Shot processing device

A shot processing device having:

• a cabinet formed in a box shape;
• a hanging section installed in the cabinet, suspended from a ceiling of the cabinet, extending in upward/downward directions of the cabinet, and having an axis extending in the upward/downward directions;
• an autorotation mechanism including a motor and configured to rotate the hanging section around the axis of the hanging section using the motor;
• a hanger unit suspended from the hanging section and installed in the cabinet, and including a pair of frame sections each having an upper frame section, a lower frame section provided below the upper frame section, and a pair of side frame sections connecting both ends, of the upper frame section and both ends of the lower frame, wherein the pair of frame sections each includes an opening section defined by the upper frame section, a lower frame section, and a pair of side frame sections, and the pair of frame sections is parallelly installed so that opening sections face each other;
• a projection machine including rotatable impellers and configured to project a shot media toward the hanger unit using rotatable impellers;
• and
• a loading/unloading device installed adjacent to the cabinet, including an arm insertable into the opening section of the frame section of the hanger unit and a cylinder advancing and retracting the arm, wherein the arm conveys a tray on which a workpiece is placed, and loads the tray into/unloaded from the hanger unit by operation of the cylinder.