| 摘要 |
PROBLEM TO BE SOLVED: To reduce labor for replacing a molding die in a fine blanking device provided with an auxiliary operation part to execute additional working. SOLUTION: A pair of the molding dies 20, 25 provided with the auxiliary operation parts to execute the additional working by auxiliary oil pressure to be introduced are respectively mounted to tables 10, 15 of a pressing device via general-purpose plates 11, 16. Conduits 12, 17, which constitute a part of a transmission conduit means to introduce the auxiliary oil pressure to the auxiliary operation part, are provided to the general-purpose plate. Coupler connection devices 30, 40 provided with head blocks 33, 43 capable of approaching/separating to/from one side of the corresponding general-purpose plate, are provided to the respective tables. Respective elements of couplers 36, 46, which introduce the auxiliary oil pressure from an auxiliary oil pressure supply source to the conduits in the general-purpose plate by being engaged with each other when they are approached, are provided between the head blocks. COPYRIGHT: (C)2004,JPO&NCIPI
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