Air injection cleaning device of filling machine

The utility model discloses an air injection cleaning device of a filling machine, which relates to the technical field of air injection cleaning and comprises a storage barrel body, the top of the storage barrel body is communicated with an air inlet pipe, a motor is arranged in the air inlet pipe, a rotating shaft is fixed at the output end of the motor and extends into the storage barrel body, and the air inlet pipe is communicated with the air inlet pipe. The storage barrel comprises a storage barrel body, a rotating shaft is arranged in the storage barrel body, a plurality of fan blades are fixed to the outer surface of the rotating shaft, a flow guide plate is fixed to the bottom of the rotating shaft, and an inclined face is arranged on the bottom face in the storage barrel body. The airflow can flow to the inner wall of the storage barrel body from the side edge of the flow guide plate through the guide of the flow guide plate during blowing, so that residual water flow on the inner wall of the storag