CN108053967A - A kind of bag magnetic assembly, column bag magnetic assembly and processing method - Google Patents
A kind of bag magnetic assembly, column bag magnetic assembly and processing method Download PDFInfo
- Publication number
- CN108053967A CN108053967A CN201711487153.3A CN201711487153A CN108053967A CN 108053967 A CN108053967 A CN 108053967A CN 201711487153 A CN201711487153 A CN 201711487153A CN 108053967 A CN108053967 A CN 108053967A
- Authority
- CN
- China
- Prior art keywords
- magnet
- coating
- magnetic
- magnetic assembly
- bag
- 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.)
- Withdrawn
Links
- 238000003672 processing method Methods 0.000 title claims abstract description 8
- 238000000576 coating method Methods 0.000 claims abstract description 114
- 239000011248 coating agent Substances 0.000 claims abstract description 113
- 239000000463 material Substances 0.000 claims abstract description 72
- 238000002347 injection Methods 0.000 claims description 74
- 239000007924 injection Substances 0.000 claims description 74
- 239000002131 composite material Substances 0.000 claims description 19
- 239000000835 fiber Substances 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 18
- 239000010935 stainless steel Substances 0.000 claims description 16
- 229910001220 stainless steel Inorganic materials 0.000 claims description 16
- 239000007769 metal material Substances 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 229910052799 carbon Inorganic materials 0.000 claims description 11
- 230000035699 permeability Effects 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 5
- 229920000049 Carbon (fiber) Polymers 0.000 claims 1
- 239000004917 carbon fiber Substances 0.000 claims 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 15
- 230000007797 corrosion Effects 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000000696 magnetic material Substances 0.000 abstract description 7
- 239000004033 plastic Substances 0.000 description 22
- 229920003023 plastic Polymers 0.000 description 22
- 230000000694 effects Effects 0.000 description 21
- 230000002411 adverse Effects 0.000 description 10
- 230000005389 magnetism Effects 0.000 description 7
- 238000005253 cladding Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000003754 machining Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000002633 protecting effect Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
-
- 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
Abstract
The invention belongs to magnetic material application technical fields, more particularly to a kind of bag magnetic assembly, column bag magnetic assembly and processing method, the bag magnetic assembly, there is magnetic work face on the magnet, coating is provided on the magnet, by including the magnetic work face closure, the coating is made the coating using the material for being not easy magnetic conduction.The bag magnetic assembly of the application, above-mentioned magnetic work face is sealed in by coating in, in this way, improving corrosion resistance, and then improve the service life；Particularly, in this application, coating is made using the material for being not easy magnetic conduction, can be reduced or even be avoided influence of the coating to magnet magnetic intensity, so, it is capable of providing stronger magnetic intensity, for the bag magnetic assembly for reaching same magnetic intensity requirement, using the structure of the application, the magnet of relatively low magnetic intensity grade may be employed, in this way, also greatly reduce the manufacture cost of bag magnetic assembly.
Description
Technical field
The invention belongs to magnetic material application technical fields, and in particular to a kind of bag magnetic assembly, column bag magnetic assembly and processing side
Method.
Background technology
With the development of technology, the use scope of magnet assembly is more and more extensive, such as applies to water pump technology, oil
In pump technical field.
In order to improve the corrosion resistance of magnet, extend magnet service life, in current technology scheme, typically use
Plastics are by magnet whole cladding, and for the cladding of magnet, and current art is completed using injection twice, and first time is molded magnet
Which part cladding, and form plastic stent, magnet expose portion is filled up completely plastics and completed by second of injection.
Although in magnet good can be coated on by above-mentioned injection molding manner, being capable of providing the corrosion resistance of magnet,
Also can extend the service life of magnet, still, with research and development further deeply, inventor has found, at present injection structure
Bag magnetic assembly is specific as follows to state still also there are defective：
Inventor has found that the plastics of magnet outer cladding, which can have the magnetic intensity of bag magnetic assembly, to be had an impact, specifically, bag magnetic group
The magnetic intensity of part can weaken with the increase of plastic thickness；And due to by Shooting Technique and selected plastic flow property limit
It makes, plastic plastic thickness is typically only capable in 1.0mm or so outside magnet.
It is typically to be completed in injection twice at present so in order to reduce plastic thickness to influence caused by magnetic intensity
Afterwards, plastic layer can be also machined, the plastic thickness of magnet outer cladding is reduced to 0.5mm, so, it is possible certain
Reduce influence of the plastic layer to the magnetic intensity of bag magnetic assembly in degree.
In further R ＆ D design, inventor has found, adopts in manner just described, since plastic layer is to magnetic intensity
Adverse effect still remains, so, for magnetic intensity requires higher bag magnetic assembly, above-mentioned mode is just no longer suitable
With.
So at present, there is an urgent need for design a kind of to reduce or clad is avoided to bring adverse effect to magnetic intensity
Bag magnetic assembly structure.
The content of the invention
It is an object of the invention to：For in current bag magnetic assembly structure, there are plastic layers to have magnetic intensity unfavorable shadow
Loud deficiency provides a kind of bag magnetic assembly structure that can reduce or clad is avoided to bring adverse effect to magnetic intensity.
In order to realize foregoing invention purpose, the present invention provides following technical schemes：
A kind of bag magnetic assembly including magnet, has magnetic work face, is provided with coating on the magnet on the magnet,
By including the magnetic work face closure, the coating is made the coating using the material for being not easy magnetic conduction.
The bag magnetic assembly of the application, magnetic work face are on magnet structure, for providing the surface of magnetic part, are made
Used time, magnetic work face coordinate with external structure, realize the magnetic output of magnet；The material for being not easy magnetic conduction of the application is to be not easy
To the material that magnet magnetism first impacts, optimal is un-conducted magnetic material, and when using un-conducted magnetic material, the setting of coating can
Not impacted first to the magnetism of magnet, in actual selection, according to practical service environment, using permeability as decision
Sexual factor considers the factors such as material cost and makes a choice, and for purposes of the present application, being not easy the permeability of magnetic conduction can adopt
Material with being less than or equal to or slightly larger than current plastic material magnetic conductivity, will be above-mentioned by coating in the application
In magnetic work face is sealed in, in this way, improving corrosion resistance, and then the service life is improved；Particularly, in this application, coating
It is made using the material for being not easy magnetic conduction, can reduce or even avoids influence of the coating to magnet magnetic intensity, in this way, more traditional
Structure for, using the bag magnetic assembly of the application, stronger magnetic intensity is capable of providing, moreover, also reducing to coating
The requirement of thickness, and then also simplify manufacturing process, further, the reduction that is adversely affected due to coating to magnetic intensity or
Person eliminates, and for the bag magnetic assembly for reaching same magnetic intensity requirement, using the structure of the application, relatively low magnetic may be employed
The magnet of property strength grade, in this way, also greatly reducing the manufacture cost of bag magnetic assembly.
Preferably, the material for being not easy magnetic conduction is less than or equal to 100 material for relative permeability.It can be significant
Reduce adverse effect of the coating to magnet magnetic intensity.
Preferably, the material for being not easy magnetic conduction is metal material.
Preferably, the material for being not easy magnetic conduction is stainless steel material.Above-mentioned, metal material and stainless steel material, tool
Have compared with more excellent intensity and/or rigidity for plastic material, in this way, thinner coating can be formed, further subtract
The small influence to magnet magnetism.
Another preferred, the material for being not easy magnetic conduction is carbon fibre material, fibre reinforced composites or particle enhance
Composite material.
Preferably, the thickness of the coating is 0.1-0.5mm.In said program, when covering using metal material or
Person's stainless steel material, when Carbon fibe material, fibre reinforced composites or particulate reinforced composite, due to good
Mechanical property and good machining property when being machined to 0.1-0.5mm, still with reliable intensity and have
Good sealing effect, so, described above, overburden cover is arranged on 0.1-0.5mm, is on the one hand that can ensure have
On the other hand good sealing effect also has lighter weight, can reduce the dead weight of bag magnetic assembly, moreover, also can be into
Influence of the reduction of one step to magnet magnetism.
Above-mentioned, stainless steel material, being capable of relatively reliable protecting to magnet also with good anti-corrosion ability
Shield；Carbon fibre material also has good structural strength and lighter weight, in this way, also further reducing coating to bag magnetic
The adverse effect that component is brought.
As a preferred embodiment, in the magnet is coated on by the coating.Entire magnet is all wrapped by coating
In overlaying on, the service life of bag magnetic assembly is helped to improve.
As another preferred embodiment, the bag magnetic assembly has further included injection molded layers, the injection molded layers match with the coating
It closes, the magnet is coated on interior.By the cooperation of coating and injection molded layers, entire magnet is all coated for mode described above
Inside, it helps improve the service life of bag magnetic assembly.
Preferably, the injection molded layers are plastic material.Facilitate and be arranged on plastics on magnet by way of injection.
It is further preferred that the cover layer edges are embedded in the injection molded layers.In this way, using injection molded layers in injection
Mobility, cover layer edges are embedded in injection molded layers, are facilitated the seal for ensureing to be connected between coating and injection molded layers, and then are improved
To the sealing effect of magnet or magnetic work face.
Disclosed herein as well is a kind of column bag magnetic assembly,
Including magnet, the magnet is hollow column structure, and the interior sidewall surface of the magnet is mounting surface or magnetic work
Face, the outer side surface of the magnet is magnetic work face or mounting surface, is provided with coating on the magnetic work face, institute
Coating is stated to be made using the material for being not easy magnetic conduction.Described above, the column bag magnetic assembly of the application, by being not easy magnetic conduction
Material be used as coating covering magnetic work face, improve magnet corrosion resistance, while improving the service life, also reduce
Manufacture difficulty, reduces cost.
Preferably, the coating is metal material, carbon fibre material, fibre reinforced composites or particle enhance again
Condensation material.
Preferably, the coating is stainless steel material.Stainless steel material is used, but also coating has good resist
Corrosion ability particularly in moist operating mode, has more obvious anti-corrosion ability advantage.
Preferably, the thickness of the coating is 0.1-0.5mm.In the present embodiment, when coating uses metal material
Either stainless steel material or when carbon fibre material, fibre reinforced composites or particulate reinforced composite, due to having
Good mechanical property and good machining property, when being machined to 0.1-0.5mm, still with reliable intensity, with
And with good sealing effect, so, described above, overburden cover is arranged on 0.1-0.5mm, is on the one hand that can protect
Card has good sealing effect, on the other hand also has lighter weight, can reduce the dead weight of bag magnetic assembly, moreover,
The influence to magnet magnetism can further be reduced.
Preferably, the coating is tubular.
Preferably, injection molded layers are additionally provided on the mounting surface of the magnet, the injection molded layers are covered on the mounting surface,
And extend along the end of the magnet, the end of the magnet is coated in, be between the injection molded layers and the coating
Sealing cooperation.Entire magnet is all wrapped by, and is further improved the resistance to corrosion of magnet, is also further improved the longevity of magnet
Life.
Preferably, the edge of the coating is behind the edge of the magnet, the one side towards where the mounting surface
Bending forms wing side.Cover layer edges bend certain angle towards the direction of mounting surface, form wing side, and the setting on wing side improves
The reliability connected between coating and magnet.
Preferably, the wing side is embedded in the injection molded layers.On the one hand it is to improve injection molded layers in wing side insertion injection molded layers
Sealing effect between coating, on the other hand also improves the stability of coating, in another aspect, also improving injection molded layers
Stability.
Preferably, the column bag magnetic assembly further includes axis, and the interior sidewall surface of the magnet is mounting surface, the magnet
Outer side surface is the working face, and the magnet is arranged on the shaft, is led between the interior sidewall surface of the axis and the magnet
The mode of injection is crossed, is formed with the injection molded layers.
The column bag magnetic assembly of the application can be rotor assembly in practice column, for example, directly after axis is set
It connects and applies in motor or pump class device, by the way of injection, magnet is fixed on axis, is on the one hand to facilitate processing,
It ensure that the reliability connected between magnet and axis；On the other hand, while disposing a magnet on axis, injection is yet formed
Layer, injection molded layers and coating coordinate, magnet is coated in, so, also ensure to the good protecting effect of magnet.
A kind of processing method of bag magnetic assembly, comprises the following steps：
Coating is set on the magnetic work face of magnet, and the coating is made using the material for being not easy magnetic conduction A,；
B, injection molded layers, the injection molded layers and the coating are formed by way of injection on the magnetic mounting surface of the magnet
Between for sealing cooperation.
Preferably, the magnet is hollow tubular structure, and the coating is tubular, and the coating is set in described
On the magnetic work face of magnet, in the step A, the edge of the coating is behind the edge of the magnet, towards institute
The one side bending where mounting surface is stated, forms wing side, in the step B, the wing side is embedded in the injection molded layers.
Preferably, the bag magnetic assembly has further included axis, in the step B, first by there is provided the magnet sets of coating
If on the shaft, being then molded between the working face and the axis of the magnet, injection molded layers, the injection molded layers are formed
It is secure fit between the magnet and the axis.
Compared with prior art, beneficial effects of the present invention：
The bag magnetic assembly of the application, magnetic work face are on magnet structure, for providing the surface of magnetic part, are being used
When, magnetic work face coordinates with external structure, realizes the magnetic output of magnet；In the application, by coating by above-mentioned magnetic
In sex work face is sealed in, in this way, improving corrosion resistance, and then the service life is improved；Particularly, in this application, coating is adopted
With being made for magnetic conduction is not easy, it can reduce or even avoid influence of the coating to magnet magnetic intensity, in this way, more traditional structure
For, using the bag magnetic assembly of the application, stronger magnetic intensity is capable of providing, moreover, also reducing to overburden cover
It is required that and then also simplify manufacturing process, further, the reduction that is adversely affected due to coating to magnetic intensity or disappear
It removes, for the bag magnetic assembly for reaching same magnetic intensity requirement, using the structure of the application, may be employed relatively low magnetic strong
The magnet of grade is spent, in this way, also greatly reducing the manufacture cost of bag magnetic assembly.
Description of the drawings：
Fig. 1 is the structure diagram of bag magnetic assembly one of which embodiment；
Fig. 2 is the structure diagram of bag magnetic assembly one of which embodiment；
Fig. 3 is the structure diagram after column bag magnetic assembly coordinates with axis,
It is indicated in figure：1- magnets, 2- coatings, 3- injection molded layers, 4- magnetic works face, 5- mounting surfaces, 6- wings side, 7- axis.
Specific embodiment
With reference to test example and specific embodiment, the present invention is described in further detail, but should not understand this
Following embodiment is only limitted to for the scope of the above-mentioned theme of the present invention, it is all that this is belonged to based on the technology that present invention is realized
The scope of invention.
Embodiment 1, such as Fig. 1 or 2,
A kind of bag magnetic assembly including magnet 1, has magnetic work face 4, covering is provided on the magnet 1 on the magnet 1
Layer 2, in the magnetic work face 4 is enclosed in by the coating 2, the coating 2 is made using the material for being not easy magnetic conduction.
The bag magnetic assembly of the application, magnetic work face 4 is in 1 structure of magnet, for providing the surface of magnetic part,
In use, magnetic work face 4 coordinates with external structure, the magnetic output of magnet 1 is realized；The material for being not easy magnetic conduction of the application is
It is not easy to the magnetic material first impacted of magnet 1, it is optimal for un-conducted magnetic material, when using un-conducted magnetic material, coating 2
The magnetism of magnet 1 can not first be impacted by setting, in actual selection, according to practical service environment, with permeability
As deciding factor, consider the factors such as material cost and make a choice, for purposes of the present application, be not easy the material magnetic conductance of magnetic conduction
Rate may be employed the material being less than or equal to or slightly larger than current plastic material magnetic conductivity, in the application, pass through coating 2
In above-mentioned magnetic work face 4 is sealed in, in this way, improving corrosion resistance, and then the service life is improved；Particularly, in the application
In, coating 2 is made using the material for being not easy magnetic conduction, can be reduced or even be avoided shadow of the coating 2 to 1 magnetic intensity of magnet
It rings, in this way, for more traditional structure, using the bag magnetic assembly of the application, is capable of providing stronger magnetic intensity, moreover, also
The requirement to 2 thickness of coating is reduced, and then also simplifies manufacturing process, further, since coating 2 is to magnetic intensity
The reduction or elimination of adverse effect, for the bag magnetic assembly for reaching same magnetic intensity requirement, using the knot of the application
Structure, may be employed the magnet 1 of relatively low magnetic intensity grade, in this way, also greatly reducing the manufacture cost of bag magnetic assembly.
Further, the material for being not easy magnetic conduction is less than or equal to 100 material for relative permeability.It can be notable
Reduce coating 2 to the adverse effect of 1 magnetic intensity of magnet.
Further, the material for being not easy magnetic conduction is metal material.
Further, the material for being not easy magnetic conduction is stainless steel material.Above-mentioned, metal material and stainless steel material,
With compared with more excellent intensity and/or rigidity for plastic material, in this way, thinner coating 2 can be formed, further
Reduce the influence magnetic to magnet 1.
Another preferred, the material for being not easy magnetic conduction is carbon fibre material, fibre reinforced composites or particle enhance
Composite material.
Further, the thickness of the coating 2 is 0.1-0.5mm.In said program, when covering is using metal material
It is good due to having either when stainless steel material Carbon fibe material, fibre reinforced composites or particulate reinforced composite
Mechanical property and good machining property, when being machined to 0.1-0.5mm, still with reliable intensity and tool
There is good sealing effect, so, described above, 2 thickness of coating is arranged on 0.1-0.5mm, is on the one hand that can ensure
With good sealing effect, on the other hand also there is lighter weight, the dead weight of bag magnetic assembly can be reduced, moreover, also can
Enough further influences reduced to 1 magnetism of magnet.
Above-mentioned, stainless steel material, being capable of the relatively reliable progress to magnet 1 also with good anti-corrosion ability
Protection；Carbon fibre material also has good structural strength and lighter weight, in this way, it is right also further to reduce coating 2
The adverse effect that bag magnetic assembly is brought.
As a preferred embodiment, in the magnet 1 is coated on by the coating 2.It is by coating 2 that entire magnet 1 is complete
In portion is coated on, the service life of bag magnetic assembly is helped to improve.
As another preferred embodiment, the bag magnetic assembly has further included injection molded layers 3, the injection molded layers 3 and 2 phase of coating
The magnet 1 is coated on interior by cooperation.Mode described above, by the cooperation of coating 2 and injection molded layers 3, by entire magnet 1
In being all coated on, it helps improve the service life of bag magnetic assembly.
Further, the injection molded layers 3 are plastic material.Facilitate and be arranged on plastics on magnet 1 by way of injection.
Further, 2 edge of coating is embedded in the injection molded layers 3.In this way, using injection molded layers 3 in injection
Mobility, 2 edge of coating are embedded in injection molded layers 3, facilitate the seal for ensureing to be connected between coating 2 and injection molded layers 3, and then
Improve the sealing effect to magnet 1 or magnetic work face 4.
Embodiment 2, as shown in Figures 2 and 3：
A kind of column bag magnetic assembly, including magnet 1, the magnet 1 be hollow column structure, the interior sidewall surface of the magnet 1
Outer side surface for either 4 magnet 1 of magnetic work face of mounting surface 5 is magnetic work face 4 or mounting surface 5, in the magnetic
Coating 2 is provided on sex work face 4, the coating 2 is made using the material for being not easy magnetic conduction.Described above, this Shen
Column bag magnetic assembly please is used as coating 2 by the material for being not easy magnetic conduction and covers magnetic work face 4, improves magnet 1
Corrosion resistance while improving the service life, also reduces manufacture difficulty, reduces cost.
Further, the coating 2 is metal material, carbon fibre material, fibre reinforced composites or particle increase
Strong composite material.
Further, the coating 2 is stainless steel material.Stainless steel material is used, but also coating 2 has well
Resistant to rust ability, particularly in moist operating mode, have more obvious anti-corrosion ability advantage.
Further, the thickness of the coating 2 is 0.1-0.5mm.In the present embodiment, when coating 2 uses metal
Material either stainless steel material or when carbon fibre material, fibre reinforced composites or particulate reinforced composite, due to
With good mechanical property and good machining property, when being machined to 0.1-0.5mm, still have reliable strong
It spends and with good sealing effect, so, described above, 2 thickness of coating is arranged on 0.1-0.5mm, is on the one hand
It can ensure that there is good sealing effect, on the other hand also there is lighter weight, the dead weight of bag magnetic assembly can be reduced, and
And it also can further reduce the influence magnetic to magnet 1.
Further, the coating 2 is tubular.
Further, injection molded layers 3 are additionally provided on the mounting surface 5 of the magnet 1, the injection molded layers 3 are covered in the peace
On dress face 5, and extend along the end of the magnet 1, the end of the magnet 1 is coated in, the injection molded layers 3 are covered with described
It is sealing cooperation between cap rock 2.Entire magnet 1 is all wrapped by, and further improves the resistance to corrosion of magnet 1, also further
Improve the service life of magnet 1.
Further, the edge of the coating 2 is behind the edge of the magnet 1, where towards the mounting surface 5
One side is bent, and forms wing side 6.2 edge of coating bends certain angle towards the direction of mounting surface 5, forms wing side 6, wing side 6 is set
It puts, improves the reliability connected between coating 2 and magnet 1.
Further, the wing side 6 is embedded in the injection molded layers 3.Wing side 6 is embedded in injection molded layers 3, is on the one hand improved
Sealing effect between injection molded layers 3 and coating 2, on the other hand also improves the stability of coating 2, in another aspect, also carrying
The high stability of injection molded layers 3.
Further, the column bag magnetic assembly further includes axis 7, and the interior sidewall surface of the magnet 1 is mounting surface 5, described
The outer side surface of magnet 1 is the working face, and the magnet 1 is set on the axis 7, the inside of the axis 7 and the magnet 1
Between wall surface by way of injection, the injection molded layers 3 are formed with.
The column bag magnetic assembly of the application can be rotor assembly in practice column, for example, directly after axis 7 is set
It connects and applies in motor or pump class device, by the way of injection, magnet 1 is fixed on axis 7, be on the one hand to facilitate to add
Work ensure that the reliability connected between magnet 1 and axis 7；On the other hand, while magnet 1 is arranged on axis 7, shape is gone back
Into injection molded layers 3, injection molded layers 3 coordinate with coating 2, magnet 1 is coated in, so, also ensure to 1 good protection of magnet
Effect.
Embodiment 3, as shown in Figs. 1-3：
A kind of processing method of bag magnetic assembly, comprises the following steps：
Coating 2 is set on the magnetic work face 4 of magnet 1, and the coating 2 is made using the material for being not easy magnetic conduction A,；
B, injection molded layers 3 are formed by way of injection on the magnetic mounting surface 5 of the magnet 1, the injection molded layers 3 are covered with described
It is sealing cooperation between cap rock 2.
Further, the magnet 1 is hollow tubular structure, and the coating 2 is tubular, and the coating 2 is arranged
On the magnetic work face 4 of the magnet 1, in the step A, the edge of the coating 2 is beyond the side of the magnet 1
After edge, towards the one side bending where the mounting surface 5, wing side 6 is formed, in the step B, the wing side 6 is embedded in the note
It moulds in layer 3.
Further, the bag magnetic assembly has further included axis 7, in the step B, first by there is provided the magnetic of coating 2
Body 1 is set on the axis 7, is then molded between the working face of the magnet 1 and the axis 7, forms injection molded layers 3,
It is secure fit between the injection molded layers 3 and the magnet 1 and the axis 7.
Above example is only to illustrate the present invention and not limits technical solution described in the invention, although this explanation
Book is with reference to above-mentioned each embodiment to present invention has been detailed description, but the present invention is not limited to above-mentioned specific implementation
Mode, therefore any modify to the present invention or equivalent substitution；And the technical side of all spirit and scope for not departing from invention
Case and its improvement, should be covered by the scope of the claims of the present invention.
Claims (19)
1. a kind of bag magnetic assembly, including magnet, it is characterised in that：There is magnetic work face, on the magnet on the magnet
Coating is provided with, the coating is by including the magnetic work face closure, and the coating is using the material for being not easy magnetic conduction
It is made.
2. bag magnetic assembly according to claim 1, it is characterised in that：The material for being not easy magnetic conduction is small for relative permeability
In or equal to 100 material.
3. bag magnetic assembly according to claim 1, it is characterised in that：The material for being not easy magnetic conduction is metal material.
4. bag magnetic assembly according to claim 1, it is characterised in that：The material for being not easy magnetic conduction for stainless steel material,
Carbon fibre material, fibre reinforced composites or particulate reinforced composite.
5. according to the bag magnetic assembly described in claim 1-4 any one, it is characterised in that：The coating is by the magnet bag
In overlaying on.
6. according to the bag magnetic assembly described in claim 1-4 any one, it is characterised in that：The bag magnetic assembly has further included note
Layer is moulded, the injection molded layers are engaged with the coating, the magnet are coated on interior.
7. bag magnetic assembly according to claim 6, it is characterised in that：The thickness of the coating is 0.1-0.5mm.
8. bag magnetic assembly according to claim 6, it is characterised in that：The cover layer edges are embedded in the injection molded layers.
9. a kind of column bag magnetic assembly, including magnet, it is characterised in that：The magnet be hollow column structure, the magnet
Interior sidewall surface be that the outer side surface of the mounting surface either magnetic work face magnet is magnetic work face or mounting surface,
Coating is provided on the magnetic work face, the coating is tubular, and the coating is using the material system for being not easy magnetic conduction
.
10. column bag magnetic assembly according to claim 9, it is characterised in that：The coating is metal material, carbon fiber
Material, fibre reinforced composites or particulate reinforced composite.
11. column bag magnetic assembly according to claim 10, it is characterised in that：The coating is stainless steel material.
12. column bag magnetic assembly according to claim 9, it is characterised in that：The thickness of the coating is 0.1-
0.5mm。
13. the column bag magnetic assembly according to claim 9-12 any one, it is characterised in that：The mounting surface of the magnet
On be additionally provided with injection molded layers, the injection molded layers are covered on the mounting surface, and along the magnet end extend, by the magnetic
It is sealing cooperation between the injection molded layers and the coating in the end of body is coated on.
14. column bag magnetic assembly according to claim 13, it is characterised in that：The edge of the coating is beyond described
Behind the edge of magnet, towards the one side bending where the mounting surface, wing side is formed.
15. column bag magnetic assembly according to claim 14, it is characterised in that：The wing side is embedded in the injection molded layers.
16. column bag magnetic assembly according to claim 13, it is characterised in that：Further include axis, the madial wall of the magnet
Face is mounting surface, and the outer side surface of the magnet is the working face, and the magnet is arranged on the shaft, the axis with it is described
Between the interior sidewall surface of magnet by way of injection, the injection molded layers are formed with.
17. a kind of processing method of bag magnetic assembly, it is characterised in that：Comprise the following steps：
Coating is set on the magnetic work face of magnet, and the coating is made using the material for being not easy magnetic conduction A,；
B, injection molded layers, the injection molded layers and the coating are formed by way of injection on the magnetic mounting surface of the magnet
Between for sealing cooperation.
18. processing method according to claim 17, it is characterised in that：The magnet is hollow tubular structure, described
Coating is tubular, and the coating is set on the magnetic work face of the magnet, in the step A, the coating
Edge behind the edge of the magnet, towards the one side bending where the mounting surface, wing side is formed, in the step B
In, the wing side is embedded in the injection molded layers.
19. processing method according to claim 18, it is characterised in that：The bag magnetic assembly has further included axis, described
In step B, to be first arranged there is provided the magnets of coating on the shaft, then the magnet working face and the axis it
Between be molded, formed injection molded layers, between the injection molded layers and the magnet and the axis be secure fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711487153.3A CN108053967A (en) | 2017-12-29 | 2017-12-29 | A kind of bag magnetic assembly, column bag magnetic assembly and processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711487153.3A CN108053967A (en) | 2017-12-29 | 2017-12-29 | A kind of bag magnetic assembly, column bag magnetic assembly and processing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108053967A true CN108053967A (en) | 2018-05-18 |
Family
ID=62129745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711487153.3A Withdrawn CN108053967A (en) | 2017-12-29 | 2017-12-29 | A kind of bag magnetic assembly, column bag magnetic assembly and processing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108053967A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108520812A (en) * | 2018-06-11 | 2018-09-11 | 成都银河磁体股份有限公司 | A kind of encapsulated magnet and its manufacturing method |
| CN108768105A (en) * | 2018-06-11 | 2018-11-06 | 成都银河磁体股份有限公司 | A kind of rotor assembly manufacturing process |
| CN110093646A (en) * | 2019-04-26 | 2019-08-06 | 厦门建霖健康家居股份有限公司 | A kind of electro-plating method of magnetic structure |
| CN112204353A (en) * | 2018-05-30 | 2021-01-08 | 蒂森克虏伯普利斯坦股份公司 | Sensor device for detecting the rotational position of a rotating shaft with an injection-molded encoder magnet |
| CN110093646B (en) * | 2019-04-26 | 2024-04-26 | 厦门建霖健康家居股份有限公司 | Electroplating method of magnetic attraction structure |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005295722A (en) * | 2004-04-01 | 2005-10-20 | Seiko Precision Inc | Rotor and motor with this rotor |
| CN101286660A (en) * | 2008-05-09 | 2008-10-15 | 宁波韵升高科磁业有限公司 | Permanent magnetic rotor for high-speed electric machine and manufacturing method therefor |
| CN102361385A (en) * | 2011-10-13 | 2012-02-22 | 中国船舶重工集团公司第七○五研究所 | Brushless direct current motor |
| CN202206201U (en) * | 2011-11-16 | 2012-04-25 | 宁波韵升粘结磁体有限公司 | Rare-earth injection molding magnetic body for high-speed electric machine of centrifugal compressor |
| CN103023175A (en) * | 2011-09-20 | 2013-04-03 | 信浓绢糸株式会社 | Rotor of motor, method of producing the rotor, inner rotor-type brushless motor and method of producing the motor |
| CN103368300A (en) * | 2012-03-26 | 2013-10-23 | 珠海格力电器股份有限公司 | Motor permanent magnet fixing structure, motor permanent magnet fixing method and motor comprising the structure |
| CN105656229A (en) * | 2014-11-11 | 2016-06-08 | 杭州三花研究院有限公司 | Electronic pump and manufacturing method thereof |
| CN207611656U (en) * | 2017-12-29 | 2018-07-13 | 成都银河磁体股份有限公司 | A kind of packet magnetic assembly and column packet magnetic assembly |
-
2017
- 2017-12-29 CN CN201711487153.3A patent/CN108053967A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005295722A (en) * | 2004-04-01 | 2005-10-20 | Seiko Precision Inc | Rotor and motor with this rotor |
| CN101286660A (en) * | 2008-05-09 | 2008-10-15 | 宁波韵升高科磁业有限公司 | Permanent magnetic rotor for high-speed electric machine and manufacturing method therefor |
| CN103023175A (en) * | 2011-09-20 | 2013-04-03 | 信浓绢糸株式会社 | Rotor of motor, method of producing the rotor, inner rotor-type brushless motor and method of producing the motor |
| CN102361385A (en) * | 2011-10-13 | 2012-02-22 | 中国船舶重工集团公司第七○五研究所 | Brushless direct current motor |
| CN202206201U (en) * | 2011-11-16 | 2012-04-25 | 宁波韵升粘结磁体有限公司 | Rare-earth injection molding magnetic body for high-speed electric machine of centrifugal compressor |
| CN103368300A (en) * | 2012-03-26 | 2013-10-23 | 珠海格力电器股份有限公司 | Motor permanent magnet fixing structure, motor permanent magnet fixing method and motor comprising the structure |
| CN105656229A (en) * | 2014-11-11 | 2016-06-08 | 杭州三花研究院有限公司 | Electronic pump and manufacturing method thereof |
| CN207611656U (en) * | 2017-12-29 | 2018-07-13 | 成都银河磁体股份有限公司 | A kind of packet magnetic assembly and column packet magnetic assembly |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112204353A (en) * | 2018-05-30 | 2021-01-08 | 蒂森克虏伯普利斯坦股份公司 | Sensor device for detecting the rotational position of a rotating shaft with an injection-molded encoder magnet |
| CN108520812A (en) * | 2018-06-11 | 2018-09-11 | 成都银河磁体股份有限公司 | A kind of encapsulated magnet and its manufacturing method |
| CN108768105A (en) * | 2018-06-11 | 2018-11-06 | 成都银河磁体股份有限公司 | A kind of rotor assembly manufacturing process |
| CN110093646A (en) * | 2019-04-26 | 2019-08-06 | 厦门建霖健康家居股份有限公司 | A kind of electro-plating method of magnetic structure |
| CN110093646B (en) * | 2019-04-26 | 2024-04-26 | 厦门建霖健康家居股份有限公司 | Electroplating method of magnetic attraction structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108053967A (en) | A kind of bag magnetic assembly, column bag magnetic assembly and processing method | |
| CN207611656U (en) | A kind of packet magnetic assembly and column packet magnetic assembly | |
| Wilkerson | Self-maps of classifying spaces | |
| CN207829024U (en) | A kind of combined manhole cover | |
| CN103872818B (en) | Inner permanent magnetic synchronous motor | |
| CN207691667U (en) | A kind of magnetomotive power-assisted tumbler | |
| CN208806670U (en) | A kind of built-in type permanent-magnet rotor structure and magneto | |
| CN207124497U (en) | Rotor sheath, rotor and high-speed permanent magnet motor | |
| CN207459850U (en) | Rotor assembly and electronic water pump motor | |
| CN203228469U (en) | NdFeB magnet with double protecting coatings | |
| CN109818440A (en) | A kind of powder low-torque pulsation permanent magnet reluctance-synchronous machine rotor structure | |
| CN207475321U (en) | A kind of automobile permanent magnet brushless direct current motor | |
| CN106487197B (en) | A kind of belt coil intelligent power generation ball | |
| CN208797696U (en) | A kind of compound permanent magnet of synchronous magnetoelectric machine rotor | |
| CN205298685U (en) | Check valve and have its compressor | |
| CN210608713U (en) | Novel magnetic shoe | |
| CN105405570B (en) | The magnetization method of compressor Agglutinate neodymium-iron-boron annular magnet | |
| CN206134408U (en) | Bonding neodymium iron boron magnetism body that non -corrosibility ability is good | |
| CN206320067U (en) | A kind of magnetic drive pump pump shaft of composite | |
| CN207518397U (en) | A kind of novel aluminum alloy outer shell of motor | |
| CN206164180U (en) | Motion self -charging ball | |
| CN206524741U (en) | A kind of rotor segment dislocation type permanent-magnet synchronous sinusoidal drive motor | |
| CN110867982B (en) | Magnetic steel protection structure for brush DC torque motor stator and forming method thereof | |
| CN205135253U (en) | Prefabricated window board that joint strength is high | |
| CN205610919U (en) | A ferrite ends of earth magnetic ring for stereo set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180518 |
|
| WW01 | Invention patent application withdrawn after publication |