CN212665191U - Laser shock strengthening system with switchable optical path - Google Patents
Laser shock strengthening system with switchable optical path Download PDFInfo
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- CN212665191U CN212665191U CN202021097777.1U CN202021097777U CN212665191U CN 212665191 U CN212665191 U CN 212665191U CN 202021097777 U CN202021097777 U CN 202021097777U CN 212665191 U CN212665191 U CN 212665191U
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- 230000003287 optical effect Effects 0.000 title claims abstract description 18
- 230000035939 shock Effects 0.000 title claims abstract description 18
- 238000005728 strengthening Methods 0.000 title claims abstract description 10
- 238000007493 shaping process Methods 0.000 claims description 64
- 238000009863 impact test Methods 0.000 claims 2
- 230000009977 dual effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 11
- 238000003754 machining Methods 0.000 description 6
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- 238000010586 diagram Methods 0.000 description 5
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- 230000002929 anti-fatigue Effects 0.000 description 1
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Abstract
本实用新型涉及可切换光路的激光冲击强化系统，激光器的出光口一、出光口二与外光路的入光口一、入光口二对应，两入光口的另一侧设有置于电动滑台一上的反射镜一和反射镜四；反射镜一的反射光路上布置有反射镜二，反射镜二的反射光路上依次布置有准直镜一、反射镜三，反射镜三的反射光路上布置有聚焦镜一，聚焦镜一置于电动滑台二上；反射镜四的反射光路上布置有反射镜五，反射镜五的反射光路上依次布置有准直镜二、反射镜六，反射镜六的反射光路上布置有聚焦镜二，聚焦镜二置于电动滑台三上；入光口一和入光口二的另一侧设有准直镜三和聚焦镜三，聚焦镜三置于电动滑台四上。实现激光束A‑B双光路左右输出或正反对冲输出，多种光路快速切换。
The utility model relates to a laser shock strengthening system with switchable optical paths. A light outlet and a second light outlet of a laser correspond to a first light inlet and a second light inlet of an external optical path. Mirror 1 and Mirror 4 on slide 1; Mirror 2 is arranged on the reflection light path of Mirror 1, and collimating mirror 1, Mirror 3 and reflection mirror 3 are arranged on the reflective light path of Mirror 2 in turn. Focusing mirror 1 is arranged on the optical path, and focusing mirror 1 is placed on the electric slide table 2; mirror 5 is arranged on the reflected light path of mirror 4, and collimating mirror 2 and mirror 6 are sequentially arranged on the reflected light path of mirror 5. , a focusing mirror 2 is arranged on the reflected light path of the mirror 6, and the focusing mirror 2 is placed on the electric sliding table 3; The mirror three is placed on the electric sliding table four. Realize laser beam A-B dual optical path left and right output or positive anti-opposite output, fast switching of various optical paths.
Description
Technical Field
The utility model relates to a laser shock peening system of changeable light path belongs to laser shock technical field.
Background
The laser shock peening technology can generate a 1mm or deeper residual compressive stress layer and optimize the microstructure of the material, and can be widely applied to the fields of aerospace, transportation, weapons and military industry and the like in recent years because the laser shock peening technology can accurately control the process parameters such as laser energy, spot size and the like, so that the anti-fatigue and anti-wear properties of the material are obviously improved.
In the laser impact process, a corresponding impact mode is often selected according to the requirements of the shape, the strengthening requirement, the machining error and the like of a workpiece, and for some special parts such as thin-wall parts, leaf discs and the like, due to the special requirements, double-sided impact is involved to ensure the impact effect and the machining precision. The double-sided impact can be realized by clamping once through the quick switching of the light path, the clamping error is greatly reduced, the impact strengthening process of parts is effectively completed, and the processing efficiency is improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art existence, provide a laser shock peening system of changeable light path.
The purpose of the utility model is realized through the following technical scheme:
the laser shock peening system with switchable light paths is characterized in that: the laser comprises a laser with a first light outlet and a second light outlet, wherein the first light outlet and the second light outlet correspond to a first light inlet and a second light inlet of an outer light path;
a second reflecting mirror is arranged on a reflecting light path of the first reflecting mirror, a first collimating mirror and a third reflecting mirror are sequentially arranged on the reflecting light path of the second reflecting mirror, a first focusing mirror is arranged on the reflecting light path of the third reflecting mirror, and the first focusing mirror is arranged on the second electric sliding table and can move; the light spot focused by the focusing lens acts on the impact sample;
a fifth reflecting mirror is arranged on a reflecting light path of the fourth reflecting mirror, a second collimating mirror and a sixth reflecting mirror are sequentially arranged on a reflecting light path of the fifth reflecting mirror, a second focusing mirror is arranged on a reflecting light path of the sixth reflecting mirror, and the second focusing mirror is arranged on the third electric sliding table and can move; the light spot focused by the focusing lens acts on the impact sample;
a third collimating lens and a third focusing lens are arranged on the other side of the first light inlet and the second light inlet, and the third focusing lens is arranged on the fourth electric sliding table and can move; the light spot focused by the focusing lens acts on the impact sample.
Furthermore, in the laser shock peening system with the switchable light path, a light spot shaping system is arranged on the reflection light path of the second reflecting mirror, and the light spot shaping system is positioned on the front side of the first collimating mirror.
Further, in the laser shock peening system with the switchable light path, the second light spot shaping system is arranged on the reflection light path of the fifth reflecting mirror, and the second light spot shaping system is positioned on the front side of the second collimating mirror.
Further, in the laser shock peening system with the switchable light path, a third spot shaping system is arranged on the front side of the third collimating mirror.
Further, the laser shock peening system with the switchable light path comprises a light spot shaping system, wherein the light spot shaping system comprises a micro lens array for shaping light spots and a shaping element for adjusting the light spots, the micro lens array is arranged on the electric sliding table five and can move, and the shaping element comprises a first beam expander, a second beam expander and a third beam expander which are arranged in parallel and staggered at equal intervals, is arranged on the electric sliding table six and can move; the structures of the second light spot shaping system and the third light spot shaping system are the same as those of the first light spot shaping system.
Furthermore, in the laser shock peening system with the switchable light path, the first reflector and the fourth reflector are all-reflecting lenses, the first reflector forms an angle of 135 degrees with the horizontal line, the fourth reflector forms an angle of 45 degrees with the horizontal line, and the first reflector and the fourth reflector are located on the same vertical line.
Further, in the laser shock peening system with the switchable light path, the second reflecting mirror and the third reflecting mirror are all reflective lenses, the included angle between the second reflecting mirror and the horizontal line is 135 degrees, the included angle between the third reflecting mirror and the horizontal line is 45 degrees, the second reflecting mirror, the first collimating mirror and the third reflecting mirror are on the same horizontal straight line, the first focusing mirror and the third reflecting mirror are on the same vertical line, the first focusing mirror is arranged on the second electric sliding table and can move, parallel light collimated by the first collimating mirror is focused by the first focusing mirror, and when a round light spot is output, the first focusing mirror is driven by the second electric sliding table to move, so that the size of the light spot is adjusted.
Further, in the laser shock peening system with the switchable light path, the five reflecting mirror and the six reflecting mirror are all-reflecting lenses, the included angle between the five reflecting mirror and a horizontal line is 45 degrees, the included angle between the six reflecting mirror and the horizontal line is 135 degrees, the five reflecting mirror, the two collimating mirror and the six reflecting mirror are located on the same horizontal straight line, the two focusing mirror and the six reflecting mirror are located on the same vertical line, parallel light collimated by the two collimating mirror is focused by the two focusing mirror, and when a circular light spot is output, the three electric sliding table drives the two focusing mirror to move, so that the size of the light spot is adjusted.
Compared with the prior art, the utility model have apparent advantage and beneficial effect, the concrete aspect that embodies is in following:
the utility model relates to an it is unique, light path structure is ingenious, can realize output in the middle of laser beam A and two B's of laser beam single light path right side, single light path left side, the single light path, output or positive and negative offset about the two light paths of laser beam A-B realize the fast switch-over of multiple light path, the multiple light path output mode of exportable, satisfy different processing requirements, can show improvement machining efficiency, machining error is little. The method is a good technology with novelty, creativity and practicability, and has wide market application prospect.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1: the structure schematic diagram of the positive and negative hedging light path of the system of the utility model;
FIG. 2: the light path structure schematic diagram of the right side output of the single light path;
FIG. 3: the light path structure schematic diagram of the single light path left side output;
FIG. 4: the light path structure schematic diagram of the single light path intermediate output;
FIG. 5: the light path structure schematic diagram of the spot shaping system.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the directional terms and the sequence terms and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 4, the laser shock peening system capable of switching optical paths includes a laser 1 having a first light outlet 2 and a second light outlet 26, where the first light outlet 2 and the second light outlet 26 correspond to a first light inlet 3 and a second light inlet 25 of an external optical path, and a first reflector 4 and a fourth reflector 24 are disposed on the other side of the first light inlet 3 and the second light inlet 25, and the first reflector 4 and the fourth reflector 24 are disposed on a first electric sliding table 6 and are movable; the first reflecting mirror 4 and the fourth reflecting mirror 24 are all-reflecting lenses, the included angle between the first reflecting mirror 4 and the horizontal line is 135 degrees, the included angle between the fourth reflecting mirror 24 and the horizontal line is 45 degrees, and the first reflecting mirror 4 and the fourth reflecting mirror 24 are positioned on the same vertical line;
a second reflecting mirror 5 is arranged on a reflecting light path of the first reflecting mirror 4, a first light spot shaping system 7, a first collimating mirror 8 and a third reflecting mirror 9 are sequentially arranged on the reflecting light path of the second reflecting mirror 5, a first focusing mirror 10 is arranged on the reflecting light path of the third reflecting mirror 9, and the first focusing mirror 10 is arranged on a second electric sliding table 11 and can move; the light spot focused by the first focusing lens 10 acts on an impact sample 12 clamped by a robot 13; the second reflecting mirror 5 and the third reflecting mirror 9 are all reflective lenses, the included angle between the second reflecting mirror 5 and a horizontal line is 135 degrees, the included angle between the third reflecting mirror 9 and the horizontal line is 45 degrees, the second reflecting mirror 5, the first collimating mirror 8 and the third reflecting mirror 9 are positioned on the same horizontal straight line, the first focusing mirror 10 and the third reflecting mirror 9 are positioned on the same vertical line, the first focusing mirror 10 is arranged on the second electric sliding table 11 and can move, parallel light collimated by the first collimating mirror 8 is focused by the first focusing mirror 10, and when a round light spot is output, the first electric sliding table 11 drives the first focusing mirror 10 to move so as to adjust the size of the light spot;
a fifth reflecting mirror 23 is arranged on a reflecting light path of the fourth reflecting mirror 24, a second light spot shaping system 21, a second collimating mirror 20 and a sixth reflecting mirror 19 are sequentially arranged on the reflecting light path of the fifth reflecting mirror 23, a second focusing mirror 17 is arranged on the reflecting light path of the sixth reflecting mirror 19, and the second focusing mirror 17 is arranged on the third electric sliding table 18 and can move; the light spot focused by the second focusing lens 17 can act on the impact sample 12 clamped by the robot 13; the five reflecting mirror 23 and the six reflecting mirror 19 are all-reflecting lenses, the five reflecting mirror 5 forms an included angle of 45 degrees with a horizontal line, the six reflecting mirror 19 forms an included angle of 135 degrees with the horizontal line, the five reflecting mirror 23, the second collimating mirror 20 and the six reflecting mirror 19 are positioned on the same horizontal straight line, the second focusing mirror 17 and the six reflecting mirror 19 are positioned on the same vertical line, parallel light collimated by the second collimating mirror 20 is focused by the second focusing mirror 17, and when a circular light spot is output, the third electric sliding table 18 drives the second focusing mirror 17 to move so as to adjust the size of the light spot;
a third collimating lens 16 and a third focusing lens 15 are further arranged on the other side of the first light inlet 3 and the second light inlet 25, and the third focusing lens 15 is arranged on the fourth electric sliding table 14 and can move; a third light spot shaping system 22 is arranged on the front side of the third collimating mirror 16; the light spot focused by the focusing mirror III 15 can act on the impact sample 12 clamped by the robot 13;
as shown in fig. 5, the spot shaping system 7 includes a microlens array 71 for spot shaping and a shaping element for adjusting the spot, wherein the microlens array 71 is movably disposed on an electric slide table five 72, and the shaping element includes a first beam expander 73, a second beam expander 74 and a third beam expander 76 which are equidistantly disposed in parallel and staggered, and is movably disposed on an electric slide table six 75. The second spot-shaping system 21 and the third spot-shaping system 22 have the same configuration as the first spot-shaping system 7.
In specific application, as shown in fig. 1, the laser 1 can output a first laser beam a and a second laser beam B with two wavelengths of 1064nm and 532nm, and the first laser beam a and the second laser beam B can be output from the first light outlet 2 in a single path or output from the first light outlet 2 and the second light outlet 26 in a double path simultaneously;
as shown in fig. 2, a first laser beam a and a second laser beam B are output in a single path through a first light outlet 2, enter an outer light path from a first light inlet 3, are moved through a first electric sliding table 6 to pass through a first reflecting mirror 4, are reflected onto a second reflecting mirror 5, are collimated through a first collimating mirror 8, change the laser direction through a third reflecting mirror 9, are focused through a first focusing mirror 10, and output single-path laser; the light spot shaping system 7 is positioned between the second reflecting mirror 5 and the first collimating mirror 8, and is used for shaping the round light spot in the light path into a square light spot, and if shaping is not needed, the light beam does not need to pass through the light spot shaping system 7;
as shown in fig. 3, a first laser beam a and a second laser beam B output laser via a first light outlet 2 and a single path, enter an external light path from a first light inlet 3, move through a first electric sliding table 6 to enable the laser beams to pass through a fourth reflector 24, then reflect onto a fifth reflector 23, collimate through a second collimator 20, change the laser direction through a sixth reflector 19, focus through a second focusing mirror 17, and output the laser of the single path; the second light spot shaping system 21 is positioned between the fifth reflecting mirror 23 and the second collimating mirror 20, and is used for shaping the round light spots in the light path into square light spots, and if shaping is not needed, light beams do not need to pass through the second light spot shaping system 21;
as shown in fig. 4, a first laser beam a and a second laser beam B output laser via a first light outlet 2 and a single path, enter an external optical path from a first light inlet 3, move through a first electric sliding table 6, do not pass through a first reflector 4 and a fourth reflector 24, are collimated by a third collimator 16, are focused by a third focusing mirror 15, and output single-path laser; the third light spot shaping system 22 is positioned on the front side of the third collimating mirror 16 and is used for shaping the round light spots in the light path into square light spots, and if shaping is not needed, light beams do not need to pass through the third light spot shaping system 22;
the laser beam A and the laser beam B are simultaneously output through the light outlet I2 and the light outlet II 26, and simultaneously enter an external light path from the light inlet I3 and the light inlet II 25, the laser beams respectively pass through the reflector I4 and the reflector IV 24 by moving the electric sliding table I6 and are sequentially reflected to the reflector II 5 and the reflector V23, the light beam reflected by the reflector II 5 is collimated by the collimator I8, the laser direction is changed by the reflector III 9, the focus is realized by the focus lens I10, and the laser of a single light path is output; the light spot shaping system 7 is positioned between the second reflecting mirror 5 and the first collimating mirror 8, and is used for shaping the round light spot in the light path into a square light spot, and if shaping is not needed, the light beam does not need to pass through the light spot shaping system 7; the light beam reflected by the fifth reflecting mirror 23 is collimated by the second collimating mirror 20, the laser direction is changed by the sixth reflecting mirror 19, and the second focusing mirror 17 focuses and outputs the laser on the left side of the single light path; the second light spot shaping system 21 is positioned between the fifth reflecting mirror 23 and the second collimating mirror 20, and is used for shaping the round light spots in the light path into square light spots, and if shaping is not needed, light beams do not need to pass through the second light spot shaping system 21; after the focusing lens I10 and the focusing lens II 17 focus, two beams of laser act on corresponding points on the front and back surfaces of the impact sample (target material) to output a front and back opposite impact light path.
As shown in fig. 5, when the light spot of the right light path is shaped, the micro lens array 71 of the light spot shaping system 7 shapes the round light spot into a square light spot, and the switching of the first beam expander 73, the second beam expander 74 and the third beam expander 76 is controlled by the six electric sliding tables 75 to adjust the size of the light spot; if the light spot shaping is not needed, the electric sliding table five 72 controls the micro lens array 71 to move, the light beam does not pass through the micro lens array 71, and the light beam directly passes through the shaping element to output a round light spot. The second spot shaping system 21 and the third spot shaping system 22 have the same structure as the first spot shaping system 7, perform spot shaping on the left optical path, and perform spot shaping on the middle optical path, and the principles thereof are the same.
To sum up, the utility model relates to a uniqueness, light path structure are ingenious, can realize output in the middle of laser beam A and two B's of laser beam single light path right side, single light path left side, the single light path, output or positive and negative offset about the two light paths of laser beam A-B output realizes the fast switch-over of multiple light path, the multiple light path output mode of exportable, satisfy different processing requirements, can show improvement machining efficiency, machining error is little. The method is a good technology with novelty, creativity and practicability, and has wide market application prospect.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111571005A (en) * | 2020-06-15 | 2020-08-25 | 温州大学 | Laser shock peening system capable of switching light path and method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111571005A (en) * | 2020-06-15 | 2020-08-25 | 温州大学 | Laser shock peening system capable of switching light path and method thereof |
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