Film cutting mechanism for film sticking machine

The utility model provides a film cutting mechanism for a film sticking machine, which comprises a fixed plate, a driving roller is arranged on the fixed plate, a fixed box is arranged below the driving roller, an opening is arranged on one side of the fixed plate close to the fixed box, a hydraulic push rod is arranged on the fixed box, a rotating shaft is rotatably connected below the fixed plate close to the fixed box, and the hydraulic push rod is arranged on the rotating shaft. A rotating rod is arranged at the end, away from the fixing plate, of the rotating shaft, a first tool bit is rotationally connected to the top end of the rotating rod, a sliding rod is fixed to the bottom of the end, away from the rotating rod, of the first tool bit, a sleeve is slidably connected to the bottom end of the sliding rod in a sleeving mode, and a sliding block is arranged at the bottom end of the sleeve and slidably connected to the fixing box; compared with the prior art, the film rim charge cutting device has the a