PUNCH MOLD

A punch tool includes a casing (17); a plurality of small-diameter punches (23) vertically movable and circularly arranged in the casing; a plurality of large-diameter punches (27) vertically movable and circularly arranged in the casing; a punch driver (73) provided to be vertically movable and rel...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: KOMIYA, HIDENORI
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:A punch tool includes a casing (17); a plurality of small-diameter punches (23) vertically movable and circularly arranged in the casing; a plurality of large-diameter punches (27) vertically movable and circularly arranged in the casing; a punch driver (73) provided to be vertically movable and relatively rotatable on an upper portion of the casing; and a striker (87) provided on the punch driver to be capable of striking the respective punches. Since stripper springs (51) corresponding to the respective small-diameter punches are provided. Since the respective large-diameter punches are arranged between the small-diameter punches, the stripper springs for the small-diameter punches on both sides of the large-diameter punch serve as stripper springs of the large-diameter punch.