Material pushing mechanism of packaging machine

The utility model discloses a material pushing mechanism of a packaging machine, which comprises a support, a sliding seat, a push rod, a push head, a swing rod and a driving mechanism capable of driving the swing rod to swing back and forth in a reciprocating manner, a front-back guide rail is arranged on the bottom face of the support, the sliding seat is installed on the guide rail and can move front and back along the guide rail, the rear end of the push rod is installed on the sliding seat, and the push head is installed at the front end of the push rod. The driving mechanism is installed on the support, and the upper end of the swing rod is installed on the support in a swing mode and connected with the power output end of the driving mechanism. The device is characterized by further comprising a buffer triggering mechanism; the lower end of the swing rod is connected with the sliding seat through a buffer triggering mechanism, and the signal output end of the buffer triggering mechanism is electrically