The
impurity removing and screening device comprises a sleeve shell and a rolling screen drum, a supporting frame is installed on the inner side wall of the sleeve shell, the rolling screen drum is rotatably installed on the inner side of the supporting frame, the rolling screen drum is obliquely arranged in the sleeve shell, and a blocking mechanism is installed on the side wall of the sleeve shell in an inserted mode. The blocking mechanism comprises a guide cylinder, an
electric control push rod and a material blocking plate, the guide cylinder is inserted into the side wall of the sleeve shell, the inclination angle of the guide cylinder is consistent with that of the rolling screen cylinder, the
electric control push rod is inserted into the guide cylinder, the output end of the
electric control push rod can be inserted into the rolling screen cylinder, and the material blocking plate is installed at the output end of the electric control push rod. According to the device, the electric control push rod and the material blocking plate are arranged in the rolling screen drum, after dried
shiitake mushrooms enter the rolling screen drum, the dried
shiitake mushrooms can be blocked through the material blocking plate, the screening time of the dried
shiitake mushrooms is prolonged, and the situation that screening is not thorough is avoided.