Coal washing device for coal mine

The utility model provides a coal mine coal washing device which comprises a cleaning box, the upper surface of the cleaning box is of an opening structure, a fine selection groove is formed in one side of the upper surface of the cleaning box, the elevation of the side edge, close to the fine selection groove, of the cleaning box is smaller than that of the side edge, away from the fine selection groove, of the cleaning box, and a stirring assembly is detachably installed on the upper surface of the cleaning box; the stirring assembly comprises a transmission part used for operation and a transverse plate connected with the cleaning box, a rotating shaft is arranged on the lower surface of the intersection of the transmission part and the transverse plate, a limiting part is connected with a connecting hole in the cleaning assembly, and the height of the cleaning assembly is changed by changing the height of the limiting part; the cleaning assembly is arranged on the upper side of the cleaning assembly so as