Packaging material feeding mechanism of packaging machine

The utility model relates to the technical field of film packaging, and discloses a packaging material feeding mechanism of a packaging machine. The lifting mechanism comprises a rotating shaft arranged at the bottom of the support, a lifting arm is connected to the rotating shaft, the length of the lifting arm is matched with the height of the side, facing the lifting arm, of the support, a bearing position is arranged at the other end, back to the rotating shaft, of the lifting arm and used for fixing the packing material, and a driving mechanism is further arranged in the support to be connected with the lifting arm; the fixing groove is formed in the upper end face of the support, the support connected with a center shaft of the packing material roll is arranged in the fixing groove, and a brake clutch is further arranged at the bottom of the fixing groove and connected with the center shaft. The packing material roll lifting device is simple in structure and convenient to use, manpower or a forklift is n