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SDOF parallel automatic offset adjusting system and method for optical lens

A technology of optical lenses and degrees of freedom, applied in optics, optical components, instruments, etc., can solve problems such as low efficiency

Active Publication Date: 2018-04-24
BEIJING INSTITUTE OF TECHNOLOGYGY
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Problems solved by technology

[0008] The purpose of the present invention is to provide a six-degree-of-freedom parallel automatic deviation adjustment system for optical lenses, aiming at the technical status quo that the existing optical lens center deviation measurement equipment still needs to be manually adjusted when the center deviation of the lens exists, and the efficiency is low. and method, adopting the method of measuring and adjusting alternately, realizing the high integration of center deviation measurement and lens adjustment

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  • SDOF parallel automatic offset adjusting system and method for optical lens
  • SDOF parallel automatic offset adjusting system and method for optical lens
  • SDOF parallel automatic offset adjusting system and method for optical lens

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Embodiment 1

[0106] Refer to attached figure 1 , the optical adjustment system mainly includes three main parts: 1-1 lens barrel adjustment module, 1-2 center deviation measurement module and 1-3 automatic deviation adjustment module. Through the coordination and cooperation of various parts, a high degree of integration of center deviation measurement and lens adjustment can be realized.

[0107] Taking the rotation axis of the 4-2 upper air-floating turntable as the reference axis of the whole system, respectively ensure that the coaxiality between the 2-7 lower air-floating turntable and the 3-2 autocollimator optical axis and the reference axis is within plus or minus 3 microns .

[0108] Refer to attached figure 2 , adjust the pose of the lens barrel through the 1-1 lens barrel adjustment module, the 1-1 lens barrel adjustment module includes a dial indicator measuring mechanism and a 2-6 four-dimensional adjustment table. Place the lens barrel on the 2-6 four-dimensional adjustme...

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Abstract

The invention provides an SDOF (Six Degrees of Freedom) parallel automatic offset adjusting system and method for an optical lens and belongs to the technical field of precision automatic assembly ofoptical lens. Automatic offset adjustment is realized based on a measurement result of decentration and an SDOF parallel structure. The system is mainly composed of a lens barrier adjusting module, adecentration measuring module and an automatic offset adjusting module. The automatic offset adjustment method includes calculating two centers of sphere of a to-be-assembled lens based on the decentration measurement data and driving the SDOF parallel structure for offset adjustment. A method of alternative conduction of measurement and adjustment is employed; namely, whether an offset adjustmentresult meets requirements or not is verified through re-measuring the decentration after each process of offset adjustment. If the offset adjustment result does not meet the requirements, offset adjustment is performed again through refitting of optical axis until the precision meets requirements. According to the invention, integration of decentration measurement and lens automatic adjustment isachieved and measurement of lens decentration and offset adjustment can be realized quickly. Lens offset adjusting precision can be ensured to meet requirements and lens assembly efficiency is improved greatly.

Description

technical field [0001] The invention relates to a six-degree-of-freedom parallel automatic deviation adjustment system and method for optical lenses, in particular to a six-degree-of-freedom parallel deviation adjustment system for optical lenses and an automatic and efficient deviation adjustment algorithm, which belongs to the automatic assembly of optical lens precision assembly And the field of optical system and electromechanical technology. Background technique [0002] With the rapid development of aerospace and digital technology, optical lens groups have been widely used in spacecraft, drones, intelligent robots, digital cameras, and civilian mobile phones, and the demand for high-efficiency and high-reliability assembly is increasing. strong. However, the current general situation is that the measurement and adjustment of the center deviation of the lens is basically done manually, and the reliability and efficiency of assembly accuracy are difficult to guarantee....

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B27/62
CPCG02B27/62
Inventor 叶鑫张之敬张恒邵超周登宇吴飞飞
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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