CN211516396U - Device for laser two-dimensional code printing on comprehensive screen - Google Patents
Device for laser two-dimensional code printing on comprehensive screen Download PDFInfo
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- CN211516396U CN211516396U CN201921165282.5U CN201921165282U CN211516396U CN 211516396 U CN211516396 U CN 211516396U CN 201921165282 U CN201921165282 U CN 201921165282U CN 211516396 U CN211516396 U CN 211516396U
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- dimensional code
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Abstract
The utility model provides a device of two-dimensional code is beaten at comprehensive screen to laser, the device includes laser instrument, beam expander mirror, scanning mirror, field lens and with the scanning mirror motion control that shakes that matches, the comprehensive screen of waiting to print the two-dimensional code is located the laser beam output of field lens, the laser beam that the laser instrument sent passes through in proper order the beam expander mirror the scanning mirror that shakes the field lens gathering is to waiting to print the full face of two-dimensional code on the screen, the scanning mirror that shakes with mirror motion control connects, mirror motion control that shakes is used for controlling the scanning parameter of the scanning mirror that shakes to print out the two-dimensional code pattern that needs on the full face screen. The utility model provides a pair of brand-new two-dimensional code printing device carries out the two-dimensional code through laser and beats the sign indicating number, shakes mirror and field lens through beam expanding lens, scanning, and the photomechanical diameter that comes out with the laser is very little focus facula, can be under the figure condition of appointed sign indicating number like this, and is littleer to the two-dimensional code, satisfies the market demand.
Description
Technical Field
The utility model relates to a two-dimensional code printing field, concretely relates to device of two-dimensional code is beaten at comprehensive screen to laser.
Background
Before the laser is not adopted to carry out overall screen two-dimensional code marking, in order to track the product flow of a single chip, the two-dimensional code is generally marked by adopting a spraying or printing mode, the two-dimensional code of the mode is large in size, the single side exceeds 0.5mm, the two-dimensional code is printed at the position of one layer of liquid crystal glass close to a circuit area, the smaller the code is, the larger the design space of a side circuit is, and therefore how to reduce the two-dimensional code is the consistent requirement of each large liquid crystal panel factory.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the invention provides a brand-new two-dimensional code printing device, which is used for printing a two-dimensional code on a comprehensive screen through laser, so that the two-dimensional code is made smaller, and the market demand is met, and the technical scheme is as follows:
the utility model provides a device of two-dimensional code is beaten at comprehensive screen to laser, the device includes laser instrument, beam expanding lens, scanning mirror and the field lens of shaking, waits that the comprehensive screen of printing the two-dimensional code is located the laser beam output of field lens, the laser beam that the laser instrument sent passes through in proper order the beam expanding lens the scanning mirror that shakes the field lens gathers to waiting to print on the full face screen of two-dimensional code.
Furthermore, the device also comprises a first reflector, a second reflector and a third reflector, wherein laser beams emitted by the laser are incident to the beam expanding lens through the first reflector, and laser beams emitted by the beam expanding lens are incident to the third reflector through the second reflector and then incident to the scanning galvanometer through the third reflector.
Further, the device still includes motion platform, motion platform is located the laser beam output of field lens, waits to print the comprehensive screen of two-dimensional code install in motion platform is last, drive through motion platform and wait to print the comprehensive screen of two-dimensional code for the field lens removes to the position of adjustment comprehensive screen.
Further, the device still includes the CCD camera, waits that the comprehensive screen of printing the two-dimensional code is located in the visual field of CCD camera, the CCD camera is used for gathering the image of waiting to print the full screen of two-dimensional code, through visual positioning, judges whether the two-dimensional code on the full screen prints the position and is located laser beam machining position to make the accurate two-dimensional code that prints on the comprehensive screen of laser print the position.
Further, the laser is a laser with a wavelength of 355nm in an ultraviolet band.
Further, the beam expander is an eight-fold beam expander.
Further, the device still includes the mirror motion control ware that shakes with the supporting mirror that shakes of scanning mirror, the scanning mirror that shakes with mirror motion control ware is connected shakes, mirror motion control ware that shakes is used for controlling the scanning parameter that the mirror shakes of scanning to print out the two-dimensional code pattern that needs on the full screen.
The utility model discloses following beneficial effect has:
the overall size of the two-dimensional code in the prior art is generally 500-800 um, the size of a single point of the two-dimensional code exceeds 20um, the roundness of the point is not very good, and the situation of trailing exists.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a structural diagram of an apparatus for laser two-dimensional code printing on a full screen according to an embodiment of the present invention.
Description of reference numerals: 1. the laser device comprises a laser device, 2 a beam expander, 3 a galvanometer, 4 a field lens, 5 a comprehensive screen, 6 a motion platform, 7 a first reflector, 8 a second reflector, 9 a third reflector, 10 a CCD camera, 11 and laser beams.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, the device for laser two-dimensional code printing on a full-face screen 5 provided by the embodiment of the present invention includes a laser 1, a beam expander 2, a scanning galvanometer 3, and a field lens 4, the full-face screen 5 on which a two-dimensional code is to be printed is located at an output end of a laser beam 11 of the field lens 4, and the laser beam 11 emitted by the laser 1 is sequentially collected onto the full-face screen 5 on which the two-dimensional code is to be printed through the beam expander 2, the scanning galvanometer 3, and the field lens 4.
Preferably, the device further comprises a first reflective mirror 7, a second reflective mirror 8 and a third reflective mirror 9, wherein a laser beam 11 emitted by the laser 1 is incident to the beam expander 2 through the first reflective mirror 7, and the laser beam 11 emitted by the beam expander 2 is incident to the third reflective mirror 9 through the second reflective mirror 8, and then is incident to the scanning galvanometer 3 through the third reflective mirror 9.
In order to obtain smaller light spots, the wave band of the selected laser 1 is shorter in wavelength, the laser 1 is an ultraviolet wave band laser with the wavelength of 355nm, and the requirement on the power of the laser 1 is not high due to the fact that the material of the full-face screen is sensitive to light, and the requirement can be met by the laser 1 with low power. In order to focus light spots from the laser 1 to be very small, the light spots at the outlet must be expanded properly and then gathered, the beam expander 2 is preferably an eight-time beam expander 2, the multiple is larger than the focused light spot, the energy of the focused light spot is not enough, the point of the focused light spot is out of round, the focused light spot cannot be focused so small if the multiple is smaller than the focused light spot, and the field lens 4 adopts a small-amplitude field lens 4 with a shorter processing height, so that the size of the focused light spot can be reduced as much as possible.
Preferably, the device still includes motion platform 6, motion platform 6 is located the 11 output ends of laser beam of field lens 4, waits to print the comprehensive screen 5 of two-dimensional code install in on motion platform 6, drive through motion platform 6 and wait to print the comprehensive screen 5 of two-dimensional code for field lens 4 removes to the position of adjustment full screen 5 lets full screen 5 remove the position of laser processing point.
Preferably, the device still includes CCD camera 10, waits that the comprehensive screen 5 of printing the two-dimensional code is located in the visual field of CCD camera 10, CCD camera 10 is used for gathering the image of waiting to print the comprehensive screen 5 of two-dimensional code, through visual positioning, judges whether the two-dimensional code printing position on the whole screen 5 is located laser processing position to make the laser accuracy print the two-dimensional code printing position on the comprehensive screen 5.
Preferably, the device further comprises a galvanometer motion controller matched with the scanning galvanometer 3, the scanning galvanometer 3 is connected with the galvanometer motion controller, and the galvanometer motion controller is used for controlling scanning parameters of the scanning galvanometer 3 so as to print a needed two-dimensional code pattern on the full-face screen 5.
The overall size of the two-dimensional code in the prior art is generally 500-800 um, the size of a single point of the two-dimensional code exceeds 20um, the roundness of the point is not very good, and the trailing condition exists.
It should be noted that the claimed solution of the present invention is to select and connect various hardware devices, and those skilled in the art can obtain the corresponding program without objection when learning the hardware solution of the present invention, so that the improvement of the program is not involved in the claimed solution of the present invention.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (6)
1. A device for printing a two-dimensional code on a full-face screen by laser is characterized by comprising a laser, a beam expander, a scanning galvanometer, a field lens and a motion platform, wherein the full-face screen to be printed with the two-dimensional code is positioned at the laser beam output end of the field lens, and a laser beam emitted by the laser is sequentially collected to the full-face screen to be printed with the two-dimensional code through the beam expander, the scanning galvanometer and the field lens; the motion platform is located the laser beam output end of the field lens, the comprehensive screen to be printed with the two-dimensional code is installed on the motion platform, and the motion platform drives the comprehensive screen to be printed with the two-dimensional code to move relative to the field lens, so that the position of the whole screen is adjusted.
2. The device for laser two-dimensional code printing on the full-face screen according to claim 1, further comprising a first reflector, a second reflector and a third reflector, wherein the laser beam emitted by the laser is incident to the beam expander through the first reflector, and the laser beam emitted by the beam expander is incident to the third reflector through the second reflector and then incident to the scanning galvanometer through the third reflector.
3. The device for printing the two-dimensional code on the overall screen by the laser according to claim 1, further comprising a CCD camera, wherein the overall screen to be printed with the two-dimensional code is located in a view field of the CCD camera, the CCD camera is used for collecting an image of the overall screen to be printed with the two-dimensional code, and whether the two-dimensional code printing position on the overall screen is located at a laser processing position is judged through visual positioning, so that the laser can accurately print the two-dimensional code printing position on the overall screen.
4. The device for laser full-screen printing of the two-dimensional code according to claim 1, wherein the laser is a laser in an ultraviolet band with a wavelength of 355 nm.
5. The device for laser two-dimensional code printing on the whole screen according to claim 1, wherein the beam expander is an eight-fold beam expander.
6. The device for laser two-dimensional code printing on the whole screen according to claim 1, further comprising a galvanometer motion controller matched with the scanning galvanometer, wherein the scanning galvanometer is connected with the galvanometer motion controller, and the galvanometer motion controller is used for controlling scanning parameters of the scanning galvanometer so as to print a required two-dimensional code pattern on the whole screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921165282.5U CN211516396U (en) | 2019-07-24 | 2019-07-24 | Device for laser two-dimensional code printing on comprehensive screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921165282.5U CN211516396U (en) | 2019-07-24 | 2019-07-24 | Device for laser two-dimensional code printing on comprehensive screen |
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| Publication Number | Publication Date |
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| CN211516396U true CN211516396U (en) | 2020-09-18 |
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| CN201921165282.5U Active CN211516396U (en) | 2019-07-24 | 2019-07-24 | Device for laser two-dimensional code printing on comprehensive screen |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113376225A (en) * | 2021-01-20 | 2021-09-10 | 中国科学技术大学 | High-resolution imaging device for nano material and imaging analysis method thereof |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113376225A (en) * | 2021-01-20 | 2021-09-10 | 中国科学技术大学 | High-resolution imaging device for nano material and imaging analysis method thereof |
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