CN210596195U - Clamp system for laser shock experiment - Google Patents
Clamp system for laser shock experiment Download PDFInfo
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- CN210596195U CN210596195U CN201921785729.9U CN201921785729U CN210596195U CN 210596195 U CN210596195 U CN 210596195U CN 201921785729 U CN201921785729 U CN 201921785729U CN 210596195 U CN210596195 U CN 210596195U
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Abstract
The utility model relates to a fixture system for laser shock experiment, the bottom plate of Y-axis motion control platform is connected on the X-axis motion board of X-axis motion control platform, the rotating shaft of theta-axis motion control platform is supported on the Y-axis motion board of Y-axis motion control platform freely and rotatably, the fixture unit is installed on the rotating shaft; a plurality of sliding grooves for the movable calipers to slide in the radial direction are uniformly arranged on the end face of the eight-jaw chuck of the clamp unit at intervals along the circumferential direction, and each sliding groove is internally provided with one movable caliper; a plurality of strip-shaped grooves for the axial pressure plate support to slide in the radial direction are uniformly arranged along the circumferential direction, an axial pressure plate support is arranged in each strip-shaped groove, a radial adjusting screw rod is assembled on a screwing block in each strip-shaped groove, and the axial pressure plate support can be driven to move in the radial direction along the strip-shaped grooves by the rotation of the radial adjusting screw rod; an axial adjusting screw rod is arranged on each axial pressing plate support, and the axial adjusting screw rod can drive the axial pressing plates to axially move on the axial pressing plate supports in a rotating mode. The sample attitude is realized by a manipulator, and the impact trajectory is realized by a clamp system.
Description
Technical Field
The utility model relates to an anchor clamps system for laser shock experiment belongs to laser shock processing technology field.
Background
At present, as a material surface treatment technology, a laser shock peening technology is adopted, ultrashort pulses and laser with high peak power density are adopted to irradiate the surface of a metal material, an absorption layer on the surface of the metal absorbs energy to generate explosive gasification evaporation, high-temperature and high-pressure plasma is generated, the plasma is constrained by a constraint layer to form high-pressure shock waves and spread towards the interior of the material, a dense and stable dislocation structure is formed on the surface layer of the material, and high residual compressive stress is obtained, so that the performances of fatigue resistance, wear resistance, corrosion resistance and the like of the material are improved. Compared with the traditional material modification technologies such as shot blasting, rolling, extrusion and the like, the laser shock peening has the advantages of good strengthening effect, non-contact property, strong controllability, good adaptability and the like.
In order to further develop the laser shock peening technology and apply the laser shock peening technology to more fields, the peening effect of the laser shock peening technology under different materials and working conditions needs to be further tested and researched. The traditional laser shock-strengthened part/sample uses a clamp with single function, and the workload of the sample clamping and adjusting process is large; the test requirements of a specific impact environment or atmosphere environment cannot be met; in addition, the basic current laser shock scheme is that a light path is fixed, a workpiece moves, and a shock track is realized, however, the workpiece moves through a manipulator, the moment of inertia of the manipulator is large, the rotation precision is not high, and the manipulator motion track is complex for realizing a certain specific shock motion track.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art existence, provide a fixture system for laser shock experiment.
The purpose of the utility model is realized through the following technical scheme:
a anchor clamps system for laser shock experiment, the characteristics are: the manipulator comprises an X-axis motion control platform, a Y-axis motion control platform, a theta-axis motion control platform and a clamp unit, wherein a bottom plate of the X-axis motion control platform is installed on a manipulator connecting plate which is connected on a manipulator front flange;
the clamp unit comprises an eight-jaw chuck, an axial pressure plate support and an axial pressure plate, wherein a plurality of sliding grooves for the radial sliding of the movable calipers are uniformly arranged on the end surface of the eight-jaw chuck at intervals along the circumferential direction, each sliding groove is internally provided with one movable caliper, and the radial movement of the movable calipers realizes the clamping or releasing of a workpiece;
a plurality of strip-shaped grooves for the axial pressure plate support to slide radially are further uniformly formed in the end face along the circumferential direction, an axial pressure plate support is configured in each strip-shaped groove, a screwing block is fixed in each strip-shaped groove, a radial adjusting screw rod is assembled on the screwing block and matched with threads at the bottom end of the axial pressure plate support, and the radial adjusting screw rod rotates to drive the axial pressure plate support to move radially along the strip-shaped grooves, so that radial stroke adjustment is realized; an axial adjusting screw rod is arranged on each axial pressing plate support and matched with the threads of the axial pressing plate, and the axial adjusting screw rod can rotate to drive the axial pressing plate to axially move on the axial pressing plate support, so that axial stroke adjustment is realized.
Further, in the fixture system for the laser shock test, the manipulator front flange is connected with the manipulator of the laser shock peening warehouse clamping robot, and the manipulator connecting plate is provided with the constrained layer water pipe joint flange.
Further, in the clamp system for the laser shock experiment, a link mechanism is arranged on the eight-jaw chuck, and the link mechanism is in driving connection with the movable calipers and can drive the movable calipers to slide along the radial direction of the sliding groove.
Further, in the above-mentioned fixture system for laser shock experiments, the X-axis motion control platform includes a slider, a linear guide, a servo motor, a lead screw bearing seat, a lead screw, and a nut block, the linear guide is disposed on a bottom plate of the X-axis motion control platform, the slider fits the linear guide and can slide linearly along the linear guide, the lead screw is rotatably supported on the lead screw bearing seat, the lead screw bearing seat is mounted on the bottom plate, the lead screw is screwed with the nut block, the servo motor is in driving connection with the lead screw to drive the lead screw to rotate, and the X-axis motion plate is disposed on the slider and connected with the nut block.
Further, in the above fixture system for the laser shock experiment, two parallel linear guide rails are arranged on the bottom plate of the X-axis motion control platform, and two sliding blocks are arranged on each linear guide rail.
Further, the above-mentioned clamp system for laser shock test, wherein the diameter of the lead screw is 8mm, and the length is 80 mm.
Further, in the above-mentioned clamp system for laser shock test, a driven pulley is installed on the rotating shaft of the θ -axis motion control platform, a driving pulley is installed on the main shaft of the servo motor on one side, the synchronous belt is tensioned on the driving pulley and the driven pulley, and the servo motor drives the synchronous belt to run to drive the rotating shaft to rotate.
Compared with the prior art, the utility model have apparent advantage and beneficial effect, the concrete aspect that embodies is in following:
① the utility model can adjust the clamp unit to realize radial and axial positioning and clamping according to the sample type and specification, and can clamp the sample;
② the utility model has the characteristics of flexibility, and can clamp plate parts, bearings, friction wear samples, fatigue samples and blades, the posture of the sample is realized by a manipulator, the impact track of the sample is realized by a clamp system, and the ball screw is used to improve the motion precision;
③ has the advantages of high precision, simple structure, easy assembly and disassembly, and convenient maintenance.
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 clamp system of the utility model;
FIG. 2: the structure schematic diagram of the X-axis motion control platform;
FIG. 3: the structure of the clamp unit is schematically shown.
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, the clamp system for the laser shock test comprises an X-axis motion control platform 4, a Y-axis motion control platform 5, a θ -axis motion control platform 6 and a clamp unit 7, wherein a bottom plate of the X-axis motion control platform 4 is installed on a manipulator connecting plate 2, the manipulator connecting plate 2 is connected to a manipulator front flange 1, the manipulator front flange 1 is connected with a manipulator of the laser shock strengthening library card robot, and a constraint layer water pipe joint flange 3 is arranged on the manipulator connecting plate 2;
as shown in fig. 2, the X-axis motion control platform 4 includes a slider 41, a linear guide rail 42, a servo motor 45, a lead screw bearing seat 47, a lead screw 48 and a nut block 49, two parallel linear guide rails 42 are arranged on a bottom plate of the X-axis motion control platform 4, two sliders 41 are arranged on each linear guide rail 42, the slider 41 can slide linearly along the slider, the lead screw 48 is rotatably supported on the lead screw bearing seat 47, the lead screw bearing seat 47 is mounted on the bottom plate, a nut block 49 is rotatably arranged on the lead screw 48, the servo motor 45 is in driving connection with the lead screw 48 to drive the lead screw to rotate, the diameter of the lead screw 48 is 8mm, the length of the lead screw 48 is 80mm, when the lead screw bears a working load, the maximum deformation is 0.02mm, and the peak value of a stress cloud diagram is 197.1MPa, which is smaller than the yield strength 210MPa of; the X-axis moving plate 9 is arranged on the sliding block 41 and connected with the nut block 49; the servo motor 45 drives the screw rod 48 to operate, so that the nut block 49 moves linearly, and the X-axis moving plate 9 can move along the X-axis direction under the guiding action of the sliding block 41 and the linear guide rail 42; the lead screw 48 ensures the accuracy of the movement, driven by the servo motor 45.
The structure of the Y-axis motion control platform 5 is the same as that of the X-axis motion control platform 4, and a Y-axis motion plate 8 of the Y-axis motion control platform 5 can move along the Y-axis direction;
the bottom plate of the Y-axis motion control platform 5 is connected to the X-axis motion plate 9 of the X-axis motion control platform 4, the rotating shaft 69 of the theta-axis motion control platform 6 is rotatably supported on the Y-axis motion plate 8 of the Y-axis motion control platform 5, the clamp unit 7 is arranged on the rotator flange 61, and the rotator flange 61 is arranged on the rotating shaft 69; a driven pulley 68 is arranged on the rotating shaft 69, a driving pulley 62 is arranged on the main shaft of the servo motor 66 on one side, the synchronous belt 65 is tensioned on the driving pulley 62 and the driven pulley 68, and the servo motor 66 drives the synchronous belt 65 to run to drive the rotating shaft 69 to rotate so as to drive the clamp unit 7 to rotate;
as shown in fig. 3, the clamping unit 7 includes an eight-jaw chuck 71, an axial pressure plate support 77 and an axial pressure plate 79, four sliding slots for the movable caliper 74 to slide radially are uniformly arranged on an end surface of the eight-jaw chuck 71 at intervals along the circumferential direction, a movable caliper 74 is arranged in each sliding slot, a link mechanism 73 is arranged on the eight-jaw chuck 71, the link mechanism 73 is in driving connection with the movable caliper 74, the movable caliper 74 can be driven to slide radially along the sliding slots, and the radial movement of the movable caliper 74 can clamp or release a workpiece;
four strip-shaped grooves for the axial pressing plate support 77 to slide radially are uniformly formed in the end face along the circumferential direction, an axial pressing plate support 77 is arranged in each strip-shaped groove, a screwing block 76 is fixed in each strip-shaped groove, a radial adjusting screw rod 75 is assembled on the screwing block 76, the radial adjusting screw rod 75 is matched with threads at the bottom end of the axial pressing plate support 77, and the radial adjusting screw rod 75 rotates to drive the axial pressing plate support 77 to move radially along the strip-shaped grooves, so that radial stroke adjustment is realized; an axial adjusting screw rod 78 is mounted on each axial pressing plate support 77, the axial adjusting screw rods 78 are matched with the threads of the axial pressing plates 79, and the axial adjusting screw rods 78 rotate to drive the axial pressing plates 79 to axially move on the axial pressing plate supports 77, so that axial stroke adjustment is realized.
When the laser shock peening library card robot is applied specifically, firstly, the X-Y-theta three-axis motion device is formed by the X-axis motion control platform 4, the Y-axis motion control platform 5 and the theta-axis motion control platform 6 and is connected with a manipulator of the laser shock peening library card robot in an installing mode through the manipulator front flange 1.
The theta axis motion control platform 6 is provided with the clamp unit 7 through a rotary table flange, the eight-claw chuck 71 is connected to the rotating body flange 61 through a bolt, and the X axis motion control platform 4, the Y axis motion control platform 5 and the theta axis motion control platform 6 cooperatively move to drive the clamp unit 7 to move in the X-Y-theta three axes.
After the installation is finished, the movable caliper 74 is driven to slide along the sliding groove in the radial direction through the adjusting connecting rod mechanism 73, the movable caliper 74 moves in the radial direction, and the workpiece is released and clamped;
the radial adjusting screw rod 75 is adjusted to rotate to drive the axial pressing plate bracket 77 to move along the strip-shaped groove in the radial direction, and the radial stroke adjustment is carried out on the axial pressing plate bracket 77 and the axial pressing plate 79;
the axial pressure plate 79 can be driven to axially move on the axial pressure plate bracket 77 through the rotation of the adjusting axial adjusting screw rod 78, and the axial stroke of the axial pressure plate 79 is adjusted.
And (4) carrying out a laser shock test after the workpiece sample is radially and axially positioned and clamped. And after the experiment is finished, loosening the clamp and taking down the workpiece sample.
In summary, the utility model can adjust the clamp unit to realize radial and axial positioning and clamping according to the sample type and specification, and can clamp the sample; the X-axis motion control platform, the Y-axis motion control platform and the theta-axis motion control platform cooperatively move to drive the clamp unit to move in the X-Y-theta three axes.
The utility model has the characteristics of flexibility is big, but centre gripping plate-shaped part, bearing, friction wear sample, tired sample and blade, and the gesture of sample is realized by the manipulator, and sample impact trajectory is realized by the anchor clamps system, utilizes ball screw to improve the motion precision.
The device has the advantages of high precision, simple structure, easy assembly and disassembly, convenient maintenance and the like.
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.
Claims (7)
1. A anchor clamps system for laser shock experiment which characterized in that: the manipulator mechanism comprises an X-axis motion control platform (4), a Y-axis motion control platform (5), a theta-axis motion control platform (6) and a clamp unit (7), wherein a bottom plate of the X-axis motion control platform (4) is installed on a manipulator connecting plate (2), the manipulator connecting plate (2) is connected to a manipulator front flange (1), the bottom plate of the Y-axis motion control platform (5) is connected to an X-axis motion plate (9) of the X-axis motion control platform (4), a rotating shaft (69) of the theta-axis motion control platform (6) is rotatably supported on a Y-axis motion plate (8) of the Y-axis motion control platform (5), the clamp unit (7) is arranged on a rotating body flange (61), and the rotating body flange (61) is installed on the rotating shaft (69);
the clamp unit (7) comprises an eight-jaw chuck (71), an axial pressure plate support (77) and an axial pressure plate (79), a plurality of sliding grooves for the movable calipers (74) to slide in the radial direction are uniformly arranged on the end face of the eight-jaw chuck (71) at intervals along the circumferential direction, a movable caliper (74) is arranged in each sliding groove, and the radial movement of the movable caliper (74) realizes the clamping or releasing of a workpiece;
a plurality of strip-shaped grooves for the axial pressure plate supports (77) to slide radially are further uniformly formed in the end face along the circumferential direction, an axial pressure plate support (77) is arranged in each strip-shaped groove, a screwing block (76) is fixed in each strip-shaped groove, a radial adjusting screw rod (75) is assembled on each screwing block (76), the radial adjusting screw rod (75) is matched with threads at the bottom end of the axial pressure plate support (77), and the radial adjusting screw rod (75) rotates to drive the axial pressure plate supports (77) to move radially along the strip-shaped grooves, so that radial stroke adjustment is realized; an axial adjusting screw rod (78) is installed on each axial pressing plate support (77), the axial adjusting screw rods (78) are matched with the threads of the axial pressing plates (79), and the axial adjusting screw rods (78) rotate to drive the axial pressing plates (79) to axially move on the axial pressing plate supports (77) so as to realize axial stroke adjustment.
2. The jig system for laser shock experiments according to claim 1, wherein: the manipulator preposed flange (1) is connected with the manipulator of the laser shock peening warehouse card robot, and the manipulator connecting plate (2) is provided with a restriction layer water pipe joint flange (3).
3. The jig system for laser shock experiments according to claim 1, wherein: the eight-jaw chuck (71) is provided with a connecting rod mechanism (73), the connecting rod mechanism (73) is in driving connection with the movable caliper (74), and the movable caliper (74) can be driven to slide along the radial direction of the sliding groove.
4. The jig system for laser shock experiments according to claim 1, wherein: the X-axis motion control platform (4) comprises a sliding block (41), a linear guide rail (42), a servo motor (45), a screw bearing seat (47), a lead screw (48) and a nut block (49), wherein the linear guide rail (42) is arranged on a bottom plate of the X-axis motion control platform (4), the sliding block (41) is matched with the linear guide rail (42) and can slide linearly along the linear guide rail, the lead screw (48) is rotatably supported on the screw bearing seat (47), the lead screw bearing seat (47) is installed on the bottom plate, the nut block (49) is rotationally matched on the lead screw (48), the servo motor (45) is in driving connection with the lead screw (48) to drive the lead screw to rotate, and an X-axis motion plate (9) is arranged on the sliding block (41) and is connected with the nut block (49).
5. The jig system for laser shock experiments according to claim 4, wherein: two parallel linear guide rails (42) are arranged on a bottom plate of the X-axis motion control platform (4), and two sliding blocks (41) are arranged on each linear guide rail (42).
6. The jig system for laser shock experiments according to claim 4, wherein: the diameter of the lead screw (48) is 8mm, and the length is 80 mm.
7. The jig system for laser shock experiments according to claim 1, wherein: a driven pulley (68) is installed on a rotating shaft (69) of the theta axis motion control platform (6), a driving pulley (62) is installed on a main shaft of a servo motor (66) on one side, a synchronous belt (65) is tensioned on the driving pulley (62) and the driven pulley (68), and the servo motor (66) drives the synchronous belt (65) to run to drive the rotating shaft (69) to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921785729.9U CN210596195U (en) | 2019-10-23 | 2019-10-23 | Clamp system for laser shock experiment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921785729.9U CN210596195U (en) | 2019-10-23 | 2019-10-23 | Clamp system for laser shock experiment |
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| CN210596195U true CN210596195U (en) | 2020-05-22 |
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| CN201921785729.9U Active CN210596195U (en) | 2019-10-23 | 2019-10-23 | Clamp system for laser shock experiment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110592366A (en) * | 2019-10-23 | 2019-12-20 | 温州大学激光与光电智能制造研究院 | Clamp system for laser shock experiment |
| CN111823013A (en) * | 2020-07-18 | 2020-10-27 | 西安交通大学 | Manufacturing equipment combining metal fuse material increase and decrease and laser shock peening |
-
2019
- 2019-10-23 CN CN201921785729.9U patent/CN210596195U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110592366A (en) * | 2019-10-23 | 2019-12-20 | 温州大学激光与光电智能制造研究院 | Clamp system for laser shock experiment |
| CN111823013A (en) * | 2020-07-18 | 2020-10-27 | 西安交通大学 | Manufacturing equipment combining metal fuse material increase and decrease and laser shock peening |
| CN111823013B (en) * | 2020-07-18 | 2021-08-27 | 西安交通大学 | Manufacturing equipment combining metal fuse material increase and decrease and laser shock peening |
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