EP2157222A1 - Tige de tressage; tresseuse et procédé de détente d'un fil de fibre de la bobine d'une tige de tressage - Google Patents

Tige de tressage; tresseuse et procédé de détente d'un fil de fibre de la bobine d'une tige de tressage Download PDF

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Publication number
EP2157222A1
EP2157222A1 EP09161997A EP09161997A EP2157222A1 EP 2157222 A1 EP2157222 A1 EP 2157222A1 EP 09161997 A EP09161997 A EP 09161997A EP 09161997 A EP09161997 A EP 09161997A EP 2157222 A1 EP2157222 A1 EP 2157222A1
Authority
EP
European Patent Office
Prior art keywords
braiding
bobbin
shaft
coil
spool
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09161997A
Other languages
German (de)
English (en)
Other versions
EP2157222B1 (fr
Inventor
Thomas Bäumer
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.)
BAEUMER, THOMAS
Original Assignee
Enrichment Technology Co Ltd
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 Enrichment Technology Co Ltd filed Critical Enrichment Technology Co Ltd
Publication of EP2157222A1 publication Critical patent/EP2157222A1/fr
Application granted granted Critical
Publication of EP2157222B1 publication Critical patent/EP2157222B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
    • D04C3/00—Braiding or lacing machines
    • D04C3/02—Braiding or lacing machines with spool carriers guided by track plates or by bobbin heads exclusively
    • D04C3/14—Spool carriers
    • D04C3/16—Spool carriers for horizontal spools

Definitions

  • this object is achieved by a braided bobbin having the features of independent claim 1.
  • Advantageous developments of the braiding bobbin result from the dependent claims 2-6.
  • the object is further achieved by a braiding machine according to the features of claim 7, and claim 8 specifies a method for the withdrawal of a thread from a braiding bobbin according to the invention.
  • the braiding bobbin according to the invention has a spool, from which a fiber thread can be pulled off by a thread guide.
  • This coil is rotatably mounted on a shaft, wherein the shaft and the coil are connected to each other via at least one torsion spring.
  • the spool is rotatable against and by the spring force of the torsion spring, and the rotation of the shaft is by a brake with a adjustable braking torque brakable.
  • the coil is arranged in a laterally open housing frame of the braiding bobbin, which may be formed for example as a U-profile.
  • the thread guide is mounted in the form of a recess
  • the shaft is rotatably mounted in a bore in the gutter of the housing frame.
  • the brake used is, for example, a magnetic hysteresis brake or eddy current brake.
  • the brake may be mounted inside or outside the housing frame of the braiding bobbin, the shaft being guided through the housing to the brake when mounted outside the housing.
  • the invention further comprises a braiding machine comprising a plurality of braiding bobbins according to the invention.
  • the fiber coil allows itself by a reverse rotational movement, the thread compensation.
  • the thread tension is realized by an adjustable brake and the return movement while maintaining a certain thread tension is achieved by a torsion spring.
  • Fig. 1 an embodiment of the braiding bobbin 10 according to the invention is shown, in which a coil 20 is arranged in the interior of a laterally open housing frame 11 of the braiding bobbin 10.
  • a coil 20 is arranged in the interior of a laterally open housing frame 11 of the braiding bobbin 10.
  • On the spool of fiber material is wound in the form of a fiber thread 30 and at the end faces of the coil 20 may be provided elevations to prevent lateral slipping of the fiber material.
  • the coil 20 is preferably hollow and pushed from the side onto a coil holder 21.
  • One end face of the bobbin holder 21 is covered by the housing frame 11, while the other end face is exposed, so that the coil 20 can be pulled up and removed from this open side.
  • Both the coil 20 and the coil holder 21 are made of plastic, for example.
  • the bobbin holder 21 and the bobbin 20 can be connected to one another in a rotationally fixed manner, for example by guiding a split pin 23 through a respective bore in the bobbin 20 and the bobbin holder 21.
  • the split pin 23 causes both a radial and an axial fixation of the coil 20 on the bobbin holder 21.
  • the sap 23 is removed and the coil 20 can be withdrawn from the bobbin holder 21.
  • the two holes of the coil 20 and the bobbin holder 21 must be aligned with each other to allow insertion of the pin 23.
  • the coil holder 21 may have on its front side hidden by the housing frame 11, a limiting web 24, in which one or more recesses are introduced.
  • the coil 20 may have on its corresponding end face one or more pins which engages in the recesses when the coil is pushed up to the limiting web 24 onto the coil holder 21.
  • an orientation of the coil 20 on the bobbin holder 21 is required.
  • the coil holder 21 may be designed, for example, conical, wherein its outer diameter increases towards the end face in the region of the housing frame 11. The coil 20 can then be slid from the thinner side and pressed onto the conical bobbin holder 21. Possible it is also to provide for the connection between the coil 20 and coil holder 21 a bayonet closure.
  • At least one torsion spring 60 is arranged, which surrounds the shaft 50 and establishes a connection between the coil holder 21 and the shaft 50.
  • the torsion spring 60 is preferably attached to the outer diameter of the sleeve 51 and the inner diameter of the bobbin holder 21.
  • the torsion spring 60 may be formed, for example, as a spiral spring. In Fig. 1 However, a preferred embodiment of a straight torsion spring with fixed clamping is shown at both ends.
  • the shaft 50 is rotatably mounted in a bore 12 in the housing frame 11 and protrudes on both sides of the housing frame 11 out.
  • the bobbin holder 21 may be formed on one side like a cover 25 so as to cover the inside of the bobbin. This embodiment is exemplary in FIG Fig. 1 shown.
  • the shaft 50 protrudes through a bore in this cover 25.
  • the laterally open housing frame 11 is formed for example by a U-profile, in which the two legs of the U-profile above and below the shaft 50 are arranged.
  • the coil holder 21 and the coil 20 are between the two legs of the U-profile arranged while the shaft 50 is on the other side of the housing frame 11 in conjunction with a brake 70.
  • a brake 70 In the in Fig.
  • this brake 70 is thus arranged to the left of the housing frame 11 and thereby attached to the outside of the housing frame 11.
  • the brake 70 may also be mounted between the two legs of the housing frame 11, so that all components of the braiding bobbin are located within the housing frame 11.
  • the brake 70 is, for example, a magnetic hysteresis brake or an eddy current brake with which the rotation of the shaft 50 can be braked. As an alternative to these types of brakes, however, any other brakes can be used.
  • a brake disc 72 is mounted on the shaft 50 within the brake 70, the rotation of which is braked in the withdrawal direction by the brake 70.
  • a braking torque is adjustable, for example in the range of 0-100 mNm.
  • the shaft 50 is rotatably supported within the brake 70 by bearings 71 and 71 '.
  • the tension on the thread 30 will decrease.
  • the torsion spring 60 rotates the spool 20 in a rewinding direction opposite to the previous drawing direction.
  • the thread 30 rewinds on the spool 20 and the thread tension decreases according to the spring constant of the torsion spring 60, wherein the shaft 50 is fixed.
  • the torsion spring 60 tensions again until the brake 70 releases the rotation of the shaft 50 again.
  • the course of the thread tension with the braiding beater according to the invention can be carried out substantially flatter and thus more gentle on the fiber by the selection of the spring constants of the torsion spring 60.
  • the thread tension within the Fadenabzugsshake increases continuously and then remains at the withdrawal of the thread 30 at a constant level. Will the thread within the When the thread compensating section is wound back onto the bobbin, the thread tension drops continuously and rises again when the withdrawal of the thread starts again.
  • the braiding bobbin according to the invention can be used to process just as many carbon fibers with a Tex weight of 77 (eg 1 K fiber T300 from Toray) that it comes to fiber damage or even fiber tears.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
EP09161997.3A 2008-08-18 2009-06-05 Tige de tressage; tresseuse et procédé de détente d'un fil de fibre de la bobine d'une tige de tressage Active EP2157222B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008038281A DE102008038281A1 (de) 2008-08-18 2008-08-18 Flechtklöppel; Flechtmaschine und Verfahren zum Abzug eines Faserfadens von der Spule eines Flechtklöppels

Publications (2)

Publication Number Publication Date
EP2157222A1 true EP2157222A1 (fr) 2010-02-24
EP2157222B1 EP2157222B1 (fr) 2014-05-07

Family

ID=41479172

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09161997.3A Active EP2157222B1 (fr) 2008-08-18 2009-06-05 Tige de tressage; tresseuse et procédé de détente d'un fil de fibre de la bobine d'une tige de tressage

Country Status (3)

Country Link
US (1) US7975591B2 (fr)
EP (1) EP2157222B1 (fr)
DE (1) DE102008038281A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6907334B2 (ja) 2016-12-22 2021-07-21 フラクタル ブレイド， インコーポレイテッド 材料操作のための装置および方法
RU2677414C1 (ru) * 2017-09-11 2019-01-16 Государственное бюджетное образовательное учреждение высшего образования Московской области "Технологический университет" Веретено
DE202018106642U1 (de) * 2018-11-22 2018-11-29 Sipra Patententwicklungs- Und Beteiligungsgesellschaft Mbh Kompensationsbaugruppe für Rundflechtmaschine
CN110629399A (zh) * 2019-11-02 2019-12-31 徐州恒辉编织机械有限公司 一种三维编织机的高性能走马锭
CN113005632A (zh) * 2019-12-19 2021-06-22 财团法人工业技术研究院 线材张力控制装置及应用其之编织机
CN112160068A (zh) * 2020-10-18 2021-01-01 徐州恒辉编织机械有限公司 一种编织机用于编织特殊纤维的高性能卧式携纱锭
TWI772991B (zh) 2020-12-02 2022-08-01 財團法人工業技術研究院 編織路徑生成方法與裝置以及動態修正方法與編織系統
CN113249867B (zh) * 2021-05-26 2021-12-07 南京航空航天大学 一种大型复杂回转预制体的自动化周向植入装置和方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1435219A1 (de) 1964-09-17 1969-03-27 W U M Ostermann Fa Kloeppel fuer Flecht-,insbesondere Schlauchflechtmaschinen
US5285712A (en) * 1990-06-05 1994-02-15 North Carolina State University Yarn carrier with clutch
EP0402526B1 (fr) 1989-06-13 1995-03-15 Atlantic Research Corporation Dispositif de bobine à fibres
US5904087A (en) * 1997-07-28 1999-05-18 Foster-Miller, Inc. Braiding machine carrier with clutch

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE316235C (fr)
US3682413A (en) * 1969-05-13 1972-08-08 English Numbering Machines Tensioning device
FR2630420B1 (fr) * 1988-04-25 1990-10-12 Aerospatiale Cassette d'emmagasinage et de distribution de fil ou ruban sous tension prereglee, utilisable notamment sur une machine pour realiser des pieces creuses par enroulement filamentaire
US5732611A (en) * 1996-10-11 1998-03-31 Wardwell Brainding Machine Company Spool carrier for delivering yarn under tension

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1435219A1 (de) 1964-09-17 1969-03-27 W U M Ostermann Fa Kloeppel fuer Flecht-,insbesondere Schlauchflechtmaschinen
EP0402526B1 (fr) 1989-06-13 1995-03-15 Atlantic Research Corporation Dispositif de bobine à fibres
US5285712A (en) * 1990-06-05 1994-02-15 North Carolina State University Yarn carrier with clutch
US5904087A (en) * 1997-07-28 1999-05-18 Foster-Miller, Inc. Braiding machine carrier with clutch

Also Published As

Publication number Publication date
EP2157222B1 (fr) 2014-05-07
US7975591B2 (en) 2011-07-12
US20100037759A1 (en) 2010-02-18
DE102008038281A1 (de) 2010-02-25

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