Gas power device for part cleaning machine

The invention discloses a gas power device for a part cleaning machine. The gas power device comprises an upper air guide shell and a lower air guide shell which are the same in structure and are oppositely connected; the upper air guide shell and the lower air guide shell form a device shell; a rotating shaft is arranged in the device shell, and the upper end of the rotating shaft extends out ofthe top end of the upper air guide shell and is connected with the part cleaning machine; the gas power device further comprises an upper impeller and a lower impeller, wherein the upper impeller andthe lower impeller are arranged on the rotating shaft and are opposite in installation direction; the upper impeller is arranged in the upper air guide shell, and the lower impeller is arranged in thelower air guide shell; the upper air guide shell communicates with an upper air inlet, and the lower air guide shell communicates with a lower air inlet; a brake device is further arranged on the rotating shaft; and the gas po