CN104493705B - A kind of floating clamp after improvement - Google Patents
A kind of floating clamp after improvement Download PDFInfo
- Publication number
- CN104493705B CN104493705B CN201410659302.XA CN201410659302A CN104493705B CN 104493705 B CN104493705 B CN 104493705B CN 201410659302 A CN201410659302 A CN 201410659302A CN 104493705 B CN104493705 B CN 104493705B
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- Prior art keywords
- fixing seat
- floating
- shell
- key grip
- hole
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- 238000007667 floating Methods 0.000 title claims abstract description 80
- 230000006872 improvement Effects 0.000 title claims abstract description 39
- 230000001105 regulatory effect Effects 0.000 claims abstract description 38
- 238000003825 pressing Methods 0.000 claims abstract description 29
- 230000010355 oscillation Effects 0.000 claims abstract description 5
- 210000004907 gland Anatomy 0.000 claims description 13
- 125000006850 spacer group Chemical group 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 210000000078 claw Anatomy 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 24
- 238000000034 method Methods 0.000 abstract description 16
- 230000009711 regulatory function Effects 0.000 abstract description 3
- 238000000227 grinding Methods 0.000 description 28
- 230000008569 process Effects 0.000 description 12
- 238000013461 design Methods 0.000 description 11
- 238000004891 communication Methods 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 8
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- 238000012545 processing Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 5
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- 238000005516 engineering process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000002687 intercalation Effects 0.000 description 3
- 238000009830 intercalation Methods 0.000 description 3
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 229910001651 emery Inorganic materials 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 241000168254 Siro Species 0.000 description 1
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- 230000037431 insertion Effects 0.000 description 1
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- 229910052742 iron Inorganic materials 0.000 description 1
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- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 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 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention provides the floating clamp after a kind of improvement, belong to field of mechanical technique.Floating clamp after this improvement includes shell, stationary center, clamping device, clamping device includes fixing seat and driving disc spacing pressing, key grip and some sub-folder gripping members it is provided with in fixing seat front, each sub-folder gripping member is installed on fixing seat respectively, the head end of key grip is hingedly connected on fixing seat, the end of key grip is connected with driving disc spacing pressing, fixing seat is flexibly connected with shell by some floating regulating parts, driving disc spacing pressing can drive key grip circuit oscillation, key grip head end is rotated around pin joint, fixing seat produces circumferentially displaced in predetermined circumference domain of walker under key grip drives, fixing seat each sub-folder gripping member related is gathered to workpiece or away from workpiece；Stationary center is coaxially disposed with fixing seat, and stationary center stretches in the middle part of fixing seat through shell part.Floating clamp after this improvement has the advantage that clamping effect is good and has floating regulatory function.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of chuck, particularly a kind of applicable
Floating clamp after the improvement of grinding machine.
Background technology
Grinding machine is to utilize grinding tool that surface of the work is carried out the lathe of grinding.Most
Grinding machine be use High Rotation Speed emery wheel carry out grinding, minority be use oilstone,
Other grinding tools such as abrasive band and free abrasive are processed.
Shaft-like workpiece is carried out mill and adds man-hour, lathe utilizes Double Tops pinnacle the most to be processed
Axle, installs chuck in one end of axle, and chuck is fixed with axle to be processed, and lathe drives emery wheel
Mill processing is carried out near axle.In prior art, great majority are applicable to the chuck structure of grinding machine
Simply, clamping effect is general and easily loosens in process, affects the work of actual grinding machine
Make efficiency.
In sum, for solving the deficiency on existing chuck structure, need design one folder
Floating clamp after the improvement that holding effect fruit is good.
Summary of the invention
It is an object of the invention to there are the problems referred to above for existing technology, it is proposed that a kind of
Clamping effect is good and has the floating clamp after the improvement of floating regulatory function.
The purpose of the present invention can be realized by following technical proposal: floating after a kind of improvement
Dynamic chuck, including shell, stationary center and for clamping the clamping device of workpiece, its
In:
Described clamping device include arranging in the enclosure and fixing seat in hollow structure and
It is movably arranged on the driving disc spacing pressing at shell rear, is provided with in fixing seat front around fixing seat
The key grip of axial line setting and some sub-folder gripping members, each sub-folder gripping member is the most fixed
On fixing seat, the head end of described key grip is hingedly connected on fixing seat, and main folder is held
The end of part is connected with driving disc spacing pressing, and described fixing seat is by some floating regulating parts and shell
Being flexibly connected, described driving disc spacing pressing can drive key grip circuit oscillation so that key grip
Head end rotates around pin joint, and described fixing seat floats in predetermined circumference under key grip drives
Dynamic scope produces circumferentially displaced, and fixing seat each sub-folder gripping member related is gathered to workpiece or far
From workpiece；
Described stationary center is coaxially disposed with fixing seat, and described stationary center is through shell also
Part stretches in the middle part of fixing seat.
As a further improvement on the present invention, described stationary center is worn by top mounting seat
It is located in the middle part of shell, is additionally provided with rear seal-cover and stationary center at shell rear through rear envelope
Lid, described rear seal-cover is tightly connected with fixing seat, driving disc spacing pressing by sealing ring.
As a further improvement on the present invention, described key grip is thin slice claw, described
The quantity of sub-folder gripping member is two, and described sub-folder gripping member is the regulation being fixed on fixing seat
Bolt.
As a further improvement on the present invention, to offer pawl long for the end of described key grip
Strip through-hole, described driving disc spacing pressing is connected with key grip by pusher dog pin, described pusher dog pin
One end is through shell and inserts solid on driving disc spacing pressing, and the other end stretches in pawl strip through hole.
As a further improvement on the present invention, the lateral surface cincture of described key grip head end
It is provided with some arcwall faces.
As a further improvement on the present invention, it is provided with one in the enclosure to insert admittedly at fixing seat
The slide block of top, the head end of described key grip is hingedly connected on slide block.
As a further improvement on the present invention, on fixing seat, symmetry offers and is obliquely installed
And with two sub-folder gripping members, two oblique through holes one to one, each sub-folder gripping member is all located in
In corresponding oblique through hole, fixing seat is further opened with and two oblique through holes one to one two
Individual communication passage, each oblique through hole is all by corresponding communication passage and extraneous UNICOM, often
Individual sub-folder gripping member is all fixed by first and is bolted on fixing seat, and each first fixes
Bolt all sequentially passes through corresponding fixing seat and corresponding communication passage by correspondence sub-folder gripping member admittedly
It is scheduled in corresponding tiltedly through hole.
As a further improvement on the present invention, shell offers and two sub-folder gripping members
It is coaxially disposed and the through hole of circle regulation one to one.
As a further improvement on the present invention, in the middle part of fixing seat symmetry offer two auxiliary
Help hole, be provided with annular end cap in shell upper cover, annular end cap offers auxiliary with two
Help hole two ending cover holes one to one, in the middle part of annular end cap, be inserted with positioning seat, institute
State positioning seat to be made up of, in annular base body the annular base body being connected as a single entity and two locating dowels
Be evenly distributed with some anti-skidding projections on lateral surface, said two locating dowel be symmetrical arranged and
With two via hole one_to_one corresponding, each locating dowel is through corresponding end cap bore and inserts solid right
In answering via hole.
Another as the present invention is improved, and each floating regulating part is separately positioned on fixing seat
Between lateral surface and shell medial surface, described floating regulating part includes being installed in outside fixing seat
Interior gland on side, the extenal fixation head being installed on shell medial surface and for even
Connect interior gland and the floating spring of extenal fixation head.
As a further improvement on the present invention, described interior gland offers interior fixing hole,
The extenal fixation hole being correspondingly arranged with interior fixing hole is offered on described extenal fixation head, described floating
Being respectively arranged at two ends with of spring of moving is arranged in closed loop and relative with interior fixing hole, extenal fixation hole
The internal buckle ring answered, outer buckle ring, described internal buckle ring is through fixing hole in corresponding fixing with interior
Head is connected, and described outer buckle ring through corresponding extenal fixation hole and is connected with extenal fixation head.
As a further improvement on the present invention, in the middle part of shell, ring inner sleeve, institute it are installed with
State stationary center sequentially pass through top mounting seat, rear seal-cover, inner sleeve and partly stretch into fixing
In the middle part of Zuo, described fixing seat cover is located at outside inner sleeve and is flexibly connected with inner sleeve, described fixing
Formation floating cavity volume is surrounded between madial wall and the lateral wall of inner sleeve of seat.
As a further improvement on the present invention, the lateral surface of inner sleeve circumferentially offers
Some inner sleeves regulation through hole, inserts intrinsic and inner sleeve regulation through hole one_to_one corresponding on fixing seat
Some spacer pins, each spacer pin one end is all installed on fixing seat, and the other end is all stretched
Enter in corresponding inner sleeve regulates through hole and can produce circumferentially displaced in this inner sleeve regulation through hole.
As a further improvement on the present invention, the bilateral symmetry of described slide block is provided with two
Slide rail, offers and two slide rails chute one to one on fixing seat, and each slide rail is equal
In being movably arranged on corresponding chute and can straight line sliding in corresponding chute, in described slide block
Portion offers slider row bar shape through hole, is provided with second and fixes in slider row bar shape through hole
Bolt, described second fixes bolt through slider row bar shape through hole and is fixed on slide block
In reservation.
As a further improvement on the present invention, each slide rail is all offered with the junction of slide block
There is strip groove.
As a further improvement on the present invention, above fixing seat, fixing lid and two it is fixed with
Person fastens formation slide block cavity volume, and described slide block is positioned at slide block cavity volume, and described fixing lid leads to
Cross the 3rd to fix bolt and slide block and be connected, fixing cover also be inserted be connected with slide block and
The slide block regulating part of energy adjusting slider vertical direction position, offers and slide block on shell
The long regulation through hole that regulating part is correspondingly arranged.
Based on technique scheme, the embodiment of the present invention at least can produce following technology effect
Really: use thin slice claw and two regulation bolts together to clamp the mode of workpiece, clamping effect
The clamp force distribution that the best and workpiece is subject to is uniform, improves machining accuracy and production efficiency；
Clamping device and floating regulating part cooperate so that slightly off problem when workpiece enters
Also little, ensure that the normal operation of grinding tool and grinding machine well, improve for grinding machine processing
Reliability and operating efficiency, reduce defect rate.
Accompanying drawing explanation
Detailed description of the invention to the present invention makees further details of theory below in conjunction with the accompanying drawings
Bright, wherein:
Structural representation when Fig. 1 is not install stationary center in a preferred embodiment of the present invention
Figure.
Fig. 2 is the structural representation at another visual angle of Fig. 1.
Fig. 3 is the structural representation after installing stationary center in a preferred embodiment of the present invention
Figure.
Fig. 4 is the structural representation at another visual angle of Fig. 2.
Fig. 5 be in Fig. 3 A-A to sectional view.
Fig. 6 is the explosive view of a preferred embodiment of the present invention.
Fig. 7 is the knot after a preferred embodiment of the present invention installs annular end cap and positioning seat
Structure schematic diagram.
Fig. 8 is the structural representation of positioning seat in a preferred embodiment of the present invention.
Fig. 9 is the explosive view of Fig. 7 mono-preferred embodiment.
Figure 10 is that the mounting structure fixing seat and inner sleeve in a preferred embodiment of the present invention shows
It is intended to.
Figure 11 is the structural representation fixing seat in a preferred embodiment of the present invention.
Figure 12 is the structural representation of pusher dog pin in a preferred embodiment of the present invention.
Figure 13 is the structural representation at another visual angle of Figure 11.
Figure 14 is the structural representation at another visual angle of Figure 13.
Figure 15 is the structural representation of a preferred embodiment of the present invention housing.
Figure 16 is the structural representation of key grip in a preferred embodiment of the present invention.
Figure 17 is the structural representation of inner sleeve in a preferred embodiment of the present invention.
Figure 18 is the structural representation at another visual angle of Figure 17.
Figure 19 is the structural representation of fixing lid in a preferred embodiment of the present invention.
Figure 20 is the structural representation of slide block in a preferred embodiment of the present invention.
In figure, 10, shell；11, circular regulation through hole；12, long regulation through hole；21、
Floating regulating part；211, interior gland；2111, interior fixing hole；212, extenal fixation head；
2121, extenal fixation hole；22, inner sleeve；221, inner sleeve regulation through hole；23, floating cavity volume；
24, spacer pin；25, second bolt is fixed；26, fixing lid；27, slide block cavity volume；
28, the 3rd bolt is fixed；29, slide block regulating part；30, clamping device；31, fixing
Seat；311, oblique through hole；312, communication passage；313, via hole；314, chute；
32, driving disc spacing pressing；33, key grip；331, pawl strip through hole；332, arcwall face；
34, sub-folder gripping member；35, pusher dog pin；351, intercalation fixing part；352, connecting portion；36、
Slide block；361, slide rail；362, slider row bar shape through hole；363, strip groove；37、
First fixes bolt；40, annular end cap；41, ending cover hole；50, positioning seat；51、
Annular base body；52, locating dowel；53, anti-skidding projection；60, stationary center；71, top
Point mounting seat；72, rear seal-cover；73, sealing ring；74, capping bolt.
Detailed description of the invention
The following is the specific embodiment of the present invention and combine accompanying drawing, the technical side to the present invention
Case is further described, but the present invention is not limited to these embodiments.
The present invention protects a kind of floating clamp after improving, and can be used for clamping the axle class of grinding machine
Workpiece to be processed, it is simple to grinding machine utilizes grinding tool surface of the work to be added to carry out grinding, when
So the chuck of the present invention can also be used for clamping similar axial workpiece.
The design of existing most of chuck structures is simple, and clamping effect is the best and workpiece is adding
Easily loosen during work, affect the operating efficiency of actual lathe.Therefore, design one compares
Floating clamp after relatively reasonably improving is necessary.
As shown in Fig. 1 to Figure 20, the floating clamp after this improvement includes shell 10, consolidates
Determine top 60 and for clamping the clamping device 30 of workpiece, wherein: clamping device 30
Including the fixing seat 31 in being arranged on shell 10 and in hollow structure and be movably arranged on
The driving disc spacing pressing 32 at shell 10 rear, is provided with in fixing seat 31 front around fixing seat 31
The key grip 33 of axial line setting and multiple sub-folder gripping member 34, each sub-folder gripping member 34
Being installed in respectively on fixing seat 31, the head end of key grip 33 is hingedly connected to fixing seat
On 31, the end of key grip 33 is connected with driving disc spacing pressing 32, and fixing seat 31 is by many
Individual floating regulating part 21 is flexibly connected with shell 10, and driving disc spacing pressing 32 can drive key grip
33 circuit oscillations so that key grip 33 head end rotates around pin joint, fixing seat 31 exists
Key grip 33 produces circumferentially displaced in predetermined circumference domain of walker under driving, fixing seat
31 each sub-folder gripping members 34 related are gathered or away from workpiece to workpiece so that key grip
33 with each sub-folder gripping member 34 cooperate realization clamping or unclamp workpiece, at fixing seat 31
In moving process, the float angle of the fixing seat 31 of each floating regulating part 21 regulation；Gu
Fixed top 60 are coaxially disposed with fixing seat 31, and stationary center 60 is through shell 10 portion
Divide and stretch in the middle part of fixing seat 31.
Above-mentioned floating regulating part 21 is arranged in shell 10, the Main Function class of shell 10
Being similar to fixed pedestal, play the effects such as location, support, fixing seat 31 is used for installing and determining
The each holder in position, coordinates closely between each parts above-mentioned, and integral structure layout is compact,
Easy for installation and install simple, rapid.Floating clamp after this improvement is at initial shape
Under state, before processing: each folder is stretched in workpiece to be processed (generally axial workpiece) one end
Rest position (i.e. fixing seat 31 hollow position) be resisted against stationary center in the middle part of gripping member
On 60, being provided with driving source (motor) outside chuck, operator can be by control
Platform processed controls driven by motor driving disc spacing pressing 32 and rotates, and driving disc spacing pressing 32 synchronizes to drive key grip
33 circuit oscillations and then make key grip 33 one end draw close to workpiece and coordinate other
Sub-folder gripping member 34 together clamps workpiece, and now grinding tool can start surface of the work to be processed
Carry out grinding.The present invention uses key grip 33 and sub-folder gripping member 34 to cooperate
And clamping or unclamp the mode of workpiece, the clamping force that clamping effect is good and workpiece is subject to is divided
Cloth is uniform, improves machining accuracy and production efficiency.
In the present invention, shell 10 may belong to a part for other local of grinding machine, it is possible to
Using a part for the chuck as the present invention, or alternative one and to fix it required each
Plant mechanism and parts all as a part for the floating clamp after the improvement of the present invention.
In prior art, the two ends of general workpiece top are held out against by one respectively, then use
Chuck clamping workpiece lateral surface, the grinding tool of grinding machine is started working, and needs under such requirement
Ensure two top axialities, workpiece to be ensured and two top threes
Axiality, due to chuck and top all in fixed position, if workpiece is in the horizontal direction
Eccentric insert if, arise that chuck cannot contraposition clamping, top non-top tight workpiece
Situation, just cannot ensure the requirement of above-mentioned axiality, the most then can increase the processing of grinding tool
Error so that the workpiece size after processing does not reaches requirement, adds defect rate.Such as:
In advance workpiece two ends offer with top match hold out against hole eccentric setting if will
Cause top correspondence be inserted in that axiality can not be guaranteed hold out against in hole, and then result in
The problem that workpiece bias is inserted.Herein, it should be added that: chuck is with top
Coordinate the situation making most of chuck of the prior art all there is " folder one pine ",
I other words, when, after chuck clamping workpiece, chuck circumference inwardly applies clamping force to workpiece,
This makes the top place pressure near chuck be easy for diminishing, and then occurs in that " chuck
Clamping workpiece, top unclamp workpiece " situation occur, reduce job stability, shadow
Ring follow-up finishing operating efficiency so that the normal work of grinding machine cannot be guaranteed,
Add defect rate.
For solving the problems referred to above, it is additionally provided with in the present case and matches with clamping device 30
Floating regulating part 21, the setting of floating regulating part 21 so that fixing seat 31 is held in main folder
Part 33 can produce circumferentially displaced, in actual mechanical process in the range of time-schedule float under driving
The adjustment amplitude in the directions such as floating regulating part 21 is mainly responsible for vertical adjustment, level is less.
After workpiece stretches into region to be held by axiality requirement (i.e. workpiece is not eccentric inserts), Gu
Its one side is withstood by fixed top 60, and workpiece another side is withstood by extraneous another is top,
Background control platform controls driving disc spacing pressing 32 and drives key grip 33 to swing, and then makes main folder
Gripping member 33 head end draws close in the middle part of fixing seat 31 and matching pair holder 34 together clamps work
Part, concretely, uses key grip 33 first to contact workpiece, according to key grip 33
The annexation of pin joint, then with the fulcrum of key grip 33 and absorption surface for propping up
Support, key grip 33 drive move on fixing seat 31 make each sub-folder gripping member 34 also with workpiece
Contact, the final work realizing clamping workpiece, on the contrary then unclamp workpiece；Chuck in this case
Each holder power that workpiece is applied be evenly distributed, and in the cooperation of floating regulating part 21
Under, fixing seat 31 can be driven and realize float regulation and process by key grip 33
Middle holder still clamps workpiece, it is not easy to occur that chucking power tension causes top holding out against
The situation that power goes down occurs, rationally distributed and smart structural design, grips effect is relatively
Good；After workpiece bias stretches into region to be held, its one end is held out against by stationary center 60, main
The key grip 33 that Moving plate 32 drives still first contacts workpiece, then proceedes to hold with main folder
Part 33 head end is support with the fulcrum of absorption surface, by key grip 33 pin joint
Annexation, key grip 33 drives shifting or sidesway on fixing seat 31 to make each sub-folder
Gripping member 34 also with absorption surface, the final work realizing clamping workpiece, due in this case
Fixing seat 31 has certain zone of action, can enter according to the side-play amount being horizontally inserted workpiece
Row is automatically adjusted, and the process regulated is i.e. key grip 33 drive fixing seat 31 circumference
The process of movable (mainly vertical movable), the workpiece being the most now horizontally inserted is still
Furnish for level, though now two top eccentric settings still can top tight workpiece, folder
Head clamping effect is good, ensure that the normal operation of grinding tool and grinding machine well, adds for grinding machine
Work improves reliability and operating efficiency, reduces defect rate.Clamping device 30 in this case
Setting with floating regulating part 21 when workpiece is entered slightly off problem also little, spirit
Activity is big and easy for installation, it is simple to dismantles and safeguards.
Preferably, stationary center 60 is located in the middle part of shell 10 by top mounting seat 71,
It is additionally provided with rear seal-cover 72 at shell 10 rear and stationary center 60 passes rear seal-cover 72,
Rear seal-cover 72 is tightly connected with fixing seat 31, driving disc spacing pressing 32 by sealing ring 73.Enter
One step, preferably have gap in the middle part of the top mounting seat 71 in this case and by a capping
Top mounting seat 71 both sides are tightened by bolt 74, fixing after unclamping top mounting seat 71
Top 60 are active, and now can be exited floating clamp；Tighten top peace
After dress seat 71, top be in locking state and be fixedly arranged on fixing seat 31 in for holding out against work
Part；The setting of rear seal-cover 72 and corresponding sealing ring 73 makes stationary center 60 with overall
Chuck parts coordinate closely, good airproof performance；Each parts compact in design above-mentioned, peace
Assembly and disassembly are the most more convenient, it is ensured that the stability of work.
Preferably, above-mentioned key grip 33 is thin slice claw, the number of sub-folder gripping member 34
Amount is two, and sub-folder gripping member 34 is the regulation bolt being fixed on fixing seat 31.Preferably
The head end of the sub-folder gripping member 34 in the present invention is provided with against boss, each sub-folder gripping member 34
Head end stretch into fixing seat 31 region to be held (i.e. middle part hollow position), Workpiece clamping
Time its lateral surface respectively with key grip 33 head end and sub-folder gripping member 34 head end against convex
Platform contacts, and the design of such structure makes workpiece reduce with chuck abrasion, it is ensured that processing
Workpiece quality and stability, each component structural is simple, improves space availability ratio,
Install, dismantle, change, safeguard the most more convenient.
Preferably in the present invention three holders (33, two sub-folders of i.e. one key grip are held
Part 34) it is that equilateral triangle is arranged and this equilateral triangle with the fulcrum line of absorption surface
Center of gravity be positioned on the axial line of fixing seat 31.The space that three holder head ends fence up
The position that i.e. workpiece stretches into, such holder topology layout is compact, the folder that workpiece is subject to
Clamp force is evenly distributed, and chuck clamping effect is more preferably.Holder and two sub-folder gripping members 34
Being preferably placed on same plane, such topology layout is more reasonable, compact, takies face
Long-pending little, it is ensured that clamping effect and the operating efficiency of grinding machine.
Preferably, the end of key grip 33 offers pawl strip through hole 331, actively
Dish 32 is connected with key grip 33 by pusher dog pin 35, and pusher dog pin 35 one end is through outward
Shell 10 is also inserted solid on driving disc spacing pressing 32, and the other end stretches in pawl strip through hole 331.
The installation and removal of such attachment structure are the most more convenient, drive and dial when driving disc spacing pressing 32 rotates
Pawl pin 35 rotates, and pusher dog pin 35 drives key grip 33 to move so that clamping device
30 clamping workpiece, said structure design is simple and easy to maintenance, and area occupied is little.Preferably
Pusher dog pin 35 in this case includes that intercalation fixing part 351 and connecting portion 352, intercalation fixing part 351 are inserted
Gu on driving disc spacing pressing 32 and length is less than the length of connecting portion 352, connecting portion 352 stretches into
In pawl strip through hole 331 and being connected with key grip 33, such pusher dog pin 35 passes
Sending the better of power, each parts are completely embedded so that driving disc spacing pressing 32 drives main folder
Gripping member 33 is more laborsaving so that key grip 33 is more uniformly stressed, and improves work
Stability.
Under original state, pusher dog pin 35 is positioned at pawl strip through hole 331 head end, at needs
During clamping workpiece, control driving disc spacing pressing 32 and drive pusher dog pin 35 together to rotate, now pusher dog
Pin 35 promotes key grip 33 to swing towards rotation direction, and key grip 33 head end starts
Around fixing seat 31 pin joint rotate and draw close to workpiece until and absorption surface, main folder is held
Part 33 end tilts；After key grip 33 head end with absorption surface, hold in conjunction with main folder
Part 33 and the annexation of fixing seat 31 and insert situation, now according to practical work piece
Pusher dog pin 35 drives the key grip 33 with the fulcrum of this holder head end with absorption surface to be
Support and promote or the fixing seat 31 of skew so that fixing seat 31 is together with two sub-folder gripping members 34
It is subjected to displacement so that two sub-folder gripping members 34 contact with workpiece, now three holders
It is in pre-clamped condition；Then under the drive of driving disc spacing pressing 32, pusher dog pin 35 start by
Pawl strip through hole 331 head end moves to its end, in moving process, and pusher dog pin 35
Drive key grip 33 and finally make key grip 33 and two sub-folder gripping members 34 together
By Workpiece clamping, after Workpiece clamping, even if pusher dog pin 35 continues to move to, key grip
33 also will not continue to apply clamping force, and now three holders are in clamped condition.Pawl is long
Arranging of strip through-hole 331 is reasonable, easy to process, it is ensured that what overall chuck worked can
By property.
Preferably, the lateral surface of key grip 33 head end is surrounded with multiple arcwall face
332.Be formed with projection between each arcwall face 332 so that key grip 33 head end with
More, frictional force is bigger, and is hardly damaged workpiece for absorption surface area.This case is adopted
Key grip 33 head end arrange and workpiece can be applied bigger clamping force, with above-mentioned pair
Holder 34 cooperates so that clamping effect more preferably and a little movable, 2 fixing
Method of clamping makes workpiece stability in process be ensured well；In main folder
During gripping member 33 head end is inwardly gathered, key grip 33 end outwards tilts, each arc
Shape face 332 and workpiece compact siro spinning technology, it is ensured that the reliability of clamping, improve chuck work
The stability made.
When above three holder is in pre-clamped condition, certain of key grip 33 head end
At one, arcwall face 332 has matched with other two sub-folder gripping members 34 and has merged clamping workpiece,
The structure design that multiple arcwall faces 332 are connected so that key grip 33 is joined with shaft-like workpiece
Closing closely, clamping effect is more preferably.
Preferably, in shell 10, it is provided with one inserts solid slide block above fixing seat 31
36, the head end of key grip 33 is hingedly connected on slide block 36.Slide block 36 facilitates master
It is also played position-limiting action by the installation of holder 33, it is ensured that adjusting deviation during clamping
Accuracy, slide block 36, fixing seat 31, key grip 33 three installation and removal also
The most more convenient, practicality is good.
Preferably, on fixing seat 31 symmetry offer be obliquely installed and with two sub-folder gripping members
34 two oblique through holes 311 one to one, each sub-folder gripping member 34 is all located in correspondence
Tiltedly in through hole 311, fixing seat 31 is further opened with and two oblique through hole 311 one_to_one corresponding
Two communication passage 312, each oblique through hole 311 is all by corresponding communication passage 312
With extraneous UNICOM, each sub-folder gripping member 34 is all fixed bolt 37 by first and is fixed on
In reservation 31, each first fixes bolt 37 all sequentially passes through corresponding fixing seat 31 and right
Answer communication passage 312 and correspondence sub-folder gripping member 34 be fixed in corresponding tiltedly through hole 311.
The shape of above-mentioned communication passage 312 can be chosen as according to actual conditions " L " shape,
" one " fonts etc., briefly, communication passage 312 is exactly corresponding tiltedly through hole 311 liang
The gap at fixing seat 31 position on limit so that first fixes bolt 37 can be well by right
The sub-folder gripping member 34 answered is fixed on fixing seat 31, fixed.Solid when unscrewing first
After determining bolt 37, corresponding sub-folder gripping member 34 is extracted out or advanced can be according to actual need
The position to sub-folder gripping member 34 is asked to be adjusted so that the chuck in this case can be suitably used for more
The workpiece of many diameters, easy to use, flexibility is big, and versatility is wide.
Further, shell 10 offers it is coaxially disposed with two sub-folder gripping members 34
And the through hole 11 of circle regulation one to one.Instrument can be adjusted by operator through circle
In saving through hole 11 and stretching into shell 10 being adjusted sub-folder gripping member 34, flexibility is big,
By using environment to limit to, convenient and practical and circular regulation through hole 11 is easy to process.
Preferably, in the middle part of fixing seat 31, symmetry offers two via holes 313, outside
It is covered with annular end cap 40 on shell 10, annular end cap 40 offers and two auxiliary
Hole 313 two ending cover holes 41 one to one, it is fixed to be inserted with in the middle part of annular end cap 40
Position seat 50, positioning seat 50 is by the annular base body 51 being connected as a single entity and two locating dowels 52
Constitute, annular base body 51 lateral surface is evenly distributed with multiple anti-skidding protruding 53, two
Individual locating dowel 52 be symmetrical arranged and with two via hole 313 one_to_one corresponding, each locating dowel
52 through corresponding end cap bore 41 and insert solid in corresponding via hole 313.Certainly, other
Use the mode first sub-folder gripping member 34 being adjusted fixing seat 31 fixing scheme
Also it is feasible, repeats no more herein.
In the present invention, supporting it is provided with annular end cap 40 and positioning seat 50, frock
Time, workpiece initially passes through annular base body 51 and annular end cap 40 stretches in shell 10 by pressing from both sides again
Head clamping, annular end cap 40 is preferably tightly connected with shell 10, it is to avoid during work pieces process
The impurity such as the dust in the external world, iron filings affect equipment running in entering shell 10, extend folder
The service life of head, it is simple to clean and safeguard.
Owing to the chuck of the present invention being provided with the fixing seat 31 with floating activity interval,
And sub-folder gripping member 34 is installed on fixing seat 31, needing above-mentioned sub-folder gripping member 34
When being adjusted, need first to be fixed by fixing seat 31 with positioning seat 50, then with instrument pair
Sub-folder gripping member 34 position is adjusted, easy to operate so that sub-folder gripping member 34 regulates standard
Really, it is ensured that grips effect.
In the present invention, annular end cap 40 and positioning seat 50 may belong to other offices of grinding machine
The part in portion, it is also possible to as a part for the floating clamp after the improvement of the present invention,
Or alternative one and fix its required various mechanisms and parts all as the present invention's
A part for floating clamp after improvement.
It is protruding that in this case anti-skidding protruding 53 both can be chosen as point-like, it is also possible to is chosen as
Strip projected parts, simple in construction and reasonable in design, anti-skidding protruding 53 arrange can increase location
Seat 50 and extraneous frictional force, can be anti-skidding and increase feel so that this positioning seat 50
In use, installation process, it is more prone to hand-held, it is not easy to landing.
In the present invention, each floating regulating part 21 is separately positioned on fixing seat 31 lateral surface
And between shell 10 medial surface, the preferably quantity of floating regulating part 21 is at least three.
Each floating regulating part 21 is respectively provided with the floating regulation angle of oneself in shell 10
Scope, each floating regulating part 21 is combined and is i.e. defined the predetermined floating of overall chuck
Dynamic regulation angular range, in above-mentioned adjustable range, key grip 33 can drive fixing seat
31 make circumference activity so that chuck can clamp workpiece and solve eccentricity issues etc. so that this
Chuck has floating regulatory function, and clamping effect is good, it is ensured that the stability of work.
Concrete, it is interior that floating regulating part 21 includes being installed on fixing seat 31 lateral surface
Gland 211, the extenal fixation head 212 being installed on shell 10 medial surface and for even
Connect interior gland 211 and the floating spring of extenal fixation head 212.
The floating regulating part 21 of the floating clamp after this improvement in an initial condition, in each
Gland 211 is circumferentially positioned on the lateral surface of fixing seat 31, each extenal fixation head 212
It is correspondingly arranged on shell 10 medial surface, the most flexible regulation sky that floats of each floating spring
Between, the setting of overall floating regulating part 21 so that fixing seat 31 is at key grip 33
Circumference floating regulation can be carried out under Dai Donging, the problems such as workpiece bias insertion can be solved well,
Make above three holder clamping effect more preferably.The preferably key grip 33 in this case
Being arranged on fixing seat 31 top position, two sub-folder gripping members 34 are arranged on fixing seat 31
Lower position, three's distributing position is that similar equilateral triangle is arranged, in corresponding this case
The main floating regulation direction of overall floating regulating part 21 is vertical direction, is aided with side
To the regulation waiting other circumferential direction.
Further, interior gland 211 offers interior fixing hole 2111, extenal fixation head
The extenal fixation hole 2121 being correspondingly arranged with interior fixing hole 2111, floating bullet is offered on 212
Spring be respectively arranged at two ends with in closed loop arrange and with interior fixing hole 2111, extenal fixation hole 2121
Corresponding internal buckle ring, outer buckle ring, internal buckle ring is through fixing hole 2111 in corresponding and with interior
Gland 211 is connected, outer buckle ring through corresponding extenal fixation hole 2121 and with extenal fixation head
212 are connected.Being designed by such structure, floating spring is difficult to take off in the course of the work
Fall, and interior gland 211 and extenal fixation head 212 fixed, preferably in each gland
On add nut and make it fixing more firm, improve chuck functional reliability.
Preferably, being installed with ring inner sleeve 22 in the middle part of shell 10, stationary center 60 depends on
Secondary stretch into fixing seat 31 through top mounting seat 71, rear seal-cover 72, inner sleeve 22 part
Middle part, fixing seat 31 is located at outside inner sleeve 22 and is flexibly connected with inner sleeve 22, fixing seat
Surround formation floating cavity volume 23 between madial wall and the lateral wall of inner sleeve 22 of 31, leading
Under the drive of holder 33, the floating adjustable range of fixing seat 31 is floating cavity volume 23.
The floating adjustable range phase of floating cavity volume 23 and each outside floating regulating part 21
Correspondence, and the setting of inner sleeve 22 makes fixing seat 31 displacement be unlikely to excessive, limits
The scope of activities of fixing seat 31, improves the control accuracy of floating regulating part 21, it is ensured that
Job stability.
Preferably, the lateral surface of inner sleeve 22 circumferentially offers the regulation of multiple inner sleeve logical
Hole 221, inserts intrinsic and inner sleeve regulation through hole more than 221 on fixing seat 31
Individual spacer pin 24, each spacer pin 24 one end is all installed on fixing seat 31, the other end
All stretch in corresponding inner sleeve regulates through hole 221 and can produce in this inner sleeve regulation through hole 221
Raw circumferentially displaced.The preferably quantity of the spacer pin 24 in this case and corresponding through hole is three
Individual, and three spacer pins 24 are evenly distributed in inner sleeve 22, such structure design energy
Meet real work demand well, also improve space availability ratio.
Floating cavity volume 23 is plus above-mentioned inner sleeve regulation through hole 221, the joining of spacer pin 24
Close so that the scope of activities of fixing seat 31 is restricted, play position-limiting action, and inner sleeve
22 also make fixing seat 31 drive two with the setting of corresponding through hole, corresponding spacer pin 24
Sub-folder gripping member 34 regulation is got up more accurate, improves the reliability of chuck work, reduces
Defect rate.
Preferably, the bilateral symmetry of slide block 36 is provided with two slide rails 361, at fixing seat
Offering on 31 and two slide rail 361 chute 314 one to one, each slide rail 361 is equal
In being movably arranged on corresponding chute 314 and can straight line sliding in corresponding chute 314, sliding
Slider row bar shape through hole 362 is offered, in slider row bar shape through hole 362 in the middle part of block 36
Being provided with second and fix bolt 25, second fixes bolt 25 through slider row bar shape through hole
362 and slide block 36 is fixed on fixing seat 31.
Key grip 33 is played the effects such as spacing, guiding by slide block 36, improves clamping
The accuracy of mechanism 30 clamping, it is ensured that the reliability of chuck work.By regulation second
The fixing bolt 25 position in corresponding slider row bar shape through hole 362, can regulate master
Holder 33 is relatively fixed the position in the middle part of seat 31 so that the clamping device 30 in this case
Can clamp the workpiece of more diameter, versatility is wide, easy to adjust.Such as: work as needs
When the diameter of work of clamping is bigger, unclamps second and fix bolt 25, now at slide block 36
In active state, pull up slide block 36 and it moved distance to a declared goal on chute 314,
Corresponding, key grip 33 owing to being hinged on slide block 36, therefore key grip 33
Also with upper shifting, expand middle part workpiece and stretch into region area so that three holder energy
Clamp bigger workpiece.
It is further preferred that the junction of each slide rail 361 and slide block 36 all offers length
Strip groove 363.The setting of strip groove 363, can not only avoid slide block 36 to slide
Time due to fixing seat 31 corner the sharpest and scratch slide block 36, also can prevent due to certain
The blocking that a little positions are protruding and formed, moreover it can be used to discharge the external world and enter at slide block 36
A little impurity, reasonable in design and easy to process, it is ensured that the reliability of slide block 36 work.
Preferably, above fixing seat 31, it is fixed with fixing lid 26 and the two fastens and is formed
Slide block cavity volume 27, slide block 36 is positioned at slide block cavity volume 27.Fix lid 26 to slide block 36
Carry out spacing so that it is more accurate that overall floating regulating part 21 regulates, it is ensured that chuck
The stability of work, it is ensured that the yield rate of workpiece.
Preferably, fixing lid 26 is fixed bolt 28 by the 3rd and is connected with slide block 36,
Also it is inserted with on fixing lid 26 and is connected with slide block 36 and energy adjusting slider 36 vertical direction position
The slide block regulating part 29 put.Fix bolt 25 and the 3rd fix bolt 28 when unscrewing second
After, slide block 36 can be carried out upper shifting or moves down by adjusting slider regulating part 29,
And then the position (i.e. the position of key grip 33 in regulation this case) of adjusting slider 36, make
Obtaining the chuck in this case and can be suitably used for the workpiece of more diameter, easy to use, flexibility is big,
Versatility is wide.Each parts above-mentioned installation and removal are the most more convenient, it is simple to safeguard.
Further, shell 10 offers it is correspondingly arranged with slide block regulating part 29
Long regulation through hole 12, preferably long regulation through hole 12 is arranged on shell 10 tip position, with
Above-mentioned two the circular regulation through hole 11 gesture in triangle, convenient regulation operates.Behaviour
Make workman in being regulated through hole 12 through length and stretch into shell 10 by instrument, slide block to be adjusted
Joint part 29 carries out operating and then adjusting slider 36 position, and flexibility is big, not by using ring
Border is limited to, and it is easy to process that convenient and practical and length regulates through hole 12.
Specific embodiment described herein is only to present invention spirit theory for example
Bright.Those skilled in the art can be to described specific embodiment
Make various amendment or supplement or use similar mode to substitute, but without departing from
The spirit of the present invention or surmount scope defined in appended claims.
Claims (10)
1. the floating clamp after an improvement, it is characterised in that: include shell, fixing top
Point and for clamping the clamping device of workpiece, wherein:
Described clamping device include arranging in the enclosure and fixing seat in hollow structure and
It is movably arranged on the driving disc spacing pressing at shell rear, is provided with in fixing seat front around fixing seat
The key grip of axial line setting and some sub-folder gripping members, each sub-folder gripping member is the most fixed
On fixing seat, the head end of described key grip is hingedly connected on fixing seat, and main folder is held
The end of part is connected with driving disc spacing pressing, and described fixing seat is by some floating regulating parts and shell
Being flexibly connected, described driving disc spacing pressing can drive key grip circuit oscillation so that key grip
Head end rotates around pin joint, and described fixing seat floats in predetermined circumference under key grip drives
Dynamic scope produces circumferentially displaced, and fixing seat each sub-folder gripping member related is gathered to workpiece or far
From workpiece；
Described stationary center is coaxially disposed with fixing seat, and described stationary center is through shell also
Part stretches in the middle part of fixing seat.
Floating clamp after a kind of improvement the most according to claim 1, its feature exists
In: described stationary center is located in the middle part of shell by top mounting seat, at shell rear
Being additionally provided with rear seal-cover and stationary center passes rear seal-cover, described rear seal-cover passes through sealing ring
It is tightly connected with fixing seat, driving disc spacing pressing.
Floating clamp after a kind of improvement the most according to claim 2, its feature exists
In: described key grip is thin slice claw, and the quantity of described sub-folder gripping member is two, institute
Stating sub-folder gripping member is the regulation bolt being fixed on fixing seat.
4. according to the floating clamp after a kind of improvement described in claim 1 or 2 or 3,
It is characterized in that: the end of described key grip offers pawl strip through hole, described master
Moving plate is connected with key grip by pusher dog pin, and described pusher dog pin one end is through shell and inserts
Gu on driving disc spacing pressing, the other end stretches in pawl strip through hole.
5. according to the floating clamp after a kind of improvement described in claim 1 or 2 or 3,
It is characterized in that: be provided with one in the enclosure and insert solid slide block above fixing seat, described
The head end of key grip is hingedly connected on slide block.
Floating clamp after a kind of improvement the most according to claim 3, its feature exists
In: offer on shell and be coaxially disposed with two sub-folder gripping members and circular one to one
Regulation through hole.
Floating clamp after a kind of improvement the most according to claim 1, its feature exists
In: each floating regulating part is separately positioned between fixing seat lateral surface and shell medial surface,
Described floating regulating part includes the interior gland being installed on fixing seat lateral surface, is installed in
Extenal fixation head on shell medial surface and for connecting the floating of interior gland and extenal fixation head
Move spring.
8. according to the floating folder after a kind of improvement described in claim 1 or 2 or 3 or 7
Head, it is characterised in that: being installed with ring inner sleeve in the middle part of shell, described stationary center depends on
Secondary through top mounting seat, rear seal-cover, inner sleeve and part stretch in the middle part of fixing seat, described
It is outer and is flexibly connected with inner sleeve that fixing seat cover is located at inner sleeve, the madial wall of described fixing seat and
Formation floating cavity volume is surrounded between the lateral wall of inner sleeve.
Floating clamp after a kind of improvement the most according to claim 8, its feature exists
In: on the lateral surface of inner sleeve, circumferentially offer some inner sleeves regulation through hole, fixing
Intrinsic and the inner sleeve regulation the most some spacer pins of through hole, each spacer pin is inserted on seat
One end is all installed on fixing seat, and the other end all stretches into the corresponding interior also energy of inner sleeve regulation through hole
Produce circumferentially displaced in this inner sleeve regulation through hole.
Floating clamp after a kind of improvement the most according to claim 5, its feature
It is: above fixing seat, be fixed with fixing lid and the two fastens and forms slide block cavity volume, institute
Stating slide block and be positioned at slide block cavity volume, it is solid with slide block that described fixing lid fixes bolt by the 3rd
Connect, be connected with slide block and energy adjusting slider vertical direction position fixing to cover also to be inserted with
Slide block regulating part, shell offers the long regulation being correspondingly arranged with slide block regulating part
Through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410659302.XA CN104493705B (en) | 2014-11-18 | 2014-11-18 | A kind of floating clamp after improvement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410659302.XA CN104493705B (en) | 2014-11-18 | 2014-11-18 | A kind of floating clamp after improvement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104493705A CN104493705A (en) | 2015-04-08 |
| CN104493705B true CN104493705B (en) | 2016-09-07 |
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ID=52935205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410659302.XA Expired - Fee Related CN104493705B (en) | 2014-11-18 | 2014-11-18 | A kind of floating clamp after improvement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104493705B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105058235B (en) * | 2015-08-17 | 2017-04-12 | 张家港巨盛数控设备科技有限公司 | Tracking and positioning device for workpiece clamping |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB777720A (en) * | 1954-05-21 | 1957-06-26 | Pratt & Co Ltd F | Work drivers for lathes and similar or suitable machine tools |
| CN1398699A (en) * | 2001-07-20 | 2003-02-26 | 罗森伯格沃克佐格公司 | Clamping means for rotating machined workpiece |
| CN202411460U (en) * | 2012-01-11 | 2012-09-05 | 许永辉 | Material chuck for automatic ferrule girdling machine |
| CN202985341U (en) * | 2012-12-30 | 2013-06-12 | 嘉禾工具有限公司 | Automatic double-floating chuck |
| CN204235380U (en) * | 2014-11-18 | 2015-04-01 | 宁波美德机器人有限公司 | Floating clamp after a kind of improvement |
-
2014
- 2014-11-18 CN CN201410659302.XA patent/CN104493705B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB777720A (en) * | 1954-05-21 | 1957-06-26 | Pratt & Co Ltd F | Work drivers for lathes and similar or suitable machine tools |
| CN1398699A (en) * | 2001-07-20 | 2003-02-26 | 罗森伯格沃克佐格公司 | Clamping means for rotating machined workpiece |
| CN202411460U (en) * | 2012-01-11 | 2012-09-05 | 许永辉 | Material chuck for automatic ferrule girdling machine |
| CN202985341U (en) * | 2012-12-30 | 2013-06-12 | 嘉禾工具有限公司 | Automatic double-floating chuck |
| CN204235380U (en) * | 2014-11-18 | 2015-04-01 | 宁波美德机器人有限公司 | Floating clamp after a kind of improvement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104493705A (en) | 2015-04-08 |
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Granted publication date: 20160907 Termination date: 20191118 |