Large arc bending forming die

The utility model discloses a large arc bending forming die which comprises an upper die and a lower die, the bottom face of the upper die is provided with a first sliding groove, the top face of the lower die is provided with a second sliding groove, a bending head is inserted in the first sliding...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	CHEN YECHENG, ZHANG CHANGQING, WU HAIBIAO, HONG YONGJIANG
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 utility model discloses a large arc bending forming die which comprises an upper die and a lower die, the bottom face of the upper die is provided with a first sliding groove, the top face of the lower die is provided with a second sliding groove, a bending head is inserted in the first sliding groove in a sliding mode, and a bending concave position matched with the bending head in shape is inserted in the second sliding groove in a sliding mode. One side of the upper die and one side of the lower die are provided with stop blocks corresponding to the first sliding groove and the second sliding groove respectively and used for preventing the bending head and the bending concave position from moving, and the other side of the upper die and the other side of the lower die are provided with limiting plates corresponding to the first sliding groove and the second sliding groove in a sliding and inserting mode respectively and used for being matched with the bending head and the bending concave position in a