CN205057059U - Neodymium iron boron preparation is with high vacuum degree fritting furnace - Google Patents
Neodymium iron boron preparation is with high vacuum degree fritting furnace Download PDFInfo
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- CN205057059U CN205057059U CN201520829053.4U CN201520829053U CN205057059U CN 205057059 U CN205057059 U CN 205057059U CN 201520829053 U CN201520829053 U CN 201520829053U CN 205057059 U CN205057059 U CN 205057059U
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Abstract
The utility model relates to a fritting furnace especially relates to a neodymium iron boron preparation is with high vacuum degree fritting furnace. The to -be -solved technical problem of the utility model is to provide a neodymium iron boron preparation is with high vacuum degree fritting furnace. In order to solve the technical problem, the utility model provides such neodymium iron boron preparation is with high vacuum degree fritting furnace which comprises have fritting furnace, work piece platform, base, furnace core axle, support the dead lever, pipeline I, anterior suction opening, middle part suction opening, rear portion suction opening, suction opening valve, furnace gate, tertiary evacuation subassembly and control system, the fritting furnace is equipped with the sealed furnace door for cylindrical one end, and the other end is provided with tertiary evacuation subassembly, and the fritting furnace is inside to be provided with the work piece platform, and the rear portion in the fritting furnace is provided with the base, is provided with the furnace core axle on the base, and the work piece platform is through supporting dead lever and furnace core hub connection. The utility model discloses it is high to have reached vacuum, and sintering efficiency is high, effect that sintering degree of automation is high.
Description
Technical field
The utility model relates to a kind of sintering furnace, particularly relates to a kind of neodymium iron boron preparation condition of high vacuum degree sintering furnace.
Background technology
Containing rear earth element nd and elemental iron and boron in neodymium iron boron, neodymium iron boron is as the one of rare earth permanent-magnetic material, there is high magnetic energy product and coercivity, the advantage of high-energy-density makes Nd-Fe-Bo permanent magnet material be applied widely in modern industry and electronic technology simultaneously, thus makes the miniaturization of the equipment such as instrument and meter, electroacoustic motor, magnetic separation magnetization, lightweight, slimming become possibility.
The modern method preparing neodymium iron boron mainly adopts sintering process and mull technique two kinds, and wherein owing to using sintering process product quality relatively better, production efficiency is also correlated with higher and is widely adopted.The main flow of sintering process is batching, melting, ingot casting, powder process, shaping, sintering and aft-loaded airfoil etc.At present, the characteristic of Sintered NdFeB magnet and the more traditional permanent-magnet material excellence of cost performance, be widely used in all trades and professions such as computer, motor, wind-driven generator, electric automobile, instrument and meter, Magnetic drive bearing, high-fidelity loudspeaker, NMR imaging instrument and space flight and aviation omniselector, at emerging technology areas such as magnetic suspension trains, there is huge potential application foreground.
The most important step of sintering process says that high temperature sintering in sintering furnace put into by neodymium iron boron material exactly, to reach the prerequisite meeting neodymium iron boron high magnetic.Existing sintering process carries out in sintering furnace, usually because the not high reason of sintering efficiency, can not meet associated production demand, what is more important, in NbFeB sintered process, there is a little air if existed in sintering furnace in air or neodymium iron boron blank, all will significantly reduce the service life of neodymium iron boron product, so how creating the sintering furnace with condition of high vacuum degree and high efficiency sintering is person skilled problem demanding prompt solution always.
Utility model content
(1) technical problem that will solve
The utility model is not high in order to overcome sintering furnace vacuum in prior art, sintering efficiency low, sintering automaticity not high shortcoming, the technical problems to be solved in the utility model is to provide a kind of neodymium iron boron preparation condition of high vacuum degree sintering furnace.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides so a kind of neodymium iron boron preparation condition of high vacuum degree sintering furnace, include sintering furnace, work stage, base, stove axle, support fixed bar, pipeline I, anterior suction opeing, middle part suction opeing, rear portion suction opeing, suction opeing valve, fire door, three grades vacuumize assembly and control system; Sintering furnace is that cylindrical one end is provided with sealing door, the other end is provided with three grades and vacuumizes assembly, sintering furnace inside is provided with work stage, rear portion in sintering furnace is provided with base, base is provided with stove axle, work stage is connected with stove axle by supporting fixed bar, furnace wall in sintering furnace is provided with pipeline I, anterior suction opeing is provided with in the side of pipeline I, opposite side is provided with rear portion suction opeing, middle part is provided with middle part suction opeing, and anterior suction opeing, middle part suction opeing and rear portion suction opeing are all provided with suction opeing valve; Three grades vacuumize assembly and include first order evacuator, second level evacuator, third level vacuum extractor, pipeline II and pipeline valve, first order evacuator is connected with sintering furnace by pipeline II, second level evacuator is connected with first order evacuator by pipeline II, third level evacuator is connected with second level evacuator by pipeline II, pipeline II is all provided with pipeline valve, and suction opeing valve is connected with control system with pipeline valve.
Preferably, describedly between stove axle and base, be provided with electric rotating machine, electric rotating machine is connected with control system.
Preferably, describedly in stove axle, be provided with flexible exhaust column assembly, flexible exhaust column assembly includes telescope motor, first order telescoping tube, second level telescoping tube, third level telescoping tube, pipeline opening, valve I and through hole; Telescope motor is arranged in stove axle, the top of telescope motor is provided with first order telescoping tube, the opposite side of first order telescoping tube is connected with the side of second level telescoping tube, the opposite side of second level telescoping tube is connected with the side of third level telescoping tube, first order telescoping tube is provided with pipeline opening, pipeline opening is provided with valve I, all through hole is provided with in the inside of first order telescoping tube, second level telescoping tube and third level telescoping tube, through hole is connected with pipeline I by pipeline opening, and telescope motor is connected with control system all respectively with valve I.
Preferably, describedly on the furnace wall of sintering furnace, be provided with 6 pipelines I, and every root is all separately installed with anterior suction opeing, middle part suction opeing and rear portion suction opeing uniform intervals; Anterior suction opeing, middle part suction opeing and rear portion suction opeing are all provided with suction opeing valve.
Preferably, the material of described pipeline I is stainless steel.
Preferably, described first order evacuator, second level evacuator are not identical with the assembly of third level vacuum extractor.
Operation principle: time initial, enters workpiece transport in sintering furnace by fork truck, closes sealing door.Drive three grades of vacuum extractors, carry out three steps to sintering furnace to vacuumize, the first step: control system controls the suction opeing valve on the suction opeing of middle part and the suction opeing valve closing on the suction opeing of rear portion, three grades of vacuum extractors are vacuumized by the front portion of anterior suction opeing to sintering furnace, second step: control system controls the suction opeing valve on anterior suction opeing and the suction opeing valve closing on the suction opeing of rear portion again, three grades of vacuum extractors are vacuumized by the middle part of middle part suction opeing to sintering furnace, last control system controls the suction opeing valve on anterior suction opeing and the suction opeing valve closing on the suction opeing of middle part, three grades of vacuum extractors are vacuumized by the rear portion of rear portion suction opeing to sintering furnace, after reaching required vacuum, sintering work can be started, workpiece is sintered.
Describedly between stove axle and base, be provided with electric rotating machine, start electric rotating machine when workpiece sintering and rotate workpiece can be made to be heated evenly, make the product quality of sintering better, and be convenient to put into or take out workpiece.
Describedly in stove axle, be provided with flexible exhaust column assembly, control system controls telescope motor makes second level telescoping tube and third level telescoping tube stretch, and three grades of vacuum extractors can be allowed to be vacuumized the front portion of the sintering furnace stove heart, middle part and rear portion by through hole.
Described pipeline I is provided with 2-6 root, and every root is all respectively equipped with anterior suction opeing, middle part suction opeing and rear portion suction opeing; Anterior suction opeing, middle part suction opeing and rear portion suction opeing are all provided with suction opeing valve, three grades of vacuum extractors each position to sintering furnace can be made to vacuumize, improve the effect vacuumized.
The material of described pipeline I is stainless steel, and stainless steel has heat-resisting, high temperature resistant and corrosion resistant feature.
Described first order evacuator is sliding vane rotary vacuum pump and controls motor, and second level evacuator is Roots vaccum pump and controls motor, and third level vacuum means is set to molecular pump and controls motor.
(3) beneficial effect
It is high that the utility model reaches vacuum, and sintering efficiency is high, the effect that sintering automaticity is high, and the neodymium iron boron that the utility model sinters out has high magnetic energy product and coercivity.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present utility model.
Fig. 2 is three grades of main TV structure schematic diagrames vacuumizing assembly.
Fig. 3 is main TV structure schematic diagram of the present utility model.
Fig. 4 is the main TV structure schematic diagram of flexible exhaust column assembly.
Fig. 5 is plan structure schematic diagram of the present utility model.
Being labeled as in accompanying drawing: 1-sintering furnace, 2-work stage, 3-base, 4-stove axle, 5-supports fixed bar, 6-pipeline I, the anterior suction opeing of 7-, suction opeing in the middle part of 8-, 9-rear portion suction opeing, 10-suction opeing valve, 11-fire door, 12-tri-grades vacuumizes assembly, 13-control system, 14-electric rotating machine, 15-stretches exhaust column assembly, 121-first order evacuator, 122-second level evacuator, 123-third level vacuum extractor, 124-pipeline II, 125-pipeline valve, 150-telescope motor, 151-first order telescoping tube, 152-second level telescoping tube, 153-third level telescoping tube, 154-pipeline opening, 155-valve I, 156-through hole.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described.
Embodiment 1
Condition of high vacuum degree sintering furnace is used in a kind of neodymium iron boron preparation, as Figure 1-5, include sintering furnace 1, work stage 2, base 3, stove axle 4, support fixed bar 5, pipeline I 6, anterior suction opeing 7, middle part suction opeing 8, rear portion suction opeing 9, suction opeing valve 10,11, three grades, fire door vacuumize assembly 12 and control system 13, sintering furnace 1 is provided with sealing door 11 for cylindrical one end, the other end is provided with three grades and vacuumizes assembly 12, sintering furnace 1 inside is provided with work stage 2, rear portion in sintering furnace 1 is provided with base 3, be provided with stove axle 4 on the base 3, work stage 2 is connected with stove axle 4 by supporting fixed bar 5, furnace wall in sintering furnace 1 is provided with pipeline I 6, anterior suction opeing 7 is provided with in the side of pipeline I 6, opposite side is provided with rear portion suction opeing 9, middle part is provided with middle part suction opeing 8, at anterior suction opeing 7, middle part suction opeing 8 and rear portion suction opeing 9 are all provided with suction opeing valve 10, three grades vacuumize assembly 12 and include first order evacuator 121, second level evacuator 122, third level vacuum extractor 123, pipeline II 124 and pipeline valve 125, first order evacuator 121 is connected with sintering furnace 1 by pipeline II 124, second level evacuator 122 is connected with first order evacuator 121 by pipeline II 124, third level evacuator is connected with second level evacuator 122 by pipeline II 124, pipeline II 124 is all provided with pipeline valve 125, and suction opeing valve 10 is connected with control system 13 with pipeline valve 125.
Describedly between stove axle 4 and base 3, be provided with electric rotating machine 14, electric rotating machine 14 is connected with control system 13.
Describedly in stove axle 4, be provided with flexible exhaust column assembly 15, flexible exhaust column assembly 15 includes telescope motor 150, first order telescoping tube 151, second level telescoping tube 152, third level telescoping tube 153, pipeline opening 154, valve I 155 and through hole 156, telescope motor 150 is arranged in stove axle 4, the top of telescope motor 150 is provided with first order telescoping tube 151, the opposite side of first order telescoping tube 151 is connected with the side of second level telescoping tube 152, the opposite side of second level telescoping tube 152 is connected with the side of third level telescoping tube 153, first order telescoping tube 151 is provided with pipeline opening 154, pipeline opening 154 is provided with valve I 155, at first order telescoping tube 151, the inside of second level telescoping tube 152 and third level telescoping tube 153 is all provided with through hole 156, through hole 156 is connected with pipeline I 6 by pipeline opening 154, telescope motor 150 is connected with control system 13 all respectively with valve I 155.
Describedly on the furnace wall of sintering furnace 1, be provided with 6 pipelines I 6, and every root is all separately installed with anterior suction opeing 7, middle part suction opeing 8 and rear portion suction opeing 9 uniform intervals; Anterior suction opeing 7, middle part suction opeing 8 and rear portion suction opeing 9 are all provided with suction opeing valve 10.
The material of described pipeline I 6 is stainless steel.
Described first order evacuator 121, second level evacuator 122 are not identical with the assembly of third level vacuum extractor 123.
Operation principle: time initial, enters workpiece transport in sintering furnace 1 by fork truck, closes sealing door 11.Drive three grades of vacuum extractors, carry out three steps to sintering furnace 1 to vacuumize, the first step: control system 13 controls the suction opeing valve 10 on the suction opeing 8 of middle part and the suction opeing valve 10 on rear portion suction opeing 9 is closed, three grades of vacuum extractors are vacuumized by the front portion of anterior suction opeing 7 pairs of sintering furnaces 1, second step: control system 13 controls the suction opeing valve 10 on anterior suction opeing 7 again and the suction opeing valve 10 on rear portion suction opeing 9 is closed, three grades of vacuum extractors are vacuumized by the middle part of middle part suction opeing 8 pairs of sintering furnaces 1, last control system 13 controls the suction opeing valve 10 on anterior suction opeing 7 and the suction opeing valve 10 on middle part suction opeing 8 is closed, three grades of vacuum extractors are vacuumized by the rear portion of rear portion suction opeing 9 pairs of sintering furnaces 1, after reaching required vacuum, sintering work can be started, workpiece is sintered.
Describedly between stove axle 4 and base 3, be provided with electric rotating machine 14, start electric rotating machine 14 when workpiece sintering and rotate workpiece can be made to be heated evenly, make the product quality of sintering better, and be convenient to put into or take out workpiece.
Describedly in stove axle 4, be provided with flexible exhaust column assembly 15, control system 13 controls telescope motor 150 makes second level telescoping tube 152 and third level telescoping tube 153 stretch, and three grades of vacuum extractors can be allowed to be vacuumized by the front portion of through hole 156 pairs of sintering furnace 1 stove hearts, middle part and rear portion.
Described pipeline I 6 is provided with 2-6 root, and every root is all respectively equipped with anterior suction opeing 7, middle part suction opeing 8 and rear portion suction opeing 9; Anterior suction opeing 7, middle part suction opeing 8 and rear portion suction opeing 9 are all provided with suction opeing valve 10, three grades of vacuum extractors each position to sintering furnace 1 can be made to vacuumize, improve the effect vacuumized.
The material of described pipeline I 6 is stainless steel, and stainless steel has heat-resisting, high temperature resistant and corrosion resistant feature.Described first order evacuator 121 is sliding vane rotary vacuum pump and controls motor, and second level evacuator 122 is Roots vaccum pump and controls motor, and third level vacuum extractor 123 is molecular pump and controls motor.
The above embodiment only have expressed preferred embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion, improvement and substitute, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (6)
1. condition of high vacuum degree sintering furnace is used in a neodymium iron boron preparation, it is characterized in that, include sintering furnace (1), work stage (2), base (3), stove axle (4), support fixed bar (5), pipeline I (6), anterior suction opeing (7), middle part suction opeing (8), rear portion suction opeing (9), suction opeing valve (10), fire door (11), three grades vacuumize assembly (12) and control system (13), sintering furnace (1) is provided with sealing door (11) for cylindrical one end, the other end is provided with three grades and vacuumizes assembly (12), sintering furnace (1) inside is provided with work stage (2), rear portion in sintering furnace (1) is provided with base (3), base (3) is provided with stove axle (4), work stage (2) is connected with stove axle (4) by supporting fixed bar (5), furnace wall in sintering furnace (1) is provided with pipeline I (6), anterior suction opeing (7) is provided with in the side of pipeline I (6), opposite side is provided with rear portion suction opeing (9), middle part is provided with middle part suction opeing (8), in anterior suction opeing (7), middle part suction opeing (8) and rear portion suction opeing (9) are all provided with suction opeing valve (10), three grades vacuumize assembly (12) and include first order evacuator (121), second level evacuator (122), third level vacuum extractor (123), pipeline II (124) and pipeline valve (125), first order evacuator (121) is connected with sintering furnace (1) by pipeline II (124), second level evacuator (122) is connected with first order evacuator (121) by pipeline II (124), third level evacuator is connected with second level evacuator (122) by pipeline II (124), pipeline II (124) is all provided with pipeline valve (125), suction opeing valve (10) is connected with control system (13) with pipeline valve (125).
2. a kind of neodymium iron boron preparation condition of high vacuum degree sintering furnace according to claim 1, it is characterized in that, describedly between stove axle (4) and base (3), be provided with electric rotating machine (14), electric rotating machine (14) is connected with control system (13).
3. a kind of neodymium iron boron preparation condition of high vacuum degree sintering furnace according to claim 1, it is characterized in that, describedly in stove axle (4), be provided with flexible exhaust column assembly (15), flexible exhaust column assembly (15) includes telescope motor (150), first order telescoping tube (151), second level telescoping tube (152), third level telescoping tube (153), pipeline opening (154), valve I (155) and through hole (156), telescope motor (150) is arranged in stove axle (4), the top of telescope motor (150) is provided with first order telescoping tube (151), the opposite side of first order telescoping tube (151) is connected with the side of second level telescoping tube (152), the opposite side of second level telescoping tube (152) is connected with the side of third level telescoping tube (153), first order telescoping tube (151) is provided with pipeline opening (154), pipeline opening (154) is provided with valve I (155), in first order telescoping tube (151), the inside of second level telescoping tube (152) and third level telescoping tube (153) is all provided with through hole (156), through hole (156) is connected with pipeline I (6) by pipeline opening (154), telescope motor (150) is connected with control system (13) all respectively with valve I (155).
4. a kind of neodymium iron boron preparation condition of high vacuum degree sintering furnace according to claim 1, it is characterized in that, describedly on the furnace wall of sintering furnace (1), be provided with 6 pipelines I (6), and every root is all separately installed with anterior suction opeing (7), middle part suction opeing (8) and rear portion suction opeing (9) uniform intervals; Anterior suction opeing (7), middle part suction opeing (8) and rear portion suction opeing (9) are all provided with suction opeing valve (10).
5. a kind of neodymium iron boron preparation condition of high vacuum degree sintering furnace according to claim 1, it is characterized in that, the material of described pipeline I (6) is stainless steel.
6. a kind of neodymium iron boron preparation condition of high vacuum degree sintering furnace according to claim 1, it is characterized in that, described first order evacuator (121), second level evacuator (122) are not identical with the assembly of third level vacuum extractor (123).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520829053.4U CN205057059U (en) | 2015-10-23 | 2015-10-23 | Neodymium iron boron preparation is with high vacuum degree fritting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520829053.4U CN205057059U (en) | 2015-10-23 | 2015-10-23 | Neodymium iron boron preparation is with high vacuum degree fritting furnace |
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| CN205057059U true CN205057059U (en) | 2016-03-02 |
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| CN201520829053.4U Active CN205057059U (en) | 2015-10-23 | 2015-10-23 | Neodymium iron boron preparation is with high vacuum degree fritting furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112179137A (en) * | 2020-09-23 | 2021-01-05 | 江西荧光磁业有限公司 | Vacuum sintering furnace for processing neodymium iron boron magnet |
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2015
- 2015-10-23 CN CN201520829053.4U patent/CN205057059U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112179137A (en) * | 2020-09-23 | 2021-01-05 | 江西荧光磁业有限公司 | Vacuum sintering furnace for processing neodymium iron boron magnet |
| CN112179137B (en) * | 2020-09-23 | 2022-08-23 | 江西荧光磁业有限公司 | Vacuum sintering furnace for processing neodymium iron boron magnet |
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