Punch assemblies and universal punch therefor

摘要

A punch tip (16) design configured to be universal in its application with wide varieties of punch assemblies, and various punch body (14) designs from which universal application of the punch tip (16) is exemplified. Ancillary components (34, 16, 50) used with the various punch body (14) designs enhance ease by which the operator can selectively manipulate the same for alternately securing or releasing the punch tip (16).

主权项

1. A punch tool comprising:
a punch body having a sidewall that defines a central cavity, the central cavity extending along a longitudinal extent of the punch body; a punch tip comprising a body having a first end configured to be alternately secured or released with respect to the punch body and a second end comprising a working end of the punch tip, the first end including a hub; a carrier body seated within the punch body central cavity and selectively movable between raised and lowered positions within the cavity; and a plurality of wedge members movable between locked and unlocked positions within the punch body central cavity and respectively corresponding to the raised and lowered positions of the carrier body, said locked position of the wedge members corresponding to a locking configuration of the punch body with respect to the punch tip hub; wherein each of the plurality of wedge members includes a surface having a shape configured to mate with a corresponding surface of the punch tip hub, the surfaces of the wedge members and the punch tip hub representing the only contacting surfaces between the wedge members and the punch tip hub in securing the punch tip to the punch body.