【正文】 the two with much of the needle plug valve terminals for centralized control pneumatic system. Control means USES electricity air program control, use PLC to pneumatic sequential control, make the vast and plex system control bee simple and clear. The use of PLC, cylinder magic switch and some sensors can be directly connected with PLC and tell the many intermediate link, simplify control system. Meanwhile, PLC programming simple, modification easy, makes the system action sequence adjustment is very convenient. 天津職業(yè)技術(shù)師范大學(xué) 2020屆本科生畢業(yè)設(shè)計 21 附錄 2： 中文翻譯 一種采用單臺微機(jī)控制的標(biāo)簽粘貼機(jī) 摘要 :標(biāo)簽 粘貼機(jī)是一種可自動進(jìn)行標(biāo)簽打印和粘貼的設(shè)備裝置 ， 在工業(yè)自動化生產(chǎn)中有著廣泛的應(yīng)用。 G) silica gel suction head neither pressed air role, and no vacuum action。 C) power open。 (d) alarm signal, for the control of acoustooptic alarm for output signal。s fault, we own study design a single microputer control by the automatic label, and will stick 1 machine color display application it practical system 29 inches color tube line screen s assembly process, achieved good effect. 2 System working principle The color screen the production process, the screen s assembly line in this procedure, besides should shadow mask glass screen and metal will (hereinafter s) according to certain process requirement in ground the conveyor belt shadow mask foreign, should also will have on the metal bar code in advance according to the same number reproduce the corresponding ceramic label, again through certain drain and paste device, 天津職業(yè)技術(shù)師范大學(xué) 2020屆本科生畢業(yè)設(shè)計 16 automatic will its posted on the outer surface of the glass screen. Finish the function of the device is a label machine (hereinafter referred to as the poster machine), if the workflow marking machine is mainly: A) in the first assembly line screen s 18 workstation, shadow mask wand reader reads the metal bar code and the corresponding on the tray bar code. B) according to the test results, tray (including glass screen) stop in the first 2l workstation, and notify the labeling machines printing ceramic tags. C) labeling receive to screen s assembly line request print signal, stay in the 21st read again the tray bar code, and progressive according to the tray number judgment corresponding shadow mask number. D) bar code printer to print out and this shadow mask corresponding ceramic tags, and through certain detachment device will this tag hanging in the specified location for vacuum head taken away. E) paste device through the expansion and rotating linear cylinder rotate such action, will ceramic label on the outer surface of the glass screen. F) wand reader inspection by the readability of ceramic label, stick if not read, this is through acoustooptic alarm warning. G) if you can correct reading, then notify screen s assembly line, the release of the tray on to the next cycle. mechanical parts Mainly posed by A set of pneumatic device, the pneumatic device according 4Pa to 6 Pa pressure and vacuum of Pa design, the main pneumatic ponents adopt FEsTo pany products, one of the main DNuL charm is linear cylinder (.PPV A) found today and rotating cylinder (DsR 32180. p). Linear cylinder is responsible for the suction head, rotating cylinder telescopic movement of suction head for the rotary motion. electrical parts Mainly by the following several parts: A, industrial control puter (PC). Adopt suitable for industrial environment, and the rates of microputer two pieces of digital input configuration output card (P8R8D10 type) and a piece of four serial card (Moxa c104P). The puter through the L / 0 card receive and output various digital level signals, through four serial card (Rs 232 interface) and bar code printer and bar code reader connection. Control by C + + language, software running on Windows environment. 天津職業(yè)技術(shù)師范大學(xué) 2020屆本科生畢業(yè)設(shè)計 17 B, bar code printer. DATAMAx pany adopts the PRODIGY PLus heat transfer type bar code printer. This printer through the Rs 232 interfaces connected to PC, provide and accept all kinds of printing control mand, which need to print out the bar code label, and transported to a certain position label for srctioning head, absorption and paste. For color screen in manufacturing process takes 500℃ 600℃ temperature bar code label selection process, so special ceramic tags. The ceramic label each volume about 6,000 sheets, installation fixed in the barcode printers inside. C, bar code reader. There are two types of bar code reader, a total of four. 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