JP2007160874A - Inkjet recorder - Google Patents

Inkjet recorder Download PDF

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Publication number
JP2007160874A
JP2007160874A JP2005363533A JP2005363533A JP2007160874A JP 2007160874 A JP2007160874 A JP 2007160874A JP 2005363533 A JP2005363533 A JP 2005363533A JP 2005363533 A JP2005363533 A JP 2005363533A JP 2007160874 A JP2007160874 A JP 2007160874A
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JP
Japan
Prior art keywords
carriage
carriage shaft
side plate
fixed
shaft
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.)
Withdrawn
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JP2005363533A
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Japanese (ja)
Inventor
Hideaki Matsumura
英明 松村
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Canon Inc
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Canon Inc
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Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2005363533A priority Critical patent/JP2007160874A/en
Publication of JP2007160874A publication Critical patent/JP2007160874A/en
Withdrawn legal-status Critical Current

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  • Ink Jet (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide an inkjet recorder which has no variation of a paper interval because of deflection of a carriage shaft. <P>SOLUTION: In fixing the carriage shaft which guides reciprocative movement of a carriage to right and left side plates of a body, the carriage shaft is fixed to the left side plate and is projected from an engagement hole to the right side plate. A load is thus applied to a carriage shaft projecting part of the right side plate outside. The carriage shaft is fixed to cancel the deflection of the carriage shaft due to a weight of the carriage. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、キャリッジの往復動により記録シート材にインク液滴を吐出してシリアル記録を行うインクジェット記録装置に関する。   The present invention relates to an ink jet recording apparatus that performs serial recording by ejecting ink droplets onto a recording sheet material by reciprocation of a carriage.

インクジェットヘッドを保持して往復移動するキャリッジはキャリッジ軸によって往復移動可能に支持されていた。   A carriage that reciprocates while holding the ink jet head is supported by a carriage shaft so as to be reciprocally movable.

従来例としては、例えば特許文献１と特許文献２をあげることが出来る。
特開２００４−１６０９４５号公報 特開平８−２２４８６６号公報 For example, Patent Document 1 and Patent Document 2 can be cited as conventional examples.
JP 2004-160945 A JP-A-8-224866

キャリッジが往復動する際、ガイドであるキャリッジ軸の中央部分においてはキャリッジの重量により軸がたわみ、記録シート材との間隔が変動してしまうという問題があった。   When the carriage reciprocates, there is a problem in that the shaft bends due to the weight of the carriage at the central portion of the carriage shaft, which is a guide, and the distance from the recording sheet material varies.

本発明は前記課題を解決するものであり、その目的とするところはキャリッジの往復動において紙間変動のないインクジェット記録装置を提供するものである。   The present invention solves the above-described problems, and an object of the present invention is to provide an ink jet recording apparatus that does not cause a paper-to-paper variation in the reciprocating movement of a carriage.

上記目的を達成するための本発明の構成は、
インクを吐出して記録媒体に記録を行う記録手段を保持するキャリッジと、
前記キヤリッジを前記記録媒体の搬送方向に直行する方向に往復移動可能に支持するキャリッジ軸を有するインクジェット記録装置において、
前記キャリッジ軸を本体の左右側板に固定する際、左側板とは固定し、右側板に対しては係合穴からキャリッジ軸を突出させ、右側板外側のキャリッジ軸突出部に荷重をかけてキャリッジの重量によるキャリッジ軸のたわみをキャンセルするように固定したことを特徴とするインクジェット記録装置である。 The configuration of the present invention for achieving the above object is as follows.
A carriage holding recording means for discharging ink and recording on a recording medium;
In an inkjet recording apparatus having a carriage shaft that supports the carriage so as to be capable of reciprocating in a direction perpendicular to the conveyance direction of the recording medium,
When the carriage shaft is fixed to the left and right side plates of the main body, it is fixed to the left side plate, the carriage shaft is protruded from the engagement hole to the right side plate, and a load is applied to the carriage shaft protruding portion outside the right side plate. The inkjet recording apparatus is fixed so as to cancel the deflection of the carriage shaft due to its weight.

本発明によれば、キャリッジの往復動において紙間変動のないインクジェット記録装置を提供することができる。   According to the present invention, it is possible to provide an ink jet recording apparatus in which there is no fluctuation between sheets in the reciprocation of the carriage.

（実施例１）
以下、図面を参照して、本発明を適用した記録装置の実施の形態について具体的に説明する。図１は本発明のインクジェット記録装置の第1実施例を示す概略断面図である。ヘッド2はキャリッジ1に搭載されており、キャリッジ軸3をガイドに不図示のモータにより往復動を行う。キャリッジ軸3の材料には金属が用いられる。キャリッジ軸3はＰ1位置にて側板5に対し固定されており、側板6に対しては多少のがたをもって係合している。側板6及び側板7は底板8に固定されている。7は調整ねじで、これを回転することによりキャリッジ軸3のＰ３位置を下方向に押圧可能である。4はプラテンで、不図示の給送ローラにより搬送される記録シート材を案内する。 Example 1
Hereinafter, embodiments of a recording apparatus to which the present invention is applied will be described in detail with reference to the drawings. FIG. 1 is a schematic cross-sectional view showing a first embodiment of the ink jet recording apparatus of the present invention. The head 2 is mounted on the carriage 1 and reciprocates by a motor (not shown) using the carriage shaft 3 as a guide. Metal is used as the material of the carriage shaft 3. The carriage shaft 3 is fixed to the side plate 5 at the P1 position, and is engaged with the side plate 6 with some play. The side plate 6 and the side plate 7 are fixed to the bottom plate 8. Reference numeral 7 denotes an adjustment screw, which can be pressed downward by rotating the P3 position of the carriage shaft 3. A platen 4 guides a recording sheet material conveyed by a feeding roller (not shown).

次に本発明におけるヘッド2とプラテン4のギャップ調整の方法を説明する。ギャップ調整が行われていない場合のキャリッジ軸3の状態を二点鎖線で示すが、ヘッド1とプラテン4の間隔Ｇはキャリッジ1とヘッド2の重量によるキャリッジ軸3のたわみにより、Ｂ方向にヘッド2が移動して中央付近で小さくなる。ここで調整ねじ7を回転させ、キャリッジ軸3のＰ3位置を押圧することで、Ｐ2位置を支点にしてキャリッジ軸3はＡ方向に変形しようとする力が働くため、キャリッジ1及びヘッド2の重量によるキャリッジ軸3のＢ方向への変形量を小さくすることが可能となる。よって、プラテン4の全域にわたり、ヘッド2との間隔Ｇの変化が最小となるように調整することが可能となる。本発明において、キャリッジ軸のＰ3位置への押圧のために調整ねじを用いたが、例えばばね等で下方向に荷重をかける等の他の押圧手段でも適用可能なのは言うまでもない。   Next, a method for adjusting the gap between the head 2 and the platen 4 in the present invention will be described. The state of the carriage shaft 3 when the gap is not adjusted is indicated by a two-dot chain line. The distance G between the head 1 and the platen 4 is the head in the B direction due to the deflection of the carriage shaft 3 due to the weight of the carriage 1 and the head 2. 2 moves and becomes smaller near the center. Here, by rotating the adjusting screw 7 and pressing the P3 position of the carriage shaft 3, the carriage shaft 3 exerts a force to deform in the A direction with the P2 position as a fulcrum, so the weight of the carriage 1 and the head 2 Thus, the amount of deformation of the carriage shaft 3 in the B direction can be reduced. Therefore, it is possible to make adjustment so that the change in the distance G from the head 2 is minimized over the entire area of the platen 4. In the present invention, the adjusting screw is used for pressing the carriage shaft to the P3 position, but it goes without saying that it can be applied to other pressing means such as applying a load downward with a spring or the like.

（実施例２）
実施例1と同様の部分に関しては説明を省く。図2は本発明のインクジェット記録装置の第2実施例を示す概略断面図である。キャリッジ軸3は側板50に対しても多少のがたをもって係合している。70は調整ねじで、これを回転することによりキャリッジ軸3のＰ5位置を下方向に押圧可能である。以上のように左右の両側板に対して調整機構を設けたことにより、間隔Ｇ調整時において、側板6及び側板50にかかる力が1/2程度にできるため、側板6及び側板50まわりの剛性等を必要以上に強くする必要がなくなり、コストアップ要因とならない。 (Example 2)
A description of the same parts as those in the first embodiment will be omitted. FIG. 2 is a schematic sectional view showing a second embodiment of the ink jet recording apparatus of the present invention. The carriage shaft 3 is also engaged with the side plate 50 with some play. Reference numeral 70 denotes an adjustment screw, which can be pressed downward by rotating the P5 position of the carriage shaft 3. Since the adjustment mechanism is provided for the left and right side plates as described above, the force applied to the side plate 6 and the side plate 50 can be reduced to about a half when the gap G is adjusted. It is no longer necessary to make it stronger than necessary.

本発明のインクジェット記録装置の第1実施例を示す概略断面図である。1 is a schematic sectional view showing a first embodiment of an ink jet recording apparatus of the present invention. 本発明のインクジェット記録装置の第2実施例を示す概略断面図である。FIG. 3 is a schematic sectional view showing a second embodiment of the ink jet recording apparatus of the present invention.

符号の説明Explanation of symbols

1 キャリッジ
2 ヘッド
3 キャリッジ軸
4 プラテン
5 側板
6 側板
7 調整ねじ 1 Carriage
2 heads
3 Carriage shaft
4 Platen
5 Side plate
6 Side plate
7 Adjustment screw

Claims (1)

インクを吐出して記録媒体に記録を行う記録手段を保持するキャリッジと、
前記キヤリッジを前記記録媒体の搬送方向に直行する方向に往復移動可能に支持するキャリッジ軸を有するインクジェット記録装置において、
前記キャリッジ軸を本体の左右側板に固定する際、左側板とは固定し、右側板に対しては係合穴からキャリッジ軸を突出させ、右側板外側のキャリッジ軸突出部に荷重をかけてキャリッジの重量によるキャリッジ軸のたわみをキャンセルするように固定したことを特徴とするインクジェット記録装置。 A carriage holding recording means for discharging ink and recording on a recording medium;
In an inkjet recording apparatus having a carriage shaft that supports the carriage so as to be capable of reciprocating in a direction perpendicular to the conveyance direction of the recording medium,
When the carriage shaft is fixed to the left and right side plates of the main body, it is fixed to the left side plate, the carriage shaft is protruded from the engagement hole to the right side plate, and a load is applied to the carriage shaft protruding portion outside the right side plate. An ink jet recording apparatus fixed so as to cancel the deflection of the carriage shaft due to the weight of the ink.
JP2005363533A 2005-12-16 2005-12-16 Inkjet recorder Withdrawn JP2007160874A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005363533A JP2007160874A (en) 2005-12-16 2005-12-16 Inkjet recorder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005363533A JP2007160874A (en) 2005-12-16 2005-12-16 Inkjet recorder

Publications (1)

Publication Number Publication Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014046561A (en) * 2012-08-31 2014-03-17 Seiko Epson Corp Inkjet recording device
JP2016153243A (en) * 2016-05-18 2016-08-25 セイコーエプソン株式会社 Inkjet recording device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014046561A (en) * 2012-08-31 2014-03-17 Seiko Epson Corp Inkjet recording device
JP2016153243A (en) * 2016-05-18 2016-08-25 セイコーエプソン株式会社 Inkjet recording device

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