Rotary welding device for argon arc welding

Abstract

The utility model relates to the technical field of welding, in particular to an argon arc welding rotary welding device which comprises a frame body, an upper rack and a lower rack, a driving gear meshed with the upper rack and the lower rack at the same time is arranged between the upper rack and the lower rack, and the driving gear is connected with the output end of a motor arranged on the frame body so as to drive the driving gear to rotate. The upper end of the upper rack and the lower end of the lower rack are connected with extension arms respectively, rolling units are arranged at the free ends of the extension arms, a lifting locking unit is arranged on one extension arm in an axial sliding mode, an installation piece is installed on the lifting locking unit, and a welding gun used for welding is arranged on the installation piece. The upper rack and the lower rack are driven by the motor to move, the rolling unit is attached to the inner wall of the pipe fitting, the device rotates in the pipe fitting through manual rotation, uniformity and consistency of the welding gun during welding are guaranteed, and the lifting locking unit can adjust the position of the welding gun so as to weld the pipe fitting with the height difference inside.

Images