Die casting sand blasting machine

The utility model relates to a sand blasting machine for die castings, and belongs to the technical field of part surface machining. A die casting sand blasting machine comprises a storage box, a working box and a scattering box, a discharging hopper is installed at the top end of the storage box, an air pump is installed on one side of the top end of the storage box, the working box is installed at the bottom end of the storage box, a guide pipe is installed at the bottom end of the storage box through an electric control valve, and a sliding rail is installed at the top end in the working box. A sliding block is installed at the bottom end of the sliding rail, a nozzle is installed at the bottom end of the sliding block, the guide pipe is connected with the nozzle, a motor is installed on one side of the top end of the inner wall of the working box, a disc is installed at the output end of the motor, and a supporting rod is connected to the front surface of the disc through a bearing. The sand blasting mach