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Machine tool geometric error measuring device based on laser interference principle

A technology of geometric error and laser interference, which is applied in the direction of mechanical measuring devices, measuring devices, and mechanical devices, can solve the problems of high price, high measurement cost, time-consuming and laborious, etc., and achieve simple operation, flexible device movement, and high satisfaction. The effect of precision measurements

Active Publication Date: 2020-05-22
西安阿贝铟精密仪器有限公司
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Problems solved by technology

[0002] The current geometric error measurement of machine tools includes laser tracker, laser interferometer and other instruments. Although the laser tracker has timeliness in operation and measurement, it is expensive and the measurement cost is too high; while the laser interferometer measurement has high accuracy. , but measuring each error requires rebuilding the optical path, which is time-consuming and labor-intensive

Method used

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  • Machine tool geometric error measuring device based on laser interference principle
  • Machine tool geometric error measuring device based on laser interference principle
  • Machine tool geometric error measuring device based on laser interference principle

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Embodiment Construction

[0031] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0032] refer to figure 1 , figure 2 , a machine tool geometric error measuring device based on the principle of laser interference, including a mechanical tracking device and a laser measuring device installed on it;

[0033] The mechanical tracking device includes a laser interferometer 1, the laser interferometer 1 is fixed on the interferometer adjustment platform 2 through threaded connection, the bottom of the interferometer adjustment platform 2 is connected with the work billiard ball hinge 4, and the bottom of the work billiard ball hinge 4 Installed on the machine tool connection platform 5; the interferometer adjustment platform 2 is fixed on the upper mounting base 3 and the lower mounting base 3 23, and the upper mounting base 3 and the lower mounting base 23 are inserted into the first telescopic rod 11 and the second telescopic rod 12, and use...

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Abstract

The invention relates to a machine tool geometric error measuring device based on a laser interference principle. The device comprises a mechanical tracking apparatus and a laser measuring apparatus installed thereon. The mechanical tracking apparatus comprises a laser interferometer, the laser interferometer is connected to a workbench spherical hinge through an interferometer adjusting holder, and the bottom of the workbench spherical hinge is installed on a machine tool connecting table. An interferometer bearing holder is simultaneously installed on a telescopic rod 1 and a telescopic rod2 which are connected to an upper installation base 1 and a lower installation base 3, a tool bit spherical hinge and a linear reflector are installed on a connecting plate at the tail end of the telescopic rods, and a fixed rotating mirror and a linear interference mirror set are installed on a lower installation base 1 and a lower installation base 2 of the telescopic rods. The measuring range of the laser interferometer is increased through the telescopic rods, guarantee is provided for spatial attitude adjustment of the laser interferometer through the spherical hinges, the geometric errormeasurement efficiency of a numerical control machining center is effectively improved, measurement data is cooperatively processed through a computer, measurement automation is achieved, and the device has the advantages of flexible movement, simple operation and efficient measurement.

Description

technical field [0001] The invention relates to the technical field of machine tool geometric error measurement, in particular to a machine tool geometric error measurement device based on the principle of laser interference. Background technique [0002] The current geometric error measurement of machine tools includes laser tracker, laser interferometer and other instruments. Although the laser tracker is time-sensitive in operation and measurement, it is expensive and the measurement cost is too high; while the laser interferometer measurement has high accuracy. , but measuring each error requires rebuilding the optical path, which is time-consuming and laborious. Contents of the invention [0003] In order to overcome the shortcomings of the above-mentioned prior art, the purpose of the present invention is to provide a machine tool geometric error measurement device based on the principle of laser interference, which can effectively improve the measurement efficiency ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/00
CPCG01B5/0004G01B11/00
Inventor 李海涛
Owner 西安阿贝铟精密仪器有限公司
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