Tool changer for machine tool

Details Tool changer for machine tool Tool changer for machine tool

1998-03-23

1999-06-01

Briggs, William

Tool changing

Including machine tool or component

Rotary spindle machine tool

483 39, 483 40, 483 41, 483 42, 483 43, 483 44, 483 45, 483 46, 483 50, 483 1, 483 51, B23Q 3155

Patent

active

059083743

ABSTRACT:
A tool changer for a machine tool includes an arm support disposed between a spindle head and a tool magazine to be reciprocally moved along the spindle relative to the spindle, a pair of tool changing arms mounted for rocking motion on support shafts further mounted on the arm support to cross the spindle, respectively, holding mechanisms on one ends of the tool changing arms respectively, and a rotating mechanism for rotating the tool changing arms by 180 degrees about a center shaft parallel with the spindle. Each holding mechanism has a moving pin and a spring for urging the moving pin in a direction of projection of the pin. The moving pins are engaged with a tool attached to the spindle and another tool located at a standby position of the tool magazine when the tool changing arms are rocked about the support shafts so that the tools are detachably held by the holding mechanisms respectively.

REFERENCES:
patent: 3492717 (1970-02-01), Seidel et al.
patent: 3579812 (1971-05-01), Pfister
patent: 3608188 (1971-09-01), Seidel
patent: 3719907 (1973-03-01), Seidel
patent: 3953918 (1976-05-01), Bone et al.
patent: 3964616 (1976-06-01), Piotrowski
patent: 3990585 (1976-11-01), Johansson
patent: 4575918 (1986-03-01), Mattson
patent: 4835838 (1989-06-01), Hirose

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