EP3754077B1 - Verfahren und strickvorrichtung zum plattieren auf einer mit schiebernadeln bestückten rundstrickmaschine - Google Patents

Verfahren und strickvorrichtung zum plattieren auf einer mit schiebernadeln bestückten rundstrickmaschine Download PDF

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Publication number
EP3754077B1
EP3754077B1 EP19180536.5A EP19180536A EP3754077B1 EP 3754077 B1 EP3754077 B1 EP 3754077B1 EP 19180536 A EP19180536 A EP 19180536A EP 3754077 B1 EP3754077 B1 EP 3754077B1
Authority
EP
European Patent Office
Prior art keywords
sinker
yarn
yarns
edge
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.)
Active
Application number
EP19180536.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3754077A1 (de
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/de
Priority to TW109112460A priority patent/TWI843842B/zh
Priority to KR1020217041137A priority patent/KR20220024058A/ko
Priority to PCT/EP2020/064922 priority patent/WO2020254089A1/de
Priority to JP2021575039A priority patent/JP7499792B2/ja
Priority to US17/619,965 priority patent/US11725313B2/en
Priority to CN202080044478.8A priority patent/CN113950546B/zh
Publication of EP3754077A1 publication Critical patent/EP3754077A1/de
Application granted granted Critical
Publication of EP3754077B1 publication Critical patent/EP3754077B1/de
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 plated knitted fabric with compound needles.
  • the DE69024050T2 shows a circular knitting machine with an enclosing and knocking-over sinker running diagonally downwards, which also holds a ground and plush thread during kuling.
  • the procedure disclosed is intended to eliminate the need for adjustments in the event of yarn or stitch density changes. It is also stated that compound needles can be used instead of the latch needles shown.
  • the GB294199 shows a knitting device for plating with latch needles.
  • the knitting device comprises a knock-over and enclosing sinker, on the knock-over edge of which the stitches are formed.
  • the knitting device should be able to swap over the position of two yarns that already come to rest in the hook area.
  • the knitting device has special, additional sliders that can bend the needle and tilt the knock-over and enclosing sinker by a small angle and move it further.
  • the knitting device shown is not set up to make the insertion of two yarns into the hook area of a compound needle more reliable.
  • the latch flap is understood to mean the closing movement of the latch towards the hook, through which yarns which are adjacent outside of a hook area are optionally introduced from the latch into the hook area.
  • compound needles are therefore not used to produce plated knitwear.
  • the DE4131508A1 shows, among other things, the production of a plush knit with compound needles and insert sliders.
  • the insertion slider is intended to enclose the two yarns in an insertion area and serves as a knock-over edge at least for the plush thread.
  • plated knitwear is to be understood in particular as meaning knitwear that has no handles that protrude beyond the surface of the basic knitted fabric. Knitwear with such protruding handles is referred to as plush.
  • 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-over edge, which is immovably arranged on a cylinder and extends in a longitudinal direction and a transverse direction, so that the sinker, by means of a guide means for separately guiding the yarns, is used to guide at least one of the yarns further in the direction of the needle shank of a compound needle in inserts the hook portion of the compound needle, keeping the yarns separated in the process.
  • the sinker moves parallel in the longitudinal direction and vertically in the height direction, which is perpendicular to the longitudinal and transverse direction, to the knock-over 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 placed in the hook area of a compound needle.
  • the sinker preferably follows the yarn at least in sections or at least until the yarns are securely caught by the hook of the compound needle.
  • the subsequent movement is to be understood in such a way that the sinkers move on a path, so that the guide means arranged on the sinker moves at least temporarily along a path which corresponds to the path of at least one of the yarns or at least closely approximates it.
  • a thread guide is arranged in a stationary manner in the machine.
  • the yarns run from their last deflection point on the thread guide, at least mostly diagonally downwards to the point where the stitch formation takes place.
  • the web on which the yarns run diagonally downwards and are replenished 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 carry out an expulsion and retraction movement in a direction parallel to the cylinder axis in order to catch the yarns with their hooks as they slide past.
  • the sinkers perform at least one propulsion movement designed in such a way that the path of movement of the guide means of the sinkers follows the path of at least one of the yarns running diagonally downwards and the path of movement 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 stitch-forming point, but points at the first contact position with the guiding 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 be understood in particular as a knitting process in which at least one elastic yarn and at least one inelastic yarn are used in order to produce a very stretchable knitted fabric, in particular for the sports sector.
  • the formation of a plush knit is not the subject of the present invention. as cotton is considered an inelastic yarn, for example, 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 partly bounded by the inside of the hook and the top of the needle shaft and partly by an imaginary line running from the point of the hook of the needle, parallel to the direction of movement of the needle, to the upper edge of the needle needle shaft is running.
  • a needle can catch a yarn arranged in this space with its hook during its withdrawal movement and form a stitch.
  • the knock-off edge extends in a longitudinal direction and in a transverse direction. In the longitudinal direction, the knock-off edge has a greater extent than in the transverse direction.
  • the knock-off edge can be designed in one piece with the cylinder or else designed as a separate component and immovably connected to the cylinder.
  • the follow-up movement can be linear or pivoting, i.e. curved. Combinations of these can also be advantageous.
  • the sinker moves back in the longitudinal and vertical direction so as not to touch any yarn when the stitches are cast off.
  • Such a movement is not possible, particularly when forming a plush, since the plush stitch has to be held by the sinker when knitting.
  • This additional period of time, in which the sinker can perform movements allows a flexible movement of the sinkers compared to pile formation with sinkers and, for example, the sinker can be pulled back prematurely in order to make it easier or at least not to hinder the knocking off of the stitch.
  • the sinker can be withdrawn during kuling or already withdrawn since contact with the yarns is not required to form a plush stitch.
  • a hold-down means can be retracted, that is, put into operation. Hold down is also often referred to as containment. Boards that perform the hold down or containment function are accordingly often referred to as containment boards.
  • the need to hold down the stitch results from the fact that the stitch that would otherwise be carried along by the needle when it is driven out produces an uneven stitch pattern. The entrainment based on friction does not take place evenly.
  • the holding-down means can be on the circuit board or on another circuit board be arranged. The retraction of the holding-down means can be completed when the compound needle begins to take the stitch hanging on the compound needle with it as it ejects.
  • 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, ie no longer have any contact with yarns. If it is arranged on an additional sinker, 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. By arranging an additional sinker in the knitting system, the sinker, which 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 coordinated even better 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-over edge
  • the knitting device 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 separately guiding the at least two yarns.
  • the sinker is movably arranged relative to the knock-over edge in a parallel longitudinal direction and in a vertical vertical direction, which is perpendicular to the longitudinal and transverse direction, to move at least one yarn further with a movement following the yarn in the direction of the needle shank in the hook region of the compound needle by means of the guide means to be introduced and kept separate from the at least one other yarn (4, 5).
  • the knitting device preferably has at least one elastic yarn and at least one inelastic yarn.
  • the arrangement according to the invention of a sinker with a guide means securely catches all of the yarns by the hook and, on the other hand, maintains the required sequence or position in relation to one or the other.
  • the following movement does not cause the elastic yarn in particular to be unnecessarily deflected from its path, so that there is no undesired swinging.
  • the required sequence of the yarns is thus maintained even more reliably, even at high production speeds.
  • the guide means on the board can be formed by an end edge of the at least one board.
  • the edge at the end can have edge sections that are parallel to the vertical direction.
  • rises and/or depressions can be arranged between the edge sections, which guide the yarns and/or keep them separated.
  • 3 or more yarns can also be introduced through the sinker into the hook area and kept separate.
  • the at least one board may include hold down means formed by an edge of the at least one board.
  • the edge which can form the hold-down means of the at least one blank, can run parallel to the knock-off edge when the at least one blank is in the advanced state.
  • the hold-down means can be formed on at least one additional board.
  • the additional sinker can be arranged to be movable in the longitudinal direction from the outside or from the inside via 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 stitch-forming process.
  • the compound needle 3 has knocked off a stitch and has already started the budding movement.
  • the board 6 is in the maximum retracted position.
  • an elastic yarn 4 and an inelastic yarn 5 are accommodated, which have just before been knitted to a certain stitch length.
  • the inelastic yarn 5 lies below the elastic yarn 4 and still touches the knock-over 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 slider 16.
  • the circuit board 6 includes at her in the figure 1 left end a guide area 8, on which two parallel to the longitudinal direction L edge sections 11 and 12 are given as an example. With the parallel to the longitudinal direction L edge portions 11 and 12 are in the figure 1 Board 6 shown formed two depressions, which are each limited by an increase.
  • a hold-down means 10 which is formed by an edge of the plate 6 pointing downwards in the vertical direction H.
  • the longitudinal direction L, the vertical direction H and the transverse direction Q are symbolized by a coordinate system.
  • the Figures 2 to 8 show the knitting system 1 of the 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.
  • the compound needle 3 has continued its expulsion movement, so that the yarns 4 and 5 are no longer held down by the hook 15 on the knock-over edge 2.
  • the sinker 6 is advanced in order to hold down the yarns 4 and 5 with its edge 13 before they are taken up by the compound needle 3 .
  • the compound needle 3 has ended its ejection movement and has reached its upper maximum position.
  • Yarns 4 and 5 have the hook area of compound needle 3 leave and are held down by the edge 13 of the board 6.
  • the yarns 4 and 5 have overcome the jaw rise of the needle 3 so that the slider 16 can close the hook area 7 so that the yarns 4 and 5 can be knocked off via the slider 16 and the hook 15.
  • FIG 9 a modified knitting system 1 according to the invention is shown with an additional sinker 14, which can engage in the longitudinal direction L from the outside over the hook area 7 of the compound needle 3.
  • FIG 10 shows a further modified knitting system 1 according to the invention with an additional sinker 14, which can engage in the longitudinal direction L from the inside over the hook area 7 of the compound needle 3.
  • Compound needle hook area (3) 8th Board guiding means (6) 9 needle shaft of compound needle (3) 10 holding means 11 edge section on the circuit board (6) 12 edge section on the circuit board (6) 13 Edge on the board (6) which forms the hold-down means (10).
  • 14 additional circuit board 15 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 Verfahren und strickvorrichtung zum plattieren auf einer mit schiebernadeln bestückten rundstrickmaschine Active EP3754077B1 (de)

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 (de) 2019-06-17 2019-06-17 Verfahren und strickvorrichtung zum plattieren auf einer mit schiebernadeln bestückten rundstrickmaschine
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
PCT/EP2020/064922 WO2020254089A1 (de) 2019-06-17 2020-05-28 Verfahren und strickvorrichtung zum plattieren auf einer mit schiebernadeln bestückten rundstrickmaschine
KR1020217041137A KR20220024058A (ko) 2019-06-17 2020-05-28 복합 바늘이 장착된 환편기에서 플레이팅하는 방법 및 편직 장치
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
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

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19180536.5A EP3754077B1 (de) 2019-06-17 2019-06-17 Verfahren und strickvorrichtung zum plattieren auf einer mit schiebernadeln bestückten rundstrickmaschine

Publications (2)

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

Family

ID=66912693

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19180536.5A Active EP3754077B1 (de) 2019-06-17 2019-06-17 Verfahren und strickvorrichtung zum plattieren auf einer mit schiebernadeln bestückten rundstrickmaschine

Country Status (7)

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

Family Cites Families (14)

* 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
FR200727A (zh) * 1927-07-20
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
JP2767273B2 (ja) 1989-03-13 1998-06-18 株式会社福原精機製作所 プレーティングパイル編地の製造方法およびこれに使用するシンカー
DE4131508C2 (de) 1991-09-21 2002-04-18 Terrot Strickmaschinen Gmbh Strickmaschine
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
UA121877C2 (uk) * 2015-01-19 2020-08-10 Лонаті С.П.А. Круглов'язальна машина для виготовлення панчішно-шкарпеткових виробів, зокрема, двоциліндрового типу, споряджена нитководієм платованого в'язання
EP3290555A1 (de) 2016-09-02 2018-03-07 Ulrich Hofmann Nadel zur maschenbildung an einer strick- oder kettenwirkmaschine, strick- oder kettenwirkmaschine mit mehreren solcher nadeln und verfahren zur herstellung einer solchen nadel
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
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

Also Published As

Publication number Publication date
PT3754077T (pt) 2022-12-30
US20220205153A1 (en) 2022-06-30
JP7499792B2 (ja) 2024-06-14
KR20220024058A (ko) 2022-03-03
EP3754077A1 (de) 2020-12-23
US11725313B2 (en) 2023-08-15
CN113950546A (zh) 2022-01-18
WO2020254089A1 (de) 2020-12-24
TW202113185A (zh) 2021-04-01
JP2022537313A (ja) 2022-08-25
CN113950546B (zh) 2023-07-04

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