CN104291702A - Planar tempered vacuum glass microwave-welded by using metal solder and edge-sealed by using bar frames and groove - Google Patents

Abstract

The invention relates to a planar tempered vacuum glass which is microwave-welded by using a metal solder and which is edge-sealed by using bar frames and a groove. The glass is characterized in that upper glass and lower glass are planar tempered glass. An edge-sealing bar frame is provided on the periphery of the upper glass; an edge-sealing bar frame and an edge-sealing groove are provided on the periphery of the lower glass; the peripheries of the upper glass and the lower glass are welded together by using a metal solder, such that a sealed vacuum layer is formed. One or two layers of supporters are provided in the vacuum layer. The edge-sealing bar frames and the supporters are composed of tempered glass ink and a high-polymer. The high-polymer is first prepared into a pre-polymer; when the glass is tempered, the pre-polymer is prepared on the tempered glass ink; and the pre-polymer is cured into elastomer under room temperature or high temperature. The pre-polymer or the elastomer can be automatically adapted to the changes of vacuum layer height. Volatile gases in the elastomer can be eliminated under high temperature and high vacuum. The method provided by the invention is suitable for mechanized and automated productions. With the method, mass production of tempered vacuum glass with high performance and low cost can be realized.

Description

The plane toughened vacuum glass of brazing metal microwave joining bar frame and groove edge sealing

Technical field

The present invention relates to the processing and manufacturing of vacuum glass, making method of especially a kind of toughened vacuum glass and products thereof.

Background technology

Vacuum glass is a kind of novel energy-saving and environmental protection product, can be widely used in the industrial or agricultural field such as buildings and car and boat door and window, glass curtain wall, solar product, agricultural greenhouse, refrigerator and refrigerator and resident's daily living article, be excellent heat insulation, sound insulation and finishing material.

Though vacuum glass is one of best energy-conserving product, but is never applied on a large scale for over ten years, its reason has be the complex manufacturing of existing vacuum glass, production cost high at three: one, and cause market value high, user is difficult to bear; Two is be difficult to mechanize, automatic production, and production capacity is low, is difficult to meet the requirement that user supplies in time; Three is to produce toughened vacuum glass, makes the range of application of vacuum glass restricted greatly.

Applicant of the present invention utilizes and arranges edge band frame at glass periphery weld and overcome main drawback in existing vacuum glass edge sealing technique in March, 2012 and application in October a series of are about the patent of vacuum glass, and propose the making method of toughened vacuum glass, but its weak point is that to utilize the edge band frame of toughened glass printing ink to manufacture to reach required its difficulty of height larger, its reason one is that glass is non-hygroscopic, be difficult to make higher edge band frame, two frames of edge band when being glass temperings at high temperature melt, it reduces highly further.

Summary of the invention

For prior art Problems existing, the object of the present invention is to provide a kind of toughened vacuum glass and preparation method thereof, not only manufacture craft is simple, cost is low for the method, production efficiency is high, and sealing-in is reliable, good sealing effect, utilize the method single stage method, in enormous quantities preparation can there is no the toughened vacuum glass of bleeding point.

In order to solve the problems of the technologies described above, the invention provides the plane toughened vacuum glass of a kind of brazing metal microwave joining bar frame and groove edge sealing, comprise glass and lower-glass, it is characterized in that described upper glass and described lower-glass are flat glasss, described upper glass and described lower-glass are common toughened glass or coated toughened glass, the periphery of described upper glass has edge band frame, the periphery of described lower-glass has edge band frame and edge sealing groove, the periphery of described upper glass and described lower-glass is utilized by brazing metal together with microwave joining, the vacuum layer that between described upper glass and described lower-glass, formation one is closed, upholder is had in described vacuum layer, above support has one deck or two-layer, described edge band frame and/or upholder are made up of toughened glass ink and/or superpolymer, described superpolymer first makes performed polymer, again described performed polymer is prepared on affiliated 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 a kind of making method of toughened vacuum glass, it comprises:

The first step, according to the shape of the vacuum glass of required making and two blocks of sheet glass of size cutting desired size, offers edge sealing groove at the periphery weld of lower-glass, and carries out edging, chamfering, cleaning, drying treatment;

Second step, with toughened glass ink for raw material, at the periphery weld of upper glass and lower-glass by printing, to print or the mode of mechanically spraying makes edge band frame or comprises transition layer, at least one block of glass makes upholder, and after ensureing upper and lower glass alignment, the edge band frame of upper glass can be embedded between the edge band frame of lower-glass, then after drying, is sent in annealing furnace by two blocks of glass and carries out tempering process under the same conditions;

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, edge band frame and edge sealing groove place are printed or metallize solder, or directly between the edge band frame of lower-glass, load brazing metal in edge sealing groove, and by described two blocks of glass forward consistency from top to bottom be stacked together, leave bleed-off passage between two glass, then send in microwave oven;

5th step, described microwave oven is vacuumized and heating operation, if microwave oven has auxiliary heating system, then after being first heated to a basal temperature by auxiliary heating system, be evacuated to below 0.1Pa, elastomerics gets rid of the whole volatile gaseses contained by self gradually in the process; Restart microwave heating, reach edge sealing temperature, brazing metal is fused into liquid, and under the effect of glass self gravitation, edge band frame and edge sealing groove are entrenched togather; Stop heating, with stove cooling, two blocks of glass hermetic weld together by brazing metal, and the fire door opening microwave oven obtains required toughened vacuum glass.

Wherein, the periphery in described upper glass solder face has an edge band frame at least, and the periphery of described lower-glass face of weld has an edge sealing groove and two edge band frames at least.

Wherein, described brazing metal comprises low melting point metal and solder, preferred tin or tin alloy, zinc or zinc alloy, magnesium or magnesium alloy, and its shape or form are paste, Powdered, thread or foil-like.

Wherein, transition layer is had between described brazing metal and glass or edge band frame, described transition layer has one deck, two-layer or multilayer, described transition layer primarily of glass powder, metal powder or other additive as compositions such as binding agents, as commercially available silver slurry or other metal paste or electric slurry etc.

Wherein, above support is printed on one block of glass, or is 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; When upholder is printed on two blocks of glass simultaneously, both can have toughened glass ink and superpolymer simultaneously, can one piece be also toughened glass ink, another block was superpolymer.

Wherein, absorbing material can be contained in described edge band frame, 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 edge band frame.

Wherein, above support and edge band frame through printing, to print or prepared by the mode of mechanically spraying.

Wherein, above support and edge band frame 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, above support and edge band frame make before glass tempering or after tempering.

Wherein, described upper glass and described lower-glass carry out tempering at identical conditions, make it have identical or close deformation quantity.

Wherein, forward stack when described upper glass and described lower-glass close sheet, its deformation is matched.

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 brazing metal.Described basic Heating temperature range preferably from 280 ~ 350 DEG C, described local heating temperature range preferably from 380 ~ 450 DEG C.

The invention has the beneficial effects as follows:

Toughened glass ink and superpolymer are combined by the present invention, not only effectively can improve the height of upholder and edge band frame, and can keep the height of upholder and edge band frame; 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 edge band frame 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 edge band frame 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, edge band frame 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 edge band frame 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; In addition, microwave heating glass surface can also be promoted to adsorb polar gas molecule as H ₂o, CO ₂with the desorb of CO etc., thus improve further the work-ing life of the vacuum tightness of vacuum glass and performance, prolongation vacuum 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 vacuum glass structural representation of the present invention;

Fig. 2 is of the present invention pair of vacuum layer toughened vacuum glass structural representation.

In figure: 1. go up glass, 2. lower-glass, 3. superpolymer, 4. toughened glass ink, 5. brazing metal, 6. intermediate glass.

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, toughened vacuum glass is made up of upper and lower two blocks of toughened glass or semi-tempered glass, wherein one piece or low emissivity glass, its making method is as follows: first according to one flat plate glass and one block of low emissivity glass of the shape of made vacuum glass and size cutting desired size, edge sealing groove is offered at the periphery weld of lower-glass, carry out edging, chamfering, membrane removal, cleaning, after drying, two blocks of glass utilize silk screen printing that toughened glass ink is made edge band frame, and on the edge band frame of upper glass, toughened glass silver slurry is printed as transition layer between two edge band frames of lower-glass, wherein go up glass and have an edge band frame, lower-glass has two edge band frames, the size of upper glazing gasket bar frame is between lower-glass two edge band frames, after upper lower-glass closes sheet, between two edge band frames that the edge band frame of upper glass can be embedded in lower-glass in edge sealing groove, secondly two blocks of glass are sent into annealing furnace, carried out tempering process at identical conditions, under high temperature action, toughened glass ink is together with glass sintering, carries out wind-cooling reinforcing immediately, obtains tempering or semi-tempered glass, prepare superpolymer simultaneously, 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, make performed polymer have suitable viscosity by the adjustment polymerization degree, then performed polymer is produced on lower-glass by printing, printing or the mode of mechanically spraying and forms upholder, again fill brazing metal as tin alloy by between two of lower-glass edge band frames, two pieces of glass consistencies from top to bottom are stacked together, reserve certain bleed-off passage, send in microwave oven, microwave oven has auxiliary heating system, and auxiliary heating parts is the warming plate containing Graphite Powder 99 or SiC, finally carry out vacuumizing and heating operation, first utilize the strong warming plate of wave-sucking performance, low emissivity glass or edge band frame, solder etc. that the temperature of burner hearth is risen to more than 290 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, then 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, now the wave-sucking performance of edge band frame and brazing metal strengthens gradually, edge sealing place is preferentially warming up to more than the melting temperature of brazing metal as 350 DEG C, brazing metal melts, between the edge band frame that the edge band frame of upper glass embeds lower-glass under gravity in edge sealing groove, the brazing metal of melting by two pieces of glass cementations together, stop heating, with stove cooling, two blocks of glass hermetic weld together by brazing metal, open fire door and obtain required toughened vacuum glass.

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 two blocks of sheet glass and one block of low emissivity glass of the shape of made vacuum glass and size cutting desired size, edge sealing groove is offered at the upper surface periphery weld of intermediate glass and lower-glass, carry out edging, chamfering, membrane removal, cleaning, after drying, the bonding surface of three blocks of glass utilize printing technology the toughened glass ink containing silver powder and aluminium powder is printed to edge band frame, upper lower-glass prints upholder simultaneously, wherein go up glass and have an edge band frame, the upper surface of intermediate glass has two edge band frame lower surfaces to have an edge band frame, lower-glass has two edge band frames, the size of edge band frame is above between the edge band frame of two below, after upper, middle and lower glass closes sheet, edge band frame above can be embedded between two edge band frames below in edge sealing groove, secondly will in upper and lower two blocks of glass feeding annealing furnace, high temperature action lower sealing edge bar frame with upholder together with glassy bond, carry out tempering immediately, obtain the tempering with edge band frame and upholder or semi-tempered glass, intermediate glass directly enters High Temperature Furnaces Heating Apparatus, by edge band frame sintering on intermediate glass, again make silicone elastomer, 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, obtain still containing the resin liquid of a small amount of silicone hydroxyl, add a small amount of catalyzer if cobalt naphthenate and metal powder are if Zinc alloy powder 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, low-temperature metal solder will be evenly loaded as zinc alloy in edge sealing groove between intermediate glass and two edge band frames of lower-glass, and three pieces of glass consistencies from top to bottom are stacked together, retain certain bleed-off passage, send in microwave oven, microwave oven has auxiliary heating system, and auxiliary heating body is electrothermal tube, finally carry out vacuumizing and heating operation, first utilize boosting that the basal temperature of burner hearth is risen to more than 310 DEG C, in the process the further polycondensation of the molecule of performed polymer completely, obtain the three-dimensional netted elastomerics that is cross-linked, realize the powerful support to upper glass and lower-glass, then 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, recycling microwave heating by more than the heating temperatures at edge sealing place to the melt temperature of brazing metal as 390 DEG C, edge band frame above embeds in edge sealing groove below under gravity, and the brazing metal of melting is by three pieces of glass cementations together, stop heating, with stove cooling, three blocks of glass hermetic weld together by brazing metal, open fire door and obtain required toughened vacuum glass.

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 will utilize this important information, and foregoing is revised, to 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 plane toughened vacuum glass of a brazing metal microwave joining bar frame and groove edge sealing, comprise glass and lower-glass, it is characterized in that described upper glass and described lower-glass are flat glasss, described upper glass and described lower-glass are common toughened glass or coated toughened glass, the periphery of described upper glass has edge band frame, the periphery of described lower-glass has edge band frame and edge sealing groove, the periphery of described upper glass and described lower-glass is utilized by brazing metal together with microwave joining, the vacuum layer that between described upper glass and described lower-glass, formation one is closed, upholder is had in described vacuum layer, above support has one deck or two-layer, described edge band frame and/or upholder are made up of toughened glass ink and/or superpolymer, described superpolymer first makes performed polymer, again described performed polymer is prepared on affiliated 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. toughened vacuum glass according to claim 1, it is characterized in that described toughened vacuum glass also comprises one block of intermediate glass, described intermediate glass is clipped between described upper glass and described lower-glass, 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 in described upper glass solder face has an edge band frame at least, and the periphery of described lower-glass face of weld has an edge sealing groove and two edge band frames at least.

4. toughened vacuum glass according to claim 1 and 2, is characterized in that above support and edge band frame make before glass tempering or after glass tempering.

5. plane toughened vacuum glass according to claim 1 and 2, 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. plane toughened vacuum glass according to claim 1, 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. plane toughened vacuum glass according to claim 1, 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.

8. plane toughened vacuum glass according to claim 1, is characterized in that described elastomerics refers to described performed polymer its molecule crosslinked or cyclization and final polymkeric substance of high elastic coefficient of obtaining further under the effect of catalyzer Huo and temperature.

9. plane toughened vacuum glass according to claim 1, 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 plane 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 blocks of sheet glass of size cutting desired size, offers edge sealing groove at the periphery weld of lower-glass, and carries out edging, chamfering, cleaning, drying treatment;

Second step, with toughened glass ink for raw material, at the periphery weld of upper glass and lower-glass by printing, to print or the mode of mechanically spraying makes edge band frame or comprises transition layer, at least one block of glass makes upholder, and after ensureing upper and lower glass alignment, the edge band frame of upper glass can be embedded between the edge band frame of lower-glass, then after drying, is sent in annealing furnace by two blocks of glass and carries out tempering process under the same conditions;

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, edge band frame and edge sealing groove place are printed or metallize solder, or directly between the edge band frame of lower-glass, load brazing metal in edge sealing groove, and by described two blocks of glass forward consistency from top to bottom be stacked together, leave bleed-off passage between two glass, then send in microwave oven;

5th step, described microwave oven is vacuumized and heating operation, if microwave oven has auxiliary heating system, then after being first heated to a basal temperature by auxiliary heating system, be evacuated to below 0.1Pa, elastomerics gets rid of the whole volatile gaseses contained by self gradually in the process; Restart microwave heating, reach edge sealing temperature, brazing metal is fused into liquid, and under the effect of glass self gravitation, edge band frame and edge sealing groove are entrenched togather; Stop heating, with stove cooling, two blocks of glass hermetic weld together by brazing metal, and the fire door opening microwave oven obtains required toughened vacuum glass.