Multi hand writing invoice continuous rotary printing method

A rotary printing and invoice technology, applied to rotary printing machines, lithographic rotary printing machines, printing, etc., can solve the problems of untimely delivery of invoices, complicated links, and heavy processes, etc., to achieve fast printing speed and save manpower and material resources, the effect of reducing labor intensity

Active Publication Date: 2009-02-04
四川万汇票证印务有限公司
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AI-Extracted Technical Summary

Problems solved by technology

This kind of printing machine belongs to the intermittent printing method, and the speed is very slow when printing manual invoices, and it will bring heavy manual processes and various complicated links to the next process, resulting in a lot of reactive labor, so it can no longer keep up Market customer cycle requirements
The invoices printed by this sheet-fed printi...
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Method used

During printing, unwinding paper passes through two feed rollers with " S " shape, and feed roller is synchronous with main shaft, and is connected with servomotor by harmonic driver, when work, when tension, pitch have changes, give The servo motor feeds at a certain amount, so that the paper rol...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Abstract

The present invention discloses a multi-part manual invoice continuous rotary printing method. The printing method is characterized in that the method comprises the following steps: paper feeding, tension control, offset printing, ink jetting, drying, processing, folding, coupling, coding and binding. The multi-part manual invoice continuous rotary printing method improves the traditional plane printing of multi-part manual invoice into the continuous rotary printing, which can shorten the printing time of the product, save a lot of labor and material resources, greatly increase the work efficiency and decrease the error rate of the product, ensure the product quality, decrease the consumption of various raw materials and reduce the labor intensity of staffs.

Application Domain

Technology Topic

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  • Multi hand writing invoice continuous rotary printing method

Examples

  • Experimental program(1)

Example Embodiment

[0025] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0026] This patent uses a commercial form printer, which mainly includes a paper feeding part, an offset printing part, a processing part, a folding part, an inkjet system, a drying system, and an automatic circulating water supply system.
[0027] 1. Paper feeding department
[0028] The roll paper is fixed to the roll expansion shaft in an inflatable manner. The roll expansion shaft is connected by a gear drive and a magnetic powder brake. When working, the tension detection roller and the tension sensor detect the unwinding tension, and feed back the signal to the tension controller , Control the braking force of the magnetic powder brake to form a closed loop unwinding tension control.
[0029] During printing, the unwinding paper passes through two feed rollers in an "S" shape. The feed roller is synchronized with the main shaft and is connected to the servo motor through a harmonic drive. When working, when the tension and hole spacing change, the servo motor is fixed. The feeding amount of the paper roll is sent out at a constant feeding amount. In the printing process, in order to prevent the paper from being in a bad state when the paper is unrolled, causing the snaking and swinging of the delivered paper, a paper edge rectifier is especially installed in the paper feeding section to make the paper feed stable.
[0030] 2. Offset Printing Department
[0031] The offset printing department is the printing unit of the printing press. Offset printing uses the incompatible natural law of water and oil to form graphics and blank parts on the same flat printing plate. Both ink and water are supplied to the printing plate. The graphics and text parts of the layout selectively absorb oil and water, while the blank parts absorb water. Resistant to oil for printing. Because an intermediate cylinder wrapped with a blanket is added between the printing plate and the paper, the imprint of the graphic surface of the printing plate is printed on the paper of the impression cylinder indirectly, hence the name "offset printing".
[0032] 3. Processing Department
[0033] The processing department processes the printed paper in a prescribed manner to realize the linkage between printing and post-printing processing. Its main functions include horizontal ridge line function, vertical ridge line function, trimming function, edge hole function, etc.
[0034] 4. Folding part
[0035] The folding part is the process of receiving the printed products after the processing part is finished.
[0036] 5. Automatic circulating water supply system
[0037] Fill the tank with water, add fountain solution to keep the PH value of the water at 5-6, set the water temperature to 8-12℃, and the alcohol concentration to 10%. The prepared water diameter pump is sent to each color group The water tank of each color group is returned to the water tank to form circulating water for printing.
[0038] 6. Inkjet system
[0039] It adopts a high-speed inkjet system, which uses an electronic computer to store information, and the computer controls the flow of high-permeability fine ink droplets to form printed graphics and texts on the surface of the paper. It is a pressureless, plateless imaging printing.
[0040] 7. Drying system
[0041] The drying system is controlled by the power control system to accurately control the temperature of the UV light box, and through the irradiation of ultraviolet rays, the printed matter passing through the light box can reach the drying standard within 0.2 seconds.
[0042] Each of the above-mentioned printing presses are closely connected together. The main drive shaft is driven by the main motor, and the main drive shaft drives the components to move synchronously. Each unit is equipped with an independent drive motor, so that each unit is Can be adjusted independently.
[0043] figure 1 It is the process flow chart of the continuous rotary printing method for multi-joint invoicing provided by the present invention. As shown in the figure, the multi-joint invoicing continuous rotary printing method includes the following steps:
[0044] A. Feed the paper, fix the roll paper on the paper roll expansion shaft in an inflatable manner, brake by a magnetic powder brake, and unwind the paper in an "S" shape through two feed rollers that are synchronized with the main shaft to make the paper The roll is sent out at a constant feed rate;
[0045]B. Tension control: The paper roll expansion shaft is connected through a gear drive and a magnetic powder brake. The tension detection roller and a tension sensor detect the unwinding tension, and feedback signals to the tension controller to control the braking force of the magnetic powder brake to form a closed loop unwinding tension. control;
[0046] C. Offset printing: The unrolled roll paper is conveyed to the offset printing section by the feed roller. The offset printing section sets the printing order based on the primary and secondary of the printed product layout and the shade of ink, and selects the required color group according to the number of colors of the printed product. Arrange the order according to the priority of the printing plate and the intensity of the ink, and then put the required ink into the ink tank in turn, and then evenly spread the ink on the ink roller to wait for printing. At the same time, start the automatic continuous circulating water supply system for printing;
[0047] D. Inkjet: using a computer-controlled high-permeability fine ink droplet flow to form printed graphics and text on the paper surface through jetting;
[0048] E. Drying: The drying system is used to dry the printed products after inkjet. The temperature and precision control of the UV light box is controlled by the power control system, and the printed products passing through the light box reach the drying standard within 0.2 seconds through the irradiation of ultraviolet rays;
[0049] F. Processing: Process the printed paper with horizontal ridge line, vertical ridge line, edge trimming, and edge hole processing to realize the linkage of printing and post-printing processing;
[0050] G. Folding: The printed products from the processing department are folded and stored according to the invoice printing standard through the folding mechanism;
[0051] H. Coupling and coding: Put the printed semi-finished product invoices neatly on the pallet, and transport them to the collating and numbering machine with a hydraulic car. The collating machine is adjusted according to the specifications of the printed product, and the ordinary carry numbering machine is selected and installed. On the number base of the collating machine, the required numbers are numbered section by section, and finally all the joints are prepared in sequence by the collating machine and sent to the binding group;
[0052] I. Binding: The semi-finished product invoice sent to the binding after the page is collated, and the tearing operation is performed during the binding. The torn semi-finished product is cut with a machine knife to form the plastic head, divide the book, package the book, and cut the finished product, and pack it into Library.
[0053] BF-4600B commercial form 6-color printing machine means that up to 6 colors can be printed at a time. As for the prints of less than 6 colors, you can choose the color group for printing at will, and just turn off the unnecessary ones. The BF-4600B commercial form printing machine is a high-speed rotary printing machine, and the printing process is continuous, so roll paper must be used.
[0054] The roll paper is fixed on the inflatable shaft of the paper feeding part in an inflatable manner, and is braked by a magnetic powder brake. The unrolled roll paper is conveyed to the offset printing section by the feed roller. The offset printing section sets the printing sequence based on the layout of the printed product and the darkness of the ink. After the paper is printed by the offset printing section, it is sent to the processing section for horizontal ridge lines, perforation, etc. It is processed into a prescribed shape, and finally it is gathered and formed by the receiving part.
[0055] The feed roller of the paper feeding section is designed to provide continuous paper for the offset printing section. It is synchronized with the main shaft and connected to the servo motor through a harmonic drive. Enter the paper weight and width on the main screen, and the host will automatically generate a tension Base number. During work, if the tension and hole distance are changed, increase or decrease the base number appropriately to change the paper feeding amount of the feed roller, so that the tension and hole distance are consistent on the three-meter standard ruler, as long as each page is in accordance with The standard ruler is the standard tension range.
[0056] Select the required color group according to the color number of the product, arrange the order according to the primary and secondary of the printing plate and the intensity of the ink, and then put the required ink into the ink tank in turn, and then evenly spread the ink on the ink roller. Wait for printing, and start the automatic continuous circulating water supply system at the same time, adjust the water supply amount. During continuous operation, water and ink will be automatically supplied. When the test machine is adjusted, the deviation amount of the printing mark of each color group will be input into the man-machine dialogue screen, and the computer will command Harmonic driver of each color group, drive servo motor, servo motor will drive each color group, adjust according to the input amount, its printing is based on the principle of oil and water repulsion, so that the pictures and text parts are oily and the blank parts are hydrophilic, and they are stamped Finish printing.
[0057] Put the printed semi-finished product invoices neatly on the pallet and transport them to the collating machine with a hydraulic car. The collating machine is adjusted according to the specifications of the printed product, such as the size and width of the printed product. For example, when the manual invoice is prepared, and the invoice process is 22 inches with six pages, we choose 6 ordinary carry numbering machines and install them in the collating page. On the machine numbering seat, divide the required number into 6 sections and print the numbers one by one. Finally, all the copies are prepared in order by the collating machine and sent to the binding group. The manual version of the invoice is printed and page numbered. Technology, fast, efficient, and accurate completion of the printing preparation process, the semi-finished products provided for binding accelerate the speed of binding, and greatly improve the pass rate of the product.
[0058] The semi-finished invoice sent to the binding after collation is torn in the binding. The current tearing replaces the traditional manual assembly, the speed is increased by more than 5 times, and the error rate is also significantly reduced. The torn semi-finished product is cut with a machine knife to form the plastic head, divided, packaged, cut the finished product, packaged and stored in the warehouse and other traditional techniques.
[0059] This printing method can obviously shorten the printing time of the product and meet the customer's ticketing cycle. The company will save a lot of manpower and material resources, work efficiency will be greatly improved, the probability of product errors will be greatly reduced, and product quality will be improved. The consumption of various raw materials has also been significantly reduced, many unnecessary operation links have been reduced, the degree of automation has been relatively improved, and the labor intensity of employees has been reduced.
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Description & Claims & Application Information

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the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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