CN104291709A - Convex tempered vacuum glass welded by metal solder and edge-sealed through groove - Google Patents
Convex tempered vacuum glass welded by metal solder and edge-sealed through groove Download PDFInfo
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- CN104291709A CN104291709A CN201310298889.1A CN201310298889A CN104291709A CN 104291709 A CN104291709 A CN 104291709A CN 201310298889 A CN201310298889 A CN 201310298889A CN 104291709 A CN104291709 A CN 104291709A
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- glass
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- performed polymer
- edge sealing
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
- C03C27/06—Joining glass to glass by processes other than fusing
- C03C27/08—Joining glass to glass by processes other than fusing with the aid of intervening metal
Abstract
A convex tempered vacuum glass welded by a metal solder and edge-sealed through a groove is characterized in that an upper glass and a lower glass are convex glasses. Welding periphery of the upper glass is provided with an edge-sealed bar frame and the welding periphery of the lower glass is provided with an edge-sealed groove. Peripheries of the upper glass and the lower glass are welded to each other through a low-temperature metal solder. A sealed vacuum layer is formed between the upper glass and the lower glass. The edge-sealed bar frames are 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 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. The method is easy to mechanize and automate and can be used for manufacturing the tempered vacuum glass with high performance and low cost in large scale.
Description
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 a kind of toughened vacuum glass, it comprises glass, lower-glass, described upper glass and described lower-glass are convex glasses, 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 sealing groove, the periphery of described upper glass and described lower-glass is welded together by low-temperature metal solder, the vacuum layer that between described upper glass and described lower-glass, formation one is closed; Described edge band frame 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 a kind of making method of toughened vacuum glass, it comprises:
The first step, according to the shape of the toughened 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 and drying treatment to upper and lower two blocks of glass;
Second step, with toughened glass ink for raw material, at the spraying of periphery weld or the printing edge band frame of upper glass, or the weld being included in lower-glass makes transition layer and enables the edge band frame of glass be embedded in the edge sealing groove of lower-glass; Then the glass after processing two pieces loads mould, puts into annealing furnace, is warming up to the temperature 550 ~ 750 DEG C of Glass Transition, relies on the gravity of glass self or externally applied forces to make glass form convex surface downwards, and carries out tempering process immediately;
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 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, prints or spraying solder at edge band frame and edge sealing groove place, or directly in edge sealing groove, loads solder, and be stacked together by described two pieces of glass consistencies from top to bottom, leave bleed-off passage between two glass, then sends in vacuum edge sealing stove;
5th step, vacuumizes and heating operation described vacuum edge sealing stove, and first by after basic heating system heats to basal temperature, be evacuated to below 0.1Pa, elastomerics gets rid of the whole volatile gaseses contained by self gradually in the process; Restart hot spot system, after reaching edge sealing temperature, solder 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 solder, and the fire door opening vacuum edge sealing stove obtains required toughened vacuum glass.
Wherein, described toughened vacuum glass can also comprise one block of intermediate glass, described intermediate glass is flat glass, and 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.
Wherein, the convex surface bow of upper and lower two blocks of convex glasses of described toughened vacuum glass is high is preferably 0.1 ~ 200mm, more preferably 1 ~ 20mm, is advisable not protrude from outside sash as during windowpane.
Wherein, the periphery of described upper glass is at least containing an edge band frame, and the periphery of described lower-glass is at least containing an edge sealing groove, and described edge band frame is inserted in edge sealing groove.
Wherein, can containing a small amount of upholder in described vacuum layer, upholder has one deck or two-layer.
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, make upholder toughened glass ink preferably transparent or translucent.
Wherein, described superpolymer is high molecular polymer, preferred heterogeneous chain polymer and elemento-organic polymer.
Wherein, the superpolymer preferably transparent of upholder or translucent polymkeric substance is made, 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 solder is brazing metal, and 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, and described transition layer forms primarily of glass powder, metal powder, resin or other additive, as commercially available silver slurry or other metal paste or electric slurry etc.
Wherein, described vacuum edge sealing stove is normal reheating furnace, by electric heating element heat temperature raising, comprises batch kiln and continuous furnace.
Wherein, described vacuum edge sealing stove can a sealing-in one piece of vacuum glass at every turn, also can sealing-in polylith vacuum glass, namely realizes the mass production of vacuum glass.
Wherein, described vacuum edge sealing stove and accessory has basic heating system and hot spot system, basis 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, by vacuum edge sealing furnace interior and glass heats to basal temperature; Recycling hot spot system carries out local heating as modes such as resistive heating, infrared heating, LASER HEATING, Electromagnetic Heating, microwave heatings to the periphery of glass and edge sealing position, reaches the object at short notice brazing metal being heated to melting.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:
The upper glass of convex surface toughened vacuum glass of the present invention and lower-glass utilize the convex shape of glass to resist normal atmosphere, convex configuration, and make glass have higher ultimate compression strength and bending strength, the resisting wind press capacity of vacuum glass is better; Convex configuration, makes vacuum layer have larger space, and the life-span of vacuum state, vacuum glass more can be kept for a long time longer, even if lose vacuum, its performance is also better than general double glazing.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, 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; 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 convex surface toughened vacuum glass structural representation of the present invention;
Fig. 2 is the convex surface toughened vacuum glass structural representation of of the present invention pair of vacuum layer.
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, 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 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, and carry out edging, chamfering and cleaning, dry, upper glass utilize silk screen toughened glass ink is printed to edge band frame, and on the edge band frame of upper glass, toughened glass silver slurry is printed as transition layer in the edge sealing groove of lower-glass, wherein go up glass and have an edge band frame, lower-glass has an edge sealing groove, after upper lower-glass closes sheet, the edge band frame of upper glass can be embedded in the edge sealing groove of lower-glass, 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, and it is crosswise shape that upper lower-glass closes sheet rear support thing overlap, again by even spread low-temperature metal solder in the edge sealing groove of lower-glass as tin alloy, low-temperature metal solder evenly leaves several aspirating hole, and two pieces of glass consistencies from top to bottom are stacked together, send in vacuum edge sealing stove, vacuum edge sealing stove and accessory has basic heating system and hot spot system, finally carry out heating and vacuum pumping, first utilize basic heating system as electric heater for heating, make basal temperature rise to more than 300 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, low-temperature metal solder is heated to melt temperature more than 360 DEG C by recycling hot spot system such as far infra-red heater, and aspirating hole disappears, and the low-temperature metal solder of melting by two pieces of glass cementations together, stop heating, with stove cooling, two blocks of glass hermetic weld together by low-temperature metal solder, 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, and carry out edging, chamfering and cleaning, dry, utilize printing technology that toughened glass ink is printed to edge band frame at the lower surface periphery of upper glass and intermediate glass, and on edge band frame and in edge sealing groove, print toughened glass silver slurry as transition layer, wherein go up glass and have an edge band frame, the upper surface of intermediate glass has an edge band frame lower surface to have an edge sealing groove, lower-glass has an edge sealing groove, after upper, middle and lower glass closes sheet, edge band frame above can be embedded in edge sealing groove below, secondly upper and lower two blocks of glass are respectively charged in two forming moulds, glass clamp is between mold and bed die, the forming mould that glass is housed is placed in annealing furnace, be warming up to the temperature of Glass Transition, the pressure put on forming mould is relied on to make the glass in forming mould form convex surface, remove mold immediately and carry out wind-cooling reinforcing, obtaining tempering 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, then will evenly load brazing metal in the edge sealing groove of intermediate glass and lower-glass as zinc alloy, and three pieces of glass consistencies from top to bottom are stacked together, retain certain bleed-off passage, send in vacuum edge sealing stove, finally carry out heating and vacuum pumping, basic heating system such as circulating air is first utilized to heat, make basal temperature rise to more than 300 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, low-temperature metal solder is heated to melt temperature more than 380 DEG C by recycling hot spot system such as electrothermal tube, and the low-temperature metal solder of melting by glass cementation together, stop heating, with stove cooling, three blocks of glass hermetic weld together by low-temperature metal solder, 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 convex surface toughened vacuum glass of brazing metal welding, groove edge sealing, it is characterized in that comprising glass, lower-glass, described upper glass and described lower-glass are convex glasses, 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 sealing groove, the periphery of described upper glass and described lower-glass is welded together by brazing metal, the vacuum layer that between described upper glass and described lower-glass, formation one is closed; Described edge band frame 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. 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 flat 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, it is characterized in that the periphery in described upper glass solder face has an edge band frame at least, the periphery of described lower-glass face of weld has an edge sealing groove at least.
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 toughened 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 and drying treatment to upper and lower two blocks of glass;
Second step, with toughened glass ink for raw material, at the spraying of periphery weld or the printing edge band frame of upper glass, or the weld being included in lower-glass makes transition layer, and enables the edge band frame of glass be embedded in the edge sealing groove of lower-glass; Then the glass after processing two pieces loads mould, puts into annealing furnace, is warming up to the temperature 550 ~ 750 DEG C of Glass Transition, relies on the gravity of glass self or externally applied forces to make glass form convex surface downwards, and carries out tempering process immediately;
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 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 toughened 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, prints or spraying solder at edge band frame and edge sealing groove place, or directly in edge sealing groove, loads solder, and be stacked together by described two pieces of glass consistencies from top to bottom, leave bleed-off passage between two glass, then sends in vacuum edge sealing stove;
5th step, vacuumizes and heating operation described vacuum edge sealing stove, and first by after basic heating system heats to basal temperature, be evacuated to below 0.1Pa, elastomerics gets rid of the whole volatile gaseses contained by self gradually in the process; Restart hot spot system, after reaching edge sealing temperature, solder 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 solder, and the fire door opening vacuum edge sealing stove obtains required toughened vacuum glass.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298889.1A CN104291709A (en) | 2013-07-17 | 2013-07-17 | Convex tempered vacuum glass welded by metal solder and edge-sealed through groove |
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| CN201310298889.1A CN104291709A (en) | 2013-07-17 | 2013-07-17 | Convex tempered vacuum glass welded by metal solder and edge-sealed through groove |
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| US4198254A (en) * | 1976-11-26 | 1980-04-15 | Bfg Glassgroup | Vitreous sheets with synthetic polymer spacer and process for making the same |
| EP0283971A2 (en) * | 1987-03-25 | 1988-09-28 | Ppg Industries, Inc. | Improved multiple pane unit having a flexible spacing and sealing assembly |
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Application publication date: 20150121 |
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| WW01 | Invention patent application withdrawn after publication |