CN112342712A - Preparation process and padding device of moisture-absorbing quick-drying knitted fabric - Google Patents
Preparation process and padding device of moisture-absorbing quick-drying knitted fabric Download PDFInfo
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- CN112342712A CN112342712A CN202011223458.5A CN202011223458A CN112342712A CN 112342712 A CN112342712 A CN 112342712A CN 202011223458 A CN202011223458 A CN 202011223458A CN 112342712 A CN112342712 A CN 112342712A
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- auxiliary agent
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- 239000004744 fabric Substances 0.000 title claims abstract description 149
- 238000001035 drying Methods 0.000 title claims abstract description 52
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000002131 composite material Substances 0.000 claims abstract description 92
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 77
- 238000010521 absorption reaction Methods 0.000 claims abstract description 34
- 238000004043 dyeing Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 18
- 230000008569 process Effects 0.000 claims abstract description 16
- 229920000742 Cotton Polymers 0.000 claims abstract description 9
- 238000002203 pretreatment Methods 0.000 claims abstract description 7
- 238000009940 knitting Methods 0.000 claims abstract description 4
- 238000009999 singeing Methods 0.000 claims abstract description 4
- 238000009941 weaving Methods 0.000 claims abstract description 4
- 229920000728 polyester Polymers 0.000 claims abstract description 3
- 239000007788 liquid Substances 0.000 claims description 81
- 238000005507 spraying Methods 0.000 claims description 38
- 238000005096 rolling process Methods 0.000 claims description 36
- 238000007790 scraping Methods 0.000 claims description 19
- 230000007246 mechanism Effects 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000002791 soaking Methods 0.000 claims description 11
- 238000007598 dipping method Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 7
- 239000000835 fiber Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005406 washing Methods 0.000 abstract description 5
- 239000012209 synthetic fiber Substances 0.000 abstract description 3
- 229920002994 synthetic fiber Polymers 0.000 abstract description 3
- 238000009998 heat setting Methods 0.000 abstract 1
- 238000000605 extraction Methods 0.000 description 8
- 239000000975 dye Substances 0.000 description 5
- 239000004902 Softening Agent Substances 0.000 description 4
- 229920004933 Terylene® Polymers 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 239000002274 desiccant Substances 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 210000004243 sweat Anatomy 0.000 description 2
- 206010016322 Feeling abnormal Diseases 0.000 description 1
- 239000000980 acid dye Substances 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000000981 basic dye Substances 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 238000010382 chemical cross-linking Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
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- 230000002265 prevention Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Classifications
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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
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
- D06B3/18—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics combined with squeezing, e.g. in padding machines
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
- D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
-
- 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
-
- 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
- D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
- D06B23/20—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration, distillation
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
- D10B2201/02—Cotton
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
Abstract
The embodiment of the invention discloses a preparation process of a moisture-absorbing quick-drying knitted fabric, which comprises the following steps: step 100, performing circular knitting weaving and singeing pretreatment on the composite yarn fabric; 200, synchronously carrying out primary padding on the composite yarn fabric subjected to the pre-treatment in the dyeing process; 300, performing secondary padding on the composite yarn fabric subjected to the primary padding treatment, and then drying and heat setting; the invention combines the characteristics of the polyester synthetic fiber and the natural cotton fiber, adopts the composite yarn fabric to graft the hydrophilic groups in the moisture absorption quick-drying auxiliary agent on the fiber in a padding mode, so that the fabric has the performance of moisture absorption quick-drying, and simultaneously, the auxiliary agent is more tightly combined with the fiber in a two-step padding combined mode, and the washing resistant effect is better.
Description
Technical Field
The embodiment of the invention relates to the technical field of fabric preparation, in particular to a preparation process and a padding device of a moisture-absorbing quick-drying knitted fabric.
Background
In recent years, with the continuous development of textile industry technology and the continuous improvement of living standard of people, especially in recent years, people have more and more advocated healthy living style, the participation and investment in sports are more and more, the requirements on sports clothes are not limited to style, color and the like, but higher requirements on comfort are provided, especially the moisture absorption quick drying and body sticking prevention performance of the clothes.
The traditional water-absorbing quick-drying fabric is mainly made of chemical synthetic fibers, and the comfortable soft feeling of natural fibers is difficult to achieve; the cotton knitted fabric belongs to natural fibers, has good wearing comfort and good water absorption performance, has high moisture regain of cotton fibers, is difficult to diffuse and evaporate after absorbing water, is difficult to achieve ideal quick drying, and is limited in application of sports fabrics.
In order to realize the moisture absorption and quick drying performance of the fabric, the prior art generally has two modes: one is composite yarn, the other is auxiliary agent, wherein the auxiliary agent is added during dyeing, and hydrophilic groups in the auxiliary agent are grafted on fibers, so that the fabric has a relatively visual moisture absorption effect, but the auxiliary agent is not resistant to washing, and the effect is reduced after multiple washing.
Disclosure of Invention
Therefore, the embodiment of the invention provides a preparation process and a padding device of a moisture-absorbing quick-drying knitted fabric, which aim to solve the problems that the quick drying of cotton fibers is difficult and the effect is reduced after the moisture-absorbing quick-drying auxiliary agent is washed for multiple times.
In order to achieve the above object, an embodiment of the present invention provides the following:
a preparation process of moisture-absorbing quick-drying knitted fabric comprises the following steps:
step 100, performing circular knitting weaving and singeing pretreatment on the composite yarn fabric;
200, synchronously carrying out primary padding on the composite yarn fabric subjected to the pre-treatment in the dyeing process;
and 300, performing secondary padding and finishing and shaping on the composite yarn fabric subjected to the primary padding treatment.
Further, in step 200, the specific manner of synchronously performing primary dyeing padding on the composite yarn fabric in the dyeing process is as follows:
step 201, soaking the composite yarn fabric subjected to the pre-treatment in a dyeing auxiliary agent;
step 202, performing primary rolling on the soaked composite yarn fabric to remove redundant dyeing auxiliaries;
step 203, repeating the step 201 and the step 202, and performing two-dipping and two-rolling treatment on the composite yarn fabric in a single rolling groove;
step 204, performing hydrophilic treatment on the rolled composite yarn fabric to enable the inner surface and the outer surface of the composite yarn fabric to present gradient water absorption performance from weak to strong;
and 205, dehydrating and drying the treated composite yarn fabric.
Further, in step 201, the dyeing assistant includes a dye and a moisture absorption quick drying assistant.
Further, in step 203, the specific manner of performing hydrophilization treatment on the rolled composite yarn fabric is as follows:
and in the state that the composite yarn fabric moves at a constant speed, spraying the moisture absorption quick-drying auxiliary agent on the outer surface of the composite yarn fabric perpendicular to the moving direction of the composite yarn fabric, simultaneously spraying the softening auxiliary agent on the inner surface of the composite yarn fabric, and controlling the permeation quantity of the moisture absorption quick-drying auxiliary agent on the inner surface of the composite yarn fabric to be lower than that of the outer surface through the reverse spraying of the softening auxiliary agent.
Further, in step 300, the secondary padding specifically includes:
301, soaping the dyed composite yarn fabric for multiple times;
step 302, soaking the soaped composite yarn fabric in a water-absorbing quick-drying auxiliary agent and a color fixing agent;
step 303, performing primary rolling on the soaked composite yarn fabric to remove redundant auxiliaries;
step 304, repeating the step 302 and the step 303, carrying out two-dipping and two-rolling treatment on the composite yarn fabric in a single rolling groove, and controlling the liquid carrying rate of the fabric to be 70-90%;
further, the composite yarn fabric is composed of 20% of terylene in parts by mass and 80% of cotton in parts by mass.
Further, the setting temperature for finishing and shaping in step 300 is 150-80 ℃, and the vehicle speed is 15-25 m/min.
In addition, the invention also provides a padding device which comprises a groove body and a plurality of groups of steering wheels arranged in parallel in the groove body, wherein a plurality of groups of rolling wheels are arranged above the groove body, the steering wheels and the rolling wheel groups are arranged in a staggered mode along the length extension direction of the groove body, so that the composite yarn fabric is alternately soaked and rolled in sequence, the composite yarn fabric is sequentially soaked and rolled in the same working procedure, two groups of auxiliary agent processing devices are arranged at the tail end of the groove body, and the connecting line of the two groups of auxiliary agent processing devices is perpendicular to the discharging direction of the groove body and is used for simultaneously spraying auxiliary agents on the inner surface and the outer surface of the fabric.
Further, the auxiliary agent processing device comprises a liquid spraying head for spraying auxiliary agents to the fabric, a liquid supply mechanism connected with the liquid spraying head through a pipeline, a liquid suction head for recycling redundant auxiliary agents and a liquid storage mechanism connected with the liquid suction head through a pipeline, wherein the liquid suction head is arranged below the liquid supply mechanism;
the auxiliary agent amount of each layer of the scraping plates for receiving the liquid spraying head is gradually reduced from a feeding end to a discharging end, each layer of the scraping plates is wavy, the auxiliary agents sprayed by the liquid spraying head automatically flow on the transitional scraping plates due to self gravity factors, the auxiliary agents are sequentially sprayed on the composite yarn fabric in the process of conveying the composite yarn fabric, and the liquid pumping head is connected with a liquid collecting plate arranged on the outlet end scraping plate and used for recycling redundant auxiliary agents.
Furthermore, the liquid extraction head is of a cavity structure with an opening facing the fabric, a liquid rolling wheel tightly attached to the fabric is installed in the middle of the liquid extraction head, and the lower edge of the liquid extraction head facing one side of the fabric extends upwards to form a liquid guide plate for preventing liquid from falling.
The embodiment of the invention has the following advantages:
the invention combines the characteristics of the polyester synthetic fiber and the natural cotton fiber, adopts the composite yarn fabric to graft the hydrophilic groups in the moisture absorption quick-drying auxiliary agent on the fiber in a padding mode, so that the fabric has the performance of moisture absorption quick-drying, and simultaneously, the auxiliary agent is more tightly combined with the fiber in a two-step padding combined mode, and the washing resistant effect is better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
Fig. 1 is a schematic flow chart in the embodiment of the present invention.
FIG. 2 is a schematic view of the construction of a groove according to an embodiment of the present invention;
fig. 3 is a schematic view of the structure of the liquid extraction head in the groove shown in fig. 2.
Reference numbers in the figures:
10-a tank body; 20-a steering wheel; 30-rolling a wheel set; 40-an auxiliary agent processing device;
41-liquid spraying head; 42-a liquid supply mechanism; 43-liquid extraction head; 44-a liquid storage mechanism;
431-mangle wheel; 432-liquid guide plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the invention provides a preparation process of a moisture-absorbing quick-drying knitted fabric, which comprises the following steps:
step 100, performing circular knitting weaving and singeing pretreatment on the composite yarn fabric;
200, synchronously carrying out primary padding on the composite yarn fabric subjected to the pre-treatment in the dyeing process;
and 300, performing secondary padding and finishing and shaping on the composite yarn fabric subjected to the primary padding treatment.
The composite yarn fabric is composed of 20% of terylene and 80% of cotton in parts by weight, and the characteristics of good quick-drying performance of terylene and good water absorption and comfort of cotton are combined.
Based on the preparation process, the embodiment of the invention is characterized in that the composite yarn fabric is subjected to padding treatment twice, so that the bonding compactness of the auxiliary agent and the fiber is improved, and the washing resistance is stronger.
Specifically, in step 200, the specific manner of synchronously performing primary dyeing padding on the composite yarn fabric in the dyeing process is as follows:
step 201, soaking the composite yarn fabric subjected to the pre-treatment in a dyeing auxiliary agent;
the moisture absorption quick-drying auxiliary agent adopts weak cationic type moisture absorption quick-drying auxiliary agent YST-TX 10-50g/L, when the dye is acid dye, the dyeing auxiliary agent can be dye and moisture absorption quick-drying auxiliary agent, when the dye is basic dye, the dyeing auxiliary agent can be pure dye.
The reason is that the fabric has weak acid performance under weak acid condition (pH value is 5-6) and has chemical crosslinking reaction with the weak cation water absorption quick-drying agent, so that the fabric has water absorption quick-drying performance and better washability.
Step 202, performing primary rolling on the soaked composite yarn fabric to remove redundant dyeing auxiliaries;
step 203, repeating the step 201 and the step 202, and performing two-dipping and two-rolling treatment on the composite yarn fabric in a single rolling groove;
step 204, performing hydrophilic treatment on the rolled composite yarn fabric to enable the inner surface and the outer surface of the composite yarn fabric to present gradient water absorption performance from weak to strong;
the hydrophilic treatment obtains the gradient water absorption performance, so that the water absorption performance of the fabric attached to the inner surface of a human body is weaker than that of the outer surface, the fabric is firstly adsorbed by the inner surface after the human body sweats, sweat adsorbed on the inner surface is quickly brought to the outer surface of the fabric due to the gradient difference of the water absorption performance of the inner surface and the outer surface, the quick evaporation is realized in the air, and the quick drying performance is realized.
Specifically, the hydrophilization treatment of the rolled composite yarn fabric is performed in the following specific manner:
and in the state that the composite yarn fabric moves at a constant speed, spraying the moisture absorption quick-drying auxiliary agent on the outer surface of the composite yarn fabric perpendicular to the moving direction of the composite yarn fabric, simultaneously spraying the softening auxiliary agent on the inner surface of the composite yarn fabric, and controlling the permeation quantity of the moisture absorption quick-drying auxiliary agent on the inner surface of the composite yarn fabric to be lower than that of the outer surface through the reverse spraying of the softening auxiliary agent.
In the embodiment of the invention, the softening auxiliary agent is preferably weak cation water-absorbing softening agent YSJ-110-40G/L and terpolymer silicone compound 880620-60G/L.
The fabric is subjected to softening treatment by using the softening agent in the treatment process, the hydrophilic performance of the moisture absorption quick-drying agent can be reduced due to the fact that the softening agent is generally hydrophobic, and the inner surface of the fabric can obtain soft performance and is skin-friendly and comfortable by spraying the inner surface, and the hydrophilic performance of the inner surface of the fabric is lower than that of the outer surface of the fabric due to the hydrophobic performance of the softening agent, so that the fabric has gradient water absorption performance.
The treatment process is based on the gradient water absorption performance in the softening treatment process, and no additional treatment step is needed, so that the preparation process is simplified.
And 205, dehydrating and drying the treated composite yarn fabric.
In the two-soaking and two-rolling treatment process, the two-soaking and two-rolling treatment process needs to be completed by a padding device, the padding device (the rolling groove) in the preparation process is essentially the padding device, specifically, as shown in fig. 2, the padding device (the rolling groove) comprises a groove body 10 and two groups of steering wheels 20 which are arranged in the groove body 10 in parallel, two groups of rolling wheel sets 30 are arranged above the groove body 10, the steering wheels 20 and the rolling wheel sets 30 are arranged in a staggered manner along the length extension direction of the groove body 10, so that the composite yarn fabric is soaked and rolled alternately in sequence, the composite yarn fabric is soaked and rolled sequentially in the same process, in the invention, the spraying of an auxiliary agent treatment device 40 is needed, so that the auxiliary agent can be rapidly treated after being sprayed on the surface of the composite yarn fabric, the auxiliary agent is prevented from being oxidized or having other property changes, and the composite yarn fabric is ensured to be rapidly modified, the effect of the auxiliary agent on the composite yarn fabric is uniform, and the phenomenon that the difference is modified due to untimely treatment is avoided, so that the uniformity of the product is influenced.
Based on the foregoing, in the present embodiment, two sets of auxiliary agent processing devices 40 are disposed at the end of the tank 10, and a connection line of the two sets of auxiliary agent processing devices 40 is perpendicular to the discharging direction of the tank 10, so as to simultaneously perform auxiliary agent spraying operation on the inner surface and the outer surface of the fabric.
The steering wheel 20 mainly soaks the cloth in the tank 10, the rolling wheel group 20 is generally two rollers which are arranged in a joint manner, the fabric passes through the middle of the two rollers to remove redundant soaking and rolling liquid, and the two groups of auxiliary agent processing devices 40 are designed to cooperate with the spraying of the softening auxiliary agent and the moisture absorption quick-drying auxiliary agent in the processing process.
The auxiliary agent processing device 40 comprises a liquid spraying head 41 for spraying an auxiliary agent to the fabric, a liquid supply mechanism 42 connected with the liquid spraying head 41 through a pipeline, in order to avoid that the sprayed redundant auxiliary liquid drops into the tank body or the redundant auxiliary liquid permeates downwards along the fabric to influence the moisture absorption and quick drying performance of the fabric in a gradient manner, the auxiliary agent processing device further comprises a liquid extracting head 43 for recovering the redundant auxiliary agent and a liquid storage mechanism 44 connected with the liquid extracting head 43 through a pipeline. The liquid pumping head 43 is arranged below the liquid supply mechanism 42.
As can be seen from the foregoing, in the present invention, the time for the auxiliary agent to stay on the composite yarn fabric will affect the modification effect thereof, so that in order to make the performance of the composite yarn fabric similar, the auxiliary agent cannot be directly sprayed on the composite yarn fabric in sufficient quantity or in excess, for this reason, a transitional liquid scraping plate is arranged in the spraying direction of the liquid spraying head 41, wherein the transitional liquid scraping plate is composed of multiple layers of scraping plates, and the multiple layers of scraping plates all form a downward acute angle with the transmission direction of the composite yarn fabric, and regarding the dosage of the auxiliary agent, the dosage of the auxiliary agent received by each layer of scraping plate from the feeding end to the discharging end is gradually reduced, so that the dosages can be gradually and cumulatively superimposed from before and after, and excessive dosage caused by direct spraying in the initial stage is avoided.
Each layer of the scraping plates are wavy and can disperse auxiliaries which are transversely unevenly distributed, so that the dosage can be evenly distributed on the composite yarn fabric, the liquid spraying heads 41 spray the auxiliaries, then the auxiliaries flow on the transitional scraping plates due to self gravity factors, the auxiliaries are sequentially sprayed on the composite yarn fabric in the transmission process of the composite yarn fabric, and the liquid pumping heads 43 are connected through a liquid collecting plate arranged on the outlet end scraping plate and used for recycling the redundant auxiliaries.
The liquid supply mechanism 42 is used for spraying the auxiliary agent in the liquid supply tank along the liquid spraying head through the liquid drawing pump, and the liquid storage mechanism 44 is used for recovering the liquid pumped by the liquid drawing head to the liquid storage tank along the pipeline.
As shown in fig. 3, the liquid extraction head 43 is a cavity structure with an opening facing the fabric, a mangle 431 tightly attached to the fabric is installed in the middle of the liquid extraction head 43, the mangle 431 rolls and extrudes redundant auxiliary liquid, meanwhile, the mangle 431 also reduces the subsequent dewatering load, and the lower edge of one side of the liquid extraction head 43 facing the fabric extends upwards to form a liquid guide plate 432 for preventing liquid from falling, so that the liquid is prevented from vertically downwards penetrating or downwards penetrating along the fabric.
Step 300, performing secondary padding, specifically comprising:
301, soaping the dyed composite yarn fabric for multiple times;
step 302, soaking the soaped composite yarn fabric in a water-absorbing quick-drying auxiliary agent and a color fixing agent;
step 303, performing primary rolling on the soaked composite yarn fabric to remove redundant auxiliaries;
step 304, repeating the step 302 and the step 303, carrying out two-dipping and two-rolling treatment on the composite yarn fabric in a single rolling groove, and controlling the liquid carrying rate of the fabric to be 70-90%;
wherein the setting temperature for finishing and shaping is 150-80 ℃, and the vehicle speed is 15-25 m/min.
Because the washable performance of the moisture absorption quick-drying auxiliary agent is poor, the composite yarn fabric is soaped before the secondary padding, so that hydrophilic groups which are not tightly combined with fibers are removed, binding bonds are released, and the composite yarn fabric is continuously combined with the hydrophilic groups in the moisture absorption quick-drying auxiliary agent in a secondary padding process in a two-dipping and two-rolling mode, so that the fabric with better washable performance is obtained.
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.
Claims (10)
1. A preparation process of a moisture-absorbing quick-drying knitted fabric is characterized by comprising the following steps:
step 100, performing circular knitting weaving and singeing pretreatment on the composite yarn fabric;
200, synchronously carrying out primary padding on the composite yarn fabric subjected to the pre-treatment in the dyeing process;
and 300, performing secondary padding and finishing and shaping on the composite yarn fabric subjected to the primary padding treatment.
2. The preparation process of the moisture-absorbing and quick-drying knitted fabric according to claim 1, wherein in the step 200, the specific manner of synchronously carrying out one-time dyeing padding on the composite yarn fabric in the dyeing process is as follows:
step 201, soaking the composite yarn fabric subjected to the pre-treatment in a dyeing auxiliary agent;
step 202, performing primary rolling on the soaked composite yarn fabric to remove redundant dyeing auxiliaries;
step 203, repeating the step 201 and the step 202, and performing two-dipping and two-rolling treatment on the composite yarn fabric in a single rolling groove;
step 204, performing hydrophilic treatment on the rolled composite yarn fabric to enable the inner surface and the outer surface of the composite yarn fabric to present gradient water absorption performance from weak to strong;
and 205, dehydrating and drying the treated composite yarn fabric.
3. The process for preparing moisture-absorbing quick-drying knitted fabric according to claim 2, wherein in step 201, the dyeing auxiliary comprises a dye and a moisture-absorbing quick-drying auxiliary.
4. The process for preparing moisture-absorbing and quick-drying knitted fabric according to claim 2, wherein in step 203, the hydrophilization treatment of the rolled composite yarn fabric is performed by:
and in the state that the composite yarn fabric moves at a constant speed, spraying the moisture absorption quick-drying auxiliary agent on the outer surface of the composite yarn fabric perpendicular to the moving direction of the composite yarn fabric, simultaneously spraying the softening auxiliary agent on the inner surface of the composite yarn fabric, and controlling the permeation quantity of the moisture absorption quick-drying auxiliary agent on the inner surface of the composite yarn fabric to be lower than that of the outer surface through the reverse spraying of the softening auxiliary agent.
5. The process for preparing the moisture-absorbing and quick-drying knitted fabric according to claim 2, wherein in the step 300, the secondary padding specifically comprises:
301, soaping the dyed composite yarn fabric for multiple times;
step 302, soaking the soaped composite yarn fabric in a water-absorbing quick-drying auxiliary agent and a color fixing agent;
step 303, performing primary rolling on the soaked composite yarn fabric to remove redundant auxiliaries;
step 304, repeating the step 302 and the step 303, carrying out two-dipping and two-rolling treatment on the composite yarn fabric in a single rolling groove, and controlling the liquid carrying rate of the fabric to be 70-90%;
6. the preparation process of the moisture-absorbing and quick-drying knitted fabric according to claim 1, wherein the composite yarn fabric is composed of 20% of polyester and 80% of cotton in parts by mass.
7. The process for preparing moisture-absorbing quick-drying knitted fabric according to claim 1, wherein the setting temperature for finishing and setting in step 300 is 150-80 ℃ and the vehicle speed is 15-25 m/min.
8. A padding device based on the moisture-absorbing quick-drying knitted fabric manufacturing process according to any one of claims 2 to 5, the composite yarn soaking and rolling device is characterized by comprising a tank body (10) and a plurality of groups of steering wheels (20) arranged in parallel in the tank body (10), wherein a plurality of groups of rolling wheel groups (30) are arranged above the tank body (10), the steering wheels (20) and the rolling wheel groups (30) are arranged in a staggered manner along the length extension direction of the tank body (10) so that composite yarn fabrics are alternately soaked and rolled in sequence to sequentially finish soaking and rolling in the same working procedure, two groups of auxiliary agent processing devices (40) are arranged at the tail end of the groove body (10), and the connecting line of the two groups of auxiliary agent processing devices (40) is perpendicular to the discharging direction of the groove body (10) and is used for simultaneously spraying auxiliary agents on the inner surface and the outer surface of the fabric.
9. The process for preparing the moisture-absorbing and quick-drying knitted fabric according to claim 8, wherein the auxiliary agent processing device (40) comprises a liquid spraying head (41) for spraying the auxiliary agent to the fabric, a liquid supply mechanism (42) connected with the liquid spraying head (41) through a pipeline, a liquid suction head (43) for recovering the redundant auxiliary agent and a liquid storage mechanism (44) connected with the liquid suction head (43) through a pipeline, wherein the liquid suction head (43) is arranged below the liquid supply mechanism (42);
the auxiliary agent spraying device is characterized in that a transitional liquid scraping plate is arranged in the spraying direction of the liquid spraying head (41), the transitional liquid scraping plate is composed of a plurality of layers of scraping plates, the auxiliary agent receiving amount of the liquid spraying head (41) received by each layer of the scraping plates is gradually reduced from the feeding end to the discharging end, each layer of the scraping plates is wavy, the auxiliary agents sprayed by the liquid spraying head (41) flow on the transitional liquid scraping plate due to self gravity factors, the auxiliary agents are sprayed on the composite yarn fabric in sequence in the transmission process of the composite yarn fabric, and the liquid extracting head (43) is connected with a liquid collecting plate arranged on the outlet end scraping plate and used for recovering redundant auxiliary agents.
10. The process for preparing the moisture-absorbing and quick-drying knitted fabric according to claim 9, wherein the liquid extracting head (43) is of a cavity structure with an opening facing the fabric, the liquid rolling wheel (431) tightly attached to the fabric is installed in the middle of the liquid extracting head (43), and the lower edge of one side, facing the fabric, of the liquid extracting head (43) extends upwards to form a liquid guide plate (432) for preventing liquid from falling.
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| CN115815076A (en) * | 2022-12-08 | 2023-03-21 | 浙江亦阳新材料有限公司 | Manufacturing process of multipurpose spray painting coating material |
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