Device for driving a slide in a link press

Details Device for driving a slide in a link press Device for driving a slide in a link press

1997-07-15

1998-12-15

Gerrity, Stephen F.

Presses

Reciprocating press construction

Range of movement adjustment

72446, 72450, 724525, 83530, 83626, 100282, 100285, 4254516, B30B 106

Patent

active

058485686

ABSTRACT:
A link mechanism for driving a slide in a machine press has a pivot pin with an adjustable position for varying the die height and the stroke length of the slide. A first link of the link mechanism is connected to a sliding member which is restricted to vertical movement in a groove. Another end of the first link is pivotally connected to a second link and a third link. Another end of the second link is pivotally connected to the pivot pin. Another end of the third link is connected to a plunger which is connected to the slide. The plunger is movably held in the machine press and restricted to vertical movement. The up and down motion of the sliding member is translated through the first link, second link, and third link into the up and down movement of the plunger and the slide.

REFERENCES:
patent: 1696849 (1928-12-01), Kelleher
patent: 4160409 (1979-07-01), Portmann
patent: 5317893 (1994-06-01), Eigenmann et al.
patent: 5531160 (1996-07-01), Eigenmann

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