CN220795589U - Double-line laser shaping device - Google Patents
Double-line laser shaping device Download PDFInfo
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- CN220795589U CN220795589U CN202322718233.2U CN202322718233U CN220795589U CN 220795589 U CN220795589 U CN 220795589U CN 202322718233 U CN202322718233 U CN 202322718233U CN 220795589 U CN220795589 U CN 220795589U
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- 238000007493 shaping process Methods 0.000 title claims abstract description 35
- 238000004026 adhesive bonding Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 241001270131 Agaricus moelleri Species 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004372 laser cladding Methods 0.000 description 1
- 238000010330 laser marking Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a double-line laser shaping device which comprises a fixed adjusting frame, a laser diode, a collimating mirror, a glued beam-splitting prism, a reflecting prism, a first Powell prism and a second Powell prism. The device can realize two line lasers which are parallel to each other and have adjustable distance at one time, so that the adjustment of the distance between the line lasers is simple and quick, and the purchase cost of equipment is greatly reduced. The external precise focusing is realized by adjusting the distance between the laser diode and the collimating lens, so that the focal length is convenient to adjust, the relative position error between the lenses is reduced, and the adjusting precision is improved.
Description
Technical Field
The utility model relates to the technical field of laser shaping, in particular to a double-line laser shaping device.
Background
At present, with the continuous development of science and technology, the development of laser technology is mature, and the application field is also wide. At present, the laser is applied in the fields of industry, agriculture, communication, sanitation and the like. The laser energy and shape need to be shaped to accommodate different application scenarios. In the technical fields of laser welding, laser cladding, laser material processing, flat plate processing and the like, a laser beam is required to be shaped into rectangular light spots with flat-top light intensity distribution; in a laser marking machine, laser output is required to be a linear light spot with uniform light intensity; when the ultra-large scale integrated circuit board is detected, the laser beam with uniform light intensity is required to irradiate the detection surface of the circuit board to detect the circuit board.
In the field of laser electrolytic composite processing, laser beams are required to be shaped into uniform spot light spots, linear light spots and double linear light spots. The powell lens is an aspheric cylindrical lens, and the top incident curved surface is a complex two-dimensional aspheric curved surface, so that the point laser can be shaped into a line laser with uniform light intensity, as shown in fig. 3. There is a powell-wordline laser module of patent No. 202223533913.9 that can shape a spot laser into a uniform line laser and can realize internal focusing, but there is no shaping device for shaping a spot laser into a double line laser and a double line laser that can perform internal focusing. So two line lasers need to be purchased when two line lasers need to be used. In practical application, the installation and positioning of two lasers and the adjustment of the beam distance thereof become very troublesome, and in order to solve the problem, a word line laser shaping device capable of realizing internal focusing and simultaneously generating two adjustable distances in parallel is needed.
Disclosure of Invention
Aiming at the prior art, the utility model provides a double-line laser shaping device which not only can adjust the focal length, but also can adjust the distance between two line lasers. The device has the advantages of simple structure and convenient operation, and greatly reduces the purchase cost of the device.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows.
A two-wire laser shaping device, characterized by: the device comprises a fixed adjusting frame, a laser diode, a collimating mirror, a glued beam splitting prism, a reflecting prism, a first Powell prism and a second Powell prism; the fixed adjusting frame comprises a laser diode mounting part, a collimating mirror mounting part, a first line laser shaping part and a second line laser shaping part; the glued beam splitting prism is provided with a beam splitting surface; the reflecting prism is provided with a reflecting surface; the first Powell prism is provided with a first incident curved surface; the second Powell prism is provided with a second incident curved surface; the laser diode is installed and fixed in the laser diode installation part; the collimating mirror is fixedly arranged on the collimating mirror mounting part; the gluing beam splitting prism and the first Powerner prism are sequentially arranged and fixed in the first line laser shaping part from top to bottom; the reflecting prism and the second Powell prism are sequentially arranged and fixed in the second line laser shaping part from top to bottom; the central axes of the laser diode, the collimating mirror and the first Bowilt prism are coincident; the first incident curved surface of the first Powell prism and the second incident curved surface of the second Powell prism are in the same horizontal direction; the light splitting surface of the glued light splitting prism and the reflecting surface of the reflecting prism form an included angle of 45 degrees with the horizontal plane, and the geometric centers of the light splitting surface and the reflecting surface are on the same horizontal line; the central axis of the first Bowilt prism is through the geometric center of the light splitting surface of the glued light splitting prism; the central axis of the second Bowilt prism passes through the geometric center of the reflecting surface of the reflecting prism.
The laser diode mounting part can move up and down in the vertical direction with respect to the collimating mirror mounting part with high resolution and high precision.
The second line laser shaping part can horizontally move relative to the first line laser shaping part along the horizontal direction with high resolution and high precision.
Compared with the prior art, the utility model has the main advantages that
(1) The utility model can realize two mutually parallel line lasers with adjustable distance at one time, so that not only the adjustment of the laser lines becomes simple and quick, but also the purchase cost of equipment is greatly reduced.
(2) According to the utility model, the laser diode, the collimating lens and the Baowel lens are arranged together, so that the focal length is convenient to adjust, the relative position error between the lenses is reduced, and the adjusting precision is improved.
Drawings
FIG. 1 is a schematic view of the apparatus of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
fig. 3 is an optical schematic diagram of a powell lens and line laser generation.
Reference numerals and names in the drawings: 1. fixing an adjusting frame; 2. a laser diode; 3. a collimator lens; 4. gluing a beam-splitting prism; 5. a light reflecting prism; 6. a first bowil prism; 7. a second bowil prism; 8. a laser beam; 1-1, a laser diode mounting portion; 1-2, a collimator lens mounting part; 1-3, a first line laser shaping section; 1-4, a second line laser shaping part; 6-1, a first Powell prism incidence curved surface; 7-1, a second Powell prism incidence curved surface; 1-5, focusing knob; 1-6, a distance adjusting knob.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiments of the present utility model are further described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, a double-line laser shaping device comprises a fixed adjusting frame 1, a laser diode 2, a collimating lens 3, a glued beam splitting prism 4, a reflecting prism 5, a first bowil prism 6 and a second bowil prism 7; the fixed adjusting frame 1 comprises a laser diode mounting part 1-1, a collimating mirror mounting part 1-2, a first line laser shaping part 1-3 and a second line laser shaping part 1-4; the glued beam splitting prism is provided with a beam splitting surface 4-1; the reflecting prism 5 is provided with a reflecting surface 5-1; the first Bowell prism 6 has a first incident curved surface 6-1; the second Bowell prism 7 is provided with a second incidence curved surface 7-1; wherein the laser diode 2 is fixedly arranged in the laser diode mounting part 1-1; the collimating lens 3 is arranged and fixed in the collimating lens mounting part 1-2; the gluing beam splitting prism 4 and the first Bowil prism 6 are sequentially arranged and fixed in the first line laser shaping part 1-3 from top to bottom; the reflecting prism 5 and the second Bowilt prism 7 are sequentially arranged and fixed in the second line laser shaping part 1-4 from top to bottom; the central axes of the laser diode 2, the collimating mirror 3 and the first Bowil prism 6 are coincident; the bus of the first incident curved surface 6-1 of the first Bowell prism 6 and the bus of the second incident curved surface 7-1 of the second Bowell prism are on the same horizontal line; the light splitting surface 4-1 of the glued light splitting prism 4 and the reflecting surface 5-1 of the reflecting prism 5 form an included angle of 45 degrees with the horizontal plane, and the geometric centers of the light splitting surface and the reflecting surface are on the same horizontal line; the geometric center of the central axis light passing surface 4-2 of the first Bowil prism 6; the central axis of the second Bowilt prism 7 passes through the geometric center of the reflecting surface 5-1. The arrangement mode of the prisms can enable the split laser beams to be parallel and accurate to be respectively emitted from the first incident curved surface 6-1 of the first Powell prism 6 and the second incident curved surface 7-1 of the second Powell prism 7, so that two line beams which are parallel and perpendicular to the moving direction of the second line laser shaping part 1-4 are formed.
The laser diode mounting part 1-1 moves up and down relative to the collimating mirror mounting part 1-2 along the vertical direction by rotating the focusing knob 1-5, so that internal focusing is realized, and the precision is 0.5mm.
The distance between the two line lasers is adjusted to 20 μm by rotating the distance adjusting knob 1-6 to horizontally move the second line laser shaping unit 1-4 relative to the first line laser shaping unit 1-3 in the horizontal direction.
Claims (3)
1. A two-wire laser shaping device, characterized by: the device comprises a fixed adjusting frame (1), a laser diode (2), a collimating lens (3), a glued beam-splitting prism (4), a reflecting prism (5) and a first Bowil prism (6); a second Powerner prism (7); the fixed adjusting frame (1) comprises a laser diode mounting part (1-1), a collimating mirror mounting part (1-2), a first line laser shaping part (1-3) and a second line laser shaping part (1-4); the glued beam splitting prism (4) is provided with a beam splitting surface (4-1); the reflecting prism (5) is provided with a reflecting surface (5-1); the first Powell prism (6) is provided with a first incidence curved surface (6-1); the second Powell prism (7) is provided with a second incidence curved surface (7-1); the laser diode (2) is arranged and fixed in the laser diode mounting part (1-1); the collimating mirror (3) is arranged and fixed in the collimating mirror mounting part (1-2); the gluing beam splitting prism (4) and the first Powell prism (6) are sequentially arranged and fixed in the first line laser shaping part (1-3) from top to bottom; the reflecting prism (5) and the second Bowilt prism (7) are sequentially arranged and fixed in the second line laser shaping part (1-4) from top to bottom; the central axes of the laser diode (2), the collimating mirror (3) and the first Powell prism (6) are coincident; the first incident curved surface (6-1) of the first Powell prism (6) and the second incident curved surface (7-1) of the second Powell prism (7) are in the same horizontal direction; the light splitting surface (4-1) of the glued beam splitting prism (4) and the reflecting surface (5-1) of the reflecting prism (5) form an included angle of 45 degrees with the horizontal plane, and the geometric centers of the light splitting surface and the reflecting surface are on the same horizontal line; the central axis of the first Bowell prism (6) passes through the geometric center of the light splitting surface (4-1) of the glued light splitting prism (4); the central axis of the second Bowell prism (7) passes through the geometric center of the reflecting surface (5-1) of the reflecting prism (5).
2. A two-wire laser shaping device as defined in claim 1 wherein: the laser diode mounting part (1-1) can move up and down along the vertical direction relative to the collimating mirror mounting part (1-2) with high resolution and high precision.
3. A two-wire laser shaping device as defined in claim 1 wherein: the second line laser shaping part (1-4) can horizontally move relative to the first line laser shaping part (1-3) along the horizontal direction with high resolution and high precision.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202322718233.2U CN220795589U (en) | 2023-10-11 | 2023-10-11 | Double-line laser shaping device |
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Application Number | Priority Date | Filing Date | Title |
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CN202322718233.2U CN220795589U (en) | 2023-10-11 | 2023-10-11 | Double-line laser shaping device |
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CN220795589U true CN220795589U (en) | 2024-04-16 |
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CN202322718233.2U Active CN220795589U (en) | 2023-10-11 | 2023-10-11 | Double-line laser shaping device |
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2023
- 2023-10-11 CN CN202322718233.2U patent/CN220795589U/en active Active
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