CN210908514U

CN210908514U - OLED laser cutting system

Info

Publication number: CN210908514U
Application number: CN201920847989.8U
Authority: CN
Inventors: 汪玉树; 杨雷
Original assignee: Suzhou Maxwell Technologies Co Ltd
Current assignee: Maiwei Technology Zhuhai Co ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-07-03
Anticipated expiration: 2029-06-06

Abstract

The utility model discloses a OLED laser cutting system, including laser instrument, speculum and the first beam expander that sets up in proper order, OLED laser cutting system is still including setting up the laser instrument with wave plate and beam splitter between the speculum, the laser order warp that the laser instrument sent the wave plate with it incides into many laser beam and incides and wait to process the workpiece surface to divide the beam splitter back, the speculum with first beam expander sets up in one of them laser beam path in proper order. The OLED laser cutting system is simple in structure, laser emitted by the laser can be divided into a plurality of beams to be incident on the surface of the workpiece to be processed, and meanwhile laser processing is carried out on the workpiece to be processed, so that the use efficiency of the laser can be improved, and the production capacity can be improved.

Description

OLED laser cutting system

Technical Field

The utility model relates to a laser cutting technical field, concretely relates to OLED laser cutting system.

Background

As shown in fig. 1, an OLED laser cutting system in the prior art includes a laser 1 ', a reflector 2 ' and a beam expander 3 ' that are sequentially arranged, and after laser emitted from the laser 1 ' changes a beam path by the reflector 2 ', a beam diameter is increased by the beam expander 3 ', and then the laser is incident on a surface of a workpiece 10 ' to be processed to perform laser cutting. In the OLED laser cutting system, the use efficiency of the power of the laser 1' is only 50%, and the utilization rate is low, thereby affecting the production capacity.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the problem among the prior art, provide an improved OLED laser cutting system.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides an OLED laser cutting system, is including the laser instrument, speculum and the first beam expander that set gradually, OLED laser cutting system is still including setting up the laser instrument with wave plate and beam splitter between the speculum, the laser order warp that the laser instrument sent the wave plate with divide into behind the beam splitter multibeam laser beam and incide to wait to process the work piece surface, the speculum with first beam expander sets up in one of them laser beam path in proper order.

Preferably, the wave plate is a half wave plate.

Preferably, the plurality of laser beams divided by the beam splitter are simultaneously incident on the surface of the workpiece to be processed.

Preferably, the beam splitter is a polarization beam splitter, a part of the laser beam emitted by the laser is transmitted through the polarization beam splitter, and the remaining part of the laser beam is reflected, and the reflecting mirror and the first beam expander are sequentially arranged in the path of the transmitted part of the laser beam.

Further, the two laser beams split by the polarization beam splitter are perpendicular.

Further, the energy of the two laser beams divided by the polarization beam splitter is 50% of the total energy of the laser beam emitted by the laser.

Further, a part of the transmitted laser beam is parallel to the rest of the reflected laser beam after the beam path is changed by the reflector.

Preferably, the OLED laser cutting system further includes second beam expanders, which are respectively disposed in the laser beam paths of the other laser beams except one laser beam path.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses a OLED laser cutting system simple structure can fall into the laser that the laser instrument sent into the surface that the multi-beam incides the work piece of waiting to process and treat simultaneously that the work piece carries out laser beam machining to can improve the availability factor of laser instrument, and improve the production productivity.

Drawings

FIG. 1 is a schematic structural diagram of a prior art OLED laser cutting system;

fig. 2 is a schematic structural diagram of the OLED laser cutting system of the present invention.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 2, the utility model discloses a OLED laser cutting system, including laser 1, wave plate 2, beam splitter 3, speculum 4, first beam expanding lens 5 and the second beam expanding lens 6 that set up in proper order. Laser emitted by the laser 1 is sequentially divided into a plurality of laser beams after passing through the wave plate 2 and the beam splitter 3, preferably, the plurality of laser beams are simultaneously incident on the surface of a workpiece 10 to be processed, the reflecting mirror 4 and the first beam expander 5 are sequentially arranged in the path of one laser beam, and the second beam expander 6 is respectively arranged in the paths of the other laser beams.

The beam splitter 3 is a polarization beam splitter, the laser beam emitted by the laser 1 transmits a part of the laser beam after passing through the polarization beam splitter, and reflects the rest part of the laser beam, i.e. the laser emitted by the laser 1 is divided into two parts after passing through the polarization beam splitter, and the two parts of the laser beam are perpendicular to each other. The reflecting mirror 4 and the first beam expander 5 are sequentially arranged in a part of transmitted laser beam paths, after the part of transmitted laser beams change the beam paths by using the reflecting mirror 4, the first beam expander 5 is used for collimating and expanding the beams to increase the beam diameter, and then the beams enter the surface of the workpiece 10 to be processed to carry out laser cutting on the workpiece. The rest part of the laser beam reflected by the polarization beam splitter is collimated and expanded by the second beam expander 6 to enlarge the diameter of the beam, and is incident to the surface of the workpiece 10 to be processed to perform laser cutting on the surface of the workpiece. After the beam path of a part of the transmitted laser beams is changed by the reflector 4, the part of the transmitted laser beams is parallel to the rest of the reflected laser beams, and two laser beams simultaneously process the workpiece 10 to be processed, so that the production efficiency can be improved, and the productivity can be improved.

The wave plate 2 is a half wave plate, and the polarization state of the laser can be changed to split light by adjusting the angle of the half wave plate, so that the energy of two parts of laser beams split by the polarization splitter can be 50% of the total energy of the laser beams emitted by the laser 1, thus the efficiency of the laser 1 in laser cutting can be doubled, and the laser utilization rate can reach more than 90%.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a OLED laser cutting system, includes laser instrument, speculum and the first beam expanding mirror that the order set up, its characterized in that: the OLED laser cutting system further comprises a wave plate and a beam splitter which are arranged between the laser and the reflecting mirror, laser emitted by the laser sequentially passes through the wave plate and the beam splitter and then is divided into a plurality of laser beams to be incident on the surface of a workpiece to be processed, the reflecting mirror and the first beam expanding mirror are sequentially arranged in one laser beam path, the OLED laser cutting system further comprises a second beam expanding mirror, and the second beam expanding mirror is respectively arranged in the other laser beam paths except for the one laser beam path.

2. The OLED laser cutting system of claim 1, wherein: the wave plate is a half wave plate.

3. The OLED laser cutting system of claim 1, wherein: and the laser beams divided by the beam splitter are simultaneously incident to the surface of the workpiece to be processed.

4. The OLED laser cutting system of claim 1, wherein: the beam splitter is a polarization beam splitter, a part of laser beams are transmitted by laser beams emitted by the laser after passing through the polarization beam splitter, the rest part of laser beams are reflected at the same time, and the reflecting mirror and the first beam expander are sequentially arranged in the path of the transmitted part of laser beams.

5. The OLED laser cutting system of claim 4, wherein: the two laser beams divided by the polarization beam splitter are perpendicular to each other.

6. The OLED laser cutting system of claim 4, wherein: the energy of the two laser beams divided by the polarization beam splitter is 50% of the total energy of the laser beams emitted by the laser.

7. The OLED laser cutting system of claim 4, wherein: and a part of the transmitted laser beam is parallel to the rest of the reflected laser beam after the beam path of the part of the transmitted laser beam is changed by the reflector.