Tool revolver

A sealing arrangement sealing the inside of the tool disk in relation to the outer side on the respective tool station is provided on each drive part in a tool revolver. The tool driver a base body applied or to be applied to the tool machine and defining a revolver axis about which a tool disk is rotationally mounted on the base body. The tool disk has a plurality of tool stations distributed on its periphery and adjustable by rotating to tool disk in respectively at least one working position. A tool drive located in the inside of the tool disk and applied to the base body is coupled to the drive-sided coupling part. The coupling part includes a tool-sided coupling part for the drive of a tool located on the tool station oriented towards the work station. A drive part forming the tool-sided coupling part, is rotationally mounted in each tool station, with the tool receiving element of the respective tool, being operable on the tool station, can be applied to the drive connection.