Degradable nano antibacterial PE film blow molding device and working method thereof

The invention discloses a degradable nano-antibacterial PE film blow molding device and a working method thereof.The degradable nano-antibacterial PE film blow molding device comprises an extrusion box and a film blowing box which are arranged on one side of the extrusion box, and a conveying pipe is fixedly installed between the extrusion box and the film blowing box; the cooling air ring is arranged above the film blowing box, a stabilizing cylinder is fixedly installed above the cooling air ring, a cooling ring box is fixedly installed at the upper end of the outer side of the stabilizing cylinder, a circulation ring box is fixedly installed at the upper end of the outer side of the cooling ring box, and a cold air pipe is fixedly installed on one side of the circulation ring box; and an air outlet pipe is fixedly mounted on one side of the lower end of the outer side of the cooling ring box. According to the blow molding device, the capacity of stably cooling a bubble pipe and limiting the diameter of the