Drawing die with puncturing structure

• Main Authors: XIE YANQIANG, ZHOU AIBING, LUO ZHEN, GAO XIANCHEN, WANG CHAO
• Format: Patent
• Language: Chinese; English
• Published: 25.08.2023
• Subjects: 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

The drawing die comprises an upper drawing die body and a lower drawing die body, two puncturing modules are arranged on the upper drawing die body, two avoiding modules are integrally formed on the lower drawing die body, each puncturing module comprises a mounting table and the puncturing structure, and the puncturing structures are located over a puncturing area of a plate. The avoiding module comprises a cutter groove used for containing the puncturing structure, the puncturing structure comprises a puncturing body, a puncturing blade located on the lower edge of the puncturing body, a pre-pressing round corner located on the other lower edge of the puncturing body and a material pressing face in transition connection with the puncturing blade and the pre-pressing round corner, and the puncturing area comprises a material pressing puncturing area and a material pressing-free puncturing area. The pre-pressing fillet corresponding to the material pressing piercing area is positioned at the front end of the