EP4582364A1 - Wickelvorrichtung - Google Patents

Wickelvorrichtung Download PDF

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Publication number
EP4582364A1
EP4582364A1 EP24219921.4A EP24219921A EP4582364A1 EP 4582364 A1 EP4582364 A1 EP 4582364A1 EP 24219921 A EP24219921 A EP 24219921A EP 4582364 A1 EP4582364 A1 EP 4582364A1
Authority
EP
European Patent Office
Prior art keywords
winding
yarn
bobbin
traverse
guide
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
EP24219921.4A
Other languages
English (en)
French (fr)
Other versions
EP4582364B1 (de
Inventor
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 EP4582364A1 publication Critical patent/EP4582364A1/de
Application granted granted Critical
Publication of EP4582364B1 publication Critical patent/EP4582364B1/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
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/28—Traversing devices; Package-shaping arrangements
    • B65H54/2821—Traversing devices driven by belts or chains
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H57/00—Guides for filamentary materials; Supports therefor
    • B65H57/28—Reciprocating or oscillating guides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/28—Traversing devices; Package-shaping arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/28—Traversing devices; Package-shaping arrangements
    • B65H54/2848—Arrangements for aligned winding
    • B65H54/2854—Detection or control of aligned winding or reversal
    • B65H54/2869—Control of the rotating speed of the reel or the traversing speed for aligned winding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/28—Traversing devices; Package-shaping arrangements
    • B65H54/2884—Microprocessor-controlled traversing devices in so far the control is not special to one of the traversing devices of groups B65H54/2803 - B65H54/325 or group B65H54/38
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/40—Arrangements for rotating packages
    • B65H54/54—Arrangements for supporting cores or formers at winding stations; Securing cores or formers to driving members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/70—Other constructional features of yarn-winding machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H57/00—Guides for filamentary materials; Supports therefor
    • B65H57/06—Annular guiding surfaces; Eyes, e.g. pigtails
    • 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
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/174—Textile; fibres
    • 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 winding apparatus and a winding method for winding a yarn, which is traversed in a shaft direction of a bobbin, onto the bobbin, to form a package.
  • Winding apparatuses have been known configured to wind fibers onto bobbins to form packages.
  • Patent Document 1 discloses a winding machine configured to form a package with excellent unwinding properties.
  • Patent Document 1 Japanese Patent Application Publication No. 2004-142944
  • the yarn when unwinding the yarn from the package, the yarn may be unwound in a shaft direction of the bobbin (hereinafter referred to as lateral unwinding). In this case, it can be unwound without any problem when the package wound by the winding machine described in Patent Document 1 is used.
  • lateral unwinding a shaft direction of the bobbin
  • the yarn when the yarn is laterally unwound from a symmetrical package, there is a risk of occurring of unfavorable unwinding due to a winding state of the package becoming irregular, during an unwinding process.
  • the present invention has been made in view of the above-described technical problems, and an object thereof is to provide a winding apparatus and a winding method for forming a package capable of suppressing an occurrence of unfavorable unwinding during an unwinding process of lateral unwinding.
  • a first aspect of the present invention is a winding apparatus configured to wind a yarn traversed in a shaft direction of a cylindrical bobbin onto the bobbin to form a package, the winding apparatus comprising:
  • the false-twist texturing unit 102 false-twists the yarns Y supplied from the yarn supplying unit 101. Specifically, the false-twist texturing unit 102 draws the yarns Y supplied from the yarn supplying unit 101 with a plurality of rollers to twist the yarns Y. The yarns Y are then cooled after being heated. Then, the false-twist texturing unit 102 thermally sets the yarns Y while being relaxed with the plurality of rollers to be supplied to the winding unit 103.
  • the winding apparatus 1 includes a rotating unit 10 configured to rotate the bobbin Bw centering around the shaft direction, and a yarn threading apparatus 20 configured to wind the yarn Y, which is traversed along the shaft direction of the bobbin Bw, onto the bobbin Bw.
  • the winding width position used herein means a length from a position of starting the winding to a position of the traverse guide 241 which has moved in the first direction or the second direction. For example, when the winding is started from the position A and the traverse guide 241 moves to the position B along the first direction, the length from the position A to the position B corresponds to the winding width position. When the winding is started from the position C and the traverse guide 241 moves to the position B along the second direction, the length from the position C to the position B corresponds to the winding width position.
  • the winding width is 120 mm
  • a traversing fulcrum distance (distance from the dashed line P2 to the traversing fulcrum guide 23 in FIGs. 4 and 5 (distance in the up-and-down direction of the drawing sheet in FIGs. 4 and 5 , and the same applies below)) is 500 mm
  • the rotation speed of the bobbin Bw is 1000 m/min
  • the speed of the traverse guide 241 is 105.1 m/min (traverse angle is 6 degrees).
  • the winding width is 120 mm
  • an offset distance (distance from the dash-dot line P1 to the traversing fulcrum guide 23 in FIG. 5 (distance in the right-left direction of the drawing sheet in FIG. 5 , and the same applies below)) of the traversing fulcrum guide 23 is 9.5 mm
  • the rotation speed of the bobbin Bw is 1000 m/min
  • the first speed of the traverse guide 241 is 140.5 m/min (traverse angle is 8 degrees)
  • the second speed of the traverse guide 241 is 69.9 m/min (traverse angle is 4 degrees).
  • the winding width is 120 mm
  • the offset distance of the traversing fulcrum guide 23 is 14.5 mm
  • the traversing fulcrum distance is 500 mm
  • the rotation speed of the bobbin Bw is 1000 m/min
  • the first speed of the traverse guide 241 is 148.4 m/min (traverse angle is 9 degrees)
  • the second speed of the traverse guide 241 is 52.4 m/min (traverse angle is 3 degrees).
  • the winding width is 120 mm
  • the offset distance of the traversing fulcrum guide 23 is 11 mm
  • the traversing fulcrum distance is 500 mm
  • the rotation speed of the bobbin Bw is 1000 m/min
  • the first speed of the traverse guide 241 is 105.1 m/min (traverse angle is 6 degrees)
  • the second speed of the traverse guide 241 is 17.5 m/min (traverse angle is 1 degree).
  • the winding width is 200 mm
  • the offset distance of the traversing fulcrum guide 23 is 27 mm
  • the traversing fulcrum distance is 800 mm
  • the rotation speed of the bobbin Bw is 1000 m/min
  • the first speed of the traverse guide 241 is 286.7 m/min (traverse angle is 16 degrees)
  • the second speed of the traverse guide 241 is 140.5 m/min (traverse angle is 8 degrees).
  • the winding width is 200 mm
  • the offset distance of the traversing fulcrum guide 23 is 43 mm
  • the traversing fulcrum distance is 800 mm
  • the rotation speed of the bobbin Bw is 1000 m/min
  • the first speed of the traverse guide 241 is 324.9 m/min (traverse angle is 18 degrees)
  • the second speed of the traverse guide 241 is 105.1 m/min (traverse angle is 6 degrees).
  • the difference Ld1 in the guide length when traversing in the first direction is the same as the difference Ld1 in the guide length when traversing in the second direction
  • the difference Ld2 in the guide length when traversing in the first direction is the same as the difference Ld2 in the guide length when traversing in the second direction. Therefore, the winding lengths of the yarn Y are the same between the case of traversing in the first direction and the case of traversing in the second direction. Accordingly, since the yarn Y is always wound around the bobbin Bw at a constant winding tension, it is possible to form a high-quality yarn supply package Ps.
  • the difference Ld1 in the guide length when traversing in the first direction is different from the difference Ld1 in the guide length when traversing in the second direction
  • the difference Ld2 in the guide length when traversing in the first direction is different from the difference Ld2 in the guide length when traversing in the second direction.
  • the total value of the difference Ld2 in the wound length and the difference Ld1 in the guide length is the same between the case of traversing in the first direction and the case of traversing in the second direction. Therefore, the winding lengths of the yarn Y are the same between the case of traversing in the first direction and the case of traversing in the second direction. Accordingly, since the yarn Y is always wound around the bobbin Bw at a constant winding tension, it is possible to form a high-quality yarn supply package Ps.
  • FIG. 12 is a flow chart regarding an operation of the winding apparatus 1.
  • the winding apparatus 1 executes a process in the flow chart illustrated in FIG. 12 by the CPU of the control device 25 reading a program stored in the ROM into the RAM to be executed.
  • a winding method is executed by operating the winding apparatus 1. Accordingly, the description of the winding method in the present embodiment is substituted by the following description of the operation of the winding apparatus 1.
  • the traversing fulcrum guide 23 is disposed at the winding center.
  • the control device 25 causes the yarn engagement portion 22A to hold the yarn Y, and rotates the yarn threading arm 22 to thread and hook the yarn Y onto the hook (S1).
  • the control device 25 moves the traversing fulcrum guide 23 from the winding center to the first direction side (S2).
  • the control device 25 rotates the contact roller 12, thereby rotating the bobbin Bw (S3). Consequently, the winding of the yarn Y onto the bobbin Bw is started.
  • the control device 25 controls driving of the traverse guide driving motor 30 to rotate the driving pulley 33, thereby controlling movement of the traverse guide 241 (S4). At this time, the control device 25 moves the traverse guide 241 in the first direction at the first speed, and moves the traverse guide 241 in the second direction at the second speed ( ⁇ the first speed).
  • the control device 25 obtains information on the winding diameter of the yarn supply package Ps (S5).
  • the control device 25 determines whether the winding diameter is equal to or greater than a threshold value on the basis of the obtained information on the winding diameter (S6).
  • the control device 25 changes the first speed and the second speed (S7) in accordance with the obtained information on the winding diameter to adjust the offset distance of the traversing fulcrum guide 23 (S8). Then, the control device 25 executes the process of S5 again.
  • the control device 25 moves the traversing fulcrum guide 23 to the winding center (S9), performs speed control to make the speed of the traverse guide 241 the same between the first direction and the second direction (S10), and moves the traverse guide 241. Then, the control device 25 waits until the winding is completed (S11), and when the winding is completed, ends the process illustrated in FIG. 12 .
  • the winding apparatus 1 configured as described above can form a yarn supply package Ps capable of efficient unwinding when the laterally unwinding from the end portion of the bobbin Bw in the second direction.
  • a yarn supply package Ps capable of efficient unwinding when the laterally unwinding from the end portion of the bobbin Bw in the second direction.
  • the traverse angle when traversing in the first direction, the traverse angle is increased, and when traversing in the second direction, the traverse angle is decreased. This makes it possible to suppress the yarns from getting caught on each other when unwinding in the second direction, thereby enabling efficient unwinding.
  • the traversing fulcrum guide 23 is disposed at the winding center, and the first speed and the second speed of the traverse guide 241 are made the same.
  • the traverse guide 241 is reciprocated so that the second speed is slower than the first speed, and the position of the traversing fulcrum guide 23 is disposed to be offset toward the first direction side from the winding center within a winding range of the bobbin Bw.
  • the yarn Y is wound around the bobbin Bw at a constant winding tension, thereby making it possible to form a high-quality yarn supply package Ps.
  • the traversing fulcrum guide 23 when the winding diameter of the yarn supply package Ps becomes equal to or greater than the threshold value, the traversing fulcrum guide 23 is moved to the winding center as in principle, and the first speed and the second speed of the traverse guide 241 are always the same constant speed.
  • the traverse angle at the end portion on the offset side (first direction side) of the yarn supply package Ps becomes large. In this case, when laterally unwinding in the unwind direction (refer to FIG. 3 ), friction of the yarn Y occurs.
  • the traverse angle can be reduced by disposing the position of the traversing fulcrum guide 23 at the winding center. Consequently, it is possible to prevent friction of the yarn Y and to form a high-quality yarn supply package Ps.
  • the traverse guide 241 may be reciprocated so that the second speed is slower than the first speed, and the position of the traversing fulcrum guide 23 may be disposed to be offset toward the first direction side from the winding center within the winding range of the bobbin Bw.
  • it is effective in particular when the winding diameter of the yarn supply package at the time when the end of the winding is smaller than the above-described threshold value.
  • the winding apparatus 1 of the above-described embodiment is configured so that the traverse guide 241 reciprocates controlled by the control device 25, using the belt traverse as a traverse device.
  • a blade traverse, a drum traverse, a cam traverse, or an arm traverse may be used to change the ratio between the first speed and the second speed of the traverse guide 241.
  • control device 25 is configured to have the functions of each part by executing an installed program, but it may also be implemented by using hardware corresponding to each part. Alternatively, a part of the control device 25 may be implemented by a program and the rest thereof may be implemented by hardware. Furthermore, each process executed by the control device 25 may not be executed in the order described with FIG. 12 , but the order may be changed as appropriate.
  • the obtaining unit 251 has been described as being configured to calculate the winding diameter information from various pieces of information.
  • the obtaining unit 251 may be configured to irradiate the yarn supply package Ps with ultrasonic waves or laser light to detect the winding diameter of the yarn supply package Ps from reflected light.
  • the obtaining unit 251 may be configured to capture an image of the yarn supply package Ps with an image capture device to detect the winding diameter of the yarn supply package Ps through image processing.
  • the obtaining unit 251 may be configured to obtain the winding diameter of the yarn supply package Ps detected by another external device from this external device, or may be configured to obtain the winding diameter which is manually entered.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Winding Filamentary Materials (AREA)
  • Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
EP24219921.4A 2023-12-28 2024-12-13 Wickelvorrichtung Active EP4582364B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2023223148 2023-12-28

Publications (2)

Publication Number Publication Date
EP4582364A1 true EP4582364A1 (de) 2025-07-09
EP4582364B1 EP4582364B1 (de) 2025-12-03

Family

ID=93923977

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24219921.4A Active EP4582364B1 (de) 2023-12-28 2024-12-13 Wickelvorrichtung

Country Status (4)

Country Link
EP (1) EP4582364B1 (de)
JP (1) JP2025105504A (de)
CN (1) CN120229609A (de)
TW (1) TW202525691A (de)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0999992B1 (de) * 1997-07-26 2004-01-28 Barmag Ag Verfahren und changiereinrichtung zum verlegen eines fadens
JP2004142944A (ja) 2002-09-30 2004-05-20 Fuji Spinning Co Ltd 弾性糸巻糸体およびその製造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0999992B1 (de) * 1997-07-26 2004-01-28 Barmag Ag Verfahren und changiereinrichtung zum verlegen eines fadens
JP2004142944A (ja) 2002-09-30 2004-05-20 Fuji Spinning Co Ltd 弾性糸巻糸体およびその製造方法

Also Published As

Publication number Publication date
JP2025105504A (ja) 2025-07-10
EP4582364B1 (de) 2025-12-03
CN120229609A (zh) 2025-07-01
TW202525691A (zh) 2025-07-01

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