Plate width, side shape and side defect measuring instrument and measuring method thereof

A sheet and edge technology, applied in the field of opto-mechatronics measurement, can solve the problems that the maximum, minimum and average width of the section cannot be measured, and the edge defects of the sheet cannot be accurately measured, so as to reduce the difficulty of on-site protection. , low-cost, easy-to-manufacture effects

Inactive Publication Date: 2012-06-20
BEIJING ARITIME INTELLIGENT CONTROL
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AI Technical Summary

Problems solved by technology

[0004] The above-mentioned width measuring instrument has certain limitations when measuring the width of a plate with a large thickness. It only measures the width value at a certain position of the plate section, and parameters such as the maximum, minimum, and average width of the section cannot be measured, let alone accurate. Measuring sheet edge defects

Method used

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  • Plate width, side shape and side defect measuring instrument and measuring method thereof
  • Plate width, side shape and side defect measuring instrument and measuring method thereof
  • Plate width, side shape and side defect measuring instrument and measuring method thereof

Examples

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Embodiment

[0060] Embodiment: Take the flat steel production line of certain enterprise as example:

[0061] Thickness range of flat steel products: 6-150mm, width range: 300-800mm, maximum left and right offset of flat steel products: 20mm.

[0062] Considering the measurement margin, the parameters of the comprehensive measuring instrument designed for this production line in this example are:

[0063] Datum distance: w 0 =280mm;

[0064] The distance measurement range of each set of edge measurement device 1: 300mm; the maximum width measurement range is 880mm; the angle between the optical centerline of the full HD area scan camera 101 and the centerline of the line laser 102 is 45°. In this example, the high-definition area scanning camera 101 adopts a 1400×1024 industrial digital camera with a frame rate of 60fps. The field of view of the high-definition area scanning camera 101 is 300mm (in the direction of the width of the plate) × 180mm (in the direction of the thickness of th...

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Abstract

The invention discloses a plate width, side shape and side defect measuring instrument and a measuring method thereof; the instrument comprises two sets of side measuring devices, a measurement control cabinet and a displayer; the method comprises the steps that: first, a user calibrates the measurement datum planes of the side measuring devices; second, a linear laser radiates the surface of the thickness direction of a measured plate, and a vertical laser radiation line is formed; third, a high-definition surface scanning camera quickly shoots the changes of the position of the laser radiation line of the side surface of the measured plate which is moving, and an image which is shot by the high-definition surface scanning camera is sent to a data acquisition board card; fourth, the data acquisition board card acquires the position of each point on the laser radiation line of the side surface of the measured plate and transmits the positions to the measurement control cabinet; and fifth, the measurement control cabinet measures the distance between the side of the measured plate and a base position through an optical triangular method, and the plate width, side shape and side defects of the plate are obtained.

Description

technical field [0001] The invention belongs to the technical field of optical-mechanical-electrical integration, and in particular relates to the comprehensive on-line measurement of the width, edge shape and edge defects of a plate in a hot rolling environment. Background technique [0002] The width parameters and surface quality parameters of hot-rolled wide and thick plates, medium plates, and flat steel are important indicators to describe product quality. In order to control the width of plates during the production process or classify products according to width indicators and surface quality indicators, it is necessary to Installation of width and surface quality gauges on production lines. Usually, the panel installation surface quality measuring instrument only measures the quality of the upper and lower surfaces, and there is no economical and reliable measurement method for crack defects on the side surface of the panel. Sheet width measurement is divided into ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B38/00B21B38/04
Inventor 邱忠义杨溪林赵宏胡宇邹凤欣由菁菁
Owner BEIJING ARITIME INTELLIGENT CONTROL
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