Packaging box conveying device of packaging box sealing tape-adhering machine

The utility model relates to a packaging box conveying device of a packaging box sealing tape-adhering machine, comprising a rack, a graduator, a conveying turntable, a packaging box feed-in mechanism, a packaging box lifting and rotating control mechanism, and a packaging box retreating mechanism, wherein the conveying turntable is fixedly arranged on an output shaft of the graduator and is provided with a plurality of packaging box placing holes which are distributed at equal intervals along the circumference of the conveying turntable; the graduator is provided with a packaging box feed-in station, a tape-adhering station and a packaging box retreating station; and the packaging box feed-in mechanism is arranged on a position corresponding to the packaging box feed-in station, the packaging box lifting and rotating control mechanism is arranged on a position corresponding to the tape-adhering station, and the packaging box retreating mechanism is arranged on a position corresponding to the packaging box re