KR101218224B1 - Apparatus for manufacturing a tempered glass - Google Patents

Apparatus for manufacturing a tempered glass Download PDF

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Publication number
KR101218224B1
KR101218224B1 KR1020100112553A KR20100112553A KR101218224B1 KR 101218224 B1 KR101218224 B1 KR 101218224B1 KR 1020100112553 A KR1020100112553 A KR 1020100112553A KR 20100112553 A KR20100112553 A KR 20100112553A KR 101218224 B1 KR101218224 B1 KR 101218224B1
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South Korea
Prior art keywords
heating
air inlet
chamber
tempered glass
cooling unit
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KR1020100112553A
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Korean (ko)
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KR20120051220A (en
Inventor
이회관
조서영
최재영
권윤영
이종성
박경욱
윤경민
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삼성코닝정밀소재 주식회사
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Priority to KR1020100112553A priority Critical patent/KR101218224B1/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/50Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57Improving the yield, e-g- reduction of reject rates

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  • Chemical & Material Sciences (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)

Abstract

The present invention is a tempered glass manufacturing apparatus comprising a heating chamber and a cooling chamber, the heating chamber, the upper heating portion is installed obliquely at a predetermined angle, the lower heating portion is installed to be spaced apart from the upper heating portion, the lower heating portion and the upper An upper cooling unit formed between the heating units and transferring the glass substrate to be heated, an upper cooling unit installed at an angle to the cooling chamber at an angle, a lower cooling unit spaced apart from the upper cooling unit, And a second transfer device formed between the lower cooling unit and the upper cooling unit to transfer the glass substrate to be cooled.

Description

Apparatus for manufacturing a tempered glass

The present invention relates to a tempered glass manufacturing apparatus, and more particularly to a tempered glass manufacturing apparatus to be more complete through the quenching to maximize the difference in the internal and external temperature of the glass substrate to the maximum.

In general, tempered glass is widely used in solar cell substrates and display devices because it has a much higher strength against pressure and temperature changes and breaks into small grains compared to conventional glass substrates, thereby reducing the risk of debris.

Tempered glass is heated by heating the glass substrate to about 600 ~ 900 ℃ in the heating chamber and then moved to the cooling chamber through the transfer means, and by injecting air through the air nozzle of the air cooling device in the upper and lower parts of the heated glass substrate, Cool the surface temperature to 200 ~ 400 ℃ rapidly. As a result, tempered glass whose strength is superior to that of the glass substrate is produced by remaining compressive stress in the surface layer of the heated glass.

However, the conventional tempered glass manufacturing apparatus has a limitation in increasing the strength of the tempered glass because it is cooled by the air cooling device that directly sucks the air of the atmosphere and sprayed into the glass. The strength of the tempered glass increases as the heated glass is cooled at a rapid rate. In the related art, since the cooling proceeds through air at room temperature, the heated glass is gradually cooled. Accordingly, the reinforcement is made incompletely and the product defect rate is increased. This phenomenon has a problem that occurs more severely in the summer when the air temperature increases.

In addition, a glass substrate transfer apparatus using a roller is conventionally used. In the case of the glass substrate transfer apparatus, there is a problem that the surface of the glass substrate is damaged in the process of contacting the surface of the glass substrate and the roller surface. For example, when a roller is used to transfer a glass substrate in a high temperature environment such as a heating chamber, there is a problem in that deformation of the glass substrate occurs such as bending or deflection, scratches, and wavy grooves (aka roller wave).

Meanwhile, as the demand for solar cell substrates and large flat panel display devices larger than 30 inches has increased in recent years, the demand for large area tempered glass has increased. Accordingly, there is a need for a method to increase the tempered glass manufacturing time and production efficiency.

The present invention has been proposed to solve the above problems, an object of the present invention is to provide a tempered glass manufacturing apparatus to maximize the difference between the internal and external temperature of the glass substrate and to make the reinforcement is more complete through rapid cooling. .

Another object of the present invention is to provide a glass substrate transfer apparatus capable of minimizing warping, sagging, scratching, or deformation of the glass substrate during transfer.

Another object of the present invention is to provide a tempered glass manufacturing apparatus that can increase the tempered glass manufacturing time and production efficiency.

In order to achieve the above object, as a tempered glass manufacturing apparatus comprising a heating chamber and a cooling chamber according to an aspect of the present invention, the heating chamber, the upper heating portion is installed obliquely at a predetermined angle, the upper heating portion and spaced apart An upper cooling part formed between the lower heating part and the lower heating part and the upper heating part and configured to transfer a glass substrate to be heated, wherein the cooling chamber is installed at an angle at an angle; And a second transfer device configured to be spaced apart from the upper cooling unit, and a second transfer device formed between the lower cooling unit and the upper cooling unit to transfer the glass substrate to be cooled.

Tempered glass manufacturing apparatus according to an additional aspect of the present invention, the upper heating portion, the space portion, the upper air inlet for injecting outside air into the space, and the outlet for discharging the air injected from the upper air inlet to the outside is formed Injected from the upper air inlet through the upper body, the upper electrode plate formed inside the upper body and having a plurality of through holes formed thereon, and applying high frequency energy, and the plurality of through holes provided on the upper electrode plate. A first heating element configured to pass through the air, the lower heating portion having a space portion, a lower air inlet for injecting external air into the space portion, and a lower air outlet for discharging air injected from the lower air inlet to the outside The lower electrode which is installed inside the main body and the lower main body and has a plurality of through holes and is subjected to high frequency energy. And, it disposed under the lower electrode plate, and a second heating element is formed with a injection of air from the lower air inlet through the plurality of through-holes of the lower electrode plate to pass through.

Tempered glass manufacturing apparatus according to an additional aspect of the present invention, the heating chamber comprises a first heating chamber and a second heating chamber is installed symmetrically, the cooling chamber is a first cooling chamber and the second symmetrically installed It includes a cooling chamber.

According to the configuration as described above, the tempered glass manufacturing apparatus of the present invention is implemented by including the upper, lower heating portion and the upper, lower cooling portion, to maximize the temperature difference between the inside and outside of the glass substrate and to strengthen through quenching more complete There is a useful effect that can be achieved.

The tempered glass manufacturing apparatus of the present invention is implemented so that the surface of the glass substrate is conveyed in a non-contact manner, there is a useful effect that can minimize the bending or deflection, scratch, appearance deformation of the glass substrate compared to the contact conveying device.

In addition, the tempered glass manufacturing apparatus according to the present invention is implemented by including a first heating chamber and the second heating chamber is installed symmetrically and the first cooling chamber and the second cooling chamber is installed symmetrically, required tempered glass According to the production amount, single or dual loading method of glass substrate can be adopted, and there is a useful effect to increase the tempered glass manufacturing time and production efficiency.

1 shows an apparatus for producing tempered glass according to a first embodiment of the present invention.
2 is a cross-sectional view of the heating chamber according to FIG. 1.
3 is an exemplary view for explaining the structure of the heating chamber according to FIG. 1.
4 shows a tempered glass manufacturing apparatus according to a second embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the present embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the like elements throughout.

1 is a view showing a tempered glass manufacturing apparatus according to a first embodiment of the present invention, Figure 2 is a cross-sectional view for explaining the structure of the heating chamber according to Figure 1, Figure 3 is the structure of the heating chamber according to Figure 1 It is an exemplary view for explaining.

First, as shown in FIG. 1, the tempered glass manufacturing apparatus according to the present invention includes a heating chamber 100 and a cooling chamber 200, and the heating chamber 100 and the cooling chamber 200 are respectively. It may be formed side by side in symmetry. That is, the apparatus for producing tempered glass according to the present invention may mount the glass substrates 1 to 4 in a single or dual loading manner.

The heating chamber 100 heats the glass substrates 1 to 4 and is implemented by including a radiation heating method and high frequency dielectric heating. Hereinafter, the structure of the heating chamber 100 will be described with reference to FIG. 2.

As shown in FIG. 2, in one example, the heating chamber 100 includes upper heating parts 110 and 120 installed obliquely at a predetermined angle, and a lower heating part spaced apart from the upper heating parts 110 and 120. 130 and 140 and transfer devices 150 and 160.

The upper heating parts 110 and 120 largely include the upper bodies 111 and 121, the upper electrode plates 112 and 122, and the first heating elements 113 and 123. The upper electrode plates 112 and 122 are for high frequency dielectric heating, and the first heating elements 113 and 123 heat the glass substrates 5 and 6 so that the glass substrates 5 and 6 are at ambient temperature for high frequency dielectric heating. (Eg, 350 ° C to 500 ° C).

The upper main bodies 111 and 121 are injected through the spaces 111a and 121a, the upper air inlets 111b and 121b for injecting external air into the spaces 111a and 121a, and the upper air inlets 111b and 121b. Outlets 111c and 121c for discharging the air to the outside. Here, the air injected into the upper air inlets 111b and 121b heats the glass substrates 5 and 6 so that the glass substrates 5 and 6 have an ambient temperature (eg, 350 ° C. to 500 ° C.) for high frequency dielectric heating. ) Is formed.

The upper electrode plates 112 and 122 are installed in the spaces 111a and 121a of the upper bodies 111 and 121, and a plurality of through holes 112a are formed. The material of the upper electrode plates 112 and 122 may be made of metal (eg, aluminum, iron, copper).

The first heating elements 113 and 123 are installed on the upper electrode plates 112 and 122, and as shown in FIG. 3, the upper air inlets are formed through the plurality of through holes 112a of the upper electrode plates 112 and 122. Air injected from 111b and 121b is formed to pass. The first heating elements 113 and 123 may be implemented as, for example, an infrared heater 22, for example, a near infrared (NIR) lamp or a mid infrared (MIR) lamp.

The lower heating parts 130 and 140 largely include lower body 131 and 141, lower electrode plates 132 and 142, and second heating elements 133 and 143. The lower electrode plates 132 and 142 are for high frequency dielectric heating, and the second heating elements 133 and 143 heat the glass substrates 5 and 6 so that the glass substrates 5 and 6 are at atmospheric temperature for high frequency dielectric heating. (Eg, 350 ° C to 500 ° C).

The lower main bodies 131 and 141 are space portions 131a and 141a, a lower air inlet 131a for injecting outside air into the spaces 131a and 141a, and air injected from the lower air inlet 131a. And discharge outlets 131c and 141c to be discharged. Here, the air injected into the lower air inlet 131a heats the glass substrates 5 and 6 so that the glass substrates 5 and 6 have an ambient temperature (for example, 350 ° C. to 500 ° C.) for high frequency dielectric heating. To form.

The lower electrode plates 132 and 142 are installed in the spaces 131a and 141a of the lower main bodies 131 and 141, and a plurality of through holes 132a are formed. The material of the lower electrode plates 132 and 142 may be made of metal (eg, aluminum, iron, copper).

The second heating elements 133 and 143 are installed on the lower electrode plates 132 and 142, and the air injected from the lower air inlet 131a through the plurality of through holes 112a of the upper electrode plates 112 and 122. It is formed to pass through. For example, the second heating elements 133 and 143 may be implemented as an infrared heater, for example, a near infrared (NIR) lamp or a middle infrared (MIR) lamp.

The transfer devices 150 and 160 are formed between the lower heating parts 130 and 140 and the upper heating parts 110 and 120, and transfer the glass substrates 5 and 6. Tempered glass manufacturing apparatus according to the present invention is implemented so that the surface of the glass substrate (5, 6) is transferred in a non-contact manner. That is, the apparatus for manufacturing tempered glass according to the present invention is implemented such that only the side edge portions of the glass substrates 5 and 6 are contacted when the glass substrates 5 and 6 are transferred. The conveying devices 150 and 160 may be implemented by any one of a roller or a conveyor belt.

In FIG. 1, the cooling chamber 200 includes an upper cooling unit (not shown) installed obliquely at an angle, a lower cooling unit (not shown) installed separately from the upper cooling unit, and a lower portion. It is formed between the cooling unit and the upper cooling unit, it is implemented including a transfer device (not shown) for transferring the glass substrate to be cooled.

The conveying apparatus of the cooling chamber 200 is the same as the conveying apparatus of the heating chamber 100. However, the upper cooling part and the lower cooling part of the cooling chamber 200 are different from the upper heating parts 110 and 120 and the lower heating parts 130 and 140 of the heating chamber 100. That is, since the heating chamber 100 is for heating the glass substrate, the upper electrode plates 112 and 122, the first heating elements 113 and 123, the lower electrode plates 132 and 142, and the second heating elements 133 and 143. In the cooling chamber 200, the upper electrode plates 112 and 122, the first heating elements 113 and 123, the lower electrode plates 132 and 142, and the second heating elements 133 of the heating chamber 100 are included in the cooling chamber 200. 143).

The cooling chamber 200 sprays the compressed cooling air onto the glass substrates 5 and 6 to cool the glass substrates 5 and 6.

4 shows a tempered glass manufacturing apparatus according to a second embodiment of the present invention. Here, the same reference numerals as in FIG. 2 have the same configuration. In the apparatus for manufacturing tempered glass according to the second embodiment of the present invention, the lower air inlets 131a and 141a of the lower main bodies 131 and 141 are separated from each other and installed in opposite directions.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims. Accordingly, the true scope of the present invention should be determined only by the appended claims.

100: heating chamber
110, 120: upper heating part
111, 121: upper body
111a and 121a: space portion 111b and 121b: upper air inlet port
111c, 121c: outlet
112, 122: upper electrode plate
112a: through hole
113, 123: first heating element
130, 140: lower heating portion
131, 141: lower body
131a and 141a: space portion 131b and 141b: lower air inlet port
131c, 141c: outlet
132 and 142: lower electrode plate
132a: through hole
133, 143: first heating element
150, 160: feeder
200: cooling chamber

Claims (8)

In the tempered glass manufacturing apparatus comprising a heating chamber and a cooling chamber,
The heating chamber is:
An upper heating part installed obliquely at a predetermined angle;
A lower heating part spaced apart from the upper heating part; And
And a first transfer device formed between the lower heating portion and the upper heating portion to transfer the glass substrate to be heated.
The cooling chamber is:
An upper cooling unit installed obliquely at a predetermined angle;
A lower cooling unit spaced apart from the upper cooling unit; And
A second transfer device formed between the lower cooling unit and the upper cooling unit to transfer a glass substrate to be cooled;
Tempered glass manufacturing apparatus comprising a.
The method of claim 1, wherein the upper heating portion:
An upper body having a space, an upper air inlet for injecting outside air into the space, and an outlet for discharging air injected from the upper air inlet to the outside; And
And an upper electrode plate installed inside the upper body and having a plurality of through holes formed therein and to which high frequency energy is applied.
The lower heating portion:
A lower body having a space, a lower air inlet for injecting external air into the space, and a discharge port for discharging air injected from the lower air inlet to the outside; And
A lower electrode plate installed inside the lower body and having a plurality of through holes formed therein and to which high frequency energy is applied;
Tempered glass manufacturing apparatus comprising a.
The method of claim 2, wherein the upper heating portion:
A first heating element disposed on the upper electrode plate and formed to allow air injected from the upper air inlet to pass through the plurality of through holes of the upper electrode plate;
The lower heating portion:
A second heating element disposed below the lower electrode plate and formed to allow air injected from the lower air inlet to pass through the plurality of through holes of the lower electrode plate;
Tempered glass manufacturing apparatus comprising a further.
The method of claim 1, wherein the upper cooling unit:
And an upper body having a space portion, an upper air inlet for injecting outside air into the space portion, and an outlet for discharging air injected from the upper air inlet to the outside.
The lower cooling unit:
A lower body having a space, a lower air inlet for injecting external air into the space, and a discharge port for discharging air injected from the lower air inlet to the outside;
Tempered glass manufacturing apparatus comprising a.
The method of claim 1,
The first and second transfer device is a tempered glass manufacturing apparatus, characterized in that any one of a roller or a conveyor belt.
6. The method according to any one of claims 1 to 5,
The heating chamber,
It includes a first heating chamber and the second heating chamber which is installed symmetrically,
The cooling chamber,
Tempered glass manufacturing apparatus comprising a first cooling chamber and a second cooling chamber are installed symmetrically.
The method according to claim 6,
The lower air inlet of the lower heating unit included in the first heating chamber and the lower air inlet of the lower heating unit included in the second heating chamber are formed of one lower air inlet.
The method according to claim 6,
The lower air inlet of the lower cooling unit included in the first cooling chamber and the lower air inlet of the lower cooling unit included in the second cooling chamber are formed of one lower air inlet.
KR1020100112553A 2010-11-12 2010-11-12 Apparatus for manufacturing a tempered glass KR101218224B1 (en)

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US9776905B2 (en) 2014-07-31 2017-10-03 Corning Incorporated Highly strengthened glass article
CN103880275A (en) * 2014-02-27 2014-06-25 徐林波 Method and device for producing tempered glass plate by precise indirect high-strength cooling
US10611664B2 (en) 2014-07-31 2020-04-07 Corning Incorporated Thermally strengthened architectural glass and related systems and methods
US11097974B2 (en) 2014-07-31 2021-08-24 Corning Incorporated Thermally strengthened consumer electronic glass and related systems and methods
KR101952085B1 (en) 2016-01-12 2019-05-21 코닝 인코포레이티드 Thin, thermally and chemically tempered glass-based products
US11795102B2 (en) 2016-01-26 2023-10-24 Corning Incorporated Non-contact coated glass and related coating system and method
WO2019040818A2 (en) 2017-08-24 2019-02-28 Corning Incorporated Glasses with improved tempering capabilities
TWI785156B (en) 2017-11-30 2022-12-01 美商康寧公司 Non-iox glasses with high coefficient of thermal expansion and preferential fracture behavior for thermal tempering
KR20210154825A (en) 2019-04-23 2021-12-21 코닝 인코포레이티드 Glass laminate with definite stress profile and method for manufacturing the same
CN114514115B (en) 2019-08-06 2023-09-01 康宁股份有限公司 Glass laminate with embedded stress spike for crack prevention and method of making same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020090942A (en) * 2002-09-25 2002-12-05 오진석 a manufacturing system of tempered glass
KR100866844B1 (en) * 2008-04-29 2008-11-04 김한곤 Heat treat apparatus for tempering a thin glass
KR100961396B1 (en) * 2009-08-19 2010-06-07 김한곤 Apparatus for heat-treating a tempered glass

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020090942A (en) * 2002-09-25 2002-12-05 오진석 a manufacturing system of tempered glass
KR100866844B1 (en) * 2008-04-29 2008-11-04 김한곤 Heat treat apparatus for tempering a thin glass
KR100961396B1 (en) * 2009-08-19 2010-06-07 김한곤 Apparatus for heat-treating a tempered glass

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