JPS6174313A - Manufacture of core block - Google Patents
Manufacture of core blockInfo
- Publication number
- JPS6174313A JPS6174313A JP19475984A JP19475984A JPS6174313A JP S6174313 A JPS6174313 A JP S6174313A JP 19475984 A JP19475984 A JP 19475984A JP 19475984 A JP19475984 A JP 19475984A JP S6174313 A JPS6174313 A JP S6174313A
- Authority
- JP
- Japan
- Prior art keywords
- auxiliary
- core
- annular
- outer cylinder
- tube
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0233—Manufacturing of magnetic circuits made from sheets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野コ
本発明は分路リアクトル鉄心を構成するための鉄心ブロ
ックの製造方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method of manufacturing a core block for constructing a shunt reactor core.
［従来の技術］
分路リアクトル鉄心に使用する鉄心ブロックは第３図に
示すように長さが異なる電磁鋼板１を多数枚並べて扇形
鉄心２を形成し、この扇形鉄心を多数並べて一体化する
ことにより環状鉄心３を形成したものからなっている。[Prior Art] As shown in Fig. 3, an iron core block used in a shunt reactor core is made by arranging a large number of electromagnetic steel sheets 1 of different lengths to form a fan-shaped iron core 2, and arranging a large number of these fan-shaped iron cores to integrate them. The annular iron core 3 is formed by the following.
ところで、従来この種の鉄心ブロックを製造する場合に
は、第３図に示すように、多数枚の電磁鋼板を積層して
形成した扇形鉄心を多数並べて円環状とした後、第４図
の断面図に示す如くその外周面にガラステープ等の耐熱
性テープ４を巻きつけて縛るとともに、この環状鉄心３
の上面に複数のスペーサ５を載置する。次いで環状鉄心
３の上面に接着剤を流して真空中で該接着剤を電磁鋼板
の積層間に含浸させて、加熱硬化させることにより鉄心
ブロックを得ている。By the way, when manufacturing this kind of iron core block conventionally, as shown in Fig. 3, a large number of sector-shaped iron cores formed by laminating a large number of electromagnetic steel sheets are arranged to form an annular shape, and then the cross section shown in Fig. 4 is made. As shown in the figure, a heat-resistant tape 4 such as a glass tape is wrapped around the outer peripheral surface of the annular core 3 and tied up.
A plurality of spacers 5 are placed on the upper surface of. Next, an iron core block is obtained by pouring an adhesive onto the upper surface of the annular iron core 3, impregnating the adhesive between the laminated layers of the electromagnetic steel sheets in a vacuum, and heating and hardening the adhesive.
［発明が解決しようとする問題点］
上記のｙＪ造方法で電Ｗ１鋼板が安定に締付けられた鉄
心ブロックを得るためには、鋼板相互間を予め仮接着し
ておく必要があり、この作業には多くの手間がかかるた
め、甚だ作業能率が悪かった。[Problems to be Solved by the Invention] In order to obtain an iron core block in which electric W1 steel plates are stably tightened using the above-mentioned yJ construction method, it is necessary to temporarily bond the steel plates to each other in advance. Because it took a lot of time and effort, the work efficiency was extremely low.
また上記の方法では、接着剤を硬化させるために加熱し
た際に粘度が低下した接着剤の一部が鉄心の上面から流
下する虞れがあった。Further, in the above method, there is a risk that a portion of the adhesive whose viscosity has decreased when heated to cure the adhesive may flow down from the upper surface of the iron core.
そこで、第５図に示すように注型金型６を用いて、この
金型内で電磁鋼板の積層及びスペーサの配設を行った後
、金型内に樹脂を注入して加熱硬化させる方法が提案さ
れたが、この方法は、金型が高価であり、しかも製造す
る鉄心ブロックの寸法が変る毎に異なる金型を必要とす
るため製品のコストが高くなる欠点があった。Therefore, as shown in Fig. 5, a method is used in which a casting mold 6 is used, and after laminating electrical steel sheets and arranging spacers in this mold, resin is injected into the mold and hardened by heating. was proposed, but this method had the drawback that the molds were expensive and, moreover, a different mold was required each time the dimensions of the iron core block to be manufactured changed, increasing the cost of the product.
［発明が解決しようとする問題点］
本発明の目的は高価な金型を使用せず、しかも多くの手
間を要せずに環状の鉄心ブロックを安価に製造すること
ができる鉄心ブロックの製造方法を提供することにある
。[Problems to be Solved by the Invention] An object of the present invention is to provide a method for producing an annular core block at low cost without using expensive molds and without requiring much labor. Our goal is to provide the following.
［問題点を解決するための手段１
本発明の方法では、先ず、電磁鋼板の積層体からなる環
状鉄心の内周及び外周にそれぞれ該環状鉄心より高さが
低い内筒及び外筒を配置した構造を有する環状鉄心構造
体を定盤の上に形成する工程を行なう。次いで前記内筒
及び外筒の上にそれぞれ補助内筒及び補助外筒を継足し
て該内筒及び外筒と補助内筒及び補助外筒とにより鉄心
注型枠を構成する工程を行ない、その後前記鉄心注型枠
内に合成樹脂液を流し込んで該合成樹脂を加熱硬化さｉ
る工程を行う。そして前記合成樹脂が硬化した後に前記
補助内筒及び補助外筒を取除き、鉄心ブロックを完成す
る。[Means for Solving the Problems 1] In the method of the present invention, first, an inner cylinder and an outer cylinder having a height lower than that of the annular core are arranged on the inner and outer peripheries of the annular core made of a laminate of electromagnetic steel sheets, respectively. A step of forming an annular core structure having a structure on a surface plate is performed. Next, a step of adding an auxiliary inner cylinder and an auxiliary outer cylinder to the inner cylinder and the outer cylinder, respectively, and constructing an iron core casting frame by the inner cylinder and outer cylinder, and the auxiliary inner cylinder and the auxiliary outer cylinder, and then A synthetic resin liquid is poured into the core casting frame and the synthetic resin is cured by heating.
Perform the process. After the synthetic resin is cured, the auxiliary inner cylinder and the auxiliary outer cylinder are removed to complete the iron core block.
［発明の作用］
上記のように、本発明の方法によれば、鉄心ブロックの
内周面及び外周面に添わせて内筒及び外筒が配置される
ので、鉄心ブロックの強度を高めることができる。また
鉄心ブロックを補強するための内筒及び外筒は鉄心注型
枠を兼ねるため、従来必要としたような金型は不要にな
る。更に、内筒及び外筒は取外す必要がないので、製造
工数の削減を図ることができ、金型が不要になることと
相俟って鉄心ブロックの製造コストの低減を図ることが
できる。[Operation of the Invention] As described above, according to the method of the present invention, since the inner cylinder and the outer cylinder are arranged along the inner peripheral surface and the outer peripheral surface of the iron core block, the strength of the iron core block can be increased. can. Furthermore, since the inner cylinder and outer cylinder for reinforcing the core block also serve as core casting frames, there is no need for the conventional molds. Furthermore, since it is not necessary to remove the inner cylinder and the outer cylinder, it is possible to reduce the number of manufacturing steps, and together with the elimination of the need for a mold, it is possible to reduce the manufacturing cost of the iron core block.
［実施例］ 以下添附図面を参照して本発明の詳細な説明する。[Example] The present invention will be described in detail below with reference to the accompanying drawings.
第１図は本発明に係る鉄心ブロックの製造方法における
注型作業時の状態を示す断面図であり、第２図は本発明
により得られた鉄心ブロックを示す断面図である。FIG. 1 is a cross-sectional view showing a state during casting operation in the method for manufacturing a core block according to the present invention, and FIG. 2 is a cross-sectional view showing a core block obtained by the present invention.
本発明の方法では、先ず定ｓｉｏの上に公知の扇形鉄心
積層用ガイド金具（図示せず。）を配置し、該ガイド金
具に合せて電１１鋼板を積層することにより扇形鉄心を
順次形成する。所定の個数の扇形鉄心により環状鉄心３
が構成された時点でガイド金具を取除く。In the method of the present invention, first, a known guide fitting (not shown) for stacking the sector-shaped core is placed on top of the fixed plate, and electrical 11 steel plates are laminated in accordance with the guide fitting to sequentially form the sector-shaped core. . Annular core 3 is formed by a predetermined number of fan-shaped cores.
Remove the guide fittings when the is configured.
上記のようにして定１１０の上に環状鉄心が構成された
後、環状鉄心３の内周及び外周にそれぞれゴム等からな
る管状パツキン１１及び１２を嵌合させ、両パツキンを
定５１１１［１０の上面に密接させる。次いで、環状鉄
心３の内周及び外周にそれぞれ内筒１３及び外筒１４を
嵌合させ、これら内筒及び外筒の下端をそれぞれパツキ
ン１１及び１２に密接させる。内筒及び外筒１４は、そ
れぞれ環状鉄心３の内周及び外周に凹接する外径及び内
径を有し、且つパツキン１１及び１２に当接した状態で
それぞれの上端が環状鉄心３の上端より低い位置に位置
するような高さ寸法を有している。従って内筒１３及び
外筒１４を嵌合させた状態で、環状鉄心３の上端が両筒
の上端から一定寸法だけ上方に突出した状態にある。After the annular core is constructed on the constant 110 as described above, tubular packings 11 and 12 made of rubber or the like are fitted to the inner and outer peripheries of the annular core 3, respectively, and both the packings are connected to the constant 5111 [10]. Place it close to the top surface. Next, the inner cylinder 13 and the outer cylinder 14 are fitted to the inner and outer peripheries of the annular iron core 3, respectively, and the lower ends of the inner cylinder and the outer cylinder are brought into close contact with the packings 11 and 12, respectively. The inner cylinder and the outer cylinder 14 have outer diameters and inner diameters that are in concave contact with the inner and outer peripheries of the annular core 3, respectively, and their upper ends are lower than the upper ends of the annular core 3 when in contact with the packings 11 and 12. It has a height dimension that allows it to be located at a certain position. Therefore, when the inner tube 13 and the outer tube 14 are fitted together, the upper ends of the annular cores 3 protrude upward by a certain distance from the upper ends of both tubes.
環状鉄心３の内周及び外周にそれぞれ内筒１３及び外筒
１４を嵌合させた後、内筒１３の上端に環状のパツキン
１５を配設し、該パツキン１５の上に内筒１３と同一の
外径を有する補助内筒１６を配設する。また外筒１４の
上に外筒１４と同一の内径を有する補助外筒１７を配設
する。このように補助内筒１６及び補助外筒１７を配置
した状態で該補助内筒１６及び補助外筒１７の上端が而
−になるように補助内筒１６及び補助外筒１７の高さ寸
法を設定しておく。After fitting the inner cylinder 13 and the outer cylinder 14 to the inner and outer peripheries of the annular iron core 3, respectively, an annular packing 15 is arranged at the upper end of the inner cylinder 13, and a ring-shaped packing 15, which is the same as that of the inner cylinder 13, is placed on the packing 15. An auxiliary inner cylinder 16 having an outer diameter of . Further, an auxiliary outer cylinder 17 having the same inner diameter as the outer cylinder 14 is disposed on the outer cylinder 14. With the auxiliary inner cylinder 16 and the auxiliary outer cylinder 17 arranged in this way, the height dimensions of the auxiliary inner cylinder 16 and the auxiliary outer cylinder 17 are adjusted so that the upper ends of the auxiliary inner cylinder 16 and the auxiliary outer cylinder 17 are Set it.
上記のようにして内０１３及び外筒１４の上にそれぞれ
補助内筒１６及び補助外筒１７を継足した後、パツキン
１２ど外筒１４との突合せ部の外周面に金属製のベルト
１８を巻きつけて環状パツキンの外方への飛び出しを防
ぐ。モして外筒１４と補助外筒１７との突合せ部の外周
面に環状のパツキン１９を配設し、その外周面に金属製
のベルト２０を巻きつけて鉄心注型枠２１を完成する。After attaching the auxiliary inner cylinder 16 and the auxiliary outer cylinder 17 to the inner 013 and outer cylinder 14, respectively, as described above, a metal belt 18 is attached to the outer peripheral surface of the butt part of the packing 12 and the outer cylinder 14. Wrap it around to prevent the annular gasket from popping out. Then, an annular packing 19 is disposed on the outer peripheral surface of the abutting portion of the outer cylinder 14 and the auxiliary outer cylinder 17, and a metal belt 20 is wrapped around the outer peripheral surface to complete the core casting frame 21.
上記内筒１３、外筒１４、補助内筒１６及び補助外筒１
７は、ＦＲＰ （繊維強化プラスチック）、ベークライ
ト等の材料からなっている。The above inner cylinder 13, outer cylinder 14, auxiliary inner cylinder 16 and auxiliary outer cylinder 1
7 is made of materials such as FRP (fiber reinforced plastic) and Bakelite.
次に、環状鉄心３の上面に多数個の例えば磁器製のスペ
ーサ２２を配設する。その後内筒１３の中心部及び外筒
の周囲の数箇所に締付用ボルト２３を配置し、これらの
締付用ボルトを定盤に設けた取付孔を利用して定盤から
起立させる。その後押え板２４に設けた貫通孔にこれら
の締付用ボルト２３を挿通させ、該押え板２４を補助内
筒１６及び補助外筒１７の上端に当接させる。締付用ボ
ルト２３に螺合させた締付ナツト２５により、押え板２
４を鉄心注型枠２１に対して締付は固定する。また各ス
ペーサ２２を図示しない抑圧機構により鉄心上面に固定
する。その後、定盤を環状鉄心３と共に真空状態下に置
いて鉄心に接着用の合成樹脂液を流し込み、該樹脂液を
大気圧下において加熱硬化させて積層した電Ｖ１１＃ｌ
板を一体に固化させる。樹脂が硬化した後、補助内筒１
６及び補助外筒１７を取り除き、第２図に示すような強
固な鉄心ブロック３０を完成する。なお、押え板２４、
環状パツキン１１．１２及び定盤１０に合成樹脂液が固
着するのを避けるために、それらの表面に離型材を塗布
するのが好ましい。Next, a large number of spacers 22 made of, for example, porcelain are arranged on the upper surface of the annular iron core 3. Thereafter, tightening bolts 23 are placed at several locations around the center of the inner cylinder 13 and the outer cylinder, and these tightening bolts are raised from the surface plate using mounting holes provided in the surface plate. Thereafter, these tightening bolts 23 are inserted into through holes provided in the holding plate 24, and the holding plate 24 is brought into contact with the upper ends of the auxiliary inner cylinder 16 and the auxiliary outer cylinder 17. The clamping nut 25 screwed onto the clamping bolt 23 tightens the presser plate 2.
4 is tightened and fixed to the core casting frame 21. Further, each spacer 22 is fixed to the upper surface of the core by a suppressing mechanism (not shown). After that, the surface plate and the annular iron core 3 are placed under a vacuum condition, and a synthetic resin liquid for adhesion is poured into the iron core, and the resin liquid is heated and cured under atmospheric pressure to form a laminated electric V11#l.
Solidify the board as one piece. After the resin hardens, auxiliary inner cylinder 1
6 and the auxiliary outer cylinder 17 are removed to complete a strong iron core block 30 as shown in FIG. In addition, the presser plate 24,
In order to prevent the synthetic resin liquid from sticking to the annular packing 11, 12 and the surface plate 10, it is preferable to apply a mold release agent to their surfaces.
上記のようにして得られた鉄心ブロックは第２図に示す
如く、鉄心の両軸端部が内筒１３及び外筒１４の軸端部
より適長寸法だけ突出している。As shown in FIG. 2, in the core block obtained as described above, both axial ends of the core protrude from the axial ends of the inner cylinder 13 and the outer cylinder 14 by an appropriate length.
また鉄心の上面には、多数のスペーサ２２が固着された
状態にあるため、この鉄心ブロック３０を所定個数で積
重ねれば分路リアクトルの鉄心脚部を得ることができる
。Further, since a large number of spacers 22 are fixed to the upper surface of the core, the core legs of the shunt reactor can be obtained by stacking a predetermined number of core blocks 30.
上記実施例では先に環状鉄心３を形成して該環状鉄心３
に内筒１３及び外筒１４を嵌め込んだが、内筒及び外筒
の中に電磁鋼板を挿入して環状鉄心３を形成するように
してもよい。In the above embodiment, the annular iron core 3 is first formed and the annular iron core 3 is
Although the inner tube 13 and the outer tube 14 are fitted into the inner tube 13 and the outer tube 14, the annular core 3 may be formed by inserting an electromagnetic steel plate into the inner tube and the outer tube.
［発明の効果］
本発明に係る鉄心ブロックの製造方法によれば、従来の
ように高価な注型用金型を使用する必要が無いので、鉄
心ブロックを安価に生産できる。また鉄心ブロックの製
造に際し、電磁鋼板を予め接着しておく必要が無いので
鉄心ブロックの製造工数の低減を図ることができる。更
に、鉄心ブロックのひび割れ等を防止するために鉄心ブ
ロックの外周面に巻付ける部材を鉄心注型枠の一部に兼
用したので部品数を少なくし、鉄心注型後におけるがラ
ステープ等の巻付は作業を省略できる。これらにより、
鉄心ブロックの製造コストとＩｇＪ ｉ％５工数の低減
とを図ることができる。[Effects of the Invention] According to the method for producing an iron core block according to the present invention, there is no need to use an expensive casting mold as in the conventional method, so the iron core block can be produced at low cost. Further, when manufacturing the iron core block, it is not necessary to bond the electromagnetic steel sheets in advance, so that the number of man-hours for manufacturing the iron core block can be reduced. Furthermore, in order to prevent the core block from cracking, etc., the material that is wrapped around the outer peripheral surface of the core block is also used as part of the core casting frame, reducing the number of parts and making it easier to wrap with lath tape, etc. after core casting. can omit the work. With these,
It is possible to reduce the manufacturing cost of the iron core block and the number of IgJi%5 man-hours.
第１図は本発明の方法において鉄心注型枠に樹脂を注入
した状態を示す断面図、第２図は同実施例の方法により
得られた鉄心ブロックを示した断面図、第３図は環状鉄
心を示した平面図、第４図及び第５図はそれぞれ異なる
従来例を示した断面図である。
１・・・電磁鋼板、３・・・環状鉄心、１０・・・定盤
、１３・・・内筒、１４・・・外筒、１６・・・補助内
筒、１７・・・補助外筒、２１・・・鉄心注型枠。Fig. 1 is a cross-sectional view showing a state in which resin is injected into a core casting frame using the method of the present invention, Fig. 2 is a cross-sectional view showing a core block obtained by the method of the same example, and Fig. 3 is a ring-shaped A plan view showing the iron core, and FIGS. 4 and 5 are cross-sectional views showing different conventional examples. DESCRIPTION OF SYMBOLS 1... Electromagnetic steel plate, 3... Annular iron core, 10... Surface plate, 13... Inner cylinder, 14... Outer cylinder, 16... Auxiliary inner cylinder, 17... Auxiliary outer cylinder , 21... Iron core casting frame.
Claims (1)
それぞれ該環状鉄心より高さが低い内筒及び外筒が配置
された構造を有する環状鉄心構造体を定盤の上に構成す
る工程と、前記内筒及び外筒の上にそれぞれ補助内筒及
び補助外筒を継足して該内筒及び外筒と補助内筒及び補
助外筒とにより鉄心注型枠を構成する工程と、前記鉄心
注型枠内に合成樹脂液を流し込んで該合成樹脂を加熱硬
化させる工程と、前記合成樹脂が硬化した後に前記補助
内筒及び補助外筒を取除く工程とを行なうことを特徴と
する鉄心ブロックの製造方法。a step of configuring on a surface plate an annular core structure having a structure in which an inner cylinder and an outer cylinder having a height lower than that of the annular core are respectively disposed on the inner and outer peripheries of an annular core made of a laminate of electromagnetic steel sheets; , a step of adding an auxiliary inner cylinder and an auxiliary outer cylinder to the inner cylinder and the outer cylinder, respectively, and constructing an iron core casting frame by the inner cylinder and the outer cylinder, and the auxiliary inner cylinder and the auxiliary outer cylinder; An iron core block characterized by performing a step of pouring a synthetic resin liquid into a casting frame and heating and curing the synthetic resin, and a step of removing the auxiliary inner cylinder and the auxiliary outer cylinder after the synthetic resin has hardened. manufacturing method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19475984A JPS6174313A (en) | 1984-09-19 | 1984-09-19 | Manufacture of core block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19475984A JPS6174313A (en) | 1984-09-19 | 1984-09-19 | Manufacture of core block |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6174313A true JPS6174313A (en) | 1986-04-16 |
| JPH0443403B2 JPH0443403B2 (en) | 1992-07-16 |
Family
ID=16329762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19475984A Granted JPS6174313A (en) | 1984-09-19 | 1984-09-19 | Manufacture of core block |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6174313A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013197112A (en) * | 2012-03-15 | 2013-09-30 | Tokuden Co Ltd | Laminated iron core, leg iron core for stationary induction apparatus, and stationary induction apparatus |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5787109A (en) * | 1980-05-12 | 1982-05-31 | Alsthom Atlantique | Reactor and automatic steel plate cutting machine |
-
1984
- 1984-09-19 JP JP19475984A patent/JPS6174313A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5787109A (en) * | 1980-05-12 | 1982-05-31 | Alsthom Atlantique | Reactor and automatic steel plate cutting machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013197112A (en) * | 2012-03-15 | 2013-09-30 | Tokuden Co Ltd | Laminated iron core, leg iron core for stationary induction apparatus, and stationary induction apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0443403B2 (en) | 1992-07-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |