Welding positioning clamp

Abstract

The utility model discloses a welding positioning fixture, which belongs to the technical field of welding fixtures and comprises a fixing frame and a fixture mounting box, a rotating shaft is rotatably mounted on the inner wall of one side of the fixture mounting box, a rotating disc is fixedly mounted on one side of the rotating shaft, and connecting rockers are rotatably mounted at four corners of one side of the rotating disc; moving frames are slidably mounted at the four corners of the inner side of the clamp mounting box, when two materials need to be welded, the positions of a fixed box and a moving protruding block can be slidably adjusted according to the lengths of the materials, after adjustment is completed, a second rotary knob can be controlled to drive a threaded rod to rotate, the threaded rod can make an anti-skid pad attached to a fixed frame, and the anti-skid pad can be clamped to the fixed frame. Materials are placed on one side of the clamp mounting box, the distance of the sliding rod on the inner side of the mounting plate can be adjusted according to the shape of the materials, and the distances between the clamping plates and the materials are the same.

Description

Technical Field

[0001] This utility model relates to the field of welding fixture technology, and specifically to a welding positioning fixture. Background Technology

[0002] Welding, also known as fusion welding, is a manufacturing process and technology that joins metals or other thermoplastic materials such as plastics by heating, high temperature, or high pressure. Modern welding utilizes a variety of energy sources, including gas flames, electric arcs, lasers, electron beams, friction, and ultrasound.

[0003] CN212552511U discloses a welding positioning fixture, which includes two parallel fixing plates. Each fixing plate has a support plate vertically fixed at its upper end. The two support plates are rotatably connected to a mounting plate via a pivot. One end of the mounting plate is provided with two stop bars, which are vertically arranged and have a gap at their close ends. The end of the mounting plate away from the stop bars is vertically fixed with an ear plate. A threaded rod is threaded through the ear plate and connected to the ear plate.

[0004] In the existing technology, it is difficult to splice and fix devices of different sizes in this device. Only a single material can be clamped and fixed. However, welding requires the connection of multiple materials, so the operator needs to manually hold another material to operate, which makes the work efficiency low. Therefore, this device provides a welding positioning fixture. Utility Model Content

[0005] The purpose of this utility model is to provide a welding positioning fixture to address the shortcomings of the existing technology and solve the aforementioned technical problems.

[0006] The present invention adopts the following technical solution: a welding positioning fixture, comprising a fixed frame and a fixture mounting box, wherein a rotating shaft is rotatably mounted on one side of the inner wall of the fixture mounting box, a rotating disk is fixedly mounted on one side of the rotating shaft, and connecting rockers are rotatably mounted on the four corners of one side of the rotating disk;

[0007] The fixture mounting box has a movable frame slidably mounted on its four inner corners. One end of the connecting rocker arm is rotatably mounted on one side of the movable frame, and a mounting plate is fixedly mounted on one side of the movable frame.

[0008] A sliding rod is slidably mounted on the inner side of the mounting plate, a locking bolt is threaded onto one side of the mounting plate, a first knob is fixedly mounted on one side of the locking bolt, and a clamping plate is fixedly mounted on one side of the sliding rod.

[0009] As a further improvement to the above solution, movable protrusions are slidably installed on the left and right sides of the inner side of the fixed frame, a fixed box is fixedly installed on the top of the movable protrusions, a motor is fixedly installed on the bottom inner wall of the fixed box, a lead screw is fixedly installed on the output end of the motor, a movable seat is threaded on the outer side of the lead screw, and the clamp mounting box is fixedly installed on one side of the movable seat.

[0010] As a further improvement to the above solution, a fixing plate is fixedly installed on one side of the fixing box, a threaded rod is threaded on the inner side of the fixing plate, a second knob is fixedly installed on the top of the threaded rod, and an anti-slip pad is rotatably installed on the bottom of the threaded rod.

[0011] As a further improvement to the above solution, a worm gear is rotatably mounted on the inner side of the fixture mounting box, an operating handle is fixedly mounted on one side of the worm gear, and a worm wheel is fixedly mounted on the outer side of the rotating shaft, with the worm gear and the worm wheel meshing together.

[0012] As a further improvement to the above solution, the outer side of the fixture mounting box is provided with multiple guide limiting grooves, and the movable frame is slidably installed on the inner side of the guide limiting grooves.

[0013] As a further improvement to the above solution, a through groove is provided at the connection between the connecting rocker arm and the rotating disk and the moving frame, and a fixing pin is provided on the inner side of the through groove.

[0014] The above-mentioned technical solutions adopted in the embodiments of this utility model can achieve the following beneficial effects:

[0015] 1. When welding two materials, the position of the fixed box and the moving protrusion can be adjusted by sliding according to the length of the material. After adjustment, the second knob can be controlled to drive the threaded rod to rotate. The threaded rod can make the anti-slip pad fit with the fixed frame, so that the fixed box is not easy to move during the welding process. Place the material on one side of the fixture mounting box. According to the shape of the material, the distance of the sliding rod on the inside of the mounting plate can be adjusted to make the distance between the clamping plate and the material the same.

[0016] Second, after the rotating disk rotates, it can drive multiple moving frames and mounting plates to slide through multiple connecting rockers. After the mounting plate moves, it can allow the sliding rod and clamping plate to clamp and fix the material, so that the device can clamp materials of different shapes, making the clamping range wide. Attached Figure Description

[0017] The accompanying drawings, which are included to provide a further understanding of the present invention and constitute a part of this invention, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0019] Figure 2 This is a partial three-dimensional structural diagram of the movable protrusion and anti-slip pad in this utility model;

[0020] Figure 3 This is a partial three-dimensional structural diagram of the sliding rod and clamping plate in this utility model;

[0021] Figure 4 This is a partial structural diagram of the rotating shaft and rotating disk in this utility model.

[0022] Figure Labels

[0023] 1. Fixed frame; 2. Fixture mounting box; 3. Rotary disc; 4. Connecting rocker arm; 5. Moving frame; 6. Mounting plate; 7. Sliding rod; 8. Locking bolt; 9. First knob; 10. Clamping plate; 11. Moving protrusion; 12. Fixed box; 13. Motor; 14. Lead screw; 15. Moving seat; 16. Fixed plate; 17. Threaded rod; 18. Second knob; 19. Anti-slip pad; 20. Worm gear; 21. Operating handle; 22. Worm wheel; 23. Rotating shaft. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below in conjunction with specific embodiments and corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0025] The technical solutions provided by the various embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0026] This utility model embodiment provides a welding positioning fixture, including a fixed frame 1 and a fixture mounting box 2. A rotating shaft 23 is rotatably mounted on one side of the inner wall of the fixture mounting box 2. A rotating disk 3 is fixedly mounted on one side of the rotating shaft 23. Connecting rocker arms 4 are rotatably mounted on the four corners of one side of the rotating disk 3.

[0027] A movable frame 5 is slidably installed at the four corners of the inner side of the fixture mounting box 2. One end of the connecting rocker 4 is rotatably installed on one side of the movable frame 5, and a mounting plate 6 is fixedly installed on one side of the movable frame 5.

[0028] A sliding rod 7 is slidably installed on the inner side of the mounting plate 6. A locking bolt 8 is threaded on one side of the mounting plate 6. A first knob 9 is fixedly installed on one side of the locking bolt 8. A clamping plate 10 is fixedly installed on one side of the sliding rod 7.

[0029] Furthermore, after the rotating disk 3 rotates, it can drive multiple movable frames 5 and mounting plates 6 to slide through multiple connecting rocker arms 4. After the mounting plate 6 moves, it can allow the sliding rod 7 and clamping plate 10 to clamp and fix the material, thereby enabling the device to clamp materials of different shapes, resulting in a wide clamping range.

[0030] In a further preferred embodiment of this utility model, movable protrusions 11 are slidably installed on the left and right sides of the inner side of the fixed frame 1, a fixed box 12 is fixedly installed on the top of the movable protrusions 11, a motor 13 is fixedly installed on the bottom inner wall of the fixed box 12, a lead screw 14 is fixedly installed on the output end of the motor 13, a movable seat 15 is threaded on the outer side of the lead screw 14, and a clamp mounting box 2 is fixedly installed on one side of the movable seat 15.

[0031] Furthermore, the lead screw 14 can drive the fixed box 12 to rise or fall through the threaded connection, thereby allowing the fixed box 12 to adjust the height of the clamp mounting box 2, which makes it easier for workers to weld the clamped materials.

[0032] In a further preferred embodiment of the present invention, a fixing plate 16 is fixedly installed on one side of the fixing box 12, a threaded rod 17 is threadedly installed on the inner side of the fixing plate 16, a second knob 18 is fixedly installed on the top of the threaded rod 17, and an anti-slip pad 19 is rotatably installed on the bottom of the threaded rod 17.

[0033] Furthermore, when welding two materials, the positions of the fixed box 12 and the movable protrusion 11 can be adjusted by sliding according to the length of the materials. After adjustment, the second knob 18 can be controlled to drive the threaded rod 17 to rotate. The threaded rod 17 allows the anti-slip pad 19 to fit against the fixed frame 1, so that the fixed box 12 is not easy to move during the welding process.

[0034] In a further preferred embodiment of the present invention, a worm gear 20 is rotatably mounted on the inner side of the clamp mounting box 2, an operating handle 21 is fixedly mounted on one side of the worm gear 20, and a worm wheel 22 is fixedly mounted on the outer side of the rotating shaft 23, with the worm gear 20 and the worm wheel 22 meshing with each other.

[0035] Furthermore, the worm gear 22 and worm 20 are self-locking, which makes it easier for the clamping plate 10 to not loosen or detach during the welding process.

[0036] In a further preferred embodiment of the present invention, a plurality of guide limiting grooves are provided on the outer side of the clamp mounting box 2, and the movable frame 5 is slidably mounted on the inner side of the guide limiting grooves.

[0037] Furthermore, the guide and limiting groove facilitates the guidance of the movable frame 5, allowing the movable frame 5 to slide only inside the groove after being subjected to force.

[0038] In a further preferred embodiment of the present invention, a through groove is provided at the connection between the connecting rocker arm 4 and the rotating disk 3 and the movable frame 5, and a fixing pin is provided on the inner side of the through groove.

[0039] Furthermore, the through groove facilitates a tighter connection between the connecting rocker arm 4, the rotating disk 3, and the movable frame 5, and allows the connecting rocker arm 4 to move the movable frame 5 after being subjected to force.

[0040] Specifically, when welding two materials, the positions of the fixed box 12 and the movable protrusion 11 can be adjusted by sliding according to the length of the materials. After adjustment, the second knob 18 can be controlled to rotate the threaded rod 17. The threaded rod 17 allows the anti-slip pad 19 to fit against the fixed frame 1, thus preventing the fixed box 12 from moving during welding. The material is placed on one side of the fixture mounting box 2. The distance of the sliding rod 7 inside the mounting plate 6 can be adjusted according to the shape of the material to make the distance between the clamping plate 10 and the material the same. After adjustment, the position of the sliding rod 7 can be locked by the locking bolt 8. The operating handle 21 is controlled to rotate the worm gear 20. The worm gear 20 can drive the rotating shaft 23 and the rotating disk 3 to rotate through the worm wheel 22. After the rotating disk 3 rotates, it can drive multiple movable frames 5 and the mounting plate 6 to slide through multiple connecting rockers 4. After the mounting plate 6 moves, it can allow the sliding rod 7 and the clamping plate 10 to clamp and fix the material. Thus, the device can clamp materials of different shapes, making the clamping range wide.

[0041] The above description is merely an embodiment of this utility model and is not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principle of this utility model should be included within the scope of the claims of this utility model.

Claims

1. A welding fixture, comprising: Include; The fixed frame (1) and the clamp mounting box (2), the inner wall of one side of the clamp mounting box (2) is rotatably installed with a rotating shaft (23), one side of the rotating shaft (23) is fixedly installed with a rotating disc (3), one side of the rotating disc (3) is rotatably installed with a connecting rocker (4); The inner side of the clamp mounting box (2) is slidably installed with a moving frame (5), one end of the connecting rocker (4) is rotatably installed on one side of the moving frame (5), one side of the moving frame (5) is fixedly installed with a mounting plate (6); The inner side of the mounting plate (6) is slidably installed with a sliding rod (7), one side of the mounting plate (6) is threadedly installed with a locking bolt (8), one side of the locking bolt (8) is fixedly installed with a first knob (9), one side of the sliding rod (7) is fixedly installed with a clamping plate (10).

2. A welding fixture as defined in claim 1, wherein: The inner side of the fixed frame (1) is slidably installed with a moving block (11) on the left and right sides, the top of the moving block (11) is fixedly installed with a fixed box (12), the bottom inner wall of the fixed box (12) is fixedly installed with a motor (13), the output end of the motor (13) is fixedly installed with a lead screw (14), the outer side of the lead screw (14) is threadedly installed with a moving seat (15), and the clamp mounting box (2) is fixedly installed on one side of the moving seat (15).

3. A welding fixture as defined in claim 2 wherein: One side of the fixed box (12) is fixedly installed with a fixed plate (16), the inner side of the fixed plate (16) is threadedly installed with a threaded rod (17), the top of the threaded rod (17) is fixedly installed with a second knob (18), and the bottom of the threaded rod (17) is rotatably installed with a non-slip pad (19).

4. A welding fixture as defined in claim 1, wherein: The inner side of the clamp mounting box (2) is rotatably installed with a worm (20), one side of the worm (20) is fixedly installed with an operating handle (21), the outer side of the rotating shaft (23) is fixedly installed with a worm wheel (22), and the worm (20) and the worm wheel (22) are engaged.

5. A welding fixture as defined in claim 1, wherein: A plurality of guide limiting grooves are formed in the outer side of the clamp mounting box (2), and the moving frame (5) is slidably installed in the inner side of the guide limiting groove.

6. A welding fixture as defined in claim 1, wherein: A through groove is formed at the connection of the connecting rocker (4), the rotating disc (3) and the moving frame (5), and a fixed bolt is arranged in the inner side of the through groove.

Images