CN112490820B - Machine tool machining process of connector metal piece - Google Patents
Machine tool machining process of connector metal piece Download PDFInfo
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- CN112490820B CN112490820B CN202011125658.7A CN202011125658A CN112490820B CN 112490820 B CN112490820 B CN 112490820B CN 202011125658 A CN202011125658 A CN 202011125658A CN 112490820 B CN112490820 B CN 112490820B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
Abstract
The invention discloses a machine tool machining process of a connector metal piece, which comprises a machine tool and a hydraulic rod, wherein the bottom of the inner wall of the machine tool is fixedly connected with a transmission box, two ends of the inner wall of the transmission box are respectively and rotatably connected with a first fixed shaft through bearings, and the surface of the first fixed shaft is fixedly connected with a first transmission wheel. According to the invention, when the movable plate downwards moves in a stamping manner, the movable plate drives the driving disc to rotate through the guide rod in cooperation with the second fixed rod, the second rotating ring, the connecting rod, the first rotating ring and the first fixed rod, the driving disc drives the driving roller to rotate through the second fixed shaft, and the driving roller drives the first driving belt to rotate in cooperation with the first movable groove, the driving rod and the driving lug, so that the position of the aluminum profile at the top of the first driving belt is changed, the moving process and the stamping process are synchronously carried out, and the device can realize the purposes of automatically moving materials and improving the working efficiency.
Description
Technical Field
The invention relates to the technical field of connector metal piece machining, in particular to a machine tool machining process of a connector metal piece.
Background
Electrical connectors have a wide range of applications and a wide variety of configurations. One type of connector is formed by injection molding a connector body and molding a metal terminal in a plastic-covered manner (hereinafter referred to as "plastic-covered molding"), and the terminal is referred to as a pin, a contact piece, or the like. The plastic-coated molding can enable the terminal to be firmly combined with the body, the electrical stability and the service life of a product are improved, and a metal piece of the connector needs to be punched before the connector is assembled.
However, in the prior art, when the stamping machine is in actual use, the material cannot be automatically moved, the stamping needs to wait for moving the stamped element away and moving the to-be-stamped part to the stamping station at one time, and the processing efficiency is greatly reduced.
Disclosure of Invention
The present invention is directed to a machine tool process for connector metal parts, which solves the above problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: including machine tool and hydraulic stem, the bottom fixedly connected with transmission case of machine tool inner wall, the both ends of transmission case inner wall are equallyd divide through the bearing and do not rotate and are connected with first fixed axle, the first drive wheel of fixed surface fixedly connected with of first fixed axle, the surface transmission of first drive wheel is connected with first driving belt, the inner wall fixedly connected with drive lug of first driving belt, the inner wall that the transmission case corresponds first driving belt position is rotated through the bearing and is connected with a plurality of second fixed axles, the middle part fixedly connected with drive roller of second fixed axle, first activity groove and second activity groove have been seted up respectively to the inside of drive roller, the inner wall swing joint in first activity groove has the actuating lever, actuating lever swing joint is at the inner wall of the corresponding drive lug position of first driving belt, and the one end fixedly connected with movable block of the corresponding second activity groove position of actuating lever, the movable block is movably connected to the inner wall of the second movable groove, one end of the movable block, which is far away from the position of the driving rod, is fixedly connected with a damping spring, the damping spring is fixedly connected to the inner wall of the second movable groove, any two second fixed shafts movably penetrate through and extend to the outside of the transmission case, one end of each second fixed shaft, which is far away from the position of the transmission case, is fixedly connected with a driving disc, a first fixed rod is fixedly connected to the eccentric position of one end of the driving disc, which is far away from the position of the second fixed shaft, the surface of the first fixed rod is rotatably connected with a first rotating ring through a bearing, the surface of the first rotating ring is fixedly connected with a connecting rod, one end of the connecting rod, which is far away from the position of the first rotating ring, is fixedly connected with a second rotating ring, the inner wall of the second rotating ring is rotatably connected with a second fixed rod through a bearing, and one end of the second fixed rod is fixedly connected with a guide rod, the middle part of the side face of the periphery of the first transmission wheel is provided with a groove, the inner wall of the groove is movably connected with the surface of the driving lug, the inside of the first movable groove is communicated with the inside of the second movable groove, and the first movable groove penetrates through the driving lug and extends to the outside of the driving roller.
Preferably, a third movable groove is formed in the top, corresponding to the first transmission belt, of the transmission case, the inner wall of the third movable groove is movably connected with the surface of the first transmission belt, a supporting plate is fixedly connected to the top, corresponding to the first transmission belt, of the transmission case, the supporting plate is movably connected to the middle of the top of the inner wall of the first transmission belt, a fourth movable groove is formed in the middle of the corresponding driving rod of the supporting plate, a second transmission wheel is fixedly connected to the front side end of the second fixed shaft, and a second transmission belt is connected to the surface of the second transmission wheel in a transmission mode.
Preferably, the hydraulic stem fixed connection is at the top of machine tool inner wall, the output fixedly connected with fly leaf of hydraulic stem, the bottom fixedly connected with punching press head of fly leaf, the quantity of guide bar is two, and two guide bars set up the both ends in the fly leaf bottom for symmetry axis symmetry about the vertical axis of fly leaf mid point.
Preferably, the surface of guide bar swing joint has the deflector, and the guide bar activity runs through and extends to the upper and lower both ends of deflector, the bottom fixedly connected with reset spring of the corresponding guide bar position of fly leaf, and reset spring activity cup joints the surface at the guide bar, reset spring fixed connection is at the top of deflector.
The invention also provides a machine tool machining process of the connector metal piece, which comprises the following steps:
s1: selecting materials and aluminum profiles;
s2: preparing materials, removing impurities on the surface of the aluminum profile in the step S1, and drying the cleaned aluminum profile;
s3: annealing, namely annealing the aluminum profile in the step S2;
s4: naturally cooling, namely moving the aluminum profile in the step S3 to room temperature for natural cooling;
s5: feeding, namely placing the aluminum profiles in the step S4 on a transmission belt at equal intervals for feeding;
s6: stamping, namely stamping the aluminum profile in the step S5;
s7: blanking and taking down the aluminum profile which is punched on the transmission belt in the step S6;
s8: cleaning, namely repeatedly heating and cooling the aluminum profile in the step S7 to clean the aluminum profile;
s9: and (5) deburring, namely grinding the aluminum profile in the step S8 to remove surface burrs, and finally finishing the manufacturing.
Preferably, the annealing temperature in the step S3 is 350 to 400 °, and the annealing time is 4 hours.
Preferably, the heating temperature in step S8 is 250 to 300 °, the heating time is 2 hours, the operation times in step S8 are three times, and the cooling temperature is room temperature.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, when the movable plate downwards moves in a stamping manner, the movable plate can drive the driving disc to rotate by matching the guide rod with the second fixed rod, the second rotating ring, the connecting rod, the first rotating ring and the first fixed rod, the driving disc can drive the driving roller to rotate by matching the second fixed shaft, and the driving roller can drive the first driving belt to rotate by matching the first movable groove, the driving rod and the driving lug, so that the position of the aluminum profile at the top of the first driving belt is changed, the moving process and the stamping process are synchronously carried out, and the device can realize the purposes of automatically moving materials and improving the working efficiency;
2. the movable plate is matched with the reset spring and the guide plate, so that the purpose of guiding the downward stamping movement of the movable plate can be achieved, and the reset spring can buffer the downward stamping movement of the movable plate, so that the movable plate can drive the stamping head to stably complete the stamping operation.
Drawings
FIG. 1 is a front sectional view of the overall structure of a connector metal part in a machine tool machining process according to the present invention;
FIG. 2 is a front cross-sectional view of a machine tool process drive roll configuration of a connector metal article in accordance with the present invention;
FIG. 3 is an elevation view of a machine tool process drive roll configuration of a connector metal piece of the present invention;
FIG. 4 is a top cross-sectional view of a machine tool process drive roll configuration of a connector metal article of the present invention;
fig. 5 is a side view of a drive plate structure of a connector metal piece in a machining process.
In the figure: 1. a processing machine tool; 2. a transmission case; 3. a first fixed shaft; 4. a first drive pulley; 5. a first drive belt; 6. a groove; 7. a drive lug; 8. a second fixed shaft; 9. a drive roller; 10. a first movable slot; 11. a second movable slot; 12. a drive rod; 13. a movable block; 14. a damping spring; 15. a drive disc; 16. a first fixing lever; 17. a first rotating ring; 18. a connecting rod; 19. a second rotating ring; 20. a second fixing bar; 21. a guide bar; 22. a second transmission wheel; 23. a second belt; 24. a third movable slot; 25. a support plate; 26. a fourth movable slot; 27. a hydraulic lever; 28. a movable plate; 29. punching a head; 30. a guide plate; 31. a return spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: comprises a processing machine tool 1 and a hydraulic rod 27, a transmission case 2 is fixedly arranged at the bottom of the inner wall of the processing machine tool 1, two ends of the inner wall of the transmission case 2 are respectively and rotatably connected with a first fixed shaft 3 through bearings, a first transmission wheel 4 is fixedly arranged on the surface of the first fixed shaft 3, a first transmission belt 5 is connected on the surface of the first transmission wheel 4 in a transmission way, a driving lug 7 is fixedly arranged on the inner wall of the first transmission belt 5, a plurality of second fixed shafts 8 are rotatably connected on the inner wall of the transmission case 2 corresponding to the position of the first transmission belt 5 through bearings, a driving roller 9 is fixedly arranged in the middle of each second fixed shaft 8, a first movable groove 10 and a second movable groove 11 are respectively arranged in the driving roller 9, a driving rod 12 is movably connected on the inner wall of the first movable groove 10, the driving rod 12 is movably connected on the inner wall of the first transmission belt 5 corresponding to the position of the driving lug 7, and a movable block 13 is fixedly arranged at one end of the driving rod 12 corresponding to the position of the second movable groove 11, the movable block 13 is movably connected to the inner wall of the second movable groove 11, one end of the movable block 13, which is far away from the position of the driving rod 12, is fixedly provided with a damping spring 14, the damping spring 14 is fixedly arranged on the inner wall of the second movable groove 11, any two second fixing shafts 8 movably penetrate through and extend to the outside of the transmission case 2, one end of each second fixing shaft 8, which is far away from the position of the transmission case 2, is fixedly provided with a driving disc 15, one end of each driving disc 15, which is far away from the position of the second fixing shaft 8, is fixedly provided with a first fixing rod 16, the surface of the first fixing rod 16 is rotatably connected with a first rotating ring 17 through a bearing, the surface of the first rotating ring 17 is fixedly provided with a connecting rod 18, one end of each connecting rod 18, which is far away from the position of the first rotating ring 17, is fixedly provided with a second rotating ring 19, the inner wall of the second rotating ring 19 is rotatably connected with a second fixing rod 20 through a bearing, one end of the second fixing rod 20 is fixedly provided with a guide rod 21, the middle part of the peripheral side surface of the first transmission wheel 4 is provided with a groove 6, the inner wall of the groove 6 is movably connected with the surface of the driving lug 7, the inside of the first movable groove 10 is communicated with the inside of the second movable groove 11, and the first movable groove 10 movably penetrates through and extends to the outside of the driving roller 9.
The top that the corresponding first drive belt 5 position of transmission case 2 has seted up third activity groove 24, and the surface swing joint of the inner wall of third activity groove 24 and first drive belt 5, the top fixed mounting of the inner wall that the corresponding first drive belt 5 position of transmission case 2 has backup pad 25, and backup pad 25 swing joint is at the middle part at first drive belt 5 inner wall top, fourth activity groove 26 has been seted up at the middle part of the corresponding actuating lever 12 position of backup pad 25, the preceding side fixed mounting of second fixed axle 8 has second drive wheel 22, the surface transmission of second drive wheel 22 is connected with second drive belt 23.
The hydraulic rod 27 is fixedly installed at the top of the inner wall of the processing machine tool 1, the movable plate 28 is fixedly installed at the output end of the hydraulic rod 27, the stamping heads 29 are fixedly installed at the bottom of the movable plate 28, the number of the guide rods 21 is two, and the two guide rods 21 are symmetrically arranged at two ends of the bottom of the movable plate 28 about the vertical axis of the midpoint of the movable plate 28.
The surface swing joint of guide bar 21 has deflector 30, and the guide bar 21 activity runs through and extends to the upper and lower both ends of deflector 30, the bottom fixed mounting that the corresponding guide bar 21 of fly leaf 28 put has reset spring 31, and reset spring 31 activity cup joints on the surface of guide bar 21, reset spring 31 fixed mounting is at the top of deflector 30, through setting up reset spring 31 and deflector 30, make deflector 30 cooperation guide bar 21 can play the purpose of direction to the downward punching press removal of fly leaf 28, and through fly leaf 28 cooperation reset spring 31 and deflector 30, make reset spring 31 can play the purpose of buffering to the downward punching press removal of fly leaf 28, thereby make fly leaf 28 can drive the steady completion punching press operation of punching press head 29.
The invention also provides a machine tool machining process of the connector metal piece, which comprises the following steps:
s1: selecting materials and aluminum profiles;
s2: preparing materials, removing impurities on the surface of the aluminum profile in the step S1, and drying the cleaned aluminum profile;
s3: annealing, namely annealing the aluminum profile in the step S2;
s4: naturally cooling, namely moving the aluminum profile in the step S3 to room temperature for natural cooling;
s5: feeding, namely placing the aluminum profiles in the step S4 on a transmission belt at equal intervals for feeding;
s6: stamping, namely stamping the aluminum profile in the step S5;
s7: blanking and taking down the aluminum profile which is punched on the transmission belt in the step S6;
s8: cleaning, namely repeatedly heating and cooling the aluminum profile in the step S7 to clean the aluminum profile;
s9: and (5) deburring, namely grinding the aluminum profile in the step S8 to remove surface burrs, and finally finishing the manufacturing.
In the step S3, the annealing temperature is 350-400 DEG, and the annealing time is 4 hours.
In the step S8, the heating temperature is 250-300 degrees, the heating time is 2 hours, the operation times in the step S8 are three times, and the cooling temperature is room temperature.
The working principle is as follows: when in use, the aluminum profiles are equidistantly arranged at the left end of the top of the first transmission belt 5, at this time, the hydraulic rod 27 drives the movable plate 28 to move downwards, and the movable plate 28 drives the stamping head 29 to move downwards, so as to perform stamping operation on the aluminum profiles on the surface of the first transmission belt 5, and the support plate 25 is arranged, so that the first transmission belt 5 can be supported, so that the stamping head 29 can normally complete the stamping operation, and when the movable plate 28 moves downwards, the movable plate 28 drives the guide rod 21 to move downwards, and the guide rod 21 drives the driving disc 15 to rotate through the second fixing rod 20 in cooperation with the second rotating ring 19, the connecting rod 18, the first rotating ring 17 and the first fixing rod 16, and the driving disc 15 drives the second fixing shaft 8 to rotate, and when the second fixing shaft 8 rotates, the second fixing shaft 8 drives the driving roller 9 to rotate, and make the first movable groove 10 of drive roller 9 cooperation, actuating lever 12 and drive lug 7 drive first drive belt 5 and rotate, thereby change the position of 5 top aluminium alloy of first drive belt, thereby make the aluminium alloy accomplish the punching press back through punching press head 29, accomplish the process of automatic material that moves in the punching press process of next time, and the process of removing goes on with the punching press process is synchronous, thereby make the device can realize the purpose of automatic material that moves and improvement work efficiency, through setting up second movable groove 11, movable block 13 and damping spring 14, make actuating lever 12 can normally drive the transmission of 5 first drive belts through drive lug 7.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A machine tool of connector metal spare, includes machine tool (1) and hydraulic stem (27), its characterized in that: the bottom fixedly connected with transmission case (2) of machine tool (1) inner wall, the both ends of transmission case (2) inner wall are equallyd divide through the bearing and do not rotate and are connected with first fixed axle (3), the fixed surface of first fixed axle (3) is connected with first drive wheel (4), the transmission surface of first drive wheel (4) is connected with first drive belt (5), the inner wall fixedly connected with drive lug (7) of first drive belt (5), the inner wall of the corresponding first drive belt (5) position of transmission case (2) is connected with a plurality of second fixed axles (8) through the bearing rotation, the middle part fixedly connected with drive roller (9) of second fixed axle (8), first activity groove (10) and second activity groove (11) have been seted up respectively to the inside of drive roller (9), the inner wall swing joint of first activity groove (10) has actuating lever (12), the driving rod (12) is movably connected with the inner wall of the position of the corresponding driving lug (7) of the first driving belt (5), one end of the driving rod (12) corresponding to the position of the second movable groove (11) is fixedly connected with a movable block (13), the movable block (13) is movably connected with the inner wall of the second movable groove (11), one end of the movable block (13) far away from the position of the driving rod (12) is fixedly connected with a damping spring (14), the damping spring (14) is fixedly connected with the inner wall of the second movable groove (11), any two second fixing shafts (8) movably penetrate through and extend to the outside of the transmission case (2), one end of the second fixing shaft (8) far away from the position of the transmission case (2) is fixedly connected with a driving disc (15), one end of the driving disc (15) far away from the position of the second fixing shaft (8) is fixedly connected with a first fixing rod (16), the surface of first dead lever (16) rotates through the bearing and is connected with first rotation circle (17), the fixed surface of first rotation circle (17) is connected with connecting rod (18), the one end fixedly connected with second rotation circle (19) of first rotation circle (17) position is kept away from in connecting rod (18), the inner wall of second rotation circle (19) rotates through the bearing and is connected with second dead lever (20), the one end fixedly connected with guide bar (21) of second dead lever (20), recess (6) are seted up at the middle part of first drive wheel (4) week side, and the inner wall of recess (6) and the surperficial swing joint of drive lug (7), the inside of first activity groove (10) is linked together with the inside of second activity groove (11), and first activity groove (10) activity runs through and extends to the outside of drive roller (9).
2. The machine tool of a connector metal piece of claim 1, wherein: third activity groove (24) have been seted up at the top of the corresponding first drive belt (5) position of transmission case (2), and the surface swing joint of the inner wall of third activity groove (24) and first drive belt (5), top fixedly connected with backup pad (25) of the inner wall of the corresponding first drive belt (5) position of transmission case (2), and backup pad (25) swing joint is at the middle part at first drive belt (5) inner wall top, fourth activity groove (26) have been seted up at the middle part of the corresponding actuating lever (12) position of backup pad (25), the preceding side end fixedly connected with second drive wheel (22) of second fixed axle (8), the surface transmission of second drive wheel (22) is connected with second drive belt (23).
3. The machine tool of a connector metal piece of claim 1, wherein: hydraulic stem (27) fixed connection is at the top of machine tool (1) inner wall, the output fixedly connected with fly leaf (28) of hydraulic stem (27), the bottom fixedly connected with punching press head (29) of fly leaf (28), the quantity of guide bar (21) is two, and two guide bar (21) set up the both ends in fly leaf (28) bottom for symmetry axis symmetry about the vertical axis of fly leaf (28) mid point.
4. A machine tool of a connector metal piece as claimed in claim 3, wherein: the surface swing joint of guide bar (21) has deflector (30), and guide bar (21) activity runs through and extends to the upper and lower both ends of deflector (30), the bottom fixedly connected with reset spring (31) of corresponding guide bar (21) position of fly leaf (28), and reset spring (31) activity cup joints the surface at guide bar (21), reset spring (31) fixed connection is at the top of deflector (30).
5. A machine tool process of the connector metal piece according to claim 1, characterized in that: the method comprises the following steps:
s1: selecting materials and aluminum profiles;
s2: preparing materials, removing impurities on the surface of the aluminum profile in the step S1, and drying the cleaned aluminum profile;
s3: annealing, namely annealing the aluminum profile in the step S2;
s4: naturally cooling, namely moving the aluminum profile in the step S3 to room temperature for natural cooling;
s5: feeding, namely placing the aluminum profiles in the step S4 on a transmission belt at equal intervals for feeding;
s6: stamping, namely stamping the aluminum profile in the step S5;
s7: blanking and taking down the aluminum profile which is punched on the transmission belt in the step S6;
s8: cleaning, namely repeatedly heating and cooling the aluminum profile in the step S7 to clean the aluminum profile;
s9: and (5) deburring, namely grinding the aluminum profile in the step S8 to remove surface burrs, and finally finishing the manufacturing.
6. The machine tool process of a connector metal piece according to claim 5, wherein: in the step S3, the annealing temperature is 350-400 DEG, and the annealing time is 4 hours.
7. The machine tool process of a connector metal piece according to claim 5, wherein: the heating temperature in the step S8 is 250-300 degrees, the heating time is 2 hours, the operation times in the step S8 are three times, and the cooling temperature is room temperature.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011125658.7A CN112490820B (en) | 2020-10-20 | 2020-10-20 | Machine tool machining process of connector metal piece |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011125658.7A CN112490820B (en) | 2020-10-20 | 2020-10-20 | Machine tool machining process of connector metal piece |
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| CN112490820A CN112490820A (en) | 2021-03-12 |
| CN112490820B true CN112490820B (en) | 2022-05-06 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5333484A (en) * | 1991-09-04 | 1994-08-02 | Toyota Jidosha Kabushiki Kaisha | Method of ironing cylindrical workpiece of austenite stainless steel, with controlled thickness reduction |
| CN101136532A (en) * | 2007-09-11 | 2008-03-05 | 虞寅达 | Production technique of cylinder type contact pin for electric connection |
| CN107151797A (en) * | 2017-06-01 | 2017-09-12 | 苏州春兴精工股份有限公司 | A kind of aluminium plate surface spikes handling process |
| CN108515085A (en) * | 2018-03-30 | 2018-09-11 | 湖南科罗德新材料有限公司 | The preparation method of Copper-Aluminum compound strip |
| CN111403075A (en) * | 2020-04-23 | 2020-07-10 | 嘉兴巨合泰铜业有限公司 | Plate strip with embedded composite metal structure, stamping part and manufacturing method thereof |
-
2020
- 2020-10-20 CN CN202011125658.7A patent/CN112490820B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5333484A (en) * | 1991-09-04 | 1994-08-02 | Toyota Jidosha Kabushiki Kaisha | Method of ironing cylindrical workpiece of austenite stainless steel, with controlled thickness reduction |
| CN101136532A (en) * | 2007-09-11 | 2008-03-05 | 虞寅达 | Production technique of cylinder type contact pin for electric connection |
| CN107151797A (en) * | 2017-06-01 | 2017-09-12 | 苏州春兴精工股份有限公司 | A kind of aluminium plate surface spikes handling process |
| CN108515085A (en) * | 2018-03-30 | 2018-09-11 | 湖南科罗德新材料有限公司 | The preparation method of Copper-Aluminum compound strip |
| CN111403075A (en) * | 2020-04-23 | 2020-07-10 | 嘉兴巨合泰铜业有限公司 | Plate strip with embedded composite metal structure, stamping part and manufacturing method thereof |
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