Film breaking prevention mechanism for producing plastic packaging film

The utility model relates to the technical field of plastic packaging film production, in particular to a film breaking prevention mechanism for producing a plastic packaging film. A film breaking prevention mechanism for producing a plastic packaging film comprises a base, a supporting plate is arranged on the base, a winding roller driven by a motor is arranged on the supporting plate, a film breaking prevention assembly is arranged on one side of the winding roller and comprises a fixing plate, a through groove is formed in the fixing plate, an air groove is formed in the side wall of the through groove, a fan and an air pipe are fixed to the top of the fixing plate, and an air opening is formed in the side wall of the air groove. Fixing rods are arranged on the side wall of the fixing plate, an auxiliary plate is arranged between the fixing rods, a groove is formed in one side of the air groove, a T-shaped sliding groove is formed in the side wall of the groove, a movable plate is arranged in the T-shaped