CN108928104B

CN108928104B - Weaving printing production process

Info

Publication number: CN108928104B
Application number: CN201810508426.6A
Authority: CN
Inventors: 黄蓉婷
Original assignee: Shaoxing Dong Long Needle Textile Printing And Dyeing Co Ltd
Current assignee: Shaoxing Dong Long Needle Textile Printing And Dyeing Co Ltd
Priority date: 2018-05-24
Filing date: 2018-05-24
Publication date: 2020-03-31
Anticipated expiration: 2038-05-24
Also published as: CN108928104A

Abstract

The invention discloses a woven fabric printing production process, relates to the technical field of printing and dyeing processing, and solves the problems of poor printing and dyeing effect and low efficiency of the whole production line in the prior art. The key points of the technical scheme are as follows: s1, pretreating the gray fabric, reserving rough edges of the gray fabric, soaking the gray fabric in a wetting solution containing biological enzyme, hydrogen peroxide, a penetrating agent and a whitening agent, heating to 90-110 ℃, keeping the temperature for 20-40 min, continuously stirring the gray fabric, and then overflowing and cleaning in clear water for 10-20 min; s2, pre-shaping the gray fabric, namely unfolding the gray fabric, placing the gray fabric at a first shaping machine for damp-heat shaping, and removing hair bulbs on the gray fabric; s3, printing and steaming; s4, removing dirt and scutching, conveying the steamed dyed cloth to a scutching machine for washing and cleaning, and drying; s5, secondary sizing; s6, deburring and inspecting. The enhanced printing and dyeing effect is achieved, and the automatic equipment is adopted to spread the dyed cloth, so that the efficiency of the whole production line is improved.

Description

Weaving printing production process

Technical Field

The invention relates to the technical field of printing and dyeing processing, in particular to a woven fabric printing production process.

Background

Along with the improvement of the life quality of people, people pay more and more attention to the attractiveness of clothes. In order to meet the production of fabrics of various colors and patterns, a fabric printing and dyeing process is developed. The fabric printing process is a process for printing patterns on textile fabrics by using dyes or pigments, and is commonly used for direct printing, dye-resist printing and discharge printing. The direct printing is to print dye or pigment directly on white or light color fabric, and then to obtain pattern through post-treatment such as steaming, and the process is short and widely used.

For example, the invention patent with the publication number of CN102051818B discloses a printing process of various satin imitated digital codes, which comprises the following process steps: 1) manufacturing a flat screen printing plate; 2) preparing the sizing liquid; 3) sizing; 4) printing; 5) steaming; 6) washing with water; 7) and (6) shaping.

By adopting the printing process, the purposes of more automation and production efficiency improvement can be realized. However, the grey cloth is not pretreated before printing, which has influence on the printing and dyeing effect; meanwhile, after the fabric is generally steamed, the dyed fabric can be kneaded and rolled into a roll, and the later washing effect and the shaping efficiency can be influenced after the fabric is kneaded and rolled, so that the efficiency of the whole production line is influenced.

Disclosure of Invention

The invention aims to provide a woven fabric printing production process, which is characterized in that the grey cloth is treated before printing to improve the adhesive force to dye, and meanwhile, after the dyed cloth is steamed, the dyed cloth is unfolded by adopting automatic equipment, so that the efficiency of the whole production line is improved.

The technical purpose of the invention is realized by the following technical scheme: a fabric printing production process comprises the following steps: s1, pretreating the gray fabric, reserving rough edges of the gray fabric, soaking the gray fabric in a wetting solution containing biological enzyme, hydrogen peroxide, a penetrating agent and a whitening agent, heating to 90-110 ℃, keeping the temperature for 20-40 min, continuously stirring the gray fabric, and then overflowing and cleaning in clear water for 10-20 min; s2, pre-shaping the gray fabric, namely unfolding the gray fabric, placing the gray fabric at a first shaping machine for damp-heat shaping, and removing hair bulbs on the gray fabric; s3, printing and steaming, namely conveying the grey cloth to a textile printing machine for dyeing, and then conveying the grey cloth to a continuous steaming machine for steaming; s4, removing dirt and scutching, conveying the steamed dyed cloth to a scutching machine for washing and cleaning, and drying; s5, secondary setting, namely conveying the dyed cloth to a second setting machine for dry heat setting; and S6, deburring and inspecting, wherein the burrs at the edge of the dyed cloth are cut by using a cutting machine, and the dyeing condition of the dyed cloth is manually inspected.

By adopting the technical scheme, the grey cloth is pretreated before S3, good wettability of the grey cloth can be ensured after pretreatment, loose color in the grey cloth can be removed, so that fibers entering the grey cloth can be uniformly and thoroughly dyed in printing, and biological enzyme can react waste materials in the grey cloth, so that the waste materials are prevented from shielding the color paste for printing; pre-setting is carried out after pretreatment, the grey cloth can be shaped by using a first shaping machine, the dye adhesiveness is improved, hair bulbs are removed, the dye waste by the hair bulbs can be avoided, and the surface smoothness of the grey cloth is improved; and (4) performing decontamination scutching after S3, automatically unfolding the steamed dyed cloth by using a scutching machine, flushing and drying while unfolding, and performing synchronous operation, thereby improving the efficiency of the whole production line and enhancing the dyeing effect.

The present invention is further configured such that the first fixing machine in S2 is externally provided with an outer frame, and the outer frame is provided with a tension roller set for conveying the fabric in a tensioned state in the conveying direction at the first fixing machine and a deviation correcting unit for conveying the fabric in a tensioned state in the width direction at the first fixing machine.

By adopting the technical scheme, the tensioning wheel roller sets are arranged, so that the gray fabric positioned between the tensioning wheel roller sets is always in a tensioning state in the conveying direction, and the shaping effect is improved; the correction assembly is arranged, so that the gray fabric is always in a tensioning state in the width direction during conveying, the partial overlapping of the gray fabric in the conveying process is avoided, and the shaping effect is ensured.

The deviation correcting component comprises two transmission chains respectively arranged at two ends of the width direction of the grey cloth and a plurality of spines arranged on the transmission chains and used for inserting the burrs of the grey cloth.

Through adopting above-mentioned technical scheme, set up the spine on the driving chain, then utilize the spine to insert grey cloth, and can not remove because of the axial of driving chain to make the grey cloth fixed with the spine can not take place not hard up in width direction in transportation process, simple structure, and rational utilization deckle edge, improve the practicality.

The invention is further provided with a hair shaving assembly used for removing hair bulbs on the grey cloth, wherein the hair shaving assembly comprises an upper pressing roller and a lower pressing roller which are respectively attached to two end surfaces of the grey cloth, an upper shaver arranged corresponding to the upper pressing roller and a lower shaver arranged corresponding to the lower pressing roller; and shaving gaps for the grey cloth to fit and pass are formed between the upper shaver and the upper pressing roller and between the lower shaver and the lower pressing roller.

By adopting the technical scheme, the hair shaving assembly is arranged, the smoothness of the passing gray fabric is ensured through the hair shaving gap, hair balls on two end faces of the gray fabric are scraped by the upper shaver and the lower shaver, the structure is simple to mount, the width of the hair shaving gap can be adjusted according to mounting, and the practicability is high.

The invention is further provided that a plurality of air holes are distributed on the surfaces of the upper compression roller and the lower compression roller, and air cavities communicated with the air holes for containing high-pressure air are arranged in the upper compression roller and the lower compression roller.

By adopting the technical scheme, the air holes and the air cavities are arranged, and when the hair bulb is taken out, the high-pressure air blown out from the air holes can blow the hair bulb, so that the upper shaver or the lower shaver can be conveniently scraped, and the drying of the grey cloth can be accelerated.

The invention is further provided in that the grey cloth in the S2 passes through the first forming machine from bottom to top in the conveying direction in an inclined way.

Through adopting above-mentioned technical scheme, can be at the in-process of stereotyping, partial unnecessary moisture of driping simultaneously, and moisture flows out to the entrance point direction of first stereotyping machine, avoids influencing the cloth dyeing part after the stereotyping.

The invention is further provided with an upper screw and a lower screw which are respectively attached to two end surfaces of the dyed cloth, wherein the scutching machine in the S4 is provided with the upper screw and the lower screw; and the two ends of the upper screw and the lower screw are respectively provided with a forward rotating blade and a reverse rotating blade with opposite rotating directions.

By adopting the technical scheme, the forward rotating blades and the reverse rotating blades on the upper screw and the lower screw are utilized, when the upper screw and the lower screw rotate along with the conveying of the dyed cloth, the forward rotating blades and the reverse rotating blades both drive the overlapped part of the dyed cloth to move towards the two end faces of the upper screw/the lower screw, and the purpose of unfolding the dyed cloth is further realized.

The invention is further provided with an upper spray gun arranged at the same side of the cloth dyeing with the upper screw, a lower spray gun arranged at the same side of the cloth dyeing with the lower screw and a high-pressure pump for connecting the upper spray gun and the lower spray gun, wherein the scutching machine in S4 is also provided with the upper spray gun arranged at the same side of the cloth dyeing with the upper screw; the upper spray gun and the lower spray gun are obliquely sprayed towards the edge of the width direction of the dyed cloth.

Through adopting above-mentioned technical scheme, utilize spray gun and lower spray gun, rivers are to the border department of dying cloth width direction and spray, can drive the coincide and dye the cloth and move to border department, and concentrate to corotation blade and reversal blade department along with dying cloth easily because of the water that sprays, then ponding can flow along the orbit of corotation blade and reversal blade, and then the increase promotes the effort that dyes the cloth expansion, and the sewage that will dye on the cloth simultaneously is released to the border department of dying cloth.

The invention is further characterized in that the scutching machine in S4 further comprises a plurality of air nozzles located behind the upper screw and the lower screw along the cloth dyeing conveying direction for spraying high-pressure air, the spraying direction of the air nozzles is opposite to the cloth dyeing conveying direction, and the cloth dyeing at the air nozzles is conveyed obliquely upwards.

By adopting the technical scheme, the air faucet is utilized, so that the drying of the dyed cloth is accelerated, and the dye solidification of the dyed cloth is accelerated.

In conclusion, the invention has the following beneficial effects: pretreating the grey cloth before S3, wherein the pretreatment can ensure good wettability of the grey cloth, and remove loose colors in the grey cloth so as to facilitate uniform and thorough color paste entering fibers in the grey cloth during printing; pre-setting is carried out after pretreatment, the grey cloth can be shaped by using a first shaping machine, the dye adhesiveness is improved, hair bulbs are removed, the dye waste by the hair bulbs can be avoided, and the surface smoothness of the grey cloth is improved; and (4) performing decontamination scutching after S3, automatically unfolding the steamed dyed cloth by using a scutching machine, flushing and drying while unfolding, and performing synchronous operation, thereby improving the efficiency of the whole production line and enhancing the dyeing effect.

Drawings

FIG. 1 is a flow chart of the present invention;

FIG. 2 is a schematic view of an apparatus used in S2 of the present invention;

FIG. 3 is a schematic view of an upper nip roller of the apparatus of FIG. 2;

FIG. 4 is a schematic view of a deviation correcting assembly of the apparatus of FIG. 2;

FIG. 5 shows an apparatus used in S4 of the present invention;

FIG. 6 is a side view of the apparatus of FIG. 5;

fig. 7 is a schematic view of the upper screw of the apparatus of fig. 5.

In the figure, 1, a first shaping machine; 2. an outer frame; 21. a tension pulley roller set; 211. a front clamp group; 212. a rear drive group; 22. a shaving assembly; 221. an upper compression roller; 222. shaving the razor; 223. a lower pressing roller; 224. a lower cutter; 225. an air supply source; 22a, an air cavity; 22b, air holes; 23. a deviation rectifying component; 231. a drive chain; 232. pricking with a sharp point; 3. a pool; 4. a scutching machine; 41. a driving roller set; 42a, an upper screw rod; 42b, a lower screw rod; 421. positively rotating the blades; 422. reversing the blades; 43a, an upper spray gun; 43b, a lower spray gun; 44. a cross beam; 441. an air tap.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, a fabric printing production process comprises the following steps:

and S1, pretreating the grey cloth.

Preparing a wetting solution, putting the wetting solution into a box body of a stirring machine, wherein the wetting solution contains 1% of biological enzyme, 0.8% of hydrogen peroxide, 1.5% of penetrating agent and 5% of whitening agent, and soaking the grey cloth in the box body; and starting the stirrer, heating to 100 ℃, keeping the temperature for 30min, continuously stirring the grey cloth to ensure good wettability of the grey cloth, and removing loose colors in the grey cloth so as to facilitate uniform and thorough fibers entering the grey cloth by color paste during printing.

After soaking for 30min, taking out the grey cloth, placing the grey cloth into a clean water tank 3, and cleaning for 20min by adopting an overflow cleaning mode, so that the wetting liquid can be recycled; and finally, taking out and twisting out redundant clear water in the grey cloth without completely twisting, and reserving rough edges of the grey cloth.

And S2, pre-shaping the grey cloth.

With reference to fig. 2, the gray fabric processed in S1 is spread and placed at the first forming machine 1, the first forming machine 1 adopts a rapid moist heat setting machine with the model of SC-818 to carry out moist heat setting on the gray fabric, the gray fabric passes through two ends of an inlet and an outlet of the first setting machine 1, and simultaneously the gray fabric passes through the first setting machine 1 from bottom to top along the conveying direction in an inclined manner, so that the excess water can be simultaneously drained, and the water flows out towards the inlet end of the first forming machine 1.

The outer frame 2 is further arranged outside the first shaping machine 1, the tensioning roller group 21 is arranged on the outer frame 2, the tensioning roller group 21 comprises a front clamping group 211 positioned at the inlet end of the first shaping machine 1 and a rear driving group 212 positioned at the outlet end of the first shaping machine 1, the front clamping group 211 and the rear driving group 212 respectively comprise two roller wheels which are rotatably connected to the outer frame 2, the two roller wheels in the rear driving group 212 are used for clamping gray fabric and conveying the gray fabric, and the roller wheel on the lower side in the rear driving group 212 is connected with a rotating motor so as to drive the roller wheels to rotate; the two roller sets of the front clamping set 211 are only used for clamping the grey cloth, so that the rear driving set 212 is used for preventing the grey cloth from being conveyed, the grey cloth positioned between the tensioning roller sets 21 is always in a tensioning state in the conveying direction, and the shaping effect is improved.

The outer frame 2 is provided with a hair shaving assembly 22 between the first molding machine 1 and the rear drive group 212, the hair shaving assembly 22 comprises an upper pressing roller 221 and a lower pressing roller 223, the upper pressing roller 221 and the lower pressing roller 223 are located at the front end and the rear end along the conveying direction of the grey cloth, the upper pressing roller 221 and the lower pressing roller 223 are rotatably connected to the outer frame 2, the grey cloth is wound and arranged among the upper pressing roller 221, the lower pressing roller 223 and the rear drive group 212, the upper pressing roller 221 is used for jointing the lower surface of the grey cloth, and the lower pressing roller 223 is used for jointing the upper surface of the grey. The hair shaving assembly 22 further comprises an upper razor 222 and a lower razor 224, wherein the upper razor 222 corresponds to the upper pressing roller 221, the lower razor 224 corresponds to the lower pressing roller 223, and hair shaving gaps for the grey cloth to fit and pass through are formed between the upper razor 222 and the upper pressing roller 221 and between the lower razor 224 and the lower pressing roller 223, so that hair balls on two end faces of the grey cloth after shaping are removed, and the printing and dyeing effect is prevented from being influenced.

Referring to fig. 2 and 3, in fig. 3, the upper compression roller 221 is taken as an example, one end of each of the upper compression roller 221 and the lower compression roller 223 is connected with an air supply source 225, air cavities 22a communicated with the air supply source 225 are formed on the axial lines of the upper compression roller 221 and the lower compression roller 223, and a plurality of air holes 22b communicated with the air cavities 22a are uniformly distributed on the surfaces of the upper compression roller 221 and the lower compression roller 223. The air supply source 225 supplies high pressure air into the air chamber 22a and discharges the high pressure air from the air holes 22b, thereby blowing the lint on the gray fabric to facilitate the lint removal of the upper razor 222/the lower razor 224 and to accelerate the drying of the gray fabric.

Referring to fig. 2 and 4, a deviation correcting assembly 23 is further disposed on the outer frame 2 between the front clamping group 211 and the hair shaving assembly 22, the deviation correcting assembly 23 includes two transmission chains 231 respectively disposed at two ends of the blank fabric in the width direction, and two ends of the transmission chains 231 are respectively sleeved on the lower side wheel roller and the upper pressing roller 221 of the front clamping group 211 so as to rotate along with the conveyance of the blank fabric. The outer surface of the driving chain 231 is provided with a plurality of evenly distributed spines 232 for inserting raw edges of the grey cloth, so that the grey cloth is always in a tensioning state in the width direction during conveying, the grey cloth is prevented from being partially overlapped in the conveying process, and the shaping effect is further ensured.

S3, printing and steaming.

Designing patterns according to required designs and colors, then drawing the patterns, then manufacturing a flat screen, preparing color paste, conveying the grey cloth treated by S2 to a textile printing machine for dyeing, and then conveying the grey cloth to a continuous steamer for steaming, so that the dye is accelerated to be blended into dyed cloth.

And S4, decontamination and scutching.

As shown in fig. 5 and 6, the steamed cloth is conveyed to the scutching machine 4, the scutching machine 4 is arranged in the water tank 3, the scutching machine 4 comprises a frame, the tail end of the frame is provided with a driving wheel roller group 41 for clamping the dyed cloth to convey the dyed cloth, the driving wheel roller group 41 comprises two wheel rollers which are rotatably connected to the frame, and the wheel rollers positioned on the lower side are connected with a rotating motor.

As shown in fig. 7, the front end of the frame is provided with an upper screw 42a located at the front end and a lower screw 42b located at the rear end in the cloth-dyeing conveying direction, the upper screw 42a is attached to the lower surface of the cloth-dyeing, and the lower screw 42b is attached to the upper surface of the cloth-dyeing. The upper screw 42a and the lower screw 42b are rotatably connected to the frame, and two ends of the upper screw 42a and the lower screw 42b are respectively a forward rotation blade 421 and a reverse rotation blade 422 (the upper screw 42a is taken as an example in fig. 7) with opposite rotation directions, when the upper screw 42a and the lower screw 42b rotate along with the conveying of the dyed cloth, the forward rotation blade 421 and the reverse rotation blade 422 both drive the overlapped part of the dyed cloth to move towards two end faces of the upper screw 42 a/the lower screw 42b, so that the purpose of unfolding the dyed cloth is realized.

The frame of the scutcher 4 is further provided with two upper lances 43a, two lower lances 43b, and a high pressure pump (not shown) for utilizing water in the water tank 3, which connects the upper lances 43a and the lower lances 43 b. Two upper spray guns 43a are mutually crossed and sprayed and are located below the center of the upper screw rod 42a, two lower spray guns 43b are mutually crossed and sprayed and are located above the center of the lower screw rod 42b, the included angle between the spraying directions of the upper spray guns 43a and the lower spray guns 43b and the cloth dyeing conveying direction is equal to 135 degrees, so that the cloth is dyed by countercurrent water washing, water is sprayed to the edge of the width direction of the cloth to be dyed, and the overlapped cloth to be dyed can be driven to move to the edge. Meanwhile, the sprayed water is easy to concentrate to the forward rotation blades 421 and the reverse rotation blades 422 along with the dyed cloth and flows along with the tracks of the forward rotation blades 421 and the reverse rotation blades 422, so that the acting force for pushing the dyed cloth to spread is increased, and the sewage on the dyed cloth is pushed out to the edge of the dyed cloth.

Two beams 44 are also arranged on the frame of the scutching machine 4 between the lower screw 42b and the driving roller group 41, and the gap between the two beams 44 is used for the dyed cloth to pass through, and the dyed cloth is obliquely conveyed upwards. A plurality of air nozzles 441 are installed on the cross beam 44, an air pump (not shown) is connected to each air nozzle 441, and the spraying direction of the air nozzles 441 is opposite to the conveying direction of the dyed cloth, thereby accelerating the drying of the dyed cloth.

The scutching machine 4 can be used for realizing the purposes of spreading and dyeing cloth, washing and dyeing cloth by counter current and drying and dyeing cloth.

And S5, secondary sizing.

And (5) continuously conveying the dyed cloth to a second setting machine, and carrying out dry heat setting with the temperature higher than S2 by the second setting machine.

And S6, deburring and inspecting.

The cloth that will dye is taken off, places on the cutter, tailors the deckle edge of dying selvedge department, simultaneously, the dyeing condition of cloth that dyes is observed at the in-process manual work of tailorring to examine printing and dyeing effect, it is the finished product to examine qualified.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. A fabric printing production process is characterized by comprising the following steps:

s1, pretreating the gray fabric, reserving rough edges of the gray fabric, soaking the gray fabric in a wetting solution containing biological enzyme, hydrogen peroxide, a penetrating agent and a whitening agent, heating to 90-110 ℃, keeping the temperature for 20-40 min, continuously stirring the gray fabric, and then overflowing and cleaning in clear water for 10-20 min;

s2, pre-shaping the gray fabric, namely unfolding the gray fabric, placing the gray fabric at a first shaping machine (1) for damp-heat shaping, and removing hair bulbs on the gray fabric;

s3, printing and steaming, namely conveying the grey cloth to a textile printing machine for dyeing, and then conveying the grey cloth to a continuous steaming machine for steaming;

s4, removing dirt and scutching, conveying the steamed dyed cloth to a scutching machine (4) for washing and cleaning, and drying;

s5, secondary setting, namely conveying the dyed cloth to a second setting machine for dry heat setting;

s6, deburring and inspecting, wherein burrs at the edge of the dyed cloth are cut by a cutting machine, and the dyeing condition of the dyed cloth is manually inspected;

an outer frame (2) is arranged outside the first sizing machine (1) in the S2, and a tensioning wheel roller set (21) which conveys the gray fabric at the first sizing machine (1) in a tensioning state in the conveying direction and a deviation correcting assembly (23) which conveys the gray fabric at the first sizing machine (1) in a tensioning state in the width direction are arranged on the outer frame (2);

the deviation rectifying assembly (23) comprises two transmission chains (231) respectively arranged at two ends of the width direction of the grey cloth and a plurality of spines (232) arranged on the transmission chains (231) and used for being inserted into burrs of the grey cloth;

the outer frame (2) is also provided with a hair shaving assembly (22) for removing hair balls on the grey cloth, and the hair shaving assembly (22) comprises an upper pressing roller (221) and a lower pressing roller (223) which are respectively attached to two end faces of the grey cloth, an upper shaver (222) arranged corresponding to the upper pressing roller (221) and a lower shaver (224) arranged corresponding to the lower pressing roller (223); and shaving gaps for the grey cloth to fit and pass are formed between the upper shaver (222) and the upper pressing roller (221) and between the lower shaver (224) and the lower pressing roller (223);

the surface of the upper pressing roller (221) and the surface of the lower pressing roller (223) are respectively provided with a plurality of air holes (22b), and air cavities (22a) which are communicated with the air holes (22b) to contain high-pressure air are respectively arranged in the upper pressing roller (221) and the lower pressing roller (223).

2. A fabric printing production process according to claim 1, wherein the blank fabric in S2 passes through the first setting machine (1) obliquely from bottom to top along the conveying direction.

3. The fabric printing production process of claim 1, wherein the scutching machine (4) in S4 is provided with an upper screw (42a) and a lower screw (42b) which are respectively attached to two end faces of the dyed fabric; and the two ends of the upper screw rod (42a) and the lower screw rod (42b) are respectively provided with a forward rotating blade (421) and a reverse rotating blade (422) with opposite rotating directions.

4. The fabric printing production process of claim 3, wherein the scutching machine (4) in S4 is further provided with an upper spray gun (43a) disposed on the same side of the fabric dyeing as the upper screw (42a), a lower spray gun (43b) disposed on the same side of the fabric dyeing as the lower screw (42b), and a high-pressure pump connecting the upper spray gun (43a) and the lower spray gun (43 b); the upper spray gun (43a) and the lower spray gun (43b) are both obliquely sprayed towards the edge of the width direction of the dyeing cloth.

5. The fabric printing production process of claim 3, wherein the scutching machine (4) in S4 further comprises a plurality of air nozzles (441) located behind the upper screw (42a) and the lower screw (42b) in the dyeing cloth conveying direction for injecting high-pressure air, the injection direction of the air nozzles (441) is opposite to the dyeing cloth conveying direction, and the dyeing cloth at the position of the air nozzles (441) is conveyed obliquely upward.