CN108772589A - Mini-tiller reverses gear axis machining apparatus - Google Patents
Mini-tiller reverses gear axis machining apparatus Download PDFInfo
- Publication number
- CN108772589A CN108772589A CN201810791383.7A CN201810791383A CN108772589A CN 108772589 A CN108772589 A CN 108772589A CN 201810791383 A CN201810791383 A CN 201810791383A CN 108772589 A CN108772589 A CN 108772589A
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- Prior art keywords
- rack
- shaft
- clamping
- fixed
- bevel gear
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- 238000003754 machining Methods 0.000 title claims abstract description 12
- 238000003801 milling Methods 0.000 claims abstract description 48
- 239000012530 fluid Substances 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 5
- 230000005389 magnetism Effects 0.000 claims description 4
- 230000001846 repelling effect Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 10
- 230000033001 locomotion Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000002173 cutting fluid Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/28—Grooving workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
- B23Q11/005—Devices for removing chips by blowing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention belongs to part manufacture fields, a kind of mini-tiller is specifically disclosed to reverse gear axis machining apparatus, rack is equipped with clamping unit, groove milling unit and workbench, clamping unit includes the clamping bar being slidably connected in rack, and sleeve is slidably connected on clamping bar, and sleeve lining is equipped with groove, voussoir is slidably connected in groove, several clamping jaws are circumferentially hinged on sleeve, clamping jaw is equipped with bar-shaped trough, convex block is fixed in rack；Groove milling unit includes the shaft being rotatably connected in rack, and shaft top is equipped with ball screws and is threaded with nut, and nut is fixed on the rack, and shaft lower end is fixed with milling cutter；Cam is rotatably connected in rack, slide bar upper end and cam outer wall are slidably matched；Shaft is equipped with first bevel gear, and clamping bar is equipped with second bevel gear, unilateral bearing is equipped between second bevel gear and clamping bar.Scheme using the present invention is solved the problems, such as in mini-tiller reverse shaft circumferential direction groove milling.
Description
Technical field
The invention belongs to agricultural equipment parts machining field, and in particular to a kind of mini-tiller reverses gear axis machining apparatus.
Background technology
Mini-tiller have it is light-weight, it is small, it is simple in structure the features such as, can freely be travelled in field, mix corresponding machine
Have the operations such as can also be drawn water, be generated electricity, sprayed, sprayed, eliminate the worry that large-scale farm machinery cannot be introduced into mountain area field,
It is that mountain area substitutes the cultivated optimal selection of ox.
Gear box of micro-cultivator is mini-tiller important component, and performance directly influences mini-tiller overall performance.It is micro- to plough
Machine gearbox assembly structure is：It is connected directly by ring flange between engine and gearbox, power passes through wet friction clutch
Device or conical surface friction clutch are directly delivered in gearbox, there is three kinds of axis such as main shaft, countershaft, reverse gear shaft in gearbox.Pass through
Stir main shaft, the duplex spur gear position on reverse gear shaft, it can be achieved that fast shelves, slow shelves and reverse gear shift, then pass through two groups of right cones
It outputs power after gear wheel reversing, deceleration.
Wherein, mini-tiller reverse gear shaft is fixed on by key connection on speed change chamber interior wall, in order to ensure connective stability, is reversed gear
Circumferentially arranged with multiple keyways to be fixed with speed change chamber interior wall on axis, in processing, the milling for often completing a keyway is required for
Manual rotation's reverse gear shaft, and the processing of next keyway is positioned again, it processes multiple keyways and just needs multiple bearing, this
Sample not only makes the processing efficiency of reverse shaft extremely low, while can not also ensure the precision of keyway processing.
Invention content
It reverses gear axis machining apparatus the purpose of the present invention is to provide a kind of mini-tiller, to meet automatic rotation during groove milling
The requirement of reverse gear shaft.
In order to achieve the above objectives, base case of the invention is：Mini-tiller reverses gear axis machining apparatus, including rack, rack
It is equipped with clamping unit, groove milling unit and workbench, clamping unit includes the clamping bar being slidably connected in rack, clamping bar
On slidably connect sleeve, sleeve lining is equipped with groove, and voussoir is slidably connected in groove, and clamping bar is equipped with for voussoir card
The wedge slot entered, is fixed with the first spring between voussoir and bottom portion of groove, there is voussoir magnetism, bottom portion of groove to be equipped with for repelling wedge
First electromagnet of block；Several clamping jaws for clamping reverse gear shaft are circumferentially hinged on sleeve, clamping jaw is equipped with bar-shaped trough, machine
Convex block is fixed on frame, convex block is inserted into bar-shaped trough；Groove milling unit includes the shaft being rotatably connected in rack, and shaft top is set
There are ball screws and be threaded with nut, nut is fixed on the rack, and shaft lower end is fixed with milling cutter；It is located at shaft in rack
It is fixedly arranged above motor, cam is fixed on motor output shaft, slide bar, slide bar upper end and cam outer wall are slidably connected in rack
It is slidably matched, the lower end of the slider and the rotation connection of shaft upper end；Shaft upper spline is connected with first bevel gear, first bevel gear rotation
It is connected in rack, clamping bar is equipped with the second bevel gear engaged with first bevel gear, between second bevel gear and clamping bar
Unilateral bearing is installed, the number of teeth of first bevel gear is more than the number of teeth of second bevel gear.
The operation principle of this base case is：
To workbench direction sliding sleeve, sleeve drives clamping jaw to be moved to close to axis direction of reversing gear, and bar-shaped trough is by convex block
Position-limiting action clamps reverse gear shaft.When original state, voussoir is located at by the effect of the first spring in groove, when clamping jaw clamps reverse gear shaft
When, start the first electromagnet, the first electromagnet repels voussoir and is caught in wedge slot.Setting voussoir and wedge slot, the wedge surface of voussoir have
Guidance quality is easy to be caught in wedge slot.Sleeve and clamping bar are fixed, and clamping jaw and reverse gear shaft are fixed, and realize the fixation to reverse gear shaft, can
To carry out following process to reverse gear shaft.
Motor driving cam rotates, and cam and slide bar form cam mechanism, and according to the kinetic characteristic of cam mechanism, slide bar is done
Upper and lower to linear reciprocating motion.When slide bar moves downward, shaft is pushed to move downward, shaft and nut form not self-locking
Ball screw assembly, nut is fixed on the rack, and nut can not rotate, and therefore, be rotated forward while shaft moves downward.Milling cutter with
Shaft is moved downward and is rotated forward, cutting force groove milling on reverse gear shaft of milling cutter.At this point, shaft drives first bevel gear to rotate forward, the
One bevel gear drives second bevel gear reversion, second bevel gear to be acted on clamping bar and dallied by unilateral bearing, and clamping bar does not turn
It is dynamic.
When slide bar moves upwards, shaft moves upwards reset therewith, and according to the kinetic characteristic of ball screw assembly, shaft drives
It is inverted while milling cutter moves upwards.Shaft drives first bevel gear reversion, first bevel gear that second bevel gear is driven to rotate forward, the
Plug tap gear drives clamping bar rotation, clamping bar that reverse gear shaft is driven to rotate next operating position.
Since keyway depth is fixed, then the distance that shaft drives milling cutter to move downward is certain, and passes through cam
Mechanism makes shaft move downward, by the shape that cam is arranged, it may be determined that the distance that shaft moves downward.Pass through ball wire
The transmission of thick stick pair, shaft move downward one timing of distance, and the number of turns of shaft rotation is fixed.Shaft drives first bevel gear to turn
The dynamic number of turns is fixed, and the number of teeth of first bevel gear is more than the number of teeth of second bevel gear, first bevel gear and second bevel gear
Transmission ratio is not 1, then the number of turns of shaft rotation can be determined by the screw pitch of setting nut and ball screws, due to the first cone
What the number of turns of gear rotation was to determine, and gear-driven precision is higher, then can determine the angle that second bevel gear rotates every time
It spends, even if unilateral bearing is when driving clamping bar rotation, there are certain errors, but are somebody's turn to do since the rotation of each unilateral bearing all exists
Error still can ensure that the angle of each clamping bar rotation is equal.Clamping bar rotation drives reverse gear shaft rotation, due to clamping bar
The angle rotated every time is equal, then the slot milled out is evenly distributed on reverse gear shaft, and precision is higher.
The advantageous effect of this base case is：
1, by the setting of unilateral bearing, when shaft drives milling cutter to move downward, clamping bar fixes reverse gear shaft；It machines
After one keyway, when shaft drives milling cutter to reset, clamping bar drives reverse gear shaft to turn an angle, and can process next milling
Slot.In the present apparatus, machines after a keyway so that reverse gear shaft rotates automatically, be not required to staff and rotate reverse gear shaft, reduce
Hand labor intensity.
2, ball screws are secondary in the present apparatus and the transmission of first bevel gear, second bevel gear, can so that clamping bar is every
The secondary angle for driving reverse gear shaft rotation is equal, then the slot milled out is evenly distributed on reverse gear shaft, and does not need multiple bearing, can
To ensure higher precision.
Further, cooling unit is additionally provided in rack, cooling unit includes the liquid reserve tank being fixed on above cam, liquid reserve tank
It is equipped with fluid hole, is slidably connected at fluid hole in liquid reserve tank and is useful for blocking the baffle of fluid hole, baffle is equipped with can
With the through-hole overlapped with fluid hole, baffle lower end is fixed with connecting rod, and connecting rod lower end is slided through liquid reserve tank bottom and with cam outer wall
Dynamic cooperation, is communicated with outlet tube at fluid hole, and the opening of outlet tube free end is towards milling cutter.
Advantageous effect：Cam and connecting rod form cam mechanism, and cam rotation drives connecting rod to do vertical linear reciprocating motion,
And link motion direction is identical with pivot direction.When shaft drives milling cutter to move downward groove milling, connecting rod also moves downward, even
Bar drives baffle slide downward, through-hole and fluid hole to overlap, and cutting fluid is discharged by fluid hole, cutting fluid by gravity along
Outlet tube is discharged on milling cutter, is cooled down to milling cutter.
Further, drying unit is additionally provided in rack, drying unit includes the piston bucket being arranged on the outside of clamping bar, is clamped
Bar runs through the end face of piston bucket, and piston bucket is slidably connected in rack, is threaded with piston on piston bucket inner wall, piston is fixed
On clamping bar, piston bucket end face is equipped with venthole, and escape pipe, and the free end opening direction of escape pipe are communicated at venthole
Workbench.
Advantageous effect：Clamping bar rotation drives piston rotation, the rotation of piston opposing pistons bucket, piston bucket to be slidably connected at machine
On frame, rack limits piston bucket, and piston bucket can not rotate.Piston bucket is connected with piston thread, according to the fortune of screw thread pair
Dynamic characteristic, piston bucket opposing pistons slide, and space reduces in piston bucket, and the gas in piston bucket is discharged by escape pipe, by milling
Remaining iron filings blowout in good slot, and reverse gear shaft is cooled down.
Further, outlet tube end is fixed on the rack.
Advantageous effect：Rack limits escape pipe, and escape pipe is avoided to be moved to separate reverse gear shaft with piston bucket,
So that the opening of escape pipe can be directed at reverse gear shaft always.
Further, outlet tube is bellows, link block is slidably connected in rack, the cross section of link block is rectangle, even
It connects and is equipped with mounting hole in the middle part of block, inner wall of the hole installing is equipped with limiting slot in a ring, and shaft and mounting hole are rotatablely connected, in shaft
Equipped with spacing ring, spacing ring is caught in limiting slot, and outlet tube is fixed on link block.
Advantageous effect：Link block can not be rotated by the position-limiting action of rack, while link block is by the position-limiting action of spacing ring,
Upper and lower movement is done with shaft.Bellows is set, using the expansion performance of bellows, bellows moves above and below with link block,
So that the opening and milling cutter of bellows maintain a certain distance, ensure that cutting fluid is all sprayed onto on milling cutter.And as milling cutter is transported downwards
Dynamic distance increases, and the milling cutter working time increases, and the cutting thermal change of generation is more, and bellows is also moved downward and is stretched, bellows
Internal diameter becomes smaller, and according to bernoulli principle, the cutting flow velocity in bellows increases, and speed of the cutting fluid spray on milling cutter becomes
Soon, cooling effect is more preferable.
Description of the drawings
Fig. 1 is the schematic diagram of the embodiment of the present invention；
Fig. 2 is the enlarged diagram of part A in Fig. 1；
Fig. 3 is the enlarged diagram of part B in Fig. 1；
Fig. 4 is the right view of holder and placement ring in Fig. 1；
Fig. 5 is the enlarged diagram of C portion in Fig. 1；
Fig. 6 is the enlarged diagram of the parts D in Fig. 1.
Specific implementation mode
It is further described below by specific implementation mode：
Reference numeral in Figure of description includes：Cam 1, connecting rod 3, baffle 4, fluid hole 5, through-hole 6, is slided liquid reserve tank 2
Bar 7, shaft 8, first bevel gear 9, second bevel gear 10, nut 11, milling cutter 12, clamping bar 13, piston bucket 14, piston 15, set
Cylinder 16, reverse gear shaft 18, holder 19, places ring 20, convex block 21, clamping jaw 22, link block 23, spacing ring 24, voussoir at bar-shaped trough 17
25, groove 26, fixture block 27, second spring 28.
As shown in Figure 1,18 processing unit (plant) of mini-tiller reverse gear shaft, including rack, rack are equipped with clamping unit, groove milling list
Member, cooling unit, drying unit and workbench, workbench upper edge are transversely provided with several holders 19, in conjunction with shown in Fig. 4, holder
19 upper ends are fixed with the placement ring 20 of semicircular in shape.Clamping unit includes the clamping bar 13 being slidably connected in rack, clamping bar
Sleeve 16 is slidably connected on 13, in conjunction with shown in Fig. 3,16 inner wall of sleeve is equipped with groove 26, and wedge is slidably connected in groove 26
Block 25, clamping bar 13 are equipped with the wedge slot being caught in for voussoir 25, and voussoir 25 and groove are fixed with the first spring, wedge between 26 bottom
Block 25 has magnetism, the electricity that 26 bottom of groove is equipped with the first electromagnet for repelling voussoir 25 and is powered for the first electromagnet
Source.16 upper and lower both sides of sleeve are hinged with clamping jaw 22, bar-shaped trough 17 are equipped on clamping jaw 22,17 right end of bar-shaped trough is to close to folder
Axial direction tilts in tight bar 13, and convex block 21 is fixed in rack, and convex block 21 is inserted into bar-shaped trough 17.
Groove milling unit includes the shaft 8 being rotatably connected in rack, and 8 top of shaft is equipped with ball screws and is threaded with
Nut 11, nut 11 are fixed on the rack, and 8 lower end of shaft is fixed with milling cutter 12.In rack electricity is fixedly arranged above positioned at shaft 8
Machine is fixed with cam 1 on motor output shaft, and slide bar 7 is slidably connected in rack, and 7 upper end of slide bar and the sliding of 1 outer wall of cam are matched
It closes, 7 lower end of slide bar and the rotation connection of 8 upper end of shaft.8 upper spline of shaft is connected with first bevel gear 9, and first bevel gear 9 rotates
It is connected in rack, clamping bar 13 is equipped with the second bevel gear 10 engaged with first bevel gear 9, second bevel gear 10 and clamping
Unilateral bearing is installed, the number of teeth of first bevel gear 9 is more than the number of teeth of second bevel gear 10 between bar 13.
Cooling unit includes the liquid reserve tank 2 for being fixed on the top of cam 1, and liquid reserve tank 2 is equipped with fluid hole 5, position in liquid reserve tank 2
It is slidably connected at fluid hole 5 and is useful for blocking the baffle 4 of fluid hole 5, baffle 4 is logical equipped with what can be overlapped with fluid hole 5
Hole 6,4 lower end of baffle are fixed with connecting rod 3, and 3 lower end of connecting rod is slidably matched through 2 bottom of liquid reserve tank and with 1 outer wall of cam, fluid hole
It is communicated with outlet tube at 5, the opening of outlet tube free end is towards milling cutter 12.Outlet tube is bellows, is slidably connected in rack
The cross section of link block 23, link block 23 is rectangle, and in conjunction with shown in Fig. 2, link block 23 includes left piece to be connected together and the right side
Block, the left piece of left mounting hole for being equipped with semicircular in shape, the right piece of right mounting hole for being equipped with semicircular in shape, left mounting hole and right installation
Hole is stitched together, formed for shaft 8 by through-hole 6.It is in semiorbicular left limit slot that left inner wall of the hole installing, which is equipped with, right
It is in semiorbicular right limit slot that inner wall of the hole installing, which is equipped with, and shaft 8 is equipped with spacing ring 24, left limit slot and the splicing of right limit slot
It is caught in together for spacing ring 24, outlet tube is fixed on link block 23.
Drying unit includes the piston bucket 14 being arranged in 13 outside of clamping bar, and clamping bar 13 runs through the end face of piston bucket 14,
Rack is equipped with lateral sliding rail, as shown in fig. 6, piston bucket 14 is equipped with card slot, fixture block 27, fixture block are slidably connected in card slot
27 are slidably connected in sliding rail, and second spring 28 is fixed between fixture block 27 and card slot bottom, and fixture block 27 has magnetism, card slot bottom
The power supply that portion is equipped with the second electromagnet for repelling fixture block 27 and is powered for the second electromagnet.When second electromagnet starts,
Fixture block 27 is caught in sliding rail, and piston bucket 14 is avoided to rotate, and when the second electromagnet is closed, fixture block 27 is acted on by second spring 28 and being slid into
In card slot, the effect of 14 unrestricted position of piston bucket can be rotated or be slided relative to clamping bar 13.It is threadedly coupled on 14 inner wall of piston bucket
There are piston 15, piston 15 to be fixed on clamping bar 13,14 end face of piston bucket is equipped with venthole, and outlet is communicated at venthole
Pipe, the end of escape pipe free end is fixed on the rack, and the free end opening of escape pipe is towards workbench.
When specific works, reverse gear shaft 18 to be processed is placed on and is placed on ring 20, holder 19 props up reverse gear shaft 18
Support.When original state, voussoir 25 is located at by the effect of the first spring in groove 26, staff sliding sleeve 16 to the right, sleeve 16
Clamping jaw 22 is driven to move right, bar-shaped trough 17 is clamped 18 left end of reverse gear shaft, at this point, staff by the position-limiting action of convex block 21
Start the first electromagnet, the first electromagnet repels voussoir 25, and voussoir 25 is moved to close wedge slot direction and is caught in wedge slot.Sleeve
16 and clamping bar 13 fix, clamping jaw 22 and reverse gear shaft 18 are fixed, and are realized the fixation to reverse gear shaft 18, can be started to reverse gear shaft 18
Carry out following process.
Start motor, motor driving cam 1 rotates, and cam 1 and slide bar 7 form cam mechanism, according to the fortune of cam mechanism
Dynamic characteristic, slide bar 7 do upper and lower to linear reciprocating motion.When the lug boss of cam 1 rotates down, slide bar 7 moves downward,
Shaft 8 is pushed to move downward, the ball screw assembly, of shaft 8 and the composition not self-locking of nut 11, nut 11 is fixed on the rack, nut
11 can not rotate, and therefore, shaft 8 rotates forward while moving downward.Shaft 8 moves downward while driving milling cutter 12 to rotate forward, milling
The groove milling on reverse gear shaft 18 of the cutting force of knife 12.Meanwhile shaft 8 drives first bevel gear 9 to rotate forward, first bevel gear 9 drives the
Two bevel gears 10 invert, and second bevel gear 10 is acted on by unilateral bearing and being dallied, and clamping bar 13 does not rotate.
Cam 1 and connecting rod 3 also form cam mechanism, and the rotation of cam 1 drives connecting rod 3 to do vertical linear reciprocating motion, and
3 direction of motion of connecting rod is identical with 8 direction of motion of shaft.When shaft 8 drives milling cutter 12 to move downward groove milling, connecting rod 3 is also transported downwards
Dynamic, connecting rod 3 drives 4 slide downward of baffle.As shown in figure 5, when through-hole 6 and fluid hole 5 gradually overlap, cutting fluid is by going out liquid
Hole 5 is discharged, and cutting fluid is discharged on milling cutter 12 along outlet tube by gravity, is cooled down to milling cutter 12.Due to link block
23 can not be rotated by the position-limiting action of rack, while link block 23 is done upper and lower fortune by the position-limiting action of spacing ring 24 with shaft 8
It is dynamic.Outlet tube moves above and below with link block 23 so that the opening and milling cutter 12 of outlet tube maintain a certain distance, and ensure to cut
Liquid is cut all to be sprayed onto on milling cutter 12.
When the lug boss of cam 1 is rotated up, slide bar 7 moves upwards, and shaft 8 moves upwards reset therewith, according to ball
The kinetic characteristic of lead screw pair, shaft 8 invert while driving milling cutter 12 to move upwards.Shaft 8 drives first bevel gear 9 to invert,
First bevel gear 9 drives second bevel gear 10 to rotate forward, and second bevel gear 10 drives clamping bar 13 to rotate, and the drive of clamping bar 13 is reversed gear
Axis 18 rotates.
Meanwhile the rotation band piston 15 of clamping bar 13 rotates, the rotation of 15 opposing pistons bucket 14 of piston starts the second electromagnetism
Iron, fixture block 27 skid off card slot and are located in sliding rail, position-limiting action of the fixture block 27 by sliding rail so that piston bucket 14 can not rotate.Piston
Bucket 14 and piston 15 are threadedly coupled, and according to the kinetic characteristic of screw thread pair, 14 opposing pistons 15 of piston bucket slide to the right, piston bucket 14
Interior space reduces, and the gas in piston bucket 14 is discharged by escape pipe, remaining iron filings in the good slot of milling is blown out, and to falling
Gear shaft 18 is cooled down.
Keyway on reverse gear shaft 18 is circumferential after processing is completed, closes motor.The first electromagnet is closed, voussoir 25 is by the first bullet
The reset response of spring slides back in groove 26, and sliding sleeve 16, sleeve 16 drive clamping jaw 22 to move downward to staff to the left, unclamp
Reverse gear shaft 18, staff can remove reverse gear shaft 18.Close the second electromagnet, reset response of the fixture block 27 by second spring 28
It slides back in card slot, staff rotates piston bucket 14 so that piston bucket 14 slides reset to the left.
Above-described is only the embodiment of the present invention, and the common sense such as well known concrete structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these should also be considered as protection scope of the present invention, these all do not interfere with what the present invention was implemented
Effect and patent practicability.
Claims (5)
- The axis machining apparatus 1. mini-tiller reverses gear, including rack, it is characterised in that：Rack be equipped with clamping unit, groove milling unit with And workbench, clamping unit include the clamping bar being slidably connected in rack, and sleeve, sleeve lining are slidably connected on clamping bar Be equipped with groove, slidably connect voussoir in groove, clamping bar is equipped with the wedge slot being caught in for voussoir, voussoir and bottom portion of groove it Between be fixed with the first spring, there is voussoir magnetism, bottom portion of groove to be equipped with the first electromagnet for repelling voussoir；Sleeve upper edge week To several clamping jaws for clamping reverse gear shaft are hinged with, clamping jaw is equipped with bar-shaped trough, and convex block is fixed in rack, and convex block is inserted into item In shape slot；Groove milling unit includes the shaft being rotatably connected in rack, and shaft top is equipped with ball screws and is threaded with nut, Nut is fixed on the rack, and shaft lower end is fixed with milling cutter；Motor is fixedly arranged above positioned at shaft, in rack on motor output shaft It is fixed with cam, slide bar is slidably connected in rack, slide bar upper end and cam outer wall are slidably matched, the lower end of the slider and shaft upper end Rotation connection；Shaft upper spline is connected with first bevel gear, and first bevel gear is rotatably connected in rack, clamping bar be equipped with The second bevel gear of first bevel gear engagement, is equipped with unilateral bearing between second bevel gear and clamping bar, first bevel gear The number of teeth is more than the number of teeth of second bevel gear.
- The axis machining apparatus 2. mini-tiller according to claim 1 reverses gear, it is characterised in that：It is additionally provided in rack cooling single Member, cooling unit include the liquid reserve tank being fixed on above cam, and liquid reserve tank is equipped with fluid hole, is located at fluid hole in liquid reserve tank It is slidably connected and is useful for blocking the baffle of fluid hole, baffle is equipped with the through-hole that can be overlapped with fluid hole, and baffle lower end is fixed There are connecting rod, connecting rod lower end to be slidably matched through liquid reserve tank bottom and with cam outer wall, outlet tube, outlet tube are communicated at fluid hole The opening of free end is towards milling cutter.
- The axis machining apparatus 3. mini-tiller according to claim 1 reverses gear, it is characterised in that：It is additionally provided in rack dry single Member, drying unit include the piston bucket being arranged on the outside of clamping bar, and clamping bar runs through the end face of piston bucket, and piston bucket is slidably connected In rack, it is threaded with piston on piston bucket inner wall, piston is fixed on clamping bar, and piston bucket end face is equipped with ventilation Hole, is communicated with escape pipe at venthole, and the free end opening of escape pipe is towards workbench.
- The axis machining apparatus 4. mini-tiller according to claim 3 reverses gear, it is characterised in that：The outlet tube end is fixed on In rack.
- The axis machining apparatus 5. mini-tiller according to claim 2 reverses gear, it is characterised in that：The outlet tube is bellows, Slidably connect link block in rack, the cross section of link block is rectangle, is equipped with mounting hole in the middle part of link block, in inner wall of the hole installing Equipped with limiting slot in a ring, shaft and mounting hole rotation connection, shaft are equipped with spacing ring, and spacing ring is caught in limiting slot, Outlet tube is fixed on link block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810791383.7A CN108772589A (en) | 2018-07-18 | 2018-07-18 | Mini-tiller reverses gear axis machining apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112588725A (en) * | 2020-12-02 | 2021-04-02 | 常庆庆 | Cutting device for hardware processing |
| CN113324153A (en) * | 2021-05-31 | 2021-08-31 | 北京华之峰智能技术有限公司 | Flying area construction dynamic video monitoring device convenient to install |
| CN115091230A (en) * | 2022-06-24 | 2022-09-23 | 宁波固高智能科技有限公司 | Intelligent manufacturing complete equipment based on industrial robot |
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| CN113324153A (en) * | 2021-05-31 | 2021-08-31 | 北京华之峰智能技术有限公司 | Flying area construction dynamic video monitoring device convenient to install |
| CN115091230A (en) * | 2022-06-24 | 2022-09-23 | 宁波固高智能科技有限公司 | Intelligent manufacturing complete equipment based on industrial robot |
| CN115091230B (en) * | 2022-06-24 | 2023-06-09 | 宁波固高智能科技有限公司 | Intelligent manufacturing complete equipment based on industrial robot |
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