CN204569710U - Produce ultra-thin glass switched attenuator switched-mode graphite bar - Google Patents
Produce ultra-thin glass switched attenuator switched-mode graphite bar Download PDFInfo
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- CN204569710U CN204569710U CN201520095069.7U CN201520095069U CN204569710U CN 204569710 U CN204569710 U CN 204569710U CN 201520095069 U CN201520095069 U CN 201520095069U CN 204569710 U CN204569710 U CN 204569710U
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Abstract
A kind of production ultra-thin glass switched attenuator switched-mode graphite bar, described graphite bar comprises first paragraph and second segment, when producing general thickness glass, the first paragraph of described graphite bar and second segment is opened to both sides; When producing ultra-thin glass, the first paragraph of described graphite bar and second segment being pushed into glass ribbon bottom, forming word order.According to production ultra-thin glass switched attenuator switched-mode graphite bar of the present utility model, on end brick before and after its contraction section being arranged on molten tin bath, different according to the thickness of glass produced, open in advance or shut graphite bar, tin liquor stream can be effectively controlled when producing ultra-thin glass, again can not when producing general thickness glass, scraping glass ribbon.
Description
Technical field
The utility model relates to process of glass field, particularly relates to the switched attenuator switched-mode graphite bar for the production of ultra-thin glass.
Background technology
Molten tin bath is the core heat construction equipment of floating process, to float glass quality important.Wherein, to the control of tin liquor stream, determine the index such as surface optical quality and micro-waviness of glass to a great extent.And these indexs, weigh the Key Performance Indicator of ultra-thin glass (being generally≤1.1mm) quality grade just.
In order to control tin liquor flowing, graphite bar is widely used, and its principle utilizes graphite and tin not to infiltrate and resistant to elevated temperatures characteristic, forms gear bank in tin liquor, and the flowing of effective stop tin liquor, reduces the backflow of cold tin liquor.Traditional graphite bar mounting means is shown in Fig. 1 and 2.This gear bank structure 1 is in order to adapt to the glass production of different thickness, and need to be designed to the height that distance tin liquor face 3 reaches 10 ~ 15mm, produce general thickness glass (2mm ~ 15mm), this height is feasible.Tin liquor is placed in the space be made up of bottom brick of molten tin bath 5.But because molten tin backflow amount becomes cubic relationship with the height in distance tin liquor face 3, produce for ultra-thin glass, this height effectively cannot control tin liquor flowing, is difficult to the requirement meeting electronic-grade ultrathin glass production.Conventional graphite gear bank if be designed to distance tin liquor face to be about 3mm, the production of ultra-thin glass can be met, but when producing general thickness, easily scraping glass ribbon 2, causes industrial accident, so cannot meet and change plate process from general thickness to ultra-thin glass.
Utility model content
The utility model is intended to carry out reformed AHP for the structure formation of conventional graphite gear bank, makes it the production requirement better adapting to ultra-thin glass, can meet again and change plate process from general thickness to ultra-thin glass.
In order to reach above-mentioned purpose, provide a kind of production ultra-thin glass switched attenuator switched-mode graphite bar, described graphite bar comprises first paragraph and second segment, when producing general thickness glass, the first paragraph of described graphite bar and second segment is opened to both sides; When producing ultra-thin glass, the first paragraph of described graphite bar and second segment being pushed into glass ribbon bottom, forming word order.
In some embodiments, the middle part of each described graphite bar section is provided with perforate, penetrates sinking weighted rod, and the volume density of described sinking weighted rod is greater than graphite, thus makes the upper along distance tin liquor face certain distance of described graphite bar.
In some embodiments, described sinking weighted rod is tungsten bar.
In some embodiments, the upper of described graphite bar is about 3mm along distance tin liquor face.
In some embodiments, when producing general thickness glass, the first paragraph of described graphite bar and second segment being opened to both sides, thus is placed on molten tin bath edge.
According to production ultra-thin glass switched attenuator switched-mode graphite bar of the present utility model, on end brick before and after its contraction section being arranged on molten tin bath, different according to the thickness of glass produced, open in advance or shut graphite bar, tin liquor stream can be effectively controlled when producing ultra-thin glass, again can not when producing general thickness glass, scraping glass ribbon.
Below in conjunction with accompanying drawing, the description of the utility model purport is described by example, with clear other aspects of the present utility model and advantage.
Accompanying drawing explanation
By reference to the accompanying drawings, by detailed description hereafter, above-mentioned and other feature and advantage of the present utility model more clearly can be understood, wherein:
Fig. 1 is the structural representation of existing graphite bar;
Fig. 2 is the sectional view along the A-A line in Fig. 1;
Fig. 3 is the structural representation of the graphite bar according to the utility model embodiment; And
Fig. 4 is the sectional view along the A-A line in Fig. 3.
Embodiment
See the accompanying drawing of the utility model specific embodiment, hereafter in more detail the utility model will be described.But the utility model can realize in many different forms, and should not be construed as by the restriction in the embodiment of this proposition.On the contrary, it is abundant and complete open in order to reach for proposing these embodiments, and makes those skilled in the art understand scope of the present utility model completely.
Description describes a kind of production ultra-thin glass switched attenuator switched-mode graphite bar according to the utility model embodiment in detail.
As shown in Figures 3 and 4, one according to the utility model embodiment produces ultra-thin glass switched attenuator switched-mode graphite bar 1, described graphite bar 1 comprises first paragraph and second segment, when producing general thickness glass, the first paragraph of described graphite bar 1 and second segment is opened to both sides; When producing ultra-thin glass, the first paragraph of described graphite bar 1 and second segment being pushed into glass ribbon 2 bottom, forming word order.
Tin liquor is placed in the space be made up of bottom brick of molten tin bath 5.The middle part of each described graphite bar section is provided with perforate, penetrates sinking weighted rod, and the volume density of described sinking weighted rod is greater than graphite, thus makes the upper along distance tin liquor face 3 certain distance of described graphite bar 1.In the present embodiment, described sinking weighted rod is tungsten bar.The upper edge distance tin liquor face 3 about 3mm of described graphite bar.When producing general thickness glass, the first paragraph of described graphite bar and second segment being opened to both sides, thus is placed on molten tin bath edge.
Whole piece graphite bar is divided into two sections, perforate in the middle part of every section of graphite bar, penetrates tungsten bar 4 (ρ=19.3g/m
3), utilize the volume density of tungsten bar 4, ensure that graphite bar 1 can not float in tin liquor, along distance tin liquor face 3 about 3mm on gear bank, when producing general thickness glass, graphite bar 1 being opened to both sides, is placed on molten tin bath edge; When producing ultra-thin glass, graphite bar being pushed away glass ribbon bottom, forming word order, by this switched architecture, the production requirement of ultra-thin glass can be adapted to, can meet again and change plate process from general thickness to ultra-thin glass.
The utility model is used for thin float glass production line, on end brick before and after its contraction section being arranged on molten tin bath, different according to the thickness of glass produced, open in advance or shut graphite bar, tin liquor stream can be effectively controlled when producing ultra-thin glass, again can not when producing general thickness glass, scraping glass ribbon.
More than describe preferred embodiment of the present utility model in detail.Should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to design of the present utility model without the need to creative work.All technician in the art according to design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should by the determined protection domain of claims.
Claims (5)
1. produce a ultra-thin glass switched attenuator switched-mode graphite bar, it is characterized in that, described graphite bar comprises first paragraph and second segment, when producing general thickness glass, the first paragraph of described graphite bar and second segment is opened to both sides; When producing ultra-thin glass, the first paragraph of described graphite bar and second segment being pushed into glass ribbon bottom, forming word order.
2. production ultra-thin glass switched attenuator switched-mode graphite bar according to claim 1, it is characterized in that, the middle part of each described graphite bar section is provided with perforate, penetrate sinking weighted rod, the volume density of described sinking weighted rod is greater than graphite, thus makes the upper along distance tin liquor face certain distance of described graphite bar.
3. production ultra-thin glass switched attenuator switched-mode graphite bar according to claim 2, it is characterized in that, described sinking weighted rod is tungsten bar.
4. production ultra-thin glass switched attenuator switched-mode graphite bar according to claim 3, is characterized in that, the upper of described graphite bar is about 3mm along distance tin liquor face.
5. production ultra-thin glass switched attenuator switched-mode graphite bar according to claim 1, is characterized in that, when producing general thickness glass, the first paragraph of described graphite bar and second segment being opened to both sides, thus being placed on molten tin bath edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520095069.7U CN204569710U (en) | 2015-02-10 | 2015-02-10 | Produce ultra-thin glass switched attenuator switched-mode graphite bar |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520095069.7U CN204569710U (en) | 2015-02-10 | 2015-02-10 | Produce ultra-thin glass switched attenuator switched-mode graphite bar |
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| CN204569710U true CN204569710U (en) | 2015-08-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104609704A (en) * | 2015-02-10 | 2015-05-13 | 中国建材国际工程集团有限公司 | Switch type graphite bar for producing ultrathin glass |
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2015
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104609704A (en) * | 2015-02-10 | 2015-05-13 | 中国建材国际工程集团有限公司 | Switch type graphite bar for producing ultrathin glass |
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