CN113942253B - 一种一体化制备复合材料方舱的方法 - Google Patents
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- B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
- B29C70/342—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation using isostatic pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
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Abstract
本发明公开了一种一体化制备复合材料方舱的方法,属于复合材料方舱技术领域,包括:在模具内5个面上进行外蒙皮的铺设;进行碳方管的架设:先放顶部棱边4条碳方管,然后插入立面棱边的4条碳方管,最后放入底部4条碳方管;整体内侧贴脱模布,并整体进行打真空袋,然后整体送入热压罐进行固化,全程抽真空;外蒙皮固化完毕后,不脱模,撕掉脱模布,铺放一层胶膜,然后放入预埋件、PVC泡沫、PVC穿线管,进行抽真空,压实以后再放一层胶膜,然后铺放内蒙皮;内蒙皮铺层完毕后整体打真空袋,进烘箱固化和抽真空。本发明通过采用该方法制备的复合材料方舱成型周期短、质量轻、强度高、耐酸碱、抗疲劳、减震性好、使用寿命长等优越的性能。
Description
技术领域
本发明涉及符合材料方舱技术领域,具体涉及一种一体化制备复合材料方舱的方法。
背景技术
近年来,复合材料方舱由于其具有高比强度、高比模量、良好的抗疲劳特性等优良特性在汽车领域都得到广泛的应用。
传统的金属材料制备的大板方舱存在质量大,防水密封性能差,耐腐蚀性能差等问题,目前车辆车体的方舱轻量化、智能化等要求不断提高;因此,研发一种一体化复合材料方舱成型制备方法,克服传统金属大板方舱制备麻烦,成型操作不方便,以及制备出的方舱舱体重量大、密封性能差、耐腐蚀性差等问题。
发明内容
本发明针对上述问题,提供一种一体化制备复合材料方舱的方法。
本发明采用的技术方案为:一种一体化制备复合材料方舱的方法,包括:在模具内5个面上进行外蒙皮的铺设,在棱边错层搭接;
进行碳方管的架设:先放顶部棱边4条碳方管,然后插入立面棱边的4条碳方管,最后放入底部4条碳方管;
整体内侧贴脱模布,并整体进行打真空袋,然后整体送入热压罐进行固化,全程抽真空;
外蒙皮固化完毕后,不脱模,撕掉脱模布,铺放一层胶膜,然后放入预埋件、PVC泡沫、PVC穿线管,进行抽真空,压实以后再放一层胶膜,然后铺放内蒙皮,铺层方式与外蒙皮对称;
内蒙皮铺层完毕后整体打真空袋,进烘箱固化,全程抽真空;
固化完成后,进行脱模、切边、打磨、喷底漆,出厂前进行尺寸检测。
本发明的优点:
采用一体化成型方法制备的碳纤维复合材料方舱具有质量轻、强度高、耐酸碱、抗疲劳、减震性好、使用寿命长、防水密封性能好等多重优越性能,重量上较传统金属大板方舱减轻50%~70%;同时,一体化成型,无需后续加工,简化了方舱成型流程,缩短了成型周期,实现了武器装备轻量化,使整车机动性、安全性、稳定性、先进性等各项性能大幅度提高。
附图说明
构成本申请的一部分的附图用来提供对本发明的进一步理解,本发明的示意性实施例及其说明用于解释本发明,并不构成对本发明的不当限定。
图1是本发明实施例的工艺流程图;
图2是本发明实施例的模具示意图。
附图标记:
1为底座;2为模具底板;3为模具左侧板;4为模具右侧板;5为模具前侧板;6为模具后侧板;7为模具压板。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白,以下结合附图及实施例,对本发明进行进一步详细说明。应当理解,此处所描述的具体实施例仅用以解释本发明,并不用于限定本发明。
实施例一
参见图1,如图1所示,一种一体化制备复合材料方舱的方法,包括:
步骤1、裁剪出符合要求的预浸料、泡沫芯材和碳管骨架,其中,预浸料包括:碳纤维预浸料、玻璃纤维预浸料、芳纶纤维预浸料,可以是其中的一种或者几种混合,优选为外层使用碳纤维预浸料提高蒙皮强度,中间使用芳纶预浸料增强蒙皮的抗冲击性能,最内层使用玻璃纤维预浸料,用来改善芳纶纤维与泡沫芯材的粘接性能,泡沫芯材包括PVC泡沫芯材、聚氨酯泡沫芯材等,优选为使用PVC泡沫芯材;
步骤2、提前将金属预埋件和铝蜂窝预制件制备好,其中铝蜂窝预制件提前用蜂窝填充胶填好;
步骤3、使用丙酮对所要用到的复合材料方舱模具进行清洁处理,然后用脱模剂均匀的涂抹到模具表面,涂脱模剂应首先沿一个方向涂抹脱模剂,然后再沿着之前的垂直方向再次涂抹;
步骤4、首先进行外蒙皮铺层,蒙皮厚度约为1-2mm,在模具内部的5个面上进行铺层,在棱边错层搭接;
步骤5、外蒙皮铺层完成后,按图纸位置放置碳方管骨架,先放顶部棱边4条方管,然后插入立面棱边的4条方管,最后放入底部4条方管,这些方管壁厚都是5mm-8mm,然后再放入加强骨架,这些方管壁厚都是2mm-4mm,方管之间使用碳纤维预浸料铺成L型件进行连接,L型件翻边与外蒙皮搭接,提高稳定性。铺层完毕后在内侧贴上脱模布,以便后续粘接,然后整体打真空袋,进热压罐固化,固化程序90℃-130℃保温2-4h,全程抽真空;
步骤6、外蒙皮固化完毕后,不脱模,撕掉脱模布,铺放一层胶膜,然后放入预埋件、PVC泡沫、PVC穿线管,抽真空0.5-1h,压实以后再放一层胶膜,然后继续铺放内蒙皮,内蒙普铺层方式与外蒙皮对称,厚度约为1-2mm。铺层完毕后整体打真空袋,进烘箱固化,固化程序90℃-130℃保温2-4h,全程抽真空;
步骤7、固化完成后,按常规程序脱模、切边、打磨、喷底漆,出厂前进行尺寸检测。
实施例二
参见图2,如图2所述,一种一体化制备复合材料方舱的模具,包括:底座1、模具底板2、模具左侧板3、模具右侧板4、模具前侧板5、模具后侧板6和模具压板7;
所述模具底板2连接在所述底座1上,所述模具左侧板3、所述模具右侧板4、所述模具前侧板5和所述模具后侧板6分别相对应的连接在所述模具底板2顶部的左、右、前、后;所述模具左侧板3、所述模具右侧板4、所述模具前侧板5和所述模具后侧板6的顶部均连接有所述模具压板7。
所述模具左侧板3、所述模具右侧板4、所述模具前侧板5和所述模具后侧板6的内表面设置有预埋件位置及门窗位置刻线
以上所述仅为本发明的较佳实施例,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (10)
1.一种一体化制备复合材料方舱的方法,其特征在于,包括:
在模具内5个面上进行外蒙皮的铺设,在棱边错层搭接;
进行碳方管的架设:先放顶部棱边4条碳方管,然后插入立面棱边的4条碳方管,最后放入底部4条碳方管;
整体内侧贴脱模布,以便后续粘接,并整体进行打真空袋,然后整体送入热压罐进行固化,全程抽真空;
外蒙皮固化完毕后,不脱模,撕掉脱模布,铺放一层胶膜,然后放入预埋件、PVC泡沫、PVC穿线管,进行抽真空,压实以后再放一层胶膜,然后铺放内蒙皮,铺层方式与外蒙皮对称;
内蒙皮铺层完毕后整体打真空袋,进烘箱固化,全程抽真空;
固化完成后,进行脱模、切边、打磨、喷底漆,出厂前进行尺寸检测。
2.根据权利要求1所述的一体化制备复合材料方舱的方法,其特征在于,在进行外蒙皮的铺设前,使用丙酮对所要用到的复合材料方舱模具进行清洁处理。
3.根据权利要求1所述的一体化制备复合材料方舱的方法,其特征在于,所述方管之间使用碳纤维预浸料铺成L型件进行连接,L型件翻边与外蒙皮搭接。
4.根据权利要求1所述的一体化制备复合材料方舱的方法,其特征在于,在所述热压罐内固化时,固化温度90℃-130℃,保温时间2h-4h。
5.根据权利要求1所述的一体化制备复合材料方舱的方法,其特征在于,所述放入预埋件、PVC泡沫、PVC穿线管,抽真空0.5-1h。
6.根据权利要求1所述的一体化制备复合材料方舱的方法,其特征在于,进入所述烘箱固化内固化时,固化温度90℃-130℃,保温时间2-4h。
7.根据权利要求1所述的一体化制备复合材料方舱的方法,其特征在于,所述碳方管壁厚5mm-8mm。
8.根据权利要求1所述的一体化制备复合材料方舱的方法,其特征在于,在完成碳方管的架设后,然后,放入起加强作用的碳方管,其中,该碳方管的壁厚为2mm-4mm。
9.根据权利要求8所述的一体化制备复合材料方舱的方法,其特征在于,所述方管之间使用碳纤维预浸料铺成L型件进行连接,L型件翻边与外蒙皮搭接。
10.根据权利要求9所述的一体化制备复合材料方舱的方法,其特征在于,其特征在于,所述预浸料包括:碳纤维预浸料、玻璃纤维预浸料、芳纶纤维预浸料,可以是其中的一种或者几种混合。
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