CN114758848B - Cable manufacturing process - Google Patents

Cable manufacturing process Download PDF

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Publication number
CN114758848B
CN114758848B CN202210467646.5A CN202210467646A CN114758848B CN 114758848 B CN114758848 B CN 114758848B CN 202210467646 A CN202210467646 A CN 202210467646A CN 114758848 B CN114758848 B CN 114758848B
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China
Prior art keywords
frame
waterproof
conductor
wrapping
driving
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CN202210467646.5A
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Chinese (zh)
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CN114758848A (en
Inventor
林烈铿
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Xinjiang Xinzhuoda Cable Co ltd
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Xinjiang Xinzhuoda Cable Co ltd
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Priority to CN202210467646.5A priority Critical patent/CN114758848B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/22Sheathing; Armouring; Screening; Applying other protective layers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H01B7/2825Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H01B7/285Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable
    • H01B7/288Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable using hygroscopic material or material swelling in the presence of liquid
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/14Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Insulated Conductors (AREA)
  • Manipulator (AREA)

Abstract

The application discloses a cable manufacturing process, which comprises the following steps: s1, drawing; s2, twisting; s3, extruding and wrapping an insulating layer; s4, wrapping a waterproof layer; s5, armoring; s6, extruding the outer insulating layer; in the step S4, a multi-layer wrapping device is used for carrying out multi-layer wrapping on the conductor; the multistage wrapping device comprises a plurality of wrapping frames, a driving box, a connecting arm, a belt discharging assembly and a driving mechanism, wherein the wrapping frames are sequentially arranged along the extending direction of a conductor, the driving box is arranged on the wrapping frames, the connecting arm is connected to the outer side wall of the driving box, the belt discharging assembly is arranged on the connecting arm, and the driving mechanism is arranged on the driving box; 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 slide annularly along the frame of the annular sliding frame; the tape out assembly is used to wind out the waterproof tape onto the conductor. The application has the effect of improving the waterproof performance of the manufactured cable.

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 technology of the cable comprises drawing, twisting, insulating extrusion, cabling, armor, sheath extrusion and the like, and different working procedure combinations of various products are different to a certain extent. An insulating layer, such as an overhead insulating cable, or a plurality of cores are twisted, such as a two-core overhead insulating cable, or a sheath layer, such as a rubber jacketed wire cable, is additionally arranged outside the conductor.
The prior art of cable manufacture, such as the chinese patent publication No. CN101930816B, discloses a coaxial cable and a manufacturing process thereof, which comprises an inner conductor made of conductive material, an insulating layer coated on the inner conductor, the insulating layer made of polyetheretherketone and fixed on the outer wall of the inner conductor by injection molding, and a shielding layer coated on the insulating layer, wherein the shielding layer is made of metal material. The manufacturing process comprises the following steps: A. preheating an inner conductor, B, a cladding insulating layer, C and a cladding shielding layer. The cable manufactured by the cable manufacturing process only depends on the insulating layer to separate moisture, lacks a structure for dampproofing and waterproofing, has poor waterproofness and is not suitable for a humid environment.
In the above-described related art, the inventors considered that there was a defect that the waterproof property of the manufactured cable was poor.
Disclosure of Invention
In order to solve the technical problems, the application provides a cable manufacturing process.
The cable manufacturing process provided by the application adopts the following technical scheme:
a cable manufacturing process comprising the steps of: s1, drawing; s2, twisting; s3, extruding and wrapping an insulating layer; s4, wrapping a waterproof layer; s5, armoring; s6, extruding the outer insulating layer;
In the step S4, a multi-layer wrapping device is used for carrying out multi-layer wrapping on the conductor;
The multistage wrapping device comprises a plurality of wrapping frames, a driving box, a connecting arm, a belt discharging assembly and a driving mechanism, wherein the wrapping frames are sequentially arranged along the extending direction of a conductor, the driving box is arranged on the wrapping frames, the connecting arm is connected to the outer side wall of the driving box, the belt discharging assembly is arranged on the connecting arm, and the driving mechanism is arranged on the driving box; 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 slide annularly along the frame of the annular sliding frame; the tape payout assembly is configured to payout the waterproof tape onto a conductor.
Through the above technical scheme, in step S4, the conductor loops through each lapping frame, when the conductor passes through the lapping frame, actuating mechanism drive box moves along the frame annular of annular carriage, drive out the band subassembly through the linking arm and encircle the conductor and remove, thereby make waterproof tape coiling on the conductor, so waterproof tape through each lapping frame is lapped, make be formed with multilayer waterproof layer structure on the conductor, thereby the infiltration of separation moisture to the conductor has strengthened the waterproof performance of making the cable.
Furthermore, circular sliding grooves are formed in the side walls of the two sides of the annular sliding frame, an embedding groove is formed in the driving box, and the two side edges of the embedding groove are respectively embedded into the circular sliding grooves of the two sides of the annular sliding frame, so that the driving box is installed on the inner side of the annular sliding frame in a sliding manner; the annular driving groove is formed in the inner side face of the annular sliding frame, a driving gear ring is fixed in the annular driving groove, the driving mechanism comprises a servo motor fixed on the outer side of the driving box and a driving gear 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 extends into the annular driving groove through the embedded groove and is meshed with the driving gear ring.
Through above-mentioned technical scheme, when the servo motor on the drive box starts, servo motor's output shaft drives drive gear and rotates for the drive box is followed circular spout and is encircleed annular carriage and remove, thereby drives out the band assembly and encircle the conductor and remove, accomplishes around the package through the meshing effect of drive gear and drive ring gear.
Further, the belt discharging assembly comprises a rotating frame fixedly connected with the connecting arm, a waterproof belt raw material wheel, a compression wheel and an output wheel are rotatably arranged on the rotating frame, and a waterproof belt wound on the waterproof belt raw material wheel sequentially bypasses the compression wheel and the output wheel and winds on a conductor passing through the annular sliding frame; the pressing wheel comprises an inner wheel connected with the rotating frame in a rotating way, a rubber rim sleeved on the inner wheel, elastic blocks fixed on the surface of the inner wheel and uniformly distributed around the inner wheel, and abutting arc pieces fixed on the elastic blocks and abutted against the inner surface of the rubber rim.
Through above-mentioned technical scheme, when the play area subassembly encircles the conductor and removes, waterproof area on the waterproof area raw materials wheel loops through pinch roller, output wheel winding out to the conductor on, accomplishes around the package, and the setting of pinch roller for the elastomeric block roof pressure butt arc piece makes the outer expansion of rubber wheel rim, thereby makes pinch roller and waterproof area support tightly, appears the bulge when preventing waterproof area around the package, influences the waterproof effect of making the cable.
Further, the connecting arms and the tape discharging assembly are arranged on a wrapping frame in two groups, and the two groups of connecting arms and the tape discharging assembly 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; the inner surface of the waterproof belt on the second belt outlet assembly, through which the conductor passes, is also provided with two barrier strips, and the two waterproof belts are alternately spirally wound on the conductor, so that the barrier strips between the two waterproof belts are alternately embedded.
Through above-mentioned technical scheme, after the conductor passes through the wrapping machine frame, the coiling has double-deck waterproof tape on the conductor, and waterproof coating that sets up on the waterproof tape of inlayer adheres with the insulating cover of conductor, strengthens the waterproof nature of conductor, and alternate gomphosis between the separation strip between the waterproof tape is formed with the waterproof structure of multilayer between the waterproof tape, 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.
According to the technical scheme, if moisture permeates into the waterproof bands, the barrier strips swell when meeting water, so that the barrier strips which are alternately embedded are mutually abutted, the tightness between the waterproof bands is further enhanced, and the moisture is prevented from permeating into the insulating sleeve; in addition, the material of the waterproof coating is selected so that the waterproof coating has a heating effect on the waterproof coating at the high temperature of the cable when the cable is electrified, so that the waterproof coating has a molten state and partially permeates into gaps between the waterproof strips, and when the cable is used underwater, the waterproof coating is cooled, so that the waterproof coating is fully solidified, the sealing performance between the waterproof strips is further enhanced, and the waterproof effect of the cable is further enhanced.
Further, 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 in sliding connection with the first rotating rod; 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 electric cylinder starts, electric cylinder piston rod promotes first dwang for first dwang drives the second dwang and rotates, thereby has adjusted the angle of going out the area roller on the mounting panel, has adjusted the angle of wrapping of waterproof tape on the conductor, is used for the spiral winding pitch of waterproof tape on the conductor of cooperation conductor travel speed adjustment, and the coiling pitch of waterproof tape is adjusted, is used for with separation strip interval cooperation, makes the leakproofness between the waterproof tape further strengthen.
Further, a guide frame is fixedly connected to the outside of the driving box, the second rotating rod is hinged to 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 the technical scheme, when the electric cylinder is started, the first rotating rod rotates to drive the second rotating rod to slide on the guide frame along with the guide sleeve, and meanwhile, the second rotating rod slides in a telescopic manner relative to the guide sleeve, so that the distance between the belt roller and the conductor is adjusted when the belt roller is parallel to the conductor.
Further, in the step S4, the conductor is heated by a heater before entering the multi-stage wrapping device.
Through the technical scheme, the conductor is heated and then wrapped with the waterproof tape, so that the molten state part of the waterproof coating enters through the gap of the waterproof tape of the first layer when the waterproof tape of the second layer is wrapped, the pressure effect when the waterproof tape is wrapped is synthesized, the waterproof coating can be diffused between the waterproof tapes, and the waterproof property of the cable is enhanced.
In summary, the present application includes at least one of the following beneficial technical effects:
(1) In the step S4, the conductors sequentially pass through each wrapping machine frame, when the conductors pass through the wrapping machine frames, the driving mechanism drives the driving box to move along the frame of the annular sliding frame in an annular mode, the connecting arm drives the tape discharging component to move around the conductors, so that the waterproof tape is wound on the conductors, a multi-layer waterproof layer structure is formed on the conductors through the wrapping of the waterproof tape on each wrapping machine frame, the penetration of moisture to the conductors is blocked, and the waterproof performance of the manufactured cable is enhanced;
(2) When the cable is powered on, the high temperature of the cable has a heating effect on the waterproof coating, so that the waterproof coating is in a molten state, and partially permeates into gaps between the waterproof strips, and when the cable is used underwater, the waterproof coating is cooled, so that the waterproof coating is fully solidified, the sealing performance between the waterproof strips is further enhanced, and the waterproof effect of the cable is further enhanced;
(3) When the electric cylinder starts, the electric cylinder piston rod pushes the first rotating rod, so that the first rotating rod drives the second rotating rod to rotate, the angle of the belt outlet roller on the mounting plate is adjusted, the wrapping angle of the waterproof belt on the conductor is adjusted, the spiral winding pitch of the waterproof belt on the conductor is adjusted according to the moving speed of the conductor, the winding pitch of the waterproof belt is adjusted, and the waterproof belt is matched with the separation distance of the separation strips, so that the sealing performance between the waterproof belts is further enhanced.
Drawings
FIG. 1 is a schematic diagram of steps of a cable manufacturing process;
FIG. 2 is a schematic view of a multi-stage wrapping apparatus;
FIG. 3 is a schematic view of the structure of a wrap-around frame;
FIG. 4 is a schematic view of the structure of the take-out assembly;
FIG. 5 is a schematic view of the structure of the pinch roller;
fig. 6 is a schematic structural view of a waterproof tape;
fig. 7 is a schematic structural view of the guide frame.
The reference numerals in the figures illustrate:
1. A wrapping frame; 11. a fixing frame; 12. an annular sliding frame; 121. a circular chute; 122. an annular driving groove; 123. driving the gear ring; 2. a drive box; 21. an electric cylinder; 22. a guide frame; 221. an arc-shaped fixing rod; 2211. u-shaped claws; 2212. an adjusting bolt; 2213. an adjusting 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 piece; 44. an output wheel; 5. a driving mechanism; 51. a servo motor; 52. a drive gear; 6. a waterproof tape; 61. a barrier strip; 62. waterproof paint.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application; it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present application are within the protection scope of the present application.
In the description of the present application, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, 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 should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
The present application will be described in further detail with reference to the accompanying drawings.
Example 1
The embodiment of the application discloses a cable manufacturing process, referring to fig. 1, comprising the following steps: s1, drawing. S2, stranding. S3, extruding and packaging the insulating layer. S4, wrapping the waterproof layer. S5, armoring. S6, extruding the outer insulating layer. Referring to fig. 2, the conductor is multi-layered wrapped using the multi-layered wrapping apparatus in step S4, and the conductor is further heated by a heater before entering the multi-layered wrapping apparatus in step S4. The multistage wrapping device comprises a plurality of wrapping frames 1, a driving box 2, a connecting arm 3, a belt discharging assembly 4 and a driving mechanism 5, wherein the wrapping frames 1 are sequentially arranged along the extending direction of a conductor, the driving box 2 is arranged on the wrapping frames 1, the connecting arm 3 is connected to the outer side wall of the driving box 2, the belt discharging assembly 4 is arranged on the connecting arm 3, and the driving mechanism 5 is arranged on the driving box 2. As shown in connection with fig. 3, the wrap around stand 1 comprises a fixed frame 11 and an annular sliding frame 12 fixed on top of the fixed frame 11, the conductor extending direction penetrating 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 slide annularly along the frame of the annular sliding frame 12. The payout assembly 4 is used to wind out the waterproofing tape 6 onto the conductor.
Referring to fig. 3, circular sliding grooves 121 are formed on the side walls of the two sides of the annular sliding frame 12, and a fitting groove is formed on the driving box 2, and two sides of the fitting groove are respectively fitted into the circular sliding grooves 121 on the two sides of the annular sliding frame 12, so that the driving box 2 is slidably mounted on the inner side of 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, and as shown in fig. 4, the driving mechanism 5 comprises 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 an embedded groove and is meshed with the driving gear ring 123. When the servo motor 51 on the driving box 2 is started, the output shaft of the servo motor 51 drives the driving gear 52 to rotate, and the driving box 2 moves around the annular sliding frame 12 along the circular sliding groove 121 through the meshing action of the driving gear 52 and the driving gear ring 123.
Referring to fig. 4, the tape discharging assembly 4 includes a rotating frame 41 fixedly connected to the connection arm 3, and a raw material wheel 42, a pinch roller 43 and an output wheel 44 for the waterproof tape 6 are rotatably mounted on the rotating frame 41, and the waterproof tape 6 wound on the raw material wheel 42 for the waterproof tape 6 is wound around the pinch roller 43 and the output wheel 44 in this order and around a conductor passing through the endless sliding frame 12. As shown in fig. 5, the pressing wheel 43 includes an inner wheel 431 rotatably connected to the turret 41, a rubber rim 432 fitted around the inner wheel 431, elastic blocks 433 fixed to the rim surface of the inner wheel 431 and uniformly distributed around the inner wheel 431, and an abutment arc piece 434 fixed to each elastic block 433 and abutted against the inner surface of the rubber rim 432. When the belt discharging assembly 4 moves around the conductor, the waterproof belt 6 on the raw material wheel 42 of the waterproof belt 6 sequentially passes through the pressing wheel 43 and the output wheel 44 to be wound on the conductor, the winding is completed, and the pressing wheel 43 is arranged, so that the elastic block 433 is pressed against the arc piece 434, the rubber rim 432 is expanded outwards, the pressing wheel 43 is tightly abutted against the waterproof belt 6, the waterproof belt 6 is prevented from swelling when being wound, and the waterproof effect of the manufactured cable is affected.
Referring to fig. 2, the connecting arm 3 and the tape discharging assembly 4 are provided with two groups on one lapping frame 1, and the two groups of connecting arms 3 and the tape discharging assembly 4 are respectively arranged at two sides of the annular sliding frame 12. Referring to fig. 6, the waterproof tape 6 of the first tape-out assembly 4 through which the conductor passes is coated with waterproof paint 62 on the inner surface thereof, and two parallel barrier strips 61 are provided on the other surface of the waterproof tape 6. The inner surface of the waterproof tape 6 on the second tape outlet assembly 4 through which the conductor passes is also provided with two barrier strips 61, and the two waterproof tapes 6 are alternately spirally wound on the conductor, so that the barrier strips 61 between the two waterproof tapes 6 are alternately embedded. After the conductor passes through the lapping machine frame 1, double-layer waterproof belts 6 are wound on the conductor, waterproof paint 62 arranged on the waterproof belts 6 of the inner layer is adhered with the conductor insulation sleeve, the water-resisting property of the conductor is enhanced, barrier strips 61 between the waterproof belts 6 are alternately embedded, a multi-layer water-resisting structure is formed between the waterproof belts 6, and the penetration of moisture is further prevented. The waterproof tape 6 is made of a water stop tape, the barrier strip 61 is made of water-swellable rubber, and the waterproof coating 62 is a polyurethane-based waterproof coating 62. If moisture permeates into the waterproof tape 6, the barrier strips 61 expand when meeting 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 waterproof coating 62 has a heating effect on the waterproof coating 62 at a high temperature that the cable has when energized, so that the waterproof coating 62 has a molten state, partially penetrates into the gaps between the waterproof tapes 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 tapes 6 is further enhanced, and the waterproof effect of the cable is further enhanced.
Referring to fig. 4, the connection arm 3 includes a first rotation lever 31 and a second rotation lever 32, one end of the first rotation lever 31 is hinged to a side wall of the drive case 2, and the other end is connected to an end of the second rotation lever 32. The end of the second rotating rod 32 remote from the first rotating rod 31 is fixedly connected to the rotating frame 41. The first rotating rod 31 is sleeved with a sliding sleeve 311, and the sliding sleeve 311 is in sliding connection with the first rotating rod 31. 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 driving box 2 is fixedly connected with a guide frame 22, the second rotating rod 32 is hinged with the first rotating rod 31, the second rotating rod 32 is sleeved with a guide sleeve 321, and the guide sleeve 321 is slidably mounted with the guide frame 22. 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. 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 being parallel to the conductor, the distance between the tape outlet component 4 and the conductor is adjusted, and the winding tightness of the waterproof tape 6 on the conductor is adjusted.
The implementation principle of the cable manufacturing process of the embodiment of the application is as follows: the conductor loops through each lapping machine frame 1 in proper order, when the conductor passes through lapping machine frame 1, servo motor 51 starts for drive box 2 moves along the frame annular of annular carriage 12, drives out the removal of taking subassembly 4 and encircles the conductor through linking arm 3, thereby makes waterproof tape 6 coiling on the conductor, so through waterproof tape 6 on each lapping machine frame 1 lapping, make be formed with multilayer waterproof layer structure on the conductor, thereby the infiltration of moisture to the conductor has been obstructed, the waterproof performance of making the cable has been strengthened.
Example two
The present embodiment differs from the first embodiment only in further improvement of the structure of the guide frame 22.
Referring to fig. 7, the guide frame 22 includes an arc-shaped fixing rod 221 and a guide plate 222, one end of the arc-shaped fixing rod 221 is fixedly connected with the driving box 2, the other end of the arc-shaped fixing rod is fixed with a U-shaped jaw 2211, the bottom of the guide plate 222 is arranged in the U-shaped jaw 2211, an adjusting bolt 2212 is penetrated between two ends of the U-shaped jaw 2211, the adjusting bolt 2212 penetrates through the bottom of the guide plate 222 and is rotatably connected with the same, an adjusting nut 2213 is sleeved on and in threaded connection with the end of the adjusting bolt 2212, and when the adjusting nut 2213 is screwed, two ends of the U-shaped jaw 2211 are clamped with the guide plate 222, so that the guide plate 222 is fixed, and the guide plate 222 is convenient to adjust to different inclination angles. And the guide plate 222 is provided with a guide groove along the vertical direction, and the guide sleeve 321 is embedded on the guide plate 222 through the guide groove and is in sliding connection with the guide plate 222.
So when the direction of the conductor entering is changed, the adjustment personnel can adjust the inclination angle of the guide plate 222 through the adjusting bolt 2212 and the adjusting nut 2213, and then adjust the tape outlet angle of the tape outlet assembly 4.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (4)

1. The cable manufacturing process is characterized in that: the method comprises the following steps: s1, drawing; s2, twisting; s3, extruding and wrapping an insulating layer; s4, wrapping a waterproof layer; s5, armoring; s6, extruding the outer insulating layer;
In the step S4, a multi-layer wrapping device is used for carrying out multi-layer wrapping on the conductor;
The multistage wrapping device comprises a plurality of wrapping frames (1), a driving box (2), a connecting arm (3), a belt discharging assembly (4) and a driving mechanism (5), wherein the wrapping frames (1) are sequentially arranged along the extending direction of a conductor, the driving box (2) is arranged on the wrapping frame (1), the connecting arm (3) is connected to the outer side wall of the driving box (2), the belt discharging assembly (4) is arranged on the connecting arm (3), and the driving mechanism (5) is arranged on the driving box (2); the wrapping machine frame (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 strip discharging assembly (4) is used for winding a waterproof strip (6) onto a conductor, circular sliding grooves (121) are formed in the side walls of two sides of the annular sliding frame (12), the driving box (2) is provided with an embedded groove, and two side edges of the embedded groove are respectively embedded into the circular sliding grooves (121) of 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), the driving mechanism (5) comprises 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), the driving gear (52) extends into the annular driving groove (122) through the embedded groove and is meshed with the driving gear ring (123), 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 arranged on the rotating frame (41), and a belt (6) wound on the waterproof belt (6) raw material wheel (42) sequentially bypasses the pressing wheel (43) and the output wheel (44) and winds a conductor on the annular sliding frame (12); the pressing wheel (43) comprises an inner wheel (431) rotationally 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), abutting arc pieces (434) fixed on the elastic blocks (433) and abutted against the inner surface of the rubber rim (432), two groups of connecting arms (3) and the belt discharging assembly (4) are arranged on a wrapping machine frame (1) in total, and the two groups of connecting arms (3) and the belt discharging assembly (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 outlet assembly (4) through which the conductor passes is also provided with two barrier strips (61), 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.
2. A cable manufacturing process according to claim 1, 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).
3. A cable manufacturing process according to claim 1, 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 is connected with the end part of the second rotating rod (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); a sliding sleeve (311) is sleeved on the first rotating rod (31), and the sliding sleeve (311) is in sliding connection with the first rotating rod (31); an electric cylinder (21) is fixed on the side wall of the driving box (2), the end part of a piston rod of the electric cylinder (21) is hinged with the outer wall of the sliding sleeve (311), a guide frame (22) is fixedly connected with the outside of the driving box (2), a second rotating rod (32) is hinged with the first rotating rod (31), a guide sleeve (321) is sleeved on the second rotating rod (32), and the guide sleeve (321) is slidably installed with the guide frame (22); 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.
4. A cable manufacturing process according to claim 1, wherein: in step S4, the conductor is heated by a heater before entering the multi-stage wrapping device.
CN202210467646.5A 2022-04-27 2022-04-27 Cable manufacturing process Active CN114758848B (en)

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GB755658A (en) * 1954-03-12 1956-08-22 British Insulated Callenders Improvements in or relating to the manufacture of electric power cables
BE813894A (en) * 1973-05-04 1974-08-16 AUTOMATIC PACKAGING OF BATTERIES OR BLOCKS OF FLEXIBLE FLAT ITEMS
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