Buffer device for wire core wrapping and wrapping equipment
By using a buffer device pulley assembly, including a bracket and a sliding movable pulley, the problem of pitch instability caused by the pulling of the wrapping tape during the wrapping process of the wire core is solved, and the stability of the wrapping process is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TELCO SOURCE CONNECT LLC
- Filing Date
- 2025-06-03
- Publication Date
- 2026-05-15
AI Technical Summary
During the wrapping process, the wire core is pulled up and down by the wrapping tape, causing the wire core at the adjacent wrapping machine to move back and forth, resulting in unstable wrapping pitch.
A buffer device is adopted, including a bracket and a pulley assembly. The pulley assembly consists of a first fixed pulley and a movable pulley. The first fixed pulley is fixed on the bracket and can rotate, while the movable pulley can slide. The wire core is led out after passing through the first fixed pulley, the movable pulley and the first fixed pulley in sequence. The movable pulley can slide to reduce the movement of the wire core.
This avoids the wire core from moving back and forth at adjacent wrapping machines due to the up-and-down pulling of the wrapping tape, maintaining a stable wrapping pitch and improving the stability of the wrapping process.
Smart Images
Figure CN224242427U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of cable technology, specifically to a buffer device and wrapping equipment for wrapping wire cores. Background Technology
[0002] Low-loss high-speed cables are widely used in phased array radar, satellite and missile monitoring, and electronic systems with stringent weight requirements. They play a vital role in the transmission of radio frequency signals between various wireless devices. These low-loss high-speed cables typically consist of an inner conductor, an inner insulation layer, an outer insulation layer, a shielding layer, and an outer sheath. These different layers are generally manufactured through a wrapping process. For example, after the conductor is wrapped in the inner insulation layer, the core is first wrapped by a wrapping machine to form the outer insulation layer, then wrapped by another wrapping machine to form the shielding layer, and finally wrapped by yet another wrapping machine to form the outer sheath, ultimately forming a low-loss high-speed cable.
[0003] Cables are typically quite long, so different wrapping machines perform different wrapping processes on the same conductor simultaneously, only the wrapping positions on the conductor differ. For example, an outer sheath is formed near the cable end, an outer insulation layer is formed near the cable end, and a shielding layer is formed between the cable end and the cable end. During the wrapping process, the conductor is pulled up and down by the wrapping tape. Therefore, when the conductor at one wrapping machine is pulled up and down, it will cause the conductors at adjacent wrapping machines to move back and forth, resulting in unstable wrapping pitch at that wrapping machine. Utility Model Content
[0004] This application mainly provides a buffer device and a wrapping equipment for wrapping wire cores, which can prevent the wire cores from being pulled up and down by the wrapping tape, causing the wire cores at adjacent wrapping machines to move back and forth, thereby causing the wrapping pitch at the wrapping machine to be unstable.
[0005] To solve the above-mentioned technical problems, one technical solution adopted in this application is: to provide a buffer device for wrapping wire cores, the buffer device comprising: a bracket; a pulley assembly including a first fixed pulley and a movable pulley, the first fixed pulley being fixedly mounted on the bracket and rotatable relative to the bracket, the movable pulley being slidably mounted on the bracket and rotatable relative to the bracket, the first fixed pulley being used to introduce the wire core, so that the wire core is led out after passing through the first fixed pulley, the movable pulley and the first fixed pulley in sequence.
[0006] In one specific embodiment, the first fixed pulley is provided with a plurality of first wire grooves arranged sequentially along the axial direction of the first fixed pulley, one of the plurality of first wire grooves is used to introduce the wire core, and another of the plurality of first wire grooves is used to lead out the wire core.
[0007] In one specific embodiment, there are two first fixed pulleys and two movable pulleys, with the two movable pulleys arranged side by side in the radial direction and the two first fixed pulleys arranged side by side in the radial direction.
[0008] In one specific embodiment, the movable pulley is provided with at least one second groove, and the wire core passes around the movable pulley through the second groove. The number of second grooves is less than or equal to the number of first grooves.
[0009] In one specific embodiment, an elastic element is further provided between the bracket and the movable pulley, and the elastic element abuts against the bracket and the movable pulley respectively.
[0010] In one specific embodiment, the first fixed pulley includes a first sub-pulley and a second sub-pulley. The line connecting the axis of the first sub-pulley, the axis of the second sub-pulley, and the axis of the movable pulley forms a triangle. The first sub-pulley is used to introduce the wire core so that the wire core passes through the first sub-pulley, the movable pulley, and the second sub-pulley in sequence before being led out.
[0011] In one specific embodiment, the pulley assembly further includes a second fixed pulley, which is disposed within the triangular area formed by the line connecting the axis of the first sub-pulley, the axis of the second sub-pulley, and the axis of the movable pulley, so that the core wire passes through the first sub-pulley, the second fixed pulley, the movable pulley, the second fixed pulley, and the second sub-pulley in sequence before being led out.
[0012] In one specific embodiment, the second fixed pulley is provided with a plurality of second wire grooves arranged sequentially along the axial direction of the second fixed pulley, one of the plurality of second wire grooves is used to introduce the wire core, and another of the plurality of second wire grooves is used to lead the wire core to the second sub-pulley.
[0013] In one specific embodiment, there are two second fixed pulleys and two movable pulleys, with the two movable pulleys arranged side by side in the radial direction and the two second fixed pulleys arranged side by side in the radial direction.
[0014] To solve the above-mentioned technical problems, another technical solution adopted in this application is: to provide a wrapping device, the wrapping device including at least two wrapping machines and the buffer device, the at least two wrapping machines being used to perform different wrapping processes on the wire core, and the buffer device being disposed between two adjacent wrapping machines.
[0015] The beneficial effects of this application are as follows: Unlike the prior art, the buffer device provided in this application includes: a bracket; a pulley assembly, including a first fixed pulley and a movable pulley. The first fixed pulley is fixedly installed on the bracket and can rotate relative to the bracket. The movable pulley is slidably installed on the bracket and can rotate relative to the bracket. The first fixed pulley is used to introduce the wire core so that the wire core passes through the first fixed pulley, the movable pulley and the first fixed pulley in sequence before being led out. This can prevent the wire core from being pulled up and down by the wrapping tape, causing the wire core at the adjacent wrapping machine to move back and forth, thereby causing the wrapping pitch at the wrapping machine to be unstable. Attached Figure Description
[0016] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.
[0017] Figure 1 This is a schematic diagram illustrating the principle structure of the wrapping device implementation method provided in this application;
[0018] Figure 2 yes Figure 1 A schematic diagram illustrating the principle and structure of one embodiment of the buffer device;
[0019] Figure 3 yes Figure 2 A schematic diagram showing the state of the center line segment extending to the wrapping machine;
[0020] Figure 4 yes Figure 2 A three-dimensional structural diagram of the first fixed pulley and the movable pulley;
[0021] Figure 5 yes Figure 3 A schematic diagram of the principle structure of another embodiment of the first fixed pulley and the movable pulley;
[0022] Figure 6 yes Figure 1 A schematic diagram illustrating the principle structure of another embodiment of the middle pulley assembly;
[0023] Figure 7 yes Figure 1 A schematic diagram of the principle structure of another embodiment of the middle pulley assembly. Detailed Implementation
[0024] The present application will now be described in further detail with reference to the accompanying drawings and embodiments. It should be noted that the following embodiments are for illustrative purposes only and do not limit the scope of the application. Similarly, the following embodiments are only some, not all, embodiments of the present application, and all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this application.
[0025] The terms "first," "second," and "third" in this application are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified. All directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of this application are only used to explain the relative positional relationships and movements between components in a specific orientation (as shown in the figures). If the specific orientation changes, the directional indications also change accordingly. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion. A process, method, system, product, or device that includes a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units not listed, or may optionally include other steps or units inherent to these processes, methods, products, or devices.
[0026] In this document, the term "implementation" means that a specific feature, structure, or characteristic described in connection with an implementation may be included in at least one implementation of this application. The appearance of this phrase in various places in the specification does not necessarily refer to the same implementation, nor is it a separate or alternative implementation mutually exclusive with other implementations. It will be explicitly and implicitly understood by those skilled in the art that the implementations described herein can be combined with other implementations.
[0027] Please see Figure 1 , Figure 1This is a schematic diagram illustrating the principle structure of the wrapping device 10 provided in this application. The wrapping device in this embodiment includes at least two wrapping machines and a buffer device 10a. The at least two wrapping machines are used to perform different wrapping processes on the wire core 110. The buffer device 10a is disposed between two adjacent wrapping machines. For example, in this embodiment, there are three wrapping machines, namely a wrapping machine 10b for forming an outer insulation layer, a wrapping machine 10c for forming a shielding layer, and a wrapping machine 10d for forming an outer sheath layer. There are two buffer devices 10a, one of which is disposed between wrapping machine 10b and wrapping machine 10c, and the other is disposed between wrapping machine 10c and wrapping machine 10d.
[0028] Please refer to the following: Figure 2 and Figure 3 , Figure 2 yes Figure 1 A schematic diagram illustrating the principle and structure of one embodiment of the buffer device 10a. Figure 3 yes Figure 2 A schematic diagram showing the state of the middle segment 110a leading to the wrapping machine 10c. In this embodiment, the buffer device 10a includes a bracket 11 and a pulley assembly 12.
[0029] The pulley assembly 12 includes a first fixed pulley 121 and a movable pulley 122. The first fixed pulley 121 is fixedly mounted on the bracket 11 and can rotate relative to the bracket 11. The movable pulley 122 is slidably mounted on the bracket 11 and can rotate relative to the bracket 11. The first fixed pulley 121 is used to introduce the wire core 110 so that the wire core 110 passes through the first fixed pulley 121, the movable pulley 122 and the first fixed pulley 121 in sequence before being led out.
[0030] For ease of explanation, this embodiment uses wrapping machine 10b and wrapping machine 10c as examples. Figure 2 As shown, after the outer insulation layer of segment 110a of wire core 110 is formed by the wrapping machine 10b, segment 110a is introduced through the path corresponding to segment 110d of wire core 110 and passes around the first fixed pulley 121. Then, it passes through the path corresponding to segment 110b of wire core 110 and passes around the movable pulley 122, and then passes through the path corresponding to segment 110c of wire core 110 and passes around the first fixed pulley 121 again. Finally, it is led out through the path corresponding to segment 110a. It can be understood that after segment 110a is formed into an outer insulation layer by the wrapping machine 10b and introduced into the first fixed pulley 121, segments 110c, 110b, and 110d are successively formed into an outer insulation layer by the wrapping machine 10b. Therefore, when segment 110a is led out from the first fixed pulley 121 to the wrapping machine 10c and formed into an outer insulation layer, segment 110a is introduced through the path corresponding to segment 110d of wire core 110 and passes around the first fixed pulley 122. Figure 2 In the state shown, line segments 110c, 110b, and 110d have all formed an outer insulating layer; furthermore, as... Figure 3 As shown, after line segment 110a is led out from the first fixed pulley 121, it is introduced into the wrapping machine 10c. At this time, the wrapping machine 10c wraps the line segment 110a to form a shielding layer. During the process of forming the shielding layer, if the wrapping tape of the wrapping machine 10c pulls the line segment 110a up and down, it will cause the line segment 110c to move as shown in the figure. Figure 3 The line segment 110b moves in the direction A shown, thereby causing it to move in the direction shown. Figure 3 The line segment 110b moves in the direction B shown. Since the movable pulley 122 in this embodiment is slidably mounted on the bracket 11 and can rotate relative to the bracket 11, the line segment 110b can drive the movable pulley 122 to move in the direction shown. Figure 3 Moving in direction B as shown causes line segment 110d to shorten. In this case, the up-and-down movement of line segment 110a only affects the movement of line segment 110b and the shortening of line segment 110d. It does not affect line segment 110e, which has already formed an outer insulation layer but has not yet introduced the first fixed pulley 121, or line segment 110f, which is being formed with an outer insulation layer by the wrapping machine 10b. That is, it will not cause line segments 110e and 110f to move. Compared with the prior art, the movement of line segment 110e will not cause the pitch of the wrapping machine 10b to be unstable during the wrapping process. Similarly, it will not cause the pitch of the wrapping machine 10c to be unstable during the wrapping process.
[0031] Optionally, in practical applications, the weight of the movable pulley 122 can be changed according to different conditions of the wire core 110, such as different thicknesses, so as to control the wire tension of the wire core 110.
[0032] Optionally, an elastic element (not shown in the figure) is provided between the bracket 11 and the movable pulley 122. The elastic element abuts against the bracket 11 and the movable pulley 122 respectively, and the tension of the wire core 110 is controlled by the elastic force of the elastic element.
[0033] Please see Figure 4 , Figure 4 yes Figure 2 A three-dimensional structural diagram of the first fixed pulley 121 and the movable pulley 122 is shown. The first fixed pulley 121 is provided with a plurality of first grooves arranged sequentially along the axial direction of the first fixed pulley 121. One of the plurality of first grooves is used to introduce the wire core 110, and another of the plurality of first grooves is used to lead out the wire core 101. For example, in this embodiment, the number of first grooves is three, namely first groove 101a, first groove 101b and first groove 101c. The wire core 110 is introduced from the first groove 101a and led out from the first groove 101c.
[0034] Optionally, the movable pulley 122 is provided with at least one second groove. The wire core 110 passes through the second groove and wraps around the movable pulley 122. The number of second grooves is less than or equal to the number of first grooves. For example, in this embodiment, there are two second grooves, namely second groove 102a and second groove 102b. After the wire core 110 is introduced from the first groove 101a, it first passes through the second groove 102a and wraps around the movable pulley 122, then passes through the first groove 101b and wraps around the first fixed pulley, then passes through the second groove 102b and wraps around the movable pulley 122, and finally passes through the first groove 101c and wraps around the first fixed pulley 121 and is led out. By using this multi-winding method, the stability of the wire core 110 can be increased and the range of movement of the wire core 110 can be reduced.
[0035] Please see Figure 5 , Figure 5 yes Figure 3 The schematic diagram of the principle structure of another embodiment of the first fixed pulley 121 and the movable pulley 122 is shown. In this embodiment, there are two first fixed pulleys 121 and two movable pulleys 122. The two movable pulleys 122 are arranged side by side in the radial direction, and the two first fixed pulleys 121 are arranged side by side in the radial direction.
[0036] Specifically, as described above, when the wire core 110 is introduced into the first fixed pulley 121 from the first wire groove 101a and then led out from the first wire groove 101c, the position where the wire core 110 is led out is misaligned with the position where it is introduced, that is, the center position of the wire core 110 is changed. In this embodiment, by setting two of each of the first fixed pulley 121 and the movable pulley 122, as follows: Figure 5 As shown, when the wire core 110 is led out from the first fixed pulley 121 on the left, it is then led to the first fixed pulley 121 on the right, and finally led out from the first fixed pulley 121 on the right. At this time, the positions of the wire core 110 led out from the first fixed pulley 121 on the right and the wire core 110 led out from the first fixed pulley 121 on the left will not be misaligned, that is, the center position of the wire core 110 will not be changed.
[0037] Please see Figure 6 , Figure 6 yes Figure 1 A schematic diagram illustrating the principle structure of another embodiment of the pulley assembly 12. In this other embodiment, the first fixed pulley 121 includes a first sub-pulley 121a and a second sub-pulley 121b. The line connecting the axis of the first sub-pulley 121a, the axis of the second sub-pulley 121b, and the axis of the movable pulley 122 forms a line as shown in the diagram. Figure 6 The triangle arrangement shown by the dashed line is used to introduce the wire core 110, so that the wire core 110 passes through the first sub-wheel 121a, the movable pulley 122 and the second sub-wheel 121b in sequence before being led out.
[0038] Please see Figure 7 , Figure 7 yes Figure 1 A schematic diagram of the principle structure of another embodiment of the pulley assembly 12. In this embodiment, the pulley assembly 12 further includes a second fixed pulley 123. The second fixed pulley 123 is disposed in the triangular area formed by the line connecting the axis of the first sub-pulley 121a, the axis of the second sub-pulley 121b and the axis of the movable pulley 122, so that the core 110 passes through the first sub-pulley 121a, the second fixed pulley 123, the movable pulley 122, the second fixed pulley 1213 and the second sub-pulley 121b in sequence before being led out.
[0039] Optionally, the second fixed pulley 123 is provided with a plurality of second wire grooves (not shown in the figure) arranged sequentially along the axial direction of the second fixed pulley 123. One of the plurality of second wire grooves is used to introduce the wire core 110, and another of the plurality of second wire grooves is used to lead the wire core to the second daughter pulley 121b.
[0040] Understandably, the structure and principle of the second groove are similar to... Figure 4 The structure and principle shown are the same, and you can refer to the relevant descriptions, so I will not repeat them here.
[0041] Optionally, there are two second fixed pulleys 123 and two movable pulleys 122, with the two movable pulleys 123 arranged side by side in the radial direction and the two second fixed pulleys 123 arranged side by side in the radial direction.
[0042] Understandably, the structure and principle of the second groove are similar to... Figure 5 The structure and principle shown are the same, and you can refer to the relevant descriptions, so I will not repeat them here.
[0043] The beneficial effects of this application are as follows: Unlike the prior art, the buffer device provided in this application includes: a bracket; a pulley assembly, including a first fixed pulley and a movable pulley. The first fixed pulley is fixedly installed on the bracket and can rotate relative to the bracket. The movable pulley is slidably installed on the bracket and can rotate relative to the bracket. The first fixed pulley is used to introduce the wire core so that the wire core passes through the first fixed pulley, the movable pulley and the first fixed pulley in sequence before being led out. This can prevent the wire core from being pulled up and down by the wrapping tape, causing the wire core at the adjacent wrapping machine to move back and forth, thereby causing the wrapping pitch at the wrapping machine to be unstable.
[0044] The above description is only a partial embodiment of this application and does not limit the scope of protection of this application. Any equivalent device or equivalent process transformation made based on the content of this application specification and drawings, or directly or indirectly applied to other related technical fields, are similarly included within the scope of patent protection of this application.
Claims
1. A buffer device for wrapping wire cores, characterized in that, The buffer device includes: support; The pulley assembly includes a first fixed pulley and a movable pulley. The first fixed pulley is fixedly mounted on the bracket and can rotate relative to the bracket. The movable pulley is slidably mounted on the bracket and can rotate relative to the bracket. The first fixed pulley is used to introduce the wire core so that the wire core passes through the first fixed pulley, the movable pulley and the first fixed pulley in sequence before being led out.
2. The buffer device according to claim 1, characterized in that, The first fixed pulley is provided with a plurality of first wire grooves arranged sequentially along the axial direction of the first fixed pulley. One of the plurality of first wire grooves is used to introduce the wire core, and the other of the plurality of first wire grooves is used to lead out the wire core.
3. The buffer device according to claim 2, characterized in that, The number of the first fixed pulley and the number of the movable pulley are two each. The two movable pulleys are arranged side by side in the radial direction, and the two first fixed pulleys are arranged side by side in the radial direction.
4. The buffer device according to claim 2, characterized in that, The movable pulley is provided with at least one second groove, and the wire core passes through the second groove to bypass the movable pulley. The number of second grooves is less than or equal to the number of first grooves.
5. The buffer device according to claim 1, characterized in that, An elastic element is also provided between the bracket and the movable pulley, and the elastic element abuts against the bracket and the movable pulley respectively.
6. The buffer device according to claim 1, characterized in that, The first fixed pulley includes a first sub-pulley and a second sub-pulley. The line connecting the axis of the first sub-pulley, the axis of the second sub-pulley, and the axis of the movable pulley forms a triangle. The first sub-pulley is used to introduce the wire core so that the wire core passes through the first sub-pulley, the movable pulley, and the second sub-pulley in sequence before being led out.
7. The buffer device according to claim 6, characterized in that, The pulley assembly further includes a second fixed pulley, which is disposed within the triangular area formed by the line connecting the axis of the first sub-pulley, the axis of the second sub-pulley, and the axis of the movable pulley, so that the core wire passes through the first sub-pulley, the second fixed pulley, the movable pulley, the second fixed pulley, and the second sub-pulley in sequence before being led out.
8. The buffer device according to claim 7, characterized in that, The second fixed pulley is provided with a plurality of second wire grooves arranged sequentially along the axial direction of the second fixed pulley. One of the plurality of second wire grooves is used to introduce the wire core, and another of the plurality of second wire grooves is used to lead the wire core to the second sub-pulley.
9. The buffer device according to claim 8, characterized in that, The number of the second fixed pulley and the number of the movable pulley are two each. The two movable pulleys are arranged side by side in the radial direction, and the two second fixed pulleys are arranged side by side in the radial direction.
10. A wrapping device, characterized in that, The wrapping equipment includes at least two wrapping machines and a buffer device according to any one of claims 1 to 9. The at least two wrapping machines are used to perform different wrapping processes on the wire core, and the buffer device is disposed between two adjacent wrapping machines.