阅读说明：本技术 低弹涤纶印花涂银布无折痕工艺 (Crease-free process for low-elasticity polyester printing silver-coated cloth ) 是由 李华桥 于 2019-11-29 设计创作，主要内容包括：本发明涉及一种低弹涤纶印花涂银布无折痕工艺,本发明解决现有技术的问题,其技术方案要点是,其特征在于：包括以下步骤,步骤一,溢流染色：选用100%涤纶面料为基布,按指定颜色染色为标准样色,步骤二,定型整理：以染色基布为基础进行布面平整度定型整理,步骤三,轧光整理：将定型整理后的基布进行单辊轧光处理,步骤四,涂层整理：采用丙烯酸酯浆胶在基布的轧光面进行涂层。(The invention relates to a crease-free process for printing silver-coated cloth on low-elasticity terylene, which solves the problems of the prior art and has the key points of the technical scheme that the crease-free process is characterized in that: the method comprises the following steps of firstly, overflow dyeing: selecting 100% polyester fabric as base cloth, dyeing according to specified color to obtain standard sample color, and performing sizing finishing: and (3) carrying out fabric surface flatness shaping finishing on the basis of the dyed base fabric, and carrying out calendering finishing: and (3) carrying out single-roller calendering treatment on the base fabric after the sizing and finishing, and carrying out coating finishing: and coating the calendered surface of the base fabric by using acrylate sizing.)

1. A low-elasticity terylene printing silver-coated cloth crease-free process is characterized in that: comprises the following steps of (a) carrying out,

step one, overflow dyeing: selecting 100 percent of polyester fabric as base cloth, dyeing the base cloth into standard sample color according to specified color,

step two, shaping and finishing: the cloth surface flatness shaping and finishing are carried out on the basis of dyeing base cloth,

step three, calendering and finishing: the base cloth after the shaping and finishing is processed by single-roller calendering,

step four, coating finishing: and coating the calendered surface of the base fabric by using acrylate sizing.

2. The low-elasticity polyester printed silver-coated cloth crease-free process according to claim 1, characterized in that: in the first step, 100% of terylene fabric is selected as base cloth, and 5 parts of disperse dye, 2 parts of leveling agent and 1 part of glacial acetic acid are adopted to dye into standard sample color according to specified color under the conditions of 125-plus-135 ℃ high temperature by mass.

3. The low-elasticity polyester printed silver-coated cloth crease-free process according to claim 1, characterized in that: in the second step, the cloth surface flatness is shaped and finished on the basis of the dyed base cloth, wherein the shaping and finishing temperature is 205-; the vehicle speed is 38-42 yards/min; the tightness of the cloth surface is overfed by 1.5 percent; the baking time is 31-33 seconds, and the sizing finishing auxiliary agent comprises 5 parts of HH-651 waterproofing agent, 2 parts of HX-80 resin and 0.8 part of catalyst.

4. The low-elasticity polyester printed silver-coated cloth crease-free process according to claim 1, characterized in that: in the third step, a crease-free low-elasticity terylene printing silvered cloth calendering device is adopted to calender at a calendering temperature of 160 ℃ and a calendering pressure of 100 tons in a mode of 50 m/min of the vehicle speed, the crease-free low-elasticity terylene printing silvered cloth calendering device comprises a calender and a carding device arranged in front of the calender, the carding device comprises a carding frame, the carding frame is arranged above a cloth transmission roller in a spanning mode, the carding frame is downwards aligned to the cloth and is provided with at least one carding brush, an electrostatic field generator and a rotary compression roller, the upper part of each carding brush is respectively connected with the carding frame through a fixed table, carding teeth at the bottom end of the carding brush are abutted against the cloth, the electrostatic field generator is arranged between the carding brush and the rotary compression roller, the bottom end of the electrostatic field generator is arranged above the cloth, and the rotary compression roller is arranged between the electrostatic field generator and the calender, the bottom end of the rotary press roller is abutted to the cloth.

5. The low-elasticity polyester printed silver-coated cloth crease-free process according to claim 1, characterized in that: in the fourth step, 50 parts of super soft Delia XF-3388 acrylic acid sizing agent, 45 parts of 2835 acrylic acid soft sizing agent, 3 parts of cross-linking agent and 2 parts of anti-sticking agent are adopted to prepare the acrylic acid sizing agent to coat on the rolling surface of the base cloth, and the coating baking temperature is 173-; the time is 23-27 seconds.

6. The low-elasticity polyester printed silver-coated cloth crease-free process according to claim 4, characterized in that: the carding machine frame is further fixedly provided with a hot air outlet machine and an exhaust fan, and air ports of the hot air outlet machine and the exhaust fan are aligned with the cloth.

7. The low-elasticity polyester printed silver-coated cloth crease-free process according to claim 6, characterized in that: an air outlet switching port is formed in the hot air outlet machine in a matched mode, a plurality of air guide pipes are correspondingly arranged on the hot air outlet machine, the output end of each air guide pipe penetrates through the fixing table and is aligned with the cloth, and the input end of each air guide pipe is connected with the air outlet switching port in the hot air outlet machine through a flexible connecting pipe; set an convulsions switching mouth on the air exhauster, an air exhauster correspondence has a plurality of exhaust column, and the output of every exhaust column all runs through the fixed station aim at the cloth, the input of every exhaust column all through flexible connecting pipe with the convulsions switching mouth on the fan of taking out is connected.

8. The low-elasticity polyester printed silver-coated cloth crease-free process according to claim 7, characterized in that: the carding machine is characterized in that two carding brushes are arranged on the carding machine frame, carding teeth of the two carding brushes are staggered front and back, each carding brush corresponds to one fixed station, the fixed stations are cylindrical, each fixed station corresponds to one carding brush and is provided with one carding brush connecting hole and a plurality of through holes for the air guide pipe or the exhaust pipe to penetrate through, the side edge of each carding brush connecting hole is provided with one screwing screw hole, each screwing screw hole is matched with one screwing bolt for fixing the upper portion of the carding brush, the lower portion of each carding brush is provided with oblique teeth, the included angle range of the oblique teeth and cloth is 30-75 degrees, the air guide pipe through holes are uniformly distributed around the carding brush connecting holes, and the air guide pipe or the exhaust pipe and the through holes are in close fit.

9. The low-elasticity polyester printed silver-coated cloth crease-free process according to claim 4, characterized in that: the two ends of the rotary compression roller are connected with the carding machine frame through a spring rod respectively, a guide pipe used for limiting the movement direction of the spring rod is sleeved outside the spring rod, the spring rod comprises an upper rod and a lower rod, the upper rod is connected with the lower rod through a spring, the upper rod is fixedly connected with the carding machine frame, a rotary hole is formed in the top end of the lower rod, the two ends of the rotary compression roller are connected with the rotary hole, and the rotary compression roller is in parallel butt joint with the surface of the cloth.

10. The low-elasticity polyester printed silver-coated cloth crease-free process according to claim 9, characterized in that: a conductor connecting block is fixed on the carding machine frame, the rotary pressing roller is made of conductor materials, at least one end of the rotary pressing roller is connected with the conductor connecting block through a wire, and the distance between the rotary pressing roller and the electrostatic field generator is larger than the maximum influence distance of the electrostatic field generator; the electrostatic field generator is connected to the card frame by a bolt bar.

Technical Field

The invention belongs to a crease-free process for printed silver-coated cloth, and relates to a crease-free process for low-elasticity terylene printed silver-coated cloth.

Background

With the increasing requirements of the life-face market on the terylene low-elasticity silver adhesive tape, no crease impression is required for folding the fabric surface after the terylene fabric is made into the umbrella, and for a long time, the terylene fabric has thicker yarn and lower density when being woven: when the yarn hole of the fabric is large, the coating penetrates through the hole black and the curing amount of glue liquid under high-temperature baking is large, so that the hardness of the finished fabric is relatively increased when the finished fabric is folded, and the rebound resilience is reduced after the finished fabric is folded, so that the phenomenon of crease is easily caused.

Disclosure of Invention

The invention solves the problem of poor crease-free processing effect of the silver-coated cloth in the prior art, and provides a crease-free process for the low-elasticity polyester printing silver-coated cloth.

The technical scheme adopted by the invention for solving the technical problems is as follows: a low-elasticity terylene printed silver-coated cloth crease-free process comprises the following steps,

step one, overflow dyeing: selecting 100 percent of polyester fabric as base cloth, dyeing the base cloth into standard sample color according to specified color,

step two, shaping and finishing: the cloth surface flatness shaping and finishing are carried out on the basis of dyeing base cloth,

step three, calendering and finishing: the base cloth after the shaping and finishing is processed by single-roller calendering,

step four, coating finishing: and coating the calendered surface of the base fabric by using acrylate sizing.

On the basis of the prior art, the invention adds the step of calendering and finishing, and through process improvement, the step of finishing before rolling is added to the low-elasticity polyester fabric before coating, so that the penetration of glue solution is reduced, and the crease phenomenon is greatly reduced after the south uniform number of coating layers is divided.

Preferably, in the first step, 100% of terylene fabric is selected as base cloth, and 5 parts of disperse dye, 2 parts of leveling agent and 1 part of glacial acetic acid are adopted to dye according to specified color at high temperature of 125-135 ℃ to obtain standard sample color according to the quality theory.

Preferably, in the second step, the cloth surface flatness setting finishing is carried out on the basis of the dyed base cloth, wherein the setting finishing temperature is 205-215 ℃; the vehicle speed is 38-42 yards/min; the tightness of the cloth surface is overfed by 1.5 percent; the baking time is 31-33 seconds, and the sizing finishing auxiliary agent comprises 5 parts of HH-651 waterproofing agent, 2 parts of HX-80 resin and 0.8 part of catalyst.

Preferably, in the third step, a crease-free low-elasticity terylene printing silvered cloth calendering device is adopted to calender at a calendering temperature of 160 ℃, the calendering pressure of 100 tons and the vehicle speed of 50 m/min, the crease-free low-elasticity terylene printing silvered cloth calendering device comprises a calender and a carding device arranged in front of the calender, the carding device comprises a carding frame, the carding frame is arranged above the cloth conveying roller in a straddling manner, the carding frame is downwards aligned with the cloth and is provided with at least one carding brush, an electrostatic field generator and a rotary press roller, the upper part of each carding brush is respectively connected with the carding frame through a fixed table, carding teeth at the bottom end of each carding brush are abutted against the cloth, the electrostatic field generator is arranged between the carding brush and the rotary press roller, and the bottom end of the electrostatic field generator is positioned above the cloth, the rotary compression roller is positioned between the electrostatic field generator and the calender, and the bottom end of the rotary compression roller is abutted to the cloth. The invention has the main advantages that the processing is carried out on the slender fibers on the surface of the cloth in the calendering process of the crease-free low-elasticity polyester printing silvered cloth, the finished product quality of the crease-free low-elasticity polyester printing silvered cloth is improved, the crease-free low-elasticity polyester printing silvered cloth has fine long wool and long fibers on the surface, and the quality of the crease-free low-elasticity polyester printing silvered cloth finished product can be seriously influenced if the slender fibers are not processed before the calendering process, therefore, the processing process mainly comprises the sequence of contact carding, electrostatic adsorption stretching and rotary roller pressing and smoothing, the slender fibers are primarily carded by using a carding brush firstly, the carding process aims at the problems of knotting and the like and finishes the smoothing work of electrostatic field, and the adsorption method is adopted secondly, the method comprises the following steps of adsorbing the slender fibers, enabling the slender fibers to be gradually vertical and all face to the electrostatic field generator, enabling the slender fibers to be gradually vertical from a flat position due to forward transmission of cloth, then enabling the slender fibers to incline backwards uniformly, and further flattening the slender fibers by a rotary pressing roller after the slender fibers come out of the electrostatic field generator. The design of the invention can lay the slender fiber according to the preset direction, reduce the permeation of glue solution, greatly reduce the phenomenon of crease after the number of coatings is uniformly distributed, and greatly improve the surface quality of the crease-free low-elasticity terylene printing silver-coated cloth compared with the prior art.

Preferably, in the fourth step, 50 parts of super soft XF-3388 acrylic acid sizing agent, 45 parts of 2835 acrylic acid soft sizing agent, 3 parts of cross-linking agent and 2 parts of anti-sticking agent are adopted to prepare the acrylic acid sizing agent to coat on the calendering surface of the base cloth, and the coating baking temperature is 173-; the time is 23-27 seconds. Preparing a new aqueous softening agent: through the research and development of super waterborne softener and the preparation auxiliary agent of analysis to product performance, improved the resistant folding nature of yarn, the research and development and the use of layer wear-resisting resistant folding agent: through the co-operation with an auxiliary agent factory, a high-modulus folding wear-resistant agent Xs =3623 is developed, the wear resistance and scratch resistance of the silver surface are obviously improved, the fastness of the silver surface is increased, and the innovation of a coating process formula is as follows: the primer adopts 35C flexible glue 3588 ultra-flexible glue for matching use, and the high elastic modulus of the ultra-flexible glue is utilized to reduce the phenomenon of crease mark: the surface adhesive adopts 4 percent of folding-resistant and adhesion-resistant friction agent Xs-3623, and by using the process provided by the invention, the folding line condition is compared under strong light after the umbrella surface is folded for 50 times, no obvious folding mark image exists after the silver surface is smoothed, and the folding resilience is obviously superior to that of the conventional low-elasticity terylene silver adhesive cloth product.

Preferably, a hot air outlet machine and an exhaust fan are further fixed on the carding machine frame, and air ports of the hot air outlet machine and the exhaust fan are aligned with the cloth. The use of hair-dryer is used for blowing off the floating dust, the cooperation is combed the brush and is blown away the long and thin fibre of knoing, the subsequent processing of being convenient for, the use of air exhauster is to take off floating dust, and earlier one step is vertical with all long and thin fibre twitches, the pulling force of air exhauster is great, so can be vertical with all long and thin fibre, improve follow-up electrostatic field generator's adsorption effect, but the air exhauster has long and thin fibre to have gone out the problem that the adsorption plane can slope at random at the in-process of using, so can not replace electrostatic field generator.

Preferably, an air outlet adapter is arranged on the hot air outlet machine in a matching manner, a plurality of air guide pipes are correspondingly arranged on the hot air outlet machine, the output end of each air guide pipe penetrates through the fixed platform and is aligned with the cloth, and the input end of each air guide pipe is connected with the air outlet adapter on the hot air outlet machine through a flexible connecting pipe; set an convulsions switching mouth on the air exhauster, an air exhauster correspondence has a plurality of exhaust column, and the output of every exhaust column all runs through the fixed station aim at the cloth, the input of every exhaust column all through flexible connecting pipe with the convulsions switching mouth on the fan of taking out is connected.

Preferably, the carding machine is characterized in that two carding brushes are arranged on the carding machine frame, carding teeth of the two carding brushes are staggered front and back, each carding brush corresponds to one fixed station, the fixed stations are cylindrical, each fixed station corresponds to one carding brush and is provided with one carding brush connecting hole and a plurality of through holes for the air guide pipe or the exhaust pipe to penetrate through, the side edge of each carding brush connecting hole is provided with one screwing screw hole, each screwing screw hole is matched with one screwing bolt for fixing the upper portion of the carding brush, the lower portion of each carding brush is provided with oblique teeth, the included angle between each oblique tooth and the cloth ranges from 30 degrees to 75 degrees, the air guide pipe through holes are uniformly distributed around the carding brush connecting holes, and the air guide pipes or the exhaust pipes are tightly matched with the through holes.

Preferably, two ends of the rotary compression roller are respectively connected with the carding machine frame through a spring rod, a guide pipe used for limiting the movement direction of the spring rod is sleeved outside the spring rod, the spring rod comprises an upper rod and a lower rod, the upper rod is connected with the lower rod through a spring, the upper rod is fixedly connected with the carding machine frame, a rotary hole is formed in the top end of the lower rod, two ends of the rotary compression roller are connected with the rotary hole, and the rotary compression roller is abutted to the surface of the fabric in parallel. The rotary press roller rotates and is connected with the cloth through elasticity, and the smoothness of the surface of the cloth is kept in the connection process.

Preferably, a conductor connecting block is fixed on the carding machine frame, the rotary pressing roller is made of a conductor material, at least one end of the rotary pressing roller is connected with the conductor connecting block through a wire, the distance between the rotary pressing roller and the electrostatic field generator is larger than the maximum influence distance of the electrostatic field generator, and the electrostatic field generator is connected with the carding machine frame through a bolt rod. The design is to remove static electricity in the contact process and prevent the problem of continuous action caused by static electricity after pressing, and when the spherical static electricity generator is adopted, the distance between the spherical static electricity generator and the carding machine frame can be adjusted, so that the static electricity adsorption effect of the invention can be automatically adjusted.

The substantial effects of the invention are as follows: by using the process provided by the invention, the folding line condition is compared under strong light after the umbrella surface is folded for 50 times, no obvious folding line image exists after the silver surface is smoothed, and the folding resilience is obviously superior to that of the conventional low-elasticity terylene silver adhesive cloth product.

Drawings

FIG. 1 is a schematic flow diagram of the present invention;

FIG. 2 is a schematic overall view of the calender portion of the present invention;

FIG. 3 is a schematic view of a carding machine of the present invention;

FIG. 4 is an enlarged schematic view of a carding machine of the present invention;

in the figure: 1. carding device, 2, calender, 3, hot air outlet machine, 31, air guide pipe, 4, exhaust fan, 41, exhaust pipe, 5, fixing table, 51, tightening bolt, 6, electrostatic field generator, 61, bolt rod, 7, rotary press roller, 71, upper rod, 72, lower rod, 73, conductor connecting block, 10, carding machine frame, 11, cloth, 12 and slender fiber.

Detailed Description

The technical solution of the present invention will be further specifically described below by way of specific examples.