Adjustable spot welding clamp
By designing an adjustable spot welding fixture, the fixture spacing and pressure plate position are adjusted using a rotating handle and lead screw structure. Combined with a spring compression seat, the problem that existing fixtures cannot adapt to different coil sizes is solved, achieving efficient coil positioning and clamping.
Patent Information
- Application Number
- CN202423071192.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2034-12-12
AI Technical Summary
Existing clamps cannot meet the clamping requirements of coils of different sizes when welding coils, and the adjustment range is limited.
An adjustable spot welding fixture was designed. The distance between the fixture bodies is adjusted by rotating the first handle to drive the bidirectional lead screw. The rotation of the fixture body is achieved by using a damping shaft. Combined with the receiving groove and the second handle, the lead screw adjusts the pressure plate. The coil is positioned and clamped by the spring pressing seat.
It achieves self-adaptive clamping based on coil size, improving positioning accuracy and clamping range during electric welding, and meeting the welding needs of coils of different sizes.
Smart Images

Figure CN223819927U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of fixtures, and in particular to an adjustable spot welding fixture. Background Technology
[0002] A coil typically refers to a toroidal wire winding. It can be classified by inductance type: fixed inductor, variable inductor; by magnetic material properties: air-core coil, ferrite coil, iron-core coil, copper-core coil; by function: antenna coil, oscillator coil, choke coil, trap coil, deflector coil; and by winding structure: single-layer coil, multi-layer coil, honeycomb coil.
[0003] When the coil is used for electric welding, it needs to be clamped. However, the size of the coil and the welding requirements are different. The existing clamps have limited adjustable range and cannot meet the needs of various electric welding operations for clamping the coil.
[0004] Therefore, it is necessary to propose an adjustable spot welding fixture to solve the above problems. Utility Model Content
[0005] The main objective of this invention is to provide an adjustable spot welding fixture, which can effectively solve the problems in the background art.
[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:
[0007] An adjustable spot welding fixture includes a loading seat, a movable groove is provided in the center of the top of the loading seat, movable blocks are symmetrically and movably connected to both sides of the inner cavity of the movable groove, a damping shaft is installed in the center of the top of the movable blocks, and a fixture body is installed on the top of the damping shaft.
[0008] A receiving groove is provided in the center of the top of the clamp body, a pressure plate is movably connected in the inner cavity of the receiving groove, and a pressing seat is movably connected in the inner cavity of the pressure plate.
[0009] Preferably, a bidirectional lead screw is rotatably connected to the inner cavity of the movable groove, a first rotating handle is installed on the right side of the bidirectional lead screw, the first rotating handle is rotatably connected to the right side of the loading seat, and the movable block is threadedly connected to the outer wall of the bidirectional lead screw.
[0010] Preferably, an adjustment groove is provided in the center of both sides of the inner cavity of the receiving groove, a guide rod is installed in the inner cavity of one side of the adjustment groove, and a lead screw is rotatably connected in the inner cavity of the other side of the adjustment groove, and a second rotating handle is installed on the right side of the top of the clamp body.
[0011] Preferably, the second rotating handle is installed on the top of the lead screw, and adjusting blocks are symmetrically installed on both sides of the pressure plate. The adjusting blocks are movably connected in the inner cavity of the adjusting groove. One side of the adjusting block is sleeved on the outer wall of the guide rod, and the other side of the adjusting block is threadedly connected to the outer wall of the lead screw.
[0012] Preferably, a through groove is provided in the center of the pressure plate, and adjustment grooves are symmetrically installed around the inner cavity of the through groove. Extrusion grooves are symmetrically provided at both ends of both sides of the extrusion seat. A fixing rod is installed in the inner cavity of the extrusion groove, and a spring is wound around the outer wall of the fixing rod.
[0013] Preferably, the extrusion block is movably connected in the inner cavity of the extrusion groove and sleeved on the outer wall of the fixing rod, one end of the spring is installed in the inner cavity of the extrusion groove, the other end of the spring is installed on the outer wall of the extrusion block, and the extrusion seat is movably connected in the inner cavity of the receiving groove.
[0014] Compared with the prior art, the present invention has the following beneficial effects:
[0015] 1. This adjustable spot welding fixture, by rotating the first rotating handle, can drive the bidirectional lead screw to rotate, so that the movable block can be threadedly connected with it. At this time, the distance between the two fixture bodies can be adjusted. When welding the coil, the position of the fixture body can be adjusted according to its size to achieve a fitting effect. The damping rotating shaft can make the fixture body rotate, which can further meet the welding requirements.
[0016] 2. This adjustable spot welding fixture, through the set receiving groove, allows the coil to be placed in its inner cavity. By rotating the set second rotating handle, the lead screw can be rotated, so that the adjusting block on one side can be threaded to it. At this time, the pressure plate can be moved. The pressure plate, together with the extrusion seat, can perform positioning processing on the coil in the inner cavity of the receiving groove.
[0017] 3. This adjustable spot welding fixture, through the spring it is equipped with, can constantly push the extrusion seat into the inner cavity of the receiving groove, so that the extrusion seat can improve the positioning range of the coil and effectively improve the clamping range of the coil. Attached Figure Description
[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 structure of the loading seat of this utility model;
[0020] Figure 3 This is a schematic diagram of the structure of the clamp body of this utility model;
[0021] Figure 4 This is a schematic diagram of the structure of the pressure plate of this utility model.
[0022] In the diagram: 1. Loading seat; 2. First rotating handle; 3. Movable groove; 4. Two-way lead screw; 5. Movable block; 6. Damping shaft; 7. Fixture body; 8. Second rotating handle; 9. Receiving groove; 10. Adjusting groove; 11. Pressure plate; 12. Adjusting block; 13. Lead screw; 14. Guide rod; 15. Through groove; 16. Extrusion block; 17. Extrusion seat; 18. Extrusion groove; 19. Fixed rod; 20. Spring. Detailed Implementation
[0023] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0024] like Figures 1-4 As shown, an adjustable spot welding fixture includes a loading base 1. A movable groove 3 is formed in the center of the top of the loading base 1. Movable blocks 5 are symmetrically and movably connected to both sides of the inner cavity of the movable groove 3. A damping shaft 6 is installed in the center of the top of the movable blocks 5. A fixture body 7 is installed on the top of the damping shaft 6. A receiving groove 9 is formed in the center of the top of the fixture body 7. A pressure plate 11 is movably connected to the inner cavity of the receiving groove 9. A pressing seat 17 is movably connected to the inner cavity of the pressure plate 11. A bidirectional lead screw 4 is rotatably connected to the inner cavity of the movable groove 3. A first rotating handle 2 is installed on the right side of the bidirectional lead screw 4 and rotatably connected to the right side of the loading base 1. The movable blocks 5 are threaded to the outer wall of the bidirectional lead screw 4. Adjustment grooves 10 are formed in the center of both sides of the inner cavity of the receiving groove 9. A guide rod 14 is installed in the inner cavity of one adjustment groove 10, and a lead screw 13 is rotatably connected to the inner cavity of the other adjustment groove 10. The fixture body 7 is top... A second rotating handle 8 is installed on the right side of the part, and the second rotating handle 8 is installed on the top of the lead screw 13. Adjusting blocks 12 are symmetrically installed on both sides of the pressure plate 11. The adjusting blocks 12 are movably connected in the inner cavity of the adjusting groove 10. One side of the adjusting block 12 is sleeved on the outer wall of the guide rod 14, and the other side of the adjusting block 12 is threadedly connected to the outer wall of the lead screw 13. A through groove 15 is opened in the center of the pressure plate 11. Adjusting grooves 10 are symmetrically installed around the inner cavity of the through groove 15. Extrusion grooves 18 are symmetrically opened at both ends of both sides of the extrusion seat 17. A fixing rod 19 is installed in the inner cavity of the extrusion groove 18. A spring 20 is wound around the outer wall of the fixing rod 19. The extrusion block 16 is movably connected in the inner cavity of the extrusion groove 18 and sleeved on the outer wall of the fixing rod 19. One end of the spring 20 is installed in the inner cavity of the extrusion groove 18, and the other end of the spring 20 is installed in the outer wall of the extrusion block 16. The extrusion seat 17 is movably connected in the inner cavity of the receiving groove 9.
[0025] Rotating the first handle 2 drives the bidirectional lead screw 4 to rotate, allowing the movable block 5 to connect with it threadedly. This allows the spacing between the two clamp bodies 7 to be adjusted. When welding the coil, the position of the clamp body 7 can be adjusted according to its size to achieve a matching effect. The damping shaft 6 allows the clamp body 7 to rotate, further meeting welding requirements. The receiving groove 9 allows the coil to be placed in its inner cavity. Rotating the second handle 8 drives the lead screw 13 to rotate, allowing the adjusting block 12 on one side to connect with it threadedly. This allows the pressure plate 11 to move. The pressure plate 11, in conjunction with the extrusion seat 17, positions the coil in the inner cavity of the receiving groove 9. The spring 20 constantly pushes the extrusion seat 17 into the inner cavity of the receiving groove 9, increasing the positioning range of the coil and effectively improving the clamping range of the coil.
[0026] It should be noted that this utility model is an adjustable spot welding fixture. When in use, rotating the first rotating handle 2 drives the bidirectional lead screw 4 to rotate in the inner cavity of the movable groove 3, so that the movable block 5 can be threadedly connected to the bidirectional lead screw 4, allowing the distance between the two fixture bodies 7 to be adjusted. After adjustment, the fixture body 7 is rotated through the damping rotating shaft 6 to adjust the receiving groove 9 to a suitable angle. The coil is placed in the inner cavity of the receiving groove 9. Rotating the second rotating handle 8 drives the lead screw 13 to rotate, so that the adjusting block 12 on one side can be threadedly connected to it. At this time, the pressure plate 11 can drive the extrusion seat 17 to press down, so that the extrusion seat 17 can clamp the coil in the inner cavity of the receiving groove 9.
[0027] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. An adjustable spot welding fixture, comprising a loading base (1), characterized in that: The loading seat (1) has a movable groove (3) in the center of its top. Movable blocks (5) are symmetrically connected to both sides of the inner cavity of the movable groove (3). A damping shaft (6) is installed in the center of the top of the movable block (5). A clamp body (7) is installed on the top of the damping shaft (6). The clamp body (7) has a receiving groove (9) in the center of its top. A pressure plate (11) is movably connected in the inner cavity of the receiving groove (9). A pressing seat (17) is movably connected in the inner cavity of the pressure plate (11).
2. The adjustable spot welding fixture according to claim 1, characterized in that: A bidirectional lead screw (4) is rotatably connected to the inner cavity of the movable groove (3). A first rotating handle (2) is installed on the right side of the bidirectional lead screw (4). The first rotating handle (2) is rotatably connected to the right side of the loading seat (1). The movable block (5) is threadedly connected to the outer wall of the bidirectional lead screw (4).
3. An adjustable spot welding fixture according to claim 1, characterized in that: An adjustment groove (10) is provided in the center of both sides of the inner cavity of the receiving groove (9). A guide rod (14) is installed in the inner cavity of one side of the adjustment groove (10), and a lead screw (13) is rotatably connected in the inner cavity of the other side of the adjustment groove (10). A second rotating handle (8) is installed on the right side of the top of the clamp body (7).
4. An adjustable spot welding fixture according to claim 3, characterized in that: The second rotating handle (8) is installed on the top of the lead screw (13). Adjusting blocks (12) are symmetrically installed on both sides of the pressure plate (11). The adjusting blocks (12) are movably connected in the inner cavity of the adjusting groove (10). One side of the adjusting block (12) is sleeved on the outer wall of the guide rod (14), and the other side of the adjusting block (12) is threaded to the outer wall of the lead screw (13).
5. An adjustable spot welding fixture according to claim 1, characterized in that: A through groove (15) is provided in the center of the pressure plate (11). Adjustment grooves (10) are symmetrically installed around the inner cavity of the through groove (15). Extrusion grooves (18) are symmetrically provided at both ends of the extrusion seat (17). A fixing rod (19) is installed in the inner cavity of the extrusion groove (18). A spring (20) is wound around the outer wall of the fixing rod (19).
6. An adjustable spot welding fixture according to claim 5, characterized in that: The extrusion block (16) is movably connected in the inner cavity of the extrusion groove (18) and sleeved on the outer wall of the fixing rod (19). One end of the spring (20) is installed in the inner cavity of the extrusion groove (18), and the other end of the spring (20) is installed on the outer wall of the extrusion block (16). The extrusion seat (17) is movably connected in the inner cavity of the receiving groove (9).