CN102019580A - Apparatus and method for locally polishing glass plate, and apparatus and method for producing glass product - Google Patents
Apparatus and method for locally polishing glass plate, and apparatus and method for producing glass product Download PDFInfo
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- CN102019580A CN102019580A CN2010102875654A CN201010287565A CN102019580A CN 102019580 A CN102019580 A CN 102019580A CN 2010102875654 A CN2010102875654 A CN 2010102875654A CN 201010287565 A CN201010287565 A CN 201010287565A CN 102019580 A CN102019580 A CN 102019580A
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- glass plate
- grinding
- workbench
- lapping device
- local
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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
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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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
- 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
- B24B49/12—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 involving optical means
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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
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- 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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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
Abstract
The invention provides an apparatus and a method for locally polishing glass plates, and an apparatus and a method for producing glass products, wherein grinding quality is stable and the production efficiency is increased.After the defects on the surface of a glass plate (G) are detected by a detection unit (4), the glass plate (G) is adsorbed and fixed to a work table (2).The positions of the defects (D) detected by the detection unit (4) and the surrounding place are polished by a polishing pad (34) with a smaller dimension compared with the glass plate (G), thereby removing the defects (D) without polishing the whole surface of the glass plate.
Description
Technical field
The present invention relates to utilize grinding pad absorption to be fixed in manufacturing installation, and the manufacture method of glassware of the local lapping device of glass plate that the surface of the glass plate on the workbench grinds, the local Ginding process of glass plate, glassware.
Background technology
Manufacturing at the plate glass goods that are used for flat-panel monitor etc. utilizes forming unit will be configured as glass tape by the melten glass of melten glass manufacturing installation fusion, and by the slow cooling unit glass tape after being shaped is carried out slow cooling, makes glass plate thus.Cut into the glass plate of regulation shape by the glass plate of cutting unit after, utilize lapping device to remove the microlesion and the ripple on surface, make tabular glassware slow cooling.In the lapping device of the grinding of carrying out glass plate, possess the workbench of absorption fastening glass panels and the grinding pad that the glass pane surface that is fixed on the workbench is ground, grind by between glass plate and grinding pad, supplying with lapping liquid and grinding pad being rotated.
Fig. 8 represents the example of continous way lapping device in the past.Fig. 8 represents the part of lapping device 100 that glass plate G is ground.This lapping device 100 by the workbench 101 that the bench pad that keeps glass plate G is set at upper surface and be disposed at workbench 101 above the formations such as grinder 102,102 of many (only illustrating 1 among Fig. 8).
As shown in Figure 9, be provided with the driving mechanism of a pair of guide pad and guide rail, rack-and-pinion formation in the bottom of workbench 101.Thus, workbench 101 is carried along the throughput direction shown in Fig. 8 upward arrow with fixing speed.
By the conveying of workbench 101, the glass plate G that remains on the bench pad on the workbench 101 passes through grinder 102,102 successively ... the below.And, this by in utilize grinder 102,102 ... grinding pad 103,103 ... grind described glass plate G with the lapping liquid of being supplied with.
Grinder 102 shown in Figure 9 is arranged on the top of workbench 101, has the main shaft 104 with workbench 101 quadratures.This main shaft 104 is bearing on the main body case 106 freely via bearing 105,105 rotations, and main body case 106 is fixed on a pair of pillar 107,107 that is disposed at the main body case both sides.
On the other hand, be formed with inserting hole 104A on the main shaft 104, described inserting hole 104A is with the axle center O with respect to main shaft 104
1Eccentric axle center O
2Be central shaft.Output shaft 108 is inserted and is led in inserting hole 104A, and output shaft 108 is with its central shaft and described axle center O
2Consistent mode is bearing on the main shaft 104 freely via bearing 109,109 rotations.
Perimembranous is provided with gear 110 on main shaft 104.Gear 111 is fixed on revolution with on the motor 112 with these gear 110 engagements, gear 111 via a plurality of gears of deceleration usefulness.Thus, main shaft 104 is with the rotation of regulation rotating speed.
Like this, during main shaft 104 rotations, output shaft 108 is along the axle center O with main shaft 104
1Circumference revolution for the center.That is, be fixed in grinding pad 103 on the grinding head 113 with axle center O
1For carrying out revolution motion in the center.
The upper end of output shaft 108 links with motor 115 via Hooks coupling universal coupling 114 and rotation.Therefore, output shaft 108 utilizes the driving force of motor 115 with axle center O
2For the center is rotated.That is, be fixed on grinding pad 103 on the grinding head 113 with axle center O
2For carrying out spinning motion in the center.(for example, with reference to patent documentation 1)
Patent documentation 1: TOHKEMY 2001-293656 communique
But, in the patent documentation 1 described lapping device 100, utilize the whole face on the grinding pad 103 pair glass plate G surface bigger to grind than the appearance and size of glass plate G.At this moment only a certain amount of the whole face of glass plate is ground with predefined.But when producing than described a certain amount of dark damage and ripple in the part, existence can't remove described damage by grinding and ripple produces residual this problem (hereinafter referred to as " grinding residual ").In addition, there is the situation that produces local damage in grinding and in the carrying.Grind residual and damage utilizes lapping device 100 once more glass plate G to be carried out whole grinding when producing, so efficient is low.
Summary of the invention
The present invention makes in view of this situation, its purpose is, the manufacturing installation and the manufacture method of local lapping device of a kind of glass plate and Ginding process, glassware are provided,, make the grinding stay in grade thus and enhance productivity only to defective and carry out part on every side and grind by detecting defective such as damage and ripple in advance.
In order to realize described purpose, the present invention is characterized in that possessing: workbench is used to adsorb fastening glass panels; Grinding pad is used to grind the surface that is fixed on the described glass plate on the described workbench, and appearance and size is less than the appearance and size of described glass plate; Driver element makes described grinding pad carry out revolution motion when carrying out spinning motion, and makes described grinding pad carry out oscillating motion on the face direction of described glass plate; The lapping liquid feed unit is supplied with lapping liquid between described glass plate and described grinding pad; Detecting unit detects the defective of described glass pane surface; And control module, utilize described driver element that described grinding pad is moved and to this defective and grind to the position of detected described defective on every side.
According to the present invention, will be absorbed and fixed on the workbench by the glass plate that detecting unit detects blemish.Being adsorbed fixing glass plate is ground by the grinding pad of the appearance and size littler than the appearance and size of glass plate.At this moment, utilize driver element to make grinding pad to moving, and supply with lapping liquid and grind by the lapping liquid feed unit by the position of the detected defective of detecting unit.When grinding pad grinds, carry out revolution motion when utilizing driver element to carry out spinning motion, and on the face direction of glass plate, carry out oscillating motion.
Thus,,, can not remove defective yet, obtain the grinding quality of wishing effectively even do not carry out whole grinding only to defective and carry out the part on every side and grind for glass plate.Thus, production efficiency is improved.
In addition, according to the present invention, grinding pad carries out revolution motion when carrying out spinning motion, and carries out oscillating motion on the face direction of glass plate, can make abradant surface level and smooth thus.Below, its reason is described.
In the present invention, grinding pad carries out revolution motion when carrying out spinning motion.The result that Figure 10 (b) expression only utilizes the spinning motion of grinding pad to grind the glass plate with local defect shown in Figure 10 (a), Figure 10 (d) are illustrated in increases revolution motion (Figure 10 (c): the revolution radius r 1) result when grinding on the spinning motion.Thus, compare the surface of the glass plate that the spinning motion that only utilizes grinding pad grinds, increase the recruitment of the grinding scope of revolution radius r 1, shown in Figure 10 (d), it is level and smooth that abradant surface becomes.
In addition, in the present invention, grinding pad carries out oscillating motion on the face direction of glass plate.Figure 10 (f) is illustrated in spinning motion and revolution motion (revolution radius r 1) is gone up increase oscillating motion (Figure 10 (e): the result when grinding oscillating stroke L).Thus, increase the recruitment of the grinding scope of the oscillating stroke L shown in Figure 10 (e), shown in Figure 10 (f), can make abradant surface more level and smooth.
As above, according to the present invention, even only to the defective of glass pane surface and carry out local situation of grinding on every side, abradant surface is also level and smooth, the grinding quality that can obtain wishing.
In addition, the present invention preferably possesses: a plurality of recesses, adsorb the lip-deep described glass plate that is arranged on described workbench; And supply unit, by the control of described control module, make described glass plate not be configured on the described recess and be adsorbed under the fixing state and carry in described defective.
According to the present invention, on the workbench of absorption fastening glass panels, be formed with a plurality of recesses of absorption usefulness.Glass plate is transported on the workbench by supply unit, and is fixing by recess absorption, utilizes grinding pad to grind.At this moment, by control module control supply unit, be not configured in by the detected defective of detecting unit mode on the recess with glass sheets to workbench.Thus, the part of the position that the defective of glass plate existed when defective was ground can not be deformed into concavity at recess, grinds inhomogeneously so can not produce, and can keep high grinding quality.
In addition, among the present invention, can the described workbench of horizontal arrangement, and above this workbench the described grinding pad of configuration.
According to the present invention, make abradant surface (surface) towards the top and the grinding pad that is absorbed and fixed at the top of glass plate by being disposed at workbench on the workbench grind from the top, thus, keep stable grinding quality.
In addition, among the present invention, can the described workbench of horizontal arrangement, and below this workbench the described grinding pad of configuration.In addition, the present invention preferably is provided with the liquid dish that is used to accept described lapping liquid around described grinding pad.
According to the present invention, the glass plate that abradant surface (surface) is absorbed and fixed at towards the below on the workbench that reverses up and down grinds from the below by the grinding pad that is disposed at the workbench below.The lapping liquid that uses when grinding can not piled up in whole diffusion of glass pane surface, but flows down, and is reclaimed by the liquid dish around the grinding pad.Thus, the partly abrading glass plate partly that does not need to grind of glass plate can be do not polluted, high grinding quality can be kept.
In addition, the present invention preferably possesses whole lapping device of glass plate that the whole face to described glass plate grinds.
According to the present invention, in the preceding operation of the lapping device that grinds partly or back operation, possesses the lapping device that the whole face of glass plate is ground.Because the local lapping device that grinds is in the preceding operation of the lapping device that grinds whole, so, the more whole face of glass plate is ground by the detected defective of detecting unit and after carrying out the part grinding on every side in advance.In addition, because the lapping device that grinds partly is in the back operation of the lapping device that grinds whole, thus even have after grinding whole and grind residually, also detect defective by detecting unit, to defective and carry out part grinding on every side.Thus, do not produce and grind residually, or do not need to grind once more whole, can make grinding object matter stable, enhance productivity.
In addition, among the present invention, can be with respect to the described workbench of horizontal direction tilted configuration, the described grinding pad of relative configuration with this workbench.Because tilted configuration workbench and grinding pad, thus can make the local lapping device of glass plate the space save spaceization is set.When establishing horizontal line and be 0 °, the tilt angle theta of workbench is 0 °＜θ≤90 °.
As described above, according to the manufacturing installation of the local lapping device of glass plate of the present invention, the local Ginding process of glass plate, glassware, and the manufacture method of glassware, by detecting damage and defective such as ripple in advance and to defective and carry out part grinding on every side, can make grinding object matter stable, enhance productivity.
Description of drawings
Fig. 1 is the stereogram of the structure of expression local lapping device of the present invention;
Fig. 2 is the side view of the structure of the local lapping device of expression;
Fig. 3 is the side view of the grinding head of the local lapping device of expression;
Fig. 4 is the stereogram of structure of the local lapping device of the other embodiment of expression;
Fig. 5 is the side view of grinding head of the local lapping device of the other embodiment of expression;
Fig. 6 is the side enlarged drawing of the state of expression absorption glass plate;
Fig. 7 is the flow chart of the manufacturing process of expression glassware;
Fig. 8 is a stereogram of representing the structure of continous way lapping device in the past;
Fig. 9 is a side view of representing the grinding head of continous way lapping device in the past;
Figure 10 is the different sectional view of expression based on the abradant surface of revolution motion, oscillating motion;
Figure 11 be workbench and grinding pad tilted configuration local lapping device want portion's side view;
Figure 12 is the side view of the other embodiment of expression grinding head;
Figure 13 is the key diagram that the grinding state of the glass plate that is deformed into protruding curved grinding pad downwards and obtains is used in expression.
The specific embodiment
Below, with reference to the accompanying drawings, to the manufacturing installation of the local lapping device of glass plate of the present invention, the local Ginding process of glass plate, glassware, and the preferred implementation of the manufacture method of glassware describe.
As whole lapping device 7, whole the lapping device that the grinding pad of can configuration using bigger than the appearance and size of glass plate appearance and size carries out the grinding of whole of glass plate.In addition, can dispose lapping device as described below: the throughput direction zigzag configuration (zigzag alignment) along glass plate G has a plurality of grinding pads of the profile littler than glass plate G, and utilizes a plurality of grinding pads that the whole face of glass plate G is ground.
As shown in Figure 3, be provided with a pair of guide pad 8,8 in the bottom of workbench 2, this guide pad 8,8 fastens with the pair of guide rails 10,10 that is arranged on the base station 9 sliding freely.In addition, be fixed with tooth bar 11, tooth bar 11 and pinion 12 engagements in the lower central portion of workbench 2 along the length direction of workbench 2.Pinion 12 rotation is supported on the base station 9 freely, and links with the output shaft of not shown motor, utilizes the driving force of motor to be rotated.
Be provided with absorption layer 13 on the top of workbench 2, the back side of absorption layer 13 is connected with not shown attraction unit.Absorption layer 13 is formed by resin etc., and the front is provided with recesses such as the groove that is used to adsorb glass plate G and hole.Thus, glass plate G is absorbed and fixed on the workbench 2, and tooth bar 11 is fed by pinion 12, carries glass plate G with fixing speed to arrow A direction shown in Figure 1.
Grinder 3 is arranged on the top of workbench 2, has the main shaft (being equivalent to outer shaft) 14 with workbench 2 quadratures.Main shaft 14 is supported in casing 16 freely via bearing 15,15 rotations.Casing 16 is fixed in rotation revolution portion main body 17.
On main shaft 14, be formed with axle center O
2Be the inserting hole 14A of central shaft, described axle center O
2Axle center O with respect to main shaft 14
1Eccentric.At the slotting output shaft (being equivalent to interior axle) 18 that is connected with of inserting hole 14A, output shaft 18 is with the central shaft and the axle center O of output shaft 18
2Consistent mode is supported on the main shaft 14 freely via bearing 19,19 rotations.
Perimembranous is provided with gear 20 on main shaft 14.Gear 21 links via axle 22 and gear 21 with gear 20 engagements, gear 23.In addition, output gear 25 is via idle pulley 24 and gear 23 engagements, and output gear 25 is fixed on revolution with on the output shaft 27 of motor 26.Thus, revolution reduces via gear 25 → 24 → 23 → 21 → 20 with the driving force of motor 26 and passes to main shaft 14, so main shaft 14 rotates with the regulation rotating speed.Like this, during main shaft 14 rotations, output shaft 18 is along the axle center O with main shaft 14
1For the circumference at center revolves round the sun.
Forming circular grinding head 28 links via the bottom of swivel coupling 29 with output shaft 18.Grinding head 28 is made of support plate 30, air spring 31, stacked rubber 32, abrasive sheet fixed part 33 etc., and absorption is fixed with the abrasive sheet 35 that grinding pad 34 has been installed on abrasive sheet fixed part 33.
Grinding pad 34 is formed by materials such as foaming polyurethane pads, forms the little appearance and size of appearance and size than the glass plate G that grinds object.Grinding pad 34 forms round-shaped, and its diameter is preferably φ 35～φ 600mm, more preferably φ 25～φ 350mm.When the diameter of grinding pad 34 surpassed φ 600mm, device maximization and installation cost, parts took increase.
Abrasive sheet fixed part 33 utilizes stacked rubber 32 can install drivingly on support plate 30 horizontal directions.Be provided with as the lapping liquid path 36 of lapping liquid feed unit in the inside of abrasive sheet fixed part 33 and be used for the fixedly air flue 37 of abrasive sheet 35 of vacuum suction.Lapping liquid path 36 is connected with not shown grinding liquid bath via swivel coupling 29, supplies with the lapping liquid that comprises free abrasives such as cerium oxide or zirconia when grinding between grinding pad 34 and glass plate G.Air flue 37 is connected vacuum suction abrasive sheet 35 via swivel coupling 29 with not shown vacuum generation source.
Above-mentioned grinding pressure is preferably 0.1～30KPa, 5～20KPa more preferably, preferred especially 10～15KPa.
Above-mentioned grinding pressure is during less than 0.1KPa, and the grinding rate reduces.When surpassing 30KPa,, fill up easy deterioration according to pad and grinding condition.
The upper end that is connected with the output shaft 18 of grinding head 28 in the bottom is connected with the output shaft 40 of motor 39 with rotation on being fixed in rotation revolution portion main body 17 via Hooks coupling universal coupling 38.With under the driving force effect of motor 39, output shaft 18 is with axle center O in rotation
2For the center is rotated, grinding head 28 is with axle center O
2For carrying out spinning motion in the center.Output shaft 18 is along the axle center O with main shaft 14
1For the circumference at center revolves round the sun, so grinding head 28 carries out spinning motion when carrying out revolution motion.
Be provided with and make grinding head 28 carry out the main shaft 14 of spinning motion, revolution motion and the rotation revolution portion main body 17 of output shaft 18 is installed on the X workbench 42 that is arranged at X shifting axle 41.X shifting axle 41 is the straight moving shifting axles that are made of ball-screw and drive motor etc., and rotation revolution portion main body 17 is carried out oscillating motion on arrow directions X shown in Figure 3.
The revolution radius is preferably 5～300mm, more preferably 30～60mm.This be because, if surpass 300mm, the size of the grinding pad that then needs is at least 600mm, device maximizes, if not enough 5mm, then the relative velocity of grinding pad and glass reduces, grinding efficiency reduces.
The oscillating stroke of XY direction is preferably 5～50mm, and more preferably 20～40mm is preferably 30mm especially.This is because if surpass 50mm, then need more large-scale grinding pad.This is because if not enough 5mm, the glass pane surface after then grinding becomes unsmooth.
In the present invention, defective and periphery thereof are carried out the part when grinding, preferred abrasive areas is for being the zone of center radius 50～315mm with the defective, and the zone of 150～250mm more preferably is preferably the zone of 200～250mm especially.This is that the variation of the depth direction of abrasive areas increases because when grinding not enough 50mm regional, and the smoothness of glass plate becomes problem.
As shown in Figure 1, the grinder 3 of Gou Chenging is fixed on a pair of pillar 43,43 that is arranged at both sides as mentioned above, and passes through the not shown piston lifting moving of ground jack 44,44.Thus, the grinder 3 that possesses grinding head 28 moves with respect to workbench 2 above-below directions advance and retreat.The bottom of ground jack 44,44 is equipped with Y shifting axle 54, by making ground jack 44,44 oscillating motion on Y direction shown in Figure 1, grinder 3 oscillating motion on the Y direction.
Thus, the grinding head 28 that forms with the size littler than glass plate G carries out spinning motion, revolution motion, carries out oscillating motion to directions X and Y direction simultaneously, so local abrading glass plate G, and local means of abrasion periphery forms smoothly.
In addition, also can utilize tooth bar 11 and pinion 12 to make workbench 2 swings to the oscillating motion of Y direction, thereby make glass plate G swing.
Below, the structure of the local lapping device of the other embodiment of the present application is described.
As shown in Figure 5, the top of workbench 46 towards below be provided with a pair of guide pad 48,48, this guide pad 48,48 fastens with the pair of guide rails 50,50 that is arranged on the base station 49 sliding freely.In addition, be fixed with tooth bar 51, tooth bar 51 and pinion 52 engagements in the center upper portion portion of workbench 46 along the length direction of workbench 46.Pinion 52 is rotated and is bearing in freely on the base station 49, and is connected with the output shaft of not shown motor, utilizes the driving force of motor to be rotated.
Be provided with absorption layer 53 in the bottom of workbench 46, the back side of absorption layer 53 is connected with not shown attraction unit.Absorption layer 53 is formed by resin etc., is provided with recesses such as the groove that is used to adsorb glass plate G and hole in the front.Thus, the abradant surface of glass plate G is absorbed and fixed on the workbench 46 towards the below, and tooth bar 51 is fed by pinion 52, carries to arrow B direction shown in Figure 4 with fixing speed.
In addition, grinder 47 is fixed on a pair of pillar 43,43 that is arranged at both sides, and pillar 43,43 utilizes the not shown piston lifting moving of ground jack 55,55. Ground jack 55,55 is separately fixed on the Y shifting axle 54,54, utilizes 54,54 oscillating motions on the Y direction of Y shifting axle.
Thus, possess grinder 47 oscillating motion on the Y direction of grinding head 28, simultaneously with respect to workbench 46 above-below direction enterprising retire moving.In addition, also can make workbench 46 swings to the oscillating motion of Y direction, thereby make glass plate G swing by utilizing tooth bar 51 and gear 52.
In addition, at the liquid dish 56 that is provided with the lapping liquid after accepting to grind around the grinding pad 34 of local lapping device 45.Grind employed lapping liquid and can whole diffusion not pile up but flow down, reclaim and utilize again by liquid dish 56 on glass plate G surface.
That is, in local lapping device 45, also under the deadweight effect of lapping liquid, be dropped in the liquid dish 56 attached to the lapping liquid on the glass plate G.Therefore, do not compare from the local lapping device 1 shown in Figure 1 of glass plate G drippage with lapping liquid, the yield of the lapping liquid of local lapping device 45 increases.Therefore, the lapping liquid that has reclaimed can re-use, so compare with local lapping device 1, local lapping device 45 can reduce the use amount of lapping liquid.
Thus, local lapping device 45 is the same with local lapping device 1 shown in Figure 1, the grinding head 28 that forms with the size littler than glass plate G carries out spinning motion, revolution motion, simultaneously to the directions X oscillating motion, and oscillating motion on the Y direction, so local abrading glass plate G, and local means of abrasion periphery is formed smoothly.In addition, grinding head 28 is towards the top, and glass plate G is towards the below.Therefore, the lapping liquid on the glass plate G can not piled up in the whole diffusion in glass plate G surface, but flows down around grinding pad 34, can not pollute the partly local abrading glass plate G that need not grind of glass plate G.
In addition, near grinder 3, grinder 47, possess not shown refine plate and high pressure trimming device, grind number of times or per stipulated time, carry out refine, the finishing operation of grinding pad 34 in every regulation.
Below, the local Ginding process of glass plate is described.
At first, the glass plate G that makes via each device is transported to whole lapping device 7 by supply unit 5 shown in Fig. 2 (a), and by the grinding pad with appearance and size bigger than the appearance and size of glass plate G whole face is ground.
In addition, the situation of whole grinding of continous way lapping device is to have the throughput direction zigzag configuration of a plurality of grinding pads of the profile littler than glass plate G along glass plate G, to utilize a plurality of grinding pads that the whole face of glass plate G is ground.
Then, cleaned by not shown decontaminating apparatus, carry and pass through the below of detecting unit 4 by supply unit by the glass plate G of whole grinding.At this moment, the checkout gear of optical profile type is that detecting unit 4 utilizes laser etc. to detect the position, size etc. of defectives such as the damage on surface of glass plate G and ripple, by control module 6 storage and detected damage and the relevant data of ripple.
Confirmed that by detecting unit 4 the glass plate G of defective is transported on the absorption layer 13 of local lapping device 1 or on the absorption layer 53 of local lapping device 45 and be adsorbed fixing.
At this moment, control module 6 is controlled supply unit 5 based on the position data of defective D and is carried glass plate G, so that the defective D of glass plate G is not configured in the recess 57 of formed absorption usefulness on absorption layer 13 or absorption layer 53 shown in (b) and is adsorbed fixing as Fig. 6 (a).Thus,, therefore contact and grind with grinding pad 34 reliably,, therefore can carry out high-precision grinding owing to avoided grinding residual generation even, on recess 57, also do not dispose defective D because of the attraction of recess 57 makes glass plate G slight curvature.
Then, be fixed with in the local lapping device 1 or local lapping device 45 of glass plate G, can utilize many grinders 3 or grinder 47 to carry out continuous grinding in absorption.At first, position data based on defective D, involutory at the enterprising line position of XY direction, make defective D and utilize X shifting axle 41, operate portions 2 or workbench 46 or Y shifting axle 54,54 to carry out spinning motion, revolution motion to carry out the center of oscillating stroke of grinding head 28 of oscillating motion and consistent simultaneously in the center of revolution orbit.Behind involutory position on the XY direction, make ground jack 44 or ground jack 55 flexible, thereby grinder 3 or grinder 47 are moved up and down, adjust the position of grinding head 28 with respect to glass plate G.
In the grinding head 28 of having adjusted the position, the air capacity that adjustment passes to air spring 31 utilizes lapping liquid path 36 to supply with lapping liquid between grinding pad 34 and glass plate G to become the grinding pressure of regulation.
Grinding pressure with regulation utilizes the driving force of main shaft 14 and output shaft 18 to carry out the rotation revolution motion to the grinding head 28 that glass plate G pushes grinding pad 34, utilizes X shifting axle 41 to carry out oscillating motion to directions X.In addition, glass plate G utilizes workbench 2 or workbench 46 to carry out oscillating motion to the Y direction, grinding head 28 utilizes Y shifting axle 54,54 to carry out oscillating motion to the Y direction, and glass plate G grinds according to the complex track of the rotation track of grinding pad 34, revolution track, XY track thus.
Grinding condition preferably is made as 1～10rpm with the rotation rotating speed of grinding head 28, and the revolution rotating speed is made as that the oscillating stroke that 100～400rpm, revolution radius be made as 30～60mm, XY direction is made as 20～40mm, the grinding pressure that gives grinding pad 34 is made as 10～15KPa.
Therefore glass plate G eliminates the grinding inequality that the track heterogeneity under the single movement locus causes because of grinding according to complex track.In addition, grinding pad 34 forms the appearance and size littler than the appearance and size of glass plate G, so local abrading glass plate G utilizes the oscillating motion of XY direction that local means of abrasion periphery is formed smoothly simultaneously.
Glass plate G after local the grinding utilizes not shown decontaminating apparatus to clean and makes glassware.
Like this, utilize detecting unit 4 to detect the defective of damage and ripple etc. in advance and to detected defective and carry out part on every side and grind, thereby can not remove defective again with grinding, can make that grinding object matter is stablized, the production efficiency raising whole face.
In addition, shown in Fig. 2 (b), in the preceding operation of whole lapping device 7, possess local lapping device 1 or local lapping device 45, utilize detecting unit 4 to detect dark especially damage etc. in advance and easily generate in whole grinding and grind residual position, by the local corresponding defective and on every side of grinding in advance, it is residual then can not produce whole the grinding in the grinding, can make grinding object matter stable, raise the efficiency.
Below, the manufacturing installation of glassware and the manufacture method of glassware are described.In the glassware manufacturing installation, possess melten glass manufacturing installation, forming unit, slow cooling unit, cutting unit, reach aforesaid local lapping device 1 or local lapping device 45.
Can utilize the device that has used float glass making process as melten glass manufacturing installation, forming unit, slow cooling unit, described float glass making process be make in melting furnace fusion melten glass flow into the molten metal bath that is full of molten tin, melten glass is cast on soldering tin makes average thickness, and planarization, become glass tape, carry also slow cooling to room temperature by the annealing kiln roller in the leer (lehr roller).
As utilizing such glassware manufacturing installation to make the method for glassware, at first, make melten glass (step S1 shown in Figure 7) by the various raw materials of melting furnace fusion.
Fusion melten glass flow into molten metal bath.Be full of molten tin in the molten metal bath, the melten glass that flow into molten metal bath is drawn on soldering tin and is become the thickness of regulation, and planarization, is configured as glass tape (step S2).
Be provided with at the back segment of molten metal bath and glass tape to be pulled out from molten metal bath and send into the runner of leer.By driving this runner, the melten glass that will draw on the tin liquor of molten metal bath pulls to the direction of leer, and the while becomes the band shape of certain width in the downstream of molten metal bath and advances.Form banded glass (glass tape) and sent into leer, carry also slow cooling to room temperature by the annealing kiln roller in the leer from molten metal bath.Thus, the residual stress homogenization (step S3) that will produce in the time of will in molten metal bath, forming band shape.
Utilize shearing device to be cut to the glass plate (step S4) of given size by the glass tape behind the leer.
Glass plate after the cut-out is transported to local lapping device 1 or local lapping device 45 by supply unit 5 and grinds, and makes the glassware (step S5) that satisfies rated condition thus.
As described above, according to the local lapping device of glass plate of the present invention, the local Ginding process of glass plate, glassware manufacturing installation, and the manufacture method of glassware, detect defectives such as damage and ripple in advance, and to detected defective and carry out the part on every side and grind, can not remove defective thereby do not carry out whole grinding yet, obtain stable height at short notice and grind quality.Thus, production efficiency is improved.
Figure 11 be the other embodiment of expression local lapping device 60 structure want portion's side view.When the structure of this part lapping device 60 is described, the label identical with local lapping device 1 identical or similar parts mark shown in Figure 3 described.
According to local lapping device 60 shown in Figure 11, workbench 2 relative horizontal direction tilted configuration, grinding pad 34 with remain in this workbench 2 on absorption layer 13 relative configurations.
As this part lapping device 60, if make workbench 2 and grinding pad 34 tilted configuration, then can make viewed in plan local lapping device 60 the space save spaceization is set.In addition, when horizontal line was made as 0 °, the tilt angle theta of workbench 2 was 0 °＜θ≤90 °.
Figure 12 has represented to show the side view of grinding head 70 of the other embodiment of grinding head.This grinding head 70 by support plate 72, center air spring 74, periphery air spring 76, and abrasive sheet fixed part 78 etc. constitute.Absorption is fixed with the abrasive sheet 82 that grinding head 80 has been installed on abrasive sheet fixed part 78.
In addition, though not shown among Figure 12, center air spring 74, and periphery air spring 76 be connected with air pump separately.From air pump when center air spring 74 is supplied with compressed air, because of center air spring 74 expands, so give grinding pressure via abrasive sheet 82 to the central portion of grinding head 80 from abrasive sheet fixed part 78.In addition, from air pump when periphery air spring 76 is supplied with compressed air, because of periphery air spring 76 expands, so give grinding pressure via abrasive sheet 82 to the peripheral part of grinding pad 80 from abrasive sheet fixed part 78.
The swell increment of center air spring 74 is made as swell increment than periphery air spring 76 when big, and the areal deformation of grinding pad 80 is a protruding curved surface shape downwards.Utilize Figure 13 that the grinding state of the glass plate G that the grinding pad 80 of this state of use obtains is described.At first, the result that Figure 13 (b) expression only utilizes the spinning motion of the grinding pad with the abradant surface on the curved surface to grind to the glass plate with local defect shown in Figure 13 (a), Figure 13 (d) are illustrated in increases revolution motion (Figure 13 (c): the revolution radius r 1) result of the situation of grinding on the spinning motion.Under this situation, compare with the surface of the glass plate that only grinds under the spinning motion of grinding pad, increase the recruitment of the grinding scope of revolution radius r 1, abradant surface becomes level and smooth shown in Figure 13 (d).In addition, Figure 13 (f) expression makes the areal deformation of grinding pad 80 become downward protruding curved surface shape, upward increase oscillating motion (Figure 13 (e): the result of the situation of grinding oscillating stroke L) at spinning motion and revolution motion (revolution radius r 1).Thus, increase the recruitment of the grinding scope of the oscillating stroke L shown in Figure 13 (e), shown in Figure 13 (f), can make abradant surface more level and smooth.
In addition, making the areal deformation of grinding pad 80 is that foregoing protruding curved method downwards is not limited to said method.
For example, when refine grinding pad 80, when periphery air spring 76 is expanded more than center air spring 74,, carry out refine to become convex curved form as its surface configuration for grinding pad 80.And, after the refine, when being set at the grinding pressure of center air spring 74 and periphery air spring 76 about equally, the surface configuration of grinding pad 80 because of the peripheral part of grinding pad 80 than central portion refine more, so become protruding curved surface shape downwards.Use such grinding pad 80, when only grinding under the spinning motion effect, shown in Figure 13 (b), it is level and smooth that the abradant surface of glass plate G becomes.In addition, on grinding head 70 spinning motions, add revolution motion and oscillating motion, thus can be more level and smooth than the abradant surface shown in Figure 13 (f).
In addition, when refine grinding pad 80, with the rotation speed setting of grinding pad 80 must be when grinding height (for example 30 times), under the state that the difference of the peripheral speed of central portion that makes grinding pad 80 and peripheral part increases, carry out refine, grinding pad 80 becomes protruding curved surface shape downwards.
As mentioned above, be downward protruding curved surface shape by the areal deformation that makes grinding pad 80, glass plate is ground, thereby can become the abradant surface more level and smooth than abradant surface shown in Figure 10.
The areal deformation of these grinding pads 80 both can be made up separately or also for downward protruding curved method.Combination is not particularly limited.
On the other hand, grinding head 70 is waved via ball bearing be connected in output shaft freely, abrading glass plate G when waving by above-mentioned relatively output shaft also can make the abradant surface of glass plate G level and smooth.
Claims (10)
1. the local lapping device of a glass plate is characterized in that possessing:
Workbench is used to adsorb fastening glass panels;
Grinding pad is used to grind the surface that is fixed on the described glass plate on the described workbench, and appearance and size is less than the appearance and size of described glass plate;
Driver element makes described grinding pad carry out revolution motion when carrying out spinning motion, and makes described grinding pad carry out oscillating motion on the face direction of described glass plate;
The lapping liquid feed unit is supplied with lapping liquid between described glass plate and described grinding pad;
Detecting unit detects the defective of described glass pane surface; And
Control module utilizes described driver element that described grinding pad is moved and to this defective and grind to the position of detected described defective on every side.
2. the local lapping device of glass plate as claimed in claim 1 wherein, possesses:
A plurality of recesses adsorb the lip-deep described glass plate that is arranged on described workbench; And
Supply unit by the control of described control module, makes described glass plate not be configured on the described recess and be adsorbed under the fixing state and carry in described defective.
3. the local lapping device of glass plate as claimed in claim 1 or 2, wherein,
Described workbench level configuration, the described grinding pad of configuration above this workbench.
4. the local lapping device of glass plate as claimed in claim 1 or 2, wherein,
Described workbench level configuration, the described grinding pad of configuration below this workbench.
5. the local lapping device of glass plate as claimed in claim 4, wherein,
Around described grinding pad, be provided with the liquid dish that is used to accept described lapping liquid.
6. the local lapping device of glass plate as claimed in claim 1 or 2, wherein,
The relative horizontal direction tilted configuration of described workbench, described grinding pad relative with this workbench to and dispose.
7. as the local lapping device of each described glass plate in the claim 1～6, wherein,
Possess whole lapping device of glass plate that the whole face to described glass plate grinds.
8. the local Ginding process of a glass plate, wherein,
Utilize in the claim 1～7 the local lapping device of each described glass plate that glass plate is ground.
9. the manufacturing installation of a glassware wherein, possesses: the melten glass manufacturing installation; With the forming of glass after the fusion is the forming unit of glass tape; The slow cooling unit that glass tape after being shaped is carried out slow cooling; Glass tape after the slow cooling is cut into the cutting unit of the glass plate of regulation shape; And the local lapping device of each described glass plate in the claim 1～7.
10. the manufacture method of a glassware, wherein,
Utilize the manufacturing installation of glassware as claimed in claim 9 to make glassware.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
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| JP2009215936 | 2009-09-17 | ||
| JP2009-215936 | 2009-09-17 | ||
| JP2010-160841 | 2010-07-15 | ||
| JP2010160841A JP5605554B2 (en) | 2009-09-17 | 2010-07-15 | Glass plate local polishing apparatus, glass plate local polishing method, glass product manufacturing apparatus, and glass product manufacturing method |
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| CN102019580A true CN102019580A (en) | 2011-04-20 |
| CN102019580B CN102019580B (en) | 2015-01-21 |
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| KR (1) | KR101800012B1 (en) |
| CN (1) | CN102019580B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102019580B (en) | 2015-01-21 |
| KR101800012B1 (en) | 2017-11-21 |
| KR20110030407A (en) | 2011-03-23 |
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