WO2012049924A1 - 糸処理装置 - Google Patents

糸処理装置 Download PDF

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Publication number
WO2012049924A1
WO2012049924A1 PCT/JP2011/070376 JP2011070376W WO2012049924A1 WO 2012049924 A1 WO2012049924 A1 WO 2012049924A1 JP 2011070376 W JP2011070376 W JP 2011070376W WO 2012049924 A1 WO2012049924 A1 WO 2012049924A1
Authority
WO
WIPO (PCT)
Prior art keywords
yarn
nozzle
collision body
discharge
processing apparatus
Prior art date
Application number
PCT/JP2011/070376
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
實 國永
昭夫 溝俣
Original Assignee
有限会社Ｊｔｃ
株式会社Ａｉｋｉリオテック
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 有限会社Ｊｔｃ, 株式会社Ａｉｋｉリオテック filed Critical 有限会社Ｊｔｃ
Priority to JP2012538606A priority Critical patent/JP5754817B2/ja
Priority to KR1020137012256A priority patent/KR101606376B1/ko
Priority to EP11832363.3A priority patent/EP2628830B1/en
Publication of WO2012049924A1 publication Critical patent/WO2012049924A1/ja

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    • 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

Definitions

  • the present invention relates to a yarn processing apparatus that imparts bulkiness to a yarn by injecting a fluid onto the yarn to cause entanglement or a loop.
  • a yarn processing apparatus that imparts bulkiness to a yarn by injecting a fluid onto a yarn made of a filament such as a synthetic resin to cause entanglement or a loop in the filament is known.
  • Patent Documents 1 and 2 a yarn passage having a yarn introduction portion and a yarn discharge portion, a nozzle having an air injection hole for injecting compressed air into the yarn passage, and a yarn discharge portion of the nozzle are opposed to each other.
  • a yarn processing device is disclosed, each of which includes a spherical impactor disposed on the surface.
  • the yarn introduced from the yarn introduction portion passes through the yarn passage through which air is injected and is discharged from the yarn discharge portion.
  • the air discharged from the yarn discharge section collides with the spherical collision body and flows along the surface thereof, and rides on the air flow, and the yarn passes through the gap between the yarn discharge section and the collision body. Discharged. At that time, a loop or entanglement occurs in the filament due to the air flow generated in the yarn discharge portion, thereby imparting bulkiness to the yarn.
  • JP 2000-514509 A (particularly FIGS. 5, 6, and 8) JP 2000-303280 A
  • An object of the present invention is to provide a yarn processing apparatus having high yarn processing performance.
  • a yarn processing apparatus includes a nozzle having a yarn passage having a yarn introduction portion and a yarn discharge portion, a fluid injection hole for injecting a fluid into the yarn passage, and a discharge port of the yarn discharge portion.
  • a collision body having a surface opposed to the front end surface with a gap, and a portion of the collision body that faces the front end surface of the yarn discharge portion is opposed to the discharge port. It is characterized by being formed.
  • the facing portion of the collision body that faces the discharge port of the nozzle is formed in a concave shape, a large space is secured between the yarn discharge section of the nozzle and the collision body, The fluid flow is likely to be disturbed. Therefore, loops and entanglement are likely to occur in the filament discharged from the yarn discharge section due to the intense fluid flow in the space, and the processing performance of the yarn is improved.
  • the improvement in yarn processing performance means that even if the yarn is processed at a higher yarn speed than before, it is possible to realize the same or higher processing quality, and it can be said that the productivity is improved.
  • a yarn processing apparatus is characterized in that, in the first invention, the concave inner surface of the collision body is formed with a curved surface.
  • the fluid discharged together with the yarn from the yarn discharging portion flows along the inner surface in the inner space of the facing portion, so that it is difficult for the fluid to stay locally. Further, loops and entanglement are more likely to occur in the filament, and the processing performance of the yarn is improved.
  • the yarn processing apparatus is the yarn processing apparatus according to the first or second aspect, wherein the facing portion of the collision body is formed in a most recessed shape at a central portion thereof. .
  • the yarn discharged from the yarn discharging part is converged and collides with the innermost part of the concave opposing part.
  • the yarn is concentrated and collided at one location of the collision body, so that the subsequent yarn processing (loop formation or entanglement) is stabilized, and the processing performance of the yarn is improved.
  • a yarn processing apparatus is characterized in that, in the first invention, a cross-sectional shape of the facing portion of the collision body is an arc shape or an elliptic arc shape.
  • the inner surface of the facing portion is a curved surface and the most concave shape is in the center of the facing portion. Therefore, as described in the second and third inventions, the fluid is less likely to stay locally and the loop or entanglement is likely to occur, and the formation and entanglement of the loop is performed stably. Processing performance is further improved.
  • the yarn processing apparatus is the material processing apparatus according to any one of the first to fourth aspects of the invention, wherein the opposing portion of the collision body has a recess and a front end surface of the yarn discharge portion including the discharge port. And the flat part surrounding the said recessed part is formed, It is characterized by the above-mentioned.
  • the end of the collider will have a sharp shape.
  • variations in the shape of the end portion may occur in the collision body, or a minute chip may occur in the end portion, which greatly affects the processing of the yarn. Specifically, it causes thread tension variation and fluff generation.
  • the concave portion and the flat portion are provided so as to surround the concave portion in the facing portion of the collision body, the variation in the end portion shape of the facing portion is small, and chipping is not easily generated. , Yarn processing is stable.
  • the yarn processing apparatus according to any one of the first to fifth aspects, further comprising a nozzle holder for holding the nozzle, wherein the collision body is attached to the nozzle holder, and the nozzle holder Is provided with a yarn guide that guides the yarn that has passed through between the yarn discharge portion of the nozzle and the collision body.
  • the facing portion of the collision body that faces the discharge port of the nozzle is formed in a concave shape, a large space is secured between the yarn discharge section of the nozzle and the collision body, The fluid flow is likely to be disturbed. Therefore, loops and entanglement are likely to occur in the filament discharged from the yarn discharge section due to the intense fluid flow in the space, and the processing performance of the yarn is improved.
  • the improvement in yarn processing performance means that even if the yarn is processed at a higher yarn speed than before, it is possible to realize the same or higher processing quality, and it can be said that the productivity is improved.
  • FIG. 3 It is a front view of the yarn processing apparatus which concerns on embodiment of this invention. It is a left view of the yarn processing apparatus of FIG. It is the figure which showed a part of thread
  • (A) is an enlarged view of the nozzle and the collision body shown in FIG. 3, and
  • (b) is a right side view of the collision body of (a). It is sectional drawing of the collision body of a change form. It is sectional drawing of the nozzle and collision body of another modified form. It is a figure which shows the nozzle and collision body which were used by the Example and the comparative example.
  • FIG. 1 is a front view of the yarn processing apparatus of the present embodiment
  • FIG. 2 is a left side view of the yarn processing apparatus
  • FIG. 3 is a cross-sectional view of a part of the yarn processing apparatus of FIG. 4A is an enlarged view of the nozzle and the collision body shown in FIG. 3,
  • FIG. 4B is a right side view of the collision body of FIG.
  • the vertical and horizontal directions in FIGS. 1 and 3 are defined as vertical and horizontal directions.
  • the yarn processing apparatus 1 includes a nozzle 2, a nozzle holder 3 that holds the nozzle 2, and a collision body 4 provided on the nozzle holder 3.
  • the nozzle 2 will be described. As shown in FIGS. 3 and 4A, the nozzle 2 is formed in a cylindrical shape from a hard material such as metal or ceramics, and a flange portion 2a projecting in the radial direction is provided at one end portion of the nozzle 2. Yes. Further, a thread passage 10 extending in the cylinder axis direction of the nozzle 2 is formed inside the nozzle 2.
  • the yarn passage 10 includes a yarn introduction portion 11 formed on the flange portion 2a side (right side portion) of the nozzle 2, a yarn discharge portion 12 formed on the opposite side (left portion) of the flange portion 2a of the nozzle 2, and a yarn An air introduction portion 13 that connects the introduction portion 11 and the yarn discharge portion 12 is provided.
  • An introduction port 11a through which the yarn 31 is introduced is opened at the end surface of the flange portion 2a located at the right end portion of the nozzle 2, and the yarn introduction portion 11 is directed from the introduction port 11a to the tip side (left side in the figure). It is formed in a tapered shape whose inner diameter decreases.
  • a discharge port 12a through which the yarn 31 introduced into the yarn passage 10 is discharged is opened on the left end surface of the nozzle 2 on the side opposite to the flange portion 2a, and the yarn discharge unit 12 is connected to the discharge port 12a. It is formed in a divergent shape whose inner diameter increases as it goes.
  • the shape of the tapered yarn introduction portion 11 or the end-widening yarn discharge portion 12 for example, a tapered shape or a trumpet shape having a larger extent (curvature) at the opening end than the tapered shape can be adopted.
  • the yarn introduction portion 11 has a trumpet shape
  • the yarn discharge portion 12 has a taper shape.
  • the air injection hole 14 (fluid injection hole) opened to the air introduction part 13 of the yarn passage 10 is provided in the central part of the nozzle 2 in the cylinder axis direction.
  • FIG. 4A only one air injection hole 14 is shown, but in reality, a plurality (for example, three) of air injection holes 14 are arranged at equal intervals in the circumferential direction of the nozzle 2, respectively. Yes.
  • the air injection hole 14 extends obliquely toward the distal end side (left side) of the yarn passage 10 with respect to the radial direction of the nozzle 2 (the direction orthogonal to the yarn passage 10), and injects air into the yarn passage 10. When this happens, a strong air flow toward the left can be generated.
  • the nozzle holder 3 As shown in FIGS. 1 to 3, the nozzle holder 3 is formed in a rectangular parallelepiped shape that is slightly longer in the vertical direction. A mounting hole 20 that horizontally penetrates the nozzle holder 3 is formed in the upper portion of the nozzle holder 3.
  • the nozzle 2 described above is inserted into the mounting hole 20, but the diameter of the mounting hole 20 is smaller than the outer diameter of the flange portion 2 a of the nozzle 2. Therefore, the left end portion of the nozzle 2 is inserted into and attached to the mounting hole 20 from the right opening, while the flange portion 2 a provided at the right end portion of the nozzle 2 is not inserted into the mounting hole 20 and the right side surface of the nozzle holder 3.
  • the nozzle 2 is positioned with respect to the nozzle holder 3.
  • a restriction member 22 that prevents the nozzle 2 inserted into the mounting hole 20 from popping out to the right is attached to the nozzle holder 3.
  • An air supply hole 21 extending in the vertical direction is formed inside the nozzle holder 3, and the air supply hole 21 is connected to an air supply source (not shown).
  • the air injection hole 14 formed in the nozzle 2 communicates with the air supply hole 21, and the air supplied from the air supply hole 21 is air injection. It is injected from the hole 14 into the yarn passage 10.
  • the collision body 4 is a member having a substantially disk-like outer shape, and is formed of a hard material such as metal or ceramics.
  • the collision body 4 faces the left end surface of the nozzle 2 attached to the nozzle holder 3 (the front end surface where the discharge port 12a of the yarn discharge unit 12 is formed) with a slight gap.
  • a concave portion 4a is formed in the central portion of the colliding body 4 facing the discharge port 12a on the right surface facing the left end surface of the nozzle 2.
  • the inner surface of the recess 4 a has a circular arc-shaped cross section in a plane including the central axis of the nozzle 2. Further, the concave portion 4 a is surrounded by a flat portion 4 b having a flat surface parallel to the tip surface of the yarn discharge portion 12.
  • a mounting base member 23 is fixed to the lower left side surface of the nozzle holder 3 with a bolt or the like, and the lower portion of the block-shaped holder 24 is rotatable on the mounting base member 23 in a vertical plane. It is connected. Further, one end of a connecting rod 25 is fixed to the holder 24, and the collision body 4 is fixed to the other end of the connecting rod 25. In this configuration, as shown by a two-dot chain line in FIG.
  • the collision body 4 when the holder 24 rotates with respect to the mounting base member 23, the collision body 4 also rotates integrally. It can move over a position facing the discharge port 12a (a position indicated by a solid line) and a retreat position (a position indicated by a two-dot chain line) away from the discharge port 12a. Then, by moving the collision body 4 to the retracted position, threading into the nozzle 2 can be easily performed.
  • a thread guide 26 that guides the thread discharged from the nozzle 2 is attached to the mounting base member 23 fixed to the nozzle holder 3 via the mounting member 27.
  • the yarn holder 26 is further provided in the nozzle holder 3 in which the nozzle 2 and the collision body 4 are provided, and the nozzle 2 or the collision body 4 and the yarn guide 26 are integrated.
  • the yarn passed through the nozzle 2 from the right side in FIG. 1 and discharged from the yarn discharge portion 12 is guided upward via a yarn guide located on the front side (right side in FIG. 2) in FIG.
  • the position of the yarn guide 26 is automatically determined only by installing the yarn processing apparatus 1 at a predetermined position. There is no need to adjust the position relative to 2.
  • a yarn 31 made of a filament such as synthetic resin is introduced from an introduction port 11 a of a yarn introduction portion 11 provided in the nozzle 2 and guided to the air introduction portion 13.
  • air supplied from an air supply source (not shown) is injected into the air introduction portion 13 from the air injection hole 14.
  • the air injected into the air introduction unit 13 is discharged from the yarn discharge unit 12, and further collides with the collision body 4 disposed to face the discharge port 12a. Is discharged from the gap between the collision body 4 and the yarn discharge portion 12. At this time, the filament 31 constituting the yarn 31 is loosened by the intense air flow in the yarn discharge section 12, and further, the yarn 31 is bulky due to the occurrence of loops, entanglement, and the like due to intense movement of the individual filaments. Is granted.
  • the concave portion 4a is formed on the surface of the collision body 4 facing the discharge port 12a. Therefore, a large space is ensured between the yarn discharge portion 12 of the nozzle 2 and the collision body 4, and the air flow is easily disturbed in this space. Accordingly, loops and entanglement are likely to occur in the filament discharged from the yarn discharge section 12 by vigorous air flow, so that the yarn processing performance is improved. Further, the improvement in the processing performance of the yarn processing apparatus 1 means that even if processing is performed at a higher yarn speed than before, processing quality equivalent to the conventional one can be obtained, and productivity is improved. This reduces the amount of air consumed to process a unit length of yarn.
  • the concave portion 4a of the collision body 4 is formed by a continuous curved surface having an arc cross section.
  • the air discharged together with the yarn from the yarn discharging portion 12 flows along the inner surface in the space in the concave portion 4a, so that the air is less likely to locally stay in the filament. Loops and confounding are more likely to occur.
  • the concave portion 4a having an arc-shaped cross section has the most concave shape in the central portion (position where the central axis of the nozzle 2 passes), and the yarn discharged from the yarn discharge portion 12 is in the innermost portion of the concave portion 4a. It converges and collides. As described above, the yarn concentrates and collides with one place of the collision body 4, so that subsequent yarn processing (loop formation or entanglement) is stably performed, and the processing performance of the yarn is improved.
  • a concave portion 4a and a flat portion 4b are provided so as to surround the concave portion at a portion facing the discharge port 12a of the collision body 4.
  • the outer diameter of the collision body 4 is D
  • the diameter of the recess 4a is d
  • the width of the flat portion 4b is t
  • D d + 2t.
  • the width t of the flat portion 4b is 0 ⁇ t ⁇ 5. It is preferable to be determined in the range of (mm).
  • the concave shape of the collision body 4 facing the discharge port 12a of the nozzle 2 is not limited to the circular arc shape in the above embodiment.
  • (a) an elliptical arc shape, (b) a pan bottom shape, (c) a trapezoidal shape, (d) a conical shape, or the like may be employed as the cross-sectional shape of the recess 4 a.
  • the elliptical arc-shaped recess 4a in FIG. 5A has an inner surface formed in a curved surface, like the arc-shaped recess (see FIG. 4) of the above embodiment. For this reason, the air flows along the inner surface and is not likely to stay locally, and loops and entanglements are likely to occur in the yarn.
  • the elliptical arc shape of (a) and the conical shape of (d) since the most concave portion is in the center, the yarn is concentrated and collides with the innermost part of the collision body, so that subsequent yarn processing is stable. Done.
  • the recess 4a is not necessarily provided on a part of the surface of the collision body 4 on the discharge port 12a side, and the periphery of the recess 4a is not necessarily surrounded by the flat portion 4b.
  • the entire surface of the collision body 4 on the discharge port 12a side may be a recess 4a.
  • the nozzle 2 is not limited to the shape shown in FIG.
  • the yarn introduction portion 11 may be tapered and the yarn discharge portion 12 may be a trumpet shape.
  • the yarn introduction portion 11 may be a straight shape whose diameter does not change.
  • the collision body 4 is configured to be movable (rotated) with respect to the nozzle holder 3 in the embodiment, the collision body 4 may be fixed to the nozzle holder 3.
  • Nozzle and collision body specifications Table 1 shows the specifications of the four types of nozzles used in the examples and comparative examples, and Table 2 shows the specifications of the six kinds of collision bodies. Moreover, the combination of these nozzles and a collision body is shown in FIG.
  • the collision body is compared with the three types of collision bodies (Cup), which are the embodiments to which the present invention is applied, in which the portion facing the discharge port of the nozzle is formed in a concave shape.
  • a total of six types of two types of spherical impact bodies (Ball) and one type of flat impact body (Plate) are used.
  • (a) and (e) are 13 mm spherical collision bodies
  • (b) and (f) are 6 mm spherical collision bodies
  • (c) and (g) are flat plate collision bodies
  • (d) and (h) Is the concave collision body of the present invention.
  • all the six types of collision bodies are made of ceramics.
  • the core yarn and the effect yarn were processed by supplying them to the nozzles at different supply speeds, and the processing was performed by core & effect processing.
  • the yarn speed (discharge side yarn speed) on the downstream side of the nozzle is changed in four stages, and the overfeed amount (the amount of yarn supplied to the nozzle (supply side yarn speed)) for each of the core yarn and the effect yarn is discharged.
  • Tables 3 to 6 show the thread tension measurement results on the discharge side for polyester yarn (PET) having a yarn thickness of 150 denier, 300 denier, 600 denier, and 750 denier, respectively.
  • Table 7 shows the thread tension measurement result on the discharge side when the thread thickness is 140d with nylon thread (PA6).
  • PA6 nylon thread
  • a nozzle corresponding to the thickness of the thread is appropriately selected from the four types of nozzles in Table 1 and used.
  • the spherical collision body (Ball) and the flat plate collision body (Plate) have a tension of 11 grams only at a low speed of 350 m / min, whereas the concave collision body (Cup).
  • the tension is more than 11 grams, and a quality equivalent to or higher than the processing at a low speed of the spherical impact member or the flat impact member can be obtained.

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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)
PCT/JP2011/070376 2010-10-15 2011-09-07 糸処理装置 WO2012049924A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2012538606A JP5754817B2 (ja) 2010-10-15 2011-09-07 糸処理装置
KR1020137012256A KR101606376B1 (ko) 2010-10-15 2011-09-07 실 처리 장치
EP11832363.3A EP2628830B1 (en) 2010-10-15 2011-09-07 Yarn processing device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010-232624 2010-10-15
JP2010232624 2010-10-15

Publications (1)

Publication Number Publication Date
WO2012049924A1 true WO2012049924A1 (ja) 2012-04-19

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PCT/JP2011/070376 WO2012049924A1 (ja) 2010-10-15 2011-09-07 糸処理装置

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EP (1) EP2628830B1 (ko)
JP (1) JP5754817B2 (ko)
KR (1) KR101606376B1 (ko)
TW (1) TWI586859B (ko)
WO (1) WO2012049924A1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI815821B (zh) * 2017-10-16 2023-09-21 瑞士商希伯萊因股份有限公司 用於處理紗線的噴嘴及裝置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000514509A (ja) * 1996-02-15 2000-10-31 ヘーバーライン・ファーザーテヒノロギー・アクチェンゲゼルシャフト 空気力学的にテクスチャード加工する方法、テクスチャーノズル、ノズルヘッドおよびその使用
JP2001140137A (ja) * 1999-11-12 2001-05-22 Unitika Ltd 糸条衝突体を備えた流体噴射装置。

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2634460C2 (de) * 1976-07-29 1982-07-01 Heberlein Maschinenfabrik AG, 9630 Wattwil Vorrichtung zum Texturieren von aus endlosen, synthetischen Filamenten bestehenden Garnen
KR200296972Y1 (ko) * 2002-08-26 2002-12-05 이화공업주식회사 인터레이스기의 노즐부 실 날림 방지용 가이드 텐션장치
CN2591054Y (zh) * 2002-12-19 2003-12-10 陈家寿 新型空气变形喷嘴

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000514509A (ja) * 1996-02-15 2000-10-31 ヘーバーライン・ファーザーテヒノロギー・アクチェンゲゼルシャフト 空気力学的にテクスチャード加工する方法、テクスチャーノズル、ノズルヘッドおよびその使用
JP2001140137A (ja) * 1999-11-12 2001-05-22 Unitika Ltd 糸条衝突体を備えた流体噴射装置。

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI815821B (zh) * 2017-10-16 2023-09-21 瑞士商希伯萊因股份有限公司 用於處理紗線的噴嘴及裝置

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EP2628830B1 (en) 2015-07-01
EP2628830A4 (en) 2014-04-02
KR20140010365A (ko) 2014-01-24
TWI586859B (zh) 2017-06-11
KR101606376B1 (ko) 2016-03-25
JP5754817B2 (ja) 2015-07-29
TW201229342A (en) 2012-07-16
EP2628830A1 (en) 2013-08-21
JPWO2012049924A1 (ja) 2014-02-24

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