Transfer device in a transfer press or similar metal-forming mac

Details Transfer device in a transfer press or similar metal-forming mac Transfer device in a transfer press or similar metal-forming mac

1990-06-25

1991-03-26

Crane, Daniel C.

Metal deforming

By plural tool-couples

With means to feed work between plural tool stations

198621, B21D 4305

Patent

active

050019210

ABSTRACT:
A transfer device permits different moving sequences of holding devices for the sheet metal parts which are to be moved through the metal-forming machine. The holding devices are fastened to carriages. The carriages are cam-guided, in which case a first carriage carries out a transfer movement from a working stage to an idle stage while taking along a sheet metal part. The return movement is interrupted in an intermediate position during the deforming operation of the sheet metal parts. A second Carriage carries out a transfer movement from the idle stage to a working stage and a return movement which is temporarily interrupted in an intermediate stage. The vertically extending motional parts of curves are used for the picking-up and depositing of sheet metal parts in working stages; the extended lowering movement is used for the depositing of the holding devices on sliding tables which can be moved into the press. As a result of the low-mass construction by means of carriages, high accelerations are possible in the movements. The transfer movements are shortened significantly by the use of intermediate depositing devices in the idle stages.

REFERENCES:
patent: 4557133 (1985-12-01), Mikasch
patent: 4866974 (1989-09-01), Shiraishi
patent: 4873860 (1989-10-01), Werner

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