CN202059046U - Mechanical optical shutter of high-power laser device - Google Patents
Mechanical optical shutter of high-power laser device Download PDFInfo
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- CN202059046U CN202059046U CN2011200714713U CN201120071471U CN202059046U CN 202059046 U CN202059046 U CN 202059046U CN 2011200714713 U CN2011200714713 U CN 2011200714713U CN 201120071471 U CN201120071471 U CN 201120071471U CN 202059046 U CN202059046 U CN 202059046U
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- optical gate
- optical shutter
- semiconductor laser
- mirror
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Abstract
The utility model discloses a mechanical optical shutter of a high-power laser device. The mechanical optical shutter comprises a feeding mechanism, a guiding mechanism and an energy absorption mechanism, wherein the guiding mechanism comprises an optical shutter box, an optical shutter rotator is arranged in the optical shutter box, one side of the optical shutter box is provided with a semiconductor red light generator, the front end of the optical shutter rotator is provided with a red light reflector located at the same horizontal line with the center of the semiconductor red light generator, the rear end of the optical shutter rotator is provided with an optical shutter mirror; the feeding mechanism comprises a rotating cylinder connected with a rotating shaft in the center of the optical shutter rotator; and the energy absorption mechanism disposed at one side of the optical shutter mirror comprises an absorber diaphragm, an absorption housing and an absorber core which absorbs absorption energy in the housing, and the absorber diaphragm is provided with an oblong open pore corresponding to the center of the semiconductor red light generator. The mechanical optical shutter overcomes the problem that guiding of the current optical shutter mirror is not stable, motion displacement deviation is large, and energy absorption area is small. The mechanical optical shutter is 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 absorption casing 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 kinematic system, and energy absorption mechanism absorbs and handle the ability of energy, and the aspects such as guiding stability of guidance system.Wherein the operating sensitivity of kinematic system 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 guidance system then depend on the stability Design of himself and the influencing factor of external environment, the especially rigid shock of the kinematic system 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 energy absorption area is little, the inefficient shortcoming of one-level heat exchange.
Summary of the invention
The purpose of this 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 is designed, it comprises feed mechanism, guiding mechanism and energy absorption mechanism, described guiding mechanism comprises the optical gate box, the optical gate rotary body is installed in the optical gate box, optical gate box one side is equipped with semiconductor ruddiness generator, and the front end of described optical gate rotary body is equipped with semiconductor ruddiness generator and is centered close to red mirror on the same horizontal line, and tail end is equipped with the optical gate mirror; Described feed mechanism comprises the rotary cylinder that is connected with the rotation axis at optical gate rotary body middle part; Described energy absorption mechanism is positioned at a side of optical gate mirror, comprises the absorber diaphragm, absorbs housing and absorbs endergonic absorber core in the housing, and described absorber diaphragm is provided with and the corresponding obround opening in semiconductor ruddiness generator center.
In technique scheme, described optical gate mirror minute surface is the paraboloid of revolution, is provided with oiled washer between described optical gate rotary body and the optical gate box; End at the optical gate rotary body is equipped with buffer head; Be provided with cushion pad between described red mirror clamping and the optical gate rotary body.
In technique scheme, be separately installed with the location near switch around the described rotary cylinder, the two ends of described rotary cylinder are equipped with speed control valve.
In technique scheme, on the described optical gate box semiconductor laser installing plate is installed, a side of semiconductor laser installing plate is equipped with the semiconductor laser folder, and semiconductor ruddiness generator is installed on a side of semiconductor laser folder.
Further, the junction of described 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 described 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, described spring tensioning means comprises spring, steady pin and setting-up piece, described steady pin is fixedlyed 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, 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, the red copper system body that described absorber core is a hollow, its outer wall are helical form, and its inwall bottom is taper.
Further, the inwall of the outer wall of described absorber core and absorption housing constitutes cooling-water duct, absorbs the water inlet that lower part of frame is provided with cooling-water duct, and the top that absorbs housing is provided with the delivery port of cooling-water duct.
Further, the outer surface of described antireflection plate and absorber core is through the blackout chemical treatment.
A nearlyer step ground, the following water inlet of described absorption housing shell 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, be separately installed with the location near switch around the rotary cylinder of the present utility model, by locating the optical gate rotation position configuration state of gathering near switch everywhere, rotation with PLC controller (Programmable Logic Controller) control rotary cylinder, drive the optical gate rotary body, and paraboloid of revolution optical gate mirror mounted thereto, the red mirror clamping, the foamed glue buffer gasket, red mirror clamping nut, red mirror rotates, rotary speed is by cylinder speed control valve manual adjustments, because heavy moving parts is lighter, structure distribution is reasonable, and the optical gate oiled washer can effectively reduce frictional resistance when rotating, therefore this kinematic system obtains good operating sensitivity, utilizes rubber buffer head and foamed glue buffer gasket can reduce to move rigid shock when stopping simultaneously;
2, the utility model semiconductor ruddiness is fixed on the semiconductor laser folder, semiconductor laser installing plate and housing are fixed, by locating ring Primary Location position relation between the two, the ruddiness adjustment screw of regulating is again between the two finely tuned, the red mirror clamping and the ruddiness mirror stop position block that will be fixed with red mirror are simultaneously fitted, guarantee the position of red mirror, thereby make the optical path direction behind the reflection to red light consistent with the light direction of superpower laser, guaranteed the accuracy of high guidance system, and utilize spring tension structure, guarantee the position of semiconductor laser folder and semiconductor laser installing plate, improved the stability of guiding mechanism;
3, optical gate mirror of the present utility model adopts the paraboloid of revolution, change laser optical path, and circular light spot is focused into a bit, make the focus of paraboloid of revolution optical gate mirror be sitting at the oval aperture place of absorber diaphragm, laser becomes divergent shape to incide the absorber in-core and absorbs by after the oval aperture of absorber diaphragm; Because the technology that absorber core and absorber diaphragm turn black and handle can effectively absorb energy, and the construction features of absorber core and absorber diaphragm have determined reverberation also to have only seldom can to overflow the absorption housing, guarantee 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 system that utilizes the optical gate rotary body cools off paraboloid of revolution optical gate mirror, the stability of system and durability are got a promotion, introduce water wheels flowmeter, optical gate rotary body temperature switch, absorb housing skin temperature switch and cooling water cooling-water temperature sensor, carry out data monitoring, guaranteed the stable and high effective operation of energy absorption mechanism further by PLC.
Description of drawings
Fig. 1 is the utility model perspective view;
Fig. 2 is that the C-C of Fig. 3 is to cutaway view;
Fig. 3 is that the B-B of Fig. 2 is to cutaway view;
Fig. 4 is that the A-A of Fig. 2 is to cutaway view;
Fig. 5 is a guiding mechanism structural representation of the present utility model
Fig. 6 is an A place partial structurtes enlarged diagram among Fig. 5;
Fig. 7 is the laser guide generalized section in the utility model;
Fig. 8 is the bottom upward view of Fig. 7;
Fig. 9 is the energy absorption mechanism structural representation in the utility model;
Figure 10 is the absorber cored structure schematic diagram in the energy absorption mechanism;
Among the figure, 1 is the optical gate box, 2 is the optical gate rotary body, 3 is the optical gate mirror, 4 is rotary cylinder, 5 is the cylinder speed control valve, 6 for locating near switch, 7 is ruddiness mirror stop position block, 8 is the red mirror clamping, 9 is the foamed glue buffer gasket, 10 are the clamping nut, 11 is red mirror, 12 is rubber buffer head, 13 is the optical gate oiled washer, 14 for absorbing housing, 15 is the absorber core, 16 is the absorber diaphragm, 17 is the water wheels flowmeter, 18 is temperature sensor, 19 for absorbing housing skin temperature switch, 20 is optical gate rotary body temperature switch, 21 is the semiconductor laser installing plate, 22 is locating ring, 23 are the semiconductor laser folder, 24 is semiconductor ruddiness generator, 25 is setting-up piece, 26 is spring, 27 is steady pin, 28 are ruddiness adjustment screw.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
The mechanical optical gate of the superpower laser shown in Fig. 1-10, comprise feed mechanism, guiding mechanism and energy absorption mechanism, described guiding mechanism comprises optical gate box 1, optical gate rotary body 2 is installed in the optical gate box 1, optical gate box 1 one sides are equipped with semiconductor ruddiness generator 24, the front end of described optical gate rotary body 2 is equipped with semiconductor ruddiness generator 24 and is centered close to red mirror 11 on the same horizontal line, and tail end is equipped with optical gate mirror 3; Described feed mechanism comprises the rotary cylinder 4 that is connected with the rotation axis at optical gate rotary body 2 middle parts; Described energy absorption mechanism is positioned at a side of optical gate mirror 3, comprise absorber diaphragm 16, absorb housing 14 and absorb endergonic absorber core 15 in the housing 14, described absorber diaphragm 16 is provided with and the corresponding obround opening in semiconductor ruddiness generator 24 centers.
Be provided with optical gate oiled washer 13 between described optical gate rotary body 2 and the optical gate box 1; In the end of optical gate rotary body 2 rubber buffer head 12 is installed; Be provided with foamed glue buffer gasket 9 between described red mirror clamping 8 and the optical gate rotary body 2.Reach the moment that a state stops when optical gate rotary body 2 rotates to, the front portion of optical gate rotary body 2 contacts with rubber buffer head 12 on being installed in optical gate box 1 and compresses, and optical gate rotary body 2 is cushioned; When rotating to, optical gate rotary body 2 closes the moment that the state of putting in place stops, rotary cylinder 4 can drive the optical gate rotary bodies 2 red mirror clamping 8 that is installed on the optical gate rotary body 2 of will floating and be pressed on the ruddiness mirror stop position block 7 that is fixed on the optical gate box 1, red mirror 11 installed surfaces of red mirror clamping this moment 8 will fit tightly with the locating surface of ruddiness mirror stop position block 7, it is constant that this just makes position relation between the locating surface of the reflecting surface of the red mirror 11 that is fixed in the red mirror clamping 8 and ruddiness mirror stop position block 7 remain, and promptly guaranteed the positional stability of reflection to red light face; When red mirror clamping 8 contacts with ruddiness mirror stop position block 7, the foamed glue buffer gasket 9 that is installed between red mirror clamping 8 and the optical gate rotary body 2 is subjected to force compresses, optical gate rotary body 2 is cushioned, reduce the rigid shock of generation when the optical gate motion stops, further having improved the stability of feed mechanism.
Be separately installed with the location near switch 6 around the described rotary cylinder 4, the two ends of described rotary cylinder 4 are equipped with speed control valve 5.Described location is connected with the PLC controller near switch 6, carries out data monitoring by the PLC situation that open and close put in place to optical gate, has guaranteed the reliability of kinematic system.
On the described optical gate box 1 semiconductor laser installing plate 21 is installed, a side of semiconductor laser installing plate 21 is equipped with semiconductor laser folder 23, and semiconductor ruddiness generator 24 is installed on a side of semiconductor laser folder 23.Optical gate rotary body 2 and paraboloid of revolution optical gate mirror 3 mounted thereto, red mirror clamping 8, red mirror clamping nut 10 adopts aluminum alloy materials, quality is less, and the quality of foamed glue buffer gasket 9 and red mirror 11 is also very little, simultaneously, the rotation axis of rotary cylinder 4 is positioned at the middle part of optical gate rotary body 2, paraboloid of revolution optical gate mirror 3 is installed in optical gate rotary body 2 afterbodys, red mirror clamping 8, foamed glue buffer gasket 9, the clamping nut 10 of red mirror and red mirror 11 are installed in the front portion of optical gate rotary body 2, and such structure can reduce moment of inertia to greatest extent.And the drive unit that rotary cylinder 4 is opened and closed as optical gate, velocity of rotation can be controlled by cylinder speed control valve 5, can obtain enough actuating forces.
The junction of described semiconductor laser installing plate 21 and semiconductor laser folder 23 is provided with locating ring 22 Primary Location relative position relation between the two, be equipped with on the described semiconductor laser folder 23 and adjust ruddiness generator 24 respectively at X, Y, the ruddiness of Z direction top offset is adjusted screw 28, adjust ruddiness adjustment screw 28 lower ends of directions X top offset and pass semiconductor laser folder 23, the top bulb heads in the section that is provided with on the correspondence position Y direction on the semiconductor laser installing plate 21 elongated slot triangular in shape this and has just limited semiconductor ruddiness generator and carried out the rotation of Z direction, and makes the rotation of directions X adjustable; The ruddiness of described adjustment Y direction top offset is adjusted the screw lower end and is passed the semiconductor laser folder, and the top bulb withstands on the plane of semiconductor laser installing plate, and this just makes the rotation of semiconductor ruddiness generator Y direction adjustable.The ruddiness of described adjustment Z direction top offset is adjusted the screw lower end and is passed the semiconductor laser folder, the top bulb heads in the circular hole that correspondence position is provided with on the semiconductor laser installing plate, limited semiconductor ruddiness generator and carried out moving of directions X, Y direction, and made the mobile adjustable of Z direction.When being in, optical gate closes when putting state in place, regulate the ruddiness at this 3 place and adjust screw 28, the ruddiness that semiconductor ruddiness generator 24 is penetrated can reach consistent with the light direction of laser through the reflection of red mirror 11, has guaranteed the accuracy of guide frame guiding effectively.
One side of described cylindrical locating ring 22 is provided with spring tensioning means, described spring tensioning means comprises spring 26, steady pin 27 and setting-up piece 25, described steady pin 27 is fixedlyed connected with semiconductor laser mounting panel 21, described setting-up piece 25 is installed in the hole groove that is provided with on the semiconductor laser folder 23, one end of spring 26 is fixedly connected on the setting-up piece 25, the other end is fixed on the steady pin 27, adopt this tension structure, after can stoping the conciliation of ruddiness direction to be finished, the direction of ruddiness produces change, even and produce change, also can make its quick homing, and then improve the stability of guiding mechanism.
In the energy absorption mechanism of the present utility model, described absorber core 15 outer walls are helical form, and the bottom is taper; Described optical gate mirror 3 minute surfaces are the paraboloid of revolution; Absorber core 15 outer walls constitute described cooling-water duct with the inwall that absorbs housing.Be separately installed with optical gate rotary body temperature switch 20 and absorb housing skin temperature switch 19 on optical gate rotary body 2 and the absorption housing shell 14, the water inlet of described cooling-water duct is provided with temperature sensor 18, this temperature sensor 18 is connected with described PLC controller, and the following water inlet of described absorption housing shell 14 goes out also to be provided with the water wheels flowmeter 17 that is used to monitor cooling water flow.
Described optical gate mirror 3 minute surfaces are the paraboloid of revolution, laser is through the optical gate mirror 3 parabolic back reflections that focus on, and circular light spot is focused into a bit, and focus is positioned at the oval aperture place of absorber diaphragm 16, laser by perforate after, become the inwall that is incident to absorber core 15 of divergent shape.Because the restriction of dispersion angle, under the situation that does not strengthen absorber core 15 length, most laser still can arrive the bottom of absorber core 15, therefore taper is processed in the bottom of absorber core 15, promptly strengthened the absorption area of absorber core 15 bottoms under the equal length, also can carry out the more spread reflection of wide-angle, so that the absorption again at absorber core 15 other positions of inwall to unabsorbed laser.This structure has promptly guaranteed the maximization that absorption area utilizes, and has also guaranteed to have only the light of minute quantity to spill into the absorption outside by absorber diaphragm 16 long and narrow oval aperture again.Absorber core 15 and absorber diaphragm 16 have passed through blackening processing technology simultaneously, have improved the absorptivity to light to greatest extent, have reduced the reflection of light rate, have guaranteed the high efficiency of energy absorption.
In addition, the outer wall of absorber core 15 is processed into helical structure, with the inwall that absorbs housing shell 14, formed spiral helicine cooling-water duct, increased the path of flow of cooling water, absorbing the time that heat exchange is carried out in the enclosure interior stop thereby increased cooling water, making the cooling of absorption housing more abundant.When specifically implementing, cooling water is entered by the following water inlet that absorbs housing shell 14 through water wheels flow 17 earlier, and again by spiral helicine cooling-water duct, the upper water-out mouth by absorption housing shell 14 from bottom to top flows out.Because the dispersiveness of energy absorption, absorber core 15 bottoms are fast than the speed of top temperature rise, and cooling water enters cooling from the bottom, can more effectively carry out heat exchange, and guarantee the no bubble that is full of of the interior cooling water of cooling-water duct.The introducing of water wheels flowmeter 17 then can better be monitored the flow of cooling water, guarantees the stable operation of energy absorption mechanism.
During concrete enforcement, also designed cooling-water duct at optical gate rotary body 2, the optical gate mirror 3 that is close on the optical gate rotary body 2 is cooled off simultaneously, can not produce thermal deformation because of the energy that absorbs in the reflector laser process, and influence improves the stable operation of energy absorption mechanism to the effect of laser-bounce.On optical gate rotary body 2, absorption housing shell 14, optical gate rotary body temperature switch 20 has been installed respectively and has been absorbed housing skin temperature switch 19, and with a temperature sensor 18, can adopt platinum resistance type temperature sensor to be placed on water inlet place of cooling water, and carry out the data monitoring of the temperature regime of each several part, thereby guarantee the stable operation of energy absorption mechanism by the PLC controller.
Claims (9)
1. the mechanical optical gate of a superpower laser comprises feed mechanism, guiding mechanism and energy absorption mechanism, it is characterized in that:
Described guiding mechanism comprises the optical gate box, the optical gate rotary body is installed in the optical gate box, optical gate box one side is equipped with semiconductor ruddiness generator, and the front end of described optical gate rotary body is equipped with semiconductor ruddiness generator and is centered close to red mirror on the same horizontal line, and tail end is equipped with the optical gate mirror;
Described feed mechanism comprises the rotary cylinder that is connected with the rotation axis at optical gate rotary body middle part;
Described energy absorption mechanism is positioned at a side of optical gate mirror, comprises the absorber diaphragm, absorbs housing and absorbs endergonic absorber core in the housing, and described absorber diaphragm 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, it is characterized in that: described optical gate mirror minute surface is the paraboloid of revolution, is provided with oiled washer between described optical gate rotary body and the optical gate box; End at the optical gate rotary body is equipped with buffer head; Be provided with cushion pad between described red mirror clamping and the optical gate rotary body.
3. the mechanical optical gate of superpower laser according to claim 1 is characterized in that: be separately installed with the location near switch around the described rotary cylinder, the two ends of described rotary cylinder are equipped with speed control valve.
4. the mechanical optical gate of superpower laser according to claim 1, it is characterized in that: on the described optical gate box semiconductor laser installing plate is installed, one side of semiconductor laser installing plate is equipped with the semiconductor laser folder, and semiconductor ruddiness generator is installed on a side of semiconductor laser folder.
5. the mechanical optical gate of superpower laser according to claim 4, it is characterized in that: the junction of described 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 described semiconductor laser folder and adjusts the ruddiness adjustment screw of ruddiness generator at X, Y, Z direction top offset respectively.
6. the mechanical optical gate of superpower laser according to claim 4, it is characterized in that: a side of described semiconductor laser installing plate and semiconductor laser folder is provided with spring tensioning means, described spring tensioning means comprises spring, steady pin and setting-up piece, described steady pin is fixedlyed 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, one end of spring is fixedly connected on the setting-up piece, and the other end is fixed on the steady pin.
7. the mechanical optical gate of superpower laser according to claim 1, it is characterized in that: the red copper system body that described absorber core is a hollow, its outer wall are helical form, its inwall bottom is taper.
8. the mechanical optical gate of superpower laser according to claim 1, it is characterized in that: the inwall of the outer wall of described absorber core and absorption housing constitutes cooling-water duct, 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.
9. the mechanical optical gate of superpower laser according to claim 1, it is characterized in that: the following water inlet of described absorption housing shell 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 |
|---|---|---|---|
| CN2011200714713U CN202059046U (en) | 2011-03-17 | 2011-03-17 | Mechanical optical shutter of high-power laser device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200714713U CN202059046U (en) | 2011-03-17 | 2011-03-17 | Mechanical optical shutter of high-power laser device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202059046U true CN202059046U (en) | 2011-11-30 |
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ID=45019010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200714713U Expired - Fee Related CN202059046U (en) | 2011-03-17 | 2011-03-17 | Mechanical optical shutter of high-power laser device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202059046U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852258A (en) * | 2015-06-12 | 2015-08-19 | 中国工程物理研究院总体工程研究所 | Kilowatt-level optical fiber cladding power stripper employing micro-channel water cooling |
-
2011
- 2011-03-17 CN CN2011200714713U patent/CN202059046U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852258A (en) * | 2015-06-12 | 2015-08-19 | 中国工程物理研究院总体工程研究所 | Kilowatt-level optical fiber cladding power stripper employing micro-channel water cooling |
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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: 20111130 Termination date: 20140317 |