CN115305732B - Acid digital printing manufacturing process for nylon 66 filament woven fabric - Google Patents

Acid digital printing manufacturing process for nylon 66 filament woven fabric Download PDF

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Publication number
CN115305732B
CN115305732B CN202211050138.3A CN202211050138A CN115305732B CN 115305732 B CN115305732 B CN 115305732B CN 202211050138 A CN202211050138 A CN 202211050138A CN 115305732 B CN115305732 B CN 115305732B
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nylon
woven fabric
filament woven
lifting
filament
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CN115305732A (en
Inventor
刘惠林
陈文钦
陈立锋
赖泽南
庄力超
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Huamao Xiamen Special Material Co ltd
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Huamao Xiamen Special Material Co ltd
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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
    • D06P1/39—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 acid dyes
    • 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
    • D06B23/04—Carriers or supports for textile materials to be treated
    • 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
    • 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
    • D06B3/34—Driving arrangements of machines or apparatus
    • D06B3/345—Means for controlling the tension in the textile material
    • 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
    • D06P1/64—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 low-molecular-weight organic compounds without sulfate or sulfonate groups
    • D06P1/642—Compounds containing nitrogen
    • D06P1/649—Compounds containing carbonamide, thiocarbonamide or guanyl groups
    • D06P1/6491—(Thio)urea or (cyclic) derivatives
    • 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
    • D06P1/673—Inorganic compounds
    • 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
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/02—Material containing basic nitrogen
    • D06P3/04—Material containing basic nitrogen containing amide groups
    • D06P3/24—Polyamides; Polyurethanes
    • D06P3/241—Polyamides; Polyurethanes using acid dyes
    • 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
    • D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
    • 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
    • D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
    • D06P5/02—After-treatment
    • 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
    • D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
    • D06P5/30—Ink jet printing

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Coloring (AREA)

Abstract

The invention discloses a nylon 66 filament woven fabric acidic digital printing manufacturing process, which relates to the technical field of digital printing, and the technical scheme is characterized by comprising the following steps of pretreatment, spray printing, steaming, washing and after-finishing; the pretreatment comprises the following steps: (1) removing surface sizing agent and impurities of the nylon 66 filament woven fabric by adopting cold piling and corona; (2) the nylon 66 filament yarn woven fabric treated by the moisture absorption finishing process (1) is adopted; (3) and printing paste is used for the nylon 66 filament woven fabric treated by adopting a setting machine with two padding steps and two warp padding steps (2). The corona discharge treatment is used for acting on the shallow layer on the surface of the nylon 66 filament woven fabric, so that adverse effects on the body performance of the nylon 66 filament woven fabric are effectively avoided, and the cleaning efficiency is further improved; the acidic digital printing manufacturing process for the nylon 66 filament woven fabric has the effects of improving the color yield and the color vividness of the nylon 66 filament woven fabric and reducing the surface floating color.

Description

Acid digital printing manufacturing process for nylon 66 filament woven fabric
Technical Field
The invention relates to the technical field of digital printing, in particular to an acidic digital printing manufacturing process for nylon 66 filament woven fabric.
Background
Nylon, also known as nylon or polyamide fiber, has excellent performance. In terms of molecular structure, the molecular structure of the nylon is very compact, the wear resistance of single fiber is about 4 times that of terylene, the moisture absorption rate is higher, and the moisture absorption rates of nylon 6 and nylon 66 are respectively 4.0 percent and 4.2 percent in a standard state and are much higher than that of terylene.
Compared with terylene, the softening point of nylon is lower, wherein nylon 6 is 180 ℃ and nylon 66 is 230 ℃. Because nylon belongs to polycondensate fibers, nylon 6 is easier to dye but not as stable in color fastness as nylon 66, nylon 6 is used for clothing and nylon 66 is used for industrial purposes. Digital printing of chinlon, especially digital printing of chinlon 66, has been a difficult problem.
Aiming at the difference between the nylon 66 and the nylon 6, the nylon 66 has higher strength, is quickly solidified when cooled after being melted, is not easy to color and has compact crystalline tissue structure. Specifically, nylon 66 of the individual fibers is finer than nylon 6 and nylon 66 is 12% harder than nylon 6 in terms of strength and stiffness. And in theory, the higher the hardness, the more brittle the fiber, i.e., the more likely it is to fracture; in particular to the hand feeling, the nylon 66 has compact hand feeling, the nylon 6 has softer hand feeling, and the fabric formed by the nylon 66 is compact and fine, has the effects of comfortable hand feeling and high strength, and is widely applied to military materials; in particular to the dyeing property, nylon 6 has small strength and softer, is slower to solidify when cooled after melting, has loose crystalline tissue structure and simple coloring, and nylon 66 has larger strength and is quickly solidified when cooled after melting, is generally applicable to high-grade clothing fabrics, and has the characteristics of less easiness in coloring and compact crystalline tissue structure; specifically, the melting point and elasticity of nylon 6 are 220 ℃, the melting point of nylon 66 is 260 ℃, and the lower melting point enables nylon 6 to have better rebound resilience, fatigue resistance and thermal stability compared with nylon 66.
In the prior art, the nylon 66 filament woven fabric is difficult to penetrate ink due to smooth surface and higher fabric density, and has long digital printing process, more details and urgent need to precisely control each process to avoid the problems of affecting the definition, color depth, light-dark contrast and flower-like three-dimensional effect of the printed pattern, and needs to be improved.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide the acid digital printing manufacturing process for the nylon 66 filament woven fabric, which has the effects of improving the color yield and the color vividness of the nylon 66 filament woven fabric and reducing the surface flooding.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the acid digital printing production process of the nylon 66 filament woven fabric comprises the steps of pretreatment, spray printing, steaming, washing and after-finishing which are sequentially carried out; the pretreatment comprises the following steps: (1) removing surface sizing agent and impurities of the nylon 66 filament woven fabric by adopting cold piling and corona; (2) the nylon 66 filament yarn woven fabric treated by the moisture absorption finishing process (1) is adopted; (3) and printing paste is used for the nylon 66 filament woven fabric treated by adopting a setting machine with two padding steps and two warp padding steps (2).
By adopting the technical scheme, the nylon 66 filament woven fabric is subjected to pretreatment and then subsequent jet printing, steaming, washing and after-finishing, so that the pretreated nylon 66 filament woven fabric is subjected to corona discharge treatment with weak penetrating power on the nylon 66 filament woven fabric, and the corona discharge only acts on a shallow layer on the surface of the nylon 66 filament woven fabric, thereby effectively avoiding adverse effects on the body performance of the nylon 66 filament woven fabric and being beneficial to further improving the cleaning efficiency; meanwhile, the nylon 66 filament woven fabric subjected to corona discharge treatment is fully contacted with a medicament in cold piling treatment, so that fibers in the nylon 66 filament woven fabric are fully expanded and twist is released under a flat and loose condition, and the problem that the nylon 66 filament woven fabric is wrinkled when the tension is different is solved; the penetration of the sizing agent is promoted when the nylon 66 filament woven fabric is subjected to moisture absorption finishing, so that the penetration capacity of the sizing agent to the nylon 66 filament woven fabric in the subsequent process is promoted; the film forming uniformity and full permeation of the printing paste are ensured through the two-padding operation sizing, and the pretreatment of the digital printing sizing promotes the perfect fixation of the acid ink on the printing fabric, so that the acid digital printing manufacturing process of the nylon 66 filament woven fabric has the effects of improving the color yield and the color vividness of the nylon 66 filament woven fabric and reducing the surface floating color.
The invention is further provided with: the spray printing is to complete a printing process on the surface of the pretreated nylon 66 filament woven fabric by adopting a digital printing machine using acid ink; the steaming is to adopt a long-loop steamer to steam and color the nylon 66 filament woven fabric subjected to jet printing, and the steaming temperature is controlled to be 108-110 ℃ and the steaming time is controlled to be 18-23 minutes; the post-finishing is to adopt a waterproof agent to carry out surface waterproof treatment and functional coating processing.
By adopting the technical scheme, the acid digital printing manufacturing process for the nylon 66 filament woven fabric has the effects of improving the color yield and the color vividness of the nylon 66 filament woven fabric and reducing surface flooding.
The invention is further provided with: the water washing is open-width water washing treatment; wherein, a, cleaning with cold water is carried out in sequence: cleaning with 1-2g/L sodium carbonate for 10-15min; b. and (3) soaping: the soaping agent with concentration of 1-2g/L is adopted, and the temperature is controlled to be 40 ℃ and is kept for 15-20min.
By adopting the technical scheme, the steaming nylon 66 filament woven fabric is effectively washed with the surface and the fiber, so that the surface waterproof treatment and the functional coating processing can be effectively realized in the after-finishing step.
The invention is further provided with: in the step (1), the cold piling is sequentially performed by liquid preparation and cold piling machine cold rolling treatment, normal-temperature piling for 12-24 hours, pre-washing at 70 ℃, normal-temperature water washing and drying; the liquid preparation specifically comprises a penetrating agent with the concentration of 5-8g/L, hydrogen peroxide with the concentration of 5-8g/L and desizing and refining enzyme with the concentration of 16-18 g/L; the pre-washing at 70 ℃ is carried out by adopting 10-12g/L hydrogen peroxide.
By adopting the technical scheme, the permeation of hydrogen peroxide and desizing refining enzyme to the nylon 66 filament woven fabric is ensured to be rapid by the penetrating agent, and the consistency of the inner and outer belt liquor of the fiber of the nylon 66 filament woven fabric is ensured; meanwhile, the effect of the liquid on the fibers of the nylon 66 filament woven fabric is soft and uniform, so that the quality difference between batches is effectively avoided; in the normal-temperature sealing stacking process, the effective decomposition of hydrogen peroxide is convenient to control, so that the refining process is mild, uniform and thorough, the damage to the fiber of the nylon 66 filament woven fabric is small, and the capillary effect of each point is uniform; the fiber physical index of the nylon 66 filament woven fabric is effectively prevented from being reduced, the quality difference of the nylon 66 filament woven fabric is overcome, and the reproducibility and the primary success rate of digital printing are further improved.
The invention is further provided with: in the step (1), corona treatment is carried out on nylon 66 filament woven fabric by adopting corona equipment, and the current of the corona equipment is controlled to be 1-5A, the power is controlled to be 100-150W and the treatment time is controlled to be 30-60S; and cold rolling the corona nylon 66 filament woven fabric by a cold pad-batch machine.
By adopting the technical scheme, the nylon 66 filament woven fabric subjected to corona discharge treatment is fully contacted with the medicament in cold piling treatment, so that the fibers in the nylon 66 filament woven fabric are fully expanded and twist is released under the condition of smoothness and relaxation, and the problem that the nylon 66 filament woven fabric is wrinkled when the tension is different is solved.
The invention is further provided with: in the step (2), the moisture absorption and finishing are moisture absorption and perspiration setting by adopting a setting machine, chemical moisture absorption and perspiration auxiliary agents with the concentration of 10g/L are adopted, the pressure is controlled to be 0.4Kgf/cm < 2 >, the setting temperature is 150-160 ℃, and the setting time is 1 minute.
By adopting the technical scheme, the moisture absorption finishing plays a role in effectively improving the limit penetration capacity of the nylon 66 filament woven fabric, so that the penetration and fixation effects of acid ink are improved, and the nylon 66 filament woven fabric acid digital printing manufacturing process has the effects of improving the color yield and color vividness of the nylon 66 filament woven fabric and reducing surface flooding.
The invention is further provided with: in the step (3), sizing dye is adopted to mix 1-3% of ammonium sulfate and 2-4% of urea according to the mass ratio as base slurry, and the mass ratio of the sizing dye to the base slurry is 1:3, adding deionized water to obtain printing paste for printing paste; the viscosity of the printing paste is 800-1000mPa.s, and the PH of the base paste is 4-6; and the temperature of the printing paste is 25 ℃, and after the printing paste is applied, the drying operation is carried out, wherein the temperature of the drying operation is 120-130 ℃, and the vehicle speed is 10m/min.
By adopting the technical scheme, urea plays a role in remarkably improving the permeability of acid ink, and the contact time of the nylon 66 filament woven fabric and printing paste is prolonged by combining two padding operation steps, so that when the printing paste with the viscosity of 800-1000mPa.s is permeated into the fibers of the nylon 66 filament woven fabric, the uniformity of surface film formation is improved by acting force of a press roller, and the effects of improving the color yield and the color vividness of the nylon 66 filament woven fabric and reducing surface flooding are achieved.
The invention is further provided with: the cold stacker comprises a liquid storage soaking box, wherein tension adjusting mechanisms are arranged on two sides of the liquid storage soaking box; two ends of the two tension adjusting mechanisms are respectively connected with a fabric feeding roller positioned outside the liquid storage soaking box and a lifting tensioning roller positioned in the liquid storage soaking box; the fabric feeding roller is used for placing fabric to be subjected to cold rolling treatment and rotates when the traction roller pulls the nylon 66 filament woven fabric to move; the tension adjusting mechanisms are respectively fixed on the outer side walls of the corresponding sides of the liquid storage soaking box, and box body vertical grooves which are used for the lifting tensioning rollers to penetrate out and are connected with the tension adjusting mechanisms are arranged on the corresponding two sides of the liquid storage soaking box body; and driving parts which are respectively connected with the corresponding tension adjusting mechanisms and drive the lifting tensioning roller to vertically lift and reciprocate are arranged at two ends of the fabric feeding roller.
Through adopting above-mentioned technical scheme, the surface fabric feed roller is used for placing the surface fabric of waiting cold rolling treatment, and then when the pull roll pulls the nylon 66 filament tatting surface fabric removal, make the surface fabric feed roller make circumferential rotation motion when releasing the nylon 66 filament tatting surface fabric, in order to make the surface fabric feed roller in the rotation process when connecting tension adjustment mechanism, realize the effect that the vertical lift reciprocating motion is made to the lift tensioning roller, in order to reach the purpose that makes the nylon 66 filament tatting surface fabric be in low tension running state in the cold rolling treatment, make the fiber of nylon 66 filament tatting surface fabric fully expand and twist release under the condition of flattening and lax, in order to effectively solve the problem that the fold that nylon 66 filament tatting surface fabric produced because of the tension is different or tension is high, thereby show the promotion contact feel.
The invention is further provided with: the driving piece is a driving gear, and the tension adjusting structure comprises a connecting bracket fixed on the outer side wall of the liquid storage soaking box, a sliding support fixed on the connecting bracket and a lifting swing arm connected with the sliding support in a vertical rotating way; two ends of the lifting swing arm are provided with hinged end parts for up-and-down rotation connection;
A vertical limiting part is arranged at one end, close to the lifting tensioning roller, of the connecting bracket, and a lifting vertical groove is arranged in the vertical limiting part; the lifting block is connected with the corresponding end of the lifting tensioning roller in a rotating way;
one end of the connecting bracket, which is close to the fabric feeding roller, is rotationally connected with a transmission gear, the transmission gear is rotationally connected with an eccentric rotating column fixed with the connecting bracket, and one side of the transmission gear is provided with a concentric circular groove; the hinged end part close to the fabric feeding roller is inserted into the circular groove and swings up and down; the driving gear is connected with a driving belt for driving the driving gear to do circumferential rotation movement by taking the eccentric rotating column as an axis.
Through the technical scheme, the driving gear drives the driving gear to do circumferential rotation movement by taking the eccentric rotating column as an axis through the driving belt, and then the hinged end part spliced in the circular groove is enabled to do up-and-down swinging movement by taking the rotationally connected sliding support as the rotating shaft along with the eccentric rotation of the driving gear, and further the connecting swing arm which drives the other hinged end part to rotate up-and-down is enabled to drive the lifting block to do vertical lifting movement in the lifting vertical groove, so that the lifting tension roller is enabled to enable the fabric feeding roller to do further rotation in the lifting process, the purpose that the nylon 66 filament woven fabric passing through the lifting tension roller is in a low-tension running state in the cold rolling treatment process is achieved, the fiber of the nylon 66 filament woven fabric is fully expanded and twist released under the condition of being flat and loose, the problem that the nylon 66 filament woven fabric is wrinkled due to different tension or high tension is solved, and the contact hand feeling is remarkably improved, and the nylon 66 filament woven fabric acid printing technology has the effect of improving the color yield and the color and luster of the nylon 66 filament woven fabric and the effect of reducing the surface color.
The invention is further provided with: a sliding transverse groove is formed between two ends of the connecting support, and the sliding support is inserted into the sliding transverse groove and reciprocates along the length direction of the sliding transverse groove; a threaded rod with one end penetrating out of the connecting bracket is inserted into the sliding transverse groove, the eccentric rotating column is fixedly connected with a concentric synchronous worm wheel, and the synchronous worm wheel is meshed with the threaded rod; the lifting swing arm is provided with an adjusting long groove along the length direction, the sliding support is provided with a stand column, and the stand column is provided with an inserting rotary shaft column inserted into the adjusting long groove.
By adopting the technical scheme, the driving gear rotates in the rotating process of the fabric feeding roller, and as the traction roller keeps the moving linear speed of the nylon 66 filament woven fabric, the rotating speed of the fabric feeding roller is gradually increased, namely along with the feeding of the nylon 66 filament woven fabric, the nylon 66 filament woven fabric released by the driving gear in the rotating process is gradually reduced, so that the sliding support is made to move far away from one end of the fabric feeding roller in the rotating process of the synchronous worm wheel driving the threaded rod, the up-down swing amplitude of the hinged end part close to one end of the fabric feeding roller is gradually reduced while the up-down swing amplitude of the hinged end part of the other end is kept consistent, and the purpose of effectively adjusting the tension adjustment degree is achieved.
In summary, the invention has the following beneficial effects: the pretreatment is firstly carried out on the nylon 66 filament woven fabric, and then the subsequent jet printing, steaming, washing and finishing are carried out, so that the pretreated nylon 66 filament woven fabric is firstly subjected to corona discharge treatment with weak penetrating power on the nylon 66 filament woven fabric, and the corona discharge only acts on a shallow layer on the surface of the nylon 66 filament woven fabric, thereby effectively avoiding adverse effects on the body performance of the nylon 66 filament woven fabric and being beneficial to further improving the cleaning efficiency; meanwhile, the nylon 66 filament woven fabric subjected to corona discharge treatment is fully contacted with a medicament in cold piling treatment, so that fibers in the nylon 66 filament woven fabric are fully expanded and twist is released under a flat and loose condition, and the problem that the nylon 66 filament woven fabric is wrinkled when the tension is different is solved; the penetration of the sizing agent is promoted when the nylon 66 filament woven fabric is subjected to moisture absorption finishing, so that the penetration capacity of the sizing agent to the nylon 66 filament woven fabric in the subsequent process is promoted; sizing is performed through two-dip two-pad operation, so that the film forming uniformity and full permeation of printing sizing agent are ensured, and the pretreatment of digital printing sizing promotes the perfect fixation of acid ink on printing fabric; the cold piling is sequentially performed with liquid preparation and cold piling machine cold rolling treatment, normal temperature piling for 12-24h, pre-washing at 70 ℃, normal temperature washing and drying, and the driving gear rotates in the process of rotating the fabric feeding roller, as the traction roller keeps the moving linear speed of the nylon 66 filament woven fabric, the rotating speed of the fabric feeding roller is gradually increased, namely, along with the feeding of the nylon 66 filament woven fabric, the nylon 66 filament woven fabric released by the driving gear in the rotating process is gradually reduced, so that the sliding support moves far from one end of the fabric feeding roller in the process of driving the threaded rod to rotate by the synchronous worm gear, the up-down swinging amplitude of the hinged end close to one end of the fabric feeding roller is gradually reduced, and the purpose of effectively adjusting the tension adjustment degree is achieved.
Drawings
FIG. 1 is a schematic view showing a partial structure of a cold stacker of the present embodiment;
fig. 2 is a schematic structural view of the tension adjusting mechanism of the present embodiment;
fig. 3 is a partial schematic structural view of the tension adjusting mechanism of the present embodiment.
Reference numerals illustrate: 1. a liquid storage soaking box; 11. a box body vertical groove; 2. a tension adjusting mechanism; 21. a face fabric feed roller; 211. a drive gear; 22. a drive belt; 23. lifting the tensioning roller; 24. a connecting bracket; 241. a sliding transverse groove; 242. a vertical limit part; 243. lifting vertical grooves; 25. a transmission gear; 251. a synchronous worm wheel; 252. a circular groove; 253. an eccentric rotating column; 26. lifting swing arms; 261. adjusting the long groove; 262. a hinged end; 27. a sliding support; 271. a column; 272. inserting a rotary shaft column; 273. a threaded rod; 28. connecting a swing arm; 29. a lifting block; 3. and a steering guide roller.
Detailed Description
In order to make the technical solution and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings, wherein it is apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
It should be mentioned that the chemical moisture absorption and sweat releasing auxiliary agent in the technical scheme of the application is a topological chemical moisture absorption and sweat releasing auxiliary agent; the sizing dye is SkillfulPL-150, a slurry of Guangzhou good technology company.
The acid digital printing manufacturing process of the nylon 66 filament woven fabric of the application is specifically described below:
the acid digital printing production process of the nylon 66 filament woven fabric comprises the steps of pretreatment, spray printing, steaming, washing and after-finishing which are sequentially carried out; the pretreatment comprises the following steps: (1) removing surface sizing agent and impurities of the nylon 66 filament woven fabric by adopting cold piling and corona; (2) the nylon 66 filament yarn woven fabric treated by the moisture absorption finishing process (1) is adopted; (3) and printing paste is used for the nylon 66 filament woven fabric treated by adopting a setting machine with two padding steps and two warp padding steps (2). Therefore, the nylon 66 filament woven fabric is subjected to pretreatment and then subsequent jet printing, steaming, washing and finishing, so that the pretreated nylon 66 filament woven fabric is subjected to corona discharge treatment with weak penetrating power on the nylon 66 filament woven fabric, and the corona discharge only acts on a shallow layer on the surface of the nylon 66 filament woven fabric, thereby effectively avoiding adverse effects on the body performance of the nylon 66 filament woven fabric and being beneficial to further improving the cleaning efficiency; meanwhile, the nylon 66 filament woven fabric subjected to corona discharge treatment is fully contacted with a medicament in cold piling treatment, so that fibers in the nylon 66 filament woven fabric are fully expanded and twist is released under a flat and loose condition, and the problem that the nylon 66 filament woven fabric is wrinkled when the tension is different is solved; the penetration of the sizing agent is promoted when the nylon 66 filament woven fabric is subjected to moisture absorption finishing, so that the penetration capacity of the sizing agent to the nylon 66 filament woven fabric in the subsequent process is promoted; the film forming uniformity and full permeation of the printing paste are ensured through the two-padding operation sizing, and the pretreatment of the digital printing sizing promotes the perfect fixation of the acid ink on the printing fabric, so that the acid digital printing manufacturing process of the nylon 66 filament woven fabric has the effects of improving the color yield and the color vividness of the nylon 66 filament woven fabric and reducing the surface floating color.
Wherein, the spray printing is to adopt a digital printing machine using acid ink to finish the printing process on the surface of the pretreated nylon 66 filament woven fabric; steaming to obtain a color by adopting a long-loop steamer, wherein the color is formed by steaming the jet-printed nylon 66 filament woven fabric, the steaming temperature is controlled to be 108-110 ℃, and the steaming time is controlled to be 18-23 minutes; the water washing is open-width water washing treatment; wherein, a, cleaning with cold water is carried out in sequence: cleaning with 1-2g/L sodium carbonate for 10-15min; b. and (3) soaping: adopting soaping agent with concentration of 1-2g/L, controlling temperature at 40deg.C for 15-20min; the post-finishing is to adopt a waterproof agent to carry out surface waterproof treatment and functional coating processing. Therefore, the steaming nylon 66 filament woven fabric is effectively washed by water for surface and fiber, so that the surface waterproof treatment and functional coating processing can be effectively realized in the after-finishing step, and the acidic digital printing manufacturing process of the nylon 66 filament woven fabric has the effects of improving the color yield and the color vividness of the nylon 66 filament woven fabric and reducing the surface flooding.
It should be mentioned that in the step (1) of pretreatment, the cold piling is the liquid preparation and cold piling machine cold rolling treatment, normal temperature piling for 12-24 hours, 70 ℃ pre-washing, normal temperature water washing and drying which are sequentially carried out; the liquid preparation specifically comprises a penetrating agent with the concentration of 5-8g/L, hydrogen peroxide with the concentration of 5-8g/L and desizing and refining enzyme with the concentration of 16-18 g/L; the pre-washing at 70 ℃ is carried out by adopting 10-12g/L hydrogen peroxide. Therefore, the permeation of hydrogen peroxide and desizing refining enzyme to the nylon 66 filament woven fabric is ensured to be rapid through the penetrating agent, and the consistency of the inner and outer belt liquid of the fiber of the nylon 66 filament woven fabric is ensured; meanwhile, the effect of the liquid on the fibers of the nylon 66 filament woven fabric is soft and uniform, so that the quality difference between batches is effectively avoided; in the normal-temperature sealing stacking process, the effective decomposition of hydrogen peroxide is convenient to control, so that the refining process is mild, uniform and thorough, the damage to the fiber of the nylon 66 filament woven fabric is small, and the capillary effect of each point is uniform; the fiber physical index of the nylon 66 filament woven fabric is effectively prevented from being reduced, the quality difference of the nylon 66 filament woven fabric is overcome, and the reproducibility and the primary success rate of digital printing are further improved. Meanwhile, corona treatment is carried out on the nylon 66 filament woven fabric by adopting corona equipment in the step (1), and the current of the corona equipment is controlled to be 1-5A, the power is controlled to be 100-150W and the treatment time is controlled to be 30-60S; and the corona nylon 66 filament woven fabric is subjected to cold rolling treatment by a cold pad-batch machine, so that the corona nylon 66 filament woven fabric is fully contacted with a medicament in the cold pad-batch treatment, and the fibers in the nylon 66 filament woven fabric are fully expanded and twist released under the condition of being flat and loose, thereby solving the problem that the nylon 66 filament woven fabric is wrinkled when the tension is different.
In the pretreatment step (2), the moisture absorption and finishing are performed by adopting a setting machine to perform moisture absorption and perspiration setting, and chemical moisture absorption and perspiration auxiliary agents with the concentration of 10g/L are adopted, and the pressure is controlled to be 0.4Kgf/cm < 2 >, the setting temperature is 150-160 ℃, and the setting time is 1 minute. The moisture absorption finishing plays a role in effectively improving the limit penetration capacity of the nylon 66 filament woven fabric, so that the penetration and fixation effects of acid ink are improved, and the nylon 66 filament woven fabric acid digital printing manufacturing process has the effects of improving the color yield and the color vividness of the nylon 66 filament woven fabric and reducing surface flooding. In the pretreatment step (3), sizing dye is adopted to mix 1-3% of ammonium sulfate and 2-4% of urea according to the mass ratio as base slurry, and the mass ratio of the sizing dye to the base slurry is 1:3, adding deionized water to obtain printing paste for printing paste; the viscosity of the printing paste is 800-1000mPa.s, and the PH of the base paste is 4-6; and the temperature of the printing paste is 25 ℃, and after the printing paste is applied, the drying operation is carried out, wherein the temperature of the drying operation is 120-130 ℃, and the vehicle speed is 10m/min. The urea plays a role in remarkably improving the permeability of acid ink, and the contact time of the nylon 66 filament woven fabric and the printing paste is prolonged by combining two padding operation steps, so that when the printing paste with the viscosity of 800-1000mPa.s is permeated into the fibers of the nylon 66 filament woven fabric, the uniformity of surface film formation is improved through the acting force of a pressing roller, and the effects of improving the color yield and the color vividness of the nylon 66 filament woven fabric and reducing surface flooding are achieved.
As shown in fig. 1, 2 and 3, a cold stacker used in a cold stacking process includes a liquid storage soaking tank 1. Tension adjusting mechanisms 2 are arranged on two sides of the liquid storage soaking box 1. Two ends of the two tension adjusting mechanisms 2 are respectively connected with a fabric feeding roller 21 positioned outside the liquid storage soaking box 1 and a lifting tensioning roller 23 positioned in the liquid storage soaking box 1. The fabric feeding roller 21 is used for placing fabric to be subjected to cold rolling treatment and rotates when the traction roller pulls the nylon 66 filament woven fabric to move. The tension adjusting mechanisms 2 are respectively fixed on the outer side walls of the corresponding sides of the liquid storage soaking box 1, and box body vertical grooves 11 which are used for the lifting tension rollers 23 to penetrate out and are connected with the tension adjusting mechanisms 2 are arranged on the corresponding two sides of the liquid storage soaking box 1. It should be noted that driving members which are respectively connected with the corresponding tension adjusting mechanisms 2 and drive the lifting tensioning roller 23 to vertically lift and reciprocate are arranged at both ends of the fabric feeding roller 21. Therefore, when the nylon 66 filament woven fabric to be subjected to cold rolling treatment is placed on the fabric feeding roller 21, and the pulling roller pulls the nylon 66 filament woven fabric to move, the fabric feeding roller 21 performs circumferential rotation movement while releasing the nylon 66 filament woven fabric, and the fabric feeding roller 21 in the rotation process is connected with the tension adjusting mechanism 2, so that the effect of driving the lifting tensioning roller 23 to perform vertical lifting reciprocating movement is achieved, the aim of enabling the nylon 66 filament woven fabric to be in a low-tension running state in the cold rolling treatment is achieved, the fibers of the nylon 66 filament woven fabric are fully expanded and twist released under a flat and loose condition, and the problem of wrinkling of the nylon 66 filament woven fabric due to different or high tension is effectively solved, and the contact hand feeling is remarkably improved.
The driving member is a driving gear 211. The tension adjusting structure comprises a connecting bracket 24 fixed on the outer side wall of the liquid storage soaking tank 1, a sliding support 27 fixed on the connecting bracket 24 and a lifting swing arm 26 connected with the sliding support 27 in an up-and-down rotating way, and hinged end parts 262 used for the up-and-down rotating connection are arranged at two ends of the lifting swing arm 26.
Wherein, one end of the connecting bracket 24, which is close to the lifting tensioning roller 23, is provided with a vertical limiting part 242. A lifting vertical groove 243 is provided in the vertical limiting portion 242. Meanwhile, the hinged end 262 close to the lifting tensioning roller 23 is connected with a connecting swing arm 28 in a vertical rotating manner, and the lower end of the connecting swing arm 28 is connected with a lifting block 29 inserted in the lifting vertical groove 243 in a vertical lifting manner in a vertical rotating manner. The lifting block 29 is rotatably connected to the corresponding end of the lifting tension roller 23.
A transmission gear 25 is rotatably connected to one end of the connecting bracket 24, which is close to the fabric feeding roller 21. The transmission gear 25 is rotatably coupled to an eccentric rotation column 253 fixed to the coupling bracket 24, and is provided at one side thereof with a concentric circular groove 252. The hinged end 262 adjacent the face stock roll 21 is inserted into the circular recess 252 and is oscillated up and down. The drive gear 211 is connected to a transmission belt 22 for driving the transmission gear 25 to perform a circumferential rotational movement about the eccentric rotational post 253 as an axis. Therefore, when the driving gear 211 drives the driving gear 25 to do circumferential rotation movement with the eccentric rotation column 253 as an axis through the driving belt 22, the hinged end 262 inserted in the circular groove 252 swings up and down with the rotationally connected sliding support 27 as a rotation axis along with the eccentric rotation of the driving gear 25, so as to further drive the connecting swing arm 28 which drives the other hinged end 262 to rotate up and down to drive the lifting block 29 to do vertical lifting movement in the lifting vertical groove 243, so that the lifting tension roller 23 drives the fabric feeding roller 21 to do further rotation in the lifting process, thereby achieving the purpose of enabling the nylon 66 filament woven fabric passing through the lifting tension roller 23 to be in a low tension running state in the cold rolling treatment process, enabling the fiber of the nylon 66 filament woven fabric to be fully expanded and twist released under the condition of smoothness and relaxation, effectively solving the problem of wrinkles generated by the nylon 66 filament woven fabric due to different tensions or high tension, and remarkably improving contact, and enabling the acidic digital manufacturing process of the nylon 66 filament woven fabric to have the effects of improving the color and luster of the nylon 66 filament woven fabric and reducing the surface color and luster.
A sliding cross groove 241 is provided between both ends of the connection bracket 24. The sliding support 27 is inserted into the sliding transverse groove 241 and reciprocates along the length direction of the sliding transverse groove 241. A threaded rod 273 having one end penetrating from the inside of the connecting bracket 24 is inserted into the sliding horizontal groove 241, and the eccentric rotation column 253 is fixedly connected with the concentric synchronous worm wheel 251. The synchronizing worm gear 251 is engaged with the threaded rod 273. Wherein, the lifting swing arm 26 is provided with an adjusting long groove 261 along the length direction. Correspondingly, a column 271 is provided on the slide support 27, and the column 271 is provided with a plug-in rotary shaft 272 inserted into the adjustment slot 261. Therefore, the driving gear 211 rotates during the rotation of the fabric feeding roller 21, and the traction roller keeps the moving linear speed of the nylon 66 filament woven fabric, so that the rotating speed of the fabric feeding roller 21 is gradually increased, that is, along with the feeding of the nylon 66 filament woven fabric, the nylon 66 filament woven fabric released by the driving gear 211 during one rotation is gradually reduced, so that the sliding support 27 moves far from one end of the fabric feeding roller 21 during the rotation of the threaded rod 273 driven by the synchronous worm gear 251, and the up-down swing amplitude of the hinged end 262 close to one end of the fabric feeding roller 21 is gradually reduced while the up-down swing amplitude of the hinged end 262 at the other end is kept consistent, thereby achieving the purpose of effectively adjusting the tension adjustment degree, and having the effects of flexibility, high efficiency and strong adaptability.
Meanwhile, a steering guide roller 3 is arranged on the upper side of one end of the liquid storage soaking box 1, which is close to the fabric feeding roller 21, so that the feeding difficulty is reduced by fixing the fabric feeding roller 21 on the lower side of one end of the liquid storage soaking box 1, and the rotating guide roller is enabled to effectively rotate and guide the feeding of the nylon 66 filament woven fabric.
Example 1
The acid digital printing production process of the nylon 66 filament woven fabric comprises the steps of pretreatment, spray printing, steaming, washing and after-finishing which are sequentially carried out; the pretreatment comprises the following steps: (1) removing surface sizing agent and impurities of the nylon 66 filament woven fabric by adopting cold piling and corona; (2) the nylon 66 filament yarn woven fabric treated by the moisture absorption finishing process (1) is adopted; (3) and printing paste is used for the nylon 66 filament woven fabric treated by adopting a setting machine with two padding steps and two warp padding steps (2). Therefore, the nylon 66 filament woven fabric is subjected to pretreatment and then subsequent jet printing, steaming, washing and finishing, so that the pretreated nylon 66 filament woven fabric is subjected to corona discharge treatment with weak penetrating power on the nylon 66 filament woven fabric, and the corona discharge only acts on a shallow layer on the surface of the nylon 66 filament woven fabric, thereby effectively avoiding adverse effects on the body performance of the nylon 66 filament woven fabric and being beneficial to further improving the cleaning efficiency; meanwhile, the nylon 66 filament woven fabric subjected to corona discharge treatment is fully contacted with a medicament in cold piling treatment, so that fibers in the nylon 66 filament woven fabric are fully expanded and twist is released under a flat and loose condition, and the problem that the nylon 66 filament woven fabric is wrinkled when the tension is different is solved; the penetration of the sizing agent is promoted when the nylon 66 filament woven fabric is subjected to moisture absorption finishing, so that the penetration capacity of the sizing agent to the nylon 66 filament woven fabric in the subsequent process is promoted; the film forming uniformity and full permeation of the printing paste are ensured through the two-padding operation sizing, and the pretreatment of the digital printing sizing promotes the perfect fixation of the acid ink on the printing fabric, so that the acid digital printing manufacturing process of the nylon 66 filament woven fabric has the effects of improving the color yield and the color vividness of the nylon 66 filament woven fabric and reducing the surface floating color.
Wherein, the spray printing is to adopt a digital printing machine using acid ink to finish the printing process on the surface of the pretreated nylon 66 filament woven fabric; steaming to obtain a color by adopting a long-loop steamer, wherein the color is formed by steaming the jet-printed nylon 66 filament woven fabric, the steaming temperature is controlled to be 108 ℃, and the steaming time is controlled to be 18 minutes; the water washing is open-width water washing treatment; wherein, a, cleaning with cold water is carried out in sequence: cleaning with 1g/L sodium carbonate for 10min; b. and (3) soaping: adopting soaping agent with concentration of 1g/L, controlling the temperature to 40 ℃ and lasting for 15min; the post-finishing is to adopt a waterproof agent to carry out surface waterproof treatment and functional coating processing. Therefore, the steaming nylon 66 filament woven fabric is effectively washed by water for surface and fiber, so that the surface waterproof treatment and functional coating processing can be effectively realized in the after-finishing step, and the acidic digital printing manufacturing process of the nylon 66 filament woven fabric has the effects of improving the color yield and the color vividness of the nylon 66 filament woven fabric and reducing the surface flooding.
It should be mentioned that in the step (1) of pretreatment, the cold piling is the liquid preparation and cold piling machine cold rolling treatment, normal temperature piling for 12 hours, 70 ℃ pre-washing, normal temperature water washing and drying which are sequentially carried out; the liquid preparation specifically comprises a penetrating agent with the concentration of 5g/L, hydrogen peroxide with the concentration of 5g/L and desizing and refining enzyme with the concentration of 16 g/L; the pre-washing at 70 ℃ is carried out by adopting 10g/L hydrogen peroxide. Therefore, the permeation of hydrogen peroxide and desizing refining enzyme to the nylon 66 filament woven fabric is ensured to be rapid through the penetrating agent, and the consistency of the inner and outer belt liquid of the fiber of the nylon 66 filament woven fabric is ensured; meanwhile, the effect of the liquid on the fibers of the nylon 66 filament woven fabric is soft and uniform, so that the quality difference between batches is effectively avoided; in the normal-temperature sealing stacking process, the effective decomposition of hydrogen peroxide is convenient to control, so that the refining process is mild, uniform and thorough, the damage to the fiber of the nylon 66 filament woven fabric is small, and the capillary effect of each point is uniform; the fiber physical index of the nylon 66 filament woven fabric is effectively prevented from being reduced, the quality difference of the nylon 66 filament woven fabric is overcome, and the reproducibility and the primary success rate of digital printing are further improved. Meanwhile, corona treatment is carried out on the nylon 66 filament woven fabric by adopting corona equipment in the step (1), and the current of the corona equipment is controlled to be 1A, the power is controlled to be 100W and the treatment time is controlled to be 30S; and the corona nylon 66 filament woven fabric is subjected to cold rolling treatment by a cold pad-batch machine, so that the corona nylon 66 filament woven fabric is fully contacted with a medicament in the cold pad-batch treatment, and the fibers in the nylon 66 filament woven fabric are fully expanded and twist released under the condition of being flat and loose, thereby solving the problem that the nylon 66 filament woven fabric is wrinkled when the tension is different.
In the pretreatment step (2), the moisture absorption and finishing are moisture absorption and perspiration setting by adopting a setting machine, chemical moisture absorption and perspiration auxiliary agents with the concentration of 10g/L are adopted, the pressure is controlled to be 0.4Kgf/cm < 2 >, the setting temperature is 150 ℃, and the setting time is 1 minute. The moisture absorption finishing plays a role in effectively improving the limit penetration capacity of the nylon 66 filament woven fabric, so that the penetration and fixation effects of acid ink are improved, and the nylon 66 filament woven fabric acid digital printing manufacturing process has the effects of improving the color yield and the color vividness of the nylon 66 filament woven fabric and reducing surface flooding. In the pretreatment step (3), sizing dye is adopted to mix ammonium sulfate with the mass ratio of 1% and urea with the mass ratio of 2% as base slurry, and the mass ratio of the sizing dye to the base slurry is 1:3, adding deionized water to obtain printing paste for printing paste; the viscosity of the printing paste is 800mPa.s, and the pH of the base paste is 4; and the temperature of the printing paste is 25 ℃, and after the printing paste is finished, the drying operation is carried out, wherein the temperature of the drying operation is 120 ℃, and the vehicle speed is 10m/min. The urea plays a role in remarkably improving the permeability of acid ink, and the contact time of the nylon 66 filament woven fabric and printing slurry is prolonged by combining two padding operation steps, so that when the printing slurry with viscosity of 800mPa.s is permeated into the fibers of the nylon 66 filament woven fabric, the uniformity of surface film formation is improved through the acting force of a pressing roller, and the effects of improving the color yield and the color vividness of the nylon 66 filament woven fabric and reducing surface flooding are achieved.
As shown in fig. 1, a cold stacker used in a cold stacking process includes a liquid storage soaking tank 1. Tension adjusting mechanisms 2 are arranged on two sides of the liquid storage soaking box 1. Two ends of the two tension adjusting mechanisms 2 are respectively connected with a fabric feeding roller 21 positioned outside the liquid storage soaking box 1 and a lifting tensioning roller 23 positioned in the liquid storage soaking box 1. The fabric feeding roller 21 is used for placing fabric to be subjected to cold rolling treatment and rotates when the traction roller pulls the nylon 66 filament woven fabric to move. The tension adjusting mechanisms 2 are respectively fixed on the outer side walls of the corresponding sides of the liquid storage soaking box 1, and box body vertical grooves 11 which are used for the lifting tension rollers 23 to penetrate out and are connected with the tension adjusting mechanisms 2 are arranged on the corresponding two sides of the liquid storage soaking box 1. It should be noted that driving members which are respectively connected with the corresponding tension adjusting mechanisms 2 and drive the lifting tensioning roller 23 to vertically lift and reciprocate are arranged at both ends of the fabric feeding roller 21. Therefore, when the nylon 66 filament woven fabric to be subjected to cold rolling treatment is placed on the fabric feeding roller 21, and the pulling roller pulls the nylon 66 filament woven fabric to move, the fabric feeding roller 21 performs circumferential rotation movement while releasing the nylon 66 filament woven fabric, and the fabric feeding roller 21 in the rotation process is connected with the tension adjusting mechanism 2, so that the effect of driving the lifting tensioning roller 23 to perform vertical lifting reciprocating movement is achieved, the aim of enabling the nylon 66 filament woven fabric to be in a low-tension running state in the cold rolling treatment is achieved, the fibers of the nylon 66 filament woven fabric are fully expanded and twist released under a flat and loose condition, and the problem of wrinkling of the nylon 66 filament woven fabric due to different or high tension is effectively solved, and the contact hand feeling is remarkably improved.
The driving member is a driving gear 211. The tension adjusting structure comprises a connecting bracket 24 fixed on the outer side wall of the liquid storage soaking tank 1, a sliding support 27 fixed on the connecting bracket 24 and a lifting swing arm 26 connected with the sliding support 27 in an up-and-down rotating way, and hinged end parts 262 used for the up-and-down rotating connection are arranged at two ends of the lifting swing arm 26.
Wherein, one end of the connecting bracket 24, which is close to the lifting tensioning roller 23, is provided with a vertical limiting part 242. A lifting vertical groove 243 is provided in the vertical limiting portion 242. Meanwhile, the hinged end 262 close to the lifting tensioning roller 23 is connected with a connecting swing arm 28 in a vertical rotating manner, and the lower end of the connecting swing arm 28 is connected with a lifting block 29 inserted in the lifting vertical groove 243 in a vertical lifting manner in a vertical rotating manner. The lifting block 29 is rotatably connected to the corresponding end of the lifting tension roller 23.
A transmission gear 25 is rotatably connected to one end of the connecting bracket 24, which is close to the fabric feeding roller 21. The transmission gear 25 is rotatably coupled to an eccentric rotation column 253 fixed to the coupling bracket 24, and is provided at one side thereof with a concentric circular groove 252. The hinged end 262 adjacent the face stock roll 21 is inserted into the circular recess 252 and is oscillated up and down. The drive gear 211 is connected to a transmission belt 22 for driving the transmission gear 25 to perform a circumferential rotational movement about the eccentric rotational post 253 as an axis. Therefore, when the driving gear 211 drives the driving gear 25 to do circumferential rotation movement with the eccentric rotation column 253 as an axis through the driving belt 22, the hinged end 262 inserted in the circular groove 252 swings up and down with the rotationally connected sliding support 27 as a rotation axis along with the eccentric rotation of the driving gear 25, so as to further drive the connecting swing arm 28 which drives the other hinged end 262 to rotate up and down to drive the lifting block 29 to do vertical lifting movement in the lifting vertical groove 243, so that the lifting tension roller 23 drives the fabric feeding roller 21 to do further rotation in the lifting process, thereby achieving the purpose of enabling the nylon 66 filament woven fabric passing through the lifting tension roller 23 to be in a low tension running state in the cold rolling treatment process, enabling the fiber of the nylon 66 filament woven fabric to be fully expanded and twist released under the condition of smoothness and relaxation, effectively solving the problem of wrinkles generated by the nylon 66 filament woven fabric due to different tensions or high tension, and remarkably improving contact, and enabling the acidic digital manufacturing process of the nylon 66 filament woven fabric to have the effects of improving the color and luster of the nylon 66 filament woven fabric and reducing the surface color and luster.
A sliding cross groove 241 is provided between both ends of the connection bracket 24. The sliding support 27 is inserted into the sliding transverse groove 241 and reciprocates along the length direction of the sliding transverse groove 241. A threaded rod 273 having one end penetrating from the inside of the connecting bracket 24 is inserted into the sliding horizontal groove 241, and the eccentric rotation column 253 is fixedly connected with the concentric synchronous worm wheel 251. The synchronizing worm gear 251 is engaged with the threaded rod 273. Wherein, the lifting swing arm 26 is provided with an adjusting long groove 261 along the length direction. Correspondingly, a column 271 is provided on the slide support 27, and the column 271 is provided with a plug-in rotary shaft 272 inserted into the adjustment slot 261. Therefore, the driving gear 211 rotates during the rotation of the fabric feeding roller 21, and the traction roller keeps the moving linear speed of the nylon 66 filament woven fabric, so that the rotating speed of the fabric feeding roller 21 is gradually increased, that is, along with the feeding of the nylon 66 filament woven fabric, the nylon 66 filament woven fabric released by the driving gear 211 during one rotation is gradually reduced, so that the sliding support 27 moves far from one end of the fabric feeding roller 21 during the rotation of the threaded rod 273 driven by the synchronous worm gear 251, and the up-down swing amplitude of the hinged end 262 close to one end of the fabric feeding roller 21 is gradually reduced while the up-down swing amplitude of the hinged end 262 at the other end is kept consistent, thereby achieving the purpose of effectively adjusting the tension adjustment degree, and having the effects of flexibility, high efficiency and strong adaptability.
Meanwhile, a steering guide roller 3 is arranged on the upper side of one end of the liquid storage soaking box 1, which is close to the fabric feeding roller 21, so that the feeding difficulty is reduced by fixing the fabric feeding roller 21 on the lower side of one end of the liquid storage soaking box 1, and the rotating guide roller is enabled to effectively rotate and guide the feeding of the nylon 66 filament woven fabric.
Example two
The difference between the second embodiment and the first embodiment is that the steaming in the second embodiment is to adopt a long-ring steamer to steam and color the sprayed nylon 66 filament woven fabric, and the steaming temperature is controlled to be 109 ℃, and the steaming time is controlled to be 20 minutes; the water washing is open-width water washing treatment; wherein, a, cleaning with cold water is carried out in sequence: cleaning with 1.5g/L sodium carbonate for 13min; b. and (3) soaping: a soaping agent with a concentration of 1.5g/L was used, and the temperature was controlled at 40℃for 17min.
Example III
The difference between the third embodiment and the first embodiment is that the steaming in the third embodiment is to adopt a long-ring steamer to steam and color the sprayed nylon 66 filament woven fabric, and the steaming temperature is controlled to be 110 ℃ and the steaming time is controlled to be 23 minutes; the water washing is open-width water washing treatment; wherein, a, cleaning with cold water is carried out in sequence: cleaning with 2g/L sodium carbonate for 15min; b. and (3) soaping: the temperature was controlled at 40℃and continued for 20min with a soaping agent concentration of 2 g/L.
Example IV
The difference between the fourth embodiment and the first embodiment is that in the pretreatment step (1) in the fourth embodiment, the cold piling is the liquid preparation and cold piling machine cold rolling treatment, the normal temperature piling is carried out for 18 hours, the pre-washing is carried out at 70 ℃, the normal temperature water washing is carried out, and the drying is carried out; the liquid preparation specifically comprises a penetrating agent with the concentration of 6.5g/L, hydrogen peroxide with the concentration of 6.5g/L and desizing and refining enzyme with the concentration of 17 g/L; the pre-washing at 70 ℃ is carried out by adopting 11g/L hydrogen peroxide. Corona treatment is carried out on nylon 66 filament woven fabric by adopting corona equipment, and the current of the corona equipment is controlled to be 3A, the power is controlled to be 125W and the treatment time is controlled to be 45S.
In the pretreatment step (2), the moisture absorption and finishing are moisture absorption and perspiration setting by adopting a setting machine, chemical moisture absorption and perspiration auxiliary agents with the concentration of 10g/L are adopted, the pressure is controlled to be 0.4Kgf/cm < 2 >, the setting temperature is 155 ℃, and the setting time is controlled to be 1 minute. In the pretreatment step (3), sizing dye is adopted to mix ammonium sulfate with the mass ratio of 2% and urea with the mass ratio of 3% as base slurry, and the mass ratio of the sizing dye to the base slurry is 1:3, adding deionized water to obtain printing paste for printing paste; the viscosity of the printing paste is 900mPa.s, and the pH of the base paste is 5; and the temperature of the printing paste is 25 ℃, and after the printing paste is finished, the drying operation is carried out, wherein the temperature of the drying operation is 125 ℃, and the vehicle speed is 10m/min.
Example five
The fifth embodiment differs from the first embodiment in that in the step (1) of pretreatment in the fifth embodiment, the cold stacking is a liquid preparation and cold-stacking machine cold-rolling treatment, a normal-temperature stacking for 24 hours, a pre-washing at 70 ℃, a normal-temperature water washing and a drying which are sequentially performed; the liquid preparation specifically comprises a penetrating agent with the concentration of 8g/L, hydrogen peroxide with the concentration of 8g/L and desizing and refining enzyme with the concentration of 18 g/L; the pre-washing at 70 ℃ is carried out by adopting 12g/L hydrogen peroxide. Corona treatment is carried out on nylon 66 filament woven fabric by adopting corona equipment, and the current of the corona equipment is controlled to be 5A, the power is controlled to be 150W and the treatment time is controlled to be 60S.
In the pretreatment step (2), the moisture absorption and finishing are moisture absorption and perspiration setting by adopting a setting machine, chemical moisture absorption and perspiration auxiliary agents with the concentration of 10g/L are adopted, the pressure is controlled to be 0.4Kgf/cm < 2 >, the setting temperature is 160 ℃, and the setting time is 1 minute. In the pretreatment step (3), sizing dye is adopted to mix ammonium sulfate with the mass ratio of 3% and urea with the mass ratio of 4% as base slurry, and the mass ratio of the sizing dye to the base slurry is 1:3, adding deionized water to obtain printing paste for printing paste; the viscosity of the printing paste is 1000mPa.s, and the pH of the base paste is 6; and the temperature of the printing paste is 25 ℃, and after the printing paste is finished, the drying operation is carried out, wherein the temperature of the drying operation is 130 ℃, and the vehicle speed is 10m/min.
Performance test:
1. color fastness testing: the washing fastness is tested by adopting AATCC 61-2010 standard, and the temperature is 50 ℃; the crocking fastness was tested using AATCC 8-2001 standard.
2. Definition assessment: and (5) evaluating according to the definition of the printed lines.
Surface-nylon 66 filament woven fabric performance test table
As can be seen from the first table, the acid digital printing manufacturing process of the nylon 66 filament woven fabric has the effects of remarkably improving the color yield and the color vividness of the nylon 66 filament woven fabric and reducing surface flooding.
In summary, the pretreatment is firstly carried out on the nylon 66 filament woven fabric, and then the subsequent spray printing, steaming, washing and after-finishing are carried out, so that the pretreated nylon 66 filament woven fabric is firstly treated by corona discharge with weak penetrating power on the nylon 66 filament woven fabric, and the corona discharge only acts on a shallow layer on the surface of the nylon 66 filament woven fabric, thereby effectively avoiding adverse effects on the body performance of the nylon 66 filament woven fabric and being beneficial to further improving the cleaning efficiency; meanwhile, the nylon 66 filament woven fabric subjected to corona discharge treatment is fully contacted with a medicament in cold piling treatment, so that fibers in the nylon 66 filament woven fabric are fully expanded and twist is released under a flat and loose condition, and the problem that the nylon 66 filament woven fabric is wrinkled when the tension is different is solved; the penetration of the sizing agent is promoted when the nylon 66 filament woven fabric is subjected to moisture absorption finishing, so that the penetration capacity of the sizing agent to the nylon 66 filament woven fabric in the subsequent process is promoted; sizing is performed through two-dip two-pad operation, so that the film forming uniformity and full permeation of printing sizing agent are ensured, and the pretreatment of digital printing sizing promotes the perfect fixation of acid ink on printing fabric; the cold piling is sequentially performed by liquid preparation and cold piling machine cold rolling treatment, normal temperature piling for 12-24h, pre-washing at 70 ℃, normal temperature washing and drying, and the driving gear 211 rotates in the rotating process of the fabric feeding roller 21, as the traction roller keeps the moving linear speed of the nylon 66 filament woven fabric, the rotating speed of the fabric feeding roller 21 is gradually increased, namely, along with the feeding of the nylon 66 filament woven fabric, the nylon 66 filament woven fabric released by the driving gear 211 in the rotating process is gradually reduced, so that the sliding support 27 moves far from one end of the fabric feeding roller 21 in the rotating process of the synchronous worm gear 251 driving the threaded rod 273, so that the up-down swinging amplitude of the hinged end 262 close to one end of the fabric feeding roller 21 is gradually reduced while the up-down swinging amplitude of the hinged end 262 at the other end is kept consistent, and the purpose of effectively adjusting the tension adjusting degree is achieved, and the cold piling machine has the effects of being flexible, efficient and strong in adaptability.
Reference to "first," "second," "third," "fourth," etc. (if present) herein is used to distinguish similar objects from each other and does not necessarily describe a particular order or sequence. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments described herein may be implemented in other sequences than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, or apparatus.
It should be noted that the description herein of "first," "second," etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implying an indication of the number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be regarded as not exist and not within the protection scope of the present application.
The principles and embodiments of the present application are described herein with specific examples, the above examples being provided only to assist in understanding the methods of the present application and their core ideas; meanwhile, as those skilled in the art will have modifications in the specific embodiments and application scope in accordance with the ideas of the present application, the present description should not be construed as limiting the present application in view of the above.

Claims (3)

1. The acid digital printing manufacturing process for the nylon 66 filament woven fabric is characterized by comprising the following steps of: comprises pretreatment, spray printing, steaming, water washing and after-finishing which are sequentially carried out; the pretreatment comprises the following steps:
(1) removing surface sizing agent and impurities of the nylon 66 filament woven fabric by adopting cold piling and corona; wherein the cold piling is sequentially performed with liquid preparation and cold piling machine cold rolling treatment, normal temperature piling for 12-24h, 70 ℃ pre-washing, normal temperature water washing and drying; the liquid preparation specifically comprises a penetrating agent with the concentration of 5-8g/L, hydrogen peroxide with the concentration of 5-8g/L and desizing and refining enzyme with the concentration of 16-18 g/L; the pre-washing at 70 ℃ is carried out by adopting 10-12g/L hydrogen peroxide; corona treatment is carried out on the nylon 66 filament woven fabric by adopting corona equipment, and the current of the corona equipment is controlled to be 1-5A, the power is controlled to be 100-150W and the treatment time is controlled to be 30-60S; and cold rolling the corona nylon 66 filament woven fabric by a cold pad-batch machine;
(2) The nylon 66 filament yarn woven fabric treated by the moisture absorption finishing process (1) is adopted; wherein the moisture absorption finishing is moisture absorption perspiration setting by adopting a setting machine operation, chemical moisture absorption perspiration auxiliary agent with the concentration of 10g/L is adopted, and the pressure is controlled to be 0.4Kgf/cm 2 Setting temperature is 150-160 ℃ and setting time is 1 minute;
(3) printing paste above the nylon 66 filament woven fabric treated by adopting a setting machine in a two-dipping two-padding way (2); wherein, the sizing dye is mixed with 1-3% of ammonium sulfate and 2-4% of urea according to the mass ratio as the base slurry, and the mass ratio of the sizing dye to the base slurry is 1:3, adding deionized water to obtain printing paste for printing paste; the viscosity of the printing paste is 800-1000mPa.s, and the PH of the base paste is 4-6; the temperature of the printing paste is 25 ℃, and after the printing paste is applied, the drying operation is carried out, wherein the temperature of the drying operation is 120-130 ℃, and the vehicle speed is 10m/min;
the cold stacker comprises a liquid storage soaking box (1), wherein tension adjusting mechanisms (2) are arranged on two sides of the liquid storage soaking box (1); two ends of the two tension adjusting mechanisms (2) are respectively connected with a fabric feeding roller (21) positioned outside the liquid storage soaking box (1) and a lifting tensioning roller (23) positioned in the liquid storage soaking box (1); the fabric feeding roller (21) is used for placing fabric to be subjected to cold rolling treatment and rotates when the traction roller pulls the nylon 66 filament woven fabric to move; the tension adjusting mechanisms (2) are respectively fixed on the outer side walls of the corresponding sides of the liquid storage soaking box (1), and box body vertical grooves (11) for the lifting tensioning rollers (23) to penetrate out and connected with the tension adjusting mechanisms (2) are arranged on the corresponding two sides of the liquid storage soaking box (1); the two ends of the fabric feeding roller (21) are respectively provided with a driving piece which is connected with the corresponding tension adjusting mechanism (2) and drives the lifting tensioning roller (23) to vertically reciprocate; the driving piece is a driving gear (211), and the tension adjusting structure comprises a connecting bracket (24) fixed on the outer side wall of the liquid storage soaking box (1), a sliding support (27) fixed on the connecting bracket (24) and a lifting swing arm (26) connected with the sliding support (27) in an up-and-down rotating way; two ends of the lifting swing arm (26) are respectively provided with a hinged end part (262) for up-and-down rotation connection; a vertical limiting part (242) is arranged at one end, close to the lifting tensioning roller (23), of the connecting bracket (24), and a lifting vertical groove (243) is arranged in the vertical limiting part (242); the hinged end (262) close to the lifting tensioning roller (23) is connected with a connecting swing arm (28) in an up-down rotating mode, the lower end of the connecting swing arm (28) is connected with a lifting block (29) which is inserted into the lifting vertical groove (243) in an up-down rotating mode and performs vertical lifting motion, and the lifting block (29) is connected with the corresponding end of the lifting tensioning roller (23) in a rotating mode; one end of the connecting bracket (24) close to the fabric feeding roller (21) is rotationally connected with a transmission gear (25), the transmission gear (25) is rotationally connected with an eccentric rotating column (253) fixed with the connecting bracket (24), and one side of the eccentric rotating column is provided with a concentric circular groove (252); wherein the hinged end (262) close to the fabric feeding roller (21) is inserted into the circular groove (252) and swings up and down; the driving gear (211) is connected with a driving belt (22) for driving the driving gear (25) to do circumferential rotation movement by taking the eccentric rotating column (253) as an axis, a sliding transverse groove (241) is arranged between two ends of the connecting bracket (24), and the sliding support (27) is inserted into the sliding transverse groove (241) and does reciprocating movement along the length direction of the sliding transverse groove (241); a threaded rod (273) with one end penetrating out of the connecting bracket (24) is inserted into the sliding transverse groove (241), the eccentric rotating column (253) is fixedly connected with a concentric synchronous worm wheel (251), and the synchronous worm wheel (251) is meshed with the threaded rod (273); the lifting swing arm (26) is provided with an adjusting long groove (261) along the length direction, the sliding support (27) is provided with a stand column (271), and the stand column (271) is provided with a plug-in rotating shaft column (272) inserted into the adjusting long groove (261).
2. The process for producing the nylon 66 filament woven fabric by acid digital printing according to claim 1, which is characterized in that: the spray printing is to complete a printing process on the surface of the pretreated nylon 66 filament woven fabric by adopting a digital printing machine using acid ink; the steaming is to adopt a long-loop steamer to steam and color the nylon 66 filament woven fabric subjected to jet printing, and the steaming temperature is controlled to be 108-110 ℃ and the steaming time is controlled to be 18-23 minutes; the post-finishing is to adopt a waterproof agent to carry out surface waterproof treatment and functional coating processing.
3. The process for producing the nylon 66 filament woven fabric by acid digital printing according to claim 1, which is characterized in that: the water washing is open-width water washing treatment; wherein, a, cleaning with cold water is carried out in sequence: cleaning with 1-2g/L sodium carbonate for 10-15min; b. and (3) soaping: the soaping agent with concentration of 1-2g/L is adopted, and the temperature is controlled to be 40 ℃ and is kept for 15-20min.
CN202211050138.3A 2022-08-31 2022-08-31 Acid digital printing manufacturing process for nylon 66 filament woven fabric Active CN115305732B (en)

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CN102321972B (en) * 2011-08-11 2013-05-22 浙江工业职业技术学院 Cold pad-batch pre-treatment method of linen fabric
CN104695162B (en) * 2015-03-10 2017-06-20 上海泉欣纺织品有限公司 A kind of two-sided napping technique and its equipment
CN208562809U (en) * 2018-06-09 2019-03-01 石狮市亿祥染整有限公司 Cold dome machine
CN110804879A (en) * 2019-09-29 2020-02-18 嘉兴市恒悦纺织有限公司 Dyeing processing technology of superfine polyester fabric
CN113774689B (en) * 2021-06-08 2023-05-30 华懋（厦门）特种材料有限公司 Production process of polyamide acid digital printing
CN113529401B (en) * 2021-07-12 2022-06-24 武汉纺织大学 Green and pollution-free cold-batch method for pure cotton spunlace non-woven fabric
CN114347664A (en) * 2021-12-16 2022-04-15 绍兴高肯数码纺织有限公司 Digital printing process

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