CN106408061B - Code assigning method for entrance code of Internet of things - Google Patents
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- CN106408061B CN106408061B CN201510470753.3A CN201510470753A CN106408061B CN 106408061 B CN106408061 B CN 106408061B CN 201510470753 A CN201510470753 A CN 201510470753A CN 106408061 B CN106408061 B CN 106408061B
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Abstract
The invention relates to a code assigning method for an internet of things entrance code, which is characterized in that a code of an explicit two-dimensional code or an invisible two-dimensional code is directly assigned to a code assigning medium such as a bottle cap, a plastic bottle, a glass medicine bottle, food packaging and the like. Printing one deck transparent UV printing ink on the code as the protective layer, covering again and scraping the coating, make stealthy two-dimensional code have the disguise, still can prevent that the mesh point that bottle lid and other commodities, goods shelves, case etc. friction caused from damaging or polluting, influence the mobile device and discern stealthy two-dimensional code information, solve through the cell-phone read the two-dimensional code and realize in the sales promotion activity, prevent the stolen reading of two-dimensional code, influence the cell-phone and read the problem that the sales promotion activity of two-dimensional code popularized in a large number. The information on the bottle cap can be recognized by utilizing the mobile equipment, the recognition mode is simple, and the public is willing to accept the information. The method can be used as a means for anti-counterfeiting tracing of commodities, can also be used for promotion of network propaganda and lottery, and other sales promotion activities, forms the effects of social interaction and the like with the commodities as the center, and improves the additional value of the commodities.
Description
[ technical field ] A method for producing a semiconductor device
The invention belongs to a code assigning method of an internet of things entry code in the field of image processing.
[ background of the invention ]
In recent years, variable information printing has become popular, and thus, variable information printing can be realized in mass-produced packages, and the sales volume of products and the quality of customer service have been improved. In the beverage water commodity, in order to promote the sales of the commodity, a commodity POP label is hung at the bottleneck position of the beverage water commodity to inform customers of sales promotion activities, and a link address of a homepage on the Internet is recorded, so that the consumers can obtain detailed activity information by connecting the address on a mobile device. Here, by printing a lottery code on the product POP label by a variable information printing technique, a consumer who purchases a product can participate in a lottery activity, and can obtain a luxury gift, which can stimulate the desire of the consumer to purchase.
Conventionally, a known technique relating to a "system for developing a sales promotion" (patent document 1) has been published in japan for realizing the sales promotion method described above. The patent proposes that the two-dimensional code is read through a mobile phone, and sales promotion activities such as lottery drawing and the like can be carried out by connecting a network server.
In order to solve the problem that a two-dimensional code printed on a package of a commodity is stolen and read by an illegal person before a consumer purchases the commodity, japanese companies have also issued a patent application of "a label for a container" (patent document 2). This patent proposes that the hidden information for sales promotion can be prevented from being leaked by printing an opaque scratch coat (scratch Print) on the upper surface of the information to be hidden, such as "winning a prize" or "winning number" printed on the container, and scratching it off with a coin or the like to display the hidden information.
[ patent document ]
[ patent document 1 ] (Japanese patent laid-open 2014-174639)
[ patent document 2 ] (Japanese patent laid-open No. 2007-178911)
The above (patent document 1) does not consider the problem that the two-dimensional code printed on the package of the product is stolen and read by an illegal person before the consumer purchases the product, and thus the large-scale development of the sales promotion activity by reading the two-dimensional code with a mobile phone is affected.
The above (patent document 2) does not predict sales promotion by recognizing a two-dimensional code with a mobile phone, and the method of scraping a coating layer for all printing of hidden information is inconvenient for a consumer to scratch a prize with a coin, and increases the printing cost.
[ summary of the invention ]
The purpose of the invention is: the problem of how to prevent the two-dimensional code from being stolen and read in the promotion activity realized by reading the two-dimensional code through a mobile phone and influencing the promotion activity of reading the two-dimensional code by the mobile phone to be popularized in a large amount is solved, and the method is used as a code assigning method of an internet of things entrance code.
Meanwhile, the invention overcomes the defects of the traditional technology and provides a scraping coating printing method suitable for mobile phone two-dimensional code reading internet promotion activities and a method for preventing a consumer from carelessly scraping the two-dimensional code when the consumer scrapes a prize by using coins.
In order to solve the above problems, the following technical solutions are proposed:
a code assigning method for an Internet of things entry code is characterized by comprising the following steps:
(1) the variable information printing system is arranged on the gravure printing machine and is responsible for printing variable information of the explicit two-dimensional code or the invisible two-dimensional code on line;
(2) firstly, performing color processing so as to perform mobile phone identification on the surface of the mobile phone through a transparent film;
(3) the color matching marks can be converted into electric signals, and the spray head is controlled to start, so that the effect of controlling the horizontal position of the sprayed code can be achieved;
(4) and transmitting the offset of the film to an offset controller by using an ultrasonic or laser mode, and controlling the transverse position of the spray head by the offset controller through a closed-loop PID (proportion integration differentiation) regulation control means until the offset is corrected.
Moreover, the code of the explicit two-dimensional code or the invisible two-dimensional code can be directly connected with a network through the recognition of a mobile phone in a consumer, so that at least one network selling function of a social group taking commodities as a center, or OTO network selling, lottery activity or commodity advertisement propaganda is formed.
In addition, the method for preventing the code of the explicit two-dimensional code or the invisible two-dimensional code from being stolen and read is a method for minimizing the area of the covered code by considering the structural characteristics of the explicit two-dimensional code or the invisible two-dimensional code.
The printing sequence of the code assigning method for preventing the code from being stolen and read is to print the identification image on the code assigning medium, then to assign the explicit two-dimensional code or the invisible two-dimensional code, then to print the protective layer, and finally to prevent the code of the explicit two-dimensional code or the invisible two-dimensional code from being stolen and read.
The code assigning of the explicit two-dimensional code or the invisible two-dimensional code is performed by a printing process characterized by inkjet printing or a laser method.
The additionally printed protective layer is screen printed with UV curable ink, offset printed, relief printed, or intaglio printed.
[ description of the drawings ]
FIG. 1 is a schematic diagram of various second-generation bar code explicit two-dimensional codes
FIG. 2 is a schematic diagram of a third generation invisible two-dimensional bar code
FIG. 3 is a schematic view of a printing mode of an invisible two-dimensional code of a beverage bottle cap
FIG. 4 is a schematic view of a bottle cap printed with an invisible two-dimensional code
FIG. 5 is a schematic view of a bottle cap printed with a scratch-off coating
FIG. 6 is a schematic view showing a cross-sectional structure of a bottle cap printed by the method of the present invention
FIG. 7 is a schematic view of a method of preventing skimming by applying a heat shrink film to the cap
FIG. 8 is a schematic view of a method for preventing theft and reading by coding inside a bottle cap
FIG. 9 is a schematic diagram of a method for preventing stolen reading by coding inside a thermal shrinkage label
FIG. 10 is a schematic illustration of a method of assigning codes within a film
FIG. 11 is a schematic view of the printing sequence of the code assigning method for preventing stolen reading
FIG. 12 is a schematic view of an intaglio online variable information printing system
FIG. 13 is a schematic diagram of control of start position of code spraying by color matching markers
FIG. 14 is a schematic diagram of a showerhead lateral offset EPC control system
200 is a hidden two-dimensional code
201 is a hypothetical reference line
202 is a characteristic lattice of directions of the invisible two-dimensional code
203 is the information lattice of the stealthy two-dimensional code
204 is a logo image
205 is the identification of embedded information
301 is an invisible two-dimensional code
401 is an invisible two-dimensional code printed on a bottle cap
501 is a scratch and scrape coating printed on a bottle cap
601 is a bottle cap
602 is code of explicit two-dimensional code or invisible two-dimensional code
603 for transparent UV ink printing
604 is a doctor blade coating
700 is bottle lid of beverage water's plastic bottle
701 is a heat-shrinkable film
702 is a code of an explicit two-dimensional code or an invisible two-dimensional code
800 is a bottle cap
801 code of explicit two-dimensional code or invisible two-dimensional code
900 is a plastic bottle, 901 is a thermal shrinkage mark
902 is an explicit two-dimensional code or an invisible two-dimensional code printed inside a heat-shrinkable label
1000 is a schematic view of a film having a logo pattern and a code of an explicit two-dimensional code or an invisible two-dimensional code printed therein
1001 is a film having an effect of a logo pattern and an explicit two-dimensional code or an invisible two-dimensional code viewed from the front
1002 is a schematic view of a logo image printed on the inside of a film
1003 is a logo pattern viewed from the front
1004 is a schematic diagram of an explicit two-dimensional code or an invisible two-dimensional code printed in a film
1005 is the effect of an explicit two-dimensional code or an invisible two-dimensional code viewed from the front
1100 is a bottle cap offset press capable of on-line variable information coding
1101 is a color of color offset printing, such as light blue (C)
1102 is another color of color offset printing, such as pink (M)
1103 is a color of color offset printing, such as yellow (Y)
1104 is another color of color offset printing, e.g. black (K)
1105 is to use the code spraying machine to print the variable information with one label and one code
1106 is the printing of a protective layer of transparent UV ink
1107 is the printing of a scratch-off coating that prevents the code of an overt two-dimensional code or an invisible two-dimensional code from being stolen
1108 a coding medium such as bottle cap on the printing production line of offset press
1200 is an intaglio printing press
1201 is a gravure printing press equipped with variable information printing device for printing an explicit two-dimensional code or an invisible two-dimensional code on a medium surface on-line
1202 is a gravure printing machine for printing variable information of an explicit two-dimensional code or an invisible two-dimensional code on a printing medium on line
1203 is a solidification equipment of UVLED lamp
1300 is a color matching mark printed on the film by gravure press 1301
1302 is a photoelectric sensor
1401 is a thin film offset sensor
1402 is an offset controller
[ detailed description ] embodiments
The embodiments of the present invention will be described in further detail below with reference to the attached drawings, but the embodiments of the present invention are illustrative rather than restrictive.
The technical problem to be solved by the invention is realized by adopting the following technical scheme: the embodiments of the invention are explained according to the drawings of the specification.
FIG. 1 is a schematic diagram of various second generation bar code overt two-dimensional codes.
The common dominant two-dimensional codes include QR two-dimensional codes, DM two-dimensional codes and the like, and even one-dimensional bar codes also belong to the content related to the invention.
As shown in the figure: all the explicit two-dimensional codes are characterized in that at least one imaginary horizontal reference line and at least one imaginary vertical reference line, symbols distributed on the imaginary reference lines are called reference symbols for defining the positions of information symbols, at least one symbol represents the direction of the code and is called a characteristic symbol, and each of the symbols recording information is recorded with information "1" or information "0" with a dot or black dot and information "0" or information "1" without a dot or white dot, so that one symbol of the two-dimensional code can record only one bit of information. The printing rate of the dominant two-dimensional code is about 50% on average, and special space is occupied.
Fig. 2 is a schematic diagram of a third generation invisible two-dimensional barcode.
As shown in fig. 2: the invisible two-dimensional code (200) is composed of lattices which are separated from each other and distributed in a matrix, wherein the lattice matrix is provided with at least one virtual reference line (201), and the lattices distributed on the virtual reference line are called as reference lattices, so that the position errors in the X direction and the Y direction during printing are corrected, and the position relation of each information lattice is defined.
The information dot matrix (203) of the invisible two-dimensional code records different information through different positions of the dot matrix, for example, the center of a certain point of the information dot matrix calculated relative to the reference dot matrix, records different information through tiny dislocation, for example, if the dislocation is on the upper left of the center, the information is '0', if the dislocation is on the upper right of the center, the information is '1', if the dislocation is on the lower right of the center, the information is '2', if the dislocation is on the lower left of the center, the information is '3'. Therefore, one symbol of the invisible two-dimensional code can record multi-bit information.
A characteristic dot matrix (202) for indicating the direction of the invisible two-dimensional code is generally arranged at a certain position on an imaginary reference dot matrix, and the direction of the invisible code is indicated by tiny dislocation, so that the invisible code can be read in any direction of 360 degrees.
The invisible two-dimensional code is based on the premise that the maximum information quantity is obtained by occupying the minimum area, the total area (namely the printing rate) of all the dot matrixes is less than 2.8 percent, therefore, more than 97 percent of space can be used for representing the identification image, and the structure of the invisible code is determined by the characteristic. Therefore, the invisible code also has the characteristic of saving code-spraying ink.
By utilizing the characteristics of the invisible two-dimensional code, the invisible two-dimensional code (200) is superposed with the mark image (204), and the mark (205) embedded with information can be obtained. The embedded information identification is read by the mobile phone, so that the commodity can be connected with the network, and various sales promotion activities can be carried out.
The invisible two-dimensional code not only records multi-bit information at different positions by the information dot matrix, but also records the information by the geometrical distribution including the distribution in different directions, the distribution in different distances, the distribution in concentration and dispersion, the distribution in different sizes and the like, and the physical distribution including different modulation modes, different phase modulation results, different mechanical characteristics and the like, and belongs to the category of the invisible two-dimensional code.
Fig. 3 is a schematic view of a printing mode of an invisible two-dimensional code of a beverage water bottle cap.
As basic materials of commodity packaging, the bottle cap takes polyethylene and polypropylene as main materials. The Young's Modulus (Young's Modulus) of the resin material is 2 to 2.5GPa (2.9 x 105 to 3.6 x 105lbf/in2) and 1.5 to 2GPa (2.17 x 105 to 2.9 x 105lbf/in2), the thickness is 0.5mm to 2mm, and the resin material is hard.
The invisible two-dimensional code is printed by adopting a UV ink jet printing process, yellow ink, white ink or black ink is used for printing on the bottle cap, and any other color can be considered.
As described in japanese patent No. 3829143, the invisible two-dimensional code is an information embedding technique for representing a code in the form of an image by changing the position of dots for a screen dot of the same gradation value, and a different code is printed on each bottle cap in a variable information printing manner by changing the dot arrangement. The size of the dots is a size readable by a camera lens carried by the mobile device itself, and the dots are circular with a diameter of 200um or quadrangular with a size of 160 um.
The invisible code is designed mainly by considering direct identification of the mobile phone, and can be connected with a network for network sale and expansion of network sales promotion activities.
Fig. 4 is a schematic view of a bottle cap printed with an invisible two-dimensional code. 401 is the stealthy two-dimensional code of printing on the bottle lid, adopts UV transparent ink printing for the convenience of cell-phone camera lens discernment, and the dot matrix size is the same size as the dot matrix of yellow ink printing, and this kind of dot matrix can't see with the naked eye hardly. When the invisible two-dimensional code of the yellow dot matrix is illuminated by blue, the invisible two-dimensional code can become an image with obvious contrast with a blue image on a camera of the mobile device, so that the invisible two-dimensional code can be accurately read. The invisible two-dimensional code printed by the transparent UV ink can emit visible light if being irradiated by a UV light source of about 400nm, the image of the invisible two-dimensional code can not be captured under the irradiation of sunlight, an incandescent lamp, a fluorescent lamp and the like, and the code value of the invisible two-dimensional code can be recognized by naked eyes or a mobile device when being irradiated by the UV light source of about 400 nm.
The structure of above-mentioned stealthy two-dimensional code in addition prints with UV transparent ink, can realize the effect of stealthy two-dimensional code completely, and naked eye almost can not discern, the high-end anti-fake demand of mainly used.
Fig. 5 is a schematic view of a bottle cap printed with a scratch-off coating. As shown in fig. 5: 501 scratch and scrape coating printed on the bottle cap 500 is a printing method considering code structures of an explicit two-dimensional code and an invisible two-dimensional code. In order to prevent the commodities from being stolen and read before sale and simultaneously ensure that the time is not occupied when the consumers scratch the prizes, how to print the commodities on the bottle caps by using the minimum scratch Ink (Scach Ink) is adopted, the scratch Ink is printed near the imaginary datum line of codes of the explicit two-dimensional codes and the invisible two-dimensional codes or near the characteristic marks and characteristic lattices.
In a word, to the code of the dominant two-dimensional code of printing on the bottle lid and stealthy two-dimensional code, in certain extent, the reprint has the disguised coating of scraping, can hide stealthy two-dimensional code information, only scrapes the coating and just can discern stealthy two-dimensional code information, has hidden effect, can prevent the stolen reading of commodity, can also save printing ink in addition.
Not only the method, but also all methods which are established in the method that scratch and scrape coating printing is carried out with the least area, and codes of the explicit two-dimensional code and the invisible two-dimensional code can not be read out, and the method which can prevent the goods from being stolen belong to the scope of the invention.
Fig. 6 is a schematic view showing a sectional structure of a bottle cap printed by the method of the present invention. As shown, 601 is a bottle cap, 602 is a code of an explicit two-dimensional code or an invisible two-dimensional code, 603 is transparent UV ink printing, and 604 is a scratch-off coating. The bottle cap 601 is printed with a code 602 of an explicit two-dimensional code or an invisible two-dimensional code. In order to prevent the bottle cap from being damaged or polluted by mesh points caused by friction with other commodities, goods shelves, walls, boxes and the like or prevent codes from being accidentally scratched during prize scraping, so that a mobile device cannot well read code information of the dominant two-dimensional code or the invisible two-dimensional code, a layer of transparent UV ink 603 is printed on the code of the dominant two-dimensional code or the invisible two-dimensional code printed on the bottle cap made of hard resin material to serve as a protective layer, the bottle cap is endowed with the hardness of 5H which is the same as that of glass, and the code of the dominant two-dimensional code or the invisible two-dimensional code is effectively protected. On top of the protective layer 603, a scratch coat is printed. The scratch and scrape coating layer can be printed on a small part or a large part, or can be completely printed on the code of the explicit two-dimensional code or the invisible two-dimensional code, and the code of the explicit two-dimensional code or the invisible two-dimensional code can be displayed after the scratch and scrape coating layer is scraped, and is identified by using a mobile device.
Fig. 7 is a schematic view of a method of preventing skimming by applying a heat shrink film to the closure.
As shown in fig. 7: a bottle cap (700) of a plastic bottle for drinking water is added with an opaque or incompletely transparent heat-shrinkable film (701) with a certain color, the heat-shrinkable film covers the bottle cap and covers all or part of a code (702) of a visible two-dimensional code or an invisible two-dimensional code, so that a mobile phone cannot be directly read, the heat-shrinkable film on the bottle cap is torn off after a consumer purchases the beverage, or the code value of the visible two-dimensional code or the invisible two-dimensional code can be identified by the mobile phone after the heat-shrinkable film automatically falls off after the bottle cap is opened, and the connection network participates in sales promotion activities.
Fig. 8 is a schematic view of a method for preventing theft and reading by coding the inside of a bottle cap.
As shown in fig. 8: the method comprises the steps of assigning codes (801) of an explicit two-dimensional code or an invisible two-dimensional code in a bottle cap (800) of a plastic bottle for drinking water, assigning codes by a laser, printing on a wafer of a small sealing material, and pressing the small wafer into the bottle cap. The method is used for preventing the explicit two-dimensional code or the invisible two-dimensional code from being stolen and read.
FIG. 9 is a schematic diagram of a method for preventing stolen reading by coding inside a thermal shrinkable label.
As shown in fig. 9: (900) the bottle is a plastic bottle, (901) is a thermal shrinkage mark, and (902) is an explicit two-dimensional code or an invisible two-dimensional code printed in the thermal shrinkage mark. Through the inside at the pyrocondensation sign, the code of printing dominant two-dimensional code or stealthy two-dimensional code, only after the consumer purchased the beverage, tears the pyrocondensation membrane, through the dominant two-dimensional code or the stealthy two-dimensional code of cell-phone discernment printing in pyrocondensation membrane the inside, can realize preventing the stolen effect of reading of commodity.
The code assigning sequence for preventing the code from being stolen and read needs to be reversed, namely, the inside of the transparent heat-shrinkable film is printed with the identification image, then printed with the white background pattern, and finally printed with the code of the explicit two-dimensional code or the invisible two-dimensional code. Because the code of the dominant two-dimensional code or the stealthy two-dimensional code after printing is wrapped in the inside of moulding the bottle, consequently, can play the effect of preventing stolen reading naturally.
FIG. 10 is a schematic illustration of a method of assigning codes within a film.
As shown in fig. 10: (1000) the film is a film schematic diagram in which a mark pattern and an explicit two-dimensional code or an invisible two-dimensional code are assigned, (1001) the film is a film which shows the effect of the mark pattern and the explicit two-dimensional code or the invisible two-dimensional code seen from the front, (1002) the mark image schematic diagram is a mark image schematic diagram printed in the film, wherein the mark image is a mirror-inverted image, (1003) the mark pattern seen from the front, wherein the mark pattern presents a positive image, (1004) the film is a film schematic diagram of the explicit two-dimensional code or the invisible two-dimensional code printed in the film, wherein the image of the explicit two-dimensional code or the invisible two-dimensional code is a mirror-inverted image. (1005) The effect of the dominant two-dimensional code or the invisible two-dimensional code is seen from the front, and the effect of the dominant two-dimensional code or the invisible two-dimensional code is also positive image, so that the mobile phone can read the dominant two-dimensional code or the invisible two-dimensional code.
The purpose of performing the above-described processing is: in order to prevent the apparent two-dimensional code or the invisible two-dimensional code printed on the film from being rubbed off in logistics transportation and various physical reasons such as collision and the like to influence mobile phone identification, the invention provides that the apparent two-dimensional code or the invisible two-dimensional code is printed in the film, the image of the apparent two-dimensional code or the invisible two-dimensional code is subjected to mirror image inversion, the first printing layer printed in the heat-shrinkable film is printed, and the code value of the apparent two-dimensional code or the invisible two-dimensional code can be directly identified through the film.
The code assigning method for the entrance code of the Internet of things provided by the invention has the following characteristics:
the method is characterized in that a code of an explicit two-dimensional code or an invisible two-dimensional code is directly endowed on a coding medium such as a bottle cap, a plastic bottle, a glass medicine bottle, food packaging and the like, a protective layer is added on the surface of the code of the explicit two-dimensional code or the invisible two-dimensional code, and at least one method of a method of scraping a coating or a method of adding a heat shrinkage film and a method of endowing the code of the explicit two-dimensional code or the invisible two-dimensional code in a mark or in a container is adopted to carry out treatment for preventing the code of the explicit two-dimensional code or the invisible two-dimensional code from being stolen and read.
The code of above-mentioned dominant two-dimensional code or stealthy two-dimensional code can read the lug connection network through the cell-phone in the consumer hand, can form the social group that uses commodity as the center, can carry out OTO's network sales, can carry out the lottery draw activity, can carry out at least one network sales function in the commodity advertising.
The method for preventing the code of the explicit two-dimensional code or the invisible two-dimensional code from being stolen and read is a method for minimizing the area of the covered code by considering the structural characteristics of the explicit two-dimensional code or the invisible two-dimensional code.
FIG. 11 is a schematic diagram of a printing sequence of a coding method for preventing stolen reading.
As shown in fig. 11: (1100) the printing machine comprises a bottle cap offset printing machine capable of performing online variable information coding, (1108) a coding medium such as a bottle cap on a printing production line of the offset printing machine, (1101) one color of color offset printing, such as light blue (C), (1102) the other color of the color offset printing, such as pink (M), (1103) one color of the color offset printing, such as yellow (Y), and (1104) one color of the color offset printing, such as black (K). The printing sequence of the code assigning method for printing the code for preventing the code from being read stolen is as follows: the method comprises the steps of firstly printing a mark image on a code-giving medium such as a bottle cap and the like through at least one color of the four colors, then printing a visible two-dimensional code or a invisible two-dimensional code on the mark image, wherein the visible two-dimensional code or the invisible two-dimensional code can be printed by a code-spraying machine or by laser, then printing a protective layer of transparent UV ink on the visible two-dimensional code or the invisible two-dimensional code (1106), and finally printing a scraping coating layer for preventing the code of the visible two-dimensional code or the invisible two-dimensional code from being stolen (1107).
The additional printing of the protective layer is performed by printing with UV curable ink or doctor blade coating, not only by offset printing, but also by screen printing, offset printing, letterpress printing, or gravure printing.
The method for preventing the theft and the reading is not limited to the bottle cap, and can be used as various coding media such as: the invention also discloses a method for endowing a plastic bottle, a glass bottle and other commodity containers with an explicit two-dimensional code or an invisible two-dimensional code, a method for adding a protective layer to the explicit two-dimensional code or the invisible two-dimensional code, or a method for preventing the explicit two-dimensional code or the invisible two-dimensional code from being stolen and read, which belongs to the scope of the invention.
The method for preventing the stolen reading is not only suitable for the resin-shaped packaging container, but also suitable for the paper medium container, the glass-shaped container, the wood-shaped container and the like, and all measures for preventing the stolen reading are taken when all code-endowing media are endowed with the explicit two-dimensional codes or the invisible two-dimensional codes, and the measures are within the scope of the invention.
Printing of variable information has traditionally been accomplished by digital printers. However, in the fast-moving goods industry, the cost of label printing is required to be low, generally, the printing speed is required to be high under 2 cents per label, generally, more than 150m per minute is required, the printing area is required to be large, and the width of a printing medium is generally more than 1 m. It is difficult to satisfy such printing requirements with a conventional digital printer. The invention provides a gravure printing machine which can print variable information on line through a spray head arranged on the gravure printing machine while performing gravure printing.
FIG. 12 is a schematic view of an intaglio online variable information printing system.
As shown in fig. 12: (1200) is an intaglio printing press, (1201) is mounted on the intaglio printing press and is responsible for printing variable information of an explicit two-dimensional code or an invisible two-dimensional code on line of the surface of the printing medium, in this case, the variable information is generally printed in the last color.
(1202) The printing of the variable information of the explicit two-dimensional code or the invisible two-dimensional code is carried out on line in a printing medium arranged on an intaglio printing machine, and in this case, the variable information is generally printed in the first color so as to penetrate to the surface through a transparent film and be identified by a mobile phone on the surface.
(1203) Is a curing device of a UVLED lamp and is used for curing UV printing ink. When the printing medium is a paper medium, water-based ink can be used, so that the curing treatment of a UVLED lamp is not needed.
The printing of the variable information is carried out on line, which is characterized in that: the mark printing and the variable information printing can be completed in one step, the processing working hours and the printing cost are saved, and the mark code integration can be managed conveniently.
The invention provides a code assigning method of gravure online variable information, which is characterized in that: the traditional gravure printing machine is added with a spray head to form an online variable information printing system. The identification image or the packaging image is still printed in a gravure mode, and variable information of the explicit two-dimensional code or the invisible two-dimensional code is realized in a code spraying mode. The marking image or the packaging image and the variable information of the explicit two-dimensional code or the invisible two-dimensional code are carried out on line on the same printing line.
Fig. 13 is a schematic diagram of control of the start position of code spraying by color matching markers.
As shown in fig. 13: (1300) the mark printed on the film by the intaglio printing machine, (1301) is a color matching mark of the intaglio printing machine, and (1302) is a photoelectric sensor, and the color matching mark can be converted into an electric signal to control the start of the spray head, so that the effect of controlling the horizontal position of the sprayed code can be achieved. The code spraying position is controlled by the gravure color matching marks, and the method is characterized in that special marks do not need to be printed, and the matching of gravure colors cannot be hindered.
In order to solve the problem of lateral deviation of a film in gravure printing, it is necessary to control the lateral deviation position of a head.
FIG. 14 is a schematic diagram of a showerhead lateral offset EPC control system.
As shown in fig. 14: (1401) the film offset sensor is generally configured to transmit an offset amount of the film to an offset controller (1402) by using an ultrasonic or laser method, and the offset controller controls a lateral position of the head by a control means such as closed-loop PID adjustment until the offset amount is corrected.
The invention has the advantages that; above-mentioned intaglio carries out the dominant two-dimensional code on line, or the printing of the variable information of stealthy two-dimensional code, not only be fit for the transformation of intaglio press, also be fit for offset press, relief printing, or flexographic printing machine, the printing machine through such transformation is printing variable information sign, or during the packing, can realize printing the identification image, load the variable information of dominant two-dimensional code or stealthy two-dimensional code in the packing image, it is with low costs to have leading-in, the printing efficiency is high, the identification image, the printing precision of packing image is high, can realize characteristics such as a mark code, be suitable for a large amount of popularization.
Claims (6)
1. A code assigning method for an Internet of things entry code is characterized by comprising the following steps:
(1) the variable information printing system is arranged on the gravure printing machine and is responsible for printing variable information of the explicit two-dimensional code or the invisible two-dimensional code on line;
(2) firstly, performing color processing so as to perform mobile phone identification on the surface of the mobile phone through a transparent film;
(3) the color matching marks can be converted into electric signals, and the spray head is controlled to start, so that the effect of controlling the horizontal position of the sprayed code can be achieved;
(4) and transmitting the offset of the film to an offset controller by using an ultrasonic or laser mode, and controlling the transverse position of the spray head by the offset controller through a closed-loop PID (proportion integration differentiation) regulation control means until the offset is corrected.
2. The code assigning method for the entrance code of the internet of things according to claim 1, wherein:
the code of the dominant two-dimensional code or the invisible two-dimensional code can be directly connected with a network through the recognition of a mobile phone in a consumer, so that at least one network selling function of a social group taking commodities as a center, or OTO network selling, lottery activity or commodity advertisement propaganda is formed.
3. The code assigning method for the entrance code of the internet of things according to claim 1, wherein:
the method for preventing the code of the explicit two-dimensional code or the invisible two-dimensional code from being stolen and read is a method for minimizing the area of the covered code by considering the structural characteristics of the explicit two-dimensional code or the invisible two-dimensional code.
4. The code assigning method for the entrance code of the internet of things according to claim 1, wherein:
the printing sequence of the code endowing method for preventing the code from being stolen and read is to print the identification image on the code endowing medium, then to endow the explicit two-dimensional code or the invisible two-dimensional code, then to print the protective layer, and finally to prevent the code of the explicit two-dimensional code or the invisible two-dimensional code from being stolen and read.
5. The code assigning method for the entrance code of the internet of things according to claim 1, wherein:
the code assigning of the explicit two-dimensional code or the invisible two-dimensional code is a printing process which adopts ink jet printing as a characteristic or a code assigning process which adopts a laser mode.
6. The code assigning method for the entrance code of the internet of things according to claim 1, wherein:
the additional printed protective layer is screen printed with UV curable ink, or offset printed, or relief printed, or intaglio printed.
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