CN109759712B - Screen laser processing positioning method and device - Google Patents
Screen laser processing positioning method and device Download PDFInfo
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- CN109759712B CN109759712B CN201910205238.0A CN201910205238A CN109759712B CN 109759712 B CN109759712 B CN 109759712B CN 201910205238 A CN201910205238 A CN 201910205238A CN 109759712 B CN109759712 B CN 109759712B
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Abstract
The invention relates to the technical field of laser processing, and discloses a screen laser processing positioning method and device, which comprise the following steps: fixing the screen main body to a screen processing positioning device; according to the fact that the screen main body is fixed on a screen processing positioning device, a first positioning graph of the screen main body is obtained; taking out the screen main body, horizontally rotating the screen main body by 180 degrees, and acquiring a second positioning graph of the screen main body; judging whether the deviation between the first positioning pattern and the second positioning pattern is less than 0.08 mm; and if the deviation between the first positioning pattern and the second positioning pattern is less than 0.08mm, starting laser processing and scanning the screen. Through the deviation between comparison first location figure and the second location figure, start laser beam machining, sweep the sign indicating number to the screen, improved the precision of laser beam machining location, prevent among the laser beam machining process because of positioning deviation lead to laser direct irradiation to the screen, and then prevent to damage the screen.
Description
Technical Field
The invention relates to the technical field of laser processing, in particular to a screen laser processing positioning method and device.
Background
The laser processing technology is characterized in that the laser processing technology focuses the mechanism by utilizing the characteristic of high power density of the mechanism, so that the processing material is instantly heated, melted and vaporized.
In the screen processing process, the screen main body is fixed on the screen processing positioning device, then the laser emitter arranged on the screen processing positioning device is used for scanning and processing the screen processing positioning device, in the processing process of the method, the screen is positioned inaccurately frequently due to improper operation of workers, and positioning deviation can cause laser to directly irradiate the screen in the laser processing process to damage the screen. The cost of each screen is about 1000 yuan, and the existing production mode can cause huge loss.
Therefore, how to improve the positioning accuracy of the laser processing device becomes an urgent technical problem to be solved.
Disclosure of Invention
The invention aims to solve the technical problem of how to improve the positioning accuracy of a laser processing device.
Therefore, according to a first aspect, the embodiment of the invention discloses a screen laser processing positioning method, which comprises the following steps: fixing the screen main body to a screen processing positioning device; according to the fact that the screen main body is fixed on a screen processing positioning device, a first positioning graph of the screen main body is obtained; taking out the screen main body, horizontally rotating the screen main body by 180 degrees, and acquiring a second positioning graph of the screen main body; judging whether the deviation between the first positioning pattern and the second positioning pattern is less than 0.08 mm; and if the deviation between the first positioning pattern and the second positioning pattern is less than 0.08mm, starting laser processing and scanning the screen.
Optionally, the method further comprises: and if the deviation between the first positioning graph and the second positioning graph is not less than 0.08mm, rotationally positioning the screen main body again.
Optionally, the obtaining the first positioning pattern of the screen main body according to the fact that the screen main body is fixed to the screen processing positioning device includes: and fixing a positioning reference plate at the central position of the screen main body, positioning the middle point of the screen main body by the screen processing positioning device according to the four sides of the screen main body, and recording the corresponding graph on the positioning reference plate.
Optionally, the taking out and horizontally rotating the screen body by 180 ° to obtain the second positioning graph of the screen body includes: and fixing a positioning reference plate at the central position of the screen main body after the screen main body rotates horizontally by 180 degrees, positioning the middle point of the screen main body by the screen processing positioning device according to the four edges of the screen main body, and recording the corresponding graph on the positioning reference plate.
Optionally, the screen body is concentric with the screen body after being horizontally rotated by 180 °.
According to a second aspect, an embodiment of the present invention discloses a screen laser processing positioning device, including: the screen processing positioning device is used for fixing the screen main body; the screen processing positioning device is provided with a laser emitter for laser processing; and the positioning reference plate is arranged on the screen main body and used for marking the positioning graph of the screen main body.
Optionally, the screen processing and positioning device is fixedly connected with the screen main body.
Optionally, the positioning reference plate is detachably connected to the screen main body.
The invention has the following beneficial effects: according to the first positioning figure of location reference board record screen main part, then with screen main part and location reference board horizontal rotation 180, reuse location reference board record screen main part's second positioning figure, the deviation between first positioning figure and the second positioning figure of comparison starts laser beam machining, sweeps the sign indicating number to the screen, has improved the precision of laser beam machining location, prevents to lead to laser direct irradiation to the screen because of positioning deviation among the laser beam machining process, and then prevents to damage the screen.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic flow chart of a positioning method for laser processing of a screen according to the present disclosure;
FIG. 2 is a schematic structural diagram of a positioning device for screen laser processing according to the present disclosure;
fig. 3 is a schematic structural diagram of a screen main body of the positioning device for screen laser processing according to the present embodiment after rotation.
Reference numerals: s100 to S150; 200. a screen processing positioning device; 300. positioning a reference plate; 400. a screen main body.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The embodiment of the invention discloses a screen laser processing positioning method, which comprises the following steps as shown in figure 1:
step S100, fixing the screen body 400 on the screen processing positioning device 200;
step S110, fixing the screen body 400 to the screen processing positioning device 200, and obtaining a first positioning pattern of the screen body 400;
step S120, taking out the screen main body 400, horizontally rotating the screen main body by 180 degrees, and acquiring a second positioning graph of the screen main body 400;
step S130, judging whether the deviation between the first positioning pattern and the second positioning pattern is less than 0.08 mm; in a specific embodiment, the first positioning pattern and the second positioning pattern are preferably quadrilateral;
and step S140, if the deviation between the first positioning graph and the second positioning graph is less than 0.08mm, starting laser processing and scanning the screen.
Further comprising: step S150: if the deviation between the first and second positioning patterns is not less than 0.08mm, the screen body 400 is again rotationally positioned.
According to the first location figure of location reference board 300 record screen main part 400, then with screen main part 400 and location reference board 300 horizontal rotation 180, reuse location reference board 300 records the second location figure of screen main part 400, compare the deviation between first location figure and the second location figure, start laser beam machining, sweep the sign indicating number to the screen, the precision of laser beam machining location has been improved, prevent to lead to laser direct irradiation to the screen because of positioning deviation among the laser beam machining process, and then prevent to damage the screen.
In a specific embodiment, step S110 includes: the positioning reference plate 300 is fixed at the center of the screen body 400, and the screen processing positioning device 200 positions the middle point of the screen body 400 according to the four sides of the screen body 400 and records the corresponding graph on the positioning reference plate 300.
In a specific embodiment, step S120 includes: the positioning reference plate 300 is fixed at the center of the screen body 400 after being horizontally rotated by 180 °, and the screen processing positioning device 200 positions the middle point of the screen body 400 according to the four sides of the screen body 400 and records the corresponding graph on the positioning reference plate 300.
In a specific embodiment, step S120 further includes: the screen body 400 is concentric with the screen body 400 horizontally rotated by 180 °.
As shown in fig. 2 and fig. 3, an embodiment of the present invention discloses a positioning device for screen laser processing, including: a screen processing positioning device 200 for fixing the screen main body 400; a laser emitter for laser processing is arranged on the screen processing positioning device 200; the positioning reference plate 300 is disposed on the screen body 400 and used for marking a positioning pattern of the screen body 400.
As shown in fig. 2 and 3, the screen processing positioning device 200 is fixedly connected to the screen main body 400. In an embodiment, the screen processing positioning device 200 and the screen main body 400 may be fixedly connected by bolts or screws.
As shown in fig. 2 and 3, the positioning reference plate 300 is detachably connected to the screen main body 400. In an embodiment, the positioning reference plate 300 and the screen body 400 may be bonded or may be snap-fitted.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (7)
1. A screen laser processing positioning method is characterized by comprising the following steps:
fixing the screen main body to a screen processing positioning device;
according to the fact that the screen main body is fixed on a screen processing positioning device, a first positioning graph of the screen main body is obtained;
taking out the screen main body, horizontally rotating the screen main body by 180 degrees, and acquiring a second positioning graph of the screen main body; fixing a positioning reference plate at the central position of the screen main body after the screen main body rotates horizontally by 180 degrees, positioning the middle point of the screen main body by the screen processing positioning device according to four edges of the screen main body, and recording corresponding graphs on the positioning reference plate;
judging whether the deviation between the first positioning pattern and the second positioning pattern is less than 0.08 mm;
and if the deviation between the first positioning pattern and the second positioning pattern is less than 0.08mm, starting laser processing and scanning the screen.
2. The screen laser processing positioning method of claim 1, further comprising:
and if the deviation between the first positioning graph and the second positioning graph is not less than 0.08mm, rotationally positioning the screen main body again.
3. The method for positioning laser processing on a screen according to claim 1, wherein the step of obtaining the first positioning pattern of the screen body according to the fact that the screen body is fixed on the positioning device for processing on the screen comprises:
and fixing a positioning reference plate at the central position of the screen main body, positioning the middle point of the screen main body by the screen processing positioning device according to the four sides of the screen main body, and recording the corresponding graph on the positioning reference plate.
4. The screen laser processing positioning method of claim 1, wherein the screen body is concentric with the screen body after being horizontally rotated by 180 °.
5. A screen laser processing positioning device of the screen laser processing positioning method according to claim 1, comprising:
the screen processing positioning device is used for fixing the screen main body; the screen processing positioning device is provided with a laser emitter for laser processing;
and the positioning reference plate is arranged on the screen main body and used for marking the positioning graph of the screen main body.
6. The screen laser processing positioning device of claim 5, wherein the screen processing positioning device is fixedly connected with the screen body.
7. The screen laser processing positioning device of claim 5, wherein the positioning reference plate is removably attached to the screen body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910205238.0A CN109759712B (en) | 2019-03-18 | 2019-03-18 | Screen laser processing positioning method and device |
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| CN201910205238.0A CN109759712B (en) | 2019-03-18 | 2019-03-18 | Screen laser processing positioning method and device |
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| CN109759712B true CN109759712B (en) | 2020-12-08 |
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Address after: 518000 Room 601, 214 Niucheng Road, Niucheng village, Baimang community, Xili street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN JINGSEN LASER TECHNOLOGY Co.,Ltd. Address before: 518000 area J, s and Z, 4th floor, B / F, xijunxiangda building, Zhongshan Garden Road, Tongle village, Nanshan street, Nanshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN JINGSEN LASER TECHNOLOGY Co.,Ltd. |
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