Molding method of vehicle speaker grill

A molding method of a vehicle speaker grill, comprising:

• a molding process of transferring a printed film to an injection molded product;
• and
• a post-process of processing the injection molded product to which the printed film is transferred,
• wherein the molding process includes charging #the printed film between a first mold provided with a film molding groove part and a second mold provided with an insert part that is opposite to the film molding groove part and provided with a plurality of irregularities,
• mold closing the first mold and the second mold so that an upper surface of the irregularity is in contact with the printed film,
• vacuum molding a charged printed film into the film molding grooce part,
• injecting a resin between the printed film and a concave portion of the irregularity, and transferring a portion of the printed film, which is in contact with the injection molded product, to the injection molded product side by heat of the injection molded product, wherein the portion of the printed film which is in contact with the injection molded product is cut off, and
• mold opening the first mold and the second mold and extracting the injection molded product to which the printed film is transferred, and
• the post-process includes removing the transferred portion other than the upper surface of the injection molded product from a transferred printed film by injecting air into the upper surface of an extracted printed film through an inlet opening of an air shower device,
• wherein the air shower device includes the inlet opening through which air flows in on one side and an outlet opening through which air flows out on a surface opposite the printed film, the outlet opening being smaller than the inlet opening.