CN111646676B - Device and method for controlling substrate glass forming temperature field - Google Patents
Device and method for controlling substrate glass forming temperature field Download PDFInfo
- Publication number
- CN111646676B CN111646676B CN202010621621.7A CN202010621621A CN111646676B CN 111646676 B CN111646676 B CN 111646676B CN 202010621621 A CN202010621621 A CN 202010621621A CN 111646676 B CN111646676 B CN 111646676B
- Authority
- CN
- China
- Prior art keywords
- temperature
- substrate glass
- heat preservation
- heating
- water outlet
- 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.)
- Active
Links
Classifications
-
- 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
- C03B17/067—Forming glass sheets combined with thermal conditioning of the sheets
-
- 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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/30—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Furnace Details (AREA)
Abstract
The invention provides a substrate glass forming temperature field control device and a method, comprising a plurality of temperature layers formed in a forming furnace, wherein each temperature layer is internally provided with a heating unit and a cooling device; the heating unit is symmetrically arranged on the frame of the side wall of the forming furnace by taking the substrate glass in the forming furnace as a symmetrical plane, and comprises a plurality of heating devices which are sequentially arranged from the top to the bottom of the forming furnace; the heating device comprises a heat preservation block which is in sliding connection with the side wall frame of the forming furnace; the cooling device is symmetrically arranged in the forming furnace by taking the substrate glass in the forming furnace as a symmetrical plane and is positioned between the heating unit and the substrate glass; the cooling device comprises a water outlet pipe and a heat preservation and insulation ring; the water outlet pipe penetrates through the forming furnace from the top to the bottom, and the pipe wall of the water outlet pipe is fixedly sleeved with a heat insulation ring.
Description
Technical Field
The invention relates to substrate glass manufacturing equipment, belongs to the field of special equipment, and particularly relates to a substrate glass forming temperature field control device and a substrate glass forming temperature field control method.
Background
Substrate glass used in the field of manufacturing flat panel displays such as a TFT-LCD thin film transistor display and a PDP plasma display screen is produced by adopting an overflow downdraw mode. In the overflow method substrate glass production, the forming furnace has the function of meeting the requirements of a glass softening point temperature field, and an adjustable temperature field required by cooling forming, thickness adjustment and stress strain of a glass plate is provided in the region. When molten glass enters the forming area through the overflow device, the edge part is rapidly cooled under the action of the edge roller, so that the forming width of the substrate glass is ensured. And then entering a forming stage, wherein the glass plate needs to be rapidly and stably cooled according to a viscosity-temperature curve of glass characteristics in the region, and meanwhile, the constancy of an internal temperature field of equipment is ensured, so that the consistency of surface tension and stress of the glass in the cooling process can be ensured, and the surface stress and warping are minimized. Typically the surface flatness of the substrate glass must be within about 100um and 190um, and any warpage or fluctuation will negatively impact the quality of the display.
Along with the development of liquid crystal display technology, G8.5 and higher generation substrate glass will become mainstream, and the product thickness is gradually developed from 0.7mm to 0.4 or even thinner glass, and the corresponding requirements on the surface quality of glass such as stress and warpage are higher and higher, the production according to the original process standard cannot meet the higher and higher customer requirements, and the production difficulty is also higher and higher. Meanwhile, the control requirement on the temperature field of the forming equipment is higher and higher, and the refined and accurate temperature field control is a development trend and a target of the forming equipment.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the substrate glass forming temperature field control device and the substrate glass forming temperature field control method, which have the advantages of simple structure and convenient operation, and improve the fixed heating mode which cannot be adjusted according to the actual temperature condition of the substrate glass in the existing forming furnace, thereby influencing the flatness of the substrate glass.
The invention is realized by the following technical scheme:
a substrate glass forming temperature field control device comprises a plurality of temperature layers formed in a forming furnace, wherein a heating unit and a cooling device are arranged in each temperature layer;
the heating unit is symmetrically arranged on a frame of the side wall of the forming furnace by taking substrate glass in the forming furnace as a symmetrical plane, and comprises a plurality of heating devices which are sequentially arranged along the top to the bottom of the forming furnace;
the heating device comprises a heat preservation block which is in sliding connection with the side wall frame of the forming furnace;
the cooling device is symmetrically arranged in the forming furnace by taking the substrate glass in the forming furnace as a symmetrical plane and is positioned between the heating unit and the substrate glass;
the cooling device comprises a water outlet pipe and a heat preservation and insulation ring; the water outlet pipe penetrates through the forming furnace from the top to the bottom, and a heat preservation and insulation ring is fixedly sleeved on the pipe wall of the water outlet pipe.
Preferably, a push rod is fixedly arranged on the outer side of the heat insulation block and used for adjusting the displacement of the heat insulation block.
Preferably, grooves are respectively arranged at the upper end and the lower end of the heat preservation block, and pulleys arranged on the side wall frame of the forming furnace and the grooves at the upper end and the lower end of the heat preservation block are embedded.
Preferably, the heating device further comprises a heating wire, the connecting ends of the heating wire are respectively connected with the two ends of the heat insulation block, and the heating section is in a spiral shape.
Preferably, the water inlet pipe is inserted into the pipe cavity of the water outlet pipe, the water outlet is arranged at the upper part of the water outlet pipe, and the water inlet pipe forms a circulating cavity in the pipe cavity of the water outlet pipe.
Preferably, the heat-insulating ring is made of aluminum silicate.
Preferably, each temperature layer in the forming furnace is provided with a temperature monitoring device, and the temperature monitoring device comprises a temperature acquisition system, a signal processor and a display;
the temperature acquisition system is arranged on the heat preservation block in the temperature zone;
the output end of the temperature acquisition system is connected with the signal processor; the output end of the signal processor is connected with the input end of the display.
Preferably, the device further comprises soaking plates arranged on the inner sides of the temperature layers, wherein the soaking plates are fixedly connected to the bottom of the forming furnace through the top of the forming furnace, are symmetrically arranged by taking the substrate glass in the forming furnace as a symmetrical plane, and are positioned between the substrate glass and the cooling device.
A control method of a substrate glass forming temperature field based on the device comprises the following steps,
step 1: the substrate glass enters a forming furnace and sequentially passes through each temperature layer;
step 2: according to the temperature requirement of the substrate glass at the inner side of each temperature layer, the temperature layers are controlled:
when the substrate glass at the inner side of the temperature layer needs to be heated, the heat-insulating blocks are heated through the corresponding temperature layer, the heat-insulating blocks at the two sides of the heated temperature layer move along the direction close to the substrate glass respectively, and meanwhile, the water outlet pipe is replaced, so that the heat-insulating ring on the water outlet pipe corresponds to the heated temperature layer in heating;
when the substrate glass at the inner side of the temperature layer needs to be cooled, the temperature layer is correspondingly cooled, and the heat preservation blocks are moved at a constant speed, so that the heat preservation blocks in the cooled temperature layer respectively move along the direction away from the substrate glass.
Preferably, a plurality of temperature layers formed in the forming furnace are divided into a plurality of temperature layer areas for adjusting the temperature of the substrate glass in each temperature layer area; the temperature layer region includes at least one temperature layer.
Compared with the prior art, the invention has the following beneficial technical effects:
according to the substrate glass forming temperature field control device, the heating device is moved on the fixed frame of the forming furnace, the distance between the heating device and the substrate glass is adjusted, the influence of substrate glass warping is reduced, the water outlet pipe is effectively protected by the heat insulation ring, damage to the water outlet pipe caused by overhigh temperature after the heating device is close is avoided, meanwhile, the heating efficiency is increased, and unstable temperature caused by cooling of the water outlet pipe is reduced.
Further, the push rod is fixedly arranged on the outer side of the heat insulation block, so that the distance between the heat insulation block and the substrate glass is convenient to adjust, and the influence of the warp of the substrate glass is reduced.
Further, the pulley and the groove at the end part of the heat preservation block are embedded, so that the distance between the adjacent heating devices is reduced, the temperature loss caused by the existence of gaps between the adjacent heating devices is avoided, and the heat preservation effect in the forming furnace is improved.
Further, the heating device further comprises heating wires, the connecting ends of the heating wires are respectively connected with the two ends of the heat insulation block, the heating sections are in spiral shapes, the temperature of the temperature block is effectively transferred, and the heating efficiency in the forming furnace is improved.
Further, the water inlet pipe is inserted into the pipe cavity of the water outlet pipe, the water outlet is arranged at the upper part of the water outlet pipe, the water inlet pipe forms a circulating cavity in the pipe cavity of the water outlet pipe, the cooling time of cooling water in the pipe is prolonged, and the cooling effect of the cooling pipe is improved.
Furthermore, the heat insulation ring is made of aluminum silicate, so that the heat transfer property of the heat insulation block to the substrate glass is accelerated, and the protection of the water outlet pipe is improved.
Further, the temperature monitoring device effectively provides temperature signals of all areas in the forming furnace, and is convenient for controlling the temperature field.
Further, the soaking plate in the forming furnace quickens the diffusion of the temperature on the heat insulation block, and improves the heating efficiency.
According to the substrate glass forming temperature field control method, the flexibility of temperature control is improved by moving the heat preservation block, the warping phenomenon of the substrate glass is reduced, different cooling devices are replaced according to different temperature conditions of different temperature areas, the heat preservation and heat insulation ring in the cooling device prevents the water outlet pipe from being damaged due to overhigh temperature after the heating device is close, and meanwhile the temperature rising efficiency is improved.
Further, a plurality of temperature layers formed in the forming furnace are divided into a plurality of temperature layer areas for adjusting the temperature of the substrate glass in each temperature layer area; the temperature layer region at least comprises one temperature layer, so that the required temperature of the substrate glass can be flexibly adjusted, the substrate glass is ensured to be heated uniformly in each temperature layer, and the flatness of the substrate glass is improved.
Drawings
FIG. 1 is a schematic view of the structure in the temperature layer of the forming furnace of the invention;
FIG. 2 is a schematic diagram of a cooling device according to the present invention;
FIG. 3 is a schematic sliding view of a heating device according to the present invention;
FIG. 4 is a schematic diagram of a process application structure of the present invention;
FIG. 5 is a schematic view of a cooling device in the process application structure of the present invention;
FIG. 6 is a schematic diagram of a temperature layer A, C area heating and temperature layer B area cooling structure in the process application structure of the present invention;
fig. 7 is a schematic diagram showing the individual temperature adjustment of the temperature layer A, B, C region in the process application structure of the present invention.
In the figure: 1 is an overflow device; 2 is substrate glass; 3 is a clamping mechanism of the edge roller; 4 is a vapor chamber; 5 is a heating device; 6 is a cooling device; 7 is a push rod; 8 is a pulley; 51 is a heating wire; 52 is a thermal insulation block; 61 is the water inlet pipe; 62 is a water outlet pipe; 63 is a water outlet; 64 is a heat-insulating ring; 65 is a circulation cavity.
Detailed Description
The invention will now be described in further detail with reference to specific examples, which are intended to illustrate, but not to limit, the invention.
The invention relates to a substrate glass forming temperature field control device, which comprises a plurality of temperature layers formed in a forming furnace, wherein a heating unit and a cooling device 6 are arranged in each temperature layer, as shown in figure 1; the heating unit is symmetrically arranged on the frame of the side wall of the forming furnace by taking the substrate glass 2 in the forming furnace as a symmetrical plane, and comprises a plurality of heating devices 5, and the plurality of heating devices 5 are sequentially arranged along the top to the bottom of the forming furnace; the heating device 5 comprises a heat preservation block 52 and a heating wire 51, grooves are respectively arranged at the upper end and the lower end of the heat preservation block 52, the heat preservation blocks 52 adjacent to each other up and down are in sliding connection with pulleys 8 arranged on a side wall frame of the forming furnace, and the pulleys 8 are embedded in the grooves at the end parts of the heat preservation blocks 52; as shown in fig. 3, the connection ends of the heating wires 51 are respectively connected with two ends of the heat insulation block 52, and the heating sections are spiral;
the vapor chamber 4 isolates the heating device 5 and the cooling device 6 from the substrate glass 2, so that the substrate glass 2 is ensured to be in a uniform temperature field in the heating or cooling process; the soaking plates 4 are connected to the bottom of the forming furnace from the top of the forming furnace, symmetrically arranged on two sides of the substrate glass 2 and positioned between the substrate glass 2 and the cooling device 6
According to fig. 2, the cooling device 6 is symmetrically arranged in the forming furnace with the substrate glass 2 in the forming furnace as a symmetry plane and is positioned between the heating unit and the substrate glass 2; the cooling device 6 comprises a water outlet pipe 62 and a heat preservation and insulation ring 64; the water outlet pipe 62 runs through the forming furnace from top to bottom, a heat insulation ring 64 is fixedly sleeved on the pipe wall of the water outlet pipe 62, a water inlet pipe 61 is inserted into the pipe cavity of the water outlet pipe 62, a water outlet 63 is arranged on the upper part of the water outlet pipe 62, a circulating cavity 65 is formed in the pipe cavity of the water outlet pipe 62 by the water inlet pipe 61, and cooling water circulates according to the direction of an arrow and flows out of the water outlet 63 to take away a certain amount of heat, so that the purpose of cooling is achieved.
The substrate glass forming temperature field control method comprises the following steps:
step 1: the substrate glass 2 enters a forming furnace to sequentially pass through each temperature layer;
step 2: the temperature layers are controlled according to the temperature requirements of the substrate glass 2 inside each temperature layer:
when the substrate glass 2 at the inner side of the temperature layer needs to be heated, the heat preservation blocks 52 are heated by the corresponding temperature layer, so that the heat preservation blocks 52 at the two sides of the heated temperature layer respectively move along the direction close to the substrate glass 2, and meanwhile the water outlet pipe 62 is replaced, so that the heat preservation and insulation ring 64 on the water outlet pipe 62 corresponds to the heated temperature layer in heating;
when the substrate glass 2 at the inner side of the temperature layer needs to be cooled, the heat preservation blocks 52 are cooled through the corresponding temperature layer, and the heat preservation blocks 52 in the cooled temperature layer move at a constant speed, so that the heat preservation blocks 52 in the cooled temperature layer move along the direction away from the substrate glass 2 respectively;
the temperature layers formed in the forming furnace are divided into a plurality of temperature layer areas for temperature adjustment of the substrate glass 2 in each temperature layer area; the temperature layer region includes at least one temperature layer.
As shown in fig. 4 and 5, a plurality of temperature layers formed in the forming furnace are divided into a temperature layer a region, a temperature layer B region and a temperature layer C region, wherein the temperature layer a region comprises an uppermost temperature layer; the temperature layer C area comprises a lowest temperature layer; the temperature layer B region comprises an intermediate layer temperature layer;
at least one layer of heating device is arranged in the temperature layer;
when a single-layer heating device is arranged in the temperature layer, each temperature layer can be subjected to temperature adjustment at the same time;
when the temperature layer is provided with the multi-layer heating device, the temperature of the same layer can be independently adjusted in the temperature layer
According to the invention, when the substrate glass 2 flows down, the power of the heating device 5 is adjusted according to different temperature areas, and the cooling device 6 is matched for cooling, so that the temperature of the substrate glass 2 along the overflow direction is consistent, and the warp deformation of the glass plate is ensured to be minimized.
Examples
The molten substrate glass 2 overflows and flows down uniformly from two sides of the overflow device 1, and the lower edge is clamped by the clamping mechanism 3 of the edge roller to be cooled rapidly and enter the forming furnace under the action of gravity; dividing a plurality of temperature layers formed in a forming furnace into a temperature layer A region, a temperature layer B region and a temperature layer C region according to a reference temperature value of the substrate glass 2 in the forming furnace, and monitoring temperature change in the substrate glass 2 in each region through a temperature monitoring device;
the temperature signal in the temperature layer display receiving temperature acquisition system is lower than the reference temperature value of the substrate glass 2, the substrate glass 2 on the inner side of the temperature layer is heated, so that the push rod 7 of the heat preservation block 52 is pushed at a constant speed, the heat preservation block 52 of the temperature layer moves along the direction close to the substrate glass 2 respectively, meanwhile, the water outlet pipe 62 is replaced, the heat preservation and insulation ring 64 on the water outlet pipe 62 corresponds to the temperature layer in heating, and damage to the water outlet pipe 62 due to overhigh temperature after the heat preservation block 52 is close to the water outlet pipe 62 is avoided;
the temperature signal in the temperature layer display receiving temperature acquisition system is higher than the reference temperature value of the substrate glass 2, the substrate glass 2 on the inner side of the temperature layer needs to be cooled, the temperature layer is cooled, and the push rod 7 is pulled at a constant speed so that the heat preservation blocks 52 in the cooled temperature layer respectively move along the direction far away from the substrate glass 2.
In actual production, the situation that the temperature layer A area and the temperature layer C area need to be heated and the temperature layer B area needs to be cooled often occurs, as shown in fig. 6, the temperature layer A area and the temperature layer C area are heated, the push rod 7 is pushed at a constant speed in the temperature layer A area and the temperature layer C area so that the heat preservation blocks 52 in the heating temperature layer respectively move along the direction close to the substrate glass 2, and meanwhile, the water outlet pipe 62 is replaced, so that the heat preservation and insulation ring 64 on the water outlet pipe 62 corresponds to the heating temperature layer; the temperature zone of the temperature layer B is cooled, and the push rod 7 is pulled at a constant speed in the temperature layer B so that the heat preservation blocks 52 in the cooled temperature layer respectively move along the direction away from the substrate glass 2.
If a multi-layer heating device is arranged in the temperature layer B region, the same-layer temperature can be independently adjusted in the temperature layer, as shown in FIG. 7, the local part in the temperature layer B region is heated, so that the push rod 7 is pushed at a constant speed to enable the heat preservation blocks 52 in the local part in the temperature layer B region to respectively move along the direction close to the substrate glass 2, and meanwhile, the water outlet pipe 62 is replaced, so that the heat preservation and insulation ring 64 on the water outlet pipe 62 corresponds to the temperature layer in the local part; the temperature layer in the local area is cooled, and the push rod 7 is pulled at a constant speed, so that the heat preservation blocks 52 in the local area of the temperature layer B respectively move in the direction away from the substrate glass 2.
The heat preservation and insulation ring 64 is made of aluminum silicate; the temperature signal is monitored by a temperature monitoring device, and the temperature monitoring device comprises a temperature acquisition system, a signal processor and a display; the temperature acquisition system is arranged on the heat preservation block 52 in the temperature layer; the output end of the temperature acquisition system is connected with the signal processor; the output end of the temperature acquisition system is connected with the signal processor; the temperature signal of each temperature zone in the shaping stove is received to the staff of being convenient for, carries out manual control to shaping stove internal temperature and guarantees base plate glass 2, at a even temperature layer, makes the glass of molten state at the in-process that changes from viscidity to elasticity at uniform velocity cooling and cooling, keeps even thickness and roughness.
Claims (8)
1. The substrate glass forming temperature field control device is characterized by comprising a plurality of temperature layers formed in a forming furnace, wherein a heating unit and a cooling device (6) are arranged in each temperature layer;
the heating unit is symmetrically arranged on a frame of the side wall of the forming furnace by taking the substrate glass (2) in the forming furnace as a symmetry plane, and comprises a plurality of heating devices (5), and the plurality of heating devices (5) are sequentially arranged from the top to the bottom of the forming furnace;
the heating device (5) comprises a heat preservation block (52), and the heat preservation block (52) is in sliding connection with the side wall frame of the forming furnace;
the cooling device (6) is symmetrically arranged in the forming furnace by taking the substrate glass (2) in the forming furnace as a symmetrical plane, and is positioned between the heating unit and the substrate glass (2);
the cooling device (6) comprises a water outlet pipe (62) and a heat preservation and insulation ring (64); the water outlet pipe (62) is arranged in a penetrating way from the top to the bottom of the forming furnace, and a heat preservation and insulation ring (64) is fixedly sleeved on the pipe wall of the water outlet pipe (62);
the push rod (7) is fixedly arranged on the outer side of the heat preservation block (52) and used for adjusting the displacement of the heat preservation block (52);
grooves are respectively formed in the upper end and the lower end of the heat preservation block (52), and pulleys (8) arranged on the side wall frame of the forming furnace and the grooves in the upper end and the lower end of the heat preservation block (52) are embedded.
2. The device for controlling the temperature field of forming the glass on the substrate according to claim 1, wherein the heating device (5) further comprises heating wires (51), the connecting ends of the heating wires (51) are respectively connected with the two ends of the heat insulation block (52), and the heating sections are spiral.
3. The substrate glass molding temperature field control device according to claim 1, wherein a water inlet pipe (61) is inserted into a pipe cavity of the water outlet pipe (62), a water outlet (63) is arranged at the upper part of the water outlet pipe (62), and the water inlet pipe (61) forms a circulating cavity (65) in the pipe cavity of the water outlet pipe (62).
4. The apparatus of claim 1, wherein the insulating ring (64) is made of aluminum silicate.
5. The substrate glass molding temperature field control device according to claim 1, wherein a temperature monitoring device is arranged on each temperature layer in the molding furnace, and the temperature monitoring device comprises a temperature acquisition system, a signal processor and a display;
the temperature acquisition system is arranged on a heat preservation block (52) in the temperature zone;
the output end of the temperature acquisition system is connected with a signal processor; the output end of the signal processor is connected with the input end of the display.
6. The substrate glass molding temperature field control device according to claim 1, further comprising a soaking plate (4) arranged on the inner side of the plurality of temperature layers, wherein the soaking plate (4) is fixedly connected to the bottom of the molding furnace from the top of the molding furnace, is symmetrically arranged by taking the substrate glass (2) in the molding furnace as a symmetry plane, and is positioned between the substrate glass (2) and the cooling device (6).
7. A method for controlling a temperature field for glass forming of a substrate, characterized in that the device according to any one of claims 1 to 5 comprises the steps of;
step 1: the substrate glass (2) enters a forming furnace to sequentially pass through each temperature layer;
step 2: according to the temperature requirement of the substrate glass (2) on the inner side of each temperature layer, the temperature layers are controlled:
when the substrate glass (2) at the inner side of the temperature layer is required to be heated, the heat preservation blocks (52) are moved at a constant speed through heating corresponding to the temperature layer, so that the heat preservation blocks (52) at the two sides of the heating temperature layer respectively move along the direction close to the substrate glass (2), and meanwhile the water outlet pipe (62) is replaced, so that the heat preservation and insulation ring (64) on the water outlet pipe (62) corresponds to the heating temperature layer in heating;
when the substrate glass (2) at the inner side of the temperature layer needs to be cooled, the heat preservation blocks (52) are moved at a constant speed through cooling corresponding to the temperature layer, so that the heat preservation blocks (52) in the cooled temperature layer respectively move along the direction away from the substrate glass (2).
8. The method according to claim 7, wherein the plurality of temperature layers formed in the forming furnace are divided into a plurality of temperature layer regions for temperature adjustment of the substrate glass (2) in each temperature layer region; the temperature layer region includes at least one temperature layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010621621.7A CN111646676B (en) | 2020-07-01 | 2020-07-01 | Device and method for controlling substrate glass forming temperature field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010621621.7A CN111646676B (en) | 2020-07-01 | 2020-07-01 | Device and method for controlling substrate glass forming temperature field |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111646676A CN111646676A (en) | 2020-09-11 |
| CN111646676B true CN111646676B (en) | 2023-09-22 |
Family
ID=72345573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010621621.7A Active CN111646676B (en) | 2020-07-01 | 2020-07-01 | Device and method for controlling substrate glass forming temperature field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111646676B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113321407B (en) * | 2021-05-31 | 2022-08-30 | 彩虹（合肥）液晶玻璃有限公司 | Device and method for controlling shape of glass substrate |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101012098A (en) * | 2007-01-24 | 2007-08-08 | 河南安彩高科股份有限公司 | Temperature equality device and temperature equality method in glass forming |
| CN101028964A (en) * | 2007-02-08 | 2007-09-05 | 河南安彩高科股份有限公司 | Device and method for controlling glass-board thickness evenness |
| CN202785965U (en) * | 2012-03-31 | 2013-03-13 | 彩虹显示器件股份有限公司 | Temperature controller of liquid crystal sheet glass formation area |
| JP2013139342A (en) * | 2011-12-28 | 2013-07-18 | Avanstrate Inc | Method for manufacturing glass sheet |
| JP2014214062A (en) * | 2013-04-26 | 2014-11-17 | ＡｖａｎＳｔｒａｔｅ株式会社 | Method and apparatus for manufacturing glass plate |
| CN204356218U (en) * | 2014-12-27 | 2015-05-27 | 彩虹显示器件股份有限公司 | Muffle furnace field control device |
| CN204373419U (en) * | 2014-12-17 | 2015-06-03 | 西安宏信矿热炉有限公司 | A kind of mineral hot furnace water-cooling protective sleeve |
| CN105121365A (en) * | 2014-02-21 | 2015-12-02 | 安瀚视特控股株式会社 | Glass plate production method and glass plate production device |
| CN108249743A (en) * | 2018-03-28 | 2018-07-06 | 河北省沙河玻璃技术研究院 | The method for shaping that a kind of suitable flexible glass is drawn |
| CN207811554U (en) * | 2017-11-30 | 2018-09-04 | 彩虹（合肥）液晶玻璃有限公司 | A kind of liquid crystal substrate glass forming furnace packaged type corner heating device |
| CN110746095A (en) * | 2019-09-29 | 2020-02-04 | 彩虹显示器件股份有限公司 | Substrate glass production forming equipment with refined temperature adjustment function |
| CN212770426U (en) * | 2020-07-01 | 2021-03-23 | 彩虹显示器件股份有限公司 | Substrate glass forming temperature field control device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6630796B2 (en) * | 2017-09-29 | 2020-01-15 | ＡｖａｎＳｔｒａｔｅ株式会社 | Glass substrate manufacturing method and glass substrate manufacturing apparatus |
-
2020
- 2020-07-01 CN CN202010621621.7A patent/CN111646676B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101012098A (en) * | 2007-01-24 | 2007-08-08 | 河南安彩高科股份有限公司 | Temperature equality device and temperature equality method in glass forming |
| CN101028964A (en) * | 2007-02-08 | 2007-09-05 | 河南安彩高科股份有限公司 | Device and method for controlling glass-board thickness evenness |
| JP2013139342A (en) * | 2011-12-28 | 2013-07-18 | Avanstrate Inc | Method for manufacturing glass sheet |
| CN202785965U (en) * | 2012-03-31 | 2013-03-13 | 彩虹显示器件股份有限公司 | Temperature controller of liquid crystal sheet glass formation area |
| JP2014214062A (en) * | 2013-04-26 | 2014-11-17 | ＡｖａｎＳｔｒａｔｅ株式会社 | Method and apparatus for manufacturing glass plate |
| CN105121365A (en) * | 2014-02-21 | 2015-12-02 | 安瀚视特控股株式会社 | Glass plate production method and glass plate production device |
| CN204373419U (en) * | 2014-12-17 | 2015-06-03 | 西安宏信矿热炉有限公司 | A kind of mineral hot furnace water-cooling protective sleeve |
| CN204356218U (en) * | 2014-12-27 | 2015-05-27 | 彩虹显示器件股份有限公司 | Muffle furnace field control device |
| CN207811554U (en) * | 2017-11-30 | 2018-09-04 | 彩虹（合肥）液晶玻璃有限公司 | A kind of liquid crystal substrate glass forming furnace packaged type corner heating device |
| CN108249743A (en) * | 2018-03-28 | 2018-07-06 | 河北省沙河玻璃技术研究院 | The method for shaping that a kind of suitable flexible glass is drawn |
| CN110746095A (en) * | 2019-09-29 | 2020-02-04 | 彩虹显示器件股份有限公司 | Substrate glass production forming equipment with refined temperature adjustment function |
| CN212770426U (en) * | 2020-07-01 | 2021-03-23 | 彩虹显示器件股份有限公司 | Substrate glass forming temperature field control device |
Non-Patent Citations (1)
| Title |
|---|
| 牛伯羽等.《土木工程材料》.中国质检出版社,2019,第299页. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111646676A (en) | 2020-09-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102869623B (en) | The manufacture method of glass substrate and the manufacture device of glass substrate | |
| CN110746095B (en) | Substrate glass production forming equipment with refined temperature adjustment function | |
| US11565962B2 (en) | Method and apparatus for controlling thickness of glass sheet | |
| US8393177B2 (en) | Glass flow management by thermal conditioning | |
| TWI519492B (en) | Manufacture of glass plates | |
| TWI414493B (en) | Glass plate making device and glass plate cooling method | |
| TWI571445B (en) | Glass substrate manufacturing method and cooler | |
| KR101644670B1 (en) | Glass sheet manufacturing method | |
| KR101608896B1 (en) | Method and apparatus for making glass sheet | |
| CN111646676B (en) | Device and method for controlling substrate glass forming temperature field | |
| JP6767866B2 (en) | Glass substrate manufacturing method and glass substrate manufacturing equipment | |
| CN212770426U (en) | Substrate glass forming temperature field control device | |
| CN112811792B (en) | Forming system and method for substrate glass warp stress partition control | |
| JPWO2016104805A1 (en) | Glass plate manufacturing method and glass plate manufacturing apparatus | |
| CN112811793A (en) | Device and method for controlling forming thickness of glass substrate by overflow method | |
| KR101680962B1 (en) | Method and apparatus for making glass substrate | |
| CN111018319A (en) | Stress adjustment control method for liquid crystal glass substrate | |
| CN215440178U (en) | Forming system for substrate glass warpage stress zone control | |
| JP6285180B2 (en) | Glass plate manufacturing method and glass plate manufacturing apparatus | |
| CN216273743U (en) | Stress relieving device and annealing device for flexible glass | |
| CN115710084A (en) | Glass plate directional stretching device and stretching method | |
| JP5969671B2 (en) | Glass substrate manufacturing method and glass substrate manufacturing apparatus | |
| JP2019064860A (en) | Method and apparatus for manufacturing glass substrate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |