CN105583283B

CN105583283B - Tubing round processing technology and process equipment

Info

Publication number: CN105583283B
Application number: CN201510975642.8A
Authority: CN
Inventors: 于洲
Original assignee: Zhejiang Taiyuntong Household Article And Gift Co ltd
Current assignee: Zhejiang Taiyuntong Household Article And Gift Co ltd
Priority date: 2015-12-22
Filing date: 2015-12-22
Publication date: 2018-06-26
Anticipated expiration: 2035-12-22
Also published as: CN105583283A

Abstract

The invention discloses a kind of tubing round processing technologys, include the following steps：A. it feeds；B. it is punched；C. it resets；D. it discharges.A kind of tubing round process equipment, including press machine, state press machine include pedestal, pressing block, driving pressing block move up and down force piece, press machine be equipped with punching die；Matrix is fixed on pedestal, loop bar is fixed on matrix, the cross through hole and longitudinal hole connected each other is provided on loop bar, the size position of cross through hole is matched with being punched hole on punching die, and the cooperation of loop bar gap is in the circular hole on punching die and at center of circular hole；The top surface of support plate one on punching die is fixed on pressing block, the bottom surface of support plate two on punching die is fixed on pedestal, pedestal, support plate two, one three's longitudinal direction of fixed block on punching die are provided with the channel interconnected, channel roof is connected with longitudinal hole, and the bottom of the channel is in communication with the outside.The present invention is efficient to punching pipes, precision is good.

Description

Tubing round processing technology and process equipment

Technical field

The present invention relates to a kind of parts machining process and its mechanical equipment, especially a kind of works for the processing of tubing round Skill and process equipment.

Background technology

Hollow tubular product radial aperture is processed as common processing method, and there are two types of processing methods in the prior art：One kind is Tubing is placed on drilling machine and is radially punched using certain point of the drill bit alignment tubing periphery on drilling machine, this mode efficiency is low, And bore equidistant hole sometimes for tubing is axially consecutive, this mode, the spacing accuracy between each hole is high；It is another Mode is directly punched out processing with punching machine, and punching press is from top to bottom carried out using punch die, and since tubing is hollow form, tubing is pressure-resistant Force difference so bore edges recess can occur for the hole rushed out significantly, influences the size in aperture, precision is very poor, for precision prescribed Compare high occasion, do not apply to.

202356497 U of Chinese utility model patent CN disclose a kind of heavy duty detergent punching pipes machine, the heavy duty detergent tubing Perforating press includes blanking apparatus, and blanking apparatus is made of cylindrical core mold, core model housing, push-pull rod and punch, push-pull rod and column One end connection of shape core model, cylindrical core mold are located in core model housing, and the side wall of core model housing is equipped with punch die hole, cylindrical core mold Side is provided with surface groove, and punch top pressure is on surface groove and in punch die hole；The hole that this perforating press is rushed out from inside to outside Outer ledge in hole can form spine, need further to use spine progress grinding process using sander, increase Operational sequence increases entreprise cost.

Invention content

It can be efficient, with high accuracy to punching pipes the invention solves one kind the shortcomings that the above-mentioned prior art, is provided Tubing round processing technology and process equipment, meet that manufacturing enterprise is i.e. efficient for the production of tubing round and precision is high Demand.

The present invention solves the technical solution that its technical problem uses：This tubing round processing technology, includes the following steps：

A. it feeds：Until manually tubing is nested into loop bar and pushes tubing at matrix；

B. it is punched：Switch is pressed, starts force piece, the upper mold of punching die is pushed to move down rapidly, two in upper mold group push away Motion block quickly press it is corresponding press block, two groups press block and move and utilize towards relative direction respectively and are punched bar punching tubing, pipe Punched scrap on material, which is fallen at channel by longitudinal hole and passes through channel, falls to specified region；

C. it resets：After the completion of punching pipes, force piece automatically resets, and presses block compression and disappears, makes to press by elastic component Block reset, so as to be punched bar automatically reset be detached from cross through hole；

D. it discharges：After pressing block reset, hydraulic cylinder starts automatically, a pair of of the catch bar being fixed on hydraulic cylinder piston rod, It is limited by the guiding of circular hole, the tubing between circular hole and loop bar is pushed to be moved along the axis direction of circular hole, until handle Tubing is released at loop bar.

This tubing round process equipment includes pedestal including press machine, press machine, pressing block, drives above and below pressing block The force piece of movement, press machine are equipped with punching die；Punching die includes upper mold and the lower die below upper mold；Upper mold packet Support plate one, the pushing block being fixed on one bottom surface of support plate are included, pushing block is divided into two groups and is separately fixed at support plate one The both sides of bottom surface；Lower die includes support plate two, the fixed block one being fixed among two top surface of support plate, is provided with and passes through on fixed block one The circular hole of its front and rear end is worn, one group is provided on fixed block one, its left and right end face is set and run through along one length direction of fixed block Punching hole, punching hole and circular hole vertical connection set, are punched on hole and are plugged with punching bar, the outboard end for being punched bar is fixed with It places and presses block in support plate two, press and elastic component is installed between block and fixed block one；Pushing block bottom surface is inclined-plane one, Block top surface is pressed as inclined-plane two, inclined-plane one and inclined-plane relatively and are arranged in parallel about two；Matrix is fixed on pedestal, is consolidated on matrix Surely there is loop bar, the cross through hole and longitudinal hole connected each other is provided on loop bar, the section of longitudinal hole is more than the section of cross through hole, The size shape position of cross through hole is matched with punching hole, and the cooperation of loop bar gap is on circular hole and positioned at center of circular hole position；Branch The top surface of fagging one is fixed on pressing block, and the bottom surface of support plate two is fixed on pedestal, pedestal, support plate two, fixed block one Three's longitudinal direction, which is provided with, to be interconnected and section is more than the channel of longitudinal hole, and channel roof connects with longitudinal hole, the bottom of the channel It is in communication with the outside.Here the effect that punching hole is set with circular hole vertical connection is that tubing can be carried out laterally using bar is punched Punching；Here the effect that loop bar, loop bar are equipped with cross through hole is, when punching bar is punched out tubing, can to utilize set Bar is supported the hollow position of tubing, and the marginal trough for avoiding the hole for being punched out coming on tubing is excessive, influences precision；Here base Seat, support plate two, one three's longitudinal direction of fixed block are provided with the channel interconnected, and channel roof is connected with longitudinal hole, channel The be in communication with the outside effect of this setting of bottom is, when being punched bar tubing being punched, the waste material being punched out can pass through horizontal stroke To through-hole reach longitudinal hole at, due to longitudinal hole section be more than cross through hole, so be punched out come waste material can by with longitudinal direction The channel of hole connection is discharged to extraneous concentrate and stacks, and thus is avoided that this problem of blinking scrap blocking cross through hole, can make tubing It is continuous to replace processing, it does not need to waste time uninterruptedly to clear up blinking scrap, increases processing efficiency；Here the bottom of pushing block Face and the top surface for pressing block are that pushing block can press the longitudinal direction for pressing block for the effect of the setting on inclined-plane one and inclined-plane two Power, a part, which resolves into, laterally urges power, can utilize the pressure of force piece in this way, quickly be laterally urged to pressing block It is punched the effect of tubing；Here the effect that inclined-plane one and inclined-plane two are arranged in parallel is that pushing block is made to be that face connects to pressing block force Tactile, when to avoid pushing block with pressing block be that line contacts, pushing block pushes away the motionless situation for pressing block, can also reduce pushing block and pressure The frictional dissipation of motion block；What pushing block also can be one group here is fixed on the bottom surface of support plate one (each fixation for pushing block gap On the bottom surface of support plate one), the Unilateral-hole available for punching tubing side；Here the effect of elastic component is, for pressing block When losing pressure, the effect of block reset is pressed；Here force piece is hydraulic cylinder.

Further perfect, the angle between inclined-plane one and horizontal plane is 50 ° of settings.Here it is pressed from both sides between inclined-plane one and horizontal plane The effect of the 50 ° of settings in angle is to find that the setting that the angle between inclined-plane one and horizontal plane is 50 ° can make promotion by experiment Resistance is moderate when block pushes, and pushing block and the frictional resistance that presses between block are moderate, and the distance that moves down of pushing block makes to press The distance of punching bar punching tubing on block is moderate, the punching state so as to be optimal.

Further perfect, the relative position for pressing block is fixed with fixed block two, and one group is provided on fixed block two through its top The limiting slot in face, bottom surface and medial surface presses block and is plugged on limiting slot.Here the effect of fixed block two is for pressing block Front-rear direction limits, and in this way when pushing block promotion presses block and moves left and right, pressing block will not be moved forward and backward and cause punching bar Subtle alternating bending and cause the situation of fracture (since inclined-plane one and inclined-plane two cannot be guaranteed absolutely to put down in processing Row so when pushing block promotion presses block and moves left and right, can be caused to press block and be moved towards front and rear direction, can cause to be punched in this way The repeatedly subtle bending of bar and generate fatigue of materials state, can cause to press block over time and is produced from the junction being punched between bar The situation of raw crackle, it is serious to be broken, influence to use).

It is further perfect, the limit hole laterally set is provided on fixed block one, limit hole is arranged in parallel with punching hole, presses The gag lever post being plugged on limit hole is fixed on the inside of block.Here the effect of limit hole and gag lever post is further to keep away Exempt to press block compression and the situation of front and rear subtle movement, guarantee are punched the service life of bar, have to punching bar or so guiding shifting Dynamic effect.

Further perfect, elastic component is rubber spring.Here elastic component is that the effect of rubber spring setting is, due to rubber Spring service life is long, at low cost, and reset capability is strong, it is possible to punching bar be avoided to be stuck in the punching irreducible feelings in hole Condition；Here steel spring also can be selected in elastic component.

It is further perfect, rectangular block is fixed on the top surface of pushing block, the bottom surface of support plate one is provided with to be coordinated with rectangular block Fall rectangular recess, support plate one be equipped with installation pushing block fastener, between pushing block and support plate one weld setting.This In push away rectangular block, fall rectangular recess, fastener three setting effect be subsequent welding for the pre-installation of pushing block It prepares；Here the effect that pushing block is welded in support plate one is that pushing block can be firmly fixed to be fixed on support plate one On, prevent pushing block from pushing the situation for pressing block and pushing block being caused to be fallen at support element one for a long time；Fastener one can also Play the role of further strengthening pushing block to be fixed at support element one.

Further perfect, the lateral surface of each pushing block is welded with cross bar, and the both ends of cross bar are fixed with extension block, extension block weldering It is connected in support plate one.Here the effect of cross bar and extension block is, has barrier effect when can be lateral stressed to pushing block, can be with The junction between pushing block and support plate one is further avoided to strengthen pushing block there is a situation where being broken and be fixed on support element one It is upper that (since the bottom surface of pushing block is inclined-plane, pushing block understands some horizontal force and acts on promotion when promotion presses block At block).

Further perfect, punching bar front end face is the spheric of recess.Here the effect of spheric is, in punching bar punching When cutting out tubing, it is that line contacts that can make the front end face of punching bar and tubing, and such tubing stress is maximum, and punching is fast, Er Qiechong It is minimum to determine the bore edges recess come, tubing extracts effortlessly that (during punching pipes, the edge in hole has part-structure from loop bar It is recessed into cross through hole, smaller, tubing easier extraction from loop bar so bore edges are recessed).

Further perfect, the relative position of matrix is equipped with hydraulic cylinder, and a pair is fixed on the piston rod of hydraulic cylinder and is set relatively The catch bar put, catch bar are arc-shaped, and the circular hole through matrix two sides is provided on matrix, and catch bar coordinates in circular hole Locate, the size shape location matches between the size shape position of circular hole and circular hole and loop bar, it is dynamic that control is fixed on pedestal The switch of power part and hydraulic cylinder.Here the effect of arc-shaped catch bar and hydraulic cylinder setting is, for being sleeved on loop bar Tubular object extruding it is good after, release the effect of tubing；Here the effect of circular hole is, for the work of catch bar guiding, front and rear limiting With.

The invention has the advantages that：Smart structural design of the present invention, rationally, can be realized using punching die to tubing Laterally punching, is punched the waste material to get off and can fall to specified region by longitudinal hole and channel and handled, will not be clogging Cross through hole on loop bar can uninterruptedly feed to tubing, processed, be extracted in this way, increase processing efficiency, and circular arc The catch bar of shape can push tubing to deviate from from loop bar, reduce laborious, increase processing efficiency during artificial extraction tubing, worth It promotes and applies.

Description of the drawings

Fig. 1 is the structural diagram of the present invention；

Fig. 2 is the A-A diagrammatic cross-sections of Fig. 1；

Fig. 3 is the B area partial enlarged view of Fig. 2；

Fig. 4 is the C-C sectional views of Fig. 2；

Fig. 5 is the stereogram of punching die of the present invention；

Fig. 6 is fundamental diagram when punching die is punched tubing；

Fig. 7 is the D regions partial enlarged view of Fig. 6；

Fig. 8 is the principle sketch of tube stamping.

Reference sign：Press machine 1, pedestal 1-1, matrix 1-1a, circular hole 1a-1a, pressing block 1-2, force piece 1- 3, punching die 2, upper mold 2-1, support plate one 2-1a, the 2a-1a of falling rectangular recess, pushing block 2-1b, one 2a-1b of inclined-plane, rectangle Block 2b-1b, fastener 2-1c, cross bar 2-1d, extension block 2a-1d, lower die 2-2, two 2-2a of support plate, one 2-2b of fixed block, circle Hole 2a-2b is punched hole 2b-2b, limit hole 2c-2b, is punched bar 2-2d, and spheric 2a-2d presses block 2-2e, two 2a- of inclined-plane 2e, gag lever post 2b-2e, elastic component 2-2f, fixed block two 2-2g, limiting slot 2a-2g, loop bar 3, cross through hole 3-1, longitudinal hole 3- 2, hydraulic cylinder 4, catch bar 5, switch 6, tubing 7, channel a.

Specific embodiment

The invention will be further described below in conjunction with the accompanying drawings：

With reference to attached drawing：This tubing round processing technology, includes the following steps：

A. it feeds：Manually tubing 7 is nested into loop bar 3 and until pushing tubing 7 at matrix 1-1a；

B. it is punched：Switch 6 is pressed, starts force piece 1-3, the upper mold 2-1 of punching die 2 is pushed to move down rapidly, upper mold 2- Two groups of pushing block 2-1b on 1 quickly press it is corresponding press block 2-2e, two groups press block 2-2e and are moved respectively towards relative direction And utilize and be punched bar 2-2d punching tubing 7, the punched scrap on tubing 7 is fallen at channel a by longitudinal hole 3-2 and passed through logical Road a falls to specified region；

C. it resets：After the completion of 7 punching of tubing, force piece 1-3 automatically resets, and presses block 2-2e compressions and disappears, passes through elasticity Part 2-2f makes to press block 2-2e resets, and automatically reseting so as to being punched bar 2-2d is detached from cross through hole 3-1；

D. it discharges：After pressing block 2-2e resets, hydraulic cylinder 4 starts automatically, and a pair being fixed on 4 piston rod of hydraulic cylinder pushes away Lever 5 is limited by the guiding of circular hole 1a-1a, pushes tubing 7 between circular hole 2a-2b and loop bar 3 along circular hole 2a- The axis direction movement of 2b, is released until tubing 7 at loop bar 3.

This tubing round process equipment includes pedestal 1-1, pressing block 1-2, driving punching including press machine 1, press machine 1 The force piece 1-3 that briquetting 1-2 moves up and down, it is characterized in that：Press machine 1 is equipped with punching die 2；

Punching die 2 includes the upper mold 2-1 and lower die 2-2 below upper mold 2-1；Upper mold 2-1 includes one 2- of support plate 1a, the pushing block 2-1b being fixed on one 2-1a bottom surfaces of support plate, pushing block 2-1b are divided to for two groups and are separately fixed at support plate The both sides of one 2-1a bottom surfaces；Lower die 2-2 includes two 2-2a of support plate, the fixed block being fixed among two 2-2a top surfaces of support plate The circular hole 2a-2b through its front and rear end is provided on one 2-2b, one 2-2b of fixed block, one group of edge is provided on one 2-2b of fixed block One 2-2b length directions of fixed block set and run through the punching hole 2b-2b of its left and right end face, punching hole 2b-2b and circular hole 2a-2b Vertical connection is set, and is punched on the 2b-2b of hole and is plugged with punching bar 2-2d, and the outboard end of punching bar 2-2d, which is fixed with to place, is propping up Block 2-2e is pressed on two 2-2a of fagging, presses and elastic component 2-2f is installed between one 2-2b of block 2-2e and fixed block；Pushing block 2-1b bottom surfaces are one 2a-1b of inclined-plane, block 2-2e top surfaces are pressed as two 2a-2e of inclined-plane, on two 2a-2e of one 2a-1b of inclined-plane and inclined-plane It descends opposite and is arranged in parallel；

Matrix 1-1a is fixed on pedestal 1-1, loop bar 3 is fixed on matrix 1-1a, the horizontal stroke connected each other is provided on loop bar 3 To through-hole 3-1 and longitudinal hole 3-2, the section of longitudinal hole 3-2 is more than the section of cross through hole 3-1, the size shape of cross through hole 3-1 Shape position is matched with punching hole 2b-2b, and the cooperation of 3 gap of loop bar is on circular hole 2a-2b and positioned at circular hole 2a-2b centers；

The top surface of one 2-1a of support plate is fixed on pressing block 1-2, and the bottom surface of two 2-2a of support plate is fixed on pedestal 1-1 On, pedestal 1-1, two 2-2a of support plate, one 2-2b three's longitudinal direction of fixed block be provided with interconnect and section be more than longitudinal hole It is connected at the top of the channel a of 3-2, channel a with longitudinal hole 3-2, channel a bottoms are in communication with the outside.

Angle between one 2a-1b of inclined-plane and horizontal plane is 50 ° of settings.

The relative position for pressing block 2-2e is fixed with two 2-2g of fixed block, and one group is provided on two 2-2g of fixed block through its top The limiting slot 2a-2g in face, bottom surface and medial surface presses block 2-2e and is plugged on limiting slot 2a-2g.

The limit hole 2c-2b laterally set is provided on one 2-2b of fixed block, limit hole 2c-2b is parallel with punching hole 2b-2b Setting, presses the gag lever post 2b-2e for being fixed with and being plugged on limit hole 2c-2b on the inside of block 2-2e.

Elastic component 2-2f is rubber spring.

Rectangular block 2b-1b is fixed on the top surface of pushing block 2-1b, the bottom surface of one 2-1a of support plate is provided with and rectangular block 2b- The 2a-1a of falling rectangular recess of 1b cooperations, one 2-1a of support plate are equipped with the fastener 2-1c of installation pushing block 2-1b, pushing block Setting is welded between one 2-1a of 2-1b and support plate.

The lateral surface of each pushing block 2-1b is welded with cross bar 2-1d, and the both ends of cross bar 2-1d are fixed with extension block 2a-1d, prolong Block 2a-1d is stretched to be welded on one 2-1a of support plate.

It is punched the spheric 2a-2d that bar 2-2d front end faces are recess.

The relative position of matrix 1-1a is equipped with hydraulic cylinder 4, and pushing away for a pair of opposing is fixed on the piston rod of hydraulic cylinder 4 Lever 5, catch bar 5 are arc-shaped, and the circular hole 1a-1a through matrix 1-1a two sides, catch bar 5 are provided on matrix 1-1a Cooperation is at circular hole 1a-1a, the size shape between the size shape position of circular hole 1a-1a and circular hole 2a-2b and loop bar 3 Location matches are fixed with the switch 6 that control force piece 1-3 and hydraulic cylinder 4 move on pedestal 1-1.

In use, tubing 7 (being best suited for stainless steel pipe) is nested into loop bar 3, tubing 7 is pressed into, until tubing 7 Front end lean against at matrix 1-1a rear end faces, at this moment press switch 6, force piece 1-3 pushes the pushing block 2-1b on upper mold 2-1 It quickly moves down, pushes and press block 2-2e transverse shiftings on lower die 2-2, using bar 2-2d punching tubing 7 is punched, rush the waste material fallen Specified region is fallen to by longitudinal hole 3-2 and channel a, after punching, force piece 1-3 automatically resets, and drives upper mold 2-1 It resets, the block 2-2e compressions that press on lower die 2-2 disappear, and press block 2-2e and are resetted by elastic component 2-2f, so as to be punched bar 2- 2d be detached from loop bar 3 cross through hole 3-1 at and reset, at this moment, hydraulic cylinder 4 start (force piece 1-3 reset two seconds after hydraulic cylinder 4 start automatically), the axis direction that catch bar 5 pushes tubing 7 towards circular hole 2a-2b is driven to move, is worth and arrives tubing 7 at loop bar 3 It releases, then catch bar 5 resets again, 7 completion of processing of tubing；To process tubing 7 again, only need again tubing to be processed 7 are nested into loop bar 3, press switch 6 again, subsequent step is consistent with aforementioned.

Although the present invention is shown and described by reference to preferred embodiment, this profession ordinary skill Personnel can make various variation in form and details it is to be appreciated that in the range of claims.

Claims

1. a kind of tubing round process equipment includes pedestal (1-1), pressing block (1- including press machine (1), the press machine (1) 2), the force piece (1-3) that driving pressing block (1-2) moves up and down, it is characterized in that：The press machine (1) is equipped with punching die (2)；

Lower die (2-2) of the punching die (2) including upper mold (2-1) and below upper mold (2-1)；The upper mold (2-1) Including support plate one (2-1a), the pushing block (2-1b) being fixed on support plate one (2-1a) bottom surface, the pushing block (2-1b) It is divided into two groups and is separately fixed at the both sides of support plate one (2-1a) bottom surface；The lower die (2-2) including support plate two (2-2a), The fixed block one (2-2b) being fixed among support plate two (2-2a) top surface is provided with through it on the fixed block one (2-2b) The circular hole (2a-2b) of front and rear end is provided with one group on the fixed block one (2-2b) and is set along fixed block one (2-2b) length direction The punching hole (2b-2b) of its left and right end face is put and runs through, punching hole (2b-2b) sets with circular hole (2a-2b) vertical connection It puts, punching bar (2-2d) is plugged on punching hole (2b-2b), the outboard end of the punching bar (2-2d), which is fixed with, to be placed Block (2-2e) is pressed in support plate two (2-2a), described press is equipped with bullet between block (2-2e) and fixed block one (2-2b) Property part (2-2f)；Pushing block (2-1b) bottom surface is inclined-plane one (2a-1b), and inclined-plane two is in described block (2-2e) top surface that presses (2a-2e), the inclined-plane one (2a-1b) and inclined-plane two (2a-2e) relatively and are arranged in parallel up and down；

Matrix (1-1a) is fixed on the pedestal (1-1), loop bar (3), the loop bar (3) are fixed on the matrix (1-1a) On be provided with the cross through hole (3-1) connected each other and longitudinal hole (3-2), the section of the longitudinal hole (3-2) is more than cross through hole The section of (3-1), the size shape position of the cross through hole (3-1) are matched with punching hole (2b-2b), and the loop bar (3) is empty Gap cooperation is on circular hole (2a-2b) and positioned at circular hole (2a-2b) center；

The top surface of the support plate one (2-1a) is fixed on pressing block (1-2), and the bottom surface of the support plate two (2-2a) is fixed On pedestal (1-1), the pedestal (1-1), support plate two (2-2a), fixed block one (2-2b) three's longitudinal direction are provided with mutually Connection and section are more than the channel (a) of longitudinal hole (3-2), are connected at the top of the channel (a) with longitudinal hole (3-2), the channel (a) bottom is in communication with the outside；Described punching bar (2-2d) front end face is the spheric (2a-2d) of recess；Matrix (the 1- Relative position 1a) is equipped with hydraulic cylinder (4), and the catch bar of a pair of opposing is fixed on the piston rod of the hydraulic cylinder (4) (5), the catch bar (5) is arc-shaped, and the circular hole through matrix (1-1a) two sides is provided on the matrix (1-1a) (1a-1a), the catch bar (5) cooperation at circular hole (1a-1a), the size shape position of the circular hole (1a-1a) with Size shape location matches between circular hole (2a-2b) and loop bar (3) are fixed with control force piece (1- on the pedestal (1-1) 3) switch (6) moved with hydraulic cylinder (4)；Angle of the inclined-plane one (2a-1b) between horizontal plane is 50 ° of settings；It is described The relative position for pressing block (2-2e) is fixed with fixed block two (2-2g), and one group is provided on the fixed block two (2-2g) through it The limiting slot (2a-2g) of top surface, bottom surface and medial surface, the block (2-2e) that presses are plugged on limiting slot (2a-2g)；It is described solid Determine to be provided with the limit hole (2c-2b) laterally set on block one (2-2b), the limit hole (2c-2b) is flat with punching hole (2b-2b) Row setting, it is described to press the gag lever post (2b-2e) for being fixed with and being plugged on limit hole (2c-2b) on the inside of block (2-2e)；It is described Elastic component (2-2f) is rubber spring.

2. tubing round process equipment according to claim 1, it is characterized in that：It is solid on the top surface of the pushing block (2-1b) Surely there is rectangular block (2b-1b), the bottom surface of the support plate one (2-1a) is provided with the rectangular recess that falls with rectangular block (2b-1b) cooperation (2a-1a), the support plate one (2-1a) are equipped with the fastener (2-1c) of installation pushing block (2-1b), the pushing block (2- Setting 1b) is welded between support plate one (2-1a).

3. tubing round process equipment according to claim 2, it is characterized in that：The lateral surface of each pushing block (2-1b) Cross bar (2-1d) is welded with, the both ends of the cross bar (2-1d) are fixed with extension block (2a-1d), extension block (2a-1d) weldering It is connected in support plate one (2-1a).

4. the tubing round processing technology of tubing round process equipment according to claim 3, feature includes following step Suddenly：

A. it feeds：Manually tubing (7) is nested into loop bar (3) and until pushing tubing (7) at matrix (1-1a)；

B. it is punched：Switch (6) is pressed, starts force piece (1-3), the upper mold (2-1) of punching die (2) is pushed to move down rapidly, on Two groups of pushing blocks (2-1b) on mould (2-1) quickly press it is corresponding press block (2-2e), two groups press block (2-2e) court respectively Relative direction, which is moved and utilized, is punched bar (2-2d) punching tubing (7), and the punched scrap on tubing (7) passes through longitudinal hole (3-2) It falls to channel (a) place and passes through channel (a) and fall to specified region；

C. it resets：After the completion of tubing (7) punching, force piece (1-3) automatically resets, and presses block (2-2e) compression and disappears, passes through bullet Property part (2-2f) make to press block (2-2e) reset, automatically reseting so as to being punched bar (2-2d) is detached from cross through hole (3-1)；

D. it discharges：After pressing block (2-2e) reset, hydraulic cylinder (4) starts automatically, a pair being fixed on hydraulic cylinder (4) piston rod Catch bar (5) is limited by the guiding of circular hole (1a-1a), pushes the tubing between circular hole (2a-2b) and loop bar (3) (7) it moves along the axis direction of circular hole (2a-2b), is released at loop bar (3) until tubing (7).