Automobile metal plate welding device

The invention relates to the technical field of automobile part machining equipment, in particular to an automobile metal plate welding device which comprises a bottom plate, a workbench is fixedly installed on the right side of the outer wall of the top of the bottom plate, and a transverse side plate is fixedly installed on the portion, close to the rear side of the workbench, of the outer wall of the top of the bottom plate. A fixing seat is fixedly mounted at the position, close to the left side of the side plate, of one side of the outer wall of the top of the bottom plate, a driving mechanism is arranged on the outer wall of the top of the fixing seat, an upper clamping seat and a lower clamping seat are fixed to the outer wall of one side of the side plate, and moving mechanisms are arranged on the inner wall of the upper clamping seat and the inner wall of the lower clamping seat. In the welding process, the automobile metal plate is subjected to chemical cleaning in advance, then materials are convey