CN203791414U - Automatic bending device of chain U-shaped chain plates - Google Patents
Automatic bending device of chain U-shaped chain plates Download PDFInfo
- Publication number
- CN203791414U CN203791414U CN201420043988.5U CN201420043988U CN203791414U CN 203791414 U CN203791414 U CN 203791414U CN 201420043988 U CN201420043988 U CN 201420043988U CN 203791414 U CN203791414 U CN 203791414U
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- locating piece
- carrier bar
- shaped carrier
- lower module
- raw material
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- 238000005452 bending Methods 0.000 title claims description 35
- 239000002994 raw material Substances 0.000 claims description 55
- 239000000463 material Substances 0.000 claims description 35
- 230000007246 mechanism Effects 0.000 claims description 25
- 238000007599 discharging Methods 0.000 claims description 16
- 238000003825 pressing Methods 0.000 claims description 16
- 238000007790 scraping Methods 0.000 claims description 12
- 210000002421 cell wall Anatomy 0.000 claims description 4
- 238000004080 punching Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The utility model discloses an automatic bending device of chain U-shaped chain plates. The automatic bending device comprises a bending mechanism used for stamping the U-shaped chain plates and a feeding mechanism used for sending raw material plates of the U-shaped chain plates to the bending mechanism. The bending mechanism can achieve the functions of automatically and continuously sending raw materials to be processed, automatically popping up the raw materials, accurately locating the raw materials and automatically enabling the raw materials to be separated from molds, and the raw materials to be processed can be automatically and continuously conveyed to the feeding mechanism. After the automatic bending device is arranged on a punch press, the multiple chain U-shaped chain plates can be automatically and continuously fed, located, bent and unloaded, manual operation is replaced, the continuous and automatic degree of bending of the punch press is improved, and safety risks are reduced.
Description
Technical field
The utility model relates to a kind of pressing equipment, particularly the U-shaped carrier bar automatic pressing of a kind of chain bending apparatus.
Background technology
At present, the U-shaped carrier bar that farm machinery is used is used comparatively in extensive range, and the market demand is large.In the process of existing U-shaped carrier bar, U-shaped carrier bar deflection after press-bending operation is larger, people's work order press-bending workman is palpus manually load workpiece at every turn, and the manual discharging workpieces of palpus, not only production efficiency is lower, and labour intensity is large, unstable product quality, and security risk is high, be difficult to adapt to the competition requirement of produce market.
Utility model content
The purpose of this utility model is to overcome above shortcomings in prior art, and provides a kind of reasonable in design, the U-shaped carrier bar automatic pressing of chain bending apparatus.This automatic pressing bending apparatus can replace artificial continuous action to realize the steps such as feeding, location, press-bending, discharging in the press-bending operation of U-shaped carrier bar, thereby solves in existing process, and working (machining) efficiency is low, the problem that safety coefficient is poor.
The technical scheme in the invention for solving the above technical problem is:
The U-shaped carrier bar automatic pressing of a kind of chain bending apparatus, comprise for the bending mechanism of the U-shaped carrier bar of punching press with for the raw material plate of U-shaped carrier bar being sent into the feed mechanism of bending mechanism, wherein, bending mechanism comprises die bottom plate, upper module, lower module, jacking block, the first locating piece, the second locating piece, the first positioning hanger, the second positioning hanger and ejector spring, upper module is fixed on the drift of punch press, lower module, the first locating piece and the second locating piece are fixed on die bottom plate, in the inner cavity of lower module, set gradually from bottom to up ejector spring and jacking block, the both sides of lower module inner cavity arrange respectively the first locating piece, the second locating piece, the first positioning hanger, the second positioning hanger is separately fixed at the first locating piece, on the second locating piece, the first positioning hanger, from the both sides of lower module, the inner cavity to lower module extends the second positioning hanger respectively, the first locating piece is less than the width of the inner cavity of lower module to elongated end and second locating piece of the inner cavity extension of lower module to the distance between the elongated end of the inner cavity extension of lower module, the elongated end that the elongated end that the first positioning hanger extends to the inner cavity of lower module extends to the inner cavity of lower module apart from the height of the upper surface of lower module and the second positioning hanger is all greater than the height of U-shaped carrier bar after punch forming apart from the height of the upper surface of lower module, the upper level of the upper level of the first locating piece and the second locating piece is all higher than the upper level of lower module, on the first locating piece, adapt with the contact-making surface of raw material plate of U-shaped carrier bar and the shape of the raw material plate of U-shaped carrier bar, on the second locating piece, adapt with the contact-making surface of raw material plate of U-shaped carrier bar and the shape of the raw material plate of U-shaped carrier bar, feed mechanism comprises feeding cylinder, material platform, feeding push pedal and feed box, material platform is fixed on die bottom plate, feeding push pedal is arranged between material platform and feed box, feed box is provided with the holding tank of the raw material plate that holds U-shaped carrier bar, the straight-through material of this holding tank platform, feeding cylinder is arranged on die bottom plate, feeding cylinder promotes feeding push pedal and moves back and forth, the bottom surface of feed box is more than or equal to the thickness of the raw material plate of U-shaped carrier bar apart from the distance of material platform upper surface, the thickness of feeding push pedal is less than or equal to the thickness of the raw material plate of U-shaped carrier bar, the raw material plate that feeding push pedal promotes U-shaped carrier bar is on the inner cavity of lower module time, feeding push pedal, the first locating piece, the second locating piece is configured for the locating slot of the raw material plate of positioning U type carrier bar, the shape of the cell wall shape of this locating slot and the raw material plate of U-shaped carrier bar adapts, the first locating piece and the second locating piece integral type arrange.
As preferably, this automatic pressing bending apparatus also comprises that one for the shedding mechanism from bending mechanism loading and unloading material by the U-shaped carrier bar of bent into shape, described shedding mechanism comprises the cylinder that connects material, pneumatic gripping device, blanking slide, scraping wings and pusher cylinder, wherein, pneumatic gripping device is fixed with the piston rod of the cylinder that connects material, the piston rod of scraping wings and pusher cylinder is fixed, the air cylinder driven that connects material pneumatic gripping device moves back and forth between lower module and blanking slide, blanking slide comprises horizontal panel and the sloping desk being wholely set, pusher air cylinder driven scraping wings moves back and forth on horizontal panel.
As preferably, the bottom surface of feed box is greater than the thickness of the raw material plate of U-shaped carrier bar apart from the distance of material platform upper surface, and the thickness of feeding push pedal is less than the thickness of the raw material plate of U-shaped carrier bar.
As preferably, the canned paragraph that described the first positioning hanger, the second positioning hanger connect successively by integral type, vertically the section of setting and the section of being horizontally disposed with form, wherein the canned paragraph of the canned paragraph of the first positioning hanger, the second positioning hanger is fixed with the first locating piece and the second locating piece respectively, the end of the section of being horizontally disposed with that the elongated end that the first locating piece extends to the inner cavity of lower module is the first positioning hanger, the end of the section of being horizontally disposed with that the second locating piece is the second positioning hanger to the elongated end of the inner cavity extension of lower module.
As preferably, between the first locating piece, the second locating piece, be provided with the discharging inclined-plane lower than the first locating piece, the second locating piece, the width on discharging inclined-plane is greater than the width of U-shaped carrier bar after punch forming.Discharging inclined-plane, the first locating piece and the second locating piece integral type arrange.
As preferably, identical with the shape of the raw material plate appropriate section of U-shaped carrier bar with the contact-making surface of raw material plate of U-shaped carrier bar on described the first locating piece, identical with the shape of the raw material plate appropriate section of U-shaped carrier bar with the contact-making surface of raw material plate of U-shaped carrier bar on the second locating piece, it is identical with the shape of the raw material plate appropriate section of U-shaped carrier bar that feeding push pedal promotes the promotion face of raw material plate of U-shaped carrier bar.
The utility model compared with prior art, has the following advantages and effect:
1) by installing additional at punch press after this automatic pressing bending apparatus, can to the U-shaped carrier bar of a plurality of chains, carry out feeding, location, press-bending, discharging action by Automatic continuous, replaced manual operation, having evaded operator operates health at every turn and must enter the security risk in punching machine mold chamber, whole operation only needs operator to quantifying feed regularly in magazine, improve punch press press-bending serialization, automaticity, reduced security risk;
2) the first locating piece, the second locating piece and scraping wings position the raw material plate of U-shaped carrier bar, have improved machining accuracy, have solved the problem that artificial positioning precision is poor, efficiency is low and risk is high;
3) the first positioning hanger, the second positioning hanger, ejector spring and jacking block can be realized the smooth demoulding, have solved the problem of punching press demoulding difficulty.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the utility model embodiment.
Fig. 2 is the sectional structure schematic diagram of A-A in the utility model embodiment Fig. 1.
Fig. 3 is the utility model embodiment partial structurtes schematic diagrames.
Fig. 4 is the sectional structure schematic diagram of B-B in the utility model embodiment Fig. 3.
Fig. 5 is the structural representation of the utility model embodiment the first positioning hanger.
Fig. 6 is the structural representation of the U-shaped carrier bar of the utility model embodiment.
The specific embodiment
Below in conjunction with accompanying drawing and by embodiment, the utility model is described in further detail, and following examples are to explanation of the present utility model and the utility model is not limited to following examples.
Referring to Fig. 1-Fig. 6, the U-shaped carrier bar automatic pressing of the present embodiment chain bending apparatus comprises bending mechanism, feed mechanism and shedding mechanism, wherein, bending mechanism comprises die bottom plate 11, upper module 12, lower module 13, jacking block 14, the first locating piece 15, the second locating piece 16, the first positioning hanger 17, the second positioning hanger 18 and ejector spring 19, upper module 12 is fixed on the drift of punch press, lower module 13, the first locating piece 15 and the second locating piece 16 are fixed on die bottom plate 11, in the inner cavity of lower module 13, set gradually from bottom to up ejector spring 19 and jacking block 14, the both sides of lower module 13 inner cavities arrange respectively the first locating piece 15, the second locating piece 16, the first positioning hanger 17, the second positioning hanger 18 is separately fixed at the first locating piece 15, on the second locating piece 16.
The first positioning hanger 17, the canned paragraph 1781 that the second positioning hanger 18 connects successively by integral type, vertically the section of setting 1782 and the section of being horizontally disposed with 1783 form, the canned paragraph 1781 of the first positioning hanger 17 wherein, the canned paragraph 1781 of the second positioning hanger 18 is fixing with the first locating piece 15 and the second locating piece 16 respectively, the section of being horizontally disposed with 1783 of the first positioning hanger 17, from the both sides of lower module 13, the inner cavity to lower module 13 extends the section of being horizontally disposed with 1783 of the second positioning hanger 18 respectively, the distance of the end of the end of the section of being horizontally disposed with 1783 of the first positioning hanger 17 and the section of being horizontally disposed with 1783 of the second positioning hanger 18 is less than the width of the inner cavity of lower module 13, thereby when upper module 12 rises, the end of the section of being horizontally disposed with 1783 of the first positioning hanger 17, the both sides of U-shaped carrier bar 4 after punch forming can be caught on respectively in the end of the section of being horizontally disposed with 1783 of the second positioning hanger 18, thereby realize fast demoulding.
The section of being horizontally disposed with 1783 of the first positioning hanger 17 is all greater than the height of U-shaped carrier bar 4 after punch forming apart from the height of the upper surface of lower module 13 apart from the height of the upper surface of lower module 13 and the section of being horizontally disposed with 1783 of the second positioning hanger 18, the setting of this height can prevent the end of the section of being horizontally disposed with 1783 of the first positioning hanger 17, U-shaped carrier bar 4 after punch forming is pushed down in the end of the section of being horizontally disposed with 1783 of the second positioning hanger 18, therefore can punch forming after U-shaped carrier bar 4 can be smoothly from the inner cavity of lower module 13 by spring ejection.
The raw material plate that feeding push pedal 23 promotes U-shaped carrier bar 4 is on the inner cavity of lower module 13 time, feeding push pedal 23, the first locating piece 15, the second locating piece 16 are configured for the locating slot of the raw material plate of positioning U type carrier bar 4, and the shape of the cell wall shape of this locating slot and the raw material plate of U-shaped carrier bar 4 adapts.The upper level of the upper level of the first locating piece 15 and the second locating piece 16 is all higher than the upper level of lower module 13, identical with the shape of the raw material plate appropriate section of U-shaped carrier bar 4 with the contact-making surface of raw material plate of U-shaped carrier bar 4 on the first locating piece 15, identical with the shape of the raw material plate appropriate section of U-shaped carrier bar 4 with the contact-making surface of raw material plate of U-shaped carrier bar 4 on the second locating piece 16, it is identical with the shape of the raw material plate appropriate section of U-shaped carrier bar 4 that feeding push pedal 23 promotes the promotion face of raw material plate of U-shaped carrier bar 4.Thereby at the raw material plate of U-shaped carrier bar 4 when being pushed to lower module 13, the first locating piece 15, the second locating piece 16 and scraping wings 34 are formed for the locating slot of the raw material plate of positioning U type carrier bar 4, and the cell wall shape of this locating slot has with the raw material plate shape locating surface identical or that part is identical of U-shaped carrier bar 4 and completes the location to the raw material plate of U-shaped carrier bar 4.As from the foregoing, at the raw material plate of U-shaped carrier bar 4, when being pushed to lower module 13, locating slot also can be located the raw material plate of U-shaped carrier bar 4 by a plurality of anchor points that are arranged on the first locating piece 15, the second locating piece 16 and scraping wings 34.
Between the first locating piece 15, the second locating piece 16, be provided with the discharging inclined-plane 110 lower than the first locating piece 15, the second locating piece 16, the width on discharging inclined-plane 110 is greater than the width of U-shaped carrier bar 4 after punch forming, after punch forming, U-shaped carrier bar 4 can pass through this discharging inclined-plane 110, leaves upper module 12.The first locating piece 15, the second locating piece 16 and discharging inclined-plane 110 are integral type structure.
Feed mechanism comprises feeding cylinder 21, material platform 22, feeding push pedal 23 and feed box 24, material platform 22 is fixed on die bottom plate 11, feeding cylinder 21 adopts two bar cylinders 21, feeding push pedal 23 is arranged between material platform 22 and feed box 24, feed box 24 is provided with the holding tank of the raw material plate that holds U-shaped carrier bar 4, the straight-through material of this holding tank platform 22, feeding cylinder 21 is arranged on die bottom plate 11, feeding cylinder 21 promotes feeding push pedal 23 and moves back and forth, the bottom surface of feed box 24 is more than or equal to the thickness of the raw material plate of U-shaped carrier bar 4 apart from the distance of material platform 22 upper surfaces, the thickness of feeding push pedal 23 is less than or equal to the thickness of the raw material plate of U-shaped carrier bar 4, thereby make only to limit the raw material plate of a U-shaped carrier bar 4 from the space between material platform 22 and feed box 24, to be transported to upper module 12 by the promotion of feeding push pedal 23.
Shedding mechanism comprises the cylinder 31 that connects material, pneumatic gripping device 32, blanking slide 33, scraping wings 34 and pusher cylinder 35, pneumatic gripping device 32 is fixed with the piston rod of the cylinder 31 that connects material, scraping wings 34 is fixed with the piston rod of pusher cylinder 35, the cylinder 31 that connects material drives pneumatic gripping device 32 to move back and forth between lower module 13 and blanking slide 33, blanking slide 33 comprises horizontal panel and the sloping desk being wholely set, and pusher cylinder 35 drives scraping wings 34 to move back and forth on horizontal panel.
The course of work of the utility model embodiment is as follows:
Workpiece first proper alignment in magazine, first feed mechanism starts, feeding cylinder 21 drives feeding push pedal 23, by in magazine the raw material plate of the U-shaped carrier bar 4 of below be pushed in the mold cavity of punch press, by locating slot, above lower module 13, being carried out accurately location clamps, upper module 12 presses down and bends, after completing, upper module 12 is up, jacking block 14 in lower module 13 ejects type carrier bar the inner cavity of lower module 13 through jacking block 14 springs, two the first positioning hanger 17 ends and the first positioning hanger 17 ends contact U-shaped carrier bar 4 upper side walls U-shaped carrier bar 4 are accurately retained in to lower module 13 tops, after completing once U-shaped carrier bar 4 press-bendings, shedding mechanism starts action, the cylinder 31 that connects material stretches out and drives pneumatic material grasping hand, after the cylinder 31 that connects material puts in place, pneumatic material grasping hand clamps U-shaped carrier bar 4 from both sides, cylinder 31 backhauls connect material after clamping, after resetting, pneumatic material grasping hand unclamps workpiece, workpiece is fallen on horizontal panel, by discharging cylinder 21, drive discharging push pedal that U-shaped carrier bar 4 is finally fallen into charging basket along sloping desk 110 again, complete the press-bending operation of a U-shaped carrier bar 4.By the do action of said mechanism, thereby complete the feeding of the U-shaped carrier bar 4 of a plurality of chains, location, press-bending, discharging task.Above-described operation can be realized automatically and being controlled by single-chip microcomputer electrical system.
Above content described in this description is only to the explanation of the utility model example.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment; only otherwise depart from the content of the utility model description or surmount this scope as defined in the claims, all should belong to protection domain of the present utility model.
Claims (6)
1. the U-shaped carrier bar automatic pressing of a chain bending apparatus, it is characterized in that: comprise for the bending mechanism of the U-shaped carrier bar of punching press (4) with for the raw material plate of U-shaped carrier bar (4) being sent into the feed mechanism of bending mechanism, wherein, bending mechanism comprises die bottom plate (11), upper module (12), lower module (13), jacking block (14), the first locating piece (15), the second locating piece (16), the first positioning hanger (17), the second positioning hanger (18) and ejector spring (19), upper module (12) is fixed on the drift of punch press, lower module (13), the first locating piece (15) and the second locating piece (16) are fixed on die bottom plate (11), in the inner cavity of lower module (13), set gradually from bottom to up ejector spring (19) and jacking block (14), the both sides of lower module (13) inner cavity arrange respectively the first locating piece (15), the second locating piece (16), the first positioning hanger (17), the second positioning hanger (18) is separately fixed at the first locating piece (15), on the second locating piece (16), the first positioning hanger (17), from the both sides of lower module (13), the inner cavity to lower module (13) extends the second positioning hanger (18) respectively, the first locating piece (15) is less than the width of the inner cavity of lower module (13) to elongated end and second locating piece (16) of the inner cavity extension of lower module (13) to the distance between the elongated end of the inner cavity extension of lower module (13), the elongated end that the elongated end that the first positioning hanger (17) extends to the inner cavity of lower module (13) extends to the inner cavity of lower module (13) apart from the height of the upper surface of lower module (13) and the second positioning hanger (18) is all greater than the height of U-shaped carrier bar (4) after punch forming apart from the height of the upper surface of lower module (13), the upper level of the upper level of the first locating piece (15) and the second locating piece (16) is all higher than the upper level of lower module (13), feed mechanism comprises feeding cylinder (21), material platform (22), feeding push pedal (23) and feed box (24), material platform (22) is fixed on die bottom plate (11), feeding push pedal (23) is arranged between material platform (22) and feed box (24), feed box (24) is provided with the holding tank of the raw material plate that holds U-shaped carrier bar (4), the straight-through material of this holding tank platform (22), feeding cylinder (21) is arranged on die bottom plate (11), feeding cylinder (21) promotes feeding push pedal (23) and moves back and forth, the bottom surface of feed box (24) is more than or equal to the thickness of the raw material plate of U-shaped carrier bar (4) apart from the distance of material platform (22) upper surface, the thickness of feeding push pedal (23) is less than or equal to the thickness of the raw material plate of U-shaped carrier bar (4), the raw material plate that feeding push pedal (23) promotes U-shaped carrier bar (4) is on the inner cavity of lower module (13) time, feeding push pedal (23), the first locating piece (15), the second locating piece (16) is configured for the locating slot of the raw material plate of positioning U type carrier bar (4), the shape of the raw material plate of the cell wall shape of this locating slot and U-shaped carrier bar (4) adapts, the first locating piece (15) and the second locating piece (16) integral type setting.
2. the U-shaped carrier bar automatic pressing of chain according to claim 1 bending apparatus, it is characterized in that: this automatic pressing bending apparatus also comprises that one for the shedding mechanism from bending mechanism loading and unloading material by the U-shaped carrier bar (4) of bent into shape, described shedding mechanism comprises the cylinder that connects material (31), pneumatic gripping device (32), blanking slide (33), scraping wings (34) and pusher cylinder (35), wherein, pneumatic gripping device (32) is fixed with the piston rod of the cylinder (31) that connects material, scraping wings (34) is fixed with the piston rod of pusher cylinder (35), the cylinder (31) that connects material drives pneumatic gripping device (32) to move back and forth between lower module (13) and blanking slide (33), blanking slide (33) comprises horizontal panel and the sloping desk being wholely set, pusher cylinder (35) drives scraping wings (34) to move back and forth on horizontal panel.
3. the U-shaped carrier bar automatic pressing of chain according to claim 1 and 2 bending apparatus, it is characterized in that: the bottom surface of feed box (24) is greater than the thickness of the raw material plate of U-shaped carrier bar (4) apart from the distance of material platform (22) upper surface, the thickness of feeding push pedal (23) is less than the thickness of the raw material plate of U-shaped carrier bar (4).
4. the U-shaped carrier bar automatic pressing of chain according to claim 1 and 2 bending apparatus, it is characterized in that: described the first positioning hanger (17), the canned paragraph (1781) that the second positioning hanger (18) connects successively by integral type, vertically the section of setting (1782) and the section of being horizontally disposed with (1783) form, the canned paragraph (1781) of the first positioning hanger (17) wherein, the canned paragraph (1781) of the second positioning hanger (18) is fixing with the first locating piece (15) and the second locating piece (16) respectively, the first locating piece (15) is the end of the section of being horizontally disposed with (1783) of the first positioning hanger (17) to the elongated end of the inner cavity extension of lower module (13), the second locating piece (16) is the end of the section of being horizontally disposed with (1783) of the second positioning hanger (18) to the elongated end of the inner cavity extension of lower module (13).
5. the U-shaped carrier bar automatic pressing of chain according to claim 1 and 2 bending apparatus, it is characterized in that: between described the first locating piece (15), the second locating piece (16), be provided with the discharging inclined-plane (110) lower than the first locating piece (15), the second locating piece (16), the width on discharging inclined-plane (110) is greater than the width of U-shaped carrier bar (4) after punch forming, discharging inclined-plane (110), the first locating piece (15) and the second locating piece (16) integral type setting.
6. the U-shaped carrier bar automatic pressing of chain according to claim 1 and 2 bending apparatus, it is characterized in that: described the first locating piece (15) is upper identical with the shape of the raw material plate appropriate section of U-shaped carrier bar (4) with the contact-making surface of raw material plate of U-shaped carrier bar (4), the second locating piece (16) is upper identical with the shape of the raw material plate appropriate section of U-shaped carrier bar (4) with the contact-making surface of raw material plate of U-shaped carrier bar (4), and the promotion face of raw material plate that feeding push pedal (23) promotes U-shaped carrier bar (4) is identical with the shape of the raw material plate appropriate section of U-shaped carrier bar (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420043988.5U CN203791414U (en) | 2014-01-23 | 2014-01-23 | Automatic bending device of chain U-shaped chain plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420043988.5U CN203791414U (en) | 2014-01-23 | 2014-01-23 | Automatic bending device of chain U-shaped chain plates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203791414U true CN203791414U (en) | 2014-08-27 |
Family
ID=51373685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420043988.5U Withdrawn - After Issue CN203791414U (en) | 2014-01-23 | 2014-01-23 | Automatic bending device of chain U-shaped chain plates |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203791414U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103801595A (en) * | 2014-01-23 | 2014-05-21 | 杭州盾牌链条有限公司 | Automatic bending device for chain U-shaped link plate |
| CN108115038A (en) * | 2017-12-30 | 2018-06-05 | 何淳浩 | The locking system of pipe punching hole machine |
| CN110508643A (en) * | 2019-08-01 | 2019-11-29 | 宁波润爵科技有限公司 | A kind of plate bullodozer |
| CN112756521A (en) * | 2019-11-04 | 2021-05-07 | 中车沈阳机车车辆有限公司 | Flat split pin forming tool |
| CN112845776A (en) * | 2021-01-27 | 2021-05-28 | 重庆桥丰五金制造有限公司 | Punch press equipment convenient to processing production |
-
2014
- 2014-01-23 CN CN201420043988.5U patent/CN203791414U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103801595A (en) * | 2014-01-23 | 2014-05-21 | 杭州盾牌链条有限公司 | Automatic bending device for chain U-shaped link plate |
| CN108115038A (en) * | 2017-12-30 | 2018-06-05 | 何淳浩 | The locking system of pipe punching hole machine |
| CN110508643A (en) * | 2019-08-01 | 2019-11-29 | 宁波润爵科技有限公司 | A kind of plate bullodozer |
| CN110508643B (en) * | 2019-08-01 | 2021-05-04 | 宁波润爵科技有限公司 | Plate bending press |
| CN112756521A (en) * | 2019-11-04 | 2021-05-07 | 中车沈阳机车车辆有限公司 | Flat split pin forming tool |
| CN112845776A (en) * | 2021-01-27 | 2021-05-28 | 重庆桥丰五金制造有限公司 | Punch press equipment convenient to processing production |
| CN112845776B (en) * | 2021-01-27 | 2023-01-17 | 重庆桥丰五金制造有限公司 | Punch press equipment convenient to processing production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140827 Effective date of abandoning: 20150826 |
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| RGAV | Abandon patent right to avoid regrant |