Multi-station synchronous welding device

The utility model discloses a multi-station synchronous welding device which comprises a top frame, stand columns are connected to the four corners of the bottom of the top frame, a sliding groove A is formed in the upper end face of the top frame and is of a square structure, mounting openings are formed in the four folded corners of the sliding groove A, mounting frames are arranged on the side faces of the periphery of the top frame, and the mounting frames are connected with the stand columns. The mounting frame comprises a pair of mounting plates which are symmetrically arranged, the mounting plates are connected with the side wall of the top frame through reinforcing ribs, a screw rod is rotationally arranged between the two mounting plates through a bearing and a bearing seat, one end of the screw rod is connected with a moving motor, and the moving motor is fixed on the mounting plates. And peripheral vertical welding seams can be welded simultaneously, and the welding efficiency is improved. 本实用新型公开了