Workpiece loading and unloading method and device for a plate pr

Details Workpiece loading and unloading method and device for a plate pr Workpiece loading and unloading method and device for a plate pr

1990-06-05

1992-06-09

Bucci, David A.

Material or article handling

Apparatus for charging a load holding or supporting element...

Load holding or supporting element including gripping means

414286, 414416, 414933, 414786, B21D 4320

Patent

active

051201780

ABSTRACT:
A workpiece loading and unloading method and apparatus are disclosed especially for plate processing machines, such as a punch press. The apparatus includes a workpiece storage device positioned on one side of the plate processing machine and having a plurality of vertically arranged shelves for supporting pallets for storing workpieces to be loaded and finished products unloaded from the machine. An elevator device is provided for moving pallets to and from the storage device to a load/unload station where a transfer device picks up a workpiece from the pallet and moves it to the machine for processing and also picks up the finished product from the machine and returns it to a finished product pallet.

REFERENCES:
patent: 3653525 (1972-04-01), Merkner et al.
patent: 4362454 (1982-12-01), Kripzak
patent: 4690021 (1987-06-01), Clark
patent: 4691817 (1987-09-01), Haar
patent: 4709605 (1987-05-01), Clark
patent: 4844680 (1989-07-01), Kawata et al.

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