CN108101345A - A kind of glass substrate forming equipment adjusts system and method with integrated form thickness wind - Google Patents
A kind of glass substrate forming equipment adjusts system and method with integrated form thickness wind Download PDFInfo
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- CN108101345A CN108101345A CN201711176339.7A CN201711176339A CN108101345A CN 108101345 A CN108101345 A CN 108101345A CN 201711176339 A CN201711176339 A CN 201711176339A CN 108101345 A CN108101345 A CN 108101345A
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- Prior art keywords
- thickness
- glass substrate
- air inlet
- exhaust column
- limit area
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Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B17/00—Forming molten glass by flowing-out, pushing-out, extruding or drawing downwardly or laterally from forming slits or by overflowing over lips
- C03B17/06—Forming glass sheets
- C03B17/064—Forming glass sheets by the overflow downdraw fusion process; Isopipes therefor
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Moulding By Coating Moulds (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
A kind of glass substrate forming equipment provided by the invention adjusts system and method with integrated form thickness wind, including duct set, heating air hose and exhaust column, wherein, duct set, heating air hose and exhaust column are connected with glass substrate forming equipment, and duct set, heating air hose and exhaust column are used alternatingly according to manufacturing technique requirent；And according to the manufacturing technique requirent of glass substrate three kinds of different thickness wind is selected to adjust system, by the systematic difference, the process margin of thickness adjustment has been expanded, has added the adjusting process method of thickness, be conducive to control product quality fluctuation, improve product quality grade.
Description
Technical field
This patent belongs to glass substrate production field, and in particular to a kind of glass substrate forming equipment integrated form thickness wind
Adjust system and method.
Background technology
Overflow downdraw is that a kind of method of glass plate is produced in glass making techniques.Compared with other techniques, under overflow
Daraf(reciprocal of farad) produces the glass plate with excellent flatness and smoothness surface.As glass plate making tends to maximize, in width
Direction can reach more than 2000mm, this will ensure that the temperature of width is uniform and adjustable, the entire temperature of former
Field control is just particularly significant.Particularly in molding thickness adjustment region, it is opposite to be often present with thickness air hose counterpart substrate thickness
Situation, i.e., air quantity is maximum and thickness curve is conflicting in peak value etc. instead for zero thickness curve also in low ebb, air quantity
Situation.In order to solve similar techniques problem, a kind of integrated form thickness wind adjustment control system is devised herein.
The content of the invention
It is an object of the invention to provide a kind of glass substrate forming equipment integrated form thickness wind to adjust system and method,
Solve existing glass substrate opposite situation of the thickness air hose counterpart substrate thickness that occurs in production, i.e. air quantity maximum and thick
Line of writing music is in the defects of peak value etc. is conflicting instead also in low ebb, air quantity for zero thickness curve.
In order to achieve the above object, the technical solution adopted by the present invention is：
A kind of glass substrate forming equipment provided by the invention adjusts system with integrated form thickness wind, including duct set, adds
Hot blast pipe and exhaust column, wherein, duct set, heating air hose and exhaust column are connected with glass substrate forming equipment, and duct set,
Heating air hose and exhaust column are used alternatingly according to manufacturing technique requirent.
Preferably, duct set passes through the 3rd by the first connection flexible pipe, heating air hose by the second connection flexible pipe, exhaust column
Connection flexible pipe is connected respectively with air inlet.
Preferably, first flowmeter is provided on duct set, second flowmeter is provided on heating air hose, sets on exhaust column
Put the 3rd flowmeter.
Preferably, one end of exhaust column is openend, the other end is blind end；The openend of exhaust column is provided with exhausting
Device.
Preferably, the tube wall of heating tube is made of insulating layer, heater and heat-conducting layer, wherein, insulating layer is set to outer wall, leads
To set inner wall, heater is placed between insulating layer and heat-conducting layer thermosphere.
A kind of method of adjustment of glass substrate forming equipment integrated form thickness wind, when the thickness distribution limit area of product
Peak value beyond thickness upper end, and when the valley of thickness distribution limit area is close to thickness limit inferior deviation, then should
The air inlet of the corresponding thickness distribution limit area of peak value is connected with duct set, while by the corresponding air inlet of the valley and exhausting
Pipe is connected；
When product thickness distribution limit area valley beyond thickness limit inferior deviation, and thickness distribution limit area
When peak value is close to thickness upper end, then the corresponding air inlet of the valley and duct set is connected, while the peak value is corresponded to
Air inlet with heating air hose connect；
When the thickness distribution limit area of product is placed between thickness upper end and thickness limit inferior deviation, and in ripple
Shape wave, then：
If the deviation of peak value be more than valley deviation, by corresponding to the corresponding thickness distribution limit area of the peak value into
Air port is connected with hot blast pipe, while the air inlet corresponding to the corresponding thickness distribution limit area of the valley is connect with duct set
It is logical；
If the deviation of valley be more than peak value deviation, by corresponding to the corresponding thickness distribution limit area of the valley into
Air port is connected with exhaust column, and the air inlet corresponding to the corresponding thickness distribution limit area of the peak value and duct set are connected.
Compared with prior art, the beneficial effects of the invention are as follows：
A kind of glass substrate forming equipment provided by the invention adjusts system with integrated form thickness wind, and the system is in glass base
Cooling, heating and extractor fan are integrated on the former of plate, and three are selected according to the manufacturing technique requirent of glass substrate
The different thickness wind adjustment system of kind, by the systematic difference, adds the adjusting process means of thickness, is conducive to improve production
Quality.
The present invention also provides a kind of glass substrate forming equipment integrated form thickness wind method of adjustment, when the thickness of product
When occurring abnormal, process tuning vehicle and method have been expanded by increasing hot wind and extractor fan, has been adjusted by different combinations
It optimizes, within the scope of the minimal ripple for making thickness of glass maintenance as far as possible.
Description of the drawings
Fig. 1 is existing thickness wind adjustment system；
Fig. 2 is the front view of thickness wind adjustment system of the present invention；
Fig. 3 is the top view of thickness wind adjustment system of the present invention；
Fig. 4 is the structure diagram for heating air hose；
Fig. 5 is thickness distribution trend diagram one；
Fig. 6 is thickness distribution trend diagram two；
Fig. 7 is thickness distribution trend diagram three；
Fig. 8 is thickness distribution trend diagram four；
Wherein, 1, soaking babinet 2, blower 3, air hose crossbeam 4, the first connection flexible pipe 5, first flowmeter 6, collection
Air hose 7, second flowmeter 8, the 3rd flowmeter 9, the second connection flexible pipe 10, the 3rd connection flexible pipe 11, heating air hose 12,
Exhaust column 13, extractor fan 11-1, insulating layer 11-2, heater 11-3, heat-conducting layer 14, thickness distribution curve 15, thickness
Spend upper end 16, thickness limit inferior deviation 2-1, the first air inlet 2-2, the second air inlet 2-3, the 3rd air inlet
2-4, the 4th air inlet 14-1, first thickness distribution limit area 14-2, second thickness distribution limit area 14-3, the 3rd
Thickness distribution limit area 14-4, the 4th thickness distribution limit area.
Specific embodiment
Below in conjunction with the accompanying drawings, the present invention is described in more detail.
As shown in Figure 1, existing glass substrate forming equipment is by the use of integrated form thickness elegance cooling wind as adjustment system,
Including soaking babinet 1, several blowers 2 are evenly equipped on soaking babinet 1, one end of blower 2 passes through the through air hose crossbeam 3
One connection flexible pipe 4 is connected with duct set 6；Meanwhile first flowmeter 5 is provided on duct set 6.
Specifically, the cooling wind adjustment system enters duct set 6 by the cooling air of certain pressure, on duct set 6
The air outlet with 2 corresponding number of air hose is provided with, flow control meter 5 is installed on air outlet, in actual production, according to technique
It needs, adjusts corresponding flow threshold switch, you can achieve the purpose that adjust corresponding product thickness point.
The structure in practical applications, particularly in molding thickness adjustment region, is often present with thickness air hose and corresponds to base
The opposite situation of plate thickness, i.e. air quantity are maximum and thickness curve is in peak value instead also in low ebb, air quantity for zero thickness curve
Etc. conflicting situation.
A kind of glass substrate forming equipment provided by the invention adjusts system with integrated form thickness wind, is in original cooling
Add heating unit and extractor fan in wind adjustment system, will cooling wind apparatus, heating unit and extractor fan it is integrated should
With so that the corresponding region of each air hose is quickly adjusted to the temperature field needed, plays the purpose of stabilized product quality.
As shown in Figure 2 and Figure 3, a kind of glass substrate forming equipment provided by the invention adjusts system with integrated form thickness wind,
Including duct set 6, heating air hose 11 and exhaust column 12, wherein, the blowing equal with blower quantity is offered on duct set 6
Mouthful, the blowing mouth is connected by the first connection flexible pipe 4 with blower 2；It is offered and blower quantity phase on heating air hose 11
Deng blowing mouth, heat air hose 11 on blowing mouth be connected by the second connection flexible pipe 9 with blower 2；It is opened up on exhaust column 12
There is a blowing mouth equal with blower quantity, the blowing mouth on exhaust column 12 is connected by the 3rd connection flexible pipe 10 with blower 2
It connects；Meanwhile duct set 6, heating air hose 11 and exhaust column 12 are used alternatingly.
Heat safe second flowmeter 7 and heat safe 3rd flow are respectively arranged on heating air hose 11 and exhaust column 12
Meter 8.
One end of exhaust column 12 is openend；The other end is blind end, and exhausting dress is provided in the openend of exhaust column 12
13 are put, the extractor fan 13 is exhaust fan.
As shown in figure 4, the tube wall of heating tube 11 is made of insulating layer 11-1, heater 11-2 and heat-conducting layer 11-3, wherein,
Insulating layer 11-1 is lateral wall；Heat-conducting layer 11-3 is inner wall side；Heater 11-2 is placed between insulating layer and heat-conducting layer.
During normal production, thickness air cooling system is constituted by duct set 6, the first connection flexible pipe 4 and blower 2；At this time
Hot wind flowmeter for pipe and exhausting are closed with flowmeter, and the second connection flexible pipe 9 and 10 airless of the 3rd connection flexible pipe lead to
It crosses, is not also connected with blower 2；
In glass substrate production, it is desirable that product thickness is controlled within the scope of certain positive and negative limit, can generally be passed through
Adjustment is adjusted with the cooling air quantity size of the corresponding cooling duct of product thickness distribution, but is present in production various different
Reason condition, technique adjustment cannot be achieved the purpose that by relying solely on cooling wind.The thickness wind process adjustment system of the present invention passes through
Increase hot wind and extractor fan has expanded process tuning vehicle and method, optimized by different combination adjustment, as far as possible
Make thickness of glass maintain minimal ripple within the scope of.
Illustrate the technique adjustment method of present system with reference to several typical technique adjustment modes.
Glass substrate production in, when product thickness control within the scope of certain positive and negative limit, and occur two phases
When the continuous on the upper side and two adjacent thickness distribution limit areas of adjacent thickness distribution limit area are continuously on the lower side, at this point, by thickness
Air inlet corresponding to degree distribution limit area connects duct set 6, and by adjusting the cooling air quantity size of duct set 6 and then control
Product thickness processed.
As shown in figure 5, first thickness distribution limit area 14-1 and second thickness distribution limit area 14-2 are inclined at center
On, the 3rd thickness distribution limit area 14-3 and the 4th thickness distribution limit area 14-4 are on the lower side at center, at this point, thick by first
Degree distribution limit area 14-1, second thickness distribution limit area 14-2, the 3rd thickness distribution limit area 14-3 and the 4th are thick
Air inlet corresponding to degree distribution limit area 14-4 is connected with duct set 6.
When the peak value of the thickness distribution limit area of product exceeds thickness upper end 15 and thickness distribution limit area
Valley close to thickness limit inferior deviation 16 when, then the corresponding air inlet of the peak value is connected with duct set 6, while by the valley
Corresponding air inlet is connected with exhaust column 12.
As shown in fig. 6, second thickness distribution limit area 14-2 and the 4th thickness distribution limit area 14-4 exceeds thickness
Upper end 15, and the 3rd thickness distribution limit area 14-3 is close to thickness limit inferior deviation 16, at this point, by second thickness point
The cloth limit area 14-2 and corresponding second air inlet 2-2 and the 4th air inlet 2- of the 4th thickness distribution limit area 14-4
4 connect duct sets 6, by the corresponding to the 3rd thickness distribution limit area 14-3 while reducing corresponding duct set cold flow
Three air inlet 2-3 connect exhaust column 12, this operation does not only reach adjustment second thickness distribution limit area 14-2 and the 4th thickness
The purpose of limit area 14-4 is distributed, while the influence of the 3rd thickness distribution limit area 14-3 is reduced.
When the valley of the thickness distribution limit area of product exceeds thickness limit inferior deviation 16, and thickness distribution limit area
Peak value close to thickness upper end 15 when, then the corresponding air inlet of the valley with duct set 6 is connected, increases corresponding collection wind
Pipe cold flow, while the corresponding air inlet of the peak value and heating air hose 11 are connected.
As shown in fig. 7, second thickness is distributed limit area 14-2 and the 4th thickness distribution limit area 14-4 close to thickness
Upper end 15, meanwhile, the 3rd thickness distribution limit area 14-3 exceeds thickness limit inferior deviation 16, then by the second air inlet
2-2 and the 4th air inlet 2-4 is connected with heating air hose 11, while the 3rd air inlet 2-3 is connected with duct set 6；To reach control
The purpose of thickness fluctuation processed.
When the thickness distribution limit area of product is placed between thickness upper end 15 and thickness limit inferior deviation 16, but
It is corrugated fluctuation occur, following two situations can be divided at this time：
If the deviation of peak value is more than the deviation of valley, by peak value close to the thickness distribution limit of thickness upper end 15
Air inlet corresponding to region is connected with hot blast pipe 11, while by valley close to the thickness distribution limit of thickness limit inferior deviation 16
Air inlet corresponding to region is connected with duct set 6.
If the deviation of valley is more than the deviation of peak value, by valley close to the thickness distribution limit of thickness upper end 15
Air inlet corresponding to region is connected with exhaust column 12, by peak value close to the thickness distribution limit area of thickness limit inferior deviation 16
Corresponding air inlet is connected with duct set 6.
As shown in figure 8, thickness distribution curve 14 is between high-low limit deviation 15,16, but there is corrugated fluctuation
Under, that is, it is on the upper side or 14-2,14-4 are on the lower side at center at center to illustrate 14-1,14-3, in such cases if individually cooled down
Character and conduct is made, and all the thickness of consecutive points can be had an impact, thickness distribution is made further to deteriorate.According to the present invention, to 14-2,
While 14-4 increase cooling wind, blower 2-1,2-3 corresponding with 14-1,14-3 are connected to hot air apparatus 11 or exhausting dress
12 are put, adjustment is optimized according to the situation of change of thickness curve 14, achievees the purpose that control product thickness.
Above-described several technique adjustment methods be more typical thickness distribution method of adjustment, and the invention is not restricted to
Upper several situations can optimize combination adjustment in actual production according to different situations.
Claims (6)
1. a kind of glass substrate forming equipment adjusts system with integrated form thickness wind, it is characterised in that：Including duct set (6), add
Hot blast pipe (11) and exhaust column (12), wherein, duct set (6), heating air hose (11) and exhaust column (12) with glass substrate into
Air inlet connection in type equipment, and duct set (6), heating air hose (11) and exhaust column (12) replace according to manufacturing technique requirent
It uses.
2. a kind of glass substrate forming equipment according to claim 1 adjusts system with integrated form thickness wind, feature exists
In：Duct set (6) is logical by the second connection flexible pipe (9), exhaust column (12) by the first connection flexible pipe (4), heating air hose (11)
The 3rd connection flexible pipe (10) is crossed to be connected with air inlet respectively.
3. a kind of glass substrate forming equipment according to claim 1 adjusts system with integrated form thickness wind, feature exists
In：First flowmeter (5) is provided on duct set (6), is provided with second flowmeter (7), exhaust column in heating air hose (11)
(12) the 3rd flowmeter (8) is set on.
4. a kind of glass substrate forming equipment according to claim 1 adjusts system with integrated form thickness wind, feature exists
In：One end of exhaust column (12) is openend, the other end is blind end；The openend of exhaust column (12) is provided with extractor fan
(13)。
5. a kind of glass substrate forming equipment according to claim 1 adjusts system with integrated form thickness wind, feature exists
In：The tube wall of heating tube (11) is made of insulating layer (11-1), heater (11-2) and heat-conducting layer (11-3), wherein, insulating layer
(11-1) is set to outer wall, and to set inner wall, heater (11-2) is placed between insulating layer and heat-conducting layer heat-conducting layer (11-3).
6. based on a kind of glass substrate forming equipment described in claim 1 adjustment side of integrated form thickness wind adjustment system
Method, it is characterised in that：
When product thickness distribution limit area peak value beyond thickness upper end (15), and thickness distribution limit area
When valley is close to thickness limit inferior deviation (16), then by the air inlet and duct set of the corresponding thickness distribution limit area of the peak value
(6) connect, while the corresponding air inlet of the valley and exhaust column (12) are connected；
When product thickness distribution limit area valley beyond thickness limit inferior deviation (16), and thickness distribution limit area
When peak value is close to thickness upper end (15), then the corresponding air inlet of the valley and duct set (6) are connected, while by the peak
It is worth corresponding air inlet to connect with heating air hose (11)；
When the thickness distribution limit area of product is placed between thickness upper end (15) and thickness limit inferior deviation (16), and
Undulate, then：
If the deviation of peak value is more than the deviation of valley, by the air inlet corresponding to the corresponding thickness distribution limit area of the peak value
It is connected with hot blast pipe (11), while by the air inlet corresponding to the corresponding thickness distribution limit area of the valley and duct set (6)
It connects；
If the deviation of valley is more than the deviation of peak value, by the air inlet corresponding to the corresponding thickness distribution limit area of the valley
It is connected with exhaust column (12), the air inlet corresponding to the corresponding thickness distribution limit area of the peak value and duct set (6) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711176339.7A CN108101345B (en) | 2017-11-22 | 2017-11-22 | Integrated thickness air adjusting system and method for glass substrate forming equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711176339.7A CN108101345B (en) | 2017-11-22 | 2017-11-22 | Integrated thickness air adjusting system and method for glass substrate forming equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108101345A true CN108101345A (en) | 2018-06-01 |
| CN108101345B CN108101345B (en) | 2020-12-01 |
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| CN201711176339.7A Active CN108101345B (en) | 2017-11-22 | 2017-11-22 | Integrated thickness air adjusting system and method for glass substrate forming equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112537902A (en) * | 2020-11-30 | 2021-03-23 | 彩虹显示器件股份有限公司 | Device and method for controlling thickness air flow of glass forming area |
| CN113045184A (en) * | 2021-01-29 | 2021-06-29 | 彩虹显示器件股份有限公司 | Method for precisely adjusting manufacturing thickness of glass substrate |
| CN115010350A (en) * | 2022-05-30 | 2022-09-06 | 彩虹显示器件股份有限公司 | Device and method for production stability of substrate glass |
| CN116199414A (en) * | 2023-02-20 | 2023-06-02 | 彩虹（合肥）液晶玻璃有限公司 | Flow regulating device for thickness air pipe of liquid crystal substrate glass and working method of flow regulating device |
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| JPH08183627A (en) * | 1994-12-28 | 1996-07-16 | Nippon Electric Glass Co Ltd | Production of glass sheet and apparatus therefor |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112537902A (en) * | 2020-11-30 | 2021-03-23 | 彩虹显示器件股份有限公司 | Device and method for controlling thickness air flow of glass forming area |
| CN113045184A (en) * | 2021-01-29 | 2021-06-29 | 彩虹显示器件股份有限公司 | Method for precisely adjusting manufacturing thickness of glass substrate |
| CN113045184B (en) * | 2021-01-29 | 2023-03-21 | 彩虹显示器件股份有限公司 | Method for precisely adjusting manufacturing thickness of glass substrate |
| CN115010350A (en) * | 2022-05-30 | 2022-09-06 | 彩虹显示器件股份有限公司 | Device and method for production stability of substrate glass |
| CN115010350B (en) * | 2022-05-30 | 2023-09-22 | 彩虹显示器件股份有限公司 | Device and method for stabilizing production of substrate glass |
| CN116199414A (en) * | 2023-02-20 | 2023-06-02 | 彩虹（合肥）液晶玻璃有限公司 | Flow regulating device for thickness air pipe of liquid crystal substrate glass and working method of flow regulating device |
| CN116199414B (en) * | 2023-02-20 | 2024-04-26 | 彩虹（合肥）液晶玻璃有限公司 | Flow regulating device for thickness air pipe of liquid crystal substrate glass and working method of flow regulating device |
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|---|---|
| CN108101345B (en) | 2020-12-01 |
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