| 主权项 |
1. A molding die structure of a molded article that has a molding cavity defined when a fixed die and a movable die are combined with each other and defines a shape of the molded article when a molding material of the molded article is injected into the molding cavity, the molding die structure comprising:
molding dies which are arranged in the fixed die and the movable die and each of which has a first transfer portion that transfers an optical functional surface of the molded article to the molding material; sleeves arranged in the fixed die and the movable die; accommodating portions that are simultaneously and coaxially formed in the sleeve of the fixed die and the sleeve of the movable die, respectively and accommodate the molding dies in a state that the fixed die and the movable die are combined with each other; and a fixed side molded article release member that is arranged in the fixed die and configured to be connected to or disconnected from the sleeve of the fixed die, wherein the fixed side molded article release member comprises: an insertion/removal hole portion into/from which the molded dies of the fixed die including the first transfer portion is inserted/removed in accordance with the connection/disconnection; and a second transfer portion that is arranged around the insertion/removal hole portion and transfers a portion other than the optical function surface arranged at a peripheral edge region of the optical functional surface in the molded article to the molding material, and the first transfer portion is released from the optical functional surface when the molding dies are removed from the insertion/removal hole portions in accordance with the disconnection in the connection/disconnection while maintaining a contact state that the second transfer portion is in contact with the portion other than the optical functional surface of each molded article at the time of mold opening of the fixed die and the movable die. |
