PUNCH UNIT FOR PUNCHING THIN METAL SHEET, AND PUNCHING DEVICE FOR THIN METAL SHEET PROVIDED WITH THE PUNCH UNIT

摘要

PROBLEM TO BE SOLVED: To provide a punch unit for punching a thin metal sheet assembled easily in a short time when manufactured, repaired, maintained and so forth, and capable of reducing a manufacturing cost, a maintenance expense and the like, and a punching device for the thin metal sheet provided with the punch unit.;SOLUTION: The punching device 1 for the thin metal sheet includes an upper die holder 2 elevated by a hydraulic ram or the like; a pressing plate 3 fixed to the upper die holder 2, a pressing pad 5 suspended from the upper die holder 2 via an elastic member 4, a punch holder 7 as the punch unit fixed to the pressing pad 5 with a bolt 6, a lower die 9 mounted with the thin metal sheet 8 subjected to punching work, and a die 10 embedded into the lower die 9.;COPYRIGHT: (C)2013,JPO&INPIT