Transmission device of strip cigarette delivery system

The invention provides a transmission device of a strip cigarette delivery system, comprising a drive shaft and a one-path pneumatic clutch, wherein, the one-path pneumatic clutch comprises a shaft sleeve sheathed on the drive shaft, an axial movement tooth inlay wheel sheathed on the shaft sleeve, a positioning steel ball, a flat key, a chain wheel, a fixed tooth inlay wheel arranged on the chain wheel, a compression spring, a cylinder body, an axial movement bearing bush and a pneumatic guide pin, wherein, the chain wheel is arranged on the shaft sleeve through a bearing; the two ends of the compression spring respectively props against the right side of the bearing and the left side of the axial movement tooth inlay wheel; the cylinder body and the axial movement bearing bush are respectively arranged on the shaft sleeve through a radial ball bearing; one end of the pneumatic guide pin is arranged in the cylinder body; the other end of the pneumatic guide pin is arranged at the right side of the axial move