An apparatus for processing, in particular coating, workpieces which preferably consist at least in certain portions of wood, wood-based materials, plastic or the like, having a radiation device for generating and/or transmitting radiation, preferably a laser beam, and a spindle unit with a shaft (4
An apparatus for processing, in particular coating, workpieces which preferably consist at least in certain portions of wood, wood-based materials, plastic or the like, having a radiation device for generating and/or transmitting radiation, preferably a laser beam, and a spindle unit with a shaft (4) rotatable in a shaft bearing section (4a) and a holder (5) for accommodating processing tools and/or processing units, characterized in that the shaft (4) and/or a unit (10) attached to the shaft has at least in certain portions a cavity (4b, 9a, 2b) and the radiation device is arranged in such a manner that the radiation runs at least in certain portions inside the cavity.
대표청구항▼
1. Apparatus for processing, in particular coating, a workpiece which consists at least in certain portions of wood, wood-based materials, or plastic, the apparatus comprising: a radiation device for generating and/or transmitting radiation;a spindle unit with a shaft rotatable in a shaft bearing se
1. Apparatus for processing, in particular coating, a workpiece which consists at least in certain portions of wood, wood-based materials, or plastic, the apparatus comprising: a radiation device for generating and/or transmitting radiation;a spindle unit with a shaft rotatable in a shaft bearing section and a holder for accommodating processing tools and/or processing units; anda fixing unit for attaching a coating material to the workpiece;wherein the shaft and/or a unit attached to the shaft has at least in certain portions a cavity andthe radiation device is arranged in such a manner that the radiation runs at least in certain portions inside the cavity. 2. Apparatus according to claim 1, wherein the cavity ends in the region of the holder for accommodating processing tools and/or processing units or in the unit connected to the shaft. 3. Apparatus according to claim 1, wherein the cavity extends through the whole shaft in an axial direction of the shaft. 4. Apparatus according to claim 1, wherein the cavity extends through a chucking tool extending through the shaft, which chucking tool extends in particular in an axial direction of the shaft and is equipped to accommodate the unit. 5. Apparatus according to claim 1, wherein the spindle unit is traversable in at least one, preferably in three, different directions. 6. Apparatus according to claim 1, wherein at least one radiation unit is joined directly or indirectly to the spindle unit and is preferably traversable therewith. 7. Apparatus according to claim 1, further comprising a first transmission unit for radiation which is equipped to transmit radiation generated by the radiation unit to the cavity of the shaft. 8. Apparatus according to claim 7, wherein the at least one transmission unit has at least one radiation guide which is a reflecting or transmitting optic selected from a the group consisting of fibre-optic cables, mirrors, lenses and prisms. 9. Apparatus according to claim 1, further comprising a second transmission unit for radiation which is equipped to transmit radiation exiting the cavity of the shaft to a processing zone, in particular to the workpiece or a component to be joined to the workpiece. 10. Apparatus according to claim 1, wherein the processing unit can be inserted either into the holder of the shaft or into the unit connected to the shaft and can be removed therefrom. 11. Apparatus according to claim 1, wherein the processing unit is rotatably supported relative to the shaft. 12. Apparatus according to claim 11, in which the shaft, the unit attached to the shaft and/or the processing unit attached to the shaft or unit can be rotatably driven. 13. Apparatus according to claim 1, further comprising a radiation reflection device which is equipped and arranged to reflect radiation reflected by the coating material onto the coating material. 14. Apparatus according to claim 13, wherein the radiation reflection device has a profiled, in particular a rippled surface, whereby the profiles are formed in such a way that the radiation striking the profiles is kept away from an exit aperture for the coating material. 15. Apparatus according to claim 1, wherein the radiation device is a laser beam.
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이 특허에 인용된 특허 (13)
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