Coating machine for pill production

The invention relates to the technical field of pharmaceutical machinery, in particular to a coating machine for pill production. The invention provides a coating machine for pill production, which can be used for uniformly heating pills and shielding dust at the same time. The coating machine for pill production comprises a supporting seat and a machine shell, and the right side of the supporting seat is connected with the machine shell; the right side of the upper part of the supporting seat is rotationally connected with the coating barrel; the right side of the upper part of the supporting seat is connected with the motor; and the right lower side of the output shaft of the motor is connected with the first gear. A sliding air outlet head extends to the middle position in the coating barrel through an electric push rod, pills are dried from the inside, the pills can be heated more uniformly, a first sliding frame is extruded through a contact block, a space cam drives a rotating cover to rotate along a th