WO2014204201A1 - 박막 필름의 권취 장치 및 이를 이용한 권취 방법 - Google Patents

박막 필름의 권취 장치 및 이를 이용한 권취 방법 Download PDF

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Publication number
WO2014204201A1
WO2014204201A1 PCT/KR2014/005353 KR2014005353W WO2014204201A1 WO 2014204201 A1 WO2014204201 A1 WO 2014204201A1 KR 2014005353 W KR2014005353 W KR 2014005353W WO 2014204201 A1 WO2014204201 A1 WO 2014204201A1
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WO
WIPO (PCT)
Prior art keywords
winding
thin film
tension
wound
section
Prior art date
Application number
PCT/KR2014/005353
Other languages
English (en)
French (fr)
Korean (ko)
Inventor
전검배
김광선
박래근
이현우
안계운
김영태
Original Assignee
Chon Gom-Bai
Kim Kwang-Sun
Park Rae-Keun
Lee Hyun-Woo
An Kye-Un
Kim Young-Tae
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 Chon Gom-Bai, Kim Kwang-Sun, Park Rae-Keun, Lee Hyun-Woo, An Kye-Un, Kim Young-Tae filed Critical Chon Gom-Bai
Priority to JP2016521200A priority Critical patent/JP6263616B2/ja
Priority to CN201480034949.1A priority patent/CN105408238B/zh
Publication of WO2014204201A1 publication Critical patent/WO2014204201A1/ko

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/188—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
    • B65H23/1888—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web and controlling web tension
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/10—Speed
    • B65H2513/11—Speed angular
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/20—Acceleration or deceleration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/61—Display device manufacture, e.g. liquid crystal displays

Definitions

  • the present invention relates to a thin film winding apparatus and a winding method using the thin film film winding apparatus, and more particularly, to a thin film film winding apparatus and a winding method using the same.
  • Thin films are widely used in many industrial products such as liquid crystal displays, cellular phones, and printed sheets.
  • Such thin film films include metal foils such as electrolytic copper foils which are thin, long, continuous, easily bendable, polyester foil, and the like.
  • Most of the thin film products are produced in the form of rolls or rolls.
  • the winding process in which the thin film is wound in the form of a roll is necessarily accompanied by the convenience of the storage and transportation without wrinkling or damage of the thin film somewhere in the intermediate stage of the production process even in the case of the thin film product, , Which is an important process that greatly affects the quality and productivity of thin film products.
  • the thin film 1 which is an electrolytic copper foil is produced through a winding unit 10 such as a weaving machine and the produced thin film 1 is guided by the roller 30 and wound on the winding unit 20, Products.
  • the conventional winding device for winding the thin film 1 wound on the winding section 10 on the winding section 20 has the advantage that the tension for winding the thin film 1 is applied to the winding section 20 And the generated tensile force is transmitted to the winding unit 10, whereby the thin film 1 is pulled out.
  • At least one guide roller 30 is interposed on the traveling path of the thin film 1 between the take-up unit 10 and the take-up unit 20 for smooth winding work so that the thin film 1 is wound on the take- , The guide roller 30 is essentially passed through.
  • wrinkles may occur in the process of winding the thin film 1 on the take-up unit 10 or in contact with the guide roller 30. When such wrinkles are generated, the amount of winding of the thin film 1 wound on the winding portion 20 is reduced, which leads to a problem that the yield is deteriorated.
  • At least one guide roller 30 is interposed between the take-up unit 10 and the take-up unit 20 so that the thin film 1 passes through the guide roller 30 and tensile strength is reduced.
  • the winding tension T w applied to the thin film 1 in the initial winding section 20 is attenuated by DELTA t d while passing through the guide roller 30, 10) unwinding tension (U T) to reach is that T w d - ⁇ t.
  • the present invention has been made in order to solve the problems of the prior art as described above, and it is an object of the present invention to provide an apparatus and a method for securing a winding tension of a winding unit, And to provide a winding device for winding a thin film and a winding method using the winding device, which can minimize various winding failures such as warp, winding, and the like.
  • a winding apparatus for winding a thin film comprising: a winding unit to which a thin film is wound; A winding section that is rotationally driven so as to apply a winding tension to the thin film wound from the winding section to wind the thin film; At least one guide roller positioned between the winding portion and the winding portion, the guide roller being rotated in contact with the thin film to guide movement of the thin film; And a tension compensating unit located between the winding unit and the winding unit and compensating for a tension of the thin film to be attenuated by the guide roller, wherein a winding tension is applied to the section where the thin film is wound from the winding unit And a winding tension is applied to a section where the thin film is wound on the winding section, and the winding tension is equal to or larger than the winding tension.
  • At least two guide rollers are provided, and the tension compensating portion is positioned between the two guide rollers.
  • the tension compensating unit comprises at least one of the guide rollers and a drive motor for applying a rotational driving force to the guide roller.
  • the tension compensating unit comprises two rollers for pressing the thin film therebetween.
  • a driving motor for applying a rotational driving force to at least one of the two rollers may be further included.
  • the tension compensating section is constituted by a driving roller and a driving motor for applying a rotational driving force to the driving roller.
  • the driving roller of the tension compensating unit can be driven to rotate in the direction opposite to the guide roller.
  • a nip roller provided at a position in contact with the winding part to press the thin film wound on the winding part.
  • the nip roller is movable to press or release the thin film.
  • the thin film is a copper foil electrolytically or rolled.
  • the thin film has a width of 300 mm or more.
  • the thin film has a thickness of 30 mu m or less.
  • a method of winding a thin film comprising: (a) a step of winding a thin film wound on a winding part through at least one guide roller ; (b) the winding part is rotationally driven so as to apply a winding tension to the thin film to start winding of the thin film; (c) driving a tension compensating unit located between the winding unit and the winding unit, for compensating a tension of the thin film to be attenuated by the guide roller; And (d) a winding tension is applied to a section where the thin film is wound from the winding section, a winding tension is applied to a section where the thin film is wound at the winding section, and the winding tension is equal to or larger than the winding tension And winding the thin film so that a tensile force is applied thereto.
  • the thin film is pressed by a nip roller provided at a position in contact with the winding part do.
  • the technical problem can be achieved by the thin film wound by the winding method of the thin film according to the present invention.
  • the present invention by setting the winding tension of the winding section to be lower than the conventional one by 50% or more and securing the winding tension of the winding section to a predetermined reference value or more, a variety of variations It is possible to minimize all of the winding failure.
  • the nip roller provided at a position in contact with the winding section blocks the inflow of air into the thin film during the winding of the thin film on the winding section, It is possible to minimize the defects such as wind-up marks. As a result, the winding of the thin film can be increased and the yield and the yield can be improved as the winding failure is minimized and stably performed.
  • FIG. 1 is a view schematically showing a method for winding an electrolytic copper foil as an example of the prior art.
  • Fig. 2 is a view for explaining the change in tensile force applied to the thin film of Fig. 1.
  • FIG. 3 is a view schematically showing a configuration of a winding device for a thin film according to the present invention.
  • FIG. 4 is a diagram showing an example of a configuration of a tension compensator according to the present invention.
  • FIG. 5 is a view showing another example of the configuration of the tension compensator according to the present invention.
  • 6 to 9 are views for sequentially illustrating a winding method of a thin film according to the present invention.
  • FIG. 10 is a view schematically showing an electrolytic copper foil device to which the configuration of the thin film film winding device according to the present invention is applied.
  • Fig. 4 is a view showing an example of the configuration of a tension compensating unit according to the present invention
  • Fig. 5 is a view showing an example of a tension compensating unit according to the present invention
  • Fig. 8 is a diagram showing another example of the configuration of the compensation section.
  • the winding device 100 for winding a thin film has a thin, long, continuous, and easily bendable characteristic that is rolled up in a roll form in the winding portion 110,
  • a thin film such as a metal foil or a polyester foil is wound around the take-up part 120.
  • a copper foil which has been electrolytically or rolled is preferably a thin film having a width of 300 mm or more and a thickness of 30 ⁇ ⁇ or less 1, a winding unit 110, a winding unit 120, at least one guide roller 130, a tension compensating unit 140, and a nip roller 150 for winding the winding unit 1.
  • the guide roller 130 guides the thin film 1 so that it can be wound while maintaining a predetermined tension of the thin film 1 by being rotated in contact with the thin film 1 wound on the winding part 110, At least one or more of the windings 110 and 120 are installed at regular intervals.
  • the winding unit 120 has a roll structure for finally winding the thin film 1 wound up from the winding unit 110 via the guide rollers 130 so that the thin film 1 is wound with a winding tension And is rotatably driven.
  • the winding unit 120 includes a winding roller 121 on which the thin film 1 is wound and a driving motor 125 for applying a rotational driving force to the winding roller 121.
  • the winding roller 121 of the winding unit 120 has the same structure as a normal bobbin and is composed of a cylindrical body from which the thin film 1 is wound and a rotating shaft which can be supported by rotation. It is preferable that the diameter of the cylindrical body is larger than the diameter of the rotary shaft and the length of the cylindrical body is equal to or slightly longer than the width of the thin film to be wound.
  • the present invention is not limited by the shape of the winding roller 121. [
  • the tension compensating unit 140 is disposed between the winding unit 110 and the winding unit 120 so that the at least one guide roller 130 is wound around the thin film 1
  • the tension of the thin film 1 before passing through the tension compensating unit 140 from the tension compensating unit 140 is applied to the tension compensating unit 140.
  • the tension compensating unit 140 may be disposed between the winding unit 110 and the guide roller 130 nearest to the winding unit 110 or between the winding unit 120 and the winding unit 120,
  • the guide roller 130 may be located between the guide rollers 130 or when the guide roller 130 is provided with at least two guide rollers 130,
  • the tension compensating unit 140 may include a driving motor that replaces at least one of the guide rollers 130 with a driving roller, and applies a rotational driving force to the driving roller.
  • the tension compensating unit 140 may include two rollers 141 and 142 for pressing the thin film 1, as shown in FIG. 4.
  • the two rollers 141 and 142 may be constituted by a driving roller and a driving motor 145 for applying a rotational driving force to the driving roller.
  • a separate winding tension is applied separately from the winding tension applied to the thin film 1 in the winding portion 120 The tension of the thin film 1 can be compensated.
  • the tension compensating unit 140 may include a driving roller 143 and a driving motor 145 for applying a rotational driving force to the driving roller 143.
  • the driving roller 143 may be disposed at a lower position than the guide roller 130, or may be disposed at a higher position than the guide roller 130 (not shown in the drawing)
  • the driving roller 143 can be rotated in a direction opposite to the guide roller 130 so that the driving roller 143 can be rotated in the opposite direction to the driving roller 143
  • An additional winding tension is applied to the thin film 1 to compensate for the tension reduction of the thin film 1 by the guide roller 130.
  • the tension compensating unit 140 includes the rollers 141, 142 and 143 and the drive motor 145 in the above-described embodiment, the tension compensating unit 140 of the present invention is not limited thereto.
  • the tension compensating unit 140 may be formed of a stopper structure that can be in contact with the thin film film 1 to control the tension thereof.
  • the tensile force of the thin film 1 may be equal to or greater than the tensile force of the thin film 1 after the tension of the thin film 1 has passed through the tension compensating part 140.
  • the thin film film winding apparatus 100 is configured such that at least one guide roller 130 between the winding unit 110 and the winding unit 120 is wound around the thin film 1,
  • the tension compensating unit 140 is configured to compensate the tension of the film 1 and the tension of the thin film 1 before passing through the tension compensating unit 140 from the tension compensating unit 140
  • the tension applied to the thin film 1 is equal to or greater than the tension of the thin film 1 after passing through the tension compensating part 140 so that the thin film 1 is wound.
  • a winding tension is applied to a section where the thin film 1 is unwound from the winding section 110, and the thin film 1 is wound around the winding section 120
  • the winding tension is applied so that the winding tension is equal to or larger than the winding tension.
  • This is possible by providing the tension compensating part 140 between the winding part 110 and the winding part 120.
  • At least one guide roller 130 is provided between the winding part 110 and the winding part 120 And the tension reduction by the guide roller 130 can be compensated by the tension compensating section 140 so that the winding tension is controlled to be in the range of 2% to 100% of the winding tension .
  • the thin film film winding apparatus 100 can be applied to a case where the tension transmitted from the winding unit 120 is not sufficient in the conventional process of winding the thin film 1 at the winding unit 110 It is possible to minimize the occurrence of wrinkles which may occur in the case where the winding film 120 is wound in a winding direction and also to cause an excessive tension that may cause deformation of the thin film 1 during winding of the thin film 1 on the winding portion 120 It is possible to minimize the occurrence of a wrap (i.e., crying) which may be caused by being wound.
  • a wrap i.e., crying
  • the nip roller 150 is provided at a position where the nip roller 150 is in contact with the winding unit 120 and is for pressing the thin film 1 wound on the winding unit 120.
  • the nip roller 150 is a thin film 1 so as to be able to be pressed or released.
  • the nip roller 150 serves to improve the winding track that may be generated during the winding of the thin film 1 on the winding unit 120. This can prevent the inflow of air into the inside of the thin film 1 during the winding of the thin film 1 on the winding part 120 through the structure of the nip roller 150, do.
  • 6 to 9 are views for sequentially illustrating a winding method of a thin film according to the present invention.
  • a method for winding a thin film is a method for winding a thin film 1 wound on a winding part 110 through at least one guide roller 130 to a winding part 120 (110) and the thin film (1); and a step of rotating the thin film (1) so as to apply a winding tension to the thin film (1)
  • the tension of the thin film 1 before passing through the tension compensating unit 140 is equal to or greater than the tension of the thin film 1 after passing through the tension compensating unit 140 And winding the thin film (1).
  • the thin film 1 wound up by the winding unit 110 is coupled to the winding unit 120 via at least one guide roller 130 and the tension compensating unit 140, And the winding section 120 is rotationally driven to start winding of the thin film 1 so as to apply a winding tension to the thin film 1.
  • the winding section 120 is rotated by an initial winding tension (T W1 ) so that the thin film 1 can be stably wound into the winding section 110, T U1 ) is transmitted. That is, the initial unwinding tension T U1 is T U1 < T W1 due to the tension reduction by the guide roller 130.
  • the tension compensating unit 140 is driven to apply additional winding tension to the thin film 1.
  • the tension compensating unit 140 may be configured such that the thin film 1 can be more stably wound from the winding unit 110, and the thin film 1 can be wound on the thin film 1 before passing through the tension compensating unit 140, The tensile force of the film 1 is compensated for so as to be equal to or more than the tensile force of the thin film 1 after passing through the tension compensating section 140 to increase the tension on the side of the take- And the appropriate unwinding tension T U2 is applied.
  • an appropriate unwinding tension T U2 is applied to a section where the thin film 1 is unwound from the winding section 110, and the thin film 1 is wound on the winding section 120,
  • the appropriate winding tension T W2 is applied to the winding section and the appropriate winding tension T U2 is applied equal to or more than the appropriate winding tension T W2 so that winding of the thin film 1 . That is, the appropriate winding tension T U2 is T U2 ? T W2 by the tension compensation by the tension compensating unit 140.
  • the proper winding tension (T W2 ) is controlled within a range of 2% to 100% of the optimum winding tension (T U2 ).
  • the thin film 1 may be pressed by the nip roller 150 provided at a position where the thin film 1 can contact the winding unit 120, .
  • FIG. 10 is a view schematically showing an electrolytic copper foil device to which the configuration of the thin film film winding device according to the present invention is applied.
  • the winding device 100 for winding a thin film comprises a winding unit 110, that is, a copper foil 1 which is electrodeposited on a negative electrode drum of a former machine, It can be applied to the equipment to be taken.
  • the thin film is not pulled out from the winding unit 110 in a state where the thin film is wound in the roll-up state in the winding unit 110, but the thin film is not peeled off from the winding unit 110, And is substantially the same as the winding device of the thin film.
  • the winding device 100 for a thin film according to the present invention can be applied to a process for winding an electrolytic copper foil having a width of 300 mm or more and a thickness of 30 ⁇ ⁇ or less, among the electrolytic copper foils continuously produced from the deposition stage
  • the copper foil 1 can be stably peeled in the section where the electrodeposited copper foil 1 is pulled out from the forming machine 110 and is applied with a proper pulling tension so as not to cause wrinkles on the peeled copper foil 1
  • the copper foil 1 is applied with the appropriate winding tension so as not to cause a deformation in the section where the copper foil 1 is wound on the winding section 120 so as to prevent the occurrence of deformation, It is possible to simultaneously improve the problems of wrinkles and wounds (crying) caused by the storage force.
  • the nip roller 150 can prevent the air from flowing into the inside of the copper foil 1 during the winding of the copper foil 1 on the winding portion 120, . Further, since the winding device 100 of the thin film film according to the present invention can stably wind the copper foil 1, the winding amount of the copper foil 1 that can be wound on the winding part 120 can be increased It has the advantage of being able to realize a long-term facility.
  • the present invention by setting the winding tension of the winding section to be lower than the conventional one by 50% or more and securing the winding tension of the winding section to a predetermined reference value or more, a variety of variations It is possible to minimize all of the winding failure.
  • the nip roller provided at a position in contact with the winding section blocks the inflow of air into the thin film during the winding of the thin film on the winding section, It is possible to minimize the defects such as wind-up marks. As a result, the winding of the thin film can be increased and the yield and the yield can be improved as the winding failure is minimized and stably performed.

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  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Winding Of Webs (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
  • Advancing Webs (AREA)
PCT/KR2014/005353 2013-06-18 2014-06-18 박막 필름의 권취 장치 및 이를 이용한 권취 방법 WO2014204201A1 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2016521200A JP6263616B2 (ja) 2013-06-18 2014-06-18 薄膜フィルムの巻取り装置及びそれを用いた巻取り方法
CN201480034949.1A CN105408238B (zh) 2013-06-18 2014-06-18 卷绕薄膜的装置及使用该装置的卷绕方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020130069916A KR101501423B1 (ko) 2013-06-18 2013-06-18 전해 금속박의 권취 장치 및 이를 이용한 권취 방법
KR10-2013-0069916 2013-06-18

Publications (1)

Publication Number Publication Date
WO2014204201A1 true WO2014204201A1 (ko) 2014-12-24

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Application Number Title Priority Date Filing Date
PCT/KR2014/005353 WO2014204201A1 (ko) 2013-06-18 2014-06-18 박막 필름의 권취 장치 및 이를 이용한 권취 방법

Country Status (5)

Country Link
JP (1) JP6263616B2 (zh)
KR (1) KR101501423B1 (zh)
CN (1) CN105408238B (zh)
TW (1) TWI519463B (zh)
WO (1) WO2014204201A1 (zh)

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CN106276349A (zh) * 2016-08-11 2017-01-04 苏州柯创电子材料有限公司 一种用于包装膜的自动喷码装置
CN106276369A (zh) * 2016-08-11 2017-01-04 苏州柯创电子材料有限公司 一种保护膜自动卷绕装置
CN109761090A (zh) * 2018-12-31 2019-05-17 天津市旭辉恒远塑料包装股份有限公司 防折防散收卷机
CN112467336A (zh) * 2020-10-30 2021-03-09 上海宇航系统工程研究所 可展索网/薄膜天线展开到位张紧机构

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KR102017268B1 (ko) 2016-03-31 2019-09-03 주식회사 엘지화학 광학 필름 및 이의 제조방법
TWI620703B (zh) * 2016-07-25 2018-04-11 財團法人工業技術研究院 具有壓力感測器的滾輪及捲對捲裝置
CN106144713A (zh) * 2016-08-11 2016-11-23 苏州柯创电子材料有限公司 一种滚筒间距可调的保护膜卷绕装置
CN106241465A (zh) * 2016-08-11 2016-12-21 苏州柯创电子材料有限公司 一种用于保护膜的自动输送卷绕装置
KR101871341B1 (ko) * 2017-11-17 2018-06-26 주식회사 디에이테크놀로지 필름 자재 등속 이송장치
CN108792747A (zh) * 2018-06-27 2018-11-13 广东顺德莱特尔科技有限公司 一种用于涂布薄膜的分离机
WO2020188793A1 (ja) 2019-03-20 2020-09-24 三菱電機株式会社 空気調和機
KR102314388B1 (ko) * 2020-04-20 2021-10-19 주식회사 제이스텍 Cof 및 acf 압착시에 디스플레이 패널용 보호필름의 장력을 자동으로 정렬하는 모터 토오크 제어방법
KR102407185B1 (ko) * 2020-06-30 2022-06-10 율촌화학 주식회사 리니어형 롤투롤 권취 기구 및 이를 최적화하는 조절 방법
CN112919203B (zh) * 2021-03-22 2021-09-21 广东嘉元科技股份有限公司 一种电解铜箔收卷装置、收卷前的表面处理装置

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