Automatic tool change device for printed circuit board machines

Details Automatic tool change device for printed circuit board machines Automatic tool change device for printed circuit board machines

1992-11-06

1995-04-18

Bilinksy, Z. R.

Tool changing

With signal or indicator

483 52, 483 66, B23Q 3157

Patent

active

054074169

ABSTRACT:
The tool store comprises a prismatic drum having a number of cells in which the tools may be inserted singly or housed inside a magazine; and the tool change device comprises a pair of clamps operated singly and fitted to the work table. The clamps are moved simultaneously in a direction perpendicular to the axis of the drum, for withdrawing or loading the tool from/on to the drum or spindle; the tool being transferred between the drum and spindle by the work table; and a sensor being provided for detecting the tip of the tool inserted in the spindle and so adjusting the axial position of the tool in the spindle.

REFERENCES:
patent: 3779391 (1973-12-01), Sato et al.
patent: 4156962 (1979-06-01), Haller
patent: 4520551 (1985-06-01), Imhot
patent: 4590662 (1986-05-01), Noroya
patent: 4596067 (1986-06-01), Raiyeri
patent: 4658494 (1987-04-01), Ohtani et al.
patent: 4715108 (1987-12-01), Sugiyama et al.
patent: 4761876 (1988-08-01), Kosmowski
patent: 5068958 (1991-12-01), Kosmowski
Derwent Abstract SU 1,135,592 Sep. 1985.
Patent Abstracts of Japan JP 3,166,031 Jul., 1991.

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