JPS5940612B2 - Continuous vulcanization equipment for rubber extrudates with core metal - Google Patents
Continuous vulcanization equipment for rubber extrudates with core metalInfo
- Publication number
- JPS5940612B2 JPS5940612B2 JP55158568A JP15856880A JPS5940612B2 JP S5940612 B2 JPS5940612 B2 JP S5940612B2 JP 55158568 A JP55158568 A JP 55158568A JP 15856880 A JP15856880 A JP 15856880A JP S5940612 B2 JPS5940612 B2 JP S5940612B2
- Authority
- JP
- Japan
- Prior art keywords
- extrudate
- heating
- heating device
- core metal
- rubber
- 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.)
- Expired
Links
Landscapes
- Seal Device For Vehicle (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Vehicle Waterproofing, Decoration, And Sanitation Devices (AREA)
Description
【発明の詳細な説明】
この発明は、ゴム押出物（以下「押出物」という）の搬
送方向に、高周波誘導加熱装置、マイクロ波誘電加熱装
置及び保温炉が順設された連続加硫装置であって、芯金
が帯状で断面異形のゴム押出物を連続加硫するのに適し
た装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention provides a continuous vulcanization apparatus in which a high-frequency induction heating device, a microwave dielectric heating device, and a heat retention furnace are installed in sequence in the conveying direction of a rubber extrudate (hereinafter referred to as "extrudate"). The present invention relates to an apparatus suitable for continuously vulcanizing a rubber extrudate having a strip-shaped core and an irregular cross-section.
上記型の連続加硫装置は、芯金を高周波誘導加熱（以下
１−ＨＦ加熱」という）で昇温させた後、ゴム部をマイ
クロ波誘電加熱（以下ｒＵＨＦ加熱」という）で加硫温
度まで昇温させ、さらに、保温炉で加硫温度を維持して
加硫する作用を有し、ＵＨＦ加熱効率の良い方法として
知られている。The above type of continuous vulcanization equipment raises the temperature of the core metal using high-frequency induction heating (hereinafter referred to as 1-HF heating), and then heats the rubber part to the vulcanization temperature using microwave dielectric heating (hereinafter referred to as rUHF heating). It has the effect of raising the temperature and then maintaining the vulcanization temperature in a heat retention furnace for vulcanization, and is known as a method with good UHF heating efficiency.
しかし、上記ＨＦ加熱時において、芯金が断面真円の被
覆電線等の押出物の場合は、加熱コイルの中心部を通せ
ば効率よく加熱することが可能であるが、シール部を有
するトリムの中間成形体ような、芯金が帯状でゴムの異
形被覆を有する押出物の場合は、加熱コイルからの芯金
各部に対する距離に遠近が生じ加熱が不均一となって局
部加熱が生じやすかった。However, during the HF heating described above, in the case of an extruded product such as a covered wire with a perfectly circular cross section, it is possible to heat it efficiently by passing it through the center of the heating coil. In the case of an extruded product, such as an intermediate molded product, in which the core metal is band-shaped and has a irregularly shaped rubber coating, the distance from the heating coil to each part of the core metal varies, resulting in uneven heating and localized heating.
このとき、加熱コイルを扁平とすればある程度上記不具
合を解消できるが、押出物断面が異形の場合、加熱コイ
ルを扁平とできない。At this time, if the heating coil is made flat, the above-mentioned problems can be solved to some extent, but if the cross section of the extrudate is irregularly shaped, the heating coil cannot be made flat.
また、ＵＨＦ加熱時及び保温時において、押出物の搬送
方法はベルトコンベヤによるものが一般的であり、ウェ
ザストリップのように、押出物断面が異形で、下面にリ
ップや中空部を有すると、芯金の重量等によりコンベヤ
面に接する部分が異常に変形してしまうおそれがあった
。In addition, during UHF heating and heat retention, the extrudate is generally conveyed using a belt conveyor, and if the extrudate has an irregular cross section and has a lip or hollow part on the lower surface, as in weather stripping, the core There was a risk that the portion in contact with the conveyor surface would be abnormally deformed due to the weight of the gold.
この発明は、上記にかんがみ、ＨＦ加熱装置、ＵＨＦ加
熱装置、保温炉からなる加硫装置において、芯金が帯状
で押出物断面が異形な場合、効率よく加熱できるととも
に、加硫時の押出物形状を変形させるおそれのない芯金
入りゴム押出物の連続加硫装置を提供することを目的と
する。In view of the above, the present invention provides a vulcanization apparatus consisting of an HF heating device, a UHF heating device, and a heat retention furnace, in which when the core metal is strip-shaped and the cross section of the extrudate is irregular, it is possible to efficiently heat the extrudate during vulcanization. It is an object of the present invention to provide a continuous vulcanization device for a rubber extrudate containing a core metal without fear of deforming the shape.
この発明の要旨は、ＨＦ加熱装置、ＵＨＦ加熱装置、保
温炉からなる連続加硫装置において、ＨＦ加熱装置の加
熱コイルが押出物中の帯状の芯金面と平行に配設され、
また、ＵＨＦ加熱装置の加熱部の直前直後に押出物底部
の断面形状に沿う切り欠きを形成した支持ローラが配設
され、保温炉中に搬送ローラが適宜間隔で配設された芯
金入すのゴム押出物の連続加硫装置にある。The gist of the invention is that in a continuous vulcanization apparatus comprising an HF heating device, a UHF heating device, and a heat retention furnace, a heating coil of the HF heating device is arranged parallel to a strip-shaped core metal surface in an extrudate,
In addition, a support roller with a notch formed along the cross-sectional shape of the bottom of the extrudate is installed just before and after the heating section of the UHF heating device, and a core metal is inserted into the heating furnace with transport rollers placed at appropriate intervals. in a continuous vulcanization equipment for rubber extrudates.
以下、この発明の加硫装置を、図例に基づいて説明する
。DESCRIPTION OF THE PREFERRED EMBODIMENTS The vulcanizing apparatus of the present invention will be explained below based on illustrated examples.
図例のように、加硫装置は、押出機１と引取機２との間
に配設され、押出物Ｅの搬送方向に、ＨＦ加熱装置３、
ＵＨＦ加熱装置４、保温炉５が順設されている。As shown in the figure, the vulcanization device is disposed between an extruder 1 and a take-off machine 2, and has an HF heating device 3,
A UHF heating device 4 and a heat retention furnace 5 are installed in sequence.
ここでＨＦ加熱装置３の加熱コイル６は、第２図に示す
ように押出物中の帯状芯金７の面と平行に配設されてい
る。Here, the heating coil 6 of the HF heating device 3 is arranged parallel to the surface of the strip-shaped core metal 7 in the extrudate, as shown in FIG.
この加熱コイル６には高周波電流を供給する周知の高周
波電源装置（図示せず）が連結されている。A well-known high frequency power supply device (not shown) that supplies high frequency current is connected to this heating coil 6.
ＵＨＦ加熱装置４は、そのアプリケータ（加熱部）８の
直前直後に、第３〜４図に示すように、押出物底部の断
面形状に沿う切り欠き９，１０を形成した支持ロー２１
１，１２が配設されている。The UHF heating device 4 has a support row 21 formed with cutouts 9 and 10 that follow the cross-sectional shape of the bottom of the extrudate, as shown in FIGS.
1 and 12 are arranged.
当然、アプリケータ８の搬入・山部１３，１４の内周に
は漏洩電波吸収体（電波漏洩防止装置）が取り付けられ
、アプリケータ８にはマグネトロン（図示せず）で発生
したＵＨＦが導波管１５を通じて伝送されるようになっ
ている。Naturally, a leakage radio wave absorber (radio wave leakage prevention device) is attached to the inner circumference of the peak parts 13 and 14 when the applicator 8 is carried in, and the UHF generated by the magnetron (not shown) is guided to the applicator 8. The signal is transmitted through tube 15.
なお、アプリケータ８内には、図例のように、押出物Ｅ
がたわんで底部に接触するのを防止するために支持ロー
ラと同様な形状の受げローラ１６を配設してもよい。In addition, as shown in the figure, the applicator 8 contains an extrudate E.
In order to prevent the roller from bending and coming into contact with the bottom, a receiving roller 16 having the same shape as the supporting roller may be provided.
この場合、受げローラ１６は誘電損失の小さなフッ素樹
脂製等のものを用いる。In this case, the receiving roller 16 is made of fluororesin or the like with low dielectric loss.
さらに、加熱を促進するためにアプリケータ８内に熱風
を循環させる熱風発生装置をこのＵＨＦ装置に備えても
よい。Additionally, the UHF device may be equipped with a hot air generator that circulates hot air within the applicator 8 to promote heating.
また、保温炉５中には、従来のベルトコンベヤに代えて
、上記支持ローラ１１，１２と同様に、押出物底部の断
面形状に沿う切り欠き９，１０を備えた搬送ローラ１８
が適宜間隔で配設されている。In addition, in place of the conventional belt conveyor, a conveyor roller 18 is provided in the heat-retaining furnace 5, and is provided with notches 9 and 10 that follow the cross-sectional shape of the bottom of the extrudate, similar to the support rollers 11 and 12 described above.
are arranged at appropriate intervals.
なお、押出物の形状又は加硫状態によっては、必ずしも
上記搬送ローラ１８に切り欠きを設けなくてもよい。Note that depending on the shape or vulcanization state of the extrudate, the conveyance roller 18 does not necessarily have to be provided with a cutout.
この搬送ローラ１８の材質は、合成樹脂、金属を問わな
い。The material of this conveyance roller 18 may be synthetic resin or metal.
次に、上記加硫装置の使用態様を説明する。Next, the manner of use of the above-mentioned vulcanization apparatus will be explained.
押出機１から押出されて（る押出物Ｅは、芯金入すなの
で、押出機１の押出速度と引取機２の引取速度の調整に
より適度な引張力（２０〜４０ｋｇ）を受け、ＵＨＦ加
熱装置４の支持ローラ１１゜１２及び保温炉５の搬送ロ
ーラ１８で中間を支持されながら架設状態で搬送される
。Since the extrudate E extruded from the extruder 1 is inserted into the core metal, it is subjected to an appropriate tensile force (20 to 40 kg) by adjusting the extrusion speed of the extruder 1 and the take-up speed of the take-up machine 2, and then heated with UHF. It is conveyed in an erected state while being intermediately supported by the support rollers 11 and 12 of the device 4 and the conveyance roller 18 of the warming furnace 5.
このとき、支持ローラ１１，１２に押出物底部の断面形
状に沿う切り欠き９，１０が形成されているので、押出
物Ｅの底部が芯金７の重量等により押しつぶされて異常
変形することはない。At this time, since the support rollers 11 and 12 are formed with cutouts 9 and 10 that follow the cross-sectional shape of the bottom of the extrudate, the bottom of the extrudate E is prevented from being crushed and abnormally deformed by the weight of the core bar 7. do not have.
また、ＨＦ加熱時において、加熱コイル６が押出物中の
帯状芯金７の面に平行に配設されているので、芯金７は
電磁誘導作用を均一に受は極部加熱されることなく効率
よ（発熱昇温（約２００℃）する。In addition, during HF heating, since the heating coil 6 is arranged parallel to the surface of the strip-shaped core metal 7 in the extrudate, the core metal 7 receives the electromagnetic induction effect uniformly, without heating the extreme parts. Efficiency (exothermic temperature rise (approximately 200℃).
ＵＨＦ加熱時は、前述のようにアプリケータ８内を架設
状態で搬送されるが、従来のようにアプリケータ内にコ
ンベヤベルトのような障害物がな（、ゴム部はＵＨＦに
よる誘電作用を効率よく受は発熱昇温（約２００℃）す
る。During UHF heating, the applicator 8 is conveyed in an upright state as described above, but unlike conventional applicators, there are no obstacles such as conveyor belts inside the applicator (and the rubber part efficiently absorbs the dielectric effect of UHF). Uke often generates heat and rises in temperature (approximately 200 degrees Celsius).
次に、保温時は、保温炉５内は、約２２０〜２４０℃に
維持されているが、その維持方法は、周知の熱風循環式
であってもよいが、炉の内側に電熱ヒータを周設した直
焚方式の方が設備費・熱効率ともに良好で望ましい。Next, during heat retention, the inside of the heat retention furnace 5 is maintained at about 220 to 240°C, and this can be maintained by the well-known hot air circulation method, but an electric heater is placed inside the furnace. The installed direct firing method is preferable as it has better equipment costs and thermal efficiency.
この発明の芯金入りゴム押出物の連続加硫装置は、上記
のような構成なので、芯金が帯状で押出物断面が異形の
場合、加熱効率が良好で、かつ加硫時押出物形状を変形
させるおそれがない。The continuous vulcanization apparatus for rubber extrudates containing a cored metal of the present invention has the above-described configuration, so that when the cored metal is strip-shaped and the cross section of the extrudate is irregular, the heating efficiency is good and the shape of the extrudate is maintained during vulcanization. There is no risk of deformation.
また、ＵＨＦ加熱装置・保温炉内における搬送のために
ベルトコンベヤを使用しない無駆動の簡単な構成である
ため、イニシャル・ランニングコストが安くつくととも
にメインテナンスも容易となる。In addition, since it has a simple, non-driving configuration that does not use a belt conveyor for conveyance within the UHF heating device or insulating furnace, initial running costs are low and maintenance is easy.
図例はこの発明を示し、第１図は加硫装置の全体概略図
、第２図は押出物に対する加熱コイルの配置斜視図、第
３図は押出物を載せた支持（受け・搬送）ローラの一例
を示す正面断面図、第４図は同じく他の一例を示す正面
断面図である。
計・・・・・高周波誘導（ＨＦ）加熱装置、４・・・・
・・マイクロ波誘電（ＵＨＦ）加熱装置、５・・・・・
・保温炉、６・・・・・・加熱コイル、７・・・・・・
（帯状）芯金、８・・・・・・アプリケータ（加熱部）
、９，１０・・・・・・切り欠き、１１．１２・・・・
・・支持ローラ、１６・・・・・・受げローラ、１８・
・・・・・搬送ローラ、Ｅ・・・・・・（ゴム）押出物
。The following diagrams illustrate the invention: Fig. 1 is an overall schematic diagram of a vulcanizing device, Fig. 2 is a perspective view of the arrangement of heating coils for an extrudate, and Fig. 3 is a support (receiving/conveying) roller on which an extrudate is placed. FIG. 4 is a front sectional view showing another example. Meter: High frequency induction (HF) heating device, 4...
...Microwave dielectric (UHF) heating device, 5...
・Heating furnace, 6... Heating coil, 7...
(Strip-shaped) Core metal, 8...Applicator (heating part)
, 9, 10...notch, 11.12...
...Support roller, 16...Receive roller, 18.
...Transport roller, E... (rubber) extrudate.
Claims (1)
ロ波誘電加熱装置及び保温炉が順設された加硫装置にお
いて、 高周波誘導加熱装置の加熱コイルが押出物中の帯状芯金
の面と平行に配設され、また、マイクロ波誘電加熱装置
の加熱部の直前直後に押出物底部の断面形状に沿う切り
欠きを形成した支持ローラが配設され、さらに、保温炉
中に搬送ローラが適宜間隔で配設されていることを特徴
とする芯金入りゴム押出物の連続加硫装置。[Scope of Claims] 1. In a vulcanizing apparatus in which a high-frequency induction heating device, a microwave dielectric heating device, and a heat-retaining furnace are sequentially installed in the conveying direction of the extrudate, a heating coil of the high-frequency induction heating device is attached to a belt-shaped part of the extrudate. A support roller is disposed parallel to the surface of the core bar, and has a notch formed along the cross-sectional shape of the bottom of the extrudate just before and after the heating section of the microwave dielectric heating device. 1. A continuous vulcanization device for a rubber extrudate containing a cored metal, characterized in that conveyance rollers are arranged at appropriate intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55158568A JPS5940612B2 (en) | 1980-11-11 | 1980-11-11 | Continuous vulcanization equipment for rubber extrudates with core metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55158568A JPS5940612B2 (en) | 1980-11-11 | 1980-11-11 | Continuous vulcanization equipment for rubber extrudates with core metal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5782035A JPS5782035A (en) | 1982-05-22 |
| JPS5940612B2 true JPS5940612B2 (en) | 1984-10-01 |
Family
ID=15674530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55158568A Expired JPS5940612B2 (en) | 1980-11-11 | 1980-11-11 | Continuous vulcanization equipment for rubber extrudates with core metal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5940612B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH041115Y2 (en) * | 1985-05-31 | 1992-01-14 | ||
| WO1995006553A1 (en) * | 1993-09-03 | 1995-03-09 | Tokai Kogyo Kabushiki Kaisha | Method of production of elongated elastomer made of vulcanized rubber |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4696634A (en) * | 1985-06-06 | 1987-09-29 | Triple "F", Inc. | Apparatus for particulating an oleaginous product |
| JPH0659654B2 (en) * | 1988-10-04 | 1994-08-10 | ミクロ電子株式会社 | Continuous vulcanization equipment for unvulcanized rubber extruded products |
| JP4975573B2 (en) * | 2007-09-19 | 2012-07-11 | 株式会社ブリヂストン | Belt vulcanizing apparatus and belt vulcanizing method |
| CN105773877A (en) * | 2016-04-10 | 2016-07-20 | 安徽众尚微波科技有限公司 | Feeding device for microwave vulcanization tank |
| CN108656413A (en) * | 2018-05-03 | 2018-10-16 | 青岛凯东工业有限公司 | A kind of continuous vulcanization porous pad die cavity pick-off unit |
-
1980
- 1980-11-11 JP JP55158568A patent/JPS5940612B2/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH041115Y2 (en) * | 1985-05-31 | 1992-01-14 | ||
| WO1995006553A1 (en) * | 1993-09-03 | 1995-03-09 | Tokai Kogyo Kabushiki Kaisha | Method of production of elongated elastomer made of vulcanized rubber |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5782035A (en) | 1982-05-22 |
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