Self-locking nut three-point closing die

The invention relates to a self-locking nut three-point closing die. The self-locking nut three-point closing die comprises an upper die body and a lower die body. The lower die body comprises a cover plate, a fixed sleeve, an outer sleeve and a base. The upper die body and the cover plate are match...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SHEN YINLIANG, ZHANG YAN, CHEN QINFEI, GUO JUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	The invention relates to a self-locking nut three-point closing die. The self-locking nut three-point closing die comprises an upper die body and a lower die body. The lower die body comprises a cover plate, a fixed sleeve, an outer sleeve and a base. The upper die body and the cover plate are matched in shape and size. The outer sleeve is fixedly arranged on the base. The fixed sleeve is fixedly mounted in the middle of the portion, in the outer sleeve, of the base. A cylindrical containing region is arranged on the upper portion of the fixed sleeve inwards along the center of the upper surface. Three closing die bodies which are oppositely arranged and arranged at an angle of 120 degrees relative to one another are horizontally arranged on the side wall of the cylindrical containing region. The cover plate is arranged above the fixed sleeve. The cover plate is fixedly connected with the base through an extending-and-contracting moving mechanism. Under the pressure of the upper die body, the cover plate can