Machine tool installation including gated enclosure

1. In a machine tool installation for the processing of workpieces including a work area ( 4 ) which accommodates a workpiece support ( 13 ), a work area enclosure ( 3 ) with a gate ( 7 ) and a plurality of door segments ( 6 / 1 , 6 / 2 , 6 / 3 ) movable in the horizontal direction between open and closed positions and which, in their open position, do not obstruct the gate ( 7 ) of the work area enclosure ( 3 ) and, in their closed position, at least partially block the gate, the door segments ( 6 / 1 , 6 / 2 , 6 / 3 ) being guided in their movement by means of at least one stationary guide element ( 14 , 15 ) that extends in the direction of travel ( 8 ) of the door segments ( 6 / 1 , 6 / 2 , 6 / 3 ) over at least part of the gate width, the door segments ( 6 / 1 , 6 / 2 , 6 / 3 ) being movably supported on and in contact with a substructure of the machine tool installation ( 1 ) for movement horizontally, and, above the substructure of the machine installation ( 1 ), at least two horizontally extending stationary guide elements ( 14 , 15 ), mutually offset in the vertical direction are provided to guide at least one of the door segments ( 6 / 1 , 6 / 2 , 6 / 3 ) over at least part of the gate width, said guide elements being attached only to the workpiece support ( 13 ).

2. The machine tool installation in accordance with claim 1 , characterized in that the workpiece support ( 13 ) is provided with two of the horizontally extending stationary guide elements ( 14 , 15 ) mutually offset in the vertical direction to guide the at least one door segment ( 6 / 1 , 6 / 2 , 6 / 3 ).

3. The machine tool installation in accordance with claim 1 characterized in that, on a side of the machine tool installation next to the gate ( 7 ), at least one fixed lateral support is provided for at least one of the door segments ( 6 / 1 , 6 / 2 , 6 / 3 ), and the at least one door segment ( 6 / 1 , 6 / 2 , 6 / 3 ) is attached to the at least one lateral support for guidance in the direction of travel ( 8 ).

4. The machine tool installation in accordance with claim 3 characterized in that the at least one fixed lateral support for the at least one door segment ( 6 / 1 , 6 / 2 , 6 / 3 ) is in the form of a fixed segment of the work area enclosure ( 3 ).

5. The machine tool installation in accordance with claim 3 characterized in that the at least one fixed lateral support for the at least one door segment ( 6 / 1 , 6 / 2 , 6 / 3 ) is a gate boundary member ( 11 ) for the work area enclosure ( 3 ).

6. The machine tool installation in accordance with claim 3 characterized in that the at least one door segment ( 6 / 1 , 6 / 2 , 6 / 3 ) is attached to the at least one fixed lateral support by at least one telescoping guide ( 18 , 19 ) which is connected by a telescoping element thereof ( 25 , 37 ) to the at least one fixed lateral support and by another telescoping element ( 26 , 38 ) to the at least one door segment ( 6 / 1 , 6 / 2 , 6 / 3 ) and is telescopable in the direction of travel ( 8 ) of the door segments ( 6 / 1 , 6 / 2 , 6 / 3 ).

7. The machine tool installation in accordance with claim 3 in which the at least one fixed lateral support for at least one of the door segments ( 6 / 1 , 6 / 2 , 6 / 3 ) is a lateral gate boundary member ( 11 ) for the work area enclosure ( 3 ) and the at least one door segment ( 6 / 1 , 6 / 2 , 6 / 3 ) is attached to the lateral gate boundary member ( 11 ) by at least one telescoping guide ( 18 , 19 ), and wherein the at least one door segment ( 6 / 1 , 6 / 2 , 6 / 3 ) is offset perpendicularly to its principal plane relative to the lateral gate boundary member ( 11 ) and that a telescoping element ( 26 , 38 ) associated with the at least one door segment ( 6 / 1 , 6 / 2 , 6 / 3 ), in its direction of travel during the opening movement of the at least one door segment ( 6 / 1 , 6 / 2 , 6 / 3 ), can be moved past a telescoping element ( 25 , 37 ) associated with the gate boundary member ( 11 ).

8. The machine tool installation in accordance with claim 7 characterized in that at least one door segment ( 6 / 1 , 6 / 2 , 6 / 3 ) is guided along the work support ( 13 ) in the direction of travel and is supported on the substructure of the machine installation ( 1 ) in a manner as to allow play in the vertical direction.

9. The machine tool installation in accordance with claim 7 characterized in that at least one door segment ( 6 / 1 , 6 / 2 , 6 / 3 ) is guided along the work support ( 13 ) in the direction of travel, and is attached to the fixed lateral support, while allowing play in the vertical direction.

10. A machine tool installation in accordance with claim 1 characterized by the plurality of door segments ( 6 / 1 , 6 / 2 , 6 / 3 ) being mutually offset in a direction perpendicular to their principal plane and movable in telescoping fashion between the open and closed positions.

11. A machine tool installation in accordance with claim 10 characterized in that at least one door segment ( 6 / 1 , 6 / 2 , 6 / 3 ) is guided by another door segment ( 6 / 1 , 6 / 2 , 6 / 3 ) in the direction of travel ( 8 ).

12. A machine tool installation in accordance with claim 10 in that one door segment ( 6 / 3 ) positioned most closely to a fixed lateral support ( 11 ), is attached to the said lateral support and is so mounted as to be guided in the direction of travel preferably by way of at least one telescoping guide ( 18 , 19 ).

13. In a machine tool installation for the processing of workpieces including a work area ( 4 ) which accommodates a workpiece support ( 13 ), a work area enclosure ( 3 ) with a gate ( 7 ) and a plurality of door segments ( 6 / 1 , 6 / 2 , 6 / 3 ) movable in the horizontal direction between open and closed positions and which, in their open position, do not obstruct the gate ( 7 ) of the work area enclosure ( 3 ) and, in their closed position, at least partially block the gate, the door segments ( 6 / 1 , 6 / 2 , 6 / 3 ) being guided in their movement by means of at least one stationary guide element ( 14 , 15 ) that extends in the direction of travel ( 8 ) of the door segments ( 6 / 1 , 6 / 2 , 6 / 3 ) over at least part of the gate width, the door segments ( 6 / 1 , 6 / 2 , 6 / 3 ) being movably supported on and in contact with a substructure of the machine tool installation ( 1 ) for movement horizontally, and, above the substructure of the machine installation ( 1 ), two horizontally extending stationary guide elements ( 14 , 15 ), mutually offset in the vertical directions are provided to guide at least one of the door segments ( 6 / 1 , 6 / 2 , 6 / 3 ) over at least part of the gate width, said guide elements being attached only to the workpiece support ( 13 ), and on a side of the machine tool installation next to the gate ( 7 ), at least one fixed lateral support is provided for at least one of the door segments ( 6 / 1 , 6 / 2 , 6 / 3 ), and the at least one door segment ( 6 / 1 , 6 / 2 , 6 / 3 ) is attached to the at least one lateral support for guidance in the direction of travel ( 8 ), and wherein at least one door segment ( 6 / 1 , 6 / 2 , 6 / 3 ) is guided by another of the door segments ( 6 / 1 , 6 / 2 , 6 / 3 ) in the direction of travel ( 8 ).

14. The machine tool installation in accordance with claim 13 , characterized in that the at least one fixed lateral support for the at least one door segment ( 6 / 1 , 6 / 2 , 6 / 3 ) is in the form of a fixed segment of the work area enclosure ( 3 ).

15. The machine tool installation in accordance with claim 13 characterized in that the at least one fixed lateral support for the at least one door segment ( 6 / 1 , 6 / 2 , 6 / 3 ) is a gate boundary member ( 11 ) for the work area enclosure ( 3 ).

16. The machine tool installation in accordance with claim 13 characterized in that the at least one door segment ( 6 / 1 , 6 / 2 , 6 / 3 ) is attached to the at least one fixed lateral support by at least one telescoping guide ( 18 , 19 ) which is connected by a telescoping element thereof ( 25 , 37 ) to the at least one fixed lateral support and by another telescoping element ( 26 , 38 ) to the at least one door segment ( 6 / 1 , 6 / 2 , 6 / 3 ) and is telescopable in the direction of travel ( 8 ) of the door segments ( 6 / 1 , 6 / 2 , 6 / 3 ).

17. The machine tool installation in accordance with claim 13 in which the at least one fixed lateral support for at least one of the door segments ( 6 / 1 , 6 / 2 , 6 / 3 ) is a lateral gate boundary member ( 11 ) for the work area enclosure ( 3 ) and the at least one door segment ( 6 / 1 , 6 / 2 , 6 / 3 ) is attached to the lateral gate boundary member ( 11 ) by at least one telescoping guide ( 18 , 19 ), and wherein the at least one door segment ( 6 / 1 , 6 / 2 , 6 / 3 ) is offset perpendicularly to its principal plane relative to the lateral gate boundary member ( 11 ) and that a telescoping element ( 26 , 38 ) associated with the at least one door segment ( 6 / 1 , 6 / 2 , 6 / 3 ), in its direction of travel during the opening movement of the at least one door segment ( 6 / 1 , 6 / 2 , 6 / 3 ), can be moved past a telescoping element ( 25 , 37 ) associated with the gate boundary member ( 11 ).

18. The machine tool installation in accordance with claim 17 characterized in that at least one door segment ( 6 / 1 , 6 / 2 , 6 / 3 ) is guided along the work support ( 13 ) in the direction of travel and is supported on the substructure of the machine installation ( 1 ) in a manner as to allow play in the vertical direction.