Cylindrical-workpiece side-wall part welding device

The utility model relates to a cylindrical-workpiece side-wall part welding device, and belongs to the technical field of welding. According to the cylindrical-workpiece side-wall part welding device, a cylindrical-workpiece positioning device is located on one side of a supporting board, the other side of the supporting board is connected with a steering board through a shaft, a side-direction positioning board is vertically fixed on the steering board, an axial positioning block is fixed on the side-direction positioning board through a long fixing hole, the center of the axial positioning block is in shaft connection with a following block, and the center of the following block is in thread connection with a positioning screw. The cylindrical-workpiece side-wall part welding device is simple in structure and convenient to operate, achieves the function of welding and positioning any position of the side wall of a cylindrical workpiece, resolves the technical problem of positioning of angular parts on the s