TOOL CHANGER FOR MACHINE TOOLS
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United States of America Patent
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N/A
Issued Date -
Jul 21, 2011
app pub date -
Jul 7, 2009
filing date -
Jul 7, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A tool changer for machine tools, especially for milling machines, with a tool double gripper, which is attached at the free end of an axially displaceable and rotatably mounted shaft and has two pliers-like tool holders. A drive motor is coupled kinematically with the shaft for the linear and rotary movements of the tool double gripper and with transmission means for converting the rotation of the motor shaft of the drive motor into the linear and rotary movements of the tool double gripper. The transmission means contains a worm gear driven by the drive motor, the worm gear drives a cam plate at the front end of which a lifting curve for the linear movement and a rotation curve are constructed. A driver of a rack and pinion drive coupled rotationally with the shaft engages the rotation curve, and a driver of a pivoting linkage translationally coupled with the shaft engages the lifting curve and is guided by it.
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