JP2013024893A5 - - Google Patents
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- JP2013024893A5 JP2013024893A5 JP2011156169A JP2011156169A JP2013024893A5 JP 2013024893 A5 JP2013024893 A5 JP 2013024893A5 JP 2011156169 A JP2011156169 A JP 2011156169A JP 2011156169 A JP2011156169 A JP 2011156169A JP 2013024893 A5 JP2013024893 A5 JP 2013024893A5
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- drive motor
- fixing
- fixing unit
- fixing device
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Description
すなわち、本発明の定着装置のうち、第１の本発明は、通紙される用紙上の画像を加熱・加圧して前記画像を用紙に定着させる定着装置において、
回転可能な第１の定着部と、前記第１の定着部とともに前記用紙が通紙されるニップ部を形成する、回転可能な第２の定着部と、
前記第１の定着部および前記第２の定着部の少なくとも一方を加熱する加熱部と、
前記第１の定着部または第２の定着部の温度を検知する温度検知部と、
前記第１の定着部を回転駆動する第１の駆動モータと、前記第２の定着部を回転駆動する第２の駆動モータと、
前記第１の駆動モータおよび前記第２の駆動モータをそれぞれ駆動制御する制御部と、を備え、
前記第１の定着部は、前記加熱による回転径の変化が相対的に大きく、前記第２の定着部は、前記加熱による回転径の変化が相対的に小さいものであり、
前記制御部は、前記第２の定着部を回転駆動する前記第２の駆動モータを回転数制御し、前記第１の定着部を回転駆動する前記第１の駆動モータを前記ニップ部での負荷に応じて回転制御するとともに、前記温度検知部の検知結果に応じて、前記第１の駆動モータの回転制御を行うことを特徴とする。
That is, among the fixing devices of the present invention, the first present invention is a fixing device that heats and presses an image on a sheet to be passed to fix the image on the sheet.
A rotatable first fixing portion; and a rotatable second fixing portion that forms a nip portion through which the paper is passed together with the first fixing portion;
A heating unit for heating at least one of the first fixing unit and the second fixing unit;
A temperature detection unit for detecting the temperature of the first fixing unit or the second fixing unit;
A first drive motor that rotationally drives the first fixing unit; a second drive motor that rotationally drives the second fixing unit;
A controller that controls driving of each of the first drive motor and the second drive motor,
The first fixing unit has a relatively large change in the rotation diameter due to the heating, and the second fixing unit has a relatively small change in the rotation diameter due to the heating,
The control unit controls the number of rotations of the second drive motor that rotationally drives the second fixing unit, and loads the first drive motor that rotationally drives the first fixing unit at the load at the nip unit. And controlling the rotation of the first drive motor according to the detection result of the temperature detector .
第４の本発明の定着装置は、前記第１〜第３の本発明のいずれかにおいて、前記制御部は、前記回転制御に際し、前記ニップ部での負荷が一定になるように制御することを特徴とする。 Fourth fixing device of the present invention, in any one of the first to third invention, the control unit, upon said rotation control, that the load in the nip is controlled to be constant Features.
第５の本発明の定着装置は、前記第１〜第４の本発明のいずれかにおいて、前記制御部は、前記回転制御をＰＷＭ値により行うことを特徴とする。 The fixing device according to a fifth aspect of the present invention is characterized in that, in any of the first to fourth aspects of the present invention, the control unit performs the rotation control by a PWM value.
第６の本発明の画像形成装置は、画像を形成して用紙に画像を転写する画像形成部と、第１〜第５の本発明のいずれかの定着装置とを備えることを特徴とする。 According to a sixth aspect of the present invention, there is provided an image forming apparatus comprising: an image forming unit that forms an image and transfers the image onto a sheet; and the fixing device according to any one of the first to fifth aspects of the present invention.
Claims (6)
回転可能な第１の定着部と、前記第１の定着部とともに前記用紙が通紙されるニップ部を形成する、回転可能な第２の定着部と、
前記第１の定着部および前記第２の定着部の少なくとも一方を加熱する加熱部と、
前記第１の定着部または第２の定着部の温度を検知する温度検知部と、
前記第１の定着部を回転駆動する第１の駆動モータと、前記第２の定着部を回転駆動する第２の駆動モータと、
前記第１の駆動モータおよび前記第２の駆動モータをそれぞれ駆動制御する制御部と、を備え、
前記第１の定着部は、前記加熱による回転径の変化が相対的に大きく、前記第２の定着部は、前記加熱による回転径の変化が相対的に小さいものであり、
前記制御部は、前記第２の定着部を回転駆動する前記第２の駆動モータを回転数制御し、前記第１の定着部を回転駆動する前記第１の駆動モータを前記ニップ部での負荷に応じて回転制御するとともに、前記温度検知部の検知結果に応じて、前記第１の駆動モータの回転制御を行うことを特徴とする定着装置。 In a fixing device that heats and presses an image on a sheet to be passed to fix the image on the sheet,
A rotatable first fixing portion; and a rotatable second fixing portion that forms a nip portion through which the paper is passed together with the first fixing portion;
A heating unit for heating at least one of the first fixing unit and the second fixing unit;
A temperature detection unit for detecting the temperature of the first fixing unit or the second fixing unit;
A first drive motor that rotationally drives the first fixing unit; a second drive motor that rotationally drives the second fixing unit;
A controller that controls driving of each of the first drive motor and the second drive motor,
The first fixing unit has a relatively large change in the rotation diameter due to the heating, and the second fixing unit has a relatively small change in the rotation diameter due to the heating,
The control unit controls the number of rotations of the second drive motor that rotationally drives the second fixing unit, and loads the first drive motor that rotationally drives the first fixing unit at the load at the nip unit. And a rotation control of the first drive motor according to a detection result of the temperature detection unit .
請求項１〜５のいずれかに記載の定着装置と、を備えることを特徴とする画像形成装置。 An image forming unit that forms an image and transfers the image to paper;
An image forming apparatus, comprising a fixing device according to any one of claims 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011156169A JP6283461B2 (en) | 2011-07-14 | 2011-07-14 | Fixing apparatus and image forming apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011156169A JP6283461B2 (en) | 2011-07-14 | 2011-07-14 | Fixing apparatus and image forming apparatus |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2013024893A JP2013024893A (en) | 2013-02-04 |
| JP2013024893A5 true JP2013024893A5 (en) | 2014-02-27 |
| JP6283461B2 JP6283461B2 (en) | 2018-02-21 |
Family
ID=47783351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011156169A Active JP6283461B2 (en) | 2011-07-14 | 2011-07-14 | Fixing apparatus and image forming apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6283461B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6187224B2 (en) * | 2013-12-13 | 2017-08-30 | コニカミノルタ株式会社 | Image forming apparatus |
| JP2017107002A (en) * | 2015-12-08 | 2017-06-15 | 株式会社リコー | Fixing device and image forming apparatus |
| JP2019200304A (en) | 2018-05-16 | 2019-11-21 | コニカミノルタ株式会社 | Image formation apparatus and control program |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004357449A (en) * | 2003-05-30 | 2004-12-16 | Hitachi Printing Solutions Ltd | Drive circuit for stepping motor |
| JP5339072B2 (en) * | 2009-04-27 | 2013-11-13 | 株式会社リコー | Fixing apparatus and image forming apparatus |
| JP5621383B2 (en) * | 2009-09-11 | 2014-11-12 | 株式会社リコー | Conveying apparatus, image forming apparatus, conveyed medium conveying method, program |
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2011
- 2011-07-14 JP JP2011156169A patent/JP6283461B2/en active Active
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