the welding robot mainly includes four parts: robot and welding equipment, positioner and fixture. Robot: It consists of robot body and control cabinet (hardware and software). Welding equipment: Taking arc welding and spot welding as an example, it consists of welding power source (including its control system), wire feeding mechanism, welding torch and other parts. Positioner (rotary table): by controlling the rotation of the worktable, it can match the required welding position and welding speed. Fixture: According to the different workpieces to be welded, the function of supporting and fixing the workpiece.