High-temperature-resistant and explosion-proof PET (polyethylene terephthalate) functional protective film

• Main Authors: HUI JIANFENG, BAO JIANGWEI
• Format: Patent
• Language: Chinese; English
• Published: 24.03.2023
• Subjects: CONVEYING; HANDLING THIN OR FILAMENTARY MATERIAL; HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; PACKING; PERFORMING OPERATIONS; STORING; TRANSPORTING

The utility model discloses a PET functional protective film integrating high temperature resistance and explosion protection, and relates to the technical field of PET functional protective films, the PET functional protective film comprises a winding drum, the outside of the winding drum is wound with a PET protective film, the outside of the PET protective film and the outside of the winding drum are provided with a sleeve, the sleeve is internally provided with an insertion hole, an insertion rod is inserted in the insertion hole, and the insertion rod is connected with the winding drum in a sleeved mode. A connecting plate is mounted at the top of the inserting rod, a sliding groove is formed in the connecting plate, a damping block is connected into the sliding groove, and a spring is connected to the bottom of the damping block. According to the PET protective film winding device, the connecting plate, the PET protective film, the winding drum, the pressing blocks, the damping blocks and the springs ar