CN109514450A - A kind of form of gear tooth workpiece strengthens the centerless fixture and its design method of processing - Google Patents
A kind of form of gear tooth workpiece strengthens the centerless fixture and its design method of processing Download PDFInfo
- Publication number
- CN109514450A CN109514450A CN201811380798.1A CN201811380798A CN109514450A CN 109514450 A CN109514450 A CN 109514450A CN 201811380798 A CN201811380798 A CN 201811380798A CN 109514450 A CN109514450 A CN 109514450A
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- China
- Prior art keywords
- gear tooth
- tooth workpiece
- workpiece
- strengthens
- centerless fixture
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Processing (AREA)
Abstract
The present invention relates to the centerless fixture that a kind of form of gear tooth workpiece strengthens processing, the two pieces of V-blocks for inhaling clamp device automatically including electromagnetism, strengthening nozzle, being symmetricly set on form of gear tooth workpiece two sides；Electromagnetism inhales clamp device equipped with planar support seat automatically, and form of gear tooth workpiece is placed on planar support seat, strengthens the injection direction of nozzle towards the circumference side of form of gear tooth workpiece；V-block includes frame body, is rotatably mounted on frame body and threaded adjusting rod, the nut being threadedly coupled with adjusting rod, and two pieces of sliding blocks and two rocking bars on adjusting rod both sides are symmetricly set on；Sliding block is fixed on frame body, and rocking bar is connected with shifting slider-type, and rocking bar is connected with nut rotary type, and rocking bar is in contact with the tooth tip of form of gear tooth workpiece.The invention further relates to the design method centerless fixture that a kind of form of gear tooth workpiece strengthens the centerless fixture of processing, the present invention can carry out material spray to form of gear tooth workpiece under the rotation for eliminating form of gear tooth workpiece, belong to the technical field of the centerless fixture of form of gear tooth workpiece.
Description
Technical field
Strengthen the present invention relates to the technical field of the centerless fixture of form of gear tooth workpiece more particularly to a kind of form of gear tooth workpiece and adds
The centerless fixture and its design method of work.
Background technique
Currently, the fixture for strengthening form of gear tooth workpiece includes electric magnetic no-core clamp, mainly there is electromagnetism to inhale clamp device, plane branch
Seat, a rest pad etc. is held successively to be assembled.Direct current is converted alternating current to using the logical upper rectifier that passes through of magnetic holding device
Being formed has certain electromagnet for inhaling grip force, and it is tight to carry out workpiece axial direction locating clip, then lateral-supporting is cooperated to carry out radial positioning.But
It is that, for the point of form of gear tooth work pieces process, for various sizes of workpiece, it is different that V-block supports optimum angle, so fixing
The V-block bearing of angle is easy to appear processing stuck phenomenon, so that processing is not smooth, the existing rest pad the case where
Under, rest pad can be only installed at immediately below workpiece, the accumulation of processing abrasive easy to form.
Summary of the invention
For the technical problems in the prior art, strengthen the object of the present invention is to provide a kind of form of gear tooth workpiece and add
The centerless fixture of work can carry out material spray to form of gear tooth workpiece under the rotation for eliminating form of gear tooth workpiece.
It is another object of the present invention to: a kind of design method of the centerless fixture of form of gear tooth workpiece reinforcing processing is provided, it can
To carry out material spray to form of gear tooth workpiece under the rotation for eliminating form of gear tooth workpiece.
In order to achieve the above object, the present invention adopts the following technical scheme:
A kind of form of gear tooth workpiece strengthens the centerless fixture of processing, including electromagnetism inhales clamp device automatically, strengthens nozzle, symmetrically sets
Set two pieces of V-blocks in form of gear tooth workpiece two sides；Electromagnetism inhales clamp device equipped with planar support seat automatically, and form of gear tooth workpiece is placed
On planar support seat, strengthen the injection direction of nozzle towards the circumference side of form of gear tooth workpiece；V-block includes frame body, rotation
Formula is mounted on frame body and threaded adjusting rod, and the nut being threadedly coupled with adjusting rod is symmetricly set on adjusting rod both sides
Two pieces of sliding blocks and two rocking bars；Sliding block is fixed on frame body, and rocking bar is connected with shifting slider-type, and rocking bar and nut rotary type connect
It connects, rocking bar is in contact with the tooth tip of form of gear tooth workpiece.
Further, centerless fixture further includes rotary unloading machine structure；Rotary unloading machine structure includes the set of rotary type installation
Cylinder, the more blades being evenly distributed on circumference side；Blade and sleeve are relatively fixed, and blade and form of gear tooth workpiece connect
Touching line is located at the rear portion of form of gear tooth workpiece circumference side.
Further, rotary unloading machine structure further includes the fixing piece being fixedly mounted, multiple bullets being fixed on fixing piece
Spring；Spring and fixing piece are respectively positioned on the inside of sleeve, and multiple springs are circumferentially uniform, and one end of spring is fixed on fixation
On part, the other end of spring is equipped with sphere, and the quantity of spring and the quantity of blade are consistent, and blade is equipped with pit, on blade
Pit is communicated with the inside of sleeve, and sphere and pit are adapted.
Further, rotary unloading machine structure further includes the more casings being fixed on fixing piece, more casings are along circle
Circumferential direction is uniformly distributed, and the quantity of casing and the quantity of spring are consistent, and spring passes through casing and is fixed on fixing piece.
Further, fixing piece is in cylindrical body.
Further, rocking bar and sliding block constitute prismatic pair, two rocking bars and nut in the same V-block constitute compound
The screw pair that revolute pair, nut and adjusting rod are constituted has self-locking.
Further, the subtended angle of two rocking bars in two V-blocks is in the same size.
A kind of form of gear tooth workpiece strengthens the design method for the centerless fixture processed, and it is automatic that form of gear tooth workpiece is placed on electromagnetism
On the flat bearing seat for inhaling clamp device, two pieces of V-blocks are placed on the two sides of form of gear tooth workpiece, the folder of the center line of two pieces of V-blocks
Angle θ is designed asThe angle α of two rocking bars in the same V-block is determined as follows:
The range of safety factor K in formula is the difference that 1.1~1.2, A is L Yu form of gear tooth workpiece radius R, and L is and two pieces
The nearest rocking bar of the symmetrical centre linear distance of V-block is at a distance from form of gear tooth workpiece contact point to form of gear tooth workpiece plummet center, R
For the radius of form of gear tooth workpiece.
Further, θ isStrengthen nozzle injection direction and form of gear tooth workpiece center line atAnd it is directed toward wheel
The center of circle of tooth part.
Generally speaking, the present invention has the advantage that
Angle theta of the present invention by the center line of the suitable two pieces of V-blocks of size selection of form of gear tooth workpiece, the same V
The angle α of two rocking bars in type block makes the loading and unloading of form of gear tooth workpiece smooth to greatest extent, so that strengthening the injection of nozzle
Material is easily fallen and cycling and reutilization, is not easy to be deposited on form of gear tooth workpiece, and two V-blocks can avoid form of gear tooth workpiece stuck phenomenon,
Realize cyclic periodicity processing, it is more uniform to the material spray of form of gear tooth workpiece.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the overlook direction of this centerless fixture.
Fig. 2 is the structural schematic diagram of the left view direction of this centerless fixture, wherein dotted line indicates form of gear tooth workpiece and blade rotation
Go to the schematic diagram of a certain angle.
Fig. 3 is the structural schematic diagram of V-block.
Fig. 4 is the structural schematic diagram of rotary unloading machine structure.
Fig. 5 is the enlarged drawing at sleeve.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
It is now attached to what is occurred in Figure of description for the ease of uniformly checking each appended drawing reference inside Figure of description
Icon note is unitedly described as follows:
1 is planar support seat, and 2 be form of gear tooth workpiece, and 3 be V-block, and 4 be rotary unloading machine structure, and 5 is strengthen nozzle, and 6 are
Nut, 7 be rocking bar, and 8 be sliding block, and 9 be frame body, and 10 be adjusting rod, and 11 be blade, and 12 be sleeve, and 13 be spring, and 14 be casing,
15 be fixing piece, and 16 be pit.
For sake of convenience, now hereafter described orientation is described as follows: hereafter described direction and Fig. 1 itself up and down
Direction up and down it is consistent, hereafter described front-rear direction is consistent with the left and right directions of Fig. 2.
As shown in Figure 1, Figure 2, a kind of form of gear tooth workpiece strengthens the centerless fixture of processing, including electromagnetism is inhaled automatically and is clamped
Two pieces of V-blocks setting, strengthen nozzle, being symmetricly set on form of gear tooth workpiece two sides.In two pieces of symmetrical V-blocks, wherein one
The left side of form of gear tooth workpiece is arranged in block V-block, and the right of form of gear tooth workpiece is arranged in another piece of V-block.Electromagnetism inhales folder automatically
Device is equipped with planar support seat, and form of gear tooth workpiece is placed on planar support seat, strengthens the injection direction of nozzle towards the gear teeth
The circumference side of shape workpiece, i.e. reinforcing nozzle are sprayed towards the circumference side of form of gear tooth workpiece.Referring to figs 1 and 3, V-block
Including frame body, it is rotatably mounted on frame body and threaded adjusting rod, the nut being threadedly coupled with adjusting rod is symmetricly set on
Two pieces of sliding blocks and two rocking bars on adjusting rod both sides.Adjusting rod can be rotated relative to frame body, and have screw thread on adjusting rod.Sliding block
It is fixed on frame body, two pieces of sliding blocks are symmetrically distributed in the both sides of adjusting rod, and two rocking bars are symmetrically distributed in the both sides of adjusting rod, shake
Bar is connected with shifting slider-type, and rocking bar and sliding block can relatively move, and one piece of sliding block and a rocking bar constitute prismatic pair.Rocking bar and
The connection of nut rotary type, rocking bar can be rotated with opposing nut, and rocking bar is in contact with the tooth tip of form of gear tooth workpiece, i.e., rocking bar heads on
Form of gear tooth workpiece.Electromagnetism is inhaled automatically to be not drawn into clamp device figure.
In conjunction with shown in Fig. 2, Fig. 4, Fig. 5, centerless fixture further includes rotary unloading machine structure；Rotary unloading machine structure includes rotary type
The sleeve of installation, the more blades being evenly distributed on circumference side.Sleeve can be rotatably mounted on other components,
Blade and sleeve are relatively fixed, blade can be with sleeve it is integrally formed, the distance of adjacent two panels blade should be suitable, can be with
Support form of gear tooth workpiece.There are four blades, the contact line of blade and form of gear tooth workpiece is located at form of gear tooth workpiece circumference side
Rear portion, i.e., with the rotation of blade, a certain blade can touch form of gear tooth workpiece, which is located at form of gear tooth workpiece circumference
The rear portion in face continues to rotate with blade in this way, and for form of gear tooth workpiece due to the effect of gravity, form of gear tooth workpiece can be towards blade
Direction of rotation topple over, so that adjacent two panels blade can hold form of gear tooth workpiece.Contact line be more than thickness of workpiece 1/2 at,
Guarantee discharging toppling direction is this side of sleeve.
In conjunction with shown in Fig. 4, Fig. 5, rotary unloading machine structure further includes the fixing piece being fixedly mounted, multiple to be fixed on fixing piece
Spring.Spring and fixing piece are respectively positioned on the inside of sleeve, sleeve be it is hollow, there are four springs, and multiple springs are circumferentially
Direction is uniform, and one end of spring is fixed on fixing piece, and the other end of spring is equipped with sphere, the quantity of spring and the quantity of blade
Unanimously, a pit is equipped with per a piece of blade, the pit on blade is communicated with the inside of sleeve, and sphere and pit are adapted,
Pit can be used to accommodate sphere.Fixing piece is in cylindrical body, and fixing piece can be fixed on other components, and fixing piece is to fix not
Dynamic, after blade is rotated by 90 °, spring heads into sphere in the pit of blade, to realize the self-locking effect of blade, then slightly
It is micro- can rotate to next 90 ° again with bigger power with rotating vane, blade after, sphere is headed into the recessed of blade again by spring
In hole, to realize the self-locking effect of blade again.When blade is in 90 ° of position, blade is will not to touch form of gear tooth workpiece
, only for blade during some 90 ° position rotates to next 90 ° of position, blade can touch form of gear tooth work
Part, and form of gear tooth workpiece is held.Not by blade when the self-locking effect of rotary unloading machine structure can guarantee form of gear tooth work pieces process
Influence, blade designs for cambered surface, guarantees that discharging hour wheel tooth part is contacted with blade for line, blade contact came has rubber
Glue guarantees non-slip not scratch workpiece when discharging.
Rotary unloading machine structure further includes the more casings being fixed on fixing piece, and more casings circumferentially uniformly divide
Cloth, the quantity of casing and the quantity of spring are consistent, and spring passes through casing and is fixed on fixing piece, and the quantity of casing has four,
A piece casing is used to entangle a spring, so that the flexible deformation of spring is limited in casing.
Rocking bar and sliding block constitute prismatic pair, and two rocking bars and nut in the same V-block constitute composite rotation pair, nut
There is self-locking with the screw pair that adjusting rod is constituted, screw pair has self-locking, guarantees that adjusting rod can be in extreme position model
Random length in enclosing is fixed.
The subtended angle of two rocking bars in two V-blocks is in the same size.
The working principle of this centerless fixture: electromagnetism is inhaled to clamp automatically is set to the prior art, and electromagnetism inhales clamp device automatically to be had
One pole center, form of gear tooth workpiece have a workpiece centre, since theoretically, workpiece centre and pole center are impossible
It coincides together, and electromagnetism is inhaled clamp device automatically and can be eccentrically rotated using driving wheel tooth part using pole center as the center of circle,
That is form of gear tooth workpiece tool is there are two rotation, and one is that form of gear tooth workpiece revolves by the center of circle of pole center, and one is the gear teeth
Shape workpiece carries out rotation by the center of circle of the workpiece centre of itself.After form of gear tooth workpiece is placed on planar support seat, electromagnetism is automatic
Axially position can be carried out to form of gear tooth workpiece by inhaling clamp device, then form of gear tooth workpiece cannot move in the axial direction, and then two
Block V-block pinch wheels tooth part, two pieces of V-blocks can carry out radial positioning to form of gear tooth workpiece, and such form of gear tooth workpiece exists
It can not move in the radial direction, i.e. the revolution that two pieces of V-blocks eliminate form of gear tooth workpiece, so that form of gear tooth workpiece only has
Rotation.The size of the subtended angle α combination workpiece of two rocking bars carries out calculating adjustment, the angle theta of the center line of two pieces of V-blocks in V-block
It is determined and is installed according to geometrical relationship.Strengthening nozzle has determining angle, facilitates calculating processing spray angle.
A kind of form of gear tooth workpiece strengthens the design method for the centerless fixture processed, it is characterised in that: puts form of gear tooth workpiece
It sets on the planar support seat that electromagnetism inhales clamp device automatically, two pieces of V-blocks are placed on the two sides of form of gear tooth workpiece, two pieces of V-blocks
The angle theta of center line be designed asThe angle α of two rocking bars in the same V-block is determined as follows:
The range of safety factor K in formula is the difference that 1.1~1.2, A is L Yu form of gear tooth workpiece radius R, and L is and two pieces
The nearest rocking bar of the symmetrical centre linear distance of V-block is at a distance from form of gear tooth workpiece contact point to form of gear tooth workpiece plummet center, R
For the radius of form of gear tooth workpiece.
θ isThe center line of the injection direction and form of gear tooth workpiece of strengthening nozzle is at 45 ° and is directed toward form of gear tooth workpiece
The center of circle.
Two pieces of V-blocks are manufactured using engineering plastics, design principle: selecting a left side of two V-blocks as form of gear tooth workpiece
Right bearing makes the angle of the center line of two pieces of V-blocks:Determine theory best design: two pieces of V-blocks
The angle theta of center line is most preferablyThe angle α of two rocking bars in the same V-block is most preferablyDetermine engineering most
Good scheme: the angle α of two rocking bars in the same V-block is most preferablyAngleThe range of safety factor K in formula is that 1.1~1.2, A is L and form of gear tooth work
The difference of part radius R.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (9)
1. the centerless fixture that a kind of form of gear tooth workpiece strengthens processing, it is characterised in that: inhale clamp device automatically including electromagnetism, strengthen spray
Mouth, two pieces of V-blocks for being symmetricly set on form of gear tooth workpiece two sides；Electromagnetism inhales clamp device equipped with planar support seat, the gear teeth automatically
Shape workpiece is placed on planar support seat, strengthens the injection direction of nozzle towards the circumference side of form of gear tooth workpiece；V-block includes
Frame body, is rotatably mounted on frame body and threaded adjusting rod, the nut being threadedly coupled with adjusting rod are symmetricly set on adjusting
Two pieces of sliding blocks and two rocking bars on bar both sides；Sliding block is fixed on frame body, and rocking bar is connected with shifting slider-type, and rocking bar and nut turn
Dynamic formula connection, rocking bar are in contact with the tooth tip of form of gear tooth workpiece.
2. the centerless fixture that a kind of form of gear tooth workpiece described in accordance with the claim 1 strengthens processing, it is characterised in that: centerless fixture
It further include rotary unloading machine structure；Rotary unloading machine structure includes the sleeve of rotary type installation, is evenly distributed on circumference side
More blades；Blade and sleeve are relatively fixed, and the contact line of blade and form of gear tooth workpiece is located at form of gear tooth workpiece circumference side
Rear portion.
3. a kind of form of gear tooth workpiece strengthens the centerless fixture of processing according to claim 2, it is characterised in that: rotation discharging
Mechanism further includes the fixing piece being fixedly mounted, multiple springs being fixed on fixing piece；Spring and fixing piece are respectively positioned on sleeve
Inside, multiple springs are circumferentially uniform, and one end of spring is fixed on fixing piece, and the other end of spring is equipped with sphere,
The quantity of spring and the quantity of blade are consistent, and blade is equipped with pit, and the pit on blade is communicated with the inside of sleeve, sphere with
Pit is adapted.
4. the centerless fixture that a kind of form of gear tooth workpiece described in accordance with the claim 3 strengthens processing, it is characterised in that: rotation discharging
Mechanism further includes the more casings being fixed on fixing piece, and more casings are circumferentially uniformly distributed, the quantity of casing with
The quantity of spring is consistent, and spring passes through casing and is fixed on fixing piece.
5. a kind of form of gear tooth workpiece strengthens the centerless fixture of processing according to claim 4, it is characterised in that: fixing piece is in
Cylindrical body.
6. the centerless fixture that a kind of form of gear tooth workpiece described in accordance with the claim 1 strengthens processing, it is characterised in that: rocking bar and cunning
Block constitutes prismatic pair, and two rocking bars and nut in the same V-block constitute composite rotation pair, the spiral shell that nut and adjusting rod are constituted
Rotation is secondary to have self-locking.
7. the centerless fixture that a kind of form of gear tooth workpiece described in accordance with the claim 1 strengthens processing, it is characterised in that: two V-types
The subtended angle of two rocking bars in block is in the same size.
8. the design method that a kind of form of gear tooth workpiece described in claim 1 strengthens the centerless fixture of processing, it is characterised in that: will
Form of gear tooth workpiece is placed on electromagnetism and is inhaled on the planar support seat of clamp device automatically, and two pieces of V-blocks are placed on the two of form of gear tooth workpiece
The angle theta of side, the center line of two pieces of V-blocks is designed asThe angle α of two rocking bars in the same V-block is as follows
It is determined:
The range of safety factor K in formula is the difference that 1.1~1.2, A is L Yu form of gear tooth workpiece radius R, and L is and two pieces of V-types
At a distance from form of gear tooth workpiece contact point to form of gear tooth workpiece plummet center, R is the nearest rocking bar of the symmetrical centre linear distance of block
The radius of form of gear tooth workpiece.
9. a kind of form of gear tooth workpiece strengthens the design method of the centerless fixture of processing according to claim 8, feature exists
In: θ isStrengthen nozzle injection direction and form of gear tooth workpiece center line atAnd it is directed toward the center of circle of form of gear tooth workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811380798.1A CN109514450B (en) | 2018-11-20 | 2018-11-20 | Centerless clamp for strengthening machining of wheel tooth-shaped workpiece and design method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811380798.1A CN109514450B (en) | 2018-11-20 | 2018-11-20 | Centerless clamp for strengthening machining of wheel tooth-shaped workpiece and design method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109514450A true CN109514450A (en) | 2019-03-26 |
| CN109514450B CN109514450B (en) | 2021-04-02 |
Family
ID=65776684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811380798.1A Active CN109514450B (en) | 2018-11-20 | 2018-11-20 | Centerless clamp for strengthening machining of wheel tooth-shaped workpiece and design method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109514450B (en) |
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| CN204248656U (en) * | 2014-11-05 | 2015-04-08 | 云南圆正轴承有限公司 | A kind of bearing ring electric magnetic no-core clamp supporting |
| CN204545788U (en) * | 2015-03-03 | 2015-08-12 | 天津友鹏永悦工贸有限公司 | A kind of limit clamp for bicycle rear upper branch welding |
| CN206074214U (en) * | 2016-08-31 | 2017-04-05 | 重庆新天包装材料有限公司 | Square barrel fall-down test device |
-
2018
- 2018-11-20 CN CN201811380798.1A patent/CN109514450B/en active Active
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|---|---|---|---|---|
| JP2000218454A (en) * | 1999-02-04 | 2000-08-08 | Fuji Oozx Inc | Jig for cylindrical workpiece |
| CN2541376Y (en) * | 2002-02-05 | 2003-03-26 | 侯伟峰 | Vessel set with metering outputting device |
| CN202357036U (en) * | 2011-11-19 | 2012-08-01 | 襄樊一福坦铁路轴承有限公司 | Floating support combined device of electromagnetic centerless fixture of internal grinding machine |
| CN204248656U (en) * | 2014-11-05 | 2015-04-08 | 云南圆正轴承有限公司 | A kind of bearing ring electric magnetic no-core clamp supporting |
| CN204545788U (en) * | 2015-03-03 | 2015-08-12 | 天津友鹏永悦工贸有限公司 | A kind of limit clamp for bicycle rear upper branch welding |
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| 李文雄: "轴承强化研磨加工工艺参数优化的研究", 《中国优秀硕士学位论文全文数据库工程科技Ⅰ辑》 * |
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| CN109514450B (en) | 2021-04-02 |
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