Three-dimensional work transfer apparatus

Details Three-dimensional work transfer apparatus Three-dimensional work transfer apparatus

1983-08-17

1985-09-10

Valenza, Joseph E.

Conveyors: power-driven

Conveyor section

Load simultaneously engaged between and moved by a plurality...

198774, B65G 2500

Patent

active

045400873

ABSTRACT:
Apparatus particularly well suited for successively transferring generally flat workpieces through a series or processing stations in a transfer press. Included are a pair of transfer bars extending horizontally in parallel spaced relation to each other. Disposed adjacent one end of the transfer bar pair, a feed mechanism longitudinally reciprocates the transfer bars. A pair of clamp mechanisms and a pair of lift mechanisms, disposed adjacent the opposite ends of the transfer bar pair, move the transfer bars toward and away from each other, and up and down, respectively. The transfer bars repeats the longitudinal, transverse, and vertical motions in a prescribed sequence for work transfer through the successive press stations. The feed, clamp, and lift mechanisms are all driven by respective DC servomotors so that the longitudinal, transverse, and vertical strokes of the transfer bars ar infinitely variable. The apparatus may additionally comprise overload protection mechanisms for preventing the bending or breaking of the transfer bars when the latter are overloaded during movement toward each other.

REFERENCES:
patent: 3456814 (1969-07-01), Bautz
patent: 3738503 (1973-06-01), Wallis
patent: 3757961 (1973-09-01), Jacobs
patent: 4359153 (1982-11-01), Gerben et al.
patent: 4436199 (1984-03-01), Baba et al.
patent: 4462521 (1984-07-01), Takagi

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