JPS581817A - Fixing method for magnetic core of magnetic head - Google Patents
Fixing method for magnetic core of magnetic headInfo
- Publication number
- JPS581817A JPS581817A JP9816881A JP9816881A JPS581817A JP S581817 A JPS581817 A JP S581817A JP 9816881 A JP9816881 A JP 9816881A JP 9816881 A JP9816881 A JP 9816881A JP S581817 A JPS581817 A JP S581817A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic core
- wall
- core
- magnetic
- groove
- 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
- 238000000034 method Methods 0.000 title claims description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 6
- 229930182556 Polyacetal Natural products 0.000 abstract 1
- 229920006324 polyoxymethylene Polymers 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 241000607479 Yersinia pestis Species 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/10—Structure or manufacture of housings or shields for heads
- G11B5/105—Mounting of head within housing or assembling of head and housing
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
Abstract
Description
【発明の詳細な説明】
この発明は磁気ヘッドに関し、特にその磁気コアヶ所定
位置Ｋｆｌ単確実に固定する方法な提供するものである
。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a magnetic head, and particularly provides a method for simply and reliably fixing a magnetic core at a predetermined position Kfl.
第１図〜第５図は従来の磁気ヘッドの磁気コア固定方法
を示すものであ）、第１図ないし１８３図にはその第１
の従来例が、又、第４＃Ａおよび第５図にはｊ１２の従
来例が示畜れている。1 to 5 show the conventional method of fixing the magnetic core of a magnetic head).
A conventional example of j12 is shown in No. 4 #A and FIG. 5.
第１図において、・１は磁気コア、２は磁気コア１に８
回されたコイル、３は磁気コア１を支持するホールドケ
ース％４はホールドケース３の後部に固定された端子板
、５は外部回路との接続ｔなす端子ビンである。磁気コ
ア１は製造及び組立に便利なように２つに分−されるも
のであり１図では分割され友一方が示されている。In Figure 1, 1 is the magnetic core, 2 is 8 to the magnetic core 1.
3 is a hold case that supports the magnetic core 1; 4 is a terminal plate fixed to the rear of the hold case 3; and 5 is a terminal pin for connection to an external circuit. The magnetic core 1 is divided into two parts for convenience in manufacturing and assembly, and FIG. 1 shows the other half.
ホールドケース３の前１１には、磁気コア１馨嵌合し、
かつ、磁気コア１の先端をホールドケース３から突出せ
しめる几めの磁気コア恢合溝Ｔが形成されている。磁気
コア嵌合溝１はＳ＊Ｏ−Ｏで示す磁気ヘッドの中心１Ｉ
ｉｌ偶の内側Ｉ！畠、底壁Ｓ、５Ｏ−ＯＫ対して外側に
なる外＠ｌ！１０よル成ル、磁気コア１ｔ−嵌合した時
、磁気コア１ｔ／底ｍ１ｓで支持し、又、磁気コア１０
＠０−０＠の側面が内＠壁・と接するようにする。磁気
コア嵌合溝Ｔの溝幅は磁気コア１が害鳥に嵌合できるよ
うに磁気コア１の輻よシ備かに大きく形成されているの
で、嵌合溝Ｔの外側８１１０と磁気コア１の外側面との
関には極く備か間隙がある。A magnetic core 1 is fitted in the front 11 of the hold case 3,
In addition, a diagonal magnetic core fitting groove T that allows the tip of the magnetic core 1 to protrude from the hold case 3 is formed. The magnetic core fitting groove 1 is located at the center 1I of the magnetic head indicated by S*O-O.
Inside I of Il! Hatake, bottom wall S, outside @l to be outside against 5O-OK! When the magnetic core 1t is fitted, it is supported by the magnetic core 1t/bottom m1s, and the magnetic core 10
Make sure that the side of @0-0@ touches the inner @ wall. The groove width of the magnetic core fitting groove T is formed to be large enough to accommodate the radius of the magnetic core 1 so that the magnetic core 1 can fit into the pest. There is a very small gap between it and the outer surface.
ホールドナース３の前１１ｔＫＦｉ、さらに磁気コア嵌
合溝Ｔと隣接して凹部１２が設けられる。この凹１ｉ１
２ａ、＠Ｏ−０側の内＠壁１３、底Ｊｌ！１４、外側壁
１５及び前面壁１Ｓで形成されている。磁気コア嵌合Ｗ
４Ｔの外Ｉ＆Ｉｌ壁１０と凹部１２の内１Ｉｌｌ壁１３
との間１９１Ｆｉ狭く１両１１１１１０．１３によ）固
定用リブ１Ｔが形成される。なお、ホールドケース３の
＊＊には段１１２０か設けられていて、底壁９と共に磁
気コア１１に支持する。A recess 12 is provided in front of the holder nut 3 11tKFi and further adjacent to the magnetic core fitting groove T. This concavity 1i1
2a, @ O-0 side inner @ wall 13, bottom Jl! 14, an outer wall 15, and a front wall 1S. Magnetic core mating W
4T outer I&I wall 10 and inner 1Ill wall 13 of recess 12
A fixing rib 1T is formed between 191Fi and 111110.13. Note that a step 1120 is provided on the ** of the hold case 3, and is supported by the magnetic core 11 together with the bottom wall 9.
このような構成において、磁気コア１をホールドケース
３Ｋ１ｍ定するためカシメポンチ１８が用いられる。カ
シメポンチ１８の先端は凹部１２の輻よシ備かに小さく
形成されていて、その先端部にテーパー１９がつけられ
ている。磁気コア１を磁気コア嵌合溝７に妖合しｔ後、
カシメポンチ１８の先端を凹ｓ１．２に押入し、カシメ
ポンチ１８を凹部１２内に強制的にたえき込むと、リプ
ｆｉニア７１の＠ｌｔＫ強く押し付けられる。これＫよ
り、磁気コア１はホールドケース３１Ｋｍ定されること
となる。In such a configuration, a caulking punch 18 is used to secure the magnetic core 1 to the hold case 3K1m. The tip of the caulking punch 18 is formed to be smaller than the radius of the recess 12, and a taper 19 is attached to the tip. After fitting the magnetic core 1 into the magnetic core fitting groove 7,
When the tip of the caulking punch 18 is pushed into the recess s1.2 and the caulking punch 18 is forced into the concave portion 12, @ltK of the lip finia 71 is strongly pressed. From this K, the magnetic core 1 is determined to have a hold case of 31 Km.
しかし、このようなカシメ固定は、カシメが強過ぎると
磁気コア１′の変形を招き磁気特性が劣化し、又、カシ
メが弱過ぎると完全な固定ができずに磁気コア１が動く
おそれがあ〕磁気特性Ｋｌｉ影響を及ばすという欠点が
あった。However, with such caulking, if the caulking is too strong, the magnetic core 1' will be deformed and the magnetic properties will deteriorate, and if the caulking is too weak, complete fixation may not be possible and the magnetic core 1 may move. ] There was a drawback that the magnetic property Kli was affected.
次に、第２の従来例について説明する。第１の従来例が
前記のようなカシメによる固定であるのに対して、ｌＩ
２の従来ｆＲＦｉ磁気コア１をホールドケース３に接着
剤で固定するものである。篇４図及び第４図の１ｉｖ−
ｖ線上の断面図である第５図にその接着方法を示す。な
お、第１の従来例のものと同一個所には同一の符号が付
されている。畠２の従来間がＩｌｌの従来例と興なる点
は、第１の従来例のものＫおける四部１２が形成されて
いない点である。第２の従来例においては、磁気コア１
を磁気コア嵌合溝７に嵌合し、次いで磁気コア鋏合ｔｓ
ｒ内における磁気コア１の＠面と磁気コア低合溝Ｔの内
側壁Ｓ、外＠１１１Ｇとの間の間隙に接着剤を注入して
磁気コア１をホールドケース３に固定するものである。Next, a second conventional example will be explained. While the first conventional example is fixed by caulking as described above, lI
The conventional fRFi magnetic core 1 of No. 2 is fixed to a hold case 3 with an adhesive. Volume 4 and Figure 4 1iv-
The bonding method is shown in FIG. 5, which is a sectional view taken along the V line. Note that the same parts as in the first conventional example are given the same reference numerals. The difference between the conventional example of Hatake 2 and the conventional example of Ill is that the four parts 12 in K of the first conventional example are not formed. In the second conventional example, the magnetic core 1
is fitted into the magnetic core fitting groove 7, and then the magnetic core scissors ts
The magnetic core 1 is fixed to the hold case 3 by injecting an adhesive into the gap between the @ surface of the magnetic core 1 in r and the inner wall S, outer @ 111G of the magnetic core low matching groove T.
ところで、第１の従来例におけるカシメ固定では、リブ
１１をカシメて磁気コア１を固定するようになっている
ので、磁気コア嵌合溝Ｔの寸法はそれ程の精度を必要と
しない。しかし、第２の従来例においては、磁気コア１
１変形するようなおそれはないものの、磁気コア１を磁
気コア嵌合溝７に嵌合した場合に間隙ができるだけ小さ
くなるように磁気コア嵌合溝を形成しなければならず、
極めて厳しい寸法精度が要求されるという欠点がある。By the way, in the caulking fixation in the first conventional example, since the magnetic core 1 is secured by caulking the rib 11, the dimensions of the magnetic core fitting groove T do not require such precision. However, in the second conventional example, the magnetic core 1
1. Although there is no risk of deformation, the magnetic core fitting groove must be formed so that the gap is as small as possible when the magnetic core 1 is fitted into the magnetic core fitting groove 7.
The drawback is that extremely strict dimensional accuracy is required.
又、必然的に多少の間隙は存在するのであるから、接着
剤による接着に際して、磁気コア１１一定位置に規制す
ることはで営ず１位置にけらつきを生じ、さらに、接着
工程は自動化か困醸であるという欠点があった。In addition, since some gaps inevitably exist, it is impossible to control the magnetic core 11 to a constant position when bonding with adhesive, causing fluctuations in one position, and furthermore, it is difficult to automate the bonding process. It had the disadvantage of being brewed.
この発明は、これら第１及び第２の従来９ｖＫおけるよ
うな欠点のない磁気コア固定方法を提供するものである
。The present invention provides a magnetic core fixing method that does not have the drawbacks of the first and second conventional 9vK methods.
第６図及び第７図にこの発明の磁気コア固定方法を示す
。第７図は第６図の線■−■線上の断面図である。磁気
コて１％コイル２．端子板４、端子ビン５は前記従来例
のものと同じである。この発明においても、ホールドケ
ース３の前１１に、内側壁６、底ｍｉｓ、外＠１ｉ１Ｇ
より成る磁気コア嵌合溝Ｔが形成される。ホールドケー
ス３の前壁の両側部は、磁気コア嵌合溝Ｔと隣接する薄
い固定用リブ２１″Ｉｋ残して、その上部が切シ欠かれ
ている。２２は切シ欠かれ友切欠儒面、２３は切り欠か
れた切欠平面を示す。前記リブ２１は、磁気コア嵌合溝
Ｔの外＠壁１０と切欠側面２２とで形成されていること
となる。この発明においては、ホールドケース３の材質
としては、熱によル容ＪＩ！に軟化して変形する物質、
岡えば亜鉛、ボリア七タール樹脂等が用いられる。6 and 7 show the magnetic core fixing method of the present invention. FIG. 7 is a sectional view taken along the line ■--■ in FIG. 6. 1% magnetic coil 2. The terminal plate 4 and terminal pin 5 are the same as those of the conventional example. Also in this invention, in the front 11 of the hold case 3, there is an inner wall 6, a bottom mis, an outer @1i1G
A magnetic core fitting groove T is formed. Both sides of the front wall of the hold case 3 are notched at the top, leaving a thin fixing rib 21''Ik adjacent to the magnetic core fitting groove T. Reference numeral 22 denotes a notched surface. , 23 indicate cutout planes.The rib 21 is formed by the outer wall 10 of the magnetic core fitting groove T and the cutout side surface 22.In this invention, the hold case 3 The material is a substance that softens and deforms due to heat,
For example, zinc, boria heptatar resin, etc. are used.
磁気コア１の固定は次のようＫして行なわれる。The magnetic core 1 is fixed as follows.
まず、磁気コア１を磁気コア嵌合溝Ｔ内に挿入する。次
に、！ｓ７図に示すように加熱治具２４が。First, the magnetic core 1 is inserted into the magnetic core fitting groove T. next,! As shown in figure s7, the heating jig 24.
■えは約４５０″ＣＫ加熱された状態で用意され、この
加熱治具２４Ｆｉホールドケース３の両側部の切少欠か
れ７ｔｓ分を通って矢印方向に移動し、切欠＠Ｆｋ１２
２に押し付けられる。そうすると、薄いリプ２１が加熱
治具２１Ｃよｐ加熱押圧される結果となるので、ホール
ドケース３自体の材質及びリプ２１が薄く形成されてい
ることと相俟って・そｎが軟化変形して、磁気コア１１
磁気コア嵌合溝１の内側壁８に押し付ける。冷却後には
磁気コア１Ｖｉ内側壁Ｉｎ押し付けられ友状態で、内＠
ａ！８と外Ｎ１１１Ｇとでしつか９と挟着される。■ The heating jig is prepared in a heated state of approximately 450"CK, and is moved in the direction of the arrow through the notches 7ts on both sides of the heating jig 24Fi hold case 3, and the notch @Fk12
Pressed into 2. In this case, the thin lip 21 is heated and pressed by the heating jig 21C, which, together with the material of the hold case 3 itself and the fact that the lip 21 is thin, causes the material to soften and deform. , magnetic core 11
Press it against the inner wall 8 of the magnetic core fitting groove 1. After cooling, the magnetic core 1Vi is pressed against the inner wall In and in a friendly state.
a! 8 and outside N111G are sandwiched between 9 and 9.
以上の磁気コア固定方法において、ホールドケース３に
おける内側Ｉ！８が所定位置に正確に形成されてさえお
れば、磁気コア１は所定位置に正確Ｋ［ｆｉ定されるこ
ととなる。即ち、内＊ｍｓは磁気コア１の組み立ての基
準画人となるものである。In the above magnetic core fixing method, the inside I! in the hold case 3! 8 is accurately formed at a predetermined position, the magnetic core 1 will be accurately set at a predetermined position K[fi. That is, *ms in the figure is the reference figure for assembling the magnetic core 1.
このように、この発明においては、加熱治具２４の押圧
によってリプ２１が軟化変形して磁気コア１を組立基準
面Ａである内＠１ｌＢＫ押し付けた状態で固定するので
、磁気コア１には従来例の磁気コア１を組立基準面ムで
ある内側壁に押し付けるだけであるから、他の部分の寸
法精度な必要としないで磁気コア１を所定位置に正確Ｋ
ｖＩ定することかでき、しかも、接着剤な使用しないの
で自動組立か可能となるという優れた効果ｔ−喫するも
のである。In this way, in this invention, the lip 21 is softened and deformed by the pressure of the heating jig 24, and the magnetic core 1 is fixed in a state where it is pressed against the assembly reference surface A, which is the inside @11BK. Since the example magnetic core 1 is simply pressed against the inner wall, which is the assembly reference surface, the magnetic core 1 can be accurately positioned at a predetermined position without requiring dimensional accuracy of other parts.
It enjoys excellent effects in that it can be easily assembled without using any adhesive and can be assembled automatically.
纂１図は第１の従来例の平面図、菖２図は第１図の線■
−■の断面図、１８３図は第１図の線■−■の断面図、
第４図は露２の従来Ｈの平面図、第５図は第４図の線■
−■の断面図、３３６図はこの発明の磁気コア固定方法
を用いた実施例の平面図。
第７ＦｊＩＪは１１６図の線■−■の断面図である。
１・・・・・・磁気コア、２・・・・・・コイル、３・
・・・・・ホールドケース、Ｔ・・・、・・・・磁気コ
ア嵌合溝、＄・・・・・・内＠壁、１０・・・・・・外
側壁、１２・・・・・・凹部、２１・・・・・・リプ、
２４・・・・・・加熱治具
第１図
第２図
第４図
第５図Figure 1 is a plan view of the first conventional example, Figure 2 is the line in Figure 1.
-■ cross-sectional view, Figure 183 is a cross-sectional view along line ■-■ in Figure 1,
Figure 4 is a plan view of the conventional H of Dew 2, and Figure 5 is the line of Figure 4.
336 is a plan view of an embodiment using the magnetic core fixing method of the present invention. No. 7 FjIJ is a cross-sectional view taken along the line ■-■ in FIG. 116. 1... Magnetic core, 2... Coil, 3.
...Hold case, T..., ...Magnetic core fitting groove, $...Inner@wall, 10...Outer wall, 12...・Concavity, 21...Rep,
24... Heating jig Fig. 1 Fig. 2 Fig. 4 Fig. 5
Claims (1)
の中心線側にある内側壁、これと対向する外側壁及び底
壁より成る磁気コア嵌合溝ｌ形成し、前記外側壁ＫＩＩ
Ｉｉして薄い固定用リブな設け、前記内１ｌｌｌ壁を磁
気コアを位置決めする友めの基準面とし、前記磁気コア
嵌合溝に磁気コアを嵌合しｔ後、加熱治具で前記固定用
リプを加熱軟化させなから押圧変形させて磁気コアな基
準面である前記内側壁に押し付け、磁気コアな前記内側
壁に沿つ次位置に＠定することを特徴とする磁気ヘッド
の磁気コア固定方法。A magnetic core fitting groove l is formed by the front IIK of the hold case made of a thermosoftening material, the inner wall on the center line side of the magnetic head, the outer wall opposing this, and the bottom wall, and the outer wall KII
A thin fixing rib is provided, and the inner wall is used as a reference surface for positioning the magnetic core, and after the magnetic core is fitted into the magnetic core fitting groove, a heating jig is used for the fixing. Fixing the magnetic core of a magnetic head, characterized in that the lip is pressed against the inner wall, which is a reference surface of the magnetic core, without being heated and softened, and fixed at the next position along the inner wall of the magnetic core. Method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9816881A JPS581817A (en) | 1981-06-26 | 1981-06-26 | Fixing method for magnetic core of magnetic head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9816881A JPS581817A (en) | 1981-06-26 | 1981-06-26 | Fixing method for magnetic core of magnetic head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS581817A true JPS581817A (en) | 1983-01-07 |
| JPS6353613B2 JPS6353613B2 (en) | 1988-10-25 |
Family
ID=14212532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9816881A Granted JPS581817A (en) | 1981-06-26 | 1981-06-26 | Fixing method for magnetic core of magnetic head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS581817A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107438332A (en) * | 2017-09-20 | 2017-12-05 | 江苏兆能电子有限公司 | A kind of orientable magnetic core assembling fixture |
-
1981
- 1981-06-26 JP JP9816881A patent/JPS581817A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107438332A (en) * | 2017-09-20 | 2017-12-05 | 江苏兆能电子有限公司 | A kind of orientable magnetic core assembling fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6353613B2 (en) | 1988-10-25 |
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