Discharging device of jet mill

The utility model provides a discharging device of a jet mill. The discharging device comprises a crushing mechanism, wherein the crushing mechanism comprises a jet mill body and a discharging barrel; the top of the discharging barrel is mounted at a discharging opening of the airflow crushing machine body; the dredging mechanism comprises a sliding bearing, a main gear, an auxiliary gear, a servo motor, a speed reducer, a U-shaped rod, an arc-shaped push piece and a pointed cone head; an inner ring of the sliding bearing is fixedly connected to the outer side wall of the discharging barrel, an outer ring of the sliding bearing is fixedly connected to the inner side wall of the main gear, and an output shaft of the servo motor is fixed to the inner side wall of the auxiliary gear through the speed reducer. Through the arrangement of the U-shaped rod and the pointed conical head, when deeper dredging is needed, the pointed conical head can be inserted into a material to form a small through hole, so that the a