CN218610806U - Composite laser cleaning and processing device - Google Patents
Composite laser cleaning and processing device Download PDFInfo
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- CN218610806U CN218610806U CN202223162577.1U CN202223162577U CN218610806U CN 218610806 U CN218610806 U CN 218610806U CN 202223162577 U CN202223162577 U CN 202223162577U CN 218610806 U CN218610806 U CN 218610806U
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Abstract
The utility model provides a compound laser washs processingequipment, it has solved the complicated or big technical problem of occupation space of current compound laser cleaning equipment structure, and it includes continuous laser light path and pulsed laser light path. Wherein, a continuous laser output optical fiber, a continuous laser collimator, a first vibrating mirror, a second vibrating mirror and a laser field lens are sequentially arranged on the continuous laser light path; and a pulse laser output optical fiber, a pulse laser collimator, a second vibrating mirror and a laser field lens are sequentially arranged on the pulse laser light path. The lens of the second galvanometer is a beam combiner. The utility model discloses a structure and light path design to utilize beam combining mirror as the mirror that shakes, realize the compound washing of laser, obtain abluent overall structure compact device, then through the continuous mirror that shakes of the mirror control two beams of light beam with the angle with the frequency vibration of controlling respectively, through the coincidence of same field lens focus, realize efficient novel compound processing device that washs of laser, but wide application in laser cleaning technical field.
Description
Technical Field
The utility model relates to a laser cleaning technical field, in particular to compound laser washs processingequipment.
Background
The laser cleaning is an industrial technology which enables laser to act on the surface of an object to be cleaned and enables dirt to be separated from a substrate under the action of high energy, so that the surface cleaning is realized. Due to the adoption of a non-contact cleaning mode, the cleaning device has the outstanding advantages of no damage to the surface of a workpiece, high cleaning efficiency, almost no material consumption, high cleaning cleanliness and the like.
Due to the advantages, laser cleaning is a conventional cleaning means at present, domestic laser cleaning generally adopts a single laser as a light source for cleaning, but a coating with large thickness cannot be cleaned due to low beam energy, and meanwhile, the diameter of a light spot is small, so that the working efficiency in unit time is low.
In order to solve the problems, a laser composite cleaning technology is taken as a novel cleaning means, so that efficient cleaning of paint or oil stain with larger thickness can be realized, the conventional technology is that laser cleaning equipment generally combines continuous laser and pulse laser, for example, chinese patent CN 216460590U-a composite laser cleaning device discloses a cleaning system, the composite laser is adjusted into a path of the combined laser through a vibrating mirror system, although the combined cleaning is realized through a simple technical means, the focus position of the combined laser spot is difficult to flexibly control, and the application of a diversified field lens is insufficient; still another technique is to independently adjust the focal spot positions of continuous and pulsed lasers, such as chinese patent CN 111346879A-a laser composite cleaning system and method and chinese patent CN 115090900A-a dual-beam laser selective melting forming device and method, which both use two field lenses to achieve laser composite cleaning, which is disadvantageous in that it is not suitable for cleaning in small space.
SUMMERY OF THE UTILITY MODEL
The utility model discloses just for solve above-mentioned background art not enough, provide a simple structure, whole compactness, possess the compound laser cleaning and processing device of independent light path regulating power simultaneously.
Therefore, the utility model provides a composite laser cleaning and processing device, which comprises two laser paths, namely a continuous laser path and a pulse laser path;
a continuous laser output optical fiber, a continuous laser collimator, a first galvanometer, a second galvanometer and a laser field lens are sequentially arranged on the continuous laser light path;
a pulse laser output optical fiber, a pulse laser collimator, the second vibrating mirror and the laser field lens are sequentially arranged on the pulse laser light path;
the lens of the second galvanometer is a beam combiner.
Preferably, the laser wavelength output by the continuous laser output fiber is different from the laser wavelength output by the pulsed laser output fiber.
Preferably, a first focusing lens and a first collimating lens group are sequentially arranged in the continuous laser collimator along the light path.
Preferably, a second focusing lens and a second collimating lens group are sequentially arranged in the pulse laser collimator along the optical path.
Preferably, the first collimating lens group and the second collimating lens group are one or more of a single lens, a lens combination, a cylindrical lens and a cylindrical lens combination.
Preferably, a first light path adjusting component is arranged between the continuous laser collimator and the first galvanometer; the first light path adjusting component is one or a combination of a single lens, a lens combination, a total reflector and a semi-transparent semi-reflecting mirror.
Preferably, a second optical path adjusting component is arranged between the pulse laser collimator and the second galvanometer; the second light path adjusting component is one or a combination of a single lens, a lens combination, a total reflector and a semi-transparent semi-reflecting mirror.
Preferably, the continuous laser output fiber and the pulse laser output fiber are arranged in parallel, the first optical path adjusting component is a total reflection mirror, and the continuous laser passes through the first optical path adjusting component and then enters the first vibrating mirror; the second light path adjusting component is also a total reflection mirror, and pulse laser passes through the second light path adjusting component and then enters the second vibrating mirror.
Preferably, the laser field lens is an F-theta lens group, and the surface of the laser field lens is plated with an antireflection film.
Preferably, the laser field lens is one of a circular field lens and a square field lens.
The utility model provides a compound laser cleaning processingequipment has following beneficial effect:
the utility model discloses a structure and light path design to utilize beam combining mirror as the mirror that shakes, realize the compound washing of laser, obtain abluent overall structure compact device, then through the continuous mirror that shakes of the mirror control two beams of light beam with the angle with the frequency vibration of controlling respectively pulse laser beam, through the coincidence of same field lens focus, realize efficient novel compound processing device that washs of laser.
Drawings
Fig. 1 is a perspective view of embodiment 1 of the present invention;
fig. 2 is a cross-sectional view of a continuous laser collimator according to embodiment 1 of the present invention;
fig. 3 is a cross-sectional view of a pulse laser collimator according to embodiment 1 of the present invention;
fig. 4 is a perspective view of a first galvanometer in embodiment 1 of the present invention;
fig. 5 is a perspective view of a second galvanometer in embodiment 1 of the present invention;
fig. 6 is a perspective view of embodiment 2 of the present invention;
the labels in the figure are: 1. the laser system comprises a continuous laser output optical fiber, 2, a continuous laser collimator, 21, a continuous laser incidence end focusing lens, 22, a continuous laser emergence end collimating lens, 3, a pulse laser output optical fiber, 4, a pulse laser collimator, 41, a pulse laser incidence end focusing lens, 42, a pulse laser emergence end collimating lens, 5, a continuous laser galvanometer, 51, a continuous laser galvanometer lens, 52, a continuous laser galvanometer motor, 6, a continuous laser reflector, 7, a pulse laser galvanometer lens, 71, a pulse laser reflector, 72, a pulse laser galvanometer motor, 8, a pulse laser reflector and 9, a laser field lens.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments to assist understanding of the invention. The method used in the utility model is a conventional method if no special regulation is provided; the raw materials and the apparatus used are, unless otherwise specified, conventional commercially available products.
Example 1
The utility model provides a compound laser washs processingequipment, as shown in FIG. 1, including two way laser light paths, be continuous laser light path and pulse laser light path respectively.
Wherein, a continuous laser output optical fiber 1, a continuous laser collimator 2, a first vibrating mirror, a second vibrating mirror and a laser field lens 9 are sequentially arranged on the continuous laser light path; preferably, the continuous laser output fiber 1 is any one of a QBH fiber, an SMA fiber, an FC fiber, a DB fiber, and a bare fiber, and specifically, without limitation, includes an energy fiber and a fiber output head, where the output head outputs a continuous laser beam with a wavelength of 1080 nm. Further, as shown in fig. 2, a continuous laser incident end focusing lens 21 and a continuous laser emitting end collimating lens 22 are sequentially disposed along the optical path in the continuous laser collimator 2, the focal lengths are both 80mm, and the focal length formed by combining the two lenses is 42mm.
Preferably, a first light path adjusting component is arranged between the continuous laser collimator 2 and the first galvanometer; as shown in the figure, the first light path adjusting component is a continuous laser reflector 6, keeps the incident angle of 45 degrees, and is coated with a 1080nm reflecting film on the reflecting surface, and the reflectivity is more than 99.9 percent. The first galvanometer is a continuous laser galvanometer 5, and specifically includes a continuous laser galvanometer lens 51 and a continuous laser galvanometer motor 52, as shown in fig. 4. Wherein, 1080nm reflective film is plated on the reflective surface of the continuous laser galvanometer lens 51, the reflectivity is more than 99.9 percent, and the incident angle is kept at 45 degrees.
In the continuous laser light path, continuous laser sequentially passes through the continuous laser reflector 6 and the continuous laser vibrating mirror 5 to be reflected and then passes through the second lens downwards to enter the laser field lens 9.
A pulse laser output optical fiber 3, a pulse laser collimator 4, a second vibrating mirror and a laser field lens 9 are sequentially arranged on a pulse laser light path; preferably, in the embodiment, considering the compact structure design, the pulse laser output fiber 3 and the continuous laser output fiber 1 are arranged in parallel, and the laser wavelength output by the continuous laser output fiber 1 is designed to be different from the laser wavelength output by the pulse laser output fiber 3; furthermore, the pulse laser output fiber 1 is any one of a QBH fiber, an SMA fiber, an FC fiber, a DB fiber, and a bare fiber, and has a structure including an energy fiber and a fiber output head, but the output head outputs a pulse laser beam having a wavelength of 1064 nm. Further, as shown in fig. 3, a pulse laser incident end focusing lens 41 and a pulse laser output end collimating lens 42 are provided in the pulse laser collimator 4 in this order along the optical path. In the present embodiment, the focal length of the continuous laser collimator 2 is smaller than the lens focal length of the pulse collimator 4 with the same fiber core diameter, so the focal lengths of the pulse laser incident end focusing lens 41 and the pulse laser exit end collimating lens 42 are both designed to be 90mm, and the focal length formed by combining the two lenses is 55mm.
Preferably, a second light path adjusting component is arranged between the pulse laser collimator 4 and the second galvanometer; as shown in the figure, the second light path adjusting component is a pulse laser reflector 8, keeps the incident angle of 45 degrees, and is plated with a 1064nm reflecting film on the reflecting surface, and the reflectivity is more than 99.9 percent. The second galvanometer is a pulse laser galvanometer 7, as shown in fig. 5, specifically including a pulse laser galvanometer lens 71 and a pulse laser galvanometer motor 72. Wherein, the reflecting surface of the pulse laser galvanometer lens 71 is plated with a 1064nm reflecting film, the reflectivity is more than 99.9 percent, and the incident angle is kept at 45 degrees; and is also provided with a 1080nm antireflection film, the reflectivity is less than 0.1 percent, the incident angle is 45 degrees, and the pulse laser galvanometer 7 becomes a beam combiner.
In the pulse laser light path, pulse laser sequentially passes through a pulse laser reflector 8 and a pulse laser vibrating mirror 7 to be reflected and then enters a laser field lens 9 downwards.
Preferably, the field lens is an F-theta lens group, and the focal length of the field lens is 100 mm. The reflectivity of the surface of the film plated with anti-reflection films with the wavelength of 1064nm and 1080nm is less than 0.1 percent, and the incident angle is 0 degree.
Principle of operation
A beam of 1080nm continuous laser is emitted into a continuous laser collimator through a continuous laser transmission optical fiber, and is output into a continuous collimated light beam after passing through a lens with a combined focal length of 42mm, the continuous collimated light beam and the continuous laser reflector are emitted into the surface of the continuous laser reflector at an angle of 45 degrees, the direction of the light beam is converted into 90 degrees, the light beam and the surface of a continuous laser vibrating mirror are converted into 90 degrees, the light beam is emitted into the surface of a continuous laser vibrating mirror at an angle of 45 degrees, the direction of the light beam is converted into 90 degrees, the light beam is emitted into the surface of a pulse laser vibrating mirror, and is continuously transmitted through the surface of the pulse laser vibrating mirror and is emitted into a laser field mirror;
meanwhile, a 1064nm pulse laser beam is emitted into a pulse laser collimator through a pulse laser transmission optical fiber, and is output as a pulse collimated light beam after passing through a lens with a combined focal length of 55mm, the pulse collimated light beam and a pulse laser reflector are emitted to the surface of the pulse laser reflector at an angle of 45 degrees, the beam direction is converted to 90 degrees, the beam and the surface of a pulse laser vibrating mirror are at an angle of 45 degrees, and are emitted to the surface of the pulse laser vibrating mirror, the beam direction is converted to 90 degrees, and the beam is continuously transmitted and is emitted into a laser field mirror;
the continuous laser and the pulse laser vibrate at the same frequency and the same angle by controlling the swing signals of the continuous laser galvanometer and the pulse laser galvanometer;
in the actual use process, the combined focal length of a continuous laser incidence end focusing lens and a continuous laser emitting end collimating lens in the continuous collimating lens combiner is further changed, and the combined focal length of a pulse laser incidence end focusing lens and a pulse laser emitting end collimating lens in the pulse collimating lens combiner is changed, so that the focal positions of continuous laser and pulse laser are coincided;
meanwhile, by changing the proportional relation between the focal length of the laser field lens and the focal lengths of the continuous laser collimating lens combiner and the pulse laser collimating lens combiner, the proper composite laser beam focal diameter is obtained, and the optimal cleaning effect is achieved.
Example 2
In this embodiment, on the basis of embodiment 1, a second optical path adjusting component may not be provided according to actual needs, and as shown in fig. 6, the pulse laser output fiber 3 and the pulse laser collimator 4 are horizontally disposed, so as to omit components on the optical path, but increase the volume of the whole laser generator, and therefore need to be set according to actual situations; in the same way, the continuous laser output fiber 1 and the continuous laser collimator 2 can also be horizontally arranged to omit the first light path adjusting component, which is not described herein again.
In the description of the present invention, it should be understood that the terms "left", "right", "upper", "lower", "top", "bottom", "front", "rear", "inner", "outer", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships 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.
However, the above description is only an example of the present invention, and the scope of the present invention should not be limited thereto, so that the replacement of the equivalent component or the equivalent change and modification made according to the protection scope of the present invention should be included in the scope of the present invention.
Claims (10)
1. A composite laser cleaning and processing device is characterized by comprising two laser paths, namely a continuous laser path and a pulse laser path;
a continuous laser output optical fiber, a continuous laser collimator, a first galvanometer, a second galvanometer and a laser field lens are sequentially arranged on the continuous laser light path;
a pulse laser output optical fiber, a pulse laser collimator, the second vibrating mirror and the laser field lens are sequentially arranged on the pulse laser light path;
and the lens of the second galvanometer is a beam combiner.
2. The hybrid laser cleaning apparatus of claim 1 wherein the continuous laser output fiber outputs a laser wavelength different from the laser wavelength output by the pulsed laser output fiber.
3. The hybrid laser cleaning device according to claim 1, wherein the continuous laser collimator comprises a first focusing lens and a first collimating lens set sequentially arranged along the optical path.
4. The hybrid laser cleaning and processing apparatus as claimed in claim 3, wherein the pulse laser collimator is provided with a second focusing lens and a second collimating lens group in this order along the optical path.
5. The hybrid laser cleaning and processing device as claimed in claim 4, wherein the first and second collimating lens groups are one or more of a single lens, a lens assembly, a cylindrical lens, and a cylindrical lens assembly.
6. The composite laser cleaning and processing device of claim 1, wherein a first light path adjusting component is arranged between the continuous laser collimator and the first galvanometer; the first light path adjusting component is one or a plurality of combinations of a single lens, a lens combination, a total reflection mirror and a semi-transparent semi-reflection mirror.
7. The composite laser cleaning and processing device according to claim 6, wherein a second optical path adjusting component is arranged between the pulse laser collimator and the second galvanometer; the second light path adjusting component is one or a combination of a single lens, a lens combination, a total reflector and a semi-transparent semi-reflecting mirror.
8. The hybrid laser cleaning and processing apparatus as claimed in claim 7, wherein the continuous laser output fiber and the pulse laser output fiber are disposed in parallel, the first optical path adjusting element is a total reflection mirror, and the continuous laser passes through the first optical path adjusting element and then enters the first galvanometer; the second light path adjusting component is also a total reflection mirror, and pulse laser passes through the second light path adjusting component and then enters the second vibrating mirror.
9. The hybrid laser cleaning/processing device according to claim 1, wherein the laser field lens is an F- θ lens group, and is coated with an antireflection film.
10. The hybrid laser cleaning/processing apparatus as claimed in claim 9, wherein the laser field lens is one of a circular field lens and a square field lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223162577.1U CN218610806U (en) | 2022-11-28 | 2022-11-28 | Composite laser cleaning and processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223162577.1U CN218610806U (en) | 2022-11-28 | 2022-11-28 | Composite laser cleaning and processing device |
Publications (1)
| Publication Number | Publication Date |
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| CN218610806U true CN218610806U (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223162577.1U Active CN218610806U (en) | 2022-11-28 | 2022-11-28 | Composite laser cleaning and processing device |
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| CN (1) | CN218610806U (en) |
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- 2022-11-28 CN CN202223162577.1U patent/CN218610806U/en active Active
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