JPH0418109Y2 - - Google Patents
Info
- Publication number
- JPH0418109Y2 JPH0418109Y2 JP1986185520U JP18552086U JPH0418109Y2 JP H0418109 Y2 JPH0418109 Y2 JP H0418109Y2 JP 1986185520 U JP1986185520 U JP 1986185520U JP 18552086 U JP18552086 U JP 18552086U JP H0418109 Y2 JPH0418109 Y2 JP H0418109Y2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic disk
- hub
- center
- rotating shaft
- fixed
- 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
Links
- 230000037431 insertion Effects 0.000 claims description 21
- 238000003780 insertion Methods 0.000 claims description 17
- 210000000078 claw Anatomy 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 101000606504 Drosophila melanogaster Tyrosine-protein kinase-like otk Proteins 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000011553 magnetic fluid Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 229910001105 martensitic stainless steel Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は、高密度容量の磁気デイスクを挿着す
る磁気デイスク挿着機構に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a magnetic disk insertion mechanism for inserting a high-density capacity magnetic disk.
従来第５図のようにハード磁気デイスク装置の
スピンドルモータの回転軸の一端に固定されて回
転駆動されるハブ３の外周３ｂに高密度容量の情
報信号記録媒体の磁気デイスク４を装着する時
は、手作業で何枚もの磁気デイスクを１枚ずつ指
で支えて例えば外径寸法φDのハブ３の外周に、
内径寸法がφD′の磁気デイスク４の中心孔４ａが
嵌められ、両者のクリアランスは部品加工精度能
力より従来は30〜50μm以上をもつていた。
Conventionally, as shown in FIG. 5, when a magnetic disk 4 of a high-density capacity information signal recording medium is mounted on the outer periphery 3b of a hub 3 fixed to one end of the rotating shaft of a spindle motor of a hard magnetic disk device and driven to rotate. For example, by manually supporting a number of magnetic disks one by one with your fingers, place them on the outer periphery of a hub 3 having an outer diameter of φD.
A center hole 4a of a magnetic disk 4 having an inner diameter of φD' is fitted into the center hole 4a of the magnetic disk 4, and the clearance between the two has conventionally been 30 to 50 .mu.m or more due to the accuracy of parts machining.
従つて何枚も磁気デイスクを重ねると作業性が
悪く、手作業時間が長くかかつて能率が悪いと共
にハブの外周面に磁気デイスクの中心孔縁がぶつ
かつてしまい、磁気デイスクとハブの外周面に傷
が付き易く、手作業で嵌めるので各磁気デイスク
のセンターが少しずつずれてしまい、上記傷付き
によつて次に嵌める磁気デイスクが嵌め難いと共
に傷付きとクリアランスでセンターがずれる原因
になつていた。 Therefore, stacking many magnetic disks will result in poor work efficiency, long manual labor hours, poor efficiency, and the edge of the center hole of the magnetic disk will hit the outer circumferential surface of the hub, causing damage to the outer circumferential surface of the magnetic disk and hub. Because they were easily scratched and were fitted manually, the center of each magnetic disk would shift slightly, and the scratches made it difficult to fit the next magnetic disk, and the scratches and clearance caused the center to shift. .
上記のように磁気デイスクのセンターがずれる
とアンバランスの原因となり、回転駆動で振動し
て続出しでオフトラツクとなるからトラツキング
エラーを起こして高密度記録メデイアにとつて非
常に大きな問題となつていた。 As mentioned above, if the center of the magnetic disk is misaligned, it will cause an imbalance, and it will vibrate due to rotational drive and become off-track, causing tracking errors, which is a very big problem for high-density recording media. Ta.
本考案は上記欠点に鑑み、ロボツト等で磁気デ
イスクをモータの回転軸の一端側に固着されたハ
ブに自動マウント出来るようにして作業の効率化
と組立精度の向上とトラツキングエラーの低減を
計り、信頼性を向上した磁気デイスク挿着機構を
提案することである。
In view of the above-mentioned drawbacks, the present invention aims to improve work efficiency, improve assembly accuracy, and reduce tracking errors by allowing a robot or the like to automatically mount a magnetic disk to a hub fixed to one end of the motor's rotating shaft. The purpose of this invention is to propose a magnetic disk insertion mechanism with improved reliability.
本考案は、磁気デイスク駆動用モータの回転軸
の一端側に略カツプ状に形成されたハブの底面中
央部を固着すると共に、上記ハブの外周に上記磁
気デイスクの中心孔を嵌合して挿着するデイスク
挿着機構において、上記モータの回転軸の一端側
先端面中心に上記磁気デイスク挿着時の挿着基準
位置となるガイド部を形成すると共に、上記ハブ
の底部にデイスククランプを固定してなることに
ある。
The present invention fixes the center portion of the bottom surface of a substantially cup-shaped hub to one end of the rotating shaft of a magnetic disk drive motor, and also fits and inserts the center hole of the magnetic disk into the outer periphery of the hub. In the disk insertion mechanism to be mounted, a guide portion is formed at the center of the tip surface of one end side of the rotating shaft of the motor to serve as an insertion reference position when the magnetic disk is inserted, and a disk clamp is fixed to the bottom of the hub. It's about becoming.
以下、図示の実施例で本考案を説明する。第１
図で磁気デイスク装置１はハードデイスク用駆動
モータの回転軸２の上側の一端側に略カツプ状に
形成されたハブ３の底面３ａの中央部が固着さ
れ、ハブ３の外周３ｂに複数枚の磁気デイスク４
の中心孔４ａが嵌合されて挿着され、回転軸２の
一端側先端面２ａ中心に挿着基準位置と成る断面
Ｖ字形の円錐状穴のガイド部２ｂが形成されて挿
着機構が構成されている。
The present invention will be explained below with reference to illustrated embodiments. 1st
In the figure, a magnetic disk device 1 has a hub 3 formed in a substantially cup shape with the center portion of the bottom surface 3a fixed to one end above the rotating shaft 2 of a hard disk drive motor, and a plurality of magnetic disks attached to the outer periphery 3b of the hub 3. disk 4
The center hole 4a of the rotary shaft 2 is fitted and inserted, and a conical hole guide portion 2b having a V-shaped cross section and serving as an insertion reference position is formed at the center of the tip surface 2a on one end side of the rotating shaft 2, thereby forming an insertion mechanism. has been done.
上記ハブ３に磁気デイスク４が挿着される時は
後述するロボツトシステムのチヤツク爪で磁気デ
イスク４が保持されて外周３ｂにスペーサー１０
を挾んで嵌められてフランジ３ｃ上に載せられ、
デイスククランプ１１がハブ３に螺合されたネジ
１２で固定されて磁気デイスク４がハブ３に挿着
固定されている。 When the magnetic disk 4 is inserted into the hub 3, the magnetic disk 4 is held by the chuck claw of the robot system, which will be described later, and the spacer 10 is attached to the outer periphery 3b.
is placed on the flange 3c,
A disk clamp 11 is fixed to the hub 3 with a screw 12, and the magnetic disk 4 is inserted and fixed to the hub 3.
上記回転軸２は軸受５，６で軸承され、軸受
５，６はマルテンサイト系ステンレス鋼
（sus403）又は軸受鋼（suj2）で形成された中空
筒の軸受ホルダー７の筒内に止め具１３，１３と
コイルバネ１４を挾んで嵌められて接着剤で固定
されている。軸受ホルダー７の下端はアルミダイ
キヤストで形成された非磁性材からなるハウジン
グ８の中心に嵌合固定されている。 The rotating shaft 2 is supported by bearings 5 and 6, and the bearings 5 and 6 are fitted with a stopper 13 in the cylinder of a hollow cylinder bearing holder 7 made of martensitic stainless steel (sus403) or bearing steel (SUJ2). 13 and a coil spring 14 are fitted together and fixed with adhesive. The lower end of the bearing holder 7 is fitted and fixed to the center of a housing 8 made of a non-magnetic material made of aluminum die-casting.
上記軸受ホルダー７内の上側には段部７ａが形
成され、２枚のヨーク１５，１６でマグネツト１
７が挾み込まれて接着剤で固着され、磁性流体が
注入されて密封する磁気シール機構が構成されて
軸受の摩耗による金属粉やチリがモータ外部に放
出され、磁気デイスク４に付着するのが防止され
ている。 A stepped portion 7a is formed on the upper side of the bearing holder 7, and the magnet 1 is
7 is sandwiched and fixed with adhesive, and a magnetic fluid is injected to form a sealing mechanism that prevents metal powder and dust caused by wear of the bearings from being emitted to the outside of the motor and attaching to the magnetic disk 4. is prevented.
上記回転軸２の下端にはローターケース１８が
固定されている。ローターケース１８の内周には
ローターマグネツト１９が固定され、ローターマ
グネツトと対向する位置にステータコア２０が軸
受ホルダー７の下端外周に固定されている。回転
軸２の下端に嵌められたボール２１はハウジング
８に固定された受け板２２に載せられている。 A rotor case 18 is fixed to the lower end of the rotating shaft 2. A rotor magnet 19 is fixed to the inner periphery of the rotor case 18, and a stator core 20 is fixed to the outer periphery of the lower end of the bearing holder 7 at a position facing the rotor magnet. A ball 21 fitted to the lower end of the rotating shaft 2 is placed on a receiving plate 22 fixed to the housing 8.
上記磁気デイスク４がハブ３に挿着される時は
磁気デイスク装置１が図示しないロボツトシステ
ムのシヤーシ上に取り付けられて位置検索センサ
ー９が挿着基準位置と成るガイド部２ｂに第２
図、第３図のように当てられるようにシヤーシと
磁気デイスク装置１が自動的に移動されて位置検
索センサー９とガイド部２ｂが一致するとボール
２３がガイド部２ｂに挿入されて磁気デイスク４
の挿入中心位置が決定され、この情報がロボツト
システムの記憶装置に記憶される。 When the magnetic disk 4 is inserted into the hub 3, the magnetic disk device 1 is mounted on the chassis of a robot system (not shown), and the position search sensor 9 is inserted into the second guide portion 2b, which serves as the insertion reference position.
When the chassis and the magnetic disk device 1 are automatically moved so that the position search sensor 9 and the guide portion 2b match as shown in FIG.
The insertion center position of the robot is determined, and this information is stored in the storage device of the robot system.
上記位置検索センサー９は例えば有底筒部９ａ
の筒穴９ｂ内にコイルバネ２４とボール２３が挿
入されてボール２３が筒穴９ｂ内で上下動可能に
抜け止めされている。 The position search sensor 9 is, for example, a bottomed cylinder portion 9a.
A coil spring 24 and a ball 23 are inserted into the cylindrical hole 9b, and the ball 23 is prevented from falling out while being able to move up and down within the cylindrical hole 9b.
上記のように磁気デイスク４の挿入中心位置が
決定されるとロボツトシステムのチヤツク爪２
５，２５で磁気デイスク４が保管場所で挾み込ま
れ、第４図のようにハブ３上に移動されて挿入さ
れる。 When the insertion center position of the magnetic disk 4 is determined as described above, the chuck claw 2 of the robot system
At steps 5 and 25, the magnetic disk 4 is inserted into the storage area, and is moved and inserted onto the hub 3 as shown in FIG.
次にスペーサ１０が保管場所で挾み込まれてハ
ブ３上に移動されて挿入され、この作業が所要回
数繰り返されてデイスククランプ１１がロボツト
システムでネジ止めされて磁気デイスク４の挿着
作業が終了する。 Next, the spacer 10 is sandwiched in the storage area, moved onto the hub 3, and inserted, and this operation is repeated the required number of times, and the disk clamp 11 is screwed by the robot system to complete the insertion work of the magnetic disk 4. finish.
上記挿着基準位置と成るガイド部２ｂは回転軸
２の中心又はハブ３の外径に対し振れ精度が１０
μm以下に加工することが出来るから、位置検索
センサー９で磁気デイスク４の挿入中心位置が決
定されると高い精度で磁気デイスク４がハブ３の
外周３ｂに挿着される。 The guide portion 2b, which serves as the reference insertion position, has a runout accuracy of 10 with respect to the center of the rotating shaft 2 or the outer diameter of the hub 3.
Since it can be processed to a size smaller than μm, when the insertion center position of the magnetic disk 4 is determined by the position search sensor 9, the magnetic disk 4 is inserted onto the outer periphery 3b of the hub 3 with high accuracy.
又、挿入中心位置がロボツトシステムで決定さ
れたハブ３に磁気デイスク４が挿入されるので挿
入が容易で作業効率が著しく向上されると共にハ
ブ３の外周３ｂに磁気デイスク４の中心孔４ａの
挿入で傷を付けることがないので精度の高い挿着
が出来て回転駆動において振動を極力抑え、トラ
ツキングエラーが低減され、磁気デイスクに高密
度容量の記録・再生が安定的に可能となり、信頼
性の高い磁気デイスク装置となる。 In addition, since the magnetic disk 4 is inserted into the hub 3 whose insertion center position is determined by the robot system, insertion is easy and work efficiency is significantly improved. Because it does not cause any scratches, it can be inserted with high precision, and vibrations are suppressed as much as possible during rotational drive, tracking errors are reduced, and high-density recording and playback of magnetic disks can be stably performed, resulting in high reliability. It becomes a magnetic disk device with high performance.
上記説明ではガイド部２ｂを断面Ｖ字形の円錐
状穴で形成したが他の形状のガイド部としてもよ
い。 In the above description, the guide portion 2b is formed of a conical hole having a V-shaped cross section, but the guide portion may have another shape.
本考案は上述のように構成されたから、ハブの
外径に対し挿着基準位置と成るガイド部が高い精
度で加工されて位置決めされ、ロボツトシステム
を使用すると、モータの回転軸の一端側先端面中
心に形成されたガイド部を挿着基準として、磁気
デイスクがハブの外周に高い精度で挿着されるた
め、振動が少なくなり、トラツキングエラーが低
減されて、磁気デイスクに高密度容量の記録・再
生が安定的に可能となる。また、信頼性が向上さ
れると共に作業効率が著しく向上される。又、ハ
ブに磁気デイスクを挿着した後、ハブの底部にデ
イスククランプを固定することにより、磁気デイ
スクはハブに確実に挿着固定されるため、磁気デ
イスクが挿着後に位置ずれすることがなく、信頼
性が向上する。さらに、デイスクの内周及びハブ
の外周に傷を付けることがない等実用上優れた効
果を奏する磁気デイスク挿着機構を提供すること
が出来る。
Since the present invention is constructed as described above, the guide part, which serves as the insertion reference position, is machined and positioned with high precision relative to the outer diameter of the hub, and when a robot system is used, the tip surface of one end of the motor's rotating shaft is The magnetic disk is inserted into the outer periphery of the hub with high precision using the guide part formed at the center as the insertion reference, reducing vibration and tracking errors, allowing high-density storage capacity to be recorded on the magnetic disk. - Stable playback is possible. In addition, reliability is improved and work efficiency is significantly improved. In addition, by fixing the disk clamp to the bottom of the hub after inserting the magnetic disk into the hub, the magnetic disk is securely inserted and fixed into the hub, so the magnetic disk will not shift its position after insertion. , reliability is improved. Furthermore, it is possible to provide a magnetic disk insertion mechanism that has excellent practical effects such as not damaging the inner circumference of the disk and the outer circumference of the hub.
第１図から第４図は本考案の一実施例が示さ
れ、第１図は磁気デイスク装置の断面側面図、第
２図は磁気デイスクの挿着基準位置と成るガイド
部と位置検索センサーの要部断面側面図、第３図
は同位置検索状態の要部断面側面図、第４図はロ
ボツトシステムのチヤツク爪で磁気デイスクをハ
ブの外周に挿入する要部断面側面図、第５図は従
来の手作業でハブの外周に磁気デイスクを挿入す
る要部断面側面図である。
１……磁気デイスク装置、２……回転軸、２ａ
……一端側先端面、２ｂ……挿着基準位置と成る
ガイド部、３……略カツプ状に形成されたハブ、
３ａ……底面、３ｂ……外周、４……磁気デイス
ク、４ａ……中心孔。
1 to 4 show an embodiment of the present invention, in which FIG. 1 is a cross-sectional side view of a magnetic disk device, and FIG. Figure 3 is a cross-sectional side view of the main part in the same position search state, Figure 4 is a cross-sectional side view of the main part when the magnetic disk is inserted into the outer periphery of the hub using the chuck claw of the robot system, and Figure 5 is a cross-sectional side view of the main part. FIG. 2 is a sectional side view of a main part of a conventional method of manually inserting a magnetic disk onto the outer periphery of a hub. 1... Magnetic disk device, 2... Rotating shaft, 2a
. . . one end side tip surface, 2b . . . a guide portion serving as an insertion reference position, 3 . . . a hub formed in a substantially cup shape,
3a...bottom surface, 3b...outer periphery, 4...magnetic disk, 4a...center hole.
Claims (1)
略カツプ状に形成されたハブの底面中央部を固着
すると共に、上記ハブの外周に上記磁気デイスク
の中心孔を嵌合して挿着するデイスク挿着機構に
おいて、上記モータの回転軸の一端側先端面中心
に上記磁気デイスク挿着時の挿着基準位置となる
ガイド部を形成すると共に、上記ハブの底部にデ
イスククランプを固定してなることを特徴とする
磁気デイスク挿着機構。 A disk inserter is provided in which the center portion of the bottom surface of a hub formed in a substantially cup shape is fixed to one end side of the rotating shaft of a magnetic disk drive motor, and the center hole of the magnetic disk is inserted into the outer periphery of the hub. In the mounting mechanism, a guide portion is formed at the center of the tip surface of one end side of the rotating shaft of the motor to serve as an insertion reference position when the magnetic disk is inserted, and a disk clamp is fixed to the bottom of the hub. Features a magnetic disk insertion mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986185520U JPH0418109Y2 (en) | 1986-12-03 | 1986-12-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986185520U JPH0418109Y2 (en) | 1986-12-03 | 1986-12-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6391852U JPS6391852U (en) | 1988-06-14 |
| JPH0418109Y2 true JPH0418109Y2 (en) | 1992-04-22 |
Family
ID=31134225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986185520U Expired JPH0418109Y2 (en) | 1986-12-03 | 1986-12-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0418109Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6310362A (en) * | 1986-07-01 | 1988-01-16 | Hitachi Electronics Eng Co Ltd | Assembling device for annular member |
-
1986
- 1986-12-03 JP JP1986185520U patent/JPH0418109Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6310362A (en) * | 1986-07-01 | 1988-01-16 | Hitachi Electronics Eng Co Ltd | Assembling device for annular member |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6391852U (en) | 1988-06-14 |
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