EP2122028A1 - Métier à tricoter circulaire pour fabriquer des articles maille en utilisant un matériau fibreux non tordu - Google Patents

Métier à tricoter circulaire pour fabriquer des articles maille en utilisant un matériau fibreux non tordu

Info

Publication number
EP2122028A1
EP2122028A1 EP07856063A EP07856063A EP2122028A1 EP 2122028 A1 EP2122028 A1 EP 2122028A1 EP 07856063 A EP07856063 A EP 07856063A EP 07856063 A EP07856063 A EP 07856063A EP 2122028 A1 EP2122028 A1 EP 2122028A1
Authority
EP
European Patent Office
Prior art keywords
drafting
knitting machine
circular knitting
rollers
systems
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
EP07856063A
Other languages
German (de)
English (en)
Other versions
EP2122028B1 (fr
Inventor
Reinhard KÖNIG
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP2122028A1 publication Critical patent/EP2122028A1/fr
Application granted granted Critical
Publication of EP2122028B1 publication Critical patent/EP2122028B1/fr
Active 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
    • 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

  • Circular knitting machine for the production of knitwear using untwisted fiber material
  • the invention relates to a circular knitting machine of the type specified in the preamble of claim 1.
  • spinning knitting machines eg PCT WO 2004/079068
  • the knitwear is not produced from conventional, twisted yarns but from a fibrous material in the form of a sliver, flyer or the like. which is formed essentially of untwisted, mutually parallel staple fibers.
  • This fiber material is fed to the knitting systems by means of drafting devices known from spinning technology. As a result, a knit fabric having extreme softness is obtained.
  • Each associated with a knitting system drafting systems of the known circular knitting machine are summarized to three, barren-shaped and distributed around the Nadelzy cylinder arranged around drafting groups, each drafting group or barre having a variety of drafting and a drive for the rollers.
  • each drafting group or barre having a variety of drafting and a drive for the rollers.
  • the present invention seeks to propose a compromise between the ingot and the segment design, which reduces the investment costs and the implementation of repair and maintenance still not difficult.
  • the circular knitting machine is surrounded by a comparatively large number of miniature bars, which can be individually connected to the circular knitting machine and represent autonomous systems that can be disassembled individually from the circular knitting machine and reinstalled.
  • the circular knitting machine expediently means in the form of switchable locks, for needle selection certain electromagnet od. Like. On to switch the knitting systems when working on the associated drafting on non-wrinkles can.
  • Fig. 1 shows schematically a circular knitting machine according to the invention
  • FIG. 2 shows a cross section through a drafting device group according to the invention in the form of a Minibarre for four knitting systems, seen from the side;
  • Fig. 3 is a bottom view of the drafting group of Fig. 2;
  • Figs. 4 and 5 of Fig. 3 corresponding views of drafting groups for six and eight knitting systems.
  • FIG. 1 shows schematically a circular knitting machine 1 with a rotatable needle cylinder 2, in which knitting needles 3 are displaceably mounted.
  • a working space 4 is schematically indicated, in which an operator 5 stops during normal work on the circular knitting machine 1.
  • the height of the circular knitting machine 1 is dimensioned in the usual way so that a plurality of stitch formation or knitting systems 6, which are formed by lock parts, not shown, and of which only one is shown in Fig. 1, in the grip area of the operator 5 is located ,
  • the term "handle area” is understood to mean that area which preferably has an ergonomically favorable and / or z. B. by work instructions, standards or otherwise prescribed distance above a soil 7 od.
  • the circular knitting machine 1 of interest in the context of the present invention is designed as a so-called spinning knitting machine.
  • Each knitting or knitting point 6 is assigned a drafting device 8 to which a fiber material 10 taken from a can 9 is supplied in the form of a sliver.
  • the fiber material 10 may consist of a flyer drawn off from supply spools.
  • the fiber material 10 is refined in the drafting device 8 in a conventional manner to a thread and preferably presented by means of a thread guide 11 the knitting needles 3 for stitch formation.
  • an auxiliary thread is further indicated, which can also be supplied to the yarn guide 11.
  • a spinning device 14 which is only schematically indicated in FIG. 1, is preferably arranged, which contains a twisting element 15 and a spinning or transporting tube 16 (see also FIG. 2) for the fiber material 10.
  • Circular knitting machines of the type described are the expert z. Example, from the aforementioned document PCT WO 2004/079068 A2, which is hereby made by reference to them the subject of the present disclosure to avoid repetition.
  • the drafting units 8 are arranged so that they are like the knitting systems 6 in the grip region of the operating on the circular knitting machine 1 operator 5.
  • the drafting 8 z. B. attached to a support ring 17, the middle columns 18 on a base or lock plate 19 of the circular knitting machine 1 is supported.
  • the arrangement is also made so that the od of three or more pairs of drafting rollers 20 or the like.
  • Formed clamping lines are not in horizontal planes, but according to Fig. 1 in inclined planes, wherein the respective cans 9 facing input roller-. Pairs higher than the circular knitting machine 1 facing output roller pairs are above the ground 7.
  • FIG. 1 The embodiment of FIG. 1 is characterized in that the axes of the drafting rollers 20 are all arranged horizontally in use.
  • the drafting 8 can be at least partially opened by their essential functional parts according to the invention are mounted at least partially pivotally downwards in the drafting units 8. This is indicated in Fig. 1 by a so-called.
  • Upper rollers supporting component in the form of a pressure arm 21, which is in contrast to the conventional technique below instead of above and in the direction of an arrow y . can be pivoted about an example indicated, horizontal pivot axis 22.
  • the rollers of a selected drafting system 8 are exposed, so that exchanged on these existing straps, eliminated in the drafting 8 existing fiber clumps and other work can be performed without the operator 5 must leave her workspace 4.
  • the drafting 8 is preferably connected to an exhaust 23, the dirt and can absorb flying fibers.
  • a plurality of drafting device groups is arranged, which have a number of knitting systems 6 corresponding number of drafting devices for each one of the fiber materials 10.
  • the drafting groups are designed as so-called Minibarren, each drafting group or Minibarre summarizes at least four and at most eight drafting to an autonomous group. If it is a circular knitting machine 1 with a needle cylinder diameter of 30 "and 48 knitting systems 6, then, for example, four drafting devices per minibar rack will require a total of twelve mini bar racks.
  • the number of knitting systems 6 is expediently one by three or six four divisible numbers, and the number of drawers per minibarre should also be divisible by three or four.
  • the total width of such a minibar should be as small as possible so that the distance from the exit of the fiber material flow from a drafting system to its entry into a knitting system 6 is as small as possible. This condition results from the function of the spinning device 14.
  • Figs. 2 and 3 show the basic structure of a currently best held embodiment of a drafting group in the form of a Minibarre invention.
  • the drafting group includes a central housing 25 housing gearboxes and drives for pairs of drafting rollers.
  • the drafting systems are designed as 3-roller drafting systems, each having a pair of input rollers I, center rollers II and output rollers III, wherein the agent roller pair II expediently designed as a double-strap assembly and provided with straps 29 a and 29 b ,
  • each roller pair I to III has an upper roller 26a, 27a, 28a and a lower roller 26b, 27b and 28b.
  • the upper rollers 26a, 27a and 28a with schematically indicated, z. B. formed as servomotors drives 30 and 31, which serve to produce a pre-delay between the pairs of rollers I and II and a main delay between the pairs of rollers II and III.
  • the drives 30, 31 are housed together with the required gear parts in the housing 25 and drive the housing 25 by outstanding, protruding from both sides of the housing 25 Waves on. This is shown in Fig. 3, which shows a schematic plan view, for the sake of clarity, certain items are not shown, indicated for a shaft 32. On these shafts 32, the rollers 26a to 28a are fixed.
  • rollers 26a-28a may also be formed by sections formed on the shafts 32, in which case it would be possible to speak of stretching or stretching paths rather than individual drafting devices. In the following description, however, the usual terms “drafting” and “rolling” are retained.
  • the shafts 32 cantilever out of the housing 25 on both sides, being provided on each side with two overhead input, middle and output rollers 26a to 28a. All shafts 32 are arranged horizontally in the assembled state of the mimic strip (FIG. 1).
  • the lower rollers 26b to 28b are rotatably mounted on pressure arms 33 and 34, which are mounted to the shafts 32 parallel axes 34 pivotally mounted on the housing 25.
  • the pressure arm 33 is arranged on one side and the pressure arm 34 on the other side of the housing 25. Both pressure arms 33 and 34 thus each carry two coaxial rollers 26 b, 27 b and 28 b and can be pivoted in the direction of the arrow v down to z.
  • the straps 29a and / or 29b of the upper and / or lower rollers 27a, 27b replace or perform other repair or maintenance.
  • each drafting system transports a fiber material stream indicated by an arrow 38 (FIG. 3) in the direction of the associated spinning device 14.
  • Minibarre represents an autonomous entity. If a Minibarre exchanged or shut down because no fiber material 10 is present or any other fault occurs, the associated knitting systems can be stopped by switching to non-wrinkling. This switching can be effected by an operator, by means of an automatic thread monitor or otherwise. This makes it possible to temporarily disable the entire minibar and the associated knitting systems 6 without having to interrupt the continuous knitting process on the circular knitting machine 1.
  • the Minibarre of Fig. 2 and 3 is preferably used for circular knitting machines with 48 knitting systems 6. Their width can in this case z. B. to about 20 cm to 25 cm and with particular advantage to about 22 cm, whereby it is possible to provide sufficiently short spinning devices 14, which is useful for stabilizing the spinning process.
  • FIG. 4 shows a minibar re with six drafting devices or stretching points, wherein the fiber material flows are again indicated by the arrows 38.
  • three rollers are arranged here on each side of the housing 25.
  • each side of the housing 26 each have a first pressure arm 39, each carrying two rollers 26b, 27b and 28b and thus responsible for the drawing of two adjacent fiber material streams 40, and a second pressure arm 41 is arranged, the remaining rollers 26b , 27b and 28b and thus provides for the stretching of the respective remaining third fiber material stream 42.
  • the Minibarre of Fig. 5 can be made with a total width of 25 cm. It is suitable for. B. for circular knitting machines 1 with a needle cylinder diameter of 30 "and 72 knitting systems, then in turn a total of twelve mini bars are needed.
  • Fig. 5 shows a Minibarre with eight drafting units or stretching points for eight fiber material streams (arrows 38).
  • the shafts 32 are provided here with four coaxial, not visible in Fig. 5 rollers 26a, 27a and 28a.
  • a respective pressure arm 43 which is responsible for all four fiber material flows of the relevant side and the rollers 26b, 27b and 28b associated therewith.
  • the width of the Minibarre of Fig. 5 can be adjusted to about 25 cm. This minibar is therefore suitable for. B. for circular knitting machines 1 with Nadelzylinder devis- diameter of 30 "and 96 knitting systems 6, so that here twelve Minibarren for Use come.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Knitting Of Fabric (AREA)

Abstract

L'invention concerne un métier à tricoter circulaire comprenant : une pluralité de systèmes de tricotage disposés sur le pourtour du cylindre à aiguilles; et un nombre correspondant de bancs d'étirage individuellement associés aux systèmes de tricotage pour apporter des matériaux fibreux sensiblement non tordus aux outils de tricotage qui, sur les systèmes de tricotage, peuvent être chacun sortis dans une position de réception de fibres. Selon l'invention, les bancs d'étirage sont réalisés sous la forme de mini-platines qui présentent au moins quatre et au plus huit bancs d'étirage voisins et un boîtier central (25), destiné à recevoir les entraînements et duquel partent de part et d'autre les cylindres supérieurs et inférieurs (26b, 27b 28b) du groupe de bancs d'étirage.
EP07856063A 2006-12-03 2007-12-03 Métier à tricoter circulaire pour fabriquer des articles maille en utilisant un matériau fibreux non tordu Active EP2122028B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006056895 2006-12-03
PCT/DE2007/002205 WO2008067804A1 (fr) 2006-12-03 2007-12-03 Métier à tricoter circulaire pour fabriquer des articles maille en utilisant un matériau fibreux non tordu

Publications (2)

Publication Number Publication Date
EP2122028A1 true EP2122028A1 (fr) 2009-11-25
EP2122028B1 EP2122028B1 (fr) 2013-02-13

Family

ID=39154036

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07856063A Active EP2122028B1 (fr) 2006-12-03 2007-12-03 Métier à tricoter circulaire pour fabriquer des articles maille en utilisant un matériau fibreux non tordu

Country Status (8)

Country Link
US (1) US7748239B2 (fr)
EP (1) EP2122028B1 (fr)
JP (1) JP2010511803A (fr)
KR (1) KR101407833B1 (fr)
CN (1) CN101548040B (fr)
BR (1) BRPI0719646B1 (fr)
HK (1) HK1134118A1 (fr)
WO (1) WO2008067804A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8117871B2 (en) 2007-08-28 2012-02-21 Sipra Patententwicklungs- Und Beteiligungsgesellschaft Mbh Method and knitting machine for producing a knitted product from substantially untwisted fibre material

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013041220A1 (fr) * 2011-09-21 2013-03-28 Koenig Reinhard Banc d'étirage plieur pour un métier circulaire
DE102013103738A1 (de) * 2013-04-15 2014-10-16 Sipra Patententwicklungs- Und Beteiligungsgesellschaft Mbh Streckwerk für eine Strickmaschine

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3019623A (en) * 1959-04-10 1962-02-06 Davis & Furber Pile fabric knitting machines
US3188834A (en) * 1962-12-10 1965-06-15 Glenoit Mills Means for feeding fibers to a pile fabric knitting machine
US3896636A (en) * 1972-11-06 1975-07-29 Glenoit Mills Sliver feeding means for high pile fabric circular knitting machines
US3877254A (en) * 1973-07-30 1975-04-15 Stevens & Co Inc J P Method and apparatus for knitting fabric from untwisted staple fibers
GB1452501A (en) * 1973-11-02 1976-10-13 York H Young B Knitting machines
US4111006A (en) * 1976-05-24 1978-09-05 Bunker Ramo Corporation Apparatus for producing patterned deep pile circular knitted fabrics
DE2853717A1 (de) * 1978-12-13 1980-07-03 Sulzer Morat Gmbh Rundstrickmaschine zur herstellung von florwaren mit eingekaemmten fasern
DE10251727A1 (de) * 2002-11-05 2004-05-13 Deutsches Institut für Textil- und Faserforschung Stuttgart - Stiftung des öffentlichen Rechts Verfahren und Vorrichtung zur Herstellung von Flyerlunte
EP1599625B1 (fr) 2003-03-06 2015-10-07 König, Reinhard Tissu maille, procede et dispositif pour le realiser
DE102006006502B4 (de) * 2006-02-13 2018-03-08 Reinhard König Spinnstrickmaschine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2008067804A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8117871B2 (en) 2007-08-28 2012-02-21 Sipra Patententwicklungs- Und Beteiligungsgesellschaft Mbh Method and knitting machine for producing a knitted product from substantially untwisted fibre material

Also Published As

Publication number Publication date
WO2008067804A1 (fr) 2008-06-12
KR20090090363A (ko) 2009-08-25
EP2122028B1 (fr) 2013-02-13
BRPI0719646B1 (pt) 2017-02-21
US7748239B2 (en) 2010-07-06
BRPI0719646A2 (pt) 2013-12-17
WO2008067804A8 (fr) 2010-10-14
CN101548040B (zh) 2011-09-07
HK1134118A1 (en) 2010-04-16
CN101548040A (zh) 2009-09-30
JP2010511803A (ja) 2010-04-15
US20100000263A1 (en) 2010-01-07
KR101407833B1 (ko) 2014-06-17

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