CN114851503B

CN114851503B - Flexible composite cable and manufacturing equipment thereof

Info

Publication number: CN114851503B
Application number: CN202210776068.3A
Authority: CN
Inventors: 王涛; 赵兵; 林珑; 林刚
Original assignee: Kunshan Xinzhicheng Electronic Technology Co ltd
Current assignee: Kunshan Xinzhicheng Electronic Technology Co ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-09-20
Anticipated expiration: 2042-07-04
Also published as: CN114851503A

Abstract

The invention belongs to the technical field of cables, and particularly relates to manufacturing equipment of a flexible composite cable and the flexible composite cable, which comprise a shaping part fixed through a bracket I, wherein the upper end of the shaping part is connected with a first extrusion assembly for allowing four wires to pass through, and a first heating and cooling assembly is arranged below the shaping part; the packaging component, the second extrusion component, the second heating and cooling component and the winding device are also included; the first extrusion assembly is used for enabling the four wires to be coated by the insulating rubber layer; the first heating and cooling assembly is used for heating and cooling the insulating rubber layer; the packaging component is used for wrapping the flame-retardant fabric layer on the outer side of the insulating rubber layer; the second extrusion assembly is used for coating the wear-resistant rubber layer on the outer side of the flame-retardant fabric layer; the second heating and cooling assembly is used for heating and cooling the wear-resistant rubber layer; the winding device is used for winding the cable.

Description

Flexible composite cable and manufacturing equipment thereof

Technical Field

The invention belongs to the technical field of cables, and particularly relates to a manufacturing device of a flexible composite cable and the flexible composite cable.

Background

The cable is generally formed by twisting a plurality of or a plurality of groups of conducting wires, the performance of the cable is different according to different use scenes, the performance of the cable is mainly divided into mechanical performance and thermal performance, the universality of the cable can be greatly improved under the condition of better mechanical performance and thermal performance, and the mechanical performance mainly refers to tensile strength, elongation, bendability, elasticity, flexibility and the like.

The insulating layer of the existing flexible cable is mostly thin, and the insulating layer can be broken along with long-time use, so that the insulating property is reduced. Meanwhile, when the inner core of the existing flexible cable is solid, the flexibility of the existing flexible cable is poor, and all wires of the inner core are movable, so that the friction force of the wires is undoubtedly improved when the cable is used, and the insulating layer coated by the wires is damaged due to friction. Meanwhile, in the prior art, manufacturing equipment capable of producing the flexible cable is also lacked.

Disclosure of Invention

In view of the above-mentioned shortcomings, the present invention provides a manufacturing apparatus for a flexible composite cable and a flexible composite cable.

The invention provides the following technical scheme:

a manufacturing device of a flexible composite cable comprises a shaping part fixed through a support, wherein the upper end of the shaping part is connected with a first extrusion assembly for allowing four wires to pass through, and a first heating and cooling assembly is arranged below the shaping part;

a cross bar frame is detachably arranged in the shaping part, and a middle rod is fixedly connected to the lower end of the cross bar frame in the middle; the four sides of the middle rod are fixedly connected with U-shaped plates, a transverse rod is arranged in the middle of the U-shaped plates, and two ends of the transverse rod are fixedly connected with the middle rod and the U-shaped plates respectively;

a pair of first stop blocks are slidably inserted into the two U-shaped plates which are oppositely arranged, and a pair of second stop blocks and a plurality of pairs of third stop blocks are slidably inserted into the other two U-shaped plates which are oppositely arranged;

the first stop block, the second stop block and the third stop block are respectively connected with an electric push rod arranged on the transverse rod;

the packaging component, the second extrusion component, the second heating and cooling component and the winding device are also included;

the first extrusion assembly is used for enabling the four wires to be coated by the insulating rubber layer;

the first heating and cooling assembly is used for heating and cooling the insulating rubber layer;

the packaging component is used for wrapping the flame-retardant fabric layer on the outer side of the insulating rubber layer;

the second extrusion assembly is used for coating the wear-resistant rubber layer on the outer side of the flame-retardant fabric layer;

the second heating and cooling assembly is used for heating and cooling the wear-resistant rubber layer;

the winding device is used for winding the cable.

The first extrusion assembly comprises a supporting part fixed through a second support, a feeding part is fixedly connected to the lower end of the supporting part, a plurality of feeding holes I are annularly distributed on the feeding part, an annular pipe I is arranged on the outer side of the feeding part and is connected with the feeding holes I through a branch pipe, and the annular pipe I is also connected with a discharge hole of the first screw extruder;

the lower end of the feeding part is estimated to be provided with a vibrating part, and the outer wall of the vibrating part is provided with a vibrator; the lower end of the vibration part is connected with the upper end of the shaping part through a corrugated pipe;

the first extrusion assembly also comprises four wire guide pipes, the upper parts of the wire guide pipes are fixedly connected with the supporting part through a third bracket, and the lower parts of the wire guide pipes are inserted into the shaping part;

the first extrusion assembly further comprises a cable guide pipe, the upper part of the cable guide pipe is fixedly connected with the supporting part through a bracket IV, and the lower part of the cable guide pipe is inserted into a cable through hole I arranged in the middle of the cross bar frame;

and a cable connected with the electric push rod sequentially passes through a cable through hole II, a cable through hole I and a cable guide pipe arranged on the middle rod to extend out.

The first heating and cooling assembly comprises a first heating sleeve arranged below the shaping part and a first cooling sleeve arranged below the first heating sleeve;

the first heating and cooling assembly further comprises a cross plate frame fixedly connected to the lower end of the middle-placed rod, a heating sheet is arranged on the cross plate frame corresponding to the first heating sleeve, a cooling sheet is arranged on the cross plate frame corresponding to the first cooling sleeve, and cables connected with the heating sheet and the cooling sheet sequentially pass through a cable through hole III, a cable through hole II, a cable through hole I and a cable guide pipe arranged on the cross plate frame to extend out;

the second heating and cooling assembly comprises a second heating sleeve arranged below the second extrusion assembly and a second cooling sleeve arranged below the second heating sleeve.

A first limiting component is arranged above the supporting part; and second limiting assemblies are arranged below the cross plate frame, above the second extrusion assembly and below the second cooling sleeve.

The first limiting assembly comprises a first limiting disc fixed through a fifth support, and four first through holes are formed in the first limiting disc; a first mounting block is fixedly connected to the first limiting disc on the four sides of the first through hole, a first guide pillar hole is formed in the first mounting block, a first guide pillar is transversely slidably mounted in the first guide pillar hole, a first moving block is fixedly connected to the first guide pillar, a first spring is sleeved on the first guide pillar, and two ends of the first spring are fixedly connected with the first mounting block and the first moving block respectively; one end of the moving block I, which is close to the through hole, is provided with a rotating roller I; a first threaded hole is formed in the first mounting block, and a first adjusting bolt is mounted in the first threaded hole;

the second limiting assembly comprises a second limiting disc fixed through a sixth support, and a second through hole is formed in the middle of the second limiting disc; a second mounting block is fixedly connected to the second limiting disc on the four sides of the second through hole, a second guide pillar hole is formed in the second mounting block, a second guide pillar is transversely slidably mounted in the second guide pillar hole, a second moving block is fixedly connected to the second guide pillar, a second spring is sleeved on the second guide pillar, and two ends of the second spring are fixedly connected with the second mounting block and the second moving block respectively; one end of the moving block II, which is close to the through hole II, is provided with a rotating roller II; and a second threaded hole is formed in the second mounting block, and a second adjusting bolt is installed in the second threaded hole.

The packaging assembly comprises a rack, a transverse linear sliding table is arranged in the middle of the rack, and a vacuum chuck is arranged on a sliding block of the transverse linear sliding table; a plurality of support rods are arranged on the rack at both sides of the transverse linear sliding table at intervals, and a material supporting plate is fixedly connected to one side of each support rod;

a first rotating seat is arranged below the gap of the adjacent support rods and is used for driving the first arc-shaped rod to rotate; a second rotating seat is arranged on the side of the first rotating seat and used for driving the second arc-shaped rod to rotate;

the packaging assembly further comprises a first transition wheel and a second transition wheel which are arranged on two sides of the rack; an installation frame is installed at one end, close to the second transition wheel, of the rack, and an upper pressing wheel and a lower pressing wheel are installed on the installation frame at intervals from top to bottom.

The second extrusion assembly comprises a stirring part provided with a stirring cavity, a plurality of second feeding holes are uniformly distributed on the side surface of the upper part of the stirring part in an annular shape, second annular pipes are arranged on the outer sides of the second feeding holes and connected with the second feeding holes through branch pipes, and the second annular pipes are also connected with a discharge hole of the second screw extruder;

the second extrusion assembly further comprises an extrusion pipe, and a cable hole is formed in the middle of the extrusion pipe; the upper part of the extrusion pipe is connected with a bearing seat, the bearing seat is fixed through a bracket seven, the lower part of the extrusion pipe extends into the stirring part, and the outer side surface of the lower part of the extrusion pipe is provided with a spiral blade; the upper part of the extrusion pipe is provided with a belt wheel, the belt wheel is connected with a power system through a transmission belt, and the power system is used for driving the extrusion pipe to rotate;

the lower end of the stirring part is fixedly connected with an end seat, and a through cavity is arranged in the middle of the end seat;

the upper side and the lower side of the second extrusion assembly are respectively provided with a third transition wheel and a fourth transition wheel.

A connecting column is fixedly connected to the cross-bar frame, and a thread groove is formed in the connecting column; one end of the connecting bolt penetrates through a third through hole formed in the shaping part and is connected with the connecting column.

The first stop block, the second stop block and the third stop block are all in a cuboid shape, and one side of the first stop block, the second stop block and the third stop block is provided with a groove.

Based on the manufacturing equipment of the flexible composite cable, the invention also provides the flexible composite cable, which comprises an insulating rubber layer provided with a cross cavity, wherein four leads separated by the cross cavity are coated in the insulating rubber layer; the outer side of the insulating rubber layer is coated with a flame-retardant fabric layer, and the outer side of the flame-retardant fabric layer is coated with a wear-resistant rubber layer.

The invention has the beneficial effects that:

the wire is completely coated by the integrated insulating rubber layer, so that the wire is not excessively abraded in use, and the insulating effect of the insulating layer is improved by improving the volume of the insulating rubber layer. According to the invention, the cross-shaped cavity is arranged in the insulating rubber layer, so that the quality of the cable can be reduced on the premise of not reducing the insulating effect, and the flexibility of the cable is ensured. The manufacturing equipment of the flexible composite cable provided by the invention can flexibly cover the insulating rubber, meanwhile, the required cross-shaped cavities with different sizes are worth in the insulating rubber layer, the flame-retardant fabric layer can be covered outside the insulating rubber layer, and meanwhile, the wear-resistant rubber layer can be covered.

Drawings

FIG. 1 is a schematic view of the cable construction of the present invention;

FIG. 2 is a schematic view of the manufacturing facility mechanism of the present invention;

FIG. 3 is a top view of the first stop assembly;

FIG. 4 is a schematic view of the mounting of the first moveable block;

FIG. 5 is a schematic view of the feed section installation;

FIG. 6 is a schematic view of a wire guide and cable guide arrangement;

FIG. 7 is a cross bar mounting schematic;

FIG. 8 is an enlarged view at A of FIG. 7;

FIG. 9 is a schematic view of the first, second and third stops being installed;

FIG. 10 is a schematic view of the connection between the second stopper and the electric push rod;

FIG. 11 is a schematic view of a second stopper structure;

FIG. 12 is a schematic view of the connection of the center pole to the "U" shaped plate;

FIG. 13 is a schematic view of the first, second and third blocks shown in an extended configuration;

FIG. 14 is a top view of the second stop assembly;

FIG. 15 is a schematic view of the mounting of the second moving mass;

FIG. 16 is a schematic view of a transverse linear ramp installation;

FIG. 17 is a schematic view of a flame retardant fabric layer as installed;

fig. 18 is a schematic view of a second extrusion assembly.

Labeled as: the wire 101, the rubber layer 102, the insulating rubber layer 103, the cross cavity 104, the flame-retardant fabric layer 105, the wear-resistant rubber layer 106, the first transition wheel 107, the second transition wheel 108, the third transition wheel 109, the fourth transition wheel 110, the winding device 111, the first limiting disc 201, the fifth support 202, the first through hole 203, the first rotating roller 204, the first moving block 205, the first spring 206, the first mounting block 207, the first adjusting bolt 208, the support part 301, the second support 302, the first annular pipe 303, the vibrating part 304, the vibrator 305, the corrugated pipe 306, the shaping part 307, the first support 308, the third support 309, the wire guide 310, the cable guide 311, the feeding part 312, the first feeding hole 313, the fourth support 314, the cross rod frame 401, the connecting column 402, the connecting bolt 403, the second stop 404, the third stop 405, the U-shaped plate 406, the middle rod 407, the first stop 408, the transverse rod 409, the electric push rod 410, the cross plate frame 501, the heating plate 502, the first heating sleeve 503, the second heating sleeve 108, the third sleeve 302, the third sleeve 111, the third sleeve 201, the third sleeve device and the shape sleeve device, The cooling device comprises a cooling fin 504, a first cooling sleeve 505, a second heating sleeve 506, a second cooling sleeve 507, a second limiting disc 601, a sixth support 602, a second through hole 603, a second rotating roller 604, a second moving block 605, a second spring 606, a second mounting block 607, a second adjusting bolt 608, a rack 701, an upper pressing wheel 702, a lower pressing wheel 703, a transverse linear sliding table 704, a sliding block 705, a vacuum chuck 706, a material supporting plate 707, a supporting rod 708, a first arc-shaped rod 709, a first rotating seat 710, a second rotating seat 711, a second arc-shaped rod 712, a stirring part 801, an extrusion pipe 802, a bearing seat 803, a transmission belt 804, an end seat 805, a spiral blade 806 and a second feeding hole 807.

Detailed Description

Example one

As shown in fig. 1 to 18, a manufacturing apparatus for a flexible composite cable includes a shaping portion 307, a first extruding component, a first heating and cooling component, a packaging component, a second extruding component, a second heating and cooling component, and a winding apparatus 111, wherein the shaping portion 307, the first extruding component, the first heating and cooling component, the packaging component, the second extruding component, the second heating and cooling component, and the winding apparatus 111 may be mounted on a three-dimensional rack or a multi-layer platform. Specifically, the shaping portion 307 is fixedly mounted through the first support 308, and the first support 308 can ensure that the shaping portion 307 does not shake during working, so that the phenomenon that the eccentricity after coating is not satisfactory due to shaking of the shaping portion 307 is avoided.

The upper end of the shaping portion 307 is connected with a first extrusion assembly for allowing the four wires 101 to pass through, and the first extrusion assembly is used for enabling the four wires 101 to be coated by the insulating rubber layer 103. Specifically, the first extrusion assembly comprises a supporting portion 301 fixed through a second support 302, a feeding portion 312 is fixedly connected to the lower end of the supporting portion 301, a plurality of feeding holes 313 are annularly distributed in the feeding portion 312, a first annular pipe 303 is arranged on the outer side of the feeding portion 312, the first annular pipe 303 is connected with the first feeding holes 313 through a branch pipe, the first annular pipe 303 is further connected with a discharging port of the first screw extruder, and melted insulating rubber is extruded into the feeding portion 312 through the first feeding holes 313 by the first screw extruder.

The vibration part 304 is estimated at the lower end of the feeding part 312, the vibrator 305 is installed on the outer wall of the vibration part 304, the melted insulating rubber extruded into the feeding part 312 can be accumulated, the vibrator 305 is started, the insulating rubber in the vibration part 304 can be vibrated uniformly, and large bubbles in the insulating rubber are removed.

The lower end of the vibration part 304 is connected with the upper end of the shaping part 307 through the corrugated pipe 306, so that when the vibration part 304 is vibrated by the vibrator 305, the vibration is not conducted to the shaping part 307, and the phenomenon that the eccentricity of the coating is not qualified due to the shaking of the shaping part 307 can be avoided.

The first extrusion assembly further comprises four wire guide tubes 310, wherein the upper parts of the wire guide tubes 310 are fixedly connected with the supporting part 301 through the third bracket 309, and the lower parts of the wire guide tubes 310 are inserted into the shaping part 307. The cross bar frame 401 is detachably mounted in the shaping portion 307, specifically, the cross bar frame 401 is fixedly connected with the connecting column 402, a thread groove is formed in the connecting column 402, and one end of the connecting bolt 403 penetrates through a third through hole formed in the shaping portion 307 and is connected with the connecting column 402. The diameter of the coated insulating layer can be adjusted by replacing the shaping part 307 with different inner diameters.

The lower end of the cross rod frame 401 is fixedly connected with a middle rod 407 in the middle, four sides of the middle rod 407 are fixedly connected with a U-shaped plate 406, a transverse rod 409 is arranged in the middle of the U-shaped plate 406, and two ends of the transverse rod 409 are fixedly connected with the middle rod 407 and the U-shaped plate 406 respectively.

A pair of first stoppers 408 are slidably inserted into each of the two opposite U-shaped plates 406, and a pair of second stoppers 404 and a plurality of pairs of third stoppers 405 are slidably inserted into each of the other two opposite U-shaped plates 406. The first stopper 408, the second stopper 404, and the third stopper 405 are all rectangular, and have a groove on one side. The first stopper 408, the second stopper 404 and the third stopper 405 are respectively connected with an electric push rod 410 mounted on the transverse rod 409, and the electric push rod 410 can drive the first stopper 408, the second stopper 404 and the third stopper 405 to extend out. In the arrangement, a plurality of pairs of third stoppers 405 are provided on the side of the second stopper 404 close to the center rest 407, and the width of the third stoppers 405 is small, so that after the first stopper 408 is extended, the third stopper 405 blocked by the first stopper 408 is not extended, and the third stopper 405 not blocked by the first stopper 408 is extended together with the second stopper 404 to form a cross having different cross-sectional areas.

The wires 101 can enter the shaping part 307 along the wire guide tube 310, the four wires 101 respectively enter the area partitioned by the cross rod frame 401, the melted insulating rubber enters the shaping part 307, and the insulating rubber layer 103 formed by the cured insulating rubber is separated from the U-shaped plate 406, the first block 408, the second block 404 and the third block 405 under the blocking action of the cross rod frame 401, the U-shaped plate 406, the first block 408, the second block 404 and the third block 405, so that the cross cavity 104 is formed. The cross-sectional area of the cross cavity 104 can be adjusted by changing the length of the first, second and

third stops

408, 404, 405. When the insulating rubber is coated, the protruding lengths of the first stopper 408, the second stopper 404, and the third stopper 405 are not always constant, and the cross cavity 104 having a wavy cross section can be manufactured by adjusting the protruding lengths of the first stopper 408, the second stopper 404, and the third stopper 405 at regular time.

The first extrusion assembly further comprises a cable guide tube 311, the upper part of the cable guide tube 311 is fixedly connected with the supporting part 301 through a bracket IV 314, and the lower part of the cable guide tube 311 is inserted into a cable through hole I arranged in the center of the cross rod frame 401. The cable connected with the electric push rod 410 sequentially passes through the second cable through hole, the first cable through hole and the cable guide pipe 311 arranged on the middle rod 407 to extend out. By extending the cable from the cable through hole two, the cable through hole one and the cable guide tube 311, the cable can be prevented from obstructing the manufacture of the insulating rubber layer 103.

A first heating and cooling component is arranged below the shaping portion 307, and the first heating and cooling component is used for heating and cooling the insulating rubber layer 103. Specifically, the first heating and cooling assembly includes a first heating sleeve 503 disposed below the shaping portion 307 and a first cooling sleeve 505 disposed below the first heating sleeve 503. The first heating and cooling assembly further comprises a cross plate frame 501 fixedly connected to the lower end of the middle rod 407, a heating sheet 502 is arranged on the cross plate frame 501 corresponding to the first heating sleeve 503, a cooling sheet 504 is arranged on the cross plate frame 501 corresponding to the first cooling sleeve 505, and cables connected with the heating sheet 502 and the cooling sheet 504 sequentially pass through a cable through hole three, a cable through hole two, a cable through hole one and a cable guide pipe 311 arranged on the cross plate frame 501 to extend out. The width of the cross plate frame 501 is smaller than that of the U-shaped plate 406, so as to ensure that the insulating rubber layer 103 with the cross cavity 104 can smoothly descend along with the conductor 101. By providing the heating plate 502 and the cooling plate 504 on the cross plate frame 501, the cavity wall of the cross cavity 104 of the insulating rubber layer 103 can be heated and cooled, thereby increasing the heating and cooling speed. After heating and cooling, the conductor 101 covered with the insulating rubber layer 103 enters the package assembly, and the insulating rubber layer 103 is formed with the cross-shaped cavity 104.

The packaging component is used for wrapping the flame-retardant fabric layer 105 outside the insulating rubber layer 103. Specifically, the packaging assembly comprises a rack 701, a transverse linear sliding table 704 is arranged on the rack 701 in the center, a sliding block 705 of the transverse linear sliding table 704 is provided with a vacuum suction cup 706, and a suction cup opening of the vacuum suction cup 706 faces upwards. A plurality of support rods 708 are arranged on the rack 701 at both sides of the transverse linear sliding table 704 at intervals, and a material supporting plate 707 is fixedly connected to one side of each support rod 708. The flame-retardant fabric layer 105 is in a sheet shape, firstly, the vacuum chuck 706 is made to move to one end of the material supporting plate 707, the flame-retardant fabric layer 105 is placed on the material supporting plate 707, the lower end of the flame-retardant fabric layer 105 is sucked by the vacuum chuck 706, and then the vacuum chuck 706 is driven by the transversely arranged linear sliding table 704 to drag the flame-retardant fabric layer 105 to move to the supporting rod 708.

A first rotating seat 710 is arranged below the gap of the adjacent support rod 708, and the first rotating seat 710 is used for driving the arc-shaped rods 709 to rotate. The first rotating seat 710 is provided with a second rotating seat 711 on the side, and the second rotating seat 711 is used for driving the second arc-shaped rod 712 to rotate. The packaging assembly further comprises a first transition wheel 107 and a second transition wheel 108 arranged on both sides of the rack 701. An installation frame is installed at one end of the rack 701 close to the second transition wheel 108, and an upper pressure wheel 702 and a lower pressure wheel 703 are installed on the installation frame at intervals from top to bottom.

The wire 101 together with the coated insulating rubber layer 103 passes through the turning of the transition wheel I107 and the transition wheel II 108, so that the wire 101 together with the coated insulating rubber layer 103 passes through the supporting rod 708 in a transverse state, firstly, the first rotating seat 710 drives the arc-shaped rod I709 to rotate, so that the arc-shaped rod I709 presses one end of the flame-retardant fabric layer 105 against the insulating rubber layer 103, at the moment, the vacuum suction cup 706 still holds the other end of the flame-retardant fabric layer 105, then, the vacuum suction cup 706 releases the other end of the flame-retardant fabric layer 105, the second rotating seat 711 is used for driving the arc-shaped rod II 712 to rotate, so that the arc-shaped rod II 712 presses the other end of the flame-retardant fabric layer 105 against the insulating rubber layer 103, and the glue layer 102 arranged at the other end of the flame-retardant fabric layer 105 is bonded with the flame-retardant fabric layer 105 already pressed against the insulating rubber layer 103. Because the first arc-shaped rod 709 and the second arc-shaped rod 712 are arranged in a staggered manner, and the end part of the first arc-shaped rod 709 is not propped against the end part of the flame-retardant fabric layer 105, after the adhesive layer 102 is bonded with one end of the flame-retardant fabric layer 105, both the first arc-shaped rod 709 and the second arc-shaped rod 712 can retract. The flame-retardant fabric layer 105 continues to move together with the wires 101, and the incompletely adhered adhesive layer 102 is completely adhered under the extrusion of the upper pressing wheel 702 and the lower pressing wheel 703.

The second extrusion assembly is used to coat the wear-resistant rubber layer 106 outside the flame-retardant fabric layer 105. Specifically, the second extrusion component is including the stirring portion 801 that is equipped with the stirring chamber, and stirring portion 801 upper portion side is the annular equipartition and has a plurality of feed port two 807, and the feed port two 807 outside is equipped with annular pipe two, and annular pipe two passes through the branch pipe to be connected with feed port two 807, and annular pipe two still is connected with second screw extruder's discharge gate. The melted wear-resistant rubber extruded by the second screw extruder enters the stirring part 801 through the second feeding hole 807.

The second extrusion assembly further comprises an extrusion tube 802, the extrusion tube 802 having a cable hole centrally located therein through which the wire 101 wound with the flame retardant fabric layer 105 may pass. The upper part of the extrusion pipe 802 is connected with a bearing seat 803, the bearing seat 803 is fixed by a support seven, the lower part of the extrusion pipe 802 extends into the stirring part 801, and the outer side surface of the lower part of the extrusion pipe 802 is provided with a spiral blade 806. The upper portion of extrusion pipe 802 is installed the band pulley, and the band pulley passes through drive belt 804 to be connected with driving system, and driving system is used for driving extrusion pipe 802 to rotate, and driving system can select for use by the motor as the transmission system of power supply, and this is comparatively ripe in prior art, and it is no longer repeated here. An end seat 805 is fixedly connected to the lower end of the stirring part 801, a through cavity is arranged in the middle of the end seat 805, and the through cavity is communicated with the stirring cavity. The wire 101 wound with the flame-retardant fabric layer 105 enters the through cavity, and the melted wear-resistant rubber also enters the through cavity so as to be coated on the flame-retardant fabric layer 105.

The second heating and cooling assembly is used for heating and cooling the wear-resistant rubber layer 106, and specifically, the second heating and cooling assembly comprises a second heating sleeve 506 arranged below the second extrusion assembly and a second cooling sleeve 507 arranged below the second heating sleeve 506. The second heating sleeve 506 may heat the wear-resistant rubber layer 106 and the second cooling sleeve 507 may cool the wear-resistant rubber layer 106.

The upper side and the lower side of the second extrusion assembly are respectively provided with a third transition wheel 109 and a fourth transition wheel 110, the lead 101 wound with the flame-retardant fabric layer 105 enters the extrusion pipe 802 in a vertical state under the guiding action of the second transition wheel 108, the third transition wheel 109 and the fourth transition wheel 110, and then the cable coated with the wear-resistant rubber layer 106 is wound by the winding device 111 in a horizontal state.

Example two

The difference between the present embodiment and the present embodiment is that a first limiting component is disposed above the supporting portion 301, and second limiting components are disposed below the cross plate frame 501, above the second extruding component, and below the second cooling sleeve 507. The first limiting component and the second limiting component can be used for enabling the conducting wire 101 between the first limiting component and the second limiting component to keep a vertical state, and therefore the eccentricity of the cladding meets the requirement. The second limiting assembly arranged on the upper side and the lower side can enable the wire 101 in the second extrusion assembly to keep a vertical state, so that the eccentricity of the cladding meets the requirement.

Specifically, the first limiting component comprises a first limiting disc 201 fixed through a fifth support 202, and the first limiting disc 201 is provided with four first through holes 203. The first limiting disc 201 located on the four sides of the first through hole 203 is fixedly connected with a first mounting block 207, a first guide pillar hole is formed in the first mounting block 207, a first guide pillar is transversely slidably mounted in the first guide pillar hole, a first moving block 205 is fixedly connected to the first guide pillar, a first spring 206 is sleeved on the first guide pillar, and two ends of the first spring 206 are fixedly connected with the first mounting block 207 and the first moving block 205 respectively. And one end of the first moving block 205, which is close to the first through hole 203, is provided with a first rotating roller 204. The first mounting block 207 is provided with a first threaded hole, the first threaded hole is internally provided with a first adjusting bolt 208, and the position of the first moving block 205 can be adjusted by screwing the first adjusting bolt 208.

The second limiting component comprises a second limiting disc 601 fixed through a sixth support 602, and a second through hole 603 is formed in the middle of the second limiting disc 601. The second mounting block 607 is fixedly connected to the second limiting disc 601 on the four sides of the second through hole 603, the second mounting block 607 is provided with a second guide pillar hole, a second guide pillar is transversely slidably mounted in the second guide pillar hole, a second moving block 605 is fixedly connected to the second guide pillar, a second spring 606 is sleeved on the second guide pillar, and two ends of the second spring 606 are fixedly connected with the second mounting block 607 and the second moving block 605 respectively. And a second rotating roller 604 is arranged at one end of the second moving block 605 close to the second through hole 603. The second mounting block 607 is provided with a second threaded hole, and a second adjusting bolt 608 is installed in the second threaded hole. The position of the second moving block 605 can be adjusted by screwing the second adjusting bolt 608.

The first rotating roller 204 limits the position of the wire 101, and the second rotating roller 604 limits the position of the wire 101 coated on the insulating rubber layer 103, so that the wire 101 between the first limiting assembly and the second limiting assembly is kept in a vertical state.

The position of the wire 101 coated with the flame-retardant fabric layer 105 is limited by the upper rotating roller I204, and the position of the wire 101 coated with the wear-resistant rubber layer 106 is limited by the lower rotating roller I204, so that the wire 101 in the second extrusion assembly is kept in a vertical state.

The invention also provides a flexible composite cable which is manufactured by the manufacturing equipment of the flexible composite cable in the first embodiment and the second embodiment, the cable comprises an insulating rubber layer 103 provided with a cross cavity 104, and four leads 101 separated by the cross cavity 104 are covered in the insulating rubber layer 103; the outside of the insulating rubber layer 103 is wrapped with a flame retardant fabric layer 105, and the outside of the flame retardant fabric layer 105 is wrapped with a wear resistant rubber layer 106. The insulating effect can be effectively improved by completely arranging the insulating rubber in the flame-retardant fabric layer 105, and meanwhile, the flexibility of the cable can be effectively improved by arranging the cross cavity 104 in the insulating rubber layer 103.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A manufacturing equipment of flexible composite cable is characterized in that: the wire drawing device comprises a shaping part (307) fixed through a first bracket (308), wherein the upper end of the shaping part (307) is connected with a first extrusion assembly for allowing four wires (101) to pass through, and a first heating and cooling assembly is arranged below the shaping part (307);

a cross bar frame (401) is detachably arranged in the shaping part (307), and a middle rod (407) is fixedly connected to the middle of the lower end of the cross bar frame (401); the four sides of the middle-placed rod (407) are fixedly connected with U-shaped plates (406), a transverse rod (409) is arranged in the middle of the U-shaped plates (406), and two ends of the transverse rod (409) are fixedly connected with the middle-placed rod (407) and the U-shaped plates (406) respectively;

a pair of first stop blocks (408) are slidably inserted into two U-shaped plates (406) which are arranged oppositely, and a pair of second stop blocks (404) and a plurality of pairs of third stop blocks (405) are slidably inserted into the other two U-shaped plates (406) which are arranged oppositely;

the first stop block (408), the second stop block (404) and the third stop block (405) are respectively connected with an electric push rod (410) arranged on a transverse rod (409);

the packaging device also comprises a packaging component, a second extrusion component, a second heating and cooling component and a winding device (111);

the first extrusion assembly is used for enabling four wires (101) to be coated by an insulating rubber layer (103);

the first heating and cooling component is used for heating and cooling the insulating rubber layer (103);

the packaging component is used for wrapping the flame-retardant fabric layer (105) outside the insulating rubber layer (103);

the second extrusion component is used for covering the wear-resistant rubber layer (106) on the outer side of the flame-retardant fabric layer (105);

the second heating and cooling component is used for heating and cooling the wear-resistant rubber layer (106);

the winding device (111) is used for winding the cable;

the first extrusion assembly comprises a supporting part (301) fixed through a second support (302), the lower end of the supporting part (301) is fixedly connected with a feeding part (312), a plurality of feeding holes I (313) are annularly distributed on the feeding part (312), an annular pipe I (303) is arranged on the outer side of the feeding part (312), the annular pipe I (303) is connected with the feeding holes I (313) through a branch pipe, and the annular pipe I (303) is further connected with a discharge hole of the first screw extruder;

the lower end of the feeding part (312) is estimated to be provided with a vibrating part (304), and the outer wall of the vibrating part (304) is provided with a vibrator (305); the lower end of the vibration part (304) is connected with the upper end of the shaping part (307) through a corrugated pipe (306);

the first extrusion assembly further comprises four lead guide pipes (310), the upper parts of the lead guide pipes (310) are fixedly connected with the supporting part (301) through a third bracket (309), and the lower parts of the lead guide pipes (310) are inserted into the shaping part (307);

the first extrusion assembly further comprises a cable guide pipe (311), the upper part of the cable guide pipe (311) is fixedly connected with the supporting part (301) through a bracket IV (314), and the lower part of the cable guide pipe (311) is inserted into a cable through hole I arranged in the center of the cross rod frame (401);

the cable connected with the electric push rod (410) sequentially passes through the cable through hole II, the cable through hole I and the cable guide pipe (311) arranged on the middle rod (407) to extend out.

2. The manufacturing apparatus of flexible composite cable according to claim 1, characterized in that: the first heating and cooling assembly comprises a first heating sleeve (503) arranged below the shaping part (307) and a first cooling sleeve (505) arranged below the first heating sleeve (503);

the first heating and cooling assembly further comprises a cross plate frame (501) fixedly connected to the lower end of the middle rod (407), a heating sheet (502) is arranged on the cross plate frame (501) corresponding to the first heating sleeve (503), a cooling sheet (504) is arranged on the cross plate frame (501) corresponding to the first cooling sleeve (505), and cables connected with the heating sheet (502) and the cooling sheet (504) sequentially pass through a cable through hole III, a cable through hole II, a cable through hole I and a cable guide pipe (311) arranged on the cross plate frame (501) to extend out;

the second heating and cooling assembly comprises a second heating sleeve (506) arranged below the second extrusion assembly and a second cooling sleeve (507) arranged below the second heating sleeve (506).

3. The manufacturing apparatus of the flexible composite cable according to claim 2, wherein: a first limiting component is arranged above the supporting part (301); and second limiting assemblies are arranged below the cross plate frame (501), above the second extrusion assembly and below the second cooling sleeve (507).

4. The manufacturing apparatus of flexible composite cable according to claim 3, characterized in that: the first limiting assembly comprises a first limiting disc (201) fixed through a fifth support (202), and four first through holes (203) are formed in the first limiting disc (201); the first limiting discs (201) on the four sides of the first through hole (203) are fixedly connected with first mounting blocks (207), first guide post holes are formed in the first mounting blocks (207), first guide posts are transversely slidably mounted in the first guide post holes, first moving blocks (205) are fixedly connected to the first guide posts, first springs (206) are sleeved on the first guide posts, and two ends of the first springs (206) are fixedly connected with the first mounting blocks (207) and the first moving blocks (205) respectively; one end of the first moving block (205), which is close to the first through hole (203), is provided with a first rotating roller (204); a first threaded hole is formed in the first mounting block (207), and a first adjusting bolt (208) is mounted in the first threaded hole;

the second limiting assembly comprises a second limiting disc (601) fixed through a sixth support (602), and a second through hole (603) is formed in the middle of the second limiting disc (601); a second mounting block (607) is fixedly connected to the second limiting disc (601) on the four sides of the second through hole (603), a second guide pillar hole is formed in the second mounting block (607), a second guide pillar is transversely slidably mounted in the second guide pillar hole, a second moving block (605) is fixedly connected to the second guide pillar, a second spring (606) is sleeved on the second guide pillar, and two ends of the second spring (606) are fixedly connected with the second mounting block (607) and the second moving block (605) respectively; one end of the second moving block (605), which is close to the second through hole (603), is provided with a second rotating roller (604); and a second threaded hole is formed in the second mounting block (607), and a second adjusting bolt (608) is installed in the second threaded hole.

5. The manufacturing apparatus of flexible composite cable according to claim 1, characterized in that: the packaging assembly comprises a rack (701), a transverse linear sliding table (704) is arranged in the middle of the rack (701), and a sliding block (705) of the transverse linear sliding table (704) is provided with a vacuum sucker (706); a plurality of support rods (708) are arranged on the rack (701) at both sides of the transverse linear sliding table (704) at intervals, and a material supporting plate (707) is fixedly connected to one side of each support rod (708);

a first rotating seat (710) is arranged below the gap of the adjacent supporting rods (708), and the first rotating seat (710) is used for driving the first arc-shaped rod (709) to rotate; a second rotating seat (711) is arranged on the side of the first rotating seat (710), and the second rotating seat (711) is used for driving the second arc-shaped rod (712) to rotate;

the packaging assembly further comprises a first transition wheel (107) and a second transition wheel (108) which are arranged on two sides of the rack (701); an installation frame is installed at one end, close to the second transition wheel (108), of the rack (701), and an upper pressing wheel (702) and a lower pressing wheel (703) are installed on the installation frame at intervals from top to bottom.

6. The manufacturing apparatus of flexible composite cable according to claim 5, wherein: the second extrusion assembly comprises a stirring part (801) provided with a stirring cavity, a plurality of second feeding holes (807) are uniformly distributed on the side surface of the upper part of the stirring part (801) in an annular shape, a second annular pipe is arranged on the outer side of the second feeding holes (807), the second annular pipe is connected with the second feeding holes (807) through a branch pipe, and the second annular pipe is also connected with a discharge hole of the second screw extruder;

the second extrusion assembly further comprises an extrusion pipe (802), and a cable hole is formed in the center of the extrusion pipe (802); the upper part of the extrusion pipe (802) is connected with a bearing seat (803), the bearing seat (803) is fixed through a bracket seven, the lower part of the extrusion pipe (802) extends into the stirring part (801), and the outer side surface of the lower part of the extrusion pipe (802) is provided with a spiral blade (806); the upper part of the extrusion pipe (802) is provided with a belt wheel which is connected with a power system through a transmission belt (804), and the power system is used for driving the extrusion pipe (802) to rotate;

the lower end of the stirring part (801) is fixedly connected with an end seat (805), and a through cavity is arranged in the middle of the end seat (805);

the upper side and the lower side of the second extrusion assembly are respectively provided with a third transition wheel (109) and a fourth transition wheel (110).

7. The apparatus for manufacturing a flexible composite cable according to any one of claims 1 to 6, wherein: a connecting column (402) is fixedly connected to the cross bar frame (401), and a thread groove is formed in the connecting column (402); one end of the connecting bolt (403) passes through a third through hole formed in the shaping part (307) and is connected with the connecting column (402).

8. The apparatus for manufacturing a flexible composite cable according to claim 7, wherein: the first stop block (408), the second stop block (404) and the third stop block (405) are all cuboid, and one side of each of the first stop block, the second stop block and the third stop block is provided with a groove.