Preparation method of box body of box-shaped structure

Abstract

The invention discloses a preparation method of a box body of a box-shaped structure, and belongs to the technical field of laser welding. The preparation method of the box body of the box-shaped structure comprises the steps that a top plate and the outer surface of a surrounding plate assembly are positioned and welded; a bottom plate assembly is disassembled, a welding gun enters from the bottom of the box body, inner side fillet welds of the top plate, the surrounding plate assembly and a vertical plate assembly are all welded, and it is guaranteed that the fusion depth is larger than or equal to 2.5 mm; the bottom plate assembly is installed, the welding gun enters the box body from a window in the top plate and the surrounding plate assembly, all inner side fillet welds of the bottom plate assembly, the surrounding plate assembly and the vertical plate assembly are welded, and it is guaranteed that the fusion depth is larger than or equal to 2.5 mm; and the outer surfaces of the top plate assembly, the surrounding plate assembly and the bottom plate assembly are subjected to laser large-fusion-depth back sealing weld and laser wire filling cosmetic welding, and it is guaranteed that the fusion depth is larger than or equal to 6 mm. According to the preparation method of the box body of the box-shaped structure, full coverage of internal welding seams is achieved, the phenomenon that redundant objects fall off from fillet welding seams to damage laser lenses is avoided, and the cleanliness is guaranteed.

Description

technical field [0001] The invention relates to the technical field of laser welding, in particular to a method for preparing a box-shaped structure. Background technique [0002] Laser work requires a stable, reliable, and high-clean working environment. High-precision processing requirements are put forward for the cabinet containing the laser. High-strength, high-precision, and high-cleanliness cabinet manufacturing is the prerequisite for ensuring the normal operation of the laser. A box is a closed box-shaped member of all titanium alloy, and the structural material is titanium alloy. There are no assembly gaps inside, and a firm connection is required on the outside. [0003] However, in the production process of the cabinet loaded with lasers in the prior art, the cabinet fails to achieve full coverage of the internal fillet welds, and the particles falling from the welds of the cabinet during work damage the laser lens, causing the entire set of products to be scrapp...

AI Technical Summary

Problems solved by technology

[0004] The invention provides a method for preparing a box-shaped structure box, which solves or partially solves the problem that in the production process of the box loaded with lasers in the prior art, the box fails to achieve full coverage of the internal fillet welds, and the box is welded during work. Particles falling from the seam damage the laser lens and lead to the technical problem of scrapping the whole set of products

Images