Double-side offset printing color printing quality online detection device
June 27 07:07:35, 2024
Application (Patent) No.: CN200520033167.4 Filing Date: 2005.02.05 Name: Double-sided Offset Printing Quality Online Inspection Device Disclosure (Announcement) No. CN2773679 Disclosure Date: 2006.04.19 Main Classification Code: G01N21/956 ( 2006.01) Division I Original Application No.: Class No. G01N21/956(2006.01)I;G06F17/00(2006.01)I Date of Issuance: Priority: Application (patent) Person: China Banknote Printing and Minting Corporation Address: 330043 No. 4 Dongshan Road, Nanchang, Jiangxi Province Invention (design) Person: Yin Binggui; Chen Bin; Wang Wenqing; Yan Guang International Application: International Publication: Date of Entry into the Country: Patent Agency: Chengdu Xinbo Patent Agent Co., Ltd. Agent: Feng Yigao The utility model relates to an on-line detection device for double-sided offset color printing quality. It is composed of a frontal suction leveling box mounted on the side of the printing machine's transport chain, a back-side light-absorbing leveling box, a front inspection group, and a back inspection group. The shooting angle and shooting distance can be adjusted during detection. The information collected by each color camera is directly sent to the respective high-speed color image processor for processing and real-time monitoring and display to avoid offset printing quality problems. The utility model can carry out on-line detection of various quality problems, such as color deviation, ink throwing, string coloring, pattern taking and missing printing, which are generated during double-sided offset printing. Can be used for financial and value document printing companies. Sovereignty Item 1. A double-sided offset color print quality online detection device consisting of a color camera, a suction box, a cold light source, a light transmission plate, etc., characterized by a frontal suction leveling box installed at the side of the printing machine's delivery chain , Reverse translucent suction leveling box, front detection group, and negative inspection group; the front suction leveling box is composed of suction box, trachea and left and right support; the reverse surface light absorption leveling box consists of cold light source and transparent board. , Adsorption box, adsorption box, left and right support, trachea; the front detection group has a camera, horizontal, left and right brackets, cold light source, reflector cover, negative detection group consists of camera, horizontal, left and right brackets.
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