| 摘要 |
PURPOSE: An elastic-piece forming device for both ends is provided to enhance the quality of a product by forming both elastic pieces to have the same characteristics by simultaneously operating forming cams. CONSTITUTION: An elastic-piece forming device for both ends comprises lower and upper holders(10,50), a push punch(70), a lifting holder(30), forming cams(24) and a driving lifter(38). The lower and upper holders comprise lower and upper retainers(20,60). The upper holder lifts relatively to the lower holder. The push punch lifts with the upper holder. The lifting holder is installed in the die pocket(22) of the lower retainer. The lifting holder goes down by the push punch. Forming units are formed on both ends of the forming punch of the lifting holder. The forming cams are installed in the die pocket and rotate on rotation center. The forming cams comprises a forming unit and an interlocking sill(28).
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