CN102643028A - Glass thinning equipment and method - Google Patents
Glass thinning equipment and method Download PDFInfo
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- CN102643028A CN102643028A CN2012101466635A CN201210146663A CN102643028A CN 102643028 A CN102643028 A CN 102643028A CN 2012101466635 A CN2012101466635 A CN 2012101466635A CN 201210146663 A CN201210146663 A CN 201210146663A CN 102643028 A CN102643028 A CN 102643028A
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- reaction vessel
- reaction
- glass
- supporting bracket
- glass thinning
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Abstract
The invention provides glass thinning equipment, which comprises a reaction vessel. The bottom part of the reaction vessel is provided with a plurality of liquid inlets; a support is arranged in the reaction vessel; the bottom part of the support is provided with support bulges; the lower end of the support is provided with a reticular layer; the reaction vessel is provided with an upper cover; the upper cover is provided with a vent hole; the side edge of the reaction vessel is provided with an overflow pipe; and the overflow pipe is connected with a circulating pool. The invention also provides a glass thinning method. Reaction liquid outflows from bottom to top in the manner of blowout to react, and meanwhile, the bottom part of the reaction vessel is additionally provided with a gas inlet, so that gas is mixed in the reaction liquid, therefore, reaction residues on the surface of substrate glass can be taken away faster, the glass thinning speed is accelerated, and the production efficiency is increased.
Description
Technical field:
The invention belongs to the corrosion thinning technology of the liquid crystal substrate glass in the LCD Panel manufacturing field, what be specifically related to is a kind of glass thinning apparatus and method.
Background technology:
Development along with portable electric appts; Video display uses liquid crystal panel more and more, for the ease of carrying more and more very thin change of equipment and slimming; Therefore also need make thin substrate; In order to make substrate thickness than unfertile land, adopt mechanical stretching can't reach target thickness, so that the general technology of using is etching technique is technological with physical grinding.Generally be divided into direct immersion and spraying technique for the etching technique of using than the thickness of unfertile land processed glass substrate; There is the limit in existing above-mentioned immersion technology aspect the attenuate substrate thickness, and it can be because the concentration of solution little by little lowers and influences the thinning effect, and side is sprayed and the top spray and spraying technique is divided into; The processing sheet number of side spray is fewer; Only with a slice or two, and top spray meeting causes the asperities of vertical bar shape easily because the circuit that hydrojet flows from top to bottom is uncertain on the surface.According to the ultra very thinization requirement along with the glass substrate of the development of portable electric appts, the method that research and development reduce thickness of glass substrate effectively, efficiently is the current problem that solves of needing.
Summary of the invention:
To the defective that prior art exists, the purpose of this invention is to provide and a kind ofly can enhance productivity and improve glass surface smooth finish, solve the glass thinning apparatus of the base plate glass thinning technology of existing poor efficiency.
Further object of the present invention is to propose a kind of glass thinning method that uses the special use of this aforesaid device.
The present invention solves the technical scheme that its technical problem takes: a kind of glass thinning apparatus; Key is that described thinning apparatus comprises a reaction vessel, loam cake, supporting bracket, circulatory pool and water circulating pump; The bottom of described reaction vessel is provided with a plurality of fluid inlets, is provided with supporting bracket in the described reaction vessel, and described supporting bracket bottom is provided with support protrusion; The below of described supporting bracket is provided with reticular layer; Described reaction vessel top is provided with a loam cake, and loam cake is provided with a ventilating pit, and the side of described reaction vessel is provided with upflow tube; Described upflow tube connects circulatory pool, and described water circulating pump is arranged on the pipeline between circulatory pool and the reaction vessel.
Described reticular layer comprises the multiwalled filter screen.
Described reaction container bottom also is provided with a plurality of air inlet ports.
The sides of described reaction vessel is provided with a reaction solution and replenishes inlet.
Described supporting bracket is a support body, and the support body bottom is provided with support protrusion, and the support body side is provided with a plurality of retaining grooves, and the spacing of described retaining groove is 10-70mm.
A kind of glass thinning method of the present invention, described method comprises the steps:
1) is placed on the glass arranged vertical on the retaining groove of supporting bracket in the reaction vessel;
2) slowly feed reaction liquid from container bottom;
3) after reaction solution cover glass substrate, circulate, reaction solution is overflowed from the reaction vessel top with normal flow;
4) in reaction vessel, feed gas;
5) reaction solution that overflows filters through circulatory pool.
Preferably, described step also comprises from reaction container bottom input gas, and the bubble that gas produces is through the filter screen 51 that is provided with in the reaction vessel 1 and by refinement, and tiny bubble can be taken away the corrosion slag of glass surface through glass surface the time.
Preferably, the concentration of described reaction liquid is provided with a reaction solution through the reaction container bottom side and replenishes inlet and replenish.
Preferably, the flow velocity 0.03-0.1m/s of described reaction liquid in reaction vessel, the speed of reaction vessel being filled in initial reaction stage is 0.01-0.03 m/s.
Glass thinning method of the present invention; Adopt reaction solution blowout formula from the bottom up to flow out reaction; Simultaneously increase by a gas inlet, make and be mixed with gas in the reaction solution, the reaction residues on substrate glass surface must be pulled away sooner in the bottom of reaction vessel; Accelerated the thinning speed of glass, enhanced productivity.
Description of drawings:
Fig. 1 is the present device structural representation.
Fig. 2 is a flowage structure synoptic diagram of the present invention.
Fig. 3 is a supporting bracket structural representation of the present invention.
Embodiment:
Extremely shown in Figure 3 like Fig. 1; A kind of glass thinning apparatus, described thinning apparatus comprise a reaction vessel 1, loam cake 4, supporting bracket 3, circulatory pool 10 and water circulating pump 11, and the bottom of described reaction vessel is provided with a plurality of fluid inlets 2; Be provided with supporting bracket 3 in the described reaction vessel; Described supporting bracket 3 bottoms are provided with support protrusion 31, and the below of described supporting bracket 3 is provided with reticular layer 5, and described reaction vessel 1 top is provided with a loam cake 4; Loam cake 4 is provided with a ventilating pit 6; The side of described reaction vessel 1 is provided with upflow tube 7, and described upflow tube connects circulatory pool 10, and described water circulating pump 11 is arranged on the pipeline between circulatory pool 10 and the reaction vessel 1.Described reaction vessel 1 can be square or cuboid, and described a plurality of fluid inlets 2 can be two or three or four, are preferably three.
Described reticular layer 5 comprises multiwalled filter screen 51.Filter screen 51 can carry out refinement with the bubble that feeds in the reaction vessel 1, bubble is diminished and has bigger surface-area.
Described reaction vessel 1 bottom also is provided with a plurality of air inlet port 12.Air inlet port 12 connects external air source.
The sides of described reaction vessel 1 is provided with a reaction solution and replenishes inlet 9.Reaction solution replenishes inlet 9 and can perhaps automatically reaction vessel 1 internal reaction liquid concentration be replenished and correct in the artificially, guarantees normally carrying out of etching reaction.
Described supporting bracket 3 is a support body, and the support body bottom is provided with support protrusion 31, and the support body side is provided with a plurality of retaining groove 32, and the spacing of described retaining groove 32 is 10-70mm.
A kind of glass thinning method, described method comprises:
1) is placed on the glass arranged vertical on the retaining groove 32 that is provided with in the reaction vessel 1;
2) make reaction liquid get into reaction vessel, and overflow from the reaction vessel top from container bottom;
3) reaction solution that overflows is through filtering basin 10;
4) in container, feed gas and postreaction liquid
5) reaction solution flows out from filtering basin 10, through get into reaction vessel 1 behind the water circulating pump 11 again from the bottom.
Described reaction vessel 1 bottom discharges bubble, and described bubble can be taken away the corrosion slag of glass surface when tiny bubble passes through glass surface through filtering net 51 and by refinement.
The concentration of described reaction liquid is provided with the additional inlet 9 of a reaction solution through the reaction container bottom side and replenishes.
The flow velocity 0.03-0.1m/s of described reaction liquid in reaction vessel, the speed of reaction vessel being filled in initial reaction stage is 0.01-0.03 m/s.
The flow velocity of described bubble in reaction vessel is 1-2m/s.
Described reaction vessel is circular tank body, adopts macromolecule material to make.The lower end of described tank body is a hydraucone, and its lowest part is provided with fluid inlet, and fluid inlet connects the recirculated water pump outlet, and described reaction vessel lower end is provided with a reticular layer, and it comprises the multiwalled filter screen, and the mesh of filter screen is less than 1mm.Described reticular layer lower end is provided with a reaction solution and replenishes inlet, and in order to the overall density of postreaction liquid, described additional concentration and additional speed are confirmed according to practical situation are actual.Described reticular layer top is a supporting bracket; Described supporting bracket is used for fixing the chucking substrate glass; Described supporting bracket side is provided with the fixedly retaining groove 32 of a plurality of arrangements arranged side by side; Described substrate glass is clamped in the retaining groove 32, and arranged vertical is inner at supporting bracket, and number can be 8 to 48.Concrete number can be concrete definite according to concrete needs and reaction vessel size.The flow velocity of described reaction liquid in reaction vessel is 0.03-0.1m/s; When substrate glass produces chemical reaction with reaction liquid and when being etched in reaction vessel; The thickness of glass can produce certain attenuating, and simultaneously, the chemical corrosion meeting produces the glass slag of ice cream shape on the substrate glass surface; The glass slag is taken away by the mobile reaction liquid; Substrate glass after the etching need not passed through grind or the polishing program just can directly be used, this kind method can be carried out thinning to multi-disc glass simultaneously, has improved production efficiency greatly.
Described reaction solution is a composition proportion of the prior art, and described filtering system and water circulating pump are prior art, no longer details here.
Claims (9)
1. glass thinning apparatus; It is characterized in that described thinning apparatus comprises a reaction vessel (1), loam cake (4), supporting bracket (3), circulatory pool (10) and water circulating pump (11); The bottom of described reaction vessel is provided with a plurality of fluid inlets (2), is provided with supporting bracket (3) in the described reaction vessel, and described supporting bracket (3) bottom is provided with support protrusion (31); The below of described supporting bracket (3) is provided with reticular layer (5); Described reaction vessel (1) top is provided with a loam cake (4), and loam cake (4) is provided with a ventilating pit (6), and the side of described reaction vessel (1) is provided with upflow tube (7); Described upflow tube connects circulatory pool (10), and described water circulating pump (11) is arranged on the pipeline between circulatory pool (10) and the reaction vessel (1).
2. glass thinning apparatus according to claim 1 is characterized in that described reticular layer (5) comprises multiwalled filter screen (51).
3. glass thinning apparatus according to claim 2 is characterized in that described reaction vessel (1) bottom also is provided with a plurality of air inlet port (12).
4. glass thinning apparatus according to claim 2 is characterized in that the sides of described reaction vessel (1) is provided with the additional inlet of a reaction solution (9).
5. glass thinning apparatus according to claim 2; It is characterized in that described supporting bracket (3) is a support body; The support body bottom is provided with support protrusion (31), and the support body side is provided with a plurality of retaining groove (32), and the spacing of described retaining groove (32) is 10-70mm.
6. glass thinning method, described method comprises the steps:
Be placed on the glass arranged vertical on the retaining groove (32) of supporting bracket in the reaction vessel (1);
Slowly feed reaction liquid from container bottom;
After reaction solution cover glass substrate, circulate, reaction solution is overflowed from the reaction vessel top with normal flow;
In reaction vessel (1), feed gas;
The reaction solution that overflows filters through circulatory pool (10).
7. glass thinning method according to claim 6; It is characterized in that described step also comprises from reaction vessel (1) bottom input gas; The bubble that gas produces is through the filter screen (51) that is provided with in the reaction vessel (1) and by refinement, and tiny bubble can be taken away the corrosion slag of glass surface through glass surface the time.
8. glass thinning method according to claim 6, the concentration that it is characterized in that described reaction liquid is provided with a reaction solution through the reaction container bottom side and replenishes inlet (9) and replenish.
9. glass thinning method according to claim 6 is characterized in that the flow velocity 0.03-0.1m/s of described reaction liquid in reaction vessel, and the speed of reaction vessel being filled in initial reaction stage is 0.01-0.03 m/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101466635A CN102643028A (en) | 2012-05-14 | 2012-05-14 | Glass thinning equipment and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101466635A CN102643028A (en) | 2012-05-14 | 2012-05-14 | Glass thinning equipment and method |
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| Publication Number | Publication Date |
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| CN102643028A true CN102643028A (en) | 2012-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012101466635A Pending CN102643028A (en) | 2012-05-14 | 2012-05-14 | Glass thinning equipment and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104628261A (en) * | 2013-11-13 | 2015-05-20 | 弘塑科技股份有限公司 | Circulating uniform etching device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0280339A (en) * | 1988-09-13 | 1990-03-20 | Furukawa Electric Co Ltd:The | Surface treatment of glass preform |
| CN1380572A (en) * | 2001-04-12 | 2002-11-20 | 西山不锈化学股份有限公司 | Chemical polishing method and device for liquid crystal glass base plate |
| CN101215101A (en) * | 2008-01-16 | 2008-07-09 | 京东方科技集团股份有限公司 | Flat glass substrate attenuation clamp |
| CN202558772U (en) * | 2012-05-14 | 2012-11-28 | 深圳市拓捷科技发展有限公司 | Glass thinning device |
-
2012
- 2012-05-14 CN CN2012101466635A patent/CN102643028A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0280339A (en) * | 1988-09-13 | 1990-03-20 | Furukawa Electric Co Ltd:The | Surface treatment of glass preform |
| CN1380572A (en) * | 2001-04-12 | 2002-11-20 | 西山不锈化学股份有限公司 | Chemical polishing method and device for liquid crystal glass base plate |
| CN101215101A (en) * | 2008-01-16 | 2008-07-09 | 京东方科技集团股份有限公司 | Flat glass substrate attenuation clamp |
| CN202558772U (en) * | 2012-05-14 | 2012-11-28 | 深圳市拓捷科技发展有限公司 | Glass thinning device |
Non-Patent Citations (1)
| Title |
|---|
| 苗岱等: "大尺寸玻璃刻蚀设备控制系统设计", 《电子专用设备研究》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104628261A (en) * | 2013-11-13 | 2015-05-20 | 弘塑科技股份有限公司 | Circulating uniform etching device |
| CN104628261B (en) * | 2013-11-13 | 2017-08-11 | 弘塑科技股份有限公司 | Circulating uniform etching device |
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Owner name: SHANTOU TOPJET TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SHENZHEN TUOJIE TECHNOLOGY DEVELOPMENT CO., LTD. Effective date: 20140606 |
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Effective date of registration: 20140606 Address after: East Lake village in Guangdong province Haojiang District 515000 Shantou Nanhu Taiwanese Investment Zone Daming Road Applicant after: SHANTOU TOPJET TECHNOLOGY CO., LTD. Address before: 518000, 2801-E, Royal Plaza building, Futian Huanggang port, Guangdong, Shenzhen Applicant before: Shenzhen Tuojie Technology Development Co.,Ltd. |
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Application publication date: 20120822 |