First of all, what is a blow molding machine? That is, the raw material can be heated and softened, the tubular parison can be extruded through the extrusion head, injected into the mold, the mold is clamped, compressed air is introduced, the parison can be inflated, adhered to the inner wall of the mold, and finally cooled and demolded, various hollow products. Come out! This is the general process of the pet bottle blow molding machine.