EP2065495A2 - Vorrichtung zur Verwirbelung von Mehrfachgarnen - Google Patents

Vorrichtung zur Verwirbelung von Mehrfachgarnen Download PDF

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Publication number
EP2065495A2
EP2065495A2 EP08013762A EP08013762A EP2065495A2 EP 2065495 A2 EP2065495 A2 EP 2065495A2 EP 08013762 A EP08013762 A EP 08013762A EP 08013762 A EP08013762 A EP 08013762A EP 2065495 A2 EP2065495 A2 EP 2065495A2
Authority
EP
European Patent Office
Prior art keywords
yarn
interlacing device
fluid
spaces
yarns
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.)
Withdrawn
Application number
EP08013762A
Other languages
English (en)
French (fr)
Other versions
EP2065495A3 (de
Inventor
Takefumi Sasagawa
Kinzo Hashimoto
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.)
TMT Machinery Inc
Original Assignee
TMT Machinery Inc
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 TMT Machinery Inc filed Critical TMT Machinery Inc
Publication of EP2065495A2 publication Critical patent/EP2065495A2/de
Publication of EP2065495A3 publication Critical patent/EP2065495A3/de
Withdrawn legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
    • D02J1/08—Interlacing constituent filaments without breakage thereof, e.g. by use of turbulent air streams
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/16—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using jets or streams of turbulent gases, e.g. air, steam
    • D02G1/161—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using jets or streams of turbulent gases, e.g. air, steam yarn crimping air jets

Definitions

  • the present invention relates to a multiple yarn interlacing device that interlaces a plurality of multifilament yarns.
  • the Unexamined Japanese Patent Application Publication (Tokkai-Hei) No. 9-250043 discloses a multiple yarn fluid processing device.
  • the multiple yarn fluid processing device comprises a plurality of yarn path members arranged at intervals in a row.
  • the adjacent yarn path members constitute a fluid processing section.
  • a main object of the present invention is to provide a multiple yarn interlacing device that interlaces a plurality of yarns and which requires a reduced number of components and allows the pitch of the yarn paths to be reduced, the device further having a simple configuration.
  • a multiple yarn interlacing device that interlaces a plurality of yarns is configured as follows. That is, the device comprises a first member having a plurality of yarn traveling spaces at least partly formed therein as spaces through which the respective yarns travel, and a second member having a plurality of fluid channels formed therein through which a fluid to be injected into the respective yarn traveling spaces flows.
  • the device interlacing the plurality of yarns requires a reduced number of components and can thus be inexpensively provided.
  • the present configuration enables a reduction in the pitch of the yarn paths of the plurality of yarns.
  • each of the yarn traveling spaces comprises a combination of a groove formed in the first member and a surface formed on the second member. This configuration enables a reduction in processing costs compared to an configuration in which each of the yarn traveling spaces comprises a combination of grooves.
  • each of the yarn traveling spaces extends inward in a direction of flow of the fluid injected into the traveling space. This configuration allows a whirling current of the fluid to be efficiently formed in the yarn traveling space.
  • each of the yarn traveling spaces is line-symmetric with respect to the direction of the flow of the fluid injected into the yarn traveling space.
  • the state of the flow of the fluid injected into the yarn traveling space is line-symmetric.
  • the above-described multiple yarn interlacing device is further configured as follows. That is, the first member and the second member are fixed to each other across a yarn inserting gap into which each of the yarns can be inserted. The yarn is inserted into the corresponding yarn traveling space via the yarn inserting gap. With this configuration, a configuration enabling each of the yarns to be inserted into the corresponding yarn traveling space can be provided without a movable portion.
  • the above-described multiple yarn interlacing device is further configured as follows. That is, the first member and the second member are configured to be able to abut against and move away from each other. With this configuration, (a) the first member and the second member abut against each other to make it possible to prevent the fluid injected into each of the yarn traveling spaces from being blown out from between the first member and the second member, and to prevent the yarn from jumping out. Furthermore, (b) the first member and the second member move away from each other to facilitate an operation of inserting each of the yarns into the corresponding yarn traveling space.
  • the above-described multiple yarn interlacing device is further configured as follows. That is, the first member is fixed relative to yarn paths of the plurality of yarns.
  • the second member is movable relative to the first member. With this configuration, even when the first member and the second member abut against or move away from each other, the relative positional relationship between the yarn paths of the yarns and the respective yarn traveling spaces remains unchanged. Thus, in this sense, degradation of the quality of the yarns can be avoided.
  • the above-described multiple yarn interlacing device is further configured as follows. That is, the second member is pivotably provided on the first member. This configuration allows the first member and the second member to abut against and move away from each other using a simple configuration.
  • the above-described multiple yarn interlacing device is further configured as follows. That is, the second member is slidable relative to the first member. This configuration allows the first member and the second member to abut against and move away from each other using a simple configuration.
  • Figure 1 is a front view of a multiple yarn interlacing device according to a first embodiment of the present invention.
  • Figure 2 is a front sectional view of the multiple yarn interlacing device according to the first embodiment of the present invention.
  • Figure 3 is a front view of the multiple yarn interlacing device according to the first embodiment of the present invention, a front portion of the device being enlarged in the view.
  • a multiple yarn interlacing device 100 interlaces a plurality of multifilament yarns Y.
  • the multiple yarn interlacing device 100 comprises a first member 2 having yarn traveling spaces 1 formed therein as spaces through which the respective multifilament yarns Y travel, and a second member 4 having fluid injecting holes 3 formed therein through which a fluid to be injected into the respective yarn traveling spaces 1 flows.
  • the first member 2 and the second member 4 are fixed to each other across a yarn inserting gap 5 through which the multifilament yarns Y can be inserted.
  • a plurality of the yarn traveling spaces 1 are juxtaposed at predetermined intervals.
  • a simple expression "juxtaposition direction” hereinafter refers to a direction in which the yarn traveling spaces 1 are juxtaposed.
  • a simple expression “opposite direction” hereinafter refers to a direction in which the first member 2 and the second member 4 are arranged opposite each other.
  • a direction orthogonal to both the juxtaposition direction and the opposite direction is defined as a "yarn traveling direction”.
  • the yarn traveling direction is perpendicular to the sheet of Figure 1 and is the same as a direction in which the yarn traveling spaces 1 extend.
  • the yarn traveling direction is the same as a direction in which the multifilament yarn Y travels through the respective yarn traveling space 1.
  • the first member 2 and the second member 4 are fixed together by a third member 6 provided opposite the second member 4 across the first member 2 to support the first member 2 and a fourth member 7 provided opposite the first member 2 across the second member 4 to support the second member 4.
  • the third member 6 extends along and like the first member 2, extending in the juxtaposition direction.
  • the fourth member 7 is composed of a support portion 7a extending along the second member 4, extending in the juxtaposition direction, and a coupling portion 7b extending perpendicularly from one end of the support portion 7a toward the third member 6.
  • the third member 6 is fixed to the coupling portion 7b of the fourth member 7 by a fixing means, for example, bolt tightening. Fixing the third member 6 and the fourth member 7 to each other allows the first member 2 and the third member 4 to be fixed to each other as described below.
  • the plurality of multifilament yarns Y are moved along the juxtaposition direction as shown by a thick arrow in Figure 1 and inserted into the respective yarn traveling spaced 1 via the yarn inserting gap 5, formed between the first member 2 and the second member 4.
  • each of the multifilament yarns Y is inserted into the corresponding yarn traveling space 1 from the second member 4 side.
  • the first member 2 and the second member 4 have slightly tapered surfaces along which the multifilament yarn Y is guided to the yarn inserting gap 5.
  • Figure 2 is a front sectional view of Figure 1 as described above. Specifically, Figure 2 is taken by cutting the multifilament yarn interlacing device 100 perpendicularly to the yarn traveling direction at the center thereof in the yarn traveling direction. As shown in Figure 2 , the fluid injecting holes 3 are formed in the second member 4 at a central portion thereof in the yarn traveling direction so as to lie in the juxtaposition direction. A first fluid channel 8 communicating with all the fluid injecting holes 3 is formed inside the second member 4 to uniformly supply a fluid to the plurality of fluid injecting holes 3. A second fluid channel 9 communicating with the exterior of the device is formed in the support portion 7a. In this configuration, a compressor (not shown in the drawings) is connected to the second fluid channel 9.
  • a fluid for example, compressed air, is supplied to the second fluid channel 9. Then, a predetermined amount of the fluid is supplied to each of the yarn traveling spaces 1 via the first fluid channel 8 and a corresponding one of the fluid injecting holes 3 in this order. Then, the fluid supplied to the yarn traveling space 1 is divergently divided into two fractions and flows through the yarn traveling space 1 along the extending direction of the yarn traveling space 1. The fluid is then blown out from the opposite ends of the yarn traveling space 1.
  • a fluid for example, compressed air
  • Figure 3A corresponds to a partly enlarged view of Figure 2 .
  • Figure 3B shows another cross section in which a cut surface does not contain the fluid injecting hole 3.
  • the yarn inserting gap 5 is formed between a first surface 10 formed as a surface of the first member 2 which lies opposite the second member 4 and a second surface 11 formed as a surface of the second member 4 which lies opposite the first member 2; the yarn inserting gap 5 is small enough to allow the multifilament yarns Y to be barely inserted through the gap 5.
  • Grooves 12 extending along the yarn traveling direction are formed in the first surface 10 of the first member 2.
  • the yarn traveling space 1 is composed of a combination of the groove 12, formed in the first member 2, and the second surface 11 of the second member 4.
  • the yarn traveling space 1 is formed to extend inward along line C showing the direction of the flow of the fluid injected into the yarn traveling space 1.
  • the yarn traveling space 1 is also formed line-symmetrically with respect to the line C.
  • the sectional contour of the groove 12 is composed of a linear portion (a) extending perpendicularly from the first surface 10 and away from the second surface 11, a circular portion (b) connected to the tip of the linear portion (a) and bulging away from the line C in a semicircle, a bottom portion (c) connected to the tip of the circular portion (b) and extending in a direction perpendicular to the line C and longer than the diameter of the fluid injecting hole 3, having a circular cross section, a circular portion (d) connected to the tip of the bottom portion (c) and forming a semicircle such that the semicircle, and the circular portion are line-symmetric with respect to the line C, and a linear portion (e) connected to both the tip of the circular portion (d) and the first surface 10, and which is line-symmetric with respect to the linear portion (a) and the line C.
  • the sectional shape of the groove 12 corresponds to the coupling of a rectangle wider than the diameter of the fluid injecting hole 3 in the juxtaposition direction and an oval which is wider than the rectangle and which is composed of a combination of a circular arc and a straight line; the sectional shape of the groove 12 is thus said to extend inward.
  • the yarn inserting gap 5 is drawn to be thicker than the actual one for easy understanding of the structure of the multiple yarn interlacing device 100.
  • the function of the yarn inserting gap 5 is only to introduce the multifilament yarn Y from the exterior into the yarn traveling space 1.
  • the thickness of the yarn inserting gap 5 is set to a very small value, for example, about 0.1 mm.
  • the multiple yarn interlacing device 100 which interlaces the plurality of multifilament yarns Y, is configured as follows.
  • the multiple yarn interlacing device 100 comprises the first member 2 having the plurality of yarn traveling spaces 1 formed therein as spaces trough which the respective multifilament yarns Y travel, and the second member 4 having the plurality of fluid injecting holes 3 through which the fluid to be injected into the respective yarn traveling spaces 1 flows.
  • the device interlacing the plurality of multifilament yarns Y can be inexpensively provided using a reduced number of components.
  • the configuration according to the present embodiment enables a reduction in the pitch of the yarn paths of the plurality of multifilament yarns Y.
  • each of the yarn traveling spaces 1 is composed of the groove 12, formed in the first member 2, and the second surface 11, formed on the second member 4. This configuration enables a reduction in processing costs compared to a configuration in which each of the yarn traveling spaces 1 comprises a combination of grooves.
  • each of the yarn traveling spaces 1 extends inward in the direction of the flow of the fluid injected into the traveling space 1.
  • This configuration allows a whirling current of the fluid to be efficiently formed in the yarn traveling space 1.
  • the present inventors believe that the whirling current contributes significantly to interlacing the multifilament yarns Y.
  • each of the yarn traveling spaces 1 is I ine-symmetric with respect to the direction of the flow of the fluid injected into the yarn traveling space 1.
  • the state of the flow of the fluid injected into the yarn traveling space 1 is line-symmetric.
  • the present inventors believe that the line symmetry contributes significantly to interlacing the multifilament yarns Y.
  • the above-described multiple yarn interlacing device 100 is further configured as follows. That is, the first member 2 and the second member 4 are fixed to each other across the yarn inserting gap 5 into which each the multifilament yarns Y can be inserted. Each of the multifilament yarns Y is inserted into the yarn traveling space 1 via the yarn inserting gap 5. With this configuration, a configuration enabling each of the multifilament yarns Y to be inserted into the corresponding yarn traveling space 1 can be provided without a movable portion.
  • Figure 4 is a diagram which is similar to Figure 3 and which relates to a first variation of the first embodiment of the present invention.
  • the multiple yarn interlacing device 100 according to the present variation is configured as follows. That is, grooves 15a each having a semicircular cross section are formed in the first surface 10 of the first member 2. Grooves 15b each also having a semicircular cross section are formed in the second surface 11 of the second member 4 opposite the respective grooves 15a. Each of the grooves 15a is located opposite the corresponding groove 15b to form the yarn traveling space 1 with a substantially circular cross section.
  • the first variation is of a type in which only a part of the yarn traveling space 1 is formed in the first member 2.
  • FIG. 5 is a diagram which is similar to Figure 3 and which relates to a second variation of the first embodiment of the present invention.
  • the multiple yarn interlacing device 100 according to the present variation is configured as follows. That is, cylindrical through-holes 16 that do not cross the first surface 10 are drilled in the first member 2. Slits 17 are formed which allow the through-holes 16 to communicate with the first surface 10. Each of the slits 17 allows the multifilament yarn Y to be introduced from the exterior into the corresponding through-hole 16 from a direction perpendicular to the yarn traveling direction.
  • the thickness of the slit 17 is set to a very small value, for example, 0.1 mm.
  • the through-holes 16 correspond to the yarn traveling spaces 1 according to the first embodiment.
  • a part of the fluid injecting hole 3, through which the fluid flows, is drilled in the first member 2 as shown at reference numeral 18.
  • the second variation is of a type in which only a part of the fluid injecting hole 3 is formed in the second member 4.
  • Figure 6 is a front view of a multiple yarn interlacing device according to the second embodiment of the present invention.
  • Figure 7 is a plan view of the multiple yarn interlacing device 100 according to the second embodiment of the present invention.
  • the relative positional relationship between the combination of the first member 2 and the third member 6, and the combination of the second member 4 and the fourth member 7 is turned upside down in the sheet of the figure. Duplicate descriptions of the above-described first embodiment are omitted as required.
  • the multiple yarn interlacing device 100 has no gap corresponding to the yarn inserting gap 5, shown in Figure 3 .
  • the first surface 10 of the first member 2 abuts substantially air-tightly against the second surface 11 of the second member 4.
  • the first member 2 and the fourth member 4 are configured so as to switchably abut against and move away from each other.
  • the first member 2 is fixed relative to the yarn paths of the plurality of multifilament yarns Y shown in Figure 7 .
  • the second member 4 is movable relative to the first member 2.
  • the fourth member 7 (second member 4) is pivotably provided on the third member 6 (first member 2) via a shaft 18 provided at one end of the third member 6 in the juxtaposition direction and extending in the opposite direction.
  • a small protrusion 19 is formed at an end of the first member 2 which is located opposite the shaft 18 across the yarn traveling space
  • the multiple yarn interlacing device 100 is configured as follows. That is, the first member 2 and the second member 4 are configured so as to be able to abut against and move away from each other. According to this configuration, (a) the first member 2 and the second member 4 abut against each other to make it possible to prevent the fluid injected into each of the yarn traveling spaces 1 from being blown out from between the first member 2 and the second member 4, and to prevent each of the multifilament yarns Y from jumping out. Furthermore, (b) the first member 2 and the second member 4 move away from each other to facilitate the operation of insert the multifilament yarn Y into the corresponding yarn traveling space 1. Moreover, the multifilament yarn Y can be prevented from jumping out from the yarn traveling space 1.
  • the above-described multiple yarn interlacing device 100 is further configured as follows. That is, the first member 2 is fixed relative to the yarn paths of the plurality of multifilament yarns Y.
  • the second member 4 is movable relative to the first member 2. With this configuration, even when the first member 2 and the second member 4 abut against or move away from each other, the relative positional relationship between the yarn paths of the multifilament yarns Y and the respective yarn traveling spaces remains unchanged. Thus, in this sense, degradation of the quality of the multifilament yarns Y can be avoided.
  • the above-described multiple yarn interlacing device 100 is further configured as follows. That is, the second member 4 is pivotably provided on the first member 2. This configuration allows the first member 2 and the second member 4 to abut against and move away from each other using a simple configuration.
  • Figure 8 is a front view of a multiple yarn interlacing device according to the third embodiment of the present invention. Duplicate descriptions of the second embodiment are omitted as required.
  • the above-described shaft 18 extends in the yarn traveling direction unlike in the case of the second embodiment.
  • the fourth member 7 (second member 4) is pivotably provided on the third member 6 (first member 2) via the shaft 18, extending in the yarn traveling direction.
  • a schematically shown permanent magnet 21 is buried in an area corresponding to the area where the above-described protrusion 19 formed.
  • a schematically shown permanent magnet 22 is buried in an area corresponding to the area where the above-described recess 20 is formed.
  • the multiple yarn interlacing device 100 is configured such that the permanent magnet 21 and the permanent magnet 22 act magnetically on each other to enable the first member 2 and the second member 4 to abut substantially air-tightly against each other and such that this abutment state can be canceled as required.
  • Figure 9 is a front view of a multiple yarn interlacing device 100 according to the fourth embodiment of the present invention. Duplicate descriptions of the second embodiment are omitted as required.
  • the third member 6 extends long in the juxtaposition direction.
  • the extension length of the third member 6 is double that of the first member 2.
  • An extension portion 6a of the third member 6 which does not overlap the first member 2 has a guide rail 23 that slidably holds a coupling portion 7c extending perpendicularly from one end of the fourth member 7 in the juxtaposition direction toward the extension portion 6a.
  • the present embodiment is configured such that the guide rail 23 couples the third member 6 and the fourth member 7 together so that the fourth member 7 is movable relative to the third member 6 in the juxtaposition direction.
  • a possible configuration for reliably switching between the open state shown by a solid line and the closed state shown by an alternate long and two short dashes line is the combination of the protrusion 19 and the recess 20 shown in Figure 7 or the combination of the permanent magnet 21 and the permanent magnet 22 shown in Figure 8 , the combination being similarly applied to the third member 6 and fourth member 7 shown Figure 9 .
  • the multiple yarn interlacing device 100 is further configured as follows. That is, the second member 4 is slidable relative to the first member 2. This configuration allows the first member 2 and the second member 4 to abut against and move away from each other using a simple configuration.
  • the preferred second to fourth embodiments of the present invention have been described. However, the above-described embodiments can be varied as follows. That is, for example, a possible configuration is the second member 4 that is simply removable from the first member 2.
  • the removable configuration can be provided utilizing, for example, a mechanical coupling force exerted using bolt tightening or the like, or a magnetic coupling force exerted using permanent magnets or the like.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
EP08013762A 2007-11-29 2008-07-31 Vorrichtung zur Verwirbelung von Mehrfachgarnen Withdrawn EP2065495A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007308383A JP2009133018A (ja) 2007-11-29 2007-11-29 多糸条用交絡装置

Publications (2)

Publication Number Publication Date
EP2065495A2 true EP2065495A2 (de) 2009-06-03
EP2065495A3 EP2065495A3 (de) 2009-11-11

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EP08013762A Withdrawn EP2065495A3 (de) 2007-11-29 2008-07-31 Vorrichtung zur Verwirbelung von Mehrfachgarnen

Country Status (4)

Country Link
EP (1) EP2065495A3 (de)
JP (1) JP2009133018A (de)
CN (1) CN101445980A (de)
TW (1) TW200932970A (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016113716A (ja) * 2014-12-12 2016-06-23 Ｔｍｔマシナリー株式会社 交絡付与機構
WO2019076431A1 (de) * 2017-10-16 2019-04-25 Heberlein Ag Fadenführeinrichtung
EP3498898A1 (de) * 2017-12-13 2019-06-19 TMT Machinery, Inc. Interlacing-vorrichtung
EP3608460A1 (de) 2018-08-06 2020-02-12 L.G.L. Electronics S.p.A. Schussfadenbremsvorrichtung für speicherfadenzuführvorrichtungen
EP4119708A1 (de) * 2021-07-13 2023-01-18 TMT Machinery, Inc. Verflechtungsvorrichtung und fadenwickler

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102418185A (zh) * 2011-09-21 2012-04-18 叶旭林 喷嘴
JP6334373B2 (ja) * 2014-11-19 2018-05-30 Ｔｍｔマシナリー株式会社 交絡装置
CN107130308B (zh) * 2016-02-29 2021-10-15 日本Tmt机械株式会社 纺丝牵引机
JP6981808B2 (ja) * 2017-08-18 2021-12-17 Ｔｍｔマシナリー株式会社 交絡装置

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JPH09250043A (ja) 1996-03-12 1997-09-22 Toray Ind Inc 多糸条流体処理装置

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016113716A (ja) * 2014-12-12 2016-06-23 Ｔｍｔマシナリー株式会社 交絡付与機構
WO2019076431A1 (de) * 2017-10-16 2019-04-25 Heberlein Ag Fadenführeinrichtung
US11130651B2 (en) 2017-10-16 2021-09-28 Heberlein Ag Thread guiding device
EP3498898A1 (de) * 2017-12-13 2019-06-19 TMT Machinery, Inc. Interlacing-vorrichtung
EP3608460A1 (de) 2018-08-06 2020-02-12 L.G.L. Electronics S.p.A. Schussfadenbremsvorrichtung für speicherfadenzuführvorrichtungen
EP4119708A1 (de) * 2021-07-13 2023-01-18 TMT Machinery, Inc. Verflechtungsvorrichtung und fadenwickler

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JP2009133018A (ja) 2009-06-18
CN101445980A (zh) 2009-06-03
EP2065495A3 (de) 2009-11-11
TW200932970A (en) 2009-08-01

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