CN104291579A - Microwave-heated planar dual-vacuum-layer glass with edges and openings being sealed by sealing strips and manufacturing method thereof - Google Patents
Microwave-heated planar dual-vacuum-layer glass with edges and openings being sealed by sealing strips and manufacturing method thereof Download PDFInfo
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- CN104291579A CN104291579A CN201310298487.1A CN201310298487A CN104291579A CN 104291579 A CN104291579 A CN 104291579A CN 201310298487 A CN201310298487 A CN 201310298487A CN 104291579 A CN104291579 A CN 104291579A
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- vacuum layer
- sealed strip
- bleeding point
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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 microwave-heated planar dual-vacuum-layer glass with edges and openings being sealed by sealing strips. The planar dual-vacuum-layer glass comprises upper glass, lower glass and middle glass, wherein the upper glass, the middle glass and lower glass are planar glass; extraction openings are formed in the upper glass and the middle glass; the peripheries of the lower surfaces of the upper glass and the middle glass and the peripheries of the extraction openings are provided with at least one sealing strip respectively; the peripheries of the upper surfaces of the middle glass and the lower glass are provided with at least two sealing strips; at least one sealing strip is arranged at a position corresponding to the extraction opening on the lower glass; the peripheries of the three pieces of glass are welded together in a microwave oven under a normal pressure; and the extraction openings are automatically enclosed in a vacuum furnace by using a metal solder. A manufacturing method of the planar dual-vacuum-layer glass is simple in process. Through adoption of the manufactured planar dual-vacuum-layer glass and toughened planar dual-vacuum-layer glass, the defects in the prior art can be effectively overcome. The air tightness of the vacuum glass can be effectively ensured, and the strength, heat-insulating performance and sound-insulating performance of the vacuum glass can be enhanced.
Description
Technical field
The present invention relates to glass post-processing technical field, two vacuum layer glass of plane particularly relating to the sealing of a kind of microwave heating sealed strip edge sealing 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 according to the difference forming vacuum layer mode, 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 March, 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.
Disclose vacuum glass of a series of microwave heating welding and preparation method thereof in the patent of the vacuum glass that present invention applicant applied in October, 2012, but easily there is the phenomenon of rarefied gas ionization sparking under vacuo in microwave heating.
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 microwave heating sealed strip edge sealing to seal and preparation method thereof, the making method technique of the two vacuum layer glass of this plane is simple, the two vacuum layer glass of prepared plane and the two vacuum layer glass of tempering plane can overcome deficiency of the prior art, effectively can ensure resistance to air loss and the transparency of vacuum glass, 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 two vacuum layer glass of plane of a kind of microwave heating sealed strip edge sealing sealing, comprise glass, intermediate glass and lower-glass, described upper glass, intermediate glass and lower-glass are flat glasss, described upper glass and intermediate glass there is bleeding point, 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, the upper surface periphery of described intermediate glass and lower-glass has two sealed strips at least, described lower-glass has a sealed strip at least in the corresponding position of described bleeding point, sealed strip above to insert between sealed strip below or within, 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 microwave oven, 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, has the upholder in lattice arrangement 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 above-mentioned plane or the two vacuum layer glass of tempering plane, 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, make bleeding point in the edge punching of upper glass and intermediate glass, 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 three blocks of glass and the periphery of bleeding point and corresponding position, between sealed strip corresponding below sealed strip above can insert or within, 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 between intermediate glass and two sealed strips of lower-glass periphery, sends in microwave oven after three blocks of glass close sheet;
4th step, heat temperature raising operation is carried out to described microwave oven, be warming up to more than the melt temperature of low temperature glass solder, reach edge sealing temperature, between sealed strip below sealed strip above embeds under the action of gravity of glass, the low temperature glass solder of melting by upper and lower sealed strip by three pieces of glass cementations together; Stop heating, with stove cooling, hermetic welded together by three blocks of glass after low temperature glass solder solidifies, the fire door opening microwave oven 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, in liquid retention sealed strip below, sealed strip above 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, Paste Product trade mark or metal decorative sheet on seal gum in the bleeding point of the two vacuum layer glass of plane.
Wherein, the lower surface periphery of described upper glass and intermediate glass or the periphery of bleeding point are at least containing a sealed strip.
Wherein, the corresponding position of the bleeding point of the periphery of described lower-glass at least containing two sealed strips, described lower-glass is at least containing a sealed strip.
Wherein, the sealed strip above described is corresponding with the sealed strip below described, the sealed strip above described can insert described below sealed strip between or within.
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, can paint metals slurry between the sealed strip at described bleeding point place surface or sealed strip, 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 microwave oven once can heat the two vacuum layer glass of one to several piece plane.
Wherein, described microwave oven can have basic heating system and hot spot system, and basic 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 microwave 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:
The two vacuum layer glass of plane of microwave heating sealed strip edge sealing of the present invention sealing on it glass and the periphery of intermediate glass and the periphery of bleeding point have sealed strip, also there is sealed strip the periphery of intermediate glass and lower-glass and the corresponding position of bleeding point, make the edge sealing of the two vacuum layer glass of plane and seal easier, more reliable, even if the sealed strip of upper glass and the chimeric of the sealed strip of lower-glass 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 the sealed strip of upper glass and the sealed strip of lower-glass increases sealing surface area between lower-glass and airtight layer thickness, the chimeric of the sealed strip of upper glass and the sealed strip of lower-glass achieves the automatic-sealed of bleeding point and mass seals, the advantage of microwave heating is that rate of heating is fast, cooling rate is fast, it is several times or tens times of conventional heating, can selectivity and inside and outside while homogeneous heating solder, solder and the sintering temperature that glassy phase weight/power ratio is minimum, microwave heating can reduce again solder, so energy consumption is low, thus microwave heating have energy-conservation, save time, high-quality, efficient advantage, microwave heating can promote the diffusion of molecule, so microwave heating can reduce sintering temperature or welding temperature, is more conducive to the welding of tempering or semi-tempered glass, microwave heating can make the temperature of temperature lower than solder of bulk glass, effectively can prevent the annealing of toughened glass in edge sealing process, so can direct production tempering or half tempered vacuum glass, in addition, microwave heating is that absorbing material directly generates heat, so be particularly suitable for heating low emissivity glass, 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, 4. low temperature glass solder, 5. go up the sealed strip of glass, 6. the sealed strip of lower-glass, 7. brazing metal, 8. upholder, 9. intermediate glass, 10. seal gum, 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, 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 have one block of glass or low emissivity glass at least, 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, upper glass 1 and intermediate glass 9 bore a through hole respectively and forms bleeding point 3, the through hole wherein gone up on glass 1 is greater than the through hole on intermediate glass 9, and edging is carried out to three blocks of glass, chamfering, cleaning, drying treatment, secondly print at the periphery weld of upper glass 1, lower-glass 2 and intermediate glass 9 and the periphery of bleeding point 3 and corresponding position and prepare sealed strip 5 and 6, the lower surface of upper glass 1 and the upper surface of lower-glass 2 print and prepares upholder 8, intermediate glass 9 is sent in High Temperature Furnaces Heating Apparatus and carries out pyroprocessing, two blocks of upper and lower glass are sent into annealing furnace and carries 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, evenly low temperature glass solder is filled by between intermediate glass 9 and two sealed strips of lower-glass 2 periphery, and three pieces of glass consistencies from top to bottom are stacked together, send in microwave oven, microwave oven 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 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, take out the two vacuum layer glass of plane.Seal gum 10 is put into while hot as butyl rubber, the product brand 11 of covering above of seal gum 10, the upper surface flush of trade mark 11 and upper glass 1 in bleeding point.
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. the two vacuum layer glass of the plane of a microwave heating sealed strip edge sealing sealing, it is characterized in that: comprise glass, intermediate glass and lower-glass, 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, described upper glass there is bleeding point, 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, the upper surface periphery of described intermediate glass and lower-glass has two sealed strips at least, described lower-glass has a sealed strip at least in the corresponding position of described bleeding point, sealed strip above to insert between sealed strip below or within, 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 microwave oven, 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, has the upholder in lattice arrangement 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 1-4, it is characterized in that between the sealed strip surface at described bleeding point place or sealed strip can paint metals slurry, and metal paste contributes to combining closely of brazing metal and glass.
6. the two vacuum layer glass of the plane 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 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 common double vacuum layer glass or 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, make bleeding point in the edge punching of upper glass and intermediate glass, 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 three blocks of glass and the periphery of bleeding point and corresponding position, between sealed strip corresponding below sealed strip above can insert or within, 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 between intermediate glass and two sealed strips of lower-glass periphery, sends in microwave oven after three blocks of glass close sheet;
4th step, heat temperature raising operation is carried out to described microwave oven, be warming up to more than the melt temperature of low temperature glass solder, reach edge sealing temperature, between sealed strip below sealed strip above embeds under the action of gravity of glass, the low temperature glass solder of melting by upper and lower sealed strip by three pieces of glass cementations together; Stop heating, with stove cooling, hermetic welded together by three blocks of glass after low temperature glass solder solidifies, the fire door opening microwave oven 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, in liquid retention sealed strip below, sealed strip above 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, Paste Product trade mark or metal decorative sheet on seal gum 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 microwave oven 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 microwave oven 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 microwave heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298487.1A CN104291579A (en) | 2013-07-17 | 2013-07-17 | Microwave-heated planar dual-vacuum-layer glass with edges and openings being sealed by sealing strips and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298487.1A CN104291579A (en) | 2013-07-17 | 2013-07-17 | Microwave-heated planar dual-vacuum-layer glass with edges and openings being sealed by sealing strips and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN104291579A true CN104291579A (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310298487.1A Pending CN104291579A (en) | 2013-07-17 | 2013-07-17 | Microwave-heated planar dual-vacuum-layer glass with edges and openings being sealed by sealing strips and manufacturing method thereof |
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| CN1676481A (en) * | 2004-04-01 | 2005-10-05 | 唐健正 | vacuum glass edge heating method and vacuum glass made thereby |
| CN102079620A (en) * | 2009-11-27 | 2011-06-01 | 洛阳兰迪玻璃机器有限公司 | Closing method, closing structure and closing device for vacuum glass pumping hole |
| CN102951817A (en) * | 2012-10-06 | 2013-03-06 | 戴长虹 | Planar vacuum glass welded by glass solders in microwave manner and subjected to edge sealing by strip frames, and manufacturing method of glass |
| CN102951811A (en) * | 2012-10-06 | 2013-03-06 | 戴长虹 | Planar vacuum glass welded by metal solders in microwave manner and subjected to edge sealing by strip frames, and manufacturing method of glass |
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2013
- 2013-07-17 CN CN201310298487.1A patent/CN104291579A/en active Pending
Patent Citations (4)
| 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 |
| CN102079620A (en) * | 2009-11-27 | 2011-06-01 | 洛阳兰迪玻璃机器有限公司 | Closing method, closing structure and closing device for vacuum glass pumping hole |
| CN102951817A (en) * | 2012-10-06 | 2013-03-06 | 戴长虹 | Planar vacuum glass welded by glass solders in microwave manner and subjected to edge sealing by strip frames, and manufacturing method of glass |
| CN102951811A (en) * | 2012-10-06 | 2013-03-06 | 戴长虹 | Planar vacuum glass welded by metal solders in microwave manner and subjected to edge sealing by strip frames, and manufacturing method of glass |
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