Patent ID: 9101986
Filing Date: 2015-08-11
Classification: B23B,B23Q,Y10T

Abstract:
1. A tool holder for holding a cutting tool, comprising: a housing; a sleeve movably assembled in one end of the housing for receiving the cutting tool; a switch fastened in the other end of the housing for electrically connecting with a control system of a main spindle of a CNC turning machine to control a movement of the main spindle; and an elastic member sleeved on the sleeve and received in the housing, wherein the elastic member is compressed to elastically resist with the sleeve and generates an elastic force to make the sleeve to move away from the switch, and the sleeve is slidably configured along an inner surface of the housing to compress the elastic member and contact the switch to stop the movement of the main spindle of the CNC; wherein the switch comprises a contact portion at one end thereof adjacent to the sleeve and a first electrical terminal and a second electrical terminal at the other end thereof, and the first electrical terminal and the second electrical terminal are electrically connected to the control system of the main spindle.