Automatic tool exchange apparatus
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United States of America Patent
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-
Nov 29, 1988
Grant Date -
N/A
app pub date -
Sep 16, 1987
filing date -
Sep 19, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An automatic tool exchange apparatus includes a magazine for holding a plurality of freely detachable tools, a machine tool spindle whose distal end has a collet chuck in which a tool is loaded and which is tightened by a screw ring, a quill arm movable swingably and axially for engaging the screw ring, whereby rotation of the screw ring is inhibited, spindle rotating mechanism for rotating the spindle in a state where rotation of the screw ring is inhibited by the quill arm, whereby the spindle and screw ring are caused to rotate relative to each other to loosen the collet chuck, an exchange arm movable swingably between the spindle and magazine and axially for extracting one tool held by the magazine and mounting the one tool on the distal end of the spindle, swinging mechansim for swinging the quill arm and the exchange arm, and moving mechanism for moving the quill arm and the exchange arm in the axial direction.
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