【発明の詳細な説明】［産業上の利用分野］キャリッジがプラテンに沿って移動し、該プラテン上の
用紙に印字を行うプリンタのキャリツノ軸受機構に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a carriage horn bearing mechanism of a printer in which a carriage moves along a platen and prints on paper on the platen.
［従来技術］従来、ドツト及びデーノーなどのプリンタのキャリッジ
を移動可能に支持する軸受機構においては、軸受に銅系
もしくは鉄系の含油材料が、又、相対する輸には焼入れ
鋼やニッケルメッキなどの表面処理材が主に用いられて
いる。[Prior Art] Conventionally, in the bearing mechanism that movably supports the carriage of printers such as Dot and Deno, the bearing is made of copper-based or iron-based oil-impregnated material, and the opposing material is made of hardened steel, nickel plating, etc. Surface treatment materials are mainly used.
プラテン上の用紙に印字を行うために、印字ユニットを
搭載したキャリツノは、該プラテンに対して平行に位置
する〃イド軸上を往復動する。この移動の円滑さが印字
品質に大きく影響を及ぼすこととなる。In order to print on a sheet of paper on a platen, a printer carrying a printing unit reciprocates on an idle shaft located parallel to the platen. The smoothness of this movement greatly affects print quality.
［発明が解決しようとする課題］近年、これらのプリンタにおいても印字の高速化、高品
質化が要求されるに至っている中で、インク成分や印字
用紙の粉をはじめとした異物の混入や含油軸受の部分的
な油切れなどによる紬及び軸受の摩耗が大きな問題とな
っている。これらは直接印字の品質に結びつくものであ
り、円滑なキャリツノの移動をも妨げる事となり、とて
も高速での均一な印字に向くとは云い難い。[Problem to be solved by the invention] In recent years, there has been a demand for higher printing speed and higher quality for these printers. Wear of the pongee and bearings due to partial oil shortage in the bearings has become a major problem. These are directly related to the quality of printing, and they also impede smooth movement of the caliper, making it difficult to say that they are suitable for uniform printing at very high speeds.
本発明は、上述した問題点を解決するためになされたも
のであり、インクの成分や印字用紙の粉をはじめとした
異物の混入や含油軸受の部分的な油切れの際にも、紬及
び軸受が摩耗や焼き付きなどを起こすことなく、円滑な
キャリツノの移動を実現し、より高速、高品質な印字を
可能とする７リンタのキャリッジ軸受機構を提供するこ
とを目的としている。The present invention has been made to solve the above-mentioned problems, and even when foreign substances such as ink components and printing paper powder are mixed in, or when the oil-impregnated bearing partially runs out of oil, it can be The purpose of the present invention is to provide a 7-liner carriage bearing mechanism that realizes smooth movement of the carriage horn without bearing wear or seizure, and enables higher-speed, high-quality printing.
［課題を解決するための手段１この目的を達成するために本発明のプリンタのキャリツ
ノ軸受機構では、軸受を含油性の硬質セラミックス材料
で形成し、相対する軸にはその軸受材料に対して良好な
摺動特性を示し得る材料をｍいている。[Means for Solving the Problems 1] In order to achieve this object, in the caliper bearing mechanism of the printer of the present invention, the bearing is formed of an oil-impregnated hard ceramic material, and the opposing shaft is made of a hard ceramic material that is suitable for the bearing material. We use materials that can exhibit excellent sliding properties.
［作用１上記の構成を有する本発明によれば、含油性の硬質セラ
ミックス材料には２〜２０体積％の空孔が存在しており
、その空孔部分に、たとえばフッ素油の様な潤滑性能の
良い油が含浸されている。[Operation 1] According to the present invention having the above configuration, the oil-impregnated hard ceramic material has 2 to 20% by volume of pores, and the pores are filled with a lubricating agent such as fluorine oil. Impregnated with good oil.
この硬質セラミックス材料にはアルミナ（Ａ ＋２０３
）、クルコニア（ＺｒＯｚ）、クロミア（Ｃｒ２０３）
、炭化珪素（ＳｉＣ）、窒化珪素（Ｓ ｉｉＮ ４）な
どを主成分とするものが用いられ、いずれもこれら単独
においても耐摩耗性の高い材料である。加えて、２〜２
０＃−積％の空孔を保有していてもなお、３０Ｋｇ／ｌ
１ｌＩＩ１２以上の抗折強度を示し得る。This hard ceramic material contains alumina (A +203
), Curconia (ZrOz), Chromia (Cr203)
, silicon carbide (SiC), silicon nitride (S iiN 4), etc. are used as main components, and each of these materials alone has high wear resistance. In addition, 2-2
Even if it has 0#-vol% vacancies, it still has 30Kg/l
It can exhibit a bending strength of 1lII12 or more.
相対する紬材料は選定された軸受材料との間で摺動性の
良好なものを用いるべきであり、種々考えられるが、特
に表面粗度の良好な焼入れ鋼、硬質で潤滑性良好なメツ
キ及び溶射などの表面処理材などから、その都度選定さ
れるのが好ましい。The opposing pongee material should be one that has good sliding properties with the selected bearing material. Various options are available, but in particular, hardened steel with good surface roughness, hard plating with good lubricity, and It is preferable that the material be selected each time from surface treatment materials such as thermal spraying.
こうした軸受機構によれば異物混入や油切れなどによる
摩耗も極く少なく、さらに摺動性も良好な事から、円滑
なキャリツノ移動が実現でき、高速印字化においても容
易に追従し、なおかつ良好な印字品質を長期に渡って維
持できる。With this bearing mechanism, there is very little wear due to contamination by foreign matter or lack of oil, and it also has good sliding properties, so it is possible to realize smooth movement of the knife, and it can easily follow even high-speed printing, and still has good performance. Print quality can be maintained over a long period of time.
［実施例］以下、本発明を具体化した一実施例を図面を参照して説
明する。[Example] Hereinafter, an example embodying the present invention will be described with reference to the drawings.
第１図はプリンタのキャリツノ軸受８！溝を示す概略図
である。キャリツノ２はプラテン１上のｍ紙に印字する
ための印字ヘッド（図示せず）を搭載し、該プラテン１
に対して平行に位置するがイド軸４とは軸受３を介して
〃イド紬４の輪方向に往復動可能に支持されている。な
お、プラテン１及び〃イド紬４はプリンタ本体枠５に対
してプラテン１は回転可能に支持され、〃イド軸４は固
定されている。ここで軸受３には１８％程の空孔率を有
する炭化珪素（ＳｉＣ）セラミックスを用いており、そ
の空孔部分に潤滑性の良いフッ素油が含浸されている。Figure 1 shows the printer's caliper bearing 8! It is a schematic diagram showing a groove. The printer 2 is equipped with a print head (not shown) for printing on the m paper on the platen 1.
Although it is located parallel to the id shaft 4, it is supported via a bearing 3 so as to be able to reciprocate in the direction of the ring of the id pongee 4. Note that the platen 1 and the id shaft 4 are rotatably supported by the printer body frame 5, and the id shaft 4 is fixed. Here, the bearing 3 is made of silicon carbide (SiC) ceramics having a porosity of about 18%, and the pores are impregnated with fluorine oil having good lubricity.
又、相対する〃イド紬４には鋼材の表面にクロミア（Ｃ
ｒ２０ｓ）ｉ？、セラミックスのプラズマ溶射皮膜を形
成している。軸受３．〃イド紬４いずれもその摺動表面
は機械加工により０．８Ｚ以下に仕上げられている。こ
の組合せは共に硬質のセラミックス材料であり、親和性
もなく、良好な摺動特性を示すものである。その特性は
含浸したフッ素油により一層効果を増しており、１１１
／Ｓを越す様な高速の往復運動にも良好で円滑な動きを
実現できる。摩耗量は、従米主に使用されでいた銅系含
油軸受とニッケルメッキ軸などの組合せに比べ４１／１
００以下と極めて少なく、良好な印字状態を長期に渡っ
て維持する事が可能となった。In addition, the opposite Ido Tsumugi 4 has chromia (C) on the steel surface.
r20s)i? , forming plasma sprayed coatings on ceramics. Bearing 3. The sliding surface of all Ido Tsumugi 4 is finished by machining to 0.8Z or less. This combination is made of hard ceramic materials, has no affinity, and exhibits good sliding properties. Its properties are further enhanced by the fluorine oil impregnated with 111
Good and smooth movement can be achieved even in high-speed reciprocating motions exceeding /S. The amount of wear is 41/1 compared to the combination of copper-based oil-impregnated bearings and nickel-plated shafts that were mainly used in the US.
00 or less, making it possible to maintain good printing conditions over a long period of time.
なお、別に少量の潤滑機構（７エルト給油など）を有す
るのであれば、空孔率１０％未満のａ密な炭化珪素（Ｓ
ｉＣ）セラミックスを眉いる事も可能である。In addition, if a small amount of lubrication mechanism (such as 7-elt oil supply) is provided, a-dense silicon carbide (S) with a porosity of less than 10% is used.
iC) It is also possible to make ceramics.
本実施例は以上詳述した如くであるが、この池にも本発
明は種々の実施形態が考えられ、いずれも有効である。Although this embodiment has been described in detail above, various embodiments of the present invention can be considered for this pond, and any of them are effective.
以下にその主な変形例を列挙する。The main variations are listed below.
（１） 軸受３に含油性の炭化珪素（ＳｉＣ）セラミッ
クスを、がイド軸４にＨｖ６００以上に焼入れした鋼材
をそれぞれ研摩して用いること。(1) Oil-impregnated silicon carbide (SiC) ceramics is used for the bearing 3, and steel material quenched to Hv600 or higher is used for the shaft 4, both of which are ground.
（２）軸受３に含油性の炭化珪素（ＳｉＣ）セラミック
スを、〃イド紬４に鋼材に対してクロムメンキを施して
それぞれ用いること。(2) The bearing 3 is made of oil-impregnated silicon carbide (SiC) ceramics, and the inner pongee 4 is made of chrome-plated steel.
［発明の効果１以上詳述したことから明らかなように、本発明によれば
、軸受を含油性の硬質セラミックス材料で形成し、相対
する軸にはその軸受材料に対して良好な摺動特性を示し
得る材料を用いたので、インクの成分や印字用紙の粉を
はじめとした異物の混入や、含油軸受の部分的な油切れ
などの際にも、紬及び軸受が摩耗や焼き付きなどを起こ
すことなく、円滑なキャリッジの移動を実現し、より高
速、高品質な印字を可能とするものである。[Effect of the Invention 1] As is clear from the detailed description above, according to the present invention, the bearing is formed of an oil-impregnated hard ceramic material, and the opposing shaft has good sliding characteristics with respect to the bearing material. Because we use materials that can exhibit this, the pongee and bearings can wear out or seize even if foreign substances such as ink components or printing paper powder are mixed in, or if the oil-impregnated bearings partially run out of oil. This realizes smooth carriage movement without any friction, and enables faster, higher-quality printing.
図面は本発明を具体化した一実施例を示すプリンタのキ
ャリッジ軸受機構を示す概略図である。１・・・プラテン、２・・・キャリッジ、３・・・軸受
、４・・・ガイド紬。The drawing is a schematic view showing a carriage bearing mechanism of a printer showing an embodiment embodying the present invention. 1... platen, 2... carriage, 3... bearing, 4... guide pongee.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27540189AJPH03140621A (en) | 1989-10-23 | 1989-10-23 | Carriage bearing mechanism for printer |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27540189AJPH03140621A (en) | 1989-10-23 | 1989-10-23 | Carriage bearing mechanism for printer |
| Publication Number | Publication Date |
|---|---|
| JPH03140621Atrue JPH03140621A (en) | 1991-06-14 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27540189APendingJPH03140621A (en) | 1989-10-23 | 1989-10-23 | Carriage bearing mechanism for printer |
| Country | Link |
|---|---|
| JP (1) | JPH03140621A (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6229558B1 (en) | 1997-06-10 | 2001-05-08 | Seiko Instruments Inc. | Printer, printing system, and printing method using print paper with photosensitive microcapsules applied thereto |
| US7007369B2 (en) | 2001-07-24 | 2006-03-07 | Lite-On Technology Corporation | Manufacturing method of shaft sleeve structure |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6229558B1 (en) | 1997-06-10 | 2001-05-08 | Seiko Instruments Inc. | Printer, printing system, and printing method using print paper with photosensitive microcapsules applied thereto |
| US7007369B2 (en) | 2001-07-24 | 2006-03-07 | Lite-On Technology Corporation | Manufacturing method of shaft sleeve structure |
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|---|---|---|
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