EP3754077A1 - Procédé et dispositif de tricotage destiné à vaniser sur un métier à tricoter circulaire équipée d'aiguilles glissantes - Google Patents

Procédé et dispositif de tricotage destiné à vaniser sur un métier à tricoter circulaire équipée d'aiguilles glissantes Download PDF

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Publication number
EP3754077A1
EP3754077A1 EP19180536.5A EP19180536A EP3754077A1 EP 3754077 A1 EP3754077 A1 EP 3754077A1 EP 19180536 A EP19180536 A EP 19180536A EP 3754077 A1 EP3754077 A1 EP 3754077A1
Authority
EP
European Patent Office
Prior art keywords
edge
yarns
sinker
yarn
compound
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
EP19180536.5A
Other languages
German (de)
English (en)
Other versions
EP3754077B1 (fr
Inventor
Martin Wörnle
Roland Simmendinger
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 PT191805365T priority Critical patent/PT3754077T/pt
Priority to EP19180536.5A priority patent/EP3754077B1/fr
Priority to TW109112460A priority patent/TWI843842B/zh
Priority to PCT/EP2020/064922 priority patent/WO2020254089A1/fr
Priority to CN202080044478.8A priority patent/CN113950546B/zh
Priority to JP2021575039A priority patent/JP7499792B2/ja
Priority to US17/619,965 priority patent/US11725313B2/en
Priority to KR1020217041137A priority patent/KR20220024058A/ko
Publication of EP3754077A1 publication Critical patent/EP3754077A1/fr
Application granted granted Critical
Publication of EP3754077B1 publication Critical patent/EP3754077B1/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
    • D04B—KNITTING
    • D04B9/00—Circular knitting machines with independently-movable needles
    • D04B9/26—Circular knitting machines with independently-movable needles for producing patterned fabrics
    • D04B9/28—Circular knitting machines with independently-movable needles for producing patterned fabrics with colour patterns
    • D04B9/34—Circular knitting machines with independently-movable needles for producing patterned fabrics with colour patterns by plating
    • 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
    • D04B15/06—Sinkers
    • 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
    • D04B15/54—Thread guides
    • D04B15/58—Thread guides for circular knitting machines; Thread-changing devices
    • D04B15/60—Thread guides for circular knitting machines; Thread-changing devices with thread-clamping or -severing devices
    • 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
    • D04B35/06—Sliding-tongue needles
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B9/00—Circular knitting machines with independently-movable needles
    • D04B9/10—Circular knitting machines with independently-movable needles with two needle cylinders for purl work or for Links-Links loop formation

Definitions

  • the present invention relates to a method and a knitting device for circular knitting of clad knitwear with compound needles.
  • the DE69024050T2 shows a circular knitting machine with an encircling sinker and sinker running diagonally downwards, which holds a base and plush thread even during the weeding.
  • the procedure disclosed is intended to dispense with adjustment processes when the yarn or stitch density changes. It is also stated that compound needles can also be used instead of the latch needles shown.
  • the tongue flap is understood to mean the closing movement of the tongue in the direction of the hook, through which yarns that are adjacent outside a hook area are optionally introduced from the tongue into the hook area.
  • compound needles are not used for the production of clad knitwear.
  • the DE4131508A1 shows, among other things, the production of a plush knitted fabric with compound needles and insert slides.
  • the insertion slide is intended to enclose the two yarns in an insertion area and serves as a knock-off edge at least for the plush thread.
  • plated knitwear is to be understood as meaning, in particular, knitwear that does not have a handle protrude beyond the surface of the basic knitted fabric. Knitwear with such protruding handles is referred to as plush.
  • the object of the present invention is to specify a method and a knitting device in order to be able to reliably produce clad knitted goods with high productivity on a circular knitting machine equipped with compound needles.
  • At least two yarns are introduced into the hook area of a compound needle.
  • a thread guide of the prior art can be used for this purpose.
  • a sinker is moved in relation to a knock-off edge, which is immovably arranged on a cylinder and extends in a longitudinal direction and a transverse direction, in such a way that the sinker is moved further in the direction of the needle shaft of a compound needle by means of a guide means for the separate guidance of the yarns at least one of the yarns introduces the hook area of the compound needle and keeps the yarns separate.
  • the sinker moves parallel in the longitudinal direction and perpendicularly in the height direction, which is perpendicular to the longitudinal direction and transverse direction, to the knock-off edge, so that the guide means performs a movement that follows at least one yarn at least in sections.
  • At least one elastic and at least one inelastic yarn is preferably introduced into the hook area of a compound needle.
  • a guide means means that all yarns are securely grasped by the hook of the compound needle and also retain the required sequence or position relative to the other yarn or yarns.
  • the following movement in particular does not deflect the elastic yarn unnecessarily out of its path, so that undesired oscillation does not occur.
  • the required sequence or position of the yarns in relation to one another is thus maintained even more reliably even at high production speeds.
  • the sinker preferably follows the thread at least in sections or at least until the thread is securely gripped by the hook of the compound needle.
  • the subsequent movement is to be understood as meaning that the sinkers move on a path, so that the guide means arranged on the sinker moves at least temporarily along a path that corresponds to the path of at least one of the yarns or at least comes close to it.
  • a The thread guide is fixed in place in the machine.
  • the yarns run from their last deflection point on the thread guide at least mostly obliquely downwards to the point at which the loop formation takes place.
  • the path on which the yarns run diagonally downwards and are subsequently delivered is often stationary.
  • the needles and sinkers are moved past the thread guide by the rotary movement of the cylinder and the sinker carrier.
  • the needles also perform an expulsion and retraction movement in a direction parallel to the cylinder axis in order to grasp the yarn with its hook as it glides past.
  • the sinkers in addition to their rotary movement impressed by the sinker carrier, the sinkers perform at least one propulsion movement designed in such a way that the movement path of the guide means of the sinkers follows the downward sloping path of at least one of the yarns and the movement path or the trajectory of the guide means corresponds in sections to the path of the yarns .
  • the stationary path of at least one yarn is preferably not a straight path from the thread guide to the loop formation point, but rather points at the first contact position with the guide means of the sinker at least one deflection point which is not formed when the guide means of the sinkers are not in engagement with the yarn.
  • Plating can in particular be understood to mean a knitting process in which at least one elastic yarn and at least one inelastic yarn are used in order to produce a very elastic knitted fabric, in particular for the sports sector.
  • the formation of a plush knitted fabric is not the subject of the present invention.
  • Cotton, for example, is considered an inelastic yarn, while elastane, for example, is considered an elastic yarn for the purposes of the present invention.
  • the hook area of a compound needle is understood as a space that is limited on the one hand by the inside of the hook and the top of the needle shaft and on the other hand is limited by an imaginary line running from the hook tip of the needle parallel to the direction of movement of the needle to the top edge of the Needle shaft runs.
  • a needle can grasp a yarn arranged in this space with its hook during its retraction movement and form a loop.
  • the knock-off edge extends in a longitudinal direction and in a transverse direction. In the longitudinal direction, the knockdown edge has a greater extent than in the transverse direction.
  • the knock-off edge can be made in one piece with the cylinder or it can be designed as a separate component and connected immovably to the cylinder.
  • the following movement can be carried out linearly or pivoting, that is, curved. Combinations of these can also be advantageous.
  • the sinker moves back in the longitudinal and vertical directions so as not to touch any yarn when the stitches are knocked off.
  • Such a movement is not possible, in particular when forming plush, since the plush mesh must be held by the plate when it is puddled.
  • This additional period of time in which the sinker can perform movements, compared to plush formation with sinkers, allows a more flexible movement of the sinkers and, for example, the sinker can be withdrawn prematurely in order to facilitate or at least not hinder the knocking off of the stitch.
  • the sinker can be withdrawn during the couling or already withdrawn, since contact with the yarns to form a plush stitch is not required.
  • a hold-down means can be retracted, that is, brought into operation. Holding down is often referred to as locking in. Sinkers that take on the function of holding down or enclosing are accordingly often referred to as containment sinkers.
  • the necessity of holding down the stitch results from the fact that the otherwise taking place of the stitch through the needle when it is expelled creates an uneven stitch structure. The dragging based on friction does not take place evenly.
  • the hold-down means can be arranged on the board or on a further board. The retraction of the hold-down means can be completed when the compound needle begins to take the loop hanging on the slide needle with it when it is expelled.
  • the hold-down means can be extended when the compound needle has reached its upper reversal point.
  • the hold-down means can no longer have any function, i.e. no longer in contact with the yarn. If it is arranged on an additional plate, the hold-down means can be moved in the longitudinal direction from the inside or from the outside over the hook area of the compound needle.
  • the sinker that has the guide means can be moved more flexibly in terms of time and space and thus, for example, the movement following a yarn can be better coordinated with the path of the respective yarn.
  • the hold-down means and the guide means are moved back so that yarns can again be inserted into the hook area of the compound needle and moved from the hook of the compound needle to the knock-off edge
  • the knitting device according to the invention for plating with compound needles has a cylinder with an immovably arranged knock-over edge which extends in a longitudinal direction and a transverse direction, compound needles, at least two yarns and at least one sinker.
  • the sinker has a guide means for the separate guidance of the at least two yarns.
  • the sinker is movably arranged relative to the knock-off edge in a parallel longitudinal direction and in a vertical height direction which is perpendicular to the longitudinal direction and transverse direction, by means of the guide means by means of at least one thread with a movement following the thread in the direction of the needle shaft into the hook area of the compound needle to be able to be introduced and kept separate from the at least one other yarn (4, 5).
  • the knitting device preferably has at least one elastic and at least one inelastic yarn.
  • the arrangement according to the invention of a sinker with a guide means securely grips all yarns from the hook and also maintains the required sequence or position relative to the other.
  • the following movement in particular does not deflect the elastic yarn unnecessarily out of its path, so that undesired oscillation does not occur.
  • This means that the required sequence of the yarns is retained even more reliably even at high production speeds. Due to the division of the knockdown function on a fixed element and the hold-down and insertion function on at least one separate element, the sinkers do not come to a standstill during the setting and they can be moved flexibly not only spatially but also in terms of time.
  • the guide means on the board can be formed by an end edge of the at least one board.
  • the end edge can have edge sections which are parallel to the height direction. Elevations and / or depressions can be arranged between the edge sections, which guide the yarns and / or keep them separate. In particular, 3 or more yarns can also be introduced through the sinker into the hook area and kept separate.
  • the at least one board can comprise a hold-down means which is formed by an edge of the at least one board.
  • the edge which can form the hold-down means of the at least one plate, can run parallel to the knock-off edge in the advanced state of the at least one plate.
  • the hold-down means can be formed on at least one additional circuit board.
  • the additional plate can be movably arranged in the longitudinal direction from the outside or from the inside over the hook area of the compound needle.
  • Figure 1 shows a symbolic representation of a knitting system 1 according to the invention at a specific point in time of the loop formation process.
  • the compound needle 3 has a The stitch was knocked off and the budding movement had already begun.
  • the board 6 is in the maximally withdrawn position.
  • An elastic yarn 4 and an inelastic yarn 5 are received in the hook of the compound needle 3 and have been shortened beforehand to form a certain stitch length.
  • the inelastic yarn 5 lies below the elastic yarn 4 and still touches the knock-off edge 2.
  • the hook area 7 of the compound needle 3 is symbolized by a curly bracket. In this state, the hook area 7 of the compound needle 3 is completely closed by the hook 15, the needle shaft 9 and the slide 16.
  • the circuit board 6 includes on her in the Figure 1 On the left end, a guide area 8, on which two edge sections 11 and 12 parallel to the longitudinal direction L are indicated by way of example. With the parallel to the longitudinal direction L edge portions 11 and 12 are in the Figure 1
  • the circuit board 6 shown has two recesses which are each delimited by an elevation.
  • a hold-down means 10 is formed on the board 6, which is formed by an edge of the board 6 which points downward in the height direction H.
  • the longitudinal direction L, the height direction H and the transverse direction Q are symbolized by a coordinate system.
  • the Figures 2 to 8 show the knitting system 1 of Figure 1 only in other states of the knitting process.
  • the coordinate system and some reference symbols are therefore not shown and explained again in these figures.
  • FIG. 9 a modified knitting system 1 according to the invention is shown with an additional plate 14 which can grip in the longitudinal direction L from the outside over the hook area 7 of the compound needle 3.
  • Figure 10 shows a further modified knitting system 1 according to the invention with an additional sinker 14 which can grip in the longitudinal direction L from the inside over the hook area 7 of the compound needle 3.
  • List of reference symbols 1 Knitting device 2 Tee edge 3 Compound needle 4th elastic yarn 5 inelastic yarn 6th circuit board 7th Hook area of the compound needle (3) 8th Guide means of the board (6) 9 Needle shaft of compound needle (3) 10 Hold-down means 11 Edge section on the board (6) 12th Edge section on the board (6) 13 Edge on the board (6) which forms the hold-down means (10) 14th additional board 15th hook 16 Slider L. Longitudinal direction Q Transverse direction H Height direction

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
EP19180536.5A 2019-06-17 2019-06-17 Procédé et dispositif de tricotage destiné à vaniser sur un métier à tricotage circulaire équipé d'aiguilles à coulisse Active EP3754077B1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
PT191805365T PT3754077T (pt) 2019-06-17 2019-06-17 Processo e dispositivo de tricotagem para vanisagem numa máquina de tricotagem circular equipada com agulhas compostas
EP19180536.5A EP3754077B1 (fr) 2019-06-17 2019-06-17 Procédé et dispositif de tricotage destiné à vaniser sur un métier à tricotage circulaire équipé d'aiguilles à coulisse
TW109112460A TWI843842B (zh) 2019-06-17 2020-04-14 在裝設複合針的圓針織機上添紗的方法及針織裝置
CN202080044478.8A CN113950546B (zh) 2019-06-17 2020-05-28 用于在装配有复合针的圆形针织机上添纱的方法和针织装置
PCT/EP2020/064922 WO2020254089A1 (fr) 2019-06-17 2020-05-28 Procédé et métier à tricoter pour le vanisage sur un métier à tricoter circulaire pourvu d'aiguilles à coulisse
JP2021575039A JP7499792B2 (ja) 2019-06-17 2020-05-28 丸編み機において複合針でプレーティングを行う方法及び編み機
US17/619,965 US11725313B2 (en) 2019-06-17 2020-05-28 Method and knitting device for plating on a circular knitting machine equipped with compound needles
KR1020217041137A KR20220024058A (ko) 2019-06-17 2020-05-28 복합 바늘이 장착된 환편기에서 플레이팅하는 방법 및 편직 장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19180536.5A EP3754077B1 (fr) 2019-06-17 2019-06-17 Procédé et dispositif de tricotage destiné à vaniser sur un métier à tricotage circulaire équipé d'aiguilles à coulisse

Publications (2)

Publication Number Publication Date
EP3754077A1 true EP3754077A1 (fr) 2020-12-23
EP3754077B1 EP3754077B1 (fr) 2022-11-16

Family

ID=66912693

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19180536.5A Active EP3754077B1 (fr) 2019-06-17 2019-06-17 Procédé et dispositif de tricotage destiné à vaniser sur un métier à tricotage circulaire équipé d'aiguilles à coulisse

Country Status (8)

Country Link
US (1) US11725313B2 (fr)
EP (1) EP3754077B1 (fr)
JP (1) JP7499792B2 (fr)
KR (1) KR20220024058A (fr)
CN (1) CN113950546B (fr)
PT (1) PT3754077T (fr)
TW (1) TWI843842B (fr)
WO (1) WO2020254089A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB294199A (en) * 1927-07-20 1929-12-12 Adele Hilscher Improvements in or relating to apparatus for the manufacture of irregular patterned reverse plated knitted fabrics by means of circular knitting machines
DE4131508A1 (de) 1991-09-21 1993-03-25 Terrot Strickmaschinen Gmbh Strickmaschine
DE69024050T2 (de) 1989-03-13 1996-06-20 Precision Fukuhara Works Ltd Verfahren zur Herstellung plattierter Polstrickware und Platine dafür.

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1441110A (en) * 1922-10-20 1923-01-02 Nathan Halperin Method and apparatus for producing knitted fabric
US2050962A (en) * 1935-07-26 1936-08-11 Scott & Williams Inc Sinker and method for plating and reverse plating
DE1785125B1 (de) * 1968-08-13 1971-10-14 Harry Apprich Vorrichtung zum Herstellen einer Maschenware
US5713220A (en) * 1995-07-31 1998-02-03 Nagata Seiki Kabushiki Kaisha Pile patterning mechanism for circular knitting machine and knitted article knitted by the circular knitting machine
JPH0941202A (ja) * 1995-07-31 1997-02-10 Yamamoto:Kk パイル編み部分を有する編み製品
DE19545770A1 (de) * 1995-12-07 1997-07-03 Schmidt Ursula Dorothea Durch Fadenflottungen gemusterte Plattierware und Verfahren zu deren Herstellung auf Rundstrickmaschinen
CN100395391C (zh) * 2006-03-17 2008-06-18 东华大学 大筒径单面纬编三线添纱导纱器
US10329697B2 (en) * 2015-01-19 2019-06-25 Lonati S.P.A. Circular hosiery knitting machine, particularly of the double cylinder type, with yarn finger for plated knitting
EP3290555A1 (fr) * 2016-09-02 2018-03-07 Ulrich Hofmann Aiguille pour machine à tricoter ou machine à tricoter à chaîne, machine à tricoter ou machine à tricoter à chaîne comprenant plusieures desdites aiguilles, et procédé de production desdites aiguilles
CN206477100U (zh) * 2017-01-18 2017-09-08 广东天海花边有限公司 一种单面提花大圆机的单面三线添纱三角
CN108035063A (zh) * 2018-01-17 2018-05-15 宁波慈星股份有限公司 一种用于横编机的复合针
CN108265381B (zh) * 2018-03-07 2019-07-12 石狮市宝翔针织机械有限公司 一种电脑提花圆纬机及其添纱提花工艺

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB294199A (en) * 1927-07-20 1929-12-12 Adele Hilscher Improvements in or relating to apparatus for the manufacture of irregular patterned reverse plated knitted fabrics by means of circular knitting machines
DE69024050T2 (de) 1989-03-13 1996-06-20 Precision Fukuhara Works Ltd Verfahren zur Herstellung plattierter Polstrickware und Platine dafür.
DE4131508A1 (de) 1991-09-21 1993-03-25 Terrot Strickmaschinen Gmbh Strickmaschine

Also Published As

Publication number Publication date
WO2020254089A1 (fr) 2020-12-24
PT3754077T (pt) 2022-12-30
KR20220024058A (ko) 2022-03-03
JP7499792B2 (ja) 2024-06-14
US20220205153A1 (en) 2022-06-30
CN113950546A (zh) 2022-01-18
TWI843842B (zh) 2024-06-01
TW202113185A (zh) 2021-04-01
EP3754077B1 (fr) 2022-11-16
JP2022537313A (ja) 2022-08-25
US11725313B2 (en) 2023-08-15
CN113950546B (zh) 2023-07-04

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