A mechanism capable of realizing the irrational number rotation of the upper polishing disc

Abstract

The invention discloses a mechanism capable of achieving irrational rotation of an upper polishing disc. The mechanism comprises the upper polishing disc, a lower polishing disc, a mounting base, a supporting base and a rotating shaft; the upper polishing disc is fixed to one end of the rotating shaft which is supported on the supporting base, the lower polishing disc is mounted at the position, below the upper polishing disc, in the mounting base, and the mechanism further comprises a first planetary gear train, a second planetary gear train, a universal shaft joint and a drive motor; the mechanism is simple and compact in structure and low in production cost, on the grinding machining kinematic principle, the scientific problem of machining track line circular closing can be solved, and compared with machining precision of a traditional rational rotating speed drive device, the precision is greatly improved; meanwhile, irrational numbers of different multiples can be achieved during rotation of the upper polishing disc, and the application range of the device is greatly improved.

Description

technical field [0001] The invention relates to the technical field of plane polishing, and more specifically relates to a mechanism capable of realizing irrational rotation of an upper polishing disc, which is mainly used in the technical fields of electronics, communication, computer, laser, aerospace and the like. Background technique [0002] Grinding has become an indispensable precision processing method in the fields of high-precision machinery, aerospace, and optoelectronic information. With the continuous upgrading of products, these fields have higher and higher requirements for workpiece surface processing accuracy and surface quality. [0003] Plane grinding must ensure flatness, surface roughness, surface and subsurface dislocation morphology, and residual stress. Grinding has become an essential process for subsequent polishing and special processing to obtain an ultra-smooth surface, and polishing is mainly used to reduce the workpiece. Surface roughness, but ...

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the shortcomings of the traditional grinding and polishing machine, such as the decrease of surface roughness, the formation of ripples on the polished surface, and orange peel due to the repetition of the grinding track of the abrasive grains on the workpiece when processing the workpiece, and to provide a method that can realize the above The mechanism of irrational number rotation of the polishing disc has greatly improved the processing accuracy compared with the traditional drive device with rational speed.

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