CN205868517U - Separator and grinder are ground to stirring formula - Google Patents
Separator and grinder are ground to stirring formula Download PDFInfo
- Publication number
- CN205868517U CN205868517U CN201620412066.6U CN201620412066U CN205868517U CN 205868517 U CN205868517 U CN 205868517U CN 201620412066 U CN201620412066 U CN 201620412066U CN 205868517 U CN205868517 U CN 205868517U
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- separation
- hole
- separation hood
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- stirring
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- 238000003756 stirring Methods 0.000 title abstract description 3
- 238000000926 separation method Methods 0.000 claims abstract description 114
- 238000005204 segregation Methods 0.000 claims description 33
- 238000010079 rubber tapping Methods 0.000 claims description 19
- 239000007787 solid Substances 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 46
- 230000000694 effects Effects 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 6
- 238000007599 discharging Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000008187 granular material Substances 0.000 abstract 2
- 239000002245 particle Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model is suitable for a grinding technology field. The utility model discloses a separator is ground to the stirring formula, include separation cover and the separation impeller that sets up with this separation cover coaxial, be equipped with spiral separator in separation cover, this spiral separator's one end and separation impeller connection, the through -hole on the other end and the separation cover cooperate. Under motor drive, the separation pivot is high -speed rotatory, in separation impeller messenger material gets into the helicla flute from the passageway between the blade, forms the bottom of following the helicla flute and reduce in proper order to portion's end quality under the effect of the centrifugal force that spiral separator produced, moves to the discharging channel orientation through helicla flute propelling movement material simultaneously, works as the material to move down the separation passageway discharge gate of delivering to in the helicla flute effect, realizes the separation ejection of compact. Can select the material entering separation cover that can separate down owing to the high -speed rotation of separation impeller in, great granule can not appear and assemble simultaneously at the separation mouth with less granule material, increase material expulsion efficiency and speed, reach improvement the grinding efficiency technique effect.
Description
Technical field
This utility model relates to grinding technique field, grinds segregation apparatus and lapping device particularly to a kind of stirring-type.
Background technology
When existing grinding separator and lapping device work, by ground under the effect of separator high-speed rotation
Material separates with the material not ground and mill ball, owing to separator cannot be carried out layered shaping, i.e. when separating
Material is the most all gathered in around separator, causes the material ground effectively to separate from separator and discharges,
Affect separating effect.
Summary of the invention
This utility model, should mainly solving the technical problems that provide a kind of stirring-type to grind segregation apparatus and lapping device
Stirring-type grinding segregation apparatus can make the material in grinding separator be layered by granular size, it is to avoid around separator
Formation material is assembled, and improves separation efficiency.
In order to solve the problems referred to above, this utility model provides a kind of stirring-type to grind segregation apparatus, and this stirring-type grinds and divides
Include that separation hood and setting coaxial with this separation hood separate impeller from device, in separation hood, be provided with spiral separator, this spiral shell
One end of rotary separator connects with separating impeller, and the other end coordinates with the through hole on separation hood.
Saying further, described separation vane edge is evenly distributed with multiple blade, each blade be provided with passage.
Saying further, described spiral separator is tapered, and the small end face of this cone-type spiral separator is positioned at separation hood
Inner side, the outer surface at cone-type spiral separator is provided with helical form separating tank, the two ends of this separating tank respectively with separate impeller and enter
Material passage connects with through hole.
Say further, between described blade and spiral separator outer surface, be provided with the gap moved for medium.
Saying further, described separation hood is provided with the disengagement chamber mated with spiral separator, and described through hole is arranged on separation
Cover end face outside connection disengagement chamber, this through hole be provided around circular step.
Saying further, described spiral separator is provided with a fixing hole being connected with separating rotary shaft, this separating rotary shaft bag
Including tapping channel axle and the solid shafting being provided with blind hole, this solid shafting is positioned at fixing hole, and tapping channel axle is positioned at outside separation hood,
Wherein the blind hole of tapping channel axle connects blind hole and disengagement chamber at least provided with one or spiral fluted draws hole.
Say further, described in draw hole when being two, two are drawn between hole is 30 to 60 degree angles.
This utility model also provides for a kind of stirring-type and grinds segregation apparatus, this grinding segregation apparatus include separation hood and with this
The separation impeller of the coaxial setting of separation hood, is provided with taper disengagement chamber in this separation hood, the opening of this taper disengagement chamber with separate
Impeller coordinates, and is provided with through hole on the top of taper disengagement chamber, the helical form from outside to inside that this through hole is arranged with separation chamber side wall
Separating tank or the connection of helical form separation step.
Saying further, described separation vane edge is evenly distributed with multiple blade, each blade be provided with passage.
Say further, described through hole be arranged on separation hood end face outside connection disengagement chamber, this through hole be provided around ring
Shape step.
This utility model also provides for a kind of lapping device, and this lapping device includes: stirring-type grinds segregation apparatus, this stirring
Formula is ground segregation apparatus and is included that separation hood and setting coaxial with this separation hood separate impeller, is provided with spiral separation in separation hood
Device, one end of this spiral separator connects with separating impeller, and the other end coordinates with the through hole on separation hood；Or stirring-type grinds and divides
Include that separation hood and setting coaxial with this separation hood separate impeller from device, be provided with taper disengagement chamber in this separation hood, this cone
The opening of shape disengagement chamber coordinates with separating impeller, is provided with through hole on the top of taper disengagement chamber, this through hole and separation chamber side wall
The helical form separating tank from outside to inside arranged or the connection of helical form separation step.
Saying further, described spiral separator is tapered, and the small end face of this cone-type spiral separator is positioned at separation hood
Inner side, the outer surface at cone-type spiral separator is provided with helical form separating tank, the two ends of this separating tank respectively with separate impeller and enter
Material passage connects with through hole.
Saying further, described spiral separator is provided with a fixing hole being connected with separating rotary shaft, this separating rotary shaft bag
Including tapping channel axle and the solid shafting being provided with blind hole, this solid shafting is positioned at fixing hole, and tapping channel axle is positioned at outside separation hood,
Wherein the blind hole of tapping channel axle connects blind hole and disengagement chamber at least provided with one or spiral fluted draws hole.
This utility model carries grinding segregation apparatus, separates impeller including separation hood and setting coaxial with this separation hood,
Being provided with spiral separator in separation hood, one end of this spiral separator connects with separating impeller, the other end and leading on separation hood
Hole coordinates.During work, under motor drives, separating rotary shaft high speed rotating, formed negative under the effect separating impeller in separation hood
Pressure, material passage between blade enters in helicla flute, under the effect of the centrifugal force of spiral separator generation, makes material depend on
Quality size or diameter are distributed, and are formed and are sequentially reduced to portion's end quality bottom spiral fluted, i.e. quality is little or straight
The little material in footpath is positioned at spiral fluted end, and the material that quality is big or diameter is big is positioned at bottom spiral fluted, passes through spiral simultaneously
Groove pushes material and moves to tapping channel direction, when the split tunnel discharging opening that material is transferred under helicla flute effect, it is achieved
Separate discharging.Owing to producing negative pressure in separation hood under separating impeller high-speed rotation, the material entrance point that can separate can be filtered out
In cover, do not have larger particles and be gathered in separating opening with smaller particle material simultaneously, increase material expulsion efficiency and speed,
Reach to improve grinding efficiency technique effect.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, and the accompanying drawing in describing is this practicality
Some novel embodiments, to those skilled in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is to grind segregation apparatus embodiment assembling structural representation.
Fig. 2 is to separate impeller to assemble structural representation with spiral separator embodiment.
Fig. 3 is to grind segregation apparatus along central shaft sectional structure schematic diagram.
Fig. 4 is to separate impeller to assemble structural representation with spiral separator the second embodiment.
Fig. 5 is that the second embodiment grinds segregation apparatus along central shaft sectional structure schematic diagram.
Fig. 6 is to separate impeller to assemble structural representation with spiral separator the 3rd embodiment.
Fig. 7 is that the 3rd embodiment grinds segregation apparatus along central shaft sectional structure schematic diagram.
Below in conjunction with embodiment, and referring to the drawings, realization, functional characteristics and the advantage of this utility model purpose is made into one
Step explanation.
Detailed description of the invention
In order to make the purpose of utility model, technical scheme and advantage clearer, implement below in conjunction with this utility model
Accompanying drawing in example, is clearly and completely described the technical scheme in this utility model embodiment, it is clear that described reality
Executing example is a part of embodiment of utility model rather than whole embodiments.Based on the embodiment in this utility model, this area
The every other embodiment that those of ordinary skill is obtained on the premise of not making creative work, broadly falls into this practicality new
The scope of type protection.
As shown in Figure 1 to Figure 3, this utility model provides stirring-type to grind segregation apparatus first embodiment.
This stirring-type grinds segregation apparatus and includes: separation hood 1 and separate impeller 2 with this coaxial setting of separation hood 1, point
Being provided with spiral separator 3 in cover 1, one end of this spiral separator 3 connects with separating impeller 2, on the other end and separation hood 1
Through hole 10 coordinates.
Specifically, described separation impeller 2 is cylindrical, and separation hood 1 is cylindrical, and this separation impeller 2 edge uniformly divides
Be furnished with multiple blade 22, each blade 22 be provided with passage 21, when separate impeller 2 high-speed rotation time, separation hood 1 in formed bear
Pressure, material can only be entered in separation hood 1 by the passage 21 between blade 22.Described blade 22 quantity can be not construed as limiting, can
To be set to 3-12 as required.It is provided with between described blade 22 and spiral separator 3 bottom outer surface between supplying medium to move
Gap 23, can make material can arrive smoothly in the helicla flute 32 on spiral separator 3 by this gap 23.
Described helicla flute 32 is by the bottom spiral of spiral separator 2 outer surface to end, and the angle of its spiral is at least
It it is 360 degree.Described separation hood 1 is provided with the cavity of storage spiral separator 2, when spiral separator 2 coordinates, institute with separation hood 1
Stating helicla flute 32 and form an airtight passage, during separation, material is along the airtight passage formed between helicla flute 32 and separation hood cavity
Mobile, it is to avoid material is directly entered in adjacent helicla flute 32, cause same position material size difference relatively big, impact separates effect
Really.The end face that described separation hood 1 coordinates with separating rotary shaft 4 is provided with the through hole 10 connected with cavity, this through hole 10 and helicla flute 32
Port connection, be provided around circular step 11 at this through hole 10.Described through hole 10 is easy to material can leave disengagement chamber (accompanying drawing
Do not indicate) enter tapping channel and discharge, described circular step 11 structure is easy to coordinate with separating rotary shaft 4, increase separating rotary shaft 4 with
Sealing property between separation hood 1.
Described spiral separator 3 is provided with a fixing hole 30 being connected with separating rotary shaft 4, and this separating rotary shaft 4 includes being provided with
The quill shaft 40 of blind hole 41 and solid shafting 41, wherein solid shafting 41 is positioned at fixing hole 30, and described quill shaft 40 is positioned at separation hood 1
Outside, can realize being fixed together separation impeller 2, spiral separator 3 and separation hood 1 by separating rotary shaft 4.Institute's blind hole 43
As a point tapping channel part, what this blind hole 43 end face was provided with two connection blind holes 43 and disengagement chamber draws hole 42.Described draw hole
42 is preferably corresponding with the position of helicla flute 32, it is simple to material more preferably enters tapping channel.Two are drawn between hole 42 is 30 to 60
Degree angle.
Described helicla flute 32 helically propradation, when separating, on the one hand by material by quality or diameter
Separating from outside to inside, this helicla flute is inclined-plane simultaneously, is easier to push material to tapping channel, improves and separate discharging during separation
Efficiency.
During work, under motor drives, separating rotary shaft 4 high speed rotating, shape in separation hood 1 under the effect separating impeller 2
Becoming negative pressure, material passage 21 between blade 22 enters in helicla flute 32, in the effect of the centrifugal force that spiral separator 3 produces
Under, make material be distributed according to quality size or diameter, formed and be sequentially reduced, i.e. to portion's end quality bottom spiral fluted
The material that quality is little or diameter is little is positioned at spiral fluted end, and the material that quality is big or diameter is big is positioned at bottom spiral fluted, with
Time by helicla flute push material move to tapping channel direction, the split tunnel being transferred under helicla flute effect when material goes out
Material mouth, it is achieved separate discharging.Owing to producing negative pressure under impeller 2 high-speed rotation in separation hood separating, can filter out and can separate
Material enters in separation hood, does not haves larger particles and is gathered in separating opening with smaller particle material simultaneously, increases material and discharges
Efficiency and speed, reach to improve grinding efficiency technique effect.
Can be provided with escape hole in described separation hood 1 appropriate location as required, this escape hole is positioned at described helicla flute 32
It is positioned at, the big quality in helicla flute 32 can be will go into by escape hole or major diameter material is released, improve separating effect.
Described helicla flute 32 structure is not particularly limited, and its cross section can be square, trapezoidal, semicircle, C font.In order to
Ensure that during feed separation, resistance is less, best preferably by spin slot 32 semicircle, C font structure.
As shown in Fig. 4 to Fig. 5, this utility model also provides for stirring-type on the basis of above-mentioned first embodiment and grinds separation
Second embodiment of device.
Described spiral separator 3 is inverted cone along its central shaft section, i.e. spiral separator 3 connects one with separating impeller 2
End is the top of taper, the bottom that one end is taper coordinated with separating rotary shaft 4, coordinates with the spiral separator 3 of this shape state
Separation hood internal cavity structures mate with spiral separator 3, two ends can be formed connect blade respectively by separating tank 32 after engagement
Passage 21 between 22 and the sealing pipeline configuration drawing hole 42.Other structures and operation principle are same as the previously described embodiments, no longer
Repeat.
As shown in Figure 6 to 7, this utility model also provides for stirring-type on the basis of above-mentioned first embodiment and grinds separation
The 3rd embodiment of device.
Described spiral separator 3 is cylinder along its central shaft section, i.e. spiral separator 3 connects one with separating impeller 2
End is the top of taper, the bottom that one end is taper coordinated with separating rotary shaft 4, coordinates with the spiral separator 3 of this shape state
Separation hood internal cavity structures mate with spiral separator 3, two ends can be formed connect blade respectively by separating tank 32 after engagement
Passage 21 between 22 and the sealing pipeline configuration drawing hole 42.Other structures and operation principle are same as the previously described embodiments, no longer
Repeat.
This utility model also provides for a kind of lapping device embodiment on the basis of above-described embodiment.
This lapping device include stirring-type grind segregation apparatus, this stirring-type grind segregation apparatus include: separate impeller and
Separation hood, is provided with taper disengagement chamber in this separation hood, this taper disengagement chamber opening coordinates with separating impeller, at taper disengagement chamber
Top be provided with through hole, this through hole is provided with helical form separating tank from outside to inside with the sidewall of disengagement chamber or helical form separates step
Connection.
Specifically, described separation hood disengagement chamber is coniform, and the end that this disengagement chamber area is less is positioned at separation hood
Side.Described separation impeller 2 edge is evenly distributed with multiple blade 22, each blade 22 be provided with passage 21, when separating, impeller 2 is high
When speed rotates, forming negative pressure in separation hood, material can only be entered in separation hood 1 by the passage 21 between blade 22.Described
Blade 22 quantity can be not construed as limiting, and can be set to 3-12 as required.Described blade 22 and spiral separator 3 outer surface it
Between be provided with the gap moved for medium, material can be made to arrive the helicla flute 32 on spiral separator 3 smoothly by this gap
In.
Described separation impeller 2 is cylindrical, and separation hood is cylindrical, and helicla flute 32 is by the bottom spiral of spiral separator 2
Rising to end measure, its spiral is at least 360 degree.End face that described separation hood 1 coordinates with separating rotary shaft 4 is provided with and connects with cavity
Through hole 10, this through hole 10 be provided around circular step 11.Described through hole 10 is easy to material and can be left disengagement chamber (accompanying drawing is not marked
Show) enter tapping channel discharge, described circular step 11 structure is easy to coordinate with separating rotary shaft 4, increases separating rotary shaft 4 and separates
Sealing property between cover 1.
Described spiral separator 3 uses above-mentioned executes exemplary construction, and its operation principle and process repeat no more.
Described stirring-type grinds segregation apparatus can also use following structure, i.e. this stirring-type grinds segregation apparatus and includes point
Separate impeller from cover and setting coaxial with this separation hood, in separation hood, be provided with spiral separator, the one of this spiral separator
Holding and separate impeller connection, the other end coordinates with the through hole on separation hood, other structures and operation principle and above-described embodiment phase
With, no longer repeat.
Above example only in order to the technical solution of the utility model to be described, is not intended to limit；Although with reference to aforementioned reality
Execute example this utility model has been described in detail, it will be understood by those within the art that: it still can be to front
State the technical scheme described in each embodiment to modify, or wherein portion of techniques feature is carried out equivalent, and these
Amendment or replacement, do not make the essence of appropriate technical solution depart from spirit and the model of this utility model each embodiment technical scheme
Enclose.
Claims (13)
1. stirring-type grinds segregation apparatus, it is characterised in that include that separation hood and setting coaxial with this separation hood separate impeller,
Being provided with spiral separator in separation hood, one end of this spiral separator connects with separating impeller, on the other end and separation hood
Through hole coordinates.
Stirring-type the most according to claim 1 grinds segregation apparatus, it is characterised in that: described separation vane edge uniformly divides
Be furnished with multiple blade, each blade be provided with passage.
Stirring-type the most according to claim 1 and 2 grinds segregation apparatus, it is characterised in that: described spiral separator is cone
Shape, the small end face of this cone-type spiral separator is positioned at inside separation hood, and the outer surface at cone-type spiral separator is provided with spiral
Shape separating tank, the two ends of this separating tank respectively with separate impeller feeding-passage and through hole connection.
Stirring-type the most according to claim 2 grinds segregation apparatus, it is characterised in that: outside described blade is with spiral separator
The gap moved for medium it is provided with between surface.
Stirring-type the most according to claim 1 grinds segregation apparatus, it is characterised in that: described spiral separator is provided with one
The fixing hole being connected with separating rotary shaft, this separating rotary shaft includes tapping channel axle and the solid shafting being provided with blind hole, this solid shafting position
In fixing hole, tapping channel axle is positioned at outside separation hood, and wherein the blind hole of tapping channel axle is at least provided with a connection blind hole
Hole is drawn with disengagement chamber or spiral fluted.
Stirring-type the most according to claim 5 grinds segregation apparatus, it is characterised in that: described separation hood is provided with and divides with spiral
From the disengagement chamber of device coupling, described through hole is arranged on separation hood end face outside connection disengagement chamber, and being provided around of this through hole is ring-type
Step.
Stirring-type the most according to claim 5 grinds segregation apparatus, it is characterised in that draw hole described in: when being two, two
Drawing between hole is 30 to 60 degree angles.
8. stirring-type grinds segregation apparatus, it is characterised in that include that separation hood and setting coaxial with this separation hood separate impeller,
Being provided with taper disengagement chamber in this separation hood, the opening of this taper disengagement chamber coordinates with separating impeller, on the top of taper disengagement chamber
End is provided with through hole, and helical form separating tank from outside to inside or helical form that this through hole is arranged with separation chamber side wall separate step even
Logical.
Stirring-type the most according to claim 8 grinds segregation apparatus, it is characterised in that: described separation vane edge uniformly divides
Be furnished with multiple blade, each blade be provided with passage.
Stirring-type the most according to claim 8 grinds segregation apparatus, it is characterised in that: described through hole is arranged on separation hood
End face outside connection disengagement chamber, this through hole be provided around circular step.
11. 1 kinds of lapping devices, grind segregation apparatus including stirring-type, it is characterised in that this stirring-type grinds segregation apparatus bag
Include separation hood and setting coaxial with this separation hood separates impeller, in separation hood, be provided with spiral separator, this spiral separator
One end with separate impeller connect, the other end coordinates with the through hole on separation hood；Or stirring-type grinds segregation apparatus and includes separating
Cover and setting coaxial with this separation hood separate impeller, are provided with taper disengagement chamber, the opening of this taper disengagement chamber in this separation hood
Holding and separate impeller cooperation, being provided with through hole on the top of taper disengagement chamber, this through hole is arranged from outside to inside with separation chamber side wall
Helical form separating tank or helical form separation step connection.
12. lapping devices according to claim 11, it is characterised in that: described spiral separator is tapered, this taper spiral shell
The small end face of rotary separator is positioned at inside separation hood, and the outer surface at cone-type spiral separator is provided with helical form separating tank, should
The two ends of separating tank respectively with separate impeller feeding-passage and through hole connection.
13. lapping devices according to claim 11, it is characterised in that: described spiral separator is provided with one and turns with separating
The fixing hole that axle connects, this separating rotary shaft includes tapping channel axle and the solid shafting being provided with blind hole, and this solid shafting is positioned at fixing hole
In, tapping channel axle is positioned at outside separation hood, and wherein the blind hole of tapping channel axle is at least provided with a connection blind hole and disengagement chamber
Or spiral fluted draws hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620412066.6U CN205868517U (en) | 2016-05-09 | 2016-05-09 | Separator and grinder are ground to stirring formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620412066.6U CN205868517U (en) | 2016-05-09 | 2016-05-09 | Separator and grinder are ground to stirring formula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205868517U true CN205868517U (en) | 2017-01-11 |
Family
ID=57687999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620412066.6U Active CN205868517U (en) | 2016-05-09 | 2016-05-09 | Separator and grinder are ground to stirring formula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205868517U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105880001A (en) * | 2016-05-09 | 2016-08-24 | 占天义 | Stirring type grinding separator and grinding device |
| WO2017193267A1 (en) * | 2016-05-09 | 2017-11-16 | 占天义 | Stirring-type grinding separator and grinding device |
| WO2021184737A1 (en) * | 2019-07-26 | 2021-09-23 | 湖北迈兆机械有限公司 | Centrifugal separation device for ball milling, and ball milling system |
-
2016
- 2016-05-09 CN CN201620412066.6U patent/CN205868517U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105880001A (en) * | 2016-05-09 | 2016-08-24 | 占天义 | Stirring type grinding separator and grinding device |
| WO2017193267A1 (en) * | 2016-05-09 | 2017-11-16 | 占天义 | Stirring-type grinding separator and grinding device |
| WO2021184737A1 (en) * | 2019-07-26 | 2021-09-23 | 湖北迈兆机械有限公司 | Centrifugal separation device for ball milling, and ball milling system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180313 Address after: 518000 Guangdong Shenzhen City, Shenzhen City, Baoan District Yan Luo Street Hongqiao community surrounding water industrial area Patentee after: Boyi (Shenzhen) Industrial Technology Co., Ltd. Address before: 518000 Shenzhen City, Baoan District Province, Songgang street, hung tau tau community under the water surrounding industrial zone, building 7, the second floor of the city of Guangdong Patentee before: Zhan Tianyi |
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| TR01 | Transfer of patent right |