Secondary precision bulging tool for continuous hot extrusion part

• Main Authors: GUO XIAOLIN, LI YANHUA, DONG DONG, WANG MENGTUAN, LIU YUPING, ZHANG TIEJUN, LIU QI, ZHOU XIAOJING
• Format: Patent
• Language: Chinese; English
• Published: 10.09.2019
• Subjects: AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL; MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING; MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL; PERFORMING OPERATIONS; PUNCHING METAL; TRANSPORTING

The utility model discloses a continuous hot extrusion part secondary precision bulging tool which comprises a sectioning forming die and an integral core die, the sectioning forming die is composed of 2-8 sections, and each section is of a conical structure with a cambered surface and is arranged on a force bearing portion between the outer side of the integral core die and the inner side of a product. The whole core mold is of a hollow conical structure and is arranged on the inner side of the sectioned molding bed, and the outer molded surface of the whole core mold is matched with the known theoretical inner molded surface of the sectioned molding bed. The bulging die is composed of the sectioning forming die and the integral core die, a formed part is arranged on the outer side of thesectioning forming die, the manufacturing requirement of a complex high-precision part is effectively met, and the technical problem of high-reliability and high-precision manufacturing of the complex hot extrusion part is s