JP7290085B2 - 搬送装置及び画像形成装置 - Google Patents
搬送装置及び画像形成装置 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/007—Conveyor belts or like feeding devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H5/00—Feeding articles separated from piles; Feeding articles to machines
- B65H5/06—Feeding articles separated from piles; Feeding articles to machines by rollers or balls, e.g. between rollers
- B65H5/062—Feeding articles separated from piles; Feeding articles to machines by rollers or balls, e.g. between rollers between rollers or balls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/0095—Detecting means for copy material, e.g. for detecting or sensing presence of copy material or its leading or trailing end
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/36—Blanking or long feeds; Feeding to a particular line, e.g. by rotation of platen or feed roller
- B41J11/42—Controlling printing material conveyance for accurate alignment of the printing material with the printhead; Print registering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J15/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
- B41J15/04—Supporting, feeding, or guiding devices; Mountings for web rolls or spindles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
- B41J2/04505—Control methods or devices therefor, e.g. driver circuits, control circuits aiming at correcting alignment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/16—Delivering or advancing articles from machines; Advancing articles to or into piles by contact of one face only with moving tapes, bands, or chains
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H5/00—Feeding articles separated from piles; Feeding articles to machines
- B65H5/02—Feeding articles separated from piles; Feeding articles to machines by belts or chains, e.g. between belts or chains
- B65H5/021—Feeding articles separated from piles; Feeding articles to machines by belts or chains, e.g. between belts or chains by belts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
- B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
- B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
- B65H7/06—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed
- B65H7/08—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed responsive to incorrect front register
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/10—Rollers
- B65H2404/14—Roller pairs
- B65H2404/142—Roller pairs arranged on movable frame
- B65H2404/1424—Roller pairs arranged on movable frame moving in parallel to their axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/20—Belts
- B65H2404/25—Driving or guiding arrangements
- B65H2404/256—Arrangement of endless belt
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/50—Occurence
- B65H2511/51—Presence
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/50—Occurence
- B65H2511/515—Absence
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2513/00—Dynamic entities; Timing aspects
- B65H2513/10—Speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2553/00—Sensing or detecting means
- B65H2553/80—Arangement of the sensing means
- B65H2553/82—Arangement of the sensing means with regard to the direction of transport of the handled material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2557/00—Means for control not provided for in groups B65H2551/00 - B65H2555/00
- B65H2557/60—Details of processes or procedures
- B65H2557/63—Optimisation, self-adjustment, self-learning processes or procedures, e.g. during start-up
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Or Security For Electrophotography (AREA)
- Ink Jet (AREA)
- Handling Of Sheets (AREA)
- Controlling Sheets Or Webs (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
Description
以下、図1及び図2を参照して、本発明の第1実施形態に係る画像形成装置100を説明する。図1は、第1実施形態に係る画像形成装置100に搭載される搬送部110及び画像形成部120の構成を示す図である。図2は、画像形成装置100のハードウェア構成図である。
次に、図5及び図6を参照して、第2実施形態に係る搬送ズレ補正処理を説明する。図5は、第1検知タイミングT1が第2検知タイミングT2より早い場合のベルト回転速度の調整例を示すタイミングチャートである。図6は、第1検知タイミングT1が第2検知タイミングT2より遅い場合のベルト回転速度の調整例を示すタイミングチャートである。
次に、図7を参照して、第3実施形態に係る事前同期処理を説明する。図7は、事前同期処理のフローチャートである。なお、第1実施形態及び第2実施形態との共通点の詳細な説明は省略し、相違点を中心に説明する。
20 RAM
30 ROM
40 HDD
50 I/F
60 LCD(報知装置)
70 操作部
90 共通バス
100 画像形成装置
101 コントローラ
110 搬送部(搬送装置)
111 搬送ドラム
112 入口シリンダ
113 出口シリンダ
114 搬送ベルト
115 駆動ローラ
116 従動ローラ
117a,117b,117c,117d 衝立
120 画像形成部
120K,120C,120M,120Y 記録ヘッド
130 乾燥ユニット
140 ドラムセンサ(第1センサ)
150 ベルトセンサ(第2センサ)
Claims (8)
- 1回転する間に複数の媒体を搬送可能な長さを有する無端環状の搬送ベルトと、
前記搬送ベルトより搬送方向の上流側において前記媒体を検知する第1センサと、
前記搬送ベルトのホームポジションを検知する第2センサと、
前記搬送ベルトの回転速度を制御するコントローラとを備え、
前記コントローラは、前記搬送ベルトが1回転する間に、前記第1センサで前記媒体が検知された第1検知タイミングと、前記第2センサで前記ホームポジションが検知された第2検知タイミングとのズレ量を無くすように、前記搬送ベルトの回転速度を調整することを特徴とする搬送装置。 - 前記搬送ベルトは、回転速度の異なる複数の段階を有し、
前記コントローラは、
前記第1検知タイミングが前記第2検知タイミングより早い場合に、前記搬送ベルトの回転速度を一段階増速し、
前記第1検知タイミングが前記第2検知タイミングより遅い場合に、前記搬送ベルトの回転速度を一段階減速する処理を、前記搬送ベルトが1回転する度に繰り返し実行することを特徴とする請求項1に記載の搬送装置。 - 前記コントローラは、
前記第1検知タイミングが前記第2検知タイミングより早い場合に、前記搬送ベルトの回転速度を予め定められた固定値だけ増速し、且つ前記ズレ量が大きいほど増速する時間を長くし、
前記第1検知タイミングが前記第2検知タイミングより遅い場合に、前記搬送ベルトの回転速度を予め定められた固定値だけ減速し、且つ前記ズレ量が大きいほど減速する時間を長くすることを特徴とする請求項1に記載の搬送装置。 - 前記コントローラは、前記ズレ量が許容範囲を超えた場合に、前記搬送ベルトの回転速度を調整することを特徴とする請求項1乃至3のいずれか1項に記載の搬送装置。
- 前記コントローラは、前記ズレ量が補正可能範囲を超えた場合に、報知装置を通じて異常を報知することを特徴とする請求項1乃至4のいずれか1項に記載の搬送装置。
- 前記媒体を前記搬送ベルトに向けて搬送する搬送ドラムを備え、
前記コントローラは、
前記第1センサで前記搬送ドラムの基準位置が検知された第3検知タイミングと、前記第2検知タイミングとの事前ズレ量を演算し、
前記搬送ベルトが1回転するまでの期間に、前記事前ズレ量が0に近づくように前記搬送ベルトの回転速度を調整することを特徴とする請求項1乃至5のいずれか1項に記載の搬送装置。 - 請求項1乃至6のいずれか1項に記載の搬送装置と、
前記搬送装置によって搬送された前記媒体に画像を形成する画像形成部とを備えることを特徴とする画像形成装置。 - 前記搬送ベルトに対面する位置に、前記搬送ベルト上の前記媒体を乾燥させる乾燥ユニットを備えることを特徴とする請求項7に記載の画像形成装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2019161448A JP7290085B2 (ja) | 2019-09-04 | 2019-09-04 | 搬送装置及び画像形成装置 |
US17/005,261 US11420836B2 (en) | 2019-09-04 | 2020-08-27 | Recording medium conveying device and image forming apparatus incorporating the recording medium conveying device |
Applications Claiming Priority (1)
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JP2019161448A JP7290085B2 (ja) | 2019-09-04 | 2019-09-04 | 搬送装置及び画像形成装置 |
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JP2021037720A JP2021037720A (ja) | 2021-03-11 |
JP7290085B2 true JP7290085B2 (ja) | 2023-06-13 |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010014106A (ko) | 1997-06-23 | 2001-02-26 | 코히 엔터프라이즈 인코포레이티드 | 컨베이어 시스템 |
JP2004035147A (ja) | 2002-07-01 | 2004-02-05 | Mitsubishi Electric Engineering Co Ltd | 搬送システムおよび該システムの制御方法 |
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JPH0818716B2 (ja) * | 1989-03-06 | 1996-02-28 | 澁谷工業株式会社 | 薄板状部材の取出し装置 |
JP2559416Y2 (ja) * | 1992-09-30 | 1998-01-19 | 太陽誘電株式会社 | 回路基板の自動移し変え装置 |
JP2002103598A (ja) * | 2000-07-26 | 2002-04-09 | Olympus Optical Co Ltd | プリンタ |
JP4344201B2 (ja) | 2003-08-29 | 2009-10-14 | 株式会社リコー | 印刷制御方法 |
US8126387B2 (en) * | 2007-06-08 | 2012-02-28 | Ricoh Company, Ltd. | Sheet conveying device and image forming apparatus |
JP6366219B2 (ja) | 2012-08-07 | 2018-08-01 | キヤノン株式会社 | 画像形成装置 |
JP2017058462A (ja) * | 2015-09-15 | 2017-03-23 | 株式会社沖データ | 画像形成装置 |
JP7073928B2 (ja) | 2017-06-14 | 2022-05-24 | 株式会社リコー | 搬送装置、液体を吐出する装置、読取装置、画像形成装置、該搬送装置の制御方法 |
JP2019156622A (ja) | 2018-03-16 | 2019-09-19 | 株式会社リコー | 搬送装置、搬送方法、および画像形成装置 |
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- 2019-09-04 JP JP2019161448A patent/JP7290085B2/ja active Active
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20010014106A (ko) | 1997-06-23 | 2001-02-26 | 코히 엔터프라이즈 인코포레이티드 | 컨베이어 시스템 |
JP2002505652A (ja) | 1997-06-23 | 2002-02-19 | コック エンタープライゼス,インコーポレイテッド | 粉体塗装装置 |
JP2004035147A (ja) | 2002-07-01 | 2004-02-05 | Mitsubishi Electric Engineering Co Ltd | 搬送システムおよび該システムの制御方法 |
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JP2021037720A (ja) | 2021-03-11 |
US20210061600A1 (en) | 2021-03-04 |
US11420836B2 (en) | 2022-08-23 |
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