CN102554623A

CN102554623A - Metal-cutting machine tool for automatically machining steel reinforcement connection sleeve

Info

Publication number: CN102554623A
Application number: CN2012100350491A
Authority: CN
Inventors: 唐衍洪
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-02-16
Filing date: 2012-02-16
Publication date: 2012-07-11
Anticipated expiration: 2032-02-16
Also published as: CN102554623B

Abstract

The invention relates to a metal-cutting machine tool for automatically machining a steel reinforcement connection sleeve, which comprises a machine frame, wherein a rotating table, a main spindle box and a hydraulic table are sequentially assembled at the upper part of the machine frame; and a hydraulic station and a cooling station are installed at the lower part of the machine frame. In the invention, independent processes of performing drilling, tapping and turning performed respectively by a corresponding independent machine in the traditional method are integrated into an automatic and continuous process, and the process from sleeve blank input to finished sleeve output is realized completely through automatic machining; therefore, work by multiple operators and multiple independent machines can be replaced, equipment, site and workers can be saved, work efficiency can be improved, and productive cost can be reduced; in the invention, the tubingless plate type integration oil cylinder technology is adopted, so that a large number of traditional externally-exposed oil tubes are saved, the structure is compact, the maintenance is convenient, an oil-way channel is short, and the oil current resistance and leakage are reduced; the metal-cutting machine provided by the invention is provided with a hydraulic control screw clutch and a rotary oil-cylinder friction plate clutch to realize rigid tapping, so that the axial force that a screw tap bears can be reduced, and the thread accuracy can be improved; in addition, a high-pressure gas and liquid atomizing cooling and chip-blowing technology is adopted.

Description

A kind of Metal Cutting Machine Tool of automatic processing reinforcing steel bar connecting sleeve tube

Technical field

The present invention relates to a kind of metal working machine tool, particularly a kind of Metal Cutting Machine Tool of automatic processing reinforcing steel bar connecting sleeve tube.

Background technology

Reinforcing bar equal strength straight thread interconnection technique begins to apply in China, and the straight thread reinforcing steel bar connecting sleeve tube is the strength member in this technology.The common method of processing branch sleeve is with special-purpose staving press blank hole to be enlarged behind the sawing machine fracture at present, with second special equipment tapping, uses the outer garden of the 3rd equipment car chamfering again.In the whole machining process process, adopt unit list operation to produce, efficient is low, labor strength is big, and operation is many, equipment improves processing cost more.

Summary of the invention

The purpose of this invention is to provide a kind of Metal Cutting Machine Tool that bores the automatic processing reinforcing steel bar connecting sleeve tube of attacking the turner preface that integrates.

For realizing above-mentioned purpose, technical scheme of the present invention is:

(1) processes the Metal Cutting Machine Tool of reinforcing steel bar connecting sleeve tube automaticallyComprise frame, motor, rotary table, main spindle box, hydraulic table, Hydraulic Station and cooling stations, along the top that is assembled in frame arranged in a straight line, Hydraulic Station and cooling stations are installed in the bottom of frame successively for rotary table, main spindle box and hydraulic table.

(2) rotary table;The shaft side of worm gear case is installed bearing sleeve, and the other end of bearing sleeve is fixedly mounted in the sleeve hole of wallboard, and worm gear case that the bottom surface is concordant and wallboard rely on bearing sleeve to link into an integrated entity, and form the stand of rotary table; Two 1# conical bearings are installed in the two ends of bearing sleeve respectively, are installed in the fastening worm gear of an end and the encoder of two gyroaxises in the 1# conical bearing, and the disc rotary disk is installed in the other end tightening of gyroaxis, and the disc rotary disk is positioned at the outside of wallboard; Worm screw is bearing in the worm gear case by a pair of 2# garden awl thrust bearing, and the stepper motor that is installed in the worm gear case left end cap drives worm screw through drive sleeve, and drive is rotated with worm gear, encoder and the disc rotary disk of worm engaging.

The centering groove of six radial openings evenly distributes along disc rotary disk periphery, and the centering bottom portion of groove is installed 90 ° of V-arrangement parallels of the bearing sleeve stock that is used to feel relieved; Be fixed on the feeding chute of wallboard one side outlet alignment disk shape rotary disk horizontal diameter termination, be in the centering groove of feed station, first sleeve stock gets into the centering groove of feed station; When turning clockwise 60 °, make first sleeve stock upwards change the boring station over to towards the disc rotary disk; When rotating 60 ° clockwise again towards the disc rotary disk, first sleeve stock just changes the tapping station of side over to; When rotating 60 ° clockwise again towards the disc rotary disk, first sleeve stock promptly changes the turning station that is positioned at another termination of disc rotary disk horizontal diameter over to; All contraposition is identical respectively with the center of circle of boring station, tapping station and turning station to be positioned at the center of circle of sleeve stock of centering bottom portion of groove 90 ° of V-arrangement parallels.

60 ° of disc rotary disk and encoder rotations synchronously, the sleeve stock that is positioned at the centering groove gets into next station, and encoder sends instruction, and hydraulic valve operating compressed oil cylinder and liftout oil cylinder are pressed the setting program action; The initial work step of rotary table is at the first road station, is to carry out on the feed station; 1# sleeve stock input is in the centering groove of the radial opening in the disc rotary disk of halted state by the feeding chute; After confirming that near switch 1# sleeve stock arrives the first road feed station; 60 ° of disc rotary disk driven by stepper motors rotations are sent 1# sleeve stock into the second road station, the i.e. station of holing, and 2# sleeve stock is slipped into the centering groove of feed station by the feeding chute simultaneously; When the station of holing near the arrival of switch affirmation 1# sleeve stock, the stop motion of disc rotary disk, the compressed oil cylinder call instruction compresses 1# sleeve stock automatically, and drill spindle starts the swivel feeding motion, and holing begins; Boring is finished, and passes to encoder near the signal of switch and sends instruction, and drill spindle falls back on the position, and compressed oil cylinder unclamps 1# sleeve stock; After confirming that near switch 2# sleeve stock gets into the first road feed station; 60 ° of disc rotary disk rotations driven by stepper motors; 1# sleeve stock is sent into the 3rd road station, is the tapping station, meanwhile 2# sleeve stock is sent into the second road station borehole; 1# sleeve stock and 2# sleeve stock put in place, and the disc rotary disk stops this motion, and two compressed oil cylinder call instructions compress two sleeve stocks automatically; Tapping spindle alignment tapping station turns clockwise, the screw tap feeding, and tapping begins; After tapping finishes, the rotation of tapping main shaft inhour, screw tap withdraws from; After travel switch confirmed that 3# sleeve stock gets into the first road feed station, the boring of 2# sleeve stock was finished, and the tapping of 1# sleeve stock is finished; Drill spindle, tapping main shaft fall back on the position; Stepper motor is driver plate shape rotary disk again, rotates 60 °, respectively with stopping behind the sleeve stock input different station; Wherein, 1# sleeve stock gets into the 4th road station, is the turning station, and the liftout oil cylinder promotes the liftout slide-bar pushes the turning main shaft with the sleeve stock from the disc rotary disk two ends and rises on the collet, gets into the 4th road turning operation operation; Car is finished, and the two ends collet that rises unclamps, and the sleeve stock withdraws from automatically,--feed station to the four roads--material returned behind the turning station from first road, and the every-station that comprises feeding, brill/reaming, tapping and turning is simultaneously all in operation;

Integrated compressed oil cylinder and liftout oil cylinder;Two compressed oil cylinders and liftout oil cylinders and their oil duct is integrated is installed on the wallboard; Be positioned at the guide pad of disc rotary disk top face and connect as one two compressed oil cylinders and be fixed on the wallboard with guide pad; Guide pad inside is provided with the rectangle hollow guide rail of two settings, and the square section briquetting that is slidingly matched with the rectangle hollow guide rail can slide therein; Two compressed oil cylinders respectively with the square section briquetting contraposition one by one of the rectangle hollow guide rail that is arranged in setting, the piston of two compressed oil cylinders withstands pairing side's section briquetting respectively; The bottom oil duct that the wallboard machined has the horizontal oil duct that is communicated with compressed oil cylinder, the perpendicular oil duct that is communicated with the liftout oil cylinder and is communicated with Hydraulic Station; When the unlatching hydraulic valve passed to oil pressure, the compressed oil cylinder side of promotion section briquetting compressed the sleeve stock of the centering groove that is arranged in brill/reaming station and tapping station downwards.

The liftout oil cylinder is installed in the liftout oil cylinder seat of wallboard sleeve hole level one side, liftout oil cylinder and total same the horizontal center line of the sleeve stock of the centering groove that is arranged in the turning station; In liftout oil cylinder rear end the high pressure gas switch is housed, chamber, a liftout oil cylinder left side separates through liftout cylinder sealing ring and high pressure gas switch, when screw tap and drill bit work, and the high pressure air to open, the high pressure air to close is finished in work; During operation, hydraulic valve is opened, the left side chamber oil-feed of liftout oil cylinder; Chamber, left side oil pressure raises, the oil return of right chamber, and top slide-bar moves right; The top sleeve stock that will be arranged in the centering groove of turning station that promote to slide ejects, and rises on the collet and the sleeve stock is clamped in the two ends that push the turning main shaft.

Gas-liquid spraying cooling and chip removal;In liftout oil cylinder rear end the high pressure gas switch is housed, chamber, a liftout oil cylinder left side separates through sealing ring and high pressure gas switch, and high pressure gas is opened when screw tap and drill bit work, and work is finished, and high pressure gas is closed; During operation; The oil pressure that chamber, a liftout oil cylinder left side raises, the pressure that overcomes spring backs down the valve stamen, and Compressed Gas gets into from the 1# pore; Through by the preceding taper hole of the valve stamen that backed down;, converge to the sleeve stock that is positioned at boring station or tapping station with cooling fluid and spray cooling through connecting the pressure port entering cooling jet of flexible pipe from the cooling jet tail end from the output of 2# pore, tapping and boring work begin; When tapping and boring end-of-job, the hydraulic valve switching-over, the left side chamber oil return of liftout oil cylinder, pressure descends, and the valve stamen moves right under spring action, gets into the valve body taper hole, closes high pressure gas, sprays cooling and stops.

Four straight line slide bars are fixed on the rest pad that is connected as a single entity with wallboard; Two portable plates are equipped with respectively the sliding bearing that is slidingly matched with four straight line slide bars, and portable plate can slide along each self-corresponding two straight line slide bar, and two cover cooling jets are installed in respectively between two sliding bearings up and down of portable plate; Extension spring connects portable plate and rest pad; Two cover cooling jets are pulled to two circular holes that diameter is 50mm on the wallboard respectively, near drill bit or screw tap, and favourable cooling and chip removal; The push rod that links to each other with drill bit or screw tap feeding promotes cooling jet along with drill bit or screw tap feeding feeding are moved to the left, and guarantees the injection cooling to drill bit or screw tap; Cooling jet, circular hole respectively with total same the horizontal center line of the sleeve stock of the centering groove that is arranged in brill/reaming station or tapping station; The flexible pipe that is connected with the high pressure gas switch of liftout oil cylinder rear end is with the inlet input cooling jet of high pressure gas from the cooling jet tail end; High pressure gas is converged with the cooling fluid that gets into from the cooling fluid of cooling jet inlet; By the shower nozzle aperture ejection of cooling jet, form sleeve stock injection cooling and chip removal that vaporific gas-liquid flow sprays to the perhaps tapping of holing.

(3) main spindle box;The main spindle box that is positioned at rotary table one side is provided with the drill spindle of level, turning main shaft and tapping main shaft, drill spindle, turning main shaft and tapping main shaft respectively separately with boring station, tapping station and turning station the center, be total same the horizontal center line of sleeve stock in the centering groove of corresponding station; Motor is through one in belt pulley transmission main shaft case; Drive triple gear through the rotary oil cylinder friction disk clutch; Power is reached the tapping main shaft; Simultaneously main spindle box one shaft gear drives two of two gear wheels of main spindle box, two pinions of main spindle box and main spindle boxes, and two pinions of main spindle box drive the turning mainshaft gear; Three gear wheels of two pinion while driving main shaft casees, three of main spindle boxes, three pinions of main spindle box, drill spindle gear and drill spindle; The drill spindle of main spindle box, tapping main shaft and turning main shaft all obtain required rotating speed and turn to like this, three station operations simultaneously.

1. drill spindle is bearing in to bore through 3# bearing, 4# bearing, 5# bearing and attacks on the sliding sleeve, and during boring, drill spindle rotates in brill is attacked a sliding sleeve, bores to attack axle and slide over to bore to attack on the supporting base and endwisely slip; The auger spindle gear is fixed on the auger spindle hollow shaft, and the auger spindle hollow shaft is bearing in the main spindle box through 6# bearing and bearing holder (housing, cover), end cap; Auger spindle gear driven auger spindle hollow shaft and power transmission shaft rotation, power transmission shaft can endwisely slip in the auger spindle hollow shaft simultaneously; Locknut with 4# bearing, 5# bearing fixing on drill spindle, and the gap of adjustment bearing, loose-proof sleeve and drill spindle key connecting, gap adjustment afterwards loose-proof sleeve holds out against, relies on screw thread to be fixed on the drill spindle locknut through the transmission circle; Power transmission shaft and transmission circle key connecting, power transmission shaft, transmission circle and drill spindle together rotate; The boring feed cylinder is attacked a sliding sleeve through power transmission shaft drive drill spindle and brill and is endwisely slipped, and at No. three taperings of power transmission shaft shaft extension stomidium Mohs drill bit is installed.

2. the same axial feed that except rotatablely moving, also needs of tapping main shaft with drill spindle, tapping main shaft shaft extension end is installed garden post handle and the square toes that the screw tap collet is clamped screw tap, and tapping is finished, the counter-rotating of tapping main shaft, screw tap withdraws from from the sleeve stock; The present invention adopts rigid tapping, and the screw tap collet is clamped the garden post handle of screw tap and located with square toes, and the amount of feeding from start to finish of tapping equates fully that with pitch this method tapping is the axial force of bearing through the minimizing screw tap, and improves accuracy of thread; When the screw tap main shaft just changes, the screw tap feeding is advanced; When the counter-rotating of tapping main shaft, screw tap withdraws from from the sleeve stock; When disc rotary disk running, when tapping main shaft wait work again can not stall, the tapping axis feeding must stop; For this reason, this machine is provided with the hydraulic control screw rod clutch of control tapping feeding and the rotary oil cylinder friction disk clutch of control tapping main shaft rotating.

The screw rod of said hydraulic control screw rod clutch is driven by the drive splines axle and does not stop rotation, and bolt and nut is rotatable by the bearing supporting, clutch movable block and bolt and nut key connecting and rotation simultaneously and stop simultaneously, and can outside bolt and nut, endwisely slip in the garden; The clutch contiguous block supports rotatable can not moving axially by bearing, screw rod and clutch contiguous block key connecting, and screw rod drives the rotation of clutch contiguous block, and the hole endwisely slips within it; When the oil return of the 4# of screw rod clutch oil cylinder oilhole, the oil-feed of 3# oilhole; Piston promotes the clutch movable block and moves left; Make the engagement of clutch movable block and clutch fixed block; Clutch movable block and bolt and nut are stopped the rotation, and screw rod is in ceaselessly rotation, and then screw rod promotes the motion of tapping axis feeding; The pitch of screw rod is consistent with the pitch of screw tap, so the amount of feeding of tapping is consistent with the pitch of screw tap; When promoting the clutch movable block, the screw rod clutch oil cylinder moves right; Make the engagement of clutch movable block and clutch contiguous block; The clutch contiguous block drives the clutch movable block and bolt and nut rotates simultaneously, and then bolt and nut and screw rod are with the speed rotation, and feed motion stops.

The drive splines axle connects with screw rod through adapter sleeve; Clutch contiguous block and screw rod key connecting; The clutch contiguous block is bearing in clutch base through 7# bearing and copper sheathing and covers; Through soket head cap screw clutch flap, clutch base, cylinder cover and screw rod clutch oil cylinder are fixed on the oil cylinder integrated package, screw rod drive the rotation of clutch contiguous block and within it the hole move; The clutch fixed block is to be fixed on clutch base to cover; Can on the clutch fixed block, rotate through two bearings supporting screw nut; Clutch movable block and bolt and nut key connecting, the clutch movable block can endwisely slip on bolt and nut, also can rotate with bolt and nut; Be connected one through screw rod oil cylinder piston and dial, be connected one through dial and pull bar, bearing cap is housed on pull bar, stationary balls drives the clutch movable block and horizontally slips; The screw rod clutch oil cylinder is to be integrated on the oil cylinder integrated package, and the 3# oilhole can lead to chamber, a piston left side, and the 4# oilhole can lead to the right chamber of piston, and when the oil-feed of 4# oilhole, piston is to moving to left; The clutch movable block is to moving to left, and clutch movable block and clutch fixed block are combined in one, and clutch movable block and bolt and nut nut are stopped the rotation; Bolt and nut does not rotate like this, the screw rod rotation, and the tapping feeding begins; When the oil-feed of 3# oilhole, piston moves right, and the clutch movable block moves right, and clutch movable block and clutch contiguous block are combined in one, and makes clutch movable block and bolt and nut rotation; Bolt and nut rotation like this, the screw rod rotation, the relative screw rod of bolt and nut is static, and the tapping feeding stops.

Said rotary oil cylinder friction disk clutch is bearing in through bearing on of main spindle box, and motor drives a rotation through belt pulley, and the rotary oil cylinder piston is an one with one, the left chamber of 1# piston packing and 2# piston packing formation rotary oil cylinder; Identical another constitutes the right chamber of rotary oil cylinder to piston packing; Outside a left side main spindle box, be equipped with and join scraper ring; Join scraper ring and adorn the logical respectively 5# oilhole of two oil pipes, 6# oilhole outward; 5# oilhole, 6# oilhole can drive the end cap nut reciprocating motion at its two ends through one endoporus left chamber and the right chamber of logical rotary oil cylinder respectively behind the logical oil of rotary oil cylinder; The interior shaft coupling sheet of friction plate and one rotation synchronously on the rotary oil cylinder left side, friction plate outreach gear piece and the left clutch gear rotates synchronously, in the left clutch gear sky is housed and is enclosed within the copper sheathing on; Transition duplex gear wheel and transition duplex pinion are bearing on the bolster through bearing, left clutch gear and the engagement of transition duplex gear wheel, transition duplex pinion and the three left gears engagement that is installed on three; The shaft coupling sheet rotates with one synchronously in the friction plate of rotary oil cylinder the right, friction plate outreach gear piece and the right clutch gear rotates synchronously; Sky is housed in the right clutch gear is enclosed within the copper sheathing on; Right clutch gear and the engagement of three middle gears; When the oil-feed of 5# oilhole; Pressure oilhole in axle gets into chamber, a rotary oil cylinder left side; Promote the right end cap nut move to right the pressing friction sheet interior shaft coupling sheet and friction plate outreach gear piece, drive the rotation of right clutch gear, thereby drive the rotation of three right gears; Driving the tapping main shaft through the tapping mainshaft gear with the engagement of three right gears just changes, and carries out tapping work; At this moment, the left clutch friction plate is in relaxed state; When the tapping end-of-job, the oil-feed of 6# oilhole, pressure gets into the right chamber of rotary oil cylinder through the axle endoporus, promote the left end cap nut move to right the pressing friction sheet interior shaft coupling sheet and friction plate outreach gear piece, drive the rotation of left clutch gear; At this moment, the right clutch friction plate is in relaxed state; Because of left friction disc gear through transition duplex gear wheel, drive three left gear reverse rotations with transition duplex pinion; Three left gear reverse rotations, then tapping main shaft counter-rotating, the screw tap counter-rotating is withdrawed from from the sleeve stock; Because of friction disk clutch is hydraulic operation and multi-disc,, adapt to frequent rotating working environment simultaneously again so can produce huge moment of torsion.

3. the turning main shaft is bearing in axletree through three bearings and puts, and axletree is sleeved in the main spindle box, and the turning main shaft is a hollow shaft, and chuck nut is contained in the shaft extension end of turning main shaft, and the termination screw is contained in piston ring and the two ends collet that rises collet and rises on the bar; One end and the pull bar that the collet compressed oil cylinder is connected pass the other end and collet behind the hollow turning main shaft bar thread connection that rises, and rely on the effect of collet compressed oil cylinder, and piston ring and the two ends collet that rises can move axially in chuck nut; Lathe tool is contained on the knife rest, and is bearing on the support plate, drives knife rest feed bar control turning feeding by the turning feed cylinder; Disc rotary disk sleeve stock is passed to the 4th road station, when being the turning station, liftout oil cylinder call instruction promotes the plunger tip slide-bar sleeve stock is ejected from the disc rotary disk; Meanwhile, the turning main shaft is in rotation, and collet compressed oil cylinder call instruction is released piston ring and the two ends collet that rises in chuck nut; The two ends collet that rises of rotation is caught the sleeve stock that from the disc rotary disk, ejects, and is with its rotation; Because of plunger tip slide-bar end is equipped with bearing, plunger tip is also with its rotation, on the sleeve stock does not rise by collet from piston ring and two ends that the disc rotary disk installs to rotation with not shutting down; The liftout oil cylinder continue to promote the plunger tip slide-bar and moves right, and the sleeve stock will be leaned the chuck nut end face, and the liftout oil cylinder withstands the collet bar that rises from the left side, and the liftout oil cylinder withstands piston ring from the right side; The two ends collet right ends that rises receives axial force and spreading closing sleeve stock like this, and the outer garden work of turning sleeve stock is able to carry out; When turnery is accomplished, collet compressed oil cylinder band plunger tip slide-bar is to moving to left, and the two ends collet resilience of rising is unclamped, and the sleeve stock is loose, and the collet compressed oil cylinder moves right the two ends collet that rises is shunk back in the chuck nut; Sleeve falls into the finished product case because of deadweight, has so just accomplished and has not shut down automatic loading and unloading work.

(4) hydraulic operation platform;The hydraulic operation platform is equipped with oil cylinder integrated package and integrated package cover plate; Boring feed cylinder, turning feed cylinder, collet compressed oil cylinder and the screw rod clutch oil cylinder is all integrated is installed on the oil cylinder integrated package is equipped with the boring hydraulicdirectional control valve of keyhole feed cylinder, the turning hydraulicdirectional control valve of control turning feed cylinder, the chuck hydraulicdirectional control valve of control spring chuck compressed oil cylinder and the screw rod hydraulicdirectional control valve of control screw rod clutch oil cylinder on the integrated package cover plate; The inner oil duct that bores of oil cylinder integrated package and integrated package cover plate substitutes traditional external oil pipe, makes said oil cylinder can both integratedly be installed on oil cylinder integrated package and the integrated package cover plate with corresponding hydraulicdirectional control valve; The oil circuit of boring feed cylinder and boring flow speed control valve polyphone form meter out keyhole feed speed through the boring flow speed control valve; Together rotate and need the drill spindle axial feed because of power transmission shaft drives drill spindle, can only axial feed and piston rod is non-rotatable, so piston rod is through preventing pivoted housing, thrust ball bearing and propeller shaft couplings; Turning feed cylinder, collet compressed oil cylinder are identical with the feed cylinder structure of holing, and the feed speed of turning feed cylinder is controlled by the another flow speed control valve.

The invention has the beneficial effects as follows:

The present invention with traditional to reinforcing steel bar connecting sleeve tube stock unit hole respectively, single operation of tapping and turning is integrated in a Metal Cutting Machine Tool of processing reinforcing steel bar connecting sleeve tube automatically, all integrate to bore the lathe of attacking the turner preface from input sleeve stock to the output of sleeve finished product all to machine automatically in the present invention; Replaced manpower and handled many unit operations respectively, ability saving equipment, place and manual work improve work efficiency, reduce production costs.

2. adopt the spraying feed flow of calming the anger to blow the bits cooling technology; High pressure gas is converged with the cooling fluid that gets into from the cooling fluid of cooling jet inlet; By the ejection of the shower nozzle aperture of cooling jet, form vaporific gas-liquid flow and spray to and hole or effect that the sleeve stock of tapping sprays cooling and chip removal is superior to traditional single cooling fluid.

3. adopt the board-like integrated cylinder technology of no oil pipe.Saved traditional oil pipe and connecting tube of exposing in a large number, compact conformation, assembling, fault diagnosis, easy to maintenance, outward appearance is neat, and asphalt channel is short, reduces oil flow resistance and leakage.

4. the present invention adopts rigid tapping, and the screw tap collet is clamped the garden post handle of screw tap and located with square toes, and the amount of feeding from start to finish of tapping equates fully that with pitch this method tapping is the axial force of bearing through the minimizing screw tap, and improves accuracy of thread.This machine is provided with hydraulic control screw rod clutch and rotary oil cylinder friction disk clutch, need wait in the rotation that does not stop that with control with when handling the operation of tapping main shaft the disc rotary disk rotate in place, just changeing that feed-disabling is finished in feeding tapping, tapping, reversing stops displacement after withdrawing from the sleeve stock.

5. adopt liftout oil cylinder, collet compressed oil cylinder, the two ends collet that rises to catch the sleeve stock that from the disc rotary disk, ejects and be with its rotation, the outer garden of guaranteeing turning main shaft automatic turning sleeve stock; Turnery is accomplished, and two ends collet (344) resilience of rising is unclamped, and the sleeve finished product falls into the finished product case because of deadweight, has accomplished the work of not shutting down automatic processing reinforcing steel bar connecting sleeve tube.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the present invention is further specified.

Fig. 1 is a structural representation of the present invention.

Fig. 2 is the structural representation of rotary table.

Fig. 3 is that sketch map cuts open in left view and the office of Fig. 2.

Fig. 4 is the structure of wall sketch map.

Fig. 5 is that sketch map cuts open in left view and the office of Fig. 4.

Fig. 6 is the structural representation (the B-B cutaway view of Fig. 2) of worm gear case.

Fig. 7 is the structural representation (the A-A cutaway view of Fig. 2) of liftout oil cylinder.

Fig. 8 is a main spindle box assembling profile sketch map.

Fig. 9 is the right view of Fig. 8.

Figure 10 is the structural representation (the C-C cutaway view of Fig. 9) of tapping main shaft and hydraulic control screw rod clutch.

Figure 11 is drill spindle and turning spindle sketch map (the D-D cutaway view of Fig. 9).

Figure 12 is the structural representation (the E-E cutaway view of Fig. 2) of drill spindle.

Figure 13 is the schematic diagram of hydraulic control screw rod clutch.

Figure 14 is the structural representation of hydraulic control screw rod clutch.

Figure 15 is the structural representation of the friction disk clutch of rotary oil cylinder manipulation.

Figure 16 is the structural representation of turning main shaft.

Figure 17 is that the turning main shaft clamps the workpiece sketch map.

Figure 18 is the turning main shaft workpiece sketch map that gets loose.

Figure 19 is the structural representation of hydraulic operation platform.

Figure 20 is that sketch map cuts open in left view and the office of Figure 19.

Figure 21 is a kinematic scheme of the present invention.

The specific embodiment

Embodiment 1:Automatically the Metal Cutting Machine Tool of processing reinforcing steel bar connecting sleeve tube is as shown in Figure 1: along the top that is assembled in frame 1 arranged in a straight line, Hydraulic Station 5 and cooling stations 6 are installed in the bottom of frame 1 successively for its rotary table 2, main spindle box 3 and hydraulic table 4.

Embodiment 2:Rotary table is shown in Fig. 2-6: the shaft side of worm gear case 211 is installed bearing sleeve 216; The other end of bearing sleeve 216 is fixedly mounted in the sleeve hole 230 of wallboard 220; The concordant worm gear case 211 in bottom surface relies on bearing sleeve 216 to link into an integrated entity with wallboard 220, forms the stand of rotary table 2; Two 1# conical bearings 215 are installed in the two ends of bearing sleeve 216 respectively; Be installed in the fastening worm gear 212 of an end and encoder 210 of two gyroaxises 214 in the 1# conical bearing 215; Disc rotary disk 203 is installed in the other end tightening of gyroaxis 214, and disc rotary disk 203 is positioned at the outside of wallboard 220; Worm screw 234 is bearing in the worm gear case 211 by a pair of 2# garden awl thrust bearing; The stepper motor 231 that is installed in worm gear case left end cap 232 drives worm screw 234 through drive sleeve 233, and drive is with worm gear 212,

encoder

210 and 203 rotations of disc rotary disk of worm screw 234 engagements.

The centering groove 228 of six radial openings evenly distributes along disc rotary disk 203 periphery, and 90 ° of V-arrangement parallels 204 of the bearing sleeve stock 202 that is used to feel relieved are installed in centering groove 228 bottoms; Sleeve stock 202 comprises solid and hollow two kinds, and the solid sleeve stock of minor diameter is holed, and large diameter cannulated sleeve stock is carried out reaming; Be fixed on the feeding chute 201 of wallboard 220 1 sides outlet alignment disk shape rotary disk 203 horizontal diameter terminations, be in the centering groove 228 of feed station 209, first sleeve stock 202 gets into the centering groove 228 of feed station 209; When turning clockwise 60 °, make first sleeve stock 202 upwards change brill/reaming station 218 over to towards disc rotary disk 203; When rotating 60 ° clockwise again towards disc rotary disk 203, first sleeve stock 202 just changes the tapping station 219 of side over to; When rotating 60 ° clockwise again towards disc rotary disk 203, first sleeve stock 202 promptly changes the turning station 229 that is positioned at disc rotary disk 203 another terminations of horizontal diameter over to; All to distinguish contraposition identical with the center of circle of brills/reaming station 218, tapping station 219 and turning station 229 to be positioned at the center of circle of sleeve stock 202 of centering groove 228 bottoms 90 ° of V-arrangement parallels 204.

60 ° of disc rotary disk 203 and encoder 210 rotations synchronously, the sleeve stock 202 that is positioned at centering groove 228 gets into next station, and encoder 210 sends instruction, and hydraulic valve operating compressed oil cylinder 207 and liftout oil cylinder 238 are pressed the setting program action; The initial work step of rotary table 2 is at the first road station, is to carry out on the feed station 209; 1# sleeve stock 202 is imported the centering groove 228 of the radial opening in the disc rotary disk 203 that is in halted state by feeding chute 201; After confirming that near switch 1# sleeve stock arrives the first road feed station 209; The disc rotary disk 203 that is driven by stepper motor 231 rotates 60 °; 1# sleeve stock 202 is sent into the second road station, the i.e. station of holing, and 2# sleeve stock 202 is slipped into the centering groove 228 of feed station 209 by feeding chute 201 simultaneously; When the stations of holing near 202 arrival of switch affirmation 1# sleeve stock, 203 stop motions of disc rotary disk, compressed oil cylinder 207 call instructions compress 1# sleeve stock 202 automatically, and drill spindle 32 starts the swivel feedings motion, and holing begins; Boring is finished, and passes to encoder 210 near the signal of switch and sends instruction, and drill spindle 32 falls back on the position, and compressed oil cylinder 207 unclamps 1# sleeve stock 202; After confirming that near switch 2# sleeve stock 202 gets into the first road feed station 209; The disc rotary disk 203 that is driven by stepper motor 231 rotates 60 °; 1# sleeve stock 202 is sent into the 3rd road station, is the tapping station, meanwhile 2# sleeve stock 202 is sent into the second road station borehole; 1# sleeve stock 202 and 2# sleeve stock 202 put in place, and disc rotary disk 203 stops this motion, and two compressed oil cylinders, 207 call instructions compress two sleeve stocks 202 automatically; Tapping main shaft 36 is aimed at the tapping station and is turned clockwise, the screw tap feeding, and tapping begins; After tapping finishes, the 36 inhour rotations of tapping main shaft, screw tap withdraws from; After travel switch confirms that 3# sleeve stock gets into the first road feed station 209; 202 borings of 2# sleeve stock are finished; 202 tapping of 1# sleeve stock are finished, and drill spindle 32, tapping main shaft 36 fall back on the position, and stepper motor 231 is driver plate shape rotary disk 203 again; Rotate 60 °, respectively with stopping behind the sleeve stock 202 input different stations; Wherein, 1# sleeve stock 202 gets into the 4th road station, is the turning station; Liftout oil cylinder 238 promotes the liftout slide-bars push turning main shaft 34 with sleeve stock 202 from disc rotary disk 203 two ends and rises on the collet 344, gets into the 4th road turning operation operation; Car is finished, and the two ends collet 344 that rises unclamps, and sleeve stock 202 withdraws from automatically,--feed station 209 to the 4th roads--material returned behind the turning station 229 from first road, and the every-station that comprises feeding, brill/reaming, tapping and turning is simultaneously all in operation.

Embodiment 3: integrated compressed oil cylinder and liftout oil cylinder are shown in Fig. 2-7 Two compressed oil cylinders 207 are with liftout oil cylinders 238 and their oil duct is integrated is installed on the wallboard 220; Be positioned at the guide pad 205 of disc rotary disk 203 top face and connect as one two compressed oil cylinders 207 and be fixed on the wallboard 220 with guide pad 205; Guide pad 205 inside are provided with the rectangle hollow guide rail 227 of two settings, and the square section briquetting 206 that is slidingly matched with rectangle hollow guide rail 227 can slide therein; Two compressed oil cylinders 207 respectively with square section briquetting 206 contraposition one by one of the rectangle hollow guide rail 227 that is arranged in setting, the piston 208 of two compressed oil cylinders 207 withstands pairing side's section briquetting 206 respectively; The 2# oil duct b that wallboard 220 machined have the 1# oil duct a that is communicated with compressed oil cylinder 207, the perpendicular oil duct 236 that is communicated with liftout oil cylinder 238 and are communicated with Hydraulic Station 5; When the unlatching hydraulic valve passed to oil pressure, compressed oil cylinder 207 promotion side's section briquettings 206 compressed the sleeve stock 202 of the centering groove 228 that is arranged in brill/reaming station 218 and tapping station 219 downwards.

Liftout oil cylinder 238 is installed in the liftout oil cylinder seat 237 of wallboard sleeve hole 230 levels one side, and liftout oil cylinder 238 has same horizontal center lines with the sleeve stock 202 of the centering groove 228 that is arranged in turning station 229; In liftout oil cylinder 238 rear ends the high pressure gas switch is housed, liftout oil cylinder 238 left chambeies separate through liftout cylinder sealing ring 241 and high pressure gas switch, when screw tap and drill bit work, and the high pressure air to open, the high pressure air to close is finished in work; During operation; Hydraulic valve is opened, the 238 left chamber oil-feeds of liftout oil cylinder, and left chamber oil pressure raises; Right chamber oil return; Top slide-bar 239 moves right, promote to slide top 240 will be arranged in the centering groove 228 of turning station 229 sleeve stock 202 eject, rise on the collet 344 and sleeve stock 202 clamped in the two ends that push the turning main shaft.

Embodiment 4: gas-liquid spraying cooling and chip removal are shown in Fig. 3-7 In liftout oil cylinder 238 rear ends the high pressure gas switch is housed, liftout oil cylinder 238 left chambeies separate through sealing ring 241 and high pressure gas switch, and high pressure gas is opened when screw tap and drill bit work, and work is finished, and high pressure gas is closed; During operation; The oil pressure that chamber, a liftout oil cylinder left side raises, the pressure that overcomes bullet 242 backs down valve stamen 243, and Compressed Gas gets into from 1# pore c; Through by the preceding taper hole of the valve stamen 243 that backed down;, converge to the sleeve stock that is positioned at brill/reaming station 218 or tapping station 219 202 with cooling fluid and spray cooling through connecting the pressure port entering cooling jet 221 of flexible pipe from cooling jet 221 tail ends from pore 2# pore d output, tapping and boring work begin; When tapping and boring end-of-job, the hydraulic valve switching-over, the left side chamber oil return of liftout oil cylinder, pressure descends, and valve stamen 243 moves right under spring 242 effects, gets into the valve body taper hole, closes high pressure gas, sprays cooling and stops.

Four straight line slide bars 224 are fixed on the rest pad 225 that is connected as a single entity with wallboard 220; Two portable plates 222 are equipped with respectively the sliding bearing 223 that is slidingly matched with four straight line slide bars 224; Portable plate 222 can slide along each self-corresponding two straight line slide bar 224; Two cover cooling jets 221 are installed in respectively between two sliding bearings 223 up and down of portable plate 222, and extension spring 226 connects portable plates 222 and rest pad 225, two cover cooling jets 221 circular hole 235 that to be pulled to two diameters on the wallboard 220 respectively be 50mm; Near drill bit or screw tap, favourable cooling and chip removal; The push rod that links to each other with drill bit or screw tap feeding promotes cooling jet along with drill bit or screw tap feeding feeding are moved to the left, and guarantees the injection cooling to drill bit or screw tap; Cooling jet 221, circular hole 235 respectively with sleeve stock 202 total same horizontal center lines of the centering groove 228 that is arranged in brill/reaming station 218 or tapping station 219; The flexible pipe that is connected with the high pressure gas switch of liftout oil cylinder rear end is with the inlet input cooling jet of high pressure gas from the cooling jet tail end; High pressure gas is converged with the cooling fluid that gets into from the cooling fluid of cooling jet inlet; By the shower nozzle aperture ejection of cooling jet, form sleeve stock 202 injection cooling and the chip removals that vaporific gas-liquid flow sprays to the perhaps tapping of holing.

Embodiment 5: main spindle box is shown in Fig. 8-18 The main spindle box 3 that is positioned at rotary table 2 one sides is provided with the drill spindle 32 of level, turning main shaft 34 and tapping main shaft 36, drill spindle 32, turning main shaft 34 and tapping main shaft 36 respectively separately with brill/reaming station 218, tapping station 219 and turning station 229 the center, be sleeve stock 202 total same the horizontal center lines in the centering groove 228 of corresponding station; Motor is through one 302 in belt pulley 31 transmission main shaft casees; Drive triple gear through rotary oil cylinder friction disk clutch 307; Power is reached tapping main shaft 36; Simultaneously main spindle box one shaft gear 301 drives two 304 of two gear wheels 305 of main spindle boxes, two pinions 303 of main spindle box and main spindle boxes, and two pinions of main spindle box 303 drive turning mainshaft gears 310; Three gear wheels 309 of two pinion 303 while driving main shaft casees, three 311 of main spindle boxes, three pinions 312 of main spindle box, drill spindle gear 330 and drill spindle 32; The drill spindle 32 of main spindle box, tapping main shaft 36 and turning main shaft 34 all obtain required rotating speed and turn to like this, three station operations simultaneously.

1. drill spindle 32 is bearing in to bore through 3# bearing 321,4# bearing 324,5# bearing 325 and attacks on the sliding sleeve 322, and during boring, drill spindle 32 rotates brill is attacked a sliding sleeve 322 in, and brill is attacked a sliding sleeve 322 and attacked on the supporting base 323 at brill and endwisely slip; Auger spindle gear 330 is fixed on the auger spindle hollow shaft 334, and auger spindle hollow shaft 334 is bearing in the main spindle box 3 through 6# bearing 333 and bearing holder (housing, cover) 331, end cap 332; Auger spindle gear 330 drives auger spindle hollow shaft 334 and power transmission shaft 329 rotations, and power transmission shaft 329 can endwisely slip in auger spindle hollow shaft 334 simultaneously; Locknut 326 is fixed on 4# bearing 324,5# bearing 325 on the drill spindle 32; And the gap of adjustment bearing; Loose-proof sleeve 327 and drill spindle 32 key connecting, adjustment back, gap loose-proof sleeve 327 holds out against, relies on screw thread to be fixed on the drill spindle 32 locknut 326 through transmission circle 328; Power transmission shaft 329 and transmission circle 328 key connecting, power transmission shaft 329, transmission circle 328 together rotate with drill spindle 32; Boring feed cylinder 401 is attacked a sliding sleeve 322 through power transmission shaft 329 drive drill spindles 32 with brill and is endwisely slipped, and at No. three taperings of power transmission shaft 329 shaft extension stomidium Mohs drill bit is installed.

2. tapping main shaft 36 and the drill spindle 32 the same axial feeds that except rotatablely moving, also need; Tapping main shaft 36 shaft extension ends are installed garden post handle and the square toes that screw tap collet 344 is clamped screw tap; Tapping is finished, 36 counter-rotatings of tapping main shaft, and screw tap withdraws from from sleeve stock 202; The present invention adopts rigid tapping, and the screw tap collet is clamped the garden post handle of screw tap and located with square toes, and the amount of feeding from start to finish of tapping equates fully that with pitch this method tapping is the axial force of bearing through the minimizing screw tap, and improves accuracy of thread; When screw tap main shaft 36 is just changeing, the screw tap feeding is advanced; When 36 counter-rotatings of tapping main shaft, screw tap withdraws from from sleeve stock 202; When disc rotary disk running, when the 36 wait work of tapping main shaft again can not stall, 36 feedings of tapping main shaft must stop; For this reason, this machine is provided with the hydraulic control screw rod clutch 306 of control tapping feeding and the rotary oil cylinder friction disk clutch 307 of control tapping main shaft (36) rotating.

3. turning main shaft (34) is bearing on the axletree cover 342 through three bearings; Axletree cover 342 is contained in the main spindle box 3; Turning main shaft 34 is a hollow shaft; Chuck nut 349 is contained in the shaft extension end of turning main shaft 34, and the termination screw is contained in piston ring 343 and the two ends collet 344 that rises collet and rises on the bar 347; The pull bar 348 that one end is connected with collet compressed oil cylinder 403; Pass the other end and collet behind the hollow turning main shaft 34 bar 347 thread connection that rise; Rely on 403 effects of collet compressed oil cylinder, piston ring 343 and the two ends collet 344 that rises can move axially in chuck nut 349; Lathe tool 345 is contained on the knife rest 346, and is bearing on the support plate, drives the 341 control turning feedings of knife rest feed bar by turning feed cylinder 402; Disc rotary disk 203 sleeve stocks 202 are passed to the 4th road station, when being turning station 229, liftout oil cylinder 238 call instructions promote plunger tip slide-bar 239 sleeve stock 202 are ejected from disc rotary disk 203; Meanwhile, turning main shaft 34 is in rotation, and collet compressed oil cylinder 403 call instructions rise by collet 344 from chuck nut 349 interior releases with piston ring 343 and two ends; The two ends collet 344 that rises of rotation is caught the sleeve stock 202 that from disc rotary disk 203, ejects, and is with its rotation; Because of plunger tip slide-bar 239 ends are equipped with bearing, plunger tip 240 is also with its rotation, on sleeve stock 202 does not rise by collet 344 from piston ring 343 and two ends that disc rotary disk 203 installs to rotation with not shutting down; Liftout oil cylinder 238 continues to promote plunger tip slide-bars 239 and moves right, and sleeve stock 202 will be leaned chuck nut 349 end faces, and liftout oil cylinder 238 withstands the collet bar 347 that rises from the left side, and liftout oil cylinder 238 withstands piston ring 343 from the right side; Two ends collet 344 right ends that rise receive axial force and spreading closing sleeve stock 202 like this, and the outer garden work of turning sleeve stock 202 is able to carry out; When turnery is accomplished; Collet compressed oil cylinder 403 band plunger tip slide-bars 239 are to moving to left; Two ends collet 344 resiliences of rising are unclamped, and sleeve stock 202 is loose, and collet compressed oil cylinder 403 moves right the two ends collet 344 that rises is shunk back in the chuck nut 349; Sleeve 202 falls into the finished product case because of deadweight, has so just accomplished and has not shut down automatic loading and unloading work.

Embodiment 6: hydraulic control screw rod clutch is shown in Figure 10-14 The screw rod 366 of hydraulic control screw rod clutch 306 is driven by the drive splines axle and does not stop rotation; Bolt and nut 364 is rotatable by the bearing supporting; Clutch movable block 362 rotates simultaneously with bolt and nut 364 key connecting and stops simultaneously, and can outside bolt and nut 364, endwisely slip in the garden; Clutch contiguous block 365 is by rotatable can not the moving axially of bearing supporting, and screw rod 366 and clutch contiguous block 365 key connecting, screw rod 366 drive 365 rotations of clutch contiguous block, and the hole endwisely slips within it; When the 4# of screw rod clutch oil cylinder 363 oilhole f oil return, 3# oilhole e oil-feed; Piston 377 promotes clutch movable block 362 and moves left; Make clutch movable block 362 and 361 engagements of clutch fixed block; Clutch movable block 362 and bolt and nut 364 are stopped the rotation, and screw rod is in ceaselessly rotation, and then screw rod 366 promotes the motion of tapping axis feeding; The pitch of screw rod is consistent with the pitch of screw tap, so the amount of feeding of tapping is consistent with the pitch of screw tap; When promoting clutch movable block 362, screw rod clutch oil cylinder 363 moves right; Make clutch movable block 362 and 365 engagements of clutch contiguous block; Clutch contiguous block 365 drives clutch movable block 362 and rotates simultaneously with bolt and nut 364; Then bolt and nut 364 rotates with speed with screw rod 366, and feed motion stops.

Drive splines axle 367 connects with screw rod 366 through adapter sleeve 368; Clutch contiguous block 365 and screw rod 366 key connecting; Clutch contiguous block 365 is bearing on the clutch flap 376 through 7# bearing 375 and copper sheathing 371; Through soket head cap screw clutch flap 376, clutch base 372, cylinder cover 374 and screw rod clutch oil cylinder 363 are fixed on the oil cylinder integrated package 409, screw rod 366 drive 365 rotations of clutch contiguous blocks and within it the hole move; Clutch fixed block 361 is to be fixed on the clutch flap 376; Can on clutch fixed block 361, rotate through two bearings supporting screw nut 364; Clutch movable block 362 and bolt and nut 364 key connecting; Clutch movable block 362 can endwisely slip on bolt and nut 364, also can be with bolt and nut 364 rotations; Be connected one through screw rod oil cylinder piston 377 and dial 373, be connected one through dial 373 and pull bar 369, bearing cap 370 is housed on pull bar 369, stationary balls drives clutch movable block 362 and horizontally slips; Screw rod clutch oil cylinder 363 is to be integrated on the oil cylinder integrated package 409, and 3# oilhole e can lead to piston 377 left chambeies, and oilhole 4# oilhole f can lead to piston 377 right chambeies, and when 4# oilhole f oil-feed, piston 377 is to moving to left; Clutch movable block 362 is to moving to left, and clutch movable block 362 is combined in one with clutch fixed block 361, and clutch movable block 362 and bolt and nut nut 364 are stopped the rotation; Bolt and nut 364 does not rotate like this, screw rod 366 rotations, and the tapping feeding begins; When 3# oilhole e oil-feed, piston 377 moves right, and clutch movable block 362 moves right, and clutch movable block 362 is combined in one with clutch contiguous block 365, and makes clutch movable block 362 and bolt and nut 364 rotations; Bolt and nut 364 rotations like this, screw rod 366 rotations, bolt and nut 364 relative screw rods 366 are static, and the tapping feeding stops.

Embodiment 7: the rotary oil cylinder friction disk clutch is shown in figure 15 Rotary oil cylinder friction disk clutch 307 is bearing in through bearing on one 302 of main spindle box; Motor drives one 302 rotation through belt pulley 31; Rotary oil cylinder piston and one 302 are one, and 1# piston packing 394 and 2# piston packing 395 constitute the left chamber of rotary oil cylinders 393; Identical another constitutes the right chamber of rotary oil cylinder 393 to piston packing; Outside one 302 left side main spindle box, be equipped with and join scraper ring 381; Join the scraper ring 381 outer logical respectively 5# oilhole g of two oil pipes, the 6# oilhole h of adorning; 5# oilhole g, 6# oilhole h can drive end cap nut 388 reciprocating motions at its two ends through one 302 endoporus left chamber and the right chamber of logical rotary oil cylinder 393 respectively behind the rotary oil cylinder 393 logical oil; In interior shaft coupling sheet 386 and one 302 rotation synchronously of rotary oil cylinder 393 left side friction plates, the gear piece 387 that outreaches of friction plate rotates with left clutch gear 384 synchronously, sky is housed in the left clutch gear 384 is enclosed within the copper sheathing 389 on one 302; Transition duplex gear wheel 382 and transition duplex pinion 383 are bearing on the bolster 396 through bearing, left clutch gear 384 and 382 engagements of transition duplex gear wheel, transition duplex pinion 383 and three left gears, 385 engagements that are installed on three 304; Shaft coupling sheet 386 and one 302 rotation synchronously in rotary oil cylinder 393 the right friction plates, the gear piece 387 that outreaches of friction plate rotates with right clutch gear 390 synchronously; Sky is housed in the right clutch gear 390 is enclosed within the copper sheathing 389 on one 302; Right clutch gear 390 and 392 engagements of three middle gears; When 5# oilhole g oil-feed; Pressure oilhole in axle gets into rotary oil cylinder 393 left chambeies; Promote right end cap nut 388 move to right the pressing friction sheet interior shaft coupling sheet 386 and friction plate outreach gear piece 387, drive 390 rotations of right clutch gear, thereby drive 391 rotations of three right gears; Driving tapping main shaft 36 through the tapping mainshaft gear 308 with 391 engagements of three right gears is just changeing, and carries out tapping work; At this moment, the left clutch friction plate is in relaxed state; When the tapping end-of-job, 6# oilhole h oil-feed, pressure gets into rotary oil cylinder 393 right chambeies through the axle endoporus, promote left end cap nut 388 move to right the pressing friction sheet interior shaft coupling sheet 386 and friction plate outreach gear piece 387, drive 384 rotations of left clutch gear; At this moment, the right clutch friction plate is in relaxed state; Because of left friction disc gear 384 through transition duplex gear wheel 382, drive three left gears, 385 reverse rotations with 383 engagements of transition duplex pinion; 385 reverse rotations of three left gears, then tapping main shaft 36 counter-rotatings, the screw tap counter-rotating is withdrawed from from sleeve stock 202; Because of friction disk clutch is hydraulic operation and multi-disc,, adapt to frequent rotating working environment simultaneously again so can produce huge moment of torsion.

Embodiment 8: the hydraulic operation platform is shown in Figure 19-20 Hydraulic operation platform 4 is equipped with oil cylinder integrated package 409 and integrated package cover plate 410; Boring feed cylinder 401, turning feed cylinder 402, collet compressed oil cylinder 403 and screw rod clutch oil cylinder 363 is all integrated is installed on the oil cylinder integrated package 409 is equipped with the boring hydraulicdirectional control valve 404 of keyhole feed cylinder 401, the turning hydraulicdirectional control valve 405 of control turning feed cylinder 402, the chuck hydraulicdirectional control valve 406 of control spring chuck compressed oil cylinder 403 and the screw rod hydraulicdirectional control valve 407 of control screw rod clutch oil cylinder 363 on integrated package cover plate 408; Oil cylinder integrated package 409 and the integrated package cover plate 410 inner oil ducts that bore substitute traditional external oil pipe, make said oil cylinder and corresponding hydraulicdirectional control valve can both integratedly be installed on oil cylinder integrated package 409 and the integrated package cover plate 410; The oil circuit of boring feed cylinder 401 and boring flow speed control valve 412 polyphones form meter out keyhole feed speed through boring flow speed control valve 412; Together rotate and need drill spindle 32 axial feeds again because of power transmission shaft 411 drives drill spindles 32, can only axial feed and piston rod 413 is non-rotatable, so piston rod 413 passes through to prevent that pivoted housing 414, thrust ball bearing connect with power transmission shaft 411; Turning feed cylinder 402, collet compressed oil cylinder 403 are identical with feed cylinder 401 structures of holing, and the feed speed of turning feed cylinder 402 is controlled by the another flow speed control valve.

Embodiment 9:Kinematic scheme of the present invention is shown in figure 21, among the figure:

219-tapping station; 36-tapping main shaft; 308-tapping mainshaft gear; The 366-screw rod; 361-clutch fixed block; 362-clutch movable block; 363-screw rod clutch oil cylinder;

The 364-bolt and nut; 365-clutch contiguous block;

The 218-station of holing; The 322-drill spindle sliding sleeve that stretches; The 32-drill spindle; 330-drill spindle gear; The 401-feed cylinder of holing;

Three of 311-; Three gear wheels of 309-; Three pinions of 312-;

Two of 304-; Two pinions of 303-; Two gear wheels of 305-; 392-three middle gears;

One of 302-; 301-one shaft gear; 384-left clutch gear; The 393-rotary oil cylinder;

386-shaft coupling sheet friction plate; 390-right clutch gear; The 31-belt pulley;

The 346-knife rest; 229-turning station; 310-turning mainshaft gear; 403-chuck oil cylinder; 402-turning feed cylinder;

238-liftout oil cylinder; 240-is top; 202-sleeve stock; The 344-collet that rises at two ends;

1-frame; The 231-stepper motor; The 234-worm screw; The 212-worm gear; The 214-gyroaxis;

203-disc rotary disk; The 207-compressed oil cylinder.

Claims

1. a Metal Cutting Machine Tool of processing reinforcing steel bar connecting sleeve tube automatically comprises frame, motor, it is characterized in that:

[1] processes the Metal Cutting Machine Tool of reinforcing steel bar connecting sleeve tube automaticallyRotary table (2), main spindle box (3) and hydraulic table (4) successively along the top that is assembled in frame (1) arranged in a straight line, Hydraulic Station (5) and cooling stations (6) are installed in the bottom of frame (1);

[2] rotary table;The shaft side of worm gear case (211) is installed bearing sleeve (216); The other end of bearing sleeve (216) is fixedly mounted in the sleeve hole (230) of wallboard (220); Worm gear case (211) that the bottom surface is concordant and wallboard (220) rely on bearing sleeve (216) to link into an integrated entity, and form the stand of rotary table (2); Two 1# conical bearings (215) are installed in the two ends of bearing sleeve (216) respectively; Be installed in the fastening worm gear of an end (212) and the encoder (210) of the gyroaxis (214) in two 1# conical bearings (215); Disc rotary disk (203) is installed in the other end tightening of gyroaxis (214), and disc rotary disk (203) is positioned at the outside of wallboard (220); Worm screw (234) is bearing in the worm gear case (211) by a pair of 2# garden awl thrust bearing; The stepper motor (231) that is installed in worm gear case left end cap (232) drives worm screw (234) through drive sleeve (233), and drive is with worm gear (212), encoder (210) and disc rotary disk (203) rotation of worm screw (234) engagement;

The centering groove (228) of six radial openings evenly distributes along disc rotary disk (203) periphery, and 90 ° of V-arrangement parallels (204) of the bearing sleeve stock (202) that is used to feel relieved are installed in centering groove (228) bottom; Be fixed on the feeding chute (201) of wallboard (220) one sides outlet alignment disk shape rotary disk (203) horizontal diameter termination, be in the centering groove (228) of feed station (209), first sleeve stock (202) gets into the centering groove (228) of feed station (209); When turning clockwise 60 °, make first sleeve stock (202) upwards change boring station (218) over to towards disc rotary disk (203); When rotating 60 ° clockwise again towards disc rotary disk (203), first sleeve stock (202) just changes the tapping station (219) of side over to; When rotating 60 ° clockwise again towards disc rotary disk (203), first sleeve stock (202) promptly changes the turning station (229) that is positioned at disc rotary disk (203) another termination of horizontal diameter over to; The center of circle of sleeve stock (202) that is positioned at centering groove (228) the 90 ° of V-arrangement parallels in bottom (204) is all identical with the center of circle difference contraposition of boring station (218), tapping station (219) and turning station (229);

Disc rotary disk (203) and encoder (210) rotate 60 ° synchronously; The sleeve stock (202) that is positioned at centering groove (228) gets into next station; Encoder (210) sends instruction, and hydraulic valve operating compressed oil cylinder (207) and liftout oil cylinder (238) are pressed the setting program action; The initial work step of rotary table (2) is at the first road station, is to carry out on the feed station (209); 1# sleeve stock (202) input is in the centering groove (228) of the radial opening in the disc rotary disk (203) of halted state by feeding chute (201); After confirming that near switch 1# sleeve stock arrives the first road feed station (209); The disc rotary disk (203) that is driven by stepper motor (231) rotates 60 °; 1# sleeve stock (202) is sent into the second road station, the i.e. station (218) of holing, and 2# sleeve stock (202) is slipped into the centering groove (228) of feed station (209) by feeding chute (201) simultaneously; When confirming that near switch 1# sleeve stock (202) arrives boring station (218); Disc rotary disk (203) stop motion; Compressed oil cylinder (207) call instruction compresses 1# sleeve stock (202) automatically, and drill spindle (32) starts the swivel feeding motion, the boring beginning; Boring is finished, and passes to encoder (210) near the signal of switch and sends instruction, and drill spindle (32) falls back on the position, and compressed oil cylinder (207) unclamps 1# sleeve stock (202); After confirming that near switch 2# sleeve stock (202) gets into the first road feed station (209); The disc rotary disk (203) that is driven by stepper motor (231) rotates 60 °; 1# sleeve stock (202) is sent into the 3rd road station, is the tapping station, meanwhile 2# sleeve stock (202) is sent into the second road station borehole (218); 1# sleeve stock (202) and 2# sleeve stock (202) put in place, and disc rotary disk (203) stops this motion, and two compressed oil cylinders (207) call instruction compresses two sleeve stocks (202) automatically; Tapping main shaft (36) is aimed at the tapping station and is turned clockwise, the screw tap feeding, and tapping begins; After tapping finishes, the rotation of tapping main shaft (36) inhour, screw tap withdraws from; After travel switch confirms that 3# sleeve stock gets into the first road feed station (209); 2# sleeve stock (202) boring is finished; 1# sleeve stock (202) tapping is finished, and drill spindle (32), tapping main shaft (36) fall back on the position, and stepper motor (231) is driver plate shape rotary disk (203) again; Rotate 60 °, respectively with stopping behind sleeve stock (202) the input different station; Wherein, 1# sleeve stock (202) gets into the 4th road station, is turning station (229); Liftout oil cylinder (238) promotes the liftout slide-bar pushes turning main shaft (34) with sleeve stock (202) from disc rotary disk (203) two ends and rises on the collet (344), gets into the 4th road turning operation (229) operation; Car is finished; The two ends collet (344) that rises unclamps; Sleeve stock (202) withdraws from automatically,--feed station (209) is to the 4th road--material returned behind the turning station (229) from first road, and the every-station that comprises feeding, boring, tapping and turning is simultaneously all in operation;

Integrated compressed oil cylinder and liftout oil cylinder; Two compressed oil cylinders (207) and liftout oil cylinder (238) and their oil duct and the hydraulic valve that is complementary all need not external oil pipes; Integrated being installed on the wallboard (220); Be positioned at the guide pad (205) of disc rotary disk (203) top face and connect as one two compressed oil cylinders (207) and be fixed on the wallboard (220) with guide pad (205); Guide pad (205) inside is provided with the rectangle hollow guide rail (227) of two settings, and the square section briquetting (206) that is slidingly matched with rectangle hollow guide rail (227) can slide therein; Two compressed oil cylinders (207) respectively with square section briquetting (206) contraposition one by one of the rectangle hollow guide rail (227) that is arranged in setting, the piston (208) of two compressed oil cylinders (207) withstands pairing side's section briquetting (206) respectively; The 2# oil duct (b) that wallboard (220) machined has the 1# oil duct (a) that is communicated with compressed oil cylinder (207), the perpendicular oil duct (236) that is communicated with liftout oil cylinder (238) and is communicated with Hydraulic Station (5); When opening hydraulic valve and passing to oil pressure, compressed oil cylinder (207) side's of promotioning section briquetting (206) compresses downwards and is arranged in the boring station (218) and the perhaps sleeve stock (202) of the centering groove (228) of tapping station (219);

Liftout oil cylinder (238) is installed in the liftout oil cylinder seat (237) of wallboard sleeve hole (230) level one side, liftout oil cylinder (238) and total same the horizontal center line of the sleeve stock (202) of the centering groove (228) that is arranged in turning station (229); In liftout oil cylinder (238) rear end the high pressure gas switch is housed, the left chamber of liftout oil cylinder (238) separates through liftout cylinder sealing ring (241) and high pressure gas switch, when screw tap and drill bit work, and the high pressure air to open, the high pressure air to close is finished in work; During operation; Hydraulic valve is opened, liftout oil cylinder (238) left chamber oil-feed, and left chamber oil pressure raises; Right chamber oil return; Top slide-bar (239) moves right, and the sleeve stock (202) that promote to slide top (240) will be arranged in the centering groove (228) of turning station (229) ejects, and the two ends that push the turning main shaft collet (344) that rises is gone up and sleeve stock (202) is clamped;

Gas-liquid spraying cooling and chip removal; In liftout oil cylinder (238) rear end the high pressure gas switch is housed, the left chamber of liftout oil cylinder (238) separates through sealing ring (241) and high pressure gas switch, and high pressure gas is opened when screw tap and drill bit work, and work is finished, and high pressure gas is closed; During operation; The oil pressure that chamber, a liftout oil cylinder left side raises; The pressure that overcomes spring (242) backs down valve stamen (243); Compressed Gas gets into from 1# pore (c), through the preceding taper hole of the valve stamen (243) that backed down, gets into cooling jet (221) through connecting flexible pipe from the pressure port of cooling jet (221) tail end from 2# pore (d) output; Converge to sleeve stock (202) the injection cooling that is positioned at boring station (218) or tapping station (219) with cooling fluid, tapping and boring work begin; When tapping and boring end-of-job, the hydraulic valve switching-over, the left side chamber oil return of liftout oil cylinder, pressure descends, and valve stamen (243) moves right under spring (242) effect, gets into the valve body taper hole, closes high pressure gas, sprays cooling and stops;

Four straight line slide bars (224) are fixed on the rest pad (225) that is connected as a single entity with wallboard (220); Four jiaos of two portable plates (222) are equipped with respectively the sliding bearing (223) that is slidingly matched with four straight line slide bars (224); Portable plate (222) can slide along each self-corresponding two straight line slide bar (224); Two cover cooling jets (221) are installed in up and down between two sliding bearings (223) of portable plate (222) respectively; Extension spring (226) connects portable plate (222) and rest pad (225); The circular hole (235) that it is 50mm that two cover cooling jets (221) are pulled to two diameters on the wallboard (220) respectively, near drill bit or screw tap, favourable cooling and chip removal; The push rod that links to each other with drill bit or screw tap feeding promotes cooling jet along with drill bit or screw tap feeding feeding are moved to the left, and guarantees the injection cooling to drill bit or screw tap; Cooling jet (221), circular hole (235) respectively with total same the horizontal center line of the sleeve stock (202) of the centering groove (228) that is arranged in boring station (218) or tapping station (219); The flexible pipe that is connected with the high pressure gas switch of liftout oil cylinder rear end is with the inlet input cooling jet of high pressure gas from the cooling jet tail end; High pressure gas is converged with the cooling fluid that gets into from the cooling fluid of cooling jet inlet; By the shower nozzle aperture ejection of cooling jet, form sleeve stock (202) injection cooling and chip removal that vaporific gas-liquid flow sprays to the perhaps tapping of holing;

[3] main spindle box;The main spindle box (3) that is positioned at rotary table (2) one sides is provided with the drill spindle (32) of level, turning main shaft (34) and tapping main shaft (36), drill spindle (32), turning main shaft (34) and tapping main shaft (36) respectively separately with boring station (218), tapping station (219) and turning station (229) the center, be that sleeve stock (202) in the centering groove (228) of corresponding station has same horizontal center line; Motor is through one in transmission main shaft case of belt pulley (31) (302); Drive triple gear through rotary oil cylinder friction disk clutch (307); Power is reached tapping main shaft (36); Main spindle box one shaft gear (301) drives two gear wheels of main spindle box (305), two pinions of main spindle box (303) and two of main spindle boxes (304) simultaneously, and two pinions of main spindle box (303) drive turning mainshaft gear (310); Two pinions (303) are driving main shaft three gear wheels of case (309), main spindle box three (311), three pinions of main spindle box (312), drill spindle gear (330) and drill spindles (32) simultaneously; The drill spindle of main spindle box (32), tapping main shaft (36) and turning main shaft (34) all obtain required rotating speed and turn to like this, three station operations simultaneously;

1. drill spindle (32) is bearing in to bore through 3# bearing (321), 4# bearing (324), 5# bearing (325) and attacks on the sliding sleeve (322); During boring; Drill spindle (32) rotates in brill is attacked a sliding sleeve (322), bores to attack a sliding sleeve (322) and attack on the supporting base (323) at brill and endwisely slip; Auger spindle gear (330) is fixed on the auger spindle hollow shaft (334), and auger spindle hollow shaft (334) is bearing in the main spindle box (3) through 6# bearing (333) and bearing holder (housing, cover) (331), end cap (332); Auger spindle gear (330) drives auger spindle hollow shaft (334) and power transmission shaft (329) rotation, and power transmission shaft (329) can endwisely slip in auger spindle hollow shaft (334) simultaneously; Locknut (326) is fixed on 4# bearing (324), 5# bearing (325) on the drill spindle (32); And the gap of adjustment bearing; Loose-proof sleeve (327) and drill spindle (32) key connecting, gap adjustment back loose-proof sleeve (327) holds out against, relies on screw thread to be fixed on the drill spindle (32) locknut (326) through transmission circle (328); Power transmission shaft (329) and transmission circle (328) key connecting, power transmission shaft (329), transmission circle (328) together rotate with drill spindle (32); Boring feed cylinder (401) is attacked a sliding sleeve (322) through power transmission shaft (329) drive drill spindle (32) and brill and is endwisely slipped, and at No. three taperings of power transmission shaft (329) shaft extension stomidium Mohs drill bit is installed;

2. the same axial feed that except rotatablely moving, also needs of tapping main shaft (36) with drill spindle (32); Tapping main shaft (36) shaft extension end is installed garden post handle and the square toes that screw tap collet (344) is clamped screw tap; Tapping is finished; Tapping main shaft (36) counter-rotating, screw tap withdraws from from sleeve stock (202); The present invention adopts rigid tapping, and the screw tap collet is clamped the garden post handle of screw tap and located with square toes, and the amount of feeding from start to finish of tapping equates fully that with pitch this method tapping is the axial force of bearing through the minimizing screw tap, and improves accuracy of thread; When screw tap main shaft (36) just changes, the screw tap feeding is advanced; When tapping main shaft (36) counter-rotating, screw tap withdraws from from sleeve stock (202); When disc rotary disk running, when tapping main shaft (36) wait work again can not stall, tapping main shaft (36) feeding must stop; For this reason, this machine is provided with the hydraulic control screw rod clutch (306) of control tapping feeding and the friction disk clutch (307) of the rotary oil cylinder manipulation of control tapping main shaft (36) rotating;

3. turning main shaft (34) is bearing on the axletree cover (342) through three bearings; Axletree cover (342) is contained in the main spindle box (3); Turning main shaft (34) is a hollow shaft; Chuck nut (349) is contained in the shaft extension end of turning main shaft (34), and the termination screw is contained in piston ring (343) and the two ends collet (344) that rises collet and rises on the bar (347); The pull bar (348) that one end is connected with collet compressed oil cylinder (403); Pass the other end and collet behind the hollow turning main shaft (34) bar (347) thread connection that rises; Rely on collet compressed oil cylinder (403) effect; Piston ring (343) and the two ends collet (344) that rises can move axially in chuck nut (349); Lathe tool (345) is contained on the knife rest (346), and is bearing on the support plate, drives knife rest feed bar (341) control turning feeding by turning feed cylinder (402); Disc rotary disk (203) sleeve stock (202) is passed to the 4th road station, when being turning station (229), liftout oil cylinder (238) call instruction promotes plunger tip slide-bar (239) sleeve stock (202) is ejected from disc rotary disk (203); Meanwhile, turning main shaft (34) is in rotation, and collet compressed oil cylinder (403) call instruction rises by collet (344) from the interior release of chuck nut (349) with piston ring (343) and two ends; The two ends collet (344) that rises of rotation is caught the sleeve stock (202) that from disc rotary disk (203), ejects, and is with its rotation; Because of plunger tip slide-bar (239) end is equipped with bearing, plunger tip (240) is also with its rotation, on sleeve stock (202) does not rise by collet (344) from piston ring (343) and two ends that disc rotary disk (203) installs to rotation with not shutting down; Liftout oil cylinder (238) continues to promote plunger tip slide-bar (239) and moves right; Sleeve stock (202) will be leaned chuck nut (349) end face; Liftout oil cylinder (238) withstands the collet bar (347) that rises from the left side, liftout oil cylinder (238) withstands piston ring (343) from the right side; Two ends collet (344) right ends that rises receives axial force and spreading closing sleeve stock (202) like this, and the outer garden work of turning sleeve stock (202) is able to carry out; When turnery is accomplished; Collet compressed oil cylinder (403) band plunger tip slide-bar (239) is to moving to left; Two ends collet (344) resilience of rising is unclamped; Sleeve stock (202) is loose, and collet compressed oil cylinder (403) moves right the two ends collet (344) that rises is shunk back in the chuck nut (349); Sleeve (202) falls into the finished product case because of deadweight, has so just accomplished and has not shut down automatic loading and unloading work;

[4] hydraulic operation platform;Hydraulic operation platform (4) is equipped with oil cylinder integrated package (409) and integrated package cover plate (410); Boring feed cylinder (401), turning feed cylinder (402), collet compressed oil cylinder (403) be with screw rod clutch oil cylinder (363) is all integrated is installed on the oil cylinder integrated package (409), on integrated package cover plate (408), be equipped with boring hydraulicdirectional control valve (404), the control turning feed cylinder (402) of keyhole feed cylinder (401) turning hydraulicdirectional control valve (405), control spring chuck compressed oil cylinder (403) chuck hydraulicdirectional control valve (406) and control the screw rod hydraulicdirectional control valve (407) of screw rod clutch oil cylinder (363); The inner oil duct that bores of oil cylinder integrated package (409) and integrated package cover plate (410) substitutes traditional external oil pipe, makes said oil cylinder and corresponding hydraulicdirectional control valve can both integratedly be installed on oil cylinder integrated package (409) and the integrated package cover plate (410); The oil circuit of boring feed cylinder (401) and boring flow speed control valve (412) polyphone form meter out keyhole feed speed through boring flow speed control valve (412); Because of together rotating, power transmission shaft (411) driving drill spindle (32) needs drill spindle (32) axial feed again; Can only axial feed and piston rod (413) is non-rotatable, so piston rod (413) connects with power transmission shaft (411) through anti-pivoted housing (414), thrust ball bearing; Turning feed cylinder (402), collet compressed oil cylinder (403) are identical with feed cylinder (401) structure of holing, and the feed speed of turning feed cylinder (402) is controlled by the another flow speed control valve.

2. according to the Metal Cutting Machine Tool of the said a kind of automatic processing reinforcing steel bar connecting sleeve tube of claim 1; It is characterized in that: the screw rod (366) of said hydraulic control screw rod clutch (306) is driven by the drive splines axle and does not stop rotation; Bolt and nut (364) is rotatable by the bearing supporting; Clutch movable block (362) rotates simultaneously with bolt and nut (364) key connecting and stops simultaneously, and can outside bolt and nut (364), endwisely slip in the garden; Clutch contiguous block (365) is by rotatable can not the moving axially of bearing supporting, and screw rod (366) and clutch contiguous block (365) key connecting, screw rod (366) drive clutch contiguous block (365) rotation, and the hole endwisely slips within it; When 4# oilhole (f) oil return of screw rod clutch oil cylinder (363), 3# oilhole (e) oil-feed; Piston (377) promotes clutch movable block (362) and moves left; Make clutch movable block (362) and clutch fixed block (361) engagement; Clutch movable block (362) and bolt and nut (364) are stopped the rotation, and screw rod is in ceaselessly rotation, and then screw rod (366) promotes the motion of tapping axis feeding; The pitch of screw rod is consistent with the pitch of screw tap, so the amount of feeding of tapping is consistent with the pitch of screw tap; When promoting clutch movable block (362), screw rod clutch oil cylinder (363) moves right; Make clutch movable block (362) and clutch contiguous block (365) engagement; Clutch contiguous block (365) drives clutch movable block (362) and rotates simultaneously with bolt and nut (364); Then bolt and nut (364) rotates with speed with screw rod (366), and feed motion stops;

Drive splines axle (367) connects with screw rod (366) through adapter sleeve (368); Clutch contiguous block (365) and screw rod (366) key connecting; Clutch contiguous block (365) is bearing on the clutch flap (376) through 7# bearing (375) and copper sheathing (371); Through soket head cap screw clutch flap (376), clutch base (372), cylinder cover (374) and screw rod clutch oil cylinder (363) are fixed on the oil cylinder integrated package (409), screw rod (366) drive clutch contiguous block (365) rotation and within it the hole move; Clutch fixed block (361) is to be fixed on the clutch flap (376); Can go up rotation at clutch fixed block (361) through two bearings supporting screw nut (364); Clutch movable block (362) and bolt and nut (364) key connecting; Clutch movable block (362) can endwisely slip on bolt and nut (364), also can rotate with bolt and nut (364); Be connected one through screw rod oil cylinder piston (377) and dial (373); Be connected one through dial (373) and pull bar (369); Bearing cap (370) is housed on pull bar (369), and stationary balls drives clutch movable block (362) and horizontally slips; Screw rod clutch oil cylinder (363) is to be integrated on the oil cylinder integrated package (409), and 3# oilhole (e) can lead to the left chamber of piston (377), and 4# oilhole (f) can lead to the right chamber of piston (377), and when 4# oilhole (f) oil-feed, piston (377) is to moving to left; Clutch movable block (362) is to moving to left, and clutch movable block (362) is combined in one with clutch fixed block (361), and clutch movable block (362) and bolt and nut nut (364) are stopped the rotation; Bolt and nut (364) does not rotate like this, screw rod (366) rotation, and the tapping feeding begins; When 3# oilhole (e) oil-feed, piston (377) moves right, and clutch movable block (362) moves right, and clutch movable block (362) is combined in one with clutch contiguous block (365), and makes clutch movable block (362) and bolt and nut (364) rotation; Bolt and nut (364) rotation like this, screw rod (366) rotation, screw rod (366) is static relatively for bolt and nut (364), and the tapping feeding stops.

3. according to the Metal Cutting Machine Tool of the said a kind of automatic processing reinforcing steel bar connecting sleeve tube of claim 1; It is characterized in that: the friction disk clutch (307) that said rotary oil cylinder is handled is bearing on (302) of main spindle box through bearing; Motor drives one (302) rotation through belt pulley (31); Rotary oil cylinder piston and one (302) are one, and 1# piston packing (394) and 2# piston packing (395) constitute the left chamber of rotary oil cylinder (393); Identical another constitutes the right chamber of rotary oil cylinder (393) to piston packing; Outside (302) left side main spindle box, be equipped with and join scraper ring (381); Join the outer logical respectively 5# oilhole (g) of two oil pipes, the 6# oilhole (h) adorned of scraper ring (381); The endoporus of 5# oilhole (g), 6# oilhole (h) warp one (302) is the left chamber and the right chamber of logical rotary oil cylinder (393) respectively, and the end cap nut (388) that can drive its two ends behind the logical oil of rotary oil cylinder (393) moves back and forth; The interior shaft coupling sheet (386) of friction plate and one (302) rotation synchronously on rotary oil cylinder (393) left side; The gear piece (387) that outreaches of friction plate rotates with left clutch gear (384) synchronously, sky is housed in the left clutch gear (384) is enclosed within a copper sheathing (389) on (302); Transition duplex gear wheel (382) and transition duplex pinion (383) are bearing on the bolster (396) through bearing; Left clutch gear (384) and transition duplex gear wheel (382) engagement, transition duplex pinion (383) and three left gears (385) engagement that is installed on three (304); Shaft coupling sheet (386) and one (302) rotation synchronously in the friction plate of rotary oil cylinder (393) the right, the gear piece (387) that outreaches of friction plate rotates with right clutch gear (390) synchronously; Sky is housed in the right clutch gear (390) is enclosed within a copper sheathing (389) on (302); Right clutch gear (390) and three middle gears (392) engagement; When 5# oilhole (g) oil-feed; Pressure oilhole in axle gets into the left chamber of rotary oil cylinder (393); Promote right end cap nut (388) move to right the pressing friction sheet interior shaft coupling sheet (386) and friction plate outreach gear piece (387), drive right clutch gear (390) rotation, thereby drive three right gears (391) rotation; Driving tapping main shaft (36) through the tapping mainshaft gear (308) with three right gears (391) engagement just changes, and carries out tapping work; At this moment, the left clutch friction plate is in relaxed state; When the tapping end-of-job; 6# oilhole (h) oil-feed; Pressure gets into the right chamber of rotary oil cylinder (393) through the axle endoporus, promote left end cap nut (388) move to right the pressing friction sheet interior shaft coupling sheet (386) and friction plate outreach gear piece (387), drive left clutch gear (384) rotation; At this moment, the right clutch friction plate is in relaxed state; Because of left friction disc gear (384) through transition duplex gear wheel (382), drive three left gears (385) reverse rotation with transition duplex pinion (383) engagement; Three left gears (385) reverse rotation, then tapping main shaft (36) counter-rotating, the screw tap counter-rotating is withdrawed from from sleeve stock (202); Because of friction disk clutch is hydraulic operation and multi-disc,, adapt to frequent rotating working environment simultaneously again so can produce huge moment of torsion.