Wire drawing machine for cable manufacturing

Abstract

The invention provides a wire drawing machine for cable manufacturing, and relates to the technical field of cable manufacturing, the wire drawing machine comprises first wire drawing rollers and second wire drawing rollers which are installed at the upper end of an operation table, the first wire drawing rollers are distributed in the horizontal direction, the second wire drawing rollers rotate at one end of the operation table, a first stretching groove is installed between every two sets of first wire drawing rollers, and a second stretching groove is installed between every two sets of second wire drawing rollers; according to the copper wire drawing device, lubricating oil can be preheated while a copper wire is preheated, and then before the copper wire enters the first drawing groove, if the copper wire is excessively preheated through the first heating pipe, and after the copper wire makes contact with the lubricating oil, the lubricating oil can conduct out redundant heat of the copper wire, and the copper wire is drawn out through the second drawing groove; and when the copper wire is preheated too little and the copper wire is in contact with the lubricating oil, the lubricating oil has a certain temperature after being preheated, so that the heat of the lubricating oil can be conducted to the copper wire, and the preheating temperature position of the copper wire at the upper end is maintained within a certain range.

Description

Technical Field

[0001] The invention relates to the technical field of cable manufacturing, in particular to a wire drawing machine for cable manufacturing. Background Art

[0002] In the cable manufacturing process, wire drawing is a key process for stretching thicker copper wire (or other metal wire) through a die into a thinner diameter, standard-compliant wire, and the wire drawing machine is the core equipment for realizing this process.

[0003] When traditional devices are used for wire drawing, the copper wire needs to be preheated before drawing because the force distribution during the stretching process of the copper wire during cooling is uneven. During the preheating of the copper wire, if the temperature distribution is uneven due to thickness or other reasons, the preheating temperature of the copper wire will be unstable, thereby affecting the accuracy of the copper wire during drawing. Summary of the Invention

[0004] In order to solve the technical problem that in traditional wire drawing devices, the force distribution of the copper wire during the stretching process when cooling is uneven, and the copper wire needs to be preheated before wire drawing, if the temperature of the copper wire is unevenly distributed due to thickness or other reasons during preheating, it will lead to unstable preheating temperature of the copper wire, thereby affecting the accuracy of the copper wire during drawing, the present invention provides a wire drawing machine for cable manufacturing.

[0005] The technical solutions provided by the embodiments of the present invention are as follows: An embodiment of the present invention provides a wire drawing machine for cable manufacturing, comprising: a first wire drawing roller and a second wire drawing roller installed at the upper end of an operating table, wherein the first wire drawing rollers are horizontally distributed, and the second wire drawing rollers rotate at one end of the operating table, a first stretching groove is installed between each pair of the first wire drawing rollers, and a second stretching groove is installed between the first wire drawing rollers and the second wire drawing rollers; A first heating tube is installed at one end of the first stretching tank, a first storage tank is installed inside the first stretching tank, a mold tank is installed on one side of the first storage tank, two groups of first limiting rods are slidably mounted on one side of the mold tank, two groups of connecting frames are slidably mounted on both sides of the first stretching tank, one end of the two groups of connecting frames is connected to a scraper ring, and one side of the two groups of connecting frames is slidably mounted with a push rod; A second heating pipe is installed at one end of the second stretching tank. The outer side of the second heating pipe is connected to a connecting pipe C. The outer side of the connecting pipe C is connected to a second storage tank.

[0006] In an optional embodiment, multiple groups of the first wire-drawing rollers are installed on the upper end of the operating table, and the outer sides of the first heating tube and the second heating tube are connected to connecting tube A, the other end of the connecting tube A is connected to the hot air blower, and the outer side of the first heating tube is connected to connecting tube B.

[0007] In an optional embodiment, two sets of oil supply pipes are installed on both sides of the first storage tank and the second storage tank, and pressure relief pipes are installed on the upper ends of the first storage tank and the second storage tank, and the pressure relief pipes pass through the first stretching tank and the second stretching tank and extend to the outside. The lower end of the first storage tank is connected to a branch pipe A, and the branch pipe A passes through the first stretching tank and extends to the outside and is connected to the connecting pipe B. The lower ends of the first stretching tank and the second stretching tank are both connected to a guide pipe, and the guide pipe passes through the first stretching tank and the second stretching tank and extends to the inside.

[0008] In an optional embodiment, the two groups of the first limiting rods are connected to a first threaded rod on one side close to the inner wall of the second wire-pulling roller, one end of the first threaded rod passes through the first stretching groove and extends to the outside, and the first limiting rod is threadedly connected to the outer wall of the first stretching groove.

[0009] In an optional embodiment, mold grooves are installed inside the first stretching groove and the second stretching groove, and a connecting frame is movably connected to the outer side of the first threaded rod.

[0010] In an optional embodiment, one end of the connecting tube B is connected to two groups of guide tubes, and push rods are movably connected inside the two groups of guide tubes. A pressure relief valve is connected to the outside of the guide tube, and one end of the push rod is connected to the push rod.

[0011] In an optional embodiment, the output end of the connecting tube C is located at the other end of the second stretching groove, and the diameter of the output end of the connecting tube C is half of the inner diameter of the connecting tube C.

[0012] In an optional embodiment, a second storage tank is installed inside the second stretching tank, and a branch pipe B is connected to the lower end of the second storage tank. The branch pipe B passes through the second stretching tank and extends to the outside to be connected to the connecting pipe C.

[0013] In an optional embodiment, two groups of second limiting rods are provided inside the second stretching groove, and the two groups of second limiting rods are connected to a second threaded rod on one side close to the inner wall of the second stretching groove. The second threaded rods pass through the second stretching groove and extend to the outside, and the second threaded rods are threadedly connected to the outer wall of the second stretching groove.

[0014] The beneficial effects brought about by the technical solution provided by the embodiment of the present invention include at least: The present invention preheats the lubricating oil while preheating the copper wire. Since the lubricating oil has a heat conducting effect, before the copper wire enters the first stretching tank, if the copper wire is overheated by the first heating tube, the lubricating oil will conduct away the excess heat of the copper wire when the copper wire contacts the lubricating oil, thereby preventing the copper wire from being overheated. If the copper wire is underheated, the lubricating oil has a certain temperature after preheating when the copper wire contacts the lubricating oil. Therefore, when the copper wire is underheated, the heat of the lubricating oil will be conducted to the copper wire, thereby maintaining the preheating temperature position of the upper copper wire within a certain range, thereby stabilizing the preheating temperature of the copper wire within an appropriate range, allowing it to maintain good plasticity, and avoiding the copper wire being easily broken or oxidized on the surface during stretching due to excessively high temperature, or the copper wire being hardened and having a large stretching resistance due to excessively low temperature, thereby affecting the dimensional accuracy and surface smoothness after stretching. The present invention prevents the lubricating oil from being attached to the surface of the next group of first wire-drawing rollers or the second wire-drawing rollers along with the copper wire and agglomerating thereon, causing uneven surfaces of the first wire-drawing roller and the second wire-drawing roller, thereby preventing the copper wire from being deformed during pulling. At the same time, it also prevents the lubricating oil from forming an isolation layer on the surface of the copper wire after entering the rear end along with the copper wire, which insulates the subsequent copper wire preheating. This prevents the lubricating oil from agglomerating on the surface of the wire-drawing roller, causing the copper wire to be deformed due to uneven force during stretching, thereby ensuring the dimensional accuracy and surface flatness of the copper wire and reducing the lubricating oil from entering the rear end along with the copper wire, thereby preventing the lubricating oil from forming an isolation layer on the surface of the copper wire, which affects the subsequent preheating effect, thereby ensuring that the next preheating is maintained within a stable range, and providing a suitable copper wire state for the next stretching. After the lubricating oil is air-dried, the present invention forms a thin and dense protective film on the surface of the copper wire, thereby physically isolating the air, moisture and corrosive impurities in the environment, effectively delaying the oxidation and rusting of the copper wire. At the same time, when the lubricating oil attached to the surface of the copper wire after stretching is not completely removed, it will play a buffering and lubricating role when the copper wire is wound. When the copper wire is wound in multiple layers on the winding roller, the oil film can reduce the direct contact friction between the metal layers, avoiding surface scratches, indentations or adhesion between wires caused by uneven winding tension. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 This is one of the overall structural diagrams of the present invention.

[0017] Figure 2 This is the second schematic diagram of the overall structure of the present invention.

[0018] Figure 3 This is one of the partial structural cross-sectional views of the present invention.

[0019] Figure 4 This is the second partial structural cross-sectional view of the present invention.

[0020] Figure 5 This is a diagram showing the internal structure of the first stretching tank of the present invention.

[0021] Figure 6 This is a diagram of the internal structure of the second stretching tank of the present invention.

[0022] Figure 7 This is one of the cross-sectional views of the internal structure of the first stretching tank of the present invention.

[0023] Figure 8 This is the second cross-sectional view of the internal structure of the first stretching tank of the present invention.

[0024] Figure 9 This is a cross-sectional view of the internal structure of the second stretching tank of the present invention.

[0025] Figure numerals: 1. operating table; 2. first wire drawing roller; 3. second wire drawing roller; 4. first stretching groove; 5. second stretching groove; 6. first heating tube; 7. connecting tube A; 8. connecting tube B; 9. branch tube A; 10. first storage tank; 11. oil supply pipe; 12. mold tank; 13. first limiting rod; 14. first threaded rod; 15. connecting frame; 16. scraper ring; 17. guide tube; 18. push rod; 19. pressure relief valve; 20. push rod; 21. guide tube; 22. connecting tube C; 23. second heating tube; 24. branch tube B; 25. second storage tank; 26. second limiting rod; 27. second threaded rod.

[0026] As shown in the figure, in order to clearly implement the structure of the embodiment of the present invention, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the present invention to the specific structure, device and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments. DETAILED DESCRIPTION

[0027] The technical solutions of the present invention are described below with reference to the accompanying drawings. It is also noted that, to provide a more detailed description, the following embodiments are best and preferred embodiments, and those skilled in the art may employ alternative implementations for certain known technologies. Furthermore, the accompanying drawings are intended only to provide a more detailed description of the embodiments and are not intended to limit the present invention.

[0028] like Figures 1 to 9As shown, an embodiment of the present invention provides a wire drawing machine for cable manufacturing, comprising: a first wire drawing roller 2 and a second wire drawing roller 3 installed on the upper end of an operating table 1, the first wire drawing roller 2 is distributed in a horizontal direction, the second wire drawing roller 3 rotates at one end of the operating table 1, a first stretching groove 4 is installed between every two groups of the first wire drawing rollers 2, and a second stretching groove 5 is installed between the first wire drawing roller 2 and the second wire drawing roller 3.

[0029] A first heating tube 6 is installed at one end of the first stretching groove 4, a first storage groove 10 is installed inside the first stretching groove 4, a mold groove 12 is installed on one side of the first storage groove 10, two groups of first limiting rods 13 are slid on one side of the mold groove 12, two groups of connecting frames 15 are slid on both sides of the first stretching groove 4, one end of the two groups of connecting frames 15 is connected to a scraper ring 16, and a push rod 20 is slid on one side of the two groups of connecting frames 15.

[0030] A second heating pipe 23 is installed at one end of the second stretching tank 5 . The outer side of the second heating pipe 23 is connected to a connecting pipe C22 . The outer side of the connecting pipe C22 is connected to a second storage tank 25 .

[0031] In an optional embodiment, multiple groups of first wire-drawing rollers 2 are installed at the upper end of the operating table 1, and the outer sides of the first heating tube 6 and the second heating tube 23 are connected to the connecting tube A7. The other end of the connecting tube A7 is connected to the hot air blower. The outer side of the first heating tube 6 is connected to the connecting tube B8. The second wire-drawing roller 3 is installed at the end of the operating table 1, and the first wire-drawing roller 2 can be set to multiple groups according to the situation. When multiple groups of first wire-drawing rollers 2 are provided, a first stretching groove 4 is provided between each two groups of first wire-drawing rollers 2. When using the equipment, the staff will pass the drawn copper wire through the first stretching groove 4 and the second stretching groove 5 and wrap it around the multiple groups of first wire-drawing rollers. 2 and the surface of the second wire drawing roller 3, and then connect the other end of the copper wire to the wire taking-up roller. When the equipment is used, the hot air blower will be turned on synchronously. The hot air blower will deliver hot air to the inside of the first heating tube 6 and the second heating tube 23 through the connecting tube A7, thereby increasing the internal temperature of the first heating tube 6 and the second heating tube 23. At this time, the first heating tube 6 and the second heating tube 23 will conduct heat to the copper wire inside the first heating tube 6 and the second heating tube 23, thereby preheating the copper wire that needs to be stretched. Because the hot air blower continuously delivers hot air, the hot air that enters the inside of the first heating tube 6 will gradually squeeze out the excess hot air and enter the inside of the connecting tube B8.

[0032] In an optional embodiment, two sets of oil supply pipes 11 are installed on both sides of the first storage tank 10 and the second storage tank 25, and pressure relief pipes are installed on the upper ends of the first storage tank 10 and the second storage tank 25. The pressure relief pipes pass through the first stretching tank 4 and the second stretching tank 5 and extend to the outside. The lower end of the first storage tank 10 is connected to a branch pipe A9, which passes through the first stretching tank 4 and extends to the outside and is connected to the connecting pipe B8. The lower ends of the first stretching tank 4 and the second stretching tank 5 are both connected to a guide pipe 21, which passes through the first stretching tank 4 and the second stretching tank 5 and extends to the inside. Lubricating oil is stored in the first storage tank 10 and the second storage tank 25. When hot gas enters the connecting pipe B8 and is transported to the rear end, there will be Part of the hot gas enters the inside of the branch pipe A9. After the hot gas enters the inside of the branch pipe A9, the branch pipe A9 will transport the hot gas to the inside of the first storage tank 10. At this time, the hot gas will preheat the lubricating oil inside the first storage tank 10. As the hot gas continues to be transported to the inside of the first storage tank 10, the air pressure inside the first storage tank 10 will increase, so that the pressure relief pipe at the upper end of the first storage tank 10 will discharge the excess gas to the outside. When the equipment is in use, the oil supply pipe 11 will continue to transport lubricating oil to the inside of the first storage tank 10. When the equipment is in use, the lubricating oil dripping from the first storage tank 10, the second storage tank 25 and the copper wire will flow into the inside of the guide pipe 21, so that the staff can collect the lubricating oil through the guide pipe 21.

[0033] As described above, when the equipment is used, the first wire drawing roller 2 and the second wire drawing roller 3 will rotate synchronously to drive the copper wire to move, and the wire taking-up roller will rotate synchronously. When the copper wire moves, it will pass through the first storage tank 10 and enter the mold tank 12. When the copper wire passes through the first storage tank 10, the first storage tank 10 will immerse the copper wire in oil. After the copper wire enters the mold tank 12, the copper wire is squeezed and pulled by the mold tank 12, thereby reducing the outer diameter of the copper wire. In addition, while preheating the copper wire, the lubricating oil will also be preheated. Because the lubricating oil has a heat conduction effect, before the copper wire enters the first stretching tank 4, if the copper wire is preheated excessively through the first heating tube 6 When the copper wire contacts the lubricating oil, the lubricating oil will conduct away the excess heat of the copper wire to prevent the copper wire from being overheated. When the copper wire is preheated too little, the lubricating oil has a certain temperature after preheating. Therefore, when the copper wire is preheated too little, the heat of the lubricating oil will be transferred to the copper wire, thereby maintaining the preheating temperature position of the upper copper wire within a certain range, thereby stabilizing the preheating temperature of the copper wire within an appropriate range, allowing it to maintain good plasticity, and avoiding the copper wire being easily broken or oxidized during stretching due to excessively high temperature, or the copper wire being hardened and the tensile resistance being increased due to excessively low temperature, thereby affecting the dimensional accuracy and surface smoothness after stretching.

[0034] The preheating temperature will only cause the copper wire to heat up and soften, preventing the risk of burns to workers during production due to excessively high temperatures.

[0035] In an optional embodiment, the two groups of first limiting rods 13 are connected to the side of the inner wall of the second wire drawing roller 3 with a first threaded rod 14, one end of the first threaded rod 14 passes through the first stretching groove 4 and extends to the outside, and the first limiting rod 13 is threadedly connected to the outer wall of the first stretching groove 4. When using the equipment, the staff controls the distance between the two groups of first limiting rods 13 inside the first stretching groove 4 by rotating the two groups of first threaded rods 14 according to the diameter inside the mold groove 12, thereby matching the distance between the two groups of first limiting rods 13 with the diameter inside the first threaded rod 14. After the adjustment of the rod 13 is completed, when the stretched copper wire passes between the two groups of first limiting rods 13, the distance between the two groups of first limiting rods 13 matches the outer diameter of the mold groove 12 after being pulled, so when the copper wire contacts the first limiting rod 13, the first limiting rod 13 will peel off the residual lubricating oil on the outer surface of the copper wire, and if the copper wire is not pulled to the outer diameter matching the size between the two groups of first limiting rods 13 when passing through the mold groove 12, when the copper wire passes between the two groups of first limiting rods 13, the two groups of first limiting rods 13 will perform a second extrusion on the copper wire that has not been squeezed and pulled into place due to the distance between them.

[0036] In an optional embodiment, a mold groove 12 is installed inside the first stretching groove 4 and the second stretching groove 5, and a connecting frame 15 is movably connected to the outside of the first threaded rod 14. When the first threaded rod 14 is rotated, the first threaded rod 14 will not drive the connecting frame 15 to rotate, and then when the first threaded rod 14 rotates and moves, the connecting frame 15 will move synchronously, so that when the connecting frame 15 moves, it will synchronously drive the scraper ring 16 to move, so that the distance between the two groups of scraper rings 16 matches the outer diameter of the copper wire after the stretching. At this time, when the copper wire is in transportation, the two groups of scraper rings 16 will peel off most of the lubricating oil on the outer surface of the copper wire, thereby preventing the lubricating oil from adhering to the bottom along with the copper wire. A group of first wire-drawing rollers 2 or second wire-drawing rollers 3 have lumps on their surfaces, causing uneven surfaces of the first wire-drawing rollers 2 and the second wire-drawing rollers 3, which causes the copper wire to deform during pulling. At the same time, it also prevents the lubricating oil from entering the rear end along with the copper wire, where the lubricating oil forms an isolation layer on the surface of the copper wire to insulate the subsequent preheating of the copper wire, thereby avoiding the lubricating oil from caking on the surface of the wire-drawing roller, which causes the copper wire to deform due to uneven force during stretching, ensuring the dimensional accuracy and surface flatness of the copper wire, and reducing the lubricating oil from entering the rear end along with the copper wire, thereby avoiding the formation of an isolation layer on the surface of the copper wire that affects the subsequent preheating effect, ensuring that the next preheating is maintained within a stable range, and providing a suitable copper wire state for the next stretching.

[0037] In an optional embodiment, one end of the connecting tube B8 is connected to two groups of guide tubes 17, and push rods 18 are movably connected inside the two groups of guide tubes 17. A pressure relief valve 19 is connected to the outside of the guide tube 17. One end of the push rod 18 is connected to the push rod 20. After the hot air inside the first heating tube 6 enters the two groups of guide tubes 17 through the connecting tube B8, as the air pressure inside the two groups of guide tubes 17 increases, the two groups of guide tubes 17 will push the two groups of push rods 18 outward. After the two groups of push rods 18 are pushed outward, they will synchronously push the two groups of push rods 20 to move, so that the two groups of push rods 20 contact with the connecting frame 15, and then the push rods 20 limit the two groups of connecting frames 15. Because the two groups of connecting frames 15 extend a long distance, it prevents the copper wire from shaking when it contacts the two groups of scraper rings 16 during the movement, resulting in inability to fully contact the copper wire.

[0038] After the two sets of push rods 20 contact the connecting frame 15, the push rods 20 cannot move. When the push rods 20 cannot move, the hot air will be discharged outward through the pressure relief valve 19. Because the pressure relief speed of the pressure relief valve 19 is lower than the air intake speed of the connecting pipe B8, the air pressure inside the connecting pipe B8 will increase. When the air pressure inside the connecting pipe B8 increases, the air pressure inside the branch pipe A9 will be ensured to flow upward.

[0039] In an optional embodiment, the output end of the connecting pipe C22 is located at the other end of the second stretching groove 5, and the output port diameter of the connecting pipe C22 is half the inner diameter of the connecting pipe C22. After the hot air enters the second heating pipe 23 through the connecting pipe A7, the hot air will be discharged outward through the connecting pipe C22. Because the output port diameter of the connecting pipe C22 is small, when the connecting pipe C22 transports hot air, the impact force of the hot air will increase when it is discharged through the connecting pipe C22. When the connecting pipe C22 transports hot air, the air pressure inside the connecting pipe C22 will increase due to the smaller output end.

[0040] In an optional embodiment, a second storage tank 25 is installed inside the second stretching tank 5, and a branch pipe B24 is connected to the lower end of the second storage tank 25. The branch pipe B24 passes through the second stretching tank 5 and extends to the outside to be connected to the connecting pipe C22. When the air pressure inside the connecting pipe C22 increases, some hot air will enter the second storage tank 25, thereby preheating the lubricating oil inside the second storage tank 25.

[0041] In an optional embodiment, two groups of second limiting rods 26 are provided inside the second stretching groove 5, and the two groups of second limiting rods 26 are connected to the second threaded rods 27 on one side close to the inner wall of the second stretching groove 5. The second threaded rods 27 pass through the second stretching groove 5 and extend to the outside, and the second threaded rods 27 are threadedly connected to the outer wall of the second stretching groove 5. When in use, the staff controls the distance between the two groups of second limiting rods 26 by rotating the two groups of second threaded rods 27, so that the two groups of second threaded rods 27 will peel off a small part of the lubricating oil on the outside of the copper wire, and the gas blown from the output end of the above-mentioned connecting pipe C22 will promote lubrication. The lubricating oil dries on the outside of the copper wire, and a protective film is formed on the surface after the lubricating oil dries. A thin and dense protective film is formed on the surface of the copper wire after the lubricating oil dries, thereby physically isolating the corrosive impurities in the air, moisture and environment, and effectively delaying the oxidation and rusting of the copper wire. At the same time, if the lubricating oil attached to the surface of the copper wire after stretching is not completely removed, it will play a buffering and lubricating role when the copper wire is wound. When the copper wire is wound in multiple layers on the winding roller, the oil film can reduce the direct contact friction between the metal layers, and avoid surface scratches, indentations or adhesion between wires caused by uneven winding tension.

[0042] The beneficial effects brought about by the technical solution provided by the embodiment of the present invention include at least: The present invention preheats the lubricating oil while preheating the copper wire. Since the lubricating oil has a heat conducting effect, before the copper wire enters the first stretching tank, if the copper wire is overheated by the first heating tube, when the copper wire contacts the lubricating oil, the lubricating oil will conduct away the excess heat of the copper wire to prevent the copper wire from being overheated. When the copper wire is preheated too little, when the copper wire contacts the lubricating oil, since the lubricating oil has a certain temperature after preheating, when the copper wire is preheated too little, the heat of the lubricating oil will be conducted to the copper wire, thereby maintaining the preheating temperature position of the upper copper wire within a certain range, thereby stabilizing the preheating temperature of the copper wire within an appropriate range, allowing it to maintain good plasticity, and avoiding the copper wire being easily broken or oxidized on the surface during stretching due to excessively high temperature, or the copper wire being hardened and the stretching resistance being increased due to excessively low temperature, thereby affecting the dimensional accuracy and surface smoothness after stretching.

[0043] According to the present invention, when the copper wire is in transportation, the two groups of scraping rings will peel off most of the lubricating oil on the outer surface of the copper wire, thereby preventing the lubricating oil from adhering to the surface of the next group of first wire-drawing rollers or the second wire-drawing rollers along with the copper wire and agglomerating, causing the surfaces of the first wire-drawing roller and the second wire-drawing roller to be uneven, resulting in deformation of the copper wire during pulling. At the same time, it also prevents the lubricating oil from entering the rear end along with the copper wire, where the lubricating oil forms an isolation layer on the surface of the copper wire to insulate the subsequent copper wire preheating, thereby avoiding the lubricating oil agglomerating on the surface of the wire-drawing roller, causing deformation of the copper wire due to uneven force during stretching, ensuring the dimensional accuracy and surface flatness of the copper wire, and at the same time reducing the lubricating oil from entering the rear end along with the copper wire, avoiding the formation of an isolation layer on the surface of the copper wire that affects the subsequent preheating effect, ensuring that the next preheating is maintained within a stable range, and providing a suitable copper wire state for the next stretching.

[0044] After the lubricating oil is air-dried, the present invention forms a thin and dense protective film on the surface of the copper wire, thereby physically isolating the air, moisture and corrosive impurities in the environment, effectively delaying the oxidation and rusting of the copper wire. At the same time, when the lubricating oil attached to the surface of the copper wire after stretching is not completely removed, it will play a buffering and lubricating role when the copper wire is wound. When the copper wire is wound in multiple layers on the winding roller, the oil film can reduce the direct contact friction between the metal layers, avoiding surface scratches, indentations or adhesion between wires caused by uneven winding tension.

[0045] The present invention encompasses any alternatives, modifications, equivalents, and solutions that fall within the spirit and scope of the present invention. While specific details are described in detail in the preferred embodiments to provide a thorough understanding of the present invention, those skilled in the art will be able to fully understand the present invention without these details. Furthermore, to avoid unnecessary confusion regarding the essence of the present invention, well-known methods, processes, procedures, components, and circuits have not been described in detail.

[0046] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A wire drawing machine for cable manufacturing, characterized in that: include: A first wire-drawing roller and a second wire-drawing roller are installed at the upper end of the operating table, wherein the first wire-drawing roller is distributed in a horizontal direction, and the second wire-drawing roller rotates at one end of the operating table, a first stretching groove is installed between every two groups of the first wire-drawing rollers, and a second stretching groove is installed between the first wire-drawing roller and the second wire-drawing roller; A first heating tube is installed at one end of the first stretching tank, a first storage tank is installed inside the first stretching tank, a mold tank is installed on one side of the first storage tank, two groups of first limiting rods are slidably mounted on one side of the mold tank, two groups of connecting frames are slidably mounted on both sides of the first stretching tank, one end of the two groups of connecting frames is connected to a scraper ring, and one side of the two groups of connecting frames is slidably mounted with a push rod; A second heating pipe is installed at one end of the second stretching tank. The outer side of the second heating pipe is connected to a connecting pipe C. The outer side of the connecting pipe C is connected to a second storage tank.

2. The wire drawing machine for cable manufacturing according to claim 1, characterized in that: The first wire-drawing rollers are installed in multiple groups on the upper end of the operating table. The first heating tube and the second heating tube are both connected to the outside of a connecting tube A. The other end of the connecting tube A is connected to a hot air blower. The first heating tube is connected to the outside of a connecting tube B.

3. The wire drawing machine for cable manufacturing according to claim 2, characterized in that: Two sets of oil supply pipes are installed on both sides of the first storage tank and the second storage tank, and pressure relief pipes are installed on the upper ends of the first storage tank and the second storage tank, and the pressure relief pipes pass through the first stretching tank and the second stretching tank and extend to the outside. The lower end of the first storage tank is connected to a branch pipe A, and the branch pipe A passes through the first stretching tank and extends to the outside and is connected to the connecting pipe B. The lower ends of the first stretching tank and the second stretching tank are both connected to a guide pipe, and the guide pipe passes through the first stretching tank and the second stretching tank and extends to the inside.

4. The wire drawing machine for cable manufacturing according to claim 1, characterized in that: The two groups of the first limiting rods are connected to a first threaded rod on one side close to the inner wall of the second wire drawing roller. One end of the first threaded rod passes through the first stretching groove and extends to the outside. The first limiting rod is threadedly connected to the outer wall of the first stretching groove.

5. The wire drawing machine for cable manufacturing according to claim 4, characterized in that: A mold groove is installed inside the first stretching groove and the second stretching groove, and a connecting frame is movably connected to the outer side of the first threaded rod.

6. The wire drawing machine for cable manufacturing according to claim 1, characterized in that: One end of the connecting pipe B is connected to two groups of guide pipes, and push rods are movably connected inside the two groups of guide pipes. A pressure relief valve is connected to the outside of the guide pipe, and one end of the push rod is connected to the push rod.

7. The wire drawing machine for cable manufacturing according to claim 1, characterized in that: The output end of the connecting pipe C is located at the other end of the second stretching groove, and the diameter of the output end of the connecting pipe C is half of the inner diameter of the connecting pipe C.

8. The wire drawing machine for cable manufacturing according to claim 1, characterized in that: A second storage tank is installed inside the second stretching tank. The lower end of the second storage tank is connected to a branch pipe B. The branch pipe B passes through the second stretching tank and extends to the outside to be connected to the connecting pipe C.

9. The wire drawing machine for cable manufacturing according to claim 1, characterized in that: Two groups of second limiting rods are arranged inside the second stretching groove. The two groups of second limiting rods are connected to a second threaded rod on one side close to the inner wall of the second stretching groove. The second threaded rods pass through the second stretching groove and extend to the outside, and the second threaded rods are threadedly connected to the outer wall of the second stretching groove.

Images