CN215989628U

CN215989628U - Laser device light combining device

Info

Publication number: CN215989628U
Application number: CN202122277607.2U
Authority: CN
Inventors: 时林勋; 金朝龙
Original assignee: Suzhou Hengkuai Laser Technology Co ltd
Current assignee: Suzhou Hengkuai Laser Technology Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-03-08
Anticipated expiration: 2031-09-18

Abstract

The application relates to a laser instrument closes optical device includes: the integrated cabinet is internally provided with two lasers in parallel along the length direction of the integrated cabinet, and the outlets of the two lasers face the same direction; the light combining box is arranged at one end of the integration cabinet in the length direction, the length direction of the light combining box is parallel to the length direction of the integration cabinet, and a through hole for light beams to pass through is formed in the light combining box; the fixed shaft horizontally penetrates through a vertical side wall in the length direction of the light-combining box, and a reflector is connected to one end ball of the fixed shaft positioned in the light-combining box; and the film polaroid is arranged on the other vertical inner side wall of the light combining box, and one end of the light combining box in the length direction is provided with a light outlet. The positions of the reflector and the film polaroid can be adjusted, so that the laser device can be better adapted to the light combination process of different lasers, and the light combination process is more accurate.

Description

Laser device light combining device

Technical Field

The application relates to the technical field of lasers, in particular to a laser light combining device.

Background

The laser tube is totally called a glass sealed CO2 laser. The laser tube can be used for emitting laser with different intensities, so that the laser tube is used for processing work such as cutting and trimming.

In the use scene facing certain high power, such as thick steel plate cutting, the existing method is to increase the length of the resonant cavity by folding the optical path, so as to obtain a larger power output. In other words, the length of the discharge tube is increased, but the laser tube has a high requirement for the levelness of the laser light, and when the length of the discharge tube in the laser tube is long, the discharge tube is bent, so that part of the laser light is blocked by the bent inner side wall, and the degree of laser polymerization is reduced.

Therefore, the chinese utility model patent with the publication number CN204067847U discloses a laser beam synthesizer, which comprises a first laser tube, a second laser tube, a reflector and a thin film polarizer, wherein the first laser tube is parallel to the second laser tube, the reflector is parallel to the thin film polarizer, the thin film polarizer comprises a first thin film polarizer surface and a second thin film polarizer surface, and the included angle formed by the light beam emitted from the second laser tube and the first thin film polarizer surface is the brewster angle. The utility model discloses a carry out the light path with two laser tubes that have linear polarization output and merge, output is 2 times of single laser tube output.

However, the reflection angle of the light in the above related art is completely fixed, and is only suitable for debugging and installation of one laser, and when lasers with different sizes or installation angles are different, the reflection of the light source will have a certain error, and the accuracy and adaptability of light combination will be reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the application provides a laser device light combining device, which has the advantages of adjustable light combining angle, strong adaptability and stable light combining precision.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

a laser light combining device, comprising:

the integrated cabinet is internally provided with two lasers in parallel along the length direction of the integrated cabinet, and the outlets of the two lasers face the same direction;

the light combining box is arranged at one end of the integration cabinet in the length direction, the length direction of the light combining box is parallel to the length direction of the integration cabinet, and a through hole for light beams to pass through is formed in the light combining box;

the fixed shaft horizontally penetrates through a vertical side wall in the length direction of the light-combining box, and a reflector is connected to one end ball of the fixed shaft positioned in the light-combining box;

and the film polaroid is arranged on the other vertical inner side wall of the light combining box, and one end of the light combining box in the length direction is provided with a light outlet.

Realize above-mentioned technical scheme, concentrate between two lasers and place in integrated cabinet to can regard as a whole transportation, it is very convenient to use, and the reflector is the ball joint setting on closing the light box, thereby conveniently adjusts the angle of reverberation, makes the light of two lasers more tend to perfect overlapping together, thereby the more accurate realization closes the stack of optical power.

As a preferred embodiment of the present application, the thin-film polarizer is detachably attached to the light-combining box.

By adopting the technical scheme, the film polaroid can be conveniently detached and maintained, so that the quality of the film polaroid is ensured, and the light combination precision is ensured.

As an optimal scheme of this application, it is equipped with the fixed plate perpendicularly to close on the light box length direction inside wall, offer the hole that is used for light to pass through on the fixed plate, the fixed plate is close to the fixed regulating plate that is equipped with in one side that closes the light box, the regulating plate is improved level and is equipped with the regulation hole, regulation hole internal thread connection has adjusting bolt, the film polaroid sets up on the fixed plate.

According to the technical scheme, the fixing plate can be adjusted in a sliding mode along the length direction of the light combining box through the adjusting plate, the adjusting holes and the adjusting bolts, so that the position of the film polaroid can be adjusted, and the light combining process is more accurate.

As a preferred scheme of this application, the vertical T-slot that is equipped with on the fixed plate, the T-slot slides and is equipped with the mounting panel, be equipped with on the mounting panel with T-slot sliding fit's T-shaped piece, be equipped with the setting element that is used for the fixed mounting board position on the fixed plate.

Realize above-mentioned technical scheme, the film polaroid can rely on the mounting panel to carry out the position control of vertical direction simultaneously to make the film polaroid can carry out and adjust respectively along the direction that closes light box length direction and perpendicular light box length, thereby can adapt to the regulation demand that closes the light better, improve self suitability.

As a preferable aspect of the present application, the positioning member is a positioning bolt of the vertical fixing plate, and a bottom end of the positioning bolt abuts against the T-shaped block.

According to the technical scheme, the specific structure of the positioning assembly is provided, and the positioning assembly is convenient to install.

As a preferred scheme of this application, be equipped with the support frame in the integrated cabinet, the lateral wall at the laser instrument is established to the support frame cover.

According to the technical scheme, the supporting frame can provide supporting force for the laser in the vertical direction, bending deformation of the laser in the radial direction is reduced, and light combination accuracy is guaranteed.

As an optimal scheme of this application, integrated cabinet inside wall is equipped with the guide way, be equipped with the guide block on the vertical lateral wall of support frame, the support frame slides and sets up in integrated cabinet.

According to the technical scheme, the supporting frame can adjust different positions, supporting force can be provided for lasers with different length sizes at the most appropriate position, light combination accuracy is further improved, and light combination quality is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the laser devices are installed together in a centralized mode, so that the laser device is more convenient to use, and the angle of the reflector can be adjusted, so that the reflecting requirements of different sizes or installation angles can be met conveniently, and the light combining process is more accurate;

2. the film polarizing film is detachably arranged on the light combining box, so that the film polarizing film is convenient to replace and can meet different light combining requirements;

3. can slide along the length direction who closes the light box through setting up the fixed plate, set up the mounting panel at the fixed plate and can slide along vertical direction to can drive the film polaroid and carry out vertical direction and horizontal direction's displacement, adjust more diversified, the suitability is stronger.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of the overall structure of a system light combining device;

FIG. 2 is a schematic view primarily intended to show the internal mechanisms of the integrated cabinet;

FIG. 3 is a schematic view primarily intended to show the mirror connection;

fig. 4 is a schematic view mainly showing a connection structure of the fixing plate and the adjusting plate.

Reference numerals: 1. an integration cabinet; 2. a laser; 3. a light combining box; 31. a through hole; 32. a light outlet; 4. a fixed shaft; 5. a reflective mirror; 6. a thin film polarizer; 7. a fixing plate; 71. an inner bore; 8. an adjusting plate; 81. an adjustment hole; 82. adjusting the bolt; 9. a T-shaped slot; 10. mounting a plate; 11. a positioning member; 12. a support frame; 121. a guide groove; 13. a shielding plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

Referring to fig. 1 and 2, a laser light combining device disclosed in the embodiment of the present application includes a rectangular integrated cabinet 1, two lasers 2 are disposed in parallel along a length direction of the integrated cabinet 1, and the two lasers 2 are disposed in the same direction; be equipped with the support frame 12 that is used for radially supporting laser instrument 2 in integrated cabinet 1, be equipped with two support holes that are used for laser instrument 2 to pass on support frame 12, in order to adapt to the support of different length size laser instrument 2 more balanced accurately, be equipped with guide way 121 along self length direction in the bottom surface of integrated cabinet 1, the bottom of support frame 12 has the guide block with guide way 121 complex to can slide along the length direction of integrated cabinet 1.

Referring to fig. 2 and 3, an end fixedly connected with of integrated cabinet 1 length direction closes light box 3, the parallel integrated cabinet 1 length direction of length direction who closes light box 3, set up two through-holes 31 that are used for the laser to pass through on closing light box 3 towards laser instrument 2's a lateral wall, set up the light-emitting window 32 that the laser passed at closing light box 3 and deviating from laser instrument 2's a side, be equipped with reflector 5 at a lateral wall that closes light box 3 length direction, reflector 5's mounting structure specifically is: a fixing shaft 4 penetrates through one side wall of the light combining box 3 in the length direction, a reflecting mirror 5 is in ball joint with the end portion, located inside the light combining box 3, of the fixing shaft 4, and the angle of the reflecting mirror 5 can be adjusted, so that the light combining box is suitable for use requirements of different conditions.

Referring to fig. 3 and 4, a film polarizer 6 is disposed on the other side wall of the light combining box 3 in the length direction, the laser emitted by one of the lasers 2 is completely reflected to the film polarizer 6 by the reflector 5 and is refracted, and the other laser directly passes through the film polarizer 6 and is overlapped with the refracted laser, so that the intensity of the laser after light combining is improved, and the improvement of the laser power is further realized.

Referring to fig. 3 and 4, the thin film polarizer 6 is detachably connected to the light-combining box 3, specifically: close and be equipped with fixed plate 7 on the vertical inside wall of light box 3 length direction perpendicularly, offer the hole 71 that is used for light to pass through on the fixed plate 7, fixed plate 7 is close to the fixed regulating plate 8 that is equipped with in one side of closing light box 3, regulating plate 8 and the laminating of the vertical inside wall that closes light box 3, regulating plate 8 is improved level and is equipped with regulation hole 81, run through regulation hole 81 simultaneously and close light box 3 inside wall and be equipped with adjusting bolt 82, should set for and make fixed plate 7 can slide along the length direction who closes light box 3, thereby it removes to drive film polaroid 6.

Referring to fig. 3 and 4, a T-shaped groove 9 is vertically formed in the fixing plate 7, a mounting plate 10 is slidably disposed in the T-shaped groove 9, a T-shaped block in sliding fit with the T-shaped groove 9 is disposed on the mounting plate 10, a positioning member 11 for fixing the position of the mounting plate 10 is disposed on the fixing plate 7, the positioning member 11 is set as a positioning bolt in this embodiment, and the mounting plate 10 is screwed after being moved to a certain position, so that the end of the positioning bolt abuts against the mounting plate 10. A shielding plate 13 is horizontally arranged on the mounting plate 10, the film polarizer 6 is fixedly connected to the bottom surface of the shielding plate 13, and the shielding plate 13 plays a role in shielding light and dust.

The implementation principle of the laser light combining device in the embodiment of the application is as follows: the reflector 5 is ball-jointed on the fixed shaft 4, and can be adjusted towards all directions only by breaking the reflector 5;

the fixing plate 7 can be slid along the length direction of the light-combining box 3 by loosening the adjusting bolt 82, namely, the film polarizer 6 is driven to slide along the length direction of the light-combining box 3, and the mounting plate 10 can be slid along the vertical direction by loosening the positioning bolt, so that the film polarizer 6 is driven to be adjusted in the vertical direction.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A laser beam combining device, comprising:

the integrated cabinet (1), two lasers (2) are arranged in the integrated cabinet (1) in parallel along the length direction of the integrated cabinet, and the outlet directions of the two lasers (2) are the same;

the light combining box (3) is arranged at one end of the integration cabinet (1) in the length direction, the length direction of the light combining box (3) is parallel to the length direction of the integration cabinet (1), and a through hole (31) for light beams to pass through is formed in the light combining box (3);

a fixed shaft (4) horizontally penetrates through a vertical side wall in the length direction of the light-combining box (3), and a reflector (5) is connected to one end ball of the fixed shaft (4) positioned in the light-combining box (3);

and the film polaroid (6) is arranged on the other vertical inner side wall of the light combining box (3), and one end of the light combining box (3) in the length direction is provided with a light outlet (32).

2. The laser beam combining device according to claim 1, wherein: the film polaroid (6) is detachably connected to the light-combining box (3).

3. The laser beam combining device according to claim 2, wherein: close and be equipped with fixed plate (7) on light box (3) length direction inside wall perpendicularly, offer hole (71) that are used for light to pass through on fixed plate (7), fixed plate (7) are close to one side that closes light box (3) and are fixed and are equipped with regulating plate (8), regulating plate (8) are improved level and are equipped with regulation hole (81), regulation hole (81) female connection has adjusting bolt (82), film polaroid (6) set up on fixed plate (7).

4. The laser beam combining device according to claim 3, wherein: the fixing plate is characterized in that a T-shaped groove (9) is vertically formed in the fixing plate (7), a mounting plate (10) is arranged in the T-shaped groove (9) in a sliding mode, a T-shaped block in sliding fit with the T-shaped groove (9) is arranged on the mounting plate (10), and a positioning piece (11) used for fixing the position of the mounting plate (10) is arranged on the fixing plate (7).

5. The device of claim 4, wherein: the positioning piece (11) is a positioning bolt of the vertical fixing plate (7), and the bottom end of the positioning bolt abuts against the T-shaped block.

6. The laser beam combining device according to claim 1, wherein: be equipped with support frame (12) in integrated cabinet (1), the lateral wall at laser instrument (2) is established to support frame (12) cover.

7. The device of claim 6, wherein: the integrated cabinet (1) inside wall is equipped with guide way (121), be equipped with the guide block on the vertical lateral wall of support frame (12), support frame (12) slide to set up in integrated cabinet (1).