Ejector pin inward shrinkage die

The utility model discloses an ejector pin internal shrinkage die, which relates to the technical field of dies, and comprises a die holder, a moving module, a cavity and a product, the moving module comprises an upper module and a lower module, the moving module is movably arranged in the inner cav...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ZHOU ZHEN, QI YONGXING, SONG YAFENG, UEDA, TAKESHI
Format: Patent
Sprache:chi ; eng
Schlagworte:
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Beschreibung
Zusammenfassung:The utility model discloses an ejector pin internal shrinkage die, which relates to the technical field of dies, and comprises a die holder, a moving module, a cavity and a product, the moving module comprises an upper module and a lower module, the moving module is movably arranged in the inner cavity of the die holder, and a hydraulic rod for controlling the moving module to move up and down is arranged in the die holder. The mold cavity is formed in the top surface of the mold base, and the product is arranged in the mold cavity; according to the utility model, after a product is formed in the die cavity, the inward shrinkage ejector pin and the conventional ejector pin upwards eject the product, and when the tops of the inward shrinkage ejector pin and the conventional ejector pin move along with the product, the limiting meson of the inward shrinkage ejector pin can abut against the top surface of the inner cavity of the die holder, so that the inward shrinkage ejector pin cannot continuously ascend alon