Sealing mechanism of carton packaging machine

The utility model discloses a sealing mechanism of a paper box packaging machine, which comprises a paper box conveying belt and further comprises a glue groove, a driving device; one end of the gluing and buckling device is connected with the driving device, the other end of the gluing and buckling device faces the carton conveying belt, the gluing and buckling device comprises a buckling piece and a gluing piece which are arranged on the upper side and the lower side respectively, and the gluing piece is arranged in the glue groove; the driving device is suitable for driving the gluing and buckling device to do vertical reciprocating motion, the buckling piece is suitable for moving downwards and abutting against the upper surface of the upper cover of the paper box, and the gluing piece is suitable for moving upwards and abutting against the lower surface of the upper cover of the paper box. According to the carton gluing and sealing device, the gluing and buckling device is arranged, the driving device is