EP2077247A2 - Spleißerdüse - Google Patents

Spleißerdüse Download PDF

Info

Publication number
EP2077247A2
EP2077247A2 EP08019757A EP08019757A EP2077247A2 EP 2077247 A2 EP2077247 A2 EP 2077247A2 EP 08019757 A EP08019757 A EP 08019757A EP 08019757 A EP08019757 A EP 08019757A EP 2077247 A2 EP2077247 A2 EP 2077247A2
Authority
EP
European Patent Office
Prior art keywords
yarn splicing
compressed air
yarn
splicer
chambers
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
EP08019757A
Other languages
English (en)
French (fr)
Other versions
EP2077247B8 (de
EP2077247A3 (de
EP2077247B1 (de
Inventor
Hiroshi Mima
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.)
Murata Machinery Ltd
Original Assignee
Murata Machinery Ltd
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 Machinery Ltd filed Critical Murata Machinery Ltd
Publication of EP2077247A2 publication Critical patent/EP2077247A2/de
Publication of EP2077247A3 publication Critical patent/EP2077247A3/de
Application granted granted Critical
Publication of EP2077247B1 publication Critical patent/EP2077247B1/de
Publication of EP2077247B8 publication Critical patent/EP2077247B8/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B65H69/06—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device by splicing
    • B65H69/061—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device by splicing using pneumatic means
    • 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 splicer nozzle that injects compressed air onto two yarn ends laid on top of each other so as to face in opposite directions, and splices ends of two yarns.
  • a splicer is conventionally known as a yarn splicing device that splices ends of two yarns. The splicer blows compressed air onto the two yarn ends laid on top of each other to twist the two yarn ends for splicing. Some splicers are called an opposite type, and the others are called a T-type.
  • the opposite type splicer untwists the two yarn ends and then lays the yarn ends on top of each other so that the yarn ends face in opposite directions.
  • the opposite type splicer then applies a whirling stream of compressed air to the two yarn ends to twist the two yarn ends. See, for example, the Examined Japanese Patent Application Publication ( Tokko-Hei) No. 2-14267 .
  • the T-type splicer lays the two yarn ends on top of each other in the same direction, and then applies compressed air to the yarn ends to untwist and entangle the yarn ends with each other. See, for example, the Unexamined Japanese Patent Application Publication (Tokkai) No. 2006-52485 .
  • the opposite splicer is suitable for splicing thin, relatively nonelastic yarns such as cotton.
  • relatively elastic yarns such as wool
  • the opposite type splicer fails to sufficiently twist the yarns. As a result, a sufficient yarn tenacity may not be obtained.
  • the T-type splicer splices the yarns by firmly entangling the yarns with each other.
  • a yarn Y1 and a yarn Y2 are arranged to form the letter "T" in which an overlapping portion of the yarns corresponds to the vertical line of the letter "T".
  • yarn splicing portions vertically extending portions of the yarns Y1 and Y2 in Figure 4
  • the whisker may affect the appearance of the yarn in some applications of the yarn.
  • the present invention has been made in view of the above-described circumstances, and an object of the present invention is to provide a splicer nozzle that enables even elastic yarns to be firmly spliced without creating a whisker.
  • the present invention provides a splicer nozzle characterized in that a yarn splicing hole is divided, in an axial direction, into substantially two yarn splicing chambers formed at positions where axes of the yarn splicing chambers are displaced from each other, and a yarn splicing slit common to the yarn splicing chambers is formed over the entire area of the yarn splicing hole, and in that an injection hole is formed for each of the yarn splicing chambers so that compressed air passing through the yarn splicing slit to the axis of the yarn splicing chamber is injected through a corresponding one of the injection holes, and an inner wall of each of the yarn splicing chambers located opposite an air outlet of the corresponding one of the compressed air injection holes is formed to be planar.
  • the "axis” means the center of a circular arc where the sectional shape of the yarn splicing chamber includes the circular arc, and where the sectional shape of the yarn splicing chamber includes no circular arc, the "axis” means a centroid of the sectional shape.
  • the present invention provides a splicer nozzle configured as described above, and characterized in that the yarn splicing chambers and the compressed air injection holes communicate with a tip portion of the yarn splicing slit.
  • the present invention provides a splicer nozzle configured as described above and characterized in that each of the compressed air injection holes is linearly formed such that a center axis of the compressed air injection hole passes through the axis of the corresponding one of the yarn splicing chamber.
  • the present invention provides a splicer nozzle configured as described above and characterized in that the planar inner wall of each of the yarn splicing chambers is formed substantially orthogonally to the center axis of the corresponding one of the compressed air injection holes.
  • the compressed air injection holes communicate with the yarn splicing slit, and this enables compressed air to directly strike yarn ends positioned in the yarn splicing slit. Furthermore, the inner wall of each of the yarn splicing chambers opposite which the corresponding one of the compressed air injection holes lies is planar.
  • the splicer nozzle according to the present invention allows compressed air to exert a strong effect on fibers of the untwisted yarn ends to appropriately entangle the fibers with one another. Therefore, spliced portion tenacity can be enhanced.
  • a splicer nozzle 1 is mainly composed of a yarn splicing slit 2 formed in a nozzle block 10, a first yarn splicing chamber 3 and a second yarn splicing chamber 4 formed so as to divide a yarn splicing hole into two portions in an axial direction, a first compressed air injection hole 5, a second compressed injection hole 6, and a communication chamber 7.
  • the nozzle block 10 is composed of a metal block such as brass, and has a notch portion 10c shaped like an isosceles triangle in a plan view, in a surface (front surface) located on a side from which yarn ends are introduced, as shown in Figures 1 and 3 .
  • the yarn splicing slit 2 extends linearly from the tip of the notch portion 10c in the nozzle block 10 to the vicinity of the center of the nozzle block 10 in a front-back direction thereof. Furthermore, as shown in Figure 2C , the yarn splicing slit 2 extends to a top surface 10a and a bottom surface 10b of the nozzle block 10.
  • the first yarn splicing chamber 3 extends linearly from the top surface 10a of the nozzle block 10 to the center of the nozzle block 10 in a vertical direction thereof. Furthermore, as shown in Figures 3A and 2B , the first yarn splicing chamber 3 communicates with a left portion of an upper tip portion 2a of the yarn splicing slit 2.
  • the first yarn splicing chamber 3 is enclosed by a plurality of inner walls 3a to 3f and a bottom wall 3g.
  • the inner walls 3a, 3c to 3d are planar, and the inner walls 3b, 3f are curved so as to form a circular arc around a point 3h in a plan view.
  • the first yarn splicing chamber 3 communicates with the yarn splicing slit 2 between the inner wall 3c and the inner wall 3d as described above.
  • the first compressed air injection hole 5 extends from a right side surface 10d of the nozzle block 10 in a horizontal direction and substantially orthogonally to the planar inner wall 3a of the first yarn splicing chamber 3.
  • the first compressed air injection hole 5 communicates with the yarn splicing slit 2, extends further, and communicates with the first yarn splicing chamber 3.
  • a center axis 5a of the first compressed air injection hole 5 passes through a point 3h and a middle point 3i of the inner wall 3a.
  • the first compressed air injection hole 5 is formed slightly below the center of the first yarn splicing chamber 3 in the vertical direction.
  • the second yarn splicing chamber 4 extends linearly from a bottom surface 10b of the nozzle block 10 to the center of the nozzle block 10 in the vertical direction. Furthermore, as shown in Figures 3B and 2B , the second yarn splicing chamber 4 communicates with a right portion of a lower tip portion 2b of the yarn splicing slit 2.
  • the second yarn splicing chamber 4 is enclosed by a plurality of inner walls 4a to 4f and a top wall 4g.
  • the inner walls 4a, 4c to 4d are planar, and the wall surfaces 4b, 4f are curved so as to form a circular arc around a point 4h in a plan view.
  • the second yarn splicing chamber 4 communicates with the yarn splicing slit 2 between the inner walls 4c and 4d as described above.
  • the second compressed air injection hole 6 extends from a left side surface 10e of the nozzle block 10 in the horizontal direction and substantially orthogonally to the planar inner wall 4a of the second yarn splicing chamber 4.
  • the second compressed air injection hole 6 communicates with the yarn splicing slit 2, extends further, and communicates with the second yarn splicing chamber 4.
  • a center axis 6a of the second compressed air injection hole 6 passes through a point 4h and a middle point 4i of the inner wall 4a.
  • the second compressed air injection hole 6 is formed slightly above the center of the second yarn splicing chamber 4 in the vertical direction.
  • a communication chamber 7 is formed inside the nozzle block 10 in the vertical direction and in an outer edge portion thereof except for the notch portion 10c side so as to allow the first compressed air injection hole 5 and the second compressed air injection hole 6.
  • the splicer nozzle 1 is fitted into a nozzle holder 12 to constitute a splicer nozzle unit 11.
  • the splicer nozzle unit 11 is attached to a main body bracket 21 of a textile machine via a plate 22 by a mounting bolt 13.
  • the splicer nozzle unit 11 thus constitute an essential part of a splicer 31 described below, in the textile machine.
  • the nozzle holder 12 is composed of a metal block shaped like a rectangular parallelepiped.
  • the nozzle holder 12 has a recess portion 12a that receives the splicer nozzle 1, a bolt hole 12b that allows the mounting bolt 13 to pass through, a compressed air introduction hole 12c connected to a compressed air source (not shown in the drawings), and a communication hole 12d that communicates with the compressed air introduction hole 12c and the recess portion 12a.
  • the splicer nozzle 1 is fitted in the recess portion 12a of the nozzle holder 12.
  • the communication chamber 7 in the splicer nozzle 1 is peripherally surrounded by wall surfaces of the recess portion 12a.
  • the communication hole 12d in the nozzle holder 12 communicates with the communication chamber 7.
  • an introduction pipe 14 extending from the compressed air source (not shown in the drawings) is connected to the compressed air introduction hole 12c.
  • compressed air CR When compressed air CR is supplied by the compressed air source, the compressed air CR is introduced into the first and second compressed air injection holes 5, 6 in the splicer nozzle 1, through the compressed air introduction hole 12c and via the communication hole 12d and the communication chamber 7.
  • the compressed air CR passes through the tip portion of the yarn splicing slit 2 into the first and second yarn splicing chambers 3, 4.
  • the compressed air CR is then discharged to the exterior through openings of the first yarn splicing chamber 3 and the second yarn splicing chamber 4.
  • a yarn YP on a package P side is sucked and gripped by a suction mouth SM. Then, the suction mouth SM turns to guide the yarn YP to the front of the splicer 31, and the yarn YP is then clamped by a clamp device 32.
  • a yarn YB on a spinning bobbin B side is similarly guided to the front of the splicer 31 by a turning relay pipe SP. The yarn YB is then clamped by a clamp device 33.
  • a yarn handling lever 34 turns to guide the yarn YP in guide grooves 37, 38 of guide plates 35, 36 and in the yarn splicing slit 2 of the splicer nozzle 1.
  • the turning of the yarn handling lever 34 also guides the yarn YB in guide grooves 39, 40 of the guide plates 35, 36 and in the yarn splicing slit 2 of the splicer nozzle 1.
  • yarn cutting devices 41, 42 cut the yarns YP, YB at positions at a given distance from a clamp position. Then, the yarn ends of the cut yarns YP, YB are sucked into untwisting nozzles 43, 44 and the compressed air CR is blown onto the yarn ends of the cut yarn YP, YB. Thus, the yarn ends of the yarns YP, YB are subjected to an untwisting operation and untwisted into parallel fibers like a tip of a writing brush (see Figure 6B ). In this case, the yarn handling lever 34 has already moved backward so as to leave the yarns YP, YB. Thus, the yarn ends of the yarns YP, YB are sucked deep inside the untwisting nozzles 43, 44.
  • the yarn handling lever 34 turns again to approach the yarns YP, YB to draw the yarns YP, YB out of the untwisting nozzles 43, 44.
  • the untwisted yarn ends of the drawn-out yarns YP, YB are laid on top of each other at the tip side of the yarn splicing slit 2 in the splicer nozzle 1 (see Figure 6C ).
  • the compressed air CR is supplied to the splicer nozzle unit 11 via the introduction pipe 14.
  • the compressed air CR is introduced into the first compressed air injection hole 5 via the compressed air introduction hole 12c, the communication hole 12d, and the communication chamber 7.
  • the compressed air CR is introduced into the second compressed air injection hole 6 via the compressed air introduction hole 12c, the communication hole 12d, and the communication chamber 7.
  • the compressed air CR directly strikes the yarn ends of the yarns YP, YB positioned at the tip side of the yarn splicing slit 2. Furthermore, the compressed air CR collides against and bounces off the wall surfaces 3a, 4a of the first and second yarn splicing chambers 3, 4 and strikes the yarn ends of the yarns YP, YB again.
  • the yarn ends of the yarns YP, YB are directly struck by the compressed air CR and also struck by the compressed air CR bouncing off the wall surfaces to allow the untwisted fibers to be appropriately entangled with one another.
  • the yarn ends are thus firmly spliced to enhance spliced portion tenacity.
  • the compressed air CR directly strikes the yarn ends of the yarns YP, YB positioned at the tip side of the yarn splicing slit 2. Furthermore, the planar inner wall surfaces 3a, 4a of the first and second yarn splicing chambers 3, 4 constitute planes extending orthogonally to the center axes 5a, 6a of the first and second compressed air injection holes 5, 6. The compressed air CR thus collides against and bounces off the wall surfaces 3a, 4a and strikes the yarn ends again.
  • the splicer nozzle 1 prevents the compressed air CR from flowing as a whirling stream. This inhibits the entire spliced portion from being uniformly twisted.
  • the spliced portion is thus in an entangled condition in which the fibers are mixed together in portions YD of the spliced portion directly struck by the compressed air CR (see Figure 8 ).
  • Portions YR located on the opposite sides of the portions YD are entangled with a base yarn under the operation of the compressed air CR colliding against and bouncing off the inner walls 3a, 4a of the yarn splicing chambers 3, 4. This prevents the opposite ends of the spliced portion and the fibers from projecting out from the spliced portion.
  • the fibers are appropriately entangled with one another over the entire spliced portion, thus enhancing spliced portion tenacity. That is, unlike in the case of the conventional scheme of splicing yarns by twisting the yarn ends, the splicer nozzle 1 allows relatively elastic yarns such as wool to be firmly spliced.
  • each of the yarn splicing chambers has the six inner walls.
  • the number of the inner walls is not limited.
  • the sectional shape of the yarn splicing chamber is not limited to the one shown in the above-described embodiment.
  • the yarn splicing chamber may be composed only of planes.
  • the angle between the compressed air injection holes is 90°.
  • the angle between the yarn splicing slit and each of the compressed air injection hole is 45°.
  • the present invention is not limited to this aspect.
  • the center axis of the compressed air injection hole passes through the middle point of the opposite inner wall in a plan view.
  • the present invention is not limited to this aspect.

Landscapes

  • Spinning Or Twisting Of Yarns (AREA)
EP08019757.7A 2007-12-18 2008-11-12 Spleißerdüse Active EP2077247B8 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007325529A JP2009143718A (ja) 2007-12-18 2007-12-18 スプライサーノズル

Publications (4)

Publication Number Publication Date
EP2077247A2 true EP2077247A2 (de) 2009-07-08
EP2077247A3 EP2077247A3 (de) 2012-07-18
EP2077247B1 EP2077247B1 (de) 2017-01-04
EP2077247B8 EP2077247B8 (de) 2017-05-31

Family

ID=40429779

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08019757.7A Active EP2077247B8 (de) 2007-12-18 2008-11-12 Spleißerdüse

Country Status (3)

Country Link
EP (1) EP2077247B8 (de)
JP (1) JP2009143718A (de)
CN (1) CN101463516B (de)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014018626A1 (de) * 2014-12-13 2016-06-16 Saurer Germany Gmbh & Co. Kg Axial geteilte Spleißkanaleinheit mit zwei radial versetzten Kammern und scharfen Stoßkanten zwischen den Kammern, Spleißer mit einer solchen Spleißkanaleinheit und Textilmaschine mit einem solchen Spleißer
DE102014018656A1 (de) * 2014-12-13 2016-06-16 Saurer Germany Gmbh & Co. Kg Spleißkanaleinheit mit speziell gestaltetem Einlasskanal für die Spleißluft, Spleißer mit einer solchen Spleißkanaleinheit und Textilmaschine mit einem solchen Spleißer
DE102017102432A1 (de) 2017-02-08 2018-08-09 Saurer Germany Gmbh & Co. Kg Spleißprisma für eine Fadenspleißvorrichtung einer Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine und Einsatzteil für das Spleißprisma
DE102017117421A1 (de) * 2017-08-01 2019-02-07 Saurer Spinning Solutions Gmbh & Co. Kg Fadenspleißvorrichtung zum pneumatischen Verbinden von Garnen
DE102018120457A1 (de) * 2018-08-22 2020-02-27 Saurer Spinning Solutions Gmbh & Co. Kg Fadenspleißvorrichtung für eine Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine
DE102015204469B4 (de) * 2014-03-18 2021-05-12 Murata Machinery, Ltd. Spleißdüse, Garnverbindungsdüsenaufbau, Garnverbindungsvorrichtung, Wicklereinheit und Textilmaschine
EP4286312A1 (de) * 2022-05-31 2023-12-06 Murata Machinery, Ltd. Fadenverbindungsvorrichtung

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5515823B2 (ja) * 2010-02-15 2014-06-11 村田機械株式会社 糸継装置
DE102010035762A1 (de) * 2010-08-28 2012-03-01 Oerlikon Textile Gmbh & Co. Kg Arbeitsstelle einer Spulmaschine und Verfahren zum Betreiben der Arbeitsstelle
CN103343411A (zh) * 2013-07-12 2013-10-09 无锡市三达纺配有限公司 一种分段式空气捻接腔
JP2016196352A (ja) * 2015-04-06 2016-11-24 村田機械株式会社 給糸ボビン糸端案内装置及びボビン準備システム
DE102017102438A1 (de) * 2017-02-08 2018-08-09 Saurer Germany Gmbh & Co. Kg Fadenspleißvorrichtung für eine Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine
JP2019182662A (ja) * 2018-04-12 2019-10-24 Ｔｍｔマシナリー株式会社 合繊糸用スプライサ
JP7202956B2 (ja) * 2018-04-12 2023-01-12 Ｔｍｔマシナリー株式会社 合繊糸用スプライサ
WO2020253958A1 (de) * 2019-06-19 2020-12-24 Heberlein Ag Düsensystem für eine textilmaschine, schraubsystem für ein schnellbefestigungssystem und textilmaschine mit düsensystem

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0214267A (ja) 1988-06-30 1990-01-18 Pentel Kk マーキングインキ組成物
JP2006052485A (ja) 2004-08-10 2006-02-23 Murata Mach Ltd スプライサーノズル

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3306020A (en) * 1966-07-05 1967-02-28 Spunize Company Of America Inc Method and apparatus for splicing yarn
JPS59228029A (ja) * 1983-05-17 1984-12-21 Murata Mach Ltd 紡績糸の糸継ぎ装置
JPS61178760U (de) * 1985-04-05 1986-11-07
JPS61257877A (ja) * 1985-04-12 1986-11-15 Murata Mach Ltd 糸継ノズルユニツト
DE3536580A1 (de) * 1985-10-14 1987-04-16 Mayer Fa Karl Selbsttaetige druckgas-spleissvorrichtung
JPS63227823A (ja) * 1987-03-16 1988-09-22 Murata Mach Ltd 空気式糸継装置
JPH0730253U (ja) * 1993-11-09 1995-06-06 村田機械株式会社 スプライサーにおける糸継ノズルユニット
JP2006168923A (ja) * 2004-12-16 2006-06-29 Murata Mach Ltd 糸継ぎ装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0214267A (ja) 1988-06-30 1990-01-18 Pentel Kk マーキングインキ組成物
JP2006052485A (ja) 2004-08-10 2006-02-23 Murata Mach Ltd スプライサーノズル

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015204469B4 (de) * 2014-03-18 2021-05-12 Murata Machinery, Ltd. Spleißdüse, Garnverbindungsdüsenaufbau, Garnverbindungsvorrichtung, Wicklereinheit und Textilmaschine
DE102014018626A1 (de) * 2014-12-13 2016-06-16 Saurer Germany Gmbh & Co. Kg Axial geteilte Spleißkanaleinheit mit zwei radial versetzten Kammern und scharfen Stoßkanten zwischen den Kammern, Spleißer mit einer solchen Spleißkanaleinheit und Textilmaschine mit einem solchen Spleißer
DE102014018656A1 (de) * 2014-12-13 2016-06-16 Saurer Germany Gmbh & Co. Kg Spleißkanaleinheit mit speziell gestaltetem Einlasskanal für die Spleißluft, Spleißer mit einer solchen Spleißkanaleinheit und Textilmaschine mit einem solchen Spleißer
DE102017102432A1 (de) 2017-02-08 2018-08-09 Saurer Germany Gmbh & Co. Kg Spleißprisma für eine Fadenspleißvorrichtung einer Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine und Einsatzteil für das Spleißprisma
DE102017117421A1 (de) * 2017-08-01 2019-02-07 Saurer Spinning Solutions Gmbh & Co. Kg Fadenspleißvorrichtung zum pneumatischen Verbinden von Garnen
DE102018120457A1 (de) * 2018-08-22 2020-02-27 Saurer Spinning Solutions Gmbh & Co. Kg Fadenspleißvorrichtung für eine Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine
EP4286312A1 (de) * 2022-05-31 2023-12-06 Murata Machinery, Ltd. Fadenverbindungsvorrichtung

Also Published As

Publication number Publication date
JP2009143718A (ja) 2009-07-02
EP2077247B8 (de) 2017-05-31
EP2077247A3 (de) 2012-07-18
CN101463516B (zh) 2013-06-19
EP2077247B1 (de) 2017-01-04
CN101463516A (zh) 2009-06-24

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