CN203170931U - Novel vacuum melting rapid-hardening melt-spinning furnace - Google Patents
Novel vacuum melting rapid-hardening melt-spinning furnace Download PDFInfo
- Publication number
- CN203170931U CN203170931U CN 201320111931 CN201320111931U CN203170931U CN 203170931 U CN203170931 U CN 203170931U CN 201320111931 CN201320111931 CN 201320111931 CN 201320111931 U CN201320111931 U CN 201320111931U CN 203170931 U CN203170931 U CN 203170931U
- Authority
- CN
- China
- Prior art keywords
- furnace
- vacuum chamber
- induction heating
- control system
- frequency induction
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Continuous Casting (AREA)
Abstract
Provided is a novel vacuum melting rapid-hardening melt-spinning furnace. According to the novel vacuum melting rapid-hardening melt-spinning furnace, a round cover body is formed on the upper portion of the front portion of a vacuum box body, a discharging door is arranged on the tail portion of the vacuum box body, a medium-frequency induction heating system is arranged in the vacuum box body, a furnace tilting mechanism is connected with the medium-frequency induction heating system, a tundish is connected with the furnace tilting mechanism, a cooling roll is connected with the tundish, a water cooling disk is connected with the cooling roll, a material smashing mechanism is arranged in the water cooling disk, a hydraulic power pack is arranged on one side of the vacuum box body, the furnace tilting mechanism, the material smashing mechanism and a cover opening mechanism are respectively connected with the hydraulic power pack, the medium-frequency induction heating system, the hydraulic power pack and a vacuumizing unit are respectively connected with a master control system, an air cooling unit is connected with the water cooling disk, a water circulating system is connected with the cooling roll and the water cooling disk, and is connected with the master control system, the cover opening mechanism is arranged at one end of the bottom of the vacuum box body, and the master control system is arranged at the other end of the bottom of the vacuum box body. The novel vacuum melting rapid-hardening melt-spinning furnace can produce alloy slices which are even in size and thickness in a rapid-melting and rapid-hardening mode in the vacuum box body, and is high in production efficiency.
Description
Technical field
The utility model relates to the Metal Melting technical field, is specially a kind of novel evacuated melting rapid hardening spun furnace.
Background technology
In recent years, along with the technological progress of electronic information, automobile and machinery manufacturing industry, the rare earth functional material obtains fast development.Neodymium iron boron magnetic body has become the major impetus in the whole rare earth of pulling market as rare earth functional material with fastest developing speed; In all trades and professions, obtain application more and more widely, become indispensable backing material in the many modern industrial technologies, particularly electronics and information industry.But the alloy melting of Nd-Fe-B magnetic material and foundry engieering are one of key factors that influences the comprehensive magnetic property of neodymium iron boron magnetic body; In the alloy melting of Nd-Fe-B magnetic material and foundry engieering, get rid of the band operation and all play fundamental influence for follow-up powder process operation, magnetic field orientating operation and sintering circuit, deal with improperly if get rid of the band joint, will bring material impact to the performance of Nd-Fe-B magnetic material.
Sintered NdFeB is a kind of permanent-magnet material, from making the angle of permanent-magnet material, wishes to get rid of not have the dendritic crystalline substance of thick α-Fe in the strap tissue; The plasticity of the dendritic crystalline substance of α-Fe is better, makes to get rid of strap and be difficult to fragmentation, causes difficulty to pulverizing process; Need prolong sintering time simultaneously to obtain uniform Nd
2Fe
14The B crystal.Get rid of and have the rich Nd phase of lumps in the strap tissue, rich Nd evenly distribution mutually in the time of then can influencing sintering.Therefore, getting rid of the desirable microscopic structure of strap should be that no a-Fe exists, and Nd
2Fe
14The B main phase grain is tiny, and rich Nd is evenly distributed mutually.Yet the speed of chill roll can not accurately be controlled in traditional spun furnace, causes chill roll one side demagnetizing curve to occur significantly subsiding, and shows that cooling rate is too high; May also have the remaining amorphous of part at subsides roll surface opposite side; The alloy shrinkage rate is low, and the alloying component skewness, contains the gas flow height, also contains simultaneously to be mingled with, and has a-Fe to exist in the microscopic structure, has a strong impact on the quality of neodymium iron boron magnetic body.
The utility model content
The technical problem that the utility model solves is to provide a kind of novel evacuated melting rapid hardening spun furnace, to solve the shortcoming in the above-mentioned background technology.
The technical problem that the utility model solves realizes by the following technical solutions:
A kind of novel evacuated melting rapid hardening spun furnace comprises vacuum chamber, Frequency Induction Heating system, vacuumizes unit, furnace tilting mechanism, hydraulic power unit, air-cooled unit, circulation, tundish, chill roll, cap-opening mechanism, smashes material mechanism, general control system, aqueous cold plate; Wherein, the top of vacuum chamber front portion has the dome body, is used for feeding in raw material, and its afterbody is provided with discharge door; The Frequency Induction Heating system is arranged in the vacuum chamber, and furnace tilting mechanism is connected with the Frequency Induction Heating system, and tundish is connected with furnace tilting mechanism; Chill roll is connected with tundish, and aqueous cold plate is connected with chill roll, smashes material mechanism and is arranged in the aqueous cold plate; Hydraulic power unit is arranged on vacuum chamber one side; Furnace tilting mechanism, smash material mechanism and cap-opening mechanism and be connected with hydraulic power unit respectively; Frequency Induction Heating system, hydraulic power unit, evacuator group are connected with general control system respectively; Air-cooled unit is connected with aqueous cold plate; Circulation is connected with aqueous cold plate with chill roll, and is connected with general control system; Cap-opening mechanism is arranged on vacuum chamber bottom one end, and general control system is arranged on the vacuum chamber bottom other end.
In the utility model, vacuum chamber adopts the vertical double water-cooling structure, and anterior semicircular in shape, and the rear portion is square; Simultaneously be provided with a plurality of adpting flanges in the vacuum chamber side, be used for vacuumizing, inlet wire, intake, fill protective gas.
In the utility model, the Frequency Induction Heating system comprises intermediate frequency power supply, medium frequency converter, smelting furnace, and the smelting furnace inductor side of employing copper pipe twines.
In the utility model, furnace tilting mechanism comprises the PID cyclelog, and speed is toppled in PID cyclelog segmentation control, and the liquation of pouring out can at the uniform velocity be poured in the tundish according to the sheet thickness of setting, thereby obtains thickness alloy sheet relatively uniformly.
In the utility model, hydraulic power unit adopts gear pump, for furnace tilting mechanism, smash material mechanism and cap-opening mechanism provides reliable and stable power source.
In the utility model, air-cooled unit carries out air cooling to the alloy sheet in the aqueous cold plate on the one hand, and the whole argon gas to vacuum chamber cools off on the other hand.
In the utility model, circulation comprises refrigeration compressor, and refrigeration compressor provides temperature relatively low water-cooled source for chill roll and aqueous cold plate.
In the utility model, after aqueous cold plate stir to be pulverized alloy sheet, the chronic normal temperature state that is cooled to again.
In the utility model, cap-opening mechanism is by four hydraulic cylinders and move and cover motor and form, and its task is mobile dome body.
In the utility model, general control system comprises master controller and frequency converter cabinet, wherein master controller is provided with button, knob, power adjusting potentiometer, master controller is the control core of this equipment, realize the normal operation of entire equipment by master controller, equipment running status shows at master controller, has reduced user's operation easier and intensity to a great extent.
In the utility model, the tundish nozzle adopts high temperature mullite fiber plate to make.
In the utility model, smelting furnace in the Frequency Induction Heating system is enclosed in the vacuum chamber, the eddy current heat of utilizing electromagnetic induction to produce is done thermal source, under vacuum or inert gas state, alloy raw material is outgased, melts and cast by furnace tilting mechanism, after solidifying rapidly on the chill roll, lower the temperature at a slow speed again on aqueous cold plate is condensed into normal temperature state and the uniform alloy sheet of big or small thin and thick to alloy through tundish.Alloy raw material keeps full liquid condition in vacuum chamber, effectively improves the alloy shrinkage rate, and alloying component accurately and be evenly distributed, to contain gas flow few; Eliminating simultaneously ɑ-Fe effectively generates.
Beneficial effect: the eddy current heat that the utility model utilizes electromagnetic induction to produce in vacuum chamber is done thermal source, and the melting rapid hardening generates the uniform alloy sheet of big or small thin and thick, production efficiency height with alloy raw material fast under vacuum or inert gas state; Alloy raw material keeps full liquid condition in vacuum chamber, effectively improves the alloy shrinkage rate, and eliminates the a-Fe that exists in the microscopic structure, thereby improves the quality of iron boron magnet.
Description of drawings
Fig. 1 is the vertical view of the utility model preferred embodiment.
Fig. 2 is the front view of the utility model preferred embodiment.
Fig. 3 is the rearview of the utility model preferred embodiment.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
A kind of novel evacuated melting rapid hardening spun furnace referring to Fig. 1, Fig. 2, Fig. 3 comprises vacuum chamber 1, Frequency Induction Heating system 2, vacuumizes unit 3, furnace tilting mechanism 4, hydraulic power unit 5, air-cooled unit 6, circulation 7, tundish 8, chill roll 9, cap-opening mechanism 10, smashes material mechanism 11, general control system 12, aqueous cold plate 13.
In the present embodiment, the top of vacuum chamber 1 front portion has the dome body, is used for feeding in raw material, and its afterbody is provided with discharge door; Frequency Induction Heating system 2 is arranged in the vacuum chamber 1, and furnace tilting mechanism 4 is connected with Frequency Induction Heating system 2, and tundish 8 is connected with furnace tilting mechanism 4; Chill roll 9 is connected with tundish 8, and aqueous cold plate 13 is connected with chill roll 9, smashes material mechanism 11 and is arranged in the aqueous cold plate 13; Hydraulic power unit 5 is arranged on vacuum chamber 1 one sides; Furnace tilting mechanism 4, smash material mechanism 11 and cap-opening mechanism 10 and be connected with hydraulic power unit 5 respectively; Frequency Induction Heating system 2, hydraulic power unit 5, vacuumize unit 3 and be connected with general control system 12 respectively; Air-cooled unit 6 is connected with aqueous cold plate 13; Circulation 7 is connected with aqueous cold plate 13 with chill roll 9, and is connected with general control system 12; Cap-opening mechanism 10 is arranged on vacuum chamber 1 bottom one end, and general control system 12 is arranged on the vacuum chamber 1 bottom other end.
In the present embodiment, vacuum chamber 1 adopts the vertical double water-cooling structure, and anterior semicircular in shape, and the rear portion is square; Simultaneously be provided with a plurality of adpting flanges in vacuum chamber 1 side.
In the present embodiment, Frequency Induction Heating system 2 comprises intermediate frequency power supply, medium frequency converter, smelting furnace, and the smelting furnace inductor side of employing copper pipe twines.
In the present embodiment, furnace tilting mechanism 4 comprises the PID cyclelog, and speed is toppled in PID cyclelog segmentation control, and the liquation of pouring out can at the uniform velocity be poured in the tundish 8 according to the sheet thickness of setting, thereby obtains thickness alloy sheet relatively uniformly.
In the present embodiment, hydraulic power unit 5 adopts gear pumps, for furnace tilting mechanism 4, smash material mechanism 11 and cap-opening mechanism 10 provides reliable and stable power source.
In the present embodiment, air-cooled unit 6 carries out air cooling to the alloy sheet in the aqueous cold plate 13 on the one hand, and the whole argon gas to vacuum chamber 1 cools off on the other hand.
In the present embodiment, circulation 7 comprises refrigeration compressor, and refrigeration compressor provides temperature relatively low water-cooled source for chill roll 9 and aqueous cold plate 13.
In the present embodiment, after aqueous cold plate 13 stir to be pulverized alloy sheet, the chronic normal temperature state that is cooled to again.
In the present embodiment, cap-opening mechanism 10 is by four hydraulic cylinders and move and cover motor and form, and its task is mobile dome body.
In the present embodiment, general control system 12 comprises master controller and frequency converter cabinet, wherein master controller is provided with button, knob, power adjusting potentiometer, master controller is the control core of this equipment, realize the normal operation of entire equipment by master controller, equipment running status shows at master controller, has reduced user's operation easier and intensity to a great extent.
In the present embodiment, tundish 8 nozzles adopt high temperature mullite fiber plate to make.
In the present embodiment, smelting furnace in the Frequency Induction Heating system 2 is enclosed in the vacuum chamber 1, the eddy current heat of utilizing electromagnetic induction to produce is done thermal source, under vacuum or inert gas state, alloy raw material is outgased, melts and cast by furnace tilting mechanism 4, after solidifying rapidly on the chill roll 9, lower the temperature at a slow speed again on aqueous cold plate 13 is condensed into normal temperature state and the uniform alloy sheet of big or small thin and thick to alloy through tundish 8.Alloy raw material keeps full liquid condition in vacuum chamber 1, effectively improves the alloy shrinkage rate, and alloying component accurately and be evenly distributed, to contain gas flow few; Eliminating simultaneously ɑ-Fe effectively generates.
More than show and described basic principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (7)
1. novel evacuated melting rapid hardening spun furnace comprises vacuum chamber, Frequency Induction Heating system, vacuumizes unit, furnace tilting mechanism, hydraulic power unit, air-cooled unit, circulation, tundish, chill roll, cap-opening mechanism, smashes material mechanism, general control system, aqueous cold plate; It is characterized in that the top of vacuum chamber front portion has the dome body, its afterbody is provided with discharge door; The Frequency Induction Heating system is arranged in the vacuum chamber, and furnace tilting mechanism is connected with the Frequency Induction Heating system, and tundish is connected with furnace tilting mechanism; Chill roll is connected with tundish, and aqueous cold plate is connected with chill roll, smashes material mechanism and is arranged in the aqueous cold plate; Hydraulic power unit is arranged on vacuum chamber one side; Furnace tilting mechanism, smash material mechanism and cap-opening mechanism and be connected with hydraulic power unit respectively; Frequency Induction Heating system, hydraulic power unit, evacuator group are connected with general control system respectively; Air-cooled unit is connected with aqueous cold plate; Circulation is connected with aqueous cold plate with chill roll, and is connected with general control system; Cap-opening mechanism is arranged on vacuum chamber bottom one end, and general control system is arranged on the vacuum chamber bottom other end.
2. a kind of novel evacuated melting rapid hardening spun furnace according to claim 1 is characterized in that, vacuum chamber adopts the vertical double water-cooling structure, and anterior semicircular in shape, and the rear portion is square; Simultaneously be provided with a plurality of adpting flanges in the vacuum chamber side.
3. a kind of novel evacuated melting rapid hardening spun furnace according to claim 1 is characterized in that the Frequency Induction Heating system comprises intermediate frequency power supply, medium frequency converter, smelting furnace.
4. a kind of novel evacuated melting rapid hardening spun furnace according to claim 1 is characterized in that furnace tilting mechanism comprises the PID cyclelog.
5. a kind of novel evacuated melting rapid hardening spun furnace according to claim 1 is characterized in that circulation comprises refrigeration compressor.
6. a kind of novel evacuated melting rapid hardening spun furnace according to claim 1 is characterized in that, cap-opening mechanism is by four hydraulic cylinders and move and cover motor and form.
7. a kind of novel evacuated melting rapid hardening spun furnace according to claim 1 is characterized in that general control system comprises master controller and frequency converter cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320111931 CN203170931U (en) | 2013-03-13 | 2013-03-13 | Novel vacuum melting rapid-hardening melt-spinning furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320111931 CN203170931U (en) | 2013-03-13 | 2013-03-13 | Novel vacuum melting rapid-hardening melt-spinning furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203170931U true CN203170931U (en) | 2013-09-04 |
Family
ID=49067685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320111931 Expired - Fee Related CN203170931U (en) | 2013-03-13 | 2013-03-13 | Novel vacuum melting rapid-hardening melt-spinning furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203170931U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105772661A (en) * | 2014-12-26 | 2016-07-20 | 中国科学院宁波材料技术与工程研究所 | Quick alloy solidification equipment and quick alloy solidification method using same |
-
2013
- 2013-03-13 CN CN 201320111931 patent/CN203170931U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105772661A (en) * | 2014-12-26 | 2016-07-20 | 中国科学院宁波材料技术与工程研究所 | Quick alloy solidification equipment and quick alloy solidification method using same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106935350B (en) | A kind of anisotropy SmCo5Type rare earth permanent-magnetic material and preparation method | |
| CN105489334B (en) | A kind of method that grain boundary decision obtains magnetic sintered NdFeB high | |
| CN104637642B (en) | A kind of SmCo sintered permanent magnet material and preparation method thereof | |
| CN102693799B (en) | Electromagnetically-solidified and hot-pressed nanocrystalline magnet of permanent magnet rapidly-quenched ribbon and preparation method of electromagnetically-solidified and hot-pressed nanocrystalline magnet | |
| CN107316726A (en) | A kind of preparation method of sintered samarium cobalt magnet | |
| EP1395381B1 (en) | Centrifugal casting method und centrifugal casting apparatus | |
| CN105121682B (en) | Raw material alloy for R-T-B magnet and method for producing same | |
| CN106298138B (en) | The manufacture method of rare-earth permanent magnet | |
| CN103680919B (en) | A kind of preparation method of the high anti-corrosion sintered Nd-Fe-B permanent magnet of tough height of high-coercive force | |
| CN103060658B (en) | Preparation process for sintering 1kg-5.5kg of neodymium iron boron permanent magnetic material | |
| CN102543341B (en) | Method for preparing anisotropic nanocrystalline rare-earth permanent magnet block material | |
| CN106067358A (en) | A kind of magnetic powder particle and preparation method thereof | |
| CN102699294B (en) | Electromagnetic solidification Nd-Fe-B permanent magnet rapid-solidification sheet and preparation method thereof | |
| CN105006327A (en) | High-performance Gd containing cast sheet magnet and preparation method thereof | |
| CN102982935A (en) | Permanent magnetic material without heavy rare earth and hot-pressing preparation method thereof | |
| CN203170931U (en) | Novel vacuum melting rapid-hardening melt-spinning furnace | |
| CN104821226A (en) | Method for making high-square-degree sintered NdFeB permanent magnets with cerium, titanium, cobalt and zirconium compound additive | |
| CN109216007A (en) | A kind of preparation process of samarium-cobalt magnet | |
| CN101844219A (en) | A kind of preparation method of block nanometer composite R-Fe-B-M permanent-magnet material | |
| CN114121473B (en) | Sintered NdFeB magnet rapid hardening sheet casting device and method | |
| CN105189805B (en) | Raw material alloy for R-T-B magnet | |
| CN105070448A (en) | High-performance cerium-containing cast sheet magnet and preparation method thereof | |
| CN105070447A (en) | High-performance holmium-containing cast sheet magnet and preparation method thereof | |
| JP3561692B2 (en) | Structure control method for rare earth element-containing alloy, alloy powder and magnet using the same | |
| CN108246992B (en) | Method for preparing fine-grain rare earth alloy cast sheet and rotary cooling roller device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20210313 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |