EP1268897B1 - Plaque couvre-bobine pour retordeuse - Google Patents

Plaque couvre-bobine pour retordeuse Download PDF

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Publication number
EP1268897B1
EP1268897B1 EP01922076A EP01922076A EP1268897B1 EP 1268897 B1 EP1268897 B1 EP 1268897B1 EP 01922076 A EP01922076 A EP 01922076A EP 01922076 A EP01922076 A EP 01922076A EP 1268897 B1 EP1268897 B1 EP 1268897B1
Authority
EP
European Patent Office
Prior art keywords
yarn
cover plate
bobbin
bobbin cover
guide
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.)
Expired - Lifetime
Application number
EP01922076A
Other languages
German (de)
English (en)
Other versions
EP1268897A4 (fr
EP1268897A1 (fr
Inventor
Han Yong Park
Dong Pyo 502-1207 Samjubonghwang-town WOO
Jong Chul Shin
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.)
Kolon Industries Inc
Original Assignee
Kolon Industries Inc
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 Kolon Industries Inc filed Critical Kolon Industries Inc
Publication of EP1268897A1 publication Critical patent/EP1268897A1/fr
Publication of EP1268897A4 publication Critical patent/EP1268897A4/fr
Application granted granted Critical
Publication of EP1268897B1 publication Critical patent/EP1268897B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H7/00—Spinning or twisting arrangements
    • D01H7/02—Spinning or twisting arrangements for imparting permanent twist
    • D01H7/86—Multiple-twist arrangements, e.g. two-for-one twisting devices ; Threading of yarn; Devices in hollow spindles for imparting false twist
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H7/00—Spinning or twisting arrangements
    • D01H7/02—Spinning or twisting arrangements for imparting permanent twist
    • D01H7/04—Spindles
    • D01H7/16—Arrangements for coupling bobbins or like to spindles
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/14—Details
    • D01H1/16—Framework; Casings; Coverings ; Removal of heat; Means for generating overpressure of air against infiltration of dust; Ducts for electric cables
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/04—Guides for slivers, rovings, or yarns; Smoothing dies
    • 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
    • D02G3/26—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre with characteristics dependent on the amount or direction of twist
    • D02G3/28—Doubled, plied, or cabled threads
    • D02G3/285—Doubled, plied, or cabled threads one yarn running over the feeding spool of another yarn

Definitions

  • the present invention is related to a bobbin cover plate used in twister. More particularly, the present invention is related to a bobbin cover plate used in twister, wherein twisting 2 strings of polyester yarns together used for rubber reinforcing tire cord, for solving several problems caused by unwinding inferiority of yarn feeding bobbin(B) and improving ratio of full drum.
  • the tire cord for rubber reinforcement is weaved with 2 strings of equally twisted yarn of high modules low shrinkage polyester as its warp and covering yarn of high modules low shrinkage polyester covered by cotton yarn as its weft. Saurer Twister of Allma Co. has been primarily used for the preparation of the said warp of tire cord.
  • the 1 string of polyester yarn fed from the bobbin (B) standing upright reaches to cord regulator (4) passing through inner yarn tensioner (3) by guide roller (2).
  • the yarn is frequently squeezed and chewed between guide roller(hereinafter called “chewing phenomenon"), or winded around inner yarn tensioner (3).
  • the twister stops automatically since higher tension ( ⁇ 10%) comparing to the setting value is loaded to the self adjusting sensor. Accordingly, the ratio of full drum of the former twister is in low level at 90 ⁇ 92% in general.
  • DE 37 43 464 A1 discloses a holding device for an upright yarn feeding bobbin used in a twister.
  • This device comprises a housing for accommodating the yarn feeding bobbin and a cover plate for closing an upper opening of this housing.
  • This cover plate is provided with a yarn guide hole or groove arranged in the center of the cover plate so that the center of the yarn guide hole is aligned with the rotational axis of the yarn feeding bobbin.
  • a similar bobbin holder with a cover plate having a central yarn guide groove or hole is known from DE 199 24 806 C1.
  • the yarn is supplied from the yarn feeding bobbin through the yarn guide groove directly to tensioning means.
  • DE 94 11 246 U1 discloses another holding or supporting device for a yarn feeding bobbin for use in a twister that comprises a first ball like tensioning means to which the yarn is directly fed from the circumference of the yarn feeding bobbin without use of any yarn guiding means arranged there between.
  • US 2,958.177 shows a twister or cord forming machine having a hood with a cover plate for accommodating a yarn feeding bobbin or thread package.
  • the cover plate is suitably apertured so that a yarn from the yarn or thread feeding bobbin can be passed there through to tensioning rollers. If desired this hood may support the tensioning rollers.
  • the object of the present invention is to provide a bobbin cover plate which can resolve the above problems caused by unwinding inferiority during the process of high speed unwinding of yarn from a yarn feeding bobbin.
  • the present invention is to provide a bobbin cover plate(1) which can resolve the problems caused by unwinding inferiority during the process of high speed unwinding of yarn from yarn feeding bobbin(B).
  • bobbin cover plate(1) used in twister is installed in right upward angle to the yarn feeding bobbin(B) as shown in Figure 2. From this installation, it is possible to prevent the chewing phenomenon, or winded around inner yarn tensioner(3) by precluding the yarn over-feeding even in a high speed twisting.
  • the bobbin cover plate used in twister of the present invention is round circular plate as shown in Figure 3.
  • the favorable diameter of the circular bobbin cover plate (1) is 85 ⁇ 95% of the diameter of yarn feeding bobbin (B) in full-drum condition. If the diameter of the bobbin cover plate (1) is too large, the operation shall be inconvenient. If it is too small, it is not possible to effectively protect the jumping phenomenon and chewing phenomenon caused by unwinding inferiority.
  • a yarn guide groove (1a) which guides the yarn in yarn feeding bobbin (B) to upper direction of bobbin cover plate(1) is installed in the center part of the circular plate.
  • ceramic protection is prepared in order to prevent any fine hairs in the yarn.
  • a yarn guide supporter (1b) having punched yarn guide(1c) which feed the yarn in the center of guide roller (2) is installed in lower part of the circular plate which is located at right front position of guide roller(2) during operation.
  • the said yarn guide supporter (1b) shaped ⁇ as shown in Figure 3.
  • the angle of ⁇ in Figure 3 is 50 ⁇ 70°. More preferably, the angle of ⁇ is 60°.
  • the yarn guide supporter (1b) may have ⁇ shape.
  • the yarn fed from yarn feeding bobbin (B) may not be fed precisely to the exact center of guide roller (2).
  • the height(center basis) of yarn guide (1c) installed in the yarn guide supporter (1b) should be set up as same as that of guide roller (2). If the height of yarn guide (1c) is set up wrong, fine hairs may come into exist due to the touch of yarn with the rim of yarn guide (1c).
  • a fixed part (1d) which can fix the bobbin cover plate(1) to the body of guide roller (2) is installed in upper side of the circular plate. By bolting the hole of said fixed part (1d), fix the bobbin cover plate(1) to the lower part of guide roller body.
  • plastic such as acryl may be used, considering impact strength, in particular, polycarbonate is favorable, and anti-static treated polycarbonate is more favorable. Additionally, it is more favorable to prepare bobbin cover plate (1) with transparent plastic resin that the operation status of yarn could be observed during twisting process. It is more favorable to treat the rim of the circular plate roundly for the prevention of any damage (fine hairs etc.) to yarn.
  • the bobbin cover plate (1) of the present invention is fixed at the lower part of guide roller (2) so as to the bobbin cover plate locates at the right upward angle to yarn feeding bobbin (B).
  • the yarn fed from yarn feeding bobbin (B) standing upright comes up to the upper part of bobbin cover plate (1) through yarn guide groove (1a) of the present invention, and is feed to the center part of guide roller (2) through the hole of yarn guide (1c) installed in yarn guide supporter (1b).
  • the said guide roller (2) guide yarn before the yarn comes up to inner yarn tensioner (3), and provides certain tension with yarn.
  • the said inner yarn tensioner (3) substantially provides yarn come up from yarn feeding bobbin (B) with tension before it reaches to cord regulator (4).
  • cord regulator (4) 2 strings of yarn fed to cord regulator (4) respectively are twisted together in cord regulator.
  • the cord regulator (4) aggregate and twist the fed 2 strings of yarn by its self-rotation movement.
  • the circular shaped bobbin cover plate (1) of the present invention protects the over-feeding of yarn from yarn feeding bobbin (B) to guide roller (2) and jumping phenomenon of yarn caused by unwinding inferiority. As a result, it is possible to prevent chewing phenomenon of yarn in guide roller (2) and unequal tanglement of yarn in inner yarn tensioner (3).
  • the ratio of full drum of the twister shall be improved over than 99% since the jumping phenomenon and chewing phenomenon caused by unwinding inferiority of yarn feeding bobbin (B) could be prevented.
  • Twist 2 strings of 1,500 denier polyester yarn at 9,000rpm of twisting speed and 1,340g/d of twisting tension with Saurer Twister of Allma Co. (see Figure 2) wherein the bobbin cover plate (1) of the present invention is installed at right upward angle to yarn feeding bobbin (B) as shown in Figure 3.
  • the said bobbin cover plate (1) is made of acryl resin and the diameter is 200mm. Also, the ⁇ angle of yarn guide supporter (1b) is 65°, and the diameter of yarn guide groove (1a) is 10mm.
  • the turn number of yarn in inner yarn tensioner (3) is set up at 5 times. Table 2 is the experiment result on ratio of full drum, LD value and waste ratio.
  • the present invention prevents the over-feeding and jumping phenomenon of yarn caused by unwinding inferiority of yarn feeding bobbin (B). As a result, it is possible to improve the twister's ratio of full drum over than 99% since the chewing phenomenon or rolling phenomenon is remarkably decreased even the rotation speed of twister is elevated. In addition, the productivity is improved since the rotation speed of twister could be elevated until 10,000rpm.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)
  • Replacement Of Web Rolls (AREA)
  • Packaging Of Machine Parts And Wound Products (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
  • Harvester Elements (AREA)

Claims (8)

  1. Plaque couvre-bobine (1) circulaire destinée à être utilisée dans une retordeuse, comportant une rainure guide-fil (1a) installée dans sa partie centrale, la rainure guide-fil (1a) guidant le fil d'une bobine d'alimentation en fil (B) vers un côté supérieur de la plaque couvre-bobine (1), caractérisée en ce qu'elle comprend :
    un support de guide-fil (1b) comportant un guide-fil perforé (1c) qui guide le fil vers le centre des rouleaux de guidage (2), le support de guide-fil (1b) étant installé sur la plaque circulaire et disposé devant les rouleaux de guidage (2) pendant le fonctionnement ; et
    un élément fixe (1d) qui peut fixer la plaque couvre-bobine (1) à un corps des rouleaux de guidage (2), l'élément fixe (1d) étant installé sur le côté supérieur de la plaque circulaire à un emplacement différent de celui du support de guide-fil (1b).
  2. Plaque couvre-bobine (1) selon la revendication 1, dans laquelle le support de guide-fil (1b) est en forme de ∠.
  3. Plaque couvre-bobine (1) selon la revendication 1, dans laquelle le diamètre de la plaque couvre-bobine (1) circulaire représente 85 à 95 % du diamètre de la bobine d'alimentation en fil (B) dans un état de bobine pleine.
  4. Plaque couvre-bobine (1) selon la revendication 2, dans laquelle l'angle  du support de guide-fil (1b) en forme de ∠ va d'environ 50 à 70°.
  5. Plaque couvre-bobine (1) selon la revendication 1, dans laquelle une distance (hauteur) entre le centre du guide-fil (1c) et la base du support de guide-fil (1b) est égale à celle du rouleau de guidage (2).
  6. Plaque couvre-bobine (1) selon la revendication 1, dans laquelle la plaque couvre-bobine (1) est réalisée dans une résine de polycarbonate ayant fait l'objet d'un traitement antistatique.
  7. Plaque couvre-bobine (1) selon la revendication 1, dans laquelle le bord extérieur de la plaque couvre-bobine (1) fait l'objet d'un traitement d'arrondissement.
  8. Plaque couvre-bobine (1) selon la revendication 1, dans laquelle la rainure guide-fil (1a) est réalisée en céramique.
EP01922076A 2000-03-25 2001-03-23 Plaque couvre-bobine pour retordeuse Expired - Lifetime EP1268897B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020000015251A KR100614620B1 (ko) 2000-03-25 2000-03-25 연사기용 보빈커버플레이트
KR2000015251 2000-03-25
PCT/KR2001/000466 WO2001073175A1 (fr) 2000-03-25 2001-03-23 Plaque couvre-bobine pour retordeuse

Publications (3)

Publication Number Publication Date
EP1268897A1 EP1268897A1 (fr) 2003-01-02
EP1268897A4 EP1268897A4 (fr) 2003-05-02
EP1268897B1 true EP1268897B1 (fr) 2005-06-29

Family

ID=36120926

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01922076A Expired - Lifetime EP1268897B1 (fr) 2000-03-25 2001-03-23 Plaque couvre-bobine pour retordeuse

Country Status (5)

Country Link
EP (1) EP1268897B1 (fr)
KR (1) KR100614620B1 (fr)
AT (1) ATE298811T1 (fr)
DE (1) DE60111730T2 (fr)
WO (1) WO2001073175A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102560768A (zh) * 2011-12-02 2012-07-11 常熟市浩通市政工程有限公司 纺织机械导纱器
CN103696061A (zh) * 2013-12-24 2014-04-02 吴江市恒艺丝绸整理厂 一种导纱器
CN104499140A (zh) * 2014-12-09 2015-04-08 四川中升博能生物科技股份有限公司 一种电热网用包绕线的绕线装置及工艺
CN106435878A (zh) * 2016-10-31 2017-02-22 侯马市雅峰纺织制衣有限公司 导纱控制装置
CN106521732B (zh) * 2016-12-30 2019-04-09 宜昌经纬纺机有限公司 匀捻器
KR101947322B1 (ko) 2017-11-14 2019-02-12 김일열 해사 장력 균일화를 위한 연사기용 원통

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2958177A (en) * 1957-04-23 1960-11-01 American Enka Corp Cordforming
NL2206485A (fr) * 1971-03-12
DE3015044A1 (de) * 1980-04-18 1981-10-29 HAMEL GmbH Zwirnmaschinen, 4400 Münster Doppeldrahtzwirneinrichtung
DE3101146A1 (de) * 1981-01-16 1982-08-26 Fritz 7347 Bad Überkingen Stahlecker "spinnaggregat fuer eine umwindegarnspinnmaschine"
KR870002305A (ko) * 1985-08-16 1987-03-30 김규학 탄성신축사의 제조장치
DE3743464A1 (de) * 1987-12-22 1989-07-13 Saurer Allma Gmbh Vorrichtung zur herstellung von zwirnen, insbesondere reifencord
KR930001310Y1 (ko) * 1991-06-27 1993-03-22 박욱현 연사기의 보빈구동축 지지구
KR950001199U (ko) * 1993-06-09 1995-01-04 이중열 점보보빈결합장치
DE4414040A1 (de) * 1994-04-22 1995-10-26 Zinser Textilmaschinen Gmbh Fadenwicklung
DE9411246U1 (de) * 1994-07-12 1995-11-16 Saurer-Allma Gmbh, 87437 Kempten Vorrichtung zur Stromversorgung einer elektrisch steuerbaren Fadenbremse o.dgl. an einer Kablier- oder Doppeldrahtzwirnspindel
JP2818770B2 (ja) * 1994-08-11 1998-10-30 雅男 山下 飾り糸の撚り加工方法及び装置
DE19924806C1 (de) * 1999-05-29 2000-06-21 Saurer Allma Gmbh Spulentopf für Kabliermaschinen

Also Published As

Publication number Publication date
EP1268897A4 (fr) 2003-05-02
DE60111730T2 (de) 2006-04-20
WO2001073175A1 (fr) 2001-10-04
KR20010090357A (ko) 2001-10-18
EP1268897A1 (fr) 2003-01-02
DE60111730D1 (de) 2005-08-04
KR100614620B1 (ko) 2006-08-21
ATE298811T1 (de) 2005-07-15

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