Workpart transfer mechanism for stamping press

Details Workpart transfer mechanism for stamping press Workpart transfer mechanism for stamping press

1993-12-21

1996-01-16

Gerrity, Stephen F.

Presses

Plural presses

With material transfer from press to press

72405, 1984686, 414752, B30B 1530

Patent

active

054838762

ABSTRACT:
A workpart transfer assembly (10) shuttles workpart stampings from a forming die (14, 16) of one stamping press (12) to a remotely spaced successive forming die (14, 16) in another stamping press (12) while the two stamping presses (12) cycle in unison. The assembly (10) includes a base (18) stationed in a clearance between the two stamping presses (12). A dual drive and dual rail transfer shuttle (26) slides on the base (18) between two oppositely extending cantilever positions. A carriage (44) slides along the transfer shuttle (26). A dual screw drive mechanism drives the transfer shuttle (26) on the base (18) while at the same time driving the carriage (44) along the transfer shuttle (26), thereby effecting highly accelerated movement of the carriage. A lift screw mechanism is carried on the carriage (44) for raising and lowering a slide plate (60) during the shuttling operation. The slide plate (60), in turn, supports a pair of oppositely extending cantilevered arms (50) having suction cup ends (52) for grasping and releasing workparts to and from the forming dies (14, 16) and a central workpart rest platform (54).

REFERENCES:
patent: 3233751 (1966-02-01), Bannon
patent: 3312463 (1967-04-01), Van Hoose et al.
patent: 4509638 (1985-04-01), Kato et al.
patent: 4523889 (1985-06-01), Orii
patent: 4697448 (1987-10-01), Stevens, Jr. et al.
patent: 4770598 (1988-09-01), Kotani
patent: 4921387 (1990-05-01), Bennington
patent: 5013210 (1991-05-01), Bond

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