JP2782101B2 - Pressure forming method and apparatus - Google Patents
Pressure forming method and apparatusInfo
- Publication number
- JP2782101B2 JP2782101B2 JP30900689A JP30900689A JP2782101B2 JP 2782101 B2 JP2782101 B2 JP 2782101B2 JP 30900689 A JP30900689 A JP 30900689A JP 30900689 A JP30900689 A JP 30900689A JP 2782101 B2 JP2782101 B2 JP 2782101B2
- Authority
- JP
- Japan
- Prior art keywords
- product
- vulcanized
- heating means
- vacuum bag
- repaired
- 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 - Lifetime
Links
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、加硫ゴム製品の部分的な成形や一部の補
修を行う場合に使用する加圧成形方法及びその装置に係
わり、更に詳しくは加硫ゴム製品の加硫成形時に必要で
ある十分な押圧力を簡易な方法と装置により行うことが
出来る加圧成形方法及びその装置に関するものである。Description: BACKGROUND OF THE INVENTION The present invention relates to a pressure molding method and an apparatus used for partially molding or partially repairing a vulcanized rubber product, and more particularly to the method. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pressure molding method and apparatus capable of performing a sufficient pressing force required for vulcanization molding of a vulcanized rubber product by a simple method and apparatus.
一般に、生ゴム製品の加硫には、十分な押圧力と加熱
が必要であり、その加熱の熱源としては、ヒータブロッ
クやパネルヒータ等の簡易な方法により行い、また押圧
力については、油圧シリンダーによるプレス装置または
製品を加硫罐内に入れて加圧空気により加圧する方法が
行われていた。In general, vulcanization of raw rubber products requires sufficient pressing force and heating, and the heat source for the heating is performed by a simple method such as a heater block or panel heater, and the pressing force is controlled by a hydraulic cylinder. There has been a method in which a press device or a product is put in a vulcanizing can and pressurized by pressurized air.
然しながら、一度加硫した製品の一部分を再加硫した
り、また一部を再度加硫して補修させる場合、加硫罐内
に製品を入れて加硫すると、既に加硫の完了している部
分では、過加硫状態となり、製品の品質を低下させると
言う問題があった。However, to re-vulcanize a part of the product once vulcanized, or to re-vulcanize a part again, put the product in a vulcan and vulcanize it. In some parts, there was a problem that the composition was overvulcanized and the quality of the product was reduced.
また、上記のような問題を除いて考えた場合でも、製
品の大きさや形状により、加硫罐内で加硫することが困
難となり、大きさ及び形状に制約を受けると言う問題が
あった。In addition, even if the above-mentioned problems are excluded, it is difficult to perform vulcanization in a vulcanizer due to the size and shape of the product, and there is a problem that the size and shape are restricted.
この発明は、かかる従来の課題に着目して案出された
もので、一度加硫した製品の一部分を再加硫したり、ま
た一部を再度加硫して補修させる場合でも、従来のよう
なプレス装置や加硫罐等を使用せずに簡易な方法により
行うことが出来ると共に、製品の大きさや形状に制約を
受けることなく容易に成形を行うことが出来る加圧成形
方法及びその装置を提供することを目的とするものであ
る。The present invention has been devised in view of such a conventional problem, and even when a part of a product once vulcanized is re-vulcanized or a part is vulcanized again and repaired, the present invention is applied to a conventional product. Pressure molding method and apparatus which can be performed by a simple method without using a simple press device or vulcanizing can, and can be easily molded without being restricted by the size and shape of the product. It is intended to provide.
この発明は上記目的を達成するため、加硫成形後の製
品の一部加硫箇所や補修箇所に材料を介して加熱する加
熱手段と、この加熱板を前記一部加硫箇所や補修箇所の
材料に押圧させる一端が揺動可能に支持された押し板
と、加硫成形品に、加熱手段及び押し板を覆うように気
密的に被せるバキュームバックとで構成し、前記バキュ
ームバックに吸引装置を接続して吸引収縮させるように
構成したことを要旨とするものである。In order to achieve the above object, the present invention provides a heating means for heating a vulcanized part or a repaired part of a product after vulcanization molding through a material to a part of the vulcanized part or the repaired part. One end to be pressed against the material is pivotally supported, and the vulcanized molded product is composed of a heating means and a vacuum bag that is hermetically covered so as to cover the pressing plate, and a suction device is provided on the vacuum bag. The gist of the invention is that it is configured to be connected and sucked and contracted.
この発明は上記のように構成され、加硫成形後の製品
の一部加硫箇所や補修箇所に材料を載置し、その上に加
熱手段を介して一端が揺動可能に支持された押し板の自
由端を載置し、このようにして配置した加硫成形品に、
加熱手段及び押し板を覆うようにバキュームバックを気
密的に被せ、このバキュームバックを吸引装置で吸引収
縮させる際、バキュームバックの収縮力により、前記加
熱手段で加熱している製品の一部加硫箇所や補修箇所の
材料を押し板を介して押圧力を増幅させ、前記製品の加
硫箇所を加圧成形することにより、従来のようなプレス
装置や加硫罐等を使用せずに簡易な方法により行うこと
が出来ると共に、製品の大きさや形状に制約を受けるこ
となく容易に成形を行うことが出来ることを特徴として
いる。The present invention is configured as described above, and a material is placed on a vulcanized portion or a repaired portion of a product after vulcanization molding, and one end of the material is swingably supported via a heating means on the material. The free end of the plate is placed on the vulcanized molded product placed in this way,
A vacuum bag is hermetically covered so as to cover the heating means and the pressing plate, and when the vacuum bag is sucked and contracted by the suction device, a partial vulcanization of the product heated by the heating means is performed by the contraction force of the vacuum bag. By amplifying the pressing force of the material at the point or the repair point via the pressing plate and press-forming the vulcanized point of the product, it is easy to use without using a conventional pressing device or vulcanizing can. It is characterized in that it can be formed by a method and can be easily formed without being restricted by the size and shape of the product.
以下、添付図面に基づき、この発明の実施例を説明す
る。Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
第１図は、この発明を実施した加圧成形装置１の断面
図を示し、２は加硫成形後の製品、３は製品２の一部加
硫箇所や補修箇所を示している。FIG. 1 is a cross-sectional view of a pressure molding apparatus 1 embodying the present invention, 2 shows a product after vulcanization molding, and 3 shows a partially vulcanized portion or a repaired portion of the product 2.
前記加圧成形装置１は、前記製品２の一部加硫箇所や
補修箇所３に材料Ｗを介して加熱するパネルヒータ等の
加熱手段４と、この加熱手段４上に載置する前記加硫箇
所や補修箇所３の面積よりも若干大きい寸法の面積S1を
持つ当て板５と、更にこの当て板５を前記一部加硫箇所
や補修箇所３の材料Ｗに押圧させる押し板6a,6bと、前
記加熱手段4,当て板５及び押し板6a,6bを覆うように気
密的に被せるバキュームバック７とで構成され、前記バ
キュームバック７の内側には、布８を被せてあり、更に
両端には製品２の上面とシール性を保つためのバキュー
ムシーラント９が設けられて、またバキュームバック７
の一部には、吸引装置10と接続されている。The press forming apparatus 1 includes a heating unit 4 such as a panel heater for heating a part vulcanized portion and a repaired portion 3 of the product 2 via a material W, and the vulcanization placed on the heating unit 4. a caul plate 5 having a location and repair the area S 1 of slightly larger dimensions than the area of the portion 3, the push plate 6a to further pressing the backing plate 5 to the material W of the portion pressurizing硫箇office and repair portions 3, 6b And a vacuum back 7 which is hermetically covered so as to cover the heating means 4, the backing plate 5 and the pressing plates 6a and 6b. A cloth 8 is placed inside the vacuum back 7 and Is provided with a vacuum sealant 9 for maintaining a sealing property with the upper surface of the product 2.
Is connected to the suction device 10.
前記、当て板５と当接する二枚の押し板6a,6bは、一
端が支持脚11に揺動可能に支持されて片持ち状態とな
り、また他端側は当て板５の上面に水平に当接してい
る。One end of each of the two push plates 6a and 6b abutting on the backing plate 5 is supported by the support leg 11 so as to be swingable, and the other end side is horizontally supported on the upper surface of the backing plate 5. In contact.
また、当て板５上に当接する二枚の押し板6a,6bは、
当て板５の面積S1よりも大きな面積S2で、かつバキュー
ムバック７の収縮圧力を出来るだけ大きく加硫箇所３に
かけられるように中央部で分離させた構造になってい
る。In addition, the two pressing plates 6a and 6b abutting on the backing plate 5 are
A large area S 2 than the area S 1 of the abutting plate 5, and has a structure obtained by separating the central portion so as to be subjected to as large pressurized硫箇plant 3 can contraction pressure of the vacuum back 7.
また、二枚の押し板6a,6bがバランス良く圧力を伝達
出来るようにするために、上記のように二枚の押し板6
a,6bの一端は支持脚11に揺動可能に支持され、この場
合、支持脚11にも圧力がかかるため、加硫箇所の押圧力
は、S2/2と、当て板５の面積S1との面積比で表わされ
る。Also, in order to enable the two push plates 6a and 6b to transmit pressure in a well-balanced manner, as described above, the two push plates 6a and 6b are used.
a, one end of 6b is swingably supported by the support legs 11, in this case, since the pressure is applied to the supporting leg 11, the pressing force of the pressurized硫箇plants, and S 2/2, the area of the wear plate 5 S It is expressed as an area ratio with 1 .
なお、当て板５とパネルヒータ等の加熱手段４とを一
体としたヒータブロックとすれば、パネルヒータ等の加
熱手段４は、省略することが出来るものである。If the heating plate 4 is integrated with the heating means 4 such as a panel heater, the heating means 4 such as a panel heater can be omitted.
次に、加圧成形方法について説明すると、まず加硫成
形後の製品２の一部加硫箇所や補修箇所３に材料Ｗを載
置し、その上にパネルヒータ等の加熱手段４と、この加
熱手段４上に加硫箇所や補修箇所３の面積よりも若干大
きい寸法の面積S1を持つ当て板５とを載置する。そして
更にこの当て板５の上に、二枚の押し板6a,6bを当接さ
せて加圧成形治具のセットを終了する。この状態から、
加硫成形品２に、加熱手段４当て板５及び二枚の押し板
6a,6bを覆うように布８とバキュームバック７とを気密
的に被せ、バキュームバック７と加硫成形品２との間
は、バキュームシーラント９でしっかりとシールする。Next, the pressure molding method will be described. First, the material W is placed on a partially vulcanized portion or a repaired portion 3 of the product 2 after vulcanization molding, and a heating means 4 such as a panel heater is placed thereon. heating means than the area of the pressurized硫箇office and repair portions 3 on 4 places the caul 5 having an area S 1 of slightly larger dimensions. Then, the two pressing plates 6a and 6b are brought into contact with the abutment plate 5 to complete the setting of the pressing jig. From this state,
The vulcanized molded article 2 is provided with a heating means 4 reliance plate 5 and two push plates
The cloth 8 and the vacuum bag 7 are airtightly covered so as to cover 6a and 6b, and the space between the vacuum bag 7 and the vulcanized molded product 2 is tightly sealed with a vacuum sealant 9.
このような状態からバキュームバック７を真空ポンプ
等の吸引装置10で真空状態に吸引収縮させ、この時のバ
キュームバック７の収縮力により、押し板6a,6bを介し
て押圧力を増幅させた状態で押圧させる。また、この際
製品２の一部加硫箇所や補修箇所３及び材料Ｗを、加熱
手段４の温度をコントロールしながら加熱して加硫を行
うものである。In this state, the vacuum bag 7 is sucked and contracted to a vacuum state by the suction device 10 such as a vacuum pump, and the pressing force is amplified via the pressing plates 6a and 6b by the contracting force of the vacuum bag 7 at this time. To press. At this time, the vulcanization is performed by heating the partially vulcanized part, the repaired part 3 and the material W of the product 2 while controlling the temperature of the heating means 4.
以上のような方法により成形することで、従来のよう
なプレス装置や加硫罐等を使用せずに簡易な方法により
行うことが出来ると共に、製品の大きさや形状に制約を
受けることなく容易に成形を行うことが出来るものであ
る。By molding according to the method described above, it can be performed by a simple method without using a conventional pressing device or vulcanizing can, and can be easily performed without being restricted by the size and shape of the product. It can be molded.
この発明は、上記のようであるから、一度加硫した製
品の一部分を再加硫したり、また一部を再度加硫して補
修させる場合でも、従来のようなプレス装置や加硫罐等
を使用せずに簡易な方法により行うことが出来ると共
に、製品の大きさや形状に制約を受けることなく容易に
成形を行うことが出来、また全体の形状も大きくなくコ
ンパクトになるので持ち運びに便利である上、安価に製
作出来る効果がある。Since the present invention is as described above, even if a part of a product once vulcanized is re-vulcanized or a part is vulcanized and repaired, a conventional press device or vulcanization can be used. It can be performed by a simple method without using, and it can be easily formed without being restricted by the size and shape of the product. Also, the overall shape is not large and compact, so it is convenient to carry. In addition, there is an effect that it can be manufactured at low cost.
第１図はこの発明を実施した加圧成形装置の断面図であ
る。 １……加圧成形装置、２……製品、３……製品の一部加
硫箇所や補修箇所、４……加熱手段、6a,6b……押し
板、７……バキュームバック、10……吸引装置、Ｗ……
材料。FIG. 1 is a sectional view of a pressure molding apparatus embodying the present invention. 1 ... Pressure molding device, 2 ... Product, 3 ... Part of the product vulcanized or repaired, 4 ... Heating means, 6a, 6b ... Press plate, 7 ... Vacuum back, 10 ... Suction device, W ...
material.
Claims (2)
所に材料を載置し、その上に加熱手段を介して一端が揺
動可能に支持された押し板の自由端を載置し、このよう
にして配置した加硫成形品に、加熱手段及び押し板を覆
うようにバキュームバックを気密的に被せ、このバキュ
ームバックを吸引装置で吸引収縮させる際、バキューム
バックの収縮力により、前記加熱手段で加熱している製
品の一部加硫箇所や補修箇所の材料を押し板を介して押
圧力を増幅させ、前記製品の加硫箇所を加圧成形するこ
とを特徴とする加圧成形方法。1. A material is placed on a vulcanized portion or a repaired portion of a product after vulcanization molding, and a free end of a push plate, one end of which is swingably supported via a heating means, is placed thereon. The vulcanized molded product placed and placed in this manner is airtightly covered with a vacuum bag so as to cover the heating means and the pressing plate. When the vacuum bag is sucked and shrunk by a suction device, the shrinkage force of the vacuum bag is reduced. By amplifying the pressing force of a material of a part of the product being heated by the heating means and a part of the vulcanized part or the repaired part through a pressing plate, the vulcanized part of the product is pressure-formed. Press molding method.
所に材料を介して加熱する加熱手段と、この加熱手段を
前記一部加硫箇所や補修箇所の材料に押圧させる一端が
揺動可能に支持された押し板と、加硫成形品に、加熱手
段及び押し板を覆うように気密的に被せるバキュームバ
ックとで構成し、前記バキュームバックに吸引装置を接
続して吸引収縮させるように構成したことを特徴とする
加圧成形装置。2. A heating means for heating, via a material, a part of a vulcanized part or a repaired part of a product after vulcanization, and one end for pressing the heating means against the material of the partly cured part or the repaired part. Is composed of a push plate that is swingably supported, and a vacuum bag that air-tightly covers the vulcanized molded product so as to cover the heating means and the push plate. A suction device is connected to the vacuum bag to suck and shrink. A pressure forming apparatus characterized in that the pressure forming apparatus is configured to perform the following.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30900689A JP2782101B2 (en) | 1989-11-30 | 1989-11-30 | Pressure forming method and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30900689A JP2782101B2 (en) | 1989-11-30 | 1989-11-30 | Pressure forming method and apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03169623A JPH03169623A (en) | 1991-07-23 |
| JP2782101B2 true JP2782101B2 (en) | 1998-07-30 |
Family
ID=17987768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30900689A Expired - Lifetime JP2782101B2 (en) | 1989-11-30 | 1989-11-30 | Pressure forming method and apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2782101B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL9500133A (en) * | 1995-01-25 | 1996-09-02 | Cooeperatieve Vereniging Profi | Method for repairing a locally damaged, dented surface of a wall as well as wall provided with such a locally repaired surface. |
| GB9901860D0 (en) * | 1999-01-29 | 1999-03-17 | Davey Terence J | Treating products moulded from fibre reinforced plastics |
-
1989
- 1989-11-30 JP JP30900689A patent/JP2782101B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03169623A (en) | 1991-07-23 |
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