CN106346850A - 一种汽车行李箱隔板的生产方法 - Google Patents
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Abstract
本发明涉及一种汽车行李箱隔板的生产方法,包括以下步骤:将铝蜂窝基材放置在上下两层玻璃纤维布之间,得到堆叠基材;对堆叠基材的上下表面进行PU均匀喷涂;将PU喷涂后的堆叠基材在压制成型机的上模与下模之间压制成型;将汽车行李箱隔板半成品取出,去除余料;在汽车行李箱隔板半成品的上表面与下表面边缘位置喷涂680A胶水,在喷涂胶水的位置贴合包边面料,完成包边,得到汽车行李箱隔板成品。本发明的方法解决了汽车行李箱隔板的承载高、强度高、VOC低、吸音好、隔音好、环保、轻量化等性能指标;大大降低了汽车行李箱隔板重量,满足了整车轻量化设计的要求。
Description
技术领域
本发明属于汽车内饰件生产方法技术领域,本发明尤其是涉及一种汽车行李箱隔板的生产方法。
背景技术
汽车行李箱隔板安装在汽车车尾底部,起到高承载、隔热、隔音与吸音作用。在越来越追求高性能、环保型、节能型、轻量化、个性化的时代,汽车的内饰与汽车的外形一样,成为人们选购汽车的一个重要因素。因此对汽车内饰件的要求也越来越高。在现有技术中,汽车行李箱隔板的高承载、高吸音、高隔音、低克重、隔热性强、环保等性能指标成为瓶颈,制约着汽车地毯的发展。现有汽车行李箱隔板主要存在着以下问题:
1、吸音指标达不到要求;
2、隔音指标达不到要求;
3、隔热性差;
4、产品材料不环保;
5、产品重量大,不利于整车轻量化,节能;
6、承载性不高,刚度强度不高。
发明内容
本发明的目的是克服现有技术中存在的不足,提供一种能大大降低生产过程中工人的劳动强度、没有有害物质产生并能提高生产效率的汽车行李箱隔板的生产方法。
按照本发明提供的技术方案,所述汽车行李箱隔板的生产方法包括以下步骤:
a、将铝蜂窝基材放置在上下两层玻璃纤维布之间,得到堆叠基材;
b、对堆叠基材的上下表面进行PU均匀喷涂,PU喷涂时控制在1200~1600g/m2;
c、将PU喷涂后的堆叠基材在压制成型机的上模与下模之间压制成型,压制成型时,压制成型机的上模与下模温度均控制在18~22℃,成型压力为5~10MPa,成型保压时间为40~60秒,保压结束,得到汽车行李箱隔板半成品;
d、将汽车行李箱隔板半成品取出,去除余料;
e、在汽车行李箱隔板半成品的上表面与下表面边缘位置喷涂680A胶水,喷胶量控制在50~100g/ m2,在喷涂胶水的位置贴合包边面料,完成包边,得到汽车行李箱隔板成品。
作为优选,所述铝蜂窝基材的孔径为8~16mm,铝蜂窝基材的克重为250~500g/ m2。
作为优选,所述玻璃纤维布的厚度为0.5~1mm,玻璃纤维布的克重为80~120g/ m2。
作为优选,所述包边面料的厚度为1~2mm,包边面料的克重为200~300g/ m2,包边面料的材质为无纺布。
本发明的方法解决了汽车行李箱隔板的承载高、强度高、VOC低、吸音好、隔音好、环保、轻量化等性能指标;大大降低了汽车行李箱隔板重量,满足了整车轻量化设计的要求;基材用GF(玻璃纤维毡)、PU(聚氨酯发泡)和铝蜂窝芯材等多层材料来制成产品,解决了车内有机物的挥发和其它毒害物质的产生。同时将上述材料通过组合后,经过设备冷压成型,等一系列工艺步骤,从GF+PU+铝蜂窝材料内部、外部形状固化,进而可以获得一定的形状和满足行李箱饰件产品的性能要求。在材料加工过程中,采用钢模热材冷压成型,工艺稳定,确保了操作的安全性和准确度,同时提升了作业效率;产品不会褶皱;途中没有半成品堆积,节约了制造成本。
附图说明
图1是本发明实施例1的吸音效果图。
图2是本发明实施例2的吸音效果图。
图3是本发明实施例3的吸音效果图。
具体实施方式
下面结合具体实施例对本发明作进一步说明。
以下实施例使用的铝蜂窝基材由湖北航宇新型材料有限公司提供,其产品型号为HY08003。
以下实施例使用的玻璃纤维布由南京天明玻纤制品有限公司提供,其产品型号为ECD450。
以下实施例使用的包边面料由文登凤凰亭装饰布有限公司提供,其产品型号为FHT0701。
实施例1
生产东风雷诺HZH汽车行李箱隔板,其规格为:1080mm×400mm,其生产方法如下:
a、将铝蜂窝基材放置在上下两层玻璃纤维布之间,铝蜂窝基材的孔径为8mm,铝蜂窝基材的克重为250g/ m2,玻璃纤维布的厚度为0.5mm,玻璃纤维布的克重为80g/ m2,得到堆叠基材;
b、对堆叠基材的上下表面进行PU均匀喷涂,PU喷涂时控制在1200g/m2;
c、将PU喷涂后的堆叠基材在压制成型机的上模与下模之间压制成型,压制成型时,压制成型机的上模与下模温度均控制在18℃,成型压力为5MPa,成型保压时间为40秒,保压结束,得到汽车行李箱隔板半成品;
d、将汽车行李箱隔板半成品取出,去除余料;
e、在汽车行李箱隔板半成品的上表面与下表面边缘位置喷涂680A胶水,喷胶量控制在50g/ m2,在喷涂胶水的位置贴合包边面料,包边面料的厚度为1mm,包边面料的克重为200g/ m2,包边面料的材质为无纺布,完成包边,得到汽车行李箱隔板成品。
实施例1得到的汽车行李箱隔板成品的吸音性能数据见图1。
在图1中,横坐标是1/3倍频程中心频率(Hz),纵坐标是吸声系数,红色线是一般行李箱隔板吸音系数平均值,蓝线是本产品的吸音系数。随着频率的增大,吸声系数从开始增加,呈现上升趋势,在1250 Hz时本产品的吸声系数达到最大值,然后开始下缓慢下降。可以看出,本产品吸声系数在一般行李箱隔板吸音系数平均值之上,吸声效果更好。
实施例2
生产东风雷诺HZJ汽车行李箱隔板,其规格为:1080mm×400mm,其生产方法如下:
a、将铝蜂窝基材放置在上下两层玻璃纤维布之间,铝蜂窝基材的孔径为16mm,铝蜂窝基材的克重为500g/ m2,玻璃纤维布的厚度为1mm,玻璃纤维布的克重为120g/ m2,得到堆叠基材;
b、对堆叠基材的上下表面进行PU均匀喷涂,PU喷涂时控制在1600g/m2;
c、将PU喷涂后的堆叠基材在压制成型机的上模与下模之间压制成型,压制成型时,压制成型机的上模与下模温度均控制在22℃,成型压力为10MPa,成型保压时间为60秒,保压结束,得到汽车行李箱隔板半成品;
d、将汽车行李箱隔板半成品取出,去除余料;
e、在汽车行李箱隔板半成品的上表面与下表面边缘位置喷涂680A胶水,喷胶量控制在100g/ m2,在喷涂胶水的位置贴合包边面料,包边面料的厚度为2mm,包边面料的克重为300g/ m2,包边面料的材质为无纺布,完成包边,得到汽车行李箱隔板成品。
例2得到的汽车行李箱隔板成品的吸音性能数据见图2。
在图2中,横坐标是1/3倍频程中心频率(Hz),纵坐标是吸声系数,红色线是一般行李箱隔板吸音系数平均值,蓝线是本产品的吸音系数。随着频率的增大,吸声系数从开始增加,呈现上升趋势,在1250Hz时本产品的吸声系数达到最大值,然后开始下缓慢下降。可以看出,本产品吸声系数在一般行李箱隔板吸音系数平均值之上,吸声效果更好。
实施例3
生产东风雷诺HZJ汽车行李箱隔板,其规格为:1080mm×400mm,其生产方法如下:
a、将铝蜂窝基材放置在上下两层玻璃纤维布之间,铝蜂窝基材的孔径为12mm,铝蜂窝基材的克重为350g/ m2,玻璃纤维布的厚度为0.8mm,玻璃纤维布的克重为100g/ m2,得到堆叠基材;
b、对堆叠基材的上下表面进行PU均匀喷涂,PU喷涂时控制在1400g/m2;
c、将PU喷涂后的堆叠基材在压制成型机的上模与下模之间压制成型,压制成型时,压制成型机的上模与下模温度均控制在20℃,成型压力为8MPa,成型保压时间为50秒,保压结束,得到汽车行李箱隔板半成品;
d、将汽车行李箱隔板半成品取出,去除余料;
e、在汽车行李箱隔板半成品的上表面与下表面边缘位置喷涂680A胶水,喷胶量控制在75g/ m2,在喷涂胶水的位置贴合包边面料,包边面料的厚度为1.5mm,包边面料的克重为250g/ m2,包边面料的材质为无纺布,完成包边,得到汽车行李箱隔板成品。
实施例3得到的汽车行李箱隔板成品的吸音性能数据见图3。
在图3中,横坐标是1/3倍频程中心频率(Hz),纵坐标是吸声系数,红色线是一般行李箱隔板吸音系数平均值,蓝线是本产品的吸音系数。随着频率的增大,吸声系数从开始增加,呈现上升趋势,在1250Hz时本产品的吸声系数达到最大值,然后开始下缓慢下降。可以看出,本产品吸声系数在一般行李箱隔板吸音系数平均值之上,吸声效果更好。
Claims (4)
1.一种汽车行李箱隔板的生产方法,其特征是该生产方法包括以下步骤:
a、将铝蜂窝基材放置在上下两层玻璃纤维布之间,得到堆叠基材;
b、对堆叠基材的上下表面进行PU均匀喷涂,PU喷涂时控制在1200~1600g/m2;
c、将PU喷涂后的堆叠基材在压制成型机的上模与下模之间压制成型,压制成型时,压制成型机的上模与下模温度均控制在18~22℃,成型压力为5~10MPa,成型保压时间为40~60秒,保压结束,得到汽车行李箱隔板半成品;
d、将汽车行李箱隔板半成品取出,去除余料;
e、在汽车行李箱隔板半成品的上表面与下表面边缘位置喷涂680A胶水,喷胶量控制在50~100g/ m2,在喷涂胶水的位置贴合包边面料,完成包边,得到汽车行李箱隔板成品。
2.如权利要求1所述的汽车行李箱隔板的生产方法,其特征是:所述铝蜂窝基材孔径为8~16mm,铝蜂窝基材的克重为1500~2500g/ m2。
3.如权利要求1所述的汽车行李箱隔板的生产方法,其特征是:所述玻璃纤维布的厚度为0.5~1mm,玻璃纤维布的克重为80~120g/ m2。
4.如权利要求1所述的汽车行李箱隔板的生产方法,其特征是:所述包边面料的厚度为1~2mm,包边面料的克重为200~300g/ m2,包边面料的材质为无纺布。
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CN102774052A (zh) * | 2012-07-26 | 2012-11-14 | 广州鸿力复合材料有限公司 | 一种蜂窝复合板及其制造方法 |
CN202727418U (zh) * | 2012-07-26 | 2013-02-13 | 广州鸿力复合材料有限公司 | 一种蜂窝复合板材 |
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CN102774052A (zh) * | 2012-07-26 | 2012-11-14 | 广州鸿力复合材料有限公司 | 一种蜂窝复合板及其制造方法 |
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