JP3978691B2 - Magnetic separator - Google Patents

Magnetic separator Download PDF

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Publication number
JP3978691B2
JP3978691B2 JP18149496A JP18149496A JP3978691B2 JP 3978691 B2 JP3978691 B2 JP 3978691B2 JP 18149496 A JP18149496 A JP 18149496A JP 18149496 A JP18149496 A JP 18149496A JP 3978691 B2 JP3978691 B2 JP 3978691B2
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JP
Japan
Prior art keywords
cover
bottom plate
magnetic
separator
permanent magnet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP18149496A
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Japanese (ja)
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JPH105619A (en
Inventor
屋 光 秋 土
田 恵 久 前
伯 孝 志 佐
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMC Corp
Original Assignee
SMC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to JP18149496A priority Critical patent/JP3978691B2/en
Publication of JPH105619A publication Critical patent/JPH105619A/en
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Publication of JP3978691B2 publication Critical patent/JP3978691B2/en
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Description

【0001】
【発明の属する技術分野】
本発明は、タンク等の貯留槽に貯留した液体中の磁性体夾雑物を吸着するマグネットセパレータに関するものである。
【0002】
【従来の技術】
電磁力利用の液体圧機器においては、該液体圧機器に供給される液体中に磁性体夾雑物(鉄粉等の磁性体の微粉)が含まれていると、この夾雑物によって機器の作動に支障を生ずる場合があるので、予めマグネットセパレータによって磁性体夾雑物を除去する必要がある。
【0003】
上記マグネットセパレータとして、図4及び図5に示すものが知られている。
図4に示すマグネットセパレータ1は、ステンレス鋼で所望の形状に成形したカバー2内に、永久磁石3と鉄板製のスぺーサ4とを挿入し、カバー2の空間に溶融した合成樹脂5を充填してこれらを一体としたものである。図中の符号6,6は、把手(図示省略)等を取付けるための取付部材である。
しかしながら、上記マグネットセパレータ1は、溶融した合成樹脂5が固化するまでの待ち時間が必要になり、しかも固化が完了するまでは梱包等の次の作業に進むことができない。また、固化が完了するまで放置するスペースが必要になるから、大量に生産する場合には放置のための大きなスペースが必要になるという問題がある。
さらに、溶融した合成樹脂5が、カバー2と永久磁石間3との間に流入してこれらの間の距離が大きくなり、このためマグネットセパレータ1の吸着力が低下するという問題もある。
【0004】
図5に示すマグネットセパレータ7は、上記カバー2内に永久磁石3とスぺーサ4とを挿入し、カバー2の開口を金属製の底板8で覆い、カバー2の側壁周縁と底板8の周縁とを溶接によって一体としたものである。
しかしながら、このマグネットセパレータ7は、溶接部9が冷却するまでの待ち時間が必要なために、上記マグネットセパレータ1と同じ問題があり、しかも溶接機が必要になる。
また、溶接後にカバー2と永久磁石3との間に間隙を生ずることがあり、間隙が生ずるとマグネットセパレータ7の吸着力が低下する。
【0005】
【発明が解決しようとする課題】
本発明が解決しようとする課題は、隙間による吸着力の低下がなく、かつ製作時間を大幅に短縮できるマグネットセパレータを提供することにある。
【0006】
【課題を解決するための手段】
上記課題を解決するため、本発明のマグネットセパレータは、永久磁石、磁性体のスぺーサ、及びこれらを覆う非磁性体のカバーを備え、永久磁石によって液体中の磁性体夾雑物をカバーに吸着するマグネットセパレータにおいて、上記マグネットセパレータが上記カバーに圧入される非磁性体の底板を備え、上記底板のカバーへの圧入によってこれらの部材を互いに密接させて一体に組み付けたことを特徴としている。
【0007】
また、同様の課題を解決するため、上記マグネットセパレータにおいて、スぺーサと底板との間に、永久磁石をカバーに圧接させるための波形座金を設けたことを特徴としている。
【0008】
【発明の実施の形態】
図1ないし図3は本発明の実施例を示し、このマグネットセパレータ11は、ステンレス鋼等の非磁性材により皿状に形成したカバー12と、該カバー12内に挿入された永久磁石13、及び磁性体(磁性鋼)で形成したスぺーサ14と、アルミニウムダイカスト等の非磁性体で形成した底板15とを備え、これらの部材は、底板15のカバー12への圧入によって、カバー12内に互いに密接して一体に組み付けられており、カバー12と底板15は、カバー12の側壁を通して底板15の側面に螺着した取付ねじ16,16によって固定されている。
上記底板15は、中心部分に筒状の立ち上がり部18を備え、立ち上がり部18の上面に、円周方向の波形の屈曲によって弾性が付与された波形座金19が取付けられている。また、上記永久磁石13は、図における上下方向に着磁されている。
【0009】
上記マグネットセパレータ11は、カバー12内に永久磁石13及びスぺーサ14を挿入して、立ち上がり部18の上面に波形座金19を取付けた底板15をカバー12の周壁に圧入すると、これらの部材が互いに密接して一体に組み付けられる。
したがって、溶融した合成樹脂の充填や、カバーと底板の溶接によってこれらの部材を一体とした公知のセパレータと異なり、合成樹脂の固化や溶接部の冷却のための待ち時間がないために、これらの部材の組み付け後直ちに梱包等の次の作業を行うことができるので製作時間を大幅に短縮することができ、しかも固化や冷却のための放置スペースを必要としないので、狭い場所で製作することができる。
【0010】
また、底板15とスぺーサ14との間に設けた波形座金19の反力によって永久磁石13がカバー12に圧接されるために、永久磁石13とカバー12との間に隙間が生じないので、長時間使用してもセパレータ11による鉄粉等の磁性体夾雑物の吸着力が低下することはない。
【0011】
上記カバー12は非磁性体で形成したので、永久磁石13によってカバー12に吸着した磁性体夾雑物の除去が容易であり、ステンレス鋼とすると腐食性を有する液体にも使用することができる。また、底板15も非磁性体としたので、マグネットセパレータ11を、図示を省略しているタンク等の貯留槽内に設置した場合に、貯留槽の底に強固に吸着してその取出しが困難になることがない。
さらに、取付ねじ16,16を利用して、マグネットセパレータ11をタンクから取り出すための把手や、タンク内に固定するための固定部材(いずれも図示省略)を取付けることができる。
【0012】
【発明の効果】
本発明のマグネットセパレータは、底板のカバーへの圧入によって、カバー、永久磁石、スぺーサ及び底板を互いに密接させて一体に組み付けたことにより、待ち時間がないので製造時間を大幅に短縮することができ、しかも狭いスペースで連続して製造することができる。
また、スぺーサと底板との間に設けた波形座金により永久磁石がカバーに圧接されてこれらの間に隙間が生じないので、長期間使用してもマグネットセパレータの吸着力が低下することがない。
【図面の簡単な説明】
【図1】図2のA−A断面図である。
【図2】実施例の平面図である。
【図3】同じく側面図である。
【図4】従来のマグネットセパレータの断面図である。
【図5】他の従来例の断面図である。
【符号の説明】
11 マグネットセパレータ
12 カバー
13 永久磁石
14 スぺーサ
15 底板
16 取付ねじ
19 波形座金
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a magnetic separator that adsorbs magnetic contaminants in a liquid stored in a storage tank such as a tank.
[0002]
[Prior art]
In the liquid pressure equipment using electromagnetic force, if the liquid supplied to the liquid pressure equipment contains magnetic contaminants (fine powder of magnetic material such as iron powder), the contaminants cause the operation of the equipment. Since this may cause trouble, it is necessary to remove magnetic contaminants with a magnetic separator in advance.
[0003]
As the magnetic separator, those shown in FIGS. 4 and 5 are known.
The magnet separator 1 shown in FIG. 4 includes a permanent magnet 3 and a spacer 4 made of iron plate inserted in a cover 2 formed of stainless steel into a desired shape, and a synthetic resin 5 melted in the space of the cover 2. They are filled and integrated. Reference numerals 6 and 6 in the figure denote attachment members for attaching a handle (not shown) and the like.
However, the magnet separator 1 requires a waiting time until the molten synthetic resin 5 is solidified, and cannot proceed to the next operation such as packing until the solidification is completed. In addition, since a space to be left until solidification is required is required, there is a problem that a large space for leaving is required in the case of mass production.
Further, the melted synthetic resin 5 flows between the cover 2 and the permanent magnet 3 to increase the distance between them, so that the attractive force of the magnet separator 1 is reduced.
[0004]
The magnet separator 7 shown in FIG. 5 has the permanent magnet 3 and the spacer 4 inserted into the cover 2, covers the opening of the cover 2 with a metal bottom plate 8, and the peripheral edge of the side wall of the cover 2 and the peripheral edge of the bottom plate 8. Are integrated by welding.
However, since this magnet separator 7 requires a waiting time until the welded portion 9 cools, it has the same problem as the magnet separator 1 and requires a welding machine.
Further, a gap may be formed between the cover 2 and the permanent magnet 3 after welding, and when the gap is generated, the attractive force of the magnet separator 7 is reduced.
[0005]
[Problems to be solved by the invention]
The problem to be solved by the present invention is to provide a magnet separator that does not cause a decrease in attractive force due to a gap and can significantly reduce the manufacturing time.
[0006]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, the magnet separator of the present invention includes a permanent magnet, a magnetic spacer, and a nonmagnetic cover that covers the permanent magnet, and adsorbs magnetic contaminants in the liquid to the cover by the permanent magnet. The magnet separator includes a non-magnetic bottom plate that is press-fitted into the cover, and these members are brought into close contact with each other by press-fitting the bottom plate into the cover.
[0007]
In order to solve the same problem, the magnet separator is characterized in that a corrugated washer is provided between the spacer and the bottom plate to press the permanent magnet against the cover.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
1 to 3 show an embodiment of the present invention. This magnet separator 11 includes a cover 12 formed in a dish shape from a nonmagnetic material such as stainless steel, a permanent magnet 13 inserted into the cover 12, and A spacer 14 formed of a magnetic material (magnetic steel) and a bottom plate 15 formed of a nonmagnetic material such as aluminum die casting are provided. These members are inserted into the cover 12 by press-fitting the bottom plate 15 into the cover 12. The cover 12 and the bottom plate 15 are fixed together by mounting screws 16 and 16 that are screwed to the side surface of the bottom plate 15 through the side wall of the cover 12.
The bottom plate 15 includes a cylindrical rising portion 18 at a central portion, and a corrugated washer 19 to which elasticity is imparted by bending the waveform in the circumferential direction is attached to the upper surface of the rising portion 18. The permanent magnet 13 is magnetized in the vertical direction in the figure.
[0009]
When the permanent magnet 13 and the spacer 14 are inserted into the cover 12 and the bottom plate 15 having the corrugated washer 19 attached to the upper surface of the rising portion 18 is press-fitted into the peripheral wall of the cover 12, They are assembled closely together.
Therefore, unlike known separators in which these members are integrated by filling with synthetic resin melted or welding the cover and the bottom plate, there is no waiting time for solidification of the synthetic resin and cooling of the welded portion. Since the following operations such as packing can be performed immediately after assembly of the members, the production time can be greatly shortened, and there is no need for neglected space for solidification or cooling, so it can be produced in a narrow place. it can.
[0010]
Further, since the permanent magnet 13 is pressed against the cover 12 by the reaction force of the corrugated washer 19 provided between the bottom plate 15 and the spacer 14, there is no gap between the permanent magnet 13 and the cover 12. Even if it is used for a long time, the adsorbing power of magnetic contaminants such as iron powder by the separator 11 does not decrease.
[0011]
Since the cover 12 is formed of a non-magnetic material, it is easy to remove the magnetic contaminants adsorbed to the cover 12 by the permanent magnet 13, and if it is made of stainless steel, it can be used for a liquid having corrosive properties. Further, since the bottom plate 15 is also made of a non-magnetic material, when the magnet separator 11 is installed in a storage tank such as a tank (not shown), it is firmly adsorbed to the bottom of the storage tank and it is difficult to take it out. Never become.
Furthermore, a handle for removing the magnet separator 11 from the tank and a fixing member (both not shown) for fixing the magnet separator 11 in the tank can be attached using the mounting screws 16 and 16.
[0012]
【The invention's effect】
The magnet separator of the present invention greatly reduces the manufacturing time because there is no waiting time by press-fitting the bottom plate into the cover so that the cover, the permanent magnet, the spacer and the bottom plate are assembled in close contact with each other. And can be manufactured continuously in a narrow space.
In addition, since the permanent magnet is pressed against the cover by the corrugated washer provided between the spacer and the bottom plate, there is no gap between them, so the attractive force of the magnet separator may be reduced even after long-term use. Absent.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view taken along line AA in FIG.
FIG. 2 is a plan view of the embodiment.
FIG. 3 is a side view of the same.
FIG. 4 is a cross-sectional view of a conventional magnet separator.
FIG. 5 is a cross-sectional view of another conventional example.
[Explanation of symbols]
11 Magnet separator 12 Cover 13 Permanent magnet 14 Spacer 15 Bottom plate 16 Mounting screw 19 Corrugated washer

Claims (2)

永久磁石、磁性体のスぺーサ、及びこれらを覆う非磁性体のカバーを備え、永久磁石によって液体中の磁性体夾雑物をカバーに吸着するマグネットセパレータにおいて、
上記マグネットセパレータが上記カバーに圧入される非磁性体の底板を備え、
上記底板のカバーへの圧入によってこれらの部材を互いに密接させて一体に組み付けた、
ことを特徴とするマグネットセパレータ。
In a magnet separator that includes a permanent magnet, a spacer of a magnetic material, and a cover of a non-magnetic material that covers these, and adsorbs the magnetic contaminants in the liquid to the cover by the permanent magnet.
The magnetic separator comprises a non-magnetic bottom plate that is press-fitted into the cover,
These members were brought into close contact with each other by press-fitting into the cover of the bottom plate, and assembled together.
Magnetic separator characterized by that.
スぺーサと底板との間に、永久磁石をカバーに圧接させるための波形座金を設けた、
ことを特徴とする請求項1に記載したマグネットセパレータ。
A corrugated washer was installed between the spacer and the bottom plate to press the permanent magnet against the cover.
The magnet separator according to claim 1.
JP18149496A 1996-06-21 1996-06-21 Magnetic separator Expired - Lifetime JP3978691B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18149496A JP3978691B2 (en) 1996-06-21 1996-06-21 Magnetic separator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18149496A JP3978691B2 (en) 1996-06-21 1996-06-21 Magnetic separator

Publications (2)

Publication Number Publication Date
JPH105619A JPH105619A (en) 1998-01-13
JP3978691B2 true JP3978691B2 (en) 2007-09-19

Family

ID=16101745

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18149496A Expired - Lifetime JP3978691B2 (en) 1996-06-21 1996-06-21 Magnetic separator

Country Status (1)

Country Link
JP (1) JP3978691B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105478229A (en) * 2014-09-28 2016-04-13 抚顺欧柏丽电器成套制造有限公司 Magnetic separator installed and welded end cap

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Publication number Publication date
JPH105619A (en) 1998-01-13

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