CN108249743A - The method for shaping that a kind of suitable flexible glass is drawn - Google Patents
The method for shaping that a kind of suitable flexible glass is drawn Download PDFInfo
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- CN108249743A CN108249743A CN201810263689.5A CN201810263689A CN108249743A CN 108249743 A CN108249743 A CN 108249743A CN 201810263689 A CN201810263689 A CN 201810263689A CN 108249743 A CN108249743 A CN 108249743A
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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
- C03B17/068—Means for providing the drawing force, e.g. traction or draw rollers
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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
- C03B17/067—Forming glass sheets combined with thermal conditioning of the sheets
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
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Abstract
The method for shaping that a kind of suitable flexible glass is drawn, belong to the technical field that flexible glass draws sizing, it is shaped by shaping furnace, glass tape is after the outflow of platinum bushing plate mouth, it is opened up through edge machine thin, carry-over pinch rolls are drawn, into shaping furnace, the shaping furnace includes three layers of symmetrically arranged heating module, the side of heating module towards glass tape is provided with polycrystal carborundum soaking plate, cooling device is provided between first layer heating module and second layer heating module, the head of edge machine is arranged between the symmetrically arranged heating module of first layer, in the second layer, carry-over pinch rolls are both provided between the symmetrically arranged heating module of third layer.Method for shaping fixed effect of the present invention is stablized, and the flexible glass thickness drawn out is as thin as 0.04mm, thin thickness difference≤10 μm in effective dimensions, angularity≤0.1%.
Description
Technical field
The invention belongs to the technical fields that flexible glass draws sizing, are related to the method for shaping of flexible glass drawing, specifically
It is related to being carried out the method for shaping of flexible glass drawing with shaping furnace.Method for shaping fixed effect of the present invention is stablized, and what is drawn out is soft
Property thickness of glass is as thin as 0.04mm, thin thickness difference≤10 μm in effective dimensions, angularity≤0.1%.
Background technology
Flexible glass refers to thickness≤0.1mm, it can be achieved that the ultra-thin glass of " roll-to-roll " technique.Flexible glass can be curved
Song, while again with the hardness of glass, the transparency, heat resistance, electric insulating quality, air impermeability and in oxidation and light environment
The mechanically and chemically performance of lower stabilization.The high temperature resistance of flexible glass, which can meet part opto-electronic device, to be carried out at high temperature
The requirement of reason, the bending property protruded and winding performance cause all kinds of to prepare using continous way " roll-to-roll " printing technology
Opto-electronic device is possibly realized, and is the preferred substrates of following flexible printing opto-electronic device, it is possible to lead to Flexible Displays and too
The change and leap of essence occur for positive energy battery industry.
At present, Ji great glass companies in the world have flexible glass sample display, and form technical monopoly, but flexible glass
Application there is not yet product come out.In recent years, China has in terms of ultra-thin flat glass and develops on a large scale very much, but not yet carries out flexible
The research and development of glass need autonomous innovation, quickly put into and strengthen research and development capabilities.
Flexible glass due to thin as a piece of paper, in pulling process viscosity of glass metal it is uneven, temperature field temperature it is uneven,
The defects of Automatic manual transmission precision is low, the unreasonable of temperature schedule, mechanical oscillation can all cause glass to generate striped, warpage, this
It is that flexible glass delays the major reason of industrialization.
Invention content
To solve the above problems, providing the method for shaping that a kind of suitable flexible glass is drawn, present invention's present invention shapes
Process is stablized, and viscosity of glass metal is uniformly in pulling process, the temperature in temperature field is uniform, Automatic manual transmission precision is high, temperature schedule is closed
Reason, the glass of sizing are minimum without striped, angularity.
The present invention for realize its purpose the technical solution adopted is that：
The method for shaping that a kind of suitable flexible glass is drawn, is shaped by shaping furnace, and glass tape is from platinum bushing plate mouth
After outflow, open up thin, carry-over pinch rolls through edge machine and draw, into shaping furnace, the shaping furnace includes three layers of symmetrically arranged heated mould
Block, the side of heating module towards glass tape are provided with polycrystal carborundum soaking plate, add in first layer heating module with the second layer
Cooling device is provided between thermal modules, the head of edge machine is arranged between the symmetrically arranged heating module of first layer,
Carry-over pinch rolls are both provided between two layers, the symmetrically arranged heating module of third layer.Wherein first layer heating module bottom water square
To less than edge machine head position.
Each layer includes at least 1 group of symmetrically arranged heating module, and every group of heating module is symmetrically arranged including at least 3 pairs
Heating element, each heating element can be individually elastic relative to glass tape.
It is cold that glass edge is both provided between the adjacent heating module of the second layer, between the adjacent heating module of third layer
But device.
Polycrystal carborundum soaking plate in first layer is obliquely installed, and is 60 ° with horizontal angle.
Polycrystal carborundum soaking plate in the second layer and third layer is set with horizontal plane.
The cooling device is T-shaped cooling water pipe, and the T-shaped cooling water pipe can be horizontal far and near relative to ribbon surfaces
It is mobile.
Glass edge cooling device is L-type cooling water pipe, and the L-type cooling water pipe can be horizontal remote relative to edges
It is near mobile.
The linear velocity for controlling edge machine is 10-40mm/s, and the linear velocity of carry-over pinch rolls is 15-45mm/s.It is drawn by controlling
The linear velocity of edge machine and the linear velocity of carry-over pinch rolls, can realize the control to thickness of glass, which includes glass
Two aspect of thin degree and the thin and thick uniformity of glass.
The beneficial effects of the invention are as follows：
The method of the present invention is provided with the cooling system of adjustable uniform temperature control system and glass fast shaping, can be with
Suitable temperature at accurate control edge machine and carry-over pinch rolls, while glass tape can be made to be quickly cooled down in place, it can
The warpage and thin thickness difference of flexible glass are effectively prevented, the flexible glass that thickness is as thin as 0.04mm can be drawn out.
The present invention also has the advantage that：
(1) present invention uses polycrystal carborundum plate and the mode of heating of combined heated module, it can be achieved that lateral stability, longitudinal direction
The accurate temperature field of gradient distribution.
(2) the inclination polycrystal carborundum plate that the heating module of first layer of the present invention is installed towards glass tape, can make just from
Reach suitable drawing side temperature in the glass metal short time of platinum bushing plate outflow, prevent glass tape from excessively being received due to surface tension
Contracting.
(3) present invention is equipped with multiple T-shaped cooling water pipe combinations below first layer heating module, which can be according to glass
The temperature adjustable range of glass band, the rapid cooling and shaping of glass tape after making exhibition thin.
(4) position installation L-type cooling device, the dress between adjacent heating module of the present invention in the second layer and third layer
It puts and is cooled down primarily directed to thicker glass edge, prevent edge deformation from causing the warpage of glass.
(5) shaping equipment that designs of the present invention can draw out thickness and be as thin as 0.04mm, the μ of thin thickness difference in effective dimensions≤10
M, the flexible glass of angularity≤0.1%.
(6) design of shaping furnace polycrystal carborundum soaking plate of the present invention, cooling device and glass edge cooling device are set
Count during the shaping glass sheets completely soaking, stabilization environment in be molded, glass surface is not in any trace
And damage, the glass pane surface quality prepared is very high, without the processing of subsequent grinding and polishing；It disclosure satisfy that different groups simultaneously
Divide, the glass production of temperature requirement.
Description of the drawings
Fig. 1 is the schematic cross-section of shaping equipment of the present invention.
Fig. 2 is the schematic diagram of horizontal combination cooling system of the present invention.
Fig. 3 is the schematic diagram of vertical cooling system of the invention.
In attached drawing, 1 represents heating module, and 2 represent polycrystal carborundum soaking plate, and 3 represent glass tape, and 4 represent edge machine
Head, 5 represent cooling device, and 6 represent carry-over pinch rolls, and 7 represent glass edge cooling device.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is further illustrated.
Embodiment 1
Soda-lime-silica glass broken particle is selected to be melted, the specific ingredient of glass is：By weight percentage, SiO272%,
Al2O31.5%, CaO8%, MgO4%, Na2O14.5%.The glass melted is flowed out through platinum slit, slit width 2mm.
3 layers of heating module point in shaping furnace, totally 6 groups, every group of heating module is made of 3 heating modules, first layer heating
Module cross-sectional area is 100 × 200mm, and the second layer is 200 × 200mm with third layer heating module cross-sectional area.Every group of heating
Module front end is provided with polycrystal carborundum plate, and the distance of first layer polycrystal carborundum plate base and glass tape is 12mm, the second layer
It is 20mm with the distance of third layer polycrystal carborundum plate base and glass tape.By front and rear adjustment heating module apart from glass tape
Position makes transverse temperature field uniform.Temperature at first layer heating module centre pane band is controlled to control at 710 DEG C, the second layer adds
Temperature control temperature at 500 DEG C, third layer heating module centre pane band is controlled at 400 DEG C at thermal modules centre pane band.
Cooling device is adjusted, cooling medium is cold water or cold air, and T-shaped cooling tube is adjusted away from glass tape by left and right
100mm, by the L-type cooling tube of front and rear adjustment glass edge cooling device away from glass edge 50mm.
Edge machine and carry-over pinch rolls rotating speed are adjusted, roller rotational speed control is controlled in 10mm/s, carry-over pinch rolls rotating speed in 15mm/s.
In first layer heating module center position, a temperature is measured every 150mm, from left to right Temperature Distribution is for detection
731 DEG C, 736 DEG C, 740 DEG C, 735 DEG C, 730 DEG C.
In second layer heating module center position, a temperature is measured every 150mm, from left to right Temperature Distribution is for detection
492 DEG C, 496 DEG C, 500 DEG C, 495 DEG C, 491 DEG C.
In third layer heating module center position, a temperature is measured every 150mm, from left to right Temperature Distribution is for detection
393 DEG C, 397 DEG C, 400 DEG C, 395 DEG C, 391 DEG C.
Pass through detection, it can be seen that temperature field uniformity of temperature profile.It is tested by drawing, the flexible glass sample of drawing
Thickness is 0.07mm, 10 μm of thin thickness difference in effective thickness, angularity 0.1%, yield rate 83%.
Embodiment 2
Soda-lime-silica glass broken particle is selected to be melted, the specific ingredient of glass is：By weight percentage, SiO272%,
Al2O31.5%, CaO8%, MgO4%, Na2O14.5%.The glass melted is flowed out through platinum slit, slit width 2mm.
3 layers of heating module point in shaping furnace, totally 6 groups, every group of heating module is made of 5 heating modules, first layer heating
Module cross-sectional area is 100 × 120mm, and the second layer is 120 × 200mm with third layer heating module cross-sectional area.Every group of heating
Module front end is provided with polycrystal carborundum plate, and the distance of first layer polycrystal carborundum plate base and glass tape is 12mm, the second layer
It is 20mm with the distance of third layer polycrystal carborundum plate base and glass tape.By front and rear adjustment heating module apart from glass tape
Position makes transverse temperature field uniform.Temperature control is at 710 DEG C at first layer heating module centre pane band, second layer heated mould
Temperature control temperature at 500 DEG C, third layer heating module centre pane band is controlled at 400 DEG C at block centre pane band.
Cooling device is adjusted, cooling medium is cold water or cold air, and T-shaped cooling tube is adjusted away from glass tape by left and right
100mm, by the L-type cooling tube of front and rear adjustment glass edge cooling device away from glass edge 50mm.
Edge machine and carry-over pinch rolls rotating speed are adjusted, roller rotational speed control is controlled in 10mm/s, carry-over pinch rolls rotating speed in 15mm/s.
In first layer heating module center position, a temperature is measured every 150mm, from left to right Temperature Distribution is for detection
739 DEG C, 740 DEG C, 740 DEG C, 739 DEG C, 739 DEG C.
In second layer heating module center position, a temperature is measured every 150mm, from left to right Temperature Distribution is for detection
499 DEG C, 500 DEG C, 500 DEG C, 500 DEG C, 499 DEG C.
In third layer heating module center position, a temperature is measured every 150mm, from left to right Temperature Distribution is for detection
400 DEG C, 400 DEG C, 400 DEG C, 400 DEG C, 399 DEG C.
Pass through detection, it can be seen that temperature field uniformity of temperature profile.It is tested by drawing, the flexible glass sample of drawing
Thickness is 0.07mm, 8.5 μm of thin thickness difference in effective thickness, 0.08% yield rate 88% of angularity.
Embodiment 3
Soda-lime-silica glass broken particle is selected to be melted, the specific ingredient of glass is：By weight percentage, SiO272%,
Al2O31.5%, CaO8%, MgO4%, Na2O14.5%.The glass melted is flowed out through platinum slit, slit width 2mm.
3 layers of heating module point in shaping furnace, totally 6 groups, every group of heating module is made of 5 heating modules, first layer heating
Module cross-sectional area is 100 × 120mm, and the second layer is 120 × 200mm with third layer heating module cross-sectional area.Every group of heating
Module front end is provided with polycrystal carborundum plate, and the distance of first layer polycrystal carborundum plate base and glass tape is 12mm, the second layer
It is 20mm with the distance of third layer polycrystal carborundum plate base and glass tape.By front and rear adjustment heating module apart from glass tape
Position makes transverse temperature field uniform.Temperature control is at 710 DEG C at first layer heating module centre pane band, second layer heated mould
Temperature control temperature at 500 DEG C, third layer heating module centre pane band is controlled at 400 DEG C at block centre pane band.
Cooling device is adjusted, cooling medium is cold water or cold air, and T-shaped cooling tube is adjusted away from glass tape by left and right
60mm, by the L-type cooling tube of front and rear adjustment glass edge cooling device away from glass edge 30mm.
Edge machine and carry-over pinch rolls rotating speed are adjusted, roller rotational speed control is controlled in 10mm/s, carry-over pinch rolls rotating speed in 15mm/s.
In first layer heating module center position, a temperature is measured every 150mm, from left to right Temperature Distribution is for detection
739 DEG C, 740 DEG C, 740 DEG C, 739 DEG C, 739 DEG C.
In second layer heating module center position, a temperature is measured every 150mm, from left to right Temperature Distribution is for detection
499 DEG C, 500 DEG C, 500 DEG C, 500 DEG C, 499 DEG C.
In third layer heating module center position, a temperature is measured every 150mm, from left to right Temperature Distribution is for detection
400 DEG C, 400 DEG C, 400 DEG C, 400 DEG C, 399 DEG C.
Pass through detection, it can be seen that temperature field uniformity of temperature profile.It is tested by drawing, the flexible glass sample of drawing
Thickness is 0.06mm, 7.5 μm of thin thickness difference in effective thickness, angularity 0.06%, yield rate 91%.
Embodiment 4
Soda-lime-silica glass broken particle is selected to be melted, the specific ingredient of glass is：By weight percentage, SiO272%,
Al2O31.5%, CaO8%, MgO4%, Na2O14.5%.The glass melted is flowed out through platinum slit, slit width 2mm.
3 layers of heating module point in shaping furnace, totally 6 groups, every group of heating module is made of 5 heating modules, first layer heating
Module cross-sectional area is 100 × 120mm, and the second layer is 120 × 200mm with third layer heating module cross-sectional area.Every group of heating
Module front end is provided with polycrystal carborundum plate, and the distance of first layer polycrystal carborundum plate base and glass tape is 12mm, the second layer
It is 20mm with the distance of third layer polycrystal carborundum plate base and glass tape.By front and rear adjustment heating module apart from glass tape
Position makes transverse temperature field uniform.Temperature control is at 710 DEG C at first layer heating module centre pane band, the 2nd layer of heating module
Temperature control temperature at 500 DEG C, third layer heating module centre pane band is controlled at 400 DEG C at centre pane band.
Cooling device is adjusted, cooling medium is cold water or cold air, and T-shaped cooling tube is adjusted away from glass tape by left and right
60mm, by the L-type cooling tube of front and rear adjustment glass edge cooling device away from glass edge 30mm.
Edge machine and carry-over pinch rolls rotating speed are adjusted, roller rotational speed control is controlled in 25mm/s, carry-over pinch rolls rotating speed in 30mm/s.
In first layer heating module center position, a temperature is measured every 150mm, from left to right Temperature Distribution is for detection
739 DEG C, 740 DEG C, 740 DEG C, 739 DEG C, 739 DEG C.
In second layer heating module center position, a temperature is measured every 150mm, from left to right Temperature Distribution is for detection
499 DEG C, 500 DEG C, 500 DEG C, 500 DEG C, 499 DEG C.
In third layer heating module center position, a temperature is measured every 150mm, from left to right Temperature Distribution is for detection
400 DEG C, 400 DEG C, 400 DEG C, 400 DEG C, 399 DEG C.
Pass through detection, it can be seen that temperature field uniformity of temperature profile.It is tested by drawing, the flexible glass sample of drawing
Thickness is 0.06mm, 7 μm of thin thickness difference in effective thickness, angularity 0.06%, yield rate 89%.
Embodiment 5
Soda-lime-silica glass broken particle is selected to be melted, the specific ingredient of glass is：By weight percentage, SiO272%,
Al2O31.5%, CaO8%, MgO4%, Na2O14.5%.The glass melted is flowed out through platinum slit, slit width 2mm.
3 layers of heating module point in shaping furnace, totally 6 groups, every group of heating module is made of 5 heating modules, first layer heating
Module cross-sectional area is 100 × 120mm, and the second layer is 120 × 200mm with third layer heating module cross-sectional area.Every group of heating
Module front end is provided with polycrystal carborundum plate, and the distance of first layer polycrystal carborundum plate base and glass tape is 12mm, the second layer
It is 20mm with the distance of third layer polycrystal carborundum plate base and glass tape.By front and rear adjustment heating module apart from glass tape
Position makes transverse temperature field uniform.Temperature control is at 710 DEG C at first layer heating module centre pane band, second layer heated mould
Temperature control temperature at 500 DEG C, third layer heating module centre pane band is controlled at 400 DEG C at block centre pane band.
Cooling device is adjusted, cooling medium is cold water or cold air, and T-shaped cooling tube is adjusted away from glass tape by left and right
60mm, by the L-type cooling tube of front and rear adjustment glass edge cooling device away from glass edge 30mm.
Edge machine and carry-over pinch rolls rotating speed are adjusted, roller rotational speed control is controlled in 40mm/s, carry-over pinch rolls rotating speed in 45mm/s.
In first layer heating module center position, a temperature is measured every 150mm, from left to right Temperature Distribution is for detection
739 DEG C, 740 DEG C, 740 DEG C, 739 DEG C, 739 DEG C.
In second layer heating module center position, a temperature is measured every 150mm, from left to right Temperature Distribution is for detection
499 DEG C, 500 DEG C, 500 DEG C, 500 DEG C, 499 DEG C.
In third layer heating module center position, a temperature is measured every 150mm, from left to right Temperature Distribution is for detection
400 DEG C, 400 DEG C, 400 DEG C, 400 DEG C, 399 DEG C.
Pass through detection, it can be seen that temperature field uniformity of temperature profile.It is tested by drawing, the flexible glass sample of drawing
Thickness is 0.04mm, 7 μm of thin thickness difference in effective thickness, angularity 0.05%, yield rate 86%.
Embodiment 6
It is further preferred that using the glass ingredient of following adjustment, with reference to the control of the structure sum of shaping furnace, can prepare
Go out the flexible glass that thickness is as thin as 0.02mm, and high yield rate is up to more than 95%, without subsequent polishing treatment.
The ingredient of glass by weight percentage, including SiO250.8-62.5%, Al2O30.2-0.7%, CaO 0.2-
8.2%, MgO 8-10.6%, Na2O 3-6%, B2O310-15.9%, Bi2O33-5%, K2O0.1-0.5%, CeO2 4.6-
5.1%, P2O50.2-1%.The glass broken particle carries out first being eluted or rinsed 1-2min with nitrogen before being melted, it is therefore an objective to
Glass is cleaned, reduces intergranular mechanical wear, the surface energy of particle is reduced, avoids sheet glass in preparation process
In, the phenomenon that fracture, reduce crackle.
The glass ingredient of the present embodiment by weight percentage, including SiO260%, Al2O30.5%, CaO 5%, MgO
9.5%, Na2O 5%, B2O310%, Bi2O34%, K2O 0.4%, CeO24.6%, P2O51%.The glass warp melted
Platinum slit flows out, slit width 2mm.
3 layers of heating module point in shaping furnace, totally 6 groups, every group of heating module is made of 5 heating modules, first layer heating
Module cross-sectional area is 100 × 120mm, and the second layer is 120 × 200mm with third layer heating module cross-sectional area.Every group of heating
Module front end is provided with polycrystal carborundum plate, and the distance of first layer polycrystal carborundum plate base and glass tape is 12mm, the second layer
It is 20mm with the distance of third layer polycrystal carborundum plate base and glass tape.By front and rear adjustment heating module apart from glass tape
Position makes transverse temperature field uniform.Temperature control is at 710 DEG C at first layer heating module centre pane band, second layer heated mould
Temperature control temperature at 500 DEG C, third layer heating module centre pane band is controlled at 400 DEG C at block centre pane band.
Cooling device is adjusted, cooling medium is cold water or cold air, and T-shaped cooling tube is adjusted away from glass tape by left and right
60mm, by the L-type cooling tube of front and rear adjustment glass edge cooling device away from glass edge 30mm.
Edge machine and carry-over pinch rolls rotating speed are adjusted, roller rotational speed control is controlled in 40mm/s, carry-over pinch rolls rotating speed in 45mm/s.
In first layer heating module center position, a temperature is measured every 150mm, from left to right Temperature Distribution is for detection
739 DEG C, 740 DEG C, 740 DEG C, 739 DEG C, 739 DEG C.
In second layer heating module center position, a temperature is measured every 150mm, from left to right Temperature Distribution is for detection
499 DEG C, 500 DEG C, 500 DEG C, 500 DEG C, 499 DEG C.
In third layer heating module center position, a temperature is measured every 150mm, from left to right Temperature Distribution is for detection
400 DEG C, 400 DEG C, 400 DEG C, 400 DEG C, 399 DEG C.
Pass through detection, it can be seen that temperature field uniformity of temperature profile.It is tested by drawing, the flexible glass sample of drawing
Thickness is 0.02mm, 3 μm of thin thickness difference in effective thickness, angularity 0.005%.The glass plate thickness that draws out uniformly, flat smooth,
Without ripple glaze.
Embodiment 7
The glass ingredient of the present embodiment by weight percentage, including SiO262.5%, Al2O30.7%, CaO
1.9%, MgO 8.3%, Na2O 6%, B2O312%, Bi2O33%, K2O 0.1%, CeO25%, P2O50.5%.The glass
Glass broken particle carries out first being rinsed 1min with nitrogen before being melted, and the glass melted is flowed out through platinum slit, slit width
2mm。
3 layers of heating module point in shaping furnace, totally 6 groups, every group of heating module is made of 5 heating modules, first layer heating
Module cross-sectional area is 100 × 120mm, and the second layer is 120 × 200mm with third layer heating module cross-sectional area.Every group of heating
Module front end is provided with polycrystal carborundum plate, and the distance of first layer polycrystal carborundum plate base and glass tape is 12mm, the second layer
It is 20mm with the distance of third layer polycrystal carborundum plate base and glass tape.By front and rear adjustment heating module apart from glass tape
Position makes transverse temperature field uniform.Temperature control is at 710 DEG C at first layer heating module centre pane band, the 2nd layer of heating module
Temperature control temperature at 500 DEG C, third layer heating module centre pane band is controlled at 400 DEG C at centre pane band.
Cooling device is adjusted, cooling medium is cold water or cold air, and T-shaped cooling tube is adjusted away from glass tape by left and right
60mm, by the L-type cooling tube of front and rear adjustment glass edge cooling device away from glass edge 30mm.
Edge machine and carry-over pinch rolls rotating speed are adjusted, roller rotational speed control is controlled in 25mm/s, carry-over pinch rolls rotating speed in 30mm/s.
In first layer heating module center position, a temperature is measured every 150mm, from left to right Temperature Distribution is for detection
739 DEG C, 740 DEG C, 740 DEG C, 739 DEG C, 739 DEG C.
In second layer heating module center position, a temperature is measured every 150mm, from left to right Temperature Distribution is for detection
499 DEG C, 500 DEG C, 500 DEG C, 500 DEG C, 499 DEG C.
In third layer heating module center position, a temperature is measured every 150mm, from left to right Temperature Distribution is for detection
400 DEG C, 400 DEG C, 400 DEG C, 400 DEG C, 399 DEG C.
Pass through detection, it can be seen that temperature field uniformity of temperature profile.It is tested by drawing, the flexible glass sample of drawing
Thickness is 0.023mm, 4 μm of thin thickness difference in effective thickness, angularity 0.009%.The glass plate thickness that draws out is uniform, smooth light
It is sliding, no ripple glaze, without being processed by shot blasting again.
Flexible glass is transitioned into the low-temperature space close to solid, temperature change during drawing, by the high-temperature region melted
It is bigger, wavy waste material is easily presented or needs to carry out second polishing, reduces yield rate, the present invention is by adding rushing for nitrogen
It washes, the design of binding component improves the above problem, improves yield rate.Na2O、K2O forms mixed alkali effect, B2O3With
Al2O3、SiO2Solid solution mixture is formed, above-mentioned five kinds of ingredient collective effects reduce glass surface tension；MgO、CaO、Bi2O3、
CeO2、P2O5Increase the stability of glass, reduce the high temperature viscosity of glass, improve the material of glass, adjust viscosity-temperature of glass
It writes music line, so as to reduce influence of the temperature to glass.
Flexible glass because its to it is light to it is thin the characteristics of, be processed by shot blasting it is extremely difficult, it is easy to cause
Glass breaking reduces yield rate, and development of the invention, not only reduces operation at the problem of significantly improving second polishing
Difficulty, and yield rate is improved, significant effect.
Claims (8)
1. the method for shaping that a kind of suitable flexible glass is drawn, is shaped by shaping furnace, glass tape is from platinum bushing plate mouth stream
It after going out, opens up thin, carry-over pinch rolls through edge machine and draws, into shaping furnace, which is characterized in that the shaping furnace includes three layers and is symmetrical arranged
Heating module, the side of heating module towards glass tape is provided with polycrystal carborundum soaking plate, first layer heating module with
Be provided with cooling device between second layer heating module, the head of edge machine be arranged on the symmetrically arranged heating module of first layer it
Between, it is both provided with carry-over pinch rolls between the second layer, the symmetrically arranged heating module of third layer.
2. the method for shaping that a kind of suitable flexible glass according to claim 1 is drawn, which is characterized in that each layer is at least
Comprising 1 group of symmetrically arranged heating module, every group of heating module includes at least 3 pairs of symmetrically arranged heating elements, each to heat
Element can be individually elastic relative to glass tape.
3. the method for shaping that a kind of suitable flexible glass according to claim 1 is drawn, which is characterized in that in the second layer
Glass edge cooling device is both provided between adjacent heating module, between the adjacent heating module of third layer.
4. the method for shaping that a kind of suitable flexible glass according to claim 1 is drawn, which is characterized in that in first layer
Polycrystal carborundum soaking plate is obliquely installed, and is 60 ° with horizontal angle.
5. the method for shaping that a kind of suitable flexible glass according to claim 1 is drawn, which is characterized in that the second layer and the
Polycrystal carborundum soaking plate in three layers is set with horizontal plane.
6. the method for shaping that a kind of suitable flexible glass according to claim 1 is drawn, which is characterized in that the cooling
Device is T-shaped cooling water pipe, and the T-shaped cooling water pipe can be horizontal far and near mobile relative to ribbon surfaces.
7. the method for shaping that a kind of suitable flexible glass according to claim 3 is drawn, which is characterized in that glass edge is cold
But device is L-type cooling water pipe, and the L-type cooling water pipe can be horizontal far and near mobile relative to edges.
8. the method for shaping that a kind of suitable flexible glass according to claim 1 is drawn, which is characterized in that control edge machine
Linear velocity for 10-40mm/s, the linear velocity of carry-over pinch rolls is 15-45mm/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810263689.5A CN108249743B (en) | 2018-03-28 | 2018-03-28 | Shaping method suitable for drawing flexible glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810263689.5A CN108249743B (en) | 2018-03-28 | 2018-03-28 | Shaping method suitable for drawing flexible glass |
Publications (2)
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| CN110255863A (en) * | 2019-07-22 | 2019-09-20 | 陕西工业职业技术学院 | A kind of flexible glass plate root control system and its control method |
| 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 |
| CN111470762A (en) * | 2020-04-29 | 2020-07-31 | 四川旭虹光电科技有限公司 | Flexible glass and preparation method and preparation device thereof |
| CN111646676A (en) * | 2020-07-01 | 2020-09-11 | 彩虹显示器件股份有限公司 | Substrate glass forming temperature field control device and method |
| CN112340965A (en) * | 2020-12-08 | 2021-02-09 | 河北省沙河玻璃技术研究院 | Production device and production method of flexible glass |
| CN113135649A (en) * | 2021-04-29 | 2021-07-20 | 中建材（蚌埠）光电材料有限公司 | UTG glass sheet production forming method and forming device |
| CN114956523A (en) * | 2022-06-28 | 2022-08-30 | 石家庄旭新光电科技有限公司 | Flexible glass draws limit draw gear and production facility |
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| 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 |
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| CN111470762A (en) * | 2020-04-29 | 2020-07-31 | 四川旭虹光电科技有限公司 | Flexible glass and preparation method and preparation device thereof |
| CN111646676A (en) * | 2020-07-01 | 2020-09-11 | 彩虹显示器件股份有限公司 | Substrate glass forming temperature field control device and method |
| CN111646676B (en) * | 2020-07-01 | 2023-09-22 | 彩虹显示器件股份有限公司 | Device and method for controlling substrate glass forming temperature field |
| CN112340965A (en) * | 2020-12-08 | 2021-02-09 | 河北省沙河玻璃技术研究院 | Production device and production method of flexible glass |
| CN113135649A (en) * | 2021-04-29 | 2021-07-20 | 中建材（蚌埠）光电材料有限公司 | UTG glass sheet production forming method and forming device |
| CN113135649B (en) * | 2021-04-29 | 2022-05-17 | 中建材（蚌埠）光电材料有限公司 | UTG glass sheet production forming method and forming device |
| CN114956523A (en) * | 2022-06-28 | 2022-08-30 | 石家庄旭新光电科技有限公司 | Flexible glass draws limit draw gear and production facility |
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