CN209394307U - A kind of precise rotating platform - Google Patents
A kind of precise rotating platform Download PDFInfo
- Publication number
- CN209394307U CN209394307U CN201822266680.8U CN201822266680U CN209394307U CN 209394307 U CN209394307 U CN 209394307U CN 201822266680 U CN201822266680 U CN 201822266680U CN 209394307 U CN209394307 U CN 209394307U
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- China
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- main body
- band
- type brake
- table top
- rotating platform
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Abstract
The utility model discloses a kind of precise rotating platforms, including pedestal, the main body and workbench for having axis hole, main body is fixedly mounted on pedestal, workbench lid is located at the top of main body, workbench includes table top and main shaft, bearing is equipped between main body and table top, main shaft protrudes into main body, stator and rotor are equipped in main body, stator is fixedly linked with main body, rotor is fixedly linked with main shaft, pedestal is equipped with the sliding rail for being looped around the annular of main body surrounding, the edge of table top is equipped with the sliding slot for the annular being slidably connected with sliding rail, main shaft is made into integration with table top, main shaft is directly connected to rotor, so that rotor directly drives workbench to rotate, positioning accuracy is high and band-type brake function is sensitive, and by being provided with labyrinth seal structure, it can prevent introduced contaminants from entering, it ensure that fluency when main axis, this utility model is used for machine tool structure field.
Description
Technical field
The utility model relates to machine tool structure fields, more particularly to a kind of precise rotating platform.
Background technique
Precise rotating platform can be rotated as its name suggests, and exportable certain torque realizes high fine positioning.Precision turns
Platform using very extensive, such as high-acruracy survey, optical detection and manufacture and nano-fabrication technique.Precise rotating platform is widely applied
In on machining center, numerically control grinder.Wherein turntable structure has very much, and commonly worm gear structure, knot are constituted in the market
This is low, and rigidity is high, can get good positioning accuracy.However, existing turntable is due to structural limitation, low-response, revolving speed
It is low.
Utility model content
The purpose of this utility model is to provide a kind of fast response times, the precise rotating platform of stability of rotation.
Technical solution adopted in the utility model is:
A kind of precise rotating platform including pedestal, has the main body and workbench of axis hole, and main body is fixedly mounted on pedestal, work
Make the top that platform lid is located at main body, workbench includes table top and main shaft, bearing is equipped between main body and table top, main shaft protrudes into main body
In, stator and rotor are equipped in main body, stator is fixedly linked with main body, and rotor is fixedly linked with main shaft, and pedestal, which is equipped with, to be surround
In the sliding rail of the annular of main body surrounding, the edge of table top is equipped with the sliding slot for the annular being slidably connected with sliding rail, and sliding rail and sliding slot are spelled
Synthesize labyrinth seal structure.
It is further used as the improvement of technical solutions of the utility model, the edge of table top is equipped with the cricoid extension extended downwardly
Portion, extension are fixedly connected with band-type brake ring, and sliding slot is located at the end face of band-type brake ring.
It is further used as the improvement of technical solutions of the utility model, band-type brake elastic slice is additionally provided between main body and band-type brake ring, is embraced
Lock elastic slice is looped around the periphery of main body.
Be further used as the improvement of technical solutions of the utility model, the vertical cross-section of band-type brake elastic slice is L-shaped, including for
The fixed part that main body is fixedly connected and the band-type brake contact portion being looped around on the outside of main body.
It is further used as the improvement of technical solutions of the utility model, band-type brake contact portion is equipped with cricoid towards the side of main body
The periphery of groove, groove and main body is encircled into hydraulic oil channel, and hydraulic oil channel also extends to body exterior.
Be further used as the improvement of technical solutions of the utility model, the periphery of main body is equipped with stepped part, the downside of bearing with
Stepped part mutually contradicts, and the upside of bearing and table top are inconsistent.
It is further used as the improvement of technical solutions of the utility model, is additionally provided with high-precision encoder in main body.
It is further used as the improvement of technical solutions of the utility model, further includes through pedestal and main body and extending to bearing side
The grease channel in face.
The utility model has the beneficial effects that this precise rotating platform, main shaft are made into integration with table top, it is not only concise in structure, and
Rigidity is higher, and main shaft is directly connected to rotor, so that rotor directly drives workbench to rotate, improves the response of workbench
Speed, and by being provided with labyrinth seal structure, it can prevent introduced contaminants from entering, ensure that fluency when main axis.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawing:
Fig. 1 is the external structure schematic diagram of the utility model embodiment；
Fig. 2 is the top view of the utility model embodiment；
Fig. 3 is the schematic diagram of internal structure of the utility model embodiment；
Fig. 4 is the internal structure enlarged view of the utility model embodiment；
Fig. 5 is the structural schematic diagram of the band-type brake elastic slice of the utility model embodiment；
Fig. 6 is the cross-sectional view of the band-type brake elastic slice of the utility model embodiment.
Specific embodiment
Referring to Fig.1~Fig. 6, the utility model are a kind of precise rotating platform, including pedestal 1, have the main body 2 of axis hole and work
Platform 3, main body 2 are fixedly mounted on pedestal 1, and workbench 3 covers the top for being located at main body 2, and workbench 3 includes table top 31 and main shaft
32, bearing 6 is equipped between main body 2 and table top 31, main shaft 32 protrudes into main body 2, and stator 21 and rotor 22 are equipped in main body 2, fixed
Son 21 and rotor 22 constitute torque motor, and stator 21 is fixedly linked with main body 2, and rotor 22 is fixedly linked with main shaft 32, pedestal 1
It is equipped with the sliding rail 11 for being looped around the annular of 2 surrounding of main body, the edge of table top 31 is equipped with the annular being slidably connected with sliding rail 11
Sliding slot 41, sliding rail 11 and sliding slot 41 piece together labyrinth seal structure.
This precise rotating platform, main shaft 32 are made into integration with table top 31, and main shaft 32 is directly connected to rotor 22, so that rotor
22 directly drive workbench 3 to rotate, and improve the response speed of workbench 3, and by being provided with 11 He of sliding rail being slidably connected
Sliding slot 41 provides further positioning for workbench 3, ensure that stationarity when workbench 3 rotates, and make in workbench 3
When dynamic, it can directly be controlled by torque motor, improve the convenience and sensitivity of control.
As the utility model preferred embodiment, the edge of table top 31 is equipped with the cricoid extension extended downwardly
311, extension 311 is fixedly connected with band-type brake ring 4, and sliding slot 41 is located at the end face of band-type brake ring 4.
As the utility model preferred embodiment, band-type brake elastic slice 5, band-type brake bullet are additionally provided between main body 2 and band-type brake ring 4
Piece 5 is looped around the periphery of main body 2.
As the utility model preferred embodiment, the vertical cross-section of band-type brake elastic slice 5 is L-shaped, including is used for and main body 2
The fixed part 51 being fixedly connected and the band-type brake contact portion 52 being looped around on the outside of main body 2.
Band-type brake ring 4 and band-type brake elastic slice 5, which cooperate, constitutes band brake apparatus, and braking torque is big, is avoided that in braking process
Play guarantees the machining accuracy of part.
As the utility model preferred embodiment, band-type brake contact portion 52 is equipped with cricoid recessed towards the side of main body 2
The periphery of slot 521, groove 521 and main body 2 is encircled into hydraulic oil channel, and the two sides up and down of groove 521 are additionally provided with oil seal ring, play
Sealing function, hydraulic oil channel also extend to outside main body 2.Specifically, inside hydraulic oil channel when logical oil, band-type brake contact portion
52 can expand and deformation occurs, arrive band-type brake ring 4 to contradict, the function of band-type brake locking is played by frictional force.
As the utility model preferred embodiment, the periphery of main body 2 is equipped with stepped part 23, the downside of bearing 6 and rank
Terraced portion 23 mutually contradicts, and the upside of bearing 6 and table top 31 are inconsistent.Specifically, bearing 6 is radial thrust bearing 6, can hold simultaneously
By axial force load and radial load, including but not limited to self-aligning ball bearing 6 and tapered roller bearing 6.
High-precision encoder is additionally provided with as the utility model preferred embodiment, in main body 2, it can be achieved that main shaft 32
High accuracy positioning, high-precision encoder is directly installed on main shaft, reduces the accumulated error of intermediate link.Band brake apparatus energy
Enough realize quick and stable braking, and high-precision encoder is able to achieve high-precision positioning, the two, which combines, can be used for various height
The processing of precision, such as realize indexing positioning grinding, milling.
It further include through pedestal 1 and main body 2 and extending to 6 side of bearing as the utility model preferred embodiment
Grease channel 7, for bearing 6 inject lubricating oil.
Certainly, the invention is not limited to above embodiment, and those skilled in the art are without prejudice to originally
Equivalent deformation or replacement can be also made under the premise of utility model spirit, these equivalent deformations or replacement are all contained in the application
In claim limited range.
Claims (8)
1. a kind of precise rotating platform, it is characterised in that: including pedestal (1), have the main body (2) and workbench (3) of axis hole, the master
Body (2) is fixedly mounted on the pedestal (1), and workbench (3) lid is located at the top of the main body (2), the workbench
(3) include table top (31) and main shaft (32), be equipped with bearing (6) between the main body (2) and table top (31), the main shaft (32) is stretched
Enter in the main body (2), stator (21) and rotor (22) are equipped in the main body (2), the stator (21) and main body (2) are fixed
It is connected, the rotor (22) is fixedly linked with main shaft (32), and the pedestal (1) is equipped with and is looped around the main body (2) surrounding
The sliding rail (11) of annular, the edge of the table top (31) are equipped with the sliding slot (41) for the annular being slidably connected with the sliding rail (11),
The sliding rail (11) and sliding slot (41) piece together labyrinth seal structure.
2. precise rotating platform according to claim 1, it is characterised in that: the edge of the table top (31) is equipped with and extends downwardly
Cricoid extension (311), the extension (311) are fixedly connected band-type brake ring (4), and the sliding slot (41) is located at the band-type brake ring
(4) end face.
3. precise rotating platform according to claim 2, it is characterised in that: be additionally provided between the main body (2) and band-type brake ring (4)
Band-type brake elastic slice (5), the band-type brake elastic slice (5) are looped around the periphery of the main body (2).
4. precise rotating platform according to claim 3, it is characterised in that: the vertical cross-section of the band-type brake elastic slice (5) is L-shaped,
Including the fixed part (51) for being fixedly connected with main body (2) and the band-type brake contact portion (52) being looped around on the outside of the main body (2).
5. precise rotating platform according to claim 4, it is characterised in that: the band-type brake contact portion (52) is towards main body (2)
Side is equipped with cricoid groove (521), and the periphery of the groove (521) and main body (2) is encircled into hydraulic oil channel, described hydraulic
It is external that oily channel also extends to main body (2).
6. precise rotating platform according to claim 1, it is characterised in that: the periphery of the main body (2) is equipped with stepped part (23),
The downside and the stepped part (23) of the bearing (6) mutually contradict, and upside and the table top (31) of the bearing (6) offset
Touching.
7. precise rotating platform according to claim 1, it is characterised in that: be additionally provided with high-precision encoder in the main body (2).
8. precise rotating platform according to claim 1, it is characterised in that: further include running through the pedestal (1) and main body (2) simultaneously
Extend to the grease channel (7) of the bearing (6) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822266680.8U CN209394307U (en) | 2018-12-28 | 2018-12-28 | A kind of precise rotating platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822266680.8U CN209394307U (en) | 2018-12-28 | 2018-12-28 | A kind of precise rotating platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209394307U true CN209394307U (en) | 2019-09-17 |
Family
ID=67897382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822266680.8U Active CN209394307U (en) | 2018-12-28 | 2018-12-28 | A kind of precise rotating platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209394307U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109551258A (en) * | 2018-12-28 | 2019-04-02 | 广州市威嘉机床有限公司 | A kind of precise rotating platform |
-
2018
- 2018-12-28 CN CN201822266680.8U patent/CN209394307U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109551258A (en) * | 2018-12-28 | 2019-04-02 | 广州市威嘉机床有限公司 | A kind of precise rotating platform |
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