Tensioning mechanism for winding of transformer
By designing a tightening mechanism for transformer winding, the combination of linear drive assembly and guide rollers is used to solve the problem of uneven conductor tension, and high quality and consistency of transformer winding are achieved.
Patent Information
- Application Number
- CN202422210688.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-10
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-09-10
AI Technical Summary
The existing transformer winding tightening mechanism causes uneven wire tension during winding, resulting in poor winding quality.
A tightening mechanism for transformer winding is designed, including a support frame, guide bar, linear drive assembly, bearing plate, first and second guide rollers, slide columns and tensioning springs in a "Π"-shaped structure. The linear drive assembly drives the movement of the bearing plate, and combines the design of guide rollers and slide columns to maintain uniform tension of the conductors.
It effectively avoids the problem of uneven conductor tightness and ensures the quality and consistency of the transformer winding.
Smart Images
Figure CN223038782U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of transformer manufacturing, and particularly relates to a tensioning mechanism for transformer winding. Background Art
[0002] When winding the coil of a transformer, in order to ensure that the coil of the transformer is wound tightly, a wire tensioning mechanism must apply a tensioning force to the wire for tensioning.
[0003] In the prior art, most of the tensioning mechanisms for transformer winding use springs to achieve the tensioning of the wire. Although this structure is relatively simple, since the distance between the two ends of the transformer and the wire feeding point of the wire feeding roller is greater than the distance between the middle part of the transformer and the wire feeding point of the wire feeding roller during the winding process of the transformer, this causes the tensioning force applied by the spring to the wire when winding at the ends of the transformer to be greater than the tensioning force applied by the spring to the wire when winding in the middle of the transformer, resulting in uneven tightness of the wire and problems such as poor winding quality of the transformer. Therefore, it is urgent to study a tensioning mechanism for transformer winding to solve the above problems. Summary of the Utility Model
[0004] The utility model aims to provide a tensioning mechanism for transformer winding, and its purpose is to solve the technical problems raised in the above background art.
[0005] To solve the above technical problems, the utility model is realized through the following technical solutions:
[0006] The utility model provides a tensioning mechanism for transformer winding, which includes a support frame in a "Π" shape structure; a guide bar is horizontally connected below the middle arm of the support frame, and the length direction of the guide bar is parallel to the length direction of the middle arm of the support frame; the lower surface of the guide bar is in a "﹀" shape structure; a linear driving component is horizontally installed below the guide bar; the driving direction of the linear driving component is parallel to the length direction of the middle arm of the support frame; a bearing plate is horizontally connected to the linear driving component; a pair of first supports in a "Π" shape structure are fixedly arranged side by side on the lower surface of the bearing plate; a first guide roller is rotatably connected between the two side arms of each first support; a sliding column is vertically arranged between the two first supports; the sliding column slidably penetrates through the bearing plate; the upper end of the sliding column abuts against the lower surface of the guide bar; the lower end of the sliding column is fixed with a second support in a "Π" shape structure; a second guide roller is rotatably connected between the two side arms of the second support; the middle arm of the second support is connected to the bearing plate through a tension spring.
[0007] As a preferred technical solution of the present utility model, a stud is vertically rotatably connected to the upper surface of the guide bar; the stud is inserted through the middle arm of the support frame, and the stud is in threaded cooperation with the support frame; on opposite sides of the stud, positioning columns are vertically arranged; both of the positioning columns are slidably inserted through the middle arm of the support frame; the lower ends of both of the positioning columns are fixed to the upper surface of the guide bar.
[0008] As a preferred technical solution of the present utility model, the linear drive assembly includes guide rods respectively fixed to the two side arms of the support frame at both ends; a sliding sleeve is slidably connected to the guide rods; on one side of the sliding sleeve, a screw rod parallel to the guide rods is horizontally arranged; both ends of the screw rod are respectively rotatably connected to the two side arms of the support frame; a nut sleeve is in threaded cooperation with the screw rod; both the nut sleeve and the sliding sleeve are fixed to the upper surface of the bearing plate; a first belt pulley is fixedly sleeved on one end of the screw rod; the first belt pulley is drivingly connected to a second belt pulley through a synchronous belt; the second belt pulley is fixedly sleeved on the output shaft of a servo motor; the servo motor is horizontally fixed to the middle arm of the support frame.
[0009] As a preferred technical solution of the present utility model, a vertically arranged roller is rotatably connected to the upper end of the sliding column; the circumferential surface of the roller abuts against the lower surface of the guide bar.
[0010] The present utility model has the following beneficial effects:
[0011] In the present utility model, the wire on the wire pay-off reel is first passed through between the two guide wheels, and then the wire is sequentially wound around a first guide roller, a second guide roller and another first guide roller, and then the wire is wound around the transformer. During the winding process of the transformer, the linear drive assembly is used to drive the bearing plate to reciprocate linearly, so that the guide between the other first guide roller and the transformer is perpendicular to the rotation axis of the transformer for winding on the transformer. At the same time, during the movement of the bearing plate, the roller rolls on the lower surface of the guide bar, so that the sliding column drives the second guide roller to move up and down, thereby ensuring that the guiding length between the wire pay-off reel and the transformer remains unchanged during the winding process of the transformer, effectively avoiding the problem of uneven tightness of the wire, and effectively ensuring the winding quality of the transformer.
[0012] Of course, it is not necessary for any product implementing the present utility model to achieve all the above-mentioned advantages simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model, and those of ordinary skill in the art can also obtain other drawings based on these drawings without creative efforts.
[0014] Figure 1 This is a schematic structural diagram of a tensioning mechanism for transformer winding of the present utility model.
[0015] Figure 2 is Figure 1 front view of the main structure.
[0016] Figure 3 This is a schematic structural diagram of the guide bar of the present utility model.
[0017] Figure 4 This is a schematic structural diagram of the linear drive assembly of the present utility model.
[0018] Figure 5 This is a schematic diagram of the relative positions between the first support and the second support of the present utility model.
[0019] Figure 6 This is a usage state diagram of the first guide roller and the second guide roller of the present utility model.
[0020] In the drawings, the list of components represented by each reference numeral is as follows:
[0021] 1 - support frame, 2 - guide bar, 3 - linear drive assembly, 4 - bearing plate, 5 - first support, 6 - sliding column, 7 - second support, 8 - tension spring, 9 - stud, 10 - orientation column, 301 - guide rod, 302 - sliding sleeve, 303 - screw rod, 304 - screw sleeve, 305 - first belt pulley, 306 - second belt pulley, 307 - servo motor, 501 - first guide roller, 601 - roller, 701 - second guide roller. Detailed implementation manners
[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.
[0023] Embodiment 1:
[0024] Please refer to Figure 1-2 and Figure 5As shown in the figure, the utility model relates to a tensioning mechanism for transformer winding, which includes a support frame 1 with a "Π" - shaped structure; a guide bar 2 is horizontally connected below the middle arm of the support frame 1, and the length direction of the guide bar 2 is parallel to the length direction of the middle arm of the support frame 1; the lower surface of the guide bar 2 has a "﹀" - shaped structure; a linear drive assembly 3 is horizontally installed below the guide bar 2; the driving direction of the linear drive assembly 3 is parallel to the length direction of the middle arm of the support frame 1; a bearing plate 4 is horizontally connected to the linear drive assembly 3; a pair of "Π" - shaped first supports 5 are bolt - connected side - by - side on the lower surface of the bearing plate 4; a first guide roller 501 is rotatably connected between the two side arms of each first support 5; a sliding column 6 is vertically arranged between the two first supports 5; the sliding column 6 slidably penetrates through the bearing plate 4; the upper end of the sliding column 6 is rotatably connected to a vertically - arranged roller 601; the circumferential surface of the roller 601 abuts against the lower surface of the guide bar 2; the lower end of the sliding column 6 is bolt - connected to a "Π" - shaped second support 7; a second guide roller 701 is rotatably connected between the two side arms of the second support 7; the middle arm of the second support 7 is connected to the bearing plate 4 through a pair of tension springs 8; the two tension springs 8 are arranged on the opposite sides of the sliding column 6. As Figure 6 shown, when in use, the wire on the wire - paying roller is first passed through between the two guide wheels, then the wire is successively wound around a first guide roller 501, a second guide roller 701 and another first guide roller 501, and then the wire is wound around the transformer. During the transformer winding process, the linear drive assembly 3 drives the bearing plate 4 to reciprocate linearly, so that the guide between the other first guide roller 501 and the transformer is perpendicular to the rotation axis of the transformer for winding on the transformer. At the same time, during the movement of the bearing plate 4, the roller 601 rolls on the lower surface of the guide bar 2, causing the sliding column 6 to drive the second guide roller 701 to move up and down. Thus, during the transformer winding process, the guiding length between the wire - paying roller and the transformer is always kept unchanged, effectively avoiding the problem of uneven tightness of the wire and effectively ensuring the winding quality of the transformer.
[0025] Embodiment Two:
[0026] Based on Embodiment One, as Figure 2-3 shown, a stud 9 is vertically rotatably connected to the upper surface of the guide bar 2; the stud 9 is inserted through the middle arm of the support frame 1, and the stud 9 is in threaded cooperation with the support frame 1; a pair of orientation columns 10 are vertically arranged on the opposite sides of the stud 9; both orientation columns 10 are slidably inserted through the middle arm of the support frame 1; the lower ends of both orientation columns 10 are fixed on the upper surface of the guide bar 2. When in use, by rotating the stud 9 to drive the guide bar 2 to move up and down, the tension force of the tension spring 8 can be adjusted, thus ensuring the up - and - down movement effect of the sliding column 6.
[0027] Embodiment Three:
[0028] Based on the second embodiment, as Figure 4-5 shown, the linear drive assembly 3 includes a guide rod 301 bolted to the two side arms of the support frame 1 at both ends; a sliding sleeve 302 is slidably connected to the guide rod 301; a screw rod 303 parallel to the guide rod 301 is horizontally arranged on one side of the sliding sleeve 302; both ends of the screw rod 303 are rotatably connected to the two side arms of the support frame 1; a screw sleeve 304 is in threaded fit with the screw rod 303; both the screw sleeve 304 and the sliding sleeve 302 are bolted to the upper surface of the bearing plate 4; a first pulley 305 is key-connected to one end of the screw rod 303; the first pulley 305 is connected to a second pulley 306 by a synchronous belt; the second pulley 306 is key-connected to the output shaft of a servo motor 307; the servo motor 307 is horizontally bolted to the middle arm of the support frame 1. When in use, the servo motor 307 drives the second pulley 306 to rotate forward and backward, causing the first pulley 305 to drive the screw rod 303 to rotate forward and backward, so as to drive the bearing plate 4 to reciprocate along the length direction of the guide rod 301 through the screw sleeve 304 and the sliding sleeve 302, effectively ensuring the winding effect of the transformer.
[0029] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and changes can be made according to the content of this specification. These embodiments are selected and specifically described in this specification to better explain the principle and practical application of the present invention, so that those skilled in the relevant technical field can understand and utilize the present invention well. The present invention is only limited by the claims and their full scope and equivalents.
Claims
1. A tensioning mechanism for transformer windings, comprising a support frame (1) in a "Π"-shaped structure; characterized in that: A guide bar (2) is horizontally connected to the lower part of the middle arm of the support frame (1), and the length direction of the guide bar (2) is arranged in parallel with the length direction of the middle arm of the support frame (1); the lower surface of the guide bar (2) is in a "﹀"-shaped structure; a linear drive assembly (3) is horizontally installed below the guide bar (2); the driving direction of the linear drive assembly (3) is arranged in parallel with the length direction of the middle arm of the support frame (1); a bearing plate (4) is horizontally connected to the upper part of the linear drive assembly (3); a pair of first supports (5) in a "Π"-shaped structure are fixed side by side on the lower surface of the bearing plate (4) ; A first guide roller (501) is rotatably connected between the two side arms of each first support (5); a sliding column (6) is vertically arranged between the two first supports (5); the sliding column (6) is slidably inserted into the support plate (4); the upper end of the sliding column (6) is in contact with the lower surface of the guide strip (2); a second support (7) with a "Π"-shaped structure is fixed to the lower end of the sliding column (6); a second guide roller (701) is rotatably connected between the two side arms of the second support (7); the middle arm of the second support (7) is connected to the support plate (4) via a tensioning spring (8).
2. The tensioning mechanism for transformer winding according to claim 1, characterized in that: The upper surface of the guide bar (2) is vertically rotatably connected with a stud (9); the stud (9) is inserted and arranged on the middle arm of the support frame (1), and the stud (9) and the support frame (1) are threadedly matched; directional columns (10) are vertically arranged on opposite sides of the stud (9); the two directional columns (10) are slidably inserted and arranged on the middle arm of the support frame (1); the lower ends of the two directional columns (10) are fixed on the upper surface of the guide bar (2).
3. The tensioning mechanism for transformer winding according to claim 1 or 2, characterized in that: The linear drive assembly (3) comprises a guide rod (301) whose two ends are respectively fixed on the two side arms of the support frame (1); a sliding sleeve (302) is slidably connected to the guide rod (301); a screw rod (303) parallel to the guide rod (301) is horizontally arranged on one side of the sliding sleeve (302); the two ends of the screw rod (303) are respectively rotatably connected to the two side arms of the support frame (1); a screw sleeve (304) is threadedly matched on the screw rod (303); the screw sleeve (304) and the sliding sleeve (302) are both fixed on the upper surface of the bearing plate (4).
4. The tensioning mechanism for transformer winding according to claim 3, characterized in that: A first pulley (305) is fixedly sleeved on one end of the screw rod (303); the first pulley (305) is connected to a second pulley (306) via a synchronous belt transmission; the second pulley (306) is fixedly sleeved on an output shaft of a servo motor (307); and the servo motor (307) is horizontally fixed on the middle arm of the support frame (1).
5. The tensioning mechanism for transformer winding according to claim 1, characterized in that: The upper end of the sliding column (6) is rotatably connected to a vertically arranged roller (601); the circumferential wheel surface of the roller (601) is in contact with the lower surface of the guide strip (2).