Automatic material returning and punching device capable of replacing punching cutter

The utility model discloses an automatic material-returning punching device capable of replacing a punching cutter, a corresponding material-returning head with a spring is arranged in an inner cavity of the punching cutter, and meanwhile, by setting the shape and the size of the material-returning...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CHEN XIN, ZHANG YAN, ZHOU JUN, REN WENJUN, WU LEI, CHEN WEN, ZHANG ZHITAO, GUO SHENRONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CUTTING DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING,CUTTING-OUT, STAMPING-OUT OR SEVERING HAND CUTTING TOOLS PERFORMING OPERATIONS SEVERING TRANSPORTING
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