Measuring method of image measuring instrument

A technology of image measuring instrument and measurement method, which is applied in the field of measurement and can solve the problems of reduced detection efficiency and poor adaptability to workpiece changes.

Inactive Publication Date: 2008-03-26
上海量具刃具厂有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

With this method, all workpieces need to be placed at the same interval and at the same angle, so it is realized by a special jig. Before the measurement, it is necessary to program in advance to determine the moving distance and moving path of the camera each time, thus reducing the detection. Efficiency and poor adaptability to workpiece changes

Method used

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  • Measuring method of image measuring instrument
  • Measuring method of image measuring instrument
  • Measuring method of image measuring instrument

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Embodiment Construction

[0025] Please refer to Fig. 3, the image measuring instrument used in the measuring method of the image measuring instrument of the present invention includes a base 1, a base 2, a workbench 3, a gantry 4, X, Y, and Z transmission shafts, and is connected to the Z The motion system, lighting system, camera system and software control system composed of the Z-direction slider 5 on the transmission shaft system, the lighting system includes an upper light source and a bottom light source, and the camera system includes a camera lens and a video camera. The light source and camera lens are coaxially arranged in an upper light source lampshade 7 fixed on the Z-direction slider, the Z-direction transmission shaft is fixed on the gantry 4, and the X-direction transmission shaft 8 is arranged on the gantry 4 On the upper horizontal beam 40, the Y-direction transmission shaft system is arranged on the longitudinal beams of the gantry 4 on both sides of the workbench 3, the latter is co...

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Abstract

The invention discloses a measure method of an image admeasuring apparatus. The measuring process includes the focusing phase, screening phase, jointing phase and computing phase. Compared to the present technology, the invention can pick image in a large field and save the whole image information, then it treats the all image information. If it goes on the batch detection, the outlook and relative position of many workpieces can be compared, so it can put the workpiece randomly. In picking point, the present technology can influence the detecting time if it picks many points; but the invention picks the point after forming the picture, so it can set the number of picking point and does not consider of the mechanism location precision and detection time.

Description

technical field [0001] The invention relates to a measuring method, in particular to a measuring method of an image measuring instrument. technical background [0002] With the continuous improvement of the processing level in the industry, the size and shape of the monitored products are varied, so new requirements are put forward for the monitoring methods. The previous monitoring methods such as manual monitoring can no longer meet the new monitoring requirements. Computer vision monitoring The technology has been widely used in industrial monitoring because of its good flexibility, non-contact, fast and efficient characteristics. In the existing computer vision monitoring, additional preparatory work is required, that is, special fixtures need to be made in advance, and the moving path of the camera system needs to be set, and the entire graphic is taken from point to point, and the coordinates of all "points" obtained during the measurement process are saved. ” data, s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/00G06K9/60
Inventor 封志鸣黄士栋姚斌
Owner 上海量具刃具厂有限公司
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