CN101381199A - Strength enhancement method of overflow groove for photoelectric glass production - Google Patents
Strength enhancement method of overflow groove for photoelectric glass production Download PDFInfo
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- CN101381199A CN101381199A CN 200810231720 CN200810231720A CN101381199A CN 101381199 A CN101381199 A CN 101381199A CN 200810231720 CN200810231720 CN 200810231720 CN 200810231720 A CN200810231720 A CN 200810231720A CN 101381199 A CN101381199 A CN 101381199A
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- hole
- overflow groove
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- auxiliary rod
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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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Abstract
The invention discloses a method for increasing the strength of an overflow groove for photoelectric glass production, which comprises an overflow groove body. The method is characterized in that the overflow groove body is provided with a through hole with the diameter of D in the axial direction; an auxiliary rod with the diameter of C is inserted into the through hole, wherein the diameter D of the through hole accords with a formula: B=E-D/2; in the formula, B is the minimum thickness of an overflow brick molding surface, and is required to be more than or equal to 100 mm; E is the shortest distance from the center of the through hole to the outside surface of the overflow groove body; the diameter C of the auxiliary rod is less than the diameter D of the through hole; and the space between the auxiliary rod and the through hole is filled with refractory materials. The method for increasing the strength of the overflow groove can prevent the overflow groove from bending and deforming downward because of the influence of the own gravity of the overflow groove in the processes of processing, transportation and high-temperature production, realizes that the overflow bricks can not creep, bend or deform under the condition of high temperature, improves creep resistance, and further prevents deformation of glass substrates caused by the high temperature deformation of the overflow bricks.
Description
Technical field
The invention belongs to the photoelectric glass production field, relate to the method that a kind of overflow groove is gained in strength, the method that especially a kind of photoelectric glass production is gained in strength with overflow groove.
Background technology
The photoelectricity sheet glass mainly refers to be used for the liquid crystal substrate glass of flat panel display, and this thin plate substrate glass has characteristics such as high heat resistance, high-clarity, agent of low hygroscopicity, high flat degree, good solvent resistance, scratch resistance performance, anti-strongly-acid, strong basicity resisting.
The liquid crystal flat-panel technique of display is strict to the specification of quality of photoelectricity sheet glass surface finish and thickness, if photoelectricity sheet glass precision can not guarantee, the spacing that then constitutes between two substrates will produce local error, can directly have influence on the electric field and the pixel of indicating meter like this, make the gray scale and the color of indicating meter inhomogeneous, produce defectives such as bright spot.Also reach 1/10mm for base plate glass physical dimension claimed accuracy.On the whole, the photoelectricity sheet glass is exactly that a kind of strict nothing is owed a glass.
Produce at present in several sophisticated method of LCD sheet glass, the most popular with the overflow method of forming, offshore companies such as also relative the most ripe, healthy and free from worry, NEG all adopt this method always.But this relative technology requires all very high to the control of production process and production environment, pulling force as the flow of frit, temperature, contained side machine all requires to accomplish synchronously and accurate control, change slightly and produce fluctuation as frit flow and temperature, overflow groove distortion in use, the capital produces flaw, influence quality product, reduce good article rate.
When adopting the overflow method of forming, overflow groove in the production technique is because its shape is long and narrow, size is from domestic 2 meters abroad 4 meters of companies and bigger at present, the cell body material all adopts fires the bulk metal pottery that forms, it is auxiliary not have other material, the 2-3 ton that weighs certainly, and cell body is in processing and production use, adopt two end supports, middle unsettled form shows from related data, when size increases, self bending strength reduces, can occur bending and deformation because of influence of gravity, even fracture, cause tremendous loss (as shown in Figure 1, A is an overflow tank body, and P is rupture line).
In producing use, reach 1200 ℃ in addition, under its high temperature creep bending can take place, make glass substrate in moulding process, cause uneven distribution because the brick body heats up.
More than 2 processing uses at large size overflow brick more outstanding.So design a kind of flexural deformation, fracture and creep bending that can solve overflow groove, can effectively improve the quality of glass substrate.
Summary of the invention
The objective of the invention is to overcome the shortcoming of above-mentioned prior art, the method that provides a kind of photoelectric glass production to gain in strength with overflow groove, this method can improve overflow groove intensity, prevent that overflow groove is in processing, transportation and in the high temperature production process, because the downward flexural deformation that overflow groove self gravitation influence occurs; Realize that hot conditions underflow stream brick does not produce the creep bending distortion, improve creep resistance, further avoid the overflow brick high temperature deformation to cause the distortion of glass substrate.
The objective of the invention is to solve by the following technical programs:
The method that this photoelectric glass production is gained in strength with overflow groove, comprise the overflow groove body, through hole in that diameter of axial processing of described overflow groove body is D penetrates the auxiliary rod that a diameter is C in described through hole, the diameter D of wherein said through hole meets following formula:
B＝E-D/2
B is the minimum thickness of overflow brick molding surface in the following formula, requires B 〉=100mm; E is the shortest distance of the center of through hole to overflow groove body outer side;
The diameter C of described auxiliary rod is less than the diameter D of through hole; Be filled with refractory materials between described auxiliary rod and through hole.
The diameter C=0.98D of above-mentioned auxiliary rod.
On the symmetry centre that is centered close to described overflow groove body cross-section of above-mentioned through hole.
The material of above-mentioned auxiliary rod adopts melts the intensified type ni-base wrought superalloy admittedly, and perhaps the material of described auxiliary rod is GH3030, GH3039, GH3044, GH3128, Al
2O
3, a kind of or more than one any mass ratioes in SiC, SnC or the quartz mixing material.
The above refractory materials is refractory mortar or fibrous magnesium silicate.
The method that photoelectric glass production of the present invention is gained in strength with overflow groove, apply to processing and the use of photoelectricity sheet glass production with overflow groove, can effectively improve overflow groove intensity, prevent that overflow groove is in processing, transportation and in the high temperature production process, because the downward flexural deformation that overflow groove self gravitation influence occurs; Realize that hot conditions underflow stream brick does not produce the creep bending distortion, improve creep resistance, further avoid the overflow brick high temperature deformation to cause the distortion of glass substrate.
Description of drawings
Fig. 1 is an overflow tank body structural representation of the present invention;
Fig. 2 is the F-F sectional view of Fig. 1;
Fig. 3 is an auxiliary rod assembling synoptic diagram of the present invention.
Wherein: 1 is through hole; 2 is the overflow groove body; 3 are auxiliary rod; 4 is refractory materials.
Embodiment
Below in conjunction with accompanying drawing the present invention is done and to describe in further detail:
Referring to Fig. 1 is overflow groove body synoptic diagram of the present invention, overflow groove body 2 is also referred to as overflow brick, through hole 1 of axial processing at overflow groove body 2, the central position of through hole 1 is in the symmetry centre position of overflow groove body 2 cross sections, can avoid the inhomogeneous of surface of overflow groove heat distribution like this, guarantee the basic demand of molding substrate.Wherein the diameter D of through hole 1 meets following formula:
B＝E-D/2
B is the minimum thickness of overflow brick molding surface in the following formula, requires B 〉=100mm; E is the shortest distance (referring to Fig. 3) of the center of through hole 1 to overflow groove body outer side;
Insert one in addition and be used to strengthen the auxiliary excellent 3 of overflow groove in through hole 1, the diameter C of auxiliary rod 3 will be slightly smaller than the diameter D of through hole 1, with packing into (as shown in Figure 3) of convenient auxiliary rod 3, and the diameter C=0.98D of general auxiliary rod 3.In the gap of auxiliary rod 3 and through hole 1, be filled with heat-stable material 4 then, here heat-stable material can adopt refractory mortar or fibrous magnesium silicate, auxiliary rod 3 be a solid construction, requires to make auxiliary excellent 3 material simultaneously in heatproof 〉=1100 during ℃ condition, tensile strength 〉=900 σ
b/ MPa, high temperature endurance performance meet with stresses 〉=350Mb; Here auxiliary rod 3 can adopt and melt intensified type ni-base wrought superalloy rod, GH3030, GH3039, GH3044 or GH3128, perhaps Al admittedly
2O
3, SiC, SnC, quartzy material, or the mixture of above-mentioned materials utilizes the intensity of auxiliary rod 3 to improve the integral bending of overflow groove body 2 in processing, use, prevents the distortion, bending, the fracture that produce because of action of gravity; Simultaneously overflow brick thermal creep is at high temperature well improved, reduce the product distortion that the brick body deformability produces under the high temperature in the production of glass substrate.
At diameter of axial processing of overflow groove body 2 through hole 1 that is D, on the symmetry centre that is centered close to the overflow groove body cross-section of through hole 1.Wherein the diameter D of through hole 1 meets following formula:
B＝E-D/2
B is the minimum thickness of overflow brick molding surface in the following formula, requires B to equal 100mm; E is the shortest distance of the center of through hole 1 to overflow groove body outer side;
In through hole 1, penetrate a diameter and be the auxiliary excellent 3 of C, the diameter C=0.98D of auxiliary rod 3; The material of auxiliary rod 3 adopts melts the intensified type ni-base wrought superalloy admittedly, and auxiliary rod 3 and 1 of through hole are filled with refractory materials 4, and described refractory materials 4 is refractory mortars.
At diameter of axial processing of overflow groove body 2 through hole 1 that is D, on the symmetry centre that is centered close to the overflow groove body cross-section of through hole 1.Wherein the diameter D of through hole 1 meets following formula:
B＝E-D/2
B is the minimum thickness of overflow brick molding surface in the following formula, requires B to equal 110mm; E is the shortest distance of the center of through hole 1 to overflow groove body outer side;
In through hole 1, penetrate a diameter and be the auxiliary excellent 3 of C, the diameter C=0.98D of auxiliary rod 3; The material of auxiliary rod 3 adopts GH3030, and auxiliary rod 3 and 1 of through hole are filled with refractory materials 4, and described refractory materials 4 is fibrous magnesium silicates.
At diameter of axial processing of overflow groove body 2 through hole 1 that is D, on the symmetry centre that is centered close to the overflow groove body cross-section of through hole 1.Wherein the diameter D of through hole 1 meets following formula:
B＝E-D/2
B is the minimum thickness of overflow brick molding surface in the following formula, requires B to equal 120mm; E is the shortest distance of the center of through hole 1 to overflow groove body outer side;
In through hole 1, penetrate a diameter and be the auxiliary excellent 3 of C, the diameter C=0.98D of auxiliary rod 3; The material of auxiliary rod 3 adopts GH3039, and auxiliary rod 3 and 1 of through hole are filled with refractory materials 4, and described refractory materials 4 is fibrous magnesium silicates.
At diameter of axial processing of overflow groove body 2 through hole 1 that is D, on the symmetry centre that is centered close to the overflow groove body cross-section of through hole 1.Wherein the diameter D of through hole 1 meets following formula:
B＝E-D/2
B is the minimum thickness of overflow brick molding surface in the following formula, requires B to equal 130mm; E is the shortest distance of the center of through hole 1 to overflow groove body outer side;
In through hole 1, penetrate a diameter and be the auxiliary excellent 3 of C, the diameter C=0.98D of auxiliary rod 3; The material of auxiliary rod 3 adopts GH3044, and auxiliary rod 3 and 1 of through hole are filled with refractory materials 4, and described refractory materials 4 is refractory mortars.
Embodiment 5
At diameter of axial processing of overflow groove body 2 through hole 1 that is D, on the symmetry centre that is centered close to the overflow groove body cross-section of through hole 1.Wherein the diameter D of through hole 1 meets following formula:
B＝E-D/2
B is the minimum thickness of overflow brick molding surface in the following formula, requires B to equal 140mm; E is the shortest distance of the center of through hole 1 to overflow groove body outer side;
In through hole 1, penetrate a diameter and be the auxiliary excellent 3 of C, the diameter C=0.98D of auxiliary rod 3; The material of auxiliary rod 3 adopts GH3128, and auxiliary rod 3 and 1 of through hole are filled with refractory materials 4, and described refractory materials 4 is refractory mortars.
Embodiment 6
At diameter of axial processing of overflow groove body 2 through hole 1 that is D, on the symmetry centre that is centered close to the overflow groove body cross-section of through hole 1.Wherein the diameter D of through hole 1 meets following formula:
B＝E-D/2
B is the minimum thickness of overflow brick molding surface in the following formula, requires B to equal 150mm; E is the shortest distance of the center of through hole 1 to overflow groove body outer side;
In through hole 1, penetrate a diameter and be the auxiliary excellent 3 of C, the diameter C=0.98D of auxiliary rod 3; The material of auxiliary rod 3 adopts Al
2O
3, auxiliary rod 3 and 1 of through hole are filled with refractory materials 4, and described refractory materials 4 is fibrous magnesium silicates.
Embodiment 7
At diameter of axial processing of overflow groove body 2 through hole 1 that is D, on the symmetry centre that is centered close to the overflow groove body cross-section of through hole 1.Wherein the diameter D of through hole 1 meets following formula:
B＝E-D/2
B is the minimum thickness of overflow brick molding surface in the following formula, requires B to equal 170mm; E is the shortest distance of the center of through hole 1 to overflow groove body outer side;
In through hole 1, penetrate a diameter and be the auxiliary excellent 3 of C, the diameter C=0.98D of auxiliary rod 3; The material of auxiliary rod 3 adopts SiC, and auxiliary rod 3 and 1 of through hole are filled with refractory materials 4, and described refractory materials 4 is fibrous magnesium silicates.
Embodiment 8
At diameter of axial processing of overflow groove body 2 through hole 1 that is D, on the symmetry centre that is centered close to the overflow groove body cross-section of through hole 1.Wherein the diameter D of through hole 1 meets following formula:
B＝E-D/2
B is the minimum thickness of overflow brick molding surface in the following formula, requires B to equal 180mm; E is the shortest distance of the center of through hole 1 to overflow groove body outer side;
In through hole 1, penetrate a diameter and be the auxiliary excellent 3 of C, the diameter C=0.98D of auxiliary rod 3; The material of auxiliary rod 3 adopts SnC, and auxiliary rod 3 and 1 of through hole are filled with refractory materials 4, and described refractory materials 4 is fibrous magnesium silicates.
Embodiment 9
At diameter of axial processing of overflow groove body 2 through hole 1 that is D, on the symmetry centre that is centered close to the overflow groove body cross-section of through hole 1.Wherein the diameter D of through hole 1 meets following formula:
B＝E-D/2
B is the minimum thickness of overflow brick molding surface in the following formula, requires B to equal 190mm; E is the shortest distance of the center of through hole 1 to overflow groove body outer side;
In through hole 1, penetrate a diameter and be the auxiliary excellent 3 of C, the diameter C=0.98D of auxiliary rod 3; The material of auxiliary rod 3 adopts quartzy, and auxiliary rod 3 and 1 of through hole are filled with refractory materials 4, and described refractory materials 4 is refractory mortars.
Embodiment 10
At diameter of axial processing of overflow groove body 2 through hole 1 that is D, on the symmetry centre that is centered close to the overflow groove body cross-section of through hole 1.Wherein the diameter D of through hole 1 meets following formula:
B＝E-D/2
B is the minimum thickness of overflow brick molding surface in the following formula, requires B to equal 200mm; E is the shortest distance of the center of through hole 1 to overflow groove body outer side;
In through hole 1, penetrate a diameter and be the auxiliary excellent 3 of C, the diameter C=0.98D of auxiliary rod 3; The material of auxiliary rod 3 adopts the mixing material of any mass ratio of GH3030 and GH3039, and auxiliary rod 3 and 1 of through hole are filled with refractory materials 4, and described refractory materials 4 is refractory mortars.
Embodiment 11
At diameter of axial processing of overflow groove body 2 through hole 1 that is D, on the symmetry centre that is centered close to the overflow groove body cross-section of through hole 1.Wherein the diameter D of through hole 1 meets following formula:
B＝E-D/2
B is the minimum thickness of overflow brick molding surface in the following formula, requires B to equal 230mm; E is the shortest distance of the center of through hole 1 to overflow groove body outer side;
In through hole 1, penetrate a diameter and be the auxiliary excellent 3 of C, the diameter C=0.98D of auxiliary rod 3; The material of auxiliary rod 3 adopts GH3039, Al
2O
3With the mixing material of any mass ratio of SiC, auxiliary rod 3 and 1 of through hole are filled with refractory materials 4, and described refractory materials 4 is fibrous magnesium silicates.
Embodiment 12
At diameter of axial processing of overflow groove body 2 through hole 1 that is D, on the symmetry centre that is centered close to the overflow groove body cross-section of through hole 1.Wherein the diameter D of through hole 1 meets following formula:
B＝E-D/2
B is the minimum thickness of overflow brick molding surface in the following formula, requires B to equal 250mm; E is the shortest distance of the center of through hole 1 to overflow groove body outer side;
In through hole 1, penetrate a diameter and be the auxiliary excellent 3 of C, the diameter C=0.98D of auxiliary rod 3; The material of auxiliary rod 3 adopts the mixing material of any mass ratio of quartz, GH3128, SnC and GH3030, and auxiliary rod 3 and 1 of through hole are filled with refractory materials 4, and described refractory materials 4 is fibrous magnesium silicates.
Claims (5)
1. method that photoelectric glass production is gained in strength with overflow groove, comprise overflow groove body (2), it is characterized in that: at diameter of axial processing of described overflow groove body (2) through hole (1) that is D, penetrating a diameter in described through hole (1) is the auxiliary rod (3) of C, and the diameter D of wherein said through hole (1) meets following formula:
B＝E-D/2
B is the minimum thickness of overflow brick molding surface in the following formula, requires B 〉=100mm; E is the shortest distance of the center of through hole (1) to overflow groove body outer side;
The diameter C of described auxiliary rod (3) is less than the diameter D of through hole (1); Be filled with refractory materials (4) between described auxiliary rod (3) and through hole (1).
2. the method that photoelectric glass production according to claim 1 is gained in strength with overflow groove is characterized in that: the diameter C=0.98D of described auxiliary rod (3).
3. the method that photoelectric glass production according to claim 1 is gained in strength with overflow groove is characterized in that: on the symmetry centre that is centered close to described overflow groove body cross-section of described through hole (1).
4. the method that photoelectric glass production according to claim 1 is gained in strength with overflow groove, it is characterized in that: the material of described auxiliary rod (3) adopts melts the intensified type ni-base wrought superalloy admittedly, and the material of perhaps described auxiliary rod (3) is GH3030, GH3039, GH3044, GH3128, Al
2O
3, a kind of or more than one any mass ratioes in SiC, SnC or the quartz mixing material.
5. the method that photoelectric glass production according to claim 1 is gained in strength with overflow groove is characterized in that: described refractory materials (4) is refractory mortar or fibrous magnesium silicate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810231720 CN101381199A (en) | 2008-10-13 | 2008-10-13 | Strength enhancement method of overflow groove for photoelectric glass production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810231720 CN101381199A (en) | 2008-10-13 | 2008-10-13 | Strength enhancement method of overflow groove for photoelectric glass production |
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|---|---|
| CN101381199A true CN101381199A (en) | 2009-03-11 |
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ID=40461283
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| CN 200810231720 Pending CN101381199A (en) | 2008-10-13 | 2008-10-13 | Strength enhancement method of overflow groove for photoelectric glass production |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103764577A (en) * | 2011-08-31 | 2014-04-30 | 康宁股份有限公司 | Ceramic forming devices with a honeycomb structure and methods |
| JP2018508451A (en) * | 2015-02-04 | 2018-03-29 | コーニング インコーポレイテッド | Glass article forming system |
| CN110845121A (en) * | 2019-11-20 | 2020-02-28 | 成都中光电科技有限公司 | Overflow brick structure suitable for high-temperature creep |
-
2008
- 2008-10-13 CN CN 200810231720 patent/CN101381199A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103764577A (en) * | 2011-08-31 | 2014-04-30 | 康宁股份有限公司 | Ceramic forming devices with a honeycomb structure and methods |
| JP2018508451A (en) * | 2015-02-04 | 2018-03-29 | コーニング インコーポレイテッド | Glass article forming system |
| US10737962B2 (en) | 2015-02-04 | 2020-08-11 | Corning Incorporated | System for forming a glass article |
| CN110845121A (en) * | 2019-11-20 | 2020-02-28 | 成都中光电科技有限公司 | Overflow brick structure suitable for high-temperature creep |
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Open date: 20090311 |