CN203668208U - Vacuum glass adopting sealing grooves for edge sealing and opening sealing - Google Patents
Vacuum glass adopting sealing grooves for edge sealing and opening sealing Download PDFInfo
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- CN203668208U CN203668208U CN201320423129.4U CN201320423129U CN203668208U CN 203668208 U CN203668208 U CN 203668208U CN 201320423129 U CN201320423129 U CN 201320423129U CN 203668208 U CN203668208 U CN 203668208U
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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
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Abstract
Vacuum glass adopting sealing grooves for edge sealing and opening sealing comprises upper glass and lower glass which adopt convex glass or plain glass, wherein an air extraction opening is formed in the upper glass; sealing strips are arranged on the peripheries of the upper glass and the air extraction opening; sealing grooves are formed in the position, corresponding to the air extraction opening, of the periphery of the lower glass; the peripheries of the upper glass and the lower glass are welded by a glass welding flux or a microwave welding flux in an edge sealing furnace under the normal pressure; the air extraction opening is automatically sealed by a metal welding flux in a vacuum furnace; and a closed vacuum layer is formed between the upper glass and the lower glass; and the vacuum layer is free of supports, or supports are distributed in the vacuum layer in a dot matrix manner.
Description
Technical field
The utility model relates to glass deep process technology field, relates in particular to the vacuum glass of a kind of sealing groove edge sealing, sealing.
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 uses, 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, between two adjacent sheet glass, forms cavity, is provided with edge sealing structure at the periphery of glass, and cavity forms vacuum layer after being pumped into vacuum.Vacuum glass is according to the mode difference that forms 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, the cavity self-assembling formation vacuum layer of sealing between two adjacent sheet glass; Another kind is the vacuum glass that has bleeding point, the edge sealing of this vacuum glass carries out in High Temperature Furnaces Heating Apparatus under normal pressure, after edge sealing completes, by prefabricated bleeding point, the cavity sealing between glass is vacuumized again, finally, at the end rear enclosed bleeding point of bleeding, complete the making of vacuum glass.
The utility model applicant discloses a series of vacuum glass without bleeding point in the patent of the vacuum glass of in October, 2012 application, but in the time utilizing low temperature glass solder edge sealing, because low temperature glass solder is to be made up of many oxide, at high temperature, under vacuum, air and the moisture of scolder absorption, volatile substances in scolder, in the gas that scolder dissolves in process of production and scolder, decomposition of partial oxide etc. all can cause and in scolder, produce a large amount of bubbles, greatly weaken the especially resistance to air loss of properties of scolder, cause the feasibility of this kind of mode to be greatly affected.The vacuum glass of existing mass production is all the vacuum glass that has bleeding point, but exist, complex manufacturing technology, extraction temperature low (bleeding not thorough), monolithic vacuumize, cost is high, production capacity is low, can not make the shortcomings such as toughened vacuum glass.
Summary of the invention
Technical problem to be solved in the utility model is the defect being for existing bleeding point vacuum glass existence, the vacuum glass of a kind of sealing groove edge sealing, sealing is provided, the making method technique of this vacuum glass is simple, prepared vacuum glass and toughened vacuum glass can overcome deficiency of the prior art, resistance to air loss and the transparency of vacuum glass can be effectively guaranteed, and its intensity and heat insulation, sound-proofing properties can be increased.
In order to solve the problems of the technologies described above, the utility model provides a kind of sealing groove edge sealing, the vacuum glass of sealing, comprise upper glass and lower-glass, described upper glass and described lower-glass are convex glass or flat glass, on 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 welds together in normal pressure lower sealing edge stove by glass solder or microwave scolder, described bleeding point utilizes brazing metal self-closed in vacuum oven, between described upper glass and described lower-glass, form the vacuum layer of a sealing, in described vacuum layer not or have be dot matrix arrange upholder, above support has one deck or two-layer.
Wherein, toward the outer side, the high 0.1mm that is not less than of convex surface bow, is preferably 1 ~ 200mm, more preferably 3 ~ 10mm to the convex surface of described convex glass.
Wherein, the periphery of described upper glass or the periphery of bleeding point at least contain a sealed strip.
Wherein, a sealing groove is at least contained in the 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 an intermediate glass, described intermediate glass is clipped between described upper glass and described lower-glass, on 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 respectively the vacuum layer of two sealings with described intermediate glass.
Wherein, described upper glass, described intermediate glass and described lower-glass are simple glass or toughened glass or semi-tempered glass.
Wherein, described upper glass, described intermediate glass and described lower-glass are simple glass or coated glass or Low-E glass.
Wherein, described microwave scolder is by adding absorbing material to make in commercially available common solder, and described absorbing material is in microwave field, to have the powdered material generating heat compared with strong absorption microwave ability, as BaO, ZnO, SiC and carbon powder etc.
Wherein, in described sealed strip, can contain absorbing material, described absorbing material has the ability of generating heat compared with strong absorption microwave, as BaO, ZnO, SiC and carbon black etc.
Wherein, in described sealed strip, can contain metal-powder as silver powder, aluminium powder, magnesium alloy powder etc.
Wherein, above support and sealed strip are prepared through the mode of printing, printing or mechanically spraying.
Wherein, above support and sealed strip can be combined by toughened glass ink and superpolymer, also can be made separately by toughened glass ink or superpolymer.
Wherein, described upper glass and described lower-glass carry out tempering under identical condition, make it have identical or close deformation quantity.
Wherein, described upper glass and described lower-glass forward stack while closing sheet, and its deformation is matched.
Wherein, described sealed strip also can adopt the modes such as printing, printing or mechanically spraying cryogenic glass powder or metal paste to prepare.
Wherein, described sealed strip and upholder are prepared before glass tempering or after tempering.
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 scolder 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 when brazing metal fusing, the low temperature glass solder of edge sealing remains unchanged.
Further, described brazing metal be shaped as powdery, strip, sheet or bulk, ring-type, tubulose etc.
Wherein, in the vacuum layer of described convex surface vacuum glass not or have a small amount of upholder, convex surface vacuum glass mainly to rely 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, sprayed glass ink or polymkeric substance preparation.
Wherein, described edge sealing stove can once heat one to several piece vacuum glass.
Wherein, described edge sealing stove is normal reheating furnace or microwave oven.
Further, described edge sealing stove has basic heating system and local heating system in the time of heating toughened glass, basis heating system can adopt the mode of Hot-blast Heating or resistive heating as nichrome wire, electrothermal tube, hot plate etc., and local heating system can adopt the modes such as resistive heating, infrared heating, LASER HEATING, Electromagnetic Heating, microwave heating;
Further, the heating of described basis, is that burner hearth or bulk glass are heated to a lower temperature, as 300 ~ 350 ℃, can not cause toughened glass obviously to be annealed;
Further, described local heating, is that scolder or glass periphery are heated to a higher temperature, as 400 ~ 450 ℃, prevents the obviously annealing of toughened glass entirety;
Wherein, described in vacuumize and bleeding point sealing, can in vacuum oven, carry out in batches, also can implement by monolithic; Can entirety 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 microwave heating and other suitable heating unit or heater means.
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.
The beneficial effects of the utility model:
Sealing groove edge sealing of the present utility model, the periphery of its upper glass of vacuum glass and the periphery of bleeding point of sealing have sealed strip, there is sealing groove the periphery of lower-glass and the corresponding position of bleeding point, make edge sealing and the sealing of vacuum glass easier, more reliable, even the chimeric sealing effectiveness of vacuum glass in the situation that of glass deformation that guaranteed of sealed strip and sealing groove, between sealed strip and upper glass, there is the bonding strength higher than low temperature welding glass, chimeric sealing surface area and the airtight layer thickness having increased between upper lower-glass of sealed strip and sealing groove, chimeric automatic-sealed and the mass sealing that has realized bleeding point of sealed strip and sealing groove, under normal pressure, under low temperature glass solder edge sealing and vacuum, brazing metal seals the airtight integrity problem that has solved scolder, increase the tightness of vacuum layer between upper and lower glass, improved the life-span of vacuum glass, greatly improved vacuum glass productivity and qualification rate, reduced the production cost of vacuum glass.
Accompanying drawing explanation
Fig. 1 is the convex surface vacuum glass structural representation that has upholder;
Fig. 2 is convex surface vacuum glass structural representation;
Fig. 3 is area vacuum glass structure schematic diagram;
Fig. 4 is the convex surface vacuum glass structural representation of two vacuum layer;
Fig. 5 is the area vacuum glass structure schematic diagram of two vacuum layer.
In figure: 1. upper 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.
Embodiment
Below adopt embodiment and accompanying drawing to describe embodiment of the present utility model in detail, to the utility model, how utilisation technology means solve technical problem whereby, and the implementation procedure of reaching technique effect can fully understand and implement according to this.
Embodiment 1: referring to Fig. 1, vacuum glass is made up of upper glass 1 and lower-glass 2, and the periphery of two blocks of glass welds together by low temperature glass solder 4, centre is vacuum layer.Its making method is as follows: first according to two flat glasss of the shape of made vacuum glass and size cutting desired size, boring a through hole at the edge of upper glass 1 is bleeding point 3, offer sealing groove 6 at the periphery of lower-glass 2 and the corresponding position of bleeding point 3, and carry out edging, chamfering and cleaning, dry, utilize mechanically spraying technology to prepare sealed strip 5 at the periphery weld of upper glass 1 and the periphery of bleeding point 3, and with point gum machine at upper and lower glass preparation upholder 8; Secondly upper and lower two blocks of glass are packed into mould, are placed in bending furnace, be warming up to the softening temperature 550-750 ℃ of glass, rely on the gravity of glass self to make glass form convex surface downwards, be down to room temperature with stove, and make upholder 8 in same level height by plane lapping method; Again low temperature glass solder 4 will be evenly coated with in the sealing groove 6 of lower-glass 2 peripheries, and two glass consistencies from top to bottom are stacked together, send in edge sealing stove, be warming up to the melt temperature of low temperature glass solder 4 more than 450 ℃, stop heating, lower the temperature with stove, low temperature glass solder 4 hermetic welds together two blocks of glass; Finally in bleeding point 3, pack metallic zinc scolder 7 into, send in vacuum oven, vacuumize and heating operation, the melt temperature that be evacuated to below 0.1Pa, is warming up to metallic zinc scolder 7 is more than 420 ℃, metallic zinc scolder 7 is fused into liquid retention in sealing groove 6, sealed strip 5 is also submerged in liquid, and liquid is by bleeding point self-sealing; Stop heating, lower the temperature with stove, metallic zinc scolder 7 condenses into solid, and bleeding point is realized to airtight sealing, opens vacuum oven, takes out vacuum glass.In bleeding point, put into while hot seal gum 10 as butyl rubber, above seal gum 10, cover product brand 11, the upper surface flush of trade mark 11 and upper glass 1.
Embodiment 2: referring to Fig. 2, vacuum glass is made up of upper glass 1 and lower-glass 2, two blocks of glass are toughened glass or semi-tempered glass, wherein one or low emissivity glass, its making method is as follows: first according to a flat glass and a low emissivity glass of the shape of made vacuum glass and size cutting desired size, selecting low emissivity glass is lower-glass 2, boring a through hole at the edge of upper glass 1 is bleeding point 3, offer sealing groove 6 at the periphery of lower-glass 2 and the corresponding position of bleeding point 3, and carry out edging, chamfering and cleaning, dry, utilize screen printing technique to print sealed strip 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, this forming mould has mold and bed die (being formpiston and former), glass clamp is between mold and bed die, and can exert pressure and make upper and lower mould closure, the forming mould that glass is housed is warming up to the softening temperature 650-700 ℃ of glass, the pressure that dependence puts on forming mould makes the glass in forming mould form convex surface, removes immediately mold and carries out wind-cooling reinforcing, obtains tempering or semi-tempered glass, again by interior the sealing groove 6 of lower-glass 2 peripheries even coating low temperature glass solder 4, and two glass consistencies from top to bottom are stacked together, send in edge sealing stove, edge sealing stove and accessory has basic heating system and local heating system, first utilize basic heating system as electric heater for heating, make basal temperature rise to 300 ~ 350 ℃, recycling local heating system is heated to 430 ~ 450 ℃ of melt temperatures by low temperature glass solder as far infra-red heater, and the low temperature glass solder 4 of melting by two glass cementations together, stop heating, lower the temperature with stove, low temperature glass solder 4 hermetic welds together two blocks of glass, finally carry out the sealing of bleeding point 3, with embodiment 1, just brazing metal 7 changes metallic tin into.
Embodiment 3: referring to Fig. 3, vacuum glass is made up of upper glass 1 and lower-glass 2, two blocks of glass are toughened glass or semi-tempered glass, wherein one or low emissivity glass, its making method is as follows: first according to a flat glass and a low emissivity glass of the shape of made vacuum glass and size cutting desired size, selecting low emissivity glass is lower-glass 2, boring a through hole at the edge of upper glass 1 is bleeding point 3, offer sealing groove 6 at the periphery of lower-glass 2 and the corresponding position of bleeding point 3, and carry out edging, chamfering and cleaning, dry, utilize screen printing technique print sealed strip and print upholder 8 simultaneously at the periphery weld of upper glass 1 and the periphery of bleeding point 3, secondly two blocks of glass are sent in annealing furnace and carried out wind-cooling reinforcing, obtain tempering or semi-tempered glass, again by interior the sealing groove 6 of the lower-glass 2 peripheries low temperature glass solder 4 that evenly fills, and two glass consistencies from top to bottom are stacked together, send in edge sealing stove, edge sealing stove is microwave oven, and there is circulating air heating system, first start the circulating air heating system of microwave oven, the basal temperature of microwave oven is risen to after 300 ℃, restart microwave heating system the low temperature glass solder in sealing groove 64 is heated to melt temperature more than 420 ℃, the sealed strip 5 of upper glass 1 embeds in the sealing groove 6 of lower-glass 2 under the effect of gravity, the low temperature glass solder 4 of melting by two glass cementations together, stop heating, lower the temperature with stove, low temperature glass solder 4 hermetic welds together two blocks of glass, finally carry out the sealing of bleeding point 3, with embodiment 1, just brazing metal 7 changes zinc alloy into.
Embodiment 4: referring to Fig. 4, vacuum glass is made up of upper convex glass 1, intermediate glass 9 and lower convex glass 2.Its making method is as follows: first according to three flat glasss of the shape of the vacuum glass of required making and size cutting desired size, on upper glass 1 and intermediate glass 9, bore respectively a through hole and form bleeding point 3, wherein the through hole on upper glass 1 is greater than the through hole on intermediate glass 9, offer sealing groove 6 at the upper surface periphery of intermediate glass 9 and lower-glass 2 and the periphery of bleeding point 3 and corresponding position, and three blocks of glass are carried out to edging, chamfering, cleaning, drying treatment; Secondly prepare sealed strip 5 at the lower surface periphery of upper glass 1 and intermediate glass 9 and the periphery of bleeding point 3 and corresponding position spraying, intermediate glass 9 is directly sent into and in annealing furnace, carried out tempering processing, upper and lower two blocks of glass are packed in mould, be warming up to 550~750 ℃ of the softening temperature of glass, rely on gravity or the externally applied forces of glass self to make glass form convex surface downwards, and carry out tempering processing immediately; Again will in the peripheral sealing groove 6 of intermediate glass 9 and lower-glass 2, fill low temperature glass solder 4, and described three glass consistencies from top to bottom are stacked together, guarantee that sealed strip 5 is corresponding with sealing groove 6, send in edge sealing stove; Finally carry out the sealing of edge sealing and bleeding point 3, with embodiment 2, just brazing metal 7 changes magnesium alloy into.
Embodiment 5: referring to Fig. 5, vacuum glass is by upper glass 1, intermediate glass 9 and lower-glass 2 form, in three blocks of glass, at least go up, lower-glass is toughened glass or semi-tempered glass, wherein lower-glass 2 or and intermediate glass 9 or low emissivity glass, its making method is as follows: first according to three flat glasss of the shape of the vacuum glass of required making and size cutting desired size, on upper glass 1 and intermediate glass 9, bore respectively a through hole and form bleeding point 3, wherein the through hole on upper glass 1 is greater than the through hole on intermediate glass 9, offer sealing groove 6 at the upper surface periphery of intermediate glass 9 and lower-glass 2 and the periphery of bleeding point 3 and corresponding position, and three blocks of glass are carried out to edging, chamfering, clean, drying treatment, secondly print and prepare sealed strip 5 in the lower surface periphery of upper glass 1 and intermediate glass 9 and the periphery of bleeding point 3 and corresponding position, on the lower surface of upper glass 1 and the upper surface of lower-glass 2, print and prepare upholder 8, sealed strip 5 to intermediate glass 9 carries out high temperature sintering, and two blocks of upper and lower glass are carried out to tempering processing, again respectively upper and lower upholder 8 on glass is machined to same level height by the method for mechanical workout, to in the sealing groove of intermediate glass 9 and lower-glass 2 peripheries, evenly fill low temperature glass solder, and three glass consistencies from top to bottom are stacked together, send in edge sealing stove, finally carry out the sealing of edge sealing and bleeding point 3, with embodiment 3, just brazing metal 7 changes tin alloy into.
All above-mentioned these intellecture properties of primary enforcement, do not set restriction this product innovation of other forms of enforcement and/or novel method.The modification of those skilled in the art based on foregoing, can realize similar implementation status.But all modifications or transformation belong to the right of reservation based on the utility model product innovation.
The above, it is only preferred embodiment of the present utility model, be not the restriction of the utility model 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 embodiment of equivalent variations.But every technical solutions of the utility model content that do not depart from, any simple modification, equivalent variations and the remodeling above embodiment done according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.
Claims (1)
1. a sealing groove edge sealing, the vacuum glass of sealing, comprise upper glass and lower-glass, it is characterized in that: described upper glass and described lower-glass are convex glass or flat glass, described upper glass and described lower-glass are simple glass or toughened glass or semi-tempered glass, on 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 welds together in normal pressure lower sealing edge stove by glass solder, described bleeding point utilizes brazing metal self-closed in vacuum oven, between described upper glass and described lower-glass, form the vacuum layer of a sealing.
2. vacuum glass according to claim 1, it is characterized in that described vacuum glass can also comprise an intermediate glass, described intermediate glass is clipped between described upper glass and described lower-glass, on 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 respectively the vacuum layer of two sealings with described intermediate glass.
3. vacuum glass according to claim 1 and 2, is characterized in that the periphery of described upper glass or the periphery of bleeding point at least contain a sealed strip, the periphery of described lower-glass or the corresponding position of bleeding point and at least contain a sealing groove.
4. vacuum glass according to claim 1 and 2, is characterized in that described upper glass and described lower-glass carry out tempering under identical condition, make it have identical or close deformation quantity.
5. vacuum glass according to claim 1 and 2, is characterized in that described sealed strip adopts the mode of printing, printing or mechanically spraying cryogenic glass powder or glass ink or metal paste or superpolymer to prepare.
6. vacuum glass according to claim 1 and 2, is characterized in that having and being the upholder that dot matrix is arranged in described vacuum layer, and above support has one deck or two-layer.
7. vacuum glass according to claim 1 and 2, is characterized in that the internal surface paint metals slurry of the sealing groove of described lower-glass bleeding point corresponding position.
8. vacuum glass according to claim 1 and 2, is characterized in that described edge sealing stove is normal reheating furnace or microwave oven.
9. vacuum glass according to claim 1 and 2, is characterized in that described edge sealing stove and accessory has basic heating system and local heating system.
Priority Applications (1)
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CN201320423129.4U CN203668208U (en) | 2013-07-17 | 2013-07-17 | Vacuum glass adopting sealing grooves for edge sealing and opening sealing |
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CN201320423129.4U CN203668208U (en) | 2013-07-17 | 2013-07-17 | Vacuum glass adopting sealing grooves for edge sealing and opening sealing |
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CN201320423129.4U Expired - Fee Related CN203668208U (en) | 2013-07-17 | 2013-07-17 | Vacuum glass adopting sealing grooves for edge sealing and opening sealing |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20150717 |
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