CN109551258A - A kind of precise rotating platform - Google Patents
A kind of precise rotating platform Download PDFInfo
- Publication number
- CN109551258A CN109551258A CN201811627917.9A CN201811627917A CN109551258A CN 109551258 A CN109551258 A CN 109551258A CN 201811627917 A CN201811627917 A CN 201811627917A CN 109551258 A CN109551258 A CN 109551258A
- Authority
- CN
- China
- Prior art keywords
- main body
- band
- type brake
- rotating platform
- table top
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000010720 hydraulic oil Substances 0.000 claims description 6
- 239000004519 grease Substances 0.000 claims description 2
- 230000010354 integration Effects 0.000 abstract description 3
- 239000000356 contaminant Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
Abstract
The invention 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, the invention is used for machine tool structure field.
Description
Technical field
The present invention 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.
Summary of the invention
The purpose of the present invention is to provide a kind of fast response times, the precise rotating platform of stability of rotation.
The technical solution used in the present invention 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 solution of the present invention, and the edge of table top is equipped with the cricoid extension extended downwardly,
Extension is 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 solution of the present invention, and band-type brake elastic slice, band-type brake bullet are additionally provided between main body and band-type brake ring
Piece is looped around the periphery of main body.
It is further used as the improvement of technical solution of the present invention, and the vertical cross-section of band-type brake elastic slice is L-shaped, including is used for and main body
The fixed part being 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 solution of the present invention, and band-type brake contact portion is equipped with cricoid recessed towards the side of main body
The periphery of slot, groove and main body is encircled into hydraulic oil channel, and hydraulic oil channel also extends to body exterior.
It is further used as the improvement of technical solution of the present invention, and the periphery of main body is equipped with stepped part, the downside of bearing and ladder
Portion mutually contradicts, and the upside of bearing and table top are inconsistent.
It is further used as the improvement of technical solution of the present invention, and high-precision encoder is additionally provided in main body.
It is further used as the improvement of technical solution of the present invention, further includes through pedestal and main body and extending to bearing side
Grease channel.
Beneficial effects of the present invention: this precise rotating platform, main shaft are made into integration with table top, are not only concise in structure, and rigidity
Higher, main shaft is directly connected to rotor, so that rotor directly drives workbench to rotate, improves the response speed of workbench
Degree, 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 present invention will be further explained below with reference to the attached drawings:
Fig. 1 is the external structure schematic diagram of the embodiment of the present invention；
Fig. 2 is the top view of the embodiment of the present invention；
Fig. 3 is the schematic diagram of internal structure of the embodiment of the present invention；
Fig. 4 is the internal structure enlarged view of the embodiment of the present invention；
Fig. 5 is the structural schematic diagram of the band-type brake elastic slice of the embodiment of the present invention；
Fig. 6 is the cross-sectional view of the band-type brake elastic slice of the embodiment of the present invention.
Specific embodiment
Referring to Fig.1~Fig. 6, the present invention are a kind of precise rotating platform, including pedestal 1, have the main body 2 and workbench 3 of axis hole,
Main body 2 is 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, master
Bearing 6 is equipped between body 2 and table top 31, main shaft 32 protrudes into main body 2, and stator 21 and rotor 22,21 He of stator are equipped in main body 2
Rotor 22 constitutes torque motor, and stator 21 is fixedly linked with main body 2, and rotor 22 is fixedly linked with main shaft 32, and pedestal 1 is equipped with
It is looped around the sliding rail 11 of the annular of 2 surrounding of main body, the edge of table top 31 is equipped with the sliding slot 41 for the annular being slidably connected with sliding rail 11,
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 a preferred embodiment of the present invention, the edge of table top 31 is equipped with the cricoid extension 311 extended downwardly, prolongs
Extending portion 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 a preferred embodiment of the present invention, band-type brake elastic slice 5, band-type brake elastic slice 5 are additionally provided between main body 2 and band-type brake ring 4
It is looped around the periphery of main body 2.
As a preferred embodiment of the present invention, the vertical cross-section of band-type brake elastic slice 5 is L-shaped, including for fixed with main body 2
The fixed part 51 of connection and the band-type brake contact portion 52 for being looped around 2 outside of main body.
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 a preferred embodiment of the present invention, band-type brake contact portion 52 is equipped with cricoid groove towards the side of main body 2
521, groove 521 and the periphery of main body 2 are encircled into hydraulic oil channel, and the two sides up and down of groove 521 are additionally provided with oil seal ring, play close
Envelope effect, hydraulic oil channel also extend to outside main body 2.Specifically, inside hydraulic oil channel when logical oil, band-type brake contact portion 52
It 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 a preferred embodiment of the present invention, the periphery of main body 2 is equipped with stepped part 23, the downside of bearing 6 and stepped part
23 mutually contradict, and the upside of bearing 6 and table top 31 are inconsistent.Specifically, bearing 6 is radial thrust bearing 6, axis can be born simultaneously
To power load and radial load, including but not limited to self-aligning ball bearing 6 and tapered roller bearing 6.
As a preferred embodiment of the present invention, high-precision encoder is additionally provided in main body 2, it can be achieved that height to main shaft 32
Precision positioning, high-precision encoder are directly installed on main shaft, reduce the accumulated error of intermediate link.Band brake apparatus can be real
Now quick and stable braking, and high-precision encoder is able to achieve high-precision positioning, the two, which combines, can be used for various high-precisions
Processing, such as realize indexing positioning grinding, milling.
It as a preferred embodiment of the present invention, further include through pedestal 1 and main body 2 and the profit for extending to 6 side of bearing
Oil pathway 7, for injecting lubricating oil to bearing 6.
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 spirit, these equivalent deformations or replacement are all contained in the application right
It is required that in 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 |
|---|---|---|---|
| CN201811627917.9A CN109551258A (en) | 2018-12-28 | 2018-12-28 | A kind of precise rotating platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811627917.9A CN109551258A (en) | 2018-12-28 | 2018-12-28 | A kind of precise rotating platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109551258A true CN109551258A (en) | 2019-04-02 |
Family
ID=65871707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811627917.9A Pending CN109551258A (en) | 2018-12-28 | 2018-12-28 | A kind of precise rotating platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109551258A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110449923A (en) * | 2019-08-12 | 2019-11-15 | 珠海格力智能装备有限公司 | Turntable structure and Workpiece machining apparatus with it |
| CN114352869A (en) * | 2021-12-22 | 2022-04-15 | 九江冠成仿真技术有限公司 | Compact high-precision single-shaft holder |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19721393A1 (en) * | 1997-05-22 | 1999-01-07 | Chiron Werke Gmbh | Machine tool |
| JP2016064481A (en) * | 2014-09-25 | 2016-04-28 | ファナック株式会社 | Rotary shaft apparatus and electric discharge machine using the rotary shaft apparatus |
| CN106624840A (en) * | 2017-01-11 | 2017-05-10 | 新誉集团有限公司 | Slab bridge type rotary table |
| CN107932099A (en) * | 2017-12-24 | 2018-04-20 | 芜湖洪金机床有限公司 | High precision overloading directly turns the manufacture method of platform |
| CN108213620A (en) * | 2016-12-22 | 2018-06-29 | 北京市电加工研究所 | A kind of torque motor drives the full immersion liquid turntable of electric spark |
| CN209394307U (en) * | 2018-12-28 | 2019-09-17 | 广州市威嘉机床有限公司 | A kind of precise rotating platform |
-
2018
- 2018-12-28 CN CN201811627917.9A patent/CN109551258A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19721393A1 (en) * | 1997-05-22 | 1999-01-07 | Chiron Werke Gmbh | Machine tool |
| JP2016064481A (en) * | 2014-09-25 | 2016-04-28 | ファナック株式会社 | Rotary shaft apparatus and electric discharge machine using the rotary shaft apparatus |
| CN108213620A (en) * | 2016-12-22 | 2018-06-29 | 北京市电加工研究所 | A kind of torque motor drives the full immersion liquid turntable of electric spark |
| CN106624840A (en) * | 2017-01-11 | 2017-05-10 | 新誉集团有限公司 | Slab bridge type rotary table |
| CN107932099A (en) * | 2017-12-24 | 2018-04-20 | 芜湖洪金机床有限公司 | High precision overloading directly turns the manufacture method of platform |
| CN209394307U (en) * | 2018-12-28 | 2019-09-17 | 广州市威嘉机床有限公司 | A kind of precise rotating platform |
Non-Patent Citations (1)
| Title |
|---|
| 中国机械工程学会: "《"数控一代"案例集》", 中国科学技术出版社, pages: 60 - 61 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110449923A (en) * | 2019-08-12 | 2019-11-15 | 珠海格力智能装备有限公司 | Turntable structure and Workpiece machining apparatus with it |
| CN114352869A (en) * | 2021-12-22 | 2022-04-15 | 九江冠成仿真技术有限公司 | Compact high-precision single-shaft holder |
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