CN104291638A - Microwave-welded convex tempered vacuum glass edge-sealed with sealing groove and having vacuumizing hole - Google Patents
Microwave-welded convex tempered vacuum glass edge-sealed with sealing groove and having vacuumizing hole Download PDFInfo
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- CN104291638A CN104291638A CN201310298796.9A CN201310298796A CN104291638A CN 104291638 A CN104291638 A CN 104291638A CN 201310298796 A CN201310298796 A CN 201310298796A CN 104291638 A CN104291638 A CN 104291638A
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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
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- 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
A microwave-welded convex tempered vacuum glass edge-sealed with sealing grooves and having a vacuumizing hole includes upper glass and lower glass which are characterized by being convex tempered glass. The vacuumizing hole is arranged in the upper glass. Peripheries of the upper glass and the vacuumizing hole are provided with sealing bars and the periphery of the lower glass and positions corresponding to the vacuumizing hole are provided with the sealing grooves. The peripheries of the upper glass and the lower glass are welded to each other in a microwave oven at a normal pressure through a low-temperature glass solder. The vacuumizing hole is automatically sealed in a vacuum oven through a metal solder. A sealed vacuum layer is formed between the upper glass and the lower glass. The edge-sealing bar is manufactured from tempered glass printing ink and/or a high polymer. The high polymer is firstly prepared into a pre-polymer. The pre-polymer, after the glass being tempered, is manufactured on the glass or the tempered glass printing ink. The pre-polymer is solidified to form an elastomer at room temperature or a high temperature. The pre-polymer or the elastomer can automatically adapt with change of height of the vacuum layer. Volatile gas in the elastomer is exhausted from the elastomer at a high temperature and a high vacuum degree.
Description
Technical field
The present invention relates to glass post-processing technical field, particularly relate to a kind of microwave joining sealing groove edge sealing convex surface toughened vacuum glass having bleeding point 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.In addition, it is larger that the sealed strip utilizing cryogenic glass powder or low temperature glass solder to make and upholder reach required its difficulty of height, its reason one is that glass is non-hygroscopic, be difficult to make highly higher sealed strip and upholder, two sealed strips when being glass temperings and upholder at high temperature melts, it reduces highly further.
Summary of the invention
Technical problem to be solved by this invention is the defect being to exist for existing bleeding point vacuum glass, a kind of microwave joining sealing groove edge sealing convex surface toughened vacuum glass having bleeding point and preparation method thereof is provided, the making method technique of this vacuum glass is simple, prepared 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 convex surface toughened vacuum glass that a kind of microwave joining sealing groove edge sealing has bleeding point, comprise glass and lower-glass, it is characterized in that: described upper glass and described lower-glass are convex surface toughened glass, described upper glass there is bleeding point, the periphery of described upper glass and described bleeding point has sealed strip, there is sealing groove 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, described sealed strip is made up of toughened glass ink and/or superpolymer, described superpolymer first makes performed polymer, again described performed polymer is prepared on described glass or described toughened glass ink after glass tempering, described performed polymer is solidified into elastomerics at ambient temperature or elevated temperature, described performed polymer or elastomerics can adapt to the change of described vacuum layer height automatically, and described elastomerics gets rid of the volatile gases contained by self under high temperature, high vacuum.
In order to solve the problems of the technologies described above, the invention provides the preparation method of convex surface toughened vacuum glass or convex surface toughened vacuum glass, it comprises:
The first step, according to the shape of the 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 upper glass and the periphery of bleeding point, sealed strip can insert in corresponding sealing groove, upper lower-glass after process is loaded hot bending die, is placed in annealing furnace, be warming up to the temperature 550 ~ 750 DEG C of Glass Transition, rely on the gravity of glass self or externally applied forces to make glass form convex surface downwards, and carry out wind-cooling reinforcing process;
3rd step, selects suitable polymer monomer, first monomer whose is become the performed polymer of setting viscosity through preliminary polymerization, is then produced on toughened glass ink or upper lower-glass by performed polymer by printing, printing or the mode of mechanically spraying; Performed polymer can at room temperature be solidified into elastomerics, elastomerics by catalyzer in vacuum glass edge sealing process, be heated to the irregular change that elastomeric state adapts to vacuum layer height automatically before glass closes sheet; Performed polymer also automatically can adapt to after glass closes sheet vacuum layer height irregular change, again by hot setting elastomer-forming;
4th 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;
5th 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 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 microwave oven obtains double glazing;
6th 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 vacuum glass;
7th step, puts into seal gum in the bleeding point of vacuum glass, Paste Product trade mark or metal decorative sheet on seal gum.
Wherein, described convex glass convex surface facing outside, convex surface bow is highly not less than 0.1mm, is preferably 1 ~ 200mm, more preferably 3 ~ 10mm.
Wherein, the periphery of described upper glass or the periphery of bleeding point at least respectively have a sealed strip.
Wherein, at least respectively there is a sealing groove periphery of described lower-glass or the corresponding position of bleeding point.
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 vacuum glass can also comprise one block of intermediate glass, described intermediate glass is clipped between described upper glass and described lower-glass, described upper glass and described intermediate glass there is bleeding point, described bleeding point utilizes brazing metal self-closed in vacuum oven, and described upper glass and described lower-glass form two closed vacuum layer respectively with described intermediate glass.
Wherein, described upper glass, described intermediate glass and described lower-glass are toughened glass or semi-tempered glass.
Wherein, described upper glass, described intermediate glass and described lower-glass are coated glass or Low-E glass.
Wherein, absorbing material can be contained in described sealed strip, the ability that described absorbing material has stronger absorption microwave and generates heat, as BaO, ZnO, SiC and carbon black etc.
Wherein, can containing metal-powder as silver powder, aluminium powder, magnesium alloy powder etc. in described sealed strip.
Wherein, described sealed strip adopts printing, printing or mechanically spraying toughened glass ink and/or the mode such as performed polymer 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, in the vacuum layer of described convex surface toughened vacuum glass not or have a small amount of upholder, convex surface toughened vacuum glass mainly relies on convex shape to resist barometric point.
Wherein, above support is made up of metal, pottery, glass or high molecular polymer, matrix material, preferably adopts printing, spraying toughened glass ink or performed polymer 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, 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, above support and sealed strip can be combined by described toughened glass ink and described superpolymer, also can be made separately by described toughened glass ink or described superpolymer.
Wherein, described toughened glass ink preferably transparent or translucent.
Wherein, described superpolymer is high molecular polymer, preferred heterogeneous chain polymer and elemento-organic polymer.
Wherein, described superpolymer preferably transparent or translucent polymkeric substance, as polyimide, polyacrylonitrile and organosilicon etc.
Wherein, described resistant to elevated temperatures superpolymer keeps shape invariance, the polymkeric substance of chemical transformation does not occur, as polymeric amide, polyimide, polyacrylonitrile and organosilicon etc. under referring to the temperature more than 160 DEG C.
Wherein, described high temperature refers to 160-460 DEG C, preferred 260-360 DEG C.
Wherein, described performed polymer refers to the polymkeric substance that a kind of molecular weight of the polymerization degree between monomer and final polymkeric substance is lower, preferably has certain viscosity and is suitable for printing, prints or the viscous body of mechanically spraying.
Wherein, catalyzer, linking agent or coupling agent etc. can be had in described performed polymer, mineral filler or metal-powder etc. can also be had, to promote the crosslinked of described performed polymer or increase described elastomeric elasticity, hardness and improve temperature tolerance and weldability etc.
Wherein, the viscous body that described performed polymer is formed through printing, printing or mechanically spraying, it keeps shape invariance, under external force shape to change under self gravitation.
Wherein, described automatic adaptation refers to that glass closes its height of described performed polymer be clipped between two sheet glass after sheet and can be compressed into the height of place vacuum layer, described automatic adaptation also can refer to glass close sheet after the described elastomerics be clipped between two sheet glass when at high temperature becoming elastomeric state its height under the gravity or the gravity of self of upper glass, compressed or be stretched to the height of place vacuum layer.
Wherein, described elastomerics refer to described performed polymer catalyzer or and temperature effect under its molecule crosslinked or cyclization and final polymkeric substance of high elastic coefficient of obtaining further.
Wherein, described high vacuum refers to that vacuum tightness is at 0.1-0.001Pa.
Wherein, described volatile gases refers to that described performed polymer is at the moisture, the catalyzer added or other small-molecule substance that are cross-linked or produce in cyclization process.
Wherein, described microwave oven is industrial microwave oven, has vacuum system; Comprise batch kiln and continuous furnace.
Wherein, described microwave oven at every turn can a sealing-in one piece of vacuum glass, also can sealing-in polylith vacuum glass, namely realizes the mass production of vacuum glass.
Wherein, described microwave oven can install auxiliary heating system additional; Auxiliary heating system can adopt the mode of resistive heating as nichrome wire, electrothermal tube, hot plate etc., or adopts the mode of circulating air heating, or in burner hearth, arranges the strong material of low temperature absorption microwave ability, as SiC, graphite etc.; After the burner hearth of microwave oven is heated to a basal temperature by auxiliary heating system, recycling microwave heating carries out local heating to solder;
Further, described boosting, 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:
Microwave joining sealing groove edge sealing of the present invention have the convex surface toughened vacuum glass of bleeding point on it periphery of glass and the periphery of bleeding point have sealed strip, there is sealing groove 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 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, 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, toughened glass ink and superpolymer are combined by the present invention, not only effectively can improve the height of upholder and sealed strip, and can keep the height of upholder and sealed strip, the present invention can adjust the viscosity of performed polymer easily by the molecular weight of adjustment performed polymer, thus utilizes printing, to print or the mode such as mechanically spraying realizes low-costly and in high volume, upholder and sealed strip are prepared in mechanize, automatization, the present invention is by performed polymer deformability at normal temperatures and elastomerics deformability at high temperature, make upholder and sealed strip automatically can adapt to the irregular change of vacuum layer height, eliminate the impact of toughened glass planeness, thus realize the effective support to toughened vacuum glass, make the scale operation of toughened vacuum glass become possibility, the present invention can make performed polymer solidify under specified requirements by selecting suitable catalyzer or temperature, sealed strip and upholder is not only made to be easy to make, be convenient to obtain relative high height, and upholder can be made to have suitable elasticity, greatly can reduce the stress that glass bears compared with rigid support thing, thus reduce the breakage rate of glass, the qualification rate improving vacuum glass and life-span, superpolymer has extremely low thermal conductivity, has higher sonic transmissions loss compared with rigid material compared with metallic substance, so the vacuum glass made with this upholder has better heat insulation and sound-proofing properties, high temperature required in vacuum glass edge sealing process and high vacuum, not only can make superpolymer complete volatile gases that is crosslinked but also that can get rid of contained by superpolymer, makes upholder and sealed strip can not emission gases again in the use procedure of vacuum glass, and high upholder can make that vacuum layer thickens, space is strengthened, be not only conducive to obtaining high vacuum, but also be conducive to keeping high vacuum, 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, utilize and add absorbing material in edge band frame or solder, microwave heating selectivity, local heating solder can be made, 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, toughened vacuum glass of the present invention, structure is simple, safe and reliable, convenient for production, with low cost, can mass, mechanization production, greatly can improve production efficiency and qualification rate, the reduction production cost of toughened vacuum glass.
Accompanying drawing explanation
Fig. 1 is the convex surface toughened vacuum glass structural representation having upholder of the present invention;
Fig. 2 is of the present invention pair of vacuum layer convex surface toughened vacuum glass structural representation.
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. intermediate glass, 10. seal gum, 11. product brands, 12 superpolymer.
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 1: see Fig. 1, two blocks of glass of toughened vacuum glass are toughened glass or semi-tempered glass, wherein one piece or low emissivity glass, its making method is as follows: first according to the shape of made vacuum glass and two pieces of flat glasss of size cutting desired size, 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, toughened glass ink is utilized to prepare sealed strip 5 by mechanical spraying technology at the periphery weld of upper glass 1 and the periphery of bleeding point 3, secondly two blocks of glass are respectively charged in two forming moulds, the forming mould that glass is housed is placed in annealing furnace, is warming up to the temperature of Glass Transition, rely on gravity to make the glass in forming mould form convex surface downwards, carry out wind-cooling reinforcing immediately, obtain tempering or semi-tempered glass, upholder is made up separately of superpolymer, and superpolymer is polyimide, first with pyromellitic acid dianhydride and aromatic diamines for raw material, in dimethyl sulfoxide (DMSO) equal solvent, preliminary polymerization becomes performed polymer, makes performed polymer have suitable viscosity by the adjustment polymerization degree, then on upper lower-glass, utilized by performed polymer the woven wire of tensioning or expanded metal lath to print upholder, make the top of upholder in one plane, to eliminate the impact of glass deformation on planeness, the lattice arrangement of upholder to be minimum unit be equilateral triangle, upholder is strip, the upholder of upper lower-glass is orthogonal, it is crosswise shape that upper lower-glass closes sheet rear support thing overlap, is prepared on the sealed strip 5 of the periphery weld of upper glass 1 and the periphery of bleeding point 3 by mechanical spraying technology by performed polymer simultaneously, 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 auxiliary heating system, first utilize auxiliary heating system as electric heater for heating, make basal temperature rise to 300 ~ 350 DEG C, the molecule of performed polymer cyclization gradually in the process, dehydrating and curing elastomer-forming, realize the powerful support to upper glass and lower-glass, low temperature glass solder 4 is heated to melt temperature 430 ~ 450 DEG C by recycling microwave heating, stops heating, with stove cooling, two blocks of glass hermetic weld together by low temperature glass solder 4, finally in bleeding point 3, load zinc alloy solder 7, send in vacuum oven, carry out vacuumizing and heating operation, be evacuated to below 0.1Pa, make the vacuum tightness that vacuum layer reaches required, elastomerics gets rid of the whole volatile gaseses contained by self gradually under high temperature, high vacuum simultaneously, in the use procedure of vacuum glass, phenomenon of deflation occurs to avoid elastomerics, be warming up to the melt temperature more than 380 DEG C of zinc alloy solder 7 again, zinc alloy solder 7 is fused into liquid retention in sealing groove 6, and sealed strip 5 also floods in a liquid, and liquid is by bleeding point self-sealing, stop heating, with stove cooling, zinc alloy solder 7 condenses into solid, realizes airtight sealing to bleeding point, opens vacuum oven, takes out vacuum glass.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.
Embodiment 2: see Fig. 2, the upper lower-glass of two vacuum layer toughened vacuum glass is toughened glass or semi-tempered glass, intermediate glass is low emissivity glass, its making method is as follows: first according to the shape of the vacuum glass 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, 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 corresponding position, and edging is carried out to three blocks of glass, chamfering, cleaning, drying treatment, secondly utilize toughened glass ink to spray at upper glass 1 and the lower surface periphery of intermediate glass 9 and the periphery of bleeding point 3 and corresponding position and prepare sealed strip 5, in the sealed strip of the wherein periphery of bleeding point 3 containing silver powder or/and aluminium powder etc., intermediate glass 9 is directly sent in annealing furnace and carries out tempering process, upper and lower two blocks of glass are loaded in mould, be warming up to the temperature 550 ~ 750 DEG C of Glass Transition, rely on the gravity of glass self or externally applied forces to make glass form convex surface downwards, and carry out tempering process immediately, then superpolymer 12 is made, superpolymer 12 is silicone elastomers, with METHYL TRICHLORO SILANE, phenyl-trichloro-silicane etc. for main raw material, add two functionality monomer such as dimethyldichlorosilane(DMCS), dichloromethyl phenylsilane, above-mentioned monomer is hydrolyzed in a solvent, polycondensation, eccysis byproduct hydrogen chloride, obtains still containing the resin liquid of a small amount of silicone hydroxyl, adds a small amount of catalyzer if cobalt naphthenate etc. is as performed polymer using this resin liquid, then by performed polymer by printing, to print or the mode of mechanically spraying is produced on toughened glass ink, performed polymer solidify to form certain intensity and hardness gradually subsequently, again fill low temperature glass solder 4 by the peripheral sealing groove 6 of intermediate glass 9 and lower-glass 2, and described three pieces of glass consistencies from top to bottom are stacked together, ensure that sealed strip 5 is corresponding with sealing groove 6, in feeding microwave oven, finally carry out the sealing of edge sealing and bleeding point 3, with embodiment 1, just brazing metal 7 changes magnesium alloy into.
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 microwave joining sealing groove edge sealing has the convex surface toughened vacuum glass of bleeding point, comprise glass and lower-glass, it is characterized in that: described upper glass and described lower-glass are convex surface toughened glass, described upper glass there is bleeding point, the periphery of described upper glass and described bleeding point has sealed strip, there is sealing groove 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, described sealed strip is made up of toughened glass ink and/or superpolymer, described superpolymer first makes performed polymer, again described performed polymer is prepared on described glass or described toughened glass ink after glass tempering, described performed polymer is solidified into elastomerics at ambient temperature or elevated temperature, described performed polymer or elastomerics can adapt to the change of described vacuum layer height automatically, and described elastomerics gets rid of the volatile gases contained by self under high temperature, high vacuum.
2. vacuum glass according to claim 1, it is characterized in that described vacuum glass can also comprise one block of intermediate glass, described intermediate glass is clipped between described upper glass and described lower-glass, described upper glass and described intermediate glass there is bleeding point, described bleeding point utilizes brazing metal self-closed in vacuum oven, and described upper glass and described lower-glass form two closed vacuum layer respectively with described intermediate glass.
3. toughened vacuum glass according to claim 1 and 2, is characterized in that the periphery of described upper glass and described bleeding point at least respectively has the periphery of a sealed strip, described lower-glass and the corresponding position of described bleeding point at least respectively to have a sealing groove.
4. toughened vacuum glass according to claim 1 and 2, it is characterized in that there is upholder in described vacuum layer, above support has one deck or two-layer; Above support is made up of toughened glass ink and/or superpolymer, described superpolymer first makes performed polymer, again described performed polymer is prepared on described glass or described toughened glass ink after glass tempering, described performed polymer is solidified into elastomerics at ambient temperature or elevated temperature, described performed polymer or elastomerics can adapt to the change of described vacuum layer height automatically, and described elastomerics gets rid of the volatile gases contained by self under high temperature, high vacuum.
5. the toughened vacuum glass according to claim 1 or 4, is characterized in that described performed polymer has certain viscosity to be suitable for printing, to print or liquid polymer that the molecular weight of mechanically spraying is lower.
6. the toughened vacuum glass according to any one of claim 1 to 5, it is characterized in that can having catalyzer, linking agent or coupling agent in described performed polymer, mineral filler or metal-powder can also be had, to promote the crosslinked of described performed polymer or increase elasticity, the hardness of above support and improve temperature tolerance.
7. the toughened vacuum glass according to claim 1 or 4, is characterized in that described elastomerics refers to described performed polymer at catalyzer or/and its molecule crosslinked or cyclization and final polymkeric substance of high elastic coefficient of obtaining further under the effect of temperature.
8. the toughened vacuum glass according to claim 1 or 4, it is characterized in that described automatic adaptation refers to that glass closes its height of described performed polymer be clipped between two sheet glass after sheet and can be compressed into the height of place vacuum layer, described automatic adaptation or refer to glass close sheet after the described elastomerics be clipped between two sheet glass when at high temperature becoming elastomeric state its height under the gravity or the gravity of self of upper glass, compressed or be stretched to the height of place vacuum layer.
9. the toughened vacuum glass according to claim 1 or 4, is characterized in that described volatile gases refers to that described performed polymer is at the moisture, the catalyzer added or other small-molecule substances that are cross-linked or produce in cyclization process.
10. the making method of the toughened vacuum glass described in any one of claim 1 to 9, is characterized in that comprising the following steps:
The first step, according to the shape of the 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 upper glass and the periphery of bleeding point, sealed strip can insert in corresponding sealing groove, upper lower-glass after process is loaded hot bending die, is placed in annealing furnace, be warming up to the temperature 550 ~ 750 DEG C of Glass Transition, rely on the gravity of glass self or externally applied forces to make glass form convex surface downwards, and carry out wind-cooling reinforcing process;
3rd step, selects suitable polymer monomer, first monomer whose is become the performed polymer of setting viscosity through preliminary polymerization, is then produced on toughened glass ink or upper lower-glass by performed polymer by printing, printing or the mode of mechanically spraying; Performed polymer can at room temperature be solidified into elastomerics, elastomerics by catalyzer in vacuum glass edge sealing process, be heated to the irregular change that elastomeric state adapts to vacuum layer height automatically before glass closes sheet; Performed polymer also automatically can adapt to after glass closes sheet vacuum layer height irregular change, again by hot setting elastomer-forming;
4th 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;
5th 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 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 microwave oven obtains double glazing;
6th 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 vacuum glass;
7th step, puts into seal gum in the bleeding point of vacuum glass, Paste Product trade mark or metal decorative sheet on seal gum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298796.9A CN104291638A (en) | 2013-07-17 | 2013-07-17 | Microwave-welded convex tempered vacuum glass edge-sealed with sealing groove and having vacuumizing hole |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298796.9A CN104291638A (en) | 2013-07-17 | 2013-07-17 | Microwave-welded convex tempered vacuum glass edge-sealed with sealing groove and having vacuumizing hole |
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| CN104291638A true CN104291638A (en) | 2015-01-21 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4198254A (en) * | 1976-11-26 | 1980-04-15 | Bfg Glassgroup | Vitreous sheets with synthetic polymer spacer and process for making the same |
| CN2544073Y (en) * | 2002-09-05 | 2003-04-09 | 京东方科技集团股份有限公司 | Air discharge hole closure device for high thermal-insulation sound-insulation glass |
| US20120321822A1 (en) * | 2009-11-27 | 2012-12-20 | Luoyang Landglass Technology Co., Ltd | Compound Sealing Method for Vacuum Glass |
| CN102951827A (en) * | 2012-10-06 | 2013-03-06 | 戴长虹 | Metal solder-microwave welded and groove-edge-sealed convex vacuum glass and manufacturing method thereof |
-
2013
- 2013-07-17 CN CN201310298796.9A patent/CN104291638A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4198254A (en) * | 1976-11-26 | 1980-04-15 | Bfg Glassgroup | Vitreous sheets with synthetic polymer spacer and process for making the same |
| CN2544073Y (en) * | 2002-09-05 | 2003-04-09 | 京东方科技集团股份有限公司 | Air discharge hole closure device for high thermal-insulation sound-insulation glass |
| US20120321822A1 (en) * | 2009-11-27 | 2012-12-20 | Luoyang Landglass Technology Co., Ltd | Compound Sealing Method for Vacuum Glass |
| CN102951827A (en) * | 2012-10-06 | 2013-03-06 | 戴长虹 | Metal solder-microwave welded and groove-edge-sealed convex vacuum glass and manufacturing method thereof |
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Application publication date: 20150121 |
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