JP2001287232A - Method and apparatus for continuously producing resin molding containing aggregate - Google Patents

Method and apparatus for continuously producing resin molding containing aggregate

Info

Publication number
JP2001287232A
JP2001287232A JP2000106634A JP2000106634A JP2001287232A JP 2001287232 A JP2001287232 A JP 2001287232A JP 2000106634 A JP2000106634 A JP 2000106634A JP 2000106634 A JP2000106634 A JP 2000106634A JP 2001287232 A JP2001287232 A JP 2001287232A
Authority
JP
Japan
Prior art keywords
endless belt
aggregate
continuously
molding material
mold
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.)
Pending
Application number
JP2000106634A
Other languages
Japanese (ja)
Inventor
Takeshi Muranaka
健 村中
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sekisui Chemical Co Ltd
Original Assignee
Sekisui Chemical Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sekisui Chemical Co Ltd filed Critical Sekisui Chemical Co Ltd
Priority to JP2000106634A priority Critical patent/JP2001287232A/en
Publication of JP2001287232A publication Critical patent/JP2001287232A/en
Pending legal-status Critical Current

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  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a method for continuously producing a resin molding containing aggregate which can stably and continuously produce the molding in which the aggregate is packed so that the aggregate particles are brought into contact with each other even when a crushed fiber-reinforced plastic molding, wood powder, etc. are used as the aggregate and an apparatus for the method. SOLUTION: In the method in which a molding material in which the aggregate is highly packed in a liquid thermosetting resin composition is cured in turn in a continuously moving mold to mold the molding continuously, a material supply process in which the molding material is supplied on an endless belt and a continuously compacting process in which the supplied molding material, while being conveyed toward the moving mold on the endless belt, is compressed gradually and continuously to be compacted to the thickness of the molding to be obtained at the inlet of the mold are provided.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】本発明は、液状熱硬化性樹脂組成
物に骨材が高充填された樹脂成形品の連続製造方法及び
連続製造装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a continuous production method and a continuous production apparatus for a resin molded product in which a liquid thermosetting resin composition is highly filled with an aggregate.

【0002】[0002]

【従来の技術】骨材が分散された発泡熱硬化性樹脂から
なる芯層の表面に、補強繊維が長手方向に略平行に並ん
で分散されている発泡熱硬化性樹脂からなる表面層が積
層された複合材料が既に提案されている(特開平5−1
38797号公報参照)。この複合材料の場合、釘打ち
性能や圧縮強度を上げるには、芯層を構成する骨材と骨
材とがその一部で接する状態まで、骨材の充填密度を高
くする必要がある。
2. Description of the Related Art On a surface of a core layer made of a foamed thermosetting resin in which an aggregate is dispersed, a surface layer made of a foamed thermosetting resin in which reinforcing fibers are dispersed substantially parallel to the longitudinal direction is laminated. Composite materials have already been proposed (Japanese Unexamined Patent Publication No. 5-1).
38797). In the case of this composite material, in order to increase the nailing performance and the compressive strength, it is necessary to increase the packing density of the aggregate until the aggregate constituting the core layer and the aggregate are partially in contact with each other.

【0003】ところで、発泡樹脂中に、骨材が充填され
た材料を連続的に製造する方法としては、たとえば、特
開昭54−34376号公報に開示されたような方法が
提案されている。しかし、この方法によれば、骨材同士
がその一部で接触する程度まで骨材の充填密度を上げる
ことが不可能である。
As a method for continuously producing a material in which an aggregate is filled in a foamed resin, for example, a method disclosed in Japanese Patent Application Laid-Open No. 54-34376 has been proposed. However, according to this method, it is impossible to increase the packing density of the aggregates to such an extent that the aggregates contact each other at a part thereof.

【0004】そこで、本発明の発明者は、材料供給部と
連続移動金型の金型底部とを形成する下部無端ベルト
と、連続移動金型の金型天井部を形成する上部無端ベル
トとを備える製造装置を用意し、液状熱硬化性樹脂組成
物に骨材が高充填された成形材料を材料供給部上に供給
し、材料供給部に供給されたのち、連続的に連続移動金
型内に送り込まれた成形材料中の熱硬化性樹脂を、連続
移動金型内で熱硬化させて成形品を連続成形しようとし
た。また、成形材料を材料供給部上に供給後、連続成形
金型に入る前に、骨材同士が確実に相互に接触するよう
にプレス板等でプレスするようにし、材料の静止摩擦抵
抗を増大させて無端ベルトでの圧密化を確実に行えるよ
うにした。
The inventor of the present invention has proposed a lower endless belt forming a material supply section and a mold bottom of a continuously moving mold, and an upper endless belt forming a mold ceiling of a continuously moving mold. A manufacturing apparatus is provided, and a molding material in which the liquid thermosetting resin composition is highly filled with aggregate is supplied onto the material supply unit, and after being supplied to the material supply unit, continuously in the continuous moving mold. The thermosetting resin in the molding material fed into the mold was thermoset in a continuously moving mold to continuously mold the molded article. Also, after the molding material is supplied onto the material supply section and before entering the continuous molding die, the aggregates are pressed with a press plate or the like to ensure that they contact each other, increasing the static friction resistance of the material. This ensures that the endless belt can be compacted.

【0005】しかしながら、骨材入り樹脂成形品の低コ
スト化を図るために、廃棄物などとして発生するガラス
繊維等の補強繊維入りプラスチック成形品の粉砕物や木
材粉等を用いるようにした場合、予備圧縮しても一旦圧
縮された成形材料がその骨材の弾性等によって元に戻っ
てしまい、得ようとする骨材の充填密度の成形品が得ら
れないという問題がある。
[0005] However, in order to reduce the cost of an aggregate-containing resin molded product, when a pulverized plastic molded product containing reinforcing fibers such as glass fiber, which is generated as waste, wood powder, or the like is used, Even if the pre-compression is performed, there is a problem that the molded material once compressed returns to the original state due to the elasticity of the aggregate and the like, and a molded product having a desired packing density of the aggregate cannot be obtained.

【0006】[0006]

【発明が解決しようとする課題】従って、本発明は、上
記課題を解決し、骨材として、補強繊維入りプラスチッ
ク成形品の粉砕物や木材粉末等を用いた場合であって
も、骨材同士が相互に接触した状態まで、高充填された
樹脂成形品を安定的かつ連続的に製造することができる
骨材入り樹脂成形品の連続製造方法および連続製造装置
を提供することを目的としている。
SUMMARY OF THE INVENTION Accordingly, the present invention solves the above-mentioned problems, and the present invention solves the above-mentioned problems even when a pulverized plastic molded article containing reinforcing fibers or wood powder is used as an aggregate. It is an object of the present invention to provide a continuous production method and a continuous production apparatus for an aggregate-containing resin molded product capable of stably and continuously producing a highly-filled resin molded product until the resin molded products come into contact with each other.

【0007】[0007]

【課題を解決するための手段】このような目的を達成す
るために、本発明にかかる骨材入り樹脂成形品の連続製
造方法は、液状熱硬化性樹脂組成物に骨材が高充填され
た成形材料を連続移動金型で硬化反応を順次行わせ成形
品を連続成形する骨材入り樹脂成形品の連続製造方法に
おいて、前記成形材料を無端ベルト上に供給する材料供
給工程と、無端ベルト上に供給された成形材料を無端ベ
ルトで連続移動金型方向へ搬送しながら前記無端ベルト
上で上方から徐々にかつ連続的に圧縮し、連続移動金型
入口で得ようとする成形品の厚みになるまで圧密化した
状態にする連続圧密化工程とを備えている構成とした。
SUMMARY OF THE INVENTION In order to achieve the above object, a method for continuously producing an aggregate-containing resin molded product according to the present invention is characterized in that the liquid thermosetting resin composition is highly filled with the aggregate. In a continuous production method of an aggregate-containing resin molded product in which a molding material is subjected to a curing reaction sequentially in a continuous moving mold to continuously mold the molded product, a material supply step of supplying the molding material on an endless belt; The molding material supplied to the endless belt is gradually and continuously compressed from above on the endless belt while being conveyed in the direction of the continuous moving mold by the endless belt, and the thickness of the molded product to be obtained at the entrance of the continuous moving mold is reduced. And a continuous consolidation step of making the consolidation state to the extent possible.

【0008】本発明の連続製造方法は、請求項2のよう
に、材料供給工程と、連続圧密化工程との間に設けられ
たプレス手段によって成形材料の少なくとも上面を予備
圧密化する予備圧密工程を備えていることが好ましい。
According to a second aspect of the present invention, there is provided a continuous consolidation step in which at least the upper surface of the molding material is pre-consolidated by pressing means provided between the material supply step and the continuous consolidation step. It is preferable to have.

【0009】一方、本発明にかかる連続製造装置は、液
状熱硬化性樹脂組成物に骨材が充填された成形材料が上
方から供給される材料供給部と、材料供給部の後方に位
置し、材料供給部に供給された成形材料を連続的に成形
する連続移動金型の下面側を構成する下側金型部とを有
する下部無端ベルトと、前記下部金型部と対面するよう
に設けられ、連続移動金型の上面側を構成する上部金型
部と、前記材料供給部より後方に設けられ、下部無端ベ
ルトとの距離が上部金型部と下部金型部との距離まで徐
々に狭くなり、材料供給部から連続的に搬送されてくる
成形材料を下部無端ベルトとの間で徐々に圧密化するテ
ーパ部とを有する上部無端ベルトとを備える構成とし
た。
On the other hand, the continuous manufacturing apparatus according to the present invention is provided with a material supply section in which a molding material in which a liquid thermosetting resin composition is filled with an aggregate is supplied from above, and is located behind the material supply section. A lower endless belt having a lower mold part constituting a lower surface side of a continuous moving mold for continuously molding the molding material supplied to the material supply unit; and a lower end belt provided to face the lower mold part. An upper mold part constituting the upper surface side of the continuous moving mold, and a distance between the upper mold part and the lower mold part, which is provided behind the material supply part, is gradually reduced to a distance between the upper mold part and the lower mold part. And an upper endless belt having a tapered portion for gradually consolidating the molding material continuously conveyed from the material supply unit to the lower endless belt.

【0010】また、本発明において、液状熱硬化性樹脂
組成物とは、液状熱硬化性樹脂単独でも構わないし、必
要に応じて液状硬化性樹脂に触媒、発泡剤、整泡剤、発
泡助剤、着色剤、紫外線吸収剤、酸化防止剤、架橋剤、
安定剤、可塑剤、難燃剤等が添加されてもよい。
In the present invention, the liquid thermosetting resin composition may be a liquid thermosetting resin alone or, if necessary, a catalyst, a foaming agent, a foam stabilizer, a foaming aid, and the like. , Colorant, UV absorber, antioxidant, crosslinker,
Stabilizers, plasticizers, flame retardants and the like may be added.

【0011】上記液状熱硬化樹脂としては、特に限定さ
れないが、例えば、ポリウレタン樹脂、フェノール樹
脂、不飽和ポリエステル樹脂、エポキシ樹脂、ビニルエ
ステル樹脂等が挙げられる。発泡剤としては、特に限定
されず、例えば、熱分解型発泡剤、フロン等の溶剤型発
泡剤、熱硬化性樹脂が反応時に発生する分解ガス等の副
生物等が挙げられる。
The above-mentioned liquid thermosetting resin is not particularly restricted but includes, for example, polyurethane resin, phenol resin, unsaturated polyester resin, epoxy resin, vinyl ester resin and the like. The foaming agent is not particularly limited, and examples thereof include a pyrolytic foaming agent, a solvent-type foaming agent such as chlorofluorocarbon, and by-products such as a decomposition gas generated when the thermosetting resin reacts.

【0012】骨材としては、特に限定されないが、例え
ば、無機及び有機粉粒体、汚泥乾燥粉粒体、補強繊維、
繊維強化樹脂粉砕物等が挙げられる。これらの骨材は単
独で用いてもよいし、2種以上の混合物として用いても
よい。無機粉粒体としては、例えば、岩石粉粒体、ガラ
ス粒粉体、珪酸カルシウム、セメントコンクリート粉砕
物、珪砂等の無定型粒体、セリサイト、ウォラストナイ
ト等の無機短繊維粉体、バーミキュライト、パーライ
ト、膨張頁岩、フライアッシュの中空粉等の気泡を有し
た無機粉体、炭酸カルシウム、フライアッシュ等の粒径
の比較的小なる無機粉体などが挙げられる。
The aggregate is not particularly limited. For example, inorganic and organic granules, sludge dry granules, reinforcing fibers,
A fiber reinforced resin pulverized product and the like can be mentioned. These aggregates may be used alone or as a mixture of two or more. Examples of the inorganic powder include rock powder, glass powder, calcium silicate, cement concrete pulverized material, amorphous particles such as silica sand, inorganic short fiber powders such as sericite and wollastonite, and vermiculite. And inorganic powder having a relatively small particle size such as calcium carbonate, fly ash, etc., and inorganic powder having bubbles such as pearlite, expanded shale, and hollow powder of fly ash.

【0013】有機粉粒体としては、例えば、塩ビパイ
プ、PETボトル等のプラスチック製品の粉砕物が挙げ
られる。汚泥乾燥粉粒体としては、汚泥処理場から発生
する汚泥の恒温乾燥固形分が挙げられる。
Examples of the organic particles include pulverized plastic products such as PVC pipes and PET bottles. As the sludge dry powder, there is a constant temperature dry solid content of sludge generated from a sludge treatment plant.

【0014】補強繊維としては、ガラス繊維等の無機繊
維、有機繊維、金属繊維等が挙げられる。繊維強化樹脂
粉砕物としては、繊維強化プラスチック(FRP)粉砕
物、繊維強化硬質発泡ウレタン粉砕物などが挙げられ
る。
Examples of the reinforcing fibers include inorganic fibers such as glass fibers, organic fibers, and metal fibers. Examples of the crushed fiber reinforced resin include a crushed fiber reinforced plastic (FRP) and a crushed fiber reinforced hard urethane foam.

【0015】本発明において、骨材の高充填状態(高圧
密状態)とは、骨材粒子が互いに接触した状態を言う。
骨材の体積充填率は、選択される骨材の形状・粒径・粒
径分布等によって異なる。例えば、珪砂の場合は45〜
60容量%程度が好ましい。また、珪砂の粒子が完全な
球形であると考えれば、充填率はおよそ50〜75容量
%程度が好ましい。
In the present invention, the state of the aggregate being highly filled (high-pressure dense state) means a state in which the aggregate particles are in contact with each other.
The volume filling rate of the aggregate differs depending on the shape, particle size, particle size distribution, and the like of the selected aggregate. For example, in the case of silica sand,
About 60% by volume is preferable. If it is considered that the silica sand particles are perfectly spherical, the filling rate is preferably about 50 to 75% by volume.

【0016】骨材充填率の算出方法は、特に限定される
ものではないが、例えば、珪砂などの中実体の場合は真
比重から、また、フィライアッシュバルーン等の中空体
や膨張頁岩等の発泡体の場合には、見かけ比重つまり骨
材に内在する空隙も含めたトータル比重で算出する。さ
らに、FRP粉砕物等の場合は、ミクロに見れば比重は
部位によって異なるがマクロにみて複合体としての比重
を代表値として用いる方法が考えられる。
The method for calculating the aggregate filling rate is not particularly limited. For example, in the case of a solid body such as silica sand, the calculation method is based on the true specific gravity, or the hollow body such as a philia ash balloon or the expanded shale. In the case of a foam, it is calculated by the apparent specific gravity, that is, the total specific gravity including voids inherent in the aggregate. Further, in the case of a FRP pulverized product or the like, a specific method is conceivable in which the specific gravity differs depending on the site when viewed microscopically, but the specific gravity of the composite is used as a representative value macroscopically.

【0017】成形材料は、まず、液状熱硬化性樹脂組成
物と骨材とを混合することによって得られるが、その混
合方法としては、特に限定されるものではなく、例え
ば、土練機等の連続式混合機、ミキサー・ニーダー等の
バッチ式混合機を用いる方法が挙げられる。
The molding material is first obtained by mixing the liquid thermosetting resin composition and the aggregate, but the mixing method is not particularly limited. Examples thereof include a method using a batch mixer such as a continuous mixer and a mixer / kneader.

【0018】土練機を用いる場合は、2軸タイプのもの
が自己洗浄性があり連続安定性に優れる。また、バッチ
式混合機を用いる場合は、混合物を材料供給部へ連続供
給するためのフィーダー、また必要に応じて、混合物を
一時貯蔵する容器が必要となる。なお、上記混合方法で
得られる成形材料は、液状熱硬化性樹脂組成物、骨材及
び空隙部とからなる。
When a clay mixing machine is used, a biaxial type has a self-cleaning property and is excellent in continuous stability. When a batch mixer is used, a feeder for continuously supplying the mixture to the material supply unit and, if necessary, a container for temporarily storing the mixture are required. The molding material obtained by the above mixing method comprises a liquid thermosetting resin composition, an aggregate, and a void.

【0019】連続圧密化工程では、液状熱硬化性樹脂組
成物、骨材及び空隙部から成る成形材料を所定の骨材充
填率になるように連続移動金型の手前から連続移動金型
の入口までの間に連続的に成形材料の空隙部を減らす、
つまり、断面積を減少させるようにするようになってい
る。そして、例えば、ライン上流部で成形材料を無端ベ
ルト上に供給したのち、この無端ベルトによって下流側
の連続移動金型に成形材料を搬送する途中で、無端ベル
トの上方に連続移動金型の入口に向かって無端ベルトと
の間隔が徐々に狭まるように成形材料搬送用の無端ベル
トと対面して設けられた連続圧密化手段としての上部無
端ベルトによって徐々に圧縮する方法が挙げられる。
In the continuous consolidation step, the molding material comprising the liquid thermosetting resin composition, the aggregate, and the voids is filled with the inlet of the continuous moving mold from just before the continuous moving mold so as to have a predetermined aggregate filling rate. Continuously reduce the gap of the molding material until
That is, the cross-sectional area is reduced. Then, for example, after the molding material is supplied onto the endless belt at the upstream portion of the line, while the molding material is being conveyed to the continuously moving mold on the downstream side by the endless belt, the entrance of the continuously moving mold is located above the endless belt. In order to gradually reduce the distance from the endless belt toward the endless belt, a method of gradually compressing the upper endless belt as continuous consolidation means provided facing the endless belt for conveying the molding material is used.

【0020】なお、連続的に成形材料の断面積を減少さ
せる、すなわち、圧密化を図るためには、まず、上部無
端ベルトの挿入口高さが、圧密前の成形材料高さより高
いことが前提であり、上部無端ベルトが傾斜し連続移動
金型入口の断面高さ(製品厚み)まで変化している必要
がある。また、連続圧密化手段としては、上記のような
無端ベルトを用いる代わりに、下部無端ベルトとの間の
距離が徐々に狭くなるように連続して並べられた複数の
ローラ等によって行うことができる。また、上部無端ベ
ルトは、連続移動金型入口に向かって一定の傾斜角度で
徐々に下方の無端ベルトとの間が狭くなるように設けて
も構わないし、段階的に傾斜角度を変更し、最終的に連
続移動金型の入口の断面形状に圧縮できるようにしても
構わない。すなわち、様々な成形材料に対応可能なよう
に可変できることが好ましい。
In order to continuously reduce the cross-sectional area of the molding material, that is, to achieve compaction, first, it is assumed that the height of the insertion opening of the upper endless belt is higher than the height of the molding material before compaction. It is necessary that the upper endless belt is inclined and changes to the cross-sectional height (product thickness) of the continuously moving mold entrance. Further, instead of using the endless belt as described above, the continuous consolidation means can be performed by a plurality of rollers or the like which are continuously arranged so that the distance between the endless belt and the lower endless belt is gradually reduced. . Further, the upper endless belt may be provided so that the space between the upper endless belt and the lower endless belt gradually narrows at a constant inclination angle toward the continuous moving mold entrance, or the inclination angle is changed stepwise, It may be possible to compress the cross-sectional shape at the entrance of the continuous moving mold. That is, it is preferable that it can be changed so as to correspond to various molding materials.

【0021】さらに、請求項2の予備圧密工程に用いら
れるプレス装置としては、特に限定されないが、例え
ば、間欠プレス方式、ロール方式、無端ベルト方式等を
用いることができる。ライン方向の均一性の点からはロ
ール方式、無端ベルト方式が好ましい。
Further, the press device used in the pre-consolidation step of the second aspect is not particularly limited, but for example, an intermittent press system, a roll system, an endless belt system, or the like can be used. From the viewpoint of uniformity in the line direction, a roll system and an endless belt system are preferred.

【0022】連続移動金型は、その少なくとも金型底面
および天井面が無端ベルトで形成されていて、この無端
ベルトが成形品の移動方向に動くようになっていれば、
特に限定されないが、成形品の断面が角形であれば、金
型両側面も無端ベルトで形成することが好ましい。連続
移動金型に用いられる無端ベルトの材質は、耐熱性があ
り、硬化反応を阻害するものでなければ特に限定され
ず、スチール製のものや樹脂製のものが挙げられる。
In the continuous moving mold, at least the mold bottom surface and the ceiling surface are formed by an endless belt, and if the endless belt moves in the moving direction of the molded product,
Although not particularly limited, if the cross section of the molded product is a square, it is preferable that both side surfaces of the mold are also formed by an endless belt. The material of the endless belt used in the continuous moving mold is not particularly limited as long as it has heat resistance and does not inhibit the curing reaction, and examples thereof include steel and resin.

【0023】本発明に用いられる無端ベルトとしては、
特に限定されないが、連続する帯状ベルトを用いるエン
ドレスベルト方式や多数のスラットが連結されたスラッ
トコンベア方式が挙げられる。エンドレスベルト方式、
スラットコンベア方式における帯状ベルトやスラットの
材質は、特に限定はされないが、高強度なスチール、ス
テンレス、アルミニウム等の金属製のものが好ましい。
なお、スラットコンベアを用いた場合、スラットが断続
的な挙動を示すが、ライン方向へのスラット長さを短く
することにより、連続的な圧密状態に近づけることが可
能である。また、スラットコンベア方式では、長手方向
への異型形状の付与が容易になる。
The endless belt used in the present invention includes:
Although not particularly limited, an endless belt system using a continuous belt belt or a slat conveyor system in which a number of slats are connected may be used. Endless belt method,
The material of the belt-shaped belt and the slats in the slat conveyor system is not particularly limited, but is preferably a high-strength metal such as steel, stainless steel, or aluminum.
When a slat conveyor is used, the slat exhibits an intermittent behavior. However, by shortening the slat length in the line direction, it is possible to approach a continuous consolidation state. In addition, in the slat conveyor system, it is easy to give an irregular shape in the longitudinal direction.

【0024】本発明の製造装置において、無端ベルトの
連続移動金型を形成する部分には、圧密後に成形材料の
硬化反応を促進させるための加熱機構、またその後の硬
化体の反応熱を除去するための冷却機構が設けることが
できる。加熱及び冷却機構としては、特に限定されない
が、ベルト及びスラットに裏面側から熱・温・冷風を当
てて温調する方法が挙げられる。またスラットコンベア
方式のものの場合には、スラットをジャッケット方式と
し温調する方法も挙げられる。連続移動金型を構成する
無端ベルトの駆動方式としては、無端ベルト自体に駆動
手段を設けることが最も好ましいが、進行方向下流に引
取機を設けてもよい。ただし、製造開始時に引取機を用
い駆動力を金型に付与するためには、基材等の駆動力伝
達部材を用いることが必要となる。
In the manufacturing apparatus of the present invention, a heating mechanism for accelerating a curing reaction of a molding material after consolidation is provided at a portion where an endless belt forms a continuously moving mold, and a reaction heat of a cured body thereafter is removed. Cooling mechanism can be provided. Although the heating and cooling mechanism is not particularly limited, a method of controlling the temperature by applying heat, warm or cold air to the belt and the slat from the back surface side can be used. In the case of a slat conveyor system, a method of controlling the temperature by using a slat as a jacket system may also be used. As a driving method of the endless belt constituting the continuous moving mold, it is most preferable to provide a driving means on the endless belt itself, but a take-up machine may be provided downstream in the traveling direction. However, in order to apply a driving force to the mold using a take-off machine at the start of production, it is necessary to use a driving force transmitting member such as a base material.

【0025】また、ウレタン樹脂のような発泡性樹脂を
用いる場合には、金型進行方向前方部に、製造開始時に
必要な堰板が設置できる構造が存在することが好まし
い。すなわち、製造開始時にはこの堰板を進行方向前方
部に設置し、導入された成形材料が金型出口側から漏洩
(発泡変形)しないようにし、発泡・硬化が完了した時点
で、堰板を取り除き、成形品を引取機に引き込むように
することが好ましい。
When a foaming resin such as a urethane resin is used, it is preferable that a structure is provided at a front portion in a die traveling direction in which a dam plate required at the start of production can be installed. That is, at the start of production, this dam plate is installed in the front part in the traveling direction, and the introduced molding material leaks from the mold exit side.
It is preferable to prevent the occurrence of (foaming deformation), and at the time when foaming and curing are completed, remove the dam plate and draw the molded product into the take-off machine.

【0026】[0026]

【発明の実施の形態】以下に、本発明の実施の形態の一
例を図面を参照しつつ詳細に説明していく。図1は、本
発明の樹脂成形品の連続製造装置の1つの実施の形態を
あらわしている。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an example of an embodiment of the present invention will be described in detail with reference to the drawings. FIG. 1 shows one embodiment of a continuous apparatus for producing a resin molded product of the present invention.

【0027】図1に示すように、この製造装置Aは、成
形材料供給装置1と、下部無端ベルト2と、上部無端ベ
ルト3と、1対の側部無端ベルト(図示せず)と、切断
機4と備えている。
As shown in FIG. 1, the manufacturing apparatus A includes a molding material supply device 1, a lower endless belt 2, an upper endless belt 3, a pair of side endless belts (not shown), Machine 4.

【0028】成形材料供給装置1は、骨材サイロ11
と、樹脂タンク12と、骨材フィーダー13と、樹脂供
給ポンプ14と、連続式混合機(以下、「混合機」との
み記す)15とを備えている。そして、骨材サイロ11
内の骨材を骨材フィーダー13を介して混合機15に定
量供給するとともに、樹脂タンク12内の液状熱硬化性
樹脂を樹脂供給ポンプ14を介して混合機15に定量供
給し、混合機15内で骨材と液状熱硬化性樹脂とを均一
混合して成形材料としたのち、混合機15の吐出口から
下部無端ベルト2に連続的に供給するようになってい
る。また、混合機15は、骨材と樹脂の供給と同時にそ
のシャフト(図示せず)を回転させ混合を開始するよう
になっている。
The molding material supply device 1 includes an aggregate silo 11
, A resin tank 12, an aggregate feeder 13, a resin supply pump 14, and a continuous mixer (hereinafter simply referred to as “mixer”) 15. And the aggregate silo 11
A fixed amount of the aggregate in the container is supplied to the mixer 15 via the aggregate feeder 13, and a fixed amount of the liquid thermosetting resin in the resin tank 12 is supplied to the mixer 15 via the resin supply pump 14. After uniformly mixing the aggregate and the liquid thermosetting resin into a molding material, the mixture is continuously supplied to the lower endless belt 2 from the discharge port of the mixer 15. In addition, the mixer 15 rotates its shaft (not shown) simultaneously with the supply of the aggregate and the resin, and starts mixing.

【0029】下部無端ベルト2は、材料供給部21と、
圧密化部22と、材料供給部21に供給された成形材料
6を連続的に成形する連続移動金型7の底面を構成する
下部金型部23とを有している。
The lower endless belt 2 includes a material supply section 21 and
It has a consolidating section 22 and a lower mold section 23 that forms the bottom surface of a continuously moving mold 7 that continuously molds the molding material 6 supplied to the material supply section 21.

【0030】上部無端ベルト3は、下部金型部23と対
面するように設けられ、連続移動金型7の天井面を構成
する上部金型部31と、材料供給部21より後方に設け
られ、下部無端ベルト2との距離が上部金型部31と下
部金型部23との距離になるまで徐々に狭くなり、下部
無端ベルト2との間で、材料供給部21から連続的に搬
送されてくる成形材料6を下部無端ベルト2との間で徐
々に圧密化するテーパ部22とを有している。
The upper endless belt 3 is provided so as to face the lower mold part 23, and is provided behind the upper mold part 31 constituting the ceiling surface of the continuously moving mold 7 and the material supply part 21. The distance from the lower endless belt 2 gradually decreases until it reaches the distance between the upper mold part 31 and the lower mold part 23, and is continuously conveyed from the material supply unit 21 to the lower endless belt 2. And a taper portion 22 for gradually consolidating the coming molding material 6 with the lower endless belt 2.

【0031】テーパ部22は、そのテーパ角を後述する
圧密化時に成形材料6がテーパ部22で滞留することが
ないような角度に任意に変更できるようになっている。
側部無端ベルトは、連続移動金型7の側壁面を構成して
いる。
The tapered portion 22 can be arbitrarily changed in angle so that the molding material 6 does not stay in the tapered portion 22 at the time of consolidation described later.
The side endless belt forms a side wall surface of the continuously moving mold 7.

【0032】また、上部無端ベルト3、下部無端ベルト
2および側部無端ベルトとによって形成された連続移動
金型7は、挿入域、発泡域、硬化域、冷却域から構成さ
れている。切断機4は、連続移動金型7で成形されて連
続的に排出される長尺の成形品8を所定のサイズの製品
81に切断するようになっている。
The continuous moving mold 7 formed by the upper endless belt 3, the lower endless belt 2, and the side endless belt includes an insertion area, a foaming area, a hardening area, and a cooling area. The cutting machine 4 cuts a long molded product 8 formed by the continuous moving mold 7 and continuously discharged into a product 81 of a predetermined size.

【0033】この製造装置Aは、以上のようになってお
り、混合機15から下部無端ベルト2の材料供給部21
に供給された成形材料6が下部無端ベルト2によって上
部無端ベルト3のテーパ部22で搬送されてくると、テ
ーパ部22のテーパによって下部無端ベルト2との間
で、徐々にその厚みが減少させられる。すなわち、圧密
化され、最終的に成形材料6が連続移動金型7の入口断
面形状、すなわち、得たい成形品8の断面寸法に圧密さ
れる。
The manufacturing apparatus A is configured as described above, and the material supply section 21 of the lower endless belt 2 is supplied from the mixer 15.
When the molding material 6 supplied to the lower endless belt 2 is conveyed by the lower endless belt 2 at the tapered portion 22 of the upper endless belt 3, the thickness thereof gradually decreases between the lower endless belt 2 and the tapered portion 22. Can be That is, the molding material 6 is compacted, and finally the molding material 6 is compacted to the cross-sectional shape of the inlet of the continuously moving mold 7, that is, the cross-sectional dimension of the molded product 8 to be obtained.

【0034】このようにして圧密化された成形材料6
が、連続移動金型7内に入ると、液状熱硬化性樹脂組成
物が重合反応して成形品8となる。そして、重合反応時
の発熱によって温度が上昇した成形品8が冷却域に導入
され必要温度まで冷却される。以上のように、この製造
装置Aを用いた製造方法によれば、成形材料供給部21
に供給された成形材料6を、連続移動金型7の直前に設
けられた上部無端ベルト3のテーパ部22と下部無端ベ
ルト2との間で、予めテーパ部22と下部無端ベルト2
と成形材料6間の摩擦抵抗により、成形材料6を連続移
動金型7方向にへと噛み込ませて行き徐々に圧密化し、
この圧密化状態を保ちながら連続移動金型7内に導入し
て、成形材料6中の液状熱硬化性樹脂組成物を熱硬化さ
せて成形品8を得るようになっている。
The molding material 6 thus compacted
However, when the liquid thermosetting resin composition enters the continuous moving mold 7, the liquid thermosetting resin composition undergoes a polymerization reaction to form a molded article 8. Then, the molded article 8 whose temperature has risen due to the heat generated during the polymerization reaction is introduced into a cooling zone and cooled to a required temperature. As described above, according to the manufacturing method using the manufacturing apparatus A, the molding material supply unit 21
Is supplied between the tapered portion 22 of the upper endless belt 3 and the lower endless belt 2 provided immediately before the continuous moving die 7 in advance.
Due to the frictional resistance between the molding material 6 and the molding material 6, the molding material 6 is bitten in the direction of the continuously moving mold 7 and gradually compacted,
While maintaining this compacted state, the liquid thermosetting resin composition in the molding material 6 is introduced into the continuously moving mold 7 and thermally cured to obtain a molded product 8.

【0035】したがって、骨材が高充填された樹脂成形
品を連続的かつ安定的に製造することができる。
Therefore, it is possible to continuously and stably produce a resin molded product highly filled with aggregate.

【0036】図2は本発明にかかる製造装置の他の実施
の形態をあらわしている。図2に示すように、この製造
装置Bは、材料供給部21の後方で、テーパ部22の前
方に予備圧密化のためのプレス装置5を設けるととも
に、連続移動金型7の後方に引取機9を設けるようにし
た以外は、上記製造装置Aと同様になっている。
FIG. 2 shows another embodiment of the manufacturing apparatus according to the present invention. As shown in FIG. 2, this manufacturing apparatus B is provided with a press device 5 for pre-consolidation behind a material supply unit 21 and in front of a tapered portion 22, and a take-up machine behind a continuously moving mold 7. 9 is the same as the above-mentioned manufacturing apparatus A, except that 9 is provided.

【0037】この製造装置Bは、以上のようになってお
り、混合機15から下部無端ベルト2の材料供給部21
に供給された成形材料6が、まず、プレス装置5によっ
て予備圧密化されて、少なくとも成形材料6の上面が緻
密化される。そののち、下部無端ベルト2によって上部
無端ベルト3のテーパ部22で搬送されてくると、テー
パ部22のテーパによって下部無端ベルト2との間で、
徐々にその厚みを減少させられてさらに圧密化され、最
終的に成形材料6が連続移動金型7の入口断面形状、す
なわち、得たい成形品8の断面寸法に圧密される。そし
て、連続移動金型7で同様にして長尺の成形品8とした
のち、引取機9によってこの長尺の成形品8を一定速度
で引き取るようになっている。
The manufacturing apparatus B is configured as described above. The material supply unit 21 of the lower endless belt 2 is supplied from the mixer 15.
Is first pre-consolidated by the press device 5, and at least the upper surface of the molding material 6 is densified. After that, when the lower endless belt 2 conveys the tape at the tapered portion 22 of the upper endless belt 3, the taper of the tapered portion 22 causes the lower endless belt 2 to convey to the lower endless belt 2.
The thickness of the molding material 6 is gradually reduced to further consolidate, and finally the molding material 6 is consolidated to the cross-sectional shape of the inlet of the continuously moving mold 7, that is, the cross-sectional dimension of the molded product 8 to be obtained. Then, after the continuous moving mold 7 similarly forms the long molded product 8, the take-off machine 9 takes the long molded product 8 at a constant speed.

【0038】以上のように、この製造装置Bを用いた製
造方法によれば、成形材料供給部21に供給された成形
材料6を、プレス装置5によって予備圧密化するように
したので、滑りやすい(静摩擦係数の小さい)成形材料
の場合でもテーパ部22のテーパ角を緩くかつテーパ部
22の全長を長くすることなく、骨材が項充填された樹
脂成形品を連続的かつ安定的に製造することができる。
As described above, according to the manufacturing method using the manufacturing apparatus B, the molding material 6 supplied to the molding material supply section 21 is pre-consolidated by the press device 5, so that it is slippery. Even in the case of a molding material (having a small coefficient of static friction), a resin molded product filled with aggregate is continuously and stably manufactured without loosening the taper angle of the tapered portion 22 and without increasing the entire length of the tapered portion 22. be able to.

【0039】すなわち、混合機15から供給された成形
材料6の骨材と液状熱硬化性樹脂組成物との間に大きな
隙間が有る場合などのように、滑りやすい(静摩擦係数
の小さい)成形材料の場合には、テーパ部22のテーパ
角を緩くしなければ、テーパ部22と下部無端ベルト2
との間でうまく圧密化することができないが、テーパ部
22のテーパ角を緩くすると、テーパ部22の全長も長
くせざるを得ない。したがって、製造装置の全長も長く
なり、コスト的に問題がある。しかし、この製造装置B
のように、予備圧密を行うことによって成形材料6の上
面を緻密化することで静摩擦係数を大きくするようにす
れば、テーパ部22のテーパ角を急勾配な状態、すなわ
ち、テーパ部22の全長を短くしても骨材が項充填され
た樹脂成形品を連続的かつ安定的に製造することができ
るようになる。
That is, as in the case where there is a large gap between the aggregate of the molding material 6 supplied from the mixer 15 and the liquid thermosetting resin composition, the molding material is slippery (has a small static friction coefficient). In the case of (2), unless the taper angle of the tapered portion 22 is not loosened, the tapered portion 22 and the lower endless belt 2
However, if the taper angle of the tapered portion 22 is reduced, the overall length of the tapered portion 22 must be increased. Therefore, the overall length of the manufacturing apparatus is also increased, and there is a problem in cost. However, this manufacturing apparatus B
As described above, if the upper surface of the molding material 6 is densified by performing pre-consolidation to increase the coefficient of static friction, the taper angle of the tapered portion 22 is steep, that is, the entire length of the tapered portion 22. Even if the length is shortened, it becomes possible to continuously and stably produce a resin molded product in which the aggregate is filled.

【0040】本発明は、上記の実施の形態に限定されな
い。たとえば、上記の実施の形態では、側部無端ベルト
が設けられていたが、側部無端ベルトはなくても構わな
い。また、上記の実施の形態では、上部,下部,側部の
各無端ベルトがスラットコンベヤ式ベルトであったが、
スチールベルトや成形時の温度に耐えるのであれば、樹
脂製のベルトなどを用いるようにしても構わない。
The present invention is not limited to the above embodiment. For example, in the above embodiment, the side endless belt is provided, but the side endless belt may be omitted. In the above embodiment, the upper, lower, and side endless belts are slat conveyor belts.
A steel belt or a resin belt may be used as long as it can withstand the temperature during molding.

【0041】さらに、側部無端ベルトにもテーパ部を設
けるようにしても構わない。また、上記の実施の形態で
は、連続移動金型の下部金型部と材料供給部21とが下
部無端ベルト2だけで構成されていたが、材料供給部2
1を構成する無端ベルトと、金型底面を構成する無端ベ
ルトとは別体にするようにしても構わない。
Further, a tapered portion may be provided on the side endless belt. Further, in the above-described embodiment, the lower mold part of the continuous moving mold and the material supply unit 21 are constituted only by the lower endless belt 2.
The endless belt forming the mold 1 and the endless belt forming the mold bottom surface may be formed separately.

【0042】[0042]

【実施例】以下に、本発明の実施例を示す。 (実施例1)図1に示した製造装置Aを用いて以下の製
造条件で樹脂成形品の製造を行った。
Examples of the present invention will be described below. Example 1 A resin molded product was manufactured using the manufacturing apparatus A shown in FIG. 1 under the following manufacturing conditions.

【0043】[製造条件] 液状熱硬化性樹脂組成物(硬質ウレタン樹脂)→発
泡を伴う ポリエーテルポリオール(水酸基価390)100重量
部に対して、ポリメチレンポリフェニルポリイソシアネ
ート110重量部、整泡用シリコンオイル剤0.5重量
部、水0.3重量部反応触媒としてジブチル錫ラウレー
ト0.05重量部からなる液状熱硬化性樹脂組成物 骨材…7号珪砂 成形材料中の骨材充填率…55容量% ライン速度…1m/分 テーパ部のテーパ角…10° 連続移動金型の温度分布…挿入域=室温、発泡域=5
0℃、硬化域=80℃、冷却域=室温 成形品断面寸法…巾200mm、高100mm
[Manufacturing conditions] Liquid thermosetting resin composition (hard urethane resin) → 100 parts by weight of polyether polyol (hydroxyl value: 390) with foaming, 110 parts by weight of polymethylene polyphenyl polyisocyanate, foam stabilizer Liquid thermosetting resin composition composed of 0.5 parts by weight of silicone oil agent for use and 0.3 parts by weight of water 0.05 parts by weight of dibutyltin laurate as a reaction catalyst Aggregate: No. 7 silica sand Aggregate filling rate in molding material ... 55% by volume Line speed ... 1m / min Taper angle of taper section ... 10 ° Temperature distribution of continuously moving mold ... Insertion area = room temperature, foaming area = 5
0 ° C, Curing range = 80 ° C, Cooling range = Room temperature Molded product cross-section dimensions: width 200mm, height 100mm

【0044】(実施例2)図2に示した製造装置Bを用
いて以下の製造条件で樹脂成形品の製造を行った。
Example 2 A resin molded product was manufactured using the manufacturing apparatus B shown in FIG. 2 under the following manufacturing conditions.

【0045】[製造条件] 発泡性熱硬化性樹脂組成物(硬質ウレタン樹脂) ポリエーテルポリオール(水酸基価390)100重量
部に対して、ポリメチレンポリフェニルポリイソシアネ
ート110重量部、整泡用シリコンオイル剤0.5重量
部、水0.3重量部、反応触媒としてジブチル錫ラウレ
ート0.05重量部からなる発泡性熱硬化性樹脂組成物 骨材…3号珪砂、7号珪砂 成形材料中の骨材充填率…3号=52容量%、7号=
13容量% ライン速度…1m/分 予備プレス…あり テーパ部のテーパ角…30° 連続移動金型の温度分布…挿入域=室温、発泡域=5
0℃、硬化域:80℃、冷却域=室温 成形品断面寸法…巾200mm、高100mm
[Manufacturing conditions] 110 parts by weight of polymethylene polyphenyl polyisocyanate, 100 parts by weight of polyether polyol (hydroxyl value: 390), silicone oil for foam control, based on 100 parts by weight of foamable thermosetting resin composition (hard urethane resin) Foaming thermosetting resin composition comprising 0.5 part by weight of an agent, 0.3 part by weight of water, and 0.05 part by weight of dibutyltin laurate as a reaction catalyst Aggregate: No. 3 silica sand, No. 7 silica Bone in molding material Material filling rate: No. 3 = 52% by volume, No. 7 =
13% by volume Line speed: 1 m / min Pre-press: Yes Taper angle of taper part: 30 ° Temperature distribution of continuously moving mold: Insertion area = room temperature, foaming area = 5
0 ° C, Curing area: 80 ° C, Cooling area = Room temperature Molded product cross-section dimensions: width 200mm, height 100mm

【0046】(比較例1)テーパ部のテーパ角を0°す
なわちテーパ部をなくしたこと以外は、実施例1と同様
にして成形品を製造した。
Comparative Example 1 A molded product was manufactured in the same manner as in Example 1 except that the taper angle of the tapered portion was 0 °, ie, the tapered portion was eliminated.

【0047】上記実施例1,2、比較例1で得た成形品
中の骨材充填率、圧縮強度、テーパ部での成形材料滞留
の有無を評価し、その結果を表1に示した。なお、成形
品中の骨材充填率は得られた成形品をマッフル炉で焼き
有機成分を取り除いた後、残存する無機物つまり骨材成
分の重量を測定し算出した。また、成形材料滞留の有無
は、目視でテーパ部付近を観察し圧密の観察を行った。
連続運転は約3時間行った。圧縮強度は、JIS K
2101の方法を用いて測定した。
The aggregate filling rate, compressive strength, and the presence or absence of stagnation of the molding material in the tapered portion in the molded articles obtained in Examples 1 and 2 and Comparative Example 1 were evaluated. The results are shown in Table 1. The filling rate of the aggregate in the molded article was calculated by baking the molded article in a muffle furnace to remove the organic component, and then measuring the weight of the remaining inorganic substance, that is, the aggregate component. In addition, the presence or absence of the stagnation of the molding material was observed by visually observing the vicinity of the tapered portion and observing the consolidation.
The continuous operation was performed for about 3 hours. Compressive strength is JIS K
It was measured using the method of 2101.

【0048】[0048]

【表1】 [Table 1]

【0049】表1から、本発明の製造方法によれば、成
形材料中の骨材充填率と同じ骨材充填率の成形品を安定
して得られることがよく分かる。しかも、実施例2のよ
うに予備圧密工程を設けるようにすれば、テーパ部のテ
ーパ角を急勾配にしても成形材料が連続移動金型側に圧
密化されながスムーズに送られることがよく分かる。
Table 1 clearly shows that the production method of the present invention can stably obtain a molded product having the same aggregate filling ratio as the aggregate filling ratio in the molding material. In addition, when the preliminary consolidation step is provided as in the second embodiment, the molding material can be smoothly conveyed to the continuously moving mold even though the taper angle of the tapered portion is steeply increased. I understand.

【0050】[0050]

【発明の効果】本発明の骨材入り樹脂成形品の連続製造
方法および連続製造装置によれば、上述のように、少量
の液状熱硬化性樹脂組成物と多量の骨材が混合された成
形材料であっても、滞留を生じさせることなく連続的に
圧密化することが可能となり、骨材が高充填された樹脂
成形品を連続的かつ安定的に製造することができる。し
かも、繊維強化プラスチック成形品の粉砕物や木材粉等
の廃棄されていた粉粒体を骨材として使用することがで
きるようになり、成形品の製造コストを低減できる。
According to the continuous production method and the continuous production apparatus for an aggregate-containing resin molded product of the present invention, as described above, a molding in which a small amount of a liquid thermosetting resin composition and a large amount of an aggregate are mixed. Even if it is a material, it is possible to continuously consolidate without causing stagnation, and it is possible to continuously and stably produce a resin molded product highly filled with aggregate. In addition, discarded granules of fiber-reinforced plastic molded products, wood powder, and the like can be used as aggregates, and the production cost of molded products can be reduced.

【0051】また、請求項2のようにすれば、成形材料
の性状(静摩擦係数など)が変わった場合にも、テーパ
部のテーパ角を緩くしなくても、すなわち、装置を大き
くすることなく、骨材が高い充填密度で充填された樹脂
成形品を連続的かつ安定的に製造することができる。
Further, according to the present invention, even when the properties (static friction coefficient, etc.) of the molding material change, the taper angle of the tapered portion does not need to be reduced, that is, without increasing the size of the apparatus. In addition, it is possible to continuously and stably produce a resin molded product filled with an aggregate at a high packing density.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明にかかる骨材入り樹脂成形品の連続製造
装置の1つの実施の形態を説明する説明図である。
FIG. 1 is an explanatory view illustrating one embodiment of a continuous production apparatus for an aggregate-containing resin molded product according to the present invention.

【図2】本発明にかかる骨材入り樹脂成形品の連続製造
装置の他の実施の形態を説明する説明図である。
FIG. 2 is an explanatory view illustrating another embodiment of the continuous production apparatus for an aggregate-containing resin molded product according to the present invention.

【符号の説明】[Explanation of symbols]

A,B 連続製造装置 2 下部無端ベルト 21 材料供給部 23 下部金型部 3 上部無端ベルト 31 上部金型部 32 テーパ部 A, B continuous manufacturing apparatus 2 lower endless belt 21 material supply section 23 lower mold section 3 upper endless belt 31 upper mold section 32 taper section

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】液状熱硬化性樹脂組成物に骨材が高充填さ
れた成形材料を連続移動金型で硬化反応を順次行わせ成
形品を連続成形する骨材入り樹脂成形品の連続製造方法
において、前記成形材料を無端ベルト上に供給する材料
供給工程と、無端ベルト上に供給された成形材料を無端
ベルトで連続移動金型方向へ搬送しながら前記無端ベル
ト上で上方から徐々にかつ連続的に圧縮し、連続移動金
型入口で得ようとする成形品の厚みになるまで圧密化し
た状態にする連続圧密化工程とを備えていることを特徴
とする骨材入り樹脂成形品の連続製造方法。
1. A method for continuously producing an aggregate-containing resin molded product, wherein a molding material in which a liquid thermosetting resin composition is highly filled with an aggregate is subjected to a curing reaction sequentially by a continuous moving mold to continuously mold the molded product. A material supply step of supplying the molding material onto the endless belt, and gradually and continuously from above on the endless belt while conveying the molding material supplied on the endless belt in the direction of the continuous moving mold by the endless belt. A continuous consolidation step of subjecting the molded article to a state of compacting until the thickness of the molded article to be obtained at the entrance of the continuous moving mold is obtained. Production method.
【請求項2】材料供給工程と、連続圧密化工程との間に
設けられたプレス手段によって成形材料の少なくとも上
面を予備圧密化する予備圧密工程を備えている請求項1
に記載の骨材入り樹脂成形品の連続製造方法。
2. A pre-consolidation step for pre-consolidating at least the upper surface of a molding material by a pressing means provided between the material supply step and the continuous consolidation step.
4. The continuous production method for a resin molded article containing an aggregate according to item 1.
【請求項3】液状熱硬化性樹脂組成物に骨材が充填され
た成形材料が上方から供給される材料供給部と、材料供
給部の後方に位置し、材料供給部に供給された成形材料
を連続的に成形する連続移動金型の下面側を構成する下
側金型部とを有する下部無端ベルトと、前記下部金型部
と対面するように設けられ、連続移動金型の上面側を構
成する上部金型部と、前記材料供給部より後方に設けら
れ、下部無端ベルトとの距離が上部金型部と下部金型部
との距離まで徐々に狭くなり、材料供給部から連続的に
搬送されてくる成形材料を下部無端ベルトとの間で徐々
に圧密化するテーパ部とを有する上部無端ベルトとを備
える骨材が高充填された樹脂成形品の連続製造装置。
3. A material supply section to which a molding material in which an aggregate is filled in a liquid thermosetting resin composition is supplied from above, and a molding material located behind the material supply section and supplied to the material supply section. A lower endless belt having a lower mold part constituting a lower surface side of a continuous moving mold for continuously molding, and provided so as to face the lower mold part, and an upper surface side of the continuous moving mold is provided. The upper mold part to be configured, provided behind the material supply part, the distance between the lower endless belt gradually decreases to the distance between the upper mold part and the lower mold part, and continuously from the material supply part. An apparatus for continuously manufacturing a resin molded product highly filled with an aggregate, comprising an upper endless belt having a tapered portion for gradually consolidating a conveyed molding material between the lower endless belt.
JP2000106634A 2000-04-07 2000-04-07 Method and apparatus for continuously producing resin molding containing aggregate Pending JP2001287232A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000106634A JP2001287232A (en) 2000-04-07 2000-04-07 Method and apparatus for continuously producing resin molding containing aggregate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000106634A JP2001287232A (en) 2000-04-07 2000-04-07 Method and apparatus for continuously producing resin molding containing aggregate

Publications (1)

Publication Number Publication Date
JP2001287232A true JP2001287232A (en) 2001-10-16

Family

ID=18619771

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000106634A Pending JP2001287232A (en) 2000-04-07 2000-04-07 Method and apparatus for continuously producing resin molding containing aggregate

Country Status (1)

Country Link
JP (1) JP2001287232A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005125774A (en) * 2003-09-30 2005-05-19 Toray Ind Inc Manufacturing method and apparatus of molded article
JP2011088383A (en) * 2009-10-23 2011-05-06 Asahi Kasei E-Materials Corp Method for producing compression molding of resin composition including highly charged inorganic filler
JP2021525669A (en) * 2018-05-28 2021-09-27 エクテック エンジニアード クォーツ テクノロジー ゲゼルシャフト ミット ベシュレンクテル ハフツング Methods and equipment for forming artificial stone plates

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005125774A (en) * 2003-09-30 2005-05-19 Toray Ind Inc Manufacturing method and apparatus of molded article
JP4661152B2 (en) * 2003-09-30 2011-03-30 東レ株式会社 Method and apparatus for manufacturing molded product
JP2011088383A (en) * 2009-10-23 2011-05-06 Asahi Kasei E-Materials Corp Method for producing compression molding of resin composition including highly charged inorganic filler
JP2021525669A (en) * 2018-05-28 2021-09-27 エクテック エンジニアード クォーツ テクノロジー ゲゼルシャフト ミット ベシュレンクテル ハフツング Methods and equipment for forming artificial stone plates

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