Drawing die

• Main Authors: WEI XIANBO, LI GONGFU, FENG QINGFENG, WU CHENGMING, DENG JINSONG
• Format: Patent
• Language: Chinese; English
• Published: 18.06.2014
• 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 utility model provides a drawing die, and belongs to the technical field of machines. The drawing die solves the problems that an existing drawing die is large in partial reverse forming or partial height difference, and drawing cracking, wrinkling and insufficient plate extension of plates are caused when parts are formed. The drawing die comprises a male die seat, a male die, a female die seat and a female die, wherein an edge press ring is arranged outside a protruding head of the male die in a sleeved mode, and an elastic piece is arranged between the edge press ring and the male die seat. The female die comprises a fixed die block and a movable die block, a pressure source is arranged between the movable die block and the female die seat, and the power source enables a reverse forming part of a workpiece to be in a popup state before drawing is carried out and generate compression in the drawing process. By using the drawing die for carrying out the drawing technology, the probability of movements of