Modular die transfer system

Details Modular die transfer system Modular die transfer system

1995-10-20

1996-11-12

Crane, Daniel C.

Metal deforming

By plural tool-couples

With means to feed work between plural tool stations

1986213, B21D 4305

Patent

active

055728987

ABSTRACT:
A die transfer system for transferring workpieces through successive dies stations in a stamping press includes an elongated finger bar having spaced fingers for engaging workpieces at successive die stations. A drive module for reciprocating the finger bar laterally into and out of engagement with the workpieces at the die stations, and for lifting the workpieces above the level of the die stations for longitudinal transfer between die stations. The drive module has a crank arm coupled to the drive shaft for rotating the crank arm about an axis parallel to the finger bar. A cam plate is coupled to the finger bar and mounted for movement lateral to the crank arm axis and the finger bar. A cam follower is mounted on the crank arm and disposed in a slot on the cam plate, such that rotation of the drive shaft rotates the crank arm and propels the cam follower along the slot to move the cam plate and finger bar horizontally and vertically in sequence. A bearing element on the shaft is captured by structure on the cam plate to prevent horizontal movement of the cam plate and finger bar during motion in the vertical direction, and to prevent vertical movement during motion in the horizontal direction.

REFERENCES:
patent: 4032018 (1977-06-01), Wallis
patent: 5307666 (1994-05-01), Bianchi
Wallis, "Transfer Die Technology," Livernois Automation Company (1991).
"Rotary Cam Series Transfer Systems," Livernois Automation Company, Brochure LAC-2003 (Feb. 1990).

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