Gluing roller shaft, flange and gluing roller connecting structure of ZJ118 cigarette making machine

The utility model discloses a ZJ118 cigarette making machine gluing roll shaft, flange and gluing roll connecting structure, including: gluing roll shaft, the gluing roll shaft is equipped with the flange, gluing roll and locknut in proper order, the flange is installed on the gluing roll shaft through screw-thread fit and screw locking, the rear end face of the flange is equipped with kidney-shaped flat key and locating pin, the locating pin is equipped with the locating pin. A waist-shaped hole and a positioning hole are formed in the front end surface of the gluing roller, the waist-shaped hole is matched with the waist-shaped flat key, and the positioning hole is matched with the positioning pin, so that the flange is connected with the gluing roller. The device adopts a symmetrical waist-shaped flat key and positioning pin connection mode, is simple in structure, convenient to machine, reliable in work, uniform in stress and large in transmission torque, can ensure that two shafts have high centering pre