Wire stranding device for cable manufacturing

By using clamping rollers and expansion airbags in combination, the problem of insufficient conductor tension in the stranding device is solved, achieving stability and tightness in cable stranding, and improving the mechanical stability and production efficiency of the cable.

CN121054331APending Publication Date: 2025-12-02HEBEI XINGAOXING CABLE TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202511448338.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-10-11
Publication Date
2025-12-02

AI Technical Summary

Technical Problem

In existing stranding devices, insufficient tension in one or more conductors during the stranding process leads to uneven stranding structure, affecting cable quality and production efficiency.

Method used

Clamping rollers are used to compensate for conductor tension, and an inflatable air bladder provides torsional force to improve stranding tightness. Combined with a third fixing frame, the conductor is tensioned to ensure stable stranding quality.

Benefits of technology

It effectively stabilizes conductor tension, improves stranding quality, reduces the probability of voids and indentations, and ensures cable mechanical stability and production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a stranding device for cable manufacturing, and belongs to the technical field of cable manufacturing. Comprising a bearing frame and a first fixing frame which are fixedly connected to a workbench, the bearing frame and the first fixing frame are rotationally connected with a bearing disc and a middle rotating disc respectively, the middle rotating disc is fixedly connected with a rotating ring through a connecting rod, the rotating ring is slidably connected with first sliding rods distributed in a circumferential array mode, and the first sliding rods are in ball joint with a wire gathering shell; the wire gathering shell is fixedly connected with fixing rods distributed in a rectangular array mode, the fixing rods on the same side are jointly connected with sliding frames in a sliding mode, the sliding frames are connected with adjusting blocks in a sliding mode, and the two adjacent sliding frames and the two adjacent adjusting blocks are rotationally connected with clamping rolling wheels. The tension of the wire is compensated through the clamping roller when the tension of the wire fluctuates, and the distance between the clamping roller and the twisting point is smaller than the distance between the clamping roller and the other end of the wire, so that the response speed of the clamping roller to the wire between the clamping roller and the twisting point section is stable, and the stability of the twisting quality of the cable is ensured.
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Description

Technical Field

[0001] This invention relates to the field of cable manufacturing technology, and more particularly to a stranding device for cable manufacturing. Background Technology

[0002] In cable manufacturing, the stranding device, as the core equipment for forming the cable conductor, is responsible for stranding multiple conductors or metal wires together according to specific rules. Its technical background encompasses multiple disciplines such as mechanical design, materials science, and automation control. By precisely controlling the stranding pitch, stranding tightness, and wire tension, it ensures high-efficiency and high-quality cable production. This type of device is widely used in power transmission, communication systems, data transmission, and industrial control, and continues to evolve towards intelligence, high speed, and environmental friendliness.

[0003] In the existing stranding process, when multiple conductors are stranded, malfunctions in the pay-off device, poor wire arrangement on the reel, resistance in the guide wheel path, and improper process parameter settings can lead to insufficient tension in one or more conductors. This insufficient tension in one or more conductors will trigger a series of process and quality problems. When the wire with insufficient tension passes through the stranding die, it cannot be effectively tightened, easily resulting in compression and accumulation, causing local pitch variations in that area and thus disrupting the uniformity of the stranding structure. Simultaneously, the slack filaments cannot provide sufficient radial clamping force to participate in the overall stranding, causing gaps or depressions in the conductor cross-section, reducing the fill factor, and affecting the roundness of the strand. Furthermore, when the cable is subjected to bending stress, the insufficiently constrained slack filaments are prone to "arching" out of the stranding structure, forming a so-called "lantern-shaped" local deformation, severely damaging the mechanical stability and structural integrity of the conductor, ultimately leading to decreased production efficiency and a loss of finished product qualification rate. Summary of the Invention

[0004] To overcome the above-mentioned drawbacks, the present invention provides a stranding device for cable manufacturing.

[0005] The technical solution of the present invention is as follows: a stranding device for cable manufacturing, comprising a support frame and a first fixed frame fixed to a workbench, wherein the support frame and the first fixed frame are respectively rotatably connected to a support plate and a transfer plate, the support plate and the transfer plate are jointly fixed to a first connecting frame, a winding roller distributed in a circumferential array is rotatably connected to the support plate, a support frame is fixed to the workbench, the first fixed frame is located between the support frame and the support frame, the transfer plate is fixed to a rotating ring rotatably connected to the support frame via a connecting rod, the rotating ring is slidably connected to a first sliding rod distributed in a circumferential array, the first sliding rod is ball-jointed to a wire gathering shell, a tension spring is provided between the wire gathering shell and the rotating ring, the wire gathering shell is fixed to a fixed rod distributed in a rectangular array, the fixed rods on the same side are jointly slidably connected to a sliding frame, a spring is provided between the sliding frame and the wire gathering shell, the sliding frame is slidably connected to an adjusting block, and clamping rollers are rotatably connected to two adjacent sliding frames and two adjacent adjusting blocks.

[0006] Preferably, the adjusting block is rotatably connected to an adjusting rod, the adjusting rod is threadedly connected to the adjacent sliding frame, and the wire gathering shell is rotatably connected to a rotating rod, which is driven by the adjusting rod through a gear set.

[0007] Preferably, a limiting sleeve is fixed to the side of the wire-gathering shell away from the central turntable, and the limiting sleeve is a ring-shaped airbag with a controllable size.

[0008] Preferably, the rotating ring is rotatably connected to a collar, the collar is fixedly connected to a circumferentially arrayed limiting block, and the first sliding rod is fixedly connected to a limiting frame, the limiting frame being used to limit the position of the corresponding first sliding rod.

[0009] Preferably, the collar is fixedly connected to a first connecting ring via a mounting rod, the first connecting ring is fixedly connected to a gear ring, the rotating ring is fixedly connected to a second connecting ring via a mounting rod, the second connecting ring is fixedly connected to a second connecting frame arranged in a circumferential array, the second connecting frame is slidably connected to the first connecting ring, the second connecting ring is rotatably connected to a mirror-distributed rotating shaft, a gear is fixedly connected to the rotating shaft, and the gear on the rotating shaft meshes with the gear ring.

[0010] Preferably, the rotating shaft is slidably connected to a limiting sleeve, the rotating shaft is fixedly connected to a protrusion, the limiting sleeve is provided with a limiting groove, and the protrusion slides within the limiting groove.

[0011] Preferably, the second connecting ring is fixedly connected to a mirror-distributed second fixed frame via a mounting bracket. The second fixed frame is fixedly connected to a fixed shell and a transfer shell. A sliding piston is slidably connected inside the fixed shell. A limiting sleeve is fixedly connected to a limiting piston. The limiting piston is slidably connected to the transfer shell. The fixed shell and the adjacent transfer shell are connected by a pipe. A separator is provided on the pipe between the fixed shell and the adjacent transfer shell.

[0012] Preferably, a third fixed frame arranged in a circumferential array is slidably connected to the bearing plate, and a second sliding rod is slidably connected to the third fixed frame. The second sliding rod is fixed to the bearing plate, and a friction plate is provided on the third fixed frame. The third fixed frame is used to reduce the rotational speed of the winding roller.

[0013] Preferably, both the bearing plate and the first connecting frame are fixedly connected to guide frames arranged in a circumferential array, and the guide frames are provided with guide wheels arranged in a mirror pattern.

[0014] Preferably, the system also includes a fixing plate fixedly attached to the worktable, a support frame located between the first fixing frame and the fixing plate, a rotating shell rotatably connected to the fixing plate, an inflatable airbag fixedly attached inside the rotating shell, a power ring fixedly attached to the fixing plate, a friction plate splined to the rotating shell, the power ring driving the friction plate to rotate, a compression plate splined to the rotating shell, and a spring disposed between the friction plate and the compression plate.

[0015] Compared with the prior art, the present invention has the following advantages: The present invention compensates for the tension of the conductor when the tension fluctuates by using a clamping roller, and the distance between the clamping roller and the stranding point is less than the distance between the clamping roller and the other end of the conductor, thereby stabilizing the response speed of the clamping roller to the conductor between it and the stranding point segment, ensuring the stability of the cable stranding quality; the third fixing frame tensions the conductor when the tension fluctuates, which, together with the temporary compensation of the conductor tension by the clamping roller, ensures the stability of subsequent cable stranding; the rotation of the inflatable airbag provides a torsional force to the outside of the cable in the same direction as the stranding (similar to tightening), improving the tightness of the cable after stranding, reducing the probability of gaps or dents in the cable, and ensuring the stability of the cable stranding quality. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a three-dimensional structural diagram of the workbench and support frame of the present invention; Figure 3 This is a three-dimensional structural diagram of the rotating ring and the wire-gathering shell of the present invention; Figure 4This is a three-dimensional structural diagram of the limiting block and limiting frame of the present invention; Figure 5 This is a three-dimensional structural diagram of the adjusting block and clamping roller of the present invention; Figure 6 This is a three-dimensional structural cross-sectional view of the first connecting ring and the toothed ring of the present invention; Figure 7 This is a three-dimensional structural diagram of the rotating shaft and the limiting sleeve of the present invention; Figure 8 This is an exploded view of the limiting sleeve and limiting groove of the present invention; Figure 9 This is a three-dimensional structural diagram of the third fixing frame and the second sliding rod of the present invention; Figure 10 This is a three-dimensional structural diagram of the guide frame and guide wheel of the present invention; Figure 11 This is a three-dimensional structural diagram of the rotating shell and the inflatable airbag of the present invention.

[0017] The diagram is labeled as follows: 1-Workbench, 2-Supporting frame, 3-First fixed frame, 4-Supporting plate, 41-First connecting frame, 5-Transfer plate, 6-Winding roller, 7-Supporting frame, 8-Rotating ring, 10-First sliding rod, 11-Wire gathering shell, 12-Fixing rod, 13-Sliding frame, 14-Adjusting block, 15-Clamping roller, 16-Adjusting rod, 17-Rotating rod, 18-Restricting sleeve, 19-Loop ring, 20-Limiting block, 21-Limiting frame, 22-First connecting ring, 23-Gear ring, 24- 25-Second connecting ring, 26-Rotating shaft, 261-Limiting sleeve, 262-Protrusion, 263-Limiting groove, 27-Second fixing frame, 28-Fixed shell, 281-Transmission shell, 282-Sliding piston, 283-Limiting piston, 284-Divider, 29-Third fixing frame, 30-Second sliding rod, 31-Guide frame, 32-Guide wheel, 33-Fixed plate, 34-Rotating shell, 35-Inflatable airbag, 36-Power ring, 37-Friction plate, 38-Extrusion plate. Detailed Implementation

[0018] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments, but this is not intended to limit the present invention. Example

[0019] This embodiment discloses a stranding device for cable manufacturing, which is used to intervene and correct the cable stranding process in a timely manner when the tension of a single strand fails.

[0020] The specific structure and connection relationships of the stranded wire device are as follows: like Figures 1-5As shown, the device includes a workbench 1, with a support frame 2 and a first fixed frame 3 fixedly connected to the upper side of the workbench 1. The support frame 2 is rotatably connected to a support plate 4, which is externally powered to rotate, thereby enabling cable twisting. The first fixed frame 3 is rotatably connected to a transfer plate 5, which has circumferentially arrayed through holes for wires to pass through. The transfer plate 5 ensures stable cable transmission. A first connecting frame 41 is fixedly connected to both the support plate 4 and the transfer plate 5. A circumferentially arrayed... The winding roller 6 of the fabric has a stranded wire wound on it. A support frame 7 is fixedly connected to the upper side of the workbench 1. A first fixed frame 3 is located between the support frame 2 and the support frame 7. A rotating ring 8 is rotatably connected to the upper side of the support frame 7. The central turntable 5 is fixedly connected to the rotating ring 8 through a connecting rod. The rotating ring 8 is slidably connected to a first sliding rod 10 distributed in a circumferential array. The first sliding rod 10 consists of a cylindrical rod and a ball. The ball part of the first sliding rod 10 is ball-connected to a wire-gathering shell 11. A tension spring is provided between the wire-gathering shell 11 and the rotating ring 8 to drive the wire-gathering shell 11. 1. Reset: The wire gathering shell 11 is fixedly connected to four fixed rods 12 arranged in a rectangular array. Two fixed rods 12 on the same side are slidably connected to a sliding frame 13. A spring is provided between the sliding frame 13 and the wire gathering shell 11. An adjusting block 14 is slidably connected inside the sliding frame 13. Two adjacent sliding frames 13 and two adjacent adjusting blocks 14 are rotatably connected to clamping rollers 15. The distance between the clamping roller 15 and the wire twisting point is less than the distance between the clamping roller 15 and the winding roller 6. A monitor for monitoring the position of the clamping roller 15 is provided inside the wire gathering shell 11. The distance between the two clamping rollers 15 is adjusted to accommodate the thickness of the wire. An adjusting rod 16 is rotatably connected to the upper side of the adjusting block 14. The adjusting rod 16 is threadedly connected to the adjacent sliding frame 13. The adjusting rod 16 passes through the wire gathering shell 11. A rotating rod 17 is rotatably connected to the side of the wire gathering shell 11 away from the axis of the central turntable 5. The rotating rod 17 is driven by the adjusting rod 16 through a gear set. A limiting sleeve 18 is fixedly connected to the right side of the wire gathering shell 11. The limiting sleeve 18 is a controllable size annular airbag. Air can be inflated and deflated into it to control the size of the annular airbag to accommodate the thickness of the cable.

[0021] like Figures 2-4 and Figure 6As shown, a collar 19 is rotatably connected to the outer circumference of the rotating ring 8. The collar 19 consists of two rings and several connecting posts connecting the two. A circumferentially arrayed limiting block 20 is fixedly connected to the outer circumference of the collar 19. The limiting block 20 has an inclined surface and mirror-distributed inclined grooves on its side away from the center of the collar 19. A limiting frame 21 is fixedly connected to the upper side of the first sliding rod 10. The limiting frame 21 slides within the mirror-distributed inclined grooves on the limiting block 20. The limiting frame 21 is used to limit the position of the corresponding first sliding rod 10. The right side of the collar 19 is open. A first connecting ring 22 is fixedly connected to the mounting rod. A gear ring 23 is fixedly connected to the inner circumference of the first connecting ring 22. A second connecting ring 24 is fixedly connected to the right side of the rotating ring 8 via the mounting rod. A second connecting frame 25 arranged in a circumferential array is fixedly connected to the outer circumference of the second connecting ring 24. A circular groove is provided on the right side of the first connecting ring 22. The second connecting frame 25 slides in the circular groove. The second connecting ring 24 is rotatably connected to two rotating shafts 26 arranged in a mirror image. A gear that meshes with the gear ring 23 is fixedly connected to the left side of the rotating shaft 26.

[0022] like Figures 6-10 As shown, a limiting sleeve 261 is slidably connected to the right side of the rotating shaft 26. The limiting sleeve 261 is located to the right of the second connecting ring 24. A protrusion 262 is fixedly connected to the rotating shaft 26. A limiting groove 263 is provided inside the limiting sleeve 261, and the protrusion 262 slides within the limiting groove 263. Two second fixed frames 27, arranged in a vertically mirror image, are fixedly connected to the right side of the second connecting ring 24 via a mounting bracket. A fixed shell 28 and a transmission shell 281 are fixedly connected to the second fixed frame 27. Both the fixed shell 28 and the transmission shell 281 are filled with hydraulic oil. A sliding piston 282 is slidably connected inside the fixed shell 28, and the two are dynamically sealed. A limiting piston 283 is fixedly connected to the limiting sleeve 261 and is slidably connected to the transmission shell 281. The transmission shell 281 and the limiting piston 283 are dynamically sealed. The fixed shell 28 and the adjacent transmission shell 281 are connected through a pipe. The initial position of the sliding piston 282 is located to the left of the connection position between the fixed shell 28 and the adjacent transmission shell 281. A separator 284 is provided on the pipe between the fixed shell 28 and the adjacent transfer shell 281. The separator 284 is an existing device, which can control the connection state of the pipe by rotation. The bearing plate 4 is slidably connected to a third fixed frame 29 distributed in a circumferential array. A second sliding rod 30 is slidably connected to the third fixed frame 29. The second sliding rod 30 is fixed to the bearing plate 4. A power element is provided on the second sliding rod 30 to control the movement of the third fixed frame 29. A friction plate is provided on the right side of the third fixed frame 29. The third fixed frame 29 is used to reduce the rotational speed of the winding roller 6. The rotational resistance of the winding roller 6 can be controlled by controlling the squeezing force between the friction plate on the third fixed frame 29 and the winding roller 6. A guide frame 31 distributed in a circumferential array is fixedly connected to both the bearing plate 4 and the first connecting frame 41. A guide wheel 32 is provided on the guide frame 31, which is mirror-distributed. All guide wheels 32 can adjust their position on the guide frame 31.

[0023] The working process of the stranding device in this embodiment is as follows: Preparation process: When this device is needed to twist cable conductors (hereinafter referred to as conductors), the user first winds multiple conductors to be twisted onto the winding roller 6 and installs them one by one onto the carrier plate 4. Using external power, the user moves the middle cable through the center of the carrier plate 4 to the right. Taking a single winding roller 6 as an example, the user pulls the conductor head on the winding roller 6 between the corresponding two pairs of guide wheels 32, adjusting the distance between adjacent guide wheels 32 according to the conductor thickness. After being guided, the conductor head passes through adjacent through holes on the central turntable 5 and continues to move to the right. The user continues to pull the conductor head to the right. The wire head passes right between two adjacent clamping rollers 15, and the clamping roller 15 near the axis of the bearing plate 4 presses the sliding frame 13 towards the axis of the bearing plate 4, while compressing the spring between the sliding frame 13 and the wire gathering shell 11. Then the wire passes right through the limiting sleeve 18. The user rotates the rotating rod 17 according to the thickness of the wire. The rotating rod 17 drives the adjusting rod 16 to rotate through the gear set. The rotation of the adjusting rod 16 drives the adjusting block 14 to move through the thread. The two adjusting blocks 14 together drive the upper clamping roller 15 to move until the two clamping rollers 15 together clamp the wire.

[0024] After the two clamping rollers 15 have clamped the wires together, the user pulls all the wires toward the twisting point of the cable. At the same time, the user controls external power to drive the carrier plate 4 to rotate slowly. The carrier plate 4 drives the intermediate turntable 5 to rotate slowly through the first connecting frame 41. The intermediate turntable 5 drives the rotating ring 8 to rotate slowly through the connecting rod. The carrier plate 4 drives the cable on it to rotate slowly in sync until all the wires initially contact and twist to the surface of the middle cable. During this process, taking the upper cable gathering shell 11 as an example, the wires are dragged by the clamping rollers 15 to move the cable gathering shell 11 toward the middle cable and are deflected according to the angle of the cable. At the same time, the tension spring between the cable gathering shell 11 and the rotating ring 8 is stretched. The cable gathering shell 11 drives the first sliding rod 10 to move downward. The first sliding rod 10 squeezes and drives the limiting block 20 to rotate. 0 drives the collar 19 to rotate, the collar 19 drives the first connecting ring 22 to rotate via the mounting rod, the first connecting ring 22 drives the gear ring 23 to rotate, the gear ring 23 drives the rotating shaft 26 to rotate via the gear on the rotating shaft 26, the rotating shaft 26 drives the protrusion 262 on it to rotate, the protrusion 262 drives the limiting sleeve 261 to move to the right via the upper limiting groove 263, the limiting sleeve 261 drives the limiting piston 283 to move to the right, and squeezes the hydraulic oil in the transmission shell 281 into the fixed shell 28 through the pipeline, the hydraulic oil squeezes and drives the sliding piston 282 to move to the left until the wire stops moving (i.e. the wire tilt angle is stable), the user rotates the separator 284 to disconnect the communication state between the fixed shell 28 and the transmission shell 281, at this time the position of the wire gathering shell 11 is fixed and the preparation work is completed.

[0025] Working process: The user controls the rotation of the carrier plate 4 through external power. The carrier plate 4 drives the winding roller 6 on it to rotate. The carrier plate 4 drives the central turntable 5 to rotate through the first connecting frame 41. The central turntable 5 drives the rotating ring 8 to rotate through the connecting rod. At the same time, the external power drives the middle cable to move to the right. At this time, the cable officially begins to twist. Until all the wires on the winding roller 6 are twisted, the user cuts the cable. Then, the above steps are repeated to replenish the wires until all the wires are twisted. The use of this device is then complete.

[0026] During the cable stranding process described above, if one of the conductors experiences insufficient tension, the clamping roller 15 on the side of the conductor closest to the cable center moves away from the cable center under the influence of the spring between the sliding frame 13 and the wire gathering shell 11. During this process, the limiting sleeve 18 ensures that the tilt angle of the conductor on its right side remains unchanged, thereby stretching the conductor to compensate for the partial tension loss. Since the distance between the wire gathering shell 11 and the conductor stranding point is less than the distance between the wire gathering shell 11 and the winding roller 6, it is easier to tighten the shorter side when the clamping roller 15 moves (even if the part of the conductor between the clamping roller 15 and the stranding point remains taut). By using the clamping roller 15 to compensate for the conductor tension fluctuations, and since the distance between the clamping roller 15 and the stranding point is less than the distance between the clamping roller 15 and the other end of the conductor, the response speed of the clamping roller 15 to the conductor between it and the stranding point is stable, ensuring the stability of the cable stranding quality.

[0027] When the clamping roller 15 moves, the monitor inside the wire gathering housing 11 detects the positional movement of the clamping roller 15. Subsequently, the power element on the corresponding second sliding rod 30 drives the third fixing frame 29 to move to the right. The friction block on the third fixing frame 29 contacts and squeezes the corresponding winding roller 6, thereby reducing the rotational speed of the winding roller 6 (i.e., reducing the speed at which the winding roller 6 releases the wire), thus re-tensioning the wire. After tensioning is completed, the wire drives the clamping roller 15 to reset, and the power element on the second sliding rod 30 drives the third fixing frame 29 to reset. Then, the cable twisting continues. After the cable twisting is completed, the user rotates the separator between the fixing housing 28 and the transmission housing 281 in the opposite direction, and the fixing housing 28 and the transmission housing 281 are reconnected. The tension spring between the wire gathering housing 11 and the rotating ring 8 drives the wire gathering housing 11 to reset. The device is now in use. The third fixing frame 29 tensions the wire when the wire tension fluctuates, and the clamping roller 15 provides temporary compensation for the wire tension, ensuring the stability of subsequent cable twisting. Example

[0028] This embodiment discloses a stranding device for cable manufacturing, which is a further improvement on embodiment 1.

[0029] like Figure 1 and Figure 11As shown, it also includes a fixing plate 33, which is fixed to the upper side of the workbench 1. The support frame 7 is located between the first fixing frame 3 and the fixing plate 33. The fixing plate 33 is located to the right of the cable twisting point. The fixing plate 33 is rotatably connected to a rotating shell 34. An expansion airbag 35 is fixed to the inner side of the rotating shell 34. The size and compression force of the expansion airbag 35 can be adjusted according to the cable thickness. A power ring 36 is fixed to the fixing plate 33. A friction ring is provided on the left side of the power ring 36. A friction plate 37 is splined connected to the rotating shell 34. The power ring 36 is used to drive the friction plate 37 to rotate through friction. The maximum static friction between the power ring 36 and the friction plate 37 can be adjusted according to the specific conditions of the cable to ensure that the cable is provided with appropriate torque (neither too large nor too small. If it is too large, the static friction between the two will turn into dynamic friction). This ensures that the quality of the twisted cable is stable. The rotating housing 34 is splined with a pressing plate 38. A spring is provided between the friction plate 37 and the pressing plate 38 to control the magnitude of the pressing force between the friction plate 37 and the power ring 36.

[0030] The working process of the stranding device in this embodiment is as follows: Preparation process: Before twisting the cables as described above, if... Figure 11 As shown, the user inflates the airbag 35. After inflation, the airbag 35 expands and wraps around the twisted cable, connecting the external power to the compression plate 38, thus completing the preparation.

[0031] Working process: During the cable twisting process described above, the cable moves to the right. During this movement, the inflatable airbag 35 compresses the twisted cable. The user controls external power to move the compression plate 38 to the right. The compression plate 38 moves to the right and compresses the spring between the power ring 36 and the friction plate 37, thereby increasing the compressive force between the friction plate 37 and the power ring 36. Subsequently, the user controls the power ring 36 to rotate. The friction ring on the power ring 36 drives the friction plate 37 to rotate through friction. The friction plate 37 drives the inflatable airbag 35 to rotate through the rotating shell 34. The rotation direction of the inflatable airbag 35 is the same as the cable twisting direction, thereby tightening the cable and increasing the tightness of the cable twisting. Through the rotation of the inflatable airbag 35, a torsional force (similar to tightening) is provided to the outside of the cable in the same direction as the twisting direction to increase the tightness of the twisted cable, reduce the probability of gaps or dents in the cable, and ensure the stability of the cable twisting quality.

[0032] Those skilled in the art should understand that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by equivalent substitution or equivalent transformation fall within the protection scope of the present invention.

Claims

1. A stranding device for cable manufacturing, comprising a support frame (2) and a first fixed frame (3) fixed to a workbench (1), wherein the support frame (2) and the first fixed frame (3) are respectively rotatably connected to a support plate (4) and a transfer plate (5), the support plate (4) and the transfer plate (5) are jointly fixedly connected to a first connecting frame (41), and a winding roller (6) arranged in a circumferential array is rotatably connected to the support plate (4), characterized in that: The workbench (1) is fixedly connected to a support frame (7). The first fixed frame (3) is located between the support frame (2) and the support frame (7). The turntable (5) is fixedly connected to a rotating ring (8) that is rotatably connected to the support frame (7) via a connecting rod. The rotating ring (8) is slidably connected to a first sliding rod (10) distributed in a circumferential array. The first sliding rod (10) is ball-jointed to a wire gathering shell (11). A tension spring is provided between the wire gathering shell (11) and the rotating ring (8). The wire gathering shell (11) is fixedly connected to a fixed rod (12) distributed in a rectangular array. The fixed rods (12) on the same side are slidably connected to a sliding frame (13). A spring is provided between the sliding frame (13) and the wire gathering shell (11). The sliding frame (13) is slidably connected to an adjusting block (14). Each adjacent sliding frame (13) and each adjacent adjusting block (14) is rotatably connected to a clamping roller (15).

2. The stranding device for cable manufacturing according to claim 1, characterized in that: The adjusting block (14) is rotatably connected to the adjusting rod (16), the adjusting rod (16) is threadedly connected to the adjacent sliding frame (13), and the wire gathering shell (11) is rotatably connected to the rotating rod (17), the rotating rod (17) is driven by the adjusting rod (16) through a gear set.

3. The stranding device for cable manufacturing according to claim 2, characterized in that: The wire-gathering shell (11) is fixedly connected to a limiting sleeve (18) on the side away from the central turntable (5), and the limiting sleeve (18) is a ring-shaped airbag with controllable size.

4. A stranding device for cable manufacturing according to claim 3, characterized in that: The rotating ring (8) is rotatably connected to a collar (19), and the collar (19) is fixedly connected to a limiting block (20) distributed in a circumferential array. The first sliding rod (10) is fixedly connected to a limiting frame (21), and the limiting frame (21) is used to limit the position of the corresponding first sliding rod (10).

5. A stranding device for cable manufacturing according to claim 4, characterized in that: The collar (19) is fixedly connected to a first connecting ring (22) by a mounting rod. The first connecting ring (22) is fixedly connected to a gear ring (23). The rotating ring (8) is fixedly connected to a second connecting ring (24) by a mounting rod. The second connecting ring (24) is fixedly connected to a second connecting frame (25) arranged in a circumferential array. The second connecting frame (25) is slidably connected to the first connecting ring (22). The second connecting ring (24) is rotatably connected to a rotating shaft (26) arranged in a mirror image. A gear is fixedly connected to the rotating shaft (26). The gear on the rotating shaft (26) meshes with the gear ring (23).

6. A stranding device for cable manufacturing according to claim 5, characterized in that: The rotating shaft (26) is slidably connected to the limiting sleeve (261), the rotating shaft (26) is fixedly connected to the protrusion (262), the limiting sleeve (261) is provided with a limiting groove (263), and the protrusion (262) slides in the limiting groove (263).

7. A stranding device for cable manufacturing according to claim 6, characterized in that: The second connecting ring (24) is fixedly connected to a mirror-distributed second fixed frame (27) via a mounting bracket. The second fixed frame (27) is fixedly connected to a fixed shell (28) and a transfer shell (281). A sliding piston (282) is slidably connected inside the fixed shell (28). A limiting sleeve (261) is fixedly connected to a limiting piston (283). The limiting piston (283) is slidably connected to the transfer shell (281). The fixed shell (28) is connected to the adjacent transfer shell (281) via a pipe. A separator (284) is provided on the pipe between the fixed shell (28) and the adjacent transfer shell (281).

8. A stranding device for cable manufacturing according to claim 7, characterized in that: A third fixed frame (29) arranged in a circumferential array is slidably connected to the bearing plate (4). A second sliding rod (30) is slidably connected to the third fixed frame (29). The second sliding rod (30) is fixed to the bearing plate (4). A friction plate is provided on the third fixed frame (29). The third fixed frame (29) is used to reduce the rotational speed of the winding roller (6).

9. A stranding device for cable manufacturing according to claim 8, characterized in that: Both the bearing plate (4) and the first connecting frame (41) are fixedly connected to guide frames (31) arranged in a circumferential array, and guide wheels (32) are arranged in a mirror distribution on the guide frames (31).

10. A stranding device for cable manufacturing according to claim 9, characterized in that: It also includes a fixing plate (33), which is fixed to the workbench (1). The support frame (7) is located between the first fixing frame (3) and the fixing plate (33). The fixing plate (33) is rotatably connected to a rotating shell (34). An inflatable airbag (35) is fixed inside the rotating shell (34). A power ring (36) is fixed on the fixing plate (33). A friction plate (37) is splined to the rotating shell (34). The power ring (36) is used to drive the friction plate (37) to rotate. A compression plate (38) is splined to the rotating shell (34). A spring is provided between the friction plate (37) and the compression plate (38).