JPH0829592B2 - Inkjet recording head capping method - Google Patents
Inkjet recording head capping methodInfo
- Publication number
- JPH0829592B2 JPH0829592B2 JP61214321A JP21432186A JPH0829592B2 JP H0829592 B2 JPH0829592 B2 JP H0829592B2 JP 61214321 A JP61214321 A JP 61214321A JP 21432186 A JP21432186 A JP 21432186A JP H0829592 B2 JPH0829592 B2 JP H0829592B2
- Authority
- JP
- Japan
- Prior art keywords
- head
- cap
- recording head
- ink
- inkjet recording
- 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.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title claims description 12
- 239000000428 dust Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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
- 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
- B41J2/135—Nozzles
- B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16517—Cleaning of print head nozzles
Landscapes
- Ink Jet (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明はヘツドにキヤツプをかぶせ目づまり防止等を
おこなうインクジエツト記録装置に関する。The present invention relates to an ink jet recording apparatus that covers a head with a cap to prevent clogging and the like.
従来のこの種のインクジエツト記録装置は印字ヘツド
にキヤツプを当接する場合、印字ヘツドを停止した状態
でキヤツプを当接していた。In the conventional ink jet recording apparatus of this type, when the cap is brought into contact with the print head, the cap is brought into contact with the print head stopped.
しかし従来のような印字ヘツドへのキヤツプの当接で
は密着不良が生じるという問題があつた。密着不良の原
因としては部品精度及び組立精度等によるキヤツプと印
字ヘツドとの相対位置精度が良好でない。または、キヤ
ツプ材料としてゴム等の弾性材料が用いられていること
によるキヤツプと印字ヘツド前面とのなじみが良好でな
い。または、印字ヘツド面及びキヤツプ面にホコリ，ゴ
ミ等が付着している等である。キヤツプの密着不良が生
じると、ノズル部からのインク乾燥の原因となり、ま
た、ポンプにて印字ヘツドよりキヤツプを介してインク
を吸引する場合のインク吸引不良の原因となる。However, the conventional contact of the cap with the print head causes a problem of poor adhesion. As a cause of the poor adhesion, the relative positional accuracy between the cap and the print head is not good due to the parts accuracy and the assembly accuracy. Or, since the elastic material such as rubber is used as the cap material, the conformity between the cap and the front surface of the printing head is not good. Alternatively, dust, dust, or the like may be attached to the print head surface and the cap surface. Poor adhesion of the cap causes ink to dry from the nozzle portion, and also causes ink suction failure when the pump sucks ink from the print head through the cap.
そこで本発明はこのような問題を解決するものであつ
てその目的は、インクジェット記録ヘッドとキャップと
を確実に密着させ、ノズルでのインクの乾燥を防止する
とともに、キャップに連通するポンプの吸引力がヘッド
側に確実に伝達され、ヘッドのクリーニングやヘッドへ
のインク充填を確実に行えるインクジェット記録ヘッド
のキャッピング方法を提供することにある。Therefore, the present invention solves such a problem, and an object of the present invention is to reliably bring the ink jet recording head and the cap into close contact with each other to prevent the ink from drying at the nozzle and to suck the suction force of a pump communicating with the cap. It is an object of the present invention to provide a capping method for an inkjet recording head, in which the ink is reliably transmitted to the head side, and the head can be cleaned and the head can be reliably filled with ink.
［問題点を解決するための手段］ 本発明のインクジェット記録ヘッドのキャッピング方
法は、キャリッジに搭載され移動しながら対向する紙面
にノズルよりインク滴を噴射させて記録を行うインクジ
ェット記録ヘッドに対し、前記ノズルを覆うようにキャ
ップ部材を前記ヘッドの前面と当接させるインクジェッ
ト記録ヘッドのキャッピング方法であって、前記キャッ
プ部材の縁と前記ヘッドの前面とを当接させた後、前記
キャップ部材と前記ヘッドとを相対的に前記キャリッジ
の移動方向に微小量往復摺動させることを特徴とする。[Means for Solving the Problems] A capping method for an inkjet recording head according to the present invention is a capping method for an inkjet recording head, wherein the inkjet recording head is mounted on a carriage and ejects ink droplets from nozzles onto an opposing paper surface to perform recording. A capping method for an inkjet recording head, wherein a cap member is in contact with a front surface of the head so as to cover nozzles, the cap member and the head being in contact with an edge of the cap member and a front surface of the head. Is relatively slid back and forth in the moving direction of the carriage.
［作用］ 本発明のインクジェット記録ヘッドのキャッピング方
法によれば、キャップ部材の縁とインクジェット記録ヘ
ッドの前面とを当接させた後、キャップ部材とヘッドと
を相対的にキャリッジの移動方向に微小量往復摺動させ
ることにより、ヘッドとキャップの縁とのなじみが良好
となり、キャップとヘッドの各対向面の平行精度が良好
でなくても、また、ゴミ等が介在しても、キャップをヘ
ッドに確実に密着させることができる。[Operation] According to the ink jet recording head capping method of the present invention, after the edge of the cap member and the front surface of the ink jet recording head are brought into contact with each other, the cap member and the head are moved in a relatively small amount in the carriage movement direction. By sliding back and forth, the head and the edge of the cap are well-fitted, and even if the parallel accuracy between the facing surfaces of the cap and the head is not good, or if dust or the like is present, the cap can be attached to the head. It can be surely brought into close contact.
本発明のキャッピング方法を行うインクジェット記録
装置を図面に基づき説明すると、第１図は、そのインク
ジェット記録装置の要部の概略斜視図であって、１は印
字ヘツド、２はゴム材料よりなるキヤツプ、３はプラス
チツクチユーブ等よりなる配管４によりキヤツプ２に接
続されたインク吸引ポンプ、５はプラスチツクチユーブ
等よりなる配管６によりキヤツプ２に接続されキヤツプ
２内と大気との連通、遮断をするためのバルブ、７は記
録紙、８は記録紙を紙送りするためのプラテン、９はプ
ラテン８に平行に配設されたガイド軸、10は印字ヘッド
１を往復動させるためのモータ、11はモータ10に係止さ
れたモータ歯車、12はモータ歯車11に連動し回転する駆
動プーリ、13は印字ヘツド１に係止され駆動プーリ12と
噛合し回転する駆動ベルト、14はインク供給源であるイ
ンクタンク、15はフイルタ装置16を介してインクタンク
14より印字ヘツド１にインクを供給するためのプラスチ
ツクまたはステンレスよりなるインク供給配管である。An ink jet recording apparatus for carrying out the capping method of the present invention will be described with reference to the drawings. FIG. 1 is a schematic perspective view of a main part of the ink jet recording apparatus, in which 1 is a print head, 2 is a cap made of a rubber material, Reference numeral 3 is an ink suction pump connected to the cap 2 by a pipe 4 made of plastic tube or the like, and 5 is a valve connected to the cap 2 by a pipe 6 made of plastic tube or the like for connecting or disconnecting the inside of the cap 2 and the atmosphere. , 7 is a recording paper, 8 is a platen for feeding the recording paper, 9 is a guide shaft arranged parallel to the platen 8, 10 is a motor for reciprocating the print head 1, 11 is a motor 10. Locked motor gear, 12 is a drive pulley that rotates in synchronization with the motor gear 11, 13 is a drive bell that is locked in the print head 1 and meshes with the drive pulley 12, and rotates. The ink tank 14 is an ink supply source, an ink tank through the filter device 16 15
14 is an ink supply pipe made of plastic or stainless steel for supplying ink to the print head 1.
次にその作用を説明すると印字動作を行なう場合には
モータ10の駆動により駆動ベルト13を介して印字ヘツド
１がガイド軸９上をプラテン８に対して平行に移動しイ
ンク滴を記録紙に噴射して所望の印字を得ることができ
る。また印字ヘツド１により消費されたインクはフイル
タ装置16を介してインクタンク14からインク供給配管15
により随時供給され連続した印字動作を行なうものであ
る。また印字動作を行なわない場合には印字ヘツド１は
キヤツプ２に対向する位置まで移動しキヤツプ２により
カバーされる。The operation will be described next. When a printing operation is performed, the printing head 1 moves on the guide shaft 9 in parallel with the platen 8 through the driving belt 13 by driving the motor 10, and ink drops are ejected onto the recording paper. Then, a desired print can be obtained. Further, the ink consumed by the print head 1 is supplied from the ink tank 14 through the filter device 16 to the ink supply pipe 15
Is supplied from time to time for continuous printing operation. When the printing operation is not performed, the printing head 1 moves to a position facing the cap 2 and is covered by the cap 2.
次に第２図及び第３図は印字ヘツド１にキヤツプ２が
当接しキヤツプされた状態を示す詳細図であり、印字ヘ
ツド１上のノズル22がキヤツプ２によりカバーされた状
態である。キヤツプ２の開閉動作は図示していないキヤ
ツプモータと連動して正逆転する軸17上に係止されたカ
ム18の回転運動をアーム19を介して揺動運動に変換して
行なわれる。尚、20はアーム19の支点、21はキヤツプ２
を常に印字ヘッド側に押圧する力を与えるための引張り
バネである。Next, FIGS. 2 and 3 are detailed views showing a state in which the cap 2 is in contact with the print head 1 and is capped, and the nozzle 22 on the print head 1 is covered by the cap 2. The opening / closing operation of the cap 2 is performed by converting the rotational movement of the cam 18 locked on the shaft 17 that rotates in the forward and reverse directions in conjunction with a cap motor (not shown) into swinging movement via the arm 19. 20 is the fulcrum of the arm 19, 21 is the cap 2
Is a tension spring for constantly applying a force to the print head side.
そしてキヤツプ２が矢印ａ方向に移動し印字ヘツド１
に当接する際に印字ヘツド１はモータ10の駆動により駆
動ベルト13を介して矢印ｂ方向に微小往復動され振動状
態となる。尚、キヤツプ２の形状は出来得る限り小さい
ほうが良く、本実施例においては、縦18mm、横9mmの楕
円形状とし、ゴム硬度は、HBで60゜程度が最適であつ
た。また印字ヘツド１へのキヤツプ２の押圧は500g程度
が最適であつた。Then, the cap 2 moves in the direction of the arrow a, and the print head 1
When the print head 1 comes into contact with the print head 1, the print head 1 is slightly reciprocated in the direction of the arrow b via the drive belt 13 by the drive of the motor 10 to be in a vibrating state. The shape of the cap 2 is preferably as small as possible. In this embodiment, the elliptical shape having a length of 18 mm and a width of 9 mm was used, and the optimum rubber hardness was about 60 ° in HB. The optimum pressure of the cap 2 on the print head 1 was about 500 g.
第４図，第５図は本発明によるキヤツプ動作のフロー
チヤート図とタイミングチヤート図である。尚、印字ヘ
ツド１を振動させるには本実施例の構成においてはキヤ
ツプモータの回転開始より0.3秒程度遅らせるのが、キ
ヤツプ２の印字ヘツド１への当接のタイミングから最も
適当であり、印字ヘツド１の振動動作については、振幅
は0.2mm程度、振動動作時間は0.1秒以上、例えば0.1〜
0.3秒程度が最も適当であつた。4 and 5 are a flow chart and a timing chart of the capping operation according to the present invention. In order to vibrate the print head 1, in the configuration of the present embodiment, it is most appropriate to delay the rotation of the cap motor by about 0.3 seconds from the timing of contact of the cap 2 with the print head 1, and the print head 1 For the vibration operation of No. 1, the amplitude is about 0.2 mm, the vibration operation time is 0.1 seconds or more, for example
About 0.3 seconds was the most suitable.
以上述べたように、本発明によれば、キャップ部材の
縁とインクジェット記録ヘッドの前面とを当接させた
後、キャップ部材とヘッドとを相対滴にキャリッジの移
動方向に微小量往復摺動させることにより、ヘッドとキ
ャップの縁とのなじみが良好となり、キャップとヘッド
の各対向面の平行精度が良好でなくても、また、ゴミ等
が介在しても、キャップをヘッドに確実に密着させるこ
とができる。従って、ノズルでのインクの乾燥を防止で
きるとともに、キャップに連通するポンプの吸引力をヘ
ッド側に確実に伝達することができ、ヘッドのクリーニ
ングやヘッドのインク充填を確実に行うことができる。As described above, according to the present invention, after the edge of the cap member and the front surface of the ink jet recording head are brought into contact with each other, the cap member and the head are slid relative to each other by a small amount in the moving direction of the carriage. As a result, the head and the edge of the cap are well fitted to each other, and even if the parallel accuracy of the facing surfaces of the cap and the head is not good and dust is present, the cap can be firmly attached to the head. be able to. Therefore, it is possible to prevent the ink from drying at the nozzles, reliably transmit the suction force of the pump communicating with the cap to the head side, and reliably perform head cleaning and head ink filling.
第１図は本発明のキャッピング方法を行うインクジェッ
ト記録装置の要部の概略斜視図。 第２図はインクジェット記録ヘッドのキャッピング状態
を示す側面図。 第３図はインクジェット記録ヘッドのキャッピング状態
を示す上面図。 第４図は本発明のキャッピング方法に係るフローチャー
ト図。 第５図は本発明のキャッピング方法に係るタイミングチ
ャート図。 １……印字ヘツド、２……キヤツプ ３……インク吸引ポンプ、10……モータ 13……駆動ベルトFIG. 1 is a schematic perspective view of a main part of an ink jet recording apparatus for performing the capping method of the present invention. FIG. 2 is a side view showing a capping state of the ink jet recording head. FIG. 3 is a top view showing the capping state of the inkjet recording head. FIG. 4 is a flowchart of the capping method of the present invention. FIG. 5 is a timing chart diagram according to the capping method of the present invention. 1 ... Printing head, 2 ... Cap 3 ... Ink suction pump, 10 ... Motor 13 ... Driving belt
Claims (1)
る紙面にノズルよりインク滴を噴射させて記録を行うイ
ンクジェット記録ヘッドに対し、前記ノズルを覆うよう
にキャップ部材を前記ヘッドの前面と当接させるインク
ジェット記録ヘッドのキャッピング方法であって、 前記キャップ部材の縁と前記ヘッドの前面とを当接させ
た後、前記キャップ部材と前記ヘッドとを相対的に前記
キャリッジの移動方向に微小量往復摺動させることを特
徴とするインクジェット記録ヘッドのキャッピング方
法。1. An ink jet recording head, which is mounted on a carriage and ejects ink droplets from a nozzle onto a paper surface facing while moving, to bring a cap member into contact with the front surface of the head so as to cover the nozzle. A capping method for an inkjet recording head, wherein after the edge of the cap member and the front surface of the head are brought into contact with each other, the cap member and the head are slid relative to each other in the moving direction of the carriage by a small amount. A method for capping an inkjet recording head, comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61214321A JPH0829592B2 (en) | 1986-09-11 | 1986-09-11 | Inkjet recording head capping method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61214321A JPH0829592B2 (en) | 1986-09-11 | 1986-09-11 | Inkjet recording head capping method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6369654A JPS6369654A (en) | 1988-03-29 |
| JPH0829592B2 true JPH0829592B2 (en) | 1996-03-27 |
Family
ID=16653822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61214321A Expired - Lifetime JPH0829592B2 (en) | 1986-09-11 | 1986-09-11 | Inkjet recording head capping method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0829592B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH063445A (en) * | 1992-06-18 | 1994-01-11 | Mitsubishi Motors Corp | Ultrasonic receiver and obstacle detector |
| AUPS048502A0 (en) | 2002-02-13 | 2002-03-07 | Silverbrook Research Pty. Ltd. | Methods and systems (ap44) |
| JP2009012314A (en) * | 2007-07-05 | 2009-01-22 | Seiko Epson Corp | Fluid ejection device |
| JP6037844B2 (en) * | 2013-01-11 | 2016-12-07 | 富士フイルム株式会社 | Inkjet recording device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5677159A (en) * | 1979-11-30 | 1981-06-25 | Fujitsu Ltd | Cleaner for ink jet nozzle |
| JPS62113555A (en) * | 1985-11-13 | 1987-05-25 | Canon Inc | Ink jet recorder |
-
1986
- 1986-09-11 JP JP61214321A patent/JPH0829592B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6369654A (en) | 1988-03-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |