JPH0675224B2 - Developer stirring device - Google Patents
Developer stirring deviceInfo
- Publication number
- JPH0675224B2 JPH0675224B2 JP15061285A JP15061285A JPH0675224B2 JP H0675224 B2 JPH0675224 B2 JP H0675224B2 JP 15061285 A JP15061285 A JP 15061285A JP 15061285 A JP15061285 A JP 15061285A JP H0675224 B2 JPH0675224 B2 JP H0675224B2
- Authority
- JP
- Japan
- Prior art keywords
- developer
- developing solution
- toner
- tank
- toner bottle
- 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 - Lifetime
Links
Landscapes
- Wet Developing In Electrophotography (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は、湿式複写機等に適用される現像液の攪拌装置
に関するものである。DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a stirring device for a developing solution applied to a wet copying machine or the like.
（従来の技術） 補給用のトナーを収容したトナー補給ボトルから現像液
タンク内にトナー補給液を補給しつつ、現像液タンク内
の現像液を汲み上げて、その現像液を感光体の現像部へ
供給する複写機では、現像液タンク内の現像液を攪拌す
ることが行なわれている。(Prior Art) While replenishing the toner replenisher into the developer tank from a toner replenishing bottle containing replenishment toner, the developer in the developer tank is pumped up and the developer is transferred to the developing section of the photoconductor. In the copier to be supplied, the developer in the developer tank is agitated.
（発明が解決しようとする課題） 上記現像液の攪拌は、現像液タンク内に設けられている
攪拌羽根によって行なわれるが、従来、その攪拌は攪拌
羽根の回転運動によって行なわれているので、回転する
攪拌羽根の遠心力により現像液が局所的に澱む事態を生
じ、現像液が現像液タンク内において均一に攪拌されな
いという問題点があった。(Problems to be Solved by the Invention) The stirring of the developing solution is performed by a stirring blade provided in the developing solution tank. Conventionally, since the stirring is performed by the rotating motion of the stirring blade, the stirring is performed. The centrifugal force of the stirring blade causes the developer to locally settle, and there is a problem that the developer is not uniformly stirred in the developer tank.
この発明の目的は、現像液の攪拌が均一に行なわれる現
像液攪拌装置を提供することにある。An object of the present invention is to provide a developing solution stirring device in which stirring of the developing solution is performed uniformly.
（課題を解決するための手段） この発明は、現像液を収容する現像液タンクと、上記現
像液タンク内に摺動自在に設けられ、その摺動方向と交
叉する互いに平行な攪拌羽根を有する現像液攪拌部材
と、上記現像液タンクにトナーを補給するためのトナー
補給ボトルを挿脱自在に保持する、上記現像液タンクに
回転自在に支持されたトナーボトル回転ホルダーと、上
記トナーボトル回転ホルダーの、上記現像液タンク内に
臨む端部に一体的に形成され、該トナーボトル回転ホル
ダーの回転中心に対して偏心した円周部からなる偏心カ
ムと、 上記トナーボトル回転ホルダーを回転させる回転駆動手
段と、上記偏心カムに係合し、該偏心カムの回転運動を
直線往復運動として上記現像液攪拌部材に伝える該現像
液攪拌部材に設けられたカムフォロアとを具備する。(Means for Solving the Problems) The present invention has a developer tank for containing a developer, and stirring blades slidably provided in the developer tank and parallel to each other and intersecting the sliding direction. A developing solution stirring member, a toner bottle rotating holder rotatably supported by the developing solution tank, which holds the developing solution tank so that a toner replenishing bottle for replenishing the developing solution tank can be inserted and removed, and the toner bottle rotating holder. An eccentric cam integrally formed at the end facing the developer tank and having a circumferential portion eccentric to the rotation center of the toner bottle rotation holder; and a rotation drive for rotating the toner bottle rotation holder. Means for engaging with the eccentric cam and transmitting the rotational movement of the eccentric cam to the developer stirring member as a linear reciprocating motion, provided on the developer stirring member. Comprising the door.
（作用） トナー補給ボトルを保持したトナーボトル回転ホルダー
を、その回転駆動手段により回転させると、トナーボト
ル回転ホルダーの偏心カムと現像液攪拌部材に設けられ
たカムフォロアとによって、現像液攪拌部材に直線往復
運動が与えられ、現像液タンク内の現像液が攪拌され
る。(Operation) When the toner bottle rotation holder holding the toner supply bottle is rotated by the rotation driving means, the developer bottle stirring member is linearly moved by the eccentric cam of the toner bottle holder and the cam follower provided in the developer stirring member. A reciprocating motion is given to stir the developer in the developer tank.
（実施例） 第１図において、符号１はトナー補給ボトルを、２はト
ナー補給ボトル１を挿脱自在に支持するトナーボトル回
転ホルダーを、３は現像液を収容する現像液タンクを、
４は現像液タンク３内に摺動自在に設けられる現像液攪
拌部材をそれぞれ示している。(Embodiment) In FIG. 1, reference numeral 1 is a toner replenishing bottle, 2 is a toner bottle rotating holder for removably supporting the toner replenishing bottle 1, and 3 is a developing solution tank for containing a developing solution.
Denoted at 4 are developer stirring members provided slidably in the developer tank 3.
トナーボトル回転ホルダー２は、現像液タンク３の頂板
に回転自在に支持されている。このトナーボトル回転ホ
ルダー２の、現像液タンク３内に臨む端部には、トナー
ボトル回転ホルダー２の回転中心Ｏに対して偏心した円
周部からなる偏心カム2Aが一体的に形成されている。ト
ナーボトル回転ホルダー２の周面には、歯車部2Bが一体
に形成されていて、この歯車部2Bには回転駆動手段とし
ての駆動歯車７が噛み合っている。The toner bottle rotation holder 2 is rotatably supported on the top plate of the developer tank 3. An eccentric cam 2A composed of a circumferential portion eccentric with respect to the rotation center O of the toner bottle rotation holder 2 is integrally formed at an end of the toner bottle rotation holder 2 which faces the developing solution tank 3. . A gear portion 2B is integrally formed on the peripheral surface of the toner bottle rotation holder 2, and a drive gear 7 as a rotation driving means meshes with the gear portion 2B.
現像液攪拌部材４は、その摺動方向と交叉する互いに平
行な攪拌羽根を有し現像液タンク３の底板上に摺動自在
に乗っている。現像液攪拌部材４には、２本のピン５、
５が固植されており、これら各ピンの上端5a、5aは、現
像液タンク３の頂板に形成された案内長孔3a、3aに緩く
嵌め込まれている。さらに、現像液攪拌部材４には、一
対の係合片６、６が一体的に起立されていて、この係合
片６、６は、偏心カム2Aを現像液攪拌部材４の摺動方向
から緩く挟んだカムフォロアを構成している。The developer stirring member 4 has stirring blades which are parallel to each other and intersect the sliding direction thereof, and is slidably mounted on the bottom plate of the developer tank 3. The developer stirring member 4 has two pins 5,
5, the upper ends 5a, 5a of these pins are loosely fitted in the guide slots 3a, 3a formed in the top plate of the developer tank 3. Further, a pair of engaging pieces 6, 6 are integrally erected on the developing solution stirring member 4, and the engaging pieces 6, 6 move the eccentric cam 2A from the sliding direction of the developing solution stirring member 4. It forms a loosely sandwiched cam follower.
トナーボトル回転ホルダー２がトナー補給ボトル１もろ
とも回転させられると、トナー補給ボトル１を保持した
トナーボトル回転ホルダー２を、その回転駆動手段であ
る駆動歯車７によって回転させると、偏心カム2Aとカム
フォロアたる係合片６、６とによって、現像液攪拌部材
４に、図において左右方向（矢印ａ方向）の直線往復運
動が与えられ、現像液タンク３内の現像液が横方向に攪
拌される。現像液攪拌部材４の直線往復運動は、ピン５
の上端5aが案内長孔3aを摺動することによって保証され
る。When the toner bottle rotating holder 2 is rotated together with the toner replenishing bottle 1, the toner bottle rotating holder 2 holding the toner replenishing bottle 1 is rotated by the drive gear 7 which is the rotation driving means, so that the eccentric cam 2A and the cam follower are rotated. By the barrel engaging pieces 6 and 6, the developer stirring member 4 is linearly reciprocated in the left-right direction (the direction of arrow a) in the figure, so that the developer in the developer tank 3 is stirred laterally. The linear reciprocating motion of the developer stirring member 4 causes the pin 5 to move.
The upper end 5a of the is secured by sliding in the guide slot 3a.
なお、以上説明した実施例では、トナー補給ボトル１も
トナーボトル回転ホルダー２と共に回転する構成となっ
ているので、現像液タンク３内の現像液攪拌と同時に、
トナー補給ボトル１内の現像液攪拌をも行なうことがで
きる。In the embodiment described above, the toner replenishing bottle 1 is also configured to rotate together with the toner bottle rotation holder 2, so that at the same time when the developer in the developer tank 3 is stirred,
It is also possible to stir the developer in the toner supply bottle 1.
（効果） 以上、本発明によれば、トナー補給ボトルを保持したト
ナーボトル回転ホルダーを、その回転駆動手段により回
転させることにより、トナーボトル回転ホルダーの偏心
カムと現像液攪拌部材に設けられたカムフォロアとによ
って、現像液攪拌部材に直線往復運動を与えるので、現
像液タンク内の現像液が横方向に攪拌され、現像液の攪
拌が均一に行なわれ、濃度むらのない現像液を感光体に
供給することができる。(Effect) As described above, according to the present invention, the toner bottle rotating holder holding the toner replenishing bottle is rotated by the rotation driving means, so that the eccentric cam of the toner bottle rotating holder and the cam follower provided on the developer stirring member. By applying a linear reciprocating motion to the developer stirring member, the developer in the developer tank is agitated laterally, the developer is uniformly stirred, and the developer having uniform density is supplied to the photoreceptor. can do.
第１図は本発明の一実施例を示す現像液攪拌装置の断面
図、第２図は現像液攪拌部材の部分的平面図である。 １……トナー補給ボトル、２……トナーボトル回転ホル
ダー、2A……偏心カム、３……現像液タンク、４……現
像液攪拌部材、６……係合片（カムフォロア）、７……
駆動歯車（回転駆動手段）FIG. 1 is a sectional view of a developing solution stirring device showing an embodiment of the present invention, and FIG. 2 is a partial plan view of a developing solution stirring member. 1 ... Toner supply bottle, 2 ... Toner bottle rotation holder, 2A ... Eccentric cam, 3 ... Developer tank, 4 ... Developer stirring member, 6 ... Engaging piece (cam follower), 7 ...
Drive gear (rotation drive means)
Claims (1)
向と交叉する互いに平行な攪拌羽根を有する現像液攪拌
部材と、 上記現像液タンクにトナーを補給するためのトナー補給
ボトルを挿脱自在に保持する、上記現像液タンクに回転
自在に支持されたトナーボトル回転ホルダーと、 上記トナーボトル回転ホルダーの、上記現像液タンク内
に臨む端部に一体的に形成され、該トナーボトル回転ホ
ルダーの回転中心に対して偏心した円周部からなる偏心
カムと、 上記トナーボトル回転ホルダーを回転させる回転駆動手
段と、 上記偏心カムに係合し、該偏心カムの回転運動を直線往
復運動として上記現像液攪拌部材に伝える該現像液攪拌
部材に設けられたカムフォロアと、 を具備した現像液攪拌装置。1. A developing solution tank containing a developing solution, a developing solution stirring member slidably provided in the developing solution tank, and having parallel stirring blades intersecting with the sliding direction, and the developing device. A toner bottle rotation holder rotatably supported by the developer tank, which holds a toner supply bottle for replenishing toner to the liquid tank in an attachable / detachable manner, and in the developer tank of the toner bottle rotation holder. An eccentric cam that is integrally formed at the facing end portion and has a circumferential portion that is eccentric with respect to the rotation center of the toner bottle rotation holder, a rotation driving unit that rotates the toner bottle rotation holder, and an eccentric cam. And a cam follower provided in the developer stirring member for transmitting the rotational movement of the eccentric cam to the developer stirring member as a linear reciprocating motion, and a developer stirring provided with: Location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15061285A JPH0675224B2 (en) | 1985-07-09 | 1985-07-09 | Developer stirring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15061285A JPH0675224B2 (en) | 1985-07-09 | 1985-07-09 | Developer stirring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6210676A JPS6210676A (en) | 1987-01-19 |
| JPH0675224B2 true JPH0675224B2 (en) | 1994-09-21 |
Family
ID=15500684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15061285A Expired - Lifetime JPH0675224B2 (en) | 1985-07-09 | 1985-07-09 | Developer stirring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0675224B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02126889A (en) * | 1988-11-08 | 1990-05-15 | Matsushita Electric Ind Co Ltd | Control device of washing machine |
| JPH0334581U (en) * | 1989-08-08 | 1991-04-04 |
-
1985
- 1985-07-09 JP JP15061285A patent/JPH0675224B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6210676A (en) | 1987-01-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |