CN214703294U - Real-time monitoring's mark device of beating - Google Patents
Real-time monitoring's mark device of beating Download PDFInfo
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- CN214703294U CN214703294U CN202121002749.1U CN202121002749U CN214703294U CN 214703294 U CN214703294 U CN 214703294U CN 202121002749 U CN202121002749 U CN 202121002749U CN 214703294 U CN214703294 U CN 214703294U
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Abstract
The utility model relates to the field of laser marking, in particular to a marking device for real-time monitoring, which comprises a laser, a dichroic mirror, a point light source component, a focusing component and a detection module; the dichroic mirror and the focusing assembly are sequentially arranged on a light beam path emitted by the laser and the point light source assembly; the light beams emitted by the laser and the point light source component are respectively transmitted light and reflected light or reflected light and transmitted light of the dichroic mirror; the detection module is used for acquiring detection light reflected by the workpiece, and the detection module and the point light source assembly are arranged on the same light path. Through setting up laser instrument, dichroic mirror, point light source subassembly, focus subassembly and detection module, polish to the processing position through the point light source subassembly and solved because not polishing work piece processing department, so the picture that detection module received is dark, influences the problem that detects to the condition of mark department is beaten in real-time supervision, guarantees the stability of the mark quality of beating of product, improves the yield when beating the mark, and the structure sets up rationally, space utilization is high.
Description
Technical Field
The utility model relates to a laser marking field, in particular to real-time supervision's mark device of beating.
Background
Laser marking is a marking method in which a workpiece is irradiated locally with high-energy-density laser to vaporize a surface layer material or to undergo a chemical reaction of color change, thereby leaving a permanent mark. In the marking process, the problems of poor quality and difficult identification of the marked code can occur, the quality of the marked surface quality is good, and if the code is not clearly marked, the code printing effect of the product is not ideal, and the subsequent process is difficult to identify.
CN111070907A patent "marking detection device", published as 2020.04.28, discloses a marking detection device comprising: a housing; the transmitting module is used for transmitting a laser beam so as to print the identification code on the workpiece through the laser beam; the detection module is used for acquiring detection light reflected by the workpiece so as to read and detect the identification code; the shell is provided with a first light path, a second light path and a third light path, wherein the first end of the first light path is communicated with the transmitting module, the first end of the second light path is communicated with the second end of the first light path, the first end of the third light path is communicated with the first end of the second light path, and the second end of the third light path is communicated with the detecting module; when the marking detection equipment is in a marking mode, the laser beam emitted by the emitting module is focused on a workpiece through a first light path and a second light path; when the marking detection device is in a detection mode, the detection light reflected by the workpiece enters the detection module through the second light path and the third light path. The invention solves the problem of low code reading efficiency of marking detection equipment in the prior art.
However, the detection module of the above device detects the product by receiving the detection light reflected by the workpiece, and since the workpiece processing position is not polished, the image received by the detection module is dark, which affects the detection.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the detection is influenced by dark pictures received by a detection module because the processing position of the workpiece is not polished,
the utility model provides a marking device for real-time monitoring, which comprises a laser, a dichroic mirror, a point light source component, a focusing component and a detection module;
the dichroic mirror and the focusing assembly are sequentially arranged on the paths of the light beams emitted by the laser and the point light source assembly;
the light beam emitted by the laser and the light beam emitted by the point light source component are respectively transmitted light and reflected light or reflected light and transmitted light of the dichroic mirror;
the detection module is used for acquiring detection light reflected by the workpiece, and the detection module and the point light source assembly are arranged on the same light path.
Further, the dichroic mirror is arranged adjacent to the laser and the point light source assembly, and the light beam emitted by the laser and the light beam emitted by the point light source assembly are perpendicular to each other.
Further, the dichroic mirror is one of a short-wave-pass dichroic mirror, a multiband dichroic mirror and a long-wave-pass dichroic mirror.
Further, the light beam emitted by the laser is transmitted light of the dichroic mirror, and the light beam emitted by the point light source assembly is reflected light of the dichroic mirror.
Further, the dichroic mirror is a short wave pass dichroic mirror, the cut-off band of the short wave pass dichroic mirror is adopted, the laser is a violet laser, the wavelength of the violet laser is, the point light source component comprises a white light point light source, and the wavelength of the white light point light source is larger than the cut-off band of the short wave pass dichroic mirror.
Further, real-time supervision's mark device of beating still includes the cage cube, the cage cube is used for the installation to adjust the dichroic mirror.
Further, the point light source assembly comprises a telecentric lens and a point light source.
Further, the focusing assembly comprises a galvanometer and a field lens, and the galvanometer is matched with the field lens.
Further, the detection module is a ccd module.
Further, real-time supervision's mark device of beating still includes the display, the display with detection module communication connects.
Compared with the prior art, the utility model provides a pair of real-time supervision's mark device of beating, through setting up the laser instrument, the dichroic mirror, the point light source subassembly, focus subassembly and detection module, utilize the dichroic mirror, mark and the light path that detects are beaten in the integration, beat light to the processing position through the point light source subassembly and solved because not beat light to work piece processing department, so the picture that detection module received is dark, influence the problem that detects, thereby can the condition of mark department is beaten in real-time supervision, guarantee the stability of beating the mark quality of product, the yield when improving the mark, and the structure sets up rationally, space utilization is high.
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 creative efforts.
Fig. 1 is a schematic structural view of a marking device for real-time monitoring provided by the present invention;
fig. 2 is a transmission and reflection curve diagram of a short-wave pass dichroic mirror with a cut-off band 425 provided by the present invention.
Reference numerals:
10. laser 20, dichroic mirror 30, point light source assembly
40. Focusing assembly 41, galvanometer 42, field lens
50. Detection module
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 efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Specific embodiments are given below:
the utility model provides a real-time supervision's beats mark device which characterized in that: the device comprises a laser 10, a dichroic mirror 20, a point light source assembly 30, a focusing assembly 40 and a detection module 50; the dichroic mirror 20 and the focusing assembly 40 are sequentially disposed on the light beam paths emitted by the laser 10 and the point light source assembly 30; the light beam emitted by the laser 10 and the light beam emitted by the point light source assembly 30 are respectively transmitted light and reflected light or reflected light and transmitted light of the dichroic mirror 20; the detection module 50 is configured to obtain detection light reflected by the workpiece, and the detection module 50 and the point light source assembly 30 are disposed on the same light path.
In implementation, the laser 10 is used for emitting laser to process a workpiece, the dichroic mirror 20 is disposed on a path of a light beam emitted by the laser 10, and the dichroic mirror 20 is disposed on a path of a light beam emitted by the point light source assembly 30;
the dichroic mirror 20 divides the light beam into transmitted light and reflected light according to the wavelength range, and the light beam emitted by the laser 10 and the light beam emitted by the point light source assembly 30 are respectively transmitted light and reflected light or reflected light and transmitted light of the dichroic mirror 20, that is, if the light beam emitted by the laser 10 is transmitted light, the light beam emitted by the point light source assembly 30 is reflected light, and if the light beam emitted by the laser 10 is reflected light, the light beam emitted by the point light source assembly 30 is projected light; the product structure is optimized by integrating the marking and detecting light paths through the dichroic mirror 20, and the space utilization rate is high.
The point light source assembly 30 is used for lighting the processing position to prevent the detection module 50 from receiving dark pictures and influencing detection; the focusing assembly 40 receives and focuses the light beam emitted by the laser 10 and the light beam emitted by the point light source assembly 30 after passing through the dichroic mirror 20, so as to realize the processing and illumination of the material on the object stage; the detection module 50 is used for acquiring detection light reflected by a workpiece to detect, the detection module 50 and the point light source assembly 30 are arranged on the same light path, specifically, the detection light reflected by the workpiece sequentially passes through the focusing assembly 40, the dichroic mirror 20 and the point light source assembly 30 to the detection module 50, the structure of the device is optimized, and the occupied area is reduced.
The working principle is as follows: the light beam emitted by the laser 10 passes through the dichroic mirror 20 and the focusing assembly 40 in sequence to be marked; the light emitted by the point light source component 30 passes through the dichroic mirror 20 and the focusing component 40 in sequence to mark and polish; the detection module 50 acquires detection light reflected by the workpiece for detection.
Compared with the prior art, the utility model provides a pair of real-time supervision's mark device of beating, through setting up the laser instrument, the dichroic mirror, the point light source subassembly, focus subassembly and detection module, utilize the dichroic mirror, mark and the light path that detects are beaten in the integration, beat light to the processing position through the point light source subassembly and solved because not beat light to work piece processing department, so the picture that detection module received is dark, influence the problem that detects, thereby can the condition of mark department is beaten in real-time supervision, guarantee the stability of beating the mark quality of product, the yield when improving the mark, and the structure sets up rationally, space utilization is high.
Preferably, the dichroic mirror 20 is disposed adjacent to the laser 10 and the point light source assembly 30, and the light beam emitted from the laser 10 and the light beam emitted from the point light source assembly 30 are perpendicular to each other.
During the implementation, dichroic mirror 20 is adjacent to laser 10 and point light source subassembly 30 setting, and the light beam that laser 10 sent and point light source subassembly 30 direct action reduce the energy loss to dichroic mirror 20 before, and the light beam that laser 10 sent and the light beam mutually perpendicular that point light source subassembly 30 sent to the light beam that makes laser 10 send and the light beam that point light source subassembly 30 sent pass through dichroic mirror 20 to focus on subassembly 40 with parallel polarization light and perpendicular polarization light respectively, rational in infrastructure, energy loss when reducing the light beam and passing through dichroic mirror 20.
Preferably, the dichroic mirror 20 is one of a short-wave pass dichroic mirror, a multiband dichroic mirror, and a long-wave pass dichroic mirror. The transmission waveband and the reflection waveband of the short-wave-pass dichroic mirror are separated through a cut-off wavelength, the waveband smaller than the cut-off wavelength has high transmittance, and the waveband larger than the cut-off wavelength has high reflectivity; a multiband dichroic mirror having two transmission bands and one reflection band, separated by a cut-off wavelength and a start wavelength: the wave band smaller than the cut-off wavelength or larger than the starting wavelength has high transmittance, and the wave band between the cut-off wavelength and the starting wavelength has high reflectivity; the long-wavelength-pass dichroic mirror provides high transmittance when the wavelength is greater than the initial wavelength and high reflectance when the wavelength is less than the initial wavelength.
Because the light beam wavelengths of different lasers 10 are different, according to different lasers, the corresponding dichroic mirror 20 is selected to meet the transmission or reflection requirements of various lasers 10 with different wavelengths, and then the wavelength of the point light source in the point light source assembly 30 opposite to the laser 10 is selected according to the transmission or reflection requirements of the laser 10; the dichroic mirror 20 is one of a short-wave-pass dichroic mirror, a multiband dichroic mirror and a long-wave-pass dichroic mirror, and is flexible in switching and adaptable to lasers 10 with different wavelengths.
Preferably, the light beam emitted from the laser 10 is transmitted by the dichroic mirror 20, and the reflected light from the dichroic mirror 20 of the light beam emitted from the point light source assembly 30 reduces the energy loss when the light beam emitted from the laser 10 passes through the dichroic mirror 20.
Specifically, the utility model provides a pair of embodiment, refer to fig. 2, dichroic mirror 20 is the shortwave and leads to dichroic mirror, and shortwave leads to dichroic mirror's cutoff band 425, and laser instrument 10 is the purple light laser instrument, and purple light laser instrument wavelength is 355, and point light source subassembly 30 includes the white light pointolite, and white light point light source wavelength is greater than shortwave and leads to dichroic mirror's cutoff band 425.
In implementation, the violet light with wavelength 355 is lower than the cut-off band 425 of the short-wave pass dichroic mirror, and the light beam emitted by the violet laser with wavelength 355 is the transmission light of the short-wave pass dichroic mirror with the cut-off band 425, so the light beam directly passes through the short-wave pass dichroic mirror to the focusing assembly 40; the point light source assembly 30 includes a white light point light source, the wavelength of which is greater than the cut-off band 425, and the light beam emitted by the point light source assembly 30 is the reflected light of the short wave pass dichroic mirror of the cut-off band 425, and is reflected to the focusing assembly 40 through the short wave pass dichroic mirror.
Preferably, real-time supervision's mark device of beating still includes the cage cube, and the cage cube is used for the installation to adjust dichroic mirror 20, and through setting up the cage cube, dichroic mirror 20 is adjusted and simple to operate.
Preferably, the point light source assembly 30 includes a telecentric lens and a point light source, the point light source is used for emitting a light beam to illuminate the processing position, and the focusing function of the telecentric lens can make the detection module 50 more clearly capture the image of the processing position and take a picture.
During implementation, detection light reflected by the workpiece sequentially passes through the focusing assembly 40, the dichroic mirror 20 and the telecentric lens to the detection module 50, so that the definition of the detection module 50 for acquiring a picture of a processing position is increased, and the detection accuracy is increased.
Specifically, the focusing assembly 40 includes a galvanometer 41 and a field lens 42, the galvanometer 41 is matched with the field lens 42, the light beams emitted from the laser 10 and the point light source assembly 30 sequentially pass through the galvanometer 41 and the field lens 42,
the galvanometer 41 can carry out vector marking and dot matrix marking, the marking range is adjustable, the galvanometer has the advantages of high response speed, high marking quality, good light path sealing performance and strong environmental adaptability, and the field lens 42 can change the position of an imaging light beam on the premise of not changing the optical characteristics of an optical system; the adaptation of the galvanometer 41 and the field lens 42 can ensure marking quality.
Preferably, the detection module 50 is a CCD module, and the industrially commonly used vision detection module is CMOS or CCD, and the CCD module has the advantages of high resolution, high sensitivity and low noise.
The preferred, real-time supervision's mark device of beating still includes the display, and the display is connected with detection module 50 communication for the relevant information of the mark surface condition of beating that shows detection module 50 and detect makes things convenient for personnel in time to know the overall process of control product processing.
Compared with the prior art, the utility model provides a pair of real-time supervision's mark device of beating, through setting up the laser instrument, the dichroic mirror, the point light source subassembly, focus subassembly and detection module, utilize the dichroic mirror, mark and the light path that detects are beaten in the integration, beat light to the processing position through the point light source subassembly and solved because not beat light to work piece processing department, so the picture that detection module received is dark, influence the problem that detects, thereby can the condition of mark department is beaten in real-time supervision, guarantee the stability of beating the mark quality of product, the yield when improving the mark, and the structure sets up rationally, space utilization is high.
Although terms such as laser, dichroic mirror, point light source assembly, focusing assembly, detection module, etc. are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the 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 (10)
1. The utility model provides a real-time supervision's beats mark device which characterized in that: the device comprises a laser (10), a dichroic mirror (20), a point light source assembly (30), a focusing assembly (40) and a detection module (50);
the dichroic mirror (20) and the focusing assembly (40) are sequentially arranged on the paths of the light beams emitted by the laser (10) and the point light source assembly (30);
the light beam emitted by the laser (10) and the light beam emitted by the point light source component (30) are respectively transmitted light and reflected light or reflected light and transmitted light of the dichroic mirror (20);
the detection module (50) is used for acquiring detection light reflected by the workpiece, and the detection module (50) and the point light source assembly (30) are arranged on the same light path.
2. The marking device of claim 1, wherein: the dichroic mirror (20) is arranged adjacent to the laser (10) and the point light source assembly (30), and the light beam emitted by the laser (10) and the light beam emitted by the point light source assembly (30) are perpendicular to each other.
3. Marking device of real-time monitoring according to claim 2, characterized in that: the dichroic mirror (20) is one of a short-wave-pass dichroic mirror, a multiband dichroic mirror and a long-wave-pass dichroic mirror.
4. Marking device of real-time monitoring according to claim 3, characterized in that: the light beam emitted by the laser (10) is transmitted light of the dichroic mirror (20), and the light beam emitted by the point light source component (30) is reflected light of the dichroic mirror (20).
5. Marking device of real-time monitoring according to claim 4, characterized in that: the dichroic mirror (20) is a short-wave pass dichroic mirror, the cut-off band 425 of the short-wave pass dichroic mirror, the laser (10) is a violet laser, the wavelength of the violet laser is 355, the point light source assembly (30) comprises a white light point light source, and the wavelength of the white light point light source is larger than the cut-off band 425 of the short-wave pass dichroic mirror.
6. The marking device of claim 1, wherein: the real-time monitoring marking device further comprises a cage cube, and the cage cube is used for installing and adjusting the dichroic mirror (20).
7. The marking device of claim 1, wherein: the point light source assembly (30) comprises a telecentric lens and a point light source.
8. The marking device of claim 1, wherein: the focusing assembly (40) comprises a galvanometer (41) and a field lens (42), and the galvanometer (41) is matched with the field lens (42).
9. The marking device of claim 1, wherein: the detection module (50) is a ccd module.
10. The marking device of claim 1, wherein: the marking device capable of real-time monitoring further comprises a display, and the display is in communication connection with the detection module (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121002749.1U CN214703294U (en) | 2021-05-11 | 2021-05-11 | Real-time monitoring's mark device of beating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121002749.1U CN214703294U (en) | 2021-05-11 | 2021-05-11 | Real-time monitoring's mark device of beating |
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| Publication Number | Publication Date |
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| CN214703294U true CN214703294U (en) | 2021-11-12 |
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| CN202121002749.1U Active CN214703294U (en) | 2021-05-11 | 2021-05-11 | Real-time monitoring's mark device of beating |
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- 2021-05-11 CN CN202121002749.1U patent/CN214703294U/en active Active
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