CN216561203U - Precision sample stage of microscope based on friction drive - Google Patents
Precision sample stage of microscope based on friction drive Download PDFInfo
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- CN216561203U CN216561203U CN202122988174.1U CN202122988174U CN216561203U CN 216561203 U CN216561203 U CN 216561203U CN 202122988174 U CN202122988174 U CN 202122988174U CN 216561203 U CN216561203 U CN 216561203U
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Abstract
The utility model discloses a microscope precision sample stage based on friction drive, which comprises a sample stage and a stage placing groove, wherein the stage placing groove is fixedly connected to the middle position of the upper end of the sample stage, the microscope sample stage structure based on friction drive to realize precision positioning has the functions of precision positioning, low cost and convenient processing and assembly, when in positioning, a motor is electrically connected with an external power supply and is started, the motor drives a worm, the worm further drives a worm wheel, the long friction shaft rotates along with the worm wheel because the worm wheel is fastened on the long friction shaft, when a pressure plate applies pressure to the small friction seat, the small friction seat transmits the pressure to the short friction shaft, and the short friction shaft tightly presses a friction rod on the long friction shaft, so that friction force exists between the friction rod and the long friction shaft, the friction force drives the friction rod to do linear motion, and finally the friction rod pushes the sample table to move, so that the repeated positioning is accurate.
Description
Technical Field
The utility model relates to the technical field of biological and medical observation instruments, in particular to a microscope precision sample stage based on friction driving.
Background
Microscopes are important technical means and tools in the field of modern microscopic observation. With the continuous and deep scientific research of various industries, people have more and more demands on microscopes and higher requirements on the precision of the microscopes. In order to meet the working occasions with particularly high precision requirements, the repeated positioning precision of the microscope sample stage is developed towards the submicron level.
The repeated positioning precision of the conventional microscope sample stage on the market reaches about +/-1 um, and the submicron microscope sample stage is mainly driven by a flexible hinge and piezoelectric ceramics. The driving mode has high cost and small displacement, and is difficult to popularize under the condition of limited cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a friction-drive-based microscope precision sample stage, and aims to solve the problems that the conventional submicron microscope sample stage in the background art is mainly driven by a flexible hinge and piezoelectric ceramics, and the driving mode is high in cost, small in displacement and difficult to popularize under the condition of limited cost.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a precision sample platform of microscope based on friction drive, includes sample platform and objective table standing groove, objective table standing groove installation fixed connection is on the upper end intermediate position of sample platform, objective table standing groove both sides are provided with the sample and press from both sides, the downside end of sample platform is provided with the motor, the left side of motor is provided with the worm, the upper end of worm is provided with the worm wheel, the left end of worm wheel is provided with the friction lever, the left end of friction lever is provided with the drive block, motor and external power source electric connection.
The rear end of the worm wheel is provided with a short friction shaft, two ends of the outer side of the short friction shaft are provided with large friction seats, the left side of the inner portion of each large friction seat is provided with a long friction shaft, the bottom end of the inner side of each large friction seat is provided with a small friction seat, and the bottom end of each small friction seat is provided with a pressing plate.
The motor is fixedly installed through a fixed metal plate, and the motor is fixedly installed at the end position of the lower side of the sample table.
The worm and the motor are fixedly connected and installed in a sleeved mode, and the worm is fixedly connected to an output shaft of the motor.
The sample stage and the sample clamp are fixedly connected and installed in a threaded rotating mode, and the sample clamp is fixedly connected to the two sides of the upper end of the sample clamp.
The worm wheel and the worm are connected and rotate through the gear in a matching mode, and the worm drives the worm wheel to rotate.
The sample table and the driving block are fixedly connected and installed in a buckling mode, and the driving block is fixedly connected to the sample table.
In summary, due to the adoption of the technology, the utility model has the beneficial effects that:
in the utility model, the microscope sample stage structure which realizes precise positioning based on friction driving has the advantages of precise positioning, low cost and convenient processing and assembly, when the precise adjustment and positioning are carried out, the motor is electrically connected with an external power supply and is started, the motor drives the worm, the worm further drives the worm wheel, the worm wheel is fastened on the long friction shaft, the long friction shaft rotates along with the worm wheel, when a pressure plate applies pressure to the small friction seat, the small friction seat transmits the pressure to the short friction shaft, the short friction shaft presses the friction rod on the long friction shaft, so that friction force exists between the friction rod and the long friction shaft, when the long friction shaft rotates along with the worm wheel, the friction rod drives the friction rod to move linearly, and finally the friction rod pushes the sample stage to move, the repeated positioning precision reaches submicron level, and the microscope sample stage structure which realizes precise positioning based on friction driving, the repeated positioning precision reaches submicron level, the cost is low, the processing and the assembly are convenient, the stroke is long, and the application range is wide.
Drawings
FIG. 1 is a schematic perspective view of a precision microscope sample stage based on friction drive according to the present invention;
FIG. 2 is a detailed structural diagram of the area A of a precision microscope sample stage based on friction driving according to the present invention;
FIG. 3 is a schematic diagram of a side view of the area A of a precision microscope stage based on friction driving according to the present invention.
In the figure: 1. a sample stage; 2. a drive block; 3. a friction lever; 4. a worm gear; 5. a worm; 6. a motor; 7. a long friction shaft; 8. a large friction seat; 9. a short friction shaft; 10. a small friction seat; 11. pressing a plate; 12. a sample holder; 13. objective table standing groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Example one
Referring to fig. 1, 2 and 3, a microscope precision sample stage based on friction driving comprises a sample stage 1 and a stage placing groove 13, the stage placing groove 13 is fixedly connected to the middle position of the upper end of the sample stage 1, sample clamps 12 are arranged on two sides of the stage placing groove 13, a motor 6 is arranged at the end of the lower side of the sample stage 1, a worm 5 is arranged on the left side of the motor 6, a worm wheel 4 is arranged on the upper end of the worm 5, a friction rod 3 is arranged on the left end of the worm wheel 4, a driving block 2 is arranged on the left end of the friction rod 3, the motor 6 is electrically connected with an external power supply, the worm 5 and the motor 6 are fixedly connected and installed in a sleeved mode, the worm 5 is fixedly connected to the output shaft of the motor 6, the worm wheel 4 and the worm 5 are connected and rotated in a matched mode through gears, the worm 5 drives the worm wheel 4, when the device is used, the sample stage 1 is fixedly installed on a microscope precision sample holder, further, the object to be magnified is placed in the placing groove 13 of the objective table and fixed by the sample clamps 12 at the two ends, then the motor 6 is electrically connected with an external power supply, and further during precise positioning, firstly, the device is started, the output shaft of the motor 6 drives the worm 5, the worm 5 further drives the worm wheel 4, the worm wheel 4 is fastened on the long friction shaft 7, so that the long friction shaft 7 rotates along with the worm wheel 4, the pressure plate 11 applies pressure to the small friction seat 10, the small friction seat 10 transmits the pressure to the short friction shaft 9, the short friction shaft 9 presses the friction rod 3 on the long friction shaft 7, friction force exists between the friction rod 3 and the long friction shaft 7, when the long friction shaft 7 rotates along with the worm wheel 4, the friction force drives the friction rod 3 to do linear motion, finally the friction rod 3 pushes the sample table 1 to move, and the repeated positioning precision reaches the submicron level.
In the utility model, the rear end of a worm wheel 4 is provided with a short friction shaft 9, the two ends of the outer side of the short friction shaft 9 are provided with large friction seats 8, the left side of the inner part of the large friction seat 8 is provided with a long friction shaft 7, the bottom end of the inner side of the large friction seat 8 is provided with a small friction seat 10, the bottom end of the small friction seat 10 is provided with a pressure plate 11, when the precise adjustment and positioning are carried out, a motor 6 is electrically connected with an external power supply and is started, the motor 6 drives a worm 5, the worm 5 further drives the worm wheel 4, the long friction shaft 7 rotates along with the worm wheel 4 as the worm wheel 4 is fastened on the long friction shaft 7, when the pressure plate 11 applies pressure to the small friction seat 10, the small friction seat 10 transmits the pressure to the short friction shaft 9, the short friction shaft 9 presses a friction rod 3 on the long friction shaft 7, so that friction force exists between the friction rod 3 and the long friction shaft 7, and when the long friction shaft 7 rotates along with the worm wheel 4, the friction force drives the friction rod 3 to do linear motion, and finally the friction rod 3 pushes the sample table 1 to move, so that the repeated positioning precision reaches the submicron level, and the device has the advantages of low cost, convenience in processing and assembly, long stroke and wide application range.
In the utility model, the sample table 1 and the sample clamp 12 are fixedly connected and installed in a threaded rotation mode, and the sample clamp 12 is fixedly connected and installed at two sides of the upper end of the sample clamp 12, so that the sample clamp is fixedly connected and installed in a threaded rotation mode, the installation is more convenient, and the tightness of the sample clamp 12 can be conveniently adjusted in the later period by rotation.
In the utility model, the motor 6 is fixedly installed through the fixing metal plate, and the motor 6 is fixedly installed at the end position of the lower side of the sample table 1, so that the motor 6 is fixedly installed at the end position of the lower side of the sample table 1 through the fixing metal plate, and is more stable and not easy to fall off in use.
According to the utility model, the sample table 1 and the driving block 2 are fixedly connected and mounted in a buckling manner, and the driving block 2 is fixedly connected and mounted on the sample table 1, so that the sample table is fixedly connected and mounted in a buckling manner, and the sample table is more convenient to mount.
The working principle is as follows: when the device is used, the sample platform 1 is installed and fixed on a microscope precision sample seat, articles to be amplified are further placed in an object stage placing groove 13 and are fixed through sample clamps 12 at two ends, then the motor 6 is electrically connected with an external power supply, when the precise positioning is further carried out, firstly, the device is started, the motor 6 output shaft drives the worm 5, the further worm 5 drives the worm wheel 4, the worm wheel 4 is fastened on the long friction shaft 7, the long friction shaft 7 rotates along with the worm wheel 4, the pressure plate 11 applies pressure to the small friction seat 10, the small friction seat 10 transmits the pressure to the short friction shaft 9, the short friction shaft 9 tightly presses the friction rod 3 on the long friction shaft 7, friction force exists between the friction rod 3 and the long friction shaft 7, when the long friction shaft 7 rotates along with the worm wheel 4, the friction force drives the friction rod 3 to do linear motion, finally, the friction rod 3 pushes the sample table 1 to move, and the repeated positioning precision reaches the submicron level.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
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.
Claims (7)
1. The utility model provides a precision sample platform of microscope based on friction drive, includes sample platform (1) and objective table standing groove (13), its characterized in that: the utility model discloses a sample platform, including objective table standing groove (13), sample platform (1), objective table standing groove (13) installation fixed connection, objective table standing groove (13) both sides are provided with sample holder (12), the downside end of sample platform (1) is provided with motor (6), the left side of motor (6) is provided with worm (5), the upper end of worm (5) is provided with worm wheel (4), the left end of worm wheel (4) is provided with friction lever (3), the left end of friction lever (3) is provided with drive block (2), motor (6) and external power source electric connection.
2. The precision microscope sample stage based on friction drive as claimed in claim 1, wherein: the rear end of worm wheel (4) is provided with short friction axle (9), the outside both ends of short friction axle (9) are provided with big friction seat (8), the inside left side of big friction seat (8) is provided with long friction axle (7), the inboard bottom of big friction seat (8) is provided with little friction seat (10), the bottom of little friction seat (10) is provided with clamp plate (11).
3. The precision microscope sample stage based on friction drive as claimed in claim 1, wherein: the motor (6) is fixedly installed through a fixed metal plate, and the motor (6) is fixedly installed at the tail end of the lower side of the sample table (1).
4. The precision microscope sample stage based on friction drive as claimed in claim 1, wherein: the worm (5) and the motor (6) are fixedly connected and installed in a sleeved mode, and the worm (5) is fixedly connected to an output shaft of the motor (6).
5. The precision microscope sample stage based on friction drive as claimed in claim 1, wherein: the sample platform (1) and the sample clamp (12) are fixedly connected and installed in a threaded rotating mode, and the sample clamp (12) is fixedly connected to the two sides of the upper end of the sample platform (1).
6. The precision microscope sample stage based on friction drive as claimed in claim 1, wherein: the worm wheel (4) and the worm (5) are connected and rotate through gear engagement, and the worm (5) drives the worm wheel (4) to rotate.
7. The precision microscope sample stage based on friction drive as claimed in claim 1, wherein: the sample table (1) and the driving block (2) are fixedly connected and installed in a buckling mode, and the driving block (2) is fixedly connected to the sample table (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122988174.1U CN216561203U (en) | 2021-12-01 | 2021-12-01 | Precision sample stage of microscope based on friction drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122988174.1U CN216561203U (en) | 2021-12-01 | 2021-12-01 | Precision sample stage of microscope based on friction drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216561203U true CN216561203U (en) | 2022-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122988174.1U Active CN216561203U (en) | 2021-12-01 | 2021-12-01 | Precision sample stage of microscope based on friction drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216561203U (en) |
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2021
- 2021-12-01 CN CN202122988174.1U patent/CN216561203U/en active Active
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