Apparatus for exchanging workpieces
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United States of America Patent
Stats
-
Oct 21, 2003
Grant Date -
May 2, 2002
app pub date -
Sep 28, 2001
filing date -
Sep 29, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention provides an apparatus for exchanging workpieces which reduces the time required for exchanging workpieces by cutting down to a minimum the moving distance and the waiting time of a workpiece transport means. By the movement of a headstock 1, a chuck 2 transports a finished workpiece WA and an unfinished workpiece WB between a machining section near a tool rest 3 and a conveyer 4. The conveyer 4 conveys the finished workpiece WA from a workpiece exchanging position 4a and conveys the unfinished workpiece WB into the workpiece exchanging position 4a. A shift cylinder 11 transfers the unfinished workpiece WS from the conveyer 4 to a waiting station 6. An elevating plate 7 and a slider 9 transfer the finished workpiece WA from the chuck 2 to the conveyer 4. A lift cylinder 13 transfers the unfinished workpiece WB from the waiting station 6 to the chuck 2.
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