CN110479177A - A kind of magnetic stirrer - Google Patents
A kind of magnetic stirrer Download PDFInfo
- Publication number
- CN110479177A CN110479177A CN201910834346.4A CN201910834346A CN110479177A CN 110479177 A CN110479177 A CN 110479177A CN 201910834346 A CN201910834346 A CN 201910834346A CN 110479177 A CN110479177 A CN 110479177A
- Authority
- CN
- China
- Prior art keywords
- magnetic
- bipolar magnet
- measuring cup
- motor
- magnetic stirrer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/45—Magnetic mixers; Mixers with magnetically driven stirrers
- B01F33/452—Magnetic mixers; Mixers with magnetically driven stirrers using independent floating stirring elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/81—Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles
- B01F33/813—Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles mixing simultaneously in two or more mixing receptacles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/40—Mounting or supporting mixing devices or receptacles; Clamping or holding arrangements therefor
- B01F35/43—Supporting receptacles on frames or stands
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
Abstract
The invention discloses magnetic stirrers, it includes workbench, and the workbench is equipped at least one driving position for being used to place the measuring cup；Magnetic motor, the magnetic motor are correspondingly arranged at the lower section of the driving position；Bipolar magnet；The bipolar magnet outer sheath is equipped with anticorrosion antiwear layer；Wherein, the bipolar magnet receives the driving in the magnetic drive portion on the magnetic motor for being placed in the measuring cup；The bipolar magnet is integrally in structure small in ends broad in the middle；The anticorrosion antiwear layer includes the anti-corrosive cover for being mutually butted split；A wear ring is equipped in described two anti-corrosion inner rooms.The utility model has the advantages that frictional force greatly reduces for traditional stirrer, the rotational efficienty of bipolar magnet is improved；When flow velocity inside equal measuring cups reaches a certain level, the bipolar magnet of shaking can leave the bottom of measuring cup, and the top position of measuring cup bottom is suspended in using the flow velocity of liquid, eliminate the frictional resistance of stirring.
Description
Technical field
The present invention relates to magnetic stirrers, belong to blender field.
Background technique
Magnetic stirring apparatus is the Laboratory Instruments for liquid mixing, is mainly used for stirring or heating stirring is low sticky simultaneously
The liquid or solidliquid mixture of degree.The basic principle is that being pushed away using the magnetic field principle that identical charges repel each other, there is a natural attraction between the sexes using magnetic field
Magnetic stirrer carries out circumferential running in a reservoir for dynamic placement, to achieve the purpose that stir liquid.Cooperate heating temperature
Control system can heat according to specific requirement of experiment and control sample temperature, temperature condition needed for maintaining experiment condition,
Guarantee that liquid mixing reaches experiment demand.
The Chinese invention patent document of Publication No. " CN206613444U " discloses " a kind of magnetic stir bar "；The stirring
Son includes: hollow installing pipe, the magnet for being fixedly mounted on installing pipe inside center, passes through spring respectively and be mounted on installing pipe
Both ends two stirring cores；The end for stirring core is crown in ellipsoid, and the bottom for stirring core is cylindrical and protrude into installing pipe.
Although the invention is by using elastic connection, when liquid viscosity is larger, as speed increases, stirring core gradually stretches out, thus
The range of stirring is expanded, increases the dynamics and intensity of stirring significantly.But the magnetic stir bar in the device rotation when,
Always it is contacted with the bottom surface of measuring cup, frictional force can be generated in this way, influence the rotational efficienty of magnetic stir bar, and grind for a long time
Damage can reduce the service life of magnetic stir bar.
Summary of the invention
In order to overcome problems of the prior art, the invention reside in provide a kind of magnetic stirrer using whole to be in
Between big structure small in ends bipolar magnet, bipolar magnet can be made in stirring, the contact surface between bipolar magnet and measuring cup is most
Smallization, and in measuring cup liquid form whirlpool, bipolar magnet gradually separates with measuring cup bottom surface, and suspend rotation in a liquid,
Improve stirring efficiency.
Magnetic stirrer of the invention includes workbench, and the workbench is equipped at least one for placing the measuring cup
Driving position；Magnetic motor, the magnetic motor are correspondingly arranged at the lower section of the driving position；Bipolar magnet；Wherein, described double
Pole magnet receives the driving in the magnetic drive portion on the magnetic motor for being placed in the measuring cup；The bipolar magnet
Whole is in structure small in ends broad in the middle.The bipolar magnet is separated from the middle, and side is that the pole N side is the pole S, the bipolar magnetic
Iron is that side is contacted with the measuring cup bottom surface when stationary, and the magnetic motor work generates the magnetic force of interaction, the magnetic force
The bipolar magnet in the measuring cup is had an impact, the bipolar magnet starts to work, the bipolar magnet according to
The variation of magnetic pole and the weight distribution of entirety start to shake in rotation, while velocity of rotation gradually becomes faster, the width of shaking
Degree gradually becomes smaller, and until the liquid in the measuring cup forms the enough whirlpools of speed, the bipolar magnet then can be with the measuring cup
Bottom surface separation, is suspended in liquid, and gradually smooth rotation.
Specifically, the bipolar magnet is rotary body small in ends broad in the middle, the rotation body structure is symmetrical, facilitates processing.
Further, the bipolar magnet outer sheath is equipped with anticorrosion antiwear layer.Since the liquid filled in the measuring cup is general
With corrosivity, so the anticorrosion antiwear layer can effectively prevent the bipolar magnet from being corroded by experimental liquid；And
The bipolar magnet is to contact with the measuring cup bottom surface for some time, so the anticorrosion antiwear layer while rotation
It can prevent the bipolar magnet from mutually wearing with the measuring cup, improve the service life of device.
Further, the anticorrosion antiwear layer includes the anti-corrosive cover for being mutually butted split.Due to the liquid corrosion of experiment
The property upper limit is very strong, and to have height to have low for reaction temperature, so material used in the anti-corrosive cover can be polytetrafluoro resistant to high temperature
Ethylene, low temperature resistant vinyl fluoride etc., the characteristics of liquids that can be specifically used according to experiment adjust.
Further, a wear ring is equipped in described two anti-corrosion inner rooms.The wear ring can make corrosion resistance strong
Glass reinforced plastic, carbon steel etc.；Both the bipolar magnet can be made when the measuring cup bottom surface rotates using the wear ring, reduce
Between the frictional force that generates, improve the rotational efficienty of the bipolar magnet.
Further, the anti-corrosive cover is bonded in the outer surface of the bipolar magnet, and open end with it is described wear-resisting
Ring bonding.The process can be in the way of thermoplastic shaping, so that the anti-corrosive cover is even closer with two annulus of wear ring
Face, bipolar magnet outer surface fitting, it is significantly more efficient that corrosion protection is carried out to the bipolar magnet.
Further, the driving position is equipped in upper and lower corresponding lower groove and upper groove.The lower groove is used to install
The magnetic motor, the upper groove are used to place the measuring cup.
Specifically, the magnetic motor is integrally placed in the lower groove upwards, the fixation of the magnetic motor lower end
The upper surface of board ends is fixed with the anticorrosion base station lower end surface for being provided with the lower groove.
Specifically, experiment has concrete model with the measuring cup, the upper groove can be according to the tool of the used measuring cup
Figure number is configured.
Further, the magnetic motor includes the motor being arranged in the lower groove and is connected to by a mounting plate
Magnetic drive portion on the motor, and the fixed plate for fixing the magnetic motor.The driving magnetic patch quantity is two
A, the respectively pole N and the pole S, the motor work drives the mounting plate to rotate, the mounting plate drives the driving magnetic patch
Rotation, the pole N and S are extremely interlaced, have an impact to the bipolar magnet.
Further, the workbench bag including rack, the anticorrosion base station and the corrosion base that are arranged in the rack
Platform periphery is fixed with protective plate.When adding experimental liquid in the measuring cup, liquid spills, and the anticorrosion base station can prevent
Liquid corrosion base station；Protective plate can prevent from sputtering in liquid reactions experiment.
Beneficial effects of the present invention:
1, bipolar magnet is arranged to it is broad in the middle small in ends, one end be the pole N, one end be the pole S；In magnetic motor work,
Bipolar magnet by magnetic force interaction influenced, can be rotated first in the bottom of measuring cup, setting small in ends broad in the middle so that
Bipolar magnet is in the rotation, very small with the contact surface of measuring cup, and for traditional bipolar magnet, frictional force is significantly
It reduces, improves the rotational efficienty of bipolar magnet.
2, bipolar magnet small in ends broad in the middle is not when working, side exposure bottom of a cup portion, the shadow by magnetic motor
It is uneven due to its shape after sound, so under the magnetic force, what can be shaken first is rotated in measuring cup bottom, and
And the shaking degree levels off to stabilization, when the flow velocity inside measuring cup reaches a certain level, the bipolar magnet meeting of shaking
The bottom for leaving measuring cup is suspended in the top position of measuring cup bottom using the flow velocity of liquid, eliminates the frictional resistance of stirring.
Detailed description of the invention
Detailed description will be given by the following detailed implementation and drawings by the present invention for ease of explanation,.
Fig. 1 is three-dimensional structure diagram of the invention；
Fig. 2 is top view of the invention；
Fig. 3 is A-A sectional view of the invention；
Fig. 4 is B-B sectional view of the invention；
Fig. 5 is magnetic motor structure chart of the invention；
Fig. 6 is 1 bipolar magnet part drawing of the embodiment of the present invention；
Fig. 7 is 1 anticorrosion antiwear layer part drawing of the embodiment of the present invention；
Fig. 8 is 1 anticorrosion antiwear layer explosive view of the embodiment of the present invention；
Fig. 9 is 1 bipolar magnet sectional view of the embodiment of the present invention；
Figure 10 is 2 bipolar magnet part drawing of the embodiment of the present invention；
Figure 11 is 3 bipolar magnet part drawing of the embodiment of the present invention.
Description of symbols:
1, rack；2, anticorrosion base station；201, lower groove；202, upper groove；3, magnetic motor；301, fixed plate；302,
Motor；303, mounting plate；304, magnetic patch is driven；4, protective plate；5, measuring cup；7, anticorrosion antiwear layer；6, bipolar magnet；701, anti-corrosion
Set；702, wear ring.
Specific embodiment
Referring to fig. 2, shown in 5, magnetic motor 3 includes the motor 302 that is arranged in lower groove 201 and by a mounting plate
303 are connected to the magnetic drive portion 304 on motor 302, and the fixed plate 301 for fixing magnetic motor 3.Motor 302 is logical
Electricity drives mounting plate 303 to rotate, and mounting plate 303 drives driving magnetic patch 304 to rotate, and the pole N of driving magnetic patch 304 is extremely mutually handed over S
Mistake has an impact bipolar magnet 6；And workbench bag including rack 1, the anticorrosion base station 2 being arranged on the rack and corrosion base
2 periphery of platform is fixed with protective plate 4.When adding experimental liquid in measuring cup 5, liquid spills, and anticorrosion base station 2 can prevent liquid
Corrode base station；Protective plate can prevent from sputtering in liquid reactions experiment.
Embodiment 1
Referring to shown in Fig. 1-9, being a kind of embodiment of magnetic stirrer of the invention: workbench, workbench is equipped with extremely
Few one for placing the driving position of measuring cup 5；Magnetic motor 3, magnetic motor 3 are correspondingly arranged at the lower section of driving position；Bipolar magnetic
Iron 6；Wherein, bipolar magnet 6 receives the driving in the magnetic drive portion 304 on magnetic motor 3 for being placed in measuring cup 5；It is bipolar
Whole magnet 6 is in structure small in ends broad in the middle.Bipolar magnet 6 is rotary body small in ends broad in the middle, and one end is that the pole N one end is
S is extremely symmetrical, and bipolar magnet 6 is that side is contacted with 5 bottom surface of measuring cup when stationary, and the work of magnetic motor 3 generates the magnetic of interaction
Power, the magnetic force have an impact the bipolar magnet 6 in measuring cup 5, and bipolar magnet 6 starts to work, bipolar magnet 6 rotate so that
Liquid initially forms whirlpool, and bipolar magnet 6 starts to shake in rotation according to the variation of magnetic pole and the weight distribution of entirety
Dynamic, while velocity of rotation gradually becomes faster, the amplitude of shaking is gradually become smaller, until the liquid formation speed in measuring cup 5 is enough
Whirlpool, bipolar magnet 6 can then be separated with 5 bottom surface of measuring cup, be suspended in liquid, and gradually smooth rotation.
Embodiment 2
Referring to shown in Fig. 1-5 and 10, being a kind of embodiment of magnetic stirrer of the invention: workbench, set on workbench
There is at least one for placing the driving position of measuring cup 5；Magnetic motor 3, magnetic motor 3 are correspondingly arranged at the lower section of driving position；It is double
Pole magnet 6；Wherein, bipolar magnet 6 receives the driving in the magnetic drive portion 304 on magnetic motor 3 for being placed in measuring cup 5；
Whole bipolar magnet 6 is in structure small in ends broad in the middle.Bipolar magnet 6 is rotary body small in ends broad in the middle, and the rotary body
It splits to form section in rear and front end；One end is that the pole N one end is S extremely symmetrical, and bipolar magnet 6 is side and amount when stationary
The contact of 5 bottom surfaces of cup, the work of magnetic motor 3 generate the magnetic force of interaction, which has an impact the bipolar magnet 6 in measuring cup 5, double
Pole magnet 6 starts to work, and bipolar magnet 6 starts according to the setting of the variation of magnetic pole, whole weight distribution and section
It is shaken in rotation, which can just reduce the amplitude of the shaking of bipolar magnet 6 when working at the beginning, increase barrier liquid stream
Dynamic range improves stirring efficiency.
Embodiment 3
It is a kind of embodiment of magnetic stirrer of the invention: workbench referring to shown in Fig. 1-5 and Figure 11, on workbench
It is used to place the driving position of measuring cup 5 equipped at least one；Magnetic motor 3, magnetic motor 3 are correspondingly arranged at the lower section of driving position；
Bipolar magnet 6；Wherein, bipolar magnet 6 receives the drive in the magnetic drive portion 304 on magnetic motor 3 for being placed in measuring cup 5
It is dynamic；Whole bipolar magnet 6 is in structure small in ends broad in the middle.Bipolar magnet 6 is rotary body small in ends broad in the middle, and in the rotation
Turn the agitating plate that two 45 ° of inclinations angle are arranged in upper end；6 one end of bipolar magnet is that the pole N one end is S extremely symmetrical, and bipolar magnet 6 exists
It is that side is contacted with 5 bottom surface of measuring cup when stationary, the work of magnetic motor 3 generates the magnetic force of interaction, and the magnetic force is in measuring cup 5
Bipolar magnet 6 have an impact, bipolar magnet 6 starts to work, and bipolar magnet 6 is according to the variation of magnetic pole, whole gravity
Distribution and the setting of agitating plate；Start to shake in rotation, agitating plate can stablize the shaking of bipolar magnet 6, improve stirring
Efficiency so that magnetic motor 3 does not need cracking revolving speed and can achieve the effect that stir evenly.
Referring to shown in Fig. 6-9, workbench, workbench is equipped at least one driving position for being used to place measuring cup 5；Magnetic electric
Machine 3, magnetic motor 3 are correspondingly arranged at the lower section of driving position；Bipolar magnet 6；Wherein, bipolar magnet 6 is for being placed on measuring cup 5
It is interior, receive the driving in the magnetic drive portion 304 on magnetic motor 3；Whole bipolar magnet 6 is in structure small in ends broad in the middle.And
And 6 outer sheath of bipolar magnet is equipped with anticorrosion antiwear layer 7.Bipolar magnet 6 is rotary body small in ends broad in the middle, and one end is the pole N one
End is that S is extremely symmetrical, and bipolar magnet 6 is that side is contacted with 5 bottom surface of measuring cup when stationary, and the work of magnetic motor 3 generates interaction
Magnetic force, which has an impact the bipolar magnet 6 in measuring cup 5, and bipolar magnet 6 starts to work, and bipolar magnet 6 rotates
So that liquid initially forms whirlpool, and bipolar magnet 6 starts side rotation according to the variation of magnetic pole and the weight distribution of entirety
Side is shaken, and while velocity of rotation gradually becomes faster, the amplitude of shaking is gradually become smaller, until the liquid in measuring cup 5 forms speed foot
Enough whirlpools, bipolar magnet 6 can then be separated with 5 bottom surface of measuring cup, be suspended in liquid, and gradually smooth rotation.Anticorrosion antiwear
Layer 7 can effectively prevent bipolar magnet 6 from being corroded by experimental liquid；And bipolar magnet 6 is while rotation, when having one section
Between be to be contacted with 5 bottom surface of measuring cup, so anticorrosion antiwear layer 7 can prevent bipolar magnet 6 and measuring cup 5 from mutually wearing, improve dress
The service life set.
Referring to shown in Fig. 7,9, anticorrosion antiwear layer 7 includes the anti-corrosive cover 701 for being mutually butted split.Two anti-corrosive covers 701 are right
Split is connect, first is that facilitating operation, second is that can effectively prevent bipolar magnet 6 by liquid corrosion.
It is shown in Figure 8, a wear ring 702 is equipped in two anti-corrosion inner rooms.Wear ring 702 can make corrosion resistance strong
Glass reinforced plastic, carbon steel etc.；Bipolar magnet 6 can be made when 5 bottom surface of measuring cup rotates using wear ring 702, reduction produces between the two
Raw frictional force improves the rotational efficienty of bipolar magnet 6.Anti-corrosive cover 701 is bonded in the outer surface of bipolar magnet 6, and is open
End face is Nian Jie with wear ring 702.The process can in the way of thermoplastic shaping so that anti-corrosive cover 701 it is even closer with it is wear-resisting
702 liang of anchor rings of ring, the fitting of 6 outer surface of bipolar magnet, it is significantly more efficient that corrosion protection is carried out to bipolar magnet 6.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.
Claims (10)
1. a kind of magnetic stirrer, the stirring applied to amount material in the cup；It is characterized by comprising
Workbench, the workbench are equipped at least one driving position for being used to place the measuring cup (5)；
Magnetic motor (3), the magnetic motor (3) are correspondingly arranged at the lower section of the driving position；
Bipolar magnet (6)；
Wherein, for being placed in the measuring cup (5), the magnetic force received on the magnetic motor (3) drives the bipolar magnet (6)
The driving of dynamic portion (304)；The bipolar magnet (6) is integrally in structure small in ends broad in the middle.
2. magnetic stirrer according to claim 1, it is characterised in that: bipolar magnet (6) outer sheath is equipped with anti-corrosion
Wearing layer (7).
3. magnetic stirrer according to claim 2, it is characterised in that: the anticorrosion antiwear layer (7) includes being mutually butted
The anti-corrosive cover (701) of split.
4. magnetic stirrer according to claim 3, it is characterised in that: be equipped with a wear ring in described two anti-corrosion inner rooms
(702)。
5. magnetic stirrer according to claim 5, it is characterised in that: the anti-corrosive cover (701) is bonded in described bipolar
The outer surface of magnet (6), and open end is Nian Jie with the wear ring (702).
6. -5 any magnetic stirrer according to claim 1, it is characterised in that: the driving position is equipped in corresponding up and down
Lower groove (201) and upper groove (202).
7. magnetic stirrer according to claim 6, it is characterised in that: the magnetic motor (3) includes being arranged described
Motor (302) in lower groove (201) and the magnetic drive portion on the motor (302) is connected to by a mounting plate (303)
(304), the fixed plate (301) and for fixing the magnetic motor (3).
8. -5 any magnetic stirrer according to claim 1, it is characterised in that: the workbench bag including rack (1) sets
It sets the anticorrosion base station (2) in the rack and corrosion base station (2) periphery is fixed with protective plate (4).
9. magnetic stirrer according to claim 6, it is characterised in that: the workbench bag including rack (1) is arranged in institute
It states the anticorrosion base station (2) in rack and corrosion base station (2) periphery is fixed with protective plate (4).
10. magnetic stirrer according to claim 7, it is characterised in that: the workbench bag including rack (1), setting exist
Anticorrosion base station (2) and corrosion base station (2) periphery in the rack are fixed with protective plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910834346.4A CN110479177A (en) | 2019-09-02 | 2019-09-02 | A kind of magnetic stirrer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910834346.4A CN110479177A (en) | 2019-09-02 | 2019-09-02 | A kind of magnetic stirrer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110479177A true CN110479177A (en) | 2019-11-22 |
Family
ID=68556476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910834346.4A Pending CN110479177A (en) | 2019-09-02 | 2019-09-02 | A kind of magnetic stirrer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110479177A (en) |
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| CN207694720U (en) * | 2017-11-08 | 2018-08-07 | 江苏皓月涂料有限公司 | A kind of coating magnetic stirring apparatus |
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| CN208627181U (en) * | 2018-04-09 | 2019-03-22 | 王泽� | A kind of heating magnetic stirring apparatus |
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Address after: 314022 No. 262 Xinsheng Road, Yuxin Town, Nanhu District, Jiaxing City, Zhejiang Province Applicant after: Zhejiang Baisheng photoelectric Co.,Ltd. Address before: 314009, 1, 262 Xin Sheng Road, Nanhu Town, Nanhu District, Zhejiang, Jiaxing Applicant before: JIAXING BAISHENG PHOTOELECTRIC Co.,Ltd. |
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Application publication date: 20191122 |
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