The present invention discloses a processing method for a medicinal plastic bottle, comprising: a. batching: accurately weighing raw materials according to the formula, adding weighed high-density polyethylene and polyethylene color masterbatch into a mixer in sequence, and completing mixing within a certain time; b. feeding and plasticating: adding the prepared material into the hopper of an injection blow molding machine, and completing plasticating through multi-stage heating and rotating conveying and stirring of a screw; c. injection: injecting the molten plasticated material into a distributor through a large nozzle, then injecting onto a core rod in an injection mold through the distributor to form a parison, and appropriately cooling to solidify the surface of the parison with the bottle neck formed; d. blowing: opening the press, lifting the central tower and connected core rods, rotating the core rods holding the parison into a blow mold, and then closing the blow mold; introducing clean compressed air from the core rods to blow the parison and make it cling to the inner wall of the blow mold cavity, and cooling for a short time to form a plastic bottle; e. demolding; f. packaging.

Country Code: CN

Application Number: CN201911210259.8