阅读说明：本技术 一种针织面料一次成型仿旧染色工艺 (One-step forming and distressed dyeing process for knitted fabric ) 是由 章小勇 陈广友 卢晓峰 于 2019-10-28 设计创作，主要内容包括：本发明公开了一种针织面料一次成型仿旧染色工艺,包括如下步骤：a、面料煮漂：采用煮漂液对面料进行煮漂；b、中和：煮漂完成后向冷水中加入醋酸中和；c、除氧：中和完成后继续加入除氧酶；d、出机、脱水、烘干定型；e、喷浆：在煮漂后的坯布表面均匀喷淋阻染剂,喷淋完成后进入定型机；f、随后进行染色；g、柔软：加入柔软剂进行柔软；h、烘干、收卷：在烘箱中烘干,烘干后布料上收卷架收卷；本技术方案减少了染色工序复杂的程序,生产过程易控制、染色效率更高,符合节能环保、清洁生产的新趋势。(The invention discloses a knitted fabric one-step forming distressed dyeing process, which comprises the following steps: a. boiling and bleaching the fabric: boiling and bleaching the fabric by using a boiling and bleaching liquid; b. neutralizing: after boiling and bleaching, adding acetic acid into cold water for neutralization; c. and (3) deoxidizing: continuously adding oxygen removing enzyme after the neutralization is finished; d. discharging, dehydrating, drying and shaping; e. and (3) spraying slurry: uniformly spraying a dye blocking agent on the surface of the boiled and bleached grey cloth, and entering a setting machine after spraying is finished; f. then dyeing is carried out; g. softening: adding a softening agent for softening; h. drying and rolling: drying in an oven, and winding the dried cloth on a winding frame; the technical scheme reduces the complicated procedures of the dyeing process, has the advantages of easy control of the production process and higher dyeing efficiency, and accords with the new trend of energy conservation, environmental protection and clean production.)

1. A knitted fabric one-step forming distressed dyeing process is characterized in that:

the method comprises the following steps:

a. boiling and bleaching the fabric: the fabric is boiled and bleached by using a boiling and bleaching liquid, wherein the boiling and bleaching bath contains 5-10g/L of hydrogen peroxide, 1-3g/L of hydrogen peroxide stabilizer and 1-3g/L of soda, and the bath ratio is 1: boiling and bleaching at 100 deg.C for 50min at 6-10 deg.C for discharging liquid;

b. neutralizing: adding acetic acid into cold water after boiling and bleaching, neutralizing with acetic acid concentration of 0.5g/L at 50 deg.C for 10 min;

c. and (3) deoxidizing: after the neutralization is finished, continuously adding deoxygenizing enzyme of 0.1-0.3g/L, wherein the deoxygenizing temperature is 50 ℃, and the deoxygenizing time is 15 min;

d. discharging, dehydrating, drying and shaping;

e. and (3) spraying slurry: uniformly spraying a dye-blocking agent on the surface of the boiled and bleached gray fabric, wherein the concentration of the dye-blocking agent is 5-10%, entering a setting machine after spraying, setting at the temperature of 150-;

f. then dyeing is carried out;

g. softening: adding 0.5-2% softening agent, and softening at 50 deg.C for 20 min;

h. drying and rolling: drying at 150 ℃ in an oven at the drying speed of 10-20m/min, and winding the dried fabric on a winding frame.

2. The one-step forming distressed dyeing process of the knitted fabric according to claim 1, which is characterized in that: the softener is SL 302.

3. The one-step forming distressed dyeing process of the knitted fabric according to claim 1, which is characterized in that: the winding frame comprises a triangular fixing base, a vertical frame and a rotary winding device.

The triangular fixing base comprises a base plate (1), a reinforcing plate (2) obliquely connected with the base plate (1) and a packaging clamping groove (3) used for packaging after cloth is coiled and connected with one end of the reinforcing plate (2);

the vertical frame comprises a fixed end (4) and a limiting clamping groove (6) which is arranged at the top end of the vertical frame and used for limiting movement;

the rotary winding device comprises a winding roller extension arm (7) for winding cloth, a cloth guide roller extension arm (8) and an upper paper roll extension arm (9), wherein the cloth guide roller extension arm (8) is vertically arranged at 90 degrees, and the winding roller extension arm (7) is arranged on a straight line and is vertically arranged at 90 degrees with the cloth guide roller extension arm (8).

4. The one-step forming distressed dyeing process of the knitted fabric according to claim 3, which is characterized in that: the arc center of the bottom arc area of the packaging clamping groove (3) is lower than the lowest point of the inclined plane of the packaging clamping groove (3).

5. The one-step forming distressed dyeing process of the knitted fabric according to claim 3, which is characterized in that: the fixed end (4) is provided with a U-shaped hole (10) convenient for placing a cloth roll in the packaging clamping groove (3), and a movable roll inlet (12) is formed in one side, close to the winding roll extending arm (7), of the U-shaped hole (10).

6. The one-step forming distressed dyeing process of the knitted fabric according to claim 3, which is characterized in that: and protective housings (11) are arranged on the outer sides of the winding roller extension arm (7), the cloth guide roller extension arm (8) and the upper paper roll extension arm (9).

7. The one-step forming distressed dyeing process of the knitted fabric according to claim 3, which is characterized in that: and the winding roller extension arm (7), the cloth guide roller extension arm (8) and the upper paper roll extension arm (9) are transversely fixed through the mounting hole in the protective housing (11).

8. The one-step forming distressed dyeing process of the knitted fabric according to claim 3, which is characterized in that: the winding roller extension arm (7), the cloth guide roller extension arm (8) and the upper paper roll extension arm (9) are provided with threads at two ends, and the longitudinal limit of the roller on the winding roller extension arm (7), the cloth guide roller extension arm (8) and the upper paper roll extension arm (9) is limited by two nuts.

Technical Field

The invention relates to a one-step forming and distressed dyeing process for a knitted fabric, in particular to a one-step forming and distressed dyeing process for a knitted fabric.

Background

The prior distressed dyeing process of the knitted fabric is complex in procedure, and the fabric dyeing and garment finishing are carried out before water washing distressed finishing. The whole production process has long time from the fabric production to the final garment washing and distressing; in the traditional antique finishing process, polishing, stone grinding, potassium permanganate spraying and the like are needed, the production process is difficult to control, quality defects such as ready-made clothes are easy to abrade, the potassium permanganate spraying amount is difficult to control, and the antique washing effect is poor can be easily caused. The water consumption for washing the ready-made clothes is large, the energy consumption is high, the cost is high, and the new trend of clean production, energy conservation and consumption reduction is not met; in the traditional process, the fabric is easy to stretch in the process of dyeing, coiling and then finishing, and the problems of deformation or asymmetry of the plate type caused by unstable shrinkage and the like can even occur subsequently.

Disclosure of Invention

The invention aims to provide a knitted fabric one-step forming distressed dyeing process, which solves one or more of the problems in the prior art.

In order to solve the technical problems, the technical scheme of the invention is as follows: the one-step forming and distressed dyeing process of the knitted fabric has the innovation points that: the method comprises the following steps:

a knitted fabric one-step forming distressed dyeing process is characterized in that:

the method comprises the following steps:

a. boiling and bleaching the fabric: the fabric is boiled and bleached by using a boiling and bleaching liquid, wherein the boiling and bleaching bath contains 5-10g/L of hydrogen peroxide, 1-3g/L of hydrogen peroxide stabilizer and 1-3g/L of soda, and the bath ratio is 1: boiling and bleaching at 100 deg.C for 50min at 6-10 deg.C for discharging liquid;

b. neutralizing: adding acetic acid into cold water after boiling and bleaching, neutralizing with acetic acid concentration of 0.5g/L at 50 deg.C for 10 min;

c. and (3) deoxidizing: after the neutralization is finished, continuously adding deoxygenizing enzyme of 0.1-0.3g/L, wherein the deoxygenizing temperature is 50 ℃, and the deoxygenizing time is 15 min;

d. discharging, dehydrating, drying and shaping;

e. and (3) spraying slurry: uniformly spraying a dye-blocking agent on the surface of the boiled and bleached gray fabric, wherein the concentration of the dye-blocking agent is 5-10%, entering a setting machine after spraying, setting at the temperature of 150-;

f. then dyeing is carried out;

g. softening: adding 0.5-2% softening agent, and softening at 50 deg.C for 20 min;

h. drying and rolling: drying at 150 ℃ in an oven at the drying speed of 10-20m/min, and winding the dried fabric on a winding frame.

In some embodiments, the softener is SL 302.

In some embodiments, the take-up reel comprises a triangular fixed base, a vertical rack, and a rotary take-up.

The triangular fixing base comprises a base plate, a reinforcing plate obliquely connected with the base plate and a packaging clamping groove used for packaging after cloth is coiled and connected with one end of the reinforcing plate;

the vertical frame comprises a fixed end and a limiting clamping groove which is arranged at the top end of the vertical frame and used for limiting movement;

the rotary winding device comprises a winding roller extension arm for winding cloth, a cloth guide roller extension arm and an upper paper roll extension arm, wherein the cloth guide roller extension arm is perpendicular to the winding roller extension arm by 90 degrees, and the upper paper roll extension arm is perpendicular to the cloth guide roller extension arm by 90 degrees and is in the same straight line with the winding roller extension arm.

In some embodiments, the arc center of the bottom arc of the package card slot is lower than the lowest point of the inclined plane of the package card slot.

In some embodiments, the fixed end is provided with a U-shaped hole for allowing the cloth roll to fall to the packaging clamping groove, and the U-shaped hole is provided with a movable roll inlet at one side close to the winding roll extension arm.

In some embodiments, the rotary winding device is rotatably mounted to the center of the vertical frame, and protective housings are provided on the outer sides of the wind-up roll extension arm, the cloth guide roll extension arm, and the upper roll extension arm.

In some embodiments, the rollers on the wind-up roller extension arm, the cloth guide roller extension arm, and the upper roll extension arm are laterally restrained by mounting holes in the protective enclosure.

In some embodiments, the two ends of the rollers on the wind-up roller extension arm, the cloth guide roller extension arm and the upper paper roll extension arm are provided with threads, and the longitudinal position limitation of the rollers on the wind-up roller extension arm, the cloth guide roller extension arm and the upper paper roll extension arm adopts double-nut position limitation.

The invention has the advantages that: in the technical scheme, complex procedures such as polishing, stone grinding, potassium permanganate spraying and the like are not needed, the production process is low in control difficulty, the process is shortened, the water consumption for washing ready-made clothes is greatly reduced, the energy consumption is reduced, the requirements for clean production and energy conservation and consumption reduction are met, the process is simplified, dyeing and antiquing one-step forming are achieved, the labor intensity of workers is reduced, the efficiency is higher, and the fabric can be prevented from being stretched.

Drawings

FIG. 1 is a schematic structural view of a winding frame in the one-step forming and distressed dyeing process of the knitted fabric.

FIG. 2 is a partial enlarged view of a winding frame in the one-step forming and distressed dyeing process of the knitted fabric.

Detailed Description

For the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.