阅读说明：本技术 一种压花面料的制备方法 (Preparation method of embossed fabric ) 是由 徐巍 于 2021-09-29 设计创作，主要内容包括：本发明提供一种压花面料的制备方法,包括如下步骤：抗菌底胚制作,选择纱线的经纱和纬纱型号编织后而得；坯布染色,将坯布放入高温高压溢流染色机的染缸进行染色；色布烘干定型,对染色后的色布进行高温烘干第一次定型和第二次定型形成抗菌底胚；将抗菌底胚通过压花机的上压花辊与下钢辊进行压花成型得到成品压花面料；通过对面料的立体改造研发改变面料原有的织物形态,其压花后的织物花纹深度通常在30μm～50μm之间,具有多样化视觉、特殊触感体验、立体感丰富的特性,具有强烈的视觉冲击效果。(The invention provides a preparation method of an embossed fabric, which comprises the following steps: manufacturing an antibacterial bottom blank, and selecting the warp and weft types of the yarn to weave to obtain the antibacterial bottom blank; dyeing the grey cloth, namely putting the grey cloth into a dye vat of a high-temperature high-pressure overflow dyeing machine for dyeing; drying and shaping the dyed cloth, and drying the dyed cloth at high temperature for the first shaping and the second shaping to form an antibacterial bottom blank; embossing the antibacterial bottom blank by an upper embossing roller and a lower steel roller of an embossing machine to obtain a finished embossed fabric; the original fabric form of the fabric is changed through three-dimensional modification, research and development of the fabric, the pattern depth of the embossed fabric is usually 30-50 mu m, and the fabric has the characteristics of diversified vision, special touch experience and rich three-dimensional sense and has strong visual impact effect.)

1. The preparation method of the embossed fabric is characterized by comprising the following steps of:

s1 antibacterial base blank is made by selecting the type of warp and weft of yarn, and weaving with original lines or partially with white yarn;

s2 dyeing the grey cloth, putting the grey cloth into a dye vat of a high-temperature high-pressure overflow dyeing machine; adding assistants such as high light-resistant dye, dispersant, surfactant and flame retardant into the dye vat for dyeing;

s3, drying the dyed cloth, and drying the dyed cloth at high temperature for the first shaping;

s4, shaping the color cloth, and carrying out high-temperature secondary shaping on the dried color cloth in the step 3 to form an antibacterial bottom blank;

s5, embossing the antibacterial base blank, namely embossing the antibacterial base blank by an upper embossing roller and a lower steel roller of an embossing machine, wherein the temperatures of the embossing roller and the lower steel roller are controlled within +/-3 ℃ simultaneously;

s6, collecting the material, and collecting the embossed material through a coiling device at a certain speed to obtain the finished embossed fabric.

2. The method of making an embossed fabric according to claim 1, wherein: the selection of the base fabric made of the antibacterial base blank in the step S1 comprises the following steps:

s11, selecting yarns, wherein the warp yarns of the yarns are DTY twisted yarns of 75D-150D/36F-48F; the weft yarns of the yarns are 150D-300D/36F-72F DTY twisted yarns;

s12, selecting a knitting machine, wherein the knitting machine is a warp knitting machine or a dobby knitting machine and has high warp and high weft density, and the fabric pattern and the embossed pattern are not in conflict with each other in design;

s13 selecting a grey cloth, wherein the grey cloth is knitted by original lines or is dyed after being partially knitted by white yarns, and dirt-resistant components and fabric structure locking aids are added during shaping; and the thickness of the base fabric is higher than that of the pattern of the embossing roll.

3. The method of making an embossed fabric according to claim 1, wherein: the antibacterial bottom embryo embossing method in the step S5 comprises the following steps:

s51 embossing pattern selection, decomposing a target pattern into a relief embossing pattern and a base fabric self-carrying pattern, and engraving the relief embossing pattern on the surface of the embossing roller to form a relief pattern unit;

s52, detecting the temperature, namely, installing the embossing roller on an embossing machine for heating, and detecting the temperature of the upper embossing roller and the temperature of the lower steel roller to reach the temperature required by embossing through a detection unit;

s53, error proofing treatment, wherein the base fabric on the feeding roller is conveyed to an edge aligning device, and the edge of the processed cloth is aligned with the patterned edge of the embossing roller to prevent error patterning;

and S54, carrying out relief embossing molding on the material through the relief unit in the step S51 to obtain a relief pattern.

4. The method of making an embossed fabric according to claim 3, wherein: the coverage rate of the relief embossing pattern structure is more than 80%, and the pattern depth of the embossed fabric is 30-50 μm.

5. The method of making an embossed fabric according to claim 3, wherein: when the temperature is detected in the step S52, the temperature of the embossing roller is 190 +/-3 ℃, and the temperature of the lower steel roller is 150 +/-3 ℃; the temperature testing positions are left, middle and right.

6. The method of making an embossed fabric according to claim 5, wherein: the embossing roller the lower steel roller is of a hollow cylindrical structure, a heat conduction oil circulation heating device is arranged on an inner interlayer, and hot oil circulation heating is adopted to ensure accurate temperature control.

7. The method of making an embossed fabric according to claim 3, wherein: in step S53, a device for preventing wrong alignment is provided before embossing, and a plurality of position identification points with equal spacing are provided on the processed base fabric.

8. The method of making an embossed fabric according to claim 7, wherein: the distance between the adjacent position identification points is the length of a cyclic pattern, and the opposite side device is arranged at the end point of each cyclic pattern.

9. The method of making an embossed fabric according to claim 3, wherein: in the step S54, the embossing pressure of the embossing plate is 4.5-6.5 MPa, and the feeding speed is 0.6-1.2 m/min.

10. The method of making an embossed fabric according to claim 9, wherein: the relief embossing is also provided with a feeding traction unit behind the feeding unit, the feeding traction unit comprises a feeding roller and a tension sensor, and the tension sensor is used for detecting the cloth tension so as to adjust the rotating speed of the feeding roller and the feeding roller.

Technical Field

The invention relates to the technical field of textile fabric processing, in particular to a preparation method of an embossed fabric.

Background

The requirements of the market on the interior of the automobile at the present stage show fashion and individuality, and the good interior can show the style and taste of the interior of the automobile. The fabric of the automobile interior trim cushion and the like which are popular in the market at present is basically divided into two types of fabric art and leather art, and the leather art is roughly divided into two types of genuine leather and artificial leather. The fabric is light and soft, breathable, novel in style, changeable in color and very suitable for the taste of young people, and the fabric sofa is easy to dirty, is frequently unpicked and washed and lacks the texture of thick and tight real leather. The leather fabric is soft and comfortable, warm in winter and cool in summer, firm and wear-resistant, looks grandeur, and has the defects of scarce materials, high price, and capability of maintaining the beauty of the leather fabric only by means of taking care of maintenance and cleaning. The automobile interior fabric cannot meet the new requirements of people on the automobile interior fabric only from the change of style, and the visual effect of the automobile interior fabric needs to be further improved. Therefore, the invention provides a preparation method of the embossed fabric.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a preparation method of an embossed fabric, which comprises the steps of base fabric type selection, grey fabric manufacturing, dyeing and embossing treatment. The original fabric form of the fabric is changed through three-dimensional modification, research and development of the fabric, the pattern depth of the embossed fabric is usually 30-50 mu m, and the fabric has the characteristics of diversified vision, special touch experience and rich three-dimensional sense and has strong visual impact effect.

In order to achieve the above object, the present invention further provides a method for preparing an embossed fabric, comprising the steps of:

s1 antibacterial base fabric is made by selecting the type of the warp and weft of the yarn, and by using original line knitting or partly using white yarn knitting and dyeing, the base fabric of the antibacterial base fabric is selected and comprises the following steps:

s11, selecting yarns, wherein the warp yarns of the yarns are DTY twisted yarns of 75D-150D/36F-48F; the weft yarns of the yarns are 150D-300D/36F-72F DTY twisted yarns;

s12, selecting a knitting machine, wherein the knitting machine is a warp knitting machine or a dobby knitting machine and has high warp and high weft density, and the fabric pattern and the embossed pattern are not in conflict with each other in design;

s13 selecting a grey cloth, wherein the grey cloth is knitted by original lines or is dyed after being partially knitted by white yarns, and dirt-resistant components and fabric structure locking aids are added during shaping; the thickness of the base fabric is higher than that of the patterns of the embossing roller;

s2 dyeing the grey cloth, putting the grey cloth into a dye vat of a high-temperature high-pressure overflow dyeing machine; adding assistants such as high light-resistant dye, dispersant, surfactant and flame retardant into the dye vat for dyeing;

s3, drying the dyed cloth, and drying the dyed cloth at high temperature for the first shaping;

s4, shaping the color cloth, and carrying out high-temperature secondary shaping on the dried color cloth in the step 3 to form an antibacterial bottom blank;

s5, embossing the antibacterial base blank, namely embossing the antibacterial base blank by an upper embossing roller and a lower steel roller of an embossing machine, wherein the temperatures of the embossing roller and the lower steel roller are controlled within +/-3 ℃ simultaneously; the embossing method comprises the following steps:

s51 embossing pattern selection, decomposing a target pattern into a relief embossing pattern and a base fabric self-carrying pattern, and engraving the relief embossing pattern on the surface of the embossing roller to form a relief pattern unit;

s52, detecting the temperature, namely, installing the embossing roller on an embossing machine for heating, and detecting the temperature of the upper embossing roller and the temperature of the lower steel roller to reach the temperature required by embossing through a detection unit;

s53, error proofing treatment, wherein the base fabric on the feeding roller is conveyed to an edge aligning device, and the edge of the processed cloth is aligned with the patterned edge of the embossing roller to prevent error patterning;

s54 relief embossing, wherein the relief embossing unit in the step S51 is used for carrying out relief embossing molding on the material to obtain a relief pattern; the coverage rate of the embossed pattern tissue reaches more than 80 percent, and the pattern depth of the fabric after embossing is usually 30-50 mu m.

S6, collecting the material, and collecting the embossed material through a coiling device at a certain speed to obtain the finished embossed fabric.

When the pattern is selected in step S51, determining the large-area pure-color pattern as a relief embossing pattern, and determining the rest patterns as base cloth self-carrying patterns or pattern roller concave bottom patterns;

according to the invention, in the detection of the temperature in the step S52, the temperature of the embossing roller is 190 +/-3 ℃, and the temperature of the lower steel roller is 150 +/-3 ℃; the temperature testing positions are left, middle and right; the embossing roller and the lower steel roller are both of hollow cylindrical structures, a heat conduction oil circulating heating device is arranged in an internal interlayer, and hot oil circulating heating is adopted to ensure accurate temperature control;

in the invention, a mistake-proofing edge aligning device is arranged before embossing in step S53, a plurality of position identification points with equal intervals are arranged on the processed base fabric, the interval between the adjacent position identification points is the length of a cyclic pattern, and the edge aligning device is arranged at the end point of each cyclic pattern (namely the start point of the next cyclic pattern) so as to judge and correct the embossing position in time;

in the step S54, the embossing forming pressure of the embossing plate is 4.5-6.5 MPa, and the feeding speed is 0.6-1.2 m/min; the relief embossing is also provided with a feeding traction unit behind the feeding unit, the feeding traction unit comprises a feeding roller and a tension sensor, and the tension sensor is used for detecting the tension of the cloth so as to adjust the rotating speed of the feeding roller and the feeding roller.

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

1. according to the embossed fabric for the automotive interior, the design of the embossing roller and the pattern of the conventional automotive interior material is broken through, so that the pattern of the interior material is more diversified, and a more abundant selection space is provided for consumers. Firstly, a single plane of the seat can be designed into patterns with various styles and combination, and the originality is very sufficient; secondly, various styles and patterns can be designed on the single shading fabric through embossing, the experience of heavy consumers is added, and some automobile interior materials capable of showing the taste and the individuality of an automobile owner are added.

2. The depth of the embossed fabric pattern is usually between 30 and 50 microns, the characteristics of diversified vision, special touch experience and rich three-dimensional sense are realized, and the high-performance requirements of the automotive fabric such as strength and abrasion are required; the coverage rate of the embossed pattern tissue reaches more than 80 percent, and the embossing process similar to RMB and cigarette cases is absorbed and applied; the thickness of the grey cloth determines the thickness of the pattern of the embossing roller, the thickness of the base cloth is higher than the thickness of the pattern of the embossing roller, otherwise, the pattern of the embossing is poor.

3. The invention can quickly select patterns with different base fabric pressing styles corresponding to different patterns, solves the problems related to abrasion and the like, meets the national standard requirements, and can also show the fusion of multiple effects by combining design and practical test on the same plane. According to different designs, the processing cloth corresponding to each pattern roller is different, and the pattern of the seat has different aesthetic feeling and smooth and clear lines when being applied to the seat; the commonality of the embossed base fabric is obviously enhanced, the development and weaving time of fabric patterns are saved, and the development cost is saved.

Drawings

FIG. 1 is a schematic view of an embossing roll pattern design of an embossed fabric of the present invention;

FIG. 2 is a top view of an embossed fabric product of the present invention;

FIG. 3 is a side view of a finished embossed fabric of the present invention;

FIG. 4 is a real object plane view of an embossed fabric of the present invention;

FIG. 5 is a stereoscopic view of an embossed fabric according to the invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples, so that those skilled in the art can fully understand the technical contents of the present invention. It should be understood that the following examples are intended to further illustrate the present invention and should not be construed as limiting the scope of the present invention, and that certain insubstantial modifications and adaptations of the invention by those skilled in the art based on the foregoing description are intended to be covered by the present invention. The specific process parameters and the like of the following examples are also only one example of suitable ranges, i.e., those skilled in the art can select the appropriate ranges through the description herein, and are not limited to the specific values exemplified below.

Example 1:

the preparation method of the embossed fabric with diversified visual impact force adopts the steps S1-S5, and specifically comprises the following steps:

(1) selecting 150D/48F DTY polyester filament yarn for twisting in the Z direction of 250; the weft yarns adopt DTY polyester filaments of 300D/72F, and are woven into grey cloth with the warp density of 300 pieces/inch and the weft density of 70 pieces/inch satin, or plain white blank (also can be used as the original lines);

(2) dyeing the grey cloth, namely putting the grey cloth into a dye vat of a high-temperature high-pressure overflow dyeing machine; adding related auxiliary agents such as high light-resistant dye, dispersing agent, surfactant and flame retardant into a dye vat, heating the dye vat to 120-140 ℃, reacting for 20-40 min at constant temperature, cooling to 50-60 ℃ after the reaction is finished, overflowing, washing for 15-20 min after overflowing for 4 times, and taking out of the dye vat;

(3) drying the dyed cloth, and carrying out high-temperature drying and primary shaping on the dyed cloth, wherein the high-temperature drying temperature is 130-150 ℃, and the high-temperature drying speed is 12m/min, so that the obtained fabric has an effective width of 155cm and a thickness of 1.2 mm;

(4) and (3) shaping the dyed fabric, namely carrying out high-temperature secondary shaping on the dried dyed fabric in the step (3), wherein the high-temperature shaping temperature is 130-150 ℃, and the shaping speed is 15m/min, so that the finished product with the width of 155cm and the thickness of 1.2mm is obtained. Adding finishing agents such as special dirt resistance and fiber anti-fluffing agents during shaping;

(5) embossing: the base fabric on the feeding roller is discharged by being conveyed to the embossing roller, the opposite side of the base fabric is arranged by the opposite side device, the deviation of the processed fabric is prevented, the feeding roller and the feeding roller are matched in speed, and the pattern forming effect is influenced when the tension is too large or too small. Composites below 2T can also be embossed using this technique; the subsequent processing cloth passes through the middle of an embossing roller and a lower steel roller, the temperature of the embossing roller is 190 ℃, the temperature of the lower steel roller is 150 ℃, the pressure is 5.5MPa, and the speed is 0.8 m/min;

(6) and (4) material is collected by a coiling device after embossing, and the material collecting speed is not too high. The depth of the embossed fabric patterns is about 40.5 mu m on average, the fabric has the characteristics of diversified vision, special touch experience and rich stereoscopic impression, and the coverage rate of the embossed pattern tissue reaches more than 85.5 percent.

Example 2:

the preparation method of the embossed fabric with diversified visual impact force specifically comprises the following steps:

(1) selecting 75D/36F DTY polyester filament yarn to twist in the Z direction of 200 as warp yarn; the weft yarns are 150D/36F DTY polyester filaments, and are woven into grey cloth with the warp density of 350 pieces/inch and the weft density of 80 pieces/inch satin, or plain white blanks (also the original ones) are directly selected;

(2) dyeing the grey cloth, namely putting the grey cloth into a dye vat of a high-temperature high-pressure overflow dyeing machine; adding related auxiliary agents such as high-light-resistance dye, dispersing agent, surfactant and flame retardant into a dye vat, heating the dye vat to 110-130 ℃, reacting for 30-50 min at constant temperature, cooling to 50-60 ℃ after the reaction is finished, overflowing, washing for 15-20 min after overflowing for 4 times, and taking out of the dye vat;

(3) drying the dyed cloth, and carrying out high-temperature drying and primary shaping on the dyed cloth, wherein the high-temperature drying temperature is 140-145 ℃, and the high-temperature drying speed is 15m/min, so that the obtained cloth has the effective width of 145cm and the thickness of 1.2 mm;

(4) and (3) shaping the colored cloth, namely carrying out high-temperature secondary shaping on the dried colored cloth in the step (3), wherein the high-temperature shaping temperature is 140-150 ℃, and the shaping speed is 13m/min, so that the finished product with the width of 145cm and the thickness of 1.2mm is obtained. Adding finishing agents such as special dirt resistance and fiber anti-fluffing agents during shaping;

(5) embossing: the base fabric on the feeding roller is discharged by being conveyed to the embossing roller, the opposite side of the base fabric is arranged by the opposite side device, the deviation of the processed fabric is prevented, the feeding roller and the feeding roller are matched in speed, and the pattern forming effect is influenced when the tension is too large or too small. Composites below 2T can also be embossed using this technique; the subsequent processing cloth passes through the middle of an embossing roller and a lower steel roller, the temperature of the embossing roller is 193 ℃, the temperature of the lower steel roller is 148 ℃, the pressure is 4.5MPa, and the speed is 1.2 m/min;

(6) and (4) material is collected by a coiling device after embossing, and the material collecting speed is not too high. The depth of the embossed fabric pattern is about 35.4 mu m on average, the fabric has the characteristics of diversified vision, special touch experience and rich stereoscopic impression, and the coverage rate of the embossed pattern tissue reaches over 88.5 percent.

Example 3:

the preparation method of the embossed fabric with diversified visual impact force specifically comprises the following steps:

(1) selecting 115D/40F DTY polyester filament yarn as warp yarn and twisting in the Z direction of 180 degrees; the weft yarns are DTY polyester filaments of 200D/60F, and are woven into grey cloth with the warp density of 250 threads/inch and the weft density of 65 threads/inch, or plain white blanks (also can be used as the original lines);

(2) dyeing the grey cloth, namely putting the grey cloth into a dye vat of a high-temperature high-pressure overflow dyeing machine; adding related auxiliary agents such as high light-resistant dye, dispersing agent, surfactant and flame retardant into a dye vat, heating the dye vat to 120-130 ℃, reacting for 40-50 min at constant temperature, cooling to 50-60 ℃ after the reaction is finished, overflowing, washing for 15-20 min after overflowing for 4 times, and taking out of the dye vat;

(3) drying the dyed cloth, and carrying out high-temperature drying and primary shaping on the dyed cloth, wherein the high-temperature drying temperature is 140-145 ℃, and the high-temperature drying speed is 15m/min, so that the obtained fabric has the effective width of 150cm and the thickness of 1.2 mm;

(4) and (3) shaping the dyed fabric, namely carrying out high-temperature secondary shaping on the dried dyed fabric in the step (3), wherein the high-temperature shaping temperature is 140-150 ℃, and the shaping speed is 13m/min, so that the finished product with the width of 150cm and the thickness of 1.2mm is obtained. Adding finishing agents such as special dirt resistance and fiber anti-fluffing agents during shaping;

(5) embossing: the base fabric on the feeding roller is discharged by being conveyed to the embossing roller, the opposite side of the base fabric is arranged by the opposite side device, the deviation of the processed fabric is prevented, the feeding roller and the feeding roller are matched in speed, and the pattern forming effect is influenced when the tension is too large or too small. Composites below 2T can also be embossed using this technique; passing the subsequent processing cloth out through the middle of an embossing roller and a lower steel roller, wherein the temperature of the embossing roller is 188 ℃, the temperature of the lower steel roller is 152 ℃, the pressure is 6.5MPa, and the speed is 1.0 m/min;

(6) and (4) material is collected by a coiling device after embossing, and the material collecting speed is not too high. The embossed fabric has the characteristics of average pattern depth of about 46.8 mu m, diversified vision, special touch experience and rich stereoscopic impression, and the embossed pattern tissue coverage rate reaches over 86.7 percent.

It should be noted that the above-mentioned preferred embodiments are merely illustrative of the technical concepts and features of the present invention, and are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.