CN113026386B - Garment fabric dyeing and finishing process - Google Patents
Garment fabric dyeing and finishing process Download PDFInfo
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- CN113026386B CN113026386B CN202110357930.2A CN202110357930A CN113026386B CN 113026386 B CN113026386 B CN 113026386B CN 202110357930 A CN202110357930 A CN 202110357930A CN 113026386 B CN113026386 B CN 113026386B
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- grey cloth
- drying roller
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
- D06B1/02—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by spraying or projecting
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
- D06B15/08—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours by scraping
- D06B15/085—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours by scraping by contact with the textile material
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
- D06B15/09—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours by jets of gases
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/445—Use of auxiliary substances before, during or after dyeing or printing
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
- D06P1/5207—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- D06P1/5214—Polymers of unsaturated compounds containing no COOH groups or functional derivatives thereof
- D06P1/5221—Polymers of unsaturated hydrocarbons, e.g. polystyrene polyalkylene
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/96—Dyeing characterised by a short bath ratio
Abstract
The invention belongs to the technical field of garment dyeing and finishing processing, and particularly relates to a garment fabric dyeing and finishing process, which comprises the following steps: s1: pretreating the grey cloth to be treated, and removing dust, impurities, fluff and oiling agents existing on the grey cloth; s2: on the basis of the step S1, dyeing the pre-treated grey cloth to finish the treatment of the grey cloth, and obtaining a semi-finished fabric; in the dyeing process, atomizing liquid dyes on two sides of the grey cloth by using spray guns, and spraying the liquid dyes onto the grey cloth, wherein the spray guns on the two sides of the grey cloth are symmetrically distributed; s3: on the basis of the step S2, feeding the semi-finished fabric into a dryer, and drying the semi-finished fabric at high temperature to obtain a dried finished fabric; the leavening method is simple and convenient to operate, and the prepared fabric has good color fastness and color depth, meanwhile, the fabric has sufficient liquid absorption and good shrinkage resistance.
Description
Technical Field
The invention belongs to the technical field of garment dyeing and finishing processing, and particularly relates to a garment fabric dyeing and finishing process.
Background
The vast majority of the garment fabric is textile fabric, namely various fabrics woven by warps and wefts; at present, the clothing technology industry is developed day by day, the requirements of people on the quality of clothing are improved, the highest quality of clothing is continuously pursued, so that higher requirements are also put forward on clothing fabric, the clothing fabric is also made strictly, and the details are more emphasized; dyeing and finishing is a series of processes of mechanical and chemical treatments for various textiles. The method comprises the steps of pretreatment, dyeing and finishing, wherein the pretreatment process mainly removes impurities on the textile material, the dyeing is a process of enabling the textile material to have a certain color through the physical or chemical combination of dyes and fibers, and the finishing is a process of improving the luster and the flexibility of the fabric through mechanical or chemical action, so that the physical and chemical properties of the fabric are improved. Meanwhile, the existing garment materials are easy to have the problems of insufficient liquid absorption of the materials, insufficient shrink-proof and crease-resistant performances, unsatisfactory dyeing effect and the like in the dyeing and finishing process, and the effect of the treated materials is influenced.
Disclosure of Invention
The invention provides a garment fabric dyeing and finishing process, which aims to make up for the defects of the prior art, ensure sufficient fabric imbibition, improve the anti-shrinkage performance of the fabric, improve the effect of the fabric after dyeing and finishing, and improve the color fastness and the color depth of the fabric after dyeing and finishing.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a garment material dyeing and finishing process, which comprises the following steps:
s1: pretreating the grey cloth to be treated, and removing dust, impurities, fluff and oiling agents existing on the grey cloth; the grey cloth pretreatment process comprises singeing, desizing, scouring, bleaching and mercerizing;
s2: on the basis of the step S1, dyeing the pre-treated grey cloth to finish the treatment of the grey cloth, and obtaining a semi-finished fabric; in the dyeing process, atomizing liquid dyes on two sides of the grey cloth by using spray guns, and spraying the liquid dyes onto the grey cloth, wherein the spray guns on the two sides of the grey cloth are symmetrically distributed;
s3: on the basis of the step S2, feeding the semi-finished fabric into a dryer, and drying the semi-finished fabric at high temperature to obtain a dried finished fabric; the drying temperature of the semi-finished fabric is 120-;
the dye sprayed out by the spray gun in the step S2 is subjected to temperature rise treatment, and the temperature of the dye sprayed out by the spray gun is 45-50 ℃; a binder is added into the liquid dye for dyeing the grey cloth in the step S2; the adhesive is a cationic adhesive, and the addition amount of the adhesive is 1.3-1.65% vol;
when the dyeing process is in work, after the pretreatment of the grey cloth is completed, dust, impurities, fluff and oiling agents existing on the surface of the grey cloth are removed, so that the dyeing effect of the fabric is prevented from being influenced in the subsequent dyeing process; then, the dye is atomized by a spray gun and then sprayed into the fabric, so that at the moment when the dye contacts the fabric, the dye is impacted on the surface of the fabric to promote the dye to permeate towards the inside of the fabric and improve the dyeing and finishing treatment effect, meanwhile, after the dye permeates into a deeper part of the fabric, the color depth of the dyed fabric is increased, the dyeing and finishing treatment effect is improved, meanwhile, in the using process, the dye with the temperature of 45-50 ℃ is used for dyeing and finishing treatment, the activity of the dye in the dyeing and finishing process can be improved, the combination stability degree of the dye and fibers in the fabric is promoted, the possibility of decolorization in the daily using process of the fabric after the dyeing and finishing treatment is reduced or avoided, the performance of the dyed fabric is improved, meanwhile, in the using process, the cationic adhesive is added into the dye, the combination strength between the dye and the fibers can be improved under the action of the adhesive, the possibility of decolorization in the daily use process after the fabric is dyed and finished is reduced, meanwhile, in the use process, the dye is heated, the mobility of the cation adhesive added into the dye can be improved to a certain extent, the problem that the dye is poor in mobility due to too low temperature is solved, the atomization effect is poor when the dye is sprayed out from a spray gun, the dyeing effect on the fabric is influenced, meanwhile, the relatively high temperature promotes the penetration speed and the penetration depth of the cation adhesive added into the dye into the yarns forming the fabric when the dye is used, so that the bonding strength of the adhesive and the yarns forming the fabric is improved, the bonding strength between the dye and the fabric is improved, the dyeing and finishing effect of the fabric is improved, meanwhile, the spray guns are symmetrically arranged, so that the dyes sprayed out from the opposite spray guns can impact each other on two sides of the fabric, the speed of dye permeating into the fabric and the depth of permeation are improved, meanwhile, in the using process, the spray guns on the two sides of the fabric are symmetrically arranged, so that the impact effect of the dye sprayed out of the spray guns on the two sides of the fabric on the fabric is offset, and the fabric is prevented from deforming under the impact effect of the dye sprayed out of the spray guns, so that the fabric has larger shrinkage in the daily using process after finishing dyeing and finishing treatment, and the normal use of a product prepared by using the fabric is influenced.
Preferably, microspheres are added into the liquid dye used in the step S2; the addition amount of the microspheres is 0.9-1.13% vol; the microsphere is prepared by grinding an ethylene-vinyl acetate copolymer material, namely EVA hot melt adhesive, and the mesh number of the ground particles is 120-140 meshes, namely the average particle size of the particles is 0.104-0.124 mm;
when the dyeing and finishing machine works, the microspheres added into the dye are sprayed out from the spray gun opposite to the dye, the microspheres wrapped in the dye contact with the yarn in the fabric to achieve the effect of dyeing and finishing the fabric, the microspheres impact the yarn in the fabric, so that the local area of the fabric impacted by the microspheres is in a loose state, dye permeation is facilitated, the effect of dyeing and finishing the fabric is improved, meanwhile, the yarn on the fabric is impacted by the microspheres, the yarn is relatively loose, the binding force between the dye and the fabric can be effectively improved, the color fastness of the fabric in the subsequent use process is improved, the possibility of fading of the fabric is reduced, meanwhile, in the processing process, due to the relatively small volume of the microspheres, the microspheres are embedded into yarn gaps on the fabric after the microspheres impact on the fabric, and when the dryer dries the fabric after dyeing and finishing is subjected to high temperature, the microspheres are melted, and the infiltration enters into in the yarn on the surface fabric and in the gap between the yarn, with in the surface fabric fine hair that produces in the dyeing and finishing processing on the yarn bond, make fine hair attached to the yarn surface on the surface fabric, improve the finish on the surface fabric surface after the dyeing and finishing processing, simultaneously, through the effect of microballon, can promote the structural strength of surface fabric to a certain extent, improve the surface fabric to the bearing capacity of external effort, prevent that the surface fabric from appearing tearing easily, lead to the surface fabric damage, influence the life of surface fabric.
Preferably, the microspheres are subjected to surface treatment before being added to the dye; after a layer of cationic adhesive is uniformly sprayed on the surface of the microsphere, putting the microsphere into a container; the container is filled with chopped fibers, and the length of the chopped fibers is 0.02-0.03 mm; after the microspheres are put into a container, blowing hot air into the container, and stirring the microspheres and the chopped fibers; the material of the short fiber is consistent with that of the semi-finished fabric to be treated;
when in use, the cationic adhesive is used for adhering a layer of chopped fibers on the surface of the microsphere, so that the roughness of the surface of the microsphere can be effectively improved, further, when the microspheres are mixed into the dye and impact the yarns on the surface of the fabric, the friction force between the microspheres and the yarns on the surface of the fabric is increased, the possibility that the microspheres are embedded into gaps among the yarns on the fabric after impact is increased, thereby improving the quantity of the microspheres remained on the fabric after the fabric is processed, further improving the effect of the fabric after being dried, and simultaneously, in the using process, the hot air blown into the container is used for stirring the microspheres and the chopped fibers, so that the problems of insufficient stirring or microsphere aggregation in the stirring process existing in the mechanical stirring process are solved, meanwhile, hot air is used for stirring, so that the cationic adhesive on the surfaces of the microspheres can be dried during stirring.
Preferably, in the step S2, before the grey cloth is dyed, the grey cloth is charged by using an electrostatic generator; when the grey cloth is charged, the grey cloth passes through and contacts a conductive flat plate electrically connected with a positive electrode of the electrostatic generator, and then reaches the area where the spray gun is located; a negative electrode on the electrostatic generator, which is opposite to the positive electrode, is connected to the spray gun; the positive electrode is electrically connected with the conductive flat plate, so that the conductive flat plate is positively charged, and the positive charge is transferred to the grey cloth passing through and contacting the conductive flat plate; the negative electrode is electrically connected with the spray gun to enable the spray gun to be charged with negative charges; the dye sprayed by the spray gun in an atomized manner is negatively charged;
the during operation, through the effect of electrostatic generator, make the surface fabric when the spray gun region, carry the positive charge on the surface fabric, spray gun spun dyestuff carries the negative charge, after dyestuff and surface fabric contact, under the mutual attraction effect between positive charge and negative charge, can promote the dyestuff to permeate towards the surface fabric is inside, improve the bonding strength between dyestuff and the surface fabric, improve the colouring material degree of surface fabric, and simultaneously, along with the increase of the degree of depth of dyestuff towards the inside infiltration of surface fabric, can effectually promote the surface fabric and handle the color depth after the completion, improve the treatment effect of surface fabric, and simultaneously, under the mutual attraction effect between the positive charge that carries on the negative charge and the surface fabric through the dyestuff, can reduce the scattering of spun dyestuff in the spray gun, reduce the dyestuff loss, and reduce production cost.
Preferably, the dryer includes a main body; the main body is hollow, and a feed inlet and a discharge outlet are formed in the left side wall and the right side wall of the main body along the Y-axis direction; the feed inlet and the discharge outlet are mirror images; a first guide roller is rotatably mounted in the main body, and two ends of the first guide roller are rotatably mounted on the inner wall of the main body opposite to each other along the X-axis direction; the guide roller is positioned in the main body and close to the feed inlet; a second guide roller is rotatably mounted in the main body, and two ends of the second guide roller are rotatably mounted on the inner wall of the main body opposite to each other along the X-axis direction; the guide roller is positioned at the position close to the discharge hole in the main body;
a first drying roller and a second drying roller are rotatably arranged in the main body and are positioned at the same height; the first drying roller and the second drying roller have the same structure; the first drying roller is positioned in the main body and close to the second guide roller, and the central line of the first drying roller is parallel to the central line of the second guide roller; the guide roller is positioned between the first drying roller and the discharge hole; the second drying roller is positioned in the main body and close to the first guide roller, and the central line of the second drying roller is parallel to the central line of the first guide roller; the first guide roller is positioned between the second drying roller and the feeding hole;
a first motor and a second motor are fixedly arranged on the side surface of the outer side of the main body, which is vertical to the X-axis direction; a first rotating shaft is fixedly arranged on the first drying roller; the first rotating shaft extends out of the main body, and the side face of the first rotating shaft is a side face which is perpendicular to the X-axis direction on the outer side of the main body; the first motor is connected with the first rotating shaft through a transmission belt; a second rotating shaft is fixedly arranged on the second drying roller; the second rotating shaft extends out of the main body, and the side face of the second rotating shaft is a side face which is perpendicular to the X-axis direction on the outer side of the main body; the second motor is connected with the second rotating shaft through a transmission belt;
a conveying hole is formed in the first drying roller and extends into the first rotating shaft; a pipeline is fixedly arranged in the delivery hole in the first rotating shaft through a rotating joint; the pipeline is connected to an air outlet of an external hot air blower; the surface of the first drying roller is provided with an installation groove; the length direction of the mounting groove is the same as that of the first drying roller; the mounting grooves are distributed on the surface of the first drying roller uniformly; a communicating cavity is formed in the first drying roller; the communication cavities are multiple in number and correspond to the mounting grooves one by one; the distance between the communicating cavity and the central line of the first drying roller is smaller than the distance between the mounting groove and the central line of the first drying roller; a conducting hole is formed in the first drying roller, and two ends of the conducting hole are respectively communicated with the conveying hole and the communicating cavity; a connecting hole is formed in the first drying roller; one end of the connecting hole is connected into the communicating cavity and keeps conducting; the other end of the connecting hole is connected to the bottom surface of the mounting groove; a scraping roller is rotatably arranged in the mounting groove; a fixed rod is fixedly arranged in the mounting groove; the scraping roller is rotatably arranged on the fixed rod; gaps are reserved between the scraping roller and the bottom surface and the side wall of the mounting groove; one end of the scraping roller, which is far away from the bottom surface of the mounting groove, extends out of the mounting groove; the part of the scraping roller, which is positioned outside the mounting groove, is contacted with the semi-finished fabric passing through the main body;
when the dyeing machine works, after the dyed fabric enters the main body from the feeding port, the fabric is acted by the first guide roller to change the advancing direction of the fabric, and then the fabric contacts the first drying roller and the second drying roller, changes the advancing direction again at the second guide roller and leaves the inside of the main body from the discharging port; meanwhile, when the dryer normally operates, hot air generated by an external hot air blower is conveyed into conveying holes in the first drying roller and the second drying roller through a pipeline, meanwhile, when the dryer normally operates, the first motor and the second motor keep an operating state, the first motor drives the first rotating shaft to rotate through a driving belt, the second motor drives the second rotating shaft to rotate through the driving belt, then the first drying roller keeps a rotating state under the action of the first rotating shaft, the second drying roller keeps a rotating state under the action of the second rotating shaft, meanwhile, the first drying roller and the second drying roller are respectively positioned on two sides of the fabric, the tangential direction of the rotating directions of the first drying roller and the second drying roller is opposite to the advancing direction of the fabric, and the linear speed of the rotating directions of the first drying roller and the second drying roller is greater than the advancing speed of the fabric; meanwhile, in the rotating process of the first drying roller, the scraping roller directly contacts the fabric, the surface of the first drying roller does not directly contact the fabric, meanwhile, in the rotating process, hot air conveyed into the conveying hole enters the communicating cavity through the conducting hole and then enters the mounting groove through the connecting hole, and is blown out to the surface of the fabric from a gap between the side wall of the mounting groove and the scraping roller, meanwhile, in the drying process of the fabric, the scraping roller mounted in the mounting groove is under the action of the hot air blown out from the connecting hole, the temperature of the scraping roller is increased, after contacting the fabric, microspheres embedded in the fabric are melted, and the melted microspheres penetrate into the fabric through the extrusion effect of the scraping roller, meanwhile, in the drying process, the hot air blown out from the connecting hole can be prevented from directly impacting the fabric through the blocking effect of the scraping roller on the connecting hole, after hot-blast impact the surface fabric on, the microballon impact of embedding in the surface fabric drops, causes the microballon quantity in the surface fabric less, influences the treatment effect of surface fabric, simultaneously, at the stoving in-process, through the rotation effect of scraping the relative first stoving roller of roller, can reduce the surface fabric and receive frictional force, reduces the wearing and tearing that the surface fabric received, prevents that the wearing and tearing that the surface fabric received at the stoving in-process are too big, influences the performance and the life of surface fabric.
Preferably, a movable plate is installed in the communication cavity; the lower end of a fixed rod in the mounting groove extends into the communicating cavity, and the lower end of the fixed rod is fixedly connected to the upper surface of the movable plate; a spring is arranged in the communication cavity; one end of the spring is fixedly arranged on the bottom surface of the communicating cavity, and the other end of the spring is fixedly arranged on the lower surface of the movable plate; the fixed rod moves up and down in the mounting groove under the action of the spring; the upper surface of the movable plate is fixedly provided with a block; when the movable plate contacts the top surface in the communicating cavity, the blocking block is inserted into the connecting hole;
the surface of the scraping roller is provided with an arc groove; the length direction of the arc groove is the same as that of the strickling roller; the arc grooves are distributed on the surface of the leveling roller uniformly;
when the hot air blowing device works, in the using process, when the scraping roller rotates along with the first drying roller and is not in contact with the fabric, the scraping roller cannot move towards the mounting groove under the extrusion action force of the fabric, meanwhile, under the action of the spring in the communicating cavity, the scraping roller protrudes outwards from the mounting groove, the movable plate in the communicating cavity is tightly attached to the top surface in the communicating cavity, meanwhile, when the movable plate is tightly attached to the top surface in the communicating cavity, the blocking block on the movable plate is inserted into the connecting hole to block the connecting relation between the communicating cavity and the mounting groove, the hot air in the communicating cavity is prevented from entering the mounting groove, then the hot air in the communicating cavity is prevented from escaping from the mounting groove which is never rotated to be close to the fabric, the utilization efficiency of the hot air input from the outside is reduced, meanwhile, the hot air input into the first drying roller escapes from the mounting groove, and the quantity of the hot air in the mounting groove in the fabric contact area on the first drying roller is easily insufficient, the drying effect on the fabric is influenced, meanwhile, after the mounting groove is close to the fabric, the fabric is in contact with the leveling roller, the leveling roller is extruded towards the inside of the mounting groove, and after the leveling roller moves, the movable plate in the communicating cavity synchronously moves to enable the blocking block on the movable plate to leave the connecting hole, so that hot air in the communicating cavity can enter the mounting groove through the connecting hole and be blown out; simultaneously, in the use, through the effect of strickleing the arc groove on the roller, can strike off the relative surface fabric pivoted in-process of roller at strickle, strike off adnexed too much dyestuff on the surface fabric, guarantee that the surface fabric surface is clean and tidy.
The invention has the following beneficial effects:
according to the garment fabric dyeing and finishing process, in the process of treating the fabric, the cationic adhesive and the microspheres made of the EVA hot melt adhesive are added into the dye, so that the bonding strength between the dye and the fabric can be effectively improved, the color fastness of the fabric in the using process is improved, meanwhile, the dye is sprayed out in a spray gun spraying mode, the dye and the microspheres in the dye impact the fabric, fibers on the fabric are locally loosened through impact, the dye is promoted to permeate into the fabric, the color depth of the fabric after dyeing is improved, and the dyeing effect of the fabric is improved.
2. According to the garment fabric dyeing and finishing process, the electrostatic generator is arranged, the fabric in the spraying area of the spray gun carries positive charges under the action of the shoulder belt generator, the dye sprayed out of the spray gun carries negative charges, after the positive charges and the negative charges are contacted, the combination between the dye and the fabric and the penetration of the dye into the fabric are promoted due to the mutual attraction between the positive charges and the negative charges, the color fastness and the color depth are improved, the dyeing effect of the fabric is improved, meanwhile, in the using process, the scattering of the dye sprayed out of the spray gun can be reduced through the mutual attraction between the positive charges and the negative charges, and the dye consumption is reduced.
Drawings
The invention will be further explained with reference to the drawings.
Fig. 1 is a schematic view of a dryer of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic view of a process for dyeing and finishing a fabric according to the present invention;
FIG. 4 is a diagram of the process steps of the present invention;
in the figure: the drying device comprises a main body 1, a feeding hole 11, a first guide roller 111, a discharging hole 12, a second guide roller 121, a first drying roller 3, a first motor 31, a mounting groove 32, a scraping roller 33, a fixing rod 331, an arc groove 332, a communication cavity 34, a connecting hole 341, a movable plate 35, a spring 351, a blocking block 352, a conducting hole 36, a conveying hole 37, a first rotating shaft 371, a second drying roller 4, a second motor 41, a spray gun 5, a negative electrode 51, a conductive flat plate 6, a positive electrode 61 and a semi-finished fabric 7.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 4, the garment material dyeing and finishing process of the present invention includes the following steps:
s1: pretreating the grey cloth to be treated, and removing dust, impurities, fluff and oiling agents existing on the grey cloth; the grey cloth pretreatment process comprises singeing, desizing, scouring, bleaching and mercerizing;
s2: on the basis of the step S1, dyeing the pre-treated grey cloth to finish the treatment of the grey cloth, and obtaining a semi-finished fabric 7; in the dyeing process, atomizing liquid dye on two sides of the grey cloth by using spray guns 5 and then spraying the liquid dye onto the grey cloth, wherein the spray guns 5 on the two sides of the grey cloth are symmetrically distributed;
s3: on the basis of the step S2, feeding the semi-finished fabric 7 into a dryer, and drying the semi-finished fabric 7 at a high temperature to obtain a dried finished fabric; the drying temperature of the semi-finished fabric 7 is 120-;
the dye sprayed out through the spray gun 5 in the step S2 is subjected to temperature rise treatment, and the temperature of the dye sprayed out through the spray gun 5 is 45-50 ℃; a binder is added into the liquid dye for dyeing the grey cloth in the step S2; the adhesive is a cationic adhesive and the amount of adhesive added is 1.3-1.65% vol.
When the dyeing process is in work, after the pretreatment of the grey cloth is completed, dust, impurities, fluff and oiling agents existing on the surface of the grey cloth are removed, so that the dyeing effect of the fabric 7 is prevented from being influenced in the subsequent dyeing process; then, the dye is atomized by the spray gun 5 and sprayed into the fabric 7, so that at the moment when the dye contacts the fabric 7, the dye is impacted on the surface of the fabric 7 to promote the dye to permeate towards the inside of the fabric 7, the dyeing and finishing treatment effect is improved, meanwhile, after the dye permeates into the deeper part of the fabric 7, the color depth of the dyed fabric 7 is increased, the dyeing effect is improved, meanwhile, in the using process, the dyeing and finishing treatment is carried out by using the dye with the temperature of 45-50 ℃, the activity of the dye in the dyeing and finishing process can be improved, the combination stability degree of the dye and fibers in the fabric 7 is promoted, the possibility of decolorization of the fabric 7 in the daily using process after the dyeing and finishing treatment is reduced or avoided, the performance of the dyed and finished fabric 7 is improved, meanwhile, in the using process, by adding a cation adhesive in the dye, under the action of the adhesive, the bonding strength between the dye and the fiber is improved, the possibility of decolorization in the daily use process after the dyeing and finishing treatment of the fabric 7 is reduced, meanwhile, in the use process, the dye is heated, the mobility of the cation adhesive added into the dye can be improved to a certain extent, the dye is prevented from being too low in temperature and poor in mobility, the atomization effect is poor when the dye is sprayed out from the spray gun 5, the dyeing effect on the fabric 7 is influenced, meanwhile, the relatively high temperature promotes the penetration speed and the penetration depth of the cation adhesive added into the dye into the yarns forming the fabric 7 when the cation adhesive is used, so that the bonding strength between the adhesive and the yarns forming the fabric 7 is improved, the bonding strength between the dye and the fabric 7 is improved, the dyeing and finishing treatment effect of the fabric 7 is improved, meanwhile, in the use process, by symmetrically arranging the spray guns 5, the dyes sprayed out of the opposite spray guns 5 can impact each other on two sides of the fabric 7, so that the speed of the dyes permeating into the fabric 7 and the depth of the dyes permeating into the fabric 7 are increased, meanwhile, in the using process, the spray guns 5 on two sides of the fabric 7 are symmetrically arranged, so that the impact action of the dyes sprayed out of the spray guns 5 on two sides of the fabric 7 on the fabric 7 is offset, and the fabric 7 is prevented from deforming under the impact action of the dyes sprayed out of the spray guns 5, so that the fabric 7 has large shrinkage in the daily use process after finishing dyeing and finishing treatment, and the normal use of a product prepared by using the fabric 7 is influenced.
As an embodiment of the present invention, microspheres are added to the liquid dye used in the step S2; the addition amount of the microspheres is 0.9-1.13% vol; the microsphere is prepared by grinding an ethylene-vinyl acetate copolymer material, namely EVA hot melt adhesive, and the mesh number of the ground particles is 120-140 meshes, namely the average particle size of the particles is 0.104-0.124 mm;
when the dyeing and finishing machine works, the microspheres added into the dye are sprayed out from the spray gun 5 opposite to the dye, the microspheres wrapped in the dye contact with the fabric 7, the microspheres collide with yarns in the fabric 7, so that a local area on the fabric 7 impacted by the microspheres is in a loose state, dye permeation is facilitated, the dyeing and finishing effect of the fabric 7 is improved, meanwhile, the microspheres collide with the yarns on the fabric 7 to enable the yarns to be relatively loose, the bonding force between the dye and the fabric 7 can be effectively improved, the color fastness of the fabric 7 in the subsequent use process is improved, the possibility of color fading of the fabric 7 is reduced, meanwhile, in the processing process, due to the fact that the size of the microspheres is relatively small, the microspheres are embedded into yarn gaps on the fabric 7 after the microspheres collide with the fabric 7, and when the drying machine dries the fabric 7 after finishing, receive the high temperature effect, make the microballon melt, and permeate and enter into in the yarn on the surface fabric 7 and in the gap between the yarn, the fine hair that produces in the dyeing and finishing processing in-process on the yarn among the surface fabric 7 bonds, make the attached yarn surface to the surface fabric 7 of fine hair, improve the smooth finish on 7 surperficial surface of surface fabric after the dyeing and finishing processing, and simultaneously, effect through the microballon, can promote the structural strength of surface fabric 7 to a certain extent, improve surface fabric 7 to the bearing capacity of external effort, prevent that surface fabric 7 from appearing tearing easily, lead to surface fabric 7 to destroy, influence the life of surface fabric 7.
As an embodiment of the present invention, the microspheres are subjected to surface treatment before being added to the dye; after a layer of cationic adhesive is uniformly sprayed on the surface of the microsphere, putting the microsphere into a container; the container is filled with chopped fibers, and the length of the chopped fibers is 0.02-0.03 mm; after the microspheres are put into a container, blowing hot air into the container, and stirring the microspheres and the chopped fibers; the material of the short fiber is consistent with that of the semi-finished fabric 7 to be treated;
when in use, the cationic adhesive is used for adhering a layer of chopped fibers on the surface of the microsphere, so that the roughness of the surface of the microsphere can be effectively improved, further, when the microspheres are mixed into the dye and impact the yarns on the surface of the fabric 7, the friction between the microspheres and the yarns on the surface of the fabric 7 is increased, the possibility that the microspheres are embedded into gaps between the yarns on the fabric 7 after impact is increased, thereby increasing the number of the microspheres remained on the fabric 7 after the fabric 7 is processed, further improving the effect of the fabric 7 after being dried, and simultaneously, in the using process, the hot air blown into the container is used for stirring the microspheres and the chopped fibers, so that the problems of insufficient stirring or microsphere aggregation in the stirring process existing in the mechanical stirring process are solved, meanwhile, hot air is used for stirring, so that the cationic adhesive on the surfaces of the microspheres can be dried during stirring.
In one embodiment of the present invention, in the step S2, before the grey cloth is dyed, the grey cloth is charged by using an electrostatic generator; when the grey cloth is charged, the grey cloth passes through and contacts the conductive flat plate 6 electrically connected with the positive electrode 61 of the electrostatic generator, and then reaches the area where the spray gun 5 is located; the negative electrode 51 of the electrostatic generator opposite to the positive electrode 61 is connected to the spray gun 5; the positive electrode 61 is electrically connected with the conductive flat plate 6, so that the conductive flat plate 6 is positively charged, and the positive charge is transferred to the grey cloth passing through and contacting the conductive flat plate 6; the negative electrode 51 is electrically connected with the spray gun 5, so that the spray gun 5 is charged with negative charges; the dye sprayed by the spray gun 5 in an atomized manner is negatively charged;
during operation, through the effect of electrostatic generator, make surface fabric 7 when 5 regions of process spray gun, carry the positive charge on the surface fabric 7, the dyestuff of spray gun 5 spun carries the negative charge, after the dyestuff contacts with surface fabric 7, under the mutual attraction effect between positive charge and negative charge, can promote the dyestuff to permeate towards the inside of surface fabric 7, improve the bonding strength between dyestuff and the surface fabric 7, improve the colour tone of surface fabric 7, and simultaneously, along with the increase of the degree of depth of dyestuff towards the inside infiltration of surface fabric 7, can effectual promotion surface fabric 7 handle the color degree of depth after accomplishing, improve the treatment effect of surface fabric 7, and simultaneously, under the mutual attraction effect between the positive charge of carrying on the negative charge and the surface fabric 7 on through the dyestuff, can reduce the scattering of spun dyestuff in the spray gun 5, reduce the dyestuff loss, and reduce manufacturing cost.
As an embodiment of the present invention, the dryer includes a main body 1; the main body 1 is hollow, and a feed inlet 11 and a discharge outlet 12 are formed in the left side wall and the right side wall of the main body 1 along the Y-axis direction; the feed inlet 11 and the discharge outlet 12 are mirror images; a first guide roller 111 is rotatably mounted in the main body 1, and two ends of the first guide roller 111 are rotatably mounted on the inner wall of the main body 1 opposite to each other along the X-axis direction; the first guide roller 111 is positioned in the main body 1 and close to the feed inlet 11; a second guide roller 121 is rotatably mounted in the main body 1, and two ends of the second guide roller 121 are rotatably mounted on the inner wall of the main body 1 opposite to each other along the X-axis direction; the second guide roller 121 is positioned in the main body 1 and close to the discharge hole 12;
a first drying roller 3 and a second drying roller 4 are rotatably mounted in the main body 1 and are positioned at the same height; the first drying roller 3 and the second drying roller 4 have the same structure; the first drying roller 3 is positioned in the main body 1 and close to the second guide roller 121, and the central line of the first drying roller 3 is parallel to the central line of the second guide roller 121; the second guide roller 121 is positioned between the first drying roller 3 and the discharge hole 12; the second drying roller 4 is positioned in the main body 1 and close to the first guide roller 111, and the central line of the second drying roller 4 is parallel to the central line of the first guide roller 111; the first guide roller 111 is positioned between the second drying roller 4 and the feeding hole 11;
a first motor 31 and a second motor 41 are fixedly arranged on the side surface of the outer side of the main body 1, which is vertical to the X-axis direction; a first rotating shaft 371 is fixedly arranged on the first drying roller 3; the first rotating shaft 371 extends out of the main body 1, and the side surface where the first rotating shaft 371 is located is a side surface which is perpendicular to the X-axis direction on the outer side of the main body 1; the first motor 31 and the first rotating shaft 371 are connected with each other through a transmission belt; a second rotating shaft is fixedly arranged on the second drying roller 4; the second rotating shaft extends out of the main body 1, and the side face of the second rotating shaft is a side face which is perpendicular to the X-axis direction on the outer side of the main body 1; the second motor 41 is connected with the second rotating shaft through a transmission belt;
a conveying hole 37 is formed in the first drying roller 3, and the conveying hole 37 extends into the first rotating shaft 371; a pipeline is fixedly arranged in the delivery hole 37 in the first rotating shaft 371 through a rotating joint; the pipeline is connected to an air outlet of an external hot air blower; the surface of the first drying roller 3 is provided with a mounting groove 32; the length direction of the mounting groove 32 is the same as that of the first drying roller 3; the mounting grooves 32 are distributed on the surface of the first drying roller 3 uniformly; a communicating cavity 34 is formed in the first drying roller 3; the communication cavities 34 are multiple in number, and the communication cavities 34 correspond to the mounting grooves 32 one by one; the distance between the communication cavity 34 and the central line of the first drying roller 3 is less than the distance between the mounting groove 32 and the central line of the first drying roller 3; a through hole 36 is formed in the first drying roller 3, and two ends of the through hole 36 are respectively communicated with the conveying hole 37 and the communication cavity 34; a connecting hole 341 is formed in the first drying roller 3; one end of the connection hole 341 is connected to the communication chamber 34 and kept in conduction; the other end of the connection hole 341 is connected to the bottom surface of the installation groove 32; a scraping roller 33 is rotatably arranged in the mounting groove 32; a fixing rod 331 is fixedly installed in the installation groove 32; the scraping roller 33 is rotatably mounted on the fixing rod 331; gaps are reserved between the scraping roller 33 and the bottom surface and the side wall of the mounting groove 32; one end of the scraping roller 33, which is far away from the bottom surface of the mounting groove 32, extends out of the mounting groove 32; the part of the scraping roller 33, which is positioned outside the mounting groove 32, is in contact with the semi-finished fabric 7 passing through the main body 1;
during operation, after the dyed fabric 7 enters the main body 1 from the feed inlet 11, the fabric 7 is acted by the first guide roller 111 to change the advancing direction of the fabric 7, and then the fabric 7 contacts the first drying roller 3 and the second drying roller 4, changes the advancing direction again at the second guide roller 121, and leaves the inside of the main body 1 from the discharge outlet 12; meanwhile, when the dryer normally operates, hot air generated by an external hot air blower is conveyed into the conveying holes 37 in the first drying roller 3 and the second drying roller 4 through the pipelines, meanwhile, when the dryer normally operates, the first motor 31 and the second motor 41 keep operating states, the first motor 31 drives the first rotating shaft 371 to rotate through a driving belt, the second motor 41 drives the second rotating shaft to rotate through the driving belt, then, the first drying roller 3 keeps rotating states under the action of the first rotating shaft 371, the second drying roller 4 keeps rotating states under the action of the second rotating shaft, meanwhile, the first drying roller 3 and the second drying roller 4 are respectively positioned at two sides of the fabric 7, the tangential directions of the rotating directions of the first drying roller 3 and the second drying roller are opposite to the advancing direction of the fabric 7, and the linear speeds of the rotating directions of the first drying roller 3 and the second drying roller are greater than the advancing speed of the fabric 7; meanwhile, in the process of rotating the first drying roller 3, the scraping roller 33 directly contacts the fabric 7, the surface of the first drying roller 3 does not directly contact the fabric 7, meanwhile, in the rotating process, hot air conveyed into the conveying hole 37 enters the communicating cavity 34 through the conducting hole 36, further enters the installation groove 32 through the connecting hole 341, and is blown out to the surface of the fabric 7 from a gap between the side wall of the installation groove 32 and the scraping roller 33, meanwhile, in the drying process of the fabric 7, the scraping roller 33 installed in the installation groove 32 is subjected to the action of the hot air blown out from the connecting hole 341, the temperature of the scraping roller 33 is increased, after contacting the fabric 7, microspheres embedded in the fabric 7 are melted, and the melted microspheres penetrate into the fabric 7 through the extrusion action of the scraping roller 33, and in the drying process, the scraping roller 33 has a blocking effect on the connecting hole 341, can prevent from on hot-blast direct impact surface fabric 7 that blows off from connecting hole 341, after hot-blast impact surface fabric 7 goes up, impact the microballon of embedding in the surface fabric 7 and drop, it is less to cause the microballon quantity in the surface fabric 7, influence the treatment effect of surface fabric 7, and simultaneously, at the stoving in-process, through the rotation effect of scraping flat roller 33 relative first stoving roller 3, can reduce surface fabric 7 and receive frictional force, reduce the wearing and tearing that surface fabric 7 received, it is too big to prevent the wearing and tearing that surface fabric 7 received at the stoving in-process, influence surface fabric 7's performance and life.
As an embodiment of the present invention, a movable plate 35 is installed in the communication chamber 34; the lower end of the fixed rod 331 in the mounting groove 32 extends into the communication cavity 34, and the lower end of the fixed rod 331 is fixedly connected to the upper surface of the movable plate 35; a spring 351 is arranged in the communication cavity 34; one end of the spring 351 is fixedly arranged on the bottom surface of the communication cavity 34, and the other end of the spring is fixedly arranged on the lower surface of the movable plate 35; the fixing rod 331 moves up and down in the mounting groove 32 under the action of the spring 351; a block 352 is fixedly arranged on the upper surface of the movable plate 35; when the movable plate 35 contacts the top surface inside the communication chamber 34, the block 352 is inserted into the connection hole 341;
the surface of the scraping roller 33 is provided with an arc groove 332; the length direction of the arc groove 332 is the same as the length direction of the strickle roll 33; the arc grooves 332 are uniformly distributed on the surface of the leveling roller 33;
in operation, when the scraping roller 33 rotates along with the first drying roller 3 and does not contact with the fabric 7, the scraping roller 33 is not pressed by the fabric 7 and moves towards the installation groove 32, meanwhile, under the action of the spring 351 in the communication cavity 34, the scraping roller 33 protrudes out of the installation groove 32, the movable plate 35 in the communication cavity 34 is tightly attached to the top surface in the communication cavity 34, meanwhile, when the movable plate 35 is tightly attached to the top surface in the communication cavity 34, the blocking block 352 on the movable plate 35 is inserted into the connecting hole 341 to block the connection between the communication cavity 34 and the installation groove 32, so as to prevent the hot air in the communication cavity 34 from entering the installation groove 32, and then the hot air is not rotated to the installation groove 32 close to the fabric 7 to dissipate, thereby reducing the utilization efficiency of the hot air input from the outside, and simultaneously, the hot air input into the first drying roller 3 escapes from the installation groove 32, the quantity of hot air blown out of the mounting groove 32 in the contact area of the first drying roller 3 and the fabric 7 is insufficient, the drying effect on the fabric 7 is affected, meanwhile, after the mounting groove 32 is close to the fabric 7, the fabric 7 is in contact with the scraping roller 33, the scraping roller 33 is pressed towards the inside of the mounting groove 32, after the scraping roller 33 moves, the movable plate 35 in the communication cavity 34 synchronously moves, the block 352 on the movable plate 35 is separated from the connecting hole 341, and therefore the hot air in the communication cavity 34 can enter the mounting groove 32 through the connecting hole 341 and be blown out; simultaneously, in the use, through the effect of scraping arc groove 332 on the roller 33 of strikeing, can scrape the relative 7 pivoted in-process of surface fabric of strikeing roller 33, with adnexed too much dyestuff on the surface fabric 7 and strike off, guarantee that surface fabric 7 surface is clean and tidy.
The specific working process is as follows:
during operation, after the dyed fabric 7 enters the main body 1 from the feed inlet 11, the fabric 7 is acted by the first guide roller 111 to change the advancing direction of the fabric 7, and then the fabric 7 contacts the first drying roller 3 and the second drying roller 4, changes the advancing direction again at the second guide roller 121, and leaves the inside of the main body 1 from the discharge outlet 12; meanwhile, when the dryer normally operates, hot air generated by an external hot air blower is conveyed into the conveying holes 37 in the first drying roller 3 and the second drying roller 4 through the pipelines, meanwhile, when the dryer normally operates, the first motor 31 and the second motor 41 keep operating states, the first motor 31 drives the first rotating shaft 371 to rotate through a driving belt, the second motor 41 drives the second rotating shaft to rotate through the driving belt, then, the first drying roller 3 keeps rotating states under the action of the first rotating shaft 371, the second drying roller 4 keeps rotating states under the action of the second rotating shaft, meanwhile, the first drying roller 3 and the second drying roller 4 are respectively positioned at two sides of the fabric 7, the tangential directions of the rotating directions of the first drying roller 3 and the second drying roller are opposite to the advancing direction of the fabric 7, and the linear speeds of the rotating directions of the first drying roller 3 and the second drying roller are greater than the advancing speed of the fabric 7; meanwhile, in the rotating process of the first drying roller 3, the scraping roller 33 directly contacts the fabric 7, the surface of the first drying roller 3 does not directly contact the fabric 7, meanwhile, in the rotating process, hot air conveyed into the conveying hole 37 enters the communicating cavity 34 through the conducting hole 36, then enters the installation groove 32 through the connecting hole 341, and is blown out to the surface of the fabric 7 from a gap between the side wall of the installation groove 32 and the scraping roller 33, meanwhile, in the drying process of the fabric 7, the scraping roller 33 installed in the installation groove 32 is acted by the hot air blown out from the connecting hole 341, the temperature of the scraping roller 33 is increased, after contacting the fabric 7, microspheres embedded in the fabric 7 are melted, and the melted microspheres are made to permeate into the fabric 7 through the extrusion action of the scraping roller 33; when the scraping roller 33 rotates along with the first drying roller 3 and is not in contact with the fabric 7, the scraping roller 33 is not pressed by the fabric 7 and moves towards the installation groove 32, meanwhile, under the action of the spring 351 in the communication cavity 34, the scraping roller 33 protrudes towards the outside of the installation groove 32, the movable plate 35 in the communication cavity 34 is tightly attached to the top surface in the communication cavity 34, meanwhile, when the movable plate 35 is tightly attached to the top surface in the communication cavity 34, the blocking block 352 on the movable plate 35 is inserted into the connecting hole 341, the connecting relation between the communication cavity 34 and the installation groove 32 is blocked, the hot air in the communication cavity 34 is prevented from entering the installation groove 32, then the hot air is not rotated to the installation groove 32 close to the fabric 7 and then escapes, at the same time, after the installation groove 32 is close to the fabric 7, the fabric 7 is in contact with the scraping roller 33, the scraping roller 33 is pressed towards the installation groove 32, after the scraping roller 33 moves, the movable plate 35 in the communication chamber 34 is synchronously moved to make the blocking piece 352 on the movable plate 35 leave the connecting hole 341, so that the hot air in the communication chamber 34 can enter the mounting groove 32 through the connecting hole 341 and be blown out.
In order to verify the superiority of the process method, the process method and the device provided by the invention are used for processing the fabric, and the processed fabric is tested.
Selecting a common fabric which is sold in the market and is not subjected to dyeing and finishing treatment, and dividing the fabric into five groups which are equal, wherein each group is a reference group, an experiment group I, an experiment group II, an experiment group III and an experiment group IV;
cutting out samples with the same size and shape from a reference group and an experimental group, wherein the samples of the reference group are processed by adopting a common dyeing and finishing process, the samples of the experimental group I are processed by adopting the dyeing and finishing process of the invention, the samples of the experimental group II are processed by adopting the dyeing and finishing process of the invention (no microspheres are added in the dye), the samples of the experimental group III are processed by adopting the dyeing and finishing process of the invention (no cationic adhesive is added in the dye), and the samples of the experimental group IV are processed by adopting the dyeing and finishing process of the invention (drying is carried out by adopting a common dryer); after each group is finished with dyeing and finishing treatment, various performances of the fabric samples after each group is treated are detected, and detection results are recorded in tables 1 to 5. The above procedure was repeated three times, and the results are shown in tables 1 to 5.
TABLE 1
TABLE 2
TABLE 3
TABLE 4
TABLE 5
Wherein, the color fastness detection is carried out according to the national standard GB/T3921-.
The above experimental results show that: various performances of the fabric processed by the dyeing and finishing process are better than those of the fabric processed by the common dyeing and finishing process; in the dyeing and finishing process, after the cationic adhesive and the microspheres are added simultaneously, the performance of the fabric obtained after dyeing and finishing is better than that of the fabric obtained after only adding the cationic adhesive or the microspheres, and meanwhile, the performance of the fabric obtained after dyeing and finishing is better than that of the fabric obtained after only adding the microspheres; meanwhile, the performance of the dyed and finished fabric is reduced by drying the dyed and finished fabric by using a common dryer in the treatment process, but the performance of the treated fabric is still superior to that of the fabric treated by using a common process method. Therefore, the processing method and the processing equipment provided by the invention are adopted to process the fabric, and the performance of the processed fabric can be improved, namely, the processing method and the processing equipment provided by the invention have certain advantages compared with the common processing method and equipment.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A garment material dyeing and finishing process is characterized in that: the method comprises the following steps:
s1: pretreating the grey cloth to be treated, and removing dust, impurities, fluff and oiling agents existing on the grey cloth; the grey cloth pretreatment process comprises singeing, desizing, scouring, bleaching and mercerizing;
s2: on the basis of the step S1, dyeing the pre-treated grey cloth to finish the treatment of the grey cloth to obtain a semi-finished fabric (7); in the dyeing process, liquid dye is atomized at two sides of the grey cloth by using spray guns (5) and then sprayed onto the grey cloth, and the spray guns (5) at the two sides of the grey cloth are symmetrically distributed;
s3: on the basis of the step S2, feeding the semi-finished fabric (7) into a dryer, and drying the semi-finished fabric (7) at a high temperature to obtain a dried finished fabric; the drying temperature of the semi-finished fabric (7) is 120-;
the dye sprayed out by the spray gun (5) in the step S2 is subjected to temperature rise treatment, and the temperature of the dye sprayed out by the spray gun (5) is 45-50 ℃; a binder is added into the liquid dye for dyeing the grey cloth in the step S2; the adhesive is a cationic adhesive, and the addition amount of the adhesive is 1.3-1.65% vol;
microspheres are added into the liquid dye used in the step S2; the addition amount of the microspheres is 0.9-1.13% vol; the microsphere is prepared by grinding an ethylene-vinyl acetate copolymer material, namely EVA hot melt adhesive, and the mesh number of the ground particles is 120-140 meshes, namely the average particle size of the particles is 0.104-0.124 mm.
2. The garment material dyeing and finishing process according to claim 1, characterized in that: before the microspheres are added into the dye, carrying out surface treatment on the microspheres; after a layer of cationic adhesive is uniformly sprayed on the surface of the microsphere, putting the microsphere into a container; the container is filled with chopped fibers, and the length of the chopped fibers is 0.02-0.03 mm; after the microspheres are put into a container, blowing hot air into the container, and stirring the microspheres and the chopped fibers; the material of the short fiber is consistent with that of the semi-finished fabric (7) to be treated.
3. The garment material dyeing and finishing process according to claim 1, characterized in that: in the step S2, before the gray fabric is dyed, the electrostatic generator is used to perform a "charging" process on the gray fabric; when the grey cloth is charged, the grey cloth passes through and contacts a conductive flat plate (6) electrically connected with a positive electrode (61) of the electrostatic generator, and then reaches the area where the spray gun (5) is located; a negative electrode (51) of the electrostatic generator, which is opposite to the positive electrode (61), is connected to the spray gun (5); the positive electrode (61) is electrically connected with the conductive flat plate (6) to enable the conductive flat plate (6) to carry positive charges and transfer the positive charges to the grey cloth passing through and contacting the conductive flat plate (6); the negative electrode (51) is electrically connected with the spray gun (5) to enable the spray gun (5) to be charged with negative charges; the dye sprayed by the spray gun (5) in an atomized manner is negatively charged.
4. The garment material dyeing and finishing process according to claim 1, characterized in that: the dryer includes a main body (1); the main body (1) is hollow, and a feed inlet (11) and a discharge outlet (12) are formed in the left side wall and the right side wall of the main body (1) along the Y-axis direction; the feed inlet (11) and the discharge outlet (12) are mirror images; a first guide roller (111) is rotatably mounted in the main body (1), and two ends of the first guide roller (111) are rotatably mounted on the inner wall of the main body (1) opposite to each other along the X-axis direction; the first guide roller (111) is positioned in the main body (1) and close to the feed inlet (11); a second guide roller (121) is rotatably mounted in the main body (1), and two ends of the second guide roller (121) are rotatably mounted on the inner wall of the main body (1) opposite to each other along the X-axis direction; the second guide roller (121) is positioned in the main body (1) and close to the discharge hole (12);
a first drying roller (3) and a second drying roller (4) are rotatably arranged in the main body (1) and are positioned at the same height; the first drying roller (3) and the second drying roller (4) have the same structure; the first drying roller (3) is positioned in the main body (1) and close to the second guide roller (121), and the central line of the first drying roller (3) is parallel to the central line of the second guide roller (121); the second guide roller (121) is positioned between the first drying roller (3) and the discharge hole (12); the second drying roller (4) is positioned in the main body (1) and close to the first guide roller (111), and the central line of the second drying roller (4) is parallel to the central line of the first guide roller (111); the first guide roller (111) is positioned between the second drying roller (4) and the feeding hole (11);
a first motor (31) and a second motor (41) are fixedly arranged on the side surface of the outer side of the main body (1) which is vertical to the X-axis direction; a first rotating shaft (371) is fixedly arranged on the first drying roller (3); the first rotating shaft (371) extends out of the main body (1), and the side face where the first rotating shaft (371) is located is a side face which is perpendicular to the X-axis direction on the outer side of the main body (1); the motor I (31) and the rotating shaft I (371) are connected with each other through a transmission belt; a second rotating shaft is fixedly arranged on the second drying roller (4); the second rotating shaft extends out of the main body (1), and the side face of the second rotating shaft is a side face which is perpendicular to the X-axis direction and on the outer side of the main body (1); the second motor (41) is connected with the second rotating shaft through a transmission belt;
a conveying hole (37) is formed in the first drying roller (3), and the conveying hole (37) extends into the first rotating shaft (371); a pipeline is fixedly arranged in the delivery hole (37) in the first rotating shaft (371) through a rotary joint; the pipeline is connected to an air outlet of an external hot air blower; the surface of the first drying roller (3) is provided with a mounting groove (32); the length direction of the mounting groove (32) is the same as that of the first drying roller (3); the installation grooves (32) are divided into a plurality of groups and are uniformly distributed on the surface of the first drying roller (3); a communicating cavity (34) is formed in the first drying roller (3); the communication cavities (34) are multiple in number, and the communication cavities (34) are in one-to-one correspondence with the mounting grooves (32); the distance between the communication cavity (34) and the central line of the first drying roller (3) is smaller than the distance between the mounting groove (32) and the central line of the first drying roller (3); a through hole (36) is formed in the first drying roller (3), and two ends of the through hole (36) are respectively communicated with the conveying hole (37) and the communication cavity (34); a connecting hole (341) is formed in the first drying roller (3); one end of the connecting hole (341) is connected into the communicating cavity (34) and keeps conducting; the other end of the connecting hole (341) is connected to the bottom surface of the mounting groove (32); a scraping roller (33) is rotatably arranged in the mounting groove (32); a fixing rod (331) is fixedly arranged in the mounting groove (32); the scraping roller (33) is rotatably arranged on the fixing rod (331); gaps are reserved between the scraping roller (33) and the bottom surface and the side wall of the mounting groove (32); one end of the scraping roller (33) far away from the bottom surface of the mounting groove (32) extends out of the mounting groove (32); the part of the scraping roller (33) outside the mounting groove (32) is in contact with the semi-finished fabric (7) passing through the main body (1).
5. The garment material dyeing and finishing process of claim 4, characterized in that: a movable plate (35) is arranged in the communication cavity (34); the lower end of a fixed rod (331) in the mounting groove (32) extends into the communication cavity (34), and the lower end of the fixed rod (331) is fixedly connected to the upper surface of the movable plate (35); a spring (351) is arranged in the communication cavity (34); one end of the spring (351) is fixedly arranged on the bottom surface of the communication cavity (34), and the other end of the spring is fixedly arranged on the lower surface of the movable plate (35); the fixing rod (331) moves up and down in the mounting groove (32) under the action of the spring (351); a block (352) is fixedly arranged on the upper surface of the movable plate (35); when the movable plate (35) contacts the top surface in the communication cavity (34), the blocking block (352) is inserted into the connecting hole (341);
the surface of the scraping roller (33) is provided with an arc groove (332); the length direction of the arc groove (332) is the same as that of the scraping roller (33); the arc grooves (332) are distributed on the surface of the scraping roller (33) uniformly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110357930.2A CN113026386B (en) | 2021-04-01 | 2021-04-01 | Garment fabric dyeing and finishing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110357930.2A CN113026386B (en) | 2021-04-01 | 2021-04-01 | Garment fabric dyeing and finishing process |
Publications (2)
| Publication Number | Publication Date |
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| CN113026386A CN113026386A (en) | 2021-06-25 |
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| CN105463878B (en) * | 2015-12-10 | 2017-12-01 | 常州大学 | A kind of dyeing of denim yarn/ready-made clothes or Staining Method With Agnor Technique |
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