JPS5882762A - Drop-on-demand type ink jet recorder - Google Patents
Drop-on-demand type ink jet recorderInfo
- Publication number
- JPS5882762A JPS5882762A JP56180531A JP18053181A JPS5882762A JP S5882762 A JPS5882762 A JP S5882762A JP 56180531 A JP56180531 A JP 56180531A JP 18053181 A JP18053181 A JP 18053181A JP S5882762 A JPS5882762 A JP S5882762A
- Authority
- JP
- Japan
- Prior art keywords
- recording medium
- recording
- heating element
- ink
- platen
- 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
Classifications
-
- 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
- B41J11/0015—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 for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
- B41J11/002—Curing or drying the ink on the copy materials, e.g. by heating or irradiating
Abstract
Description
【発明の詳細な説明】
本発明はドＩツプ・オン・デマンド（ＤＯＤ型）インク
ジェット記録装置に係）、特に記録媒体に付着したイン
ク粒子の定着装量の改善に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a dop-on-demand (DOD type) inkjet recording apparatus, and particularly to an improvement in the fixing amount of ink particles attached to a recording medium.
ＤＯＤ型イフィンクジエツト記録装記録媒体を介してプ
ラテンとプリントヘッドが対向され、プリン上ヘッドに
インクが供給されノズル先端部よ）インクの粒子を記録
媒体κ向けて噴射させ、このプリン劃ヘッドをプラテン
と平行に移動することで印字を行う。ｉｌｌ図は従来の
ＤＯＤａＭインクジェット記録装置の微陽を示した斜視
間である●プラテン１０両１ｍ＆ｃｔｊスプ四ケット２
が固着され１駆動軸３０回転によ９て矢印Ｃ方向κ回転
さｔる●キャリア４はガイドシャフト５および送りネジ
６に案内され、送夛ネジ６＃′ｉ躯動モータ（図示せず
）によりて回転される。この回転によシキャリア４はプ
ラナ７１ ＫＩＩＥ）りて矢印ＡおよびＡ′方向に移動
される。インクジェットプリントヘッド７はキャリア４
に搭載されている・このプリントヘッド７は内部Ｋｍ数
のノズルとそれぞれのノズルによりチェープ８にようて
供給されたインクを粒子として噴射させるための圧電素
子が設けられ、圧電素子はキャリア４の移動に同期して
選択的に駆動される。このようにして、キャリア４０１
回の移動で１行の印字が行える・なお、９は紙送り軸、
１０は紙送りｐ−ラ、１１は記録媒体を示す。DOD type fin jet recording device A platen and a print head are opposed to each other via a recording medium, ink is supplied to the print head, and ink particles (from the nozzle tip) are ejected toward the recording medium κ. Printing is performed by moving parallel to the platen. The illumination diagram is a perspective view of the conventional DODaM inkjet recording device.●10 platens, 1 m, and 4 ctj sprockets, 2
is fixed and rotated by 9 in the direction of arrow C by 30 rotations of the first drive shaft.The carrier 4 is guided by the guide shaft 5 and the feed screw 6, and the feed screw 6 #'i is rotated by a sliding motor (not shown). It is rotated by This rotation causes the carrier 4 to move in the directions of arrows A and A' by means of a planar plane 71 KIIE). Inkjet print head 7 is carrier 4
This print head 7 is equipped with an internal nozzle of km number and a piezoelectric element for ejecting the ink supplied through the chain 8 as particles by each nozzle, and the piezoelectric element is used to control the movement of the carrier 4. selectively driven in synchronization with In this way, carrier 401
One line can be printed with one movement.・9 is the paper feed axis,
Reference numeral 10 indicates a paper feed p-ra, and 11 indicates a recording medium.
上記インクジェット記録妓＊は１Ｉ２ｆｉに示すように
、記録媒体１１に付着したインク粒子が殆んど記録媒体
１１内部に吸怪され定着するように％インク較収性のよ
い記録媒体１１が用いられていた◎一般にインク吸収性
のよい記録媒体はインク表面でにじみ易く、ドツトの拡
がプが大きくなる傾向にある０そのため、漢字１図形等
の解像険の高い記録を得ることは困難であつた◎
本発明の目的はインクジェット配録装置ＩＯ記鍮媒体に
付着したインク粒子のインク溶＠０薫発を促進さす発熱
体を設け、解偉度の高い記録を可能とし、かつ＊ａ性の
高い装曾管援供するにある。As shown in 1I2fi, the above-mentioned inkjet recorder* uses a recording medium 11 with good % ink compatibility so that most of the ink particles attached to the recording medium 11 are absorbed and fixed inside the recording medium 11. ◎In general, recording media with good ink absorption tend to bleed on the ink surface, and the spread of dots tends to become larger. Therefore, it was difficult to obtain high-resolution records such as 1 kanji figure. ◎ The purpose of the present invention is to provide a heating element that promotes ink dissolution @0 smoke of ink particles attached to the recording medium of an inkjet recording device IO, to enable recording with a high degree of resolution, and to have a high *a property. We will provide support for the installation.
本発明の特徴は記録媒体Ｏ排出方向Ｏプラテンの近傍に
１インクを乾燥させる発熱体を設け、該発熱体は記録さ
れた記録媒体の非記録面、まえは記録面Ｏ少くとも一方
に対向するように配置したことにより上記目的を達して
いる０
以下、本発明について説明する＠
一般ＫＤＯＤ型インクジェット記録装置において一記録
媒体に付着したインクの定着は記録媒体内部へのインク
浸透と空気中へのインク溶剤の蒸発により行なわれる・
りまり、インクの定着時間は記録媒体のインク浸透速（
とインクの蒸発速度に依存する。従りてインク浸透違［
０速い記録媒体では記録の解ｇＩ！闇は低下する０逆に
高解偉度の記録を行える記録媒体ではインクの浸透度が
遅く、インクＯ定着は主にインク溶剤の蒸発によシ進行
する◎そのため、高解′＃ＩＩ度の記録が行なえる配録
媒体を従来のインクジェット記録装ｆｌｌＫ使用した場
合、インクが定着するには、可成り長い時間が必要であ
る。そこで、本発明では１１３１１に示すように従来の
ＤＯＤ型インクジェット記―装雪製雪鎌媒体の排出方向
のプラテン近傍に、インクを乾燥させる発熱体を設けて
ＤＯＤ方式で高解ｇＩＩＮｔ。A feature of the present invention is that a heating element for drying ink is provided in the vicinity of the platen in the recording medium O ejection direction, and the heating element faces at least one of the non-recording surfaces of the recording medium, which is the recording surface O. The above objective has been achieved by arranging the ink in the following manner. The present invention will be explained below. In a general KDOD type inkjet recording device, the fixing of ink attached to a recording medium is achieved by ink penetration into the inside of the recording medium and penetration into the air. This is done by evaporating the ink solvent.
The fixing time of the ink depends on the ink penetration speed of the recording medium (
and depends on the evaporation rate of the ink. Therefore, the difference in ink penetration [
0Recording solution for fast recording media! Darkness decreases 0 On the other hand, in recording media that can perform high-resolution recording, ink penetration is slow, and ink O fixation progresses mainly due to evaporation of the ink solvent ◎Therefore, high-resolution recording is possible. When a conventional inkjet recording device FLLK is used with a recording medium capable of printing, it takes a considerable amount of time for the ink to fix. Therefore, in the present invention, as shown in 11311, a heating element for drying ink is provided in the vicinity of the platen in the discharge direction of the conventional DOD type inkjet recording medium in the discharge direction of the snow sickle medium, thereby producing high resolution gIINt using the DOD method.
記録が行えるようＫしたものである。It is marked K so that it can be recorded.
＃１３図（イ）は本発明の発熱体配置の１例を説明する
ための断面図である・
図において、記録媒体１１がプラテン１との保合が外れ
、かつ排出方向のプラテン近傍に発熱体１２を設け、＃
発熱体１２が記録された記録媒体１１の非記録面を加熱
するように配置するか、又は記録媒体の記録面の少くと
も一方に対向するような位＊ｌＫ配置している。なお、
上記発熱体１２としてはニクロム線ヒータ、ポジスタ、
セラミックヒータ等が考えられる０本実施ガでは発熱体
１２が第３図（０）に示すように藤森工業製ヒータエル
シートを用い構成している口即ち耐熱シー）１３上に抵
抗体１４をパターン化し、両端に電極１５を設けている
・なお、記録媒体幅が加熱できるように１発熱体１２の
大きさは幅２０ｇｎｉｍｘ長ζ３ＱＩｎｍで、抵抗３ｏ
ｏＱ、 ＠ｏＶ、０．１２Ａでｌ ２Ｗとしている◎
プリントヘッド７で印字された記録媒体面はプラテン１
の回転に伴い排出方向に送られプラテン１との保合が外
れるようになり、この係合が外れた直後、紙送りロー２
１０の間に設けられた発熱体１２によシ記録媒体１１裏
面より加熱され、インクの乾燥が促進されてイ／り定着
時間管短かくすることができる。まえ、位置ａＫ加熱体
１２１設けてもよい◎
また、第４図に示すように本発明の発熱抵抗体の温度制
御系を設け、記録媒体１１の温ｐＬｔ−検出器１６で検
出し、フィードバック系を通して、発熱体１２を温度制
御回路１７によシ制御して所足温度を保持している０
以上述べた発熱体１２０代シにポジスタ勢の自己制御機
能を壱するも−のを用いれば總４図０温廣制御系は不要
となる。又、安全性の問題から記録装ｇＩＫ記鎌媒体が
セットされた後に１動作開始するように楢能をもってい
ることが望ましい０本発明の発熱体１２により記録媒体
１１温度を変化させて１インクの定着時間の関係を調べ
光。#13 Figure (a) is a cross-sectional view for explaining one example of the heat generating element arrangement of the present invention. In the figure, the recording medium 11 is no longer secured to the platen 1, and heat is generated near the platen in the ejection direction. A body 12 is provided, #
The heating element 12 is arranged so as to heat the non-recording surface of the recording medium 11 on which recording has been performed, or is arranged at a position opposite to at least one of the recording surfaces of the recording medium. In addition,
As the heating element 12, a nichrome wire heater, a posistar,
In the 0-piece embodiment, in which a ceramic heater or the like is considered, the heating element 12 is constructed using a heater sheet made by Fujimori Industries, as shown in FIG. The size of each heating element 12 is 20 gnim in width x 3Q Inm in length, and has an electrode 15 at both ends to heat the width of the recording medium.
oQ, @oV, 0.12A and 12W ◎ The surface of the recording medium printed by print head 7 is platen 1.
As the paper rotates, it is sent in the ejection direction and becomes disengaged from the platen 1. Immediately after this disengagement, the paper feed roller 2
A heating element 12 provided between the recording medium 10 heats the recording medium 11 from the back side, accelerates the drying of the ink, and shortens the fixing time. In addition, as shown in FIG. 4, a temperature control system for the heating resistor of the present invention may be provided, and the temperature pLt of the recording medium 11 is detected by the detector 16, and the feedback system The heating element 12 is controlled by the temperature control circuit 17 through the temperature control circuit 17 to maintain the required temperature. 4 Figure 0 The temperature control system is no longer necessary. In addition, for safety reasons, it is desirable that the recording device has a function to start one operation after the IK recording medium is set.The temperature of the recording medium 11 is changed by the heating element 12 of the present invention, and one ink is heated. Examine the relationship between fixation time and light.
１１！５１１は記録媒体に付着したインクの１ドツトの
定漫時間を縦軸に一紀鎌媒体の温度を横軸にとり、３檀
の記録媒体について実験した０記録媒体温纜を増大する
ことによりインク定着時間を短縮することができた０室
温における記録媒体Ｉのインク定着時間は英数字では平
均２０分程度、ペタ黒では平均５０分程度であ−ｊた０
また記録媒体Ｉのインク定着時間は英数字で平均５０分
程度であった。ｔた、記録媒体ｌのインク定着時間は英
数字では４０秒程膚、ベタ黒では平均６０秒１１ｊｔで
／
あフた＠こ＼で記録媒体Ｉは記録媒体！に比べ記録媒体
内部へインクを吸収しやすく表面でのドツトの拡がり、
にじみとも大きいｏ１体ＩＫ印字した場合、インクＦｉ
１１′ぼ完全な円形でドツトの拡がりは記録媒体ｌ０１
７２程闇で、漢字などの高解像度の記録が行なえ九〇記
録媒体Ｏ温度を７０’Ｃまで増加すると、インク定着時
間は１ドツトでｌＯ抄以下となりたＯｌた、記録媒体量
は記録媒体■よりもドツトは拡がるが、インク定着時間
は記録媒体！に比べ短かかりた。この記録媒体量ではイ
ンク定着時間１０秒以下とするのに、温度は６０℃で十
分であった。11!511 shows the constant time of one dot of ink attached to the recording medium on the vertical axis and the temperature of the Ikki Kama medium on the horizontal axis. The fixing time for recording medium I at room temperature was about 20 minutes on average for alphanumeric characters, and about 50 minutes on average for peta black.
Further, the ink fixing time for the recording medium I was about 50 minutes on average for alphanumeric characters. The ink fixation time for recording medium I is approximately 40 seconds for alphanumeric characters, and an average of 60 seconds for solid black. It is easier to absorb ink into the inside of the recording medium compared to paper, and the dots spread out on the surface.
When printing with IK on one body with large bleeding, the ink Fi
11' is a perfect circle and the spread of dots is recording medium l01
High-resolution recording of kanji and other characters can be performed in darkness as low as 72°C.When the temperature of the recording medium is increased to 70'C, the ink fixation time is less than 100°C for one dot, and the amount of recording medium is 90°C. The dots will spread out, but the ink fixation time will be longer than the recording medium! It took less time than . With this amount of recording medium, a temperature of 60° C. was sufficient to make the ink fixation time 10 seconds or less.
以上のように記録媒体上のイン・り定着時間は使用する
記録媒体の種類に依存し、また、発熱体１２により加熱
さねた記録媒体の温度に依存する＠また、第６図に示す
ように配録媒体Ｉ上のドツト径は記録媒体の温度が増加
してもほぼ一定でありた・本装箇では記録装置の温（を
７０℃に設定し記＃を行りた結果、記録媒体Ｉ、 Ｉ
ｆ、 ｌのいすわの場合も、室温で記録したとき同程度
の印字品位が得らねた・
必要なインク定着時間は記録装置の構造により異なり、
又単色に比ベカラー記録の場合はよ）蝮かい定着時間が
要求される・これら要求に応じて記録媒体を選定し、記
録媒体Ｏ温度設定値を変えることか望ましい。例えば、
設定温度切換装置を設け、記録媒体の特性により温度設
定値をオペレータがｖＩＩＡ！Ｉできれば効果的である
。As described above, the in-fusing time on a recording medium depends on the type of recording medium used, and also depends on the temperature of the recording medium heated by the heating element 12. The diameter of the dots on the recording medium I remained almost constant even when the temperature of the recording medium increased.In this setup, the temperature of the recording device was set at 70°C and recording was performed. I, I
The same level of print quality was not obtained when recording at room temperature in the case of f and l chairs. The required ink fixation time varies depending on the structure of the recording device.
Also, in the case of color recording compared to monochrome recording, a longer fixing time is required.It is desirable to select a recording medium and change the recording medium O temperature setting value according to these requirements. for example,
A set temperature switching device is installed, and the operator can change the temperature set value according to the characteristics of the recording medium. It would be effective if possible.
以上実施例により本発明を説明し九が、本発明によれば
記録媒体の排出方向のプラテンの近傍Ｋ。The present invention has been described above with reference to embodiments.
インクを乾燥させる発熱体を設け、該発熱は記録された
記録媒体の非記録面、または紀鎌面の少くと４一方に対
向するように配激し六ことによシ印字品位を低下させる
ことなく、高解像度の記録結果を速かに定着させること
ができ、従来の装置［比べ解像度の高い記録が行える効
果は大きい。A heating element is provided for drying the ink, and the heat is distributed so as to face at least one of the non-recording surfaces of the recorded recording medium or the cylindrical surface, thereby deteriorating the printing quality. It is possible to quickly fix high-resolution recording results without any problems, and the effect of being able to perform high-resolution recording compared to conventional devices is significant.
第１図は従来０Ｉ）ＯＤ型インクジェットｅ録装装量概
略を示し７た斜視図、第２ｍｇは第１図装肯の印字部分
を説明する斜視図、第３図は本発明の１実施例を説明す
るための（イ）は断面図、（ロ）は平面図、ｗ、４図は
本発明の発熱体の温度制御系のブロック図、腑５図は記
録媒体の温度とインク定着時間の関係図、謔６図は記録
媒体の温度とドツト径の関係図管示す◎
図にふ・いて、１＃′ｉプラテン、４はキャリア、７は
プリントヘッド、１０は紙送りローラー、１１は記録媒
体、１２は発熱体、１３け耐熱シート、１４は抵抗体、
１５け劃１１６は検出器、１７Ｈ温度制御回路である〇
第１図
犀２図
％３図
ＣＩ）
（ロノ
第４図Fig. 1 is a perspective view showing an outline of the conventional 0I) OD type inkjet e-recording loading amount, Fig. 2mg is a perspective view illustrating the printed part of the insert in Fig. 1, and Fig. 3 is an embodiment of the present invention. To explain this, (a) is a cross-sectional view, (b) is a plan view, (w), (4) is a block diagram of the temperature control system of the heating element of the present invention, and (5) is a diagram showing the relationship between the temperature of the recording medium and the ink fixing time. Figure 6 shows the relationship between the temperature of the recording medium and the dot diameter ◎ According to the diagram, 1#'i platen, 4 is carrier, 7 is print head, 10 is paper feed roller, 11 is recording medium, 12 a heating element, 13 heat-resistant sheets, 14 a resistor,
Figure 15 116 is a detector, 17H temperature control circuit 〇Figure 1 Figure 2 %3 Figure CI) (Figure 4
Claims (1)
ントヘッドのノズルからインク粒子管噴射し、プラテン
上を移動するｔ録媒体上に文字箋画像を形成するド四ツ
１−オン拳デマンド型インクジェット紀録装置ｌＩｃお
いて、前１ご配録複体の排出方向のプラテンＯ近傍に、
インク管乾燥させる発熱体を設け、該発熱体Ｆｉ紀録さ
れた記録媒体の非記録面、または紀録面の少くとも一方
に対向するように配量したことを特徴とするド四ッグ・
オン・デマンド型インクジェット記録装置・（２）
上記発熱体は湿度制御機構を備え、記鎌媒体を所足温膚
に保持することを特徴とする特許許請ｉ囲第１項起敏の
ド・ツブ・オン・デーンド型インクジエッＦ記録装１１
。 （３）上記発熱体は自己温度制ａ磯能を有することｔ特
徴とする前記特許請求Ｏ範囲第ｌ寝配載Ｏドクップ・オ
ン・デマンド型インクジェット記録装曾。 （４） 上記発熱体の保持温度はオペレータがｉｌｌ
ｍ可能ｅ機構を有することを４９１１とする前記特許請
求の範囲第２項記載のドロップ・オン・デマンド型イン
クジェット記録装１１。[Scope of Claims] (1) Ink droplet tubes are ejected from the nozzles of a print head having at least 111 or more nozzles to form a character image on a recording medium moving on a platen. In the demand-type inkjet recording device lIc, near the platen O in the ejection direction of the first recording complex,
A dog four-dog, characterized in that a heating element for drying the ink tube is provided, and the heating element is arranged so as to face at least one of the non-recording surface or the recording surface of the recording medium on which the recording is carried out.
On-demand inkjet recording device (2)
The above-mentioned heating element is equipped with a humidity control mechanism to keep the recording medium close to the skin under certain conditions.
. (3) The on-demand inkjet recording device according to claim 1, wherein the heating element has a self-temperature control function. (4) The temperature at which the heating element is maintained is determined by the operator.
4911. The drop-on-demand type inkjet recording device 11 according to claim 2, which has a m-capable mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56180531A JPS5882762A (en) | 1981-11-11 | 1981-11-11 | Drop-on-demand type ink jet recorder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56180531A JPS5882762A (en) | 1981-11-11 | 1981-11-11 | Drop-on-demand type ink jet recorder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5882762A true JPS5882762A (en) | 1983-05-18 |
Family
ID=16084887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56180531A Pending JPS5882762A (en) | 1981-11-11 | 1981-11-11 | Drop-on-demand type ink jet recorder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5882762A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0294793A2 (en) * | 1987-06-12 | 1988-12-14 | Canon Kabushiki Kaisha | Recording apparatus |
| US5864352A (en) * | 1988-12-30 | 1999-01-26 | Canon Kabushiki Kaisha | Ink jet recording apparatus having a heat fixing mechanism |
| US6059406A (en) * | 1992-05-01 | 2000-05-09 | Hewlett-Packard Company | Heater blower system in a color ink-jet printer |
| US6406118B1 (en) | 1988-12-30 | 2002-06-18 | Canon Kabushiki Kaisha | Ink jet recording apparatus having a heat fixing mechanism |
| EP1208992A3 (en) * | 2000-11-15 | 2003-08-20 | Technoplot Cad Vertriebs GmbH | Ink-jet printer comprising a piezo printhead for ejecting lactate ink on plain print medium |
-
1981
- 1981-11-11 JP JP56180531A patent/JPS5882762A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0294793A2 (en) * | 1987-06-12 | 1988-12-14 | Canon Kabushiki Kaisha | Recording apparatus |
| US5005025A (en) * | 1987-06-12 | 1991-04-02 | Canon Kabushiki Kaisha | Printer having means for heating a recording sheet and fixing ink thereon |
| US5864352A (en) * | 1988-12-30 | 1999-01-26 | Canon Kabushiki Kaisha | Ink jet recording apparatus having a heat fixing mechanism |
| US6406118B1 (en) | 1988-12-30 | 2002-06-18 | Canon Kabushiki Kaisha | Ink jet recording apparatus having a heat fixing mechanism |
| US6059406A (en) * | 1992-05-01 | 2000-05-09 | Hewlett-Packard Company | Heater blower system in a color ink-jet printer |
| EP1208992A3 (en) * | 2000-11-15 | 2003-08-20 | Technoplot Cad Vertriebs GmbH | Ink-jet printer comprising a piezo printhead for ejecting lactate ink on plain print medium |
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