JPS588568B2 - Magnet Troubleshooter - Google Patents
Magnet TroubleshooterInfo
- Publication number
- JPS588568B2 JPS588568B2 JP11003775A JP11003775A JPS588568B2 JP S588568 B2 JPS588568 B2 JP S588568B2 JP 11003775 A JP11003775 A JP 11003775A JP 11003775 A JP11003775 A JP 11003775A JP S588568 B2 JPS588568 B2 JP S588568B2
- Authority
- JP
- Japan
- Prior art keywords
- magnet roll
- magnet
- shaft
- magnetization
- plane
- 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
Description
【発明の詳細な説明】
本発明は電子複写機などの磁気ブラシ現像装置に用いら
れるマグネットロールの着磁方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method of magnetizing a magnet roll used in a magnetic brush developing device such as an electronic copying machine.
マグネットロールの大部分は、非磁性のスリーブが回転
し、内側のマグネット部分は所定位置に固定して用いら
れるため、その着磁角度は厳しく規定されている。Most of the magnet rolls have a rotating non-magnetic sleeve and the inner magnet part is fixed at a predetermined position, so the angle of magnetization is strictly regulated.
このため、従来は第１図に示す方法によりマグネットロ
ールに着磁を行っていた。For this reason, the magnet roll has conventionally been magnetized by the method shown in FIG.
すなわち、着磁ヨーク１にマグネットロール２を装着し
た後、シャフト３に突出した位置規制部４を有する位置
決め治具５を嵌入する。That is, after the magnet roll 2 is attached to the magnetizing yoke 1, the positioning jig 5 having the position regulating portion 4 protruding from the shaft 3 is fitted.
該治具５を嵌人後シャフト３の端部に設けられた軸方向
に平行な平面６を位置決め治具５に取り付けた固着用ネ
ジ７により押圧固定した後、前記位置決め治具５の位置
規制部４を着磁ヨーク１にあらかじめ固定してある位置
規制治具８に当接せしめた状態で着磁ヨークに磁場を発
生せしめマグネットロール２の着磁を行う。After fixing the jig 5 by pressing a plane 6 parallel to the axial direction provided at the end of the post-fitting shaft 3 with a fixing screw 7 attached to the positioning jig 5, the position of the positioning jig 5 is regulated. The magnet roll 2 is magnetized by generating a magnetic field in the magnetizing yoke while the portion 4 is brought into contact with a position regulating jig 8 fixed in advance to the magnetizing yoke 1.
しかしながら、上記従来方法では、シャフトに設けられ
た平面をネジで締めつけることにより、マグネットロー
ルの止めと着磁位置の合わせを行っていたために、その
着磁位置精度は±２度が限界であった。However, in the above conventional method, the magnet roll was stopped and the magnetized position was aligned by tightening the flat surface provided on the shaft with a screw, so the magnetization position accuracy was limited to ±2 degrees. .
このため、磁気ブラシ現像装置を構成した際に、磁気ブ
ラシの最適位置が変化すること、トナーの搬送が必ずし
も円滑でないこと等の欠点があった。For this reason, when constructing a magnetic brush developing device, there are drawbacks such as the optimum position of the magnetic brush changing and toner transport not necessarily being smooth.
本発明は、上記従来方法の欠点を解消し、着磁位置誤差
の極めて少ないマグネットロールを提供することを目的
とする。An object of the present invention is to eliminate the drawbacks of the above-mentioned conventional methods and provide a magnet roll with extremely small magnetization position errors.
上記目的を達成するために、本発明はシャフトの端部に
設けられた軸方向にほぼ平行な平面を、着磁ヨークにあ
らかじめ設定された位置規定用平面に密接固定すること
により着磁位置精度を向上せしめたことを特徴とするも
のである。In order to achieve the above object, the present invention improves magnetization position accuracy by closely fixing a plane substantially parallel to the axial direction provided at the end of the shaft to a position defining plane set in advance on the magnetization yoke. It is characterized by improved performance.
以下本発明を実施例に基づいて詳細に説明する。The present invention will be described in detail below based on examples.
第２図は本発明の一実施例を示す概略構成図である。FIG. 2 is a schematic configuration diagram showing an embodiment of the present invention.
ます着磁ヨーク１にマグネットロール２を装着する。A magnet roll 2 is attached to a magnetizing yoke 1.
このときマグネットロール２のシャフト３があらかじめ
着磁ヨーク１に固定された位置決め治具５ａに穿設され
た穴９に嵌入するように装着する。At this time, the shaft 3 of the magnet roll 2 is fitted so as to fit into a hole 9 formed in a positioning jig 5a fixed to the magnetizing yoke 1 in advance.
次に位置戻め治具５ａに取付けられている固着用ネジ７
ａによりシャフト３を押圧し、シャフト３に設けられた
軸方向にほぼ平行な平面６を前記穴９に設けられた位置
規制用平面１０に固定する。Next, the fixing screw 7 attached to the position return jig 5a
a to press the shaft 3 and fix the flat surface 6 provided on the shaft 3, which is substantially parallel to the axial direction, to the position regulating flat surface 10 provided in the hole 9.
しかる後にマグネットロール２に着磁を施す。After that, the magnet roll 2 is magnetized.
かかる着磁方法によれば面接触による位置規制ができる
ためその着磁位置精度は極めて向上し、±０．５度で安
定に量産が出来る。According to this magnetization method, the position can be regulated by surface contact, so the magnetization position accuracy is extremely improved, and mass production can be stably performed within ±0.5 degrees.
上記実施例より明らかな如く、本発明においては、着磁
ヨークにあらかじめ固定する位置決め治具５ａの穴９の
取付位置精度が極めて重要であるが位置決め治具５ａを
マグネットロール２と同心状に固定することにより極め
て容易に高精度を達成できる。As is clear from the above embodiment, in the present invention, the accuracy of the mounting position of the hole 9 of the positioning jig 5a, which is fixed in advance to the magnetizing yoke, is extremely important; however, the positioning jig 5a is fixed concentrically with the magnet roll 2. By doing so, high accuracy can be achieved extremely easily.
また、上記実施例はマグネットロールの着磁方法につい
て開示したものであるが、本発明方法は着磁後の着磁位
置検出にも適用できる。Further, although the above embodiment discloses a method for magnetizing a magnet roll, the method of the present invention can also be applied to detecting a magnetized position after magnetization.
以上詳述した如く、本発明は非常に高精度の着磁位置を
有するマグネットロールを具現できるものであり、その
工業上の効果は大である。As described in detail above, the present invention can realize a magnet roll having a highly accurate magnetized position, and has great industrial effects.
第１図は従来の着磁方法を示す概略構成図、第２図は本
発明の一実施例を示す概略構成図である。
１：着磁ヨーク、２：マグネットロール、３：シャフト
、５，５ａ：位置決め治具、６：シャフトに設けた平面
、７，７ａ：固着用ネジ、１０：位置規制用平面。FIG. 1 is a schematic block diagram showing a conventional magnetization method, and FIG. 2 is a schematic block diagram showing an embodiment of the present invention. 1: Magnetizing yoke, 2: Magnet roll, 3: Shaft, 5, 5a: Positioning jig, 6: Plane provided on shaft, 7, 7a: Fixing screw, 10: Position regulating plane.
Claims (1)
を設けたシャフトを有するマグネットロールを着磁ヨー
クに装着し、次いで前記平面を着磁ヨークにあらかじめ
設定した位置規定用平面に密接せしめて固定した後に、
前記マグネットロールに所定の着磁を施すことを特徴と
するマグネットロールの着磁方法。1. After attaching a magnet roll having a shaft having a plane parallel or almost parallel to the axis on at least one end to the magnetizing yoke, and then fixing the plane in close contact with a position-defining plane set in advance on the magnetizing yoke. ,
A method for magnetizing a magnet roll, comprising subjecting the magnet roll to a predetermined magnetization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11003775A JPS588568B2 (en) | 1975-09-12 | 1975-09-12 | Magnet Troubleshooter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11003775A JPS588568B2 (en) | 1975-09-12 | 1975-09-12 | Magnet Troubleshooter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5238228A JPS5238228A (en) | 1977-03-24 |
| JPS588568B2 true JPS588568B2 (en) | 1983-02-16 |
Family
ID=14525501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11003775A Expired JPS588568B2 (en) | 1975-09-12 | 1975-09-12 | Magnet Troubleshooter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS588568B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0217811Y2 (en) * | 1983-06-03 | 1990-05-18 | ||
| JP2006258749A (en) * | 2005-03-18 | 2006-09-28 | Samutaku Kk | Rotary shaft, multiple rotation encoder, and method for manufacturing rotary shaft |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04128658U (en) * | 1991-05-15 | 1992-11-24 | 高木製綿株式会社 | Futon with air mattress |
-
1975
- 1975-09-12 JP JP11003775A patent/JPS588568B2/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0217811Y2 (en) * | 1983-06-03 | 1990-05-18 | ||
| JP2006258749A (en) * | 2005-03-18 | 2006-09-28 | Samutaku Kk | Rotary shaft, multiple rotation encoder, and method for manufacturing rotary shaft |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5238228A (en) | 1977-03-24 |
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