JPS63271382A - Fixing device - Google Patents
Fixing deviceInfo
- Publication number
- JPS63271382A JPS63271382A JP10680487A JP10680487A JPS63271382A JP S63271382 A JPS63271382 A JP S63271382A JP 10680487 A JP10680487 A JP 10680487A JP 10680487 A JP10680487 A JP 10680487A JP S63271382 A JPS63271382 A JP S63271382A
- Authority
- JP
- Japan
- Prior art keywords
- fixed
- fixing
- guide member
- paper
- fixing device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000037303 wrinkles Effects 0.000 abstract description 8
- QDZOEBFLNHCSSF-PFFBOGFISA-N (2S)-2-[[(2R)-2-[[(2S)-1-[(2S)-6-amino-2-[[(2S)-1-[(2R)-2-amino-5-carbamimidamidopentanoyl]pyrrolidine-2-carbonyl]amino]hexanoyl]pyrrolidine-2-carbonyl]amino]-3-(1H-indol-3-yl)propanoyl]amino]-N-[(2R)-1-[[(2S)-1-[[(2R)-1-[[(2S)-1-[[(2S)-1-amino-4-methyl-1-oxopentan-2-yl]amino]-4-methyl-1-oxopentan-2-yl]amino]-3-(1H-indol-3-yl)-1-oxopropan-2-yl]amino]-1-oxo-3-phenylpropan-2-yl]amino]-3-(1H-indol-3-yl)-1-oxopropan-2-yl]pentanediamide Chemical compound C([C@@H](C(=O)N[C@H](CC=1C2=CC=CC=C2NC=1)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC(C)C)C(N)=O)NC(=O)[C@@H](CC=1C2=CC=CC=C2NC=1)NC(=O)[C@H](CCC(N)=O)NC(=O)[C@@H](CC=1C2=CC=CC=C2NC=1)NC(=O)[C@H]1N(CCC1)C(=O)[C@H](CCCCN)NC(=O)[C@H]1N(CCC1)C(=O)[C@H](N)CCCNC(N)=N)C1=CC=CC=C1 QDZOEBFLNHCSSF-PFFBOGFISA-N 0.000 abstract 2
- 102100024304 Protachykinin-1 Human genes 0.000 abstract 2
- 101800003906 Substance P Proteins 0.000 abstract 2
- 239000000126 substance Substances 0.000 abstract 2
- ADNPLDHMAVUMIW-CUZNLEPHSA-N substance P Chemical compound C([C@@H](C(=O)NCC(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCSC)C(N)=O)NC(=O)[C@H](CC=1C=CC=CC=1)NC(=O)[C@H](CCC(N)=O)NC(=O)[C@H](CCC(N)=O)NC(=O)[C@H]1N(CCC1)C(=O)[C@H](CCCCN)NC(=O)[C@H]1N(CCC1)C(=O)[C@@H](N)CCCN=C(N)N)C1=CC=CC=C1 ADNPLDHMAVUMIW-CUZNLEPHSA-N 0.000 abstract 1
- 108091008695 photoreceptors Proteins 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Advancing Webs (AREA)
- Fixing For Electrophotography (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
- Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
- Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
Abstract
Description
【発明の詳細な説明】
［発明の目的］
（産業上の利用分野）
本発明は、例えば乾式電子複写機やプリント等の画像形
成装置に装備される定着装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a fixing device installed in an image forming apparatus such as a dry type electronic copying machine or a printer.
（従来の技術）
一般に、例えば加熱ローラ式定着装置は、現像剤の像が
転写された被定着物である記録用紙を加熱された定着ロ
ーラと加圧ローラとの間の定着部に搬送して、現像剤の
像を記録用紙上に加熱融着により定着させるとともに、
定着後の記録用紙を剥離手段を介して剥離して排紙ロー
ラ側に搬送して排紙している。(Prior Art) Generally, for example, a heated roller type fixing device conveys a recording sheet, which is an object to be fixed, onto which a developer image has been transferred, to a fixing section between a heated fixing roller and a pressure roller. , fixing the image of the developer onto the recording paper by heat fusing,
After fixing, the recording paper is peeled off via a peeling means and conveyed to the paper ejection roller side for ejection.
従来、この種の定着装置においては１例えば実開昭５５
−１２３９５５号公報、実公昭６０−９８０６号公報あ
るいは実公昭６０−１４２８４号などに開示されている
ように、定着ローラと加圧ローラとの間の定着部の入口
側にガイド部材を設けるとともに、このガイド部材のガ
イド面を山形の曲面に形成して、記録用紙のシワの発生
を防止し得るようにしてなる楕成を有するものがある。Conventionally, in this type of fixing device, 1, for example,
As disclosed in Japanese Utility Model Publication No. 123955, Japanese Utility Model Publication No. 60-9806, or Japanese Utility Model Publication No. 60-14284, a guide member is provided on the entrance side of the fixing section between the fixing roller and the pressure roller, and Some guide members have an elliptical guide surface formed into a chevron-shaped curved surface to prevent wrinkles from forming on the recording paper.
（発明が解決しようとする問題点）
しかしながら、このような従来構造の定着装置、特に、
ガイド部材のガイド面の形状にあっては。(Problems to be Solved by the Invention) However, such a fixing device with a conventional structure, in particular,
Regarding the shape of the guide surface of the guide member.
記録用紙の進入先端部が搬送方向にカールしていると、
記録用紙の自重のみでは、記録用紙の進入先端部をガイ
ド部材のガイド面に沿って確実に案内することが困難な
場合が多く、特に、１枚の記録用紙の同面または表裏両
面に、例えば２回の定着（複写）を行なう際、既に１回
目の定着で記録用紙の進入先端部のカールが大きくなり
、これによって、定着ローラと加圧ローラとの間の定着
部でジャム（ＪＡＭ）や紙シワが発生し易く、複写後の
品質を低下させるといった問題があった。If the leading edge of the recording paper is curled in the transport direction,
It is often difficult to reliably guide the leading edge of the recording paper along the guide surface of the guide member using only the weight of the recording paper. When fusing (copying) is performed twice, the first fusing has already caused a large curl at the leading edge of the recording paper, which can cause jams (JAMs) at the fusing section between the fusing roller and the pressure roller. There was a problem in that paper wrinkles were likely to occur and the quality after copying was degraded.
本発明は、上記の事情のもとになされたもので、その目
的とするところは、簡単な構造で被定着物を定着部に確
実に案内して搬送方向の紙シワの発生を防止するととも
に、複写後の品質を向上させることができるようにした
定着装置を提供することにある。The present invention has been made under the above circumstances, and an object thereof is to reliably guide a fixing object to a fixing section with a simple structure and prevent the occurrence of paper wrinkles in the conveying direction. Another object of the present invention is to provide a fixing device that can improve the quality after copying.
［発明の構成］ （問題点を解決するための手段） 上記した問題点を解決するために、本発明は。[Structure of the invention] (Means for solving problems) In order to solve the above-mentioned problems, the present invention has been made.
、７定着ローラと加圧ローラとの間の定着部に被定着物
を進入搬送させて熱定着させるとともに、前記被定着物
をガイド部材を介して定着部に案内搬送させてなる定着
装置において、前記ガイド部材のガイド面に、被定着物
の進入先端部を山形に持ち上がらせるように吸引する吸
引手段を設けてなる構成としたものである。, 7 A fixing device in which an object to be fixed enters and is conveyed to a fixing section between a fixing roller and a pressure roller and is thermally fixed, and the object to be fixed is guided and conveyed to the fixing section via a guide member, The guide surface of the guide member is provided with a suction means for suctioning the leading end of the object to be fixed so as to lift it into a chevron shape.
（作 用）
すなわち、本発明は、上記の構成とすることによって、
ガイド部材のガイド面に設けた吸引手段で被定着物の進
入先端部を山形に持ち上がらせるようにしたことから、
カールして搬送する被定着物の進入先端部を矯正させる
ことができるため。(Function) That is, by having the above configuration, the present invention has the following features:
Since the suction means provided on the guide surface of the guide member lifts the leading end of the object to be fixed into a chevron shape,
This is because it is possible to straighten the leading edge of the curled object to be fixed.
被定着物の進入先端部を定着ローラと加圧ローラとの間
の定着部に確実に案内搬送することができ、これによっ
て、定着部での搬送方向の紙シワの発生を防止できると
ともに、複写後の品質を向上させることが可能になる。The leading edge of the object to be fixed can be reliably guided and conveyed to the fixing section between the fixing roller and the pressure roller, thereby preventing paper wrinkles in the conveyance direction at the fixing section and preventing copying. It becomes possible to improve the subsequent quality.
（実 施 例）
以下、本発明の一実施例を図面を参照しながら′發細に
°°ｂ明する。(Embodiment) Hereinafter, one embodiment of the present invention will be explained in detail with reference to the drawings.
第１図は本発明に係る定着装置が装備された画像形成装
置である電子複写機の全体構成を概略的に示すもので、
この電子複写機は、装置本体１内のほぼ中央部に回動自
在に軸支された感光体ドラム２を設け、この感光体ドラ
ム２を、帯電チャージャ３によって一様に帯電させるよ
うになっているとともに、透明ガラスからなる原稿台４
に載置された図示しない原稿画像を露光ランプ５ａ、第
１、第２、第３の反射ミラー５ｂ、５ｃ、５ｄ。FIG. 1 schematically shows the overall configuration of an electronic copying machine, which is an image forming apparatus equipped with a fixing device according to the present invention.
This electronic copying machine is provided with a photoreceptor drum 2 rotatably supported approximately at the center of the apparatus main body 1, and the photoreceptor drum 2 is uniformly charged by a charging charger 3. In addition, there is a document table 4 made of transparent glass.
An unillustrated original image placed on the exposure lamp 5a, and first, second, and third reflecting mirrors 5b, 5c, and 5d.
レンズ５ｅ及び第４の反射ミラー５ｆからなる光学系５
を介して感光体ドラム２上に結像させて静電潜像を形成
し、この静電潜像に現像器６により現像剤を付着して現
像し、転写チャージャ７側に送り込んでなる一方、この
転写チャージャ７で、自動もしくは手差し給紙される給
紙カセット８から給紙ローラ９及びレジストローラ対１
０．１０を介して送り込まれる記録紙としての普通紙か
らなるコピー用紙Ｐ上にトナー像Ｔを転写し、ＡＣコロ
ナ放電による剥離チャージャ１１により剥離Ｖ）れ為ｌ
′うになっている。Optical system 5 consisting of lens 5e and fourth reflection mirror 5f
An electrostatic latent image is formed by forming an image on the photoreceptor drum 2 via a developing device 6, and a developer is applied to the electrostatic latent image to develop it, and the image is sent to the transfer charger 7 side. In this transfer charger 7, a paper feed roller 9 and a pair of registration rollers 1 are fed from a paper feed cassette 8, which is automatically or manually fed.
A toner image T is transferred onto a copy paper P made of plain paper as a recording paper fed through a 0.10 mm, and is peeled off by a peeling charger 11 using an AC corona discharge.
'It's turning.
このように、上記コピー用紙Ｐへの現像画像の転写、剥
離後の感光体ドラム２上に残留した現像剤は、清掃装置
１２により清掃され、除電ランプ１３により感光体ドラ
ム２上の電位を一定のレベル以下にして、次のコピー動
作を可能な状態にしているもので、転写後のコピー用紙
Ｐは、前記感光体ドラム２上から剥離されて搬送路１４
を通して後述する本発明に係る定着装置１００に向は搬
送され、この定着装置１００によりトナー像Ｔを溶融定
着した後、上下一対の排出ローラ対１５．１６により排
紙トレイ１７上に排出されるようになっているものであ
る。In this way, the developer remaining on the photoreceptor drum 2 after the transfer and peeling off of the developed image onto the copy paper P is cleaned by the cleaning device 12, and the potential on the photoreceptor drum 2 is kept constant by the static elimination lamp 13. The copy paper P after the transfer is peeled off from the photosensitive drum 2 and transferred to the conveying path 14.
The toner image T is then conveyed to a fixing device 100 according to the present invention, which will be described later, and after the toner image T is melted and fixed by this fixing device 100, it is discharged onto a paper discharge tray 17 by a pair of upper and lower discharge rollers 15 and 16. This is what has become.
そして、上記した本発明の定着装置１００は、第２図か
ら第４図に示すように、搬送路１４上に搬送されてきた
記録用紙Ｐを、定着ローラ１０１と加圧ローラ１０２と
の間にガイド部材１０３を介して進入搬送させてなるも
のであり、このガイド部材１０３は、板金素材からなる
平坦なガイド面１０４を有し、その先端部を、前記定着
口−ラゝ′１０１と加圧ローラ１０２との間の定着部１
０５である接点にツブ点）に近接位置させてなる構成か
らなっている。As shown in FIGS. 2 to 4, the above-described fixing device 100 of the present invention transfers the recording paper P conveyed onto the conveyance path 14 between the fixing roller 101 and the pressure roller 102. The guide member 103 has a flat guide surface 104 made of a sheet metal material, and its tip is pressed against the fixing port line '101. Fixing section 1 between roller 102
05 is located close to the contact point (the prong point).
さらに、上記ガイド部材１０３の先端部側付近のガイド
面１０４には、吸引手段１０６を構成する多数の吸引口
１０７が貫通形成され、この吸引口１０７に対応する前
記ガイド部材１０３の下部には、吸引機１０８が設置さ
れている。Further, a large number of suction ports 107 constituting a suction means 106 are formed through the guide surface 104 near the tip end side of the guide member 103, and in the lower part of the guide member 103 corresponding to the suction ports 107, A suction machine 108 is installed.
すなわち、この吸引機１０８は、ファン１０９と左右一
対の吸引ノズル１１０．１１０を備え。That is, this suction device 108 includes a fan 109 and a pair of left and right suction nozzles 110 and 110.
搬送路１４上に搬送されてきた記録用紙Ｐがガイド部材
１０３のガイド面１０４上を摺動する際、搬送方向Ｘに
カールしている記録用紙Ｐの進入先端部の搬送方向Ｘと
直交する幅方向両端部を吸引し、これによって、記録用
紙Ｐの進入先端部、特に、その中央部が山形に持ち上が
るように矯正することにより、前記定着部１０５への噛
み込みを容易にしてなるもので、この場合、前記定着ロ
ーラ１０１には、８０〜２００μｍ程度の逆クラウンま
たはテーパが付けてあり、記録用紙Ｐの中央部より両端
部側の方の搬送速度が早くなるようにして、記録用紙Ｐ
の幅方向に引っ張り力が働くようにし、シワを引き延ば
すようになっているものである。When the recording paper P conveyed onto the conveyance path 14 slides on the guide surface 104 of the guide member 103, the width perpendicular to the conveyance direction X of the leading edge of the recording paper P curled in the conveyance direction X. By suctioning both ends of the recording paper P and correcting it so that the leading edge of the recording paper P, especially the center thereof, is lifted up into a chevron shape, it is made easier to get caught in the fixing unit 105. In this case, the fixing roller 101 is provided with an inverted crown or taper of about 80 to 200 μm, so that the conveyance speed of the recording paper P is faster at both ends than at the center of the recording paper P.
A tensile force is applied in the width direction of the fabric to smooth out wrinkles.
ところで、上記吸引手段１０６を構成する吸引機１０８
の吸引力は、少なくとも記録用紙Ｐの搬送を止めたり、
その搬送方向に対して記録用紙Ｐの撓み等が起こらない
程度の強さに設定調整されているものである。また、前
記吸引機１０８の位置を移動可能にして、紙サイズの検
知手段と組合せ連動させるようにすれば１種々の紙サイ
ズに適合させることができる。By the way, the suction machine 108 that constitutes the suction means 106
The suction force can at least stop the conveyance of the recording paper P,
The strength is set and adjusted to such an extent that the recording paper P does not bend in the transport direction. Furthermore, if the position of the suction device 108 is made movable and interlocked with a paper size detection means, it can be adapted to a variety of paper sizes.
なお、本発明は、上記の実施例には限定されないもので
あり、本発明の要旨を変えない範囲で種々変更施可能な
ことは勿論である。It should be noted that the present invention is not limited to the above embodiments, and it goes without saying that various changes can be made without departing from the gist of the present invention.
［発明の効果コ
以上の説明から明らかなように、本発明によれば、定着
ローラと加圧ローラとの間の定着部に被定着物を進入搬
送させて熱定着させるとともに、９記被定着物をガイド
部材を介して定着部に案内搬送させてなる定着装置にお
いて、前記ガイド部材のガイド面に、被定着物の進入先
端部を山形に持ち上がらせるように吸引する吸引手段を
設けてなる構成としたことから、この吸引手段による吸
引作用でカールして搬送する被定着物の進入先端部を矯
正させることができるため、被定着物の進入先端部を定
着ローラと加圧ローラとの間の定着部に確実に案内搬送
することができ、これによって、定着部での搬送方向の
紙シワの発生を防止できるとともに、複写後の品質を向
上させることができるというすぐれた効果を有する定着
装置を提供することができるものである。[Effects of the Invention] As is clear from the above description, according to the present invention, the object to be fixed enters and is conveyed to the fixing section between the fixing roller and the pressure roller and is thermally fixed. A fixing device that guides and conveys an object to a fixing section via a guide member, wherein a suction means is provided on the guide surface of the guide member to suck the advancing end of the object to be lifted up in a chevron shape. Therefore, it is possible to straighten the leading edge of the curled and conveyed object due to the suction action of the suction means, so that the leading edge of the curled object can be moved between the fixing roller and the pressure roller. The fixing device has the excellent effect of being able to reliably guide and convey the paper to the fixing section, thereby preventing the occurrence of paper wrinkles in the conveyance direction at the fixing section, and improving the quality after copying. It is something that can be provided.
第１図は本発明に係る定着装置を画像形成装置としての
電子複写機に装備した一実施例を示す概略的説明図、第
２図は同じく定着装置を側面側から見た状態を示す要部
拡大概略的断面図、第３図は同じく定着装置を搬送方向
上流側から見た状態の概略的正面図、第４図同じくガイ
ド部材の概略的平面図である。
１００・・・定着装置、
１０１・・・定着ローラ、
１０２・・・加圧ローラ、
１０３・・・ガイド部材、
１０４・・・ガイド面、
１０５・・・定着部。
１０６・・・吸引手段、 １０７・・・吸引口、１０８
・・・吸引機、１０９・・・ファン、１０９・・・吸引
ノズル、
Ｘ・・・搬送方向。
Ｐ・・・被定着物（記録用紙）。
出願人代理人 弁理士 鈴 江 武 彦第２図
第８図
イ０３
第４図FIG. 1 is a schematic explanatory diagram showing an embodiment in which a fixing device according to the present invention is installed in an electronic copying machine as an image forming device, and FIG. 2 is a main part showing the fixing device as seen from the side. FIG. 3 is a schematic front view of the fixing device viewed from the upstream side in the conveyance direction, and FIG. 4 is a schematic plan view of the guide member. DESCRIPTION OF SYMBOLS 100... Fixing device, 101... Fixing roller, 102... Pressure roller, 103... Guide member, 104... Guide surface, 105... Fixing part. 106... Suction means, 107... Suction port, 108
...Suction machine, 109...Fan, 109...Suction nozzle, X...Transportation direction. P: Object to be fixed (recording paper). Applicant's agent Patent attorney Takehiko Suzue Figure 2 Figure 8 I03 Figure 4
Claims (2)
物を進入搬送させて熱定着させるとともに、前記被定着
物をガイド部材を介して定着部に案内搬送させてなる定
着装置において、前記ガイド部材のガイド面に、被定着
物の進入先端部を山形に持ち上がらせるように吸引する
吸引手段を設けたことを特徴とする定着装置。(1) In a fixing device in which an object to be fixed enters and is conveyed to a fixing section between a fixing roller and a pressure roller and is thermally fixed, and the object to be fixed is guided and conveyed to the fixing section via a guide member. 2. A fixing device, characterized in that the guide surface of the guide member is provided with suction means for sucking the advancing end of the object to be fixed so as to lift it into a chevron shape.
向と直交する幅方向両端部を吸引させたことを特徴とす
る特許請求の範囲第１項に記載の定着装置。(2) The fixing device according to claim 1, wherein the suction means sucks both ends in the width direction perpendicular to the conveying direction of the leading end of the object to be fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10680487A JPS63271382A (en) | 1987-04-30 | 1987-04-30 | Fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10680487A JPS63271382A (en) | 1987-04-30 | 1987-04-30 | Fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63271382A true JPS63271382A (en) | 1988-11-09 |
Family
ID=14443045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10680487A Pending JPS63271382A (en) | 1987-04-30 | 1987-04-30 | Fixing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63271382A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH056471U (en) * | 1991-07-08 | 1993-01-29 | 富士ゼロツクス株式会社 | Paper transport device for image forming apparatus |
| JP2020203767A (en) * | 2019-06-18 | 2020-12-24 | 理想科学工業株式会社 | Transport device |
-
1987
- 1987-04-30 JP JP10680487A patent/JPS63271382A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH056471U (en) * | 1991-07-08 | 1993-01-29 | 富士ゼロツクス株式会社 | Paper transport device for image forming apparatus |
| JP2020203767A (en) * | 2019-06-18 | 2020-12-24 | 理想科学工業株式会社 | Transport device |
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