CN204018962U - Single lamp list rod two-chamber laser cutting machine light path system - Google Patents
Single lamp list rod two-chamber laser cutting machine light path system Download PDFInfo
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- CN204018962U CN204018962U CN201420501639.3U CN201420501639U CN204018962U CN 204018962 U CN204018962 U CN 204018962U CN 201420501639 U CN201420501639 U CN 201420501639U CN 204018962 U CN204018962 U CN 204018962U
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- laser
- pump cavity
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- cutting machine
- path system
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Abstract
The utility model discloses a kind of single lamp list rod two-chamber laser cutting machine light path system, comprise the red light indicator, total reflective mirror, laser pump cavity, semi-reflective mirror, water-cooled beam expanding lens and the cutting head that sequentially arrange, laser pump cavity comprises the first laser pump cavity and the second laser pump cavity, one end of first laser pump cavity is provided with the first xenon lamp, the other end is provided with first crystal rod, one end of second laser pump cavity is provided with the second xenon lamp, and the other end is provided with the second crystal bar; Cutting head comprises a body and is sequentially connected to 45 ° of total reflective mirrors, focus lamp, protective glass and nozzles on a body; The utility model adopts double focusing optical cavity form, and when Laser Power Devices adopt same power, laser power can increase by 50 percent, the power output of lifting means, improves cutting power.
Description
Technical field
The utility model relates to the light path system of laser cutting machine, is specifically related to a kind of single lamp list rod two-chamber laser cutting machine light path system.
Background technology
Laser cutting machine utilizes the laser beam launched from laser generator, through light path system, be focused into the laser beam irradiation condition of high power density, the localized hyperthermia of general generation 10000 ° of more than C, laser heat is absorbed by workpiece material, workpiece temperature sharply rises, make workpiece instant vaporization, after arriving boiling point, material starts to vaporize and forms hole, with the air-flow of high pressure, along with the movement of light beam and workpiece relative position, material is finally made to form joint-cutting, and current most of YAG laser cutting machine adopts the light path system in the single chamber of two lamp list rod, the efficiency that this mode electric energy converts luminous energy to is low, make the power output of laser lower, thus the thickness of cuts sheet material is restricted, speed is slow, efficiency is low.
Summary of the invention
In order to solve the technical problem of above-mentioned existence, the utility model provides a kind of single lamp list rod two-chamber laser cutting machine light path system, can improving laser cutting machine production efficiency.
The utility model solves the technical scheme that its technical problem adopts: provide a kind of single lamp list rod two-chamber laser cutting machine light path system, comprise the red light indicator, total reflective mirror, laser pump cavity, semi-reflective mirror, water-cooled beam expanding lens and the cutting head that sequentially arrange, it is characterized in that: described laser pump cavity comprises the first laser pump cavity and the second laser pump cavity, one end of described first laser pump cavity is provided with the first xenon lamp, and the other end is provided with first crystal rod; One end of described second laser pump cavity is provided with the second xenon lamp, and the other end is provided with the second crystal bar; Described cutting head comprises a body and is sequentially connected to 45 ° of total reflective mirrors, focus lamp, protective glass and nozzles on a body; External drive first xenon lamp and the luminescence of the second xenon lamp, the first light beam that xenon lamp produces excites first crystal rod by the first chamber after total reflective mirror is launched, and described first crystal rod absorbs special wavelength light; In like manner; second beam excitation that xenon lamp produces second crystal bar; described second crystal bar absorbs the light of specific wavelength; the light beam of residue wavelength through the reflection of semi-reflective mirror, water-cooled beam expanding lens extensible beam diameter and reduce light beam the angle of divergence after; enter in cutting head; in cutting head, laser beam, through 45 ° of total reflective mirrors, pools high density light beam at focus lamp place and sprays from nozzle through protective glass.
Preferably, described red light indicator and water-cooled beam expanding lens adopt four-dimensional mirror holder.
Preferably, described total reflective mirror and semi-reflective mirror adopt water-cooled two dimension mirror holder.
Preferably, described cutting head also comprises the line of induction.
Preferably, described first laser pump cavity and the second laser pump cavity inwall are coated with material gold, and material gold utensil has very high reflectivity, and reflectivity is higher, and the luminous energy of absorption is then less.
Preferably, described crystal bar adopts yttrium-aluminium-garnet, has good light durability and processability.
Preferably, the described special wavelength light by first crystal rod and the absorption of the second crystal bar refers to that wavelength is 1064nm place light wave.
The beneficial effects of the utility model are: single lamp list rod two-chamber laser cutting machine light path system of the present utility model adopts double focusing optical cavity form, when Laser Power Devices adopt same power, laser power can increase by 50 percent, thus improve the conversion ratio that electric energy converts luminous energy to, improve the laser output power of equipment, thus improve the cutting power of equipment, solve the cutting problem of more thick steel plate workpieces, enhance productivity, there is good economic benefit.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
Fig. 1 is the utility model list lamp list rod two-chamber laser cutting machine light path system structural representation;
Detailed description of the invention
As described in Figure 1, a kind of single lamp list rod two-chamber laser cutting machine light path system is provided, in figure, direction described in right side arrow is light beam direction of transfer, along light beam direction of transfer, be disposed with red light indicator 11, gold medal chamber 40, total reflective mirror 21, first gold medal chamber 30, second, semi-reflective mirror 51, water-cooled beam expanding lens 61 and servo-actuated cutting head 70, wherein red light indicator 11 is arranged on four-dimensional mirror holder 12; Total reflective mirror 21 is arranged on water-cooled two dimension mirror holder 22; Semi-reflective mirror 51 is arranged on water-cooled two dimension mirror holder 52; Water-cooled beam expanding lens 61 is arranged on four-dimensional mirror holder 62; The right-hand member in the first gold medal chamber 30 is provided with the first xenon lamp 31, left end is provided with the first yag crystal rod 32; The right-hand member in the second gold medal chamber 40 is provided with the second xenon lamp 41, left end is provided with the second yag crystal rod 42; Servo-actuated cutting head 70 comprises a body 71 and is sequentially connected to 45 ° of total reflective mirrors 72, focus lamp 73, protective glass 74 and the nozzle 76 on a body 71, and head body 71 is also provided with the line of induction 75 near nozzle 76 place.
External drive first xenon lamp 31 is luminous, luminous bundle after the reflection of total reflective mirror 21, entered into the first gold medal chamber 30, light beam excites the first yag crystal rod 32 through the reflection of the first gold medal chamber 30 inwall, it is made to absorb the light beam of 1064nm wavelength, residue light beam has entered into the second gold medal chamber 40, in like manner, external drive second xenon lamp 41 is luminous, the reflection of luminous bundle through the second gold medal chamber 40 excite the second yag crystal rod 42, it is made to absorb the light beam of 1064nm wavelength, first gold medal chamber 30 remains after light beam and the second gold medal chamber 40 remain beam combination and obtains high-quality laser beam, through the second gold medal chamber 40, then through the reflection of semi-reflective mirror 51, the diameter the angle of divergence reducing light beam that remain light beam is expanded by water-cooled beam expanding lens 61, residue light beam is made to become quasi-parallel light beam, quasi-parallel light beam enters into servo-actuated cutting head 70, first after the reflection of 45 ° of total reflective mirrors 72, the light beam of level being come becomes light beam vertically downward, after the focusing of focus lamp 73, a minimum high power density hot spot is formed at focal position place, the minimum high power density hot spot converged exports from nozzle 76 through protective glass 74, for processing the work piece cut be positioned at below nozzle 76, because workpiece is subject to the irradiation of high power density hot spot, create the localized hyperthermia more than 10000 ° of more than C, make workpiece instant vaporization, along with the relative movement of cutting head and workpiece, then define one smooth line of cut.
The above-mentioned course of work whether function smoothly, can be observed and be judged by red light indicator 11.
In order to avoid the out-of-flatness on processing work surface, and cause servo-actuated cutting head 70 uncontrollable phenomenon in cutting process, head body 71 is provided with the line of induction 75 near nozzle 76 place.
Above content is in conjunction with concrete preferred embodiment further detailed description of the utility model; can not assert that concrete enforcement of the present utility model is confined to these explanations; for the utility model person of ordinary skill in the field; without departing from the concept of the premise utility; some simple deduction or replace can also be made, all should be considered as belonging to protection domain of the present utility model.
Claims (7)
1. a single lamp list rod two-chamber laser cutting machine light path system, comprise the red light indicator, total reflective mirror, laser pump cavity, semi-reflective mirror, water-cooled beam expanding lens and the cutting head that sequentially arrange, it is characterized in that: described laser pump cavity comprises the first laser pump cavity and the second laser pump cavity, one end of described first laser pump cavity is provided with the first xenon lamp, and the other end is provided with first crystal rod; One end of described second laser pump cavity is provided with the second xenon lamp, and the other end is provided with the second crystal bar; Described cutting head comprises a body and is sequentially connected to 45 ° of total reflective mirrors, focus lamp, protective glass and nozzles on a body; External drive first xenon lamp and the luminescence of the second xenon lamp, the first light beam that xenon lamp produces excites first crystal rod by the first chamber after total reflective mirror is launched, and described first crystal rod absorbs special wavelength light; In like manner; second beam excitation that xenon lamp produces second crystal bar; described second crystal bar absorbs the light of specific wavelength; the light beam of residue wavelength through the reflection of semi-reflective mirror, water-cooled beam expanding lens extensible beam diameter and reduce light beam the angle of divergence after; enter in cutting head; in cutting head, laser beam, through 45 ° of total reflective mirrors, pools high density light beam at focus lamp place and sprays from nozzle through protective glass.
2. single lamp list rod two-chamber laser cutting machine light path system according to claim 1, is characterized in that: described red light indicator and water-cooled beam expanding lens adopt four-dimensional mirror holder.
3. single lamp list rod two-chamber laser cutting machine light path system according to claim 2, is characterized in that: described total reflective mirror and semi-reflective mirror adopt water-cooled two dimension mirror holder.
4. single lamp list rod two-chamber laser cutting machine light path system according to claim 3, is characterized in that: described cutting head also comprises the line of induction.
5. single lamp list rod two-chamber laser cutting machine light path system according to claim 4, is characterized in that: described first laser pump cavity and the second laser pump cavity inwall are coated with material gold.
6. single lamp list rod two-chamber laser cutting machine light path system according to claim 5, is characterized in that: described crystal bar adopts yttrium-aluminium-garnet.
7. the single lamp list rod two-chamber laser cutting machine light path system according to any one of claim 1-6, is characterized in that: referred to that wavelength is 1064nm place light wave by the special wavelength light that first crystal rod and the second crystal bar absorb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420501639.3U CN204018962U (en) | 2014-09-02 | 2014-09-02 | Single lamp list rod two-chamber laser cutting machine light path system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420501639.3U CN204018962U (en) | 2014-09-02 | 2014-09-02 | Single lamp list rod two-chamber laser cutting machine light path system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204018962U true CN204018962U (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420501639.3U Expired - Fee Related CN204018962U (en) | 2014-09-02 | 2014-09-02 | Single lamp list rod two-chamber laser cutting machine light path system |
Country Status (1)
| Country | Link |
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| CN (1) | CN204018962U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105458494A (en) * | 2014-09-02 | 2016-04-06 | 上海华族激光设备有限公司 | Single-lamp single-rod double-cavity light path system for laser cutting machine |
| CN107363419A (en) * | 2017-08-08 | 2017-11-21 | 江苏大金激光科技有限公司 | A kind of laser cutting head leaded light focusing system |
-
2014
- 2014-09-02 CN CN201420501639.3U patent/CN204018962U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105458494A (en) * | 2014-09-02 | 2016-04-06 | 上海华族激光设备有限公司 | Single-lamp single-rod double-cavity light path system for laser cutting machine |
| CN107363419A (en) * | 2017-08-08 | 2017-11-21 | 江苏大金激光科技有限公司 | A kind of laser cutting head leaded light focusing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20150902 |
|
| EXPY | Termination of patent right or utility model |