JP2911543B2 - Roller manufacturing method - Google Patents

Roller manufacturing method

Info

Publication number
JP2911543B2
JP2911543B2 JP12240990A JP12240990A JP2911543B2 JP 2911543 B2 JP2911543 B2 JP 2911543B2 JP 12240990 A JP12240990 A JP 12240990A JP 12240990 A JP12240990 A JP 12240990A JP 2911543 B2 JP2911543 B2 JP 2911543B2
Authority
JP
Japan
Prior art keywords
flange
steel pipe
roller
manufacturing
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.)
Expired - Lifetime
Application number
JP12240990A
Other languages
Japanese (ja)
Other versions
JPH0417928A (en
Inventor
達人 田中
繁 池田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP12240990A priority Critical patent/JP2911543B2/en
Publication of JPH0417928A publication Critical patent/JPH0417928A/en
Application granted granted Critical
Publication of JP2911543B2 publication Critical patent/JP2911543B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【発明の詳細な説明】 −産業上の利用分野− 本発明はオフィスオートメイション機器などにおける
記録紙の駆動や案内などに用いられるローラの製作方法
に関し、さらに詳しくは、少なくとも端部にシャフトを
もったローラの製作方法に関する。
The present invention relates to a method of manufacturing a roller used for driving and guiding recording paper in office automation equipment and the like, and more particularly, to a method of manufacturing a roller having at least an end portion with a shaft. And a method of manufacturing the roller.

−従来の技術− よく知られているように、複写機やその他のオートメ
イション機器には記録紙などの用紙に送りを与えるため
に多くのローラが使用されており、これらのローラは通
常鋼パイプの両端にシャフトをもつフランジを嵌込んで
構成したもので、そのシャフト部分がベアリングなどで
保持される。従来知られているローラは第4図に概略横
断面に示されている。所要寸法の鋼パイプに嵌合される
フランジ2′は鋼パイプの外径に等しいその大径部分の
外径よりも大きいステンレス鋼棒素材からフランジ2′
とシャフト3′を一体として削り出される。フランジ
2′の小径部分の外径は鋼パイプ1の内径に合わせられ
ており、フランジ2′は鋼パイプ1の両端に軽く圧入さ
れる。しかる後その嵌合部分貫通孔が穿れた、鋼パイプ
1とフランジ2′とがノックピン4で結合される。
-Prior Art-As is well known, copiers and other automation equipment use many rollers to feed paper, such as recording paper, and these rollers are usually steel pipes. Are fitted with flanges having shafts at both ends thereof, and the shaft portions are held by bearings or the like. A known roller is shown schematically in cross section in FIG. The flange 2 'fitted to the steel pipe of the required size is made of a stainless steel rod material larger than the outer diameter of its large diameter portion equal to the outer diameter of the steel pipe.
And the shaft 3 'are integrally cut out. The outer diameter of the small diameter portion of the flange 2 ′ is adjusted to the inner diameter of the steel pipe 1, and the flange 2 ′ is lightly pressed into both ends of the steel pipe 1. After that, the steel pipe 1 and the flange 2 ′ whose fitting portion through-hole has been drilled are connected by the knock pin 4.

この方法ではフランジの素材として比較的高価なステ
ンレス鋼が用いられ、その削り出しにおける材料の無駄
が多い。またその切削加工およびそのあとのノックピン
固定のための加工に要する工数を考慮すると、その製作
方法は経済的な方法とは言えず、多量の需要のあるロー
ラの製作手段としてはなお改善が期待されるものであ
る。
In this method, relatively expensive stainless steel is used as the material of the flange, and there is much waste of material in the shaving. Also, considering the man-hours required for the cutting process and the subsequent process for fixing the dowel pins, the manufacturing method cannot be said to be an economical method, and improvement is still expected as a method of manufacturing a roller with a large demand. Things.

また、上述のようなフランジつきローラの製作方法を
改善する方法として、本特許出願人が先に特願昭61-227
468として提案したが、材料費を安くすることに成功は
しているが、作業工程に熱加工工程が必要である。
Further, as a method of improving the method of manufacturing a roller with a flange as described above, the present applicant has previously filed Japanese Patent Application No. 61-227.
Although proposed as 468, it has succeeded in reducing material costs, but requires a thermal processing step in the work process.

−発明が解決しようとする課題− 上述のような製作方法は作業工程に切削工程あるい
は、加熱工程などが必要であって、単純な作業工程だけ
では完了しない問題があった。
-Problems to be Solved by the Invention-The above-described manufacturing method requires a cutting step or a heating step in the working process, and has a problem that it cannot be completed only by a simple working process.

そこで、本発明の目的は、従って材料費の節減および
加工工程の簡略化を図る新規なローラ製作方法を提供す
ることにある。
SUMMARY OF THE INVENTION It is an object of the present invention to provide a novel roller manufacturing method which saves material costs and simplifies the processing steps.

−課題を解決するための手段− 上述のような目的を達成するための本発明は、ローラ
となる鋼パイプの少なくとも一端部内周にめねじ状の
溝、あるいは独立した数条の凹凸条溝などの旋条溝を形
成し、この旋条溝に対して、シャフトを一体的に突設形
成したフランジを挿入し、そのフランジの内径から拡径
作業を施すことで、予めフランジの外周面に形成してお
いたローレット部を旋条溝中に圧嵌入して両者を一体化
することを提供するものである。
-Means for solving the problem- The present invention for achieving the above-mentioned object is to provide a female pipe-shaped groove at least at one end inside a steel pipe serving as a roller, or a plurality of independent uneven grooves. By inserting a flange into which a shaft is integrally formed and projecting from the inner diameter of the flange, a groove is formed on the outer peripheral surface of the flange in advance. The present invention provides that the knurled portion is press-fitted into the spiral groove to integrate the two.

−実施例− 以下、本発明の実施例を添付した第1図ないし、第3
図に沿って説明する。本発明の方法により製作されるロ
ーラの端部拡大断面図が第1図に示されるところであ
る。先ず、ローラの本体となる所要形状寸法を有する金
属製パイプ、即ち、アルミニュウムや、鋼パイプ(1)
が用意されると共に、ローラの端部を補強し、シャフト
をもつフランジ(2)はアルミニウムまたはアルミニウ
ム合金ダイカストにより予め製作される。この鋼パイプ
(1)の一端部内周面言換えると、圧入部には、ねじ条
あるいは凹凸条溝など複数の旋条溝(1A)を形成してお
き、これら旋条溝(1A)のうち鋼パイプ(1)の中央部
寄りの旋条溝は他のものより溝幅、溝深さが共に大きい
抜け止め溝(1B)になっている。また、フランジ(2)
は鋼パイプ(1)の圧入部に圧入されるフランジ部(2
A)と、このフランジ部(2A)より小径でベアリングな
どで支承されて回転自在とするシャフト部(2B)とが一
体的に形成されたものでフランジ部(2A)、シャフト部
(2B)ともに軸心部が中空であり、フランジ部(2A)の
中空部(2X)の内径はシャフト部(2B)の中空部(2Y)
の内径より大きくなっている。前記フランジ部(2A)の
外周面には前記旋条溝(1A)と交差する平目や、綾目型
のローレット(2C)が形成される。
-Embodiment- FIGS. 1 to 3 to which an embodiment of the present invention is attached.
Description will be made with reference to the drawings. An enlarged cross-sectional end view of a roller manufactured by the method of the present invention is shown in FIG. First, a metal pipe having the required shape and dimensions to be the main body of the roller, that is, aluminum or steel pipe (1)
Is provided and the end of the roller is reinforced and the flange (2) with the shaft is prefabricated by aluminum or aluminum alloy die casting. In other words, a plurality of helical grooves (1A) such as a screw thread or an uneven groove are formed in the press-fit portion, and among the helical grooves (1A), The spiral groove near the center of the steel pipe (1) is a retaining groove (1B) having a larger groove width and groove depth than the others. Also, flange (2)
Is a flange (2) press-fit into the press-fit portion of the steel pipe (1).
A) and the shaft (2B), which is smaller in diameter than the flange (2A) and is rotatably supported by bearings etc., are integrally formed. Both the flange (2A) and the shaft (2B) The shaft center is hollow, and the inside diameter of the hollow part (2X) of the flange part (2A) is the hollow part (2Y) of the shaft part (2B).
Is larger than the inner diameter of On the outer peripheral surface of the flange portion (2A), a flat or cross-shaped knurl (2C) intersecting with the spiral groove (1A) is formed.

そして、鋼パイプ(1)と、フランジ(2)を一体化
する場合には鋼パイプ(1)の圧入部にフランジ(2)
のフランジ部(2A)を軽く圧入し、旋条溝(1A)とロー
レット(2C)とで両者を互に摩擦力で結合させる。
When the steel pipe (1) is integrated with the flange (2), the flange (2) is inserted into the press-fit portion of the steel pipe (1).
Lightly press the flange part (2A), and connect the two with the rifling groove (1A) and knurl (2C) by frictional force.

次に、鋼パイプ(1)の圧入部外周を拘束した後に、
鋼パイプ(1)の端部からエキスパンダを差し入れてフ
ランジ部(2A)の中空部(2X)をテーパ型に拡径し、
(第1図矢印方向)フランジ部(2A)の外周面に設けた
ローレット(2C)を鋼パイプ(1)の旋条溝(1A)に対
して噛み合せて互いの凹凸を埋め合わせて軸方向径方向
の何れにも密着固定する。このとき、フランジ部(2A)
の反シャフト側の端部は抜け止め溝(1B)中に噛み合わ
されることで抜け方向に対してとくに、確実に結合さ
れ、フランジつきのローラが得られる。なお鋼パイプ
(1)の表面は機器における用途に応じて適宜ゴム等で
被覆されて使用に供される。
Next, after restraining the outer periphery of the press-fit portion of the steel pipe (1),
Insert the expander from the end of the steel pipe (1) and expand the hollow part (2X) of the flange part (2A) into a tapered shape.
(In the direction of the arrow in Fig. 1) The knurl (2C) provided on the outer peripheral surface of the flange portion (2A) is engaged with the spiral groove (1A) of the steel pipe (1) to make up for the unevenness of each other and to extend in the axial radial direction. Closely fix to any of the above. At this time, flange (2A)
The end on the side opposite to the shaft is engaged with the retaining groove (1B) so that it is particularly securely connected in the removal direction, and a roller with a flange can be obtained. The surface of the steel pipe (1) is covered with rubber or the like as appropriate according to the use of the device, and then used.

−発明の効果− 以上の説明から明らかなように、本発明のローラ製作
方法によれば、安価なアルミニウムまたは、アルミニウ
ム合金ダイカストでフランジを製作することで材料費の
節減を可能とし、アルミニュウムや鋼などの金属パイプ
ならびに、フランジに対する加工は旋条溝あるいは、ロ
ーレットなどの機械的加工許りであり、その上両者を一
体化する加工も拡径作業だけでよく、加熱工程や、キー
の打込み作業などが不要であって、従来提案された方法
に比較しても著しく能率的であり、かつ経済的である。
-Effects of the Invention- As is clear from the above description, according to the roller manufacturing method of the present invention, it is possible to reduce material costs by manufacturing a flange using inexpensive aluminum or an aluminum alloy die-cast, and to reduce the cost of aluminum or steel. For metal pipes and flanges, mechanical processing such as fluted grooves or knurls is permitted, and furthermore, processing to integrate them is only expanding work, heating process and key driving work Are not required, and are significantly more efficient and economical as compared with the conventionally proposed methods.

【図面の簡単な説明】[Brief description of the drawings]

第1図は本発明の方法により得たローラの部分拡大断面
図、第2図(A)、(B)はフランジの一部破断側面
図、端面図、第3図(A)、(B)は鋼パイプの端部の
断面図、端面図、第4図は従来知られているローラの断
面図である。 1……鋼パイプ、1A……旋条溝、1B……抜け止め溝、2
……フランジ、2A……フランジ部、2B……シャフト部、
2X……フランジ部の中空部、2Y……シャフト部の中空
部、2C……ローレット。
FIG. 1 is a partially enlarged cross-sectional view of a roller obtained by the method of the present invention, and FIGS. 2 (A) and (B) are partially cutaway side views, end views, and FIGS. Is a sectional view and an end view of an end of a steel pipe, and FIG. 4 is a sectional view of a conventionally known roller. 1 ... steel pipe, 1A ... rifling groove, 1B ... ... retaining groove, 2
…… Flange, 2A …… Flange, 2B …… Shaft,
2X: hollow portion of flange, 2Y: hollow portion of shaft, 2C: knurl.

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】端部内周面に旋条溝が形成されている鋼パ
イプと、周面にローレットが形成されているフランジ部
と、これと一体のシャフト部とで形成され、内部に中空
部をもっているフランジとをフランジ部を金属パイプの
旋条溝で囲まれる空間に軽圧入し、両者を拘束した状態
でフランジのフランジ部を内側から拡径することにより
フランジ部のローレットと鋼パイプの旋条溝とが互に凹
凸を埋め合って両者が固定させること特徴とするローラ
の製作方法。
1. A steel pipe having a spiral groove formed on an inner peripheral surface of an end portion, a flange portion having a knurl formed on a peripheral surface thereof, and a shaft portion integrated with the steel pipe. The flange part is lightly press-fitted into the space surrounded by the spiral groove of the metal pipe, and the flange part of the flange is expanded from the inside with the two parts constrained. A method for manufacturing a roller, characterized in that the grooves and the grooves fill each other to fix the two.
JP12240990A 1990-05-11 1990-05-11 Roller manufacturing method Expired - Lifetime JP2911543B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12240990A JP2911543B2 (en) 1990-05-11 1990-05-11 Roller manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12240990A JP2911543B2 (en) 1990-05-11 1990-05-11 Roller manufacturing method

Publications (2)

Publication Number Publication Date
JPH0417928A JPH0417928A (en) 1992-01-22
JP2911543B2 true JP2911543B2 (en) 1999-06-23

Family

ID=14835092

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12240990A Expired - Lifetime JP2911543B2 (en) 1990-05-11 1990-05-11 Roller manufacturing method

Country Status (1)

Country Link
JP (1) JP2911543B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007122022A (en) * 2005-09-30 2007-05-17 Canon Inc Roller used for image forming apparatus

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100494466C (en) * 2003-12-11 2009-06-03 日立金属株式会社 Roll for molten metal plating bath
JP2008232395A (en) * 2007-03-23 2008-10-02 Inoac Corp Roller shaft
JP6711668B2 (en) 2016-03-31 2020-06-17 株式会社神戸製鋼所 Method of joining members

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007122022A (en) * 2005-09-30 2007-05-17 Canon Inc Roller used for image forming apparatus

Also Published As

Publication number Publication date
JPH0417928A (en) 1992-01-22

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