CN115961403A - Regenerated environment-friendly composite sewing thread and preparation method thereof - Google Patents
Regenerated environment-friendly composite sewing thread and preparation method thereof Download PDFInfo
- Publication number
- CN115961403A CN115961403A CN202211620687.XA CN202211620687A CN115961403A CN 115961403 A CN115961403 A CN 115961403A CN 202211620687 A CN202211620687 A CN 202211620687A CN 115961403 A CN115961403 A CN 115961403A
- Authority
- CN
- China
- Prior art keywords
- speed
- regenerated
- machine
- cotton
- roving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000009958 sewing Methods 0.000 title claims abstract description 26
- 239000002131 composite material Substances 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000000835 fiber Substances 0.000 claims abstract description 74
- 229920000742 Cotton Polymers 0.000 claims abstract description 64
- 238000009987 spinning Methods 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 33
- 238000009960 carding Methods 0.000 claims abstract description 25
- 229920000728 polyester Polymers 0.000 claims description 51
- 238000007599 discharging Methods 0.000 claims description 38
- 239000000463 material Substances 0.000 claims description 22
- 239000012535 impurity Substances 0.000 claims description 10
- 238000009985 spun yarn production Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 4
- 239000011247 coating layer Substances 0.000 claims 2
- 229920004933 Terylene® Polymers 0.000 abstract description 17
- 239000005020 polyethylene terephthalate Substances 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 230000007547 defect Effects 0.000 abstract description 5
- 239000011248 coating agent Substances 0.000 abstract description 4
- 238000000576 coating method Methods 0.000 abstract description 4
- 239000004744 fabric Substances 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 2
- 239000004576 sand Substances 0.000 abstract 1
- 238000010009 beating Methods 0.000 description 9
- 230000002349 favourable effect Effects 0.000 description 6
- 238000004804 winding Methods 0.000 description 6
- 210000001520 comb Anatomy 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 241001589086 Bellapiscis medius Species 0.000 description 3
- 206010020112 Hirsutism Diseases 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000010985 leather Substances 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012946 outsourcing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000035935 pregnancy Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/66—Disintegrating fibre-containing textile articles to obtain fibres for re-use
Landscapes
- Preliminary Treatment Of Fibers (AREA)
Abstract
The invention discloses a preparation method of a regenerated environment-friendly composite sewing thread, which comprises the procedures of placing balance, grabbing and opening cotton, carding and drawing, and coarse sand spinning; the whole production line is more suitable for the production and processing of the regenerated terylene through original technological parameters, the defects of short velvet, yarn defects, neps and the like are avoided from influencing the production, and the produced sewing thread is of a double-layer coating structure, integrates the advantages of core yarn and an outer coating fiber layer, has the advantages of high strength, wear resistance, soft hand feeling and difficulty in yarn hooking, and is particularly suitable for the sewing and spinning of boxer clothes and other common fabrics.
Description
Technical Field
The invention relates to the technical field of sewing thread preparation, in particular to a regenerated environment-friendly composite sewing thread and a preparation method thereof.
Background
Under the current market background, the domestic chemical fiber yield is very huge, wherein most of terylene accounts for about 80% of the total chemical fiber yield, and the pollution and reutilization problems of terylene wastes such as terylene cloth, waste polyester chips, spinning waste liquid, bubble materials, pulp blocks and the like are generated along with the huge yield of the terylene.
Disclosure of Invention
Aiming at the problems in the background art, the invention aims to provide a regenerated environment-friendly composite sewing thread and a preparation method thereof, which effectively solve the problems in the background art.
In order to realize the purpose, the invention adopts the following technical scheme:
a preparation method of a regenerated environment-friendly composite sewing thread comprises the following steps:
step one, placing the regenerated polyester staple fibers in a workshop for balancing, then carrying out package arrangement according to the sequence of the placing time from long to short, wherein the package arrangement is required to be uniform, consistent in density, high in cut and flat so as to ensure the consistency of grabbing, and grabbing the packages in sequence from the package arrangement with the longest placing time;
step two, grabbing the balanced regenerated polyester staple fibers into a bale plucker, opening, carding and removing impurities from the regenerated polyester staple fibers by the bale plucker to enable all the regenerated polyester staple fibers in a curled block shape to be in a single fiber shape which is basically straightened, and removing impurities in the process; wherein the speed of the cotton grabbing trolley of the cotton grabbing machine is 1-5r/min, the speed of the cotton grabbing beater is 400-1000r/min when the cotton grabbing trolley descends for 1-5mm every time the cotton grabbing trolley runs for one circle;
step three, the regenerated polyester staple fibers pass through the bale plucker and then enter a cotton mixer, the cotton mixer fully mixes the small fiber bundles which are loosened and purified by the bale plucker, and the cotton mixer can continuously feed materials to the downstream when the bale plucker changes the packages or fails;
feeding the discharge of the cotton mixing machine into a comb needle opener, wherein the speed of a comb needle beater of the comb needle opener is 200-600r/min;
fifthly, discharging the carding needle cotton opener into a carding machine, wherein the speed of a licker-in is 500-1100r/min, the speed of a cylinder is 200-600r/min, the speed of a doffer is 10-50r/min, the spacing of cylinder cover plates is 0.1-0.5mm respectively, the spacing of cylinder licker-in rollers is 0.1-0.4mm, the spacing of a rear fixed cover plate of the cylinder is 0.5-0.7mm, the spacing of a front fixed cover plate is 0.2-0.6mm, the ration of raw slivers is 4-6g/m, and the sliver discharging speed is 80-160m/min;
step six, enabling the discharge of the carding machine to enter a head doubling machine, enabling the sliver discharging speed of the head doubling machine to be 180-240m/min, enabling the roller gauge to be (8-12) multiplied by (18-22) mm, enabling the drafting multiple of a rear zone to be 1.5-2.1 times, enabling the head doubling ration to be 2-4g/m, and enabling the total drafting multiple to be 5-7 times;
seventhly, discharging materials of the head doubling machine enter a secondary doubling machine, wherein the sliver discharging speed of the secondary doubling machine is 180-240m/min, the roller gauge is (8-12) multiplied by (18-22) mm, the drafting multiple of a rear area is 1-1.5 times, the secondary doubling quantity is 2-4g/m, and the total drafting multiple is 5-7 times;
step eight, discharging the two-doubling machine into a roving machine, wherein the roving ration of the roving machine is 0.3-0.7g/m, the roller gauge is (10-15) × (25-34) × (35-40) mm, the drafting multiple of a rear zone is 1-1.5 times, the roving twist coefficient is 50-90, and the spindle speed is 500-900r/min;
and step nine, feeding the discharged material of the roving frame into a spinning frame, wherein the spinning process adopts a core-spun yarn production mode, the discharged material of the roving frame is fed from a rear roller through a horn mouth of the spinning frame, a new regenerated polyester filament yarn is selected to be fed from a front roller, and the new regenerated polyester filament yarn and the front roller are converged at a front roller jaw to be twisted together to spin a yarn, wherein the roller gauge of the spinning frame is (15-25) × (30-45) mm, the drafting multiple of a rear area is 1-1.4 times, the roller speed is 150-230r/min, and the yarn twisting coefficient is 340-360.
Further, the equilibrium standing time of the regenerated polyester staple fibers in the first step is at least 24 hours.
Further, the bale plucker is a disc bale plucker.
Further, the cotton mixer is a multi-bin cotton mixer.
The utility model provides a compound sewing thread of regeneration environmental protection, includes heart yearn and outsourcing fibrous layer, the heart yearn is regeneration polyester filament, outsourcing fibrous layer is regeneration polyester staple fiber.
The invention has the following beneficial technical effects:
the whole production line is more suitable for the production and processing of the regenerated terylene through original process parameters, the defects of short velvet, yarn defects, neps and the like are avoided from influencing the production, and the produced sewing thread has a double-layer coating structure, integrates the advantages of core yarn and an outer coating fiber layer, has the advantages of high strength, wear resistance, soft hand feeling and difficult thread hooking, and is particularly suitable for the sewing and spinning of boxer shoes, clothes and other common fabrics; this application reasonable in design, operation are stable and the yield is high, are fit for using widely.
Drawings
FIG. 1 is a schematic flow chart of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a recycled environmentally-friendly composite sewing thread according to an embodiment of the present invention.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Example one
As shown in fig. 1, a method for preparing a regenerated environment-friendly composite sewing thread comprises the following steps:
step one, placing the regenerated polyester staple fibers in a workshop for at least more than 24 hours for balancing, then carrying out package arrangement according to the sequence of the placing time from long to short, wherein the package arrangement is required to be uniform, consistent in density, high in cut and flat so as to ensure the consistency of grabbing, and sequentially grabbing from the package arrangement with the longest placing time during grabbing;
step two, grabbing the balanced regenerated polyester staple fibers into a plucker 1, wherein the plucker 1 is a disc plucker, and the plucker 1 performs opening, carding and impurity removal on the regenerated polyester staple fibers to enable all the regenerated polyester staple fibers in a curled block shape to be in a single fiber shape which is basically straightened, and removing impurities in the process; wherein the speed of a cotton grabbing trolley of the cotton grabbing machine 1 is 1r/min, the speed of the cotton grabbing beater is 400r/min when the cotton grabbing trolley descends for 1mm every time the cotton grabbing trolley runs for one circle;
step three, the regenerated polyester staple fibers pass through a plucker 1 and then enter a cotton mixer 2, the cotton mixer 2 is a multi-bin cotton mixer, the cotton mixer 2 fully mixes the small fiber bundles which are loosened and purified by the plucker 1, and the cotton mixer 2 can continuously feed materials to the downstream when the plucker 1 changes packages or fails;
step four, the discharge of the cotton mixing machine 2 enters a comb needle opener 3, the speed of a comb needle beater of the comb needle opener 3 is 200r/min, and the blowing process follows the process principle of 'more combs and less beating, and beating with combs instead of beating';
fifthly, discharging the sliver from the card wire opener 3 into a carding machine 4, wherein the licker-in speed is 500r/min, the cylinder speed is 200r/min, the doffer speed is 10r/min, the cylinder cover plate spacing is 0.1, the cylinder licker-in spacing is 0.1mm, the cylinder rear fixed cover plate spacing is gradually reduced, for example, the first two spacing is 0.56mm, the next two spacing is 0.53mm, the last two spacing is 0.5mm, the front fixed cover plate spacing is 0.2mm, the sliver ration is 4g/m, and the sliver discharging speed is 80m/min; the regenerated terylene is sensitive to carding, is easy to generate short fiber, selects larger spacing, low-tooth-density card clothing and lower rotating speed for controlling the content of neps and short fiber in the carded sliver, enhances daily cleaning in the production process and ensures the smoothness of a cotton passage.
Sixthly, discharging materials of the carding machine 4 into a head doubling machine 5, wherein the sliver discharging speed of the head doubling machine 5 is 180m/min, the roller gauge is 8 multiplied by 18mm, the drafting multiple of a rear area is 1.5 times, the head doubling ration is 2g/m, and the total drafting multiple is 5 times;
seventhly, discharging materials of the head doubling machine 5 into a doubling machine 6, wherein the sliver discharging speed of the doubling machine 6 is 180m/min, the roller gauge is 8 multiplied by 18mm, the drafting multiple of a rear zone is 1 time, the doubling ration is 2g/m, and the total drafting multiple is 5 times; the head combination and the second combination process adopt the process principle of 'heavy pressurization and large gauge distance', the channel is kept smooth and clean in the production process, the blocking and winding are prevented, the drafting multiple of the rear area is properly increased in the drafting distribution, the sliver discharging speed is lower than the speed during cotton spinning in order to avoid the accidental drafting caused by winding rollers and leather rollers and overhigh speed due to static electricity generated by overhigh speed;
eighthly, discharging the material from the two-doubling machine 6 into a roving machine 7, wherein the roving ration of the roving machine 7 is 0.3g/m, the roller gauge is 10 multiplied by 25 multiplied by 35mm, the drafting multiple of a rear zone is 1 time, the roving twist coefficient is 50, and the spindle speed is 500r/min; because the surface hairiness of the roving is longer due to the poor cohesion capability of the regenerated terylene, the method is adjusted from the following aspects: firstly, temperature and humidity control is enhanced, overhigh temperature and overlow temperature and humidity are avoided, secondly, the twist coefficient of the roving is increased, the compactness of fibers on the surface of the roving is improved, and in addition, a proper false twister model is selected and the tension of the roving is reduced;
step nine, the discharge of the roving frame 7 enters a spinning frame 8, and the spinning process adopts a core-spun yarn production mode, wherein the discharge of the roving frame 7 is fed into the spinning frame 8 from a rear roller through a bell mouth of the spinning frame 8, a new regenerated polyester filament yarn is selected to be fed from a front roller of the spinning frame 8, and the new regenerated polyester filament yarn and the spinning frame are converged at a front roller nip to be twisted and spun into yarn together, wherein the roller gauge of the spinning frame 8 is 15 multiplied by 30mm, the drafting multiple of a rear area is 1 time, the roller speed is 150r/min, and the twist coefficient of the finished yarn is 340; in the step, a tight front region roller gauge and a small back region draft multiple are adopted, the tight front region roller gauge is favorable for controlling floating fibers, so that the speed change points are concentrated, and the small back region draft multiple is favorable for improving the internal structure of the fibers;
the embodiment effectively utilizes the recycled regenerated polyester fiber, which is prepared by drying and melting the raw materials of polyester cloth, waste polyester chips, spinning waste liquid, bubble materials and pulp lumps, and not only can solve the pollution problem, but also can reduce the dependence of new textiles on petroleum resources, and is beneficial to realizing green production of textiles; in addition, the limit characteristic of the regenerated terylene is attached, and the process principle of 'more carding and less beating, and combing instead of beating' is applied, so that the increase of short velvet and yarn defects caused by sensitive and easy damage of the regenerated terylene to high-strength carding is avoided, the smoothness of a cotton passing channel is ensured, the hanging of cotton is avoided, and the generation of rope yarn and neps is prevented; in the cotton carding process, the damage of fibers is further reduced by adopting larger gauge, low-tooth-density card clothing and lower speed; the drawing process adopts the process principle of 'heavy pressurization and large gauge distance', the draft multiple of the rear area is properly increased, better fiber straightening degree and parallelism are obtained, and the roving process adopts larger twist coefficient and small tension to increase the tightness of the sliver; the spun yarn process carries out cladding production on the filament and the regenerated staple fiber, so that the yarn has better strength and wider application range;
as shown in fig. 2, the regenerated environment-friendly composite sewing thread produced by applying the steps comprises a core wire 9 and an outer fiber layer 10, wherein the core wire 9 is regenerated polyester filament yarn, and the outer fiber layer 10 is regenerated polyester staple fiber;
the sewing thread has the advantages of integrating the advantages of the core yarn and the outer fiber layer, and has the advantages of high strength, wear resistance, soft hand feeling and difficult thread hooking; and the regenerated terylene is adopted to produce the terylene products, which saves about 80 percent of energy compared with the terylene products produced by the conventional production, and the yarn can be applied to sewing and weaving of various commodities such as satchels, camisoles, antibacterial maternity dresses, men and women casual dresses, wind coats, down coats, work uniforms, hats, shoe materials, umbrellas, curtains and the like.
Example two
As shown in fig. 1, a method for preparing a regenerated environment-friendly composite sewing thread comprises the following steps:
step one, placing regenerated polyester staple fibers in a workshop for at least more than 24 hours for balancing, then arranging the packages according to the sequence of placing time from long to short, wherein the packages are required to be uniformly arranged, have consistent density, are cut to be high and are arranged to be flat so as to ensure the consistency of grabbing, and grabbing the packages in sequence from the package with the longest placing time;
step two, grabbing the balanced regenerated polyester staple fibers into a plucker 1, wherein the plucker 1 is a disc plucker, and the plucker 1 performs opening, carding and impurity removal on the regenerated polyester staple fibers to enable all the regenerated polyester staple fibers in a curled block shape to be in a single fiber shape which is basically straightened, and removing impurities in the process; wherein the speed of a cotton grabbing trolley of the cotton grabbing machine 1 is 2r/min, the speed of the cotton grabbing beater is 700r/min after the cotton grabbing trolley descends by 3mm every time the cotton grabbing trolley runs for one circle;
step three, the regenerated polyester staple fibers pass through a plucker 1 and then enter a cotton mixer 2, the cotton mixer 2 is a multi-bin cotton mixer, the cotton mixer 2 fully mixes the small fiber bundles which are loosened and purified by the plucker 1, and the cotton mixer 2 can continuously feed materials to the downstream when the plucker 1 changes packages or fails;
step four, the discharge of the cotton mixing machine 2 enters a comb needle opener 3, the speed of a comb needle beater of the comb needle opener 3 is 400r/min, and the blowing process follows the process principle of 'more combs and less beating, and beating with combs instead of beating';
fifthly, discharging from the card wire opener 3 into the carding machine 4, wherein the licker-in speed is 850r/min, the cylinder speed is 400r/min, the doffer speed is 35r/min, the cylinder cover plate spacing is 0.3, the cylinder licker-in spacing is 0.25mm, the cylinder rear fixed cover plate spacing is gradually reduced, for example, the first two spacing is 0.61mm, the next two spacing is 0.58mm, the last two spacing is 0.55mm, the front fixed cover plate spacing is 0.4mm, the raw sliver ration is 5g/m, and the sliver discharging speed is 140m/min; the regenerated terylene is sensitive to carding, is easy to generate short fiber, selects larger spacing, low-tooth-density card clothing and lower rotating speed for controlling the content of neps and short fiber in the carded sliver, enhances daily cleaning in the production process and ensures the smoothness of a cotton passage.
Sixthly, discharging materials of the carding machine 4 into a head doubling machine 5, wherein the sliver discharging speed of the head doubling machine 5 is 200m/min, the roller gauge is 10 multiplied by 20mm, the drafting multiple of a rear area is 1.8 times, the head doubling ration is 3g/m, and the total drafting multiple is 6 times;
seventhly, discharging materials of the head doubling machine 5 into a doubling machine 6, wherein the sliver discharging speed of the doubling machine 6 is 200m/min, the roller gauge is 10 multiplied by 20mm, the drafting multiple of the rear area is 1.3 times, the doubling ration is 3g/m, and the total drafting multiple is 6 times; the head combination and the second combination process adopt the process principle of 'heavy pressurization and large gauge distance', the channel is kept smooth and clean in the production process, the blocking and winding are prevented, the drafting multiple of the rear area is properly increased in the drafting distribution, the sliver discharging speed is lower than the speed during cotton spinning in order to avoid the accidental drafting caused by winding rollers and leather rollers and overhigh speed due to static electricity generated by overhigh speed;
step eight, discharging the material from the double-doubling machine 6 into a roving machine 7, wherein the roving ration of the roving machine 7 is 0.5g/m, the roller gauge is 12 multiplied by 30 multiplied by 37mm, the drafting multiple of a rear zone is 1.2 times, the roving twist coefficient is 70, and the spindle speed is 700r/min; because the surface hairiness of the roving is longer due to the poor cohesion capability of the regenerated terylene, the method is adjusted from the following aspects: firstly, temperature and humidity control is enhanced, overhigh temperature and overlow temperature and humidity are avoided, secondly, the twist coefficient of the roving is increased, the compactness of fibers on the surface of the roving is improved, and in addition, a proper false twister model is selected and the tension of the roving is reduced;
step nine, the discharge of a roving frame 7 enters a spinning frame 8, and the spinning process adopts a core-spun yarn production mode, wherein the discharge of the roving frame 7 is fed into the spinning frame 8 from a rear roller through a horn mouth of the spinning frame 8, a new regenerated polyester filament yarn is selected to be fed from a front roller, and the new regenerated polyester filament yarn and the front roller are converged at a front roller jaw to be twisted together to be spun into yarn, wherein the roller gauge of the spinning frame 8 is 20 multiplied by 35mm, the drafting multiple of a rear area is 1.2 times, the roller speed is 200r/min, and the yarn twisting coefficient is 350; in the step, a slightly tight front roller gauge and a smaller back drafting multiple are adopted, the slightly tight front roller gauge is favorable for controlling floating fibers, so that speed change points are concentrated, and the smaller back drafting multiple is favorable for improving the internal structure of the fibers;
as shown in fig. 2, the regenerated environment-friendly composite sewing thread produced by applying the steps comprises a core thread 9 and an outer covering fiber layer 10, wherein the core thread 9 is regenerated polyester filament yarns, and the outer covering fiber layer 10 is regenerated polyester staple fibers;
EXAMPLE III
As shown in fig. 1, a method for preparing a regenerated environment-friendly composite sewing thread comprises the following steps:
step one, placing the regenerated polyester staple fibers in a workshop for at least more than 24 hours for balancing, then carrying out package arrangement according to the sequence of the placing time from long to short, wherein the package arrangement is required to be uniform, consistent in density, high in cut and flat so as to ensure the consistency of grabbing, and sequentially grabbing from the package arrangement with the longest placing time during grabbing;
step two, grabbing the balanced regenerated polyester staple fibers into a plucker 1, wherein the plucker 1 is a disc plucker, and the plucker 1 performs opening, carding and impurity removal on the regenerated polyester staple fibers to enable all the regenerated polyester staple fibers in a curled block shape to be in a single fiber shape which is basically straightened, and removing impurities in the process; wherein the speed of a cotton grabbing trolley of the cotton grabbing machine 1 is 5r/min, the speed of the cotton grabbing beater is 1000r/min when the cotton grabbing trolley descends by 5mm every time the cotton grabbing trolley runs for one circle;
step three, the regenerated polyester staple fibers of the bale plucker 1 pass through a bale plucker and then enter a cotton mixer 2, the cotton mixer 2 is a multi-bin cotton mixer, the cotton mixer 2 sufficiently mixes the small fiber bundles which are loosened and purified by the bale plucker 1, and the cotton mixer 2 can continuously feed materials to the downstream when the bale plucker 1 changes packages or fails;
step four, the discharge of the cotton mixer 2 enters a comb needle opener 3, the speed of a comb needle beater of the comb needle opener 3 is 600r/min, and the blowing and carding process is implemented according to the process principle of 'more combs and less beaters, and combing is used for beating instead of beaters';
fifthly, discharging the sliver from the card wire opener 3 into a carding machine 4, wherein the licker-in speed is 1100r/min, the cylinder speed is 600r/min, the doffer speed is 50r/min, the cylinder cover plate spacings are both 0.5, the cylinder licker-in spacings are both 0.4mm, the cylinder rear fixed cover plate spacings are gradually reduced, for example, the first two spacings are 0.7mm, the next two spacings are 0.67mm, the last two spacings are 0.64mm, the front fixed cover plate spacings are both 0.6mm, the sliver ration is 6g/m, and the sliver discharging speed is 160m/min; the regenerated terylene is sensitive to carding and is easy to generate short fiber, a large gauge, low-tooth-density card clothing and a low rotating speed are selected for controlling the content of neps and short fiber in the carded sliver, daily cleaning is enhanced in the production process, and the smoothness of a cotton channel is ensured.
Sixthly, discharging the cotton carding machine 4 into a head doubling machine 5, wherein the sliver discharging speed of the head doubling machine 5 is 240m/min, the roller gauge is 12 multiplied by 22mm, the drafting multiple of a rear area is 2.1 times, the head doubling ration is 4g/m, and the total drafting multiple is 7 times;
seventhly, discharging materials of the head doubling machine 5 into a doubling machine 6, wherein the sliver discharging speed of the doubling machine 6 is 240m/min, the roller gauge is 12 multiplied by 22mm, the drafting multiple of the rear area is 2.1 times, the doubling ration is 4g/m, and the total drafting multiple is 7 times; the head and the second parallel working procedures adopt the technological principle of 'heavy pressurization and large gauge distance', the channel is kept smooth and clean in the production process, the blockage and the winding are prevented, the drafting multiple of a rear area is properly increased in the drafting distribution, the sliver discharging speed is higher than the speed during cotton spinning in order to avoid the accidental drafting caused by winding rollers and leather rollers due to static electricity generated by overhigh speed and the accidental drafting caused by overhigh speed in the aspect of sliver discharging speed
Eighthly, discharging the material from the two-parallel machine 6 into a roving machine 7, wherein the roving ration of the roving machine 7 is 0.7g/m, the roller gauge is 15 multiplied by 34 multiplied by 40mm, the drafting multiple of a rear zone is 1.5 times, the roving twist coefficient is 90, and the ingot speed is 900r/min; because the surface hairiness of the roving is longer due to the poor cohesion capability of the regenerated terylene, the method is adjusted from the following aspects: firstly, temperature and humidity control is enhanced, overhigh temperature and overlow temperature and humidity are avoided, secondly, the twist coefficient of the roving is increased, the compactness of fibers on the surface of the roving is improved, and in addition, a proper false twister model is selected and the tension of the roving is reduced;
step nine, the discharge of a roving frame 7 enters a spinning frame 8, and the spinning process adopts a core-spun yarn production mode, wherein the discharge of the roving frame 7 is fed into the spinning frame 8 from a rear roller through a horn mouth of the spinning frame 8, a new regenerated polyester filament yarn is selected to be fed from a front roller of the spinning frame 8, and the new regenerated polyester filament yarn and the spinning frame are converged at a front roller nip to be twisted together to be spun into yarn, wherein the roller gauge of the spinning frame 8 is 25 multiplied by 45mm, the drafting multiple of a rear area is 1.4 times, the roller speed is 230r/min, and the yarn twisting coefficient is 360; in the step, a tight front region roller gauge and a small back region draft multiple are adopted, the tight front region roller gauge is favorable for controlling floating fibers, so that the speed change points are concentrated, and the small back region draft multiple is favorable for improving the internal structure of the fibers;
as shown in FIG. 2, the regenerated environment-friendly composite sewing thread produced by the steps comprises a core thread 9 and an outer covering fiber layer 10, wherein the core thread 9 is regenerated polyester filament yarns, and the outer covering fiber layer 10 is regenerated polyester staple fibers.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (5)
1. A preparation method of a regenerated environment-friendly composite sewing thread is characterized by comprising the following steps:
step one, placing the regenerated polyester staple fibers in a workshop for balancing, then carrying out package arrangement according to the sequence of the placing time from long to short, wherein the package arrangement is required to be uniform, consistent in density, high in cut and flat so as to ensure the consistency of grabbing, and grabbing the packages in sequence from the package arrangement with the longest placing time;
step two, grabbing the balanced regenerated polyester staple fibers into a bale plucker, opening, carding and removing impurities from the regenerated polyester staple fibers by the bale plucker to enable all the regenerated polyester staple fibers in a curled block shape to be in a single fiber shape which is basically straightened, and removing impurities in the process; wherein the speed of the bale plucker bale plucking trolley of the bale plucker is 1-5r/min, the bale plucking trolley descends 1-5mm per circle of operation, and the speed of the bale plucker beater is 400-1000r/min;
step three, the regenerated polyester staple fibers pass through the bale plucker and then enter a cotton mixer, the cotton mixer fully mixes the small fiber bundles which are loosened and purified by the bale plucker, and the cotton mixer can continuously feed materials to the downstream when the bale plucker changes the packages or fails;
feeding the discharge of the cotton mixing machine into a comb needle opener, wherein the speed of a comb needle beater of the comb needle opener is 200-600r/min;
fifthly, discharging the carding needle cotton opener into a carding machine, wherein the speed of a licker-in is 500-1100r/min, the speed of a cylinder is 200-600r/min, the speed of a doffer is 10-50r/min, the spacing of a cylinder cover plate is 0.1-0.5, the spacing of the cylinder licker-in is 0.1-0.4mm, the spacing of a rear fixed cover plate of the cylinder is 0.5-0.7mm, the spacing of a front fixed cover plate is 0.2-0.6mm, the ration of raw slivers is 4-6g/m, and the sliver discharging speed is 80-160m/min;
sixthly, discharging the cotton carding machine into a head doubling machine, wherein the sliver discharging speed of the head doubling machine is 180-240m/min, the roller gauge is (8-12) multiplied by (18-22) mm, the back zone drafting multiple is 1.5-2.1 times, the head doubling ration is 2-4g/m, and the total drafting multiple is 5-7 times;
seventhly, discharging materials of the head doubling machine enter a secondary doubling machine, the sliver discharging speed of the secondary doubling machine is 180-240m/min, the roller gauge is (8-12) multiplied by (18-22) mm, the drafting multiple of a rear zone is 1-1.5 times, the head doubling ration is 2-4g/m, and the total drafting multiple is 5-7 times;
step eight, discharging the two-doubling machine into a roving machine, wherein the roving ration of the roving machine is 0.3-0.7g/m, the roller gauge is (10-15) × (25-34) × (35-40) mm, the drafting multiple of a rear zone is 1-1.5 times, the roving twist coefficient is 50-90, and the spindle speed is 500-900r/min;
and step nine, feeding the discharged material of the roving frame into a spinning frame, wherein the spinning process adopts a core-spun yarn production mode, the discharged material of the roving frame is fed from a rear roller through a horn mouth of the spinning frame, a new regenerated polyester filament yarn is selected to be fed from a front roller, and the new regenerated polyester filament yarn and the front roller are converged at a front roller nip to be twisted and spun together to form yarn, wherein the roller gauge of the spinning frame is (15-25) × (30-45) mm, the drafting multiple of a rear area is 1-1.4 times, the roller speed is 150-230r/min, and the twist coefficient of the formed yarn is 340-360.
2. The method for preparing regenerated environment-friendly composite sewing thread according to claim 1, characterized in that the equilibrium standing time of the regenerated polyester staple fiber in the first step is at least 24 hours.
3. The method for preparing a regenerated environment-friendly composite sewing thread according to claim 1, wherein the bale plucker is a disc bale plucker.
4. The method for preparing a regenerated environment-friendly composite sewing thread according to claim 1, wherein the cotton mixer is a multi-bin cotton mixer.
5. The regenerated environment-friendly composite sewing thread manufactured by the preparation method of any one of claims 1 to 4 comprises a core thread and an outer fiber coating layer, wherein the core thread is regenerated polyester filament yarn, and the outer fiber coating layer is regenerated polyester staple fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211620687.XA CN115961403B (en) | 2022-12-16 | 2022-12-16 | Regenerated environment-friendly composite sewing thread and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211620687.XA CN115961403B (en) | 2022-12-16 | 2022-12-16 | Regenerated environment-friendly composite sewing thread and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115961403A true CN115961403A (en) | 2023-04-14 |
| CN115961403B CN115961403B (en) | 2024-04-02 |
Family
ID=87359146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211620687.XA Active CN115961403B (en) | 2022-12-16 | 2022-12-16 | Regenerated environment-friendly composite sewing thread and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115961403B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106637563A (en) * | 2017-01-18 | 2017-05-10 | 江南大学 | Production method of all-natural colored spun yarn |
| CN108251952A (en) * | 2017-03-29 | 2018-07-06 | 江苏悦达棉纺有限公司 | A kind of tencel mercerising knitting fabric and its production method |
| CN109972278A (en) * | 2019-04-18 | 2019-07-05 | 江阴芗菲服饰有限公司 | A kind of regenerated fiber blended knitted fabric and preparation method thereof |
| CN109972249A (en) * | 2019-04-25 | 2019-07-05 | 江南大学 | The production method of environmentally friendly Gao Zhipu comb yarn |
| CN110055651A (en) * | 2019-05-29 | 2019-07-26 | 南通双弘纺织有限公司 | The scribbled and its spinning process of Sorona fiber, Seawool fiber and regenerated terylene |
| US20210262124A1 (en) * | 2019-01-27 | 2021-08-26 | Sharadha Terry Products Ltd | System for manufacturing textile products from roving waste material and method thereof |
-
2022
- 2022-12-16 CN CN202211620687.XA patent/CN115961403B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106637563A (en) * | 2017-01-18 | 2017-05-10 | 江南大学 | Production method of all-natural colored spun yarn |
| CN108251952A (en) * | 2017-03-29 | 2018-07-06 | 江苏悦达棉纺有限公司 | A kind of tencel mercerising knitting fabric and its production method |
| US20210262124A1 (en) * | 2019-01-27 | 2021-08-26 | Sharadha Terry Products Ltd | System for manufacturing textile products from roving waste material and method thereof |
| CN109972278A (en) * | 2019-04-18 | 2019-07-05 | 江阴芗菲服饰有限公司 | A kind of regenerated fiber blended knitted fabric and preparation method thereof |
| CN109972249A (en) * | 2019-04-25 | 2019-07-05 | 江南大学 | The production method of environmentally friendly Gao Zhipu comb yarn |
| CN110055651A (en) * | 2019-05-29 | 2019-07-26 | 南通双弘纺织有限公司 | The scribbled and its spinning process of Sorona fiber, Seawool fiber and regenerated terylene |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115961403B (en) | 2024-04-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100580163C (en) | Production method for ultra fine soft wool yern | |
| CN106048801B (en) | A kind of Chinese fiber crops and 80 yarns of long wool cotton blend and its production method | |
| CN103305997B (en) | A kind of production method of pure cotton high-count yarns bag yarn cladded yarn | |
| CN103572447B (en) | A kind of manufacture method of compound core-spun sewing thread | |
| CN105755622B (en) | A kind of rove method AB yarn production technologies | |
| CN101994185B (en) | Super high pure cotton yarn and production method thereof | |
| CN103981612B (en) | A kind of AB ring composite yarn and production method thereof | |
| CN111321495B (en) | Production and processing method of worsted cotton-wool blended yarn | |
| CN105401293A (en) | Novel fancy yarn and production method thereof | |
| CN101942718A (en) | Elastic blended yarn and preparation method thereof | |
| CN108842247A (en) | Match the production technology of network compact spinning combed cotton and cellulosic fibre blend yarn | |
| CN102995223A (en) | Ultraviolet-proof shell fabric and manufacturing method thereof | |
| CN109322022A (en) | A kind of close SEILE textile strand and its production method and purposes | |
| CN105256429A (en) | Production method of polyamide-modified-polyester-fiber-polyester-cotton fiber blended yarn | |
| CN101177819A (en) | Weaving of core-spun yarn | |
| CN106757617A (en) | A kind of production method of crotalaria sp/flax/Modal mixed yarn | |
| CN105755624A (en) | Production technology of air spinning cotton core filament covering yarn | |
| CN110747549B (en) | Polylactic acid and tencel blended yarn and spinning method | |
| CN103215712A (en) | Ultrashort fine and soft fiber poly wool yarn and production method thereof | |
| CN102534914B (en) | Snowflake yarn and manufacturing method thereof | |
| CN109056133A (en) | A kind of tussah silk yarn and its spinning process | |
| CN103572446B (en) | A kind of manufacture method of the core-spun sewing thread being heart yearn with AIRJET TEXTURING YARN | |
| CN115961403A (en) | Regenerated environment-friendly composite sewing thread and preparation method thereof | |
| CN108823717A (en) | A kind of combed cotton yarn and its spinning process | |
| CN108796719A (en) | A kind of blended weave of cashmere and bamboo fiber blended yarn |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |