EP3048192A1 - Vorrichtung und verfahren zum vermischen und farbmischen auf der basis eines dreifachvorgarnkopplungs-, streck und verdrillsystems und durch das verfahren hergestelltes buntes garn - Google Patents

Vorrichtung und verfahren zum vermischen und farbmischen auf der basis eines dreifachvorgarnkopplungs-, streck und verdrillsystems und durch das verfahren hergestelltes buntes garn Download PDF

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Publication number
EP3048192A1
EP3048192A1 EP14838140.3A EP14838140A EP3048192A1 EP 3048192 A1 EP3048192 A1 EP 3048192A1 EP 14838140 A EP14838140 A EP 14838140A EP 3048192 A1 EP3048192 A1 EP 3048192A1
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EP
European Patent Office
Prior art keywords
ring
roving
drafting
roller
triple
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.)
Withdrawn
Application number
EP14838140.3A
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English (en)
French (fr)
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EP3048192A4 (de
Inventor
Yuan XUE
Honglei YI
Enlong YI
Weixiong Chen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiaxing University
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Jiaxing University
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Publication date
Priority claimed from CN201310369692.2A external-priority patent/CN103556320B/zh
Application filed by Jiaxing University filed Critical Jiaxing University
Publication of EP3048192A1 publication Critical patent/EP3048192A1/de
Publication of EP3048192A4 publication Critical patent/EP3048192A4/de
Withdrawn legal-status Critical Current

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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
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/34—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns
    • D02G3/346—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns with coloured effects, i.e. by differential dyeing process
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/22—Drafting machines or arrangements without fallers or like pinned bars in which fibres are controlled by rollers only
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/32—Regulating or varying draft
    • D01H5/36—Regulating or varying draft according to a pre-arranged pattern, e.g. to produce slubs

Definitions

  • the present invention relates to a method and device for realizing yarn blending and color mixing based on a triple-roving coupling drafting and twisting system, and a colorful yarn prepared via the method.
  • Ring spinning is one of the most often used and most universal spinning methods on the market at present.
  • the ring spinning of a composite yarn is usually realized by arranging different yarns among front, middle and rear rollers in a drafting and twisting step; for example, in a preposed left-and-right shifting overfeeding composite spinning device and process having the publication number CN102787411A , a front roller rotates to enable a bridging roller, a speed adjusting roller and an overfeeding roller to frictionally drive an outer-axis long tow, or a yarn is overfed to the front portions of the front rollers and converged and twisted with an output short fiber silver to form a dual-component overfed composite yarn.
  • CN102704124A a three-axis composite spinning method and an application thereof are disclosed. Synchronous three-axis feeding into a front roller is realized through a buncher; after coming out of the jaw of the front roller, two bundles of filaments are wrapped around a short fiber silver in a twisting triangle zone to form a dual-filament sleek composite yarn that are substantially non-self-twisted and short fiber silver wrapping.
  • CN101899734A disclosed is a dual-structure device and method to process polyester-viscose blended yarns, wherein a plurality of yarn channels are arranged for front and middle rollers and a V-shaped collector is arranged for a rear roller to realize yarn blending; and the technique may solve the problem of uncontrollable fiber mixing in the prior art. Blending by using the ring spinning method often has defects in functionalities due to uneven mixing or an improper mixing ratio of silvers of different types.
  • a frequently utilized dyeing method has such defects as it has only one color distribution cycle mode and has limited variability of overlaid patterns on fabrics; and as for the segmental colorful yarn formed by using a colored fiber spinning method, generally, the distribution of fibers of only two colors can be regulated and controlled, and thick and thin knots may be formed on the yarn.
  • the previous colored spun yarn technique and segmental colorful yarn technique have the defects that the colors on yarns and their distribution cannot be adjusted at will and multi-color changes of a yarn cannot be realized. If three (or more than three) different colors are formed segmentally on continuous yarns, the yarns can be collectively known as multiple-color segmental colorful yarns or colorful yarns. In the prior art, such multiple-color segmental colorful yarns (colorful yarns) cannot be obtained yet through direct spinning by using existing colored rovings.
  • the primary purpose of the present invention is to provide a device for realizing yarn blending and color mixing based on a triple-roving coupling drafting and twisting system; three pure-spun roving silvers of different raw materials, such as a cotton roving silver, a polyester roving silver, a viscose roving silver and the like, are drafted and twisted together through a drafting and twisting system of a ring spinning fine yarn machine, such that three types of fibers can be blended into a yarn in a specified arbitrary ratio, and therefore, the preparation of the blended yarn of three short fiber raw materials combined in an arbitrary ratio through a short process of a ring spinning one-step method can be realized; and roving silvers of three colors, such as rovings of three primary colors red, green and blue, are drafted and twisted together through the drafting and twisting system of the ring spinning fine yarn machine, such that fibers of three colors can be blended into a yarn in a specified arbitrary ratio
  • the present invention provides a device for realizing yarn blending and color mixing based on a triple-roving coupling drafting and twisting system, including a drafting and twisting system consisting of a set of rear rollers and a set of front rollers, wherein the set of rear rollers includes a combined rear leather roller and a combined rear roller; the set of front rollers includes a front leather roller and a front roller; the combined rear roller consists of rings having three degrees of rotational freedom; and the rings having three degrees of rotational freedom include a first ring, a second ring and a third ring, the three of which rotate independently of each other. Further more, the first ring, the second ring and the third ring are driven by three different servomotors respectively.
  • first ring, the second ring and the third ring sleeve the same spindle in sequence, and any one ring is fixedly connected with the same spindle, while the other two rings are connected with the same spindle in a relatively rotational manner respectively.
  • first ring, the second ring and the third ring have the same outer diameter.
  • first ring, the second ring and the third ring are mounted on three different spindles respectively, and the three different spindles are mounted in the same axis.
  • any two adjacent rings of the first ring, the second ring and the third ring are mounted on the same spindle, while the other one ring is mounted on the other different spindle, and the two spindles are mounted in the same axis; one of the two adjacent rings is fixedly connected with the spindle thereof, while the other one is connected with the spindle thereof in a relatively rotational manner.
  • the combined rear leather roller consists of a first leather roller, a second leather roller and a third leather roller corresponding to the first ring, the second ring and the third ring one to one respectively; the first leather roller, the second leather roller and the third leather roller rotate independently of one another.
  • control-drive system includes three drivers, and the three drivers control rotating speeds of the first ring, the second ring and the third ring respectively, and keep constant sum of weights of three rovings input by the rear roller per unit time.
  • the method for realizing yarn blending and color mixing based on a triple-roving coupling drafting and twisting system by using the device for realizing yarn blending and color mixing based on the triple-roving coupling drafting and twisting system is as follows:
  • V q is the linear speed of the front roller
  • p' is a total linear density (g/m) of the silver after three rovings are drafted, combined and twisted.
  • the above formulas indicate that, for the triple-roving feeding drafting and twisting device having three degrees of freedom, although the draft ratio of the three rovings is changed or the speed of the rear roller is changed, the linear density of the yarn formed after drafting and twisting can be kept constant if it can be guaranteed that the surface linear speeds of the three rings of the rear roller or the draft ratios thereof relative to the front roller satisfy the constraint of the formula (1) or (2); such a drafting way where the surface linear speeds or the draft ratios of the three rings of the rear roller are able to satisfy the above condition is known to us as multi-component coupling drafting or multi-component drafting coupling for yarn forming by keeping the equivalent linear density.
  • the three rovings are three-primary color rovings.
  • the three primary colors are red, green and blue.
  • Color mixing of the three-primary color (or three-color) rovings can be realized by three modes, namely single color mode, two-color mixing mode and three-color mixing mode.
  • the single-color mode is: color A, color B or color C;
  • the two-color mixing mode is color A-B mixing, color B-C mixing or color A-C mixing;
  • the three-color mixing mode is color A-B-C mixing.
  • 7 color mixing modes can be realized through the alternating color changing of the three-primary color rovings.
  • a progressive increase of 10% is selected as a gradient for color mixing and matching, and then the following color mixing and matching solutions can be formed: Table 1 Color Matching Solutions Color A mixing ratio K1 Color B mixing ratio K2 Color C mixing ratio K3 Color Number Single color Color A 1 0 0 1 Color B 0 0 1 2 Color C 0 1 0 3 Two-color mixing AB 0.1 0.9 0 4 0.2 0.8 0 5 0.3 0.7 0 6 0.4 0.6 0 7 0.5 0.5 0 8 0.6 0.4 0 9 0.7 0.3 0 10 0.8 0.2 0 11 0.9 0.1 0 12 BC 0 0.9 0.1 13 0 0.8 0.2 14 0 0.7 0.3 15 0 0.6 0.4 16 0 0.5 0.5 17 0 0.4 0.6 18 0 0.3 0.7 19 0 0.2 0.8 20 0 0.1 0.9 21 AC 0.9 0 0.1 22 0.8 0 0.2 23 0.7 0 0.3 24 0.6 0 0.4 25 0.5 0
  • three three-primary color silvers are converged at the jaw of the front roller and enter a twisting zone where the silvers are twisted by a ring twisting device and an auxiliary twisting device to finally form a three-primary color mixed yarn.
  • a drawing and pulling effect of the front roller on the three three-primary color silvers and the inside-outside movement of fibers in the silvers due to twisting lead to an effective color mixing effect of the colored fibers.
  • the segmental colorful yarn obtained via the above method is formed by mixing three colored rovings that are dragged by three relatively independently rotating rear roller rings respectively; the sum of the linear speeds of the three relatively independently rotating rear roller rings is constant.
  • the mixing ratio of three colored fibers A, B and C in the yarn can be controlled, i.e., the mixing ratio of the three colored fibers and the lengths thereof distributed on the yarn can be configured according to the pattern design requirements of the yarn.
  • maximum 66 color mixing combinations can be realized on the yarn by means of gradient configurations of the mixing ratios of the three colored fibers A,B and C; as the mixing ratios of the three colored fibers vary, random distribution of different colors (66 colors at most) is realized on the yarn in the length direction, and therefore, a color-mixed multi-color segmental colorful yarn that cannot be obtained by using a traditional spinning technique is formed.
  • Such a technique is a major breakthrough of the colored spun yarn technique and segmental colorful yarn technique.
  • a segmental colorful yarn prepared via the method for realizing yarn blending and color mixing based on the triple-roving coupling drafting and twisting system.
  • the ring spinning technique in the prior art does not realize individual control of a single yarn.
  • three sections of rings are arranged on one spindle and controlled by three servomotors respectively, and therefore, individual control of each single yarn is realized; furthermore, the mixing ratios of various components in the blended yarns can be accurately controlled, and then the blended yarns of three short fiber raw materials combined in arbitrary ratios may be prepared through a short process of the ring spinning one-step method.
  • yarns of different colors can be added to each independently controlled part according to requirements and blended into the yarn according to a specified arbitrary ratio; furthermore, based on the principle of matching of the three primary colors, arbitrary color matching spinning can be realized.
  • On-demand configurations of a plurality of roving mixing ratios and color mixing ratios are realized through independent control of three degrees of freedom in the present invention, and therefore, the width of products is increased, and the method is simple and practical.
  • 1 roving 1; 2, roving 2; 3, roving 3; 4, combined rear leather roller; 5, combined rear roller; 6, front leather roller; 7, front roller; 8, first ring; 9, second ring; 10, third ring; 11 and 15, toothed belt; 12, first leather roller; 13, second leather roller; 14, third leather roller.
  • a device for realizing yarn blending and color mixing based on a triple-roving coupling drafting and twisting system includes a drafting and twisting system consisting of a set of rear rollers and a set of front rollers, wherein the set of rear rollers includes a combined rear leather roller 4 and a combined rear roller 5; the set of front rollers includes a front leather roller 6 and a front roller 7; the combined rear roller 5 consists of rings having three degrees of rotational freedom; and the rings having three degrees of rotational freedom include a first ring 8, a second ring 9 and a third ring 10, the three of which rotate independently of each other.
  • the first ring 8, the second ring 9 and the third ring 10 are driven by three different servomotors respectively.
  • the first ring 8, the second ring 9 and the third ring 10 sleeve the same spindle in sequence, and the second ring 9 thereamong is fixedly connected with the spindle through a pin, a key or interference fit; and the other two rings are connected with the spindle in a relatively rotational manner respectively.
  • the first ring, the second ring and the third ring have the same outer diameter.
  • first ring or the third ring may also be fixedly connected with the spindle, while the other two rings are rotatably connected with the spindle. Additionally, the first ring, the second ring and the third ring further may be mounted on three different spindles respectively, and the three different spindles are mounted in the same axis; or any two adjacent rings of the first ring, the second ring and the third ring are mounted on the same spindle, while the other one ring is mounted on the other different spindle, and the two spindles are mounted in the same axis.
  • the combined rear leather roller 4 consists of a first leather roller 12, a second leather roller 13 and a third leather roller 14 corresponding to the first ring, the second ring and the third ring one on one respectively; the first leather roller 12, the second leather roller 13 and the third leather roller 14 rotate independently of one another.
  • Rovings 1, 2 and 3 of three different types pass through the gaps A1, A2 and A3 between the combined leather roller 4 and the combined rear roller 5, and then are converged in a gap B between the front leather roller 6 and the front roller 7 and pass through the set of front rollers to be subsequently twisted in position C of a twister (not shown).
  • control-drive system includes drivers 3-5 controlled by a frequency transducer, and the three drivers control rotating speeds of the first ring, the second ring and the third ring respectively, and keep constant sum of weights of three rovings input by the rear roller per unit time.
  • the method for realizing yarn blending and color mixing based on a triple-roving coupling drafting and twisting system by using the above device for realizing yarn blending and color mixing based on the triple-roving coupling drafting and twisting system is as follows:
  • Embodiment 2 is substantially the same as embodiment 1 in structure, and differs from embodiment 1 in that:
  • the present invention may also realize independent control on the rotating speeds of the three rings by using other devices, such as a single chip computer, a computer and the like, in such drive and transmission forms as the servomotors and the like, and realize that the rotating speeds thereof satisfy the needs of the formulas (1) and (2).
  • a three-primary color coupling drafting and twisting device of the present invention which consists of a drafting system and a twisting system.
  • the drafting system consists of a rear combined roller 100, a middle roller 200 and a front roller 300; a flare opening 500 is formed between the front roller and the middle roller.
  • the rear combined roller 100 includes three sections of a first ring 8, a second ring 9 and a third ring 10 having the same outer diameter, and a first leather roller 12, a second leather roller 13 and a third leather roller 14 corresponding to the first ring 8, the second ring 9 and the third ring 10 one to one.
  • the first ring 8, the second ring 9 and the third ring 10 sleeve the same spindle in sequence, and are driven by three different servomotors respectively.
  • the second ring 9 thereamong is fixedly connected with the spindle through a pin, a key or interference fit; and the other two rings are connected with the spindle in a relatively rotatable manner respectively.
  • Two servomotors drive the first ring 8 and the third ring 10 to rotate through a first toothed belt 15 and a third toothed belt 11 respectively; the second ring 9 then rotates synchronously along with the spindle and is controlled by aother servomotor.
  • the drafting mechanism has three degrees of freedom and is capable of realizing coupling drafting of three degrees of freedom to the fed red colored roving A, yellow colored roving B and blue colored roving C. That is to say, in the drafting zone, holding points of the red colored roving A, the yellow colored roving B and the blue colored roving C with the front leather roller and the front roller are Pa, Pb and Pc respectively, and the holding points of them with the middle leather roller and the middle roller are Qa, Qb and Qc respectively; three silvers are converged at the front leather roller and the front roller with a holding point R; the device is capable of drafting the fed red colored roving A, yellow colored roving B and blue colored roving C and the silvers at different draft ratios respectively, and the three drafted silvers are converged in the point R and then twisted and mixed to form a colorful yarn.
  • control-drive system includes drivers 3-5 controlled by a frequency transducer, and the three drivers control rotating speeds of the first ring, the second ring and the third ring respectively, and keep constant sum of weights of three colored rovings input by the rear roller per unit time.
  • the single-color mode is: color A, color B or color C;
  • the two-color mixing mode is color A-B mixing, color B-C mixing or color A-C mixing;
  • the three-color mixing mode is color A-B-C mixing.
  • the following mixed colors can be formed through color matching with a progressive increase of 10% of the color mixing ratios as the minimum increment: Table 1 Color Matching Solutions Color A mixing ratio K1 Color B mixing ratio K2 Color C mixing ratio K3 Color Number Single color Color A 1 0 0 1 Color B 0 0 1 2 Color C 0 1 0 3 Two-color mixing AB 0.1 0.9 0 4 0.2 0.8 0 5 0.3 0.7 0 6 0.4 0.6 0 7 0.5 0.5 0 8 0.6 0.4 0 9 0.7 0.3 0 10 0.8 0.2 0 11 0.9 0.1 0 12 BC 0 0.9 0.1 13 0 0.8 0.2 14 0 0.7 0.3 15 0 0.6 0.4 16 0 0.5 0.5 17 0 0.4 0.6 18 0 0.3 0.7 19 0 0.2 0.8 20 0 0.1 0.9 21 AC 0.9 0 0.1 22 0.8 0 0.2 23 0.7 0 0.3 24 0.6 0 0.4 25 0.5
  • the present invention patent selects 0.1 as a gradient for gradient color mixing and matching; according to above statistics, 66 matched colors can be finally formed by means of coupling drafting, alternating color changing, gradient color matching and twisting mixing of the three-primary color rovings (three-color rovings), i.e., a segmental colorful yarn having the distribution of 66 colors can be formed; more importantly, on the same segmental colorful yarn, color matching can be changed continuously according to requirements.
  • color changes for forming the patterns on different yarns may be extracted through computerized typesetting and set in advance, and then the set patterns are naturally formed by different segmental colorful yarns after weaving.
  • a coloration effect of fibers of the three primary colors evenly mixed in a certain ratio belongs to spatial color mixing in physical color mixing.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP14838140.3A 2013-08-22 2014-08-04 Vorrichtung und verfahren zum vermischen und farbmischen auf der basis eines dreifachvorgarnkopplungs-, streck und verdrillsystems und durch das verfahren hergestelltes buntes garn Withdrawn EP3048192A4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201310369692.2A CN103556320B (zh) 2013-07-18 2013-08-22 基于三粗纱耦合牵伸加捻系统实现混纺及混色的装置及方法
CN201410176434.7A CN103924341B (zh) 2014-04-29 2014-04-29 三元色粗纱混配生产幻彩纱的方法及该方法制备的幻彩纱
PCT/CN2014/000746 WO2015024356A1 (zh) 2013-08-22 2014-08-04 基于三粗纱耦合牵伸加捻系统实现混纺及混色的装置、方法及该方法制备的幻彩纱

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Publication Number Publication Date
EP3048192A1 true EP3048192A1 (de) 2016-07-27
EP3048192A4 EP3048192A4 (de) 2017-04-12

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EP14838140.3A Withdrawn EP3048192A4 (de) 2013-08-22 2014-08-04 Vorrichtung und verfahren zum vermischen und farbmischen auf der basis eines dreifachvorgarnkopplungs-, streck und verdrillsystems und durch das verfahren hergestelltes buntes garn

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EP (1) EP3048192A4 (de)
JP (1) JP2016535177A (de)
CN (1) CN103924341B (de)
WO (1) WO2015024356A1 (de)

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CN103924341A (zh) 2014-07-16
EP3048192A4 (de) 2017-04-12

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