CN107385950B - 喷绘设备用芳纶增强织物聚氨酯输送带及其制造方法 - Google Patents

喷绘设备用芳纶增强织物聚氨酯输送带及其制造方法 Download PDF

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CN107385950B
CN107385950B CN201710675248.1A CN201710675248A CN107385950B CN 107385950 B CN107385950 B CN 107385950B CN 201710675248 A CN201710675248 A CN 201710675248A CN 107385950 B CN107385950 B CN 107385950B
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童亚彪
刘伟
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SHANGHAI YONGLI BELTING CO Ltd
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Abstract

本发明涉及一种喷绘设备用芳纶增强织物聚氨酯输送带，包括聚氨酯涂覆层、双层立体织物层；双层立体织物层包括径向设置的芳纶线、第一高强涤纶经纱、第二高强涤纶经纱、带导电丝高强涤纶经纱，及纬向设置的纬纱；芳纶线与第一高强涤纶经纱呈直线状，相互平行，且不参与经纬交织；芳纶线与第一高强涤纶经纱将双层立体织物层分为上、下两层；第二高强涤纶经纱与带导电丝高强涤纶经纱相互平行，且同步与纬纱交织；聚氨酯涂覆层涂覆在双层立体织物层上方。本发明为喷绘行业提供一种新型输送带，输送带强度高、变形小；相较于现阶段使用的其他输送带，本发明成品价格较低，具有很强的市场竞争力。

Description

喷绘设备用芳纶增强织物聚氨酯输送带及其制造方法
技术领域
本发明涉及一种输送带及其制造方法，具体来说，是一种喷绘设备用芳纶增强织物聚氨酯输送带及其制造方法，属于输送带技术领域。
背景技术
数码喷射印花又称数码印花，它改变了传统印花工艺流程，实现了无版印花，打破了传统印花生产套色和花回长度的限制，使印制效果更丰富、更精准、更具有层次感；环境整洁，印刷无污染；能够满足市场小批量、多品种、快速交货的要求。但其发展受到染料价格、生产速度、综合成本的制约。近年来数码喷绘技术越来越成熟，市场个性化需求多样化，数码喷印产品得到越来越多消费者的青睐。喷绘行业的蓬勃发展，促使喷绘设备需求猛增，同时也促使了对数码喷印输送带的需求。
输送带质量的好坏直接影响着喷印的效果。数码喷印输送带要求强度高，在输送带张力装置的调节范围内不损坏；输送带变形小，以保证印制效果精准；表面光滑、平整度好，以保证花型清晰，得色均匀；表面要求耐磨性好，耐化学剂清洗。现市场上所用的输送带多以三布三胶的芳纶织物增强体输送带为主，该种输送带一般厚度厚，价格高，重量重，加工工艺程序多，生产周期长，在制作过程中经常出现生产问题，严重影响生产效率。
发明内容
本发明需要解决的技术问题是：现有的喷绘设备用输送带，一般厚度厚，价格高，重量重，加工工艺程序多，生产周期长，在制作过程中经常出现生产问题，严重影响生产效率。
本发明采取以下技术方案：
一种喷绘设备用芳纶增强织物聚氨酯输送带，包括聚氨酯涂覆层4、双层立体织物层；所述双层立体织物层包括径向设置的芳纶线1、第一高强涤纶经纱2a、第二高强涤纶经纱2b、带导电丝高强涤纶经纱3，及纬向设置的纬纱5；所述芳纶线1与第一高强涤纶经纱2a呈直线状，相互平行，且不参与经纬交织；所述芳纶线1与第一高强涤纶经纱2a将双层立体织物层分为上、下两层；所述第二高强涤纶经纱2b与带导电丝高强涤纶经纱3相互平行，且同步与纬纱5交织；所述聚氨酯涂覆层4涂覆在所述双层立体织物层上方。
进一步的，所述双层立体织物层上层与下层的纬纱是一、三间隔设置。
一种喷绘设备用芳纶增强织物聚氨酯输送带的制备方法，包括以下步骤：A)织物定型；B)底涂；C)流延覆盖层设置；D)反面底涂；E)聚氨酯涂覆层的涂覆。
本发明的有益效果在于：
1)为喷绘行业提供一种新型输送带，输送带强度高、变形小；
2)增强织物3/1斜纹设计可有效的降低输送带反面与接触面产生的噪音；
3)表面耐磨性高、耐化学剂清洗能力强；
4)输送带厚度薄，重量轻，剥离强度高；
5)制作工艺简便，易于生产控制；
6)相较于现阶段使用的其他输送带，本发明成品价格较低，具有很强的市场竞争力。
7)缩短了生产周期，节省了大量人力、物力，同时避免了原生产中贴合工艺可能出现的生产不确定因素，如：贴合温度控制不合理易于导致产品贴合层剥离低，从而导致产品在使用过程中易于分层，不耐用；贴合中张力不匀易于导致产品起拱、翘边现象产生，影响产品的平整度，从而影响喷绘效果及质量。新的生产工艺流程短，易于操作，生产因素影响小，产品质量能够得到极大提高。
附图说明
图1是传统输送带织物1/1平纹结构示意图。
图2是传统输送带横截面结构图。
图3是本发明喷绘设备用芳纶增强织物聚氨酯输送带的双层立体织物层的平面结构示意图。
图4是与图3相对应的，局部示意图，图3和4可以结合起来查看。
图5是图3中，A-A向剖视图，图中增加了聚氨酯涂覆层4。
图6是传统输送带制作方法的流程示意图。
图7是本发明输送带制作方法流程示意图。
图中，1.芳纶线，2a.第一高强涤纶经纱，2b.第二高强涤纶经纱，3.带导电丝高强涤纶经纱，4.聚氨酯涂覆层，5.纬纱。
具体实施方式
下面结合附图和具体实施例对本发明进一步说明。
芳纶织物设计：
传统输送带织物和芳纶增强织物都为1/1平纹结构如图1所示，而本发明织物为双层立体织物，如图3-5所示，经纬密度：92×60根/2.54cm，采用3/1立体斜纹编织，芳纶线和部分高强低缩涤纶工业丝在织物结构中和其他纱线没有交织点，在织物中成直线排列，合理的密度设计和不同纱线排列方式，不仅能够最大利用芳纶线性能，还为输送带后续加工提供方便。
涂层表面成分：耐磨聚氨酯，保证输送带表面耐磨性能及耐化学试剂清洗。
产品结构及生产工艺：如图5所示，采用一布一胶结构，与现有技术如图2所示的三布三胶结构相比大大简化了生产工艺，缩短了生产周期，节省了大量人力、物力，同时避免了原生产中贴合工艺可能出现的生产不确定因素，如：贴合温度控制不合理易于导致产品贴合层剥离低，从而导致产品在使用过程中易于分层，不耐用；贴合中张力不匀易于导致产品起拱、翘边现象产生，影响产品的平整度，从而影响喷绘效果及质量。新的生产工艺流程短，易于操作，生产因素影响小，产品质量能够得到极大提高。
输送带性能测试结果
⑴输送带拉断强度测试结果
注：试样规格为250mm×25mm；室温25℃；相对湿度为65％。
⑵输送带1％延伸测试结果
注：试样规格为300mm*25mm；室温25℃；相对湿度为65％。
⑶输送带剥离强度测试结果
注：试样规格为300mm*25mm；室温25℃；相对湿度为65％。
以上是本发明的优选实施例，本领域普通技术人员还可以在此基础上进行各种变换或改进，在不脱离本发明总的构思的前提下，这些变换或改进都属于本发明要求保护的范围之内。

Claims (2)

1.一种喷绘设备用芳纶增强织物聚氨酯输送带，其特征在于：
包括聚氨酯涂覆层(4)、双层立体织物层；
所述双层立体织物层包括径向设置的芳纶线(1)、第一高强涤纶经纱(2a)、第二高强涤纶经纱(2b)、带导电丝高强涤纶经纱(3)，及纬向设置的纬纱(5)；
所述芳纶线(1)与第一高强涤纶经纱(2a)呈直线状，相互平行，且不参与经纬交织；所述芳纶线(1)与第一高强涤纶经纱(2a)将双层立体织物层分为上、下两层；
所述第二高强涤纶经纱(2b)与带导电丝高强涤纶经纱(3)相互平行，且同步与纬纱(5)交织；
所述聚氨酯涂覆层(4)涂覆在所述双层立体织物层上方；
所述双层立体织物层上层与下层的纬纱是一、三间隔设置；
所述双层立体织物层采用3/1立体斜纹编织。
2.一种权利要求1所述的喷绘设备用芳纶增强织物聚氨酯输送带的制备方法，其特征在于：包括以下步骤：
A)织物定型；
B)底涂；
C)流延覆盖层设置；
D)反面底涂；
E)聚氨酯涂覆层的涂覆。
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