JP5930274B2 - Reel member and film container - Google Patents

Reel member and film container Download PDF

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Publication number
JP5930274B2
JP5930274B2 JP2011266085A JP2011266085A JP5930274B2 JP 5930274 B2 JP5930274 B2 JP 5930274B2 JP 2011266085 A JP2011266085 A JP 2011266085A JP 2011266085 A JP2011266085 A JP 2011266085A JP 5930274 B2 JP5930274 B2 JP 5930274B2
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adhesive film
reel member
flange
flange portions
portions
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JP2013116816A (en
JP2013116816A5 (en
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崇 引地
崇 引地
和典 濱崎
和典 濱崎
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Dexerials Corp
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Dexerials Corp
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Priority to JP2011266085A priority Critical patent/JP5930274B2/en
Priority to KR1020147018333A priority patent/KR102004565B1/en
Priority to PCT/JP2012/080987 priority patent/WO2013084797A1/en
Priority to CN201280059947.9A priority patent/CN103958384B/en
Priority to TW101145607A priority patent/TWI649250B/en
Publication of JP2013116816A publication Critical patent/JP2013116816A/en
Publication of JP2013116816A5 publication Critical patent/JP2013116816A5/ja
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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
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/04—Kinds or types
    • B65H75/08—Kinds or types of circular or polygonal cross-section
    • B65H75/14—Kinds or types of circular or polygonal cross-section with two end flanges
    • 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
    • B65H2701/37—Tapes
    • B65H2701/377—Adhesive tape

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  • Storage Of Web-Like Or Filamentary Materials (AREA)

Description

本発明は、例えば異方導電性接着フィルム等の一連の長尺の接着フィルムを巻き取り且つ引き出すためのリール部材の技術に関する。   The present invention relates to a reel member technique for winding and pulling out a series of long adhesive films such as anisotropic conductive adhesive films.

一般に、例えば、液晶パネルやＩＣチップのような電子部品同士を電気的に接続する場合には、絶縁性接着剤中に導電性粒子を分散させた異方導電性接着フィルムが用いられる。   In general, for example, when an electronic component such as a liquid crystal panel or an IC chip is electrically connected, an anisotropic conductive adhesive film in which conductive particles are dispersed in an insulating adhesive is used.

また、近年、太陽電池用の電極を電気的に接続し且つ接着するための接着フィルムとして、絶縁性接着剤中に導電性粒子を含有させた導電性接着フィルムが用いられている。
このような接着フィルムは、幅狭で長尺の剥離シート上に形成され、リール部材にロール状に巻取った形態で出荷されている。 In recent years, a conductive adhesive film containing conductive particles in an insulating adhesive has been used as an adhesive film for electrically connecting and bonding electrodes for solar cells.
Such an adhesive film is formed on a narrow and long release sheet, and is shipped in the form of a reel member wound up in a roll shape.

近年、このような接着フィルムの長尺化が望まれているが、接着フィルムが長尺化すると、フィルムロールの径が増し、その自重によってリール部材のフランジ部外周部にたわみが生じ、接着フィルムの円滑な引き出しを阻害するという問題がある。
そして、接着フィルムの長尺化ができないと、短尺の接着フィルムを巻いたリール部材を頻繁に交換する必要があり、その都度生産ラインを停止するため、生産効率が低下してしまう。 In recent years, it has been desired to lengthen such an adhesive film. However, when the adhesive film becomes longer, the diameter of the film roll increases, and due to its own weight, deflection occurs in the outer peripheral portion of the flange portion of the reel member. There is a problem of hindering smooth withdrawal.
If the length of the adhesive film cannot be increased, it is necessary to frequently replace the reel member wound with the short adhesive film, and the production line is stopped each time, so that the production efficiency is lowered.

特開２００７−９４６６２号公報JP 2007-94662 A

本発明は、このような従来の技術の課題を考慮してなされたもので、その目的とするところは、長尺の接着フィルムを巻き取り且つ引き出すリール部材において、リール部材の自重によるフランジ外周部のたわみを防止することによってフランジ間のクリアランスの精度を向上させる技術を提供することにある。   The present invention has been made in consideration of the above-described problems of the prior art. The object of the present invention is to provide a reel member that winds and pulls out a long adhesive film, and a flange outer peripheral portion due to its own weight. It is an object of the present invention to provide a technique for improving the accuracy of the clearance between flanges by preventing the deflection.

上記目的を達成するためになされた本発明は、円筒形状に形成され、接着フィルムを巻取可能な巻芯軸部と、前記巻芯軸部の両端部に設けられ、それぞれの外側面が平行な平面となるように形成された第１及び第２フランジ部とを備え、前記第１及び第２フランジ部の前記巻芯軸部の内周側から周囲の部分に、それぞれ一定の厚さの補強部が設けられるとともに、前記第１及び第２フランジ部の内側部分で、かつ、前記補強部に対してフランジ外周側の部分に、前記補強部から外周部側に向って前記補強部の厚さより厚さが薄くなるようにテーパ状に形成された軽量化部が設けられ、さらに、前記第１及び第２フランジ部の内側部分で、かつ、前記補強部及び前記軽量化部の表面に、当該接着フィルムを案内するためのリブが設けられ、前記リブは、当該接着フィルムを案内する面が、当該リール部材の回転軸線に対して直交する面上に位置するように設けられているリール部材である。
本発明では、上述したリール部材が、３００〜６００ｍｍの接着フィルムを巻き取るリール部材であって、前記第１及び第２フランジ部の直径が、２５０〜３００ｍｍであり、前記第１及び第２フランジ部の間隔である前記巻芯軸部の厚さが、１．００〜１．３０ｍｍであって、当該巻芯軸部の径が、（前記第１及び第２フランジ部の直径／２．５）±１０％であり、前記補強部の径が、（前記第１及び第２フランジ部の直径／１．５）±１０％であり、前記軽量化部の中心側端部と外周部側端部の厚さの比が、５：４〜３：２である場合にも効果的である。
また、本発明は、上述したいずれかのリール部材と、前記リール部材の巻芯軸部に巻き取られた接着フィルムとを有するフィルム収容体である。
本発明では、前記接着フィルムが、絶縁性接着剤中に導電性粒子が分散された異方導電性接着フィルムである場合にも効果的である。 The present invention, which has been made to achieve the above object, is formed in a cylindrical shape and is provided at a core shaft portion capable of winding an adhesive film, and both ends of the core shaft portion, and the respective outer surfaces are parallel to each other. First and second flange portions formed so as to be flat surfaces, each of the first and second flange portions having a certain thickness from the inner peripheral side of the core shaft portion to the surrounding portions . A reinforcing portion is provided, and the thickness of the reinforcing portion is an inner portion of the first and second flange portions and a portion on the outer peripheral side of the flange with respect to the reinforcing portion, from the reinforcing portion toward the outer peripheral portion. A lighter portion formed in a tapered shape so as to be thinner than the thickness , and further on the inner portions of the first and second flange portions , and on the surfaces of the reinforcing portion and the lighter portion , ribs for guiding the adhesive film is provided, wherein Bed, the surface for guiding the adhesive film, a reel member which is provided so as to be positioned on a plane perpendicular to the rotational axis of the reel member.
In the present invention, the reel member described above is a reel member that winds up an adhesive film of 300 to 600 mm, and the diameters of the first and second flange portions are 250 to 300 mm, and the first and second flanges The thickness of the core shaft portion, which is the interval between the portions, is 1.00 to 1.30 mm, and the diameter of the core shaft portion is (diameter of the first and second flange portions / 2.5 ) ± 10%, and the diameter of the reinforcing portion is (diameter of the first and second flange portions / 1.5) ± 10%, and the center side end and the outer peripheral side end of the lightening portion It is also effective when the ratio of the thicknesses of the parts is 5: 4 to 3: 2 .
Also, the present invention is a film container having any one of the reel member described above, the adhesive film wound on a core shaft portion of the reel member.
In the present invention, it is also effective when the adhesive film is an anisotropic conductive adhesive film in which conductive particles are dispersed in an insulating adhesive.

本発明の場合、第１及び第２フランジ部の巻芯軸部の内周側から周囲の部分に一定の厚さの補強部が設けられるとともに、第１及び第２フランジ部の内側部分で、かつ、補強部に対してフランジ外周側の部分に、補強部から外周部側に向って補強部の厚さより厚さが薄くなるようにテーパ状に形成された軽量化部が設けられていることから、一定の厚さの補強部によってリール部材の剛性を確保した上で、第１及び第２フランジ部の外周部の重量を小さくすることができ、これによりリール部材の自重によるフランジ外周部のたわみを防止することができるので、第１及び第２フランジ部間のクリアランスの精度を向上させることができる。
さらに、本発明では、第１及び第２フランジ部の内側部分に、接着フィルムを案内するためのリブが設けられているため、巻取時及び引出時における接着フィルムの蛇行を防止することができ、これにより巻取時における接着フィルムの脱落等及び引出時における接着フィルムの引っかかりやブロッキング等を防止することができる。
また、本発明においては、リブの接着フィルムを案内する面が、当該リール部材の回転軸線に対して直交する面上に位置するように設けられていることから、巻取時及び引出時における接着フィルムの蛇行をより確実に防止することができるので、巻取時における接着フィルムの脱落等及び引出時における接着フィルムの引っかかりやブロッキング等をより確実に防止することができる。 In the case of the present invention, a reinforcing portion having a certain thickness is provided in the peripheral portion from the inner peripheral side of the core shaft portion of the first and second flange portions, and at the inner portions of the first and second flange portions, In addition, the portion on the outer peripheral side of the flange with respect to the reinforcing portion is provided with a lightening portion formed in a tapered shape so that the thickness is thinner than the thickness of the reinforcing portion from the reinforcing portion toward the outer peripheral portion . From the above, it is possible to reduce the weight of the outer peripheral portion of the first and second flange portions while securing the rigidity of the reel member by the reinforcing portion having a certain thickness, and thereby the flange outer peripheral portion due to the weight of the reel member. Since deflection can be prevented, the accuracy of the clearance between the first and second flange portions can be improved.
Further, in the present invention, since the ribs for guiding the adhesive film are provided in the inner portions of the first and second flange portions, the meandering of the adhesive film at the time of winding and drawing can be prevented. As a result, it is possible to prevent the adhesive film from dropping off during winding and the adhesive film from being caught or blocked during drawing.
In the present invention, a surface for guiding the adhesive film ribs, since it is provided so as to be positioned on a plane perpendicular to the rotational axis of the reel member, the adhesive at the time of winding and at the time of withdrawal Since the meandering of the film can be more reliably prevented, it is possible to more reliably prevent the adhesive film from dropping off at the time of winding and the adhesive film from being caught or blocked at the time of drawing.

本発明によれば、長尺の接着フィルムを巻き取り且つ引き出すリール部材において、リール部材の自重によるフランジ外周部のたわみを防止することができるので、第１及び第２フランジ部間のクリアランスの精度を向上させることができる。
その結果、本発明によれば、接着フィルムの貼付工程において、リール部材を頻繁に交換する必要がなく、生産効率を大幅に向上させることができる。 According to the present invention, in the reel member that winds up and pulls out the long adhesive film, the deflection of the outer peripheral portion of the flange due to the weight of the reel member can be prevented, so the accuracy of the clearance between the first and second flange portions Can be improved.
As a result, according to the present invention, it is not necessary to frequently replace the reel member in the adhesive film sticking step, and the production efficiency can be greatly improved.

（ａ）：本発明に係るリール部材の実施の形態の内側の構成を示す平面図（ｂ）：図１（ａ）のＡ−Ａ線断面図（ｃ）：図１（ａ）のＢ−Ｂ線断面図(A): Plan view showing the inner structure of the embodiment of the reel member according to the present invention (b): AA line sectional view of FIG. 1 (a) (c): B- of FIG. 1 (a) B line cross section 同リール部材の全体構成を示す断面図Sectional drawing which shows the whole structure of the reel member 本発明に係るフィルム収容体の実施の形態の全体構成を示す断面図Sectional drawing which shows the whole structure of embodiment of the film container which concerns on this invention 本発明のリール部材における各部分の寸法関係を示す説明図Explanatory drawing which shows the dimensional relationship of each part in the reel member of this invention 比較例１、２のリール部材の構成を示す断面図Sectional drawing which shows the structure of the reel member of the comparative examples 1 and 2 比較例３のリール部材の構成を示す断面図Sectional drawing which shows the structure of the reel member of the comparative example 3 比較例４のリール部材の構成を示す断面図Sectional drawing which shows the structure of the reel member of the comparative example 4

以下、本発明の好ましい実施の形態を図面を参照して詳細に説明する。
図１（ａ）は、本発明に係るリール部材の実施の形態の内側の構成を示す平面図、図１（ｂ）は、図１（ａ）のＡ−Ａ線断面図、図１（ｃ）は、図１（ａ）のＢ−Ｂ線断面図である。 Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.
1A is a plan view showing an inner configuration of an embodiment of a reel member according to the present invention, FIG. 1B is a cross-sectional view taken along line AA in FIG. 1A, and FIG. ) Is a cross-sectional view taken along line BB in FIG.

本実施の形態のリール部材１は、寸法安定性を確保する観点から、ポリスチレン樹脂からなるもので、図１（ａ）〜（ｃ）に示すように、フィルム巻取装置又はフィルム引出装置の駆動軸１０に装着されるようになっている。   The reel member 1 of the present embodiment is made of polystyrene resin from the viewpoint of ensuring dimensional stability. As shown in FIGS. 1A to 1C, the reel member 1 is driven by a film winding device or a film drawing device. The shaft 10 is attached.

リール部材１は、例えば異方導電性接着フィルム等の長尺の接着フィルムが巻き付けられる円筒形状の巻芯軸部２を有し、この巻芯軸部２の両端部に、円板形状の第１及び第２フランジ部１１、１２が一体的に設けられている。   The reel member 1 has, for example, a cylindrical core shaft portion 2 around which a long adhesive film such as an anisotropic conductive adhesive film is wound. The first and second flange portions 11 and 12 are integrally provided.

本実施の形態の場合、第１及び第２フランジ部１１、１２は、その外側面が回転軸線Ｏに対して直交する平面となるように形成され、同一の構成を有している。以下、本明細書では、第１フランジ部１１を例にとって説明する。   In the case of the present embodiment, the first and second flange portions 11 and 12 are formed so that the outer surfaces thereof are planes orthogonal to the rotation axis O, and have the same configuration. Hereinafter, in this specification, it demonstrates taking the 1st flange part 11 as an example.

第１フランジ部１１の巻芯軸部２の周囲には、例えば円形状の補強部３が設けられている。
この補強部３は、第１フランジ部１１の外側面と平行に形成された内側面を有し、一定の幅となるように形成されている。 For example, a circular reinforcing portion 3 is provided around the core shaft portion 2 of the first flange portion 11.
The reinforcing portion 3 has an inner surface formed parallel to the outer surface of the first flange portion 11 and is formed to have a constant width.

第１フランジ部１１の内側部分で補強部３に対し外周部側の部分には、軽量化部４が設けられている。
この軽量化部４は、補強部３から外周部側に向って補強部３より厚さが薄くなるようにテーパ状に形成されている。
なお、本実施の形態では、軽量化部４の表面（内側面）は、平面状に形成されている。 A lighter portion 4 is provided on the inner peripheral portion of the first flange portion 11 on the outer peripheral portion side with respect to the reinforcing portion 3.
The lightening portion 4 is formed in a tapered shape so that the thickness is thinner than the reinforcing portion 3 from the reinforcing portion 3 toward the outer peripheral portion side.
In the present embodiment, the surface (inner side surface) of the light weight portion 4 is formed in a flat shape.

さらに、第１フランジ部１１の内側部分で、かつ、巻芯軸部２に対して外周部側の部分には、接着フィルムを案内するためのリブ５が設けられている。
このリブ５は、リール部材１の回転軸線Ｏを中心として放射直線状に延びる複数の内側ガイド部５ａと、第１フランジ部１１の外縁部に設けられた円形状の外側ガイド部５ｂとを有している。 Furthermore, ribs 5 for guiding the adhesive film are provided on the inner portion of the first flange portion 11 and on the outer peripheral portion side with respect to the core shaft portion 2.
The rib 5 has a plurality of inner guide portions 5 a that extend radially around the rotation axis O of the reel member 1 and a circular outer guide portion 5 b provided on the outer edge of the first flange portion 11. doing.

リブ５の各部分は補強部３より若干高さが高くなるように、第１フランジ部１１の外側面１１ａと平行な面上に、すなわち、回転軸線Ｏに対して直交する平面上にリブ５の内側ガイド部５ａ及び外側ガイド部５ｂの頂上面が位置するように形成されている。
なお、リブ５の各頂上面には、所定のアールが施されている。 Each portion of the rib 5 is placed on a plane parallel to the outer surface 11a of the first flange portion 11, that is, on a plane orthogonal to the rotation axis O so that the height is slightly higher than the reinforcing portion 3. Are formed such that the top surfaces of the inner guide portion 5a and the outer guide portion 5b are positioned.
A predetermined radius is applied to each top surface of the rib 5.

図２は、本実施の形態のリール部材の全体構成を示す断面図である。
また、図３は、本発明に係るフィルム収容体の実施の形態の全体構成を示す断面図である。
図２に示すリール部材１を図示しないフィルム巻取装置に装着し、巻芯軸部２に長尺の接着フィルム６を巻き付けることにより、図３に示すフィルム収容体２０が得られる。 FIG. 2 is a cross-sectional view showing the overall configuration of the reel member of the present embodiment.
Moreover, FIG. 3 is sectional drawing which shows the whole structure of embodiment of the film container which concerns on this invention.
The reel member 1 shown in FIG. 2 is mounted on a film take-up device (not shown), and a long adhesive film 6 is wound around the core shaft 2 to obtain the film container 20 shown in FIG.

図４は、本発明のリール部材１における各部分の寸法関係を示す説明図である。
本発明に係るリール部材１は、長尺（３００〜６００ｍ）の接着フィルム６に有効で、大径の第１及び第２フランジ部１１、１２を有している。 FIG. 4 is an explanatory view showing the dimensional relationship of each part in the reel member 1 of the present invention.
The reel member 1 according to the present invention is effective for a long (300 to 600 m) adhesive film 6 and has large-diameter first and second flange portions 11 and 12.

具体的には、第１及び第２フランジ部１１、１２の直径が２５０〜３００ｍｍで、第１及び第２フランジ部１１、１２間の間隔即ち巻芯軸部２の厚さｔが１．００〜１．３０ｍｍのものに特に有効となるものである。   Specifically, the diameters of the first and second flange portions 11 and 12 are 250 to 300 mm, and the distance between the first and second flange portions 11 and 12, that is, the thickness t of the core shaft portion 2 is 1.00. This is particularly effective when the thickness is ˜1.30 mm.

この場合、巻芯軸部２の径ｄは、必要な剛性を確保し且つフランジ外周部の軽量化を図る観点からは、（第１及び第２フランジ部１１、１２の直径／２．５）±１０％に設定することが好ましい。
この場合、フランジ外周部の軽量化を図る観点からは、１００ｍｍ程度に設定することが好ましい。 In this case, the diameter d of the core shaft portion 2 is (diameter of the first and second flange portions 11 and 12 / 2.5) from the viewpoint of securing necessary rigidity and reducing the weight of the outer peripheral portion of the flange. It is preferable to set to ± 10%.
In this case, it is preferable to set to about 100 mm from the viewpoint of reducing the weight of the outer peripheral portion of the flange.

また、補強部３の径Ｄは、必要な剛性を確保し且つフランジ外周部の軽量化を図る観点からは、（第１及び第２フランジ部１１、１２の直径／１．５）±１０％に設定することが好ましい。
具体的に好ましい補強部３の径Ｄは、１８３〜１５０ｍｍであるが、軽量化を図る観点からは、１５０ｍｍ程度に設定することが好ましい。 Further, the diameter D of the reinforcing portion 3 is (diameter of the first and second flange portions 11 and 12 / 1.5) ± 10% from the viewpoint of securing necessary rigidity and reducing the weight of the outer peripheral portion of the flange. It is preferable to set to.
Although the diameter D of the reinforcement part 3 preferable specifically is 183-150 mm, it is preferable to set to about 150 mm from a viewpoint of achieving weight reduction.

また、軽量化部４の中心側端部と外周部側端部の厚さの比Ｈ1：Ｈ2は、必要な剛性を確保し且つフランジ外周部の軽量化を図る観点からは、好ましくは５：４〜３：２であり、より好ましくは４：３である。
具体的には、好ましい中心側の軽量化部４の大きさＨ1は、１．９０〜２．１０ｍｍであり、好ましい外周部側の軽量化部４の大きさＨ2は、１．４５〜１．５５ｍｍである。 In addition, the ratio H 1 : H 2 of the thickness of the center side end portion and the outer peripheral side end portion of the lightening portion 4 is preferably from the viewpoint of securing necessary rigidity and reducing the weight of the flange outer peripheral portion. 5: 4-3: 2, more preferably 4: 3.
Specifically, the size H 1 of the lighter weight portion 4 on the center side is preferably 1.90 to 2.10 mm, and the size H 2 of the lighter weight portion 4 on the outer peripheral side is preferably 1.45 to 1.45 mm. 1.55 mm.

さらに、リブ５の外周部（外側ガイド部５ｂ）の高さｈは、必要な剛性を確保し且つフランジ外周部の軽量化を図る観点からは、０．４〜０．５ｍｍとすることが好ましい。
さらにまた、リブ５間の間隔（クリアランス）Ｃは、リブ面への接着フィルム貼り付き防止と隙間への接着フィルム脱落防止の観点からは、接着フィルム６の幅に対し、０．０５〜０．１０ｍｍ離間するように設定することが好ましい。 Furthermore, the height h of the outer peripheral portion (outer guide portion 5b) of the rib 5 is preferably 0.4 to 0.5 mm from the viewpoint of ensuring necessary rigidity and reducing the weight of the flange outer peripheral portion. .
Furthermore, the distance (clearance) C between the ribs 5 is 0.05 to 0.00 mm with respect to the width of the adhesive film 6 from the viewpoint of preventing the adhesive film from sticking to the rib surface and preventing the adhesive film from dropping into the gap. It is preferable to set so as to be 10 mm apart.

一方、リブ５の内側ガイド部５ａの本数は、リール径が大きくなるに伴い増加させることが好ましい。
本発明が適用される範囲では、８本〜２４本が好ましく、より好ましくは、１２本〜２４本である。 On the other hand, the number of the inner guide portions 5a of the rib 5 is preferably increased as the reel diameter increases.
In the range to which the present invention is applied, 8 to 24 are preferable, and 12 to 24 are more preferable.

リブ５の内側ガイド部５ａの本数が８本より少ないと、接着フィルム６の巻取後に横置きで放置したり輸送時に接着フィルム６にずれが生じ、他方、リブ５の内側ガイド部５ａの本数が２４本より多いと、巻取時に接着フィルム６の乗り上げが発生するおそれがあり、同時にリブ面への接着フィルム６の付着のリスクが高まる。
リール部材１のより大径化に対しては、第１及び第２フランジ部１１、１２の外周部分に多くのリブ５（内側ガイド部５ａ）を設ける構成を採用することもできる。 If the number of the inner guide portions 5a of the rib 5 is less than eight, the adhesive film 6 may be left in a horizontal position after winding the adhesive film 6 or may be displaced during transportation. On the other hand, the number of the inner guide portions 5a of the rib 5 If there are more than 24, there is a possibility that the adhesive film 6 may run up during winding, and at the same time, the risk of adhesion of the adhesive film 6 to the rib surface increases.
In order to increase the diameter of the reel member 1, it is possible to employ a configuration in which many ribs 5 (inner guide portions 5 a) are provided on the outer peripheral portions of the first and second flange portions 11 and 12.

以上述べた本実施の形態においては、第１及び第２フランジ部１１、１２の巻芯軸部２の近傍に一定の厚さの補強部３が設けられるとともに、第１及び第２フランジ部１１、１２の内側部分で、かつ、補強部３に対してフランジ外周側の部分に、厚さが補強部３の厚さより薄くなるようにテーパ状に形成された軽量化部４が設けられていることから、一定の厚さの補強部３によってリール部材１の剛性を確保した上で、第１及び第２フランジ部１１、１２の外周部の重量を小さくすることができ、これによりリール部材１の自重によるフランジ外周部のたわみを防止することができるので、第１及び第２フランジ部１１、１２間のクリアランスの精度を向上させることができる。   In the present embodiment described above, the reinforcing portion 3 having a certain thickness is provided in the vicinity of the core shaft portion 2 of the first and second flange portions 11 and 12, and the first and second flange portions 11 are provided. , 12 and a portion on the outer peripheral side of the flange with respect to the reinforcing portion 3 is provided with a lightening portion 4 formed in a tapered shape so that the thickness is thinner than the thickness of the reinforcing portion 3. Therefore, the rigidity of the reel member 1 can be ensured by the reinforcing portion 3 having a certain thickness, and the weight of the outer peripheral portions of the first and second flange portions 11 and 12 can be reduced. Since the deflection of the outer peripheral portion of the flange due to its own weight can be prevented, the accuracy of the clearance between the first and second flange portions 11 and 12 can be improved.

さらに、本実施の形態では、第１及び第２フランジ部１１、１２の内側部分に、接着フィルム６を案内するためのリブ５が設けられ、しかも、リブ５の接着フィルム６を案内する面が、リール部材１の回転方向に対して直交する面上に位置するように設けられていることから、巻取時及び引出時における接着フィルム６の蛇行を確実に防止することができ、これにより巻取時における接着フィルム６の脱落等及び引出時における接着フィルム６の引っかかりやブロッキング等を確実に防止することができる。   Furthermore, in the present embodiment, ribs 5 for guiding the adhesive film 6 are provided on the inner portions of the first and second flange portions 11 and 12, and the surface of the rib 5 for guiding the adhesive film 6 is provided. Since the reel member 1 is provided so as to be positioned on a surface orthogonal to the rotation direction of the reel member 1, the meandering of the adhesive film 6 at the time of winding and pulling out can be surely prevented. It is possible to reliably prevent the adhesive film 6 from dropping off at the time of take-off and the adhesive film 6 from being caught or blocked from being taken out.

以下、実施例及び比較例を挙げて本発明を具体的に説明するが、本発明は以下の実施例に限定されるものではない。
＜接着フィルムの作成＞
接着フィルム６として、幅１．０ｍｍの剥離シート（図示せず）上に乾燥後の厚さが２５μｍの異方導電性接着剤をフィルム状に塗布形成したものを用いた。なお、接着剤の種類はエポキシ系熱硬化型のものである。 EXAMPLES Hereinafter, although an Example and a comparative example are given and this invention is demonstrated concretely, this invention is not limited to a following example.
<Creation of adhesive film>
As the adhesive film 6, an anisotropic conductive adhesive having a thickness of 25 μm after drying on a release sheet (not shown) having a width of 1.0 mm was used. The type of adhesive is an epoxy thermosetting type.

ここで、異方導電性接着フィルムの最低溶融粘度は、３．０×１０4Ｐａ・ｓである。
この最低溶融粘度は、回転式レオメータ（TA instrument社製）を用い、昇温速度が１０℃／分、測定圧力が５ｇで一定に保持し、直径８ｍｍの測定プレートを使用して測定した値である。 Here, the minimum melt viscosity of the anisotropic conductive adhesive film is 3.0 × 10 4 Pa · s.
This minimum melt viscosity is a value measured by using a measuring plate having a diameter of 8 mm, using a rotary rheometer (manufactured by TA instrument), keeping the heating rate constant at 10 ° C./min, measuring pressure at 5 g. is there.

＜実施例１＞
リール部材１として、ポリスチレン樹脂からなり、巻芯軸部２の直径が１００ｍｍ、厚さが１．２５ｍｍで、第１及び第２フランジ部１１、１２の径が２５０ｍｍの両面フランジタイプのものを用いた。これは、図２に示す構成のものである。 <Example 1>
As the reel member 1, a double-sided flange type made of polystyrene resin, having a diameter of the core shaft portion 2 of 100 mm, a thickness of 1.25 mm, and a diameter of the first and second flange portions 11 and 12 of 250 mm is used. It was. This is of the configuration shown in FIG.

リール部材１の補強部３は、厚さを２．０ｍｍとし、幅Ｄを１５０ｍｍとした。
また、軽量化部４は平面テーパ状に形成し、フランジ内周部における高さＨ1を補強部３の厚さと同一の２．０ｍｍとし、フランジ外周部における厚さＨ2が１．５ｍｍとなるようにした。 The reinforcing portion 3 of the reel member 1 has a thickness of 2.0 mm and a width D of 150 mm.
Further, the light weight portion 4 is formed in a flat tapered shape, the height H 1 at the flange inner peripheral portion is 2.0 mm which is the same as the thickness of the reinforcing portion 3, and the thickness H 2 at the flange outer peripheral portion is 1.5 mm. It was made to become.

一方、リブ５のフランジ外周部（外側ガイド部５ｂ）における高さｈは、第１及び第２フランジ部１１、１２の内側面から０．５ｍｍとなるようにした。
また、リブ５の内側ガイド部５ａは、等間隔で１２本設けた。
このリール部材１に、接着フィルム６として長さ５００ｍの異方導電性接着フィルム６を巻き取った。 On the other hand, the height h at the flange outer peripheral portion (outer guide portion 5 b) of the rib 5 was set to 0.5 mm from the inner surfaces of the first and second flange portions 11 and 12.
Further, twelve inner guide portions 5a of the rib 5 are provided at equal intervals.
An anisotropic conductive adhesive film 6 having a length of 500 m was wound around the reel member 1 as the adhesive film 6.

＜比較例１＞
図５に示すように、テーパ状の軽量化部４を形成せず、第１及び第２フランジ部１１、１２の厚さを２ｍｍとするとともに、リブ５Ａの内側ガイド部５０ａ及び外側ガイド部５０ｂの高さをフランジ内側面４０から０．１ｍｍとした。このリール部材１Ａは、従来のリール部材の構成のものである。
そして、第１及び第２フランジ部１１、１２の径を１９５ｍｍとし、長さ３００ｍの接着フィルム６を巻き取った。 <Comparative Example 1>
As shown in FIG. 5, the tapered lightening portion 4 is not formed, the thickness of the first and second flange portions 11 and 12 is 2 mm, and the inner guide portion 50a and the outer guide portion 50b of the rib 5A. The height was set to 0.1 mm from the flange inner surface 40. This reel member 1A has a configuration of a conventional reel member.
And the diameter of the 1st and 2nd flange parts 11 and 12 was 195 mm, and the 300-m-long adhesive film 6 was wound up.

＜比較例２＞
図５に示す形状で第１及び第２フランジ部１１、１２の径が２５０ｍｍのリール部材１Ａを作成し、長さ５００ｍの接着フィルム６を巻き取った。 <Comparative Example 2>
A reel member 1A in which the diameters of the first and second flange portions 11 and 12 are 250 mm in the shape shown in FIG. 5 was created, and the adhesive film 6 having a length of 500 m was wound up.

＜比較例３＞
図６に示すように、第１及び第２フランジ部１１、１２の内側面にテーパ状の軽量化部４Ａを形成する一方で、リブ５Ｂの内側ガイド部５０ａ及び外側ガイド部５０ｂの高さをフランジ内側面から０．１ｍｍとした。
その他は実施例と同一の条件でリール部材１Ｂを作成し、長さ３００ｍの接着フィルム６を巻き取った。 <Comparative Example 3>
As shown in FIG. 6, while the tapered lightening part 4A is formed on the inner surface of the first and second flange parts 11 and 12, the height of the inner guide part 50a and the outer guide part 50b of the rib 5B is increased. It was set to 0.1 mm from the inner surface of the flange.
Otherwise, the reel member 1B was prepared under the same conditions as in the example, and the adhesive film 6 having a length of 300 m was wound up.

＜比較例４＞
図７に示すように、補強部を設けずにテーパ状の軽量化部４Ａを形成した以外は実施例と同一の条件でリール部材１Ｃを作成し、長さ５００ｍの接着フィルム６を巻き取った。 <Comparative example 4>
As shown in FIG. 7, a reel member 1C was created under the same conditions as in the example except that a tapered lightening portion 4A was formed without providing a reinforcing portion, and an adhesive film 6 having a length of 500 m was wound up. .

＜評価＞
実施例及び比較例１〜４によって作成したリール部材（フィルム収容体）をそれぞれ２４時間室温の環境下で放置し、フランジ外周部における第１及び第２フランジ部１１、１２間のクリアランスをレーザー反射式変位計を用いて測定した。その結果を表１に示す。
また、実施例及び比較例１〜４において、巻取時の接着フィルム６の状態（脱落等）を目視で観察した。その結果を表１に示す。 <Evaluation>
The reel members (film containers) prepared according to the examples and comparative examples 1 to 4 are left in a room temperature environment for 24 hours, respectively, and the clearance between the first and second flange portions 11 and 12 at the outer peripheral portion of the flange is reflected by the laser. It measured using the type | formula displacement meter. The results are shown in Table 1.
In Examples and Comparative Examples 1 to 4, the state of the adhesive film 6 at the time of winding (dropping off, etc.) was visually observed. The results are shown in Table 1.

さらに、接着フィルム６を、引出張力５０ｇ、引張速度５００ｍｍ／秒で１秒間のインターバルをおいて１秒間の引き出しを、最後まで繰り返し行い、引出時及び引出後の接着フィルム６の状態（引出時の引っかかり、ブロッキング、切れ）を目視で観察した。その結果を表１に示す。   Further, the adhesive film 6 was drawn out for 1 second at a pulling tension of 50 g and a pulling speed of 500 mm / second with an interval of 1 second until the end, and the state of the adhesive film 6 at the time of drawing and after drawing (at the time of drawing) Catch, blocking, and cutting) were visually observed. The results are shown in Table 1.

Figure 0005930274
Figure 0005930274

＜評価結果＞
表１から明らかなように、補強部及びテーパ状の軽量化部を設けていない比較例１、２の場合、接着フィルム６の長さが３００ｍと短い場合（比較例１）には、フランジ外周部におけるクリアランスの狂いが小さく（１．１５±０．１ｍｍ）、巻取時及び引出時において問題は生じなかったが、接着フィルム６の長さが５００ｍと長尺化した場合（比較例２）には、フランジ外周部におけるクリアランスの狂いが大きくなるとともに（１．１５±０．４ｍｍ）、引出時において、引っかかり、ブロッキング、切れが生じた。 <Evaluation results>
As is clear from Table 1, in the case of Comparative Examples 1 and 2 in which the reinforcing part and the tapered lightening part are not provided, when the length of the adhesive film 6 is as short as 300 m (Comparative Example 1), the outer circumference of the flange When the deviation of the clearance at the part is small (1.15 ± 0.1 mm) and no problem occurs at the time of winding and pulling out, the length of the adhesive film 6 is increased to 500 m (Comparative Example 2). In this case, the clearance deviation in the outer peripheral portion of the flange was increased (1.15 ± 0.4 mm), and at the time of drawing, it was caught, blocked, and cut.

また、第１及び第２フランジ部１１、１２の内側面にテーパ状の軽量化部４Ａを形成する一方で、リブ５Ｂの高さをリール部材１Ｂの内側面から０．１ｍｍとした比較例３においては、第１及び第２のフランジ部１１、１２の径が２５０ｍｍの場合であっても、フランジ外周部におけるクリアランスの狂いが大きく（１．１５±０．２ｍｍ）、しかも巻取時において接着フィルム６の巻きずれ及び脱落が生じた。   Further, Comparative Example 3 in which the tapered lightening portion 4A is formed on the inner side surfaces of the first and second flange portions 11 and 12, while the height of the rib 5B is 0.1 mm from the inner side surface of the reel member 1B. In this case, even when the diameters of the first and second flange portions 11 and 12 are 250 mm, the clearance deviation in the outer peripheral portion of the flange is large (1.15 ± 0.2 mm), and adhesion is performed during winding. The film 6 was unwound and dropped.

さらに、第１及び第２フランジ部１１、１２の内側面にテーパ状の軽量化部４Ａを形成するとともに、フランジ外周部におけるリブ５の高さを実施例と同じ０．５ｍｍにした比較例４では、接着フィルム６の長さを５００ｍに長尺化することができたが、フランジ外周部におけるクリアランスの狂いが大きく（１．１５±０．２ｍｍ）、しかも引出時において引っかかりが生じた。   Furthermore, while forming the taper-shaped lightweight part 4A in the inner surface of the 1st and 2nd flange parts 11 and 12, it is the comparative example 4 which made the height of the rib 5 in the flange outer peripheral part 0.5 mm same as an Example. Then, the length of the adhesive film 6 could be increased to 500 m, but the clearance deviation in the outer peripheral portion of the flange was large (1.15 ± 0.2 mm), and it was caught when pulled out.

これに対し、第１及び第２フランジ部１１、１２の内側面に補強部３及びテーパ状の軽量化部４を形成するとともに、フランジ外周部におけるリブ５の高さを０．５ｍｍにした実施例では、接着フィルム６の長さを５００ｍに長尺化した場合においても、フランジ外周部におけるクリアランスの狂いが小さく（１．１５±０．１ｍｍ）、特に成型直後は、１．１５±０．１ｍｍ以下であった。
さらに、実施例のものにおいては、巻取時及び引出時において何ら問題が生じなかった。 In contrast, the reinforcing portion 3 and the tapered lightening portion 4 are formed on the inner side surfaces of the first and second flange portions 11 and 12, and the height of the rib 5 at the outer peripheral portion of the flange is 0.5 mm. In the example, even when the length of the adhesive film 6 is increased to 500 m, the clearance deviation at the outer peripheral portion of the flange is small (1.15 ± 0.1 mm). It was 1 mm or less.
Furthermore, in the examples, no problems occurred during winding and withdrawal.

以上の結果から、本発明によれば、リール部材の自重によるフランジ外周部のたわみを防止し、第１及び第２フランジ部間のクリアランスの精度を向上できることを実証することができた。   From the above results, according to the present invention, it was possible to demonstrate that the deflection of the outer peripheral portion of the flange due to the weight of the reel member can be prevented and the accuracy of the clearance between the first and second flange portions can be improved.

１…リール部材
２…巻芯軸部
３…補強部
４…軽量化部
５…リブ
５ａ…内側ガイド部
５ｂ…外側ガイド部
６…接着フィルム
１０…駆動軸
１１…第１フランジ部
１２…第２フランジ部
Ｏ…回転軸線 DESCRIPTION OF SYMBOLS 1 ... Reel member 2 ... Core shaft part 3 ... Reinforcement part 4 ... Lightening part 5 ... Rib 5a ... Inner guide part 5b ... Outer guide part 6 ... Adhesive film 10 ... Drive shaft 11 ... First flange part 12 ... Second Flange part O ... rotation axis

Claims (4)

円筒形状に形成され、接着フィルムを巻取可能な巻芯軸部と、
前記巻芯軸部の両端部に設けられ、それぞれの外側面が平行な平面となるように形成された第１及び第２フランジ部とを備え、前記第１及び第２フランジ部の前記巻芯軸部の内周側から周囲の部分に、それぞれ一定の厚さの補強部が設けられるとともに、
前記第１及び第２フランジ部の内側部分で、かつ、前記補強部に対してフランジ外周側の部分に、前記補強部から外周部側に向って前記補強部の厚さより厚さが薄くなるようにテーパ状に形成された軽量化部が設けられ、
さらに、前記第１及び第２フランジ部の内側部分で、かつ、前記補強部及び前記軽量化部の表面に、当該接着フィルムを案内するためのリブが設けられ、
前記リブは、当該接着フィルムを案内する面が、当該リール部材の回転軸線に対して直交する面上に位置するように設けられているリール部材。 A core shaft portion formed in a cylindrical shape and capable of winding an adhesive film;
The first and second flange portions are provided at both ends of the core shaft portion, and are formed so that their outer surfaces are parallel planes, and the cores of the first and second flange portions are provided. Reinforcing portions of a certain thickness are provided from the inner peripheral side of the shaft portion to the surrounding portions , respectively,
An inner portion of the first and second flange portions and a portion on the outer peripheral side of the flange with respect to the reinforcing portion so that the thickness becomes thinner than the thickness of the reinforcing portion from the reinforcing portion toward the outer peripheral portion. Is provided with a lighter portion formed in a tapered shape,
Furthermore, ribs for guiding the adhesive film are provided on the inner portions of the first and second flange portions and on the surfaces of the reinforcing portion and the lightening portion ,
The rib is a reel member provided such that a surface for guiding the adhesive film is located on a surface orthogonal to the rotation axis of the reel member. ３００〜６００ｍｍの接着フィルムを巻き取るリール部材であって、
前記第１及び第２フランジ部の直径が、２５０〜３００ｍｍであり、前記第１及び第２フランジ部の間隔である前記巻芯軸部の厚さが、１．００〜１．３０ｍｍであって、当該巻芯軸部の径が、（前記第１及び第２フランジ部の直径／２．５）±１０％であり、前記補強部の径が、（前記第１及び第２フランジ部の直径／１．５）±１０％であり、前記軽量化部の中心側端部と外周部側端部の厚さの比が、５：４〜３：２である請求項１記載のリール部材。 A reel member for winding an adhesive film of 300 to 600 mm,
The diameter of the first and second flange portions is 250 to 300 mm, and the thickness of the core shaft portion, which is the distance between the first and second flange portions, is 1.00 to 1.30 mm. The diameter of the core shaft portion is (diameter of the first and second flange portions / 2.5) ± 10%, and the diameter of the reinforcing portion is (diameter of the first and second flange portions). 2. The reel member according to claim 1, wherein the ratio of the thickness of the light-weighted portion at the center side end portion to the outer peripheral portion side end portion is 5: 4 to 3: 2. 請求項１又は２のいずれか１項記載のリール部材と、
前記リール部材の巻芯軸部に巻き取られた接着フィルムとを有するフィルム収容体。 The reel member according to any one of claims 1 and 2 ,
A film container having an adhesive film wound around a core shaft portion of the reel member. 前記接着フィルムが、絶縁性接着剤中に導電性粒子が分散された異方導電性接着フィルムである請求項３記載のフィルム収容体。
The film container according to claim 3 , wherein the adhesive film is an anisotropic conductive adhesive film in which conductive particles are dispersed in an insulating adhesive.
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PCT/JP2012/080987 WO2013084797A1 (en) 2011-12-05 2012-11-29 Reel member and film containing body
CN201280059947.9A CN103958384B (en) 2011-12-05 2012-11-29 Reel parts and film housing
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