Plate shearing device

The utility model relates to a shearing device, belongs to the field of plates, and particularly relates to a plate shearing device which comprises a box body, four box legs are fixedly installed on the wall face of the bottom end of the box body, a conveying assembly is fixedly installed on the wall face of the right side of the exterior of the box body, and a controller is fixedly installed on the side wall of the exterior of the box body. A touch sensor is fixedly mounted on the left side wall surface of the bottom end in the box body, and the air pump is fixedly mounted on the outer top end wall surface of the box body; the multiple elastic pieces are fixedly connected to the right side wall face of the bottom of the fixing plate at equal intervals; the air pump is started to drive the fixing plate to move downwards, when the fixing plate moves downwards, the pressing block fixedly connected with the elastic piece can press the metal plate, after the metal plate is pressed, the fixing plate continues to m