Cooling device for plastic film production

The invention discloses a cooling device for plastic film production, and relates to the technical field of plastic film production, and the cooling device is characterized by comprising a box body, a pre-cooling mechanism, an air cooling mechanism and a conveying mechanism; a feeding hole is formed in one end of the box body, and a discharging hole is formed in the other end of the box body; the multiple air cooling mechanisms are arranged in the box body and used for cooling the two faces of the plastic film correspondingly, each air cooling mechanism comprises a supporting roller, an air pipe, air holes, a rotating connector, communicating pipes, a three-way connector, a draught fan and a driving assembly, and the draught fan can blow air into the two ends of the air pipe through the two communicating pipes; air in the air pipe is blown to the plastic film through the multiple air holes, the multiple supporting rollers are used for supporting the plastic film, a certain distance is reserved between the air