System and method for chip orientation

Details System and method for chip orientation System and method for chip orientation

1990-05-08

1991-09-03

Bucci, David A.

Material or article handling

Apparatus for moving intersupporting articles into, within,...

Stack forming apparatus

414755, 406 86, 406 87, 198399, 198380, B65H 2924, B65H 2932

Patent

active

050448722

ABSTRACT:
A queue of randomly oriented chips is advanced down a track. Each chip in the queue is sequentially and individually elevated into a pneumatic circuit and pressed against a mirrored surface of an upper slide member to which it adheres if the chip was oriented with upwardly disposed solder lands. A jet of compressible fluid insufficient in magnitude to dislodge the chip is injected in a direction toward the queue. If the chip, alternatively, was oriented with the solder lands down, this fluid jet propels the chip about the oval-shaped pneumatic circuit so as to reorient the chip with the lands extending in the desired upward orientation, whereupon the chip is injected into a storage magazine. If the chip was adhered to the mirrored surface, after the first fluid jet, a second fluid jet is introduced to dislodge the correctly oriented chip from the mirrored surface, whereupon a third fluid jet oriented in a direction opposite to that of the first jet and in the direction of the advancing queue, propels the correctly oriented chip along a passageway to the storage magazine. This passageway joins with the oval-shaped inverting passageway which was employed to reorient or flip incorrectly disposed chips as they traversed the reorienting oval.

REFERENCES:
patent: 2805898 (1957-09-01), Willis
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patent: 3622151 (1971-11-01), Range et al.
patent: 3874740 (1975-04-01), Hurd
patent: 4135630 (1979-01-01), Snyder et al.
patent: 4172513 (1979-10-01), Bradstreet et al.
patent: 4801043 (1989-01-01), Cindric
patent: 4840697 (1989-06-01), Goodfellow et al.
patent: 4960360 (1990-10-01), Giannuzzi et al.

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