阅读说明：本技术 一种正面平布反面毛圈毛巾的印花方法 (Printing method for front plain cloth and back terry towel ) 是由 李洪颖 薛永喜 徐丽伟 李炳宇 于 2019-10-28 设计创作，主要内容包括：本发明公开了一种正面平布反面毛圈毛巾的印花方法,采用浮刀印法,包括以下步骤：(1)分色制版：将客户来的样稿首先进行分色、压线,排版顺序先深色后浅色；(2)印花：采用浮刀印法印花,第一刀铺浆,均匀的把浆料铺到网版上；第二刀刮浆,将浆料轻轻刮印到织物表面；铺浆刀与刮浆刀均使用小刮刀；(3)烘干：将印花后的坯布在120～130℃烘干,烘干时间为15～20分钟。本发明用于正面平布反面毛圈毛巾的印花,印制的图案更清晰,颜色之间渗色少,不易出现错版,精细花型表现的更细腻、清晰度更高。(The invention discloses a printing method of a terry towel with plain cloth on the front side and terry on the back side, which adopts a floating knife printing method and comprises the following steps: (1) color separation plate making: firstly, color separation and line pressing are carried out on a sample manuscript from a client, and the typesetting sequence is dark color first and then light color; (2) printing: printing by a floating knife printing method, spreading slurry by a first knife, and uniformly spreading the slurry on a screen printing plate; scraping the pulp by a second knife, and lightly scraping and printing the pulp on the surface of the fabric; small scrapers are used for the slurry spreading cutter and the slurry scraping cutter; (3) drying: and drying the printed grey cloth at 120-130 ℃ for 15-20 minutes. The invention is used for printing the terry towel with the front plain cloth and the back terry, the printed patterns are clearer, the color bleeding is less, the wrong patterns are not easy to appear, the fine patterns are more exquisite, and the definition is higher.)

1. A printing method of a terry towel with a plain cloth on the front side and a terry on the back side is characterized in that a floating knife printing method is adopted, and the printing method comprises the following steps:

(1) color separation plate making: firstly, carrying out color separation and line pressing on the sample manuscript, and carrying out dark color and light color sequentially in the typesetting sequence;

(2) printing: printing by a floating knife printing method, spreading slurry by a first knife, and uniformly spreading the slurry on a screen printing plate;

scraping the pulp by a second knife, and lightly scraping and printing the pulp on the surface of the fabric; small scrapers are used for the slurry spreading cutter and the slurry scraping cutter, an included angle of 58-62 degrees is formed between the slurry spreading cutter and the screen printing plate bearing surface, and an included angle of 88-92 degrees is formed between the slurry scraping cutter and the screen printing plate bearing surface;

(3) drying: and drying the printed grey cloth at 120-130 ℃ for 15-20 minutes.

2. The method for printing the front terry towel and the back terry towel as claimed in claim 1, wherein the pretreatment of the gray fabric comprises: boiling and bleaching the grey cloth in an overflow machine at 95-100 ℃ for 50-65 min; then, washing twice, wherein the washing temperature is 70-80 ℃, and the washing time is 5-10 min; then carrying out acid washing for 10-20 min at 50-52 ℃, and carrying out water washing for 5-10 min again; finally softening the mixture at 40-42 ℃ for 15-25 min; and finally, discharging the cloth.

3. The method of printing the right side plain back loop towel according to claim 1, wherein: in the step (1), a terylene silk screen with the mesh size of more than 80 is selected for plate making, and the tension of the silk screen is 20-24N.

4. The method of printing the right side plain back loop towel according to claim 1, wherein: in the step (1), the resolution ratio during color separation is 180dpi or 360 dpi; and controlling the voltage to be 1-2 pixels during line pressing.

5. The method of printing the right side plain back loop towel according to claim 1, wherein: in the step (2), the rubber width of the slurry spreading knife is 40-50 mm, and the hardness is 60-65 ℃; the width of the rubber of the scraping knife is 50-60 mm, and the hardness is 55-60 degrees.

6. The method of printing the right side plain back loop towel according to claim 1, wherein: in the step (2), the scraping speed during the slurry scraping is 1.0-1.5 m/min.

7. The method of printing the right side plain back loop towel according to claim 1, wherein: in the step (2), a pressure graduator of the slurry spreading knife shows 3-5 during slurry spreading; and the pressure graduator of the scraping knife is shown as-1 to-3 during scraping.

Technical Field

The invention relates to the technical field of towels, in particular to a printing technology of a terry towel with a plain cloth on the front side and a terry on the back side.

Background

At present, the market situation of the textile industry is more severe, in order to better adapt to the market demand, many customers are more and more inclined to the design of light and thin towel products, on one hand, the price is low, on the other hand, the differentiated design can more arouse the purchasing desire of consumers, and especially, products such as double-layer towels and single-side towels are favored by consumers due to the characteristics of good hand feeling, softness, skin friendliness, quick drying and the like. Such as the double layer towel of the japanese market, the single face tea towel of the american market, and the single face beach towel of the european market are explaining this concept. The market share of such products is increasing and is also a trend in the global market.

At present, although towel products are thinner and thinner, designers often design some fine patterns to print on the double-layer and single-side towel grey cloth so as to improve the added value of the products and the product grade. How to print the fine patterns is a technical problem. Especially, the printing problem of the towel products with the front surface plain cloth and the back surface terry is a difficult technical problem to solve. A scraper special for a towel is generally used for common towel printing, the scraper is heavy, the pressure of the scraper is high, the size penetrates through a plurality of meshes, and the printing size can fully penetrate to the bottom warp part from the surface of the towel due to the high pressure. However, for the towel product with the terry loops on the front side and the back side of the plain cloth, the terry loops are not arranged on the printed surface of the product, and the excessive slurry permeates into the surface of the plain cloth, so that the slurries with different colors are diffused all around under the action of pressure, and the printed patterns have many problems of color swimming, mutual permeation, color press, plate dislocation, blurring and the like, thereby affecting the unclear pattern of the product and reducing the grade of the product.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: aiming at the defects in the prior art, the printing method of the terry towel with the front plain cloth and the back terry is provided, and the printed pattern is clear and fine.

In order to solve the technical problems, the technical scheme of the invention is as follows:

a printing method of a terry towel with a front plain cloth and a back loop adopts a floating knife printing method, and comprises the following steps:

(1) color separation plate making: firstly, carrying out color separation and line pressing on a sample manuscript from a client, then carrying out ink-jet plate making, wherein the typesetting sequence is dark color first and light color later;

(2) printing: printing by a floating knife printing method, spreading slurry by a first knife, and uniformly spreading the slurry on a screen printing plate; scraping the pulp by a second knife, and lightly scraping and printing the pulp on the surface of the fabric; and small scrapers are used for the slurry spreading cutter and the slurry scraping cutter, the included angle between the slurry spreading cutter and the screen printing plate bearing surface is 58-62 degrees, and the included angle between the slurry scraping cutter and the screen printing plate bearing surface is 88-92 degrees.

As a preferable technical solution, the pre-treatment of the raw fabric includes: boiling and bleaching the grey cloth in an overflow machine at 95-100 ℃ for 50-65 min; then, washing twice, wherein the washing temperature is 70-80 ℃, and the washing time is 5-10 min; then carrying out acid washing for 10-20 min at 50-52 ℃, and carrying out water washing for 5-10 min again; finally softening the mixture at 40-42 ℃ for 15-25 min; and finally, discharging the cloth.

As an improved technical scheme, in the step (1), a polyester silk screen with the mesh size of more than 80 is selected for plate making, and the tension of the silk screen is 20-24N;

as an improved technical scheme, in the step (1), the resolution in the color separation is 180dpi or 360 dpi; and controlling the line pressing to be 1-2 lines (pixel).

As an improved technical scheme, in the step (2), the width of the rubber of the slurry spreading knife is 40-50 mm, and the hardness is 60-65 degrees; the width of the rubber of the scraping knife is 50-60 mm, and the hardness is 55-60 degrees.

As an improved technical scheme, in the step (2), the scraping speed during the pulp scraping is 1.0-1.5 m/min.

As an improved technical scheme, in the step (2), a pressure graduator of a slurry spreading knife is displayed to be 3-5 during slurry spreading; and the pressure graduator of the scraping knife is shown as-1 to-3 during scraping.

Due to the adoption of the technical scheme, the invention has the beneficial effects that:

the printing method of the terry towel with the front surface plain cloth and the back surface adopts a floating knife printing method, the pulp is spread by a first knife, and the pulp is uniformly spread on a screen printing plate; scraping the pulp by a second knife, and lightly scraping and printing the pulp on the surface of the fabric; small scrapers are used for the slurry spreading cutter and the slurry scraping cutter, an included angle of 58-62 degrees is formed between the slurry spreading cutter and the screen printing plate bearing surface, and an included angle of 88-92 degrees is formed between the slurry scraping cutter and the screen printing plate bearing surface; according to the invention, the first knife is used for spreading the paste, the second knife is used for scraping the paste, the printing is carried out on the surface of the plain cloth only once during printing, the scraping pressure is small, the paste is uniformly and properly scraped and printed on the surface of a product, the paste is not easy to spread all around, so that the printed patterns on the plain cloth are clearer, the color bleeding is less, the third color is not easy to appear, the offset is not easy to appear due to small pressure, and fine patterns such as fine lines, small letters, contrast colors and the like are more exquisite and have higher definition. And the scraper selects a small scraper, which is different from a printing scraper of a conventional towel, the slurry spreading knife and the screen printing plate bearing surface form a certain included angle, so that slurry can be favorably spread on the surface of the screen printing plate, the slurry scraping knife and the screen printing plate bearing surface form a right-angle included angle, the knife edge is straight during scraping printing, the pressure is small, and the pattern is clearer.

The small scrapers are used for the pulp spreading cutter and the pulp scraping cutter, the hardness is low, the pulp spreading and the pulp scraping are softer and more delicate, the pulp is not easy to diffuse all around, and the problems of color swimming, mutual permeation, color pressing, plate staggering, blurring and the like are not easy to occur.

The pressure of a slurry spreading knife is 3-5 during slurry spreading; the pressure of the scraping knife is-1 to-3 during scraping; the pressure of two doctor blades of the common towel printing is generally adjusted to be-5 to-8 according to the thickness of the fabric, and the pressure of the spreading blade and the doctor blades is small, so that the sizing agent is uniformly spread on the surface of the grey cloth, and the pattern printing is clearer.

The tension of the screen printing plate printed by the floating knife is increased from 16-18N of a common towel to 20-24N, so that the uniform pulp spreading is facilitated.

The resolution ratio of the invention is 180dpi or 360dpi when color separation; during line pressing, the line pressing is controlled to be 1-2 lines, and the line pressing is more uniform. The plate-making selects 80-mesh terylene silk screen, the tension of the silk screen reaches 22N, the gluing is uniform, and the exposure is sufficient.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view showing the shape of a wedge pattern for the clarity of a printed pattern according to the present invention.

Detailed Description

The invention is further illustrated below with reference to the figures and examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.