CN109513837B - PIN needle material belt quick connection tool and application method thereof - Google Patents
PIN needle material belt quick connection tool and application method thereof Download PDFInfo
- Publication number
- CN109513837B CN109513837B CN201811603056.0A CN201811603056A CN109513837B CN 109513837 B CN109513837 B CN 109513837B CN 201811603056 A CN201811603056 A CN 201811603056A CN 109513837 B CN109513837 B CN 109513837B
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- 239000000463 material Substances 0.000 title claims abstract description 166
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000004080 punching Methods 0.000 claims description 34
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000002354 daily effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
Abstract
The invention discloses a PIN needle material belt quick connection tool and a method, and relates to the technical field of stamping dies. The automatic production line has the advantages of improving the production efficiency of the full-automatic line, saving the switching work and time and improving the utilization rate of materials.
Description
Technical Field
The invention relates to the technical field of stamping dies, in particular to a quick connection tool and method for PIN needle material belts.
Background
When the full-automatic assembly line of gear box shell is produced, the material loading of its PIN needle is on the whole dish, and whole automatic production line has four PIN needle material area, and any one material area is used up and is all shut down to change on the new material area dish, and the material area takes seven minutes on average every time to change, installs ten times daily on average, and the material area is used for changing to the 100 minutes of taking every day to shut down like this, and the product is not produced. Productivity of the automation line is greatly compromised and return on investment is reduced.
Most of stamping dies in the prior art adopt a beveling feeding mode, a section of material belt exceeding the length of the stamping die is required to be left when the material belt is subjected to material replacement, the unfinished stamping material belt is manually pulled out, holes are required to be found again for positioning when the material is replaced, a single-action mode is carried out to send a new material belt to the stamping die, then starting production can be carried out, the process influences production, and the metal material belt is wasted.
Therefore, there is a need for a device that can quickly connect material strips to reduce the daily downtime of the material strip, and improve the production efficiency and material utilization of the automation line.
Disclosure of Invention
The invention aims to provide a linking device of a needle splicing belt, which is used for solving the technical problems.
The technical scheme adopted by the invention is as follows:
the PIN needle material belt quick connection tool comprises a stamping die, wherein a material belt inlet is formed in one side of the stamping die, a material belt outlet is formed in the other side of the stamping die, a punching and riveting device is arranged on one side of the material belt inlet, and the punching and riveting device comprises a workbench, a punching and riveting die, a material supporting plate, a first material belt inlet and a second material belt inlet;
the upper end of the workbench is provided with the material supporting plate, one end, far away from the stamping die, of the material supporting plate is provided with the first material belt inlet, and one end, close to the stamping die, of the material supporting plate is provided with the second material belt inlet;
the middle position of the upper end of the workbench is provided with a first groove, and the punching and riveting die is arranged in the first groove.
Preferably, the punching and riveting die comprises an upper die, a lower die and a material belt channel, wherein the upper die comprises an upper die base, a male die connecting plate, a male die gasket and a male die which are sequentially connected from top to bottom, the lower die comprises a lower die base, a female die fixing plate and a female die which are sequentially connected from bottom to top, and the material belt channel is arranged between the upper die and the lower die.
As a further preferred aspect, the upper die further includes a first punch, a second punch, and a first rivet, the first through hole, a third through hole, and a second through hole are sequentially formed in the upper die from the first material strip inlet to the second material strip inlet, the first through hole and the second through hole respectively sequentially penetrate through the punch and the punch pad, the third through hole is formed in the lower end of the punch, the first punch is slidably disposed in the first through hole, the second punch is slidably disposed in the second through hole, the first rivet is disposed in the third through hole, the lower die further includes a second rivet, a fourth through hole is formed in the upper end of the lower die, the fourth through hole penetrates through the die, and the second rivet is disposed in the fourth through hole.
As a further preferred aspect, the first rivet head is disposed between the first punch and the second punch.
As a further preferable mode, the die further comprises positioning needles, a plurality of fifth through holes are uniformly formed in the upper end of the die from the first material belt inlet to the second material belt inlet, one positioning needle is arranged in each fifth through hole, the lower ends of the positioning needles are fixed at the bottoms of the fifth through holes, the upper ends of the positioning needles protrude out of the fifth through holes, a plurality of insertion holes are formed in the lower end of the male die, and each insertion hole is opposite to each fifth through hole.
Preferably, the system also comprises an inductor, a warning lamp and a CPU processor;
the upper end of workstation is equipped with the second recess, wherein, the second recess is close to first material area entry, the inductor is fixed to be set up in the second recess, the warning light with the CPU treater sets up one side of workstation, the inductor with CPU treater signal connection, the CPU treater with warning light signal connection.
As a further preferable mode, the die further comprises a plurality of positioning holes, wherein the positioning holes are arranged on the die, and the positioning holes surround the outer edge of the fourth through hole.
Preferably, the shape of the table is rectangular.
The application method of the PIN needle material belt quick connection tool comprises the following steps of:
s1, the driving device controls the upper die to move upwards;
s2, manually moving the tail part of the second material belt to enable the tail part of the second material belt to enter the punching and riveting die, and simultaneously manually moving the head part of the first material belt to enable the head part of the first material belt to enter the punching and riveting die;
s3, fixing the first material belt and the second material belt by positioning needles on the female die respectively;
s4, the driving device controls the upper die to move downwards, the first punch punches the head part of the first material belt, and the second punch punches the tail part of the second material belt;
s5, the driving device controls the upper die to move upwards, and the tail part of the second material belt and the head part of the first material belt are moved manually continuously, so that the tail part of the second material belt and the head part of the first material belt after punching enter a positioning hole for positioning;
s6, the driving device controls the upper die to move downwards, and the first riveting head and the second riveting head rivet the head of the first material belt and the tail of the second material belt together;
s7, the driving device controls the upper die to move upwards, and simultaneously, the material supporting plate is moved upwards manually, so that the first material belt and the second material belt are separated from the positioning needle, and the punching die drives the riveted first material belt and second material belt to leave the punching and riveting die;
s8, the sensor senses the length of the first material belt and outputs a length signal of the first material belt to the CPU processor, the CPU processor receives the length signal and judges whether the length signal is smaller than a specified length, and if yes, the CPU processor controls the warning lamp to give an alarm.
The technical scheme has the following advantages or beneficial effects:
(1) According to the invention, through punching and riveting technologies, two material belts are connected together during material changing, seamless butt joint is realized in a non-stop state, and switching work and time are saved.
(2) According to the invention, the tail part of the fed material belt and the head part of the material belt to be fed are embedded, so that each roll of tail material belt is not wasted, and the utilization rate of materials is ensured.
(3) According to the invention, the multi-section material belts are connected into one material belt, and the machine does not need to be stopped when punching is performed, so that the production efficiency of a full-automatic line is improved, and the daily production efficiency can be improved by about 5%.
Drawings
FIG. 1 is a schematic structural view of a PIN needle material strap quick connection tool in the invention;
FIG. 2 is a longitudinal cross-sectional view of a die-cut riveting device in a PIN needle material strap quick connection tool of the present invention;
fig. 3 is a schematic structural diagram of a PIN strip quick connection tool according to the present invention before a first strip enters a punching and riveting die;
fig. 4 is a schematic structural diagram of a PIN strip quick connection tool according to the present invention after a first strip enters a punching and riveting die for punching;
fig. 5 is a schematic structural diagram of a PIN strip quick connection tool according to the present invention before a second strip enters a punching and riveting die;
fig. 6 is a schematic structural diagram of a PIN strip quick connection tool according to the present invention after a second strip enters a punching and riveting die;
fig. 7 is a schematic structural diagram of a PIN strip quick connection tool according to the present invention, in which a first strip and a second strip enter a punching and riveting die to be riveted after punching.
Fig. 8 is a process flow chart of a method for using the PIN strip quick connection tool of the present invention.
In the figure: 1. stamping die; 2. a material belt inlet; 3. punching and riveting devices; 4. a work table; 5. punching and riveting a die; 6. a material supporting plate; 7. a first web inlet; 8. a second web inlet; 9. a first groove; 10. an upper die; 11. a lower die; 12. an upper die holder; 13. a male die connecting plate; 14. a male die pad; 15. A male die; 16. a lower die holder; 17. a female die fixing plate; 18. a female die; 19. a first punch; 20. a second punch; 21. a first rivet joint; 22. a second rivet joint; 23. a positioning needle; 24. a second groove; 25. An inductor; 26. a warning light; 27. a first material belt; 28. and a second material belt.
Detailed Description
The invention is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
Examples
As can be seen from fig. 1 to 8, the PIN strip quick connection tool provided by the invention comprises a stamping die 1, wherein a strip inlet 2 is arranged on one side of the stamping die 1, and a strip outlet (not shown in the figure) is arranged on the other side of the stamping die 1. Wherein, be located the one side of material area import 2 and be equipped with die-cut riveting set 3, die-cut riveting set 3 is including being rectangular workstation 4, die-cut riveting set 5, hold in the palm flitch 6, first material area entry 7, second material area entry 8.
Wherein, the upper end of workstation 4 is equipped with holds in the palm flitch 6, holds in the palm flitch 6 and can make the reciprocating motion of upper end relative workstation 4 in the upper and lower direction, holds in the palm the one end that keeps away from stamping die 1 on the flitch 6 and is equipped with first material and takes entry 7, holds in the palm the one end that is close to stamping die 1 on the flitch 6 and is equipped with second material and takes entry 8. The upper end intermediate position of workstation 4 is equipped with first recess 9, is equipped with die-cut riveting die 5 in the first recess 9. The first strip inlet 7 serves as an inlet for the first strip 27 into the tray 6, the first strip 27 being the strip to be fed, and the second strip inlet 8 serves as an inlet for the second strip 28 into the tray 6, the second strip 28 being the strip that has been fed. When the die-cut riveting die is used, the first material belt 27 is manually moved, so that the head of the first material belt 27 enters the material supporting plate 6 through the first material belt inlet 7 and enters the die-cut riveting die 5 along the material supporting plate 6 to be die-cut, the second material belt 28 is manually moved, and the tail of the second material belt 28 enters the material supporting plate 6 through the second material belt inlet 8 and enters the die-cut riveting die 5 along the material supporting plate 6 to be die-cut. The inside of holding in the palm flitch 6 is hollow structure, holds in the palm and is equipped with the sixth through-hole on the flitch 6, and the sixth through-hole is just right with first recess 9, and the shape of sixth through-hole matches with the shape of first recess 9, and die-cut riveting die 5's upper end stretches out in the sixth through-hole.
Further, as a preferred embodiment, the piercing riveting die 5 includes an upper die 10, a lower die 11 and a material-passing channel (not shown in the figure), and the upper die 10 includes an upper die holder 12, a punch connecting plate 13, a punch spacer 14 and a punch 15, which are sequentially connected from top to bottom. The lower die 11 comprises a lower die holder 16, a die fixing plate 17 and a die 18 which are sequentially connected from bottom to top, and a material belt channel is arranged between the upper die 10 and the lower die 11. The first and second webs 27, 28 can each pass through the web channel into the interior of the piercing riveting die 5.
Further, as a preferred embodiment, the upper die 10 further includes a first punch 19, a second punch 20, and a first rivet head 21. Wherein, the first through hole, the third through hole and the second through hole are sequentially arranged in the upper die 10 from the first material belt inlet 7 to the second material belt inlet 8. The first through hole and the second through hole sequentially penetrate through the male die 15 and the male die gasket 14, and the third through hole is formed in the lower end of the male die 15. The first punch 19 is slidably disposed in the first through hole, the second punch 20 is slidably disposed in the second through hole, and the first rivet head 21 is disposed in the third through hole. The lower die 11 further includes a second rivet 22, a fourth through hole is further disposed at the upper end of the lower die 11, the fourth through hole penetrates through the female die 18, and the second rivet 22 is disposed in the fourth through hole. The lower die 11 is further provided with a plurality of positioning holes (not shown in the figure), and the plurality of positioning holes surround the outer edge of the fourth through hole. The positioning holes may fix the head of the punched first tape 27 and the tail of the second tape 28. The first punch 19, the second punch 20, the first riveting head 21 and the second riveting head 22 are all vertically arranged, the first punch 19 punches the head of the first material belt 27, the second punch 20 punches the tail of the second material belt 28, and the first riveting head 21 and the second riveting head 22 rivet the punched first material belt 27 and the second material belt 28 into a whole. The upper end of the upper die 10 is connected with a driving device, and the driving device drives the upper die 10 to reciprocate in the up-down direction. The driving device is a booster cylinder.
Further, as a preferred embodiment, the first rivet joint 21 is disposed between the first punch 19 and the second punch 20, so that the punched first material strip 27 and the punched second material strip 28 enter the lower side of the first rivet joint 21 at the same time, and the accuracy of riveting can be improved.
Further, as a preferred embodiment, the punching and riveting die 5 further includes positioning pins 23, wherein a plurality of fifth through holes are uniformly formed in the upper end of the die 18 from the first material strip inlet 7 to the second material strip inlet 8, and each fifth through hole is provided with a positioning pin 23. The lower end of the positioning needle 23 is fixed at the bottom of the fifth through hole, the upper end of the positioning needle 23 protrudes out of the fifth through hole, the lower end of the male die 15 is provided with a plurality of jacks, and each jack is opposite to each fifth through hole. The positioning needle 23 can fix the positions of the first material belt 27 and the second material belt 28, so that the first material belt 27 and the second material belt 28 can be prevented from moving in position in the punching process, and the punching accuracy can be improved.
Further, as a preferred embodiment, the PIN strip quick connection tool further comprises an inductor 25, a warning light 26 and a CPU processor (not shown in the figure).
Further, as a preferred embodiment, the upper end of the workbench 4 is further provided with a second groove 24, wherein the second groove 24 is close to the first material belt inlet 7, an inductor 25 is fixedly arranged in the second groove 24, a warning lamp 26 and a CPU processor are respectively arranged at one side of the workbench 4, the inductor 25 is in signal connection with the CPU processor, and the CPU processor is in signal connection with the warning lamp 26. The sensor 25 is capable of sensing the length of the first material belt 27 and outputting a sensed length signal of the first material belt 27 to the CPU processor, which receives and determines the length signal of the first material belt 27. If the length of the first material belt 27 is judged to be smaller than the designated length, the CPU processor controls the warning lamp 26 to give an alarm to prompt an operator to take the material belt.
The application method of the PIN needle material belt quick connection tool comprises the following steps:
s1, the driving device controls the upper die 10 to move upwards.
S2, manually moving the tail of the second material belt 28 so that the tail of the second material belt 28 enters the punching and riveting die 5, and simultaneously manually moving the head of the first material belt 27 so that the head of the first material belt 27 enters the punching and riveting die 5.
S3, fixing the first material belt 27 and the second material belt 28 by the positioning needle 23 on the female die 18.
S4, the driving device controls the upper die 10 to move downwards, the first punch 19 punches the head of the first material belt 27, and the second punch 20 punches the tail of the second material belt 28.
S5, the driving device controls the upper die 10 to move upwards, and the tail part of the second material belt 28 and the head part of the first material belt 27 continue to move manually, so that the tail part of the punched second material belt 28 and the head part of the first material belt 27 enter into the positioning holes for positioning.
S6, the driving device controls the upper die 10 to move downwards, and the first riveting head 21 and the second riveting head 22 rivet the head of the first material belt 27 and the tail of the second material belt 28 together.
S7, the driving device controls the upper die 10 to move upwards, and meanwhile, the material supporting plate 6 is manually moved upwards, so that the first material belt 27 and the second material belt 28 are separated from the positioning needle 23, and the stamping die 1 drives the riveted first material belt 27 and second material belt 28 to leave the punching and riveting die 5.
S8, the sensor 25 senses the length of the first material belt 27 and outputs the sensed length signal to the CPU processor, the CPU processor receives the length signal and judges whether the length signal is smaller than the designated length, and if so, the CPU processor controls the warning lamp 26 to give an alarm.
The foregoing description is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present invention, and are intended to be included within the scope of the present invention.
Claims (7)
1. The PIN needle material belt quick connection tool comprises a stamping die, wherein one side of the stamping die is provided with a material belt inlet, and the other side of the stamping die is provided with a material belt outlet;
the upper end of the workbench is provided with the material supporting plate, one end, far away from the stamping die, of the material supporting plate is provided with the first material belt inlet, and one end, close to the stamping die, of the material supporting plate is provided with the second material belt inlet;
a first groove is formed in the middle of the upper end of the workbench, and the punching and riveting die is arranged in the first groove;
the punching and riveting die comprises an upper die, a lower die and a material belt channel, wherein the upper die comprises an upper die base, a male die connecting plate, a male die gasket and a male die which are sequentially connected from top to bottom, the lower die comprises a lower die base, a female die fixing plate and a female die which are sequentially connected from bottom to top, and the material belt channel is arranged between the upper die and the lower die;
the upper die further comprises a first punch, a second punch and a first rivet joint, a first through hole, a third through hole and a second through hole are sequentially formed in the upper die from a first material strip inlet to a second material strip inlet, the first through hole and the second through hole respectively penetrate through the male die and the male die gasket in sequence, the third through hole is formed in the lower end of the male die, the first punch is arranged in the first through hole in a sliding mode, the second punch is arranged in the second through hole in a sliding mode, the first rivet joint is arranged in the third through hole, the lower die further comprises a second rivet joint, a fourth through hole is formed in the upper end of the lower die, the fourth through hole penetrates through the female die, and the second rivet joint is arranged in the fourth through hole.
2. The PIN strip quick connect tooling of claim 1 wherein the first rivet head is disposed between the first punch and the second punch.
3. The PIN strip quick connection tool according to claim 2, further comprising positioning PINs, wherein a plurality of fifth through holes are uniformly formed in the upper end of the female die from the first strip inlet to the second strip inlet, one positioning PIN is respectively arranged in each fifth through hole, the lower end of each positioning PIN is fixed at the bottom of each fifth through hole, the upper end of each positioning PIN protrudes out of each fifth through hole, a plurality of insertion holes are formed in the lower end of the male die, and each insertion hole is opposite to each fifth through hole.
4. The PIN strip quick connect tooling of claim 3, further comprising an inductor, a warning light and a CPU processor;
the upper end of workstation is equipped with the second recess, wherein, the second recess is close to first material area entry, the inductor is fixed to be set up in the second recess, the warning light with the CPU treater sets up one side of workstation, the inductor with CPU treater signal connection, the CPU treater with warning light signal connection.
5. The PIN strip quick connect tooling of claim 4, further comprising a plurality of locating holes disposed on the female die and surrounding the periphery of the fourth through hole.
6. The PIN strip quick connect tooling of claim 5 wherein said table is rectangular in shape.
7. A method of using a PIN strip quick connect tooling, comprising the PIN strip quick connect tooling of claim 6, the PIN strip quick connect tooling having a drive arrangement, the method of using comprising:
s1, the driving device controls the upper die to move upwards;
s2, manually moving the tail part of the second material belt to enable the tail part of the second material belt to enter the punching and riveting die, and simultaneously manually moving the head part of the first material belt to enable the head part of the first material belt to enter the punching and riveting die;
s3, fixing the first material belt and the second material belt by positioning needles on the female die respectively;
s4, the driving device controls the upper die to move downwards, the first punch punches the head part of the first material belt, and the second punch punches the tail part of the second material belt;
s5, the driving device controls the upper die to move upwards, and the tail part of the second material belt and the head part of the first material belt are moved manually continuously, so that the tail part of the second material belt and the head part of the first material belt after punching enter a positioning hole for positioning;
s6, the driving device controls the upper die to move downwards, and the first riveting head and the second riveting head rivet the head of the first material belt and the tail of the second material belt together;
s7, the driving device controls the upper die to move upwards, and simultaneously, the material supporting plate is moved upwards manually, so that the first material belt and the second material belt are separated from the positioning needle, and the punching die drives the riveted first material belt and second material belt to leave the punching and riveting die;
s8, the sensor senses the length of the first material belt and outputs a length signal of the first material belt to the CPU processor, the CPU processor receives the length signal and judges whether the length signal is smaller than a specified length, and if yes, the CPU processor controls the warning lamp to give an alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811603056.0A CN109513837B (en) | 2018-12-26 | 2018-12-26 | PIN needle material belt quick connection tool and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811603056.0A CN109513837B (en) | 2018-12-26 | 2018-12-26 | PIN needle material belt quick connection tool and application method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109513837A CN109513837A (en) | 2019-03-26 |
| CN109513837B true CN109513837B (en) | 2024-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811603056.0A Active CN109513837B (en) | 2018-12-26 | 2018-12-26 | PIN needle material belt quick connection tool and application method thereof |
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| CN (1) | CN109513837B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001047323A (en) * | 1999-08-10 | 2001-02-20 | Tokai Rika Co Ltd | Method and device for caulking contact |
| CN102225446A (en) * | 2011-04-14 | 2011-10-26 | 蚌埠精禹精密机电科技有限公司 | Punching and riveting combined multistation progressive die of arc extinguish chamber |
| CN102274896A (en) * | 2011-07-14 | 2011-12-14 | 浙江理工大学 | Multi-station punching/assembling composite die |
| CN204018552U (en) * | 2014-08-29 | 2014-12-17 | 昆山昌禾精密电子有限公司 | A kind of double material strips decompressor |
| CN104441038A (en) * | 2013-09-16 | 2015-03-25 | 形状连接技术有限公司及两合公司 | Hole punch and method for piercing of work piece, and method for manufacturing hole punch |
| CN104525762A (en) * | 2015-01-09 | 2015-04-22 | 成都瑞垚电子有限公司 | Bimetallic material strip parallel feeding, riveting and coining device |
| CN209886509U (en) * | 2018-12-26 | 2020-01-03 | 上海戈冉泊精模科技有限公司 | Quick connect frock is taken to PIN needle material |
-
2018
- 2018-12-26 CN CN201811603056.0A patent/CN109513837B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001047323A (en) * | 1999-08-10 | 2001-02-20 | Tokai Rika Co Ltd | Method and device for caulking contact |
| CN102225446A (en) * | 2011-04-14 | 2011-10-26 | 蚌埠精禹精密机电科技有限公司 | Punching and riveting combined multistation progressive die of arc extinguish chamber |
| CN102274896A (en) * | 2011-07-14 | 2011-12-14 | 浙江理工大学 | Multi-station punching/assembling composite die |
| CN104441038A (en) * | 2013-09-16 | 2015-03-25 | 形状连接技术有限公司及两合公司 | Hole punch and method for piercing of work piece, and method for manufacturing hole punch |
| CN204018552U (en) * | 2014-08-29 | 2014-12-17 | 昆山昌禾精密电子有限公司 | A kind of double material strips decompressor |
| CN104525762A (en) * | 2015-01-09 | 2015-04-22 | 成都瑞垚电子有限公司 | Bimetallic material strip parallel feeding, riveting and coining device |
| CN209886509U (en) * | 2018-12-26 | 2020-01-03 | 上海戈冉泊精模科技有限公司 | Quick connect frock is taken to PIN needle material |
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| Publication number | Publication date |
|---|---|
| CN109513837A (en) | 2019-03-26 |
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