Online offset plate testing and stacking system

Abstract

The invention discloses an on-line offset plate testing and stacking system which comprises an image acquisition device, an illumination device, an image information processing device, an information management device, a defect marking device and a mark detecting and stacking device, wherein the image acquisition device is used for acquiring original image information of the surface of an offset plate; the illumination device is used for providing imaging illumination for the image acquisition device; the image information processing device is used for processing the original image information acquired by the image acquisition device; the information management device is used for performing statistical analysis on an image processing result of the image information processing device and controlling the defect marking device according to the analysis result; the defect marking device is used for marking offset plates which do not meet the requirements; the mark detecting and stacking device is used for performing stacking control on the offset plates according to marks of the defect marking device. The on-line offset plate testing and stacking system can be used for performing on-line detection and stacking control on the surfaces of the offset plates. The detection omission rate can be reduced, the detection precision is improved, and labor investment is reduced, so that the production cost is reduced, and the production efficiency and the automation level of a production line are improved.

Description

technical field [0001] The invention relates to the technical fields of machine vision detection and industrial automation, in particular to an on-line detection and stacking system for offset printing plates. Background technique [0002] Offset printing plate is the abbreviation of offset (printing) plate. Because its surface is coated, it can produce areas where ink transfers and areas where ink does not transfer. It is widely used in the lithographic printing industry, mainly including PS plates, CTP plates, CTCP version, etc. [0003] At present, domestic manufacturers of offset printing plates mainly rely on workers' naked eyes to detect defects on the surface of offset printing plates. However, due to the influence of human subjective factors, missed detection often occurs during the detection process, which brings great economic losses to the manufacturer. Moreover, with the continuous increase of labor costs and the continuous increase of the speed of offset print...

AI Technical Summary

Problems solved by technology

However, due to the influence of human subjective factors, missed detection often occurs during the detection process, which brings great economic losses to the manufacturer.

Moreover, with the continuous increase of labor costs and the continuous increase of the speed of offset printing plate production lines, this purely manual detection method is becoming less and less desirable

[0004] To sum up, the existing offset printing plate surface detection usually relies on manual detection. Due to the limitation of human subjective factors, the missed detection rate in the process of offset printing plate detection is high, the detection accuracy is low, and the production efficiency is low. relative increase in cost

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