JPH0746370Y2 - Split coating device for wire - Google Patents
Split coating device for wireInfo
- Publication number
- JPH0746370Y2 JPH0746370Y2 JP4335590U JP4335590U JPH0746370Y2 JP H0746370 Y2 JPH0746370 Y2 JP H0746370Y2 JP 4335590 U JP4335590 U JP 4335590U JP 4335590 U JP4335590 U JP 4335590U JP H0746370 Y2 JPH0746370 Y2 JP H0746370Y2
- Authority
- JP
- Japan
- Prior art keywords
- nipple
- die
- fitting
- hole
- resin
- 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 - Fee Related
Links
Landscapes
- Processes Specially Adapted For Manufacturing Cables (AREA)
- Manufacturing Of Electric Cables (AREA)
- Coating Apparatus (AREA)
Description
【考案の詳細な説明】 ［産業上の利用分野］ 本考案は、光ファイバ等の線材に樹脂を被覆する線材用
分割型被覆装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a split type coating device for a wire rod, which coats a wire rod such as an optical fiber with a resin.
［従来の技術］ 従来のこの種の線材用分割型被覆装置は、第６図乃至第
８図に示すように、円形嵌合孔１を有するボディ２を備
え、該ボディ２内にはニップル３とダイス４とが嵌合さ
れ、ロー付けで固定されている。ニップル３とダイス４
とには、整列してニップル孔3aとダイス孔4aとが設けら
れている。ボディ２内でニップル３とダイス４との間に
は樹脂流路５が形成され、該樹脂流路５にはボディ２に
接続された樹脂供給管６内を通る樹脂供給路７より樹脂
が供給されるようになっている。樹脂流路５内の樹脂
は、ニップル孔3aを経てダイス孔4aを通り抜ける光ファ
イバの如き線材に被覆されるようになっているニップル
３とダイス４とは、ニップル孔3aとダイス孔4aに沿った
共通の分割面８で、樹脂供給管６を有する側の分割体9A
と、その反対側の分割体9Bとにボディ２も含めて２分割
されている。分割面８は、位置決めピン10と図示しない
位置決め孔との嵌合により位置合せがなされるようにな
っている。また、図示しないが両ボディ２は共通のプレ
ート上に載置され、樹脂供給管６を有する側の分割体9A
は予め該プレート上に固定され、可動側の分割体9Bの分
割面８はプレートに設置された押圧手段で固定側の分割
体9Aの分割面８に圧接されるようになっている。[Prior Art] A conventional split type coating device for a wire of this type is provided with a body 2 having a circular fitting hole 1 as shown in Figs. 6 to 8, and a nipple 3 is provided in the body 2. And the die 4 are fitted and fixed by brazing. Nipple 3 and die 4
Are provided with a nipple hole 3a and a die hole 4a aligned with each other. A resin flow path 5 is formed in the body 2 between the nipple 3 and the die 4, and resin is supplied to the resin flow path 5 from a resin supply path 7 passing through a resin supply pipe 6 connected to the body 2. It is supposed to be done. The resin in the resin flow path 5 is covered with a wire material such as an optical fiber which passes through the die hole 4a through the nipple hole 3a. The nipple 3 and the die 4 are along the nipple hole 3a and the die hole 4a. The common divided surface 8 and the divided body 9A on the side having the resin supply pipe 6
And the body 9 including the body 2 is divided into two on the opposite side. The dividing surface 8 is adapted to be aligned by fitting a positioning pin 10 and a positioning hole (not shown). Although not shown, both bodies 2 are placed on a common plate, and the divided body 9A on the side having the resin supply pipe 6 is provided.
Is previously fixed on the plate, and the dividing surface 8 of the movable side divided body 9B is brought into pressure contact with the divided surface 8 of the fixed side divided body 9A by a pressing means installed on the plate.
このように分割型にすると、線材をニップル孔3aとダイ
ス4aに通す作業が容易になり、また線材を切らずにニッ
プル３等の交換ができ、作業性が著しく向上する利点が
ある。When the split type is used as described above, the work of passing the wire through the nipple hole 3a and the die 4a is facilitated, and the nipple 3 and the like can be replaced without cutting the wire, which has the advantage of significantly improving workability.
［考案が解決しようとする課題］ しかしながら、このような従来の分割型被覆装置では、
次のような問題点があった。[Problems to be Solved by the Invention] However, in such a conventional split type coating apparatus,
There were the following problems.
（イ）分割型の関係でニップル３とダイス４とが共にボ
ディ２にロー付けで固定されているので、ニップル孔3a
やダイス孔4aが損傷したときの修理や、ニップル孔径の
変更等が難しい。(A) Since the nipple 3 and the die 4 are both fixed to the body 2 by brazing in a split type relationship, the nipple hole 3a
It is difficult to repair or change the nipple hole diameter when the or die hole 4a is damaged.
（ロ）ボディ２にニップル３とダイス４とをロー付けで
固定するため、ボディ２とニップル3,ダイス４との間に
隙間が必要となり、このためニップル孔3aとダイス4aと
の同軸度が出し難くなる。(B) Since the nipple 3 and the die 4 are fixed to the body 2 by brazing, a gap is required between the body 2 and the nipple 3 and the die 4, so that the concentricity between the nipple hole 3a and the die 4a is increased. It becomes difficult to put out.
（ハ）ロー付け時の加熱により、ニップル３とダイス４
とが熱変形するおそれがある。また、ローが樹脂流路５
に流れ出し、樹脂流路５を汚したり、樹脂流路５を狭く
したり、詰まらせたりする。(C) Nipple 3 and die 4 due to heating during brazing
And may be thermally deformed. In addition, the rho is the resin flow path 5
To flow into, and to contaminate the resin flow path 5, narrow the resin flow path 5, or clog the resin flow path 5.
（ニ）ボディ２とニップル3,ダイス４との間にローが介
在するので、ボディ２の分割面８からニップル３やダイ
ス４の分割面８が突出したりして、分割面８の相互の密
着がうまくいかず、樹脂漏れが生ずるおそれがある。(D) Since the brazing is interposed between the body 2 and the nipple 3 and the die 4, the dividing surface 8 of the body 2 may protrude from the dividing surface 8 of the body 2 to bring the dividing surfaces 8 into close contact with each other. May not work properly and resin leakage may occur.
本考案の目的は、構成部品の修理や交換を容易に行うこ
とができ、またロー付けを省略できる構造の線材用分割
型被覆装置を提供することにある。SUMMARY OF THE INVENTION An object of the present invention is to provide a split type coating device for a wire rod having a structure in which component parts can be easily repaired or replaced and brazing can be omitted.
［課題を解決するための手段］ 上記の目的を達成するための本考案の構成を説明する
と、本考案はニップル孔に沿って分割されているニップ
ルとダイス孔に沿って分割されているダイスとの間に樹
脂流路が形成され、前記ニップル孔を経て前記ダイス孔
を通り抜ける線材の外周に前記樹脂流路内の樹脂が被覆
される構造の線材用分割型被覆装置において、 前記ニップルの下面には、前記ニップル孔に同軸状に嵌
合凸部が設けられ、前記嵌合凸部の外周面は円形に形成
され、前記嵌合凸部の先端面は平面として形成され、 前記ダイスの上面には、前記ダイス孔に同軸状に嵌合凹
部が設けられ、前記嵌合凹部の内周面は前記嵌合凸部を
嵌合できる大きさで円形に形成され、前記嵌合凹部の底
面は平面として形成され、 前記嵌合凸部の前記先端面が前記嵌合凹部の前記底面に
当接された状態で、前記ニップルは前記ダイスにボルト
締めで連結されていることを特徴とする。[Means for Solving the Problems] The structure of the present invention for achieving the above object will be described. The present invention provides a nipple divided along a nipple hole and a die divided along a die hole. A resin flow channel is formed between the wire rod split type coating device having a structure in which the resin in the resin flow channel is coated on the outer periphery of the wire rod that passes through the die hole through the nipple hole, on the lower surface of the nipple. Is provided with a fitting convex portion coaxially with the nipple hole, the outer peripheral surface of the fitting convex portion is formed in a circular shape, the tip end surface of the fitting convex portion is formed as a flat surface, on the upper surface of the die. Is provided with a fitting recess coaxially with the die hole, an inner peripheral surface of the fitting recess is formed in a circular shape having a size capable of fitting the fitting projection, and a bottom surface of the fitting recess is a flat surface. And the tip surface of the fitting protrusion Is abutted against the bottom surface of the fitting recess, the nipple is bolted to the die.
［作用］ このようにニップルとダイスとを嵌め合せ構造にする
と、ボディを省略できる。また、ニップルとダイスとの
嵌め合せ部分では、ニップルの嵌合凸部の先端面とダイ
スの嵌合凹部の底面とを、ボルト締め力で圧接するの
で、ロー付けしなくても嵌め合せ部分からの樹脂漏れを
防止できる。更に、ロー付けしないので、嵌め合せ部分
の隙間を従来より小さくでき、このためニップル孔とダ
イス孔の同軸度を容易に出すことができると共にニップ
ルとダイスとの各分割面の位置合せ精度も向上し、分割
面からの樹脂漏れも防止できる。更に、ロー付けしない
ので、ローが樹脂流路に流れ出て悪影響が発生するのを
回避できる。[Operation] When the nipple and the die are fitted together as described above, the body can be omitted. Also, at the fitting portion of the nipple and the die, the tip end surface of the fitting convex portion of the nipple and the bottom surface of the fitting concave portion of the die are pressed against each other by the bolt tightening force, so that the fitting portion does not have to be brazed. It is possible to prevent resin leakage. In addition, since no brazing is used, the gap between the fitting parts can be made smaller than before, so that the concentricity of the nipple hole and the die hole can be easily achieved and the alignment accuracy of each split surface between the nipple and the die is also improved. However, it is possible to prevent resin leakage from the split surface. Further, since the brazing is not performed, it is possible to prevent the brazing from flowing out into the resin flow path and causing an adverse effect.
［実施例］ 以下、本考案の実施例を第１図乃至第５図を参照して詳
細に説明する。[Embodiment] Hereinafter, an embodiment of the present invention will be described in detail with reference to FIGS. 1 to 5.
図示のように本実施例の線材用分割型被覆装置では、ボ
ディが省略されてニップル３とダイス４とで構成されて
いる。ニップル３とダイス４とは、ニップル孔3aとダイ
ス孔4aとに沿った分割面８で樹脂供給路７を有する分割
体9Aと、その反対側の分割体9Bとに２分割され、この分
割面８の位置合せが位置決めピン10と図示しない位置決
め孔との嵌合になされるようになっている点は従来通り
である。As shown in the figure, in the split type coating device for a wire according to the present embodiment, the body is omitted and the nipple 3 and the die 4 are used. The nipple 3 and the die 4 are divided into two parts, that is, a divided body 9A having a resin supply passage 7 and a divided body 9B on the opposite side of the divided surface 8 along the nipple hole 3a and the die hole 4a. As in the prior art, the positioning of 8 is made by fitting the positioning pin 10 and a positioning hole (not shown).
本実施例においては、ニップル３の下面にニップル孔3a
に対して同軸状に嵌合凸部3bが設けられ、該嵌合凸部3b
の外周面は円形に形成され、該嵌合凸部3bの先端面3cは
平面として形成されている。In this embodiment, the lower surface of the nipple 3 has a nipple hole 3a.
The fitting projection 3b is provided coaxially with respect to the fitting projection 3b.
The outer peripheral surface of is formed in a circular shape, and the tip end surface 3c of the fitting convex portion 3b is formed as a flat surface.
ダイス４の上面には、ダイス孔4aに対して同軸状に嵌合
凹部4bが設けられ、該嵌合凹部4bの内周面は嵌合凸部3b
を嵌合できる大きさで円形に形成され、該嵌合凹部4bの
底面4cは平面として形成されている。A fitting concave portion 4b is provided on the upper surface of the die 4 coaxially with the die hole 4a, and an inner peripheral surface of the fitting concave portion 4b has a fitting convex portion 3b.
Is formed in a circular shape having a size capable of fitting with each other, and the bottom surface 4c of the fitting recess 4b is formed as a flat surface.
ニップル３の嵌合凸部3bの先端面3cとダイス４の対向部
分との間には樹脂流路５が形成されている。該樹脂流路
５に樹脂を供給する樹脂供給路７が、分割体9A側のダイ
ス４に設けられている。A resin flow path 5 is formed between the tip end surface 3c of the fitting protrusion 3b of the nipple 3 and the facing portion of the die 4. A resin supply passage 7 for supplying resin to the resin passage 5 is provided in the die 4 on the side of the divided body 9A.
ニップル３の嵌合凸部3bの先端面3cがダイス４の嵌合凹
部4bの底面4cに当接された状態で、ニップル３がダイス
４にボルト11締めで連結されている。このボルト11締め
力で、嵌合凸部3bの先端面3cと嵌合凹部4bの底面4cとが
加圧接触されて樹脂漏れが防止されるようになってい
る。The nipple 3 is connected to the die 4 by tightening bolts 11 with the tip surface 3c of the fitting convex portion 3b of the nipple 3 abutting on the bottom surface 4c of the fitting concave portion 4b of the die 4. The tightening force of the bolt 11 pressurizes the tip end surface 3c of the fitting convex portion 3b and the bottom surface 4c of the fitting concave portion 4b to prevent resin leakage.
このように本実施例では、ニップル３の嵌合凸部3bとダ
イス４の嵌合凹部4bとは隙間ばめとなっている。このよ
うに隙間ばめとする関係で、嵌合凸部3bと嵌合凹部4bと
の隙間は０〜８μｍ以内にしている。As described above, in this embodiment, the fitting protrusion 3b of the nipple 3 and the fitting recess 4b of the die 4 form a clearance fit. Due to the clearance fit, the clearance between the fitting protrusion 3b and the fitting recess 4b is within 0 to 8 μm.
このようにすると、ニップル孔3aとダイス孔4aとの同軸
度が出し易くなり、また分割面８からの漏れも樹脂圧が
3kgf/cm2までは生じない。With this configuration, the concentricity between the nipple hole 3a and the die hole 4a can be easily obtained, and the leakage of the resin from the dividing surface 8 can be prevented.
It does not occur up to 3 kgf / cm 2 .
ニップル孔3aとダイス孔4aとの同軸度はニップル３とダ
イス４との嵌め合いと、個々の加工を次のようにするこ
とで精度を出すことができる。即ち、嵌め合い部を基準
にしてニップル３及びダイス４の孔加工をする。また、
ニップル３とダイス４との嵌め合い公差を上記の寸法
（０〜８μｍ）とすることで、ニップル３とダイス４と
の同軸度は20μｍ以内に再現性良く加工できる。The coaxiality between the nipple hole 3a and the die hole 4a can be improved by fitting the nipple 3 and the die 4 and performing the following individual processing. That is, holes are formed in the nipple 3 and the die 4 with reference to the fitting portion. Also,
By setting the fitting tolerance of the nipple 3 and the die 4 to the above-mentioned dimension (0 to 8 μm), the coaxiality between the nipple 3 and the die 4 can be processed with good reproducibility within 20 μm.
このような分割型被覆装置を用いて、線速500m/分，樹
脂加工1.0kgf/cm2で120時間樹脂被覆を行ったが、樹脂
漏れは発生しなかった。また、ニップル３を別のニップ
ル３と交換しても樹脂漏れは発生しなかった。このとき
のニップル３とダイス４との嵌め合い公差は５μｍで、
ニップル３とダイス４との同軸度は15μｍであった。Using such a split type coating device, resin coating was performed for 120 hours at a linear velocity of 500 m / min and resin processing of 1.0 kgf / cm 2 , but no resin leakage occurred. Further, even if the nipple 3 was replaced with another nipple 3, resin leakage did not occur. At this time, the fitting tolerance of the nipple 3 and the die 4 is 5 μm,
The coaxiality between the nipple 3 and the die 4 was 15 μm.
［考案の効果］ 以上説明したように本考案に係る線材用分割型被覆装置
では、ニップルとダイスとを嵌め合せ構造にしているの
で、ボディを省略できる。また、ニップルとダイスとの
嵌め合せ部分では、ニップルの嵌合凸部の先端面とダイ
スの嵌合凹部の底面とを、ボルト締め力で圧接するの
で、ロー付けしなくても嵌め合せ部分からの樹脂漏れを
防止することができる。更に本考案では、ロー付けしな
い構造なので、嵌め合せ部分の隙間を従来より小さくで
き、このためニップル孔とダイス孔の同軸度を容易に出
すことができると共にニップルとダイスとの各分割面の
位置合せ精度も向上し、分割面からの樹脂漏れも防止す
ることができる。かつまた、ロー付けしないので、ロー
が樹脂流路に流れ出て悪影響が発生するのを回避するこ
とができる。[Advantage of the Invention] As described above, in the split type coating apparatus for a wire according to the present invention, since the nipple and the die are fitted together, the body can be omitted. Also, at the fitting portion of the nipple and the die, the tip end surface of the fitting convex portion of the nipple and the bottom surface of the fitting concave portion of the die are pressed against each other by the bolt tightening force, so that the fitting portion does not have to be brazed. It is possible to prevent the resin from leaking. Further, in the present invention, since the structure is not brazed, the gap of the fitting portion can be made smaller than the conventional one, so that the concentricity of the nipple hole and the die hole can be easily obtained and the position of each divided surface of the nipple and the die Alignment accuracy is also improved, and resin leakage from the split surface can be prevented. Moreover, since the brazing is not performed, it is possible to prevent the brazing from flowing out into the resin flow path and causing an adverse effect.
第１図は本考案に係る分割型被覆装置の一実施例におけ
る分割面に対し直交する位置での縦断面図、第２図及び
第３図は本実施例の装置の分割面で分割された片側の分
割体の分割面からみた正面図及び斜視図、第４図及び第
５図は本実施例の装置のニップルとダイスとを分離した
状態での縦断面図及び側面図、第６図は従来の装置の分
割面で分割された一方の分割体を示す斜視図、第７図は
第６図を分割面からみた正面図、第８図は従来の装置の
縦断面図である。 ２…ボディ、３…ニップル、４…ダイス、3a…ニップル
孔、3b…嵌合凸部、3c…先端面、4a…ダイス孔、4b…嵌
合凹部、4c…底面、５…樹脂流路、７…樹脂供給路、８
…分割面、9A,9B…分割体、10…位置決めピン、11…ボ
ルト。FIG. 1 is a vertical cross-sectional view at a position orthogonal to a dividing surface in an embodiment of the dividing type coating apparatus according to the present invention, and FIGS. 2 and 3 are divided along the dividing surface of the apparatus of this embodiment. FIG. 4 is a front view and a perspective view of the divided body on one side as seen from the dividing plane, and FIGS. 4 and 5 are a longitudinal sectional view and a side view in which the nipple and the die of the apparatus of this embodiment are separated, and FIG. FIG. 7 is a perspective view showing one of the divided bodies divided by a division plane of a conventional apparatus, FIG. 7 is a front view of FIG. 6 seen from the division plane, and FIG. 8 is a longitudinal sectional view of the conventional apparatus. 2 ... Body, 3 ... Nipple, 4 ... Die, 3a ... Nipple hole, 3b ... Fitting convex portion, 3c ... Tip surface, 4a ... Die hole, 4b ... Fitting concave portion, 4c ... Bottom surface, 5 ... Resin flow path, 7 ... Resin supply path, 8
… Divided surface, 9A, 9B… Divided body, 10… Positioning pin, 11… Bolt.
Claims (1)
ルとダイス孔に沿って分割されているダイスとの間に樹
脂流路が形成され、前記ニップル孔を経て前記ダイス孔
を通り抜ける線材の外周に前記樹脂流路内の樹脂が被覆
される構造の線材用分割型被覆装置において、 前記ニップルの下面には、前記ニップル孔に同軸状に嵌
合凸部が設けられ、前記嵌合凸部の外周面は円形に形成
され、前記嵌合凸部の先端面は平面として形成され、 前記ダイスの上面には、前記ダイス孔に同軸状に嵌合凹
部が設けられ、前記嵌合凹部の内周面は前記嵌合凸部を
嵌合できる大きさで円形に形成され、前記嵌合凹部の底
面は平面として形成され、 前記嵌合凸部の前記先端面が前記嵌合凹部の前記底面に
当接された状態で、前記ニップルは前記ダイスにボルト
締めで連結されていることを特徴とする線材用分割型被
覆装置。A resin flow path is formed between a nipple divided along a nipple hole and a die divided along a die hole, and an outer circumference of a wire passing through the die hole through the nipple hole. In the wire rod split type coating device having a structure in which the resin in the resin flow path is coated on the lower surface of the nipple, a fitting convex portion is provided coaxially with the nipple hole, and the fitting convex portion An outer peripheral surface is formed in a circular shape, a tip end surface of the fitting convex portion is formed as a flat surface, a fitting concave portion is provided coaxially with the die hole on an upper surface of the die, and an inner circumference of the fitting concave portion is formed. The surface is formed in a circular shape with a size capable of fitting the fitting convex portion, the bottom surface of the fitting concave portion is formed as a flat surface, and the tip end surface of the fitting convex portion contacts the bottom surface of the fitting concave portion. While in contact, the nipple bolts to the die. For wires, characterized in that it is connected in order split coating apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4335590U JPH0746370Y2 (en) | 1990-04-23 | 1990-04-23 | Split coating device for wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4335590U JPH0746370Y2 (en) | 1990-04-23 | 1990-04-23 | Split coating device for wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH045265U JPH045265U (en) | 1992-01-17 |
| JPH0746370Y2 true JPH0746370Y2 (en) | 1995-10-25 |
Family
ID=31555703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4335590U Expired - Fee Related JPH0746370Y2 (en) | 1990-04-23 | 1990-04-23 | Split coating device for wire |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0746370Y2 (en) |
-
1990
- 1990-04-23 JP JP4335590U patent/JPH0746370Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH045265U (en) | 1992-01-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |