EP2986765A1 - Banc d'étirage pour machine à tricoter - Google Patents

Banc d'étirage pour machine à tricoter

Info

Publication number
EP2986765A1
EP2986765A1 EP14714622.9A EP14714622A EP2986765A1 EP 2986765 A1 EP2986765 A1 EP 2986765A1 EP 14714622 A EP14714622 A EP 14714622A EP 2986765 A1 EP2986765 A1 EP 2986765A1
Authority
EP
European Patent Office
Prior art keywords
base plate
rollers
roller
roller pair
suction
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
EP14714622.9A
Other languages
German (de)
English (en)
Other versions
EP2986765B1 (fr
Inventor
Axel Flad
Thomas DZIADOSZ
Manuel Schwab
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.)
Sipra Patententwicklungs und Beteiligungs GmbH
Original Assignee
Sipra Patententwicklungs und Beteiligungs GmbH
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 Sipra Patententwicklungs und Beteiligungs GmbH filed Critical Sipra Patententwicklungs und Beteiligungs GmbH
Publication of EP2986765A1 publication Critical patent/EP2986765A1/fr
Application granted granted Critical
Publication of EP2986765B1 publication Critical patent/EP2986765B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/38—Devices for supplying, feeding, or guiding threads to needles
    • D04B15/48—Thread-feeding devices
    • 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
    • D01H5/26—Drafting machines or arrangements without fallers or like pinned bars in which fibres are controlled by one or more endless aprons
    • 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
    • D01H5/60—Arrangements maintaining drafting elements free of fibre accumulations
    • D01H5/66—Suction devices exclusively
    • 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
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B9/00—Circular knitting machines with independently-movable needles
    • D04B9/14—Circular knitting machines with independently-movable needles with provision for incorporating loose fibres, e.g. in high-pile fabrics

Definitions

  • the invention relates to a drafting system for a knitting machine for
  • knitted fabrics also have a softer surface than those made from a twisted yarn
  • Knitted pieces The drafting systems of these spinning-knitting machines are like the drafting of spinning machines exposed to fiber fly, which can lead to contamination and malfunction.
  • fibers or abrasion may accumulate in the nip between the rolls resting on the base plate and the base plate and lead to disturbances in the operation of the drafting system.
  • the back of the base plate is hermetically covered with a housing and there introduced compressed air, which is passed through holes in the base plate to the gap between the lower rollers and the front of the base plate. The compressed air is thus able to blow out the fibers located in the gap, so that they can not settle. However, the blown-off fibers can then settle on other machine parts.
  • EP 0 532 457 A1 describes a drafting system for spinning machines, in which the pairs of rollers are mounted in a floating manner on a closed drive housing.
  • the drafting rollers are covered by a housing open on the feed side of the roving.
  • compressed air is introduced, which can flow through provided for the storage of the roller shafts in the drive housing openings to the drafting rollers in the open housing.
  • a suction is arranged, which is connected via a hose connection with the open housing.
  • this suction is severely limited in its effect, since the hose connection opens at a location far from the drafting rollers in the open housing.
  • the design of this drafting system is very large, so this drafting system can not be used in spinning-knitting machines.
  • the object of the present invention is to provide a drafting system for
  • Output pressure roller pair wherein the Riemchenwalzencru and the complicat horrwalzencru each having an upper pressure roller and an electric motor driven lower roller and the rollers are arranged on the front side of a base plate, while their axes are passed through the base plate and the drive means for the lower rollers at least partially on the back of the base plate are arranged, which is characterized in that on the top roller of the output pressure roller pair and the top roller of the
  • Riemchenwalzencrues is arranged over both upper rollers extending suction. It may also be provided an input pressure roller pair.
  • Drawframe rollers at least partially covering housing and instead uses a suction targeted near the place of origin for the fiber fly, in the area of the two drafting the top closest to the top rollers.
  • the suction extends over both rollers.
  • One of the top rollers is a Riemchenwalze.
  • the suction also serves to clean the straps. Also from outside penetrating dust can be reliably removed with the suction from the drafting system.
  • Enclosure encapsulation of the drafting rollers are these always for maintenance and to control the distortion of the fiber structure freely accessible.
  • the required installation space for the drafting system is low, so that it can be easily used for spinning-knitting machines.
  • the passage openings are formed in the base plate of the axial holes for the axes of the top rollers, through which the Oberwaizenachsen are passed with play.
  • the compressed air passes directly into the narrow gap between the roller bodies of the top rollers and the base plate and from above into the corresponding gap between the lower roller bodies and the base plate and can therefore reliably from
  • the output roller pair can be arranged downstream of at least one nozzle for receiving the stretched fiber structure, with the
  • Fiber Association can be offset a twist.
  • Figure 1 is a view of the front of the drafting system.
  • Fig. 3 is a sectional view of the drafting rollers and the
  • Fig. 6 is an enlarged detail of a top roller axis
  • roller pairs 12, 13, 14, 15, 16, 17 warped to a fiber structure.
  • a nozzle 18 At the output of the pair of output rollers 16,17 a nozzle 18 is arranged with a transport tube 19, which forward the fiber structure to a knitting machine, also not shown here, preferably a circular knitting machine.
  • an extraction 20 is disposed on the front side 11.1 of the base plate 11, which extends over the top rollers 17 and 15 of the pair of output rollers 16, 17 and the output side
  • the suction 20 is also arranged such that when a blockage of the nozzle 18 of the produced fiber strand can be reliably sucked from the suction 20.
  • a lower part 20.1 of the suction 20 directly adjoins the nozzle 18 for this purpose.
  • Fig. 4 shows the back of the base plate 11 which is completely covered by a housing cover 21.
  • the housing cover 21 is a
  • Supply port 22 arranged for compressed air.
  • Fig. 6 illustrates in the enlarged view, the circular through hole 23 for the axis 26 of the output upper roller 17.
  • the axis 26 is like the other axes 24 and 25 with clearance passed through the associated through hole 23 so that the

Landscapes

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

Abstract

La présente invention concerne un banc d'étirage (10) destiné à une machine à tricoter pour la fabrication d'un bandage de fibres à partir d'une mèche. Ledit banc d'étirage comporte des lanières doubles guidées par une paire de rouleaux de lanière (14, 15) et une paire de rouleaux presseurs de sortie (16, 17). La paire de rouleaux de lanière (14, 15) et la paire de rouleaux presseurs de sortie (16, 17) comportent chacune un rouleau presseur supérieur (15, 17) et un rouleau inférieur (14, 16) entraîné par un moteur électrique. Les rouleaux (12 - 17) sont disposés du côté avant (11.1) d'une plaque de base (11) tandis que leurs axes (26, 27, 28) passent à travers la plaque de base (11). Les moyens d'entraînement des rouleaux inférieurs (12, 14, 16) sont disposés au moins partiellement du côté arrière de la plaque de base (11). Un dispositif d'aspiration (20) s'étendant au-dessus des deux rouleaux supérieurs (15, 17) est disposé au niveau du rouleau supérieur (17) de la paire de rouleaux presseurs de sortie (16, 17) et du rouleau supérieur (15) de la paire de rouleau de lanière (14, 15).
EP14714622.9A 2013-04-15 2014-03-21 Banc d'étirage pour machine à tricoter Not-in-force EP2986765B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013103738.0A DE102013103738A1 (de) 2013-04-15 2013-04-15 Streckwerk für eine Strickmaschine
PCT/EP2014/055692 WO2014170087A1 (fr) 2013-04-15 2014-03-21 Banc d'étirage pour machine à tricoter

Publications (2)

Publication Number Publication Date
EP2986765A1 true EP2986765A1 (fr) 2016-02-24
EP2986765B1 EP2986765B1 (fr) 2018-02-14

Family

ID=50424203

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14714622.9A Not-in-force EP2986765B1 (fr) 2013-04-15 2014-03-21 Banc d'étirage pour machine à tricoter

Country Status (7)

Country Link
US (1) US20160024696A1 (fr)
EP (1) EP2986765B1 (fr)
JP (1) JP6383781B2 (fr)
CN (1) CN105324523A (fr)
DE (1) DE102013103738A1 (fr)
TW (1) TWI654348B (fr)
WO (1) WO2014170087A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017202085A1 (de) 2017-02-09 2018-08-09 Tom Hanrath Fördervorrichtung zur Versorgung einer Garnbearbeitungsmaschine, insbesondere einer Spinnstrickmaschine sowie Produktionseinrichtung umfassend eine solche und Verfahren zur Versorgung einer Garnbearbeitungsmaschine verwendend eine solche

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR969199A (fr) * 1947-08-26 1950-12-15 Rieter Joh Jacob & Cie Ag Procédé assurant la propreté des métiers textiles
EP0532457A1 (fr) 1991-09-12 1993-03-17 Maschinenfabrik Rieter Ag Machine textile avec des unités de travail produisant du duvet
US5546768A (en) * 1995-10-06 1996-08-20 Mayer Industries, Inc. Circular sliver knitting machine having a manifold for controlling multidirectional airflow
CN1826441B (zh) * 2003-03-06 2011-07-06 赖因哈德·柯尼希 针织物及其生产这种针织物的方法和装置
DE102006006502B4 (de) * 2006-02-13 2018-03-08 Reinhard König Spinnstrickmaschine
DE102006037716A1 (de) * 2006-08-07 2008-02-14 Wilhelm Stahlecker Gmbh Vorrichtung zum Herstellen einer Maschenware
WO2008067804A1 (fr) * 2006-12-03 2008-06-12 Koenig Reinhard Métier à tricoter circulaire pour fabriquer des articles maille en utilisant un matériau fibreux non tordu
DE102007004441A1 (de) * 2007-01-25 2008-07-31 Sipra Patententwicklungs- Und Beteiligungsgesellschaft Mbh Maschine zur Herstellung einer Maschenware aus Fasermaterial, insbesondere Strickmaschine
DE102007027467A1 (de) * 2007-06-14 2008-12-18 König, Reinhard, Dr. Ing. Maschine zum Spinnen und Stricken sowie ein Verfahren
DE102007041171A1 (de) * 2007-08-28 2009-03-05 Sipra Patententwicklungs- Und Beteiligungsgesellschaft Mbh Verfahren und Strickmaschine zur Herstellung einer Maschenware aus im wesentlichen unverdrehtem Fasermaterial
CH699521A2 (de) 2008-09-09 2010-03-15 Rotorcraft Ag Streckwerk für eine Strickmaschine.
CH700380A2 (de) 2009-02-13 2010-08-13 Rotocraft Ag Rundstrickmaschine mit integrierten Streckwerken.
DE102011053396B3 (de) * 2011-09-08 2012-08-23 Terrot Gmbh Vorrichtung und Verfahren zur Herstellung von Maschenware

Also Published As

Publication number Publication date
WO2014170087A1 (fr) 2014-10-23
CN105324523A (zh) 2016-02-10
TWI654348B (zh) 2019-03-21
DE102013103738A1 (de) 2014-10-16
US20160024696A1 (en) 2016-01-28
JP6383781B2 (ja) 2018-08-29
EP2986765B1 (fr) 2018-02-14
JP2016519224A (ja) 2016-06-30
TW201510300A (zh) 2015-03-16

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