Cutting device for PBT (polybutylene terephthalate) copolyester waterproof moisture-permeable film

The utility model relates to the technical field of cutting devices, and discloses a PBT copolyester waterproof moisture-permeable film cutting device which comprises a base, a support is fixedly installed on one side of the top of the base, a flattening mechanism is arranged in the middle of the base, a positioning structure is movably arranged in the support, and a rocker is arranged on the side face of the support in a penetrating mode. A rack is installed at the end, away from the positioning structure, of one side of the flattening mechanism, a cutting device body is fixedly connected to the top of the rack, the bottom of the supporting plate is fixedly connected with the top of the rack, and a positioning box is slidably connected to the inner side of the supporting plate; the side, away from the supporting plate, of the positioning box is fixedly connected with a bearing, the side, away from the supporting plate, of the bearing is fixedly connected with an abutting pin roller, the front face, located i