Apparatus and methods for transferring workpiece in a transfer p

Details Apparatus and methods for transferring workpiece in a transfer p Apparatus and methods for transferring workpiece in a transfer p

1999-04-27

2000-08-29

Crane, Daniel C.

Metal deforming

By plural tool-couples

With means to feed work between plural tool stations

724051, 7240501, 1986211, B21D 4305

Patent

active

061090875

ABSTRACT:
Cross bars 18, to which workpiece holders 19 are attached, are provided across a press line L, together with feed beams 14 between which the cross bars are installed and which are suspended from the lift beams 13 and can move freely in the horizontal direction of the press line. A feed and transfer device 52 can move the feed beams freely in the horizontal direction of the press line. A connecting rod 56 connects the feed beams and the rack beam in a freely rotatable manner. A connecting link 60 connects a point in the vicinity of an intermediate portion of the connecting rod to a bracket 58 installed on the rack beam, in a freely rotatable manner. An operating direction changeover mechanism 61 converts the differential movement caused by the curvature of the press transfer motion, produced in the feed beams when the lift beams are raised or lowered, into a horizontal movement in the direction of the press line in synchronism with the raising or lowering of the lift beams.

REFERENCES:
patent: 3876084 (1975-04-01), Munch
patent: 4361413 (1982-11-01), Toda
patent: 4728253 (1988-03-01), Oba

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