EP1988199A1 - Outil pour machine à tricoter chaîne, particulièrement pour jauge fine - Google Patents

Outil pour machine à tricoter chaîne, particulièrement pour jauge fine Download PDF

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Publication number
EP1988199A1
EP1988199A1 EP07008923A EP07008923A EP1988199A1 EP 1988199 A1 EP1988199 A1 EP 1988199A1 EP 07008923 A EP07008923 A EP 07008923A EP 07008923 A EP07008923 A EP 07008923A EP 1988199 A1 EP1988199 A1 EP 1988199A1
Authority
EP
European Patent Office
Prior art keywords
knitting
knitting tool
bar
positioning means
positioning
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
EP07008923A
Other languages
German (de)
English (en)
Other versions
EP1988199B1 (fr
Inventor
Eric Jürgens
Andreas Dietz
Uwe Singel
Torsten Butz
Klaus Kirchmair
Eckhard Fehrenbacher
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.)
Groz Beckert KG
Original Assignee
Groz Beckert KG
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 Groz Beckert KG filed Critical Groz Beckert KG
Priority to DE502007001850T priority Critical patent/DE502007001850D1/de
Priority to EP07008923A priority patent/EP1988199B1/fr
Priority to KR1020080041433A priority patent/KR100991682B1/ko
Priority to JP2008120387A priority patent/JP2008274539A/ja
Priority to CN2008100928560A priority patent/CN101302680B/zh
Priority to US12/149,584 priority patent/US7878028B2/en
Publication of EP1988199A1 publication Critical patent/EP1988199A1/fr
Application granted granted Critical
Publication of EP1988199B1 publication Critical patent/EP1988199B1/fr
Priority to JP2012023846A priority patent/JP2012117198A/ja
Priority to JP2013146356A priority patent/JP6082668B2/ja
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
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/30—Driving devices for thread-carrier rods
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B37/00—Auxiliary apparatus or devices for use with knitting machines
    • D04B37/06—Auxiliary apparatus or devices for use with knitting machines with warp knitting machines
    • 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
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
    • D04B27/06—Needle bars; Sinker bars
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
    • D04B35/02—Knitting tools or instruments not provided for in group D04B15/00 or D04B27/00

Definitions

  • the invention relates to a tool, in particular a knitting tool for the assembly of ingots in textile machines, in particular knitting machines.
  • a knitting tool for the assembly of ingots in textile machines, in particular knitting machines.
  • Under knitting tool is understood here a tool for the production of knitted fabric, in particular a knitting needle.
  • Textile machines e.g. Tufting machines, stitchbonding machines or knitting machines have bars with tools for producing textile surfaces.
  • a tool according to the invention can be held by a bar of such a or a similar textile machine.
  • Knitting machines usually have at least one bar that holds many knitting tools, eg needles in parallel alignment.
  • the barre is an elongated carrier which extends transversely to the knitting tools and performs a predetermined movement. All the knitting tools resting on the support perform the same movement.
  • the knitting tools are held to the bar at certain distances from each other. These distances determine the division.
  • a measure of the division is the so-called fineness, which is stated in number of knitting tools per English inch.
  • the fineness E40 designates 40 needles per English inch.
  • the bar has a slot for each knitting tool in which the knitting tool is held and clamped.
  • This concept subtleties from E40 to E44 can be achieved. With higher subtleties, this concept reaches its limits. The existing between the slots web walls and / or the tool shanks are so thin that they are no longer able to cope with the mechanical requirements.
  • the knitting tool according to the invention has on its body a positioning means with which it can be positioned according to a predetermined pitch.
  • the positioning means makes the previously provided between the knitting tools web walls superfluous. It positions the knitting tool on the bar independently of web walls or Channels, as they were previously required to accommodate the tool shafts. As a result, the space previously used for the web walls is now available for the thickness of the knitting tool bodies or their tool shanks which form bearing sections. Very high finenesses of, for example, E50 can be achieved without problems with the rigidity or strength of the knitting tools.
  • the provided on the knitting tool positioning serves to bring the knitting tool with respect to its transverse direction in a defined position and set in this position.
  • the positioning means may be formed by a suitable recess, for example a slot extending in the longitudinal direction of the body. This then preferably overlaps provided on the bar web or projection.
  • This projection can be integrally formed with the bar or alternatively formed by a bar inserted into the bar.
  • the knitting tool in this case in the region of the positioning means on a U-profile, with which the knitting tool sits on the projection. In this case, the upper narrow side of the projection rest against the slot bottom.
  • the knitting tool can lie with the end faces of its legs on both sides next to the projection on the bar. The upper narrow side of the projection is then spaced from the bottom of the positioning means.
  • the positioning means may be formed by at least one protrusion provided on the body.
  • This protrusion can be formed, for example, by a rib running on the body in the longitudinal direction.
  • This rib is preferably arranged on a narrow side of the body.
  • a groove is provided on the bar, in which fits the rib.
  • At the bar are preferably provided a plurality of grooves which are oriented parallel to each other are and determine the pitch of the needles.
  • the grooves are narrower than the tool shanks or bearing sections. They serve only to receive the ribs.
  • the positioning means of the knitting tool is formed by a slit provided on the body, the webs then provided on the bar determine the pitch of the knitting tools.
  • the knitting tools at least in the region of its stitch-forming part has a width which is smaller than the width of the bearing portions which are held on the bar.
  • width is understood to mean the distance of the side surfaces of the respective bearing section or of the stitch formation section transversely to the longitudinal direction to the knitting tool. The transverse direction is parallel to the longitudinal extent of the bar.
  • knitting tools whose mesh-forming part has the same width as the bearing section or is slightly larger. This is possible when alternately knitting tools are provided on the bar, the mesh-forming parts have different spatial orientations, eg by pointing alternately obliquely upwards and obliquely downwards.
  • the stitch forming portion may include a shaft that terminates in a hook at the end.
  • the shaft can have a uniform or different heights. The height is measured perpendicular to the longitudinal direction of each needle.
  • a slot may be provided, for example, for a slider. This can be held on another Barre, said slider can be designed according to the same principle as a needle and held in the bar.
  • the slides, the needles or other mesh forming elements are thus knitting tools in the sense of the claims.
  • FIG. 1 is a barre 1 of a knitting machine illustrated.
  • knitting tools 2 here exemplified by means of needles 3, shown.
  • the needles 3 are held in parallel alignment next to each other on the bar 1.
  • Each knitting tool 2 has, as FIG. 2 can recognize, a working section 4 and a bearing section 5.
  • the working portion 4 has a stitch forming portion, a stitch forming portion.
  • the working sections 4 are narrower than the bearing sections 5, ie they have a smaller width.
  • the width is to be measured in the transverse direction Q, which coincides with the longitudinal direction of the bar 1 and is perpendicular to the longitudinal direction L of each knitting tool. Because of the smaller width of the working sections 4 is between the working sections 4 adjacent knitting tools 2 even then a sufficient gap 6 and a free space available when the bearing sections 5 are very close together or with their flat side surfaces 7, 8 abut each other.
  • a narrow gap 9 may be present between adjacent side surfaces 7, 8, a narrow gap 9 may be present. This can be in the range of a few microns up to about a tenth of a millimeter or, if necessary, be sized larger.
  • the gap 9 is preferably empty, ie open. In individual cases, it may also be useful to arrange in the gap further elements, such as elastically or plastically resilient damping elements or the like. In any case, no elements are provided in the gap 9, which would pretend or define the division of the knitting tools 2.
  • the pitch denotes the center distance T of adjacent knitting tools 2. The higher or greater the fineness E, the smaller the pitch T. In the present exemplary embodiment, the pitch T is, for example, 0.5 mm (approximately E50).
  • a positioning means 11 is provided on the body 10 of the knitting tool 2, the clearer FIG. 4 evident.
  • the positioning means 11 is formed by a recess extending in the longitudinal direction L in the form of a slot 12, which leads from the needle top, a narrow side 13 of the bearing portion 5, starting in the body 10.
  • the slot 12 is preferably limited to the bearing section 5.
  • the end provided, for example, with a hook 14 working section 4 of the knitting tool 2 protrudes from the bar 1 out and so far contains no positioning. It may be provided with a slot 15, for example, for receiving a slider (not shown) and thus is part of the stitch formation system.
  • the bar 1 has a preferably flat bearing surface 16 against which the bearing section 5 rests with its narrow side 13. From the bearing surface 16 protrudes perpendicular to a projection 17, which is formed in the present embodiment by a web 18. This is preferably limited in width by two mutually parallel flat sides 19, 20, as seen from FIG. 5 evident. In height, the bridge is bounded by two narrow sides 31, 36.
  • the web 18 is used, for example, in a groove 21 which is introduced into the bar 1 at the support surface 16.
  • the narrow side 36 of the web 18 cooperates with the needle bar 1 and serves as a stop surface for the web 18.
  • the bearing portion 5 of the knitting tool 2 engages over the web 18 with its slot 12.
  • the height of the web 18 is chosen so that their the needle bar repellent narrow side 31 is spaced from the bottom 35 of the slot 12.
  • the two flanks delimiting the slot 12, which are designed in the form of legs 22, 23, are preferably free of backlash or backlash against the flat sides 19, 20 of the web 18 and thus position the knitting tool 2 transversely to its longitudinal direction L.
  • the narrow side 13 becomes divided by the slot 12 into two partial surfaces 13a, 13b, which rest against the support surface 16 and align the knitting tool 2 on the support surface 16.
  • the knitting tools 2 are clamped by a clamping bar 24 against the support surface 16.
  • the clamping strip 24 presses, for example via a damping element 25 against the back, a narrow side 26 of the knitting tool. 2
  • a foot 27 can be provided on the bearing section 5, which preferably protrudes away from the narrow side 13 of the bearing section 5 having the slot 12.
  • the foot 27 fits into an axial positioning groove 28 which extends in the transverse direction Q along the bar 1.
  • the positioning means 11 extends in the form of the groove 12 over a large part of the bearing portion 5.
  • two short, successively arranged slots can be provided, which correspondingly smaller projections 17 are assigned (not shown).
  • the slot 12 does not necessarily have parallel flanking.
  • the slot 12 and the web 18 may also have different cross sections, e.g. Have trapezoidal cross sections. These may be dimensionally fixed to one another such that the flanks of the slot 12 are slightly elastically deformed by the web 18, e.g. be bent away from each other. So the bearing section is positioned completely free of play. Due to the elasticity of the slot walls compensation of manufacturing tolerances is possible.
  • the bridge 18, as FIG. 4 shows, in outline, preferably smaller than the slot 12 to take over only the side guide or pitch positioning of the knitting tool 2, while the axial positioning exclusively done by the foot 27.
  • the projection 17 is arranged on the barre 1 pitch. But it forms in each of the variants mentioned a fixing means 29 for determining the needle pitch or Strickwerkmaschinemaschine whatsoever.
  • the fixing means 29 may also be formed by strip-like projections 30 which rise from the support surface 16 of the bar 1 and are part of the same.
  • the projections 30 are, for example, integrally connected to the bar 1 in one piece. They may have been created by initially removing material therebetween to form the support surface 16.
  • the projections 30 may have parallel to the support surface 16 has an end narrow side in the form of a strip-shaped positioning surface 31 which abuts against the bottom 35 of the slot 12. In this case, the partial surfaces 13a, 13b do not touch the support surface 16 but float at a slight distance above it.
  • the height of the hook 14 of the working portion 4 of the knitting tool 2 is determined.
  • this working height for all knitting tools 2 used a needle bar 1 is identical.
  • FIG. 6 can be made with simple known manufacturing means, for example by a machining (grinding or milling) a uniform height of all positioning 31 a bar 1 by these positioning surfaces are processed together in one operation.
  • the Positioning of the knitting tool 2 is given in this case both with respect to the definition of the pitch, ie in the transverse direction Q, as well as in the vertical direction V by the positioning means 11 and the fixing means 29.
  • the dimensions of the web 18 according to FIG. 5 can be set so that the working height of the hook 14 according to the embodiment of FIG. 6 is determined. Then, the positioning surface 31 of the web 18 cooperates with the bottom 35 of the slot 12, is in contact therewith and thus determines the height of the working portion 4. The support surface 16 of the bar 1 is then spaced from the narrow side 13 of the knitting tool 2.
  • FIG. 7 also possible, with otherwise identical design of the bar 1 and the knitting tools 2 according to FIG. 6 the projections 30 with respect to the size of the slots 12 to be dimensioned so that the partial surfaces 13a, 13b bear against the support surface 16.
  • the end boundary of the projection 30, the narrow side 31, is then arranged at a distance from the bottom 35 of the slot 12.
  • the support surface 16 then serves to position the knitting tools 2, in particular for positioning the stitch-forming part 4.
  • the height of the hook 14 of the working section 4 of the knitting tool 2 is determined by the interaction of the lower narrow side 13 of the knitting tool 2 with the support surface 16 of the bar 1. This working height is ideally identical for all knitting tools 2 used in a needle bar 1.
  • FIG. 8 Another modification illustrates FIG. 8 ,
  • the positioning means 11 is formed here by a projecting from the lower narrow side 13 of the bearing portion 5 preferably longitudinally extending rib 32 which is narrower than the width of the bearing portion 5, which is the distance between the Side surfaces 7, 8 to measure.
  • the rib 32 engages in a groove 33 which is provided in the bar 1 and forms the fixing means 29.
  • the adjacent bearing portions of adjacent knitting tools 2 are arranged close to each other except for a slight gap 9.
  • FIGS. 9 and 10 illustrate another embodiment of a knitting tool 2 again in the form of a needle 3. This in turn has in its body 10 serving for positioning, emanating from the narrow side 13 slot 12, which has a rounded bottom in the present case. For the rest, the previous remarks apply accordingly.
  • FIG. 9 and 10 illustrate another embodiment of a knitting tool 2 again in the form of a needle 3. This in turn has in its body 10 serving for positioning, emanating from the narrow side 13 slot 12, which has a rounded bottom in the present case. For the rest,
  • the working portion 4 as described above, narrower than the bearing portion 5 is formed.
  • the area of the hook 14 is again narrower.
  • the middle of the working section 4 is offset parallel to the center of the bearing section 5.
  • a side surface 7 is formed flat throughout while the side surface 8 may have a step 34 which marks the transition from the working section 4 to the bearing section 5.
  • the slot 15, which serves to receive a slider for opening and closing the hook 14, may extend slightly into the bearing section 5. For the positioning of the knitting tool 2, it is irrelevant.
  • the working section 4 and the bearing section 5 are aligned. It should be noted, however, that the sections are not only in accordance with FIG. 10 offset from each other in parallel but can also be arranged at an angle to each other standing.
  • the working portion 4 may be formed cranked in any desired direction.
  • the working section 4 of the knitting tool comprises the stitch-forming region of the knitting tool 2 and can be of different lengths depending on the application.
  • One end of the stitch forming area 4 comprises the end of the knitting tool 2 when formed as a needle 3, the hook 14, the other end of the stitch forming area 4, depending on the application before, exactly on the border to or in the storage section 5 end.
  • the principle of positioning the knitting tools 2 without intermediate walls that would extend between the bearing sections 5, regardless of the design of the working section 4 leads to the advantages mentioned above.
  • the positioning can also be decoupled from both the support surface 16 and the webs 18.
  • the knitting tool 2 is preferably provided exclusively at its bearing portion 5 with feet 37, 38, which serve to set a desired needle height. They preferably do not serve the axial positioning, because this takes over the foot 27.
  • the feet 37, 38 protrude into grooves 39, 40 which are provided in the surface 16 of the bar 1 and extend in the longitudinal direction thereof.
  • the advantage of this embodiment lies in the high manufacturing precision, which can be achieved here with low production costs. In the production of the two grooves 39, 40, the cutting volume is low. The tool wear in the production of the grooves and thus the dimensional inaccuracy of the groove bottom are correspondingly low.
  • An especially designed to achieve particularly fine divisions knitting needle or other knitting tool 2 have a narrower working portion 4 and a wider bearing portion 5, wherein the bearing portion 5 is provided with a positioning means 11, for example in the form of a slot 12 or in the form of a rib 32.
  • the knitting tool 2 is assigned a fixing means 29 in the form of a projection 17 or a groove 33 on the part of the bar 1.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
EP07008923A 2007-05-03 2007-05-03 Outil pour machine à tricoter chaîne, particulièrement pour jauge fine Active EP1988199B1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
DE502007001850T DE502007001850D1 (de) 2007-05-03 2007-05-03 Wirkmaschinenwerkzeug, insbesondere für feinste Teilung
EP07008923A EP1988199B1 (fr) 2007-05-03 2007-05-03 Outil pour machine à tricoter chaîne, particulièrement pour jauge fine
JP2008120387A JP2008274539A (ja) 2007-05-03 2008-05-02 ニットツール及び編機
KR1020080041433A KR100991682B1 (ko) 2007-05-03 2008-05-02 특히 최미세 분할용 편물 공구
CN2008100928560A CN101302680B (zh) 2007-05-03 2008-05-04 特别适用于高精细分度的针织机工具
US12/149,584 US7878028B2 (en) 2007-05-03 2008-05-05 Knitting machine tool, in particular for the finest division
JP2012023846A JP2012117198A (ja) 2007-05-03 2012-02-07 編機
JP2013146356A JP6082668B2 (ja) 2007-05-03 2013-07-12 編機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07008923A EP1988199B1 (fr) 2007-05-03 2007-05-03 Outil pour machine à tricoter chaîne, particulièrement pour jauge fine

Publications (2)

Publication Number Publication Date
EP1988199A1 true EP1988199A1 (fr) 2008-11-05
EP1988199B1 EP1988199B1 (fr) 2009-10-28

Family

ID=38566303

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07008923A Active EP1988199B1 (fr) 2007-05-03 2007-05-03 Outil pour machine à tricoter chaîne, particulièrement pour jauge fine

Country Status (6)

Country Link
US (1) US7878028B2 (fr)
EP (1) EP1988199B1 (fr)
JP (3) JP2008274539A (fr)
KR (1) KR100991682B1 (fr)
CN (1) CN101302680B (fr)
DE (1) DE502007001850D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2045385A1 (fr) * 2007-10-02 2009-04-08 Karl Mayer Textilmaschinenfabrik GmbH Agencement d'outil à tricoter et outil à tricoter
EP3587645A1 (fr) * 2018-06-29 2020-01-01 KARL MAYER Textilmaschinenfabrik GmbH Aiguille pour machine à tricoter chaîne et procédé pour sa fabrication

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2719800B1 (fr) 2011-06-09 2018-03-21 Tokyo Stainless Grinding Co., Ltd. Procédé de production d'acier
JP2013243100A (ja) 2012-05-23 2013-12-05 Ushio Inc ショートアーク型放電ランプ
EP2942429B1 (fr) * 2014-05-07 2016-12-07 Karl Mayer Textilmaschinenfabrik GmbH AIGUILLES à TRICOTER ET BARRE D'AIGUILLES
EP3009550B1 (fr) * 2014-10-14 2019-03-13 Karl Mayer Textilmaschinenfabrik GmbH Aiguille à tricoter et barres d'aiguilles
DE102015105648A1 (de) * 2015-04-14 2016-10-20 Groz-Beckert Kg Schieberfeder, Schieber, Schiebernadel, Führungsanordnung und Verfahren zum Herstellen wenigstens einer Schieberfeder
DE102015014722B3 (de) * 2015-10-28 2016-12-15 Thomas Liebers Strickmaschine mit einem Führungskanal und einem darin geführten Strickelement
PT3418434T (pt) * 2017-06-19 2019-06-11 Groz Beckert Kg Ferramenta de tricotar à máquina, em particular, agulha de tricotar à máquina
EP3702504B1 (fr) * 2020-06-30 2022-09-07 KARL MAYER STOLL R&D GmbH Métier à tricoter chaîne, système d'aiguille à coulisse et procédé de fabrication d'une étoffe tricotée élastique

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DD63840A1 (de) * 1967-09-14 1968-09-20 Fery Heilmann Anordnung der Hakennadeln einer Gruppe von Schiebernadeln an einem Halter
US4157690A (en) * 1977-03-16 1979-06-12 Edgar Pickering (Blackburn) Limited Needle bar for a tufting machine
DE4131809A1 (de) * 1991-09-24 1993-03-25 Berger Gmbh Vorrichtung zum einspannen und fuehren von haekelnadeln fuer eine haekelmaschine
DE4414703A1 (de) * 1994-04-14 1995-10-19 Liba Maschf Wirknadel für eine Kettenwirkmaschine
DE102006004098B3 (de) * 2006-01-28 2007-09-06 Karl Mayer Textilmaschinenfabrik Gmbh Barre einer Wirkmaschine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2045385A1 (fr) * 2007-10-02 2009-04-08 Karl Mayer Textilmaschinenfabrik GmbH Agencement d'outil à tricoter et outil à tricoter
US8141394B2 (en) 2007-10-02 2012-03-27 Karl Mayer Textilmaschinenfabrik Gmbh Knitting tool arrangement and knitting tool
EP3587645A1 (fr) * 2018-06-29 2020-01-01 KARL MAYER Textilmaschinenfabrik GmbH Aiguille pour machine à tricoter chaîne et procédé pour sa fabrication
TWI733097B (zh) * 2018-06-29 2021-07-11 德商卡爾邁耶斯托爾研發有限公司 用於經編機之編織工具及其生產方法、以及用於生產包含經編機之一梳櫛和至少一個編織工具的完整系統之方法

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KR100991682B1 (ko) 2010-11-04
DE502007001850D1 (de) 2009-12-10
JP2012117198A (ja) 2012-06-21
JP6082668B2 (ja) 2017-02-15
KR20080097950A (ko) 2008-11-06
EP1988199B1 (fr) 2009-10-28
CN101302680A (zh) 2008-11-12
CN101302680B (zh) 2011-01-12
US20080271497A1 (en) 2008-11-06
US7878028B2 (en) 2011-02-01
JP2008274539A (ja) 2008-11-13
JP2013237966A (ja) 2013-11-28

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