Cutting device for winding POF shrink film

The utility model discloses a cutting device for winding a POF shrink film, which belongs to the technical field of shrink film processing and comprises a supporting seat and a fixing frame fixed on the surface of the supporting seat, a hydraulic cylinder I is mounted on the surface of the fixing frame, a mounting plate is mounted at the bottom of a driving rod of the hydraulic cylinder I, a cutter is mounted at the bottom of the mounting plate, and the cutter is mounted on the supporting seat. A fixing pin is mounted in the supporting seat, a moving frame is slidably connected to the outer wall of the fixing pin, a supporting block is mounted at the top of the moving frame, a supporting frame is mounted on the surface of the supporting seat, a mounting box is movably connected into the supporting frame, and two positioning plates are movably connected to the lower portion of the mounting box. A guide pin is slidably connected into the positioning plate, a mounting frame is mounted at the bottom of the guide