CN106252018B - A kind of magnetic conductive device and the method for preparing the magnetic conductive device - Google Patents
A kind of magnetic conductive device and the method for preparing the magnetic conductive device Download PDFInfo
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- CN106252018B CN106252018B CN201610765926.9A CN201610765926A CN106252018B CN 106252018 B CN106252018 B CN 106252018B CN 201610765926 A CN201610765926 A CN 201610765926A CN 106252018 B CN106252018 B CN 106252018B
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 239000006249 magnetic particle Substances 0.000 claims abstract description 61
- 239000000084 colloidal system Substances 0.000 claims abstract description 39
- 238000002156 mixing Methods 0.000 claims abstract description 15
- 238000007711 solidification Methods 0.000 claims abstract description 11
- 230000008023 solidification Effects 0.000 claims abstract description 11
- 239000003292 glue Substances 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 17
- 239000012790 adhesive layer Substances 0.000 claims description 17
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 17
- -1 polyethylene Polymers 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000000465 moulding Methods 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 9
- 239000004698 Polyethylene Substances 0.000 claims description 9
- 229920000573 polyethylene Polymers 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 claims description 2
- 239000002002 slurry Substances 0.000 abstract description 32
- 230000000694 effects Effects 0.000 abstract description 11
- 238000010411 cooking Methods 0.000 abstract description 10
- 239000004411 aluminium Substances 0.000 description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 13
- 229910052782 aluminium Inorganic materials 0.000 description 13
- 239000013464 silicone adhesive Substances 0.000 description 11
- 239000003822 epoxy resin Substances 0.000 description 9
- 238000009740 moulding (composite fabrication) Methods 0.000 description 9
- 229920000647 polyepoxide Polymers 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 230000002269 spontaneous effect Effects 0.000 description 5
- 238000005422 blasting Methods 0.000 description 4
- 239000004927 clay Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 208000028804 PERCHING syndrome Diseases 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 238000005488 sandblasting Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000010237 hybrid technique Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/02—Cores, Yokes, or armatures made from sheets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/08—Cores, Yokes, or armatures made from powder
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0233—Manufacturing of magnetic circuits made from sheets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0246—Manufacturing of magnetic circuits by moulding or by pressing powder
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/36—Coil arrangements
- H05B6/365—Coil arrangements using supplementary conductive or ferromagnetic pieces
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Cookers (AREA)
- Food-Manufacturing Devices (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a kind of magnetic conductive devices, belong to culinary cuisine appliance field, including magnetic guiding frame ontology and the magnetizer being located on magnetic guiding frame ontology, the magnetizer includes magnetic particle and colloid, is formed by curing the magnetizer after magnetic particle and colloid mixing, in addition, the invention also discloses the methods for preparing the magnetic conductive device, magnetic particle and colloid are mainly mixed to form magnetic conduction slurry, are attached on magnetic guiding frame ontology after waiting magnetic conductions slurry solidification, or solidify after being attached on magnetic guiding frame ontology.Magnetic conductive device magnetic conduction effect the advantage of the invention is that reduce cost, and after being made is preferable, and magnetic conductive device is used in inside cooking appliance in the present invention.
Description
[technical field]
The present invention relates to a kind of magnetic conductive devices and the method for preparing the magnetic conductive device, belong to culinary cuisine appliance field.
[background technique]
Existing electromagnetic cooking appliance generally includes electromagnetic wire coil, and the magnetic field that electromagnetic wire coil generates in order to prevent is to its other party
To leakage, usual setting magnetic conductive device outside electromagnetic wire coil, and existing magnetic conductive device generally includes magnetic stripe, and existing magnetic
Preparation process complexity, universal higher cost.
[summary of the invention]
A kind of method that problem to be solved by this invention is just to provide magnetic conductive device and prepares the magnetic conductive device, Neng Gouyou
Effect reduces cost.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
A kind of magnetic conductive device, including magnetic guiding frame ontology and the magnetizer being located on magnetic guiding frame ontology, the magnetizer packet
Magnetic particle and colloid are included, is formed by curing the magnetizer after magnetic particle and colloid mixing.
Magnetic conductive device of the invention, composition include magnetic particle and colloid, and when preparation mixes magnetic particle and colloid,
And it is finally formed by curing magnetizer, firstly, the cost of colloid is greatly lowered in cost for magnetic particle, relative to
For traditional magnetic stripe all uses the ingredient of magnetic particle, has very big advantage in cost, so that using this magnetic conduction
The cooking apparatus of device greatly improves in the market competitiveness；Secondly, magnetic particle and colloid are to be formed by curing magnetizer, forming
Technique is relatively easy, for traditional magnetic stripe moulding process, equally reduces manufacturing cost；In addition, because colloid and
Magnetic particle is to mix, and magnetic distribution of particles is more uniform, so that the magnetic conductive device magnetic force distribution produced is uniform, magnetic conduction effect
It is good.
Preferably, the colloid includes glue adhesive layer, the magnetic particle is adhered on the glue adhesive layer.Colloid
Itself has viscosity, so that intensity is more preferable the problems such as will not generating bubble, gap in magnetic particle and colloid mixed process.
Preferably, the glue adhesive layer includes polyethylene alcohol and water, the mass ratio of the magnetic particle and polyvinyl alcohol
For 5:1~15:1, the mass ratio of the polyvinyl alcohol and water is 1:10~1:25.The mixing of polyethylene alcohol and water can generate viscosity,
And both material costs are very low, and the mass ratio of magnetic particle and polyvinyl alcohol is 5:1~15:1, and ratio is moderate, ratio
Excessively high, cost is also relatively high, and ratio is too low, and magnetic conduction effect will receive influence.
Preferably, the glue adhesive layer includes silicone adhesive, the mass ratio of the magnetic particle and silicone adhesive be 2:1~
10:1；Or, the glue adhesive layer includes epoxy resin, the mass ratio of the magnetic particle and epoxy resin is 2:1~10:1.Silicon
Ketone glue and epoxy resin itself have viscosity, by the mass ratio of magnetic particle and silicone adhesive or epoxy resin be scheduled on 2:1~10:1 it
Between more be suitble to, ratio is excessively high, and cost is also relatively high, and ratio is too low, and magnetic conduction effect will receive influence.
In addition, including the following steps: the invention also discloses a kind of method for preparing above-mentioned magnetic conductive device
Step S1: the magnetic conduction that magnetic particle and colloid are mixed into slurry shape is starched；
Step S2: magnetic conduction slurry is applied and is set on molded good magnetic guiding frame ontology, is then led in molded good
Magnet stand body surface is formed by curing magnetizer；
It is set to unformed magnetic guiding frame ontology or, magnetic conduction slurry is applied and is solidified into magnetizer, then magnetizer and magnetic guiding frame
Ontology is integrally formed together by mold.
Two ways in this method is all to apply magnetic conduction slurry to be set on magnetic guiding frame, and finally solidify in fact, and advantage is all
To be that moulding process is simple, the advantages of both processes, is that moulding process is simple, no matter magnetic guiding frame body design at
What shape, magnetizer can be matched with the shape of the magnetic guiding frame ontology and be bonded.
Difference is in first method, is to apply magnetic conduction slurry to be set on molded good magnetic guiding frame ontology, then
Magnetic guiding frame body surface through forming is formed by curing magnetizer, is no longer formed after magnetizer solidification, magnetizer itself is not
The problems such as will receive extruding, preventing cracking.
And in second method, magnetic conduction slurry, which applies, to be set to unformed good magnetic guiding frame ontology and is solidified into magnetizer, is then led
Magnet and magnetic guiding frame ontology are integrally formed together by mold, and magnetizer and magnetic guiding frame ontology are synchronous formings in this method,
Structure, compactness is more preferable in shape, surface more smooth.
Preferably, magnetic guiding frame ontology is first passed through surface sand-blasting process before step S1, in step s 2, starched in magnetic conduction
After painting is set on magnetic guiding frame ontology, magnetic conduction slurry leveling is handled using technique is struck off.Magnetic guiding frame ontology is sprayed by surface first
Sand processing can allow magnetic conduction slurry to be preferably attached on magnetic guiding frame, and strike off technique and make the magnetizer surface after solidifying more flat
It is whole.
Preferably, being cured as spontaneous curing under room temperature in step S2；Or, be cured as being heating and curing, the temperature of heating
It is 200 DEG C~250 DEG C.Spontaneous curing under room temperature, it is low for equipment requirements, production cost is reduced, if it is being heating and curing, also only
It is low-temperature heat, compared with being heated at high temperature sintering, greatly reduces energy consumption.
Meanwhile in addition the present invention also discloses a kind of method for preparing above-mentioned magnetic conductive device, include the following steps:
Step S1: magnetic particle being mixed to be put into mold with colloid carries out shaping solidification, is shaped to specific shape after solidification
Magnetizer；
Step S2: the magnetizer after curing molding is bonded on magnetic guiding frame ontology.
In this preparation method, it is to mix magnetic particle with colloid to be put into mold, carries out shaping solidification in advance, solidified
Be deformed into after with the consistent magnetizer of mold inner-cavity shape, after being cured, then magnetizer is adhered on magnetic guiding frame ontology,
The advantages of this technique, is that magnetizer can produce processing in enormous quantities, and the magnetic conductive device produced is mountable to any culinary art
On utensil, inventory, high financial profit not will cause substantially.
Preferably, in step S1, the colloid includes polyethylene alcohol and water, when mixing, first by polyvinyl alcohol and magnetic
Grain is mixed to form glue particle, then mixes glue particle with water.Viscosity can be generated after the mixing of polyethylene alcohol and water, can be made
Bubble will not be generated in mixing by obtaining magnetic particle.
Preferably, being cured as spontaneous curing under room temperature in step S1；Or mold is placed in heating room and is heated admittedly
Change, the temperature of heating is 200 DEG C~250 DEG C.
These features and advantages of the invention will the detailed exposure in following specific embodiment, attached drawing.
[Detailed description of the invention]
Following further describes the present invention with reference to the drawings:
Fig. 1 is the flow diagram of first embodiment in magnetic conductive device preparation method of the present invention；
Fig. 2 is the schematic cross-sectional view of magnetic conductive device in first embodiment of the invention；
Fig. 3 is the structural schematic diagram after the punching of first embodiment of the invention magnetic conductive device；
Fig. 4 is the flow diagram of second embodiment in magnetic conductive device preparation method of the present invention；
Fig. 5 is the flow diagram of 3rd embodiment in magnetic conductive device preparation method of the present invention.
[specific embodiment]
The technical solution of the embodiment of the present invention is explained and illustrated below with reference to the attached drawing of the embodiment of the present invention, but under
It states embodiment to be merely a preferred embodiment of the present invention, and not all.Based on the implementation example in the implementation mode, those skilled in the art
Obtained other embodiments without making creative work, belong to protection scope of the present invention.
A kind of magnetic conductive device, including magnetic guiding frame ontology and the magnetizer being located on magnetic guiding frame ontology, the magnetizer packet
Magnetic particle and colloid are included, is formed by curing the magnetizer after magnetic particle and colloid mixing.Magnetic conductive device of the invention, composition packet
Including magnetic particle and colloid, when preparation, mixes magnetic particle and colloid, and is finally formed by curing magnetizer, firstly, colloid
Cost is greatly lowered in cost for magnetic particle, relative to traditional magnetic stripe all use magnetic particle ingredient and
Speech, have very big advantage in cost so that using the cooking apparatus of this magnetic conductive device in the market competitiveness significantly
It improves；It is relatively easy in moulding process secondly, magnetic particle and colloid are to be formed by curing magnetizer, relative to traditional magnetic stripe at
For type technique, manufacturing cost is equally reduced；In addition, magnetic distribution of particles is more because colloid and magnetic particle are to mix
Uniformly, so that the magnetic conductive device magnetic force distribution produced is uniform, magnetic conduction effect is good.
Preferably, the colloid includes glue adhesive layer, the magnetic particle is adhered on the glue adhesive layer.Colloid
Itself has viscosity, so that intensity is more preferable the problems such as will not generating bubble, gap in magnetic particle and colloid mixed process.
Preferably, the glue adhesive layer includes polyethylene alcohol and water, the mass ratio of the magnetic particle and polyvinyl alcohol
For 5:1~15:1, the mass ratio of the polyvinyl alcohol and water is 1:10~1:25.The mixing of polyethylene alcohol and water can generate viscosity,
And both material costs are very low, and the mass ratio of magnetic particle and polyvinyl alcohol is 5:1~15:1, and ratio is moderate, ratio
Excessively high, cost is also relatively high, and ratio is too low, and magnetic conduction effect will receive influence.
Preferably, the glue adhesive layer includes silicone adhesive, the mass ratio of the magnetic particle and silicone adhesive be 2:1~
10:1；Or, the glue adhesive layer includes epoxy resin, the mass ratio of the magnetic particle and epoxy resin is 2:1~10:1.Silicon
Ketone glue and epoxy resin itself have viscosity, by the mass ratio of magnetic particle and silicone adhesive or epoxy resin be scheduled on 2:1~10:1 it
Between more be suitble to, ratio is excessively high, and cost is also relatively high, and ratio is too low, and magnetic conduction effect will receive influence.
Specifically provide below prepare above-mentioned magnetic conductive device preparation process it is as follows:
Embodiment one
Referring to figs. 1 to 2, the present embodiment is a kind of preparation process of magnetic conductive device, signified magnetic conductive device in the present embodiment,
It is mounted in the cooking apparatus of electromagnetic heating, the element of magnetic conduction effect is folded to the electromagnetic wire in cooking apparatus, is usually provided at
The outside of electromagnetic wire coil, plays and introduction by magnetic field is applied to cookware direction to be heated, and the magnetic conductive device in the present embodiment includes
Magnetic guiding frame ontology 1 and the magnetizer 2 being located on magnetic guiding frame ontology 1, the magnetizer 2 include magnetic particle and colloid, magnetic particle
The magnetizer 2 is formed by curing with after colloid mixing, and the colloid in the present embodiment preferably includes glue adhesive layer, magnetic when mixing
The problems such as grain is adhered on the glue adhesive layer, will not generate bubble, gap, so that 2 intensity of magnetizer after solidifying is more preferable.
Specific preparation process, referring to Fig.1:
Step 1: magnetic particle and colloid are mixed into the magnetic conduction slurry 20 of slurry shape, and in the present embodiment, glue adhesive layer
For silicone adhesive, the mass ratio of the magnetic particle and silicone adhesive is 5:1, and the quality of this mass ratio, magnetic particle is just moderate, magnetic
Particle fraction is excessively high, and cost is opposite to be risen, and magnetic particle fraction is too low, will affect magnetic conductivity；Certainly, in other embodiments, magnetic
The mass ratio of particle and silicone adhesive can be 2:1,10:1 etc..
Step 2: one piece of blanking and unformed magnetic guiding frame ontology are taken, the unformed magnetic guiding frame in the present embodiment
Ontology is aluminium sheet 10, blasting treatment is carried out to 10 surface of aluminium sheet using abrasive blast equipment 6, due to 10 surface of aluminium sheet after blasting treatment
Present it is uneven so that surface adhesion force greatly increases；
Step 3: magnetic conduction slurry 20 is put into clay coating machine 51, magnetic conduction is then starched 20 certainly using clay coating machine 51
It is dynamic to be coated to 10 surface of aluminium sheet after blasting treatment；
Step 4: magnetic conduction slurry 20 is flattened using technique is struck off, striking off in the present embodiment sets after being coated with magnetic conduction slurry 20
Standby 3, front end is equipped with scraper 31, and rear end is equipped with roller 32, and scraper 31 is first tentatively flattened, then with 32 rolling of roller, guarantees to lead
20 surfacing of magnetic paint；
Step 5: aluminium sheet 10, magnetic conduction slurry 20 are placed into after 20 leveling of magnetic conduction slurry together ambient temperature curing；Certainly, real
When border operates, solidification can be using being heating and curing, to reduce the process time, and using being low-temperature heat, the temperature of heating is for heating
200 DEG C~250 DEG C.
6th step, when magnetic conduction slurry 20 solidification after the completion of, 10 surface cure of aluminium sheet formed one layer of magnetizer 2, then by aluminium
Plate 10 is placed into stamping die together with magnetizer 2 and carries out punch forming, and by the two together punch forming, aluminium sheet 10 is being formed
Magnetic guiding frame ontology 1 is formed afterwards, and this common punch forming can make magnetizer 2 be bonded with magnetic guiding frame ontology 1 more preferably.The present embodiment
In, it is the single piece in a pot shape after magnetic conductive device molding, entire magnetic conductive device surface all has magnetizer 2, to some pots
The cooking apparatus of tool, especially for electric cooker, pressure cooker etc., magnetic conduction effect is very good, and in traditional cooking apparatus, due to
The moulding process of magnetic stripe is complex, cannot accomplish that all standing, magnetic conduction effect are poor substantially；
It should be noted that the magnetic guiding frame ontology 1 in the present embodiment is molded into a pot shape, it is the preferred embodiment of the present embodiment,
Those skilled in the art will be appreciated that magnetic guiding frame ontology 1 can need to be molded into arbitrary shape according to practical cooking apparatus, and lead
Magnet 2 can be fitted in well on magnetic guiding frame ontology 1.In addition, unformed magnetic guiding frame ontology is also not limited to aluminium sheet, it can also
To be the plate of other metal materials.
7th step, after 2 punch forming of magnetic guiding frame ontology 1 and magnetizer, magnetic conductive device can be continued carry out punching, this
Structure chart in embodiment after the completion of punching can refer to Fig. 3, and the magnetic conductive device after punching is equipped with dress in neighboring and bottom
Distribution 21 is assembled using the convenient other elements in cooking apparatus of pilot hole 21.
It should be noted that the glue adhesive layer in the present invention is not limited to the silicone adhesive in the present embodiment, this field
Technical staff can be substituted for other adhesive materials such as epoxy resin.
Embodiment two
It is to apply magnetic conduction slurry 20 set on unformed good in embodiment one as shown in figure 4, being with the difference of embodiment one
It is to apply magnetic conduction slurry 20 to be set on molded good magnetic guiding frame ontology on magnetic guiding frame ontology, in the present embodiment, then molded
Good magnetic guiding frame body surface coating magnetic conduction slurry 20 is simultaneously formed by curing magnetizer 2.
It is specific:
In the first step and second step and embodiment one, magnetic particle and colloid are first mixed to form magnetic conduction slurry 20, then
The good aluminium sheet 10 of a piece of blanking is chosen, and blasting treatment is carried out to aluminium sheet 10, difference is:
Third step, the aluminium sheet 10 in the present embodiment after sandblasting, which is first placed into stamping die, carries out punch forming, is molded into
The magnetic guiding frame ontology 1 of pot shape；
Magnetic conduction slurry 20 is manually coated in magnetic guiding frame ontology 1 with brushing 33 or with clay coating machine by the 4th step automatically
On surface；
5th step, the magnetic conduction slurry 20 for allowing painting to be set on magnetic guiding frame ontology 1 places spontaneous curing at normal temperature, or carries out low
Temperature solidifies, consistent in cured Parameter Conditions and embodiment one.
The method of this preparation process is the advantage is that step is comparatively succinct, and magnetic conduction starches 20 after hardening no longer
Phenomena such as being squeezed, reducing cracking, can increase the service life of magnetizer 2.
Embodiment three
With reference to Fig. 5, the difference between this embodiment and the first embodiment lies in, the magnetizer 2 in the present embodiment is first curing molding
Afterwards, it is connected on molded magnetic guiding frame ontology 1, specific as follows:
The first step, it is similar with embodiment one, magnetic particle and colloid are first mixed into the magnetic conduction slurry 20 of slurry shape, and
Colloid not instead of silicone adhesive in the present embodiment, polyethylene alcohol and water, wherein the mass ratio of magnetic particle and polyvinyl alcohol is 10:
1, the mass ratio of the polyvinyl alcohol and water is 1:15, and the quality of this mass ratio, magnetic particle is just moderate, magnetic particle fraction
Excessively high, cost is opposite to be risen, and magnetic particle fraction is too low, will affect magnetic conductivity；Certainly, in other embodiments, magnetic particle and poly-
The mass ratio of vinyl alcohol can be 5:1 or 15:1, and the mass ratio of polyvinyl alcohol and water is 1:10 or 1:25；
It should be noted that polyvinyl alcohol is mixed with magnetic particle first, forms glue after mixing in this step hybrid technique
Then particle mixes glue particle with water so that the two is uniformly mixed, after glue particle meets water, viscosity increases, at this time magnetic
Grain preferably sticks wherein, and if first first mixed polyvinyl alcohol with water, after being easy to cause magnetic particle to be put into wherein not
It is easy stirring, the problem for causing mixing uneven；
Second step prepares a mold, is equipped with die cavity 41 in mold, and the shape of die cavity 41 can design according to the actual situation, will
Magnetic conduction slurry 20 in the first step is filled into die cavity by automatic double surface gluer 52；
Third step, due to perfusion, the upper surface simultaneously out-of-flatness of magnetic conduction slurry 20, at this time using perching knife 34 to magnetic conduction slurry 20
Upper surface flattened, or flattened using the equipment that strikes off in embodiment one；
4th step allows the magnetic conduction being filled into die cavity slurry 20 to place spontaneous curing at normal temperature, or carries out low-temperature setting,
It is consistent in cured Parameter Conditions and embodiment one, magnetizer 2, the shape and die cavity of magnetizer 2 are formed after 20 solidification of magnetic conduction slurry
41 shape is consistent, in the step, in advance forms magnetizer 2；
5th step, by good 10 punch forming of aluminium sheet of blanking at pot shape, to form magnetic guiding frame ontology 1, by the 4th step at
The good magnetizer 2 of type is adhered on magnetic guiding frame ontology 1；
It should be noted that magnetizer is not limited to be bonded when actual installation, it is also possible to be connected by a snap, example
Such as in second step, die cavity itself is designed with buckle, so that magnetic conduction slurry buckles for self-assembling formation one after hardening, so
Molding block button hole in the 5th step magnetic guiding frame ontology moulding process afterwards, buckle, which is installed in block button hole, when installation realizes connection,
And the difficulty that conventional magnetic stripe will make buckle is very big.Alternatively, two cylinders are designed in die cavity, so that leading in second step
Magnetic paint forms two through-holes after hardening, forms mounting hole on magnetic guiding frame in the 5th step magnetic guiding frame ontology moulding process, peace
When dress, screw passes through through-hole and is fixed on the mounting hole of magnetic guiding frame ontology.
In addition, it is necessary to illustrate, the equipment of middle use in above-mentioned several embodiments, such as abrasive blast equipment 6, clay coating machine
51, equipment 3, automatic double surface gluer 52 are struck off, perching knife 34 etc., the only preferred equipment in the present embodiment, in other embodiments, and
It is not limited to these types of equipment.
Claims (3)
1. a kind of magnetic conductive device, including magnetic guiding frame ontology and the magnetizer being located on magnetic guiding frame ontology, which is characterized in that described
Magnetizer includes magnetic particle and colloid, is formed by curing the magnetizer after magnetic particle and colloid mixing；The colloid includes glue
Adhesive layer, the magnetic particle are adhered on the glue adhesive layer, and the glue adhesive layer includes polyethylene alcohol and water, mixing
When, polyvinyl alcohol and magnetic particle are first mixed to form glue particle, then glue particle mix with water, the magnetic particle with gather
The mass ratio of vinyl alcohol is 5:1~15:1, and the mass ratio of the polyvinyl alcohol and water is 1:10~1:25.
2. a kind of method for preparing magnetic conductive device as described in claim 1, which comprises the steps of:
Step S1: magnetic particle being mixed to be put into mold with colloid carries out shaping solidification, and leading for specific shape is shaped to after solidification
Magnet；The colloid includes polyethylene alcohol and water, when mixing, polyvinyl alcohol and magnetic particle is first mixed to form glue particle, so
Glue particle is mixed with water afterwards, the mass ratio of the magnetic particle and polyvinyl alcohol is 5:1~15:1, the polyvinyl alcohol and water
Mass ratio be 1:10~1:25,
Step S2: the magnetizer after curing molding is bonded on magnetic guiding frame ontology.
3. the method for preparation magnetic conductive device as claimed in claim 2, which is characterized in that be cured as under room temperature certainly in step S1
So solidification；Or mold is placed in heating room and is heating and curing, the temperature of heating is 200 DEG C~250 DEG C.
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| CN201610765926.9A CN106252018B (en) | 2016-08-30 | 2016-08-30 | A kind of magnetic conductive device and the method for preparing the magnetic conductive device |
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| CN201610765926.9A CN106252018B (en) | 2016-08-30 | 2016-08-30 | A kind of magnetic conductive device and the method for preparing the magnetic conductive device |
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| CN106252018B true CN106252018B (en) | 2019-06-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3161673B2 (en) * | 1994-05-30 | 2001-04-25 | 松下電器産業株式会社 | Magnetic circuit unit for micro speaker and method of manufacturing the same |
| JPH10270160A (en) * | 1997-03-21 | 1998-10-09 | Mitsubishi Electric Corp | Induction heating coil device and its manufacture |
| CN101015416A (en) * | 2007-02-26 | 2007-08-15 | 岳泉 | Health-care stone pan |
| CN101980582B (en) * | 2010-11-04 | 2013-06-12 | 浙江绍兴苏泊尔生活电器有限公司 | Wire coil for induction cooker and preparation method of wire coil |
| CN102218861B (en) * | 2011-03-11 | 2014-04-16 | 杨联社 | Double high laminated concentrating flux plate and preparation method thereof |
| CN102920312B (en) * | 2012-11-02 | 2015-04-29 | 九阳股份有限公司 | Inner pot for electromagnetic induction heating cooker and processing method thereof |
| CN104223957B (en) * | 2013-06-20 | 2016-12-28 | 美的集团股份有限公司 | Magnetic conduction pot and preparation method thereof |
| CN103908148A (en) * | 2014-03-28 | 2014-07-09 | 佛山市顺德区美的电热电器制造有限公司 | Pan with composite bottom, manufacturing method of pan, and cooking utensil |
| CN204120837U (en) * | 2014-06-13 | 2015-01-28 | 佛山市顺德区美的电热电器制造有限公司 | Pot, electric cooker and rely on the grill pan tool of work about electric power |
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2016
- 2016-08-30 CN CN201610765926.9A patent/CN106252018B/en active Active
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|---|---|
| CN106252018A (en) | 2016-12-21 |
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