Apparatus for additively manufacturing of three-dimensional objects
Apparatus ( 1 ) for additively manufacturing of three-dimensional objects by means of successive layerwise selective irradiation and consolidation of layers of a build material which can be consolidated by means of an energy beam, with a carrier device ( 2 ) with at least one carrier element ( 3 ) for carrying build material and/or at least one object to be built and a driving unit ( 4 ) configured to drive the at least one carrier element ( 3 ), wherein the driving unit ( 4 ) is coupled with the carrier element ( 3 ) via at least one coupling means ( 5 ), wherein at least one securing unit ( 10 ) is provided that is configured to secure the coupling of the carrier element ( 3 ) with the at least one coupling means ( 5 ), wherein the securing unit ( 10 ) is configured to apply a securing force directed axially on the coupling means ( 5 ).
1. Apparatus ( 1 ) for additively manufacturing of three-dimensional objects by means of successive layerwise selective irradiation and consolidation of layers of a build material which can be consolidated by means of an energy beam, with a carrier device ( 2 ) with at least one carrier element ( 3 ) for carrying build material and/or at least one object to be built and a driving unit ( 4 ) configured to drive the at least one carrier element ( 3 ) by driving a spindle nut in a rotating direction, wherein the driving unit ( 4 ) is coupled with the carrier element ( 3 ) via at least one coupling means ( 5 ), characterized by at least one securing unit ( 10 ) configured to secure the coupling of the carrier element ( 3 ) with the at least one coupling means ( 5 ), wherein the securing unit ( 10 ) is configured to apply a securing force directed axially on the coupling means ( 5 ), and
characterized in that the coupling means ( 5 ) is partly arranged in an opening ( 9 ) in the carrier element ( 3 ), wherein a diameter of the securing unit ( 10 ) is larger than a diameter of the opening ( 9 ).
2. Apparatus according to claim 1 , characterized in that the coupling means ( 5 ) comprises a driving region ( 7 ) and a holding region ( 8 ), wherein the coupling means ( 5 ) is configured to interact with the driving unit ( 4 ) in the driving region ( 7 ) and to interact with the carrier element ( 3 ) in the holding region ( 8 ).
3. Apparatus according to claim 1 , characterized in that the securing unit ( 10 ) is configured to mechanically secure the position of the coupling means ( 5 ) relative to the carrier element ( 3 ).
4. Apparatus according to claim 1 , characterized in that the coupling means ( 5 ) protrudes the opening ( 9 ) of the carrier element ( 3 ), wherein the securing unit ( 10 ) is arranged adjacent to the opening ( 9 ) in a holding region ( 8 ) of the coupling means ( 5 ), wherein a driving region ( 7 ) is arranged on the other side of the opening ( 9 ) and the securing unit ( 10 ) is configured to secure the coupling means ( 5 ) from being pulled out of the opening ( 9 ) in a direction of the driving region ( 7 ).
5. Apparatus according to claim 1 , characterized in that a physical and/or geometrical dimension ( 12 ).
6. Apparatus according to claim 1 , characterized in that the securing unit ( 10 ) and the opening ( 9 ) are configured as positive locking connection.
7. Apparatus according to claim 1 , characterized in that a holding region ( 8 ) is located in an upper region of the coupling means ( 5 ) facing the carrier element ( 3 ).
8. Apparatus according to claim 1 , characterized in that the securing unit ( 10 ) is built as a securing disc.
9. Apparatus according to claim 1 , characterized in that the securing unit ( 10 ) is connected to the coupling means ( 5 ) via a locking means ( 11 ), wherein the locking means ( 11 ) locks the securing unit ( 10 ) to a holding region ( 8 ).
10. Apparatus according to claim 1 , characterized in that the coupling means ( 5 ) is a spindle.
11. Apparatus according to claim 1 , characterized by a clamping device ( 14 ) that is configured to clamp the coupling means ( 5 ) in the opening ( 9 ).