Vorrichtung zum Wechseln von Werkzeugen einer Werkzeugmaschine

摘要

The invention provides a tool changer for machine tools capable of transferring a tool transfer pot with a stroke smaller than the transfer distance of the tool transfer pot. In a tool changer 20 for a combined machining lathe (machine tool) 1 comprising: a tool magazine 21 on which a multiplicity of tools T are loaded and which serves for transferring and indexing a next-process tool T1 to a specified tool takeout position P1; a tool transfer mechanism 23 for taking out and transferring the next-process tool T1 positioned in the tool takeout position P1 to a tool changing position P3; and a tool changing mechanism 24 for changing a process-completed tool T0 loaded on a tool post body 11 with the next-process tool T1 positioned in the tool changing position P3, wherein the tool transfer mechanism 23 is made up of a transfer arm 49 disposed pivotable between the tool takeout position P1 and the tool changing position P3, a tool transfer pot 26 coupled to a front end portion of the transfer arm 49 and serving for supporting the next-process tool T1, and an air cylinder coupled to the transfer arm 49 and serving for pivotally driving the transfer arm 49.