CN109483392B - Honing fixture for thin-wall blind hole sleeve parts - Google Patents
Honing fixture for thin-wall blind hole sleeve parts Download PDFInfo
- Publication number
- CN109483392B CN109483392B CN201811562657.1A CN201811562657A CN109483392B CN 109483392 B CN109483392 B CN 109483392B CN 201811562657 A CN201811562657 A CN 201811562657A CN 109483392 B CN109483392 B CN 109483392B
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- sleeve
- lock sleeve
- floating
- supporting seat
- groove
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- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 238000001125 extrusion Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 230000004308 accommodation Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000008094 contradictory effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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
- B24B33/10—Accessories
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to a honing fixture for thin-wall blind hole sleeve parts, which comprises a ramming part, a hollow part and a floating mechanism, wherein the fixture comprises a supporting seat and a lock sleeve for installing and clamping the parts, the supporting seat is in a rotary shape, the lock sleeve is positioned at the inner periphery of the rotary supporting seat, the fixture further comprises the floating mechanism which is connected between the rotary supporting seat and the lock sleeve and is used for floating the lock sleeve so as to enable the machined parts to float, and when a cutter enters the parts and the axial lead of the cutter is not in the same straight line with the axial lead of the parts, the parts can float left and right in the horizontal direction through the floating mechanism. The honing fixture for the thin-wall blind hole sleeve parts has the advantages of compact and reasonable structural design, good part floating effect, very convenient part installation and disassembly and greatly improved working efficiency.
Description
Technical Field
The invention relates to a honing fixture for thin-wall blind hole sleeve parts.
Background
Thin wall blind hole cover class part because of the outer wall is thinner, and the rigidity is poor, hardly adopts traditional anchor clamps to press from both sides it tightly, and easy clamping warp when processing causes processing out of tolerance, also very fragile part or cutter. At present, the honing fixture in the prior art has the advantages of complex structure, high manufacturing cost, complex operation, time and labor consumption for clamping workpieces, low clamping speed and low working efficiency when clamping the workpieces, and is influenced by multiple factors such as materials, pressure and the like, the problem of clamping deformation of the ultrathin parts exists at all,
the utility model discloses a anchor clamps of thin wall blind hole part in the patent document of publication number CN 207578154U, including the support frame, locate the anchor clamps body on the support frame, anchor clamps body coupling is on the support frame, the anchor clamps body is including holding the accommodation space of thin wall blind hole part, locate the circumference of accommodation space and lie in the corresponding first clamping part of contradicting of the ramming portion of thin wall blind hole part in bottom of accommodation space, locate the circumference of accommodation space and lie in the corresponding second clamping part of contradicting of hollow portion of thin wall blind hole part above the first clamping part, first clamping part and ramming portion rigid conflict, the flexible conflict of second clamping part and hollow portion, it has avoided the injury that causes work piece or cutter because of the centre gripping, but when the work piece adds the clamp on the anchor clamps, if there is positional deviation with the work piece in the position of honing cutter feed, this anchor clamps can not provide fine swing clearance, cause the feed failure, cause cutter or work piece to damage when serious, and work piece installation and dismantlement are inconvenient.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and providing a honing fixture for thin-wall blind hole sleeve parts.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a thin wall blind hole cover class part honing anchor clamps, the part has ramming portion and hollow portion, anchor clamps include the supporting seat, be used for installing and centre gripping part's lock sleeve, the supporting seat is the form of circling round, the lock sleeve is located the supporting seat inner periphery of the form of circling round, anchor clamps still including connecting the floating mechanism that is used for the lock sleeve to float and then makes the part that is processed between the supporting seat of the form of circling round, when the cutter gets into in the part and cutter axial lead and part axial lead are not in same straight line, the part can control through floating mechanism in the horizontal direction.
Preferably, the floating mechanism comprises a positioning sleeve positioned at the periphery of the lock sleeve and used for positioning and stabilizing the lock sleeve, and a floating ring positioned between the positioning sleeve and the supporting seat, wherein a first annular gap is formed between the periphery of the floating ring and the inner periphery of the supporting seat, and a second annular gap is formed between the periphery of the floating ring and the periphery of the positioning sleeve. When honing, the part is stressed in the horizontal direction, so that the lock sleeve is stressed, the lock sleeve drives the positioning sleeve to be stressed, and the positioning sleeve floats left and right within the range of the first annular gap and the second annular gap after being stressed.
Preferably, the floating mechanism further comprises first pin shafts connected to two sides between the floating ring and the supporting seat, and second pin shafts positioned on two sides between the floating ring and the positioned sleeve. When honing, after the locating sleeve is stressed, the locating sleeve can float left and right in the extending direction of the second pin shaft (the floating range is the range of the second gap), and the floating ring can float left and right in the extending direction of the first pin shaft (the floating range is the range of the second gap).
Preferably, the axial lead extending direction of the first pin shaft is perpendicular to the axial lead extending direction of the second pin shaft.
Preferably, the sleeve is removably attached to the float mechanism.
Preferably, the lock sleeve and the positioning sleeve are detachably connected through a connecting structure. The lock sleeve is detachable, so that the parts can be quickly disassembled and assembled, and the lock sleeves with different inner diameters can be exchanged according to different part specifications, thereby being suitable for processing parts with various different specifications.
Preferably, the connecting structure comprises a ring groove and a straight groove which are formed on the inner peripheral surface of the positioning sleeve, and a convex shaft which is formed on the outer peripheral surface of the lock sleeve and is matched with the ring groove and the straight groove, wherein the ring groove is positioned in the axial middle of the positioning sleeve, and the straight groove extends downwards from the upper end surface of the positioning sleeve to the ring groove along a straight line and is communicated with the ring groove. This coupling mechanism for the lock sleeve is very easy dismouting, only needs to aim at protruding axle and straight flute during the installation, inserts the lock sleeve in the locating sleeve downwards, when protruding axle reached the annular, rotatory lock sleeve can make protruding axle and annular joint, thereby the lock sleeve is installed in the locating sleeve, during the dismantlement, reverse operation can, and installation and dismantlement process are simple, need not borrow other assembly and disassembly tools, bare-handed dismantled and assembled.
Preferably, the lower part of the inner circumference of the lock sleeve is provided with an extrusion surface which is used for being matched with the ramming part of the part and clamping the ramming part, the lock sleeve is also provided with a locking mechanism which is used for locking the ramming part and the extrusion surface relatively, and the locking mechanism comprises a semi-arc through groove which is arranged above the ramming part along the circumference of the lock sleeve, a vertical through groove which downwards extends from the semi-arc through groove, and a threaded screw mechanism which is used for locking and attaching the groove wall of the vertical through groove relatively. The screw rod is rotated to enable the groove walls on two sides of the vertical through groove to be close to each other, and the extrusion surface of the lock sleeve is tightly attached to the ramming part at the moment, so that the part is clamped in the lock sleeve in a fixed mode and waiting for processing.
Preferably, the clamp further comprises a guide sleeve arranged at the upper end part of the lock sleeve, and a conical guide surface is formed on the inner periphery of the guide sleeve. The guide sleeve is detachably arranged at the upper end part of the lock sleeve in a bolt locking mode, the guide sleeve is convenient to guide the honing tool, so that the honing tool can enter an inner hole of a part more smoothly, hard collision between the honing tool and the upper end of the part is avoided, in addition, the guide sleeve is sleeved at the upper end of the lock sleeve, the upper end of the part in the lock sleeve can be limited, and upward movement of the part is avoided.
Preferably, the clamp further comprises a limiting plate for limiting the parts from the lower part of the lock sleeve, and the limiting plate is rotationally connected to the lower end part of the lock sleeve. The rotatable setting of limiting plate, when taking out the part, rotate the limiting plate, make it not stop at the part lower extreme can.
Due to the implementation of the technical scheme, compared with the prior art, the invention has the following advantages:
according to the honing clamp for the thin-wall blind hole sleeve parts, the honing cutter is arranged through the floating mechanism, so that when the positions of the cutter and the axis of the part are different, the part can effectively float, and the problems of damage to the part and the cutter caused by misalignment of the positions of the cutter and the part are avoided; the honing fixture for the thin-wall blind hole sleeve parts has the advantages of compact and reasonable structural design, good part floating effect, very convenient part installation and disassembly and greatly improved working efficiency.
Drawings
Fig. 1 is a schematic perspective view of a honing jig of the invention:
fig. 2 is a schematic perspective view of a floating mechanism according to the present invention:
FIG. 3 is a schematic perspective view of a positioning sleeve according to the present invention;
FIG. 4 is a schematic view of the structure of the lock sleeve, the guide sleeve and the parts in the matched state;
wherein: 1. A support base; 2. a lock sleeve; 20. a protruding shaft; 21. a semi-arc-shaped through hole; 22. a vertical through slot; 3. a positioning sleeve; 31. a straight groove; 32. a ring groove; 4. a floating ring; 5. a guide sleeve; 6. a limiting plate; 100. a part; x1, a first annular gap; x2, a second annular gap; z1, a first pin shaft; and z2, a second pin shaft.
Detailed Description
The invention will now be described in further detail with reference to the drawings and to specific examples.
As shown in fig. 1, a honing fixture for a thin-wall blind hole sleeve type part 100, wherein the part 100 is provided with a tamping part and a hollow part, the fixture comprises a supporting seat 1 and a lock sleeve 2 for installing and clamping the part 100, the supporting seat 1 is in a rotary shape, the lock sleeve 2 is positioned on the inner periphery of the rotary supporting seat 1, the fixture further comprises a floating mechanism which is connected between the rotary supporting seat 1 and the lock sleeve 2 and is used for floating the lock sleeve 2 so as to enable the part 100 to be processed to float, and when a cutter enters the part 100 and the axial lead of the cutter is not in the same straight line with the axial lead of the part 100, the part 100 can float left and right in the horizontal direction through the floating mechanism.
Specifically, the floating mechanism comprises a locating sleeve 3, a floating ring 4, a first annular gap x1 and a second annular gap x2, wherein the locating sleeve 3 is arranged on the periphery of the lock sleeve 2 and used for locating and stabilizing the lock sleeve 2, the floating ring 4 is arranged between the locating sleeve 3 and the supporting seat 1, the first annular gap x1 is arranged between the periphery of the floating ring 4 and the inner periphery of the supporting seat 1, and the second annular gap x2 is arranged between the inner periphery of the floating ring 4 and the outer periphery of the locating sleeve 3. When honing, the part 100 is stressed in the horizontal direction, so that the lock sleeve 2 is stressed, the lock sleeve 2 drives the positioning sleeve 3 to be stressed, and the positioning sleeve 3 floats left and right within the range of the first annular gap x1 and the second annular gap x2 after being stressed. The floating mechanism further comprises first pin shafts z1 connected to two sides between the floating ring 4 and the supporting seat 1, and second pin shafts z2 positioned on two sides between the floating ring 4 and the positioned sleeve 3 (the axial lead extending direction of the first pin shafts z1 is perpendicular to the axial lead extending direction of the second pin shafts z 2); when honing, after the positioning sleeve 3 is stressed, the positioning sleeve 3 can float left and right in the extending direction of the second pin shaft z2 (the floating range is the range of the second gap), and the floating ring 4 can float left and right in the extending direction of the first pin shaft z1 (the floating range is the range of the second gap).
In this case, the lock sleeve 2 is detachably connected to the floating mechanism. Specifically, the lock sleeve 2 is detachably connected with the positioning sleeve 3 through a connecting structure. The lock sleeve 2 is detachable, so that the parts 100 can be quickly disassembled and assembled, and the lock sleeve 2 with different inner diameters can be exchanged according to different specifications of the parts 100, thereby being suitable for processing various parts 100 with different specifications. The connecting structure comprises a ring groove 32 and a straight groove 31 which are formed on the inner peripheral surface of the positioning sleeve 3, and a convex shaft 20 which is formed on the outer peripheral surface of the lock sleeve 2 and is matched with the ring groove 32 and the straight groove 31, wherein the ring groove 32 is positioned in the axial middle of the positioning sleeve 3, and the straight groove 31 extends downwards from the upper end surface of the positioning sleeve 3 to the position of the ring groove 32 along a straight line and is communicated with the ring groove 32. This coupling mechanism for lock sleeve 2 very easy dismouting only need aim at protruding axle 20 and straight flute 31 during the installation, in inserting lock sleeve 2 in the position sleeve 3 downwards, when protruding axle 20 reachs annular 32, rotatory lock sleeve 2 can make protruding axle 20 and annular 32 joint to lock sleeve 2 installs in the position sleeve 3, during the dismantlement, reverse operation can, and installation and dismantlement process are simple, do not need to borrow other assembly and disassembly tools, bare-handed dismantled and assembled.
Further, an extrusion surface for matching with the ramming part of the part 100 and clamping the ramming part is formed at the lower part of the inner circumference of the lock sleeve 2, and a locking mechanism for locking the ramming part and the extrusion surface relatively is further arranged on the lock sleeve 2, wherein the locking mechanism comprises a semi-arc through groove 21 formed above the ramming part along the circumference of the lock sleeve 2, a vertical through groove 22 extending downwards from the semi-arc through groove 21, and a threaded screw mechanism for locking and attaching the groove wall of the vertical through groove 22 relatively. The screw is rotated to bring the groove walls on both sides of the vertical through groove 22 close to each other, and the pressing surface of the lock sleeve 2 is tightly attached to the rammed portion at this time, so that the part 100 is fixedly clamped in the lock sleeve 2 to wait for processing.
The fixture further comprises a guide sleeve 5 arranged at the upper end part of the lock sleeve 2 and a limiting plate 6 for limiting the part 100 from the lower part of the lock sleeve 2, wherein a conical guide surface is formed at the inner periphery of the guide sleeve 5, the guide sleeve 5 is detachably arranged at the upper end part of the lock sleeve 2 in a bolt locking mode, the guide sleeve 5 is arranged to guide a honing tool conveniently, so that the honing tool can enter an inner hole of the part 100 more smoothly, the honing tool is prevented from being hard against the upper end of the part 100, in addition, the guide sleeve 5 is arranged at the upper end of the lock sleeve 2, the upper end of the part 100 in the lock sleeve 2 can be limited, and the part 100 is prevented from moving upwards; the limiting plate 6 is rotatably arranged, and when the part 100 is taken out, the limiting plate 6 is rotated so as not to be blocked at the lower end part of the part 100.
In summary, the honing fixture for the thin-wall blind hole sleeve type part, provided by the invention, has the advantages that the honing cutter is arranged through the floating mechanism, so that when the cutter and the axis of the part are in position difference, the part can effectively float, and the problems of damage to the part and the cutter caused by misalignment of the positions of the cutter and the part are avoided; the honing fixture for the thin-wall blind hole sleeve parts has the advantages of compact and reasonable structural design, good part floating effect, high clamping speed, safe and reliable clamping, very convenient part installation and disassembly and greatly improved working efficiency.
The present invention has been described in detail with the purpose of enabling those skilled in the art to understand the contents of the present invention and to implement the same, but not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (5)
1. The utility model provides a thin wall blind hole cover class part honing anchor clamps, the part has ramming portion and hollow portion, anchor clamps include the supporting seat, be used for installing and centre gripping the lock sleeve of part, its characterized in that: the fixture comprises a supporting seat, a lock sleeve, a clamp and a floating mechanism, wherein the supporting seat is in a rotary shape, the lock sleeve is positioned on the inner periphery of the rotary supporting seat, the clamp further comprises the floating mechanism which is connected between the rotary supporting seat and the lock sleeve and is used for floating the lock sleeve so as to enable a processed part to float, and when a cutter enters the part and the axial lead of the cutter is not in the same straight line with the axial lead of the part, the part can float left and right in the horizontal direction through the floating mechanism;
the floating mechanism comprises a positioning sleeve positioned at the periphery of the lock sleeve and used for positioning and stabilizing the lock sleeve, and a floating ring positioned between the positioning sleeve and the supporting seat, wherein a first annular gap is formed between the periphery of the floating ring and the inner periphery of the supporting seat, and a second annular gap is formed between the inner periphery of the floating ring and the periphery of the positioning sleeve;
the lock sleeve is detachably connected with the positioning sleeve through a connecting structure;
the connecting structure comprises a ring groove and a straight groove which are formed on the inner peripheral surface of the positioning sleeve, and a convex shaft which is formed on the outer peripheral surface of the lock sleeve and is matched with the ring groove and the straight groove, wherein the ring groove is positioned in the axial middle of the positioning sleeve, and the straight groove extends downwards from the upper end surface of the positioning sleeve to the ring groove along a straight line and is communicated with the ring groove;
the floating mechanism further comprises first pin shafts connected to two sides between the floating ring and the supporting seat, and second pin shafts located on two sides between the floating ring and the locating sleeve.
2. The honing fixture for thin-wall blind hole sleeve parts according to claim 1, characterized in that: the axial lead extending direction of the first pin shaft is perpendicular to the axial lead extending direction of the second pin shaft.
3. The honing fixture for thin-wall blind hole sleeve parts according to claim 1, characterized in that: the lower part of the inner periphery of the lock sleeve is provided with an extrusion surface which is used for being matched with and clamping the ramming part of the part, the lock sleeve is also provided with a locking mechanism which is used for locking the ramming part and the extrusion surface relatively, and the locking mechanism comprises a semi-arc-shaped through groove which is formed above the ramming part along the circumferential direction of the lock sleeve, a vertical through groove which downwards extends from the semi-arc-shaped through groove, and a threaded screw mechanism which is used for locking and attaching the groove wall of the vertical through groove relatively.
4. The honing fixture for thin-wall blind hole sleeve parts according to claim 1, characterized in that: the clamp further comprises a guide sleeve arranged at the upper end part of the lock sleeve, and a conical guide surface is formed on the inner periphery of the guide sleeve.
5. The honing fixture for thin-wall blind hole sleeve parts according to claim 1, characterized in that: the fixture further comprises a limiting plate for limiting the parts from the lower part of the lock sleeve, and the limiting plate is rotationally connected to the lower end part of the lock sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811562657.1A CN109483392B (en) | 2018-12-20 | 2018-12-20 | Honing fixture for thin-wall blind hole sleeve parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811562657.1A CN109483392B (en) | 2018-12-20 | 2018-12-20 | Honing fixture for thin-wall blind hole sleeve parts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109483392A CN109483392A (en) | 2019-03-19 |
| CN109483392B true CN109483392B (en) | 2024-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811562657.1A Active CN109483392B (en) | 2018-12-20 | 2018-12-20 | Honing fixture for thin-wall blind hole sleeve parts |
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| CN (1) | CN109483392B (en) |
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| CN112318359A (en) * | 2020-10-18 | 2021-02-05 | 南京晨光集团有限责任公司 | Quick-change clamp for realizing free floating honing processing of high-precision hole series parts |
| CN112737237B (en) * | 2020-12-25 | 2021-11-16 | 广东松庆智能科技股份有限公司 | Motor rotor core mold insert anchor clamps |
| CN113618553B (en) * | 2021-08-31 | 2022-08-05 | 河北力准机械制造有限公司 | Double-cross-knot flat floating mechanism and processing machine tool |
| CN114178976B (en) * | 2021-11-15 | 2024-07-09 | 苏州信能精密机械有限公司 | Automatic clamp for vertical honing |
| CN115229539B (en) * | 2022-08-11 | 2024-08-23 | 内蒙古北方重型汽车股份有限公司 | Floating positioning device, floating positioning tool and floating positioning method thereof |
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| CN208196277U (en) * | 2018-05-28 | 2018-12-07 | 南京康尼精密机械有限公司 | A kind of floating hinge top gem of a girdle-pendant tool-apron structure |
| CN209288987U (en) * | 2018-12-20 | 2019-08-23 | 苏州信能精密机械有限公司 | A kind of thin-walled blind hole cover parts honing fixture |
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| DE3136414A1 (en) * | 1981-09-14 | 1983-03-24 | Maschinenfabrik Gehring Gmbh & Co Kg, 7302 Ostfildern | Device for retaining workpieces, in particular gear wheels, in order to hone the central axial bore |
| JPH0740229A (en) * | 1993-07-23 | 1995-02-10 | Nisshin Seisakusho:Kk | Honing jug and automatic honing system |
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| Publication number | Publication date |
|---|---|
| CN109483392A (en) | 2019-03-19 |
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