Welding device and welding method

Abstract

The invention belongs to the technical field of curved surface segmented thin plate welding, and discloses a welding device and a welding method.The welding device comprises a welding trolley, an arc-shaped track and a welding backing; the welding trolley comprises a trolley body, an adjusting mechanism, an oscillator and a welding gun, the adjusting mechanism is installed on the trolley body, the oscillator is installed on the adjusting mechanism, and the welding gun is rotationally connected to the oscillator; the arc-shaped track is made of bendable materials and detachably attached to the curved-surface segmented thin plates, the trolley body is installed on the arc-shaped track and can move along the arc-shaped track, and the welding gun extends into a gap between the two curved-surface segmented thin plates. The welding backing abuts against the two curved segmented thin plates. The welding device can automatically and flexibly adjust the movement direction and control welding deformation in the curved surface segmented thin plate welding procedure, weld joints are formed attractively, the workload of post-welding grinding and beautifying treatment work is reduced, and the welding operation efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of curved surface segmental thin plate welding, in particular to a welding device and a welding method. Background technique [0002] Plates with a thickness less than or equal to 6mm are collectively classified as thin plates. There are many areas of ship products that use thin plates in large areas. The welding quality and deformation control of thin plates are one of the difficulties in the shipbuilding process. At the same time, the transverse butt weld formed by thin plate welding is greatly affected by the welder's skill level. In the process of ship construction, the non-straight sections of the outer plate are called curved surface sections, and the welding of curved surface section thin plates is a key process in ship welding construction. [0003] In the ship welding construction operation, for the horizontal butt weld with radian of the thin plate, the existing conventional welding method is to u...

AI Technical Summary

Problems solved by technology

Using manual carbon dioxide gas shielded welding to weld the curved horizontal butt weld on the thin plate has the following problems: due to the influence of human factors such as the level of operating skills, it is easy to cause welding defects such as slag inclusions and cracks in the weld, and the weld is not beautiful. Energy efficiency could be improved

However, the above-mentioned welding trolley lacks flexibility, and it is difficult to use it flexibly in the welding process of curved surface segmented thin plates

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