Transverse seal free bag length setting mechanism of barrel film packaging machine

A transverse seal free bag length setting mechanism of a barrel film packaging machine comprises a base, a shaft frame, a plurality of transverse seal guide blocks, a plurality of longitudinal seal guide blocks, a plurality of longitudinal seal guide blocks, a plurality of longitudinal seal guide blocks, a plurality of longitudinal seal guide blocks, a plurality of longitudinal seal guide blocks and a plurality of longitudinal seal guide blocks, the first shaft and the second shaft are arranged in parallel; the sealing device is arranged on the first shaft and the second shaft and comprises aheating component; a bag length setting device; the material pulling device comprises a stepping motor and a material pulling roller connected with the stepping motor, the stepping motor is connectedwith a PLC, and the PLC sets the stroke of the stepping motor so as to determine the bag length. The packaging mechanism has the characteristics of being extremely convenient to use, simple in structure, easy to manufacture an