CN111485322A

CN111485322A - Three-dimensional interlaced fabric and preparation method thereof

Info

Publication number: CN111485322A
Application number: CN202010342116.9A
Authority: CN
Inventors: 姜林强; 王威
Original assignee: Tongxiang Nalan Warp Textile Co ltd
Current assignee: Tongxiang Nalan Warp Textile Co ltd
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2020-08-04
Anticipated expiration: 2040-04-27
Also published as: CN111485322B

Abstract

The invention relates to a three-dimensional interlaced fabric and a preparation method thereof, through three-dimensional construction, a non-pressure yarn tissue is designed, weaving is carried out on a tricot high-speed warp knitting, the pattern of the fabric is more accurate and smooth, yarn damage is reduced, and yarn breakage is reduced; by adopting industrial general equipment, the equipment restriction in the production of the stereoscopic interlacing bar needle style warp-knitted fabric is solved, and the yield and the quality of the stereoscopic interlacing fabric are improved; the fabric tissue adopts a mode that a local coil is lack of a pad, slides and winds into a pattern, and the local coil is looped and weaved, the waxy change of the pattern floating line is reduced by adopting the weaved coil, the pattern is more stable, and the effects of snagging resistance, scratching resistance and silk drawing resistance are obvious; the invention improves the situation that the traditional three-dimensional interlacing bar needle style warp-knitted fabric is only rough, provides a very large space for rough and dense jacquard of dense base cloth, and expands the application space of the three-dimensional interlacing fabric.

Description

Three-dimensional interlaced fabric and preparation method thereof

Technical Field

The invention relates to the field of warp-knitted fabric preparation, in particular to a three-dimensional interlaced fabric and a preparation method thereof.

Background

Warp-knitted fabrics with a three-dimensional interlacing style are usually produced on a raschel yarn-pressing warp knitting machine with a large needle pitch, a guide needle is used for hooking a yarn machine type to weave by using a traditional latch needle, a knocking-over device adopts a knocking-over plate and a sinker to complete holding and knocking-over, and a latch needle closing steel wire is installed on a complete machine and moves up and down on the latch needle to complete closing. The most distinctive structure of the warp knitting machine is a yarn pressing plate device: the knitting needle descends after finishing the yarn laying, and the yarn pressing plate descends at the moment, so that the jacquard yarns of the guide bar at the yarn laying position in front of the yarn pressing plate are separated from the needle hook and are pressed to the needle bar position all the time, therefore, when the needle hook is closed, the jacquard yarns are not at the needle hook, do not normally enter a holding area and are not looped, and are only interlaced on the guide bar yarns at the back of the yarn pressing plate, namely, the jacquard yarns are bound by the guide bar yarns at the back of the yarn pressing plate, and the three-dimensional interlacing effect of floating line floating marks is formed. The plate warp knitting machine provides a number of excellent pattern styles for us: big hank, little hank, eight characters hank, fretwork blank etc. this type of surface fabric style is close manual excellent needle effect, has richened the type of warp knitting product.

However, such warp knitting machines have been equipped with the warp knitting industry from the last 50 th century, and have been slightly improved, but have been very lagged behind compared with the modern high-speed warp knitting machines, and the short plates of such warp knitting equipment are mainly embodied in the following points:

1. for the reasons of small and popular people, international and domestic equipment manufacturers basically stop deep development and upgrade, and are in a state of stagnation in model updating, so that the equipment is greatly behind modern warp knitting equipment, and most domestic equipment is old.

2. The traditional latch needle and closed steel wire configuration of the thick needle type warp knitting machine needs to fully consider the closed effectiveness, the machine speed limitation is very high, generally about 250 revolutions per minute, and the yield is very low;

3. most of the looping moving parts of the thick-needle type warp knitting machine are also of an open cam structure, the synchronization precision is very low, an eccentric link mechanism is developed subsequently, but the optimization of the looping mechanism lags the development of the industry due to the low production quantity of equipment.

4. The requirements of the warp knitting machine with the thick needle type on the yarns of the jacquard guide bar are very high, and when the yarns are pressed, the yarns of the jacquard guide bar are subjected to higher tension instantly to cause frequent yarn breakage. Meanwhile, the requirements on the breaking strength and the breaking elongation of the yarn are strict, the application range of the yarn is small, and the development of products is restricted

5. The thick-needle type warp knitting machine lacks the assistance of an electronic servo system, cannot automatically feed yarns during yarn pressing, and cannot withdraw yarns during knocking over. Therefore, the smoothness and precision of the pattern of the raised pattern on the cloth surface are not sufficient

6. The yarn pressing system with the yarn pressing plate has great damage to yarns, the hairiness of the cloth surface is increased, the pilling rate is increased, and the texture of the product is reduced.

The equipment is low in stability and difficult to adjust due to various reasons, meanwhile, the electronization degree is low, the man-machine interaction degree is low, and the deep development of the products is restricted, however, the fabric with the stereoscopic interlacing style is an important fabric type in the warp knitting fabric, has high market value, and needs to be continuously developed and researched, and due to the reasons, the warp knitting fabric with the stereoscopic interlacing style needs to be tried to be woven on advanced modern warp knitting equipment.

Disclosure of Invention

In view of the above problems with the prior art, it is an object of the present invention to provide a fabric having a three-dimensional interlacing style and a method of weaving the fabric on modern high speed warp knitting equipment.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

the three-dimensional interlaced fabric is constructed in three dimensions, and a yarn pressing plate is not used in the weaving process.

Furthermore, the fabric comprises a base fabric and a jacquard structure, wherein the base fabric has a fine and smooth style, and the jacquard structure has a rough style.

Furthermore, the local coil lacking pad in the fabric is slipped and wound into a pattern, and the local coil is woven in a loop.

In addition, the invention also provides a method for preparing the three-dimensional interlaced fabric on modern high-speed warp knitting equipment, which comprises the following steps:

step 1: selecting and preparing yarns;

step 2: warping;

and step 3: warp knitting fabric

And 4, step 4: and (6) dyeing and finishing.

Further, the step 1 specifically comprises: yarn raw materials are selected according to the process, and are selected from natural fiber pure spinning yarns, or natural fiber blended yarns, or synthetic fiber short fiber pure spinning yarns, or synthetic fiber short fiber blended yarns, or natural fiber and synthetic fiber filament blended yarns.

Further, the step 3 specifically includes:

step 3.1: designing a warp knitting process: selecting fabric pattern style, components and specifications according to customer requirements;

step 3.2: determining equipment, namely, adopting a tricot or Raschel single needle bed warp knitting machine, wherein the number of guide bars is more than 4, and the machine number is 16-32 needles/inch;

step 3.3: determining a process texture, dividing the fabric into a base fabric texture and a jacquard texture,

the texture of the base fabric portion is selected from: the weaving chain and the weft insertion, or the weaving chain and the variable weft insertion, or any two of the loop-forming tissues which can be interwoven into cloth, or the single-comb tissue;

the weave of the jacquard portion is selected from: each pattern is matched with two guide bars, and the organization of each guide bar has the functions of looping and lacking the cushion;

step 3.4: three-dimensional estimation is carried out, when the jacquard guide bar tissue of the three-dimensional interlaced fabric is woven, yarn laying process, pad missing sliding and winding are generated in a three-dimensional space.

Further, the process flow of step 4 includes: shaping the gray cloth, sewing edges, dyeing in a cylinder and shaping a finished product.

The invention provides a fabric which is not woven by a yarn pressing plate and has a three-dimensional interlacing effect, and provides a method for preparing the three-dimensional interlacing fabric on modern high-speed warp knitting equipment, through three-dimensional construction, a non-pressure yarn tissue is designed, and weaving is carried out on tricot high-speed warp knitting, so that the pattern of the fabric is more accurate and smooth, the yarn damage is reduced, and the yarn breakage is reduced; by adopting industrial general equipment, the equipment restriction in the production of the stereoscopic interlacing bar needle style warp-knitted fabric is solved, and the yield and the quality of the stereoscopic interlacing fabric are improved; the fabric tissue adopts a mode that a local coil is lack of a pad, slides and winds into a pattern, and the local coil is looped and weaved, the waxy change of the pattern floating line is reduced by adopting the weaved coil, the pattern is more stable, and the effects of snagging resistance, scratching resistance and silk drawing resistance are obvious; the invention improves the situation that the traditional three-dimensional interlacing bar needle style warp-knitted fabric is only rough, provides a very large space for rough and dense jacquard of dense base cloth, and expands the application space of the three-dimensional interlacing fabric.

Drawings

FIG. 1 is a schematic view of a finished fabric article of the present invention;

FIG. 2 is a schematic view of the yarn laying process in the three-dimensional estimation process of step 3.4;

FIG. 3 is a schematic diagram of pad missing slip in the three-dimensional estimation process of step 3.4;

fig. 4 is a schematic diagram of the winding generated in the three-dimensional estimation process of step 3.4.

Detailed Description

For further understanding of the present invention, embodiments of the present invention will be described in further detail below with reference to examples, but the embodiments of the present invention are not limited thereto.

In order to make the purpose and technical solution of the present invention more apparent, the present invention is further described in detail with reference to the following examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The following describes the application of the present invention in detail.

The three-dimensional interlaced fabric is constructed in a three-dimensional mode, no yarn pressing is used in the weaving process, the fabric comprises a base fabric and a jacquard structure, the base fabric has a fine and smooth style, the jacquard structure has an rough style, partial coils in the fabric are wound into patterns in a slipping mode in a missing mode, and the partial coils are woven in a looping mode.

The invention provides a method for preparing a three-dimensional interlaced fabric on modern high-speed warp knitting equipment, through three-dimensional construction, a non-pressure yarn tissue is designed, and weaving is carried out on tricot high-speed warp knitting, so that the fabric pattern is more accurate and smooth, yarn damage is reduced, and yarn breakage is reduced; by adopting industrial general equipment, the equipment restriction in the production of the stereoscopic interlacing bar needle style warp-knitted fabric is solved, and the yield and the quality of the stereoscopic interlacing fabric are improved; the fabric tissue adopts a mode that a local coil is lack of a pad, slides and winds into a pattern, and the local coil is looped and weaved, the waxy change of the pattern floating line is reduced by adopting the weaved coil, the pattern is more stable, and the effects of snagging resistance, scratching resistance and silk drawing resistance are obvious; the invention improves the situation that the traditional three-dimensional interlacing bar needle style warp-knitted fabric is only rough, provides very large space for rough and dense jacquard of dense base cloth, and expands the application space of the three-dimensional interlacing fabric

Example 1:

the preparation method comprises the following steps:

1. yarn selection and preparation:

selecting yarn materials according to the process, wherein the yarns can be selected from nylon filaments, polyester filaments and regenerated cellulose filaments; pure spun yarns or blended yarns of short fibers such as terylene, chinlon, acrylon, cotton, wool, mulberry silk, regenerated cellulose and the like; the specification of the nylon filament is 30D/12f-300D/144f, the specification of the polyester filament is 30D/12f-300D/576f, the specification of the regenerated cellulose filament is 50D/12f-300D/96f, and the specification of pure spun yarn or blended yarn of short fibers of the polyester, the nylon, the acrylic fiber, the cotton, the wool, the mulberry silk, the regenerated cellulose and the like is 16Ne/1-70Ne/1 and 21Ne/2-160Ne/2 of single yarn.

2. Yarn warping

The yarn material involved in the weaving can be warped in the usual way in the industry.

3. Warp knitting fabric

a. Field adjustment during weaving on a warp knitting machine: when warp knitting is carried out, the process is carefully checked, and the cloth is hung and the yarn is raised;

b. carefully checking all elements of the cloth cover: whether defects such as vertical strips, horizontal strips, missed stitches and the like exist or not;

c. the weaving tension of each yarn is carefully measured, so that the cloth cover is smooth, and yarn breakage is reduced.

4. Dyeing and finishing of fabric

The specific process flow comprises the following steps: shaping the gray cloth, sewing edges, dyeing in a cylinder and shaping a finished product; because the style of the three-dimensional interlaced warp-knitted fabric is mainly the generation of yarn floating marks, the emphasis is to prevent the mechanical damage of the jacquard surface during dyeing.

The specific process of warp knitting and weaving is as follows:

3.1, designing a warp knitting process, selecting proper fabric pattern style, components and specifications according to customer requirements, wherein the pattern style of the three-dimensional interlaced rod needle style warp knitting fabric comprises the following steps: the color stripes are spaced at random intervals on the basis of the styles, and the width of the color stripes is 2-20 mm.

3.2, determining equipment, wherein the adopted warp knitting machine model comprises but is not limited to a tricot single-needle bed warp knitting machine, a Raschel single-needle bed warp knitting machine, the number of guide bars is more than 4, and the machine number is 16 needles/inch-32 needles/inch.

3.3, determining a process texture, wherein the three-dimensional interlaced fabric is divided into a base fabric texture and a jacquard texture, and the selectable textures of the base fabric texture comprise: chaining + weft insertion (1-0/0-1// +0-0/3-3//, the number of weft insertion needles can be changed as required); chaining + changing weft insertion (1-0/0-1// +0-0/3-3/0-0/5-5//, the number of weft insertion needles in the length changing part can be changed arbitrarily according to the requirement); any two loop stitches (1-0/1-2// +2-3/1-0//, the number of needles traversed in front of the two combs can be changed according to needs) which can be interwoven into a cloth; any single comb tissue (1-0/1-2, the number of needles which move transversely in front of the needles can be changed according to the needs);

the jacquard portion may have selected textures including: each pattern is generally matched with two guide bars, and the organization of each guide bar generally has two functions of looping and pad lacking; for example, 1-0/4-4// +3-4/0-0//, the number of the knitting courses can be set as required, the number of the cushion lacking courses can also be set as required, the number of the knitting yarn padding can be changed as required, and the number of the cushion lacking yarn padding can also be changed as required.

3.4, three-dimensional estimation, when the jacquard guide bar tissue of the stereoscopic interlacing bar needle style warp-knitted fabric is woven, 3 processes are generally generated in a stereoscopic space, namely: the lapping process (as shown in fig. 2), the pad missing slip (as shown in fig. 3), and the winding (as shown in fig. 4).

Example 2:

1. designing a warp knitting process:

1.1, a 5mm twill twist style is selected, the style is elegant, and the superiority of the embodiment can be fully embodied;

1.2, main data of the fabric:

large twisted strip specification: winding 4 yarns at a pitch of-5 mm, wherein the longitudinal density of a finished product is 8 needles/cm, the transverse density of the finished product is 10 needles/cm, the specification of the finished product is 300 g/square meter, the width of the finished product is 150 cm, and the components of the finished product are 54% of cotton and 46% of terylene;

1.3, adopting a German Karl Meier 22-needle four-comb tricot knitting machine as production equipment; the design process is as follows:

1.4, material selection and preparation:

base fabric material of the present example: 150D/48f terylene semi-gloss DTY has excellent strength and moderate elasticity so as to form effective base cloth;

jacquard Material for the present example: 50Ne/3 cotton yarn, strength 410, multi-strand combination, enhancement and winding visual effect, and high yarn strength, which is very favorable for weaving;

the bottom polyester cotton of the embodiment can be flatly sleeved to form plain color, and can also form double-layer and double-color effects by single dyeing cotton.

2. Warping yarns:

150D/48 semi-gloss DTY warping is the same as common terylene, and the uniform tension of the yarn and the flat disc surface are ensured.

Because 50Ne/3 is excellent folded yarn, the warping equipment of the same type as common terylene is adopted for warping cotton yarn, and the equipment is required to be intact, particularly the sensitivity of a tensioner is high; the setting of a tensioner needs to be soft when the cotton yarn is warped, the machine speed needs to be slow, and flying needs to be cleaned frequently.

The warping process adopts a domestic sectional copying warping machine, and is as follows:

raw materials

KDF

Roller

Feather of feather

Copying

Speed of rotation

Refueling

Transverse moving

150D/48 terylene low stretch yarn

5

3

Opening device

650

Closing device

50Ne/3 cotton yarn

5

3

Opening device

300

Closing device

3. Warp knitting fabric

①, when knitting, carefully checking the process, and hanging the cloth without mistake.

②, carefully checking whether the defects of vertical strips, horizontal strips, missed stitches and the like exist in all the elements of the cloth cover.

③, carefully measuring the weaving tension of each yarn to ensure the smooth cloth surface, less yarn breakage and the weaving tension requirement as follows:

yarn	Tension range
		150D/48 terylene low stretch yarn	10-14CN
50Ne/3 cotton yarn	12-16CN

4. Dyeing and finishing fabric

①, the fabric is mainly used for preventing the mechanical damage of the jacquard surface during dyeing, and the hemming dyeing is strictly carried out to prevent the pattern floating line from being scratched and scratched, and the reference flow is as follows, the gray fabric is shaped, the hemming (pattern in the pattern), the terylene dyeing, the cotton dyeing, the drying, the shaping and the softening, the woolen blanket finishing and the finished product rolling;

②, the computer parameters of each main process are shown in the following table:

shaping of gray cloth	185 degrees, 15 to 20 percent of overfeed and 15 yards/minute
		Dyeing in jar	Cloth speed in the cylinder: 180 s/circle (cloth in cylinder for one cycle)
Shaping of finished product	165 degrees, light drawing: 0 to 5 percent
		Woolen blanket finishing	60 ℃ for 90 minutes

The final product is shown in fig. 1.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any modifications or equivalent variations made in accordance with the technical spirit of the present invention are within the scope of the present invention as claimed.

Claims

1. The three-dimensional interlaced fabric is characterized in that the fabric is constructed in a three-dimensional mode, and a yarn pressing plate is not used in the weaving process.

2. The solid interlaced fabric of claim 1, wherein the fabric comprises a base fabric and a jacquard structure, the base fabric has a smooth texture, and the jacquard structure has a rough texture.

3. The interlaced fabric of claim 1, wherein the fabric is woven by sliding and winding the partial loops without padding into a pattern, and weaving the partial loops into loops.

4. A method of making the solid interlaced fabric of any of claims 1 to 3, comprising the steps of:

step 1: selecting and preparing yarns;

step 2: warping;

and step 3: warp knitting fabric

And 4, step 4: and (6) dyeing and finishing.

5. The method according to claim 4, wherein the step 1 is specifically: yarn raw materials are selected according to the process, and are selected from natural fiber pure spinning yarns, or natural fiber blended yarns, or synthetic fiber short fiber pure spinning yarns, or synthetic fiber short fiber blended yarns, or natural fiber and synthetic fiber filament blended yarns.

6. The method according to claim 4, wherein the step 3 is specifically:

7. The method of claim 6, wherein the process flow of step 4 comprises: shaping the gray cloth, sewing edges, dyeing in a cylinder and shaping a finished product.