Head assembly for part mounting apparatus and part mounting apparatus adopting the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 30, 2001
Grant Date -
N/A
app pub date -
Mar 13, 2000
filing date -
Mar 13, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A head assembly for a part mounting apparatus includes a housing, a plurality of rod housings installed to be capable of elevating with respect to the housing, a plurality of voice coil motors fixed to the housing to be capable of elevating the respective rod housings, a plurality of spindle motors, each having a part picking device at an end portion thereof, installed to be capable or rotating with respect to the respective rod housings and elevating together according to the elevation of the rod housings, a plurality of linear position transformers installed at the respective voice coil motors for detecting and controlling the position of elevation of each of the rod housings, a first pinion gear installed at the outer circumferential surface of the spindle unit to rotate the spindle unit, a rack gear engaged with the first pinion gear and reciprocating with respect to the housing, a rack gear driving motor installed at one side of the housing to linearly reciprocate the rack gear, and second pinion gear coupled to a rotation shaft of the rack gear driving motor and engaged with the rack gear.
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