CN214921506U - Optical fiber laser cutting device - Google Patents
Optical fiber laser cutting device Download PDFInfo
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- CN214921506U CN214921506U CN202121289326.2U CN202121289326U CN214921506U CN 214921506 U CN214921506 U CN 214921506U CN 202121289326 U CN202121289326 U CN 202121289326U CN 214921506 U CN214921506 U CN 214921506U
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- water
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- optical fiber
- laser cutting
- cutting device
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Abstract
The utility model relates to a laser cutting equipment technical field, concretely relates to optic fibre laser cutting device. The utility model discloses a water cavity, the inside optic fibre that is provided with of water cavity, the optic fibre bottom is provided with lens. The utility model has the advantages of reasonable and simple structure, the simple operation lets in water to the water cavity through the water inlet, and optic fibre work emission laser beam is through the transmission of lens for the laser beam is along with the bunch of water is launched together, can cut article through the bunch of water that contains the laser beam, great reduction the cost of production, and then reduce the fault point, reduce the cost of maintaining.
Description
Technical Field
The utility model relates to a laser cutting equipment technical field, concretely relates to optic fibre laser cutting device.
Background
The water-guided laser processing is an advanced processing technology for guiding a laser beam to the surface of a workpiece to be processed by utilizing a micro water jet, and the laser is guided to the surface of the workpiece to be processed by the micro water jet according to the principle that the laser generates total reflection in the micro water jet similar to an optical fiber. Laser beams in the existing water guide type laser cutting equipment are collimated and expanded after coming out of a solid laser, and then are coupled into water beams after being focused. Therefore, the existing water guide type laser cutting equipment is complex in structure and high in cost, so that a plurality of fault points are caused, and the maintenance cost is increased.
The above problems are problems that the art needs to solve.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide an optic fibre laser cutting device for its simple structure is convenient, thereby reduces the cost of manufacturing.
In order to solve the technical problem, the utility model provides a scheme is: the optical fiber laser cutting device comprises a water cavity, wherein optical fibers are arranged in the water cavity, and a lens is arranged at the bottom of each optical fiber.
As a further improvement of the utility model, the upper end surface and the lower end surface of the lens are both provided with coating films.
As a further improvement, the optical fiber and the lens are externally provided with an optical fiber protection sleeve, and the optical fiber protection sleeve is made of metal material.
As a further improvement of the utility model, the water cavity side is provided with the water inlet, the water cavity bottom is located department is provided with the nozzle under the lens, nozzle department is formed with the water beam.
As a further improvement of the present invention, there is a gap between the nozzle and the lens.
As a further improvement of the utility model, the length of the water beam is 1mm-100mm, and the diameter of the water beam is 25 μm-200 μm.
As a further improvement of the present invention, the included angle between the laser beam emitted from the optical fiber and the horizontal is α, and the angle of α is greater than the angle of the total reflection angle of water.
The utility model has the advantages that:
the utility model has the advantages of reasonable and simple structure, the simple operation lets in water to the water cavity through the water inlet, and optic fibre work emission laser beam through assembling of lens for the laser beam is along with the water beam launches away together, can cut article through the water beam that contains the laser beam, great reduction the cost of production, and then reduce the fault point, reduce the cost of maintaining.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Reference numerals: 1. a water chamber; 101. a water inlet; 102. a nozzle; 103. water beam; 2. an optical fiber; 3. a lens; 4. and (4) protecting the optical fiber sleeve.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Referring to fig. 1, for the utility model discloses an embodiment, including water cavity 1, for the security, water cavity internal pressure scope is within 1 ~ 100Mpa, 1 inside optic fibre 2 that is provided with in water cavity, in order to improve the luminousness of optic fibre 2, thereby the antireflection coating has been plated to terminal surface at optic fibre 2, optic fibre 2 bottom still is provided with lens 3, 1 side in water cavity is provided with water inlet 101, 1 bottom in water cavity is located lens 3 under the department is provided with nozzle 102, nozzle 102 department is formed with water beam 103, make water beam 103 and the coaxial setting of optic fibre 2, let in water to water cavity 1 through water inlet 101, optic fibre 2 work emission laser beam, transmission through lens 3, make the laser beam launch along with water beam 103 together, can cut article through the water beam 103 that contains the laser beam, great reduction the cost of production.
In this embodiment, in order to protect the optical fiber 2, the optical fiber 2 and the lens 3 are provided with the optical fiber protection sleeve 4, and the optical fiber protection sleeve 4 is made of a metal material, so that the optical fiber 2 is protected, and the service life of the optical fiber 2 is prolonged.
In the present embodiment, in order to secure the effect of cutting the article, the length of the water jet 103 is defined to be 1mm to 100mm, and the diameter of the water jet 103 is defined to be 25 μm to 200 μm, so that the effect of cutting the article by the water jet 103 can be always maintained in an optimum state.
In this embodiment, lens 3 up end and lower terminal surface all are provided with the coating film, can increase the luminousness of laser to improve the effect of cutting.
In this embodiment, in order to avoid the water flow blockage inside the water chamber 1, there is a gap between the nozzle 102 and the lens 3, and this gap facilitates the water flowing out from the water chamber 1 along the nozzle 102.
In this embodiment, the laser beam that optic fibre 2 launched is alpha with the horizontal contained angle, when the angle of alpha is less than the angle of the total reflection angle of water, can cause the power of laser beam can't cut article to be greater than the angle of the total reflection angle of water with the angle of alpha all the time, and then guarantee that the laser beam can carry out effectual cutting to article.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (7)
1. The optical fiber laser cutting device is characterized by comprising a water cavity (1), wherein an optical fiber (2) is arranged in the water cavity (1), and a lens (3) is arranged at the bottom of the optical fiber (2).
2. The fiber laser cutting device according to claim 1, wherein the lens (3) is provided with a coating on both the upper and lower end surfaces.
3. The fiber laser cutting device according to claim 1, wherein a fiber protection sleeve (4) is disposed outside the optical fiber (2) and the lens (3), and the fiber protection sleeve (4) is made of metal.
4. The fiber laser cutting device according to claim 1, wherein a water inlet (101) is arranged on the side surface of the water cavity (1), a nozzle (102) is arranged at the bottom of the water cavity (1) and is positioned right below the lens (3), and a water beam (103) is formed at the nozzle (102).
5. A fiber laser cleaving device according to claim 4, wherein a gap exists between the nozzle (102) and the lens (3).
6. The fiber laser cleaving device of claim 1, wherein the water beam (103) has a length of 1mm to 100mm and a diameter of 25 μm to 200 μm.
7. A fiber laser cutting device according to claim 1, characterized in that the laser beam emitted by the fiber (2) is at an angle α to the horizontal, said angle α being greater than the angle of total reflection of water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121289326.2U CN214921506U (en) | 2021-06-09 | 2021-06-09 | Optical fiber laser cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121289326.2U CN214921506U (en) | 2021-06-09 | 2021-06-09 | Optical fiber laser cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214921506U true CN214921506U (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121289326.2U Active CN214921506U (en) | 2021-06-09 | 2021-06-09 | Optical fiber laser cutting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN214921506U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118141510A (en) * | 2024-03-21 | 2024-06-07 | 武汉大学 | Medical water guide laser system |
-
2021
- 2021-06-09 CN CN202121289326.2U patent/CN214921506U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118141510A (en) * | 2024-03-21 | 2024-06-07 | 武汉大学 | Medical water guide laser system |
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