JP2002361728A - Method and apparatus for shaping resin pipe - Google Patents
Method and apparatus for shaping resin pipeInfo
- Publication number
- JP2002361728A JP2002361728A JP2001173570A JP2001173570A JP2002361728A JP 2002361728 A JP2002361728 A JP 2002361728A JP 2001173570 A JP2001173570 A JP 2001173570A JP 2001173570 A JP2001173570 A JP 2001173570A JP 2002361728 A JP2002361728 A JP 2002361728A
- Authority
- JP
- Japan
- Prior art keywords
- resin pipe
- heating
- shaping
- pipe
- heated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、例えば金属パイプ等に
代えて使用される所定形状の樹脂パイプの整形装置及び
整形方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus and a method for shaping a resin pipe having a predetermined shape used in place of, for example, a metal pipe.
【０００２】[0002]
【従来の技術】一般的に、例えば燃料供給用のパイプと
しては、強度的な面や安全上の観点から金属パイプが使
用されているが、近年、強度的に強い樹脂が開発された
ことや製品の軽量化等の目的で、金属パイプに代えて樹
脂パイプを使用する試みがなされている。この場合、樹
脂パイプを製品の収納場所形態に応じて曲げる等して所
定形状に整形する必要があるが、この整形方法として
は、ヒータやドライヤー、バーナ等の加熱手段で樹脂パ
イプを所定温度まで加熱することによって行っているの
が実状である。2. Description of the Related Art Generally, for example, metal pipes are used as fuel supply pipes from the viewpoint of strength and safety, but in recent years strong resins have been developed. Attempts have been made to use resin pipes instead of metal pipes for the purpose of reducing the weight of products. In this case, it is necessary to bend the resin pipe into a predetermined shape, for example, by bending it in accordance with the storage space of the product. The reality is that heating is performed.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、このよ
うな樹脂パイプの整形方法にあっては、加熱手段として
ヒータやドライヤーあるいはバーナを使用しているた
め、加熱効率が劣って加熱作業時間が長くなる等、整形
に係わるコストがアップし易くなると共に、作業バラツ
キが発生し易く均一加熱が困難で高精度な整形品質が得
られず、製品の収納場所に良好に収納される整形品を安
定して得ることが難しく、かつ作業環境の悪化も招き易
いという問題点を有している。However, in such a method for shaping a resin pipe, since a heater, a dryer or a burner is used as a heating means, the heating efficiency is inferior and the heating operation time is long. In addition to the cost related to shaping, it is easy to increase the cost of shaping, and it is difficult to uniformly heat the work, and high-precision shaping quality cannot be obtained. There is a problem that it is difficult to obtain and that the working environment is likely to deteriorate.
【０００４】本発明は、このような事情に鑑みてなされ
たもので、その目的は、安定した整形品質が容易に得ら
れてコストの低減化を図り得ると共に、作業環境を向上
させ得る樹脂パイプの整形装置及び整形方法を提供する
ことにある。The present invention has been made in view of the above circumstances, and has as its object to provide a resin pipe capable of easily obtaining stable shaping quality, reducing costs, and improving the working environment. It is an object of the present invention to provide a shaping apparatus and a shaping method.
【０００５】[0005]
【課題を解決するための手段】かかる目的を達成すべ
く、本発明のうち請求項１記載の整形装置は、樹脂パイ
プを加熱手段で加熱することにより所定形状に整形する
樹脂パイプの整形装置において、前記加熱手段は、トラ
ンジスタインバータによって誘導加熱される加熱部材を
有し、該加熱部材から発する熱によって樹脂パイプを所
定形状に整形することを特徴とする。そして、この場
合、請求項２記載の発明のように、前記加熱部材が加熱
コイルにより誘導加熱され得る筒状金属部材で形成さ
れ、該筒状金属部材の少なくとも一部が樹脂パイプ内に
嵌挿されることが好ましい。In order to achieve the above object, the present invention provides a resin pipe shaping apparatus for shaping a resin pipe into a predetermined shape by heating the resin pipe with a heating means. The heating means has a heating member that is induction-heated by a transistor inverter, and shapes the resin pipe into a predetermined shape by heat generated from the heating member. In this case, the heating member is formed of a cylindrical metal member that can be induction-heated by a heating coil, and at least a part of the cylindrical metal member is inserted into a resin pipe. Preferably.
【０００６】また、請求項３記載の整形方法は、樹脂パ
イプを加熱手段で加熱することにより所定形状に整形す
る樹脂パイプの整形方法において、前記樹脂パイプ内
に、トランジスタインバータによって誘導加熱される加
熱部材を嵌挿させた後に、該加熱部材から発する熱によ
って樹脂パイプを所定形状に整形することを特徴とす
る。そして、この場合、請求項４記載の発明のように、
前記加熱部材による加熱と略同時もしくは加熱後に、整
形型によって樹脂パイプを所定形状に整形することが好
ましい。According to a third aspect of the present invention, there is provided a resin pipe shaping method for shaping a resin pipe into a predetermined shape by heating the resin pipe with a heating means. After the member is inserted, the resin pipe is shaped into a predetermined shape by heat generated from the heating member. In this case, as in the invention described in claim 4,
It is preferable that the resin pipe is shaped into a predetermined shape by a shaping mold substantially simultaneously with or after heating by the heating member.
【０００７】[0007]
【発明の実施の形態】以下、本発明の実施の形態を図面
に基づいて詳細に説明する。図１は、本発明に係わる整
形装置の一実施例の構成図を示している。図１におい
て、整形装置１は、加熱部材としての金属パイプ２と、
この金属パイプ２の基端部２ａの外周面側に配置された
加熱コイル３と、この加熱コイル３に高周波電流を供給
するトランジスタインバータ４と、金属パイプ２の基端
部２ａ外側にモータ６で回転可能に配置されたファン５
と、モータ６及び前記トランジスタインバータ４を制御
する制御装置７等を有している。Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 shows a configuration diagram of an embodiment of a shaping apparatus according to the present invention. In FIG. 1, a shaping device 1 includes a metal pipe 2 as a heating member,
A heating coil 3 arranged on the outer peripheral surface side of a base end 2a of the metal pipe 2, a transistor inverter 4 for supplying a high-frequency current to the heating coil 3, and a motor 6 provided outside the base end 2a of the metal pipe 2 Fan 5 rotatably arranged
And a control device 7 for controlling the motor 6 and the transistor inverter 4.
【０００８】前記金属パイプ２は、加熱コイル３から発
生する磁束により渦電流が誘起されて発熱する適宜材質
のパイプで形成され、先端面が閉塞された先端部２ｂに
はエアー噴射孔８が軸方向や径方向に列状もしくは千鳥
状に所定数形成され、この先端部２ｂが樹脂パイプ９の
内部孔９ａ内に嵌挿されている。なお、エアー噴射孔８
は、金属パイプ２の先端部２ｂに均等かつ同一内径で形
成してもよいが、例えば特に曲げ角度が大きい部分に多
数のエアー噴射孔８や大きい内径のエアー噴射孔８を設
けて、該部分の加熱温度を他の部分（曲げの少ない部
分）に比較して高めるように設定することもできる。The metal pipe 2 is formed of a pipe made of an appropriate material that generates heat by inducing an eddy current by a magnetic flux generated from the heating coil 3, and has an air injection hole 8 at a tip 2 b having a closed tip. A predetermined number of rows or staggers are formed in the direction or the radial direction, and the tip 2 b is inserted into the internal hole 9 a of the resin pipe 9. In addition, the air injection hole 8
May be formed at the tip 2b of the metal pipe 2 equally and with the same inner diameter. For example, a large number of air injection holes 8 or air injection holes 8 having a large inner diameter are provided in a portion where the bending angle is particularly large. Can be set so that the heating temperature is higher than that of other parts (parts with less bending).
【０００９】前記加熱コイル３は、例えば銅パイプを金
属パイプ２の外形形状に対応するように巻回することに
より形成されて、その両端部がトランジスタインバータ
４に水冷ケーブル１０を介して電気的に接続されると共
に、該インバータ４に付帯して設けた図示しない冷却水
供給装置により、水冷ケーブル１０を介してその銅パイ
プ内に冷却水が循環供給されるように構成されている。
なお、加熱コイル３の形状は、円形のコイル形式であっ
ても良いし馬蹄形式であっても良い。The heating coil 3 is formed, for example, by winding a copper pipe so as to correspond to the outer shape of the metal pipe 2. Both ends of the heating coil 3 are electrically connected to the transistor inverter 4 via a water-cooled cable 10. The cooling water is supplied to the inverter 4 and connected to the cooling water supply device (not shown).
The shape of the heating coil 3 may be a circular coil type or a horseshoe type.
【００１０】この加熱コイル３が接続されるトランジス
タインバータ４は、例えばＭＯＳＦＥＴ、ＩＧＢＴ等の
半導体スイッチング素子を用いた図示しないインバータ
回路と、出力トランス（変流器）等を有し、数ＫＨｚ〜
数ＭＨｚの所定出力の高周波電流を、前記水冷ケーブル
１０を介して加熱コイル３に出力し得るように構成され
ている。The transistor inverter 4 to which the heating coil 3 is connected has an inverter circuit (not shown) using a semiconductor switching element such as a MOSFET or an IGBT, and an output transformer (current transformer).
A high-frequency current having a predetermined output of several MHz can be output to the heating coil 3 via the water-cooled cable 10.
【００１１】前記ファン５は、モータ６の回転で金属パ
イプ２の基端部２ａの開口からエアーを金属パイプ２内
に送り込むためのもので、制御装置７の制御信号に基づ
いてし所定回転数で回転する。このファン５の回転数
は、その送風力によって金属パイプ２の基端部２ａの加
熱性能に悪影響を与えず、金属パイプ２の加熱による金
属パイプ２内の高温空気を先端部２ｂ側に送風できる程
度に設定される。前記制御装置７は、マイコンやシーケ
ンサー等によって構成され、トランジスタインバータ４
やモータ６を所定の手順にしたがって制御する。The fan 5 is for sending air into the metal pipe 2 from the opening of the base end 2a of the metal pipe 2 by the rotation of the motor 6, and based on a control signal from the control device 7, the fan 5 has a predetermined rotation speed. Rotate with. The rotation speed of the fan 5 does not adversely affect the heating performance of the base end portion 2a of the metal pipe 2 due to the blowing air, and can blow the high-temperature air in the metal pipe 2 due to the heating of the metal pipe 2 to the tip end 2b side. Set to about. The control device 7 includes a microcomputer, a sequencer, and the like.
And the motor 6 are controlled according to a predetermined procedure.
【００１２】この整形装置１によれば、先ず所定位置に
セットされた樹脂パイプ９内に金属パイプ２の先端部２
ｂを挿入して、該金属パイプ２の外周面と樹脂パイプ９
の内周面が略一定の隙間を有するように図示しない支持
機構で支持する。この時、必要に応じて樹脂パイプ９の
先端開口を蓋１８で閉塞し、温風の樹脂パイプ９外への
漏出を防止することもできる。そして、この状態で、制
御装置７の制御信号により、トランジスタインバータ４
を作動させると同時もしくは所定時間後にモータ６を作
動させる。According to the shaping apparatus 1, first, the tip 2 of the metal pipe 2 is placed in the resin pipe 9 set at a predetermined position.
b to insert the outer peripheral surface of the metal pipe 2 and the resin pipe 9
Are supported by a support mechanism (not shown) such that the inner peripheral surface of the has a substantially constant gap. At this time, the tip opening of the resin pipe 9 can be closed with the lid 18 as necessary, so that leakage of hot air out of the resin pipe 9 can be prevented. Then, in this state, the transistor inverter 4
The motor 6 is operated simultaneously with or after a predetermined time.
【００１３】このトランジスタインバータ４の作動で、
加熱コイル３に高周波電流が供給されて、その磁束によ
り金属パイプ２に渦電流が誘起され金属パイプ２の基端
部２ａが所定温度まで高速で誘導加熱される。また、フ
ァン５の回転により金属パイプ２の基端部２ａ内の高温
空気（温風）が先端部２ｂ側に送風されて、先端部２ｂ
に設けたエアー噴射孔８から噴射される。このエアー噴
射孔８から噴射された温風により、樹脂パイプ９の内面
が所定温度まで加熱されて樹脂パイプ９が変形可能な柔
らかな状態となる。By the operation of the transistor inverter 4,
A high-frequency current is supplied to the heating coil 3, and an eddy current is induced in the metal pipe 2 by the magnetic flux, so that the base end 2a of the metal pipe 2 is induction-heated at a high speed to a predetermined temperature. The rotation of the fan 5 causes the high-temperature air (warm air) in the base end portion 2a of the metal pipe 2 to be blown to the tip end portion 2b side, and the tip end portion 2b
Is sprayed from the air spray hole 8 provided in the nozzle. The inner surface of the resin pipe 9 is heated to a predetermined temperature by the warm air injected from the air injection holes 8, and the resin pipe 9 is in a soft and deformable state.
【００１４】そして、樹脂パイプ９が加熱されて柔らか
くなった時点で、制御装置７の制御信号により、トラン
ジスタインバータ４とモータ６の作動を停止し、金属パ
イプ２の先端部２ｂから樹脂パイプ９を（または樹脂パ
イプ９から金属パイプ２を）引き抜く。次に、この加熱
状態の樹脂パイプ９を整形型１１ａ、１１ｂ（図２参
照）内に入れて型締めし、これを冷却することによっ
て、樹脂パイプ９が整形型１１ａ、１１ｂの形状に対応
した所定形状に整形され、この状態が維持されて製品と
して使用されることになる。When the resin pipe 9 is heated and softened, the operation of the transistor inverter 4 and the motor 6 is stopped by the control signal of the control device 7, and the resin pipe 9 is removed from the tip 2b of the metal pipe 2. (Or pull out the metal pipe 2 from the resin pipe 9). Next, the resin pipe 9 in the heated state is put into the shaping molds 11a and 11b (see FIG. 2), clamped, and cooled, so that the resin pipe 9 conforms to the shape of the shaping molds 11a and 11b. It is shaped into a predetermined shape, and this state is maintained to be used as a product.
【００１５】なお、樹脂パイプ９の加熱温度は、樹脂パ
イプ９の樹脂の種類や整形しようとする形状に応じ、例
えば曲げが大きい場合には高温に設定され、緩やかな曲
げの場合には低温に設定される。また、以上の整形方法
は、各工程を手作業で行うこともできるし、各工程を適
宜に自動化したり、全ての工程を自動化することも勿論
可能である。The heating temperature of the resin pipe 9 is set to a high temperature when the bending is large, and to a low temperature when the bending is gentle, depending on the type of the resin of the resin pipe 9 and the shape to be shaped. Is set. In the above shaping method, each step can be performed manually, or each step can be appropriately automated, or all the steps can be automated.
【００１６】このように上記整形装置１によれば、樹脂
パイプ９の内部孔９ａ内に金属パイプ２を嵌挿し、この
金属パイプ２の基端部２ａを誘導加熱すると共に、基端
部２ａ内部の高温空気をファン５の作動で先端部２ｂ方
向に送風してエアー噴射孔８から噴射することにより、
樹脂パイプ９の内面側から加熱するため、エアー噴射孔
８の位置等を所定に設定することで、樹脂パイプ９の内
面全域を均一に加熱できて、樹脂パイプ９を所定形状に
容易に整形することができる。As described above, according to the shaping apparatus 1, the metal pipe 2 is inserted into the internal hole 9a of the resin pipe 9, the base end 2a of the metal pipe 2 is heated by induction, and the inside of the base end 2a is formed. Is blown in the direction of the tip 2b by the operation of the fan 5 and is injected from the air injection hole 8,
In order to heat from the inner surface side of the resin pipe 9, by setting the position of the air injection hole 8 and the like to a predetermined value, the entire inner surface of the resin pipe 9 can be uniformly heated, and the resin pipe 9 can be easily shaped into a predetermined shape. be able to.
【００１７】また、金属パイプ２の誘導加熱による温風
を利用して加熱する方式であるため、従来の加熱手段に
比較して、高速かつ均一加熱が可能となって整形作業の
時間を短縮できて、整形作業の効率化や整形に関するコ
ストダウンが図れると共に、安全な誘導加熱の利用によ
り作業環境の悪化をも確実に防止することができる。ま
た、制御装置７による制御で整形作業の自動化が可能と
なり、整形された樹脂パイプ９の一層のコストダウンが
図れる。In addition, since the heating method uses hot air by induction heating of the metal pipe 2, high-speed and uniform heating can be performed as compared with conventional heating means, and the time required for shaping work can be reduced. Thus, the efficiency of the shaping operation and the cost reduction of the shaping can be reduced, and the use of safe induction heating can reliably prevent the working environment from deteriorating. In addition, the shaping work can be automated by the control of the control device 7, so that the cost of the shaped resin pipe 9 can be further reduced.
【００１８】特に、金属パイプ２に設けられるエアー噴
射孔８の位置や内径を適宜に設定することにより、樹脂
パイプ９の曲げ程度に応じた加熱状態を容易に得ること
ができて、各種形状の樹脂パイプ９の整形作業をより効
率的かつ安定して行うことが可能になり、例えば軽量化
とコストダウンが要求されている燃料タンク用のパイプ
等に適用して大きな効果が期待できる。In particular, by appropriately setting the position and the inner diameter of the air injection hole 8 provided in the metal pipe 2, a heating state corresponding to the degree of bending of the resin pipe 9 can be easily obtained, and various shapes can be obtained. The shaping work of the resin pipe 9 can be performed more efficiently and stably. For example, a great effect can be expected when the resin pipe 9 is applied to a pipe for a fuel tank, which is required to be reduced in weight and cost.
【００１９】なお、この実施例においては、金属パイプ
２の基端部２ａの加熱により、その熱が樹脂パイプ９の
基端部２ａ側に伝熱されて該樹脂パイプ９の加熱を促進
するという効果が得られるが、樹脂パイプ９の全体を均
一加熱する場合には、図１の二点鎖線で示すように、加
熱コイル３と樹脂パイプ９との間に遮蔽板１２を設け
て、温風による加熱のみを利用することもできる。In this embodiment, by heating the base end 2a of the metal pipe 2, the heat is transferred to the base end 2a side of the resin pipe 9 to accelerate the heating of the resin pipe 9. Although the effect can be obtained, when the entire resin pipe 9 is uniformly heated, a shielding plate 12 is provided between the heating coil 3 and the resin pipe 9 as shown by a two-dot chain line in FIG. It is also possible to use only heating by heating.
【００２０】また、以上の説明においては、樹脂パイプ
９を加熱した後に、これを金属パイプ２から抜く取って
別途配置した整形型１１ａ、１１ｂで整形したが、例え
ば図２に示すように、樹脂パイプ９を予め整形型１１
ａ、１１ｂの一方の型１１ａ内にセットした状態で、金
属パイプ２を樹脂パイプ９の内部孔９ａ内に嵌挿し、型
移動装置１３で他方の型１１ｂを下降させて型締めしつ
つ、上記実施例と同様に加熱しても良い。この場合は、
金属パイプ２としてある程度可撓性を有するものが好ま
しく、また樹脂パイプ９の曲げ等が比較的少ない場合に
好適に使用される。このようにしても上記実施例と同様
の作用効果を得ることができる。In the above description, after the resin pipe 9 is heated, it is removed from the metal pipe 2 and shaped by the separately arranged shaping dies 11a and 11b. For example, as shown in FIG. Pipe 9 is pre-shaped 11
a, 11b, while being set in one of the molds 11a, the metal pipe 2 is inserted into the internal hole 9a of the resin pipe 9, and the other mold 11b is lowered by the mold moving device 13 to clamp the mold. Heating may be performed as in the embodiment. in this case,
The metal pipe 2 preferably has a certain degree of flexibility, and is suitably used when the bending of the resin pipe 9 is relatively small. Even in this case, the same operation and effect as the above embodiment can be obtained.
【００２１】図３は本発明に係わる整形装置の他の実施
例を示す構成図である。この実施例の整形装置１の特徴
は、誘導加熱で発熱し得る棒状もしくは板状等の発熱部
材１４を、樹脂パイプ９の内部孔９ａ内に嵌挿して、樹
脂パイプ９の外側に加熱コイル３を配置したものであ
る。この実施例によれば、トランジスタインバータ４の
作動で加熱コイル３から磁束が発生することにより、樹
脂パイプ９内の加熱部材１４が誘導加熱され、その温度
で樹脂パイプ９が加熱されることになる。FIG. 3 is a block diagram showing another embodiment of the shaping apparatus according to the present invention. A feature of the shaping apparatus 1 of this embodiment is that a heating member 14 such as a bar or a plate which can generate heat by induction heating is inserted into the internal hole 9 a of the resin pipe 9, and the heating coil 3 is provided outside the resin pipe 9. Is arranged. According to this embodiment, when the magnetic flux is generated from the heating coil 3 by the operation of the transistor inverter 4, the heating member 14 in the resin pipe 9 is induction-heated, and the resin pipe 9 is heated at that temperature. .
【００２２】この実施例の場合は、加熱部材１４を樹脂
パイプ９内に出し入れする加熱部材移動装置１５を備え
ることが好ましく、この例においても、上記実施例と同
様の作用効果を得ることができる。また、図２と同様
に、加熱部材１４に可撓性を持たせることにより、図４
に示す如く、整形型１１ａ、１１ｂにセットした状態で
樹脂パイプ９を加熱することもできる。この場合は、加
熱コイル３で整形型１１ａ、１１ｂ自体も加熱されるこ
とから、樹脂パイプ９の内面と外面から同時に加熱でき
て、加熱効率を一層高めたり均一加熱が図れる等の作用
効果を得ることができる。In the case of this embodiment, it is preferable to provide a heating member moving device 15 for moving the heating member 14 into and out of the resin pipe 9, and in this embodiment, the same operation and effect as in the above embodiment can be obtained. . Also, by making the heating member 14 flexible, as in FIG.
As shown in (1), the resin pipe 9 can be heated while being set in the shaping molds 11a and 11b. In this case, since the shaping molds 11a and 11b themselves are also heated by the heating coil 3, the heating can be performed simultaneously from the inner surface and the outer surface of the resin pipe 9, and the effects such as further increasing the heating efficiency and achieving uniform heating can be obtained. be able to.
【００２３】なお、本発明は、上記した各実施例のそれ
ぞれに限定されるものでもなく、例えば図１に示す実施
例と図３に示す実施例を組み合わせる等、各実施例の要
部もしくは一部を適宜に組み合わせることもできる。ま
た、加熱コイル３を図４に示すように、絶縁性の樹脂１
６でコーティングし、この加熱コイル３を加熱コイル移
動装置１７で移動させる構成とすることもできる。さら
に、金属パイプ２や加熱部材１４も各実施例の構造に限
定されず、誘導加熱により発熱する適宜の材質及び形状
のものを使用することができる。It should be noted that the present invention is not limited to each of the above-described embodiments. For example, the main portion or one of the embodiments shown in FIG. 1 is combined with the embodiment shown in FIG. The parts can be combined appropriately. Further, as shown in FIG. 4, the heating coil 3 is made of an insulating resin 1.
6, and the heating coil 3 can be moved by the heating coil moving device 17. Further, the metal pipe 2 and the heating member 14 are not limited to the structures of the respective embodiments, but may be made of any suitable material and shape that generates heat by induction heating.
【００２４】[0024]
【発明の効果】以上詳述したように、請求項１記載の発
明によれば、トランジスタインバータの作動で誘導加熱
される加熱部材からの熱で樹脂パイプが所定形状に整形
されるため、樹脂パイプの均一加熱が可能となって、安
定した整形品質を容易に得ることができコストの低減化
を図ることができると共に、誘導加熱の利用により作業
環境の悪化を防止することが容易にできる。As described above in detail, according to the first aspect of the present invention, the resin pipe is shaped into a predetermined shape by the heat from the heating member which is induction-heated by the operation of the transistor inverter. Uniform heating can be achieved, stable shaping quality can be easily obtained, cost can be reduced, and the use of induction heating can easily prevent deterioration of the working environment.
【００２５】また、請求項２記載の発明によれば、請求
項１記載の発明の効果に加え、加熱部材が加熱コイルに
より誘導加熱され得る筒状金属部材で形成され、この筒
状金属部材の少なくとも一部が樹脂パイプ内に嵌挿され
るため、樹脂パイプの内面からの一層均一した加熱が可
能となり、各種形状の整形形状を安定して得ることがで
きる。According to the second aspect of the present invention, in addition to the effects of the first aspect, the heating member is formed of a cylindrical metal member which can be induction-heated by a heating coil. Since at least a part is inserted into the resin pipe, more uniform heating from the inner surface of the resin pipe becomes possible, and various shaped shapes can be stably obtained.
【００２６】また、請求項３記載の発明によれば、樹脂
パイプ内にトランジスタインバータによって誘導加熱さ
れる加熱部材を嵌挿させた後に、該加熱部材から発する
熱によって樹脂パイプが所定形状に整形されるため、樹
脂パイプの均一加熱が可能となって、安定した整形品質
を容易に得ることができコストの低減化を図ることがで
きると共に、誘導加熱の利用により作業環境の悪化を防
止することが容易にできる。According to the third aspect of the present invention, after a heating member to be induction-heated by a transistor inverter is inserted into the resin pipe, the resin pipe is shaped into a predetermined shape by heat generated from the heating member. Therefore, uniform heating of the resin pipe is possible, stable shaping quality can be easily obtained, cost can be reduced, and the working environment can be prevented from deteriorating by using induction heating. Easy.
【００２７】また、請求項４記載の発明によれば、請求
項３記載の発明の効果に加え、加熱部材による加熱と略
同時もしくは加熱後に、整形型によって樹脂パイプを所
定形状に整形するため、整形型に沿った高精度の整形品
を容易に得ることができると共に、整形作業の作業効率
の向上を図ることができる。According to the fourth aspect of the invention, in addition to the effect of the third aspect, the resin pipe is shaped into a predetermined shape by a shaping mold substantially simultaneously with or after heating by the heating member. It is possible to easily obtain a high-precision shaped product along the shaping mold, and to improve the working efficiency of the shaping work.
【図１】本発明に係わる樹脂パイプの整形装置の一実施
例を示す構成図FIG. 1 is a configuration diagram showing one embodiment of a resin pipe shaping apparatus according to the present invention.
【図２】同その変形例を示す構成図FIG. 2 is a configuration diagram showing a modified example thereof.
【図３】本発明に係わる樹脂パイプの他の整形装置を示
す構成図FIG. 3 is a configuration diagram showing another shaping device for a resin pipe according to the present invention.
【図４】同その変形例を示す構成図FIG. 4 is a configuration diagram showing a modification thereof.
１ 整形装置、 ２ 金属パイプ ２ａ 基端部 ２ｂ 先端部 ３ 加熱コイル ４ トランジスタインバータ ５ ファン ６ モータ ７ 制御装置 ８ エアー噴射孔 ９ 樹脂パイプ １０ 水冷ケーブル １１ａ、１１ｂ 整形型 １４ 加熱部材 REFERENCE SIGNS LIST 1 shaping device, 2 metal pipe 2 a base end 2 b tip 3 heating coil 4 transistor inverter 5 fan 6 motor 7 control device 8 air injection hole 9 resin pipe 10 water-cooled cables 11 a, 11 b shaping type 14 heating member
───────────────────────────────────────────────────── フロントページの続き (72)発明者 鈴木 英司 静岡県磐田市匂坂中1600−９ 株式会社ミ ヤデン内 Ｆターム(参考） 4F209 AG12 AK11 NA01 NB01 NG03 NH06 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Eiji Suzuki 1600-9, Sakasakanaka, Iwata-shi, Shizuoka F-term in Miyaden Co., Ltd. (reference) 4F209 AG12 AK11 NA01 NB01 NG03 NH06
Claims (4)
り所定形状に整形する樹脂パイプの整形装置において、 前記加熱手段は、トランジスタインバータによって誘導
加熱される加熱部材を有し、該加熱部材から発する熱に
よって樹脂パイプを所定形状に整形することを特徴とす
る樹脂パイプの整形装置。1. A resin pipe shaping device for shaping a resin pipe into a predetermined shape by heating the resin pipe with a heating means, wherein the heating means has a heating member which is induction-heated by a transistor inverter, and emits from the heating member. A resin pipe shaping device for shaping a resin pipe into a predetermined shape by heat.
され得る筒状金属部材で形成され、該筒状金属部材の少
なくとも一部が樹脂パイプ内に嵌挿されることを特徴と
する請求項１記載の樹脂パイプの整形装置。2. The heating device according to claim 1, wherein the heating member is formed of a tubular metal member that can be induction-heated by a heating coil, and at least a part of the tubular metal member is inserted into a resin pipe. Plastic pipe shaping equipment.
り所定形状に整形する樹脂パイプの整形方法において、 前記樹脂パイプ内に、トランジスタインバータによって
誘導加熱される加熱部材を嵌挿させた後に、該加熱部材
から発する熱によって樹脂パイプを所定形状に整形する
ことを特徴とする樹脂パイプの整形方法。3. A resin pipe shaping method for shaping a resin pipe into a predetermined shape by heating the resin pipe with a heating means, wherein a heating member which is induction-heated by a transistor inverter is inserted into the resin pipe. A method of shaping a resin pipe, wherein the resin pipe is shaped into a predetermined shape by heat generated from a heating member.
加熱後に、整形型によって樹脂パイプを所定形状に整形
することを特徴とする請求項３記載の樹脂パイプの整形
方法。4. The method for shaping a resin pipe according to claim 3, wherein the resin pipe is shaped into a predetermined shape by a shaping die substantially simultaneously with or after heating by the heating member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001173570A JP4754724B2 (en) | 2001-06-08 | 2001-06-08 | Plastic pipe shaping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001173570A JP4754724B2 (en) | 2001-06-08 | 2001-06-08 | Plastic pipe shaping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002361728A true JP2002361728A (en) | 2002-12-18 |
| JP4754724B2 JP4754724B2 (en) | 2011-08-24 |
Family
ID=19015011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001173570A Expired - Fee Related JP4754724B2 (en) | 2001-06-08 | 2001-06-08 | Plastic pipe shaping device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4754724B2 (en) |
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|---|---|---|---|---|
| JPS5766916A (en) * | 1980-10-14 | 1982-04-23 | Ishikawajima Harima Heavy Ind Co Ltd | Manufacture of thick-walled part of pipe |
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| JPS6469329A (en) * | 1987-09-11 | 1989-03-15 | Mitsubishi Heavy Ind Ltd | Bending method of nonmetallic pipe |
| JPH01108020A (en) * | 1987-10-21 | 1989-04-25 | Mitsubishi Plastics Ind Ltd | Process of bending of synthetic resin tube |
| JPH02118294A (en) * | 1988-10-27 | 1990-05-02 | Toyoda Gosei Co Ltd | Manufacture of bent hose with protector |
| JPH03215020A (en) * | 1990-01-19 | 1991-09-20 | Kubota Corp | Heater for bending thermoplastic resin pipe and manufacture of bent pipe |
| JPH0679774A (en) * | 1992-09-01 | 1994-03-22 | Sekisui Chem Co Ltd | Production of outer surface ribbed bent pipe made of thermoplastic resin |
| JPH06126833A (en) * | 1992-10-16 | 1994-05-10 | Miyaden:Kk | Apparatus for bonding synthetic rein hollow member and jig usable therefor |
| JPH0890671A (en) * | 1994-09-21 | 1996-04-09 | Sekisui Chem Co Ltd | Manufacture of plastic bent tube |
| JPH09109250A (en) * | 1995-10-14 | 1997-04-28 | Yoshihiko Kobayashi | Method and apparatus for portable heating for bending thermoplastic tube |
| JPH10128853A (en) * | 1996-10-25 | 1998-05-19 | Miyaden:Kk | Method and apparatus for joining resin-made pipe |
| JPH10309720A (en) * | 1997-03-10 | 1998-11-24 | Araco Corp | Molding apparatus with heating mechanism by induction coil |
-
2001
- 2001-06-08 JP JP2001173570A patent/JP4754724B2/en not_active Expired - Fee Related
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5766916A (en) * | 1980-10-14 | 1982-04-23 | Ishikawajima Harima Heavy Ind Co Ltd | Manufacture of thick-walled part of pipe |
| JPS61215037A (en) * | 1985-03-22 | 1986-09-24 | Dainichi Nippon Cables Ltd | Manufacture of bent pipe made of plastics |
| JPS6469329A (en) * | 1987-09-11 | 1989-03-15 | Mitsubishi Heavy Ind Ltd | Bending method of nonmetallic pipe |
| JPH01108020A (en) * | 1987-10-21 | 1989-04-25 | Mitsubishi Plastics Ind Ltd | Process of bending of synthetic resin tube |
| JPH02118294A (en) * | 1988-10-27 | 1990-05-02 | Toyoda Gosei Co Ltd | Manufacture of bent hose with protector |
| JPH03215020A (en) * | 1990-01-19 | 1991-09-20 | Kubota Corp | Heater for bending thermoplastic resin pipe and manufacture of bent pipe |
| JPH0679774A (en) * | 1992-09-01 | 1994-03-22 | Sekisui Chem Co Ltd | Production of outer surface ribbed bent pipe made of thermoplastic resin |
| JPH06126833A (en) * | 1992-10-16 | 1994-05-10 | Miyaden:Kk | Apparatus for bonding synthetic rein hollow member and jig usable therefor |
| JPH0890671A (en) * | 1994-09-21 | 1996-04-09 | Sekisui Chem Co Ltd | Manufacture of plastic bent tube |
| JPH09109250A (en) * | 1995-10-14 | 1997-04-28 | Yoshihiko Kobayashi | Method and apparatus for portable heating for bending thermoplastic tube |
| JPH10128853A (en) * | 1996-10-25 | 1998-05-19 | Miyaden:Kk | Method and apparatus for joining resin-made pipe |
| JPH10309720A (en) * | 1997-03-10 | 1998-11-24 | Araco Corp | Molding apparatus with heating mechanism by induction coil |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4754724B2 (en) | 2011-08-24 |
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