Automatic gluing device for packaging carton and working method

The invention discloses an automatic gluing device for a packaging carton and a working method. The automatic gluing device comprises a feeding and conveying unit, a carton board feeding unit, a firstdispensing unit, a first UV curing unit, a second dispensing unit, a second UV curing unit, a carton board discharging unit, a discharging and conveying unit, a carton board circumferential rotatingconveying unit and a rotating workbench. The rotating workbench is divided into a feeding station, a first dispensing station, a first UV curing station, a second dispensing station, a second UV curing station and a discharging station. The carton board circumferential rotating conveying unit can rotate by 360 degrees to sequentially pass through the feeding station, the first dispensing station,the first UV curing station, the second dispensing station, the second UV curing station and the discharging station. The automatic gluing device is simple and reasonable in structure, easy to produceand high in automation degr