CN106711742B - Dustproof lens assembly for laser output lens - Google Patents
Dustproof lens assembly for laser output lens Download PDFInfo
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- CN106711742B CN106711742B CN201710203351.6A CN201710203351A CN106711742B CN 106711742 B CN106711742 B CN 106711742B CN 201710203351 A CN201710203351 A CN 201710203351A CN 106711742 B CN106711742 B CN 106711742B
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- lens
- dustproof
- output
- cooling device
- base body
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/02—Constructional details
- H01S3/03—Constructional details of gas laser discharge tubes
- H01S3/034—Optical devices within, or forming part of, the tube, e.g. windows, mirrors
- H01S3/0346—Protection of windows or mirrors against deleterious effects
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- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention relates to the technical field of lasers, in particular to a dustproof lens component for a laser output lens, which comprises a base body, wherein the base body is connected with a cooling device of the laser output lens, the base body is also provided with a dustproof lens, the dustproof lens is detachably connected with the cooling device, the dustproof lens is positioned on a light path of the laser output laser beam, the dustproof lens is matched with the base body, and a sealing cavity is formed between the output lens and the dustproof lens. The output lens dustproof lens subassembly of this application, at in-service use in-process, at first guaranteed that output lens is in good clean state always, can take off dustproof lens and thoroughly clear up, so, guaranteed that dustproof lens is clear thoroughly, and then guarantee good laser beam output quality, still very big saving user's use cost.
Description
Technical Field
The invention relates to the technical field of lasers, in particular to a dustproof lens component for a laser output lens.
Background
Because the carbon dioxide laser has relatively high power and relatively high energy conversion efficiency, the spectral lines are relatively rich, and the laser output of tens of spectral lines is near 10 microns, the carbon dioxide laser has wide application in the aspects of industry, military, medical treatment, scientific research and the like.
The prior carbon dioxide laser generally comprises a discharge tube, a water cooling tube sleeved outside the discharge tube, a gas storage tube sleeved outside the water cooling tube, electrodes arranged at two ends of the discharge tube, and output windows and reflecting windows arranged at two ends of the gas storage tube, wherein the reflecting windows comprise reflecting lenses and reflecting lens cooling devices, the output windows comprise output lenses and output lens cooling devices, and carbon dioxide gas and other auxiliary gases are filled in the discharge tube; when a high voltage is applied to the electrode, glow discharge is generated in the discharge tube, and a laser beam is formed after reflection by the reflecting mirror and the output mirror, and the final laser beam is obtained by emitting from the output mirror.
In practical use, as the laser beam is usually used for cutting, more dust or dust particles are usually contained in the air, the air quality in the working environment is poor, dust or other impurities in the air gradually adhere to the outer side of the output lens along with the use time, so that the light-emitting efficiency of the output lens is reduced, the output quality of the laser beam is influenced, and a worker is required to wipe the output lens periodically to keep the output lens clean; on the other hand, the output lens is a precise optical element, and the output lens is also provided with a coating layer, so that the coating layer on the output lens is extremely easy to scratch in the wiping process, and the loss which is difficult to compensate is caused, and furthermore, in the current laser structure, the output lens is fixedly connected with the gas storage tube and the cooling device in a non-detachable way, so that the service life of the output lens is an important factor for determining the service life of the laser, and when the light transmittance of the output lens is reduced to a certain degree or scratched, even if other components of the laser are intact, the whole laser must be replaced, thereby increasing the use cost of a user and also seriously reducing the production efficiency.
Disclosure of Invention
The invention aims at: in the existing carbon dioxide laser, the output lens is inconvenient to clean thoroughly due to the installation structure of the output lens, the output lens is easy to scratch in the cleaning process, the quality of a laser beam is further reduced along with the increase of the service time, the use cost of a user is high, the production efficiency is reduced, and the dustproof lens assembly capable of reliably guaranteeing the cleaning of the output lens is provided.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a dustproof lens component for laser output lens, includes the pedestal, the pedestal is connected with the cooling device of laser output lens, still be provided with dustproof lens on the pedestal, dustproof lens with be detachable between the cooling device and be connected, dustproof lens is located the light path of laser output laser beam, dustproof lens with the pedestal cooperatees form a sealed cavity between output lens and the dustproof lens.
Preferably, the base body is provided with a connecting part, the connecting part is connected with the cooling device, the base body is further provided with a mounting part, and the dustproof lens is arranged on the mounting part.
Preferably, the connection portion extends into the cooling device.
Preferably, the connecting part is a hollow cylindrical structure.
Preferably, the connection part and the cooling device are detachably connected.
As another preferable scheme, the connecting part is fixedly connected with the cooling device, and the mounting part is detachably connected with the connecting part.
Preferably, the mounting portion includes a supporting portion and a pressing portion, the supporting portion is used for supporting the dustproof lens, the pressing portion is matched with the supporting portion, the dustproof lens is pressed on the supporting portion, and the supporting portion is detachably connected with the connecting portion.
Preferably, the dustproof lens assembly further comprises an elastic piece, and the elastic piece is located between the dustproof lens and the pressing part.
Preferably, the support part is detachably connected with the connecting part, and the support part is sleeved outside the connecting part.
As a further preferable aspect, the outer wall of the supporting portion is provided with a thread, and the pressing portion is of a hollow nut-shaped structure and is in threaded connection with the outer wall of the supporting portion.
Preferably, one end of the pressing part far away from the supporting part is provided with an inward protruding stop block, one side of the elastic piece is matched with the dustproof lens, and the other side of the elastic piece is matched with the stop block.
Preferably, the connecting portion and the supporting portion are made of a material with high thermal conductivity, and the material with high thermal conductivity in the application is a material with good thermal conductivity, such as a copper material, a copper alloy material, a silver material, and the like.
The application also discloses a laser instrument, including the gas storage tube, the one end of gas storage tube is provided with the reflector lens, and the other end is provided with output lens, be provided with cooling device on the output lens, be provided with foretell dustproof lens subassembly on the cooling device.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
the output lens dustproof lens component is characterized in that the outer side of the output lens is positioned in the closed cavity in the actual use process, and the laser beam of the laser passes through the dustproof lens after passing through the output lens, so that the output lens is always in a good cleaning state; furthermore, in the process of cleaning the dustproof lens, on one hand, only the dustproof lens can be taken down without detaching the whole laser from the working position, so that the whole cleaning process is convenient, and the adjustment procedure of the mounting position of the laser is saved; in addition, when the dustproof lens is detached, the clean dustproof lens can be replaced at the same time, so that the laser can still work in the process of cleaning the dustproof lens, and the production efficiency is further improved; still further, the pedestal of this application is connected with cooling device, and in the use, the pedestal can be with the heat transfer on the dustproof lens cooling device, so, also guarantees to make the dustproof lens can be by good heat dissipation.
Drawings
FIG. 1 is a partial cross-sectional view of a dustproof lens assembly of the present application mated with an output lens cooling device;
figure 2 is a schematic view of the dustproof lens and the cooling device when separated,
the marks in the figure: 1-connecting part, 2-cooling device, 3-installation part, 4-dustproof lens, 5-supporting part, 6-clamping part, 7-elastic piece, 8-stop, 9-output lens, 10-gas storage tube.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1, as shown in figures 1 and 2:
a dustproof lens assembly for laser output lens, includes the pedestal, the pedestal is connected with cooling device 2 of laser output lens 9, still be provided with dustproof lens 4 on the pedestal, dustproof lens 4 with be detachable between the cooling device 2 and be connected, dustproof lens 4 is located the light path of laser output laser beam, dustproof lens 4 with the pedestal cooperates form a sealed cavity between output lens 9 and the dustproof lens 4.
In the dust-proof lens assembly of this embodiment, in the actual use, the output lens 9 is located on the air storage tube 10, the outside of the output lens 9 is located in the closed cavity, the laser beam of the laser passes through the dust-proof lens 4 after passing out of the output lens 9, so, firstly, it is guaranteed that the output lens 9 is always in a good cleaning state, on the other hand, when dust is on the dust-proof lens 4 or is polluted, the dust-proof lens 4 can be removed for thorough cleaning, so that the dust-proof lens 4 is guaranteed to be thoroughly cleaned, and further good laser beam output quality is guaranteed, on the other hand, even if the dust-proof lens 4 is scratched in the cleaning process or the use process, only the new dust-proof lens 4 can be replaced, and other parts of the laser are not required to be replaced, so, the use cost of a user is greatly saved; furthermore, in the cleaning process of the dustproof lens 4, on one hand, only the dustproof lens 4 can be removed without detaching the whole laser from the working position, so that the whole cleaning process is convenient, and the adjustment procedure of the mounting position of the laser is saved; moreover, when the dustproof lens 4 is disassembled, the clean dustproof lens 4 can be replaced at the same time, so that the laser can still work in the cleaning process of the dustproof lens 4, and the production efficiency is further improved.
Example 2, as shown in fig. 1 and 2:
on the basis of the structure of the embodiment 1, further, the base body is provided with a connecting part 1, the connecting part 1 is connected with the cooling device 2, the base body is also provided with a mounting part 3, and the dustproof lens 4 is arranged on the mounting part 3.
As one embodiment, the connection 1 protrudes into the cooling device 2.
The connecting portion 1 stretches into the cooling device 2, and the dustproof lens 4 is convenient to transmit temperature to the cooling device 2 through the mounting portion 3 and the connecting portion 1, so that the cooling effect of the cooling device 2 on the dustproof lens 4 is guaranteed, the thermal deformation of the dustproof lens 4 is reduced, the output quality of laser beams is further guaranteed, and the service life of the dustproof lens 4 is further prolonged.
As one embodiment, the connection part 1 has a hollow cylindrical structure.
By adopting the cylindrical structure, the contact surface between the cooling device 2 and the lens is further increased on the premise of not blocking the laser beam, the heat transfer is further facilitated, and the output lens 9 is also conveniently sealed.
As one embodiment, the connection part 1 is detachably connected with the cooling device 2. By adopting the mode, when the dustproof lens 4 is required to be cleaned, the whole dustproof lens assembly can be taken down from the cooling device 2, then the dustproof lens 4 is cleaned, the dustproof lens 4 and the seat body form an assembly, and further the following and replacing work of the dustproof lens 4 is facilitated.
As another embodiment, the connection part 1 is fixedly connected with the cooling device 2, and the mounting part 3 is detachably connected with the connection part 1. In this way, the dust-proof lens 4 is assembled and disassembled between the connecting part 1 and the mounting part 3, on one hand, excessive abrasion to the cooling device 2 after repeated assembly and disassembly is avoided, and on the other hand, since the current cooling device 2 is usually made of hard and brittle ceramic materials, when the connecting part 1 is inserted into the cooling device 2, part of the materials of the cooling device 2 are easy to scratch, and dust pollution is formed on the output lens 9, so in this scheme, the connection between the connecting part 1 and the mounting part 3 is detachably adopted to realize the disassembly and replacement of the dust-proof lens 4, and materials which are not easy to scratch and fall off can be selected, so that pollution on the output lens 9 in the disassembly and assembly process is avoided.
Example 3, as shown in fig. 1 and 2:
on the basis of the structure of embodiment 2, further, the mounting portion 3 includes a supporting portion 5 and a pressing portion 6, the supporting portion 5 is used for supporting the dustproof lens 4, the pressing portion 6 is matched with the supporting portion 5, so that the dustproof lens 4 is pressed on the supporting portion 5, and the supporting portion 5 is detachably connected with the connecting portion 1. Further facilitating the installation and removal of the dust-proof lenses 4.
As one embodiment, the dustproof lens assembly of the present embodiment further includes an elastic member 7, where the elastic member 7 is located between the dustproof lens 4 and the pressing portion 6. Through setting up elastic component 7, can guarantee the reliability that dustproof lens 4 was compressed tightly, reduce the precision requirement of this application dustproof lens subassembly.
As one embodiment, the support portion 5 is detachably connected with the connection portion 1, and the support portion 5 is sleeved outside the connection portion 1. The support part 5 is sleeved outside the connecting part 1, so that the dust-proof lens 4 can be replaced or removed conveniently, and the material between the connecting part 1 and the support part 5 is hung even in the sleeving process, and the hung parts are located at positions far away from the output lens 9, so that the cleaning of the output lens 9 is further ensured.
As one embodiment, the outer wall of the supporting portion 5 is provided with threads, and the pressing portion 6 is of a hollow nut-shaped structure, and is in threaded connection with the outer wall of the supporting portion 5. Further facilitating the connection or the disassembly of the reflecting mirror plate and the base body.
As one embodiment, an end of the pressing portion 6 away from the supporting portion 5 is provided with an inwardly protruding stop 8, and one side of the elastic member 7 is matched with the dustproof lens 4, and the other side is matched with the stop 8. The compaction of the dustproof lens 4 is facilitated.
As one embodiment, the connection part 1 and the support part 5 are made of a material with high thermal conductivity, and the high thermal conductivity material in the present application is a material with good thermal conductivity, such as a copper material, a copper alloy material, a silver material, and the like. The cooling efficiency of the dust-proof lens 4 is improved.
Example 4, as shown in fig. 1 and 2:
the utility model provides a laser instrument, includes gas storage tube 10, the one end of gas storage tube 10 is provided with the reflector plate, and the other end is provided with output lens 9, be provided with cooling device 2 on the output lens 9, be provided with foretell dustproof lens subassembly on the cooling device 2. The laser of this embodiment, owing to adopted foretell dustproof lens subassembly, guaranteed the cleanness of output lens 9, guaranteed the output quality of laser beam, still reduced user's use cost, and also improved work efficiency.
Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A dust-proof lens assembly for a laser output lens, comprising: the laser device comprises a base body, the base body is connected with a cooling device of a laser output lens, a dustproof lens is further arranged on the base body, the dustproof lens is detachably connected with the cooling device, the dustproof lens is located on a light path of the laser output laser beam, the dustproof lens is matched with the base body, a sealing cavity is formed between the output lens and the dustproof lens, the base body is provided with a connecting portion, the connecting portion is connected with the cooling device, the base body is further provided with an installing portion, the dustproof lens is arranged on the installing portion, the connecting portion is fixedly connected with the cooling device, and the installing portion is detachably connected with the connecting portion.
2. The dust protected lens assembly of claim 1, wherein: the connecting part extends into the cooling device.
3. The dust protected lens assembly of claim 1, wherein: the connecting part is of a hollow cylindrical structure.
4. The dust protected lens assembly of claim 1, wherein: the installation department includes supporting part and compresses tightly the portion, compress tightly the portion with the supporting part cooperation compresses tightly dustproof lens on the supporting part, the supporting part with be detachable connection between the connecting portion.
5. The dust protected lens assembly of claim 4, wherein: the dustproof lens further comprises an elastic piece, and the elastic piece is located between the dustproof lens and the pressing part.
6. The dust protected lens assembly of claim 4, wherein: the supporting part is sleeved outside the connecting part.
7. The dust protected lens assembly of claim 4, wherein: the outer wall of the supporting part is provided with threads, and the compressing part is of a hollow nut-shaped structure and is in threaded connection with the outer wall of the supporting part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710203351.6A CN106711742B (en) | 2017-03-30 | 2017-03-30 | Dustproof lens assembly for laser output lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710203351.6A CN106711742B (en) | 2017-03-30 | 2017-03-30 | Dustproof lens assembly for laser output lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106711742A CN106711742A (en) | 2017-05-24 |
| CN106711742B true CN106711742B (en) | 2023-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710203351.6A Active CN106711742B (en) | 2017-03-30 | 2017-03-30 | Dustproof lens assembly for laser output lens |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108011283B (en) * | 2017-11-28 | 2024-01-23 | 成都微深科技有限公司 | Dustproof lens assembly convenient to disassemble and assemble |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203233041U (en) * | 2013-05-09 | 2013-10-09 | 成都微深科技有限公司 | Novel output window structure of laser |
| CN203932652U (en) * | 2014-06-13 | 2014-11-05 | 南通卓锐激光科技有限公司 | The carbon dioxide laser of the dustproof eyeglass of band |
| WO2015085958A1 (en) * | 2013-12-13 | 2015-06-18 | 成都微深科技有限公司 | Highly stable carbon dioxide laser cooled by recirculation |
| CN105244749A (en) * | 2015-11-11 | 2016-01-13 | 成都微深科技有限公司 | Carbon dioxide laser device with equipotential device |
| CN206558871U (en) * | 2017-03-30 | 2017-10-13 | 成都微深科技有限公司 | A kind of dust-proof Lens assembly for laser output optic acts |
-
2017
- 2017-03-30 CN CN201710203351.6A patent/CN106711742B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203233041U (en) * | 2013-05-09 | 2013-10-09 | 成都微深科技有限公司 | Novel output window structure of laser |
| WO2015085958A1 (en) * | 2013-12-13 | 2015-06-18 | 成都微深科技有限公司 | Highly stable carbon dioxide laser cooled by recirculation |
| CN203932652U (en) * | 2014-06-13 | 2014-11-05 | 南通卓锐激光科技有限公司 | The carbon dioxide laser of the dustproof eyeglass of band |
| CN105244749A (en) * | 2015-11-11 | 2016-01-13 | 成都微深科技有限公司 | Carbon dioxide laser device with equipotential device |
| CN206558871U (en) * | 2017-03-30 | 2017-10-13 | 成都微深科技有限公司 | A kind of dust-proof Lens assembly for laser output optic acts |
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| Publication number | Publication date |
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| CN106711742A (en) | 2017-05-24 |
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