CN208998541U - The smelting apparatus of Nd Fe B alloys - Google Patents
The smelting apparatus of Nd Fe B alloys Download PDFInfo
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- CN208998541U CN208998541U CN201821692789.1U CN201821692789U CN208998541U CN 208998541 U CN208998541 U CN 208998541U CN 201821692789 U CN201821692789 U CN 201821692789U CN 208998541 U CN208998541 U CN 208998541U
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Abstract
The utility model discloses a kind of smelting apparatus of Nd Fe B alloys, it is characterized in that, it include the crucible for the cylindrical structure being vertically arranged, coaxial sleeve be set to inside the crucible liner, be sheathed on the electromagnetic coil and supersonic generator of the liner periphery, the ultrasonic vibration bar of the supersonic generator protrudes into inside the liner.The utility model uses electromagnetic heating first, when material temperature reaches 700 DEG C or more in crucible, opens supersonic generator.Alloy temperature and homogenization of composition are made by the mode of electromagnetic agitation combination ultrasonic vibration, to achieve the purpose that fast melting.
Description
Technical field
The utility model relates to Nd-Fe-B permanent magnet material processing technique fields.More specifically, the utility model relates to one
The smelting apparatus of kind Nd Fe B alloys.
Background technique
Nd Fe B alloys are strongest permanent magnets magnetic now, and in traditional melting Nd Fe B alloys, Fe is in neodymium iron boron
Content is big in alloy and fusing point is higher, finally can just be completely melt.Since smelting time is too long, temperature is excessively high to easily cause rare earth to wave
Hair increases production cost, and in conventional melting technique, and the uniformity of each ingredient mixing of molten liquid is poor.Separately have, usually exists
In fusion process, the temperature of point molten metal is higher, and the shell of existing smelting apparatus does not have thermal resistance, heat insulating function, big portion
Divide heat to be lost by the shell of smelting apparatus, causes energy loss larger, further increase smelting time, greatly reduce molten
Refine device working efficiency.
Utility model content
One purpose of the utility model is to solve at least the above problems, and provide the advantages of at least will be described later.
There are one the smelting apparatus that purpose is to provide a kind of Nd Fe B alloys, the utility model to use first for the utility model
Electromagnetic heating opens supersonic generator when material temperature reaches 700 DEG C or more in crucible.Ultrasound is combined by electromagnetic agitation
The mode of vibration makes alloy temperature and homogenization of composition, to achieve the purpose that fast melting；The utility model is in liner simultaneously
It is provided with resistance mechanism between crucible, reduces the loss of heat, reduces the loss of energy in fusion process, shortens melting
Time improves the working efficiency of the utility model.
In order to realize these purposes and other advantages according to the present utility model, a kind of melting of Nd Fe B alloys is provided
Device comprising liner that the crucible of cylindrical structure, coaxial sleeve are set to inside the crucible is sheathed on the liner periphery
The ultrasonic vibration bar of electromagnetic coil and supersonic generator, the supersonic generator protrudes into inside the liner.
Preferably, the smelting apparatus of the Nd Fe B alloys further includes resistance mechanism, is located at the bottom of the crucible
Between face and the bottom surface of the liner, the resistance mechanism includes:
Box body is transparent cylindrical structure；
First thermal insulation layer is located in the box body, and the first thermal insulation layer includes about two layers stacked aluminium-foil paper, water
About two between two layers of aluminium-foil paper stacked cystosepiments of prosposition and multiple the be located between two cystosepiments
One spring；It is equipped with a steel mesh between any cystosepiment and the adjacent aluminium-foil paper, is filled in the gap of the steel mesh
There is glass fibre cotton；Any first spring is vertically arranged and both ends are fixedly connected with two cystosepiments respectively；
Second thermal insulation layer is located in the box body and is located at immediately below the first thermal insulation layer, the second thermal insulation layer
Including refractory ceramics piece, the flexible asbestos pile layer being coated on outside the potsherd and it is coated on poly- outside asbestos pile layer
Carbonic ester plastic layer, the polycarbonate plastic outer surface are equipped with one layer of nano metal bisque；
Air bag is located at below the box body, and the two sides of the air bag are equipped with air inlet and gas outlet, and the air inlet is logical
It crosses air inlet pipe to be connected to the gas outlet of external carbon dioxide tank, the gas outlet passes through the air inlet of escape pipe and carbon dioxide tank
Mouth connection；
Multiple second springs, between the air bag and the inner wall of the crucible, any second spring is perpendicular
Directly it is arranged and both ends is fixedly connected with the air bag and the crucible respectively.
Preferably, the smelting apparatus of the Nd Fe B alloys, the first thermal insulation layer and the second thermal insulation layer
Thickness ratio is 1:1.5.
Preferably, the inner wall of the smelting apparatus of the Nd Fe B alloys, the bottom surface of the box body and the box body is sliding
It is dynamic to connect, two sliding slots extended along the vertical direction, the two sides of the bottom surface of the box body are symmetrically arranged on the inner wall of the box body
It is respectively equipped with a convex block, a convex block sliding is arranged in the sliding slot.
Preferably, the smelting apparatus of the Nd Fe B alloys passes through between the top surface of the box body and the liner
Adhesive layer connection.
Preferably, the top side of the smelting apparatus of the Nd Fe B alloys, the liner is equipped with temperature sensor,
The other side is equipped with battery, and the probe of the temperature sensor protrudes into inside the liner, the electromagnetic coil and the electric power storage
Pond electrical connection.
Preferably, the smelting apparatus of the Nd Fe B alloys further includes controller, the temperature sensor with it is described
Battery is electrically connected with the controller.
Preferably, the smelting apparatus of the Nd Fe B alloys is equipped with one layer on the periphery inner wall of the crucible
Glass fibre cotton.
The utility model is include at least the following beneficial effects:
1, the liner of the utility model is for accommodating the electromagnetic coil to melting raw material, first by setting outside the tank
It is heated, when the temperature of the raw material in liner reaches 700 DEG C or more, opens supersonic generator.It is combined by electromagnetic agitation
The mode of ultrasonic vibration makes alloy temperature and homogenization of composition, to achieve the purpose that fast melting；
2, the utility model is provided with resistance mechanism between liner and crucible, reduces the loss of heat, reduces molten
The loss of energy during refining shortens smelting time, improves the working efficiency of the utility model；Aluminium-foil paper has the work of heat reflection
With the heat being radiated on box body top surface is reflected back in liner, two cystosepiments and is arranged in multiple between cystosepiment
First spring has the function of damping sound-absorbing, to avoid in fusion process material liquid concussion to crucible generate shake influence,
It is impaired so as to cause crucible, shorten the service life of crucible, cystosepiment and the first spring are arranged between aluminium-foil paper can be improved
The stability of the utility model in use, extends the service life of crucible；Further first thermal insulation layer further includes setting
The steel mesh between cystosepiment and aluminium-foil paper, and the glass fibre cotton being filled between steel mesh are set, first thermal insulation layer is multilayer
Sandwich structure, steel mesh can be improved the physical strength of first thermal insulation layer itself, while filling glass is fine at the hole of steel mesh
Vinylon and cotton blend can securely support filled layer, to further increase first since tolerance of the glass fibre cotton for high temperature is extremely strong
The physical strength of thermal insulation layer, avoids first thermal insulation layer from being damaged by high temperature or external force；
3, second thermal insulation layer is arranged in the lower section of first thermal insulation layer in the utility model, and potsherd has further heat-insulated work
With reducing the loss of heat as far as possible, flexible asbestos pile layer has certain damping sound absorption, and saying in a way can also be with
Influence of the external forces to liner is reduced, also can reduce the influence of shaking of the material liquid to crucible；Polycarbonate plastic
With preferable thermal resistance effect, nano metal bisque is mixed to form by the nanometer iron powder and nanometer aluminium powder of certain mass ratio, is had
High-intensitive, impact resistance and high-damping sound-absorbing noise reduction function, while with that can achieve the effect that increase second thermal insulation layer intensity, it receives simultaneously
The metal powder of meter level also has both antibacterial anti-fungi performance；
4, air bag is set in the lower section of box body, in this practical use process, carbon dioxide gas is continuously filled with into air bag,
Carbon dioxide has extremely strong heat absorption capacity, is stored up by the partial heat that first thermal insulation layer and second thermal insulation layer are lost by air bag
It deposits, further decreases the loss of heat, while air bag also has the function of bumper and absorbing shock, further increase the steady of the utility model
It is qualitative；The setting of multiple second springs can arbitrarily adjust the gas flow being filled in air bag according to the needs in use process, work as original
When material temperature degree is not very high, gas can not be filled with into air bag, at this point, second spring is nature elongation state；Work as material temperature
When higher, heat exists across the possibility of first thermal insulation layer and second thermal insulation layer, and carbon dioxide gas is filled with into air bag, this
When, second spring is compressed downwardly；Second spring also has the function of certain bumper and absorbing shock；
5, the bottom surface of box body is flexibly connected with box body ontology, can further improve the spirit of control inside air bag gas charge
Activity separately has the buffering anti-seismic performance that resistance mechanism can be improved；
6, setting temperature sensor is capable of the temperature of material liquid inside real-time monitoring liner, is controlled according to the temperature of monitoring
The work of electromagnetic coil；The degree of automation that controller improves the utility model is set；
7, the inner wall of the periphery of crucible is laid with glass fibre cotton and is further reduced heat losses.
The further advantage, target and feature of the utility model will be partially reflected by the following instructions, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the smelting apparatus structural schematic diagram of the utility model Nd Fe B alloys in one embodiment；
Fig. 2 is the smelting apparatus structural schematic diagram of the utility model Nd Fe B alloys in another embodiment.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and embodiments, to enable those skilled in the art
Refer to the instruction text can be implemented accordingly.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein are not discharged one or more
The presence or addition of a other elements or combinations thereof.
It should be noted that experimental method described in following embodiments is unless otherwise specified conventional method, institute
Reagent and material are stated, unless otherwise specified, is commercially obtained.
In the description of the present invention, term " transverse direction ", " longitudinal direction ", "upper", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom", "inner", "outside" be orientation based on the figure or
Positional relationship is merely for convenience of describing the present invention and simplifying the description, and is not the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
As shown in Figure 1, the utility model provides a kind of smelting apparatus of Nd Fe B alloys comprising the cylinder being vertically arranged
Liner 2 that the crucible 1 of body structure, coaxial sleeve are set to inside the crucible 1 is sheathed on the peripheral electromagnetic coil 3 of the liner 2
And supersonic generator 4, the ultrasonic vibration bar 5 of the supersonic generator 4 protrude into inside the liner 2.
In the above-mentioned technical solutions, its ultrasonic frequency of supersonic generator 4 be 20kHz~33kHz, power be 500~
1500W, ultrasonic vibration bar tip amplitude are 2 μm~50 μm；Nd Fe B alloys raw material to melting is put into liner 2, electromagnetism
Liner 2 is heated in the energization of coil 3, when aluminium alloy temperature reaches 700 DEG C or more in liner 2, opens supersonic generator
4, ultrasonic vibration bar 5 carries out ultrasonic vibration to aluminium alloy, in conjunction with the stirring action of electromagnetic coil 3 so that the temperature of aluminium alloy and
Ingredient quickly homogenizes, to achieve the purpose that fast melting, avoids the volatilization of rare earths material caused by long-time high temperature, drop
Low production cost.
As shown in Fig. 2, in another technical solution, the smelting apparatus of the Nd Fe B alloys, which is characterized in that also
Including resistance mechanism, it is located between the bottom surface of the crucible 1 and the bottom surface of the liner 2, the resistance mechanism includes:
Box body 61 is transparent cylindrical structure；
First thermal insulation layer 62 is located in the box body 61, and the first thermal insulation layer 62 includes about two layers stacked aluminium
The stacked cystosepiment of foil paper, about two be positioned horizontally between two layers of aluminium-foil paper and it is multiple be located at two cystosepiments it
Between the first spring；A steel mesh, the gap of the steel mesh are equipped between any cystosepiment and the adjacent aluminium-foil paper
In be filled with glass fibre cotton；Any first spring is vertically arranged and both ends are fixed with two cystosepiments connect respectively
It connects；Cystosepiment herein is cystosepiment resistant to high temperature, and the bubble of suitable material can be chosen according to the maximum temperature of aluminium alloy when melting
Foam plate；
Second thermal insulation layer 63 is located in the box body 61 and is located at immediately below the first thermal insulation layer 62, described second
Thermal insulation layer 63 includes refractory ceramics piece, the flexible asbestos pile layer being coated on outside the potsherd and is coated on asbestos pile layer
External polycarbonate plastic, the polycarbonate plastic outer surface is equipped with one layer of nano metal bisque；
Air bag 64, is located at 61 lower section of the box body, and the two sides of the air bag 64 are equipped with air inlet and gas outlet, it is described into
Port be connected to by air inlet pipe 642 with the gas outlet of external carbon dioxide tank 641, the gas outlet pass through escape pipe 643 and
The air inlet of carbon dioxide tank 641 is connected to；
Multiple second springs 65, between the air bag 64 and the inner wall of the crucible 1, any second spring
65 are vertically arranged and both ends are fixedly connected with the air bag 64 and the crucible 1 respectively.
In the above-mentioned technical solutions, the utility model is provided with resistance mechanism between liner 2 and crucible 1, reduces heat
The loss of amount reduces the loss of energy in fusion process, shortens smelting time, improves the working efficiency of the utility model；Aluminium
Foil paper has the function of heat reflection, and the heat being radiated on 61 top surface of box body is reflected back in liner 2, two cystosepiments and sets
Multiple first springs set between cystosepiment have the function of damping sound-absorbing, to avoid the material liquid concussion pair in fusion process
Crucible 1 generates the influence shaken, impaired so as to cause crucible 1, shortens the service life of crucible 1, and bubble is arranged between aluminium-foil paper
Foam plate and the first spring can be improved the stability of the utility model in use, extend the service life of crucible 1；Into one
The first thermal insulation layer 62 of step further includes the steel mesh being arranged between cystosepiment and aluminium-foil paper, and the glass being filled between steel mesh
Cellucotton, first thermal insulation layer 62 are the structure of multilayer sandwiched, and steel mesh can be improved the physical strength of first thermal insulation layer 62 itself, together
When at the hole of steel mesh filled glass fiber cotton can securely be propped up since tolerance of the glass fibre cotton for high temperature is extremely strong
It supports filled layer and avoids first thermal insulation layer 62 by high temperature or outer masterpiece to further increase the physical strength of first thermal insulation layer 62
With and be damaged；
Second thermal insulation layer 63 is arranged in the lower section of first thermal insulation layer 62 in the utility model, and potsherd has further heat-insulated
Effect reduces the loss of heat as far as possible, and flexible asbestos pile layer has certain damping sound absorption, and saying in a way can also
To reduce influence of the external forces to liner 2, the influence of shaking of the material liquid to crucible 1 also can reduce；Polycarbonate modeling
The bed of material has preferable thermal resistance effect, and nano metal bisque is mixed to form by the nanometer iron powder and nanometer aluminium powder of certain mass ratio,
With high-intensitive, impact resistance and high-damping sound-absorbing noise reduction function, while with can achieve the effect that increase by 63 intensity of second thermal insulation layer,
Nanoscale metal powder also has both antibacterial anti-fungi performance simultaneously；
Air bag 64 is set in the lower section of box body 61, in this practical use process, is continuously filled with carbon dioxide into air bag 64
Gas, carbon dioxide have extremely strong heat absorption capacity, the partial heat being lost by first thermal insulation layer 62 and second thermal insulation layer 63
It is stored by air bag 64, further decreases the loss of heat, while air bag 64 also has the function of bumper and absorbing shock, further increase this
The stability of utility model；The setting of multiple second springs 65 can arbitrarily be adjusted in air bag 64 according to the needs in use process fills
The gas flow entered can not be filled with gas into air bag 64 when material temperature is not very high, at this point, second spring 65 is nature
Elongation state；When material temperature is higher, heat exists across the possibility of first thermal insulation layer 62 and second thermal insulation layer 63, to gas
It is filled with carbon dioxide gas in capsule 64, at this point, second spring 65 is compressed downwardly；Also there is second spring 65 certain buffering to subtract
The effect of shake.
In another technical solution, the smelting apparatus of the Nd Fe B alloys, the first thermal insulation layer 62 with it is described
The thickness ratio of second thermal insulation layer 63 is 1:1.5.Based on heat reflection, second thermal insulation layer 63 is first thermal insulation layer 62 with thermal resistance is heat-insulated
It is main, guaranteeing respective function maximumlly simultaneously, as far as possible reduction equipment cost.
In another technical solution, the smelting apparatus of the Nd Fe B alloys, the bottom surface of the box body 61 with it is described
The inner wall of box body 61 is slidably connected, and two sliding slots extended along the vertical direction are symmetrically arranged on the inner wall of the box body 61, described
The two sides of the bottom surface of box body 61 are respectively equipped with a convex block, and a convex block sliding is arranged in the sliding slot.Box body
61 bottom surface is flexibly connected with 61 ontology of box body, can further improve the flexibility of control 64 internal gas charge of air bag, separately
There is the buffering anti-seismic performance that resistance mechanism can be improved.
In another technical solution, the smelting apparatus of the Nd Fe B alloys, the top surface of the box body 61 with it is described
It is connected between liner 2 by adhesive layer.Realization box body 61 is fixedly connected with 2 bottom surface of liner.
In another technical solution, the top side of the smelting apparatus of the Nd Fe B alloys, the liner 2 is equipped with
Temperature sensor 7, the other side are equipped with battery 8, and the probe 71 of the temperature sensor 7 protrudes into inside the liner 2, the electricity
Magnetic coil is electrically connected with the battery 8.The temperature that temperature sensor 7 is capable of material liquid inside real-time monitoring liner 2 is set,
The work of electromagnetic coil 3 is controlled according to the temperature of monitoring.
In another technical solution, the smelting apparatus of the Nd Fe B alloys further includes controller 9, the temperature
Sensor 7 is electrically connected with the controller 9 with the battery 8.The automation journey that controller 9 improves the utility model is set
Degree.
In another technical solution, the smelting apparatus of the Nd Fe B alloys, on the periphery inner wall of the crucible 1
It is equipped with layer of glass cotton 11.The inner wall of the periphery of crucible 1 is laid with glass fibre cotton 11 and is further reduced heat losses.
Number of devices and treatment scale described herein are the explanations for simplifying the utility model.To the utility model
Application, modifications and variations will be readily apparent to persons skilled in the art.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (8)
1. the smelting apparatus of Nd Fe B alloys, which is characterized in that it includes the crucible of cylindrical structure, coaxial sleeve set on the earthenware
Liner inside crucible, the electromagnetic coil and supersonic generator for being sheathed on the liner periphery, the supersonic generator
Ultrasonic vibration bar protrudes into inside the liner.
2. the smelting apparatus of Nd Fe B alloys as described in claim 1, which is characterized in that further include resistance mechanism, be located at
Between the bottom surface of the crucible and the bottom surface of the liner, the resistance mechanism includes:
Box body is transparent cylindrical structure；
First thermal insulation layer is located in the box body, and the first thermal insulation layer includes about two layers stacked aluminium-foil paper, horizontal position
About two stacked cystosepiments and multiple the first bullets being located between two cystosepiments between two layers of aluminium-foil paper
Spring；It is equipped with a steel mesh between any cystosepiment and the adjacent aluminium-foil paper, is filled with glass in the gap of the steel mesh
Glass cellucotton；Any first spring is vertically arranged and both ends are fixedly connected with two cystosepiments respectively；
Second thermal insulation layer is located in the box body and is located at immediately below the first thermal insulation layer, and the second thermal insulation layer includes
Refractory ceramics piece, the flexible asbestos pile layer being coated on outside the potsherd and the poly- carbonic acid being coated on outside asbestos pile layer
Ester plastic layer, the polycarbonate plastic outer surface are equipped with one layer of nano metal bisque；
Air bag is located at below the box body, and the two sides of the air bag are equipped with air inlet and gas outlet, the air inlet by into
Tracheae is connected to the gas outlet of external carbon dioxide tank, and the gas outlet is connected by the air inlet of escape pipe and carbon dioxide tank
It is logical；
Multiple second springs, between the air bag and the inner wall of the crucible, any second spring is to set vertically
It sets and both ends is fixedly connected with the air bag and the crucible respectively.
3. the smelting apparatus of Nd Fe B alloys as claimed in claim 2, which is characterized in that the first thermal insulation layer and described the
The thickness ratio of two thermal insulation layers is 1:1.5.
4. the smelting apparatus of Nd Fe B alloys as claimed in claim 3, which is characterized in that the bottom surface of the box body and the box
The inner wall of body is slidably connected, and two sliding slots extended along the vertical direction are symmetrically arranged on the inner wall of the box body, the box body
The two sides of bottom surface are respectively equipped with a convex block, and a convex block sliding is arranged in the sliding slot.
5. the smelting apparatus of Nd Fe B alloys as claimed in claim 4, which is characterized in that the top surface of the box body with it is described interior
It is connected between gallbladder by adhesive layer.
6. the smelting apparatus of Nd Fe B alloys as claimed in claim 5, which is characterized in that the top side of the liner is equipped with
Temperature sensor, the other side are equipped with battery, and the probe of the temperature sensor protrudes into inside the liner, the electromagnetic coil
It is electrically connected with the battery.
7. the smelting apparatus of Nd Fe B alloys as claimed in claim 6, which is characterized in that it further include controller, the temperature
Sensor is electrically connected with the controller with the battery.
8. the smelting apparatus of Nd Fe B alloys as claimed in claim 7, which is characterized in that on the periphery inner wall of the crucible
It is equipped with layer of glass cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821692789.1U CN208998541U (en) | 2018-10-18 | 2018-10-18 | The smelting apparatus of Nd Fe B alloys |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821692789.1U CN208998541U (en) | 2018-10-18 | 2018-10-18 | The smelting apparatus of Nd Fe B alloys |
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| Publication Number | Publication Date |
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| CN208998541U true CN208998541U (en) | 2019-06-18 |
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ID=66804194
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| CN201821692789.1U Active CN208998541U (en) | 2018-10-18 | 2018-10-18 | The smelting apparatus of Nd Fe B alloys |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111871351A (en) * | 2020-08-10 | 2020-11-03 | 邵武永太高新材料有限公司 | Lithium fluoride ultrasonic dynamic reaction crystallization process and ultrasonic dynamic reaction crystallization equipment thereof |
| CN114121473A (en) * | 2021-11-15 | 2022-03-01 | 江苏科技大学 | Sintered neodymium iron boron magnet rapid hardening sheet casting device and method thereof |
-
2018
- 2018-10-18 CN CN201821692789.1U patent/CN208998541U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111871351A (en) * | 2020-08-10 | 2020-11-03 | 邵武永太高新材料有限公司 | Lithium fluoride ultrasonic dynamic reaction crystallization process and ultrasonic dynamic reaction crystallization equipment thereof |
| CN114121473A (en) * | 2021-11-15 | 2022-03-01 | 江苏科技大学 | Sintered neodymium iron boron magnet rapid hardening sheet casting device and method thereof |
| CN114121473B (en) * | 2021-11-15 | 2024-03-12 | 江苏科技大学 | Sintered NdFeB magnet rapid hardening sheet casting device and method |
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