CN111996635A - Processing method of semi-worsted pure rabbit wool yarn - Google Patents
Processing method of semi-worsted pure rabbit wool yarn Download PDFInfo
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- CN111996635A CN111996635A CN202010834479.4A CN202010834479A CN111996635A CN 111996635 A CN111996635 A CN 111996635A CN 202010834479 A CN202010834479 A CN 202010834479A CN 111996635 A CN111996635 A CN 111996635A
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/025—Yarns or threads formed from hair
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2211/00—Protein-based fibres, e.g. animal fibres
- D10B2211/01—Natural animal fibres, e.g. keratin fibres
- D10B2211/02—Wool
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Abstract
The invention discloses a processing method of semi-worsted pure rabbit hair yarn, relates to the technical field of spinning, and particularly relates to pure spinning and color spinning applied to high-count and high-proportion rabbit hair yarn. The method comprises the following process steps: carding, wool blending, carding sliver making, drawing, roving, spinning, automatic spooling, yarn doubling and yarn twisting. Compared with the prior art, the process method has the advantages of stable quality of the prepared wool yarn, high quality grade of wool yarn products, great reduction of raw material loss, improvement of labor efficiency and reduction of labor intensity.
Description
Technical Field
The invention relates to the technical field of rabbit hair spinning, in particular to the technical field of pure spinning and color spinning applied to high-count and high-proportion yarns of rabbit hair and rabbit hair.
Background
The rabbit hair fiber has the characteristics of light weight, smoothness, poor cohesive force, large static electricity, low strength and the like, brings certain difficulty to rabbit hair processing, and rabbit hair products in the market are mainly blended or high-proportion low-count woolen. The rabbit hair fiber is not easy to strip, the poor cohesion of the wool top cannot be pulled, and the main factors restricting the production of pure rabbit hair or high-proportion rabbit hair high-count yarn. However, the method has the defects that the card clothing is easy to pollute and is frequently cleaned, short fibers and coarse fibers are not easy to throw out in the processing process, and the hair falling and pilling probability of the final fabric finished product is increased. The other is to make some changes in the equipment according to the characteristics of rabbit hair. However, the modified equipment can not be fused with the original spinning system principle and process, so that the physical indexes of the yarns can not meet the requirements.
In recent years, with the rise of home and abroad textile markets returning to nature and green textiles, natural fibers are popular with consumers due to good wearing comfort, health care function and dyeing property, and the like, and are beneficial to human health. The rabbit hair fiber is a high-grade textile raw material in natural fiber, has the characteristics of light weight, warmness, softness and smoothness, has good affinity with human skin when being taken due to protein fiber, and is comfortable, dry, cool, light and warm to wear, and soft and luxurious in appearance.
Although the rabbit hair product has outstanding advantages, the rabbit hair fiber has the characteristics of light weight, smoothness, poor cohesion, large static electricity, low strength and the like, and brings certain difficulty to the processing of the rabbit hair product. Therefore, the ideal pure rabbit hair (velvet) yarn is successfully spun by using the existing equipment through equipment reformation and technical innovation by using a semi-worsted production flow.
Disclosure of Invention
The invention solves the following problems in the pure spinning and color spinning process of rabbit hair (velvet) high-count and high-proportion yarns:
1. rabbit hair (down) fiber has poor cohesion force and is not easy to strip;
2. the rabbit hair (down) has poor fiber cohesion, the wool tops are easy to split, the accidental drafting is large in the drawing process, and the wool tops are easy to break;
3. the breakage rate in the rabbit hair (down) fiber spinning process is high, and the labor capacity of operators is large;
4. the rabbit hair (down) fiber has unstable quality and large loss of raw materials in the spinning process;
5. solves the defects that the prior process for producing the rabbit fur (wool) has the disadvantages that the card clothing is easy to stain, short wool and coarse wool are not easy to discharge, and the final rabbit fur (wool) product is easy to fall off and pilling.
The technical scheme of the invention is as follows:
a processing method of semi-worsted pure rabbit wool yarn comprises the following processing steps: selecting raw materials, carding, blending, carding, drawing, roving, spinning, automatically winding, doubling and twisting;
the process configuration and the process parameters of each procedure are as follows:
(1) selection of raw materials: high-quality rabbit hair is adopted, the average length of the rabbit hair is 40 mm-55 mm, the average diameter is 13um-30 mu m, the short hair rate below 20 mm is less than or equal to 15%, and the coarseness is 10% -15%;
(2) carding: the process is set as follows by combining the factors of raw material quality fluctuation and temperature and humidity control: the temperature is 20-25 ℃, the humidity is 60-65%, the thickness-throwing roller is 250-420r/min, the transfer roller is 1400-1800r/min, the wool-poking roller is 300-350r/min, the thickness percentage of the produced wool is 5-10 per mill, the short wool percentage below 20 mm is not more than 9%, and the average length is 45-55 mm, so that the non-wool requirement is met;
(3) blending: aiming at the characteristic of low fiber strength of rabbit hair (down), the principle of 'less feeding and low vehicle speed' is emphasized, namely the feeding amount per hour is not more than 50 kg, the cylinder speed is 80-100r/min, the dust cage effect is fully exerted, part of short fiber and impurities are removed, the caked rabbit hair (down) is decomposed into bundles by opening for the first time, and the caked rabbit hair (down) is humidified at the same time by opening for the second time, so that the post-tempering is ensured to be 23 +/-2%;
(4) carding and making strips: the carding emphasis adopts 'light weight, low vehicle speed and medium gauge distance', and is configured as follows: the temperature is 20-25 ℃, the humidity is 60-65%, the cover plate speed is 10-12 cm/min, the cylinder speed is 85-105r/min, the poking roller speed is 85-120r/min, the cylinder doffer gauge is 0.17 mm, the sliver outlet weight is 12-18 Ag/5 m, the irregularity is less than or equal to 3.5%, so that flexible carding is realized, the fiber damage is reduced, and the sliver outlet short fiber rate is reduced;
(5) drawing: the drawing process adopts the process principle of 'light weight, small size and low vehicle speed', the temperature is 20-25 ℃, the humidity is 70-75%, the front area holding distance is grasped according to 'the effective length of the fiber is plus 5-9 mm', the number is counted to 6-8, the vehicle speed is controlled to be 45-55m/min, the total draft multiple is 6-8 times, and a leather roller with winding-resistant coating treatment and Shore hardness of 70-75 is adopted;
(6) roving: because the fine yarn siro spinning adopts a single-side four-row roving frame, the yarn guiding distance is long, and the double-row parallel feeding is adopted, the coarse yarn adopts the production process of light ration and large twist, the temperature is 20-25 ℃, the humidity is 70-75%, the ration is 2.5-3.5 Ag/10 m, and the twist is 7.5-8.5 pieces/10 cm;
(7) spinning: compact siro spinning is adopted, the yarn structure is compact, the hairiness is less, the smoothness is better, the wear resistance is good, the pilling is less, the hand feeling is soft and smooth, the process adopts a knitting yarn process, the temperature is 20-25 ℃, the rear zone distance of the humidity is 60-65 percent is maximized, the smaller rear zone drafting multiple of 1.12 times is adopted, the spun yarn twisting coefficient of 380-450 times is adopted, the vehicle speed of the whole vehicle is reduced, and the spindle speed is 6000-8000 r/min;
(8) automatic spooling: the automatic winding needs to properly reduce the winding speed, the relevant parameters of the electronic yarn clearer need to be tightened, and the main parameters are as follows: the spooling speed is 350 and 400m/min, the short coarse knot + 150 percent, the length is 2 cm, the long coarse knot + 50 percent, the length is 50 cm, the long detail is-25 percent, and the length is 50 cm;
(9) and (3) doubling: the winding speed is controlled at 200-300m/min, the tension sheet is selected to be moderate and can be adjusted between 1-3 sheets;
(10) twisting: the ingot speed is 5000-.
Preferably, the invention relates to a processing method of semi-worsted pure rabbit hair yarn, which comprises the following steps: the process is set as follows: the temperature is 20 ℃, the humidity is 60%, the thickness throwing roller is 250r/min, the transfer roller is 1400r/min, the wool poking roller is 300r/min, the thickness percentage of the produced wool is 5 per mill, the short wool rate below 20 mm is not more than 9%, and the average length is 45 mm;
(2) the wool: feeding the feed in no more than 50 kg per hour, and keeping the cylinder speed at 80 r/min;
(3) carding and making strips: the temperature is 20 ℃, the humidity is 60%, the cover plate speed is 10 cm/min, the cylinder speed is 85r/min, the poking rod speed is 85r/min, the cylinder doffer gauge is 0.17 mm, the bar outlet weight is 12 Ag/5 m, and the irregularity is less than or equal to 3.5%;
(4) drawing: the temperature is 20 ℃, the humidity is 70%, the front-region holding distance is grasped according to the effective fiber length plus 5 mm and is counted by 6, the speed is controlled to be 45m/min, the total draft multiple is 6 times, and a leather roller which is treated by winding-resistant coating and has the Shore hardness of 70 is adopted;
(5) the roving: temperature 20 deg.C, humidity 70%, quantit 2.5 Ag/10 m, twist 7.5/10 cm;
(6) the spun yarn: the temperature is 20 ℃, the humidity is 60 percent, the spun yarn twisting coefficient of 380 is adopted, and the spindle speed is 6000 r/min;
(7) and (3) automatic spooling: the spooling speed is 350m/min, the short coarse pitch is + 150%, the length is 2 cm, the long coarse pitch is + 50%, the length is 50 cm, the long detail is-25%, and the length is 50 cm;
(8) and (3) doubling: the winding speed is controlled at 200 m/min;
(9) the twisting: the ingot speed is 5000 r/min.
Another preferred method for processing semi-worsted pure rabbit hair yarn of the present invention is (1) the carding: the process is set as follows: the temperature is 25 ℃, the humidity is 65%, the thickness throwing roller is 420r/min, the transfer roller is 1800r/min, the wool poking roller is 350r/min, the wool quality contains 10 per mill of coarseness, the short wool rate below 20 mm is not more than 9%, and the average length is 55 mm;
(2) the wool: feeding the feed in no more than 50 kg per hour, and keeping the cylinder speed at 100 r/min;
(3) carding and making strips: the temperature is 25 ℃, the humidity is 65%, the cover plate speed is 12 cm/min, the cylinder speed is 105r/min, the poking rod speed is 120r/min, the cylinder doffer gauge is 0.17 mm, the strip outlet weight is 18 Ag/5 m, and the irregularity is less than or equal to 3.5%;
(4) drawing: the temperature is 25 ℃, the humidity is 75%, the front-region holding distance is grasped according to the effective fiber length plus 9 mm and is counted by 8, the speed is controlled to be 55m/min, the total draft multiple is 8 times, and a leather roller which is treated by winding-resistant coating and has the Shore hardness of 75 is adopted;
(5) the roving: at 25 deg.C, 75% humidity, 3.5 Ag/10 m quantitive, 8.5 twists/10 cm;
(6) the spun yarn: the temperature is 25 ℃, the humidity is 65%, the spun yarn twisting coefficient of 450 is adopted, and the spindle speed is 8000 r/min;
(7) and (3) automatic spooling: the spooling speed is 400m/min, the short coarse pitch + 150%, the length is 2 cm, the long coarse pitch + 50%, the length is 50 cm, the long detail is-25%, and the length is 50 cm;
(8) and (3) doubling: the winding speed is controlled at 300 m/min;
(9) the twisting: the ingot speed is 7000 r/min.
Another preferred method for processing semi-worsted pure rabbit hair yarn of the present invention is (1) the carding: the process is set as follows: the temperature is 22 ℃, the humidity is 63%, the thickness throwing roller 285r/min, the transfer roller 1600r/min and the wool poking roller 325r/min are adopted, the wool quality contains 8 per mill of coarseness, the short wool rate below 20 mm is not more than 9%, and the average length is 50 mm;
(2) the wool: feeding the feed in no more than 50 kg per hour, and the cylinder speed is 90 r/min;
(3) carding and making strips: the temperature is 22 ℃, the humidity is 63%, the cover plate speed is 11 cm/min, the cylinder speed is 95r/min, the poking rod speed is 100r/min, the cylinder doffer gauge is 0.17 mm, the strip outlet weight is 15 Ag/5 m, and the irregularity is less than or equal to 3.5%;
(4) drawing: the temperature is 22 ℃, the humidity is 73 percent, the front-region holding distance is grasped according to the fiber effective length plus 7 mm, the number is counted up to 7, the speed is controlled to be 50m/min, the total draft multiple is 7 times, and a leather roller which is treated by winding-resistant coating and has the Shore hardness of 73 is adopted;
(5) the roving: temperature 22 deg.C, humidity 73%, quantit 3.0 Ag/10 m, twist 8.0/10 cm;
(6) the spun yarn: the temperature is 22 ℃, the humidity is 63 percent, the spinning twist coefficient of 410 is adopted, and the spindle speed is 7000 r/min;
(7) and (3) automatic spooling: the spooling speed is 370m/min, the short coarse pitch is + 150%, the length is 2 cm, the long coarse pitch is + 50%, the length is 50 cm, the long detail is-25%, and the length is 50 cm;
(8) and (3) doubling: the winding speed is controlled at 250 m/min;
(9) the twisting: the ingot speed is 6000 r/min.
The invention relates to a processing technique of semi-worsted pure rabbit hair yarn, which selects high-quality rabbit hair as a raw material, is a decisive factor for solving the problems of pilling and hair falling of rabbit hair products, and is a precondition for spinning high-quality yarn;
the process flow comprises the following steps: carding, BC262 and wool, FB220 carding, FA320A drawing, TH495 roving, TH518 spun yarn, SMARO-NEW automatic spooling, YH2002B doubling, YH146NH-E twisting;
the process configuration and process parameters of each process are as follows:
carding: the factors of raw material quality fluctuation and temperature and humidity control are combined to meet the plush-free requirement, and good conditions are created for each subsequent spinning process; the invention relates to a patent applied by the applicant of a carding machine, and the patent number ZL 200910070119.5 can obviously overcome the defect of large fiber damage caused by the traditional 186 series carding machine;
blending: the dust cage effect is fully played, part of short fibers and impurities are removed, the caked rabbit hair (down) is decomposed into a bundle shape by opening for the first time, and the rabbit hair (down) is opened for the second time and is humidified at the same time, so that the post-mixing moisture regain is ensured to be 23 +/-2%; only water is added during wool blending without wool blending oil and an antistatic agent, so that the pollution to card clothing during wool blending oil use and the phenomenon that short fibers in yarns cannot be discharged due to the viscosity of oil are avoided, and the matched after-finishing process is simpler and the product is more environment-friendly;
carding and making strips: the carding emphasizes that the soft carding is realized by adopting light ration, low vehicle speed and middle spacing, the fiber damage is reduced, the sliver yielding short fiber rate is reduced, one of the difficulties in spinning rabbit hair (wool) yarns is in the sliver making link of the sliver making procedure in the carding, and the applicant utilizes spontaneously developed equipment (the patent name is rabbit hair sliver false twister, the patent number is ZL 201920620990.7) to be more environment-friendly, and the quality is easier to control;
drawing: the drawing process adopts the process principle of 'light weight, small size and low speed', which is beneficial to improving the fiber parallelism, reducing fiber hooks, improving the fiber straightening structure and reducing resultant yarn hairiness; and adopt the leather roller that the anti-winding coating is processed, Shore hardness 70-75, reduce the static, prevent the leather roller from accumulating the hair and the cardboard is patterned to produce; aiming at the difficult problems that rabbit hair (down) fibers are not easy to cohere and wool tops are easy to break and not easy to draw, the technical equipment is innovated and developed, and the equipment has the patent name: drawing frame twisting device, patent number ZL 201920620988. X;
roving: the spun yarn siro spinning adopts a single-side four-row roving frame, the yarn guiding distance is long, and two pieces of spun yarn are fed in parallel, so that the spun yarn adopts a production process of light ration and large twist, the fiber is further straightened and parallel, the evenness of the spun yarn evenness is improved, the good forming is ensured, the tension is proper, and the accidental broken ends caused by weak cohesive force of the fiber in the spun yarn drafting process are prevented;
spinning: adopts siro compact spinning, and has compact yarn structure, less filoplume, smoothness, good wear resistance, less pilling and soft and smooth hand feeling. The process adopts a knitting yarn process;
automatic spooling: in order to eliminate long details of the sirospun spun yarn caused by the double-strand feeding missing strand, the automatic winding needs to properly reduce the winding speed, and related parameters of an electronic yarn clearer need to be tightened;
and (3) doubling: the winding speed is controlled at 200-300m/min, the tension sheet is selected properly and can be adjusted between 1-3 sheets, thereby avoiding the generation of small braided yarn and accidental breakage and ensuring the good molding appearance of the cone yarn.
Compared with the prior art, the processing method of the semi-worsted pure rabbit wool yarn has the advantages of stable quality of the prepared wool yarn, high quality grade of wool yarn products, great reduction of raw material loss, improvement of labor efficiency and reduction of labor intensity.
Detailed Description
The present invention is further illustrated by the following examples, but is not limited to these examples. It will be appreciated by those skilled in the art that the present invention encompasses all alternatives, modifications and equivalents as may be included within the scope of the claims.
Example 1
(1) Carding: the process is set as follows: the temperature is 20 ℃, the humidity is 60%, the thickness throwing roller is 250r/min, the transfer roller is 1400r/min, the wool poking roller is 300r/min, the thickness percentage of the produced wool is 5 per mill, the short wool rate below 20 mm is not more than 9%, and the average length is 45 mm;
(2) blending: feeding the feed in no more than 50 kg per hour, and keeping the cylinder speed at 80 r/min;
(3) carding and making strips: the temperature is 20 ℃, the humidity is 60%, the cover plate speed is 10 cm/min, the cylinder speed is 85r/min, the poking rod speed is 85r/min, the cylinder doffer gauge is 0.17 mm, the bar outlet weight is 12 Ag/5 m, and the irregularity is less than or equal to 3.5%;
(4) drawing: the temperature is 20 ℃, the humidity is 70%, the front-region holding distance is grasped according to the effective fiber length plus 5 mm and is counted by 6, the speed is controlled to be 45m/min, the total draft multiple is 6 times, and a leather roller which is treated by winding-resistant coating and has the Shore hardness of 70 is adopted;
(5) roving: temperature 20 deg.C, humidity 70%, quantit 2.5 Ag/10 m, twist 7.5/10 cm;
(6) spinning: the temperature is 20 ℃, the humidity is 60 percent, the spun yarn twisting coefficient of 380 is adopted, and the spindle speed is 6000 r/min;
(7) automatic spooling: the spooling speed is 350m/min, the short coarse pitch is + 150%, the length is 2 cm, the long coarse pitch is + 50%, the length is 50 cm, the long detail is-25%, and the length is 50 cm;
(8) and (3) doubling: the winding speed is controlled at 200 m/min;
(9) twisting: the ingot speed is 5000 r/min.
Example 2
(1) Carding: the process is set as follows: the temperature is 25 ℃, the humidity is 65%, the thickness throwing roller is 420r/min, the transfer roller is 1800r/min, the wool poking roller is 350r/min, the wool quality contains 10 per mill of coarseness, the short wool rate below 20 mm is not more than 9%, and the average length is 55 mm;
(2) blending: feeding the feed in no more than 50 kg per hour, and keeping the cylinder speed at 100 r/min;
(3) carding and making strips: the temperature is 25 ℃, the humidity is 65%, the cover plate speed is 12 cm/min, the cylinder speed is 105r/min, the poking rod speed is 120r/min, the cylinder doffer gauge is 0.17 mm, the strip outlet weight is 18 Ag/5 m, and the irregularity is less than or equal to 3.5%;
(4) drawing: the temperature is 25 ℃, the humidity is 75%, the front-region holding distance is grasped according to the effective fiber length plus 9 mm and is counted by 8, the speed is controlled to be 55m/min, the total draft multiple is 8 times, and a leather roller which is treated by winding-resistant coating and has the Shore hardness of 75 is adopted;
(5) roving: at 25 deg.C, 75% humidity, 3.5 Ag/10 m quantitive, 8.5 twists/10 cm;
(6) spinning: the temperature is 25 ℃, the humidity is 65%, the spun yarn twisting coefficient of 450 is adopted, and the spindle speed is 8000 r/min;
(7) automatic spooling: the spooling speed is 400m/min, the short coarse pitch + 150%, the length is 2 cm, the long coarse pitch + 50%, the length is 50 cm, the long detail is-25%, and the length is 50 cm;
(8) and (3) doubling: the winding speed is controlled at 300 m/min;
(9) twisting: the ingot speed is 7000 r/min.
Example 3
(1) Carding: the process is set as follows: the temperature is 22 ℃, the humidity is 63%, the thickness throwing roller 285r/min, the transfer roller 1600r/min and the wool poking roller 325r/min are adopted, the wool quality contains 8 per mill of coarseness, the short wool rate below 20 mm is not more than 9%, and the average length is 50 mm;
(2) blending: feeding the feed in no more than 50 kg per hour, and the cylinder speed is 90 r/min;
(3) carding and making strips: the temperature is 22 ℃, the humidity is 63%, the cover plate speed is 11 cm/min, the cylinder speed is 95r/min, the poking rod speed is 100r/min, the cylinder doffer gauge is 0.17 mm, the strip outlet weight is 15 Ag/5 m, and the irregularity is less than or equal to 3.5%;
(4) drawing: the temperature is 22 ℃, the humidity is 73 percent, the front-region holding distance is grasped according to the fiber effective length plus 7 mm, the number is counted up to 7, the speed is controlled to be 50m/min, the total draft multiple is 7 times, and a leather roller which is treated by winding-resistant coating and has the Shore hardness of 73 is adopted;
(5) roving: temperature 22 deg.C, humidity 73%, quantit 3.0 Ag/10 m, twist 8.0/10 cm;
(6) spinning: the temperature is 22 ℃, the humidity is 63 percent, the spinning twist coefficient of 410 is adopted, and the spindle speed is 7000 r/min;
(7) automatic spooling: the spooling speed is 370m/min, the short coarse pitch is + 150%, the length is 2 cm, the long coarse pitch is + 50%, the length is 50 cm, the long detail is-25%, and the length is 50 cm;
(8) and (3) doubling: the winding speed is controlled at 250 m/min;
(9) twisting: the ingot speed is 6000 r/min.
The yarns prepared in examples 1, 2 and 3 are yarn 1 and yarn 2 and yarn 3 respectively, and the physical quality index detection and the industry standard (FZ/T71008-2008) are compared as follows: (taking 80Nm/2 pure rabbit wool yarn as an example)
It can be seen from the above list that the yarns produced in examples 1, 2 and 3 of the present invention all compare better than the standards of the superior products.
Claims (4)
1. A processing method of semi-worsted pure rabbit wool yarn is characterized by comprising the following processing steps: selecting raw materials, carding, blending, carding, drawing, roving, spinning, automatically winding, doubling and twisting;
the process configuration and the process parameters of each procedure are as follows:
(1) selection of raw materials: high-quality rabbit hair is adopted, the average length of the rabbit hair is 40 mm-55 mm, the average diameter is 13um-30 mu m, the short hair rate below 20 mm is less than or equal to 15%, and the coarseness is 10% -15%;
(2) carding: the process is set as follows by combining the factors of raw material quality fluctuation and temperature and humidity control: the temperature is 20-25 ℃, the humidity is 60-65%, the thickness-throwing roller is 250-420r/min, the transfer roller is 1400-1800r/min, the wool-poking roller is 300-350r/min, the thickness percentage of the produced wool is 5-10 per mill, the short wool percentage below 20 mm is not more than 9%, and the average length is 45-55 mm, so that the non-wool requirement is met;
(3) blending: aiming at the characteristic of low fiber strength of rabbit hair (down), the principle of 'less feeding and low vehicle speed' is emphasized, namely the feeding amount per hour is not more than 50 kg, the cylinder speed is 80-100r/min, the dust cage effect is fully exerted, part of short fiber and impurities are removed, the caked rabbit hair (down) is decomposed into bundles by opening for the first time, and the caked rabbit hair (down) is humidified at the same time by opening for the second time, so that the post-tempering is ensured to be 23 +/-2%;
(4) carding and making strips: the carding emphasis adopts 'light weight, low vehicle speed and medium gauge distance', and is configured as follows: the temperature is 20-25 ℃, the humidity is 60-65%, the cover plate speed is 10-12 cm/min, the cylinder speed is 85-105r/min, the poking roller speed is 85-120r/min, the cylinder doffer gauge is 0.17 mm, the sliver outlet weight is 12-18 Ag/5 m, the irregularity is less than or equal to 3.5%, so that flexible carding is realized, the fiber damage is reduced, and the sliver outlet short fiber rate is reduced;
(5) drawing: the drawing process adopts the process principle of 'light weight, small size and low vehicle speed', the temperature is 20-25 ℃, the humidity is 70-75%, the front area holding distance is grasped according to 'the effective length of the fiber is plus 5-9 mm', the number is counted to 6-8, the vehicle speed is controlled to be 45-55m/min, the total draft multiple is 6-8 times, and a leather roller with winding-resistant coating treatment and Shore hardness of 70-75 is adopted;
(6) roving: because the fine yarn siro spinning adopts a single-side four-row roving frame, the yarn guiding distance is long, and the double-row parallel feeding is adopted, the coarse yarn adopts the production process of light ration and large twist, the temperature is 20-25 ℃, the humidity is 70-75%, the ration is 2.5-3.5 Ag/10 m, and the twist is 7.5-8.5 pieces/10 cm;
(7) spinning: compact siro spinning is adopted, the yarn structure is compact, the hairiness is less, the smoothness is better, the wear resistance is good, the pilling is less, the hand feeling is soft and smooth, the process adopts a knitting yarn process, the temperature is 20-25 ℃, the rear zone distance of the humidity is 60-65 percent is maximized, the smaller rear zone drafting multiple of 1.12 times is adopted, the spun yarn twisting coefficient of 380-450 times is adopted, the vehicle speed of the whole vehicle is reduced, and the spindle speed is 6000-8000 r/min;
(8) automatic spooling: the automatic winding needs to properly reduce the winding speed, the relevant parameters of the electronic yarn clearer need to be tightened, and the main parameters are as follows: the spooling speed is 350 and 400m/min, the short coarse knot + 150 percent, the length is 2 cm, the long coarse knot + 50 percent, the length is 50 cm, the long detail is-25 percent, and the length is 50 cm;
(9) and (3) doubling: the winding speed is controlled at 200-300m/min, the tension sheet is selected to be moderate and can be adjusted between 1-3 sheets;
(10) twisting: the ingot speed is 5000-.
2. The processing method of semi-worsted pure rabbit hair yarn according to claim 1, characterized in that: (1) carding: the process is set as follows: the temperature is 20 ℃, the humidity is 60%, the thickness throwing roller is 250r/min, the transfer roller is 1400r/min, the wool poking roller is 300r/min, the thickness percentage of the produced wool is 5 per mill, the short wool rate below 20 mm is not more than 9%, and the average length is 45 mm;
(2) the wool: feeding the feed in no more than 50 kg per hour, and keeping the cylinder speed at 80 r/min;
(3) carding and making strips: the temperature is 20 ℃, the humidity is 60%, the cover plate speed is 10 cm/min, the cylinder speed is 85r/min, the poking rod speed is 85r/min, the cylinder doffer gauge is 0.17 mm, the bar outlet weight is 12 Ag/5 m, and the irregularity is less than or equal to 3.5%;
(4) drawing: the temperature is 20 ℃, the humidity is 70%, the front-region holding distance is grasped according to the effective fiber length plus 5 mm and is counted by 6, the speed is controlled to be 45m/min, the total draft multiple is 6 times, and a leather roller which is treated by winding-resistant coating and has the Shore hardness of 70 is adopted;
(5) the roving: temperature 20 deg.C, humidity 70%, quantit 2.5 Ag/10 m, twist 7.5/10 cm;
(6) the spun yarn: the temperature is 20 ℃, the humidity is 60 percent, the spun yarn twisting coefficient of 380 is adopted, and the spindle speed is 6000 r/min;
(7) and (3) automatic spooling: the spooling speed is 350m/min, the short coarse pitch is + 150%, the length is 2 cm, the long coarse pitch is + 50%, the length is 50 cm, the long detail is-25%, and the length is 50 cm;
(8) and (3) doubling: the winding speed is controlled at 200 m/min;
(9) the twisting: the ingot speed is 5000 r/min.
3. The processing method of semi-worsted pure rabbit hair yarn according to claim 1, characterized in that: (1) the carding: the process is set as follows: the temperature is 25 ℃, the humidity is 65%, the thickness throwing roller is 420r/min, the transfer roller is 1800r/min, the wool poking roller is 350r/min, the wool quality contains 10 per mill of coarseness, the short wool rate below 20 mm is not more than 9%, and the average length is 55 mm;
(2) the wool: feeding the feed in no more than 50 kg per hour, and keeping the cylinder speed at 100 r/min;
(3) carding and making strips: the temperature is 25 ℃, the humidity is 65%, the cover plate speed is 12 cm/min, the cylinder speed is 105r/min, the poking rod speed is 120r/min, the cylinder doffer gauge is 0.17 mm, the strip outlet weight is 18 Ag/5 m, and the irregularity is less than or equal to 3.5%;
(4) drawing: the temperature is 25 ℃, the humidity is 75%, the front-region holding distance is grasped according to the effective fiber length plus 9 mm and is counted by 8, the speed is controlled to be 55m/min, the total draft multiple is 8 times, and a leather roller which is treated by winding-resistant coating and has the Shore hardness of 75 is adopted;
(5) the roving: at 25 deg.C, 75% humidity, 3.5 Ag/10 m quantitive, 8.5 twists/10 cm;
(6) the spun yarn: the temperature is 25 ℃, the humidity is 65%, the spun yarn twisting coefficient of 450 is adopted, and the spindle speed is 8000 r/min;
(7) and (3) automatic spooling: the spooling speed is 400m/min, the short coarse pitch + 150%, the length is 2 cm, the long coarse pitch + 50%, the length is 50 cm, the long detail is-25%, and the length is 50 cm;
(8) and (3) doubling: the winding speed is controlled at 300 m/min;
(9) the twisting: the ingot speed is 7000 r/min.
4. The processing method of semi-worsted pure rabbit hair yarn according to claim 1, characterized in that:
(1) the carding: the process is set as follows: the temperature is 22 ℃, the humidity is 63%, the thickness throwing roller 285r/min, the transfer roller 1600r/min and the wool poking roller 325r/min are adopted, the wool quality contains 8 per mill of coarseness, the short wool rate below 20 mm is not more than 9%, and the average length is 50 mm;
(2) the wool: feeding the feed in no more than 50 kg per hour, and the cylinder speed is 90 r/min;
(3) carding and making strips: the temperature is 22 ℃, the humidity is 63%, the cover plate speed is 11 cm/min, the cylinder speed is 95r/min, the poking rod speed is 100r/min, the cylinder doffer gauge is 0.17 mm, the strip outlet weight is 15 Ag/5 m, and the irregularity is less than or equal to 3.5%;
(4) drawing: the temperature is 22 ℃, the humidity is 73 percent, the front-region holding distance is grasped according to the fiber effective length plus 7 mm, the number is counted up to 7, the speed is controlled to be 50m/min, the total draft multiple is 7 times, and a leather roller which is treated by winding-resistant coating and has the Shore hardness of 73 is adopted;
(5) the roving: temperature 22 deg.C, humidity 73%, quantit 3.0 Ag/10 m, twist 8.0/10 cm;
(6) the spun yarn: the temperature is 22 ℃, the humidity is 63 percent, the spinning twist coefficient of 410 is adopted, and the spindle speed is 7000 r/min;
(7) and (3) automatic spooling: the spooling speed is 370m/min, the short coarse pitch is + 150%, the length is 2 cm, the long coarse pitch is + 50%, the length is 50 cm, the long detail is-25%, and the length is 50 cm;
(8) and (3) doubling: the winding speed is controlled at 250 m/min;
(9) the twisting: the ingot speed is 6000 r/min.
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