CN218733954U - High-integration piezoelectric driving platform - Google Patents
High-integration piezoelectric driving platform Download PDFInfo
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- CN218733954U CN218733954U CN202221635088.0U CN202221635088U CN218733954U CN 218733954 U CN218733954 U CN 218733954U CN 202221635088 U CN202221635088 U CN 202221635088U CN 218733954 U CN218733954 U CN 218733954U
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- 235000012431 wafers Nutrition 0.000 claims description 22
- 230000010354 integration Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of precision drivers, in particular to a high-integration piezoelectric driving platform, which comprises a bottom plate, two side plates, two limiting plates, a piezoelectric component, a movable plate and two sliding plates; the two side plates are respectively arranged on two sides of the bottom plate, and the end surfaces of the two side plates, which are close to each other, are provided with sliding grooves; two ends of each limiting plate are connected with two side plates, and first electrified magnets are arranged on the side limiting plates; the two ends of the moving plate are both provided with connecting blocks, the end face of the moving plate facing the first electrified magnet is provided with a second electrified magnet, and the end face of the moving plate far away from the first electrified magnet is provided with a third electrified magnet; the two sliding plates are respectively connected with the connecting block, the two sliding plates are respectively connected with the inner walls of the two sliding chutes in a sliding manner, and the end surfaces, close to each other, of the two sliding plates are respectively provided with a fourth electromagnet; the piezoelectric assembly is placed on the bottom plate, and the annular electromagnet is arranged on the piezoelectric assembly. The utility model discloses be convenient for carry out the accuracy spacing to output platform.
Description
Technical Field
The utility model relates to a precision driver technical field, concretely relates to high integration piezoelectric drive platform.
Background
The traditional motion platform is mainly driven by an electromagnetic rotating motor, the driving mode is poor in reality, the achievable linear motion positioning precision or speed is low, and electromagnetic interference is generated. The piezoelectric actuator has obvious advantages in terms of positioning accuracy, response speed and the like, and research on a multi-degree-of-freedom positioning platform developed based on the piezoelectric actuator has become a hot spot in recent years. However, there are still many disadvantages of the moving platform based on different kinds of piezoelectric drivers. The piezoelectric driving platform can realize the motion of three degrees of freedom, and the linear velocity, the angular velocity and the driving force of the driving platform are improved by utilizing the precise driving output of the piezoelectric inertia driver.
Chinese patent No. CN206686103U discloses a three-degree-of-freedom piezoelectric driving platform based on inertial impact, which aims to solve the problem of using three-degree-of-freedom piezoelectric driving based on inertial impact. The three-degree-of-freedom piezoelectric driving platform based on inertial impact mainly comprises an output platform, a metal substrate, an inertial mass block, a piezoelectric wafer, a driver connecting shaft, an upper sliding plate, a lower sliding plate, a cylindrical guide rail and a fixed platform. The system provides the three-degree-of-freedom piezoelectric driving platform based on inertial impact, which has the advantages of small occupied space, simple structure, high detection precision, simplicity and convenience in operation, easiness in installation, lower cost and reliable performance.
However, the device has a small movement limit range of the output platform through the rail, is inconvenient for the movement and accurate limit of the output platform, and is inconvenient for further limit of the displacement of the output platform.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is to the problem that exists among the background art, provides one kind and is convenient for carry out accurate spacing high integration piezoelectric drive platform to output platform.
The technical scheme of the utility model: a high-integration piezoelectric driving platform comprises a bottom plate, two side plates, two limiting plates, a piezoelectric assembly, a moving plate and two sliding plates;
the two side plates are respectively arranged on two sides of the bottom plate, and the end surfaces of the two side plates, which are close to each other, are provided with sliding grooves; the two limiting plates are positioned on two sides of the bottom plate, two ends of each limiting plate are connected with the two side plates, and a first electrified magnet is arranged on one limiting plate;
the two ends of the moving plate are both provided with connecting blocks, the end face of the moving plate facing the first electrified magnet is provided with a second electrified magnet, and the end face of the moving plate far away from the first electrified magnet is provided with a third electrified magnet; the two sliding plates are respectively connected with the connecting block, the two sliding plates are respectively connected with the inner walls of the two sliding chutes in a sliding manner, and the end surfaces, close to each other, of the two sliding plates are respectively provided with a fourth electromagnet;
the piezoelectric assembly is placed on the bottom plate, and the annular electromagnet is arranged on the piezoelectric assembly.
Preferably, the piezoelectric assembly comprises an output platform, four piezoelectric wafers, a driver connecting shaft and a fixing plate; two ends of the driver connecting shaft are respectively connected with the output platform and the fixing plate; the annular electromagnet is arranged outside the fixing plate, the four piezoelectric wafers are all arranged on the driver connecting shaft, the four piezoelectric wafers are distributed in a circumferential manner by taking the central axis of the driver connecting shaft as the axis, and the bottom surface of each piezoelectric wafer is provided with a moving foot; the plurality of movable feet are pressed tightly on the bottom plate.
Preferably, the driver connecting shaft is a steel cylindrical part.
Preferably, the output platform is provided with a plurality of positioning holes.
Preferably, four piezoelectric wafers are detachably mounted on the driver connecting shaft.
Preferably, four grooves are arranged on the driver connecting shaft; mounting frames are arranged outside the four piezoelectric wafers; a plurality of installing frames are all detachably installed in the four grooves through bolts.
Preferably, bottom plate, two curb plates and two limiting plates are integrated into one piece structure.
Preferably, the connecting blocks are provided with rollers.
Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has:
the user is through to first circular telegram magnet, the second circular telegram magnet, third circular telegram magnet and fourth circular telegram magnet carry out the circular telegram, the first circular telegram magnet of size control through the electric current, the second circular telegram magnet, the magnetic force size of third circular telegram magnet and fourth circular telegram magnet, thereby make the position of movable plate change, preliminary definite has been carried out the position of piezoelectric assembly, then through the circular telegram of piezoelectric assembly, piezoelectric assembly moves under self circular telegram effect, make the distance between annular electromagnet and third circular telegram magnet and the fourth circular telegram magnet change, under the effort between annular electromagnet and third circular telegram magnet and fourth circular telegram magnet, further accurate control has been carried out piezoelectric assembly, the accuracy of device removal has been improved.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a schematic structural diagram of the middle piezoelectric module of the present invention.
FIG. 4 is a schematic view of the mounting structure of the middle moving plate of the present invention
Reference numerals: 1. a base plate; 2. a side plate; 201. a chute; 3. a limiting plate; 4. a first electrification magnet; 5. a piezoelectric component; 51. an output platform; 52. a piezoelectric wafer; 53. an annular electromagnet; 54. a driver connecting shaft; 55. a fixing plate; 56. a moving foot; 6. moving the plate; 7. a second electromagnet; 8. a third electromagnet; 9. connecting blocks; 10. a sliding plate; 11. a fourth electromagnet.
Detailed Description
Example one
As shown in fig. 1-4, the utility model provides a high integration piezoelectric driving platform, including bottom plate 1, two curb plates 2, two limiting plates 3, piezoelectric unit 5, movable plate 6 and two sliding plates 10.
The two side plates 2 are respectively arranged at two sides of the bottom plate 1, and the end surfaces of the two side plates 2 close to each other are provided with sliding grooves 201; the two limiting plates 3 are positioned on two sides of the bottom plate 1, two ends of each limiting plate 3 are connected with the two side plates 2, and a first electrified magnet 4 is arranged on one limiting plate 3; the limiting plate 3 is provided with a first power supply for electrifying the first electrifying magnet 4; the bottom plate 1, the two side plates 2 and the two limiting plates 3 are of an integrally formed structure; the integrally formed bottom plate 1, the two side plates 2 and the two limiting plates 3 are connected more firmly, so that the service lives of the bottom plate 1, the two side plates 2 and the two limiting plates 3 are prolonged; one side plate 2 is provided with a controller; the controller controls the current in the first electromagnet 4, the second electromagnet 7, the third electromagnet 8 and the fourth electromagnet 11 and supplies power to the piezoelectric assembly 5.
The two ends of the moving plate 6 are both provided with connecting blocks 9, the end face of the moving plate 6 facing the first electrified magnet 4 is provided with a second electrified magnet 7, and the end face of the moving plate 6 far away from the first electrified magnet 4 is provided with a third electrified magnet 8; a second power supply is arranged on the moving plate 6 and the two sliding plates 10; the two sliding plates 10 are respectively connected with the connecting block 9, the two sliding plates 10 are respectively connected with the inner walls of the two sliding grooves 201 in a sliding manner, and fourth electromagnets 11 are respectively arranged on the end surfaces, close to each other, of the two sliding plates 10; the connecting blocks 9 are provided with rollers, so that the friction force on the sliding plate 10 during movement is reduced.
The piezoelectric component 5 is placed on the bottom plate 1, and the annular electromagnet 53 is arranged on the piezoelectric component 5; the annular electromagnet 53 is positioned at the same level as the third through electromagnet 8 and the fourth through electromagnet 11.
The utility model discloses in, during the use, the user is through to first circular telegram magnet 4, second circular telegram magnet 7, third circular telegram magnet 8 and fourth circular telegram magnet 11 are circular telegram, the first circular telegram magnet 4 of size control through the electric current, second circular telegram magnet 7, the magnetic force size of third circular telegram magnet 8 and fourth circular telegram magnet 11, thereby make the position of movable plate 6 change, preliminary definite has been carried out to piezoelectric assembly 5's position, then through piezoelectric assembly 5's circular telegram, piezoelectric assembly 5 moves under self circular telegram effect, make the distance between annular electromagnet 53 and third circular telegram magnet 8 and the fourth circular telegram magnet 11 change, under the effort between annular electromagnet 53 and third circular telegram magnet 8 and fourth circular telegram magnet 11, further accurate control has been carried out piezoelectric assembly 5, the accuracy of device removal has been improved.
Example two
As shown in fig. 3, compared with the first embodiment, the present embodiment further describes in detail a structure of a piezoelectric assembly 5 according to the first embodiment of the present invention; the piezoelectric assembly 5 includes an output stage 51, four piezoelectric wafers 52, a driver connecting shaft 54, and a fixed plate 55; the two ends of the driver connecting shaft 54 are respectively connected with the output platform 51 and the fixing plate 55, and the driver connecting shaft 54 is a steel cylindrical part; a plurality of positioning holes are formed in the output platform 51, so that the parts can be conveniently positioned; the annular electromagnet 53 is installed outside the fixing plate 55, the four piezoelectric wafers 52 are all installed on the driver connecting shaft 54, the four piezoelectric wafers 52 are circumferentially distributed by taking the central axis of the driver connecting shaft 54 as the axis, and the bottom surface of each piezoelectric wafer 52 is provided with a moving foot 56; a plurality of movable feet 56 are pressed tightly on the bottom plate 1; the four piezoelectric wafers 52 are detachably mounted on the driver connecting shaft 54; four grooves are arranged on the driver connecting shaft 54; mounting frames are arranged outside the four piezoelectric wafers 52; the installation frames are detachably installed in the four grooves through bolts; the installation and replacement of the four piezoelectric wafers 52 are facilitated by the installation frame and the grooves, and the practicability of the device is improved.
In this embodiment, when the piezoelectric module is used, a user passes through currents in different directions to the four piezoelectric wafers 52, so that the output platform 51 and the fixing plate 55 move in different directions, the specific passing modes are recorded in a comparison document, and then the annular electromagnet 53 and the third passing electromagnet 8 and the two fourth passing electromagnets 11 repel each other, so that the position of the piezoelectric module 5 is further limited, and the position of the piezoelectric module 5 is more accurate.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.
Claims (8)
1. A high-integration piezoelectric driving platform is characterized by comprising a bottom plate (1), two side plates (2), two limiting plates (3), a piezoelectric assembly (5), a moving plate (6) and two sliding plates (10);
the two side plates (2) are respectively arranged at two sides of the bottom plate (1), and the end surfaces of the two side plates (2) close to each other are respectively provided with a sliding chute (201); the two limiting plates (3) are positioned on two sides of the bottom plate (1), two ends of each limiting plate (3) are connected with the two side plates (2), and a first electrified magnet (4) is arranged on one limiting plate (3);
the two ends of the moving plate (6) are respectively provided with a connecting block (9), the end face, facing the first electrifying magnet (4), of the moving plate (6) is provided with a second electrifying magnet (7), and the end face, far away from the first electrifying magnet (4), of the moving plate (6) is provided with a third electrifying magnet (8); the two sliding plates (10) are respectively connected with the connecting block (9), the two sliding plates (10) are respectively connected with the inner walls of the two sliding chutes (201) in a sliding manner, and the end surfaces, close to each other, of the two sliding plates (10) are respectively provided with a fourth electromagnet (11);
the piezoelectric component (5) is arranged on the bottom plate (1), and the annular electromagnet (53) is arranged on the piezoelectric component (5).
2. A highly integrated piezoelectric driving stage according to claim 1, wherein the piezoelectric assembly (5) comprises an output stage (51), four piezoelectric wafers (52), a driver connecting shaft (54) and a fixed plate (55); two ends of the driver connecting shaft (54) are respectively connected with the output platform (51) and the fixing plate (55); the annular electromagnet (53) is arranged outside the fixing plate (55), the four piezoelectric wafers (52) are all arranged on the driver connecting shaft (54), the four piezoelectric wafers (52) are circumferentially distributed by taking the central axis of the driver connecting shaft (54) as the axis, and the bottom surface of each piezoelectric wafer (52) is provided with a moving foot (56); the plurality of moving feet (56) are all pressed on the bottom plate (1).
3. A highly integrated piezoelectric actuator platform as claimed in claim 2, wherein the actuator connecting shaft (54) is a steel cylindrical member.
4. A highly integrated piezoelectric driven stage according to claim 2, wherein the output stage (51) is provided with a plurality of positioning holes.
5. A highly integrated piezoelectric driving stage according to claim 2, wherein four piezoelectric wafers (52) are detachably mounted on the driver connecting shaft (54).
6. The highly integrated piezoelectric driving stage according to claim 5, wherein the driver connecting shaft (54) is provided with four grooves; mounting frames are arranged outside the four piezoelectric wafers (52); a plurality of installing frames are all detachably installed in the four grooves through bolts.
7. The high-integration piezoelectric driving platform according to claim 1, wherein the bottom plate (1), the two side plates (2) and the two limiting plates (3) are of an integrally formed structure.
8. The piezoelectric driving platform with high integration degree according to claim 1, wherein the connecting blocks (9) are provided with rollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221635088.0U CN218733954U (en) | 2022-06-28 | 2022-06-28 | High-integration piezoelectric driving platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221635088.0U CN218733954U (en) | 2022-06-28 | 2022-06-28 | High-integration piezoelectric driving platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218733954U true CN218733954U (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221635088.0U Expired - Fee Related CN218733954U (en) | 2022-06-28 | 2022-06-28 | High-integration piezoelectric driving platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218733954U (en) |
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2022
- 2022-06-28 CN CN202221635088.0U patent/CN218733954U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20230324 |