JPS6142784A - Floppy disc driver - Google Patents

Floppy disc driver

Info

Publication number
JPS6142784A
JPS6142784A JP16372284A JP16372284A JPS6142784A JP S6142784 A JPS6142784 A JP S6142784A JP 16372284 A JP16372284 A JP 16372284A JP 16372284 A JP16372284 A JP 16372284A JP S6142784 A JPS6142784 A JP S6142784A
Authority
JP
Japan
Prior art keywords
box
floppy disk
magnetic pole
stator
pole teeth
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
Application number
JP16372284A
Other languages
Japanese (ja)
Inventor
Takeshi Yamanaka
猛 山中
Tetsuo Maeda
哲男 前田
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.)
Omron Corp
Original Assignee
Omron Tateisi Electronics Co
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
Application filed by Omron Tateisi Electronics Co filed Critical Omron Tateisi Electronics Co
Priority to JP16372284A priority Critical patent/JPS6142784A/en
Publication of JPS6142784A publication Critical patent/JPS6142784A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B25/00Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
    • G11B25/04Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
    • G11B25/043Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card using rotating discs
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K41/00Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02Linear motors; Sectional motors
    • H02K41/03Synchronous motors; Motors moving step by step; Reluctance motors

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Moving Of Heads (AREA)
  • Linear Motors (AREA)

Abstract

PURPOSE:To attain miniaturization of a box by forming a magnetic pole tooth of a stator to an inner side wall of the box opposite to a reading face of a floppy disc so as to constitute a linear pulse motor thereby decreasing the depth of the box. CONSTITUTION:The stator 2 is fixed to a position opposite to a face of a read window 10 of a floppy disc cover 9 of a floppy disc 8 to be loaded incorporated with the box 7, and the magnetic pole teeth 6... are projected as a projected shape. Then the magnetic pole teeth 6... are buried in the box 7 as required and its upper end face is formed with the same face with the inner face wall. Then carrier magnetic pole teeth 5- I, 5-II, 5-III, 5-IV are provided corresponding to the stator magnetic pole 6... to constitute a linear pulse motor. Thus, the depth of the box is decreased and the miniaturization of the box is realized easily.

Description

【発明の詳細な説明】 (イ)発明の利用分野 この発明は、計算様等の記憶装置に取付けられてデータ
の記憶に使用される、フラット型リニアパルスモータ駆
動方式のフロッピーディスク駆動装置に関する。
DETAILED DESCRIPTION OF THE INVENTION (a) Field of Application of the Invention The present invention relates to a flat type linear pulse motor driven floppy disk drive device which is attached to a storage device such as a computer and is used for storing data.

(ロ)発明の背量 計9711等の記憶装置は、その装回内に装着されたフ
ロッピーディスクの任意の場所に、磁気ヘッドを移動圧
接さじ、フロッピーディスクのデータの書込み、または
読出しを行なっている。
(b) The storage device such as the back weight meter 9711 of the invention moves the magnetic head to any position on the floppy disk loaded in the storage device and writes or reads data on the floppy disk. There is.

従来この種のフラット型リニアパルスモータを使用した
フロッピーディスク駆動装置(以下FDDと呼ぶ)は特
公昭58−147861号公報のような公知の414成
のものがあり、たとえば第8図、′59図に承りように
、FDDの箱体31の後端部にフラン1〜型リニアパル
スモータ32を配設して、このフラン1へ型リニアパル
スモータ32の移動子33の一端側にアーム34を固定
し、ざらにこのアーム34の先端部に磁気ヘッド35.
35を固 ・定し、この磁気ヘッド35.35を箱体3
1の前面部より挿入装着されるフロッピーディスク36
の両端面に圧接させ、フラット型リニアパルスモータ3
2にJ、り磁気ヘッド35を矢印方向に水平移動さぼて
データの西込みまたは読出しを行なっている。
Conventionally, a floppy disk drive (hereinafter referred to as FDD) using this type of flat type linear pulse motor has a known 414 structure as disclosed in Japanese Patent Publication No. 58-147861, for example, Fig. 8 and Fig. '59. As per the above, a flange 1-type linear pulse motor 32 is disposed at the rear end of the box 31 of the FDD, and an arm 34 is fixed to one end side of the mover 33 of the flange 1-type linear pulse motor 32. Roughly, a magnetic head 35 is attached to the tip of this arm 34.
・Fix the magnetic head 35.35 to the box body 3.
A floppy disk 36 is inserted from the front of 1.
flat type linear pulse motor 3.
In step 2, the magnetic head 35 is moved horizontally in the direction of the arrow to input or read data.

しかし、かかる構成ではフラット型リニアバルスモーク
32がフロッピーディスク36の後端側に配設されるた
め、箱体31の奥行寸法が増加し、そのためFDDの小
型化が困難であった。
However, in this configuration, since the flat linear smoke 32 is disposed at the rear end of the floppy disk 36, the depth of the box 31 increases, making it difficult to downsize the FDD.

(ハ)発明の目的 そこでこの発明は、箱体の奥行寸法を減少して箱体の小
型化が容易にできるフロッピーディスク駆動装置の提供
を目的とする。
(c) Purpose of the Invention Therefore, it is an object of the present invention to provide a floppy disk drive device that can easily downsize the box by reducing the depth of the box.

(ニ)発明の要約 この発明は、フロッピーディスクの読取り窓面と対向す
る箱体の内面壁に、固定子の!i掘歯を形成してリニア
パルスモータを構成したフロッピーディスク駆動装置で
あることを特徴とする。
(D) Summary of the Invention This invention provides a method for attaching a stator to the inner wall of the box facing the reading window surface of the floppy disk. The present invention is characterized in that it is a floppy disk drive device in which a linear pulse motor is formed by forming i-shaped teeth.

(ホ)発明ゐ効果 この発明によれば、フロッピーディスクを装着する箱体
の内面壁であって、フロッピーディスクの読取り窓面と
対向する位置に、リニアパルスモータの一部品である固
定子磁極歯を形成すると共に、この固定子磁極歯し:対
応して移動子磁極歯を配設してリニアパルス七−夕を構
成したので、箱体の奥行寸法が短かくなり、FDDの小
形化が容易に可能どなった。
(e) Effects of the Invention According to this invention, stator magnetic pole teeth, which are a part of a linear pulse motor, are provided on the inner wall of the box body in which the floppy disk is mounted, at a position facing the reading window surface of the floppy disk. At the same time, the stator magnetic pole teeth and the corresponding mover magnetic pole teeth are arranged to form a linear pulse Tanabata, so the depth of the box is shortened, making it easy to downsize the FDD. What happened to the possibility?

(へ)発明の実施例 この発明の一実施例を以下図面に基づいて詳述J−る。(f) Examples of the invention An embodiment of the present invention will be described in detail below based on the drawings.

図面はフロッピーディスク駆動装置を示し、第1図〜第
3図において、フロッピーディスク駆動装置のヘッドア
クセス檄欝のフラット型リニアパルスモーク′1は、固
定子2と移動子3とにより構成され、移動子3のヨーク
4を形成する11極歯5−4.5−Il、5−L 5−
EVは、固定子2の磁極歯6・・・に対して、各々が1
/4Pずつ位相をずらしてなる公知のフラット型リニア
パルスモータの構造で形成されて、入力されるパルス、
信号の1パルスに対して移動子3は1/4Pずつ任意方
向へ歩進移動する。
The drawings show a floppy disk drive, and in FIGS. 1 to 3, a flat type linear pulse smoke '1 of the head access mechanism of the floppy disk drive is composed of a stator 2 and a mover 3, and is movable. Eleven pole teeth 5-4.5-Il, 5-L 5- forming the yoke 4 of the child 3
EV is 1 for each of the magnetic pole teeth 6 of the stator 2.
The input pulse is formed by the structure of a known flat type linear pulse motor in which the phase is shifted by /4P,
The mover 3 moves step by step in an arbitrary direction by 1/4P for each pulse of the signal.

前述の固定子2は、箱体7の内面壁であって、装着され
るフロッピーディスク8のフロッピーディスクカバー9
の読取り窓10面と相対向する位置に箱体7と一体的に
形成され、その!i磁極歯・・・tよ凸状に突設される
と共に、その中央部に前述の移動子3の支持溝11を前
後方向に形成して、左右一対で任意数縦列されている。
The stator 2 mentioned above is an inner wall of the box body 7, and a floppy disk cover 9 of the floppy disk 8 to be mounted.
It is formed integrally with the box body 7 at a position opposite to the reading window 10 surface of the! i magnetic pole teeth... are provided in a convex shape as shown in t, and have support grooves 11 for the above-mentioned slider 3 formed in the front-rear direction in the center thereof, and are arranged in pairs in left and right columns in any number of columns.

また必要に応じて前述の磁極歯6・・・は、第4図に示
ずように、箱体7に没設され、その上端面を箱体7の内
面壁と面一に形成される。
Further, if necessary, the above-mentioned magnetic pole teeth 6 are recessed into the box body 7, as shown in FIG. 4, and their upper end surfaces are formed flush with the inner wall of the box body 7.

前述の移動子3は、その中央部に永久磁石12を固定し
、その永久磁石12の両端に前述の磁極歯5−1.5−
II、5−1[[,5−IVを形成すると共に、11極
歯5−Iと5−II、5−1[[と5−IVのそれぞれ
の間に励磁コイル13.13が巻回されて、それらによ
りヨーク4が形成され、励磁コイル13.13にパルス
信号が入力されたとぎ、そのパルス信号に応じて移動子
3は任意方向に歩進する。
The above-mentioned mover 3 has a permanent magnet 12 fixed at its center, and the above-mentioned magnetic pole teeth 5-1.5- are attached to both ends of the permanent magnet 12.
II, 5-1[[, 5-IV, and an excitation coil 13.13 is wound between each of the 11-pole teeth 5-I, 5-II, 5-1[[, and 5-IV. When a yoke 4 is formed by them and a pulse signal is input to the excitation coil 13.13, the movable element 3 moves in an arbitrary direction in accordance with the pulse signal.

前述の移動子3は、その上端面中央部であって、前述の
!1極歯5−1.5−n、5−II[,5−IVと直交
する位置に支持具14を固定し、この支持具14を前述
の支持溝11に係合すると共に、その先端部に形成され
たT字状の係止片15により、前述の箱体7からの離脱
を防止して、それら支持!lis 11 Jjよび支持
具14によりすべり軸受を構成している。
The above-mentioned mover 3 has the central part of its upper end surface, and the above-mentioned! A support 14 is fixed at a position orthogonal to the single-pole teeth 5-1.5-n, 5-II[, 5-IV, and this support 14 is engaged with the aforementioned support groove 11, and its tip end The T-shaped locking piece 15 formed in the box 7 prevents it from coming off the box 7 and supports it! The lis 11 Jj and the support 14 constitute a sliding bearing.

この)ζめ移動子3の磁極#5−1.5−L 5−1I
[,5−IVと、前述の固定子2の磁極歯6・・・のそ
れぞれの先端面は適宜の間隙空間を設けて相対向すると
共に、その状態を保持して前後方向に摺動自在にスライ
ドする。
This) Magnetic pole of ζ mover 3 #5-1.5-L 5-1I
[, 5-IV and the respective tip surfaces of the magnetic pole teeth 6 of the stator 2 described above face each other with an appropriate gap space, and maintain that state so that they can freely slide in the front and rear directions. Slide.

またこのスライドに際し、さらにその摩擦抵抗を減少さ
μて小さい駆動力で軽快にスライドさせるため、第5図
に示すように前述の支持溝11と係止片15どの間に減
摩法は16を介装してなる球軸受方式を構成してもよい
Furthermore, during this sliding, in order to further reduce the frictional resistance and slide easily with a small driving force, as shown in FIG. A ball bearing system may be configured in which a ball bearing is provided.

前述の移動子3は、その下端部であって前述のフロッピ
ーディスク8のフロッピーディスクカバー9の読取りw
io面に対応した位置に磁気ヘッド17を固定している
The above-mentioned mover 3 is located at its lower end and is used for reading the floppy disk cover 9 of the above-mentioned floppy disk 8 w.
A magnetic head 17 is fixed at a position corresponding to the io plane.

前述の磁気ヘッド17は、前述のフロッピーディスク8
のフロッピーディスクカバー9の読取り窓10面を介し
てフロッピーディスク8の上端面に圧接し、フロッピー
ディスク8がFDDの回転装置(図示せず)により回転
駆動されたとぎ、パルス信号に対応して前後に歩進して
フロッピーディスク8の書込み、読出しを行なう。
The above-mentioned magnetic head 17 is connected to the above-mentioned floppy disk 8.
is pressed against the upper end surface of the floppy disk 8 through the reading window 10 surface of the floppy disk cover 9, and when the floppy disk 8 is rotationally driven by the rotation device (not shown) of the FDD, it moves back and forth in response to a pulse signal. Writing and reading from the floppy disk 8 is performed.

またこの磁気ヘッド17の上端部であって、前述の移動
子3の下端部に、移動子3よりの漏洩磁束を遮iするた
めの電磁m散板18を第6図に示すJ:うに必要に応じ
て配備してもよい。
Further, at the upper end of this magnetic head 17 and at the lower end of the above-mentioned mover 3, an electromagnetic scattering plate 18 for blocking leakage magnetic flux from the mover 3 is installed as shown in FIG. It may be deployed accordingly.

また前述の実施例では、1本の支持具14で移動子3の
中央部を支持しているが、第7図に示すように移動子3
の両端にそれぞれ支持具19,19を配備した構成とし
てもよく、さらには2本以上の支持具19・・・を配備
してもよい。
Further, in the above-mentioned embodiment, the central part of the mover 3 is supported by one support 14, but as shown in FIG.
It may be possible to have a structure in which supports 19, 19 are provided at both ends, respectively, or two or more supports 19, . . . may be provided.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図〜第3図は本発明のフロッピーディスク駆動装置
のアクセス機構の一実施例を示し、第1図はフラット型
リニアモータ部の断面図、第2図はFDD全体断面図、 第3図は移動子斜視図、 第4図〜第7図は本発明のフロッピーディスク駆動装置
のアクセス機構の他の実施例を示し、第4図は固定子の
要部断面図、 題5図【;上移動子の縦断面図、 第6図は移動子に磁束遮蔽板を取付番プだ状態の縦断面
図、 第7図は移動子の支持状態の縦断面図、第8図は従来の
フロッピーディスク駆動装置のアクセスn 1astの
箱体の上部を取外した状態の上面図、第9図は第8図の
断面図である。 1・・・フラット型リニアパルスモータ2・・・固定子
      5・・・磁極歯7・・・箱 休 8・・・フロッピーディスク 10・・・読取り窓    17・・・磁気ヘッド第1
図 第3図 2・・・[il定子 5・・・處腫命 7・・・jII詠 第4図
1 to 3 show an embodiment of the access mechanism of the floppy disk drive of the present invention, in which FIG. 1 is a cross-sectional view of the flat linear motor section, FIG. 2 is a cross-sectional view of the entire FDD, and FIG. is a perspective view of the mover, FIGS. 4 to 7 show other embodiments of the access mechanism of the floppy disk drive of the present invention, and FIG. 4 is a sectional view of the main part of the stator. Figure 6 is a vertical cross-sectional view of the slider with the magnetic flux shield plate attached to the slider, Figure 7 is a vertical cross-sectional view of the slider in its supported state, and Figure 8 is a conventional floppy disk. FIG. 9 is a top view of the drive device access n 1st with the upper part of the box body removed, and FIG. 9 is a sectional view of FIG. 8. 1... Flat type linear pulse motor 2... Stator 5... Magnetic pole tooth 7... Box Rest 8... Floppy disk 10... Reading window 17... Magnetic head No. 1
Figure 3 Figure 2... [il Teishi 5... Kouma no Mikoto 7...j II Ei Figure 4

Claims (1)

【特許請求の範囲】 1、リニアパルスモータにより磁気ヘッドを駆動して、
箱体内に装着されたフロッピーデ ィスクの書込み、読出しを行なうフロッピ ーディスク駆動装置であつて、 前記フロッピーディスクの読取り窓面と対 向する前記箱体の内面壁に、固定子の磁極 歯を形成してリニアパルスモータを構成し たことを特徴とする フロッピーディスク駆動装置。
[Claims] 1. A magnetic head is driven by a linear pulse motor,
A floppy disk drive device for writing and reading data on and from a floppy disk mounted in a box body, wherein magnetic pole teeth of a stator are formed on an inner wall of the box body facing a reading window surface of the floppy disk to drive a linear drive device. A floppy disk drive device characterized by comprising a pulse motor.
JP16372284A 1984-08-02 1984-08-02 Floppy disc driver Pending JPS6142784A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16372284A JPS6142784A (en) 1984-08-02 1984-08-02 Floppy disc driver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16372284A JPS6142784A (en) 1984-08-02 1984-08-02 Floppy disc driver

Publications (1)

Publication Number Publication Date
JPS6142784A true JPS6142784A (en) 1986-03-01

Family

ID=15779415

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16372284A Pending JPS6142784A (en) 1984-08-02 1984-08-02 Floppy disc driver

Country Status (1)

Country Link
JP (1) JPS6142784A (en)

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