CN220092552U - Wire drawing device for processing copper conductor of 5G signal cable - Google Patents
Wire drawing device for processing copper conductor of 5G signal cable Download PDFInfo
- Publication number
- CN220092552U CN220092552U CN202321425428.1U CN202321425428U CN220092552U CN 220092552 U CN220092552 U CN 220092552U CN 202321425428 U CN202321425428 U CN 202321425428U CN 220092552 U CN220092552 U CN 220092552U
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- Prior art keywords
- wire drawing
- copper conductor
- fixedly connected
- processing
- box body
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- 238000005491 wire drawing Methods 0.000 title claims abstract description 119
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 81
- 239000004020 conductor Substances 0.000 title claims abstract description 81
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 81
- 239000010949 copper Substances 0.000 title claims abstract description 81
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000004804 winding Methods 0.000 claims abstract description 19
- 239000007921 spray Substances 0.000 claims abstract description 14
- 238000003756 stirring Methods 0.000 claims abstract description 6
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000002146 bilateral effect Effects 0.000 claims 1
- 230000007423 decrease Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 abstract description 5
- 239000001301 oxygen Substances 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 abstract description 4
- 230000003647 oxidation Effects 0.000 abstract description 2
- 238000007254 oxidation reaction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 15
- 239000000498 cooling water Substances 0.000 description 8
- 244000309464 bull Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 238000010301 surface-oxidation reaction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to the technical field of copper conductor processing, in particular to a wire drawing device for processing a 5G signal cable copper conductor, which comprises a box body, wherein three groups of wire drawing components are equidistantly arranged at the top of the box body along the length direction of the box body; according to the utility model, through the plurality of wire drawing dies arranged in each group of wire drawing components, the simultaneous wire drawing treatment of a plurality of copper conductors is realized, and the problem that the production and processing efficiency of the copper conductors is reduced due to the fact that only one copper conductor can be subjected to wire drawing treatment at a time in the prior art is solved; through the water pump, outlet pipe, spray pipe and the through-hole that set up, realized the copper conductor cooling treatment after the wire drawing of wire drawing mould, avoided the high temperature copper conductor after the wire drawing to contact with oxygen, its surface takes place the problem that oxidation influences its quality, through square pole, slide pipe, stirring pipe and the reciprocal lead screw that set up, realized the even winding of copper conductor after the wire drawing on corresponding wind-up roll.
Description
Technical Field
The utility model relates to the technical field of copper conductor processing, in particular to a wire drawing device for processing a 5G signal cable copper conductor.
Background
The cable is an electric energy or signal transmission device, is generally composed of a plurality of wires or a plurality of groups of wires, is widely applied to electric energy transmission, signal transmission and the like at present, and is widely applied to 5G at present, and the cable is more required to be used for carrying out long-distance transmission on the 5G signals. Among the existing cable categories, cables with copper conductors are most common and perform best. The copper conductor needs to be subjected to wire drawing treatment by using a wire drawing device in the processing process.
If the wire drawing device is used in cable copper conductor production for robot body that publication number is CN212190653U among the prior art, when carrying out the wire drawing to the copper conductor again, only can carry out wire drawing processing to a copper conductor at every turn, be difficult to carry out wire drawing processing to many copper conductors simultaneously, and then lead to having reduced the production machining efficiency of copper conductor.
In view of the above technical drawbacks, a solution is now proposed.
Disclosure of Invention
The utility model aims to provide a wire drawing device for processing a copper conductor of a 5G signal cable, which solves the technical defects, realizes wire drawing treatment on a plurality of copper conductors simultaneously through a plurality of wire drawing dies arranged in each group of wire drawing components, and solves the problem that the production and processing efficiency of the copper conductor is reduced because only one copper conductor can be subjected to wire drawing treatment in the prior art at a time; through the water pump, outlet pipe, spray pipe and the through-hole that set up, realized the copper conductor cooling treatment after the wire drawing of wire drawing mould, avoided the high temperature copper conductor after the wire drawing to contact with oxygen, its surface takes place the problem that oxidation influences its quality, through square pole, slide pipe, stirring pipe and the reciprocal lead screw that set up, realized the even winding of copper conductor after the wire drawing on corresponding wind-up roll.
The aim of the utility model can be achieved by the following technical scheme:
the utility model provides a wire drawing device for processing of 5G signal cable copper conductor, includes the box, the top of box is open structure, the top of box is provided with three wire drawing subassemblies of group along its length direction equidistance, wire drawing subassembly includes backup pad, fixed plate, slide bar, fly leaf, bolt, standing groove and wire drawing mould, the top both sides symmetry fixedly connected with backup pad of box, the welding has the fixed plate between the backup pad, one side bottom of fixed plate is provided with a plurality of slide bars along its length direction equidistance welding, one side of fixed plate is provided with the fly leaf with each slide bar sliding connection, the fly leaf passes through bolt and fixed plate fixed connection, the standing groove has all been seted up at the opposite one side top of fixed plate and fly leaf, the standing groove is provided with a plurality ofly along the length direction equidistance of fixed plate, each all be provided with the wire drawing mould in the standing groove.
Preferably, a fixed block is symmetrically and fixedly connected to one side bottom of the box body, a rotating rod is rotationally connected between the fixed blocks, winding rollers with the same number as the wire drawing dies in the wire drawing assembly are sleeved on the rotating rod, and a driving motor for driving the rotating rod to rotate is fixedly mounted on one of the fixed blocks.
Preferably, a first supporting plate is symmetrically and fixedly connected to the top of one side, far away from the wind-up roll, of the box body, a first guide roll is rotationally connected between the first supporting plates, a second supporting plate is symmetrically and fixedly connected to the top of one side, close to the wind-up roll, of the box body, a second guide roll is rotationally connected between the second supporting plates, and guide grooves are formed in the outer side walls of the first guide roll and the second guide roll.
Preferably, the sizes of the inner holes of the wire drawing dies in the three groups of wire drawing assemblies are sequentially reduced from the first guide roller to the second guide roller.
Preferably, the top fixedly connected with spray pipe that is located the wire drawing mould between the backup pad, the bottom of spray pipe is located the top of each wire drawing mould and has all run through and have offered the through-hole, and the bottom fixed mounting in the box has the water pump, the delivery port fixed intercommunication of water pump has the outlet pipe that is linked together with each spray pipe.
Preferably, two groups of mounting plates are fixedly connected between the second support plate and the fixed block on the outer side wall of the box body, a square rod is fixedly connected between the mounting plates, a sliding sleeve is arranged on the square rod, a stirring pipe is fixedly connected to the sliding sleeve and the winding roller in equal number, one of the stirring pipes is fixedly provided with a rotating motor on the mounting plate, the head of an output shaft of the rotating motor is fixedly connected with a reciprocating screw rod through a coupling, and a driving block in threaded connection with the reciprocating screw rod is fixedly connected to the sliding pipe.
The beneficial effects of the utility model are as follows:
(1) When the wire drawing device is used for wire drawing processing of the 5G signal cable copper conductor, the wire drawing processing of a plurality of copper conductors is realized through the plurality of wire drawing dies arranged in each group of wire drawing components, the problem that the production and processing efficiency of the copper conductor is reduced because only one copper conductor can be subjected to wire drawing processing each time in the prior art is solved, meanwhile, the inner hole size of the wire drawing dies in the three groups of wire drawing components is sequentially reduced from the direction from the first guide roller to the direction from the second guide roller, the purpose of reducing the diameter of the copper conductor in a sectional manner in the wire drawing process is realized, and the tensile strength of the copper conductor after wire drawing is effectively improved relative to the mode of reducing the copper conductor to the required diameter at one time.
(2) Through the water pump, outlet pipe, spray pipe and the through-hole that set up, realized the purpose of cooling down the copper conductor of wire drawing, solved copper conductor in the twinkling of an eye that wire drawing mould wire drawing was come out its surface temperature extremely high, very easily take place surface oxidation when contacting with oxygen, influence copper conductor quality, further influence the problem of cable result of use.
(3) When the copper conductor after the wire drawing is coiled through the wind-up roller, the reciprocating screw rod is driven to rotate through the rotating motor, and the reciprocating screw rod drives the sliding tube to reciprocate on the square rod under the cooperation of the driving block, so that the copper conductor after the wire drawing is uniformly wound on the corresponding wind-up roller, and the problem that the copper conductor after the wire drawing is wound unevenly and accumulated at a certain position of the wind-up roller in the coiling process is avoided.
Drawings
The utility model is further described below with reference to the accompanying drawings;
FIG. 1 is a perspective view of the structure of the present utility model;
FIG. 2 is a top view of FIG. 1 of the present utility model;
FIG. 3 is a cross-sectional view of A-A of FIG. 1 in accordance with the present utility model;
FIG. 4 is a schematic drawing of a drawing assembly of the present utility model in an exploded view;
fig. 5 is a schematic view of the structure of the mounting plate of the present utility model.
Legend description:
1. a case; 11. a fixed block; 12. a rotating rod; 13. a wind-up roll; 14. a driving motor; 15. a first support plate; 16. a guide roller I; 17. a second support plate; 18. a second guide roller; 19. a guide groove; 110. a water pump; 111. a water outlet pipe;
2. a wire drawing assembly; 21. a support plate; 22. a fixing plate; 23. a slide bar; 24. a movable plate; 25. a bolt; 26. a placement groove; 27. drawing a wire mould; 28. a water spray pipe; 29. a through hole;
3. a mounting plate; 31. square bar; 32. a slide tube; 33. a poking pipe; 34. a rotating motor; 35. a reciprocating screw rod; 36. and a driving block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
to current wire drawing device be difficult to carry out wire drawing processing to many copper conductors simultaneously, the problem that machining efficiency reduces, the accessible scheme solves:
referring to fig. 1-5, the embodiment is a drawing device for processing a copper conductor of a 5G signal cable, the drawing device comprises a box body 1, the top of the box body 1 is of an opening structure, three groups of drawing assemblies 2 are equidistantly arranged on the top of the box body 1 along the length direction of the box body, the drawing assemblies 2 comprise a supporting plate 21, a fixed plate 22, sliding rods 23, a movable plate 24, bolts 25, placing grooves 26 and drawing dies 27, the supporting plate 21 is symmetrically and fixedly connected to the two sides of the top of the box body 1, the fixed plate 22 is welded between the supporting plates 21, a plurality of sliding rods 23 are equidistantly welded on one side bottom of the fixed plate 22 along the length direction of the fixed plate 21, the connecting effect of the fixed plate 22 and the movable plate 24 is improved by the arranged sliding rods 23, the movable plate 24 is fixedly connected with the fixed plate 22 through the bolts 25, the fixed plate 22 and the movable plate 24 play the purpose of fixing the drawing dies 27, the placing grooves 26 are respectively arranged on the tops of opposite sides of the fixed plate 22 and the movable plate 24, and the placing grooves 26 are respectively arranged along the length direction of the fixed plate 22, and the plurality of the placing grooves 27 are simultaneously processed by the copper conductors.
One side bottom symmetry fixedly connected with fixed block 11 of box 1, rotation is connected with bull stick 12 between the fixed block 11, the cover is equipped with the wind-up roll 13 with the wire drawing mould 27 equiquantity in the wire drawing subassembly 2 on the bull stick 12, and the wind-up roll 13 that sets up has realized carrying out the rolling purpose to the copper conductor after the wire drawing, and fixed mounting has the driving motor 14 that is used for driving bull stick 12 pivoted on one of them fixed block 11.
The first 15 of side top symmetry fixedly connected with backup pad that keeps away from wind-up roll 13 on box 1, rotation is connected with guide roll one 16 between the first 15 of backup pad, the guide effect to the copper conductor before the wire drawing has been realized to guide roll one 16 that set up, the second 17 of side top symmetry fixedly connected with backup pad that is close to wind-up roll 13 on box 1, rotate between the second 17 of backup pad and be connected with guide roll two 18, guide roll two that set up has realized the guide effect to the copper conductor after the wire drawing, guide groove 19 has all been seted up on guide roll one 16 and the lateral wall of guide roll two 18, the guide groove 19 that sets up has played the positioning action of copper conductor on the guide roll.
The inner hole sizes of the wire drawing dies 27 in the three groups of wire drawing assemblies 2 are sequentially reduced from the first guide roller 16 to the second guide roller 18, the purpose of reducing the diameter of the copper conductor in a sectional manner in the wire drawing process is achieved, and the tensile strength of the copper conductor after wire drawing is effectively improved relative to the mode of reducing the copper conductor to the required diameter at one time.
The top fixedly connected with spray pipe 28 that is located wire drawing mould 27 between the backup pad 21, the bottom of spray pipe 28 is located the top of each wire drawing mould 27 and all runs through and offer through-hole 29, and the bottom fixed mounting in the box 1 has water pump 110, and the delivery port fixed intercommunication of water pump 110 has the outlet pipe 111 that is linked together with each spray pipe 28, has realized the purpose of cooling down to the high temperature copper conductor after the wire drawing.
The working process and principle of the utility model are as follows:
when the wire drawing device is used for carrying out wire drawing processing on a copper conductor of a 5G signal cable, cooling water is added into the box body 1, one end of the copper conductor is reduced in diameter by using a file, guided by the first guide roller 16 and sequentially penetrated into corresponding wire drawing dies 27 in the three groups of wire drawing assemblies 2, guided by the second guide roller 18 and fixed on the winding roller 13, the driving motor 14 is started to drive the winding roller 13 to rotate, the wire drawing processing of the copper conductor is realized in the winding process, in the wire drawing process, the water pump 110 is started to pump the cooling water in the box body 1 and inject the cooling water into the spray pipe 28 through the water outlet pipe 111, and finally the cooling water is sprayed onto the wire drawing dies 27 from the through holes 29, so that the copper conductor is cooled in the wire drawing process, and the problem that the copper conductor is extremely high in surface temperature at the moment of wire drawing of the wire drawing die 27, and is extremely easy to generate surface oxidation when contacting oxygen, and the quality of the copper conductor is influenced is avoided; through a plurality of wire drawing dies 27 that set up in every group wire drawing subassembly 2, realized carrying out wire drawing processing to many copper conductors simultaneously, solved in the prior art and only can carry out wire drawing processing to one copper conductor at a time, lead to reducing the problem of copper conductor production machining efficiency, simultaneously reduce the hole size of wire drawing dies 27 in three group wire drawing subassemblies 2 in proper order from direction of guide roll one 16 to guide roll two 18, realized the purpose of reducing its diameter to the copper conductor segmentation in wire drawing in-process, for the mode that once reduced to required diameter, effectually improved the tensile strength of the copper conductor after the wire drawing.
Embodiment two:
the winding of copper conductor to after the wire drawing among the prior art is inhomogeneous, easily piles up the problem in a wind-up roll certain place, and the accessible scheme solves:
referring to fig. 5, two groups of mounting plates 3 are fixedly connected between the second support plate 17 and the fixed block 11 on the outer side wall of the box 1, a square rod 31 is fixedly connected between the mounting plates 3, a sliding tube 32 is sleeved on the square rod 31 in a sliding manner, a stirring tube 33 equal in number to the winding roller 13 is fixedly connected on the sliding tube 32, a rotating motor 34 is fixedly installed on one of the mounting plates 3, a reciprocating screw rod 35 is fixedly connected to the head of an output shaft of the rotating motor 34 through a coupling, and a driving block 36 in threaded connection with the reciprocating screw rod 35 is fixedly connected to the sliding tube 32.
In this embodiment:
one end of the copper conductor is fixed before the wind-up roller 13, a corresponding poking tube 33 is arranged in a penetrating manner, in the winding and wiredrawing process, a rotating motor 34 is started to drive a reciprocating screw rod 35 to rotate, the reciprocating screw rod 35 drives a sliding tube 32 to reciprocate on a square rod 31 under the cooperation of a driving block 36, so that the copper conductor after wiredrawing is uniformly wound on the corresponding wind-up roller 13, and the problem that the copper conductor after wiredrawing is wound unevenly and accumulated at a certain position of the wind-up roller 13 in the winding process is avoided.
To sum up: when the wire drawing device is used for carrying out wire drawing processing on copper conductors of a 5G signal cable, cooling water is added into the box body 1, one ends of a plurality of copper conductors are reduced in diameter by using files and guided by the first guide roller 16 and sequentially pass through corresponding wire drawing dies 27 in the three groups of wire drawing components 2, the corresponding poking pipes 33 are penetrated and fixed on the winding roller 13 after being guided by the second guide roller 18, the driving motor 14 is started to drive the winding roller 13 to rotate, wire drawing processing of the plurality of copper conductors is realized in the winding process, meanwhile, the rotating motor 34 is started to drive the reciprocating screw rod 35 to rotate, and the reciprocating screw rod 35 drives the sliding pipe 32 to reciprocate on the square rod 31 under the cooperation of the driving block 36, so that the copper conductors after wire drawing are uniformly wound on the corresponding winding roller 13, and the problem that the copper conductors after wire drawing are wound unevenly and stacked at a certain position of the winding roller 13 in the winding process is avoided; in the wire drawing process, the water pump 110 is started to pump cooling water in the box body 1 and the cooling water is injected into the water spraying pipe 28 through the water outlet pipe 111, and finally the cooling water is sprayed out of the through hole 29 onto the wire drawing die 27, so that the copper conductor is cooled in the wire drawing process, and the problems that the surface temperature of the copper conductor is extremely high in the moment of wire drawing through the wire drawing die 27, the surface oxidation is extremely easy to occur when the copper conductor contacts with oxygen, and the quality of the copper conductor is influenced are avoided.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a wire drawing device for processing of 5G signal cable copper conductor, includes box (1), its characterized in that, the top of box (1) is open structure, the top of box (1) is provided with three wire drawing subassembly (2) of group along its length direction equidistance, wire drawing subassembly (2) are including backup pad (21), fixed plate (22), slide bar (23), fly leaf (24), bolt (25), standing groove (26) and wire drawing mould (27), top bilateral symmetry fixedly connected with backup pad (21) of box (1), welded fixed plate (22) between backup pad (21), one side bottom of fixed plate (22) has a plurality of slide bars (23) along its length direction equidistance welding, one side of fixed plate (22) be provided with each slide bar (23) sliding connection's fly leaf (24), fly leaf (24) are through bolt (25) and fixed plate (22) fixed connection, standing groove (26) have all been seted up at the opposite one side top of fixed plate (22) and fly leaf (24), standing groove (26) are provided with each mould (27) along the length direction equidistance.
2. The wire drawing device for processing the copper conductor of the 5G signal cable according to claim 1, wherein fixing blocks (11) are symmetrically and fixedly connected to one side bottom of the box body (1), rotating rods (12) are rotatably connected between the fixing blocks (11), winding rollers (13) which are in the same number as wire drawing dies (27) in the wire drawing assembly (2) are sleeved on the rotating rods (12), and a driving motor (14) for driving the rotating rods (12) to rotate is fixedly mounted on one fixing block (11).
3. The wire drawing device for processing the 5G signal cable copper conductor according to claim 2, wherein a first support plate (15) is symmetrically and fixedly connected to the top of one side, far away from the wind-up roll (13), of the box body (1), a first guide roll (16) is rotationally connected between the first support plates (15), a second support plate (17) is symmetrically and fixedly connected to the top of one side, close to the wind-up roll (13), of the box body (1), a second guide roll (18) is rotationally connected between the second support plates (17), and guide grooves (19) are formed in the outer side walls of the first guide roll (16) and the second guide roll (18).
4. A wire drawing device for copper conductor processing of 5G signal cable according to claim 3, characterized in that the inner hole size of the wire drawing dies (27) in three groups of the wire drawing assemblies (2) decreases in sequence from the first guide roller (16) to the second guide roller (18).
5. The wire drawing device for processing the 5G signal cable copper conductor according to claim 1, wherein a water spray pipe (28) is fixedly connected to the top of a wire drawing die (27) between the supporting plates (21), through holes (29) are formed in the bottoms of the water spray pipes (28) above the wire drawing dies (27) in a penetrating mode, a water pump (110) is fixedly arranged at the bottom in the box body (1), and a water outlet pipe (111) communicated with the water spray pipes (28) is fixedly communicated with a water outlet of the water pump (110).
6. The wire drawing device for processing the 5G signal cable copper conductor according to claim 3, wherein two groups of mounting plates (3) are fixedly connected between a support plate II (17) and a fixed block (11) on the outer side wall of the box body (1), square rods (31) are fixedly connected between the mounting plates (3), sliding sleeves on the square rods (31) are provided with sliding pipes (32), stirring pipes (33) with the same number as a winding roller (13) are fixedly connected on the sliding pipes (32), one mounting plate (3) is fixedly provided with a rotating motor (34), an output shaft head of the rotating motor (34) is fixedly connected with a reciprocating screw rod (35) through a coupler, and a driving block (36) in threaded connection with the reciprocating screw rod (35) is fixedly connected on the sliding pipes (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321425428.1U CN220092552U (en) | 2023-06-06 | 2023-06-06 | Wire drawing device for processing copper conductor of 5G signal cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321425428.1U CN220092552U (en) | 2023-06-06 | 2023-06-06 | Wire drawing device for processing copper conductor of 5G signal cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220092552U true CN220092552U (en) | 2023-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321425428.1U Active CN220092552U (en) | 2023-06-06 | 2023-06-06 | Wire drawing device for processing copper conductor of 5G signal cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220092552U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117696654A (en) * | 2023-12-25 | 2024-03-15 | 江门市棉湖铜业有限公司 | Copper wire stretcher |
-
2023
- 2023-06-06 CN CN202321425428.1U patent/CN220092552U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117696654A (en) * | 2023-12-25 | 2024-03-15 | 江门市棉湖铜业有限公司 | Copper wire stretcher |
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