Transfer feed mechanism for power presses

Details Transfer feed mechanism for power presses Transfer feed mechanism for power presses

1986-07-30

1988-11-22

Crane, Daniel C.

Metal deforming

By plural tool-couples

With means to feed work between plural tool stations

198621, 74833, B21J 1308

Patent

active

047856572

ABSTRACT:
A transfer feed mechanism, for use in a power press, is disclosed. The feed mechanism comprises multiple finger units for moving successive workpieces along a plurality of different axes so as to transfer the workpieces to desired work stations in desired positions and attitudes. The feed mechanism includes a power takeoff from the main drive of the power press, a plurality of drive means connected to the power takeoff for driving the finger units along the different axes in synchronism with the power press, and a secondary drive motor for driving the finger units along at least one of the axes independently of the power takeoff. The drive means includes at least one differential mechanism connected to both the power takeoff and the secondary drive motor to permit the finger units to be selectively driven by either the power takeoff or the secondary drive motor.

REFERENCES:
patent: 3120770 (1964-02-01), Hoyt
patent: 3263480 (1966-08-01), Carlson
patent: 3701410 (1972-10-01), Shields
patent: 3805582 (1974-04-01), Logan
patent: 4151907 (1979-05-01), Doty
patent: 4330262 (1982-05-01), Kranzl et al.

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