B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
100/31
B21D 43/05 (2006.01) B30B 15/30 (2006.01)
Patent
CA 1255962
A B S T R A C T Vertically extending guide racks are provided at both ends of a press crown and a slider is mounted on the guide racks in a vertically movable manner, while an eccentric axis of a main gear provided on a press crankshaft is engaged with a longitudinal groove formed in the slider in the forward/rearward direction of the press, thereby lifting and lowering the slider. The slider is also provided with a pinion meshing with the guide rack, and the pinion is provided with an eccentric pin. On the other hand, a drive rack is provided in the press in a vertically movable manner and in parallel to the guide rack, and the drive rack and slider are slidably supported with each other. The eccentric pin of the pinion is engaged with a lateral groove formed in the upper part of the drive rack in the forward/rearward direction of the press. A drive pinion meshing with the drive rack is pro- vided in a drive unit casing disposed in a press column or bed, and eccentric pin of this drive pinion is connected to a lever provided in the casing in a swinging manner by a fulcrum pin. Further, the lever is movable in the trasnfer direction of workpieces and is connected to a slide plate for supporting the feed bar.
513795
Arai Toshihiko
Kurishima Kenji
Kusunoki Masaharu
Oba Susumu
Odaka Tadao
Aida Engineering Ltd.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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