A wire drawing device and method for cable core production

Abstract

The application discloses a wire drawing device and method for cable core production and relates to the technical field of cables. The device comprises a device body, a wire drawing groove is formed in the device body, a closing door is rotatably installed on the front side of the wire drawing groove, a handle is fixedly installed on the closing door, an illuminating lamp is fixedly installed on the device body, a plurality of wire guide wheels are rotatably installed in the wire drawing groove, a wire drawing die is fixedly installed inside the wire drawing groove and on the inner side of the wire guide wheels, a wastewater groove is formed in the inner bottom of the wire drawing groove, a U-shaped fixing plate is fixedly installed inside the wire drawing groove and on the outer side of the wire drawing die, and a pushing assembly is arranged on the inner side of the U-shaped fixing plate. The wire drawing device is used in cooperation with cold water, heat dissipation fins, the pushing assembly and an auxiliary assembly, high-efficiency and stable production is realized, the high quality and high yield of metal wires are ensured, and the use effect of the wire drawing device is greatly improved.

Description

Technical Field

[0001] This invention relates to the field of cable technology, specifically to a wire drawing device and method for producing cable cores. Background Technology

[0002] A cable is a device for transmitting electrical energy or signals, typically composed of several or groups of conductors. Types of cables include power cables, control cables, compensating cables, shielded cables, high-temperature cables, computer cables, signal cables, coaxial cables, fire-resistant cables, marine cables, mining cables, aluminum alloy cables, and so on. They are all composed of single or multiple strands of conductors and insulation layers, used to connect circuits and electrical appliances. During production, the diameter of the cable core needs to be changed by drawing the wires.

[0003] In the prior art, Chinese patent publication number "CN114054525A" discloses a wire drawing device for cable core production. It uses an adjusting seat and adjusting gear to drive a turntable to rotate. The rotation of the turntable moves three wire drawing seats towards its center position, thus quickly adjusting the cable core to the corresponding diameter. A transmission gear drives a gear ring to rotate, which in turn drives the wire drawing mechanism and support mechanism to rotate at high speed, thereby performing wire drawing on the cable core. This solves the problem that in existing wire drawing processes, the diameter of the wire drawing hole is basically fixed. If the wire drawing diameter needs to be changed, the wire drawing mold needs to be removed and replaced with a corresponding mold, which is very troublesome and inefficient.

[0004] During the use of existing wire drawing equipment, a large amount of heat is generated due to friction between the cable and the wire drawing die. When the wire drawing die is at a high temperature, it may deform due to thermal expansion, resulting in inaccurate die dimensions, or even cracks or damage. At the same time, due to the thermal expansion effect, the accuracy of the wire drawing die may be reduced, causing fluctuations in the metal wire diameter during the stretching process, thereby causing instability in the dimensions of the produced material and affecting product quality. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides a wire drawing device and method for producing cable cores, solving the problems mentioned in the background section.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A wire drawing device for producing cable cores includes a device body, a wire drawing groove on the device body, a closed door rotatably mounted on the front side of the wire drawing groove, a handle fixedly mounted on the closed door, a lighting lamp fixedly mounted on the device body, a plurality of wire pulleys rotatably mounted inside the wire drawing groove, a wire drawing mold fixedly mounted inside the wire drawing groove and inside the wire pulleys, and a wastewater tank is provided at the bottom of the wire drawing groove.

[0008] A U-shaped plate is fixedly installed inside the wire drawing groove and outside the wire drawing mold, and an actuating component is provided on the inner side of the U-shaped plate.

[0009] The outer side of the U-shaped plate is fixedly equipped with symmetrically arranged drainage pipes, and a water spray head is fixedly connected to the drainage pipes. A diversion pipe is fixedly connected to the two drainage pipes, and a water supply pipe is fixedly connected to the diversion pipe. A heat-conducting plate is fixedly installed on the outer side of the wire drawing die, and heat dissipation fins are fixedly installed on the heat-conducting plate. A heat-conducting groove is opened on the U-shaped plate.

[0010] The U-shaped plate is equipped with auxiliary components.

[0011] Preferably, the actuation assembly includes a first bearing and a second bearing fixedly mounted on a U-shaped plate. A first drive shaft is fixedly mounted on the first bearing, and a first actuating wheel and a first gear are fixedly mounted on the first drive shaft. A second drive shaft is fixedly mounted on the second bearing, and a second actuating wheel and a second gear are fixedly mounted on the second drive shaft. A drive motor is fixedly mounted at one end of the second drive shaft.

[0012] Preferably, the first gear meshes with the second gear, the inner side of the wire drawing groove is provided with a mounting groove for use with the drive motor, the first bearing and the second bearing are arranged symmetrically, and the first actuating wheel and the second actuating wheel are located directly below the wire drawing die.

[0013] Preferably, the auxiliary component includes a small gear fixedly mounted on the first drive shaft and the second drive shaft, an auxiliary rotating shaft rotatably mounted on the outer side of the U-shaped fixed plate, a large gear fixedly mounted on the auxiliary rotating shaft, a connecting shaft fixedly mounted on the outer side of the large gear, and a drive rod rotatably mounted on the connecting shaft.

[0014] Preferably, the U-shaped plate has a stabilizing groove, a stabilizing rod is slidably installed on the stabilizing groove, a lifting rod is fixedly installed at the end of the stabilizing rod, a fixing rod is fixedly installed at the top of the lifting rod, a U-shaped frame rod is fixedly installed on the fixing rod, and multiple cleaning brush plates are fixedly installed inside the U-shaped frame rod.

[0015] Preferably, the small gear meshes with the large gear, the end of the drive rod away from the connecting shaft is rotatably mounted on the bottom end of the lifting rod, the U-shaped frame rod is positioned on the outside of the heat dissipation fins, and the single cleaning brush plate is positioned between two heat dissipation fins.

[0016] Preferably, symmetrically arranged side plates are fixedly installed on the U-shaped fixed plate, and a rotary joint is rotatably installed on each of the two side plates. A spray pipe is fixedly installed at one end of the rotary joint, and a spray hole is opened on the spray pipe. A connecting pipe is rotatably installed at the other end of the rotary joint. A connecting frame rod is fixedly installed on the outer side of the lifting rod, and an auxiliary tie rod is rotatably installed on the connecting frame rod. An intermittent sleeve is slidably installed on the outer side of the spray pipe.

[0017] Preferably, an auxiliary gear is fixedly installed on the spray pipe, a connecting crossbar is fixedly installed on the front surface of the lifting rod, a first vertical rod and a second vertical rod are fixedly installed on the lower end face of the connecting crossbar, and a first tooth block group and a second tooth block group are fixedly installed on the first vertical rod and the second vertical rod, respectively.

[0018] Preferably, the auxiliary tie rod is rotatably mounted on the intermittent sleeve at the end away from the connecting frame rod, the auxiliary tie rod is arranged at an angle, the end of the connecting pipe away from the rotary joint is fixedly connected to the drain pipe, the first tooth block group and the second tooth block group are arranged alternately, the first vertical rod and the second vertical rod are arranged symmetrically, and the auxiliary gear meshes with the first tooth block group and the second tooth block group in sequence.

[0019] A method for drawing wires for producing cable cores, based on the aforementioned wire drawing device for producing cable cores, includes the following steps:

[0020] S1. In use, the cable on the wire feeding frame passes sequentially through the wire guide wheel, the wire drawing die, the first actuating wheel, and the second actuating wheel. The existing traction mechanism is used to achieve the drawing. At the same time, the drive motor is started, which drives the second gear on the second drive shaft to rotate and the second actuating wheel to rotate. The cooperation between the second gear and the first gear causes the first actuating wheel on the first drive shaft to rotate. The co-rotation of the first actuating wheel and the second actuating wheel can counteract the vibration of the wire at the exit of the wire drawing die, reduce the impact of shaking on the surface finish, and effectively improve the wire drawing effect of the device.

[0021] S2. When the wire drawing die is working, cold water is supplied through the water supply pipe and then through the diversion pipe into the drain pipe. The cold water in the drain pipe is sprayed onto the wire drawing die through the spray nozzle. At the same time, the heat on the wire drawing die is transferred to the heat dissipation fins through the heat conduction plate. The heat dissipation fins continuously dissipate the heat on the wire drawing die. Meanwhile, the cold water in the drain pipe is supplied to the spray pipe through the rotary joint via the connecting pipe. The cold water is sprayed onto the heat dissipation fins through the spray pipe, which accelerates the heat dissipation of the heat dissipation fins. Through the cooperation of the heat dissipation fins and cold water, the temperature of the wire drawing die is effectively controlled, reducing dimensional deviations or surface adhesive wear caused by thermal expansion. It also avoids overheating due to friction between the wire drawing die and the cable, which could lead to damage to the wire drawing die.

[0022] S3. When the first drive shaft and the second drive shaft rotate, they will drive the two small gears to rotate. With the cooperation of the small gear and the large gear, the large gear will drive the connecting shaft to rotate around the auxiliary shaft. With the cooperation of the connecting shaft and the drive rod, the cooperation of the drive rod and the lifting rod, and the limiting sliding of the stabilizing slide rod and the stabilizing slide groove, the reciprocating lifting of the lifting rod will drive the cleaning brush plate on the U-shaped frame rod to reciprocate. The lifting brush plate can effectively clean the heat dissipation fins, ensuring the heat dissipation effect of the heat dissipation fins on the wire drawing die. At the same time, the bristles on the cleaning brush plate can make it easy to evenly smooth the cold water sprayed on the heat dissipation fins, forming a uniform water film and improving the heat dissipation efficiency of the heat dissipation fins.

[0023] S4. When the lifting rod moves up and down, it will simultaneously drive the auxiliary pull rod on the connecting frame rod to move up and down. The intermittent sleeve on the spray pipe will use the pushing and pulling force of the auxiliary pull rod to move back and forth on the spray pipe. The intermittent sleeve will periodically block and expose the spray hole to achieve pulse spraying, effectively avoiding water waste or local overcooling of the heat dissipation fins caused by continuous spraying, and improving the heat dissipation effect of the wire drawing die.

[0024] S5. When the lifting rod reciprocates, it will synchronously drive the connecting crossbar to move synchronously. The first and second vertical rods on the connecting crossbar will drive the first and second toothed blocks to move synchronously. By utilizing the intermittent meshing of the first and second toothed blocks with the auxiliary gears on the spray pipe and the action of the rotary joint, it is ensured that the spray pipe is in an oscillating state when spraying cold water through the spray holes. The oscillating spray pipe can evenly spray cold water onto the heat dissipation fins, further improving the heat dissipation effect of the wire drawing die.

[0025] This invention provides a wire drawing device and method for producing cable cores. Compared with the prior art, it has the following advantages:

[0026] 1. In this invention, the cable on the wire feeding frame passes sequentially through the wire guide wheel, the wire drawing die, the first actuating wheel, and the second actuating wheel. The cable is drawn using an existing traction mechanism. At the same time, the drive motor is started, which drives the second gear on the second drive shaft to rotate and the second actuating wheel to rotate. The cooperation between the second gear and the first gear causes the first actuating wheel on the first drive shaft to rotate. The co-rotation of the first actuating wheel and the second actuating wheel can counteract the vibration of the wire at the exit of the wire drawing die, reduce the impact of vibration on the surface finish, and effectively improve the wire drawing effect of the device.

[0027] 2. In this invention, when the wire drawing die is in operation, cold water is introduced into the drain pipe through the water supply pipe and then into the drain pipe through the diversion pipe. The cold water in the drain pipe is sprayed onto the wire drawing die through the spray nozzle. At the same time, the heat on the wire drawing die is transferred to the heat dissipation fins through the heat conduction plate. The heat dissipation fins continuously dissipate the heat on the wire drawing die. Meanwhile, the cold water in the drain pipe is transported to the spray pipe through the rotary joint through the connecting pipe. The cold water is sprayed onto the heat dissipation fins through the spray pipe, which accelerates the heat dissipation of the heat dissipation fins. Through the cooperation of the heat dissipation fins and cold water, the temperature of the wire drawing die is effectively controlled, reducing dimensional deviations or surface adhesive wear caused by thermal expansion. It also avoids overheating due to friction between the wire drawing die and the cable, which could lead to damage to the wire drawing die.

[0028] 3. In this invention, when the first drive shaft and the second drive shaft rotate, they will drive two small gears to rotate. Utilizing the cooperation between the small gears and the large gear, the large gear will drive the connecting shaft to rotate around the auxiliary rotating shaft. Utilizing the cooperation between the connecting shaft and the drive rod, the cooperation between the drive rod and the lifting rod, and the limiting sliding of the stabilizing slide rod and the stabilizing slide groove, the reciprocating lifting of the lifting rod will drive the cleaning brush plate on the U-shaped frame rod to reciprocate. The liftable cleaning brush plate can effectively clean the heat dissipation fins, ensuring the heat dissipation effect of the heat dissipation fins on the wire drawing die 4. At the same time, the bristles on the cleaning brush plate can easily smooth out the cold water sprayed on the heat dissipation fins, forming a uniform water film and improving the heat dissipation efficiency of the heat dissipation fins.

[0029] 4. In this invention, when the lifting rod reciprocates, it will simultaneously drive the auxiliary pull rod on the connecting frame rod to rise and fall synchronously. The intermittent sleeve on the spray pipe will use the pushing and pulling force of the auxiliary pull rod to move back and forth on the spray pipe. The intermittent sleeve periodically blocks and exposes the spray hole, realizing pulse spraying. This effectively avoids water waste or local overcooling of the heat dissipation fins caused by continuous spraying, and improves the heat dissipation effect of the wire drawing die.

[0030] 5. In this invention, when the lifting rod reciprocates, it will synchronously drive the connecting crossbar to move synchronously. The first vertical rod and the second vertical rod on the connecting crossbar will drive the first tooth block group and the second tooth block group to move synchronously. By utilizing the intermittent meshing of the first tooth block group and the second tooth block group with the auxiliary gear on the spray pipe and the effect of the rotary joint, it is ensured that the spray pipe is in a swinging state when spraying cold water through the spray hole. The swinging spray pipe can evenly spray cold water onto the heat dissipation fins, further improving the heat dissipation effect of the wire drawing die. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0032] Figure 2 This is a schematic diagram of the wire drawing groove in this invention;

[0033] Figure 3 This is a distribution diagram of the multiple guide wheels in this invention;

[0034] Figure 4 This is a schematic diagram of the drainage pipe in this invention;

[0035] Figure 5 for Figure 4 Enlarged view of point A in the middle;

[0036] Figure 6 This is a schematic diagram of the U-shaped fixing plate in this invention;

[0037] Figure 7 This is a schematic diagram of the auxiliary component in this invention;

[0038] Figure 8 This is a schematic diagram of the intermittent sleeve in this invention;

[0039] Figure 9 This is a schematic diagram of the connecting crossbar in this invention.

[0040] In the diagram: 1. Device body; 2. Wire drawing groove; 3. Wire drawing wheel; 4. Wire drawing die; 5. Wastewater tank; 6. U-shaped fixed plate; 7. Drainage pipe; 8. Water spray head; 9. Diverter pipe; 10. Water supply pipe; 11. Heat-conducting plate; 12. Heat dissipation fins; 13. Heat-conducting groove; 14. First bearing; 15. Second bearing; 16. First drive shaft; 17. First actuating wheel; 18. First gear; 19. Second drive shaft; 20. Second actuating wheel; 21. Second gear; 22. Drive motor; 23. Pinion; 24. Auxiliary rotating shaft; 25. Large gear; 6. Connecting shaft; 27. Drive rod; 28. Stabilizing slide; 29. ​​Stabilizing slide bar; 30. Lifting rod; 31. Fixing rod; 32. U-shaped frame rod; 33. Cleaning brush plate; 34. Side plate; 35. Rotary joint; 36. Spray pipe; 37. Spray hole; 38. Connecting pipe; 39. Connecting frame rod; 40. Auxiliary tie rod; 41. Intermittent sleeve; 42. Auxiliary gear; 43. Connecting crossbar; 44. First vertical rod; 45. Second vertical rod; 46. First gear block group; 47. Second gear block group; 48. Sealing door; 49. Handle; 50. Lighting lamp. Detailed Implementation

[0041] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0042] Please see Figures 1-9This invention relates to a wire drawing device for cable core production, comprising a device body 1, a wire drawing groove 2 formed on the device body 1, a closed door 48 rotatably mounted on the front side of the wire drawing groove 2, a handle 49 fixedly mounted on the closed door 48, a lighting lamp 50 fixedly mounted on the device body 1, multiple guide wheels 3 rotatably mounted inside the wire drawing groove 2, a wire drawing mold 4 fixedly mounted inside the wire drawing groove 2 and inside the guide wheels 3, a wastewater tank 5 formed at the bottom of the wire drawing groove 2, and a U-shaped fixing plate 6 fixedly mounted inside the wire drawing groove 2 and outside the wire drawing mold 4, with a toggle assembly provided on the inner side of the U-shaped fixing plate 6. The outer side of the U-shaped fixed plate 6 is fixedly equipped with symmetrically arranged drain pipes 7, and water spray heads 8 are fixedly connected to the drain pipes 7. Two branch pipes 9 are fixedly connected to the two drain pipes 7, and water supply pipes 10 are fixedly connected to the branch pipes 9. A heat-conducting plate 11 is fixedly installed on the outer side of the wire drawing die 4, and heat dissipation fins 12 are fixedly installed on the heat-conducting plate 11. A heat-conducting groove 13 is formed on the U-shaped fixed plate 6, and part of the volume of the heat dissipation fins 12 passes through the heat-conducting groove 13 and is located on the outer side of the U-shaped fixed plate 6, ensuring that the heat dissipated by the heat dissipation fins 12 can be kept away from the wire drawing die 4. The actuating assembly includes a first bearing 14 fixedly installed on the U-shaped fixed plate 6 and... A second bearing 15 is attached to the first bearing 14, on which a first drive shaft 16 is fixedly mounted. A first actuating wheel 17 and a first gear 18 are fixedly mounted on the first drive shaft 16. A second drive shaft 19 is fixedly mounted on the second bearing 15, on which a second actuating wheel 20 and a second gear 21 are fixedly mounted. A drive motor 22 is fixedly mounted at one end of the second drive shaft 19. The first gear 18 and the second gear 21 mesh. An installation groove for the drive motor 22 is provided on the inner side of the wire drawing groove 2. The first bearing 14 and the second bearing 15 are arranged symmetrically. The first actuating wheel 17 and the second actuating wheel 20 are in the drawing position... Directly below the wire mold 4, the device body 1 is equipped with a wire feeding frame and a traction mechanism. Since the wire feeding wheel and traction mechanism are technologies well known to those skilled in the art, they will not be described in detail here. In order to ensure that the drive motor 22 can dissipate heat during operation and not affect the normal use of the drive motor 22, heat dissipation holes can be provided on the device body 1. The heat dissipation holes are connected to the mounting groove. The heat dissipation holes ensure that the heat of the drive motor 22 can be dissipated. At the same time, the closed door 48 can be set as a glass door according to the needs of personnel, so that personnel can clearly know the operation of the entire device body 1.

[0043] In this embodiment, the cable on the wire feeding frame passes sequentially through the wire guide wheel 3, the wire drawing die 4, the first actuating wheel 17, and the second actuating wheel 20. The cable is pulled using the existing traction mechanism. At the same time, the drive motor 22 is started, which drives the second gear 21 on the second drive shaft 19 and the second actuating wheel 20 to rotate. The cooperation between the second gear 21 and the first gear 18 causes the first actuating wheel 17 on the first drive shaft 16 to rotate. The co-rotation of the first actuating wheel 17 and the second actuating wheel 20 can counteract the vibration of the wire at the exit of the wire drawing die 4, reduce the impact of vibration on the surface finish, and effectively improve the wire drawing effect of the device.

[0044] The U-shaped fixed plate 6 is provided with auxiliary components, including a small gear 23 fixedly installed on the first drive shaft 16 and the second drive shaft 19. An auxiliary rotating shaft 24 is rotatably installed on the outer side of the U-shaped fixed plate 6. A large gear 25 is fixedly installed on the auxiliary rotating shaft 24. A connecting shaft 26 is fixedly installed on the outer side of the large gear 25. A drive rod 27 is rotatably installed on the connecting shaft 26. A stabilizing groove 28 is opened on the U-shaped fixed plate 6. A stabilizing slide rod 29 is slidably installed on the stabilizing groove 28. A lifting rod 30 is fixedly installed at the end of the stabilizing slide rod 29. A fixing rod 31 is fixedly installed at the top of the lifting rod 30. A U-shaped... The U-shaped support rod 32 has multiple cleaning brush plates 33 fixedly installed inside. A small gear 23 meshes with a large gear 25. The end of the drive rod 27 away from the connecting shaft 26 is rotatably mounted at the bottom of the lifting rod 30. The U-shaped support rod 32 is positioned outside the heat dissipation fins 12. Each cleaning brush plate 33 is positioned between two heat dissipation fins 12. The cleaning brush plate 33 is provided with cleaning bristles located at both ends. Since cleaning bristles are well-known technology, they will not be described in detail here. The stabilizing slide rod 29 is limited to sliding on the stabilizing groove 28; its specific structure can be described by... Figure 7 It is known that the stabilizing slide bar 29 of this structure will not fall out of the stabilizing slide groove 28. The ratio of the number of teeth of the pinion 23 to the number of teeth of the gear 25 is 1:5, which ensures that the gear 25 rotates slowly while the pinion 23 is rotating.

[0045] In this embodiment, when the first drive shaft 16 and the second drive shaft 19 rotate, they will drive the two small gears 23 to rotate. With the cooperation of the small gears 23 and the large gear 25, the large gear 25 will drive the connecting shaft 26 to rotate around the auxiliary rotating shaft 24. With the cooperation of the connecting shaft 26 and the drive rod 27, the cooperation of the drive rod 27 and the lifting rod 30, and the limiting sliding of the stabilizing slide rod 29 and the stabilizing slide groove 28, the reciprocating lifting of the lifting rod 30 will drive the cleaning brush plate 33 on the U-shaped frame rod 32 to reciprocate. The lifting brush plate 33 can effectively clean the heat dissipation fins 12, ensuring the heat dissipation effect of the heat dissipation fins 12 on the wire drawing die 4. At the same time, the bristles on the cleaning brush plate 33 can evenly smooth the cold water sprayed on the heat dissipation fins 12 to form a uniform water film and improve the heat dissipation efficiency of the heat dissipation fins 12.

[0046] Symmetrically arranged side plates 34 are fixedly installed on the U-shaped fixed plate 6. Rotary joints 35 are rotatably installed on both side plates 34. A spray pipe 36 is fixedly installed at one end of the rotary joint 35, and a spray hole 37 is opened on the spray pipe 36. A connecting pipe 38 is rotatably installed at the other end of the rotary joint 35. A connecting frame rod 39 is fixedly installed on the outer side of the lifting rod 30. An auxiliary pull rod 40 is rotatably installed on the connecting frame rod 39. An intermittent sleeve 41 is slidably installed on the outer side of the spray pipe 36. An auxiliary gear 42 is fixedly installed on the spray pipe 36. A connecting crossbar 43 is fixedly installed on the front surface of the lifting rod 30. A first vertical rod 44 and a second vertical rod 45 are fixedly installed on the lower end face of the connecting crossbar 43. The first toothed block group 46 and the second toothed block group 47 are fixedly installed on the two vertical rods 45 respectively. The end of the auxiliary pull rod 40 away from the connecting frame rod 39 is rotatably installed on the intermittent sleeve 41. The auxiliary pull rod 40 is arranged at an angle. The end of the connecting pipe 38 away from the rotary joint 35 is fixedly connected to the drain pipe 7. The first toothed block group 46 and the second toothed block group 47 are arranged alternately. The first vertical rod 44 and the second vertical rod 45 are arranged symmetrically. The auxiliary gear 42 meshes with the first toothed block group 46 and the second toothed block group 47 in sequence. The friction between the intermittent sleeve 41 and the spray pipe 36 is very small and there will be no jamming. At the same time, when the two intermittent sleeves 41 are combined, the spray hole 37 on the spray pipe 36 will be in a closed state.

[0047] In this embodiment, when the wire drawing die 4 is working, cold water is supplied through the water pipe 10 and then through the diversion pipe 9 into the drain pipe 7. The cold water in the drain pipe 7 is sprayed onto the wire drawing die 4 through the spray nozzle 8. At the same time, the heat on the wire drawing die 4 is transferred to the heat dissipation fins 12 through the heat conduction plate 11. The heat dissipation fins 12 continuously dissipate the heat on the wire drawing die 4. Meanwhile, the cold water in the drain pipe 7 is transported to the spray pipe 36 through the rotary joint 35 via the connecting pipe 38. The cold water is sprayed onto the heat dissipation fins 12 through the spray pipe 36, which accelerates the heat dissipation of the heat dissipation fins 12. Through the cooperation of the heat dissipation fins 12 and the cold water, the temperature of the wire drawing die 4 is effectively controlled, reducing dimensional deviations or surface adhesive wear caused by thermal expansion. It also avoids overheating due to friction between the wire drawing die 4 and the cable, which could lead to damage to the wire drawing die 4. When the lifting rod 30 reciprocates, it will synchronously drive the auxiliary pull rod 40 on the connecting frame rod 39 to rise and fall synchronously. The intermittent sleeve 41 on the spray pipe 36 uses the pushing and pulling force of the auxiliary pull rod 40 to move back and forth on the spray pipe 36. The intermittent sleeve 41 periodically blocks and exposes the spray hole 37 to achieve pulse spraying, effectively avoiding water waste or local overcooling of the heat dissipation fins 12 caused by continuous spraying, and improving the heat dissipation effect of the wire drawing die 4. When the lifting rod 30 moves up and down, it will drive the connecting crossbar 43 to move synchronously. The first vertical rod 44 and the second vertical rod 45 on the connecting crossbar 43 drive the first tooth block group 46 and the second tooth block group 47 to move up and down synchronously, respectively. With the intermittent meshing of the first tooth block group 46 and the second tooth block group 47 with the auxiliary gear 42 on the spray pipe 36 and the action of the rotary joint 35, the spray pipe 36 is ensured to be in an oscillating state when spraying cold water through the spray hole 37. The oscillating spray pipe 36 can evenly spray cold water onto the heat dissipation fins 12, further improving the heat dissipation effect of the wire drawing die 4.

[0048] S1. In use, the cable on the wire feeding frame passes sequentially through the wire guide wheel 3, the wire drawing die 4, the first actuating wheel 17, and the second actuating wheel 20. The existing traction mechanism is used to achieve the drawing. At the same time, the drive motor 22 is started. The drive motor 22 drives the second gear 21 on the second drive shaft 19 and the second actuating wheel 20 to rotate. The cooperation between the second gear 21 and the first gear 18 causes the first actuating wheel 17 on the first drive shaft 16 to rotate. The co-rotation of the first actuating wheel 17 and the second actuating wheel 20 can counteract the vibration of the wire at the exit of the wire drawing die 4, reduce the impact of shaking on the surface finish, and effectively improve the wire drawing effect of the device.

[0049] S2. When the wire drawing die 4 is working, cold water is introduced into the drain pipe 7 through the water supply pipe 10 and the diversion pipe 9. The cold water in the drain pipe 7 is sprayed onto the wire drawing die 4 through the spray nozzle 8. At the same time, the heat on the wire drawing die 4 is transferred to the heat dissipation fins 12 through the heat conduction plate 11. The heat dissipation fins 12 continuously dissipate the heat on the wire drawing die 4. At the same time, the cold water in the drain pipe 7 is transported to the spray pipe 36 through the rotary joint 35 through the connecting pipe 38. The cold water is sprayed onto the heat dissipation fins 12 through the spray pipe 36 to accelerate the heat dissipation of the heat dissipation fins 12. Through the cooperation of the heat dissipation fins 12 and the cold water, the temperature of the wire drawing die 4 is effectively controlled, reducing dimensional deviations or surface adhesive wear caused by thermal expansion. It also avoids overheating due to friction between the wire drawing die 4 and the cable, which could lead to damage to the wire drawing die 4.

[0050] S3. When the first drive shaft 16 and the second drive shaft 19 rotate, they will drive the two small gears 23 to rotate. With the cooperation of the small gears 23 and the large gear 25, the large gear 25 will drive the connecting shaft 26 to rotate around the auxiliary rotating shaft 24. With the cooperation of the connecting shaft 26 and the drive rod 27, the cooperation of the drive rod 27 and the lifting rod 30, and the limiting sliding of the stabilizing slide rod 29 and the stabilizing slide groove 28, the reciprocating lifting of the lifting rod 30 will drive the cleaning brush plate 33 on the U-shaped frame rod 32 to reciprocate. The lifting brush plate 33 can effectively clean the heat dissipation fins 12, ensuring the heat dissipation effect of the heat dissipation fins 12 on the wire drawing die 4. At the same time, the brush bristles on the cleaning brush plate 33 can evenly smooth the cold water sprayed on the heat dissipation fins 12 to form a uniform water film and improve the heat dissipation efficiency of the heat dissipation fins 12.

[0051] S4. When the lifting rod 30 moves up and down, it will simultaneously drive the auxiliary pull rod 40 on the connecting frame rod 39 to move up and down. The intermittent sleeve 41 on the spray pipe 36 will use the pushing and pulling force of the auxiliary pull rod 40 to move back and forth on the spray pipe 36. The intermittent sleeve 41 will periodically block and expose the spray hole 37 to achieve pulse spraying, effectively avoiding water waste or local overcooling of the heat dissipation fins 12 caused by continuous spraying, and improving the heat dissipation effect of the wire drawing die 4.

[0052] S5. When the lifting rod 30 reciprocates, it will synchronously drive the connecting crossbar 43 to move synchronously. The first vertical rod 44 and the second vertical rod 45 on the connecting crossbar 43 will drive the first tooth block group 46 and the second tooth block group 47 to move synchronously. By utilizing the intermittent meshing of the first tooth block group 46 and the second tooth block group 47 with the auxiliary gear 42 on the spray pipe 36 and the action of the rotary joint 35, it is ensured that the spray pipe 36 is in a swinging state when spraying cold water through the spray hole 37. The swinging spray pipe 36 can evenly spray cold water onto the heat dissipation fins 12, further improving the heat dissipation effect of the wire drawing die 4.

[0053] This technical solution aims to overcome the technical bottlenecks in DC charging pile cables. Utilizing the aforementioned structure, a flexible, lightweight, small-diameter, large-diameter DC charging pile cable can be effectively developed. Traditional 250A-2X80 charging pile cables have an outer diameter of 40mm, are heavy, rigid, and difficult to drag during use, resulting in a poor user experience. This technical solution, through continuous structural optimization, improves the customer's user experience and overcomes the technical bottlenecks of flexible, lightweight, small-diameter, large-diameter DC cables. This solution can replace the 2X80 main line with a 4X35 cable, optimizing the outer diameter to 30mm. The smaller outer diameter compared to 2X80 results in better flexibility, lighter weight, and a charging current that meets 250A requirements.

[0054] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0055] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention.

Claims

1. A wire drawing device for producing cable cores, comprising a device body (1), characterized in that: The device body (1) is provided with a wire drawing groove (2), a closed door (48) is rotatably installed on the front side of the wire drawing groove (2), a handle (49) is fixedly installed on the closed door (48), a lighting lamp (50) is fixedly installed on the device body (1), a plurality of guide wheels (3) are rotatably installed inside the wire drawing groove (2), a wire drawing mold (4) is fixedly installed inside the wire drawing groove (2) and inside the guide wheels (3), and a wastewater tank (5) is provided at the bottom of the wire drawing groove (2). A U-shaped fixed plate (6) is fixedly installed inside the wire drawing groove (2) and outside the wire drawing die (4). A toggle assembly is provided on the inner side of the U-shaped fixed plate (6). The toggle assembly includes a first bearing (14) and a second bearing (15) fixedly installed on the U-shaped fixed plate (6). A first drive shaft (16) is fixedly installed on the first bearing (14). A first toggle wheel (17) and a first gear (18) are fixedly installed on the first drive shaft (16). A second drive shaft (15) is fixedly installed on the second bearing (15). 19), a second actuating wheel (20) and a second gear (21) are fixedly installed on the second drive shaft (19), a drive motor (22) is fixedly installed at one end of the second drive shaft (19), the first gear (18) and the second gear (21) mesh, the inner side of the wire drawing groove (2) is provided with a mounting groove for use with the drive motor (22), the first bearing (14) and the second bearing (15) are symmetrically arranged, and the first actuating wheel (17) and the second actuating wheel (20) are located directly below the wire drawing die (4); The outer side of the U-shaped fixed plate (6) is fixedly installed with symmetrically arranged drain pipes (7), and a water spray head (8) is fixedly connected to the drain pipes (7). A diversion pipe (9) is fixedly connected to the two drain pipes (7), and a water supply pipe (10) is fixedly connected to the diversion pipe (9). A heat-conducting plate (11) is fixedly installed on the outer side of the wire drawing die (4), and heat dissipation fins (12) are fixedly installed on the heat-conducting plate (11). A heat-conducting groove (13) is opened on the U-shaped fixed plate (6). An auxiliary component is provided on the U-shaped fixed plate (6). The auxiliary component includes a small gear (23) fixedly installed on the first drive shaft (16) and the second drive shaft (19). An auxiliary rotating shaft (24) is rotatably installed on the outer side of the U-shaped fixed plate (6). A large gear (25) is fixedly installed on the auxiliary rotating shaft (24). A connecting shaft (26) is fixedly installed on the outer side of the large gear (25). A drive rod (27) is rotatably installed on the connecting shaft (26). A stabilizing groove (28) is provided on the U-shaped fixed plate (6). A stabilizing slide rod (29) is slidably installed on the stabilizing groove (28). A lifting rod (30) is fixedly installed at the end of the stabilizing slide rod (29). A fixing rod (31) is fixedly installed at the top of the lifting rod (30). A U-shaped frame rod (32) is fixedly installed on the fixing rod (31). Multiple cleaning brush plates (33) are fixedly installed inside the U-shaped frame rod (32).

2. The wire drawing device for cable core production according to claim 1, characterized in that: The small gear (23) meshes with the large gear (25), the end of the drive rod (27) away from the connecting shaft (26) is rotatably mounted on the bottom end of the lifting rod (30), the U-shaped frame rod (32) is located on the outside of the heat dissipation fins (12), and the single cleaning brush plate (33) is located between the two heat dissipation fins (12).

3. The wire drawing device for cable core production according to claim 2, characterized in that: The U-shaped fixed plate (6) is fixedly installed with symmetrically arranged side plates (34). Rotary joints (35) are rotatably installed on both side plates (34). A spray pipe (36) is fixedly installed on one end of the rotary joint (35). A spray hole (37) is opened on the spray pipe (36). A connecting pipe (38) is rotatably installed on the other end of the rotary joint (35). A connecting frame rod (39) is fixedly installed on the outer side of the lifting rod (30). An auxiliary pull rod (40) is rotatably installed on the connecting frame rod (39). An intermittent sleeve (41) is slidably installed on the outer side of the spray pipe (36).

4. The wire drawing device for cable core production according to claim 3, characterized in that: An auxiliary gear (42) is fixedly installed on the spray pipe (36). A connecting crossbar (43) is fixedly installed on the front surface of the lifting rod (30). A first vertical rod (44) and a second vertical rod (45) are fixedly installed on the lower end face of the connecting crossbar (43). A first tooth block group (46) and a second tooth block group (47) are fixedly installed on the first vertical rod (44) and the second vertical rod (45), respectively.

5. The wire drawing device for cable core production according to claim 4, characterized in that: The auxiliary pull rod (40) is rotatably mounted on the intermittent sleeve (41) at one end away from the connecting frame rod (39). The auxiliary pull rod (40) is arranged at an angle. The end of the connecting pipe (38) away from the rotary joint (35) is fixedly connected to the drain pipe (7). The first tooth block group (46) and the second tooth block group (47) are arranged alternately. The first vertical rod (44) and the second vertical rod (45) are arranged symmetrically. The auxiliary gear (42) meshes with the first tooth block group (46) and the second tooth block group (47) in sequence.

6. A method for drawing wires for producing cable cores, based on the wire drawing device for producing cable cores as described in claim 5, characterized in that, Includes the following steps: S1. In use, the cable on the wire feeding frame passes through the wire guide wheel (3), the wire drawing die (4), the first actuating wheel (17), and the second actuating wheel (20) in sequence. The existing traction mechanism is used to achieve the drawing. At the same time, the drive motor (22) is started. The drive motor (22) drives the second gear (21) on the second drive shaft (19) and the second actuating wheel (20) to rotate. By using the cooperation between the second gear (21) and the first gear (18), the first actuating wheel (17) on the first drive shaft (16) rotates. By the same direction of rotation of the first actuating wheel (17) and the second actuating wheel (20), the vibration of the wire at the exit of the wire drawing die (4) can be offset, the impact of shaking on the surface finish can be reduced, and the wire drawing effect of the device can be effectively improved. S2. When the wire drawing die (4) is working, cold water is introduced into the drain pipe (7) through the water supply pipe (10) and the branch pipe (9). The cold water in the drain pipe (7) is sprayed onto the wire drawing die (4) through the spray nozzle (8). At the same time, the heat on the wire drawing die (4) is transferred to the heat dissipation fins (12) through the heat conduction plate (11). The heat dissipation fins (12) continuously dissipate the heat on the wire drawing die (4). At the same time, the heat is discharged through the connecting pipe (38). The cold water on the water pipe (7) is delivered to the spray pipe (36) through the rotary joint (35). The cold water is sprayed onto the heat dissipation fins (12) through the spray pipe (36) to accelerate the heat dissipation of the heat dissipation fins (12). Through the cooperation of the heat dissipation fins (12) and the cold water, the temperature of the wire drawing die (4) is effectively controlled, reducing the dimensional deviation or surface adhesion wear caused by thermal expansion. At the same time, it also avoids the friction between the wire drawing die (4) and the cable overheating, which would lead to the damage of the wire drawing die (4). S3. When the first drive shaft (16) and the second drive shaft (19) rotate, they will drive the two small gears (23) to rotate. With the cooperation of the small gears (23) and the large gear (25), the large gear (25) will drive the connecting shaft (26) to rotate around the auxiliary rotating shaft (24) when it rotates. With the cooperation of the connecting shaft (26) and the drive rod (27), the cooperation of the drive rod (27) and the lifting rod (30), and the limiting of the stabilizing slide rod (29) and the stabilizing groove (28), the connecting shaft (26) and the drive rod (27) will rotate. Sliding, the lifting rod (30) is used to drive the cleaning brush plate (33) on the U-shaped frame rod (32) to move back and forth. The lifting cleaning brush plate (33) can effectively clean the heat dissipation fins (12) and ensure the heat dissipation effect of the heat dissipation fins (12) on the wire drawing die (4). At the same time, the brush bristles on the cleaning brush plate (33) can be used to evenly smooth the cold water sprayed on the heat dissipation fins (12) to form a uniform water film and improve the heat dissipation efficiency of the heat dissipation fins (12). S4. When the lifting rod (30) moves up and down, it will drive the auxiliary pull rod (40) on the connecting frame rod (39) to move up and down synchronously. The intermittent sleeve (41) on the spray pipe (36) will use the pushing and pulling force of the auxiliary pull rod (40) to move back and forth on the spray pipe (36). The intermittent sleeve (41) will periodically block and expose the spray hole (37) to achieve pulse spraying, effectively avoiding water waste or local overcooling of the heat dissipation fins (12) caused by continuous spraying, and improving the heat dissipation effect of the wire drawing die (4). S5. When the lifting rod (30) moves up and down, it will drive the connecting crossbar (43) to move synchronously. The first vertical rod (44) and the second vertical rod (45) on the connecting crossbar (43) will drive the first tooth block group (46) and the second tooth block group (47) to move up and down synchronously. By using the first tooth block group (46) and the second tooth block group (47) to intermittently mesh with the auxiliary gear (42) on the spray pipe (36) and the function of the rotary joint (35), it is ensured that the spray pipe (36) is in a swinging state when spraying cold water through the spray hole (37). The swinging spray pipe (36) can evenly spray cold water onto the heat dissipation fins (12), further improving the heat dissipation effect of the wire drawing die (4).

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