CN104291570A - Microwave-heated planar vacuum glass with edges and openings being sealed by sealing strips and sealing grooves and manufacturing method thereof - Google Patents
Microwave-heated planar vacuum glass with edges and openings being sealed by sealing strips and sealing grooves and manufacturing method thereof Download PDFInfo
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- CN104291570A CN104291570A CN201310298477.8A CN201310298477A CN104291570A CN 104291570 A CN104291570 A CN 104291570A CN 201310298477 A CN201310298477 A CN 201310298477A CN 104291570 A CN104291570 A CN 104291570A
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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 microwave-heated planar vacuum glass with edges and openings being sealed by sealing strips and sealing grooves. The planar vacuum glass comprises upper glass and lower glass, wherein the upper glass and the lower glass are planar glass; the upper glass is provided with an extraction opening; the peripheries of the upper glass and the extraction opening are provided with the sealing strips; the sealing grooves and the sealing strips are arranged on the periphery of the lower glass and at corresponding positions of the extraction opening; the peripheries of the upper glass and the lower glass are welded together in a microwave oven under the normal pressure through a low-temperature glass solder; the extraction opening is automatically enclosed in a vacuum furnace by using a metal solder; an enclosed vacuum layer is formed between the upper glass and the lower glass; and supporting objects are arranged in the vacuum layer in a lattice form. The vacuum glass and a manufacturing method thereof are simple in process; through the manufactured vacuum glass and toughened vacuum glass, defects in the prior art can be overcome; the air tightness of the vacuum glass can be ensured effectively; 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 area vacuum glass of a kind of microwave heating seal strip groove edge sealing 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 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.
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, area vacuum glass providing a kind of microwave heating seal strip groove edge sealing to seal and preparation method thereof, the making method technique of this vacuum glass is simple, prepared vacuum glass and toughened vacuum glass 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 area vacuum glass of a kind of microwave heating seal strip groove edge sealing sealing, comprise glass and lower-glass, described upper glass and described lower-glass are flat glasss, described upper glass there is bleeding point, the periphery of described upper glass and described bleeding point has sealed strip, there are sealed strip and sealing groove in the periphery of described lower-glass and the corresponding position of described bleeding point, the periphery of described upper glass and described lower-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, 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, bleeding point is made in the edge punching of upper glass, offer sealing groove at the periphery weld of lower-glass and the corresponding position 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 the periphery of upper glass 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, subsequently upper glass, lower-glass are sent in High Temperature Furnaces Heating Apparatus or annealing furnace and carried out pyroprocessing or tempering process;
3rd step, by even spread low temperature glass solder in the sealing groove of lower-glass periphery, upper and lower glass is sent in microwave oven after closing sheet;
4th step, carries out heat temperature raising operation to described microwave oven, is warming up to more than the melt temperature of low temperature glass solder, reaches 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, two blocks of glass hermetic weld together by low temperature glass solder, and 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, 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 in the bleeding point of area vacuum glass, Paste Product trade mark or metal decorative sheet on seal gum.
Wherein, the described periphery of upper glass or the periphery of bleeding point have a sealed strip at least.
Wherein, the periphery of described lower-glass or the corresponding position of bleeding point have a sealing groove and a sealed strip at least.
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, 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 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 corresponding position 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 microwave oven once can heat one to several piece area vacuum glass.
Wherein, described microwave oven is normal reheating furnace or microwave oven.
Further, described microwave oven 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 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 area vacuum glass of microwave heating seal strip groove edge sealing of the present invention sealing on it periphery of glass and the periphery of bleeding point have sealed strip, there are sealing groove and sealed strip in the periphery of lower-glass and the corresponding position of bleeding point, 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 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 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 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, 4. low temperature glass solder, 5. sealed strip, 6. sealing groove, 7. brazing metal, 8. upholder, 9. seal gum, 10. product brand.
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, area 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 area vacuum glass and size cutting desired size, low emissivity glass is selected to be lower-glass 2, boring a through hole at the edge of upper glass 1 is bleeding point 3, sealing groove 6 is offered at the periphery of lower-glass 2 and the corresponding position of bleeding point 3, and carry out edging, chamfering and cleaning, dry, at the periphery weld of upper glass 1, on the periphery of bleeding point 3 and lower-glass 2, the periphery of sealing groove 6 utilizes screen printing technique to print sealed strip and at least one block of glass, prints 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 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 microwave oven, microwave oven 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 area vacuum glass.Seal gum 9 is put into while hot as butyl rubber, the product brand 10 of covering above of seal gum 9, the upper surface flush of trade mark 10 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 area vacuum glass of a microwave heating seal strip groove edge sealing sealing, it is characterized in that: comprise 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 periphery of described upper glass and described bleeding point has sealed strip, there are sealing groove and sealed strip in the periphery of described lower-glass and the corresponding position of described bleeding point, the periphery of described upper glass and described lower-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, 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 claims 1 to 3, 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 conventional vacuum glass or 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, bleeding point is made in the edge punching of upper glass, offer sealing groove at the periphery weld of lower-glass and the corresponding position 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 the periphery of upper glass 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, subsequently upper glass, lower-glass are sent in High Temperature Furnaces Heating Apparatus or annealing furnace and carried out pyroprocessing or tempering process;
3rd step, by even spread low temperature glass solder in the sealing groove of lower-glass periphery, upper and lower glass is sent in microwave oven after closing sheet;
4th step, carries out heat temperature raising operation to described microwave oven, is warming up to more than the melt temperature of low temperature glass solder, reaches 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, two blocks of glass hermetic weld together by low temperature glass solder, and 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, 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 in the bleeding point of area vacuum glass, Paste Product trade mark or metal decorative sheet on seal gum.
8. the preparation method of area vacuum glass according to claim 7, is characterized in that described microwave oven 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 microwave oven 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 microwave heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298477.8A CN104291570A (en) | 2013-07-17 | 2013-07-17 | Microwave-heated planar vacuum glass with edges and openings being sealed by sealing strips and sealing grooves and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298477.8A CN104291570A (en) | 2013-07-17 | 2013-07-17 | Microwave-heated planar vacuum glass with edges and openings being sealed by sealing strips and sealing grooves and manufacturing method thereof |
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| CN104291570A true CN104291570A (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310298477.8A Pending CN104291570A (en) | 2013-07-17 | 2013-07-17 | Microwave-heated planar vacuum glass with edges and openings being sealed by sealing strips and sealing grooves and manufacturing method thereof |
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Citations (7)
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| JP2002226235A (en) * | 2001-01-29 | 2002-08-14 | Central Glass Co Ltd | Low pressure double layered glass |
| CN1676481A (en) * | 2004-04-01 | 2005-10-05 | 唐健正 | vacuum glass edge heating method and vacuum glass made thereby |
| CN2740605Y (en) * | 2004-06-18 | 2005-11-16 | 兆宁 | Edge sealing structure of multiple vacuum layer glass |
| 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 |
| CN102951806A (en) * | 2012-10-06 | 2013-03-06 | 戴长虹 | Convex vacuum glass welded by glass solders in microwave manner and subjected to edge sealing by strip frames, and manufacturing method of 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 |
| CN102951828A (en) * | 2012-10-06 | 2013-03-06 | 戴长虹 | Glass solder-microwave welded and strip frame-groove-edge-sealed planar vacuum glass and manufacturing method thereof |
-
2013
- 2013-07-17 CN CN201310298477.8A patent/CN104291570A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002226235A (en) * | 2001-01-29 | 2002-08-14 | Central Glass Co Ltd | Low pressure double layered glass |
| CN1676481A (en) * | 2004-04-01 | 2005-10-05 | 唐健正 | vacuum glass edge heating method and vacuum glass made thereby |
| CN2740605Y (en) * | 2004-06-18 | 2005-11-16 | 兆宁 | Edge sealing structure of multiple vacuum layer glass |
| 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 |
| CN102951806A (en) * | 2012-10-06 | 2013-03-06 | 戴长虹 | Convex vacuum glass welded by glass solders in microwave manner and subjected to edge sealing by strip frames, and manufacturing method of 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 |
| CN102951828A (en) * | 2012-10-06 | 2013-03-06 | 戴长虹 | Glass solder-microwave welded and strip frame-groove-edge-sealed planar vacuum glass and manufacturing method thereof |
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Application publication date: 20150121 |
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