Shaping equipment for packaging box forming machine

The utility model discloses shaping equipment for a packaging box forming machine. According to the technical scheme, the device comprises an ultrasonic generator and a bracket, a paperboard channel is arranged on the bracket; a board feeding mechanism is arranged at a feeding hole of the paperboard channel; the board feeding mechanism comprises a board feeding push head used for pushing paperboards and a board feeding driving device used for driving the board feeding push head. The board feeding push head comprises a push face used for abutting against a paperboard at the bottom of the formedpackaging box and an abutting face located on the periphery of the push face and used for abutting against a paperboard on the side edge of the formed packaging box. The periphery of the paperboard channel is provided with a bearing plate capable of abutting against the outer side wall of a paperboard of the formed packaging box fed into the paperboard channel. A bearing driving device used for driving the bearing plate