WO2017031803A1

WO2017031803A1 - Anti-counterfeit grain crystal, and method and device for manufacturing anti-counterfeit grain crystal

Info

Publication number: WO2017031803A1
Application number: PCT/CN2015/090465
Authority: WO
Inventors: 郑国义
Original assignee: 郑国义
Priority date: 2015-08-25
Filing date: 2015-09-23
Publication date: 2017-03-02
Also published as: CN105235407A

Abstract

An anti-counterfeit grain crystal, and method and device for manufacturing an anti-counterfeit grain crystal. The method comprises the following steps: (1) manufacture product fingerprint members, wherein the product fingerprint members are sheet-like grains or asymmetrical three-dimensional grains having a size of 2-100 micrometers; (2) disperse the product fingerprint members in an adhesive; (3) continuously spray, by a lateral dual-charging barrel adhesive supply system, fully transparent droplets of the adhesive on an object to be marked; (4) perform defective product detection, reject a defective product if a defective product is detected, and extract an acceptable product image feature value if an acceptable product is detected, and perform UV curing thereon. The method has a wide range of application, produces a marked product highly integrated with the dispensed adhesive, and provides higher dispersibility, thus facilitating identification.

Description

Anti-counterfeit particle crystal body, method and device for preparing anti-counterfeit particle crystal body

Technical field

The invention relates to the technical field of anti-counterfeiting, in particular to a crystal of anti-counterfeit particles and a method and a device for preparing crystals of anti-counterfeit particles.

Background technique

For example, the Chinese patent document CN101673341A, hereinafter referred to as the first document, discloses a micro-point anti-counterfeiting method disclosed on March 17, 2010, the method comprising the steps of: (1) providing a micro-dot; (2) providing a glue , mixing the micro-dots in the glue; (3) mixing the micro-point glue on the carrier; (4) curing the glue; (5) taking the photo-dropping glue to form the original contrast picture; (6) storing the original contrast picture Into the back-end database; (7) anti-counterfeit verification photo glue drops, forming a comparison picture; (8) reading the background database original contrast picture, compared with the compared picture, making a true or false judgment; wherein, the step (5) Photographing the glue drops to take a photo of the magnifying glass; the anti-counterfeit verification photo-adhesive tape described in step (7) is also magnified.

For example, the Chinese patent document CN102069061A is referred to as the second document, a method for preparing a micro-point anti-counterfeit coating disclosed on May 25, 2011, a device for carrying out the method, and a package containing the anti-counterfeit coating prepared by the method. body. The preparation method of the micro-point anti-counterfeit coating comprises the following steps: S1, providing micro-dots and providing UV glue; S2, mixing; S3, micro-spraying; S4, curing. The preparation device of the micro-point anti-counterfeit coating comprises a glue storage device, a micro-injection device, a curing device, the glue storage device is connected with the micro-injection device, and the micro-injection device is provided with glue to be sprayed, and the curing device is disposed at the rear end of the micro-injection device, The micro-spraying device further comprises a dosing chamber and a nozzle communicating with the dosing chamber, wherein the dosing chamber is provided with a pressurizing piston; the jetting hole of the nozzle has a diameter of between 1.25 micrometers and 630 micrometers; A driving device for moving the nozzle, the driving device provides the nozzle with two horizontal movements and a vertical movement.

For example, the Chinese patent document CN202711592U is hereinafter referred to as the third document, a logo, a label preparation device and an assembly line disclosed on January 30, 2013.

Although the aforementioned patented technology can be applied in the industry and achieve corresponding technical effects, there is still room for improvement.

The technique disclosed in the first document only discloses the glue mixed with micro-dots on the carrier, and does not show how to realize high-speed automatic dispensing, which is not suitable for high-speed automatic assembly line operation; further, the document does not The shape of the microdots and the number of microdots in each droplet are limited. For the symmetric all micropoints, when the number of microdots in the droplet is less than 5, the position of the microdots and the shape of the self are random. Formed, the visual formation of each micro-dot may be the same, and its marking effect cannot be fully demonstrated.

According to the technique disclosed in the second document, the micro-point anti-counterfeit coating is prepared by quantitative micro-spraying, and even micro-dots can be set in the micro-code characters or patterns, but the glue dots are not formed, and the shape of the micro-dots and each of the micro-dots are not limited. The number of micro-dots in the glue droplets, and then the planar coating is generally flat. In the case where the micro-dots are symmetrical, the marking effect cannot be fully exhibited, and there is little difference from the planar printing.

Although the technology disclosed in the third document is perfect on the basis of the first and second documents, there is still room for improvement:

The materials disclosed in the third document are relatively simple in material application, and the degree of fusion with the colloidal colloid is difficult to adjust and break through. Due to the limitation of the material itself, the microparticle identification degree of the preparation is limited to a certain extent. The choice of Epoxy Crystallization is translucent. Even under the 50x magnifying glass, the user is still not easy to identify. This technology uses a new type of Epoxy crystal. After UV curing, it is almost completely transparent. It is easier to identify for customers. Characteristics. In addition, the technical device disclosed in the third document only claims to be a 1200 can/min tank line, and the technology has upgraded the college colloid valve technology to 500 times/second, which can be adapted to the application requirements of higher speed lines. Finally, the technique disclosed in the third document requires a line stop to feed during the dispensing process of the glue, which increases the downtime of the line.

Summary of the invention

It is an object of the present invention to provide a crystal of an anti-counterfeit particle and a method and apparatus for preparing a crystal of the anti-counterfeit particle.

In order to achieve the above object, the first technical solution provided by the present invention is to provide a method for preparing crystals of anti-counterfeit particles, comprising the following steps:

(1) preparing a product fingerprint body, the product fingerprint body having a size between 2 micrometers and 100 micrometers Tabular particles or asymmetric three-dimensional particles;

(2) Discretization of product fingerprints and colloids;

(3) The side double barrel feeding system continuously breaks the transparent transparent glue droplets to the object to be marked;

(4) If the defective product is detected, it will be removed if it is found to be defective, and if it is a good product, the characteristic image value of the good image will be extracted and UV curing will be performed.

In the step (2), the product fingerprint body is mixed with the uncured and completely transparent colloid and uniformly distributed, and the colloid is a UV varnish.

In the step (3), the colloid is formed into a fully transparent glue droplet by means of surface tension after quantitative spraying, and the full transparent glue droplet contains one or more product fingerprint bodies, and the diameter of the fully transparent glue droplet is between 1 and 6 mm. And the optimal diameter of the fully transparent glue drops is 3 mm.

UV curing is performed by ultraviolet light and the fully transparent glue drops are cured.

The second technical solution provided by the present invention is to provide a crystal of anti-counterfeit particles, including:

a solid transparent glue droplet disposed on the object to be marked, the full transparent glue droplet contains one or more product fingerprint bodies, and the product fingerprint body is randomly distributed in the full transparent glue droplet, and the product fingerprint body has a size of 30 Tabular or microscopic three-dimensional particles between micrometers and 1000 micrometers.

Instead of the UV fully transparent photo-curing gel, a thermosetting solvent-based colloid is used to form a glue droplet according to the material of the product fingerprint.

The third technical solution provided by the present invention is to provide an apparatus for preparing crystals of anti-counterfeit particles, comprising:

An assembly line, the installation line includes: an injection station, a detection station, a curing station, wherein the injection station comprises an industrial computer, a fiber optic sensor, a PLC, a spray valve, and a side double barrel supply system, the PLC and the The industrial control machine is connected, the optical fiber sensor is used to detect whether the marked object enters the injection station, the optical fiber sensor is connected to the PLC, the PLC is connected to the spray valve, and is used for controlling the opening and closing of the spray valve, and the spray valve is also connected with the compressed air source for spraying When the valve is opened, the sprayed object is ejected from the spray needle, and the PLC has a time system for controlling the opening time of the spray valve, thereby controlling the quantitative injection of the sprayed object, the object to be sprayed is a product fingerprint body, and the product fingerprint body is of a size. a sheet-shaped two-dimensional particle or a discrete discrete three-dimensional particle between 30 micrometers and 1000 micrometers, the detection station comprising an online image capture system, the online image capture system being connected to the industrial computer, an online image The grabbing system can use the image recognition system of the online inspection process of the printing machine. The detected image is compared with the standard image for judging whether the injection station is sprayed into a glue drop and whether there is a leak spray, and if so, the pipe is removed by removing the cylinder, and the curing station is a UV light fixture, the curing device It is a UV light curing machine.

The reject cylinder has an angle of 45° to 90° with the marker on the pipeline.

An auxiliary pipeline is further included, which is assembled on the side of the pipeline for recycling the rejected defective products. At the same time, the online image capture system also extracts image feature values of the product fingerprints of the identified objects and sends them. The industrial computer is transmitted to the cloud database by the industrial computer.

The object to be sprayed is a UV oil containing a product fingerprint.

Compared with the prior art, the beneficial effects of the present invention are:

1. The outer diameter of the product fingerprint body is between 30 microns and 1000 microns. The raw materials are more widely used and the application range is wider. Some new materials have higher fusion degree with the colloid, better dispersion and easier identification. .

2. Anti-counterfeit particle crystal fusion colloid from semi-transparent crystal, developed into fully transparent crystal, with better product fingerprint recognition characteristics.

3. In the case that the assembly line is not stopped, the side double barrel supply system can realize the non-stop line feeding to the high-speed assembly line, which greatly reduces the downtime.

4. Efficient gel valve technology upgrade, up to 500 injections per second, can adapt to higher line speed applications.

5. The online image capture system also extracts image feature values of the product fingerprints that meet the requirements of the identified objects and transmits them to the cloud database, which greatly optimizes the detection speed and greatly reduces the load on the database.

The invention will be more apparent from the following description, taken in conjunction with the accompanying drawings.

DRAWINGS

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a flow chart showing the method of preparing crystals of anti-counterfeit particles of the present invention.

2 is a schematic diagram showing the circuit logic structure of the apparatus for preparing crystals of anti-counterfeit particles according to the present invention.

detailed description

Embodiments of the present invention will now be described with reference to the drawings, in which like reference numerals represent like elements. As described above, as shown in FIG. 1, the present invention provides a method of preparing crystals of anti-counterfeit particles, comprising the steps of:

S001 prepares a product fingerprint body, wherein the product fingerprint body is a tabular particle or an asymmetric three-dimensional particle having a size between 30 micrometers and 1000 micrometers, and different particle materials can be selected according to characteristics of the identifier;

S002 product fingerprint body and colloidal discretization;

S003 side double barrel glue supply system sprays the transparent transparent glue droplets to the object to be marked, and the transparent plastic droplets are formed by dispensing or quantitative micro-spraying. The number and position of the product fingerprints in each transparent plastic droplet And the spatial shape of the product fingerprint body is randomly formed, but it is necessary to ensure that the number of product fingerprints in each fully transparent glue drop is greater than or equal to one, and it can control the concentration and material of the fingerprint body in the fully transparent gel body before dispensing or spraying. Way to control;

S004 detects defective products, and removes defective products. If it is good, it extracts good image feature values and performs UV curing to remove the identified objects whose number of fingerprints and specifications are not in compliance with the required transparent transparent droplets. The required product fingerprint image feature value of the identified object is transmitted to the cloud database. It should be understood that in the method, a thermosetting solvent-based colloid may be used instead of the UV photo-solid colloid depending on the material of the product fingerprint body.

In the step (3), the colloid is formed into a fully transparent glue droplet by means of surface tension after quantitative spraying, and the full transparent glue droplet contains one or more product fingerprint bodies, and the diameter of the fully transparent glue droplet is between 1 and 6 mm. And the optimum diameter of the fully transparent glue drops is 3 mm.

a solid transparent gel droplet disposed on the object to be identified, the full transparent glue droplet containing one or more product fingerprint bodies, and the product fingerprint body is randomly distributed in the fully transparent glue droplet, the product fingerprint body is a size Tabular or asymmetrical three-dimensional particles between 30 microns and 1000 microns.

As shown in FIG. 2, the third technical solution provided by the present invention provides: an apparatus for preparing crystals of anti-counterfeit particles, comprising:

An assembly line consisting of: an injection station, a detection station, and a curing station, wherein the injection station includes an industrial computer 1, a fiber optic sensor 2, a PLC (reference numeral 3), a spray valve 4, and a side double barrel for glue System 5, the PLC is connected with the industrial computer 1, the optical fiber sensor 2 is used to detect whether the identified object enters the injection station, the optical fiber sensor 2 is connected to the PLC, and the PLC is connected to the injection valve 4 for controlling the opening and closing of the injection valve The injection valve 4 is also connected with a source of compressed air so that the sprayed object is ejected from the spray needle when the spray valve 4 is opened, and the PLC has a time system for controlling the opening time of the spray valve 4, thereby controlling the quantitative injection of the sprayed object. The object to be sprayed is a product fingerprint body, and the product fingerprint body is a sheet-shaped two-dimensional particle body or a suspended discrete three-dimensional particle having a size between 30 micrometers and 1000 micrometers, and the detecting station includes an online image capturing system 6, The online image capture system 6 is connected to the industrial computer 1 , and the online image capture system 6 can adopt an image recognition system for the online detection process of the printing machine, and the detected image is compared with the standard image for determining whether the injection station is sprayed. to make And whether the drop ejection leakage, if any, is removed by the air cylinder 7 to remove the pipeline, the curing station is a UV-light aircraft, said curing means is a UV curing machine.

In one embodiment, the reject cylinder 7 has an included angle of 45° to 90° with the marker on the line.

In one embodiment, an auxiliary pipeline is further included, which is assembled on the side of the pipeline for recycling the rejected defective products, and the online image capture system 6 also extracts the product fingerprint of the identified object. The image feature value is sent to the industrial computer 1 and transmitted by the industrial computer 1 to the cloud database 8.

In one embodiment, the object being sprayed is a UV oil containing a product fingerprint.

The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, and the equivalent changes made by the scope of the present invention remain within the scope of the present invention.

Claims

A method for preparing crystals of anti-counterfeit particles, comprising the steps of:

(1) preparing a product fingerprint body, wherein the product fingerprint body is a tabular particle or an asymmetric three-dimensional particle having a size between 2 micrometers and 100 micrometers;

(2) Discretization of product fingerprints and colloids;

(3) The side double barrel feeding system continuously breaks the transparent transparent glue droplets to the object to be marked;

(4) If the defective product is detected, it will be removed if it is found to be defective, and if it is a good product, the characteristic image value of the good image will be extracted and UV curing will be performed.
The method for preparing crystals of anti-counterfeit particles according to claim 1, wherein the step (2) is to mix and distribute the product fingerprint body and the uncured fully transparent colloid, and the colloid is a UV varnish.
The method for preparing crystals of anti-counterfeit particles according to claim 1, wherein in the step (3), the colloid is formed into a fully transparent glue droplet by means of surface tension after quantitative spraying, and the transparent transparent droplet comprises one or more products. The fingerprint body, and the diameter of the fully transparent glue droplet is between 1 and 6 mm, and the average diameter of the fully transparent glue droplet is 1.5 mm.
A method of preparing a pseudoparticle crystal according to claim 3, wherein the UV curing is performed by ultraviolet light and the fully transparent droplet is cured.
The invention relates to a crystal of anti-counterfeit particles, which comprises: a cured transparent transparent glue droplet disposed on the object to be marked, the transparent transparent glue droplet comprises one or more product fingerprint bodies, and the product fingerprint body is randomly within the transparent plastic droplet Distribution, the product fingerprint body is a sheet-like particle or an asymmetric three-dimensional particle having a size between 30 micrometers and 1000 micrometers.
The anti-counterfeit particle crystal according to claim 5, which is characterized by a product fingerprint body The quality is different, and the thermosetting solvent-based colloid is used to form the glue droplet instead of the UV full-transparent light-solid colloid.
The device for preparing crystals of anti-counterfeit particles, comprising: a pipeline, the pipeline comprises: an injection station, a detection station and a curing station, wherein the injection station comprises an industrial computer, a fiber optic sensor, a PLC, and a spray The valve and the side double barrel supply system, the PLC is connected with the industrial computer, the fiber sensor is used to detect whether the object is entered into the injection station, the fiber sensor is connected to the PLC, and the PLC is connected to the injection valve for controlling the valve. On and off, the spray valve is also connected to a source of compressed air so that when the spray valve is opened, the sprayed object is ejected from the spray needle, and the PLC has a time system for controlling the opening time of the spray valve, thereby controlling the quantitative injection of the sprayed object. The object to be sprayed is a product fingerprint body, and the product fingerprint body is a sheet-shaped two-dimensional particle body or a suspended discrete three-dimensional particle having a size of between 30 micrometers and 1000 micrometers, and the detecting station includes an online image capturing system. The online image capture system is connected with the industrial computer, and the online image capture system can adopt an image recognition system for online detection of the printing machine, and the detected image and standard image. Comparative injection station for determining whether to jet droplets of glue and spray whether leakage, if any, is removed by a cylinder line to remove, the curing station is a UV-light aircraft, they said curing means is a UV curing machine.
The apparatus for preparing crystals of anti-counterfeit particles according to claim 7, wherein the reject cylinder has an angle of 45 to 90 with the marker on the pipeline.
The apparatus for preparing crystals of anti-counterfeit particles according to claim 7 or 8, further comprising an auxiliary pipeline assembled on a side of the pipeline for recovering the rejected defective products, and simultaneously capturing the online image The system also extracts the image feature value of the product fingerprint body that meets the required identifier, and sends it to the industrial computer, and transmits it to the cloud database by the industrial computer.
The apparatus for preparing a crystal of a pseudo-particle according to claim 7, wherein the object to be sprayed is a UV oil containing a product fingerprint.