JP2014144384A - Coating applying apparatus, coating applying method and manufacturing method of enamel wire - Google Patents
Coating applying apparatus, coating applying method and manufacturing method of enamel wire Download PDFInfo
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Abstract
Description
本発明は、塗料塗布装置、塗料塗布方法及びエナメル線の製造方法に関する。 The present invention relates to a paint coating apparatus, a paint coating method, and an enameled wire manufacturing method.
従来より、例えば銅や鋼などの金属線材（走行線）の周囲に、絶縁塗料等の塗料を塗布して塗料層（絶縁層）を形成することが行われている。このような塗料層の形成は、例えば、塗料が貯留される塗料槽と、走行線の走行路上で、塗料槽の下流側に移動可能に設けられるダイス（金型）と、ダイスを保持するダイスホルダと、を備える塗料塗布装置によって行われている。ダイスには、貫通孔が設けられている。塗料塗布装置は、金属線材等の走行線が、塗料槽を通過した後、ダイスに設けられた貫通孔内を通過することで、走行線に塗布された余分な塗料を除去するように構成されている。 Conventionally, for example, a coating layer (insulating layer) is formed by applying a coating such as an insulating coating around a metal wire (running line) such as copper or steel. Such a paint layer is formed by, for example, a paint tank in which paint is stored, a die (mold) that is movably provided on the traveling path of the travel line, and a die holder that holds the die. Is performed by a coating material coating apparatus. A through hole is provided in the die. The paint coating device is configured to remove excess paint applied to the travel line by passing a travel line such as a metal wire rod through the through hole provided in the die after passing through the paint tank. ing.
しかしながら、走行線がダイスを通過し、走行線に塗布された塗料が除去される際、ダイスが走行線の走行路上を移動し、ダイスがダイスホルダに強固に押し付けられる場合があった。従って、ダイスとダイスホルダとの間に大きな摩擦力が発生する場合があった。このため、ダイスが走行線の走行方向に移動しなくなるとともに、周方向にも移動（回動）しなくなる場合があった。塗料の粘度が高い場合、ダイスとダイスホルダとの間に発生する摩擦力がより大きくなる場合があった。 However, when the travel line passes through the die and the paint applied to the travel line is removed, the die may move on the travel path of the travel line, and the die may be firmly pressed against the die holder. Therefore, a large frictional force may be generated between the die and the die holder. For this reason, the die may not move in the traveling direction of the traveling line, and may not move (turn) in the circumferential direction. When the viscosity of the paint is high, the frictional force generated between the die and the die holder may be increased.
走行線の走行位置は、塗料塗布装置内の風や、張力変動などの影響で、一定であるとは限らない。すなわち、走行線の走行位置にズレや捩れが発生する場合がある。このとき、ダイスがダイスホルダに強固に押し付けられ、ダイスが走行線の周方向に移動（回動）しない場合、走行線の走行位置のズレや捩じれにダイスが追従することができない場合があった。従って、走行線が、ダイスホルダに設けられた貫通孔の中心を通過しない場合があった。このため、走行線の周囲に均一に塗料が塗布されるように塗料を調整することができず、走行線の周囲に均一に塗料を塗布することができない場合があった。その結果、走行線の周囲に形成された塗料層に傾きや偏りが生じる場合があった。 The travel position of the travel line is not always constant due to the influence of wind in the coating material application apparatus and fluctuations in tension. In other words, a shift or twist may occur in the travel position of the travel line. At this time, when the die is firmly pressed against the die holder and the die does not move (rotate) in the circumferential direction of the travel line, the die may not be able to follow the shift or twist of the travel position of the travel line. Therefore, the traveling line may not pass through the center of the through hole provided in the die holder. For this reason, the paint cannot be adjusted so that the paint is uniformly applied around the travel line, and the paint may not be applied uniformly around the travel line. As a result, the paint layer formed around the running line may be inclined or biased.
そこで、本発明は、上記課題を解決し、走行線の周囲に均一に塗料を塗布できる塗料塗布装置、塗料塗布方法及びエナメル線の製造方法を提供することを目的とする。 Then, this invention solves the said subject, and it aims at providing the coating material coating apparatus which can apply | coat a coating material uniformly around a running line, the coating material coating method, and the manufacturing method of an enameled wire.
上記課題を解決するために、本発明は次のように構成されている。
本発明の第１の態様によれば、走行線の周囲に塗料を塗布する塗布部と、前記走行線の走行路上に移動可能に設けられ、前記走行線を通過させることで前記走行線の周囲に余剰に塗布された前記塗料を除去する金型、前記金型を保持する保持部材、及び前記金型の前記走行線の周方向への回動を維持する回動維持部材を有する余剰塗料除去部と、を備える塗料塗布装置が提供される。
In order to solve the above problems, the present invention is configured as follows.
According to the first aspect of the present invention, an application unit that applies paint around the travel line, and a movably provided portion on the travel path of the travel line, and the periphery of the travel line by passing the travel line. A surplus paint removing having a mold for removing the paint applied excessively on the mold, a holding member for holding the mold, and a rotation maintaining member for maintaining the rotation of the mold in the circumferential direction of the travel line And a coating material application apparatus including the unit.
本発明の第２の態様によれば、前記金型には、前記保持部材に係止される係止部が設けられており、前記保持部材は、前記金型の前記係止部に係止するように設けられており、前記回動維持部材は、前記走行線の走行路上の前記金型より下流側に設けられている第１の態様の塗料塗布装置が提供される。 According to the second aspect of the present invention, the mold is provided with a locking portion that is locked to the holding member, and the holding member is locked to the locking portion of the mold. The coating material application apparatus according to the first aspect is provided in which the rotation maintaining member is provided on the downstream side of the mold on the travel path of the travel line.
本発明の第３の態様によれば、前記回動維持部材は、錘である第２の態様の塗料塗布装置が提供される。 According to a third aspect of the present invention, there is provided the paint coating apparatus according to the second aspect, wherein the rotation maintaining member is a weight.
本発明の第４の態様によれば、前記回動維持部材は、前記走行線が前記金型内を通過する際、前記金型と前記保持部材とによって挟まれるように設けられ、前記回動維持部材は、前記走行線の周方向に回転可能な軸受部材である第１の態様の塗料塗布装置が提供される。 According to a fourth aspect of the present invention, the rotation maintaining member is provided so as to be sandwiched between the mold and the holding member when the travel line passes through the mold. The maintenance member is provided with the coating material application apparatus according to the first aspect, which is a bearing member rotatable in the circumferential direction of the travel line.
本発明の第５の態様によれば、塗布部で走行線の周囲に塗料を塗布する塗布工程と、前記走行線の走行路上に移動可能に設けられ、前記走行線の周方向への回動を維持する回動維持部材が設けられた金型に前記走行線を通過させることで、前記走行線の周囲に余剰に塗布された前記塗料を除去する工程と、を有する塗料塗布方法が提供される。 According to the fifth aspect of the present invention, the application step of applying the paint around the travel line at the application unit, and the rotation of the travel line in the circumferential direction are provided so as to be movable on the travel path of the travel line. And a step of removing the paint applied excessively around the travel line by passing the travel line through a mold provided with a rotation maintaining member for maintaining the rotation is provided. The
本発明の第６の態様によれば、塗布部で走行線の周囲に塗料を塗布する工程と、前記走行線の走行路上に移動可能に設けられ、前記走行線の周方向への回動を維持する回動維持部材が設けられた金型に前記走行線を通過させることで、前記走行線の周囲に余剰に塗布された前記塗料を除去する工程と、前記走行線を硬化部に送り、前記塗料を硬化させる工程と、を有することを特徴とするエナメル線の製造方法が提供される。 According to the sixth aspect of the present invention, the coating portion is applied around the travel line at the application unit, and is provided movably on the travel path of the travel line, and the rotation of the travel line in the circumferential direction is performed. Passing the travel line through a mold provided with a rotation maintaining member to maintain, removing the paint applied excessively around the travel line, and sending the travel line to the curing unit, A method for producing an enameled wire, comprising: a step of curing the paint.
本発明にかかる塗料塗布装置、塗料塗布方法及びエナメル線の製造方法によれば、走行線の周囲に均一に塗料を塗布できる。 According to the coating material coating apparatus, the coating material coating method, and the enameled wire manufacturing method according to the present invention, the coating material can be uniformly coated around the traveling line.
（１）塗料塗布装置
まず、本発明の一実施形態にかかる塗料塗布装置について、主に図１を参照しながら説明する。図１は、本実施形態にかかる塗料塗布装置１０の概略構成図である。
(1) Paint Coating Device First, a paint coating device according to an embodiment of the present invention will be described mainly with reference to FIG. FIG. 1 is a schematic configuration diagram of a paint coating apparatus 10 according to the present embodiment.
（塗布部）
図１に示すように、塗料塗布装置１０は、走行線１１の周囲に塗料を塗布する塗布部を備えている。塗布部は、例えば塗料が貯留される塗料槽１２を備えている。塗料槽１２には、走行線１１が搬入される入口孔と、走行線１１が搬出される出口孔とが形成されている。入口孔と出口孔とは、それぞれ対向するように設けられている。塗料槽１２は、例えば走行線１１が鉛直上方向に（紙面の手前側から奥側に向かって）走行されるように設けられている。なお、走行線１１としては、例えば銅線等の導体を用いることができる。塗料槽１２に溜められる塗料としては、例えば紫外線硬化性樹脂や熱硬化性樹脂等の絶縁塗料を用いることができる。
(Applying part)
As shown in FIG. 1, the coating material application apparatus 10 includes an application unit that applies a coating material around the travel line 11. The application unit includes, for example, a paint tank 12 in which paint is stored. The paint tank 12 is formed with an inlet hole into which the traveling line 11 is carried in and an outlet hole through which the traveling line 11 is carried out. The inlet hole and the outlet hole are provided so as to face each other. The paint tank 12 is provided, for example, so that the travel line 11 travels vertically upward (from the front side to the back side of the page). In addition, as the running line 11, conductors, such as a copper wire, can be used, for example. As the paint stored in the paint tank 12, for example, an insulating paint such as an ultraviolet curable resin or a thermosetting resin can be used.
（余剰塗料除去部）
塗布部（塗料槽１２）の下流側には、走行線１１の周囲に塗布された塗料の厚さ（塗料の付き回り）を調整する金型としてダイス１３が設けられている。ダイス１３は、走行線１１の周囲に塗布された余剰な塗料を除去するように形成されている。ダイス１３は例えば円筒形状に形成されているが、これに限定されるものではない。
(Excess paint removal part)
A die 13 is provided on the downstream side of the coating unit (paint tank 12) as a mold for adjusting the thickness of paint applied around the travel line 11 (around the coating). The die 13 is formed so as to remove excess paint applied around the running line 11. The die 13 is formed in a cylindrical shape, for example, but is not limited to this.
ダイス１３には、貫通孔１４が設けられており、貫通孔１４内を走行線１１が通過するように構成されている。貫通孔１４は、例えば、入口側（上流側）から出口側（下流側）に向かって径が小さくなるようなテーパ形状に形成されているとよい。ダイス１３の貫通孔１４の出口は、走行線１１に塗布された余剰な塗料を除去する機能を有する。従って、貫通孔１４の出口の平面形状は、走行線１１に塗布された塗料を硬化させて形成される塗料層の形状を所望とする形状に成形できる形状に形成されている。例えば、貫通孔１４の出口の平面形状は、走行線１１の走行方向と直交する方向の断面と相似する形状に形成されているとよい。なお、貫通孔１４の入口の平面形状は、走行線１１を送ることができる形状であれば、任意の形状とすることができる。すなわち、貫通孔１４の入口の平面形状は、貫通孔１４の出口の平面形状と同じ形状であってもよく、異なる形状であってもよい。また、ダイス１３内の貫通孔１４の平面形状は、貫通孔１４内を走行線１１が通過することができる形状であれば、任意の形状とすることができる。 The die 13 is provided with a through hole 14 so that the travel line 11 passes through the through hole 14. For example, the through hole 14 may be formed in a tapered shape such that the diameter decreases from the inlet side (upstream side) to the outlet side (downstream side). The exit of the through hole 14 of the die 13 has a function of removing excess paint applied to the running line 11. Therefore, the planar shape of the exit of the through hole 14 is formed into a shape that allows the shape of the paint layer formed by curing the paint applied to the running line 11 to be formed into a desired shape. For example, the planar shape of the outlet of the through hole 14 may be formed in a shape similar to a cross section in a direction orthogonal to the traveling direction of the traveling line 11. In addition, the planar shape of the entrance of the through hole 14 can be an arbitrary shape as long as the travel line 11 can be sent. That is, the planar shape of the inlet of the through hole 14 may be the same shape as the planar shape of the outlet of the through hole 14 or may be a different shape. Further, the planar shape of the through hole 14 in the die 13 can be any shape as long as the traveling line 11 can pass through the through hole 14.
ダイス１３は、走行線１１の走行路上に、走行線１１の走行方向及び周方向に移動可能に設けられている。すなわち、ダイス１３は、走行線１１の走行路上に往復移動し、かつ、走行線１１の周方向に回動するように設けられている。また、ダイス１３の両端にはそれぞれ、後述するダイスホルダ１７に係止される係止部１５，１６が設けられている。なお、ダイス１３の下流側の係止部１６は設けられていなくてもよい。 The dice 13 are provided on the travel path of the travel line 11 so as to be movable in the travel direction and the circumferential direction of the travel line 11. That is, the die 13 is provided so as to reciprocate on the travel path of the travel line 11 and to rotate in the circumferential direction of the travel line 11. Further, at both ends of the die 13, locking portions 15 and 16 that are locked by a die holder 17 described later are provided. Note that the locking portion 16 on the downstream side of the die 13 may not be provided.
ダイス１３は、ダイス１３を保持する保持部材としてのダイスホルダ１７に着脱自在に設けられている。ダイスホルダ１７は、ダイス１３の両端に設けられた係止部１５，１６の間に配設されている。 The die 13 is detachably provided on a die holder 17 as a holding member that holds the die 13. The die holder 17 is disposed between the locking portions 15 and 16 provided at both ends of the die 13.
走行線１１の走行路上のダイス１３よりも下流側には、走行線１１がダイス１３（ダイス１３の貫通孔１４）内を通過し、走行線１１に塗布された余剰な塗料が除去される際、ダイス１３の走行線１１の周方向への動き（回動）を維持する回動維持部材１８が設けられている。回動維持部材１８は、走行線１１がダイス１３内を通過する際、ダイス１３が走行線１１の走行方向に引っ張られる力とは逆方向の力をダイス１３に加えることができるように設けられている。例えば、回動維持部材１８は、ダイス１３の下流側の端面（ダイス１３の上面）に設けられている。回動維持部材１８は、走行線１１の走行路上に着脱自在に設けられている。 When the traveling line 11 passes through the dice 13 (through hole 14 of the die 13) on the downstream side of the dice 13 on the traveling path of the traveling line 11, excess paint applied to the traveling line 11 is removed. A rotation maintaining member 18 that maintains the movement (rotation) of the die 13 in the circumferential direction of the travel line 11 is provided. The rotation maintaining member 18 is provided so that when the travel line 11 passes through the die 13, a force in the direction opposite to the force with which the die 13 is pulled in the travel direction of the travel line 11 can be applied to the die 13. ing. For example, the rotation maintaining member 18 is provided on the end face on the downstream side of the die 13 (the upper surface of the die 13). The rotation maintaining member 18 is detachably provided on the travel path of the travel line 11.
これにより、走行線１１がダイス１３内を通過する際、ダイス１３の走行線１１の周方向への回動が維持される。従って、走行線１１の動きにダイス１３を追従させることができる。すなわち、ダイス１３の追従性を向上させることができる。 Thereby, when the running line 11 passes through the inside of the die 13, the rotation of the die 13 in the circumferential direction of the running line 11 is maintained. Therefore, the die 13 can follow the movement of the travel line 11. That is, the followability of the die 13 can be improved.
すなわち、回動維持部材１８によって、走行線１１がダイス１３内を通過する際、ダイス１３が走行線１１の走行方向に移動し（鉛直方向上側に引き上げられ）、ダイス１３の上流側に設けられた係止部１５とダイスホルダ１７とが接触することを抑制できる。従って、ダイス１３の係止部１５とダイスホルダ１７との間に摩擦力が発生することを抑制できる。従って、ダイス１３の走行線１１の周方向への回動が維持される。 That is, when the travel line 11 passes through the die 13 by the rotation maintaining member 18, the die 13 moves in the travel direction of the travel line 11 (upwardly in the vertical direction) and is provided on the upstream side of the die 13. It can suppress that the latching | locking part 15 and the die holder 17 contacted. Therefore, it is possible to suppress the generation of frictional force between the locking portion 15 of the die 13 and the die holder 17. Accordingly, the rotation of the die 13 in the circumferential direction of the travel line 11 is maintained.
これにより、走行線１１の走行位置のズレが発生したり、捻じれが発生した場合、ダイス１３が走行線１１の周囲を回動することによって、走行線１１がダイス１３の貫通孔１４の出口の中心位置を通過するように、走行線１１の位置ズレを修正することができる（センタリング効果）。従って、走行線１１の周囲に塗布された塗料を均一な厚さに調整することができる。 Thereby, when the shift | offset | difference of the driving | running | working position of the driving | running | working line 11 generate | occur | produces or twisted, the driving | running | working line 11 rotates the circumference | surroundings of the driving | running | working line 11, and the driving | running | working line 11 exits the through-hole 14 of the die | dye 13. The positional deviation of the travel line 11 can be corrected so as to pass through the center position (centering effect). Therefore, the paint applied around the running line 11 can be adjusted to a uniform thickness.
回動維持部材１８としては、例えば錘を用いることができる。このとき、錘の重さは、ダイス１３に走行線１１を通過させた際、ダイスホルダ１７が係止部１５に接触しないように、塗料の粘度や走行線１１の走行速度等によって調整するとよい。すなわち、塗料の粘度が低い場合や、走行線１１の走行速度が遅い場合には、錘の重さは比較的軽量でよい。塗料の粘度が高い場合や、走行線１１の走行速度が速い場合には、錘の重さを重くする必要がある。しかしながら、錘の重さが重すぎると、ダイス１３が走行線１１の動きに対して追従する速度が遅くなり、ダイス１３の追従性が低下する場合がある。 For example, a weight can be used as the rotation maintaining member 18. At this time, the weight of the weight may be adjusted by the viscosity of the paint, the traveling speed of the traveling line 11 and the like so that the die holder 17 does not come into contact with the locking portion 15 when the traveling line 11 is passed through the die 13. That is, when the viscosity of the paint is low or when the travel speed of the travel line 11 is slow, the weight of the weight may be relatively light. When the viscosity of the paint is high or when the traveling speed of the traveling line 11 is high, it is necessary to increase the weight of the weight. However, if the weight of the weight is too heavy, the speed at which the die 13 follows the movement of the travel line 11 becomes slow, and the followability of the die 13 may deteriorate.
なお、回動維持部材１８は、例えば主錘１９と１つ以上の微調整錘２０とを備えていてもよい。また、回動維持部材１８は、所定の重さを有する１つの錘を用いてもよい。 The rotation maintaining member 18 may include a main weight 19 and one or more fine adjustment weights 20, for example. Further, the rotation maintaining member 18 may use a single weight having a predetermined weight.
主に、ダイス１３と、ダイスホルダ１７と、回動維持部材１８としての錘と、により余剰塗料除去部が構成されている。 An excess paint removing unit is mainly configured by the die 13, the die holder 17, and the weight as the rotation maintaining member 18.
余剰塗料除去部の下流側には、走行線１１の周囲に塗布され、余剰塗料除去部にて厚さが調整された塗料を硬化させる硬化部としての硬化炉２１が設けられていてもよい。これにより、走行線１１の周囲に塗布された塗料を硬化させ、走行線１１の周囲に塗料層を形成することができる。 On the downstream side of the surplus paint removing unit, a curing furnace 21 may be provided as a curing unit that cures the paint applied around the travel line 11 and having a thickness adjusted by the surplus paint removing unit. Thereby, the coating material applied around the travel line 11 can be cured, and a paint layer can be formed around the travel line 11.
（２）塗料塗布方法及びエナメル線の製造方法
次に、上述の塗料塗布装置１０を用いて、走行線１１に塗料を塗布する塗料塗布方法の一実施形態について説明する。ここでは、一例として、走行線１１として導体である銅線を用い、塗料として熱硬化性樹脂を用い、銅線の周囲に熱硬化性樹脂を塗布して塗料層を形成し、エナメル線を製造する場合について説明する。
(2) Paint Application Method and Enamel Wire Manufacturing Method Next, an embodiment of a paint application method for applying a paint to the travel line 11 using the above-described paint application device 10 will be described. Here, as an example, a copper wire which is a conductor is used as the running wire 11, a thermosetting resin is used as a coating material, a coating layer is formed by applying a thermosetting resin around the copper wire, and an enameled wire is manufactured. The case where it does is demonstrated.
（塗料塗布工程）
走行線１１を塗布部が備える塗布部である塗料槽１２に送り、走行線１１の周囲（外周）に、塗料として例えば熱硬化性樹脂を塗布する。
(Paint application process)
For example, a thermosetting resin is applied as a coating around the travel line 11 (outer periphery) by feeding the travel line 11 to the coating tank 12 which is an application unit included in the application unit.
（余剰塗料除去工程）
続いて、塗料を塗布した走行線１１をダイス１３に設けられた貫通孔１４内に送り、走行線１１に余剰に塗布した塗料を除去し、走行線に塗布した塗料の厚さ（塗料の付き回り）を調整する。ダイス１３には、ダイス１３の走行線１１の周方向への回動を維持する回動維持部材１８としての錘が設けられている。これにより、走行線１１の動きにダイス１３が追従する。従って、走行線１１の走行位置のズレが発生したり、捻じれが発生した場合、走行線１１の周囲をダイス１３が回動することで、走行線１１がダイス１３の貫通孔１４の出口の中心位置を通過するように、走行線１１の走行位置のズレを修正する。
(Excess paint removal process)
Subsequently, the travel line 11 coated with the paint is fed into a through hole 14 provided in the die 13, and the paint applied excessively to the travel line 11 is removed, and the thickness of the paint applied to the travel line (attachment of paint) Around). The die 13 is provided with a weight as a rotation maintaining member 18 that maintains the rotation of the die 13 in the circumferential direction of the travel line 11. Thereby, the dice 13 follow the movement of the travel line 11. Accordingly, when the travel position of the travel line 11 is displaced or twisted, the die 13 rotates around the travel line 11, so that the travel line 11 is at the exit of the through hole 14 of the die 13. The shift of the travel position of the travel line 11 is corrected so as to pass through the center position.
（硬化工程）
ダイス１３を通過し、塗料の厚さを調整した走行線１１を硬化部としての硬化炉２１に送り、塗料を硬化させて走行線の周囲を被覆する塗料層を形成してエナメル線を得る。そして、エナメル線の製造工程を終了する。
(Curing process)
The running wire 11 that has passed through the die 13 and the thickness of the paint is adjusted is sent to a curing furnace 21 as a curing unit, and the paint is cured to form a paint layer that covers the periphery of the running line to obtain an enameled wire. And the manufacturing process of an enameled wire is complete | finished.
（３）本実施形態にかかる効果
本実施形態によれば、以下に示す１つまたは複数の効果を奏する。
(3) Effects According to the Present Embodiment According to the present embodiment, one or a plurality of effects described below are exhibited.
本実施形態によれば、余剰塗料除去部は、走行線１１の走行路上に移動可能に設けられ、走行線１１の周囲に塗布された塗料を走行線１１を貫通させることで除去するダイス１３を備えている。また、余剰塗料除去部は、ダイス１３の走行線１１の周方向への回動を維持する回動維持部材１８としての錘を備えている。これにより、走行線１１の動きにダイス１３を追従させることができる。従って、走行線１１の走行位置のズレが発生したり、捻じれが発生した場合、ダイス１３が走行線１１の周囲を回動することによって、走行線１１がダイス１３の貫通孔１４の出口の中心位置を通過するように、走行線１１の位置ズレを修正することができる。従って、走行線１１の周囲に塗布された塗料を均一な厚さに調整することができる。すなわち、走行線１１の塗料の付き回りを均一にすることができる。 According to the present embodiment, the surplus paint removing unit is movably provided on the travel path of the travel line 11, and removes the die 13 that removes the paint applied around the travel line 11 by penetrating the travel line 11. I have. The surplus paint removing unit includes a weight as a rotation maintaining member 18 that maintains the rotation of the die 13 in the circumferential direction of the travel line 11. Thereby, the dice 13 can follow the movement of the travel line 11. Accordingly, when the travel position of the travel line 11 is displaced or twisted, the die 13 rotates around the travel line 11, so that the travel line 11 is at the exit of the through hole 14 of the die 13. The positional deviation of the travel line 11 can be corrected so as to pass through the center position. Therefore, the paint applied around the running line 11 can be adjusted to a uniform thickness. In other words, the coating around the travel line 11 can be made uniform.
（本発明の他の実施形態）
以上、本発明の一実施形態を具体的に説明したが、本発明は上述の実施形態に限定されるものではなく、その要旨を逸脱しない範囲で種々変更可能でる。
(Other embodiments of the present invention)
As mentioned above, although one Embodiment of this invention was described concretely, this invention is not limited to the above-mentioned embodiment, A various change is possible in the range which does not deviate from the summary.
上述の実施形態では、回動維持部材１８として錘を用いる場合について説明したが、本発明はかかる形態に限定されない。すなわち、回動維持部材１８として、軸受部材を用いてもよい。以下、回動維持部材１８として軸受部材を備える塗料塗布装置１０Ａについて、主に図２を用いて説明する。図２は、本実施形態にかかる塗料塗布装置１０Ａの概略構成図である。 In the above-described embodiment, the case where a weight is used as the rotation maintaining member 18 has been described, but the present invention is not limited to such a form. That is, a bearing member may be used as the rotation maintaining member 18. Hereinafter, the coating material application apparatus 10A provided with a bearing member as the rotation maintaining member 18 will be described mainly with reference to FIG. FIG. 2 is a schematic configuration diagram of a coating material application apparatus 10A according to the present embodiment.
図２に示すように、本実施形態にかかる塗料塗布装置１０Ａが備える余剰塗料除去部は、回動維持部材１８として軸受部材を用い、走行線１１がダイス１３内を通過する際、回動維持部材１８がダイス１３とダイスホルダ１７とによって挟まれるように設けられている点が、上述した実施形態と異なる。その他は、上述した実施形態と同様である。 As shown in FIG. 2, the surplus paint removing unit provided in the paint coating apparatus 10 </ b> A according to the present embodiment uses a bearing member as the rotation maintaining member 18, and maintains the rotation when the travel line 11 passes through the die 13. The point from which the member 18 is provided so that it may be pinched | interposed by the dice | dies 13 and the dice holder 17 differs from embodiment mentioned above. Others are the same as in the above-described embodiment.
本実施形態にかかる塗料塗布装置１０Ａが備える余剰塗料除去部では、回動維持部材１８が、ダイス１３とダイスホルダ１７とによって挟まれるように設けられている。すなわち、余剰塗料除去部では、走行線１１の走行路の下流側から順に、ダイス１３と、回動維持部材１８と、ダイスホルダ１７とが設けられている。また、回動維持部材１８として、例えばスラストベアリング等の軸受部材を用いている。なお、本実施形態では、ダイス１３に係止部１５，１６は設けられていなくてもよい。 In the surplus paint removing unit provided in the paint coating apparatus 10 </ b> A according to the present embodiment, the rotation maintaining member 18 is provided so as to be sandwiched between the die 13 and the die holder 17. That is, in the surplus paint removing unit, a die 13, a rotation maintaining member 18, and a die holder 17 are provided in order from the downstream side of the travel path of the travel line 11. Further, as the rotation maintaining member 18, for example, a bearing member such as a thrust bearing is used. In the present embodiment, the locking portions 15 and 16 may not be provided on the die 13.
これにより、走行線１１がダイス１３を通過する際、ダイス１３がダイスホルダ１７側に移動し、回動維持部材１８を介して、ダイス１３がダイスホルダ１７に強固に押し付けられた場合であっても、ダイス１３は、回動維持部材１８である軸受部材によって、走行線１１の周方向へ回動自在に軸支されている。従って、走行線１１の走行位置がズレたり、走行線１１に捻じれが発生した場合であっても、走行線１１がダイス１３に設けられた貫通孔１４の出口の中心位置を通過するように、ダイス１３を走行線１１の動きに追従させることができる。その結果、走行線１１の周囲に塗布された塗料を均一な厚さに調整することができる。 Thereby, when the traveling line 11 passes through the die 13, even if the die 13 moves to the die holder 17 side and the die 13 is firmly pressed against the die holder 17 via the rotation maintaining member 18, The die 13 is pivotally supported by a bearing member which is a rotation maintaining member 18 so as to be rotatable in the circumferential direction of the travel line 11. Therefore, even if the travel position of the travel line 11 is shifted or the travel line 11 is twisted, the travel line 11 passes through the center position of the outlet of the through hole 14 provided in the die 13. The die 13 can be made to follow the movement of the travel line 11. As a result, the paint applied around the running line 11 can be adjusted to a uniform thickness.
次に、本発明の実施例について説明するが、本発明はこれらの実施例に限定されるものではない。 Next, examples of the present invention will be described, but the present invention is not limited to these examples.
（実施例１）
実施例１では、回動維持部材１８として錘が設けられた塗料塗布装置１０を用い、断面形状が平角形状の銅線１１Ａの周囲に熱硬化性樹脂を被覆して塗料層２２を形成し、図３に示すような平角エナメル線（１．９ｍｍ×３．０ｍｍ、Ｒ０．３）を製作した。これを実施例１の試料とした。そして、製作した実施例１の試料である平角エナメル線を１０００ｍ毎に切断し、１１個のサンプルを切り出した。そして、１１個の各サンプルの切断面につき、塗料層２２の厚さ（皮膜厚さ）を測定した。その結果を、図４に示す。図４から、実施例１の試料では、バラツキ（塗料層２２の厚さの最大値と最小値との差）は０．００７ｍｍであることが確認された。従って、実施例１の試料では、走行線１１である銅線１１Ａの周囲にほぼ均一な厚さの塗料層２２が形成されていることが確認された。すなわち、実施例１では、走行線の周囲に均一に塗料を塗布できることが確認された。
Example 1
In Example 1, the coating material application device 10 provided with a weight as the rotation maintaining member 18 is used, and the coating layer 22 is formed by coating a thermosetting resin around the copper wire 11A having a flat cross section. A flat enameled wire (1.9 mm × 3.0 mm, R0.3) as shown in FIG. 3 was produced. This was used as the sample of Example 1. And the flat enamel wire which is the sample of manufactured Example 1 was cut | disconnected every 1000 m, and 11 samples were cut out. And the thickness (film thickness) of the coating layer 22 was measured for the cut surfaces of each of the 11 samples. The result is shown in FIG. From FIG. 4, it was confirmed that in the sample of Example 1, the variation (difference between the maximum value and the minimum value of the thickness of the coating layer 22) was 0.007 mm. Therefore, in the sample of Example 1, it was confirmed that the coating layer 22 having a substantially uniform thickness was formed around the copper wire 11 </ b> A that is the running line 11. That is, in Example 1, it was confirmed that the paint can be uniformly applied around the running line.
また、実施例１の試料から、１０００ｃｍの長さのサンプルを切り出した。そして、切り出したサンプルの切断面の塗料層２２の厚さ（皮膜厚さ）を、コンフォーカル顕微鏡にてサンプルの長さ方向に連続的に測定した。その結果を図５に示す。図５から、実施例１の試料では、切断面で同一箇所の長さ方向における塗料層２２の厚さのバラツキは６μｍ程度であることが確認された。従って、実施例１の試料では、走行線の長さ方向にも均一な厚さの塗料層２２が形成されていることが確認された。 In addition, a sample having a length of 1000 cm was cut out from the sample of Example 1. Then, the thickness (film thickness) of the paint layer 22 on the cut surface of the cut sample was continuously measured in the length direction of the sample with a confocal microscope. The result is shown in FIG. From FIG. 5, in the sample of Example 1, it was confirmed that the variation in the thickness of the coating layer 22 in the length direction of the same location on the cut surface is about 6 μm. Therefore, in the sample of Example 1, it was confirmed that the coating layer 22 having a uniform thickness was formed also in the length direction of the running line.
（実施例２）
実施例２では、回動維持部材１８としてスラストベアリングが設けられた塗料塗布装置１０を用いたことを除くその他の点は、実施例１と同様にして図３に示すような平角エナメル線を製作した。これを実施例２の試料とした。実施例２の試料から、１０００ｃｍの長さのサンプルを切り出した。そして、切り出したサンプルの切断面の塗料層２２の厚さ（皮膜厚さ）を、コンフォーカル顕微鏡にてサンプルの長さ方向に連続的に測定した。その結果を図６に示す。図６から、実施例２の試料では、切断面で同一箇所の長さ方向における塗料層２２の厚さのバラツキは７μｍ程度であることが確認された。従って、実施例２の試料では、走行線の長さ方向にも均一な厚さの塗料層２２が形成されていることが確認された。また、回動維持部材１８として軸受部材を用いた方が、錘を用いた場合と比べて、ダイス１３の追従性をより向上させることができ、走行線１１の周囲により均一に塗料を塗布できることが確認できた。
(Example 2)
In the second embodiment, a rectangular enameled wire as shown in FIG. 3 is manufactured in the same manner as in the first embodiment except that the paint applying apparatus 10 provided with a thrust bearing is used as the rotation maintaining member 18. did. This was used as the sample of Example 2. A sample having a length of 1000 cm was cut out from the sample of Example 2. Then, the thickness (film thickness) of the paint layer 22 on the cut surface of the cut sample was continuously measured in the length direction of the sample with a confocal microscope. The result is shown in FIG. From FIG. 6, it was confirmed that in the sample of Example 2, the variation in the thickness of the coating layer 22 in the length direction of the same location on the cut surface was about 7 μm. Therefore, in the sample of Example 2, it was confirmed that the coating layer 22 having a uniform thickness was formed also in the length direction of the running line. Further, the use of the bearing member as the rotation maintaining member 18 can improve the followability of the die 13 more than the case where the weight is used, and the paint can be applied more uniformly around the running line 11. Was confirmed.
（比較例）
比較例では、回動維持部材１８が設けられていない塗料塗布装置を用いたことを除くその他の点は、実施例１と同様にして図３に示すような平角エナメル線を製作した。これを比較例の試料とした。そして、製作した比較例の試料である平角エナメル線を１０００ｍ毎に切断し、１１個のサンプルを切り出した。そして、１１個の各サンプルの断面につき、塗料層２２の厚さ（皮膜厚さ）を測定した。その結果を、図７に示す。図７から、比較例の試料では、バラツキは０．０１３ｍｍであることが確認された。従って、比較例の試料では、走行線１１である銅線の周囲に形成される塗料層の厚さが、実施例で製作した平角エナメル線の塗料層２２の厚さよりもバラツキが大きく、均一な厚さの塗料層２２が形成されていないことが確認された。すなわち、比較例では、走行線の周囲に均一に塗料を塗布することが難しいことが確認された。
(Comparative example)
In the comparative example, a flat enameled wire as shown in FIG. 3 was produced in the same manner as in Example 1 except that a paint coating apparatus without the rotation maintaining member 18 was used. This was used as a sample for comparison. And the square enamel wire which is the sample of the manufactured comparative example was cut every 1000 m, and 11 samples were cut out. And the thickness (film | membrane thickness) of the coating layer 22 was measured about the cross section of each of 11 samples. The result is shown in FIG. From FIG. 7, it was confirmed that the variation was 0.013 mm in the sample of the comparative example. Therefore, in the sample of the comparative example, the thickness of the coating layer formed around the copper wire that is the running line 11 is larger and more uniform than the thickness of the coating layer 22 of the flat enameled wire manufactured in the example. It was confirmed that the coating layer 22 having a thickness was not formed. That is, in the comparative example, it was confirmed that it was difficult to apply the paint uniformly around the running line.
１０ 塗料塗布装置
１１ 走行線
１２ 塗料槽（塗布部）
１３ ダイス（金型）
１７ ダイスホルダ（保持部材）
１８ 回動維持部材
10 Coating Device 11 Traveling Line 12 Paint Tank (Applicator)
13 Dice
17 Die holder (holding member)
18 Rotation maintaining member
Claims (6)
前記走行線の走行路上に移動可能に設けられ、前記走行線を通過させることで前記走行線の周囲に余剰に塗布された前記塗料を除去する金型、前記金型を保持する保持部材、及び前記金型の前記走行線の周方向への回動を維持する回動維持部材を有する余剰塗料除去部と、を備える
ことを特徴とする塗料塗布装置。 An application part for applying paint around the running line;
A mold which is movably provided on a travel path of the travel line and removes the paint applied excessively around the travel line by passing the travel line; a holding member which holds the mold; and And a surplus paint removing unit having a rotation maintaining member that maintains the rotation of the mold in the circumferential direction of the travel line.
前記保持部材は、前記金型の前記係止部に係止するように設けられており、
前記回動維持部材は、前記走行線の走行路上の前記金型より下流側に設けられている
ことを特徴とする請求項１に記載の塗料塗布装置。 The mold is provided with a locking portion that is locked to the holding member,
The holding member is provided to be locked to the locking portion of the mold,
The paint application device according to claim 1, wherein the rotation maintaining member is provided on the downstream side of the mold on the travel path of the travel line.
ことを特徴とする請求項２に記載の塗料塗布装置。 The paint application apparatus according to claim 2, wherein the rotation maintaining member is a weight.
前記回動維持部材は、前記走行線の周方向に回転可能な軸受部材である
ことを特徴とする請求項１に記載の塗料塗布装置。 The rotation maintaining member is provided so as to be sandwiched between the mold and the holding member when the travel line passes through the mold.
The paint application apparatus according to claim 1, wherein the rotation maintaining member is a bearing member that is rotatable in a circumferential direction of the travel line.
前記走行線の走行路上に移動可能に設けられ、前記走行線の周方向への回動を維持する回動維持部材が設けられた金型に前記走行線を通過させることで、前記走行線の周囲に余剰に塗布された前記塗料を除去する工程と、を有する
ことを特徴とする塗料塗布方法。 An application process for applying paint around the running line at the application part;
By passing the travel line through a mold provided movably on the travel path of the travel line and provided with a rotation maintaining member for maintaining the rotation of the travel line in the circumferential direction, And a step of removing the paint applied excessively to the surroundings.
前記走行線の走行路上に移動可能に設けられ、前記走行線の周方向への回動を維持する回動維持部材が設けられた金型に前記走行線を通過させることで、前記走行線の周囲に余剰に塗布された前記塗料を除去する工程と、
前記走行線を硬化部に送り、前記塗料を硬化させる工程と、を有する
ことを特徴とするエナメル線の製造方法。 Applying paint around the running line at the application section;
By passing the travel line through a mold provided movably on the travel path of the travel line and provided with a rotation maintaining member for maintaining the rotation of the travel line in the circumferential direction, Removing the paint applied excessively to the surroundings;
And a step of sending the travel line to a curing unit and curing the coating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013012557A JP6160091B2 (en) | 2013-01-25 | 2013-01-25 | Paint coating apparatus, paint coating method, and enameled wire manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105895273A (en) * | 2016-06-08 | 2016-08-24 | 江苏亨通电力特种导线有限公司 | Mechanical oil coating device of high-corrosion resistant overhead power transmission wire |
| CN108986995A (en) * | 2017-05-30 | 2018-12-11 | 日立金属株式会社 | Band core-regulating mechanism mold, enameled wire manufacturing device and enameled wire manufacturing method |
| CN114496417A (en) * | 2022-02-28 | 2022-05-13 | 先登高科电气有限公司 | Painting process of enameled wire and vertical suspension mold |
| CN115502050A (en) * | 2022-08-24 | 2022-12-23 | 浙江联杰科技有限公司 | Automatic coating tool and coating method for cable protection layer |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6516107B2 (en) * | 2017-06-07 | 2019-05-22 | 日立金属株式会社 | Coating apparatus, coating method and method of producing enameled wire |
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| JPH0515227U (en) * | 1991-08-02 | 1993-02-26 | 昭和電線電纜株式会社 | Varnishing die |
| JP2013232378A (en) * | 2012-05-02 | 2013-11-14 | Sumitomo Electric Wintec Inc | Die with bearing, apparatus for manufacturing insulated wire, and method for manufacturing insulated wire |
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| JPS5948773U (en) * | 1982-09-22 | 1984-03-31 | 昭和電線電纜株式会社 | paint coating equipment |
| JPH0515227U (en) * | 1991-08-02 | 1993-02-26 | 昭和電線電纜株式会社 | Varnishing die |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105895273A (en) * | 2016-06-08 | 2016-08-24 | 江苏亨通电力特种导线有限公司 | Mechanical oil coating device of high-corrosion resistant overhead power transmission wire |
| CN108986995A (en) * | 2017-05-30 | 2018-12-11 | 日立金属株式会社 | Band core-regulating mechanism mold, enameled wire manufacturing device and enameled wire manufacturing method |
| JP2018206491A (en) * | 2017-05-30 | 2018-12-27 | 日立金属株式会社 | Die with alignment mechanism, manufacturing installation of enameled wire and manufacturing method of enameled wire |
| US10603832B2 (en) | 2017-05-30 | 2020-03-31 | Hitachi Metals, Ltd. | Die with aligning mechanism, and manufacturing device and method for enameled wire |
| CN114496417A (en) * | 2022-02-28 | 2022-05-13 | 先登高科电气有限公司 | Painting process of enameled wire and vertical suspension mold |
| CN115502050A (en) * | 2022-08-24 | 2022-12-23 | 浙江联杰科技有限公司 | Automatic coating tool and coating method for cable protection layer |
| CN115502050B (en) * | 2022-08-24 | 2023-12-19 | 浙江联杰科技有限公司 | Automatic coating tool for cable protection layer and coating method thereof |
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