CN103495498B - A kind of poly-magnetic magnetic core for magnetic separation roller - Google Patents
A kind of poly-magnetic magnetic core for magnetic separation roller Download PDFInfo
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- CN103495498B CN103495498B CN201310448223.XA CN201310448223A CN103495498B CN 103495498 B CN103495498 B CN 103495498B CN 201310448223 A CN201310448223 A CN 201310448223A CN 103495498 B CN103495498 B CN 103495498B
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Abstract
The invention discloses a kind of poly-magnetic magnetic core for magnetic separation roller, comprise core axis 1, support 2, supporting walls 3 and poly-magnetic installing plate 4, magnet piece 5, the cross section of described supporting walls 3 is curved, be fixedly connected with core axis 1 by support 2, described magnet piece 5 is fixedly mounted on described supporting walls 3 by poly-magnetic installing plate, and two magnet pieces 5 are fixed on side by side on one piece of poly-magnetic installing plate and form a poly-magnetic group, wherein two magnet pieces fit tightly, and pole orientation is identical.The present invention adopts poly-abampere packing technique, on the one hand, decreases magnetic loss, adds magnetic field intensity and the field depth of magnetic core, and the consumption of the magnet piece reduced on the other hand, has saved cost, and can reduce the wearing and tearing of core axis and miscellaneous part, the service life of extension device.
Description
Technical field
The invention belongs to magnetic plant field, be specifically related to a kind of poly-magnetic magnetic core for magnetic separation roller.
Background technology
Magnetic core is the important component part of the core component of machine cylinder formula magnetic separator, magnetic plant, is widely used in ore dressing field, and the function of performance to magnetic plant of magnetic core has decisive role.Magnetic core in the cylinder magnetic separator that current application is more is mainly made up of core axis and magnet piece fixed thereon, according to the difference of magnetic separator type, described magnet piece can be distributed on the whole outer peripheral face of described core axis, also can only distribute in the part cambered surface region (being the sector region core axis circumference from cross section) of core axis periphery.The magnetic field intensity that magnetic core can provide is the important parameter of magnetic plant, usually needs the magnetic field intensity that magnetic core can provide high as far as possible in actual applications, to ensure recovery or the separating effect of mineral while enhancing productivity.But, along with the increase of material bed thickness, mineral from magnetic core distance more away from, magnetic field intensity decay is more serious, thus affect magnetic separation effect, for increasing the magnetic field intensity of magnetic core, the method usually adopted at present is at core axis periphery arranging multiplayer magnet piece or magnet piece bunchiness is arranged in core axis periphery, as shown in Figure 1.Adopt these class methods can increase magnetic field intensity to a certain extent, but add the consumption of magnet piece, add equipment cost, and considerably increase the weight of magnetic core, increase wear and tear in machines, there is significant limitation.
Summary of the invention
The present invention is directed to the problems referred to above, provide a kind of poly-magnetic magnetic core for magnetic separation roller, adopt poly-abampere packing technique, significantly reduce magnetic loss, under the prerequisite not increasing magnet piece, improve the magnetic field intensity on magnetic separation roller surface.
The present invention is achieved through the following technical solutions:
A kind of poly-magnetic magnetic core for magnetic separation roller, comprise core axis 1, support 2, supporting walls 3 and poly-magnetic installing plate 4, magnet piece 5, the cross section of described supporting walls 3 is curved, be fixedly connected with core axis 1 by support 2, described magnet piece 5 is fixedly mounted on described supporting walls 3 by poly-magnetic installing plate, and two magnet pieces 5 are fixed on side by side on one piece of poly-magnetic installing plate and form a poly-magnetic group, wherein two magnet pieces fit tightly, and pole orientation is identical.Two magnet piece pole orientation are identical, are each other to repel, and make it fit tightly by force by poly-magnetic installing plate, produce poly-magnetic effect, significantly can reduce magnetic loss, effectively overcome the decay of the magnetic line of force between three, increase field intensity and the field depth of working face.
In order to increase poly-magnetic effect, described poly-magnetic installing plate is the iron plate or steel plate that magnetic conductivity is higher.
Installation conveniently between described poly-magnetic group and described support arm 3 is fixed, and the part that described supporting walls 3 contacts with described poly-magnetic installing plate 4 is plane.Such as, described support arm is that its cross-sectional circumference is the multi-section-line of approximate camber line by the rectangular approximate cambered surface pieced together suitable with described poly-magnetic group width.
Alternately, the central angle of described cambered surface supporting walls 3 correspondence is 90-150 °, adopts this angular range can reach good magnetic separation effect.When the central angle of cambered surface supporting walls 3 correspondence is 135 °, magnetic separation has better effect.
Alternately, have gap between described poly-magnetic group, line direction and the described supporting walls 3 of the Central-South north magnetic pole of described poly-magnetic group are basically identical in the normal direction at this place.Gap is there is between poly-magnetic group, poly-magnetic group is uniformly distributed close on the periphery of arc at supporting walls 3, and ensure the line direction of the poly-Central-South north magnetic pole of magnetic group and described supporting walls 3 basically identical in the normal direction at this place, thus make magnetic induction line and magnetic separation roller outer peripheral face keep vertical as far as possible, to ensure magnetic field intensity.
Alternately, all poly-magnetic groups are north poles facing outward or are the South Pole outwardly.Get between poly-magnetic group identical towards, the magnetic loss between poly-magnetic group can be reduced, strengthen magnetic field intensity further.
Alternately, described poly-magnetic group in column distribution, at the circumferencial direction of described supporting walls 3, has gap between described poly-magnetic group, at the continuous close-packed arrays of axially described poly-magnetic group of described supporting walls 3 on described supporting walls 3.Axially continuous at described supporting walls 3 of poly-magnetic group, but produce poly-magnetic effect further between poly-magnetic group, increase field intensity and field depth.
Alternately, the all poly-magnetic installing plate 3 that same row gather in magnetic group is substituted by one piece of poly-magnetic installing plate of the entirety of the strip along supporting walls axis, these row all magnet pieces 5 gathered in magnetic group fit tightly formation two row mutually, are fixedly mounted on described entirety and gather on magnetic installing plate.It is unified fixing that two row magnet gather magnetic installing plate by one piece of entirety, and poly-magnetic effect is stronger.
Alternately, to be fixedly connected with described in the present invention or hard-wired fixed form can select screw thread to fix or other detachable fixed forms, to be convenient to install, dismounting and safeguarding.
All features disclosed in this description, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Beneficial effect of the present invention:
The present invention adopts poly-abampere packing technique, on the one hand, decreases magnetic loss, adds magnetic field intensity and the field depth of magnetic core, and the consumption of the magnet piece reduced on the other hand, has saved cost, and can reduce the wearing and tearing of core axis and miscellaneous part, the service life of extension device.
Accompanying drawing explanation
Fig. 1 is the cross sectional representation of magnetic core of the prior art.
Fig. 2 is the cross sectional representation of magnetic core described in embodiment 2.
Fig. 3 is that enlarged diagram is overlooked in the local of magnetic core described in embodiment 2.
Fig. 4 is the schematic diagram of poly-magnetic group described in embodiment 2
Reference numeral: wherein, 1 is core axis, and 2 is support, and 3 is supporting walls, and 4 is poly-magnetic installing plate, and 5 is magnet piece, and 6 is magnetic separation roller shell, and 7 is bolt.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described, it should be understood that these embodiments only for the object of illustration, never limit the scope of the invention.
embodiment 1
A kind of poly-magnetic magnetic core for magnetic separation roller, comprise core axis 1, support 2, supporting walls 3 and poly-magnetic installing plate 4, magnet piece 5, the cross section of described supporting walls 3 is curved, be fixedly connected with core axis 1 by support 2, described magnet piece 5 is fixedly mounted on described supporting walls 3 by poly-magnetic installing plate, and two magnet pieces 5 are fixed on side by side on one piece of poly-magnetic installing plate and form a poly-magnetic group, wherein two magnet pieces fit tightly, and pole orientation is identical.
Described poly-magnetic installing plate can select the iron plate or steel plate that magnetic conductivity is higher.
Described supporting walls 3 can be one block of steel plate bending to the entirety of cambered surface.Installation conveniently between described poly-magnetic group and described support arm 3 is fixed, and the part that described supporting walls 3 also can be made to contact with described poly-magnetic installing plate 4 is plane.Such as, described support arm is that its cross-sectional circumference is the multi-section-line of approximate camber line by the rectangular approximate cambered surface pieced together suitable with described poly-magnetic group width.During installation, first the support arm split of described strip can be fixed (mode of welding can be selected to fix, screw thread also can be adopted to fix) and form overall support arm, then poly-magnetic group is fixedly mounted on the relevant position on described support arm; Also first described poly-magnetic group can be fixedly mounted on the support arm of described strip respectively, then carry out split and fix.
According to practical application needs, described cambered surface supporting walls 3 can be complete cylinder (magnetic field covers within the scope of 360 ° comprehensively), also can be the arc surface of part, corresponding central angle (having the central angle that the scope in magnetic field is corresponding) is 90-150 °, and the present embodiment have chosen 90 °, 135 °, 150 ° and 360 ° of four kinds of situations exemplarily respectively.
Can also make there is gap between described poly-magnetic group, line direction and the described supporting walls 3 of the Central-South north magnetic pole of described poly-magnetic group are basically identical in the normal direction at this place.
All poly-magnetic groups can also be made to be north poles facing outward or to be the South Pole outwardly.
Can also be described poly-magnetic group on described supporting walls 3 in column distribution, at the circumferencial direction of described supporting walls 3, between described poly-magnetic group, have gap, at the continuous close-packed arrays of axially described poly-magnetic group of described supporting walls 3.The all poly-magnetic installing plate 3 that same row can also be gathered in magnetic group is substituted by one piece of poly-magnetic installing plate of the entirety of the strip along supporting walls axis, these row all magnet pieces 5 gathered in magnetic group fit tightly formation two row mutually, are fixedly mounted on described entirety and gather on magnetic installing plate.It is unified fixing that two row magnet gather magnetic installing plate by one piece of entirety, and poly-magnetic effect is stronger.
To be fixedly connected with described in the present invention or hard-wired fixed form can select screw thread to fix or other detachable fixed forms, to be convenient to install, dismounting and safeguarding.
The core axis shell 6 of magnetic separation roller being arranged on the various magnetic cores described in the present embodiment by end cap and bearing can be formed the agent structure of corresponding magnetic separation roller.
Compared with the magnetic core of (as shown in Figure 1) when four layers of magnet piece be set in prior art, the magnetic separation roller surface adopting the various magnetic cores described in the present embodiment to make has higher magnetic field intensity, all at more than 4000Gs, and when leaving cylinder surface, the attenuation trend in magnetic field is also significantly less than the situation adopting magnetic core of the prior art to make
embodiment 2
As Figure 1-4, a kind of poly-magnetic magnetic core for magnetic separation roller, comprise core axis 1, support 2, supporting walls 3 and poly-magnetic installing plate 4, magnet piece 5, the cross section of described supporting walls 3 is curved, the central angle of its correspondence is 135 °, supporting walls 3 is fixedly connected with core axis 1 by support 2, described magnet piece 5 is fixedly mounted on described supporting walls 3 by poly-magnetic installing plate, two magnet pieces 5 are fixed on side by side on one piece of poly-magnetic installing plate and form a poly-magnetic group, wherein two magnet pieces fit tightly, and pole orientation is identical.Described supporting walls 3, poly-magnetic installing plate 4 and magnet piece 5 are by the fixing assembling (as shown in Figure 4) of bolt 7, on the circumferential and axial of supporting walls 3, all certain gap is provided with between described poly-magnetic group, line direction and the described supporting walls (3) of the Central-South north magnetic pole of described poly-magnetic group are basically identical in the normal direction at this place, and all magnet pieces are north poles facing outward or are the South Pole outwardly.
Described supporting walls 3 can be one block of steel plate bending to the entirety of cambered surface.Installation conveniently between described poly-magnetic group and described support arm 3 is fixed, and the part that described supporting walls 3 also can be made to contact with described poly-magnetic installing plate 4 is plane.Such as, described support arm is that its cross-sectional circumference is the multi-section-line of approximate camber line by the rectangular approximate cambered surface pieced together suitable with described poly-magnetic group width.During installation, first the support arm split of described strip can be fixed (mode of welding can be selected to fix, screw thread also can be adopted to fix) and form overall support arm, then poly-magnetic group is fixedly mounted on the relevant position on described support arm; Also first described poly-magnetic group can be fixedly mounted on the support arm of described strip respectively, then carry out split and fix.
The core axis shell 6 of magnetic separation roller being arranged on the various magnetic cores described in the present embodiment by end cap and bearing can be formed the agent structure of corresponding magnetic separation roller.
Compared with the magnetic core of (as shown in Figure 1) when four layers of magnet piece be set in prior art, the magnetic separation roller surface adopting the magnetic core described in the present embodiment to make has higher magnetic field intensity, 5000Gs can be reached, and when leaving cylinder surface, the attenuation trend in magnetic field is also significantly less than the situation adopting magnetic core of the prior art to make.
The foregoing is only the preferred embodiments of the present invention, is only illustrative for the purpose of the present invention, and nonrestrictive; Those of ordinary skill in the art understand, and can carry out many changes in the spirit and scope that the claims in the present invention limit to it, amendment, and even equivalence is changed, but all will fall into protection scope of the present invention.
Claims (10)
1. the poly-magnetic magnetic core for magnetic separation roller, it is characterized in that, comprise core axis (1), support (2), supporting walls (3), poly-magnetic installing plate (4) and magnet piece (5), the cross section of described supporting walls (3) is curved, be fixedly connected with core axis (1) by support (2), described magnet piece (5) is fixedly mounted on described supporting walls (3) by poly-magnetic installing plate, two magnet pieces (5) are fixed on side by side on one piece of poly-magnetic installing plate and form a poly-magnetic group, wherein two magnet pieces fit tightly, and pole orientation is identical, described poly-magnetic group is upper in column distribution at described supporting walls (3), gap is had between poly-magnetic group described in circumferencial direction in described supporting walls (3), at the continuous close-packed arrays of axially described poly-magnetic group of described supporting walls (3), the all poly-magnetic installing plate (4) that same row gather in magnetic group is substituted by one piece of poly-magnetic installing plate of the entirety of the strip along supporting walls axis, all magnet pieces (5) that these row gather in magnetic group fit tightly formation two row mutually, being fixedly mounted on described entirety gathers on magnetic installing plate, line direction and the described supporting walls (3) of the Central-South north magnetic pole of described poly-magnetic group are basically identical in the normal direction at this place.
2. the poly-magnetic magnetic core for magnetic separation roller according to claim 1, is characterized in that, described poly-magnetic installing plate is iron plate or steel plate.
3. the poly-magnetic magnetic core for magnetic separation roller according to claim 1, is characterized in that, the part that described supporting walls (3) contacts with described poly-magnetic installing plate (4) is plane.
4. the poly-magnetic magnetic core for magnetic separation roller according to claim 1, is characterized in that, the central angle that described supporting walls (3) is corresponding is 90-150 °.
5. the poly-magnetic magnetic core for magnetic separation roller according to claim 1, is characterized in that, the central angle that described supporting walls (3) is corresponding is 135 °.
6. the poly-magnetic magnetic core for magnetic separation roller according to claim 1, is characterized in that, described poly-magnetic group is uniformly distributed close on the periphery of arc at supporting walls (3).
7. the poly-magnetic magnetic core for magnetic separation roller according to claim 1, is characterized in that, all poly-magnetic groups are north poles facing outward or are the South Pole outwardly.
8. the poly-magnetic magnetic core for magnetic separation roller according to claim 1, is characterized in that, described support arm is that its cross-sectional circumference is the multi-section-line of approximate camber line by the rectangular approximate cambered surface pieced together suitable with described poly-magnetic group width.
9. the poly-magnetic magnetic core for magnetic separation roller according to claim 1, is characterized in that, described supporting walls (3) is one block of steel plate bending to the entirety of cambered surface.
10., according to the poly-magnetic magnetic core for magnetic separation roller in claim 1-9 described in any one, it is characterized in that, described in be fixedly connected with or hard-wired fixed form is that screw thread is fixed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310448223.XA CN103495498B (en) | 2013-09-27 | 2013-09-27 | A kind of poly-magnetic magnetic core for magnetic separation roller |
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| CN201310448223.XA CN103495498B (en) | 2013-09-27 | 2013-09-27 | A kind of poly-magnetic magnetic core for magnetic separation roller |
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| CN103495498B true CN103495498B (en) | 2016-04-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103990542A (en) * | 2014-05-20 | 2014-08-20 | 攀枝花市长森工贸有限公司 | Roller of constant-temperature condensing type iron-titanium magnetic separator |
| CN104275239A (en) * | 2014-09-11 | 2015-01-14 | 马鞍山起劲磁塑科技有限公司 | Purification device of iron scale in ferrite magnetic powder raw material |
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| CN2301260Y (en) * | 1996-06-13 | 1998-12-23 | 黄焕文 | Iron remover |
| UA51595C2 (en) * | 2002-08-20 | 2006-01-16 | Ukrekolohia Ltd Liability Res | Magnetic system of drum separator |
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Address after: 617000 Panzhihua city of Sichuan Province East bailuo Road No. 597 Gangcheng Avenue East Patentee after: PANZHIHUA CHANGSEN MAGNETIC TECHNOLOGY CO., LTD. Address before: 617000 Panzhihua city of Sichuan Province East bailuo Road No. 597 Gangcheng Avenue East Patentee before: Panzhihua Changsen Industrial and Trading Co., Ltd. |