Metal deforming – With means to drive tool – Including link-actuated tool support
Patent
1993-04-26
1995-04-25
Vrablik, John J.
Metal deforming
With means to drive tool
Including link-actuated tool support
74 44, B21J 918, F16H 2122
Patent
active
054088607
ABSTRACT:
A ram drive mechanism for an automated terminal crimping machine of the type having a rotating crank shaft with an offset crank pin (2) protruding therefrom and orbiting about the rotation axis of the crank shaft. The mechanism includes a ram (20) mounted for reciprocating motion in a first direction toward a crimping zone and in a second direction away from a crimping zone. The ram (20) carries tooling for performing a terminal crimping operation. The invention also includes a ram drive linkage comprising a drive link (40) having a pivotal connection with the crank pin (2) at one end. An other end of the drive link (40) has a pivotal connection with a link pin (50). The drive linkage reciprocates the ram (20) in accordance with orbiting of the crank pin (2). The ram (20) is arranged such that the one end of the drive link is disposed relatively further in the first direction than the other end of the drive link, whereby the drive link is in tension during the reciprocation of the ram toward the crimping zone.
REFERENCES:
patent: 232451 (1880-09-01), Brown
patent: 952979 (1910-03-01), Cummins
patent: 2542810 (1951-02-01), Gray
patent: 5014539 (1991-05-01), Eich
Bair William H.
Folk Kenneth F.
Kapalka Robert J.
The Whitaker Corporation
Vrablik John J.
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