Steel plate welding slag cleaning device for plate shearing machine

The utility model discloses a steel plate welding slag cleaning device for a plate shearing machine, relates to the plate shearing machine, and solves the technical problems of high labor intensity and low working efficiency of a manual slag removal mode. The device comprises a mounting frame, a dust removal box and a slag removal box are sequentially mounted in the mounting frame, a lower slag shoveling seat is fixedly mounted in the slag removal box, an upper slag shoveling seat is arranged above the lower slag shoveling seat, and the upper slag shoveling seat is movably inserted into the slag removal box; a steel plate channel is arranged between the upper slag shoveling seat and the lower slag shoveling seat; two sealing doors are arranged on the side, away from the plate shearing machine, of the slag removal box, one end of each sealing door is hinged to the interior of the slag removal box through a connecting rod, a torsional spring is installed on the connecting rod, and the other end of each sealing