Punching and extruding tool for machining chain plate holes

• Main Authors: LI JIANWEN, QIN ZHICAI, ZHONG XIAONIAN, KUANG HEPING, LIU YANG
• Format: Patent
• Language: English
• Published: 22.04.2015
• 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 punching and extruding tool for machining chain plate holes. The tool comprises a punching and extruding handle and a punching and extruding head integrally, the end of the punching and extruding head is provided with a punching portion, and an extruding portion with the diameter slightly larger than that of the punching portion is arranged adjacent to the punching portion. By the aid of the tool, the machining process is simplified, and procedures are reduced; the punching head and a punching cutter are integrated as designed ingeniously, the consumption of the punching cutter is reduced, the surfaces of the extruding portion and punching portion are coated, by means of the lubrication of pressure resistant oil, the service life is long, and the tool can be replaced after machining 20000 parts; time is saved through the process and cutter replacement, the producing efficiency is improved, cost is saved, and the economic benefit is increased significantly.