201008886 六、發明說明： 【發明所屬之技術領域】 本發明係關於在藉由浮式法而製造且自緩冷爐中連續搬 送之帶狀之玻璃帶上加工出割斷線的玻璃帶之割斷線加工 裝置及玻璃帶之割斷線加工方法。 【先前技術】 先則以來，眾所周知有於建築用板玻璃、汽車用板玻 璃、及顯示器用板玻璃等玻璃板中，藉由使用浮式槽之浮 癱 式法而進行之玻璃帶之製造方法。 藉由浮式法之板玻璃之製造方法係將熔融玻璃供給至浮 式槽之熔融錫表面上，使熔融玻璃於熔融錫浴上成形為連 續之片狀之製法，且係如下製法，即，於熔融錫浴中將特 定寬度之連續之高溫玻璃帶自熔融錫表面拉出，藉由緩冷 爐而使其緩冷之後，藉由切斷裝置而將自緩冷爐中連續搬 送而來之帶狀之玻璃帶切斷為特定大小之矩形狀玻璃板。 • 上述切斷裝置中，於玻璃帶之表面加工出與玻璃帶之搬 送方向正交之割斷線之割斷線加工裝置，具有搬送玻璃帶 並且配設於與玻璃帶之搬送方向正交之方向之複數根搬送 輥，ΐ且具備切斷工具，該切斷工具於搬送輥上按壓搬送 中之玻璃帶之上表面，並且相對於搬送中之玻璃帶而斜向 移動，藉此，於玻璃帶之上表面加工出割斷線（專利文獻 1)。 先行技術文獻 專利文獻 141657.doc 201008886 專利文獻1:日本專利特開平8_231239號公報 【發明内容】 發明所欲解決之問題 先前之割斷線加工裝置如圖6A所示之平面圖、圖⑽所 示之側視圖所示，於與玻璃帶之搬送方向正交之方向上配 置有複數根搬送輥2,且具備於該等搬送輥2上按壓搬送中 之玻璃帶1之上表面的切斷工具3。該切斷工具3相對於搬 送中之玻璃帶1，以箭頭A所示之方式斜向移動，藉此，於 玻璃帶1之上表面加工出與玻璃帶〗之搬送方向正交之割斷 線4。 然而，存在如下問題：於切斷工具3在各搬送輥2間之間 隙5中移動時，會因切斷工具3之加工壓力而於該部分之玻 璃上產生裂痕。若將切斷工具3之加工壓力設定得較低， 則可消除此種不良，但若將加工壓力設定得較低，則無法 將割斷線4加工至特定之深度為止，因此存在於後段之彎 折步驟中產生切斷形狀不良之問題。 又，若玻璃帶之板厚較厚，則玻璃帶本身具有剛性，因 此不易產生此種不良，但玻璃帶之板厚越薄，則越會顯著 地產生此種不良，尤其對於顯示器用等之板厚為^ 〇 mm之玻璃而言’會較多地產生此種不良。 本發明係赛於此種情形開發而成者，其目的在於提供一 種可於藉由複數根搬送輥而連續搬送之玻璃帶上穩定地加 工出割斷線之玻璃帶之割斷線加工裝置及玻璃帶之割斷線 加工方法。 14I657.doc 201008886 解決問題之技術手段 為達成上述目的，本發明之玻璃帶之割斷線加工裝置之 發明包括：複數根搬送輥，其搬送玻璃帶並且配設於與該 玻璃帶之搬送方向正交之方向；以及切斷工具，其對於搬 送中之玻璃帶按壓玻璃帶之上表面並且斜向移動，藉此於 玻璃帶之上表面加工出與玻璃帶之搬送方向正交的割斷 線；上述玻璃帶之割斷線加工裝置之特徵在於：上述搬送 輥至少於上述切斷工具斜向移動之範圍中受到分割·，於各 經分割之搬送輥之間，形成上述切斷工具之與玻璃帶之下 表面抵接之支承輥的移動路徑，上述支承輥藉由移動機構 而與上述切斷工具一體地以相同方向及相同速度沿上述移 動路徑移動。 為達成上述目的，本發明之玻璃帶之割斷線加工方法之 發明，係藉由配設於與玻璃帶之搬送方向正交之方向之複 數根搬送輥而搬送該玻璃帶’將相工具按遷於該搬送中 之玻璃帶之上表面，使該切斷卫具相對於搬送中之玻璃帶 斜向移動’藉此於玻璃帶之上表面加工出與玻璃帶之搬 送方向正交的割斷線，上述玻璃帶之割斷線加工方法之特 徵在於：將上述搬送輥至少於上述切斷工具斜向移動之範 圍中分割’於各經分割之搬送輥之間，形成上述切斷工具 之與玻璃帶之下表面抵接之支承輥的移動路徑，一面藉由 移動機構而使上述支承輥與上述切斷工具一體地以相同方 向及相同速度沿上述移動路裡移動，一面加工上述割斷 線。 141657.doc 201008886 主 >'於上述 本發明’將搬送玻璃帶之複數根搬送輥 —> 切斷工具斜向移動之範圍中分割，於各經分割之搬送親之 1 =成切斷工具之與玻璃帶之下表面抵接之支承輥的移 動路徑$且’ 一面藉由移動機構而使該支承輥與切斷工 具體地以相同方向及相同速度沿上述移動路徑移動，一 面於玻璃帶上加工出割斷線。藉此，支承輥經常位於切斷 工具之下方，因此可於藉由複數根搬送輥而連續搬送之玻 帶穩疋地加工出割斷線。又，加工出1根割斷線之 Θ 後’切斷工具自玻璃帶之上表面朝上方退避而返回至切斷 加工開始位置之上方位置。繼而，支承輥亦同樣地，於加 工出1根割斷線之後’自玻璃帶之下表面朝下方退避而返 回至切斷加卫開始位置之下方位置。而且切斷工具及支 承輥於加工即將開始之前，同時朝玻璃帶進出移動。 又’將支承輥旋轉自如地支持於移動機構之軸承部藉 此’正在移動路徑中移動之支承㈣與玻璃帶之摩擦阻力 Ο :-面旋轉-面移動。藉此，玻璃帶與支承觀之接觸阻力 :小，因此’可抑制因支承輕與玻璃帶之下表面接觸而引 起之擦痕之產生。 於=根據本發明，較好的是，上述支錢為腈橡膠製。 、切斷卫具而於玻璃帶上加工出割斷線時，由於使用 切削油、煤油等之油，因此較 油性優良之腈橡膠製。 支承糙之材質為耐 二而下根據本發明，較好的是，上述破璃帶之板厚為〖 141657.doc -6 - 201008886 若玻璃帶之板厚較厚，則玻璃帶本身具有剛性，因此不 易產生由切斷工具之按壓力所引起之裂痕，但於板厚為i mm以下之玻璃帶之情形時，容易產生上述裂痕。因此， 較好的是，將本發明之割斷線加工裝置用作板厚為丨mm以 下之玻璃帶用割斷線加工裝置。尤其，更好的是可將本發 明之割斷線加工裝置用作板厚為〇.3〜〇 7 mm之液晶顯示器 用之玻璃之割斷線加工裝置。 發明之效果 根據本發明之玻璃帶之割斷線加工裝置及玻璃帶之割斷 線加工方法’可於藉由複數根搬送輥而連續搬送之玻璃帶 上穩定地加工出割斷線’因此可防止玻璃之裂痕或切斷形 狀不良。 【實施方式】 以下’根據隨附圖式’對本發明之玻璃帶之割斷線加工 裝置及玻璃帶之割斷線加工方法之較佳實施形態進行說 明。 圖1係使用有本發明之玻璃帶之割斷線加工裝置丨〇之藉 由浮式法的玻璃板製造設備12之剖面圖。再者，於以下之 說明中，下游侧係指以圖1之玻璃帶14之移動方向為基準 而與其同方向侧（圖1之箭頭X方向），並將其相反方向側稱 為上游側。 於圖1所示之玻璃板製造設備12中，自上游側朝朝下游 側配置有浮式槽2〇、浮渣箱22、緩冷爐24、以及割斷線加 工裝置10。 141657.doc 201008886 浮式槽20中，藉由連續性地將熔融玻璃供給至熔融錫28 之浴面而形成玻璃帶14。玻璃帶14係藉由浮渣箱22之吊輥 30而自熔融錫28被吊起’經由浮渣箱22内，藉由緩冷輥26 而搬送至緩冷爐24内並逐步冷卻。 經由緩冷爐24之玻璃帶14係藉由實施形態之割斷線加工 裝置10及未圖示之折斷裝置而於玻璃帶之寬度方向上經切 斷。折斷裝置通常係對加工有割斷線之玻璃帶丨4施加彎曲 力矩’沿割斷線而將玻璃帶14折斷之眾所周知之裝置。再 者，於玻璃帶14之寬度方向上加工出割斷線之前，預先對 於玻璃帶之前進方向’利用未圖示之割斷線加工裝置而於 玻璃帶14之兩端加工出割斷線。較好的是，相對於該前進 方向之割斷線加工裝置固定於搬送輥上側之位置。於寬度 方向上切斷玻璃帶之後’利用未圖示之折斷裝置而將玻璃 帶之兩端切斷。 如圖2、圖3所示，割斷線加工裝置1〇係由複數根搬送輥 32、34、36、38、40、42、切斷工具44及下述之支承輥48 而構成。上述搬送輥32〜42搬送自緩冷爐24(參照圖1)中搬 出之玻璃帶14,並且配設於與玻璃帶丨4之搬送方向正交之 方向。再者，搬送輥32〜42之根數未受限定。另一方面， 切斷工具44係於搬送輥32〜42上按壓搬送中之玻璃帶14之 上表面’並且藉由下述之移動機構而相對於搬送中之玻璃 帶14斜向移動。藉此，於玻璃帶14之上表面加工出與玻璃 帶14之搬送方向正交之割斷線46。再者，使用超硬合金輪 等作為切斷工具44。又，當將玻璃帶14之搬送速度設為 141657.doc 201008886 v，將切斷工具44之速度設為W’將相對於玻璃帶14之搬送 方向之切斷工具44之移動角度設為e時，該速度你為 w=v/cos0，藉此於與玻璃帶14之搬送方向正交之方向上加 工出割斷線46。 此處，將切斷工具44之移動軌跡作為A(參照圖2、圖 3)。 於沿切斷工具44之移動軌跡A之下方位置形成有移動路 _ 徑C，該移動路徑C用以使支承輥48以沿移動軌跡a之移動 軌跡B而移動。而且，為形成該移動路徑c，將搬送輥 32〜42於軸方向上一分為二。亦即，將搬送輥32分割為搬 送輥32A、32B ’同樣地分割為搬送輥μα、34B，搬送輥 36A、36B，搬送輥38A、38B，搬送輥4〇A、4〇B，搬送輥 42A、42B。藉此，形成支承輥48所經過之移動路徑。再 者，搬送輥32〜42係配置於至少切斷工具44斜向移動之範 圍之輥。 • 支承輥48係抵接於玻璃帶之下表面，且經由玻璃帶14 而接受切斷工具44之加工壓力（相對於玻璃帶14之按壓力） 者。 該支承輥48藉由圖4所示之移動機構5〇而與切斷工具44 一體地以相同方向及相同速度移動。 實施形態之移動機構50係進給螺桿裝置’其由馬達52、 連結於該馬達52之輸出軸之進給螺桿54、及螺母58而構 成。於螺母58之上部搭載有構成進退機構之氣缸6〇 ，於該 氣缸60之活塞62之上部設置有固持器％，該固持器以藉由 141657.doc 201008886 軸64而旋轉自如地支持支承輥48。又，藉由未圖示之控制 部而控制馬達52，以使其與切斷工具44之驅動部同步。 因此，根據以上述方式構成之移動機構5〇，將馬達52驅 動而使螺母58移動，使支承輥48移動至待機位置即&位 置。 又，此時，切斷工具44於該支承輥48之上方位置處待 機。繼而，當切斷工具44朝玻璃帶14下降，開始加工割斷 線時’活塞62與該動作同步地伸長，支承輥料移動至…立 置。藉此，支承輥48與玻璃帶14之下表面抵接，受到抵接 於其上表面之切斷工具44之按壓力。其後，支承輥钧藉由 馬達52之進給動作，於與玻璃帶14之下表面抵接之狀態 下，以與切斷工具44相同方向且相同速度而移動至加工末 端位置之c位置為止。藉此，如圖2所示，於玻璃帶Μ上加 工出割斷線46。其後，當活塞62進行收縮動作，支承輥48 移動至自玻璃帶丨4退避之d位置時，支承輥“藉由馬達^ 而返回移動至原來之a位置，待機直至下一加工動作為 止。再者，切斷工具44亦同樣’當割斷線加工結束時退 避至玻璃帶14之上方，返回至加工開始位置。又移動機 構50不限定於進給螺桿裝置，既可為由齒條與小齒輪而構 成之進給機構，亦可為藉由傳送帶驅動之進給機構。 搬送輥32~42之直徑為50〜3〇〇 mm，較好的是15〇〜25〇 mm 〇 尤其’自穩定地搬送薄板（0.K7 mm)，穩定地進行切 斷之觀點考慮，搬送輥直徑較好的是1〇〇〜25〇爪爪，更好 141657.doc •10· 201008886 的是120〜180 mm。進而，搬送輥間之間隙（相鄰之搬送輥 之外周與外周之間隔）較好的是75〜260 mm，更好的是 80〜250 mm。進而，支承輥直徑較好的是13〇〜27〇 mm，更 好的是150〜250 mm，支承輥寬度較好的是5〜2〇 mm，更好 的是5〜10 mm。 當藉由切斷工具44而於玻璃帶14上加工出割斷線牝時， 由於使用切削油、煤油等之油，因此支承輥48之材質較好 的是耐油性優良之腈橡膠製。 進而’輥之硬度（依據JIS K 6253(2006年）硬度計型號A) 較好的是50〜60°。若輥之硬度未滿50。，則輥過於柔軟， 因此存在產生如下不良之情形，即，輥無法抵抗切斷工具 44之按壓力，玻璃帶14因切斷工具之按壓力而斷裂。又， 若輥之硬度超過60。’則輥過於堅硬’因此，存在產生因 輥接觸於玻璃帶14之下表面而引起之擦痕之不良。又，該 輥直徑既可為與搬送輕32〜42之直徑相同之尺寸，亦可為 不同之尺寸。 進而’如圖5A、圖5B所示，自於玻璃帶14之下表面防 止由輥邊緣引起之傷痕之觀點考慮，較好的是，預先對經 分割之搬送輥32A、32B(對於所有之分割輥均相同）之相對 向之緣部實施倒角加工a，並且對支承輥48之輥之兩端部 之緣部實施倒角加工b。 作為實施例，於預先於經由緩冷爐之玻璃帶之兩端加工 出割斷線之後，將搬送該玻璃帶的搬送輥加以分割，於各 經分割之搬送輥之間，形成切斷工具之與玻璃帶之下表面 141657.doc -11- 201008886 抵接之支承輥的移動路徑，一面藉由移動機構而使支承輥 與切斷工具一體地以相同方向及相同速度沿上述移動路徑 移動，一面於玻璃帶之寬度方向上加工出割斷線。其後， 利用折斷裝置而對玻璃帶施加彎曲力矩，將玻璃帶於寬度 方向上切斷之後，同樣地將玻璃帶兩端部切斷❶於割斷線 加工時，於玻璃帶上表面穩定地加工出割斷線。可穩定地 將玻璃帶切斷，而不會產生割斷線加工時之玻璃之裂痕或 切斷時之切斷形狀不良。 已參照特定之實施態樣，詳細地說明了本發明，但是業 者當瞭解可不脫離本發明之精神與範圍而添加各種變更或 修正。本申請案係基於2〇〇8年7月14日申請之日本專利申 請案（特願2008-183117)者，其内容在此作為參考而併入本 文中。 【圖式簡單說明】 圖1係設置有實施形態之割斷線加工裝置之玻璃板製造 设備的構造圖。 圖2係圖1所示之割斷線加工裝置之平面圖。 圖3係圖2所示之割斷線加工裝置之立體圖。 圖4係切斷工具之移動機構之構造圖。 圖5 A係對輥之緣部實施倒角加工之說明圖。 圖5B係圖5A之A-A箭頭視圖。 圖6A係表示先前之割斷線加工裝置之構成之平面圖。 圖6B係表示先前之割斷線加工裝置之構成之側視圖。 【主要元件符號說明】 I41657.doc • 12· 201008886201008886 VI. Description of the Invention: [Technical Field of the Invention] The present invention relates to a glass ribbon cut by a cut-off line on a ribbon-shaped glass ribbon which is manufactured by a floating method and continuously conveyed from a slow-cooling furnace. Broken wire processing device and glass tape cutting method. [Prior Art] It is known that a glass ribbon is produced by a floating method using a floating groove in a glass plate such as a building panel glass, an automobile panel glass, or a display panel glass. . The method for producing a plate glass by a floating method is a method for supplying molten glass to a surface of a molten tin of a floating tank to form a molten sheet on a molten tin bath, and is a method of the following, that is, A continuous high temperature glass ribbon of a specific width is pulled out from the surface of the molten tin in a molten tin bath, and is slowly cooled by a slow cooling furnace, and then continuously transferred from the slow cooling furnace by a cutting device. The ribbon-shaped glass ribbon is cut into a rectangular glass plate of a specific size. In the above-described cutting device, a cutting line processing device that cuts a cutting line orthogonal to the conveying direction of the glass ribbon on the surface of the glass ribbon, has a conveying glass belt and is disposed orthogonally to the conveying direction of the glass ribbon a plurality of conveying rollers in the direction, and a cutting tool that presses the upper surface of the glass ribbon being conveyed on the conveying roller and moves obliquely with respect to the glass ribbon being conveyed, thereby being in the glass A cut line is processed on the upper surface of the belt (Patent Document 1). CITATION LIST Patent Literature 141657.doc 201008886 Patent Document 1: Japanese Patent Application Laid-Open No. Hei. No. Hei. No. Hei. No. Hei. No. Hei. No. Hei. No. 8-231239. SUMMARY OF THE INVENTION PROBLEMS TO BE SOLVED BY THE INVENTION The prior art cut line processing apparatus is as shown in the plan view of FIG. 6A and (10). As shown in the side view, a plurality of conveying rollers 2 are disposed in a direction orthogonal to the conveying direction of the glass ribbon, and a cutting tool 3 for pressing the upper surface of the glass ribbon 1 during transportation is provided on the conveying rollers 2. The cutting tool 3 is obliquely moved with respect to the glass ribbon 1 being conveyed as indicated by an arrow A, whereby a cut line orthogonal to the conveying direction of the glass ribbon is processed on the upper surface of the glass ribbon 1. 4. However, there is a problem in that when the cutting tool 3 moves in the gap 5 between the respective conveying rollers 2, cracks are generated in the glass of the portion due to the processing pressure of the cutting tool 3. If the processing pressure of the cutting tool 3 is set low, such a defect can be eliminated. However, if the machining pressure is set low, the cutting wire 4 cannot be machined to a specific depth, so it exists in the latter stage. In the bending step, there is a problem that the shape of the cut is poor. Further, if the thickness of the glass ribbon is thick, the glass ribbon itself has rigidity, so that such a defect is less likely to occur. However, the thinner the thickness of the glass ribbon, the more conspicuous such a defect occurs, especially for displays and the like. In the case of a glass having a thickness of ^ 〇 mm, such a defect will occur more frequently. The present invention has been developed in such a situation, and an object of the present invention is to provide a slitting line processing apparatus capable of stably processing a glass ribbon of a cut line on a glass ribbon continuously conveyed by a plurality of conveying rollers and Glass tape cutting method. 14I657.doc 201008886 Technical Solution to Problem In order to achieve the above object, the invention of the slitting line processing apparatus for a glass ribbon of the present invention comprises: a plurality of conveying rollers that convey a glass ribbon and are disposed in a direction in which the glass ribbon is conveyed And a cutting tool for pressing the upper surface of the glass ribbon against the glass ribbon in the conveyance and moving obliquely, thereby cutting a cutting line orthogonal to the conveying direction of the glass ribbon on the upper surface of the glass ribbon; In the slitting line processing apparatus for a glass ribbon, the conveying roller is divided into at least a range in which the cutting tool is obliquely moved, and the cutting tool and the glass are formed between the divided conveying rollers. The movement path of the support roller with the lower surface abutting, the support roller is moved along the movement path in the same direction and at the same speed integrally with the cutting tool by the moving mechanism. In order to achieve the above object, the invention of the method for cutting a broken glass ribbon of the present invention is to transport the glass ribbon by a plurality of conveying rollers disposed in a direction orthogonal to the conveying direction of the glass ribbon. Moved to the upper surface of the glass ribbon during the transfer, and the cutting aid is moved obliquely with respect to the glass ribbon being conveyed', thereby cutting the surface of the glass ribbon perpendicular to the conveying direction of the glass ribbon The wire cutting method of the glass ribbon is characterized in that the transfer roller is divided between the divided conveyance rollers at least in a range in which the transfer tool is obliquely moved to form a separation tool The moving path of the supporting roller abutting on the lower surface of the glass ribbon is processed by the moving mechanism to integrally move the supporting roller and the cutting tool in the same direction and at the same speed along the moving path. . 141657.doc 201008886 Main> In the above-described present invention, a plurality of conveying rollers for conveying a glass ribbon-> are divided into a range in which the cutting tool is moved obliquely, and each of the divided conveyers is 1 = a cutting tool The movement path of the support roller that abuts against the lower surface of the glass ribbon is moved by the moving mechanism to move the support roller and the cutting tool body in the same direction and at the same speed along the moving path. The cut line is processed on the top. Thereby, the backup roll is often located below the cutting tool, so that the cut line can be smoothly processed in the glass belt continuously conveyed by the plurality of transfer rolls. Further, after the cleavage of one cut line is processed, the cutting tool is retracted upward from the upper surface of the glass ribbon and returned to the upper position of the cutting start position. Then, the backup roller is similarly retracted from the lower surface of the glass ribbon after the processing of one cut line, and returns to the position below the cut-and-hold start position. Moreover, the cutting tool and the support roller move in and out toward the glass ribbon just before the start of processing. Further, the support roller is rotatably supported by the bearing portion of the moving mechanism by the frictional resistance of the support (4) moving in the moving path and the glass ribbon Ο : - surface rotation - surface movement. Thereby, the contact resistance between the glass ribbon and the support is small: therefore, the occurrence of scratches caused by the light contact with the lower surface of the glass ribbon can be suppressed. According to the present invention, it is preferred that the above-mentioned money is made of a nitrile rubber. When the cutting wire is cut on the glass ribbon by cutting the hair guard, it is made of nitrile rubber which is excellent in oiliness because it uses oil such as cutting oil or kerosene. According to the present invention, it is preferable that the thickness of the glass ribbon is 141657.doc -6 - 201008886. If the thickness of the glass ribbon is thick, the glass ribbon itself has rigidity. Therefore, cracks caused by the pressing force of the cutting tool are less likely to occur, but in the case of a glass ribbon having a thickness of i mm or less, the above-mentioned crack is likely to occur. Therefore, it is preferable to use the slitting line processing apparatus of the present invention as a slitting line processing apparatus for a glass ribbon having a thickness of less than 丨mm. In particular, it is more preferable to use the slitting line processing apparatus of the present invention as a glass cutting line processing apparatus for a liquid crystal display having a thickness of 〇.3 to 〇 7 mm. Advantageous Effects of Invention According to the slitting line processing apparatus for a glass ribbon and the method for processing a broken glass of a glass ribbon of the present invention, a cut line can be stably processed on a glass ribbon continuously conveyed by a plurality of transfer rollers. Prevent cracks in the glass or cut the shape. [Embodiment] Hereinafter, a preferred embodiment of a dicing line processing apparatus for a glass ribbon and a dicing line processing method for a glass ribbon according to the present invention will be described with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a cross-sectional view showing a glass sheet manufacturing apparatus 12 by a floating method using a slitting line processing apparatus of the glass ribbon of the present invention. In the following description, the downstream side refers to the direction on the same direction as the direction of movement of the glass ribbon 14 of Fig. 1 (the direction of the arrow X in Fig. 1), and the side in the opposite direction is referred to as the upstream side. In the glass sheet manufacturing apparatus 12 shown in Fig. 1, a floating tank 2, a scum tank 22, a slow cooling furnace 24, and a cutting line processing device 10 are disposed from the upstream side toward the downstream side. 141657.doc 201008886 In the floating tank 20, the glass ribbon 14 is formed by continuously supplying molten glass to the bath surface of the molten tin 28. The glass ribbon 14 is lifted from the molten tin 28 by the hoisting rolls 30 of the scum tank 22, and is conveyed into the slow cooling furnace 24 through the scum tank 22 via the slow chilling drum 26, and is gradually cooled. The glass ribbon 14 that has passed through the slow cooling furnace 24 is cut in the width direction of the glass ribbon by the slitting line processing apparatus 10 of the embodiment and a breaking device (not shown). The breaking device is generally a well-known device that applies a bending moment to the glass ribbon 加工 4 on which the dicing line is cut, and breaks the glass ribbon 14 along the severing line. Further, before the cut line is processed in the width direction of the glass ribbon 14, the cut line is processed at both ends of the glass ribbon 14 by a cutting line processing device (not shown) in advance. Preferably, the cutting line processing device with respect to the advancing direction is fixed to the upper side of the conveying roller. After the glass ribbon is cut in the width direction, both ends of the glass ribbon are cut by a breaking device (not shown). As shown in Figs. 2 and 3, the cutting line processing apparatus 1 is composed of a plurality of conveying rollers 32, 34, 36, 38, 40, 42, a cutting tool 44, and a backup roller 48 described below. The conveyance rollers 32 to 42 are conveyed from the glass ribbon 14 carried out from the slow cooling furnace 24 (see Fig. 1), and are disposed in a direction orthogonal to the conveyance direction of the glass ribbon cassette 4. Further, the number of the conveying rollers 32 to 42 is not limited. On the other hand, the cutting tool 44 is pressed against the upper surface ′ of the glass ribbon 14 during transport by the transport rollers 32 to 42 and is moved obliquely with respect to the glass ribbon 14 being conveyed by the moving mechanism described below. Thereby, a cut line 46 orthogonal to the conveyance direction of the glass ribbon 14 is formed on the upper surface of the glass ribbon 14. Further, a cemented carbide wheel or the like is used as the cutting tool 44. Further, when the conveyance speed of the glass ribbon 14 is 141657.doc 201008886 v, the speed of the cutting tool 44 is W', and the movement angle of the cutting tool 44 with respect to the conveyance direction of the glass ribbon 14 is set to e. At this speed, you are w=v/cos0, whereby the cut line 46 is machined in a direction orthogonal to the conveying direction of the glass ribbon 14. Here, the movement trajectory of the cutting tool 44 is referred to as A (see Figs. 2 and 3). A movement path C is formed at a position below the movement trajectory A of the cutting tool 44 for moving the backup roller 48 by the movement trajectory B along the movement trajectory a. Further, in order to form the movement path c, the conveying rollers 32 to 42 are divided into two in the axial direction. In other words, the conveyance roller 32 is divided into the conveyance rollers 32A and 32B' in the same manner, and is divided into the conveyance rollers μα and 34B, the conveyance rollers 36A and 36B, the conveyance rollers 38A and 38B, the conveyance rollers 4A and 4B, and the conveyance roller 42A. , 42B. Thereby, the moving path through which the backup roller 48 passes is formed. Further, the conveying rollers 32 to 42 are disposed at at least the rollers in which the cutting tool 44 is moved obliquely. • The backup roll 48 abuts against the lower surface of the glass ribbon and receives the processing pressure of the cutting tool 44 (relative to the pressing force of the glass ribbon 14) via the glass ribbon 14. The support roller 48 is moved integrally with the cutting tool 44 in the same direction and at the same speed by the moving mechanism 5'' shown in FIG. The moving mechanism 50 of the embodiment is configured by a feed screw device ??? which is composed of a motor 52, a feed screw 54 coupled to an output shaft of the motor 52, and a nut 58. A cylinder 6A constituting the advancing and retracting mechanism is mounted on the upper portion of the nut 58, and a retainer % is provided on the upper portion of the piston 62 of the cylinder 60. The retainer rotatably supports the support roller 48 by the 141657.doc 201008886 shaft 64. . Further, the motor 52 is controlled by a control unit (not shown) so as to be synchronized with the drive unit of the cutting tool 44. Therefore, according to the moving mechanism 5A configured as described above, the motor 52 is driven to move the nut 58, and the backup roller 48 is moved to the standby position, that is, the & position. Also, at this time, the cutting tool 44 is parked at a position above the backup roller 48. Then, when the cutting tool 44 is lowered toward the glass ribbon 14, and the cutting line is started to be processed, the piston 62 is extended in synchronization with the movement, and the supporting roller material is moved to stand. Thereby, the backup roller 48 abuts against the lower surface of the glass ribbon 14, and is pressed by the cutting tool 44 abutting on the upper surface thereof. Thereafter, the backup roller 钧 is moved by the feeding operation of the motor 52 to the position c of the machining end position in the same direction and at the same speed as the cutting tool 44 while being in contact with the lower surface of the glass ribbon 14. . Thereby, as shown in Fig. 2, the cut line 46 is processed on the glass ribbon cassette. Thereafter, when the piston 62 performs the contraction operation and the backup roller 48 moves to the position de retracted from the glass ribbon cassette 4, the backup roller "returns to the original position a by the motor ^, and stands by until the next processing operation. Further, the cutting tool 44 is similarly 'retracted above the glass ribbon 14 when the cutting line processing is completed, and returns to the processing start position. Further, the moving mechanism 50 is not limited to the feeding screw device, and may be a rack and a The feed mechanism constituted by the pinion may also be a feed mechanism driven by a conveyor belt. The diameter of the transport rollers 32 to 42 is 50 to 3 mm, preferably 15 to 25 mm, especially From the viewpoint of stable transfer of the sheet (0.K7 mm) and stable cutting, the diameter of the conveying roller is preferably 1〇〇~25〇 claws, preferably 141657.doc •10· 201008886 is 120~180 Further, the gap between the transfer rolls (the interval between the outer circumference and the outer circumference of the adjacent transfer rolls) is preferably 75 to 260 mm, more preferably 80 to 250 mm. Further, the diameter of the backup roll is preferably 13 〇~27〇mm, more preferably 150~250 mm, the support roll width is better It is 5 to 2 mm, more preferably 5 to 10 mm. When the cut wire is machined on the glass ribbon 14 by the cutting tool 44, the support roller is used because of oil such as cutting oil or kerosene. The material of 48 is preferably made of nitrile rubber which is excellent in oil resistance. Further, the hardness of the roll (according to JIS K 6253 (2006) hardness meter type A) is preferably 50 to 60°. If the hardness of the roll is less than 50 However, the roller is too soft, so there is a case where the roller cannot withstand the pressing force of the cutting tool 44, and the glass ribbon 14 is broken by the pressing force of the cutting tool. Further, if the hardness of the roller exceeds 60. 'The roller is too hard'. Therefore, there is a defect that the scratch is caused by the roller contacting the lower surface of the glass ribbon 14. Moreover, the diameter of the roller can be the same as the diameter of the transport light 32 to 42. Further, as shown in FIG. 5A and FIG. 5B, from the viewpoint of preventing the flaw caused by the edge of the roller from the lower surface of the glass ribbon 14, it is preferable to previously divide the divided conveying rollers 32A, 32B. (for all the split rolls are the same) The chamfering process a is performed, and the edge portion of the both ends of the roller of the backup roll 48 is chamfered b. As an embodiment, after the cut line is processed in advance at both ends of the glass ribbon passing through the slow cooling furnace, The conveying roller that transports the glass ribbon is divided, and a moving path of the supporting roller that abuts the lower surface of the glass ribbon 141657.doc -11-201008886 is formed between the divided conveying rollers. The moving mechanism moves the support roller and the cutting tool integrally along the moving path in the same direction and at the same speed, and cuts the cut line in the width direction of the glass ribbon. Thereafter, a bending moment is applied to the glass ribbon by the breaking device, and after the glass ribbon is cut in the width direction, the both ends of the glass ribbon are cut in the same manner as in the cutting line processing, and the upper surface of the glass ribbon is stably stabilized. Process the cut line. The glass ribbon can be stably cut without causing cracks in the glass at the time of cutting the thread or poor cutting shape at the time of cutting. The present invention has been described in detail with reference to the specific embodiments thereof, and it is understood that various changes or modifications may be made without departing from the spirit and scope of the invention. The present application is based on Japanese Patent Application No. 2008-183117, filed on Jan. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a structural view showing a glass sheet manufacturing apparatus provided with a cutting line processing apparatus of an embodiment. Figure 2 is a plan view of the cut line processing apparatus shown in Figure 1. Figure 3 is a perspective view of the cutting line processing apparatus shown in Figure 2. Fig. 4 is a structural view showing a moving mechanism of the cutting tool. Fig. 5A is an explanatory view of chamfering the edge portion of the roller. Figure 5B is a view of the arrow A-A of Figure 5A. Fig. 6A is a plan view showing the configuration of a prior art cut line processing apparatus. Fig. 6B is a side view showing the configuration of the prior cutting wire processing apparatus. [Main component symbol description] I41657.doc • 12· 201008886
1 玻璃帶 2 搬送輥 3 切斷工具 4 割斷線 5 輥間之間隙 10 割斷線加工裝置 12 玻璃板製造設備 14 玻璃帶 20 浮式槽 22 浮渣箱 24 緩冷爐 26 緩冷輥 28 熔融錫 30 吊輥 32 〜42 搬送輥 32A 〜42A 經分割之搬送輥 32B 〜42B 經分割之搬送輥 44 切斷工具 46 割斷線 48 支承輥 50 移動機構 52 馬達 54 進給螺桿 58 螺母 141657.doc -13- 201008886 60 氣缸 62 活塞 64 軸 66 固持器 A、B 移動軌跡 C 移動路徑 Θ 移動角度1 Glass belt 2 Transfer roller 3 Cutting tool 4 Cut line 5 Clearance between rolls 10 Cut line processing device 12 Glass plate manufacturing equipment 14 Glass belt 20 Floating tank 22 Scum tank 24 Slow cooling furnace 26 Slow cooling roller 28 Molten tin 30 lifting rolls 32 to 42 conveying rollers 32A to 42A divided conveying rollers 32B to 42B divided conveying rollers 44 cutting tool 46 cutting line 48 supporting roller 50 moving mechanism 52 motor 54 feeding screw 58 nut 141657. Doc -13- 201008886 60 Cylinder 62 Piston 64 Axis 66 Retainer A, B Movement path C Movement path Θ Movement angle
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