A cable stranding device
By introducing a third stranding spool, pressure sensor, and drive unit into the cable stranding device, the conductor tension is dynamically adjusted, solving the cable quality problem caused by uneven conductor tension and achieving a high-quality stranding effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 广东中联电缆集团有限公司
- Filing Date
- 2025-08-04
- Publication Date
- 2026-07-21
Smart Images
Figure CN224536777U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cable production equipment technology, and in particular to a cable stranding device. Background Technology
[0002] Cable stranding machines are used for stranding various conductors. Multiple conductors pass through the guide holes of the winding reel in sequence and then converge in the stranding drum. As the winding reel rotates, the multiple conductors are stranded to form a complete cable.
[0003] However, when multiple conductors are twisted together through the guide hole, the different tensile tensions between the conductors result in poor overall cable quality after twisting. Utility Model Content
[0004] The purpose of this utility model is to provide a cable stranding device to solve one or more technical problems existing in the prior art, and at least provide a beneficial option or create conditions.
[0005] The technical solution adopted to solve the above-mentioned technical problems is as follows: A cable stranding device, comprising: a base; a first stranding reel rotatably mounted on the base, the first stranding reel having a first wire hole; a second stranding reel rotatably mounted on the base, the second stranding reel having a second wire hole; a third stranding reel rotatably mounted on the base and located between the first stranding reel and the second stranding reel, the third stranding reel having a third wire hole, the radius of the third wire hole from the rotation center of the third stranding reel being greater than the radius of the first wire hole from the rotation center of the first stranding reel and the radius of the second wire hole from the rotation center of the second stranding reel, a pressure sensor being installed on the side wall of the third wire hole near the center of the third stranding reel; pressure blocks slidably mounted on the first stranding reel, the number of pressure blocks being the same as the number of the first wire holes and corresponding one-to-one; and a driving member for driving the pressure blocks to slide.
[0006] This technical solution has at least the following beneficial effects: When the conductor passes through the third wire hole, due to the large radius of the third wire hole in the third stranded coil, the conductor will press against the pressure sensor located on the side wall of the third wire hole and close to the center of the third stranded coil. This allows the pressure sensor to detect and calculate the tension of the conductor. Then, through the corresponding driving component, the corresponding pressure block is driven to press against the conductor with the smaller tension, controlling the tension difference of each conductor to be within a smaller range, thereby balancing the tension of each conductor and improving the quality of the cable after stranding.
[0007] As a further improvement to the above technical solution, the driving component includes a slide cylinder slidably disposed on the first stranded wire reel and a screw rotatably disposed on the first stranded wire reel, the screw being threadedly connected to the slide cylinder.
[0008] As a further improvement to the above technical solution, the driving component also includes a first motor, the output end of which is connected to the screw drive.
[0009] As a further improvement to the above technical solution, the first motor is electrically connected to the corresponding pressure sensor.
[0010] As a further improvement to the above technical solution, the pressure block includes a frame slidably disposed on the first stranded wire reel, and the frame is rotatably mounted with a pressure roller having a recessed annular groove on its outer periphery, the rotation center line of the pressure roller being perpendicular to the rotation center line of the first stranded wire reel.
[0011] As a further improvement to the above technical solution, a transmission shaft is installed in the middle of the first stranded coil, which is connected to the middle of the second stranded coil and the third stranded coil. A first gear is installed in the second stranded coil, and a second motor is installed in the base. A second gear that meshes with the first gear is installed at the output end of the second motor.
[0012] As a further improvement to the above technical solution, the base is rotatably mounted with a limiting ring frame, and the limiting ring frame is surrounded by multiple rollers, forming a channel between the multiple rollers that is just enough for the twisted cable to pass through.
[0013] As a further improvement to the above technical solution, the limiting ring frame is provided with at least two sets of rollers arranged side by side along the pulling direction of the cable, and each set of rollers includes multiple rollers arranged in a ring.
[0014] As a further improvement to the above technical solution, the adjacent sets of rollers are staggered.
[0015] As a further improvement to the above technical solution, the base is equipped with a third motor, the limiting ring is equipped with a third gear, and the output end of the third motor is equipped with a fourth gear that meshes with the third gear. Attached Figure Description
[0016] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:
[0017] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;
[0018] Figure 2 for Figure 1 Enlarged structural diagram at point A in the middle;
[0019] Figure 3 This is a cross-sectional view of the first and second stranded wire reels in an embodiment of the present invention.
[0020] Figure 4 This is a schematic diagram of the installation structure of multiple rollers in an embodiment of this utility model.
[0021] 100, First stranded wire reel; 110, First wire hole; 120, Base; 200, Second stranded wire reel; 210, Second wire hole; 300, Third stranded wire reel; 310, Third wire hole; 320, Stranded wire drum; 400, Pressure sensor; 500, Slide cylinder; 510, Screw; 520, First motor; 600, Frame; 610, Pressure roller; 620, Recessed annular groove; 700, Drive shaft; 710, Second motor; 720, First gear; 730, Second gear; 800, Limiting ring frame; 810, Roller; 820, Channel; 900, Third motor; 910, Third gear; 920, Fourth gear. Detailed Implementation
[0022] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.
[0023] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0024] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.
[0025] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.
[0026] Reference Figure 1-4The cable stranding device includes a base 120, a first stranding reel 100, a second stranding reel 200, a third stranding reel 300, and a stranding drum 320. The first stranding reel 100, the third stranding reel 300, the second stranding reel 200, and the stranding drum 320 are sequentially and rotatably mounted on the top of the base 120. The first stranding reel 100 has multiple first wire holes 110 around its rotation center ring. The second stranding reel 200 has multiple second wire holes 210 around its rotation center ring. The third stranding reel 300 has multiple third wire holes 310 around its rotation center ring. The number of first wire holes 110, second wire holes 210, and third wire holes 310 is the same; in this embodiment, the number of each type of wire hole is 6.
[0027] The six wires are sequentially threaded through the corresponding first wire hole 110, third wire hole 310 and second wire hole 210, and then threaded together in the stranded wire drum 320. During the joint rotation of the first stranded wire drum 100, the third stranded wire drum 300 and the second stranded wire drum 200, the stranding process is realized in the stranded wire drum 320.
[0028] The distance between the center of the first wire hole 110 and the rotation center line of the first stranded coil 100 is the first radius value. The distance between the center of the second wire hole 210 and the rotation center line of the second stranded coil 200 is the second radius value. The distance between the center of the third wire hole 310 and the rotation center line of the third stranded coil 300 is the third radius value. The third radius value is greater than the second radius value, and also greater than the first radius value, so that when the wire passes through the third wire hole 310, it will press against the side wall of the third wire hole 310 near the rotation center line. A pressure sensor 400 is installed at the side wall of each third wire hole 310 near the rotation center line. Under the action of the component force of the wire tension, the wire presses against the detection end of the pressure sensor 400, so that the pressure sensor 400 can detect the component force of the wire tension and calculate the wire tension.
[0029] The first stranded wire reel 100 is circumferentially provided with multiple pressure blocks, the number of which is the same as the number of the first wire holes 110, and the pressure blocks are distributed in a one-to-one correspondence with the first wire holes 110. The pressure blocks can slide relative to the first stranded wire reel 100 along the rotation radius direction. The first stranded wire reel 100 is circumferentially provided with multiple driving components, the number of which is the same as the number of pressure blocks, and the driving components are distributed in a one-to-one correspondence with the pressure blocks.
[0030] The driving components include a first motor 520, a screw 510, and a slide cylinder 500. The first motor 520 is mounted on the outer periphery of the first stranded wire reel 100. The output end of the first motor 520 is connected to the screw 510, and the rotation center line of the output end of the first motor 520 coincides with the axis of the screw 510. The screw 510 is threadedly connected to the slide cylinder 500. The outer wall of the slide cylinder 500 is square, and multiple square holes are provided around the outer periphery of the first stranded wire reel 100, allowing multiple slide cylinders 500 to slide one-to-one. The sliding direction of the slide cylinder 500 relative to the first stranded wire reel 100 is the same as the axial direction of the screw 510. The first motor 520 can drive the screw 510 to rotate, thereby causing the slide cylinder 500 to slide relative to the first stranded wire reel 100.
[0031] The pressure block includes a frame 600 and a pressure roller 610. The frame 600 is generally U-shaped. The middle part of the frame 600 is fixedly connected to the end of the slide cylinder 500 away from the screw 510, and the frame 600 and the slide cylinder 500 can be integrally formed. The pressure roller 610 is provided with a rotating shaft, and the two ends of the rotating shaft are installed at the two ends of the frame 600, so that the pressure roller 610 is rotatably mounted on the frame 600. The middle of the outer periphery of the pressure roller 610 is provided with a recessed annular groove 620, so that the two sides of the cross-section of the pressure roller 610 are recessed inward to fit the conductor with a circular cross-section. Therefore, when the first motor 520 drives the slide cylinder 500 to slide, it can drive the frame 600 to slide, thereby driving the pressure roller 610 to contact the corresponding conductor and adjust the tension of the conductor. During the conductor conveying process, the pressure roller 610 can rotate around the rotating shaft, thereby reducing the friction between the pressure roller 610 and the conductor. The operator can determine which conductor has insufficient tension by acquiring data from each pressure sensor 400. Then, by driving the first motor 520 corresponding to that conductor, the pressure roller 610 is driven to tighten the conductor, thereby increasing the tension of that conductor, reducing the difference in tension between the conductors, and improving the overall quality of the cable after multiple conductors are twisted together.
[0032] Furthermore, all the first motors 520 are electrically connected to all the pressure sensors 400. It can be understood that all the first motors 520 and all the pressure sensors 400 are connected to a single controller. This controller can acquire data from the pressure sensors 400 and calculate and feed back control signals to the corresponding first motors 520, causing the first motors 520 to drive the pressure rollers 610 to press against or release the wires, thus ensuring that the values of each pressure sensor 400 are identical and within a suitable range. During the wire stranding process, a dynamic adjustment process can be continuously performed, or adjustments can be made periodically, ensuring the overall quality of the cable while reducing the inconvenience of manual adjustment.
[0033] In other embodiments, a cylinder, hydraulic cylinder, or electric telescopic cylinder can be used to directly drive the pressure block to contact the wire.
[0034] A drive shaft 700 is fixedly mounted in the middle of the first stranded coil 100. The drive shaft 700 also passes through the middle of the third stranded coil 300 and the middle of the second stranded coil 200, and the drive shaft 700 is fixed relative to the third stranded coil 300 and the second stranded coil 200. That is, when the first stranded coil 100 rotates, the first stranded coil 100, the second stranded coil 200 and the third stranded coil 300 can rotate synchronously.
[0035] A second motor 710 is mounted on the top of the base 120. A second gear 730 is mounted on the output end of the second motor 710. A first gear 720 is mounted on the second stranded wire reel 200. The first gear 720 is a gear ring structure fixedly sleeved on the outer periphery of the second stranded wire reel 200. The first gear 720 and the second gear 730 are meshed together. By driving the second motor 710, the second gear 730 can be driven to rotate, thereby driving the first gear 720 and the second stranded wire reel 200 to rotate synchronously. At this time, the first stranded wire reel 100 and the third stranded wire reel 300 also rotate synchronously, thereby performing a stranding action on the wires.
[0036] Furthermore, a limiting ring frame 800 is rotatably mounted on the base 120, and the limiting ring frame 800 is located on the side of the stranded drum 320 away from the second stranded reel 200. The limiting ring frame 800 includes a first ring, a second ring, and a third ring connected side by side. The first ring, the second ring, and the third ring are arranged side by side in sequence. Four connecting posts are connected between the first ring and the second ring, and between the second ring and the third ring, respectively. A rotating shaft passes through between two adjacent connecting posts, and the axis of the rotating shaft is perpendicular to the rotation center line of the first ring. A roller 810 is sleeved on the rotating shaft, so that four rollers 810 are arranged in a ring between the first ring and the second ring, and four more rollers 810 are also arranged in a ring between the second ring and the third ring, with the four rollers 810 located on both sides of the second ring being staggered. The four rollers 810 located on the same side form a square channel 820 in the middle, which is just enough for the entire stranded cable to pass through. That is, the outer periphery of the four rollers 810 is evenly in contact with the outer periphery of the entire cable, thereby restricting or shaping the entire cable.
[0037] In other embodiments, the number of rollers 810 on the same side can be set to three, five, or six, etc. The limiting ring frame 800 may also be provided with multiple rings such as a fourth ring and a fifth ring, and a corresponding number of rollers 810 are distributed between two adjacent rings.
[0038] Furthermore, a third motor 900 is installed on the top of the base 120, and a fourth gear 920 is installed at the output end of the third motor 900. A third gear 910 is installed on the second ring, and the third gear 910 is a gear ring structure fixedly sleeved on the outer circumference of the second ring. The third gear 910 and the fourth gear 920 are meshed together. Thus, when the third motor 900 drives the fourth gear 920 to rotate, it can drive the third gear 910 to rotate synchronously with the second ring, that is, drive the limiting ring frame 800 to rotate, thereby driving the circumferentially distributed rollers 810 to rotate around the entire stranded cable, thereby uniformly restricting and shaping the outer circumference of the entire cable. In addition, during the rotation of the limiting ring frame 800 and the rollers 810, the tangential friction force on the outer circumference of the entire cable can balance the force of the unstretched wires on the stranded cable, thereby maintaining the stability of the entire cable, so as to facilitate the winding or further processing of the cable.
[0039] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.
Claims
1. A cable stranding device, characterized in that, include: Base; A first stranded wire reel is rotatably mounted on the base, and the first stranded wire reel is provided with a first wire hole; The second stranded wire reel is rotatably mounted on the base, and the second stranded wire reel is provided with a second wire hole; The third stranded wire spool is rotatably mounted on the base and located between the first stranded wire spool and the second stranded wire spool. The third stranded wire spool is provided with a third wire hole. The radius of the third wire hole from the rotation center of the third stranded wire spool is greater than the radius of the first wire hole from the rotation center of the first stranded wire spool and the radius of the second wire hole from the rotation center of the second stranded wire spool. A pressure sensor is installed on the side wall of the third wire hole near the center of the third stranded wire spool. A pressure block is slidably mounted on the first stranding reel, and the number of the pressure blocks is the same as the number of the first wire holes and corresponds one-to-one. A driving component is used to drive the pressure block to slide.
2. The cable stranding device according to claim 1, characterized in that: The driving component includes a slide cylinder slidably disposed on the first strand reel and a screw rotatably disposed on the first strand reel, the screw being threadedly connected to the slide cylinder.
3. The cable stranding device according to claim 2, characterized in that: The driving component also includes a first motor, the output end of which is connected to the screw drive.
4. The cable stranding device according to claim 3, characterized in that: The first motor is electrically connected to the corresponding pressure sensor.
5. The cable stranding device according to claim 1, characterized in that: The pressure block includes a frame slidably disposed on the first stranded wire reel, and a pressure roller with a recessed annular groove on its outer peripheral side is rotatably mounted on the frame. The rotation center line of the pressure roller is perpendicular to the rotation center line of the first stranded wire reel.
6. The cable stranding device according to claim 1, characterized in that: The first stranded wire reel has a drive shaft installed in its middle, which is connected to the middle of the second stranded wire reel and the third stranded wire reel. The second stranded wire reel has a first gear installed on it. The base has a second motor installed on it. The output end of the second motor has a second gear that meshes with the first gear.
7. The cable stranding device according to claim 1, characterized in that: The base is rotatably mounted with a limiting ring frame, which is surrounded by multiple rollers, forming a channel between the rollers that allows the twisted cable to pass through.
8. The cable stranding device according to claim 7, characterized in that: The limiting ring frame has at least two sets of rollers arranged side by side along the pulling direction of the cable, and each set of rollers includes multiple rollers arranged in a ring.
9. The cable stranding device according to claim 8, characterized in that: The rollers in adjacent groups are staggered.
10. The cable stranding device according to claim 7, characterized in that: The base is equipped with a third motor, the limiting ring is equipped with a third gear, and the output end of the third motor is equipped with a fourth gear that meshes with the third gear.