JPH04190385A - Cleaning brush for electrophotographic recording device - Google Patents
Cleaning brush for electrophotographic recording deviceInfo
- Publication number
- JPH04190385A JPH04190385A JP32146790A JP32146790A JPH04190385A JP H04190385 A JPH04190385 A JP H04190385A JP 32146790 A JP32146790 A JP 32146790A JP 32146790 A JP32146790 A JP 32146790A JP H04190385 A JPH04190385 A JP H04190385A
- Authority
- JP
- Japan
- Prior art keywords
- cleaning brush
- photosensitive drum
- toner
- cleaning
- electrophotographic recording
- 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
- 238000004140 cleaning Methods 0.000 title claims abstract description 56
- 239000000428 dust Substances 0.000 abstract description 10
- 229920001778 nylon Polymers 0.000 abstract description 8
- 206010047571 Visual impairment Diseases 0.000 abstract description 7
- 239000004744 fabric Substances 0.000 abstract description 4
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 2
- 239000010935 stainless steel Substances 0.000 abstract description 2
- 239000003082 abrasive agent Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000004677 Nylon Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000011162 core material Substances 0.000 description 2
- 210000004209 hair Anatomy 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000001454 recorded image Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 239000012209 synthetic fiber Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical group [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
- G03G2221/0026—Cleaning of foreign matter, e.g. paper powder, from imaging member
- G03G2221/0031—Type of foreign matter
- G03G2221/0042—Paper powder and other dry foreign matter
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
- G03G2221/0026—Cleaning of foreign matter, e.g. paper powder, from imaging member
- G03G2221/0047—Type of cleaning device
- G03G2221/0052—Common container for holding cleaned foreign matter and residual toner
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
- G03G2221/0026—Cleaning of foreign matter, e.g. paper powder, from imaging member
- G03G2221/0068—Cleaning mechanism
- G03G2221/0089—Mechanical
Abstract
Description
【発明の詳細な説明】
〔概要〕
この発明は、電子写真記録装置のクリーニング装置に使
用するクリーニングブラシに関し、電子写真記録装置の
感光ドラムの表面に融着したトナーや用紙成分の塵埃な
どを十分に掻き取って除去することにより、残像・印字
かすれ・にじみ・地かぶりなどの障害の発生を防止する
ことを目的とし、
電子写真記録装置のクリーニング装置に使用するクリー
ニングブラシを形成するフィラメントが、研磨材を備え
てなることを特徴とするものである。[Detailed Description of the Invention] [Summary] The present invention relates to a cleaning brush used in a cleaning device for an electrophotographic recording device, and the present invention relates to a cleaning brush used in a cleaning device for an electrophotographic recording device, and is capable of sufficiently removing dust from toner and paper components fused to the surface of a photosensitive drum of an electrophotographic recording device. The filament that forms the cleaning brush used in the cleaning device of electrophotographic recording devices is polished to prevent problems such as afterimages, faded prints, smudges, and background fog by scraping and removing them. It is characterized by comprising a material.
この発明は、電子写真記録装置の構成要素の一つである
クリーニング装置に使用するクリーニングブラシに関す
るものである。The present invention relates to a cleaning brush used in a cleaning device, which is one of the components of an electrophotographic recording device.
〔従来の技術］
従来の電子写真記録装置の構成の概要は、第５図に示す
ように、感光ドラム１２を中心に感光ドラム１２上に帯
電させる前帯電器１３と、記録しようとする像に対応し
たレーザ光１５を発射して感光ドラム１２上に静電潜像
を形成する光学ユニット１４と、この静電潜像をトナー
像化する現像器１６と、感光ドラム１２の面上のトナー
８ａを紙９の上に写し取る転写帯電器１７と、感光ドラ
ム１２の面上に吸い着いて行こうとする祇９を感光ドラ
ム１２から剥がす分離帯電器１８と、感光ドラム１２の
面上に残った残留トナー１０を除去するクリーニング装
置１１とにより構成されている。[Prior Art] As shown in FIG. 5, the general structure of a conventional electrophotographic recording apparatus includes a pre-charger 13 that charges the photosensitive drum 12 and an image to be recorded. an optical unit 14 that emits a corresponding laser beam 15 to form an electrostatic latent image on the photosensitive drum 12; a developing device 16 that converts this electrostatic latent image into a toner image; and a toner 8a on the surface of the photosensitive drum 12. a transfer charger 17 that transfers the image onto the paper 9; a separation charger 18 that peels off the image 9 that has been adhering to the surface of the photosensitive drum 12 from the photosensitive drum 12; The cleaning device 11 removes residual toner 10.
また、クリーニング装置１１においては、ナイロン、レ
ーヨン、ベスロンなどの合成樹脂よす成る繊維を、使用
する装置に適合する太さ・音度・長さなどの条件に合わ
せて製作しものを帯状体に植毛し、これをロール状体に
巻いて形成したクリーニングブラシ１を、感光ドラム１
２に接触させて回転させることによって、クリーニング
効果を得るようにしていた。In addition, in the cleaning device 11, fibers made of synthetic resin such as nylon, rayon, and Beslon are made into strips according to conditions such as thickness, pitch, and length that suit the device in use. A cleaning brush 1 formed by flocking hair and winding it into a roll is placed on a photosensitive drum 1.
The cleaning effect was obtained by contacting and rotating the device.
〔発明が解決しようとする課題］
しかし、従来のクリーニングブラシ１では、感光ドラム
１２の表面に残留したトナーや塵埃などを除去する清掃
効果は得られても、既に感光ドラム１２０表面に融着し
たトナーや用紙成分の塵埃などを掻き取って除去する効
果は、クリーニングブラシ１を形成するフィラメントの
硬度が不足するためにあまり期待できず、そのことが残
像・黒スジ・カスレなどの印字障害を引き起す原因とも
なっていた。[Problems to be Solved by the Invention] However, with the conventional cleaning brush 1, although the cleaning effect of removing toner and dust remaining on the surface of the photosensitive drum 12 can be obtained, the cleaning brush 1 has already fused to the surface of the photosensitive drum 120. The effect of scraping and removing dust from toner and paper components cannot be expected to be very effective because the filament forming the cleaning brush 1 lacks hardness, which causes printing problems such as afterimages, black lines, and fading. It was also the cause of this.
この発明は、前記従来のような問題点に鑑み、感光ドラ
ムの面上に融着したトナーや用紙成分の塵埃などを、効
果的に除去できる電子写真記録装置用のクリーニングブ
ラシを提供することを目的とする。In view of the above-mentioned conventional problems, it is an object of the present invention to provide a cleaning brush for an electrophotographic recording device that can effectively remove toner fused onto the surface of a photosensitive drum and dust from paper components. purpose.
〔課題を解決するための手段］
この発明は、前記のような課題を解決するための手段と
して、電子写真記録装置のクリーニング装２１１に使用
するクリーニングブラシ１を形成するフィラメント２が
、研磨材２ａを備えてなることを特徴とする電子写真記
録装置用クリーニングブラシとしたものである。[Means for Solving the Problems] As a means for solving the above-mentioned problems, the present invention provides that the filament 2 forming the cleaning brush 1 used in the cleaning device 211 of the electrophotographic recording apparatus is made of an abrasive material 2a. A cleaning brush for an electrophotographic recording device, comprising:
前記のように、クリーニングブラシ１を形成するフィラ
メント２が、研磨材２ａを備えていることにより、電子
写真記録装置の使用に際し、感光ドラム１２の表面に残
留したトナーや塵埃などは勿論、感光ドラム１２の面上
に融着したトナーや用紙成分の塵埃なども十分に掻き取
り除去することができ、それによって残像・印字かすれ
・にじみ・地かふりなどの障害の発生を防止することが
できる。As described above, since the filament 2 forming the cleaning brush 1 is provided with the abrasive material 2a, when using the electrophotographic recording device, not only toner and dust remaining on the surface of the photosensitive drum 12 but also dust and dirt can be removed from the photosensitive drum. It is possible to sufficiently scrape off the toner and paper component dust that have fused onto the surface of the paper 12, thereby preventing the occurrence of problems such as afterimages, blurred prints, blurring, and background smudges.
以下、この発明の実施例を図面に従って詳細に説明する
。Embodiments of the present invention will be described in detail below with reference to the drawings.
第１図はこの発明のクリーニングブラシの斜視図、第２
図はこのクリーニングブラシを形成するフィラメントの
実施例を部分的に拡大した斜視図である。Figure 1 is a perspective view of the cleaning brush of the present invention, Figure 2 is a perspective view of the cleaning brush of the present invention;
The figure is a partially enlarged perspective view of an embodiment of the filament forming this cleaning brush.
第１図に示すように、この発明のクリーニングブラシ１
は、たとえばステンレス鋼より成る回転軸５の周囲を同
心状に芯材３として直径はぼ１６■の紙筒を設け、さら
にその上に、第３図に示すナイロン繊維布４ａにフィラ
メント２を植毛密度１３．５００本／吋２に植毛して成
るブラシシート４を螺旋状に巻つけて、フィラメント２
を含む外径が２４ａｎのクリーニングブラシ１を形成し
たものである。As shown in FIG. 1, a cleaning brush 1 of the present invention
For example, a paper tube with a diameter of about 16 cm is provided as a core material 3 concentrically around a rotating shaft 5 made of stainless steel, and on top of that, a filament 2 is flocked to a nylon fiber cloth 4a shown in FIG. A brush sheet 4 made of flocked hairs with a density of 13,500 strands/inch is wound spirally to form filaments 2.
The cleaning brush 1 has an outer diameter of 24 ann including the outer diameter.
また、フィラメント２は第２図の（ＡＬ （Ｂ）に示す
ように２種類があり、一つは（Ａ）に示すように研磨材
２ａとして平均粒径５μｍのシリコンカーバイトを重量
比で１％混入して直径約１００μｍのナイロン合成繊維
のフィラメント２を形成したものである。There are two types of filaments 2, as shown in (AL (B)) in Figure 2. One is silicon carbide with an average particle size of 5 μm as the abrasive material 2a, as shown in (A), at a weight ratio of 1. % to form a filament 2 of nylon synthetic fiber with a diameter of about 100 μm.
さらに他の一つは（Ｂ）に示すように直径約１１００ａ
のナイロン合成繊維の表面に、前記と同様の研磨材２ａ
を接着剤に混入したものを吹きつけ塗布して、フィラメ
ント２を形成したものである。The other one has a diameter of about 1100a as shown in (B).
The same abrasive material 2a as above is applied to the surface of the nylon synthetic fiber.
The filament 2 is formed by spraying and spraying a mixture of adhesive and adhesive.
このようなフィラメント２を、第４図に示すように、ナ
イロン繊維布４ａに前記のような密度で織り込んでブラ
シシート４を形成する。As shown in FIG. 4, such filaments 2 are woven into a nylon fiber cloth 4a at the density described above to form a brush sheet 4.
前記のように構成れたクリーニングブラシ１を、感光ド
ラム１２への食い込み量を１１ｍとなるように、感光ド
ラム１２に対向させクリーニング装置１１に配設する。The cleaning brush 1 configured as described above is disposed in the cleaning device 11 so as to face the photosensitive drum 12 so that the amount of penetration into the photosensitive drum 12 is 11 m.
なお、このクリーニングブラシ１の配設に際し、クリー
ニングブラシ１の感光ドラム側と反対側に、クリーニン
グブラシ１に付着したトナーを掻き取る目的で、図示し
ないがクリーニングブラシ１に対向当接させてブレード
を配設する。When installing the cleaning brush 1, a blade is placed on the side opposite to the photosensitive drum side of the cleaning brush 1, although not shown, in opposition to the cleaning brush 1 in order to scrape off toner adhering to the cleaning brush 1. Arrange.
前記のようなりリーニングブラシ１としたので、第５図
に示すような電子写真記録装置において、感光ドラム１
２の面上に文字・図形に従って付着したトナー８ａが、
記録像８ｂとして祇９に転写された後に、感光ドラム１
２の面上に残留したトナーなどの残留トナー１０は、こ
の発明のクリーニングブラシ１が接触回転して前記残留
トナー１０を完全に払拭することにより、十分な清掃効
果が得られ、いわゆる残像・地かぶり・にじみ・印字か
すれなどの障害の発生を防止することができる。Since the leaning brush 1 is used as described above, in an electrophotographic recording apparatus as shown in FIG.
The toner 8a that adheres to the surface of 2 according to the characters/figures is
After being transferred to the photosensitive drum 1 as the recorded image 8b,
The cleaning brush 1 of the present invention contacts and rotates to completely wipe off the residual toner 10 such as toner remaining on the surface of the image forming apparatus 2, thereby obtaining a sufficient cleaning effect and eliminating so-called afterimages and backgrounds. It is possible to prevent problems such as fogging, blurring, and blurred printing.
なお、この発明のクリーニングブラシ１を使用した電子
写真記録装置によって、Ａ４版の紙に記録を行い、クリ
ーニングブラシの清掃能力を実験した結果を従来のそれ
と比較して下表に示す。Incidentally, an electrophotographic recording apparatus using the cleaning brush 1 of the present invention was used to record on A4 size paper, and the results of an experiment on the cleaning ability of the cleaning brush were compared with that of a conventional cleaning brush, and the results are shown in the table below.
表：印字枚数とフィルミングの横忙目力兄１酊立ＬＯＩ
Ｃ廟り
○：感光ドラム上にトナーフィルミング（初耳ワ力（り
ｂられない。Table: Number of prints and filming side-by-side LOI
C: ○: Toner filming on the photosensitive drum.
Δ：感光ドラム上にトナーフィルミングは発生している
力＝ｍｘ×：印字に「かすれ」 「にじみ」などのＸカ
溌も前記表に示すように、従来のクリーニングブラシ（
フィラメント２を単にナイロンなどの合成樹脂のみで研
磨材を使用していないブラシ）を使用した場合において
は、１５．０００枚で感光ドラムの表面にトナーフィル
ミング（トナーが被膜状に融着したもの）の発生が認め
られ、２０．０００枚以上では印字障害が発生している
。Δ: The force that causes toner filming on the photosensitive drum = mx
If filament 2 is a brush made of synthetic resin such as nylon and no abrasive material, toner filming (toner fused in a film form) will occur on the surface of the photosensitive drum after 15,000 sheets. ) was observed, and printing failure occurred when 20,000 sheets or more were printed.
これに対し、この発明の第２図の（Ａ）図に示す実施例
においては５５．０００枚でトナーフィルミングが発生
しているが、７０，０００枚に到っても印字は正常を保
持しており、また、第２図の（Ｂ）図に示す実施例にお
いても、４０．０００枚でトナーフィルミングが発生し
ているが、７０，０００枚に到っても印字は正常を保持
しており、トナーフィルミングの発生の防止には従来の
クリーニングブラシに比べて著しい効果があることが判
明した。On the other hand, in the embodiment shown in FIG. 2 (A) of this invention, toner filming occurs after 55,000 sheets, but the printing remains normal even after 70,000 sheets. Also, in the example shown in Figure 2 (B), toner filming occurred after 40,000 sheets, but the printing remained normal even after 70,000 sheets. It has been found that this cleaning brush is significantly more effective than conventional cleaning brushes in preventing the occurrence of toner filming.
［発明の効果〕
この発明は前記のように、電子写真記録装置のクリーニ
ング装置に使用するクリーニングブラシを形成するフィ
ラメントが、研磨材を備えてなることを特徴とする電子
写真記録装置用クリーニングブラシとしたので、従来の
クリーニングブラシでは十分に除去することができなか
った、感光ドラムの表面に融着されたトナーや用紙成分
の塵埃などを十分に除去することができ、それによって
残像・印字かすれ・にじみ・地かふりなどの障害の発生
を防止することができる。[Effects of the Invention] As described above, the present invention provides a cleaning brush for an electrophotographic recording device, characterized in that the filament forming the cleaning brush used in the cleaning device of the electrophotographic recording device is provided with an abrasive material. As a result, it is possible to sufficiently remove toner fused to the surface of the photosensitive drum and dust from paper components, which could not be sufficiently removed with conventional cleaning brushes, thereby eliminating afterimages, blurred prints, and It is possible to prevent problems such as smearing and background smearing.
第１図はこの発明のクリーニングブラシの実施例の斜視
図、第２図の（Ａ）、（Ｂ）はこの発明のクリーニング
ブラシを形成するフィラメントの実施例の斜視図、第３
図はフィラメントが植毛されたブラシシートの概要図、
第４図はフィラメントがブラシシートに植毛されている
状況を示す概略図、第５図は従来一般の電子写真記録装
置の構成の概要図である。
１・・・クリーニングブラシ
２・・・フィラメント
２ａ・・・研磨材
３・・・芯材
４・・・ブラシシート
４ａ・・・ナイロン繊維布
５・・・回転軸
８ａ・・・トナー
８ｂ・・・記録像
９・・・祇
１０・・・残留トナー
１１・・・クリーニング装置
１２・・・感光ドラム
１３・・・前帯電器
１４・・・光学ユニット
１５・・・レーザ光
１６・・・現像器
１７・・・転写帯電器
１８・・・分離帯電器
５田中云中宙 第１図
第２図FIG. 1 is a perspective view of an embodiment of the cleaning brush of this invention, FIGS. 2A and 2B are perspective views of an embodiment of a filament forming the cleaning brush of this invention, and FIG.
The figure is a schematic diagram of a brush sheet with filament flocked.
FIG. 4 is a schematic diagram showing a state in which filaments are flocked to a brush sheet, and FIG. 5 is a schematic diagram of the configuration of a conventional general electrophotographic recording apparatus. 1... Cleaning brush 2... Filament 2a... Abrasive material 3... Core material 4... Brush sheet 4a... Nylon fiber cloth 5... Rotating shaft 8a... Toner 8b... -Recorded image 9...Gi 10...Residual toner 11...Cleaning device 12...Photosensitive drum 13...Pre-charger 14...Optical unit 15...Laser beam 16...Development Container 17... Transfer charger 18... Separation charger 5 Yunchuu Tanaka Figure 1 Figure 2
Claims (1)
するクリーニングブラシ（１）を形成するフィラメント
（２）が、研磨材（２ａ）を備えてなることを特徴とす
る電子写真記録装置用クリーニングブラシ。A cleaning brush for an electrophotographic recording device, characterized in that a filament (2) forming a cleaning brush (1) used in a cleaning device (11) for an electrophotographic recording device includes an abrasive (2a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32146790A JPH04190385A (en) | 1990-11-26 | 1990-11-26 | Cleaning brush for electrophotographic recording device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32146790A JPH04190385A (en) | 1990-11-26 | 1990-11-26 | Cleaning brush for electrophotographic recording device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04190385A true JPH04190385A (en) | 1992-07-08 |
Family
ID=18132893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32146790A Pending JPH04190385A (en) | 1990-11-26 | 1990-11-26 | Cleaning brush for electrophotographic recording device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04190385A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0651298A2 (en) * | 1993-10-30 | 1995-05-03 | Canon Kabushiki Kaisha | Image forming apparatus and oil cleaning member |
| US6156624A (en) * | 1996-04-08 | 2000-12-05 | Canon Kabushiki Kaisha | Method for production of SOI substrate by pasting and SOI substrate |
| JP2016045320A (en) * | 2014-08-21 | 2016-04-04 | コニカミノルタ株式会社 | Image forming apparatus |
-
1990
- 1990-11-26 JP JP32146790A patent/JPH04190385A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0651298A2 (en) * | 1993-10-30 | 1995-05-03 | Canon Kabushiki Kaisha | Image forming apparatus and oil cleaning member |
| EP0651298A3 (en) * | 1993-10-30 | 1998-06-24 | Canon Kabushiki Kaisha | Image forming apparatus and oil cleaning member |
| US6156624A (en) * | 1996-04-08 | 2000-12-05 | Canon Kabushiki Kaisha | Method for production of SOI substrate by pasting and SOI substrate |
| JP2016045320A (en) * | 2014-08-21 | 2016-04-04 | コニカミノルタ株式会社 | Image forming apparatus |
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