| 摘要 |
<p>An adjustable punch tool assembly has quick release mechanisms which provide for rapid removal and replacement of the stripper plate and punch without the us e of tools. The stripper plate quick release mechanism includes slides mounted for axial movement along a front end of the guide by a button assembly and ball bearings. The quick release mechanism for the punch includes a retaining knob, a generally cylindrical ball bearin g holder provided in the punch driver, and a ball bearing sleeve wherein the knob is axially shiftable and releasably locked by ball bearings and groove combination therein. The heigh t of the punch is adjusted by rotating the guide, punch driver, driver sleeve and punch as a unit. An assembly jig which includes a pair of interconnected plates having a plunger rod extending therethrough is provided for facilitating adjustment, assembly, and disassembly of the punch unit.</p> |
