The utility model discloses a blow molding cavity structure for in-mold labeling of an injection blow molding machine, comprising an upper mold and a lower mold which are matched with each other, the upper mold and the lower mold are symmetrical to each other and have the same structure, at least two cooling water channels are arranged in each of the upper mold and the lower mold, a parison is arranged between the upper mold and the lower mold, mold cavities are arranged in each of the upper mold and the lower mold, a vacuum air path is arranged in each of the upper mold and the lower mold, the vacuum air path is arranged between the cooling water channels, at least two branch air paths are arranged on the vacuum air path, and the branch air paths are all communicated with the mold cavities. The utility model is suitable for in-mold labeling.

Country Code: CN

Application Number: CN201420188114.9