Rapid clamping tool for assembling metal fittings
By using a U-shaped plate and a motor-driven worm gear structure, the shortcomings of traditional clamping fixtures in multi-angle adjustment are solved, enabling rapid and precise assembly of metal parts, which is suitable for precision machinery and high-end equipment manufacturing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANDONG MEITE JINGGONG MFG CO LTD
- Filing Date
- 2025-06-18
- Publication Date
- 2026-05-15
AI Technical Summary
Traditional clamping fixtures are difficult to adjust metal parts at multiple angles, resulting in low efficiency and inaccurate angles when assembling at specific angles, which affects product performance.
It adopts a combination structure of U-shaped plate, cylinder, slider, double screw, worm gear and other components, combined with motor and hydraulic cylinder, to achieve multi-angle adjustment and flexible adjustment of clamping range.
It enables rapid and precise angle adjustment of metal parts, improving assembly quality and production efficiency, and is suitable for precision machinery and high-end equipment manufacturing.
Smart Images

Figure CN224239417U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of metal parts assembly technology, and in particular to a quick clamping tool for assembling metal parts. Background Technology
[0002] In many industries such as machinery manufacturing, automotive, and aerospace, the assembly of metal parts is a critical step in product production. Various metal parts, including bracket welding, locking plates, main valve mounting plates, base plates, supports, bend plates, protective covers, and engine hood welded components, are widely used in different equipment and systems. Their assembly quality and efficiency directly affect product performance and production efficiency.
[0003] Traditional clamping fixtures are difficult to adjust metal parts at multiple angles. In some scenarios that require assembly at specific angles, such as the assembly of metal parts in the aerospace field, manual adjustment is not only inefficient, but also makes it difficult to ensure the accuracy of the angle, resulting in the parts not fitting precisely and affecting product performance. Utility Model Content
[0004] The purpose of this invention is to solve the problem that existing clamping fixtures are difficult to adjust metal parts at multiple angles. In some scenarios where specific angles are required for assembly, manual adjustment is not only inefficient but also makes it difficult to ensure the accuracy of the angles, resulting in the parts not being able to fit together precisely and affecting product performance. Therefore, this invention proposes a quick clamping fixture for assembling metal parts.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: a quick clamping fixture for assembling metal parts, comprising a U-shaped plate, a working plate between the U-shaped plates, round holes on both sides of the U-shaped plate, cylinders embedded and rotatably connected to the inside of the round holes, the cylinders being fixedly connected to the working plate, four sliding holes inside the working plate, sliders embedded and slidably connected to the four sliding holes, two L-shaped plates on the surface of the working plate, the L-shaped plates being fixedly connected to the sliders, a bidirectional screw rotatably connected to the inside of the upper sliding hole, both ends of the bidirectional screw passing through the slider and threadedly connected to it, a square cavity on the inner wall of one of the round holes, a worm gear sleeved and fixedly connected to the surface of the cylinder and located inside the square cavity, a rotating rod inside the square cavity and located below the worm gear, a worm gear sleeved and fixedly connected to the surface of the rotating rod, the worm gear meshing with the worm gear.
[0006] Preferably, mounting plates are fixedly installed on both sides of the U-shaped plate near the bottom, and each mounting plate has two mounting holes on its surface.
[0007] Preferably, a second motor is embedded and fixedly connected to the inner wall of one end of one of the sliding holes, and the output end of the second motor is fixedly connected to one end of the bidirectional screw.
[0008] Preferably, a fixing rod is embedded and fixedly connected inside the sliding hole below, and both ends of the fixing rod pass through the slider and are slidably connected to it.
[0009] Preferably, both ends of the rotating rod penetrate the inner wall of the square cavity and are rotatably connected to its bearing. A first motor is fixedly connected to the surface of the U-shaped plate, and the output end of the first motor is fixedly connected to one end of the rotating rod.
[0010] Preferably, a fixing plate is fixedly connected to the surface of the working plate and near the top and bottom.
[0011] Preferably, a square hole is provided inside the inner wall of the U-shaped plate near the bottom. A hydraulic cylinder is embedded and fixedly connected to the top inner wall of the square hole near the center. A lifting plate is fixedly connected to the output end of the hydraulic cylinder. Universal wheels are fixedly connected to the bottom of the lifting plate near both ends.
[0012] Preferably, the surface of the lifting plate and near both ends are slidably connected with limit rods, and both ends of the limit rods are fixedly connected to the top and bottom inner walls of the square hole.
[0013] Preferably, the inner walls of the L-shaped plates are all fixedly connected with protective pads.
[0014] Preferably, the top of the U-shaped plate and both ends of the lifting plate are rounded.
[0015] Compared with the prior art, the advantages and positive effects of this utility model are as follows:
[0016] 1. In this utility model, the combination of components such as rotating rod, worm gear and worm can realize multi-angle flexible adjustment of clamping parts. During the assembly process, the operator can quickly and accurately adjust the angle of the parts according to actual needs, ensuring the precise assembly between parts, improving the assembly quality and performance of the product, and is especially suitable for the precision machinery and high-end equipment manufacturing fields with high requirements for angle accuracy.
[0017] 2. In this utility model, the sliding hole, bidirectional screw, slider, and L-shaped plate that can be moved can facilitate the adjustment of the clamping range, thereby adapting to metal parts of different sizes. This reduces the time and cost associated with changing tooling, improves production efficiency, and meets diverse production needs.
[0018] 3. In this utility model, when it is necessary to move the device, the lifting plate can be lowered by the hydraulic cylinder, so that the casters can support the device, and the device can be moved and its position adjusted conveniently. Attached Figure Description
[0019] Figure 1 This utility model provides a three-dimensional view of the overall structure of a quick-clamping tool for assembling metal parts;
[0020] Figure 2 This utility model provides a cross-sectional view of the overall structure of a quick-clamping tool for assembling metal parts;
[0021] Figure 3 This utility model provides a partial three-dimensional view of a quick-clamping tool for assembling metal parts;
[0022] Figure 4 A three-dimensional view of a worm gear structure for a quick clamping tool for assembling metal parts is provided for this utility model;
[0023] Figure 5 This utility model presents a three-dimensional view of a moving structure for a quick-clamping tooling for assembling metal parts.
[0024] Legend: 1. U-shaped plate; 2. Mounting plate; 3. Mounting hole; 4. Working plate; 5. Round hole; 6. Cylindrical rod; 7. Sliding hole; 8. Bidirectional screw; 9. Slider; 10. L-shaped plate; 11. Protective pad; 12. Fixing plate; 13. Square cavity; 14. Worm gear; 15. Rotating rod; 16. Worm gear; 17. First motor; 18. Square hole; 19. Lifting plate; 20. Hydraulic cylinder; 21. Universal wheel; 22. Limiting rod; 23. Second motor; 24. Fixing rod. Detailed Implementation
[0025] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.
[0026] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.
[0027] Example 1, as Figure 1-5As shown, this utility model provides a quick clamping fixture for assembling metal parts, including a U-shaped plate 1, a working plate 4 between the U-shaped plates 1, and round holes 5 on both sides of the U-shaped plate 1. A cylinder 6 is embedded in and rotatably connected to the round hole 5, and the cylinder 6 is fixedly connected to the working plate 4. Four sliding holes 7 are opened inside the working plate 4, and sliders 9 are embedded in and slidably connected to the four sliding holes 7. Two L-shaped plates 10 are provided on the surface of the working plate 4, and the L-shaped plates 10 are fixedly connected to the sliders 9. A double-headed screw 8 is rotatably connected to the upper sliding hole 7, and both ends of the double-headed screw 8 pass through the slider 9 and are threaded to it. A square cavity 13 is opened in the inner wall of one of the round holes 5. A worm gear 14 is sleeved and fixedly connected to the surface of the cylinder 6 and located inside the square cavity 13. A rotating rod 15 is provided inside the square cavity 13 and below the worm gear 14. A worm 16 is sleeved and fixedly connected to the surface of the rotating rod 15. The worm gear 14 and the worm 16 are meshed and connected.
[0028] The overall effect of embodiment 1 is as follows: a working plate 4 is provided between the U-shaped plates 1. Circular holes 5 are provided on both side walls of the U-shaped plates 1. A cylinder 6 is embedded in and rotatably connected to the inside of each circular hole 5. The cylinder 6 is fixedly connected to the working plate 4, thus limiting the movement of both ends of the working plate 4. Four sliding holes 7 are provided inside the working plate 4. A slider 9 is embedded in and slidably connected to the inside of each sliding hole 7. Two L-shaped plates 10 are provided on the surface of the working plate 4. Both L-shaped plates 10 are fixedly connected to the slider 9. A bidirectional screw 8 is rotatably connected to the inside of the upper sliding hole 7. Both ends of the bidirectional screw 8 pass through the slider 9 and are connected to the slider 9. Its threaded connection allows the bidirectional screw 8 to rotate, which in turn drives the slider 9 to move. The movement of the slider 9 in turn drives the L-shaped plate 10 to move. A square cavity 13 is formed in the inner wall of one of the round holes 5. A worm gear 14 is fitted and fixedly connected to the surface of the cylinder 6 inside the square cavity 13. A rotating rod 15 is provided inside the square cavity 13 and below the worm gear 14. A worm 16 is fitted and fixedly connected to the surface of the rotating rod 15. The worm gear 14 and the worm 16 are meshed and connected, which allows the rotating rod 15 to rotate, which in turn drives the worm gear 14 to rotate, and the worm gear 14 to rotate, which in turn drives the cylinder 6 to rotate.
[0029] Example 2, as Figure 1-5As shown, mounting plates 2 are fixedly installed on both sides of the U-shaped plate 1 near the bottom. Each mounting plate 2 has two mounting holes 3 on its surface. A second motor 23 is embedded and fixedly connected to one end of a sliding hole 7. The output end of the second motor 23 is fixedly connected to one end of a bidirectional screw 8. A fixing rod 24 is embedded and fixedly connected inside the lower sliding hole 7. Both ends of the fixing rod 24 pass through the slider 9 and are slidably connected to it. Both ends of the rotating rod 15 pass through the inner wall of the square cavity 13 and are rotatably connected to its bearing. A first motor 17 is fixedly connected to the surface of the U-shaped plate 1. The output end of the first motor 17 is fixedly connected to one end of the rotating rod 15. The surface of the working plate 4... A fixing plate 12 is fixedly connected to the surface near the top and bottom of the U-shaped plate 1; a square hole 18 is opened in the inner wall of the U-shaped plate 1 near the bottom, and a hydraulic cylinder 20 is embedded and fixedly connected to the top inner wall of the square hole 18 near the center. A lifting plate 19 is fixedly connected to the output end of the hydraulic cylinder 20. A caster wheel 21 is fixedly connected to the bottom of the lifting plate 19 near both ends; a limit rod 22 is slidably connected through the surface of the lifting plate 19 near both ends, and both ends of the limit rod 22 are fixedly connected to the top and bottom inner walls of the square hole 18; a protective pad 11 is fixedly connected to the inner wall of the L-shaped plate 10; the top of the U-shaped plate 1 and both ends of the lifting plate 19 are rounded.
[0030] The overall effect of embodiment 2 is as follows: Mounting plates 2 are fixedly installed on both sides of the U-shaped plate 1 near the bottom. Each mounting plate 2 has two mounting holes 3 on its surface, which can effectively fix the U-shaped plate 1. A second motor 23 is embedded and fixedly connected to the inner wall of one end of a sliding hole 7. The output end of the second motor 23 is fixedly connected to one end of a bidirectional screw 8, which can drive the bidirectional screw 8 to rotate. A fixing rod 24 is embedded and fixedly connected inside the lower sliding hole 7. Both ends of the fixing rod 24 pass through the slider 9 and are slidably connected to it, which can limit the L-shaped plate 10. Both ends of the rotating rod 15 pass through the inner wall of the square cavity 13 and are rotatably connected to its bearing. A first motor 17 is fixedly connected to the surface of the U-shaped plate 1. The output end of the first motor 17 is fixedly connected to one end of the rotating rod 15, which can drive the rotating rod 15 to rotate. The working plate 4 is fixedly installed on its surface near the top and bottom. A fixed plate 12 is fixedly connected to the U-shaped plate 1, which can place metal parts and facilitate clamping. A square hole 18 is opened in the inner wall of the U-shaped plate 1 near the bottom. A hydraulic cylinder 20 is embedded and fixedly connected to the top inner wall of the square hole 18 near the center. The output end of the hydraulic cylinder 20 is fixedly connected to a lifting plate 19. Universal wheels 21 are fixedly connected to the bottom of the lifting plate 19 near both ends. This allows the hydraulic cylinder 20 to push the lifting plate 19 down, so that the universal wheels 21 can be in contact with the ground for easy movement. Limiting rods 22 are slidably connected through the surface of the lifting plate 19 near both ends. The two ends of the limiting rods 22 are fixedly connected to the top and bottom inner walls of the square hole 18, which can limit the lifting plate 19. Protective pads 11 are fixedly connected to the inner wall of the L-shaped plate 10, which can facilitate clamping and protecting the metal parts. The top of the U-shaped plate 1 and the two ends of the lifting plate 19 are rounded, which can improve the edge safety of the device.
[0031] Working principle: The hydraulic cylinder 20 pushes the lifting plate 19 down, allowing the casters 21 to contact the ground for easy movement. When the device moves to the assembly area, the hydraulic cylinder 20 can lift the lifting plate 19, which is then fixed in place by the mounting plate 2 and mounting holes 3. By placing the metal parts on the fixed plate 12, the second motor 23 can drive the bidirectional screw 8 to rotate. The rotation of the bidirectional screw 8 can drive the slider 9 to move, and the movement of the slider 9 can drive the L-shaped plate 10 to move and clamp and fix the metal parts. When the angle needs to be adjusted, the first motor 17 can drive the rotating rod 15 to rotate. The rotation of the rotating rod 15 can drive the worm gear 16 to rotate, and the rotation of the worm gear 16 can drive the worm wheel 14 to rotate. The rotation of the worm wheel 14 can drive the cylinder 6 to rotate, and the rotation of the cylinder 6 can drive the working plate 4 to rotate, thus adjusting the angle of the metal parts and facilitating the assembly process for the workers.
[0032] The wiring diagrams of the first motor 17, hydraulic cylinder 20, and second motor 23 in this utility model are common knowledge in the field. Their working principles are known technologies. The appropriate model is selected according to actual use. Therefore, the control methods and wiring arrangements of the first motor 17, hydraulic cylinder 20, and second motor 23 will not be explained in detail.
[0033] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.
Claims
1. A quick clamping fixture for assembling metal parts, comprising a U-shaped plate (1), characterized in that: A working plate (4) is provided between the U-shaped plates (1). Circular holes (5) are provided on both sides of the U-shaped plates (1). A cylinder (6) is embedded in and rotatably connected to the circular holes (5). The cylinders (6) are fixedly connected to the working plate (4). Four sliding holes (7) are provided inside the working plate (4). A slider (9) is embedded in and slidably connected to the four sliding holes (7). Two L-shaped plates (10) are provided on the surface of the working plate (4). The L-shaped plates (10) are fixedly connected to the sliders (9). The upper sliding holes (7)... The internal bearing of the cylinder (6) is rotatably connected to a bidirectional screw (8). Both ends of the bidirectional screw (8) pass through the slider (9) and are threadedly connected to it. A square cavity (13) is opened in the inner wall of one of the circular holes (5). A worm wheel (14) is sleeved and fixedly connected to the surface of the cylinder (6) and inside the square cavity (13). A rotating rod (15) is provided inside the square cavity (13) and below the worm wheel (14). A worm (16) is sleeved and fixedly connected to the surface of the rotating rod (15). The worm wheel (14) and the worm (16) are meshed and connected.
2. The quick-clamping tooling for assembling metal parts according to claim 1, characterized in that: Mounting plates (2) are fixedly installed on both sides of the U-shaped plate (1) and near the bottom. Two mounting holes (3) are opened on the surface of each mounting plate (2).
3. The quick-clamping tooling for assembling metal parts according to claim 1, characterized in that: One of the sliding holes (7) has a second motor (23) embedded and fixedly connected to the inner wall of one end, and the output end of the second motor (23) is fixedly connected to one end of the bidirectional screw (8).
4. The quick-clamping tooling for assembling metal parts according to claim 1, characterized in that: A fixing rod (24) is embedded and fixedly connected inside the sliding hole (7) below. Both ends of the fixing rod (24) pass through the slider (9) and are slidably connected to it.
5. The quick-clamping tooling for assembling metal parts according to claim 1, characterized in that: Both ends of the rotating rod (15) penetrate the inner wall of the square cavity (13) and are rotatably connected to its bearing. The surface of the U-shaped plate (1) is fixedly connected to the first motor (17), and the output end of the first motor (17) is fixedly connected to one end of the rotating rod (15).
6. The quick-clamping tooling for assembling metal parts according to claim 1, characterized in that: The surface of the working plate (4) and near the top and bottom are fixedly connected to a fixing plate (12).
7. The quick-clamping tooling for assembling metal parts according to claim 1, characterized in that: A square hole (18) is provided inside the inner wall of the U-shaped plate (1) near the bottom. A hydraulic cylinder (20) is embedded and fixedly connected to the top inner wall of the square hole (18) near the center. A lifting plate (19) is fixedly connected to the output end of the hydraulic cylinder (20). A universal wheel (21) is fixedly connected to the bottom of the lifting plate (19) near both ends.
8. The quick-clamping tooling for assembling metal parts according to claim 7, characterized in that: The surface of the lifting plate (19) and near both ends are connected to a limit rod (22), and both ends of the limit rod (22) are fixedly connected to the top and bottom inner walls of the square hole (18).
9. The quick-clamping tooling for assembling metal parts according to claim 1, characterized in that: The inner walls of the L-shaped plate (10) are all fixedly connected with protective pads (11).
10. The quick-clamping tooling for assembling metal parts according to claim 1, characterized in that: The top of the U-shaped plate (1) and both ends of the lifting plate (19) are rounded.