Finger opening and closing mechanism for tool exchanging device

Details Finger opening and closing mechanism for tool exchanging device Finger opening and closing mechanism for tool exchanging device

1997-08-14

1999-08-17

Briggs, William

Tool changing

Including machine tool or component

Rotary spindle machine tool

483 38, 483902, B23Q 3157

Patent

active

059385782

ABSTRACT:
An outer shaft gear installed at an external side of a pivoting shaft for pivoting a tool exchange arm main body is fitted to a finger driving cam shaft, a driving force from an ATC drive shaft is transmitted via the outer shaft gear to a finger driving cam installed to the finger driving cam shaft, and a driven portion in contact with the finger driving cam is operated by which fingers FA and FB at front ends of pairs of fingers are opened. When the fingers FA and FB are not pressed by the operation of the finger driving cam, the fingers FA and FB are closed by urging forces of springs.

REFERENCES:
patent: 4091526 (1978-05-01), Nakaso
patent: 4833772 (1989-05-01), Kobayashi et al.
patent: 5081762 (1992-01-01), Kin
patent: 5620406 (1997-04-01), Bae

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