Cold machining die for rotating shaft sleeve of excavator body

• Main Authors: WU YUANDUO, WAN YONG, HU HONGBING
• Format: Patent
• Language: Chinese; English
• Published: 16.05.2023
• 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 utility model discloses a cold machining die for a rotating shaft sleeve of an excavator body, which comprises a lower die holder and an upper die holder, positioning shafts are fixedly mounted at four corners of the top end of the lower die holder, and the exteriors of the four positioning shafts are movably connected with four corners of the upper die holder. An upper die plate and a lower die plate are installed at the bottom of the upper die base and the top of the lower die base through bolts in a threaded mode respectively, the inner wall of the upper die plate and the inner wall of the lower die plate sequentially comprise wear-resisting layers and reinforcing layers from inside to outside, a damping layer is arranged at the bottom of the lower die base, and a bottom plate is fixedly connected to the bottom end of the damping layer. According to the cold machining die for the excavator body rotating shaft sleeve, the upper die plate and the lower die plate which are easy to disassemble and assemble