Split-type flat shaft air floating rotary table

An air-floating turntable and split-type technology, which is applied in the direction of bearings, shafts, bearings, bearing components, etc., can solve problems such as self-adjustment, improve over-reliance on processing and assembly accuracy, ensure stability, and improve use flexibility. Effect

Active Publication Date: 2021-10-22
CHINA JILIANG UNIV
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0004] To sum up, the core of the existing air-floating turntable is the air-floating shafting system, which is very important for the processing and assembly of the air-floating shafting system and the components of the turntable. High precision requirements, and the cooperation between the parts of the air bearing shaft system is completely determined by the assembly and cannot be adjusted by itself

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  • Split-type flat shaft air floating rotary table
  • Split-type flat shaft air floating rotary table
  • Split-type flat shaft air floating rotary table

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Embodiment Construction

[0029] The present invention will be further described below in conjunction with accompanying drawing.

[0030] A split-type flat-axis air-floating turntable, such as figure 1 , figure 2 As shown, it is characterized in that it includes a split flat shaft air bearing shafting 1, a power module 2, an angle measurement module 3 and a support protection module 4;

[0031] The split flat shaft air bearing shafting 1 is the core of the air bearing turntable, providing bearing and lubrication functions for the turntable;

[0032] The power module 2 includes a ceramic ring 5 and an ultrasonic motor 6; the ceramic ring 5 is installed on the upper end of the main shaft 13, and the ultrasonic motor 6 is arranged symmetrically along the circumference of the ceramic ring 5, and placed on the outer cover 21 of the split flat shaft air bearing shafting system , driving the ceramic ring 5 to drive the main shaft 13 to rotate;

[0033] The angle measurement module 3 is an encoder, includi...

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Abstract

The invention discloses a split-type flat shaft air floating rotary table. The split-type flat shaft air floating rotary table comprises a split-type flat shaft air floating shaft system, a power module, an angle measurement module and a supporting protection module. According to the split-type flat shaft air floating shaft system, modular design is adopted, a closed type air floating structure is achieved through the combination of a main shaft and multiple air floating modules, the axial air floating function and the radial air floating function are integrated, the use flexibility of the air floating rotary table is improved, and the application occasion is expanded; the power module drives the rotary table to rotate; the angle measurement module measures and feeds back the actual rotation angle of the rotary table; and the supporting protection module is used for protecting the interior of the rotary table and bearing external equipment.

Description

technical field [0001] The invention relates to an air-floating turntable, in particular to a split-type flat-axis air-floating turntable; Background technique [0002] The turntable is a key device in the fields of precision engineering and angle measurement, and is widely used in ultra-precision machine tools, precision positioning systems, angle measurement systems and other equipment. [0003] At present, the high-precision turntables developed by various countries all use air bearing shafting as the core of their support and rotary lubrication. Static pressure air bearings have the advantages of no direct contact, small and approximately constant frictional resistance, and strong adaptability to replacement. However, if a closed air bearing structure is realized, the number of air bearings required is large, and the volume of the turntable is large. [0004] To sum up, the core of the existing air-floating turntable is the air-floating shafting, which has extremely hig...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C32/06F16C41/00G01B5/24
CPCF16C32/0622F16C32/0696F16C32/067F16C41/007G01B5/24Y02W10/10
Inventor 李子赫戴雨辰沈小燕李东升王志成
Owner CHINA JILIANG UNIV
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