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WO2021153679A1 - Buse de filage et dispositif de filage - Google Patents

Buse de filage et dispositif de filage Download PDF

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Publication number
WO2021153679A1
WO2021153679A1 PCT/JP2021/003064 JP2021003064W WO2021153679A1 WO 2021153679 A1 WO2021153679 A1 WO 2021153679A1 JP 2021003064 W JP2021003064 W JP 2021003064W WO 2021153679 A1 WO2021153679 A1 WO 2021153679A1
Authority
WO
WIPO (PCT)
Prior art keywords
hole
spinning nozzle
wall surface
nozzle according
protective cylinder
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.)
Ceased
Application number
PCT/JP2021/003064
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English (en)
Japanese (ja)
Inventor
浩 浜島
聖河 及川
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.)
Kyocera Corp
Original Assignee
Kyocera Corp
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 Kyocera Corp filed Critical Kyocera Corp
Priority to CN202180010161.7A priority Critical patent/CN115003869B/zh
Priority to JP2021574112A priority patent/JP7308988B2/ja
Publication of WO2021153679A1 publication Critical patent/WO2021153679A1/fr
Anticipated expiration legal-status Critical
Ceased 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

Definitions

  • the present disclosure relates to spinning nozzles and spinning devices for use in the processing of yarn Taslan (DuPont, registered trademark).
  • Taslan processing has been widely used as a method of binding threads strongly in a loop shape with a bulky force by the force of compressed air.
  • nozzles used for this Taslan processing in Patent Document 1, a direct thread passage capable of introducing a thread from one end and pulling out a textured processed thread from the other end, and compressed air for sending the thread through the thread passage in the traveling direction. Texture nozzles with diagonal compressed air holes for feeding have been proposed.
  • Patent Document 1 describes that the texture nozzle is made of ceramics, cemented carbide or special steel.
  • the spinning nozzle of the present disclosure includes a supply unit having a first through hole for supplying yarn along the central axis, a second through hole connected to the first through hole along the central axis, and the second through hole.
  • a main cylinder comprising an entangled portion having a plurality of through holes intersecting with and a discharge portion having a third through hole connected to the second through hole along the central axis and ejecting the entangled yarn.
  • a protective cylinder which is mounted in each of the plurality of through holes and has a flow path for supplying a gas for entangled threads from the outside toward the second through hole.
  • the spinning apparatus of the present disclosure includes the above-mentioned spinning nozzle.
  • FIG. 1 is a schematic cross-sectional view showing an embodiment of the spinning nozzle of the present disclosure.
  • the spinning nozzle 1 shown in FIGS. 1 and 4 is used in a spinning device for so-called Taslan processing.
  • Taslan processing is usually a process in which compressed air is blown onto the yarn (filament) and the yarn is mixed and entangled to form loops or slacks on the surface of the yarn, thereby increasing bulkiness and softening the texture. say.
  • the spinning nozzle 100 includes a main cylinder 1 in which a tubular supply portion 2, an entanglement portion 3, and a discharge portion 4 are arranged in order along the central axis C (axis center) in the direction indicated by the arrow A. ..
  • the supply unit 2 has a first through hole 5 to which the thread is supplied in the direction indicated by the arrow A.
  • the entangled portion 3 has a second through hole 6 connected to the first through hole 5 along the central axis C.
  • the discharge unit 4 has a third through hole 7 that is connected to the second through hole 6 along the central axis C and discharges the entangled yarn.
  • the first through hole 5, the second through hole 6, and the third through hole 7 all have a circular cross-sectional shape perpendicular to the central axis C.
  • the entangled portion 3 further has a plurality of through holes 8 that intersect with the second through hole 6.
  • Each through hole 8 extends from the bottom of the notch 9 formed on the outer peripheral surface of the entangled portion 3 toward the second through hole 6. It is preferable that two or five through holes 8 are formed in the circumferential direction of the main cylinder 1.
  • the cutout portion 9 is for attaching an air supply tube for air or the like.
  • Protective cylinders 10 are respectively mounted in the plurality of through holes 8 (see FIG. 2).
  • the protective cylinder 10 has a flow path 11 for supplying a gas such as air that entangles threads from the outside toward the second through hole 6. Therefore, unlike the conventional case, it is not necessary to drill the spinning nozzle from the outside to form a flow path at the time of manufacturing, so that the portion where the flow path 11 and the second through hole 6 intersect at an acute angle is not chipped. Further, even if the number of contacts with the thread increases at the intersection, the thread is less likely to be chipped.
  • the flow path 11 is inclined from the outer peripheral surface of the entangled portion 3 toward the discharge portion 4.
  • the inclination angle of the flow path 11 is preferably about 40 ° or more and 56 ° or less, preferably about 43 ° or more and 53 ° or less with respect to the central axis C.
  • the cross-sectional shape of the flow path 11 is not limited to a circle, and may be a polygon such as an ellipse or a rectangle.
  • the inner diameter of the protective cylinder 10, and therefore the diameter of the flow path 11, is preferably 0.3 mm or more and 1.0 mm or less. Further, the wall thickness of the protective cylinder 10 is preferably 1.0 mm or more and 2.0 mm or less.
  • one end 10a of the protective cylinder 10 is located at the intersection of the through hole 8 and the second through hole 6, and at least the end surface located at the intersection is a polished surface.
  • the entire surface of the protective cylinder 10 including one end 10a may be a polished surface.
  • one end 10a of the protective cylinder 10 needs to be located at the intersection of the through hole 8 and the second through hole 6, and it is preferable that the one end 10a excessively protrudes into the second through hole 6. do not have.
  • the protective cylinder 10 is manufactured separately from the main cylinder 1 including the entangled portion 3. Therefore, since it is necessary to prevent the protective cylinder 10 from easily falling out of the through hole 8 of the main cylinder 1, the outer wall surface of the protective cylinder 10 is joined to the inner wall surface of the through hole 8. For that purpose, for example, it is preferable to interpose an intervening layer 12 mainly composed of glass or epoxy resin between the inner wall surface of the through hole 8 and the outer wall surface 10 of the protective cylinder. As a result, the bonding strength of the protective cylinder 10 to the main cylinder 1 is increased, so that the reliability over a long period of time is improved.
  • the glass examples include low melting point glass frit and the like.
  • low melting point glass frit bismuth containing 70% or more of Bi 2 O 3 and 15% or less of B 2 O 3 and Zn O, respectively, and 5% or more of a mixture of organic substances such as ethyl cellulose and terpineol.
  • a system seal, frit paste, or the like can be used.
  • the intervening layer 12 containing an epoxy resin as a main component contains, for example, an epoxy resin adhesive.
  • the fact that glass or epoxy resin is the main component means that these are contained in an amount of 70% by mass or more of the total amount.
  • the other intervening layer 12 may be mainly composed of cyanoacrylate.
  • an adhesive layer 12 containing ⁇ -cyanoacrylate as a main component can be mentioned.
  • the fact that cyanoacrylate is the main component means that cyanoacrylate is contained in an amount of 70% by mass or more of the total amount. Since the intervening layer 12 containing cyanoacrylate as a main component can be easily dissolved with an organic solvent such as acetone, a protective cylinder having a different diameter of the flow path 11 depending on the material, thickness, and application of the thread to be entangled. Can be exchanged for.
  • both the main cylinder 1 and the protective cylinder 10 are made of ceramics
  • the inner wall surface of the through hole 8 and the outer wall surface of the protective cylinder 10 are brought into contact with each other and joined without interposing the intervening layer 12. Can be done.
  • the inner wall surface of the through hole 8 and the outer wall surface of the protective cylinder 10 are each polished in advance, and then water is adhered to at least one surface by spraying the protective cylinder 10 inside the through hole 8.
  • press-fitting the inner wall surface of the through hole 8 and the outer wall surface of the protective cylinder 10 are attracted to each other.
  • both sides are joined to each other.
  • the weight of the protective cylinder 10 is used, and the heat treatment is preferably performed at a temperature of 1000 ° C. or higher and 1800 ° C. or lower for about 30 to 120 minutes.
  • the heat treatment is preferably performed at a temperature of 1000 ° C. or higher and 1800 ° C. or lower for about 30 to 120 minutes.
  • the main cylinder 1 is often made of, for example, ceramics such as titanium carbide ceramics, titanium carbide ceramics, titanium nitride ceramics, aluminum oxide ceramics, zirconium oxide ceramics, and composite ceramics of aluminum oxide and zirconium oxide.
  • ceramics such as titanium carbide ceramics, titanium carbide ceramics, titanium nitride ceramics, aluminum oxide ceramics, zirconium oxide ceramics, and composite ceramics of aluminum oxide and zirconium oxide.
  • aluminum oxide ceramics, zirconium oxide ceramics, and composite ceramics of aluminum oxide and zirconium oxide are preferable.
  • the mechanical properties and wear resistance of the main cylinder 1 can be improved.
  • the mechanical properties of the ceramics for example, the Vickers hardness based on JIS R 1610: 2003 is 10 GPa or more, and the three-point bending strength based on JIS R 1601: 2008 is 310 MPa or more.
  • the ceramics constituting the main cylinder 1 are ceramics in which titanium carbide accounts for 70% by mass or more of the total 100% by mass of the components, and titanium nitride ceramics and titanium nitride.
  • the composite ceramics of aluminum oxide and zirconium oxide are ceramics containing at least 10% by mass or more of aluminum oxide and zirconium oxide in the total content of 100% by mass or more, respectively, and the total content is 70% by mass or more.
  • the components constituting the ceramics can be identified from the measurement results by an X-ray diffractometer using CuK ⁇ rays, and the content of each component can be determined, for example, by an ICP (Inductively Coupled Plasma) emission spectroscopic analyzer or fluorescence. It can be obtained by an X-ray analyzer.
  • ICP Inductively Coupled Plasma
  • the protective cylinder 10 is made of, for example, ceramics, metal, resin or the like having excellent wear resistance.
  • ceramics for example, ceramics similar to the above ceramics constituting the main cylinder 1 can be used.
  • metal for example, stainless steel (SUS304 or the like), carbon steel (S35C, S45C or the like), general structural rolled steel (SS400 or the like), aluminum, aluminum alloy, magnesium or magnesium alloy or the like can be used.
  • resin for example, polyethylene, polyvinyl chloride, polystyrene, polycarbonate, polysulfone, polyamide, polyphenylene oxide, urea resin, melamine resin, phenol resin, epoxy resin and the like can be used.
  • the inner wall surface of the protective cylinder 10 forming the flow path 11 is the difference between the cutting level at a load length rate of 25% on the roughness curve and the cutting level at a load length rate of 75% on the roughness curve. It is preferable that the cutting level difference (R ⁇ c) in the roughness curve representing the above is 0.3 ⁇ m or less (however, excluding 0 ⁇ m). Further, the inner wall surface of the protective cylinder 10 forming the flow path 11 preferably has an arithmetic average roughness Ra of 0.2 ⁇ m or less (excluding 0 ⁇ m) in the roughness curve.
  • At least one of the inner wall surfaces forming the first through hole 5, the second through hole 6 and the third through hole 7 has a cutting level at a load length rate of 25% in the roughness curve and roughness.
  • the cutting level difference (R ⁇ c) on the roughness curve which represents the difference from the cutting level at a load length rate of 75% on the curve, is preferably 0.3 ⁇ m or less (excluding 0 ⁇ m).
  • At least one of the inner wall surfaces forming the first through hole 5, the second through hole 6 and the third through hole 7 has an arithmetic average roughness Ra of 0.2 ⁇ m or less (excluding 0 ⁇ m) in the roughness curve. It is good to have it.
  • the cutting level difference (R ⁇ c) and arithmetic mean roughness (Ra) shall be measured using a shape analysis laser microscope (manufactured by KEYENCE CORPORATION, VK-X1100 or its successor model) in accordance with JIS B 0601: 2001. Can be done.
  • the measurement conditions are a magnification of 120 times, no cutoff value ⁇ s, a cutoff value ⁇ c of 0.08 mm, and no cutoff value ⁇ f.
  • the measurement range per place from the inner wall surface to be measured is set to, for example, 1024 ⁇ m ⁇ 768 ⁇ m, and the measurement range is set to be approximately equal intervals along the longitudinal direction for each measurement range.
  • the line roughness may be measured for a total of eight lines to be measured in the two measurement ranges.
  • the length of one line to be measured is, for example, 1280 ⁇ m.
  • the spinning nozzle 100 has a protective cylinder 10 having a flow path 11 for supplying a gas for entwining the yarn toward the second through hole 6 into the through hole 8 formed in the main cylinder 1. Therefore, the flow path 11 can be easily formed, the spinning nozzle 100 can be easily manufactured, and at the time of manufacturing, the portion where the flow path 11 and the second through hole 6 intersect at an acute angle is formed. It becomes hard to chip.
  • FIG. 3 shows another example of the confounding portion 3'in the present disclosure.
  • the protective cylinder 10' has a flange portion 13 that locks to the bottom surface of the notch portion 9. Therefore, there is an advantage that the protective cylinder 10'can be easily positioned when the protective cylinder 10'is mounted in the through hole 8, and the manufacturing efficiency is improved.
  • Others are the same as those in the above-described embodiment, and thus the same reference numerals are given and the description thereof will be omitted.
  • the first through hole 5 has a truncated cone-shaped inner peripheral surface 2a whose diameter is reduced from the side to which the thread is supplied toward the second through hole 6, and the inner circumference of the truncated cone is formed.
  • the apex angle ⁇ of the surface 2a is preferably 13 ° or more and 19 ° or less. When the apex angle ⁇ is 13 ° or more, the opening area on the side where the yarn is supplied becomes large, so that the yarn can be easily supplied. When the apex angle ⁇ is 19 ° or less, the thickness around the end face on the side where the yarn is supplied can be sufficiently secured, so that chipping or chipping from the supply portion 2 is less likely to occur.
  • the third through hole 7 has a trumpet-shaped inner peripheral surface 7a whose diameter increases toward the side where the thread is discharged, and the radius of curvature R of the inner peripheral surface forming the trumpet-shaped inner peripheral surface 7a is the third. It may be four times or more the diameter of the two holes 6.
  • the trumpet-shaped inner peripheral surface 7a has a function of forming loops and loosening of the thread-like surface, and a supersonic flow is generated in the third through hole 7, for example, an air velocity of 450 m / s or more can be obtained. Therefore, if there is a trumpet-shaped inner peripheral surface 7a, the yarn discharge speed is increased and the production efficiency is improved.
  • the threads are entangled more efficiently.
  • the diameter of the second through hole 6 is 1 mm or more and 1.4 mm or less
  • the radius of curvature R of the inner peripheral surface 7a is 5 mm or more and 7 mm or less.
  • the spinning nozzle 100 of the present disclosure is used in a spinning device for spinning Taslan-processed yarn.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Abstract

Cette buse de filage (100) comprend : un tube principal (1) pourvu d'une section d'alimentation (2) comportant un premier trou traversant (5) par lequel un fil est amené le long d'un axe central, un deuxième trou traversant (6) relié au premier trou traversant le long de l'axe central, une section d'entrelacement (3) comportant une pluralité de trous traversants (8) qui se croisent avec le deuxième trou traversant, et une section d'évacuation (4) qui est reliée au deuxième trou traversant le long de l'axe central et comporte un troisième trou traversant (7) par lequel le fil entrelacé est évacué ; et des tubes de protection (10) respectivement montés à l'intérieur de la pluralité de trous traversants, chacun des tubes de protection comportant une voie d'écoulement pour amener un gaz en vue d'entrelacer le fil de l'extérieur vers le deuxième trou traversant.
PCT/JP2021/003064 2020-01-31 2021-01-28 Buse de filage et dispositif de filage Ceased WO2021153679A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202180010161.7A CN115003869B (zh) 2020-01-31 2021-01-28 纺丝喷嘴及纺丝装置
JP2021574112A JP7308988B2 (ja) 2020-01-31 2021-01-28 紡糸ノズルおよび紡糸装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020-014728 2020-01-31
JP2020014728 2020-01-31

Publications (1)

Publication Number Publication Date
WO2021153679A1 true WO2021153679A1 (fr) 2021-08-05

Family

ID=77078245

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2021/003064 Ceased WO2021153679A1 (fr) 2020-01-31 2021-01-28 Buse de filage et dispositif de filage

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Country Link
JP (1) JP7308988B2 (fr)
CN (1) CN115003869B (fr)
TW (1) TWI771886B (fr)
WO (1) WO2021153679A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49111553U (fr) * 1973-01-18 1974-09-24
JPS5255757A (en) * 1975-11-04 1977-05-07 Asahi Chemical Ind Fluid treatment apparatus for filament
JPS5482457A (en) * 1977-12-15 1979-06-30 Toray Industries Apparatus for acting jet stream to yarn
JPS54106343U (fr) * 1978-01-13 1979-07-26

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5717976B2 (fr) * 1972-07-17 1982-04-14
US3978558A (en) * 1976-01-12 1976-09-07 J. P. Stevens & Co., Inc. Air jet yarn entanglement
JP3911303B2 (ja) * 1996-04-01 2007-05-09 京セラ株式会社 インターレースノズル
JPH11256445A (ja) * 1998-03-13 1999-09-21 Toray Ind Inc 糸条の流体処理装置、および、交絡したフィラメントからなる糸条
US6562282B1 (en) * 2000-07-20 2003-05-13 Rtica, Inc. Method of melt blowing polymer filaments through alternating slots
DE10150357A1 (de) * 2001-10-15 2003-04-17 Do Ceram Ingenieurkeramik Gmbh Garnbehandlungsvorrichtung
TWI301518B (en) * 2004-06-30 2008-10-01 Oerlikon Heberlein Temco Wattwil Ag Device and process for the treatment of filament yarn
JP5249510B2 (ja) * 2006-02-10 2013-07-31 株式会社Ａｉｋｉリオテック 圧縮流体処理ノズル

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49111553U (fr) * 1973-01-18 1974-09-24
JPS5255757A (en) * 1975-11-04 1977-05-07 Asahi Chemical Ind Fluid treatment apparatus for filament
JPS5482457A (en) * 1977-12-15 1979-06-30 Toray Industries Apparatus for acting jet stream to yarn
JPS54106343U (fr) * 1978-01-13 1979-07-26

Also Published As

Publication number Publication date
TW202136601A (zh) 2021-10-01
JP7308988B2 (ja) 2023-07-14
TWI771886B (zh) 2022-07-21
CN115003869A (zh) 2022-09-02
JPWO2021153679A1 (fr) 2021-08-05
CN115003869B (zh) 2023-05-12

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