CN111235914A - Dyeing process and dyeing machine for knitted fabric - Google Patents
Dyeing process and dyeing machine for knitted fabric Download PDFInfo
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- CN111235914A CN111235914A CN202010199247.6A CN202010199247A CN111235914A CN 111235914 A CN111235914 A CN 111235914A CN 202010199247 A CN202010199247 A CN 202010199247A CN 111235914 A CN111235914 A CN 111235914A
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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
- D06P1/34—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 natural dyestuffs
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
-
- 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
- D06B19/00—Treatment of textile materials by liquids, gases or vapours, not provided for in groups D06B1/00 - D06B17/00
- D06B19/0005—Fixing of chemicals, e.g. dyestuffs, on textile materials
- D06B19/0029—Fixing of chemicals, e.g. dyestuffs, on textile materials by steam
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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
- 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
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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
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/445—Use of auxiliary substances before, during or after dyeing or printing
-
- 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
- D06P1/62—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 with sulfate, sulfonate, sulfenic or sulfinic groups
- D06P1/621—Compounds without nitrogen
- D06P1/622—Sulfonic acids or their salts
- D06P1/623—Aliphatic, aralophatic or cycloaliphatic
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/64—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
- D06P1/645—Aliphatic, araliphatic or cycloaliphatic compounds containing amino groups
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/653—Nitrogen-free carboxylic acids or their salts
- D06P1/6533—Aliphatic, araliphatic or cycloaliphatic
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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
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
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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
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
- D06P5/04—After-treatment with organic compounds
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- General Engineering & Computer Science (AREA)
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- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses a dyeing process and a dyeing machine for knitted fabric. According to the dyeing process of the knitted fabric, the knitted fabric is pretreated by the special pretreatment solution, so that the dispersibility and the colorability of the plant dye in the knitted fabric can be improved, the dyeing uniformity is ensured, the color fastness and the dyeing efficiency are improved, the color fastness of the knitted fabric can be further improved by drying, fixing and heat setting after dyeing, and the texture is improved.
Description
Technical Field
The invention relates to the technical field of knitted fabrics, in particular to a dyeing process and a dyeing machine for knitted fabrics.
Background
With the development of textile industry and the change of consumption concept of people, the life concept of people gradually turns from the pursuit of material level to the pursuit of spirit, and compared with clothes, the life concept of people is not satisfied with the pursuit of firmness, wear resistance and the like, and the pursuit of quality, texture, comfort, enjoyment and the like.
The knitted fabric is widely applied in the industries of clothes and home textile fabrics and is popular with consumers. According to the knowledge, in the previous dyeing process of the knitted fabric, the discharge amount of bleaching and dyeing wastewater is quite large, pollutants in the bleaching and dyeing wastewater are poor in environmental friendliness and serious in pollution and waste of water resources, and meanwhile, in order to obtain a good dyeing effect, various dyeing auxiliaries are added, the dyeing process is complex, the operation is complex, and the process cost is high. In addition, the color fastness and uniformity of dyeing are poor, and the quality of the knitted fabric is seriously influenced.
Therefore, in order to overcome the difficult problems in the industry, the dyeing process of the knitted fabric is provided. So as to simplify the dyeing process, improve the dyeing effect and improve the texture of the knitted fabric.
Chinese patent CN108286117B discloses a dyeing method of knitted fabric. The method comprises the following steps: a. weaving: weaving the warp yarns and the weft yarns into a knitted fabric; b. dyeing: b, putting the commercially available dye liquor into a dye vat of a dyeing device, and dyeing the knitted fabric in the step a through the dyeing device; c. drying: putting the dyed knitted fabric into an oven for drying; d. rinsing: soaking the dried knitted fabric into clean water for rinsing for 10-20 min; e. drying: taking out the rinsed knitted fabric, and naturally drying; f. shaping: and (3) putting the dried knitted fabric into a fabric setting machine for setting, wherein the setting temperature is 140-150 ℃.
Chinese patent CN109750514A discloses a knitted fabric dyeing process, which comprises the following specific steps: pretreatment, dyeing, dehydration drying, post-treatment, tentering and heat setting, inspection and packaging; the bath ratio during dyeing is 1:6-8, the dyeing temperature is 35-40 ℃, the dye weight concentration is 3-5%, the pH of the initial bath liquid is 6.5-7.5, the dyeing assistant is 50-80g/L, and the color fixing time is 100-120 min; the heat setting stenter is divided into six box areas, the temperature of a first box is controlled to be 120 ℃, the temperature of a second box is controlled to be 140 ℃, the temperature of a third box is controlled to be 155 ℃, the temperatures of the first box to the third box are baking areas, the temperatures of a fourth box to the sixth box are setting areas, and the temperatures are all 170 ℃.
Disclosure of Invention
The invention aims at the problems and provides a dyeing process and a dyeing machine for knitted fabrics.
The technical scheme adopted by the invention for solving the problems is as follows: a dyeing process of knitted fabric comprises the following steps:
step I, pretreatment: putting the knitted fabric into a pretreatment solution at the temperature of 65-75 ℃, soaking for 20-30 min under the condition of heat preservation, then drying in the air, repeatedly soaking once, and drying in the air again to obtain the pretreated knitted fabric; wherein, the moisture content of the pretreated knitted fabric is 5-8%; the knitted fabric is soaked twice in the pretreatment solution, so that the dyeing rate and the coloring uniformity of the knitted fabric can be obviously enhanced, and the knitted fabric is ensured to be smooth and not to be pilling;
step II, dyeing: dyeing the pretreated knitted fabric obtained in the step I in a dyeing machine by using plant dyeing liquid for 80-100 min to obtain a dyed knitted fabric;
step III, drying: drying the dyed knitted fabric obtained in the step II at the temperature of 95-115 ℃, washing the dyed knitted fabric for 2-3 times by using warm water, and then drying the dyed knitted fabric again at the temperature of 90-110 ℃ to obtain a knitted fabric semi-finished product; wherein the temperature of the warm water is 35-38 ℃; the first drying has the effects of color fixation and level dyeing, the warm water washing can remove redundant dye, and the second drying improves the color fastness;
step IV, color fixation and shaping: and (3) keeping the knitted fabric semi-finished product obtained in the step (III) in fixation steam at the temperature of 105-115 ℃ for 1-5 min, then rinsing with clean water for 20-40 min, airing, and finally carrying out heat setting to obtain a finished product. The fixation efficiency can be improved by utilizing fixation steam for fixation, the dispersibility of the fixation agent in the knitted fabric is promoted, and the mass transfer effect is improved.
Further, in step I, the pretreatment solution is composed of citric acid, sodium octyl succinate sulfonate, dopamine, hydrogen peroxide and deionized water. The sodium octyl succinate sulfonate, the dopamine and the citric acid improve the adsorbability and the dispersibility of the knitted fabric to a dyeing machine together, the dye is firmly combined, the knitted fabric does not fade, the hand feeling of the knitted fabric is improved, and the quality is improved;
furthermore, in the pretreatment solution, the mass ratio of citric acid, sodium octyl succinate sulfonate, dopamine, hydrogen peroxide and deionized water is 1: 3.5: 0.5: 0.05: 60-70.
Further, in the step II, in the dyeing process, the dyeing bath ratio is 1: 8.5-9.5, and the dyeing temperature is 38-42 ℃.
Furthermore, in the step III, the warm water contains 15-20% of cleaning agent by mass fraction.
Further, in the step IV, the fixation steam is prepared from the following components in a mass ratio of 1: 0.15: 0.01: 65-70 parts of an aldehyde-free color fixing agent, di-sec-octyl maleate sodium sulfonate, glacial acetic acid and water.
Further, in the step IV, in the heat setting process, the temperature is firstly preserved for 1min to 3min under the condition that the temperature is 110 ℃ to 120 ℃, and then the temperature is preserved for 3min to 5min under the condition that the temperature is 130 ℃ to 140 ℃.
Another purpose of this application provides a dyeing machine that above-mentioned dyeing process used, including dyeing machine main part, chassis, tray, bottom plate and base, the chassis sets firmly the bottom of dyeing machine main part, the chassis slides and sets up the dish intracavity at tray top, preceding, the rear side on chassis with be provided with an elastic ring between the inside wall in dish chamber respectively, the lug of chassis bottom passes the sliding hole of tray bottom with the bottom plate rigid coupling, the bottom plate with be provided with damper between the base, the side all supports and leans on around the tray on the inside wall of the cavity of base, the left and right sides of bottom plate with be provided with an elastic component between the inside wall of cavity respectively.
Further, the damping assembly comprises a pair of fork arms, four sliding blocks and four compression springs, the fork arms comprise a pair of fork arms, rollers are arranged at the upper ends of the fork arms and are arranged on the bottom surface of the bottom plate in a sliding mode, the lower ends of the fork arms are pivoted on the corresponding sliding blocks in a one-to-one correspondence mode, the sliding blocks are arranged at the bottoms of the cavities in a sliding mode, and the sliding blocks are pressed on the corresponding compression springs in a one-to-one correspondence mode.
Furthermore, the push plate portion of one end of the sliding block is arranged in the spring hole in the base in a sliding mode, the other end of the sliding block penetrates through a through hole formed in the inner end of the spring hole and extends into the concave cavity, the compression spring is arranged in the spring hole, the damping assembly further comprises four plugs, the four plugs are in one-to-one correspondence to the opening ends of the corresponding spring holes in threaded connection, and the inner ends of the plugs are abutted against the other ends of the corresponding compression springs.
Furthermore, the elastic ring is oval, two ends of the elastic ring in the short axis direction are respectively provided with a positioning block, one positioning block is embedded into a first clamping groove on the chassis, and the other positioning block is embedded into a second clamping groove on the inner side wall of the disc cavity.
Furthermore, a rhombic inner ring is connected between the inner sides of the two ends of the elastic ring along the short axis direction.
Furthermore, be provided with the support arm of two pairs of relative settings on the inside wall of elasticity circle, the support arm has the extension that connects gradually one, the portion of bending one, extension two, the portion of bending two, extension three and the portion of bending three, the free end of extension one is connected on the inside wall of elasticity circle, when the elasticity circle pressurized, the portion of bending two can support and press on the inside wall of elasticity circle, the portion of bending one with the portion of bending three can support respectively and press on the portion of bending one and the portion of bending three of another support arm.
Further, the elastic part comprises a pressing plate part, a first supporting plate part, a return bending part and a second supporting plate part which are sequentially connected, the pressing plate part is pressed between the bottom plate and the tray, the first supporting plate part is abutted against the bottom plate, and the second supporting plate part is abutted against the inner side wall of the cavity.
Furthermore, a sliding plate is arranged on the inner side wall of the concave cavity, and the second supporting plate part abuts against the sliding plate.
The invention has the advantages that:
(1) according to the dyeing process of the knitted fabric, the knitted fabric is pretreated by the special pretreatment solution, so that the dispersibility and the colorability of the plant dye in the knitted fabric can be improved, the dyeing uniformity is ensured, the color fastness and the dyeing efficiency are improved, the color fastness of the knitted fabric can be further improved by drying, fixing and heat setting after dyeing, and the texture is improved;
(2) the dyeing process of the knitted fabric is simple, the rinsing times are reduced, the use of water resources can be reduced, the discharge amount of rinsing and dyeing wastewater is reduced, resources are saved, and the process cost is low;
(3) according to the dyeing process of the knitted fabric, the prepared finished knitted fabric is soft in hand feeling, thick in texture, firm and high in color, good in dyeing uniformity and saturated in color, has a certain anti-wrinkle and anti-shrinkage effect, and is superior in quality;
(4) according to the dyeing machine for the dyeing process of the knitted fabric, the elastic ring, the damping component and the elastic piece are arranged, so that the vibration generated by the dyeing machine main body in the working process can be effectively absorbed, the vibration noise is reduced, and the influence of the vibration on the normal working of the dyeing machine main body is reduced.
Drawings
In order to more clearly illustrate the advancement of the dyeing process and dyeing machine of the knitted fabric of the present invention, the following will be described. In the drawings:
fig. 1 is a schematic view of the structure of the dying machine of the present invention.
Fig. 2 is a schematic cross-sectional structure view of the connection of the chassis and the tray of the dying machine of the present invention.
Fig. 3 is an enlarged schematic view of a portion a in fig. 1.
Fig. 4 is an enlarged schematic view of a structure at B in fig. 1.
Description of reference numerals: the dyeing machine comprises a dyeing machine body 1, a chassis 2, a bump 21, a first clamping groove 22, a tray 3, a tray cavity 31, a second clamping groove 32, a sliding hole 33, a bottom plate 4, a pressure groove 41, a stop block 42, a base 5, a cavity 51, a spring hole 52, a through hole 53, an elastic ring 6, an inner ring 61, a supporting arm 62, a first extending part 621, a first bending part 622, a second extending part 623, a second bending part 624, a third extending part 625, a third bending part 626, a positioning block 63, a damping component 7, a scissor arm 71, a fork arm 711, a roller 72, a sliding block 73, a push plate part 731, a compression spring 74, a plug 75, an elastic component 8, a pressure plate part 81, a first supporting plate part 82, a second supporting plate part 83, a return bending.
Detailed Description
The following detailed description of embodiments of the invention, but the invention can be practiced in many different ways, as defined and covered by the claims.
Example 1
Dyeing process of knitted fabric
The method comprises the following steps:
step I, pretreatment: putting the knitted fabric into a pretreatment solution at the temperature of 65 ℃, soaking for 20min under heat preservation, then drying, repeatedly soaking once, and drying again to obtain the pretreated knitted fabric; wherein the moisture content of the pretreated knitted fabric is 5 percent; the pretreatment solution is prepared from the following components in a mass ratio of 1: 3.5: 0.5: 0.05: 60 of citric acid, sodium octyl succinate sulfonate, dopamine, hydrogen peroxide and deionized water;
step II, dyeing: dyeing the pretreated knitted fabric obtained in the step I in a dyeing machine for 80min by using a plant dyeing solution to obtain a dyed knitted fabric; wherein, in the dyeing process, the dyeing bath ratio is 1: 8.5, the dyeing temperature is 38 ℃;
step III, drying: drying the dyed knitted fabric obtained in the step II at the temperature of 95 ℃, washing the dyed knitted fabric for 2 times by using warm water, and then drying the dyed knitted fabric again at the temperature of 90 ℃ to obtain a semi-finished knitted fabric; wherein the temperature of the warm water is 35 ℃; wherein the warm water contains 15% of cleaning agent by mass fraction;
step IV, color fixation and shaping: and (3) keeping the knitted fabric semi-finished product obtained in the step (III) in fixation steam at the temperature of 105 ℃ for 1min, then rinsing with clear water for 20min, airing, and finally preserving heat for 1min at the temperature of 110 ℃ and preserving heat for 3min at the temperature of 130 ℃ to obtain the finished product.
Wherein the fixation steam is prepared from the following components in a mass ratio of 1: 0.15: 0.01: 65 of formaldehyde-free color fixing agent, sodium di-sec-octyl maleate sulfonate, glacial acetic acid and water.
The dyeing machine comprises a dyeing machine main body 1, a chassis 2, a tray 3, a bottom plate 4 and a base 5, wherein the chassis 2 is fixedly arranged at the bottom of the dyeing machine main body 1, the chassis 2 is slidably arranged in a disc cavity 31 at the top of the tray 3, elastic rings 6 are respectively arranged between the front side and the rear side of the chassis 2 and the inner side wall of the disc cavity 31, a convex block 21 at the bottom of the chassis 2 penetrates through a sliding hole 33 at the bottom of the tray 3 to be fixedly connected with the bottom plate 4, a damping assembly 7 is arranged between the bottom plate 4 and the base 5, the front side and the rear side of the tray 3 are respectively abutted against the inner side wall of a cavity 51 of the base 5, and elastic pieces 8 are respectively arranged between the left side and the right side of the bottom.
As shown in fig. 1, 3 and 4, the damping assembly 7 includes a pair of scissors arms 71, four sliding blocks 73, four compression springs 74 and four plugs 75, the scissors arms 71 include a pair of forks 711, rollers 72 are disposed at the upper ends of the forks 711, the rollers 72 are disposed on the bottom surface of the bottom plate 4 in a rolling manner, a stopper 42 is disposed at each of the left and right ends of the bottom surface of the bottom plate 4 to limit the position, the lower ends of the forks 711 are pivoted to the corresponding sliding blocks 73 one by one, the bottoms of the left and right inner side walls of the cavity 51 are respectively provided with a through hole 53, the other end of the through hole 53 is communicated with a spring hole 52, a push plate portion 731 at one end of the sliding block 73 is slidably disposed in the spring hole 52 of the base 5, the other end of the sliding block 73 passes through the through hole 53 and extends into the cavity 51, the compression springs 74 are disposed in the spring holes 52, one end of the compression springs 74 is pressed against the push plate portion 731, the four plugs, the inner end of the plug 75 abuts against the other end of the corresponding compression spring 74, and when the shock absorber is used, a user can adjust the compression degree of the compression spring 74 by adjusting the plug 75 according to actual requirements, so as to achieve the purpose of adjusting the shock absorption performance of the shock absorption assembly 7.
As shown in fig. 2, the elastic ring 6 is elliptical, two ends of the elastic ring 6 along the minor axis direction are respectively provided with a positioning block 63, one positioning block 63 is embedded in a first clamping groove 22 on the chassis 2, the other positioning block 63 is embedded in a second clamping groove 32 on the inner side wall of the disc cavity 31, in order to further improve the shock absorption performance of the elastic ring 6, a rhombic inner ring 61 is connected between the inner sides of the two ends of the elastic ring 6 along the short axis direction, two pairs of supporting arms 62 are arranged on the inner side wall of the elastic ring 6, each supporting arm 62 is provided with an extending part I621, a bending part I622, an extending part II 623, a bending part II 624, an extending part III 625 and a bending part III 626 which are sequentially connected, the free end of the extending part I621 is connected to the inner side wall of the elastic ring 6, when the elastic ring 6 is pressed, the second bending portion 624 can abut against the inner side wall of the elastic ring 6, and the first bending portion 622 and the third bending portion 626 can abut against the first bending portion 622 and the third bending portion 626 of the other support arm 62, respectively.
As shown in fig. 1 and 4, the elastic member 8 includes a pressing plate portion 81, a first supporting plate portion 82, a bent back portion 84, and a second supporting plate portion 83, which are connected in sequence, the pressing plate portion 81 is press-fitted between the pressing groove 41 at the top of the bottom plate 4 and the bottom surface of the tray 3, the first supporting plate portion 82 abuts against the bottom plate 4, the sliding plate 9 is installed on the inner side wall of the cavity 51, the surface of the sliding plate 9 is smooth, and the second supporting plate portion 83 abuts against the sliding plate 9.
As shown in fig. 1, during the operation of the dyeing machine, the damping assembly 7 can absorb the vibration in the vertical direction, the elastic ring 6 can absorb the vibration in the horizontal direction along the front-back direction, and the elastic member 8 can absorb the vibration in the horizontal direction along the left-right direction, so as to effectively absorb the vibration generated by the dyeing machine main body 1 during the operation, thereby reducing the vibration noise and reducing the influence of the vibration on the normal operation of the dyeing machine main body 1.
Example 2
Dyeing process of knitted fabric
The method comprises the following steps:
step I, pretreatment: putting the knitted fabric into a pretreatment solution at the temperature of 75 ℃, soaking for 30min under heat preservation, then drying, repeatedly soaking once, and drying again to obtain the pretreated knitted fabric; wherein the moisture content of the pretreated knitted fabric is 8%; the pretreatment solution is prepared from the following components in a mass ratio of 1: 3.5: 0.5: 0.05: 70 of citric acid, sodium octyl succinate sulfonate, dopamine, hydrogen peroxide and deionized water;
step II, dyeing: dyeing the pretreated knitted fabric obtained in the step I in a dyeing machine for 100min by using a plant dyeing solution to obtain a dyed knitted fabric; wherein, in the dyeing process, the dyeing bath ratio is 1: 9.5, the dyeing temperature is 42 ℃;
step III, drying: drying the dyed knitted fabric obtained in the step II at the temperature of 115 ℃, washing the dyed knitted fabric for 3 times by using warm water, and then drying the dyed knitted fabric again at the temperature of 110 ℃ to obtain a semi-finished knitted fabric; wherein the temperature of the warm water is 38 ℃; wherein the warm water contains 20% of cleaning agent by mass fraction;
step IV, color fixation and shaping: and (3) keeping the knitted fabric semi-finished product obtained in the step (III) in color-fixing steam at the temperature of 115 ℃ for 5min, then rinsing with clear water for 40min, airing, finally preserving heat for 3min at the temperature of 120 ℃, and preserving heat for 5min at the temperature of 140 ℃ to obtain a finished product.
Wherein the fixation steam is prepared from the following components in a mass ratio of 1: 0.15: 0.01: 70 of formaldehyde-free color fixing agent, di-sec-octyl maleate sodium sulfonate, glacial acetic acid and water.
Example 3
Dyeing process of knitted fabric
The method comprises the following steps:
step I, pretreatment: putting the knitted fabric into a pretreatment solution at the temperature of 68 ℃, preserving heat, soaking for 22min, then drying, repeatedly soaking once, and drying again to obtain the pretreated knitted fabric; wherein the moisture content of the pretreated knitted fabric is 6%; the pretreatment solution is prepared from the following components in a mass ratio of 1: 3.5: 0.5: 0.05: 62 of citric acid, sodium octyl succinate sulfonate, dopamine, hydrogen peroxide and deionized water;
step II, dyeing: dyeing the pretreated knitted fabric obtained in the step I for 85min by using plant dyeing liquid in a dyeing machine to obtain a dyed knitted fabric; wherein, in the dyeing process, the dyeing bath ratio is 1: 8.8, the dyeing temperature is 39 ℃;
step III, drying: drying the dyed knitted fabric obtained in the step II at the temperature of 90 ℃, washing the dyed knitted fabric for 3 times by using warm water, and then drying the dyed knitted fabric again at the temperature of 95 ℃ to obtain a semi-finished knitted fabric; wherein the temperature of the warm water is 36 ℃; wherein the warm water contains 16% of cleaning agent by mass fraction;
step IV, color fixation and shaping: and (3) keeping the knitted fabric semi-finished product obtained in the step (III) in color-fixing steam at the temperature of 108 ℃ for 2min, then rinsing with clear water for 25min, airing, and finally preserving heat for 3min at the temperature of 112 ℃ and preserving heat for 5min at the temperature of 132 ℃ to obtain a finished product.
Wherein the fixation steam is prepared from the following components in a mass ratio of 1: 0.15: 0.01: 66 of formaldehyde-free color fixing agent, sodium di-sec-octyl maleate sulfonate, glacial acetic acid and water.
Example 4
Dyeing process of knitted fabric
The method comprises the following steps:
step I, pretreatment: putting the knitted fabric into a pretreatment solution at the temperature of 72 ℃, preserving heat, soaking for 28min, then drying, repeatedly soaking once, and drying again to obtain the pretreated knitted fabric; wherein the moisture content of the pretreated knitted fabric is 7 percent; the pretreatment solution is prepared from the following components in a mass ratio of 1: 3.5: 0.5: 0.05: 68 of citric acid, sodium octyl succinate sulfonate, dopamine, hydrogen peroxide and deionized water;
step II, dyeing: dyeing the pretreated knitted fabric obtained in the step I in a dyeing machine for 95min by using a plant dyeing solution to obtain a dyed knitted fabric; wherein, in the dyeing process, the dyeing bath ratio is 1: 9.3, the dyeing temperature is 41 ℃;
step III, drying: drying the dyed knitted fabric obtained in the step II at the temperature of 110 ℃, washing the dyed knitted fabric for 2 times by using warm water, and then drying the dyed knitted fabric again at the temperature of 105 ℃ to obtain a semi-finished knitted fabric; wherein the temperature of the warm water is 37 ℃; wherein the warm water contains 19% of cleaning agent by mass fraction;
step IV, color fixation and shaping: and (3) keeping the knitted fabric semi-finished product obtained in the step (III) in color-fixing steam at the temperature of 112 ℃ for 4min, then rinsing the knitted fabric for 35min with clear water, airing the knitted fabric, and finally preserving the heat for 1min at the temperature of 118 ℃ and preserving the heat for 3min at the temperature of 138 ℃ to obtain the finished product.
Wherein the fixation steam is prepared from the following components in a mass ratio of 1: 0.15: 0.01: 69, a formaldehyde-free color fixing agent, di-sec-octyl maleate sodium sulfonate, glacial acetic acid and water.
Example 5
Dyeing process of knitted fabric
The method comprises the following steps:
step I, pretreatment: putting the knitted fabric into a pretreatment solution at the temperature of 70 ℃, preserving heat, soaking for 25min, then airing, repeatedly soaking once, and airing again to obtain the pretreated knitted fabric; wherein the moisture content of the pretreated knitted fabric is 6%; the pretreatment solution is prepared from the following components in a mass ratio of 1: 3.5: 0.5: 0.05: 65 of citric acid, sodium octyl succinate sulfonate, dopamine, hydrogen peroxide and deionized water;
step II, dyeing: dyeing the pretreated knitted fabric obtained in the step I for 90min by using plant dyeing liquid in a dyeing machine to obtain a dyed knitted fabric; wherein, in the dyeing process, the dyeing bath ratio is 1: 9.0, and the dyeing temperature is 40 ℃;
step III, drying: drying the dyed knitted fabric obtained in the step II at the temperature of 105 ℃, washing the dyed knitted fabric for 2 times by using warm water, and then drying the dyed knitted fabric again at the temperature of 100 ℃ to obtain a semi-finished knitted fabric; wherein the temperature of the warm water is 36 ℃; wherein the warm water contains 18% of cleaning agent by mass fraction;
step IV, color fixation and shaping: and (3) keeping the knitted fabric semi-finished product obtained in the step (III) in color-fixing steam at the temperature of 110 ℃ for 3min, then rinsing the knitted fabric for 30min with clear water, airing the knitted fabric, and finally preserving the heat for 2min at the temperature of 115 ℃ and preserving the heat for 4min at the temperature of 135 ℃ to obtain the finished product.
Wherein the fixation steam is prepared from the following components in a mass ratio of 1: 0.15: 0.01: 68 of formaldehyde-free color fixing agent, sodium di-sec-octyl maleate sulfonate, glacial acetic acid and water.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (15)
1. The dyeing process of the knitted fabric is characterized by comprising the following steps of:
step I, pretreatment: putting the knitted fabric into a pretreatment solution at the temperature of 65-75 ℃, soaking for 20-30 min under the condition of heat preservation, then drying in the air, repeatedly soaking once, and drying in the air again to obtain the pretreated knitted fabric; wherein, the moisture content of the pretreated knitted fabric is 5-8%;
step II, dyeing: dyeing the pretreated knitted fabric obtained in the step I in a dyeing machine by using plant dyeing liquid for 80-100 min to obtain a dyed knitted fabric;
step III, drying: drying the dyed knitted fabric obtained in the step II at the temperature of 95-115 ℃, washing the dyed knitted fabric for 2-3 times by using warm water, and then drying the dyed knitted fabric again at the temperature of 90-110 ℃ to obtain a knitted fabric semi-finished product; wherein the temperature of the warm water is 35-38 ℃;
step IV, color fixation and shaping: and (3) keeping the knitted fabric semi-finished product obtained in the step (III) in fixation steam at the temperature of 105-115 ℃ for 1-5 min, then rinsing with clean water for 20-40 min, airing, and finally carrying out heat setting to obtain a finished product.
2. The dyeing process of the knitted fabric according to claim 1, wherein in the step I, the pretreatment solution is composed of citric acid, sodium octyl sulfosuccinate, dopamine, hydrogen peroxide and deionized water.
3. The dyeing process of the knitted fabric according to claim 2, wherein the mass ratio of the citric acid to the sodium octyl sulfosuccinate to the dopamine to the hydrogen peroxide to the deionized water in the pretreatment solution is 1: 3.5: 0.5: 0.05: 60-70.
4. The dyeing process of the knitted fabric according to claim 1, wherein in the step II, in the dyeing process, the dyeing bath ratio is 1: 8.5-9.5, and the dyeing temperature is 38-42 ℃.
5. The dyeing process of the knitted fabric according to claim 1, wherein in the step III, the warm water contains 15-20% of a cleaning agent by mass fraction.
6. The dyeing process of the knitted fabric according to claim 1, wherein in the step IV, the fixing steam is prepared from the raw materials of 1: 0.15: 0.01: 65-70 parts of an aldehyde-free color fixing agent, di-sec-octyl maleate sodium sulfonate, glacial acetic acid and water.
7. The dyeing process of the knitted fabric according to claim 1, wherein in the step IV, in the heat setting process, the heat is preserved for 1min to 3min at the temperature of 110 ℃ to 120 ℃, and then preserved for 3min to 5min at the temperature of 130 ℃ to 140 ℃.
8. A dyeing machine for dyeing process according to claim 1, characterized by comprising a dyeing machine body (1), a chassis (2), a tray (3), a bottom plate (4) and a base (5), wherein said chassis (2) is fixedly arranged at the bottom of said dyeing machine body (1), said chassis (2) is slidably arranged in a tray cavity (31) at the top of said tray (3), an elastic ring (6) is respectively arranged between the front and rear sides of said chassis (2) and the inner side wall of said tray cavity (31), a projection (21) at the bottom of said chassis (2) passes through a sliding hole (33) at the bottom of said tray (3) to be fixedly connected with said bottom plate (4), a damping component (7) is arranged between said bottom plate (4) and said base (5), the front and rear sides of said tray (3) are abutted against the inner side wall of a concave cavity (51) of said base (5), and elastic pieces (8) are respectively arranged between the left side and the right side of the bottom plate (4) and the inner side wall of the cavity (51).
9. A dying machine as claimed in claim 8, characterised in that said shock absorbing assembly (7) comprises a pair of scissor arms (71), four sliders (73) and four compression springs (74), said scissor arms (71) comprising a pair of fork arms (711), said fork arms (711) being provided at their upper ends with rollers (72), said rollers (72) being slidingly arranged on the bottom surface of said base plate (4), the lower ends of said fork arms (711) being pivoted one to one on the respective sliders (73), said sliders (73) being slidingly arranged at the bottom of said cavity (51), and said sliders (73) being pressed one to one on the respective compression springs (74).
10. A dying machine as claimed in claim 9, characterised in that the push plate portion (731) of one end of said slider (73) is slidingly arranged in a spring hole (52) of said base (5), the other end of said slider (73) extends into said cavity (51) through a perforation (53) made on the inner end of said spring hole (52), said compression spring (74) is arranged in said spring hole (52), said shock-absorbing assembly (7) further comprises four plugs (75), said four plugs (75) being screwed one to the open end of the corresponding spring hole (52), the inner end of said plug (75) being pressed against the other end of the corresponding compression spring (74).
11. A dying machine as claimed in claim 8, characterised in that said elastic ring (6) is oval, and two ends of said elastic ring (6) along the minor axis are respectively provided with a positioning block (63), one of said positioning blocks (63) being embedded in a first slot (22) on said chassis (2), the other of said positioning blocks (63) being embedded in a second slot (32) on the inner side wall of said disc cavity (31).
12. A dying machine as claimed in claim 11, characterised in that between the inner sides of the two ends of said elastic ring (6) in the direction of the minor axis there is connected an inner ring (61) in the shape of a rhombus.
13. A dying machine as claimed in claim 12, characterised in that two pairs of opposite support arms (62) are provided on the inner lateral wall of said elastic ring (6), said support arms (62) having a first extension portion (621), a first bending portion (622), a second extension portion (623), a second bending portion (624), a third extension portion (625) and a third bending portion (626) connected in sequence, the free end of said first extension portion (621) being connected to the inner lateral wall of said elastic ring (6), said second bending portion (624) being able to press against the inner lateral wall of said elastic ring (6) when said elastic ring (6) is pressed, said first bending portion (622) and said third bending portion (626) being able to press against the first bending portion (622) and the third bending portion (626) of the other support arm (62), respectively.
14. A dying machine as claimed in claim 8, characterised in that said elastic member (8) comprises, connected in sequence, a pressing plate portion (81), a first bracing plate portion (82), a return bend portion (84) and a second bracing plate portion (83), said pressing plate portion (81) being press-fitted between said base plate (4) and said tray (3), said first bracing plate portion (82) resting on said base plate (4), said second bracing plate portion (83) resting on the inner side wall of said cavity (51).
15. A dying machine as claimed in claim 14, characterised in that on the internal side wall of said cavity (51) is mounted a sliding plate (9), said two stay plates (83) resting on said sliding plate (9).
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| CN202010199247.6A CN111235914A (en) | 2020-03-20 | 2020-03-20 | Dyeing process and dyeing machine for knitted fabric |
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| CN109750514A (en) * | 2017-11-06 | 2019-05-14 | 宁波侨泰兴纺织有限公司 | A kind of knitting fabric dyeing |
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