CN102822110A - Method and apparatus for manufacturing glass plates - Google Patents

Method and apparatus for manufacturing glass plates Download PDF

Info

Publication number
CN102822110A
CN102822110A CN2011800179868A CN201180017986A CN102822110A CN 102822110 A CN102822110 A CN 102822110A CN 2011800179868 A CN2011800179868 A CN 2011800179868A CN 201180017986 A CN201180017986 A CN 201180017986A CN 102822110 A CN102822110 A CN 102822110A
Authority
CN
China
Prior art keywords
sheet glass
foreign matter
pad
remove
glass
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2011800179868A
Other languages
Chinese (zh)
Inventor
木村宏
金子裕
山本功
城山厚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AGC Inc
Original Assignee
Asahi Glass Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Asahi Glass Co Ltd filed Critical Asahi Glass Co Ltd
Publication of CN102822110A publication Critical patent/CN102822110A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • B08B1/20—
    • B08B1/32—
    • 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
    • B24B27/00—Other grinding machines or devices
    • B24B27/0069—Other grinding machines or devices with means for feeding the work-pieces to the grinding tool, e.g. turntables, transfer means
    • 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
    • B24B27/00—Other grinding machines or devices
    • B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
    • 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
    • B24B37/00—Lapping machines or devices; Accessories
    • B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
    • B24B37/07—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool
    • B24B37/08—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool for double side lapping
    • 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
    • B24B37/00—Lapping machines or devices; Accessories
    • B24B37/11—Lapping tools
    • B24B37/20—Lapping pads for working plane surfaces
    • B24B37/24—Lapping pads for working plane surfaces characterised by the composition or properties of the pad materials
    • B24B37/245—Pads with fixed abrasives
    • 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
    • B24B37/00—Lapping machines or devices; Accessories
    • B24B37/11—Lapping tools
    • B24B37/20—Lapping pads for working plane surfaces
    • B24B37/26—Lapping pads for working plane surfaces characterised by the shape of the lapping pad surface, e.g. grooved
    • 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
    • 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
    • B24B7/244—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 continuous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D11/00—Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D13/00—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor
    • B24D13/14—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by the front face
    • B24D13/142—Wheels of special form
    • 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
    • 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
    • C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
    • 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
    • C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
    • C03C23/0075—Cleaning of glass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D2203/00—Tool surfaces formed with a pattern

Abstract

Disclosed is a method for manufacturing glass plates. The method comprises the following steps: a forming step for forming sheet glass from molten glass; a cutting step for cutting the sheet glass into glass plates having a predetermined size; a contaminant removal step for removing contaminants from surfaces of the cut glass plates; and a polishing step for polishing the surfaces of the glass plates to remove scratches from the surfaces of the glass plates after the contaminant removal step.

Description

The method of manufacture of sheet glass and manufacturing installation
Technical field
The present invention relates to have method of manufacture and the manufacturing installation that foreign matter is removed the sheet glass of operation, wherein this foreign matter is removed operation and will be removed attached to the lip-deep foreign matter of sheet glass expeditiously.
Background technology
(Flat Panel Display: the glass substrate of usefulness manufacturings that be described below flat-panel monitor): the glass method for making that utilization is called as float glass process is configured as melten glass the thin plate of the tabular about 0.1 ~ 2.8mm of thickness to the FPD that in liquid-crystal display etc., uses; And the milling apparatus through disclosed continous way such as patent documentation 1; Small concavo-convex, the ripple of said thin sheet surface are ground and remove, thereby satisfy desired Flatness such as liquid-crystal display.
In this continous way milling apparatus, as patent documentation 2 records, the grinding pad of general using rotation and revolution (grinding apparatus) comes grinding glass substrate.
TP formerly
Patent documentation
Patent documentation 1: the spy of Japan opens the 2007-190657 communique
Patent documentation 2: the spy of Japan opens the 2001-293656 communique
Summary of the invention
Sheet glass is for example through the method manufacturing shown in following.At first, frit is obtained melten glass to the melting channel input.The melten glass that obtains is configured as the zonal glass ribbon of successive of the width of regulation, slow cooling in leer through float glass process, glass tube down-drawing etc.Zonal sheet glass after the slow cooling is after being cleaned by washing unit, through cutting the sheet glass that device for folding cuts into the size of regulation.
On the surface of the zonal sheet glass after the shaping, during carrying during slow cooling in leer, between leer-Qie device for folding, and when the cut-out of cutting device for folding, may adhere to foreign matters such as glass cullet, dust.
Because these foreign matters are of a size of a few μ m ~ tens μ m, therefore if utilize the milling apparatus of above-mentioned that kind to grind and remove, then with compare milling time usually and increase, become the reason that productivity descends.And, exist the foreign matter remove to sneak into and the recycle system of mill base slurry is polluted such problem points to mill base slurry.
The present invention makes in light of this situation, and its purpose is to provide a kind of method of manufacture and manufacturing installation that foreign matter is removed the sheet glass of operation that have, and wherein this foreign matter is removed operation and is used for will removing attached to the lip-deep foreign matter of sheet glass expeditiously.
In order to realize said purpose, the method for manufacture of sheet glass of the present invention possesses: by the forming process of melten glass shaping flat sheet glass; Sheet glass after the said shaping is cut the size that is converted into regulation sheet glass cut the folding operation; Remove operation with being attached to the foreign matter that the said lip-deep foreign matter of cutting the sheet glass behind the folding removes; And said foreign matter is removed the grinding step that the damage on the surface of the sheet glass after the operation is removed through the surface of this sheet glass is ground.
According to the present invention; Because in the preceding operation of grinding step, possessing foreign matter removes operation; Remove in the operation at this foreign matter; To remove attached to the lip-deep foreign matter of sheet glass, the damage on the surface of the sheet glass that produces when utilizing grinding step to remove foreign matter is ground and is removed, and therefore can remove the lip-deep foreign matter attached to sheet glass expeditiously.
In order to realize said purpose, the manufacturing installation of sheet glass of the present invention possesses: by the forming unit of melten glass shaping flat sheet glass; Sheet glass after the said shaping is cut the size that is converted into regulation sheet glass cut the folding unit; Foreign matter is removed the unit, makes foreign matter remove pad and cuts the surperficial butt of the sheet glass behind the folding with the contact pressure and said of regulation and slide, and the lip-deep foreign matter that will be attached to this sheet glass is thus removed; And the grinding unit removed of the damage on the surface of the sheet glass after through the surface of this sheet glass is ground said foreign matter being removed.
According to the present invention; Because using foreign matter to remove pad will remove attached to the lip-deep foreign matter of sheet glass; The damage on the surface of the sheet glass that produces when utilizing grinding unit to remove foreign matter is ground and is removed, and therefore can remove the lip-deep foreign matter attached to sheet glass expeditiously.
Said foreign matter of the present invention is removed pad and is preferably had multilayered structure, this multilayered structure comprise the impact plies that constitutes by elastomerics and be laminated in this impact plies and with the bonded-abrasive layer of the surperficial butt of said sheet glass.
According to this mode, utilize foreign matter to remove the impact plies of pad, can make the contact pressure between bonded-abrasive layer and the sheet glass become suitable pressure, thereby the damage on the surface of the sheet glass that can the abrasive particle of bonded-abrasive layer be caused is suppressed to inferior limit.
Said bonded-abrasive layer of the present invention preferably with the face of said sheet glass butt on be arranged with the polygonal pyramid shape that comprises the abrasive particle below the particle diameter 10 μ m or a plurality of thrusts of many terrace with edges shape with predetermined rule; The height of said thrust is roughly the same and be the scope of 10 ~ 200 μ m, and density is 5 ~ 200/mm 2According to this mode, can the lip-deep foreign matter attached to sheet glass suitably be removed.Need to prove that the height of said thrust is the scope of 20 ~ 150 μ m more preferably, density is 5 ~ 100/mm more preferably 2
Said abrasive particle of the present invention is preferably alumina abrasive grain.According to this mode, can more suitably remove lip-deep foreign matter attached to sheet glass.
Said impact plies of the present invention preferably is made up of polyurethane foam.According to this mode, can simply the contact pressure between bonded-abrasive layer and the sheet glass be formed suitable pressure.
To establish A hardness be more than 60 to preferred folder and thickness is the middle layer of 50 μ m ~ 200 μ m between said bonded-abrasive layer of the present invention and said impact plies.According to this mode, establish said middle layer through folder between bonded-abrasive layer and impact plies, be certain and can make the contact pressure between bonded-abrasive layer and the sheet glass, also can removing of foreign matter be remained necessarily.
Said foreign matter of the present invention is removed the unit and is preferably possessed rotary unit, make said foreign matter remove the pad rotation through utilizing this rotary unit, thereby the lip-deep foreign matter that will be attached to said sheet glass is removed.According to this mode, can remove lip-deep foreign matter swimmingly attached to sheet glass.
Said foreign matter of the present invention is removed the unit and is preferably possessed a plurality of foreign matters and remove pad row; This foreign matter is removed the pad row and is formed with being spaced of regulation along with the orthogonal direction of carrying direction of sheet glass a plurality of foreign matters being removed pad; Remove pad through the foreign matter of each foreign matter being removed pad row and be configured in and observe adjacent foreign matter down along sheet glass carrying direction and remove the foreign matter of pad row and remove in the gap between pad, remove pad and dispose foreign matter continuously along the orthogonal direction of carrying direction with sheet glass.According to this mode, because removing unitary bonded-abrasive layer and sheet glass whole, foreign matter contacts, therefore can have with omitting and will not remove attached to the foreign matter on the sheet glass.
Foreign matter of the present invention is removed the unit and is preferably possessed through supply with the unit that scavenging solution washes the foreign matter of having removed to the surface of sheet glass.According to this mode, can the foreign matter after removing be washed through the scavenging solutions such as detergent solution that water or general glass clean usefulness, thereby can prevent the damage that sheet glass caused because of the foreign matter after removing.
The invention effect
According to the method for manufacture and the manufacturing installation of sheet glass of the present invention, can expeditiously the lip-deep foreign matter attached to sheet glass be removed.
Description of drawings
Fig. 1 is the figure of the manufacturing process of expression sheet glass.
Fig. 2 is the structure iron of the shaping appts that in forming process, uses.
Fig. 3 is the stereographic map of the major portion of expression washing unit.
Fig. 4 (a) and 4 (b) are that the expression foreign matter is removed the vertical view of the configuration of pad.
Fig. 5 (a) and 5 (b) are the observed side-views of carrying direction from the sheet glass of washing unit.
Fig. 6 is the stereographic map that foreign matter is removed pad.
Fig. 7 (a) and 7 (b) are the surperficial enlarged views of bonded-abrasive film.
Embodiment
Below, according to accompanying drawing, the method for manufacture of sheet glass of the present invention and the preferred implementation of manufacturing installation are described.Need to prove, in the method for making of the sheet glass of this embodiment, float glass process is described, but the present invention also goes for drawing under the discharge orifice method, overflow downdraw, traction method again, crystal pulling method etc.
Fig. 1 is the figure of manufacturing process of the sheet glass of this embodiment of expression.
Sheet glass through the matting (foreign matter is removed operation) of cutting folding operation (S2), the surface of cutting the sheet glass behind the folding being cleaned of use float glass process is come the forming process (S1) of shaping flat sheet glass, sheet glass after will being shaped is cut the size that is converted into regulation sheet glass (S3), the inspection operations (S5) of the having or not of the damage of grinding step (S4), inspection that the surface of the sheet glass after cleaning the is ground glass substrate after grinding, surperficial Flatness, thickness of slab etc., the glass substrate of passed examination is accommodated in the container of regulation and the packaging process (S6) packed, thereby outbound (S7).Here, the sheet glass after grinding is called glass substrate.
< forming process (S1) >
Fig. 2 is illustrated in the structure iron of the shaping appts 10 that uses in the forming process.Shaping appts 10 constitute possess melting furnace 11, clarifying tank 12, molten metal bath 13, and leer 14.
Melten glass in melting furnace 11 after the fusion is removed bubble by clarification in clarifying tank 12.This melten glass is directed to and accumulates in the molten metal bath 13 that molten tin is arranged, expansion on molten tin and be configured as the glass ribbon of the thickness of regulation.
This glass ribbon is stretched and becomes the glass ribbon of certain width and advance to the downstream direction of molten metal bath 13 under the effect of the stretching force that the direction to leer 14 applies.Then, glass ribbon by slow cooling, is removed the distortion that when being shaped, produces etc. and is become zonal sheet glass in by the process of the carrying roller of leer 14 carrying.
< cutting folding operation (S2) >
Zonal sheet glass utilizes the adding line on the surface such as diamond glass cutter, produces stress in this line, cuts off into the sheet glass 100 of the size of regulation thus.
Matting (foreign matter is removed operation) (S3)
In cutting folding operation (S2), cut off into the sheet glass 100 of the size of regulation and carried to washing unit (foreign matter is removed the unit) 30 by not shown carrying unit.
Fig. 3 is the stereographic map of the major portion of expression washing unit 30.As shown in the drawing, washing unit 30 comprises that mainly downside carrying roller 31, foreign matter are removed pad 32, upside is carried roller 33, cleaned pad 34.Need to prove, about upside carrying roller 33, cleaning pad 34, only a diagram part.And washing unit 30 possesses the not shown injection unit to the scavenging solution of the upper and lower surfaces inject high pressure of sheet glass 100.Need to prove that in the present invention, " top " is meant the vertical top, " below " is meant the vertical below.
It is rotation turning axle 311 freely by bearing 312 supportings that downside carrying roller 31 possesses at its rotation center.And it is rotation turning axle 331 freely that upside carrying roller 33 possesses by not shown bearing supporting similarly.This turning axle 311 and turning axle 331 rotate under the effect of not shown driver element, thereby make downside carrying roller 31 and 33 rotations of upside carrying roller.Downside carrying roller 31 and upside carrying roller 33 clamping sheet glass 100 and rotation are to the direction of arrow carrying sheet glass 100 of Fig. 3.Sheet glass 100 preferably is handled upside down with the speed that 1 ~ 20m/ divides, and the speed of more preferably dividing with 5 ~ 15m/ is handled upside down.
Foreign matter is removed pad 32 and is installed on platform 321 respectively with the mode that the bottom surface of its surface pressure according to the rules and the sheet glass 100 carried joins.And platform 321 is by turning axle 322 supportings, and turning axle 322 rotates (rotation) under the effect of not shown driver element, thus the bottom surface of sliding and whisk off sheet glass 100 in the surface that makes foreign matter remove pad 32.Need to prove that turning axle 322 both can make a plurality of turning axle 322 interlocks rotations by 1 driver element, also can driver element be set for each turning axle 322, and make their independent respectively rotations.
Likewise, clean pad 34 and be installed on base 341 respectively with the mode that the end face (surface of the opposition side of bottom surface) of according to the rules pressure and the sheet glass of being carried 100 joins.Base 341 is by turning axle 342 supportings, and turning axle 342 rotates (rotation) under the effect of not shown driver element, thereby the end face of sheet glass 100 is whisked off in the surface slip of cleaning pad 34.About turning axle 342, also with turning axle 322 likewise, both can make the rotation of a plurality of turning axle 342 interlocks, also can distinguish independent rotation.
Need to prove, in this embodiment, make foreign matter remove pad 32 and clean pad 34, but speed of rotation is as long as suitably determine respectively with the speed rotation of about 300rpm.
In washing unit 30, on the whole zone of the width of sheet glass 100, become a plurality of foreign matters of straight wire to remove foreign matter that pad 32 constitutes by arranged spaced and remove the pad row and dispose multiple row with the orthogonal mode of carrying direction with sheet glass 100 with regulation.
This foreign matter that is configured to multiple row is removed pad 32 as follows along stagger specified amount configuration of the orthogonal direction of carrying direction with sheet glass 100; Said mode does not produce the gap for when the foreign matter that makes each row is removed pad 32 to the carrying direction projection of sheet glass 100 between the projection pad.Promptly; Each foreign matter is removed pad 32 be configured in and observe adjacent foreign matter down along sheet glass carrying direction and remove the foreign matter of pad row and remove in the gap between the pad 32, and dispose continuously along observing down in sheet glass carrying direction with the orthogonal direction of carrying direction of sheet glass 100.Through configuration like this, can whole foreign matter of sheet glass 100 be removed, and can realize that foreign matter removes the homogenization of time.
Fig. 4 (a) is that the foreign matter of expression when foreign matter is removed pad 32 with respect to the carrying directions of sheet glass 100 configuration two row removed the vertical view of the configuration of pad 32, and the arrow among the figure is represented the carrying direction of sheet glass 100.In this case, for example, the foreign matter of diameter 100mm is removed pad 32 19 of per 1 row configurations, and secondary series staggered with respect to first row be configured about 50mm.Through configuration like this, whole of the sheet glass 100 of cleaning width 2.5m equably, can realize that foreign matter removes the homogenization of time.
In addition, Fig. 4 (b) is that the foreign matter of expression when foreign matter is removed pad with respect to the carrying direction of sheet glass 100 configuration three row removed the vertical view of the configuration of pad 32.In this case; For example; The foreign matter of diameter 100mm is removed pad 32 12 or 13 of per 1 row configurations; And first row are staggered about 50mm along the orthogonal direction of carrying direction with sheet glass 100 with respect to secondary series, and the 3rd row are staggered to the opposite direction of said direction with respect to secondary series to be configured about 50mm.Through configuration like this, whole of the sheet glass 100 of cleaning width 2.5m equably, can realize that foreign matter removes the homogenization of time.
Need to prove that the size that foreign matter is removed columns and the sheet glass of pad 32 size, arrangement is not limited to the numerical value of this embodiment, as long as can equably whole face being carried out the suitably decision of mode that foreign matter is removed.
Fig. 5 (a) be shown in the presentation graphs 4 (a) foreign matter is removed pad 32 with respect to the carrying directions of sheet glass 100 configuration two row the time the observed foreign matter of carrying direction from sheet glass 100 remove the side-view of pad 32 and the configuration of cleaning pad 34.
Shown in Fig. 5 (a), foreign matter is removed pad 32 and is cleaned pad 34 and with the mode that becomes a group up and down many groups are set relatively.And, constitute one group foreign matter and remove pad 32 and clean pad 34 and stagger specified amount and dispose along the orthogonal direction of carrying direction with sheet glass 100.And foreign matter is removed pad 32 and is cleaned pad 34 and constitutes the position that can adjust above-below direction, so that can adjust the contact pressure with respect to sheet glass 100.The adjustment mechanism of contact pressure both can constitute to fill up for each and adjust, and also can enough become to remove to fill up to be listed as for foreign matter to adjust.
Fig. 5 (b) is that the observed foreign matter of carrying direction from sheet glass 100 that pad 32 was configured to for 3 whens row that foreign matter is removed shown in the presentation graphs 4 (b) is removed the side-view of pad 32 and the configuration of cleaning pad 34.Be configured to two row situation likewise; Foreign matter is removed pad 32 and is oppositely arranged many groups with cleaning pad 34 with the mode that becomes a group up and down, constitutes one group foreign matter and removes pad 32 and clean pad 34 and stagger specified amount and dispose along the orthogonal direction of carrying direction with sheet glass 100.
Fig. 6 is the stereographic map that foreign matter is removed pad 32.As shown in the drawing, foreign matter is removed pad 32 and is formed discoidly, has the multilayered structure that comprises bonded-abrasive layer 323 and layer of polyurethane (impact plies) 324.
Bonded-abrasive layer 323 is formed at the face with sheet glass 100 butts, comprises bonded-abrasive film even shape 323a of portion and bonded-abrasive film R shape portion 323b.
Fig. 7 (a) is the cutaway view Amplified image on the surface of the bonded-abrasive film even shape 323a of portion, and Fig. 7 (b) overlooks enlarged view.As shown in the drawing, the foreign matter that is formed with the triangular taper of a plurality of roughly same shapes and size on the surface of the bonded-abrasive film even shape 323a of portion is removed with thrust 320, and rule is correctly arranged.Foreign matter is removed and used thrust 320 preferred its height S is 10 ~ 200 μ m, and the length P on one side of triprismo is 0.05 ~ 0.5mm, and arrangement pitches Q is 0.1 ~ 3mm, and the width R of the row of arrangement is 0.1 ~ 3mm.Especially more preferably S is 20 ~ 150 μ m, and P is 0.1 ~ 0.3mm, and Q is 0.1 ~ 1.5mm, and R is 0.1 ~ 1.5mm.And, every 1mm 2The foreign matter number of removing with thrust 320 be preferably 5 ~ 200, more preferably 10 ~ 150.
Foreign matter is removed and used thrust 320 is that grinding abrasive particle and the mixture of tackiness agent below the 10 μ m constitutes by particle diameter.Grind abrasive particle and can use silit, diamond, but more preferably use alumina abrasive grain.This is because if use particle diameter greater than the grinding abrasive particle of 10 μ m and the mixture of tackiness agent, or hard silit, the diamond of use ratio aluminum oxide abrasive particle, then damage sheet glass easily.Wherein more preferably particle diameter is the alumina abrasive grain below the 5 μ m, the alumina abrasive grain of preferred especially 0.5 ~ 5 μ m.And, as tackiness agent, can use epoxide resin material, acrylic materials.
Need to prove that in this embodiment, foreign matter is removed with thrust 320 and formed triangular taper, but the shape of thrust not being defined in this, also can be polygonal pyramid, circular cone, three terrace with edges, many terrace with edges, the frustum of a cone, triangular prism, polygon prism, cylindric.In addition, above-mentioned shape is mixed.
Through using this bonded-abrasive film even shape 323a of portion, can suitably remove the foreign matter that on the surface of sheet glass 100, adheres to.
In addition; Be provided with bonded-abrasive film R shape portion 323b at bonded-abrasive layer 323; This bonded-abrasive film R shape portion 323b has the taper of the angle of regulation in periphery, removes pad 32 and fills up between 34 with cleaning so that make the sheet glass 100 that is come by downside carrying roller 31 and 33 carryings of upside carrying roller be clamped into foreign matter easily.The R shape of bonded-abrasive film R shape portion 323b is preferably R2 ~ R6, more preferably R3 ~ R5.
Bonded-abrasive layer 323 is crimped on the layer of polyurethane 324 of thickness of regulation.Layer of polyurethane 324 plays the effect as elastomeric cushion material during with sheet glass 100 butts at bonded-abrasive layer 323, is made up of the polyurethane foam of the qualitative characteristics with table 1.
[table 1]
Project Specification value
Density 60±15(kg/m 3)
Hardness 20±5(kN/m 2)
Unit number 60 ± 15 (individual/25mm)
Tensile strength More than 150 (kPa)
Extend More than 70 (%)
Air permeability 50 ± 15 (rise/minute)
These data can access based on following method.
Density: JISK7222 (2005)
Hardness: JISK6400-2 (2004)
Tensile strength: JISK6400-5 (2004)
Extend: JISK6400-5 (2004)
Air permeability: JISK6400-7 (2004)
Layer of polyurethane 324 so that bonded-abrasive layer 323 with respect to sheet glass 100 according to after the mode of the contact pressure butt that is fit to stated select to be suitable as material, the thickness of elastomeric cushion material.Layer of polyurethane 324 is through being arranged on the not shown holding unit on the face with the range upon range of face opposition side that bonded-abrasive layer 323 arranged, and is installed on the platform 321 that is formed by vinyl chloride resin.
In addition, also can between bonded-abrasive layer 323 and layer of polyurethane 324, further press from both sides and establish the back plate (middle layer) 325 that forms by polyethylene terephthalate (PET), Vilaterm (PE) etc.When the contact pressure of bonded-abrasive layer 323 and sheet glass 100 becomes heterogeneity, be effectively though reduce the hardness of layer of polyurethane 324, in this case, there is the tendency of the ability of the removing reduction of foreign matter.As countermeasure, through so that append the back plate 325, can make said contact pressure certain, and, also can the ability of removing of foreign matter be remained necessarily.The A hardness of back plate 325 is preferably more than 60, and thickness is preferably 50 μ m ~ 200 μ m.If A hardness less than 60 or thickness less than 50 μ m, then be difficult to keep the ability of removing of foreign matter, on the contrary when thickness when the 200 μ m, be difficult to contact pressure is remained necessarily.
The action of the washing unit 30 that so constitutes is described.Washing unit 30 will be from cutting the speed carrying that the next sheet glass 100 of folding operation (S2) carrying is divided with about 10m/ by downside carrying roller 31 and upside carrying roller 33.Foreign matter is removed pad 32 and is cleaned pad 34 and begins rotation with the speed of about 300rpm in advance.
Sheet glass 100 is utilized in foreign matter and removes the taper that the periphery of pad 32 is provided with, and removes between pad 32 and the cleaning pad 34 and be clamped into foreign matter swimmingly.Foreign matter is removed pad 32 and is cleaned pad 34 and keeping under the state of rotation, comes clamping sheet glass 100 with the contact pressure of regulation.In addition, utilize the upper and lower surfaces injection water of injection unit to sheet glass 100.
Foreign matter is removed the bottom surface of 32 pairs of sheet glass 100 of pad and is slided and whisk off, and the bottom surface is cleaned and will be removed attached to the foreign matter on the bottom surface.Likewise, the end face that cleans 34 pairs of sheet glass 100 of pad slides and whisks off, and end face is cleaned.Dirt after being removed, foreign matter etc. are washed by the High-Pressure Water based on injection unit, and the foreign matter after preventing thus to remove etc. produce damage to sheet glass 100.
The contact pressure that sheet glass 100 and the foreign matter of this moment removed pad 32 preferably becomes 0.01 ~ 20kPa.In the time of a little less than contact pressure is than 0.01kPa; Can't be with removing attached to sheet glass 100 lip-deep foreign matters; And when contact pressure is bigger than 20kPa; Foreign matter is removed the damage that pad 32 foreign matter removes with 320 pairs of sheet glass 100 of thrust and is deepened, and exists in the grinding step (S4) of subsequent processing in order this damage to be removed the required such problem of time increase.
This contact pressure is removed pad 32 according to foreign matter and is removed the hardness of the layer of polyurethane 324 of pad 32 to the amount of being pressed into of sheet glass 100 with foreign matter, and is set at desirable value.In this embodiment, the amount of being pressed into is set at about 0.5 ~ 1.5mm, and contact pressure is set at about 2 ~ 10kPa.Need to prove; In this manual; The amount of being pressed into is meant that it is 0mm that foreign matter is removed the position that the bottom surface of pad 32 the bonded-abrasive film even shape 323a of portion surface and sheet glass 100 joins, and begins from this position foreign matter is removed the amount that pad 32 is pressed into to the bottom surface of sheet glass 100.
Through so cleaning, and can suitably remove foreign matters such as the glass cullet that on the bottom surface of sheet glass 100, adhere to, dust.
Need to prove, in this embodiment, make water, but also can spray the detergent solution that general glass cleans usefulness as the scavenging solution that sprays from injection unit.
In addition, in this embodiment, foreign matter is removed the bottom surface that pad 32 is mounted to sheet glass 100 join, but the present invention is not defined in this, is installed at least one face in end face and the bottom surface as long as foreign matter is removed pad.That is, also can remove after pad will remove attached to the foreign matter on the bottom surface of sheet glass, then utilize the foreign matter that is installed in top surface side to remove pad and will remove attached to the foreign matter on the end face of this sheet glass at the foreign matter that utilization is installed in bottom surface side.
< grinding step (S4) >
In matting (S3) afterwards,, in grinding step (S4), grind grinding the object face by the continuous sheet glass of carrying 100 in not shown carrying unit by grinding apparatus.Grind apparatus and have the diameter bigger, through rotation/revolution the rotation center of regulation is rotated around the center, and the revolution center of regulation is revolved round the sun around the center than the width of sheet glass 100, and the whole zone of width of while abrading glass plate 100.
The damage that on the bottom surface of sheet glass 100 and at least one face in the end face, produces is removed through this grinding step (S4) because the foreign matter of matting (S3) removes that the slip of pad 32 is whisked off.
After this sheet glass 100 after the grinding is cleaned, after the mill base slurry that adheres on the surface of sheet glass 100 that will be after grinding, abrading glass bits and other foreign matter etc. are removed, as glass substrate and to inspection operation (S5) carrying.
< inspection operation (S5) ~ outbound operation (S7) >
Glass substrate inspection in inspection operation (S5) after in grinding step (S4), the bottom surface being ground has not damaged, surperficial Flatness, thickness of slab etc.The glass substrate of passed examination is accommodated in the container of regulation in packaging process (S6), pack.Glass substrate after the packing in outbound operation (S7) to the regulation outbound place outbound.
The sheet glass 100 of manufacturing is not defined as flat-panel monitor usefulness, can enumerate for building, used for solar batteries or vehicle yet and various uses such as use.
At length and with reference to specific embodiment the present invention has been described, but it is self-evident to those skilled in the art not depart from the scope of the present invention the situation that can apply various corrections, change with spirit.
The Japanese patent application 2010-089570 that the application filed an application based on April 8th, 2010, and with its content as with reference to and be contained in this.
Label declaration
10 ... Shaping appts, 11 ... Melting furnace, 12 ... Clarifying tank, 13 ... Molten metal bath, 14 ... Leer; 30 ... Washing unit, 31 ... Downside carrying roller, 32 ... Foreign matter is removed pad, and 323 ... The bonded-abrasive layer, 323a ... Bonded-abrasive film even shape portion; 323b ... Bonded-abrasive film R shape portion, 324 ... Layer of polyurethane, 33 ... Upside carrying roller, 34 ... Clean pad, 100 ... Sheet glass; 311,322,331,342 ... Turning axle, 320 ... Foreign matter is removed and is used thrust, 321 ... Platform, 341 ... Base

Claims (10)

1. the method for manufacture of a sheet glass, it possesses:
Forming process by melten glass shaping flat sheet glass;
Sheet glass after the said shaping is cut the size that is converted into regulation sheet glass cut the folding operation;
Remove operation with being attached to the foreign matter that the said lip-deep foreign matter of cutting the sheet glass behind the folding removes; And
Through the surface of this sheet glass is ground said foreign matter is removed the grinding step that the damage on the surface of the sheet glass after the operation is removed.
2. the manufacturing installation of a sheet glass, it possesses:
Forming unit by melten glass shaping flat sheet glass;
Sheet glass after the said shaping is cut the size that is converted into regulation sheet glass cut the folding unit;
Foreign matter is removed the unit, makes foreign matter remove pad and cuts the surperficial butt of the sheet glass behind the folding with the contact pressure and said of regulation and slide, and the lip-deep foreign matter that will be attached to this sheet glass is thus removed; And
The grinding unit that the damage on the surface of the sheet glass after through the surface of this sheet glass is ground said foreign matter being removed is removed.
3. the manufacturing installation of sheet glass according to claim 2, wherein,
Said foreign matter is removed spacer has multilayered structure, this multilayered structure comprise the impact plies that constitutes by elastomerics and be laminated in this impact plies and with the bonded-abrasive layer of the surperficial butt of said sheet glass.
4. the manufacturing installation of sheet glass according to claim 3, wherein,
Said bonded-abrasive layer with the face of said sheet glass butt on be arranged with the polygonal pyramid shape that comprises the abrasive particle below the particle diameter 10 μ m or a plurality of thrusts of many terrace with edges shape with predetermined rule; The height of said thrust is roughly the same and be the scope of 10 ~ 200 μ m, and density is 5 ~ 200/mm 2
5. the manufacturing installation of sheet glass according to claim 4, wherein,
Said abrasive particle is an alumina abrasive grain.
6. according to the manufacturing installation of each described sheet glass in the claim 3 ~ 5, wherein,
Said impact plies is made up of polyurethane foam.
7. according to the manufacturing installation of each described sheet glass in the claim 3 ~ 6, wherein,
To establish A hardness be more than 60 to folder and thickness is the middle layer of 50 μ m ~ 200 μ m between said bonded-abrasive layer and said impact plies.
8. according to the manufacturing installation of each described sheet glass in the claim 2 ~ 7, wherein,
Said foreign matter is removed the unit and is possessed rotary unit, make said foreign matter remove the pad rotation through utilizing this rotary unit, thereby the lip-deep foreign matter that will be attached to said sheet glass is removed.
9. according to the manufacturing installation of each described sheet glass in the claim 2 ~ 8, wherein,
Said foreign matter is removed the unit and is possessed a plurality of foreign matters and remove pad row, and this foreign matter is removed the pad row and formed with being spaced of regulation along with the orthogonal direction of carrying direction of sheet glass a plurality of foreign matters being removed pad,
Remove pad through the foreign matter of each foreign matter being removed pad row and be configured in and observe adjacent foreign matter down along sheet glass carrying direction and remove the foreign matter of pad row and remove in the gap between pad, remove pad and dispose foreign matter continuously along the orthogonal direction of carrying direction with sheet glass.
10. according to the manufacturing installation of each described sheet glass in the claim 2 ~ 9, wherein,
Said foreign matter is removed the unit and is possessed through supply with the unit that scavenging solution washes the foreign matter of having removed to the surface of sheet glass.
CN2011800179868A 2010-04-08 2011-04-05 Method and apparatus for manufacturing glass plates Pending CN102822110A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2010089570 2010-04-08
JP2010-089570 2010-04-08
PCT/JP2011/058650 WO2011126028A1 (en) 2010-04-08 2011-04-05 Method and apparatus for manufacturing glass plates

Publications (1)

Publication Number Publication Date
CN102822110A true CN102822110A (en) 2012-12-12

Family

ID=44762963

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011800179868A Pending CN102822110A (en) 2010-04-08 2011-04-05 Method and apparatus for manufacturing glass plates

Country Status (5)

Country Link
JP (1) JPWO2011126028A1 (en)
KR (1) KR20130040808A (en)
CN (1) CN102822110A (en)
TW (1) TW201231175A (en)
WO (1) WO2011126028A1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104708528A (en) * 2013-12-11 2015-06-17 旭硝子株式会社 Glass sheet, apparatus for producing glass sheet and method for producing glass sheet
CN107116420A (en) * 2017-05-27 2017-09-01 青岛鲁航气囊护舷有限公司 A kind of hyperboloid sanding device
CN107524053A (en) * 2016-06-16 2017-12-29 旭硝子株式会社 Glass lining paper, the manufacture method of glass lining paper and glass plate laminate
CN108883518A (en) * 2016-03-25 2018-11-23 阪东化学株式会社 Grind material
CN111315700A (en) * 2017-12-22 2020-06-19 日本电气硝子株式会社 Method for manufacturing glass plate
CN113508099A (en) * 2019-02-28 2021-10-15 日东电工株式会社 Glass film
WO2024012048A1 (en) * 2022-07-13 2024-01-18 蚌埠中光电科技有限公司 Tft-lcd float glass substrate processing line

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104259969A (en) * 2014-09-18 2015-01-07 安吉德迈竹木机械有限公司 Wood grinding machine
JP2021113132A (en) * 2018-03-26 2021-08-05 日本電気硝子株式会社 Production method of glass plate, and cleaning apparatus of glass plate
WO2023214539A1 (en) * 2022-05-02 2023-11-09 日本電気硝子株式会社 Cleaning device for glass plates and method for producing glass plate

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0247157U (en) * 1988-09-29 1990-03-30
CN1108590A (en) * 1993-10-29 1995-09-20 美国3M公司 Method for the polishing and finishing of optical lenses
JP2001293656A (en) * 2000-04-17 2001-10-23 Asahi Glass Co Ltd Continuous-type polishing device of plate-like body, and its method
CN1188252C (en) * 1997-03-07 2005-02-09 美国3M公司 Abrasive article for providing clear surface finish on glass
CN101224946A (en) * 2008-01-30 2008-07-23 河北东旭机械设备有限公司 Automatic production line for TFT-LCD glass substrate
JP2009502721A (en) * 2005-08-02 2009-01-29 ショット アクチエンゲゼルシャフト Method and apparatus for post-processing plate glass
US20090226733A1 (en) * 2008-01-21 2009-09-10 Nippon Electric Glass Co.,Ltd. Process for producing glass substrate and glass substrate

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5152478B2 (en) * 2007-08-22 2013-02-27 旭硝子株式会社 Glass plate manufacturing apparatus and glass plate manufacturing method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0247157U (en) * 1988-09-29 1990-03-30
CN1108590A (en) * 1993-10-29 1995-09-20 美国3M公司 Method for the polishing and finishing of optical lenses
CN1188252C (en) * 1997-03-07 2005-02-09 美国3M公司 Abrasive article for providing clear surface finish on glass
JP2001293656A (en) * 2000-04-17 2001-10-23 Asahi Glass Co Ltd Continuous-type polishing device of plate-like body, and its method
JP2009502721A (en) * 2005-08-02 2009-01-29 ショット アクチエンゲゼルシャフト Method and apparatus for post-processing plate glass
US20090226733A1 (en) * 2008-01-21 2009-09-10 Nippon Electric Glass Co.,Ltd. Process for producing glass substrate and glass substrate
CN101224946A (en) * 2008-01-30 2008-07-23 河北东旭机械设备有限公司 Automatic production line for TFT-LCD glass substrate

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104708528A (en) * 2013-12-11 2015-06-17 旭硝子株式会社 Glass sheet, apparatus for producing glass sheet and method for producing glass sheet
CN108883518A (en) * 2016-03-25 2018-11-23 阪东化学株式会社 Grind material
US11819978B2 (en) 2016-03-25 2023-11-21 Bando Chemical Industries, Ltd. Grinding material
CN107524053A (en) * 2016-06-16 2017-12-29 旭硝子株式会社 Glass lining paper, the manufacture method of glass lining paper and glass plate laminate
CN107116420A (en) * 2017-05-27 2017-09-01 青岛鲁航气囊护舷有限公司 A kind of hyperboloid sanding device
CN111315700A (en) * 2017-12-22 2020-06-19 日本电气硝子株式会社 Method for manufacturing glass plate
US11459271B2 (en) 2017-12-22 2022-10-04 Nippon Electric Glass Co., Ltd. Method for producing glass plate
CN113508099A (en) * 2019-02-28 2021-10-15 日东电工株式会社 Glass film
WO2024012048A1 (en) * 2022-07-13 2024-01-18 蚌埠中光电科技有限公司 Tft-lcd float glass substrate processing line

Also Published As

Publication number Publication date
KR20130040808A (en) 2013-04-24
TW201231175A (en) 2012-08-01
WO2011126028A1 (en) 2011-10-13
JPWO2011126028A1 (en) 2013-07-11

Similar Documents

Publication Publication Date Title
CN102822110A (en) Method and apparatus for manufacturing glass plates
JP5363190B2 (en) End face processing method of plate glass
CN1914014B (en) Cutter wheel, scribing method and cutting method for fragile material substrate using the cutter wheel, and method of manufacturing cutter wheel
KR101394947B1 (en) Brittle material scribing wheel, and scribing method, scribing apparatus and scribing tool using such brittle material scribing wheel
CN102172991B (en) Cutter wheel and method of manufacturing the same, manual scribing tool, and scribing device
CN201746456U (en) Slitting mechanism
CN202825512U (en) Grinding pad and chemical machinery grinding machine
KR101273729B1 (en) Method and device for polishing plate-like body
KR20120115272A (en) Method and apparatus for polishing plate-like material
JP6190108B2 (en) Polishing apparatus and polishing method for polishing peripheral edge of workpiece such as plate glass with polishing tape
WO2015083713A1 (en) Glass substrate finish-polishing method and alkali-free glass substrate that has been finish-polished by said method
WO2013183539A1 (en) Glass substrate finish-polishing method, and alkali-free glass substrate finish-polished according to said method
CN112154128A (en) Method for manufacturing glass plate and apparatus for cleaning glass plate
JP6525395B2 (en) Glass plate and method of manufacturing the same
CN202829811U (en) Quartz-wafer block melting device
CN101992425A (en) Chamfering method of optical lens for camera
JP2019104105A (en) Glass sheet for flat panel display
JP2015225687A (en) Manufacturing method of magnetic disk glass substrate

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20121212