CN105198197A - Tempered glass production line - Google Patents
Tempered glass production line Download PDFInfo
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- CN105198197A CN105198197A CN201410270937.0A CN201410270937A CN105198197A CN 105198197 A CN105198197 A CN 105198197A CN 201410270937 A CN201410270937 A CN 201410270937A CN 105198197 A CN105198197 A CN 105198197A
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Abstract
The invention discloses a tempered glass production line. The tempered glass production line comprises a sheet feeding table, a heating furnace, an air grid cooling section and a sheet discharging table, wherein a glass sheet borne by a rollgang passes through the stations in sequence, an air-floatation heating section and a pre-cooling section are sequentially arranged between the heating furnace and the air grid cooling section of the production line in the moving direction of the glass sheet, air flow produced by the air-floatation heating section supports the glass sheet for passing and compensates lost heat after the glass sheet is discharged out of the furnace, air flow produced by the pre-cooling section supports the glass sheet for passing and pre-cools the glass sheet. The problem that the glass sheet easily bends and deforms and the temperature drops when the glass sheet is fed into the air grid cooling section from the heating furnace is solved, no roll mark is left, and the quality of tempered glass products can be improved.
Description
Technical field
The present invention relates to a kind of toughened glass production line, air supporting heating zone is connected air grid section toughened glass production line with pre-cooled section is especially set at tempering furnace outlet place.
Background technology
At present, toughened glass production line as shown in Figure 1, mainly comprise a platform 1, process furnace 2, air grid cooling section 3 and bottom sheet platform 4, sheet glass carries successively through above-mentioned station by rollgang, final molding, wherein, the sheet glass after process furnace thermoplastic directly enters air grid cooling section and carries out cooling tempering.But, this toughened glass production line also exists some drawbacks in actual production process: sheet glass has heated when coming out of the stove, sheet glass under soft state is when roller-way outer by stove, be easy to leave roll marks in glass pane surface, cause the edge of sheet glass to be out of shape simultaneously, affect the planeness of sheet glass; At sheet glass after being positioned at process furnace, enter transitional region before air grid cooling section, there is calorific loss, there is decline to a certain degree in temperature, the sheet glass after tempering is completed does not reach stress and granularity requirement.
Summary of the invention
For problems of the prior art, the invention provides a kind of toughened glass production line carrying out tempering mainly for sheet glass, this production line be provided with between process furnace and air grid cooling section quickly through pretreatment section, pretreatment section comprises air supporting heating zone and pre-cooled section, in air supporting heating zone, utilize hot gas flow to form smooth air cushion in glass pane surface, the support glass plate when sheet glass passes through, utilize hot gas flow to heat sheet glass simultaneously, compensation glass plate come out of the stove after calorific loss, make sheet glass still be in soft state; Pre-cooled section is before sheet glass enters air grid cooling section, utilize airflow supports sheet glass to pass through, and carry out pre-cooled, make sheet glass can not leave roll marks after touching the rollgang in air grid cooling section, greatly improve the planeness of sheet glass, improve the conforming product rate of toughened glass.
To achieve these goals, a kind of toughened glass production line of the present invention, described toughened glass production line comprises a platform, process furnace, air grid cooling section and bottom sheet platform, sheet glass carries successively through above-mentioned station by rollgang, this production line is disposed with air supporting heating zone and pre-cooled section along sheet motion direction between described process furnace and described air grid cooling section, the airflow supports sheet glass that described air supporting heating zone produces by and calorific loss after sheet glass is come out of the stove compensate, the described pre-cooled section of airflow supports sheet glass produced passes through also cooled glass plate in advance.
Further, along sheet motion direction, the total length of described air supporting heating zone and described pre-cooled section is less than the length of sheet glass, enable sheet glass by when air supporting heating zone and pre-cooled section at least one end be overlapped on described rollgang.
Further, described air supporting heating zone comprises the first air-floating apparatus of the below being arranged on sheet motion passage.
Further, described first air-floating apparatus comprises gas blower, heating unit and plenum chamber; Described gas blower is connected with plenum chamber, and to described plenum chamber air feed, described heating unit is arranged on plenum chamber inside, and air-flow blows to glass pane surface by plenum chamber.
Further, described air supporting heating zone also comprises the second air-floating apparatus of the top being arranged on sheet glass path of travel, and described first air-floating apparatus and the upper and lower mirror image of the second air-floating apparatus are arranged.
Further, described pre-cooled section comprises the pre-cooled device be arranged on above and below sheet motion passage.
Further, described pre-cooled device is made up of gas blower and plenum chamber; Described gas blower is connected with described plenum chamber, and to plenum chamber air feed, air-flow blows to the upper and lower surface of sheet glass by plenum chamber.
Further, the temperature of the described pre-cooled section of air-flow produced is-30 DEG C to 10 DEG C.
Further, the stream pressure that described glass sheet lower surface is subject to is greater than the pressure of its upper surface.
Further, described pre-cooled device is one or several strip body structures, its side towards sheet glass have extend along its length and the linear gap-like opening folded by its two side, described body structure is provided with air-flow input aperture.
Further, described plenum chamber is in the casing shape with certain internal space, and its side towards sheet glass is provided with air supporting plate, and described air supporting plate is distributed with several venting holes.
The invention has the advantages that, solving sheet glass by process furnace when entering air grid cooling section, the problem of the flexible distortion of sheet glass, the quality product of toughened glass is got a promotion.
Accompanying drawing explanation
Fig. 1 is the connection diagram of existing toughened glass production line;
Fig. 2 is the connection diagram of toughened glass production line of the present invention;
Fig. 3 is the first structural representation of numbering 5 pretreatment section in Fig. 2;
Fig. 4 is the second structural representation of numbering 5 pretreatment section in Fig. 2;
Fig. 5 is the third structural representation of numbering 5 pretreatment section in Fig. 2;
Fig. 6 is the 4th kind of structural representation of numbering 5 pretreatment section in Fig. 2;
Fig. 7 is the schematic diagram of numbering 11 body structure in Fig. 5 and Fig. 6;
Fig. 8 is the side-view of Fig. 7.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.
As shown in Figure 2, a kind of toughened glass production line of the present invention, mainly carries out tempering process for sheet glass, comprises these 5 stations of a platform 1, process furnace 2, pretreatment section 5, air grid cooling section 3 and bottom sheet platform 4 successively; Sheet glass carries out load at upper platform 1, enters process furnace 2 in the direction of arrows carry out heat by rollgang, and the sheet glass after heating enters air grid cooling section 3 through pretreatment section 5 fast and carries out cooling tempering, and cooled sheet glass unloads from bottom sheet platform 4.Pretreatment section 5 comprises air supporting heating zone 51 and pre-cooled section 52, hot gas flow compensation glass plate in air supporting heating zone 51 come out of the stove after calorific loss, pre-cooled section of 52 pairs of glass pane surface are carried out pre-cooled, it is made to see Fig. 3 contacting the cooling roller bed 7(in air grid cooling section 3) time, can not roll marks be left.
Be illustrated in figure 3 the first specific embodiment of the present invention, in figure, air supporting heating zone 51 is near the exit end of process furnace 2, pre-cooled section 52 entrance end near air grid cooling section 3, air supporting heating zone 51 is made up of the first air-floating apparatus 8 be arranged on below sheet glass 100 path of travel, and the first air-floating apparatus 8 comprises gas blower 8-1, heating unit 8-3, the gentle kickboard 8-4 of plenum chamber 8-2.Gas blower 8-2 is connected on plenum chamber 8-2, and to delivery air in plenum chamber 8-2, plenum chamber 8-2 inside is provided with heating unit 8-3, be preferably resistive heater, heating unit 8-3 heats the air-flow in plenum chamber 8-2, plenum chamber 8-2 is provided with the outlet of air-flow towards the side of sheet glass 100, air supporting plate 8-4 is housed in exit, air supporting plate 8-4 is provided with some venting holes.Air-flow sheet glass 100 lower surface formed can support its quickly through air cushion.
Comprise the pre-cooled device 10 be arranged on above and below sheet glass 100 moving conduit for pre-cooled section 52, pre-cooled device 10 specifically comprises gas blower 10-3 and plenum chamber 10-2 and forms; Gas blower 10-3 is connected with plenum chamber 10-2, and to plenum chamber 10-2 air feed, and plenum chamber 10-2 is provided with the outlet of air-flow towards the side of sheet glass 100, air supporting plate 10-1 is housed in exit, air supporting plate 10-1 is provided with some venting holes.Air-flow blows to upper surface and the lower surface of sheet glass 100 by plenum chamber 10-2.Airflow supports sheet glass 100 passes through also cooled glass plate 100 in advance, avoids sheet glass 100 to leave roll marks after touching cooling roller bed 7.
During work, sheet glass 100 to be entered the cooling roller bed 7 in air grid cooling section 3 fast through pretreatment section 5 by the ceramic roller 6 in process furnace 2.The airflow supports sheet glass 100 that pretreatment section 5 produces passes through, calorific loss after utilizing hot gas flow compensation glass plate 100 to leave process furnace 2 in air supporting heating zone 51, in pre-cooled section 52, the air-flow utilizing gas blower 10-3 to blow out carries out pre-cooled to sheet glass 100 surface.In order to make sheet glass 100, there is power forward, the length of pretreatment section 5 is less than the length of sheet glass 100, enable sheet glass 100 by during pretreatment section 5 at least one end be overlapped on rollgang, namely at least one end of sheet glass 100 is overlapped on ceramic roller 6 or cooling roller bed 7, and the rotation by ceramic roller 6 and cooling roller bed 7 provides front action edge for sheet glass 100.
Be illustrated in figure 4 the second specific embodiment of the present invention, in the present embodiment, the concrete structure of pretreatment section 5 is substantially identical with the first embodiment, difference is, air supporting heating zone 51 is provided with the second air-floating apparatus 9 above sheet glass 100 path of travel, second air-floating apparatus 9 and the first air-floating apparatus about 8 mirror image are arranged, and the structure of the second air-floating apparatus 9 is identical with the first air-floating apparatus 8, it should be noted that, two air-floating apparatus 8 are set, 9 can heat sheet glass 100 from two surfaces up and down of sheet glass 100 simultaneously, reduce the calorific loss of sheet glass 100 better, the stream pressure that sheet glass 100 lower surface is subject to is greater than the pressure of its upper surface, and the air cushion that sheet glass 100 lower surface is formed is enough to support glass plate 100.
As Fig. 5, Fig. 7 and Figure 8 shows that the third specific embodiment of the present invention, in the present embodiment, the concrete structure of pretreatment section 5 is substantially identical with the first specific embodiment, difference is, pre-cooled device 10 in Fig. 3 is one or several strip body structures 11 in the present embodiment, see Fig. 6 and Fig. 7, body structure 11 have towards the side of sheet glass 100 extend along its length and the linear gap-like opening 11-2 folded by its two side, body structure 11 is provided with air-flow input aperture 11-1, all body structures 11 unify air feed by air feed system (not shown).
As Fig. 6, Fig. 7 and Figure 8 shows that the 4th kind of specific embodiment of the present invention, in the present embodiment, the concrete structure of pretreatment section 5 is substantially identical with the second specific embodiment, difference is, pre-cooled device 10 in Fig. 4 is one or several strip body structures 11 in the present embodiment, see Fig. 6 and Fig. 7, body structure 11 have towards the side of sheet glass 100 extend along its length and the linear gap-like opening 11-2 folded by its two side, body structure is provided with air-flow input aperture 11-1, all body structures 11 unify air feed by air feed system (not shown).
In addition, it should be noted that: 1. in order to improve the cooling performance of sheet glass, described in above-mentioned four kinds of specific embodiments, pre-cooled section can also be connected with known refrigeration plant (not shown), and the temperature of the air-flow making it produce is-30 DEG C to 10 DEG C.2. in first air-floating apparatus and/or the second air-floating apparatus of above-mentioned specific embodiment and/or pre-cooled device, can adopt independently air feed system to plenum chamber air feed (as shown in Fig. 3, Fig. 4, Fig. 5), can also be connected with the air feed system (not shown) of air grid cooling section 3, by the air feed system air feed of air grid cooling section 3.
Above-mentioned example is just for illustration of the present invention, and embodiments of the present invention are not limited to these examples, and what those skilled in the art made meets the various embodiments of inventive concept all within protection scope of the present invention.
Claims (11)
1. a toughened glass production line, described toughened glass production line comprises a platform, process furnace, air grid cooling section and bottom sheet platform, sheet glass carries successively through above-mentioned station by rollgang, it is characterized in that, this production line is disposed with air supporting heating zone and pre-cooled section along sheet motion direction between described process furnace and described air grid cooling section, the airflow supports sheet glass that described air supporting heating zone produces by and calorific loss after sheet glass is come out of the stove compensate, the described pre-cooled section of airflow supports sheet glass produced is by also cooled glass plate in advance.
2. toughened glass production line as claimed in claim 1, it is characterized in that, along sheet motion direction, the total length of described air supporting heating zone and described pre-cooled section is less than the length of sheet glass, enable sheet glass by when air supporting heating zone and pre-cooled section at least one end be overlapped on described rollgang.
3. toughened glass production line as claimed in claim 1, it is characterized in that, described air supporting heating zone comprises the first air-floating apparatus of the below being arranged on sheet motion passage.
4. toughened glass production line as claimed in claim 3, it is characterized in that, described first air-floating apparatus comprises gas blower, heating unit and plenum chamber; Described gas blower is connected with plenum chamber, and to described plenum chamber air feed, described heating unit is arranged on plenum chamber inside, and air-flow blows to glass pane surface by plenum chamber.
5. toughened glass production line as claimed in claim 3, it is characterized in that, described air supporting heating zone also comprises the second air-floating apparatus of the top being arranged on sheet glass path of travel, and described first air-floating apparatus and the upper and lower mirror image of the second air-floating apparatus are arranged.
6. toughened glass production line as claimed in claim 1, it is characterized in that, described pre-cooled section comprises the pre-cooled device be arranged on above and below sheet motion passage.
7. toughened glass production line as claimed in claim 6, it is characterized in that, described pre-cooled device is made up of gas blower and plenum chamber; Described gas blower is connected with described plenum chamber, and to plenum chamber air feed, air-flow blows to the upper and lower surface of sheet glass by plenum chamber.
8. toughened glass production line as claimed in claim 1, is characterized in that, the temperature of the described pre-cooled section of air-flow produced is-30 DEG C to 10 DEG C.
9. the toughened glass production line as described in claim 5 or 6, is characterized in that, the stream pressure that described glass sheet lower surface is subject to is greater than the pressure of its upper surface.
10. toughened glass production line as claimed in claim 6, it is characterized in that, described pre-cooled device is one or several strip body structures, its side towards sheet glass have extend along its length and the linear gap-like opening folded by its two side, described body structure is provided with air-flow input aperture.
11. toughened glass production lines as described in claim 4 or 7, it is characterized in that, described plenum chamber is in the casing shape with certain internal space, and its side towards sheet glass is provided with air supporting plate, and described air supporting plate is distributed with several venting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410270937.0A CN105198197B (en) | 2014-06-18 | 2014-06-18 | A kind of toughened glass production line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410270937.0A CN105198197B (en) | 2014-06-18 | 2014-06-18 | A kind of toughened glass production line |
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| Publication Number | Publication Date |
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| CN105198197A true CN105198197A (en) | 2015-12-30 |
| CN105198197B CN105198197B (en) | 2018-08-03 |
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| CN201410270937.0A Active CN105198197B (en) | 2014-06-18 | 2014-06-18 | A kind of toughened glass production line |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105645747A (en) * | 2016-03-10 | 2016-06-08 | 洛阳兰迪玻璃机器股份有限公司 | Glass tempering method |
| CN107586013A (en) * | 2017-07-26 | 2018-01-16 | 洛阳兰迪玻璃机器股份有限公司 | A kind of thin tempering glass production method |
| CN111943491A (en) * | 2020-08-11 | 2020-11-17 | 中宇智慧光能科技有限公司 | Toughened glass production line |
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| US5127932A (en) * | 1990-01-31 | 1992-07-07 | Central Glass Company, Limited | Method for toughening glass sheet |
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| KR101163976B1 (en) * | 2011-01-31 | 2012-07-23 | (주)구오기업 | Heat treat apparatus for tempering a thin glass |
| CN102757172A (en) * | 2012-06-22 | 2012-10-31 | 杭州精工机械有限公司 | Butt-joint structure of heating furnace body and quenching section of ultra-thin toughened glass and glass penetrating method |
| CN102898010A (en) * | 2012-06-29 | 2013-01-30 | 江苏索拉特光伏科技发展有限公司 | Toughened glass device and toughened glass processing method |
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| US5127932A (en) * | 1990-01-31 | 1992-07-07 | Central Glass Company, Limited | Method for toughening glass sheet |
| JP2000103631A (en) * | 1998-09-30 | 2000-04-11 | Asahi Glass Co Ltd | Production of reinforced glass and device therefor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105645747A (en) * | 2016-03-10 | 2016-06-08 | 洛阳兰迪玻璃机器股份有限公司 | Glass tempering method |
| CN107586013A (en) * | 2017-07-26 | 2018-01-16 | 洛阳兰迪玻璃机器股份有限公司 | A kind of thin tempering glass production method |
| CN111943491A (en) * | 2020-08-11 | 2020-11-17 | 中宇智慧光能科技有限公司 | Toughened glass production line |
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| Publication number | Publication date |
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| CN105198197B (en) | 2018-08-03 |
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