JPS5936323A - Controller for mounting magnetic head - Google Patents
Controller for mounting magnetic headInfo
- Publication number
- JPS5936323A JPS5936323A JP14510382A JP14510382A JPS5936323A JP S5936323 A JPS5936323 A JP S5936323A JP 14510382 A JP14510382 A JP 14510382A JP 14510382 A JP14510382 A JP 14510382A JP S5936323 A JPS5936323 A JP S5936323A
- Authority
- JP
- Japan
- Prior art keywords
- head
- magnetic head
- substrate
- screw
- opening
- 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.)
- Pending
Links
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
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/56—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head support for the purpose of adjusting the position of the head relative to the record carrier, e.g. manual adjustment for azimuth correction or track centering
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、ＶＴＲの回転磁気ヘッド装置において、その
回転体例えば回転ドラムに磁気ヘッドを微調整可能に装
着する磁気ヘッド抱付調整装置の改良に関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an improvement in a magnetic head holding adjustment device for finely adjusting a magnetic head mounted on a rotating body, such as a rotating drum, in a rotating magnetic head device for a VTR.
背景技術とその問題点
従来のヘッド調整装置を第１図及び第２図について説明
すると、（１）は回転磁気ヘッド装置の回転体例えば回
転ドラム、（２）はその中心に設けられた回転磁気ヘッ
ド装置の回転軸（図示せず）を挿入して固定する中心孔
、（３）はヘッド取付基板であって、その先端に磁気ヘ
ッド（いわゆるヘッドデツプ）（４）が取付けられてい
る。（５）は取イτ１用ねじてあって、基板（３）の貫
通孔（６）を通じ、回転ドラノ、（１）に形成されたね
じ孔（７）にねじ込まれ、これに上り基板（３）が、即
ち磁気ヘッド（４）が回転ドラム（１）に取イ１けられ
ている。（５ａ）はこのねじのすり割りである。BACKGROUND TECHNOLOGY AND PROBLEMS The conventional head adjusting device will be explained with reference to FIGS. 1 and 2. (1) shows a rotating body of a rotating magnetic head device, such as a rotating drum, and (2) shows a rotating magnetic head provided at its center. A central hole (3) into which a rotating shaft (not shown) of the head device is inserted and fixed is a head mounting board, and a magnetic head (so-called head depth) (4) is mounted at the tip thereof. (5) has a screw for take-out τ1, which is screwed through the through hole (6) of the board (3) into the screw hole (7) formed in the rotary drill head (1), and goes up to the board (3). ), that is, the magnetic head (4) is mounted on the rotating drum (1). (5a) is the slot of this screw.
又回転ドラム（１）には更に磁気ヘッド（４）′ｌイり
にねじ孔（８）が形成され、これに回転ドラム（１）の
基初（３）側とは反対側より押しねしく９）がねじ込−
１ｉ１．−Ｃおり、そのすり割り（９ａ）に治具（ドラ
イバ）を当てがってこれを回動させることにより、基板
（３）を押し」二げ、いわゆるヘッドのＡさ調整をなし
ている。Further, a screw hole (8) is formed in the rotating drum (1) next to the magnetic head (4), and a screw hole (8) is formed in the rotating drum (1) from the side opposite to the base (3) side of the rotating drum (1). 9) is screwed in.
1i1. -C, by applying a jig (driver) to the slot (9a) and rotating it, the board (3) is pushed and the so-called A height adjustment of the head is performed.
尚θＯ−ヘッド基板（３）の両側において、回転ドラム
（１）のねじ孔（図示せず）に夫々ねじ込才れた−７１
の角度割り調整ねじてあって、これは周知の如く、皿ね
じ（頭部の下面が円錐形状をしたもの）が使用され、こ
の円錐形状の下面が基板（３）の端縁に衝合されている
。In addition, on both sides of the θO-head board (3), screw-71 screw holes (not shown) of the rotating drum (1) are respectively screwed.
As is well known, this is a countersunk screw (the lower surface of the head having a conical shape), and the lower surface of this conical shape abuts against the edge of the substrate (3). ing.
この構成では、上述した磁気ヘット責４）の高さの調整
作業は、回転ドラム（１）の上底側及び下底側の両方向
から行なわなければならない。このため回転ドラム（１
）を図示しない固定ドラムからその都度外さねばならず
調整作業に手間取るという欠点があった。In this configuration, the height adjustment work of the magnetic head 4) described above must be performed from both the upper and lower sides of the rotating drum (1). For this reason, the rotating drum (1
) has to be removed from a fixed drum (not shown) each time, making adjustment work time-consuming.
発明の目的
本発明は上述した欠点を解決し、磁気テープ上に高密度
記録を行なうための磁気ヘッドの位Ｉ醒調整即ち回転ド
ラムよりの突出Ｍ及び高さの微調整を簡単に行なうこと
ができる、構造簡素な磁気ヘッド取（＝Ｊ調整装置を提
供することを目的とする。OBJECTS OF THE INVENTION The present invention solves the above-mentioned drawbacks and makes it possible to easily adjust the position of a magnetic head for high-density recording on a magnetic tape, that is, finely adjust the height and protrusion of a magnetic head from a rotating drum. The purpose of the present invention is to provide a magnetic head adjustment device (=J adjustment device) with a simple structure.
発明の概要
本発明は、ヘッド取付基板に対し、回転ドラムのねじ孔
（押しねじ用）と対応する位置に開口を形成し、一方押
しねじには、ヘッド取付基板の下面（回転ドラムと対接
する側の面）と対接するフランジと、この７ランノのヘ
ッド取付基板への非対接状態で、このヘッド取付基板の
開口内縁に対接する円錐面を有する頭部とを設けたもの
である。SUMMARY OF THE INVENTION The present invention forms an opening in a head mounting board at a position corresponding to a screw hole (for a push screw) of a rotating drum; A flange that contacts the 7-run head mounting board (side surface) and a head having a conical surface that contacts the inner edge of the opening of the head mounting board in a non-contact state with the head mounting board.
実施例
以下本発明による装置の実施例を、第３図以−トについ
て説明するに、第１図及び第２図との対応部分には、同
一符号を附してその活、明を省略する。Embodiment Hereinafter, an embodiment of the apparatus according to the present invention will be described with reference to FIG. .
ヘッド取付基板（３）には、ねじ孔ス８）とはぼ対応し
た位置において開口０］）が設けられ、−力押しねじ（
９）には基板（３）の回転ドラム（１） （１＋１１の
面に対接するフランジα→と、上述した開口（１１）を
・貫通して基板（３）上に突出する頭部Ｑ１とが設けら
れ、この頭部には基板（３）の開口０わの内縁に対接す
る円錐面０７０が形成され、上面にけすり割り（９ａ）
が形成されている。この円錐面Ｏａは、上述したフラン
ク０才の基板（３）への非対接状態で対接するようにフ
ランジ０り及び円錐面０４間の距離が選ばれる。又押し
ねじ（９）の円錐面◇搬は、基板（３）の開口θυの磁
気ヘット責４）側の内縁に対接するように開口Ｑカの位
置及び大きさが選ばれ、開口０υの形状としては円形妊
限らず、任意の形状を採り得る。The head mounting board (3) is provided with an opening 0) at a position that corresponds to the screw hole 8), and a force-pressing screw (
9) has a flange α→ that is in contact with the surface of the rotating drum (1) (1+11) of the substrate (3), and a head Q1 that penetrates the above-mentioned opening (11) and projects onto the substrate (3). The head is provided with a conical surface 070 that is in contact with the inner edge of the opening 0 of the substrate (3), and the upper surface is provided with a slit (9a).
is formed. The distance between the flange 0 and the conical surface 04 is selected so that this conical surface Oa is in contact with the above-mentioned flank 0 substrate (3) in a non-contact state. In addition, the conical surface of the set screw (9) ◇The position and size of the opening Q are selected so that it is in contact with the inner edge of the opening θυ of the substrate (3) on the magnetic head 4) side, and the shape of the opening 0υ It is not limited to a circular shape, but can take any shape.
このような構成によれば、先ず第４図に示す状態ですり
割り（９ａ）に治具を当てがい、押しねじ（９）を時計
方向に回動させれば、これを第４図傾おいて下方向に進
ませることができ、円錐面０・ｎが基板（３）の開口０
］）の内縁を押すことになるので、これにより基板（３
）を前進（第４１ツＩにおいて左方向に移動）させるこ
とになり、即ち４１丹気ヘツド（４）を突出させること
ができる。そして所定隈突出させた後においてねじ（５
）Ｋより固く締付ければよい。According to such a configuration, first, the jig is applied to the slot (9a) in the state shown in FIG. The conical surface 0/n is the opening 0 of the substrate (3).
]), this will push the inner edge of the board (3).
) can be moved forward (moved to the left in the 41st point I), that is, the 41-point head (4) can be projected. Then, after protruding in a predetermined area, screws (5
) Tighten tighter than K.
このようにして突出量を決めた後において、次に同様に
すり割り（９ａ） Ｋ治具を当てがい、押しねじ（９）
を上述とは反対方向の反時旧方向に回動するときは、押
しねじ（９）が第４図において上方間に移動し、頭部０
．（の円砿面０ゆが開口０１）より離れ、その後、押し
ねじ（９）のフラン−）０力が基板（：りの下面に衝合
し、更にその回動を続けることＫよってこの押しねじ（
９）が基板（３）を押し上げるようになり、これにより
いわゆる磁気ヘット責４）の高さの調整を行うことがで
きる。尚一般的には上述した磁気ヘッド（４）の突出量
の調整や高さの調整は数μｍ程度である。After determining the amount of protrusion in this way, next place the slot (9a) K jig in the same way, and press the push screw (9).
When rotating in the counterclockwise direction, which is the opposite direction to that described above, the set screw (9) moves upward in FIG.
．． (The circular surface of the circular surface 0 is separated from the opening 01), and then the force of the flange of the push screw (9) collides with the bottom surface of the board (:), and the rotation continues. screw(
9) now pushes up the substrate (3), thereby making it possible to adjust the height of the so-called magnetic head 4). Generally, the adjustment of the protrusion amount and height of the magnetic head (4) described above is about several μm.
以上説明したように、磁父ヘッド（４）の突出量の調整
及び高さの調整を１個のねじ（９）をもって、しかも同
一方向からの治具の操作によって行いイ１＋る。As explained above, the amount of protrusion and the height of the magnetic head (4) are adjusted using one screw (9) and by operating the jig from the same direction.
第５図は他の実施例を示すものであって、Ｐ（１，４図
との対応部分には同−省号を１ｉｆｔ してその説明を
省略する。本例においては、押しねしく９）の円帥面０
樽を、基板（３）の開口０１）の磁気ヘッド（４）とは
反λＪ （１１１１の内縁に対接させるようにした場合
であり、押しねじ（９）の上述した時計方向の回動によ
って、磁気ヘッド（４）を後退させてその突出量を調整
するようＫした以外は、第４図の場合と同様であるので
詳細説明を省略する。Fig. 5 shows another embodiment, and the corresponding parts with Figs. )'s round surface 0
This is a case where the barrel is brought into contact with the inner edge of the magnetic head (4) anti-λJ (1111) of the opening 01) of the substrate (3), and by the above-mentioned clockwise rotation of the set screw (9). , except that the magnetic head (4) is moved backward to adjust its protrusion amount, and is the same as in the case of FIG. 4, so a detailed explanation will be omitted.
発明の効果
以上詳述したように本発明によれば、磁気ヘッド（４）
の取付は又はその突出量やヘッドの高さ調整のための作
業を回転ドラム（１）の同−面方向から行なえるので、
作業が容易で省力化できる。Effects of the Invention As detailed above, according to the present invention, the magnetic head (4)
The installation or the adjustment of the amount of protrusion and the height of the head can be done from the same side of the rotating drum (1).
Easy to work and saves labor.
また、押しねじ（９）のねじ機構等によって高精度でＰ
調整することができる。In addition, the screw mechanism of the push screw (9) allows for high accuracy
Can be adjusted.
さらに本発明装僅は部品点数が少なく量産に適するとい
う効Ｗｊがある。Furthermore, the present invention has the advantage that it has a small number of parts and is suitable for mass production.
第１図に従来の磁気ヘッド成句調整装置を示す平面図、
第２図はそのＡ−Ａ線上の断面図、第３図一本発明によ
る磁気ヘッド取付訊１整装置の一例を示す平面図、第４
図はそのＢ−Ｂ線上の拡大断面図、第５図は他の実施例
をうｊミず第４図と同様の拡大断面図である。
（１）は回転磁気ヘッド装尚″の回転体、（３）はヘッ
ド取付基板、（９）は押しねじ、θυは開［」、θ→は
フランジ、（１１は頭部、０ゆけ日朝（面である。
同 松 隈 秀 盛どＡ、、第略
図FIG. 1 is a plan view showing a conventional magnetic head adjustment device.
FIG. 2 is a sectional view taken along the line A-A, FIG. 3 is a plan view showing an example of the magnetic head mounting adjustment device according to the present invention, and FIG.
The figure is an enlarged sectional view taken along the line B--B, and FIG. 5 is an enlarged sectional view similar to FIG. 4 showing another embodiment. (1) is the rotating body of the rotating magnetic head device, (3) is the head mounting board, (9) is the push screw, θυ is the open ['', θ→ is the flange, (11 is the head, This is the surface. Hide Matsukuma Morido A, No. Schematic diagram
Claims (1)
付けｆヘッド取付基板を取付け、該ヘッド取付基板には
開口を形成し、上記回転体において上記ヘッド取付基板
の開口とほぼ対応した位置に形成されたねじ孔にねじ込
まれる押しねじに対して、上記ヘッド取付基板の上記回
転体側の面に対接するフランツを形成すると共に、該フ
ランジの」＝６己面への非対接状態で、上記ヘッド成句
基板の上記開口の内縁に対接する円錐面を有する頭部を
形成してなることを特徴とする磁気ヘッド抱付調整装置
。A magnetic head is attached to a rotating body made of a rotating magnetic head, and a head mounting board is attached, an opening is formed in the head mounting board, and an opening is formed in the rotating body at a position approximately corresponding to the opening of the head mounting board. A flange is formed that contacts the rotating body side surface of the head mounting board with respect to the push screw screwed into the formed screw hole, and the flange is not in contact with the "=6 self surface of the flange. A magnetic head holding and adjusting device comprising a head having a conical surface that is in contact with the inner edge of the opening of the head substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14510382A JPS5936323A (en) | 1982-08-20 | 1982-08-20 | Controller for mounting magnetic head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14510382A JPS5936323A (en) | 1982-08-20 | 1982-08-20 | Controller for mounting magnetic head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5936323A true JPS5936323A (en) | 1984-02-28 |
Family
ID=15377438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14510382A Pending JPS5936323A (en) | 1982-08-20 | 1982-08-20 | Controller for mounting magnetic head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5936323A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5278714A (en) * | 1990-06-30 | 1994-01-11 | Goldstar Co., Ltd. | Adjustable structure for attaching a rotary head to a rotary drum of a video cassette recorder |
-
1982
- 1982-08-20 JP JP14510382A patent/JPS5936323A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5278714A (en) * | 1990-06-30 | 1994-01-11 | Goldstar Co., Ltd. | Adjustable structure for attaching a rotary head to a rotary drum of a video cassette recorder |
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