CN115849691A - Toughening manufacturing method of conductive glass - Google Patents
Toughening manufacturing method of conductive glass Download PDFInfo
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- CN115849691A CN115849691A CN202211460299.XA CN202211460299A CN115849691A CN 115849691 A CN115849691 A CN 115849691A CN 202211460299 A CN202211460299 A CN 202211460299A CN 115849691 A CN115849691 A CN 115849691A
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- 239000011521 glass Substances 0.000 title claims abstract description 136
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000010791 quenching Methods 0.000 claims abstract description 45
- 230000000171 quenching effect Effects 0.000 claims abstract description 44
- 238000010438 heat treatment Methods 0.000 claims abstract description 41
- 238000001816 cooling Methods 0.000 claims abstract description 35
- 238000007664 blowing Methods 0.000 claims abstract description 17
- 238000007650 screen-printing Methods 0.000 claims abstract description 5
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 239000002131 composite material Substances 0.000 claims abstract description 4
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- 238000007688 edging Methods 0.000 claims abstract description 4
- 238000007639 printing Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 11
- 238000005496 tempering Methods 0.000 claims description 4
- 239000012634 fragment Substances 0.000 claims description 3
- 239000005341 toughened glass Substances 0.000 claims 1
- 230000035882 stress Effects 0.000 description 9
- 238000006748 scratching Methods 0.000 description 5
- 230000002393 scratching effect Effects 0.000 description 5
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
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Abstract
The invention relates to the technical field of conductive glass production, in particular to a toughening manufacturing method of conductive glass, which comprises the following steps: s1, cutting original glass; s2, edging the cut glass and then cleaning the glass; s3, printing the conductive composite material on the glass by adopting screen printing according to a circuit pattern, and heating and curing; s4, conveying the solidified glass into a heat treatment section to be heated to a temperature close to the softening temperature of the glass; s5, cooling the heated glass in a quenching section; s6, cooling the quenched glass to room temperature in a cooling section; and the quenching section carries out quenching and cooling on two end surfaces of the glass in a blowing and cooling mode, and the blowing and cooling blowing area is fully covered with the glass. The invention can ensure the safety of the glass.
Description
Technical Field
The invention relates to the technical field of conductive glass production, in particular to a toughening manufacturing method of conductive glass.
Background
Early be used for curtain advertisement, bus station, intelligent sign etc. to adopt the ya keli space of a whole page and add the spot to realize showing the function, but this kind of mode exists the definition poor, and traditional fluorescent tube energy consumption is high, and the ya keli space of a whole page can appear ageing very fast under outdoor illumination and the blowing rain to the problem that damage easily appears is collided with, is met to yakeli space of a whole page surface. Meanwhile, the conductive glass is also a glass product, so that strip-shaped sharp glass scraps can be formed after the conductive glass is broken, and potential safety hazards of scratching people exist.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provides a method for manufacturing tempered conductive glass, which is used for ensuring the safety of the conductive glass.
In order to solve the technical problems, the invention adopts the technical scheme that: a tempering manufacturing method of conductive glass comprises the following steps:
s1, cutting original glass;
s2, edging the cut glass and then cleaning the glass;
s3, printing the conductive composite material on the glass by adopting screen printing according to a circuit pattern, and heating and curing;
s4, conveying the solidified glass into a heat treatment section to heat the glass to a temperature close to the softening temperature of the glass;
s5, cooling the heated glass in a quenching section;
s6, cooling the quenched glass to room temperature in a cooling section;
and the quenching section carries out quenching and cooling on two end surfaces of the glass in a blowing and cooling mode, and the blowing and cooling blowing area is fully covered with the glass.
The invention has the beneficial effects that: 1. the glass can be uniformly heated by using the double-chamber back-and-forth convection furnace, so that the glass can be prevented from deforming and stretching to the maximum extent, the accuracy of a circuit is protected, and the problems are avoided;
2. the quenching section is divided into a quenching section and a medium-pressure section, and the quenching section adopts an air hole type air grid, so that the glass is rapidly and uniformly quenched and directly passes through the quenching section, and the flatness of the glass is ensured; the medium-pressure section adopts an air knife type air grid to carry out reciprocating secondary uniform quenching on the glass, and the obvious problem of glass wind spots is improved. The surface of the glass is formed with uniform compression stress, and the interior is formed with tensile stress, so that the performance of the glass is greatly improved. Furthermore, when the glass is broken by impact, obtuse-angle granular debris can be formed, and the risk of scratching people can be reduced.
Drawings
FIG. 1 is a view showing broken grains when being impacted by a tempering manufacturing method of conductive glass provided by the present invention;
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The invention relates to a method for manufacturing toughened conductive glass,
the method comprises the following steps:
s1, cutting original glass;
s2, edging the cut glass and then cleaning the glass;
s3, printing the conductive composite material on the glass by adopting screen printing according to a circuit pattern, and heating and curing;
s4, conveying the solidified glass into a heat treatment section to be heated to a temperature close to the softening temperature of the glass;
s5, cooling the heated glass in a quenching section;
s6, cooling the quenched glass to room temperature in a cooling section;
and the quenching section carries out quenching and cooling on two end surfaces of the glass in a blowing and cooling mode, and the blowing and cooling blowing area is fully covered with the glass.
From the above description, the beneficial effects of the present invention are: 1. the glass can be uniformly heated by using the double-chamber back-and-forth convection furnace, so that the glass can be prevented from deforming and stretching to the maximum extent, the accuracy of a circuit is protected, and the problems are avoided;
2. the quenching section is divided into a quenching section and a medium-pressure section, and the quenching section adopts an air hole type air grid, so that the glass is rapidly and uniformly quenched rapidly and directly passes through the quenching section, and the flatness of the glass is ensured; the medium-pressure section adopts an air knife type air grid to carry out reciprocating secondary uniform quenching on the glass, and the obvious problem of glass wind spots is improved. The glass surface is formed with uniform compression stress, and the interior is formed with tensile stress, so that the performance of the glass is greatly improved. Furthermore, when the glass is broken by impact, obtuse-angle granular debris can be formed, and the risk of scratching people can be reduced.
Further, the heat treatment section comprises a preheating section and a heating section, and the temperature of the preheating section is 650 ℃ to 670 ℃.
As can be seen from the above description, the heat treatment section is divided into a preheating section and a heating section, and the preheating section preheats the glass and the printed circuit on the glass, so as to facilitate the heating of the glass in the subsequent heating section.
Furthermore, the heating section is divided into an upper heating zone acting on the upper end surface of the glass and a bottom heating zone acting on the lower end surface of the glass, and the temperature of the upper heating zone is higher than that of the bottom heating zone.
As can be seen from the above description, since most of the heat absorption of the glass is absorbed from the ceramic rod in the furnace, the temperature of the lower end surface of the glass rises quickly and the temperature of the upper end surface of the glass rises, so that the temperature of the upper heating area is higher than that of the lower heating area, and the heat absorption balance of the glass can be ensured.
Further, the upper heating zone has a temperature of 675 ℃ to 700 ℃ and the bottom heating zone has a temperature of 670 ℃ to 695 ℃.
From the above description it is ensured that the glass and the printed circuits on the glass can be heated to near the softening temperature in the heat treatment stage.
Furthermore, the quenching section is divided into a quenching section and a medium-pressure section in sequence along the glass advancing direction, the quenching section adopts an air hole type air grid, and the medium-pressure section adopts an air knife type air grid.
Furthermore, the air outlet of the air knife of the air hole type air grid is provided with an air outlet hole in a hole shape; and a strip-shaped air outlet seam is arranged at the air outlet position on the air knife of the air knife type air grid.
According to the description, the air hole type air grid of the quenching section is utilized to rapidly and uniformly quench glass and directly pass through the quenching section, so that the flatness of the glass is ensured; the air knife type air grid at the medium-pressure section is used for carrying out reciprocating secondary uniform quenching on the glass, so that the problem of obvious wind spots of the glass is solved. The glass surface is formed with uniform compression stress, and the interior is formed with tensile stress, so that the performance of the glass is greatly improved. Furthermore, when the glass is broken by impact, obtuse-angle granular debris can be formed, and the risk of scratching people can be reduced.
Furthermore, the distance from the air nozzle of the air hole type air grid and the closest end surface of the air nozzle of the air knife type air grid to the glass is 15mm to 70mm.
Further, the distance from the air nozzle to the glass is adjusted according to the flatness, the fragments and the stress after the glass is tempered and cooled.
As can be seen from the above description, the air blown by the air nozzle can be ensured to achieve the expected cooling effect.
Further, the air pressure of the blowing cooling is 1000Pa to 2500Pa.
As can be seen from the above description, the air pressure for cooling by blowing air can be ensured to achieve the expected cooling effect.
The invention relates to an application scene of a toughening manufacturing method of conductive glass, which comprises the following steps: when the conductive glass is required to be produced, a circuit is printed on the surface of the glass by adopting screen printing, the glass is sent into a heat treatment section to be heated to the temperature close to the softening temperature of the glass, then the heated glass is sent into a quenching section to carry out quenching and cooling on two end faces of the glass in a blowing cooling mode, so that uniform compressive stress is formed on the surface of the glass, tensile stress is formed inside the glass, and the performance of the glass is greatly improved. Furthermore, when the glass is broken by impact, obtuse-angle granular debris can be formed, and the risk of scratching people can be reduced.
Example one
Because the heating can make the glass produce deformation and stretch, for the accurate type of protection circuit, set up the heat treatment section into preheating section and heating section, glass heats to softening temperature in the heat treatment section with the mode of reciprocating displacement, heating temperature and heating duration are specifically as follows:
watch 1
Watch two
| Thickness of glass | Preheating time S | Heating time S |
| 6mm | 120 | 115 |
| 8mm | 165 | 160 |
| 10mm | 205 | 200 |
| 12mm | 245 | 240 |
| 15mm | 305 | 300 |
After the glass is heated, the glass can be fed into a quenching section to be quenched and cooled, the quenching section is divided into a quenching section and a medium-pressure section, the quenching section adopts an air hole type air grid, so that the glass is rapidly and uniformly quenched rapidly and directly passes through the quenching section, the flatness of the glass is ensured, and during operation, quenching air pressure is blown out from an air outlet hole. The air knife is provided with fixed air outlet holes with the same size, so the size of the air outlet holes can not be adjusted. The medium-pressure section adopts an air knife type air grid, glass carries out quenching and cooling in the quenching section in a reciprocating displacement mode, and when the quenching section works, quenching air pressure is blown out from an air outlet seam. The air knife is provided with a fixed air outlet seam, so the size of the air outlet seam can not be adjusted. The displacement of the glass for completing one round trip is 5000mm, and the length of the glass is required to be more than 250 mm. The quenched glass enters a cooling section and is cooled to room temperature; the air pressure of the quenching section and the cooling section and the distance from the air nozzle to the glass end face are as follows:
watch III
As shown in figure 1, the electric glass produced by the toughening manufacturing method has small broken texture fragments when being impacted, and has high safety factor.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (9)
1. A toughening manufacturing method of conductive glass is characterized in that: the method comprises the following steps:
s1, cutting original glass;
s2, edging the cut glass and then cleaning the glass;
s3, printing the conductive composite material on the glass by adopting screen printing according to a circuit pattern, and heating and curing;
s4, conveying the solidified glass into a heat treatment section to heat the glass to a temperature close to the softening temperature of the glass;
s5, cooling the heated glass in a quenching section;
s6, cooling the quenched glass to room temperature in a cooling section;
and the quenching section carries out quenching and cooling on two end surfaces of the glass in a blowing and cooling mode, and the blowing and cooling blowing area is fully covered with the glass.
2. The method for manufacturing tempered conductive glass according to claim 1, wherein: the heat treatment section comprises a preheating section and a heating section, and the temperature of the preheating section is 650-670 ℃.
3. The method for manufacturing tempered conductive glass according to claim 2, wherein: the heating section is divided into an upper heating zone acting on the upper end face of the glass and a bottom heating zone acting on the lower end face of the glass, and the temperature of the upper heating zone is greater than that of the bottom heating zone.
4. The method for manufacturing tempered conductive glass according to claim 3, wherein: the upper heating zone has a temperature of 675 ℃ to 700 ℃ and the bottom heating zone has a temperature of 670 ℃ to 695 ℃.
5. The method for manufacturing tempered conductive glass according to claim 1, wherein: the quenching section is divided into a quenching section and a medium-pressure section in sequence along the glass advancing direction, the quenching section adopts an air hole type air grid, and the medium-pressure section adopts an air knife type air grid.
6. The method for manufacturing tempered glass according to claim 5, wherein: the air outlet of the air knife of the air hole type air grid is provided with a hole-shaped air outlet hole; and a strip-shaped air outlet seam is arranged at the air outlet position on the air knife of the air knife type air grid.
7. The manufacturing method of tempering glass according to claim 5, wherein: the distance from the air nozzle of the air hole type air grid and the end face, closest to the glass, of the air nozzle of the air knife type air grid is 15 mm-70 mm.
8. The method for manufacturing tempered conductive glass according to claim 7, wherein: and adjusting the distance from the air nozzle to the glass according to the flatness, the fragments and the stress of the glass after tempering and cooling.
9. The method for manufacturing tempered conductive glass according to claim 1, wherein: the air pressure of the blowing cooling is 1000Pa to 2500Pa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211460299.XA CN115849691A (en) | 2022-11-17 | 2022-11-17 | Toughening manufacturing method of conductive glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211460299.XA CN115849691A (en) | 2022-11-17 | 2022-11-17 | Toughening manufacturing method of conductive glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115849691A true CN115849691A (en) | 2023-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211460299.XA Pending CN115849691A (en) | 2022-11-17 | 2022-11-17 | Toughening manufacturing method of conductive glass |
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| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB563138A (en) * | 1943-01-26 | 1944-08-01 | Suntex Safety Glass Ind Ltd | Improvements in or relating to the manufacture of tempered glass |
| CN1843988A (en) * | 2006-04-07 | 2006-10-11 | 无锡市新惠玻璃制品有限责任公司 | Process for preparing physical toughened thin glass |
| CN101921053A (en) * | 2009-06-09 | 2010-12-22 | 深圳市拓日新能源科技股份有限公司 | Conductive glass toughening method |
| CN104355530A (en) * | 2014-09-03 | 2015-02-18 | 宁波市合鑫玻璃科技有限公司 | Production process for flat tempered glass |
| CN113800755A (en) * | 2021-09-28 | 2021-12-17 | 湖南旗滨节能玻璃有限公司 | Preparation method of toughened glass |
| CN114212983A (en) * | 2022-02-10 | 2022-03-22 | 国玻新创(北京)科技发展有限公司 | Process for tempering glass in production line for manufacturing float glass |
-
2022
- 2022-11-17 CN CN202211460299.XA patent/CN115849691A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB563138A (en) * | 1943-01-26 | 1944-08-01 | Suntex Safety Glass Ind Ltd | Improvements in or relating to the manufacture of tempered glass |
| CN1843988A (en) * | 2006-04-07 | 2006-10-11 | 无锡市新惠玻璃制品有限责任公司 | Process for preparing physical toughened thin glass |
| CN101921053A (en) * | 2009-06-09 | 2010-12-22 | 深圳市拓日新能源科技股份有限公司 | Conductive glass toughening method |
| CN104355530A (en) * | 2014-09-03 | 2015-02-18 | 宁波市合鑫玻璃科技有限公司 | Production process for flat tempered glass |
| CN113800755A (en) * | 2021-09-28 | 2021-12-17 | 湖南旗滨节能玻璃有限公司 | Preparation method of toughened glass |
| CN114212983A (en) * | 2022-02-10 | 2022-03-22 | 国玻新创(北京)科技发展有限公司 | Process for tempering glass in production line for manufacturing float glass |
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