JPH0230975B2 - - Google Patents
Info
- Publication number
- JPH0230975B2 JPH0230975B2 JP56185516A JP18551681A JPH0230975B2 JP H0230975 B2 JPH0230975 B2 JP H0230975B2 JP 56185516 A JP56185516 A JP 56185516A JP 18551681 A JP18551681 A JP 18551681A JP H0230975 B2 JPH0230975 B2 JP H0230975B2
- Authority
- JP
- Japan
- Prior art keywords
- paper
- paper feed
- sheet
- cleaning member
- paper feeding
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H3/00—Separating articles from piles
- B65H3/02—Separating articles from piles using friction forces between articles and separator
- B65H3/06—Rollers or like rotary separators
- B65H3/0653—Rollers or like rotary separators for separating substantially vertically stacked articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/50—Auxiliary process performed during handling process
- B65H2301/53—Auxiliary process performed during handling process for acting on performance of handling machine
- B65H2301/531—Cleaning parts of handling machine
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Description
【発明の詳細な説明】
本発明は給紙装置における給紙ローラーおよび
給紙ベルトの如き回転給紙部材のクリーニング装
置に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a cleaning device for rotating paper feeding members such as a paper feeding roller and a paper feeding belt in a paper feeding device.
電子写真複写装置あるいはオフセツト印刷装置
さらにこれに類する装置においては転写シートあ
るいは印刷用紙の如きシートを目的位置へ供給す
るためのシート給紙装置を具備している。 Electrophotographic copying machines, offset printing machines, and similar machines are equipped with a sheet feeder for feeding sheets, such as transfer sheets or printing paper, to a destination location.
この給紙装置としては、例えば給紙箱に多枚数
のシートを積載し、最上位のシートの上面に給紙
ローラーを対接させ、且つこの給紙ローラーを回
転させることにより、その最上位のシートを給送
するようにした給紙方式のものが既に一般的に用
いられていることは周知の通りである。 This paper feeding device, for example, stacks a large number of sheets in a paper feeding box, places a paper feeding roller in opposition to the top surface of the topmost sheet, and rotates this paper feeding roller to feed the topmost sheet. It is well known that a paper feeding system that feeds paper is already in general use.
上述の給紙方式において、送り出されたシート
は、給紙ローラーとこれに対接するシートとの間
の摩擦作用によつて送り出されることになるが、
このような摩擦作用によつて送り出す方式にとつ
ては給紙ローラーの周表面の平滑度や摩擦係数あ
るいは塵埃の付着状態等の条件がシートを確実に
送り出す上で大きく影響する。 In the above paper feeding method, the fed sheet is fed out by the friction between the paper feeding roller and the sheet that is in contact with it.
In such a method of feeding sheets using frictional action, conditions such as the smoothness and friction coefficient of the peripheral surface of the paper feed roller, and the state of adhesion of dust greatly influence the reliable feeding of the sheet.
特にこの種の給紙方法で問題となる給紙作用
は、給紙ローラーあるいは給紙ベルトの周面上に
塵埃や飛散された現像トナーあるいは転写シート
表面に付着している微細な紙粉や給紙ローラーあ
るいは給紙ベルトによつて転写シート表面を摩擦
するために生ずる紙粉等が付着し、このために転
写シートとの間ですべつてしまい送り不良が生じ
るなどして円滑な給紙作用ができなくなるおそれ
がある。 Particularly problematic in this type of paper feeding method is the paper feeding operation, which is caused by dust and scattered developing toner on the circumferential surface of the paper feeding roller or paper feeding belt, fine paper powder adhering to the surface of the transfer sheet, and the like. Paper particles generated when the paper roller or paper feed belt rubs against the surface of the transfer sheet adhere to the surface of the transfer sheet, causing it to slip between the sheet and the transfer sheet, causing poor feeding and preventing smooth paper feeding. There is a possibility that it will not be possible.
上述の平滑度や摩擦係数等の点は設計上あるい
は工作上から適宜に考慮されている。 The above-mentioned points such as smoothness and coefficient of friction are taken into consideration as appropriate from the standpoint of design or manufacturing.
塵埃や紙粉等の付着については、従来、給紙ロ
ーラーの周面に接するクリーニングベルトまたは
表面がブラシ状のベルトを設けたクリーニング装
置等があつたが、装置が大がかりで複雑になつた
り給紙ローラーに接しているため、給紙ローラー
の摩耗が早くなり給紙ローラーの寿命が短くなる
等の欠点があつた。 Conventionally, cleaning devices equipped with a cleaning belt that touches the circumferential surface of the paper feed roller or a belt with a brush-like surface have been used to prevent the adhesion of dust and paper powder, but these devices are large and complicated, and the paper feed roller Because it is in contact with the roller, the paper feed roller wears out quickly, shortening its lifespan.
本発明は上記の事情に鑑みなされたものであつ
て、その目的とするところは回転給紙部材の表面
を常に清浄な状態に維持させ得て給紙作用を円滑
ならしめる回転給紙部材のクリーニング装置を提
供することにある。 The present invention has been made in view of the above-mentioned circumstances, and its purpose is to clean the rotary paper feed member so that the surface of the rotary paper feed member can always be maintained in a clean state and the paper feed operation can be made smooth. The goal is to provide equipment.
以下、本発明を図面を参照して説明する。第１
図に静電複写機を示す。第１図中１は感光体ドラ
ム、２は帯電装置、３は原稿台、４は現像装置、
５は給紙台、６は給紙装置２０としての給紙ロー
ラー、７は給紙装置、８は定着用ローラー、９は
排出通路、１０は排紙トレイである。給紙ローラ
ー６は軸１２に設けた支持腕１１に支持されてい
て、給紙ローラー６は給紙台５上に載置された複
数枚の用紙であるシート１８の最上位のものの先
側上面に所定の圧力で載つており、図示しない駆
動機構により適時に矢印方向に回転し、シート１
８を１枚毎に矢印方向に送り出す。 Hereinafter, the present invention will be explained with reference to the drawings. 1st
The figure shows an electrostatic copying machine. In Fig. 1, 1 is a photosensitive drum, 2 is a charging device, 3 is a document table, 4 is a developing device,
Reference numeral 5 designates a paper feed table, 6 a paper feed roller as a paper feed device 20, 7 a paper feed device, 8 a fixing roller, 9 a discharge path, and 10 a paper discharge tray. The paper feed roller 6 is supported by a support arm 11 provided on a shaft 12, and the paper feed roller 6 is mounted on the top surface of the uppermost sheet 18, which is a plurality of sheets of paper placed on the paper feed table 5. The sheet 1 is placed on the sheet with a predetermined pressure, and rotates in the direction of the arrow at the appropriate time by a drive mechanism (not shown).
8 one by one in the direction of the arrow.
給紙ローラー６の上方にはクリーニング部材１
３が給紙ローラー６とは非接触で設けてある。 A cleaning member 1 is provided above the paper feed roller 6.
3 is provided without contacting the paper feed roller 6.
クリーニング部材１３は粘着層を有する粘着部
材から成るものであり、このクリーニング部材１
３はいクリーニング取付部材取付カバー１４に貼
りつけてある。クリーニング部材１３と給紙ロー
ラー６間隙は0.2mm〜５mm、好ましくは0.2〜１mm
の範囲が良好なクリーニング効果を得ることがで
きる。 The cleaning member 13 is made of an adhesive member having an adhesive layer.
3 Yes, the cleaning attachment member is attached to the attachment cover 14. The gap between the cleaning member 13 and the paper feed roller 6 is 0.2 mm to 5 mm, preferably 0.2 to 1 mm.
A good cleaning effect can be obtained within this range.
しかして給紙ローラー６が回転し、給紙台５上
のシート１８が送り出されると、シート１８上の
塵埃や紙粉等は給紙ローラー６の周面につきはじ
める。そして、このときの塵埃や紙粉等は給紙ロ
ーラー６とシート１８との接触摩擦にて帯電され
るから、これが、給紙ローラー６の回転に従つて
クリーニング部材１３に接近することにより、こ
のクリーニング部材１３に静電的に吸引されて粘
着力にて吸着される。またこのとき、給紙ローラ
ー６に付着した塵埃や紙粉等が給紙ローラー６の
半径方向に穂立ちした場合のように給紙ローラー
６より立ち上がり、その先端がクリーニング部材
１３に接触した場合には、クリーニング部材１３
の粘着力にてそのまま接着される。 When the paper feed roller 6 rotates and the sheet 18 on the paper feed table 5 is sent out, dust, paper powder, etc. on the sheet 18 begin to adhere to the circumferential surface of the paper feed roller 6. At this time, the dust, paper powder, etc. are charged by the contact friction between the paper feed roller 6 and the sheet 18, so that they approach the cleaning member 13 as the paper feed roller 6 rotates. It is electrostatically attracted to the cleaning member 13 and adsorbed by adhesive force. Also, at this time, if dust, paper powder, etc. adhering to the paper feed roller 6 rises up from the paper feed roller 6 as in the case where it stands up in the radial direction of the paper feed roller 6 and its tip comes into contact with the cleaning member 13. is the cleaning member 13
It is adhered as it is with the adhesive force of .
このようにしてクリーニング部材１３に吸着及
び接着された塵埃や紙粉等はクリーニング部材１
３の粘着力により強固に保持され、これが再び飛
散することがない。 The dust, paper powder, etc. adsorbed and adhered to the cleaning member 13 in this way are removed from the cleaning member 13.
It is firmly held by the adhesive strength of No. 3 and will not scatter again.
上記作用により給紙ロー６ー６の周面はきれに
清掃され給紙ローラー６の表面の摩擦を所定の値
に維持でき、紙送り問題がなく確実にできる。 Due to the above-mentioned action, the peripheral surface of the paper feed roller 6-6 is thoroughly cleaned, and the friction on the surface of the paper feed roller 6 can be maintained at a predetermined value, thereby ensuring that there is no paper feeding problem.
第３図に示すものは回転給紙部材２０の他の実
施態様のものにクリーニング部材１３設けた給紙
装置である。 What is shown in FIG. 3 is a paper feeding device in which a cleaning member 13 is provided in addition to another embodiment of the rotary paper feeding member 20. As shown in FIG.
この回転給紙部材３０は給紙ベルト１５により
成り、給紙ベルト１５は紙案内ブロツク１７に支
持された分離ゴム１６に接している。クリーニン
グ部材１３にはクリーニング部材取付カバー１４
に設けられていて給紙ベルト１５の上方にこれと
平行にして設置されている。 This rotary paper feeding member 30 consists of a paper feeding belt 15, which is in contact with a separating rubber 16 supported by a paper guide block 17. A cleaning member mounting cover 14 is attached to the cleaning member 13.
It is installed above and parallel to the paper feed belt 15.
この場合、給紙ローラー６により給紙台５上の
シート１８は給紙ベルト１５と分離ゴム１６との
間に紙案内ブロツク１７を介して誘導されさらに
給紙ベルト１５により感光体ドラム１側に送られ
る。 In this case, the sheet 18 on the sheet feed table 5 is guided by the sheet feed roller 6 through the sheet guide block 17 between the sheet feed belt 15 and the separating rubber 16, and is then guided by the sheet feed belt 15 to the photosensitive drum 1 side. Sent.
シート１８上の塵埃や紙粉等は給紙ベルト１５
に付着する。この付着物は、クリーニング部材１
３に静電気的に、及び接着することにより付着し
且つ固着させ給紙ベルト１５の表面を清掃する。
これにより給紙ベルト１５の表面摩擦係数を所定
の値に維持することができ、紙送りが円滑とな
る。 Dust, paper powder, etc. on the sheet 18 are removed by the paper feed belt 15.
Attach to. This deposit is removed from the cleaning member 1.
3 electrostatically and by adhesion, and the surface of the paper feed belt 15 is cleaned.
Thereby, the surface friction coefficient of the paper feed belt 15 can be maintained at a predetermined value, and paper feeding becomes smooth.
クリーニング部材１３は第４図に示すように巻
取式のものであつてもよい。このクリーニング部
材１３は塵埃や紙粉等が付着した面を巻取つて常
に新しいクリーニング部材面を露出し、塵埃等の
付着効果を高めたものである。 The cleaning member 13 may be of a roll-up type as shown in FIG. This cleaning member 13 winds up the surface to which dust, paper powder, etc. have adhered, so that a new cleaning member surface is always exposed, thereby enhancing the adhesion effect of dust, etc.
なお、本発明に使用するクリーニング部材１３
の粘着剤としては、水性型の天然ゴムラテツク
ス、合成ゴムラテツクス、アクリル樹脂、エマル
ジヨン等、溶剤型の天然ゴム、合成ゴム、ポリイ
ソブチレン、ポリビニルアルキルエーテル、アク
リルエステル共重合物等一般に使用されている各
種の粘着剤が使用できる。 Note that the cleaning member 13 used in the present invention
Various commonly used adhesives such as water-based natural rubber latex, synthetic rubber latex, acrylic resin, emulsion, etc., solvent-based natural rubber, synthetic rubber, polyisobutylene, polyvinyl alkyl ether, acrylic ester copolymer, etc. Adhesive can be used.
本発明は以上詳述したようになるから、給紙ロ
ーラー６や給紙ベルト１５の如き回転給紙部材２
０の表面を常に清浄な状態を維持し得て円滑な給
紙作用を保つことができる。また本発明によれ
ば、クリーニング部材１３が粘着部材よりなるこ
とにより、このクリーニング部材１３は付着され
た塵埃や紙粉等は強固に保持され、再び飛散する
ことがない。 Since the present invention has been described in detail above, the rotary paper feed member 2 such as the paper feed roller 6 and the paper feed belt 15
The surface of the sheet can be kept clean at all times, and a smooth paper feeding operation can be maintained. Further, according to the present invention, since the cleaning member 13 is made of an adhesive member, dust, paper powder, etc. attached to the cleaning member 13 are firmly held and will not be scattered again.
第１図は静電複写機の構成説明図、第２図は本
発明に係るクリーニング装置を備えた給紙装置の
斜視図、第３図、第４図は本発明に係るクリーニ
ング装置の他の実施例を備えた給紙装置の構成説
明図である。
１３はクリーニング部材、２０は回転給紙部
材。
FIG. 1 is an explanatory diagram of the configuration of an electrostatic copying machine, FIG. 2 is a perspective view of a paper feeder equipped with a cleaning device according to the present invention, and FIGS. 3 and 4 are other diagrams of a cleaning device according to the present invention. FIG. 2 is an explanatory diagram of a configuration of a paper feeding device provided with an embodiment. 13 is a cleaning member, and 20 is a rotating paper feeding member.
Claims (1)
して設けられて粘着層を有する粘着部材よりなる
クリーニング部材１３を備えたことを特徴とする
回転給紙部材のクリーニング装置。1. A cleaning device for a rotating paper feeding member, comprising a cleaning member 13 made of an adhesive member having an adhesive layer and provided in close and non-contact with the surface of the rotating paper feeding member 20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18551681A JPS5889532A (en) | 1981-11-20 | 1981-11-20 | Cleaning device of rotary paper supply member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18551681A JPS5889532A (en) | 1981-11-20 | 1981-11-20 | Cleaning device of rotary paper supply member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5889532A JPS5889532A (en) | 1983-05-27 |
| JPH0230975B2 true JPH0230975B2 (en) | 1990-07-10 |
Family
ID=16172148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18551681A Granted JPS5889532A (en) | 1981-11-20 | 1981-11-20 | Cleaning device of rotary paper supply member |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5889532A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000247473A (en) * | 1999-02-24 | 2000-09-12 | Fuji Photo Film Co Ltd | Recording device and foreign matter removing method for recording device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56122053A (en) * | 1980-02-29 | 1981-09-25 | Toshiba Corp | Paper dust remover |
-
1981
- 1981-11-20 JP JP18551681A patent/JPS5889532A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5889532A (en) | 1983-05-27 |
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