JPH0256351A - Paper feed roller - Google Patents
Paper feed rollerInfo
- Publication number
- JPH0256351A JPH0256351A JP20658888A JP20658888A JPH0256351A JP H0256351 A JPH0256351 A JP H0256351A JP 20658888 A JP20658888 A JP 20658888A JP 20658888 A JP20658888 A JP 20658888A JP H0256351 A JPH0256351 A JP H0256351A
- Authority
- JP
- Japan
- Prior art keywords
- fine
- metal body
- hard
- soft metal
- roller
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 claims abstract description 26
- 229910052751 metal Inorganic materials 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims abstract description 18
- 239000000843 powder Substances 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 229910000838 Al alloy Inorganic materials 0.000 abstract description 2
- 239000010419 fine particle Substances 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 17
- 229910052782 aluminium Inorganic materials 0.000 description 12
- 239000000919 ceramic Substances 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 229910001096 P alloy Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000036772 blood pressure Effects 0.000 description 2
- 238000007772 electroless plating Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明はＯＡ機器等に用いられ、記録用の紙を移動する
ために使用されるロールに関し、特にロール表面を高い
摩擦力を得るようにした紙送り用ロールに関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a roll used in OA equipment and the like to move recording paper. Regarding the paper feed roll.
［従来の技術］
現在のＯＡ機器の多くは、記録用のロール紙が装着され
ており、その紙をロールによって送り出すようになって
いるが、紙の送り出しに際し、それに見合った送り出し
装置として、その駆動精度と共に、駆動中に１１？■記
紙が滑らないようなロールを必要とした。[Prior Art] Most of the current OA equipment is equipped with roll paper for recording, and the paper is sent out by a roll. 11 during driving along with driving accuracy? ■Required a roll that would prevent the writing paper from slipping.
そこで、実開昭５５−６３３３９号には、ロールの耐久
性を向上させ、効率よく円滑に行う為にセラミックを表
面コーティングして粗面状とする技術が開示されている
。Therefore, Japanese Utility Model Application Publication No. 55-63339 discloses a technique in which the surface of the roll is coated with ceramic to give it a rough surface in order to improve the durability of the roll and to perform it efficiently and smoothly.
また、実開昭６３−１９５８号や実開昭６３−１９５９
号には表面に摩擦抵抗を与える素材として、セラミック
の粉体な混合する技術が開示されている。Also, Utility Model Application No. 63-1958 and Utility Model Application No. 63-1959
The issue discloses a technique for mixing ceramic powder as a material that provides frictional resistance to the surface.
また、特開昭６３−１３４６０３号には素材に金属粉末
を使用し、これを圧縮成型することにより、前記成型時
に出来る表面の荒さを利用して摩擦力の高い小型機器用
のブーりとする技術が開示されている。Furthermore, in JP-A No. 63-134603, metal powder is used as the material, and by compression molding it, the roughness of the surface created during the molding is used to create a boob for small equipment with high frictional force. The technology has been disclosed.
［発明が解決しようとする課題］
然し乍ら、かかる従来の技術にあっては、前記したセラ
ミックのように硬質のため耐久性の向上には大きな進歩
があるものの、素材として溶解するときに、それと同時
に混合する金属或は他の素材と比較して比重の差が大き
すぎ、そのため、混成中にセラミックの方が一方位置に
偏るという傾向が現われ、均一分散が望めないという問
題点があった。[Problems to be Solved by the Invention] However, in such conventional technology, although there has been great progress in improving durability because the ceramic is hard like the above-mentioned ceramic, when it is melted as a material, at the same time The difference in specific gravity is too large compared to the metal or other material to be mixed, and as a result, there is a problem that the ceramic tends to be biased to one position during mixing, and uniform dispersion cannot be expected.
また、セラミック自身硬度が高いため加工性が悪く、均
一な加工の必要性から量産性に欠けるという問題点も発
生した。In addition, the ceramic itself has high hardness, resulting in poor workability and the need for uniform processing, resulting in a lack of mass production.
［課題を解決するための手段］
本発明は、従来にある問題点を有効に解決せんとして開
発されたものであって、軟質の金属体表面に前記軟質金
属体よりも硬質な性質をもった薄肉の金属皮膜を被覆し
た後細塊状とし、１〕ゴ記細塊状とした粉細体を、別に
用意した同一の軟質金属体の細塊体に混成して加熱圧縮
することによりロール形状に成型し、前記成型表面を腐
食することにより、前記硬質材のみを表出する高摩擦を
イイする紙送り用ロールを提供するものである。[Means for Solving the Problems] The present invention was developed to effectively solve the conventional problems, and includes a soft metal body having a surface harder than the soft metal body. After being coated with a thin metal film, it is made into a fine lump, and 1) The fine powder that has been made into a fine lump is mixed with a separately prepared fine lump of the same soft metal body and heated and compressed to form a roll shape. The present invention also provides a paper feeding roll that exhibits high friction by exposing only the hard material by corroding the molded surface.
［作用Ｊ
本発明は、高摩擦を得るために、硬質材料をロール表面
に表出させるものであるが、その手段として腐食により
硬質部）υの一部を表面に突出させるものであり、これ
により、硬質被覆体のリングが血圧を上げる効果を生み
だし、また硬質部の脱落が出にくい。[Function J] In order to obtain high friction, the present invention exposes a hard material on the surface of the roll, and as a means to do so, a part of the hard material υ is made to protrude from the surface by corrosion. As a result, the hard covering ring produces the effect of increasing blood pressure, and the hard part is less likely to fall off.
しかも、硬質被覆体は、 ＋ｊｉ記のようにリング状と
なって形成されるため金属ベルトの面に対しても線接触
となるため安定した血圧を維持することが出来る。Furthermore, since the hard covering is formed in a ring shape as shown in +ji, it is in line contact with the surface of the metal belt, so that stable blood pressure can be maintained.
［実施例］ 以下、本発明の一実施例について詳細に説明する。[Example] Hereinafter, one embodiment of the present invention will be described in detail.
本実施例にかかるロールの素材としては、例としてアル
ミニウム合金が使用される。As the material of the roll according to this embodiment, an aluminum alloy is used, for example.
即ち、アルミニウムのような軟質の金属体４の表面に、
第２図で示す前記アルミニウム金属体４よりも硬質な性
質をもった薄肉の金属皮膜５を化学的に、あるいは電気
化学的に被覆した後細塊状とし、前記細塊状とした粉細
体２を、別に用意した同一のアルミニウム金属体の細塊
体３に混成して加熱圧縮した後、必要とする形状のロー
ル形状１に成型し、前記成型した表面を化学的に反応腐
食することにより、前記硬質材５のみをロール１の表面
から表出するのである。That is, on the surface of a soft metal body 4 such as aluminum,
After chemically or electrochemically coating a thin metal coating 5 having properties harder than the aluminum metal body 4 shown in FIG. , by heating and compressing the fine lump 3 of the same aluminum metal body prepared separately, molding it into the roll shape 1 of the required shape, and chemically reaction corroding the molded surface. Only the hard material 5 is exposed from the surface of the roll 1.
ここで、第２図により前記した細塊状とした粉細体２は
、アルミニウムの細い棒体４の外周全体に、例えばＮ１
−Ｐ合金になる無電解メツキを化学的に鍍膜し、その後
機械的に輪切り状に切断して使用するか、第３図のよう
に最初にアルミニウムな粉細体４として、そのままの状
態でＮ１−Ｐ合金による無電解メツキを行い、硬化層５
を形成してこのままの状態で使用する。Here, the fine powder 2 described above in FIG.
- Electroless plating that becomes a P alloy can be chemically coated and then mechanically cut into slices for use, or as shown in Figure 3, it can be first made into fine aluminum powder 4 and used as it is. - Perform electroless plating with P alloy, and harden layer 5
Form and use as is.
そして、アルミニウムを一様に粉細状とした素材３の中
に、前記した硬質被覆を付けた硬質状のアルミニウム体
２を混合する。混合の割合は半々ずつか、或はアルミニ
ウム素材３の方をやや多くするように心がければよい。Then, the hard aluminum body 2 with the hard coating described above is mixed into the material 3 made of uniformly finely powdered aluminum. The mixing ratio should be 50/50, or the aluminum material 3 should be slightly larger.
次ぎに、１１１１記した二種類のアルミ金属体を十分に
混合して加圧し、アルミニウムの融点近辺に迄加熱する
が、しかしアルミニウム素材が完全に溶解はしない程度
に加熱する。これにより第４図のように、この工程によ
り両者は完全に一体的な合金となる。Next, the two types of aluminum metal bodies described in 1111 are thoroughly mixed, pressurized, and heated to near the melting point of aluminum, but heated to such an extent that the aluminum material does not completely melt. As a result, as shown in FIG. 4, the two become a completely integrated alloy through this process.
しかも、この中に混合した硬質材５は変形を受けること
なく合金状に固着する。Moreover, the hard material 5 mixed therein is fixed in the form of an alloy without being deformed.
前記ロール形状は紙幅に合った寸法形状とされるが、更
に成型表面は機械的に加工され、第４図のように円滑状
にされる。The roll shape is sized to match the width of the paper, and the molding surface is further mechanically processed to make it smooth as shown in FIG.
前記成型表面が摺動相手である紙面に合致するように鏡
面状となったあとでは、化学的な腐食が行われる。After the molded surface has become mirror-like so as to match the paper surface against which it slides, chemical corrosion is performed.
即ち、素材がアルミニウムの場合では、回外ソーダが腐
食剤として使用される。That is, when the material is aluminum, supinated soda is used as a corrosive agent.
この腐食により、アルミ素材３の表面が僅かに腐食され
ると、同時に硬質金属体５の中のアルミ素材４もその一
部が腐食溶解して、第５図のように硬質材５のみが円環
状に突出する。When the surface of the aluminum material 3 is slightly corroded due to this corrosion, a part of the aluminum material 4 inside the hard metal body 5 is also corroded and dissolved, and only the hard material 5 is circular as shown in FIG. protrudes in an annular shape.
この硬質体５の先端は、第６図のように前記した機械加
工により平面体に忠実に切断されているため、紙のよう
な軟質面が摺動しても十分に保護され、しかも抵抗体と
しての効果が発揮出来るのである。Since the tip of this hard body 5 is cut faithfully into a flat body by the above-described machining process as shown in FIG. The effect can be demonstrated as follows.
［発明の効果］
以ｆ＝の如く、本発明に係る紙送り用ロールでは高摩擦
を得るために、硬質材料をロール表面に表出させるもの
であるが、その手段として腐食により硬質被覆の一部を
表面に突出させて、その表面の切断面で抵抗を得るよう
にしたため、ｒｒｌｉ記硬質被覆の紙面に当接する部分
がエツジ而で受けるようになり、従って面圧を均一に受
け５紙面を損傷することなく、しかも安定して送り出す
事ができる。[Effects of the Invention] As shown in f= below, in order to obtain high friction in the paper feed roll according to the present invention, a hard material is exposed on the roll surface. By making the part protrude from the surface to obtain resistance at the cut surface of the surface, the part of the hard coating that comes into contact with the paper surface receives it at the edge, and therefore the surface pressure is evenly received and the paper surface is It can be sent out stably without being damaged.
しかも、はぼリング状に形成された硬質被覆体は、その
中にあるアルミ素材がロール素材と一体化して固定され
ているので、脱落することがなく長期安定した駆動が得
られる。Moreover, since the aluminum material in the ring-shaped hard covering is fixed integrally with the roll material, it will not fall off and stable driving can be achieved over a long period of time.
第１図は本発明になる紙送り用ロールの概念図であり、
第２図は、八で硬質被覆体を形成した状態図を、Ｂで切
断した状態図を示し、第３図は他の実施例で、アルミ粉
細体で硬質部分を形成する状態図を示し、第４図は混成
したあと、表面を機械加工した状態の概念図、第５図は
腐食して硬質部分が表出した概念図、第６図は表出した
硬質部分を説明する図である。
紙送り用ロール
硬質体
アルミ素材
アルミ素材
硬質被覆FIG. 1 is a conceptual diagram of a paper feeding roll according to the present invention,
Fig. 2 shows a state diagram in which a hard coating is formed in step 8, cut at point B, and Fig. 3 shows a state diagram in which a hard part is formed with aluminum powder in another embodiment. , Fig. 4 is a conceptual diagram of the surface machined after mixing, Fig. 5 is a conceptual diagram of the corroded hard part exposed, and Fig. 6 is a diagram explaining the exposed hard part. . Paper feeding roll Hard aluminum material Aluminum material Hard coating
Claims (1)
をもった薄肉の金属皮膜を被覆した後細塊状とし、前記
細塊状とした粉細体を、別に用意した同一の軟質金属体
の細塊体に混成して加熱圧縮することによりロール形状
に成型し、前記成型表面を腐食することにより、前記硬
質材のみを表出することを特徴とする紙送り用ロール。The surface of a soft metal body is coated with a thin metal film that is harder than the soft metal body, and then made into fine pieces, and the fine powder made into fine pieces is then separately prepared into fine pieces of the same soft metal body. A paper feeding roll characterized in that the material is mixed into a mass and heated and compressed to form a roll shape, and the surface of the molded material is corroded so that only the hard material is exposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63206588A JPH0794299B2 (en) | 1988-08-19 | 1988-08-19 | Manufacturing method of paper feed roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63206588A JPH0794299B2 (en) | 1988-08-19 | 1988-08-19 | Manufacturing method of paper feed roll |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0256351A true JPH0256351A (en) | 1990-02-26 |
| JPH0794299B2 JPH0794299B2 (en) | 1995-10-11 |
Family
ID=16525890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63206588A Expired - Lifetime JPH0794299B2 (en) | 1988-08-19 | 1988-08-19 | Manufacturing method of paper feed roll |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0794299B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5343807A (en) * | 1992-03-06 | 1994-09-06 | Man Roland Druckmaschinen Ag | Sheet-guiding impression-cylinder casing profile |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63160967A (en) * | 1986-12-20 | 1988-07-04 | Kato Hatsujo Kaisha Ltd | Roller for feeding sheet and manufacture thereof |
-
1988
- 1988-08-19 JP JP63206588A patent/JPH0794299B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63160967A (en) * | 1986-12-20 | 1988-07-04 | Kato Hatsujo Kaisha Ltd | Roller for feeding sheet and manufacture thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5343807A (en) * | 1992-03-06 | 1994-09-06 | Man Roland Druckmaschinen Ag | Sheet-guiding impression-cylinder casing profile |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0794299B2 (en) | 1995-10-11 |
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