Total support with a collet chuck receiver

1. A tool support for fixed rotating tool, comprising:

a tool support means ( 2 ) having a collet chuck receiver ( 4 ) embodied therein, wherein said collet chuck receiver ( 4 ) has a tapering bore ( 5 ) having a bore axis ( 14 ) defined therein;

said tool support means ( 2 ) comprising an internal screw thread ( 12 ) coaxial to said bore axis ( 4 ) and adapted to receive a tensioning nut ( 10 ) with an external screw thread ( 11 ) to be screwed into said internal screw thread ( 12 ),

a finely worked level first end face ( 18 ) at said tool support means ( 2 ) assigned to the tapering bore ( 5 ) and extending at right angles to said bore axis ( 14 ), said first end face ( 18 ) being located in an axial distance from said tapering bore ( 85 );

fastening means ( 20 ) on the tool support means ( 2 ) that are independent of said internal screw thread ( 12 ) for releasably fastening a tool clamping insert ( 23 ) having a tapering receiving neck ( 24 ) inserted into the tapering bore ( 5 ), in place of said collet chuck ( 6 ), of the tool support means ( 2 )

wherein the fastening means are accessible from a tool receiving side of said tool support means ( 2 ).

2. The tool support in accordance with claim 1 , characterized in that the tool clamping insert ( 23 ) contains a tool shaft bore ( 31 ) into which the tool shaft ( 8 ) is inserted.

3. The tool support in accordance with claim 1 characterized in that the tool clamping insert ( 23 ) has a second end face ( 25 ) and that, with the tool clamping insert ( 23 ) inserted into the tapering bore ( 5 ), the two end faces ( 18 , 25 ) are kept in contact with each other free of play by the fastening means ( 20 ).

4. The tool support in accordance with claim 3 , characterized in that the tool clamping insert is designed for receiving a quick-action change insert ( 45 ), which is inserted with a shaft ( 46 ) into the clamping insert ( 23 ) and which is releasably connected with the clamping insert.

5. The tool support in accordance with claim 4 , characterized in that the quick-action change insert ( 45 ) supports a split ring ( 51 ), which is acted upon by a tensioning nut ( 53 ) screwed onto a corresponding external screw thread ( 54 ) of the clamping insert ( 23 ).

6. The tool support in accordance with claim 1 , characterized in that fastening means ( 20 ) are arranged in the area of the first end face ( 18 ).

7. The tool support in accordance with claim 6 , characterized in that the fastening means have threaded bores ( 20 ), which are arranged axis-parallel in respect to the tapering bore ( 5 ) in the first end face ( 18 ).

8. The tool support in accordance with claim 1 , characterized in that at least one transverse bore ( 21 ) extending transversely in respect to the axis ( 14 ) of the tapering bore ( 5 ) is provided in the tool support means, by means of which a clamping device ( 33 ) on a tool clamping insert ( 23 ) inserted into the collet chuck receiver is accessible from the outside.

9. The tool support in accordance with claim 8 , characterized in that the tool clamping device has a tensioning screw ( 33 ), which is screwed into a corresponding threaded bore ( 34 ) of the tool clamping insert ( 23 ) and through which the transverse bore ( 21 ) is accessible.

10. The tool support in accordance with claim 9 , characterized in that the tensioning screw ( 33 b ) has a tapering clamping neck ( 43 ).

11. The tool support in accordance with claim 1 , characterized by at least one tool clamping device ( 33 ), which extends transversely to the axis of the receiving neck ( 24 ) and is arranged on the tool clamping insert ( 23 ) so it can be operated from the outside.

12. The support in accordance with claim 1 , characterized in that the screw thread of the collet chuck receiver is an internal screw thread ( 12 ).

13. The tool support in accordance with claim 12 , characterized in that the tool clamping insert ( 23 ), which has been inserted into the tapering bore ( 5 ), is radially set back in the area ( 26 ) of the internal screw thread ( 12 ) in respect to the tool support means.

14. The tool support in accordance with claim 1 wherein the tool shaft ( 8 ) includes a clamping face ( 32 ); wherein the tool support also includes an annular flange ( 27 ) against end face ( 18 ) and wherein the annular flange ( 27 ) a radial threaded bore ( 34 ) housing a tensioning screw ( 23 ) which may be tightened against clamping face ( 32 ).

15. The tool support in accordance with claim 1 , characterized in that it is designed as a tool holder.

16. The tool support in accordance with claim 1 , characterized in that the tool support means ( 2 ) have at least one recess ( 22 ) on their circumference for a hooked wrench to be placed against, and that stationary seating means ( 62 ) are arranged in the vicinity of the tool support means, on which a substantially L-shaped double-hooked wrench ( 57 ) is pivotably seated, which has two legs ( 58 ), each of which supports a blocking element ( 59 ) pointing inward, and that when a blocking element ( 59 ) of a leg ( 58 ) engages a recess ( 22 ), the blocking element ( 59 ) of the other leg ( 58 ) is maintained out of contact with a recess.

17. A double-hooked wrench in combination with the tool support defined in claim 16 .

18. A tool clamping insert in combination with the tool support as defined in claim 1 comprising:

a tapering receiving neck ( 24 ) which is adapted to be inserted into a tapering bore ( 85 ) of a collet chuck receiver ( 4 ),

a second end face ( 25 ) extending at right angles in respect to a longitudinal central axis of said receiving neck,

a radially protruding extension 927 on said clamping insert provided with said second end face ( 25 ) that is located on a side of said extension ( 27 ) that is facing toward said receiving neck ( 24 ) and

means for maintaining said second end face ( 25 ) in contact with a first end face ( 18 ) of said collet chuck receiver ( 84 ) and for clamping it thereto.

19. A tool clamping insert in accordance with claim 18 characterized in that said means for maintaining said second end face ( 25 ) in contact with said first end face ( 18 ) of said collet chuck receiver ( 4 ) comprising throughgoing fastening bores ( 28 ) traversing said second end face ( 25 ) on said radially protruding extension ( 27 ), said fastening bores ( 28 ) being oriented in a parallel relationship to said receiving neck ( 24 ).

20. The tool clamping insert in accordance with claim 18 characterized in that it is arranged for receiving a tool quick-action change insert ( 45 ), and that the tool clamping device is a clamping device for the tool quick-action change insert ( 45 ).

21. The tool clamping insert in accordance with claim 20 characterized in that the clamping device has a tensioning nut ( 53 ) screwed onto a screw thread ( 54 ) of the tool clamping insert ( 23 c ), and that the tool quick-action change insert ( 45 ) supports a ring ( 51 ), on which the tensioning nut can be supported.