Cylindrical film cutting device

The utility model discloses a cylindrical film cutting device, including support seat and cutter subassembly, the support seat is provided with the film inlet, the cutter subassembly includes synchronization ring, cutter module and transmission module, the synchronization ring is provided above the film inlet, the synchronization ring is connected with the film inlet in a movable mode, the cutter module is provided with the transmission module, and the transmission module is provided with the transmission module. The cutter module is fixedly connected with the synchronous ring, the transmission module is fixedly connected with the supporting seat, and the transmission module is movably connected with the synchronous ring. The transmission module drives the synchronous ring to rotate at the film inlet, so that the cutter module is driven to rotate around the barrel film to cut off the barrel film, automatic film cutting is achieved, labor cost is saved, and production efficiency is improved. The cylindrical fi