Polishing machine comprising a work chamber and a platform
View Patent ↗A polishing machine for optical elements, comprising: a spindle arranged to rotationally drive an optical element; a polishing tool mobile relative to the spindle; wherein the polishing machine further comprises a platform mounted on top of a work chamber, the work chamber comprising the spindle, and the platform holding a body on which is mounted the polishing tool.
1. A polishing machine for optical elements, comprising:
a spindle arranged to rotationally drive an optical element;
a polishing tool mobile relative to the spindle;
a platform mounted as a separable subassembly on top of a work chamber,
wherein the work chamber comprises the spindle, wherein the platform holds a first jack on which is mounted the polishing tool, and wherein the first jack is pivotally mounted on sliding means by way of a shaft; and
a second jack arranged to pivotally drive the first jack.
2. The polishing machine according to claim 1 , wherein the sliding means are mounted on a rail affixed to the platform.
3. The polishing machine according to claim 1 , wherein the sliding means are driven by a ball screw mounted on the platform.
4. The polishing machine according to claim 3 , wherein the ball screw is rotationally driven by a motor affixed to the platform.
5. The polishing machine according to claim 3 , wherein the ball screw is protected by bellows.
6. The polishing machine according to claim 1 , wherein the sliding means are mounted on a rail which is protected by bellows attached to the sliding means.
7. The polishing machine according to claim 2 , wherein the work chamber comprises a door enabling the access to the spindle and to the polishing tool, the door being rotationally mounted on an arm.
8. The polishing machine according to claim 7 , wherein the arm is rotationally mounted relative to the work chamber by way of a shaft.
9. The polishing machine according to claim 8 , wherein the arm is rotationally driven around the shaft by a yet further jack.
10. The polishing machine according to claim 2 , wherein the polishing machine further comprises a second spindle arranged to cooperate with a second polishing tool mounted on a further jack which is secured on the platform.
11. The polishing machine according to claim 2 , wherein the first jack comprises a rod that is arranged to hold the polishing tool.
12. The polishing machine according to claim 2 , wherein the polishing machine further comprises a polishing fluid circuit for projecting polishing fluid into the work chamber, the polishing fluid circuit comprising a drawer releasable from the polishing machine and holding a tank, a pump and a filter.
13. The polishing machine according to claim 12 , wherein the drawer is arranged to move relative to the work chamber.
14. The polishing machine according to claim 12 , wherein the polishing fluid circuit comprises a quick release coupling mounted on the drawer and arranged to disconnect the drawer from the rest of the polishing machine.
15. The polishing machine according to claim 2 , wherein the spindle is rotationally driven by a motor located at the same level as the spindle.
16. The polishing machine according to claim 15 , wherein the motor and the spindle are mounted on a same further platform.
17. The polishing machine according to claim 15 , wherein the motor rotationally drives the spindle by way of a belt.
18. The polishing machine according to claim 2 , wherein the platform is insulated from the work chamber by means of a dome attached to the first jack and a lip seal closing onto the dome.
19. The polishing machine according to claim 2 , wherein the polishing machine further comprises bellows attached to the first jack and to the platform.