Auxiliary equipment of metal sawing machine, using method and application

The invention relates to auxiliary equipment of a metal sawing machine, a using method and application, the auxiliary equipment comprises two plate turnover mechanisms and two clamping mechanisms, each plate turnover mechanism comprises a supporting plate, a plate turnover front base, a plate turnover rear base, a plate turnover support and a plate turnover hydraulic cylinder, the supporting plate comprises a plane plate and a side baffle, and the side baffle is arranged on the plane plate. The side baffle is arranged on the side, close to saw cutting equipment, of the surface plate, the front turning plate base and the rear turning plate base are fixedly arranged on the ground, the bottom end of the turning plate support is hinged to the front turning plate base, and the top end of the turning plate support is fixedly connected with the bottom face of the surface plate. The bottom end of a cylinder body of the turning plate hydraulic cylinder is hinged to the rear turning plate base, and the top end of a pis