CN202111366U - Machinery optical shutter for high-power laser - Google Patents
Machinery optical shutter for high-power laser Download PDFInfo
- Publication number
- CN202111366U CN202111366U CN2011200714338U CN201120071433U CN202111366U CN 202111366 U CN202111366 U CN 202111366U CN 2011200714338 U CN2011200714338 U CN 2011200714338U CN 201120071433 U CN201120071433 U CN 201120071433U CN 202111366 U CN202111366 U CN 202111366U
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- Prior art keywords
- optical gate
- mirror
- optical shutter
- semiconductor laser
- semiconductor
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Abstract
The utility model discloses a machinery optical shutter for a high-power laser, comprising an optical shutter box, wherein above the optical shutter box there is provided a semiconductor red light generator, below the optical shutter box there is provided an optical shutter mirror, the optical shutter mirror is located right below the center of the red light generator, and on the optical shutter mirror there is provided a red light reflector forming an 45 DEG angle with a horizontal plane; a linear cylinder and a linear guide rail, wherein the linear cylinder drives the optical shutter mirror to move along the linear guide rail; an energy absorption mechanism arranged below the optical shutter mirror, wherein the energy absorption mechanism comprises an anti-reflection plate, an absorption housing, and an absorber core inside the absorption housing, and the anti-reflection plate is provided with a long circular hole corresponding to the center of the semiconductor red light generator. The machinery optical shutter for a high-power laser overcomes the defects of the prior optical shutter mirror, of being unstable in guiding, big in motion displacement deviation, small in energy absorption area, and low in one-stage heat exchanging efficiency, and has the characteristics of being high in motion sensitivity, stable in red light guiding, and high in energy absorption efficiency.
Description
Technical field
The utility model relates to laser, is specially a kind of mechanical optical gate of superpower laser.
Technical background
The machinery optical gate is to closing and open control from resonant cavity axle emitting laser, and laser is exported a kind of device that leads, and is the vitals of axial fast flow gas laser.The machinery optical gate mainly by can control its move on the laser optical path and when changing the completely reflecting mirror of laser optical path, the absorber device that is used to absorb the band refrigerating function of completely reflecting mirror institute reflector laser, simulated laser output the guider of laser direction and the shell of mechanical optical gate form.The performance evaluation of optical gate relates generally to the operating sensitivity of feed mechanism, and energy absorption mechanism absorbs and handle the ability of energy, and the aspects such as guiding stability of guiding mechanism.Wherein the operating sensitivity of feed mechanism depends primarily on the quality of its motion parts and the performance of drive part; Energy absorption mechanism absorbs and the ability of processing energy then depends on the efficient that absorbs energy area and heat exchange; The guiding stability of guiding mechanism then depend on the stability Design of himself and the influencing factor of external environment, the especially rigid shock of the feed mechanism of self to its influence, these factors can directly influence the performance of laser processing.
Existing mechanical optical gate ubiquity guiding is unstable, the moving displacement deviation is big, the inefficient shortcoming of the little one-level heat exchange of energy absorption area.
Summary of the invention
The purpose of the utility model is to overcome the defective that the existing mechanical optical gate exists, and a kind of mechanical optical gate of the superpower laser stable, that moving displacement control is accurate, the energy absorption area is big, the efficient one-level heat exchange is high that leads is provided.
For realizing this purpose; The mechanical optical gate of the superpower laser that the utility model designed comprises the guiding mechanism, feed mechanism and the energy absorption mechanism that set gradually up and down, and described guiding mechanism comprises the optical gate box; Semiconductor ruddiness generator is installed above the optical gate box; Optical gate box below is provided with the optical gate mirror, and the optical gate mirror is positioned under the semiconductor ruddiness generator center, which is provided with the red mirror that becomes 45 with horizontal plane; Described feed mechanism comprises straight line cylinder and line slideway, and said straight line cylinder drives the optical gate mirror and moves along line slideway; Described energy absorption mechanism is positioned at optical gate mirror below, comprises the antireflection plate, absorbs housing and absorbs the absorber core in the housing, and said antireflection plate is provided with and the corresponding obround opening in semiconductor ruddiness generator center.
In technique scheme, be separately installed with rubber buffer head on the shell of described optical gate box and the optical gate contiguous block, the cylinder rod end of described straight line cylinder is equipped with buffering O type circle.
Further; Described guiding mechanism is fixed on semiconductor ruddiness generator on the semiconductor laser folder; Semiconductor laser installing plate and optical gate box are fixed; The junction of half semiconductor laser installing plate and semiconductor laser folder is provided with locating ring Primary Location relative position relation between the two, is equipped with on the said semiconductor laser folder and adjusts the ruddiness adjustment screw of ruddiness generator at X, Y, Z direction top offset respectively.
Further; One side of described semiconductor laser installing plate and semiconductor laser folder is provided with spring tensioning means; This spring tensioning means comprises spring, steady pin and setting-up piece, and described steady pin is fixedly connected with the semiconductor laser mounting panel, and described setting-up piece is installed in the semiconductor laser folder and goes up in the hole groove that is provided with; One end of spring is fixedly connected on the setting-up piece, and the other end is fixed on the steady pin.
In technique scheme, described straight line cylinder and line slideway are installed on the cylinder block, the location are installed near switch on the said straight line cylinder, and the top of said optical gate mirror moving line is equipped with the location near switch.
Further, be provided with the PLC controller in the said feed mechanism, the input of PLC controller connects the location near switch, and output connects straight line cylinder, and two choke valves of regulating the size of actuating force are installed on the described straight line cylinder.
Further, described optical gate mirror minute surface is parabolic.
Further, the red copper system body that said absorber core is a hollow, its outer wall are helical form, and its inwall bottom is taper.
The outer surface of above-mentioned antireflection plate and absorber core is through the blackout chemical treatment.
The outer wall of above-mentioned absorber core constitutes cooling-water duct with the inwall that absorbs housing; Absorb the water inlet that lower part of frame is provided with cooling-water duct; The top that absorbs housing is provided with the delivery port of cooling-water duct, and described water inlet goes out also to be provided with the water wheels flowmeter that is used to monitor cooling water flow.
Adopt the following useful technique effect that the utlity model has of technique scheme:
1, the guiding mechanism of the utility model is fixed on semiconductor ruddiness generator on the semiconductor laser folder; Semiconductor laser installing plate and housing are fixed; Through locating ring Primary Location position relation between the two; Again through the fine setting of ruddiness adjustment screw, the optical path direction that ruddiness is passed through after the reflection to red light mirroring of 45 degree on the optical gate mirror is consistent with the light direction of superpower laser, has guaranteed the accuracy of high guiding mechanism; And utilize spring tensioning means, guarantee the position of semiconductor laser folder and semiconductor laser installing plate, improved the stability of guiding mechanism;
2, the feed mechanism of the utility model is crossed the optical gate mirror location status that gather near switch two location; With PLC controller (Programmable Logic Controller) control feed mechanism; Promptly control the straight line cylinder motion and drive the motion of optical gate mirror; The Pneumatic pipe cleaner of straight line cylinder is crossed the choke valve manual adjustments, drives the moving component of lightweight like this with cylinder, can obtain good operating sensitivity; And ball slide block and line slideway are guaranteed kinetic stability; The rigid shock that rubber buffer head reduces optical gate mirror and the relative motion of optical gate mirror contiguous block when stopping to utilize the buffering O type circle of straight line cylinder boom end setting can reach slowly and closely at the uniform velocity starts the rigid shock when having reduced straight line cylinder motion beginning;
3, the energy absorption mechanism of the utility model is utilized the total reflection paraboloidal mirror of optical gate mirror to change laser optical path, and circular light spot is focused into a line segment; And make its focus be sitting at the obround opening place on the antireflection plate, after laser passes through the obround opening on the antireflection plate, become divergent shape to incide the absorber in-core and absorb; Can absorb effectively; Even reflection is arranged, reverberation also has only seldom can overflow the absorption housing, has guaranteed the high efficiency of energy absorption; Simultaneously, the outer wall that absorbs housing is processed into helical structure, can guarantee to absorb the high efficiency of heat exchange between housing and cooling water; And the cooling device that the optical gate mirror is provided with, the stability and the durability of lifting optical gate mirror.The water wheels flowmeter of introducing, optical gate mirror temperature switch, absorption case temperature switch and cooling water cooling-water temperature sensor connect the PLC controller and carry out data monitoring, guarantee energy absorption mechanism stable and high effective operation more.
Description of drawings
Fig. 1 is the utility model overall structure sketch map;
Fig. 2 is that the C-C of Fig. 1 is to cutaway view;
Fig. 3 is that the B-B of Fig. 2 is to cutaway view;
Fig. 4 is the guiding mechanism structural representation in the utility model;
Fig. 5 is the partial sectional view of Fig. 4 medi-spring take-up device;
Fig. 6 is the feed mechanism structural representation in the utility model
Fig. 7 is the energy absorption mechanism structural representation of the utility model;
Fig. 8 is vertical sectional structure sketch map of Fig. 7;
Fig. 9 is an absorber cored structure sketch map in the energy absorption mechanism;
Among the figure, 1 be the optical gate box, 2 for the optical gate mirror, 3 for optical gate mirror contiguous block, 4 for straight line cylinder, 5 for line slideway, 6 for the semiconductor laser installing plate, 7 for semiconductor laser folder, 8 for semiconductor ruddiness generator, 9 for the location near switch, 10 for spring tensioning means, 11 for choke valve, 12 for the location near switch, 13 for absorb the case temperature switch, 14 for temperature sensor, 15 for the antireflection plate, 16 for the absorber core, 17 for absorb housing, 18 for the water wheels flowmeter, 19 for locating ring, 20 for rubber buffer head, 21 for optical gate mirror temperature switch, 22 for red mirror, 23 for ruddiness adjustment screw, 24 for spring, 25 for ruddiness spring setting-up piece, 26 for ruddiness spring steady pin, 27 for cylinder rod, 28 for buffering O type circle, 29 near the switch probing blocks.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done further to specify:
The mechanical optical gate of the superpower laser shown in Fig. 1-9; Comprise the guiding mechanism, feed mechanism and the energy absorption mechanism that set gradually up and down; Described guiding mechanism comprises optical gate box 1, and semiconductor ruddiness generator 8 is installed above the optical gate box 1, and optical gate box 1 below is provided with optical gate mirror 2; Optical gate mirror 28 is positioned under the semiconductor ruddiness generator center, which is provided with the red mirror 22 that becomes 45 with horizontal plane; Described feed mechanism comprises straight line cylinder 4 and line slideway 5, and said straight line cylinder 4 drives optical gate mirror 2 and moves along line slideway 5; Described energy absorption mechanism is positioned at optical gate mirror 2 belows, comprises antireflection plate 15, absorbs housing 17 and absorbs the absorber core 16 in the housing 17, and said antireflection plate 15 is provided with and the corresponding obround opening in semiconductor ruddiness generator 8 centers.
Cylinder rod 27 ends of straight line cylinder 4 are equipped with buffering O type circle; One the first from left right side grasps cylinder rod 27; Cylinder rod 27 is fixed between optical gate mirror 2 and the optical gate mirror contiguous block 3; Rigid shock when reducing to move beginning: when optical gate to reaching a moment of state setting in motion, cylinder rod 27 and optical gate mirror 2 contiguous blocks are connected right cylinder bar 27 and cushion O type circle and compress, and moving component is cushioned; When the moment of optical gate from the state setting in motion that puts in place to the pass, 2 pairs of left hand cylinder bars 27 of cylinder rod 27 and optical gate mirror are connected buffering O type circle 28 and compress, and moving component is cushioned, and have improved the stability of feed mechanism.Be separately installed with rubber buffer head 20 on the shell of described optical gate box 1 and the optical gate contiguous block 3; When moving to, optical gate reaches the moment that a state stops; Rubber buffer head 22 on the right part optical gate mirror contiguous block 3 that moves with moving component contacts with optical gate box 1 and compresses, and moving component is cushioned; Close the moment that the state of putting in place stops when optical gate moves to, moving component contact with rubber buffer head 22 on the left part light optical gate box 1 and compresses, and the moving component acquisition cushions, and has further improved the stability of feed mechanism.
Semiconductor laser installing plate 6 is provided with locating ring 19 Primary Location relative position relation between the two with the junction of semiconductor laser folder 7; Be equipped with on the semiconductor laser folder 7 and adjust the ruddiness adjustment screw 23 of ruddiness generator respectively in X, Y, the fine setting of Z direction top offset; Semiconductor laser folder 7 is passed in ruddiness adjustment screw 23 lower ends of said adjustment directions X top offset; The top bulb heads in the section that is provided with on the correspondence position Y direction on the semiconductor laser installing plate 6 elongated slot triangular in shape; This has just limited semiconductor ruddiness generator 8 and has carried out the rotation of Z direction, and makes the rotation of directions X adjustable; Semiconductor laser folder 7 is passed in ruddiness adjustment screw 23 lower ends of said adjustment Y direction top offset, and the top bulb withstands on the plane of semiconductor laser installing plate 6, and this just makes the rotation of semiconductor ruddiness generator 8 on the Y direction adjustable; Semiconductor laser folder 7 is passed in ruddiness adjustment screw 23 lower ends of said adjustment Z direction top offset; The top bulb heads in the circular hole that correspondence position is provided with on the semiconductor laser installing plate 6; This has just limited semiconductor ruddiness generator 8 and has carried out moving of directions X, Y direction, and makes the mobile adjustable of Z direction; Regulate the ruddiness adjustment screw 23 at 3 places; The ruddiness that semiconductor ruddiness generator 8 is penetrated can vertically be penetrated on the red mirror 22 that becomes miter angle with horizontal plane; And become horizontal direction to reflect away; Promptly consistent with the light direction of the laser of horizontal direction, this structure has effectively guaranteed the accuracy of guiding mechanism.
Semiconductor laser installing plate 6 is provided with spring tensioning means 10 with a side of semiconductor laser folder 7; It comprises spring 24, setting-up piece 25 and steady pin 26; Described steady pin 26 is fixedly connected with semiconductor laser mounting panel 6; Described setting-up piece 25 is installed in the hole groove that is provided with on the semiconductor laser folder 7; One end of spring 24 is fixedly connected on the setting-up piece 25, and the other end is fixed on the steady pin 26, utilizes the pulling force of spring 24 that ruddiness spring setting-up piece 25 is pressed in the correspondence hole groove of semiconductor laser folder 7.Such tension structure, can stop the ruddiness direction reconcile to be accomplished after, the direction of ruddiness produces change, even and produce change, also can make its quick homing, further improved the stability of guiding mechanism.
The location is installed near switch 12 on the straight line cylinder 4, the top of said optical gate mirror moving line is equipped with the location near switch 9.Be provided with the PLC controller in the said feed mechanism, the input of PLC controller connects the location near switch 9, and output connects straight line cylinder 5; Two choke valves 11 are installed on the described straight line cylinder 5; Near switch 9 and the location status of location, carry out motion control through the location, promptly control straight line cylinder 4 motions and drive optical gate mirror 2 and 3 motions of optical gate mirror contiguous block with the PLC controller near the optical gate mirror 2 of switch 12 collections; Pneumatic pipe cleaner is crossed choke valve 11 manual adjustments; Drive the moving component of lightweight like this with line slideway 5, can obtain good operating sensitivity, and utilize ball slide block and line slideway 5 to guarantee kinetic stability.
Be provided with absorber core 16 in the absorption housing of energy absorption mechanism, absorber core 16 outer walls are helical form, and the bottom is taper; Absorber core 16 outer walls constitute described cooling-water duct with the inwall that absorbs housing 17; Perforate on the described antireflection plate 15 is a Long Circle; The outer wall of absorber core 16 is processed into helical structure; Inwall with absorbing housing 17 has formed spiral helicine cooling-water duct, has increased the distance of flow of cooling water; Increased cooling water in the time that absorbs the enclosure interior heat exchange, made the cooling of absorption housing more abundant.The following water inlet of described absorption housing 17 goes out also to be provided with the water wheels flowmeter 18 that is used to monitor cooling water flow.During practical implementation, cooling water is got into by the following water inlet that absorbs housing through water wheels flowmeter 18 earlier, and again through spiral helicine cooling-water duct, the upper water-out mouth by absorption housing 17 from bottom to top flows out.Because the distributivity of energy absorption, absorber core 16 bottoms are faster than the trend of top temperature rise.Cooling water gets into cooling from the bottom, can more effectively carry out heat exchange, and guarantees the no bubble that is full of of the interior cooling water of water channel.The introducing of water wheels flowmeter 18 then can better be kept watch on the flow of cooling water, guarantees the stable operation of energy absorption mechanism.
Claims (10)
1. the mechanical optical gate of a superpower laser comprises the guiding mechanism, feed mechanism and the energy absorption mechanism that set gradually up and down, it is characterized in that:
Described guiding mechanism comprises the optical gate box, and semiconductor ruddiness generator is installed above the optical gate box, and optical gate box below is provided with the optical gate mirror, and the optical gate mirror is positioned under the semiconductor ruddiness generator center, which is provided with the red mirror that becomes 45 with horizontal plane;
Described feed mechanism comprises straight line cylinder and line slideway, and said straight line cylinder drives the optical gate mirror and moves along line slideway;
Described energy absorption mechanism is positioned at optical gate mirror below, comprises the antireflection plate, absorbs housing and absorbs the absorber core in the housing, and said antireflection plate is provided with and the corresponding obround opening in semiconductor ruddiness generator center.
2. the mechanical optical gate of superpower laser according to claim 1 is characterized in that: be separately installed with rubber buffer head on the shell of described optical gate box and the optical gate contiguous block, the cylinder rod end of described straight line cylinder is equipped with buffering O type circle.
3. the mechanical optical gate of superpower laser according to claim 1; It is characterized in that: described guiding mechanism is fixed on semiconductor ruddiness generator on the semiconductor laser folder; Semiconductor laser installing plate and optical gate box are fixed; The junction of semiconductor laser installing plate and semiconductor laser folder is provided with locating ring Primary Location relative position relation between the two, is equipped with on the said semiconductor laser folder and adjusts the ruddiness adjustment screw of ruddiness generator at X, Y, Z direction top offset respectively.
4. the mechanical optical gate of superpower laser according to claim 3; It is characterized in that: a side of described semiconductor laser installing plate and semiconductor laser folder is provided with spring tensioning means; This spring tensioning means comprises spring, steady pin and setting-up piece; Described steady pin is fixedly connected with the semiconductor laser mounting panel; Described setting-up piece is installed in the semiconductor laser folder and goes up in the hole groove that is provided with, and an end of spring is fixedly connected on the setting-up piece, and the other end is fixed on the steady pin.
5. the mechanical optical gate of superpower laser according to claim 1; It is characterized in that: described straight line cylinder and line slideway are installed on the cylinder block; The location is installed near switch on the said straight line cylinder, the top of said optical gate mirror moving line is equipped with the location near switch.
6. according to the mechanical optical gate of claim 1 or 5 described superpower lasers; It is characterized in that: be provided with the PLC controller in the said feed mechanism; The input of PLC controller connects the location near switch; Output connects straight line cylinder, and two choke valves of regulating the size of actuating force are installed on the described straight line cylinder.
7. the mechanical optical gate of superpower laser according to claim 1 is characterized in that: described optical gate mirror minute surface is for parabolic.
8. the mechanical optical gate of superpower laser according to claim 1, it is characterized in that: the red copper system body that said absorber core is a hollow, its outer wall are helical form, its inwall bottom is taper.
9. the mechanical optical gate of superpower laser according to claim 1 is characterized in that: the outer surface process blackout chemical treatment of said antireflection plate and absorber core.
10. the mechanical optical gate of superpower laser according to claim 1; It is characterized in that: the outer wall of said absorber core constitutes cooling-water duct with the inwall that absorbs housing; Absorb the water inlet that lower part of frame is provided with cooling-water duct; The top that absorbs housing is provided with the delivery port of cooling-water duct, and described water inlet goes out also to be provided with the water wheels flowmeter that is used to monitor cooling water flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200714338U CN202111366U (en) | 2011-03-17 | 2011-03-17 | Machinery optical shutter for high-power laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200714338U CN202111366U (en) | 2011-03-17 | 2011-03-17 | Machinery optical shutter for high-power laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202111366U true CN202111366U (en) | 2012-01-11 |
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ID=45436815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200714338U Expired - Fee Related CN202111366U (en) | 2011-03-17 | 2011-03-17 | Machinery optical shutter for high-power laser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202111366U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111525369A (en) * | 2020-04-30 | 2020-08-11 | 南京理工大学 | Optical gate with safety monitoring function for time-sharing type optical fiber laser |
-
2011
- 2011-03-17 CN CN2011200714338U patent/CN202111366U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111525369A (en) * | 2020-04-30 | 2020-08-11 | 南京理工大学 | Optical gate with safety monitoring function for time-sharing type optical fiber laser |
| CN111525369B (en) * | 2020-04-30 | 2021-01-15 | 南京理工大学 | Optical gate with safety monitoring function for time-sharing type optical fiber laser |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120111 Termination date: 20140317 |