Rapid clamping and welding tool

Abstract

The utility model discloses a quick clamping welding frock, relates to welding frock technical field, including upper clamping piece and lower clamping piece, the upper clamping piece includes cover plate and set up press plate under the cover plate, the cover plate and press plate abut against each other through spring no. The surface of the upper clamping jaw is integrally connected with an upper claw hook; the lower clamping piece comprises a base, supporting seats are fixedly connected to the two sides of the base, lower clamping jaws are rotationally connected to the outer end faces of the supporting seats, and lower grabbers capable of being clamped with the upper grabbers are integrally connected to the upper portions of the lower clamping jaws. According to the welding tool, the upper clamping jaw and the lower clamping jaw are automatically clamped and locked through pressing, rapid clamping and locking are achieved, compared with the prior art, working hours consumed by a series of procedures such as assembling and locking of a conventional C-shaped clamp are reduced, the production efficiency is greatly improved, and the production cost of a factory is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of welding tooling, in particular to a quick clamping welding tooling. Background Art

[0002] Welding tooling is an important production equipment on the production line. In welding production, welding tooling can realize the functions of product parts assembly and positioning, effectively ensure the welding quality of products and improve production efficiency. With the popularization of electronic products, the requirements for heat dissipation of electronic products are getting higher and higher, and radiators have become one of the main development trends.

[0003] The radiator is usually composed of a base plate, heat pipes, fins, etc. The three are pressed together by a C-type clamp and the reflow soldering process is completed. This conventional method is prone to quality problems such as post-soldering voids and deformation, resulting in low production efficiency and low one-time welding yield. This has become a major difficulty in the reflow soldering production of radiators. For this reason, we proposed a welding tool for quickly clamping radiators on the reflow soldering production line. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a quick clamping welding tool, which solves the problems raised by the above-mentioned background technology.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a quick clamping welding tool, including an upper clamp and a lower clamp,

[0006] The upper clamping member includes a cover plate and a pressure plate arranged below the cover plate, the cover plate and the pressure plate are mutually abutted by a spring, upper clamping claws are fixedly connected to both sides of the cover plate, and upper claw hooks are integrally connected to the surface of the upper clamping claws;

[0007] The lower clamping member comprises a base, both sides of the base are fixedly connected with support seats, the outer end surface of the support seat is rotatably connected with a lower clamping jaw, and the upper part of the lower clamping jaw is integrally connected with a lower claw hook that can be engaged with an upper claw hook.

[0008] Furthermore, a plurality of guide pillars are slidably connected inside the cover plate, and the bottom ends of the guide pillars are fixedly connected to holes reserved on the upper surface of the pressure plate.

[0009] Furthermore, a guide protrusion is integrally connected to the bottom end of the pressure plate, and a guide groove is reserved on the upper part of the base, and the guide protrusion can move vertically inside the guide groove.

[0010] Furthermore, a workpiece cavity is reserved inside the base.

[0011] Furthermore, a second spring is commonly abutted between the bottom of the lower clamp and the support seat, and the adjacent surfaces of the support seat and the lower clamp are both reserved with limiting holes, and the two ends of the second spring abut in the limiting holes, and a pin shaft is commonly rotatably connected between the support seat and the lower clamp.

[0012] Furthermore, a pad is clamped and fixed between the upper clamp and the lower clamp, a plurality of alignment holes are reserved inside the pad, and an alignment column is fixedly connected to the upper part of the base, and the alignment column is located inside the alignment hole.

[0013] The utility model provides a quick clamping welding tool. Compared with the prior art, it has the following beneficial effects:

[0014] 1. The welding tooling realizes quick clamping and locking by automatically locking and locking the upper and lower clamping jaws by pressing. Compared with the existing technology, it reduces the working hours of a series of processes such as conventional C-clamp assembly and locking, greatly improves production efficiency, and reduces the production cost of the factory.

[0015] 2. The welding fixture has a spring installed between the cover plate and the pressure plate to achieve flexible pressing contact, avoiding the poor contact of the radiator due to processing tolerance. It can be automatically corrected and pressed by the spring, avoiding quality problems such as voids after welding of the radiator, and greatly improving the one-time welding yield of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the disassembly of the utility model;

[0017] Figure 2 This is a schematic diagram of the disassembly of the upper clamp in the utility model;

[0018] Figure 3 This is a schematic diagram of the disassembly of the lower clamp in the utility model;

[0019] Figure 4 It is a cross-sectional view of the utility model in a locked state after assembly;

[0020] Figure 5 It is a cross-sectional view of the utility model in an unlocked state after assembly.

[0021] In the figure: 1. upper clamp; 11. cover plate; 12. pressure plate; 13. guide column; 14. spring 1; 15. upper clamp; 16. upper claw hook; 17. guide protrusion; 2. lower clamp; 21. base; 22. support seat; 23. lower clamp; 24. lower claw hook; 25. workpiece cavity; 26. guide groove; 27. alignment column; 28. spring 2; 29. ​​limit hole; 210. pin shaft; 3. pad; 31. alignment hole; 4. radiator. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1 , 2 3. The utility model provides a technical solution:

[0024] First, a quick clamping welding tool comprises an upper clamp 1 and a lower clamp 2. A heat sink 4 is placed inside the lower clamp 2. After the heat sink 4 is placed, a pad 3 needs to be placed on the top of the lower clamp 2. The pad 3 can be made of silicone or rubber or other materials that do not damage the heat sink 4. Then, the upper clamp 1 is placed on the pad 3 and pressed down until the upper clamp 1 and the lower clamp 2 can be fixed by the clamping claws.

[0025] Secondly, the upper clamp 1 includes a cover plate 11 and a pressing plate 12 arranged below the cover plate 11. A plurality of guide pillars 13 are slidably connected inside the cover plate 11. The bottom ends of the guide pillars 13 are fixedly connected to holes reserved on the upper surface of the pressing plate 12. The cover plate 11 and the pressing plate 12 are abutted against each other through a spring 14. Upper clamping claws 15 are fixedly connected to both sides of the cover plate 11. The surface of the upper clamping claw 15 is integrally connected with an upper claw hook 16.

[0026] Furthermore, the lower clamp 2 includes a base 21, and support bases 22 are fixedly connected to both sides of the base 21. The outer end surface of the support base 22 is rotatably connected to a lower clamp 23, and the upper part of the lower clamp 23 is integrally connected to a lower claw hook 24 that can engage with the upper claw hook 16. The mutual engagement of the upper claw hook 16 and the lower claw hook 24 realizes the connection between the upper clamp 1 and the lower clamp 2, thereby clamping and fixing the radiator 4.

[0027] In addition, it should be noted that the bottom end of the pressing plate 12 is integrally connected with a guide protrusion 17, and a guide groove 26 is reserved on the upper part of the base 21. When the upper clamp 1 is pressed, the guide protrusion 17 can move vertically inside the guide groove 26. A workpiece cavity 25 is reserved inside the base 21. More specifically, the radiator 4 is fixed in the workpiece cavity 25, and the workpiece cavity 25 is obtained by CNC processing, and the internal size matches the size of the radiator 4. The bottom of the lower clamp 23 and the support seat 22 are jointly abutted by a spring 28, and the adjacent support seat 22 and the lower clamp 23 are Limiting holes 29 are reserved on the surface, and both ends of the spring 28 abut against the limiting holes 29, so that the spring 28 can be better supported and not easy to bend and deform. A pin shaft 210 is connected between the support seat 22 and the lower clamping jaw 23 for common rotation, so that the lower clamping jaw 23 can be deflected relative to the support seat 22, thereby unlocking the clamping. A number of alignment holes 31 are reserved inside the pad 3, and an alignment column 27 is fixedly connected to the upper part of the base 21. The alignment column 27 is located inside the alignment hole 31. When placing the pad 3, the alignment hole 31 and the alignment column 27 make the placement position more precise.

[0028] When in use, firstly, the radiator 4 needs to be placed in the workpiece cavity 25, and then the pad 3 is placed on the upper part of the base 21. After the pad 3 is placed, its bottom surface will contact the upper surface of the radiator 4, and the size is designed. Then the upper clamp 1 is placed on the pad 3, and the cover 11 is pressed down. After the cover 11 is pressed, the spring 14 is squeezed and contracted. At the same time, the cover 11 drives the upper clamp 15 to move down. When the cover 11 moves down to the right position, the upper claw hook 16 and the lower claw hook 24 will automatically engage (the state at this time is as shown in the attached figure). Figure 4 As shown), at this time, the radiator 4 is quickly clamped and fixed by the tooling;

[0029] After processing, when the heat sink 4 needs to be taken out, the bottom of the lower clamping jaw 23 is pressed, so that the lower clamping jaw 23 rotates outward with the pin shaft 210 as the center. During the rotation, the spring 28 is compressed and contracted. At the same time, the lower claw hook 24 will be separated from the upper claw hook 16. At the moment of separation, because the spring 14 is in a compressed state before, when it is separated at this moment, the entire upper clamp 1 will be pushed up by the spring 14 (the state at this time is as shown in the attached figure). Figure 5 As shown), remove the upper clamp 1 and the pad 3, and then take out the radiator 4.

Claims

1. A quick clamping welding tool, comprising an upper clamp (1) and a lower clamp (2), characterized in that: The upper clamping member (1) comprises a cover plate (11) and a pressure plate (12) arranged below the cover plate (11); the cover plate (11) and the pressure plate (12) are in contact with each other via a spring (14); upper clamping jaws (15) are fixedly connected to both sides of the cover plate (11); and upper claw hooks (16) are integrally connected to the surface of the upper clamping jaws (15); The lower clamping member (2) comprises a base (21), both sides of the base (21) are fixedly connected to support seats (22), the outer end surface of the support seat (22) is rotatably connected to a lower clamping jaw (23), and the upper part of the lower clamping jaw (23) is integrally connected to a lower claw hook (24) capable of engaging with an upper claw hook (16).

2. A quick clamping welding tool according to claim 1, characterized in that: A plurality of guide pillars (13) are slidably connected inside the cover plate (11), and the bottom ends of the guide pillars (13) are fixedly connected to holes reserved on the upper surface of the pressing plate (12).

3. The quick clamping welding tool according to claim 1, characterized in that: The bottom end of the pressing plate (12) is integrally connected with a guide protrusion (17), and a guide groove (26) is reserved at the top of the base (21), and the guide protrusion (17) can move vertically inside the guide groove (26).

4. The quick clamping welding tool according to claim 1, characterized in that: A workpiece receiving cavity (25) is reserved inside the base (21).

5. The quick clamping welding tool according to claim 1, characterized in that: A second spring (28) is commonly abutted between the bottom of the lower clamping jaw (23) and the support seat (22); adjacent surfaces of the support seat (22) and the lower clamping jaw (23) are both reserved with limit holes (29); both ends of the second spring (28) abut against the limit holes (29); and a pin shaft (210) is commonly rotatably connected between the support seat (22) and the lower clamping jaw (23).

6. The quick clamping welding tool according to claim 1, characterized in that: A backing plate (3) is fixedly engaged between the upper clamp (1) and the lower clamp (2), a plurality of alignment holes (31) are reserved inside the backing plate (3), and an alignment column (27) is fixedly connected to the upper part of the base (21), and the alignment column (27) is located inside the alignment hole (31).

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