CN114758848A

CN114758848A - Cable manufacturing process

Info

Publication number: CN114758848A
Application number: CN202210467646.5A
Authority: CN
Inventors: 林烈铿
Original assignee: Individual
Current assignee: Xinjiang Xinzhuoda Cable Co ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-07-15
Anticipated expiration: 2042-04-27
Also published as: CN114758848B

Abstract

The application discloses cable manufacturing process includes the process: s1, drawing; s2, twisting; s3, extruding an insulating layer; s4, wrapping a waterproof layer; s5, armor; s6, extruding an outer isolation layer; in step S4, a multi-stage wrapping device is used to perform multi-layer wrapping on the conductor; the multistage wrapping device comprises a plurality of wrapping racks, a driving box, a connecting arm, a tape discharging assembly and a driving mechanism, wherein the wrapping racks are sequentially arranged along the extending direction of a conductor; the lapping machine frame comprises a fixed frame and an annular sliding frame fixed on the top of the fixed frame, and the extending direction of the conductor penetrates through the center of the annular sliding frame; the driving box is arranged on the frame of the annular sliding frame in a sliding mode, and the driving mechanism is used for driving the driving box to slide along the frame of the annular sliding frame in a circular mode; the tape-out assembly is used for winding out the waterproof tape to the conductor. This application has the effect that promotes and makes cable waterproof performance.

Description

Cable manufacturing process

Technical Field

The application relates to the technical field of cable manufacturing, in particular to a cable manufacturing process.

Background

The main manufacturing process technologies of the cable comprise drawing, stranding, insulation extrusion, cabling, armor, sheath extrusion and the like, and different process combinations of various products have certain differences. The conductor is extruded with an insulating layer, such as an overhead insulated cable, or twisted by several cores, such as an overhead insulated cable with more than two cores, or a sheath layer is added, such as a rubber sleeve wire cable.

The prior cable manufacturing process, such as the chinese patent with publication number CN101930816B, discloses a coaxial cable and a manufacturing process thereof, comprising an inner conductor made of conductive material, wherein the inner conductor is coated with an insulating layer, the insulating layer is made of polyetheretherketone and is fixed on the outer wall of the inner conductor by injection molding, the insulating layer is also coated with a shielding layer, and the shielding layer is made of metal material. The manufacturing process comprises the following steps: A. preheating an inner conductor, B, coating an insulating layer, C and coating a shielding layer. The cable manufactured by the cable manufacturing process only depends on the insulating layer to block moisture, lacks a structure for moisture prevention and water prevention, has poor water prevention performance and is not suitable for a humid environment.

In view of the above-mentioned related art, the inventors have considered that there is a defect that the manufactured cable is not excellent in waterproofness.

Disclosure of Invention

In order to solve the technical problem, the application provides a cable manufacturing process.

The cable manufacturing process provided by the application adopts the following technical scheme:

a process for manufacturing a cable comprising the steps of: s1, drawing; s2, twisting; s3, extruding an insulating layer; s4, wrapping a waterproof layer; s5, armoring; s6, extruding an outer isolation layer;

in the step S4, a multi-stage wrapping device is used to perform multi-layer wrapping on the conductor;

the multistage wrapping device comprises a plurality of wrapping racks, a driving box, a connecting arm, a tape discharging assembly and a driving mechanism, wherein the wrapping racks are sequentially arranged along the extending direction of a conductor; the wrapping machine frame comprises a fixed frame and an annular sliding frame fixed on the top of the fixed frame, and the extending direction of the conductor penetrates through the center of the annular sliding frame; the driving box is slidably mounted on the frame of the annular sliding frame, and the driving mechanism is used for driving the driving box to annularly slide along the frame of the annular sliding frame; the tape-out assembly is used for winding out the waterproof tape to the conductor.

Through the technical scheme, in step S4, the conductor loops through each around the package frame, when the conductor was through around the package frame, actuating mechanism drive box moved along the frame ring shape of annular carriage, it moved to drive out the area subassembly through the linking arm and surround the conductor, thereby make waterproof area coiling on the conductor, so through each waterproof area around on the package frame around the package, be formed with multilayer waterproof layer structure on the conductor, thereby the infiltration of moisture to the conductor has been kept off, the waterproof performance of making the cable has been strengthened.

Furthermore, circular sliding grooves are formed in the side walls of two sides of the annular sliding frame, embedding grooves are formed in the driving box, two side edges of each embedding groove are embedded into the circular sliding grooves in two sides of the annular sliding frame respectively, and the driving box is installed on the inner side of the annular sliding frame in a sliding mode; the annular carriage is characterized in that an annular driving groove is formed in the inner side face of the annular carriage, a driving gear ring is fixed in the annular driving groove, the driving mechanism comprises a servo motor and a driving gear, the servo motor is fixed outside the driving box, the driving gear is arranged in the driving box, an output shaft of the servo motor penetrates into the driving box and is fixedly connected with the driving gear, and the driving gear passes through the embedded groove and extends into the annular driving groove and is meshed with the driving gear ring.

Through above-mentioned technical scheme, when the servo motor on the drive box started, servo motor's output shaft drove drive gear and rotates, through the meshing effect of drive gear and drive ring gear for the drive box moves around annular carriage along circular spout, thereby drives out and takes the subassembly to encircle the conductor and remove, accomplishes around the package.

Furthermore, the belt outlet assembly comprises a rotating frame fixedly connected with the connecting arm, a waterproof belt raw material wheel, a pressing wheel and an output wheel are rotatably mounted on the rotating frame, and a waterproof belt wound on the waterproof belt raw material wheel sequentially bypasses the pressing wheel and the output wheel and is wound on a conductor passing through the annular sliding frame; the pinch roller comprises an inner wheel which is rotationally connected with the rotating frame, a rubber wheel rim which is sleeved on the inner wheel, elastic blocks which are fixed on the surface of the inner wheel and evenly distributed around the inner wheel, and abutting arc sheets which are fixed on the elastic blocks and abut against the inner surface of the rubber wheel rim.

Through above-mentioned technical scheme, when going out the area subassembly and encircleing the conductor and removing, waterproof area on the waterproof area raw materials wheel loops through pinch roller, output wheel around going out to the conductor on, accomplish around the package, and the setting of pinch roller for the elastic block roof pressure butt arc piece makes the rubber wheel rim expand outward, thereby makes pinch roller and waterproof area support tightly, prevents that waterproof area from appearing the swell when wrapping, influences the water-proof effects who makes the cable.

Furthermore, two groups of connecting arms and two groups of belt discharging assemblies are arranged on one wrapping machine frame, and the two groups of connecting arms and the two groups of belt discharging assemblies are respectively arranged on two sides of the annular sliding frame; the inner surface of a waterproof belt on a first belt outlet assembly through which a conductor passes is coated with waterproof paint, and the other surface of the waterproof belt is provided with two parallel barrier strips; two barrier strips are also arranged on the inner surface of the waterproof strip on the second strip discharging assembly through which the conductor passes, and the two waterproof strips are alternately spirally wound on the conductor, so that the barrier strips between the two waterproof strips are alternately embedded.

Through above-mentioned technical scheme, after the conductor is through wrapping the frame, the winding has double-deck waterproof area on the conductor, and the waterproof coating that sets up on the waterproof area of inlayer bonds with the insulating cover of conductor, strengthens the water barrier of conductor, and gomphosis in turn between the separation strip between the waterproof area is formed with the multilayer structure that blocks water between the waterproof area, further prevents the infiltration of moisture.

Further, the waterproof belt is made of a water stop belt, the barrier strip is made of water-swelling rubber, and the waterproof coating is polyurethane waterproof coating.

Through the technical scheme, if moisture permeates into the waterproof tapes, the barrier strips expand when meeting water, so that the alternately embedded barrier strips are mutually abutted, the sealing property between the waterproof tapes is further enhanced, and the moisture is prevented from permeating into the insulating sleeve; in addition, the waterproof coating is made of a material selected so that the waterproof coating has a heating effect when the cable is electrified, the waterproof coating has a molten state, and the part of the waterproof coating penetrates into a gap between the waterproof strips.

Furthermore, the connecting arm comprises a first rotating rod and a second rotating rod, one end of the first rotating rod is hinged with the side wall of the driving box, and the other end of the first rotating rod is connected with the end part of the second rotating rod; one end of the second rotating rod, which is far away from the first rotating rod, is fixedly connected with the rotating frame; the first rotating rod is sleeved with a sliding sleeve, and the sliding sleeve is connected with the first rotating rod in a sliding manner; an electric cylinder is fixed on the side wall of the driving box, and the end part of a piston rod of the electric cylinder is hinged with the outer wall of the sliding sleeve.

Through above-mentioned technical scheme, when electronic jar starts, electronic jar piston rod promotes first dwang, make first dwang drive the second dwang and rotate, thereby the angle of going out the band roller on the mounting panel has been adjusted, waterproof area has been adjusted on the conductor around the package angle, be used for cooperating conductor moving speed and adjusting the spiral winding pitch in waterproof area on the conductor, and the winding pitch in waterproof area is adjusted, be used for with the cooperation of separation strip interval, make the leakproofness between the waterproof area further strengthen.

Further, a guide frame is fixedly connected outside the drive box, the second rotating rod is hinged with the first rotating rod, a guide sleeve is sleeved on the second rotating rod, and the guide sleeve and the guide frame are installed in a sliding mode; the sliding connection direction between the second rotating rod and the guide sleeve is parallel to the conductor; the sliding connection direction between the guide sleeve and the guide frame is perpendicular to the conductor.

Through above-mentioned technical scheme, when electronic jar starts, first dwang rotates, drives the second dwang and slides on the leading truck along with the uide bushing, and the flexible slip of second dwang for the uide bushing simultaneously to the messenger reachs the band roller and adjusts out the interval between band roller and the conductor when parallel with the conductor.

Further, in step S4, the conductor is heated by a heater before entering the multi-stage wrapping device.

Through above-mentioned technical scheme, the conductor is wrapped waterproof area after being heated for waterproof coating molten state part gets into through the clearance in first layer waterproof area when the waterproof area of second floor is wrapped, synthesizes the pressure effect when waterproof area is wrapped, makes waterproof coating spread between the waterproof area, strengthens the waterproof nature of cable.

In summary, the present application includes at least one of the following advantageous technical effects:

(1) in step S4, the conductor passes through the respective wrapping frames in sequence, when the conductor passes through the wrapping frames, the driving mechanism drives the driving box to move annularly along the frame of the annular sliding frame, and the connecting arm drives the tape discharging assembly to move around the conductor, so that the waterproof tape is wound on the conductor, and thus, a multi-layer waterproof layer structure is formed on the conductor by wrapping the waterproof tape on the respective wrapping frames, thereby blocking the penetration of moisture on the conductor and enhancing the waterproof performance of the manufactured cable;

(2) when the cable is electrified, the high temperature has a heating effect on the waterproof coating, so that the waterproof coating has a molten state and partially permeates into gaps between the waterproof belts;

(3) when electronic jar started, electronic jar piston rod promotes first dwang for first dwang drives the rotation of second dwang, thereby has adjusted the angle of going out the band roller on the mounting panel, has adjusted waterproof area around the package angle on the conductor, is used for cooperating the conductor translation rate and adjusting the spiral winding pitch of waterproof area on the conductor, and the winding pitch of waterproof area is adjusted, is used for with separation strip interval cooperation, makes the leakproofness between the waterproof area further strengthen.

Drawings

FIG. 1 is a schematic representation of the steps of a cable manufacturing process;

FIG. 2 is a schematic structural view of a multi-stage lapping device;

FIG. 3 is a schematic structural view of a lapping frame;

FIG. 4 is a schematic view of the tape discharging assembly;

FIG. 5 is a schematic structural view of the pinch roller;

FIG. 6 is a schematic view of a waterproof strip;

fig. 7 is a schematic structural view of the guide frame.

The reference numbers in the figures illustrate:

1. wrapping the machine frame; 11. a fixed mount; 12. an annular sliding frame; 121. a circular chute; 122. an annular drive groove; 123. a drive gear ring; 2. a drive cartridge; 21. an electric cylinder; 22. a guide frame; 221. an arc-shaped fixing rod; 2211. a U-shaped claw; 2212. adjusting the bolt; 2213. adjusting the nut; 222. a guide plate; 3. a connecting arm; 31. a first rotating lever; 311. a sliding sleeve; 32. a second rotating lever; 321. a guide sleeve; 4. a tape discharging assembly; 41. a rotating frame; 42. a raw material wheel; 43. a pinch roller; 431. an inner wheel; 432. a rubber rim; 433. an elastic block; 434. abutting the arc sheet; 44. an output wheel; 5. a drive mechanism; 51. a servo motor; 52. a drive gear; 6. a waterproof tape; 61. a barrier strip; 62. a waterproof coating.

Detailed Description

The technical solution in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by those of ordinary skill in the art without any inventive work based on the embodiments in the present application belong to the protection scope of the present application.

In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The present application is described in further detail below with reference to the attached drawings.

Example one

The embodiment of the present application discloses a cable manufacturing process, please refer to fig. 1, which includes the following steps: and S1, drawing. And S2, twisting. S3, extruding an insulating layer. And S4, wrapping a waterproof layer. S5, armor. S6, extruding the outer isolation layer. Referring to fig. 2, the conductor is multi-layer wrapped by using a multi-stage wrapping device in step S4, and the conductor is heated by a heater before entering the multi-stage wrapping device in step S4. Multistage package device includes along a plurality of that the conductor extending direction set gradually around package frame 1, install in the drive box 2 on package frame 1, connect in the linking arm 3 on 2 lateral walls of drive box, install play area subassembly 4 on linking arm 3 and install actuating mechanism 5 on drive box 2. Referring to fig. 3, the wrapping machine frame 1 includes a fixing frame 11 and an annular sliding frame 12 fixed on the top of the fixing frame 11, and the extending direction of the conductor penetrates through the center of the annular sliding frame 12. The drive box 2 is slidably mounted on the frame of the ring carriage 12, and the driving mechanism 5 is used for driving the drive box 2 to circularly slide along the frame of the ring carriage 12. The tape-out assembly 4 is used to wind out the waterproof tape 6 onto the conductor.

Referring to fig. 3, the circular sliding grooves 121 are formed on the side walls of the two sides of the annular sliding frame 12, the engaging grooves are formed on the driving box 2, and the two side edges of the engaging grooves are respectively engaged with the circular sliding grooves 121 on the two sides of the annular sliding frame 12, so that the driving box 2 is slidably mounted inside the annular sliding frame 12. An annular driving groove 122 is formed in the inner side surface of the annular sliding frame 12, a driving gear ring 123 is fixed in the annular driving groove 122, as shown in fig. 4, the driving mechanism 5 includes a servo motor 51 fixed on the outer side of the driving box 2 and a driving gear 52 arranged in the driving box 2, an output shaft of the servo motor 51 penetrates into the driving box 2 and is fixedly connected with the driving gear 52, and the driving gear 52 extends into the annular driving groove 122 through a tabling groove and is meshed with the driving gear ring 123. When the servo motor 51 on the drive cartridge 2 is started, the output shaft of the servo motor 51 rotates the drive gear 52, and the drive cartridge 2 moves around the ring carriage 12 along the circular slide groove 121 by the meshing action of the drive gear 52 and the drive ring gear 123.

Referring to fig. 4, the tape discharging assembly 4 includes a rotating frame 41 fixedly connected to the connecting arm 3, a waterproof tape 6 material wheel 42, a pressing wheel 43 and an output wheel 44 are rotatably mounted on the rotating frame 41, and the waterproof tape 6 wound out of the waterproof tape 6 material wheel 42 sequentially bypasses the pressing wheel 43, the output wheel 44 and is wound on a conductor passing through the annular sliding frame 12. As shown in fig. 5, the pressing wheel 43 includes an inner wheel 431 rotatably connected to the rotating frame 41, a rubber rim 432 sleeved on the inner wheel 431, elastic blocks 433 fixed on the wheel surface of the inner wheel 431 and uniformly distributed around the inner wheel 431, and abutting arc pieces 434 fixed on the elastic blocks 433 and abutting against the inner surface of the rubber rim 432. When going out to take subassembly 4 to encircle the conductor removal, waterproof area 6 on the waterproof area 6 raw materials wheel 42 loops through pinch roller 43, output wheel 44 winds out to the conductor on, accomplishes around the package, and the setting of pinch roller 43 for elastic block 433 roof pressure butt arc 434, make rubber wheel rim 432 expand outward, thereby make pinch roller 43 and waterproof area 6 support tightly, prevent that waterproof area 6 from appearing the swell when wrapping, the waterproof effect of cable is made in the influence.

Referring to fig. 2, two sets of connecting arms 3 and two sets of tape discharging assemblies 4 are arranged on one wrapping machine frame 1, and the two sets of connecting arms 3 and two sets of tape discharging assemblies 4 are respectively arranged on two sides of the annular sliding frame 12. Referring to fig. 6, the inner surface of the waterproof tape 6 on the first tape-out assembly 4 through which the conductor passes is coated with a waterproof paint 62, and the other surface of the waterproof tape 6 is provided with two parallel barrier strips 61. Two barrier strips 61 are also arranged on the inner surface of the waterproof strip 6 on the second strip discharging assembly 4 through which the conductor passes, and the two waterproof strips 6 are alternately spirally wound on the conductor, so that the barrier strips 61 between the two waterproof strips 6 are alternately embedded. After the conductor passes through around package frame 1, the winding has double-deck waterproof tape 6 on the conductor, and waterproof coating 62 that sets up on the waterproof tape 6 of inlayer bonds with the conductor insulation cover, strengthens the water proof nature of conductor, and gomphosis in turn between the separation strip 61 between the waterproof tape 6 is formed with the multilayer structure that blocks water between waterproof tape 6, further prevents the infiltration of moisture. The waterproof tape 6 is made of a water stop tape, the barrier strip 61 is made of water-swellable rubber, and the waterproof paint 62 is a polyurethane waterproof paint 62. If moisture permeates into the waterproof tape 6, the barrier strips 61 expand when encountering water, so that the barrier strips 61 which are alternately embedded are mutually abutted, the sealing performance between the waterproof tapes 6 is further enhanced, and the moisture is prevented from permeating into the insulating sleeve. In addition, the material of the waterproof coating 62 is selected so that the high temperature that the cable has when energized has a heating effect on the waterproof coating 62, so that the waterproof coating 62 has a molten state, and partially penetrates into the gap between the waterproof strips 6, and when the cable is used underwater, the waterproof coating 62 is cooled, so that the waterproof coating 62 is sufficiently solidified, so that the sealability between the waterproof strips 6 is further enhanced, and the waterproof effect of the cable is further enhanced.

Referring to fig. 4, the connecting arm 3 includes a first rotating lever 31 and a second rotating lever 32, one end of the first rotating lever 31 is hinged to the side wall of the driving box 2, and the other end is connected to the end of the second rotating lever 32. One end of the second rotating rod 32 far away from the first rotating rod 31 is fixedly connected with the rotating frame 41. The first rotating rod 31 is sleeved with a sliding sleeve 311, and the sliding sleeve 311 is connected with the first rotating rod 31 in a sliding manner. An electric cylinder 21 is fixed on the side wall of the driving box 2, and the end part of a piston rod of the electric cylinder 21 is hinged with the outer wall of the sliding sleeve 311. The outer fixedly connected with leading truck 22 of drive box 2, second dwang 32 and the articulated setting of first dwang 31, and second dwang 32 cover is equipped with uide bushing 321, uide bushing 321 and leading truck 22 slidable mounting. The sliding connection direction between the second rotating lever 32 and the guide sleeve 321 is parallel to the conductor. The sliding connection direction between the guide sleeve 321 and the guide frame 22 is perpendicular to the conductor. When the electric cylinder 21 is started, the piston rod of the electric cylinder 21 pushes the first rotating rod 31 to rotate, so that the second rotating rod 32 moves while keeping parallel to the conductor, the distance between the tape outlet assembly 4 and the conductor is adjusted, and the tightness of the winding of the waterproof tape 6 on the conductor can be adjusted.

The implementation principle of the cable manufacturing process in the embodiment of the application is as follows: the conductor loops through each around package frame 1, when the conductor is through wrapping package frame 1, servo motor 51 starts, make drive box 2 remove along the frame annular of annular carriage 12, it moves around the conductor to drive out area subassembly 4 through linking arm 3, thereby make waterproof area 6 coiling on the conductor, so through each waterproof area 6 around the package on package frame 1, make to be formed with multilayer waterproof layer structure on the conductor, thereby the separation moisture has strengthened the waterproof performance who makes the cable.

Example two

The difference between the present embodiment and the first embodiment is only that the structure of the guide frame 22 is further improved.

Referring to fig. 7, the guide frame 22 includes the arc-shaped fixing rod 221 and the guide plate 222, one end of the arc-shaped fixing rod 221 is fixedly connected to the driving box 2, the other end is fixed with the U-shaped claw 2211, the bottom of the guide plate 222 is disposed in the U-shaped claw 2211, and an adjusting bolt 2212 is disposed between two ends of the U-shaped claw 2211 in a penetrating manner, the adjusting bolt 2212 penetrates through the bottom of the guide plate 222 and is rotatably connected to the bottom of the guide plate 222, and an adjusting nut 2213 is sleeved on the end of the adjusting bolt 2212 and is in threaded connection with the end of the adjusting bolt 2212, when the adjusting nut 2213 is screwed, two ends of the U-shaped claw 2211 are clamped to the guide plate 222, so that the guide plate 222 is fixed, and therefore the guide plate 222 can be adjusted to different inclination angles. And a guide groove is formed in the guide plate 222 along the vertical direction, and the guide sleeve 321 is embedded in the guide plate 222 through the guide groove and is slidably connected with the guide plate 222.

Therefore, when the entering direction of the conductor changes, a debugging person can adjust the inclination angle of the guide plate 222 through the adjusting bolt 2212 and the adjusting nut 2213, and further adjust the belt discharging angle of the belt discharging assembly 4.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A cable manufacturing process is characterized in that: the method comprises the following steps: s1, drawing; s2, twisting; s3, extruding an insulating layer; s4, wrapping a waterproof layer; s5, armor; s6, extruding an outer isolation layer;

the multistage wrapping device comprises a plurality of wrapping racks (1) which are sequentially arranged along the extending direction of a conductor, a driving box (2) arranged on the wrapping racks (1), a connecting arm (3) connected to the outer side wall of the driving box (2), a tape discharging assembly (4) arranged on the connecting arm (3) and a driving mechanism (5) arranged on the driving box (2); the wrapping rack (1) comprises a fixed frame (11) and an annular sliding frame (12) fixed on the top of the fixed frame (11), and the extending direction of a conductor penetrates through the center of the annular sliding frame (12); the driving box (2) is slidably mounted on the frame of the annular sliding frame (12), and the driving mechanism (5) is used for driving the driving box (2) to annularly slide along the frame of the annular sliding frame (12); the tape outlet assembly (4) is used for winding out the waterproof tape (6) to a conductor.

2. A process for manufacturing a cable according to claim 1, characterized in that: circular sliding grooves (121) are formed in the side walls of two sides of the annular sliding frame (12), embedding grooves are formed in the driving box (2), two side edges of each embedding groove are embedded into the circular sliding grooves (121) of two sides of the annular sliding frame (12) respectively, and therefore the driving box (2) is installed on the inner side of the annular sliding frame (12) in a sliding mode; annular driving groove (122) have been seted up on annular carriage (12) medial surface, annular driving groove (122) internal fixation has drive ring gear (123), actuating mechanism (5) are including being fixed in servo motor (51) in drive box (2) outside and set up drive gear (52) in drive box (2), servo motor (51) output shaft penetrate in drive box (2) and with drive gear (52) fixed connection, drive gear (52) pass through the gomphosis groove extends to in annular driving groove (122) and with drive ring gear (123) meshing sets up.

3. A process for manufacturing a cable according to claim 2, characterized in that: the belt discharging assembly (4) comprises a rotating frame (41) fixedly connected with the connecting arm (3), a waterproof belt (6) raw material wheel (42), a pressing wheel (43) and an output wheel (44) are rotatably mounted on the rotating frame (41), and the waterproof belt (6) wound out of the raw material wheel (42) of the waterproof belt (6) sequentially bypasses the pressing wheel (43) and the output wheel (44) and is wound on a conductor passing through the annular sliding frame (12); the pressing wheel (43) comprises an inner wheel (431) rotatably connected with the rotating frame (41), a rubber rim (432) sleeved on the inner wheel (431), elastic blocks (433) fixed on the wheel surface of the inner wheel (431) and uniformly distributed around the inner wheel (431), and abutting arc sheets (434) fixed on the elastic blocks (433) and abutted against the inner surface of the rubber rim (432).

4. A process for manufacturing a cable according to claim 3, wherein: the two groups of connecting arms (3) and the two groups of belt discharging assemblies (4) are arranged on one wrapping rack (1), and the two groups of connecting arms (3) and the two groups of belt discharging assemblies (4) are respectively arranged on two sides of the annular sliding frame (12); the inner surface of a waterproof belt (6) on a first belt outlet assembly (4) through which a conductor passes is coated with waterproof paint (62), and the other surface of the waterproof belt (6) is provided with two parallel barrier strips (61); the inner surface of the waterproof strip (6) on the second strip discharging assembly (4) through which the conductor passes is also provided with two barrier strips (61), and the two waterproof strips (6) are alternately and spirally wound on the conductor, so that the barrier strips (61) between the two waterproof strips (6) are alternately embedded.

5. A process for manufacturing a cable according to claim 4, wherein: the waterproof belt (6) is made of a water stop belt, the barrier strip (61) is made of water-swelling rubber, and the waterproof coating (62) is polyurethane waterproof coating (62).

6. A process for manufacturing a cable according to claim 3, wherein: the connecting arm (3) comprises a first rotating rod (31) and a second rotating rod (32), one end of the first rotating rod (31) is hinged with the side wall of the driving box (2), and the other end of the first rotating rod (31) is connected with the end part of the second rotating rod (32); one end of the second rotating rod (32), which is far away from the first rotating rod (31), is fixedly connected with the rotating frame (41); the first rotating rod (31) is sleeved with a sliding sleeve (311), and the sliding sleeve (311) is connected with the first rotating rod (31) in a sliding manner; an electric cylinder (21) is fixed on the side wall of the driving box (2), and the end part of a piston rod of the electric cylinder (21) is hinged with the outer wall of the sliding sleeve (311).

7. A process for manufacturing a cable according to claim 6, wherein: the driving box (2) is fixedly connected with a guide frame (22) outside, the second rotating rod (32) is hinged to the first rotating rod (31), a guide sleeve (321) is sleeved on the second rotating rod (32), and the guide sleeve (321) and the guide frame (22) are installed in a sliding mode; the sliding connection direction between the second rotating rod (32) and the guide sleeve (321) is parallel to the conductor; the sliding connection direction between the guide sleeve (321) and the guide frame (22) is perpendicular to the conductor.

8. A process for manufacturing a cable according to claim 1, characterized in that: in step S4, the conductor is heated by a heater before entering the multi-stage wrapping device.