WO1997024481A1 - Systeme de traitement de fil - Google Patents

Systeme de traitement de fil Download PDF

Info

Publication number
WO1997024481A1
WO1997024481A1 PCT/JP1996/003531 JP9603531W WO9724481A1 WO 1997024481 A1 WO1997024481 A1 WO 1997024481A1 JP 9603531 W JP9603531 W JP 9603531W WO 9724481 A1 WO9724481 A1 WO 9724481A1
Authority
WO
WIPO (PCT)
Prior art keywords
yarn
knitting machine
section
unit
splicing
Prior art date
Application number
PCT/JP1996/003531
Other languages
English (en)
Japanese (ja)
Inventor
Hirao Otoshima
Hidetoshi Kimura
Original Assignee
Murata Kikai Kabushiki Kaisha
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 Murata Kikai Kabushiki Kaisha filed Critical Murata Kikai Kabushiki Kaisha
Priority to KR1019970705928A priority Critical patent/KR100324258B1/ko
Priority to EP96939347A priority patent/EP0811714A4/fr
Publication of WO1997024481A1 publication Critical patent/WO1997024481A1/fr

Links

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/38—Devices for supplying, feeding, or guiding threads to needles
    • D04B15/54—Thread guides
    • D04B15/58—Thread guides for circular knitting machines; Thread-changing devices
    • D04B15/62—Thread guides for circular knitting machines; Thread-changing devices with thread knotters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H69/00—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the present invention relates to a yarn processing system in a knitting machine for producing a knit product such as socks.
  • Conventional technology
  • a knot is formed as a yarn joining device. Therefore, when the knot increases or the thickness of the knot increases, the knitting process is not performed. Even if the knot was not caught on the knitting needle and the thread was not cut, the knot protruded from the surface of the knitted product to be produced, resulting in a problem of extremely low commercial value. In addition, the number of steps to cut the knot ends increased, and there was also a problem that the knot could be released if cut too much.
  • An object of the present invention is to solve the conventional drawbacks described above, and to knit a knitted fabric by combining yarns of different colors and the like, and to produce a knitted fabric with no knot and high commercial value. Is to provide c Means to solve the problem
  • the present invention provides a knitting machine, comprising: a yarn selecting section that allows the yarn to be selected freely between a knitting machine and a yarn feeding section having a plurality of types of yarns.
  • a yarn splicing section for splicing a yarn on the knitting machine side and a yarn supply on the yarn selecting section side is connected between the knitting machine and the yarn selecting section, and a pneumatic yarn splicing device is connected to the yarn splicing section. It is provided.
  • a yarn storage section is connected between the knitting machine and the yarn joining section.
  • a predetermined amount of yarn can be stored in accordance with the operation speed of the knitting machine even if no yarn is supplied from the yarn splicing section to the yarn storage section while the yarn splicing section is performing splicing. Is supplied to the knitting machine from the section, and the knitting machine operates continuously without stopping.
  • the amount of yarn stored in the storage section can be changed according to the operation speed of the knitting machine. Thereby, the operation of each section is controlled so that the desired yarn required in the knitting process of the knitting machine is supplied to the knitting machine from the plurality of types of yarn supply in the yarn supply section.
  • FIG. 1 is a block diagram showing a yarn processing system according to one embodiment of the present invention
  • FIG. 2 is a plan view showing an application example of a pneumatic yarn joining device of a yarn joining portion
  • FIG. It is a side view which shows the rotary storage drum which is an example of application of the apparatus arrange
  • FIG. 1 is a block diagram showing a yarn processing system configuration as shown in the figure. It is mainly composed of the yarn supply section 1, the yarn selection section 2, the yarn splicing section 3, the yarn storage section 4, and the knitting machine 7, and the yarn storage section 4, the yarn splicing section 3, and the yarn selection section from the knitting machine 7 side. 2. Arranged in the order of yarn feeder 1 and connected. The operations of the yarn selection unit 2, the yarn joining unit 3, the yarn storage unit 4, and the knitting machine 7 are collectively controlled by the control unit 5.
  • the yarn supplying section 1 for example, a plurality of types of yarn supplying packages A to G having different colors are appropriately arranged without interfering with each other.
  • the yarn supply packages A to G have been already rewound in a winder and have been subjected to dyeing in a dyeing process to remove yarn defects such as slabs.Each of the above packages can be used alone as a knitting machine. is there.
  • the required number of types of the yarn supply packages A to G are inserted and supported at appropriate positions.
  • the yarn of one of the yarn supply packages A to G is selected in the yarn selection unit 2 and supplied to the knitting machine 7 through the yarn splicing unit 3 and the yarn storage unit 4 to produce a knitted fabric. .
  • the yarn selecting unit 2 holds the yarn ends drawn from each of the yarn supply packages A to G of the yarn supply unit 1 and, in accordance with a command from the control unit 5, specifies one specific yarn in the yarn supply packages A to G. The yarn end of this is selected and positioned at the yarn running position. That is, each yarn end of each yarn of the yarn supply packages A to G of the yarn supply unit 1 is held at the standby position by the yarn end gripping unit of each yarn (not shown) of the yarn selection unit 2, and is produced by the knitting machine 7. In accordance with a command from the control unit 5, the yarn required for the knitted fabric to be knitted is positioned at the yarn traveling position by the yarn end holding unit holding the yarn.
  • the control is performed.
  • the running yarn of the yarn supply package A stops traveling upstream of the yarn storage section 4 (the yarn supply section 1 side). I do.
  • the stopped yarn of the yarn supply package A is forcibly cut by the cutting device 47 (FIG. 2) of the yarn selection unit 2 in the yarn selection unit 2.
  • the line end of the lined yarn package A on the side of the cut yarn supply unit 1 is removed from the yarn traveling position by the yarn end gripping portion of the yarn and returned to the standby position, and the yarn end of the another yarn supply package B is returned to the standby position.
  • the held yarn end gripper 33 (FIG. 2) positions the yarn end of the yarn supply package B to the yarn traveling position.
  • the positioned yarn end of the yarn supply package B is spliced to the yarn end of the yarn supply package A on the yarn storage unit 4 side supplied by the yarn splicing unit 3 described later, and supplied to the knitting machine 7.
  • the yarn of the yarn package B is supplied.
  • FIG. 1 shows the case where the yarn supply is seven, it can be changed as appropriate.
  • the yarn splicing portion 3 disposed following the yarn selection portion 2
  • the yarn end on the yarn storage section 4 side of the yarn supply package A, which was forcibly cut in step 2, and the desired kind of yarn end of the newly supplied lined yarn package B are held, cut to a predetermined length, and spliced. It is to match.
  • the yarn splicing section 3 includes a yarn end cutting device, a yarn splicing device 6 described later, and a guide device for guiding the yarn end to a fixed position of the yarn splicing device. As the yarn joining device 6, a pneumatic yarn joining device is applied.
  • Fig. 2 shows an application example of a pneumatic yarn joining device for the yarn joining part.
  • the yarn splicing part 3 is basically a yarn splicing member 37, a yarn presser device 38, a untwisting nozzle 39, 40, a yarn pulling lever 48, a yarn end cutting device 41, 42, and a yarn clamp device 4.
  • a cylindrical yarn splicing hole 49 is formed, and a slit suitable for inserting a yarn from outside is formed in the yarn running direction.
  • a jet nozzle is formed in the vicinity of the shaft to open toward the yarn splicing hole 49 and jets out compressed air.
  • the untwisting nozzles 39, 40, the yarn pulling lever 48, the yarn end cutting devices 41, 42, and the yarn clamping devices 43, 44 are operated in a predetermined order by a cam mechanism (not shown).
  • the swing arm 29 is rotatably supported by the frame 50.
  • the revolving arm 29 is substantially L-shaped, and a gear 54 provided on a shaft 53 integral with the arm and a sector gear 55 are combined with each other.
  • the sector gear 55 is a command from the control unit 5, that is, a piecing command. It is driven by a program cam.
  • 56 to 61 are thread guides.
  • control unit 7 when switching the yarn to be supplied to the knitting machine 7, first, the control unit
  • the instruction of 5 stops the yarn receiving operation of the yarn storage unit 4, and the running yarn stops running upstream of the yarn storage unit 4.
  • the stopped yarn is held by the yarn end gripping portion of the yarn of the yarn selection section 2 (not shown) and is forcibly cut by the yarn cutting device 47 of the yarn selection section 2.
  • the yarn end on the yarn selection unit 2 side is held by a yarn end gripping unit (not shown), removed from the running position, and sent to the standby position. Then, the yarn end YV of the yarn to be newly traveled is sent to the yarn traveling position by the yarn end gripping part 33 holding the yarn end YV.
  • the yarn end Y P of the yarn in the yarn storage unit 4 that has been forcibly cut by the yarn cutting device 47 of the yarn selection unit 2 is sucked and held by the suction pipe 45.
  • the yarn end YP is clamped at a fixed distance from the end of the yarn end by the yarn clamp device 43 while being sucked and held by the suction pipe 45, and cut by the yarn end cutting device 41, and the free yarn end is untwisted. It is sucked by the nozzle 39 and the yarn end is untwisted.
  • the yarn end YV sent to the yarn traveling position by the yarn end gripping portion 3 3 is released from the yarn end gripping portion 3 3 and the yarn end YV is transferred to the movable piece 3 2 of the young crimp 30 at the tip of the turning arm 29. While turning the cam plate
  • the roller provided on a part of the movable piece 32 of the young ripper 30 is related to 52.
  • the movable piece is opened to release the gripped yarn end on the yarn selection section 2 side, and is sucked into the suction pipe 46. That is, the arm 29 rotates, and the yarn end YV of the yarn selecting section 2 moves upward while the yarn is being pulled out from the yarn supply package, and moves upward by approximately 180 ° C. It engages with the plate 52 and is sucked and held in the suction pipe 46 like the yarn YU indicated by the broken line.
  • the yarn end YU is clamped by the yarn clamping device 44 while being sucked and held by the suction pipe 46, cut by the yarn end cutting device 42, and the free yarn end is sucked by the untwisting nozzle 40 and untwisted.
  • the action is performed.
  • the yarn ends in the untwisting nozzles 39 and 40 are drawn out by the swiveling movement of the yarn pulling lever 48, and are superposed in the yarn splicing hole 49 of the yarn splicing member 37.
  • the yarn ends are spliced together by the action of the jetted compressed fluid. In this way, the yarn ends Y P and Y U are positioned at the positions indicated by the solid and broken lines in FIG.
  • the control unit 5 detects the completion of the piecing, the yarn receiving operation of the yarn storage unit 4 is re-driven, and the yarn upstream of the stopped yarn storage unit 4 travels again, and the knitting machine 7 The supplied yarn switches.
  • the opening of the suction pipe 45 is preferably directed upward so as to receive the yarn end from below. If the distance between the yarn cutting device 47 of the yarn selection unit 2 and the suction pipe 45 is too short, the suction end length of the suction end of the suction pipe 45 will be shortened, so that the probability of failure of suction and capture of the yarn end will increase. However, the suction holding force after suction capture is weakened. In other words, the force for tensioning the yarn is weakened, and the piecing operation may be defective. If the distance between the yarn cutting device 47 of the yarn selecting section 2 and the suction pipe 45 is too long, the portion cut by the yarn cutting device 47 becomes wasteful, which is inconvenient. Therefore, suction It is better to be as short as possible as long as the holding force is not too small.
  • a yarn storage unit 4 is arranged following the yarn joining unit 3.
  • the yarn reservoir 4 is connected to a knitting machine 7.
  • a predetermined amount of the yarn Y supplied to the yarn storage unit 4 from the yarn joining unit 3 side is stored in the yarn storage unit 4, and is supplied to the knitting machine 7 from the yarn storage unit 4. Therefore, even when the yarn Y is not supplied from the yarn splicing portion 3 to the yarn storage portion 4 while the yarn splicing portion 3 is performing the yarn splicing, the knitting machine 7 can be continuously operated without stopping.
  • the yarn storage unit 4 is also connected to the control unit 5 and operates according to a command from the control unit 5, so that the yarn supplied to the knitting machine 7 does not fluctuate in tension with respect to a predetermined tension.
  • the yarn Y corresponding to the operation speed of 7 is supplied from the yarn storage 4 to the knitting machine 7.
  • FIG. 3 is a side view showing a rotary storage drum as an application example of the device provided in the yarn storage unit 4.
  • the rotary storage drum 15 is a rotating body having a flange portion ⁇ 5a, a body 15b, and a groove 15c, and a press roller 15d is pressed against the flange portion 15a to rotate. Thread Y is stored in a wound state on body 15b. The yarn Y is locked in the groove 15c by the air flow in the cover 15e.
  • a motor M4 is connected to the flange portion 15a, and rotates the storage drum 15. The motor M4 is connected to the control unit 5, and is controlled so that a predetermined amount of the yarn storage unit Y is stored in the body 15b.
  • the yarn supplied from the yarn splicing section 3 to the yarn storage section 4 is pressed against the flange section 15a with a pressure roller 15d, and is stored in a predetermined amount in a wound state on the body 15b. Supplied to During the time when the yarn is spliced at the yarn splicing section 3 and the yarn Y is not supplied from the yarn splicing section 3 to the storage drum 15, the motor M 4 is stopped and the yarn is stored in the body 15 b in a wound state.
  • the predetermined amount of the yarn Y is continuously supplied to the knitting machine 7. Therefore, continuous operation can be performed without stopping the knitting machine 7.
  • the motor M 4 is connected to the control unit 5 and is controlled by the control unit 5, so that the motor M 4 is supplied to the knitting machine 7 from the body 15 b of the rotary storage drum 15.
  • the yarn Y to be supplied does not fluctuate with respect to the predetermined tension, and a predetermined amount of yarn is supplied from the yarn storage section 4 to the knitting machine ⁇ ⁇ in accordance with the operation speed of the knitting machine 7.
  • the desired amount of the desired yarn ⁇ ⁇ required in the knitting process of the knitting machine 7 is transferred from the plurality of types of yarn supply packages A to G of the yarn supply section 1 to the knitting machine 7 and the yarn joining device of the yarn joining section 3
  • a control device for controlling operations such as selection of a yarn type of each of the above-mentioned portions and yarn supply length so that a yarn is spliced at 6 and a predetermined amount of yarn Y is stored and supplied at a yarn storage portion 4.
  • the control device 5 a relay sequence, a microcomputer, or the like is used.
  • control device 5 changes the type of yarn supplied by the yarn supply unit 1 by the yarn selection unit 2. Selection of yarn, or splicing of the yarn to be changed by the yarn splicing device 6 of the yarn splicing section 3, or storage of the yarn in the rotary storage drum 15 or the rotary guide storage drum of the yarn storage section 4, etc. The operation and timing of are controlled collectively.
  • each unit as described above is described as the operation of the entire system.
  • the yarn supply packages A to G supported by the yarn supply unit 1 are selected from the following.
  • the yarn of the yarn supply package A is selected in the yarn selection unit 2 and supplied to the knitting machine 7 via the yarn joining unit 3 and the yarn storage unit 4.
  • a predetermined amount of yarn is stored in the yarn storage unit 4, and the yarn Y supplied from the yarn storage unit 4 to the knitting machine 7 by the control unit 5 corresponds to the operation speed of the knitting machine 7, and The tension does not fluctuate with respect to the predetermined tension.
  • the yarn receiving operation of the yarn storage unit 4 is first stopped in accordance with a command from the control unit 5, and the yarn supply package being run
  • the yarn A stops running on the upstream side and is forcibly cut by the cutting device of the yarn selection unit 2.
  • the cut yarn of the yarn supplying package A on the yarn supplying unit 1 side is replaced with the yarn supplying package B.
  • the yarn joining unit 3 holds the cut yarn of the yarn supply package A on the yarn storage unit 4 side and the replaced yarn of the yarn supply package B, and a predetermined amount. After cutting into pieces, splice them together.
  • control unit 5 is connected to the yarn selection unit 2, the yarn joining unit 3, the yarn storage unit 4 and the knitting machine 7, the control unit 5 is connected to the yarn selection unit 2, the yarn joining unit 3, the yarn storage unit 4 and the knitting machine 7. All operations are controlled collectively. As a result, the desired yarns in the yarn supply packages A to G can be supplied to the knitting machine 7 at a desired timing, and the knitting machine 7 can be stably supplied without stopping. It will be lined. Since the yarns spliced by the above system are spliced by the pneumatic splicing device, the seam becomes a single thread that can hardly be distinguished from a single yarn. Note that the arrangement and length of colors can be set irregularly or periodically. The invention's effect
  • the present invention uses a pneumatic yarn splicing device. Therefore, when a knot is caught on a knitting needle or the like in a knitting process and a yarn is cut, as in the case of applying a knotter that forms a knot, a force, However, it is possible to prevent a knot from protruding from the surface of the knitted fabric to be produced, thereby reducing the value of the product extremely. Further, the number of steps of cutting the knot ends increases, and it is possible to prevent the problem that the knot is loosened if cut too much.
  • a predetermined amount of yarn can be produced in accordance with the operation speed of the knitting machine.
  • the yarn is supplied from the yarn storage to the knitting machine, and continuous operation can be performed without stopping the knitting machine.
  • a predetermined amount of yarn is stored in the yarn storage unit, and the yarn supplied from the yarn storage unit to the knitting machine by the control unit corresponds to the operating speed of the knitting machine, and There is no change in tension with respect to tension. While the yarn is being spliced at the yarn splicing section, even if the yarn is not supplied to the yarn accumulating section, a predetermined amount of yarn accumulated in the yarn accumulating section is supplied to the knitting machine in accordance with a command from the control section. Therefore, continuous operation can be performed without stopping the knitting machine.

Abstract

Cette invention concerne un système de traitement de fil permettant de produire des articles tricotés qui possèdent une grande valeur marchande et qui ne comportent pas de noeuds lorsque des fils de différentes couleurs sont combinés et assemblés dans une machine à tricoter. Une unité de sélection de fil (2), permettant de choisir librement l'alimentation en fil, est disposée entre, d'une part, une unité d'alimentation en fil (1) qui possède des bobines (A - G) d'alimentation en fils de différents types pour une machine à tricoter unique (7), et, d'autre part, la machine à tricoter (7) proprement dite. Une unité de raccordement (3), laquelle sert à effectuer un raccord entre un fil Y situé du côté de la machine à tricoter (7) et un fil situé du côté de l'unité de sélection de fil (2), est placée entre ladite machine à tricoter (7) et ladite unité de sélection de fil (2) auxquelles elle est connectée. Un dispositif de raccordement pneumatique (6) est également installé sur l'unité de raccordement (3).
PCT/JP1996/003531 1995-12-26 1996-12-03 Systeme de traitement de fil WO1997024481A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1019970705928A KR100324258B1 (ko) 1995-12-26 1996-12-03 실의 처리시스템
EP96939347A EP0811714A4 (fr) 1995-12-26 1996-12-03 Systeme de traitement de fil

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7338958A JPH09176942A (ja) 1995-12-26 1995-12-26 糸の処理システム
JP7/338958 1995-12-26

Publications (1)

Publication Number Publication Date
WO1997024481A1 true WO1997024481A1 (fr) 1997-07-10

Family

ID=18322941

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1996/003531 WO1997024481A1 (fr) 1995-12-26 1996-12-03 Systeme de traitement de fil

Country Status (6)

Country Link
EP (1) EP0811714A4 (fr)
JP (1) JPH09176942A (fr)
KR (1) KR100324258B1 (fr)
CN (1) CN1176671A (fr)
TW (1) TW359698B (fr)
WO (1) WO1997024481A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60320504T2 (de) * 2002-10-15 2009-06-10 Murata Kikai K.K. Fadenverarbeitendes System
JP2004156184A (ja) * 2002-11-08 2004-06-03 Murata Mach Ltd 編機
JP5809899B2 (ja) * 2011-09-16 2015-11-11 村田機械株式会社 繊維束供給装置
US9487887B1 (en) 2013-03-13 2016-11-08 Jonathan Grossman Systems and methods for manufacturing textiles
CN111364158B (zh) * 2018-12-26 2021-07-16 魏志亮 圆形编织机变色头的打结装置
EP3798340B1 (fr) * 2019-09-26 2021-08-18 KARL MAYER STOLL R&D GmbH Procédé d'insertion du fil après le changement d'ensouple dans un métier chaîne et métier chaîne doté d'une fonction d'insertion du fil après un changement d'ensouple
CN112981690B (zh) * 2021-03-15 2022-06-07 福建泳力泰针织机械有限公司 一种针织大圆机高稳定传动系统

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5124011B2 (fr) * 1973-04-28 1976-07-21

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3264870D1 (en) * 1981-04-16 1985-08-29 Iro Ab Knitting machine for the production of a striped fabric
JPS6088145A (ja) * 1983-10-19 1985-05-17 村田機械株式会社 糸の処理システム
JPS60209029A (ja) * 1984-03-28 1985-10-21 Murata Mach Ltd 紡績機械
JPH02191746A (ja) * 1989-01-18 1990-07-27 Nissan Motor Co Ltd 多色織機の緯入れ制御装置
DE4118130A1 (de) * 1991-06-03 1992-12-10 Alkotex Srl Fadenverarbeitende maschine, insbesondere stickmaschine mit einer faden-wechseleinrichtung
DE69419858T2 (de) * 1993-08-26 2000-04-13 Murata Machinery Ltd Fadenwickeltransportsystem
JP2812158B2 (ja) * 1993-08-26 1998-10-22 村田機械株式会社 パッケージ搬送システム
JP3756966B2 (ja) * 1995-05-19 2006-03-22 株式会社島精機製作所 アパレルシステム及びそれに用いるリリヤン編機

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5124011B2 (fr) * 1973-04-28 1976-07-21

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP0811714A4 *

Also Published As

Publication number Publication date
CN1176671A (zh) 1998-03-18
JPH09176942A (ja) 1997-07-08
EP0811714A1 (fr) 1997-12-10
KR19980702526A (ko) 1998-07-15
EP0811714A4 (fr) 1998-03-11
KR100324258B1 (ko) 2002-03-08
TW359698B (en) 1999-06-01

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