JP5052770B2 - Ribbon cable wiring method - Google Patents
Ribbon cable wiring method Download PDFInfo
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- JP5052770B2 JP5052770B2 JP2005223336A JP2005223336A JP5052770B2 JP 5052770 B2 JP5052770 B2 JP 5052770B2 JP 2005223336 A JP2005223336 A JP 2005223336A JP 2005223336 A JP2005223336 A JP 2005223336A JP 5052770 B2 JP5052770 B2 JP 5052770B2
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- 238000000034 method Methods 0.000 title claims description 3
- 238000005452 bending Methods 0.000 claims description 7
- 239000010410 layer Substances 0.000 description 35
- 239000011347 resin Substances 0.000 description 11
- 229920005989 resin Polymers 0.000 description 11
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 239000004814 polyurethane Substances 0.000 description 4
- 229920000915 polyvinyl chloride Polymers 0.000 description 4
- 239000004800 polyvinyl chloride Substances 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 238000007765 extrusion coating Methods 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 230000004927 fusion Effects 0.000 description 2
- 238000007499 fusion processing Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Description
本発明は、チップマウンター等の産業用ロボットにおいて、主として可動部に用いられるリボンケーブルに関する。 The present invention relates to a ribbon cable mainly used for a movable part in an industrial robot such as a chip mounter.
従来、産業用ロボットに使用されるケーブルとしては、ポリ塩化ビニル（以下、ＰＶＣ）またはポリウレタン（以下、ＰＵ）を押出し被覆してなる単層シースのリボンケーブルが用いられていた。
元々、リボンケーブルには、良好な曲げ性（曲げ易さ）と安定な接着性とが要求される。しかし、ＰＶＣ単層シースのリボンケーブルでは、曲げ性には優れているが、接着性に乏しいものが多く、他方ＰＵ単層シースのリボンケーブルでは、上記のことと逆のことが言える。
さらに、リボンケーブルの配線に際しては、３次元的曲げ性も要求されるが、従来のリボンケーブルは長手方向に沿って全ての側面が接着固定されているため、配線に際しては、２次元的にしか曲げることが出来ず、それも多大の配線スペースを要する、という欠点があった。
Conventionally, as a cable used for an industrial robot, a single-layer sheathed ribbon cable formed by extrusion-coating polyvinyl chloride (hereinafter referred to as PVC) or polyurethane (hereinafter referred to as PU) has been used.
Originally, a ribbon cable is required to have good bendability (ease of bending) and stable adhesiveness. However, the PVC single-layer sheath ribbon cable is excellent in bendability but has poor adhesiveness, while the PU single-layer sheath ribbon cable is the opposite of the above.
Furthermore, three-dimensional bendability is also required for ribbon cable wiring, but since conventional ribbon cables are bonded and fixed along the longitudinal direction, only two-dimensional wiring is required. There was a drawback that it could not be bent and it required a lot of wiring space.
したがって、本発明の第一の課題は、優れた接着性と曲げ性とを併せ持つリボンケーブルを提供することにある。
さらに、本発明の第二の課題は、微小スペースでの２次元曲げ性に加えて３次元的曲げ性をも有し、したがって、配線時の省スペース化を実現できるリボンケーブルを提供することにある。
Accordingly, a first object of the present invention is to provide a ribbon cable having both excellent adhesiveness and bendability.
Furthermore, the second object of the present invention is to provide a ribbon cable that has not only two-dimensional bendability in a minute space but also three-dimensional bendability, and thus can realize space saving during wiring. is there.
本発明の第一の課題は、内層シースに外層シースより曲げ硬さの低い樹脂を、外層シースに内層シースより表面接着強度の高い樹脂をそれぞれ配して２重シースケーブルとすることにより達成される。
さらに、本発明の第二の課題は、内層シースが露出してなる高屈曲性ケーブル群がリボンケーブルの長手方向に沿って間歇的に存在させることにより達成される。
The first object of the present invention is achieved by providing a double sheath cable by arranging a resin having a lower bending hardness than the outer layer sheath in the inner layer sheath and a resin having a higher surface adhesive strength than the inner layer sheath in the outer layer sheath. The
Furthermore, the second object of the present invention is achieved by allowing a highly flexible cable group in which the inner sheath is exposed to exist intermittently along the longitudinal direction of the ribbon cable.
本発明によれば、以下のような顕著な効果が奏される。
（１） 内層シースに外層シースより曲げ硬さの低い樹脂を、外層シースに内層シースより表面接着強度の高い樹脂をそれぞれ配した２重シースケーブルがリボン化されているので、優れた接着性と曲げ性とが同時に得られる。
（２） 該内層シースをリボンケーブルの長手方向に沿って間歇的に露出させることにより、該露出部では選択的に高屈曲性ケーブル群が存在することになる。その結果、該露出部の高屈曲性ケーブル群を２次元または３次元的に自在に屈曲させ得るので、配線時の省スペース化が実現される。
According to the present invention, the following remarkable effects are exhibited.
(1) A double sheath cable in which a resin having a lower bending hardness than the outer layer sheath is disposed on the inner layer sheath and a resin having a surface adhesive strength higher than that of the inner layer sheath is formed on the outer layer sheath. Flexibility is obtained at the same time.
(2) By exposing the inner layer sheath intermittently along the longitudinal direction of the ribbon cable, a highly flexible cable group is selectively present at the exposed portion. As a result, the highly flexible cable group at the exposed portion can be bent freely two-dimensionally or three-dimensionally, so that space saving during wiring can be realized.
以下、本発明のリボンケーブルについて、図面を参照しながら説明する。
図１は、本発明に係るリボンケーブルの好ましい一例を示す平面図である。
図２は、図１のＡ−Ａ線に沿う横断面図である。
図３は、図１のＢ−Ｂ線に沿う横断面図である。
図１〜図３において、（１）は２重シースの内層シース、（２）は２重シースの外層シース、（３）は隣接するシース（２）同士の接着部、（４）はシース（１）で被覆されたケーブル線である。
上記リボンケーブルにおいて特徴的なことは、内層シース（１）に外層シース層（２）より曲げ硬さの低い樹脂が、外層シース（２）に内層シース（１）より表面接着強度の高い樹脂がそれぞれ配された２重シースケーブルを構成単位としてリボンケーブルを得、その際、内層シース（１）の露出部がリボンケーブルの長手方向に沿って間歇的に存在していることに在る。
これにより、外層シース（２）同士は表面接着強度が強く、また内層シース（１）露出部は曲げ硬さが低い、という両特性を併せ持ったリボンケーブルとすることができる。また、内層シースの露出部では、各ケーブル（４）が接着フリー状態にあるので、微小スペース下でも２次元または３次元的屈曲配線が自在となる。
Hereinafter, the ribbon cable of the present invention will be described with reference to the drawings.
FIG. 1 is a plan view showing a preferred example of a ribbon cable according to the present invention.
FIG. 2 is a cross-sectional view taken along line AA in FIG.
3 is a cross-sectional view taken along line BB in FIG.
1 to 3, (1) is an inner layer sheath of a double sheath, (2) is an outer layer sheath of a double sheath, (3) is an adhesion portion between adjacent sheaths (2), and (4) is a sheath ( It is a cable wire covered with 1).
What is characteristic about the ribbon cable is that the inner layer sheath (1) is made of resin having a lower bending hardness than the outer layer sheath layer (2), and the outer layer sheath (2) is made of resin having higher surface adhesion strength than the inner layer sheath (1). Ribbon cables are obtained using the double sheath cables arranged as constituent units, and the exposed portions of the inner layer sheath (1) are intermittently present along the longitudinal direction of the ribbon cables.
As a result, a ribbon cable having both the characteristics that the outer layer sheaths (2) have high surface adhesive strength and the inner layer sheath (1) exposed portion has low bending hardness can be obtained. In addition, since each cable (4) is in an adhesive-free state at the exposed portion of the inner layer sheath, two-dimensional or three-dimensional bent wiring can be freely performed even in a minute space.
ここで、２重シースの内層シース（１）を構成する材料としては、ＰＶＣが好ましいが、押出し被覆に適した樹脂の中で外層シースより曲げ硬さの低い樹脂を適宜使用すればよい。また、２重シースの外層シース（２）を構成する材料としては、ＰＵが好ましいが、押出し被覆に適した樹脂の中で内層シースより表面接着強度の強い樹脂である限り、特に制約されることはない。また、ケーブル線（４）としては、導体に絶縁体を押出し被覆してなる電線の撚り線、該撚り線にさらにテープ巻きやシールドを施したもの、あるいは光ファイバ束等、用途に応じて適宜採用される。
このような２重シースケーブルは並列状態で、長手方向に沿って接着されてリボン化される。接着手段としては、接着剤を使用した接着、熱融着、溶剤による溶着等、使用する外層シースの樹脂に合わせて表面接着強度が強くできる手段を適宜採用すればよい。押出し設備の新設が可能な場合、内層シース（１）を有するケーブル群を並列状態で一挙に外層シース（２）を押出し被覆してもよい。
本発明のリボンケーブルは、現実には、図１〜図３に示すように、内層シース（１）の露出部をリボンケーブルの長手方向に沿って間歇的に存在させるような構造として配線される。通常、この露出部を得るにはシース（２）をリボンケーブルの長手方向に沿って間歇的に剥ぎ取ればよい。剥ぎ取り作業自体は、請求項１に記載したリボンケーブルの製造時あるいは配線時に行ってもよい。
Here, PVC is preferable as a material constituting the inner sheath (1) of the double sheath, but a resin having a lower bending hardness than the outer sheath may be used as appropriate among resins suitable for extrusion coating. Moreover, as a material constituting the outer sheath (2) of the double sheath, PU is preferable, but it is particularly limited as long as it is a resin suitable for extrusion coating and has a higher surface adhesive strength than the inner sheath. There is no. Also, the cable wire (4) may be appropriately selected according to the use, such as a stranded wire of an electric wire obtained by extruding and covering an insulator on a conductor, a tape wound or shielded on the stranded wire, or an optical fiber bundle. Adopted.
Such a double sheath cable is bonded in the longitudinal direction in a parallel state to form a ribbon. As a bonding means, a means capable of increasing the surface adhesive strength in accordance with the resin of the outer layer sheath to be used, such as bonding using an adhesive, thermal fusion, welding with a solvent, or the like may be adopted as appropriate. When a new extrusion facility can be installed, the outer layer sheath (2) may be extruded and coated all at once in a parallel state with a group of cables having the inner layer sheath (1).
The ribbon cable of the present invention is actually wired as a structure in which the exposed portion of the inner layer sheath (1) is intermittently present along the longitudinal direction of the ribbon cable, as shown in FIGS. . Usually, in order to obtain this exposed portion, the sheath (2) may be intermittently peeled along the longitudinal direction of the ribbon cable. The stripping operation itself may be performed at the time of manufacturing or wiring the ribbon cable according to
次に、図１に示したリボンケーブルの製造方法の一例について述べる。
まず、リボンケーブルの使用用途に応じたケーブル線（４）を用意し、その外周に内層シース（１）を押出し被覆する。続いて、その外周に外層シース（２）を押出し被覆し、２重シースケーブルを作成する。次に、得られた２重シースケーブルの複数本を並列状態に揃えてから、長手方向に沿って隣接するシース（２）同士を接着加工する。この接着手段としては、融着加工が好ましく、その一態様を以下に挙げる。
まず、２重シースケーブルを２本並べて、該ケーブルの隣り合うシース（２）の表面同士を融着させる部分に、該シース（２）を構成する樹脂の溶融温度以上の温風を吹き付けて表面を溶融させる。つぎに、溶融させた表面と反対側の側面から外力を加えて２本の２重シースケーブル同士の溶融面を押し付けて張り合わせる。最後に、室温にて冷却して融着ケーブルを得る。つづいて、該融着ケーブルと新たに用意した１本の２重シースケーブルを並べ、同様にして融着加工を行う。これを必要本数に達するまで繰り返し行い、リボンケーブルとする。
得られたリボンケーブルに、長手方向に沿って内層シース（１）の露出部を間歇的に存在させる態様について、以下にその一例を挙げる。
まず、内層シース（１）を露出させる部分の両端の外層シース（２）のみに、径方向の切込みを1周回に亘って入れ、さらに該切込みの間の長手方向にも外層シース（２）のみに切込みを入れ、最後に該切込みを入れた外層シースのみを剥ぎ取って、図１に示すようなリボンケーブルを得る。切込みを入れる手段としては、カッターやレーザー加工機などによる切断手段が挙げられる。このような切込み具は、ケーブルの外径、肉厚、および剥ぎ取る長さ等に応じて、適宜選択すればよい。
Next, an example of a method for manufacturing the ribbon cable shown in FIG. 1 will be described.
First, a cable wire (4) corresponding to the intended use of the ribbon cable is prepared, and the inner layer sheath (1) is extruded and coated on the outer periphery thereof. Subsequently, an outer layer sheath (2) is extruded and coated on the outer periphery to produce a double sheath cable. Next, after aligning a plurality of the obtained double sheath cables in a parallel state, the sheaths (2) adjacent in the longitudinal direction are bonded together. As the bonding means, fusion processing is preferable, and one aspect thereof is listed below.
First, two double sheath cables are arranged side by side, and the surface where the surfaces of adjacent sheaths (2) of the cables are fused to each other is blown with hot air having a temperature equal to or higher than the melting temperature of the resin constituting the sheath (2). To melt. Next, an external force is applied from the side opposite to the melted surface, and the melted surfaces of the two double sheath cables are pressed and bonded together. Finally, it is cooled at room temperature to obtain a fused cable. Subsequently, the fusion cable and one newly prepared double sheath cable are arranged, and the fusion process is performed in the same manner. This is repeated until the required number is reached to obtain a ribbon cable.
An example of an embodiment in which the exposed portion of the inner layer sheath (1) is intermittently present in the obtained ribbon cable along the longitudinal direction will be described below.
First, only the outer layer sheath (2) at both ends of the portion where the inner layer sheath (1) is exposed is cut in a radial cut over one turn, and only the outer layer sheath (2) is also disposed in the longitudinal direction between the cuts. A notch is cut into the outermost layer, and only the outer layer sheath into which the notch is finally cut off is peeled off to obtain a ribbon cable as shown in FIG. Examples of means for cutting include cutting means using a cutter or a laser processing machine. Such a cutting tool may be appropriately selected according to the outer diameter, thickness, and stripping length of the cable.
本発明のリボンケーブルは、チップマウンター等の産業用ロボットにおける可動部の微小空間にも容易に配線されるが、同様に、微小空間での配線が要求される機具にも有効に適用される。 The ribbon cable of the present invention is easily wired in a micro space of a movable part in an industrial robot such as a chip mounter, but is also effectively applied to a device that requires wiring in a micro space.
１ ２重シースの内層シース
２ ２重シースの外層シース
３ 外層シース同士の接着部
４ ケーブル線
DESCRIPTION OF
Claims (1)
ａ．各ケーブルは２重シースケーブルであること、
ｂ．該２重シースケーブル群は並列状態で、隣接する外層のシースを介して接着加工されていること、
ｃ．該２重シースケーブルの内層のシースは外層のシースに比べて曲げ硬さが低く他方、外層のシースは内層のシースに比べて表面接着強度が高いこと。
When wiring a ribbon cable, which is composed of a group of cables in parallel with each other and has the following requirements a to c, the sheath of the outer layer is peeled off at a desired location along the longitudinal direction of the ribbon cable. A ribbon cable wiring method, wherein an inner layer sheath is exposed, and a highly flexible cable group at the exposed portion is bent two-dimensionally or three-dimensionally.
a. Each cable is a double sheath cable,
b. The double-sheathed cable group is bonded in parallel through an adjacent outer sheath,
c. The inner sheath of the double sheath cable has a lower bending hardness than the outer sheath, while the outer sheath has a higher surface adhesion strength than the inner sheath .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005223336A JP5052770B2 (en) | 2005-08-01 | 2005-08-01 | Ribbon cable wiring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005223336A JP5052770B2 (en) | 2005-08-01 | 2005-08-01 | Ribbon cable wiring method |
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| Publication Number | Publication Date |
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| JP2007042343A JP2007042343A (en) | 2007-02-15 |
| JP5052770B2 true JP5052770B2 (en) | 2012-10-17 |
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| JP2005223336A Active JP5052770B2 (en) | 2005-08-01 | 2005-08-01 | Ribbon cable wiring method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62229717A (en) * | 1986-03-31 | 1987-10-08 | 日立電線株式会社 | Insulated wire |
| JPS62186309U (en) * | 1986-05-16 | 1987-11-27 | ||
| JPH1069821A (en) * | 1996-08-29 | 1998-03-10 | Sumitomo Wiring Syst Ltd | Wire harness and its manufacture |
| JP2002237218A (en) * | 2001-02-08 | 2002-08-23 | Yazaki Corp | Welding electric wire for harness and its manufacturing method |
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