WO2017077844A1 - Resin sheet for wire harness and method for manufacturing resin sheet - Google Patents
Resin sheet for wire harness and method for manufacturing resin sheet Download PDFInfo
- Publication number
- WO2017077844A1 WO2017077844A1 PCT/JP2016/080662 JP2016080662W WO2017077844A1 WO 2017077844 A1 WO2017077844 A1 WO 2017077844A1 JP 2016080662 W JP2016080662 W JP 2016080662W WO 2017077844 A1 WO2017077844 A1 WO 2017077844A1
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- WIPO (PCT)
- Prior art keywords
- resin sheet
- wire harness
- width direction
- coil
- wire
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/012—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing wire harnesses
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
Definitions
- the present invention relates to a resin sheet for a wire harness and a method of manufacturing the resin sheet, and more particularly to a resin sheet which can be wound around a wire harness to be laid in a vehicle to bind and protect electric wire groups and to regulate a path.
- a resin sheet having a required length can be easily obtained.
- a coil-wound adhesive resin tape is often unwound from the coil and spirally wound around the wire group.
- half wrap is often carried out so that no gap is generated between the resin tapes to be wrapped. The quality may vary depending on the skill level of the worker, and a gap may be generated between the wound resin tapes.
- a plurality of electric wires constituting the wire harness are wound in a sushi roll with a sheet made of a resin sheet, and then a resin tape is used to maintain the winding posture. It is often spirally wound. Moreover, it may replace with a resin sheet and the electric wire group of a wire harness may be penetrated to a resin tube.
- the wire harness When a resin tube is used, the wire harness needs to be penetrated from one end to the other end in the longitudinal direction, and can not penetrate into the resin tube in a state where the connector is attached to the tip of the wire harness. Therefore, after passing the wire group of the wire harness through the resin tube, it is necessary to connect the connector to the wire group drawn out from the tip of the resin tube, which causes a problem of an increase in the number of operations. If a resin sheet is used instead of the resin tube, there is an advantage that the resin sheet can be wound around the wire harness while the connector is connected to the end of the wire harness.
- the resin sheet to be wound around the wire harness is usually manufactured and stored as a fixed-length part having a length required to be wound around the wire harness, and when the lengths of the resin sheet to be wound around the wire harness are different, it becomes another part. As a result, the number of parts is increased, parts management and parts preparation are troublesome, and there are a lot of similar parts, so installation errors are likely to occur.
- the resin sheet for the wire harness has a relatively large thickness of 0.05 to 1.0 mm in order to enhance the protective function, it is difficult to conform to the outer periphery of the wire harness having a substantially circular cross section.
- a gap may be generated between the outer peripheral surface and the resin sheet, and the gap may cause the external interference material to hit the wire harness.
- the present invention has been made in view of the above problems, and there is no need to provide a resin sheet as a separate part according to the length necessary for winding around a wire harness, and a resin sheet of a required length can be easily obtained.
- An object of the present invention is to provide a resin sheet for a wire harness which can be used easily and which is easy to conform to the outer peripheral surface of the wire harness when wound on the wire harness.
- the present invention is a resin sheet which has flexibility which winds in the shape of a sushi roll around the perimeter face of a wire harness, binds and protects the electric wire group of a wire harness, With a thickness of 0.4 to 1.0 mm, the widthwise dimension is constant and the widthwise direction is curved like an arc, and the length direction orthogonal to the widthwise direction is continuously wound around the core
- a wire harness which is a coil, is drawn out from the coil by a dimension corresponding to a winding length of the wire harness, and is provided with an adhesive application part on at least one widthwise side of one surface.
- the adhesive application portion is provided at both ends in the width direction, and Preferably, the resin sheet is provided with a V-shaped or slit-shaped cutting slit at one or both ends in the width direction at intervals in the length direction.
- the resin sheet to be sushi-rolled in the conventional wire harness is a fixed-sized part corresponding to the winding length, and if the lengths are different, it is managed as a separate part, so the number of parts is increased.
- the resin sheet of the present invention is not a fixed part but a continuous coil, and the required length is drawn from the coil and cut for use, the resin sheet is one part consisting of one coil. You can As a result, compared to the conventional case, the number of parts can be significantly reduced, the parts management can be facilitated, the mistake of parts can be prevented, and the usability can be improved.
- the resin sheet of the present invention has an arc shape in the width direction, which is different from the conventional resin sheet in the width direction and the length direction.
- the width direction is arced in advance, so the wire group of the wire harness And easy to be held in a sushi roll state. Therefore, the work of sticking the resin sheet to the wire group of the wire harness with the adhesive on one end inner surface in the width direction of the resin sheet and the work of sticking the resin sheet on the outer surface of the first winding with the adhesive on the other end inner surface in the width direction It can be carried out easily and reliably, and the winding workability of the resin sheet can be enhanced.
- V-shaped or slit-shaped cutting slit at one end or both ends in the width direction of the resin sheet at intervals in the length direction.
- the worker can easily cut the cutting slit as a separation start point when the resin sheet is cut to a required length.
- the resin sheet of the present invention is made of a vinyl chloride resin, and the adhesive coated portion is provided at the cutting cuts provided at both ends in the width direction of the inner surface of the resin sheet, and a release paper is attached beforehand to the adhesive coated portion. It is preferable to separate the release paper in a wound state when sushi-rolling around the wire group of the wire harness.
- a wire harness in which a wire group is sushi-wound with the resin sheet.
- a method of manufacturing a resin sheet for the wire harness is provided. That is, a resin sheet having a curved width direction is continuously obtained, A cutting slit is formed at the end of the resin sheet in the width direction with a cutting machine, After providing the cutting slit, apply an adhesive to the end in the width direction, Then, the manufacturing method of the resin sheet for wire harnesses which wound the above-mentioned resin sheet around the above-mentioned winding core and is used as a coil is provided.
- the resin sheet curved in an arc shape in the width direction is formed by inserting a slit along the axial direction in a resin tube molded by a continuous extrusion molding machine, Alternatively, a resin sheet curved in an arc shape in the width direction is formed by a continuous extrusion molding machine.
- the resin tube when the resin tube is cut in the axial direction and bent to form a resin sheet, the resin tube can be made into an annular shape reliably wound around the outer peripheral surface of the wire group of the wire harness, and the wire is wound around the wire group Workability can be further enhanced.
- the resin sheet for the wire harness according to the present invention is wound around a core to form a coil, it can be pulled out from the coil for a necessary length and used, as in the case of a commonly used resin tape. There is no need to provide a large number of resin sheets, which is a part, the number of parts can be significantly reduced, parts management can be facilitated, mistaking of parts can be prevented, and usability can be improved.
- the resin sheet drawn out from the coil has an arc shape in the width direction, when the resin sheet is wound in a sushi-roll shape around the wire harness having a substantially circular cross section, as compared with the case where a flat resin sheet is wound, It is easy to conform to the outer circumference of the wire group and easily held in a sushi roll state.
- the work of sticking the resin sheet to the wire group of the wire harness with the adhesive on one end inner surface in the width direction of the resin sheet and the work of sticking the resin sheet on the outer surface of the first winding with the adhesive on the other end inner surface in the width direction It can be carried out easily and reliably, and the winding workability of the resin sheet can be enhanced.
- a resin sheet having a curved width direction can be easily manufactured.
- the coil which wound the resin sheet of embodiment of this invention is shown, (A) is a perspective view of a coil, (B) is a side view in the state where a resin sheet is pulled out from a coil, (C) is C of (B). It is a -C line cross section. (A) is an enlarged perspective view of the resin sheet pulled out from the coil, (B) is a bottom view of a state in which the resin sheet of (A) is expanded in a flat plate shape. It is sectional drawing of the winding core of a coil. It is a perspective view of the state which carried out the sushi winding of the said resin sheet to the electric wire group of a wire harness.
- (A) (B) (C) is drawing which shows the procedure which carries out the sushi roll around the electric wire group of a wire harness.
- (A) to (D) are drawings showing a manufacturing process of a coil wound with the resin sheet.
- (A) to (D) are drawings showing modifications.
- the resin sheet 1 of the embodiment shown in FIGS. 1 to 6 is, as shown in FIG. 4 and FIG. It is a resin sheet which wraps around and adheres in a wound shape, and performs binding protection and route control of the electric wire 21 of the wire harness 20.
- the resin sheet 1 is made of vinyl chloride, has a thickness t of 0.4 to 1.0 mm (in the present embodiment, a thickness of 0.4 mm), and is flexible.
- the dimension in the width direction Y is constant, and the central portion 1a in the width direction is curved in an arc shape projecting outward.
- the dimension in the width direction Y is longer than the outer peripheral length of the wire harness 20 around which the resin sheet 1 is wound, and has a lap margin in which the inner peripheral surface of the back wound portion overlaps the outer peripheral surface of the first wound portion.
- a length direction X orthogonal to the width direction is continuous, and wound around a core 8 to be a coil 10.
- the dimension in the length direction X of the resin sheet 1 needs to be a predetermined length for the convergence protection of the wire harness 20 and the path regulation, but the dimension in the width direction Y of the resin sheet 1 is resin for the wire harness 20 As long as the sheet 1 can be sushi-rolled for one or more turns, and more winding is acceptable, the widthwise dimension can be shared.
- the resin sheet 1 is continuously wound around a winding core 8 shown in FIG.
- the winding core 8 has an annular shape, and is shaped so as to protrude outward in an arc toward the center 8 a from both sides in the width direction Y.
- the arc of the winding core 8 is the same arc as the width direction Y of the resin sheet 1, and the resin sheet 1 is wound around the winding core 8 to make the width direction into an arc shape.
- adhesive application parts 3A and 3B of a required width are provided along the both end inner surfaces of width direction Y which become inner skin in the coil winding state of resin sheet 1, and is 1S.
- the reason for not applying the adhesive on the entire surface 1S of the resin sheet 1 is that the adhesive was applied to the entire surface when reworked due to the occurrence of wrinkles or the like in a wound state around the outer peripheral surface of the wire harness. When it adheres to the wire group of a wire harness, it is because rework can not be performed easily.
- cutting slits 4A and 4B formed of V-shaped grooves are provided at intervals in the length direction X at portions where the adhesive coated portions 3A and 3B are provided on both sides in the width direction of the resin sheet 1.
- a short slit may be provided to be a narrow groove.
- the resin sheet 1 of the present invention is a coil 10 similar to a commonly used resin tape, and when a plurality of electric wires of the wire harness 20 are converged and sushi-wound, the coil 10 has a winding length. The required length is unwound and drawn out, and the cutting cuts 4A and 4B are used as a fulcrum and cut.
- the work of exterior protecting the wire group of the wire harness with the resin sheet 1 is as follows: after pulling out the resin sheet 1 from the coil 10 and cutting it at a required length, it becomes a resin sheet 1-1 of a fixed length for winding, As shown in FIG. 5 (B), as shown in FIG. 5 (B), an adhesive is applied to one end of the width direction Y as an inner surface for bringing the one surface 1S of the resin sheet 1 into contact with the outer peripheral surface of the wire 21.
- the portion 3A is pressed against the outer surface of the wire 21 of the wire harness and adhered, and the resin sheet 1-1 is sushi-rolled around the wire harness 20.
- the other end in the width direction Y of the resin sheet 1-1 to be sushi-rolled is wrapped on the outer peripheral surface on the one end side which is pre-wound, and the adhesive application portion 3B is pressed and adhered as shown in FIG. 5 (C).
- the resin sheet 1 of the present invention is the coil 10 wound around the core 8
- the resin sheet 1 of the present invention can be pulled out from the coil according to the required length, similarly to the conventionally wound coiled resin tape. It can be cut to the required length. Therefore, there is no need to provide a resin sheet of a fixed size corresponding to the winding length, the number of parts can be greatly reduced, parts management can be facilitated, mistaking of parts can be prevented, and usability can be improved.
- the resin sheet 1 of the present invention has an arc shape in the width direction Y, the resin sheet 1-1 cut into a required length on the outer periphery of the wire harness 20 which converges the plurality of electric wires 21 to make the cross section substantially circular.
- the resin sheet 1-1 cut into a required length on the outer periphery of the wire harness 20 which converges the plurality of electric wires 21 to make the cross section substantially circular.
- the annular resin tube 30 is continuously extruded.
- one slit 31 is inserted in the axial direction by the cutting machine to cut the continuously extruded resin tube 30, and the resin sheet 1 is expanded starting from the slit 31.
- the material of Next as shown in FIG. 6C, the sheet is continuously conveyed in the length direction X while maintaining a state in which both ends divided by the slits 31 are substantially planarly expanded as both ends in the width direction Y. Insert cutting cuts 4A and 4B with a cutter at both ends.
- FIG. 6A the annular resin tube 30 is continuously extruded.
- the resin sheet 1 which is curved in an arc shape in the width direction and continuously in the length direction can be easily obtained, and the resin sheet 1 is wound around the curved core 8 to form a coil. Thereby, it is possible to provide the coil 10 of the resin sheet 1 that is made into a circular arc shape.
- the coil 10 in which the arc angle in the width direction of the resin sheet 1 is changed can be easily obtained.
- the resin sheet made into a coil of the present invention is continuously extruded by bending a resin sheet curved with a required curvature in the width direction. You may provide.
- the resin sheet continuously extruded in an arc shape may be a coil in the same procedure as that of FIG. 6 (C) or later.
- the adhesive application part 3 is provided at one end in the width direction of one surface of the resin sheet, and the adhesive application part is positioned at the winding end. , And may hold the sushi roll state on the wire harness.
- you may provide the adhesive application part 3 in the whole surface of a resin sheet.
- a narrow double-sided adhesive tape 13 may be adhered to both sides in the width direction of the resin sheet 1.
- slits 4S serving as cutting cuts may be provided at intervals in the length direction only at one end side in the width direction of the resin sheet.
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Abstract
The purpose of the present invention is to improve a resin sheet to be wrapped around a wire harness. A flexible resin sheet for binding and protecting a group of electric wires in a wire harness by being wrapped around the outer periphery of the wire harness, wherein the resin sheet: is 0.4-1.0 mm thick and has a fixed width; is curved in an arc shape in the width direction; is formed into a coil by being continuously wound around a winding core along a length direction which is orthogonal to the width direction, whereby the resin sheet is pulled out from the coil and cut in a length necessary for wrapping around the wire harness; and has an adhesive-coated part at least on one widthwise end part of one surface.
Description
本発明はワイヤハーネス用の樹脂シートおよび該樹脂シートの製造方法に関し、詳しくは、車両に配索するワイヤハーネスに巻き付けて電線群の結束および保護、さらに経路規制を図ることができる樹脂シートに関し、特に、所要長さの樹脂シートを簡単に得られるようにするものである。
The present invention relates to a resin sheet for a wire harness and a method of manufacturing the resin sheet, and more particularly to a resin sheet which can be wound around a wire harness to be laid in a vehicle to bind and protect electric wire groups and to regulate a path. In particular, a resin sheet having a required length can be easily obtained.
従来、自動車等の車両に配索するワイヤハーネスの電線群を結束するものとして、コイル巻きした粘着樹脂テープを該コイルから巻き出して電線群に螺旋巻きしている場合が多い。結束する電線群を外部干渉材から保護する必要がある領域や経路規制する必要がある領域では、巻き付ける樹脂テープの間に隙間が発生しないようにハーフラップ巻きする場合が多いが、ハーフラップ巻きは作業員の熟練度により品質にバラツキが発生し、かつ、巻き付けた樹脂テープの間に隙間が発生する恐れもある。
Conventionally, as a unit for bundling a wire group of a wire harness wired to a vehicle such as a car, a coil-wound adhesive resin tape is often unwound from the coil and spirally wound around the wire group. In the area where it is necessary to protect the electric wire group to be bound from the external interference material and the area where it is necessary to restrict the route, half wrap is often carried out so that no gap is generated between the resin tapes to be wrapped. The quality may vary depending on the skill level of the worker, and a gap may be generated between the wound resin tapes.
隙間があると外部干渉材が隙間よりワイヤハーネスに当たってワイヤハーネスに損傷を与える恐れがある。よって、特開平７－１０５７５６号公報に開示しているように、ワイヤハーネスを構成する複数の電線を樹脂シートからなるシートで寿司巻き状に巻き付け、その後、巻き付け姿勢を保持するために樹脂テープを螺旋巻きしている場合が多い。また、樹脂シートに代えて、樹脂チューブにワイヤハーネスの電線群を挿通する場合もある。
If there is a gap, the external interference material may hit the wire harness from the gap and damage the wire harness. Therefore, as disclosed in Japanese Patent Application Laid-Open No. 7-105756, a plurality of electric wires constituting the wire harness are wound in a sushi roll with a sheet made of a resin sheet, and then a resin tape is used to maintain the winding posture. It is often spirally wound. Moreover, it may replace with a resin sheet and the electric wire group of a wire harness may be penetrated to a resin tube.
樹脂チューブを用いると、長さ方向の一端から他端へとワイヤハーネスを貫通させる必要があり、ワイヤハーネスの先端にコネクタを取り付けた状態では樹脂チューブ内に貫通できない。よって、ワイヤハーネスの電線群を樹脂チューブに先通しした後に、樹脂チューブの先端から引き出した電線群にコネクタを接続する必要があり、作業手数がかかる問題がある。
樹脂チューブに代えて樹脂シートを用いると、ワイヤハーネスの端末にコネクタを接続した状態で樹脂シートをワイヤハーネスに巻き付けることができる利点がある。 When a resin tube is used, the wire harness needs to be penetrated from one end to the other end in the longitudinal direction, and can not penetrate into the resin tube in a state where the connector is attached to the tip of the wire harness. Therefore, after passing the wire group of the wire harness through the resin tube, it is necessary to connect the connector to the wire group drawn out from the tip of the resin tube, which causes a problem of an increase in the number of operations.
If a resin sheet is used instead of the resin tube, there is an advantage that the resin sheet can be wound around the wire harness while the connector is connected to the end of the wire harness.
樹脂チューブに代えて樹脂シートを用いると、ワイヤハーネスの端末にコネクタを接続した状態で樹脂シートをワイヤハーネスに巻き付けることができる利点がある。 When a resin tube is used, the wire harness needs to be penetrated from one end to the other end in the longitudinal direction, and can not penetrate into the resin tube in a state where the connector is attached to the tip of the wire harness. Therefore, after passing the wire group of the wire harness through the resin tube, it is necessary to connect the connector to the wire group drawn out from the tip of the resin tube, which causes a problem of an increase in the number of operations.
If a resin sheet is used instead of the resin tube, there is an advantage that the resin sheet can be wound around the wire harness while the connector is connected to the end of the wire harness.
ワイヤハーネスに巻き付ける樹脂シートは、通常、ワイヤハーネスに巻き付けるに必要な長さの定尺部品として製造保管されており、ワイヤハーネスに巻き付ける樹脂シートの長さが相違すると別部品となる。よって、部品点数が増加し、部品管理、部品段取りに手数がかかると共に、類似部品が多いため取り付け間違いが発生しやすい。
The resin sheet to be wound around the wire harness is usually manufactured and stored as a fixed-length part having a length required to be wound around the wire harness, and when the lengths of the resin sheet to be wound around the wire harness are different, it becomes another part. As a result, the number of parts is increased, parts management and parts preparation are troublesome, and there are a lot of similar parts, so installation errors are likely to occur.
さらに、ワイヤハーネス用の樹脂シートは保護機能を高めるため、厚さを０．０５～１．０ｍｍと比較的厚くしているため、断面略円形のワイヤハーネスの外周に添わせにくく、ワイヤハーネスの外周面と樹脂シートの間に隙間が発生し、該隙間により外部干渉材がワイヤハーネスに当たる恐れもある。
Furthermore, since the resin sheet for the wire harness has a relatively large thickness of 0.05 to 1.0 mm in order to enhance the protective function, it is difficult to conform to the outer periphery of the wire harness having a substantially circular cross section. A gap may be generated between the outer peripheral surface and the resin sheet, and the gap may cause the external interference material to hit the wire harness.
本発明は前記問題に鑑みてなされたものであり、ワイヤハーネスへの巻き付けに必要な長さに応じた別部品として樹脂シートを設ける必要がなく、簡単に所要長さの樹脂シートを得ることができ、かつ、ワイヤハーネスへの巻付時にワイヤハーネスの外周面に添わせやすく、使い勝手がよいワイヤハーネス用の樹脂シートを提供することを課題としている。
The present invention has been made in view of the above problems, and there is no need to provide a resin sheet as a separate part according to the length necessary for winding around a wire harness, and a resin sheet of a required length can be easily obtained. An object of the present invention is to provide a resin sheet for a wire harness which can be used easily and which is easy to conform to the outer peripheral surface of the wire harness when wound on the wire harness.
前記課題を解決するため、本発明は、ワイヤハーネスの外周面に寿司巻き状に巻き付けてワイヤハーネスの電線群を結束保護する可撓性を有する樹脂シートであり、
厚さ０．４～１．０ｍｍで、幅方向寸法が一定であると共に該幅方向が円弧状に湾曲されており、該幅方向と直交する長さ方向が連続して巻芯に巻き付けられてコイルとされ、該コイルよりワイヤハーネスの巻き付け長さに対応する寸法で引き出されて分離され、かつ、一面の少なくとも幅方向の一端側に粘着剤塗布部を備えていることを特徴とするワイヤハーネス用の樹脂シートを提供している。 In order to solve the above-mentioned subject, the present invention is a resin sheet which has flexibility which winds in the shape of a sushi roll around the perimeter face of a wire harness, binds and protects the electric wire group of a wire harness,
With a thickness of 0.4 to 1.0 mm, the widthwise dimension is constant and the widthwise direction is curved like an arc, and the length direction orthogonal to the widthwise direction is continuously wound around the core A wire harness which is a coil, is drawn out from the coil by a dimension corresponding to a winding length of the wire harness, and is provided with an adhesive application part on at least one widthwise side of one surface. Provides resin sheets for
厚さ０．４～１．０ｍｍで、幅方向寸法が一定であると共に該幅方向が円弧状に湾曲されており、該幅方向と直交する長さ方向が連続して巻芯に巻き付けられてコイルとされ、該コイルよりワイヤハーネスの巻き付け長さに対応する寸法で引き出されて分離され、かつ、一面の少なくとも幅方向の一端側に粘着剤塗布部を備えていることを特徴とするワイヤハーネス用の樹脂シートを提供している。 In order to solve the above-mentioned subject, the present invention is a resin sheet which has flexibility which winds in the shape of a sushi roll around the perimeter face of a wire harness, binds and protects the electric wire group of a wire harness,
With a thickness of 0.4 to 1.0 mm, the widthwise dimension is constant and the widthwise direction is curved like an arc, and the length direction orthogonal to the widthwise direction is continuously wound around the core A wire harness which is a coil, is drawn out from the coil by a dimension corresponding to a winding length of the wire harness, and is provided with an adhesive application part on at least one widthwise side of one surface. Provides resin sheets for
前記粘着剤塗布部は幅方向の両端に備え、かつ、
該樹脂シートの幅方向の一端または両端に長さ方向に間隔をあけてけＶ字状またはスリット状の切断用切れ目を備えていることが好ましい。 The adhesive application portion is provided at both ends in the width direction, and
Preferably, the resin sheet is provided with a V-shaped or slit-shaped cutting slit at one or both ends in the width direction at intervals in the length direction.
該樹脂シートの幅方向の一端または両端に長さ方向に間隔をあけてけＶ字状またはスリット状の切断用切れ目を備えていることが好ましい。 The adhesive application portion is provided at both ends in the width direction, and
Preferably, the resin sheet is provided with a V-shaped or slit-shaped cutting slit at one or both ends in the width direction at intervals in the length direction.
前記のように、本発明では、巻芯（所謂、紙巻管）に巻き付けてコイルとしている従来の樹脂テープと同様に、樹脂シートをコイルとして巻回した連続部品とし、該コイルから必要長さ分だけ引き出して切断して所要長さに出来るものとし、樹脂シートの部品点数を大幅に削減している。
即ち、従来のワイヤハーネスに寿司巻きする樹脂シートは、巻付長さに対応する定尺部品とされ、長さが相違すると別部品として管理されているため、部品点数が増大している。これに対して、本発明の樹脂シートは定尺部品とせず、連続したコイルとし、コイルより必要長さ分を引き出して切断して用いるものとしているため、樹脂シートを１つのコイルからなる１部品にできる。その結果、従来と比較して、部品点数を大幅に削減でき、部品管理を容易にすると共に部品の取り間違いを防ぎ、使い勝手を良くすることができる。 As described above, in the present invention, as in the case of a conventional resin tape wound around a core (so-called paper tube) to form a coil, a resin sheet is wound as a coil to form a continuous part, and the necessary length from the coil Only by pulling out and cutting to the required length, the number of parts of the resin sheet is significantly reduced.
That is, the resin sheet to be sushi-rolled in the conventional wire harness is a fixed-sized part corresponding to the winding length, and if the lengths are different, it is managed as a separate part, so the number of parts is increased. On the other hand, since the resin sheet of the present invention is not a fixed part but a continuous coil, and the required length is drawn from the coil and cut for use, the resin sheet is one part consisting of one coil. You can As a result, compared to the conventional case, the number of parts can be significantly reduced, the parts management can be facilitated, the mistake of parts can be prevented, and the usability can be improved.
即ち、従来のワイヤハーネスに寿司巻きする樹脂シートは、巻付長さに対応する定尺部品とされ、長さが相違すると別部品として管理されているため、部品点数が増大している。これに対して、本発明の樹脂シートは定尺部品とせず、連続したコイルとし、コイルより必要長さ分を引き出して切断して用いるものとしているため、樹脂シートを１つのコイルからなる１部品にできる。その結果、従来と比較して、部品点数を大幅に削減でき、部品管理を容易にすると共に部品の取り間違いを防ぎ、使い勝手を良くすることができる。 As described above, in the present invention, as in the case of a conventional resin tape wound around a core (so-called paper tube) to form a coil, a resin sheet is wound as a coil to form a continuous part, and the necessary length from the coil Only by pulling out and cutting to the required length, the number of parts of the resin sheet is significantly reduced.
That is, the resin sheet to be sushi-rolled in the conventional wire harness is a fixed-sized part corresponding to the winding length, and if the lengths are different, it is managed as a separate part, so the number of parts is increased. On the other hand, since the resin sheet of the present invention is not a fixed part but a continuous coil, and the required length is drawn from the coil and cut for use, the resin sheet is one part consisting of one coil. You can As a result, compared to the conventional case, the number of parts can be significantly reduced, the parts management can be facilitated, the mistake of parts can be prevented, and the usability can be improved.
また、本発明の樹脂シートは幅方向を円弧状としており、従来の幅方向および長さ方向とも平面状の樹脂シートと相違する。
複数の電線群を集束して断面略円形とするワイヤハーネスの外周に樹脂シートを寿司巻き状に巻き付ける際、平面状の樹脂シートをワイヤハーネスの外周に巻き付けても電線群の外周に添わせにくく、かつ、電線群への巻き付け姿勢の保持力がない。よって、樹脂シートの内面の粘着剤を電線群の外周面にしっかりと粘着するまでに巻き戻し状態になりやすく、巻付作業性が悪い問題がある。
これに対して、本発明では、コイルから必要長さだけ引き出して取得する樹脂シートは寿司巻きする際に円弧状とする幅方向が予め円弧状にクセ付けされているため、ワイヤハーネスの電線群の外周面に添わせやすく、かつ、寿司巻き状態に保持されやすい。よって、樹脂シートの幅方向の一端内面の粘着剤でワイヤハーネスの電線群に樹脂シートを粘着する作業、および幅方向の他端内面の粘着剤で先巻きの外面に樹脂シートを粘着する作業を容易かつ確実に行うことができ、樹脂シートの巻付作業性を高めることができる。 Further, the resin sheet of the present invention has an arc shape in the width direction, which is different from the conventional resin sheet in the width direction and the length direction.
When winding a resin sheet in the form of a sushi roll around the outer periphery of a wire harness that gathers a plurality of wire groups into a substantially circular cross section, it is difficult to conform a flat resin sheet to the outer periphery of the wire group And, there is no holding power of the winding posture to the wire group. Therefore, the adhesive sheet on the inner surface of the resin sheet is likely to be unwound before firmly adhering to the outer peripheral surface of the wire group, and there is a problem that the winding workability is poor.
On the other hand, in the present invention, since the resin sheet obtained by drawing out the required length from the coil is made into an arc shape at the time of sushi winding, the width direction is arced in advance, so the wire group of the wire harness And easy to be held in a sushi roll state. Therefore, the work of sticking the resin sheet to the wire group of the wire harness with the adhesive on one end inner surface in the width direction of the resin sheet and the work of sticking the resin sheet on the outer surface of the first winding with the adhesive on the other end inner surface in the width direction It can be carried out easily and reliably, and the winding workability of the resin sheet can be enhanced.
複数の電線群を集束して断面略円形とするワイヤハーネスの外周に樹脂シートを寿司巻き状に巻き付ける際、平面状の樹脂シートをワイヤハーネスの外周に巻き付けても電線群の外周に添わせにくく、かつ、電線群への巻き付け姿勢の保持力がない。よって、樹脂シートの内面の粘着剤を電線群の外周面にしっかりと粘着するまでに巻き戻し状態になりやすく、巻付作業性が悪い問題がある。
これに対して、本発明では、コイルから必要長さだけ引き出して取得する樹脂シートは寿司巻きする際に円弧状とする幅方向が予め円弧状にクセ付けされているため、ワイヤハーネスの電線群の外周面に添わせやすく、かつ、寿司巻き状態に保持されやすい。よって、樹脂シートの幅方向の一端内面の粘着剤でワイヤハーネスの電線群に樹脂シートを粘着する作業、および幅方向の他端内面の粘着剤で先巻きの外面に樹脂シートを粘着する作業を容易かつ確実に行うことができ、樹脂シートの巻付作業性を高めることができる。 Further, the resin sheet of the present invention has an arc shape in the width direction, which is different from the conventional resin sheet in the width direction and the length direction.
When winding a resin sheet in the form of a sushi roll around the outer periphery of a wire harness that gathers a plurality of wire groups into a substantially circular cross section, it is difficult to conform a flat resin sheet to the outer periphery of the wire group And, there is no holding power of the winding posture to the wire group. Therefore, the adhesive sheet on the inner surface of the resin sheet is likely to be unwound before firmly adhering to the outer peripheral surface of the wire group, and there is a problem that the winding workability is poor.
On the other hand, in the present invention, since the resin sheet obtained by drawing out the required length from the coil is made into an arc shape at the time of sushi winding, the width direction is arced in advance, so the wire group of the wire harness And easy to be held in a sushi roll state. Therefore, the work of sticking the resin sheet to the wire group of the wire harness with the adhesive on one end inner surface in the width direction of the resin sheet and the work of sticking the resin sheet on the outer surface of the first winding with the adhesive on the other end inner surface in the width direction It can be carried out easily and reliably, and the winding workability of the resin sheet can be enhanced.
また、前記のように、樹脂シートの幅方向の一端または両端に長さ方向に間隔をあけてＶ字状またはスリット状の切断用切れ目を設けておくことが好ましい。
このように、切断用切れ目を設けておくと、作業員が樹脂シートを所要長さに切断する際に前記切断用切れ目を分離始点として容易に切断することができる。 Further, as described above, it is preferable to provide a V-shaped or slit-shaped cutting slit at one end or both ends in the width direction of the resin sheet at intervals in the length direction.
As described above, when the cutting slit is provided, the worker can easily cut the cutting slit as a separation start point when the resin sheet is cut to a required length.
このように、切断用切れ目を設けておくと、作業員が樹脂シートを所要長さに切断する際に前記切断用切れ目を分離始点として容易に切断することができる。 Further, as described above, it is preferable to provide a V-shaped or slit-shaped cutting slit at one end or both ends in the width direction of the resin sheet at intervals in the length direction.
As described above, when the cutting slit is provided, the worker can easily cut the cutting slit as a separation start point when the resin sheet is cut to a required length.
本発明の樹脂シートは、塩化ビニル樹脂製とし、該樹脂シートの内面の幅方向両端に設ける前記切断用切れ目の部分に前記粘着剤塗布部を設け、該粘着剤塗布部に予め剥離紙を張り付けておき、ワイヤハーネスの電線群に寿司巻きする際に巻き付け状態で前記剥離紙を剥離することが好ましい。
The resin sheet of the present invention is made of a vinyl chloride resin, and the adhesive coated portion is provided at the cutting cuts provided at both ends in the width direction of the inner surface of the resin sheet, and a release paper is attached beforehand to the adhesive coated portion. It is preferable to separate the release paper in a wound state when sushi-rolling around the wire group of the wire harness.
第２の発明として、前記樹脂シートで電線群を寿司巻きしているワイヤハーネスを提供している。
As a second invention, there is provided a wire harness in which a wire group is sushi-wound with the resin sheet.
第３の発明として、前記ワイヤハーネス用の樹脂シートの製造方法を提供している。即ち、幅方向を湾曲させた樹脂シートを連続的に取得し、
前記樹脂シートの幅方向の端部に切断用切れ目を切断機で形成し、
前記切断用切れ目を設けた後に、幅方向の端部に粘着剤を塗布し、
その後、前記巻芯に前記樹脂シートを巻き付けてコイルとしているワイヤハーネス用の樹脂シートの製造方法を提供している。 As a third invention, a method of manufacturing a resin sheet for the wire harness is provided. That is, a resin sheet having a curved width direction is continuously obtained,
A cutting slit is formed at the end of the resin sheet in the width direction with a cutting machine,
After providing the cutting slit, apply an adhesive to the end in the width direction,
Then, the manufacturing method of the resin sheet for wire harnesses which wound the above-mentioned resin sheet around the above-mentioned winding core and is used as a coil is provided.
前記樹脂シートの幅方向の端部に切断用切れ目を切断機で形成し、
前記切断用切れ目を設けた後に、幅方向の端部に粘着剤を塗布し、
その後、前記巻芯に前記樹脂シートを巻き付けてコイルとしているワイヤハーネス用の樹脂シートの製造方法を提供している。 As a third invention, a method of manufacturing a resin sheet for the wire harness is provided. That is, a resin sheet having a curved width direction is continuously obtained,
A cutting slit is formed at the end of the resin sheet in the width direction with a cutting machine,
After providing the cutting slit, apply an adhesive to the end in the width direction,
Then, the manufacturing method of the resin sheet for wire harnesses which wound the above-mentioned resin sheet around the above-mentioned winding core and is used as a coil is provided.
前記幅方向に円弧状に湾曲する樹脂シートは、連続押出成形機で成形される樹脂チューブに軸線方向に沿ってスリットを入れて形成し、
あるいは 連続押出成形機で前記幅方向に円弧状に湾曲する樹脂シートを形成している。
前記のように、樹脂チューブを軸線方向で切断して湾曲して樹脂シートとすると、ワイヤハーネスの電線群の外周面に巻き付けられる円環状に確実にクセ付けすることができ、電線群への巻き付け作業性を更に高めることができる。 The resin sheet curved in an arc shape in the width direction is formed by inserting a slit along the axial direction in a resin tube molded by a continuous extrusion molding machine,
Alternatively, a resin sheet curved in an arc shape in the width direction is formed by a continuous extrusion molding machine.
As described above, when the resin tube is cut in the axial direction and bent to form a resin sheet, the resin tube can be made into an annular shape reliably wound around the outer peripheral surface of the wire group of the wire harness, and the wire is wound around the wire group Workability can be further enhanced.
あるいは 連続押出成形機で前記幅方向に円弧状に湾曲する樹脂シートを形成している。
前記のように、樹脂チューブを軸線方向で切断して湾曲して樹脂シートとすると、ワイヤハーネスの電線群の外周面に巻き付けられる円環状に確実にクセ付けすることができ、電線群への巻き付け作業性を更に高めることができる。 The resin sheet curved in an arc shape in the width direction is formed by inserting a slit along the axial direction in a resin tube molded by a continuous extrusion molding machine,
Alternatively, a resin sheet curved in an arc shape in the width direction is formed by a continuous extrusion molding machine.
As described above, when the resin tube is cut in the axial direction and bent to form a resin sheet, the resin tube can be made into an annular shape reliably wound around the outer peripheral surface of the wire group of the wire harness, and the wire is wound around the wire group Workability can be further enhanced.
前記本発明に係わるワイヤハーネス用の樹脂シートは、巻芯に巻き付けてコイルとしているため、汎用されている樹脂テープと同様に、コイルから必要長さ分だけ引き出して用いることができ、従来定尺部品とされている樹脂シートを多数設けておく必要は無く、部品点数を大幅に削減でき、部品管理を容易にすると共に部品の取り間違いを防ぎ、使い勝手を良くすることができる。
かつ、コイルから引き出す樹脂シートは幅方向を円弧状としているため、断面略円形とするワイヤハーネスの外周に樹脂シートを寿司巻き状に巻き付ける際、平面状の樹脂シートを巻き付ける場合と比較して、電線群の外周に添わせやすく、寿司巻き状態に保持されやすい。よって、樹脂シートの幅方向の一端内面の粘着剤でワイヤハーネスの電線群に樹脂シートを粘着する作業、および幅方向の他端内面の粘着剤で先巻きの外面に樹脂シートを粘着する作業を容易かつ確実に行うことができ、樹脂シートの巻付作業性を高めることができる。 Since the resin sheet for the wire harness according to the present invention is wound around a core to form a coil, it can be pulled out from the coil for a necessary length and used, as in the case of a commonly used resin tape. There is no need to provide a large number of resin sheets, which is a part, the number of parts can be significantly reduced, parts management can be facilitated, mistaking of parts can be prevented, and usability can be improved.
In addition, since the resin sheet drawn out from the coil has an arc shape in the width direction, when the resin sheet is wound in a sushi-roll shape around the wire harness having a substantially circular cross section, as compared with the case where a flat resin sheet is wound, It is easy to conform to the outer circumference of the wire group and easily held in a sushi roll state. Therefore, the work of sticking the resin sheet to the wire group of the wire harness with the adhesive on one end inner surface in the width direction of the resin sheet and the work of sticking the resin sheet on the outer surface of the first winding with the adhesive on the other end inner surface in the width direction It can be carried out easily and reliably, and the winding workability of the resin sheet can be enhanced.
かつ、コイルから引き出す樹脂シートは幅方向を円弧状としているため、断面略円形とするワイヤハーネスの外周に樹脂シートを寿司巻き状に巻き付ける際、平面状の樹脂シートを巻き付ける場合と比較して、電線群の外周に添わせやすく、寿司巻き状態に保持されやすい。よって、樹脂シートの幅方向の一端内面の粘着剤でワイヤハーネスの電線群に樹脂シートを粘着する作業、および幅方向の他端内面の粘着剤で先巻きの外面に樹脂シートを粘着する作業を容易かつ確実に行うことができ、樹脂シートの巻付作業性を高めることができる。 Since the resin sheet for the wire harness according to the present invention is wound around a core to form a coil, it can be pulled out from the coil for a necessary length and used, as in the case of a commonly used resin tape. There is no need to provide a large number of resin sheets, which is a part, the number of parts can be significantly reduced, parts management can be facilitated, mistaking of parts can be prevented, and usability can be improved.
In addition, since the resin sheet drawn out from the coil has an arc shape in the width direction, when the resin sheet is wound in a sushi-roll shape around the wire harness having a substantially circular cross section, as compared with the case where a flat resin sheet is wound, It is easy to conform to the outer circumference of the wire group and easily held in a sushi roll state. Therefore, the work of sticking the resin sheet to the wire group of the wire harness with the adhesive on one end inner surface in the width direction of the resin sheet and the work of sticking the resin sheet on the outer surface of the first winding with the adhesive on the other end inner surface in the width direction It can be carried out easily and reliably, and the winding workability of the resin sheet can be enhanced.
前記本発明に係わるワイヤハーネスの樹脂シートの製造方法によれば、幅方向が湾曲した樹脂シートを簡単に製造することができる。
According to the method of manufacturing a resin sheet of a wire harness according to the present invention, a resin sheet having a curved width direction can be easily manufactured.
以下、本発明のワイヤハーネス用の樹脂シートの実施形態を図面を参照して説明する。 図１乃至図６に示す実施形態の樹脂シート１は、図４および図５に示すように、ワイヤハーネス２０を構成する複数本の電線２１を断面円形に集束した状態で、その外周面に寿司巻き状に巻き付けて粘着して、ワイヤハーネス２０の電線２１を結束保護および経路規制する樹脂シートである。
Hereinafter, an embodiment of a resin sheet for a wire harness of the present invention will be described with reference to the drawings. The resin sheet 1 of the embodiment shown in FIGS. 1 to 6 is, as shown in FIG. 4 and FIG. It is a resin sheet which wraps around and adheres in a wound shape, and performs binding protection and route control of the electric wire 21 of the wire harness 20.
樹脂シート１は塩化ビニル製で、厚さｔが０．４～１．０ｍｍ（本実施形態では厚さは０．４ｍｍ）で、可撓性を有するものである。
幅方向Ｙの寸法が一定であると共に、該幅方向の中央部１ａが外方に突出する円弧状に湾曲されている。該幅方向Ｙの寸法は、樹脂シート１を巻き付けるワイヤハーネス２０の外周長さより長くして、先巻き部分の外周面に後巻き部分の内周面が重なるラップ代を有する長さとしている。幅方向と直交する長さ方向Ｘは連続し、巻芯８に巻き付けてコイル１０とされている。 Theresin sheet 1 is made of vinyl chloride, has a thickness t of 0.4 to 1.0 mm (in the present embodiment, a thickness of 0.4 mm), and is flexible.
The dimension in the width direction Y is constant, and thecentral portion 1a in the width direction is curved in an arc shape projecting outward. The dimension in the width direction Y is longer than the outer peripheral length of the wire harness 20 around which the resin sheet 1 is wound, and has a lap margin in which the inner peripheral surface of the back wound portion overlaps the outer peripheral surface of the first wound portion. A length direction X orthogonal to the width direction is continuous, and wound around a core 8 to be a coil 10.
幅方向Ｙの寸法が一定であると共に、該幅方向の中央部１ａが外方に突出する円弧状に湾曲されている。該幅方向Ｙの寸法は、樹脂シート１を巻き付けるワイヤハーネス２０の外周長さより長くして、先巻き部分の外周面に後巻き部分の内周面が重なるラップ代を有する長さとしている。幅方向と直交する長さ方向Ｘは連続し、巻芯８に巻き付けてコイル１０とされている。 The
The dimension in the width direction Y is constant, and the
なお、樹脂シート１の厚さおよび強度を高めるために、１周以上複数周巻き付けることが好ましい場合もあるため、樹脂シート１の幅方向Ｙの寸法を共用化できるワイヤハーネスの樹脂シートの巻付箇所は多い。即ち、樹脂シート１の長さ方向Ｘの寸法はワイヤハーネス２０の集束保護および経路規制のために所定長さにする必要があるが、樹脂シート１の幅方向Ｙの寸法はワイヤハーネス２０に樹脂シート１を１周以上寿司巻きできればよく、それ以上の巻き付けは許容できるため、幅方向寸法は共用化できる。
In addition, in order to increase the thickness and strength of the resin sheet 1, it is preferable in some cases to wind one or more times, so winding the resin sheet of the wire harness which can share the dimension in the width direction Y of the resin sheet 1 There are many places. That is, the dimension in the length direction X of the resin sheet 1 needs to be a predetermined length for the convergence protection of the wire harness 20 and the path regulation, but the dimension in the width direction Y of the resin sheet 1 is resin for the wire harness 20 As long as the sheet 1 can be sushi-rolled for one or more turns, and more winding is acceptable, the widthwise dimension can be shared.
樹脂シート１を図３に示す巻芯８に連続的に巻き付けてコイル１０としている。巻芯８は円環形状で、幅方向Ｙの両側から中央８ａに向かって外方へ円弧状に突出した形状としている。該巻芯８の円弧は前記樹脂シート１の幅方向Ｙと同様な円弧とし、樹脂シート１を巻芯８に巻き付けることにより、幅方向を円弧形状にクセつけている。
The resin sheet 1 is continuously wound around a winding core 8 shown in FIG. The winding core 8 has an annular shape, and is shaped so as to protrude outward in an arc toward the center 8 a from both sides in the width direction Y. The arc of the winding core 8 is the same arc as the width direction Y of the resin sheet 1, and the resin sheet 1 is wound around the winding core 8 to make the width direction into an arc shape.
また、図２に示すように、樹脂シート１のコイル巻付状態で内周面となる一面１Ｓの幅方向Ｙの両端内面に沿って所要幅の粘着剤塗布部３Ａ、３Ｂを設けている。なお、樹脂シート１の一面１Ｓの全面に粘着剤を塗布していないのは、ワイヤハーネスの外周面への巻き付け状態でシワが発生する等でやり直しをする際に、全面に塗布した粘着剤をワイヤハーネスの電線群に粘着すると、やり直しが容易に行えなくなるためである。
Moreover, as shown in FIG. 2, adhesive application parts 3A and 3B of a required width are provided along the both end inner surfaces of width direction Y which become inner skin in the coil winding state of resin sheet 1, and is 1S. The reason for not applying the adhesive on the entire surface 1S of the resin sheet 1 is that the adhesive was applied to the entire surface when reworked due to the occurrence of wrinkles or the like in a wound state around the outer peripheral surface of the wire harness. When it adheres to the wire group of a wire harness, it is because rework can not be performed easily.
さらに、樹脂シート１の幅方向両側の粘着剤塗布部３Ａ、３Ｂを設けた部分に長さ方向Ｘに間隔をあけてＶ字状の溝からなる切断用切れ目４Ａ、４Ｂを設けている。この切断用切れ目４Ａ、４Ｂを設けることにより、作業員でも容易に手で引き裂いて切ることができる。なお、切断用切れ目としてＶ字状の溝を設ける変わりに、細溝となる短いスリットを設けてもよい。
Further, cutting slits 4A and 4B formed of V-shaped grooves are provided at intervals in the length direction X at portions where the adhesive coated portions 3A and 3B are provided on both sides in the width direction of the resin sheet 1. By providing the cutting cuts 4A and 4B, the operator can easily tear and cut by hand. Instead of providing a V-shaped groove as a cutting slit, a short slit may be provided to be a narrow groove.
前記のように、本発明の樹脂シート１は、汎用されている樹脂テープと同様なコイル１０とし、ワイヤハーネス２０の複数の電線を集束して寿司巻きする際に、コイル１０より巻き付け長さに必要な長さだけ巻き出して引き出し、切断用切れ目４Ａ、４Ｂを支点として切断して用いている。
As described above, the resin sheet 1 of the present invention is a coil 10 similar to a commonly used resin tape, and when a plurality of electric wires of the wire harness 20 are converged and sushi-wound, the coil 10 has a winding length. The required length is unwound and drawn out, and the cutting cuts 4A and 4B are used as a fulcrum and cut.
樹脂シート１でワイヤハーネスの電線群を外装保護する作業は、コイル１０から樹脂シート１を引き出して所要長さで切断し、巻付用の一定長さの樹脂シート１－１とした後、図５（Ａ）に示すように、樹脂シート１の一面１Ｓをワイヤハーネス２０の電線２１の外周面に接触させる内面として、図５（Ｂ）に示すように、幅方向Ｙの一端の粘着剤塗布部３Ａをワイヤハーネスの電線２１の外面に押し付けて粘着して、樹脂シート１－１をワイヤハーネス２０に寿司巻きする。この寿司巻きする樹脂シート１－１の幅方向Ｙの他端を先巻した一端側の外周面にラップさせ、図５（Ｃ）に示すように、粘着剤塗布部３Ｂを押し付けて粘着する。
The work of exterior protecting the wire group of the wire harness with the resin sheet 1 is as follows: after pulling out the resin sheet 1 from the coil 10 and cutting it at a required length, it becomes a resin sheet 1-1 of a fixed length for winding, As shown in FIG. 5 (B), as shown in FIG. 5 (B), an adhesive is applied to one end of the width direction Y as an inner surface for bringing the one surface 1S of the resin sheet 1 into contact with the outer peripheral surface of the wire 21. The portion 3A is pressed against the outer surface of the wire 21 of the wire harness and adhered, and the resin sheet 1-1 is sushi-rolled around the wire harness 20. The other end in the width direction Y of the resin sheet 1-1 to be sushi-rolled is wrapped on the outer peripheral surface on the one end side which is pre-wound, and the adhesive application portion 3B is pressed and adhered as shown in FIG. 5 (C).
前記のように、本発明の樹脂シート１は、巻芯８に巻き付けたコイル１０としているため、従来汎用されているコイル巻きされた樹脂テープと同様に、必要長さに応じてコイルから引き出して切断し所要長さにできる。よって、巻き付け長さに応じた定尺の樹脂シートを設ける必要がなく、部品点数を大幅に削減でき、部品管理を容易にすると共に部品の取り間違いを防ぎ、使い勝手を良くすることができる。
As described above, since the resin sheet 1 of the present invention is the coil 10 wound around the core 8, the resin sheet 1 of the present invention can be pulled out from the coil according to the required length, similarly to the conventionally wound coiled resin tape. It can be cut to the required length. Therefore, there is no need to provide a resin sheet of a fixed size corresponding to the winding length, the number of parts can be greatly reduced, parts management can be facilitated, mistaking of parts can be prevented, and usability can be improved.
また、本発明の樹脂シート１は幅方向Ｙを円弧状としているため、複数の電線２１を集束して断面略円形とするワイヤハーネス２０の外周に所要長さに切断した樹脂シート１－１を寿司巻き状に巻き付ける際、予め円弧状にクセ付けされているため、ワイヤハーネスの電線群の外周面に添わせやすく、かつ、寿司巻き状態に保持されやすい。よって、樹脂シート１－１のワイヤハーネスへの寿司巻き作業性および、幅方向の両端の粘着剤塗布部３Ａ、３Ｂでの粘着作業性を高めることができる。
Further, since the resin sheet 1 of the present invention has an arc shape in the width direction Y, the resin sheet 1-1 cut into a required length on the outer periphery of the wire harness 20 which converges the plurality of electric wires 21 to make the cross section substantially circular. When being wound in a sushi roll, since it is made into an arc shape in advance, it is easy to conform to the outer peripheral surface of the electric wire group of the wire harness, and easily held in a sushi roll state. Therefore, it is possible to improve the workability of sushi winding of the resin sheet 1-1 onto the wire harness and the adhesion workability at the adhesive application parts 3A and 3B at both ends in the width direction.
前記樹脂シート１の製造方法を図６を参照して、以下に説明する。
図６（Ａ）に示すように、円環形状の樹脂チューブ３０を連続押し出し成形する。
次に、図６（Ｂ）に示すように、連続的に押し出された樹脂チューブ３０を切断機で軸線方向に１本のスリット３１を入れて分断し、スリット３１を始点として拡げて樹脂シート１の素材とする。
次に、図６（Ｃ）に示すように、スリット３１で分断された両端を幅方向Ｙの両端として略平面状に拡げた状態を保持しながら長さ方向Ｘに連続搬送し、幅方向の両端に切断機で切断用切れ目４Ａ、４Ｂを入れる。
次に、図６（Ｄ）に示すように、幅方向の両端部に粘着剤塗布機で一定幅で粘着剤を塗布して粘着剤塗布部３Ａ、３Ｂを設ける。
最後に、樹脂シートを平面状に拡げて保持した状態を解除して、幅方向Ｙが円弧状に湾曲した状態に戻し、巻芯に連続的に巻き付けて、図１に示すコイル１０とする。 The method of manufacturing theresin sheet 1 will be described below with reference to FIG.
As shown in FIG. 6A, theannular resin tube 30 is continuously extruded.
Next, as shown in FIG. 6B, one slit 31 is inserted in the axial direction by the cutting machine to cut the continuously extrudedresin tube 30, and the resin sheet 1 is expanded starting from the slit 31. The material of
Next, as shown in FIG. 6C, the sheet is continuously conveyed in the length direction X while maintaining a state in which both ends divided by theslits 31 are substantially planarly expanded as both ends in the width direction Y. Insert cutting cuts 4A and 4B with a cutter at both ends.
Next, as shown in FIG. 6 (D), an adhesive is applied to both ends in the width direction with a predetermined width using an adhesive coating machine to provide adhesive coated parts 3A and 3B.
Finally, the state in which the resin sheet is spread and held in a planar shape is released, and the state in which the width direction Y is curved in a circular arc shape is returned to continuously wind around the winding core to obtain thecoil 10 shown in FIG.
図６（Ａ）に示すように、円環形状の樹脂チューブ３０を連続押し出し成形する。
次に、図６（Ｂ）に示すように、連続的に押し出された樹脂チューブ３０を切断機で軸線方向に１本のスリット３１を入れて分断し、スリット３１を始点として拡げて樹脂シート１の素材とする。
次に、図６（Ｃ）に示すように、スリット３１で分断された両端を幅方向Ｙの両端として略平面状に拡げた状態を保持しながら長さ方向Ｘに連続搬送し、幅方向の両端に切断機で切断用切れ目４Ａ、４Ｂを入れる。
次に、図６（Ｄ）に示すように、幅方向の両端部に粘着剤塗布機で一定幅で粘着剤を塗布して粘着剤塗布部３Ａ、３Ｂを設ける。
最後に、樹脂シートを平面状に拡げて保持した状態を解除して、幅方向Ｙが円弧状に湾曲した状態に戻し、巻芯に連続的に巻き付けて、図１に示すコイル１０とする。 The method of manufacturing the
As shown in FIG. 6A, the
Next, as shown in FIG. 6B, one slit 31 is inserted in the axial direction by the cutting machine to cut the continuously extruded
Next, as shown in FIG. 6C, the sheet is continuously conveyed in the length direction X while maintaining a state in which both ends divided by the
Next, as shown in FIG. 6 (D), an adhesive is applied to both ends in the width direction with a predetermined width using an adhesive coating machine to provide adhesive coated
Finally, the state in which the resin sheet is spread and held in a planar shape is released, and the state in which the width direction Y is curved in a circular arc shape is returned to continuously wind around the winding core to obtain the
前記製造方法によると、幅方向に円弧状に湾曲すると共に長さ方向に連続する樹脂シート１を簡単に得ることができ、かつ、該樹脂シート１を湾曲した巻芯８に巻き付けてコイルとすることにより、円弧状にクセ付けされた樹脂シート１のコイル１０を設けることができる。
According to the manufacturing method, the resin sheet 1 which is curved in an arc shape in the width direction and continuously in the length direction can be easily obtained, and the resin sheet 1 is wound around the curved core 8 to form a coil. Thereby, it is possible to provide the coil 10 of the resin sheet 1 that is made into a circular arc shape.
コイル１０の巻芯８の円弧角度を変えることにより、樹脂シート１の幅方向の円弧角度を変えたコイル１０を簡単に得ることができる。
By changing the arc angle of the winding core 8 of the coil 10, the coil 10 in which the arc angle in the width direction of the resin sheet 1 is changed can be easily obtained.
本発明のコイルとされた樹脂シートは、前記図６（Ａ）（Ｂ）の樹脂チューブにスリットを入れてシートとする代わりに、幅方向に所要の曲率で湾曲した樹脂シートを連続押し出し成形で設けてもよい。円弧状に連続押出成形する樹脂シートは前記図６（Ｃ）以降と同様な手順でコイルとしてもよい。
Instead of slitting the resin tube of FIG. 6 (A) and (B) to form a sheet, the resin sheet made into a coil of the present invention is continuously extruded by bending a resin sheet curved with a required curvature in the width direction. You may provide. The resin sheet continuously extruded in an arc shape may be a coil in the same procedure as that of FIG. 6 (C) or later.
本発明は前記実施形態に限定されず、図７（Ａ）に示すように樹脂シートの一面の幅方向の一端に粘着剤塗布部３を設け、該粘着剤塗布部を巻き付け終端に位置させて、ワイヤハーネスへの寿司巻き状態を保持するようにしてもよい。
また、図７（Ｂ）に示すように、樹脂シートの一面全面に粘着剤塗布部３を設けてもよい。
さらに、図７（Ｃ）に示すように、細幅の両面粘着テープ１３を樹脂シート１の幅方向の両側に粘着しておいても良い。
さらにまた、図７（Ｄ）に示すように、樹脂シートの幅方向の一端側にのみ切断用切れ目となるスリット４Ｓを長さ方向に間隔をあけて設けてもよい。 The present invention is not limited to the above embodiment, but as shown in FIG. 7A, theadhesive application part 3 is provided at one end in the width direction of one surface of the resin sheet, and the adhesive application part is positioned at the winding end. , And may hold the sushi roll state on the wire harness.
Moreover, as shown to FIG. 7 (B), you may provide theadhesive application part 3 in the whole surface of a resin sheet.
Furthermore, as shown in FIG. 7C, a narrow double-sidedadhesive tape 13 may be adhered to both sides in the width direction of the resin sheet 1.
Still further, as shown in FIG. 7D, slits 4S serving as cutting cuts may be provided at intervals in the length direction only at one end side in the width direction of the resin sheet.
また、図７（Ｂ）に示すように、樹脂シートの一面全面に粘着剤塗布部３を設けてもよい。
さらに、図７（Ｃ）に示すように、細幅の両面粘着テープ１３を樹脂シート１の幅方向の両側に粘着しておいても良い。
さらにまた、図７（Ｄ）に示すように、樹脂シートの幅方向の一端側にのみ切断用切れ目となるスリット４Ｓを長さ方向に間隔をあけて設けてもよい。 The present invention is not limited to the above embodiment, but as shown in FIG. 7A, the
Moreover, as shown to FIG. 7 (B), you may provide the
Furthermore, as shown in FIG. 7C, a narrow double-sided
Still further, as shown in FIG. 7D, slits 4S serving as cutting cuts may be provided at intervals in the length direction only at one end side in the width direction of the resin sheet.
１ 樹脂シート
３Ａ、３Ｂ 粘着剤塗布部
４Ａ、４Ｂ 切断用切れ目
８ 巻芯
１０ コイル
２０ ワイヤハーネス
２１ 電線 1 resin sheet 3A, 3B adhesive application part 4A, 4B cut for cutting 8 core 10 coil 20 wire harness 21 electric wire
３Ａ、３Ｂ 粘着剤塗布部
４Ａ、４Ｂ 切断用切れ目
８ 巻芯
１０ コイル
２０ ワイヤハーネス
２１ 電線 1
Claims (5)
- ワイヤハーネスの外周面に寿司巻き状に巻き付けてワイヤハーネスの電線群を結束保護する可撓性を有する樹脂シートであり、
厚さ０．４～１．０ｍｍで、幅方向寸法が一定であると共に該幅方向が円弧状に湾曲されており、該幅方向と直交する長さ方向が連続して巻芯に巻き付けられてコイルとされ、該コイルよりワイヤハーネスの巻き付け長さに対応する寸法で引き出されて分離され、かつ、一面の少なくとも幅方向の一端側に粘着剤塗布部を備えていることを特徴とするワイヤハーネス用の樹脂シート。 It is a resin sheet with flexibility that wraps around the outer peripheral surface of the wire harness in a sushi-rolled manner to bind and protect the wire groups of the wire harness,
With a thickness of 0.4 to 1.0 mm, the widthwise dimension is constant and the widthwise direction is curved like an arc, and the length direction orthogonal to the widthwise direction is continuously wound around the core A wire harness which is a coil, is drawn out from the coil by a dimension corresponding to a winding length of the wire harness, and is provided with an adhesive application part on at least one widthwise side of one surface. Resin sheet. - 前記粘着剤塗布部を幅方向の両端に備え、かつ、
該樹脂シートの幅方向の一端または両端に長さ方向に間隔をあけてＶ字状またはスリット状の切断用切れ目を備えている請求項１に記載のワイヤハーネス用の樹脂シート。 The adhesive application portion is provided at both ends in the width direction, and
The resin sheet for a wire harness according to claim 1, further comprising a V-shaped or slit-shaped cutting slit at one or both ends in the width direction of the resin sheet at intervals in the length direction. - 請求項１または請求項２に記載の樹脂シートで電線群を寿司巻きしているワイヤハーネス。 The wire harness which is carrying out the sushi roll of the electric wire group by the resin sheet of Claim 1 or Claim 2.
- 請求項１または請求項２に記載のワイヤハーネス用の樹脂シートの製造方法であって、 幅方向を湾曲させた樹脂シートを連続的に取得し、
前記樹脂シートの幅方向の端部に切断用切れ目を切断機で形成し、
前記切断用切れ目を設けた後に、幅方向の端部に粘着剤を塗布し、
その後、前記巻芯に前記樹脂シートを巻き付けてコイルとしているワイヤハーネス用の樹脂シートの製造方法。 It is a manufacturing method of the resin sheet for wire harnesses according to claim 1 or claim 2, and continuously acquires the resin sheet which curved the cross direction,
A cutting slit is formed at the end of the resin sheet in the width direction with a cutting machine,
After providing the cutting slit, apply an adhesive to the end in the width direction,
Then, the manufacturing method of the resin sheet for wire harnesses which winds the said resin sheet around the said core, and is making it a coil. - 前記幅方向に円弧状に湾曲する樹脂シートは、連続押出成形機で成形される樹脂チューブに軸線方向に沿ってスリットを入れて形成し、
あるいは 連続押出成形機で前記幅方向に円弧状に湾曲する樹脂シートを形成している請求項４に記載のワイヤハーネス用の樹脂シートの製造方法。 The resin sheet curved in an arc shape in the width direction is formed by inserting a slit along the axial direction in a resin tube molded by a continuous extrusion molding machine,
Or the manufacturing method of the resin sheet for wire harnesses of Claim 4 which forms the resin sheet curved in circular arc shape in the said width direction with a continuous extrusion molding machine.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015215812A JP2017093019A (en) | 2015-11-02 | 2015-11-02 | Resin sheet for wiring harness and manufacturing method therefor |
| JP2015-215812 | 2015-11-02 |
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| WO2017077844A1 true WO2017077844A1 (en) | 2017-05-11 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07105756A (en) * | 1993-10-07 | 1995-04-21 | Sumitomo Wiring Syst Ltd | Waterproof tape winding method for wire harness |
| JPH11205945A (en) * | 1998-01-16 | 1999-07-30 | Sumitomo Wiring Syst Ltd | Protective sheet for wire harness |
| JP2011234509A (en) * | 2010-04-27 | 2011-11-17 | Sumitomo Wiring Syst Ltd | Net-like protective material for wiring harness |
| JP3179032U (en) * | 2012-07-31 | 2012-10-11 | ネットチャート株式会社 | Cable bundling tool |
-
2015
- 2015-11-02 JP JP2015215812A patent/JP2017093019A/en active Pending
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2016
- 2016-10-17 WO PCT/JP2016/080662 patent/WO2017077844A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07105756A (en) * | 1993-10-07 | 1995-04-21 | Sumitomo Wiring Syst Ltd | Waterproof tape winding method for wire harness |
| JPH11205945A (en) * | 1998-01-16 | 1999-07-30 | Sumitomo Wiring Syst Ltd | Protective sheet for wire harness |
| JP2011234509A (en) * | 2010-04-27 | 2011-11-17 | Sumitomo Wiring Syst Ltd | Net-like protective material for wiring harness |
| JP3179032U (en) * | 2012-07-31 | 2012-10-11 | ネットチャート株式会社 | Cable bundling tool |
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