Clamp for laser hybrid welding of T-shaped connector

Abstract

The invention discloses a clamp for laser hybrid welding of a T-shaped connector. The clamp for the laser hybrid welding of the T-shaped connector comprises a base, and frame body vertical beams which are positioned on the two sides of the base; a wing plate is placed on the base and is compressed on the base through a compressing device; the frame body vertical beams are mounted on the base; a first pressing plate is fixedly mounted on the frame body vertical beams; the side surface of the first pressing plate is perpendicular to the upper surface of the base; a web plate is clamped by the first pressing plate through the second pressing plate so that the web plate is vertically intersected with the wing plate; the first pressing plate is connected with the second pressing plate by bolts; a plurality of air holes are formed in the base; the air holes are communicated with a protective gas pipe. The clamp for the laser hybrid welding of the T-shaped connector disclosed by the invention meets the requirement on precision of welding piece assembling, and can ensure the assembling precision in welding, ensure the forming quality, and reduce welding deformation effectively.

Description

technical field [0001] The invention relates to a fixture used for laser hybrid welding of T-shaped joints, belonging to the field of welding. Background technique [0002] Ship welding technology is one of the key technologies in modern shipbuilding mode. At present, the traditional arc welding method is still the main connection method in shipbuilding. For T-joint welding, the pre-weld preparation is complicated and the post-weld deformation is large, so the production efficiency is low. Due to its high energy density, laser welding has the advantages of low heat input, high welding speed, large depth-to-width ratio weld seam, narrow heat-affected zone, extremely small welding deformation and no contact with the workpiece during the welding process. An efficient welding technique is missing. [0003] Laser-arc hybrid welding is composed of different forms of laser heat sources, such as CO2, YAG laser, etc., and different types of arc heat sources, such as TIG, MIG / MAG, ...

AI Technical Summary

Problems solved by technology

However, the operation feasibility of this invention in the actual welding process is low. For example, the wide pressing panel will make the laser easily touch the workpiece flange, and the welding quality cannot be guaranteed; the splint cannot give the web a downward force, so that the web and The wings are in close contact. In the actual welding process, the welding stress is generated and the assembly gap changes. The effect of controlling the deformation of the weldment by rigid fixing method is not ideal.

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