Active flaring equipment for carton filling and sealing machine

The utility model provides a flaring device of an active case packer, which belongs to the technical field of cigarette packing auxiliary instruments and comprises an upper driving structure, a lower driving structure and a flaring piece with an upper flaring piece, a lower flaring piece and a bottom flaring piece. The upper driving structure comprises an air cylinder pull rod, a cross arm, a fixing bolt, an upper U-shaped piece, an upper clamping block and an upper rotating mechanism. A fixing bolt is fixedly connected with the cross arm and the air cylinder pull rod; an upper rotating mechanism penetrates through the connecting cross arm, the upper U-shaped piece and the upper clamping block; the lower driving structure comprises a transmission shaft, a lower rotating mechanism, a lower U-shaped piece and a lower clamping block; the transmission shaft is connected with the upper rotating mechanism and the lower rotating mechanism, and the lower rotating mechanism penetrates through the lower U-shaped piece