Automatic rotary welding tool for brake disc enclosure welding seam

The utility model relates to the technical field of brake disc machining equipment, and discloses an automatic rotary welding tool for brake disc enclosure welding seams, which comprises a workbench, a grid plate is fixed on the surface of the workbench, a partition plate and a driving motor are fixed in the workbench, a rotating rod is fixed on an output shaft of the driving motor, and a rotating shaft is fixed on the rotating rod. The top of the rotating rod penetrates through the partition plate and the grid plate and is fixedly provided with a containing plate, a limiting plate is fixed to the surface of the containing plate, a plurality of mounting frames are fixed to the top of the limiting plate, an electric push rod is fixed to the top of the workbench, and a connecting block is fixed to the top of the electric push rod. According to the brake disc welding tool, a rotating effect can be achieved in the welding process of a brake disc, meanwhile, a limiting effect can be achieved in the welding process