Deslagging device

A slag removal device comprises an abutting piece, a pressing piece and a shoveling piece, the abutting piece comprises a first surface and a second surface which are oppositely arranged, the first surface is used for abutting against a rack on a machine table, and an avoiding notch penetrating through the first surface and the second surface is formed in the abutting piece; the pressing piece is connected to the abutting piece and used for abutting against the rack. The shoveling piece is rotatably arranged on the second surface, the shoveling piece is provided with an end part and a notch extending from the end part, two clamping walls which are arranged at an interval are formed in the notch by the shoveling piece, the end part is used for rotating into the avoiding notch and enabling the rack to be embedded into the notch, and the clamping walls are used for clamping the two sides of the rack and rotating relative to the rack to enable slag on the rack to fall off. According to the slag removal device, th