阅读说明：本技术 改善纬向段染纱机织物布面风格的工艺 (Process for improving cloth cover style of weft space-dyed yarn woven fabric ) 是由 王广武 张璐璐 刘柳 张凯 夏文静 刘洋洋 翟秀清 赵海涛 常振学 冯丽娟 丰硕 于 2020-05-07 设计创作，主要内容包括：本发明属于纺织技术领域,具体涉及一种改善纬向段染纱机织物布面风格的工艺。所述的工艺为：(1)生产段染纱：首先,生产一种固定颜色、色节排列、色节长度及色节间距的段染纱a,然后分别调整色节长度、色节间距以及颜色排列顺序,生产(n-1)种段染纱,得到n种段染纱；(2)引纬工艺：n种段染纱各使用一个储纬器引纬,各储纬器依次引一纬为一组,然后改变引纬次序继续进行下一组引纬,同一储纬器不能连续引纬,相同引纬次序组,相隔大于3组,任意连续两组引纬顺序不重复。本发明工艺与传统工艺相比颜色基本一致,布面色节均匀分布,无木纹状及横档疵点,布面风格前后一致,可以有效解决传统段染纱布面风格不稳定的缺陷。(The invention belongs to the technical field of spinning, and particularly relates to a process for improving the cloth cover style of weft space-dyed yarn woven fabrics. The process comprises the following steps: (1) producing space dyeing yarns: firstly, producing a space dyeing yarn a with fixed color, color knuckle arrangement, color knuckle length and color knuckle space, then respectively adjusting the color knuckle length, the color knuckle space and the color arrangement sequence to produce (n-1) kinds of space dyeing yarns to obtain n kinds of space dyeing yarns; (2) weft insertion process: and (3) weft insertion of the n types of space dyeing yarns is performed by using one weft accumulator respectively, each weft accumulator sequentially inserts one weft into one group, then the weft insertion sequence is changed to continue the next group of weft insertion, the same weft accumulator cannot perform continuous weft insertion, the interval between groups in the same weft insertion sequence is larger than 3 groups, and the sequence of any two groups of continuous weft insertion is not repeated. Compared with the traditional process, the process of the invention has the advantages of basically consistent color, uniformly distributed cloth surface color nodes, no wood grain shape and crosspiece defects, consistent cloth surface style and unstable cloth surface style of the traditional space dyeing yarn.)

1. A process for improving the cloth cover style of weft space-dyed yarn woven fabrics is characterized in that: the method comprises the following steps:

(1) producing space dyeing yarns:

firstly, producing a space dyeing yarn a with fixed color, color knuckle arrangement, color knuckle length and color knuckle space, then respectively adjusting the color knuckle length, the color knuckle space and the color arrangement sequence to produce (n-1) kinds of space dyeing yarns to obtain n kinds of space dyeing yarns;

(2) weft insertion process:

and (3) weft insertion of the n types of space dyeing yarns is performed by using one weft accumulator respectively, each weft accumulator sequentially inserts one weft into one group, then the weft insertion sequence is changed to continue the next group of weft insertion, the same weft accumulator cannot perform continuous weft insertion, the interval between groups in the same weft insertion sequence is larger than 3 groups, and the sequence of any two groups of continuous weft insertion is not repeated.

2. The process for improving the cloth cover style of the weft space-dyed yarn woven fabric according to claim 1, characterized in that: the average length of the color sections and the average space of the color sections of the (n-1) kinds of the space dyeing yarn colors in the step (1) are the same as those of the space dyeing yarn a.

3. The process for improving the cloth cover style of the weft space-dyed yarn woven fabric according to claim 1 or 2, characterized in that: the extreme values of the color space length and the color space of the (n-1) kinds of the space dyed yarns in the step (1) are within 30 percent of the space dyed yarn a.

4. The process for improving the cloth cover style of the weft space-dyed yarn woven fabric according to claim 1, characterized in that: and n is more than or equal to 3.

5. The process for improving the cloth cover style of the weft space-dyed yarn woven fabric according to claim 1, characterized in that: the production weight of the n kinds of space dyeing yarns is the same.

6. The process for improving the cloth cover style of the weft space-dyed yarn woven fabric according to claim 1, characterized in that: and (3) the number of the circulating weft yarns in the weft insertion process in the step (2) is more than 36.

Technical Field

The invention belongs to the technical field of spinning, and particularly relates to a process for improving the cloth cover style of weft space-dyed yarn woven fabrics.

Background

With the continuous improvement of the pursuit of people on the living quality, the textiles are developed towards differentiation and individuation, and the fabrics with fashion elements are more and more popular with consumers. The traditional yarn-dyed fabric has the advantages of strong pattern rule, uniform distribution, relatively single appearance, lack of variability, difficulty in producing leisure style and incapability of meeting the requirements of people on leisure and comfort. The space dyeing yarn is more and more favored by people with unique style and diversified appearance effect, but because of the limitation of space dyeing equipment at present, the space dyeing yarn color pitch length and the interval are regular, when the weft space dyeing yarn machine weaves, because each weft length is fixed, the cloth surface can have regular wood grain-shaped patterns, and when the weft yarn has a winding connector and the weaving weft yarn stops, the rule can be broken, the cloth surface can present an obvious pattern interface, thereby seriously affecting the quality of the cloth surface.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, the process for improving the cloth cover style of the weft space-dyed yarn woven fabric is provided, and the cloth cover style of the space-dyed yarn can be improved to the greatest extent.

The invention relates to a process for improving the cloth cover style of a weft space-dyed yarn woven fabric, which comprises a special space-dyed yarn process method and a special weft insertion method, and specifically comprises the following steps:

(1) producing space dyeing yarns:

firstly, producing space dyeing yarns a with fixed colors, color knuckle arrangement, color knuckle length and color knuckle spacing, then respectively adjusting the color knuckle length, the color knuckle spacing and the color arrangement sequence to produce (n-1) kinds of space dyeing yarns to obtain n kinds of space dyeing yarns, wherein n is more than or equal to 3, and the production weights of the n kinds of space dyeing yarns are the same. (ii) a

(2) Weft insertion process:

and (3) weft insertion of the n types of space dyeing yarns is performed by using one weft accumulator respectively, each weft accumulator sequentially inserts one weft into one group, then the weft insertion sequence is changed to continue the next group of weft insertion, the same weft accumulator cannot perform continuous weft insertion, the interval between groups in the same weft insertion sequence is larger than 3 groups, and the sequence of any two groups of continuous weft insertion is not repeated.

Wherein:

the average length of the color sections and the average space of the color sections of the (n-1) kinds of the space dyeing yarn colors in the step (1) are the same as those of the space dyeing yarn a.

The extreme values of the color space length and the color space of the (n-1) kinds of the space dyed yarns in the step (1) are within 30 percent of the space dyed yarn a.

And (3) the number of the circulating weft yarns in the weft insertion process in the step (2) is more than 36.

The invention verifies through tests that the cloth cover effect and the color of the space dyed yarns arranged by different processes are unchanged under the conditions of unchanged color and unchanged average color section length and space. According to the principle, single regular space dyeing is changed into a plurality of rules, so that the circulation rule is increased. The fancy weft insertion method for increasing the weft insertion rule is adopted in weaving, and the weft yarn color space change rule in the weaving process is increased again, so that the purpose of irregular color space arrangement on the cloth surface is realized, and the cloth surface style of the space dyeing yarn is improved to the greatest extent.

Compared with the prior art, the invention has the following beneficial effects:

compared with the traditional process, the process of the invention has the advantages of basically consistent color, uniformly distributed cloth surface color nodes, no wood grain shape and crosspiece defects, consistent cloth surface style and unstable cloth surface style of the traditional space dyeing yarn.

Detailed Description

The present invention will be further described with reference to the following examples.