Automatic tool changer

Details Automatic tool changer Automatic tool changer

1993-07-02

1994-04-05

Briggs, William

Tool changing

Including machine tool or component

Rotary spindle machine tool

483 67, B23Q 3157

Patent

active

053000064

ABSTRACT:
A machine tool having an automatic tool changer including a single drive motor for rotation and lateral movement of a tool storage magazine of the automatic tool changer. The single drive motor is connected to a transmission for selectively moving the magazine between a withdrawn storage position and an advanced position whereby a selected tool holder may be brought into engagement with the spindle. A carriage frame supports the magazine on a trackway for lateral movement and a rack gear extends parallel to a trackway. A speed reducer is connected to the drive motor and has an output shaft that supports a pinion gear positioned to engage the rack and a casing that is connected to the magazine. A locking pin is mounted to the carriage frame for selected movement between a first position whereby the magazine is locked and the rotation of the output shaft causes the carriage frame and magazine to advance along the trackway and a second position whereby the output shaft is locked and the rotation of the casing causes the magazine to rotate.

REFERENCES:
patent: 3526033 (1970-09-01), Saunders
patent: 3953918 (1976-05-01), Bone et al.
patent: 4117586 (1978-10-01), Uchida et al.
patent: 4122598 (1978-10-01), Pegler
patent: 4151918 (1979-05-01), Nakane
patent: 4384397 (1983-05-01), Nelson
patent: 4399603 (1983-08-01), Reed
patent: 4512709 (1985-04-01), Hennekcs et al.
patent: 4715752 (1987-12-01), Oura
patent: 4761877 (1988-08-01), Rupp
patent: 4905369 (1990-03-01), Kawamura et al.

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