WO2012139178A2 - Procédé et dispositif permettant d'obtenir un fil à partir de fibres courtes dans un procédé de peignage, d'étirage et de tordage - Google Patents

Procédé et dispositif permettant d'obtenir un fil à partir de fibres courtes dans un procédé de peignage, d'étirage et de tordage Download PDF

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Publication number
WO2012139178A2
WO2012139178A2 PCT/BG2012/000011 BG2012000011W WO2012139178A2 WO 2012139178 A2 WO2012139178 A2 WO 2012139178A2 BG 2012000011 W BG2012000011 W BG 2012000011W WO 2012139178 A2 WO2012139178 A2 WO 2012139178A2
Authority
WO
WIPO (PCT)
Prior art keywords
roller
drafting
fibers
combing
twisting
Prior art date
Application number
PCT/BG2012/000011
Other languages
English (en)
Other versions
WO2012139178A3 (fr
Inventor
Dinko BAHOV
Atanas BAHOV
Dobromir BAHOV
Original Assignee
D-A-Dinko Bahov Et
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by D-A-Dinko Bahov Et filed Critical D-A-Dinko Bahov Et
Publication of WO2012139178A2 publication Critical patent/WO2012139178A2/fr
Publication of WO2012139178A3 publication Critical patent/WO2012139178A3/fr

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/02—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques imparting twist by a fluid, e.g. air vortex
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G19/00—Combing machines
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G19/00—Combing machines
    • D01G19/06—Details
    • D01G19/10—Construction, mounting, or operating features of combing elements
    • D01G19/105—Combing cylinders
    • 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
    • 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
    • D01H5/70—Constructional features of drafting elements
    • D01H5/74—Rollers or roller bearings

Definitions

  • the invention refers to method and device for obtaining yarn from staple fibers in one process of combing, drafting and twisting, which finds application in textile industry and especially in spinning.
  • Disadvantage of the method consists in the fact, that the integrity of the fiber band is violated.
  • Another disadvantage of the method consists in this, that during the passing of fibers from the separating roller to the perforated roller, the parallelism of the fibers is violated.
  • Another disadvantage of the method consists in this, that it cannot achieve combing of the fibers and preserve them in this state.
  • Another disadvantage of the method consists in this, that it cannot ensure sufficient control of the movement of the fibers in the process of drafting.
  • Task of the invention is to create a method for obtaining of yarn from staple fibers in one process of combing, drafting and twisting, where the front ends of fibers are combed first and then the back ends and simultaneously with this a high drafting of the fiber band is accomplished and further twisting of the core and after that of the wrapping fibers, where yarn with uniform structure is obtained with high spinning speed of over 300 m/min.
  • the task is solved with method for obtaining of yarn from staple fibers in one process of combing drafting and twisting, where the fiber band after being delivered from a feeding roller and a feeding table is combed by porcupine roller and is pulled by outlet couple of rollers and is twisted by a twisting element.
  • the front ends of the fed fibers are combed first and after that the back ends as simultaneously with this a drafting with high ratio is accomplished, after which the obtained fiber band is twisted, first the core and then the wrapping fibers, during which yarn with uniform structure is formed with high spinning speed in one process.
  • the combing of the front and back ends of the fibers is done continuously and can be regulated according to the type of the fibers.
  • the drafting of the fiber band is continuous and is accomplished in one zone of two stages, and is high in value and can be regulated.
  • the twisting of the fiber band is continuous and is accomplished in two zones as in the first one the core fibers are twisted and later the wrapping fibers, which is accomplished by two independent twisting processes, which can also be different by type and have the ability of regulation.
  • the device for accomplishing of the method consists of feeding roller and feeding table, placed near a porcupine roller and having a mounted drafting couple after which a twisting chamber is placed.
  • the feeding table is formed of a feeding arc under feeding roller and two main arc like surfaces which cover part of a surface of combing roller, with mounted on it needle gasket, perforated and placed near couple of drafting rollers as the lower drafting roller is perforated and close after the line of pressing of the rollers a limiter of the spinning twisting triangle is placed, and on distance from it a sucking-twisting element is mounted, after which a main twisting element is placed, and after it also a couple of drafting rollers.
  • the main arcs of the feeding table are eccentrically formed towards the center of the porcupine roller with lightly decreasing centering in direction of movement of the fibers from the first to the second arc.
  • the porcupine combing roller is formed hollow and the needle gasket is from the known profiles and represents separate needle rings mounted on the surface of the roller as in the space between them radial openings are formed.
  • a diaphragm is mounted for regulation of the vacuum, which is created in the roller.
  • the feeding roller is pressed to the feeding table under the effect of a spring /not shown on the drawing/.
  • the lower drafting roller is formed hollow and in its interior a diaphragm is mounted for regulation of the vacuum created in the roller.
  • the upper drafting roller is strongly pressed to the lower one under the effect of a spring/not shown on the drawing, and that pressing can be regulated.
  • the limiter of the twisting triangle has a transverse slot for determining of the size of the spinning triangle of the core of the yarn.
  • the sucking-twisting element is formed as a rotating blade of a fan, which has a small central cylindrical opening, which is cut by radial openings through the whole frontal part and is rotated by belt.
  • the main twisting element can be air jet nozzle or mini spindle with excess high revs and the feeding table along with the upper drafting cylinder are place on one and the same carrying lever rotating around the axis of the table, for lifting during attendance.
  • the gasket of the combing roller is cleaned from the short fibers and other impurities by a fast spinning brush and vacuum, and a vacuum tube sucks the separated impurities in the second zone of combing and drafting.
  • the advantages of the suggested method for obtaining of yarn from staple fibers in one process of combing, drafting and twisting, according to the invention consist in this, that the process is continuous and very short, does not violate the integrity of the band, and the fed fibers are subjected to combing, first their front ends and after that their back ends as simultaneously with this a drafting with high ratio is accomplished, after which the obtained fiber band is twisted, first the core fibers and after that the wrapping fibers, during which yarn with uniform structure is formed with high spinning speed of over 300 m/min.
  • the advantage of the device is that it is not constructively complicated and is easy for attendance as the feeding table is formed by a feeding arc under the feeding roller and two main arc like surfaces, which cover part of the surface of the combing porcupine roller, which is perforated and ends near a couple of drafting rollers, as the lower roller is perforated and close on distance after the line of pressing of the rollers a limiter is placed of the spinning twisting triangle, and on distance after it a sucking-twisting element is mounted, after which the main twisting element is placed, and after it also a couple of drafting rollers.
  • Another advantage of the device is that it can be easily centered according to the type of the fibers.
  • figure 1 is a principle scheme of the method
  • FIG. 4 a, b, c - types of needle gaskets
  • figure 6 frontal view of the limiter of the spinning triangle
  • figure 8 - view from above of the lower drafting cylinder and the limiter of the spinning triangle; figure 9 - view from above of the lower drafting cylinder and the back form of the diaphragm for vacuum.
  • the fiber band 24 is delivered by feeding roller 7 and feeding table 6, in such a way that the fed fibers 1 are subjected to continuous combing, first their front ends in zone ⁇ and after that their back ends in zone ⁇ as simultaneously with this a continuous drafting with high ratio is accomplished, after which the obtained fiber band 2 is twisted, first the core fibers 3 and after that the wrapping fibers 4, during which yarn 5 with uniform structure is formed with high spinning speed in one continuous process, as the uniformity of the drafted fiber band 2 is measured and respectively the speed of the fed fibers 1 or the speed of the formed yarn 5 is changed.
  • the device for obtaining of yarn from staple fibers in one process of combing drafting and twisting consists of feeding table 6 formed by feeding arc a under the feeding roller 7 and two main arc like surfaces ⁇ and ⁇ , which cover part of the surface of the combing porcupine roller 8, which is perforated and ends near a couple of drafting rollers 9 and 10, as the lower roller 9 is perforated, and close on distance m after the line of pressing of the rollers S-S a limiter 11 of the spinning twisting triangle L is placed, and on distance n after it a sucking-twisting element 12 is mounted, after which the main twisting element 13 is placed, and after it also couple of drafting rollers 14 and 15.
  • the main arcs ⁇ and ⁇ of the feeding table 6 are eccentrically formed towards the center O of the porcupine roller 8 with lightly decreasing centering in direction of movement of the fibers from a-b in the first zone ⁇ to b-c in the second zone ⁇ of combing.
  • the porcupine combing roller 8 is with diameter D and is formed hollow, and the needle gasket 16 is from the known profiles 4a, 4b, 4c and represents separate needle rings 17 mounted on the surface of the roller 8, as in the space between them are formed radial openings 19.
  • a diaphragm 20 is mounted for regulation by means of angle ⁇ , of the vacuum, which is created in the roller 8.
  • the feeding roller 7 is pressed N 1 to the feeding table 6 under the effect of a spring /not shown on the drawing/, and on the surface of the roller are formed helical lugged grooves.
  • the lower drafting roller 9 is formed hollow, and in its interior a diaphragm 18 is mounted for regulation by means of angle ⁇ of the vacuum created in the roller.
  • the upper drafting roller 10 is pressed N 2 strongly to the lower one 9 under the effect of a spring /not shown on the drawing/, and that pressing can be regulated.
  • the limiter 11 of the twisting spinning triangle L has a transverse opening 28, and after it the opening 29 for control of the wrapping fibers 4, which is widened at most horizontally and after that is narrowed vertically and is placed in carrying corpus 27.
  • the sucking-twisting element 12 is formed as a rotating blade of a fan, has a small central cylindrical opening 23, which is cut by radial grooves 30 through the whole frontal part and is rotated by belt 22 or in other way and is placed in carrying corpus 27.
  • the transition from the arc a under the feeding roller 7 and the transition in the end of the feeding table 6 are formed lightly with roundness r.
  • the main twisting element 13 is air jet nozzle or mini spindle with excess high revs placed in carrying corpus 27.
  • the feeding table 6 along with the upper drafting cylinder 10 are placed on carrying lever 21, which rotates around the joint axis C, for lifting during attendance.
  • the garnish 16 of the combing roller 8 is cleaned of the short fibers 31 and other impurities by the fast rotating brush and vacuum 26, and the vacuum tube 25 sucks the separated impurities in the second zone ⁇ of combing and drafting.
  • a control gauge 33 is placed for measuring the uniformity of the fiber band 2, connected electrically with a device for changing the speed of the drafting couple of rollers 14 and 15 or the speed of the feeding roller 7.
  • a contactless gauge 32 is placed for control of the availability of spun yarn 5, which is electrically connected with the connector for stopping of the movement of the feeding roller 7.
  • the device for obtaining of yarn from staple fibers in one process of combing drafting and twisting acts in the following way.
  • the combing of the front ends of the fibers 1 is done by the needle gasket 16 and the roller 8, in result of the higher speed of than the one of roller 7.
  • the shortest fibers 1 under the effect of the grinding forces of the needle gasket 16 and the vacuum in roller 8 get into the base of the surface of the roller 8, and the long fibers 1 strongly pressed and continuously fed by the roller 7 are, are combed by the needle gasket 16.
  • the force of grinding between the fibers themselves and the one with the needle gasket 16 and the force of the vacuum of the roller 8 increases enough, the fibers 1 are drafted.
  • the fibers with the combed front ends remain in the needle gasket 16 pressed by decreasing centering with the feeding table 6, and are moving with the speed of the roller 8.
  • the vacuum of the roller 8 approaches the lower drafting cylinder 9, it is stopped by the diaphragm 20 and the vacuum of the roller 9 begins to act limited by the diaphragm 18.
  • the going out of zone ⁇ fibers of the feeding table 6 under influence of the vacuum of the roller 9 and its higher speed are transferred on the surface of the roller 9 and are pressed strongly by the upper roller 10 in the form of a fiber band 2.
  • the formed in this way fiber band 2 begins to be drafted by the couple of rollers 9 and 10 with higher speed than the one of the roller 8 with which begins combing of their back ends.
  • the combing of the front and the back ends of the fibers is done continuously and the process can be regulated according to the type of the fibers.
  • This way also the drafting of the fibers is done also continuously, and its value is high and it can be regulated.
  • the twisting of the drafted fiber band 2 is continuous as first the core fibers 13 are twisted by the main twisting element 13, and this is done on distance m from the line of pressing S-S of the rollers 9 and 10 which is defined by the frontal opening 28 of the limiter 1 1 of the twisting spinning triangle L.
  • the wrapping fibers 4 remain pressed by the vacuum on the roller 9.
  • the movement of the fibers 4 on the roller 8 is controlled by the form of the back part of the diaphragm.
  • the vacuum of the roller 9 stops acting and the fibers 4 are sucked strongly by the sucking-twisting element 12 and are wrapped around the core fibers 3 in result of the vacuum created by the rotation of the element 12 and the radial openings 30.
  • the control gauge 33 for measuring the uniformity of the drafted band 2, during changing of the uniformity signals for change in the speed of the drafting couple of rollers 14 and 15 or the speed of the feeding roller 7.
  • a contactless gauge (32) for control of the availability of the yarn.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Abstract

L'invention concerne un procédé et un dispositif permettant d'obtenir un fil à partir de fibres courtes. Dans le procédé, la bande de fibres introduite composée de fibres courtes (1) est peignée, un étirage à fort coefficient est accompli simultanément, puis la bande de fibres obtenue (2) est tordue. Pendant ce temps, un fil (5) est formé de manière à présenter une structure uniforme dans un procédé continu, l'uniformité de la bande de fibres étirée (2) étant mesurée et la vitesse du fil formé (5) étant respectivement modifiée. Le dispositif est composé d'un rouleau d'introduction et d'une table d'introduction, la table d'introduction (6) étant formée d'un arc d'introduction (a) sous un rouleau d'introduction (7) et de deux surfaces principales en forme d'arc (β) et (γ), qui recouvrent une partie de la surface du rouleau de peignage de type porc-épic (8), qui est perforé et qui se termine à proximité de deux rouleaux d'étirage (9) et (10).
PCT/BG2012/000011 2011-04-14 2012-04-12 Procédé et dispositif permettant d'obtenir un fil à partir de fibres courtes dans un procédé de peignage, d'étirage et de tordage WO2012139178A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BG10110913A BG110913A (bg) 2011-04-14 2011-04-14 Метод и устройство за получаване на прежда от щапелни влакна в един процес на изресване, изтегляне и усукване
BG110913 2011-04-14

Publications (2)

Publication Number Publication Date
WO2012139178A2 true WO2012139178A2 (fr) 2012-10-18
WO2012139178A3 WO2012139178A3 (fr) 2013-01-31

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PCT/BG2012/000011 WO2012139178A2 (fr) 2011-04-14 2012-04-12 Procédé et dispositif permettant d'obtenir un fil à partir de fibres courtes dans un procédé de peignage, d'étirage et de tordage

Country Status (2)

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BG (1) BG110913A (fr)
WO (1) WO2012139178A2 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015100477A1 (fr) * 2014-01-06 2015-07-09 Bahov Dinko Atanasov Procédé et appareil de filature de fil de fibres courtes
WO2015131252A1 (fr) * 2014-03-05 2015-09-11 Bahov Dinko Atanasov Procédé et appareil de filage d'un fil à partir de fibres discontinues
WO2015139096A1 (fr) * 2014-03-20 2015-09-24 Bahov Dinko Atanasov Procédé et appareil de filature de fil de fibres courtes
WO2016000047A3 (fr) * 2014-07-01 2016-03-17 Bahov Dinko Atanasov Procédé et appareil de peignage et d'étirage de fibres discontinues
WO2016044900A1 (fr) * 2014-09-24 2016-03-31 Bahov Dinko Atanasov Procédé et appareil de filature de fil de fibres discontinues
WO2017075675A1 (fr) * 2015-11-06 2017-05-11 Bahova Olga Kirilova Procédé et appareil pour la production de fil de fibres coupées dans un processus unique

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4387487A (en) * 1979-10-16 1983-06-14 Murata Kikai Kabushiki Kaisha High draft apparatus in spinning machine
SU1636487A1 (ru) * 1985-05-07 1991-03-23 Нпк "Текстилно Машиностроене" (Инопредприятие) Пневматический крутильный орган устройства дл получени пр жи из штапельных волокон
US20040025487A1 (en) * 2000-04-14 2004-02-12 Peter Anderegg Method and device for producing a yarn with ring-spun characteristics

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4387487A (en) * 1979-10-16 1983-06-14 Murata Kikai Kabushiki Kaisha High draft apparatus in spinning machine
SU1636487A1 (ru) * 1985-05-07 1991-03-23 Нпк "Текстилно Машиностроене" (Инопредприятие) Пневматический крутильный орган устройства дл получени пр жи из штапельных волокон
US20040025487A1 (en) * 2000-04-14 2004-02-12 Peter Anderegg Method and device for producing a yarn with ring-spun characteristics

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015100477A1 (fr) * 2014-01-06 2015-07-09 Bahov Dinko Atanasov Procédé et appareil de filature de fil de fibres courtes
WO2015131252A1 (fr) * 2014-03-05 2015-09-11 Bahov Dinko Atanasov Procédé et appareil de filage d'un fil à partir de fibres discontinues
WO2015139096A1 (fr) * 2014-03-20 2015-09-24 Bahov Dinko Atanasov Procédé et appareil de filature de fil de fibres courtes
WO2016000047A3 (fr) * 2014-07-01 2016-03-17 Bahov Dinko Atanasov Procédé et appareil de peignage et d'étirage de fibres discontinues
WO2016044900A1 (fr) * 2014-09-24 2016-03-31 Bahov Dinko Atanasov Procédé et appareil de filature de fil de fibres discontinues
WO2017075675A1 (fr) * 2015-11-06 2017-05-11 Bahova Olga Kirilova Procédé et appareil pour la production de fil de fibres coupées dans un processus unique

Also Published As

Publication number Publication date
BG110913A (bg) 2012-10-31
WO2012139178A3 (fr) 2013-01-31

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