Image detection control method for sheet material defects

Abstract

The invention relates to an on-line image detection control method for sheet material defects. The method comprises that a high-speed detection device is arranged on an upper portion of a sheet material product unit and is used for acquiring on-line dynamic image information of the sheet material product unit; the acquired image information of the sheet material is transmitted to an image processor, and the image information of the sheet material is saved and analyzed; the obtained and analyzed image information and a control index which is set in advance are subjected to comparison processing; if unacceptable defects exist in the sheet material, automatic warning is achieved, and a signal is sent to a central processor of a distributed control system (DCS); the central processor of the DCS calculates the received signal and determines a processing scheme; and the DCS sends the signal of the processing scheme to an on-line controller and conducts corresponding processing by the on-line controller. According to the method, detects of the sheet material can be detected and controlled in real-time and efficiently, and the method is applicable to the technical field of sheet material quality control.

Description

technical field [0001] The invention relates to a method for image detection and control of plate defects. Background technique [0002] Various boards, such as gypsum board, are commonly used materials in the construction field. During the production process of the board, various defects may be formed in the board, such as scratches, breakage, agglomeration, etc., and these defects will lead to reduced performance and weakened strength of the board, so it is necessary to carry out real-time detection during online production and to process. [0003] Take the production of gypsum board as an example. Due to the short setting time of gypsum in the production process, if it stays in the mixer for a long time or mixes unevenly, it will condense into blocks. During the forming process, the agglomeration will affect the fluidity of the slurry, and when the slurry travels with the forming paper surface and passes through the shaping platform, it will scratch the paper surface of...

AI Technical Summary

Problems solved by technology

In the prior art, ultrasonic detection and infrared detection technology are generally used to detect the defects of the plate. However, ultrasonic detection and infrared detection are easily disturbed by the surrounding environment, resulting in untrue detection information, and the detection technology in the prior art can only Detecting defects in the plate, it is not possible to propose and deal with the plan of the plate in real time online

Images