JP2016062681A - Induction heating roller device - Google Patents
Induction heating roller device Download PDFInfo
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- JP2016062681A JP2016062681A JP2014187644A JP2014187644A JP2016062681A JP 2016062681 A JP2016062681 A JP 2016062681A JP 2014187644 A JP2014187644 A JP 2014187644A JP 2014187644 A JP2014187644 A JP 2014187644A JP 2016062681 A JP2016062681 A JP 2016062681A
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- roller body
- secondary conductor
- induction heating
- roller
- induction
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- 230000006698 induction Effects 0.000 title claims abstract description 36
- 238000010438 heat treatment Methods 0.000 title claims abstract description 24
- 239000004020 conductor Substances 0.000 claims abstract description 63
- 230000002093 peripheral effect Effects 0.000 claims abstract description 22
- 238000003466 welding Methods 0.000 claims abstract description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000004907 flux Effects 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000000109 continuous material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Landscapes
- Rolls And Other Rotary Bodies (AREA)
- General Induction Heating (AREA)
Abstract
Description
本発明は、誘導発熱ローラ装置に関し、特に二次導体が設けられたローラ本体に関するものである。 The present invention relates to an induction heating roller device, and more particularly to a roller body provided with a secondary conductor.
この種の誘導発熱ローラ装置としては、特許文献１に示すように、ローラ本体と当該ローラ本体内に設けられた誘導発熱機構とを有し、ローラ本体の内側周面に二次導体を設けることにより、力率を改善させるものが考えられている。 As this type of induction heating roller device, as shown in Patent Document 1, it has a roller body and an induction heating mechanism provided in the roller body, and a secondary conductor is provided on the inner peripheral surface of the roller body. Therefore, it is considered that the power factor is improved.
そして、従来の二次導体のローラ本体への取り付け方法は、以下のとおりである。
まず、銅板を曲げ加工した後に銀ロー付けなどで接合することによって円筒状の管体を成形する（管体成形工程）。このように製作された円筒状の管体を、ローラ本体に圧入又は焼き嵌めによって装着する（管体装着工程）。これによって、ローラ本体の内側周面に二次導体が取り付けられる。
And the attachment method to the roller main body of the conventional secondary conductor is as follows.
First, after bending a copper plate, it joins by silver brazing etc. and a cylindrical pipe body is shape | molded (tube body formation process). The cylindrical tube body manufactured in this way is mounted on the roller body by press fitting or shrink fitting (tube body mounting step). As a result, the secondary conductor is attached to the inner peripheral surface of the roller body.
しかしながら、従来の取り付け方法では、円筒状の二次導体を製作する手間や、その二次導体をローラ本体に装着する手間が大掛かりであり、二次導体の取り付け作業に時間がかかってしまう。 However, in the conventional attachment method, it takes a lot of time to manufacture the cylindrical secondary conductor and to attach the secondary conductor to the roller body, and it takes time to attach the secondary conductor.
また、圧入や焼き嵌めなどの取り付け方法では、ローラ本体と二次導体とが単に機械的に密着しているだけであり、ローラ本体と二次導体との熱膨張率の差により緩んでしまい、また、ローラ本体と二次導体との間での熱伝導性が低下してしまうという問題がある。 In addition, in the mounting method such as press fitting and shrink fitting, the roller body and the secondary conductor are merely mechanically in close contact with each other, and loosened due to the difference in coefficient of thermal expansion between the roller body and the secondary conductor, Further, there is a problem that the thermal conductivity between the roller body and the secondary conductor is lowered.
そこで本発明は、上記問題点を解決すべくなされたものであり、ローラ本体の内側周面への二次導体の取り付け作業を容易にするとともに、ローラ本体と二次導体との密着性を向上させることをその主たる課題とするものである。 Accordingly, the present invention has been made to solve the above-described problems, and facilitates the attaching work of the secondary conductor to the inner peripheral surface of the roller body and improves the adhesion between the roller body and the secondary conductor. The main issue is to make it happen.
すなわち本発明に係る誘導発熱ローラ装置は、回転自在に支持されたローラ本体と、前記ローラ本体の内部に設けられ、前記ローラ本体を誘導発熱させる誘導コイルを有する誘導発熱機構とを備える誘導発熱ローラ装置であって、前記ローラ本体の内側周面に、肉盛溶接により二次導体が形成されていることを特徴とする。 That is, an induction heat roller device according to the present invention includes a roller main body that is rotatably supported, and an induction heat generation roller that is provided inside the roller main body and has an induction coil mechanism that induces heat generation of the roller main body. The apparatus is characterized in that a secondary conductor is formed on the inner peripheral surface of the roller body by overlay welding.
このようなものであれば、肉盛溶接により二次導体を形成しているので、従来の管体成形工程及び管体装着工程を省略することができ、二次導体の取り付け作業を大幅に短縮することができる。また、肉盛溶接するだけで良く、ローラ本体の内側周面への二次導体の取り付け作業を容易にすることができる。さらに、肉盛溶接により二次導体を形成しているので、ローラ本体と二次導体とが一体となり、ローラ本体と二次導体との熱膨張率の差による緩みが無く、ローラ本体と二次導体との間の熱伝導性の低下も抑えることができる。 In such a case, since the secondary conductor is formed by overlay welding, the conventional tube forming process and tube mounting process can be omitted, and the installation work of the secondary conductor is greatly shortened. can do. Moreover, it is only necessary to perform overlay welding, and the attachment work of the secondary conductor to the inner peripheral surface of the roller body can be facilitated. Furthermore, since the secondary conductor is formed by overlay welding, the roller body and the secondary conductor are integrated, there is no loosening due to the difference in thermal expansion coefficient between the roller body and the secondary conductor, and the roller body and the secondary conductor A decrease in thermal conductivity with the conductor can also be suppressed.
前記二次導体が、前記ローラ本体の回転軸方向に沿って螺旋状に形成されていることが望ましい。このとき、前記二次導体のピッチが、前記ローラ本体の回転軸方向において変化していることが望ましい。
このように螺旋状に二次導体を形成しているので、二次導体のピッチを調整することで、誘導発熱ローラ装置の力率を改善しつつ、電気特性（容量）を自在にコントロールすることができる。
It is desirable that the secondary conductor is formed in a spiral shape along the rotation axis direction of the roller body. At this time, it is desirable that the pitch of the secondary conductor is changed in the direction of the rotation axis of the roller body.
Since the secondary conductor is spirally formed in this way, the electrical characteristics (capacity) can be freely controlled while improving the power factor of the induction heating roller device by adjusting the pitch of the secondary conductor. Can do.
前記二次導体が、非鉄金属の高導電性材料からなることが望ましい。具体的には、前記二次導体が、銅又は銅合金からなることが望ましい。 The secondary conductor is preferably made of a non-ferrous metal highly conductive material. Specifically, it is desirable that the secondary conductor is made of copper or a copper alloy.
このように構成した本発明によれば、ローラ本体の内側周面に肉盛溶接により二次導体を形成しているので、ローラ本体の内側周面への二次導体の取り付け作業を容易にするとともに、ローラ本体と二次導体との密着性を向上させることができる。 According to the present invention configured as described above, since the secondary conductor is formed on the inner peripheral surface of the roller body by overlay welding, it is easy to attach the secondary conductor to the inner peripheral surface of the roller body. In addition, the adhesion between the roller body and the secondary conductor can be improved.
以下に本発明に係る誘導発熱ローラ装置の一実施形態について図面を参照して説明する。 Hereinafter, an embodiment of an induction heat roller device according to the present invention will be described with reference to the drawings.
本実施形態に係る誘導発熱ローラ装置１００は、例えばプラスチックフィルム、紙、布、不織布、合成繊維、金属箔等のシート材又はウェブ材、線（糸）材等の連続材の連続熱処理工程等において用いられるものである。 The induction heating roller device 100 according to the present embodiment is, for example, in a continuous heat treatment process of a continuous material such as a sheet material such as a plastic film, paper, cloth, nonwoven fabric, synthetic fiber, and metal foil, a web material, and a wire (thread) material. It is used.
＜１．装置構成＞
具体的にこのものは、図１に示すように、回転自在に支持された中空円筒状のローラ本体２と、このローラ本体２の内部に設けられた誘導発熱機構３とを備えている。
<1. Device configuration>
Specifically, as shown in FIG. 1, this includes a hollow cylindrical roller body 2 that is rotatably supported, and an induction heating mechanism 3 provided inside the roller body 2.
ローラ本体２の両端部には中空の駆動軸２１が設けられており、当該駆動軸２１は、転がり軸受等の軸受８を介して機台９に回転自在に支持されている。なお、駆動軸２１は、ローラ本体２の軸方向端面に接続されるフランジ２１１を有している（図２参照）。そして、ローラ本体２は、例えばモータ等の回転駆動機構（不図示）により外部から与えられる駆動力によって回転されるように構成されている。また、本実施形態のローラ本体２の側周壁２０１には、長手方向（回転軸方向）に延びる気液二相の熱媒体を封入するジャケット室２Ａが、周方向に複数且つ等間隔に形成されている。 Hollow drive shafts 21 are provided at both ends of the roller body 2, and the drive shafts 21 are rotatably supported by the machine base 9 via bearings 8 such as rolling bearings. The drive shaft 21 has a flange 211 connected to the axial end surface of the roller body 2 (see FIG. 2). The roller body 2 is configured to be rotated by a driving force applied from the outside by a rotation driving mechanism (not shown) such as a motor. Further, a plurality of jacket chambers 2A for enclosing a gas-liquid two-phase heat medium extending in the longitudinal direction (rotational axis direction) are formed at equal intervals in the circumferential direction on the side peripheral wall 201 of the roller body 2 of the present embodiment. ing.
誘導発熱機構３は、円筒形状をなす円筒状鉄心３１と、当該円筒状鉄心３１の外側周面に巻装された誘導コイル３２とを備えている。 The induction heating mechanism 3 includes a cylindrical iron core 31 having a cylindrical shape, and an induction coil 32 wound around the outer peripheral surface of the cylindrical iron core 31.
円筒状鉄心３１の両端部には支持軸３３が設けられており、当該支持軸３３は、それぞれ駆動軸２１の内部に挿通されて、転がり軸受等の軸受１０を介して駆動軸２１に回転自在に支持されている。これにより、誘導発熱機構３は、回転するローラ本体２の内部において、機台９（固定側）に対して静止状態に保持される。 Support shafts 33 are provided at both ends of the cylindrical iron core 31, and the support shafts 33 are inserted into the drive shafts 21, respectively, and can freely rotate to the drive shaft 21 via a bearing 10 such as a rolling bearing. It is supported by. As a result, the induction heating mechanism 3 is held stationary with respect to the machine base 9 (fixed side) inside the rotating roller body 2.
また、誘導コイル３２には、外部リード線Ｌ１が接続されており、この外部リード線Ｌ１には、交流電圧などを印加するための電源回路５が接続されている。 An external lead wire L1 is connected to the induction coil 32, and a power supply circuit 5 for applying an alternating voltage or the like is connected to the external lead wire L1.
このような誘導発熱機構３により、誘導コイル３２に交流電圧が印加されると交番磁束が発生し、その交番磁束はローラ本体２の側周壁２０１を通過する。この通過によりローラ本体２に誘導電流が発生し、その誘導電流でローラ本体２はジュール発熱する。また、ジャケット室２Ａにより、ローラ本体２の側周壁２０１の回転軸方向の温度分布が均一となる。 By such an induction heating mechanism 3, an alternating magnetic flux is generated when an AC voltage is applied to the induction coil 32, and the alternating magnetic flux passes through the side peripheral wall 201 of the roller body 2. This passage generates an induced current in the roller body 2, and the roller body 2 generates Joule heat by the induced current. Further, the jacket chamber 2A makes the temperature distribution in the direction of the rotation axis of the side peripheral wall 201 of the roller body 2 uniform.
しかして本実施形態のローラ本体２の内側周面には、肉盛溶接により二次導体４が形成されている。ここで、二次導体４の材質（肉盛材料）は、非鉄金属の高導電性材料であり、具体的には、銅又は銅合金である。 Thus, the secondary conductor 4 is formed on the inner peripheral surface of the roller body 2 of the present embodiment by overlay welding. Here, the material (building material) of the secondary conductor 4 is a non-ferrous metal highly conductive material, specifically copper or a copper alloy.
具体的には、二次導体４が、ローラ本体２の内側周面２０１ａにおいて周方向全体に亘って形成されるとともに、ローラ本体２の回転軸方向に沿って連続的に螺旋状に形成されている。 Specifically, the secondary conductor 4 is formed on the inner peripheral surface 201a of the roller body 2 over the entire circumferential direction, and is continuously formed in a spiral shape along the rotation axis direction of the roller body 2. Yes.
ここで、螺旋状に形成された二次導体４のピッチを、ローラ本体２の回転軸方向において変化させることができる。より詳細には、誘導発熱ローラ装置１００の力率を改善しつつ、回転軸方向において所望の電気特性（容量）を示すように、二次導体４のピッチを調整することができる。 Here, the pitch of the secondary conductor 4 formed in a spiral shape can be changed in the rotation axis direction of the roller body 2. More specifically, the pitch of the secondary conductor 4 can be adjusted so as to exhibit desired electrical characteristics (capacity) in the direction of the rotation axis while improving the power factor of the induction heating roller device 100.
次に、ローラ本体２の内側周面２０１ａに二次導体４を形成する肉盛溶接作業の一例について説明する。
ローラ本体２を回転させる回転装置１１にローラ本体２を装着する。この状態のローラ本体２の内部に溶接トーチ１２を挿入して、回転装置１１によりローラ本体２を回転させながら、ローラ本体２に対して溶接トーチ１２を回転軸方向に相対移動させることによって、螺旋状の二次導体４がローラ本体２の内側周面２０１ａに形成される。この肉盛溶接において、ローラ本体２の予熱などの溶接前処理条件、溶接ワイヤのサイズ及び材質、トーチ角度、トーチ位置、電圧、電流、ローラ本体２の回転速度、溶接トーチ１２の移動速度（引きピッチ）などの溶接条件、ローラ本体２の後熱などの溶接後処理条件を適宜設定することによって、種々の二次導体４を形成することができる。
Next, an example of the overlay welding operation for forming the secondary conductor 4 on the inner peripheral surface 201a of the roller body 2 will be described.
The roller body 2 is mounted on a rotating device 11 that rotates the roller body 2. By inserting the welding torch 12 into the roller body 2 in this state and rotating the roller body 2 by the rotating device 11 while moving the welding torch 12 relative to the roller body 2 in the direction of the rotation axis, A secondary conductor 4 is formed on the inner peripheral surface 201 a of the roller body 2. In this build-up welding, welding pretreatment conditions such as preheating of the roller body 2, welding wire size and material, torch angle, torch position, voltage, current, rotation speed of the roller body 2, moving speed of the welding torch 12 (pulling) Various secondary conductors 4 can be formed by appropriately setting welding conditions such as pitch) and post-welding processing conditions such as post-heating of the roller body 2.
＜２．本実施形態の効果＞
このように構成した誘導発熱ローラ装置１００によれば、肉盛溶接により二次導体４を形成しているので、従来の管体成形工程及び管体装着工程を省略することができ、二次導体４の取り付け作業を大幅に短縮することができる。また、肉盛溶接するだけで良く、ローラ本体２の内側周面２０１ａへの二次導体４の取り付け作業を容易にすることができる。さらに、肉盛溶接により二次導体４を形成しているので、ローラ本体２と二次導体４とが一体となり、ローラ本体２と二次導体４との熱膨張率の差による緩みが無く、ローラ本体２と二次導体４との間の熱伝導性の低下も抑えることができる。
<2. Effects of this embodiment>
According to the induction heating roller device 100 configured as described above, since the secondary conductor 4 is formed by overlay welding, the conventional tube forming step and tube mounting step can be omitted, and the secondary conductor can be omitted. 4 can be greatly shortened. Moreover, it is only necessary to perform overlay welding, and the attachment work of the secondary conductor 4 to the inner peripheral surface 201a of the roller body 2 can be facilitated. Furthermore, since the secondary conductor 4 is formed by overlay welding, the roller body 2 and the secondary conductor 4 are integrated, and there is no loosening due to the difference in coefficient of thermal expansion between the roller body 2 and the secondary conductor 4, A decrease in thermal conductivity between the roller body 2 and the secondary conductor 4 can also be suppressed.
＜３．本発明の変形実施形態＞
なお、本発明は前記実施形態に限られるものではない。
<3. Modified Embodiment of the Present Invention>
The present invention is not limited to the above embodiment.
例えば、二次導体は、互いに隣接する溶接部が離間するように螺旋状に形成されたものの他、互いに隣接する溶接部が接触して連続するように螺旋状に形成されたものであっても良い。また、螺旋状に形成された二次導体は、回転軸方向において等ピッチとなるように形成されたものであっても良い。 For example, the secondary conductor may be formed in a spiral shape so that adjacent welds are separated from each other, or may be formed in a spiral shape so that adjacent welds are in contact with each other. good. Further, the secondary conductor formed in a spiral shape may be formed so as to have an equal pitch in the rotation axis direction.
さらに、二次導体は、ローラ本体の内側周面に螺旋状に形成されたものの他、ローラ本体の内側周面に円環状に形成されており、ローラ本体の回転軸方向に間欠的又は連続的に複数形成されたものであっても良い。 Further, the secondary conductor is formed in an annular shape on the inner peripheral surface of the roller body in addition to the spiral conductor formed on the inner peripheral surface of the roller body, and intermittently or continuously in the direction of the rotation axis of the roller body. A plurality of them may be formed.
その他、本発明は前記実施形態に限られず、その趣旨を逸脱しない範囲で種々の変形が可能であるのは言うまでもない。 In addition, it goes without saying that the present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the spirit of the present invention.
１００・・・誘導発熱ローラ装置
２・・・ローラ本体
２０１ａ・・・内側周面
３・・・誘導発熱機構
３２・・・誘導コイル
４・・・二次導体
DESCRIPTION OF SYMBOLS 100 ... Induction heating roller apparatus 2 ... Roller main body 201a ... Inner peripheral surface 3 ... Induction heating mechanism 32 ... Induction coil 4 ... Secondary conductor
Claims (5)
前記ローラ本体の内側周面に、肉盛溶接により二次導体が形成されていることを特徴とする誘導発熱ローラ装置。 An induction heating roller device comprising: a roller body rotatably supported; and an induction heating mechanism provided inside the roller body and having an induction coil for induction heating of the roller body,
An induction heat roller device, wherein a secondary conductor is formed on the inner peripheral surface of the roller body by overlay welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014187644A JP6765166B2 (en) | 2014-09-16 | 2014-09-16 | Induction heating roller device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014187644A JP6765166B2 (en) | 2014-09-16 | 2014-09-16 | Induction heating roller device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2016062681A true JP2016062681A (en) | 2016-04-25 |
| JP6765166B2 JP6765166B2 (en) | 2020-10-07 |
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| JP2014187644A Active JP6765166B2 (en) | 2014-09-16 | 2014-09-16 | Induction heating roller device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3484246A1 (en) * | 2017-11-13 | 2019-05-15 | Tokuden Co., Ltd. | Induction heated roll apparatus |
| EP3484245A1 (en) * | 2017-11-13 | 2019-05-15 | Tokuden Co., Ltd. | Induction heated roll apparatus |
| JP2019091681A (en) * | 2017-11-13 | 2019-06-13 | トクデン株式会社 | Induction heating roller device |
| JP2019091680A (en) * | 2017-11-13 | 2019-06-13 | トクデン株式会社 | Induction heating roller device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP3484246A1 (en) * | 2017-11-13 | 2019-05-15 | Tokuden Co., Ltd. | Induction heated roll apparatus |
| EP3484245A1 (en) * | 2017-11-13 | 2019-05-15 | Tokuden Co., Ltd. | Induction heated roll apparatus |
| CN109788593A (en) * | 2017-11-13 | 2019-05-21 | 特电株式会社 | Incude heat generation roller device |
| CN109788594A (en) * | 2017-11-13 | 2019-05-21 | 特电株式会社 | Incude heat generation roller device |
| KR20190054960A (en) * | 2017-11-13 | 2019-05-22 | 토쿠덴 가부시기가이샤 | Induction Heated Roll Apparatus |
| JP2019091681A (en) * | 2017-11-13 | 2019-06-13 | トクデン株式会社 | Induction heating roller device |
| JP2019091680A (en) * | 2017-11-13 | 2019-06-13 | トクデン株式会社 | Induction heating roller device |
| US10999900B2 (en) * | 2017-11-13 | 2021-05-04 | Tokuden Co., Ltd. | Induction heated roll apparatus |
| JP7213525B2 (en) | 2017-11-13 | 2023-01-27 | トクデン株式会社 | Induction heating roller device |
| JP7261438B2 (en) | 2017-11-13 | 2023-04-20 | トクデン株式会社 | Induction heating roller device |
| TWI799466B (en) * | 2017-11-13 | 2023-04-21 | 日商特電股份有限公司 | Induction heated roll apparatus |
| KR102602587B1 (en) * | 2017-11-13 | 2023-11-16 | 토쿠덴 가부시기가이샤 | Induction Heated Roll Apparatus |
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