Roasting dust removal shell device for precision casting

The roasting dust removal shell device for precision casting comprises a dust removal box, a through opening is formed in the top of the dust removal box in a penetrating mode, an inlet and outlet is formed in the front face of the dust removal box in a penetrating mode, and a high-pressure jet head is installed on one side of the dust removal box in a penetrating mode. According to the roasting dust removal shell device for precision casting, a first electric telescopic rod extends to enable bristles to make full contact with the outer wall of a workpiece, a high-pressure jet head conducts jet cleaning on the surface of the workpiece at the same time, a second electric telescopic rod extends to drive the workpiece to move upwards step by step, and meanwhile a driving motor drives a workpiece containing table to rotate; according to the workpiece cleaning device, the workpiece is cleaned while rotating, rising and cleaning are achieved, the workpiece cleaning comprehensiveness is guaranteed, the cleaning effe