Mold, molding system and molding method for high stretching of in-mold decorative film

A mold for high stretching of an in-mold decorative film, wherein the mold comprises an upper base, a stationary mold, a film pressing frame, a movable mold and a lower base which are sequentially arranged from top to bottom, and wherein the film pressing frame is capable of moving up and down, and a film to be stretched is provided between the film pressing frame and the stationary mold;

• wherein a cavity block is fixedly provided in the stationary mold, a lower surface of the cavity block is provided with air holes and an upper surface of the cavity block is provided with a vacuum air pumping cavity, and the air holes are communicated with the vacuum air pumping cavity;
• and the stationary mold is provided with a vacuum air pumping channel communicated with an outside at a position matched with the vacuum air pumping cavity, and the vacuum air pumping cavity is communicated with a vacuum air pump outside a mold body through the vacuum air pumping channel;
• and
• wherein a core block is fixedly provided in the movable mold, and a core ejection movable block is provided in the core block;
• the core ejection movable block is capable of moving up and down, and a limit of upward movement is to keep a distance of a film thickness from the cavity block;
• the core ejection movable block and the movable mold are provided with heated air inlet channel communicated with the outside, and the core block and the movable mold are provided with air outlet channel communicated with the outside;
• and the heated air inlet channel is communicated with an air outlet of a compressed air heater outside the mold body through a pipeline, and the air outlet channel is communicated with an air inlet of the compressed air heater through a pipeline.