CN104291584A - Vacuum glass getter placement sealing structure and manufacturing method thereof - Google Patents
Vacuum glass getter placement sealing structure and manufacturing method thereof Download PDFInfo
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- CN104291584A CN104291584A CN201310298495.6A CN201310298495A CN104291584A CN 104291584 A CN104291584 A CN 104291584A CN 201310298495 A CN201310298495 A CN 201310298495A CN 104291584 A CN104291584 A CN 104291584A
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- glass
- getter
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- bleeding point
- sealing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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Abstract
The invention relates to a vacuum glass getter placement sealing structure which is characterized in that the upper glass of the vacuum glass is perforated, such that an air-exhaust port is formed; a round pipe is prepared on the lower surface of the upper glass and around the air-exhaust port; an annular sealing box is placed on lower glass, wherein a sealing cap is provided on the annular sealing box; after edge-sealing of the upper and lower glass, the getter is placed in the air-exhaust port, and the sealing cap is covered; a metal solder is placed into the annular sealing box or on the sealing cap; the air-exhaust port is vacuumed and heated, such that the getter is activated under high temperature and high vacuum; also, with the high temperature, the metal solder is molten into liquid, and the liquid is retained in the annular sealing box; the edges of the round pipe and the sealing cap are also immersed in the liquid; according to a liquid sealing principle, the air-exhaust port is automatically sealed, and the getter is sealed in a vacuum layer; when the temperature is reduced, the liquid is solidified, and air-tight sealing is realized. The method provided by the invention can be used in mass productions. With the method, vacuum glass production efficiency and qualification rate can be greatly improved, and production cost can be reduced.
Description
Technical field
The invention belongs to vacuum glass field, what particularly relate to a kind of vacuum glass getter lays seal construction and preparation method thereof.
Background technology
Existing vacuum glass is generally made up of two pieces or three blocks of sheet glass, glass surrounding low temperature glass solder edge sealing, and there is small upholder centre, makes the thin vacuum layer forming 0.1 ~ 0.2mm thickness between two blocks of glass by bleeding.Owing to not having the heat transfer of gas, transaudient, the internal surface of glass can have again transparent low heat-emissive film, so vacuum glass has well heat insulation and soundproof effect, is one of best energy-saving glass of performance.
The gordian technique of existing vacuum glass has: one is edge sealing, and two is laying of upholder, and three is acquisition and maintenances of vacuum.The major way that existing vacuum glass maintains vacuum adopts electrodeless solder edge sealing and lay getter in vacuum layer, getter is for acquisition high vacuum, there is the features such as economic, easy, effective, lasting, production long lifetime, vacuum glass that is highly reliable, dominance energy are played an important role.Because the vacuum layer space of vacuum glass is very little, glass is again transparent, also need protection and the activation of considering getter, so it is very difficult for laying getter in vacuum layer.The setting method of traditional getter in vacuum glass is first under vacuo that getter is packaged, then be positioned in the groove that is opened in advance on glass, at vacuum glass edge sealing, vacuumize, seal bleeding point after, recycling laser or infrared rays etc. open the encapsulation activated degasser of getter, the shortcoming of this mode be getter encapsulating and lay complex process, getter amount very little, affect mechanical property that is attractive in appearance and glass.
Summary of the invention
Technical problem to be solved by this invention is the defect of laying seal construction existence for existing vacuum glass getter, what provide a kind of novel vacuum glass getter lays seal construction and preparation method thereof, the making method technique of laying seal construction of this vacuum glass getter is simple, made vacuum glass comprises toughened vacuum glass and can overcome in prior art the deficiency of laying getter, effectively can ensure the condition of high vacuum degree of vacuum glass vacuum layer, extend the work-ing life of vacuum glass, and the production efficiency that can improve containing getter vacuum glass, reduce production cost.
In order to solve the problems of the technologies described above, what the invention provides a kind of vacuum glass getter lays seal construction, it is characterized in that: on the upper glass of vacuum glass, bleeding point is made in punching, a pipe is had in the bleeding point of described upper glass, the upper end of described pipe is together with glass solder, a ring seal box is placed in the position that the upper surface of lower-glass is corresponding with bleeding point, the lower end of described pipe can be inserted in described ring seal box, described ring seal box also has a sealing cover, and the edge of described sealing cover is inserted in described ring seal box, upper, after lower-glass edge sealing, getter is put into bleeding point, cover sealing cover, again brazing metal is put on described ring seal box or sealing cover, described bleeding point is vacuumized, and heat, at high temperature, automatic activation getter under high vacuum, high temperature makes described brazing metal be fused into liquid simultaneously, described liquid retention is in described ring seal box, the edge of described pipe and sealing cover is also submerged in described liquid, utilize hydraulic seal principle by described bleeding point self-sealing, described getter is also sealed in vacuum layer, after cooling, described liquid solidifies, realize airtight sealing.
In order to solve the problems of the technologies described above, the invention provides the making method of laying seal construction of above-mentioned vacuum glass getter, it comprises:
The first step, according to the size of required making bleeding point, on upper glass, boring makes bleeding point;
Second step, welds a pipe in the bleeding point of upper glass, and the upper surface of lower-glass is placed a ring seal box concentric with bleeding point, and the lower end of pipe can be inserted in ring seal box; According to the size of ring seal box, then make a sealing cover, the edge of sealing cover can be inserted in ring seal box;
3rd step, after upper and lower glazing gasket, puts into getter bleeding point, covers sealing cover, then brazing metal is put on ring seal box or sealing cover, and send in vacuum furnace;
4th step, heating under vacuum sole is vacuumized, limit heating, be evacuated to below 0.1Pa, be warming up to more than the temperature of fusion of brazing metal; Getter automatic activation under high temperature, high vacuum, brazing metal is also fused into liquid; Liquid retention is in ring seal box, and the edge of pipe and sealing cover is also flooded in a liquid, and liquid is by bleeding point self-sealing, and getter is also sealed in vacuum layer; Stop heating, with stove cooling, realize airtight sealing after brazing metal solidifies, open vacuum furnace, take out vacuum glass;
5th step, puts into seal gum in bleeding point, Paste Product trade mark or metal decorative sheet on seal gum.
Wherein, described getter comprises evaporable air-absorbing agent and nonevaporable getter.
Wherein, described getter is powdery, granular, banded, the various ways such as tubulose, ring-type, column.
Wherein, described getter can directly put into described bleeding point, also can be contained in a container and put into described bleeding point again.
Wherein, described pipe is metal tube or Glass tubing, when described pipe is glass sinters metal paste in the lower end of described pipe.
Wherein, described pipe and welding between glass, can before glass tempering, tempering time or tempering after carry out.
Wherein, described ring seal box is placed directly on lower-glass, or is placed in prefabricated pit.
Wherein, the described bottom of ring seal box and the vacuum layer of vacuum glass have the passage of ventilation.
Wherein, described ring seal box is preferably made up of glass or metal, is preferably sintered on the internal surface of described ring seal box by metal paste when described ring seal box is glass.
Wherein, described sealing cover diameter and highly preferably consider bleed-off passage and solder sealed vol and determine.
Further, the top of described sealing cover is not higher than the upper surface of described upper glass.
Wherein, described sealing cover is preferably made up of glass or metal, is preferably sintered in the edge of described sealing cover by metal paste when described sealing cover is glass.
Further, described metal paste or electric slurry contribute to welding between brazing metal with glass, and described metal paste serves as the transition layer between glass and brazing metal.
Further, described metal paste is made up of metal powder, glass powder, organic resin and solvent etc., and described metal paste can adopt commercially available prod.
Wherein, described brazing metal comprises low-temperature metal solder and solder, and described material is existing commercial commodity.
Further, the shape of described brazing metal is powdery, strip, sheet or bulk, ring-type, tubulose etc.
Wherein, the height of described liquid is preferably close with the height of described seal box inner side edge.
Wherein, described in vacuumize and bleeding point sealing, can in vacuum furnace batch carry out, also can monolithic implement; Overallly can heat glass, also can local heating bleeding point.
Wherein, described heating, can adopt conventional heating, Infrared Heating, also can adopt induction heating, LASER HEATING, can also adopt microwave heating and other suitable heating unit or heater means.
Further, described heating, can heat bulk glass, also can local heating bleeding point.
Wherein, described bleeding point after brazing metal sealing, then uses sealant sealing, and be trade mark or the metal decorative sheet of product above seal gum, seal gum can protect brazing metal, can realize two seals again to bleeding point.
Further, described seal gum preferably has secret sealing, more preferably hot melt adhesive, hot-setting adhesive or two component sealing gum.
Beneficial effect of the present invention:
Vacuum glass getter of the present invention lay seal construction, structure is simple, it is reliable, convenient for production, with low cost to seal; Getter does not need to encapsulate under vacuo but is directly placed in bleeding point, and also do not need to slot on the glass surface, not only technique is simple, cost is low, and does not affect the mechanical property of glass and the outward appearance of vacuum glass; In a vacuum furnace under high temperature, high vacuum, not only can direct activated degasser, and can effectively remove getter surface absorption gas, getter is regenerated, ensure that the gettering ability of getter; Its space of bleeding point of the present invention comparatively speaking can be very large, so more substantial getter can be laid, the vacuum tightness of the vacuum layer time that is higher but also that maintain not only can be made longer, thus be conducive to heat insulation, the sound-proofing properties that improve vacuum glass, extend its work-ing life; Self-sealing in vacuum oven, can mass production, greatly can improve production efficiency and qualification rate, the reduction production cost of vacuum glass; The fusing point of brazing metal is easy to select, and can carry out entirety heating to toughened glass and ensure that toughened glass is unannealed, realize mass and make toughened vacuum glass.
Accompanying drawing explanation
Fig. 1 is the structural representation laying seal construction of vacuum glass getter of the present invention.
In figure: 1. go up glass, 2. lower-glass, 3. pipe, 4. ring seal box, 5. sealing cover, 6. brazing metal, 7. getter.
Embodiment
Below adopt embodiment and accompanying drawing to describe embodiments of the present invention in detail, to the present invention, how utilisation technology means solve technical problem whereby, and the implementation procedure reaching technique effect can fully understand and implement according to this.
Embodiment: see accompanying drawing, vacuum glass is made up of upper glass 1 and lower-glass 2, upper glass 1 bores a through hole and forms bleeding point, a pipe 3 is welded in bleeding point, the upper surface of lower-glass 2 is placed a ring seal box 4 concentric with bleeding point, and the lower end of pipe 3 can be inserted in ring seal box 4; According to the size of ring seal box 4, then make a sealing cover 5, the edge of sealing cover 5 can be inserted in ring seal box 4, and the height of sealing cover 5 is lower than the upper surface of upper glass 1; Upper lower-glass is carried out tempering, or directly utilize the upper lower-glass of low temperature glass solder in constant-pressure and high-temperature stove after involution piece to carry out edge sealing, after glass after edge sealing takes out from High Temperature Furnaces Heating Apparatus, while hot getter 7 put into bleeding point, cover sealing cover 5, brazing metal 6 is put into ring seal box 4 as magnesium alloy or is placed on sealing cover 5, send in vacuum furnace with by glass, once can send into multiple pieces of glass; Heating under vacuum sole is vacuumized, limit heating, be evacuated to below 0.1Pa, be warming up to the temperature of fusion of brazing metal 6 magnesium alloy as more than 350 DEG C; Getter automatic activation under high temperature, high vacuum, brazing metal 6 magnesium alloy is fused into liquid retention in ring seal box 4, the lower end of pipe 3 and the edge of sealing cover 5 are also flooded in a liquid, and liquid is by bleeding point self-sealing, and getter is also sealed in vacuum layer; Stop heating, with stove cooling, brazing metal 6 magnesium alloy condenses into solid, realizes airtight sealing, open vacuum furnace to bleeding point, takes out vacuum glass.
All above-mentioned this intellecture properties of primary enforcement, not setting restriction this product innovation of other forms of enforcement and/or novel method.Those skilled in the art will utilize this important information, and foregoing is revised, to realize similar implementation status.But all modifications or transformation belong to the right of reservation based on product innovation of the present invention.
The above is only preferred embodiment of the present invention, and be not restriction the present invention being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solution of the present invention content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (10)
1. a vacuum glass getter lay seal construction, it is characterized in that: on the upper glass of vacuum glass, bleeding point is made in punching, a pipe is had in the bleeding point of described upper glass, the upper end of described pipe is together with glass solder, a ring seal box is placed in the position that the upper surface of lower-glass is corresponding with bleeding point, the lower end of described pipe can be inserted in described ring seal box, and described ring seal box also has a sealing cover, and the edge of described sealing cover is inserted in described ring seal box, upper, after lower-glass edge sealing, getter is put into bleeding point, cover sealing cover, again brazing metal is put on described ring seal box or sealing cover, described bleeding point is vacuumized, and heat, at high temperature, automatic activation getter under high vacuum, high temperature makes described brazing metal be fused into liquid simultaneously, described liquid retention is in described ring seal box, the edge of described pipe and sealing cover is also submerged in described liquid, utilize hydraulic seal principle by described bleeding point self-sealing, described getter is also sealed in vacuum layer, after cooling, described liquid solidifies, realize airtight sealing.
2. vacuum glass getter as claimed in claim 1 lay seal construction, it is characterized in that: described getter comprises evaporable air-absorbing agent and nonevaporable getter.
3. vacuum glass getter as claimed in claim 1 lay seal construction, it is characterized in that: described getter can directly put into described bleeding point, also can be contained in a container and put into described bleeding point again.
4. vacuum glass getter as claimed in claim 1 lay seal construction, it is characterized in that: described pipe is made up of glass or metal, when described pipe is glass by metal paste sintering in the lower end of described pipe.
5. vacuum glass getter as claimed in claim 1 lay seal construction, it is characterized in that: described ring seal box is made up of glass or metal, when described ring seal box is glass by metal paste sintering on the internal surface of described ring seal box.
6. vacuum glass getter as claimed in claim 1 lay seal construction, it is characterized in that: described sealing cover is made up of glass or metal, when described sealing cover is glass by metal paste sintering in the edge of described sealing cover.
7. vacuum glass getter as claimed in claim 1 lay seal construction, it is characterized in that: described brazing metal comprises low-temperature metal solder and solder.
8. vacuum glass getter as claimed in claim 1 lay seal construction, it is characterized in that: described in vacuumize with bleeding point sealing be utilize process furnace entirety heating glass or local heating bleeding point, batch carries out or monolithic is implemented.
9. the vacuum glass getter as described in any one of claim 1 to 8 lay seal construction, it is characterized in that: described bleeding point, after brazing metal sealing, then uses sealant sealing, seal gum be trade mark or the metal decorative sheet of product above.
10. the making method of laying seal construction of the vacuum glass getter described in any one of claim 1 to 9, is characterized in that, comprising:
The first step, according to the size of required making bleeding point, on upper glass, boring makes bleeding point;
Second step, welds a pipe in the bleeding point of upper glass, and the upper surface of lower-glass is placed a ring seal box concentric with bleeding point, and the lower end of pipe can be inserted in ring seal box; According to the size of ring seal box, then make a sealing cover, the edge of sealing cover can be inserted in ring seal box;
3rd step, after upper and lower glazing gasket, puts into getter bleeding point, covers sealing cover, then brazing metal is put on ring seal box or sealing cover, and send in vacuum furnace;
4th step, heating under vacuum sole is vacuumized, limit heating, be evacuated to below 0.1Pa, be warming up to more than the temperature of fusion of brazing metal; Getter automatic activation under high temperature, high vacuum, brazing metal is also fused into liquid; Liquid retention is in ring seal box, and the edge of pipe and sealing cover is also flooded in a liquid, and liquid is by bleeding point self-sealing, and getter is also sealed in vacuum layer; Stop heating, with stove cooling, realize airtight sealing after brazing metal solidifies, open vacuum furnace, take out vacuum glass;
5th step, puts into seal gum in bleeding point, Paste Product trade mark or metal decorative sheet on seal gum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298495.6A CN104291584A (en) | 2013-07-17 | 2013-07-17 | Vacuum glass getter placement sealing structure and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298495.6A CN104291584A (en) | 2013-07-17 | 2013-07-17 | Vacuum glass getter placement sealing structure and manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN104291584A true CN104291584A (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310298495.6A Withdrawn CN104291584A (en) | 2013-07-17 | 2013-07-17 | Vacuum glass getter placement sealing structure and manufacturing method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1676481A (en) * | 2004-04-01 | 2005-10-05 | 唐健正 | vacuum glass edge heating method and vacuum glass made thereby |
| CN101792253A (en) * | 2010-04-14 | 2010-08-04 | 左树森 | Encapsulation method for vacuum glass getter |
| CN102653442A (en) * | 2011-03-03 | 2012-09-05 | 丁琪 | Vacuum plate glass welding sealing machine and metal expansion-resisting strip |
| US20120321822A1 (en) * | 2009-11-27 | 2012-12-20 | Luoyang Landglass Technology Co., Ltd | Compound Sealing Method for Vacuum Glass |
| CN102976592A (en) * | 2012-10-06 | 2013-03-20 | 戴长虹 | Flat vacuum glass welded by using metal welding material and provided with strip frame edge sealing, and manufacturing method thereof |
-
2013
- 2013-07-17 CN CN201310298495.6A patent/CN104291584A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1676481A (en) * | 2004-04-01 | 2005-10-05 | 唐健正 | vacuum glass edge heating method and vacuum glass made thereby |
| US20120321822A1 (en) * | 2009-11-27 | 2012-12-20 | Luoyang Landglass Technology Co., Ltd | Compound Sealing Method for Vacuum Glass |
| CN101792253A (en) * | 2010-04-14 | 2010-08-04 | 左树森 | Encapsulation method for vacuum glass getter |
| CN102653442A (en) * | 2011-03-03 | 2012-09-05 | 丁琪 | Vacuum plate glass welding sealing machine and metal expansion-resisting strip |
| CN102976592A (en) * | 2012-10-06 | 2013-03-20 | 戴长虹 | Flat vacuum glass welded by using metal welding material and provided with strip frame edge sealing, and manufacturing method thereof |
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Application publication date: 20150121 |