CN111809414A

CN111809414A - Stacking dyeing method and equipment

Info

Publication number: CN111809414A
Application number: CN202010796566.5A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2020-10-23

Abstract

The embodiment of the invention discloses a stacking dyeing method and stacking dyeing equipment, which are used for solving the hydrolysis phenomenon of cloth with high liquid carrying rate in the liquid squeezing and stacking processes. The method comprises the following steps of S1, controlling a cloth sending device to send cloth to a first rolling device, wherein a dye solution is contained in a trough of the first rolling device; s2, sending the cloth processed by the first rolling device to a second rolling device, wherein a charging basket of the second rolling device is filled with an auxiliary agent, and when the cloth enters the second rolling device, controlling the second rolling device to add the auxiliary agent to the surface of the cloth in a surface liquid feeding manner; s3, rolling the cloth processed by the second rolling device through a rolling device, sealing, packaging and stacking for fixation, wherein the stacking time is 1-72 hours, and the stacking temperature is not higher than 80 ℃; and S4, post-treating the cloth after stacking and color fixing, and collecting the post-treated cloth as a finished product.

Description

Stacking dyeing method and equipment

Technical Field

The invention relates to the technical field of textile dyeing, in particular to a stacking dyeing method and stacking dyeing equipment.

Background

The dyeing processing of cotton fabrics is an important processing product in the printing and dyeing industry, and the cold pad-batch process is one of the main dyeing processes.

In the traditional cotton fabric cold pad-batch dyeing process, cloth needs to be padded with a dye solution and an alkaline agent, then the cloth with the dye solution is stacked for fixation, the traditional padding mode is that the cloth is immersed into a mixed solution of a dye and the alkaline agent, and then padding is carried out after immersion, the dye is easy to hydrolyze in an alkaline environment in a trough, and dye waste and floating color are caused.

The traditional padding method has many, for example, even padder, heavy load padder, can all roll the cloth that has the dye liquor uniformly well, but whatever padding mode all has the problem that the liquid carrying rate of the cloth is higher after the rolling, the liquid carrying rate of traditional padding technology cloth all is more than 50%, because the liquid carrying rate of traditional padding technology is higher, the phenomenon of hydrolysis easily takes place under alkaline condition at long-time pile in-process dyestuff, lead to the dyestuff utilization ratio to be low, produce the floating, increase the washing burden.

The hydrolysis of the dye is an important factor causing low utilization rate of the dye and generation of a large amount of waste water in the cold pad-batch dyeing process of the reactive dye. Meanwhile, in the process of stacking and color fixing, because the liquid carrying rate is high, a large amount of free water exists, the migration phenomenon is easily caused, and the product quality is influenced.

Therefore, in order to solve the above technical problems, it is an important subject of research by those skilled in the art to find a stacking dyeing method and apparatus.

Disclosure of Invention

The embodiment of the invention discloses a stacking dyeing method and stacking dyeing equipment, which are used for solving the hydrolysis phenomenon of cloth with high liquid carrying rate in the liquid squeezing and stacking processes.

The embodiment of the invention provides a stacking and dyeing method, which comprises the following steps:

s1, controlling a cloth sending device to send cloth to a first rolling device, wherein a dye solution is contained in a trough of the first rolling device, the dye solution comprises one or more of reactive dye, vat dye, oxygen removing enzyme, penetrating agent and dispersing agent, and the liquid carrying rate of the cloth after being rolled by the first rolling device is 20% -70%;

s2, sending the cloth processed by the first rolling device to a second rolling device, wherein an auxiliary agent is contained in a charging basket of the second rolling device, and the auxiliary agent comprises one or more of an alkaline agent, a stiffening resin and a softening agent;

when the cloth enters the second rolling device, the second rolling device is controlled to add an auxiliary agent to the surface of the cloth in a surface liquid feeding mode, so that the dye is combined with the cloth under the action of the auxiliary agent, the dye carried by the cloth in the step S1 is not in contact with the auxiliary agent in a charging basket of the second rolling device before the auxiliary agent in the second rolling device is applied to the cloth, and the liquid carrying rate of the cloth after being rolled by the second rolling device is 30% -90%;

the surface liquid feeding mode comprises a spraying mode, a rotary screen printing mode, a gravure coating mode and a gravure printing and rolling mode;

the surface liquid feeding mode comprises single-surface or double-surface liquid feeding, and the liquid is fed into the fiber organization mechanism of the cloth through the rolling of a pressure device;

s3, rolling the cloth processed by the second rolling device through a rolling device, sealing, packaging and stacking for fixation, wherein the stacking time is 1-72 hours, and the stacking temperature is not higher than 80 ℃;

s4, post-treating the cloth after the stacking and color fixing are finished, and collecting the post-treated cloth as a finished product;

and the post-treatment at least comprises primary washing, soaping, secondary washing and drying in sequence.

Optionally, a step S1a is further provided between the step S1 and the step S2, wherein the step S1a includes:

and (3) after the cloth obtains a certain amount of dye solution, carrying out natural diffusion and permeation treatment by using a dye natural diffusion and permeation device, wherein the treatment time is 0-200 seconds.

Optionally, a step S1b is further provided between the step S1 and the step S2, wherein the step S1b includes:

after obtaining a certain amount of dye solution, the cloth is subjected to pre-drying treatment by a first pre-drying device, the pre-drying temperature is set to be 50-150 ℃, and the pre-drying time is set to be 10-90 seconds.

Optionally, a step S2a is further provided between the step S2 and the step S3, wherein the step S2a includes:

and (3) after the cloth obtains a certain amount of auxiliary agent solution, carrying out pre-drying treatment by a second pre-drying device, setting the pre-drying temperature to be 50-150 ℃, and setting the pre-drying time to be 10-90 seconds.

Optionally, the dye solution further comprises one or more of a penetrating agent, a wetting agent, urea, sodium alginate, an oxygen removing enzyme, a dispersing agent NNO, a leveling agent MF and a Marc copolymer; the reactive dye also comprises one or more of a dye containing vinyl sulfone active groups, a dye containing monochlorotriazine active groups, a dye containing dichloros-triazine active groups, and a double or multiple reactive group dye containing vinyl sulfone active groups and monochlorotriazine active groups;

the auxiliary agent comprises one or more of sodium citrate, sodium carbonate, sodium bicarbonate, sodium hydroxide, sodium silicate, sodium metasilicate, trisodium phosphate, sodium dihydrogen phosphate, potassium hydroxide and sodium trichloroacetate.

Optionally, the stacking fixation treatment process is a rotating stacking process, which specifically includes:

the cloth material roll after being rolled is arranged on a material roll frame provided with a rotating device, the cloth material roll is driven by the rotating device to slowly rotate, and the rotating speed is 1-30 circles per minute.

The embodiment of the invention provides a stacking dyeing device, which at least comprises a cloth sending device, a first rolling device, a second rolling device, a post-processing device and a finished product collecting device, wherein the cloth sending device is used for sending cloth to the stacking dyeing device;

the cloth sending device, the first rolling device, the second rolling device, the post-processing device and the finished product collecting device are sequentially arranged.

Optionally, the first rolling device is a leveling mangle, the second rolling device is a quantitative coating rolling device, and the quantitative coating rolling device is one or more of a single-sided or double-sided rotary screen printing and rolling device, a single-sided or double-sided coating and rolling device transferred by an anilox roller, an internal injection type coating roller single-sided or double-sided coating and rolling device, a single-sided or double-sided spraying and rolling device, a digital spraying and rolling device, or a single-sided or double-sided rotary printing and rolling device.

Optionally, the natural diffusion device further comprises a support frame and a guide wheel arranged on the support frame.

Optionally, the drying device further comprises a first pre-drying device and/or a second pre-drying device, wherein the first pre-drying device and/or the second pre-drying device is a heating hood, a tenter setting machine, a drying box or a drying roller.

According to the technical scheme, the embodiment of the invention has the following advantages:

the stacking dyeing method disclosed by the invention has the advantages that the dyes and the alkaline agent are applied separately, the alkaline agent is applied by adopting a surface liquid feeding application mode, the hydrolysis phenomenon of the reactive dyes in an alkaline agent trough in the traditional process is avoided, meanwhile, the liquid carrying rate of the cloth entering the stacking stage is lower, the problem that the dyes are easy to hydrolyze under the alkaline condition in the long-time stacking process of the cloth is effectively solved, meanwhile, the liquid carrying rate of the cloth in the stacking stage is lower, the migration phenomenon caused by the high liquid carrying rate is also solved, and the product quality is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic flow chart of a stacking and dyeing method according to a first embodiment of the present invention;

fig. 2 is a schematic structural view of a second rolling device in the stack dyeing apparatus according to the second embodiment of the present invention;

fig. 3 is another schematic structural diagram of a second rolling device in the stack dyeing apparatus according to the second embodiment of the present invention;

fig. 4 is a schematic structural diagram of a batching device of a second rolling device in the stack dyeing equipment provided in the second embodiment of the present invention;

fig. 5 is a schematic structural view of a second rolling device in the stack dyeing apparatus according to the third embodiment of the present invention;

FIG. 6 is a schematic structural view of an internally-injected coating roll in the third embodiment of the present invention;

fig. 7 is a schematic structural view of a second rolling device and a first rolling device in the third embodiment of the present invention;

fig. 8 is a schematic structural view of a second rolling device in the fourth embodiment of the present invention;

fig. 9 is a schematic structural view of a first rolling device in a fifth embodiment of the present invention;

fig. 10 is a schematic structural view of a first press roll in the first press device in the fifth embodiment of the present invention;

FIG. 11 is a schematic structural view of a stacking and dyeing apparatus according to the present invention;

FIG. 12 is a schematic view of a second structure of a stacking and dyeing apparatus according to the present invention;

FIG. 13 is a schematic view of a third structure of a stacking and dyeing apparatus according to the present invention;

fig. 14 is a second structural schematic view of a pad unit of a second pad device in the stack dyeing apparatus according to the second embodiment of the present invention;

illustration of the drawings: a first hydraulic pressure limiting roller 1; a first liquid-carrying roller 2; a first roll 3; a material receiving groove 4; a first pressure device 5; a second pressure device 6; a second hydraulic pressure limiting roller 7; a second liquid-carrying roller 8; a second roll 9; a third pressure device 10; a fourth pressure device 11; a cloth delivery device 12; a first rolling device 13; a second rolling device 14; a rolling device 15; the material receiving device 16 is not stopped; a pin tentering, drying and setting machine 17; a first pre-drying device 18; a second pre-baking device 19; a receiving bucket 20; a fourth duct 21; a third conduit 22; a stirring barrel 23; an ultrasonic oscillation device 24; a second duct 25; a raw material barrel 26; a first conduit 27; an electronic weighing device 28; a first embossing module 29; a second printing and rolling module 30; an internal injection type coating roll 31; the outer wall 3101 of the inner injection type coating roll; water-permeable micropores 3102 of the internal injection type coating roll; a center hole 3103; a pump 32; a first press roll 33; a roller blank 3301 of a first press roller; a water permeable cladding layer 3302; water permeable micropores 3303 of the first press roll; a through hole 3304; a second press roll 34; a third press roll 35; a fourth press roll 36; a pushing device 37; a trough 38; a negative pressure suction device 39; a scraper 40; an anilox roller 41; a first reservoir 42; and a second reservoir 43.

Detailed Description

In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1, a stacking and dyeing method provided in this embodiment includes:

s3, rolling the cloth processed by the second rolling device through a rolling device, sealing, packaging and stacking for fixation, wherein the stacking time is 1-72 hours, and the stacking temperature is not higher than 80 ℃; the optimal stacking temperature is 30-50 ℃; the optimum stacking time is 5 to 15 hours.

According to the color requirement, the dosage of the reactive dye is 1-80 g/L; the dosage of the color fixing alkali is 5-50g/L, and the optimal dosage is 20 g/L;

preferably, the reactive dye is a reactive dye containing two or more reactive groups, and is most preferably a divinyl sulfone reactive dye;

preferably, the liquid carrying rate of the cloth in the step S1 and the step S2 are both 35%.

The stacking dyeing method in the embodiment applies the dye and the alkaline agent separately, and applies the alkaline agent in a surface liquid feeding manner, so that the hydrolysis phenomenon of the active dye in an alkaline agent trough in the traditional process is avoided, meanwhile, the liquid carrying rate of the cloth entering the stacking stage is low, the problem that the dye is easy to hydrolyze under alkaline conditions in the long-time stacking process of the cloth is effectively solved, meanwhile, the liquid carrying rate of the cloth in the stacking stage is low, the migration phenomenon caused by high liquid carrying rate is also solved, and the product quality is improved.

Further, a step S1a is further provided between the step S1 and the step S2, wherein the step S1a includes:

Further, a step S1b is further provided between the step S1 and the step S2, wherein the step S1b includes:

Further, a step S2a is further provided between the step S2 and the step S3, and the step S2a includes:

It should be noted that, the moisture content of the cloth surface passing through the first pre-drying device and the second pre-drying device is preferably 30 to 40%, and the optimal moisture content of the cloth surface is 35%.

Further, the dye solution also comprises one or more of a penetrating agent, a wetting agent, urea, sodium alginate, an oxygen removing enzyme, a dispersing agent NNO, a leveling agent MF and a Marc copolymer; the reactive dye also comprises one or more of a dye containing vinyl sulfone active groups, a dye containing monochlorotriazine active groups, a dye containing dichloros-triazine active groups, and a double or multiple reactive group dye containing vinyl sulfone active groups and monochlorotriazine active groups;

Further, the stacking fixation treatment process is rotating stacking, and specifically comprises the following steps:

It should be noted that, the rotating device may be a motor, a hydraulic device, or other prior art, and the rotating device only needs to be capable of driving the material roll rack to rotate, and the specific structure is not limited.

Further, preferred conditions for the stack dyeing are: on the premise of selecting proper dyes and auxiliary agents, the liquor carrying rate of the fabric after the first rolling (or after the first pre-drying) is kept to be 35 percent, the liquor carrying rate after the second rolling (or after the second pre-drying) is kept to be 35 percent, the stacking temperature is 40 ℃, and the stacking time is 8 hours, so that salt-free dyeing of cotton fabrics can be realized, the color fixing rate of the dyes is improved, the dye consumption is reduced, water is saved, and the product quality can reach the traditional dyeing effect.

Further, in the practical application process, in order to save equipment and a field, the first pressing device can be replaced by the second pressing device, and the first pre-drying device is replaced by the second pre-drying device, that is: the dye liquor is applied and pre-dried by adopting the second rolling device, the auxiliary agent solution is applied and pre-dried by adopting the second rolling device, and then the dyeing liquor is rolled and piled for fixation, so that the application effect of the invention can be achieved under the condition that only one group of rolling devices and one group of pre-drying devices are provided.

Application example

The application example describes in detail a stacking dyeing method in the first embodiment, which specifically includes the following contents:

application example 1

1.1 materials and instruments

Fabric: commercially available pure cotton fabric

Reagent:

reactive dyes: ramalin RGB dark blue

Self-made reactive dye auxiliary agent

The instrument comprises the following steps: quantitative printing and rolling device with liquid (self-made)

Electronic balance of FA2014N type

SW-12 model washing color fastness instrument

Y5711 type friction colour fastness instrument

1.2 dyeing Process

The formula is as follows: ramainin RGB dark blue: 15g/L

Self-made reactive dye auxiliary agent: 20g/L

The process flow comprises the following steps: the method comprises the following steps of (1) applying a liquid dyeing agent to the surface of pure cotton gray cloth after pretreatment → rolling (liquid carrying rate is 30%) → applying an auxiliary agent to the surface and rolling (liquid carrying rate is 60%) → prebaking till the liquid carrying rate is 35% → rolling (sealed packaging) → stacking and fixing in a heat preservation chamber at 40 ℃ for 10h → washing with water → washing with soap → washing with water → drying → dyeing performance evaluation.

1.3 test methods

The color fastness to rubbing is determined according to GB/T3920-2008 ' color fastness to rubbing for textile test, and the color fastness to soaping is determined according to GB/T3921-2008 ' color fastness to textile test, color fastness to soaping '.

2 results and discussion

The above tests on the Ramalin dyeing of cotton fabrics have been carried out, the results of the test on the fastness of the test being shown in the following table (Table 1)

TABLE 1

Table 1 shows that the color fastness indexes of the above list reach the level of the conventional pad dyeing process by adopting the stacking dyeing process.

Application example 2

The cloth is a semi-finished product after pure cotton semi-bleaching pretreatment and drying, and is dyed by the stacking dyeing process and the stacking dyeing equipment according to the embodiment I, and the method comprises the following steps:

(1) primary rolling: the liquid carrying rate of the cloth after being rolled by the low liquid carrying rate rolling device is 30 percent; the components in the trough of the low-liquid-ratio rolling device are as follows:

active light yellow BES (Shanghai Wande chemical Co., Ltd.), with concentration of 30 g/L;

active bright red BF-2GF (Wujiang Taoyuan dye Co., Ltd.) with the concentration of 10 g/L;

oxygen removing enzyme with the concentration of 2 g/L;

2) natural diffusion and permeation treatment for 1 minute;

(3) secondary rolling: the liquid carrying rate of the cloth after being sequentially rolled by the second rolling device is 50 percent;

the composition in the charging basket of the second rolling device is caustic soda, and the concentration is 7 g/L;

(4) pre-drying treatment: heating and pre-drying by the pre-drying device, and controlling the liquid carrying rate at 30%.

(5) Rolling, sealing, packaging, and stacking at room temperature for 12 hr.

(6) And sequentially carrying out cold water washing, hot water soaping, cold water washing and drying and finished product collection operation.

The detection result shows that: the color of the cloth is uniform and full, the chromatic light is bright and pure, and the front and the back are consistent. All the color fastness indexes and safety indexes meet the traditional requirements.

Application example 3

The cloth is a semi-finished product of pure cotton plain weave cloth after pretreatment and drying, and is dyed according to the stacking dyeing process and the equipment, which comprise the following steps:

(1) primary rolling: the liquid carrying rate of the cloth after passing through the low liquid carrying rate rolling device is 60 percent; the dye solution comprises the following components:

ramainin RGB dark blue: 20 g/L;

the concentration of the penetrating agent is 0.5 g/L;

the anti-migration agent has the concentration of 3 g/L;

(2) pre-drying until the moisture content (liquid content) is 5%;

(3) secondary rolling: the liquid carrying rate of the cloth after sequentially passing through the second rolling device is 40 percent;

the components in the charging basket of the second rolling device are as follows:

5g/L of caustic soda;

sodium citrate with the concentration of 15 g/L;

(4) rolling, sealing, packaging, and stacking at room temperature for 18 hr.

(5) And sequentially carrying out cold water washing, hot water soaping, cold water washing and drying and finished product collection operation.

Example two

Referring to fig. 2 to 4 and fig. 11 to 13, the second embodiment provides a stacking and dyeing apparatus applied to a stacking and dyeing method, which includes:

the cloth feeding device 12, the first rolling device 13, the second rolling device 14, the rolling device 15, the post-processing device and the finished product collecting device;

the cloth sending device 12, the first rolling device 13, the second rolling device 14, the rolling device 15, the post-processing device, and the finished product collecting device are arranged in sequence.

Further, the first rolling device 13 is a uniform padder, the second rolling device 14 is a quantitative coating rolling device, and the quantitative coating rolling device is one or more of a single-sided or double-sided rotary screen printing and rolling device, a single-sided or double-sided coating and rolling device transferred by an anilox roller, a single-sided or double-sided coating and rolling device transferred by an internal injection coating roller, a digital coating and rolling device transferred by an internal injection coating.

It should be noted that the first rolling device 13 is a uniform padder, which is a prior art, and the padder generally includes a trough and a press roll, and the cloth is soaked in the dye solution through the trough and then enters the press roll to be rolled.

Of course, the first rolling device 13 is preferably a surface-fed quantitative coating rolling device, which can reduce the amount of liquid to be carried and save drying time and energy consumption.

The traditional padding method is to pad the cloth in a trough, a part of solution is extruded out through padding after excessive liquid is carried out, but part of solution in gaps of the organization structure of the fiber cannot be extruded, so that the liquid carrying capacity of the traditional padding method is higher and is usually more than 60%, the problem of the liquid carrying capacity can be well solved by adopting surface application methods such as spraying or printing and coating, and the like, the liquid carrying capacity can be quantitatively applied according to the process requirements, researches show that when the liquid carrying capacity of the cotton fabric is 30%, the carried water is basically combined water, more than 30% of the water is free water, and the free water easily causes hydrolysis of reactive dye and easily causes the migration phenomenon of the dye.

If the quantitative coating and rolling device is the single-side and double-side rotary screen printing device, the universal single-side and double-side rotary screen printing device controls the final liquid carrying rate of the cloth according to the mesh number of the rotary screen and the pressure;

if the quantitative coating and rolling device is the single-side or double-side spraying or digital spraying device, the single-side or double-side spraying or digital spraying device controls the final liquid carrying rate of the cloth by controlling the spraying amount.

Further, the quantitative coating and rolling device comprises a frame, a printing and rolling assembly, a material receiving groove 4, a first pressure device 5 and a second pressure device 6;

the printing and rolling assembly comprises a first printing and rolling module 29, the first printing and rolling module 29 at least comprises a first liquid-carrying roller 2, a first liquid-limiting roller 1 and a first roller 3, the first liquid-carrying roller 2 is rotatably arranged on the rack, a concave part is arranged on the outer surface of the first liquid-carrying roller 2, the first liquid-carrying roller 2 is a liquid-carrying roller with a steel or ceramic surface, and the first liquid-limiting roller 1 and the first roller 3 are elastic rubber-coated rollers;

the material receiving groove 4 is arranged on the inner side of the frame, the material receiving groove 4 is positioned below the printing and rolling assembly, the first liquid limiting pressure roller 1 is rotatably arranged on the frame, the first hydraulic limiting roller 1 is connected with the first pressure device 5, the first pressure device 5 can drive the first hydraulic limiting roller 1 and the first liquid-carrying roller 2 to roll mutually, when the first pressure device 5 drives the first liquid limiting roller 1 and the first liquid carrying roller 2 to roll mutually, a liquid storage area of raw material solution is formed between the first liquid limiting roller 1 and the first liquid carrying roller 2, the first liquid limiting roller 1 and the first liquid carrying roller 2 have opposite running directions, the first roller 3 is rotatably arranged on the frame, and the first roller 3 is connected with the second pressure device 6, and the second pressure device 6 can drive the first roller 3 and the first liquid-carrying roller 2 to roll mutually.

In the embodiment, a liquid storage area of a raw material solution is formed between the first liquid limiting roller 1 and the first liquid carrying roller 2 in a working state, the running directions of the first liquid limiting roller 1 and the first liquid carrying roller 2 are opposite, the first liquid limiting roller 1 presses the first liquid carrying roller 2, so that the solution on the surface of the first liquid carrying roller 2 is extruded and stays in the liquid storage area, only a certain amount of solution is reserved in the concave part of the first liquid carrying roller 2 and rotates along with the first liquid carrying roller 2, the first roller 3 can be pressed by the first liquid carrying roller 2 under the drive of the second pressure device 6, a cloth to be processed passes through the space between the first roller 3 and the first liquid carrying roller 2, the certain amount of solution reserved in the concave part of the first liquid carrying roller 2 can be pressed into the tissue structure of the cloth fiber, and the amount of the liquid carrying entering the cloth can be reduced to the minimum according to needs through the design, the dye liquor can be effectively pressed into the tissue structure of the base material by the rolling of the first roller 3, the technical problem that the liquor carrying quantity is higher after the existing cloth is rolled is well solved, and the product quality is ensured.

Further, the quantitative coating and rolling device further comprises a third pressure device 10 and a fourth pressure device 11, the rolling assembly further comprises a second rolling module 30 which is the same as the first rolling module 29, and the first rolling module 29 and the second rolling module 30 are arranged on the rack in the front-back direction along the process flow direction;

the second printing and rolling module 30 at least comprises a second liquid-carrying roller 8, a second liquid-limiting roller 7 and a second roller 9 which are rotatably arranged on the rack, the second liquid-limiting roller 7 is connected with a third pressure device 10, the third pressure device 10 can drive the second liquid-limiting roller 7 to be pressed and rolled with the second liquid-carrying roller 8, the second roller 9 is connected with a fourth pressure device 11, and the fourth pressure device 11 can drive the second roller 9 to be pressed and rolled with the second liquid-carrying roller 8;

the first liquid carrying roller 2 and the second liquid carrying roller 8 run in opposite directions.

Further, the quantitative coating and rolling device further comprises a liquid feeding device, the liquid feeding device comprises a baffle assembly, a charging bucket, a material receiving groove and a liquid feeding pipeline, the liquid feeding pipeline is connected between the charging bucket and the baffle assembly, the liquid feeding pipeline is connected with a pump, the charging bucket is arranged above or below or beside the quantitative coating and rolling device, and the material receiving groove is located below or at two ends of the quantitative coating and rolling device.

The baffle assembly comprises a first left baffle and a first right baffle, the first left baffle and the first right baffle are respectively positioned at two ends of the first liquid carrying roller 2 and the first liquid limiting roller 1 and are respectively matched with two ends of the first liquid carrying roller 2 and two ends of the first liquid limiting roller 1, and the first left baffle and the first right baffle, the first liquid carrying roller 2 and the first liquid limiting roller 1 form a first liquid storage area;

the baffle assembly further comprises a second left baffle and a second right baffle, the second left baffle and the second right baffle are respectively located at two ends of the second liquid carrying roller 7 and the second liquid limiting roller 8 and are respectively matched with two ends of the second liquid carrying roller 8 and two ends of the second liquid limiting roller 7, and the second left baffle and the second right baffle and the second liquid carrying roller 8 and the second liquid limiting roller 7 form a second liquid storage area.

Further, the printing and rolling assembly has a second structure, and specifically includes:

the first embossing module 29 and the second embossing module 30, the first embossing module 29 at least comprises a first liquid-limiting roller 1 and a first liquid-carrying roller 2, the second embossing module 30 at least comprises a second liquid-carrying roller 8 and a second liquid-limiting roller 7 which are rotatably arranged on a rack, the first liquid-limiting roller 1, the first liquid-carrying roller 2, the second liquid-carrying roller 8 and the second liquid-limiting roller 7 are sequentially arranged in the horizontal direction and are sequentially embossed through a pressure device, the first liquid-carrying roller 2 and the second liquid-carrying roller 8 are steel or stainless steel rollers, the surfaces of the rollers are subjected to electroplating or ceramic spraying or Teflon spraying or rubber coating treatment, a working area of the outer surfaces of the rollers are provided with concave parts, the concave parts are circular or polygonal concave points prepared according to the traditional anilox roller method, and the mesh number of the concave points is 30-150 meshes;

the first liquid limiting roller 1 or/and the second liquid limiting roller 7 is/are rubber covered rollers;

the power device is connected with one or more of the first liquid limiting roller 1, the first liquid carrying roller 2, the second liquid carrying roller 8 and the second liquid limiting roller 7;

in this embodiment, a first liquid storage area 42 is formed between the first liquid limiting roller 1 and the first liquid carrying roller 2 in a working state, the running directions of the first liquid limiting roller 1 and the first liquid carrying roller 2 are opposite, the first liquid limiting roller 1 presses the first liquid carrying roller 2, so that the solution on the surface of the first liquid carrying roller 2 is extruded and stays in the first liquid storage area 42, and only a certain amount of solution is reserved in the concave portion of the first liquid carrying roller 2 and rotates along with the first liquid carrying roller 2;

a second liquid storage area 43 is formed between the second liquid carrying roller 8 and the second liquid limiting roller 7, the running directions of the second liquid carrying roller 8 and the second liquid limiting roller 7 are opposite, the second liquid limiting roller 7 presses the second liquid carrying roller 8, so that the solution on the surface of the second liquid carrying roller 8 is extruded and stays in the second liquid storage area 43, and only a certain amount of solution is reserved in the concave part of the second liquid carrying roller 8 and rotates along with the second liquid carrying roller 8;

the first liquid carrying roller 2 and the second liquid carrying roller 8 are driven by the pressure device to roll each other, cloth to be processed passes through the space between the first liquid carrying roller 2 and the second liquid carrying roller 8 from bottom to top, quantitative solutions reserved in the concave parts of the first liquid carrying roller 2 and the second liquid carrying roller 8 can be respectively rolled into the front surface and the back surface of the cloth, and the cloth goes deep into a fiber tissue structure under the action of pressure, so that the structure of the equipment is simplified, and the practical operation is facilitated.

Further, the quantitative coating and rolling device further comprises an impurity removing device and an adjusting device, wherein the impurity removing device is a scraper knife or a brush wheel, and the scraper knife or the brush wheel is arranged on the outer surface of the first liquid limiting roller 1 or/and the first liquid carrying roller 2 or/and the first roller 3;

the outer edge of the knife edge or the brush wheel of the scraper knife is abutted against the outer surface of the first liquid-carrying roller 2 or/and the first liquid-limiting roller 1 or/and the first roller 3;

the shovel blade at least comprises a blade shaft, a blade holder and a blade, wherein the blade is fixed on the blade holder, two ends of the blade holder are connected with the blade shaft, the blade shaft is connected with an adjusting device, and the adjusting device is fixed on two sides of the rack;

the brush wheel at least comprises a shaft head, a shaft core connected with the shaft head and a brush arranged on the outer surface of the shaft core, and the shaft head is connected with the adjusting device.

Further, the quantitative coating and rolling device also comprises a batching device;

the batching device comprises at least one raw material barrel 26, at least one stirring barrel 23, at least one receiving barrel 20 and at least one electronic weighing device 28, the raw material barrel in the first embodiment is equivalent to the stirring barrel 23 in the present embodiment, the stirring barrel 23 is used for stirring and mixing the raw materials in the raw material barrels 26, so as to form the dye or the auxiliary agent solution required by the cloth, the bottom of the electronic weighing device 28 is fixed on the frame, the receiving bucket 20 is placed on the electronic weighing device 28, a first pipeline 27 and a first pump are connected between the raw material bucket 26 and the receiving bucket 20, a fourth valve and a fourth pipeline 21 are connected between the receiving barrel 20 and the stirring barrel 23, the bottom of the stirring barrel 23 is connected with a second pipeline 25 and a second valve which are communicated with the liquid storage area, a third pipeline 22 and a third pump are connected between the material receiving groove 4 and the stirring barrel 23.

Further, the quantitative coating and rolling device further comprises an ultrasonic oscillation device 24, wherein the ultrasonic oscillation device 24 comprises an ultrasonic generator, a horn, a transducer and a vibrator;

the vibrator is arranged on the side wall of the raw material barrel 26 or/and the side wall of the stirring barrel 23, the amplitude transformer is connected with the ultrasonic generator, the amplitude transformer is connected with the energy converter, the energy converter is connected with the vibrator, the ultrasonic frequency of the ultrasonic oscillation device 24 is between 20KHz and 80KHz, and the input power of each group of ultrasonic oscillation devices is between 0.2kW and 10 kW.

Further, an online liquid carrying rate detection device is arranged behind the first rolling device 13 or/and the second rolling device 14, and parameters such as pressure, gap, liquid carrying rate and the like of the first or/and the second rolling device 14 are controlled and adjusted in real time on line by detecting parameters of the actual liquid carrying rate after rolling, so that the purpose of online real-time timely automatic control is achieved.

Further, the stacking and dyeing equipment further comprises a natural diffusion device, wherein the natural diffusion device comprises a support frame and a guide wheel arranged on the support frame.

Further, the stack dyeing equipment further comprises a first pre-drying device 18 and/or a second pre-drying device 19, and the first pre-drying device 18 and/or the second pre-drying device 19 are a heating hood, a tenter setting machine, a drying box or a drying roller.

The stacking dyeing equipment further comprises a batching control system or/and a color detection control system, wherein the color detection control system comprises a spectrophotometer, a data processor, a data memory, a batching control system and the like, the spectrophotometer is arranged in front of the finished product collecting device, the spectrophotometer, the data processor, the data memory and the batching control system are electrically connected, the color of the finished product is detected through the spectrophotometer, digital information is formed, the detected color is subjected to color separation according to three primary colors through the data processor and the data memory and is compared with the color of the template, then a control data instruction is output, and the working state of each valve (or/and pump) is controlled through the electromechanical control system, so that the purposes of automatic batching and color control are achieved.

EXAMPLE III

Referring to fig. 5 to 7, in the present embodiment, a quantitative coating and rolling device (a second rolling device 14) is improved on the basis of the second embodiment, and the quantitative coating and rolling device is an internal injection type coating roll single-sided and double-sided coating and rolling device, which specifically includes:

the coating device comprises a pipeline and an internal injection type coating roller 31, wherein the surface of the internal injection type coating roller 31 is provided with a plurality of water-permeable micropores;

the pipeline is connected with a material pumping pump 32, the material pumping pump 32 pumps the additive solution from the material barrel of the second rolling device 14 into the inner cavity of the inner injection type coating roller 31, the material pumping pump 32 is a chemical pump, a diaphragm pump or a pneumatic pressure barrel, preferably, the material pumping pump 32 is a pump with adjustable flow, and the content of the additive output to the surface of the cloth by the roller of the inner injection type coating roller 31 is adjusted by adjusting the flow of the pump.

Or the bottom of the charging basket is higher than the inner injection type coating roller 31, and the flow of the additive solution is controlled through a valve connected to the pipeline or/and the flow of the additive solution is controlled through adjusting the height of the liquid level of the charging basket, so that the content of the additive solution output to the surface of the cloth by the roller of the inner injection type coating roller 31 is adjusted.

When the two internally-injected coating rollers 31 are pressed together, the auxiliary agent is fed into the inside of the internally-injected coating rollers 31 through the center holes 3103 at the shaft ends of the internally-injected coating rollers 31, enters the surface of the fabric between the two internally-injected coating rollers 31 through the water-permeable micropores, and is pushed down into the fiber gaps of the fabric by the two internally-injected coating rollers 31. Since the auxiliary solution is continuously transported from the inside of the internally-injected coating roll 31 to the outside roll surface, the dye solution carried on the surface of the fabric is not easy to enter the internally-injected coating roll 31, the auxiliary solution in the internally-injected coating roll 31 is not affected, and the two solutions can only be in contact with each other on the fabric and then undergo a physical or chemical reaction.

Example four

Referring to fig. 8, in the present embodiment, a quantitative coating and rolling device (a second rolling device 14) is improved on the basis of the second embodiment, and the quantitative coating and rolling device is a single-sided and double-sided coating and rolling device transferred by an anilox roll, and specifically includes:

a set of anilox rollers 41, a set of scraper blades 40, and a set of steel or rubber-coated roller, wherein the anilox rollers 41 are rotatably arranged on a frame, the edges of the scraper blades 40 abut against the roller surfaces of the anilox rollers 41, the scraper blades 40 are arranged parallel to the axis of the anilox, and the scraper blades 40 are plastic plate scraper blades 40 or metal sheet scraper blades 40; the anilox roller 41 is a plate roller commonly used for gravure printing, the surface of a steel roller blank is made into a plate roller with concave points through knurling embossing or laser engraving or acid corrosion, dye solution can be contained in the concave points, a scraper 40 scrapes off redundant dye solution on the surface of the plate roller, the dye solution in the concave points is transferred to the surface of the cloth during rolling, and part of the dye solution is deep into the cloth after being rolled.

Further, two-sided coating unit through anilox roller 41 knife coating includes two sets of anilox roller 41, two sets of scraper 40 at least, and two anilox rollers 41 set up each other the roll over, and the edge of two scraper 40 supports respectively to lean on correspondingly the roll surface setting of anilox roller 41, scraper 40 is on a parallel with the correspondence the axis setting of anilox roller 41, scraper 40 is plastic slab scraper 40 or sheetmetal scraper 40.

The size of the pits and the gap or pressure between the doctor blade 40 and the anilox roller 41 determine the liquid carrying rate of the anilox roller 41, and the final liquid carrying rate of the cloth is determined by adjusting the pressure or gap between the anilox roller 41 and a steel or rubber covered roller.

EXAMPLE five

Referring to fig. 9 to 10, in the present embodiment, the structure of the first rolling device 13 is improved on the basis of the second embodiment, and the first rolling device 13 may be a padder capable of reducing the liquid carrying rate. Because the fabric is required to be subjected to secondary padding, the secondary padding is facilitated only when the liquid carrying rate of the fabric is low after passing through the first padding device 13, and the low liquid carrying rate can be reduced or not used for pre-drying, so that energy conservation is facilitated on the premise of preventing dye migration, and the selection of a padder with the low liquid carrying rate is particularly important.

The padder capable of reducing the liquid carrying rate comprises a frame, a guide wheel device, a rolling module, a trough 38, a pushing device 37, a power device and the like; the trough 38 is arranged on the inner side of the support bracket and is positioned below the rolling module; the low-belt liquid ratio rolling module at least comprises a first pressing roller 33, a second pressing roller 34, a third pressing roller 35 and a fourth pressing roller 36; the first pressing roller 33 is rotationally fixed on the support bracket, the second pressing roller 34, the third pressing roller 35 and the fourth pressing roller 36 are arranged around the first pressing roller 33 and are arranged in a pressing manner with the first pressing roller 33, and the pressing force provided by the pushing device 37 is used for pressing or separating with the first pressing roller 33; the cover is equipped with the coating of permeating water outside the roller embryo of first compression roller 33, the coating of permeating water is an annular cylinder, the interior circle of annular cylinder with the excircle cooperation setting of the roller embryo of first compression roller 33, and the cover is located the excircle of the roller embryo of first compression roller 33. The water-permeable coating layer is made of water-permeable fiber cloth or rubber-plastic elastomer.

The outer wall of the roller blank of the first compression roller 33 is provided with a plurality of water permeable micropores and is coated with a water permeable coating layer, and a water through groove communicated with each other is arranged between every two adjacent water permeable micropores; the water-permeable micropores are communicated with the inner cavity of the first compression roller 33; the center of at least one of them axle head of first compression roller 33 is equipped with through-hole 3304, through-hole 3304 with the inner chamber of first compression roller 33 communicates with each other, through-hole 3304 is connected with rotary joint, rotary joint is connected with negative pressure suction device 39, the coating that permeates water is pervious fiber cloth or rubber and plastic elastomer.

It should be noted that, when the cloth soaked with the dye enters the rolling module, the second press roll 34, the third press roll 35, and the fourth press roll 36 synchronously press the first press roll 33, so as to roll the cloth, and part of the solution flowing out of the rolled cloth is drawn out from the micropores of the water-permeable coating layer on the first press roll 33, and by the above design, the liquid carrying capacity of the cloth can be effectively reduced, and preferably, the liquid carrying capacity of the cloth after the cloth is rolled by the first rolling device 13 is 35%.

While the stacking and dyeing method and apparatus provided by the present invention have been described in detail, those skilled in the art will appreciate that the various embodiments and applications of the method and apparatus provided by the present invention are not limited by the disclosure.

Claims

1. A stack dyeing method, comprising:

2. The stack dyeing method according to claim 1, wherein a step S1a is further provided between the step S1 and the step S2, and the step S1a comprises:

3. The stack dyeing method according to claim 1, wherein a step S1b is further provided between the step S1 and the step S2, and the step S1b comprises:

4. The stack dyeing method according to claim 1, wherein a step S2a is further provided between the step S2 and the step S3, and the step S2a comprises:

5. The stack dyeing method according to claim 1, characterized in that the dye solution further comprises one or more of a penetrant, a wetting agent, urea, sodium alginate, an oxygen scavenger, a dispersant NNO, a leveling agent MF and a maleic copolymer; the reactive dye also comprises one or more of a dye containing vinyl sulfone active groups, a dye containing monochlorotriazine active groups, a dye containing dichloros-triazine active groups, and a double or multiple reactive group dye containing vinyl sulfone active groups and monochlorotriazine active groups;

6. The stack dyeing method according to claim 1, wherein the stack fixation treatment process is a rotating stack, which specifically comprises:

7. A stacking dyeing device is characterized by at least comprising a cloth sending device, a first rolling device, a second rolling device, a post-processing device and a finished product collecting device;

8. The dyeing apparatus according to claim 7, characterized in that said first nip device is a uniformity mangle, said second nip device is a quantitative coating nip device, said quantitative coating nip device being one or more of a single-sided, double-sided rotary screen printing and nip device or a single-sided, double-sided coating and nip device transferred by an anilox roll or an internal injection coating roll single-sided, double-sided coating and nip device or a single-sided, double-sided spray and nip device or a digital spray and nip device, or a single-sided, double-sided rotary printing and nip device.

9. The stacking and dyeing equipment according to claim 7, further comprising a natural diffusion device, wherein the natural diffusion device comprises a support frame and a guide wheel arranged on the support frame.

10. The stack dyeing apparatus according to claim 7, characterized in that it further comprises a first and/or second pre-drying device, which is a heating mantle or tenter setter or drying box or drying drum.