Mechanical parts ejector for trim press

Details Mechanical parts ejector for trim press Mechanical parts ejector for trim press

1991-05-24

1993-04-06

Yost, Frank T.

Cutting

With product handling means

Initiated by means directly responsive to tool movement

83 97, 83125, 83128, 83135, 83405, B26D 718

Patent

active

051993406

ABSTRACT:
Apparatus for trimming and ejecting articles integrally thermoformed in a sheet of thermoplastic material from the sheet including a pair of opposed trim dies which will trim parts out of a web of thermoplastic material. Apparatus is provided for pushing the trimmed parts out of the trimming station at a greatly accelerated rate. The apparatus includes a pusher member reciprocally movable in a to-and-fro path of travel between a retracted position and a forward ejecting position. Apparatus is provided for moving the ejector mechanism in the to-and-fro path and includes a toggle linkage mechanism which engages a cam for movement between relatively folded positions on one side of a plane and relatively oppositely folded positions on the opposite side of the plane to rapidly advance and even more rapidly retract the pusher member.

REFERENCES:
patent: 1097727 (1914-05-01), Ohliger
patent: 3461760 (1969-08-01), White
patent: 4068520 (1978-01-01), Carrieri
patent: 4313358 (1982-02-01), Brown
patent: 4391171 (1983-07-01), Wendt

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