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1、英文资料The Single Microcomputer Control a Label MachineAbstract: a label machine is a kind of can automatically label printing and pasting in industrial automation equipment is widely used in production. This paper introduces a single microcomputer control by the automatic a label machine parts and wor
2、king principle of the components, and use process carries on the set and regulation methods. Through the labeling machines job requirement analysis, determine the total design project of the system, research and resolved labeling machine design process including tag conveying, labels detachment, car
3、esses pressure labels and labeling machines PLC control, and other key technical problems, this a label machine already practical application of color display system limited company of color 29 inches tube production assembly process, the screen mesh achieved good effect.Key words: bar code; Tags; B
4、ar code printer; Labeling machines1 PrefaceA label machine is a kind of can automatically label printing and pasting in industrial automation equipment is widely used in production. A fully automatic a label machine except the necessary machinery and pneumatic device, usually by a PC and a small pro
5、grammable controller (PLC) control, including PC mainly responsible for automatic printing labels, PLC is mainly responsible for the automatic drawing and label stickup, etc. To save costs, reduce costs and reduce systems fault, we own study design a single microcomputer control by the automatic lab
6、el, and will stick 1 machine color display application it practical system 29 inches color tube line screen nets assembly process, achieved good effect.2 System working principleThe color screen the production process, the screen nets assembly line in this procedure, besides should shadow mask glass
7、 screen and metal will (hereinafter nets) 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 dev
8、ice, 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 nets 18 workstation, shadow mask wand reader r
9、eads 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 nets assembly line request print signal, stay in t
10、he 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 vac
11、uum 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 acousto-optic alarm warning.G) if y
12、ou can correct reading, then notify screen nets assembly line, the release of the tray on to the next cycle.2.1 mechanical partsMainly composed by A set of pneumatic device, the pneumatic device according 4Pa to 6 Pa pressure and vacuum of 0.5 Pa design, the main pneumatic components adopt FEsTo com
13、pany products, one of the main DNuL charm is linear cylinder (.PPV - A) found today and rotating cylinder (DsR - 32-180. p). Linear cylinder is responsible for the suction head, rotating cylinder telescopic movement of suction head for the rotary motion.2.2 electrical partsMainly by the following se
14、veral parts:A, industrial control computer (PC). Adopt suitable for industrial environment, and the rates of microcomputer two pieces of digital input configuration output card (P8R8D10 type) and a piece of four serial card (Moxa c104P). The computer through the L / 0 card receive and output various
15、 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.B, bar code printer. DATAMAx company adopts the PRODIGY PLus heat transfer type bar code printer. This printer
16、 through the Rs - 232 interfaces connected to PC, provide and accept all kinds of printing control command, 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
