CN108406569A - A kind of numerical control honing instrument for machining high-precision spherical surface - Google Patents
A kind of numerical control honing instrument for machining high-precision spherical surface Download PDFInfo
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- CN108406569A CN108406569A CN201810589090.0A CN201810589090A CN108406569A CN 108406569 A CN108406569 A CN 108406569A CN 201810589090 A CN201810589090 A CN 201810589090A CN 108406569 A CN108406569 A CN 108406569A
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- China
- Prior art keywords
- precision
- driving shaft
- honing
- spherical surface
- numerical control
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B33/00—Honing machines or devices; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B33/00—Honing machines or devices; Accessories therefor
- B24B33/10—Accessories
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention discloses a kind of numerical control honing instruments for machining high-precision spherical surface, including equipment rack, driving shaft mechanism, precision drive gear motor, honing fuel tank, precision stepper motor and driving shaft mechanism；The present apparatus has Honing process simultaneously, and with two main machining functions of attrition process, for attrition process primarily to improving machining accuracy, Honing process solves the pressure sand effect in process of lapping to improve processing efficiency, the precision of spherical parts；It follows rotation mechanism and control system to realize generation method spherical surface generating principle automatically by axis system, swing mechanism, grinding head mechanism, elasticity, ensures uniformly to go amount in grinding process；Grinding head mechanism ensures being fitted on the spherical surface of part to be processed for bistrique all-the-time stable, realizes generation method principle, ensure that the machining accuracy of spherical parts under the action of elastic pressure.
Description
Technical field
The present invention relates to spherical surface processing technology, specifically a kind of numerical control honing instrument for machining high-precision spherical surface.
Background technology
Low precision level, substantially 0.005-0.01mm during China's spherical parts processing at present is in, high-precision spherical surface zero
Part processing is a difficult point.Foreign countries can reach 0.002-0.0005mm.Especially in Aeronautics and Astronautics, precision machinery, accurate axis
It holds, the technical fields such as human synovial, is badly in need of a kind of high-precision spherical surface honing, milling apparatus.
Honing process be it is a kind of make workpiece machining surface reach high-precision, great surface quality, the high life one kind efficiently plus
Work method can effectively improve dimensional accuracy, form accuracy and reduce Ra values, but cannot improve the position essence of hole and other surfaces
Degree.But the surface quality of plane honing is slightly poor.
Invention content
The purpose of the present invention is to provide a kind of numerical control honing instruments for machining high-precision spherical surface, to solve the above-mentioned back of the body
The problem of being proposed in scape technology.
To achieve the above object, the present invention provides the following technical solutions：
A kind of numerical control honing instrument for machining high-precision spherical surface, including equipment rack, driving shaft mechanism, precision drive
Gear motor, honing fuel tank, precision stepper motor and driving shaft mechanism, the equipment rack include active shaft platform and vertical frame,
The honing fuel tank is located at equipment rack driving shaft mesa base, and the master being inserted on equipment rack is equipped with above honing fuel tank
Movable shaft mechanism, the driving shaft mechanism are fixedly connected by NSK precision bearings with equipment rack, the precision drive gear motor
The lower part in vertical frame, the precision drive gear motor are sequentially connected with driving shaft mechanism by driving belt；The equipment
It is additionally provided with servo feed system in rack, in vertical frame, is equipped with swing mechanism, the oscillating machine above precision drive gear motor
Structure front end stretches out vertical frame left side and is equipped with leading screw, and being located at the upper on the outside of vertical frame in swing mechanism is equipped with accurate stepping
The lead screw transmission of motor, the precision stepper motor and swing mechanism connects, and elaborate servo motor and song are connected on leading screw
Handle rocker device, the elaborate servo motor bottom are equipped with universal floating head, abrasive grinding wheel, institute are clamped on universal floating head
It states universal floating head and is located at surface at the top of driving shaft mechanism.
Preferred embodiment as the present invention：The equipment rack main body section is in " L " font.
As further preferred embodiment of the invention：The servo feed system is by servo motor, universal floating head, essence
Close linear guides and CKD feeding cylinder compositions.
As further preferred embodiment of the invention：The hunting range of the swing mechanism is ± 45 °.
Compared with prior art, the beneficial effects of the invention are as follows：The present apparatus has Honing process simultaneously, with attrition process two
A main machining function, attrition process is primarily to improve machining accuracy, and Honing process is in order to improve the processing of spherical parts
Efficiency, precision solve the pressure sand effect in process of lapping；It is automatic by axis system, swing mechanism, grinding head mechanism, elasticity
It follows rotation mechanism and control system to realize generation method spherical surface generating principle, ensures uniformly to go amount in grinding process；Bistrique
Mechanism ensures that bistrique all-the-time stable is fitted on the spherical surface of part to be processed under the action of elastic pressure, realize model at
Method principle ensure that the machining accuracy of spherical parts.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
1- equipment racks in figure, 2- active shaft platforms, 3-NSK precision bearings, 4- driving shaft mechanisms, 5- spherical parts, 6-
Universal floating head, 7- elaborate servo motors, 8- precision stepper motors, 9- swing mechanisms, 10- driving belts, 11- precision drive teeth
Turbin generator, 12- honing fuel tanks.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, in the embodiment of the present invention, a kind of numerical control honing instrument for machining high-precision spherical surface, including set
Standby host frame 1, driving shaft mechanism 3, precision drive gear motor 11, honing fuel tank 12, precision stepper motor 8 and driving shaft mechanism 4,
1 main body section of the equipment rack is in " L " font, and the equipment rack 1 includes active shaft platform 2 and vertical frame, the honing oil
Case 12 is located at 1 active shaft platform of equipment rack, 2 bottom, and the active being inserted on equipment rack 1 is equipped with above honing fuel tank 12
Axis mechanism 4, the driving shaft mechanism 4 are fixedly connected by NSK precision bearings 3 with equipment rack 1, the precision drive gear electricity
Machine 11 is located at lower part in vertical frame, and the precision drive gear motor 11 is sequentially connected with driving shaft mechanism 3 by driving belt 10；
It is additionally provided with servo feed system on the equipment rack 1, the servo feed system is mainly by servo motor 7, and ten thousand
To air supported head 6, precision linear guide rail and CKD feeding cylinder compositions are equipped in vertical frame, above precision drive gear motor 11
Swing mechanism 9,9 front end of the swing mechanism stretch out vertical frame left side and are equipped with leading screw, be located on the outside of vertical frame in swing mechanism 9
Upper be equipped with precision stepper motor 8, the precision stepper motor 8 is connect with the lead screw transmission of swing mechanism 9, in leading screw
On be connected with elaborate servo motor 7 and crank and rocker mechanism, 7 bottom of elaborate servo motor is equipped with universal floating head 6, ten thousand
Abrasive grinding wheel is clamped on air supported head 6, the universal floating head 6 is located at right over 4 top of driving shaft mechanism, and the active is taken out
Spherical parts 5 are placed in 4 top by mechanism；
Specifically, spherical parts 5 are fixed on by the clamping modes such as mechanical, pneumatic, electronic in driving shaft mechanism 4, make by
It processes spherical parts 5 and main shaft is coaxial, concentricity is not more than 0.01mm, and principle axis shafting is supported by high-precision angular contact bearing, essence
Close servo motor 7 is driven by belt, ensure that the rigidity and stability of principle axis shafting.
Specifically, crank and rocker mechanism is directly driven by servo motor in swing mechanism 9, the hunting range of swing mechanism 9
Substantially ± 45 °, swing mechanism is swung around orthogonal points (i.e. the centre of sphere), the rotation of main shaft and the swing shape of swing mechanism 9
At spheric motion track, the circularity precision of spherical parts ensure that；
Specifically, precision linear guide rail is equipped with grinding head mechanism, rail axis is directed toward axle center, cylinder is fed by CKD always
Elasticity of gases loading system is formed, bistrique rotation axis installs flexible automatic tracking mechanism, when bistrique axis runout Pneumatic guide rail
When axis, the self-adaptation type of elastic automatic following system can correct above-mentioned deviation, bistrique is made closely to be pressed on spherical surface always automatically
On, the transforming into property of spherical surface is ensure that, to ensure that spherical surface machining accuracy；
Device further includes having control system, and the rotating speed to three main movements has been carried out according to the technological parameter optimized already
Position controls, while control system is equipped with operation interface, can flexibly adjust the technological parameter of spherical surface processing, technological parameter
Have：The movement velocity of three movements, pressure, swing angle, sphere center position compensation, pressure protection, grinding fluid spray sequential.
The present invention operation principle be：Driving shaft mechanism 4 passes through transmission by precision drive gear motor 11 when device works
Belt 10 gives the angular speed of one w1 of driving shaft, driving shaft to pass to processed spherical parts 5, spherical surface zero with the angular speed of w1
Part 5 is steadily rotated clockwise with the angular speed of w1；Servo feed system is mainly by servo motor 7, universal floating head 6, Precision wire
Property guide rail and CKD feeding cylinder composition, wherein servo motor 7 by driver control to the angle of 6 one w2 of universal floating head
Abrasive grinding wheel is clamped in speed, universal floating head 6, and abrasive grinding wheel is rotated by the angular speed of angular speed w2, and servo feed system is logical
Crossing precision linear guide rail and CKD cylinders makes abrasive grinding wheel tightly be fitted on piece surface, by servo motor 7 with the angles w2 speed
Rotation completes the effect for cutting spherical parts to degree counterclockwise；Servo feed system moves forward and backward control grinding by w3 angular speed
Grinding wheel center passes through spherical parts 5 completely；Swing mechanism 9 drives leading screw rotation by precision stepper motor 8, with w4 angular speed
Upper the next adjustment swing mechanism 9, it is determined that the axle center of swing mechanism 9 has to pass through the center of spherical parts 5, and is shaken by crank
Linkage is back and forth exported with the angular speed of w5, is driven abrasive grinding wheel to be moved along the surface tracks of spherical parts 5, is realized
Spherical surface generating principle ensures spherical surface circularity；By equipment rack 1 and active shaft platform 2, good work is provided for processing
Platform ensure that being smoothed out for processing, by honing liquid case 12, in process by dynamical system toward spherical parts 5
Honing oil is sprayed on surface, plays cooling and has gone up finish；Also additional force snesor and number display in this example
Pressure data at this stage can be fed back to by force snesor on digital display, pass through data analysis zero by device function in real time
Part pressure condition.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (4)
1. a kind of numerical control honing instrument for machining high-precision spherical surface, including equipment rack, driving shaft mechanism, precision drive tooth
Turbin generator, honing fuel tank, precision stepper motor and driving shaft mechanism, which is characterized in that the equipment rack includes that driving shaft is flat
Platform and vertical frame, the honing fuel tank are located at equipment rack driving shaft mesa base, are equipped with above honing fuel tank and are inserted into equipment
Driving shaft mechanism in rack, the driving shaft mechanism are fixedly connected by NSK precision bearings with equipment rack, the accurate biography
Moving teeth turbin generator is located at lower part in vertical frame, and the precision drive gear motor, which is driven with driving shaft mechanism by driving belt, to be connected
It connects；It is additionally provided with servo feed system on the equipment rack, in vertical frame, is equipped with oscillating machine above precision drive gear motor
Structure, the swing mechanism front end stretch out vertical frame left side and are equipped with leading screw, be located on the part on the outside of vertical frame in swing mechanism
Side is equipped with precision stepper motor, and the lead screw transmission connection of the precision stepper motor and swing mechanism is connected with essence on leading screw
Close servo motor and crank and rocker mechanism, the elaborate servo motor bottom are equipped with universal floating head, are pressed from both sides on universal floating head
Hold abrasive grinding wheel, the universal floating head is located at surface at the top of driving shaft mechanism.
2. a kind of numerical control honing instrument for machining high-precision spherical surface according to claim 1, which is characterized in that institute
It states.
3. a kind of numerical control honing instrument for machining high-precision spherical surface according to claim 1, which is characterized in that described
Servo feed system is by servo motor, universal floating head, precision linear guide rail and CKD feeding cylinder compositions.
4. a kind of numerical control honing instrument for machining high-precision spherical surface according to claim 1, which is characterized in that described
The hunting range of swing mechanism is ± 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810589090.0A CN108406569A (en) | 2018-06-08 | 2018-06-08 | A kind of numerical control honing instrument for machining high-precision spherical surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810589090.0A CN108406569A (en) | 2018-06-08 | 2018-06-08 | A kind of numerical control honing instrument for machining high-precision spherical surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108406569A true CN108406569A (en) | 2018-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201810589090.0A Pending CN108406569A (en) | 2018-06-08 | 2018-06-08 | A kind of numerical control honing instrument for machining high-precision spherical surface |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109483394A (en) * | 2018-09-13 | 2019-03-19 | 西安航晨机电科技股份有限公司 | Hemispherical resonator ultraprecise device for machining spherical surface and processing method |
| CN111070024A (en) * | 2018-10-22 | 2020-04-28 | 昆山航晨自动化科技有限公司 | H30 vertical precise spherical surface machining device and operation method |
-
2018
- 2018-06-08 CN CN201810589090.0A patent/CN108406569A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109483394A (en) * | 2018-09-13 | 2019-03-19 | 西安航晨机电科技股份有限公司 | Hemispherical resonator ultraprecise device for machining spherical surface and processing method |
| CN109483394B (en) * | 2018-09-13 | 2023-12-12 | 西安航晨机电科技股份有限公司 | Ultra-precise spherical surface machining device and method for hemispherical harmonic oscillator |
| CN111070024A (en) * | 2018-10-22 | 2020-04-28 | 昆山航晨自动化科技有限公司 | H30 vertical precise spherical surface machining device and operation method |
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