Mist supply mechanism for rotary tool

Abstract

There is provided means which is designed to smoothly supply mist to a rotary tool in rotation without involving a rotary shaft to which a rotary tool is attached so as to easily add the cooling/lubricating mechanism to an already installed machining device and to achieve free selection/use of a rotary tool from various commercially available rotary tools having an inside diameter not coincident with the outside diameter of the rotating shaft. A mist supply mechanism for supplying mist under pressure to a rotary tool 18 provided at a rotating shaft 10, and implementing cooling and/or lubricating of the rotary tool 18 during workpiece-machining is configured so that the rotary tool 10 is provided at a sleeve 16 of a necessary length circumferentially engaging with the rotating shaft 10; a plurality of mist supply passages 38 extending in the axial direction are provided in the sleeve 16; and the mist is supplied to the rotary tool 18 through the mist supply passage 38.

1 . A mist supply mechanism for a rotary tool for supplying a mist under pressure to a rotary tool ( 18 ) disposed around a rotating shaft ( 10 ), and implementing cooling and/or lubricating of the rotary tool ( 18 ) during workpiece-machining, wherein 
 rotary tool ( 18 ) is disposed around a sleeve ( 16 ) with a required length circumferentially engaging the rotating shaft ( 10 );    a plurality of mist supply passages ( 38 ) are provided which consist of long groove sections concaved on the outer surface of the sleeve ( 16 ) and extending in the axial direction; and    the mist is supplied to the rotary tool ( 18 ) through the mist supply passage ( 38 ).    
   
   
       2 . A mist supply mechanism for a rotary tool for supplying a mist under pressure to a rotary tool ( 18 ) disposed around a rotating shaft ( 10 ), and implementing cooling and/or lubricating of the rotary tool ( 18 ) during workpiece-machining, wherein 
 the rotary tool ( 18 ) is disposed around a sleeve ( 16 ) with a required length circumferentially engaging the rotating shaft ( 10 );    a plurality of mist supply passages ( 38 ) are provided which consist of long groove sections concaved on the inner surface of the sleeve ( 16 ) and extending in the axial direction; and    the mist is supplied to the rotary tool ( 18 ) through the mist supply passage ( 38 ).    
   
   
       3 . A mist supply mechanism for a rotary tool for supplying a mist under pressure to a rotary tool ( 18 ) disposed around a rotating shaft ( 10 ), and implementing cooling and/or lubricating of the rotary tool ( 18 ) during workpiece-machining, wherein 
 the rotary tool ( 18 ) is disposed around a sleeve ( 16 ) with a required length circumferentially engaging the rotating shaft ( 10 );    a plurality of mist supply passages ( 38 ) are provided which are tubular passages perforated at the cylindrical thick section of the sleeve ( 16 ) and extending in the axial direction and have one end communicating with a mist supply source and the other end being closed as a closed-end section;    each one end of a plurality of passage ports ( 40 ) axially perforated at the cylindrical thick section correspondingly communicates with the mist supply passage ( 38 ); and    the mist is supplied to the rotary tool ( 18 ) through the mist supply passage ( 38 ).    
   
   
       4 . (canceled)  
   
   
       5 . (canceled)