CN204039250U - Device for producing glass sheet - Google Patents
Device for producing glass sheet Download PDFInfo
- Publication number
- CN204039250U CN204039250U CN201420463412.4U CN201420463412U CN204039250U CN 204039250 U CN204039250 U CN 204039250U CN 201420463412 U CN201420463412 U CN 201420463412U CN 204039250 U CN204039250 U CN 204039250U
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- CN
- China
- Prior art keywords
- glass
- sheet
- glass ribbon
- machine
- thickness
- 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.)
- Expired - Lifetime
Links
- 239000011521 glass Substances 0.000 title claims abstract description 86
- 239000005357 flat glass Substances 0.000 claims abstract description 58
- 238000005259 measurement Methods 0.000 claims abstract description 17
- 238000009826 distribution Methods 0.000 claims abstract description 16
- 238000005520 cutting process Methods 0.000 description 29
- 230000007547 defect Effects 0.000 description 20
- 238000007667 floating Methods 0.000 description 11
- 238000001514 detection method Methods 0.000 description 10
- 238000005452 bending Methods 0.000 description 9
- 238000006073 displacement reaction Methods 0.000 description 8
- 208000016509 ear folding Diseases 0.000 description 6
- 238000007639 printing Methods 0.000 description 6
- 238000006124 Pilkington process Methods 0.000 description 3
- 238000007500 overflow downdraw method Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 230000001678 irradiating effect Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 241000697035 Heteropriacanthus cruentatus Species 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
A kind of device for producing glass sheet of the thickness of slab distribution that can easily measure on the width of glass ribbon is provided.This device for producing glass sheet has: main transporter, and the longitudinal direction of the glass ribbon of strip shape along this glass ribbon is carried by it; Stapling machine, this glass ribbon carried by this main transporter cuts off and makes sheet glass by it; Secondary transporter, the width of this sheet glass along this glass ribbon is carried by it, and measurement of plate thickness machine, and it measures the thickness of slab distribution on this width of this sheet glass carried by this secondary transporter.
Description
Technical field
The utility model relates to a kind of device for producing glass sheet.
Background technology
Device for producing glass sheet have by the glass ribbon of strip shape along its longitudinally carrying main transporter, the glass ribbon utilizing main transporter carrying cut off and obtains the stapling machine of sheet glass and the secondary transporter (for example, see patent documentation 1) along the width moving glass plate of glass ribbon.
As the manufacturing process of glass ribbon, such as, there are float glass process, fusion method etc.Float glass process is by supplying melten glass continuously and make melten glass eye horizontal direction flow thus make it be configured as strip shape on molten metal on molten metal (such as molten tin).Fusion method is also referred to as overflow downdraw, by make from groove to the left and right the melten glass that overflows of both sides to flow down along the left and right sides of groove and make melten glass collaborate in the lower end of groove flow further thus make it be configured as strip shape downwards.
The pre-determined direction flowing of glass ribbon one edge, is gradually cooled as it passes through the cooler and solidifies.In order to not make glass ribbon shrink in the width direction due to surface tension before curing, the both ends in the wide cut direction of glass ribbon, by pressings such as rollers, apply tension force in the width direction to glass ribbon.
Glass ribbon has thicker ear at the both ends of its width, has thinner par each other in ear.Utilize stapling machine the ear of glass ribbon to be excised, the par of glass ribbon is used as sheet glass.
< prior art document >
< patent documentation >
Patent documentation 1:(Japan) JP 2008-70324 publication
Utility model content
< the utility model wants the problem > solved
The thickness of slab of sheet glass is slightly uneven on the width of glass ribbon.
In the past, the thickness distribution of sheet glass is measured by the sampling check of sheet glass, and this mensuration is more bothersome.
In view of the above problems, its main purpose is the utility model: the device for producing glass sheet providing a kind of thickness of slab distribution that can easily measure on the wide cut direction of glass ribbon.
The means > of < for solving the problem
In order to solve the problem, according to an embodiment of the present utility model, provide a kind of device for producing glass sheet, it has: main transporter, and the longitudinal direction of the glass ribbon of strip shape along described glass ribbon is carried by it; Stapling machine, the described glass ribbon carried by described main transporter cuts off and makes sheet glass by it; Secondary transporter, the width of described sheet glass along described glass ribbon is carried by it, and measurement of plate thickness machine, and it measures the thickness of slab distribution on the described width of the described sheet glass carried by described secondary transporter.
< effect > of the present utility model
According to an embodiment of the present utility model, a kind of device for producing glass sheet of the thickness of slab distribution that can easily measure on the wide cut direction of glass ribbon can be provided.
Accompanying drawing explanation
Fig. 1 is the figure of the device for producing glass sheet from a top view embodiment of the present utility model.
Nomenclature
10 main transporters
20 detection of defects machines
30 stapling machines
40 secondary transporters
50 measurement of plate thickness machines
60 vertical folding machines
70 printing press
Embodiment
Below, with reference to accompanying drawing, embodiment of the present utility model is described.In the various figures, for identical or corresponding structure, also the description thereof will be omitted to give identical or corresponding symbol.
Fig. 1 is the figure of the device for producing glass sheet from a top view embodiment of the present utility model.In FIG, X-direction is the longitudinal direction of glass ribbon 2, and Y-direction is the width of glass ribbon.X-direction and Y-direction are mutually orthogonal direction.
As shown in Figure 1, device for producing glass sheet has main transporter 10, detection of defects machine 20, stapling machine 30, secondary transporter 40, measurement of plate thickness machine 50, vertical folding machine 60, printing press 70, adopts trigger 80 and controller 90 etc.
The glass ribbon 2 of main transporter 10 plate for carrying band shape in X direction.Glass ribbon 2 is by the shaping such as float glass process, fusion method.Glass ribbon 2 in the Y direction both ends has thicker ear, has thinner par each other in ear.
Such as shown in Figure 1, main transporter 10 has main roller conveyor 11, main floating table 12 and main band conveyor 13.
Main roller conveyor 11 has the electric motor etc. vacated spaced multiple roller in X direction and each roller is rotated.By drivingmotor, each roller is rotated, glass ribbon 2 is handled upside down in X direction.Glass ribbon 2 cuts off at cut-off machine 30 in way of being carried by main roller conveyor 11, obtains sheet glass 4.The velocity of rotation of multiple roller can be controlled independently, to form interval each other at sheet glass 4.
Main floating table 12 is disposed in carrying direction (X-direction) downstream side of main roller conveyor 11.Main floating table 12, facing to sheet glass 4 jet flow stream from below, utilizes the pressure of this gas that sheet glass 4 is floated.Multiple jet orifices of gas are formed at the upper surface of main floating table 12.
Main band conveyor 13 carries out support to the sheet glass 4 floated by main floating table 12 from below on one side and carries in X direction on one side.Do not change in the horizontal plane of sheet glass 4 towards, namely do not make sheet glass 4 in horizontal plane rotationally yet, sheet glass 4 is transported to secondary band conveyor 42 from main band conveyor 13 by diagonal band conveyor 14.
The defect of detection of defects machine 20 to the glass ribbon 2 carried by main transporter 10 (the main roller conveyor 11 in Fig. 1) checks.Detection of defects machine 20 detects the presence or absence, position, size, kind etc. of defect.As the kind of defect, scar, bubble, foreign matter etc. can be enumerated.
Detection of defects machine 20 is such as made up of photographic camera and image processing apparatus, and the image of this photographic camera to the glass ribbon 2 carried in X direction by main transporter 10 is taken, and this image processing apparatus carries out image procossing to the image captured by photographic camera.According to the change of the brightness of image, defect can be detected.
Defect information (information such as presence or absence, position, size, kind of such as defect) is outputted to controller 90 by image processing apparatus.It should be noted that, in the present embodiment, be respectively equipped with image processing apparatus and controller 90, but controller 90 also can have image processing apparatus concurrently.
It should be noted that, detection of defects machine 20 can be made up of light source and photo detector, and this light source irradiates light to glass ribbon 2, and this photo detector accepts from the scattered light of glass ribbon 2, reflected light or transmitted light.According to the change etc. of light reception intensity, defect can be detected.
Stapling machine 30 cuts off the glass ribbon 2 carried in X direction by main transporter 10 (the main roller conveyor 11 in Fig. 1) and makes sheet glass 4.Check result etc. according to detection of defects machine 20 determines off-position, obtains the sheet glass 4 of sizes.
Such as shown in Figure 1, stapling machine 30 has slitter 31, transverse cutting unit 32, cross break machine 32, ear folding machine 34 etc.Slitter 31, transverse cutting unit 32, cross break machine 33, ear folding machine 34 arranges along carrying direction by this order.
Slitter 31 forms the rip cutting secant 2a being parallel to X-direction on the upper surface of the glass ribbon 2 carried in X direction.The drive unit 32b etc. that slitter 31 has cutting knife 31a and cutting knife 31a is moved up and down.Drive unit 31b is made up of electro-motor or oil cylinder etc., by cutting knife 31a by the upper surface of glass ribbon 2, forms rip cutting secant 2a.It should be noted that, for slitter 31, also can replace cutting knife 31a, utilize laser to form rip cutting secant 2a.
Slitter 31 is vacated interval in the Y direction and is had multiple machining cell, and this machining cell is made up of cutting knife 31a and drive unit 31b.Multiple drive unit 31b is independently controlled, and multiple cutting knife 31a moves up and down independently.Rip cutting secant 2a can be formed on the ear of glass ribbon 2 and the border of par, also can be formed on par.
Transverse cutting unit 32, on the upper surface of the glass ribbon 2 carried in X direction, forms the crosscut secant 2b being parallel to Y-direction.The drive unit 32b etc. that transverse cutting unit 32 has cutting knife 32a and cutting knife 32a is moved up and down.Cutting knife 32a, to be moved along guide portion 32c by by under the state on the upper surface of glass ribbon 2, forms crosscut secant 2b.Guide portion 32c is arranged sideling relative to X-direction and Y-direction.Crosscut secant 2b is formed from an ear of glass ribbon 2 continuously to another ear.It should be noted that, for transverse cutting unit 32, also can replace cutting knife 32a, utilize laser to form crosscut secant 2b.
Cross break machine 33 pairs of glass ribbon 2 stress applications, cut off glass ribbon 2 along crosscut secant 2b.Such as, cross break machine 33 cuts off glass ribbon 2 by 3 bendings centered by crosscut secant 2b.Thus, the sheet glass 3 being with ear is obtained.It should be noted that, for cross break machine 33, also can replace 3 bendings, utilize 4 bendings or laser radiation to cut off glass ribbon 2.
Ear folding machine 34 is to sheet glass 3 stress application of band ear, and the rip cutting secant 2a along the border of ear and par cuts off sheet glass 3, the sheet glass 4 of making earless.As shown in Figure 1, when the par at glass ribbon 2 being formed with rip cutting secant 2a, this rip cutting secant 2a intactly stays on sheet glass 4.
Such as, ear folding machine 34 utilizes 3 bendings centered by the rip cutting secant 2a on the border of ear and par to cut off sheet glass 3.It should be noted that, for ear folding machine 34, also can replace 3 bendings, cut off sheet glass 3 by 4 bendings or laser radiation.
It should be noted that, the order of slitter 31, transverse cutting unit 32, cross break machine 33, ear folding machine 34 can be varied.Such as, transverse cutting unit 32 can be arranged after ear rolls over machine 34.By after the ear of removing glass ribbon 2, the par of glass ribbon 2 is formed crosscut secant, thus the variation of the pressing force for glass ribbon 2 of cutting knife 32a can be suppressed.
Secondary transporter 40 is along Y-direction moving glass plate 4.Secondary transporter 40 can be vacated in X direction and be interval with multiple (only illustrating one in FIG), carries the sheet glass 4 of different size by each secondary transporter 40.Such as shown in Figure 1, each secondary transporter 40 has secondary floating table 41, secondary band conveyor 42 and secondary roller conveyor 43 etc.
Secondary floating table 41 pairs of sheet glass 4 jet flow stream from below, utilizes the pressure of this gas that sheet glass 4 is floated.The upper surface of secondary floating table 41 is formed multiple jet orifices of gas.Secondary floating table 41 is arranged respectively with main floating table 12 in FIG, but also can arrange integratedly.
Secondary band conveyor 42 supports the sheet glass 4 one edge Y-direction carrying of being floated by secondary floating table 41 on one side from below.Secondary band conveyor 42 collects sheet glass 4 from main band conveyor 13 by diagonal band conveyor 14, carries along Y-direction.
Secondary roller conveyor 43 is disposed in the downstream side in the carrying direction (Y-direction) of secondary band conveyor 42.Secondary roller conveyor 43 has the electric motor etc. vacated spaced multiple roller along Y-direction and each roller is rotated.By drivingmotor, roller is rotated, sheet glass 4 is carried by along Y-direction.
Measurement of plate thickness machine 50 to secondary transporter 40 (the secondary band conveyor 42 in Fig. 1) measure along the thickness of slab of sheet glass 4 of Y-direction carrying.Measurement of plate thickness machine 50 by measuring the thickness of slab continuously or intermittently of the sheet glass 4 by measurement of plate thickness machine 50, thus easily can measure the distribution of thickness of slab in the Y direction of sheet glass 4.Therefore, it is possible to carry out the exhaustive test of thickness of slab distribution.It should be noted that, the sampling check of thickness of slab distribution can certainly be carried out.
Measurement of plate thickness machine 50 such as comprises laser displacement gauge 51.Laser displacement gauge 51 pairs of sheet glass 4 irradiating lasers, utilize the reflected light from the upper surface of sheet glass 4 and the path difference from the reflected light of the lower surface of sheet glass 4 to measure the thickness of slab of sheet glass 4.Laser displacement gauge 51 can vacate in the X direction be spaced multiple.
It should be noted that, in the mensuration of thickness of slab, employ laser displacement gauge 51, but also can use the various sensors (ultrasonic type displacement gauge, static capacitive displacement gauge, contact displacement gauge etc.) beyond laser displacement gauge 51.The number of sensor can be more than 1.The thickness of slab distribution in the Y-direction of sheet glass 4 can be measured.Be spaced multiple sensor as long as vacate in the X direction, just can also measure the inequality of the thickness of slab in the X-direction of sheet glass 4.
The sheet glass 4 carried along Y-direction by secondary transporter 40 (the secondary roller conveyor 43 in Fig. 1), the edge rip cutting secant 2a be formed on the par of glass ribbon 2 cut off by vertical folding machine 60, make multiple (such as two) dividing glass sheets 5,6.Such as, vertical folding machine 60 cuts off sheet glass 4 by 3 bendings centered by rip cutting secant 2a.It should be noted that, for vertical folding machine 60, also can replace 3 bendings, utilize 4 bendings or laser radiation to cut off sheet glass 4.When do not have on sheet glass 4 rip cutting secant 2a, also namely non-dividing glass sheets 4 time, vertical folding machine 60 can not have yet.
Printing press 70 prints identifying information or quality information in each dividing glass sheets 5,6.Identifying information or quality information are such as by expressions such as character, numeral, figure, barcode, QR code or its combinations.Quality information can comprise the check result of detection of defects machine 20, can also comprise the measurement result of measurement of plate thickness machine 50.
Replace printing press 70, also can use laser machine.Printing press 70 is by being coated on Identification display information or quality information on glass surface by ink, laser machine is by irradiating laser on the glass surface and process glass surface thus Identification display information or quality information.
Adopt trigger 80 dividing glass sheets 5,6 of being carried along Y-direction by secondary transporter 40 (the secondary roller conveyor 43 in Fig. 1) is transported on pallet 82.Dividing glass sheets 5,6 can be divided into salable product and unacceptable product is loaded on pallet 82.Prepare the pallet 82 of salable product and the pallet 82 of unacceptable product.The differentiation of salable product or unacceptable product carries out based on defect information (number of such as defect, size, position or kind) etc.In defect information, can comprise about thickness of slab information (such as thickness of slab whether in specification, thickness of slab is in the position etc. of the outer part of specification).Between the multiple dividing glass sheets 5,6 be loaded on each pallet 82, the sheet materials such as feeding spaced papers can be inserted.Pallet 82 is the flat pattern pallet of horizontal heap in FIG, also can be the longitudinal type pallet of vertical heap.In the situation of longitudinal type pallet, dividing glass sheets 5,6 can with respect to the horizontal plane vertically be piled up, but preferably with respect to the horizontal plane piles up sideling.
It should be noted that, thickness of slab at the upstream waste adopting trigger 80, can not be able to be loaded onto on the pallet 82 of unacceptable product at out-of-spec sheet glass 4 or its dividing glass sheets 5,6.
Controller 90 is made up of storage part and CPU etc. such as storeies, performs the program stored in memory thus carry out various control by making CPU.Such as, controller 90 to main transporter 10, detection of defects machine 20, stapling machine 30, secondary transporter 40, measurement of plate thickness machine 50, vertical folding machine 60, printing press 70, adopt trigger 80 and control.In addition, controller 90 obtains various information from detection of defects machine 20 or measurement of plate thickness machine 50.
As mentioned above, according to the present embodiment, the thickness of measurement of plate thickness machine 50 to the sheet glass 4 carried along Y-direction by secondary transporter 40 measures.Measurement of plate thickness machine 50 by measuring the thickness continuously or intermittently of the sheet glass 4 by measurement of plate thickness machine 50, thus easily can measure the thickness of slab distribution in the Y-direction of sheet glass 4.Therefore, it is possible to carry out the exhaustive test of thickness of slab distribution.It should be noted that, the sampling check of thickness of slab distribution can certainly be carried out.
The mensuration of the thickness of slab distribution in the Y-direction of sheet glass 4 can be carried out before sheet glass 4 is divided into dividing glass sheets 5,6.The thickness of slab distribution all in the Y direction of the par of glass ribbon 2 can be obtained.
Above, the embodiment of device for producing glass sheet is illustrated, but the utility model is not limited to above-mentioned embodiment, in the scope of purport of the present utility model described in utility model right requires, can various distortion, improvement be carried out.
Such as, in FIG, the thickness of measurement of plate thickness machine 50 to the sheet glass 4 carried along Y-direction by secondary band conveyor 42 measures, but also can measure the thickness of the sheet glass 4 carried along Y-direction by secondary roller conveyor 43.
Claims (1)
1. a device for producing glass sheet, it has:
Main transporter, the longitudinal direction of the glass ribbon of strip shape along described glass ribbon is carried by it;
Stapling machine, the described glass ribbon carried by described main transporter cuts off and makes sheet glass by it;
Secondary transporter, the width of described sheet glass along described glass ribbon is carried by it, and
Measurement of plate thickness machine, it measures the thickness of slab distribution on the described width of the described sheet glass carried by described secondary transporter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420463412.4U CN204039250U (en) | 2014-08-15 | 2014-08-15 | Device for producing glass sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420463412.4U CN204039250U (en) | 2014-08-15 | 2014-08-15 | Device for producing glass sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204039250U true CN204039250U (en) | 2014-12-24 |
Family
ID=52239941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420463412.4U Expired - Lifetime CN204039250U (en) | 2014-08-15 | 2014-08-15 | Device for producing glass sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204039250U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111356659A (en) * | 2017-11-15 | 2020-06-30 | 日本电气硝子株式会社 | Method and apparatus for manufacturing glass plate |
| CN115956189A (en) * | 2020-09-25 | 2023-04-11 | 日本电气硝子株式会社 | Method and apparatus for manufacturing glass plate |
-
2014
- 2014-08-15 CN CN201420463412.4U patent/CN204039250U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111356659A (en) * | 2017-11-15 | 2020-06-30 | 日本电气硝子株式会社 | Method and apparatus for manufacturing glass plate |
| CN111356659B (en) * | 2017-11-15 | 2022-03-04 | 日本电气硝子株式会社 | Method and apparatus for manufacturing glass plate |
| CN115956189A (en) * | 2020-09-25 | 2023-04-11 | 日本电气硝子株式会社 | Method and apparatus for manufacturing glass plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Tokyo, Japan Patentee after: ASAHI GLASS Co.,Ltd. Address before: Tokyo, Japan Patentee before: ASAHI GLASS Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141224 |