CN-224222951-U - Friction stir spot welding-seam welding composite welding liquid cooling plate equipment

Abstract

The utility model belongs to the technical field of liquid cooling plate welding, and particularly relates to a friction stir spot welding-seam welding compound welding liquid cooling plate device. The utility model comprises a workbench for placing a liquid cooling plate positioning table and a portal frame which spans the workbench and can generate reciprocating motion along the workbench, wherein first horizontal moving assemblies are respectively and horizontally arranged at two sides of a beam of the portal frame for loading and moving the vertical moving assemblies, friction stir welding spot welding devices and friction stir welding seam welding devices are respectively arranged at the moving ends of two groups of vertical moving assemblies respectively arranged at two sides of the beam, and welding working ends of the two devices are both directed to the table surface of the workbench. According to the utility model, the friction stir welding spot welding device and the friction stir welding seam welding device are respectively arranged at two sides of one portal frame, so that the two welding devices can cooperatively weld and fix the liquid cooling plate, the volume of the whole equipment is reduced, the efficient and stable welding of the liquid cooling plate is realized, and the situation that the liquid cooling plate is thermally deformed in the welding process is avoided.

Inventors

• SHU XI
• YANG JIE
• WAN LONG

Assignees

• 马鞍山万智新能源科技有限公司

Dates

Publication Date

20260512

Application Date

20250512

Claims (10)

1. 1. A friction stir spot welding-seam welding compound welding liquid cooling plate device is characterized by comprising a workbench (1) used for placing a liquid cooling plate positioning table (21) and a portal frame (2) which spans the workbench (1) and can generate reciprocating motion along the workbench (1), wherein first horizontal moving assemblies (6) are horizontally arranged on two sides of a cross beam (18) of the portal frame (2) respectively for loading and moving of vertical moving assemblies (12), friction stir welding spot welding devices (3) and friction stir welding seam welding devices (4) are respectively arranged at the moving ends of two groups of vertical moving assemblies (12) which are respectively arranged on two sides of the cross beam (18), and welding working ends of the two devices are respectively directed to the table top of the workbench (1).
2. 2. The friction stir spot welding-seam welding composite welding liquid cooling plate device according to claim 1, wherein a plurality of strip-shaped fixing grooves (17) are formed in the workbench (1) at intervals, the liquid cooling plate positioning table (21) is arranged on the fixing grooves (17), a plurality of cold air pipes (20) are detachably arranged on the fixing grooves (17), the cold air pipes (20) are sequentially arranged along the spot welding path of the friction stir welding spot welding device (3), and air outlets of the cold air pipes (20) point to corresponding spot welding positions.
3. 3. The friction stir spot welding-seam welding composite welding liquid cooling plate device according to claim 1 is characterized in that a plurality of strip-shaped fixing grooves (17) are formed in the workbench (1) at intervals, a liquid cooling plate positioning table (21) is installed on the fixing grooves (17), a plurality of installation grooves (23) are formed in the liquid cooling plate positioning table (21) along the spot welding path of the friction stir spot welding device (3), detachable elastic nuts (22) are arranged in the installation grooves (23), and the upper surfaces of the elastic nuts (22) form elastic supporting surfaces for supporting the liquid cooling plates to be welded from bottom to top.
4. 4. A friction stir spot welding-seam welding composite welding liquid cooling plate device according to claim 3, wherein the mounting groove (23) is in an inverted T-shaped groove shape with a groove opening width smaller than a groove bottom width, the elastic screw cap (22) comprises a screw cap seat (221) and a screw cap portion (223) which is in sliding fit with the screw cap seat (221) through a screw rod (222), the screw cap portion (223) is sleeved with a pressure spring (224) so that the screw cap portion (223) can generate elastic reciprocating motion in a vertical direction relative to the screw cap seat (221), and a cooling cavity (225) for containing a coolant is arranged in the screw cap seat (221).
5. 5. The friction stir spot welding-seam welding composite welding liquid cooling plate device according to claim 4, wherein the liquid inlet and the liquid outlet which are communicated with the external cold source and the cooling cavity are arranged on the nut seat (221).
6. 6. The friction stir spot welding-seam welding composite welding liquid cooling plate device according to claim 1, 2, 3 or 4, wherein the liquid cooling plate positioning table (21) is detachably provided with a plurality of positioning tools, and the plurality of positioning tools are distributed at intervals along the periphery of the liquid cooling plate positioning table (21).
7. 7. The friction stir spot welding-seam welding composite welding liquid cooling plate device according to claim 1, 2, 3 or 4, further comprising a second horizontal moving assembly (7) for driving the portal frame (2) to move horizontally and two bases (5) for mounting the second horizontal moving assembly (7), wherein the two bases (5) are distributed on two sides of the length direction of the workbench (1), and the moving direction of the portal frame (2) is perpendicular to the moving direction of the vertical moving assembly (12).
8. 8. A friction stir spot welding-seam welding composite welding liquid cooling plate device according to claim 1, 2, 3 or 4, wherein the first horizontal moving assembly (6) comprises a first motor (8) and a first screw rod (9) connected with the driving end of the first motor (8), and one end of the first screw rod (9) away from the first motor (8) is mounted on the side wall of the portal frame (2) through a shaft sleeve (16).
9. 9. The friction stir spot welding-seam welding composite welding liquid cooling plate device according to claim 8, wherein the vertical moving assembly (12) is installed on a moving seat (14), the moving seat (14) is in threaded sleeve connection with the first screw rod (9), the vertical moving assembly (12) comprises a third motor (13) and a third screw rod connected with the driving end of the third motor (13), the friction stir welding spot welding device (3) and the friction stir welding seam welding device (4) are respectively fixed on two installation seats (15), and the installation seats (15) are sleeved on the third screw rod and in threaded connection with the third screw rod.
10. 10. The friction stir spot welding-seam welding composite welding liquid cooling plate device according to claim 7 is characterized in that the second horizontal moving assembly (7) comprises a second motor (10) and a second screw rod (11) connected with a driving end of the second motor (10), the portal frame (2) is of an inverted U shape and consists of a cross beam (18) and two vertical beams (19), the two vertical beams (19) are fixedly connected with two ends of the cross beam (18) respectively, and bottom threads of the vertical beams (19) are sleeved on the second screw rod (11).

Description

Friction stir spot welding-seam welding composite welding liquid cooling plate equipment Technical Field The utility model belongs to the technical field of liquid cooling plate welding, and particularly relates to a friction stir spot welding-seam welding compound welding liquid cooling plate device. Background The liquid cooling plate is a product for heat dissipation and is generally applied to occasions such as high-performance computers and servers where a large amount of operation and data processing are required. The existing liquid cooling plate is formed by assembling a cover plate and a bottom plate, and the cover plate and the bottom plate are required to be sealed and welded for preventing leakage. The traditional liquid cooling plate is mainly produced in a brazing mode, but the brazing process needs to heat the whole workpiece, so that the problems of high energy consumption and large pollution exist, and the brazing process can only weld 3 series of aluminum alloy, so that the whole strength of the 3 series of aluminum alloy liquid cooling plate is ensured, thicker 3 series of aluminum alloy plates are needed, and the produced liquid cooling plate is heavy in whole weight and high in cost. With the development of friction stir welding technology, friction stir welding is adopted at present to produce the liquid cooling plate, can effectively reduce liquid cooling plate manufacturing cost, but because the existence of liquid cooling plate runner, simple use friction stir welding leads to the liquid cooling plate to appear great deformation easily, and even under the assistance of location frock and compress tightly the frock, deformation still can appear the apron bulge tearing problem still in the welding process, causes the product to scrap, installs in addition and compresses tightly the frock process comparatively complicacy, and can greatly increased welding cost. Accordingly, there is a need for a friction stir spot welding-seam welding hybrid welding liquid cooling plate apparatus that addresses the above-described issues. Disclosure of utility model In order to overcome the defects in the prior art, the utility model provides a friction stir spot welding-seam welding composite welding liquid cooling plate device. The utility model can weld thinner liquid cooling plates (5 series aluminum alloy), avoid the deformation of the plates, has smaller and more compact volume and effectively improves the welding work efficiency. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The friction stir spot welding-seam welding composite welding liquid cooling plate equipment comprises a workbench for placing a liquid cooling plate positioning table and a portal frame which spans the workbench and can generate reciprocating motion along the workbench, wherein first horizontal moving assemblies are horizontally arranged at two sides of a beam of the portal frame respectively for loading and moving of vertical moving assemblies, friction stir welding spot welding devices and friction stir welding seam welding devices are respectively arranged at the moving ends of two groups of vertical moving assemblies which are respectively arranged at two sides of the beam, and welding working ends of the two devices are both directed to the table surface of the workbench. Preferably, a plurality of strip-shaped fixing grooves are formed in the workbench at intervals, the liquid cooling plate positioning table is arranged on the fixing grooves, a plurality of cold air pipes are detachably arranged on the fixing grooves, the cold air pipes are sequentially arranged along the spot welding paths of the friction stir welding spot welding device, and the air outlets of the cold air pipes point to corresponding spot welding positions. Preferably, a plurality of strip-shaped fixing grooves are formed in the workbench at intervals, the liquid cooling plate positioning table is arranged on the fixing grooves, a plurality of mounting grooves are formed in the liquid cooling plate positioning table along the spot welding path of the friction stir welding spot welding device, detachable elastic nuts are arranged in the mounting grooves, and the upper surfaces of the elastic nuts form elastic supporting surfaces for supporting the liquid cooling plate to be welded from bottom to top. Preferably, the mounting groove is in an inverted T-shaped groove with a groove opening width smaller than the groove bottom width, the elastic screw cap comprises a screw cap seat and a screw cap part which is in sliding fit with the screw cap seat through a screw rod, the screw cap part is sleeved with a pressure spring so that the screw cap part can generate elastic reciprocating motion in the vertical direction relative to the screw cap seat, and a cooling cavity for containing coolant is arranged in the screw cap seat. Preferably, the nut seat is provided with a liquid inlet and a liquid out