JP2009102204A - Ear part cutting device - Google Patents

Ear part cutting device Download PDF

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Publication number
JP2009102204A
JP2009102204A JP2007277080A JP2007277080A JP2009102204A JP 2009102204 A JP2009102204 A JP 2009102204A JP 2007277080 A JP2007277080 A JP 2007277080A JP 2007277080 A JP2007277080 A JP 2007277080A JP 2009102204 A JP2009102204 A JP 2009102204A
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ear
roller
cutting device
glass ribbon
supporting
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JP2007277080A
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JP4849051B2 (en
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Yuichi Tsuji
友一 辻
Masahiko Aso
優彦 麻生
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Central Glass Co Ltd
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Central Glass Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57—Improving the yield, e-g- reduction of reject rates

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  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To perform bending and splitting along the cut line of a thin sheet glass used for a flat panel display or the like, particularly, to cleanly bend and split a narrow ear part. <P>SOLUTION: In the ear part cutting device used for glass sheet production by a float process, and composed of a cut line imparting part for ear part cutting, a roller for supporting and a press/split roller, an edge part supporting roller is provided, and the ear part supporting roller is supported by a rotating supporting arm freely rotatable to the width direction of a glass ribbon. Further, the rotating supporting part is movable to the upper and lower directions, and is also movable to the width direction of the glass ribbon. Further, the rotating supporting arm is connected with a supporting rod capable of horizontal movement and vertical movement at a slide part. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、フラットパネルディスプレイ等で使用する薄板ガラスの折割装置および折割方法であって、特に幅狭な耳部をクリーンでキズをつけない折割装置および折割方法に関する。   The present invention relates to a folding device and a folding method for thin glass used in a flat panel display or the like, and more particularly to a folding device and a folding method in which a narrow ear portion is clean and not scratched.

フロート法によるガラス板の製造において、ガラスリボンの除冷後、多数の搬送ローラー上を搬送される。この、除冷後の搬送ローラー上を搬送されるガラスリボンは、その両サイドのローラー跡が存在している耳部を切断する必要がある。   In the production of a glass plate by the float process, after the glass ribbon is cooled, it is conveyed on a number of conveying rollers. It is necessary to cut the ear | edge part in which the roller ribbon of the both sides exists in this glass ribbon conveyed on the conveyance roller after this cooling.

耳部の切断について、特許文献１には、耳部に切筋が付与され、ガラスリボンの下部に設けられる支持用ローラーとガラスリボンの上部に設けられる押し割りローラーをもちいて切断する装置が開示されている。   Regarding the cutting of the ear part, Patent Document 1 discloses an apparatus for cutting by using a supporting roller provided at the lower part of the glass ribbon and a split roller provided at the upper part of the glass ribbon. ing.

また、特許文献２には、切断された耳部が自重によって落下させることが記載されている。   Patent Document 2 describes that a cut ear is dropped by its own weight.

近年、液晶ディスプレイ、プラズマディスプレイ、有機ＥＬディスプレイ等のフラットパネルディスプレイで使用される、厚みが１ｍｍ以下の薄いガラス板が、フロート法で製造されるようになり、このような厚みが１ｍｍ以下のガラス板において、折り口の端面をクリーンとし、また端縁部にキズを発生させないようにして折り割る必要がある。
特開昭４８−１５９０９公報 特開平３−１０３３３１公報 In recent years, thin glass plates with a thickness of 1 mm or less used for flat panel displays such as liquid crystal displays, plasma displays and organic EL displays have been manufactured by the float process, and such glass with a thickness of 1 mm or less. In the plate, it is necessary to fold and break the end face of the fold opening so that the end edge is not scratched.
JP-A-48-15909 JP-A-3-103331

特許文献１に開示されている耳部の切断装置で耳部を切断するとき、厚みが１ｍｍ以下のガラス板の場合、切断される耳部が軽量のため、切断されて切り離されている耳部と、未切断で切り離されていない耳部とが存在してしまい、切り離されている耳部が撓んで、切断箇所が端面同士の接触によりクリーンカットできない恐れがあった。   When cutting the ears with the ear cutting device disclosed in Patent Document 1, in the case of a glass plate having a thickness of 1 mm or less, the ears to be cut are light and thus the ears are cut and separated. Then, there is an uncut portion that is not cut off, and the cut off ear portion is bent, and the cut portion may not be cleanly cut due to contact between the end faces.

さらにまた、切筋線の一端から他端にかけて、切筋線に不均一な荷重が発生して、クリーンカットできない恐れがあった。   Furthermore, there is a possibility that a non-uniform load may be generated on the scoring line from one end to the other end of the scoring line and a clean cut cannot be performed.

本発明はこのような点に鑑みてなされたものであり、簡易な構成で互いの折割端面同士が当接することなく、確実な耳部の折割とクリーンカットとを可能とする耳部切断装置の提供を課題とする。   The present invention has been made in view of the above points, and the ear cutting that enables reliable splitting and clean cutting of the ears without contacting each other with a simple configuration. It is an object to provide a device.

本発明の耳部切断装置は、フロート法によるガラス板製造に用いられる、耳部切断の切筋線付与部と支持用ローラーと押し割りローラーとからなる、耳部切断装置において、耳部支持ローラーが設けられてなることを特徴とする耳部切断装置である。   The ear cutting device of the present invention is an ear cutting device, which is used for manufacturing a glass plate by a float method, and includes an incision cutting line applying portion, a supporting roller and a split roller. It is an ear | edge part cutting device characterized by being provided.

また、本発明の耳部切断装置は、前記耳部切断装置において、耳部支持ローラーが、上下方向およびガラスリボンの幅方向に回転自在な回転支持アームで支持されてなることを特徴とする耳部切断装置である。   The ear cutting device of the present invention is characterized in that, in the ear cutting device, the ear support roller is supported by a rotation support arm that is rotatable in the vertical direction and the width direction of the glass ribbon. It is a part cutting device.

また、本発明の耳部切断装置は、前記耳部切断装置において、回転支持アームの回転支持部が、上下方向およびガラスリボンの幅方向に移動可能であることを特徴とする耳部切断装置である。   Further, the ear cutting device of the present invention is the ear cutting device according to the above-mentioned ear cutting device, wherein the rotation support portion of the rotation support arm is movable in the vertical direction and the width direction of the glass ribbon. is there.

また、本発明の耳部切断装置は、前記耳部切断装置において、回転支持アームが、水平移動と上下移動が可能な支持棒と、スライド部で連結していることを特徴とする耳部切断装置である。   The ear cutting device of the present invention is characterized in that, in the ear cutting device, the rotation support arm is connected to a support rod capable of horizontal movement and vertical movement by a slide portion. Device.

本発明は、フロート法による厚みが１ｍｍ以下の薄板ガラスの製造において、耳部の切断がクリーンカットできる装置を提供し、生産歩留の向上を図ることができるものである。   The present invention provides an apparatus capable of clean-cutting the ears in the production of a thin glass sheet having a thickness of 1 mm or less by the float process, and can improve the production yield.

図１から図３に示すように、本発明は、フロート法で製造される薄板ガラス（ガラスリボン）１の端縁側部分（通称、耳部と呼ぶ）３を、ガラスリボン１の端部に平行に付与した切筋線２に沿って、順次折割る装置であり、折割時の折割端面同士の接触によるキズや欠け等を発生させないクリーンな切断面を得られるようにした折割装置および方法である。   As shown in FIGS. 1 to 3, in the present invention, an edge side portion (commonly referred to as an ear portion) 3 of a thin glass (glass ribbon) 1 manufactured by a float process is parallel to the end portion of the glass ribbon 1. A device that sequentially breaks along the scoring line 2 applied to the above, and a folding device that can obtain a clean cut surface that does not cause scratches, chipping, etc. due to contact between the split end faces during splitting, and Is the method.

本発明の折割装置は、主に、図１から図３に示すように、支持用ローラー５、押し割りローラー４、耳部支持ローラー６およびこれらの支持部材（図示せず）、切筋線付与装置（図示せず）とから構成される。   As shown in FIGS. 1 to 3, the folding device of the present invention mainly includes a support roller 5, a push roller 4, an ear support roller 6 and their support members (not shown), and a scoring line. And a device (not shown).

支持用ローラー５、押し割りローラー４および耳部支持ローラー６は、いずれも硬質ゴム製のものを使用することが望ましい。   The support roller 5, the split roller 4 and the ear support roller 6 are all preferably made of hard rubber.

図１から図３に示すように、ガラスリボンに付与された切筋線２に対して、押し割りローラー４と支持用ローラー５とによってガラスリボンの耳部３が切断され、切筋線２の内部だけを使用し、該耳部はガラス屑としてカレット化される。   As shown in FIG. 1 to FIG. 3, the cut ribbon 2 is applied to the glass ribbon, and the glass ribbon ear 3 is cut by the split roller 4 and the supporting roller 5. The ear is culleted as glass waste.

なお、ガラスリボン１は、耳部を切断する前に、ガラスリボンの幅方向に対して直角の方向に、所定の寸法に裁断されていることが望ましい。   The glass ribbon 1 is preferably cut to a predetermined dimension in a direction perpendicular to the width direction of the glass ribbon before cutting the ear portion.

車両用や建築用に用いられる厚みが２ｍｍ以上のガラス板の場合は、耳部の自重により、前記所定の寸法全体にわたって、ほぼ瞬時に切筋線２で切断され、切断された耳部は、落下させて除かれる。   In the case of a glass plate having a thickness of 2 mm or more used for vehicles or construction, the ear part cut almost instantaneously at the scoring line 2 over the entire predetermined dimension due to the weight of the ear part, Dropped and removed.

しかしながら、液晶ディスプレイ、プラズマディスプレイ、有機ＥＬディスプレイ等のフラットパネルディスプレイで使用される、厚みが１ｍｍ以下の薄板ガラスの場合は、軽いため、切断された耳部の落下する速度が遅かったり、所定の寸法に渡って一度に切断されず、折割時の折割端面同士が接触しやすく、接触によるキズや欠け等が発生してしまう。   However, in the case of a thin glass plate having a thickness of 1 mm or less used for flat panel displays such as liquid crystal displays, plasma displays, and organic EL displays, the speed at which the cut ears fall is slow or predetermined. It is not cut at once over the dimensions, and the split end faces at the time of splitting easily come into contact with each other, and scratches or chips due to the contact occur.

本発明は、折割時の折割端面同士が接触しないようにするため、図１から図３に示すように、耳部支持ローラーを設けるものである。   In the present invention, as shown in FIGS. 1 to 3, ear support rollers are provided in order to prevent the split end faces from contacting each other at the time of splitting.

この耳部支持ローラーは切断される耳部を係止するので、切断される耳部が自由に動くことがなく、折割端面同士の接触を防ぐことができる。   Since this ear | edge part support roller latches the ear | edge part to be cut | disconnected, the ear | edge part to be cut | disconnects does not move freely, and it can prevent the contact between folding end surfaces.

図４に示すように、押し割りローラー４はガラスリボン１の搬送方向に対して、支持ローラー５の下流側に配置することが望ましい。また、耳部支持ローラー６は、押し割りローラー４や支持ローラー５の近くに設うけることが望ましく、２個以上設うけてもよい。さらに、耳部支持ローラーは、押し割りローラー４の下流側に、また、支持ローラー５の上流側に設けることが好ましい。   As shown in FIG. 4, it is desirable to arrange the split roller 4 on the downstream side of the support roller 5 with respect to the conveyance direction of the glass ribbon 1. Moreover, it is desirable to provide the ear | edge part support roller 6 near the split roller 4 and the support roller 5, and you may install two or more. Further, the ear support roller is preferably provided on the downstream side of the split roller 4 and on the upstream side of the support roller 5.

また、耳部支持ローラーは、ガラスリボンの搬送する方向に対し、厚みや搬送速度に合せて、ガラスリボンの幅方向、高さの位置を適当に変えられるように、調整可能であることが好ましく、ガラスリボンの幅方向および上下方向に移動できる状態で支持されていることが望ましい。   Further, the ear support roller is preferably adjustable so that the position of the glass ribbon in the width direction and the height can be appropriately changed in accordance with the thickness and the conveyance speed with respect to the direction in which the glass ribbon is conveyed. It is desirable that the glass ribbon is supported so as to be movable in the width direction and the vertical direction.

耳部支持ローラー６は、図５に示すように、回転支持アーム１０によって回転支持されていると、ローラーのガラスリボンに対する向きが調整できるので好ましい。   As shown in FIG. 5, it is preferable that the ear support roller 6 is rotatably supported by the rotation support arm 10 because the orientation of the roller with respect to the glass ribbon can be adjusted.

また、回転支持アーム１０は、回転支持部１１の位置を上下方向および水平方向に移動可能となるようにし、耳部支持ローラー６の、耳部３に対する上下方向および水平方向（リボンの幅方向）の位置が、調整可能となる。   In addition, the rotation support arm 10 can move the position of the rotation support portion 11 in the vertical direction and the horizontal direction, and the ear portion support roller 6 in the vertical direction and the horizontal direction with respect to the ear portion 3 (the width direction of the ribbon). Can be adjusted.

また、回転支持部１１に対して、回転支持アーム１０の耳部支持ローラー６を支持している側とは反対側を、水平移動が可能な水平移動バー１２とスライド部１３で連結するようにしてあることが望ましい。   In addition, the side opposite to the side supporting the ear support roller 6 of the rotation support arm 10 is connected to the rotation support unit 11 by a horizontal movement bar 12 and a slide unit 13 that can move horizontally. It is desirable that

回転支持部１１の位置と水平移動バー１２の位置を調整することにより、耳部支持ローラーの上下方向、水平方向の位置の調整に合せて、ローラーのガラスリボンに対する向きを調整することが可能となる。   By adjusting the position of the rotation support part 11 and the position of the horizontal movement bar 12, the orientation of the roller with respect to the glass ribbon can be adjusted in accordance with the adjustment of the position of the ear part support roller in the vertical and horizontal directions. Become.

回転支持部１１の水平移動、上下移動の手段、および水平移動バー１２の水平移動手段としては、サーボモーターやエアーシリンダーなどを用いることができる。   A servo motor, an air cylinder, etc. can be used as a horizontal movement means of the rotation support part 11, a vertical movement means, and a horizontal movement means of the horizontal movement bar 12.

耳支持ローラーの位置を示す概略正面図である。It is a schematic front view which shows the position of an ear | edge support roller. 耳支持ローラーの位置を示す概略側面図である。It is a schematic side view which shows the position of an ear | edge support roller. 耳支持ローラーの位置を示す概略平面図である。It is a schematic plan view which shows the position of an ear | edge support roller. 押し割りローラー、支持用ローラー、耳部支持ローラーのガラスリボンの搬送方向に対する位置を説明するための図である。It is a figure for demonstrating the position with respect to the conveyance direction of the glass ribbon of a scissor roller, a support roller, and an ear | edge part support roller. 耳支持ローラーの支持部を示す概略正面図である。It is a schematic front view which shows the support part of an ear | edge support roller.

符号の説明Explanation of symbols

１ 薄板ガラス（ガラスリボン）
２ 切筋線
３ 端縁側部分（耳部）
４ 押し割りローラー
５ 支持用ローラー
６ 耳部支持ローラー
７ 搬送ローラー
１０ 回転支持アーム
１１ 回転支持部
１２ 位置調整バー
１３ スライド部 1 Thin glass (glass ribbon)
2 Cut line 3 Edge side part (ear part)
4 Split roller 5 Support roller 6 Ear support roller 7 Transport roller 10 Rotation support arm 11 Rotation support portion 12 Position adjustment bar 13 Slide portion

Claims (4)

フロート法によるガラス板製造に用いられる、耳部切断の切筋線付与部と支持用ローラーと押し割りローラーとからなる耳部切断装置において、耳部支持ローラーが設けられてなることを特徴とする耳部切断装置。   An ear cutting device comprising a cutting line providing portion for cutting an ear, a supporting roller, and a split roller, which is used for manufacturing a glass plate by a float method, and an ear supporting roller is provided. Partial cutting device. 耳部支持ローラーが、ガラスリボンの幅方向に回転自在な回転支持アームで支持されてなることを特徴とする請求項１に記載の耳部切断装置。   The ear cutting device according to claim 1, wherein the ear support roller is supported by a rotation support arm that is rotatable in the width direction of the glass ribbon. 回転支持アームの回転支持部が、上下方向およびガラスリボンの幅方向に移動可能であることを特徴とする請求項１または請求項２のいずれかに記載の耳部切断装置。   The ear part cutting device according to claim 1, wherein the rotation support part of the rotation support arm is movable in the vertical direction and the width direction of the glass ribbon. 回転支持アームが、水平移動と上下移動とが可能な支持棒と、スライド部で連結していることを特徴とする請求項１乃至３のいずれかに記載の耳部切断装置。   The ear part cutting device according to any one of claims 1 to 3, wherein the rotation support arm is connected to a support bar capable of horizontal movement and vertical movement by a slide part.
JP2007277080A 2007-10-25 2007-10-25 Ear cutting device Expired - Fee Related JP4849051B2 (en)

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Cited By (11)

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JP2010132348A (en) * 2008-10-01 2010-06-17 Nippon Electric Glass Co Ltd Glass roll
CN102329076A (en) * 2011-07-22 2012-01-25 彩虹集团电子股份有限公司 Automatic on-line continuous sheet cutting and separating method for flat glass
WO2013175535A1 (en) * 2012-05-24 2013-11-28 川崎重工業株式会社 Sheet glass material dividing device
CN104163568A (en) * 2013-05-16 2014-11-26 川崎重工业股份有限公司 Cutting device for welding bead section bar
CN104290117A (en) * 2013-07-17 2015-01-21 川崎重工业股份有限公司 Plat cutting device
TWI486315B (en) * 2012-05-24 2015-06-01 Kawasaki Heavy Ind Ltd Sheet breaking device for sheet metal
WO2016079951A1 (en) * 2014-11-19 2016-05-26 坂東機工株式会社 Method for splitting glass plate and splitting device for same
JP2016098170A (en) * 2016-02-17 2016-05-30 坂東機工株式会社 Splitting method of glass plate
JP2016104683A (en) * 2014-11-19 2016-06-09 坂東機工株式会社 Splitting method of glass sheet, and splitting device therefor
KR20160086824A (en) 2013-11-15 2016-07-20 아사히 가라스 가부시키가이샤 Method for producing glass plate and device for producing glass plate
JP2017109922A (en) * 2016-12-28 2017-06-22 坂東機工株式会社 Splitting method of glass sheet

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Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010132348A (en) * 2008-10-01 2010-06-17 Nippon Electric Glass Co Ltd Glass roll
CN102329076A (en) * 2011-07-22 2012-01-25 彩虹集团电子股份有限公司 Automatic on-line continuous sheet cutting and separating method for flat glass
TWI486315B (en) * 2012-05-24 2015-06-01 Kawasaki Heavy Ind Ltd Sheet breaking device for sheet metal
KR101628207B1 (en) * 2012-05-24 2016-06-08 카와사키 주코교 카부시키 카이샤 Sheet glass material dividing device
KR20140129337A (en) 2012-05-24 2014-11-06 카와사키 주코교 카부시키 카이샤 Sheet glass material dividing device
CN103420598A (en) * 2012-05-24 2013-12-04 川崎重工业株式会社 Sheet glass material dividing device
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JP2016104683A (en) * 2014-11-19 2016-06-09 坂東機工株式会社 Splitting method of glass sheet, and splitting device therefor
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