CN213476103U - Inner hole cladding laser system based on reflective strip-shaped integrating mirror - Google Patents
Inner hole cladding laser system based on reflective strip-shaped integrating mirror Download PDFInfo
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- CN213476103U CN213476103U CN201920086904.9U CN201920086904U CN213476103U CN 213476103 U CN213476103 U CN 213476103U CN 201920086904 U CN201920086904 U CN 201920086904U CN 213476103 U CN213476103 U CN 213476103U
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Abstract
The utility model relates to a hole melts and covers laser instrument melts and covers the not enough of laser system machining efficiency low, the system complicacy, difficult regulation and manufacturing cost height etc. to current hole, and provides a hole melts and covers laser system based on reflection type banding integral mirror. The laser system comprises a laser source, a collimation assembly, an X-axis focusing cylindrical lens and a reflective strip-shaped integrating mirror; the focus of the X-axis focusing cylindrical lens is superposed with the focus of the reflective strip-shaped integrating mirror; the light beam emitted by the laser source is collimated by the collimating component and then irradiates on the X-axis focusing cylindrical lens, and the X-axis focusing cylindrical lens focuses the X-axis of the light beam; the light beam focused by the X-axis focusing cylindrical lens is continuously transmitted to the reflecting type strip integrating mirror, the strip integrating cuts, rearranges and superposes the Y axis of the light beam, and the light beam is deflected by 90 degrees and is emitted.
Description
Technical Field
The utility model relates to a hole melts and covers laser instrument, concretely relates to hole melts and covers laser system based on reflective banded integration mirror.
Background
The laser inner hole cladding is a novel inner hole processing technology of parts, and a cladding material is added on the surface of a base material, and is fused with a thin layer on the surface of the base material by using a high-energy-density laser beam, so that a material adding cladding layer which is metallurgically bonded with the base layer is formed on the surface of the base layer.
The existing laser inner hole cladding system mainly has the following three defects: firstly, the light spots are round light spots, and the processing efficiency is low; secondly, the system is complex and difficult to adjust; thirdly, the system has many parts and high production cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects of low processing efficiency, complex system, difficult adjustment, high production cost and the like of the existing inner hole cladding laser system, and providing an inner hole cladding laser system based on a reflective band-shaped integral mirror. The system collimates the emergent light beam of the laser, then focuses the X axis of the light beam through the X axis focusing cylindrical lens, and then the light beam irradiates on the reflecting type strip integrating mirror which outputs the light beam in a square light spot, thereby completely meeting the requirement of laser inner hole cladding.
In order to achieve the above purpose, the utility model provides a technical scheme is: an inner hole cladding laser system based on a reflective strip-shaped integrating mirror is characterized by comprising a laser source, a collimation assembly, an X-axis focusing cylindrical lens and the reflective strip-shaped integrating mirror; the focus of the X-axis focusing cylindrical lens is superposed with the focus of the reflective strip-shaped integrating mirror; the reflective belt-shaped integrating mirror is formed by splicing a plurality of rectangular mirror surface elements, the corresponding images of the rectangular mirror surface elements on the focal plane of the reflective integrating mirror are the same in size, and the rectangular mirror surface elements are completely overlapped at the focal point; the light beam emitted by the laser source is collimated by the collimating component and then irradiates on the X-axis focusing cylindrical lens, and the X-axis focusing cylindrical lens focuses the light beam in the X-axis direction; the light beam focused by the X-axis focusing cylindrical lens is continuously transmitted to the reflecting type strip integrating mirror, the reflecting type strip integrating mirror cuts, rearranges and superposes the light beam in the Y-axis direction, and the light beam is deflected by 90 degrees and is emitted.
Further, the laser source adopts a fiber output laser.
Further, the collimation assembly adopts a laser beam collimation lens group.
Furthermore, the laser source adopts an area array semiconductor laser, and comprises a first area array semiconductor laser and a second area array semiconductor laser; the optical axis of the first area array semiconductor laser is horizontally arranged and is vertical to the optical axis of the second area array semiconductor laser; the collimation assembly comprises a first fast axis collimation lens, a first slow axis collimation lens, a second fast axis collimation lens and a second slow axis collimation lens; the light beam emitted by the first planar array semiconductor laser sequentially passes through a first fast axis collimating lens and a first slow axis collimating lens to form a first collimated light beam; the light beam emitted by the second area array semiconductor laser sequentially passes through a second fast axis collimating lens and a second slow axis collimating lens to form a second collimated light beam; the first collimated light beam and the second collimated light beam are coupled through the laser space coupling mirror to generate coupled parallel light, and the coupled parallel light irradiates the X-axis focusing cylindrical lens. After the coupling is finished, the laser power can be greatly improved under the condition that the beam width is only slightly increased, the light-emitting dead zone between the bars of the area array laser can be eliminated, and the uniformity of output light spots is good.
Further, the laser space coupling mirror is periodically coated with films, wherein a high-reflection film is coated on the upper half period of each period, and an anti-reflection film is coated on the lower half period of each period; each light emitting point of the first area array semiconductor laser is opposite to the center of the antireflection film, and each light emitting point of the second area array semiconductor laser is opposite to the center of the high reflection film.
Compared with the prior art, the utility model has the advantages that:
1. the utility model provides a hole melts and covers laser system simple structure, laser beam's plastic focus and make light deflection fuse mutually through the reflection, have greatly simplified interior accuse and have melted equipment optical structure, make the equipment regulation simpler, have simplified the regulation flow greatly.
2. The utility model provides a hole melts and covers laser system only uses a rectangle integral mirror at facula plastic in-process, has practiced thrift the cost at to a great extent for manufacturing cost is cheaper.
3. The utility model has outstanding compatibility to the laser types, and can be suitable for various lasers such as optical fiber output lasers, area array semiconductor lasers and the like;
drawings
Fig. 1 is a schematic structural diagram of an embodiment of the inner hole cladding laser system of the present invention;
fig. 2 is a schematic structural diagram of another embodiment of the inner hole cladding laser system of the present invention.
The reference numerals in the drawings are explained as follows:
1-optical fiber output laser, 2-laser beam collimation lens group, 3-X axis focusing cylindrical lens, 4-reflection type zonal integrator lens;
5-a first planar array semiconductor laser, 51-a first fast axis collimating lens, 52-a first slow axis collimating lens; 6-a second area array semiconductor laser, 61-a second fast axis collimating lens, 62-a second slow axis collimating lens; 7-laser space coupling mirror, 8-X axis focusing cylindrical lens, and 9-reflective strip integrating mirror.
Detailed Description
For convenience of description, the utility model defines the straight line where the light path of the light beam after being collimated by the collimating component is the Z axis, the plumb line is the Y axis, and the Z axis and the Y axis are coplanar; the line perpendicular to the plane of the Z-axis and the Y-axis is the X-axis.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example one
As shown in fig. 1, the present embodiment provides an inner hole cladding laser system based on a reflective strip integrator mirror, which includes a laser source, a collimating assembly, an X-axis focusing cylindrical lens 3, and a reflective strip integrator mirror 4; the laser source adopts an optical fiber output laser 1, and the collimation assembly adopts a laser beam collimation lens group 2.
The focal point of the X-axis focusing cylindrical lens 8 coincides with the focal point of the reflective belt integrator mirror 9. The reflective strip integrator mirror 4 is formed by splicing a plurality of rectangular mirror surface elements (not shown), and the image sizes corresponding to the rectangular mirror surface elements on the focal plane of the reflective integrator mirror 4 are the same and are completely overlapped at the focal point of the reflective integrator mirror 4 by designing the appropriate size of the mirror surface elements and adjusting the spatial angle of inclination required by each mirror surface element.
The light beam emitted by the optical fiber output laser 1 is collimated by the collimating component and then irradiates on the X-axis focusing cylindrical lens 3, and the X-axis focusing cylindrical lens 3 focuses the light beam in the X-axis direction; the light beam focused by the X-axis focusing cylindrical lens 3 is continuously transmitted to the reflecting type strip integrating mirror 4, the reflecting type strip integrating mirror 4 cuts, rearranges and superposes the light beam in the Y-axis direction, and the light beam is deflected by 90 degrees to be emitted.
Example two
As shown in fig. 2, the present embodiment provides an inner hole cladding laser system based on a reflective strip integrator mirror, which includes a laser source, a collimating assembly, an X-axis focusing cylindrical lens 8, and a reflective strip integrator mirror 9. The laser source adopts an area array semiconductor laser, and comprises a first area array semiconductor laser 5 and a second area array semiconductor laser 6; the optical axis of the first area array semiconductor laser 5 is horizontally arranged and perpendicular to the optical axis of the second area array semiconductor laser 6.
The focal point of the X-axis focusing cylindrical lens 8 coincides with the focal point of the reflective belt integrator mirror 9. The reflective strip integrator mirror 9 is formed by splicing a plurality of rectangular mirror surface elements (not shown), and by designing the size of a proper mirror surface element and adjusting the spatial angle of inclination required by each mirror surface element, the corresponding image sizes of the rectangular mirror surface elements on the focal plane of the reflective integrator mirror 9 are the same, and the rectangular mirror surface elements completely coincide with the focal point of the reflective integrator mirror 9.
The collimating assembly comprises a first fast axis collimating lens 51, a first slow axis collimating lens 52, a second fast axis collimating lens 61 and a second slow axis collimating lens 62; the light beam emitted by the first planar array semiconductor laser 5 sequentially passes through the first fast axis collimating lens 51 and the first slow axis collimating lens 52 to form a first collimated light beam; the light beam emitted by the second area array semiconductor laser 6 forms a second collimated light beam through a second fast axis collimating lens 61 and a second slow axis collimating lens 62 in sequence; the first collimated light beam and the second collimated light beam are coupled through a laser space coupling mirror 7 to generate coupled parallel light, and the coupled parallel light irradiates an X-axis focusing cylindrical lens 8; the X-axis focusing cylindrical lens 3 focuses the light beam in the X-axis direction; the light beam focused by the X-axis focusing cylindrical lens 3 is continuously transmitted to the reflective strip integrating mirror 4, the strip integrating cuts, rearranges and superposes the light beam in the Y-axis direction, and deflects the light beam by 90 degrees to be emitted.
The utility model improves the original round facula into the rectangular facula by using the integrating mirror, can increase the single processing area and improve the processing efficiency; a single reflective strip-shaped integrating mirror is used for homogenizing the light beam, so that the output light spots are more uniform, a Y-axis focusing system and a reflecting mirror system which deflects the light path by 90 degrees are replaced, the system is simple and easy to adjust, the parts of the system are reduced as far as possible, and the production cost is greatly saved.
The above description is only for the preferred embodiment of the present invention, and the technical solution of the present invention is not limited thereto, and any known modifications made by those skilled in the art on the basis of the main technical idea of the present invention belong to the technical scope to be protected by the present invention.
Claims (1)
1. The utility model provides an hole melts and covers laser system based on reflective banding integral mirror which characterized in that: comprises a laser source, a collimation component, X-axis focusing cylindrical lenses (3, 8) and reflective strip-shaped integrating mirrors (4, 9); the focal points of the X-axis focusing cylindrical lenses (3 and 8) are superposed with the focal points of the reflective strip-shaped integrating mirrors (4 and 9); the reflective strip-shaped integrating mirrors (4 and 9) are formed by splicing a plurality of rectangular mirror elements, and the corresponding images of the rectangular mirror elements on the focal planes of the reflective integrating mirrors (4 and 9) are identical in size and completely coincide at the focal points of the rectangular mirror elements;
the light beams emitted by the laser source are collimated by the collimating component and then irradiate on the X-axis focusing cylindrical lenses (3 and 8), and the X-axis focusing cylindrical lenses (3 and 8) focus the light beams in the X-axis direction;
the light beams focused by the X-axis focusing cylindrical lenses (3 and 8) are continuously transmitted to the reflecting type strip integrating mirrors (4 and 9), and the reflecting type strip integrating mirrors (4 and 9) cut, rearrange and superpose the light beams in the Y-axis direction and deflect the light beams by 90 degrees to be emitted;
the laser source adopts an area array semiconductor laser, and comprises a first area array semiconductor laser (5) and a second area array semiconductor laser (6); the optical axis of the first area array semiconductor laser (5) is horizontally arranged and is vertical to the optical axis of the second area array semiconductor laser (6);
the collimation assembly comprises a first fast axis collimation lens (51), a first slow axis collimation lens (52), a second fast axis collimation lens (61) and a second slow axis collimation lens (62);
the light beam emitted by the first planar array semiconductor laser (5) sequentially passes through a first fast axis collimating lens (51) and a first slow axis collimating lens (52) to form a first collimated light beam;
the light beam emitted by the second area array semiconductor laser (6) sequentially passes through a second fast axis collimating lens (61) and a second slow axis collimating lens (62) to form a second collimated light beam;
the first collimated light beam and the second collimated light beam are coupled through a laser space coupling mirror (7) to generate coupled parallel light, and the coupled parallel light irradiates an X-axis focusing cylindrical lens (8);
the laser space coupling mirror (7) is periodically coated with films, the upper half period of each period is coated with a high-reflection film, and the lower half period is coated with an anti-reflection film; each light emitting point of the first area array semiconductor laser (5) is over against the center of the antireflection film, and each light emitting point of the second area array semiconductor laser (6) is over against the center of the high reflection film.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920086904.9U CN213476103U (en) | 2019-01-18 | 2019-01-18 | Inner hole cladding laser system based on reflective strip-shaped integrating mirror |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920086904.9U CN213476103U (en) | 2019-01-18 | 2019-01-18 | Inner hole cladding laser system based on reflective strip-shaped integrating mirror |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109706447A (en) * | 2019-01-18 | 2019-05-03 | 南京科莱汀激光科技有限公司 | A kind of inner hole cladding laser system based on reflective band-like integral mirror |
| CN114966925A (en) * | 2022-06-10 | 2022-08-30 | 上海嘉强自动化技术有限公司 | Reflective broadband integrating mirror and broadband optical fiber laser optical system |
-
2019
- 2019-01-18 CN CN201920086904.9U patent/CN213476103U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109706447A (en) * | 2019-01-18 | 2019-05-03 | 南京科莱汀激光科技有限公司 | A kind of inner hole cladding laser system based on reflective band-like integral mirror |
| CN114966925A (en) * | 2022-06-10 | 2022-08-30 | 上海嘉强自动化技术有限公司 | Reflective broadband integrating mirror and broadband optical fiber laser optical system |
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