CN203900732U - Laser processing head capable of monitoring quality of laser beams - Google Patents
Laser processing head capable of monitoring quality of laser beams Download PDFInfo
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- CN203900732U CN203900732U CN201420213294.1U CN201420213294U CN203900732U CN 203900732 U CN203900732 U CN 203900732U CN 201420213294 U CN201420213294 U CN 201420213294U CN 203900732 U CN203900732 U CN 203900732U
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Abstract
The utility model relates to a laser processing head capable of monitoring the quality of laser beams. The laser processing head comprises a laser output head connecting piece, a light splitting module, a laser beam monitoring module and a laser processing head main body, and is characterized in that the laser output head connecting piece, the laser beam monitoring module and the laser cutting head main body are respectively fixed to the light splitting module through screws, input laser beams penetrate the laser output head connecting piece to enter the light splitting module, the light splitting module achieves transmission of part of the laser beams and continually transmit the laser beams to the laser beam monitoring module in the original direction, and part of the laser beams is reflected and deflected by 90 degrees and transmitted to the laser processing head main body. The laser processing head can be used for monitoring the quality of laser beams in real time during laser cutting and laser welding, almost causes no energy loss, is excellent in controllability, simple to operate and high in reaction speed, guarantees the consistency of laser processing quality and promotes improvement of a laser.
Description
Technical field
The utility model relates to the laser Machining head of monitoring laser beam quality in a kind of Laser Processing, can be in Laser Processing (as laser cutting or laser weld) beam quality of detection laser beam in real time, belong to field of laser processing.
Background technology
It is good that laser has monochromaticjty, and coherence is good, the feature of good directionality, and be easy to be connected with computer and realize automation and control.Therefore, laser processing technology occupies more and more important position in modern manufacturing industry.Laser beam quality is the key factor that affects materials processing mode and quality.In laser processing procedure, often have the inhomogeneous phenomenon of crudy, may to be that beam quality is unstable cause its reason.Therefore, the stability of Real-Time Monitoring laser beam in laser processing procedure, can guarantee the uniformity of crudy, can also find in time the potential problems of laser instrument, and the improvement of laser technique is played an important role.
The producer of doing in the market laser Machining head is a lot, and the patent about laser cutting head, laser welding system has up to a hundred every year.Kind and the function of laser Machining head are more and more abundanter, as the function with changes in material in automatic focusing function, CCD Real Time Observation process, automatically change the function of focusing lens etc., but do not have a can be in process the laser Machining head of Real-Time Monitoring laser beam quality.
Therefore, develop a can normal process again can Real-Time Monitoring laser beam quality laser Machining head, seem very necessary.
Summary of the invention
The utility model is intended to solve a difficult problem for Real-Time Monitoring laser beam quality in laser processing procedure at present, a kind of laser Machining head of monitoring laser beam quality is proposed, laser processing technology and independent measurement laser beam quality are combined, invent a kind of laser Machining head of monitoring laser beam quality.The laser Machining head of this monitoring laser beam quality had both had traditional Laser Processing ability, had again the ability of Real-Time Monitoring laser beam quality.
The technical solution of the utility model is:
The laser Machining head of monitoring laser beam quality, comprise laser instrument delivery connector, spectral module, laser beam monitoring modular, Laser Processing head main body, it is characterized in that: laser instrument delivery connector, laser beam monitoring modular, laser cutting head main body are screwed in respectively on spectral module, and make the laser beam of input enter spectral module through laser instrument delivery connector, wherein spectral module continues to propagate into laser beam monitoring modular by part laser beam transmission along former direction, and the reflection of part laser beam partially turn 90 degrees direction and propagates into Laser Processing head main body.
Described laser instrument delivery connector is the connector with collimation or expanded beam optics eyeglass, fixedly QBH or QCS laser instrument delivery.
Described spectral module is with 3 connected light holes, and light splitting eyeglass, microscope base, adjusting screw(rod) are equipped with in inside, and side is equipped with respectively retaining thread hole.
Described light splitting eyeglass is transparent material substrate, plated surface reflectance coating, and reflecting surface and incident ray are 45 degree angles.
Lens set, laser beam quality analyzer are equipped with in described laser beam monitoring modular inside, and have dust reduction capability.Described laser beam quality analyzer be can with the CCD or the CMOS laser beam receiver that are connected computer.
Described lens set is comprised of laser beam-shrinked mirror and laser attenuation sheet.
Described Laser Processing head main body is laser cutting head main body or laser weld head main body.
The method of the laser Machining head Real-Time Monitoring of monitoring laser beam quality, is characterized in that carrying out according to the following steps:
(1), laser instrument delivery is fixed in laser instrument delivery connector;
(2), from the laser beam of laser instrument delivery output, by the optical mirror slip laser instrument delivery connector, incide on the light splitting eyeglass in spectral module;
(3), light splitting eyeglass transmissive part laser beam and reflect most of laser beam, transmissive portion laser beam continues to propagate along former direction, the laser beam direction of propagation, reflecting part turn 90 degrees partially;
(4), transmissive portion laser beam enters laser beam monitoring modular, first by a lens set, arrives laser beam quality analyzer; Described laser beam quality analyzer be can with the CCD or the CMOS laser beam receiver that are connected computer, laser beam quality analyzer carries out beam quality analysis;
(5), reflecting part laser beam reaches rapidoprint by Laser Processing head main body.
Described laser beam rapidoprint is laser cutting or laser weld.
Operation principle of the present utility model is: incoming laser beam is processed and is irradiated to a light splitting eyeglass through optical mirror slip, by spectroscope, carry out light splitting (transmission and reflection), by the laser beam of reflection through focus lamp for materials processing, and the laser beam of transmission enters laser beam quality analyzer through lens set and carries out Real-Time Monitoring laser beam quality.
Use the utility model can be in laser cutting or laser weld Real-Time Monitoring laser beam quality, almost there is no energy loss, controllability is good, simple to operate, reaction speed is fast, can guarantee the uniformity of Laser Processing quality, can also find in time the potential problems of laser instrument, the improvement of laser technique is played an important role.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 0-laser instrument delivery, 00-laser beam, 1-laser instrument delivery connector; 10-optical mirror slip, 2-spectral module, 20-light splitting eyeglass; 21-microscope base; 3-laser beam monitoring modular, 30-lens set, 31-laser beam quality analyzer; 4-Laser Processing head main body; 40-laser condensing lens, 41-laser radiation mirror, 5-rapidoprint.
The specific embodiment
First be necessary to be pointed out that at this present embodiment, only for the utility model is further described, can not be interpreted as the restriction to the utility model protection domain.
Example 1
Below in conjunction with the embodiment in accompanying drawing, take a minute light detection laser cutting head is example, further sets forth:
As shown in Figure 1, the utility model mainly comprises laser instrument delivery connector 1, spectral module 2, laser beam monitoring modular 3, laser cutting head main body 4.Spectral module 2 has light hole according to transmission direction three faces of laser beam, these three outsides are equipped with respectively 4 fixed screw holes, laser instrument delivery connector 1, laser beam monitoring modular 3, laser cutting head main body 4 is screwed on spectral module, form the laser Machining head of a monitoring laser beam quality, and make the laser beam 00 of input enter spectral module 2 through laser instrument delivery connector 1, wherein spectral module 2 continues to propagate into laser beam monitoring modular 3 by part laser beam transmission along former direction, the reflection of part laser beam partially turn 90 degrees direction and propagates into Laser Processing head main body 4.
Described laser instrument delivery connector 1, inner with laser alignment mirror, can be directional light by the laser alignment of dispersing.
Described 2, three outsides of spectral module are equipped with screwed hole and light hole, and light splitting eyeglass 20, microscope base 21, adjusting screw(rod) are equipped with in inside.Light splitting eyeglass 20 is contained in microscope base 21 by threaded pressure ring, and the reflecting surface of light splitting eyeglass and laser beam incident direction are 45 degree angles, and light splitting eyeglass is transparent material substrate, plated surface reflectance coating.By adjusting screw(rod), can finely tune the angle of 45 degree speculums and incoming laser beam, make to reflect laser beam can parallel incident laser cutting head main body 4 and laser beam center coaxial with cutting head main center.
Described laser beam monitoring modular 3, lens set 30 and CCD laser beam receiver are equipped with in inside, and outside is stamped cover and is formed confined space, has dust reduction capability.Lens set 30, CCD laser beam receiver, all with adjusting screw(rod), conveniently make transmission laser all can be detected by CCD laser beam receiver.CCD laser beam receiver is connected with computer by data wire.Computer is equipped with laser beam quality analysis software and can shows in real time CCD laser beam receiver detection laser beam data.
Described laser cutting head main body 4, top is connected with spectral module 2, and nozzle is equipped with in bottom, and focus lamp 40, protective glass 41 are equipped with in inside, identical with conventional laser cutting head main body.
The method of the laser Machining head Real-Time Monitoring of monitoring laser beam quality, is characterized in that carrying out according to the following steps:
(1), laser instrument delivery 0 is fixed in laser instrument delivery connector 1;
(2), from the laser beam of laser instrument delivery 0 output, by the laser alignment mirror laser instrument delivery connector 1, incide on the light splitting eyeglass 20 in spectral module 2;
(3), light splitting eyeglass 20 transmissive part laser beams and reflect most of laser beam, transmissive portion laser beam continues to propagate along former direction, the laser beam direction of propagation, reflecting part turn 90 degrees partially;
(4), transmissive portion laser beam enters laser beam monitoring modular 2, first by a lens set 30, arrives CCD laser beam receiver, CCD laser beam receiver is connected with computer by data wire.Computer is equipped with laser beam quality analysis software and can shows in real time CCD laser beam receiver detection laser beam data;
(5), reflecting part laser beam reaches rapidoprint 5 by Laser Processing head main body 4,, nozzle is equipped with in Laser Processing head main body 4 bottoms, focus lamp 40, protective glass 41 are equipped with in inside, carry out laser cutting or laser weld.
Claims (8)
1. monitor the laser Machining head of laser beam quality, comprise laser instrument delivery connector, spectral module, laser beam monitoring modular, Laser Processing head main body, it is characterized in that: laser instrument delivery connector, laser beam monitoring modular, laser cutting head main body is screwed in respectively on spectral module, and make the laser beam of input enter spectral module through laser instrument delivery connector, wherein spectral module continues to propagate into laser beam monitoring modular by part laser beam transmission along former direction, the reflection of part laser beam partially turn 90 degrees direction and propagates into Laser Processing head main body.
2. according to the laser Machining head of monitoring laser beam quality claimed in claim 1, it is characterized in that: described laser instrument delivery connector is the connector with collimation or expanded beam optics eyeglass, fixedly QBH or QCS laser instrument delivery.
3. according to the laser Machining head of monitoring laser beam quality claimed in claim 1, it is characterized in that: described spectral module is with 3 connected light holes, and light splitting eyeglass, microscope base, adjusting screw(rod) are equipped with in inside, and side is equipped with respectively retaining thread hole.
4. according to the laser Machining head of monitoring laser beam quality claimed in claim 3, it is characterized in that: described light splitting eyeglass is transparent material substrate, plated surface reflectance coating, and reflecting surface and incident ray are 45 degree angles.
5. according to the laser Machining head of monitoring laser beam quality claimed in claim 1, it is characterized in that: lens set, laser beam quality analyzer are equipped with in described laser beam monitoring modular inside, and have dust reduction capability.
6. according to the laser Machining head of monitoring laser beam quality claimed in claim 5, it is characterized in that: described lens set is comprised of laser beam-shrinked mirror and laser attenuation sheet.
7. according to the laser Machining head of monitoring laser beam quality claimed in claim 1, it is characterized in that: described laser beam quality analyzer for can with the CCD or the CMOS laser beam receiver that are connected computer.
8. according to the laser Machining head of monitoring laser beam quality claimed in claim 1, it is characterized in that: described Laser Processing head main body is laser cutting head main body or laser weld head main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420213294.1U CN203900732U (en) | 2014-04-29 | 2014-04-29 | Laser processing head capable of monitoring quality of laser beams |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420213294.1U CN203900732U (en) | 2014-04-29 | 2014-04-29 | Laser processing head capable of monitoring quality of laser beams |
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| CN203900732U true CN203900732U (en) | 2014-10-29 |
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| CN201420213294.1U Active CN203900732U (en) | 2014-04-29 | 2014-04-29 | Laser processing head capable of monitoring quality of laser beams |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103949774A (en) * | 2014-04-29 | 2014-07-30 | 武汉锐科光纤激光器技术有限责任公司 | Laser processing head for monitoring quality of laser beam and real-time monitoring method |
| CN105772446A (en) * | 2016-05-09 | 2016-07-20 | 武汉锐科光纤激光技术股份有限公司 | Cleaning device suitable for raw material of standard component and method of cleaning device |
| CN113226630A (en) * | 2018-09-28 | 2021-08-06 | 合成燃料美国公司 | Laser cutting system for cutting articles and forming filter tubes |
-
2014
- 2014-04-29 CN CN201420213294.1U patent/CN203900732U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103949774A (en) * | 2014-04-29 | 2014-07-30 | 武汉锐科光纤激光器技术有限责任公司 | Laser processing head for monitoring quality of laser beam and real-time monitoring method |
| CN105772446A (en) * | 2016-05-09 | 2016-07-20 | 武汉锐科光纤激光技术股份有限公司 | Cleaning device suitable for raw material of standard component and method of cleaning device |
| CN105772446B (en) * | 2016-05-09 | 2019-03-01 | 武汉锐科光纤激光技术股份有限公司 | A kind of cleaning device and its method suitable for standard component raw material |
| CN113226630A (en) * | 2018-09-28 | 2021-08-06 | 合成燃料美国公司 | Laser cutting system for cutting articles and forming filter tubes |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 430074 East Lake science and technology zone, Wuhan province high tech Avenue, No. 999, the future of science and technology city of the city of Hubei Patentee after: WUHAN RAYCUS FIBER LASER TECHNOLOGIES CO., LTD. Address before: 430223 East Lake New Technology Development Zone, Huazhong University of Science and Technology, Wuhan science and technology park innovation base, building No. 10, building No. Patentee before: Wuhan Raycus Fiber Laser Technologies Co., Ltd. |