EP0059919A1 - Métier à tricoter - Google Patents

Métier à tricoter Download PDF

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Publication number
EP0059919A1
EP0059919A1 EP82101581A EP82101581A EP0059919A1 EP 0059919 A1 EP0059919 A1 EP 0059919A1 EP 82101581 A EP82101581 A EP 82101581A EP 82101581 A EP82101581 A EP 82101581A EP 0059919 A1 EP0059919 A1 EP 0059919A1
Authority
EP
European Patent Office
Prior art keywords
needle
knitting machine
needle carrier
needles
lock
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
EP82101581A
Other languages
German (de)
English (en)
Other versions
EP0059919B1 (fr
Inventor
Alfred Buck
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.)
Memminger IRO GmbH
Original Assignee
Memminger IRO GmbH
Memminger 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 Memminger IRO GmbH, Memminger GmbH filed Critical Memminger IRO GmbH
Publication of EP0059919A1 publication Critical patent/EP0059919A1/fr
Application granted granted Critical
Publication of EP0059919B1 publication Critical patent/EP0059919B1/fr
Expired legal-status Critical Current

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Classifications

    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04BKNITTING
    • D04B15/00Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/06Sinkers

Definitions

  • the invention relates to a knitting machine with a needle carrier controlled with parallel guided, displaceable in the longitudinal direction and by a needle cam curve needles is fitted between the controlled by a sinker cam curve, the N adel beam edge border and in each case a platinum shaft having boards extend transversely to the needles as well as in the longitudinal direction are movably mounted and controlled in such a way that they are moved at the respective knitting point after inclusion against the pulling-off movement of the assigned needles and transversely to them outwards and after the stitch has been knocked off against the needle output movement as well as transversely to this.
  • a circular knitting machine of this type is known from DE-OS 2 0 25 144.
  • the fact that the sinkers are moved against the needle pulling movement after the inclusion, ie during the actual stitch formation process, means that the distance covered by the needles during the pulling movement is correspondingly smaller, so that the needle lock curve can be made less steep. On the other hand, this allows the knitting speed to be increased significantly without excessive needle loading being associated therewith.
  • the transverse movement of the sinkers with respect to the assigned needles after the inclusion serves to
  • the sinkers each provided with a sinker shaft are supported with their sinker shaft on a sinker lock curve which is arranged outside a sinker ring screwed to the needle cylinder.
  • the circuit board ring is provided with a horizontal flange in which radial slots are formed, in which the individual circuit boards are guided in a radially movable manner.
  • the radial movement transverse to the needles is controlled by a special design of the sinker lock curve, which simultaneously controls the sinker ejection, and which is assigned a drive-in control curve for the sinkers arranged on a pot-like, stationary machine head that overlaps the flange of the sinker ring.
  • this circular knitting machine is relatively complicated and requires, inter alia, that the needles inserted into the guide grooves of the needle cylinder are not on the outside. are surrounded only by the circuit board ring, but also by the circuit board lock curve and the circuit board shafts.
  • the circuit board control curve controlling two movements is relatively complicated, while on the other hand a certain minimum value of the needle pitch cannot be undershot, because otherwise a perfect position tion of the boards in the slots of the flange of the board ring is no longer possible.
  • the object of the invention is to provide a knitting machine with longitudinally and transversely to the needle movement movable boards, which is characterized by a simple, reliable construction in that it allows to achieve a very fine needle pitch and can work at high speed at the same time.
  • the knitting machine mentioned at the outset is characterized according to the invention in that the sinkers are guided with their shafts to form guide webs for the respectively adjacent needle shafts on the needle carrier and an expulsion lock which gives the sinkers the transverse movement to the needles is arranged directly on the needle carrier .
  • the sinker shafts directly form the guide webs for the needle shafts results in a very fine needle pitch, the lowest value of which is only due to the thickness of the sinkers.
  • the needles and the sinkers are easily accessible after the usual removal of the lock, while a sinker ring is completely omitted in circular knitting machines, so that a very simple and user-friendly construction results.
  • the arrangement of the drive-out lock of the sinkers directly on the needle carrier further simplifies the structural conditions and allows to dispense with complicated curved surfaces for this drive lock, so that it is easy to manufacture.
  • the circuit boards each engage in a circuit board lock curve with a foot arranged on the circuit board shaft forming circuit board lock channel, which is arranged following the needle carrier and thus controls the movement of the boards in opposite and opposite directions to the needle movement.
  • the drive lock can have a curved surface arranged on the needle carrier base / extending along the length of the needle carrier, which can be scanned by a nose on the shaft of each plate.
  • the curved surface can be an inclined surface which is formed directly on the needle carrier and can be widened outward towards the needle carrier edge and which can be produced very easily with high accuracy on the needle carrier during manufacture.
  • the needle shafts In principle, it is possible to store the needle shafts directly on the surface of the needle carrier between the sinker shafts. In order to improve the guidance of the needle shafts and to reduce wear, it is advantageous if the needle shafts are mounted radially on guide webs inserted into the needle carrier, between which the sinker shafts are laterally guided.
  • the guide bars therefore have two functions: on the one hand they guide the board shafts laterally and on the other they form the raceways for the needle shafts.
  • the sinker shafts are designed to protrude a predetermined amount beyond the needle shafts in the radial direction, so that the needle shafts are securely guided over their entire radial extent.
  • the sinkers and / or their shafts in the region of the expulsion lock are pressed radially inward towards the needle carrier base by spring force. This prevents the needle heads from being carried along with the outward movement of the boards and the subsequent part of the needle the shaft is lifted from the assigned guide web, if necessary, the arrangement may be such that the needle shafts are pressed into the area between the needle carrier edge and the expulsion lock also by spring force radially inwardly on the N needle carrier base.
  • the movement of the sinker can be controlled in such a way that a needle lock curve for the needles results from continuously curved sinusoidal arc pieces which merge seamlessly into one another, thus reducing the needle load to a minimum and at the same time keeping blows and vibrations away from the needles.
  • the circuit board lock curve can consist of contiguously curved arcs, so that no abrupt movements triggering vibrations and high mass acceleration forces occur even in the circuit board control.
  • the knitting machine can be operated with only one row of needles in the needle carrier, i.e. be designed as a single-speed machine, but the idea of the invention can of course also be applied to a two-speed knitting machine.
  • Such a machine is then designed with a second row of needles arranged in a second needle carrier, between the needles of which there are also circuit boards which are designed and controlled in accordance with the circuit boards of the first needle carrier.
  • the knitting machine according to the invention can be both a flat and a circular knitting machine, the needle carrier in one case being a needle bed and in the other case being a needle cylinder or a dial.
  • the needle carrier in one case being a needle bed and in the other case being a needle cylinder or a dial.
  • the needle cylinder 1 of a circular knitting machine is equipped on its circumference with latch needles 2, which are mounted so as to be longitudinally displaceable parallel to one another.
  • the latch needles 2 have 3 feet 4 on their needle shafts, dE in a needle lock channel 5 forming a needle lock curve engage the lock cylinder 6 surrounding the needle cylinder 1, which is constructed in several parts in a manner known per se, but this is not shown in detail.
  • a relative rotary movement is generated between the lock jacket 6 and the needle cylinder 1, so that the needle lock channel 5 gives the latch needles 2 the expulsion and retraction movement required for the knitting process.
  • a plate 7 is arranged between two latch needles 2, which overlaps the needle cylinder edge 8 and has a plate nose 9 as well as a throat 10 and a wedge edge 11.
  • Each board 7 is provided with a board shaft 12 with which it is guided on the needle cylinder 1 lying directly between the shafts 3 of adjacent latch needles 2.
  • guide webs 13 are inserted radially into the needle cylinder 1 and consist of a wear-resistant material which results in a good friction pairing with the needle shafts 3 and the board shafts 12.
  • the guide webs 13 are arranged at a distance from the needle pitch and directly form the radial support and running surface for the needle shafts 3.
  • each platinum shaft 12 is provided with a foot 14 which fits into one on the lock jacket 6 formed circuit board lock channel 15 and is controlled by this such that the boards 7 is given a movement opposite to the needle movement, as will be explained in more detail.
  • a sinker drive lock is provided, which is in the form of an inclined surface 16 which is screwed directly onto the needle cylinder 1 and which widens outwards towards the needle cylinder edge 8 and on which the sinkers 7 are each attached to their shank 12 molded nose 17 are supported.
  • the drive lock 16, in the manner shown in FIGS. 5, 6, causes the sinkers 12 to be moved radially outward with respect to the latch needles 2 when the sinker shafts 12 are driven out by the sinker lock channel 15.
  • the sinker shafts 12 are in the area of the drive lock 16 under the action of a spring force directed radially inwards towards the needle cylinder base, which is generated by two continuous tension springs 18 running all around which are supported laterally against projections 19 formed on the board shafts 12.
  • the sinker shafts 12 protrude in the radial direction by a predetermined amount beyond the needle shafts 3 in the manner shown in FIG. 2, so that the needle shafts 3 can carry out their movement unaffected by the springs 18.
  • the needle shafts 3 In order to prevent the needle shafts 3 from being carried along in the area of the needle heads during the radial outward movement of the plates 7, they are pressed radially onto the guide webs 13 in the area between the drive lock 16 and the needle cylinder edge 8 by the spring force exerted by a circumferential spring 20
  • the sinker shafts 12 are formed with an open groove 21, which ensures that the radial mobility of the sinkers 7 is not hindered by the spring 20.
  • the latch needle 2, controlled by the needle lock channel 5 goes down, while the circuit board 7, controlled by the board lock channel 15, performs an opposite movement, i.e. is driven out.
  • the nose 17 runs onto the inclined surface of the drive-out lock 16, whereby the board 7 radially outwards in the direction of an arrow 23, i.e. is moved across the needles 2. This transverse movement causes the knitted fabric 11 to be released from the nose 9 and the throat 10 of the plate 7 (exclusion position). This radial movement of the individual adjacent plates 7 is illustrated in FIG. 4 for a knitting point.
  • the needle lock curve consists of seamless, continuously curved, sinusoidal arc pieces, which ensures that no abrupt impacts or vibrations are transmitted to the latch needles 2.
  • Fig. 8 shows that the blank lock curve also consists of adjoining, continuously curved arches 24 which are connected to each other at 25 by arcs with a smaller radius of curvature.
  • the boards 7 therefore also experience a relatively smooth, jerk-free movement.
  • the sinkers and the needle lock curve result in a very high working speed of the knitting machine when the needles and sinkers are subjected to little stress.
  • the exemplary embodiment described is a single-font machine that is only equipped with latch needles 2 and sinkers 7 in the needle cylinder 1. Basically, it is also possible to build a two-speed machine according to the same principle. In this machine there is then only an additional dial that carries the second row of needles, and between the individual needles of this row of needles there are in turn the same-shaped plates 7, which are controlled in their expulsion movement by a plate lock channel provided in the rib lock and one of which on the The lock is assigned to the drive lock corresponding to the drive lock 16, by means of which it is moved with its lugs 17 in the manner described transversely to the sinker needles.
  • the invention can also be implemented in the form of a flat knitting machine in a single-bed or two-bed design.
  • the needle bed is used as the needle carrier instead of the needle cylinder.
  • the sinkers 7 designed as a sinker sinker also permit the production of handle plush, in which case different handle lengths can be achieved by using different sinker sinkers set up for the respective handle length.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
EP82101581A 1981-03-03 1982-03-02 Métier à tricoter Expired EP0059919B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3108041A DE3108041C2 (de) 1981-03-03 1981-03-03 Strickmaschine
DE3108041 1981-03-03

Publications (2)

Publication Number Publication Date
EP0059919A1 true EP0059919A1 (fr) 1982-09-15
EP0059919B1 EP0059919B1 (fr) 1984-12-27

Family

ID=6126237

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82101581A Expired EP0059919B1 (fr) 1981-03-03 1982-03-02 Métier à tricoter

Country Status (10)

Country Link
US (1) US4532781A (fr)
EP (1) EP0059919B1 (fr)
JP (1) JPS58500175A (fr)
CS (1) CS237329B2 (fr)
DD (1) DD202190A5 (fr)
DE (1) DE3108041C2 (fr)
ES (1) ES8303567A1 (fr)
SU (1) SU1144622A3 (fr)
UA (1) UA7211A1 (fr)
WO (1) WO1982003096A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2563543A1 (fr) * 1984-04-27 1985-10-31 Textima Veb K Machine a tricoter circulaire a plusieurs systemes, en particulier machine a tricoter circulaire r/l
EP0325551A1 (fr) * 1988-01-13 1989-07-26 Jumberca, S.A. Dispositif pour positionner un fil près d'une aiguille sur un métier à tisser
FR2639659A1 (fr) * 1988-11-29 1990-06-01 Lu Sa Ho Procede de tricotage

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3246512C2 (de) * 1982-12-16 1985-02-21 Memminger Gmbh, 7290 Freudenstadt Strickmaschine
DE3247767C2 (de) * 1982-12-23 1985-06-20 Memminger Gmbh, 7290 Freudenstadt Verfahren zum Herstellen einer gestrickten oder gewirkten Maschenware und zur Durchführung dieses Verfahrens eingerichtete Strickmaschine
DE3348030C2 (de) * 1983-03-29 1986-10-09 SIPRA Patententwicklungs- und Beteiligungsgesellschaft mbH, 7470 Albstadt Strickmaschine zur Herstellung von Maschenware
DE3311361C2 (de) * 1983-03-29 1986-07-24 SIPRA Patententwicklungs- und Beteiligungsgesellschaft mbH, 7470 Albstadt Strickmaschine zur Herstellung von Maschenware
DE3321385A1 (de) * 1983-06-14 1984-12-20 Terrot Strickmaschinen GmbH, 7000 Stuttgart Maschenbildende maschine
DE3330530C1 (de) * 1983-08-24 1985-03-28 Memminger Gmbh, 7290 Freudenstadt Strickmaschine mit wenigstens einem Nadeltraeger
GB2182357B (en) * 1984-01-09 1988-08-10 Annedeen Hosiery Mill Inc Circular weft knitting method
DE3433290C2 (de) * 1984-09-11 1986-09-18 SIPRA Patententwicklungs- und Beteiligungsgesellschaft mbH, 7470 Albstadt Strickmaschine
DE3510054C1 (de) * 1985-03-20 1986-10-09 Memminger Gmbh, 7290 Freudenstadt Strickmaschine mit wenigstens einem Nadeltraeger
DE3540685C1 (de) * 1985-11-16 1986-10-09 SIPRA Patententwicklungs- und Beteiligungsgesellschaft mbH, 7470 Albstadt Strickmaschine
DE3716711A1 (de) * 1987-05-19 1988-12-08 Memminger Gmbh Strickmaschine mit wenigstens einem nadeltraeger
DE3812240A1 (de) * 1988-04-13 1989-10-26 Alfred Buck Steuerungs- und fuehrungseinrichtung, inbesondere fuer einschliess- und abschlagplatinen bei maschenbildenden textilmaschinen sowie einschliess- und abschlagplatine fuer solche textilmaschinen
DE68916487T2 (de) * 1988-07-20 1995-01-26 Precision Fukuhara Works Ltd Rundstrickmaschine zum Stricken eines Tuches.
US6176107B1 (en) * 1999-05-27 2001-01-23 Monarch Knitting Machinery Corp. Circular knitting machine with replaceable member for restricting vertical movement of sinkers
DE10015730B4 (de) * 2000-03-29 2012-09-13 Sipra Patententwicklungs- Und Beteiligungsgesellschaft Mbh Platine für eine insbesondere nach der Relativtechnik arbeitende Strickmaschine und mit einer derartigen Platine ausgerüstete Strickmaschine
KR100529026B1 (ko) * 2002-02-18 2005-11-16 김진수 양말편직기용 니들 실린더의 통살
EP1988198B1 (fr) * 2007-05-03 2010-03-03 Groz-Beckert KG Ensemble d'outils et barre pour machine à tricoter de type chaîne
EP2130960B1 (fr) 2008-06-04 2010-12-01 Groz-Beckert KG Système de tricotage avec une platine d'abattage entraînée par une aiguille
KR101247279B1 (ko) 2011-07-28 2013-03-25 삼에스기계(주) 환편기용 실린더의 통살구조 및 그 열처리방법
RU2493301C2 (ru) * 2011-09-16 2013-09-20 Пай Лун Машинери Милл Ко., Лтд. Устройство фонтуры плосковязальной машины
CN105483924B (zh) * 2016-01-04 2023-03-21 经纬智能纺织机械有限公司 一种控制沉降片开合的装置及其全自动电脑横机
EP3418434B1 (fr) * 2017-06-19 2019-05-01 Groz-Beckert KG Outil de machine à tricoter, en particulier aiguille à tricoter de machine à tricoter
US11313058B2 (en) * 2019-02-27 2022-04-26 Pai Lung Machinery Mill Co., Ltd. Flat knitting machine structure with adjustable gap between two knock-over bits
US20230001392A1 (en) 2019-12-06 2023-01-05 University Of South Carolina Steel mesh based catalyst with superior mechanical stability / magnetic separability

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3837185A (en) * 1970-01-16 1974-09-24 I Musil Method and apparatus for forming loops in circular knitting machines
DE2408924A1 (de) * 1974-02-25 1975-08-28 Alfred Buck Verfahren und vorrichtung zum herstellen von maschenwaren
DE2430824A1 (de) * 1974-06-27 1976-01-08 Harry Apprich Vorrichtung zur herstellung einer maschenware
US4037434A (en) * 1976-03-26 1977-07-26 The Singer Company Closed cam track for a circular knitting machine

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DE342525C (fr) *
US575012A (en) * 1897-01-12 George frederick sturgess
US492539A (en) * 1893-02-28 Erick buckhalter and victor driesbach
US1726255A (en) * 1929-08-27 Multiple band needle holdinq device for knitting machines
FR7188E (fr) * 1907-06-01 G Lebocey & Fils Soc Métier circulaire à chutes multiples
GB189319814A (en) * 1893-10-21 1894-09-01 William Ingram James Improvements in Circular Knitting Machines.
GB189420835A (en) * 1894-10-31 1895-10-31 George Frederick Sturgess A Needle for Knitting Machines, its Manufacture and Application, and a New Method of Building Knitted Loops.
US1882430A (en) * 1928-12-26 1932-10-11 Hemphill Co Knitting stitch measuring mechanism and process
US1952928A (en) * 1929-12-21 1934-03-27 Hemphill Co Knitting machine and method
US2101005A (en) * 1930-03-20 1937-11-30 Hemphill Co Knitting machine
FR736507A (fr) * 1931-08-07 1932-11-24 Corps en forme de cordon avec enveloppe tubulaire tricotée, notamment conducteur (câble) à enveloppe tricotée, et dispositifs pour sa fabrication
US2090500A (en) * 1934-11-24 1937-08-17 Hemphill Co Method of knitting
DE2025144A1 (en) * 1969-05-23 1970-12-23 High-speed knitting machine
DE2047401A1 (en) * 1970-09-26 1972-03-30 Bauder, Rolf, Dipl Ing , 7411 Reut hngen Betzingen, Schach, Wolfgang, Dipl Ing, 7410 Reutlingen Circular knitting machine - for knitting pile fabrics
DE2460868A1 (de) * 1974-12-21 1976-07-01 Harry Apprich Gewirkte oder gestrickte, nach der kuliertechnik aus mehreren faeden hergestellte maschenware
DE2642079A1 (de) * 1976-09-18 1978-03-23 Harry Apprich Lageranordnung fuer schieber am nadelzylinder einer strickmaschine
CS203670B1 (en) * 1979-01-04 1981-03-31 Otokar Chladek Stitch building method and circular knitting frame for carrying out this method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3837185A (en) * 1970-01-16 1974-09-24 I Musil Method and apparatus for forming loops in circular knitting machines
DE2408924A1 (de) * 1974-02-25 1975-08-28 Alfred Buck Verfahren und vorrichtung zum herstellen von maschenwaren
DE2430824A1 (de) * 1974-06-27 1976-01-08 Harry Apprich Vorrichtung zur herstellung einer maschenware
US4037434A (en) * 1976-03-26 1977-07-26 The Singer Company Closed cam track for a circular knitting machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2563543A1 (fr) * 1984-04-27 1985-10-31 Textima Veb K Machine a tricoter circulaire a plusieurs systemes, en particulier machine a tricoter circulaire r/l
EP0325551A1 (fr) * 1988-01-13 1989-07-26 Jumberca, S.A. Dispositif pour positionner un fil près d'une aiguille sur un métier à tisser
FR2639659A1 (fr) * 1988-11-29 1990-06-01 Lu Sa Ho Procede de tricotage

Also Published As

Publication number Publication date
ES510049A0 (es) 1983-02-01
JPS58500175A (ja) 1983-02-03
JPH0213058B2 (fr) 1990-04-03
WO1982003096A1 (fr) 1982-09-16
US4532781A (en) 1985-08-06
CS237329B2 (en) 1985-07-16
CS144682A2 (en) 1984-12-14
DE3108041C2 (de) 1985-01-31
ES8303567A1 (es) 1983-02-01
SU1144622A3 (ru) 1985-03-07
EP0059919B1 (fr) 1984-12-27
DE3108041A1 (de) 1982-09-16
DD202190A5 (de) 1983-08-31
UA7211A1 (uk) 1995-06-30

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