CN107512055A - 一种经编复合土工布的生产工艺 - Google Patents

一种经编复合土工布的生产工艺 Download PDF

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CN107512055A
CN107512055A CN201710779161.9A CN201710779161A CN107512055A CN 107512055 A CN107512055 A CN 107512055A CN 201710779161 A CN201710779161 A CN 201710779161A CN 107512055 A CN107512055 A CN 107512055A
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silk
warp
binding
yarn
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冯李军
梁中全
何亚军
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Jiangsu Jiuding New Material Co Ltd
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    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
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    • B32—LAYERED PRODUCTS
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    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
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    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B21/14—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes
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    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/12—Conjugate fibres, e.g. core/sheath or side-by-side
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
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Abstract

本发明公开了一种经编复合土工布的生产工艺，经过涤纶丝的准备、整经准备、丙纶丝的准备、无纺布的制备、经编复合工序、外观检验和包装入库工序，完成了经编复合土工布的生产；本发明的土工布通过采用特定的结构，实现了捆绑丝对纬纱的交叉捆绑，同时捆绑丝4通过采用环绕捆绑，进一步加强了对经纱的捆绑，并且通过对纬纱进行捆绑，实现了经纬纱的一同捆绑，相较于传统工艺的只对经纱进行交叉捆绑，有效的提高了对经纱和纬纱的固定，避免了在使用时纬纱的滑脱，大大提高了本发明土工布的使用强度。

Description

一种经编复合土工布的生产工艺
技术领域
本发明属于面料生产技术领域，具体涉及一种经编复合土工布的生产工艺。
背景技术
公路建设初期需要进行路基的铺设，在铺设路基的使用由于怕路基下沉，需要使用到大量的土工布，将土工布在路基铺设的时候进行使用，能够让路基遇到降水的时候不会下陷很严重，保护了路基的安全，但是目前很多路基都是采用一层的结构，这样的结构会使得土工布的使用质量下降，一旦遇到强酸的路基，很快就会将土工布腐蚀处漏洞，出现漏洞的土工布在相应区域就会有路基下陷的风险，使得路基的抗震强度得不到保证，也会间接影响在路基上面所铺设的道路的使用寿命。
土工布，又称土工织物，它是由合成纤维通过针刺或编织而成的透水性土工合成材料。成品为布状，一般宽度为4-6米，长度为50-100米。土工布具有优秀的过滤、排水、隔离、加筋、防渗、防护作用，具有重量轻、抗拉强度高、渗透性好、耐高温、抗冷冻、耐老化、耐腐蚀。土工布分为有纺土工布和无纺土工布。
无纺土工布是由长丝或短纤维经过不同的设备和工艺铺排成网状，在经过针刺等工艺让不同的纤维相互交织在一起，相互缠结固着使织物规格化，让织物柔软、丰满、厚实、硬挺，以达到不同的厚度满足使用要求，无纺土工布具有很好的织物间隙，有很好的附着力，由于纤维柔软具有一定的抗撕裂能力，同时具有很好的变形适应能力，同时具有很好的平面排水能力，表面柔软多间隙有很好的摩擦系数，能够增加土粒等的附着能力，可以防止细小颗粒通过，阻止了颗粒物的流失同时排除了多余水分，表面松软有很好的保护能力。它们都能起到很好的过滤、隔离、加筋、防护等功效，是一种应用广泛的土工合成材料。
无纺土工布的优点是：1.渗透性好；2.保温性好；3.有弹性、可复原；4.没有布料的方向性；5.应用范围广，主要作用为工程的增强、隔离、反滤、排水、广泛用于水利、公路、铁路等领域，也可在防渗工程中使用土工布作为土工膜的保护层，使保护防渗层不受损坏；
无纺土工布的缺点是：1.与纺织布相比强度和耐久性较差；2.不能像其他布料一样清洗；3.纤维按一定方向排列、所以容易从直角方向裂开等。
发明内容
本发明的目的在于针对现有技术的不足，现提供一种织造工艺简单、强度高、不易脱纱、并且能够保证纱的直度的经编复合土工布的生产工艺。
为解决上述技术问题，本发明采用的技术方案为：一种经编复合土工布的生产工艺，其创新点在于：经过涤纶丝和高强耐老化丙纶丝的准备、整经准备、耐老化丙纶短纤的准备、无纺布的制备、经编复合工序、外观检验和包装入库工序，完成了经编复合土工布的生产；具体步骤如下：
（1）涤纶丝和高强耐老化丙纶丝的准备：选用222dtex的涤纶FDY、18000D的高强耐老化丙纶丝和2000D的高强耐老化丙纶丝，所述222dtex的涤纶FDY分别用作捆绑丝4和捆绑丝3，所述18000D的高强耐老化丙纶丝用作经纱，所述2000D的高强耐老化丙纶丝用作纬纱；
（2）整经准备：对捆绑丝4和捆绑丝3进行分段整经，所述捆绑丝4整经时，盘头数为7个，整经机的车速为300rpm，所述整经张力为15-25cN，所述捆绑丝3整经时，盘头数为7个，整经机的车速为300rpm，所述整经张力为15-25cN；
（3）耐老化丙纶短纤的准备：选取5D的丙纶短纤维备用；
（4）无纺布的制备：采用丙纶短纤维经过毡化制备得到规格为120g/m2的丙纶短纤无纺布；
（5）经编复合工序：所述经纱、纬纱、捆绑丝4和捆绑丝3经过经编织造得到经编织物层，所述经编织物层与无纺布层固定连接，复合得到经编复合土工布；
（6）外观检验：将复合得到的经编复合土工布进行外观的检验，检验无误后进入下一工序；
（7）包装入库：将检验合格的经编复合土工布进行包装入库，以待销售。
进一步的，所述步骤（5）中的捆绑丝4的穿纱方式为1穿1空，所述捆绑丝b的穿纱方式为1穿1空，所述经纱的穿纱方式为1穿1空，所述捆绑丝4的密度为4.5根/英寸，所述捆绑丝3的密度为4.5根/英寸，所述经纱密度为4.5根/英寸。
进一步的，所述步骤（5）中的经编织物层由若干个正方形花型不断循环而成，所述正方形花型由经纱、纬纱、捆绑丝4和捆绑丝3经过特定的结构织造而成。
进一步的，所述经编织物层由特定结构经过不断循环而形成，所述特定结构为：采用6行为一个循环，经过特定的送经比来完成织物的织造，所述捆绑丝4的垫纱工艺为2-3、3-2、2-3、1-0、0-1、1-0作为一个循环结构；所述捆绑丝3的垫纱工艺为1-0、0-1、1-0、2-3、3-2、2-3作为一个循环结构；所述经纱的垫纱工艺为0-0、1-1作为一个循环结构。
进一步的，所述特定的送经比分别为：第一行纱线的送经比为14.3，第二行纱线的送经比为12.65，第三行纱线的送经比为12.65，第四行纱线的送经比为14.3，第五行纱线的送经比为12.65，第六行纱线的送经比为12.65。
本发明的有益效果如下：本发明的土工布通过采用特定的结构，实现了捆绑丝b对纬纱的交叉捆绑，同时捆绑丝a通过采用环绕捆绑，进一步加强了对经纱的捆绑，并且通过对纬纱进行捆绑，实现了经纬纱的一同捆绑，相较于传统工艺的只对经纱进行交叉捆绑，有效的提高了对经纱和纬纱的固定，避免了在使用时纬纱的滑脱，大大提高了本发明土工布的使用强度。
附图说明
图1为本发明的侧视图。
图2为本发明的经编织物层的花型结构示意图。
图3为本发明的经编织物层的组织结构示意图。
具体实施方式
以下由特定的具体实施例说明本发明的实施方式，熟悉此技术的人士可由本说明书所揭露的内容轻易地了解本发明的其他优点及功效。
如图1-3所示，一种经编复合土工布的生产工艺，经过涤纶丝的准备、整经准备、丙纶丝的准备、无纺布的制备、经编复合工序、外观检验和包装入库工序，完成了经编复合土工布的生产；具体步骤如下：
（1）涤纶丝和高强耐老化丙纶丝的准备：选用222dtex的涤纶FDY、18000D的高强耐老化丙纶丝和2000D的高强耐老化丙纶丝，222dtex的涤纶FDY分别用作捆绑丝4和捆绑丝3，18000D的高强耐老化丙纶丝用作经纱1，2000D的高强耐老化丙纶丝用作纬纱2；
（2）整经准备：对捆绑丝4和捆绑丝3进行分段整经，捆绑丝4整经时，盘头数为7个，整经机的车速为300rpm，整经张力为15-25cN，捆绑丝3整经时，盘头数为7个，整经机的车速为300rpm，整经张力为15-25cN；
（3）耐老化丙纶短纤的准备：选取5D的丙纶短纤维备用；
（4）无纺布的制备：采用丙纶短纤维经过毡化制备得到规格为120g/m2的丙纶短纤无纺布；
（5）经编复合工序：经纱1、纬纱2、捆绑丝4和捆绑丝3经过经编织造得到经编织物层5，经编织物层5与无纺布层6固定连接，复合得到经编复合土工布；
（6）外观检验：将复合得到的经编复合土工布进行外观的检验，检验无误后进入下一工序；
（7）包装入库：将检验合格的经编复合土工布进行包装入库，以待销售。
步骤（5）中的捆绑丝4的穿纱方式为1穿1空，捆绑丝3的穿纱方式为1穿1空，经纱1的穿纱方式为1穿1空，捆绑丝4的密度为4.5根/英寸，捆绑丝3的密度为4.5根/英寸，经纱1密度为4.5根/英寸。
步骤（5）中的经编织物层5由若干个正方形花型不断循环而成，正方形花型由经纱1、纬纱2、捆绑丝4和捆绑丝3经过特定的结构织造而成。
经编织物层5由特定结构经过不断循环而形成，特定结构为：采用6行为一个循环，经过特定的送经比来完成织物的织造，捆绑丝4的垫纱工艺为2-3、3-2、2-3、1-0、0-1、1-0作为一个循环结构；捆绑丝3的垫纱工艺为1-0、0-1、1-0、2-3、3-2、2-3作为一个循环结构；经纱1的垫纱工艺为0-0、1-1作为一个循环结构。
特定的送经比分别为：第一行纱线的送经比为14.3，第二行纱线的送经比为12.65，第三行纱线的送经比为12.65，第四行纱线的送经比为14.3，第五行纱线的送经比为12.65，第六行纱线的送经比为12.65。
本发明的土工布通过采用特定的结构，实现了捆绑丝3对纬纱2的交叉捆绑，同时捆绑丝4通过采用环绕捆绑，进一步加强了对经纱1的捆绑，并且通过对纬纱2进行捆绑，实现了经纬纱的一同捆绑，相较于传统工艺的只对经纱1进行交叉捆绑，有效的提高了对经纱1和纬纱2的固定，避免了在使用时纬纱2的滑脱，大大提高了本发明土工布的使用强度。
上述实施例只是本发明的较佳实施例，并不是对本发明技术方案的限制，只要是不经过创造性劳动即可在上述实施例的基础上实现的技术方案，均应视为落入本发明专利的权利保护范围内。

Claims (5)

1.一种经编复合土工布的生产工艺，其特征在于：经过高强耐老化丙纶丝的准备、涤纶丝整经准备、耐老化丙纶短纤的准备、无纺布的制备、经编复合工序、外观检验和包装入库工序，完成了经编复合土工布的生产；具体步骤如下：
高强耐老化丙纶丝的准备：选用222dtex的涤纶FDY、18000D的高强耐老化丙纶丝和2000D的高强耐老化丙纶丝，所述222dtex的涤纶FDY分别用作捆绑丝4和捆绑丝3，所述18000D的高强耐老化丙纶丝用作经纱，所述2000D的高强耐老化丙纶丝用作纬纱；
涤纶丝整经准备：对捆绑丝a和捆绑丝b进行分段整经，所述捆绑丝4整经时，盘头数为7个，整经机的车速为300rpm，所述整经张力为15-25cN，所述捆绑丝3整经时，盘头数为7个，整经机的车速为300rpm，所述整经张力为15-25cN；
耐老化丙纶短纤的准备：选取5D的耐老化丙纶短纤维备用；
无纺布的制备：采用丙纶短纤维经过毡化制备得到规格为120g/m2的耐老化丙纶短纤无纺布；
经编复合工序：所述经纱、纬纱、捆绑丝4和捆绑丝3经过经编织造得到经编织物层，所述经编织物层与无纺布层固定连接，复合得到经编复合土工布；
外观检验：将复合得到的经编复合土工布进行外观的检验，检验无误后进入下一工序；
包装入库：将检验合格的经编复合土工布进行包装入库，以待销售。
2.根据权利要求1所述的一种经编复合土工布的生产工艺，其特征在于：所述步骤（5）中的捆绑丝4的穿纱方式为1穿1空，所述捆绑丝3的穿纱方式为1穿1空，所述经纱的穿纱方式为1穿1空，所述捆绑丝4的密度为4.5根/英寸，所述捆绑丝3的密度为4.5根/英寸，所述经纱密度为4.5根/英寸。
3.根据权利要求1所述的一种经编复合土工布的生产工艺，其特征在于：所述步骤（5）中的经编织物层由若干个正方形花型不断循环而成，所述正方形花型由经纱、纬纱、捆绑丝4和捆绑丝3经过特定的结构织造而成。
4.根据权利要求3所述的一种经编复合土工布的生产工艺，其特征在于：所述经编织物层由特定结构经过不断循环而形成，所述特定结构为：采用6行为一个循环，经过特定的送经比来完成织物的织造，所述捆绑丝4的垫纱工艺为2-3、3-2、2-3、1-0、0-1、1-0作为一个循环结构；所述捆绑丝3的垫纱工艺为1-0、0-1、1-0、2-3、3-2、2-3作为一个循环结构；所述经纱的垫纱工艺为0-0、1-1作为一个循环结构。
5.根据权利要求4所述的一种经编复合土工布的生产工艺，其特征在于：所述特定的送经比分别为：第一行纱线的送经比为14.3，第二行纱线的送经比为12.65，第三行纱线的送经比为12.65，第四行纱线的送经比为14.3，第五行纱线的送经比为12.65，第六行纱线的送经比为12.65。
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