TWI815006B - Glass plate manufacturing device and glass plate manufacturing method - Google Patents

Glass plate manufacturing device and glass plate manufacturing method Download PDF

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TWI815006B
TWI815006B TW109112560A TW109112560A TWI815006B TW I815006 B TWI815006 B TW I815006B TW 109112560 A TW109112560 A TW 109112560A TW 109112560 A TW109112560 A TW 109112560A TW I815006 B TWI815006 B TW I815006B
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end surface
glass plate
contact
position detection
roller
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TW109112560A
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Chinese (zh)
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TW202039147A (en
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澄
大野和宏
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日商日本電氣硝子股份有限公司
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
    • B24B7/22—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
    • B24B7/24—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain for grinding or polishing glass
    • B24B7/242—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain for grinding or polishing glass for plate glass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
    • B24B49/02—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
    • B24B7/22—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
    • B24B7/24—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain for grinding or polishing glass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/002—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor for travelling workpieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
    • B24B9/08—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
    • B24B9/10—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of plate glass
    • B24B9/102—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of plate glass for travelling sheets
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C19/00—Surface treatment of glass, not in the form of fibres or filaments, by mechanical means

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Surface Treatment Of Glass (AREA)
  • Gas-Filled Discharge Tubes (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Electronic Switches (AREA)

Abstract

一種玻璃板的製造裝置1，包括檢測玻璃板G的位置的位置檢測裝置2。位置檢測裝置2包括：接觸件21，能夠以與玻璃板G的前頭邊Ga的端面Ga1及側方邊Gb的端面Gb1接觸的方式移動；以及伺服馬達24，對接觸件21向端面Ga1側及端面Gb1側施力，並且檢測接觸件21的位置。A glass plate manufacturing device 1 includes a position detection device 2 that detects the position of the glass plate G. The position detection device 2 includes: a contact 21 that can move in contact with the end surface Ga1 of the front edge Ga and the end surface Gb1 of the side edge Gb of the glass plate G; and a servo motor 24 that moves the contact 21 toward the end surface Ga1 side and A force is applied to the end surface Gb1 side, and the position of the contact piece 21 is detected.

Description

玻璃板的製造裝置以及玻璃板的製造方法Glass plate manufacturing device and glass plate manufacturing method

本發明是有關於一種玻璃板的製造裝置以及玻璃板的製造方法。The present invention relates to a glass plate manufacturing device and a glass plate manufacturing method.

近年來，為了滿足對液晶顯示器等的生產效率的改善要求，對用於所述顯示器等的玻璃基板的製造效率的改善要求正提高。此處，於玻璃基板的製造中，自大型的玻璃原板（成形原板）切出一片或多片玻璃基板。藉此，可獲取所期望尺寸的玻璃基板。In recent years, in order to meet the demand for improvement in the production efficiency of liquid crystal displays and the like, there has been an increase in demand for improvement in the manufacturing efficiency of glass substrates used in the displays and the like. Here, in the production of the glass substrate, one or more glass substrates are cut out from a large glass original plate (forming original plate). Thereby, a glass substrate of a desired size can be obtained.

另一方面，自玻璃原板切出的玻璃基板的端面通常為切斷面或折斷面，因此多存在微小的劃痕（缺陷）。若玻璃基板的端面存在劃痕，則會自該劃痕產生破裂等。因此，為了防止此種不良狀況，例如對玻璃基板的端面實施磨削加工（粗加工）或研磨加工（精加工）。On the other hand, the end surface of a glass substrate cut out from the original glass plate is usually a cut surface or a broken surface, and therefore often has minute scratches (defects). If there are scratches on the end surface of the glass substrate, cracks or the like may occur due to the scratches. Therefore, in order to prevent such a defect, for example, the end surface of the glass substrate is subjected to grinding processing (rough processing) or polishing processing (finishing processing).

作為於此種端面加工中使用的玻璃板的端面加工裝置，例如於專利文獻1中揭示了利用磨石對玻璃板的角部（角落部）進行磨削的裝置。As an end-face processing device of a glass plate used for such end-face processing, Patent Document 1, for example, discloses a device that grinds the corner portion (corner portion) of a glass plate using a grindstone.

於所述文獻中，藉由檢測裝置檢測位於前頭側的玻璃板的前頭邊（角落部或其附近）的端面的位置，基於該端面的位置進行磨石的定位。檢測裝置包括：臂，以於水平方向上所配置的軸為中心擺動自如；以及距離感測器，測定至臂為止的距離。隨著玻璃板的搬送，當玻璃板的前頭邊的端面與臂接觸時，臂於與玻璃板的主表面垂直的平面內擺動，由距離感測器測定的至臂為止的距離發生變化。因此，檢測部件基於該距離的變化來檢測玻璃板的前頭邊的端面的位置。 [現有技術文獻] [專利文獻]In the above-mentioned document, a detection device detects the position of the end surface of the front edge (the corner or the vicinity thereof) of the glass plate located on the front side, and the grindstone is positioned based on the position of the end surface. The detection device includes an arm that can swing freely around an axis arranged in the horizontal direction, and a distance sensor that measures the distance to the arm. As the glass plate is conveyed, when the front end surface of the glass plate comes into contact with the arm, the arm swings in a plane perpendicular to the main surface of the glass plate, and the distance to the arm measured by the distance sensor changes. Therefore, the detection means detects the position of the end surface of the front edge of the glass plate based on the change in the distance. [Prior art documents] [Patent Document]

專利文獻1：國際公開第2012/105306號Patent Document 1: International Publication No. 2012/105306

[發明所欲解決之課題] 於專利文獻1的檢測裝置中，可檢測玻璃板的前頭邊的端面的位置，但無法直接檢測位於側方側的側方邊的端面的位置。即，不考慮玻璃板的側方邊的端面的位置，僅基於玻璃板的前頭邊的端面的位置進行磨石的定位，因此於側方邊的端面的位置偏移的情況等下，有可能產生由磨石引起的加工不良。因此，自防止由磨石引起的加工不良的觀點而言，期望不僅檢測玻璃板的前頭邊的端面的位置，亦檢測側方邊的端面的位置。[Problem to be solved by the invention] In the detection device of Patent Document 1, the position of the end surface of the front edge of the glass plate can be detected, but the position of the end surface of the side edge located on the side cannot be directly detected. That is, the grindstone is positioned based only on the position of the end surface of the front edge of the glass plate, regardless of the position of the end surface of the side edge of the glass plate. Therefore, if the position of the end surface of the side edge is shifted, etc., it may Processing defects caused by grinding stones occur. Therefore, from the viewpoint of preventing processing defects caused by grindstones, it is desirable to detect the position of not only the end surface of the front edge of the glass plate but also the end surfaces of the side edges.

本發明的課題在於檢測玻璃板的前頭邊的端面及側方邊的端面各自的位置。 [解決課題之手段]An object of the present invention is to detect the respective positions of the end surfaces of the front side and the side sides of the glass plate. [Means to solve the problem]

為了解決所述課題而創作的本發明是一種玻璃板的製造裝置，包括檢測玻璃板的端面的位置的位置檢測裝置，所述玻璃板的製造裝置中，位置檢測裝置包括：接觸件，能夠以與玻璃板的第一邊的端面及與第一邊交叉的第二邊的端面分別接觸的方式移動；施力部，對接觸件向第一邊的端面側及第二邊的端面側施力；以及檢測部，檢測接觸件的位置。The present invention created in order to solve the above problems is a glass plate manufacturing device, including a position detection device that detects the position of an end surface of the glass plate. In the glass plate manufacturing device, the position detection device includes a contact that can Move in such a manner that the end surface of the first side of the glass plate and the end surface of the second side crossing the first side are in contact with each other; the force applying part applies force to the end surface side of the first side and the end surface side of the second side of the contact piece ; and a detection part to detect the position of the contact piece.

若如此，則接觸件被施力部施力同時移動，於該移動過程中與玻璃板的第一邊（例如前頭邊）的端面及第二邊（例如側方邊）的端面分別接觸。而且，藉由檢測部檢測與第一邊的端面接觸時的接觸件的位置及與第二邊的端面接觸時的接觸件的位置，藉此可以檢測第一邊的端面及第二邊的端面各自的位置。If so, the contact piece is forced by the force applying part and moves simultaneously, and in the process of movement, it contacts the end surface of the first side (for example, the front side) and the end surface of the second side (for example, the side side) of the glass plate respectively. Furthermore, the detection part detects the position of the contact when it is in contact with the end surface of the first side and the position of the contact when it is in contact with the end surface of the second side, thereby detecting the end surface of the first side and the end surface of the second side. respective positions.

於所述構成中，較佳為接觸件以經由玻璃板的第一邊與第二邊交叉的角部而自第一邊的端面移載至第二邊的端面的方式構成。In the above structure, it is preferable that the contact is moved from the end surface of the first side to the end surface of the second side via the corner where the first side and the second side of the glass plate intersect.

若如此，則於檢測出第一邊的端面的位置之後，可以順利地開始第二邊的端面的位置檢測。If so, after detecting the position of the end surface of the first side, the position detection of the end surface of the second side can be started smoothly.

於所述構成中，較佳為接觸件能夠於沿著玻璃板的主表面的平面內擺動。In the above structure, it is preferable that the contact member can swing in a plane along the main surface of the glass plate.

若如此，則可以以簡單的構成使接觸件確實地與玻璃板的第一邊的端面及第二邊的端面接觸。另外，於接觸件自玻璃板受到反作用力的情況下，可以藉由擺動簡單地釋放其載荷，因此接觸件與玻璃板的端面的接觸狀態穩定，第一邊的端面及第二邊的端面的位置的檢測精度提高。In this case, the contact piece can be reliably brought into contact with the end surface of the first side and the end surface of the second side of the glass plate with a simple structure. In addition, when the contact piece receives a reaction force from the glass plate, its load can be easily released by swinging. Therefore, the contact state between the contact piece and the end surface of the glass plate is stable, and the contact state between the end surface of the first side and the end surface of the second side is stable. The position detection accuracy is improved.

於所述構成中，較佳為施力部及檢測部包含伺服馬達。In the above-mentioned structure, it is preferable that the force application part and the detection part include a servo motor.

若如此，則伺服馬達同時發揮施力部與檢測部此兩個的作用，因此可以簡化檢測裝置的構成。In this case, since the servo motor simultaneously functions as the urging part and the detecting part, the structure of the detecting device can be simplified.

於所述構成中，較佳為接觸件中的與玻璃板接觸的部分為輥。In the above structure, it is preferable that the portion of the contact member that contacts the glass plate is a roller.

若如此，則接觸件為能夠旋轉的輥，因此隨著該旋轉，接觸件中的與玻璃板的端面接觸的部分依序變化，可以抑制接觸件的磨損。另外，隨著玻璃板的端面與接觸件接觸，亦可以減少於玻璃板的端面形成劃痕或產生玻璃粉的情況。In this case, since the contact is a rotatable roller, the portion of the contact that is in contact with the end surface of the glass plate changes sequentially with the rotation, thereby suppressing wear of the contact. In addition, as the end surface of the glass plate comes into contact with the contact piece, the formation of scratches or the generation of glass powder on the end surface of the glass plate can also be reduced.

於所述構成中，較佳為包括磨石，該磨石基於由位置檢測裝置所檢測出的第一邊的端面及第二邊的端面的位置，對第二邊的端面進行加工。In the said structure, it is preferable to include the grindstone which processes the end surface of the second side based on the position of the end surface of the first side and the end surface of the second side detected by the position detection device.

於本發明中，由於檢測交叉的第一邊與第二邊各自的端面的位置，因此於利用磨石對第二邊的端面進行加工的情況下，根據第一邊的端面的位置可知第二邊的加工開始點，根據第二邊的端面的位置可知第二邊的端面的加工量（必要切入量）。因此，若設為所述構成，則於利用磨石對端面進行加工之前，不需要準確地對玻璃板進行定位，因此具有可以省略或簡化玻璃板的定位裝置的優點。In the present invention, since the position of each end surface of the intersecting first side and the second side is detected, when the end surface of the second side is processed using a grindstone, the position of the end surface of the first side can be known from the position of the end surface of the second side. The processing start point of the side, and the processing amount (necessary cutting amount) of the end face of the second side can be known based on the position of the end face of the second side. Therefore, according to the above configuration, it is not necessary to accurately position the glass plate before processing the end surface with the grindstone, so there is an advantage that the positioning device of the glass plate can be omitted or simplified.

為了解決所述課題而創作的本發明是一種玻璃板的製造方法，包括檢測玻璃板的端面的位置的位置檢測步驟，所述玻璃板的製造方法中，位置檢測步驟包括以與玻璃板的第一邊的端面及與第一邊交叉的第二邊的端面分別接觸的方式對接觸件施力同時使其移動的步驟、以及檢測接觸件的位置的步驟。The present invention created to solve the above problems is a method of manufacturing a glass plate, including a position detection step of detecting the position of an end surface of the glass plate. The step of applying force to the contact piece while moving the contact piece in such a manner that the end face of one side and the end face of the second side crossing the first side are in contact with each other, and the step of detecting the position of the contact piece.

若如此，則根據所述對應構成中說明的同樣的理由，可以準確地檢測第一邊的端面及第二邊的端面各自的位置。If so, the respective positions of the end surface of the first side and the end surface of the second side can be accurately detected for the same reason explained in the corresponding structure.

於所述構成中，較佳為接觸件經由第一邊與第二邊交叉的角部而自第一邊的端面移載至第二邊的端面。In the above structure, it is preferable that the contact piece is transferred from the end surface of the first side to the end surface of the second side through the corner where the first side and the second side intersect.

若如此，則於檢測出第一邊的端面的位置之後，可以順利地開始第二邊的端面的位置檢測。 [發明的效果]If so, after detecting the position of the end surface of the first side, the position detection of the end surface of the second side can be started smoothly. [Effects of the invention]

根據本發明，可以檢測玻璃板的前頭邊的端面及側方邊的端面各自的位置。According to the present invention, it is possible to detect the respective positions of the end surfaces of the front edge and the side edges of the glass plate.

以下，基於隨附圖式對本發明的實施形態進行說明。再者，於第二實施形態以後，對與其他實施形態共通的構成標註相同的符號並省略詳細的說明。Hereinafter, embodiments of the present invention will be described based on the accompanying drawings. In addition, in the second embodiment and subsequent embodiments, the same reference numerals are assigned to components common to other embodiments, and detailed descriptions are omitted.

（第一實施形態） 如圖1所示，第一實施形態的玻璃板的製造裝置1包括位置檢測裝置2及端面加工裝置3。(First embodiment) As shown in FIG. 1 , the glass plate manufacturing device 1 of the first embodiment includes a position detection device 2 and an end surface processing device 3 .

於本實施形態中，於將矩形形狀的玻璃板G固定於規定位置的狀態下，位置檢測裝置2及端面加工裝置3能夠藉由輸送裝置（未圖示）向圖中的X方向移動。端面加工裝置3亦能夠向與X方向正交的圖中的Y方向移動。詳細而言，兩個位置檢測裝置2於隔著玻璃板G於Y方向上相向的位置上各配置一個，並且於其X方向上的上游側（圖1的左側），四個端面加工裝置3於隔著玻璃板G於寬度方向（Y方向）上相向的位置上各配置兩個。即，若著眼於玻璃板G的寬度方向的其中一側所配置的位置檢測裝置2及端面加工裝置3，則隨著向X方向的移動，首先一個位置檢測裝置2與玻璃板G接觸，然後兩個端面加工裝置3按照順序與玻璃板G接觸。In this embodiment, while the rectangular glass plate G is fixed at a predetermined position, the position detection device 2 and the end surface processing device 3 can be moved in the X direction in the figure by a conveyor device (not shown). The end surface processing device 3 can also move in the Y direction in the figure which is orthogonal to the X direction. Specifically, two position detection devices 2 are each arranged at positions facing each other in the Y direction across the glass plate G, and four end surface processing devices 3 are provided on the upstream side in the X direction (the left side of FIG. 1 ). Two of them are arranged at positions facing each other in the width direction (Y direction) across the glass plate G. That is, if we focus on the position detection device 2 and the end surface processing device 3 arranged on one side of the width direction of the glass plate G, as it moves in the X direction, first one of the position detection devices 2 comes into contact with the glass plate G, and then The two end surface processing devices 3 come into contact with the glass plate G in sequence.

再者，圖1中的上側與下側的位置檢測裝置2及端面加工裝置3為實質上相同的構成，因此以下以上側的各裝置2、3為例進行說明。In addition, the upper and lower position detection devices 2 and end surface processing devices 3 in FIG. 1 have substantially the same structure, so the following description will be made using the upper devices 2 and 3 as examples.

位置檢測裝置2包括接觸件21，所述接觸件21能夠以與玻璃板G的前頭邊（第一邊）Ga的端面Ga1及側方邊（第二邊）Gb的端面Gb1接觸的方式移動。再者，將位置檢測裝置2及端面加工裝置3進入玻璃板G之側的邊設為前頭邊Ga，將位置檢測裝置2及端面加工裝置3自玻璃板G脫離之側的邊設為後尾邊Gc。另外，將與前頭邊Ga及後尾邊Gc交叉並且於寬度方向上相向的兩邊設為側方邊Gb。The position detection device 2 includes a contact 21 movable so as to come into contact with the end surface Ga1 of the front side (first side) Ga and the end surface Gb1 of the side side (second side) Gb of the glass plate G. Furthermore, let the side on the side where the position detection device 2 and the end surface processing device 3 enter the glass plate G be the front side Ga, and let the side on the side where the position detection device 2 and the end surface processing device 3 separate from the glass plate G be the rear end side. Gc. In addition, let the two sides intersecting the front side Ga and the rear tail side Gc and facing each other in the width direction be lateral sides Gb.

接觸件21包括：輥22，與玻璃板G的前頭邊Ga的端面Ga1及側方邊Gb的端面Gb1接觸；桿構件23，旋轉自如地支持輥22；以及伺服馬達24，使桿構件23產生輥22按壓玻璃板G的端面Ga1、端面Gb1的力。The contact member 21 includes a roller 22 that contacts the end surface Ga1 of the front edge Ga and the end surface Gb1 of the side edge Gb of the glass plate G; a rod member 23 that supports the roller 22 in a rotatable manner; and a servo motor 24 that causes the rod member 23 to generate The roller 22 presses the end surface Ga1 and the end surface Gb1 of the glass plate G with force.

輥22可為包括馬達等的驅動輥，但於本實施形態中為隨著與端面Ga1、端面Gb1的接觸而轉動的自由輥。輥22可為圓筒狀以外的形狀（例如球狀輥），但於本實施形態中為圓筒狀。於輥22為圓筒狀的情況下，可以始終檢測端面Ga1、端面Gb1的最突出部的位置，從而具有位置檢測精度提高的優點。The roller 22 may be a drive roller including a motor or the like, but in this embodiment, it is a free roller that rotates in contact with the end surface Ga1 and the end surface Gb1. The roller 22 may have a shape other than a cylindrical shape (for example, a spherical roller), but is cylindrical in this embodiment. When the roller 22 has a cylindrical shape, the positions of the most protruding portions of the end surfaces Ga1 and Gb1 can always be detected, which has the advantage of improving position detection accuracy.

伺服馬達24具有能夠正反向旋轉的馬達軸24a。桿構件23的一端部支持輥22，桿構件23的另一端部固定於伺服馬達24的馬達軸24a。因此，桿構件23能夠以馬達軸24a為中心於沿著玻璃板G的主表面（於厚度方向上相向的面）的平面內擺動。再者，於桿構件23的擺動軌道上設置有限制桿構件23的擺動範圍（或者輥22的移動範圍）的止擋件25。止擋件25於輥22與玻璃板G接觸的期間，能夠自桿構件23退避。The servo motor 24 has a motor shaft 24a capable of forward and reverse rotation. One end of the rod member 23 supports the roller 22 , and the other end of the rod member 23 is fixed to the motor shaft 24 a of the servo motor 24 . Therefore, the lever member 23 can swing in a plane along the main surface of the glass plate G (surface opposing in the thickness direction) about the motor shaft 24a. Furthermore, a stopper 25 that limits the swing range of the lever member 23 (or the movement range of the roller 22 ) is provided on the swing track of the lever member 23 . The stopper 25 is retractable from the lever member 23 while the roller 22 is in contact with the glass plate G.

伺服馬達24包括控制部26。The servo motor 24 includes a control unit 26 .

控制部26監測檢測出的馬達軸24a的速度或扭矩、位置（圖2A～圖2C的擺動角度α），進行馬達軸24a的速度或扭矩、位置的回饋控制，以使輥22按壓端面Ga1、端面Gb1的力成為一定。即，伺服馬達24作為向將輥22按抵至端面Ga1、端面Gb1的方向施力的施力部發揮功能。另外，控制部26基於馬達軸24a的位置來運算輥22的位置。即，伺服馬達24亦作為檢測輥22的位置的檢測部發揮功能。再者，可以根據輥22與前頭邊Ga的端面Ga1接觸時的輥22的位置來檢測前頭邊Ga的端面Ga1的位置，可以根據輥22與側方邊Gb的端面Gb1接觸時的輥22的位置來檢測側方邊Gb的端面Gb1的位置。The control unit 26 monitors the detected speed, torque, and position of the motor shaft 24a (swing angle α in FIGS. 2A to 2C ), and performs feedback control of the speed, torque, and position of the motor shaft 24a so that the roller 22 presses the end surface Ga1, The force of end face Gb1 becomes constant. That is, the servo motor 24 functions as a biasing part that biases the roller 22 in the direction of pressing the end surface Ga1 and the end surface Gb1. In addition, the control unit 26 calculates the position of the roller 22 based on the position of the motor shaft 24a. That is, the servo motor 24 also functions as a detection unit that detects the position of the roller 22 . Furthermore, the position of the end surface Ga1 of the front side Ga can be detected based on the position of the roller 22 when the roller 22 contacts the end surface Ga1 of the front side Ga, or the position of the roller 22 when the roller 22 contacts the end surface Gb1 of the side side Gb. position to detect the position of the end face Gb1 of the side edge Gb.

端面加工裝置3基於位置檢測裝置2的檢測結果（端面Ga1、端面Gb1的位置），來調整側方邊Gb的端面Gb1的X方向上的加工開始位置、或對該端面Gb1進行加工時的Y方向上的基準位置。The end surface processing device 3 adjusts the processing start position in the X direction of the end surface Gb1 of the side side Gb or the Y when processing the end surface Gb1 based on the detection results of the position detection device 2 (the positions of the end surface Ga1 and the end surface Gb1 ). reference position in the direction.

端面加工裝置3包括：馬達32，旋轉驅動作為加工工具的磨石31；臂構件33，能夠旋轉地支持磨石31；致動器34，產生供磨石31按壓玻璃板G的側方邊Gb的端面Gb1的驅動力（輸出）；以及連桿機構35，將致動器34的驅動力傳遞至臂構件33。The end surface processing device 3 includes: a motor 32 for rotationally driving the grindstone 31 as a processing tool; an arm member 33 for rotatably supporting the grindstone 31; and an actuator 34 for generating a side edge Gb for the grindstone 31 to press the glass plate G. the driving force (output) of the end face Gb1; and the link mechanism 35 that transmits the driving force of the actuator 34 to the arm member 33.

對於馬達32，可使用同步馬達、感應馬達、伺服馬達等，但並不限定於此。As the motor 32, a synchronous motor, an induction motor, a servo motor, etc. can be used, but it is not limited thereto.

臂構件33由支持軸構件36旋轉自如地予以支持，能夠以支持軸構件36為中心擺動。支持軸構件36支持臂構件33的中間部分。臂構件33的一端部支持馬達32，經由該馬達32來支持磨石31。臂構件33的另一端部連結於連桿機構35。再者，雖省略圖示，但於臂構件33的擺動軌道上，設置有對臂構件33的擺動範圍（或者磨石31的移動範圍）進行限制的止擋件。止擋件於磨石31與玻璃板G接觸的期間，能夠自臂構件33退避。The arm member 33 is rotatably supported by the support shaft member 36 and can swing about the support shaft member 36 . The support shaft member 36 supports the middle portion of the arm member 33 . One end of the arm member 33 supports a motor 32, and the grindstone 31 is supported via this motor 32. The other end of the arm member 33 is connected to the link mechanism 35 . Although illustration is omitted, a stopper is provided on the swing track of the arm member 33 to limit the swing range of the arm member 33 (or the movement range of the grindstone 31). The stopper can be retracted from the arm member 33 while the grindstone 31 is in contact with the glass plate G.

於本實施形態中，致動器34包含具有能夠正反向旋轉的旋轉軸34a的伺服馬達。致動器34包括未圖示的控制部，進行回饋控制。In this embodiment, the actuator 34 includes a servo motor having a rotation shaft 34a capable of forward and reverse rotation. The actuator 34 includes a control unit (not shown) and performs feedback control.

連桿機構35分別能夠擺動地包括第一連桿構件35a與第二連桿構件35b。第一連桿構件35a的一端部固定於致動器34的旋轉軸34a，其另一端部經由第一接頭35c而擺動自如地連結於第二連桿構件35b的一端部。即，第一連桿構件35a藉由旋轉軸34a的旋轉，以旋轉軸34a為中心擺動。第二連桿構件35b的另一端部經由第二接頭35d而擺動自如地連結於臂構件33的另一端部。於本實施形態中，第二接頭35d的中心、支持軸構件36的中心及磨石31的旋轉軸31a的中心排列於同一直線上。再者，亦可將致動器34與臂構件33直接連結，省略連桿機構35。The link mechanism 35 includes a first link member 35a and a second link member 35b each so as to be swingable. One end of the first link member 35a is fixed to the rotation shaft 34a of the actuator 34, and the other end is swingably connected to one end of the second link member 35b via the first joint 35c. That is, the first link member 35a swings around the rotation axis 34a due to the rotation of the rotation axis 34a. The other end of the second link member 35b is swingably connected to the other end of the arm member 33 via the second joint 35d. In this embodiment, the center of the second joint 35d, the center of the support shaft member 36, and the center of the rotation axis 31a of the grindstone 31 are aligned on the same straight line. Furthermore, the actuator 34 and the arm member 33 may be directly connected, and the link mechanism 35 may be omitted.

如圖3所示，當致動器34的旋轉軸34a逆時針旋轉時，藉由連桿機構35，臂構件33亦以支持軸構件36為中心逆時針旋轉。伴隨於此，磨石31向按抵至玻璃板G的側方邊Gb的端面Gb1的方向移動，磨石31按壓端面Gb1的力增加。另一方面，當與圖3相反地，致動器34的旋轉軸34a順時針旋轉時，藉由連桿機構35，臂構件33亦以支持軸構件36為中心順時針旋轉。伴隨於此，磨石31向遠離玻璃板G的側方邊Gb的端面Gb1的方向移動，磨石31按壓端面Gb1的力減少。As shown in FIG. 3 , when the rotation shaft 34 a of the actuator 34 rotates counterclockwise, the arm member 33 also rotates counterclockwise around the support shaft member 36 via the link mechanism 35 . Along with this, the grindstone 31 moves in the direction pressed against the end surface Gb1 of the side edge Gb of the glass plate G, and the force of the grindstone 31 pressing the end surface Gb1 increases. On the other hand, contrary to FIG. 3 , when the rotation shaft 34 a of the actuator 34 rotates clockwise, the arm member 33 also rotates clockwise around the support shaft member 36 via the link mechanism 35 . Along with this, the grindstone 31 moves in the direction away from the end surface Gb1 of the side edge Gb of the glass plate G, and the force of the grindstone 31 pressing the end surface Gb1 decreases.

致動器34的控制部藉由回饋控制來監測致動器34的旋轉軸34a的速度、扭矩及位置。根據該速度、扭矩及位置來使致動器34的旋轉軸34a正反向旋轉，藉此來控制磨石31的位置或按壓力。The control part of the actuator 34 monitors the speed, torque and position of the rotation shaft 34a of the actuator 34 through feedback control. The rotation shaft 34a of the actuator 34 is rotated forward and backward based on the speed, torque and position, thereby controlling the position or pressing force of the grindstone 31.

磨石31例如既可為以端面Gb1的倒角為主要目的的磨削用的磨石，亦可為以平整端面Gb1的微小凹凸為主要目的的研磨用的磨石。研磨用的磨石中的磨粒的粒度與磨削用的磨石中的磨粒的粒度相同或較之大。磨削用的磨石中的磨粒的粒度例如可設為#100～#1000，研磨用的磨石中的磨粒的粒度例如可設為#200～#1000。磨石31的直徑例如為100 mm～200 mm。For example, the grindstone 31 may be a grinding grindstone whose main purpose is to chamfer the end surface Gb1, or may be a grinding grindstone whose main purpose is to smooth the minute unevenness of the end surface Gb1. The particle size of the abrasive grains in the grinding stone is the same as or larger than the particle size of the abrasive grains in the grinding stone. The particle size of the abrasive grains in the grinding stone can be, for example, #100 to #1000, and the particle size of the abrasive grains in the grinding stone can be, for example, #200 to #1000. The diameter of the grindstone 31 is, for example, 100 mm to 200 mm.

先對端面Gb1進行加工的下游側（圖1的右側）的端面加工裝置3的磨石31、與追隨其後對端面Gb1進行加工的上游側（圖1的左側）的端面加工裝置3的磨石31可為相同種類，亦可為不同種類。作為不同種類的態樣，例如可列舉將下游側的端面加工裝置3的磨石31設為磨削用的磨石，將上游側的端面加工裝置3的磨石31設為研磨用的磨石的情況。當然，與其中一側的側方邊Gb對應的端面加工裝置3的配置個數並不限定於兩個，可為一個，亦可為三個以上。The grindstone 31 of the end surface processing device 3 on the downstream side (the right side of FIG. 1 ) that processes the end face Gb1 first, and the grinding stone 31 of the end face processing device 3 on the upstream side (the left side of FIG. 1 ) that processes the end face Gb1 subsequently. The stones 31 may be of the same type or of different types. As different types of aspects, for example, the grindstone 31 of the end surface processing device 3 on the downstream side is used as a grinding stone, and the grindstone 31 of the end surface processing device 3 on the upstream side is used as a grinding stone. situation. Of course, the number of end surface processing devices 3 corresponding to one of the side edges Gb is not limited to two, and may be one, or three or more.

接下來，對使用所述構成的位置檢測裝置2及端面加工裝置3的玻璃板的製造方法進行說明。Next, a method of manufacturing a glass plate using the position detection device 2 and the end surface processing device 3 configured as described above will be described.

本實施形態的製造方法包括：準備步驟，準備玻璃板G；位置檢測步驟，檢測玻璃板G的前頭邊Ga及側方邊Gb的端面Ga1、端面Gb1的位置；以及端面加工步驟，對玻璃板G的側方邊Gb的端面Gb1進行加工。再者，亦可於端面加工步驟後進行玻璃板G的清洗、檢查、捆包等步驟。The manufacturing method of this embodiment includes: a preparation step of preparing the glass plate G; a position detection step of detecting the positions of the end faces Ga1 and Gb1 of the front edge Ga and the side edge Gb of the glass plate G; and an end face processing step of processing the glass plate. The end surface Gb1 of the side edge Gb of G is processed. Furthermore, steps such as cleaning, inspection, and packaging of the glass plate G may also be performed after the end-face processing step.

於準備步驟中，藉由吸附等任意方法將玻璃板G固定於規定位置上所配置的載置台（例如平台）上。此時，位置檢測裝置2及端面加工裝置3於較玻璃板G的前頭邊Ga更靠上游側（圖1的左側）待機。In the preparation step, the glass plate G is fixed on a mounting base (for example, a platform) arranged at a predetermined position by any method such as adsorption. At this time, the position detection device 2 and the end surface processing device 3 are waiting on the upstream side (the left side in FIG. 1 ) of the front edge Ga of the glass plate G.

玻璃板G是藉由於藉由公知的成形方法而獲得成形原板後，將該成形原板切出為規定尺寸來獲得。作為成形方法，例如可以利用溢流下拉（over-flow down draw）法、流孔下拉（slot down draw）法、再拉（redraw）法等下拉法或者浮式法。其中，溢流下拉法可以使兩側的表面成為火焰拋光面而實現高的表面品質，因而較佳。玻璃板G例如利用於液晶顯示器等平板顯示器用的玻璃基板。The glass plate G is obtained by obtaining a molded original plate by a known molding method and then cutting the molded original plate into a predetermined size. As a forming method, for example, a down-draw method such as an over-flow down draw method, a slot down draw method, a redraw method, or a float method can be used. Among them, the overflow down-draw method is preferable because it can make the surfaces on both sides become flame polished surfaces and achieve high surface quality. The glass plate G is used, for example, as a glass substrate for flat panel displays such as liquid crystal displays.

玻璃板G具有矩形的板形狀。玻璃板G的厚度尺寸例如較佳為0.05 mm～10 mm，更佳為0.2 mm～0.7 mm。當然，能夠適用本發明的玻璃板G並不限定於所述形態。例如對於具有矩形以外的形狀（例如多邊形）的玻璃板、或厚度尺寸為0.05 mm～10 mm以外的尺寸的玻璃板，亦可適用本發明。The glass plate G has a rectangular plate shape. The thickness dimension of the glass plate G is, for example, preferably 0.05 mm to 10 mm, more preferably 0.2 mm to 0.7 mm. Of course, the glass plate G to which the present invention can be applied is not limited to the above-described form. For example, the present invention can be applied to a glass plate having a shape other than a rectangle (for example, a polygon) or a glass plate having a thickness other than 0.05 mm to 10 mm.

位置檢測步驟包括：移動步驟，以與玻璃板G的前頭邊Ga的端面Ga1及側方邊Gb的端面Gb1接觸的方式對接觸件21施力同時使其移動；以及檢測步驟，檢測接觸件21的位置。The position detection step includes: a moving step of applying force to the contact piece 21 while moving it in contact with the end surface Ga1 of the front edge Ga and the end face Gb1 of the side edge Gb of the glass plate G; and a detection step of detecting the contact piece 21 s position.

如圖2A～圖2C所示，於移動步驟中，使位置檢測裝置2向X方向移動。於該過程中，首先，如圖2A所示，輥22與玻璃板G的前頭邊Ga的端面Ga1接觸。當位置檢測裝置2自該狀態進一步向X方向移動時，如圖2B及圖2C所示，隨著桿構件23的擺動，同時輥22於玻璃板G的前頭邊Ga的端面Ga1向角部Gd移動之後，經由角部Gd而移載至玻璃板G的側方邊Gb的端面Gb1，側方邊Gb的端面Gb1向後尾側移動。於此期間，伺服馬達24的馬達軸24a逆時針旋轉，向將輥22按抵至玻璃板G的各個端面Ga1、端面Gb1的方向施力。若如此，則輥22確實地與玻璃板G的前頭邊Ga的端面Ga1及側方邊Gb的端面Gb1持續接觸。As shown in FIGS. 2A to 2C , in the moving step, the position detection device 2 is moved in the X direction. In this process, first, as shown in FIG. 2A , the roller 22 comes into contact with the end surface Ga1 of the front edge Ga of the glass plate G. When the position detection device 2 further moves in the X direction from this state, as shown in FIGS. 2B and 2C , as the rod member 23 swings, the end surface Ga1 of the front edge Ga of the glass plate G moves toward the corner Gd of the roller 22 at the same time. After the movement, it is transferred to the end surface Gb1 of the side side Gb of the glass plate G via the corner part Gd, and the end surface Gb1 of the side side Gb moves to the rearward side. During this period, the motor shaft 24a of the servo motor 24 rotates counterclockwise, and biases the roller 22 in the direction of pressing the end surface Ga1 and the end surface Gb1 of the glass plate G. If so, the roller 22 will surely continue to contact the end surface Ga1 of the front side Ga and the end surface Gb1 of the side side Gb of the glass plate G.

於檢測步驟中，檢測以所述態樣移動的輥22的位置。輥22的位置是基於伺服馬達24的馬達軸24a的擺動角度α，即桿構件23的擺動角度來運算。然後，根據輥22與玻璃板G的前頭邊Ga的端面Ga1接觸時的輥22的位置來檢測端面Ga1的位置，根據輥與玻璃板G的側方邊Gb的端面Gb1接觸時的輥22的位置來檢測端面Gb1的位置。再者，於本實施形態中，輥22亦與玻璃板G的角部Gd接觸，因此，亦可根據此時的輥22的位置來檢測角部Gd的位置。或者，亦可根據檢測出的端面Ga1、端面Gb1的位置來計算角部Gd的位置。另外，於使輥22遍及側方邊Gb的全長而與端面Gb1接觸的情況下，亦可根據輥22與角部Ge接觸時的輥22的位置來檢測角部Ge的位置。In the detection step, the position of the roller 22 moved in the above manner is detected. The position of the roller 22 is calculated based on the swing angle α of the motor shaft 24a of the servo motor 24, that is, the swing angle of the lever member 23. Then, the position of the end surface Ga1 is detected based on the position of the roller 22 when the roller 22 comes into contact with the end surface Ga1 of the front side Ga of the glass plate G. position to detect the position of end face Gb1. Furthermore, in this embodiment, the roller 22 is also in contact with the corner Gd of the glass plate G. Therefore, the position of the corner Gd can also be detected based on the position of the roller 22 at this time. Alternatively, the position of the corner portion Gd may be calculated based on the detected positions of the end surface Ga1 and the end surface Gb1. In addition, when the roller 22 is brought into contact with the end surface Gb1 over the entire length of the side side Gb, the position of the corner Ge can also be detected based on the position of the roller 22 when the roller 22 contacts the corner Ge.

如圖1及圖3所示，於端面加工步驟中，以追隨於位置檢測裝置2的方式，使端面加工裝置3向X方向移動。端面加工裝置3基於由位置檢測裝置2檢測出的前頭邊Ga的端面Ga1的位置及/或角部Gd的位置，來決定端面加工裝置3對端面Gb1的加工開始位置。同樣地，基於由位置檢測裝置2檢測出的側方邊Gb的端面Gb1的位置，來決定對端面Gb1進行加工時的端面加工裝置3於Y方向上的基準位置。即，藉由調整端面加工裝置3於Y方向上的基準位置，來修正端面Gb1的位置偏移。因此，於利用磨石31對端面Gb1進行加工之前，不需要準確地對玻璃板G進行定位，因此具有可以省略或簡化玻璃板G的定位裝置（定位步驟）的優點。As shown in FIGS. 1 and 3 , in the end surface processing step, the end surface processing device 3 is moved in the X direction to follow the position detection device 2 . The end surface processing device 3 determines the processing start position of the end surface Gb1 by the end surface processing device 3 based on the position of the end surface Ga1 of the front edge Ga and/or the position of the corner Gd detected by the position detection device 2 . Similarly, the reference position of the end surface processing device 3 in the Y direction when processing the end surface Gb1 is determined based on the position of the end surface Gb1 of the side edge Gb detected by the position detection device 2 . That is, by adjusting the reference position of the end surface processing device 3 in the Y direction, the positional deviation of the end surface Gb1 is corrected. Therefore, there is no need to accurately position the glass plate G before processing the end surface Gb1 with the grindstone 31 , so there is an advantage that the positioning device (positioning step) of the glass plate G can be omitted or simplified.

於端面加工步驟中，首先，藉由端面加工裝置3整體的Y方向移動，將旋轉狀態的磨石31配置於規定的基準位置。於此狀態下，使端面加工裝置3向X方向移動，使磨石31接觸玻璃板G的側方邊Gb的端面Gb1。於此加工開始時（角部Gd附近的加工時），因伴隨磨石31與玻璃板G的側方邊Gb的端面Gb1的接觸的衝擊，磨石31欲離開玻璃板G。為了應對此情況，控制部進行致動器34的旋轉軸34a的速度及扭矩的回饋控制（例如比例積分微分（Proportional Integral Differential，PID）控制）。具體而言，控制部基於致動器34的旋轉軸34a的速度，來檢測與磨石31一同移動的臂構件33的動向。根據該檢測結果，控制部控制致動器34的旋轉軸34a的速度及扭矩，以抑制臂構件33的移動。藉此，調整磨石31的按壓力，以使得磨石31不會離開玻璃板G的側方邊Gb的端面Gb1。因此，可以防止加工開始時的磨石31的彈跳（bound）。In the end surface processing step, first, the grindstone 31 in a rotating state is arranged at a predetermined reference position by moving the entire end surface processing device 3 in the Y direction. In this state, the end surface processing device 3 is moved in the X direction, and the grindstone 31 is brought into contact with the end surface Gb1 of the side edge Gb of the glass plate G. At the start of this processing (during processing near the corner Gd), the grindstone 31 tries to separate from the glass plate G due to the impact caused by the contact of the grindstone 31 with the end surface Gb1 of the side edge Gb of the glass plate G. In order to cope with this situation, the control unit performs feedback control (for example, Proportional Integral Differential (PID) control) of the speed and torque of the rotation shaft 34 a of the actuator 34 . Specifically, the control unit detects the movement of the arm member 33 that moves together with the grindstone 31 based on the speed of the rotation shaft 34a of the actuator 34. Based on the detection result, the control unit controls the speed and torque of the rotation shaft 34 a of the actuator 34 to suppress the movement of the arm member 33 . Thereby, the pressing force of the grindstone 31 is adjusted so that the grindstone 31 does not leave the end surface Gb1 of the side edge Gb of the glass plate G. Therefore, it is possible to prevent the grindstone 31 from bouncing (bound) at the start of processing.

另外，於玻璃板G的側方邊Gb的端面Gb1的中間部分（角部Gd與角部Ge之間的部分）的加工中，亦進行致動器34的旋轉軸34a的速度及扭矩的回饋控制。此時，變更速度控制與扭矩控制的比率，提高扭矩控制的比率。該比率的變更可以藉由變更增益的設定來實施。藉此，可以於搬送方向上將玻璃板G的側方邊Gb的端面Gb1的加工量維持為一定。In addition, during the processing of the middle portion of the end surface Gb1 of the side edge Gb of the glass plate G (the portion between the corner portion Gd and the corner portion Ge), feedback of the speed and torque of the rotation shaft 34a of the actuator 34 is also performed. control. At this time, the ratio of speed control and torque control is changed to increase the ratio of torque control. This ratio can be changed by changing the gain setting. Thereby, the processing amount of the end surface Gb1 of the side edge Gb of the glass plate G can be maintained constant in the conveyance direction.

當所述端面加工結束時，磨石31與玻璃板G的側方邊Gb的端面Gb1的接觸解除，因此致動器34的旋轉軸34a的扭矩急遽減少。因此，加工結束時（角部Ge附近的加工時），致動器34的控制部進行旋轉軸34a的速度及扭矩的回饋控制，以使磨石31的位置為一定。再者，藉由致動器34的控制部來進行的所述控制方法為一例，並不限定於此。When the end surface processing is completed, the contact between the grindstone 31 and the end surface Gb1 of the side edge Gb of the glass plate G is released, so the torque of the rotation shaft 34a of the actuator 34 is suddenly reduced. Therefore, when processing is completed (during processing near the corner portion Ge), the control unit of the actuator 34 performs feedback control of the speed and torque of the rotating shaft 34 a so that the position of the grindstone 31 becomes constant. In addition, the control method performed by the control part of the actuator 34 is an example and is not limited to this.

如圖3所示，於端面加工步驟中，存在下述情況，即：致動器34的旋轉軸34a逆時針旋轉，使磨石31向按抵至玻璃板G的側方邊Gb的端面Gb1的方向移動的情況；以及雖省略圖示，但致動器34的旋轉軸34a順時針旋轉，使磨石31向遠離玻璃板G的側方邊Gb的端面Gb1的方向移動的情況。As shown in FIG. 3 , in the end surface processing step, there may be a case where the rotation shaft 34 a of the actuator 34 rotates counterclockwise, causing the grindstone 31 to press against the end surface Gb1 of the side edge Gb of the glass plate G. and, although not shown in the figure, the rotation shaft 34a of the actuator 34 rotates clockwise to move the grindstone 31 in a direction away from the end surface Gb1 of the side edge Gb of the glass plate G.

（第二實施形態） 如圖4所示，第二實施形態的玻璃板的製造裝置1與第一實施形態的玻璃板的製造裝置1的不同之處在於，對位置檢測裝置2的接觸件21施力的施力部及檢測接觸件21的位置的檢測部的構成。(Second embodiment) As shown in FIG. 4 , the difference between the glass plate manufacturing device 1 of the second embodiment and the glass plate manufacturing device 1 of the first embodiment lies in the biasing portion that biases the contact 21 of the position detection device 2 . and the structure of the detection part that detects the position of the contact 21.

於第二實施形態中，施力部包括拉伸彈簧41，該拉伸彈簧41向將輥22按抵至前頭邊Ga的端面Ga1及側方邊Gb的端面Gb1的方向引入桿構件23。拉伸彈簧41的一端部安裝於桿構件23上所固定的支承部42，其另一端部安裝於位置檢測裝置2的底座部43等。再者，桿構件23的一端部支持輥22，桿構件23的另一端部由支持軸構件44旋轉自如地支持。In the second embodiment, the urging portion includes a tension spring 41 that introduces the rod member 23 in a direction that presses the roller 22 against the end surface Ga1 of the front side Ga and the end surface Gb1 of the side side Gb. One end of the tension spring 41 is attached to the support portion 42 fixed to the rod member 23 , and the other end is attached to the base portion 43 of the position detection device 2 or the like. Furthermore, one end portion of the lever member 23 supports the roller 22 , and the other end portion of the lever member 23 is rotatably supported by the support shaft member 44 .

再者，雖省略圖示，但施力部亦可為向將輥22按抵至前頭邊Ga的端面Ga1及側方邊Gb的端面Gb1的方向按入桿構件23的壓縮彈簧。Furthermore, although illustration is omitted, the biasing portion may be a compression spring that presses the rod member 23 in a direction that presses the roller 22 against the end surface Ga1 of the front side Ga and the end surface Gb1 of the side side Gb.

檢測部只要為可以檢測輥22的位置的構成則並無特別限定，但於本實施形態中，包括距離感測器45來代替伺服馬達24。距離感測器45是能夠測定至固定於桿構件23的反射構件46為止的距離的光學式感測器。再者，距離感測器45的構成並無特別限定，可以利用公知的感測器。檢測部例如基於由距離感測器45測定的距離來計算支持軸構件44的擺動角度，並根據該擺動角度來檢測輥22的位置。The detection unit is not particularly limited as long as it can detect the position of the roller 22 . However, in this embodiment, a distance sensor 45 is included in place of the servo motor 24 . The distance sensor 45 is an optical sensor capable of measuring the distance to the reflective member 46 fixed to the rod member 23 . Furthermore, the structure of the distance sensor 45 is not particularly limited, and a known sensor can be used. The detection unit calculates the swing angle of the support shaft member 44 based on, for example, the distance measured by the distance sensor 45, and detects the position of the roller 22 based on the swing angle.

（第三實施形態） 如圖5所示，第三實施形態的玻璃板的製造裝置1與第二實施形態的玻璃板的製造裝置1的不同之處在於，對位置檢測裝置2的接觸件21施力的施力部的構成。(Third embodiment) As shown in FIG. 5 , the difference between the glass plate manufacturing device 1 of the third embodiment and the glass plate manufacturing device 1 of the second embodiment lies in the biasing portion that biases the contact 21 of the position detection device 2 . composition.

於第三實施形態中，施力部包括氣缸51，所述氣缸51向將輥22按抵至前頭邊Ga的端面Ga1及側方邊Gb的端面Gb1的方向引入桿構件23。In the third embodiment, the urging portion includes an air cylinder 51 that introduces the rod member 23 in a direction that presses the roller 22 against the end surface Ga1 of the front side Ga and the end surface Gb1 of the side side Gb.

氣缸51例如可以採用空氣式氣缸、液壓式氣缸、電動氣缸（包含線性伺服馬達）等。The cylinder 51 may be, for example, an air cylinder, a hydraulic cylinder, an electric cylinder (including a linear servo motor), or the like.

雖省略圖示，但施力部亦可為向將輥22按抵至前頭邊Ga的端面Ga1及側方邊Gb的端面Gb1的方向按入桿構件23的氣缸。Although illustration is omitted, the urging part may be a cylinder that presses the rod member 23 in a direction that presses the roller 22 against the end surface Ga1 of the front side Ga and the end surface Gb1 of the side side Gb.

再者，檢測位置檢測裝置2的接觸件21的位置的檢測部只要為可以檢測輥22的位置的構成則並無特別限定，但與第二實施形態同樣地，例如包括距離感測器45，所述距離感測器45測定至固定於氣缸51的前端側的反射構件46為止的距離。Furthermore, the detection unit that detects the position of the contact 21 of the position detection device 2 is not particularly limited as long as it can detect the position of the roller 22. However, like the second embodiment, it may include, for example, the distance sensor 45. The distance sensor 45 measures the distance to the reflective member 46 fixed to the front end side of the cylinder 51 .

（第四實施形態） 如圖6所示，第四實施形態的玻璃板的製造裝置1與第一實施形態～第三實施形態的玻璃板的製造裝置1的不同之處在於位置檢測裝置2的接觸件21的構成。(Fourth embodiment) As shown in FIG. 6 , the glass plate manufacturing apparatus 1 of the fourth embodiment differs from the glass plate manufacturing apparatus 1 of the first to third embodiments in the structure of the contact 21 of the position detection device 2 .

於第一實施形態～第三實施形態中，對接觸件21包括使輥22沿著圓弧狀的軌道擺動的擺動機構（桿構件23）的情況進行了說明，但於第四實施形態中，接觸件21包括藉由直線狀的軌道使輥22往返移動的直動機構，以使輥22與玻璃板G的前頭邊Ga的端面Ga1及側方邊Gb的端面Gb1接觸。In the first to third embodiments, the case where the contact 21 includes the swing mechanism (lever member 23) that swings the roller 22 along the arc-shaped track has been described. However, in the fourth embodiment, The contact piece 21 includes a linear motion mechanism that reciprocates the roller 22 on a linear track so that the roller 22 comes into contact with the end surface Ga1 of the front edge Ga and the end surface Gb1 of the side edge Gb of the glass plate G.

於本實施形態中，直動動機構為於前端的棒部61a支持輥22的氣缸61。氣缸61能夠沿著相對於玻璃板G的前頭邊Ga及側方邊Gb兩者傾斜（例如傾斜45°）的直線狀的軌道伸縮。In this embodiment, the linear motion mechanism is the air cylinder 61 that supports the roller 22 at the rod portion 61a at the front end. The air cylinder 61 is expandable and retractable along a linear track that is inclined (for example, inclined at 45°) with respect to both the front side Ga and the side side Gb of the glass plate G.

氣缸61作為向將輥22按抵至前頭邊Ga的端面Ga1側及側方邊Gb的端面Gb1側的方向對輥22施力的施力部發揮功能。氣缸61的設定衝程作為限制輥22的移動範圍的止擋件發揮功能。The air cylinder 61 functions as a biasing portion that biases the roller 22 in a direction to press the roller 22 to the end surface Ga1 side of the front side Ga and the end surface Gb1 side of the side side Gb. The set stroke of the air cylinder 61 functions as a stopper that limits the movement range of the roller 22 .

氣缸61例如可以採用空氣式氣缸、液壓式氣缸、電動氣缸（包含線性伺服馬達）等。The cylinder 61 may be, for example, an air cylinder, a hydraulic cylinder, an electric cylinder (including a linear servo motor), or the like.

檢測位置檢測裝置2的接觸件21的位置的檢測部只要為可以檢測輥22的位置的構成則並無特別限定，但與第二實施形態同樣地，例如包括測定至反射構件46為止的距離的距離感測器45。於此情況下，反射構件46例如固定於氣缸61的棒部61a。The detection unit that detects the position of the contact 21 of the position detection device 2 is not particularly limited as long as it can detect the position of the roller 22 . However, like the second embodiment, it may include, for example, a unit that measures the distance to the reflection member 46 . Distance sensor 45. In this case, the reflection member 46 is fixed to the rod part 61a of the cylinder 61, for example.

以上，對本發明的實施形態進行了說明，但當然本發明的玻璃板的製造裝置及製造方法不限定於此形態，能夠於本發明的範圍內採用各種形態。The embodiments of the present invention have been described above. However, it goes without saying that the manufacturing apparatus and the manufacturing method of the glass plate of the present invention are not limited to this embodiment, and various embodiments can be adopted within the scope of the present invention.

於所述實施形態中，對玻璃板G被固定，位置檢測裝置2及端面加工裝置3移動的情況進行了說明，但亦可藉由搬送裝置來移動玻璃板G，位置檢測裝置2及端面加工裝置3被固定。即，只要兩者之間存在相對移動即可。於藉由搬送裝置使玻璃板G移動的情況下，例如既可利用帶等吸附玻璃板G的背側的主表面同時進行搬送，亦可利用於厚度方向上相向的帶等夾著玻璃板G的表背兩側的主表面而予以搬送。In the embodiment, the glass plate G is fixed and the position detection device 2 and the end surface processing device 3 are moved. However, the glass plate G, the position detection device 2 and the end surface processing device 3 may also be moved by a conveying device. Device 3 is fixed. That is, as long as there is relative movement between the two. When the glass plate G is moved by a conveyance device, for example, a belt or the like may be used to adsorb the main surface on the back side of the glass plate G while conveying it, or the glass plate G may be sandwiched between belts or the like facing each other in the thickness direction. The main surfaces on both sides of the watch and back are transported.

於所述實施形態中，對於玻璃板G的寬度方向的兩側配置合計兩個位置檢測裝置2的情況進行了說明，但亦可僅於玻璃板G的寬度方向的其中一側配置位置檢測裝置2。於此情況下，例如，基於由配置於其中一側的位置檢測裝置2檢測出的端面Ga1及其中一個端面Gb1的位置，來調整配置於玻璃板G的寬度方向的兩側的端面加工裝置3的加工條件。In the above embodiment, the case where a total of two position detection devices 2 are arranged on both sides of the width direction of the glass plate G has been described. However, the position detection devices may be arranged on only one side of the width direction of the glass plate G. 2. In this case, for example, the end surface processing devices 3 disposed on both sides of the width direction of the glass plate G are adjusted based on the position of the end surface Ga1 and one of the end surfaces Gb1 detected by the position detection device 2 disposed on one side. processing conditions.

於所述實施形態中，可於位置檢測裝置2的輥22遍及側方邊Gb的全長而於端面Gb1移動的情況下，即，於位置檢測裝置2遍及玻璃板G的側方邊Gb的全長而檢測端面Gb1的位置的情況下，根據檢測出的端面Gb1的位置依次調整（修正）磨石31的位置（端面加工裝置3的Y方向上的基準位置）。當然，輥22亦可於檢測出側方邊Gb的端面Gb1的位置的時間點，即例如側方邊Gb的端面Gb1的角部Gd附近，藉由伺服馬達等的作用而遠離側方邊Gb的端面Gb1。In the above embodiment, when the roller 22 of the position detection device 2 moves over the entire length of the side side Gb and on the end face Gb1, that is, when the position detection device 2 moves over the entire length of the side side Gb of the glass plate G, When the position of the end surface Gb1 is detected, the position of the grindstone 31 (the reference position in the Y direction of the end surface processing device 3) is sequentially adjusted (corrected) based on the detected position of the end surface Gb1. Of course, the roller 22 can also be moved away from the side side Gb by the action of a servo motor or the like at the time when the position of the end surface Gb1 of the side side Gb is detected, that is, for example, near the corner Gd of the end surface Gb1 of the side side Gb. The end face Gb1.

於所述實施形態中，對位置檢測裝置2的接觸件21中的、與玻璃板G的端面Ga1、端面Gb1接觸的部分為輥22的情況進行了說明，但該部分亦可為於端面Ga1、端面Gb1上滑動的非轉動體（例如針狀構件、板狀構件、圓筒狀構件等）。In the above embodiment, the case where the portion of the contactor 21 of the position detection device 2 that contacts the end surfaces Ga1 and Gb1 of the glass plate G is the roller 22 has been described. However, this portion may also be the end surface Ga1. , a non-rotating body (such as a needle-shaped member, a plate-shaped member, a cylindrical member, etc.) that slides on the end surface Gb1.

於所述實施形態中，作為端面加工裝置3的致動器34，例示了具有旋轉軸的伺服馬達，但致動器34亦可為空氣壓致動器、液壓致動器、電氣機械致動器等伺服馬達以外的公知的致動器。In the above embodiment, the actuator 34 of the end surface processing device 3 is exemplified as a servo motor having a rotating shaft, but the actuator 34 may also be a pneumatic actuator, a hydraulic actuator, or an electromechanical actuator. Well-known actuators other than servo motors such as servo motors.

於所述實施形態中，例示了於端面加工步驟中，於將磨石31對端面Gb1的按壓力維持為一定大小的狀態下進行端面Gb1的加工的所謂定壓式的端面加工方法，但亦可採用於固定了玻璃板G的寬度方向（Y方向）上的磨石31的位置的狀態下進行端面Gb1的加工的所謂固定式的端面加工方法。或者，例如亦可將下游側的磨石31設為固定式，將上游側的磨石31設為定壓式，將兩者併用。In the above-mentioned embodiment, the so-called constant-pressure type end-face processing method is illustrated in which the end-face Gb1 is processed while maintaining the pressing force of the grindstone 31 on the end-face Gb1 at a constant level in the end-face processing step. However, the end-face processing method may also be used. A so-called fixed end surface processing method can be used, in which the end surface Gb1 is processed with the position of the grindstone 31 fixed in the width direction (Y direction) of the glass plate G. Alternatively, for example, the downstream grindstone 31 may be a fixed type, the upstream grindstone 31 may be a constant pressure type, and both may be used together.

於所述實施形態中，對進行了藉由位置檢測裝置2檢測玻璃板G的端面Ga1及端面Gb1的位置的位置檢測步驟之後，進行藉由端面加工裝置3對玻璃板G的端面Gb1進行加工的端面加工步驟的情況進行了說明，但所述位置檢測步驟並不限定於後步驟為端面加工步驟的情況。即，所述位置檢測步驟可以用作需要檢測玻璃板G的位置的各種製造相關處理步驟（例如成膜等）的前步驟。In the above embodiment, after the position detection step of detecting the positions of the end surfaces Ga1 and Gb1 of the glass plate G by the position detection device 2, the end surface Gb1 of the glass plate G is processed by the end surface processing device 3. The end face processing step has been described, but the position detection step is not limited to the case where the subsequent step is the end face processing step. That is, the position detection step can be used as a preparatory step for various manufacturing-related processing steps (such as film formation, etc.) that require detection of the position of the glass plate G.

於所述實施形態中，藉由伺服馬達24或拉伸彈簧41、氣缸51、氣缸61向將輥22按抵至端面Ga1、端面Gb1的方向施力。於此情況下，為了防止由施力引起的暫時的振動（例如輥22的彈跳），可設置衰減機構。若為第一實施形態，則較佳為與防止加工開始時的磨石31的彈跳同樣地，藉由控制伺服馬達24的旋轉軸的速度及扭矩來防止暫時的振動（例如輥22的彈跳），以抑制輥22（桿構件23）的移動。於此情況下，可以省略衰減機構，從而可以防止位置檢測裝置的構成複雜化，並且可以防止暫時的振動。In the above embodiment, the servo motor 24, the tension spring 41, the air cylinder 51, and the air cylinder 61 bias the roller 22 in the direction of pressing the end surface Ga1 and the end surface Gb1. In this case, in order to prevent temporary vibration (for example, bounce of the roller 22) caused by the applied force, an attenuation mechanism may be provided. In the first embodiment, it is preferable to prevent temporary vibration (for example, bounce of the roller 22 ) by controlling the speed and torque of the rotation axis of the servo motor 24 in the same manner as preventing the bounce of the grindstone 31 at the start of processing. , to suppress the movement of the roller 22 (lever member 23). In this case, the attenuation mechanism can be omitted, so that the configuration of the position detection device can be prevented from becoming complicated, and temporary vibration can be prevented.

1:製造裝置 2:位置檢測裝置 3:端面加工裝置 21:接觸件 22:輥 23:桿構件（擺動機構） 24:伺服馬達（施力部及檢測部） 24a:馬達軸 25:止擋件 26:控制部 31:磨石 31a:旋轉軸 32:馬達 33:臂構件 34:致動器 34a:旋轉軸 35:連桿機構 35a:第一連桿構件 35b:第二連桿構件 35c:第一接頭 35d:第二接頭 36:支持軸構件 41:拉伸彈簧（施力部） 42:支承部 43:底座部 44:支持軸構件 45:距離感測器（檢測部） 46:反射構件 51:氣缸（施力部） 61:氣缸（直動機構） 61a:棒部 G:玻璃板 Ga:前頭邊（第一邊） Ga1、Gb1:端面 Gb:側方邊（第二邊） Gc:後尾邊 Gd、Ge:角部 α:擺動角度1: Manufacturing device 2: Position detection device 3: End face processing device 21: Contact parts 22:Roller 23: Rod member (swing mechanism) 24: Servo motor (force application part and detection part) 24a: Motor shaft 25: Stopper 26:Control Department 31:Whetstone 31a:Rotation axis 32: Motor 33:Arm member 34: Actuator 34a:Rotation axis 35: Linking rod mechanism 35a: First link member 35b: Second link member 35c: first joint 35d: Second joint 36:Support axis member 41: Tension spring (force application part) 42:Support part 43: Base part 44:Support shaft member 45: Distance sensor (detection part) 46: Reflective components 51: Cylinder (force application part) 61: Cylinder (direct acting mechanism) 61a:Rod part G:Glass plate Ga: front side (first side) Ga1, Gb1: end face Gb: Side side (second side) Gc: rear tail edge Gd, Ge: Corner α: swing angle

圖1是表示第一實施形態的玻璃板的製造裝置的平面圖。 圖2A是表示第一實施形態的玻璃板的製造裝置的位置檢測裝置的平面圖。 圖2B是表示第一實施形態的玻璃板的製造裝置的位置檢測裝置的平面圖。 圖2C是表示第一實施形態的玻璃板的製造裝置的位置檢測裝置的平面圖。 圖3是表示第一實施形態的玻璃板的製造裝置的端面加工裝置的平面圖。 圖4是表示第二實施形態的玻璃板的製造裝置的位置檢測裝置的平面圖。 圖5是表示第三實施形態的玻璃板的製造裝置的位置檢測裝置的平面圖。 圖6是表示第四實施形態的玻璃板的製造裝置的位置檢測裝置的平面圖。FIG. 1 is a plan view showing a glass plate manufacturing apparatus according to the first embodiment. FIG. 2A is a plan view showing the position detection device of the glass plate manufacturing apparatus according to the first embodiment. FIG. 2B is a plan view showing the position detection device of the glass plate manufacturing apparatus according to the first embodiment. FIG. 2C is a plan view showing the position detection device of the glass plate manufacturing apparatus according to the first embodiment. 3 is a plan view showing the end surface processing device of the glass plate manufacturing device according to the first embodiment. 4 is a plan view showing the position detection device of the glass plate manufacturing apparatus according to the second embodiment. FIG. 5 is a plan view showing the position detection device of the glass plate manufacturing apparatus according to the third embodiment. FIG. 6 is a plan view showing the position detection device of the glass plate manufacturing apparatus according to the fourth embodiment.

1:玻璃板的製造裝置 1: Glass plate manufacturing equipment

2:位置檢測裝置 2: Position detection device

21:接觸件 21: Contact parts

22:輥 22:Roller

23:桿構件(擺動機構) 23: Rod member (swing mechanism)

24:伺服馬達(施力部及檢測部) 24: Servo motor (force application part and detection part)

24a:馬達軸 24a: Motor shaft

25:止擋件 25: Stopper

G:玻璃板 G:Glass plate

Ga:前頭邊(第一邊) Ga: front side (first side)

Ga1、Gb1:端面 Ga1, Gb1: end face

Gb:側方邊(第二邊) Gb: Side side (second side)

Gd:角部 Gd: Corner

α:擺動角度 α: swing angle

Claims (8)

一種玻璃板的製造裝置，包括檢測玻璃板的端面的位置的位置檢測裝置，所述玻璃板的製造裝置的特徵在於：所述位置檢測裝置包括：接觸件，能夠以與所述玻璃板的第一邊的端面及與所述第一邊交叉的第二邊的端面分別接觸的方式移動；施力部，對所述接觸件向所述第一邊的端面側及所述第二邊的端面側施力；以及檢測部，檢測所述接觸件的位置。 A manufacturing device for a glass plate, including a position detection device for detecting the position of an end surface of a glass plate. The manufacturing device for a glass plate is characterized in that the position detection device includes a contact piece capable of contacting a third end surface of the glass plate. The end surface of one side and the end surface of the second side crossing the first side move in such a manner that they are in contact with each other; the force applying part moves the contact piece toward the end surface side of the first side and the end surface of the second side. side force; and a detection part to detect the position of the contact piece. 如請求項1所述的玻璃板的製造裝置，其中所述接觸件以經由所述第一邊與所述第二邊交叉的角部而自所述第一邊的端面移載至所述第二邊的端面的方式構成。 The manufacturing device of a glass plate according to claim 1, wherein the contact piece is transferred from the end surface of the first side to the third side through a corner where the first side intersects with the second side. It is composed of two end faces. 如請求項1或請求項2所述的玻璃板的製造裝置，其中所述接觸件能夠於沿著所述玻璃板的主表面的平面內擺動。 The manufacturing apparatus of a glass plate according to claim 1 or claim 2, wherein the contact member is capable of swinging in a plane along the main surface of the glass plate. 如請求項1或請求項2所述的玻璃板的製造裝置，其中所述施力部及所述檢測部包含伺服馬達。 The manufacturing apparatus of a glass plate according to Claim 1 or Claim 2, wherein the force application part and the detection part include a servo motor. 如請求項1或請求項2所述的玻璃板的製造裝置，其中所述接觸件中的與所述玻璃板接觸的部分為輥。 The manufacturing device of a glass plate according to claim 1 or claim 2, wherein a portion of the contact member that contacts the glass plate is a roller. 如請求項1或請求項2所述的玻璃板的製造裝置，包括磨石，所述磨石基於由所述位置檢測裝置檢測出的所述第一邊的端面及所述第二邊的端面各自的位置來對所述第二邊的端面進行加工。 The manufacturing apparatus of a glass plate according to claim 1 or claim 2, including a grindstone based on the end surface of the first side and the end surface of the second side detected by the position detection device. Each position is used to process the end surface of the second side. 一種玻璃板的製造方法，包括檢測玻璃板的端面的位置的位置檢測步驟，所述玻璃板的製造方法的特徵在於： 所述位置檢測步驟包括以與所述玻璃板的第一邊的端面及與所述第一邊交叉的第二邊的端面分別接觸的方式對接觸件施力同時使其移動的步驟、以及檢測所述接觸件的位置的步驟。 A method for manufacturing a glass plate, which includes a position detection step of detecting the position of an end surface of the glass plate, and is characterized by: The position detection step includes the step of applying force to the contact member while moving it in such a manner that it is in contact with the end surface of the first side of the glass plate and the end surface of the second side crossing the first side respectively, and detecting Steps to position the contacts. 如請求項7所述的玻璃板的製造方法，其中所述接觸件經由所述第一邊與所述第二邊交叉的角部而自所述第一邊的端面移載至所述第二邊的端面。 The manufacturing method of a glass plate according to claim 7, wherein the contact piece is transferred from the end surface of the first side to the second side through a corner where the first side and the second side intersect. The end face of the edge.
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