CN103971924B - Magnetic crystallization furnace - Google Patents
Magnetic crystallization furnace Download PDFInfo
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- CN103971924B CN103971924B CN201410191417.0A CN201410191417A CN103971924B CN 103971924 B CN103971924 B CN 103971924B CN 201410191417 A CN201410191417 A CN 201410191417A CN 103971924 B CN103971924 B CN 103971924B
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- heating clamber
- cooling chamber
- magnetic
- collecting barrel
- material collecting
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Abstract
The invention belongs to magnetic process equipment, be specifically related to a kind of magnetic crystallization furnace, comprise heating clamber and cooling chamber, described heating clamber is communicated with cooling chamber; Be communicated with heating clamber for the feeding box supplying raw material; Be communicated with a seal cavity of the common formation of described heating clamber, cooling chamber, feeding box and material collecting barrel with cooling chamber for the material collecting barrel of collecting the material after crystallization; Also comprise for described seal cavity is inflated, the air valve of exhaust. Seal cavity is vacuumized and pass into the heating and cooling that nitrogen is magnetic vacuum anaerobic environment is provided, because heating clamber and cooling chamber are communicated with, therefore magnetic can directly enter cooling chamber from heating clamber, guarantee magnetic in transfer process also all the time in vacuum anaerobic environment.
Description
Technical field
The invention belongs to magnetic process equipment, be specifically related to a kind of magnetic crystallization furnace.
Background technology
Magnetic is the raw material for compression moulding magnetic base, and the production technology of magnetic is comparatively loaded down with trivial details, wherein magneticCrystallization process be that magnetic produces a technique indispensable step, the step of magnetic crystallization is as follows: headFirst under the environment of vacuum anaerobic, magnetic is heated, then right under vacuum anaerobic environment equallyMagnetic after heating carries out cooling rapidly, thereby makes magnetic temperature decrease produce crystalline polamer. From upperStating step can find out, two Key technique problems of magnetic crystallization process are how to ensure that magnetic existsIn heating and cooling process, be in all the time in vacuum anaerobic environment, simultaneously also will be at this vacuum anaerobicEnvironment in magnetic is transferred to cooling chamber from heating clamber.
Summary of the invention
The object of this invention is to provide a kind of magnetic crystallization furnace that can carry out to magnetic crystallization processing.
For achieving the above object, the invention provides following technical scheme: a kind of magnetic crystallization furnace,Comprise heating clamber and cooling chamber, described heating clamber is communicated with cooling chamber and heating clamber is positioned at cooling chamberTop; Be communicated with heating clamber for the feeding box supplying raw material; For collecting material after crystallizationMaterial collecting barrel is communicated with cooling chamber, and described heating clamber, cooling chamber, feeding box and material collecting barrel form jointlyA seal cavity; Also comprise for described seal cavity is inflated, the air valve of exhaust.
Technique effect of the present invention is: it is magnetic that seal cavity is vacuumized and pass into nitrogenHeating and cooling vacuum anaerobic environment is provided, because heating clamber and cooling chamber are communicated with, thereforeMagnetic can directly enter cooling chamber from heating clamber, guarantee magnetic in transfer process also all the time inIn vacuum anaerobic environment.
Brief description of the drawings
Fig. 1 is schematic diagram of the present invention;
Fig. 2 is the perspective view of shaking device in the present invention.
Detailed description of the invention
As shown in Figure 1, a kind of magnetic crystallization furnace, comprises heating clamber 20 and cooling chamber 30, described inHeating clamber 20 is communicated with cooling chamber 30; Connect with heating clamber 20 for the feeding box 40 supplying raw materialLogical; Be communicated with described heating clamber with cooling chamber 30 for the material collecting barrel 50 of collecting the material after crystallization20, cooling chamber 30, feeding box 40 and a seal cavity of material collecting barrel 50 common formations; Also compriseFor the air valve that described seal cavity is carried out to exhaust, inflation.
Further, between described feeding box 40 and heating clamber 20, be provided with the first valve 61, described inBetween material collecting barrel 50 and cooling chamber 30, be provided with the second valve 71; Described the first valve 61 and secondBetween valve 71, be provided with for heating clamber 20 and cooling chamber 30 are carried out to first of exhaust, inflationAir valve 62, described feeding box 40 is provided with the second air valve 41, and described material collecting barrel 50 is provided withThree air valves 51.
Further, described heating clamber 20 and cooling chamber 30 are the straight tube of an oblique setting, instituteThe first half section body of stating straight tube forms heating clamber 20, and second half section body forms cooling chamber 30, straight tubeThe front end mouth of pipe form the charging aperture of heating clamber 20, the rear end mouth of pipe of straight tube forms cooling chamber 30Discharging opening, the outer ring surface of described heating clamber 20 is provided with electric heater unit 21 around, and described formation is coldBut the body of chamber 30 is bimetallic tube arm configuration, forms ring between the two-layer tube wall of described cooling chamber 30Shape cooling water runner 33, the two ends of described cooling water runner 33 are respectively equipped with water inlet and delivery port.
Described straight tube is rotationally connected by bearing and frame 10, in described frame 10, be also provided with forThe drive motors 11 that drives straight tube to rotate.
As shown in Figure 2, the tube wall of heating clamber 20 is provided with shaking device, described shaking device bagDraw together the boss 201 that half cam-like is set on the tube wall of heating clamber 20, described boss 201 is two edgesThe die center of heating clamber 20 is arranged symmetrically with, and described shaking device also comprises knocking hammers 25 into shape, knocksThe hammer handle of hammer 25 is hinged in frame 10, and the tup that knocks hammer 25 rides against on boss 201.In the process of constantly rotating at heating clamber 20, knock hammer 25 and gradually lifted by boss 201, thenDepart from boss 201 and knock on the tube wall of heating clamber 20, can make like this pipe of heating clamber 20Wall produces vibrations and then prevents material and tube wall adhesion.
The two ends of described cooling chamber 30 are respectively equipped with the first water jacket 31 and the second water jacket 32, and describedOne water jacket 31, the second water jacket 32 are all fixed in frame 10, described the first water jacket 31, secondOn water jacket 32, be respectively equipped with apopore 311 and inlet opening 321, the entering of described cooling water runner 33The mouth of a river and delivery port lay respectively in the water cavity of the first water jacket 31 and the second water jacket 32, and described firstBetween water jacket 31, the second water jacket 32 and cooling chamber outer wall, be equipped with movable sealing.
As the preferred technical solution of the present invention, the charging aperture of described heating clamber 20 and feeding box 40Between be provided with feed pipe 60, described the first valve 61 and the first air valve 62 are arranged on feed pipe 60Upper, on described feed pipe 60, be also provided with charging pump 63, the discharging opening of described cooling chamber 30 with gather materialsBetween bucket 50, be provided with discharge nozzle 70, described the second valve 71 is arranged on discharge nozzle 70, described inFeed pipe 60 and discharge nozzle 70 are all fixed in frame 10, described feed pipe 60, discharge nozzle 70Be respectively equipped with the first rotary movable sealing 23 and the second rotary movable sealing with straight tube joint.
For fear of the high temperature of heating clamber 20, the first rotary movable sealing 23 is produced to scorch and cause itAgeing failure therefore arranges cooling jacket between the first rotary movable sealing 23 and heating clamber 2024。
Described electric heater unit 21 is electric furnace heating wire, the outer ring surface of described electric furnace heating wire and heating clamber 20 itBetween be provided with thermocouple sensor 22.
The bucket arm of described material collecting barrel 50 is double-decker, on the outer bucket arm of described material collecting barrel 50, establishesHave water inlet pipe 53 and outlet pipe 54, on described material collecting barrel 50, be also provided with discharge port 52, described in unloadMaterial mouth 52 is provided with end cap.
The specific operation process of the present invention in the time of practical application is as follows:
One, crystallization
First magnetic powder materials is thrown in feeding box 40, then feeding box 40 is tipped upside down on to feed pipeOn 60 the mouth of pipe and by the two, be tightly connected, now open drive motors 11 and make heating clamber 20 and coldBut chamber 30 rotates and heating clamber 20 is carried out to heat temperature raising, meanwhile to heating clamber 20 and coldBut chamber 30 vacuumizes, until temperature and vacuum while all reaching certain value, add protection gasArrive+0.01Pa of body nitrogen pressurising, in said process, the first valve 61 and the second valve 71 are located all the timeIn opening, then just can open charging pump 63 and carry out feed, cooling in feeder processIt is without interruption that cooling water in water flow passage 33 and cooling jacket 24 keeps, simultaneously to material collecting barrel 50Two-layer bucket arm between cooling water without interruption, after treating that magnetic powder materials in feeding box 40 dischargesWithin about about 20 minutes, stop heating, then close all chilled(cooling) water supply (CWS)s and allow material naturally cooling 2Hour, crystallization completes.
Two, discharging and filling
Before the material that above-mentioned crystallization is completed carries out discharging, need the second valve 71 to close, this isIn order to prevent that air from entering in cooling chamber 30 and heating clamber 20, after discharging completes by aggregate tube50 reseal, now only need separately material collecting barrel 50 to be vacuumized and inflated with nitrogen,And then open the second valve 71 material collecting barrel 50 is communicated with again with cooling chamber 30, so just keep awayHaving exempted from each crystallization process all will again be pumped into sky and fill nitrogen cooling chamber 30 and heating clamber 20Gas, has greatly saved and has vacuumized the time used with inflated with nitrogen, has improved production efficiency.
Before feeding box 40 is loaded to material again, need first the first valve 61 to be closed its objectConsistent with above-mentioned the second valve 71 with principle.
Claims (6)
1. a magnetic crystallization furnace, is characterized in that: comprise heating clamber (20) and cooling chamber (30),Described heating clamber (20) is communicated with cooling chamber (30) and heating clamber (20) is positioned at cooling chamber (30)Top; Be communicated with heating clamber (20) for the feeding box (40) supplying raw material; For collectingThe material collecting barrel (50) of the material after crystallization is communicated with cooling chamber (30), described heating clamber (20),Cooling chamber (30), feeding box (40) and material collecting barrel (50) form a seal cavity jointly;Also comprise the air valve for described seal cavity being carried out to exhaust, inflation;
Between described feeding box (40) and heating clamber (20), be provided with the first valve (61), described inBetween material collecting barrel (50) and cooling chamber (30), be provided with the second valve (71); Described the first valveAnd between the second valve (71), be provided with for to heating clamber (20) and cooling chamber (30) (61)The first air valve (62) that carries out exhaust, inflation, described feeding box (40) is provided with the second air valve(41), described material collecting barrel (50) is provided with the 3rd air valve (51);
Described heating clamber (20) and cooling chamber (30) are the straight tube of an oblique layout, described straightThe first half section body of pipe forms heating clamber (20), and second half section body forms cooling chamber (30), straight tubeThe front end mouth of pipe form the charging aperture of heating clamber (20), the rear end mouth of pipe of straight tube forms cooling chamber (30)Discharging opening, the outer ring surface of described heating clamber (20) is around provided with electric heater unit (21), instituteStating the body that forms cooling chamber (30) is bimetallic tube arm configuration, described cooling chamber (30) two-layerBetween tube wall, form annular cooling water runner (33), the two ends of described cooling water runner (33) are dividedBe not provided with water inlet and delivery port;
Described straight tube taking tube core as rotating shaft and frame (10) be rotationally connected, in described frame (10)Also be provided with the drive motors (11) for driving straight tube to rotate;
The tube wall of described heating clamber (20) is provided with shaking device, and described shaking device comprises heatingThe boss (201) that half cam-like is set on the tube wall of chamber (20), described boss (201) is twoThe individual die center along heating clamber (20) is arranged symmetrically with, and described shaking device also comprises and knocks hammer(25), the hammer handle that knocks hammer (25) is hinged on frame (10) above, knocks the hammer of hammer (25)Head rides against on boss (201).
2. magnetic crystallization furnace according to claim 1, is characterized in that: described cooling chamber(30) two ends are respectively equipped with the first water jacket (31) and the second water jacket (32), described the first waterIt is upper that cover (31), the second water jacket (32) are all fixed on frame (10), described the first water jacket (31),On the second water jacket (32), be respectively equipped with apopore (311) and inlet opening (321), described coolingThe water inlet of water flow passage (33) and delivery port lay respectively at the first water jacket (31) and the second water jacket (32)Water cavity in, between described the first water jacket (31), the second water jacket (32) and cooling chamber outer wall allBe provided with movable sealing.
3. magnetic crystallization furnace according to claim 2, is characterized in that: described heating clamber(20) between charging aperture and feeding box (40), be provided with feed pipe (60), described the first valve(61) it is upper that and the first air valve (62) is arranged on feed pipe (60), on described feed pipe (60)Also be provided with charging pump (63), between the discharging opening of described cooling chamber (30) and material collecting barrel (50)Be provided with discharge nozzle (70), it is upper that described the second valve (71) is arranged on discharge nozzle (70), described inIt is upper that feed pipe (60) and discharge nozzle (70) are all fixed on frame (10), described feed pipe (60),Discharge nozzle (70) is respectively equipped with the first rotary movable sealing (23) and second with straight tube joint and revolvesRotatable movable sealing.
4. magnetic crystallization furnace according to claim 3, is characterized in that: described first revolvesRotatable movable sealing (23) is provided with cooling jacket (24) towards a side of heating clamber (20).
5. magnetic crystallization furnace according to claim 4, is characterized in that: described electrical heatingDevice (21) is electric furnace heating wire, between the outer ring surface of described electric furnace heating wire and heating clamber (20), is provided with heatThermocouple sensor (22).
6. magnetic crystallization furnace according to claim 5, is characterized in that: described material collecting barrel(50) bucket arm is double-decker, and the outer bucket arm of described material collecting barrel (50) is provided with water inlet pipeAnd outlet pipe (54) (53), on described material collecting barrel (50), be also provided with discharge port (52), described inDischarge port (52) is provided with end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410191417.0A CN103971924B (en) | 2014-05-07 | 2014-05-07 | Magnetic crystallization furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410191417.0A CN103971924B (en) | 2014-05-07 | 2014-05-07 | Magnetic crystallization furnace |
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| Publication Number | Publication Date |
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| CN103971924A CN103971924A (en) | 2014-08-06 |
| CN103971924B true CN103971924B (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410191417.0A Expired - Fee Related CN103971924B (en) | 2014-05-07 | 2014-05-07 | Magnetic crystallization furnace |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110906781A (en) * | 2019-11-18 | 2020-03-24 | 株洲硬质合金集团有限公司 | Full-immersion type cylinder cooler |
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| CN2161624Y (en) * | 1993-07-20 | 1994-04-13 | 中国核动力研究设计院 | Vacuum continuous crystal furnace |
| CN2501886Y (en) * | 2001-10-29 | 2002-07-24 | 成都中核新材料股份有限公司 | Vacuum continuous crystallization furnace |
| CN103252463A (en) * | 2013-05-17 | 2013-08-21 | 黟县越驰科技电子有限公司 | Material collection barrel |
| CN203237814U (en) * | 2013-05-24 | 2013-10-16 | 赣州富尔特电子股份有限公司 | Rare-earth permanent magnet powder distributing device |
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| JPH06136402A (en) * | 1992-10-28 | 1994-05-17 | Kao Corp | Method and device for producing magnetic metal powder |
| JP2527519B2 (en) * | 1992-12-07 | 1996-08-28 | 日本碍子株式会社 | Molten slag crystallization furnace |
| CN2320625Y (en) * | 1997-11-05 | 1999-05-26 | 郭锦华 | Integral rotating vacuum continuous crystallization heat treatment furnace |
| JP3120172B2 (en) * | 1997-12-22 | 2000-12-25 | 愛知製鋼株式会社 | Equipment for manufacturing rare earth magnet powder |
| JP3695504B2 (en) * | 1998-08-31 | 2005-09-14 | 月島機械株式会社 | Crystallized product manufacturing equipment for molten slag |
| CN2797383Y (en) * | 2005-05-27 | 2006-07-19 | 上海大学 | Improved continuous production rotary crystallizing furnace |
| JP2011231364A (en) * | 2010-04-27 | 2011-11-17 | Toyota Motor Corp | Method of producing powder for dust core, dust core using powder for dust core produced by the method of producing powder for dust core, and apparatus for producing powder for dust core |
| CN103418762A (en) * | 2013-07-18 | 2013-12-04 | 洛阳八佳电气科技股份有限公司 | Vacuum quick-solidification crystallization furnace |
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2014
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|---|---|---|---|---|
| CN2161624Y (en) * | 1993-07-20 | 1994-04-13 | 中国核动力研究设计院 | Vacuum continuous crystal furnace |
| CN2501886Y (en) * | 2001-10-29 | 2002-07-24 | 成都中核新材料股份有限公司 | Vacuum continuous crystallization furnace |
| CN103252463A (en) * | 2013-05-17 | 2013-08-21 | 黟县越驰科技电子有限公司 | Material collection barrel |
| CN203237814U (en) * | 2013-05-24 | 2013-10-16 | 赣州富尔特电子股份有限公司 | Rare-earth permanent magnet powder distributing device |
| CN203826204U (en) * | 2014-05-07 | 2014-09-10 | 黟县越驰科技电子有限公司 | Magnetic powder crystallization furnace |
Non-Patent Citations (1)
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| 低钕快淬钕铁硼磁粉及其生产管理软件系统的研制;李兆波;《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》;20120215(第02期);第46-49页 * |
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Denomination of invention: Magnetic powder crystallizing furnace Effective date of registration: 20170120 Granted publication date: 20160525 Pledgee: Yixian County Anhui rural commercial bank Limited by Share Ltd Pledgor: Yixian Yuechi Technology Electronic Co., Ltd. Registration number: 2017340000011 |
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