Automatic tool changing apparatus

Details Automatic tool changing apparatus Automatic tool changing apparatus

1987-09-23

1989-05-30

Briggs, William

Metal working

Plural diverse manufacturing apparatus including means for...

Common reciprocating support for spaced tools

B23Q 3157

Patent

active

048337722

ABSTRACT:
An automatic tool changing apparatus is disclosed which has first to fourth cam mebers (37, 42, 47, 51) integral with a drive shaft (23). The cam members operate cam index mechanism (FIG. 6), shaft drive mechanism (FIG. 7), claw driving mechanism (FIGS. 8 and 9), and tool clamp-unclamp driving mechanism (FIGS. 11 and 12). The apparatus comprises a main spindle head (3), a main spindle (11) rotatably disposed in the main spindle head (3), tool magazine (8) mounted on the main spindle head (3), a first sleeve (26) rotatably supported by the main spindle head (3), a second sleeve (30) slidable in axial direction thereof and rotatable together with the first sleeve (26), a swing arm (16) disposed at one end of the second sleeve (30), tool holding claws (15) provided at the swing arm (16), claw opening and closing means (FIG. 10) disposed in the swing arm (16), a drive shaft ( 23) rotatably supported by the main spindle head (3) and driven by a motor (17), the four cam members (37, 42, 47, 51), the cam index mechanism (FIG. 6), the shaft drive mechanism (FIG. 7), the claw driving mechanism (FIGS. 8 and 9), and the tool clamp-unclamp driving mechanism (FIGS. 11 and 12).

REFERENCES:
patent: 3608188 (1971-09-01), Seidel
patent: 3691626 (1972-09-01), Mousseau et al.
patent: 3964616 (1976-06-01), Piotrowski
patent: 4050146 (1977-09-01), Geiger
patent: 4484387 (1984-11-01), Nachmany

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