CN104495386A - Neodymium iron boron alloy powder transmission device and transmission method - Google Patents
Neodymium iron boron alloy powder transmission device and transmission method Download PDFInfo
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- CN104495386A CN104495386A CN201410755245.5A CN201410755245A CN104495386A CN 104495386 A CN104495386 A CN 104495386A CN 201410755245 A CN201410755245 A CN 201410755245A CN 104495386 A CN104495386 A CN 104495386A
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Abstract
The invention provides a neodymium iron boron alloy powder transmission device and transmission method, and belongs to the technical field of manufacturing of sintered neodymium iron boron magnets. The neodymium iron boron alloy powder transmission device comprises a discharging cabin (1) and is characterized in that the bottom of the discharging cabin (1) is provided with an automatic discharging device connected with a control system, the automatic discharging device is connected with a material tank (3) through a conveying pipeline (2), the top end of the material tank (3) is provided with a vacuum pump (4), the lower part of the material tank (3) is connected with a vibration sieve (10), the automatic discharging device comprises a material sensor (5) and a discharging valve (6), the material sensor (5) is arranged at one side in the discharging cabin (1), and the discharging valve (6) is arranged at a discharging opening in the lower part of the discharging cabin (1). The neodymium iron boron alloy powder transmission device and transmission method have the advantages that powder tank equipment does not need to be used, the neodymium iron boron alloy powder transmission efficiency is high, and the production cost and the potential safety hazards are reduced.
Description
Technical field
Nd Fe B alloys powder transmitting device and transmission method, belong to Sintered NdFeB magnet manufacturing technology field.
Background technology
Applying of powder is sieved at present along with after airflow milling powder in Sintered NdFeB magnet manufacturing, there is very large potential safety hazard in the transfer of Nd Fe B alloys powder process fine powder, select transfer and conveying fine powder, have very important meaning to the preparation safety of high-performance neodymium-iron-boron magnet and efficiency.Mode general is at present all use powder tank, is contained by fine powder in powder tank under the protection of nitrogen, then utilizes powder tank to pour in sieving machine for carrier again.Wherein for powder oxidizable, see that oxygen comb. is very harsh to the requirement of powder tank.First powder tank opposing seal to be guaranteed, under a certain pressure without gas leak phenomenon.Want first deoxygenation before use, often because the gas leakage of powder tank increases the fringe cost that potential safety hazard also improves product simultaneously, fine powder loading powder tank transfers to next procedure more in addition, this mode one is that efficiency of losing time is low, two is increase by procedures, equals the possibility adding one potential safety hazard and fine powder oxidation.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, provides a kind of without the need to using powder tank equipment, and Nd Fe B alloys powder transmission efficiency is high, the Nd Fe B alloys powder transmitting device and the transmission method that reduce productive costs and potential safety hazard.
The technical solution adopted for the present invention to solve the technical problems is: this Nd Fe B alloys powder transmitting device, comprise blanking bin, the automatic blanking device of connection control system is provided with bottom described blanking bin, automatic blanking device connects batch can by transfer line, batch can top is provided with vacuum pump, and batch can bottom connects reciprocating sieve.Automatic blanking device senses that neodymium iron boron alloy powder is last, can automatically open blanking bin discharging opening, to be sucked by Nd Fe B alloys powder in batch can and enter vibrating grizzly from batch can by vacuum pump effect.
Described automatic blanking device comprises material inductor and blanking valve, and material inductor is arranged on blanking bin side, and the inductive head of material inductor stretches into blanking bin inside, and blanking valve is arranged on blanking bin bottom discharge outlet.Material inductor can sense the Nd Fe B alloys powder entering blanking bin, and returns to control system, and control system controls blanking valve open, realizes blowing.
Described transfer line end is provided with pressure-supplementing valve, and pressure-supplementing valve connects ftercompction pipeline.During vacuum pump absorbing material, pressure-supplementing valve is opened, and can play ftercompction effect.
Be provided with cleaning valve in described transfer line, cleaning valve connects detergent line.After empty pump absorbing material, open cleaning valve, realize the cleaning to transfer line.
The pressure of pressure-supplementing valve and cleaning valve is 0.1-0.7mpa.
Described transfer line is wired hose.Not only meet mass transport demand, and connect simple, easy to maintenance.
Described vacuum pump is pneumatic vacuum pump, and vacuum pump connects power gas source and is provided with tracheae for subsequent use.Cushion gas pipe pressure is 0.1-0.7mpa, and tracheae for subsequent use can connect bailout gas, effectively can ensure that power gas source is when safeguarding or obstacle occurs, and produces and normally runs.
Described blanking bin and batch can all adopt corrosion-resistant steel to be made.
The transmission method of Nd Fe B alloys powder transmitting device, comprises the steps:
A. the Nd Fe B alloys powder that air-flow grinds falls into blanking bin;
B. the automatic blanking device in blanking bin senses that neodymium iron boron alloy powder is last, and control system controls vacuum pump and starts, and sucks in batch can by Nd Fe B alloys powder in blanking bin by transfer line;
C. the Nd Fe B alloys powder in batch can enters vibrating grizzly.
Described vacuum pump power gas source is nitrogen, and nitrogen pressure is 0.3-0.7mpa.
The transmission temperature of described transfer line is-10-50 DEG C.
Whole process is all carry out under airtight environment, and being provided with filtering separation device in batch can fully divided gas flow and material, and vacuum pump uses pressure gas as power gas source, and whole process is without the anhydrous clean and tidy environmental protection of oil.
Compared with prior art, the beneficial effect that the technique scheme of this Nd Fe B alloys powder transmitting device and transmission method has is:
1, without the need to using powder tank equipment, Nd Fe B alloys powder transmission efficiency is high: bottom blanking bin, be provided with connection control system automatic blanking device and transfer line, and vacuum pump is equipped with, under control of the control system, automatic blanking device senses that neodymium iron boron alloy powder is last, can automatically open blanking bin discharging opening, by vacuum pump effect, Nd Fe B alloys powder is sucked in batch can, material enters vibrating grizzly from batch can, whole transmitting procedure is without the need to using powder tank equipment, and degree of automation is high, greatly improve the transmission efficiency of Nd Fe B alloys powder.
2, reduce productive costs and potential safety hazard: the transmission method utilizing this Nd Fe B alloys powder transmitting device, can reduce and pour in down a chimney a procedure, not only by landed cost, and reduce because pour in down a chimney the safe mass hidden danger brought, ensure that product design.
3, cleaning after automatically can completing conveying: be provided with cleaning valve in transfer line, after empty pump absorbing material, opens cleaning valve, realizes, to the cleaning of transfer line, not only saving human cost, and protection of the environment.
Accompanying drawing explanation
Fig. 1 is the structural front view of this Nd Fe B alloys powder transmitting device.
Wherein, 1, blanking bin 2, transfer line 3, batch can 4, vacuum pump 5, material inductor 6, blanking valve 7, pressure-supplementing valve 8, cleaning valve 9, tracheae for subsequent use 10, vibrating grizzly.
Detailed description of the invention
Fig. 1 is most preferred embodiment of the present invention, and below in conjunction with accompanying drawing 1, the present invention will be further described.
This Nd Fe B alloys powder transmitting device, comprise blanking bin 1, blanking bin 1 is supported by bracing frame and installs, be taper barrel bottom blanking bin 1, taper barrel bottom is discharging opening, and blanking bin 1 is equipped with the automatic blanking device of connection control system, automatic blanking device comprises material inductor 5 and blanking valve 6, material inductor 5 is arranged on blanking bin 1 side, and the inductive head of material inductor 5 stretches into blanking bin 1 inside, and blanking valve 6 is arranged on blanking bin 1 bottom discharge outlet.Blanking valve 6 connects batch can 3 by transfer line 2.Transfer line 2 is wired hose, and the transmission temperature of transfer line 2 is-10-50 DEG C.Transfer line 2 end is provided with pressure-supplementing valve 7, and pressure-supplementing valve 7 connects ftercompction pipeline.Be provided with cleaning valve 8 in transfer line 2, cleaning valve 8 connects detergent line.The pressure of pressure-supplementing valve 7 and cleaning valve 8 is 0.1-0.7mpa.
Batch can 3 top is provided with vacuum pump 4, and batch can 3 bottom connects reciprocating sieve.Automatic blanking device senses that neodymium iron boron alloy powder is last, automatically can open blanking bin 1 discharging opening, is acted on to be sucked by Nd Fe B alloys powder in batch can 3 and enter vibrating grizzly 10 from batch can by vacuum pump 4.Blanking bin 1 and batch can 3 all adopt corrosion-resistant steel to be made.
Vacuum pump 4 is pneumatic vacuum pump, and vacuum pump 4 power gas source is nitrogen, and nitrogen pressure is 0.3-0.7mpa.Vacuum pump 4 connects power gas source and is provided with tracheae 9 for subsequent use, and tracheae 9 pressure for subsequent use is 0.1-0.7mpa.
The transmission method of Nd Fe B alloys powder transmitting device, comprises the steps:
A. the Nd Fe B alloys powder that air-flow grinds falls into blanking bin 1;
B. the automatic blanking device in blanking bin 1 senses that neodymium iron boron alloy powder is last, and control system controls vacuum pump 4 and starts, and sucks in batch can 3 by Nd Fe B alloys powder in blanking bin 1 by transfer line 2;
C. the Nd Fe B alloys powder in batch can 3 enters vibrating grizzly 10.
Whole process is all carry out under airtight environment, and being provided with filtering separation device in batch can 3 can fully divided gas flow and material, and vacuum pump 4 uses pressure gas as power gas source, and whole process is without the anhydrous clean and tidy environmental protection of oil.
The above is only preferred embodiment of the present invention, and be not restriction the present invention being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solution of the present invention content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (10)
1. Nd Fe B alloys powder transmitting device, comprise blanking bin (1), it is characterized in that: described blanking bin (1) bottom is provided with the automatic blanking device of connection control system, automatic blanking device connects batch can (3) by transfer line (2), batch can (3) top is provided with vacuum pump (4), and batch can (3) bottom connects reciprocating sieve (10).
2. Nd Fe B alloys powder transmitting device according to claim 1, it is characterized in that: described automatic blanking device comprises material inductor (5) and blanking valve (6), material inductor (5) is arranged on blanking bin (1) side, the inductive head of material inductor (5) stretches into blanking bin (1) inside, and blanking valve (6) is arranged on blanking bin (1) bottom discharge outlet.
3. Nd Fe B alloys powder transmitting device according to claim 1, is characterized in that: described transfer line (2) end is provided with pressure-supplementing valve (7), and pressure-supplementing valve (7) connects ftercompction pipeline.
4. the Nd Fe B alloys powder transmitting device according to claim 1 or 3, is characterized in that: be provided with cleaning valve (8) in described transfer line (2), and cleaning valve (8) connects detergent line.
5. Nd Fe B alloys powder transmitting device according to claim 4, is characterized in that: described transfer line (2) is wired hose.
6. Nd Fe B alloys powder transmitting device according to claim 1, is characterized in that: described vacuum pump (4) is pneumatic vacuum pump, and vacuum pump (4) connects power gas source and is provided with tracheae for subsequent use (9).
7. Nd Fe B alloys powder transmitting device according to claim 1, is characterized in that: described blanking bin (1) and batch can (3) all adopt corrosion-resistant steel to be made.
8. utilize the transmission method of the Nd Fe B alloys powder transmitting device described in any one of claim 1-7, it is characterized in that: comprise the steps:
A. the Nd Fe B alloys powder that air-flow grinds falls into blanking bin (1);
B. the automatic blanking device in blanking bin (1) senses that neodymium iron boron alloy powder is last, and control system controls vacuum pump (4) and starts, and sucks in batch can (3) by Nd Fe B alloys powder in blanking bin (1) by transfer line (2);
C. the Nd Fe B alloys powder in batch can (3) enters vibrating grizzly (10).
9. the transmission method of Nd Fe B alloys powder transmitting device according to claim 8, is characterized in that: described vacuum pump (4) power gas source is nitrogen, and nitrogen pressure is 0.3-0.7mpa.
10. the transmission method of Nd Fe B alloys powder transmitting device according to claim 8, is characterized in that: the transmission temperature of described transfer line (2) is-10-50 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410755245.5A CN104495386A (en) | 2014-12-11 | 2014-12-11 | Neodymium iron boron alloy powder transmission device and transmission method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410755245.5A CN104495386A (en) | 2014-12-11 | 2014-12-11 | Neodymium iron boron alloy powder transmission device and transmission method |
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| CN104495386A true CN104495386A (en) | 2015-04-08 |
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| WO2002100195A1 (en) * | 2001-06-11 | 2002-12-19 | Material Ganadero Canar S.L. | Method for obtaining complete feed for livestock |
| CN102085964A (en) * | 2009-12-08 | 2011-06-08 | 天津北方食品有限公司 | Vacuum feeding machine |
| CN102150936A (en) * | 2011-01-28 | 2011-08-17 | 青岛宝佳自动化设备有限公司 | Equipment for accurately adding powder materials from long distance and method thereof |
| CN202670744U (en) * | 2012-05-25 | 2013-01-16 | 宣城亚邦化工有限公司 | Powder pigment conveying equipment |
| CN202984065U (en) * | 2012-12-12 | 2013-06-12 | 重庆华强化肥有限公司 | Vanadium accelerant vacuum drawing and screening device |
| CN203753987U (en) * | 2014-03-28 | 2014-08-06 | 北京艾福莱机电设备有限公司 | Powder vacuum conveying device allowing failure display |
| CN104016134A (en) * | 2014-06-12 | 2014-09-03 | 泰山医学院 | Vacuum conveying device used for sintering neodymium iron boron powder materials |
| CN204355767U (en) * | 2014-12-11 | 2015-05-27 | 爱科科技有限公司 | Nd Fe B alloys powder transmitting device |
-
2014
- 2014-12-11 CN CN201410755245.5A patent/CN104495386A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002100195A1 (en) * | 2001-06-11 | 2002-12-19 | Material Ganadero Canar S.L. | Method for obtaining complete feed for livestock |
| CN102085964A (en) * | 2009-12-08 | 2011-06-08 | 天津北方食品有限公司 | Vacuum feeding machine |
| CN102150936A (en) * | 2011-01-28 | 2011-08-17 | 青岛宝佳自动化设备有限公司 | Equipment for accurately adding powder materials from long distance and method thereof |
| CN202670744U (en) * | 2012-05-25 | 2013-01-16 | 宣城亚邦化工有限公司 | Powder pigment conveying equipment |
| CN202984065U (en) * | 2012-12-12 | 2013-06-12 | 重庆华强化肥有限公司 | Vanadium accelerant vacuum drawing and screening device |
| CN203753987U (en) * | 2014-03-28 | 2014-08-06 | 北京艾福莱机电设备有限公司 | Powder vacuum conveying device allowing failure display |
| CN104016134A (en) * | 2014-06-12 | 2014-09-03 | 泰山医学院 | Vacuum conveying device used for sintering neodymium iron boron powder materials |
| CN204355767U (en) * | 2014-12-11 | 2015-05-27 | 爱科科技有限公司 | Nd Fe B alloys powder transmitting device |
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