CN213680890U - Composite laser cladding device - Google Patents
Composite laser cladding device Download PDFInfo
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- CN213680890U CN213680890U CN202022528497.8U CN202022528497U CN213680890U CN 213680890 U CN213680890 U CN 213680890U CN 202022528497 U CN202022528497 U CN 202022528497U CN 213680890 U CN213680890 U CN 213680890U
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Abstract
The embodiment of the utility model provides a compound laser cladding device, include: the blue light wave band collimating lens is used for collimating the laser of the blue light wave band passing through the blue light wave band collimating lens; the infrared band collimating lens is used for collimating the laser of the infrared band passing through the infrared band collimating lens; and the reflection focusing mechanism is arranged at the downstream of the blue light wave band collimating lens and the infrared wave band collimating lens along the laser propagation direction and is used for reflecting the laser of the blue light wave band or the laser of the infrared wave band to form coaxial composite laser, and the coaxial composite laser forms a focusing spot on the surface of the workpiece under the action of the reflection focusing mechanism. The embodiment of the utility model provides a compound laser cladding device forms coaxial compound laser through the laser with blue light wave band and the laser of infrared band, because high reflective material such as gold, silver, copper, aluminium is high to the laser absorption rate of blue light wave band, is difficult for producing the reflection of high energy, has prolonged the life of machine.
Description
Technical Field
The utility model relates to a laser cladding technical field especially relates to a compound laser cladding device.
Background
In modern industrial applications, many parts often face very complicated working environments, and a single kind of metal material is difficult to meet the requirements. If the material with excellent performance is adopted, the cost is too high. The surface modification technology is generally adopted to process the composite material, so that the use requirement can be met, and the cost can be saved. As a high-reflectivity material, copper, silver, aluminum and other materials have extremely low absorption rate to infrared band laser, and need to be subjected to cladding after surface blackening treatment, which not only causes complex procedures, but also increases production cost. Therefore, it is important to design a laser cladding device to improve the cladding process.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a compound laser cladding device for it is low to the laser absorption rate of infrared band to solve the well anti-material of prior art, needs the defect that carries out cladding after the surface blackening is handled.
The embodiment of the utility model provides a compound laser cladding device, include: the blue light wave band collimating lens is used for collimating the laser light of the blue light wave band passing through the blue light wave band collimating lens; the infrared band collimating lens is used for collimating the laser passing through the infrared band of the infrared band collimating lens; the reflection focusing mechanism is arranged at the downstream of the blue light wave band collimating lens and the infrared wave band collimating lens along the laser propagation direction and is used for reflecting the laser of the blue light wave band or the laser of the infrared wave band to enable the laser of the blue light wave band and the laser of the infrared wave band to form coaxial composite laser, and the coaxial composite laser forms a focusing spot on the surface of a workpiece under the action of the reflection focusing mechanism.
According to the utility model discloses a compound laser cladding device of embodiment, blue light wave band collimating lens with infrared wave band collimating lens parallel arrangement.
According to the utility model discloses a compound laser cladding device of embodiment, blue light wave band collimating lens with infrared wave band collimating lens is the angle setting.
According to the utility model discloses a compound laser cladding device of embodiment, reflection focus mechanism includes a pair of speculum piece, speculum piece parallel arrangement to the direction of propagation along laser is located respectively blue light wave band collimation lens with the low reaches of infrared wave band collimation lens.
According to the utility model discloses a compound laser cladding device of embodiment, reflection focus mechanism includes a plurality pairs of reflector plate, reflector plate is located respectively along the propagation direction of laser blue light wave band collimating lens with the low reaches of infrared wave band collimating lens.
According to the utility model discloses a compound laser cladding device of embodiment, reflection focusing mechanism still includes the focusing mirror, the focusing mirror is located along the propagation direction of laser the low reaches of mirror piece.
According to the utility model discloses a compound laser cladding device of an embodiment still includes powder feeding mechanism, powder feeding mechanism includes coaxial powder feeding head, coaxial powder feeding head is located along the propagation direction of laser the low reaches of focusing mirror.
According to the utility model discloses a compound laser cladding device of embodiment, powder feeding mechanism still includes the powder feeder, the powder feeder with coaxial powder feeding head is connected.
According to the utility model discloses a compound laser cladding device of an embodiment still includes blue laser and semiconductor laser, blue laser with blue light wave band collimation lens is connected, semiconductor laser with infrared wave band collimation lens is connected.
The embodiment of the utility model provides a compound laser cladding device, after the laser reflection through the laser with blue light wave band or infrared wave band, make the two form coaxial compound laser, then form the focus facula in order to implement cladding technology on workpiece surface. The high-reflectivity materials such as gold, silver, copper, aluminum and the like have high laser absorption rate to blue light wave bands, so that high-energy reflection is not easy to generate, and the service life of the machine is prolonged. Meanwhile, the light beam energy distribution of the semiconductor laser is uniform, the surface forming of a cladding layer is facilitated, the cladding splashing can be reduced by matching with the laser of a blue light wave band, the absorption of the laser energy by a workpiece is increased, and the effective utilization rate of the energy is improved. Meanwhile, the laser of the blue light wave band and the laser of the infrared wave band have no front-back sequence, so that the laser is not influenced by the directionality in the cladding process, and the operation is more flexible.
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 are briefly introduced 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 diagram of a composite laser cladding apparatus provided by an embodiment of the present invention.
Reference numerals:
1: an optical fiber; 2: laser in the blue band; 3: a blue light band collimating lens; 4: an infrared band collimating lens; 5: laser in the infrared band; 6: a mirror plate; 7: a focusing mirror; 8: a coaxial powder feeding head; 9: a workpiece; 10: a blue laser; 11: a semiconductor laser; 12: a powder feeder.
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.
The composite laser cladding apparatus according to the embodiment of the present invention is described below with reference to fig. 1.
The embodiment of the utility model provides a compound laser cladding device includes blue light wave band collimating lens 3, infrared wave band collimating lens 4 and reflection focusing mechanism. Specifically, laser 2 of a blue light band emitted by the laser device passes through the blue light band collimating lens 3 and then collimates the diverged blue light band light beam. The laser 5 of the infrared wave band that the laser instrument sent passes through the collimating lens 4 of the infrared wave band and then collimates the light beam of the divergent infrared wave band. After the collimated laser 2 in the blue light wave band or the laser 5 in the infrared wave band is reflected by the reflection focusing mechanism, the two are coaxial composite lasers with the same propagation direction, and the coaxial composite lasers form a focusing spot on the surface of the workpiece 9 after passing through the reflection focusing mechanism so as to clad the workpiece 9.
Specifically, for high-reflectivity materials such as gold, silver, copper and aluminum, the absorption rate of the laser 5 in the infrared band is low, and the absorption rate of the laser 2 in the blue band is high, so that before the cladding process is performed on the high-reflectivity materials, the laser 5 in the infrared band and the laser 2 in the blue band can be mixed together to form composite laser for cladding, the surface of the high-reflectivity materials can be prevented from being blackened, and the cladding performance of the high-reflectivity materials can be effectively improved.
Further, in an embodiment of the present invention, the reflective focusing mechanism may include a reflective mirror and a focusing mirror, the reflective mirror is located at the downstream of the blue light band collimating mirror 3 and the infrared band collimating mirror 4 along the propagation direction of the laser, and is used for reflecting the laser 2 of the blue light band or the laser 5 of the infrared band. Specifically, the mirror may be a mirror of a blue band, which reflects only the laser light 2 of the blue band, and the reflected laser light 2 of the blue band and the laser light 5 of the infrared band passing through the mirror are coaxial composite laser light. Similarly, the reflector may also be an infrared-band reflector, and after reflecting the laser 5 in the infrared band, the laser and the laser 2 in the blue-band passing through the reflector become coaxial composite laser.
Further, the setting angle and the number of the reflection lenses may be specifically set according to the setting positions of the blue band collimating lens 3 and the infrared band collimating lens 4.
The coaxial composite laser is focused by the focusing lens to form a focusing spot on the surface of the workpiece 9 so as to implement the cladding process.
The embodiment of the utility model provides a compound laser cladding device, after the laser reflection through the laser with blue light wave band or infrared wave band, make the two form coaxial compound laser, then form the focus facula in order to implement cladding technology on workpiece surface. The high-reflectivity materials such as gold, silver, copper, aluminum and the like have high laser absorption rate to blue light wave bands, so that high-energy reflection is not easy to generate, and the service life of the machine is prolonged. Meanwhile, the light beam energy distribution of the semiconductor laser is uniform, the surface forming of a cladding layer is facilitated, the cladding splashing can be reduced by matching with the laser of a blue light wave band, the absorption of the laser energy by a workpiece is increased, and the effective utilization rate of the energy is improved. Meanwhile, the laser of the blue light wave band and the laser of the infrared wave band have no front-back sequence, so that the laser is not influenced by the directionality in the cladding process, and the operation is more flexible.
As shown in fig. 1, in an embodiment of the present invention, the reflective focusing mechanism includes a reflective mirror 6 and a focusing mirror 7, and the focusing mirror 7 is disposed downstream of the reflective mirror 6 according to the propagation direction of the laser light, and is used for focusing the formed coaxial composite laser light. In the present embodiment, the focusing mirror 7 is a full-band focusing mirror.
In an embodiment of the present invention, the blue light band collimating lens 3 and the infrared band collimating lens 4 can be parallel to each other or can be at an angle with each other.
As shown in fig. 1, in an embodiment of the present invention, the blue light wave band collimating lens 3 and the infrared wave band collimating lens 4 are arranged in parallel, and the reflective lens 6 is a pair, and is respectively arranged under the blue light wave band collimating lens 3 and the infrared wave band collimating lens 4, and is set at 45 ° with the blue light wave band collimating lens 3 and the infrared wave band collimating lens 4, and the focusing lens 7 is arranged under the reflective lens 6 below the infrared wave band collimating lens 4.
Specifically, after being collimated by the blue light band collimating lens 3, the laser 2 of the blue light band is reflected by the first reflecting lens 6, so that the propagation direction of the laser 2 of the blue light band is changed from the vertical direction to the horizontal direction, after the laser 2 of the blue light band in the horizontal direction is reflected by the second reflecting lens 6, the propagation direction is changed again, and the light path direction is changed to the vertical direction. After the laser 5 in the infrared band is collimated by the collimating lens 5 in the infrared band, the light beam enters the second reflecting lens 6, because the reflecting lens 6 is a reflecting lens in the blue light band, it only reflects the laser 2 in the blue light band, the propagation direction of the light path of the laser 5 in the infrared band after passing through the second reflecting lens 6 is unchanged, and then the laser 5 in the infrared band and the laser 2 in the blue light band become coaxial composite laser. The composite laser is focused by a focusing lens 7 to form a focusing spot on a workpiece 9.
Further, in an embodiment of the utility model, also can exchange blue light wave band collimating lens 3 and infrared wave band collimating lens 4's position, reflecting lens 6 is the reflecting lens of infrared wave band this moment, and it only reflects infrared wave band's laser 5, and the laser 5 of infrared wave band through twice reflection becomes coaxial compound laser with the direct blue light wave band's that passes through reflecting lens 6 laser 2. The composite laser is focused by a focusing lens 7 to form a focusing spot on a workpiece 9.
The utility model discloses an in the embodiment, also can be the angle setting between blue light wave band collimating lens 3 and the infrared wave band collimating lens 4, at this moment, the quantity of reflector plate 6 can be for many pairs to guarantee that the laser through reflector plate 6 reflection finally becomes coaxial compound laser with another bundle of laser.
As shown in fig. 1, in an embodiment of the present invention, the composite laser cladding apparatus further includes a powder feeding mechanism, and the powder feeding mechanism includes a coaxial powder feeding head 8 and a powder feeder 12. Specifically, the coaxial powder feeding head 8 is connected with the powder feeder 12, the coaxial powder feeding head 8 is positioned at the downstream of the focusing mirror 7, the cladding powder reaches the coaxial powder feeding head 8 from the powder feeder 12, and finally a cladding layer is formed on the surface of the workpiece 9 under the action of the focusing light spot.
Further, in an embodiment of the present invention, optionally, the powder feeder 12 is a disk powder feeder.
Further, in an embodiment of the present invention, the composite laser cladding apparatus further includes: blue laser 10 and semiconductor laser 11, blue laser 10 and semiconductor laser 11 are connected with blue light wave band collimating lens 3 and infrared wave band collimating lens 4 through optic fibre 1 respectively, and wherein, blue laser 10 is used for launching blue light wave band's laser 2, and semiconductor laser 11 is used for launching infrared wave band's laser 5.
Specifically, in the cladding process, the laser 2 in the blue light band can be used as an auxiliary beam to select a laser with lower power. The workpiece 9 absorbs the laser 2 in the blue light wave band, and then the surface is liquefied, so that the reflectivity of the workpiece 9 to the laser 5 in the infrared wave band is reduced, the absorption rate of the workpiece 9 to the laser can be improved, the influence of a reflected light beam on a laser can be reduced, and the service life of a machine is prolonged.
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 it; 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 technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (9)
1. A hybrid laser cladding apparatus, comprising:
the blue light wave band collimating lens is used for collimating the laser light of the blue light wave band passing through the blue light wave band collimating lens;
the infrared band collimating lens is used for collimating the laser passing through the infrared band of the infrared band collimating lens;
the reflection focusing mechanism is arranged at the downstream of the blue light wave band collimating lens and the infrared wave band collimating lens along the laser propagation direction and is used for reflecting the laser of the blue light wave band or the laser of the infrared wave band to enable the laser of the blue light wave band and the laser of the infrared wave band to form coaxial composite laser, and the coaxial composite laser forms a focusing spot on the surface of a workpiece under the action of the reflection focusing mechanism.
2. The hybrid laser cladding device according to claim 1, wherein said blue band collimating lens and said infrared band collimating lens are arranged in parallel.
3. The hybrid laser cladding device of claim 1, wherein said blue band collimating optic and said infrared band collimating optic are angularly disposed.
4. The hybrid laser cladding apparatus of claim 2, wherein said reflective focusing mechanism comprises a pair of reflective mirrors, said reflective mirrors being arranged in parallel and located downstream of said blue band collimating mirror and said infrared band collimating mirror, respectively, in a propagation direction of the laser light.
5. The hybrid laser cladding apparatus of claim 3, wherein said reflective focusing mechanism comprises a plurality of pairs of mirrors, said mirrors being located downstream of said blue band collimating mirror and said infrared band collimating mirror, respectively, in a propagation direction of the laser light.
6. The hybrid laser cladding apparatus according to claim 4 or 5, wherein said reflection focusing mechanism further comprises a focusing mirror located downstream of said reflection mirror plate in a propagation direction of the laser light.
7. The hybrid laser cladding apparatus of claim 6, further comprising a powder feeding mechanism comprising a coaxial powder feeding head located downstream of the focusing mirror in a propagation direction of the laser light.
8. The hybrid laser cladding apparatus of claim 7, wherein the powder feed mechanism further comprises a powder feeder connected to the coaxial powder feed head.
9. The hybrid laser cladding device according to claim 1, further comprising a blue laser and a semiconductor laser, wherein said blue laser is connected to said blue band collimating optic, and said semiconductor laser is connected to said infrared band collimating optic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022528497.8U CN213680890U (en) | 2020-11-04 | 2020-11-04 | Composite laser cladding device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022528497.8U CN213680890U (en) | 2020-11-04 | 2020-11-04 | Composite laser cladding device |
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| CN213680890U true CN213680890U (en) | 2021-07-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114457333A (en) * | 2022-04-14 | 2022-05-10 | 广东粤港澳大湾区硬科技创新研究院 | Double-beam composite laser cladding device and cladding method |
| CN114959688A (en) * | 2022-05-31 | 2022-08-30 | 中机新材料研究院(郑州)有限公司 | Composite ultra-high-speed laser cladding device and cladding method thereof |
| CN115821251A (en) * | 2022-09-07 | 2023-03-21 | 江苏智远激光装备科技有限公司 | Blue-red laser composite cladding tin bronze alloy powder process |
-
2020
- 2020-11-04 CN CN202022528497.8U patent/CN213680890U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114457333A (en) * | 2022-04-14 | 2022-05-10 | 广东粤港澳大湾区硬科技创新研究院 | Double-beam composite laser cladding device and cladding method |
| CN114959688A (en) * | 2022-05-31 | 2022-08-30 | 中机新材料研究院(郑州)有限公司 | Composite ultra-high-speed laser cladding device and cladding method thereof |
| CN114959688B (en) * | 2022-05-31 | 2023-09-08 | 中机新材料研究院(郑州)有限公司 | Composite ultra-high-speed laser cladding device and cladding method thereof |
| CN115821251A (en) * | 2022-09-07 | 2023-03-21 | 江苏智远激光装备科技有限公司 | Blue-red laser composite cladding tin bronze alloy powder process |
| CN115821251B (en) * | 2022-09-07 | 2024-04-16 | 江苏智远激光装备科技有限公司 | Blue-red laser composite cladding tin bronze alloy powder process |
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