CN213702210U - Marking device of three-dimensional sign indicating number based on well depth - Google Patents
Marking device of three-dimensional sign indicating number based on well depth Download PDFInfo
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- CN213702210U CN213702210U CN202022292328.9U CN202022292328U CN213702210U CN 213702210 U CN213702210 U CN 213702210U CN 202022292328 U CN202022292328 U CN 202022292328U CN 213702210 U CN213702210 U CN 213702210U
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Abstract
The utility model relates to a device is carved to mark of three-dimensional code based on well depth, the optical gate has been arranged in proper order on the super fast laser instrument output light path of optic fibre, the attenuator, 1/4 slide and the mirror that shakes, the mirror output light path that shakes is just to the machined product on the transfer system, 3D copolymerization burnt microscope is towards the machined product on the transfer system, motion control unit and the super fast laser instrument control connection of optic fibre, control laser parameter, motion control unit and 3D copolymerization burnt microscope control connection, control 3D copolymerization burnt microscope motion, motion control unit inserts to the computer. The marking position is selected according to the product structure, the optical fiber ultrafast laser generates ultrashort pulse laser to process the three-dimensional code, the well depth of the three-dimensional code is obtained, the identification of the three-dimensional code is achieved, the motion control unit controls the optical fiber ultrafast laser to mark the position of the three-dimensional code dot, after marking, the 3D confocal microscope recognizes, and the motion control unit controls the optical fiber ultrafast laser to mark the well depth of the three-dimensional code dot.
Description
Technical Field
The utility model relates to a device is carved to mark of three-dimensional sign indicating number based on well depth.
Background
In recent years, with the rapid development of economy, in order to prevent counterfeit and shoddy products from appearing on the market, an anti-counterfeiting technology is required to be used for stopping the counterfeiting, and the main anti-counterfeiting identification technologies adopted on the market at present comprise two-dimensional code anti-counterfeiting identification, fluorescent anti-counterfeiting identification, temperature-change anti-counterfeiting identification, texture anti-counterfeiting identification, laser anti-counterfeiting identification and the like. The prior anti-counterfeiting technology has the problems of easy counterfeiting, insufficient anti-counterfeiting information and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art existence, provide a device is carved to mark of three-dimensional sign indicating number based on well depth.
The purpose of the utility model is realized through the following technical scheme:
three-dimensional sign indicating number's mark device based on well depth, the characteristics are: the optical gate, the attenuator, 1/4 slide and the mirror that shakes have arranged in proper order on the super fast laser instrument output light path of optic fibre, the output light path of the mirror that shakes is just to the product processed on the conveying system, 3D confocal microscope is towards the product processed on the conveying system, motion control unit and super fast laser instrument control connection of optic fibre, the parameter of control laser, motion control unit and 3D confocal microscope control connection, control 3D confocal microscope's motion, motion control unit inserts to the computer.
Furthermore, in the marking device for the three-dimensional code based on the well depth, the motion control unit comprises an optical fiber laser marking control card and a two-axis motion control card, the optical fiber laser marking control card is a gold orange PCIE optical fiber card, and the two-axis motion control card is a DMC2210 two-axis motion control card.
Further, the marking device based on the three-dimensional code of the well depth comprises a conveying system and a laser marking system, wherein the conveying system comprises a driving roller and a driven roller which are arranged in parallel, the conveying belt is tensioned on the driving roller and the driven roller, and the stepping motor is in transmission connection with the driving roller and drives the conveying belt to run in a reciprocating mode, so that the conveying and the laser marking are synchronous.
Further, the marking device based on the three-dimensional code of the well depth is characterized in that the computer and the motion control unit are in communication connection with the cloud platform, the computer sends ultrafast laser processing parameter signals to the motion control unit, the motion control unit sends PWM signals for regulating and controlling laser power, scanning speed, scanning times and focus position of the fiber ultrafast laser to the fiber ultrafast laser, and sends laser gate signals for controlling the fiber ultrafast laser to be turned on or turned off to the fiber ultrafast laser.
Compared with the prior art, the utility model have apparent advantage and beneficial effect, the concrete aspect that embodies is in following:
firstly, the utility model utilizes the ultrafast laser to precisely etch out the three-dimensional information code based on the well depth on the product, and simultaneously can combine the laser parameter and the three-dimensional code shape as the basis of anti-counterfeiting identification;
round dots in the three-dimensional code based on the well depth have the well depth, and the common printing and mechanical impressing method cannot be realized, the utility model discloses realize the etching of the three-dimensional code well depth, the cold processing performance and the ultrashort pulse width of ultrafast laser, realize the accurate marking of three-dimensional code round dots;
the anti-counterfeiting industry is difficult to avoid illegal merchants collecting old packing boxes for secondary counterfeit sales, and the anti-counterfeiting problem of products can be solved by adopting the three-dimensional code based on the well depth and processed by ultrafast laser precise etching, and the three-dimensional code is difficult to copy due to the precise etching technology of the ultrafast laser;
the utility model has the advantages of simple structure and convenient operation, and can directly mark the three-dimensional code based on the well depth on the product, thereby being beautiful and environment-friendly.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims thereof.
Drawings
FIG. 1: a schematic plan view of a three-dimensional code based on well depth;
FIG. 2: a cross-sectional schematic of a three-dimensional code based on well depth;
FIG. 3: the structure schematic diagram of the marking device of the utility model;
FIG. 4: the structure of the transmission system is shown schematically.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, specific embodiments will now be described in detail.
As shown in fig. 1 and 2, based on the three-dimensional information code of the well depth, dots 102 are irregularly distributed in a graph 101, the dots 102 are in a well depth structure 103 with different depths, the dot irregular distribution of the dots is in a dot matrix distribution in the X, Y direction, two-dimensional information data is recorded in the X, Y direction, and the dots with different well depths record one-dimensional (Z-dimensional) information data, so that the three-dimensional information code records information data of three elements in the three-dimensional direction.
The diameter of the dot 102 is 0.5-1 mm, and the depth of the dot is 0-0.2 mm. The different dot depths can be the same or different, and the diameter of each dot in the three-dimensional code is the same; each three-dimensional code is formed by a lattice distribution mode, and the lattice distribution mode can contain larger information amount than matrix distribution mode in the same area.
As shown in fig. 3 and 4, in the marking device based on the three-dimensional code of the well depth, an optical gate 5, an attenuator 6, an 1/4 slide 7 and a vibrating mirror 8 are sequentially arranged on an output light path of an optical fiber ultrafast laser 4, an output light path of the vibrating mirror 8 is right opposite to a processed product 9 on a conveying system 10, a 3D confocal microscope 3 faces the processed product 9 on the conveying system 10, a motion control unit 2 is in control connection with the optical fiber ultrafast laser 4 to control parameters of laser, the motion control unit 2 is in control connection with the 3D confocal microscope 3 to control the motion of the 3D confocal microscope 3, and the motion control unit 2 is connected to a computer 1.
The motion control unit 2 comprises an optical fiber laser marking control card and a two-axis motion control card, wherein the optical fiber laser marking control card is a gold orange PCIE optical fiber card, laser is output by adopting a DB25 socket, and the two-axis motion control card is a DMC2210 two-axis motion control card.
The conveying system 10 comprises a driving roller and a driven roller which are arranged in parallel, a conveying belt 11 is tensioned on the driving roller and the driven roller, and a stepping motor 12 is in transmission connection with the driving roller and drives the conveying belt 11 to run in a reciprocating mode so that conveying and laser marking are synchronous.
The computer 1 and the motion control unit 2 are in communication connection with the cloud platform, the computer 1 sends ultrafast laser processing parameters to the motion control unit 2, the motion control unit 2 sends out PWM signals to regulate and control the laser power, the scanning speed, the scanning times and the focus position of the optical fiber ultrafast laser 4, and sends out laser gate signals to control the on or off of the optical fiber ultrafast laser 4.
When the method is applied specifically, a three-dimensional code based on the well depth and used for generating product information is designed and edited, and the marking position of a product is determined; uploading the graphic sample of the three-dimensional code, the positions of the circular points in the graphic and the well depth information of the circular points to a computer 1; the computer 1 stores processing parameters corresponding to the well depth of the dots, and when the well depth of the three-dimensional code is matched, the computer sends the corresponding processing parameters to the motion control unit 2 for further processing; the computer 1 sends a processing parameter signal of the ultrafast laser marking three-dimensional code to the motion control unit 2, wherein the processing parameter signal comprises signals of laser power, scanning speed, scanning times and focus position; the motion control unit 2 controls the laser power, the scanning speed, the scanning times and the focal position of the optical fiber ultrafast laser 4, and the motion control unit 2 controls the motion of the 3D confocal microscope 3 to mark the position of the three-dimensional code dot; after marking the three-dimensional code dot position, the 3D confocal microscope 3 identifies the dot position, then marks the dot well depth, and the motion control unit 2 adjusts the laser power of the optical fiber ultrafast laser 4, increases the scanning times, lowers the focus position to mark the well depth, thereby realizing the three-dimensional code precise marking based on the well depth.
According to the structure of a product, a marking position is selected, the optical fiber ultrafast laser 4 generates ultrashort pulse laser to process a three-dimensional code to obtain the well depth of the three-dimensional code, the three-dimensional code is marked, the motion control unit 2 controls the optical fiber ultrafast laser 4 to mark the position of a dot of the three-dimensional code, after marking, the 3D confocal microscope 3 recognizes, and the motion control unit 2 controls the optical fiber ultrafast laser 4 to mark the well depth of the dot of the three-dimensional code; the optical fiber ultrafast laser 4 outputs light beams, the optical gate 5 controls the laser irradiation time, the expanded laser beams pass through the attenuators 6 and the 1/4 glass slide 7, the attenuators 6 control the laser power, the 1/4 glass slide 7 changes the polarization direction of the laser, the linear polarization of the laser beams is converted into the circular polarization, the roundness of light spots is improved, then the laser beams are transmitted to the vibrating mirror 8, the focused light spots are formed through the vibrating mirror 8, the processed product 9 is processed, and the three-dimensional confocal imaging module 3 acquires images after the processing is completed.
Dot has the well depth degree in the three-dimensional sign indicating number based on the well depth, and general printing and mechanical impression method can't realize, the utility model discloses realize the sculpture of three-dimensional sign indicating number well depth degree, ultrafast laser's cold working performance and ultrashort pulse width realize that the precision of three-dimensional sign indicating number dot is carved.
The anti-counterfeiting industry is difficult to avoid illegal merchants collecting old packing boxes for secondary counterfeit sales, the anti-counterfeiting problem of products can be solved by adopting the three-dimensional code based on the well depth and processed by ultrafast laser precise etching, and the three-dimensional code is difficult to copy due to the precise etching technology of the ultrafast laser.
The utility model discloses the device structure is succinct, convenient operation, will be based on the direct sign of three-dimensional sign of well depth on the product, pleasing to the eye and environmental protection.
It should be noted that: the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention; while the invention has been described with reference to exemplary embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. Three-dimensional sign indicating number's mark device based on well depth, its characterized in that: optical gates (5), attenuators (6), 1/4 slide (7) and galvanometer (8) have been arranged in proper order on optic fibre ultrafast laser (4) output light path, the output light path of galvanometer (8) is just being to by processing product (9) on transmission system (10), 3D confocal microscope (3) are towards by processing product (9) on transmission system (10), motion control unit (2) and optic fibre ultrafast laser (4) control connection, the parameter of control laser, motion control unit (2) and 3D confocal microscope (3) control connection, the motion of control 3D confocal microscope (3), motion control unit (2) access to computer (1).
2. The marking device of the three-dimensional code based on the well depth as claimed in claim 1, wherein: the motion control unit (2) comprises an optical fiber laser marking control card and a two-axis motion control card, wherein the optical fiber laser marking control card is a gold orange PCIE optical fiber card, and the two-axis motion control card is a DMC2210 two-axis motion control card.
3. The marking device of the three-dimensional code based on the well depth as claimed in claim 1, wherein: the conveying system (10) comprises a driving roller and a driven roller which are arranged in parallel, a conveying belt (11) is tensioned on the driving roller and the driven roller, and a stepping motor (12) is in transmission connection with the driving roller and drives the conveying belt (11) to run in a reciprocating mode.
4. The marking device of the three-dimensional code based on the well depth as claimed in claim 1, wherein: computer (1) and motion control unit (2) are connected with the cloud platform communication, and computer (1) sends ultrafast laser processing parameter signal to motion control unit (2), and motion control unit (2) send the PWM signal of the laser power of regulation and control optic fibre ultrafast laser (4), scanning speed, scanning number of times, focus position to optic fibre ultrafast laser (4), send the laser gate signal that control optic fibre ultrafast laser (4) open or close to optic fibre ultrafast laser (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022292328.9U CN213702210U (en) | 2020-10-15 | 2020-10-15 | Marking device of three-dimensional sign indicating number based on well depth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022292328.9U CN213702210U (en) | 2020-10-15 | 2020-10-15 | Marking device of three-dimensional sign indicating number based on well depth |
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| Publication Number | Publication Date |
|---|---|
| CN213702210U true CN213702210U (en) | 2021-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022292328.9U Active CN213702210U (en) | 2020-10-15 | 2020-10-15 | Marking device of three-dimensional sign indicating number based on well depth |
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| Country | Link |
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| CN (1) | CN213702210U (en) |
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- 2020-10-15 CN CN202022292328.9U patent/CN213702210U/en active Active
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