A control module for a nozzle arrangement, including at least one two-component nozzle for spraying a gas/liquid mixture on the zones of action between a tool and a workpiece is characterized by a gas supply line for pressurized air and a liquid supply line for pressurized liquid, both leading to th
A control module for a nozzle arrangement, including at least one two-component nozzle for spraying a gas/liquid mixture on the zones of action between a tool and a workpiece is characterized by a gas supply line for pressurized air and a liquid supply line for pressurized liquid, both leading to the two-component nozzle, a liquid check valve in the liquid supply line, a control device to be actuated by the pressurized gas for opening or closing of the liquid check valve, a packing disposed downstream of the liquid check valve, a branch line in the form of a capillary tube extending from the packing to the or each two-component nozzle.
대표청구항▼
The invention claimed is: 1. A control module for a nozzle arrangement, including at least one two-component nozzle for spraying a gas/liquid mixture on the zones of action between a tool and a workpiece, comprising a gas supply line for pressurized gas and a liquid supply line for pressurized liqu
The invention claimed is: 1. A control module for a nozzle arrangement, including at least one two-component nozzle for spraying a gas/liquid mixture on the zones of action between a tool and a workpiece, comprising a gas supply line for pressurized gas and a liquid supply line for pressurized liquid, both leading to the at least one two-component nozzle, a liquid check valve in the liquid supply line, a control device to be actuated by the pressurized gas for opening or closing of the liquid check valve, a packing disposed downstream of the liquid check valve, a branch line in the form of a capillary tube extending from the packing to the at least one two-component nozzle, wherein a gas check valve is provided in the gas supply line, and the control device is designed for opening or closing of the gas check valve together with the liquid check valve. 2. The control module as claimed in claim 1, wherein the control device includes a control piston adapted to be pressurized at one end by pressurized gas and, by its other end, acting mechanically against spring pressure on valve plugs of the liquid and gas check valves. 3. The control module as claimed in claim 1, wherein the at least one two-component nozzle includes a mixing chamber in which liquid and gas are premixed, and an inner air jacket jet is generated which bundles the mixed jet exiting from the nozzle outlet. 4. The control module as claimed in claim 3, wherein an outer air jacket jet is provided in addition. 5. The control module as claimed in claim 1, wherein the at least one two-component nozzle comprises a jet forming attachment including at least one jet forming nozzle which is inclined with respect to the mixed jet exiting from the two-component nozzle. 6. The control module as claimed in claim 5, wherein the jet forming attachment comprises two diagonally opposed jet forming nozzles. 7. The control module as claimed in claim 5, wherein the at least one jet forming nozzle includes an angle a in the range of 90°≦α≦120° with respect to the axis of the two-component nozzle. 8. The control module as claimed in claim 5, wherein the at least one jet forming nozzle has a diameter (D) in the range of 1 mm≦D≦3 mm. 9. The control module as claimed in claim 1, wherein the inner diameter (d) of the capillary tube lies in the range of 0.2 mm≦d≦1.4 mm. 10. The control module as claimed in claim 1, wherein the gas is air and the liquid is an oil selected in accordance with the materials on which it is to be sprayed and the respective shaping technique. 11. Use of a control module as claimed in claim 1 for spraying a mixed jet of gas and liquid on the surface of a workpiece to be-shaped, such as a sheet, to generate a liquid film on said surface, the control module comprising at least two two-component nozzles which are arranged at such spacing from each other that spray patterns of the mixed jets sprayed by the at least two two-component nozzles on the workpiece surface overlap each other. 12. The use as claimed in claim 11, wherein a plurality of control modules are connected in series. 13. The use as claimed in claim 11, wherein up to three two-component nozzles are disposed in a rectilinear row across the travelling direction of a workpiece surface which is moved with respect to the control module during the spraying operation. 14. The use as claimed in claim 11, wherein the at least two two-component nozzles and a workpiece surface to be sprayed on are fixed with respect to each other during the spraying operation, and the at least two two-component nozzles are disposed in a pattern which corresponds to the arrangement of the zones of action between a tool and a workpiece to be shaped. 15. Use of a control module as claimed in claim 1 for spraying a mixed jet of gas and liquid on the zones of action between a workpiece surface and a cutting tool, especially a milling tool. 16. A control module for a nozzle arrangement, including at least one two-component nozzle for spraying a gas/liquid mixture on the zones of action between a tool and a workpiece, comprising a gas supply line for pressurized gas and a liquid supply line for pressurized liquid, both leading to the at least one two-component nozzle, a liquid check valve in the liquid supply line, a control device to be actuated by the pressurized gas for opening or closing of the liquid check valve, a packing disposed downstream of the liquid check valve, a branch line in the form of a capillary tube extending from the packing to the at least one two-component nozzle, wherein the packing includes a cavity defined by a liquid volume limiter and, at the valve-end side, the open ends of the capillary tube pass through a sealing disc and dip into the cavity. 17. The control module as claimed in claim 16, wherein the sealing disc is made of FKM plastics (Viton). 18. A control module for a nozzle arrangement, including at least one two-component nozzle for spraying a gas/liquid mixture on the zones of action between a tool and a workpiece, comprising a gas supply line for pressurized gas and a liquid supply line for pressurized liquid, both leading to the two-component nozzle, a liquid check valve in the liquid supply line, a control device to be actuated by the pressurized gas for opening or closing of the liquid check valve, a packing disposed downstream of the liquid check valve, a branch line in the form of a capillary tube extending from the packing to the at least one two-component nozzle, the packing including a cavity defined by a liquid volume limiter and the open, valve-end side ends of the or each capillary tube dipping into the cavity. 19. The control module as claimed in claim 18, wherein the open, valve-end side ends of the or each capillary tube pass through a sealing disc. 20. The control module as claimed in claim 18, wherein the liquid volume limiter is a cylinder body which has a cylindrical cavity on the side of the cylinder body facing the liquid check valve and is passed through by the or each capillary tubes, and wherein a sealing disc is clamped between the cylinder body and a pressure ring. 21. Use of a control module as claimed in claim 18 for spraying a mixed jet of gas and liquid on the surface of a work-piece to be shaped, such as a sheet, to generate a liquid film on said surface, the control module comprising at least two two-component nozzles which are arranged at such spacing from each other that spray patterns of the mixed jets sprayed by the at least two two-component nozzles on the workpiece surface overlap each other. 22. Use of a control module as claimed in claim 18 for spraying a mixed jet of gas and liquid on the zones of action between a workpiece surface and a cutting tool, especially a milling tool. 23. A control module for a nozzle arrangement, including at least one two-component nozzle for spraying a gas/liquid mixture on the zones of action between a tool and a workpiece, comprising a gas supply line for pressurized gas and a liquid supply line for pressurized liquid, both leading to the at least one two-component nozzle, a liquid check valve in the liquid supply line, a control device to be actuated by the pressurized gas for opening or closing of the liquid check valve, a packing disposed downstream of the liquid check valve, a branch line in the form of a capillary tube extending from the packing to the at least one two-component nozzle, wherein a gas check valve is provided in the gas supply line, and the control device is designed for opening or closing of the gas check valve together with the liquid check valve, and wherein the packing includes a cavity defined by a liquid volume limiter and, at the valve-end side, the open ends of the capillary tube pass through a sealing disc and dip into the cavity. 24. Use of a control module as claimed in claim 23 for spraying a mixed jet of gas and liquid on the zones of action between a workpiece surface and a cutting tool, especially a milling tool.
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이 특허에 인용된 특허 (2)
Link Edmar (Hirsauer Str. 8 7500 Karlsruhe 41 DEX), Colling-lubricating device.
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