JPH0367205A - Automatic clamping device for optical fiber - Google Patents

Automatic clamping device for optical fiber

Info

Publication number
JPH0367205A
JPH0367205A JP1204360A JP20436089A JPH0367205A JP H0367205 A JPH0367205 A JP H0367205A JP 1204360 A JP1204360 A JP 1204360A JP 20436089 A JP20436089 A JP 20436089A JP H0367205 A JPH0367205 A JP H0367205A
Authority
JP
Japan
Prior art keywords
optical fiber
clamp
clamping device
automatic
fiber
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
Application number
JP1204360A
Other languages
Japanese (ja)
Other versions
JP2795283B2 (en
Inventor
Keiji Osaka
啓司 大阪
Michito Matsumoto
松本 三千人
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.)
Nippon Telegraph and Telephone Corp
Sumitomo Electric Industries Ltd
Original Assignee
Nippon Telegraph and Telephone Corp
Sumitomo Electric Industries Ltd
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 Nippon Telegraph and Telephone Corp, Sumitomo Electric Industries Ltd filed Critical Nippon Telegraph and Telephone Corp
Priority to JP1204360A priority Critical patent/JP2795283B2/en
Publication of JPH0367205A publication Critical patent/JPH0367205A/en
Application granted granted Critical
Publication of JP2795283B2 publication Critical patent/JP2795283B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Mechanical Coupling Of Light Guides (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

PURPOSE:To enhance the efficiency of operation and to improve quality by inserting an optical fiber into a longitudinal direction for the purpose of post termination treatment, then projecting and gripping the fiber in a specified length, subjecting the fiber to the termination treatment, and taking out the optical fiber in the direction perpendicular to its optical and direction. CONSTITUTION:A clamping device body 1 has a stationary lower clamp 12 and an upper lamp 14 which is movable in a vertical direction. A movable clamping base 13 has an opening/closing mechanism so that the upper and lower clamps 12, 14 can be put into three states; fully open, mid-open and fully close. The clamps 12, 14 are so constituted that the optical fiber A is insetted into the longitudinal direction thereof and is gripped after the front end of a specified length is exposed. The safe gripping with high accuracy is executed in this way regardless of a single fiber and multiple fibers. The inserting and taking out of the optical fiber A are facilitated and the efficiency of the operation and quality are improved.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は光ファイバ、光ケーブル等の接続、測定等にお
いて光ファイバの端末処理等に使用する自動クランプ装
置に関するものである。
DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an automatic clamping device used for processing the ends of optical fibers in connection, measurement, etc. of optical fibers and optical cables.

(従来の技術及び解決しようとする課題)従来、光ファ
イバの端末処理等において、光ファイバを把持するには
、■溝を形成したクランプを用いたり、コレットチャッ
ク様のチャック等で行なうことが多かった。
(Prior art and problems to be solved) Conventionally, in the terminal processing of optical fibers, in order to grip the optical fibers, clamps with grooves or chucks such as collet chucks were often used. Ta.

しかし、前者のV溝りランプを用いる場合は、端末処理
の際の引き抜き力に耐え得る把持力を発生することが困
難であった。又後者のチャックを用いる場合は一対の光
ファイバを接続した後にこれを取り幽すことが出来ない
という問題があった。さらに、開閉式の平行チャックの
場合、開閉方向に対して真横に取り幽すことが出来ても
、光ファイバの挿入時に規定のチャック位置にセットす
ることが困難であった。
However, when using the former V-groove lamp, it is difficult to generate a gripping force that can withstand the pulling force during terminal processing. Furthermore, when the latter chuck is used, there is a problem in that it is impossible to keep the pair of optical fibers together after they have been connected. Furthermore, in the case of an opening/closing type parallel chuck, even if it is possible to hold the chuck right sideways with respect to the opening/closing direction, it is difficult to set the chuck at a specified chuck position when inserting the optical fiber.

(課題を解決するための手段) 本発明は上述の問題点を解消し、後の端末処理のために
光ファイバを長手方向に挿通した後一定長を出して把持
し、端末処理後、光ファイバをその先軸に直角方向に取
り出すことを可能にした光ファイバの自動クランプ装置
を提供するもので、その特徴は、固定クランプと上下方
向に移動可能な可動クランプの一対のクランプより成り
、該クランプは全開、中開、全開の3つの状態を実現可
能であり、光ファイバを長手方向に押通し一定長の先端
を露出した後これを把持するよう構成されていることに
ある。
(Means for Solving the Problems) The present invention solves the above-mentioned problems, and after the optical fiber is inserted in the longitudinal direction for later terminal processing, a certain length is taken out and held, and after the terminal processing, the optical fiber is The present invention provides an automatic optical fiber clamping device that makes it possible to take out an optical fiber in a direction perpendicular to its tip axis.The feature is that it consists of a pair of clamps, a fixed clamp and a movable clamp that can be moved in the vertical direction. The device is capable of realizing three states: fully open, semi-open, and fully open, and is configured so that the optical fiber is pushed through in the longitudinal direction to expose a certain length of the tip, and then the tip is held.

第1図は本発明の光ファイバ用自動クランプ装置の具体
例の外観図である。
FIG. 1 is an external view of a specific example of the automatic optical fiber clamping device of the present invention.

本発明の自動クランプ装置は、クランプ装置本体(1)
、該クランプ装置本体(1)へ光ファイバ(A)(第3
図参照)を長手方向に挿通ずるための一対のローラー(
2)及び挿通した光ファイバ(A)がクランプ装置本体
(1)から一定長出たことを検知する光電センサ(3)
を具えている。
The automatic clamping device of the present invention includes a clamping device main body (1)
, the optical fiber (A) (third
A pair of rollers (see figure) for longitudinally inserting the
2) and a photoelectric sensor (3) that detects that a certain length of the inserted optical fiber (A) has come out from the clamp device body (1).
It is equipped with

前記クランプ装置本体(1)は固定クランプ台(II)
にビス等により固着した固定の下クランプ(12)と、
可動クランプ台(13)にビス等により固着した上下方
向に可動な上クランプ(I4)を具えており、可動クラ
ンプ台(+3)には第2閃に示すような開閉機構を有し
、これにより上下クランプ(12)(14)は全開、中
開、全開の3つの状態を実現する。
The clamp device main body (1) is a fixed clamp stand (II)
A fixed lower clamp (12) fixed with screws etc. to the
The movable clamp base (13) is equipped with an upper clamp (I4) that is movable in the vertical direction and fixed with screws, etc., and the movable clamp base (+3) has an opening/closing mechanism as shown in the second flash. The upper and lower clamps (12) and (14) realize three states: fully open, middle open, and fully open.

第2図は上下クランプ(12)(+4>が中開の状態に
あり、その中に光ファイバ(A)が長手方向に押通され
ている開閉機構の断面図である。
FIG. 2 is a cross-sectional view of the opening/closing mechanism in which the upper and lower clamps (12) (+4> are in a middle open state and the optical fiber (A) is pushed through them in the longitudinal direction.

(Is)(15’ )(15°)は上クランプ(+4)
を全開、中開、全閉するためのセンサ円板(16)(I
li’ )(Ift″)を具えたセンサ、(+’y)は
上記センサ円板(16)を貫通する軸を持った駆動用の
モータ、上記駆動用モータ(17)の上端にはカム機構
(18)があり、これの作用により上クランプ(14)
はガイドシャフト09)上を上下し、上述のよつに下ク
ランプ(12)との間に全開、中開、全開の状態を保持
する。
(Is) (15') (15°) is the upper clamp (+4)
Sensor disk (16) (I
li' ) (Ift''), (+'y) is a driving motor with a shaft passing through the sensor disc (16), and a cam mechanism is installed at the upper end of the driving motor (17). (18), and the action of this causes the upper clamp (14) to
moves up and down on the guide shaft 09) and maintains the fully open, mid-open, and fully open states between it and the lower clamp (12) as described above.

又一対の上下クランプ(12)(+4)は第4図に示す
ように、光ファイバ(A)との接触面が、例えば上クラ
ンプ(+4)がゴム状の弾性体(14a)であり、下ク
ランプ(12)は金属体でうねりH2a)を形成してい
る。これにより光ファイバ(A)の端末処理の際の引き
抜き力に耐え得る把持力を発生させることが出来る。
Further, as shown in FIG. 4, the pair of upper and lower clamps (12) (+4) have contact surfaces with the optical fiber (A), for example, the upper clamp (+4) is a rubber-like elastic body (14a), and the lower clamp (+4) is a rubber-like elastic body (14a). The clamp (12) is a metal body and forms undulations H2a). Thereby, it is possible to generate a gripping force that can withstand the pulling force during terminal processing of the optical fiber (A).

(作用) 第4図(イ)〜(ハ)はいずれも本発明の自動クランプ
装置における上下クランプの作動状態の説明図で、それ
ぞれ(a)図は縦断面図、(b)図は光ファイバを挿通
した状態の横断面図である。又第5図は上下クランプの
開閉の制御方法の説明図である。
(Function) Figures 4(a) to 4(c) are explanatory diagrams of the operating states of the upper and lower clamps in the automatic clamping device of the present invention, where (a) is a longitudinal sectional view and (b) is an optical fiber. FIG. FIG. 5 is an explanatory diagram of a method of controlling opening and closing of the upper and lower clamps.

クランプ(12)(ロ)は第4図(イ)に示すように中
開の状態で待機している。この時の上のクランプ(14
)と下クランプ(12)の開口の寸法(Hl)は、第3
図に示すような多心光ファイバ(人)の幅(W)、高さ
(h)のいずれか大きい方の寸法を越えない寸法しか開
かない。このような状態で、光ファイバ(A)(単心、
多心を問わない)はクランプの入口からローラ(2)(
第1図参照)あるいは手によって上下クランプ(14)
(12)の間に供給される。
The clamp (12) (b) is waiting in an open state as shown in FIG. 4 (a). The upper clamp at this time (14
) and the opening dimension (Hl) of the lower clamp (12) are the third
It can only be opened to a dimension that does not exceed the larger of the width (W) or height (h) of the multi-core optical fiber (width) as shown in the figure. In this state, the optical fiber (A) (single core,
Regardless of the number of cores), the roller (2) (
(see Figure 1) or by hand to clamp the top and bottom (14).
(12).

光ファイバ(A)がクランプ装置本体(1)に押通され
た後、クランプ装置本体(1)出口から一定長離れて設
置されている光電センサ(3)によって先端を検出され
、その信号に基づいて第4図(ロ)のように上下クラン
プ(+4)(+2)が閉状態となり、光ファイバ(A)
をしっかりと把持する。
After the optical fiber (A) is pushed through the clamp device main body (1), the tip is detected by a photoelectric sensor (3) installed at a certain distance from the exit of the clamp device main body (1), and based on the signal As shown in Figure 4 (b), the upper and lower clamps (+4) (+2) are closed, and the optical fiber (A)
grip firmly.

この後、露出した光ファイバ(A)に対して被覆除去、
切断、融着接続、スクリーニング等の所定の処理が加え
られ、後続のチヤプタ等に持ちかえられる。この信号に
より、第4図(ハ)に示すように上下クランプ(+4)
(+2)は全開状態(H2)となり、光ファイバ(人)
は光軸の直交方向(4図(ハ)(B〉図の矢印の方向〉
に移動可能となり、光ファイバ(A)はこの方向に取り
出される。
After that, the exposed optical fiber (A) is coated and removed.
Predetermined processing such as cutting, fusion splicing, and screening is applied, and the tape is transferred to a subsequent chapter or the like. With this signal, the upper and lower clamps (+4) are activated as shown in Figure 4 (c).
(+2) is fully open (H2), and the optical fiber (person)
is the direction perpendicular to the optical axis (direction of arrow in Figure 4 (C) (B))
The optical fiber (A) can be moved in this direction, and the optical fiber (A) can be taken out in this direction.

なお、中開状態にある上下クランプ(+4)(12)に
光ファイバ(A)を長手方向に挿通する際、光ファイバ
(A)の挿入を容易にするため、上下クランプ(14)
(12)の入り口部において、入り口に向って拡大した
テーパ部(14b)(+2b)を形成しである。
In addition, when inserting the optical fiber (A) in the longitudinal direction into the upper and lower clamps (+4) (12) that are in the middle open state, in order to facilitate insertion of the optical fiber (A), the upper and lower clamps (14)
At the entrance portion of (12), a tapered portion (14b) (+2b) is formed that expands toward the entrance.

又第6図に示すように上下のクランプ(14)(+2)
をL型に配置し、可動クランプ台(13)及び固定クラ
ンプ台(!l)に対し手前からネジ止めする機構をとる
ことにより、異なる寸法形状の光ファイバに対してもそ
れぞれ適した上下クランプを準備し、交換することによ
って、段取り変更に短時間に、容易に対応することが出
来る。
Also, as shown in Figure 6, the upper and lower clamps (14) (+2)
By arranging them in an L-shape and screwing them into the movable clamp table (13) and fixed clamp table (!l) from the front, it is possible to provide upper and lower clamps that are suitable for optical fibers of different sizes and shapes. By preparing and replacing them, you can easily respond to setup changes in a short time.

第7図は本発明の自動クランプ装置における上下クラン
プの他の具体例の縦断面をあられした説明図である。
FIG. 7 is an explanatory diagram showing a longitudinal section of another specific example of the upper and lower clamps in the automatic clamping device of the present invention.

図面に示すように、上クランプ(14)を2つの部分に
分け、その中間にクランプ力増加機構(21)を配置す
る。このクランプ力増加機構(21)は上クランプ(1
4)より高さが高く、同図(イ)のように上下クランプ
(14)(12)の閉状態において光ファイバ(A)を
把持した時、上クランプ(14)より突出するが、上ク
ランプ(14)に取り付けた板バネ等の加圧部材(22
)によって下方へ押圧されることによす、光ファイバ(
A)の把持力を(14)のクランプ力によらず一層増加
することが出来る。なお、同図(0は上下クランプの開
状態を示している。
As shown in the drawing, the upper clamp (14) is divided into two parts, and the clamping force increasing mechanism (21) is disposed in the middle. This clamping force increasing mechanism (21) is connected to the upper clamp (1
4) It is taller and protrudes from the upper clamp (14) when the optical fiber (A) is gripped with the upper and lower clamps (14) and (12) closed as shown in the same figure (A), but the upper clamp Pressure member (22) such as a leaf spring attached to (14)
), the optical fiber (
The gripping force in A) can be further increased without depending on the clamping force in (14). Note that in the same figure (0 indicates the open state of the upper and lower clamps).

(発明の効果) 以上説明したように、本発明の光ファイバ用自動クラン
プ装置によれば、単心、多心を問わず安全かつ高精度に
把持することが出来ると共に、光ファイバの挿通及び取
り出しも容易で、光ファイバの端末処理、接続、測定作
業等の効率化及び品質の向上をはかることが出来る。
(Effects of the Invention) As explained above, according to the automatic optical fiber clamping device of the present invention, it is possible to safely and highly accurately grip both single fibers and multi-fibers, and also to insert and take out optical fibers. It is easy to use, and it is possible to improve the efficiency and quality of optical fiber terminal processing, connection, measurement work, etc.

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

第1図は本発明の自動クランプ装置の具体例の外観図、
第2図は上下クランプの開閉機構の説明図である。 第3図は多心光ファイバの構造の一例を示す横断面図で
ある。 第4図(イ)〜(ハ)は本発明の自動クランプ装置にお
ける上下クランプの作動状態の説明図で、それぞれ(a
)図は縦断面図、(b)図は光ファイバを挿通した状態
の横断面図である。 第5図は上下クランプの開閉の制御方法の説明図である
。 第6図はクランプの取り付は方法の説明図である。 第7図は上下クランプの他の具体例の説明図で、同図(
イ)は光ファイバを把持した状態、同図(0)は開状態
のそれぞれ縦断面図である。 A・・・光ファイバ、1・・・クランプ装置本体、2・
・・ローラー 3・・・光電センサー ■1・・・固定クランプ台、+2・・・下クランプN 
13・・・可動クランプ台、14・・・上クランプ、1
5・・・全開センサー 15″・・・中開センサー 1
5″・・・全閉センサー、16・・・センサー円W、1
7・・・モーター、18・・・カム機構、+9・・・ガ
イドシャフト、20・・・バネ、21・・・クランプ力
増加機構、22・・・加圧部材、23・・・軸受。
FIG. 1 is an external view of a specific example of the automatic clamping device of the present invention;
FIG. 2 is an explanatory diagram of the opening/closing mechanism of the upper and lower clamps. FIG. 3 is a cross-sectional view showing an example of the structure of a multi-core optical fiber. FIGS. 4(a) to 4(c) are explanatory diagrams of the operating states of the upper and lower clamps in the automatic clamping device of the present invention, respectively (a)
) is a longitudinal cross-sectional view, and (b) is a cross-sectional view with an optical fiber inserted. FIG. 5 is an explanatory diagram of a method of controlling opening and closing of the upper and lower clamps. FIG. 6 is an explanatory diagram of the method of attaching the clamp. Figure 7 is an explanatory diagram of another specific example of the upper and lower clamps.
A) is a longitudinal cross-sectional view of the optical fiber in the gripped state, and FIG. A... Optical fiber, 1... Clamp device body, 2...
...Roller 3...Photoelectric sensor ■1...Fixed clamp base, +2...Lower clamp N
13...Movable clamp stand, 14...Upper clamp, 1
5...Full open sensor 15''...Medium open sensor 1
5″... Fully closed sensor, 16... Sensor circle W, 1
7... Motor, 18... Cam mechanism, +9... Guide shaft, 20... Spring, 21... Clamp force increasing mechanism, 22... Pressure member, 23... Bearing.

Claims (6)

【特許請求の範囲】[Claims] (1)固定クランプと上下方向に移動可能な可動クラン
プの一対のクランプより成り、該クランプは全開、中開
、全閉の3つの状態を実現可能であり、光ファイバを長
手方向に挿通し一定長の先端を露出した後これを把持す
るよう構成されていることを特徴とする光ファイバ用自
動クランプ装置。
(1) Consisting of a fixed clamp and a movable clamp that can be moved vertically, the clamp can be in three states: fully open, partially open, and fully closed, and allows the optical fiber to be inserted in the longitudinal direction at a constant rate. An automatic clamping device for an optical fiber, characterized in that the device is configured to grip the tip of a long fiber after it is exposed.
(2)クランプが中開時には光ファイバの幅、高さのい
ずれか大きい寸法を越えない寸法しか開かないことを特
徴とする請求項(1)記載の光ファイバ用自動クランプ
装置。
(2) The automatic optical fiber clamping device according to claim (1), wherein when the clamp is opened midway, it opens only to a dimension that does not exceed the larger of either the width or the height of the optical fiber.
(3)クランプの光ファイバ接触面の一方がゴム状弾性
体であり、他方が金属体でうねりを形成していることを
特徴とする請求項(1)記載の光ファイバ用自動クラン
プ装置。
(3) The automatic optical fiber clamp device according to claim (1), wherein one of the optical fiber contact surfaces of the clamp is made of a rubber-like elastic body, and the other is a metal body forming undulations.
(4)一対のクランプ面の一方にクランプ力増加機構を
具えていることを特徴とする請求項(1)記載の光ファ
イバ用自動クランプ装置。
(4) The automatic optical fiber clamping device according to claim (1), further comprising a clamping force increasing mechanism on one of the pair of clamping surfaces.
(5)クランプの光ファイバの入口部がテーパ状をなし
ていることを特徴とする請求項(1)記載の光ファイバ
用自動クランプ装置。
(5) The automatic optical fiber clamping device according to claim (1), wherein the optical fiber entrance portion of the clamp has a tapered shape.
(6)光ファイバをローラーによってクランプに自動供
給し、クランプを通過した後クランプの出口附近にてそ
の先端をセンサーによって検知し、その信号によってク
ランプが自動的に閉じることを特徴とする請求項(1)
記載の光ファイバ用自動クランプ装置。
(6) Claim characterized in that the optical fiber is automatically supplied to the clamp by a roller, and after passing through the clamp, the tip of the optical fiber is detected by a sensor near the exit of the clamp, and the clamp is automatically closed in response to the signal. 1)
Automatic clamping device for optical fibers as described.
JP1204360A 1989-08-07 1989-08-07 Automatic clamping device for optical fiber Expired - Lifetime JP2795283B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1204360A JP2795283B2 (en) 1989-08-07 1989-08-07 Automatic clamping device for optical fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1204360A JP2795283B2 (en) 1989-08-07 1989-08-07 Automatic clamping device for optical fiber

Publications (2)

Publication Number Publication Date
JPH0367205A true JPH0367205A (en) 1991-03-22
JP2795283B2 JP2795283B2 (en) 1998-09-10

Family

ID=16489223

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1204360A Expired - Lifetime JP2795283B2 (en) 1989-08-07 1989-08-07 Automatic clamping device for optical fiber

Country Status (1)

Country Link
JP (1) JP2795283B2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02219005A (en) * 1989-02-20 1990-08-31 Sumitomo Electric Ind Ltd Conveying device for coated optical fiber

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02219005A (en) * 1989-02-20 1990-08-31 Sumitomo Electric Ind Ltd Conveying device for coated optical fiber

Also Published As

Publication number Publication date
JP2795283B2 (en) 1998-09-10

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