Tool-changing device

A tool-changing apparatus for a multiple-spindle milling machine having a workpiece table comprising, a gantry which extends across the workpiece table and on which the individual working spindles are movable side by side together from working positions to a tool change position that is lateral to the workpiece table, a tool-storage unit comprising a plurality of parallel tool pickup devices, each device adapted to hold a tool and a delivery station at which tools are presented to be exchanged arranged on the same side of the workpiece table near the milling machine, whereby said tool-pickup devices are separated from each other by intervals that are smaller than the intervals between said working spindles, a delivery station as part of said tool-storage unit, tool gripping devices movable between said delivery station and the working spindles in the tool-change position each gripping device being turnable and arranged in said tool-change position of each of the working spindles, and separate swinging devices for supporting each of said tool gripping devices, said swinging device being movable relative to one another for changing the distance therebetween, said swinging devices supporting the tool gripping devices which tool gripping devices move at least in the direction of the working spindles.