JPS6322460A - Extremely light roller with shaft - Google Patents
Extremely light roller with shaftInfo
- Publication number
- JPS6322460A JPS6322460A JP16389286A JP16389286A JPS6322460A JP S6322460 A JPS6322460 A JP S6322460A JP 16389286 A JP16389286 A JP 16389286A JP 16389286 A JP16389286 A JP 16389286A JP S6322460 A JPS6322460 A JP S6322460A
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- roller
- aluminum
- mold
- ultra
- 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
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 21
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052791 calcium Inorganic materials 0.000 abstract description 3
- 239000011575 calcium Substances 0.000 abstract description 3
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 3
- 239000001257 hydrogen Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000010936 titanium Substances 0.000 abstract description 3
- 229910052719 titanium Inorganic materials 0.000 abstract description 3
- 238000005187 foaming Methods 0.000 abstract description 2
- 238000005406 washing Methods 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 abstract 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 abstract 1
- 238000003756 stirring Methods 0.000 description 4
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 230000009528 severe injury Effects 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Delivering By Means Of Belts And Rollers (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
- Rolls And Other Rotary Bodies (AREA)
Abstract
Description
【発明の詳細な説明】
「産業上の利用分野」
本発明のローラは、電子複写機、ファクシミリ、印刷機
特に大型印刷機または製紙機械などの紙送り用あるいは
洗いロール、−・ケロール、接着、合板ロール等に使用
するシャフト付き超軽量ローラに関する。Detailed Description of the Invention "Industrial Application Field" The roller of the present invention is suitable for paper feeding or washing rolls in electronic copying machines, facsimile machines, printing machines, especially large printing machines or paper making machines, etc. This article relates to an ultra-lightweight roller with a shaft used for plywood rolls, etc.
「従来の技術」
従来、厭送り用ローラは鋳鉄、鋳鋼製ローラの外周にゴ
ムちるいは合成衝脂膚が形成されている。ところが、こ
れら厭送りローラは原材料が廉く、かつ切削加工しやす
いので、広く利用烙れていたが、比ｌが大きいため、機
械装置全体の重量がかさむと共に回転数の上昇に比例し
てベアリングの損傷がはげしいなどの欠点を有する。``Prior Art'' Conventionally, a feed roller is made of cast iron or cast steel, and a rubber or synthetic resin skin is formed on the outer periphery of the roller. However, these feed rollers were widely used because their raw materials were inexpensive and they were easy to cut, but because of their large ratios, the weight of the entire mechanical device increased and bearings increased in proportion to the increase in rotational speed. It has disadvantages such as severe damage.
か＼る欠点を解消すべく鋳鉄、鋳鋼材に代えてアルミニ
ウム材を用いて一体成形したシャフト付きローラが開発
され、現在にいたっている。In order to eliminate these drawbacks, a roller with a shaft integrally formed using aluminum instead of cast iron or cast steel was developed and is still in use today.
「発明が解決しようとする問題点」
ところが、上記アルミニウム材からなるローラはアルミ
ニウム棒材を所仮寸法に切断したのち、該棒材に直接シ
ャフトを旋削形成した後に使用されているが、該シャフ
トはアルミ、ニウムのため、短期間にて摩耗する問題点
があった、該問題点に鑑み、純アルミニウム溶湯に発泡
剤を投入することにり、り発泡アルミニウムが形成され
ることがよく知られている。（特公昭３６−２０３５１
号、特公昭３９−８０３号、特公昭３６−１９４５９号
および特公昭４２−２０６０２号公報参朋）ムの利点を
生かすと同時にシャフトには耐摩耗性のすぐれた材料を
用いることが本発明の技術的課題である。``Problems to be Solved by the Invention'' However, the rollers made of aluminum are used after cutting an aluminum bar into predetermined dimensions and then directly forming a shaft on the bar. Because it is made of aluminum and nium, it has the problem of wearing out in a short period of time.In view of this problem, it is well known that foamed aluminum is formed by adding a foaming agent to pure aluminum molten metal. ing. (Special Public Interest Publication No. 36-20351
An advantage of the present invention is to take advantage of the advantages of the system and at the same time to use a material with excellent wear resistance for the shaft. This is a technical issue.
「問題点を′Ｍ決するための手段」
上記技術的課題を屓’１ｌＲｊるために、シャフトには
スチール葦たは該スチールと同等の耐摩耗性を肩する材
料からなり、そしてこれらシャフトの外周には、多数の
気泡を形成せしめた発泡アルミニウムからなるローラが
一体取形嘔れてなるシャフト付き超軽量ローラを提供す
ることにある。``Means for resolving the problem'' In order to solve the above technical problem, the shafts are made of steel reed or a material with wear resistance equivalent to that of steel, and the outer periphery of these shafts is The object of the present invention is to provide an ultra-lightweight roller with a shaft, which is formed by integrally molding a roller made of foamed aluminum in which a large number of bubbles are formed.
「作 用」
スチールシャフトの外周に超軽量発泡アルミニウムから
ローラが形成されているので、機械装置全体の軽量化に
役立つと同時にシャフトには耐摩耗性のすぐれたスチー
ルまたは同等以上の材料を用いているので、長期間の使
用に十分耐えることができる。``Function'' The rollers are made of ultra-light foamed aluminum around the outer circumference of the steel shaft, which helps reduce the weight of the entire mechanical device.At the same time, the shaft is made of highly wear-resistant steel or a material of the same or higher quality. Therefore, it can withstand long-term use.
また、シャフトとローラが一体成形であるから旋削加工
、孔明は加工は必要とせず、かつシャフトとローラ間に
は半径方向に凹凸またはリブが複数形成されているので
、曲げ応力お工び剪断応力に対しても十分耐えることが
できる。In addition, since the shaft and roller are integrally molded, there is no need for turning or drilling, and since multiple unevenness or ribs are formed in the radial direction between the shaft and roller, bending stress and shear stress It can withstand enough.
また、ローラは発泡アルミニウムであるから、吸音効果
が犬である。Also, since the rollers are made of foamed aluminum, they have excellent sound absorption effects.
「実施列」
本発明シャフト付き超軽量ローラは次の各工程をへて製
作される。"Implementation Row" The ultra-lightweight roller with a shaft of the present invention is manufactured through the following steps.
前記シャフト付き超軽量ローラ１００ノシヤフト１０１
の直径ｄお裏びロール１０２の直径り長さんに一致する
上金型２０１と下金型２０１にはロール側の第１キヤビ
テイ２０１１とシャフト側の第２キヤビテイ２０１２が
それぞれ形成される。Ultra-light roller with shaft 100 shafts 101
A first cavity 2011 on the roll side and a second cavity 2012 on the shaft side are formed in the upper mold 201 and the lower mold 201, which have a diameter d that corresponds to the diameter and length of the roll 102, respectively.
前記上金型２０１所定温度が維持できるＬうに断熱性の
すぐれたものを用い、金型の内面における放熱が徐々に
行われるように構成されてお、す、その上面には湯口２
０１３が形成されている。The upper mold 201 is made of a material with excellent heat insulation properties that can maintain a predetermined temperature, and is configured so that heat is gradually dissipated from the inner surface of the mold.
013 is formed.
予め、上下金型２００に芯金としてスチールシャフト１
０１を所定位置にインサートする第１工程と、次に純ア
ルミインゴットｌを溶解炉２内に入れた後に約７００°
Ｃ前後で溶解する第２工程と、次に該保持炉３の溶湯ア
ルミニウムに増粘剤としてクーラ／グア内の金属カルシ
ウムを前記インゴット１の童に比例して添力口すると共
にモータ８にて駆動される攪拌羽根ば揮９ によｐ所要
時間攪拌せしめて、前記金属カルシウムを分散場せる第
３工程と、さらに次に混合室６内の溶湯アルミを前記イ
ンゴット１の量に比例して第２ケージ７グ７１内水素チ
タンを投入すると共にモータ８１により駆動される攪拌
羽根９１をもってスピーディにして、かつ、均一に攪拌
して発泡効果を高める第４湯する第５工程と、最後に該
金型内の溶湯アルミの冷却固化を１って金型↓、リシャ
フト付き超軽量ローラを取出す第６エ程からなる。In advance, a steel shaft 1 is placed as a core metal in the upper and lower molds 200.
The first step is to insert the aluminum ingot 01 into a predetermined position, and then the pure aluminum ingot 1 is inserted into the melting furnace 2 at a temperature of about 700°.
A second process of melting before and after C, and then adding metallic calcium in the cooler/gua as a thickener to the molten aluminum in the holding furnace 3 in proportion to the weight of the ingot 1, and using a motor 8. A third step in which the metallic calcium is dispersed by stirring for a required period of time using a driven stirring blade 9; A 5th step in which titanium hydrogen is charged into the 2 cages 7g 71, and a 4th hot water is heated using a stirring blade 91 driven by a motor 81 to speedily and uniformly stir it to enhance the foaming effect, and finally, the hydrogen titanium is The 6th step consists of cooling and solidifying the molten aluminum in the mold, removing the mold, and removing the reshafted ultra-light roller.
該金型よ、り取出したシャフト付き超軽量ローラは第３
図に示す如き芯金のスチールシャフト１０１の外周に発
泡アルミのローラ１０２が一体成形てれる。The ultra-light roller with a shaft taken out from the mold is the third
A foamed aluminum roller 102 is integrally molded around the outer periphery of a cored steel shaft 101 as shown in the figure.
「発明の効果」
発泡アルミのローラはアルミニウムの薄い膜により構成
された気泡の集合体にして、その比重はわずか０．２〜
０．３で、原材料のアルミニウム１／ｌＯであり勿論鉄
の１／３０である。``Effects of the invention'' The aluminum foam roller is an aggregate of air bubbles made up of a thin aluminum film, and its specific gravity is only 0.2~
0.3, which is 1/1O of the raw material aluminum and, of course, 1/30 of iron.
しかも、十分の強度を有する剛体であるから、電子複写
機、ファクシミリなどの厭送りローラとしてそのま＼使
用するか、必要に応じてその外周にゴム合成質脂層を形
成することも勿論可能でおる。Moreover, since it is a rigid body with sufficient strength, it can be used as is as a feed roller for electronic copying machines, facsimile machines, etc., or it can be coated with a rubber synthetic resin layer on its outer periphery if necessary. is.
第４図は本発明の他の笑施例で、上記災施列と異なる点
はスチールシャフト１０１の外周半径方向にリブ１０１
１・・・を複数個形成したものである。FIG. 4 shows another embodiment of the present invention, which differs from the above embodiment in that a rib 101 is provided in the radial direction of the outer circumference of a steel shaft 101.
A plurality of 1... are formed.
これを芯金として使用すると、超軽量ローラの中央部あ
るいは左右件どに負荷が作用した場合でも十分耐えられ
る。When this is used as a core metal, it can sufficiently withstand even if a load is applied to the center or left and right sides of an ultra-light roller.
その他の効果は前実施り１」と同一である。Other effects are the same as in the previous implementation 1.
また、真直ローラに代えて金型に所定間隔をおいて７ラ
ンジが一体鋳造できるように凹部が形成嘔れている。Further, in place of the straight roller, recesses are formed in the mold so that seven rungs can be integrally cast at predetermined intervals.
第１図は本発明シャフト付き超軽量ローラを製作するに
使用する金型にシャフトをイノサートした状態を示す斜
視図、第２図（イ）は上金型、第２図（ロ）は下金型の
斜視図、第３図はシャフト付き超軽量ローラの斜視図、
第４図は本発明のシャフトの他の笑施例を示すリプ付き
シャフトの斜視図、第５図は本発明のシャフト付き超軽
量ローラの製造装置の一列を示す概略説明図でおる。
符号の説明
１０１；シャフト
１００ ：ローラ
１０１１ ：リプ
２０１；上、下金型
時計出願人 有限会社大−司
第５図
１、 、、、、、、、、、＋ 。
°イ゛゛°ゾＢ２ＤｔFig. 1 is a perspective view showing the state in which the shaft is inserted into the mold used to manufacture the ultra-lightweight roller with a shaft of the present invention, Fig. 2 (a) is the upper mold, and Fig. 2 (b) is the lower mold. A perspective view of the mold, Figure 3 is a perspective view of an ultra-lightweight roller with a shaft,
FIG. 4 is a perspective view of a shaft with a lip showing another embodiment of the shaft of the present invention, and FIG. 5 is a schematic explanatory diagram showing a line of manufacturing equipment for an ultra-lightweight roller with a shaft of the present invention. Explanation of symbols 101; Shaft 100: Roller 1011: Lip 201; Upper and lower mold watch applicant Dai-ji Co., Ltd. Figure 5 1. °I゛゛°zoB2Dt
Claims (1)
成せしめた発泡アルミニウムからなるローラを一体成形
してなることを特徴とするシャフト付き超軽量ローラ。 ２）、上記シャフトがローラ内に連続あるいは非連続で
あることを特徴とする特許請求の範囲第１項記載のシャ
フト付き超軽量ローラ。 ３）、上記ローラ内のシャフトはスチールまたは該スチ
ールと同等の耐摩耗性を有する材料からなり、そしてこ
れらシャフトには滑り止めの凹凸または半径方向に複数
のリブが形成されていることを特徴とする特許請求の範
囲第１項または第２項記載のシャフト付き超軽量ローラ
。 ４）、上記ローラはその外周に所要間隔をおいて複数の
フランジが形成されていることを特徴とする特許請求の
範囲第１項または第２項または第３項記載のシャフト付
き超軽量ローラ。[Claims] 1) An ultra-lightweight roller with a shaft, characterized in that the shaft and a roller made of foamed aluminum with a large number of bubbles formed around the outer periphery of the shaft are integrally molded. 2) The ultra-lightweight roller with a shaft according to claim 1, wherein the shaft is continuous or discontinuous within the roller. 3) The shafts in the rollers are made of steel or a material with wear resistance equivalent to steel, and these shafts are provided with anti-slip irregularities or a plurality of ribs in the radial direction. An ultra-lightweight roller with a shaft according to claim 1 or 2. 4) The ultra-lightweight roller with a shaft according to claim 1, 2, or 3, wherein a plurality of flanges are formed on the outer periphery of the roller at required intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16389286A JPS6322460A (en) | 1986-07-14 | 1986-07-14 | Extremely light roller with shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16389286A JPS6322460A (en) | 1986-07-14 | 1986-07-14 | Extremely light roller with shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6322460A true JPS6322460A (en) | 1988-01-29 |
| JPH025654B2 JPH025654B2 (en) | 1990-02-05 |
Family
ID=15782785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16389286A Granted JPS6322460A (en) | 1986-07-14 | 1986-07-14 | Extremely light roller with shaft |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6322460A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6428907B1 (en) * | 1998-03-17 | 2002-08-06 | Siemens Aktiengesellschaft | Positioning arm for positioning and assembling systems and method for producing positioning arms |
| JP2011064327A (en) * | 2003-06-25 | 2011-03-31 | Nsk Ltd | Worm reduction gear and electric power steering device |
| CN107215038A (en) * | 2017-06-22 | 2017-09-29 | 合肥汇之新机械科技有限公司 | A kind of high metallic article of wearability |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0499461U (en) * | 1991-01-22 | 1992-08-27 |
-
1986
- 1986-07-14 JP JP16389286A patent/JPS6322460A/en active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6428907B1 (en) * | 1998-03-17 | 2002-08-06 | Siemens Aktiengesellschaft | Positioning arm for positioning and assembling systems and method for producing positioning arms |
| JP2011064327A (en) * | 2003-06-25 | 2011-03-31 | Nsk Ltd | Worm reduction gear and electric power steering device |
| CN107215038A (en) * | 2017-06-22 | 2017-09-29 | 合肥汇之新机械科技有限公司 | A kind of high metallic article of wearability |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH025654B2 (en) | 1990-02-05 |
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