JPS6037400Y2 - expander roll - Google Patents
expander rollInfo
- Publication number
- JPS6037400Y2 JPS6037400Y2 JP2469581U JP2469581U JPS6037400Y2 JP S6037400 Y2 JPS6037400 Y2 JP S6037400Y2 JP 2469581 U JP2469581 U JP 2469581U JP 2469581 U JP2469581 U JP 2469581U JP S6037400 Y2 JPS6037400 Y2 JP S6037400Y2
- Authority
- JP
- Japan
- Prior art keywords
- heat
- bobbin
- shaft
- outer periphery
- bobbins
- 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
Links
Landscapes
- Packages (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
Description
【考案の詳細な説明】
この考案は、紙、布および合成樹脂フィルム等の皺伸し
等に使用されるエキスパンダーロールに関する。[Detailed Description of the Invention] This invention relates to an expander roll used for removing wrinkles from paper, cloth, synthetic resin films, etc.
従来のゴム被覆エキスパンダーロールを高温条件下で使
用する場合、熱によってゴム物性が劣化するため、紙、
布および合成樹脂フィルム等の被処理物とロール表面と
の摩擦接触によるロールの摩耗進行が早くなる。When using conventional rubber-coated expander rolls under high-temperature conditions, the physical properties of the rubber deteriorate due to heat, so paper,
Roll wear progresses quickly due to frictional contact between the roll surface and the object to be processed, such as cloth or synthetic resin film.
また、ゴム物性の劣化により表面ひび割れが起こり、性
能が低下するとともに被処理物に品質上の悪影響を及ぼ
す。In addition, surface cracks occur due to deterioration of the physical properties of the rubber, which deteriorates performance and adversely affects the quality of the processed object.
このように、高温条件下でのゴム被覆エキスパンダーロ
ールの寿命は短く、一般に数箇月である。Thus, the lifespan of rubber coated expander rolls under high temperature conditions is short, typically several months.
このため、例えば製紙工業の抄紙工程におけるドライヤ
ーパート等では、軸の外周に多数の円筒状の鋼製ボビン
が軸受を介して取付けられた金属製エキスパンダーロー
ルが使用されることもあるが、この場合にはボビン相互
間のシールが常に問題になる。For this reason, for example, in the dryer part of the papermaking process in the paper manufacturing industry, metal expander rolls with a large number of cylindrical steel bobbins attached to the outer periphery of the shaft via bearings are sometimes used. Sealing between bobbins is always a problem.
エキスパンダーロールは若干彎曲させて使用されるため
、金属製の場合にはボビン相互間に若干の隙間が設けら
れるが、湿紙や張力の大きい紙の場合には、この隙間が
皺の発生や断紙の原因となり易い。Since the expander roll is used slightly curved, there will be a slight gap between the bobbins when the roll is made of metal, but when using wet paper or paper with high tension, this gap can cause wrinkles and breakage. This can easily be caused by paper.
また、ボビン間に紙粉や埃が詰まり易く、これらがボビ
ンの外周まで詰まった場合には、紙が汚れると同時にや
はり皺の発生や断紙の原因となる。Furthermore, paper powder and dust are likely to become clogged between the bobbins, and if they become clogged up to the outer periphery of the bobbin, the paper becomes dirty and also causes wrinkles and paper breakage.
さらに、エキスパンダーロールの軸受には耐熱グリース
が封入されるが、このグリースが熱により劣化して潤滑
不良を起きずため、軸受の寿命が短くなる。Furthermore, although heat-resistant grease is sealed in the expander roll bearing, this grease does not deteriorate due to heat and cause poor lubrication, which shortens the life of the bearing.
この考案は、上記の実情に鑑みてなされたものであって
、高温条件下で使用される場合でも寿命が長く、かつ被
処理物の皺の発生や破損および汚れのおそれがないエキ
スパンダーロールを提供スることを目的とする。This idea was made in view of the above-mentioned circumstances, and provides an expander roll that has a long life even when used under high-temperature conditions, and is free from the risk of wrinkles, damage, and staining of the processed material. The purpose is to
以下この考案を実施例を示す図面を参照して説明する。This invention will be explained below with reference to drawings showing embodiments.
図面において、エキスパンダーロールは、両端に冷却水
の入口1および出口2が設けられた中空軸3と、耐熱グ
リースが封入された軸受4を介しかつ相互に若干の隙間
をあけて軸3の外周に取付けられた多数の筒状の金属性
ボビン5と、全てのボビン5を覆うようにボビン5の外
周に被せられた耐熱性熱収縮チューブ6とを備えている
。In the drawing, the expander roll has a hollow shaft 3 provided with a cooling water inlet 1 and an outlet 2 at both ends, and a bearing 4 sealed with heat-resistant grease on the outer periphery of the shaft 3 with a slight gap between them. It includes a large number of attached cylindrical metal bobbins 5 and a heat-resistant heat shrink tube 6 placed over the outer periphery of the bobbins 5 so as to cover all the bobbins 5.
軸3の入口1および出口3には冷却水ホース11,12
がそれぞれ接続され、軸3の中空部内に冷却水が供給さ
れるようになっている。Cooling water hoses 11 and 12 are installed at the inlet 1 and outlet 3 of the shaft 3.
are connected to each other so that cooling water is supplied into the hollow part of the shaft 3.
軸3の外周には、両端部にストップカラー7が嵌止めら
れ、これらの間に軸受ブシュ8とディスタンスピース9
とが交互に嵌められている。Stop collars 7 are fitted on both ends of the outer periphery of the shaft 3, and a bearing bush 8 and a distance piece 9 are inserted between these.
are inserted alternately.
ボビン5の内周には、長さ方向の中央部に軸受4が堅く
嵌入れられ、軸受4はブシュ8の外周に嵌止められてい
る。A bearing 4 is firmly fitted into the inner periphery of the bobbin 5 at the center in the longitudinal direction, and the bearing 4 is fitted onto the outer periphery of the bush 8.
また、両端のボビン5の外側の端部には内向きのフラン
ジ10が設けられている。Moreover, inward flanges 10 are provided at the outer ends of the bobbin 5 at both ends.
ボビン5には軸受4およびブシュ8が予め嵌止められて
おり、軸3の一端部にストップカラー7を嵌止めた後、
ボビン5が取付けられたブシュ8をディスタンスピース
9とを軸3の他端からこの順で次々に嵌めることにより
、エキスパンダーロールが簡単に組立てられ、耐熱性熱
収縮チューブ6を全ポビン5に被せて加熱収縮させるこ
とにより、チューブ6はボビン5外周面に密着する。A bearing 4 and a bush 8 are fitted to the bobbin 5 in advance, and after fitting the stop collar 7 to one end of the shaft 3,
By fitting the bushing 8 to which the bobbin 5 is attached to the distance piece 9 one after another in this order from the other end of the shaft 3, the expander roll is easily assembled, and the heat-resistant heat shrink tube 6 is placed over all the bobbins 5. By heating and shrinking, the tube 6 is brought into close contact with the outer peripheral surface of the bobbin 5.
そして、軸3は若干彎曲させられ、ボビン5が軸3のま
わりを回転する。Then, the shaft 3 is slightly bent, and the bobbin 5 rotates around the shaft 3.
耐熱性熱収縮チューブ6としては、テフロン(四フッ化
エチレン樹脂)、塩化ビニールまたはナイロン等の適当
な材料が用いられ、熱により収縮し易いように、その厚
さは0.5〜1r!rIr1程度が望ましい。The heat-resistant heat-shrinkable tube 6 is made of a suitable material such as Teflon (tetrafluoroethylene resin), vinyl chloride, or nylon, and has a thickness of 0.5 to 1 R so that it can easily shrink due to heat. RIr1 or so is desirable.
金属性ボビン5としては鋼等の適当な材料が用いられ、
軸受4の配置等、軸3に対するボビン5の取付構造は上
記実施例のものに限らない。A suitable material such as steel is used for the metal bobbin 5,
The mounting structure of the bobbin 5 to the shaft 3, such as the arrangement of the bearing 4, is not limited to that of the above embodiment.
この考案によるエキスパンダーロールは、両端に冷却水
の入口1および出口2が設けられた中空軸3と、耐熱グ
リースが封入された軸受4を介しかつ相互に若干の隙間
をあけて軸3の外周に取付けられた多数の筒状の金属製
ボビン5と、全てのボビン5を覆うようにボビン5の外
周に被せられた耐熱性熱収縮チューブ6とを備えたもの
であり、中空軸3内に供給される冷却水により軸受4内
のグリースが冷却されるため、劣化速度が小さく、寿命
が長くなる。The expander roll according to this invention has a hollow shaft 3 provided with a cooling water inlet 1 and an outlet 2 at both ends, and a bearing 4 sealed with heat-resistant grease, which is attached to the outer periphery of the shaft 3 with a slight gap between them. It is equipped with a large number of attached cylindrical metal bobbins 5 and a heat-resistant heat shrink tube 6 placed on the outer periphery of the bobbin 5 so as to cover all the bobbins 5, and is supplied into the hollow shaft 3. Since the grease inside the bearing 4 is cooled by the cooling water, the deterioration rate is low and the life is extended.
なお、グリースの温度が15℃低下することにより寿命
が約2倍になることが確かめられている。It has been confirmed that the life of the grease can be approximately doubled by lowering the temperature of the grease by 15°C.
また、金属製ボビン5の外周に耐熱性のチューブ6が被
せられているので、ゴム被覆エキスパンダーロールと違
って耐熱性に優れ、摩耗および劣化が少なく、寿命が長
い。Further, since the outer periphery of the metal bobbin 5 is covered with a heat-resistant tube 6, unlike a rubber-coated expander roll, it has excellent heat resistance, less wear and deterioration, and has a long life.
また、チューブ6によりボビン5相互間がシールされる
とともに隙間が塞がれるので、隙間による紙等の被処理
物の破損および皺の発生ならびに隙間に埃等が詰まるこ
とによる被処理物の汚れ等のおそれが全くない。In addition, since the tube 6 seals the bobbins 5 and closes the gap, the gap causes damage and wrinkles to the processed object such as paper, and dirt on the processed object due to dust getting stuck in the gap. There is no risk of
さらに、チューブ6が寿命に達しても、簡単に取替える
ことができ、保守が容易である。Furthermore, even when the tube 6 reaches the end of its life, it can be easily replaced and maintenance is easy.
図面はこの考案の実施例を示す部分切欠き側面図である
。
1・・・・・・冷却水の入口、2・・・・・・冷却水の
出口、3・・・・・・中空軸、4・・・・・・軸受、5
・・・・・・金属製ボビン、6・・・・・・耐熱性熱収
縮チューブ。The drawing is a partially cutaway side view showing an embodiment of this invention. 1... Cooling water inlet, 2... Cooling water outlet, 3... Hollow shaft, 4... Bearing, 5
...Metal bobbin, 6...Heat-resistant heat shrink tube.
Claims (1)
3と、耐熱グリースが封入された軸受4を介しかつ相互
に若干の隙間をあけて軸3の外周に取付けられた多数の
筒状の金属製ボビン5と、全てのボビン5を覆うように
ボビン5の外周に被せられた耐熱性熱収縮チューブ6と
を備えているエキスパンダーロール。A hollow shaft 3 has a cooling water inlet 1 and an outlet 2 at both ends, and a large number of cylindrical shafts are attached to the outer periphery of the shaft 3 with a slight gap between them through bearings 4 filled with heat-resistant grease. This expander roll is equipped with a metal bobbin 5 and a heat-resistant heat shrinkable tube 6 placed over the outer periphery of the bobbin 5 so as to cover all the bobbins 5.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2469581U JPS6037400Y2 (en) | 1981-02-23 | 1981-02-23 | expander roll |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2469581U JPS6037400Y2 (en) | 1981-02-23 | 1981-02-23 | expander roll |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57138842U JPS57138842U (en) | 1982-08-30 |
JPS6037400Y2 true JPS6037400Y2 (en) | 1985-11-07 |
Family
ID=29822411
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2469581U Expired JPS6037400Y2 (en) | 1981-02-23 | 1981-02-23 | expander roll |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6037400Y2 (en) |
-
1981
- 1981-02-23 JP JP2469581U patent/JPS6037400Y2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS57138842U (en) | 1982-08-30 |
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