Electronic-part surface mounting apparatus

Details Electronic-part surface mounting apparatus Electronic-part surface mounting apparatus

1997-09-15

1999-10-05

Young, Lee

Metal working

Means to assemble or disassemble

Means to assemble electrical device

29DIG44, 29740, H05K 1304, H05K 330, B23P 1900

Patent

active

059605340

ABSTRACT:
An electronic-part surface mounting apparatus includes an S-Z shaft vertically movable with respect to the mounted surface of a printed circuit board on which mounted parts such as electronic parts are mounted, and rotatable in a plane parallel to the mounted surface; an arm member revolving around the S-Z shaft; a plural number of Z-shafts, supported by the arm member, being vertically movable with respect to the mounted surface; cam unit revolving around the Z-shafts to cause the Z-shafts to individually move in a reciprocating manner; attraction/mounting unit operating such that at a position where the Z-shafts come nearest to the mounted surface, the attraction/mounting unit releases the mounted part from its seizure by the absorption nozzle attached to the lower end of the Z-shaft and mounts the mounted part on the mounted surface. With one cycle of the cam unit, a plural number of Z shafts descend and ascend, so that the attracting and mounting work of the mounted part are successively carried out, thereby reducing their tact time.

REFERENCES:
patent: 4706379 (1987-11-01), Seno et al.
patent: 4872258 (1989-10-01), Ragard
patent: 4951383 (1990-08-01), Amao et al.
patent: 4979286 (1990-12-01), Nakayama et al.
patent: 5184397 (1993-02-01), Hidese

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