Protective cover for ceiling film production forming process

The utility model provides a protective cover for a ceiling film production forming process, relates to the field of protective covers, and solves the problems that patterns cannot be quickly dried after printing is finished, and the quality of the patterns is reduced due to the fact that the patterns which are not dried are easily contaminated by dust at the moment. A protective cover for a ceiling film production forming process comprises an installation base. And the mounting base is a discharge port base of the ceiling film forming printer. When the draught fan rotates, airflow drives heatto be sprayed outwards through the drying box. The fan forms a structure for guiding heat in the drying box and replacing gas; the cover plate is provided with a plurality of air outlet holes in a rectangular array shape, and the air outlet holes are of a conical hole-shaped structure, so that when air is sprayed out of the air outlet holes, diffusion can be conducted, impact on the ceiling filmis reduced, and the situat