Punch change mechanism for a double pressure pin press

Details Punch change mechanism for a double pressure pin press Punch change mechanism for a double pressure pin press

1978-09-27

1980-05-20

Yost, Frank T.

Cutting

Means to drive or to guide tool

Plural tools selectively engageable with single drive

83556, 83618, B26F 102

Patent

active

042033365

ABSTRACT:
There is disclosed a punch change mechanism for a double pressure pin press or the like having a reciprocating press carriage and a punch holder plate swingably mounted thereon. The punch holder plate is driven by plate cams rotated by the main drive for the press through a gear train. The gear train includes a driven elongated first spur gear mounted on fixed structure against axial movement with respect thereto, and a second spur gear rotatably mounted on the carriage for reciprocation therewith parallel with the axis of the first spur gear and in constant mesh therewith, the second spur gear being fixedly connected to a shaft journalled on the carriage and having the cam plates fixedly mounted thereon.

REFERENCES:
patent: 1163116 (1915-12-01), Stiggins
patent: 3720127 (1973-03-01), Michelson

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