Hole punch mount for split rotary die punches

Details Hole punch mount for split rotary die punches Hole punch mount for split rotary die punches

1996-12-13

1998-12-01

Rada, Rinaldi I.

Cutting

Tool or tool with support

Joint or connection

83345, 83669, 83670, 83677, 83678, 83682, 83691, 8369861, B26D 726, B26F 114

Patent

active

058424016

ABSTRACT:
A punch assembly is provided for a rotary forms press, for punching holes in a sheet of paper or other material as the material travels between punch and die assemblies. The punch assembly is of the split ring type, and has a hub to be carried on a punch shaft and driven thereby. A split punch ring of multiple segments is provided, for mounting on the hub, with the segments being connected together. The punches are carried by the punch ring. There is a slip fit between the punch ring and the hub to allow movement between the punch ring and hub to accommodate minor repositioning of the punch ring and its punches as the punches enter holes of dies with which they will engage, with the slip fit allowing either rotary repositioning or axial repositioning. Clearance is provided to an enable a limited amount of axial repositioning.

REFERENCES:
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patent: 3828632 (1974-08-01), Grano
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patent: 4434690 (1984-03-01), Mauer
patent: 4805501 (1989-02-01), Nuttin
patent: 5394779 (1995-03-01), Meeks

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