CN113103795A - Novel UV (ultraviolet) spray printing process for color two-dimensional code - Google Patents
Novel UV (ultraviolet) spray printing process for color two-dimensional code Download PDFInfo
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- CN113103795A CN113103795A CN202110287407.7A CN202110287407A CN113103795A CN 113103795 A CN113103795 A CN 113103795A CN 202110287407 A CN202110287407 A CN 202110287407A CN 113103795 A CN113103795 A CN 113103795A
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- dimensional code
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/14—Security printing
Abstract
The invention discloses a novel UV (ultraviolet) spray printing process for a color two-dimensional code, which comprises the following steps of: selecting a fixed two-dimensional code spraying device provided with a gravure press, reserving two-dimensional code areas on the surface of a printing stock, generating a planar two-dimensional code image according to preset rules in a corresponding processor in a computer, coloring the area images, selecting spray heads in a spray head group from the area images according to the preset rules, matching corresponding color ink, carrying a color two-dimensional code live code formed by coloring and fusing the spray heads to the spray printing device, spraying and printing the code on the printing stock, and curing ink by ultraviolet light for drying to finish code-marking production; the invention improves the imitation difficulty of the anti-counterfeiting two-dimensional code, adopts the anti-counterfeiting two-dimensional code consisting of multiple colors and multiple materials, leads the package to be more exquisite, and simultaneously improves the difficulty of copying the two-dimensional code, the color two-dimension is realized by multi-nozzle jet printing, the effect of the concave-convex two-dimensional code combined with colors is jet printed, and the anti-counterfeiting difficulty is manufactured from a physical layer.
Description
Field of the technology
The invention relates to the field of two-dimensional code packaging related processes, in particular to a novel UV (ultraviolet) spray printing process for a color two-dimensional code.
Background art
Along with scientific and technological development, various intelligent packing is also released in packing printing field, use at present most extensively for the application of two-dimensional code, specifically for packing decoration face spout print storage simple two-dimensional code "dead code" that links and the two-dimensional code live code that the storage content is abundant, the live code can correspond to "an thing sign indicating number", anti-fake function is stronger, and it is simple and lower cost effective anti-fake mode to use the live code two-dimensional code to prevent fake now, the consumer relies on the two-dimensional code that sweeps extranal packing can be scanned to instrument such as "believe a little", "payment is precious" in the smart mobile phone of nearly people's hand and obtains product relevant information and anti-fake information etc. and verify the true and false.
However, the two-dimensional code on the outer package is a simple black and white code which is easy to copy and steal, so that the most important anti-counterfeiting application of the two-dimensional code does not play the most important role.
Therefore, it is necessary to provide a new type of UV spray printing process for color two-dimensional codes to solve the above problems.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a novel UV spray printing process for a colored two-dimensional code, wherein the sprayed two-dimensional code is the colored two-dimensional code with a concave-convex effect, so that the copying difficulty of the two-dimensional code is increased, the anti-counterfeiting effect is improved, and the problems of strong exposure, small copying difficulty and easiness in copying and stealing of the conventional two-dimensional code are solved.
The technical scheme of the invention is as follows: a novel UV (ultraviolet) spray printing process for color two-dimensional codes comprises the following steps:
(1) selecting jet printing equipment: selecting a code spraying device additionally arranged on a gravure press and an offset press or an independent two-dimensional code spraying machine;
(2) and (3) generating a two-dimensional code: generating a planar two-dimensional code image by the two-dimensional code with the information content in a corresponding processor in the computer according to a preset rule;
(3) color matching of the two-dimensional code: color matching is carried out on a planar two-dimensional code image, the image is divided into a plurality of area images according to a preset rule, the plurality of area images are subjected to color endowing, the plurality of area images can be endowed with single spot color or multiple colors, and the multi-color two-dimensional code is obtained after fusion;
(4) ink preparation of the jet printing equipment: after color endowing is finished, selecting the nozzles in the nozzle group for each area image according to a preset rule, and matching corresponding color ink;
(5) continuous loading jet printing device: carrying the color two-dimensional code live code formed by coloring and fusing all the nozzles to a jet printing device;
(6) and (3) spray printing: setting the spray printing thickness of a spray head used by the color two-dimensional code, and spray printing the code on a printing stock according to the set color and ink amount thickness parameters;
(7) and (3) drying: and drying the ink on the surface of the printing stock by adopting an ultraviolet irradiation curing mode to finish the code-assigning production.
Further, a plurality of groups of nozzles are arranged in the code spraying device in the step (1), each group of nozzles contains 1-4 nozzles, and each nozzle is connected with an ink tube and an ink cylinder and is used for conveying code spraying UV spot color or primary color ink.
Further, in the step (1), the code spraying device is installed on the printer or is an independent code spraying machine, the printer finishes code spraying, tracking the color mark points and printing the white background, the code spraying electric eye recognizes the color mark points to finish code spraying and positioning, and the electric signal is given to the spray head to ensure that the spray head is suitable for spraying and printing the white background.
Further, in the step (1), each nozzle group in the code spraying device can translate horizontally or longitudinally, so that the code spraying position of a printed material is flexible and variable, the maximum spray printing paper is 1060 × 1060mm, the spray printing area of the nozzle is wide, and the maximum spray printing size is 54mm × 54 mm.
Further, in the step (6), the printing stock is 97-250g of common white card, copper plate or aluminum foil paper for cigarette labels.
Further, in the steps (2) - (6), the corresponding processor in the computer generates a planar two-dimensional code image according to a preset rule, the planar two-dimensional code image is subjected to color giving in a partition mode, different color spray heads in the spray head group are selected according to the color effect required by color giving, the spray printing thickness of each color spray head is controlled along with the voltage intensity, and the change of the ink droplet thickness is achieved.
Further, in the step (5), the color two-dimensional code includes product specification, production place, production process, storage method, shelf life and anti-counterfeiting content according to product setting information, the QR code is adopted as a matrix two-dimensional code, the square modules are arranged in the square pattern, the QR code comprises a functional pattern of the two-dimensional code and a coding region, the functional pattern assists scanning software to identify and position the two-dimensional code, the module density and the scannable distance of the two-dimensional code are determined, the coding region mainly stores actual data, and the two realize the two-dimensional code function together.
Further, in the step (2), the two-dimensional code belongs to a two-dimensional code with a color on a white background, the content can be identified by scanning with a special device or a mobile phone after the code packet is activated, and the two-dimensional code is printed by spraying with a resolution of 600 × 600, 800 × 800, or 1000 × 1000.
Compared with the prior art, the invention realizes that the multicolor two-dimension code is endowed to the outer package, so that the package is more exquisite, the eye-sucking effect of the commodity is increased, the purchase desire of customers is improved, a certain promotion effect is achieved, and the difficulty of copying the two-dimension code is also improved; in addition, the color two-dimension is realized by multi-nozzle jet printing, so that the ink jet thickness of each nozzle can be randomly set, the concave-convex two-dimension code effect combined with the color is jet printed, and the anti-counterfeiting difficulty is made from the physical layer.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of an example of color-rendering in a planar two-dimensional code image partition according to the present invention.
Fig. 2 is a schematic diagram of a nozzle group of the code spraying device of the invention.
Fig. 3 is a flow chart of the two-dimensional code UV jet printing process.
Detailed Description
The process schemes in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Example 1
Referring to fig. 1-3, a novel color two-dimensional code UV spray printing process includes the following steps:
a: selecting jet printing equipment: selecting a code spraying device provided with a gravure press, wherein the code spraying device is provided with a plurality of groups of spray heads, and the spray heads are connected with ink tubes and ink cylinders and used for conveying code spraying UV spot color and primary color ink;
b: preparing a printing stock: printing a data storage area pattern on a preset two-dimensional code area on the surface of a printing stock, wherein the printing stock is a 97g cigarette standard common white card;
c: and (3) generating a two-dimensional code: generating a planar two-dimensional code image by a two-dimensional code with information content in a corresponding processor in a computer according to a preset rule, and generating a planar two-dimensional code by adopting a two-dimensional code system of a QRCode positioning area and a data storage area;
d: color matching of the two-dimensional code: color matching is carried out on the planar two-dimensional code image, the image is divided into a plurality of area images according to a preset rule, and the plurality of area images are subjected to color endowing;
e: ink preparation of the jet printing equipment: after color endowing is finished, selecting the nozzles in the nozzle group for each area image according to a preset rule, and matching corresponding color ink;
f: continuous loading jet printing device: carrying the color two-dimensional code live code formed by coloring and fusing all the nozzles to a jet printing device;
g: and (3) spray printing: setting the spray printing thickness of a spray head used by the color two-dimensional code, and spray printing the code on a printing stock according to the set color and ink amount thickness parameters;
h: and (3) drying: and drying the ink on the surface of the printing stock by adopting an ultraviolet irradiation curing mode to finish the code-assigning production.
Example 2
In this embodiment, a further optimization is performed on the basis of embodiment 1, specifically, in step a, the inkjet printing apparatus is a code spraying device equipped with an offset printing machine, the code spraying device is equipped with a plurality of groups of nozzles, each group of nozzles contains 4 nozzles, and each nozzle is connected to an ink tube and an ink tank and is used for conveying a code-sprayed UV spot color and a primary color ink.
Specifically, in the step a, the code spraying device is installed on the printer or is an independent code spraying machine, the printer finishes spraying codes to track the color mark points and the white background, the code spraying electric eye recognizes the color mark points to finish spraying code positioning, and the electric signal is given to the spray head to obtain the spray codes to be sprayed and printed above the white background.
Specifically, in the step a, each nozzle group in the code spraying device can move horizontally or longitudinally, so that the code spraying position of the printing stock can be flexibly changed, the maximum paper of the printing stock is 1060mm multiplied by 1060mm, the spray printing area of the nozzle is wide, and the maximum size of the spray printing is 54mm multiplied by 54 mm.
Specifically, in the step B, the printing stock is a 150g common copper plate for the cigarette pack.
Specifically, in the step C, a planar two-dimensional code is generated by a two-dimensional code system with a positioning area and a data storage area by adopting MaxiCode, a corresponding processor in a computer generates a planar two-dimensional code image according to a preset rule, the planar two-dimensional code image is subjected to color giving in a partition mode, different color spray heads in a spray head group are selected according to color effects required to be achieved by color giving, the spray printing thickness of each color spray head is controlled along with the voltage intensity, different thicknesses are selected for spray printing to realize the rugged effect, the color two-dimensional code contains rich information content, the anti-counterfeiting mode is various, the content anti-counterfeiting and the color spray printing random thickness anti-counterfeiting formed by selecting the two-dimensional code can.
Specifically, in the step D, since 4 nozzles are configured, accurate overprinting of 4 different colors can be realized, the ink jet thickness can be randomly adjusted by 4 nozzles providing different colors in the nozzle group, and if a color two-dimensional code is generated by combining and fusing four primary colors or a spot color CMYK, the ink jet thickness can be adjusted by the 4 nozzles corresponding to the CMYK 4 colors, the C nozzle, the M nozzle, the Y nozzle, and the K nozzle, assuming that the ink jet thickness of the C nozzle is set to be the thickest, and the ink jet thickness is generally 0.2-0.5mm, then, the area where the two-dimensional code finally ejected has the C primary color or the spot color overprinting will be most convex, and the rest colors can be analogized in sequence, thereby realizing the concave-convex anti-counterfeiting effect of the two-dimensional code in combination with color change.
Example 3
The embodiment is further optimized on the basis of embodiment 1, and specifically, the jet printing equipment is a two-dimensional code spraying machine.
Specifically, in the step F, the color two-dimensional code is a matrix two-dimensional code according to product setting information, including product specification, production area, production process, storage method, shelf life, and anti-counterfeiting content, and the QR code is used and arranged in a square pattern by a square module, wherein the square pattern includes a functional pattern and a coding area of the two-dimensional code, the functional pattern assists scanning software to identify and locate the two-dimensional code, and determines the module density and the scannable distance of the two-dimensional code, the coding area is mainly used for storing actual data, and the two-dimensional code function is realized by the two.
Specifically, the printing stock is 250g of common aluminum foil paper for cigarette labels.
Specifically, in step C, the two-dimensional code belongs to a two-dimensional code with a color on a white background, the content can be identified by scanning with a dedicated device or a mobile phone after the code packet is activated, and the two-dimensional code is printed by spraying at a resolution of 600 × 600, 800 × 800, or 1000 × 1000.
Specifically, in the step B, a frame is arranged in a preset two-dimensional code area of the printed object surface, and the positioning area pattern and the data storage area pattern form a complete and recognizable anti-counterfeiting two-dimensional code in the frame.
Specifically, in the step C, a planar two-dimensional code is generated by using a two-dimensional code system in which the hanxin code has a positioning area and a data storage area.
In summary, the following steps: according to the invention, the anti-counterfeiting two-dimensional code pattern is split according to the characteristics of the two-dimensional code, the pattern of the positioning area and the pattern of the data storage area are printed in different modes, the imitation difficulty of the anti-counterfeiting two-dimensional code is improved, the anti-counterfeiting two-dimensional code consisting of multiple colors and multiple materials is adopted, the combination is varied, the appearance is more attractive, the package is more exquisite, the eye-sucking effect of the commodity is increased, the purchase desire of a customer is improved, a certain promotion effect is achieved, the product value is improved, the copying difficulty of the two-dimensional code is also improved, the color two-dimensional code is realized by the spray printing of multiple spray heads, the ink-jet thickness of each spray head can be randomly set, the effect of the spray printing of the.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made in the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. The novel UV spray printing process for the color two-dimensional codes is characterized by comprising the following steps of:
(1) selecting jet printing equipment: selecting an ink-jet printing device additionally arranged on a gravure press or an offset press or an independent two-dimensional code ink-jet printing machine;
(2) and (3) generating a two-dimensional code: generating a planar two-dimensional code image by the two-dimensional code with the information content in a corresponding processor in the computer according to a preset rule;
(3) color matching of the two-dimensional code: color matching is carried out on the planar two-dimensional code image, the image is divided into a plurality of area images according to a preset rule, and the plurality of area images are subjected to color endowing;
(4) ink preparation of the jet printing equipment: after color endowing is finished, selecting the nozzles in the nozzle group for each area image according to a preset rule, and matching corresponding color ink;
(5) continuous loading jet printing device: carrying the color two-dimensional code live code formed by coloring and fusing all the nozzles to a jet printing device;
(6) and (3) spray printing: setting the spray printing thickness of a spray head used by the color two-dimensional code, and spray printing the code on a printing stock according to the set color and ink amount thickness parameters;
(7) and (3) drying: and drying the ink on the surface of the printing stock by adopting an ultraviolet irradiation curing mode to finish the code-assigning production.
2. The novel UV spray printing process for the colored two-dimensional codes, according to claim 1, is characterized in that: and (2) configuring a plurality of groups of spray heads in the code spraying device in the step (1), wherein each group of spray heads contains 1-4 spray heads, and each spray head is connected with an ink tube and an ink cylinder and is used for conveying code spraying UV spot color or primary color ink.
3. The novel UV spray printing process for the colored two-dimensional codes, according to claim 1, is characterized in that: in the step (1), the code spraying device is installed on the printer or is an independent code spraying machine, the printer finishes code spraying, tracking color code points and printing of the white background, the code spraying electric eye recognizes the color code points to finish code spraying and positioning, and gives an electric signal to the spray head to obtain the spray printing of the spray head above the white background.
4. The novel UV spray printing process for the colored two-dimensional codes, according to claim 1, is characterized in that: in the step (1), each nozzle group in the code spraying device can move horizontally or longitudinally, so that the code spraying position of a printing stock can be flexibly changed, the maximum spray printing paper is 1060 multiplied by 1060mm, the spray printing area of the nozzle is wide, and the maximum spray printing size is 54mm multiplied by 54 mm.
5. The novel UV spray printing process for the colored two-dimensional codes, according to claim 1, is characterized in that: in the step (6), the printing stock is 97-250g of common white card, copper plate or aluminum foil paper for cigarette labels.
6. The novel UV spray printing process for the colored two-dimensional codes, according to claim 1, is characterized in that: in the steps (2) - (6), the corresponding processor in the computer generates a planar two-dimensional code image according to a preset rule, the planar two-dimensional code image is subjected to color giving in a partition mode, different color spray heads in the spray head group are selected according to the color effect required by color giving, the spray printing thickness of each color spray head is controlled along with the voltage intensity, different thicknesses are selected for spray printing to achieve the rugged effect, and the anti-counterfeiting effect and the difficulty in imitation are achieved.
7. The novel UV spray printing process for the colored two-dimensional codes, according to claim 1, is characterized in that: in the step (5), the color two-dimensional code is a matrix two-dimensional code according to product setting information, including product specifications, production places, production processes, storage methods, shelf lives and anti-counterfeiting contents, the QR code is adopted and arranged in a square pattern by square modules, the square pattern comprises a functional pattern and a coding region of the two-dimensional code, the functional pattern assists scanning software to identify and position the two-dimensional code, the module density and the scannable distance of the two-dimensional code are determined, the coding region mainly stores actual data, and the two-dimensional code and the module density realize the two-dimensional code function together.
8. The novel UV spray printing process for the colored two-dimensional codes, according to claim 1, is characterized in that: in the step (2), the two-dimensional code belongs to a two-dimensional code with a color on a white bottom, the content can be scanned and identified by using special equipment or a mobile phone and the like after the code packet is activated, and the two-dimensional code is printed by spraying with the resolution of 600 × 600, 800 × 800 and 1000 × 1000.
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| CN114103504A (en) * | 2021-11-26 | 2022-03-01 | 上海美美尚隽印刷有限公司 | Printing process of anti-counterfeiting traceable invisible code and color box for printing invisible code |
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| CN115008921A (en) * | 2022-06-23 | 2022-09-06 | 厦门联泰标识信息科技有限公司 | Multi-color jet printing method for single character of high-resolution ink-jet printer |
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Application publication date: 20210713 |