CN109014993B - Embedded fast sword servo device - Google Patents
Embedded fast sword servo device Download PDFInfo
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- CN109014993B CN109014993B CN201810942619.2A CN201810942619A CN109014993B CN 109014993 B CN109014993 B CN 109014993B CN 201810942619 A CN201810942619 A CN 201810942619A CN 109014993 B CN109014993 B CN 109014993B
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- air
- floating block
- pipe joint
- side plate
- air pipe
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- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
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- 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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
Abstract
The invention provides an embedded fast knife servo device, which comprises an air floatation device and a motor, wherein the air floatation device comprises a shell, an air floatation shaft shell and an air floatation block are arranged in the shell, the air floatation block is arranged outside the air floatation shaft shell, the motor is arranged in the air floatation shaft shell, the motor comprises a rotor and a stator, the stator is arranged in the rotor, the rotor is respectively connected with the air floatation shaft shell and a knife handle connecting piece through a rotor connecting piece, and the knife handle connecting piece is connected with a knife handle; an air pipe joint is arranged outside the shell and communicated with the air floatation block. The air floating shaft shell has small processing difficulty, compact integral structure and small volume, greatly improves the applicability, avoids radial movement of the motor during operation by the action of the air floating shaft shell on the adjustment and the guidance of the motor, improves the precision of a moving part and further improves the surface quality of a processed workpiece.
Description
Technical Field
The invention relates to the technical field of precise and ultra-precise machine tool machining, in particular to an embedded type fast cutter servo device.
Background
The precision and ultra-precision processing technology is widely applied to a plurality of fields such as laser fusion, aerospace, optics, instruments and the like, directly influences the development of high-precision technology, and particularly the processing of some special structures and the processing of optical elements such as high-precision gyroscopes, laser reflectors, micro lens arrays, bionic compound eyes and the like are completed by the ultra-precision fast tool servo processing technology. The fast knife servo device is one of key technologies for processing precise and ultra-precise curved surfaces and micro-structural surfaces, is one of key components of an ultra-precise machine tool, and has the characteristics of high frequency response, high precision and the like, so that the fast knife servo device is widely applied, the precision of high-precision processing surfaces and contours is realized, and the manufacturing level of the industrial and high-precision fields is improved. The existing precise and ultra-precise processing equipment mainly adopts a fast knife servo device in the form of piezoelectric ceramics and a flexible hinge and also has a voice coil motor structure, but the stroke is not large, the structure is complex and the rigidity is not enough. The existing fast knife servo device has larger size, and the small size and light weight are one of the important characteristics for ultra-precision machining.
Disclosure of Invention
The invention provides an embedded type fast knife servo device, which aims at the defects of complex structure, insufficient rigidity and larger size of the traditional fast knife servo device.
In order to solve the above problems, the technical solution of the present invention is realized as follows:
An embedded fast knife servo device comprises an air floatation device and a motor, wherein the air floatation device comprises a shell, an air floatation shaft shell and an air floatation block are arranged in the shell, the air floatation block is arranged outside the air floatation shaft shell, the motor is arranged in the air floatation shaft shell, the motor comprises a rotor and a stator, the stator is arranged in the rotor, the rotor is respectively connected with the air floatation shaft shell and a knife handle connecting piece through a rotor connecting piece, and the knife handle connecting piece is connected with a knife handle; an air pipe joint is arranged outside the shell and communicated with the air floatation block.
Further, the casing includes bottom plate, roof, left side board and right side board, is fixed with left side board and right side board on the bottom plate respectively, left side board and right side board upper portion all with roof fixed connection.
Furthermore, the air floating block comprises an upper air floating block, a lower air floating block, a left air floating block and a right air floating block, the upper air floating block is embedded in the top plate, the lower air floating block is embedded in the bottom plate, the left air floating block is embedded in the left side plate, and the right air floating block is embedded in the right side plate.
Furthermore, the air pipe connector comprises an air pipe connector I, an air pipe connector II, an air pipe connector III and an air pipe connector IV, the air pipe connector I is embedded into the top plate, the air pipe connector II is embedded into the left side plate, the air pipe connector III is embedded into the right side plate, and the air pipe connector IV is embedded into the bottom plate.
Furthermore, the upper part of the air flotation shaft shell is connected with the top plate through an upper air flotation block, the lower part of the air flotation shaft shell is connected with the bottom plate through a lower air flotation block, the left side of the air flotation shaft shell is connected with the left side plate through a left air flotation block, and the right side of the air flotation shaft shell is connected with the right side plate through a right air flotation block.
Furthermore, the air pipe joint I is communicated with the upper air floating block, the air pipe joint II is communicated with the left air floating block, the air pipe joint III is communicated with the right air floating block, and the air pipe joint IV is communicated with the lower air floating block.
Furthermore, the stator is fixedly connected with a stator fixing plate through a screw, the stator fixing plate is fixed at the rear part of the motor, and the lower part of the stator fixing plate is fixedly connected with the bottom plate.
Furthermore, a hollow groove is formed in the left side plate, a grating ruler seat is arranged in the hollow groove, and the grating ruler seat is fixedly connected with a grating ruler reading head; and a grating ruler is arranged on the outer side of the air floatation shaft shell and is arranged below the reading head of the grating ruler seat.
Further, the motor is a voice coil motor.
Further, the air-floating shaft shell is a square air-floating shaft shell.
The invention has the beneficial effects that:
1. The structure design is reasonable, and the large stroke of the fast cutter servo device at high speed and the large rigidity of the air-floating shaft shell are realized;
2. The whole mechanism of the motor is compact in design, small in size and light in weight, and the whole applicability is greatly improved;
3. The processing difficulty is reduced, the processing and the assembly are convenient, and the overall working efficiency is improved;
4. The air-float shaft shell plays a role in guiding, simultaneously avoids radial movement of the motor during operation, improves the precision of a moving part and improves the surface quality of a processed workpiece.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a front view of the present invention.
Fig. 2 is a schematic cross-sectional structure of the present invention.
Fig. 3 is a side view of fig. 1.
The attached drawing shows that 1 is a knife handle, 2 is a knife handle connecting piece, 3 is a rotor connecting piece, 4 is a rotor, 5 is an air floating shaft shell, 6 is a stator, 7 is a screw, 8 is a stator fixing plate, 9 is an air pipe connector I, 10 is a top plate, 11 is an upper air floating block, 12 is a bottom plate, 13 is a grating ruler seat, 14 is a grating ruler, 15 is a left side plate, 16 is a right side plate, 17 is a left air floating block, 18 is a right air floating block, 19 is a lower air floating block, 20 is an air pipe connector II, 21 is an air pipe connector III, 22 is an air pipe connector IV, and 23 is a grating ruler reading head.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 2, an embedded fast sword servo device, including air supporting device and motor, the motor is voice coil motor, the air supporting device includes the casing, is equipped with air supporting axle housing 5 and air supporting piece in the casing, and the air supporting piece sets up in 5 outsides of air supporting axle housing, is equipped with the motor in the air supporting axle housing 5, and then has reduced the volume of whole device, and the motor includes active cell 4 and stator 6, and stator 6 sets up inside active cell 4, and active cell 4 is connected with air supporting axle housing 5 and handle of a knife connecting piece 2 respectively through active cell connecting piece 3, and handle of a knife connecting piece 2 is connected with handle of a knife 1. An air pipe joint is arranged outside the shell and communicated with the air floatation block.
The casing includes bottom plate 12, roof 10, left side board 15 and right side board 16, is fixed with left side board 15 and right side board 16 on the bottom plate 12 respectively, and left side board 15 and right side board 16 upper portion all with roof 10 fixed connection.
The air floating blocks comprise an upper air floating block 11, a lower air floating block 19, a left air floating block 17 and a right air floating block 18, wherein the upper air floating block 11 is embedded in the top plate 12, the lower air floating block 19 is embedded in the bottom plate 12, the left air floating block 17 is embedded in the left side plate 15, and the right air floating block 18 is embedded in the right side plate 16. The air pipe connector comprises an air pipe connector I9, an air pipe connector II 20, an air pipe connector III 21 and an air pipe connector IV 22.
The air-floating shaft housing 5 is annularly arranged outside the voice coil motor, the air-floating shaft housing is square, the air-floating shaft housing 5 limits radial movement and limits freedom degree, the damping of air-floating is smaller than that of a linear guide rail, the upper part of the air-floating shaft housing 5 is connected with the top plate 10 through an upper air-floating block 11, the upper air-floating block 11 is embedded in the lower part of the top plate 10, the lower part of the air-floating shaft housing 5 is connected with the bottom plate 12 through a lower air-floating block 19, the lower air-floating block 19 is embedded in the upper part of the bottom plate 12, the left side of the air-floating shaft housing 5 is connected with the left side plate 15 through a left air-floating block 17, the left air-floating block 17 is embedded in the right side of the left side plate 15, the right side of the air-floating shaft housing 5 is connected with the right side plate 16 through a right air-floating block 18, the right air-floating block 18 is embedded in the left side, the mover 4 in the voice coil motor has small radial variation.
The voice coil motor is characterized in that an air pipe connector I9 is arranged on the top plate 10, the air pipe connector I9 is connected with one side of the top plate 10, a ventilation cavity is formed in the top plate 10, the air pipe connector I9 is communicated with an upper air floating block 11 through the ventilation cavity, an air pipe connector II 20 is arranged on the left side plate 15, the air pipe connector II 20 is connected with the left side plate 15, a ventilation cavity is formed in the left side plate 15, the air pipe connector II 20 is communicated with a left air floating block 17 through the ventilation cavity, an air pipe connector III 21 is arranged on the right side plate 16, the air pipe connector III 21 is connected with one side of the right side plate 16, a ventilation cavity is formed in the right side plate 16, the air pipe connector III 21 is communicated with a right air floating block 18 through the ventilation cavity, an air pipe connector IV 23 is arranged on the bottom plate 12, the air pipe connector IV 23 is connected with one side of the bottom plate 12, a ventilation.
As shown in fig. 1 and 2, the voice coil motor includes a stator 6 and a mover 4, the stator 6 is disposed inside the mover 4, the stator 6 is fixedly connected with a stator fixing plate 8 through four screws 7, the stator fixing plate 8 is fixed at the rear portion of the voice coil motor and the lower portion of the stator fixing plate 8 is fixedly connected with a bottom plate 12, so that the stability of the voice coil motor is greatly improved, the mover 4 is respectively connected with an air floatation shaft housing 5 and a handle connector 2 through a mover connector 3, the mover 4 is connected with the front end of the air floatation shaft housing 5 through the rear portion of the mover connector 3, the mover 4 is connected with the rear portion of the handle connector 2 through the front end of the mover connector 3, and the front end of the handle.
As shown in fig. 1 and 3, a hollow groove is formed in the left side plate 15, a grating ruler base 13 is arranged in the hollow groove, and the grating ruler base 13 is fixedly connected with a grating ruler base reading head 23; the outer side of the air-floating shaft shell 5 is provided with a grating ruler 14, the grating ruler 14 is matched with the grating ruler seat 13 for use, the grating ruler 14 is arranged below a grating ruler reading head 23, the difference between the grating ruler 14 and the grating ruler reading head 23 is 0.8mm, the grating ruler reading head 23 is used for reading the numerical value on the grating ruler 14, the grating ruler 14 is used for detecting the Z-direction movement of the voice coil motor in real time, the subsequent ventilation adjustment of the steering of the voice coil motor is facilitated, the movement precision of the voice coil motor is greatly improved, and the surface quality of a processed workpiece is further improved.
The working method of the invention is as follows: when voice coil motor rotates, active cell 4 in the voice coil motor drives handle of a knife 1 through active cell connecting piece 3 and rotates, and air supporting axle housing 5 makes the straight line rotation relatively voice coil motor under active cell 4 drives simultaneously, and grating chi 14 real-time supervision voice coil motor turns to, when voice coil motor rotates and predetermines the orbit and takes place the skew, corresponding air pipe joint drives corresponding air supporting piece motion after letting in the air, and corresponding air supporting piece promotes air supporting axle housing 5 motion, and then adjusts turning to of voice coil motor.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The embedded fast knife servo device comprises an air floatation device and a motor, and is characterized in that the air floatation device comprises a shell, an air floatation shaft shell (5) and an air floatation block are arranged in the shell, the air floatation block is arranged outside the air floatation shaft shell (5), the motor is arranged in the air floatation shaft shell (5), the motor comprises a rotor (4) and a stator (6), the stator (6) is arranged inside the rotor (4), the rotor (4) is respectively connected with the air floatation shaft shell (5) and a knife handle connecting piece (2) through a rotor connecting piece (3), and the knife handle connecting piece (2) is connected with a knife handle (1); an air pipe joint is arranged outside the shell and communicated with the air floatation block.
2. The embedded type fast knife servo device as claimed in claim 1, wherein the housing comprises a bottom plate (12), a top plate (10), a left side plate (15) and a right side plate (16), the bottom plate (12) is fixed with the left side plate (15) and the right side plate (16), and the upper parts of the left side plate (15) and the right side plate (16) are fixedly connected with the top plate (10).
3. The in-line fast knife servo device according to claim 1, wherein the air floating blocks comprise an upper air floating block (11), a lower air floating block (19), a left air floating block (17) and a right air floating block (18), the upper air floating block (11) is embedded in the top plate (12), the lower air floating block (19) is embedded in the bottom plate (12), the left air floating block (17) is embedded in the left side plate (15), and the right air floating block (18) is embedded in the right side plate (16).
4. The in-line type fast knife servo device as claimed in claim 1 or 2, wherein the air pipe joint comprises an air pipe joint I (9), an air pipe joint II (20), an air pipe joint III (21) and an air pipe joint IV (22), the air pipe joint I (9) is fixed on the top plate (12), the air pipe joint II (20) is fixed on the left side plate (15), the air pipe joint III (21) is fixed on the right side plate (16), and the air pipe joint IV (22) is fixed on the bottom plate (12).
5. The embedded type fast knife servo device as claimed in claim 1 or 3, characterized in that the upper part of the air-floating shaft housing (5) is connected with the top plate (10) through an upper air-floating block (11), the lower part of the air-floating shaft housing (5) is connected with the bottom plate (12) through a lower air-floating block (19), the left side of the air-floating shaft housing (5) is connected with the left side plate (15) through a left air-floating block (17), and the right side of the air-floating shaft housing (5) is connected with the right side plate (16) through a right air-floating block (18).
6. The in-line fast knife servo device as claimed in claim 4, wherein the air pipe joint I (9) is communicated with the upper air floating block (11), the air pipe joint II (20) is communicated with the left air floating block (17), the air pipe joint III (21) is communicated with the right air floating block (18), and the air pipe joint IV (22) is communicated with the lower air floating block (19).
7. The in-line fast knife servo device as claimed in claim 1, wherein the stator (6) is fixedly connected with a stator fixing plate (8) through a screw (7), and the lower part of the stator fixing plate (8) is fixedly connected with a bottom plate (12).
8. The embedded type fast knife servo device as claimed in claim 1, wherein the left side plate (15) is provided with a hollow groove, a grating ruler seat (13) is arranged in the hollow groove, and the grating ruler seat (13) is fixedly connected with a grating ruler reading head (23); a grating ruler (14) is arranged on the outer side of the air floatation shaft shell (5), and the grating ruler (14) is arranged below a reading head (23) of a grating ruler seat.
9. The in-line fast knife servo of claim 1 or 7 wherein the motor is a voice coil motor.
10. The in-line fast knife servo device of claim 1 or 5, wherein the air spindle housing is a square air spindle housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810942619.2A CN109014993B (en) | 2018-08-17 | 2018-08-17 | Embedded fast sword servo device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810942619.2A CN109014993B (en) | 2018-08-17 | 2018-08-17 | Embedded fast sword servo device |
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| Publication Number | Publication Date |
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| CN109014993A CN109014993A (en) | 2018-12-18 |
| CN109014993B true CN109014993B (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810942619.2A Active CN109014993B (en) | 2018-08-17 | 2018-08-17 | Embedded fast sword servo device |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109513950A (en) * | 2018-12-21 | 2019-03-26 | 姜堰经济开发区科创中心 | A kind of accurate fast servo tool of superfine stainless steel filter wire processing |
| CN109676423B (en) * | 2019-03-11 | 2024-01-23 | 北京广工精密技术有限公司 | Ultra-precise high-frequency response double-stroke fast cutter servo processing device |
| CN110014321A (en) * | 2019-04-29 | 2019-07-16 | 中原工学院 | A kind of temperature controllable fast tool servo device and its application method |
| CN110000611B (en) * | 2019-05-06 | 2020-11-17 | 浙江大学 | Control method of fast cutter servo device with cutting force online sensing function |
| CN110181295B (en) * | 2019-06-25 | 2023-08-08 | 江苏集萃精凯高端装备技术有限公司 | High-precision vertical shaft feeding lifting mechanism |
| CN111791079B (en) * | 2020-05-22 | 2021-08-31 | 浙江大学 | Electromagnetic driving type quick cutter servo system based on flexible hinge combined mechanism |
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| US4201972A (en) * | 1972-11-07 | 1980-05-06 | United Geophysical Corporation | Seismic prospecting system |
| US5867504A (en) * | 1997-06-05 | 1999-02-02 | Sgs-Thomson Microelectronics, S.R.L. | Semiconductor memory device with row and column redundancy circuits and a time-shared redundancy circuit test architecture. |
| CN102554633B (en) * | 2011-11-23 | 2015-04-08 | 中国人民解放军国防科学技术大学 | Long-stroke high-frequency-response quick cutter servo device |
| CN102862084B (en) * | 2012-10-11 | 2014-09-03 | 厦门大学 | Cutter servo micro-feeding mechanism |
| CN103780005A (en) * | 2012-10-24 | 2014-05-07 | 上海微电子装备有限公司 | Rotating motor device |
| CN103009071A (en) * | 2012-12-17 | 2013-04-03 | 厦门大学 | Tool fine adjustment mechanism |
| CN103862300B (en) * | 2014-02-13 | 2016-05-04 | 温州医科大学眼视光研究院 | A kind of gas guide rail high frequency response type device |
| CN204123172U (en) * | 2014-09-15 | 2015-01-28 | 北京海普瑞森科技发展有限公司 | Coaxial cutterhead |
| CN107283174A (en) * | 2016-04-12 | 2017-10-24 | 浙江科技学院 | A kind of linear fast tool servo device of two degrees of freedom based on air-float guide rail |
| CN107367219B (en) * | 2016-05-12 | 2019-01-11 | 哈尔滨工业大学 | Lorentz force motor-direct-drive type inductance sensor calibrating installation |
| CN206123266U (en) * | 2016-10-28 | 2017-04-26 | 北京海普瑞森科技发展有限公司 | But tool changing sharp knife device |
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- 2018-08-17 CN CN201810942619.2A patent/CN109014993B/en active Active
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