Electronic component mounting apparatus and nozzle replacement

Details Electronic component mounting apparatus and nozzle replacement Electronic component mounting apparatus and nozzle replacement

1997-03-21

1998-11-10

Griggs, William R.

Tool changing

With signal or indicator

29740, 483 58, B23Q 3155

Patent

active

058335919

ABSTRACT:
An electronic component mounting apparatus for determining whether or not a nozzle replacement operation is successfully performed. A horizontal array of nozzles are accommodated in the holder in a nozzle stocker, and a light emitting device and a light receiving device are arranged so that the light path between both runs above the nozzles. The nozzle stocker is arranged in a travel path of a feeding head. The nozzle mount of the feeding head returns a used nozzle into the holder or mounts a new nozzle thereon. When any nozzle remains lifted from the holder intercepting the light path, a returning operation of the used nozzle is determined to be a failure. When a nozzle replacement is performed, its success or failure is reliably determined by detecting a intercepting height of light and release height of light by the nozzle and nozzle mount, respectively.

REFERENCES:
patent: 5018266 (1991-05-01), Hutchinson et al.

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