CN218675537U

CN218675537U - Lens compression 40W laser beam combining device

Info

Publication number: CN218675537U
Application number: CN202223336649.XU
Authority: CN
Inventors: 吴勇兵
Original assignee: Dongguan Lanyu Laser Co ltd
Current assignee: Dongguan Lanyu Laser Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-03-21
Anticipated expiration: 2032-12-14

Abstract

The utility model discloses a lens compression 40W laser closes and restraints device, including first main part, the both sides on first main part top all have the second main part through fixed screw fixed mounting, and the middle part fixed mounting on first main part top has the lens to place the medium plate, and one side fixed mounting that the medium plate top was placed to the lens has a plurality of laser to close and restraints the mechanism, and per two adjacent lasers all staggered arrangement that restraints the mechanism, and a plurality of laser all include first speculum and laser diode to restraint the mechanism, the utility model discloses lens compression 40W laser closes and restraints device through setting up laser and restraints the mechanism, replaces traditional integral type prism, and the laser that laser diode launches loops through aspheric lens, concave surface column mirror, convex surface column mirror and first speculum then closes and restraints to the polarizer head, and the waveguide piece is exported from focusing lens at last, has reduced the volume that laser closed and restrainted device self, and the follow-up inspection maintenance is carried out to it to the lens compression personnel of being convenient for.

Description

Lens compression 40W laser beam combining device

Technical Field

The utility model relates to a laser beam combining device technical field specifically is lens compression 40W laser beam combining device.

Background

With the improvement of the power of the laser beam combining device, the application range of the laser beam combining device is enlarged, high-energy laser generated by the laser beam combining device can be used for cutting, drilling, welding and surface treatment of various materials and even lens compression, and the compressed lens is reduced in thickness and increased in comfort compared with the traditional lens, so that the lens is widely used.

However, the conventional laser beam combining device has the following disadvantages:

the mechanism that closes to restrainting to laser on traditional laser beam combining device generally formula prism as an organic whole, this laser beam combining device self that just leads to using is too big, and the structure is complicated, and the follow-up inspection maintenance to it of lens compression personnel of being inconvenient for.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lens compression 40W laser closes and restraints device to solve the general formula prism as an organic whole that closes the mechanism that restraints to laser on the traditional laser beam combination device that proposes in the above-mentioned background art, this laser beam combination device self that just leads to using is bulky, and the structure is complicated, the follow-up problem of carrying out the inspection and maintenance to it of lens compression personnel of being not convenient for.

In order to achieve the above object, the utility model provides a following technical scheme: the lens compression 40W laser beam combining device comprises a first main body, wherein second main bodies are fixedly mounted on two sides of the top end of the first main body through fixing screws, a lens placing middle plate is fixedly mounted in the middle of the top end of the first main body, a plurality of laser beam combining mechanisms are fixedly mounted on one side of the top end of the lens placing middle plate and respectively comprise a first reflector and a laser diode, a second reflector is fixedly mounted on the other side of the top end of the lens placing middle plate, a waveguide plate is fixedly mounted on the surface of the lens placing middle plate, a polarization lens is fixedly mounted on one side of the waveguide plate, an upper cover is arranged above the first main body, a focusing lens penetrating through the upper cover is fixedly mounted on one side of the polarizer, which is far away from the waveguide plate, the first reflector and the second reflector are mutually matched to enable laser to vertically penetrate into the waveguide plate, the laser penetrates through the waveguide plate to limit the inclination of the laser, so that the laser vector can be transmitted on a long distance along the transmission direction, then the laser passes through the polarizer head, the polarizer head removes and filters out light rays in a focusing beam, imaging is increased, and finally, the contrast of the laser beam is utilized to form a high-energy spot of the laser beam.

Preferably, one side fixed mounting of first speculum has the convex surface post mirror, one side that first speculum was kept away from to the convex surface post mirror is equipped with the concave surface post mirror, one side fixed mounting that the convex surface post mirror was kept away from to the concave surface post mirror has laser tube clamping ring, the internally mounted of laser tube clamping ring has aspheric lens, one side that aspheric lens was kept away from to the laser tube clamping ring is connected with one side fixed connection of laser diode, laser diode works as light-emitting source circular telegram back light-emitting, the laser that laser diode launches passes through aspheric lens, and aspheric lens not only can effectively eliminate spherical aberration, can also eliminate the aberration of other forms that lens produced, and then light transmission to the concave surface post mirror, and the light that is on a parallel with concave surface post mirror primary optical axis strikes the concave surface post mirror on, and reflected light has converged a bit, so the concave surface post mirror has the effect of converging to light, and the laser light after the convergence passes through the convex surface post mirror, convex surface post mirror and first speculum can change laser beam diameter and divergence angle.

Preferably, a plurality of the bottom of concave surface cylinder, the bottom of a plurality of convex surface cylinder and the bottom of a plurality of first speculum all place medium plate fixed connection with the lens, and the laser closes and restraints the mechanism and installs on the lens places the medium plate through concave surface cylinder, convex surface cylinder and first speculum.

Preferably, the upper cover is connected with the first main body in a clamping mode, the upper cover is made of polytetrafluoroethylene materials, and the laser beam combining mechanism mounted above the upper cover is protected from dust from the outer side of the first main body.

Preferably, the two sides of the second main body, which face away from each other, are fixedly provided with circuit boards, and a group of related electronic devices are connected and fixed through the circuit boards to form an electronic circuit with a specific function.

Preferably, every two adjacent laser beam combining mechanisms are arranged in a staggered mode.

Preferably, the gravity centers of a plurality of the convex cylindrical lenses are respectively on the same straight line with the gravity centers of a plurality of the concave cylindrical lenses.

Preferably, the inner diameters of the laser tube compression rings are matched with the outer diameters of the aspheric lenses respectively.

Compared with the prior art, the beneficial effects of the utility model are that: through setting up the laser beam combining mechanism, replace traditional integral type prism, the laser that laser diode launches loops through aspheric lens, concave surface column mirror, convex surface column mirror and first speculum then closes to restrainting to the polarizer head, and the waveguide piece is exported from focusing lens at last, has reduced the volume that laser beam combines device self, and the follow-up inspection maintenance to it of lens compression personnel of being convenient for.

Drawings

Fig. 1 is one of the explosion diagrams of the present invention;

fig. 2 is a second exploded view of the present invention;

fig. 3 is a third explosion diagram of the present invention;

fig. 4 is a fourth of the explosion diagram of the present invention.

In the figure: 1. a first body; 2. a second body; 3. a circuit board; 4. a lens placing middle plate; 5. a laser beam combining mechanism; 51. a laser diode; 52. pressing a ring by using a laser tube; 53. an aspherical lens; 54. a concave cylindrical mirror; 55. a convex cylindrical lens; 56. a first reflector; 6. an upper cover; 7. a focusing lens; 8. a second reflector; 9. a waveguide sheet; 10. a polarizing lens.

Detailed Description

The technical solution in 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.

Please refer to fig. 1-4, the utility model provides a lens compression 40W laser beam combining device, including first main part 1, the both sides on first main part 1 top all have second main part 2 through fixed screw fixed mounting, the middle part fixed mounting on first main part 1 top has the lens to place medium plate 4, one side fixed mounting that medium plate 4 top was placed to the lens has a plurality of laser beam combining mechanism 5, a plurality of laser beam combining mechanism 5 all includes first speculum 56 and laser diode 51, the opposite side fixed mounting that medium plate 4 top was placed to the lens has second mirror 8, the fixed surface that medium plate 4 was placed to the lens has waveguide piece 9, one side fixed mounting of waveguide piece 9 has polarization camera lens 10, the top of first main part 1 is equipped with upper cover 6, one side fixed mounting that waveguide piece 9 was kept away from to polarizer head 10 has the focusing lens 7 that passes through upper cover 6, first speculum 56 and second mirror 8 mutually support and make on the waveguide piece 9 that the laser hangs down, the laser beam passes through waveguide piece 9 and leads to realize the laser along the slope of propagation in the propagation direction of propagation simultaneously, then, filter the filter, the polarization camera lens 7 and the laser beam increases the light spot, the laser beam of the last laser beam that the laser beam formation is passed through polarization camera lens 7, the polarization camera lens forms the high contrast light energy, the high light energy, the laser beam of the light of the formation of light is got rid of the light spot, the laser beam formation of the laser beam.

A convex cylindrical lens 55 is fixedly mounted on one side of the first reflecting mirror 56, a concave cylindrical lens 54 is arranged on one side of the convex cylindrical lens 55 far away from the first reflecting mirror 56, a laser tube pressing ring 52 is fixedly mounted on one side of the concave cylindrical lens 54 far away from the convex cylindrical lens 55, an aspheric lens 53 is mounted inside the laser tube pressing ring 52, one side of the laser tube pressing ring 52 far away from the aspheric lens 53 is fixedly connected with one side of the laser diode 51, the laser diode 51 serves as a light emitting source and works after being electrified, laser emitted by the laser diode 51 passes through the aspheric lens 53, the aspheric lens 53 can effectively eliminate spherical aberration and other forms of aberration generated by the lens, then the light is transmitted to the concave cylindrical lens 54, after the light parallel to the main optical axis of the concave cylindrical lens 54 strikes the concave cylindrical lens 54, the reflected light is converged to a point, so that the concave cylindrical lens 54 has a converging effect on the light, the converged laser light passes through the convex cylindrical lens 55, and the convex cylindrical lens 55 and the first reflecting mirror 56 can change the diameter and the divergence angle of the laser beam.

The bottom of a plurality of concave surface cylinder 54, the bottom of a plurality of convex surface cylinder 55 and the bottom of a plurality of first speculum 56 all place medium plate 4 fixed connection with the lens, and laser closes and restraints mechanism 5 and installs on the lens places medium plate 4 through concave surface cylinder 54, convex surface cylinder 55 and first speculum 56.

The upper cover 6 is connected with the first body 1 in a clamping mode, the upper cover 6 is made of polytetrafluoroethylene materials, and the laser beam combining mechanism 5 mounted above the upper cover 6 is protected from dust from the outer side of the first body 1.

The two second bodies 2 are fixedly provided with circuit boards 3 at the sides deviating from each other, and a group of related electronic devices form an electronic circuit with a specific function through the connection and fixation of the circuit boards 3.

Every two adjacent laser beam combining mechanisms 5 are arranged in a staggered mode.

The centers of gravity of the plurality of convex cylindrical lenses 55 are respectively aligned with the centers of gravity of the plurality of concave cylindrical lenses 54.

The inner diameters of the laser tube compression rings 52 are matched with the outer diameters of the aspheric lenses 53 respectively.

When the embodiment of the application is used: the laser diode 51 is used as a light emitting source and works after being electrified, laser emitted by the laser diode 51 passes through the aspheric lens 53, the aspheric lens 53 can effectively eliminate spherical aberration and can also eliminate aberration in other forms generated by the lens, then the light is transmitted to the concave cylindrical lens 54, light parallel to the main optical axis of the concave cylindrical lens 54 is irradiated onto the concave cylindrical lens 54, reflected light is converged to one point, so that the concave cylindrical lens 54 has a convergence effect on the light, the converged laser light passes through the convex cylindrical lens 55, the diameter and the divergence angle of the laser beam can be changed by the convex cylindrical lens 55 and the first reflecting lens 56, the first reflecting lens 56 and the second reflecting lens 8 are matched with each other to enable the laser to vertically enter the waveguide sheet 9, the laser passes through the waveguide sheet 9 to limit the inclination of the wave vector along the propagation direction and simultaneously realize the propagation of the laser on a large distance, then the laser passes through the polarizer head 10, the polarizer head 10 excludes and filters out the light in the light beam, imaging contrast is increased, finally, the laser passes through the focusing lens 7, and the energy of the laser beam is utilized to form a light spot with high-energy compression density for long-distance personnel to use.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. Lens compression 40W laser beam combining device includes first main part (1), its characterized in that: the utility model discloses a laser beam combining mechanism, including first main part (1), middle part fixed mounting on first main part (1) top has the lens to place medium plate (4), the lens is placed one side fixed mounting on medium plate (4) top and is had second main part (2) all through fixed screw fixed mounting, the middle part fixed mounting on first main part (1) top has the lens to place medium plate (4), one side fixed mounting that medium plate (4) top was placed to the lens has a plurality of laser beam combining mechanism (5), a plurality of laser beam combining mechanism (5) all include first speculum (56) and laser diode (51), the opposite side fixed mounting that medium plate (4) top was placed to the lens has second mirror (8), the fixed surface that medium plate (4) was placed to the lens installs waveguide sheet (9), one side fixed mounting of waveguide sheet (9) has polarization lens (10), the top of first main part (1) is equipped with upper cover (6), one side fixed mounting that polarization lens (10) kept away from waveguide sheet (9) has focus lens (7) that run through upper cover (6).

2. The lens compression 40W laser beam combining device of claim 1, wherein: one side fixed mounting of first speculum (56) has convex surface column mirror (55), one side that first speculum (56) was kept away from in convex surface column mirror (55) is equipped with concave surface column mirror (54), one side fixed mounting that convex surface column mirror (55) was kept away from in concave surface column mirror (54) has laser pipe clamping ring (52), the internally mounted of laser pipe clamping ring (52) has aspheric lens (53), one side that aspheric lens (53) were kept away from in laser pipe clamping ring (52) and one side fixed connection of laser diode (51).

3. The lens compression 40W laser beam combining device of claim 2, wherein: the bottom ends of the concave cylindrical lenses (54), the bottom ends of the convex cylindrical lenses (55) and the bottom ends of the first reflecting mirrors (56) are fixedly connected with the lens placing middle plate (4).

4. The lens compression 40W laser beam combining device of claim 1, wherein: the upper cover (6) is connected with the first main body (1) in a clamping mode.

5. The lens compression 40W laser beam combining device of claim 1, wherein: two equal fixed mounting of one side that second main part (2) deviates from mutually has circuit board (3).

6. The lens compression 40W laser beam combining device of claim 1, wherein: every two adjacent laser beam combining mechanisms (5) are arranged in a staggered mode.

7. The lens compression 40W laser beam combining device of claim 2, wherein: the gravity centers of a plurality of the convex cylindrical lenses (55) are respectively on the same straight line with the gravity centers of a plurality of the concave cylindrical lenses (54).

8. The lens compression 40W laser beam combining device of claim 2, wherein: the inner diameters of the laser tube compression rings (52) are matched with the outer diameters of the aspheric lenses (53) respectively.