A cable production line

Abstract

The present invention discloses a cable production line, belonging to the technical field of cable production. A cable production line includes a bracket and an extruder fixedly mounted on the bracket, and also includes: a first sleeve with open ends, rotatably connected to the bracket, and one end of the first sleeve faces the extrusion head output end of the extruder, wherein a plurality of nozzles distributed in a circle are fixedly mounted in the first sleeve, and nozzles facing the axis of the first sleeve are fixedly mounted on the plurality of nozzles, and a swinging part driving the first sleeve to reciprocate around its axis is provided on the bracket; the present invention sprays cooling water onto the cable more evenly, so that the outer wall of the cable is cooled more evenly and efficiently, and stress concentration is not likely to occur, which indirectly guarantees the service life of the cable.

Description

Technical Field

[0001] The invention relates to the technical field of cable production, and in particular to a cable production line. Background Art

[0002] Cables include power cables, control cables, compensation cables, shielded cables, high-temperature cables, computer cables, signal cables, coaxial cables, fire-resistant cables, marine cables, mining cables, aluminum alloy cables, etc. They are all composed of single or multiple strands of wires and insulation layers, and are used to connect circuits, electrical appliances, etc.; during the production process, cables need to go through steps such as extrusion and water cooling.

[0003] In the prior art, when cooling the extruded cable, water is mainly sprayed directly onto the outer wall of the cable, and the direction of the water flow remains unchanged, which will cause the rubber sheath on the side of the cable facing the water flow to cool down faster, thus causing the rubber sheath on the outer wall of the cable to cool down unevenly, making it easy for stress concentration to occur in the local position of the rubber sheath, which may indirectly affect the service life of the cable. Summary of the invention

[0004] The purpose of the present invention is to solve the problem in the prior art that the rubber sleeve on the outer wall of the cable is not cooled uniformly, and to propose a cable production line.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A cable production line comprises a bracket and an extruder fixedly mounted on the bracket, and further comprises: a first sleeve with open ends, rotatably connected to the bracket, and one end of the first sleeve faces the extrusion head output end of the extruder, wherein a plurality of circumferentially distributed nozzles are fixedly mounted in the first sleeve, and nozzles facing the axis of the first sleeve are fixedly mounted on the plurality of nozzles, and the bracket is provided with a swinging part for driving the first sleeve to reciprocate around its axis.

[0007] In order to improve the uniformity of cooling of the cable sheath, preferably, the swinging part includes a reciprocating screw rotatably mounted on a bracket, and the outer wall of the reciprocating screw is threadedly connected to a reciprocating slider, wherein a rack perpendicular to the axis of the first sleeve is fixedly connected to the reciprocating slider, a driven gear meshing with the rack is fixedly mounted on the outer wall of the first sleeve, and a motor for driving the reciprocating screw to rotate is fixedly mounted on the bracket.

[0008] In order to facilitate the nozzle to spray cooling water, further, a water tank is fixedly installed on the bracket, a water pump is fixedly installed at the lower end of the water tank, the input end of the water pump extends into the water tank, wherein the output end of the water pump is fixedly connected to a main pipeline, and the main pipeline is fixedly connected and communicated with the nozzle through a first hose.

[0009] In order to pre-cool the cable, preferably, a second sleeve with open ends is rotatably mounted on the bracket, the axis of the second sleeve is colinear with the axis of the first sleeve, and the second sleeve is arranged between the first sleeve and the extruder, and a negative pressure component for sucking air into the second sleeve is provided on the bracket.

[0010] In order to facilitate the generation of flowing air in the second sleeve, the negative pressure component further includes a rotating tube rotatably connected to the bracket, the inner wall of the rotating tube is fixedly mounted with fan blades, and the outer wall of the rotating tube is mounted with a passive gear through a one-way bearing, wherein the outer wall of the second sleeve is fixedly mounted with a driving gear meshing with the passive gear, the input end of the rotating tube is fixedly connected with a negative pressure tube, the input end of the negative pressure tube is fixedly connected with a second hose, the end of the second hose extends into the second sleeve, and the axial end of the second sleeve is fixedly connected to the first sleeve via a connecting rod.

[0011] In order to facilitate the preheating of the battery core of the cable, further, a preheating hood is fixedly connected to the bracket, and the side wall of the preheating hood is provided with a through hole facing the input end of the extruder, wherein the outer walls on both sides of the preheating hood are respectively fixedly connected with a hot air pipe and an air intake pipe, the input end of the air intake pipe is fixedly connected to the output end of the negative pressure pipe, and the axis of the hot air pipe is perpendicular to the axis of the through hole.

[0012] In order to chop and scratch the raw materials of the extruder, further, a short tube is rotatably installed in the feeding port of the extruder, and a plurality of circumferentially distributed long strip blades are fixedly installed on the outer wall of the short tube. A linkage part for driving the short tube to rotate is provided on the feeding port.

[0013] In order to make the long strip blade revolve in the feeding port, preferably, the linkage part includes a connecting pipe fixedly connected between the hot air pipe and the short pipe, and an exhaust hole connected to the short pipe is opened on the blade back of the long strip blade.

[0014] In order to facilitate the collection of waste water generated in the first sleeve, preferably, the outer wall of the first sleeve is provided with a plurality of drainage holes distributed circumferentially, and a recovery box is fixedly connected to the bracket, with the upper port of the recovery box facing the drainage holes.

[0015] To facilitate the use of the nozzle, preferably, a support plate is fixedly connected to the bracket, a swing plate is fixedly connected to the outer wall of the first sleeve, a telescopic airbag is fixedly installed between the swing plate and the support plate, wherein the telescopic airbag is fixedly connected to an intake pipe and an exhaust pipe connected thereto, a one-way valve is fixedly installed in each of the intake pipe and the exhaust pipe, and the end of the exhaust pipe extends into the water tank.

[0016] Compared with the prior art, the present invention provides a cable production line, which has the following beneficial effects:

[0017] 1. The cable production line drives the nozzle and the nozzle to reciprocate around the cable through the cooperation of the motor and the reciprocating screw. The nozzle can spray cooling water onto the cable more evenly, making the outer wall of the cable cooled more evenly and efficiently, and less prone to stress concentration, which indirectly guarantees the service life of the cable.

[0018] 2. The cable production line drives the second sleeve to reciprocate through the first sleeve, and the second sleeve will absorb air through the ports on both sides. When the airflow passes through the second sleeve, the cable can be initially cooled by air to avoid stress concentration caused by rapid cooling of the cable by cooling water. The reciprocating second sleeve will also disturb the airflow inside it, so that the outer wall of the cable can be pre-cooled more evenly.

[0019] 3. The cable production line exhausts the preheating hood through the air inlet pipe, and the preheating hood exhausts the internal air through the hot air duct. When the hot air passes through the preheating hood, the cable core that is about to enter the extruder can be preheated so that the protective cover can be better wrapped on the cable core.

[0020] 4. The cable production line exhausts the short tube through the hot air duct. The short tube will discharge the hot air from the exhaust hole on the long blade to the feeding port of the extruder, so as to preheat the cable sheath raw material to facilitate the extruder to extrude the cable sheath. In addition, the rubber material can also absorb some odor in the hot air to reduce the odor pollution of the surrounding air.

[0021] 5. The cable production line exhausts air through the exhaust holes to make the long blade revolve around the axis of the short tube. The long blade can cut and stir the raw materials in the feeding port. On the one hand, it can make the waste heat of the raw materials more evenly and efficiently and absorb odors more efficiently. On the other hand, the long blade can also chop and scratch the raw materials through the blade to increase the surface area of ​​the raw materials, thereby improving the effect of preheating and odor absorption. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the axonometric structure of a cable production line proposed by the present invention from a first perspective;

[0023] Figure 2 A schematic diagram of the axonometric structure of a cable production line proposed by the present invention from a second viewing angle;

[0024] Figure 3 This is a schematic diagram of a partial axonometric structure of a cable production line proposed by the present invention;

[0025] Figure 4 This is a schematic diagram of the axonometric structure of a first sleeve of a cable production line proposed by the present invention;

[0026] Figure 5This is a schematic diagram of the isometric structure of a nozzle of a cable production line proposed by the present invention;

[0027] Figure 6 This is a schematic diagram of the axonometric structure of a second sleeve of a cable production line proposed by the present invention;

[0028] Figure 7 This is a schematic diagram of the axonometric structure of a preheating cover of a cable production line proposed by the present invention;

[0029] Figure 8 This is a schematic diagram of the axonometric structure of a long strip blade of a cable production line proposed by the present invention;

[0030] Fig. 9 This is a schematic diagram of the axial structure of a first sleeve of a cable production line proposed by the present invention.

[0031] In the figure: 1. bracket; 2. extruder; 3. first sleeve; 4. nozzle; 5. nozzle; 6. water tank; 7. water pump; 8. main pipeline; 9. first hose; 10. reciprocating screw; 11. motor; 12. reciprocating slider; 13. rack; 14. driven gear; 15. recovery box; 16. drain hole; 17. second sleeve; 18. second hose; 19. connecting rod; 20. preheating cover; 21. through hole; 22. hot air pipe; 23. air inlet pipe; 24. negative pressure pipe; 25. rotating pipe; 26. passive gear; 27. one-way bearing; 28. driving gear; 29. ​​feeding port; 30. short pipe; 31. long strip blade; 32. exhaust hole; 33. support plate; 34. swing plate; 35. telescopic air bag; 36. exhaust pipe; 37. suction pipe; 38. connecting pipe. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0033] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0034] Embodiment 1:

[0035] Reference Figure 1-Figure 9A cable production line comprises a bracket 1 and an extruder 2 fixedly mounted on the bracket 1, the extruder 2 being used to sheath the cable sheath on the electrical outer wall of the cable, and further comprising: a first sleeve 3 with open ends, rotatably connected to the bracket 1, and one end of the first sleeve 3 facing the extrusion head output end of the extruder 2, wherein a plurality of circumferentially distributed nozzles 4 are fixedly mounted in the first sleeve 3, the number of nozzles 4 is 2-5, and the preferred number in this application is 3, and a nozzle 5 facing the axis of the first sleeve 3 is fixedly mounted on the plurality of nozzles 4, the nozzle 5 being used to spray cooling water for cooling the cable, and a swinging portion for driving the first sleeve 3 to reciprocate around its axis is provided on the bracket 1.

[0036] Specifically, when in use, the metal wire core of the cable is inserted from the entrance of the extruder 2, and the extruder 2 is started, the extruder 2 can cover the rubber sheath on the outer wall of the wire core, and then the covered cable is passed through the first sleeve 3. During this period, cooling water is transported to multiple nozzles 4, and the cooling water in the nozzles 4 will be sprayed from the nozzle 5 to the outer wall of the cable to complete the cooling of the cable, and the swing part will drive the nozzle 4 and the nozzle 5 to reciprocate around the cable, and the nozzle 5 can spray the cooling water onto the cable more evenly, so that the cooling of the outer wall of the cable is more evenly and efficiently, and stress concentration is not easy to occur, which indirectly guarantees the service life of the cable.

[0037] The outer wall of the first sleeve 3 is provided with a plurality of drainage holes 16 distributed circumferentially, the number of the drainage holes 16 is 6-20, and the preferred number in the present application is 15. A recovery box 15 is fixedly connected to the bracket 1, and the upper port of the recovery box 15 faces the drainage holes 16.

[0038] Specifically, during the production process, the first sleeve 3 will discharge the waste water into the recovery box 15 through the drainage hole 16, thereby facilitating the recovery of the waste water.

[0039] Embodiment 2:

[0040] Reference Figure 1-Figure 4 as well as Fig. 9 , which is basically the same as the first embodiment, and further discloses a specific implementation scheme of the swing part.

[0041] The swinging part includes a reciprocating screw 10 rotatably mounted on a bracket 1, and a reciprocating slider 12 is threadedly connected to the outer wall of the reciprocating screw 10, wherein a rack 13 perpendicular to the axis of the first sleeve 3 is fixedly connected to the reciprocating slider 12, and a driven gear 14 meshing with the rack 13 is fixedly mounted on the outer wall of the first sleeve 3, and a motor 11 for driving the reciprocating screw 10 to rotate is fixedly mounted on the bracket 1.

[0042] Specifically, while the cable passes through the first sleeve 3, the motor 11 is started, and the motor 11 will drive the reciprocating screw 10 to rotate. The reciprocating screw 10 will drive the reciprocating slider 12 to slide back and forth along its outer wall, and drive the rack 13 to slide back and forth. The rack 13 will drive the first sleeve 3 to reciprocate around its axis through the driven gear 14. The first sleeve 3 will drive the nozzle 4 and the nozzle 5 on the inner wall to reciprocate around the cable. The nozzle 5 can spray cooling water onto the cable more evenly, so that the outer wall of the cable can be cooled more evenly and efficiently, and stress concentration is less likely to occur, which indirectly guarantees the service life of the cable.

[0043] A water tank 6 for storing cooling water is fixedly installed on the above-mentioned bracket 1, and a water pump 7 is fixedly installed at the lower end of the water tank 6. The input end of the water pump 7 extends into the water tank 6, wherein the output end of the water pump 7 is fixedly connected to a main pipeline 8, and the main pipeline 8 is fixedly connected and communicated with the nozzle 4 through a first hose 9.

[0044] When the cable needs to be cooled, the water pump 7 is started, and the cooling water in the water tank 6 is pumped into the main pipeline 8, and then transported to multiple nozzles 4 through the first hose 9, and finally sprayed from the nozzle 5 to the outer wall of the cable to complete the cooling of the cable.

[0045] A support plate 33 is fixedly connected to the above-mentioned bracket 1, a swing plate 34 is fixedly connected to the outer wall of the first sleeve 3, and a telescopic airbag 35 is fixedly installed between the swing plate 34 and the support plate 33, wherein the telescopic airbag 35 is fixedly connected to an intake pipe 37 and an exhaust pipe 36 which are connected thereto, and a one-way valve is fixedly installed in the intake pipe 37 and the exhaust pipe 36, and the end of the exhaust pipe 36 extends into the water tank 6.

[0046] When the first sleeve 3 reciprocates, the first sleeve 3 will also drive the swing plate 34 to swing back and forth. When the swing plate 34 swings toward the support plate 33, the swing plate 34 will squeeze the telescopic airbag 35, and the telescopic airbag 35 will discharge air through the exhaust pipe 36, and can discharge the air into the water tank 6, so that the water pressure in the water tank 6 is increased. Therefore, when the water pump 7 is not started, the water in the water tank 6 can also be efficiently transported to the nozzle 4. During this period, a cover plate is needed to seal the upper port of the water tank 6; when the swing plate 34 swings in the direction away from the support plate 33, the swing plate 34 will stretch the telescopic airbag 35, and the telescopic airbag 35 will inhale air through the intake pipe 37.

[0047] Embodiment three:

[0048] Reference Figure 1 , Figure 2 as well as Figure 6 , which is basically the same as the second embodiment, and further, a specific implementation scheme for pre-cooling the cable is specifically added.

[0049] A second sleeve 17 with open ends is rotatably mounted on the above-mentioned bracket 1. The second sleeve 17 is colinear with the axis of the first sleeve 3, and the second sleeve 17 is arranged between the first sleeve 3 and the extruder 2. A negative pressure component for sucking air into the second sleeve 17 is provided on the bracket 1; the negative pressure component includes a rotating tube 25 rotatably connected to the bracket 1, and a fan blade is fixedly mounted on the inner wall of the rotating tube 25. A passive gear 26 is installed on the outer wall of the rotating tube 25 through a one-way bearing 27, wherein a driving gear 28 meshingly connected to the passive gear 26 is fixedly mounted on the outer wall of the second sleeve 17, and a negative pressure pipe 24 is fixedly connected to the input end of the rotating tube 25, and a second hose 18 is fixedly connected to the input end of the negative pressure pipe 24, and the end of the second hose 18 extends into the second sleeve 17, and the shaft end of the second sleeve 17 is fixedly connected to the first sleeve 3 through a connecting rod 19.

[0050] Specifically, before the cable passes through the first sleeve 3, the cable is passed through the second sleeve 17. Therefore, when the first sleeve 3 reciprocates, the first sleeve 3 will drive the second sleeve 17 to reciprocate through the connecting rod 19, and the second sleeve 17 will drive the passive gear 26 to reciprocate through the active gear 28. Since the passive gear 26 is installed on the rotating tube 25 through the one-way bearing 27, the rotating tube 25 will rotate only when the passive gear 26 rotates forward, and drive the internal fan blades to rotate. At this time, one end of the rotating tube 25 will inhale the second hose 18 through the negative pressure tube 24, and exhaust through the other end of the rotating tube 25. The second hose 18 will inhale the second sleeve 17, and the second sleeve 17 will inhale through the ports on both sides. When the airflow passes through the second sleeve 17, the cable can be initially cooled by air to avoid the cooling water causing the cable to cool quickly and cause stress concentration. The reciprocating second sleeve 17 will also disturb the airflow inside it, so that the outer wall of the cable can be pre-cooled more evenly.

[0051] Embodiment 4:

[0052] Reference Figure 1 , Figure 2 as well as Figure 7 , which is basically the same as the third embodiment, and further, a specific implementation scheme for preheating the battery cell to be sheathed is specifically added.

[0053] A preheating hood 20 is fixedly connected to the above-mentioned bracket 1, and the side wall of the preheating hood 20 is provided with a through hole 21 facing the input end of the extruder 2, wherein the outer walls on both sides of the preheating hood 20 are respectively fixedly connected with a hot air pipe 22 and an air intake pipe 23, the input end of the air intake pipe 23 is fixedly connected to the output end of the negative pressure pipe 24, and the axis of the hot air pipe 22 is perpendicular to the axis of the through hole 21.

[0054] In the production of cables, the cables are passed through the through hole 21 of the preheating cover 20, and then through the extruder 2. When the rotating tube 25 is exhausted, the rotating tube 25 will exhaust the preheating cover 20 through the air inlet pipe 23, and the preheating cover 20 will exhaust the internal air through the hot air pipe 22. When the hot air passes through the preheating cover 20, the cable core that is about to enter the extruder 2 can be preheated so that the protective cover can be better covered on the cable core.

[0055] Embodiment five:

[0056] Reference Figure 1 , Figure 2 as well as Figure 8 , which is basically the same as Example 4, and further, a specific implementation scheme for preheating the raw materials of the extruder 2 is specifically added.

[0057] A short tube 30 is rotatably installed in the feeding port 29 of the above-mentioned extruder 2, and a plurality of circumferentially distributed long strip blades 31 are fixedly installed on the outer wall of the short tube 30. The number of the long strip blades 31 is 3-12, and the preferred number in this application is 9. A linkage part for driving the short tube 30 to rotate is provided on the feeding port 29, and the linkage part includes a connecting tube 38 fixedly connected between the hot air pipe 22 and the short tube 30, and an exhaust hole 32 connected to the short tube 30 is opened on the back of the blade of the long strip blade 31.

[0058] Specifically, when the hot air pipe 22 discharges air, the hot air pipe 22 will exhaust the short pipe 30 through the connecting pipe 38, and the short pipe 30 will cause the exhaust hole 32 on the long strip blade 31 to discharge hot air into the feeding port 29 of the extruder 2, so that the cable sheath raw material can be preheated to facilitate the extruder 2 to extrude the cable sheath, and the rubber material is expected to absorb part of the odor in the hot air to reduce the odor pollution of the surrounding air, and the long strip blade 31 will revolve around the axis of the short pipe 30 under the exhaust push of the exhaust hole 32, and the long strip blade 31 can cut and stir the raw material in the feeding port 29. On the one hand, it can make the waste heat raw material more uniform and efficient and make the odor absorption more efficient. On the other hand, the long strip blade 31 can also chop and scratch the raw material through the blade to increase the surface area of ​​the raw material, thereby improving the effect of preheating and odor absorption.

[0059] When the cable production line is in use, the metal wire core of the cable is inserted from the entrance of the extruder 2, and the extruder 2 is started, the extruder 2 can cover the rubber sheath on the outer wall of the wire core, and then make the covered cable pass through the second sleeve 17 and the first sleeve 3 in sequence. During this period, the water pump 7 and the motor 11 are started, the water pump 7 will pump the cooling water in the water tank 6 into the main pipeline 8, and then transport it to multiple nozzles 4 through the first hose 9, and finally spray it from the nozzle 5 to the outer wall of the cable to complete the cooling work of the cable.

[0060] The motor 11 will drive the reciprocating screw 10 to rotate, and the reciprocating screw 10 will drive the reciprocating slider 12 to slide back and forth along its outer wall, and drive the rack 13 to slide back and forth, and the rack 13 will drive the first sleeve 3 to reciprocate around its axis through the driven gear 14, and the first sleeve 3 will drive the nozzle 4 and the nozzle 5 on the inner wall to reciprocate around the cable, and the nozzle 5 can spray cooling water onto the cable more evenly, so that the outer wall of the cable can be cooled more evenly and efficiently, and stress concentration is not easy to occur, which indirectly guarantees the service life of the cable.

[0061] When the first sleeve 3 reciprocates, the first sleeve 3 will drive the second sleeve 17 to reciprocate through the connecting rod 19, and the second sleeve 17 will drive the passive gear 26 to reciprocate through the active gear 28. Since the passive gear 26 is installed on the rotating tube 25 through the one-way bearing 27, the rotating tube 25 will rotate only when the passive gear 26 rotates forward, and drive the internal fan blades to rotate. At this time, one end of the rotating tube 25 will inhale the second hose 18 through the negative pressure tube 24, and exhaust through the other end of the rotating tube 25, and the second hose 18 will inhale the second sleeve 17, and the second sleeve 17 will inhale through the ports on both sides. When the airflow passes through the second sleeve 17, the cable can be initially cooled by air to avoid the cooling water causing the cable to cool quickly and cause stress concentration. The reciprocating second sleeve 17 will also disturb the airflow inside it, so that the outer wall of the cable can be pre-cooled more evenly.

[0062] In the production of cables, the cables are passed through the through hole 21 of the preheating cover 20, and then through the extruder 2. When the rotating tube 25 is exhausted, the rotating tube 25 will exhaust the preheating cover 20 through the air inlet pipe 23, and the preheating cover 20 will exhaust the internal air through the hot air pipe 22. When the hot air passes through the preheating cover 20, the cable core that is about to enter the extruder 2 can be preheated so that the protective cover can be better covered on the cable core.

[0063] When the hot air pipe 22 discharges air, the hot air pipe 22 will exhaust the short pipe 30 through the connecting pipe 38, and the short pipe 30 will cause the exhaust hole 32 on the long strip blade 31 to discharge hot air into the feeding port 29 of the extruder 2, so that the cable sheath raw material can be preheated to facilitate the extruder 2 to extrude the cable sheath, and the rubber material is expected to absorb part of the odor in the hot air to reduce the odor pollution of the surrounding air, and the long strip blade 31 will revolve around the axis of the short pipe 30 under the exhaust push of the exhaust hole 32, and the long strip blade 31 can cut and stir the raw material in the feeding port 29. On the one hand, it can make the waste heat raw material more uniform and efficient and make the odor absorption more efficient. On the other hand, the long strip blade 31 can also chop and scratch the raw material through the blade to increase the surface area of ​​the raw material, thereby improving the effect of preheating and odor absorption.

[0064] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A cable production line, comprising a support (1) and an extruder (2) fixedly mounted on the support (1), characterized in that: Also includes: A first sleeve (3) with open ends is rotatably connected to the bracket (1), and one end of the first sleeve (3) faces the output end of the extruder head of the extruder (2). A plurality of nozzles (4) distributed in a circumference are fixedly mounted in the first sleeve (3), and a nozzle (5) facing the axis of the first sleeve (3) is fixedly mounted on each of the plurality of nozzles (4), and the bracket (1) is provided with a swinging portion for driving the first sleeve (3) to reciprocate around its axis; A second sleeve (17) with open ends is rotatably mounted on the bracket (1), the axis of the second sleeve (17) and the first sleeve (3) are colinear, and the second sleeve (17) is arranged between the first sleeve (3) and the extruder (2), and a negative pressure component for sucking air from the second sleeve (17) is provided on the bracket (1); The negative pressure component comprises a rotating tube (25) rotatably connected to the bracket (1), a fan blade is fixedly mounted on the inner wall of the rotating tube (25), and a passive gear (26) is mounted on the outer wall of the rotating tube (25) via a one-way bearing (27). The outer wall of the second sleeve (17) is fixedly mounted with a driving gear (28) meshing with the driven gear (26); the input end of the rotating tube (25) is fixedly connected with a negative pressure tube (24); the input end of the negative pressure tube (24) is fixedly connected with a second hose (18); the end of the second hose (18) extends into the second sleeve (17); and the shaft end of the second sleeve (17) is fixedly connected to the first sleeve (3) via a connecting rod (19); A preheating cover (20) is fixedly connected to the support (1), and a side wall of the preheating cover (20) is provided with a through hole (21) facing the input end of the extruder (2). Wherein, the outer walls on both sides of the preheating cover (20) are respectively fixedly connected with a hot air pipe (22) and an air intake pipe (23), the input end of the air intake pipe (23) is fixedly connected to the output end of the negative pressure pipe (24), and the axis of the hot air pipe (22) is perpendicular to the axis of the through hole (21); A short tube (30) is rotatably mounted in the feed port (29) of the extruder (2), a plurality of circumferentially distributed long strip blades (31) are fixedly mounted on the outer wall of the short tube (30), and a linkage portion for driving the short tube (30) to rotate is provided on the feed port (29); The linkage part comprises a connecting pipe (38) fixedly connected between the hot air pipe (22) and the short pipe (30), and an exhaust hole (32) connected to the short pipe (30) is provided on the back of the long strip blade (31).

2. A cable production line according to claim 1, characterized in that: The swinging part comprises a reciprocating screw (10) rotatably mounted on a bracket (1), wherein the outer wall of the reciprocating screw (10) is threadedly connected to a reciprocating slider (12). The reciprocating slider (12) is fixedly connected to a rack (13) perpendicular to the axis of the first sleeve (3), the outer wall of the first sleeve (3) is fixedly mounted with a driven gear (14) meshing with the rack (13), and the bracket (1) is fixedly mounted with a motor (11) for driving the reciprocating screw (10) to rotate.

3. A cable production line according to claim 2, characterized in that: A water tank (6) is fixedly mounted on the bracket (1), a water pump (7) is fixedly mounted at the lower end of the water tank (6), and an input end of the water pump (7) extends into the water tank (6). The output end of the water pump (7) is fixedly connected to a main pipeline (8), and the main pipeline (8) is fixedly connected and communicated with the nozzle (4) via a first hose (9).

4. A cable production line according to claim 1, characterized in that: The outer wall of the first sleeve (3) is provided with a plurality of drainage holes (16) distributed circumferentially, and a recovery box (15) is fixedly connected to the bracket (1), with the upper end of the recovery box (15) facing the drainage holes (16).

5. A cable production line according to claim 1, characterized in that: A support plate (33) is fixedly connected to the bracket (1), a swing plate (34) is fixedly connected to the outer wall of the first sleeve (3), and a telescopic airbag (35) is fixedly installed between the swing plate (34) and the support plate (33). The telescopic airbag (35) is fixedly connected to an air intake pipe (37) and an air exhaust pipe (36) which are in communication therewith, and one-way valves are fixedly installed in the air intake pipe (37) and the air exhaust pipe (36), and the end of the air exhaust pipe (36) extends into the water storage tank (6).

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