CN103364306A - Magnetic powder apparent density measuring device and method - Google Patents
Magnetic powder apparent density measuring device and method Download PDFInfo
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- CN103364306A CN103364306A CN2013102877189A CN201310287718A CN103364306A CN 103364306 A CN103364306 A CN 103364306A CN 2013102877189 A CN2013102877189 A CN 2013102877189A CN 201310287718 A CN201310287718 A CN 201310287718A CN 103364306 A CN103364306 A CN 103364306A
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Abstract
The invention relates to the technical field of production of a ferrite core and discloses a magnetic powder apparent density measuring device and method. The measuring device comprises a weighing device, a container with the known volume, and an auxiliary tool, wherein the auxiliary tool is used for scraping off powder stacked on the container so that the powder and an opening of the container are leveled. The apparent density of the powder is obtained through determining the mass and the volume of the powder; the measuring result is accurate and effective guarantees to the product manufacturing quality of the ferrite core are provided.
Description
Technical field
The present invention relates to the ferrite production technical field, particularly relate to a kind of magnetic apparent density measurement mechanism and method.
Background technology
Magnetic core refers to a kind of sintering magnetic metal oxide by various iron oxide compositions of mixtures.FERRITE CORE is a kind of high frequency permeability magnetic material, mainly does high-frequency transformer, high frequency magnet ring etc., coils on the FERRITE CORE and can be made into inductor or transformer, and they are widely used in instrument and meter, in communication facilities and the household electrical appliance.
In FERRITE CORE manufacturing process, need through operations such as powder process, compacting, sintering.Before compressing, need to carry out to the powder that the powder process stage makes apparent density and measure, apparent density is the important parameter in the FERRITE CORE manufacturing process, this is because apparent density is too high, causes the FERRITE CORE product strength that makes low, frangible; Apparent density is excessively low, causes ejection resistance to strengthen, easily delamination splitting.Before traditional suppression process, lack special-purpose instrument the powder apparent density is measured, only carry out the apparent density affirmation whether up to standard of powder with operator's experience, easily occur owing to the apparent density product quality problem that causes not up to standard.
Summary of the invention
The technical matters that (one) will solve
The technical problem to be solved in the present invention is the apparent density of Measurement accuracy powder how.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a kind of magnetic apparent density measurement mechanism, it is characterized in that, comprise weighing device, the container that volume is known and aid, aid are used for scraping off the powder that container is piled up above, and powder is flushed with the opening of container.
Further, measurement mechanism also comprises the base station of placing the known container of described volume, and there is funnel described base station top, and funnel bottom is provided with discharging opening, and described funnel and described base station link together by measurement bay.
Wherein, the container that described volume is known is quantitative pot.
Wherein, described aid is try square.
Perhaps, described aid is scraper plate.
Wherein, described weighing device is electronic balance.
Wherein, described discharging opening place is provided with for the thin slice of opening with sealing usefulness.
The present invention also provides a kind of measuring method of magnetic apparent density, uses the known container of described volume to determine the volume of powder to be measured, uses weighing device to determine the quality of powder to be measured, and the quality of the powder that records is compared the density that obtains powder with volume.
Wherein, the measuring method of magnetic apparent density also comprises, before the operation, first with funnel, quantitative pot wiped clean; Quality with the weighed measuring tank of electronic balance; Quantitative pot is put on the base station, under the funnel, blocks discharging opening with hand, powder is packed in the funnel; Unclamp hand, the powder in the funnel is fallen into quantitative pot through discharging opening; After quantitative pot is filled powder, scrape off the powder that quantitative pot is piled up above with aid, the powder in the quantitative pot is flushed with the mouth of quantitative pot; The quality that claims to fill the quantitative pot of powder with electronic balance; The ratio of the difference of two inferior qualities and the volume of quantitative pot is the apparent density of powder.
(3) beneficial effect
A kind of magnetic apparent density measurement mechanism and method that technique scheme provides, measurement mechanism comprises weighing device, the container that volume is known and aid, aid are used for scraping off the powder that container is piled up above, and powder is flushed with the opening of container.By determining quality and the volume of powder, obtain the apparent density of powder, measurement result is accurate, for the production quality of FERRITE CORE provides effective assurance.
Description of drawings
Fig. 1 is the schematic diagram of a kind of magnetic apparent density of the present invention measurement mechanism.
Wherein, 1, base station; 2, measurement bay; 3, funnel; 4, quantitative pot; 5, discharging opening.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for explanation the present invention, but are not used for limiting the scope of the invention.
In FERRITE CORE manufacturing process, need through operations such as powder process, compacting, sintering.Before compressing, need to carry out to the powder that the powder process stage makes apparent density and measure, apparent density refers to powder under rated condition, freely be full of volumetric standard after, measured bulk density, the i.e. quality of unit volume during the loose filling of powder.Apparent density is the important parameter in the FERRITE CORE manufacturing process, and this is because apparent density is too high, causes the FERRITE CORE product strength that makes low, frangible; Apparent density is excessively low, causes ejection resistance to strengthen, easily delamination splitting.
Such as Fig. 1, a kind of magnetic apparent density of the present invention measurement mechanism comprises the known quantitative pot of volume 4, and quantitative pot 4 is used for determining the volume of powder, adopts quantitative pot 4 to determine that the method for powder volume is accurate and simple and easy to do; Quantitative pot 4 places above the base station 1, there are funnel 3 and discharging opening 5 thereof in quantitative pot 4 tops, funnel 3 is connected by measurement bay 2 with base station 1, funnel 3 is used for storing the powder that is about to fall to entering quantitative pot 4, discharging opening 5 is the outlet of the powder in the quantitative pot 4, the design of funnel 3 and discharging opening 5 thereof can make powder slowly and at the uniform velocity fall into quantitative pot 4, the powder of being convenient to can stop timely after powder is filled in the quantitative pot 4 in the funnel 3 continues to fall, base station 1 is convenient to the placement of quantitative pot 4; The present invention also comprises electronic balance and try square, quality when electronic balance be used for to be measured the quality of quantitative pot 4 and quantitative pot 4 and filled powder, use the simple to operate and accurate of electronic balance measurement quality, try square is used for scraping off the powder that quantitative pot 4 is piled up above, powder is flushed with the mouth of quantitative pot 4, accurate to guarantee that the powder apparent density is measured.
The measuring method of a kind of magnetic apparent density of the present invention measurement mechanism is as follows:
Before the operation, first with funnel 3, quantitative pot 4 wiped clean;
Quality with the weighed measuring tank 4 of electronic balance;
Unclamp hand, the powder in the funnel 3 is fallen into quantitative pot 4 through discharging opening 5;
After quantitative pot 4 is filled powder, scrape off the powder that quantitative pot 4 is piled up above with try square, the powder in the quantitative pot 4 is flushed with the mouth of quantitative pot 4;
Perhaps, directly in quantitative pot 4, pour powder into, after powder falls to expiring in quantitative pot 4, scrape off the powder of piling up on the quantitative pot 4 with try square, so that powder flushes with the mouth of quantitative pot 4;
At last, use the quality of the weighed measuring tank 4 of electronic balance and powder;
The difference of former and later two quality is compared with the known volume of quantitative pot 4, is the apparent density of powder.
Above-mentioned electronic balance is replaceable to be other known weighing device, such as spring balance.
Above-mentioned try square is replaceable for having other instrument of plane or straight line, such as scraper plate.
Above-mentioned quantitative pot 4 is replaceable to be the known container of other volume, such as quantitative box, volumetric bottle.
Above-mentioned discharging opening 5 places are provided with for the thin slice of opening with sealing usefulness, thin slice and funnel 3 are riveted together, thin slice can relatively rotate with funnel 3, when feeding in raw material to quantitative pot 4, with the thin slice turn-off, allow powder flow out from discharging opening 5, after powder in the quantitative pot 4 falls to expiring, thin slice is gone back to discharging opening 5 belows, discharging opening 5 is sealed, stop powder.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvement and replacement, these improvement and replacement also should be considered as protection scope of the present invention.
Claims (9)
1. a magnetic apparent density measurement mechanism is characterized in that, comprises weighing device, and the container that volume is known and aid, aid are used for scraping off the powder that container is piled up above, and powder is flushed with the opening of container.
2. magnetic apparent density measurement mechanism according to claim 1, it is characterized in that, measurement mechanism also comprises the base station (1) of placing the known container of described volume, there is funnel (3) described base station (1) top, and funnel (3) bottom is provided with the described funnel of discharging opening (5) (3) and links together by measurement bay (2) with described base station (1).
3. magnetic apparent density measurement mechanism according to claim 2 is characterized in that, the container that described volume is known is quantitative pot (4).
4. magnetic apparent density measurement mechanism according to claim 1 is characterized in that, described aid is try square.
5. magnetic apparent density measurement mechanism according to claim 1 is characterized in that, described aid is scraper plate.
6. magnetic apparent density measurement mechanism according to claim 1 is characterized in that, described weighing device is electronic balance.
7. each described magnetic apparent density measurement mechanism is characterized in that according to claim 1-6, and described discharging opening (5) is located to be provided with for the thin slice of opening with sealing usefulness.
8. the measuring method of a magnetic apparent density is characterized in that, uses the known container of described volume to determine the volume of powder to be measured, uses weighing device to determine the quality of powder to be measured, and the quality of the powder that records is compared the density that obtains powder with volume.
9. the measuring method of a magnetic apparent density as claimed in claim 8 is characterized in that, measuring method also comprises, before the operation, first with funnel (3), quantitative pot (4) wiped clean; Quality with the weighed measuring tank of electronic balance (4); Quantitative pot (4) is put on the base station (1), under the funnel (3), blocks discharging opening (5) with hand, powder is packed in the funnel (3); Unclamp hand, the powder in the funnel (3) is fallen into quantitative pot (4) through discharging opening (5); After quantitative pot (4) is filled powder, scrape off the powder that quantitative pot (4) is piled up above with aid, the powder in the quantitative pot (4) is flushed with the mouth of quantitative pot (4); The quality that claims to fill the quantitative pot (4) of powder with electronic balance; The ratio of the volume of the difference of two inferior qualities and quantitative pot (4) is the apparent density of powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102877189A CN103364306A (en) | 2013-07-10 | 2013-07-10 | Magnetic powder apparent density measuring device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013102877189A CN103364306A (en) | 2013-07-10 | 2013-07-10 | Magnetic powder apparent density measuring device and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103728206A (en) * | 2013-12-20 | 2014-04-16 | 吴江市震宇缝制设备有限公司 | Device for measuring apparent density of granular powder |
| CN104897522A (en) * | 2015-06-05 | 2015-09-09 | 西安近代化学研究所 | Automatic castable explosive fluidity measuring device |
| CN104949901A (en) * | 2015-07-14 | 2015-09-30 | 西安近代化学研究所 | Explosive and powder modeling powder free-running property testing method |
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| US20060065063A1 (en) * | 2004-09-24 | 2006-03-30 | Kalidindi Sanyasi R | Apparatus for testing powder properties |
| CN200952993Y (en) * | 2006-09-05 | 2007-09-26 | 中国铝业股份有限公司 | Powder physical performance testing instrument |
| CN202075196U (en) * | 2011-04-18 | 2011-12-14 | 中山市华明泰化工材料科技有限公司 | Stacking density tester |
| CN203414379U (en) * | 2013-07-10 | 2014-01-29 | 张家港比迪凯磁技有限公司 | Device for measuring magnetic powder apparent density |
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2013
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| US20060065063A1 (en) * | 2004-09-24 | 2006-03-30 | Kalidindi Sanyasi R | Apparatus for testing powder properties |
| CN200952993Y (en) * | 2006-09-05 | 2007-09-26 | 中国铝业股份有限公司 | Powder physical performance testing instrument |
| CN202075196U (en) * | 2011-04-18 | 2011-12-14 | 中山市华明泰化工材料科技有限公司 | Stacking density tester |
| CN203414379U (en) * | 2013-07-10 | 2014-01-29 | 张家港比迪凯磁技有限公司 | Device for measuring magnetic powder apparent density |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103728206A (en) * | 2013-12-20 | 2014-04-16 | 吴江市震宇缝制设备有限公司 | Device for measuring apparent density of granular powder |
| CN104897522A (en) * | 2015-06-05 | 2015-09-09 | 西安近代化学研究所 | Automatic castable explosive fluidity measuring device |
| CN104949901A (en) * | 2015-07-14 | 2015-09-30 | 西安近代化学研究所 | Explosive and powder modeling powder free-running property testing method |
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Application publication date: 20131023 |