Metal working – Means to assemble or disassemble – With signal – scale – illuminator – or optical viewer
Patent
1992-03-26
1993-07-06
Hall, Carl E.
Metal working
Means to assemble or disassemble
With signal, scale, illuminator, or optical viewer
29740, 29741, 29833, H05K 330
Patent
active
052242625
ABSTRACT:
An electronic parts mounting apparatus, has a part mounting head on which nozzles for holding different sized electronic parts can be exchangeably mounted; the suction nozzles each having a reflection member thereon for receiving light from below a suction end of the nozzle and reflecting it past the suction end of the nozzle; a recognizing device below the part mounting head for receiving light from the direction of the part mounting head; a first illuminating device adjacent the recognizing device for directing illuminating light to a reflection member on a nozzle on the part mounting head for causing the reflecting member to reflect the illuminating light past a part held on the suction nozzle to direct a transmitted light image of the part to the recognizing device; a shutter movable toward and away from the part mounting head adjacent a position of a nozzle thereon for, when the shutter moves toward a nozzle, engaging the nozzle and blocking light from the first illuminating device from reaching a reflecting member, the shutter absorbing light directed against a surface thereof facing the recognizing means device said shutter is in engagement with a nozzle; and a second illuminating device around the periphery of the recognizing means for directing illuminating light against a part held on a nozzle on the part mounting head for causing the part to reflect a reflected light image of the part to the recognizing device.
REFERENCES:
patent: 4628464 (1986-12-01), McConnell
patent: 5131139 (1992-07-01), Oyama et al.
Hata Kanji
Shimizu Takashi
Takaichi Susumu
Hall Carl E.
Matsushita Electric - Industrial Co., Ltd.
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