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Data mosaic method based on non-contact optical scanning detection

A technology of data splicing and optical scanning, which is applied in the field of non-contact optical scanning detection, can solve the problems of unsuitable measurement of small-sized parts and low precision of data splicing, and achieve high precision of data splicing, clear shape and outline, and reduce the cost of use

Active Publication Date: 2022-06-07
CHINA HANGFA SOUTH IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The invention provides a data splicing method based on non-contact optical scanning detection to solve the technical problems of low data splicing accuracy and unsuitability for small-sized parts measurement in the current data splicing method

Method used

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  • Data mosaic method based on non-contact optical scanning detection
  • Data mosaic method based on non-contact optical scanning detection
  • Data mosaic method based on non-contact optical scanning detection

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Embodiment Construction

[0034] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways as defined and covered below.

[0035] like figure 1 As shown, a preferred embodiment of the present invention provides a data stitching method based on non-contact optical scanning detection, which includes the following steps:

[0036] Step S1: Fix the top positioning block 1 on the support frame 5, fix the support frame 5 and the bottom positioning block 4 on the measuring platform, fix the fixture 3 on the bottom positioning block 4, and clamp the product to be tested 2 on the fixture 3 on;

[0037] Step S2: Use the non-contact optical scanning detection equipment to collect multi-angle data of the product to be tested 2, the top positioning block 1 and the bottom positioning block 4 until all data of the product to be tested 2, the top positioning block 1 and the bottom positioni...

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Abstract

The invention discloses a data splicing method based on non-contact optical scanning detection. First, the product to be tested and two positioning blocks are kept relatively still, so as to ensure that any data image obtained by scanning detection includes both the product to be tested and the two positioning blocks. The data of the two positioning blocks is collected from multiple angles to obtain all the data, and then the multiple data images collected are imported into the data acquisition software, and the data of the two positioning blocks is registered by using the registration function of the data acquisition software, so that The position calculation and data splicing of the two positioning blocks are completed. Since each data image includes the data of the product under test and the two positioning blocks at the same time, when the data splicing of the two positioning blocks is completed, it means that the data of the product under test is also The data stitching is completed, the data stitching accuracy is high, and there is no need to paste reference points, which saves time and effort, and reduces the cost of use. It is very suitable for data stitching of small-sized parts, blades, thin-walled parts and other parts.

Description

technical field [0001] The present invention relates to the technical field of non-contact optical scanning detection, in particular, to a data splicing method based on non-contact optical scanning detection. Background technique [0002] Non-contact optical scanning inspection is widely used in the dimension measurement of auto parts and aerospace blank products. Optical scanning inspection equipment needs to perform multi-angle and all-round inspection of products during inspection, and multiple pieces of data are generated during the inspection process. It is necessary to use the product coincidence area to register splicing or paste reference point positioning splicing. [0003] Specifically, the method of registering and splicing the overlapping area of ​​the product is to perform data splicing based on features. For example, the existing patent CN106767524A uses a 3D high-precision scanner to obtain 3D point cloud data at various angles of the product, and then perform...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B11/00G01B11/24G01B11/25G06T3/40
CPCG01B11/00G01B11/24G01B11/2518G06T3/4038G06T2200/32G06T2207/10008Y02P90/30
Inventor 刘辉吴可王昂胡宇航黄兴甲段留章
Owner CHINA HANGFA SOUTH IND CO LTD
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