CN110507225A - A kind of crushing device and its application based on magnetic suspension driving - Google Patents
A kind of crushing device and its application based on magnetic suspension driving Download PDFInfo
- Publication number
- CN110507225A CN110507225A CN201910868843.6A CN201910868843A CN110507225A CN 110507225 A CN110507225 A CN 110507225A CN 201910868843 A CN201910868843 A CN 201910868843A CN 110507225 A CN110507225 A CN 110507225A
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- Prior art keywords
- magnet
- bracket
- crushing device
- magnetic suspension
- device based
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- 239000000725 suspension Substances 0.000 title claims abstract description 27
- 238000010411 cooking Methods 0.000 claims abstract description 5
- 239000000696 magnetic material Substances 0.000 claims description 9
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 9
- 150000002910 rare earth metals Chemical class 0.000 claims description 9
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 8
- 238000007667 floating Methods 0.000 claims description 6
- 235000013336 milk Nutrition 0.000 claims description 4
- 239000008267 milk Substances 0.000 claims description 4
- 210000004080 milk Anatomy 0.000 claims description 4
- 235000010469 Glycine max Nutrition 0.000 claims description 3
- 244000068988 Glycine max Species 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 6
- 230000003670 easy-to-clean Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000036541 health Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- PXAWCNYZAWMWIC-UHFFFAOYSA-N [Fe].[Nd] Chemical compound [Fe].[Nd] PXAWCNYZAWMWIC-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004851 dishwashing Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000015203 fruit juice Nutrition 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 235000004280 healthy diet Nutrition 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005360 mashing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
- A47J43/04—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven
- A47J43/046—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven with tools driven from the bottom side
- A47J43/0465—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven with tools driven from the bottom side with magnetic drive
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
- A47J43/04—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven
- A47J43/07—Parts or details, e.g. mixing tools, whipping tools
- A47J43/08—Driving mechanisms
- A47J43/085—Driving mechanisms for machines with tools driven from the lower side
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Food-Manufacturing Devices (AREA)
Abstract
The invention discloses a kind of crushing device based on magnetic suspension driving and its applications.The crushing device includes host machine part 1, cup body 7 and power reception part；The host machine part 1 includes motor 2 and power delivery section；The power delivery section includes bracket 3 and the magnet 4-1 that is fixed on bracket 3；The power reception part includes the bracket 6 for being equipped with centre bore, the cutter head 5 and magnet 4-2 being each attached on bracket 6；The magnet 4-1 is opposite with magnet 4-2 opposite face magnetic pole；The crushing device further includes the magnet 4-3 that can be passed through the limit pillar 8 of 6 centre bore of bracket and be fixed on limit pillar 8；It is identical as magnet 4-4 opposite face magnetic pole that the bracket 6 is provided with magnet 4-2, magnet 4-4, the magnet 4-3 along centre bore from outside to inside.Crushing device structure of the invention is simpler, it is easy to clean, be not necessarily to sealing element, be applied to more humane in wall-breaking machine, cooking machine etc., the service life is longer.
Description
Technical field
The present invention relates to crushing device fields, and in particular to a kind of crushing device and its application based on magnetic suspension driving.
Background technique
With the progress of society and science and technology, people are food-safe and healthy diet focuses more on, fruit juice, milk, soya-bean milk
Etc. have become life in essential health drink.Wall-breaking machine, which is taken advantage of a situation, becomes recently the more household low power electric appliance of prevalence,
Due to meeting green, health, the life idea refined, quite by the concern of people.Wall-breaking machine has traditional cooking machine stirring concurrently, breaks
The functions such as broken, juicing, filtering, mashing, cutting, can sufficiently discharge the nutriments such as biochemical element, preferably be absorbed by the body.It is complete
Whole wall-breaking machine system is mainly made of cup body, host and adapted attachment three parts, and cup body and host generally use separated structure,
This separated structure is very convenient to subsequent cleaning work.Palette knife head is typically mounted in cup body, by connector come with master
Machine is attached rotation.This structure would generally bring Railway Project: first is that cutter head is easy to scratch hand when cleaning cup body
Refer to, or the swill below cutter head should not be cleared up, to cause antihygienic phenomenon.It furthermore is exactly the close of connector
Envelope problem, in order to obtain comfortable mouthfeel, revolving speed goes directly tens of thousands of rpms wall-breaking machine, will certainly accelerate the mill of sealing element in this way
Damage, once revealing, substantially the wall-breaking machine is not just available.
In order to overcome the above problem or defect, the present invention proposes to be realized using magnetic suspension actuation techniques every sky transmission
Function.There are also similar reports for magnetic suspension actuation techniques, such as " a kind of novel dish-washing machines based on magnetic suspension driving, Shen
Please number: 201520089587.8 ", which is realized between impeller and motor using magnetic drives without direct mechanical connection,
Without the seal configuration in installation settings traditional technology, guarantee this structure long-time stable efficient operation.Although in the present invention
It is transmission to be realized using magnetic force, but the magnetic structure and integral frame in the patent application are totally different from the present invention.
Summary of the invention
The purpose of the present invention is overcoming the prior art, propose a kind of crushing device based on magnetic suspension driving and its
Using being a kind of a kind of simpler, easy to clean, without sealing element magnetic of structure that can be used for wall-breaking machine, blender etc.
Suspend the crushing device driven, keeps wall-breaking machine, cooking machine etc. more humane, the service life is longer.
The purpose of the present invention is achieved through the following technical solutions.
A kind of crushing device based on magnetic suspension driving, including host machine part 1, cup body 7 and the power being arranged in cup body 7
Receiving portion；The host machine part 1 includes motor 2 and the power delivery section with motor 2 by connection axis connection；The power
Output par, c includes bracket 3 and the magnet 4-1 that is fixed on bracket 3；The power reception part includes the branch equipped with centre bore
Frame 6, the cutter head 5 being each attached on bracket 6 and magnet 4-2；The magnet 4-1 is opposite with magnet 4-2 opposite face magnetic pole；
The crushing device further includes the floating parts being arranged in cup body 7；The floating parts include that can pass through in bracket 6
The limit pillar 8 in heart hole and the magnet 4-3 being fixed on limit pillar 8；The bracket 6 is provided with from outside to inside along centre bore
Magnet 4-2, magnet 4-4, the magnet 4-3 are identical as magnet 4-4 opposite face magnetic pole.
Preferably, it is provided with magnet 4-5 at the top of the bracket 6, is provided with magnet 4-6, the magnetic on the limit pillar 8
Body 4-5 is identical as magnet 4-6 opposite face magnetic pole.
Preferably, the magnet 4-1 is fixed by screws on bracket 3.
Preferably, the magnet 4-2, magnet 4-4 are fixed by screws on bracket 6.
Preferably, the cutter head 5 is fixed by screws in the periphery of bracket 6, and this method is replaced after making tool bit abrasion
Conveniently for ease of maintenaince.Cutter head holder part is easy to disassemble, installs and be easy to comprehensive cleaning, realizes health without dead angle.
Preferably, the cup body 7 includes end cap 9；Cup body 7 is sealed by the end cap 9 by screw thread.
It is further preferred that the bottom centre of the cup body 7 and the top center of end cap 9 are provided with limiting groove, use
Pillar 8 is limited in fixed.Cup section prevents the possibility of liquid leakage, prolongs without being sealed processing to cutter head holder part
The service life of long products.
Preferably, the bracket 3 is circumferentially uniformly embedded with 6 pieces of magnet 4-1.
High-performance rare-earth Nd-Fe-B permanent magnet in a symmetrical manner and is distributed in bracket according to certain magnetic direction and works as
In, which is fixed on machine shaft, and when motor rotation, which drives permanent magnet to rotate together, forms rotation forever
Magnetic field.High-performance rare-earth Nd-Fe-B permanent magnet is installed in arrangement in the same way in rotary cutter bracket, what which generated
The rotary permanent-magnet field that permanent magnetic field is generated with power delivery section interacts, and is rotated according to certain phase difference,
To achieve the purpose that power reception.
Preferably, the magnet 4-3, magnet 4-4, magnet 4-5, magnet 4-6 are tubular magnet；The magnet 4-3's
Outer diameter is less than the internal diameter of magnet 4-4.
Preferably, the magnet 4-1, magnet 4-2, magnet 4-3, magnet 4-4, magnet 4-5, magnet 4-6 are rare earth neodymium
Iron B permanent magnetic material.
According to magnet principle of same-sex repulsion, two pieces of annular permanent magnets are arranged on cutter head cantilever tip and gag lever post, shape
At downward repulsive force, the upward suspension that is generated in the gravity and cutter head bracket rotary course of the repulsive force and cutter head bracket
Power reaches equilibrium state, to realize suspension function, and reduces friction, improves power transmission efficiency.
Cutter head bracket can all generate certain axis due to more or less can all there is mismachining tolerance in rotary course
Xiang Li, so that cutter head bracket and gag lever post generate friction, therefore, according to magnet principle of same-sex repulsion, forever by two pieces of annulars
Magnet is arranged on cutter head carriage center hole and gag lever post, and the magnetizing direction of permanent magnet is radial magnetizing, and the radial of formation repels
Power, the centrifugal force which can be generated in rotary course with autobalance cutter head bracket, thus realize complete suspension function,
It realizes zero friction, improves power transmission efficiency.
Application of the crushing device that one of the above is driven based on magnetic suspension in wall-breaking machine, soy bean milk making machine, cooking machine.
The crushing device of magnetic suspension of the present invention driving is made of four parts, host machine part 1, cup body 7, power reception part and
Floating parts, the part are made of permanent-magnet material and un-conducted magnetic material；The permanent-magnet material is with high energy product
Rare-earth Nd-Fe-B permanent magnet；The un-conducted magnetic material is 304 stainless steel materials of food-grade；Power delivery section and power connect
Receiving portions carry out arrangement magnet according to magnet isotropic principle, the magnetizing directions of these permanent magnet blocks by principle of opposite sex attraction Lai
It determines, carries out transmitting power every sky by magnetic force.
Key point of the invention is in the design of magnetic circuit, and cup body is not contacted in rotary course in order to reach work cutter head
The purpose for not generating friction, the buoyancy for making full use of cutter head to generate in rotary course, gravity, repulsive force and centrifugal force, and lead to
Specific design is crossed so that these active forces mutually balance achievees the purpose that suspend completely.The device can suspend but also pacify completely
Full centerlock, additionally it is possible to have certain torque to generate crushing effect, this special designing fills Related product
Man Liao section illusion effect, while there is no contact and sealing device, it is highly convenient for installation, cleaning and maintenance.In addition using in magnet
Permanent magnet material is fixed on corresponding bracket by structure two sides by the method for screw fastener, and this method is but also magnetic
Body block is combined closely securely and reliably.
Compared with prior art, the present invention has the following advantages that and protrudes effect:
Crushing device total processing and manufacturing cost of the invention reduces；Tool bit part can be dismantled at any time to be cleaned, is replaced
And maintenance；There is no sealing element to completely avoid fluid leakage problems, to greatly prolong service life；Pass through specific magnetic Circuit Design
And the function of suspending completely is realized using the interaction between buoyancy, gravity, repulsive force and centrifugal force；It can be according to torque need
To change the arrangement mode and quantity of permanent magnet.
Detailed description of the invention
Fig. 1 is the crushing device schematic illustration of magnetic suspension provided by the present invention driving.
Fig. 2 is power delivery section structural schematic diagram provided by the present invention.
Fig. 3 is power reception partial structure diagram provided by the present invention.
Fig. 4 is the magnetizing direction schematic diagram of magnet 4-5 and 4-6 provided by the present invention.
Fig. 5 is the magnetizing direction schematic diagram of magnet 4-3 provided by the present invention.
Fig. 6 is the magnetizing direction schematic diagram of magnet 4-4 provided by the present invention.
Specific embodiment
Structure of the invention, principle are further described with reference to the accompanying drawing.
Fig. 1 is the crushing device schematic illustration of magnetic suspension driving.The structure is mainly made of 4 parts, and first part is
The host machine part 1 being made of motor 2 and power delivery section (bracket 3 and rare-earth Nd-Fe-B permanent magnetic material 4-1 are formed), second
Dividing is power reception part, and by cutter head 5, bracket 6 and rare-earth Nd-Fe-B permanent magnetic material 4-2,4-4,4-5 are commonly connected together
An entirety is constituted, Part III is floating parts, mainly by limit pillar 8 and rare-earth Nd-Fe-B permanent magnetic material 4-3,4-6
It constitutes, 4-3,4-6 are separately fixed on pillar 8, and Part III is cup body 7；Wherein second part and Part III are all mounted on
In cup body 7, the bottom of cup body 7 is provided with limiting groove, facilitates the positioning and installation of pillar 8.End cap 9 is limit pillar 8 simultaneously
Positioning function is provided, while can be also sealed cup body 7 by screw thread, prevents liquid splash from coming out.Bracket 3 and bracket 6 are
Belong to un-conducted magnetic material (hatching).Arrow direction therein is the magnetizing direction of each rare-earth Nd-Fe-B permanent magnetic material, is magnetized
Direction is determined according to principle of opposite sex attraction.In host 1, motor 2 is rotated according to program, drives bracket by connecting shaft
3 and permanent magnet 4-1 is rotated.In power reception part, if magnet 4-1 is rotated according to direction shown in arrow in figure,
And magnet 4-1 and magnet 4-2 attract each other, magnet 4-1 certainly will will drive magnet 4-2 and rotate together.The attraction of single magnet
Power is limited, and in order to increase active force, can be designed to that multiple magnets carry out permutation and combination, as shown in Fig. 2 and Fig. 3.When broken
Only cup body 7 need to directly be taken away after the completion of broken work, then open end cap 9, and successively take out pillar 8 and the progress of knife first class sections clearly
The work such as wash or safeguard.When if desired carrying out broken work, first cutter head is put into cup body, pillar 8 is inserted into and end is twisted
Cup body 7 is finally mounted on above motor by lid 9, so that it may carry out broken work.
Fig. 2 is power output device schematic diagram in host system, it can be seen that in order to increase active force the present embodiment using 6
Block magnet carries out permutation and combination, and experimental result, which is also shown, has reached target.The quantity and arrangement mode of practical upper magnet are straight
The size for determining attraction is connect, and the size of attraction is related with the torque of transmission.So if wanting to continue increase effect
Power can be combined design using more magnets.
Fig. 3 is power reception schematic device in cup body, it can be seen that the magnetic Circuit Design of this part will be with the magnet in Fig. 2
Arrangement and N, S extreme direction correspond.Simultaneously because also needing reality other than receiving power and generating torque in this partial devices
The cutter head that now works does not contact the purpose that cup body does not generate friction in rotary course, therefore the present invention makes full use of cutter head rotating
Buoyancy, gravity, repulsive force and the centrifugal force generated in the process increases permanent magnet 4-6 on limit pillar 8, passes through permanent magnet
The gravity of repulsive force and entire bracket 6 that 4-6 and 4-5 are generated balances the suspending power that cutter head generates in rotary course, from
And realize the purpose to suspend completely.Magnet 4-6 and 4-5 are toroidal magnets, and magnetizing direction is as shown in Figure 4.The device is being transported
Just start to cannot achieve suspension when revolving speed is very low in capable process, with the increase of revolving speed, suspending power is gradually increased,
Bracket 6 just will be slow rising until suspending.It is to compare since whole device is all rotated around limit pillar 8
Safety, while there is no contact and sealing device, it is highly convenient for installation, cleaning and maintenance.In addition bracket 6 is in rotary course
It may not be contacted completely to realize, the present embodiment increases permanent magnet on limit pillar 8 with limit column contacts friction
4-3, and permanent magnet 4-4 is increased on the frame 6, magnet 4-3 and 4-4 are toroidal magnet, magnet 4-3 magnetizing direction such as Fig. 5
Shown, magnet 4-4 magnetizing direction is as shown in Figure 6.It is excluded each other due to magnet 4-3 and 4-4, bracket 6 and limit branch
It is also without contacting and rubbing between column.Therefore reached absolutely not to rub and not contact, realized the mesh to suspend completely
's.
Claims (10)
1. a kind of crushing device based on magnetic suspension driving, which is characterized in that exist including host machine part (1), cup body (7) and setting
Power reception part in cup body (7)；The host machine part (1) includes motor (2) and passes through connection axis connection with motor (2)
Power delivery section；The power delivery section includes bracket (3) and the magnet (4-1) being fixed on bracket (3)；The power
Receiving portion includes the bracket (6) for being equipped with centre bore, the cutter head (5) and magnet (4-2) being each attached on bracket (6)；It is described
Magnet (4-1) is opposite with magnet (4-2) opposite face magnetic pole；
The crushing device further includes the floating parts being arranged in cup body (7)；The floating parts include that can pass through bracket
(6) the limit pillar (8) of centre bore and the magnet (4-3) being fixed in limit pillar (8)；The bracket (6) is along centre bore
It is provided with magnet (4-2), magnet (4-4) from outside to inside, the magnet (4-3) is identical as magnet (4-4) opposite face magnetic pole.
2. a kind of crushing device based on magnetic suspension driving according to claim 1, which is characterized in that the bracket (6)
Top is provided with magnet (4-5), is provided with magnet (4-6) on the limit pillar (8), the magnet (4-5) and magnet (4-6)
Opposite face magnetic pole is identical.
3. a kind of crushing device based on magnetic suspension driving according to claim 1, which is characterized in that the magnet (4-
1) it is fixed by screws on bracket (3)；The magnet (4-2), magnet (4-4) are fixed by screws on bracket (6).
4. a kind of crushing device based on magnetic suspension driving according to claim 1, which is characterized in that the cutter head (5)
It is fixed by screws in the periphery of bracket (6).
5. a kind of crushing device based on magnetic suspension driving according to claim 1, which is characterized in that the cup body (7)
Including end cap (9)；Cup body (7) is sealed by the end cap (9) by screw thread.
6. a kind of crushing device based on magnetic suspension driving according to claim 5, which is characterized in that the cup body (7)
Bottom centre and the top center of end cap (9) be provided with limiting groove, for fixed limit pillar (8).
7. a kind of crushing device based on magnetic suspension driving according to claim 1, which is characterized in that the bracket (3)
Circumferentially uniformly it is embedded with 6 pieces of magnets (4-1).
8. a kind of crushing device based on magnetic suspension driving according to claim 1, which is characterized in that the magnet (4-
3), magnet (4-4), magnet (4-5), magnet (4-6) are tubular magnet；The outer diameter of the magnet (4-3) is less than magnet (4-4)
Internal diameter.
9. a kind of crushing device based on magnetic suspension driving according to claim 1, which is characterized in that the magnet (4-
1), magnet (4-2), magnet (4-3), magnet (4-4), magnet (4-5), magnet (4-6) are rare-earth Nd-Fe-B permanent magnetic material.
10. a kind of crushing device based on magnetic suspension driving described in claim 1 is in wall-breaking machine, soy bean milk making machine, cooking machine
Using.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910868843.6A CN110507225A (en) | 2019-09-16 | 2019-09-16 | A kind of crushing device and its application based on magnetic suspension driving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910868843.6A CN110507225A (en) | 2019-09-16 | 2019-09-16 | A kind of crushing device and its application based on magnetic suspension driving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110507225A true CN110507225A (en) | 2019-11-29 |
Family
ID=68632442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910868843.6A Pending CN110507225A (en) | 2019-09-16 | 2019-09-16 | A kind of crushing device and its application based on magnetic suspension driving |
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| Country | Link |
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| CN (1) | CN110507225A (en) |
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| DE102006014471A1 (en) * | 2006-03-29 | 2007-10-04 | Steffen Nusko | Stirring device for stirring drinks comprises a stirring tool placed on a screw shaft fixed in a container and having permanent magnets influenced by magnets arranged outside of the container to move the stirring tool along the screw shaft |
| CN103156538A (en) * | 2011-12-13 | 2013-06-19 | 广州市拓璞电器发展有限公司 | Liquid stirring device |
| CN103911813A (en) * | 2012-12-29 | 2014-07-09 | 海尔集团技术研发中心 | Washing machine and washing machine driving method |
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| CN108775334A (en) * | 2018-07-17 | 2018-11-09 | 温岭市百氏精益机械有限公司 | High-accuracy magnetic-suspension main-shaft |
| CN208692984U (en) * | 2018-04-10 | 2019-04-05 | 宁波可凡电器有限公司 | A kind of assembly for creating milk foam easy to install |
| CN211985157U (en) * | 2019-09-16 | 2020-11-24 | 华南理工大学 | Crushing device based on magnetic suspension driving |
-
2019
- 2019-09-16 CN CN201910868843.6A patent/CN110507225A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006014471A1 (en) * | 2006-03-29 | 2007-10-04 | Steffen Nusko | Stirring device for stirring drinks comprises a stirring tool placed on a screw shaft fixed in a container and having permanent magnets influenced by magnets arranged outside of the container to move the stirring tool along the screw shaft |
| CN103156538A (en) * | 2011-12-13 | 2013-06-19 | 广州市拓璞电器发展有限公司 | Liquid stirring device |
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| CN211985157U (en) * | 2019-09-16 | 2020-11-24 | 华南理工大学 | Crushing device based on magnetic suspension driving |
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Application publication date: 20191129 |