CN201918633U - Cavity type solid laser with refraction function for gantry-type laser cutting machine - Google Patents
Cavity type solid laser with refraction function for gantry-type laser cutting machine Download PDFInfo
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- CN201918633U CN201918633U CN 201120030034 CN201120030034U CN201918633U CN 201918633 U CN201918633 U CN 201918633U CN 201120030034 CN201120030034 CN 201120030034 CN 201120030034 U CN201120030034 U CN 201120030034U CN 201918633 U CN201918633 U CN 201918633U
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- laser
- cavity
- reflecting mirror
- speculums
- cutting head
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Abstract
The utility model relates to a laser and particularly discloses a cavity type solid laser with refraction function for a gantry-type laser cutting machine. The solid laser comprises an oscillation laser, an amplification laser, and cavities I and II in parallel arrangement, wherein the cavity I is placed between a total reflecting mirror and a 45 DEG reflecting mirror (1), and laser is changed into 90 DEG direction from the horizontal direction by the 45 DEG reflecting mirror (1); a half reflecting mirror is placed between the 45 DEG reflecting mirror (1) and a 45 DEG reflecting mirror (2), and the laser radiated from the half reflecting mirror is changed into 90 DEG direction from the horizontal direction by the 45 DEG reflecting mirror (2); the radiated laser amplified by the cavity II firstly receives beam expansion by a beam expanding lens, then is changed into 90 DEG vertical direction from the vertical direction by a 45 DEG reflecting mirror (3), and finally focuses on the surface of a workpiece by a focusing mirror in a cutting head; a working table is mounted on a front board of the laser and is connected with the cutting head; and a height sensor is mounted on the cutting head. By adopting the solid laser provided by the utility model, the power is stable, the peak power is high, the structure is compact, and the light beam quality is good.
Description
Technical field
The utility model relates to a kind of laser.Be specifically related to a kind of refrative cavity solid state laser that is used for the gantry-type laser cutting machine.
Background technology
Before the utility model was made, laser was selected single laser pump cavity type and double focusing optical cavity type two-stage oscillating laser mostly for use.In the course of work, single laser pump cavity type power is not enough, peak power is low, the angle of divergence is big; Double focusing optical cavity type two-stage oscillating laser damages device easily, and machining accuracy is low.
The utility model content
The purpose of this utility model provides a kind of power stability, peak power height, compact conformation, good beam quality, the refrative cavity solid state laser that is used for the gantry-type laser cutting machine that machining accuracy is high.
In order to achieve the above object, the utility model has following technical scheme:
A kind of refrative cavity solid state laser that is used for the gantry-type laser cutting machine of the present utility model, comprise by completely reflecting mirror, cavity one, 45 ° of speculums one, the oscillating laser that half-reflecting mirror is formed, by 45 ° of speculums two, cavity two, beam expanding lens, 45 ° of amplifying laser devices that speculum three is formed, described cavity one, cavity two is placed side by side, wherein, cavity one places between completely reflecting mirror and the 45 ° of speculums one, 45 ° of speculums one change 90 ° in the horizontal direction with laser optical path, half-reflecting mirror places between 45 ° of speculums one and the 45 ° of speculums two, laser changes 90 ° with laser optical path once more in the horizontal direction through 45 ° of speculums two after half-reflecting mirror penetrates, parallel with the laser optical path of cavity one, penetrate by the laser after cavity two amplifications, after its laser beam expands bundle through beam expanding lens, by 45 ° of speculums three laser optical path is changed 90 ° once more and be converted into vertical direction, focus on surface of the work by the focus lamp in the cutting head, above the header board of described laser workbench is housed, workbench is connected with cutting head, height sensor is housed on the cutting head, be used for making the plane of focal plane and workpiece keep a constant distance according to the automatic mobile cutting head of the actual height of material surface.
Wherein, described workbench is connected with cutting head by connecting plate.
Owing to taked above technical scheme, advantage of the present utility model is:
1 the utility model power stability, peak power height, good beam quality.
2 the utility model cutting heads can be according to the automatic mobile cutting head of the actual height of material surface, and are simple to operate, the machining accuracy height.
3 the utility model resonant cavitys are shorter, compact conformation, and device uses stable.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 be Fig. 1 A-A to schematic diagram;
Fig. 3 is the left view of Fig. 1.
Among the figure: 1, indication light source; 2, completely reflecting mirror; 3 cavitys one; 4,45 ° of speculums one; 5, half-reflecting mirror; 6,45 ° of speculums two; 7, cavity two; 8, beam expanding lens; 9,45 ° of speculums three; 10, cutting head; 11, height sensor; 12, connecting plate; 13, workbench.
Embodiment
Following examples are used to illustrate the utility model, but are not used for limiting scope of the present utility model.
Referring to accompanying drawing 1, Fig. 2, Fig. 3, the utility model is a kind of refrative cavity solid state laser that is used for gantry laser cutting machine, comprises oscillating laser, and amplifying laser device, focusing system, system for tracking are formed.
Oscillating laser is made up of completely reflecting mirror 2, cavity one 3,45 ° of speculums 1, half-reflecting mirrors 5.The amplifying laser device is made up of 45 ° of speculums 26, cavity 27,8,45 ° of speculums 39 of beam expanding lens.Laser is at the oscillating laser resonance of being made up of completely reflecting mirror 2, cavity one 3,45 ° of speculums 1, half-reflecting mirrors 5, reflection enters cavity 27 amplifying laser devices and amplifies through 45 ° of speculums 26 then, expand bundle by beam expanding lens 8 at last, behind 45 ° of speculums 39, become vertical direction through the light beam that expands after restrainting, perpendicular to being cut surface of the work.
By said structure as can be known, the structure of laser amplifier is similar substantially to the structure of laser oscillator, and only laser amplifier does not need the laser resonator system; The mode that the input laser beam normally takes single to pass through gain medium in the amplifier obtains the capable ripple of single and amplifies.
Focusing system is made up of the cutting head 10 that focus lamp is housed.Focus lamp will focus on from the light beam of 45 ° of speculums 39, makes focus in position that surface of the work need be processed by adjusting device.Also be provided with indication light source 1 at Working position, this indication light source 1 is parallel with laser optical path.Indication light source 1 adopts semiconductor laser.
System for tracking is made up of height sensor 11, connecting plate 12, workbench 13.Workbench is connected with cutting head 10 by connecting plate 12, and height sensor 11 is housed on the cutting head 10, is used for according to the automatic mobile cutting head 10 of the thickness of material.Height sensor 11 is surveyed workpiece in work, the process data processing is with rear drive workbench 13, the plane that guarantees focal plane and workpiece keeps a constant distance, thereby makes cut quality consistent all the time, avoids changing the bad product that brings because of " fluctuating ".
The utility model and single laser pump cavity type and double focusing optical cavity type two-stage oscillating laser this:
Obviously, the foregoing description of the present utility model only is for the utility model example clearly is described, and is not to be qualification to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here can't give exhaustive to all execution modes.Everyly belong to the row that conspicuous variation that the technical solution of the utility model extends out or change still are in protection range of the present utility model.
Claims (2)
1. refrative cavity solid state laser that is used for the gantry-type laser cutting machine, it is characterized in that: comprise by completely reflecting mirror, cavity one, 45 ° of speculums one, the oscillating laser that half-reflecting mirror is formed, by 45 ° of speculums two, cavity two, 45 ° of amplifying laser devices that speculum three is formed, described cavity one, cavity two is placed side by side, wherein, cavity one places between completely reflecting mirror and the 45 ° of speculums one, 45 ° of speculums one change 90 ° in the horizontal direction with laser optical path, half-reflecting mirror places between 45 ° of speculums one and the 45 ° of speculums two, laser changes 90 ° with laser optical path once more in the horizontal direction through 45 ° of speculums two after half-reflecting mirror penetrates, parallel with the laser optical path of cavity one, penetrate by the laser after cavity two amplifications, after its laser beam expands bundle through beam expanding lens, by 45 ° of speculums three laser optical path is changed 90 ° once more and be converted into vertical direction, focus on surface of the work by the focus lamp in the cutting head, above the header board of described laser workbench is housed, workbench is connected with cutting head, height sensor is housed on the cutting head, be used for making the plane of focal plane and workpiece keep a constant distance according to the automatic mobile cutting head of the actual height of material surface.
2. according to the described a kind of refrative cavity solid state laser that is used for the gantry-type laser cutting machine of claim 1, it is characterized in that: described workbench is connected with cutting head by connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120030034 CN201918633U (en) | 2011-01-28 | 2011-01-28 | Cavity type solid laser with refraction function for gantry-type laser cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120030034 CN201918633U (en) | 2011-01-28 | 2011-01-28 | Cavity type solid laser with refraction function for gantry-type laser cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201918633U true CN201918633U (en) | 2011-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120030034 Expired - Fee Related CN201918633U (en) | 2011-01-28 | 2011-01-28 | Cavity type solid laser with refraction function for gantry-type laser cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201918633U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102130415A (en) * | 2011-01-28 | 2011-07-20 | 武汉楚天激光（集团）股份有限公司 | Folded cavity solid laser used for gantry type laser cutting machine |
-
2011
- 2011-01-28 CN CN 201120030034 patent/CN201918633U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102130415A (en) * | 2011-01-28 | 2011-07-20 | 武汉楚天激光（集团）股份有限公司 | Folded cavity solid laser used for gantry type laser cutting machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: WUHAN CHUTIAN INDUSTRIAL LASER EQUIPMENT CO., LTD. Assignor: Wuhan Chutian Laser (Group) Co., Ltd. Contract record no.: 2014420000071 Denomination of utility model: Folded cavity solid laser used for gantry type laser cutting machine Granted publication date: 20110803 License type: Exclusive License Record date: 20140508 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20150128 |
|
| EXPY | Termination of patent right or utility model |