A Pneumatic Bidirectional Output Shaft Based on Magnetic-Pneumatic Hybrid Spherical Bearing
A spherical bearing, two-way output technology, applied in the direction of bearings, bearing components, shafts and bearings, etc., can solve the problems of poor rotation stability, complex spindle assembly, built-in drive heating, etc., to achieve easy assembly, ensure stability, and improve work efficiency Effect
Active Publication Date: 2018-05-29
HANGZHOU DIANZI UNIV
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Problems solved by technology
[0005] The purpose of the present invention is to address the deficiencies of the prior art and provide a pneumatic bidirectional output shaft based on a magnetic-gas hybrid spherical bearing to solve the problem of complex assembly of the main shaft, poor rotation stability, continuous lubrication, clean processing environment, processing efficiency, and built-in drive. heating and cooling problems
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[0025] The present invention will be described in detail below with reference to the accompanying drawings and examples.
[0026] Such as figure 1 As shown, an aerodynamic two-way output shaft based on a magnetic-air hybrid spherical bearing includes a baffle plate 1, a permanent magnet 2, a spherical bearing main shaft 3, an impeller 5, a permanent magnet seat 6, an air guide housing 8 and a main shaft supporting member 10; The spherical bearing main shaft 3 includes an integrally formed spherical bearing and two extension shafts symmetrically arranged on both sides of the spherical bearing, and the spherical bearing plays a supporting role; the bidirectional output form of the spherical bearing main shaft can greatly improve work efficiency; The first shaft section, the second shaft section, the third shaft section and the fourth shaft section are arranged in sequence from inside to outside; the third shaft section is provided with external threads; the shaft diameter of the...
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The invention discloses a pneumatic bidirectional output shaft based on a magnetic-air hybrid spherical bearing, and aims to overcome the defect that severe heat radiation exists when a motor is adopted as a built-in driver of a bidirectional output spindle. The pneumatic bidirectional output shaft comprises permanent magnets, a spherical bearing spindle, impellers, permanent magnet seats, air guiding shells and spindle supporting parts, wherein compressed air is injected into the inner and outer cavities of the air guiding shells through first air inlets and second air inlets respectively; the compressed air injected into the inner cavities of the air guiding shells enters spherical bearing supporting holes through supporting part air inlet holes of the spindle supporting parts; the compressed air injected into the outer cavities of the air guiding shells drives the impellers to rotate, the rotating impellers drive the spherical bearing spindle to move, and then the compressed air is exhausted through first interstitial holes, second interstitial holes and axial air outlet holes; and through radial air outlet holes of isolating rings, too high internal pressure and turbulent air flow are prevented. According to the pneumatic bidirectional output shaft disclosed by the invention, the impellers are adopted as power sources and the problem about heat radiation of the built-in driver is solved.
Description
technical field [0001] The invention relates to a magnetic-gas hybrid bearing support and a gas-driven main shaft, in particular to a pneumatic bidirectional output shaft based on a magnetic-gas hybrid spherical bearing. Background technique [0002] With the development of science and technology, the demand for various machine tools is increasing, the requirements for the accuracy of machine tools are becoming more and more stringent, and the requirements for the efficiency of machine tools are also getting higher and higher. Ordinary machine tools mainly supported by bearings, due to long-term mechanical wear, the precision machining accuracy of parts is difficult to meet the requirements. The processing and assembly of this kind of spindle is complicated, and the bearing needs to be lubricated, which is easy to bring in impurities, so it cannot be used in some industries such as food and medical treatment that require a clean processing environment. [0003] In order to ...
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IPC IPC(8): F16C32/06F16C37/00F16C32/04
CPCF16C32/0402F16C37/002F16C37/005
Inventor 王文裘荣波卢科青时光朱晔文唐超锋
Owner HANGZHOU DIANZI UNIV