CN213468048U - Reducing mechanism of soft magnetic alloy powder - Google Patents
Reducing mechanism of soft magnetic alloy powder Download PDFInfo
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- CN213468048U CN213468048U CN202022014130.4U CN202022014130U CN213468048U CN 213468048 U CN213468048 U CN 213468048U CN 202022014130 U CN202022014130 U CN 202022014130U CN 213468048 U CN213468048 U CN 213468048U
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Abstract
The utility model discloses a reducing mechanism of soft magnetic alloy powder, include: the device comprises a hopper, a vibration feeder fixedly arranged at the bottom of the hopper, a forward spiral feeding device fixedly arranged at the discharging end of the vibration feeder, a grinding machine fixedly arranged at the other end of the forward spiral feeding device, a reverse spiral discharging device fixedly arranged at the other end of the grinding machine, and a multistage dust remover connected with the other end of the discharging device; and a nitrogen draft tube arranged at the feed inlet of the grinder; the other end of the reverse spiral discharging device is communicated with a first exhaust fan, and the air outlet end of the multistage dust collector is communicated with a nitrogen circulating pipeline through a dust filtering device. The utility model arranges the nitrogen circulating system in the feeding device, the crushing device and the discharging device, so that the high-pressure nitrogen can prevent oxidation of the crushed alloy powder and can drive the powder with ultra-fine grain diameter to flow and screen; and secondly, the nitrogen is recycled, so that the crushing production cost can be saved.
Description
Technical Field
The utility model belongs to alloy powder grinding device, especially a reducing mechanism of soft-magnetic alloy powder.
Background
The existing soft magnetic alloy powder is mostly produced by a batch ball mill, and the powder produced in the batch production process has fine particle size but low production efficiency. And most of the produced powder is very easy to oxidize after being finished products due to the problem of sealing property in the production process, although some equipment can protect the finished product powder by arranging protective gas in a discharging device, oxygen is difficult to be mixed from feeding to the crushing process in the grinding process, and the oxygen in the air has heavier mass than the common protective gas, so that the mixed oxygen is precipitated below the protective gas to have a small amount of oxidation reaction with the finished product powder, the qualification rate of products is further influenced, secondly, the crushed soft magnetic alloy powder needs to enter fine screening again, and the process of fine particle oxidation is quicker in the screening process.
Disclosure of Invention
The purpose of the invention is as follows: the utility model provides a reducing mechanism of soft magnetic alloy powder to solve the above-mentioned problem that prior art exists.
The technical scheme is as follows: a soft magnetic alloy powder pulverization device comprising:
the device comprises a hopper, a vibration feeder fixedly arranged at the bottom of the hopper, a forward spiral feeding device fixedly arranged at the discharging end of the vibration feeder, a grinding machine fixedly arranged at the other end of the forward spiral feeding device, a reverse spiral discharging device fixedly arranged at the other end of the grinding machine and a multistage dust remover connected at the other end of the discharging device; and a nitrogen draft tube arranged at the feed inlet of the grinder;
the other end of the grinder is communicated with a first exhaust fan, and the air outlet end of the multistage dust collector is communicated with a nitrogen circulating pipeline through a dust filtering device.
In a further embodiment, the vibratory feeder comprises: the vibrating motor is fixedly installed at the bottom of the hopper, and the power output end of the vibrating motor is in transmission connection with the hopper so as to drive the hopper to vibrate.
In a further embodiment, the positive screw feeder comprises: the feeding device comprises a feeding pipe fixedly arranged at the bottom of a hopper, a feeding rotating shaft inserted in the feeding pipe, a first driving motor arranged at one end of the feeding rotating shaft in a transmission manner, and a positive helical blade arranged on the feeding rotating shaft; the inlet pipe is opened with the corresponding side of hopper and is equipped with the opening, the opening of the other end of inlet pipe and the fixed intercommunication of machine pan feeding mouth that grinds.
In a further embodiment, the reverse screw take-off device comprises: the discharging pipe is fixedly arranged at one end of a discharging port of the grinding machine, the discharging rotating shaft is inserted in the discharging pipe, the second driving motor is in transmission connection with one end of the discharging rotating shaft, and the reverse helical blade is fixedly arranged on the discharging rotating shaft; the other end of the discharge pipe is communicated with an inlet of the multistage dust remover, and a filter screen plate is arranged at the inlet.
In a further embodiment, the multistage dust separator comprises: the first dust remover is communicated with the discharge pipe, the second dust remover is communicated with one end of the gas outlet of the first dust remover, and the third dust remover is communicated with the gas outlet of the second dust remover; and the bottoms of the first dust remover, the second dust remover and the third dust remover are communicated with a finished product pipe.
In a further embodiment, the air inlet of the dust filtering device is communicated with the air outlet of the third dust remover; and the air outlet of the dust filtering device is communicated with a nitrogen circulating pipeline.
In a further embodiment, the nitrogen recycle line comprises: the dust filter device comprises a first pipeline fixedly arranged at an air outlet of the dust filter device, a second exhaust fan fixedly arranged at one end of the first pipeline, a second pipeline arranged at the air outlet of the second exhaust fan, and an air supply pipe communicated with the second pipeline through a flange device; the other end of the air supply pipe is communicated with the nitrogen drainage pipe.
Has the advantages that: the utility model arranges the nitrogen circulating system in the feeding device, the crushing device and the discharging device, so that the high-pressure nitrogen can prevent oxidation of the crushed alloy powder and can drive the powder with ultra-fine grain diameter to flow and screen; and secondly, the nitrogen is recycled, so that the crushing production cost can be saved.
Drawings
Fig. 1 is a schematic structural view of the soft magnetic alloy powder pulverizing apparatus of the present invention.
Fig. 2 is a schematic structural diagram of the positive-spiral feeding device of the present invention.
Fig. 3 is a schematic structural diagram of the reverse-spiral feeding device of the present invention.
The reference signs are: hopper 1, vibratory feeder 2, positive spiral feeding device 3, feeding pipe 30, feeding rotating shaft 31, first driving motor 32, positive spiral blade 33, grinding mill 4, reverse spiral discharging device 5, discharging pipe 50, discharging rotating shaft 51, reverse spiral blade 52, second driving motor 53, multistage dust remover 6, first dust remover 60, second dust remover 61, third dust remover 62, finished product pipe 63, nitrogen gas drainage pipe 7, first exhaust fan 8, dust filtering device 9, nitrogen gas circulating pipeline communication 10, first pipeline 100, second exhaust fan 101, second pipeline 102, flange device 103, air supply pipe 104 and filter screen plate 12.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.
The applicant finds that some equipment can protect finished powder by arranging protective gas in a discharging device, but oxygen is inevitably mixed from feeding to crushing in the grinding process, and the mass of the oxygen in the air is heavier than that of the general protective gas, so that the mixed oxygen is precipitated below the protective gas to perform a small amount of oxidation reaction with the finished powder, further the qualification rate of products is influenced, and then the crushed soft magnetic alloy powder needs to enter fine screening again, and the fine particle oxidation process is quicker in the screening process.
A pulverizing apparatus of soft magnetic alloy powder as shown in fig. 1 to 3, comprising: hopper 1, vibratory feeder 2, positive spiral feeding device 3, feeding pipe 30, feeding rotating shaft 31, first driving motor 32, positive spiral blade 33, grinding mill 4, reverse spiral discharging device 5, discharging pipe 50, discharging rotating shaft 51, reverse spiral blade 52, second driving motor 53, multistage dust remover 6, first dust remover 60, second dust remover 61, third dust remover 62, finished product pipe 63, nitrogen gas drainage pipe 7, first exhaust fan 8, dust filtering device 9, nitrogen gas circulating pipeline communication 10, first pipeline 100, second exhaust fan 101, second pipeline 102, flange device 103, air supply pipe 104 and filter screen plate 12.
Hopper 1 adopts the ascending back taper of opening, and the fixed bottom that sets up at hopper 1 of vibratory feeder 2, and vibratory feeder 2 includes: the vibration motor is fixedly arranged at the bottom of the hopper 1, and the power output end of the vibration motor is in transmission connection with the hopper 1 so as to drive the hopper 1 to vibrate; so that the material in the hopper 1 is vibrated to drain downwards; the positive spiral feeding device 3 is fixedly arranged at the discharging end of the vibratory feeder 2, the grinding machine 4 is fixedly arranged at the other end of the positive spiral feeding device 3, the reverse spiral discharging device 5 is fixedly arranged at the other end of the grinding machine 4, and the other end of the multistage dust remover 6 is communicated with the discharging device; the nitrogen draft tube 7 is arranged at the feed inlet of the grinder 4; and then the nitrogen forms a circular flowing ring section from the feeding port to the discharging port of the grinding mill 4, so that the materials entering the grinding mill are isolated from oxygen before, during and after the grinding. Avoiding the oxidation reaction of the materials in the production process.
The other end of the reverse spiral discharging device 5 is communicated with a first exhaust fan 8, an extraction port of the first exhaust fan 8 is communicated with a discharging pipe 50, and then nitrogen injected from a feeding port of the grinding machine 4 is extracted, so that nitrogen carrier micromolecule powder particles enter the multistage dust collector 6 to be further screened to form fine powder particles.
The positive screw feeder 3 includes: the feeding device comprises a feeding pipe 30 fixedly arranged at the bottom of the hopper 1, a feeding rotating shaft 31 inserted in the feeding pipe 30, a first driving motor 32 arranged at one end of the feeding rotating shaft 31 in a transmission way, and a positive helical blade 33 arranged on the feeding rotating shaft 31; the opening is opened with the corresponding side of hopper 1 to inlet pipe 30, the opening and the 4 pan feeding mouths of machine of grinding of the opening of the other end of inlet pipe 30 are fixed to be communicated. And then the power of first driving motor 32 drives feeding pivot 31 and rotates, and then makes positive helical blade 33 rotate in inlet pipe 30 and promote the material that lets down from hopper 1 and advance, gets into and grinds machine 4, and positive helical blade 33 supports with inlet pipe 30 inner wall simultaneously and leans on, and then prevents that the too big space from causing the stagnation of material next reducible nitrogen's leakage.
The reverse spiral discharging device 5 comprises: a discharge pipe 50 fixedly installed at one end of a discharge port of the grinding machine 4, a discharge rotating shaft 51 inserted in the discharge pipe 50, a second driving motor 53 connected to one end of the discharge rotating shaft 51 in a transmission manner, and a reverse helical blade 52 fixedly installed on the discharge rotating shaft 51; the other end of the discharge pipe 50 is communicated with an inlet of the multistage dust remover 6, and a filter screen plate 12 is arranged at the inlet. The discharging pipe 50 and the discharge port of the grinding machine incline upwards by a certain angle, so that the reverse helical blade 52 rotates in the discharging pipe 50 to continuously take materials from the discharge port of the grinding machine 4, unground coarse materials slide off from the reverse helical blade 52 in the rising process, and unground alloy powder continuously stays in the grinding machine through the reverse helical blade 52; meanwhile, the reverse helical blade 52 is abutted against the inner wall of the discharge pipe 50, so that stagnation and accumulation of coarse materials caused by overlarge gaps are prevented, and later-stage cleaning is facilitated.
The multistage dust collector 6 includes: a first deduster 60 communicated with the discharge pipe 50, a second deduster 61 communicated with one end of the gas outlet of the first deduster 60, and a third deduster 62 communicated with the gas outlet of the second deduster 61; the bottoms of the first dust collector 60, the second dust collector 61 and the third dust collector 62 are communicated with a finished product pipe 63. The gas inlet of the first dust remover 60 is communicated with the discharge pipe 50 through a gas pipe, the gas pipe is provided with a filter screen plate 12 at one side of the discharge pipe 50, coarse particles can be removed preliminarily, and then the coarse particles are screened step by step in the multistage dust remover 6.
The air inlet of the dust filtering device 9 is communicated with the air outlet of the third dust remover 62; then, performing final dust filtration on the nitrogen after the screening; the gas outlet of the dust filtering device 9 is communicated 10 with the nitrogen circulating pipeline, and the filtered nitrogen enters the nitrogen circulating pipeline again for recycling, so that the use cost of the nitrogen is reduced.
The gas outlet end of the multistage dust remover 6 is communicated 10 with a nitrogen circulating pipeline through a dust filtering device 9; the nitrogen after the alloy powder is screened enters a nitrogen circulating pipeline through a dust filtering device 9, so that the purpose of recycling the nitrogen is achieved; the nitrogen gas circulation pipeline comprises: a first pipeline 100 fixedly arranged at the air outlet of the dust filtering device 9, a second exhaust fan 101 fixedly arranged at one end of the first pipeline 100, a second pipeline 102 arranged at the air outlet of the second exhaust fan 101, and an air supply pipe 104 communicated with the second pipeline 102 through a flange device 103; the other end of the gas supply pipe 104 is communicated with a nitrogen draft tube 7; and then second air exhauster 101 draws air from one end of first pipeline 100, and then makes the nitrogen gas that separates from multistage dust remover 6 gas outlet end, passes through dust filter 9 fast, gets into first pipeline 100 after carrying out last filtration to the dust that carries in the nitrogen gas, and under the extraction of second air exhauster 101, and then get into second pipeline 102, get into air supply pipe 104 and nitrogen gas drainage pipe 7 from second pipeline 102 once more, carry out the circulation again.
The working principle is as follows:
the power output end of the vibration motor is in transmission connection with the hopper 1 so as to drive the hopper 1 to vibrate; so that the material in the hopper 1 is vibrated to leak down into the feeding pipe 30; the power of the first driving motor 32 drives the feeding rotating shaft 31 to rotate, so that the positive helical blade 33 rotates in the feeding pipe 30 to push the materials discharged from the hopper 1 to advance, and the materials enter the grinding machine 4 for grinding; the second driving motor 53 drives the discharging rotating shaft 51 to rotate, so that the reverse helical blade 52 rotates in the discharging pipe 50 to continuously take materials from the discharging port of the grinding machine 4, the alloy powder which is not ground continues to stay in the grinding machine for grinding through the reverse helical blade 52, meanwhile, the first exhaust fan 8 is started to extract nitrogen injected from the feeding port of the grinding machine 4, so that the nitrogen-carried micromolecule powder particles enter the multistage dust remover 6 for further screening fine powder particles, the nitrogen separated from the gas outlet end of the multistage dust remover 6 is promoted to rapidly pass through the dust filtering device 9 under the starting of the second exhaust fan 101, finally filtered dust carried in the nitrogen enters the first pipeline 100, and then enters the second pipeline 102 under the extraction of the second exhaust fan 101, and enters the gas supply pipe 104 and the nitrogen drainage pipe 7 from the second pipeline 102 again, the circulation is resumed
The utility model arranges the nitrogen circulating system in the feeding device, the crushing device and the discharging device, so that the high-pressure nitrogen can prevent oxidation of the crushed alloy powder and can drive the powder with ultra-fine grain diameter to flow and screen; meanwhile, the nitrogen is recycled, so that the crushing production cost can be saved.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be modified to perform various equivalent transformations, which all belong to the protection scope of the present invention.
Claims (7)
1. A soft magnetic alloy powder crushing apparatus, characterized by comprising:
the device comprises a hopper, a vibration feeder fixedly arranged at the bottom of the hopper, a forward spiral feeding device fixedly arranged at the discharging end of the vibration feeder, a grinding machine fixedly arranged at the other end of the forward spiral feeding device, a reverse spiral discharging device fixedly arranged at the other end of the grinding machine and a multistage dust remover connected at the other end of the discharging device; and a nitrogen draft tube arranged at the feed inlet of the grinder;
the other end of the reverse spiral discharging device is communicated with a first exhaust fan, and the air outlet end of the multistage dust collector is communicated with a nitrogen circulating pipeline through a dust filtering device.
2. A soft magnetic alloy powder pulverization apparatus according to claim 1, characterized in that said vibration feeder comprises: the vibrating motor is fixedly installed at the bottom of the hopper, and the power output end of the vibrating motor is in transmission connection with the hopper so as to drive the hopper to vibrate.
3. A soft magnetic alloy powder pulverization apparatus according to claim 1, characterized in that said positive screw feeding means comprises: the feeding device comprises a feeding pipe fixedly arranged at the bottom of a hopper, a feeding rotating shaft inserted in the feeding pipe, a first driving motor arranged at one end of the feeding rotating shaft in a transmission manner, and a positive helical blade arranged on the feeding rotating shaft; the inlet pipe is opened with the corresponding side of hopper and is equipped with the opening, the opening of the other end of inlet pipe and the fixed intercommunication of machine pan feeding mouth that grinds.
4. A soft magnetic alloy powder pulverization apparatus as claimed in claim 1, characterized in that said reverse screw discharging means comprises: the discharging pipe is fixedly arranged at one end of a discharging port of the grinding machine, the discharging rotating shaft is inserted in the discharging pipe, the second driving motor is in transmission connection with one end of the discharging rotating shaft, and the reverse helical blade is fixedly arranged on the discharging rotating shaft; the other end of the discharge pipe is communicated with an inlet of the multistage dust remover, and a filter screen plate is arranged at the inlet.
5. A soft magnetic alloy powder pulverization apparatus as claimed in claim 1, characterized in that said multistage dust collector comprises: the first dust remover is communicated with the discharge pipe, the second dust remover is communicated with one end of the gas outlet of the first dust remover, and the third dust remover is communicated with the gas outlet of the second dust remover; and the bottoms of the first dust remover, the second dust remover and the third dust remover are communicated with a finished product pipe.
6. A soft magnetic alloy powder pulverizing apparatus according to claim 1, wherein an air inlet of said dust filter means is communicated with an air outlet of a third dust collector; and the air outlet of the dust filtering device is communicated with a nitrogen circulating pipeline.
7. A soft magnetic alloy powder pulverization apparatus as claimed in claim 1, characterized in that said nitrogen gas circulation conduit comprises: the dust filter device comprises a first pipeline fixedly arranged at an air outlet of the dust filter device, a second exhaust fan fixedly arranged at one end of the first pipeline, a second pipeline arranged at the air outlet of the second exhaust fan, and an air supply pipe communicated with the second pipeline through a flange device; the other end of the air supply pipe is communicated with the nitrogen drainage pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022014130.4U CN213468048U (en) | 2020-09-15 | 2020-09-15 | Reducing mechanism of soft magnetic alloy powder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022014130.4U CN213468048U (en) | 2020-09-15 | 2020-09-15 | Reducing mechanism of soft magnetic alloy powder |
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| CN213468048U true CN213468048U (en) | 2021-06-18 |
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| CN202022014130.4U Active CN213468048U (en) | 2020-09-15 | 2020-09-15 | Reducing mechanism of soft magnetic alloy powder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113477348A (en) * | 2021-07-27 | 2021-10-08 | 宏辉磁电科技(安徽)有限公司 | Automatic charging device for discharging of movable ball mill and using method of automatic charging device |
-
2020
- 2020-09-15 CN CN202022014130.4U patent/CN213468048U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113477348A (en) * | 2021-07-27 | 2021-10-08 | 宏辉磁电科技(安徽)有限公司 | Automatic charging device for discharging of movable ball mill and using method of automatic charging device |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230625 Address after: 243000 No.1, Cishan Road, Yushan Economic Development Zone, Yushan District, Ma'anshan, Anhui Province Patentee after: MAANSHAN NEW CONDA MAGNETIC INDUSTRIAL CO.,LTD. Address before: 211135 No.8, Tianhe Road, industrial concentration area, Qilin street, Jiangning District, Nanjing City, Jiangsu Province Patentee before: NANJING NEW CONDA MAGNETIC INDUSTRIAL Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 243000 No.1, Cishan Road, Yushan Economic Development Zone, Yushan District, Ma'anshan, Anhui Province Patentee after: Ma'anshan Xinkangda Magnetic Industry Co.,Ltd. Address before: 243000 No.1, Cishan Road, Yushan Economic Development Zone, Yushan District, Ma'anshan, Anhui Province Patentee before: MAANSHAN NEW CONDA MAGNETIC INDUSTRIAL CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |