CN211501344U - Air-flotation rotary table based on air hydrostatic bearing - Google Patents
Air-flotation rotary table based on air hydrostatic bearing Download PDFInfo
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- CN211501344U CN211501344U CN201922121304.4U CN201922121304U CN211501344U CN 211501344 U CN211501344 U CN 211501344U CN 201922121304 U CN201922121304 U CN 201922121304U CN 211501344 U CN211501344 U CN 211501344U
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Abstract
The utility model provides an air-flotation turntable based on an aerostatic bearing, which comprises a base body, an air-flotation table surface, and a driving device, a coupling device and a rotating device which are fixed in the base body; the coupling device is respectively connected with the driving device and the rotating device; the rotating device is an air hydrostatic bearing, the air floatation table surface is connected with one end of the air hydrostatic bearing, which is not connected with the coupling device, and the air floatation table surface is arranged at the top of the base body and is not contacted with the base body; the driving device drives the air hydrostatic bearing through the coupling device, so as to drive the air floatation table surface to rotate. The utility model provides an air supporting revolving stage, product structure is accurate, reasonable, compact, and is complete, is suitable for high accuracy, high cleanliness occasion.
Description
Technical Field
The utility model relates to a revolving stage field, in particular to air supporting revolving stage based on aerostatic bearing.
Background
At present, the turntable plays a vital role in industrial manufacturing and national defense research, and the demand is very large. The method is mainly used for testing and calibrating the appearance geometric quantity of a product and simulating the rotation motion of a simulation part. The bearing support system of the traditional turntable mainly adopts a metal rolling bearing and a hydraulic bearing for supporting. However, the metal rolling bearing generates friction when rotating, and the parts are abraded due to long-term friction, so that the rotating precision is reduced. The hydraulic bearing is in a complete hydraulic friction state, but a complete oil circuit needs to be designed in the rotary table, and an oil supply system needs to be arranged, so that the cost is high, the volume is large, and the pollution is caused.
Because the air-floating rotary table uses constant-pressure gas as a lubricating medium of the bearing, the bearing and the rotating shaft do not generate friction, and the precision of the air-floating rotary table is far higher than that of a traditional rotary table which uses a rolling bearing and a hydraulic bearing as a supporting system. Because the clean and pollution-free compressed gas is used as a medium, the aerostatic bearing is suitable for occasions with high precision and high cleanliness.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the air floatation rotary table based on the aerostatic bearing as the supporting system is provided, and the product structural design is precise, reasonable, compact and complete. Is suitable for occasions with high precision and high cleanliness.
The utility model adopts the technical scheme as follows: an air-flotation turntable based on an air hydrostatic bearing comprises a base body (1), an air-flotation table top (7), a driving device, a coupling device and a rotating device, wherein the driving device, the coupling device and the rotating device are fixed in the base body; the coupling device is respectively connected with the driving device and the rotating device; the rotating device is an air hydrostatic bearing (6), the air floatation table surface is connected with one end, which is not connected with the coupling device, of the air hydrostatic bearing (6), and the air floatation table surface is arranged at the top of the base body (1) and is not contacted with the base body (1); the driving device drives the air hydrostatic bearing (6) through the coupling device, so as to drive the air floatation table surface to rotate.
Furthermore, the coupling device comprises a double-disc type coupling (4), a first flange plate (3) and a second flange plate (5), one end of the double-disc type coupling (4) forms fixed connection with the driving device through the first flange plate, and the other end of the double-disc type coupling forms fixed connection with the air hydrostatic bearing (6) through the second flange plate.
Furthermore, the aerostatic bearing (6) is fixed at the upper part in the base body (1), one end of the aerostatic bearing is connected with the second flange plate (5), and the other end of the aerostatic bearing is connected with the air floatation table surface (7).
Furthermore, the driving device is a torque motor (2), the torque motor (2) is fixed at the bottom in the base body (1) and is fixedly connected with one end of the double-disc type coupling (4) through the first flange plate (3).
Further, the air-floatation rotary table further comprises a heat dissipation device (8), and the heat dissipation device (8) is arranged on the side face of the base body (1).
Further, the heat dissipation device is a heat dissipation fan.
Further, the size of the air floatation rotary table is not more than 230mm 265 mm.
Compared with the prior art, the utility model provides an air supporting revolving stage, product structure is accurate, reasonable, compact, complete, is suitable for high accuracy, high cleanliness occasion.
Drawings
Fig. 1 is a schematic structural view of the middle air-float turntable of the present invention.
Reference numerals: the method comprises the following steps of 1-base body, 2-torque motor, 3-first flange plate, 4-double-disk coupling, 5-second flange plate, 6-air hydrostatic bearing, 7-air floating table top and 8-cooling fan.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in figure 1, the ultra-precise air-floatation rotary table based on the aerostatic bearing comprises a base body (1), a driving device fixed in the base body (1), a rotating device based on the aerostatic bearing (6), a coupling device connecting the driving device and the rotating device, and an air-floatation table surface connected with the rotating device.
Wherein, the driving device provides driving force for the rotating device. The driving device and the rotating device are connected and centered through a coupling device. The double disc type coupling 4 is adopted to provide enough rotation rigidity for rotation and enough flexibility for lateral direction; the heat sink discharges heat generated by the drive device out of the base body (1).
Specifically, the air floating table surface is connected with one end of the aerostatic bearing (6) which is not connected with the coupling device, and the air floating table surface is arranged at the top of the base body (1) and is not contacted with the base body (1); the driving device drives the air hydrostatic bearing (6) through the coupling device, so as to drive the air floatation table surface to rotate.
The coupling device comprises a double-disc type coupling (4), a first flange plate (3) and a second flange plate (5), one end of the double-disc type coupling (4) forms fixed connection with the driving device through the first flange plate, and the other end of the double-disc type coupling forms fixed connection with the aerostatic bearing (6) through the second flange plate.
An aerostatic bearing (6) is fixed on the upper part in the base body (1) and provides a connecting end to the outside, one end of the aerostatic bearing (6) is connected with the second flange plate (5), and the other end of the aerostatic bearing is connected with an air floatation table top (7).
The driving device is a torque motor (2), the torque motor (2) is fixed at the bottom in the base body (1) and is fixedly connected with one end of the double-disc type coupling (4) through the first flange plate (3).
The air-floatation rotary table further comprises a heat dissipation device (8), wherein the heat dissipation device (8) is arranged on the side surface of the base body (1), and heat generated inside the air-floatation rotary table is discharged to the outside of the base body through the heat dissipation device.
Preferably, the heat sink is a heat dissipation fan.
The utility model discloses be applied to the revolving stage with aerostatic bearing as braced system to through detailed structural design, make product structure accurate, reasonable, compact, complete, be suitable for high accuracy, high cleanliness occasion. The volume of the whole machine is not more than 230mm 265 mm.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. An air-flotation turntable based on an aerostatic bearing is characterized by comprising a base body (1), an air-flotation table top (7), a driving device, a coupling device and a rotating device, wherein the driving device, the coupling device and the rotating device are fixed in the base body; the coupling device is respectively connected with the driving device and the rotating device; the rotating device is an air hydrostatic bearing (6), the air floatation table surface is connected with one end, which is not connected with the coupling device, of the air hydrostatic bearing (6), and the air floatation table surface is arranged at the top of the base body (1) and is not contacted with the base body (1); the driving device drives the air hydrostatic bearing (6) through the coupling device, so as to drive the air floatation table surface to rotate.
2. The aerostatic bearing-based air-floating turntable according to claim 1, wherein the coupling means comprises a double disc coupling (4), a first flange (3), and a second flange (5), one end of the double disc coupling (4) is fixedly connected to the driving device through the first flange, and the other end of the double disc coupling is fixedly connected to the aerostatic bearing (6) through the second flange.
3. Aerostatic bearing-based air-floating turntable according to claim 2, characterized in that the aerostatic bearing (6) is fixed at the upper part inside the base body (1), connected at one end by a second flange (5) and at the other end by an air-floating table top (7).
4. Air-floating rotary table based on aerostatic bearings according to claim 3, characterized in that the drive means is a torque motor (2), the torque motor (2) being fixed at the bottom inside the base body (1) and being fixedly connected to one end of the double-disc coupling (4) by means of a first flange (3).
5. Aerostatic bearing based air-floating turntable according to claim 1, characterized in that it further comprises a heat dissipating device (8), the heat dissipating device (8) being arranged at the side of the substrate (1).
6. The aerostatic bearing-based air bearing turntable of claim 5, wherein the heat sink is a heat sink fan.
7. Aerostatic bearing based air-floating turntable according to one of claims 1 to 5, characterized in that the air-floating turntable has dimensions of not more than 230mm by 265 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922121304.4U CN211501344U (en) | 2019-12-02 | 2019-12-02 | Air-flotation rotary table based on air hydrostatic bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922121304.4U CN211501344U (en) | 2019-12-02 | 2019-12-02 | Air-flotation rotary table based on air hydrostatic bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211501344U true CN211501344U (en) | 2020-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922121304.4U Active CN211501344U (en) | 2019-12-02 | 2019-12-02 | Air-flotation rotary table based on air hydrostatic bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211501344U (en) |
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2019
- 2019-12-02 CN CN201922121304.4U patent/CN211501344U/en active Active
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