Steel plate shearing machine

The utility model relates to a steel plate shearing machine which comprises a working table provided with a cutting device, and is characterized in that a supporting frame is arranged on one side of the working table, a vertical rack and a transverse rack are arranged on the supporting frame, the end, close to the working table, of the transverse rack is fixedly connected with the lower end of the vertical rack, and the supporting frame comprises a vertical frame and a transverse frame; the end, away from the workbench, of the transverse frame is fixedly connected with the upper end of the vertical frame, a shifting motor is fixedly arranged at the end, away from the workbench, of the transverse frame, a shifting gear is fixedly arranged on an output shaft of the shifting motor, and when the shifting gear is meshed with the transverse rack and the vertical rack, a conveying mechanism used for grabbing steel plates is arranged at the end, close to the workbench, of the transverse rack. A sliding rod is fixedly