Apparatus for changing blanks and tool automatically in a gear c

Details Apparatus for changing blanks and tool automatically in a gear c Apparatus for changing blanks and tool automatically in a gear c

1992-05-28

1993-05-25

Briggs, William

Tool changing

With means to transfer work

409 7, 483 31, B23Q 3157

Patent

active

052135594

ABSTRACT:
The apparatus is one by which blanks are changed automatically in a hobbing machine of the general type comprising at least one tool head capable of movement along horizontal and vertical axes and consisting essentially in a horizontal spindle and a coaxial outer bearing that can be moved toward and away from one another, between which a tool is supported and set in rotation; in the apparatus disclosed, a vertical post rotatable about its own axis carries a number of peripheral supports that feature two dissimilar structures, the one designed to restrain and/or support a tool and the other a blank, in such a way that the tool currently fitted to the head can be discarded and a replacement tool supplied automatically, utilizing the one type of support, whilst the blanks are changed by the other type.

REFERENCES:
patent: 3659496 (1972-05-01), Bergemann
patent: 3821835 (1974-02-01), St. Andre et al.
patent: 4287659 (1981-09-01), Erhardt et al.
patent: 4359815 (1982-11-01), Toyoda
patent: 4404727 (1983-09-01), Zankl
patent: 4587716 (1986-05-01), Byton
patent: 4590661 (1986-05-01), Lunazzi
patent: 4599786 (1986-07-01), Uhtenwoldt
patent: 4736512 (1988-04-01), Gusching et al.
patent: 4744707 (1988-05-01), Negri et al.
patent: 4759113 (1988-07-01), Hunkeler
Werkstaat & Betrieb, vol. 120, No. 10, Oct. 1987, Munich, Germany, pp. 833-836.
G. J. Kimmet, Automone Zahnrad-Fertigungszellen, p. 835, right column, Lines 5-13, FIG. 3.

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