Multi-layer stranding device for cables

Abstract

The utility model discloses a multi-layer stranding device for a cable, and relates to the technical field of cable stranding, the multi-layer stranding device comprises two bearing seats, a hollow main shaft is rotatably installed between the two bearing seats, two ends of the main shaft extend to two sides of the two bearing seats, the multi-layer stranding device is characterized by comprising a driving assembly, a cable passing assembly and a passive cable releasing assembly; the driving assembly is in transmission connection with the main shaft, a connecting flange is fixedly installed in the middle of the outer surface of the main shaft, a first disc and a second disc are fixedly installed on the main shaft through the connecting flange, and a plurality of driven pay-off assemblies are fixedly installed on the sides, opposite to each other, of the first disc and the second disc at equal intervals in a circumferential mode. The cable multilayer stranding device provided by the utility model realizes high-efficiency, high-precision and high-automation cable multilayer stranding through an ingenious structural design and a precise manufacturing process, solves many problems in the prior art, and has remarkable technical progress and practical application value.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable twisting technical field especially, a kind of for cable multilayer twisting device. BACKGROUND

[0002] In the field of cable manufacturing, multilayer twisting technology is a key production process, which directly affects the electrical performance, mechanical performance and overall quality of the cable. Traditional cable twisting equipment often has limited number of twisted layers, poor uniformity of twisting, low production efficiency and other problems, which is difficult to meet the demand of modern cable manufacturing for high quality and high efficiency.

[0003] Specifically, the cable twisting equipment in the prior art usually adopts single-layer or simple multi-layer twisting mode, which cannot realize complex and high-precision multi-layer twisting, and problems such as loose twisted wire and uneven twisting are prone to occur during twisting. Therefore, in order to solve the above problems, we propose a kind of cable multilayer twisting device. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the defects in the prior art and proposes a kind of cable multilayer twisting device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kind of cable multilayer twisting device, including two bearing seats, two the hollow spindle of rotation installation between the bearing seat, the both ends of the spindle extend to the both sides of two bearing seat, characterized by, including drive assembly, pass through line subassembly, passive pay-off assembly;

[0007] The drive assembly is in transmission connection with the spindle, and a connecting flange is fixedly installed on the middle part of the outer surface of the spindle. The spindle is fixedly installed with disc one and disc two through the connecting flange. A plurality of passive pay-off assemblies are fixedly installed on the side opposite to the disc one and the disc two at equal intervals, and two groups of pass-through line subassemblies are fixedly installed on the outer surface of the spindle. The number of each group of pass-through line subassemblies is the same as that of the passive pay-off assemblies, and each group of pass-through line subassemblies is fixedly installed on the outer surface of the spindle at equal intervals.

[0008] The front end of the spindle is fixedly installed with line distribution plate one and line distribution plate two through a plurality of mounting rods in sequence, the diameter of the line distribution plate two is greater than that of the line distribution plate one, a plurality of twisted wire holes are formed in the interior of the line distribution plate one and the line distribution plate two and the interior of the disc one and the disc two at equal intervals, and a center line hole is formed in the middle part of the line distribution plate one and the line distribution plate two.

[0009] The inside of the main shaft is provided with a center cable, the inside of each of the plurality of passive pay-off assemblies is provided with aramid yarn, and the plurality of aramid yarns respectively pass through corresponding overline assemblies and are twisted with the center cable through the first and second line distribution plates.

[0010] Further, the driving assembly comprises a driven pulley, a transmission belt, a driving pulley and a speed reducer motor, the driven pulley is fixedly installed on the rear side of the outer surface of the main shaft, the output end of the speed reducer motor is fixedly installed with the driving pulley, and the transmission belt is installed between the driving pulley and the driven pulley.

[0011] Further, the overline assembly comprises a bracket two, one side of the bracket two is fixedly installed with a mounting plate, one side of the mounting plate is rotatably installed with a fixed pulley, the front side of the mounting plate is fixedly installed with a sliding rail, the inside of the sliding rail is slidably installed with a sliding block, one end of the sliding block is rotatably installed with a movable pulley, and the sliding block and the mounting plate are fixedly installed with a spring.

[0012] Further, the passive pay-off assembly comprises a yarn ball, a wire drum and a magnetic hysteresis brake, a plurality of wire drums are rotatably installed on the sides opposite to the disc one and the disc two, the outer surface of the wire drum is provided with the yarn ball, the other end of the wire drum is installed with the magnetic hysteresis brake, and a plurality of magnetic hysteresis brakes are fixedly installed on the sides opposite to the disc one and the disc two.

[0013] Further, a plurality of brackets one are fixedly installed on the sides opposite to the disc one and the disc two at equal intervals in a circle, the inside of the bracket one is fixedly installed with an ultrasonic sensor, and the probe of the ultrasonic sensor faces the yarn ball.

[0014] Further, a plurality of inner holes are formed on the two sides of the connecting flange at equal intervals in a circle, a plurality of expansion sleeves are fixedly installed in the inner holes, and a plurality of bolts are installed in the inner holes, and the disc one and the disc two are installed on the connecting flange through the bolts.

[0015] Further, a current collector ring is fixedly installed on the outer surface of the rear end of the main shaft, and a plurality of wiring grooves are formed on the outer surface of the main shaft.

[0016] Further, a bracket three is fixedly installed on the side opposite to the disc one and the disc two, a proximity switch is fixedly installed on one side of the bracket three, and a metal induction plate is fixedly installed on the side close to the proximity switch of the outer surface of the wire drum.

[0017] Compared with the prior art, the beneficial effects of the utility model lie in:

[0018] The cable multilayer stranding device provided by the utility model realizes efficient, high-precision and high-automation cable multilayer stranding through ingenious structure design and precise manufacturing process, solves many problems existing in the prior art, and has remarkable technical progress and practical application value. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings are used to provide further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model together with embodiments of the utility model, and do not constitute the limitation to the utility model.

[0020] Figure 1 It is the whole structure schematic diagram of the utility model;

[0021] Figure 2 It is the whole structure schematic diagram of the utility model; Figure 1 It is the enlarged view of A in the utility model;

[0022] Figure 3 It is the enlarged view of B in the utility model; Figure 1

[0023] Figure 4 It is the enlarged view of C in the utility model. Figure 1

[0024] In the drawing: 1, main shaft;2, driven pulley;3, transmission belt;4, driving pulley;5, speed reducer motor;6, bearing seat;7, connecting flange;8, disc one;9, disc two;10, wire passing assembly;11, skein;12, wire drum;13, hysteresis brake;14, aramid yarn;15, support one;16, ultrasonic sensor;17, line board one;18, line board two;19, center cable;20, expansion sleeve;21, support two;22, mounting plate;23, fixed pulley;24, slide rail;25, sliding block;26, movable pulley;27, spring;28, current collector ring;29, support three;30, proximity switch;31, metal induction plate;32, wiring slot. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model below;

[0026] Refer to Figures 1-4 ​​The utility model provides a kind of cable multilayer stranding device, including two bearing seats 6, interior hollow main shaft 1 is rotatably installed between two bearing seats 6, and the both ends of main shaft 1 extend to the both sides of two bearing seats 6, including drive assembly, pass line component 10, passive pay-off component;Drive assembly is transmission connection with main shaft 1, and the middle part of the outer surface of main shaft 1 is fixedly installed with connecting flange 7, and main shaft 1 is fixedly installed with disc one 8 and disc two 9 by connecting flange 7, and disc one 8 and disc two 9 are fixedly installed with multiple passive pay-off components at the side away from each other in equal distance circle, and the outer surface of main shaft 1 is fixedly installed with two pass line components 10, and two pass line components 10 are located at the side away from each other of disc one 8 and disc two 9 respectively, and the number of each pass line component 10 is same with the number of passive pay-off component, and each pass line component 10 is fixedly installed on the outer surface of main shaft 1 in equal distance circle;The front end of main shaft 1 is fixedly installed with line distribution plate one 17 and line distribution plate two 18 in sequence by multiple mounting rods, and the diameter of line distribution plate two 18 is greater than the diameter of line distribution plate one 17, and the inside of line distribution plate one 17 and line distribution plate two 18, the inside of disc one 8 and disc two 9 are all provided with multiple stranding line holes in equal distance circle, and the middle part of line distribution plate one 17 and line distribution plate two 18 are all provided with central line hole;The inside of main shaft 1 is provided with central cable 19, and the inside of multiple passive pay-off components is provided with aramid yarn 14, and multiple aramid yarns 14 pass through corresponding pass line component 10 respectively and pass through line distribution plate one 17 and line distribution plate two 18 and are stranded with central cable 19.

[0027] Drive assembly can drive main shaft 1 to rotate, and main shaft 1 can provide power for the whole stranding process after rotating. With the rotation of main shaft 1, aramid yarn 14 in multiple passive pay-off components is paid out one by one and guided to line distribution plate one 17 and line distribution plate two 18 through pass line component 10. After aramid yarn 14 passes through to the appropriate position from line distribution plate one 17 and line distribution plate two 18, multiple aramid yarns 14 and central cable 19 realize multilayer stranding under the joint action of stranding line hole and central line hole provided in line distribution plate one 17 and line distribution plate two 18. In the stranding process, the diameter difference of line distribution plate one 17 and line distribution plate two 19 and the distribution design of stranding line hole ensure the uniformity and tightness of stranding.

[0028] Since drive assembly, pass line component 10 and passive pay-off component are all designed to rotate synchronously with main shaft 1, and the high degree of cooperation between each component can be realized through accurate installation and debugging, the whole stranding process has high synchronism and stability. This not only improves the stranding efficiency, but also guarantees the consistency of stranding quality.

[0029] Drive assembly includes driven pulley 2, transmission belt 3, driving pulley 4, speed reducer motor 5, driven pulley 2 is fixedly installed on the back side of the outer surface of main shaft 1, and the output end of speed reducer motor 5 is fixedly installed with driving pulley 4, and transmission belt 3 is installed between driving pulley 4 and driven pulley 2.

[0030] The main drive pulley 4 is driven to rotate by the deceleration motor 5, and then the driven pulley 2 and the main shaft 1 are synchronously rotated by the transmission belt 3.

[0031] The wire passing assembly 10 comprises a support two 21, one side of the support two 21 is fixedly installed with a mounting plate 22, one side of the mounting plate 22 is rotatably installed with a fixed pulley 23, the front side of the mounting plate 22 is fixedly installed with a sliding rail 24, the inside of the sliding rail 24 is slidably installed with a sliding block 25, one end of the sliding block 25 is rotatably installed with a movable pulley 26, and the sliding block 25 and the mounting plate 22 are fixedly installed with a spring 27.

[0032] The spring 27 can provide a certain tension, when the aramid yarn 14 passes through the wire passing assembly 10, the fixed pulley 23 and the movable pulley 26 jointly act to guide the yarn to advance along the predetermined path, and keep the tension of the yarn stable.

[0033] The passive wire spooling assembly comprises a wire package 11, a wire drum 12 and a hysteresis brake 13, a plurality of wire drums 12 are rotatably installed on the side opposite to the disc two 9 of the disc one 8 respectively, the outer surface of the wire drum 12 is provided with the wire package 11, and the other end of the wire drum 12 is installed with the hysteresis brake 13.

[0034] The aramid yarn 14 can be unwound by the rotation of the wire drum 12. The hysteresis brake 13 is used to control the tension of the aramid yarn 14, to ensure the constancy of the tension, which will not change with the change of the outer diameter of the wire package 11, and the hysteresis brake 13 can be used to control the rotation speed of the wire drum 12, to ensure the uniformity and stability of the yarn unwinding.

[0035] A plurality of supports one 15 are fixedly installed on the side opposite to the disc two 9 of the disc one 8 at equal intervals, the inside of the support one 15 is fixedly installed with an ultrasonic sensor 16, and the probe of the ultrasonic sensor 16 faces the wire package 11.

[0036] The ultrasonic sensor 16 can monitor the remaining amount of the wire package 11 in real time, to avoid the problem of broken wire caused by the exhaustion of the wire package 11.

[0037] A plurality of inner holes are formed on the two sides of the connecting flange 7 at equal intervals, a plurality of expansion sleeves 20 are fixedly installed in the inner holes, and the connecting flange 7 is installed with the disc one 8 and the disc two 9 through bolts.

[0038] The bolts can be tightened to generate a huge tightening force, so that the disc one 8 and the disc two 9 are fixed on the main shaft, the connection strength of the disc one 8 and the disc two 9 with the main shaft 1 can be improved, and the stability of the disc one 8 and the disc two 9 can be improved.

[0039] The side opposite to the disc one 8 and the disc two 9 is fixedly installed with a support three 29, one side of the support three 29 is fixedly installed with a proximity switch 30, the outer surface of the wire drum 12 is fixedly installed with a metal induction plate 31 near the proximity switch 30.

[0040] The proximity switch 30 can detect whether the wire is broken, when the aramid yarn 14 is normally drawn out from the skein 11, the wire drum 12 is in a rotating state, the wire drum 12 will drive the metal induction plate 31 to rotate constantly, the proximity switch 30 can detect the metal induction plate 31 in a certain interval, at this time, the aramid yarn 14 is in a normal wire drawing state;

[0041] When the aramid yarn 14 is broken, the wire drum 12 cannot be rotated, the proximity switch 30 cannot detect the metal induction plate 31 for a long time or always detects the metal induction plate 31, so that the proximity switch 30 is connected with an external controller and an alarm, the broken wire alarm can be realized.

[0042] The outer surface of the rear end of the main shaft 1 is fixedly installed with a slip ring 28, the outer surface of the main shaft 1 is provided with a plurality of wiring grooves 32. The power supply lines of the ultrasonic sensor 16, the magnetic hysteresis brake 13 and the proximity switch 30 can be arranged in the wiring grooves 32 and connected with the slip ring 28, the slip ring 28 is connected with an external power supply, so that the power supply lines can rotate with the main shaft 1, and the power supply lines are prevented from being twisted.

Claims

1. A device for multi-layer stranding of cables, comprising two bearing housings (6), a hollow main shaft (1) being rotatably mounted between the two bearing housings (6), the main shaft (1) extending beyond the two bearing housings (6) on both sides, characterized in that It comprises a driving assembly, a wire passing assembly (10) and a passive wire laying assembly; The driving assembly is in transmission connection with the main shaft (1), the middle part of the outer surface of the main shaft (1) is fixedly installed with a connecting flange (7), the main shaft (1) is fixedly installed with a disc one (8) and a disc two (9) through the connecting flange (7), a plurality of passive wire laying assemblies are fixedly installed on the side, away from each other, of the disc one (8) and the disc two (9), the outer surface of the main shaft (1) is fixedly installed with two groups of wire passing assemblies (10), the two groups of wire passing assemblies (10) are respectively located on the side, away from each other, of the disc one (8) and the disc two (9), the number of each group of wire passing assemblies (10) is the same as that of the passive wire laying assemblies, and each group of wire passing assemblies (10) is fixedly installed on the outer surface of the main shaft (1) at equal intervals. The front end of the main shaft (1) is fixedly installed with a wire distribution plate one (17) and a wire distribution plate two (18) through a plurality of installation rods in sequence, the diameter of the wire distribution plate two (18) is greater than that of the wire distribution plate one (17), a plurality of twisted wire holes are formed in the interiors of the wire distribution plate one (17) and the wire distribution plate two (18), the interiors of the disc one (8) and the disc two (9) at equal intervals, and central wire holes are formed in the middle parts of the wire distribution plate one (17) and the wire distribution plate two (18). A central cable (19) is arranged in the interior of the main shaft (1), a para-aramid yarn (14) is arranged in the interior of each passive wire laying assembly, and a plurality of para-aramid yarns (14) are twisted with the central cable (19) by passing through corresponding wire passing assemblies (10) and the wire distribution plate one (17) and the wire distribution plate two (18) respectively.

2. A device for multi-layer stranding of cables according to claim 1, characterized in that, The driving assembly comprises a driven pulley (2), a transmission belt (3), a driving pulley (4) and a speed reducer motor (5), the driven pulley (2) is fixedly installed on the rear side of the outer surface of the main shaft (1), the output end of the speed reducer motor (5) is fixedly installed with the driving pulley (4), and the transmission belt (3) is arranged between the driving pulley (4) and the driven pulley (2).

3. A device for multi-layer stranding of cables according to claim 1, characterized in that, The wire passing assembly (10) comprises a support two (21), one side of the support two (21) is fixedly installed with a mounting plate (22), the mounting plate (22) is rotatably installed with a fixed pulley (23) on one side, the front side of the mounting plate (22) is fixedly installed with a sliding rail (24), the sliding rail (24) is slidably installed with a sliding block (25) in the interior, one end of the sliding block (25) is rotatably installed with a movable pulley (26), and the sliding block (25) and the mounting plate (22) are fixedly installed with a spring (27) therebetween.

4. A device for multi-layer stranding of cables according to claim 1, characterized in that, The passive wire releasing assembly includes a skein (11), a wire drum (12), a hysteresis brake (13), a plurality of wire drums (12) are respectively rotatably installed on the side of the disc one (8) and the disc two (9) away from each other, the outer surface of the wire drum (12) is provided with the skein (11), the other end of the wire drum (12) is provided with the hysteresis brake (13), a plurality of hysteresis brakes (13) are respectively fixedly installed on the side of the disc one (8) and the disc two (9) away from each other.

5. A device for multi-layer stranding of cables according to claim 4, characterized in that, The side of the disc one (8) and the disc two (9) away from each other is fixedly installed with a plurality of supports one (15) at equal intervals, the inside of the support one (15) is fixedly installed with an ultrasonic sensor (16), the probe of the ultrasonic sensor (16) faces the skein (11).

6. A device for multi-layer stranding of cables according to claim 1, characterized in that, The two sides of the connecting flange (7) are provided with a plurality of inner holes at equal intervals, a plurality of expansion sleeves (20) are fixedly installed in the inner holes, a plurality of bolts are installed in the inner holes, the disc one (8) and the disc two (9) are installed on the connecting flange (7) through the bolts.

7. A device for multi-layer stranding of cables according to claim 1, characterized in that, The outer surface of the rear end of the main shaft (1) is fixedly installed with a collector ring (28), the outer surface of the main shaft (1) is provided with a plurality of wiring grooves (32).

8. A device for multi-layer stranding of cables according to claim 4, characterized in that, The side of the disc one (8) and the disc two (9) away from each other is fixedly installed with a support three (29), the side of the support three (29) is fixedly installed with a proximity switch (30), the outer surface of the wire drum (12) is fixedly installed with a metal induction plate (31) on the side close to the proximity switch (30).

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