CN104291616A - Glass-welded planar dual-vacuum-layer glass provided with sealing strips, sealing grooves and mounting holes - Google Patents
Glass-welded planar dual-vacuum-layer glass provided with sealing strips, sealing grooves and mounting holes Download PDFInfo
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- CN104291616A CN104291616A CN201310298588.9A CN201310298588A CN104291616A CN 104291616 A CN104291616 A CN 104291616A CN 201310298588 A CN201310298588 A CN 201310298588A CN 104291616 A CN104291616 A CN 104291616A
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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 discloses glass-welded planar dual-vacuum-layer glass provided with sealing strips, sealing grooves and mounting holes. The planar dual-vacuum-layer glass comprises upper glass, lower glass and middle glass, and is characterized in that the mounting holes and extraction openings are combined into one; the peripheries of the lower surfaces of the upper glass and the middle glass and the peripheries of the extraction openings are provided with the sealing strips; the peripheries of the upper surfaces of the middle glass and the lower glass and the peripheries of the extraction openings are provided with the sealing strips and the sealing grooves; the peripheries of the three pieces of 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 by using a metal solder; two enclosed vacuum layers are formed among the three pieces of glass; and support objects are arranged in the vacuum layers in a lattice form. The 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-insulating performance and sound-insulating performance of the vacuum glass can be ensured.
Description
Technical field
The present invention relates to glass post-processing technical field, particularly relating to a kind of glass solder has two vacuum layer glass of the plane of seal strip 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, two vacuum layer glass of the plane providing a kind of glass solder to have seal strip groove and open holes and preparation method thereof, the making method technique of this vacuum glass is simple, prepared vacuum glass and toughened vacuum glass are not only conducive to installing and using, and resistance to air loss and the transparency 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 a kind of glass solder and have the two vacuum layer glass of the plane of seal strip groove and open holes, comprise glass, intermediate glass and lower-glass, it is characterized in that open holes and bleeding point unite two into one, described upper glass, intermediate glass and lower-glass are flat glasss, the lower surface periphery of described upper glass and intermediate glass and the periphery of described bleeding point have sealed strip, the upper surface periphery of described intermediate glass and lower-glass and the periphery of described bleeding point have sealed strip and sealing groove, the periphery of described upper glass and described lower-glass and described intermediate 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 upper glass and form two closed vacuum layer between described lower-glass and described intermediate glass, 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 the two vacuum layer glass of plane or the two vacuum layer glass of plane tempering, it comprises:
The first step, according to the shape of the two vacuum layer glass of the plane of required making and three pieces of flat glasss of size cutting desired size, bleeding point and open holes is made in the edge punching of three blocks of glass, offer sealing groove at lower-glass and the periphery weld of intermediate glass and the periphery of bleeding point, and edging, chamfering, cleaning and drying treatment are carried out to three blocks of glass;
Second step, sealed strip is prepared at the periphery of upper glass and the periphery of intermediate glass lower surface and the periphery of bleeding point and sealing groove, the sealed strip of upper glass can insert in corresponding sealing groove, and upholder is made at least one block of glass, three blocks of glass are sent in High Temperature Furnaces Heating Apparatus or annealing furnace carry out pyroprocessing or tempering process subsequently;
3rd step, by even spread low temperature glass solder in the sealing groove of intermediate glass and lower-glass periphery, sends in edge sealing stove after three blocks of glass close sheets;
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 the sealed strip of upper glass is under the action of gravity of glass in embedding sealing groove; Stop heating, with stove cooling, three 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, liquid retention is in the sealing groove of intermediate glass and lower-glass, the sealed strip of upper glass and intermediate 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, take out the two vacuum layer glass of plane;
6th step, puts into seal gum and protective casing, at the place suitable for reading Paste Product trade mark of protective casing in the bleeding point of the two vacuum layer glass of plane.
Wherein, the lower surface periphery of described upper glass and intermediate glass and the periphery of described bleeding point at least respectively have a sealed strip.
Wherein, the upper surface periphery of described intermediate glass and lower-glass and the periphery of described bleeding point at least respectively have two sealed strips and a sealing groove.
Wherein, described sealed strip is corresponding with described sealing groove, and described sealed strip can insert in described sealing groove.
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, described upper glass, described intermediate glass and described lower-glass are simple glass or toughened glass or semi-tempered glass.
Wherein, described upper glass, described intermediate 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 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, 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 the two vacuum layer glass of one to several piece plane.
Wherein, described edge sealing stove is normal reheating furnace or microwave oven.
Further, 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 two vacuum layer glass of the plane of seal strip groove and open holes on it glass and the periphery of intermediate glass and the periphery of bleeding point have sealed strip, the periphery of intermediate glass and lower-glass and the periphery of bleeding point have sealing groove and sealed strip, make the edge sealing of the two vacuum layer glass of plane and seal easier, more reliable, even if sealed strip and the chimeric of sealing groove ensure that the two sealing effectiveness of vacuum layer glass when glass deformation of plane, there is between sealed strip and upper lower-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, 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 the two vacuum layer glass structural representation of plane 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. intermediate glass, 10. seal gum, 11. protective casings, 12. 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, the two vacuum layer glass of plane is by upper glass 1, intermediate glass 9 and lower-glass 2 form, at least go up in three blocks of glass, lower-glass is toughened glass or semi-tempered glass, wherein lower-glass 2 or and intermediate glass 9 or low emissivity glass, its making method is as follows: first according to the shape of the two vacuum layer glass of the plane of required making and three pieces of flat glasss of size cutting desired size, three blocks of glass bore a through hole respectively and forms bleeding point and open holes 3, sealing groove 6 is offered at intermediate glass 9 and the upper surface periphery of lower-glass 2 and the periphery of bleeding point 3, and edging is carried out to three blocks of glass, chamfering, cleaning, drying treatment, secondly sealed strip 5 and 6 is prepared in the periphery printing of upper glass 1 and the lower surface periphery of intermediate glass 9, the periphery of bleeding point 3 and sealing groove 6, the lower surface of upper glass 1 and the upper surface of lower-glass 2 print and prepares upholder 8, high temperature sintering is carried out to the sealed strip 5 and 6 of intermediate glass 9, two blocks of upper and lower glass are carried out tempering process, again respectively the upholder 8 on upper and lower glass is machined to same level height by the method for mechanical workout, low temperature glass solder 4 is evenly filled by the sealing groove of intermediate glass 9 and lower-glass 2 periphery, and three 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, basal temperature is made to 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 three pieces of glass cementations together, stop heating, with stove cooling, three blocks of glass hermetic weld together by low temperature glass solder 4, finally in bleeding point 3, load metallic tin 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 280 DEG C of metallic tin solder 7, metallic tin 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 tin solder 7 condenses into solid, realizes airtight sealing to bleeding point, opens vacuum oven, take out the two vacuum layer glass of plane.In open holes, smear seal gum 10 while hot as butyl rubber, protective casing 11 is loaded in open holes 3, fill up the space between protective casing 11 and open holes 3 with seal gum 10, finally on protective casing 11, cover product brand 12.
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 two vacuum layer glass of the plane of seal strip groove and open holes, comprise glass, intermediate glass and lower-glass, it is characterized in that: open holes and bleeding point unite two into one, described upper glass, intermediate glass and lower-glass are flat glasss, described upper glass, intermediate glass and lower-glass are simple glass or toughened glass or semi-tempered glass, the lower surface of described upper glass and intermediate glass and the periphery of described bleeding point have sealed strip, the periphery of described intermediate glass and lower-glass upper surface and the periphery of described bleeding point have sealing groove and sealed strip, the periphery of described upper glass and described lower-glass and described intermediate 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, described upper glass and form two closed vacuum layer between described lower-glass and described intermediate glass, the upholder in lattice arrangement is had in described vacuum layer.
2. the two vacuum layer glass of plane 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. the two vacuum layer glass of plane according to claim 1 and 2, is characterized in that described upper glass, described intermediate glass and described lower-glass are simple glass or coated glass or Low-E glass.
4. the two vacuum layer glass of the plane 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 two vacuum layer glass of the plane 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 two vacuum layer glass of the plane according to any one of claims 1 to 3, is characterized in that above support has one deck or two-layer.
7. the preparation method of the two vacuum layer glass of the plane described in any one of claim 1 to 6, is characterized in that: the two vacuum layer glass of described plane is the two vacuum layer glass of plane or the two vacuum layer glass of plane tempering, and preparation method is as follows:
The first step, according to the shape of the two vacuum layer glass of the plane of required making and three pieces of flat glasss of size cutting desired size, bleeding point and open holes is made in the edge punching of three blocks of glass, offer sealing groove at lower-glass and the periphery weld of intermediate glass and the periphery of bleeding point, and edging, chamfering, cleaning and drying treatment are carried out to three blocks of glass;
Second step, sealed strip is prepared at the periphery of upper glass and the periphery of intermediate glass lower surface and the periphery of bleeding point and sealing groove, the sealed strip of upper glass can insert in corresponding sealing groove, and upholder is made at least one block of glass, three blocks of glass are sent in High Temperature Furnaces Heating Apparatus or annealing furnace carry out pyroprocessing or tempering process subsequently;
3rd step, by even spread low temperature glass solder in the sealing groove of intermediate glass and lower-glass periphery, sends in edge sealing stove after three blocks of glass close sheets;
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 the sealed strip of upper glass is under the action of gravity of glass in embedding sealing groove; Stop heating, with stove cooling, three 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, liquid retention is in the sealing groove of intermediate glass and lower-glass, the sealed strip of upper glass and intermediate 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, take out the two vacuum layer glass of plane;
6th step, puts into seal gum and protective casing, at the place suitable for reading Paste Product trade mark of protective casing in the bleeding point of the two vacuum layer glass of plane.
8. the preparation method of the two vacuum layer glass of plane according to claim 7, is characterized in that described edge sealing stove once can heat the two vacuum layer glass of one to several piece plane.
9. the preparation method of the two vacuum layer glass of plane 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 the two vacuum layer glass of plane 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 |
|---|---|---|---|
| CN201310298588.9A CN104291616A (en) | 2013-07-17 | 2013-07-17 | Glass-welded planar dual-vacuum-layer glass provided with sealing strips, sealing grooves and mounting holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298588.9A CN104291616A (en) | 2013-07-17 | 2013-07-17 | Glass-welded planar dual-vacuum-layer glass provided with sealing strips, sealing grooves and mounting holes |
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| Publication Number | Publication Date |
|---|---|
| CN104291616A true CN104291616A (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310298588.9A Pending CN104291616A (en) | 2013-07-17 | 2013-07-17 | Glass-welded planar dual-vacuum-layer glass provided with sealing strips, sealing grooves and mounting holes |
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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 |
| CN102976595A (en) * | 2012-10-06 | 2013-03-20 | 戴长虹 | Flat vacuum glass welded by using glass welding material and provided with strip frame edge sealing and ditch groove edge sealing, and manufacturing method thereof |
-
2013
- 2013-07-17 CN CN201310298588.9A patent/CN104291616A/en active Pending
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 |
| CN102976595A (en) * | 2012-10-06 | 2013-03-20 | 戴长虹 | Flat vacuum glass welded by using glass welding material and provided with strip frame edge sealing and ditch groove edge sealing, and manufacturing method thereof |
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Application publication date: 20150121 |