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Three-dimensional detection method and device for surface form quality of paper

A technology for surface morphology and three-dimensional detection, applied in measuring devices, material analysis through optical means, instruments, etc.

Active Publication Date: 2018-12-21
华工丽颜(广东)新材料科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no detection method that can obtain the three-dimensional detail point cloud data of the paper surface form from the combination of hardware and software.

Method used

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  • Three-dimensional detection method and device for surface form quality of paper
  • Three-dimensional detection method and device for surface form quality of paper
  • Three-dimensional detection method and device for surface form quality of paper

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] join figure 1 Shown is a flow chart of a three-dimensional detection method for paper surface morphology quality, the method specifically includes the following steps:

[0043] S101. Acquiring paper thickness;

[0044] Use 2D laser scanner, 3D translation stage, vacuum loading suction cup, etc. to obtain the paper surface thickness.

[0045] (1) Adopt the three-dimensional observation system of paper surface shape, place the paper to be tested on the three-dimensional translation platform, and connect the vacuum load sucker on the three-dimensional translation platform to the vacuum pump, turn on the vacuum pump to keep the paper flat; the system is mainly composed of two-dimensional laser It is composed of scanner, three-dimensional translation platform, vacuum loading suction cup, computer and supporting software. The two-dimensional laser scanner is arranged on the X-axis translation arm of the three-dimensional translation platform, the vacuum loading chuck is con...

Embodiment 2

[0061] join figure 2 Shown is a flow chart of a three-dimensional detection of paper surface morphological quality, the method is implemented on the basis of the three-dimensional detection of paper surface morphological quality provided in Embodiment 1, and specifically includes the following steps:

[0062] S201. Acquiring paper thickness;

[0063] S202. Receive an area selected by the user on the surface of the paper, where the area contains a point cloud;

[0064] S203. On the longitudinal section of the paper, divide the thickness of the paper into multiple parts, and calculate the number of point cloud points in the area corresponding to the height of each part;

[0065] S204. Receive the height range selected by the user, and eliminate point clouds that are not within the height range;

[0066] S205. According to the number of point cloud points in the region corresponding to each height within the height range, generate a paper surface morphology quality map.

[00...

Embodiment 3

[0069] For the three-dimensional detection method of paper surface morphological quality provided in the foregoing embodiments, the embodiment of the present invention provides a device for three-dimensional detection of paper surface morphological quality, see image 3 A structural block diagram of a device for three-dimensional detection of paper surface form quality shown, the device includes the following parts:

[0070] An acquisition module 31, configured to acquire paper thickness;

[0071] The area module 32 is used to receive the area selected by the user on the surface of the paper, and the area contains a point cloud;

[0072] The calculation module 33 is used to divide the thickness of the paper into multiple parts on the longitudinal section of the paper, and calculate the number of point cloud points in the area corresponding to the height of each part;

[0073] Eliminate module 34, be used for receiving the height range that the user selects, reject the point c...

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Abstract

The invention provides a three-dimensional detection method and device for surface form quality of paper. A two-dimensional laser scanner, a three-dimensional translation table and a vacuum carrying suction cup are mutually connected, and hardware and software work together, so that three-dimensional detail point cloud data, such as height and height distribution information of the micron-precision level of any detail on the surface of the paper, of the surface form of the paper is obtained; and three-dimensional modeling and observation representation are performed for the three-dimensional data of the surface form of the paper. The detection and representation of height, texture distribution and other three-dimensional detail information of the surface form of the paper are realized; andsurface quality observation, representation and evaluation systems of the paper are enriched.

Description

technical field [0001] The invention relates to the technical field of paper detection, in particular to a three-dimensional detection method and device for the surface quality of paper. Background technique [0002] Paper is the most common printing material. The development of industrial technology and the wide application of paper in different fields have put forward different requirements for the three-dimensional shape of the paper surface. Therefore, the surface of the paper has different three-dimensional features such as grids and stripes. At the same time, different types of paper and cardboard have different surface three-dimensional features. The quality inspection and characterization of paper surface morphology is an essential part of printing quality inspection. [0003] Usually the user unit needs to conduct quality tests on the surface morphology of the paper. Generally, the surface of the paper is missing, missing, flying ink, pasting, smearing, stains, f...

Claims

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Application Information

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IPC IPC(8): G01N21/956
CPCG01N21/956
Inventor 陈广学魏彩萍刘亭利陈奇峰田君飞
Owner 华工丽颜(广东)新材料科技有限公司
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