CHUCK EXCHANGING DEVICE OF CNC MACHINE TOOL

摘要

PURPOSE: An exchanging device for a chuck of CNC machine tool is provided to exchange the chuck easily, thereby improving working efficiency. CONSTITUTION: An exchanging device for attaching a chuck to a spindle of CNC machine tool comprises an actuator(50) mounted at rear end of the spindle. A draw bar(60) is connected to the actuator to move back and forth. A chuck clamp(70) is mounted at the end of the spindle. A plurality of wedges(72) are arranged along the circumference of the chuck clamp. A link member is hinge-connected to the wedges of the chuck clamp, and moves the wedges up and down by the transmission of the draw bar.