CN110640000A

CN110640000A - Pipe forming method based on pipe port forming device

Info

Publication number: CN110640000A
Application number: CN201910950959.4A
Authority: CN
Inventors: 谢辉
Original assignee: Mdt Infotech Ltd Of Suzhou
Current assignee: Mdt Infotech Ltd Of Suzhou
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-01-03

Abstract

The invention relates to a pipe forming method based on a pipe port forming device, which mainly solves the problems of high labor intensity and low processing efficiency of the existing manual forming. The pipe port forming device comprises a rack, a feeding mechanism, a stamping mechanism, a transfer mechanism, an operating panel, a workbench and an electrical cabinet, wherein the electrical cabinet is installed on the rack, the top of the electrical cabinet is provided with the workbench, the feeding mechanism, the stamping mechanism and the transfer mechanism are installed on the workbench, the transfer mechanism is arranged on one side of the feeding mechanism, the stamping mechanism is arranged below the transfer mechanism, the operating panel is further installed on the workbench and connected with an input end of a PLC (programmable logic controller), an output end of the PLC is connected with each mechanical part of the device, the PLC receives a control instruction of the operating panel, and the technical scheme for controlling the action of each mechanical part of the device is adopted, so that the problem is well solved, and the pipe port forming device can be used for forming a pipe port.

Description

Pipe forming method based on pipe port forming device

Technical Field

The invention relates to the technical field of mechanical forming equipment, in particular to a pipe forming method based on a pipe port forming device.

Background

The copper pipe has the advantages of hard texture, corrosion resistance, high temperature resistance, high pressure resistance and the like, and is widely applied to the field of household appliance manufacturing industry, particularly the air conditioner industry. In the manufacture of equipment, in order to meet some process requirements, the port of the copper pipe needs to be formed, for example, in an air conditioning system, in order to meet the welding process requirements, the port of the copper pipe needs to be flared. The flaring processing method of the copper pipe commonly adopted at present is that an operator manually puts the copper pipe into a pressing die, then utilizes a flaring die to perform flaring processing on the port of the copper pipe, finally takes out the flared copper pipe, and then performs flaring processing operation on the next copper pipe.

The prior art has the defects that operators need to complete the loading and unloading operations of copper pipes one by one, the labor intensity is high, and the processing efficiency is low; in addition, the flaring quality of the copper pipe is difficult to guarantee, so that the repair rate of the copper pipe is high. Therefore, it is desirable to develop a tube port forming device capable of solving the above problems.

Disclosure of Invention

The invention provides a pipe port forming device and a forming method thereof, which are used for reducing the labor intensity of operators and improving the forming and processing efficiency.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the invention discloses a pipe port forming device, which comprises a rack, a feeding mechanism, a stamping mechanism, a transferring mechanism, an operating panel, a workbench and an electrical cabinet, wherein the electrical cabinet is arranged on the rack, the top of the electrical cabinet is provided with the workbench, the feeding mechanism, the stamping mechanism and the transferring mechanism are arranged on the workbench, the transferring mechanism is arranged on one side of the feeding mechanism, the stamping mechanism is arranged below the transferring mechanism, the operating panel is also arranged on the workbench and is connected with the input end of a PLC (programmable logic controller), the output end of the PLC is connected with various mechanical parts of the device, and the PLC receives control instructions of the operating panel to control the actions of the various mechanical parts of the device.

Further, the feeding mechanism comprises a base fixed on the workbench, a left fixing plate and a right fixing plate are symmetrically arranged on two sides of the base, a left baffle and a right baffle are arranged between the left fixing plate and the right fixing plate, slide ways obliquely arranged downwards are arranged at the bottoms of the inner sides of the left baffle and the right baffle, first baffle plates vertically arranged are arranged on the inner sides of the left baffle and the right baffle, the left baffle, the right baffle, the slide ways and the first baffle form a containing tank for containing pipes, an opening for allowing the pipes to pass through is formed in the bottom end of the containing tank, first connecting plates extending outwards are arranged at the bottom ends of the left baffle and the right baffle, guide blocks and slide way extending parts extending outwards are arranged on the inner sides of the two first connecting plates, and L-shaped supporting plates are arranged at one ends of the two slide way extending parts, one end of each of the two L-shaped supporting plates is provided with a second baffle, one of the two L-shaped supporting plates is provided with a third proximity sensor, one side of the extension part of the slide way is provided with a first proximity sensor and a second proximity sensor, an inclined plate is arranged below the first connecting plate and fixed at the top of the support, the bottom of the inclined plate is provided with a first Z-direction cylinder and a second Z-direction cylinder which are arranged at intervals, a piston rod of the first Z-direction cylinder penetrates through the inclined plate to be connected with one end of the first lifting block, the other end of the first lifting block is connected with the first L-shaped baffle, a piston rod of the second Z-direction cylinder penetrates through the inclined plate to be connected with one end of the second lifting block, the other end of the second lifting block is connected with the second L-shaped baffle, top ends of the left fixing plate and the right fixing plate are fixed with top plates, and a left fixing seat is arranged at, the left fixing seat is internally provided with internal threads and is in threaded connection with a left screw rod, one end of the left screw rod is provided with a left hand wheel, the other end of the left screw rod sequentially penetrates through the left fixing seat, a left fixing plate and is connected with a left connecting seat, the left connecting seat is arranged on a left baffle plate, the left fixing plate is provided with two left linear bearings, the two left linear bearings are arranged on two sides of the left fixing seat, each left linear bearing is sleeved with a corresponding left guide shaft, one end of each left guide shaft is fixed on the left baffle plate, the left fixing plate is further provided with a servo motor, the shaft end of the servo motor penetrates through the left fixing plate and is connected with one end of a shaft coupler, the other end of the shaft coupler is connected with one end of the shaft, the middle part of the shaft is provided with two material stirring blocks at intervals, the two material stirring, install right fixing base at the middle part position of right fixed plate, the inside of right fixing base is provided with the internal thread, and with right screw rod threaded connection, right hand wheel is installed to the one end of right screw rod, and the other end passes right fixing base, right fixed plate in proper order and is connected with right connecting seat, and right connecting seat is installed on right baffle, install two right linear bearing on the right fixed plate, two right linear bearing sets up the both sides at right fixing base, every the right linear bearing cup joints corresponding right guide shaft, two in the right linear bearing the one end of right guide shaft is all fixed on right baffle.

Furthermore, the stamping mechanism comprises a pipe port stamping assembly, a clamping die assembly and a plane stamping assembly, wherein the pipe port stamping assembly is arranged on one side of the clamping die assembly, the plane stamping assembly is arranged on the other side of the clamping die assembly, the pipe port stamping assembly comprises two first sliding rails which are arranged in parallel, the two first sliding rails are fixed on a workbench at intervals, first sliding blocks are respectively arranged on the two first sliding rails, a moving seat is respectively arranged on each first sliding block, a moving plate is connected between the two moving seats, a first connecting seat is arranged on one side of the moving plate, the other side of the moving plate is connected with one side of a die transition plate, first key grooves are respectively and correspondingly arranged at the joints of the moving plate and the die transition plate, the two first key grooves are connected through a first key, and a second key groove is arranged on the other side of the die transition plate along the vertical direction, the inner cavity of the second key groove is provided with a second flat key, the second flat key is arranged in a through key groove of the stamping die mounting seat, the top of the stamping die mounting seat is provided with a bolt hole, the stamping die mounting seat is in sliding fit with the other side of the stamping die transition plate through the second flat key and is positioned through a first adjusting screw rod matched with the bolt hole, the first adjusting screw rod is fixed on a convex block extending outwards at the top of the stamping die transition plate, the first adjusting screw rod penetrates through the convex block to be in threaded connection with the bolt hole, the stamping die mounting seat is provided with a flat milling hole, the flat milling hole is matched with a flat milling hole formed at one end of the stamping die, one end of the stamping die is fixed in the flat milling hole through a set screw, and three axially protruding bosses are uniformly distributed at the other end of the stamping.

Furthermore, the first connecting seat is connected with a piston rod of a first hydraulic cylinder, the first hydraulic cylinder is fixed on a front mounting seat and a rear mounting seat, the bottoms of the front mounting seat and the rear mounting seat are respectively provided with a first T-shaped nut and a second T-shaped nut, the two first T-shaped nuts are arranged on a first T-shaped groove, the first T-shaped nuts can slide in the first T-shaped groove, the first T-shaped groove is arranged on a first bottom plate, the two second T-shaped nuts are arranged on a second T-shaped groove, the second T-shaped nuts can slide in the second T-shaped groove, the second T-shaped groove is arranged on a second bottom plate, and the first bottom plate and the second bottom plate are arranged in parallel; the front mounting seat is connected with a second adjusting screw rod, and the second adjusting screw rod is fixed on the screw rod support.

Further, press from both sides the mould subassembly and include the mould seat, the cross sectional shape of mould seat is the spill, the hydro-cylinder is installed to mould seat bilateral symmetry, every the piston rod of hydro-cylinder all with hydro-cylinder articulate, every the hydro-cylinder joint all passes mould seat and screw rod spiro union, every the screw rod all is connected with pressing from both sides the mould mount pad, every the dovetail has been seted up to pressing from both sides mould mount pad bottom, two the dovetail sets up on the forked tail is protruding, the forked tail arch is fixed on the mould seat, every it is provided with the draw-in groove to press from both sides mould mount pad inboard, install the die clamper on the draw-in groove, two be provided with the centre gripping hole that the position is relative on the.

Further, towards the plane subassembly and include two parallel arrangement's second slide rail, two the second slide rail interval is fixed on the workstation, two be provided with the second slider on the second slide rail respectively, two the third bottom plate is installed at second slider top, the both sides of third bottom plate top are equipped with the support respectively, two the fixed plate is installed at the support top, install the second pneumatic cylinder on the fixed plate, the piston rod of second pneumatic cylinder passes the fixed plate is connected with flange, and flange fixes at first push pedal up end, and the rectangular channel has been seted up to the lower terminal surface of first push pedal, installs towards the piece in the rectangular channel, two guide shafts are still installed to the up end of first push pedal, every the cover is equipped with linear bearing on the guide shaft, two linear bearing installs on the fixed plate.

Furthermore, a hydraulic cylinder mounting seat is fixed in the middle of the two second slide rails, a third hydraulic cylinder is arranged on the hydraulic cylinder mounting seat, a piston rod of the third hydraulic cylinder is connected with a second push plate, the second push plate is connected with a third bottom plate, a die core seat is arranged on the upper end face of the third bottom plate, third key grooves are correspondingly arranged at the joints of the die core seat and the third bottom plate respectively, the third key grooves are connected through a third flat key, and a die core is arranged in an inner hole of the die core seat.

Further, the moving and carrying mechanism comprises a pneumatic finger and an air cylinder for driving the pneumatic finger to move, the X-direction air cylinder is fixed on one side of a support, the support is formed by integrally casting a cross beam and a pair of stand columns, the pair of stand columns are distributed at positions, close to two ends, of the cross beam, an alarm lamp is installed at the top of the cross beam, a mounting plate is fixed at the bottom of the cross beam, a buffer is installed at one end of the mounting plate, a third slide rail is arranged at the bottom of the mounting plate, a third slide block is arranged on the third slide rail in a sliding mode, a connecting block is installed at the bottom of the third slide block, a second connecting seat is installed on one side of the connecting block and connected with a piston rod of the X-direction air cylinder, a third Z-direction air cylinder is installed at the bottom of the connecting block, a piston rod of the third Z-direction air, the sliding chute is obliquely arranged below the pneumatic finger and is fixed on the support.

The second technical solution adopted by the present invention to solve the above technical problems is as follows:

a forming method of a pipe port forming device comprises the following steps:

the first step, the left hand wheel and the right hand wheel are simultaneously rotated manually, the left screw and the right screw push the left baffle and the right baffle to move along with the rotation of the hand wheels, so that the distance between the left baffle and the right baffle is adjusted to be matched with the length of a pipe, a plurality of pipes are placed in the accommodating tank, the servo motor is started, the two stirring blocks are driven to rotate by the shaft coupling to drive the shaft, the pipes in the accommodating tank are stirred by the stirring blocks and sequentially slide down to the slide way extension part, when the pipes are sensed by the second proximity sensor, the second proximity sensor sends signals to the PLC controller, the PLC controller receives the signals and then controls the second Z to move upwards towards the cylinder piston rod, the second L-shaped baffle is pushed to ascend to a designated position to block the pipes, when the pipes are sensed by the first proximity sensor, the first proximity sensor sends the signals to the PLC controller, the PLC controller receives the signal and then controls the first Z-direction cylinder piston rod to move upwards to push the first L-shaped baffle plate to ascend to a designated position and stop the following pipe from advancing, and meanwhile, the PLC controller controls the second Z-direction cylinder piston rod to move downwards and the pipe slides onto the L-shaped supporting plate.

Secondly, the third proximity sensor senses the material, the third proximity sensor sends a signal to the PLC, the PLC receives the signal and controls the X-direction cylinder to act, a piston rod of the X-direction cylinder pushes the third sliding block and a component arranged on the third sliding block to move, the pneumatic finger is enabled to move right above the L-shaped supporting plate, the third Z direction cylinder is ventilated, the second connecting plate and the pneumatic finger are pushed to move downwards, the pneumatic finger is enabled to move downwards to the position of the pipe, the pipe is clamped through pneumatic finger action, the third Z direction cylinder is ventilated, the second connecting plate and the pneumatic finger are driven to move upwards to the initial position, the X direction cylinder acts, the third sliding block and the component installed on the third sliding block are pushed to move right above a clamping die of the clamping die component, the third Z direction cylinder is ventilated, the second connecting plate and the pneumatic finger are pushed to move downwards, and the pipe is conveyed to the position of the clamping die.

And thirdly, simultaneously operating the oil cylinders on two sides of the clamping die seat, pushing the clamping die mounting seat and the clamping dies to move by piston rods of the oil cylinders, clamping the pipe by the two clamping dies, loosening the pipe by a pneumatic finger, driving a second connecting plate and the pneumatic finger to move upwards to an initial position by a third Z-direction cylinder, moving a first hydraulic cylinder by the piston rods of the first hydraulic cylinder, pushing a movable plate and a component arranged on the movable plate to move towards the clamping die component, enabling the punching die to contact with the end surface of the pipe, continuously pushing the punching die by the piston rods of the first hydraulic cylinder, enabling the outer diameter of the punching die to enter one end of the pipe, punching the port of the pipe by utilizing the conical surface part of the punching die, and extruding one port of the pipe.

And fourthly, the third hydraulic cylinder acts, a piston rod of the third hydraulic cylinder pushes the third bottom plate and the component arranged on the third bottom plate to move towards the die clamping component, so that the die core is inserted into the other end of the pipe, the piston rod of the third hydraulic cylinder acts to push the punching block to move downwards, so that the male die on the punching block is contacted with the pipe, the piston rod of the third hydraulic cylinder continues to push the punching block, the conical surface part of the punching block punches the pipe, and the other end of the pipe is pressed into a flat groove shape.

And fifthly, after the machining is finished, the third Z-direction cylinder acts to push the second connecting plate and the pneumatic finger to move downwards, so that the pneumatic finger moves downwards to the position of the formed pipe, the pneumatic finger clamps the formed pipe, the oil cylinders on two sides of the die clamping seat work simultaneously, the piston rods of the cylinders push the die clamping installation seat and the die clamping seat to move, so that the two die clamping molds loosen the formed pipe, the X-direction cylinder acts to push the third sliding block and the component installed on the third sliding block to move, so that the pneumatic finger moves right above the sliding material groove, the third Z-direction cylinder acts to push the second connecting plate and the pneumatic finger to move downwards, so that the pneumatic finger moves to the position of the sliding material groove, the pneumatic finger acts to loosen the formed pipe, the formed pipe slides onto the sliding material groove and then slides onto a finished product area through the sliding material groove, and all the mechanisms reset.

According to the invention, the distance between the left baffle and the right baffle can be adjusted according to the length of the pipe by arranging the feeding mechanism, so that the pipe port forming device can simultaneously meet the forming processing of pipes with different lengths, and the practicability of the device is improved; according to the pipe port forming device, pipes in the accommodating groove are fed one by one through the feeding mechanism, then the pipes are conveyed to the punching mechanism through the transferring mechanism, the pipe is clamped by the clamping die assembly, the pipe port punching assembly and the plane punching assembly are used for forming and processing the pipe port, and after the processing is finished, the transferring mechanism is used for blanking the formed pipes; in its whole working process, operating personnel only need regularly add tubular product to the holding tank in, and need not to carry out the material loading and the unloading operation of tubular product one by one, compares prior art, and this scheme can show the intensity of labour who alleviates operating personnel, improves the shaping machining efficiency.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of a tube port forming apparatus according to the present invention;

FIG. 2 is a perspective view of a feeding mechanism of the tube port forming device of the present invention;

FIG. 3 is a side view of a feed mechanism of the tube port forming device of the present invention;

FIG. 4 is a sectional view A-A of FIG. 3;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;

FIG. 6 is a schematic structural view of a punching mechanism of the tube port forming device of the present invention;

FIG. 7 is a schematic structural view of a tube end punching assembly of the tube end forming device of the present invention;

FIG. 8 is a top view of a tube port punch assembly of the tube port forming apparatus of the present invention;

FIG. 9 is a left side view of a tube end punch assembly of the tube end forming device of the present invention;

FIG. 10 is a cross-sectional view taken at C-C of FIG. 8;

FIG. 11 is a schematic view of a die structure of the tube end forming device of the present invention;

FIG. 12 is a top view of a clamp die assembly of the tube port forming apparatus of the present invention;

FIG. 13 is a cross-sectional view taken along line D-D of FIG. 12;

FIG. 14 is a cross-sectional view E-E of FIG. 12;

FIG. 15 is a perspective view of a punch assembly of the tube port forming apparatus of the present invention;

FIG. 16 is a sectional view taken along line F-F of FIG. 15;

FIG. 17 is a top view of a transfer mechanism of the tube port forming apparatus of the present invention;

FIG. 18 is a sectional view taken along line G-G of FIG. 17;

fig. 19 is a schematic view of the structure of the pipe after molding.

In the drawings:

1. frame 2, feed mechanism 201, base

202. Left fixing plate 203, right fixing plate 204 and left baffle

205. Right baffle 206, slide 207, first baffle

208. Opening 209, first connecting plate 210, guide block

211. Slideway extension 212, inclined plate 213, bracket

214. A first Z-direction cylinder 215, a second Z-direction cylinder 216 and a first lifting block

217. A first L-shaped baffle plate 218, a second lifting block 219 and a second L-shaped baffle plate

220. Top plate 221, left fixing seat 222, left screw rod

223. Left hand wheel 224, left connecting seat 225, left linear bearing

226. Left guide shaft 227, servo motor 228 and coupling

229. Shaft 230, kickoff block 231, first proximity sensor

232. Second proximity sensor 233, right fixing seat 234 and right screw

235. Right hand wheel 236, right connecting seat 237 and right linear bearing

238. Right guide shaft 239, L-shaped supporting plate 240 and second baffle

241. Third proximity sensor 3, punching mechanism 31, pipe port punching assembly

3101. First slide rail 3102, first slider 3103, and movable base

3104. Moving plate 3105, first connecting base 3106, and die transition plate

3107. First key groove 3108, first flat key 3109, and second key groove

3110. Second flat key 3111, die mount 3112, through key groove

3113. First adjusting screw 3114, lug 3115, mill flat hole

3116. Die 3117, boss 3118, first hydraulic cylinder

3119. Front mounting seat 3120, back mounting seat 3121, first T-shaped nut

3122. First T type groove 3123, first bottom plate 3124, second T type nut

3125. A second T-shaped groove 3126, a second bottom plate 3127, a second adjusting screw

3128. Screw rod support 32, die clamping assembly 3201 and die base

3202. Oil cylinder 3203, oil cylinder joint 3204 and screw rod

3205. Die clamping mounting seat 3206, dovetail groove 3207 and dovetail protrusion

3208. Card slot 3209, clamping die 3210, clamping hole

33. Plane punching component 3301, second slide rail 3302, second slider

3303. Third bottom plate 3304, support 3305, dead plate

3306. Second hydraulic cylinder 3307, flange 3308, first push pedal

3309. Rectangular groove 3310, punch 3311, guide shaft

3312. Linear bearing 3313, hydraulic cylinder mounting 3314, and third hydraulic cylinder

3315. A second push plate 3316, a mold core holder 3317, and a third keyway

3318. Third flat key 3319, mold core 4, transfer mechanism

401. Pneumatic finger 402, X-direction cylinder 403 and cross beam

404. Upright column 405, alarm lamp 406 and mounting plate

407. Buffer 408, third slide rail 409 and third slide block

410. Connecting block 411, second connecting seat 412 and third Z-direction cylinder

413. Second connecting plate 414, sliding material groove 5 and operation panel

6. Workbench 7, electrical cabinet 8 and forming pipe

81. Flat groove 82, flare

Detailed Description

The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention.

Referring to fig. 1, a pipe port forming device includes a frame 1, a feeding mechanism 2, a punching mechanism 3, a transfer mechanism 4, an operation panel 5, a workbench 6, and an electrical cabinet 7, where the electrical cabinet 7 is installed on the frame 1, the workbench 6 is installed on the top of the electrical cabinet 7, the feeding mechanism 2, the punching mechanism 3, and the transfer mechanism 4 are installed on the workbench 6, the transfer mechanism 4 is installed on one side of the feeding mechanism 2, the punching mechanism 3 is installed below the transfer mechanism 4, the operation panel 5 is further installed on the workbench 6, the operation panel 5 is connected to an input end of a PLC controller, an output end of the PLC controller is connected to each mechanical component of the device, and the PLC controller receives a control instruction of the operation panel 5 to control the operation of each mechanical component of the device.

Referring to fig. 2-5, the feeding mechanism 2 includes a base 201 fixed on the worktable 6, a left fixing plate 202 and a right fixing plate 203 are symmetrically arranged on two sides of the base 201, a left baffle 204 and a right baffle 205 are arranged between the left fixing plate 202 and the right fixing plate 203, the inner bottoms of the left baffle plate 204 and the right baffle plate 205 are respectively provided with a slide way 206 which is arranged in a downward inclination way, a first baffle 207 which is vertically arranged is arranged on the inner side of each of the left baffle 204 and the right baffle 205, the left baffle 204, the right baffle 205, the slideway 206 and the first baffle 207 form a containing groove for containing the pipe, the opening 208 that supplies tubular product to pass through is seted up to the holding tank bottom, left side baffle 204 the first connecting plate 209 of outside extension is all installed to right baffle 205 bottom, two the inboard of first connecting plate 209 all is provided with guide block 210 and slide 206 and outwards extends.

Claims

1. A forming method based on a pipe port forming device is characterized by comprising the following steps:

firstly, a left hand wheel (223) and a right hand wheel (235) are manually rotated simultaneously, along with the rotation of the hand wheels, a left screw rod (222) and a right screw rod (234) push a left baffle (204) and a right baffle (205) to move, so that the distance between the left baffle (204) and the right baffle (205) is adjusted to be matched with the length of a pipe, a plurality of pipes are placed in a containing tank, a servo motor (227) is started, a shaft (229) is driven to rotate through a coupler (228), two material stirring blocks (230) also rotate along with the left baffle and the right baffle, the pipes in the containing tank sequentially slide onto a slideway extension part (211) through the material stirring blocks (230), when the second proximity sensor (232) senses the pipes, the second proximity sensor (232) sends signals to a PLC controller, the PLC controller controls a second Z to move upwards towards a piston rod of an air cylinder (215) after receiving the signals, promote second L shape baffle (219) and rise to the assigned position, block tubular product, when first proximity sensor (231) sensed tubular product, first proximity sensor (231) with signal transmission to PLC controller, PLC controller receives the first Z of control after the signal and goes upward to cylinder (214) piston rod, promote first L shape baffle (217) and rise to the assigned position, it advances to block follow tubular product, PLC controller control second Z is down to cylinder (215) piston rod simultaneously, tubular product landing is on L shape layer board (239).

Secondly, the third proximity sensor (241) senses materials, the third proximity sensor (241) sends signals to the PLC, the PLC receives the signals and then controls the X-direction cylinder (402) to act, the X-direction cylinder (402) pushes the third sliding block (409) and components mounted on the third sliding block (409) to move, so that the pneumatic finger (401) moves right above the L-shaped supporting plate (239), the third Z-direction cylinder (412) is ventilated, the second connecting plate (413) and the pneumatic finger (401) are pushed to move downwards, the pneumatic finger (401) moves downwards to the position of a pipe, the pneumatic finger (401) acts to clamp the pipe, the third Z-direction cylinder (412) is ventilated, the second connecting plate (413) and the pneumatic finger (401) are driven to move upwards to the initial position, the X-direction cylinder (402) acts, the third sliding block (409) and components mounted on the third sliding block (409) are pushed to move right above a clamping die (3209) of the die clamping component (32) And the third Z-direction air cylinder (412) is ventilated to push the second connecting plate (413) and the pneumatic finger (401) to move downwards so as to convey the pipe to the position of the clamping die (3209).

Thirdly, oil cylinders (3202) on two sides of the die clamping seat (3316) work simultaneously, a piston rod of the oil cylinder pushes the die clamping installation seat (3205) and the die clamping seat (3209) to move, so that the two clamping dies (3209) clamp the pipe, the pneumatic finger (401) loosens the pipe, the third Z-direction air cylinder (412) acts to drive the second connecting plate (413) and the pneumatic finger (401) to move upwards to the initial position, the first hydraulic cylinder (3118) acts, the piston rod of the mould clamping device pushes the moving plate (3104) and the assembly arranged on the moving plate (3104) to move towards the mould clamping assembly (32), the die (3116) is contacted with the end surface of the pipe, the piston rod of the first hydraulic cylinder (3118) continues to push the die (3116) to make the outer diameter of the die (3116) enter one end of the pipe, and punching the tube end by using the tapered portion of the die (3116) to extrude three flares (82) at the tube end in the circumferential direction.

Fourthly, the third hydraulic cylinder (3314) moves, a piston rod of the third hydraulic cylinder pushes the third bottom plate (3303) and the component mounted on the third bottom plate (3303) to move towards the die clamping component (32), so that the die core (3319) is inserted into the other end of the pipe (8), the third hydraulic cylinder (3314) moves, a piston rod of the third hydraulic cylinder pushes the punch block (3310) to move downwards, a convex die on the punch block (3310) is made to contact with the pipe (8), the piston rod of the third hydraulic cylinder (3314) continues to push the punch block (3310), the conical surface part of the punch block (3310) punches the pipe, and the other end of the pipe is pressed into a flat groove (82) shape.

Fifthly, after the processing is finished, a third Z-direction air cylinder (412) acts to push a second connecting plate (413) and a pneumatic finger (401) to move downwards to enable the pneumatic finger (401) to move downwards to the position of a formed pipe (8), the pneumatic finger (401) clamps the formed pipe (8), oil cylinders (3202) on two sides of a die clamping seat (3316) work simultaneously, a piston rod of the pneumatic finger (401) pushes a die clamping installation seat (3205) and a die clamping (3209) to move so that two die clamping (3209) release the formed pipe (8), an X-direction air cylinder (402) acts to push a third sliding block (409) and a component arranged on the third sliding block (409) to move so that the pneumatic finger (401) moves right above a material sliding groove (414), a third Z-direction air cylinder (412) acts to push a second connecting plate (413) and the pneumatic finger (401) to move downwards to enable the pneumatic finger (401) to move to the position of the material sliding groove (414), the pneumatic finger (401) acts to loosen the formed pipe (8), the formed pipe (8) slides to the sliding groove (414), then slides to the finished product area through the sliding groove (414), and all mechanisms reset.