EP2767626A1 - Knitting needle for flat knitting machine - Google Patents

Knitting needle for flat knitting machine Download PDF

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Publication number
EP2767626A1
EP2767626A1 EP14151077.6A EP14151077A EP2767626A1 EP 2767626 A1 EP2767626 A1 EP 2767626A1 EP 14151077 A EP14151077 A EP 14151077A EP 2767626 A1 EP2767626 A1 EP 2767626A1
Authority
EP
European Patent Office
Prior art keywords
needle
knitting
groove
jack
jacks
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
EP14151077.6A
Other languages
German (de)
French (fr)
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EP2767626B1 (en
Inventor
Pingfan Sun
Frank Jeanbourquin
Yunpeng Gao
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.)
Ningbo Cixing Co Ltd
Original Assignee
Ningbo Cixing Co Ltd
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Publication date
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Publication of EP2767626A1 publication Critical patent/EP2767626A1/en
Application granted granted Critical
Publication of EP2767626B1 publication Critical patent/EP2767626B1/en
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Classifications

    • 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

Definitions

  • the present invention belongs to the technical field of knitting machinery, in particular to a knitting needle for a flat knitting machine.
  • Flat knitting machine is a machine that achieves looped weaving by the combination of yarns and knitting needles in such a manner that the head of the flat knitting machine drives yarns to perform a back-and-forth translation motion on a knitting needle-filled needle bed.
  • Multiple types of knitting needles are required to achieve weaving, and among these knitting needles, the most common ones are major needle and latch needle.
  • the latch needle in the prior art is provided with a rotatable needle latch on the needle rod, and such actions as turning and clearing are accomplished by the combination of yarns and knitting needles through opening and closing of the needle latch.
  • the latch needle is small in size and high in precision requirement and also needs to be equipped with a rotating component, which obviously results in quite high requirement on processing precision, as a result, the cost of the latch needle is high, and the defective and failure rates are also high.
  • an object of the present invention is to provide a knitting needle that can take the place of the latch needle.
  • a knitting needle for a flat knitting machine is characterized in that: the knitting needle consists of two identical needle jacks, i.e. left needle jack and right needle jack; the needle jacks are flaky, a plurality of gauges are arranged between the two needle jacks, and the two needle jacks are integrally fixed by a plurality of connecting pins; the needle jack comprises a head and a main body, and the gauges and the connecting pins are located on the main body; the head of the needle jack is provided with a pointed front end, the part behind the front end is recessed downwards to form a first groove, the first groove is extended backwards and protruded upwards to form a needle ear in the shape of an acute angle, and the needle ear is extended backwards and recessed downwards to form a second groove; the second groove is smaller than the first groove; and the thickness of the needle ear is smaller than those of the other parts of the needle jack.
  • the working process of the knitting needle of the present invention is as follows: when clearing is needed, a loop is already formed on a major needle, the major needle is pushed by a cam to move upwards to hook a new yarn in order to prepare for another looping, meanwhile, the knitting needle of the present invention is moved downwards and reset in a major needle clamping groove before the formed loop; at this moment, the formed loop is moved downwards in relation to the major needle to enter a first groove of the knitting needle of the present invention, and the knitting needle of the present invention receives the formed loop; the major needle that hooks the new yarn is moved downwards, and the knitting needle of the present invention drives the formed loop to move upwards; the major needle is continuously moved downwards and the knitting needle of the present invention is continuously moved upwards to form a new loop, and simultaneously, the old loop slips off the front end of the knitting needle of the present invention.
  • the major needle that requires turning is moved upwards, and the knitting needle of the present invention is moved downwards to acquire a loop that requires turning; the major needle is moved downwards, the knitting needle of the present invention is moved upwards to drive the turning-requiring loop to reach the turning position, meanwhile, another knitting needle for needle connection is moved upwards to pass through the turning-requiring loop and enter a needle ear part of the needle jack of the opposite needle bed to wait for needle connection; the knitting needle for needle connection hooks the turning-requiring loop by a second groove thereof and keeps stationary, and the knitting needle for turning is moved downwards to leave away from the loop; and the knitting needle for needle connection hooks the turning-requiring loop and is reset near the major needle to complete turning between the front and rear needle beds.
  • the needle for turning acquires a turning-requiring loop and is moved upwards to reach the turning position; the major needle for needle connection is correspondingly moved upwards to pass through the turning-requiring loop and enter the needle ear part of the needle jack of the opposite needle bed to wait for needle connection; the major needle for needle connection hooks the turning-requiring loop and keeps stationary, and the knitting needle 1 for turning is moved downwards to leave away from the loop; and the major needle for needle connection hooks the yarn and is then reset to finish the turning process.
  • the knitting needle of the present invention can take the place of the latch needle.
  • the knitting needle of the present invention is actually hollow and is free from obstruction of the connecting pin and other components at the head thereof, so the major needle is capable of entering the space between the two needle jacks smoothly to further accomplish actions; in addition, the knitting needle of the present invention is simply structured, totally consists of fixed components, and can be obtained by the steps of manufacturing the needle jacks, the gauges and the connecting pins by means of wire cutting, stamping or other methods while machining and then assembling these components, thus the machining process is simple and convenient and low in error possibility.
  • a knitting needle 1 in this embodiment consists of two identical needle jacks 2, i.e. left needle jack and right needle jack; the needle jacks 2 are flaky, a plurality of gauges 3 are arranged between the two needle jacks, and the two needle jacks are integrally fixed by a plurality of connecting pins 4; the needle jack 2 comprises a head 21 and a main body 22, and the gauges 3 and the connecting pins 4 are located on the main body 22; the head 21 of the needle jack 2 is provided with a pointed front end 211, the part behind the front end 211 is recessed downwards to form a first groove 212, the first groove 212 is extended backwards and protruded upwards to form a needle ear 213 in the shape of an acute angle, and the needle ear 213 is extended backwards and recessed downwards to form a second groove 214; the second groove 214 is smaller than the first groove 212; and the thickness of the needle ear 213 is smaller than those
  • the working process of this embodiment is as follows: when clearing is needed, as shown in FIG.4 , FIG.5 , FIG.6 and FIG.7 , a loop 51 is already formed on a major needle 6, the major needle 6 is pushed by a cam to move upwards to hook a new yarn 52 in order to prepare for another looping, meanwhile, the knitting needle 1 in this embodiment is moved downwards and reset in a major needle clamping groove 61 before the formed loop 51; at this moment, the formed loop 51 is moved downwards in relation to the major needle 6 to enter a first groove 212 of the knitting needle 1 in this embodiment, and the knitting needle 1 in this embodiment receives the formed loop 51; the major needle 6 that hooks the new yarn 21 is moved downwards, and the knitting needle 1 in this embodiment drives the formed loop 51 to move upwards; the major needle 6 is continuously moved downwards and the knitting needle 1 in this embodiment is continuously moved upwards to form the new loop 52, and simultaneously, the old loop 51 slips off the front end 211 of the knitting needle 1 in this embodiment.
  • the major needle 6 that requires turning is moved upwards, and the knitting needle 1 in this embodiment is moved downwards to acquire a loop 53 that requires turning; the major needle 6 is moved downwards, the knitting needle 1 in this embodiment is moved upwards to drive the turning-requiring loop 53 to reach the turning position, meanwhile, another knitting needle 1' for needle connection is moved upwards to pass through the turning-requiring loop 53 and enter a needle ear 213 part of the needle jack of the opposite needle bed to wait for needle connection; the knitting needle 1' for needle connection hooks the turning-requiring loop 53 by a second groove 213 thereof and keeps stationary, and the knitting needle 1 for turning is moved downwards to leave away from the loop 53; and the knitting needle 1' for needle connection hooks the turning-requiring loop 53 and is reset near the major needle 6 to complete turning between the front and rear needle beds.
  • the needle 1 for turning acquires a turning-requiring loop 54 and is moved upwards to reach the turning position; the major needle 6' for needle connection is correspondingly moved upwards to pass through the turning-requiring loop 54 and enter the needle ear 213 part of the needle jack of the opposite needle bed to wait for needle connection; the major needle 6' for needle connection hooks the turning-requiring loop 54 and keeps stationary, and the knitting needle 1 for turning is moved downwards to leave away from the loop 54; and the major needle 6' for needle connection hooks the yarn and is then reset to finish the turning process.

Abstract

The present invention discloses a knitting needle for a flat knitting machine. The knitting needle consists of two identical needle jacks, i.e. left needle jack and right needle jack; the needle jacks are flaky, a plurality of gauges are arranged between the two needle jacks, and the two needle jacks are integrally fixed by a plurality of connecting pins; the needle jack comprises a head and a main body, and the gauges and the connecting pins are located on the main body; the head of the needle jack is provided with a pointed front end, the part behind the front end is recessed downwards to form a first groove, the first groove is extended backwards and protruded upwards to form a needle ear in the shape of an acute angle, and the needle ear is extended backwards and recessed downwards to form a second groove; the second groove is smaller than the first groove; and the thickness of the needle ear is smaller than those of the other parts of the needle jack. The knitting needle of the utility model is simply structured, totally consists of fixed components, and can be obtained by the steps of manufacturing the needle jacks, the gauges and the connecting pins by means of wire cutting, stamping or other methods while machining and then assembling these components, thus the machining process is simple and convenient and low in error possibility.

Description

    FIELD OF THE INVENTION
  • The present invention belongs to the technical field of knitting machinery, in particular to a knitting needle for a flat knitting machine.
    • BACKGROUND OF THE INVENTION
  • Flat knitting machine is a machine that achieves looped weaving by the combination of yarns and knitting needles in such a manner that the head of the flat knitting machine drives yarns to perform a back-and-forth translation motion on a knitting needle-filled needle bed. Multiple types of knitting needles are required to achieve weaving, and among these knitting needles, the most common ones are major needle and latch needle.
  • The latch needle in the prior art is provided with a rotatable needle latch on the needle rod, and such actions as turning and clearing are accomplished by the combination of yarns and knitting needles through opening and closing of the needle latch. The latch needle is small in size and high in precision requirement and also needs to be equipped with a rotating component, which obviously results in quite high requirement on processing precision, as a result, the cost of the latch needle is high, and the defective and failure rates are also high.
    • SUMMARY OF THE INVENTION
  • To solve the above problems, an object of the present invention is to provide a knitting needle that can take the place of the latch needle.
  • Accordingly, adopted in the present invention is the technical scheme below: a knitting needle for a flat knitting machine is characterized in that: the knitting needle consists of two identical needle jacks, i.e. left needle jack and right needle jack; the needle jacks are flaky, a plurality of gauges are arranged between the two needle jacks, and the two needle jacks are integrally fixed by a plurality of connecting pins; the needle jack comprises a head and a main body, and the gauges and the connecting pins are located on the main body; the head of the needle jack is provided with a pointed front end, the part behind the front end is recessed downwards to form a first groove, the first groove is extended backwards and protruded upwards to form a needle ear in the shape of an acute angle, and the needle ear is extended backwards and recessed downwards to form a second groove; the second groove is smaller than the first groove; and the thickness of the needle ear is smaller than those of the other parts of the needle jack.
  • The working process of the knitting needle of the present invention is as follows: when clearing is needed, a loop is already formed on a major needle, the major needle is pushed by a cam to move upwards to hook a new yarn in order to prepare for another looping, meanwhile, the knitting needle of the present invention is moved downwards and reset in a major needle clamping groove before the formed loop; at this moment, the formed loop is moved downwards in relation to the major needle to enter a first groove of the knitting needle of the present invention, and the knitting needle of the present invention receives the formed loop; the major needle that hooks the new yarn is moved downwards, and the knitting needle of the present invention drives the formed loop to move upwards; the major needle is continuously moved downwards and the knitting needle of the present invention is continuously moved upwards to form a new loop, and simultaneously, the old loop slips off the front end of the knitting needle of the present invention.
  • When turning between the knitting needles is needed, the major needle that requires turning is moved upwards, and the knitting needle of the present invention is moved downwards to acquire a loop that requires turning; the major needle is moved downwards, the knitting needle of the present invention is moved upwards to drive the turning-requiring loop to reach the turning position, meanwhile, another knitting needle for needle connection is moved upwards to pass through the turning-requiring loop and enter a needle ear part of the needle jack of the opposite needle bed to wait for needle connection; the knitting needle for needle connection hooks the turning-requiring loop by a second groove thereof and keeps stationary, and the knitting needle for turning is moved downwards to leave away from the loop; and the knitting needle for needle connection hooks the turning-requiring loop and is reset near the major needle to complete turning between the front and rear needle beds.
  • When turning between the knitting needle and the major needle is needed, the needle for turning acquires a turning-requiring loop and is moved upwards to reach the turning position; the major needle for needle connection is correspondingly moved upwards to pass through the turning-requiring loop and enter the needle ear part of the needle jack of the opposite needle bed to wait for needle connection; the major needle for needle connection hooks the turning-requiring loop and keeps stationary, and the knitting needle 1 for turning is moved downwards to leave away from the loop; and the major needle for needle connection hooks the yarn and is then reset to finish the turning process.
  • It is thus clear that, clearing and turning actions can be accomplished by such designs as the first groove, the second groove and the needle ear of the present invention, thus the knitting needle of the present invention can take the place of the latch needle. The knitting needle of the present invention is actually hollow and is free from obstruction of the connecting pin and other components at the head thereof, so the major needle is capable of entering the space between the two needle jacks smoothly to further accomplish actions; in addition, the knitting needle of the present invention is simply structured, totally consists of fixed components, and can be obtained by the steps of manufacturing the needle jacks, the gauges and the connecting pins by means of wire cutting, stamping or other methods while machining and then assembling these components, thus the machining process is simple and convenient and low in error possibility.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • Detailed description is further made below with reference to the accompanying drawings and the embodiments of the present invention.
    • FIG.1 is an overall view of the present invention.
    • FIG.2 is a structure view of the present invention.
    • FIG.3 is a structure view of the needle jack of the present invention.
    • FIG.4, FIG.5, FIG.6 and FIG.7 are flowcharts illustrating looping and clearing of the present invention.
    • FIG.8, FIG.9, FIG.10 and FIG.11 are flowcharts illustrating turning between the needle bushes of the present invention.
    • FIG.12, FIG.13 and FIG.14 are flowcharts illustrating turning between the needle bush and the major needle of the present invention.
    DETAILED DESCRIPTION OF THE EMBODIMENTS
  • Reference is made to the drawings. A knitting needle 1 in this embodiment consists of two identical needle jacks 2, i.e. left needle jack and right needle jack; the needle jacks 2 are flaky, a plurality of gauges 3 are arranged between the two needle jacks, and the two needle jacks are integrally fixed by a plurality of connecting pins 4; the needle jack 2 comprises a head 21 and a main body 22, and the gauges 3 and the connecting pins 4 are located on the main body 22; the head 21 of the needle jack 2 is provided with a pointed front end 211, the part behind the front end 211 is recessed downwards to form a first groove 212, the first groove 212 is extended backwards and protruded upwards to form a needle ear 213 in the shape of an acute angle, and the needle ear 213 is extended backwards and recessed downwards to form a second groove 214; the second groove 214 is smaller than the first groove 212; and the thickness of the needle ear 213 is smaller than those of the other parts of the needle jack 2.
  • The working process of this embodiment is as follows: when clearing is needed, as shown in FIG.4, FIG.5, FIG.6 and FIG.7, a loop 51 is already formed on a major needle 6, the major needle 6 is pushed by a cam to move upwards to hook a new yarn 52 in order to prepare for another looping, meanwhile, the knitting needle 1 in this embodiment is moved downwards and reset in a major needle clamping groove 61 before the formed loop 51; at this moment, the formed loop 51 is moved downwards in relation to the major needle 6 to enter a first groove 212 of the knitting needle 1 in this embodiment, and the knitting needle 1 in this embodiment receives the formed loop 51; the major needle 6 that hooks the new yarn 21 is moved downwards, and the knitting needle 1 in this embodiment drives the formed loop 51 to move upwards; the major needle 6 is continuously moved downwards and the knitting needle 1 in this embodiment is continuously moved upwards to form the new loop 52, and simultaneously, the old loop 51 slips off the front end 211 of the knitting needle 1 in this embodiment.
  • When turning between the knitting needles is needed, as shown in FIG.8, FIG.9, FIG.10 and FIG.11, the major needle 6 that requires turning is moved upwards, and the knitting needle 1 in this embodiment is moved downwards to acquire a loop 53 that requires turning; the major needle 6 is moved downwards, the knitting needle 1 in this embodiment is moved upwards to drive the turning-requiring loop 53 to reach the turning position, meanwhile, another knitting needle 1' for needle connection is moved upwards to pass through the turning-requiring loop 53 and enter a needle ear 213 part of the needle jack of the opposite needle bed to wait for needle connection; the knitting needle 1' for needle connection hooks the turning-requiring loop 53 by a second groove 213 thereof and keeps stationary, and the knitting needle 1 for turning is moved downwards to leave away from the loop 53; and the knitting needle 1' for needle connection hooks the turning-requiring loop 53 and is reset near the major needle 6 to complete turning between the front and rear needle beds.
  • When turning between the knitting needle and the major needle is needed, as shown in FIG.12, FIG.13 and FIG.14, the needle 1 for turning acquires a turning-requiring loop 54 and is moved upwards to reach the turning position; the major needle 6' for needle connection is correspondingly moved upwards to pass through the turning-requiring loop 54 and enter the needle ear 213 part of the needle jack of the opposite needle bed to wait for needle connection; the major needle 6' for needle connection hooks the turning-requiring loop 54 and keeps stationary, and the knitting needle 1 for turning is moved downwards to leave away from the loop 54; and the major needle 6' for needle connection hooks the yarn and is then reset to finish the turning process.

Claims (1)

  1. A knitting needle for a flat knitting machine, characterized in that: the knitting needle consists of two identical needle jacks, i.e. left needle jack and right needle jack; the needle jacks are flaky, a plurality of gauges are arranged between the two needle jacks, and the two needle jacks are integrally fixed by a plurality of connecting pins; the needle jack comprises a head and a main body, and the gauges and the connecting pins are located on the main body; the head of the needle jack is provided with a pointed front end, the part behind the front end is recessed downwards to form a first groove, the first groove is extended backwards and protruded upwards to form a needle ear in the shape of an acute angle, and the needle ear is extended backwards and recessed downwards to form a second groove; the second groove is smaller than the first groove; and the thickness of the needle ear is smaller than those of the other parts of the needle jack.
EP14151077.6A 2013-07-04 2014-01-14 Knitting needle for flat knitting machine Active EP2767626B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310278223XA CN103334223A (en) 2013-07-04 2013-07-04 Knitting needle for flat knitting machine

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EP2767626A1 true EP2767626A1 (en) 2014-08-20
EP2767626B1 EP2767626B1 (en) 2015-06-10

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CN (1) CN103334223A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109750413A (en) * 2019-02-28 2019-05-14 宁波慈星股份有限公司 A kind of compound needle for straight-bar machines
JP2019105011A (en) * 2017-12-14 2019-06-27 株式会社島精機製作所 Composite needle
EP3889330A1 (en) 2020-04-01 2021-10-06 Groz-Beckert KG Textile tool pair and method for equipping a textile machine

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014103261B4 (en) * 2014-03-11 2017-02-23 Hugo Kern Und Liebers Gmbh & Co. Kg Platinen- Und Federnfabrik Process for producing a thread-contacting element and thread-contacting element, in particular for knitting or knitting machines
CN109352267B (en) * 2018-10-11 2020-10-16 宁波慈星股份有限公司 Method for processing transfer needle in flat knitting machine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2112819A (en) * 1981-12-23 1983-07-27 Schieber Universal Maschf Slider needle
US5987932A (en) * 1997-05-27 1999-11-23 Atelier De Construction Steiger S.A. Slider type needle for knitting machine
EP1203838A1 (en) * 1999-05-19 2002-05-08 Shima Seiki Mfg., Ltd Compound needle
US20020112509A1 (en) * 2001-02-20 2002-08-22 Marcello Baseggio Sliding-tongue compound needle for a knitting machine

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001032154A (en) * 1999-07-15 2001-02-06 Shima Seiki Mfg Ltd Compound needle for knitting machine
WO2004057081A1 (en) * 2002-12-20 2004-07-08 Shima Seiki Manufacturing, Ltd. Compound needle
JP4348286B2 (en) * 2004-12-09 2009-10-21 株式会社島精機製作所 Flat knitting machine
JP5604509B2 (en) * 2010-03-26 2014-10-08 株式会社島精機製作所 Compound needle and flat knitting machine
JP5732316B2 (en) * 2010-06-18 2015-06-10 株式会社島精機製作所 Compound needle of flat knitting machine
JP5525344B2 (en) * 2010-06-18 2014-06-18 株式会社島精機製作所 Compound needle of flat knitting machine
JP5719544B2 (en) * 2010-08-06 2015-05-20 株式会社島精機製作所 Compound needle of flat knitting machine
CN203333962U (en) * 2013-07-04 2013-12-11 宁波慈星股份有限公司 Knitting needle used for flat knitting machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2112819A (en) * 1981-12-23 1983-07-27 Schieber Universal Maschf Slider needle
US5987932A (en) * 1997-05-27 1999-11-23 Atelier De Construction Steiger S.A. Slider type needle for knitting machine
EP1203838A1 (en) * 1999-05-19 2002-05-08 Shima Seiki Mfg., Ltd Compound needle
US20020112509A1 (en) * 2001-02-20 2002-08-22 Marcello Baseggio Sliding-tongue compound needle for a knitting machine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019105011A (en) * 2017-12-14 2019-06-27 株式会社島精機製作所 Composite needle
CN109750413A (en) * 2019-02-28 2019-05-14 宁波慈星股份有限公司 A kind of compound needle for straight-bar machines
CN109750413B (en) * 2019-02-28 2023-09-29 宁波慈星股份有限公司 Composite needle for flat knitting machine
EP3889330A1 (en) 2020-04-01 2021-10-06 Groz-Beckert KG Textile tool pair and method for equipping a textile machine
WO2021198201A1 (en) 2020-04-01 2021-10-07 Groz-Beckert Kommanditgesellschaft Textile tool part pair and method for equipping a textile machine

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Publication number Publication date
CN103334223A (en) 2013-10-02
EP2767626B1 (en) 2015-06-10

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