Anti-counterfeit printing device and method
A technology of anti-counterfeiting printing and printing table, applied in printing, printing machine, printing process and other directions, can solve the problems of affecting the quality of printing, unable to print continuously, low work efficiency, etc., to improve drying speed, improve printing quality, The effect of improving accuracy
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Example Embodiment
[0026] Example 1
[0027] A method of anti-counterfeiting printing. The ink used by the printer is ultraviolet-induced color-changing anti-counterfeiting ink. Its components include: 35 parts of epoxy resin, 10 parts of phenolic resin, 12 parts of ultraviolet phosphor, 6 parts of dispersant, 4 parts of defoamer , 8 parts of calcium carbonate, 13 parts of ethyl acetate, and 12 parts of isopropanol; the preparation method of anti-counterfeiting ink includes the following steps: a) weighing, weighing the materials according to the proportion of each component described in claim 2 for use; b ) Stir, stir the epoxy resin, phenolic resin, ethyl acetate and isopropanol evenly, and stir at 500r / min for 40min; c) Conditioning, add ultraviolet phosphor, dispersant, defoamer, and calcium carbonate to the step b) In the obtained material, stir for 50min at 1000r / min to obtain the finished ink.
Example Embodiment
[0028] Example 2:
[0029] The method steps are the same as in Example 1, and the different process parameters are as follows:
[0030] 40 parts epoxy resin, 15 parts phenolic resin, 15 parts ultraviolet phosphor, 8 parts dispersant, 5 parts defoamer, 10 parts calcium carbonate, 15 parts ethyl acetate, 15 parts isopropanol;
Example Embodiment
[0031] Example 3:
[0032] The method steps are the same as in Example 1, and the different process parameters are as follows:
[0033] 30 parts of epoxy resin, 5 parts of phenolic resin, 8 parts of ultraviolet phosphor, 3 parts of dispersant, 2 parts of defoamer, 4 parts of calcium carbonate, 10 parts of ethyl acetate, 8 parts of isopropanol;
[0034] The printing table 1 is provided with a positioning block 5 to fix the position of the printing paper 3 to improve the printing accuracy of the printing press. At the same time, the fixing block 5 cooperates with the first pressing roller 4 to make the printing paper 3 smoother without curling , Improve the printing quality; the right side of the printing machine 6 is equipped with a photoelectric sensor 7, which can effectively obtain the conveying speed of the printing paper 3, and then by adjusting the speed of the driving motor connected to the paper feeding roller 2 and the roll 11, it can avoid The speed of the paper roller 2 or th
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