Metal deforming – By plural tool-couples – With means to feed work between plural tool stations
Patent
1995-10-20
1997-06-24
Crane, Daniel C.
Metal deforming
By plural tool-couples
With means to feed work between plural tool stations
7240511, B21D 4305
Patent
active
056408757
ABSTRACT:
A die transfer system for transferring workpieces between successive die stations in a stamping press includes elongated finger bars having spaced fingers for engaging workpieces at successive die stations, a first drive module for reciprocating the finger bar laterally into and out of engagement with the workpieces at the die stations, and a second or transfer drive module for reciprocating the finger bar longitudinally for transferring workpieces between the successive die stations. The transfer drive module includes a pair of laterally spaced transfer drive mechanisms respectively positioned adjacent to the ends of the finger bars, and a bridge that extends between the transfer drive mechanisms. A pair of carriages are mounted on the bridge and coupled by lead screws to respective stepper motors for adjusting position of each carriage laterally of the bridge independently of each other. Each carriage is coupled to an associated finger bar by a quick-disconnect coupling arrangement. In this way, the transfer drive mechanism may be readily disconnected from the lateral drive mechanisms for replacement of the latter, and may be readily readjusted for and connected to new lateral drive mechanisms of differing configuration.
REFERENCES:
patent: 4032018 (1977-06-01), Wallis
patent: 4272981 (1981-06-01), Endter
patent: 5307666 (1994-05-01), Bianchi
patent: 5473927 (1995-12-01), Brandstetter
Wallis, "Transfer Die Technology," Livernois Automation Company (1991).
"Rotary Cam Series Transfer Systems," Livernois Automation Company, Brochure LAC-2003 (Feb. 1990).
Giles Lyle T.
Horde Boice F.
Crane Daniel C.
Livernois Die and Automation
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