JP2003172829A - Machining device for end face of multiple plastic optical fiber - Google Patents
Machining device for end face of multiple plastic optical fiberInfo
- Publication number
- JP2003172829A JP2003172829A JP2001371465A JP2001371465A JP2003172829A JP 2003172829 A JP2003172829 A JP 2003172829A JP 2001371465 A JP2001371465 A JP 2001371465A JP 2001371465 A JP2001371465 A JP 2001371465A JP 2003172829 A JP2003172829 A JP 2003172829A
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- plastic optical
- face
- cutting blade
- cutting
- 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
Landscapes
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Turning (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、多連式プラスチ
ック光ファイバ端面を、例えば凸型または凹型の半球面
に各プラスチック光ファイバ同時に加工する多連式プラ
スチック光ファイバ端面の加工装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for processing an end face of multiple plastic optical fibers, which simultaneously processes the end faces of multiple plastic optical fibers into, for example, convex or concave hemispherical plastic optical fibers.
【０００２】[0002]
【従来の技術】従来、プラスチック光ファイバ（以下、
単に光ファイバと称す）の端面を、半球面に加工する方
法は、熱を加えて端面加工する方法が通常である。この
ように熱を加えて端面加工する装置として、特開平８−
７５９３５号公報に示されている。2. Description of the Related Art Conventionally, a plastic optical fiber (hereinafter,
A method of processing the end surface of the optical fiber) into a hemispherical surface is usually a method of processing the end surface by applying heat. As an apparatus for processing end faces by applying heat as described above, Japanese Patent Application Laid-Open No. 8-
No. 75935.
【０００３】この光ファイバ端面の加工装置は、図１０
（ａ）（ｂ）（ｃ）（ｄ）に示すように所定長さの端部
が露出した光ファイバ２１を固定する固定具（図示せ
ず）と、少なくとも、光ファイバ２１端部の先端に押し
付けられたとき、加熱されるレンズ形成用型３３と、レ
ンズ形成用型３３と一体化され該型と共に移動し、光フ
ァイバ端部の先端にレンズ形成用型３３が押し付けられ
た状態で、若しくは光ファイバの端部からレンズ形成用
型３３を引き離した後で、光ファイバ２１の端部を強制
冷却する急冷却手段３４と、レンズ形成用型３３と急冷
却手段３４とを、相対的に光ファイバ端部の先端に押し
付け、引き離す搬送手段（図示せず）と、から成るもの
である。This optical fiber end face processing apparatus is shown in FIG.
As shown in (a), (b), (c), and (d), a fixture (not shown) for fixing the optical fiber 21 having an exposed end of a predetermined length, and at least the tip of the end of the optical fiber 21. When the lens forming die 33 is heated when pressed, the lens forming die 33 is integrated with the lens forming die 33 and moves together with the lens forming die 33, and the lens forming die 33 is pressed against the tip of the optical fiber end, or After the lens forming die 33 is separated from the end portion of the optical fiber, the rapid cooling means 34 for forcibly cooling the end portion of the optical fiber 21 and the lens forming die 33 and the rapid cooling means 34 are relatively lighted. And a conveying means (not shown) which presses the tip of the fiber end and separates it.
【０００４】そして、端部が露出したジャケット２４付
き光ファイバ２１を固定具（図示せず）で固定し（図１
０（ａ））、レンズ形成用型３３と、急冷却手段３４と
を搬送手段（図示せず）によって光ファイバ２１の先端
に押し付け・加熱し、端部の一部を軟化・溶融させてレ
ンズ形状に形成し（図１０（ｂ））、光ファイバ２１端
部を急冷却手段３４で強制冷却し（図１０（ｃ））、型
３３と急冷却手段３４とを光ファイバ２１先端から引き
離して（図１０（ｄ））、レンズ２５付き光ファイバを
得るものである。Then, the optical fiber 21 with the jacket 24 whose end is exposed is fixed by a fixture (not shown) (see FIG. 1).
0 (a)), the lens forming die 33 and the rapid cooling means 34 are pressed against the tip of the optical fiber 21 by a conveying means (not shown) and heated to partially soften and melt the end portion of the lens. The optical fiber 21 is formed into a shape (FIG. 10B), the end of the optical fiber 21 is forcibly cooled by the rapid cooling means 34 (FIG. 10C), and the mold 33 and the rapid cooling means 34 are separated from the tip of the optical fiber 21. (FIG. 10D), an optical fiber with a lens 25 is obtained.
【０００５】この装置によれば、簡易に、効率的にかつ
低コストで光ファイバ端部の先端にレンズ（半球面）を
形成することができ、再現性よく凸型を形成でき、キズ
の発生、汚れの付着などが少なく好ましいものである。According to this apparatus, a lens (hemispherical surface) can be formed easily, efficiently and at low cost at the tip of the end of the optical fiber, a convex mold can be formed with good reproducibility, and a flaw is generated. In addition, it is preferable because there is little adhesion of dirt.
【０００６】[0006]
【発明が解決しようとする課題】しかしながら、前記従
来のような光ファイバ端面の加工装置は、単芯用のもの
であって多連式プラスチック光ファイバの各プラスチッ
ク光ファイバを同時に加工処理するものではない。この
発明は、このような点に鑑み多連式プラスチック光ファ
イバの各プラスチック光ファイバ端面を同時に切削加工
できる多連式プラスチック光ファイバ端面の加工装置の
提供を第１の目的とする。However, the above-mentioned conventional optical fiber end face processing apparatus is for a single core, and is not one for simultaneously processing the plastic optical fibers of the multiple plastic optical fiber. Absent. In view of such a point, the first object of the present invention is to provide a processing device for the end face of multiple plastic optical fibers capable of simultaneously cutting the end faces of each plastic optical fiber of the multiple plastic optical fiber.
【０００７】また、前記従来のような加熱しての光ファ
イバ端面の加工装置においては、凸型の半球面の形成に
は適しているが、凹型の半球面を含む他の形状の形成に
は対応できない課題を有する。この発明は、このような
点に鑑み凸型の半球面ばかりでなく、凹型の半球面をは
じめ任意の形状に形成できる光ファイバ端面の加工装置
の提供を第２の目的とする。Further, in the above-described conventional apparatus for processing an end face of an optical fiber by heating, it is suitable for forming a convex hemispherical surface, but for forming other shapes including a concave hemispherical surface. Have issues that cannot be addressed. In view of such a point, a second object of the present invention is to provide an optical fiber end face processing apparatus capable of forming not only a convex hemispherical surface but also a concave hemispherical surface into an arbitrary shape.
【０００８】また、光ファイバは、中心のコア部とその
外周のクラッド部とからなり、それにジャケットが被覆
されて構成されており、コア部が光学繊維としてプラス
チックで形成されている。従って、前記従来の熱による
光ファイバ端面の加工装置においては、コア部の端面を
半球面（レンズ）形状に形成することは可能であるが、
クラッド部やジャケットの端面までも加工することはで
きない。しかし、光ファイバの使用態様によっては、ク
ラッド部やジャケットの端面までも加工したい場合も生
ずる。この発明は、このような点に鑑み光ファイバのコ
ア部だけでなく、クラッド部やジャケットも含め選択的
に端面加工できる光ファイバ端面の加工装置を提供する
ことを第３の目的とする。The optical fiber is composed of a central core portion and a clad portion on the outer periphery thereof, and a jacket covering the core portion, and the core portion is formed of plastic as an optical fiber. Therefore, although it is possible to form the end surface of the core portion into a hemispherical (lens) shape in the conventional apparatus for processing the end surface of the optical fiber by heat,
Neither the clad nor the end face of the jacket can be processed. However, depending on how the optical fiber is used, there may be a case where it is desired to process even the end surface of the clad portion or the jacket. In view of the above points, a third object of the present invention is to provide an optical fiber end face processing apparatus capable of selectively processing end faces of not only the core portion of an optical fiber but also the cladding portion and the jacket.
【０００９】また、従来の光ファイバ端面の加工装置
は、加熱によるものであるが、この発明は、このような
加熱による装置ではなく、光ファイバ端面の加工に切削
刃（刃物）を使用し切削加工する従来にない斬新な光フ
ァイバ端面の加工装置の提供を第４の目的とする。Further, the conventional optical fiber end face processing apparatus is based on heating, but the present invention does not use such a heating device, but a cutting blade (cutting tool) is used for processing the optical fiber end face. A fourth object of the present invention is to provide a novel apparatus for processing an optical fiber end face which is not available in the past.
【００１０】さらに、光ファイバ端面の形状を任意の形
状とすることができることに鑑み、使用態様に応じて最
適の光ファイバ端面の形状を選択できるようにすること
を第５の目的とする。Further, in view of the fact that the shape of the end face of the optical fiber can be any shape, it is a fifth object to make it possible to select the optimum shape of the end face of the optical fiber according to the usage mode.
【００１１】[0011]
【課題を解決するための手段】前記目的を達成するた
め、この発明の多連式プラスチック光ファイバ端面の加
工装置は、モータの駆動軸に連結された被連結部材に連
結されて回転する第１回転軸と、前記モータ又は第１回
転軸と伝動機構を介して連結されて回転する１又は複数
の第２回転軸とが並列して設けられ、この各第１及び第
２回転軸には、貫通孔を有し、この貫通孔に切削刃が着
脱自在に装着され、この貫通孔にプラスチック光ファイ
バを挿入して切削刃で端面を切削加工するホルダーが並
列して着脱自在に取付けられ、多連式プラスチック光フ
ァイバの各々の光ファイバを並列する各ホルダーの貫通
孔に一端側より挿入し、回転する切削刃において各々の
プラスチック光ファイバ端面の少なくともコア部を同時
に切削加工することを特徴とする。In order to achieve the above object, the apparatus for processing an end face of a multiple plastic optical fiber according to the present invention rotates by being connected to a connected member connected to a drive shaft of a motor. A rotary shaft and one or a plurality of second rotary shafts that are connected to the motor or the first rotary shaft via a transmission mechanism to rotate and are provided in parallel, and each of the first and second rotary shafts includes: A through-hole is provided, and a cutting blade is detachably attached to this through-hole. A holder for inserting a plastic optical fiber into this through-hole and cutting the end face with the cutting blade is detachably attached in parallel. Inserting each optical fiber of a continuous plastic optical fiber into one of the through holes of each holder in parallel, and cutting at least the core part of each plastic optical fiber end face at the same time with a rotating cutting blade. And it features.
【００１２】また、この発明の多連式プラスチック光フ
ァイバ端面の加工装置は、モータの駆動軸に連結された
被連結部材に連結されて回転する第１回転軸と、前記モ
ータ又は第１回転軸と伝動機構を介して連結されて回転
する１又は複数の第２回転軸とが並列して設けられ、こ
の各第１及び第２回転軸の先端部に貫通孔を有するホル
ダーが並列して着脱自在に固着され、このホルダーの貫
通孔内に位置して、切削刃が前記第１及び第２回転軸の
先端に着脱自在に固設されており、多連式プラスチック
光ファイバの各々の光ファイバを並列する各ホルダーの
貫通孔に一端側より挿入し、回転する切削刃において各
々のプラスチック光ファイバ端面の少なくともコア部を
同時に切削加工することを特徴とする。Further, according to the present invention, there is provided a device for processing an end face of multiple plastic optical fibers, wherein a first rotating shaft which is connected to a connected member connected to a drive shaft of a motor and rotates, and the motor or the first rotating shaft. And one or a plurality of second rotating shafts that are connected to each other via a transmission mechanism and rotate, are provided in parallel, and holders having through holes at the tip ends of the first and second rotating shafts are installed and removed in parallel. The cutting blades are freely fixed and located in the through holes of the holder, and the cutting blades are detachably fixed to the tips of the first and second rotating shafts. Is inserted into the through holes of the holders arranged in parallel from one end side, and at least the core portion of each end face of each plastic optical fiber is simultaneously cut by a rotating cutting blade.
【００１３】この発明によれば、切削刃を収納したホル
ダーが、並列して回転軸に取付けられているので、各々
の光ファイバをこの並列する各ホルダーの貫通孔に一端
側より挿入し、回転する切削刃において全てのプラスチ
ック光ファイバ端面を同時に切削加工することができ
る。従って、並列するホルダーは、左右であっても上下
であってもよいが、その間隔は、多連式プラスチック光
ファイバの各々の光ファイバ間隔を考慮すると、なるべ
くこの間隔に近いことが望ましい。According to the present invention, since the holders containing the cutting blades are mounted in parallel on the rotary shaft, the respective optical fibers are inserted into the through holes of the respective holders arranged in parallel from one end side to rotate. All the plastic optical fiber end faces can be cut at the same time with the cutting blade. Therefore, the holders arranged in parallel may be arranged on the left and right sides or on the upper and lower sides, but it is desirable that the distance between them is as close as possible in consideration of the distance between the optical fibers of the multiple plastic optical fiber.
【００１４】また、この発明の多連式プラスチック光フ
ァイバ端面の加工装置は、前記ホルダーには、切削刃で
プラスチック光ファイバ端面を切削加工する部分に位置
して窓が開口されていることを特徴とする。Further, in the apparatus for processing the end face of the multiple plastic optical fiber according to the present invention, the holder has a window opened at a portion where the end face of the plastic optical fiber is cut by a cutting blade. And
【００１５】また、この発明の多連式プラスチック光フ
ァイバ端面の加工装置は、前記被連結部材が、モータの
駆動軸に連結されるカップリングであることを特徴とす
る。Further, the apparatus for processing an end face of a multiple plastic optical fiber according to the present invention is characterized in that the connected member is a coupling connected to a drive shaft of a motor.
【００１６】また、この発明の多連式プラスチック光フ
ァイバ端面の加工装置は、前記切削刃は、少なくともコ
ア部に対応する部分が凹型または凸型の半円状であり、
プラスチック光ファイバ端面の少なくともコア部を、凸
型または凹型の半球面に切削加工することを特徴とす
る。Further, in the apparatus for processing an end face of a multiple plastic optical fiber according to the present invention, the cutting blade has a concave or convex semicircular shape at least at a portion corresponding to the core portion,
At least the core portion of the end surface of the plastic optical fiber is cut into a convex or concave hemispherical surface.
【００１７】さらに、この発明の多連式プラスチック光
ファイバ端面の加工装置は、前記半円状の切削刃が、１
または複数の切削刃において半円状に形成されているこ
とを特徴とする。Further, in the apparatus for processing the end face of the multiple plastic optical fiber according to the present invention, the semicircular cutting blade is 1
Alternatively, the plurality of cutting blades are formed in a semicircular shape.
【００１８】[0018]
【発明の実施の形態】以下、この発明の実施の形態につ
いて図面と共に詳細に説明する。図１はこの発明の実施
の形態を示す平面説明図、図２はこの発明の実施の形態
を示す正面説明図、図３はこの発明の実施の形態を示す
要部拡大断面部分説明図、図４はホルダーを取外した状
態の要部拡大断面部分説明図、図５はホルダーの分解断
面説明図である。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below with reference to the drawings. 1 is an explanatory plan view showing an embodiment of the present invention, FIG. 2 is an explanatory front view showing an embodiment of the present invention, and FIG. 3 is an enlarged sectional partial explanatory view of an essential part showing the embodiment of the present invention. 4 is an enlarged cross-sectional partial explanatory view of an essential part with the holder removed, and FIG. 5 is an exploded cross-sectional explanatory view of the holder.
【００１９】同図において、多連式プラスチック光ファ
イバ端面の加工装置は、モータ１０の駆動軸１１に連結
された被連結部材は、例えばカップリング１２に連結さ
れて回転する第１回転軸１３と、前記モータ１０又は第
１回転軸１３と伝動機構１４を介して連結されて回転す
る第２回転軸１５とが並列して設けられ、この第１及び
第２回転軸１３、１５には、貫通孔５を有し、この貫通
孔５に切削刃１が着脱自在に装着され、この貫通孔５に
プラスチック光ファイバを挿入して切削刃１で端面を切
削加工するホルダー４が並列して着脱自在に取付けられ
ている。In the drawing, in the apparatus for processing end faces of multiple plastic optical fibers, a connected member connected to a drive shaft 11 of a motor 10 is connected to a coupling 12, for example, and a first rotating shaft 13 for rotating. , A second rotating shaft 15 that is connected to the motor 10 or the first rotating shaft 13 via a transmission mechanism 14 and rotates, is provided in parallel, and the first and second rotating shafts 13 and 15 penetrate A cutting blade 1 having a hole 5 is detachably attached to the through hole 5, and a holder 4 for inserting a plastic optical fiber into the through hole 5 and cutting the end face with the cutting blade 1 is detachable in parallel. Installed on.
【００２０】基板７には、取付板８と軸受板９が所定の
間隔をおいて平行に立設されており、前記モータ１０
は、取付板８に固定されて取付けられている。このモー
タ１０の駆動軸１１は、取付板８を貫通して軸受板９側
に突出しており、この駆動軸１１の突出部に被連結部材
としてのカップリング１２が設けられている。A mounting plate 8 and a bearing plate 9 are erected on the substrate 7 in parallel at a predetermined interval, and the motor 10
Are fixedly attached to the mounting plate 8. The drive shaft 11 of the motor 10 penetrates through the mounting plate 8 and projects toward the bearing plate 9, and the projection of the drive shaft 11 is provided with a coupling 12 as a connected member.
【００２１】前記第１回転軸１３は、軸受板９の軸受１
８に回転自在に支承され、軸受板９を貫通して設けられ
ており、一端側は前記カップリング１２に連結され、他
端側には前記ホルダー４が連結される。前記第２回転軸
１５は、軸受板９の軸受１９に回転自在に支承され、軸
受板９を貫通して設けられており、一端側には歯車１７
が固設され、他端側にはホルダー４が取り付けられる。
この第２回転軸１５と前記第１回転軸１３とは、並行し
て並列されて設けられる。この第２回転軸１５の歯車１
７は、第１回転軸１３に固設した歯車１６と噛合してい
る。これによりモータ１０を駆動すると第１回転軸１３
が回転し、また、歯車１６、１７の伝動機構１４を介し
て第２回転軸１５も回転する。なお、伝動機構１４は、
ベルト等の他の手段であってもよいことはもちろんであ
る。The first rotary shaft 13 is the bearing 1 of the bearing plate 9.
8 is rotatably supported and is provided so as to penetrate the bearing plate 9. One end side is connected to the coupling 12, and the other end side is connected to the holder 4. The second rotary shaft 15 is rotatably supported by the bearing 19 of the bearing plate 9, is provided so as to penetrate the bearing plate 9, and has a gear 17 on one end side.
Is fixed, and the holder 4 is attached to the other end side.
The second rotary shaft 15 and the first rotary shaft 13 are provided in parallel and in parallel. This gear 1 of the second rotating shaft 15
The gear 7 is meshed with a gear 16 fixedly mounted on the first rotary shaft 13. As a result, when the motor 10 is driven, the first rotary shaft 13
Rotates, and the second rotating shaft 15 also rotates via the transmission mechanism 14 of the gears 16 and 17. The transmission mechanism 14 is
Of course, other means such as a belt may be used.
【００２２】前記ホルダー４は、図３乃至図５に示すよ
うに貫通孔５を有する短筒状であって、一端側の貫通孔
５内面は、径大の螺孔６となっている。The holder 4 is a short cylinder having a through hole 5 as shown in FIGS. 3 to 5, and the inner surface of the through hole 5 on one end side is a large diameter screw hole 6.
【００２３】切削刃１は、光ファイバ２１の端面を切削
して所定形状に形成するものであり、その刃先２の形状
は、形成する光ファイバ２１端面の形状に応じて決定さ
れる。例えば、光ファイバ端面を凸型の半球面（レン
ズ）に形成する場合には、切削刃１の刃先２の形状は凹
型の半円状であり、光ファイバ端面を凹型の半球面に形
成する場合には、切削刃１の刃先２の形状は凸型の半円
状となる。この切削刃１の刃先２とは他端側の基端は、
径大のねじ部３となっている。この切削刃１は、図４に
示すようにホルダー４の貫通孔５に同心的に挿入され、
図３に示すようにねじ部３をホルダー４の螺孔６に螺入
することによって取付けられる。この時、径大のねじ部
３が、ホルダー４の貫通孔５の段部５ａに係止されるま
で締め付ける。The cutting blade 1 cuts the end face of the optical fiber 21 to form a predetermined shape, and the shape of the cutting edge 2 thereof is determined according to the shape of the end face of the optical fiber 21 to be formed. For example, when the end face of the optical fiber is formed into a convex hemisphere (lens), the shape of the cutting edge 1 of the cutting blade 1 is a concave semicircle, and the end face of the optical fiber is formed into a concave hemisphere. In addition, the shape of the cutting edge 2 of the cutting blade 1 is a convex semicircular shape. The base end on the other end side of the cutting edge 2 of the cutting blade 1 is
The threaded portion 3 has a large diameter. The cutting blade 1 is concentrically inserted into the through hole 5 of the holder 4 as shown in FIG.
As shown in FIG. 3, the screw portion 3 is attached by being screwed into the screw hole 6 of the holder 4. At this time, the large-diameter screw portion 3 is tightened until it is locked to the step portion 5a of the through hole 5 of the holder 4.
【００２４】前記第１及び第２回転軸１３及び１５の突
出部１３ａ、１５ａには、ねじ２０が設けられており、
前記切削刃１が装着されたホルダー４は、このネジ２０
に螺孔６をねじ込むことによって第１及び第２回転軸１
３及び１５に取付けられる。Screws 20 are provided on the protrusions 13a and 15a of the first and second rotary shafts 13 and 15, respectively.
The holder 4 to which the cutting blade 1 is attached has the screw 20
By screwing the screw hole 6 into the first and second rotary shafts 1
3 and 15 are attached.
【００２５】また、切削刃１は、図６に示すように第１
及び第２回転軸１３及び１５の先端に設けられた螺孔２
６に切削刃１のネジ部３ａをねじ込んで取り付けるよう
にしてもよい。Further, the cutting blade 1 has a first blade as shown in FIG.
And a screw hole 2 provided at the tips of the second rotating shafts 13 and 15.
The threaded portion 3a of the cutting blade 1 may be screwed into and attached to the blade 6.
【００２６】しかして、前記実施の形態の多連式プラス
チック光ファイバ端面の加工装置は、次のように作用す
る。第１回転軸１３は、モータ１０の駆動軸１１に連結
されたカップリング１２に連結されているのでモータ１
０の駆動で回転する。第２回転軸１５は、第１回転軸１
３の歯車１６と第２回転軸１５の歯車１７とが噛合され
ているので、第１回転軸１３が回転すると第２回転軸１
５も回転する。この第１及び第２回転軸１３及び１５に
は、切削刃１が装着されたホルダー４がねじ結合して取
付けられているので、このホルダー４も第１及び第２回
転軸１３及び１５と共に回転する。これにより切削刃１
も回転する。However, the apparatus for processing the end face of the multiple plastic optical fiber according to the above-described embodiment operates as follows. The first rotary shaft 13 is connected to the coupling 12 that is connected to the drive shaft 11 of the motor 10, so that the motor 1
It rotates by driving 0. The second rotary shaft 15 is the first rotary shaft 1
Since the gear 16 of No. 3 and the gear 17 of the second rotating shaft 15 are meshed with each other, when the first rotating shaft 13 rotates, the second rotating shaft 1
5 also rotates. Since the holder 4 on which the cutting blade 1 is mounted is attached by screwing to the first and second rotary shafts 13 and 15, the holder 4 also rotates together with the first and second rotary shafts 13 and 15. To do. This makes the cutting blade 1
Also rotates.
【００２７】そこで、図３に矢印で示すようにホルダー
４の貫通孔５に、先端側より光ファイバ２１を挿入し、
その端面を回転する切削刃１に少しの力で当接させる
と、光ファイバ２１の端面は、切削刃１において所定形
状に切削加工される。この時、ホルダー４は、並列して
設けられているため、多連式プラスチック光ファイバで
あっても、各々の光ファイバを各ホルダー４の切削刃に
おいて同時に切削加工できるものである。従って、並列
するホルダー４の数は、多連式プラスチック光ファイバ
の光ファイバ数に対応して設けると共に、各ホルダー
４、４間の間隔も、多連式プラスチック光ファイバの光
ファイバの間隔に近いことが望ましい。Therefore, as shown by the arrow in FIG. 3, the optical fiber 21 is inserted into the through hole 5 of the holder 4 from the front end side,
When the end surface is brought into contact with the rotating cutting blade 1 with a small force, the end surface of the optical fiber 21 is cut into a predetermined shape by the cutting blade 1. At this time, since the holders 4 are provided in parallel, even if the multiple plastic optical fibers are used, each optical fiber can be simultaneously cut by the cutting blade of each holder 4. Therefore, the number of holders 4 arranged in parallel corresponds to the number of optical fibers of the multiple plastic optical fiber, and the spacing between the holders 4 and 4 is close to the spacing of the multiple plastic optical fiber optical fibers. Is desirable.
【００２８】このようにホルダー４の貫通孔５内におい
て切削加工することにより、光ファイバ２１の位置ずれ
がなく、光ファイバ２１と切削刃１との軸心が一致する
ことになり、好ましい端面加工が可能となる。なお、こ
の光ファイバ端面の切削加工時に、切削屑（切り粉）が
発生し、これが切削加工の精度に影響するような場合に
は、切削刃１の刃先２近傍のホルダー４に窓（穴）を設
け排出するようにしてもよい。By cutting the inside of the through hole 5 of the holder 4 in this way, there is no positional deviation of the optical fiber 21 and the axes of the optical fiber 21 and the cutting blade 1 coincide with each other. Is possible. When cutting dust (cutting powder) is generated during the cutting of the end face of the optical fiber, which affects the accuracy of the cutting, a window (hole) is formed in the holder 4 near the cutting edge 2 of the cutting blade 1. May be provided and discharged.
【００２９】図７および図８は切削刃の実施の形態を示
す拡大正面図および要部拡大斜視図であり、本例の切削
刃１の刃先２は、中央が半円状の凹部２ａであり、それ
に連続して傾斜２ｂとなり、さらに垂直２ｃに連続する
形状となっている。光ファイバ２１は、通常、図９に示
すようにコア部２２、クラッド部２３およびジャケット
２４とで構成されている。従って、このような光ファイ
バ２１の端面を、前記実施の形態の切削刃１において切
削加工すると、切削刃１の形状に対応し、図９（ａ）に
示す端面形状となる。即ち、中心のコア部２２端面のみ
が半球面（レンズ）形状に切削加工され、クラッド部２
３は斜面（テーパ状）となり、ジャケット２４は平面と
なる。もちろん切削刃１の凹部２ａの直径がコア部２２
の直径に対応し、傾斜２ｂの幅がクラッド部２３の厚さ
に対応し、垂直２ｃの幅がジャケット２４の厚さに対応
している。FIG. 7 and FIG. 8 are an enlarged front view and an enlarged perspective view of an essential part showing an embodiment of a cutting blade. The cutting edge 2 of the cutting blade 1 of this example is a concave portion 2a having a semicircular shape at the center. , The slope 2b is continuously formed, and the vertical 2c is formed continuously. The optical fiber 21 is usually composed of a core portion 22, a clad portion 23 and a jacket 24 as shown in FIG. Therefore, when the end face of such an optical fiber 21 is cut by the cutting blade 1 of the above-described embodiment, the end face shape shown in FIG. 9A is obtained corresponding to the shape of the cutting blade 1. That is, only the end surface of the central core portion 22 is cut into a hemispherical surface (lens) shape,
3 is an inclined surface (tapered shape), and the jacket 24 is a flat surface. Of course, the diameter of the recess 2a of the cutting blade 1 is the core portion 22.
The width of the slope 2b corresponds to the thickness of the cladding portion 23, and the width of the vertical 2c corresponds to the thickness of the jacket 24.
【００３０】また、例えば、切削刃１の刃先２の形状が
凹部の半円状である場合には、光ファイバ２１の端面形
状は図９（ｂ）に示すように、コア部２２だけでなくク
ラッド部２３およびジャケット２４を含む光ファイバ２
１端面の全体が凸型の半球面となる。さらに、光ファイ
バ２１の端末には、コネクタを装着し、このコネクタと
一緒に端面加工を行なってもよい。Further, for example, when the shape of the cutting edge 2 of the cutting blade 1 is a semicircular recess, the end face shape of the optical fiber 21 is not limited to the core portion 22 as shown in FIG. 9B. Optical fiber 2 including clad portion 23 and jacket 24
The entire one end face becomes a convex hemisphere. Further, a connector may be attached to the end of the optical fiber 21 and end face processing may be performed together with this connector.
【００３１】以上の説明から理解できる通り、切削刃１
の形状を変えることによって、光ファイバ端面の切削形
状を任意に変えることができる。従って、切削刃１の形
状が凸型の半円状であると、光ファイバ２１端面を凹型
の半球面とすることもできることが理解できる。As can be understood from the above description, the cutting blade 1
By changing the shape of, the cutting shape of the end face of the optical fiber can be changed arbitrarily. Therefore, it can be understood that if the cutting blade 1 has a convex semicircular shape, the end surface of the optical fiber 21 can be a concave hemispherical surface.
【００３２】また、切削刃１は、１枚で所定形状として
もよいし、２枚以上（複数枚）で構成してもよい。図８
においては２枚の切削刃１ａ、１ｂで形成している。即
ち、中心より一方の切削刃１ａと他方の切削刃１ｂで連
続する所定形状となっている。The cutting blade 1 may have a predetermined shape with one piece, or may have two or more pieces (a plurality of pieces). Figure 8
In the above, it is formed by two cutting blades 1a and 1b. That is, one cutting blade 1a and the other cutting blade 1b have a predetermined shape continuous from the center.
【００３３】なお、この発明は前記実施の形態に制限さ
れるものではなく、この発明の要旨を逸脱しない範囲で
の種々の変更が可能である。例えば、切削刃１をホルダ
ー４に装着する構成でも、ホルダー４の貫通孔５を非円
形孔（例えば、断面六角形孔）とし、切削刃１の胴部の
一部又は全部を、これに対応する非円形（例えば、断面
六角形）としたり、又はホルダー４の貫通孔５に挿入し
た切削刃１を、ホルダー４の外側よりピン又はネジで固
定する構成とすることができるし、また、ホルダー４を
第１及び第２回転軸１３及び１５に取付ける構成も、軸
１３及び１５の先端を非円形軸とし、これにホルダー４
の非円形孔を嵌合したり、または軸１３及び１５にホル
ダー４を嵌合した後、ホルダー４の外側よりピン又はネ
ジで固定する構成とすることもできる。The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the gist of the present invention. For example, even in the configuration in which the cutting blade 1 is mounted on the holder 4, the through hole 5 of the holder 4 is a non-circular hole (for example, a hexagonal cross-section hole), and a part or all of the body portion of the cutting blade 1 corresponds to this. A non-circular shape (for example, a hexagonal cross section), or the cutting blade 1 inserted into the through hole 5 of the holder 4 can be fixed from the outside of the holder 4 with a pin or a screw. 4 is attached to the first and second rotating shafts 13 and 15, the tips of the shafts 13 and 15 are non-circular shafts, and the holder 4
Alternatively, the non-circular hole may be fitted, or the holder 4 may be fitted to the shafts 13 and 15 and then fixed from the outside of the holder 4 with a pin or a screw.
【００３４】[0034]
【発明の効果】以上詳細に説明した通り、この発明の多
連式プラスチック光ファイバ端面の加工装置は、モータ
の駆動軸に連結された被連結部材に連結されて回転する
第１回転軸と、前記モータ又は第１回転軸と伝動機構を
介して連結されて回転する１又は複数の第２回転軸とが
並列して設けられ、この各第１及び第２回転軸に貫通孔
を有し、この貫通孔に切削刃が着脱自在に装着され、こ
の貫通孔にプラスチック光ファイバを挿入して切削刃で
端面を切削加工するホルダーが並列して着脱自在に取付
けられ、多連式プラスチック光ファイバの各々の光ファ
イバを並列する各ホルダーの貫通孔に一端側より挿入
し、回転する切削刃において各々のプラスチック光ファ
イバ端面の少なくともコア部を同時に切削加工するよう
になっている。また、この発明の多連式プラスチック光
ファイバ端面の加工装置は、モータの駆動軸に連結され
た被連結部材に連結されて回転する第１回転軸と、前記
モータ又は第１回転軸と伝動機構を介して連結されて回
転する１又は複数の第２回転軸とが並列して設けられ、
この各第１及び第２回転軸の先端部に貫通孔を有するホ
ルダーが並列して着脱自在に固着され、このホルダーの
貫通孔内に位置して、切削刃が前記第１及び第２回転軸
の先端に着脱自在に固設されており、多連式プラスチッ
ク光ファイバの各々の光ファイバを並列する各ホルダー
の貫通孔に一端側より挿入し、回転する切削刃において
各々のプラスチック光ファイバ端面の少なくともコア部
を同時に切削加工するようになっているので、次のよう
な効果を奏する。As described in detail above, the apparatus for processing an end face of a multiple plastic optical fiber according to the present invention includes a first rotating shaft which is connected to a connected member which is connected to a drive shaft of a motor and which rotates. One or a plurality of second rotating shafts that are connected to the motor or the first rotating shaft via a transmission mechanism and rotate are provided in parallel, and each of the first and second rotating shafts has a through hole. A cutting blade is detachably attached to this through hole, and a holder for inserting a plastic optical fiber into this through hole and cutting the end face with the cutting blade is detachably attached in parallel. The respective optical fibers are inserted into the through holes of the holders arranged in parallel from one end side, and at least the core portions of the end faces of the respective plastic optical fibers are simultaneously cut by a rotating cutting blade. Further, the multiple plastic optical fiber end face processing apparatus of the present invention includes a first rotating shaft that is connected to a connected member that is connected to a drive shaft of a motor to rotate, the motor or the first rotating shaft, and a transmission mechanism. And one or more second rotating shafts that are connected and rotate via
Holders having through holes are attached in parallel to the tip portions of the respective first and second rotating shafts in a detachable manner in parallel, and the cutting blades are located in the through holes of the holders and the cutting blades are located in the first and second rotating shafts. It is detachably fixed to the tip of each of the multiple plastic optical fibers, and one end of each optical fiber of the multiple plastic optical fibers is inserted into the through hole of each holder in parallel. Since at least the core portion is cut at the same time, the following effects are achieved.
【００３５】（１）プラスチック光ファイバ端面を切削
加工する切削刃が装着されたホルダーが並列して設けら
れているので、多連式プラスチック光ファイバの各々の
光ファイバ端面を同時に切削加工することができる。従
って、多連式プラスチック光ファイバであっても、効率
のよい端面加工が可能となる。(1) Since the holders equipped with the cutting blades for cutting the end faces of the plastic optical fibers are provided in parallel, the end faces of the optical fibers of the multiple plastic optical fiber can be cut at the same time. it can. Therefore, even with the multiple plastic optical fiber, the end face can be efficiently processed.
【００３６】（２）プラスチック光ファイバ端面は、ホ
ルダーの貫通孔内において切削加工されるので、光ファ
イバの位置ずれがなく、かつ光ファイバと切削刃との軸
心を一致しての切削が可能となり、好ましい端面加工が
できる。(2) Since the end surface of the plastic optical fiber is cut in the through hole of the holder, there is no positional deviation of the optical fiber, and it is possible to perform cutting with the optical fiber and the cutting blade aligned with each other in the axial center. Therefore, preferable end face processing can be performed.
【００３７】（３）プラスチック光ファイバ端面は、凸
型の半球面ばかりでなく、切削刃の形状を変えることに
よって凹型の半球面をはじめ任意の形状に切削加工する
ことができる。(3) The end surface of the plastic optical fiber can be machined not only to the convex hemisphere but also to a concave hemisphere by changing the shape of the cutting blade.
【００３８】（４）従って、使用態様に応じて最適の光
ファイバ端面の形状を選択して形成することができる。
例えば、光の光量を一点に集光したり、拡散することが
自由に選択でき、また、光ファイバ同士の接続において
も光量の減少（損失）を少なくすることが可能となる。
また、光ファイバの一方の端面を凹型に切削加工し、こ
の凹型の部分に他の材料で形成した球状体を嵌着するこ
とにより、端面の屈折率を変えることもできる。(4) Therefore, the optimum shape of the end face of the optical fiber can be selected and formed according to the mode of use.
For example, the light quantity of light can be freely selected to be condensed or diffused at one point, and the reduction (loss) of the light quantity can be reduced even when the optical fibers are connected to each other.
Further, it is also possible to change the refractive index of the end surface by cutting one end surface of the optical fiber into a concave shape and fitting a spherical body made of another material into this concave portion.
【００３９】（５）プラスチック光ファイバ端面は、コ
ア部だけでなく、クラッド部やジャケットも含め選択的
に端面加工することができる。(5) The end surface of the plastic optical fiber can be selectively processed not only in the core part but also in the clad part and the jacket.
【００４０】（６）切削刃（刃物）を使用し切削加工す
るので、従来のように加熱手段や急冷却手段等が不要と
なり、構造が簡単で安価となるし、操作も容易であり誰
でもが簡単に端面加工することができる。(6) Since cutting is performed using a cutting blade (cutting tool), heating means, rapid cooling means, etc. are not required as in the conventional case, the structure is simple and inexpensive, and the operation is easy and anyone can operate. However, the end surface can be easily processed.
【図１】この発明の実施の形態を示す平面説明図であ
る。FIG. 1 is an explanatory plan view showing an embodiment of the present invention.
【図２】この発明の実施の形態を示す正面説明図であ
る。FIG. 2 is a front explanatory view showing the embodiment of the present invention.
【図３】この発明の実施の形態を示す要部拡大断面部分
説明図である。FIG. 3 is an enlarged cross-sectional partial explanatory view of an essential part showing the embodiment of the present invention.
【図４】ホルダーを取外した状態の要部拡大断面部分説
明図である。FIG. 4 is an enlarged cross-sectional partial explanatory view of an essential part with a holder removed.
【図５】ホルダーの分解断面説明図である。FIG. 5 is an exploded sectional explanatory view of a holder.
【図６】切削刃の他の取付構造を示す分解説明図であ
る。FIG. 6 is an exploded explanatory view showing another attachment structure of the cutting blade.
【図７】切削刃の実施の形態を示す拡大正面説明図であ
る。FIG. 7 is an enlarged front explanatory view showing the embodiment of the cutting blade.
【図８】切削刃の実施の形態を示す要部拡大斜視図であ
る。FIG. 8 is an enlarged perspective view of an essential part showing an embodiment of a cutting blade.
【図９】プラスチック光ファイバ端面の加工形状を示す
拡大断面図（ａ）（ｂ）である。9A and 9B are enlarged cross-sectional views (a) and (b) showing the processed shape of the end surface of the plastic optical fiber.
【図１０】従来例を工程順（ａ）（ｂ）（ｃ）（ｄ）に
示す断面説明図である。FIG. 10 is a cross-sectional explanatory view showing a conventional example in the order of steps (a), (b), (c), and (d).
１ 切削刃 １ａ、１ｂ 切削刃 ２ 刃先 ２ａ 刃先の半円状の部分 ２ｂ 刃先の傾斜の部分 ２ｃ 刃先の垂直の部分 ３ 切削刃の径大のねじ部 ３ａ 切削刃のねじ部 ４ ホルダー ５ ホルダーの貫通孔 ６ ホルダーの螺孔 ７ 基板 ８ 取付板 ９ 軸受板 １０ モータ １１ 駆動軸 １２ 被連結部材（カップリング） １３ 第１回転軸 １５ 第２回転軸 １６、１７ 歯車 １８、１９ 軸受 ２１ プラスチック光ファイバ ２２ コア部 ２３ クラッド部 ２４ ジャケット ２６ 螺孔 1 cutting blade 1a, 1b Cutting blade 2 cutting edge 2a Semicircular part of the cutting edge 2b Inclined part of the cutting edge 2c Vertical part of the cutting edge 3 Large diameter thread of cutting blade 3a Cutting blade thread 4 holder 5 Holder through hole 6 Holder screw holes 7 substrate 8 Mounting plate 9 Bearing plate 10 motors 11 drive shaft 12 Connected member (coupling) 13 1st rotating shaft 15 Second rotating shaft 16 and 17 gears 18, 19 bearings 21 plastic optical fiber 22 Core part 23 Clad part 24 jacket 26 screw holes
───────────────────────────────────────────────────── フロントページの続き (72)発明者 木 造 弘 千葉県千葉市花見川区検見川町３−301− 22 Ｆターム(参考） 2H050 AA13 AC87 3C045 BA33 BA40 CA06 CA30 DA01 DA06 ─────────────────────────────────────────────────── ─── Continued front page (72) Inventor Hiroshi Kizo 3-301-Kemigawa-cho, Hanamigawa-ku, Chiba-shi, Chiba Prefecture twenty two F-term (reference) 2H050 AA13 AC87 3C045 BA33 BA40 CA06 CA30 DA01 DA06
Claims (6)
に連結されて回転する第１回転軸と、前記モータ又は第
１回転軸と伝動機構を介して連結されて回転する１又は
複数の第２回転軸とが並列して設けられ、この各第１及
び第２回転軸には、貫通孔を有し、この貫通孔に切削刃
が着脱自在に装着され、この貫通孔にプラスチック光フ
ァイバを挿入して切削刃で端面を切削加工するホルダー
が並列して着脱自在に取付けられ、多連式プラスチック
光ファイバの各々の光ファイバを並列する各ホルダーの
貫通孔に一端側より挿入し、回転する切削刃において各
々のプラスチック光ファイバ端面の少なくともコア部を
同時に切削加工することを特徴とする多連式プラスチッ
ク光ファイバ端面の加工装置。1. A first rotating shaft that is connected to a connected member that is connected to a drive shaft of a motor and rotates, and one or a plurality of rotating members that are connected to the motor or the first rotating shaft via a transmission mechanism. A second rotating shaft is provided in parallel, each of the first and second rotating shafts has a through hole, and a cutting blade is detachably attached to the through hole, and the plastic optical fiber is inserted into the through hole. Holders for inserting and cutting the end surface with a cutting blade are installed in parallel in a detachable manner, and each optical fiber of the multiple plastic optical fiber is inserted from one end side into the through hole of each parallel holder and rotated. At least a core part of each plastic optical fiber end face is simultaneously cut by a cutting blade for cutting.
に連結されて回転する第１回転軸と、前記モータ又は第
１回転軸と伝動機構を介して連結されて回転する１又は
複数の第２回転軸とが並列して設けられ、この各第１及
び第２回転軸の先端部に貫通孔を有するホルダーが並列
して着脱自在に固着され、このホルダーの貫通孔内に位
置して、切削刃が前記第１及び第２回転軸の先端に着脱
自在に固設されており、多連式プラスチック光ファイバ
の各々の光ファイバを並列する各ホルダーの貫通孔に一
端側より挿入し、回転する切削刃において各々のプラス
チック光ファイバ端面の少なくともコア部を同時に切削
加工することを特徴とする多連式プラスチック光ファイ
バ端面の加工装置。2. A first rotating shaft that is connected to a connected member that is connected to a drive shaft of a motor and rotates, and one or a plurality of rotating members that are connected to the motor or the first rotating shaft via a transmission mechanism. A second rotary shaft is provided in parallel with each other, and holders having through holes are attached to the tip ends of the first and second rotary shafts in parallel so as to be detachably fixed and positioned in the through holes of the holder. A cutting blade is detachably fixed to the tips of the first and second rotating shafts, and the optical fibers of the multiple plastic optical fiber are inserted into the through holes of the holders arranged in parallel from one end side, A multiple-type plastic optical fiber end face processing apparatus characterized in that at least a core portion of each plastic optical fiber end face is simultaneously cut by a rotating cutting blade.
ク光ファイバ端面を切削加工する部分に位置して窓が開
口されていることを特徴とする請求項１または２記載の
多連式プラスチック光ファイバ端面の加工装置。3. The multiple plastic optical fiber according to claim 1, wherein a window is opened in the holder at a portion where the end surface of the plastic optical fiber is cut by a cutting blade. End face processing device.
結されるカップリングであることを特徴とする請求項１
乃至３のいずれかに記載の多連式プラスチック光ファイ
バ端面の加工装置。4. The coupling member is a coupling coupled to a drive shaft of a motor.
4. A processing device for a multiple plastic optical fiber end face according to any one of 3 to 3.
する部分が凹型または凸型の半円状であり、プラスチッ
ク光ファイバ端面の少なくともコア部を、凸型または凹
型の半球面に切削加工することを特徴とする請求項１乃
至４のいずれかに記載の多連式プラスチック光ファイバ
端面の加工装置。5. The cutting blade has a concave or convex semicircular shape at least at a portion corresponding to the core portion, and cuts at least the core portion of the end surface of the plastic optical fiber into a convex or concave hemispherical surface. The apparatus for processing an end face of a multiple plastic optical fiber according to any one of claims 1 to 4, characterized in that.
切削刃において半円状に形成されていることを特徴とす
る請求項５記載の多連式プラスチック光ファイバ端面の
加工装置。6. The apparatus for processing an end face of a multiple plastic optical fiber according to claim 5, wherein the semicircular cutting blade is formed in a semicircular shape in one or a plurality of cutting blades.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001371465A JP3906348B2 (en) | 2001-12-05 | 2001-12-05 | Multiple plastic optical fiber end face processing equipment |
| DK02008063.6T DK1291687T3 (en) | 2001-09-07 | 2002-04-11 | Process for the end surface treatment of a fiber |
| EP02008063A EP1291687B1 (en) | 2001-09-07 | 2002-04-11 | Fiber end surface processing method |
| AT02008063T ATE518158T1 (en) | 2001-09-07 | 2002-04-11 | ENDSURFACE TREATMENT METHOD FOR AN OPTICAL PLASTIC FIBER |
| KR1020020027102A KR100956464B1 (en) | 2001-09-07 | 2002-05-16 | Plastic optical fiber surface processing method, processing apparatus for the method, cutter for use in the method |
| US10/151,836 US6960029B2 (en) | 2001-09-07 | 2002-05-21 | Plastic optical fiber end surface processing method, processing apparatus for the method, cutter for use in the method, and plastic optical fiber connecting method |
| CNB021216673A CN1307446C (en) | 2001-09-07 | 2002-05-31 | Plastic light guide fiber end face processing method, apparatus, cutting blade and connecting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001371465A JP3906348B2 (en) | 2001-12-05 | 2001-12-05 | Multiple plastic optical fiber end face processing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003172829A true JP2003172829A (en) | 2003-06-20 |
| JP3906348B2 JP3906348B2 (en) | 2007-04-18 |
Family
ID=19180502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001371465A Expired - Fee Related JP3906348B2 (en) | 2001-09-07 | 2001-12-05 | Multiple plastic optical fiber end face processing equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3906348B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020146751A (en) * | 2019-03-15 | 2020-09-17 | 宮▲崎▼機械システム株式会社 | Pointing machine |
-
2001
- 2001-12-05 JP JP2001371465A patent/JP3906348B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020146751A (en) * | 2019-03-15 | 2020-09-17 | 宮▲崎▼機械システム株式会社 | Pointing machine |
| JP7283008B2 (en) | 2019-03-15 | 2023-05-30 | 宮▲崎▼機械システム株式会社 | appetizer |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3906348B2 (en) | 2007-04-18 |
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