CN104291626A - Glass-welded planar vacuum glass provided with sealing grooves and mounting holes - Google Patents
Glass-welded planar vacuum glass provided with sealing grooves and mounting holes Download PDFInfo
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- CN104291626A CN104291626A CN201310298668.4A CN201310298668A CN104291626A CN 104291626 A CN104291626 A CN 104291626A CN 201310298668 A CN201310298668 A CN 201310298668A CN 104291626 A CN104291626 A CN 104291626A
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- glass
- vacuum
- bleeding point
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- solder
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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
Abstract
The invention discloses glass-welded planar vacuum glass provided with sealing grooves and mounting holes. The planar vacuum glass comprises upper glass and lower glass, and is characterized in that the mounting holes and extraction openings are combined into one; the upper glass and the lower glass are planar glass; the peripheries of the upper glass and the extraction openings are provided with sealing strips; the periphery of the lower glass and the peripheries of the extraction openings are provided with the sealing grooves; the peripheries of the upper glass and the lower glass are welded together in an edge-sealing furnace under a normal pressure through a low-temperature glass solder; the extraction openings are automatically enclosed in a vacuum furnace through a metal solder; an enclosed vacuum layer is formed between the upper glass and the lower glass; and support objects are arranged in the vacuum layer in a lattice form. The planar vacuum glass and a manufacturing method thereof are simple in process. The manufactured vacuum glass and toughened vacuum glass are easy to mount and use. Moreover, the air tightness of the vacuum glass can be ensured, and the strength, heat insulation performance and sound insulation performance of the vacuum glass can be enhanced.
Description
Technical field
The present invention relates to glass post-processing technical field, particularly relate to a kind of glass solder area vacuum glass having sealing groove and open holes and preparation method thereof.
Background technology
Vacuum glass is a kind of novel energy-saving glass, and vacuum glass not only can solve " breathing " problem of the double glazing of existing a large amount of use, and has that heat-and sound-insulating performance is good, wind pressure resistant strength is high, thickness is little and the advantage such as long service life.Vacuum glass is generally made up of two to three sheet glass, and form cavity between two adjacent sheet glass, the periphery of glass is provided with edge sealing structure, cavity forms vacuum layer after being pumped into vacuum.Vacuum glass is different according to the mode forming vacuum layer, can be divided into two kinds, a kind of is vacuum glass without bleeding point, and the edge sealing of this vacuum glass carries out in vacuum oven, along with completing of edge sealing, between two adjacent sheet glass the cavity self-assembling formation vacuum layer closed; Another kind is the vacuum glass having bleeding point, the edge sealing of this vacuum glass carries out in High Temperature Furnaces Heating Apparatus at ambient pressure, after edge sealing completes again by prefabricated bleeding point between glass the cavity closed vacuumize, finally terminate rear enclosed bleeding point bleeding, complete the making of vacuum glass.
A series of vacuum glass without bleeding point and preparation method thereof is disclosed in the patent of the vacuum glass that present invention applicant applied in October, 2012, but when utilizing low temperature glass solder edge sealing, because low temperature glass solder is made up of many oxide, at high temperature, under vacuum, the air of solder wettable and moisture, volatile substances in solder, in the gas that solder dissolves in process of production and solder, the decomposition etc. of partial oxide all can cause in solder and produce a large amount of bubbles, greatly weaken the properties especially resistance to air loss of solder, the feasibility of this kind of mode is caused to be greatly affected.The vacuum glass of existing mass production is all the vacuum glass having bleeding point, but there is complex manufacturing technology, extraction temperature low (bleeding not thorough), monolithic vacuumizes, cost is high, production capacity is low, can not make the shortcomings such as toughened vacuum glass.
Vacuum glass can substitute existing single-glass and be applied to and require heat insulation and place that is sound insulation, and some installation sites need punching on glass to install, and vacuum glass obviously cannot punch when mounted thereon, otherwise can destroy its vacuum.
Summary of the invention
Technical problem to be solved by this invention is the defect being to exist for existing bleeding point vacuum glass, area vacuum glass providing a kind of glass solder to have sealing groove and open holes and preparation method thereof, the making method technique of this vacuum glass is simple, made vacuum glass and toughened vacuum glass are not only conducive to installing and using, and the resistance to air loss of vacuum glass can be ensured, and its intensity and heat insulation, sound-proofing properties can be increased.
In order to solve the problems of the technologies described above, the invention provides the area vacuum glass that a kind of glass solder has sealing groove and open holes, comprise glass and lower-glass, it is characterized in that open holes and bleeding point unite two into one, described upper glass and described lower-glass are flat glasss, the periphery of described upper glass and described bleeding point has sealed strip, the periphery of described lower-glass and the periphery of described bleeding point have sealing groove, the periphery of described upper glass and described lower-glass is by welding together in low temperature glass solder at ambient pressure edge sealing stove, described bleeding point utilizes brazing metal self-closed in vacuum oven, the vacuum layer that between described upper glass and described lower-glass, formation one is closed, the upholder in lattice arrangement is had in described vacuum layer.
In order to solve the problems of the technologies described above, the invention provides the preparation method of area vacuum glass or plane toughened vacuum glass, it comprises:
The first step, according to the shape of the area vacuum glass of required making and two pieces of flat glasss up and down of size cutting desired size, at edge punching fabrication and installation hole and the bleeding point of upper lower-glass, offer sealing groove at the periphery weld of lower-glass and the periphery of bleeding point, and edging, chamfering, cleaning and drying treatment are carried out to upper and lower two blocks of glass;
Second step, sealed strip is prepared at the periphery of upper glass and the periphery of bleeding point, sealed strip can insert in corresponding sealing groove, and makes upholder at least one block of glass, upper glass, lower-glass is sent in High Temperature Furnaces Heating Apparatus or annealing furnace and carries out high temperature or tempering process subsequently;
3rd step, by even spread low temperature glass solder in the sealing groove of lower-glass periphery, upper and lower glass is sent in edge sealing stove after closing sheet;
4th step, carries out heat temperature raising operation to described edge sealing stove, is warming up to more than the melt temperature of low temperature glass solder, reach edge sealing temperature, and sealed strip is under the action of gravity of glass in embedding sealing groove; Stop heating, with stove cooling, two blocks of glass hermetic weld together by low temperature glass solder, and the fire door opening edge sealing stove obtains double glazing;
5th step, loads brazing metal in the bleeding point of double glazing, and sends in vacuum oven; Described 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, brazing metal is fused into liquid, and liquid retention is in the sealing groove of lower-glass, the sealed strip of upper glass also floods in a liquid, and liquid is by bleeding point self-sealing; Stop heating, with stove cooling, brazing metal solidifies and realizes airtight sealing to bleeding point afterwards, opens vacuum oven, takes out area vacuum glass;
6th step, puts into seal gum and protective casing in the bleeding point of area vacuum glass, at the place suitable for reading Paste Product trade mark of protective casing.
Wherein, the periphery of described upper glass or the periphery of bleeding point are at least containing a sealed strip.
Wherein, the periphery of described lower-glass or the periphery of bleeding point are at least containing a sealing groove.
Wherein, the sealed strip of described upper glass is corresponding with the sealing groove of described lower-glass, and the sealed strip of described upper glass can insert in the sealing groove of described lower-glass.
Wherein, described upper glass and described lower-glass are simple glass or toughened glass or semi-tempered glass.
Wherein, described upper glass and described lower-glass are simple glass or coated glass or Low-E glass.
Wherein, described sealed strip adopts printing, printing or mechanically spraying cryogenic glass powder or the mode such as glass ink or metal paste to prepare.
Wherein, described sealing groove is formed by mechanical workout or laser processing, and preferred mechanical processing mode, as mechanical mill, mechanical cutting etc.
Wherein, the internal surface of the sealing groove of described lower-glass bleeding point periphery can paint metals slurry, and metal paste contributes to combining closely of brazing metal and glass.
Wherein, described brazing metal comprises low-temperature metal solder and solder, and described material is existing commercial commodity.
Further, the fusing point of described brazing metal is lower than the fusing point of low temperature glass solder, and during brazing metal fusing, the low temperature glass solder of edge sealing remains unchanged.
Further, the shape of described brazing metal is powdery, strip, sheet or bulk, ring-type, tubulose etc.
Wherein, have metal paste coating between described brazing metal and described glass or described sealed strip, metal paste contributes to combining closely of brazing metal and glass.
Wherein, above support is made up of metal, pottery, glass or high molecular polymer, matrix material, preferably adopts printing, sprayed glass ink or polymkeric substance preparation.
Wherein, above support has one deck or two-layer; Above support is printed on one block of glass, or is printed on two blocks of glass, and conventional vacuum glass is preferably printed on one block of glass, and toughened vacuum glass is preferably printed on two blocks of glass.
Wherein, above support is column, or is strip; When upholder is printed on one block of glass, preferably cylindric; When upholder is printed on two blocks of glass simultaneously, be preferably strip, and vertical pile.
Wherein, described edge sealing stove once can heat one to several piece area vacuum glass.
Wherein, described edge sealing stove can have basic heating system and hot spot system, basis heating system can adopt the mode of Hot-blast Heating or resistive heating as nichrome wire, electrothermal tube, hot plate etc. or inhale ripple heating element, and hot spot system adopts the mode such as microwave heating or Infrared Heating;
Further, the heating of described basis, is that burner hearth or bulk glass are heated to a lower temperature, as 300 ~ 350 DEG C, toughened glass can not be caused obviously to anneal;
Further, described local heating is that solder or glass periphery are heated to a higher temperature, as 400 ~ 450 DEG C, prevents the overall obviously annealing of toughened glass;
Wherein, described in vacuumize and bleeding point sealing, can in vacuum oven batch carry out, also can monolithic implement; Overallly can heat glass, also can local heating bleeding point.
Wherein, described vacuum oven heating, can adopt conventional heating, Infrared Heating, also can adopt induction heating, LASER HEATING, can also adopt other suitable heating unit or heater meanses.
Further, described heating, can heat bulk glass, also can local heating bleeding point.
Wherein, 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:
Glass solder of the present invention have the area vacuum glass of sealing groove and open holes on it periphery of glass and the periphery of bleeding point have sealed strip, the periphery of lower-glass and the periphery of bleeding point have sealing groove, make the edge sealing of vacuum glass and seal easier, more reliable, even if sealed strip ensure that the sealing effectiveness of vacuum glass when glass deformation with the chimeric of sealing groove, there is between sealed strip and upper glass the bonding strength higher than low temperature welding glass, the chimeric of sealed strip and sealing groove increases sealing surface area between lower-glass and airtight layer thickness, the chimeric of sealed strip and sealing groove achieves the automatic-sealed of bleeding point and mass seals, the open holes of vacuum glass of the present invention, structure is simple, safe and reliable, convenient for production, with low cost, open holes and the bleeding point of vacuum glass of the present invention unite two into one, and not only production technique is simple, and intensity is higher, the quantity of open holes is not limit, and can have one to several, not only facilitates and installs but also be conducive to vacuumizing, its size of open holes of the present invention relatively can be very large, and inside can increase protective casing, thus is conducive to the quality and performance improving vacuum glass, extends its work-ing life, under normal pressure, under low temperature glass solder edge sealing and vacuum, brazing metal sealing solves the airtight integrity problem of solder, add the tightness of vacuum layer between upper and lower glass, improve the life-span of vacuum glass, drastically increase the productivity of vacuum glass and qualification rate, reduce the production cost of vacuum glass.
Accompanying drawing explanation
Fig. 1 is area vacuum glass structure schematic diagram of the present invention.
In figure: 1. go up glass, 2. lower-glass, 3. bleeding point and open holes, 4. low temperature glass solder, 5. sealed strip, 6. sealing groove, 7. brazing metal, 8. upholder, 9. seal gum, 10. protective casing, 11. product brands.
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, two blocks of glass are toughened glass or semi-tempered glass, wherein one piece or low emissivity glass, its making method is as follows: first according to one piece of flat glass and one block of low emissivity glass of the shape of made vacuum glass and size cutting desired size, low emissivity glass is selected to be lower-glass 2, respectively bore a through hole at the edge of upper lower-glass and form bleeding point and open holes 3, sealing groove 6 is offered at the periphery of lower-glass 2 and the periphery of bleeding point 3, and carry out edging, chamfering and cleaning, dry, utilize screen printing technique to print sealed strip at the periphery weld of upper glass 1 and the periphery of bleeding point 3 and print upholder 8 simultaneously, secondly two blocks of glass are sent in annealing furnace and carry out wind-cooling reinforcing, obtain tempering or semi-tempered glass, again evenly fill low temperature glass solder 4 by the sealing groove 6 of lower-glass 2 periphery, and two pieces of glass consistencies from top to bottom are stacked together, send in edge sealing stove, again by even spread low temperature glass solder 4 in the sealing groove 6 of lower-glass 2 periphery, and two pieces of glass consistencies from top to bottom are stacked together, send in edge sealing stove, edge sealing stove and accessory has basic heating system and hot spot system, first utilize basic heating system as electric heater for heating, make basal temperature rise to 300 ~ 350 DEG C, low temperature glass solder is heated to melt temperature 430 ~ 450 DEG C by the microwave heating of recycling hot spot system, and the low temperature glass solder 4 of melting by two pieces of glass cementations together, stop heating, with stove cooling, two blocks of glass hermetic weld together by low temperature glass solder 4, finally in bleeding point 3, load metallic zinc solder 7, send in vacuum oven, carry out vacuumizing and heating operation, be evacuated to below 0.1Pa, be warming up to the melt temperature more than 380 DEG C of metallic zinc solder 7, metallic zinc solder 7 is fused into liquid retention in sealing groove 6, sealed strip 5 also floods in a liquid, and liquid is by bleeding point self-sealing, stop heating, with stove cooling, metallic zinc solder 7 condenses into solid, realizes airtight sealing to bleeding point, opens vacuum oven, takes out vacuum glass.In bleeding point, put into seal gum 9 while hot as butyl rubber, protective casing 10 is loaded in open holes 3, fill up the space between protective casing 10 and open holes 3 with seal gum 9, finally on protective casing 10, cover product brand 11.
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, based on the amendment of foregoing, can 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 glass solder has the area vacuum glass of sealing groove and open holes, comprise glass and lower-glass, it is characterized in that: open holes and bleeding point unite two into one, described upper glass and described lower-glass are flat glasss, described upper glass and described lower-glass are simple glass or toughened glass or semi-tempered glass, the periphery of described upper glass and described bleeding point has sealed strip, the periphery of described lower-glass and the periphery of described bleeding point have sealing groove, the periphery of described upper glass and described lower-glass is by welding together in low temperature glass solder at ambient pressure edge sealing stove, described bleeding point utilizes brazing metal self-closed in vacuum oven, described brazing metal comprises low-temperature metal solder and solder, the vacuum layer that between described upper glass and described lower-glass, formation one is closed, the upholder in lattice arrangement is had in described vacuum layer.
2. area vacuum glass according to claim 1, is characterized in that there is metal paste coating between described brazing metal and described glass or described sealed strip, and metal paste contributes to combining closely of brazing metal and glass.
3. area vacuum glass according to claim 1 and 2, is characterized in that described upper glass and described lower-glass are simple glass or coated glass or Low-E glass.
4. the area vacuum glass according to any one of claims 1 to 3, is characterized in that the employing of described sealed strip is printed, print or prepared by the mode of mechanically spraying cryogenic glass powder or glass ink or metal paste.
5. the area vacuum glass according to any one of claims 1 to 3, is characterized in that described sealing groove adopts mechanical workout or laser processing to form.
6. the area vacuum glass according to any one of claim 1 to 5, is characterized in that above support has one deck or two-layer.
7. the preparation method of the area vacuum glass described in any one of claim 1 to 6, is characterized in that: described area vacuum glass is area vacuum glass or plane toughened vacuum glass, and preparation method is as follows:
The first step, according to the shape of the area vacuum glass of required making and two pieces of flat glasss up and down of size cutting desired size, at edge punching fabrication and installation hole and the bleeding point of upper lower-glass, offer sealing groove at the periphery weld of lower-glass and the periphery of bleeding point, and edging, chamfering, cleaning and drying treatment are carried out to upper and lower two blocks of glass;
Second step, sealed strip is prepared at the periphery of upper glass and the periphery of bleeding point, sealed strip can insert in corresponding sealing groove, and makes upholder at least one block of glass, upper glass, lower-glass is sent in High Temperature Furnaces Heating Apparatus or annealing furnace and carries out high temperature or tempering process subsequently;
3rd step, by even spread low temperature glass solder in the sealing groove of lower-glass periphery, upper and lower glass is sent in edge sealing stove after closing sheet;
4th step, carries out heat temperature raising operation to described edge sealing stove, is warming up to more than the melt temperature of low temperature glass solder, reach edge sealing temperature, and sealed strip is under the action of gravity of glass in embedding sealing groove; Stop heating, with stove cooling, two blocks of glass hermetic weld together by low temperature glass solder, and the fire door opening edge sealing stove obtains double glazing;
5th step, loads brazing metal in the bleeding point of double glazing, and sends in vacuum oven; Described 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, brazing metal is fused into liquid, and liquid retention is in the sealing groove of lower-glass, the sealed strip of upper glass also floods in a liquid, and liquid is by bleeding point self-sealing; Stop heating, with stove cooling, brazing metal solidifies and realizes airtight sealing to bleeding point afterwards, opens vacuum oven, takes out area vacuum glass;
6th step, puts into seal gum and protective casing in the bleeding point of area vacuum glass, at the place suitable for reading Paste Product trade mark of protective casing.
8. the preparation method of area vacuum glass according to claim 7, is characterized in that described edge sealing stove once can heat one to several piece area vacuum glass.
9. the preparation method of area vacuum glass according to claim 7, is characterized in that described edge sealing stove and accessory has basic heating system and hot spot system.
10. the preparation method of area vacuum glass according to claim 9, it is characterized in that described basic heating system adopts one or several of Hot-blast Heating, resistive heating, Infrared Heating and far-infrared heating, described hot spot system adopts the mode such as microwave heating or Infrared Heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298668.4A CN104291626A (en) | 2013-07-17 | 2013-07-17 | Glass-welded planar vacuum glass provided with sealing grooves and mounting holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298668.4A CN104291626A (en) | 2013-07-17 | 2013-07-17 | Glass-welded planar vacuum glass provided with sealing grooves and mounting holes |
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| Publication Number | Publication Date |
|---|---|
| CN104291626A true CN104291626A (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310298668.4A Withdrawn CN104291626A (en) | 2013-07-17 | 2013-07-17 | Glass-welded planar vacuum glass provided with sealing grooves and mounting holes |
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| CN (1) | CN104291626A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102249561A (en) * | 2010-12-10 | 2011-11-23 | 洛阳兰迪玻璃机器有限公司 | Vacuum glass with mounting holes |
| US20120321822A1 (en) * | 2009-11-27 | 2012-12-20 | Luoyang Landglass Technology Co., Ltd | Compound Sealing Method for Vacuum Glass |
| CN102951814A (en) * | 2012-10-06 | 2013-03-06 | 戴长虹 | Convex low-altitude glass welded by metal solders and subjected to edge sealing by strip frame and groove, and manufacturing method of glass |
| CN102951802A (en) * | 2012-10-06 | 2013-03-06 | 戴长虹 | Planar vacuum glass welded by glass solders and subjected to edge sealing by groove, and manufacturing method of glass |
-
2013
- 2013-07-17 CN CN201310298668.4A patent/CN104291626A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120321822A1 (en) * | 2009-11-27 | 2012-12-20 | Luoyang Landglass Technology Co., Ltd | Compound Sealing Method for Vacuum Glass |
| CN102249561A (en) * | 2010-12-10 | 2011-11-23 | 洛阳兰迪玻璃机器有限公司 | Vacuum glass with mounting holes |
| CN102951814A (en) * | 2012-10-06 | 2013-03-06 | 戴长虹 | Convex low-altitude glass welded by metal solders and subjected to edge sealing by strip frame and groove, and manufacturing method of glass |
| CN102951802A (en) * | 2012-10-06 | 2013-03-06 | 戴长虹 | Planar vacuum glass welded by glass solders and subjected to edge sealing by groove, and manufacturing method of glass |
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Application publication date: 20150121 |
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| WW01 | Invention patent application withdrawn after publication |