Device and method for machining of an optical lens
A device and a method for polishing of an optical lens by means of rotary tool are proposed, a fixture for the lens being pivotable around a pivoting axis transversely to the axis of rotation by means of a push-rod adjustment and being pivotable up out of a machining position such that the lens can be changed from overhead. This allows a compact structure and easy changing of the lens.
1. A device for machining of an optical lens by means of a tool which can be turned around a turning axis, comprising:
a motor for rotating the lens, during machining, around an axis of rotation; and
a working space in which the machining of the lens takes place;
a fixture positioned for holding a blocked lens in the working space and supporting the blocked lens during machining of the lens;
wherein the fixture is pivotable transversely to the axis of rotation in a vertical plane between a horizontal working orientation and an upward facing, lens changing position in which the lens can be changed from overhead around a pivoting axis running perpendicular to the axis of rotation by means of a push-rod adjustment device.
2. The device as claimed in claim 1 , wherein the pivoting axis runs at least essentially horizontally.
3. The device as claimed in claim 1 , comprising a second fixture positioned for holding a second lens at a location in said working space enabling machining of the second lens; and a second motor for simultaneous machining and rotating the second lens during machining.
4. The device as claimed in claim 3 , wherein the fixtures are pivotable up together with said motors out of said working space around the pivoting axis.
5. The device as claimed in claim 1 , wherein the fixture is pivotable around the pivoting axis by at least essentially 90 degrees.
6. The device as claimed in claim 1 , wherein the motor together with the fixture is located in the working space.
7. The device as claimed in claim 1 , wherein the tool is a polishing tool.
8. The device as claimed in claim 1 , comprising a first drive for linear displacement of the fixture transverse to the turning axis.
9. The device as claimed in claim 8 , wherein the first drive is at least one of located outside of the working space, is a linear drive, and has a ball screw.
10. The device as claimed in claim 8 , further comprising a second drive for pivoting of the fixture.
11. The device as claimed in claim 10 , wherein the second drive comprises a second slide for linear movement of a push-rod of the push-rod adjustment device.
12. The device as claimed in claim 10 , wherein the second drive is located on a first slide which is movable by means of the first drive.
13. The device as claimed in claim 10 , wherein the second drive is at least one of located outside the working space, is a linear drive, and has a ball screw.
14. A device for machining of an optical lens by means of a tool which can be turned around a turning axis, comprising:
a motor for rotating the lens during machining around an axis of rotation, the axis of rotation running at least essentially horizontally during machining in a machining position;
a working space in which the machining of the lens takes place;
a fixture positioned for holding a blocked lens in the working space and supporting the blocked lens during machining of the lens;
a first drive for linear displacement of the fixture transverse to the turning axis; and
a second drive for pivoting the fixture by means of a push-rod adjustment device,
wherein the second drive comprises a second slide for linear movement of a push-rod of the push-rod adjustment device, such that the fixture is pivotable in a vertical plane between a horizontal working orientation and an upward facing, lens changing position in which the lens can be changed from overhead around a pivoting axis by linear movement of said push-rod.
15. The device as claimed in claim 14 , wherein the pivoting axis runs perpendicular to the axis of rotation.
16. The device as claimed in claim 14 , wherein the pivoting axis runs at least essentially horizontally.
17. The device as claimed in claim 14 , wherein the fixture is pivotable around the pivoting axis by at least essentially 90 degrees.
18. The device as claimed in claim 14 , comprising a second fixture positioned for holding a second lens at a location in said working space enabling machining of the second lens; and a second motor for simultaneous machining and rotating of the second lens during machining.
19. The device as claimed in claim 18 , wherein the fixtures are pivotable up together with the assigned motors out of the working space around the pivoting axis.
20. A device for machining optical lenses by means of tools which can be turned around turning axes, comprising:
a working space in which the machining of the lens takes place;
two fixtures in said working space for simultaneous holding of assigned lenses;
two motors for simultaneously rotating and machining the assigned lenses held by said fixtures around axes of rotation, the axes of rotation running at least essentially horizontally during machining in a machining position; and
wherein the fixtures together with said motors are pivotable up out of the machining position around a pivoting axis in a vertical plane between a horizontal working orientation and an upward facing, lens changing position in which the lenses can be changed from overhead; and
further comprising a first drive for linear displacement of the fixture transverse to the turning axis and a second drive for pivoting the fixture, wherein the second drive comprises a slide for linear movement of a push-rod of a push-rod adjustment device of the second drive.
21. The device as claimed in claim 20 , wherein the pivoting axis runs perpendicular to the axis of rotation.
22. The device as claimed in claim 20 , wherein the pivoting axis runs at least essentially horizontally.
23. The device as claimed in claim 20 , wherein the fixture is pivotable around the pivoting axis by at least essentially 90 degrees.