JPH01181645A - Rubber roller for feeding paper sheet - Google Patents
Rubber roller for feeding paper sheetInfo
- Publication number
- JPH01181645A JPH01181645A JP498688A JP498688A JPH01181645A JP H01181645 A JPH01181645 A JP H01181645A JP 498688 A JP498688 A JP 498688A JP 498688 A JP498688 A JP 498688A JP H01181645 A JPH01181645 A JP H01181645A
- Authority
- JP
- Japan
- Prior art keywords
- rubber
- roller
- tube
- cylindrical body
- rubber tube
- 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.)
- Granted
Links
- 229920001971 elastomer Polymers 0.000 title claims abstract description 66
- 239000010410 layer Substances 0.000 abstract description 7
- 230000008602 contraction Effects 0.000 abstract description 4
- 239000002344 surface layer Substances 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 description 11
- 238000004073 vulcanization Methods 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical compound C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 238000010058 rubber compounding Methods 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 description 1
- 235000014692 zinc oxide Nutrition 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
技１分豆
本発明は、電子写真複写機、ファクシミリ、プリンター
に用いられる給送用ゴムローラ、更には鉄道等の券発行
装置における用紙移送用ゴムローラ、自動販売機におけ
る紙幣搬送用ゴムローラに適用可能な紙葉類給送用ゴム
ローラに関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to rubber rollers for feeding used in electrophotographic copying machines, facsimile machines, and printers, rubber rollers for transporting paper in ticket issuing devices such as railways, and banknotes in automatic vending machines. The present invention relates to a rubber roller for feeding paper sheets that can be applied to a rubber roller for conveyance.
丈末挟！
従来、電子写真複写機の給紙ローラ等はそのゴムの摩擦
力によって用紙を送り出している。ところが、経時使用
により、その表面に紙粉、異物が付着したり、酸化劣化
や光劣化により摩擦係数が低下してしまう。この結果、
用紙が不遇りになったり、多数枚送りが発生したりする
という問題が生じた。Short end! Conventionally, paper feed rollers and the like of electrophotographic copying machines feed paper using the frictional force of their rubber. However, with use over time, paper dust and foreign matter adhere to the surface, and the coefficient of friction decreases due to oxidative deterioration and photodeterioration. As a result,
Problems arose in that paper was misplaced and multiple sheets were fed.
このような問題を解消するには、給紙ローラ等をある期
間毎等に交換する必要があるが、そのローラ表面のみの
劣化で全体を交換するのは不合理であり、費用も嵩むと
いう問題が生じた。In order to solve such problems, it is necessary to replace the paper feed roller etc. at certain intervals, but it is unreasonable to replace the entire roller due to deterioration of only the surface of the roller, and it is expensive. occurred.
豆−旌
本発明は、上記した従来の事情に鑑み、表面のみの劣化
で交換する場合、その表層でけを交換できる紙葉類給送
用ゴムローラを提供することを目的とする。SUMMARY OF THE INVENTION In view of the above-mentioned conventional circumstances, it is an object of the present invention to provide a rubber roller for feeding paper sheets, in which only the surface layer can be replaced due to deterioration.
１−處
上記目的を、本発明では軸に直接または剛性芯体を介し
て間接的に取付られた内部ゴム状弾性筒状体と、該内部
ゴム状弾性筒状体とは別々に成型加工され、内部ゴム状
弾性筒状体を被覆する外部ゴム状弾性筒状体とを有する
ことにより達成した。1-To achieve the above object, the present invention provides an internal rubber-like elastic cylindrical body attached directly to the shaft or indirectly through a rigid core, and the internal rubber-like elastic cylindrical body separately molded. This was achieved by having an outer rubber-like elastic tube covering an inner rubber-like elastic tube.
以下、本発明の実施例を添付図面に従って説明する。Embodiments of the present invention will be described below with reference to the accompanying drawings.
第１図は、本発明に係る紙葉類給送用ゴムローラが適用
される摩擦分離給紙装置を示すものであって、符号１は
給紙カセットである。給紙カセット１内に積層された転
写紙２は、送給ローラ３の回転により矢印Ａ方向に送り
出され、一対のフィードローラ４及び分離ローラ５に挟
持される０分離ローラ５には、トルクリミッタが内装さ
れ、−定のトルクが掛った状態になると、クラッチが外
れ、フィードローラ４とつれ回りする。従って、送給ロ
ーラ３により一枚の転写紙が送られてくる場合、分離ロ
ーラ５はフィードローラ４とつれ回りし、そのまま給紙
するが、転写紙が２枚またはそれ以上重送された場合に
はこれを分離して、フィードローラ４に接する一枚のみ
を給紙する。FIG. 1 shows a friction separation paper feeding device to which a rubber roller for feeding paper sheets according to the present invention is applied, and reference numeral 1 designates a paper feeding cassette. The transfer paper 2 stacked in the paper feed cassette 1 is sent out in the direction of arrow A by the rotation of the feed roller 3. When the feed roller 4 is installed and a certain torque is applied, the clutch is disengaged and rotates with the feed roller 4. Therefore, when one sheet of transfer paper is sent by the feed roller 3, the separation roller 5 rotates with the feed roller 4 and feeds the paper as it is, but if two or more transfer sheets are fed simultaneously In this case, the sheets are separated and only one sheet in contact with the feed roller 4 is fed.
かく構成の給紙装置は、公知であるが、上記した送給ロ
ーラ３、フィードローラ４及び分離ローラ５は所定の摩
擦係数を有することが必要とされている。従って、これ
らローラは本発明に係る紙葉類給送用ゴムローラが適用
される。そこで、本発明を上記分離ローラ５により詳細
に説明する。Although the paper feeding device having such a configuration is known, the above-mentioned feeding roller 3, feed roller 4, and separation roller 5 are required to have a predetermined coefficient of friction. Therefore, the paper sheet feeding rubber roller according to the present invention is applied to these rollers. Therefore, the present invention will be explained in detail with reference to the separation roller 5.
第２図において、分離ローラ５はローラ軸６にトルクリ
ミッタが内装した剛性芯体７が固定され、その剛性芯体
７を被覆するようにして内部ゴム状弾性筒状体（以下、
内部筒体８という、）が取付けられている。内部筒体８
は、ゴム硬度が例えばＪＩＳＡ型ゴム硬度２７＠である
。In FIG. 2, the separation roller 5 has a rigid core body 7 having a torque limiter installed therein fixed to a roller shaft 6, and an internal rubber-like elastic cylindrical body (hereinafter referred to as
An internal cylinder 8 ) is attached. Internal cylinder body 8
The rubber hardness is, for example, JISA type rubber hardness 27@.
この内部筒体８には、本発明によりチューブ状に形成さ
れた外部ゴム状弾性筒状体（以下、ゴムチューブ９とい
う、）被覆されている。このゴムチューブ９のゴム硬度
が例えばＪＩＳＡ型ゴム硬度５８１であり、そのゴム配
合の一例を示せば下記の如くである。This inner cylindrical body 8 is coated with an outer rubber-like elastic cylindrical body (hereinafter referred to as a rubber tube 9) formed into a tube shape according to the present invention. The rubber hardness of this rubber tube 9 is, for example, JISA type rubber hardness 581, and an example of the rubber compounding is as follows.
ＥＰＤＭ １００ （重量部）ＦＥ
Ｆカーボンブラック １００
ナフテン系オイル ７８
クマロンレンジ ３
亜鉛華 ５
ステアリン酸 １ （重量部）老化防止
剤 １
加硫促進剤Ｃ：ＢＳ １．５加硫促進剤Ｔ
ＭＴＤ ０．５イオウ
１
ゴムチューブ９は、配合生地をベント式ゴム押出機によ
りチューブ状に押出し成型後、蒸気圧４１Ｃｇ／ｄで６
０分間直接蒸気加硫法で加硫作製した。EPDM 100 (parts by weight) FE
F carbon black 100 naphthenic oil 78 coumaron range 3 zinc white 5 stearic acid 1 (parts by weight) anti-aging agent 1 vulcanization accelerator C: BS 1.5 vulcanization accelerator T
MTD 0.5 sulfur
1 Rubber tube 9 is made by extruding the blended dough into a tube shape using a vented rubber extruder, and then extruding it at a vapor pressure of 41 Cg/d.
Vulcanization was performed using a direct steam vulcanization method for 0 minutes.
かくして作製したゴムチューブ９は、第３図に示すよう
にその内径を内部筒体８の外径より小さく形成し、また
面長、即ち軸線方向の長さはゴムチューブ９を内部筒体
８よりも長く形成する。The rubber tube 9 thus produced has an inner diameter smaller than the outer diameter of the inner cylinder 8, as shown in FIG. It also forms for a long time.
このように形成すれば、内部筒体８にゴムチューブ９を
伸張下で嵌合させることにより、ゴムチューブ９の収縮
する弾性力によって内部筒体８に嵌合密着される。また
、ゴムチューブ９の面長の余長分は第２図に示すように
ゴムの収縮力により内部筒体８の側面に密着し、その面
に被覆層を形成している。If formed in this manner, by fitting the rubber tube 9 into the inner cylinder 8 under tension, the rubber tube 9 is fitted and tightly attached to the inner cylinder 8 by the elastic force of contraction of the rubber tube 9. Further, as shown in FIG. 2, the extra surface length of the rubber tube 9 is brought into close contact with the side surface of the inner cylindrical body 8 due to the contraction force of the rubber, forming a coating layer on that surface.
上記の如く、分離ローラ５を内部筒体８とゴムチューブ
９との２層構成にしたので、耐久寿命時には上層のゴム
チューブ９だけを交換すればよく内部筒体８及び剛性芯
体７は再利用可能である。As mentioned above, since the separation roller 5 has a two-layer structure consisting of the inner cylinder 8 and the rubber tube 9, it is only necessary to replace the upper layer rubber tube 9 at the end of its service life, and the inner cylinder 8 and the rigid core 7 can be reused. Available.
更に、ゴム設計自由度が拡がり、要求機能別のゴム配合
設計が可能である。即ち、上層のゴムチューブ９と下層
の内部筒体８とでは例えば下記の表１のように必要とさ
れる機能が異なり、その要求に叶ったゴム配合にするこ
とができる。Furthermore, the degree of freedom in rubber design is expanded, and it is possible to design rubber compounds according to required functions. That is, the required functions of the upper layer rubber tube 9 and the lower layer inner cylinder 8 are different, as shown in Table 1 below, and the rubber compound can be made to meet the requirements.
表１
（表中Ｏ印は考慮必要な特性、Ｘ印はさほど考慮しなく
てもよい特性を示す。）
なお、本発明者は次の要領で実験を行った。Table 1 (In the table, O marks indicate characteristics that need to be taken into consideration, and X marks indicate properties that do not need to be taken into consideration.) Note that the present inventor conducted experiments in the following manner.
第１図に示す分離ローラにおいて、ゴムチューブ９の外
径を２３ｍ、幅を３６ｍ、肉厚を０．４５園に形成し、
ゴム硬度はＪＩＳＡ型ゴム硬度５８″にし、また内部筒
体８の外径を２７．３５膿、幅を２４−に形成し、ゴム
硬度はＪＩＳＡ型ゴム硬度４０＠にした本発明品と一層
の従来品とにより、Ａ３版による１０万枚の通紙実験を
行った。In the separation roller shown in FIG. 1, the rubber tube 9 has an outer diameter of 23 m, a width of 36 m, and a wall thickness of 0.45 mm.
The rubber hardness is JISA type rubber hardness 58'', and the inner cylinder 8 has an outer diameter of 27.35 mm and a width of 24 mm, and the rubber hardness is JISA type rubber hardness 40. A paper-threading experiment of 100,000 sheets of A3 size paper was conducted using the conventional product and the conventional product.
その結果を下記の表２に示す。The results are shown in Table 2 below.
この実験結果は、ゴムチューブ９と内部筒体８とを要求
機能別のゴム配合設計ができたことにより得られた。ま
た、面長の長さはゴムチューブ９を内部筒体８より１２
■も長く形成したので、その余長分が内部筒体８の側部
に密着し、ゴムチューブ９の抜けを防止するとともに内
部筒体８を保護する。また、ゴムチューブ９は内部筒体
８との相互間の可塑剤、軟化剤等のゴム配合薬品の移行
を阻止するバリヤー層の用をなしている。This experimental result was obtained by designing the rubber composition of the rubber tube 9 and the inner cylinder 8 according to the required functions. Also, the surface length is 12 mm from the inner cylindrical body 8.
Since (2) is also formed to be long, the extra length comes into close contact with the side of the inner cylinder 8, preventing the rubber tube 9 from coming off and protecting the inner cylinder 8. Further, the rubber tube 9 serves as a barrier layer to prevent the transfer of rubber compounded chemicals such as plasticizers and softeners between the inner cylinder 8 and the inner cylinder 8.
以上、本発明の好ましい実施例について説明したが、本
発明は上記実施例に限定されず、各種改変できるもので
ある。例えば、本発明に係るゴムローラは分離ローラ、
送給ローラ、フィードローラに限らず、他の適宜なロー
ラに適用でき、この場合剛性芯体を介さず、軸に直接取
付られるゴムローラにも当然適用できる。また、ゴムチ
ューブと内部筒体との負を変え、ゴムチューブの摩耗を
視覚で見極めできるようにしてもよい。Although preferred embodiments of the present invention have been described above, the present invention is not limited to the above embodiments and can be modified in various ways. For example, the rubber roller according to the present invention is a separation roller,
The invention is not limited to the feed roller or the feed roller, but can be applied to any other appropriate roller, and in this case, it can also be applied to a rubber roller that is directly attached to a shaft without using a rigid core. Furthermore, the negative resistance of the rubber tube and the inner cylinder may be changed so that wear of the rubber tube can be visually determined.
なお、本発明の実施態様を列挙すれば、下記の如くであ
る。In addition, the embodiments of the present invention are listed below.
（１）請求項１に記載の紙葉類給送用ゴムローラにおい
て、前記外部ゴム状弾性筒状体の内径を、内部ゴム状弾
性筒状体の外径より小さく形成し、伸張下で相互に嵌合
密着して外部ゴム状弾性筒状体を内部ゴム状弾性筒状体
に被覆したことを特徴とする紙葉類給送用ゴムローラ。(1) In the rubber roller for feeding paper sheets according to claim 1, the inner diameter of the outer rubber-like elastic cylindrical body is formed smaller than the outer diameter of the inner rubber-like elastic cylindrical body, and the A rubber roller for feeding paper sheets, characterized in that an outer rubber-like elastic cylindrical body is tightly fitted to cover an inner rubber-like elastic cylindrical body.
（２）前記外部ゴム状弾性筒状体の面長を、内部ゴム状
弾性筒状体の面長より長く形成し、伸張下で相互に嵌合
密着させた場合、外部ゴム状弾性筒状体の両側の余分長
が、ゴム弾性の収縮力で内部ゴム状弾性筒状体の側面を
被覆することを特徴とする前記実施態様１に記載の紙葉
類給送用ゴムローラ。(2) When the surface length of the external rubber-like elastic cylindrical body is formed to be longer than the surface length of the internal rubber-like elastic cylindrical body, and when the external rubber-like elastic cylindrical body is fitted tightly with each other under stretching, the external rubber-like elastic cylindrical body The rubber roller for feeding paper sheets according to the first embodiment, wherein the extra length on both sides of the rubber roller covers the side surfaces of the internal rubber-like elastic cylindrical body with the contraction force of rubber elasticity.
効果
本発明に係る紙葉類給送用ゴムローラは上記の如く構成
され、耐久寿命時には上層のゴムチューブだけを交換す
ればよく、内部筒体及び剛性芯体は再利用可能となった
。また、内部筒体とゴムチューブのゴム設計自由度が拡
がり、要求機能別のゴム配合設計が可能となり、耐久性
も向上した。Effects The rubber roller for feeding paper sheets according to the present invention is constructed as described above, and when the durable life is over, only the upper rubber tube needs to be replaced, and the inner cylinder and the rigid core can be reused. In addition, the degree of freedom in designing the rubber for the internal cylinder and rubber tube has been expanded, making it possible to design rubber compounds according to required functions, and improving durability.
更に、ゴムチューブの製造には既存の連続押出し成型加
硫法を使用できる。更にまた、内部筒体とゴムチューブ
とを伸張下で密着嵌合させるので、これらの内外径のサ
イズに自由度や共通化により、コストダウンが図れる。Additionally, existing continuous extrusion vulcanization processes can be used to manufacture rubber tubes. Furthermore, since the inner cylindrical body and the rubber tube are closely fitted together under tension, costs can be reduced due to flexibility and commonality in the sizes of their inner and outer diameters.
【図面の簡単な説明】
第１図は本発明に係る紙葉類給送用ゴムローラが適用さ
れる摩擦分離給紙装置を示す正面図、第２図（ａ）、（
ｂ）は本発明による分離ローラの正面及び断面図、第３
図（ａ）、（ｂ）はゴムチューブと内部筒体の正面図で
ある。
３・・・送給ローラ３
４・・・フィードローラ
５・・・分離ローラ
６・・・ローラ軸
７・・・剛性芯体
８・・・内部筒体
９・・・ゴムチューブ[Brief Description of the Drawings] Fig. 1 is a front view showing a friction separation paper feeding device to which the rubber roller for feeding paper sheets according to the present invention is applied, Fig. 2(a), (
b) is a front and cross-sectional view of a separation roller according to the invention, third
Figures (a) and (b) are front views of the rubber tube and the internal cylinder. 3... Feed roller 3 4... Feed roller 5... Separation roller 6... Roller shaft 7... Rigid core body 8... Internal cylindrical body 9... Rubber tube
Claims (1)
筒状体とは別々に成型加工され、内部ゴム状弾性筒状体
を被覆する外部ゴム状弾性筒状体とを有することを特徴
とする紙葉類給送用ゴムローラ。[Claims] The internal rubber-like elastic cylindrical body attached directly to the shaft or indirectly through a rigid core body and the internal rubber-like elastic cylindrical body are molded separately, and the internal rubber-like elastic cylindrical body is A rubber roller for feeding paper sheets, comprising an outer rubber-like elastic cylindrical body covering the elastic cylindrical body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63004986A JP2553125B2 (en) | 1988-01-14 | 1988-01-14 | Rubber rollers for feeding paper sheets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63004986A JP2553125B2 (en) | 1988-01-14 | 1988-01-14 | Rubber rollers for feeding paper sheets |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01181645A true JPH01181645A (en) | 1989-07-19 |
| JP2553125B2 JP2553125B2 (en) | 1996-11-13 |
Family
ID=11598930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63004986A Expired - Lifetime JP2553125B2 (en) | 1988-01-14 | 1988-01-14 | Rubber rollers for feeding paper sheets |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2553125B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002123044A (en) * | 2000-10-04 | 2002-04-26 | Nexpress Solutions Llc | Double sleeve type electrostatic image forming roller and method for using the same |
| CN106429589A (en) * | 2016-12-10 | 2017-02-22 | 无锡银联齿轮传动机械有限公司 | Roller for single-tube yarn feeder |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61203038A (en) * | 1985-03-04 | 1986-09-08 | Canon Inc | Feeding roller |
| JPS6256537U (en) * | 1985-09-28 | 1987-04-08 | ||
| JPH01192640A (en) * | 1988-01-27 | 1989-08-02 | Hitachi Ltd | Roller for medium conveying device |
-
1988
- 1988-01-14 JP JP63004986A patent/JP2553125B2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61203038A (en) * | 1985-03-04 | 1986-09-08 | Canon Inc | Feeding roller |
| JPS6256537U (en) * | 1985-09-28 | 1987-04-08 | ||
| JPH01192640A (en) * | 1988-01-27 | 1989-08-02 | Hitachi Ltd | Roller for medium conveying device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002123044A (en) * | 2000-10-04 | 2002-04-26 | Nexpress Solutions Llc | Double sleeve type electrostatic image forming roller and method for using the same |
| JP4656774B2 (en) * | 2000-10-04 | 2011-03-23 | イーストマン コダック カンパニー | Double sleeve type electrostatic image forming roller and method of using the same |
| CN106429589A (en) * | 2016-12-10 | 2017-02-22 | 无锡银联齿轮传动机械有限公司 | Roller for single-tube yarn feeder |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2553125B2 (en) | 1996-11-13 |
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