CN210865637U - Two-degree-of-freedom nanometer positioning platform - Google Patents
Two-degree-of-freedom nanometer positioning platform Download PDFInfo
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- CN210865637U CN210865637U CN201922309804.0U CN201922309804U CN210865637U CN 210865637 U CN210865637 U CN 210865637U CN 201922309804 U CN201922309804 U CN 201922309804U CN 210865637 U CN210865637 U CN 210865637U
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Abstract
The utility model relates to the technical field of positioning platforms, and discloses a two-degree-of-freedom nanometer positioning platform, which comprises a base, wherein the upper end of the base is provided with a lifting mechanism, the upper end of the lifting mechanism is fixedly connected with a mounting seat, the upper end of the mounting seat is provided with a rotating mechanism, and the upper end of the rotating mechanism is provided with a positioning platform; the lifting mechanism comprises a driving motor, a screw rod and a threaded sleeve, the driving motor is installed at the upper end of the base, the screw rod is fixedly connected to the output end of the driving motor, the threaded sleeve is in threaded connection with the screw rod, and the mounting seat is fixedly connected to the upper end of the threaded sleeve. The rotating mechanism comprises a stepping motor and a mounting plate, the stepping motor is fixedly connected to the upper end of the mounting seat, the mounting plate is fixedly connected to the driving motor, and the upper end of the mounting plate is fixedly connected to the center of the lower end of the positioning platform. The utility model discloses make and control very convenient and fast, and reliable and stable.
Description
Technical Field
The utility model relates to a positioning platform technical field especially relates to a two degree of freedom nanometer positioning platform.
Background
The nanometer device comprises a nanometer electronic device and a nanometer photoelectric device, can be widely applied to electronics, optics, micro mechanical devices, novel computers and the like, and is the most abundant and active research field in the research fields of new materials and new devices at present. Nanotechnology is also applied in positioning platforms.
However, in some existing two-degree-of-freedom positioning platforms, the lifting control is mainly completed by combining a chain and a synchronous belt, and the structure of the chain and the synchronous belt which need to be driven by the rotation of a belt pulley is very complex and bulky, so that the control platform is inconvenient to control.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the two-degree-of-freedom positioning platform in the prior art is inconvenient in the aspect of control, and providing a two-degree-of-freedom nanometer positioning platform.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a two-degree-of-freedom nanometer positioning platform comprises a base, wherein a lifting mechanism is arranged at the upper end of the base, an installation seat is fixedly connected to the upper end of the lifting mechanism, a rotating mechanism is arranged at the upper end of the installation seat, and a positioning platform is arranged at the upper end of the rotating mechanism;
the lifting mechanism comprises a driving motor, a screw rod and a threaded sleeve, the driving motor is installed at the upper end of the base, the screw rod is fixedly connected to the output end of the driving motor, the threaded sleeve is in threaded connection with the screw rod, and the mounting seat is fixedly connected to the upper end of the threaded sleeve.
Preferably, slewing mechanism includes step motor and mounting panel, step motor fixed connection is in the upper end of mount pad, mounting panel fixed connection is on driving motor, the upper end fixed connection of mounting panel is in positioning platform's lower extreme center department.
Preferably, the fixed ring of lower extreme fixedly connected with of locating platform, annular spout has been seted up to fixed ring's lower extreme, sliding connection has annular slider in the annular spout, the lateral wall symmetry fixedly connected with connecting rod of thread bush, the connecting rod is the setting of "L" type, the upper end fixed connection of connecting rod is at the lower extreme of annular slider.
Preferably, a plurality of ball grooves are formed in the end, close to the bottom of the annular sliding groove, of the annular sliding block in an annular array mode, balls are connected in the ball grooves in a rolling mode, and the end, far away from the bottom of the ball groove, of each ball penetrates through the notch of each ball groove and extends outwards and is connected with the bottom of the limiting groove in a rolling mode.
Preferably, the four corners of the bottom of the base are fixedly connected with supporting legs.
Preferably, the upper end of the base is symmetrically and fixedly connected with telescopic rods, and the upper ends of the telescopic rods are fixedly connected to the corresponding positions of the connecting rods.
Compared with the prior art, the utility model provides a two degree of freedom nanometer location platforms possesses following beneficial effect:
1. this two degree of freedom nanometer location platforms, through setting up the base, elevating system, driving motor, the screw rod, the thread bush, mount pad and location platform, when needs rise or fall location platform, through control driving motor corotation or reversal, and then driving motor drives screw rod corotation or reversal, and the thread bush passes through mount pad and slewing mechanism and drives location platform and rise or fall under the effect of screw thread for control ten minutes convenient and fast, and reliable and stable.
2. This two degree of freedom nanometer positioning platform through setting up slewing mechanism, step motor, mounting panel, when needs rotate positioning platform, through starting step motor, step motor drives the mounting panel and rotates, and then the mounting panel drives positioning platform and takes place to rotate for control ten minutes convenient and fast, and reliable and stable.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses make control very convenient and fast, and reliable and stable.
Drawings
Fig. 1 is a schematic structural view of a two-degree-of-freedom nano-positioning platform provided by the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1.
In the figure: the device comprises a base 1, a lifting mechanism 2, a driving motor 21, a screw rod 22, a thread bush 23, a mounting seat 3, a rotating mechanism 4, a stepping motor 41, a mounting plate 42, a positioning platform 5, a fixing ring 6, an annular sliding groove 7, an annular sliding block 8, a connecting rod 9, a ball groove 10, balls 11, supporting legs 12 and a telescopic rod 13.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, a two-degree-of-freedom nano positioning platform comprises a base 1, wherein a lifting mechanism 2 is installed at the upper end of the base 1, an installation seat 3 is fixedly connected to the upper end of the lifting mechanism 2, a rotating mechanism 4 is installed at the upper end of the installation seat 3, and a positioning platform 5 is installed at the upper end of the rotating mechanism 4;
Slewing mechanism 4 includes step motor 41 and mounting panel 42, step motor 41 fixed connection is in the upper end of mount pad 3, mounting panel 42 fixed connection is on driving motor 21, the upper end fixed connection of mounting panel 42 is in the lower extreme center department of positioning platform 5, when needs rotate positioning platform 5, through starting step motor 41, step motor 41 drives mounting panel 42 and rotates, and then mounting panel 42 drives positioning platform 5 and takes place to rotate, make control very convenient and fast, and reliable and stable.
Fixed ring 6 of lower extreme fixedly connected with of locating platform 5, annular spout 7 has been seted up to fixed ring 6's lower extreme, sliding connection has annular slider 8 in the annular spout 7, the lateral wall symmetry fixedly connected with connecting rod 9 of thread bush 23, connecting rod 9 is the setting of "L" type, the upper end fixed connection of connecting rod 9 is at the lower extreme of annular slider 8, when locating platform 5 rotates, drive fixed ring 6 and take place to rotate, relative rotation takes place for annular spout 7 and annular slider 8 on the fixed ring 6, make locating platform 5 reliable and stable more at the pivoted in-process.
The one end that annular slider 8 is close to annular spout 7 tank bottom has been seted up a plurality of ball groove 10 in the annular array ground, and ball groove 10 internal rolling is connected with ball 11, and ball 11 keeps away from the one end of ball groove 10 tank bottom and passes the notch of ball groove 10 and outwards extend, and with the tank bottom roll connection of spacing groove for annular slider 8 is more smooth and easy at annular spout 7 internal rotation ground.
The four corners of the bottom of the base 1 are fixedly connected with supporting legs 12, which support the whole device.
The upper end symmetry fixedly connected with telescopic link 13 of base 1, the upper end fixed connection of telescopic link 13 let the thread bush 23 in-process that rises or descend more reliable and stable through connecting rod 9 on the corresponding position of connecting rod 9.
The utility model discloses in, when needs raise or fall positioning platform 5, through controlling 21 corotation of driving motor or reversal, and then driving motor 21 drives screw rod 22 corotation or reversal, the thread bush 23 drives positioning platform 5 through mount pad 3 and slewing mechanism 4 and raises or falls under the effect of screw thread, make control convenient and fast very, and reliable and stable, when needs rotate positioning platform 5, through starting step motor 41, step motor 41 drives mounting panel 42 and rotates, and then mounting panel 42 drives positioning platform 5 and takes place to rotate, make control convenient and fast very, and reliable and stable.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A two-degree-of-freedom nanometer positioning platform comprises a base (1) and is characterized in that a lifting mechanism (2) is installed at the upper end of the base (1), an installation seat (3) is fixedly connected to the upper end of the lifting mechanism (2), a rotating mechanism (4) is installed at the upper end of the installation seat (3), and a positioning platform (5) is installed at the upper end of the rotating mechanism (4);
elevating system (2) include driving motor (21), screw rod (22) and thread bush (23), the upper end at base (1) is installed in driving motor (21), screw rod (22) fixed connection is on the output of driving motor (21), thread bush (23) and screw rod (22) threaded connection, mount pad (3) fixed connection is in the upper end of thread bush (23).
2. The two-degree-of-freedom nanometer positioning platform according to claim 1, wherein the rotating mechanism (4) comprises a stepping motor (41) and a mounting plate (42), the stepping motor (41) is fixedly connected to the upper end of the mounting base (3), the mounting plate (42) is fixedly connected to the driving motor (21), and the upper end of the mounting plate (42) is fixedly connected to the center of the lower end of the positioning platform (5).
3. The two-degree-of-freedom nanometer positioning platform according to claim 1, wherein a fixing ring (6) is fixedly connected to the lower end of the positioning platform (5), an annular sliding groove (7) is formed in the lower end of the fixing ring (6), an annular sliding block (8) is slidably connected in the annular sliding groove (7), a connecting rod (9) is symmetrically and fixedly connected to the side wall of the threaded sleeve (23), the connecting rod (9) is arranged in an L shape, and the upper end of the connecting rod (9) is fixedly connected to the lower end of the annular sliding block (8).
4. A two-degree-of-freedom nanometer positioning platform according to claim 3, wherein the annular slide block (8) is provided with a plurality of ball grooves (10) at one end close to the bottom of the annular slide groove (7) in an annular array, the ball grooves (10) are connected with balls (11) in a rolling manner, and one end of each ball (11) far away from the bottom of the ball groove (10) passes through the notch of the ball groove (10) and extends outwards and is connected with the bottom of the limit groove () in a rolling manner.
5. The two-degree-of-freedom nano positioning platform according to claim 1, wherein supporting feet (12) are fixedly connected to four corners of the bottom of the base (1).
6. The two-degree-of-freedom nanometer positioning platform according to claim 3, characterized in that the upper end of the base (1) is symmetrically and fixedly connected with a telescopic rod (13), and the upper end of the telescopic rod (13) is fixedly connected to the corresponding position of the connecting rod (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922309804.0U CN210865637U (en) | 2019-12-20 | 2019-12-20 | Two-degree-of-freedom nanometer positioning platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922309804.0U CN210865637U (en) | 2019-12-20 | 2019-12-20 | Two-degree-of-freedom nanometer positioning platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210865637U true CN210865637U (en) | 2020-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922309804.0U Active CN210865637U (en) | 2019-12-20 | 2019-12-20 | Two-degree-of-freedom nanometer positioning platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210865637U (en) |
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2019
- 2019-12-20 CN CN201922309804.0U patent/CN210865637U/en active Active
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