Hydraulic sheet stacking and weighing system

Details Hydraulic sheet stacking and weighing system Hydraulic sheet stacking and weighing system

1982-07-26

1984-06-19

Paperner, Leslie J.

Material or article handling

With weighing

7386254, 177147, 187 20, 271217, 414 98, B65H 3108

Patent

active

044551150

ABSTRACT:
A mechanism for stacking and weighing sheets fed from a semi-continuous sheet cutter. The mechanism includes a hydraulic cylinder operatively connected to a stacking table so that as sheets are deposited onto the stacking table, the table is lowered by indexing the hydraulic cylinder. This continues until a full stack of sheets, having a predetermined number of sheets determined by weight, by height of the stack or by sheet count has been stacked on the table. The hydraulic cylinder comprises a hydraulic fluid reservoir, an electrically driven hydraulic pump, a four-way, three position hydraulic spool valve, a hydraulic cylinder and back pressure safety valve. A load cell connected between the hydraulic cylinder and the rest of the mechanism is connected to a scale device which will weigh the stack of sheets.

REFERENCES:
patent: 3028980 (1962-04-01), Lindquist
patent: 3104141 (1963-09-01), Roulina
patent: 3477712 (1969-11-01), Stotzer et al.
patent: 3583614 (1971-06-01), Foster
patent: 3605837 (1971-09-01), Lambert et al.
patent: 3905595 (1975-09-01), Adams et al.
patent: 4058178 (1977-11-01), Shinohara et al.
patent: 4137977 (1979-02-01), Alger

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