A tension constant release spool for copper wire stranding
By designing a combination of main support frame, secondary support frame and tensioning mechanism, precise adjustment and continuous constant release of tension are achieved during copper wire stranding, solving the tension fluctuation problem caused by traditional release coil frame, improving stranding quality and production stability, and removing oil and impurities from the surface of copper wire through cleaning mechanism, thereby improving electrical performance and mechanical strength.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BAOSHENGMAO ELECTRIC POWER TECH GRP CO LTD
- Filing Date
- 2025-07-08
- Publication Date
- 2026-06-23
AI Technical Summary
Traditional wire release spool frames struggle to precisely control the release tension of the wire spool, leading to tension fluctuations during the wire release process. This results in uneven wire arrangement and abnormal local stress after stranding, which can easily cause problems such as wire breakage, tangling, or deformation of the stranded structure.
A constant tension release reel frame was designed, comprising a main support frame, a secondary support frame, an unwinding mechanism, and a tensioning mechanism. A constant downward pressure is provided by a weight plate, and combined with a cleaning mechanism, the copper wire maintains a stable tension during release. The surface of the copper wire is cleaned by a cam mechanism.
It achieves precise adjustment and continuous constant release of tension during the copper wire stranding process, improving the efficiency of the stranding process and the consistency of finished products, avoiding copper wire loosening or breakage, improving stranding quality and production stability, and at the same time removing oil and impurities from the surface of the copper wire, improving electrical performance and mechanical strength.
Smart Images

Figure CN224394255U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of release coil frame technology, specifically a tension-constant release coil frame for copper wire stranding. Background Technology
[0002] Copper wire stranding is one of the common and critical processes in cable manufacturing. To ensure that the stranded copper wires are tightly arranged, have a uniform structure, and stable performance, multiple strands of copper wires need to be released synchronously and under constant tension before stranding. The release reel is the core component of the wire release system, and its performance directly affects the stability of the stranding process and the quality of the product.
[0003] In the copper wire stranding production process, the traditional release spool frame structure is relatively simple. It usually relies on mechanical friction or manual adjustment to control the rotation resistance of the spool. This method makes it difficult to achieve precise control of the release tension of the spool. As a result, during the actual wire release process, the tension of the spool fluctuates periodically due to inertia or vibration. The tension of the copper wire is inconsistent before entering the stranding equipment, resulting in uneven copper wire arrangement density and abnormal local stress after stranding. This can easily lead to problems such as wire breakage, entanglement, or deformation of the stranding structure.
[0004] In view of this, we propose a tension-constant release reel frame for copper wire stranding. Utility Model Content
[0005] The purpose of this utility model is to provide a tension-constant release reel frame for copper wire stranding. This tension-constant release reel frame for copper wire stranding solves the problem that traditional release reel frames are difficult to maintain constant tension, which leads to tension fluctuations when releasing copper wire, and consequently causes wire breakage, tangling, and uneven stranding quality.
[0006] To achieve the above objectives, this utility model provides the following technical solution:
[0007] A constant tension release reel frame for copper wire stranding includes a main support frame, a secondary support frame, and copper wire. The main support frame is equipped with an unwinding mechanism for releasing the copper wire. The secondary support frame is equipped with a tensioning mechanism, which includes: a second positioning member mounted on the secondary support frame; a U-shaped member slidably connected to the second positioning member; a connecting rod rotatably connected to the inner wall of the U-shaped member; a pressing ring slidably connected to the connecting rod; an annular groove on the pressing ring; a weight pan on the top of the U-shaped member; and a cleaning mechanism on the U-shaped member.
[0008] Preferably, a first positioning component is slidably connected to the main support frame, a bolt is provided on the first positioning component, a positioning groove is provided on the main support frame, a connecting shaft is provided on the first positioning component, an unwinding roller is provided on the connecting shaft, and the copper wire is wound on the unwinding roller.
[0009] Preferably, the cleaning mechanism includes a cam component, which is fixedly connected to a connecting rod. A guide rod is fixedly connected to the U-shaped component, and a hollow block is slidably connected to the guide rod. A return spring is provided between the hollow block and the guide rod. One end of the return spring is fixedly connected to the hollow block, and the other end of the return spring is fixedly connected to the guide rod. A cleaning brush is provided on the inner wall of the hollow block, and a linkage block is fixedly connected to the hollow block.
[0010] Preferably, a rubber pad is provided in the annular groove on the pressing ring, and the weight plate has a concave structure.
[0011] Preferably, the annular groove on the pressing ring has a semi-circular arc structure, and the cleaning brush is made of flexible nylon bristles.
[0012] Preferably, both ends of the unwinding roller are provided with limiting flanges, and the main support frame is provided with shock-absorbing pads between itself and the ground.
[0013] Preferably, the connecting rod has a hollow structure, and the unwinding roller is equipped with a braking device.
[0014] By employing the above technical solution, this utility model provides a constant tension release reel frame for copper wire stranding. It possesses at least the following beneficial effects:
[0015] 1. This utility model incorporates a tensioning mechanism that applies a constant downward pressure to the copper wire via the pressing ring, ensuring that the copper wire maintains a stable and constant tension during the release process. Users can adjust the weight of the weights according to actual needs to flexibly control the tension, achieving precise tension adjustment and continuous constant release, thereby effectively improving the efficiency of the entire copper wire stranding process and the consistency of the finished product.
[0016] 2. This utility model incorporates a cleaning mechanism. When the copper wire passes through the annular groove on the pressing ring, the pressing ring rotates under the action of friction. The connecting rod rotates the cam component, which reciprocates against the linkage block. This causes the linkage block to move the hollow block back and forth under the action of the return spring. This allows the cleaning brush on the hollow block to clean the copper wire repeatedly, removing oil, oxide layer, dust, or other impurities from the surface of the copper wire. Attached Figure Description
[0017] The accompanying drawings, which are included to provide a further understanding of the present invention, form part of this application:
[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0019] Figure 2 This is a schematic diagram of the main support frame in this utility model;
[0020] Figure 3 This is a schematic diagram of the secondary support frame in this utility model;
[0021] Figure 4 This is a schematic diagram of the tensioning mechanism in this utility model;
[0022] Figure 5 This is a schematic diagram of the cleaning mechanism in this utility model.
[0023] In the diagram: 1. Main support frame; 2. Secondary support frame; 3. Unwinding mechanism; 31. First positioning component; 32. Connecting shaft; 33. Unwinding roller; 34. Copper wire; 4. Tensioning mechanism; 41. Second positioning component; 42. U-shaped component; 43. Connecting rod; 44. Pressing ring; 45. Weight pan; 5. Cleaning mechanism; 51. Cam component; 52. Guide rod; 53. Return spring; 54. Hollow block; 55. Cleaning brush; 56. Linkage block. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] Please see Figure 1 - Figure 5As shown, this utility model provides a technical solution: a constant tension release reel frame for copper wire stranding, including a main support frame 1, a secondary support frame 2, and copper wire 34. The main support frame 1 is equipped with an unwinding mechanism 3 for releasing the copper wire 34. The secondary support frame 2 is equipped with a tensioning mechanism 4, which includes a second positioning member 41 mounted on the secondary support frame 2. A U-shaped member 42 is slidably connected to the second positioning member 41. A connecting rod 43 is rotatably connected to the inner wall of the U-shaped member 42. A pressing ring 44 is slidably connected to the connecting rod 43. The pressing ring 44 has an annular groove for placing the copper wire 34. A weight plate 45 is provided on the top of the U-shaped member 42. First, the copper wire 34 is released from the unwinding mechanism 3 on the main support frame 1. The copper wire 34 passes through the tensioning mechanism 4 on the secondary support frame 2, specifically through the annular groove on the pressing ring 44. A certain weight can be placed on the top of the weight plate 45 in the tensioning mechanism 4. Through the gravity of the weight, the pressing ring 44 applies a constant downward pressure to the copper wire 34, ensuring that the copper wire 34 maintains a stable and constant tension during the release process. This avoids the problem of the copper wire 34 loosening or breaking due to tension fluctuations, thereby ensuring that the tension of the copper wire 34 is uniform before stranding, improving the stranding quality and production stability. Users can adjust the weight of the weight according to actual needs to flexibly control the tension, achieve precise tension adjustment and continuous constant release, thereby effectively improving the efficiency of the entire copper wire 34 stranding process and the consistency of the finished product. A cleaning mechanism 5 is provided on the U-shaped part 42.
[0026] A first positioning component 31 is slidably connected to the main support frame 1. A bolt is provided on the first positioning component 31. A positioning groove is provided on the main support frame 1. The first positioning component 31 is positioned by engaging with the positioning groove through the bolt, so that the first positioning component 31 is fixed at different positions on the main support frame 1. A connecting shaft 32 is provided on the first positioning component 31. An unwinding roller 33 is provided on the connecting shaft 32. Copper wire 34 is wound on the unwinding roller 33.
[0027] The cleaning mechanism 5 includes a cam component 51, which is fixedly connected to a connecting rod 43. A guide rod 52 is fixedly connected to a U-shaped component 42. A hollow block 54 is slidably connected to the guide rod 52. A return spring 53 is provided between the hollow block 54 and the guide rod 52. One end of the return spring 53 is fixedly connected to the hollow block 54, and the other end is fixedly connected to the guide rod 52. A cleaning brush 55 is provided on the inner wall of the hollow block 54. With the linkage block 56 connected, when the copper wire 34 passes through the annular groove of the pressing ring 44, the pressing ring 44 drives the connecting rod 43 to rotate under the action of friction. The connecting rod 43 drives the cam 51 to rotate. The cam 51 reciprocates against the linkage block 56, causing the linkage block 56 to drive the hollow block 54 to move back and forth under the action of the return spring 53. This causes the cleaning brush 55 on the hollow block 54 to clean the copper wire 34 reciprocally, removing oil, oxide layer, dust or other impurities from the surface of the copper wire 34.
[0028] A rubber pad is installed in the annular groove on the pressing ring 44 to protect the copper wire 34 and increase friction. The weight pan 45 has a concave structure with multiple counterweight grooves at the bottom to prevent the weights from sliding during movement. The annular groove on the pressing ring 44 has a semi-circular arc structure that matches the diameter of the copper wire 34. The cleaning brush 55 uses flexible nylon brush strips and is fitted to the surface of the copper wire 34. The unwinding roller 33 has limiting flanges at both ends to prevent the copper wire 34 from coming off. There are shock-absorbing pads between the main support frame 1 and the ground. The connecting rod 43 has a hollow structure. The unwinding roller 33 is equipped with a braking device to prevent the copper wire 34 from being released too quickly due to inertia.
[0029] In use, the constant tension release reel frame for copper wire stranding of this utility model first releases the copper wire 34 from the unwinding mechanism 3 on the main support frame 1. The copper wire 34 passes along the path through the tensioning mechanism 4 on the secondary support frame 2, specifically through the annular groove on the pressing ring 44. A certain weight can be placed on the top of the weight plate 45 in the tensioning mechanism 4. Through the gravity of the weight, the pressing ring 44 applies a constant downward pressure to the copper wire 34, ensuring that the copper wire 34 maintains a stable and constant tension during the release process. This avoids the problem of loosening or breaking of the copper wire 34 due to tension fluctuations, thereby ensuring that the tension of the copper wire 34 is uniform before stranding, improving the stranding quality and production stability. Users can adjust the weight of the weight according to actual needs to flexibly control the tension, achieve precise tension adjustment and continuous constant release, thereby effectively improving the efficiency of the entire copper wire stranding process and the consistency of the finished product.
[0030] When the copper wire 34 passes through the annular groove of the pressing ring 44, the pressing ring 44 drives the connecting rod 43 to rotate under the action of friction. The connecting rod 43 drives the cam 51 to rotate. The cam 51 reciprocates against the linkage block 56, causing the linkage block 56 to drive the hollow block 54 to move back and forth under the action of the return spring 53. This causes the cleaning brush 55 on the hollow block 54 to clean the copper wire 34 reciprocally, removing oil, oxide layer, dust or other impurities from the surface of the copper wire 34. By driving the cleaning brush 55 to reciprocate and wash the surface of the copper wire 34 through the cam 51, the oil, oxide layer and dust on the surface of the copper wire 34 can be removed simultaneously without the need for an additional power device. This improves the reliability and electrical performance consistency of subsequent processes, improves the preparation quality of the copper wire 34 before stranding, and helps to improve the electrical performance, mechanical strength and overall stranding efficiency and stability of the finished conductor.
[0031] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A tension-constant-release reel frame for copper wire stranding, comprising a main support frame (1), a secondary support frame (2), and copper wire (34), characterized in that: The main support frame (1) is provided with an unwinding mechanism (3), which is used to release the copper wire (34). The secondary support frame (2) is provided with a tensioning mechanism (4), which includes: The second positioning component (41) is mounted on the secondary support frame (2). A U-shaped component (42) is slidably connected to the second positioning component (41). A connecting rod (43) is rotatably connected to the inner wall of the U-shaped component (42). A pressing ring (44) is slidably connected to the connecting rod (43). An annular groove is provided on the pressing ring (44). A weight plate (45) is provided on the top of the U-shaped component (42). The U-shaped component (42) is provided with a cleaning mechanism (5).
2. A tension-constant release reel frame for copper wire stranding according to claim 1, characterized in that: The main support frame (1) is slidably connected to a first positioning component (31), the first positioning component (31) is provided with a bolt, the main support frame (1) is provided with a positioning groove, the first positioning component (31) is provided with a connecting shaft (32), the connecting shaft (32) is provided with a unwinding roller (33), and the copper wire (34) is wound on the unwinding roller (33).
3. A tension-constant release reel frame for copper wire stranding according to claim 2, characterized in that: The cleaning mechanism (5) includes a cam component (51), which is fixedly connected to a connecting rod (43). A guide rod (52) is fixedly connected to the U-shaped component (42). A hollow block (54) is slidably connected to the guide rod (52). A return spring (53) is provided between the hollow block (54) and the guide rod (52). One end of the return spring (53) is fixedly connected to the hollow block (54), and the other end of the return spring (53) is fixedly connected to the guide rod (52). A cleaning brush (55) is provided on the inner wall of the hollow block (54), and a linkage block (56) is fixedly connected to the hollow block (54).
4. A tension-constant release reel frame for copper wire stranding according to claim 3, characterized in that: A rubber pad is provided in the annular groove on the pressing ring (44), and the weight plate (45) has a concave structure.
5. A tension-constant release reel frame for copper wire stranding according to claim 3, characterized in that: The annular groove on the pressing ring (44) has a semi-circular arc structure, and the cleaning brush (55) is made of flexible nylon brush strips.
6. A tension-constant release reel frame for copper wire stranding according to claim 3, characterized in that: Both ends of the unwinding roller (33) are provided with limiting flanges, and the main support frame (1) is provided with shock-absorbing pads between itself and the ground.
7. A tension-constant release reel frame for copper wire stranding according to claim 3, characterized in that: The connecting rod (43) has a hollow structure, and the unwinding roller (33) is equipped with a braking device.