Centering clamping mechanism of grinding machine for carrying out operation on diesel engine exhaust valve

• Main Authors: MA JILI, LI HAIWEN, SHEN YIMIN, YANG PENG
• Format: Patent
• Language: Chinese; English
• Published: 03.02.2010
• Subjects: DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS; GRINDING; MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; PERFORMING OPERATIONS; POLISHING; TRANSPORTING

The utility model relates to a centering clamping mechanism of a grinding machine for carrying out operation on a diesel engine exhaust valve, which comprises a machine frame assembly, a main shaft, aworking rotating disc, a driving wheel and a centering clamping assembly. The working rotating disc is fixedly connected with the main shaft, the driving wheel drives the main shaft to rotate, and the centering clamping assembly which is arranged on the working rotating disc is used for clamping a valve rod of the exhaust valve. The characteristics of the centering clamping mechanism are as follows: the machine frame assembly, the main shaft and the driving wheel are arranged below the working rotating disc; the top part of the main shaft is fixedly connected with the bottom part of the working rotating disc; a step is arranged below the inner wall of the main shaft; the centering clamping assembly comprises an outer taper sleeve, an opening taper sleeve and a spacing screw rod; the outertaper sleeve which is joi