Kühl- und Staubabsaugvorrichtung für eine Werkzeugmaschine

摘要

A cooling and dust collecting apparatus for machine tool for cooling a cutter mounted on a rotating spindle and for sucking and exhausting cutting chips to the outside of the apparatus is disclosed, which comprises a cooling and dust collecting housing surrounding the rotating spindle and the cutter, a plurality of cold air passages, defined inside the housing, for sending cold air of a pressurized cold air supply portion disposed as an external device to a first cold air delivery hole and a plurality of second cold air delivery holes, a cutting chip exhaust passage, defined in the housing, for connecting a cutting chip sucking device disposed as an external device to an inner space of the housing, and an elastic hood downwardly extending from the lower end of the housing, the elastic hood defining slits at the lower end thereof, wherein the first cold air delivery holes are adapted to blow pressurized cold air toward a shaft portion of the cutter, and wherein the second cold air delivery holes are adapted to blow pressurized cold air in downwardly inclined tangent direction of the outer periphery of the cutting portion of the cutter.