Cooling device for film blowing of packaging bag

The utility model discloses a cooling device for packaging bag film blowing, which comprises a mounting bottom plate and a safety barrier, the safety barrier is mounted at the top end of the mounting bottom plate, an air blower is arranged at the top end of the mounting bottom plate close to the left end, and an air dispersing device is arranged at the right end of the air blower. The air dispersing device comprises a connecting pipeline, an air dispersing plate and an air outlet hole, then the mounting bottom plate is mounted on the whole machine and then fixed through bolts, after the mounting bottom plate is fixed, a product can be produced below the mounting bottom plate, and after the produced product is produced, a material blown into a barrel through the clamping device is clamped through the sliding device; when materials pass through the sliding device, the air blowers in the cooling devices on the two sides can blow air into the connecting pipelines in the air dispersing devices, then the cooling ai