CN106736777A - A kind of fixture of the axle thread that intersected vertically for turnery processing - Google Patents
A kind of fixture of the axle thread that intersected vertically for turnery processing Download PDFInfo
- Publication number
- CN106736777A CN106736777A CN201710177330.1A CN201710177330A CN106736777A CN 106736777 A CN106736777 A CN 106736777A CN 201710177330 A CN201710177330 A CN 201710177330A CN 106736777 A CN106736777 A CN 106736777A
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- Prior art keywords
- torus
- workpiece
- positioning
- locating ring
- clamping plate
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Classifications
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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
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
A kind of fixture of the axle thread that intersected vertically for turnery processing, the supporting surface of torus is together form by the cambered surface of two gussets；Opening on the torus circumference is located between two gussets.The joint face of locating ring circumferential surface is contacted and fixed with the surface of the clamping plate.The lower surface of the locating ring is contacted and fixed with the upper surface of the torus.The positioning spigot of the locating ring upper surface is used to install workpiece.Base plate is weldingly fixed on the lower surface of the torus, and makes the plane on the base plate circumference corresponding with the aperture position on the torus circumference.The present invention realizes thread-whirling axle and changes to coaxial with lathe spindle, while being easy to screw thread process to operate, it is to avoid clamping deformation, turning are trembled, reduces frock manufacture difficulty and cost, overcomes deficiency of the prior art.
Description
Technical field
The present invention relates to mechanical processing industry, specifically a kind of to be used in horizontal lathe clamping, centering, turning intersects vertically
The fixture of axle thread.
Background technology
Intersect vertically axle screw thread at present can be good on multiaxis composite processing machine tool realize processing, screw thread typically lead to
Excessive angle rotary main shaft can carry out Milling Process.The present situation that China's machine adds is the multiaxis Compound Machining for having some high-grade, precision and advanced
Lathe, but enterprise still occupies relatively large ratio to horizontal lathe at home, and be still most preferable for screw thread process turning
Processing mode.But because thread-whirling axle is vertical with lathe spindle on horizontal lathe, it is impossible to directly carry out turnery processing；Together
When due to clamping axle it is vertical with thread-whirling axle, during turning, screw thread easily deforms, trembles, therefore typically to use exclusive clamps
Tool changes to coaxial with lathe spindle thread-whirling axle, while glissando is taken, to realize horizontal lathe turnery processing.This
Sample reduces the difficulty of processing of screw thread, reduces processing cost, and especially for the part produced in enormous quantities, advantage is brighter
It is aobvious.
In existing process technology, the screw thread for the axle that intersects vertically is general using upset work during turning on horizontal lathe
Dress, is rotated to coaxial with lathe spindle thread-whirling axle by overturning frock.This processing tool has that the process-cycle is long, work
Installing meter is complicated, funds are high, using the deficiency such as scope is small, and frock care and maintenance is all relatively stricter, increased the system of part
Cause this.For the part produced in enormous quantities, the frock is clearly incompatible.
The content of the invention
To overcome the process-cycle present in prior art long, small using scope, and care and maintenance high cost is not
Foot, the present invention proposes a kind of fixture of the axle thread that intersected vertically for turnery processing.
The present invention includes clamping plate, torus, locating ring, two gussets and base plate.Described two gussets are fixed on clamping
One surface of plate, and the cambered surface of described two gussets together form the supporting surface of torus, by the circumference table of torus
Face contacts and fixes with the cambered surface of described two gussets；Opening on the torus circumference is located between two gussets, and far
From clamping plate.The joint face of locating ring circumferential surface is contacted and fixed with the surface of the clamping plate；The lower surface of the locating ring
Contact and fix with the upper surface of the torus；The positioning spigot of the locating ring upper surface is used to install workpiece.Base plate is welded
It is fixed on the lower surface of the torus, and makes the aperture position pair on plane on the base plate circumference and the torus circumference
Should.
The centre of gyration of the external diameter of the clamping plate more than locating ring.The surface periphery for being provided with gusset in the clamping plate adds
Work has step.
There is the opening of avoidance workpiece " C " font on the circumference of the torus.In the C " distinguish at font both ends open
There is the screwed hole for installing Positioning screw.
External diameter of the external diameter of the locating ring more than the torus；The internal diameter of locating ring is interior less than the torus
Footpath.In the locating ring circumferential surface joint face is machined with, for being welded and fixed with clamping plate surface.In the locating ring upper table
Face is machined with the positioning spigot of ring-type, and together form determination workpiece by orthogonal two surfaces of the positioning spigot turns round
Center and the locating surface of machine tool chief axis centre of gyration relative position.
Inner surface at the positioning spigot forms the internal diameter and work at the locating surface of workpiece centre, and the positioning spigot
The maximum outside diameter of part is identical, and makes the center of the positioning spigot concentric with the center of workpiece；The step surface of the positioning spigot is formed
The locating surface of the frock centre of gyration, distance and the workpiece mounting table face to the workpiece on the step surface surface to clamping plate center add
The distance at work center is equal.
One Surface Machining of the gusset is the arc surface being engaged with annulus external surface.
There is the mounting hole of supporting screw at the center of the base plate；It is symmetrical on the torus circumference that positioning is distributed with
Screw hole, and the positioning screw hole central axis in the axis of workpiece.
In actual production, the axle thread difficulty of processing on horizontal lathe that why intersects vertically is big, mainly：First, spiral shell
Line gyroaxis is vertical with lathe spindle, it is impossible to direct cutted thread；Second, deformation when how to reduce screw thread process and tremble
It is more difficult.Therefore key of the invention is：First, it is necessary to rotate to the position with main axis parallel thread-whirling axle, it is horizontal
Lathe could be processed；Second, fixture wants structure and installation way reasonable in design, chooses rational Set and Positioning benchmark, had both had
There is good clamping performance, enough clamping powers can be provided, turn avoid the inaccurate and clamping deformation of positioning；3rd, formulate
Accurate centering mode, solves the problems, such as thread turning centering；4th, fixture wants damping modes reasonable in design, it is to avoid screw thread
Turning deformation is trembled.
The present invention, by clamp structure reasonable in design, chooses reasonable according to the design feature of the screw thread of the axle that intersects vertically
Positioning datum, installation way, reduce clamping workpiece difficulty, realize thread-whirling axle and change to coaxial with lathe spindle, together
When be easy to screw thread process to operate, it is to avoid clamping deformation, turning are trembled, reduce frock manufacture difficulty and cost, overcome existing skill
Deficiency in art.
When using, main shaft clamping fixed body clamping plate is cylindrical, centering fixed body clamping plate step circles.Positioning screw screws in solid
Determine body torus cylindrical, first adjust to larger both sides Positioning screw spacing, to ensure that part is put into vertical shaft extension after fixed body
Go out torus open slot.The big end of part is put into fixed body locating ring positioning spigot, part is pressed in by connecting bolt
Fixed body locating ring upper surface, makes part be linked together with frock.Positioning screw and supporting screw are constantly screwed in, until with zero
Part periphery is contacted, and must not now note and apply external force to part periphery, only does Auxiliary support.Tighten retainer nut, workpiece
Clamping, centering are finished.
Realize that clamping intersects vertically axle thread part on horizontal lathe by using the present invention, by the conversion of thread-whirling axle
Be it is parallel with machine tool chief axis can machining state.Workpiece is fixed by the connecting bolt on fixed body, machine tool jaw is clamped
Power is not directly placed on workpiece, and workpiece does not receive radial direction clamping external force, can effectively reduce the deformation that workpiece is caused due to clamping, together
When eliminated in traditional processing proposal because of the direct clamping workpiece of main shaft by main shaft clamping tooling, reduce workpiece transmitting torque and
The deformation for causing.Meanwhile, the present invention be prevented from turning hang down quadrature axis screw thread when produce vibration, workpiece is reduced by Auxiliary support
Influence of the clamping power to Workpiece Machining Accuracy, so as to improve the crudy of product.It is demonstrated experimentally that making product using the present invention
Quality percentage reach 100%, realize product " zero-fault " payment, and improve production efficiency, improved by original 4h/ parts
0.5h/ parts are arrived.The present invention has saved cost without turning repeatedly, and effect becomes apparent in batch production.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the A of Fig. 1 to schematic diagram；
Fig. 3 is the B-B schematic diagrames of Fig. 1；
Fig. 4 is the schematic diagram of clamping plate, and wherein 4a is front view, and 4b is side view；
Fig. 5 is the schematic diagram of torus, and wherein 5a is front view, and 5b is side view；
Fig. 6 is the schematic diagram of locating ring, and wherein 6a is front view, and 6b is top view；
Fig. 7 is the schematic diagram of base plate, and wherein 7a is top view, and 7b is front view；
Fig. 8 is the schematic diagram of gusset, and wherein 8a is front view, and 8b is side view；
Fig. 9 is fixture fundamental diagram.
Figure 10 is the explosive view of fixture.In figure：
1. clamping plate；2. housing screw；3. torus；4. locating ring；5. Positioning screw；6. retainer nut；7. base plate；8.
Supporting screw；9. gusset；10. workpiece；11. scroll chucks.
Specific embodiment
The present embodiment is a kind of to be intersected vertically the fixture of axle thread, including clamping plate 1, circle for the processing on horizontal lathe
Ring body 3, locating ring 4, two gussets 9, base plates 7.Described two gussets 9 are fixed on a surface of clamping plate 1, and described two
The cambered surface of individual gusset together form the supporting surface of torus, make the circumferential surface of torus 3 and the cambered surface of described two gussets
Contact and be welded and fixed；Opening on the torus circumference is located between two gussets, and away from clamping plate.Locating ring 4 is justified
The joint face of perimeter surface is contacted and is welded and fixed with the surface of the clamping plate；The lower surface of the locating ring and the torus
Upper surface contacts and is welded and fixed；The positioning spigot of the locating ring upper surface is used to install workpiece.Base plate 7 is weldingly fixed on described
The lower surface of torus 3, and make the plane on the base plate circumference corresponding with the aperture position on the torus circumference.Described
There is the mounting hole of supporting screw 8 at the center of base plate；It is symmetrical on the torus circumference that positioning screw hole, and institute is distributed with
State the axis of the central axis in workpiece of positioning screw hole.
The clamping plate 1 is plectane, the centre of gyration of the external diameter more than locating ring 4 of the clamping plate.Installed in the clamping plate
The surface periphery for having gusset 9 is machined with step, and the step is used for the centering of the workpiece centre of gyration in processing.Have on the clamping plate
Lightening core.
There is the opening for avoiding workpiece on the circumference of the torus 3, the profile for making the torus is in " C " font.Described
The screwed hole for installing Positioning screw is machined with C " font both ends opens respectively.
External diameter of the external diameter of the locating ring 4 more than the torus 3；The internal diameter of locating ring 4 is less than the torus 3
Internal diameter.In the locating ring circumferential surface joint face is machined with, for being welded and fixed with the surface of clamping plate 1.In the locating ring
Upper surface is machined with the positioning spigot of ring-type, and determination workpiece is together form by orthogonal two surfaces of the positioning spigot
The locating surface of the centre of gyration and machine tool chief axis centre of gyration relative position.Wherein：Inner surface at the positioning spigot forms work
Internal diameter at the locating surface at part center, and the positioning spigot is identical with the maximum outside diameter of workpiece, and makes the center of the positioning spigot
Center with workpiece is concentric；The step surface of the positioning spigot forms the locating surface of the frock centre of gyration, and the step surface surface is extremely
The distance at clamping plate center is equal with the distance in workpiece mounting table face to the work piece processing center.In the step surface of the positioning spigot
On be evenly equipped with multiple workpiece fixing holes.
The gusset 9 is bulk.One Surface Machining of the gusset is the arc surface being engaged with annulus external surface.
The external diameter of the base plate 7 is identical with the external diameter of the torus 3.Lightening core is machined with which floor plate.
In the present embodiment, clamping plate is 45# steel circular slabs, and there is leading to for diameter 100mm at diameter 420mm, thickness 40mm, center
Hole, uniform 4 diameter 100mm radially mitigate through hole on plate.Welding the end face of gusset has the annular centering step of diameter 410mm,
Depth is 10mm.Locating ring is 45# steel annular slabs, outer shroud external diameter 327mm, annular diameters 258mm, it is ensured that workpiece can be filled smoothly
Enter in fixed body, thickness 25mm.There is plane 102mm wide vertical side, for clamping plate weld.Upper surface has an annular fixed
Position seam, a diameter of 310mm of the positioning spigot, depth is 10mm, depth 4mm.Positioning spigot axis and clamping plate centering platform
Rank axis overlaps, the uniform radially 6 M8 screwed holes of positioning spigot end face.Base plate is 45# steel circular slabs, diameter 320mm, thickness
There are a M20 screwed holes at 15mm, center.Plate face has the counterweight through hole of diameter 85mm at three, and there is plane 160mm wide vertical side,
It is corresponding with counterweight through hole.Torus is the hollow revolving body of 45# steel.Internal diameter 270mm, external diameter 300mm, height 180mm, vertical side
There are 140mm open slots wide in face.Torus upper surface and locating ring are welded, lower surface and floor welded, the open slot plane of symmetry with
Clamping plate weld.Torus, locating ring, the axis of base plate overlap.The side outer wall of open slot two respectively has a M8 screwed hole, is used for
Connection Positioning screw, away from open slot incline apart from 40mm.Each one of gusset the right and left is welded in torus both sides, then with clamping
Plate, locating ring, base plate welding, support, connection function are played to fixed body.In embodiment gusset be 45# steel cuboids, 180mm long,
75mm wide, thickness 30mm, thickness direction side has to be used for and torus erection welding with torus outer annular diameter identical cambered surface.
Positioning screw 5 is made up of 45 steel, is six square head structures, and screw end face is welded with spherical brass, and screw length is according to solid
Determine body annulus body thickness, the turner diameter of thread to determine.
Supporting screw 8 is made up of 45 steel, is six square head structures, and screw end face is welded with brass, surfacing, screw length root
Determined away from base plate distance according to fixed body base plate thickness, workpiece.
The present embodiment is by taking certain workpiece as an example.The first axle of the workpiece is vertical with the second axle, symmetry requirement 0.1, the second axle
Threading M120 × 1.
When using：Clamping plate 1 is used into conventional installation way clamping on the scroll chuck 11 of horizontal lathe, and uses percentage
Table centering, clamping plate step end face and outside diameter runout are within 0.01 ㎜.Put the workpiece in the torus of clamping plate 1, will
The big end end face of workpiece first axle is put into locating ring seam, and ensures that workpiece first axle axis is coaxial with lathe spindle；Make by
Second axle thread of turning stretches out from the opening of torus 3.With dial gauge centering workpiece first axle upper surface jerk value, to determine
Workpiece is closely attached on the positioning spigot end face of locating ring, while treat that cutted thread is cylindrical and end face with the axle of dial gauge centering second, with
Guarantee treats that cutted thread axis is coaxial with lathe spindle.The big end end face of workpiece first axle is compressed using housing screw 2.Turn both sides
Positioning screw 5, make Positioning screw copper portion bulb uniform contact the second axle of workpiece outer surface.Positioning screw is to workpiece turning
Only serve and prevent quivering, must not screw makes the axle of workpiece second be subject to radially outward force, finally screws retainer nut, prevent from being positioned during processing
Screw loosening.Turn supporting screw 8, makes supporting screw copper end contact workpiece bottom.Supporting screw only does auxiliary to workpiece
Support is helped, must not screw makes workpiece axially by external force, finally screws retainer nut, supporting screw loosens when preventing processing.
Just being capable of the axle thread of turning second using general thread turning method.
The present embodiment can realize the axle thread turnery processing that intersects vertically on horizontal lathe, realize quick-clamping, soon
Fast centering, conventional turnery processing, it is to avoid such product must be processed on Multishaft processing center or overturn work using high cost
Fill the requirement of clamping；The deformation that thin-wall part is caused by clamping is effectively reduced simultaneously, the product for causing that trembles during finishing is prevented
Deformation is low with surface roughness, preferably ensure that the Geometrical Tolerance Principle of the axle that intersects vertically.Tool structure is simple in the present invention,
It is easy to use, it is not necessary to reprocessabilty, so being no longer running stores, cost is saved, effect becomes apparent in batch production.
Claims (7)
1. a kind of fixture of the axle thread that intersected vertically for turnery processing, it is characterised in that including clamping plate, torus, positioning
Ring, two gussets and base plate；Described two gussets are fixed on a surface of clamping plate, and the cambered surface of described two gussets is total to
With the supporting surface for foring torus, the circumferential surface of torus is contacted and fixed with the cambered surface of described two gussets；It is described
Opening on torus circumference is located between two gussets, and away from clamping plate；The joint face of locating ring circumferential surface with it is described
The surface of clamping plate contacts and fixes；The lower surface of the locating ring is contacted and fixed with the upper surface of the torus；The positioning
The positioning spigot of ring upper surface is used to install workpiece；Base plate is weldingly fixed on the lower surface of the torus, and justifies the base plate
Plane on week is corresponding with the aperture position on the torus circumference.
2. intersect vertically the fixture of axle thread for turnery processing as claimed in claim 1, it is characterised in that the clamping plate
The centre of gyration of the external diameter more than locating ring；The surface periphery for being provided with gusset in the clamping plate is machined with step.
3. intersect vertically the fixture of axle thread for turnery processing as claimed in claim 1, it is characterised in that the torus
There is the opening of avoidance workpiece " C " font on circumference；In the C " it is useful in installing Positioning screw respectively at font both ends open
Screwed hole.
4. intersect vertically the fixture of axle thread for turnery processing as claimed in claim 1, it is characterised in that the locating ring
External diameter of the external diameter more than the torus；Internal diameter of the internal diameter of locating ring less than the torus；In the locating ring circumferential surface
Joint face is machined with, for being welded and fixed with clamping plate surface；The positioning for being machined with ring-type in the locating ring upper surface is stopped
Mouthful, be together form by orthogonal two surfaces of the positioning spigot in determining that the workpiece centre of gyration is turned round with machine tool chief axis
The locating surface of heart relative position.
5. intersect vertically the fixture of axle thread for turnery processing as claimed in claim 4, it is characterised in that the positioning spigot
The internal diameter that the inner surface at place is formd at the locating surface of workpiece centre, and the positioning spigot is identical with the maximum outside diameter of workpiece, and
Make the center of the positioning spigot concentric with the center of workpiece；The step surface of the positioning spigot forms the positioning of the frock centre of gyration
Face, distance of the step surface surface to clamping plate center is equal with the distance in workpiece mounting table face to the work piece processing center.
6. intersect vertically the fixture of axle thread for turnery processing as claimed in claim 1, it is characterised in that the one of the gusset
Individual Surface Machining is the arc surface being engaged with annulus external surface.
7. intersect vertically the fixture of axle thread for turnery processing as claimed in claim 1, it is characterised in that in the base plate
There is the mounting hole of supporting screw at center；It is symmetrical on the torus circumference that positioning screw hole, and the positioning is distributed with
The central axis of screw hole are in the axis of workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710177330.1A CN106736777B (en) | 2017-03-23 | 2017-03-23 | A kind of fixture for the axle thread that intersects vertically for turnery processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710177330.1A CN106736777B (en) | 2017-03-23 | 2017-03-23 | A kind of fixture for the axle thread that intersects vertically for turnery processing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106736777A true CN106736777A (en) | 2017-05-31 |
| CN106736777B CN106736777B (en) | 2018-10-23 |
Family
ID=58966319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710177330.1A Active CN106736777B (en) | 2017-03-23 | 2017-03-23 | A kind of fixture for the axle thread that intersects vertically for turnery processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106736777B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107263179A (en) * | 2017-08-14 | 2017-10-20 | 四川建安工业有限责任公司 | Differential casing Internal Spherical Surface turning clamp |
| CN115070066A (en) * | 2022-07-27 | 2022-09-20 | 抚顺煤矿电机制造有限责任公司 | Turning method of motor end cover |
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| JPS63283829A (en) * | 1987-05-14 | 1988-11-21 | Nippon S K F Kk | Manufacture of thin cylindrical sleeve member |
| CN103028987A (en) * | 2012-12-03 | 2013-04-10 | 西安航天动力机械厂 | Numerical control processing fixture for two perpendicularly-crossed shafts |
| CN103949923A (en) * | 2014-05-12 | 2014-07-30 | 强胜精密机械(苏州)有限公司 | Fixture and method for clamping non-circular base type circular boss product |
| CN204976130U (en) * | 2015-07-16 | 2016-01-20 | 天润曲轴股份有限公司 | Turning attachment of turning engine connecting rod |
| CN205166501U (en) * | 2015-12-02 | 2016-04-20 | 安徽盛运重工机械有限责任公司 | Trapezoidal thread turner dress |
| CN205703335U (en) * | 2016-04-08 | 2016-11-23 | 重庆业成科技有限公司 | Side fixed pattern clutch housing fixture |
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2017
- 2017-03-23 CN CN201710177330.1A patent/CN106736777B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63283829A (en) * | 1987-05-14 | 1988-11-21 | Nippon S K F Kk | Manufacture of thin cylindrical sleeve member |
| CN103028987A (en) * | 2012-12-03 | 2013-04-10 | 西安航天动力机械厂 | Numerical control processing fixture for two perpendicularly-crossed shafts |
| CN103949923A (en) * | 2014-05-12 | 2014-07-30 | 强胜精密机械(苏州)有限公司 | Fixture and method for clamping non-circular base type circular boss product |
| CN204976130U (en) * | 2015-07-16 | 2016-01-20 | 天润曲轴股份有限公司 | Turning attachment of turning engine connecting rod |
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| CN205703335U (en) * | 2016-04-08 | 2016-11-23 | 重庆业成科技有限公司 | Side fixed pattern clutch housing fixture |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107263179A (en) * | 2017-08-14 | 2017-10-20 | 四川建安工业有限责任公司 | Differential casing Internal Spherical Surface turning clamp |
| CN115070066A (en) * | 2022-07-27 | 2022-09-20 | 抚顺煤矿电机制造有限责任公司 | Turning method of motor end cover |
| CN115070066B (en) * | 2022-07-27 | 2024-04-05 | 抚顺煤矿电机制造有限责任公司 | Turning method of motor end cover |
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| Publication number | Publication date |
|---|---|
| CN106736777B (en) | 2018-10-23 |
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