Automatic tool changing apparatus

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 mecha...

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Bibliographic Details
Main Authors KOBAYASHI; MITSUO, NOMURA; HIROAKI
Format Patent
LanguageEnglish
Published 30.05.1989
Subjects
COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT
DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING
GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC
GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS
MACHINE TOOLS
MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
TECHNICAL SUBJECTS COVERED BY FORMER USPC
TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
TRANSPORTING
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Summary: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).
Bibliography:Application Number: US19870100355