JPH0962154A - Image forming substance removing device - Google Patents
Image forming substance removing deviceInfo
- Publication number
- JPH0962154A JPH0962154A JP24076795A JP24076795A JPH0962154A JP H0962154 A JPH0962154 A JP H0962154A JP 24076795 A JP24076795 A JP 24076795A JP 24076795 A JP24076795 A JP 24076795A JP H0962154 A JPH0962154 A JP H0962154A
- Authority
- JP
- Japan
- Prior art keywords
- belt
- forming substance
- image forming
- peeling
- peeling member
- 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.)
- Withdrawn
Links
Landscapes
- Accessory Devices And Overall Control Thereof (AREA)
- Cleaning In Electrography (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、複写機、ファクシ
ミリ、プリンター、印刷機等の画像形成装置によってト
ナーなどの像形成物質を安定に付着させた記録済みのシ
ートから、この像形成物質を取り除く像形成物質除去装
置に係り、詳しくは、前記シートと無端移動するベルト
状の剥離部材とを圧接させ、その後両者を分離すること
で像形成物質を記録済シートから剥離し、除去する像形
成物質除去装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention removes an image forming substance from a recorded sheet to which an image forming substance such as a toner is stably attached by an image forming apparatus such as a copying machine, a facsimile machine, a printer and a printing machine. More specifically, the present invention relates to an image forming substance removing device, in which the sheet and an endlessly moving belt-shaped peeling member are brought into pressure contact with each other, and then the two are separated from each other, thereby peeling the image forming substance from a recorded sheet and removing the image forming substance. The present invention relates to a removing device.
【0002】[0002]
【従来の技術】トナーなどの像形成物質が付着した記録
済のシートから像形成物質を除去する装置として、先に
本出願人は、記録済みシートに、不安定化剤としての
水、界面活性剤を含む水溶液、水溶性ポリマーを含む水
溶液、及び界面活性剤と水溶性ポリマーとを含む水溶液
よりなる群から選ばれた少なくとも1種の水あるいは水
溶液を保持させるとともに、剥離部材を介在させ、像形
成物質を該剥離部材に加熱接着もしくは加圧接着してシ
ートから剥離する像形成物質除去装置を提案した(例え
ば、特願平4−255916号参照)。2. Description of the Related Art As an apparatus for removing an image-forming substance from a recorded sheet on which an image-forming substance such as toner adheres, the applicant of the present invention has previously proposed that the recorded sheet contains water as a destabilizing agent and a surfactant. And an aqueous solution containing a water-soluble polymer, and an aqueous solution containing a surfactant and a water-soluble polymer, and at least one kind of water or an aqueous solution selected from the group consisting of an aqueous solution containing a surfactant and a water-soluble polymer. An image forming substance removing apparatus has been proposed in which a forming substance is heat-bonded or pressure-bonded to the peeling member to peel it from the sheet (see, for example, Japanese Patent Application No. 4-255916).
【0003】しかしながら、この像形成物質除去装置
を、上記剥離部材を無端ベルト状とし、かつ、係るベル
ト状の剥離部材(以下、剥離ベルトという)を複数の支
持部材で支持しつつ無端移動させて像形成物質を除去す
る様に構成した場合、この剥離ベルトが該剥離ベルトを
移動可能に支持する支持部材の長手方向、すなわち該剥
離ベルトの無端移動方向と垂直な方向(以下、長手方向
という)においてずれる、所謂ベルト寄りが生じる恐れ
がある。However, in this image forming substance removing apparatus, the peeling member is formed into an endless belt, and the belt-like peeling member (hereinafter referred to as peeling belt) is endlessly moved while being supported by a plurality of supporting members. When the peeling belt is configured to remove the image forming substance, the peeling belt movably supports the peeling belt in the longitudinal direction, that is, in the direction perpendicular to the endless moving direction of the peeling belt (hereinafter referred to as the longitudinal direction). There is a possibility that a so-called belt deviation may occur.
【0004】そこで、係るベルト寄りを防止するため
に、先に出願人は、剥離ベルトに回転駆動力を伝達する
駆動ローラと剥離ベルトの少なくとも一方の縁部とが接
触を開始する位置を調整する、例えばトラッキングロー
ラからなる接触位置調整手段を備えた像形成物質除去装
置を提案した(特願平6−295805参照)。この像
形成物質除去装置によれば、接触位置調整手段で駆動ロ
ーラと剥離ベルトの縁部とが接触を開始する位置を変化
させると、該接触位置調整手段よりも剥離ベルトの無端
移動方向に一つ下流に位置する支持部材上で、まず剥離
ベルトが長手方向に移動する。そして、この移動に伴っ
て、今度は該支持部材よりも一つ下流に位置する支持部
材上でも剥離ベルトの移動が始まり、該移動が順次下流
へと伝達され、これらの動作によりベルト寄りを解消す
ることができる。Therefore, in order to prevent such a belt deviation, the applicant previously adjusted the position where the driving roller for transmitting the rotational driving force to the peeling belt and at least one edge of the peeling belt start contact with each other. For example, an image forming substance removing device provided with a contact position adjusting unit including a tracking roller has been proposed (see Japanese Patent Application No. 6-295805). According to this image forming substance removing device, when the position where the drive roller and the edge of the peeling belt start contact is changed by the contact position adjusting means, the contact position adjusting means moves the contact belt in the endless movement direction of the peeling belt more than the contact position adjusting means. First, the peeling belt moves in the longitudinal direction on the supporting member located downstream. Along with this movement, the peeling belt starts moving even on the supporting member located one downstream of the supporting member, and the movement is sequentially transmitted to the downstream side, and the belt deviation is eliminated by these operations. can do.
【0005】[0005]
【発明が解決しようとする課題】しかしながら、この像
形成物質除去装置においては、接触位置調整手段が剥離
ベルトの寄り解消のための動作を開始してからベルトの
寄りが解消されるまでの間(以下、寄り解消中という)
に、剥離ベルトに波打ちが生じたり、剥離ベルトに皺が
生じたり、場合によっては剥離ベルトが切断されてしま
ったりするといった弊害が生じることがある。以下、こ
の理由について説明すると、寄り解消中において、ある
支持部材(以下、上流支持部材という)と、この上流支
持部材よりも剥離ベルトの搬送方向において一つ下流に
位置する支持部材(以下、下流支持部材という)との間
でベルトの移動が伝達される場合、先述のように、まず
上流支持部材上で剥離ベルトにおける寄り解消のための
移動が開始され、次にこの移動が下流支持部材上へと伝
達される。よって、上流支持部材から下流支持部材に剥
離ベルトの移動が伝達されている最中においては、剥離
ベルトは両支持部材間に斜めにズレて支持される状態と
なり、このことが剥離ベルトに波打ちを生じさせたり、
剥離ベルトに皺を発生させたりする原因となるのであ
る。However, in this image forming substance removing apparatus, from the time when the contact position adjusting means starts the operation for eliminating the deviation of the peeling belt to the time when the deviation of the belt is eliminated ( (Hereinafter, it is said to be relieving)
In addition, the peeling belt may be corrugated, the peeling belt may be wrinkled, or the peeling belt may be cut in some cases. The reason for this will be described below. While the deviation is eliminated, a certain supporting member (hereinafter, referred to as an upstream supporting member) and a supporting member located one downstream from the upstream supporting member in the conveying direction of the peeling belt (hereinafter, the downstream supporting member). When the movement of the belt is transmitted to and from the support member), as described above, first, the movement for eliminating the deviation in the peeling belt is started on the upstream support member, and then this movement is performed on the downstream support member. Is transmitted to. Therefore, while the movement of the peeling belt is being transmitted from the upstream supporting member to the downstream supporting member, the peeling belt is in a state of being diagonally displaced and supported between the both supporting members, which causes waviness in the peeling belt. Or cause
This causes wrinkles on the peeling belt.
【0006】また、剥離ベルトは、移動経路内の一部に
おいて、シート表面に付着している像形成物質に対して
加圧圧着されるものである。よって、この部分に剥離ベ
ルトにおける上述の波打ちや皺が生じた部分が到達する
と、波打ちや皺が押しつぶされることに起因して剥離ベ
ルトに折り目が生じ、場合によってはこの折り目から剥
離ベルトが切断されてしまうのである。The peeling belt is pressure-bonded to the image forming substance adhering to the sheet surface in a part of the moving path. Therefore, when the above-mentioned wavy or wrinkled part of the peeling belt reaches this part, a fold is generated in the peeling belt due to the crushing of the wavy or wrinkle, and the peeling belt is cut from this fold in some cases. It will end up.
【0007】本発明は以上の問題点に鑑みてなされたも
のであり、その目的とするところは、従来の像形成物質
除去装置で生じる恐れがあった、無端ベルト状の剥離部
材の波打ちや皺の発生や、無端ベルト状の剥離部材の切
断が生じることのない像形成物質除去装置を提供するこ
とにある。The present invention has been made in view of the above problems, and an object of the present invention is to corrugate or wrinkle an endless belt-like peeling member which may occur in a conventional image forming substance removing apparatus. It is an object of the present invention to provide an image forming substance removing apparatus that does not cause the occurrence of the above phenomenon or the cutting of the endless belt-shaped peeling member.
【0008】[0008]
【課題を解決するための手段】上記目的を達成するため
に、請求項1の像形成物質除去装置は、シート表面に付
着している像形成物質に対して、該表面と該像形成物質
との付着力よりも該像形成物質に対して大きい付着力を
発揮しうる無端ベルト状の剥離部材を加圧接触させた後
に、該シート表面と該剥離部材とを分離させて該像形成
物質を該シート表面から剥離する剥離装置と、前記無端
ベルト状の剥離部材を前記シート表面と接触する領域を
含む閉じた経路内で無端移動可能に支持する複数の支持
部材と、前記支持部材のうちの少なくとも一つの支持部
材からなる駆動ローラと、前記駆動ローラに回転駆動力
を伝達し、前記シートを前記無端移動させる駆動源と、
前記駆動ローラと、前記無端ベルト状の剥離部材の少な
くとも一方の縁部とが接触を開始する位置を調整する接
触位置調整手段と、を備えた像形成物質除去装置であっ
て、前記複数の支持部材のうちの前記駆動ローラ以外の
支持部材における前記無端ベルト状の剥離部材に接する
部分の摩擦係数を、該駆動ローラにおける該無端ベルト
状の剥離部材に接する部分の摩擦係数よりも低くするこ
とを特徴とするものである。In order to achieve the above object, the apparatus for removing an image-forming substance according to claim 1 is characterized in that the image-forming substance adhered to the surface of the sheet is separated from the surface and the image-forming substance. The pressure-sensitive endless belt-shaped peeling member capable of exerting a larger adhesive force on the image-forming substance than that of the image-forming substance is separated, and then the sheet surface and the peeling member are separated to separate the image-forming substance. A peeling device that peels from the sheet surface, a plurality of support members that support the endless belt-shaped peeling member so as to be capable of endless movement in a closed path including a region that contacts the sheet surface, and among the support members. A drive roller composed of at least one support member, and a drive source for transmitting a rotational drive force to the drive roller to move the sheet endlessly,
An image forming substance removing device comprising: a contact position adjusting means for adjusting a position at which the drive roller and at least one edge of the endless belt-shaped peeling member start contact with each other; The friction coefficient of a portion of the supporting member other than the drive roller that is in contact with the endless belt-shaped peeling member is lower than the friction coefficient of a portion of the drive roller that is in contact with the endless belt-shaped peeling member. It is a feature.
【0009】係る請求項1の像形成物質除去装置におい
ては、複数の支持部材のうちの駆動ローラ以外の支持部
材における前記無端ベルト状の剥離部材に接する部分の
摩擦係数を、該駆動ローラにおける該無端ベルト状の剥
離部材に接する部分の摩擦係数よりも低くする。よっ
て、両摩擦係数が同じである場合と比較して、複数の支
持部材のうちの一つの支持部材(以下、上流支持部材と
いう)と、この上流支持部材よりも無端ベルト状の剥離
部材(以下、剥離ベルトという)の搬送方向に一つ下流
に位置する支持部材(以下、下流支持部材という)との
間で剥離ベルトの移動が伝達される最中に、下流支持部
材上において剥離ベルトが迅速にその無端移動方向と垂
直な方向に摺動し移動する。よって、両摩擦係数が同じ
場合と比較して、該移動中に剥離ベルトが両支持部材間
に斜めにズレて支持される状態となる時間が短くなり、
これにより剥離ベルトがズレて支持されることに起因す
る剥離ベルトの波打ちや皺の発生が生じにくくなる。ま
た、剥離ベルトの波打ちや皺の発生が生じにくくなるの
で、剥離ベルトの波打ちや皺が生じた部分が加圧されて
折り目が生じることもおこりにくくなる。In the image forming substance removing apparatus according to claim 1, the friction coefficient of a portion of the plurality of supporting members other than the driving roller, which is in contact with the endless belt-shaped peeling member, is the friction coefficient of the driving roller. The coefficient of friction is set to be lower than the friction coefficient of the portion contacting the endless belt-shaped peeling member. Therefore, as compared with the case where both friction coefficients are the same, one of the plurality of support members (hereinafter, referred to as an upstream support member) and an endless belt-shaped peeling member (hereinafter, referred to as an upstream support member) , The peeling belt), while the movement of the peeling belt is transmitted between the peeling belt and a supporting member located one downstream in the conveying direction of the peeling belt (hereinafter referred to as the downstream supporting member), the peeling belt is quickly moved on the downstream supporting member. It slides and moves in a direction perpendicular to the endless movement direction. Therefore, as compared with the case where both friction coefficients are the same, the time during which the peeling belt is in a state of being diagonally displaced and supported between the supporting members during the movement becomes shorter,
This makes it less likely that the peeling belt will be wavy or wrinkled due to the peeling belt being displaced and supported. In addition, since the peeling belt is less likely to be wavy or wrinkled, it is less likely that the portion of the peeling belt that is wavy or wrinkled is pressed to form a fold.
【0010】また、請求項2の像形成物質除去装置は、
シート表面に付着している像形成物質に対して、該表面
と該像形成物質との付着力よりも該像形成物質に対して
大きい付着力を発揮しうる無端ベルト状の剥離部材を加
圧接触させた後に、該シート表面と該剥離部材とを分離
させて該像形成物質を該シート表面から剥離する剥離装
置と、前記無端ベルト状の剥離部材を前記シート表面と
接触する領域を含む閉じた経路内で無端移動可能に支持
する複数の支持部材と、前記支持部材のうちの少なくと
も一つの支持部材からなる駆動ローラと、前記駆動ロー
ラに回転駆動力を伝達し、前記シートを前記無端移動さ
せる駆動源と、前記駆動ローラと、前記無端ベルト状の
剥離部材の少なくとも一方の縁部とが接触を開始する位
置を調整する接触位置調整手段と、を備えた像形成物質
除去装置であって、前記複数の支持部材の前記無端ベル
ト状の剥離部材に接する部分における、該剥離部材の無
端移動方向と垂直な方向の摩擦係数(以下、垂直摩擦係
数という)を、該部分における該無端移動方向の摩擦係
数(以下、移動方向摩擦係数という)よりも低くするこ
とを特徴とするものである。なお、複数の支持部材の全
てをその垂直摩擦係数がその移動方向摩擦係数よりも低
くなるようにしても、複数の支持部材のうちの一部のみ
をその垂直摩擦係数がその移動方向摩擦係数よりも低く
なるようにしても構わない。The image-forming substance removing device according to claim 2 is
The endless belt-shaped peeling member capable of exerting a larger adhesive force on the image forming substance adhered to the surface of the sheet than the adhesive force between the surface and the image forming substance is pressed. A peeling device that separates the sheet surface and the peeling member to separate the image-forming substance from the sheet surface after contact, and a closing device including a region in which the endless belt-shaped peeling member contacts the sheet surface. A plurality of support members that support endlessly movable in a path, a drive roller composed of at least one of the support members, and a rotational drive force transmitted to the drive roller to move the sheet endlessly. An image forming substance removing device comprising: a driving source for driving the driving roller; and a contact position adjusting means for adjusting a position where the driving roller and at least one edge of the endless belt-shaped peeling member start contact with each other. A friction coefficient in a direction perpendicular to the endless moving direction of the peeling member (hereinafter, referred to as a vertical friction coefficient) in a portion of the plurality of supporting members in contact with the endless belt-shaped peeling member is defined as follows. It is characterized in that it is made lower than the friction coefficient (hereinafter, referred to as moving direction friction coefficient). Even if the vertical friction coefficient of all of the plurality of supporting members is lower than the moving direction friction coefficient, only some of the plurality of supporting members have the vertical friction coefficient more than the moving direction friction coefficient. May be lower.
【0011】係る請求項2の像形成物質除去装置におい
ては支持部材の垂直摩擦係数を移動方向摩擦係数よりも
低くするので、両摩擦係数が同じ場合と比較して、複数
の支持部材のうちの一つの支持部材(以下、上流支持部
材という)と、この上流支持部材よりも無端ベルト状の
剥離部材(以下、剥離ベルトという)の搬送方向に一つ
下流に位置する支持部材(以下、下流支持部材という)
との間で剥離ベルトの移動が伝達される最中に、下流支
持部材上において剥離ベルトが迅速にその無端移動方向
と垂直な方向に摺動し移動する。よって、両摩擦係数が
同じ場合と比較して、該移動中に剥離ベルトが両支持部
材間に斜めにズレて支持される状態となる時間が短くな
り、これにより剥離ベルトがズレて支持されることに起
因する剥離ベルトの波打ちや皺の発生が生じにくくな
る。また、剥離ベルトの波打ちや皺の発生が生じにくく
なるので、剥離ベルトの波打ちや皺が生じた部分が加圧
されて折り目が生じることもおこりにくくなる。In the image forming substance removing apparatus according to the second aspect of the present invention, the vertical friction coefficient of the support member is set lower than the friction coefficient in the moving direction. Therefore, as compared with the case where both friction coefficients are the same, among the plurality of support members. One support member (hereinafter, referred to as an upstream support member) and a support member (hereinafter, referred to as downstream support) located one downstream in the transport direction of the endless belt-shaped separation member (hereinafter, referred to as a separation belt) from the upstream support member. Member)
While the movement of the peeling belt is transmitted between the peeling belt and the peeling belt, the peeling belt quickly slides and moves on the downstream support member in a direction perpendicular to the endless movement direction. Therefore, as compared with the case where the two friction coefficients are the same, the time during which the peeling belt is obliquely displaced and supported between the supporting members during the movement is shortened, and thus the peeling belt is displaced and supported. As a result, the release belt is less likely to wavy or wrinkle. In addition, since the peeling belt is less likely to be wavy or wrinkled, it is less likely that the portion of the peeling belt that is wavy or wrinkled is pressed to form a fold.
【0012】また、請求項3の像形成物質除去装置は、
シート表面に付着している像形成物質に対して、該表面
と該像形成物質との付着力よりも該像形成物質に対して
大きい付着力を発揮しうる無端ベルト状の剥離部材を加
圧接触させた後に、該シート表面と該剥離部材とを分離
させて該像形成物質を該シート表面から剥離する剥離装
置と、前記無端ベルト状の剥離部材を前記シート表面と
接触する領域を含む閉じた経路内で無端移動可能に支持
する複数の支持部材と、前記支持部材のうちの少なくと
も一つの支持部材からなる駆動ローラと、前記駆動ロー
ラに回転駆動力を伝達し、前記シートを前記無端移動さ
せる駆動源と、前記駆動ローラと、前記無端ベルト状の
剥離部材の少なくとも一方の縁部とが接触を開始する位
置を調整する接触位置調整手段と、を備えた像形成物質
除去装置であって、前記無端ベルト状の剥離部材の前記
複数の支持部材に接する側の面における、該剥離部材の
無端移動方向と垂直な方向の摩擦係数を、該面における
該無端移動方向の摩擦係数よりも低くすることを特徴と
するものである。Further, the image forming substance removing device according to claim 3 is
The endless belt-shaped peeling member capable of exerting a larger adhesive force on the image forming substance adhered to the surface of the sheet than the adhesive force between the surface and the image forming substance is pressed. A peeling device that separates the sheet surface and the peeling member to separate the image-forming substance from the sheet surface after contact, and a closing device including a region in which the endless belt-shaped peeling member contacts the sheet surface. A plurality of support members that support endlessly movable in a path, a drive roller composed of at least one of the support members, and a rotational drive force transmitted to the drive roller to move the sheet endlessly. An image forming substance removing device comprising: a driving source for driving the driving roller; and a contact position adjusting means for adjusting a position where the driving roller and at least one edge of the endless belt-shaped peeling member start contact with each other. The friction coefficient in the direction perpendicular to the endless movement direction of the peeling member on the surface of the endless belt-shaped peeling member in contact with the plurality of support members is made lower than the friction coefficient in the endless movement direction on the surface. It is characterized by that.
【0013】係る請求項3の像形成物質除去装置におい
ては、剥離部材の該剥離部材の無端移動方向と垂直な方
向の摩擦係数を、該面における該無端移動方向の摩擦係
数よりも低くするので、両摩擦係数が同じ場合と比較し
て、複数の支持部材のうちの一つの支持部材(以下、上
流支持部材という)と、この上流支持部材よりも無端ベ
ルト状の剥離部材(以下、剥離ベルトという)の搬送方
向に一つ下流に位置する支持部材(以下、下流支持部材
という)との間で剥離ベルトの移動が伝達される最中
に、下流支持部材上において剥離ベルトが迅速にその無
端移動方向と垂直な方向に摺動し移動する。よって、両
摩擦係数が同じ場合と比較して、該移動中に剥離ベルト
が両支持部材間に斜めにズレて支持される状態となる時
間が短くなり、これにより剥離ベルトがズレて支持され
ることに起因する剥離ベルトの波打ちや皺の発生が生じ
にくくなる。また、剥離ベルトの波打ちや皺の発生が生
じにくくなるので、剥離ベルトの波打ちや皺が生じた部
分が加圧されて折り目が生じることもおこりにくくな
る。さらに、請求項3の像形成物質除去装置において
は、剥離部材の該剥離部材の無端移動方向と垂直な方向
の摩擦係数を、該面における該無端移動方向の摩擦係数
よりも低くするので、剥離ベルトの無端移動方向におけ
る摩擦係数は十分なものとすることができ、駆動ローラ
からの回転駆動力の伝達は良好になされる。 (以下、余白)In the image forming substance removing apparatus according to the third aspect, the friction coefficient of the peeling member in the direction perpendicular to the endless moving direction of the peeling member is made lower than the friction coefficient of the surface in the endless moving direction. As compared with the case where the two friction coefficients are the same, one supporting member (hereinafter referred to as an upstream supporting member) of the plurality of supporting members, and an endless belt-shaped separating member (hereinafter, separating belt) from the upstream supporting member. While the movement of the peeling belt is transmitted to and from the supporting member located one downstream in the conveying direction (hereinafter, referred to as the "downstream supporting member"), the peeling belt rapidly moves its endless end on the downstream supporting member. It moves by sliding in the direction perpendicular to the moving direction. Therefore, as compared with the case where the two friction coefficients are the same, the time during which the peeling belt is obliquely displaced and supported between the supporting members during the movement is shortened, and thus the peeling belt is displaced and supported. As a result, the release belt is less likely to wavy or wrinkle. In addition, since the peeling belt is less likely to be wavy or wrinkled, it is less likely that the portion of the peeling belt that is wavy or wrinkled is pressed to form a fold. Further, in the image forming substance removing apparatus according to claim 3, since the friction coefficient of the peeling member in the direction perpendicular to the endless moving direction of the peeling member is made lower than the friction coefficient of the surface in the endless moving direction, peeling is performed. The friction coefficient in the endless movement direction of the belt can be made sufficient, and the rotational driving force from the driving roller can be transmitted well. (Hereinafter, margin)
【0014】[0014]
〔実施の形態1〕以下、本発明を転写型の電子写真複写
機によって画像が形成されたシートとしての転写紙か
ら、像形成物質としての熱溶融性トナー(以下、トナー
という)を取り除く像形成物質除去装置(以下、トナー
除去装置という)に適用した第1の実施形態について説
明する。[Embodiment 1] Hereinafter, the present invention will be described. Image formation in which a heat-melting toner (hereinafter, referred to as a toner) as an image forming substance is removed from a transfer paper as a sheet on which an image is formed by a transfer type electrophotographic copying machine. A first embodiment applied to a substance removing device (hereinafter referred to as a toner removing device) will be described.
【0015】まず、この実施形態に係るトナー除去装置
の概略構成について説明する。図1はこのトナー除去装
置の概略構成を示す正面図である。図1において、この
トナー除去装置は図示を省略した給紙ユニットから送ら
れてきた転写紙10に液を供給する液供給ユニット30
と、液が供給された転写紙10からトナーを剥離する剥
離装置としてのトナー剥離ユニット40と、トナーが除
去された転写紙10を乾燥させる乾燥ユニット60と、
乾燥ユニット60から排出される転写紙10を受ける図
示を省略した紙受けユニットとを備えている。First, a schematic structure of the toner removing device according to this embodiment will be described. FIG. 1 is a front view showing a schematic configuration of this toner removing device. In FIG. 1, the toner removing device is a liquid supply unit 30 that supplies liquid to the transfer paper 10 sent from a paper supply unit (not shown).
A toner peeling unit 40 as a peeling device that peels the toner from the transfer paper 10 to which the liquid has been supplied; a drying unit 60 that dries the transfer paper 10 from which the toner has been removed;
A sheet receiving unit (not shown) for receiving the transfer sheet 10 discharged from the drying unit 60 is provided.
【0016】上記給紙ユニットは、トナー像が形成され
た面(以下、トナー像面という)を下に向けて1枚づつ
転写紙10を液供給ユニット30に送り込むものであ
り、例えば電子写真複写機における給紙ユニットと同様
のものである。The paper feeding unit feeds the transfer papers 10 to the liquid supply unit 30 one by one with the surface on which the toner image is formed (hereinafter referred to as the toner image surface) facing down, for example, electrophotographic copying. It is similar to the paper feed unit in the machine.
【0017】上記液供給ユニット30は、水又は転写紙
10への浸透性を向上させるために界面活性剤を含んだ
水溶液などの液31を転写紙10に供給するものであ
り、液を収容する液容器32と、この液容器32中の液
中に部分的に没するように設けられ回転によって液を汲
み上げて転写紙10のトナー像面に供給する塗布ローラ
33と、紙搬送経路を挟んでこの塗布ローラ33に対向
するように設けられた紙規制部材としての規制ローラ3
4とを備えている。The liquid supply unit 30 supplies a liquid 31 such as water or an aqueous solution containing a surfactant in order to improve the permeability of the transfer paper 10 to the transfer paper 10, and contains the liquid. The liquid container 32, the coating roller 33 which is provided so as to be partially submerged in the liquid in the liquid container 32, scoops up the liquid by rotation and supplies it to the toner image surface of the transfer paper 10, and sandwiches the paper transport path. A regulating roller 3 as a paper regulating member provided so as to face the coating roller 33.
4 and.
【0018】上記トナー剥離ユニット40は、無端ベル
ト状の剥離部材であるトナーオフセット用ベルト(以
下、オフセットベルトという)44と、このオフセット
用ベルト44を無端移動可能に支持する複数の支持部材
としての駆動ローラ41、トラッキングローラ42、及
び加熱用ブロック43と、オフセットベルト44を挾ん
で加熱用ブロック43と互いに圧接する位置に設けられ
た加圧部材としての加熱ローラ45と、オフセットベル
ト44の表面から残留物を除去する拭き取り手段として
の拭き取りローラ80とを備えている。また、加熱用ブ
ロック43内部にはヒータ43aが設けられており、加
熱ローラ42の内部にはヒータ45aが設けられいる。
また、駆動ローラ41には、該ローラに駆動を伝達する
駆動源が取り付けられている。The toner peeling unit 40 serves as a toner offset belt (hereinafter referred to as an offset belt) 44, which is an endless belt-shaped peeling member, and a plurality of supporting members for supporting the offset belt 44 so as to be capable of endless movement. The driving roller 41, the tracking roller 42, the heating block 43, and the heating roller 45 as a pressing member provided at a position where the offset belt 44 is sandwiched between the heating roller 45 and the heating block 43, and the surface of the offset belt 44. A wiping roller 80 as a wiping means for removing the residue is provided. Further, a heater 43a is provided inside the heating block 43, and a heater 45a is provided inside the heating roller 42.
Further, a drive source for transmitting drive to the drive roller 41 is attached to the drive roller 41.
【0019】上記オフセットベルト44の少なくとも表
面は、軟化したトナーに対して、転写紙10の表面と該
トナーとの付着力より大きい付着力を発揮しうる材料で
形成されている。例えばベルト自体がアルミ系、銅系、
ニッケル系など金属材料、又は酸化チタンを分散させた
ポリエチレンテレフタレート(PET)などの高分子系
材料で形成されている。At least the surface of the offset belt 44 is formed of a material capable of exerting an adhesive force to the softened toner that is larger than the adhesive force between the surface of the transfer paper 10 and the toner. For example, the belt itself is made of aluminum, copper,
It is formed of a metal material such as nickel or a polymer material such as polyethylene terephthalate (PET) in which titanium oxide is dispersed.
【0020】また上記加熱用ブロック43の転写紙搬送
方向再下流側のコーナー部43cはほぼ90度に形成さ
れ、ここを通過するオフセットベルト部分が移動方向を
急激に変化させて、オフセットベルト44からの転写紙
10の曲率分離を行うようになっている。Further, the corner 43c of the heating block 43 on the downstream side in the transfer paper conveying direction is formed at an angle of about 90 degrees, and the offset belt portion passing through the corner 43c suddenly changes its moving direction to move from the offset belt 44. The separation of the curvature of the transfer paper 10 is performed.
【0021】またこの加熱用ブロック43と上記加熱ロ
ーラ45は、上記液供給ユニット30から送れたきた転
写紙10のトナー像面をオフセットベルト44に密着さ
せるとともに転写紙10に固着しているトナーを加熱し
て軟化させるものである。The heating block 43 and the heating roller 45 bring the toner image surface of the transfer paper 10 sent from the liquid supply unit 30 into close contact with the offset belt 44 and remove the toner adhered to the transfer paper 10. It is heated to soften it.
【0022】また上記ベルトクリーニング装置47は、
オフセットベルト44周面に断続的な引っ掻き力を及ぼ
して付着トナーを除去する回転ブラシローラ50と、金
属又は樹脂からなるトナー除去用のブレード51とを備
え、これらによってベルト周面から除去されたトナーを
ユニットケーシング52内に収容するようになってい
る。Further, the belt cleaning device 47 is
The offset belt 44 is provided with a rotating brush roller 50 for applying an intermittent scratching force to the peripheral surface of the offset belt 44 to remove the adhered toner, and a blade 51 for removing the toner made of metal or resin, and the toner removed from the peripheral surface of the belt by these. Are housed in the unit casing 52.
【0023】なお、図示のトナー剥離ユニット40に
は、液供給ユニット30側から送られてくる転写紙10
を、上記加熱用ブロック43にバックアップされて移動
するオフセットベルト44と加熱ローラ45との加圧部
へガイドする上ガイド板70が設けられている。また、
該圧接部を通過し、かつ加熱用ブロック43の下流側コ
ーナー部43c回りでオフセットベルト44から曲率分
離された転写紙10を乾燥ユニット60側に案内するた
めの下ガイド板71も設けられている。In the illustrated toner peeling unit 40, the transfer paper 10 sent from the liquid supply unit 30 side is sent.
An upper guide plate 70 is provided to guide the pressure belt to the pressing portions of the offset belt 44 and the heating roller 45, which are backed up by the heating block 43. Also,
A lower guide plate 71 is also provided for guiding the transfer paper 10 that has passed through the pressure contact portion and is curvature-separated from the offset belt 44 around the downstream corner portion 43c of the heating block 43 to the drying unit 60 side. .
【0024】上記乾燥ユニット60は、例えば転写紙1
0の液保持量が紙重量の10%以下になるように転写紙
10を乾燥させるためのものであり、加熱ランプ61a
内蔵の例えばアルミからなる加熱ドラム61と、複数の
支持ローラ62に掛け渡され、該加熱ドラム61の周面
に一定角度巻きついた状態で無端移動する紙押圧用ベル
ト63とから構成されている。図示の例では一つの支持
ローラ62がテンションローラを兼ねている。上記紙押
圧用ベルト63の材質としては、耐熱性や通気性を備え
た材質、例えばキャンバス地、木綿地、テトロン地など
の布を用いることができる。The drying unit 60 is, for example, the transfer paper 1.
The heating lamp 61a is for drying the transfer paper 10 so that the liquid holding amount of 0 is 10% or less of the paper weight.
It is composed of a built-in heating drum 61 made of, for example, aluminum, and a paper pressing belt 63 which is stretched around a plurality of support rollers 62 and is endlessly moved while being wound around the peripheral surface of the heating drum 61 at a constant angle. . In the illustrated example, one support roller 62 also serves as a tension roller. As the material of the paper pressing belt 63, a material having heat resistance and air permeability, for example, cloth such as canvas cloth, cotton cloth, and Tetoron cloth can be used.
【0025】上記紙受けユニットは、この乾燥ユニット
60における、加熱ドラムと紙押圧用ベルトとの挾持領
域を抜け出した転写紙10を、ガイドする上下ガイド部
材、該ガイド部材によりガイドされてきた転写紙10を
搬送する排紙ローラ対、該排紙ローラ対で排紙される転
写紙を受けるトレイなどで構成できる。In the paper receiving unit, the upper and lower guide members for guiding the transfer paper 10 that has passed through the holding region between the heating drum and the paper pressing belt in the drying unit 60, and the transfer paper guided by the guide member. It can be configured by a pair of paper discharge rollers that convey the sheet 10, a tray that receives the transfer paper discharged by the pair of paper discharge rollers, and the like.
【0026】以上でその概略構成を説明したこのトナー
除去装置において、給紙ユニットから送られた転写紙1
0は、液供給ユニット30でそのトナー像面に液が均一
に供給され、トナー剥離ユニット40に送られる。この
トナー剥離ユニット40で、転写紙10に固着している
トナーが加熱用ブロック43及び加熱ローラ45からの
加熱で軟化し、オフセットベルト44表面に付着する。
そして加熱用ブロック43の下流側コーナー部43bの
回りで転写紙10とオフセットベルト44から分離する
際に、オフセットベルト44表面に付着したトナーが転
写紙10から剥離し、これにより、転写紙10からトナ
ーが除去される。トナーが除去された転写紙10は乾燥
ユニット61で乾燥され、紙受けユニットに排出され
る。In the toner removing apparatus whose schematic structure has been described above, the transfer paper 1 sent from the paper feeding unit
In the case of 0, the liquid is uniformly supplied to the toner image surface by the liquid supply unit 30, and is sent to the toner peeling unit 40. In the toner peeling unit 40, the toner adhered to the transfer paper 10 is softened by heating from the heating block 43 and the heating roller 45 and adheres to the surface of the offset belt 44.
Then, when the transfer paper 10 and the offset belt 44 are separated from each other around the downstream corner portion 43b of the heating block 43, the toner adhering to the surface of the offset belt 44 is peeled off from the transfer paper 10, whereby the transfer paper 10 is removed. Toner is removed. The transfer paper 10 from which the toner has been removed is dried by the drying unit 61 and discharged to the paper receiving unit.
【0027】このトナー除去装置においては、トナーが
付着した転写紙10に液を供給して転写紙10のトナー
との界面部に液を浸透させた状態でトナーを剥離させる
ので、紙繊維を傷めることなく、トナーを除去できる。In this toner removing device, the liquid is supplied to the transfer paper 10 to which the toner adheres, and the toner is peeled off while the liquid permeates the interface of the transfer paper 10 with the toner, so that the paper fiber is damaged. The toner can be removed without
【0028】また、このトナー除去装置においては、ベ
ルトクリーニング装置47の回転ブラシローラ50及び
クリーニングブレード51でオフセットベルト44に付
着したトナーを除去し、オフセットベルト44上でのト
ナーの不均一な付着堆積を防止するので、オフセットベ
ルト44と転写紙10との残留トナーによる部分的な密
着不良でトナー除去不良が生じるのを防止できる。In this toner removing device, the toner attached to the offset belt 44 is removed by the rotating brush roller 50 and the cleaning blade 51 of the belt cleaning device 47, and the toner is non-uniformly attached and deposited on the offset belt 44. Therefore, it is possible to prevent defective toner removal due to partial poor adhesion between the offset belt 44 and the transfer paper 10 due to residual toner.
【0029】以上でその概略構成と動作とを説明したこ
のトナー除去装置においては、無端ベルト状の剥離部材
としてのオフセットベルト44は支持部材としての駆動
ローラ41、トラッキングローラ42に掛け回して回動
させているので、ベルト寄りの恐れが有る。特に、本実
施形態のトナー除去装置においては、オフセットベルト
44を、加圧部材としての加熱ローラ45と加圧用ブロ
ック43で挾んで加圧しているので、一層ベルトよりが
発生しやすい。すなわち、この実施形態では、加熱ロー
ラ45と加熱用ブロック43とは、オフセットベルト4
4の移動に対する抵抗になり、この加熱ローラ45と加
熱用ブロック43との摩擦力の幅方向における不均一が
ベルト寄りの原因になり得るのである。また、オフセッ
トベルト44と、加熱ローラ45及び加熱用ブロック4
3との摩擦力は、加熱ローラ45と加熱用ブロック43
との圧接力のみならず、転写紙10の濡れの程度にも左
右される。従って、この転写紙10の濡れ量の幅方向に
よる不均一もベルト寄りを生じさせる原因となり得るの
である。In this toner removing apparatus whose schematic structure and operation have been described above, the offset belt 44, which is an endless belt-shaped separating member, is rotated around the drive roller 41 and the tracking roller 42, which are supporting members. There is a risk of leaning towards the belt because it is made. Particularly, in the toner removing device of the present embodiment, since the offset belt 44 is sandwiched and pressed by the heating roller 45 as a pressing member and the pressing block 43, the belt is more likely to occur. That is, in this embodiment, the heating roller 45 and the heating block 43 are arranged so that the offset belt 4
4 becomes a resistance against the movement of the heating roller 45, and the non-uniformity of the frictional force between the heating roller 45 and the heating block 43 in the width direction may cause the belt deviation. In addition, the offset belt 44, the heating roller 45, and the heating block 4
The frictional force between the heating roller 45 and the heating block 43
It depends not only on the pressure contact force with the transfer paper 10 but also on the degree of wetting of the transfer paper 10. Therefore, the non-uniformity of the wetting amount of the transfer paper 10 in the width direction can also cause the belt deviation.
【0030】そこで、このトナー除去装置では、駆動ロ
ーラ41とオフセットベルト44の少なくとも一方の縁
部とが接触を開始する位置を調整する接触位置調整手段
を設けて、該寄り検出手段の出力に基づいて制御手段に
より接種位置調整手段を制御して、ベルトの寄りを矯正
している。以下、接種位置調整手段について説明する。Therefore, this toner removing device is provided with contact position adjusting means for adjusting the position where the drive roller 41 and at least one edge of the offset belt 44 start contacting, and based on the output of the deviation detecting means. The control means controls the inoculation position adjusting means to correct the belt deviation. The inoculation position adjusting means will be described below.
【0031】図2は、この像形成物質除去装置の要部で
ある上記接触位置調整手段の一構成例を示す概略構成図
である。この接触位置調整手段は、トラッキングローラ
の一方の端部を支持する位置を調整する支持位置調整手
段からなり、トラッキングローラ42の一端部を支持
し、かつ支持する位置を調整するアーム91と、トラッ
キングローラ42の他方の端部を軸自身の回りの回転自
在に支持する図示を省略する軸受と、アーム91を揺動
自在に支持する軸92と、アーム91を揺動するソレノ
イドからなるアクチュエータ93とで構成されている。FIG. 2 is a schematic block diagram showing a structural example of the contact position adjusting means which is a main part of the image forming substance removing apparatus. The contact position adjusting means includes a support position adjusting means for adjusting a position for supporting one end of the tracking roller, and supports one end of the tracking roller 42 and an arm 91 for adjusting a supporting position, and a tracking position. A bearing (not shown) that rotatably supports the other end of the roller 42 around the shaft itself, a shaft 92 that oscillates the arm 91, and an actuator 93 that is a solenoid that oscillates the arm 91. It is configured.
【0032】ここで、駆動ローラ41とオフセットベル
ト44の少なくとも一方の縁部とが接触を開始する位置
を調整することにより、オフセットベルト44の寄りを
矯正できる理由について、すなわち、複数の支持部材に
回転移動可能に支持されたベルトを支持部材の一本から
なる駆動ローラを回転させ無端移動させる場合、ベルト
と駆動ローラとが最初に接する位置によって、ベルトの
寄りを矯正できる理由について説明する。Here, the reason why the offset of the offset belt 44 can be corrected by adjusting the position where the drive roller 41 and the edge portion of at least one of the offset belts 44 start contacting with each other, that is, the plurality of supporting members, The reason why the belt deviation can be corrected by the position where the belt and the driving roller first come into contact with each other when the belt rotatably supported is endlessly moved by rotating the driving roller formed of one supporting member will be described.
【0033】図3は、駆動ローラ41とトラッキングロ
ーラ42とを含む複数の支持部材で無端移動可能に支持
されたベルト44が、駆動ローラ41と接触を開始する
位置を正面から示す説明図であり、図4は、ベルト44
が駆動ローラ41と最初に接する位置を底面方向から示
す説明図である。図3(a)と図4(a)とに示すよう
に、ベルト44が駆動ローラ41と接触を開始する位置
を示す線分L1が、駆動ローラ41の中心軸41aと平
行である場合、ベルト44は矢印A1で示す回転軸41
aと垂直な方向に移動することになり、ベルト寄りは発
生しない。なお、この場合における、ベルト44の一方
の縁部44Lが駆動ローラ41との接触を開始する点を
aで示す。FIG. 3 is an explanatory view showing from the front the position where the belt 44, which is endlessly movably supported by a plurality of supporting members including the driving roller 41 and the tracking roller 42, starts contact with the driving roller 41. , FIG. 4 shows the belt 44
FIG. 6 is an explanatory view showing a position at which the first contact with the drive roller 41 is made from the bottom surface direction. As shown in FIGS. 3A and 4A, when the line segment L1 indicating the position where the belt 44 starts contact with the drive roller 41 is parallel to the central axis 41a of the drive roller 41, 44 is a rotating shaft 41 indicated by an arrow A1
Since it moves in the direction perpendicular to a, the belt deviation does not occur. In this case, a point at which one edge 44L of the belt 44 starts contact with the driving roller 41 is indicated by a.
【0034】一方、図3(b)と図4(b)とに示すよ
うに、ベルト44が駆動ローラ41と接触を開始する位
置を示す線分L2が、駆動ローラ41の中心軸41aと
一定の角度を有している場合、ベルト44は矢印A2で
示す線分L2と垂直な方向に、すなわち、中心軸41a
と一定の角度を有する方向に移動することになる。よっ
て、この場合、ベルト44は移動をするにつれて、中心
線41aと線分L2とがなす距離が広い方の方向に寄る
ことになる。なお、この場合における、ベルト44の一
方の縁部44Lが駆動ローラ41との接触を開始する点
をbで示す。On the other hand, as shown in FIGS. 3B and 4B, the line segment L2 indicating the position where the belt 44 starts contact with the drive roller 41 is constant with the central axis 41a of the drive roller 41. Belt 44, the belt 44 is in the direction perpendicular to the line segment L2 indicated by the arrow A2, that is, the central axis 41a.
And will move in a direction having a certain angle. Therefore, in this case, as the belt 44 moves, it approaches the direction in which the distance between the center line 41a and the line segment L2 is wider. In this case, the point b where one edge 44L of the belt 44 starts contact with the drive roller 41 is indicated by b.
【0035】また、図3(c)と図4(c)とには、ベ
ルト44が駆動ローラ41と接触を開始する位置を示す
線分L3が、駆動ローラ41の中心軸41aと、図3
(b)と図4(b)とに示す場合と反対の向きの角度を
有している場合を示している。この場合、ベルト44は
矢印A3で示す線分L3と垂直な方向に、すなわち、中
心軸41aと、図3(b)、図4(b)に示す場合と反
対の向きの角度を有する方向に移動することになる。よ
って、この場合、ベルト44は移動をするにつれて線分
L3と垂直な方向である、中心線41aと線分L3とが
なす距離が広い方向に寄ることになる。なお、この場合
における、ベルト44の一方の縁部44Lが駆動ローラ
41との接触を開始する点をcで示す。3 (c) and 4 (c), a line segment L3 indicating the position where the belt 44 starts contact with the driving roller 41 is the central axis 41a of the driving roller 41 and FIG.
The case where the angle is opposite to that shown in FIGS. 4B and 4B is shown. In this case, the belt 44 is in the direction perpendicular to the line segment L3 indicated by the arrow A3, that is, in the direction having the opposite angle to the central axis 41a as shown in FIGS. 3B and 4B. Will move. Therefore, in this case, as the belt 44 moves, the distance between the center line 41a and the line segment L3, which is the direction perpendicular to the line segment L3, approaches the wider direction. In this case, a point c where one edge portion 44L of the belt 44 starts contact with the drive roller 41 is indicated by c.
【0036】このように、ベルト44の寄りは、ベルト
44が駆動ローラ41に最初に接する位置により変化す
る。なお、以上の説明において示したL1、L2、L3
は駆動ローラ41の表面に沿う線分であるから、厳密に
は中心線41aとの角度を観念することはできない。し
かしながら、説明の便宜上、各線分L1、L2、L3を
ベルト44の表面に正射影した線分と、中心線41aを
ベルト44の表面に正射影した線分とのなす角度をもっ
て、各線分L1、L2、L3と中心線41aとのなす角
とした。As described above, the deviation of the belt 44 changes depending on the position where the belt 44 first contacts the drive roller 41. Note that L1, L2, L3 shown in the above description
Since is a line segment along the surface of the drive roller 41, strictly speaking, the angle with the center line 41a cannot be considered. However, for convenience of description, each line segment L1, L2, and L3 has an angle formed by the line segment orthogonally projected on the surface of the belt 44 and the line segment orthogonally projected by the center line 41a on the surface of the belt 44. The angle is defined by L2 and L3 and the center line 41a.
【0037】以上より、ベルト44と駆動ローラ41と
が最初に接する位置を調整すれば、ベルト44の寄りを
矯正することができることがわかる。そこで、この装置
では係る性質を利用して上述のように駆動ローラ41と
オフセットベルト44の少なくとも一方の縁部とが接触
を開始する位置を調整することで、オフセットベルト4
4の寄りを矯正しているのである。すなわち、図3
(a)と図4(a)と示す状態で、トラッキングローラ
42の一端が支持されている場合は、ベルト44と駆動
ローラ41とは線分L1で最初に接し、ベルト44の一
方の縁部44Lと駆動ローラ41とは点aで最初に接す
る。この状態から、トラッキングローラ42を支持する
装置本体手前側の一端部を図3(b)に示す矢印B1方
向に移動させる。すると、図3(b)と図4(b)とに
示すように、ベルト44と駆動ローラ41とは線分L2
で最初に接し、ベルト44の一方の縁部44Lと駆動ロ
ーラ41とは点bで最初に接するようになる。From the above, it is understood that the deviation of the belt 44 can be corrected by adjusting the position where the belt 44 and the driving roller 41 first contact. Therefore, in this device, the offset belt 4 is adjusted by adjusting the position where the driving roller 41 and at least one of the edges of the offset belt 44 start contacting each other as described above by utilizing such a property.
Correcting the deviation of 4. That is, FIG.
In the state shown in FIGS. 4A and 4A, when one end of the tracking roller 42 is supported, the belt 44 and the driving roller 41 first come into contact with each other at the line segment L1 and one edge portion of the belt 44. 44L and the drive roller 41 first contact at a point a. From this state, one end on the front side of the apparatus main body that supports the tracking roller 42 is moved in the direction of arrow B1 shown in FIG. 3B. Then, as shown in FIGS. 3B and 4B, the belt 44 and the driving roller 41 are separated by the line segment L2.
First, the edge 44L of the belt 44 and the driving roller 41 first come into contact with each other at a point b.
【0038】また、図3(a)と図4(a)と示す状態
から、トラッキングローラ42を支持する一端部を図3
(c)に示す矢印B2方向に移動させると、図3(c)
と図4(c)とに示すように、ベルト44と駆動ローラ
41とは線分L3で最初に接し、ベルト44の一方の縁
部44Lと駆動ローラ41とは点cで最初に接するよう
になる。そこで、この方法で、ベルト44と駆動ローラ
41とが最初に接する位置を調整し、ベルト44の寄り
を矯正しているのである。From the state shown in FIGS. 3A and 4A, one end portion for supporting the tracking roller 42 is shown in FIG.
When moved in the direction of arrow B2 shown in (c), FIG.
As shown in FIG. 4C, the belt 44 and the driving roller 41 first contact at the line segment L3, and one edge 44L of the belt 44 and the driving roller 41 first contact at the point c. Become. Therefore, with this method, the position where the belt 44 and the drive roller 41 first contact each other is adjusted to correct the deviation of the belt 44.
【0039】以上のように、この装置では、ベルト44
と駆動ローラ41とが最初に接する位置を調整すること
でベルト44の寄りを矯正することができる。しかしな
がら、この方法でベルト44の寄りを防止した場合、ベ
ルト44に波打が生じたり、皺が生じたり、ベルト44
が切断されたりといった各種弊害が生じてしまうことが
ある。これは、ベルト44が、各支持部材としての駆動
ローラ41、トラッキングローラ42、及び加熱用ブロ
ック43の間で、寄り矯正動作中において角度を有した
状態で斜めにズレた状態で支持されることに起因する。
そこで、この装置においては、支持部材のうち駆動ロー
ラ41以外のもの、すなわちトラッキングローラ42と
加熱用ブロック43のベルト44に接する部分の摩擦係
数を駆動ローラの摩擦係数よりも小さくなるようにし
て、その値が十分に小さくなるようにしている。これに
より、寄り矯正動作中にたとえベルト44が斜めにズレ
て支持される状態となっても、ベルト44が駆動ローラ
41ないしはトラッキングローラ42上においてベルト
44の移動方向と垂直な方向に良好に摺動し、移動する
ことで係る状態が長時間継続することがなくなる。よっ
て、ベルト44が斜めに支持されることに起因する上記
各弊害が減少または解消する。As described above, in this device, the belt 44
The deviation of the belt 44 can be corrected by adjusting the position where the drive roller 41 and the drive roller 41 first come into contact with each other. However, when the deviation of the belt 44 is prevented by this method, the belt 44 is wavy, wrinkled, or
There may be various adverse effects such as disconnection of the. This is because the belt 44 is supported between the drive roller 41, the tracking roller 42, and the heating block 43, which are supporting members, while being obliquely displaced while having an angle during the deviation correcting operation. caused by.
Therefore, in this device, the friction coefficient of the support member other than the drive roller 41, that is, the portion of the tracking block 42 and the heating block 43 in contact with the belt 44 is set to be smaller than the friction coefficient of the drive roller. The value is set to be sufficiently small. As a result, even if the belt 44 is obliquely displaced and supported during the deviation correcting operation, the belt 44 is satisfactorily slid on the drive roller 41 or the tracking roller 42 in the direction perpendicular to the moving direction of the belt 44. By moving and moving, such a state does not continue for a long time. Therefore, each of the above-mentioned adverse effects resulting from the diagonal support of the belt 44 is reduced or eliminated.
【0040】ここで、トラッキングローラ42と加熱用
ブロック43のベルト44に接する部分の摩擦係数を低
くするには、各部材を金属やフッ素樹脂等の低摩擦係数
の材料で形成したり、各部の表面を低摩擦係数の材料で
コーティングしたりすれば良い。なお、駆動ローラ41
のベルト44に接する部分の摩擦係数を他の支持部材よ
りも大きくするのは、駆動ローラ41からベルト44へ
の回転駆動力の伝達が良好に行なわれるようにするため
である。具体的には、駆動ローラ44の表面をゴム等の
駆動伝達に十分な摩擦係数を有する材料で構成すれば良
い。Here, in order to lower the friction coefficient of the portion in contact with the belt 44 of the tracking roller 42 and the heating block 43, each member is formed of a material having a low friction coefficient such as metal or fluororesin, or each portion is The surface may be coated with a material having a low coefficient of friction. The drive roller 41
The reason why the friction coefficient of the portion contacting the belt 44 is made larger than that of the other supporting members is that the rotational driving force can be favorably transmitted from the driving roller 41 to the belt 44. Specifically, the surface of the drive roller 44 may be made of a material such as rubber having a sufficient friction coefficient for drive transmission.
【0041】もっとも、駆動ローラ41からベルト44
への回転駆動力の伝達が良好に行なわれるようにするた
めには、駆動ローラ41の軸回転方向、すなわちベルト
44の移動方向における摩擦係数のみを高くすればよ
く、該移動方向と垂直な方向摩擦係数は高くする必要は
ない。むしろ駆動ローラ41のベルト44の移動方向と
垂直な方向の摩擦係数は、ベルト44が斜めにズレて支
持される状態が継続する時間を短くしベルト44の波打
ち等をより良好に防止するために、低くした方が望まし
い。そこで、駆動ローラ41として、図5に示すように
軸方向に溝加工を施したものを用いて、その摩擦係数が
ベルト44の移動方向においては該ベルトに回転駆動力
を伝達するための摩擦係数を確保しつつ、該移動方向と
垂直な方向における摩擦係数を低くおさえて該方向にお
けるベルト44の摺動が良好に行なわれるようにしても
良い。また、駆動ローラ41以外の支持部材、すなわち
トラッキングローラ42と加熱用ブロック43にも、駆
動ローラ41と同様にベルト44の移動方向と垂直な溝
を設けても良い。係る溝を設ければ、ベルト44の摺動
が良好になされるようになる。However, from the drive roller 41 to the belt 44
In order to favorably transmit the rotational driving force to the drive roller 41, only the friction coefficient in the axial rotation direction of the drive roller 41, that is, the moving direction of the belt 44 needs to be increased. The coefficient of friction does not have to be high. Rather, the friction coefficient of the driving roller 41 in the direction perpendicular to the moving direction of the belt 44 is set in order to shorten the time during which the state in which the belt 44 is obliquely displaced and supported is continued, and to prevent the waving of the belt 44 more effectively. It is better to lower it. Therefore, as the driving roller 41, one that is grooved in the axial direction as shown in FIG. 5 is used, and its friction coefficient in the moving direction of the belt 44 is a friction coefficient for transmitting the rotational driving force to the belt. While ensuring the above, the friction coefficient in the direction perpendicular to the moving direction may be suppressed so that the belt 44 slides well in the direction. Further, similar to the driving roller 41, grooves other than the driving roller 41, that is, the tracking roller 42 and the heating block 43, may be provided with a groove perpendicular to the moving direction of the belt 44. The provision of such grooves allows the belt 44 to slide smoothly.
【0042】また、ベルト44が斜めにズレて支持され
る状態が継続する時間を短くするには、以上のようにト
ラッキングローラ42等の支持部材の摩擦係数を低くす
ることに代えて、ベルト44における該ベルトの移動方
向と垂直な方向における摩擦係数を低くしても良い。も
っともこの場合は、駆動ローラ41からベルト44への
回転駆動力の伝達が良好に行なわれるようにするため
に、ベルト44の駆動ローラ41の軸回転方向、すなわ
ちベルト44の移動方向における摩擦係数は十分な高さ
を有している必要がある。係る要求を満たすベルト44
としては、図6に示すように、トラッキングローラ42
等の支持部材に接触する側の面に、該ベルトの移動方向
と垂直な溝加工を施したものが挙げられる。Further, in order to shorten the time for which the state in which the belt 44 is obliquely displaced and supported is shortened, instead of lowering the friction coefficient of the supporting member such as the tracking roller 42 as described above, the belt 44 is The friction coefficient in the direction perpendicular to the moving direction of the belt may be reduced. However, in this case, in order to ensure good transmission of the rotational driving force from the driving roller 41 to the belt 44, the friction coefficient of the belt 44 in the axial rotation direction of the driving roller 41, that is, the moving direction of the belt 44 is It must have sufficient height. Belt 44 that meets the requirements
As shown in FIG. 6, the tracking roller 42
And the like, whose surface on the side in contact with the supporting member is grooved perpendicular to the moving direction of the belt.
【0043】[0043]
【発明の効果】請求項1の発明によれば、駆動ローラの
摩擦係数と駆動ローラ以外の支持部材の摩擦係数を同じ
にした場合と比較して、無端ベルト状の剥離部材(以
下、剥離ベルトという)の移動が支持部材間を伝達され
る最中において、剥離ベルトが迅速に移動するようにな
る。よって、該剥離ベルトが支持部材間に斜めにズレて
支持される状態となる時間が短くなり、該剥離ベルトの
波打ちや皺の発生が起こりにくくなる。これにより、剥
離ベルトの波打ちや皺の発生に起因する像形成物質の除
去不良が発生しにくくなり、良好な像形成物質の除去が
実現される。また、剥離ベルトの波打ちや皺が生じた部
分が加圧されて折り目が生じにくくなくなり、この折り
目からの剥離ベルトの切断が生じにくくなる。According to the invention of claim 1, as compared with the case where the friction coefficient of the driving roller and the friction coefficient of the supporting member other than the driving roller are the same, an endless belt-shaped peeling member (hereinafter, peeling belt). That is, the peeling belt rapidly moves while the movement of (4) is transmitted between the support members. Therefore, the time period in which the peeling belt is obliquely displaced and supported between the supporting members is shortened, and the occurrence of waviness and wrinkles of the peeling belt is less likely to occur. As a result, defective removal of the image-forming substance due to waviness of the peeling belt or generation of wrinkles is less likely to occur, and good removal of the image-forming substance is realized. Further, the portion of the peeling belt where the wavy or wrinkled portions are pressed is less likely to cause a fold, and the peeling belt is less likely to be cut from the fold.
【0044】請求項2の発明によれば、支持部材におけ
る無端ベルト状の剥離部材(以下、剥離ベルトという)
の無端移動方向の摩擦係数と該無端移動方向と垂直な方
向の摩擦係数とを同じにした場合と比較して、剥離ベル
トの移動が迅速になされる様になる。よって、該剥離ベ
ルトが支持部材間に斜めにズレて支持される状態となる
時間が短くなり、該剥離ベルトの波打ちや皺の発生がお
こりにくくなる。これにより、剥離ベルトの波打ちや皺
の発生に起因する像形成物質の除去不良が発生しにくく
なり、良好な像形成物質の除去が実現される。また、剥
離ベルトの波打ちや皺が生じた部分が加圧されて折り目
が生じにくくなくなり、この折り目からの剥離ベルトの
切断が生じにくくなる。According to the invention of claim 2, an endless belt-shaped peeling member (hereinafter referred to as a peeling belt) in the supporting member.
Compared with the case where the friction coefficient in the endless movement direction and the friction coefficient in the direction perpendicular to the endless movement direction are the same, the peeling belt can be moved quickly. Therefore, the time during which the peeling belt is in a state of being diagonally displaced and supported between the supporting members is shortened, and the occurrence of waviness and wrinkling of the peeling belt is less likely to occur. As a result, defective removal of the image-forming substance due to waviness of the peeling belt or generation of wrinkles is less likely to occur, and good removal of the image-forming substance is realized. Further, the portion of the peeling belt where the wavy or wrinkled portions are pressed is less likely to cause a fold, and the peeling belt is less likely to be cut from the fold.
【0045】請求項3の発明によれば、無端ベルト状の
剥離部材(以下、剥離ベルトという)の無端移動方向の
摩擦係数と該無端移動方向と垂直な方向の摩擦係数とを
同じにした場合と比較して、剥離ベルトの移動が迅速に
なされる様になる。よって、該剥離ベルトが支持部材間
に斜めにズレて支持される状態となる時間が短くなり、
該剥離ベルトの波打ちや皺の発生が起こりにくくなる。
これにより、剥離ベルトの波打ちや皺の発生に起因する
像形成物質の除去不良が発生しにくくなり、良好な像形
成物質の除去が実現される。また、剥離ベルトの波打ち
や皺が生じた部分が加圧されて折り目が生じにくくなく
なり、この折り目からの剥離ベルトの切断が生じにくく
なる。According to the third aspect of the invention, in the case where the friction coefficient in the endless moving direction of the endless belt-shaped peeling member (hereinafter referred to as the peeling belt) is the same as the friction coefficient in the direction perpendicular to the endless moving direction. Compared with, the peeling belt can be moved quickly. Therefore, the time during which the peeling belt is obliquely displaced and supported between the supporting members is shortened,
Rippling and wrinkling of the peeling belt are less likely to occur.
As a result, defective removal of the image-forming substance due to waviness of the peeling belt or generation of wrinkles is less likely to occur, and good removal of the image-forming substance is realized. Further, the portion of the peeling belt where the wavy or wrinkled portions are pressed is less likely to cause a fold, and the peeling belt is less likely to be cut from the fold.
【0046】また、請求項3の発明によれば、剥離ベル
トの無端移動方向においては十分な摩擦係数を確保で
き、駆動ローラからの回転駆動力が剥離ベルトに良好に
伝達され、このことも良好な像形成物質除去の実現に寄
与することになる。According to the invention of claim 3, a sufficient friction coefficient can be secured in the endless movement direction of the peeling belt, and the rotational driving force from the driving roller is satisfactorily transmitted to the peeling belt, which is also good. It contributes to the realization of the removal of various image forming substances.
【図1】実施形態に係るトナー除去装置の概略構成を示
す正面図。FIG. 1 is a front view illustrating a schematic configuration of a toner removing device according to an embodiment.
【図2】同トナー除去装置の要部を示す正面図。FIG. 2 is a front view showing a main part of the toner removing device.
【図3】(a)から(c)は同トナー除去装置が備える
ベルトと駆動ローラとが接触を開始する位置を正面から
示す説明図。3A to 3C are explanatory views showing from the front a position where a belt and a driving roller included in the toner removing device start contact with each other.
【図4】(a)から(c)は同トナー除去装置が備える
ベルトと駆動ローラとが接触を開始する位置を底面から
示す説明図。FIGS. 4A to 4C are explanatory views showing from a bottom surface a position where a belt and a driving roller included in the toner removing device start contacting each other.
【図5】同トナー除去装置が備える駆動ローラの変形例
を示す斜視図。FIG. 5 is a perspective view showing a modified example of a drive roller included in the toner removing device.
【図6】同トナー除去装置が備えるオフセットベルトの
変形例を示す斜視図。FIG. 6 is a perspective view showing a modified example of an offset belt included in the toner removing device.
10 転写紙 24 給紙搬送ローラ対 30 液供給ユニット 31 液 32 液容器 33 塗布ローラ 34 規制ローラ 40 トナー除去ユニット 41 駆動ローラ 42 トラッキングローラ 43 加熱用ブロック 44 オフセットベルト 45 加熱用ブロック 46 加熱ローラ 50 回転ブラシ 51 ブレード 52 ユニットケーシング 60 乾燥ユニット 61 加熱ドラム 62 支持ローラ 63 紙押圧用ベルト 70 上ガイド板 71 下ガイド板 80 拭き取りローラ 91 アーム 92 軸 93 アクチュエータ 10 Transfer Paper 24 Paper Feeding Conveyor Pair 30 Liquid Supply Unit 31 Liquid 32 Liquid Container 33 Application Roller 34 Regulation Roller 40 Toner Removal Unit 41 Drive Roller 42 Tracking Roller 43 Heating Block 44 Offset Belt 45 Heating Block 46 Heating Roller 50 Rotation Brush 51 Blade 52 Unit casing 60 Drying unit 61 Heating drum 62 Support roller 63 Paper pressing belt 70 Upper guide plate 71 Lower guide plate 80 Wiping roller 91 Arm 92 Shaft 93 Actuator
Claims (3)
して、該表面と該像形成物質との付着力よりも該像形成
物質に対して大きい付着力を発揮しうる無端ベルト状の
剥離部材を加圧接触させた後に、該シート表面と該剥離
部材とを分離させて該像形成物質を該シート表面から剥
離する剥離装置と、 前記無端ベルト状の剥離部材を前記シート表面と接触す
る領域を含む閉じた経路内で無端移動可能に支持する複
数の支持部材と、 前記支持部材のうちの少なくとも一つの支持部材からな
る駆動ローラと、 前記駆動ローラに回転駆動力を伝達し、前記シートを前
記無端移動させる駆動源と、 前記駆動ローラと、前記無端ベルト状の剥離部材の少な
くとも一方の縁部とが接触を開始する位置を調整する接
触位置調整手段と、 を備えた像形成物質除去装置であって、 前記複数の支持部材のうちの前記駆動ローラ以外の支持
部材における前記無端ベルト状の剥離部材に接する部分
の摩擦係数を、該駆動ローラにおける該無端ベルト状の
剥離部材に接する部分の摩擦係数よりも低くすることを
特徴とする像形成物質除去装置。1. An endless belt shape capable of exerting a larger adhesive force on an image forming substance adhered to a surface of a sheet than on the surface of the sheet and the image forming substance. A peeling device that separates the sheet surface and the peeling member after the peeling member is brought into pressure contact to peel the image forming substance from the sheet surface, and the endless belt-shaped peeling member is brought into contact with the sheet surface. A plurality of support members that support endlessly movable in a closed path including a region, a drive roller that includes at least one support member of the support members, and a rotational drive force is transmitted to the drive roller, An image forming substance comprising: a drive source for moving the sheet endlessly; a contact position adjusting unit for adjusting a position where the drive roller and at least one edge of the endless belt-shaped peeling member start contacting each other. In the removing device, a friction coefficient of a portion of the support members other than the drive roller, which is in contact with the endless belt-shaped peeling member, of the plurality of support members is in contact with the endless belt-shaped peeling member of the drive roller. An image forming substance removing device characterized in that the friction coefficient is lower than that of a part.
して、該表面と該像形成物質との付着力よりも該像形成
物質に対して大きい付着力を発揮しうる無端ベルト状の
剥離部材を加圧接触させた後に、該シート表面と該剥離
部材とを分離させて該像形成物質を該シート表面から剥
離する剥離装置と、 前記無端ベルト状の剥離部材を前記シート表面と接触す
る領域を含む閉じた経路内で無端移動可能に支持する複
数の支持部材と、 前記支持部材のうちの少なくとも一つの支持部材からな
る駆動ローラと、 前記駆動ローラに回転駆動力を伝達し、前記シートを前
記無端移動させる駆動源と、 前記駆動ローラと、前記無端ベルト状の剥離部材の少な
くとも一方の縁部とが接触を開始する位置を調整する接
触位置調整手段と、 を備えた像形成物質除去装置であって、 前記複数の支持部材の前記無端ベルト状の剥離部材に接
する部分における、該剥離部材の無端移動方向と垂直な
方向の摩擦係数を、該部分における該無端移動方向の摩
擦係数よりも低くすることを特徴とする像形成物質除去
装置。2. An endless belt shape capable of exerting a larger adhesive force on an image forming substance attached to the surface of a sheet than on the surface of the sheet and the image forming substance. A peeling device that separates the sheet surface and the peeling member after the peeling member is brought into pressure contact to peel the image forming substance from the sheet surface, and the endless belt-shaped peeling member is brought into contact with the sheet surface. A plurality of support members that support endlessly movable in a closed path including a region, a drive roller that includes at least one support member of the support members, and a rotational drive force is transmitted to the drive roller, An image forming substance comprising: a drive source for moving the sheet endlessly; a contact position adjusting unit for adjusting a position where the drive roller and at least one edge of the endless belt-shaped peeling member start contacting each other. In the removing device, the friction coefficient in the direction perpendicular to the endless moving direction of the peeling member in the portion of the plurality of supporting members that contacts the endless belt-shaped peeling member is the friction coefficient in the endless moving direction in the portion. An image forming substance removing device characterized by being made lower than the above.
して、該表面と該像形成物質との付着力よりも該像形成
物質に対して大きい付着力を発揮しうる無端ベルト状の
剥離部材を加圧接触させた後に、該シート表面と該剥離
部材とを分離させて該像形成物質を該シート表面から剥
離する剥離装置と、 前記無端ベルト状の剥離部材を前記シート表面と接触す
る領域を含む閉じた経路内で無端移動可能に支持する複
数の支持部材と、 前記支持部材のうちの少なくとも一つの支持部材からな
る駆動ローラと、 前記駆動ローラに回転駆動力を伝達し、前記シートを前
記無端移動させる駆動源と、 前記駆動ローラと、前記無端ベルト状の剥離部材の少な
くとも一方の縁部とが接触を開始する位置を調整する接
触位置調整手段と、 を備えた像形成物質除去装置であって、 前記無端ベルト状の剥離部材の前記複数の支持部材に接
する側の面における、該剥離部材の無端移動方向と垂直
な方向の摩擦係数を、該面における該無端移動方向の摩
擦係数よりも低くすることを特徴とする像形成物質除去
装置。3. An endless belt shape capable of exerting a larger adhesive force on an image forming substance attached to a surface of a sheet than on the surface of the sheet and the image forming substance. A peeling device that separates the sheet surface and the peeling member after the peeling member is brought into pressure contact to peel the image forming substance from the sheet surface, and the endless belt-shaped peeling member is brought into contact with the sheet surface. A plurality of support members that support endlessly movable in a closed path including a region, a drive roller that includes at least one support member of the support members, and a rotational drive force is transmitted to the drive roller, An image forming substance comprising: a drive source for moving the sheet endlessly; a contact position adjusting unit for adjusting a position where the drive roller and at least one edge of the endless belt-shaped peeling member start contacting each other. In the removal device, the friction coefficient in the direction perpendicular to the endless moving direction of the peeling member on the surface of the endless belt-shaped peeling member that is in contact with the plurality of supporting members is the endless moving direction of the surface. An image-forming substance removing device characterized by having a friction coefficient lower than that.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24076795A JPH0962154A (en) | 1995-08-25 | 1995-08-25 | Image forming substance removing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24076795A JPH0962154A (en) | 1995-08-25 | 1995-08-25 | Image forming substance removing device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0962154A true JPH0962154A (en) | 1997-03-07 |
Family
ID=17064415
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP24076795A Withdrawn JPH0962154A (en) | 1995-08-25 | 1995-08-25 | Image forming substance removing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0962154A (en) |
-
1995
- 1995-08-25 JP JP24076795A patent/JPH0962154A/en not_active Withdrawn
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5534063A (en) | Apparatus for removing image forming substance from sheet and sheet processing apparatus | |
JPH0830153A (en) | Method for image forming material removing from image holding body and device therefor | |
JP2003122179A (en) | Fixing device and image forming apparatus | |
JPH0962154A (en) | Image forming substance removing device | |
JPH08137351A (en) | Image forming material removing device | |
JP3248308B2 (en) | Method and apparatus for removing image forming substance from sheet material | |
JP2879309B2 (en) | Method and apparatus for removing image forming substance from image carrier | |
JP3243587B2 (en) | Apparatus for removing image forming substance from sheet material provided with drying means and sheet material processing apparatus | |
JP3171573B2 (en) | Apparatus for removing image forming substance from image carrier | |
JP2764117B2 (en) | Apparatus for removing image forming substance from image carrier | |
JPH0736337A (en) | Image forming material removing device from sheet material provided with perpendicular pressure means | |
JP2002287553A (en) | Fixing device | |
JP3264572B2 (en) | Apparatus for removing image forming substance from image carrier | |
JP2741012B2 (en) | Apparatus for removing image forming substance from sheet material using liquid supply member and sheet material processing apparatus | |
JP3269710B2 (en) | Image forming substance removing apparatus from sheet material using liquid supply member | |
JP3418237B2 (en) | Method and apparatus for removing image forming substance from image carrier, and papermaking direction detecting apparatus | |
JP3299604B2 (en) | Apparatus for removing image forming substance from sheet material and sheet material processing apparatus | |
JP3269711B2 (en) | Apparatus for removing image forming substance from sheet material provided with clamping and conveying means | |
JPH08115015A (en) | Image forming material removing device | |
JP3273833B2 (en) | Image forming substance removing apparatus from sheet material provided with liquid supply means | |
JPH07237775A (en) | Device for removing image forming substance from recording sheet and sheet processing device | |
JPH08137349A (en) | Image forming material removing device | |
JPH09197926A (en) | Device for removing image forming material from image holding body | |
JPH08137352A (en) | Image forming material removing device | |
JPH10240090A (en) | Device for removing image forming material from image holder |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20021105 |