Self-cleaning device for cigarette capsule detector of cigarette making machine

The utility model provides a cigarette capsule detector self-cleaning device of a cigarette making machine, the cigarette capsule detector comprises a transmitting bin and a receiving bin which are arranged up and down, the bottom of the extension section of the transmitting bin is provided with a photon transmitting port, the front side of the receiving bin is provided with a receiving end support, and the receiving end support is provided with a receiving end. The area between the photon emission port and the receiving end is a detection area, a transparent dustproof film is attached to the photon emission port in the bottom of the extending section of the emission bin, the photon emission port is completely covered with the transparent dustproof film, blowing connecting pipes are arranged on the left side and the right side of the receiving bin respectively, and the rear ends of the blowing connecting pipes are connected to a positive pressure air source through air pipes. The front end of the injection co