CN210937675U - Laser marking correction system - Google Patents
Laser marking correction system Download PDFInfo
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- CN210937675U CN210937675U CN201921738925.0U CN201921738925U CN210937675U CN 210937675 U CN210937675 U CN 210937675U CN 201921738925 U CN201921738925 U CN 201921738925U CN 210937675 U CN210937675 U CN 210937675U
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- 238000010330 laser marking Methods 0.000 title claims abstract description 40
- 238000012937 correction Methods 0.000 title claims abstract description 20
- 238000012545 processing Methods 0.000 claims abstract description 41
- 230000003287 optical effect Effects 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims abstract description 4
- 230000009471 action Effects 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 8
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a laser marking correction system, include: the laser scanning device comprises a semi-reflecting and semi-transparent mirror, a camera, a laser, a scanning vibrating mirror, a driving device, a processing terminal, a flat field focusing lens and a workbench, wherein the processing terminal is respectively in communication connection with the camera and the driving device, laser generated by the laser enters the scanning vibrating mirror, the scanning vibrating mirror outputs the laser to the flat field focusing lens, the flat field focusing lens focuses the laser on a table board of the workbench through transmission of the semi-reflecting and semi-transparent mirror, the camera is used for receiving optical signals reflected by the semi-reflecting and semi-transparent mirror and converting the optical signals into image signals to be transmitted to the processing terminal, the processing terminal controls the driving device according to the image signals, and the driving device is used for driving the scanning vibrating mirror to execute actions. The camera obtains the image of the marking object on the workbench, and the image is processed by the processing terminal, so that the scanning galvanometer is controlled to adjust the light path of the laser, and the laser beam is corrected in the laser marking process. The laser marking method is mainly used for the technical field of laser marking.
Description
Technical Field
The utility model relates to a laser marking technical field, in particular to laser marking correction system.
Background
Laser marking is that a laser generator emits continuous high-energy laser beams, and the laser beams are focused on the surface of a marked article to cause the physical change or chemical change of the surface of the article to leave a permanent mark. The laser marking technology is a novel processing technology developed after a large amount of laser technologies such as laser cutting, laser drilling, laser heat treatment, laser drilling and the like are applied, and is a novel marking technology which is non-contact, pollution-free and wide in application range. In the field of laser processing, the laser marking technology is the most widely used laser processing technology at present. With the rapid development of computer technology in recent years, the optical devices are gradually improved, the reliability and the practicability of lasers are continuously improved, and the laser marking technology is more and more widely applied to the industry. The patent CN107486629B proposes a method for calibrating a visual positioning laser marking system, which first eliminates distortion by calibrating a galvanometer, and then adjusts the zoom factor of the laser marking coordinate and the initial deflection angle of the galvanometer, so that the picture displayed by the image is consistent with the actual size, position and angle of the object to be marked, thereby realizing the high-precision calibration of the marking system and the image system. Patent CN208496077U has designed a vision laser marking device, carries out the relative position through CCD to the mark object of waiting of spacing inslot and detects, then utilizes drive arrangement to drive the laser instrument subassembly and carry out corresponding position and remove, has solved the material that the feeder transported and has organized the problem that has positional deviation with laser device, has avoided laser marking beat partially, beat and take off. Patent CN110193669A has designed a from cross-flow line formula laser marking system of rectifying, utilizes infrared scanner, scans marking the mark code, discerns wrong mark code to give the singlechip error information feedback, the singlechip controls marking mechanism to move to mark wrong position and revises or mark again according to the requirement. Patent CN107486629B proposes a method for calibrating a visual positioning laser marking system, which can calibrate laser marking, but is only suitable for calibrating before laser marking, and cannot calibrate when an object is shifted during marking. Patent CN208496077U discloses a visual laser marking device, which can solve the problem of positional deviation between the material conveyed by the feeding machine and the laser device group, and avoid the deviation and the falling off of the laser marking, but can only perform adjustment before the laser marking starts, and cannot perform adjustment on the deviation of the object in the marking process.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a laser marking calbiration system aims at solving the current problem of marking the system and can't carry out the correction to the laser beam in real time of beating.
The utility model provides a solution of its technical problem is: a laser marking correction system, comprising: half anti-semi-transparent mirror, camera, laser instrument, scanning galvanometer, drive arrangement, processing terminal, flat field focusing lens and workstation, processing terminal is connected with camera and drive arrangement communication respectively, the laser that the laser instrument produced gets into the scanning galvanometer, the scanning galvanometer is with laser output to flat field focusing lens in, flat field focusing lens will laser is through the transmission focus of half anti-semi-transparent mirror on the mesa of workstation, the camera is used for receiving the light signal that half anti-semi-transparent mirror reflects, and will light signal converts image signal to and transmits for processing terminal, processing terminal basis image signal control drive arrangement, drive arrangement is used for driving the scanning galvanometer and carries out the action.
The utility model has the advantages that: the camera obtains the image of the marking object on the workbench, and the image is processed by the processing terminal, so that the scanning galvanometer is controlled to adjust the light path of the laser, and the laser beam is corrected in the laser marking process.
Further, the scanning galvanometer, the flat field focusing lens and the semi-reflecting and semi-transmitting lens are supported by a support, and the scanning galvanometer, the flat field focusing lens, the semi-reflecting and semi-transmitting lens and the workbench are sequentially arranged from top to bottom.
Furthermore, the half-reflecting and half-transmitting lens and the optical axis of the flat field focusing lens are arranged at an angle of 45 degrees.
Further, the scanning galvanometer comprises an X-axis galvanometer and a Y-axis galvanometer, the X-axis galvanometer and the Y-axis galvanometer are orthogonally arranged, and the X-axis galvanometer and the Y-axis galvanometer are both connected with a driving device.
Further, the processing terminal is a computer.
Further, the camera is connected with the processing terminal through a parallel port. By connecting the camera and the processing terminal through the parallel port, transmission data between the camera and the processing terminal can be transmitted in a parallel mode, and the data transmission speed is improved
Further, the workbench is provided with a groove. The groove can limit the position of the marking object, so that the marking object is prevented from moving.
Furthermore, a filter is arranged in front of the lens of the camera. The filter can filter some interference light, noise reduction.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.
Fig. 1 is a schematic system diagram of a laser marking correction system.
100. The device comprises a laser, 200, a scanning galvanometer, 300, a flat field focusing lens, 400, a half-reflecting and half-transmitting mirror, 500, a workbench, 600, a camera, 700, a processing terminal, 800, a driving device, 900, a power supply, 210, an X-axis galvanometer, 220, a Y-axis galvanometer, 610 and a filter.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.
Referring to fig. 1, a laser marking correction system includes: the power 900, the half mirror 400 that shakes, camera 600, laser instrument 100, scanning galvanometer 200, drive arrangement 800, processing terminal 700, flat field focusing lens 300 and workstation 500, processing terminal 700 is connected with camera 600 and drive arrangement 800 communication respectively, the half mirror 400 is 45 jiaos with the optical axis of flat field focusing lens 300 and sets up, scanning galvanometer 200, flat field focusing lens 300 and half mirror 400 prop up through the support, scanning galvanometer 200, flat field focusing lens 300, half mirror 400 and workstation 500 are from last down setting gradually, power 900 provides the electric energy for laser instrument 100 and scanning galvanometer 200.
When the laser marking correction system works, laser generated by the laser 100 enters the scanning galvanometer 200, a specific optical path refers to a track of a dotted arrow in fig. 1, the scanning galvanometer 200 outputs the laser to the flat field focusing lens 300, the flat field focusing lens 300 focuses the laser on a table top of a worktable 500 through transmission of the half-reflecting and half-transmitting lens 400, a marking object is placed on the worktable 500, the half-reflecting and half-transmitting lens 400 is fixed at an angle of 45 degrees with the horizontal plane, and an optical signal of an image of the marking object is incident at an angle of 45 degrees with the half-reflecting and half-transmitting lens 400and then is reflected to the camera 600 by the half-reflecting and half-transmitting lens 400. The camera 600 captures a clear picture, and the camera 600 receives an image of an object and transmits it to the processing terminal 700 for processing. The processing terminal 700 judges the position of the marked article in real time by processing the received image, and when the calculation result is that the marked article has a position deviation, the processing terminal 700 sends an instruction to control the scanning galvanometer 200 and correct the marking laser beam. It should be noted that the processing terminal 700 processes the received image and generates the corrected control signal belongs to the prior art.
The laser marking correction system obtains the image of the marking object on the workbench 500 through the camera 600, and processes the image by using the processing terminal 700, thereby controlling the scanning galvanometer 200 to adjust the light path of the laser 100 and realizing the correction of the laser beam in the laser marking process.
In some preferred embodiments, the scanning galvanometer 200 includes an X-axis galvanometer 210 and a Y-axis galvanometer 220, the X-axis galvanometer 210 and the Y-axis galvanometer 220 are orthogonally disposed, and both the X-axis galvanometer 210 and the Y-axis galvanometer 220 are connected to the driving device 800. The processing terminal 700 converts the marking pattern into a vector diagram after determining the marking pattern, the processing terminal 700 obtains corresponding control parameters according to the vector diagram of the pattern and quickly sends a corresponding command to the driving device 800, the driving device 800 controls the rotation angles of the X-axis galvanometer 210 and the Y-axis galvanometer 220 after receiving the command of the processing terminal 700, and the laser beam is projected onto the plane of the worktable 500 after being reflected by the X-axis galvanometer 210 and the Y-axis galvanometer 220, so that the scanning beam moves on the two-dimensional plane.
In some preferred embodiments, the processing terminal 700 is a computer.
In some preferred embodiments, the camera 600 is interfaced with the processing terminal 700. By connecting the camera 600 and the processing terminal 700 through a parallel port, the transmission data between the camera 600 and the processing terminal 700 can be transmitted in a parallel manner, increasing the speed of data transmission.
In some preferred embodiments, the table 500 is provided with a groove. When the laser marking correction system works, the marking object can be placed into the groove, and the groove can limit the position of the marking object, so that the marking is prevented from moving.
In some preferred embodiments, a filter 610 is disposed in front of the lens of the camera 600. The filter 610 may filter out some interfering light, reducing noise.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and changes without departing from the spirit of the invention.
Claims (8)
1. A laser marking correction system, comprising: the laser processing device comprises a semi-reflecting and semi-transmitting mirror (400), a camera (600), a laser (100), a scanning galvanometer (200), a driving device (800), a processing terminal (700), a flat field focusing lens (300) and a workbench (500), wherein the processing terminal (700) is respectively in communication connection with the camera (600) and the driving device (800), laser generated by the laser (100) enters the scanning galvanometer (200), the scanning galvanometer (200) outputs the laser to the flat field focusing lens (300), the flat field focusing lens (300) focuses the laser on the table top of the workbench (500) through the transmission of the semi-reflecting and semi-transmitting mirror (400), the camera (600) is used for receiving optical signals reflected by the semi-reflecting and semi-transmitting mirror (400) and converting the optical signals into image signals to be transmitted to the processing terminal (700), and the processing terminal (700) controls the driving device (800) according to the image signals, the driving device (800) is used for driving the scanning galvanometer (200) to execute actions.
2. The laser marking correction system of claim 1, wherein: the scanning galvanometer (200), the flat field focusing lens (300) and the semi-reflecting and semi-transparent mirror (400) are supported by a support, and the scanning galvanometer (200), the flat field focusing lens (300), the semi-reflecting and semi-transparent mirror (400) and the workbench (500) are sequentially arranged from top to bottom.
3. The laser marking correction system of claim 1, wherein: the half-reflecting and half-transmitting mirror (400) and the optical axis of the flat field focusing lens (300) are arranged in an angle of 45 degrees.
4. The laser marking correction system of claim 1, wherein: scanning galvanometer (200) including X axle galvanometer (210) and Y axle galvanometer (220), X axle galvanometer (210) and Y axle galvanometer (220) quadrature set up, X axle galvanometer (210) and Y axle galvanometer (220) all are connected with drive arrangement (800).
5. The laser marking correction system of claim 1, wherein: the processing terminal (700) is a computer.
6. The laser marking correction system of claim 5, wherein: the camera (600) is connected with the processing terminal (700) through a parallel port.
7. The laser marking correction system of claim 1, wherein: the workbench (500) is provided with a groove.
8. The laser marking correction system of claim 1, wherein: a filter plate (610) is arranged in front of a lens of the camera (600).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921738925.0U CN210937675U (en) | 2019-10-16 | 2019-10-16 | Laser marking correction system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921738925.0U CN210937675U (en) | 2019-10-16 | 2019-10-16 | Laser marking correction system |
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| CN210937675U true CN210937675U (en) | 2020-07-07 |
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| CN201921738925.0U Active CN210937675U (en) | 2019-10-16 | 2019-10-16 | Laser marking correction system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111730215A (en) * | 2020-07-24 | 2020-10-02 | 苏州天准科技股份有限公司 | Laser direct imaging apparatus |
| CN113199440A (en) * | 2021-04-23 | 2021-08-03 | 深圳技师学院（深圳高级技工学校） | Laser galvanometer detection and correction device |
| CN115846857A (en) * | 2022-12-07 | 2023-03-28 | 中国科学院上海光学精密机械研究所 | Laser scanning system |
-
2019
- 2019-10-16 CN CN201921738925.0U patent/CN210937675U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111730215A (en) * | 2020-07-24 | 2020-10-02 | 苏州天准科技股份有限公司 | Laser direct imaging apparatus |
| CN113199440A (en) * | 2021-04-23 | 2021-08-03 | 深圳技师学院（深圳高级技工学校） | Laser galvanometer detection and correction device |
| CN115846857A (en) * | 2022-12-07 | 2023-03-28 | 中国科学院上海光学精密机械研究所 | Laser scanning system |
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Address after: No.33 Guangyun Road, Shishan town, Nanhai District, Foshan City, Guangdong Province Patentee after: Foshan University Country or region after: China Address before: No.33 Guangyun Road, Shishan town, Nanhai District, Foshan City, Guangdong Province Patentee before: FOSHAN University Country or region before: China |
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