CN106738990A - 一种连续模压挤出弧状玻璃钢棒工艺方法 - Google Patents

一种连续模压挤出弧状玻璃钢棒工艺方法 Download PDF

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CN106738990A
CN106738990A CN201611163300.7A CN201611163300A CN106738990A CN 106738990 A CN106738990 A CN 106738990A CN 201611163300 A CN201611163300 A CN 201611163300A CN 106738990 A CN106738990 A CN 106738990A
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circular arc
arcuation
fiberglass rod
tractor
continuous
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吴德山
张瑞祥
裴明霞
张至祥
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Jiangmen Ruixiang Composite Materials Research Institute Co Ltd
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    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/355—Conveyors for extruded articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/58—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0011—Combinations of extrusion moulding with other shaping operations combined with compression moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/91—Heating, e.g. for cross linking
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    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
    • C08K7/04—Fibres or whiskers inorganic
    • C08K7/08—Oxygen-containing compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
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    • B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
    • B29C2043/3676—Moulds for making articles of definite length, i.e. discrete articles moulds mounted on rotating supporting constuctions
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/58—Measuring, controlling or regulating
    • B29C2043/5816—Measuring, controlling or regulating temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
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Abstract

本发明公开了一种连续模压挤出弧状玻璃钢棒工艺方法，采用往返式移动模压‑挤出成型原理，利用带有圆弧牵引器作为固化和模具沿固定圆心往返运动，由连续增强纤维材料和热固性树脂组成的混合物进入圆弧牵引器的圆弧形内腔内固化，然后圆弧牵引器反方向运行将压制好的弧形制品推出，如此循环往返，连续获得连续弯曲拉挤型材。本工艺方法简单有效，生产效率高。

Description

一种连续模压挤出弧状玻璃钢棒工艺方法
技术领域
本发明涉及一种玻璃钢连续模压拉挤工艺方法，特别是涉及一种应用在石油和天然气工业或海洋工程中的弯曲承载软棒玻璃钢制品的工艺方法。
背景技术
目前现有应用在石油和天然气工业或工程中的弯曲承载玻璃钢棒的工艺方法，其主要包括直线型连续拉挤玻璃钢棒，或者弯曲挤出成型的钢质软棒。
但是传统的该连续弯曲挤出成型的钢质软棒方法在具体使用的时候还存在着诸多的缺点。其中，缺点一为重量较大，增加了管道工程施工难度，材料消耗量大；缺点二为先用软质钢棒耐污、耐化学腐蚀性能差，材料的使用寿命受到制约，使用年限不长，更换维修费用大。纤维增强树脂基复合材料由于具有“重量轻、产品精、性能高、耐腐蚀”等优点，作为石油和天然气工业或工程中的弯曲承载玻璃钢棒具有明显优势，价格性能比优良，目前欧美地区已经开始试验使用和推广，受到良好的效果和评价。
另外，该产品还可以广泛替代钢筋材料用作海洋、堤岸、化工等工程混凝土的弯曲、弧形钢筋部分，减轻制件重量、提高防腐性能、延长工程寿命。
发明内容
本发明的目的是为了克服上述现有技术的缺点，提供一种连续模压挤出弧状玻璃钢棒工艺方法，其特征在于：所述的工艺方法包括：
步骤A:将高强度合成纤维置温度38℃-45℃，控制湿度为30%-50%，保持时间为20min-30min;同期将增强纤维材料和热固性树脂的混合物置于挤出机，并控制温度20℃-45℃；
步骤B:将步骤A处理好的高强度合成纤维引入挤出机，并连同混合物一同挤出；
步骤C:步骤B的挤出物在挤出后以48℃-55℃的热风吹2min-3min，形成半固化状态；
步骤D：将步骤C形成的半固化状态物引入带有圆弧形内腔的可圆周运动的圆弧牵引器，圆弧牵引器绕圆心来回运作，圆弧牵引器绕往前行进时半固化状态物在圆弧形内腔内形成固化物，圆弧牵引器绕返回时将固化物释放重新引入半固化状态物，如此不断循环形成圆弧状弯曲玻璃钢棒；
步骤E：步骤D形成的圆弧状弯曲玻璃钢棒在常温放置48小时后即可形成圆弧状弯曲玻璃钢棒成品。
进一步，上述圆弧形内腔温度控制在70℃-85℃，步骤C形成的半固化状态物在圆弧形内腔停留的时间小于15s；
进一步，增强纤维材料为有机纤维或/和无机纤维，尤其适用添加镁盐晶须（缩写M-HOS）;
进一步，热固性树脂为三聚氰胺甲醛树脂、呋喃树脂、聚丁二烯树脂、有机硅树脂中的任一种或相互组合。突出使用有机硅树脂这种聚有机硅氧烷中一类分子量不高的热固性树脂。用这类树脂制造的玻璃钢棒成品，在较高的温度范围内（200℃～250℃）使用。
上述方法采用往返式移动模压-挤出成型原理，利用带有圆弧牵引器作为固化和模具沿固定圆心往返运动，由连续增强纤维材料和热固性树脂组成的混合物进入圆弧牵引器的圆弧形内腔内固化，然后圆弧牵引器反方向运行将压制好的弧形制品推出，如此循环不断，获得连续弯曲拉挤型材。本工艺方法简单有效，生产效率高。
附图说明
图1是本发明实施例1的工艺方法的装置结构示意简图；
图2-3是本发明实施例1的工艺方法的简单工作示意图。
具体实施方式
实施例1
本实施例1所描述的一种连续模压挤出弧状玻璃钢棒工艺方法，如图1-3所示，一种连续模压挤出弧状玻璃钢棒工艺方法，其特征在于：所述的工艺方法包括：
步骤A:将高强度合成纤维1置温度40℃，湿度为40%的预处理室2，保持时间为25min;同期将镁盐晶须作为增强纤维材料和将有机硅树脂作为热固性树脂的混合物置于挤出机3中，并控制混合物温度30℃；
步骤B:将步骤A处理好的高强度合成纤维引入挤出机，并连同混合物一同挤出；
步骤C:步骤B的挤出物在挤出后以50℃的热风吹2min，形成半固化状态；
步骤D：如图2，将步骤C形成的半固化状态物引入带有圆弧形内腔6的可圆周运动的圆弧牵引器7，圆弧形内腔外壁有制热元件5可控制腔内温度在80℃；如图3，控制圆弧牵引器绕圆心向前运动10 s到设定位置，然后返回图2的起始位置；再运动10 s到设定位置，如此不断循环形成圆弧状弯曲玻璃钢棒；
步骤E：步骤D形成的圆弧状弯曲玻璃钢棒在常温放置48小时后即可形成高温状态使用的圆弧状弯曲玻璃钢棒成品。
以上所述，仅是本发明的较佳实施例而已，并非对本发明的结构作任何形式上的限制。凡是依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均仍属于本发明的技术方案的范围内。

Claims (4)

1.一种连续模压挤出弧状玻璃钢棒工艺方法，其特征在于，所述的工艺方法包括：
步骤A:将高强度合成纤维置温度38℃-45℃，控制湿度为30%-50%，保持时间为20min-30min;同期将增强纤维材料和热固性树脂的混合物置于挤出机，并控制温度20℃-45℃；
步骤B:将步骤A处理好的高强度合成纤维引入挤出机，并连同混合物一同挤出；
步骤C:步骤B的挤出物在挤出后以48℃-55℃的热风吹2min-3min，形成半固化状态；
步骤D：将步骤C形成的半固化状态物引入带有圆弧形内腔的可圆周运动的圆弧牵引器，圆弧牵引器绕圆心来回运作，圆弧牵引器绕往前行进时半固化状态物在圆弧形内腔内形成固化物，圆弧牵引器绕返回时将固化物释放重新引入半固化状态物，如此不断循环形成圆弧状弯曲玻璃钢棒；
步骤E：步骤D形成的圆弧状弯曲玻璃钢棒在常温放置48小时后即可形成圆弧状弯曲玻璃钢棒成品。
2.根据权利要求1所述的一种连续模压挤出弧状玻璃钢棒工艺方法，其特征在于，所述圆弧形内腔温度控制在70℃-85℃，步骤C形成的半固化状态物在圆弧形内腔停留的时间小于15s。
3.根据权利要求2所述的一种连续模压挤出弧状玻璃钢棒工艺方法，其特征在于，增强纤维材料为有机纤维或/和无机纤维，热固性树脂为三聚氰胺甲醛树脂、呋喃树脂、聚丁二烯树脂、有机硅树脂中的任一种或相互组合。
4.根据权利要求3所述的一种连续模压挤出弧状玻璃钢棒工艺方法，其特征在于，增强纤维材料为添加镁盐晶须（缩写M-HOS）; 热固性树脂为有机硅树脂。
CN201611163300.7A 2016-12-15 2016-12-15 一种连续模压挤出弧状玻璃钢棒工艺方法 Pending CN106738990A (zh)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2574883Y (zh) * 2002-10-29 2003-09-24 骏丰记企业股份有限公司 塑胶弯管成型机装置
CN101641205A (zh) * 2007-03-23 2010-02-03 托马斯技术创新有限及两合公司 用于制造塑料型材的方法和装置
CN103341966A (zh) * 2013-06-07 2013-10-09 南京诺尔泰复合材料设备制造有限公司 高性能纤维弯曲型材生产方法及生产线

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2574883Y (zh) * 2002-10-29 2003-09-24 骏丰记企业股份有限公司 塑胶弯管成型机装置
CN101641205A (zh) * 2007-03-23 2010-02-03 托马斯技术创新有限及两合公司 用于制造塑料型材的方法和装置
CN103341966A (zh) * 2013-06-07 2013-10-09 南京诺尔泰复合材料设备制造有限公司 高性能纤维弯曲型材生产方法及生产线

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Application publication date: 20170531