CN104624787B - Flattening trimming punching and clamping trimming waste material mechanism for pipe fitting - Google Patents

Flattening trimming punching and clamping trimming waste material mechanism for pipe fitting Download PDF

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Publication number
CN104624787B
CN104624787B CN201510068589.3A CN201510068589A CN104624787B CN 104624787 B CN104624787 B CN 104624787B CN 201510068589 A CN201510068589 A CN 201510068589A CN 104624787 B CN104624787 B CN 104624787B
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CN
China
Prior art keywords
pipe fitting
hole
punching
cutting
slide block
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CN201510068589.3A
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Chinese (zh)
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CN104624787A (en
Inventor
林寒暾
蔡子华
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厦门伊格特精密机械有限公司
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Priority to CN201510068589.3A priority Critical patent/CN104624787B/en
Publication of CN104624787A publication Critical patent/CN104624787A/en
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Publication of CN104624787B publication Critical patent/CN104624787B/en

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Abstract

The invention discloses a flattening trimming punching and clamping trimming waste material mechanism for a pipe fitting. The flattening trimming punching and clamping trimming waste material mechanism comprises a working table, the working table is provided with a pipe fitting supporting seat, the pipe fitting supporting seat is provided with an arc-shaped supporting groove matched with the pipe fitting, a clamping pressing block and a pushing pressing block which can move up and down are arranged on the pipe fitting supporting seat, an extrusion sliding block is installed on one side of the arc-shaped supporting groove, a fixed die matched with the extrusion sliding block is installed on the other side of the arc-shaped supporting groove, and a trimming punching sliding block is installed in the middle of the extrusion sliding block. A punching rod is fixed on the trimming punching sliding block, the fixed die is provided with a first abdicating hole and a second abdicating hole which are matched with the trimming punching sliding block and the punching rod, the pushing pressing block pushes the extrusion sliding block and the trimming punching sliding block to move in the direction perpendicular to the axis of the pipe fitting, an upper clamping block and a lower clamping block which can both move up and down are installed on the fixed die on the upper side and the lower side of the first abdicating hole, and a second returning pressure spring is installed between the upper clamping block and the lower clamping block and the fixed die. The flattening trimming punching and clamping trimming waste material mechanism is high in processing efficiency and reliable in motion, and the product specification is good after the processing.

Description

A kind of flattening edge-cutting and hole-punching of pipe fitting and clamping trimming waste material mechanism
Technical field
The present invention relates to the flattening edge-cutting and hole-punching of the former of pipe fitting, especially a kind of pipe fitting and clamping trimming scrap machine Structure.
Background technology
It is passenger car backrest skeleton 10a after a kind of molding shown in Fig. 1, its end 101a is by the U-tube part 1a of Fig. 2 The end Jing flattenings of arm, trimming, punching processing are formed, and existing process equipment needs tri- clamping workpieces of Jing and then carries out respectively Flattening, trimming, punching can just be completed, and its existing problem is that working (machining) efficiency is relatively low, and deviation easily occur in trimming, punching position, After processing, the specification of product is it is difficult to ensure that consistent.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of flattening edge-cutting and hole-punching of pipe fitting and clamping trimming waste material mechanism, It is high in machining efficiency, reliable in action, after processing, product specification is good.
To reach above-mentioned purpose, the technical scheme is that:A kind of flattening edge-cutting and hole-punching of pipe fitting is given up with clamping trimming Material mechanism, including workbench, workbench are provided with pipe fitting support base, and pipe fitting support base is provided with the arc being engaged with pipe fitting Support groove, is provided with clamping briquetting above pipe fitting support base and pushes briquetting;
The clamping briquetting lower surface is provided with the arc clamping recess being engaged with pipe fitting, clamps briquetting by the first actuator Drive is moved up and down, and is pushed briquetting and is moved up and down by the drive of the second actuator;
The curved support groove side of pipe fitting support base is equipped with along the extruding slide block perpendicular to the movement of pipe fitting axis, pipe fitting Support seat curved support groove opposite side is rushed equipped with a trimming equipped with the stent being engaged with extruding slide block, the centre for extruding slide block Hole slide block, stent are provided with the first resigning hole being engaged with edge-cutting and hole-punching slide block, between extruding slide block and pipe fitting support base Equipped with the first reseting pressuring spring;
It is equipped with the stent of the first resigning hole upper and lower sides and can moves up and down and corresponding upper fixture block and lower folder Block, is respectively arranged with the second reseting pressuring spring between upper fixture block and lower fixture block and stent;
Push briquetting be provided with the first pushing inclined-plane and second push inclined-plane, extruding slide block be provided with the first pressure-bearing inclined-plane with The first pushing inclined-plane is engaged, and edge-cutting and hole-punching slide block is provided with the second pressure-bearing inclined-plane and pushes inclined-plane matching with described second Close;
The jumper bar of one and pipe fitting axis perpendicular is fixed on the edge-cutting and hole-punching slide block, stent is provided with and jumper bar phase The second resigning hole for coordinating;
Be additionally provided with briquetting is pushed and the parallel push-and-pull projection in inclined-plane pushed with described second, set on edge-cutting and hole-punching slide block There is the gathering sill parallel with the second pressure-bearing inclined-plane, gathering sill is engaged with the push-and-pull projection;
When second actuator drives pushing briquetting to move down, the first pushing inclined-plane is first coordinated with the first pressure-bearing inclined-plane Promote extruding slide block movement to extrude pipe fitting, then push briquetting and continue to move down, the second pushing inclined-plane is held with second Pressure inclined-plane coordinates and promotes edge-cutting and hole-punching slide block to carry out edge-cutting and hole-punching, the edge-cutting and hole-punching slide block trimming waste material be pushed into upper fixture block and Clamp between lower fixture block, when the second actuator drives pushing briquetting to move up, the push-and-pull is raised to be matched with the gathering sill The dynamic punching slide block of crossed belt and jumper bar retreat return, and first reseting pressuring spring drives extruding slide block to reset.
Further improve, equipped with de- material component below workbench, the de- material component includes de- material cylinder and de- material Bar, material discharging rod pass through the centre of workbench and pipe fitting support base the curved support groove in pipe fitting support base, take off material cylinder Material discharging rod is driven to move up and down.Pipe fitting support base is conveniently lifted off the product after processing by de- material component, life is further improved Produce efficiency.
Further improve, be additionally provided with a positioning component on the table, positioning component includes positioning cylinder and at least one Locating piece, positioning cylinder drive locating piece to move up and down, and locating piece is provided with the detent being engaged with pipe fitting.By positioning Component is convenient to be processed prelocalization to pipe fitting.
Further improve, a vertical backup plate is also fixed on the workbench and is engaged with briquetting is pushed.Guarantee to push briquetting Mobile accuracy and there are enough extruding forces.
It is preferred that first actuator and the second actuator are oil cylinder.
Further improve, on the jumper bar, be cased with the 3rd reseting pressuring spring, the 3rd reseting pressuring spring is slided in the edge-cutting and hole-punching Between block and extruding slide block.Guarantee jumper bar reliability return and there is cushioning effect.
Further improve, material-dropping hole, material-dropping hole connection described first are provided with by the stent in pipe fitting support base Resigning hole and the second resigning hole, arrange a gripper shoe on pipe fitting support base, and a blanking cylinder, blanking gas are housed in gripper shoe Cylinder drives a blanking bar to move up and down, and blanking bar is engaged with the material-dropping hole.So as to the reliable waste material discharged after processing, prevent Impact of the waste material to processing.
Further improve, the centre of the curved support groove of the pipe fitting support base is provided with a pipe fitting position detection post, The detection post passes through pipe fitting support base and workbench and can move up and down, described to detect post and the position being arranged on below workbench Put sensor to be engaged to differentiate whether pipe fitting pushes down the detection post.Guarantee the accuracy of the front placement location of pipe fitting processing, prevent Only there is the appearance of waste product.
Further improve, the end face of the upper fixture block and lower fixture block is provided with lead-in chamfered and multiple folders being parallel to each other Groove.More preferably to clamp trimming waste material.
The present invention is engaged and pipe fitting is flattened by pushing briquetting, extruding slide block, fixed film, by pushing briquetting, Edge-cutting and hole-punching slide block, stent are to carrying out edge-cutting and hole-punching at the flattening of pipe fitting, while the waste material after trimming can pass through upper fixture block again Clamp with lower fixture block, prevent the drop curved support groove of pipe fitting support base of trimming waste material from affecting processing next time, therefore one Secondary clamping pipe fitting can just complete pipe fitting flattening, trimming and punching three process, high in machining efficiency, reliable in action, product after processing Specification is good.
Description of the drawings
Fig. 1 is a kind of passenger car backrest skeleton axonometric chart;
Fig. 2 is the axonometric chart of U-tube part before Fig. 1 molding;
Fig. 3 is axonometric chart of the present invention;
Fig. 4 is pipe fitting support base of the present invention with upper-part face upwarding stereogram;
Fig. 5 is the following partial top axonometric chart of gripper shoe of the present invention;
Fig. 6 is the top view of Fig. 5;
Fig. 7 is the A-A sectional views of Fig. 6;
Fig. 8 is the B-B sectional views of Fig. 6;
Fig. 9 is the C-C sectional views of Fig. 6;
Figure 10 is that the present invention pushes briquetting axonometric chart;
Figure 11 is the axonometric chart of upper fixture block of the present invention;
Figure 12 is the axonometric chart of stent of the present invention.
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Shown in Fig. 3 to Figure 12, flattening edge-cutting and hole-punching and the clamping trimming waste material mechanism of a kind of pipe fitting, including workbench 1, work Make platform 1 and be provided with pipe fitting support base 2, pipe fitting support base 2 is provided with the curved support groove 21 being engaged with pipe fitting 1a, in pipe fitting Clamping briquetting 3 is provided with above support base 2 and briquetting 4 is pushed;
3 lower surface of the clamping briquetting is provided with the arc clamping recess 31 being engaged with pipe fitting 1a, clamps briquetting 3 by first Actuator 30 drives and moves up and down, and pushes briquetting 4 and is moved up and down by the drive of the second actuator 40, and the first actuator 30 and second drives Moving part 40 is oil cylinder;
The extruding slide block 5 that 21 side of curved support groove of pipe fitting support base 2 is moved perpendicular to pipe fitting 1a axis equipped with edge, 2 curved support groove of pipe fitting support base, 21 opposite side extrudes the centre of slide block 5 equipped with the stent 6 being engaged with extruding slide block 5 Equipped with an edge-cutting and hole-punching slide block 7, stent 6 is provided with the first resigning hole 61 being engaged with edge-cutting and hole-punching slide block 7, extrudes slide block First reseting pressuring spring 8 is housed between 5 and pipe fitting support base 2;
It is equipped with the stent 6 of 61 upper and lower sides of the first resigning hole and can moves up and down and corresponding 9 He of upper fixture block Upper fixture block 10, is respectively arranged with the second reseting pressuring spring 11 between upper fixture block 9 and lower fixture block 10 and stent 6;
Push briquetting 4 and be provided with the first pushing inclined-plane 41 and the second pushing inclined-plane 42, extruding slide block 5 is provided with the first pressure-bearing Inclined-plane 51 is engaged with the described first pushing inclined-plane 41, and edge-cutting and hole-punching slide block 7 is provided with the second pressure-bearing inclined-plane 71 and described second Push inclined-plane 42 to be engaged;
Fix the jumper bar 12 of one and pipe fitting 1a axis perpendiculars on the edge-cutting and hole-punching slide block 7, stent 6 be provided with The second resigning hole 62 that jumper bar 12 is engaged;
Being additionally provided with briquetting 4 is pushed and the parallel push-and-pull projection 43 in inclined-plane 42 being pushed with described second, edge-cutting and hole-punching is slided Block 7 is provided with the gathering sill 72 parallel with the second pressure-bearing inclined-plane 71, and gathering sill 72 is engaged with the push-and-pull projection 43;
When second actuator 40 drives pushing briquetting 4 to move down, described first pushes inclined-plane 41 and the first pressure-bearing inclined-plane 51 first coordinate promotion extruding slide block 5 to move extrudes to pipe fitting 1a, then pushes briquetting 4 and continues to move down, and described second pushes Inclined-plane 42 and the second pressure-bearing inclined-plane 71 coordinate promotion edge-cutting and hole-punching slide block 7 and jumper bar 12 to carry out edge-cutting and hole-punching, the edge-cutting and hole-punching Slide block 7 is pushed into trimming waste material between upper fixture block 9 and upper fixture block 10 and clamps, and the second actuator 40 drives pushing briquetting 4 to move upwards When dynamic, the push-and-pull projection 43 is engaged with the gathering sill 72 and drives punching slide block and the retrogressing return of jumper bar 12, and described first Reseting pressuring spring 8 drives extruding slide block 5 to reset.
Include de- material cylinder 131 and material discharging rod equipped with de- material component 13, the de- material component 13 below workbench 1 132, material discharging rod 132 passes through the centre of workbench 1 and pipe fitting support base 2 the curved support groove 21 in pipe fitting support base 2, De- material cylinder 131 drives material discharging rod 132 to move up and down.
A positioning component 14 is additionally provided with workbench 1, positioning component 14 includes positioning cylinder 141 and three locating pieces 142, positioning cylinder 141 drives locating piece 142 to move up and down simultaneously, and locating piece 142 is provided with the positioning being engaged with pipe fitting 1a Groove 1421.
A vertical backup plate 15 is also fixed on the workbench 1 and is engaged with briquetting 4 is pushed.
Be cased with the 3rd reseting pressuring spring 16 on the jumper bar 12, the 3rd reseting pressuring spring 16 in the edge-cutting and hole-punching slide block 7 with Between extruding slide block 5.
Material-dropping hole 22 is provided with by the stent 6 in pipe fitting support base 2, material-dropping hole 22 connects first resigning hole 61 and second resigning hole 62, a gripper shoe 17 is set on pipe fitting support base 2, a blanking cylinder 18 is housed in gripper shoe 17, Blanking cylinder 18 drives a blanking bar 19 to move up and down, and blanking bar 19 is engaged with the material-dropping hole 22.
First actuator 30 and the second actuator 40 are respectively fixed in gripper shoe 17 by four root posts.
The centre of the curved support groove 21 of the pipe fitting support base 2 is provided with a pipe fitting position detection post 20, the inspection Survey post 20 to pass through pipe fitting support base and workbench and can move up and down, it is described to detect post 20 and the position being arranged on below workbench 1 Put sensor 201 to be engaged to differentiate whether pipe fitting 1a pushes down the detection post 20.
The lower surface of the upper fixture block 9 is provided with lead-in chamfered 92 and multiple clip slots 91 being parallel to each other.The lower fixture block 10 is identical with 9 structure of the upper fixture block.
The workflow of the present embodiment is as follows:
14 action of positioning component, positioning cylinder 141 drive three locating pieces 142 to move up, and pipe fitting 1a is placed on pipe Carry out on the curved support groove 21 of part support base 2 and by the locating slot 1421 on three locating pieces 142 of positioning component 14 Position, then the first actuator 30 drives clamping briquetting 3 to move down and pipe fitting 1a is clamped, and can now pass through two detections Whether accurately post 20 judges the placement location of pipe fitting 1a, it is determined that next step action is entered after accurately;
Then the second actuator 40 drives pushing briquetting 4 to move down, and when pushing briquetting 4 is moved down, pushes the institute on briquetting 4 Stating the first pushing inclined-plane 41 first coordinates promotion extruding slide block 5 to move to pipe fitting 1a with the first pressure-bearing inclined-plane 51 on extruding slide block 5 Extruded, a pipe fitting 1a flattening is engaged with stent 6 by extruding slide block 5, briquetting 4 is then pushed and is continued to move down, push On briquetting 4 described second pushes inclined-plane 42 and coordinates promotion edge-cutting and hole-punching with the second pressure-bearing inclined-plane 71 on edge-cutting and hole-punching slide block 7 Slide block 7 and jumper bar 71 are to carrying out edge-cutting and hole-punching at pipe fitting 1a flattenings;Punched scrap is cut by 22 blanking of material-dropping hole, trimming waste material Side punching slide block 7 is shifted onto, prevents trimming waste material from dropping the arc of pipe fitting support base 2 Impact on support groove 21 to next trimming processing, when the trimming waste material clamped between upper fixture block 9 and lower fixture block 10 reaches necessarily During amount, the trimming waste material of back is just from 22 blanking of material-dropping hole.
Blanking cylinder 18 can drive blanking bar 19 to be engaged with material-dropping hole 22 and carry out reliable blanking;
When the second actuator 40 drive push briquetting 4 move up when, push briquetting 4 on the push-and-pull projection 43 with it is described Gathering sill 72 is engaged drive edge-cutting and hole-punching slide block 7 and jumper bar 71 retreats return, and so latter two described first reseting pressuring spring 8 drives Extruding slide block 5 resets;
Finally, material 13 action of component is taken off, de- material cylinder 131 drives material discharging rod 132 to rise and product after processing is lifted off pipe fitting The curved support groove 21 of support base 2.
The above is only a preferred embodiment of the invention, the change that those skilled in the art is made to be equal to by claim Both fall within the protection domain of this case.

Claims (9)

1. a kind of flattening edge-cutting and hole-punching of pipe fitting and clamping trimming waste material mechanism, including workbench, it is characterised in that:On workbench Pipe fitting support base is provided with, pipe fitting support base is provided with the curved support groove being engaged with pipe fitting, above pipe fitting support base It is provided with clamping briquetting and pushes briquetting;
The clamping briquetting lower surface is provided with the arc clamping recess being engaged with pipe fitting, clamps briquetting and is driven by the first actuator Move up and down, push briquetting and moved up and down by the drive of the second actuator;
The curved support groove side of pipe fitting support base is equipped with along the extruding slide block perpendicular to the movement of pipe fitting axis, pipe fitting support base Curved support groove opposite side is slided equipped with an edge-cutting and hole-punching equipped with the stent being engaged with extruding slide block, the centre for extruding slide block Block, stent are provided with the first resigning hole being engaged with edge-cutting and hole-punching slide block, are equipped between extruding slide block and pipe fitting support base First reseting pressuring spring;
It is equipped with the stent of the first resigning hole upper and lower sides and can moves up and down and corresponding upper fixture block and lower fixture block, on The second reseting pressuring spring is respectively arranged between fixture block and lower fixture block and stent;
Push briquetting be provided with the first pushing inclined-plane and second push inclined-plane, extruding slide block be provided with the first pressure-bearing inclined-plane with it is described First pushing inclined-plane is engaged, and edge-cutting and hole-punching slide block is provided with the second pressure-bearing inclined-plane and is engaged with the described second pushing inclined-plane;
The jumper bar of one and pipe fitting axis perpendicular is fixed on the edge-cutting and hole-punching slide block, stent is provided with and is engaged with jumper bar The second resigning hole;
Be additionally provided with that to push the parallel push-and-pull in inclined-plane with described second raised on briquetting is pushed, edge-cutting and hole-punching slide block be provided with The parallel gathering sill in the second pressure-bearing inclined-plane, gathering sill are engaged with the push-and-pull projection;
When second actuator drives pushing briquetting to move down, the first pushing inclined-plane and the first pressure-bearing inclined-plane first coordinate promotion Extruding slide block movement is extruded to pipe fitting, is then pushed briquetting and is continued to move down, and the second pushing inclined-plane is oblique with the second pressure-bearing Face coordinates promotion edge-cutting and hole-punching slide block to carry out edge-cutting and hole-punching, and the edge-cutting and hole-punching slide block is pushed into upper fixture block and lower folder trimming waste material Clamp between block, when the second actuator drives pushing briquetting to move up, the push-and-pull is raised to be engaged band with the gathering sill Dynamic punching slide block and jumper bar retreat return, and first reseting pressuring spring drives extruding slide block to reset.
2. a kind of flattening edge-cutting and hole-punching of pipe fitting according to claim 1 and clamping trimming waste material mechanism, it is characterised in that: Include de- material cylinder and material discharging rod equipped with de- material component, the de- material component below workbench, material discharging rod passes through workbench The centre of the curved support groove with pipe fitting support base and in pipe fitting support base, de- material cylinder drive material discharging rod to move up and down.
3. a kind of flattening edge-cutting and hole-punching of pipe fitting according to claim 1 and clamping trimming waste material mechanism, it is characterised in that: A positioning component is additionally provided with the table, and positioning component includes positioning cylinder and at least one locating piece, and positioning cylinder drives Locating piece is moved up and down, and locating piece is provided with the detent being engaged with pipe fitting.
4. a kind of flattening edge-cutting and hole-punching of pipe fitting according to claim 1 and clamping trimming waste material mechanism, it is characterised in that: A vertical backup plate is also fixed on the workbench and is engaged with briquetting is pushed.
5. a kind of flattening edge-cutting and hole-punching of pipe fitting according to claim 1 and clamping trimming waste material mechanism, it is characterised in that: First actuator and the second actuator are oil cylinder.
6. a kind of flattening edge-cutting and hole-punching of pipe fitting according to claim 1 and clamping trimming waste material mechanism, it is characterised in that: The 3rd reseting pressuring spring is cased with the jumper bar, the 3rd reseting pressuring spring is between the edge-cutting and hole-punching slide block and extruding slide block.
7. a kind of flattening edge-cutting and hole-punching of pipe fitting according to claim 1 and clamping trimming waste material mechanism, it is characterised in that: Material-dropping hole is provided with by the stent in pipe fitting support base, material-dropping hole connects first resigning hole and the second resigning hole, A gripper shoe is set on pipe fitting support base, a blanking cylinder is housed in gripper shoe, blanking cylinder drives a blanking bar upper and lower Mobile, blanking bar is engaged with the material-dropping hole.
8. a kind of flattening edge-cutting and hole-punching of pipe fitting according to claim 1 and clamping trimming waste material mechanism, it is characterised in that: The centre of the curved support groove of the pipe fitting support base is provided with a pipe fitting position detection post, and the detection post is through pipe fitting Support seat and workbench and can move up and down, the detection post is engaged to differentiate with workbench location below sensor is arranged on Whether pipe fitting pushes down the detection post.
9. a kind of flattening edge-cutting and hole-punching of the pipe fitting according to any one of claim 1 to 8 and clamping trimming waste material mechanism, its It is characterised by:The end face of the upper fixture block and lower fixture block is provided with lead-in chamfered and multiple clip slots being parallel to each other.
CN201510068589.3A 2015-02-10 2015-02-10 Flattening trimming punching and clamping trimming waste material mechanism for pipe fitting CN104624787B (en)

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CN201510068589.3A CN104624787B (en) 2015-02-10 2015-02-10 Flattening trimming punching and clamping trimming waste material mechanism for pipe fitting

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Application Number Priority Date Filing Date Title
CN201510068589.3A CN104624787B (en) 2015-02-10 2015-02-10 Flattening trimming punching and clamping trimming waste material mechanism for pipe fitting

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CN104624787B true CN104624787B (en) 2017-04-19

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110202051A (en) * 2019-06-14 2019-09-06 杨立夸 A kind of processing method of full-automatic pipe process equipment and punching pipes indent
CN110421061B (en) * 2019-08-10 2021-02-05 无锡市普发精密机械有限公司 Correcting method of special-shaped automobile pipe position correcting and punching machine

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JP2001162334A (en) * 1999-12-08 2001-06-19 Honda Motor Co Ltd Press forming method for tubular member
EP1188498A2 (en) * 2000-09-12 2002-03-20 Denso Corporation Method and apparatus for making holes in a pipe
CN202539936U (en) * 2012-04-18 2012-11-21 佛山市顺德区鑫洲机电设备有限公司 Flattening, automatic alignment and cutting integrated forming machine of wire
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CN104138961A (en) * 2014-07-25 2014-11-12 冠达星股份有限公司 Pipe punching device
CN104275387A (en) * 2014-09-29 2015-01-14 南通福乐达汽车配件有限公司 Pipe fitting flattening and punching tool
CN204603012U (en) * 2015-02-10 2015-09-02 厦门伊格特精密机械有限公司 A kind of flattening edge-cutting and hole-punching and clamping trimming waste material mechanism of pipe fitting

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001162334A (en) * 1999-12-08 2001-06-19 Honda Motor Co Ltd Press forming method for tubular member
EP1188498A2 (en) * 2000-09-12 2002-03-20 Denso Corporation Method and apparatus for making holes in a pipe
CN202539936U (en) * 2012-04-18 2012-11-21 佛山市顺德区鑫洲机电设备有限公司 Flattening, automatic alignment and cutting integrated forming machine of wire
CN103372602A (en) * 2013-07-24 2013-10-30 宁波敏实汽车零部件技术研发有限公司 Special punching and flanging integrated machine for stainless steel bright strips of automobiles
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CN204603012U (en) * 2015-02-10 2015-09-02 厦门伊格特精密机械有限公司 A kind of flattening edge-cutting and hole-punching and clamping trimming waste material mechanism of pipe fitting

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