CN203845937U - Plate glass toughening device - Google Patents
Plate glass toughening device Download PDFInfo
- Publication number
- CN203845937U CN203845937U CN201420174718.8U CN201420174718U CN203845937U CN 203845937 U CN203845937 U CN 203845937U CN 201420174718 U CN201420174718 U CN 201420174718U CN 203845937 U CN203845937 U CN 203845937U
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- China
- Prior art keywords
- air grid
- air
- glass
- spout
- grid
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- Expired - Fee Related
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- 239000005357 flat glass Substances 0.000 title claims abstract description 80
- 238000001816 cooling Methods 0.000 claims abstract description 62
- 239000011521 glass Substances 0.000 claims abstract description 34
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 238000005496 tempering Methods 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 17
- 238000007664 blowing Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 239000005341 toughened glass Substances 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 230000018984 mastication Effects 0.000 description 4
- 238000010077 mastication Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
Landscapes
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The utility model discloses a plate glass toughening device. The device comprises a glass plate heating furnace and a glass plate toughening unit consisting of a roller way and an air grid, wherein a glass plate presetting device is arranged between the heating furnace and the toughening unit; the presetting device similarly consists of a roller way and an air grid; air blowing out of the air grid in the presetting device is breeze; air pressure of the breeze acting on the surface of the glass plate is lower than air pressure of cooling air which blows out of the air grid in the toughening unit and acts on the surface of the glass plate, and the air pressure formed by the breeze is low enough, so that deformation of the glass plate caused by the air pressure is avoided or reduced as much as possible. The glass plate is pre-cooled by utilizing the breeze, the rigidity of the glass plate is improved, the pressure of the breeze acting on the surface of the glass plate is lower than pressure of the cooling air in the toughening unit acting on the surface of the glass plate, the pressure formed by the breeze is low enough, and the deformation of the glass plate caused by the air pressure is avoided or reduced as much as possible.
Description
Technical field
The utility model relates to a kind of reinforcing device of sheet glass.
Background technology
As shown in Figure 1, the tempering unit that existing flat glass toughening device generally includes glass plate heating furnace and is made up of air grid and roller-way, wherein, 1 is glass plate heating furnace, and 2 is roller-way, and 3 is air grid, and 4 is sheet glass.When work, first in process furnace, sheet glass is heated, then by roller-way, sheet glass is transported to tempering unit from process furnace, utilize the air grid of roller-way upper and lower in tempering unit to blow sheet glass, realize the cooling tempering to sheet glass.
Because the tempering of sheet glass completes by air-cooled, therefore the wind that air grid blows out must have enough wind speed and air quantity, so that sheet glass reaches enough speed of cooling, realize tempering.And along with the minimizing of sheet thickness, it reaches the required speed of cooling of tempering and also improves thereupon, for this reason, need wind speed and the air quantity of corresponding raising cooling air.As in the situation that using identical air grid, when the thick sheet glass of tempering 6mm, in air grid, cooling air pressure only needs 1600～3000Pa, when the thick sheet glass of tempering 3mm, need the pressure of cooling air in air grid to bring up to 14000Pa, the sheet glass further reducing for thickness, needs further to improve the pressure of cooling air.
The wind that air grid blows out, when realization is cooling to sheet glass, also produces blast in glass pane surface.As shown in Figure 2, in the time that the front end of the sheet glass 4 of exporting from process furnace 1 advances between the first pair of air grid 3 being oppositely arranged up and down and in vacant state, the front end of sheet glass 4, when the cooling air being blown out by air grid 3 is cooling, also will bear cooling air and act on the impact of the blast of glass pane surface.Although air grid 3 arranges up and down in pairs, nozzle or spout on upper and lower air grid 3 are difficult to accomplish to aim at completely; Being subject to cooling air transfer line windage effect, also can there is minute differences in the pressure of the cooling air in upper and lower air grid 3; Be subject to the restriction of installing space, nozzle or spout on upper and lower air grid 3 are also difficult to accomplish identical apart from the distance on sheet glass 4 surfaces; And, no matter being pressure or flow, the cooling air of being carried by blower fan itself also there is certain pulsation; In addition, sheet glass 4 itself also has certain gravity; Thereby, sheet glass 4 is difficult to maintain the stress balance of vertical direction under the effect of cooling air blast, and the sheet glass 4 of hot mastication state is being subject under the effect of power up or down, to be easy to occur vibration and cause distortion, especially the front and rear of the throughput direction of sheet glass 4, this distortion causing because of vibration is more outstanding.Therefore the dull and stereotyped toughened glass ubiquity that, above-mentioned prior art the is processed high defect of percent ripple as shown in Figure 3.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of toughening method of sheet glass, and the flat glass toughening device of application the method is also provided simultaneously further.
For achieving the above object, the utility model flat glass toughening method comprises the heating steps of sheet glass in process furnace, and in the tempering unit being formed by roller-way and air grid, carry out the step of tempering, wherein, between described heating steps and described tempering step, be also provided with the step of the sheet glass of the soft state of high temperature from process furnace output being carried out to pre-setting; Described pre-setting step is specially: before sheet glass is admitted to described tempering unit, utilize gentle breeze to carry out pre-cooled to sheet glass, improve the rigidity of sheet glass, the pressure that described gentle breeze acts on glass pane surface is less than cooling air in tempering unit and acts on the pressure of glass pane surface, and the pressure that gentle breeze forms is enough little, to avoid or to reduce as far as possible the distortion of the sheet glass causing because of blast.
Further, described pre-setting step is completed by the presetting device arranging between described process furnace and described tempering unit, and described presetting device is made up of roller-way and air grid.
Further, in described presetting device, be provided with the air grid that at least one pair of configures up and down relatively.
Further, the pressure of the air grid internal cooling wind in described presetting device is lower than the pressure of the air grid internal cooling wind in described tempering unit, according to the thickness difference of institute's processing glass sheets, the range of choice of the cooling air pressure of the air grid inside in presetting device is 50～1200Pa.
Further, be provided with somely to the relative air grid of configuration up and down in described presetting device, these some scopes that air grid is covered along glass sheets direction are no more than 1200mm.
Further, described some scopes that air grid is covered along glass sheets direction are no more than 800mm.
Apply the flat glass toughening device of above-mentioned the utility model method, the sheet glass tempering unit that this device comprises glass plate heating furnace and is made up of roller-way and air grid, between described process furnace and described tempering unit, be also provided with sheet glass presetting device, this presetting device is made up of roller-way and air grid equally, what the air grid in presetting device blew out is gentle breeze, the blast that this gentle breeze acts on glass pane surface is less than cooling air that in tempering unit, air grid blows out and acts on the blast of glass pane surface, and the blast that gentle breeze forms is enough little, to avoid or to reduce as far as possible the distortion of the sheet glass causing because of blast.
Further, the pressure of the cooling air of described presetting device by reducing its air grid inside forms described gentle breeze, and according to the thickness of institute's processing glass sheets, the range of choice of the cooling air pressure of the air grid inside in presetting device is 50～1200Pa.
Further, the sidewall that is provided with nozzle or spout on the air grid in described presetting device is made up of flat board, and nozzle or spout gather on it.
Further, described presetting device is by reducing nozzle on its air grid or the quantity of spout, and/or dwindles nozzle on air grid or the aperture of spout, and/or increases nozzle on air grid or the distance of spout and glass pane surface, the gentle breeze described in forming.
Further, on the described air grid in described presetting device cooling air nozzle or spout be shaped as finedraw shape.
The utility model is by carrying out pre-setting to the sheet glass of hot mastication state, improve the rigidity of sheet glass, improve sheet glass and in tempering unit, resisted the ability of the vibration that blast causes, reduced sheet glass because of the distortion that blast causes, improved the quality of dull and stereotyped toughened glass.With the dull and stereotyped tempering glassy phase ratio that prior art is processed, the percent ripple of the thick dull and stereotyped toughened glass of 6mm of processing according to the utility model can reach 0.07mm/300mm, well below the percent ripple of the working flat plate toughened glass 0.15mm/300mm of prior art institute.
Brief description of the drawings
Fig. 1 is existing flat glass toughening device schematic diagram;
Fig. 2 is the view of sheet glass while being subject to influenced by wind pressure relatively outstanding;
The dull and stereotyped toughened glass schematic diagram that Fig. 3 processes for prior art;
Fig. 4 a is the utility model flat glass toughening device embodiment 1 structural representation;
Fig. 4 b is cooling air spout distribution schematic diagram on air grid 3,5 in embodiment 1;
Fig. 4 c is the schematic diagram of another kind of cooling air spout on air grid 5 in embodiment 1;
Fig. 5 a is the utility model flat glass toughening device embodiment 2 structural representations;
Fig. 5 b is cooling air spout distribution schematic diagram on air grid in embodiment 2;
Fig. 6 a is the utility model flat glass toughening device embodiment 3 structural representations;
Fig. 6 b is cooling air spout distribution schematic diagram on air grid 8 in embodiment 3;
Fig. 7 a is the utility model flat glass toughening device embodiment 4 structural representations;
Fig. 7 b is cooling air spout distribution schematic diagram on air grid in embodiment 4.
Embodiment
Below in conjunction with embodiment, the utility model is described.
embodiment 1
Fig. 4 a, Fig. 4 b are depicted as the embodiment 1 of the utility model flat glass toughening device, flat glass toughening device in this embodiment comprises glass plate heating furnace 1, the sheet glass presetting device 6 being formed by roller-way 2 and air grid 5, the sheet glass tempering unit 7 being formed by roller-way 2 and air grid 3.
When work, the cooling air pressure of air grid 5 inside is far below the cooling air pressure of air grid 3 inside, as, for the thick sheet glass of 6mm, the cooling air pressure of air grid 5 is 1200Pa, the cooling air pressure 2250Pa of air grid 3, for the thick sheet glass of 5mm, the cooling air pressure of air grid 5 is 1000Pa, the cooling air pressure 3600Pa of air grid 3, for the thick sheet glass of 4mm, the cooling air pressure of air grid 5 is 800Pa, the cooling air pressure 7200Pa of air grid 3, for the thick sheet glass of 3mm, the cooling air pressure of air grid 5 is 50Pa, the cooling air pressure 14000Pa of air grid 3, making thus the cooling air that air grid 5 blows out is the very little gentle breeze of blast that acts on sheet glass 4 surfaces.Air grid 5 is dull and stereotyped towards the sidewall of sheet glass 4, as shown in Figure 4 b, spout gathers on it, and, the aperture of the spout on air grid 5 is less than the aperture of the spout on air grid 3, like this, in the situation that maintaining very little blast, can make the sheet glass 4 of hot mastication state obtain more uniform pre-cooled sizing.
Air grid 5 and air grid 3 can, by same air collecting box air feed, now, need reduce to enter by control valve the air quantity of air grid 5, to reduce the pressure of air grid 5 internal cooling wind.
Certainly, air grid 5 also can be by the different air supply device air feed of pressure with air grid 3.
On air grid 5, also can, as shown in Fig. 4 c, adopt the cooling air spout of finedraw structure.
embodiment 2
Fig. 5 a, Fig. 5 b are depicted as the embodiment 2 of the utility model flat glass toughening device, with embodiment 1 difference be, in the presetting device 6 of embodiment 2, comprise two couples of air grid 6-1,6-2 being oppositely arranged up and down, and as shown in Figure 5 b, the relative air grid 6-1 of the quantity of the spout on air grid 6-2 increases, like this, relatively air grid 6-1, can suitably improve gentle breeze that air grid 6-2 blows out at the upper glass plates 4 surface blast that form, further to improve the pre-setting effect to sheet glass 4.
embodiment 3
Fig. 6 a, Fig. 6 b are depicted as the utility model flat glass toughening device embodiment 3, and the cooling air pressure of air grid 8 inside in this embodiment in sheet glass presetting device 6 is identical with the cooling air pressure of 7 air grid 3 inside, tempering unit.
In order to reduce the blast that in presetting device 6, cooling air forms on sheet glass 4 surfaces, make air grid 8 blow out required gentle breeze, as shown in Figure 6 b, need to reduce the quantity of the cooling air spout on air grid 8.
embodiment 4
Fig. 7 a, Fig. 7 b are the embodiment 4 of the utility model flat glass toughening device, identical with embodiment 3 is, the cooling air pressure of the air grid inside in presetting device 6 is identical with the cooling air pressure of air grid 3 inside in tempering unit 7, difference is, in the presetting device 6 of embodiment 4, comprise two pairs of air grids that are oppositely arranged up and down, and, as shown in Figure 7b, air grid 8-1 relatively, the quantity of the spout on air grid 8-2 increases, aperture reduces.
Cooling air spout on air grid 8-1 and air grid 8-2 is so set, and air grid 8-1 suitably improves gentle breeze that air grid 8-2 blows out at the sheet glass 4 surface blast that form, further to improve the pre-setting effect to sheet glass 4 relatively.
Above-mentionedly enumerated several examples that can form gentle breeze in presetting device 6, it should be noted that at this, the various technique means of the required gentle breeze of above-mentioned acquisition both can adopt separately, also applied in any combination as required.As, be required gentle breeze for what make that air grid in presetting device 6 blows out, the aperture of reducing the quantity of spout and dwindling spout can adopt simultaneously, can also be aided with the pressure of the cooling air that reduces air grid inside simultaneously.For reducing file length, no longer introduce one by one by example at this.
In addition, in above-described embodiment 3,4, for what introduce be, the cooling air pressure of the air grid in presetting device 6 and the air grid inside in tempering unit 7 is identical, by the spout on increase air grid and the distance of glass pane surface, can make equally the cooling air that the air grid in presetting device 6 blows out behind the surface that reaches sheet glass 4, become required gentle breeze.
Also it is to be noted, in the various embodiments described above all with the air grid that configures up and down to the technique means that obtains gentle breeze is described, when concrete application, the in the situation that of needs, the upper air grid of grid centering and lower air grid also can adopt respectively different technique means to obtain required gentle breeze.And for obtaining gentle breeze by the mode of cooling air pressure that reduces air grid inside, some during to air grid when comprising in presetting device, according to the effect of pre-setting, this some cooling air pressure to air grid inside can be identical, also can be different.
For the width of presetting device, that is: the scope covering along glass sheets direction can be selected according to the pre-setting effect to sheet glass, when the blast of gentle breeze adopting larger, or when the pressure of the cooling air of air grid inside is higher, can select the presetting device of less width, in the time selecting the width of presetting device larger, as 1200mm, can adopt the further gentle breeze of reduction of blast, or further reduce the pressure of the cooling air of air grid inside.Taking 6mm plate glass as example, when the width of presetting device is 800mm, the pressure of the cooling air of air grid inside can be reduced to 150Pa.
The effect of presetting device 6 is that the sheet glass 4 of hot mastication state is tentatively hardened, improve sheet glass 4 and in tempering unit 7, resist the vibration ability causing because of blast, therefore, sheet glass 4 is carried out to pre-setting and must not need and affect the normal tempering of sheet glass 4 in follow-up tempering unit 7.
Also it is emphasized that for sake of clarity, in the various embodiments described above, and above in the method for utility model content part, all presetting device and tempering unit are named separately.But in actual applications, for simplified apparatus structure, be convenient to device fabrication, installation, above-mentioned presetting device 6 and tempering unit 7 can be made into integration, and can be referred to as sheet glass tempering unit.
Above-described embodiment is just for thought of the present utility model is described, and and non-limiting protection domain of the present utility model.
Claims (5)
1. a flat glass toughening device, the sheet glass tempering unit that this device comprises glass plate heating furnace and is made up of roller-way and air grid, it is characterized in that, between described process furnace and described tempering unit, be also provided with sheet glass presetting device, this presetting device is made up of roller-way and air grid equally, air grid in presetting device blow out for gentle breeze, the blast that this gentle breeze acts on glass pane surface is less than cooling air that in tempering unit, air grid blows out and acts on the blast of glass pane surface.
2. flat glass toughening device as claimed in claim 1, it is characterized in that, the pressure of the cooling air of described presetting device by reducing its air grid inside forms described gentle breeze, according to the thickness of institute's processing glass sheets, the range of choice of the cooling air pressure of the air grid inside in presetting device is 50～1200Pa.
3. flat glass toughening device as claimed in claim 2, is characterized in that, the sidewall that is provided with nozzle or spout on the air grid in described presetting device is made up of flat board, and nozzle or spout gather on it.
4. flat glass toughening device as claimed in claim 1, it is characterized in that, described presetting device is by the nozzle on its air grid of minimizing or the quantity of spout, and/or dwindle nozzle on air grid or the aperture of spout, and/or nozzle on increase air grid or the distance of spout and glass pane surface, form described gentle breeze.
5. flat glass toughening device as claimed in claim 1, is characterized in that, on the described air grid in described presetting device, cooling air nozzle or spout is shaped as finedraw shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420174718.8U CN203845937U (en) | 2014-04-11 | 2014-04-11 | Plate glass toughening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420174718.8U CN203845937U (en) | 2014-04-11 | 2014-04-11 | Plate glass toughening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203845937U true CN203845937U (en) | 2014-09-24 |
Family
ID=51558975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420174718.8U Expired - Fee Related CN203845937U (en) | 2014-04-11 | 2014-04-11 | Plate glass toughening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203845937U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103896482A (en) * | 2014-04-11 | 2014-07-02 | 洛阳兰迪玻璃机器股份有限公司 | Flat glass toughening method and device |
| TWI640399B (en) * | 2014-09-26 | 2018-11-11 | 日商日本電氣硝子股份有限公司 | End processing device for glass plate and end processing method |
| CN114380486A (en) * | 2021-12-31 | 2022-04-22 | 中建材蚌埠玻璃工业设计研究院有限公司 | Plate glass physical tempering furnace |
-
2014
- 2014-04-11 CN CN201420174718.8U patent/CN203845937U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103896482A (en) * | 2014-04-11 | 2014-07-02 | 洛阳兰迪玻璃机器股份有限公司 | Flat glass toughening method and device |
| WO2015154722A1 (en) * | 2014-04-11 | 2015-10-15 | Luoyang Landglass Technology Co., Ltd. | Flat glass tempering method and device |
| TWI640399B (en) * | 2014-09-26 | 2018-11-11 | 日商日本電氣硝子股份有限公司 | End processing device for glass plate and end processing method |
| CN114380486A (en) * | 2021-12-31 | 2022-04-22 | 中建材蚌埠玻璃工业设计研究院有限公司 | Plate glass physical tempering furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140924 |