Shot blasting machine with speed regulation function

The shot blasting machine with the speed regulation function comprises a machine body, a material guide table is connected to the interior of the machine body, a supporting rod is arranged on the upper end face of the material guide table in a rotating and penetrating mode, a placing plate is fixedly connected to the top end of the supporting rod, and a first motor is fixedly installed on the side wall of the inner bottom end of the machine body; a material box is fixedly connected to the upper end face of the machine body, a material barrel is fixedly installed on the side wall of the inner top of the machine body, a second motor is fixedly installed on the upper portion of the rear side face of the machine body, and a frequency converter is fixedly installed on the lower portion of the rear side face of the machine body. Steel shots in the material box can be thrown to a workpiece through the shot blasting opening, the workpiece can be driven to rotate through the first motor, the surface of the workpiece c