CN109318554A - 一种大布纹传送带 - Google Patents

一种大布纹传送带 Download PDF

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CN109318554A
CN109318554A CN201811397010.8A CN201811397010A CN109318554A CN 109318554 A CN109318554 A CN 109318554A CN 201811397010 A CN201811397010 A CN 201811397010A CN 109318554 A CN109318554 A CN 109318554A
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conveyer belt
polyester
woven design
big
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焦东英
张磊
郭强
王勇
仵骁莲
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TIANQI SPECIAL FLAT-BELT Co Ltd JINAN
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TIANQI SPECIAL FLAT-BELT Co Ltd JINAN
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Abstract

本发明提供一种大布纹传送带，传送带的厚度为6.0~7.0mm，包括摩擦层和三层聚酯织物，摩擦层与聚酯织物直接相连，相邻的两层聚酯织物之间为粘结层，所述的摩擦层表面有凸起的花纹。该传送带将在原传送带基础上提高拉伸强度、增大表面摩擦系数、提高耐磨性、耐屈挠性和尺寸稳定性，包括新型高强聚酯织物强力层、改性的高耐磨橡胶摩擦层、表面输送层。使带体具有强度高、表面摩擦系数高、耐磨、耐老化、耐屈挠等特点。

Description

一种大布纹传送带
技术领域
本发明属于高分子复合新材料领域，具体涉及一种大布纹传送带。
背景技术
近年来，随着科学技术的快速发展和人类社会的不断进步，纸包装设备多样化的发展趋势不可逆转，市场竞争进一步加剧，纸包装的制造设备——粘箱机、糊盒机等正在向高速、高效、低耗、封闭无污染、高度自动化的方向发展。目前最先进的全自动粘箱机喂料速度已达到每分钟450米。传送带在糊箱机、糊盒机等设备上运行时，运行过程中需保证带子厚度均匀一致且运行平稳，一旦出现运行不稳定或者厚度差距较大的情况会导致两边的传送带松紧不一致，使纸板歪斜，导致折叠歪斜，不仅耽误生产，降低效率，也会影响产品的质量。
全自动纸包装如粘箱机由喂料部、折叠部、计数部、自动捆包部组成。其中折叠部是需要采用具有一定摩擦力的一种大布纹传送带完成对纸箱的输送和折叠。计数部是需要采用尺寸均一的同组传送带完成对纸箱的输送堆积。
一种大布纹传送带就是为了适应以上纸包装的市场需求而设计的新型传送带产品，与普通输送带不同，输送带速度慢，需要的摩擦系数低，因此结构和成分是不同的。
发明内容
本发明提供一种大布纹传送带，是在原传送带基础上提高拉伸强度、增大表面摩擦系数、提高耐磨性、耐屈挠性和尺寸稳定性而进行设计的新型传送带产品，包括新型高强聚酯织物强力层、改性的高耐磨橡胶摩擦层、表面输送层。带体具有强度高、表面摩擦系数高、耐磨、耐老化、耐屈挠等特点。
本发明是通过以下方案实现的：
一种大布纹传送带，传送带的厚度为6.0~7.0mm，包括摩擦层（1）和三层聚酯织物（2），摩擦层与聚酯织物直接相连，相邻的两层聚酯织物之间为粘结层（3），摩擦层与单层聚酯织物、单层粘结层的厚度比为4.0-5.0:0.6-0.7:0.1-0.2，所述的摩擦层表面有凸起的花纹（4）。
本发明所述的大布纹传送带，凸起的花纹（4）的高度为2mm-4mm。
一种大布纹传送带广泛用于印刷包装等设备的动力传送和物料输送，凸起的花纹与摩擦层是一体成型，摩擦层的厚度为4.0-5.0mm，其中凸起的花纹的厚度占2-4 mm，特别适用于大角度倾斜传动或输送，因此花纹高度不得小于2.0mm，才能满足最大倾斜传动或输送角度可达30°的使用要求。
本发明所述的大布纹传送带，摩擦层由主体材料：补强体系：硫化体系：防老体系：软化体系按照质量比100:40~50:1~2:2~4:10~20制成。
本发明所述的大布纹传送带，主体材料为羧基丁腈橡胶并用丁苯橡胶，补强体系为白炭黑、纳米硅酸铝、硫酸锶按照质量比10:1-5:0.1-1组成，硫化体系为硫磺-80与氧化锌-80、蜜胺树脂按照质量比1-2:3-5:4-5组成，防老体系为酚MB（2-巯基苯并咪唑）与胺RD（2,2,4-三甲基-1,2-二氢化喹啉聚合体）质量比1:1-2组成，软化体系是牛脂基二羟乙基氧化胺与苯并呋喃茚树脂按照质量比1:5-10复配而成。
摩擦层的制备对于传送带尤为重要，本发明采用羧基丁腈橡胶并用丁苯橡胶为主料，硫磺-80与氧化锌-80、蜜胺树脂作为硫化剂，白炭黑、纳米硅酸铝、硫酸锶作为补强剂和耐磨剂，进一步加入适量的防老剂和复合软化剂，通过各组分间配比的优化，互相协作增效，制备的摩擦层在保证弹性高，韧性高的基本性能的基础上，大大提高耐腐蚀性，延长了使用寿命，降低更换成本。
本发明所述的大布纹传送带，聚酯织物的经向为聚酯长丝，纬向为直径为0.4mm的聚酯单丝交织而成。
强力骨架层选择的原则是 ：
ⅰ聚酯单丝的拉伸强度高，模量大，提供带体较高的定伸强力；
ⅱ要求带体必须平整均一，带体横向挺性要好；
ⅲ 要保证带体在运转过程中有良好的包绕性与抓着性，织物纵向要柔软，横向挺性要高，能满足精准传送的要求。
本发明所述的大布纹传送带，粘结层为加入10%的氯醚树脂改性氯磺化聚乙烯作为胶黏剂。
上述所述的大布纹传送带的制备方法，将三层聚酯织物分别涂覆两层改性氯磺化聚乙烯胶黏剂，粘合，最上层聚酯织物上面贴合一层摩擦层橡胶，表面使用大花纹织物压花，在温度150~160°C，压力80~100bar，时间20~22min复合而成。
附图说明
图1实施例的大布纹传送带的结构；
其中1摩擦层、聚酯织物2，粘结层3、凸起的花纹4。
有益效果
本发明⑴研究聚酯织物作为骨架材料，采用径向为高强低伸的聚酯长丝，纬向为聚酯单丝交织的聚酯织物作为骨架材料，使带体伸长均匀一致，保证同组使用的成品带长度尺寸稳定，横向挺性好，使1%定伸强力≥10N/mm，带体横向屈挠度≤8mm。设计高耐磨橡胶，使用羧基丁腈橡胶并用丁苯橡胶改性，确保带体冲击弹性≥30%，表面磨耗≤8mg/cm2，带体具有稳定的摩擦系数（对纸板）为1.0±0.05。（3）设计一种大布纹传送带输送面压花成型织物，满足在温度≥150℃条件下使用。（4）设计一次成型复合工艺，确保粘附强力≥2.5N/mm，确保产品厚度在7.0±0.2mm。
压花成型织物只能在输送带硫化成型时才能对其表面压花，所以必须具备非常优异的耐热老化和耐撕裂性能，以及在（145~175）℃温度下多次连续硫化性能，保证使用寿命在150次以上。
具体实施方式
下面对本发明的实施例作详细说明，本实施例在以本发明技术方案为前提下进行实施，给出了详细的实施方式和具体的操作过程，但本发明的保护范围不限于下述的实施例。
实施例1
一种大布纹传送带，传送带的厚度为6.0mm，包括摩擦层和三层聚酯织物，摩擦层与聚酯织物直接相连，相邻的两层聚酯织物之间为粘结层，摩擦层与单层聚酯织物、单层粘结层的厚度比为4.0:0.6:0.1，三层的聚酯织物的厚度为1.8mm，两层粘结层的厚度为0.2mm，所述的摩擦层表面有凸起的花纹，凸起的花纹的高度为2mm。
其中：摩擦层由主体材料：补强体系：硫化体系：防老体系：软化体系按照质量比100:40:1:2:10制成。主体材料为羧基丁腈橡胶并用丁苯橡胶，补强体系为白炭黑、纳米硅酸铝、硫酸锶按照质量比10:1:0.1组成，硫化体系为硫磺-80与氧化锌-80、蜜胺树脂按照质量比1:3:4组成，防老体系为酚MB（2-巯基苯并咪唑）与胺RD（2,2,4-三甲基-1,2-二氢化喹啉聚合体）质量比1:1组成，软化体系是牛脂基二羟乙基氧化胺与苯并呋喃茚树脂按照质量比1:5复配而成。
聚酯织物的经向为聚酯长丝，纬向为直径为0.4mm的聚酯单丝交织而成。
粘结层为加入10%的氯醚树脂改性氯磺化聚乙烯作为胶黏剂。
上述所述的大布纹传送带的制备方法，其特征在于，将三层聚酯织物分别涂覆两层改性氯磺化聚乙烯胶黏剂，粘合，最上层聚酯织物上面一层贴合摩擦层橡胶，表面使用大花纹织物压花，在温度150~160°C，压力80~100bar，时间20~22min复合而成。
实施例2
一种大布纹传送带，传送带的厚度为7.0 mm，包括摩擦层和三层聚酯织物，摩擦层与聚酯织物直接相连，相邻的两层聚酯织物之间为粘结层，摩擦层与单层聚酯织物、单层粘结层的厚度比为4.5: 0.7: 0.2，三层的聚酯织物的厚度为2.1mm，两层粘结层的厚度为0.4mm，所述的摩擦层表面有凸起的花纹，凸起的花纹的高度为3mm。
其中：摩擦层由主体材料：补强体系：硫化体系：防老体系：软化体系按照质量比100:45:1.2:2.5:12制成。主体材料为羧基丁腈橡胶并用丁苯橡胶，补强体系为白炭黑、纳米硅酸铝、硫酸锶按照质量比10:2:0.3组成，硫化体系为硫磺-80与氧化锌-80、蜜胺树脂按照质量比2:3.6:4.5组成，防老体系为酚MB（2-巯基苯并咪唑）与胺RD（2,2,4-三甲基-1,2-二氢化喹啉聚合体）质量比1:1.8组成，软化体系是牛脂基二羟乙基氧化胺与苯并呋喃茚树脂按照质量比1:7复配而成。
聚酯织物的经向为聚酯长丝，纬向为直径为0.4mm的聚酯单丝交织而成。
粘结层为加入10%的氯醚树脂改性氯磺化聚乙烯作为胶黏剂。
制备方法同实施例1。
实施例3
一种大布纹传送带，传送带的厚度为7.0mm，包括摩擦层和三层聚酯织物，摩擦层与聚酯织物直接相连，相邻的两层聚酯织物之间为粘结层，摩擦层与单层聚酯织物、单层粘结层的厚度比为5.0:0.6:0.1，所述的摩擦层表面有凸起的花纹，凸起的花纹的高度为4mm。
其中：摩擦层由主体材料：补强体系：硫化体系：防老体系：软化体系按照质量比100: 50:2:4:20制成。主体材料为羧基丁腈橡胶并用丁苯橡胶，补强体系为白炭黑、纳米硅酸铝、硫酸锶按照质量比10:5:1组成，硫化体系为硫磺-80与氧化锌-80、蜜胺树脂按照质量比2: 5: 5组成，防老体系为酚MB（2-巯基苯并咪唑）与胺RD（2,2,4-三甲基-1,2-二氢化喹啉聚合体）质量比1: 2组成，软化体系是牛脂基二羟乙基氧化胺与苯并呋喃茚树脂按照质量比1: 10复配而成。
聚酯织物的经向为聚酯长丝，纬向为直径为0.4mm的聚酯单丝交织而成。
粘结层为加入10%的氯醚树脂改性氯磺化聚乙烯作为胶黏剂。
制备方法同实施例1。
实施例4
一种大布纹传送带，传送带的厚度为6.8mm，包括摩擦层和三层聚酯织物，摩擦层与聚酯织物直接相连，相邻的两层聚酯织物之间为粘结层，摩擦层与单层聚酯织物、单层粘结层的厚度比为4.6:0.6: 0.2，所述的摩擦层表面有凸起的花纹，凸起的花纹的高度为3.1mm。
其中：摩擦层由主体材料：补强体系：硫化体系：防老体系：软化体系按照质量比100:46:1.6:3:16制成。主体材料为羧基丁腈橡胶并用丁苯橡胶，补强体系为白炭黑、纳米硅酸铝、硫酸锶按照质量比10:3:0.6组成，硫化体系为硫磺-80与氧化锌-80、蜜胺树脂按照质量比1:3:4.8组成，防老体系为酚MB（2-巯基苯并咪唑）与胺RD（2,2,4-三甲基-1,2-二氢化喹啉聚合体）质量比1:1.6组成，软化体系是牛脂基二羟乙基氧化胺与苯并呋喃茚树脂按照质量比1:8复配而成。
聚酯织物的经向为聚酯长丝，纬向为直径为0.4mm的聚酯单丝交织而成。
粘结层为加入10%的氯醚树脂改性氯磺化聚乙烯作为胶黏剂。
制备方法同实施例1。
对比例1
一种大布纹传送带，传送带的厚度为7.0 mm，包括摩擦层和三层聚酯织物，摩擦层与聚酯织物直接相连，相邻的两层聚酯织物之间为粘结层，摩擦层与单层聚酯织物、单层粘结层的厚度比为4.5: 0.7: 0.2，三层的聚酯织物的厚度为2.1mm，两层粘结层的厚度为0.4mm，所述的摩擦层表面有凸起的花纹，凸起的花纹的高度为3mm。
其中：摩擦层由主体材料：补强体系：硫化体系：防老体系：软化体系按照质量比100:45:1.2:2.5:12制成。主体材料为羧基丁腈橡胶并用丁苯橡胶，补强体系为白炭黑，硫化体系为硫磺-80，防老体系为酚MB（2-巯基苯并咪唑），软化体系是TP759。
聚酯织物的经向为聚酯长丝，纬向为直径为0.4mm的聚酯单丝交织而成。
粘结层为加入10%的氯醚树脂改性氯磺化聚乙烯作为胶黏剂。
制备方法同实施例1。
对比例2
一种大布纹传送带，传送带的厚度为7.0 mm，包括摩擦层和三层聚酯织物，摩擦层与聚酯织物直接相连，相邻的两层聚酯织物之间为粘结层，摩擦层与单层聚酯织物、单层粘结层的厚度比为4.5: 0.7: 0.2，三层的聚酯织物的厚度为2.1mm，两层粘结层的厚度为0.4mm，所述的摩擦层表面有凸起的花纹，凸起的花纹的高度为3mm。
其中：摩擦层为羧基丁腈橡胶并用丁苯橡胶。
聚酯织物的经向为聚酯长丝，纬向为直径为0.4mm的聚酯单丝交织而成。
粘结层为加入10%的氯醚树脂改性氯磺化聚乙烯作为胶黏剂。
制备方法同实施例1。
对比例3
一种大布纹传送带，传送带的厚度为7.0 mm，包括摩擦层和三层聚酯织物，摩擦层与聚酯织物直接相连，相邻的两层聚酯织物之间为粘结层，摩擦层与单层聚酯织物、单层粘结层的厚度比为4.5: 0.7: 0.2，三层的聚酯织物的厚度为2.1mm，两层粘结层的厚度为0.4mm，所述的摩擦层表面有凸起的花纹，凸起的花纹的高度为3mm。
其中：摩擦层为羧基丁腈橡胶并用丁苯橡胶。
聚酯织物的经向为聚酯长丝，纬向为直径为0.4mm的聚酯单丝交织而成。
粘结层为丁腈橡胶。
制备方法同实施例1。
将上述实施例及其对比例制备的传送带进行定伸强力等试验，测定定伸强力、粘附强力、磨耗值、冲击弹性、横向屈挠度分别使用拉伸试验机、织物磨耗仪、冲击弹性仪及屈绕度试验仪测定。
具体结果见下表。
其他条件相同，摩擦层采用其他常用的补强体系白炭黑、硫化体系硫磺、防老体系酚MB、软化体系TP759，各项性能也比实施例差。
显然，本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的精神和范围。这样，倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内，则本发明也意图包含这些改动和变型在内。

Claims (7)

1.一种大布纹传送带，其特征在于，传送带的厚度为6.0~7.0mm，包括摩擦层（1）和三层聚酯织物（2），摩擦层与聚酯织物直接相连，相邻的两层聚酯织物之间为粘结层（3），摩擦层与单层聚酯织物、单层粘结层的厚度比为4.0-5.0:0.6-0.7:0.1-0.2，所述的摩擦层表面有凸起的花纹（4）。
2.根据权利要求1所述的大布纹传送带，其特征在于，凸起的花纹（4）的高度为2mm-4mm。
3.根据权利要求1所述的大布纹传送带，其特征在于，摩擦层由主体材料：补强体系：硫化体系：防老体系：软化体系按照质量比100:40~50:1~2:2~4:10~20制成。
4.根据权利要求3所述的大布纹传送带，其特征在于，主体材料为羧基丁腈橡胶并用丁苯橡胶，补强体系为白炭黑、纳米硅酸铝、硫酸锶按照质量比10:1-5:0.1-1组成，硫化体系为硫磺-80与氧化锌-80、蜜胺树脂按照质量比1-2:3-5:4-5组成，防老体系为酚MB（2-巯基苯并咪唑）与胺RD（2,2,4-三甲基-1,2-二氢化喹啉聚合体）质量比1:1-2组成，软化体系是牛脂基二羟乙基氧化胺与苯并呋喃茚树脂按照质量比1:5-10复配而成。
5.根据权利要求1所述的大布纹传送带，其特征在于，聚酯织物的经向为聚酯长丝，纬向为直径为0.4mm的聚酯单丝交织而成。
6.根据权利要求1所述的大布纹传送带，其特征在于，粘结层为加入10%的氯醚树脂改性氯磺化聚乙烯作为胶黏剂。
7.一种权利要求1-6之一所述的大布纹传送带的制备方法，其特征在于，将三层聚酯织物分别涂覆两层改性氯磺化聚乙烯胶黏剂，粘合，最上层聚酯织物上面贴合一层摩擦层橡胶，表面使用大花纹织物压花，在温度150~160℃，压力80~100bar，时间20~22min复合而成。
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