CN102951793A - Tempered and semi-tempered vacuum glass and manufacturing method thereof - Google Patents
Tempered and semi-tempered vacuum glass and manufacturing method thereof Download PDFInfo
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- CN102951793A CN102951793A CN201210075619XA CN201210075619A CN102951793A CN 102951793 A CN102951793 A CN 102951793A CN 201210075619X A CN201210075619X A CN 201210075619XA CN 201210075619 A CN201210075619 A CN 201210075619A CN 102951793 A CN102951793 A CN 102951793A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Abstract
The invention provides tempered and semi-tempered vacuum glass. The glass comprises upper glass and lower glass, wherein the upper and lower glass are flat tempered and semi-tempered glass; edge sealing strip frames are arranged on the peripheries of the welding surfaces of the upper and lower glass; the peripheries of the upper and lower glass are welded together through low-temperature solders; and a closed vacuum layer is formed between the upper glass and the lower glass and is internally provided with supports which are arranged in a lattice manner. A manufacturing method of the vacuum glass provided by the invention is simple in process; and the manufactured tempered vacuum glass can overcome the defects in the prior art and can be subjected to mass production.
Description
Technical field
The invention belongs to vacuum glass and make field, especially a kind of tempering, half tempered vacuum glass and manufacture method thereof.
Background technology
At present, the general manufacture method of vacuum glass is at first to place to be the small upholder that dot matrix is arranged between upper sheet glass and lower sheet glass, then weld together being about 450 ℃ low melting glass scolder with temperature of fusion around upper sheet glass and the lower sheet glass, finally by the bleeding point of reserving the enclosed space between two blocks of glass is evacuated, the sealing bleeding point can form the vacuum glass product.But above-mentioned technique can not be used for adopting former of toughened glass to make toughened vacuum glass, its reason one is that toughened glass produces distortion inevitably in toughening process, it is crooked that bow camber and waveform appear, and the supporter of fixed thickness can not adapt to the invar glass deformation and the random variation in the two sheet glass gaps of causing, supporter can't evenly carry barometric point, even can't locate and move, stressed irregular and destroy at the barometric point lower-glass; The 2nd, in adding in the hot edge seal process of production vacuum glass, excess Temperature, overlong time cause the toughened glass surface stress to relax even disappearance, and intensity significantly descends, and makes toughened glass lose the tempering quality, thereby reduces its security protection performance.Therefore, it is very large that toughened glass is directly made the vacuum glass difficulty, there is no at present the successful example of batch production.But most of modern architecture and insulation can all require to use shatter proof glass, and tempering, semi-tempered glass are the important class of shatter proof glass.Therefore because oneself has and can not make tempering, half tempered vacuum glass in the technology, so that the use range of vacuum glass is very restricted.
Summary of the invention
Technical problem to be solved by this invention is the defective that is for existing vacuum glass existence, a kind of novel toughened vacuum glass and preparation method thereof is provided, the making method technique of this vacuum glass is simple, prepared toughened vacuum glass can overcome deficiency of the prior art, can produce the tempering intensity that keeps to greatest extent toughened glass in the hot edge seal process that adds of vacuum glass, thereby produce tempering, half tempered vacuum glass.And can realize mass production, increase substantially production efficiency and reduce production costs.The present invention also can enhance productivity and save energy greatly as being used for the conventional vacuum glass production.
In order to solve the problems of the technologies described above, the invention provides a kind of tempering, half tempered vacuum glass, it comprises: upper glass, lower-glass, described upper glass and described lower-glass are dull and stereotyped tempering, semi-tempered glass, the periphery of the face of weld of described upper glass and described lower-glass all has the edge band frame, the periphery of described upper glass and described lower-glass welds together by solder, form the vacuum layer of a sealing between described upper glass and the described lower-glass, have in the described vacuum layer to be the upholder that dot matrix is arranged.
In order to solve the problems of the technologies described above, the invention provides the preparation method of above-mentioned tempering, half tempered vacuum glass, when the material of upholder was cryogenic glass powder, it comprised:
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, and is carried out edging, chamfering, cleans, drying treatment;
Second step, the face of weld of the glass after processing utilizes mould printing technology and cryogenic glass powder to prepare edge band frame and upholder, and after guaranteeing 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, in annealing furnace it being carried out tempering processes;
The 3rd step, the upholder on glass that second step is obtained carries out mechanical workout, make its top be positioned at the plane that sets, the solder of packing between the edge band frame of glass, and described two glass consistencies from top to bottom are stacked together, leave the exhaust-duct between two glass, then send in the vacuum edge sealing stove;
The 4th step, to described vacuum edge sealing sole vacuumize, limit heating, be evacuated to 0.1Pa following, be warming up to more than the melt temperature of solder, reach the edge sealing temperature; Solder is melted into liquid, and under the effect of glass self gravitation, upper and lower edge band frame is entrenched togather mutually; Stopped heating, with stove cooling, solder hermetic welds together two blocks of glass, the fire door of opening vacuum edge sealing stove obtains required vacuum glass.
When the melt temperature of described solder during greater than 320 ℃, the problem of annealing because welding temperature is too high for solving toughened glass, vacuum edge sealing stove can have basic heating system and local heating system, the basis heating system can adopt the mode of resistive heating such as nichrome wire, electrothermal tube, hot plate etc., with vacuum edge sealing furnace interior and glass heats to a basal temperature; The modes such as recycling resistive heating, infrared heating, LASER HEATING, Electromagnetic Heating, microwave heating are that local heating is carried out in the edge sealing position to the periphery of glass, reach the purpose that at short notice solder is heated to melting.
In order to solve the problems of the technologies described above, the invention provides the preparation method of above-mentioned tempering, half tempered vacuum glass, when the material of upholder was low temperature glass solder, it comprised:
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, and is carried out edging, chamfering, cleans, drying treatment;
Second step, the face of weld of the glass after processing utilizes mould printing technology and cryogenic glass powder to prepare the edge band frame, and after guaranteeing 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, in annealing furnace it being carried out tempering processes;
The 3rd step, utilize mould printing technology and low temperature glass solder to prepare upholder on the face of weld of the glass that second step is obtained, the solder of packing between the edge band frame on glass, and described two glass consistencies from top to bottom are stacked together, leave the exhaust-duct between two glass, then send in the vacuum edge sealing stove;
The 4th step, to described vacuum edge sealing sole vacuumize, limit heating, be evacuated to 0.1Pa following, be warming up to more than the melt temperature of solder, reach the edge sealing temperature; Solder is melted into liquid, and under the effect of glass self gravitation, upper and lower edge band frame is entrenched togather mutually; Stopped heating, with stove cooling, solder hermetic welds together two blocks of glass, the fire door of opening vacuum edge sealing stove obtains required vacuum glass.
When the melt temperature of described solder during greater than 320 ℃, the problem of annealing because welding temperature is too high for solving toughened glass, vacuum edge sealing stove can have basic heating system and local heating system, the basis heating system can adopt the mode of resistive heating such as nichrome wire, electrothermal tube, hot plate etc., with vacuum edge sealing furnace interior and glass heats to a basal temperature; The modes such as recycling resistive heating, infrared heating, LASER HEATING, Electromagnetic Heating, microwave heating are that local heating is carried out in the edge sealing position to the periphery of glass, reach the purpose that at short notice solder is heated to melting.
Wherein, described tempering planar vacuum glass can also comprise one flat plate glass, and described sheet glass is clipped between described upper glass and the described lower-glass, and described upper glass and described lower-glass form respectively the vacuum layer of two sealings with described sheet glass.
Wherein, the periphery of described upper glass face of weld has an edge band frame at least, and the periphery of described lower-glass face of weld has two edge band frames at least.
Described edge band frame is made by the mode of printing or spraying, preferred mould printing cryogenic glass powder or the low melting glass scolder of adopting made, the preferred commercially available melt temperature of described cryogenic glass powder is 550 ~ 750 ℃ glass glaze, and the preferred commercially available melt temperature of described low temperature glass solder is about 450 ℃ crown glass scolder.
Described mode of printing is the method that adopts silk screen printing or mould printing or printer, and cryogenic glass powder is imprinted on the fin that formation on glass is raised in glass surface.
The preparation of described edge band frame can be one-step print, also can be repeatedly to print.
The height of described edge band frame is preferably 0.1～10mm, 0.5～2mm more preferably, and width is preferably 0.2～5mm, more preferably 1～2mm.
Wherein, described solder comprises commercially available low temperature glass solder and low melting point metal or solder, the preferred melt temperature of described low temperature glass solder is about 450 ℃ crown glass scolder, the preferred tin of described low melting point metal or solder or tin alloy, zinc or zinc alloy, magnesium or magnesium alloy, its shape or form are paste, Powdered, thread or paper tinsel shape.
Wherein, above support is made by metal, pottery or glass, preferably adopts the preparation of mould printing cryogenic glass powder or low temperature glass solder.
Above support be printed on one on glass, or be printed on two on glass.
Above support is cylindric, or is strip; When upholder only is printed on one when on glass, be preferably cylindric; When upholder is printed on two when on glass simultaneously, be preferably strip, and vertical pile.
The above support minimum unit can be that the dot matrix of equilateral triangle is arranged, and the leg-of-mutton length of side is about 30～300mm, is preferably 50～150mm; Upholder is strip, its length is 0.3～5.0 mm, be preferably 0.5～2.0 mm, width is 0.1～2.0mm, be preferably 0.2～1.0mm, be 0.1～10.0mm highly, be preferably 0.5～3.0mm, the height of upholder be higher than the edge band frame height 0.1～2.0mm, be preferably 0.1～0.5mm; Upholder also can be for cylindric, its diameter is 0.1～3.0mm, be preferably 0.3～2.0mm, be 0.1～5.0 mm highly, be preferably 0.5～3.0mm, two blocks of glass closed sheet rear support thing position spatial altitude 0～0.3 mm, are preferably 0.1～0.2mm about the height of upholder was higher than.
When above support was printed before glass tempering, its material was preferably cryogenic glass powder; When above support was printed behind glass tempering, its material was preferably low temperature glass solder.
When above support was printed before glass tempering, the height behind its tempering all was not less than the height that sets; Then machined, such as turning, grinding etc., above support is machined to the height that sets, to eliminate the difference of altitude of the upholder that is caused because of the glass tempering distortion.
When above support was printed behind glass tempering, its dried height all was not less than the height that sets; When above support only is imprinted on one when on glass, if its dried top not in the plane that sets, then can be machined, such as turning, grinding etc., the top of above support is machined in the plane that sets; When above support is imprinted on two when on glass simultaneously, if its dried top not in the plane that sets, then can not need process, two upholders on glass can be entrenched togather mutually.
Beneficial effect of the present invention:
The periphery of the upper and lower glass of vacuum glass of the present invention contains the edge band frame, so that the edge sealing of vacuum glass is easier, by to the mechanical workout of glass tempering rear support thing or make the chimeric mutually of upholder up and down, eliminated the difference of altitude of the upholder that causes because of the glass tempering distortion; The mutual chimeric sealing effectiveness of glass under deformation that guaranteed of edge band frame up and down, have the bonding strength higher than solder between edge band frame and the upper lower-glass, sealing surface area and airtight layer thickness between the upper lower-glass have been increased, solved the uneven problem of sealing of existing edge of vacuum glass, sticking power and the adhesion strength of sealing-in have greatly been strengthened, on having increased, the tightness of vacuum layer between the lower-glass, improved the life-span of vacuum glass, and can save and make and the great bleeding point of sealing difficulty, realized that the single stage method mass prepares vacuum glass, promote the suitability for industrialized production of vacuum glass, greatly improved productivity and the qualification rate of vacuum glass, reduced the production cost of vacuum glass.
Description of drawings
Fig. 1 is vacuum glass structural representation of the present invention;
Fig. 2 is the vacuum glass structural representation with dual-gripper thing of the present invention.
Among the figure: 1. upper glass, 2. lower-glass, 3. solder, 4. the edge band frame on the lower-glass, 5. the edge band frame of upper glass, the 6. upholder on the lower-glass, the 7. upholder on the upper glass.
Embodiment
The invention provides a kind of tempering, half tempered vacuum glass, it comprises: upper glass, lower-glass, described upper glass and described lower-glass are dull and stereotyped tempering, semi-tempered glass, the periphery of the face of weld of described upper glass and described lower-glass all has the edge band frame, the periphery of described upper glass and described lower-glass welds together by solder, form the vacuum layer of a sealing between described upper glass and the described lower-glass, have in the described vacuum layer to be the upholder that dot matrix is arranged.
The height of described edge band frame is preferably 0.1～10mm, 0.1～1mm more preferably, and width is preferably 0.2～5mm, more preferably 1.0～2.0mm.
Several aspirating holes can be left on the described edge band frame, after described solder fusing, described aspirating hole can be sealed.
When containing two or more edge band frame, described solder is in the centre of described edge band frame, described edge band frame is when the upper surface of the middle sheet glass of the sheet glass with two vacuum layer, identical with described lower-glass, when the lower surface of described sheet glass, identical with described upper glass.
The edge band frame of described lower-glass is Duoed one than the edge band frame of described upper glass, be that described upper glass contains an edge band frame at least, described lower-glass contains two edge band frames at least, the edge band frame of described upper glass is inserted in the middle of the edge band frame of described lower-glass, on described, the edge band frame of lower-glass is entrenched togather mutually, vacuum layer is carried out labyrinth seal, described edge band frame is when the upper surface of the middle sheet glass of the sheet glass with two vacuum layer, identical with described lower-glass, when the lower surface of described sheet glass, identical with described upper glass.
Described edge band frame is made by the mode of squeezing, etching or printing, and described edge band frame comprises fin and groove, preferably adopts the mould printing cryogenic glass powder to make.
Described squeezing mode is to pack sheet glass into internal surface with in depression or the mold cavity of protruding lines, after pyroprocessing makes glass softening, sheet glass is exerted pressure, and forms fin and groove at the periphery of sheet glass.
Described etching mode is known prior art, utilizes method for printing screen that acid-proof ink is printed on sheet glass and does not need etched place, will not have the acid-proof ink place to erode away groove on the sheet glass with corrosive acids such as hydrofluoric acid.
Described mode of printing is the method that adopts silk screen printing or mould printing or printer, cryogenic glass powder is imprinted on forms the fin that is raised in surface of plate glass on the sheet glass.
When described edge band frame prepares, can be one-step print, also can be repeatedly to print.
Described tempering planar vacuum glass can also comprise one flat plate glass, and described sheet glass is clipped between described upper glass and the described lower-glass, and described upper glass and described lower-glass form respectively the vacuum layer of two sealings with described sheet glass.
Described tempering planar vacuum glass may further include polylith sheet glass, thereby comprises the vacuum layer of a plurality of sealings.
Described edge sealing temperature is preferably 150～550 ℃, further is preferably 290～350 ℃ when adopting low melting point metal or solder; When adopting low temperature glass solder, further be preferably 380～470 ℃.
The material of above support is low temperature glass, metal, pottery, glass or plastics, is preferably low temperature glass.
The above support minimum unit can be that the dot matrix of equilateral triangle is arranged, and the leg-of-mutton length of side is about 20～100mm, is preferably 30～50mm; Upholder is strip, its length is 0.3～5.0 mm, be preferably 0.5～2.0 mm, width is 0.1～2.0mm, be preferably 0.2～1.0mm, be 0.1～10.0mm highly, be preferably 0.2～3.0mm, the height of upholder be higher than the edge band frame height 0.1～2.0mm, be preferably 0.1～0.5mm; Upholder also can be for cylindric, and its diameter is 0.1～3.0mm, is preferably 0.3～2.0mm, is 0.1～5.0 mm highly, is preferably 0.5～3.0mm.
When upholder is printed on one when on glass, be preferably cylindric; When upholder is printed on up and down two when on glass simultaneously, be preferably strip.
When upholder was printed before edge band frame sintering, preferred cryogenic glass powder was made; When upholder was printed behind edge band frame sintering, preferred low temperature glass solder was made.
When upper lower-glass all has the strip upholder, the upholder vertical pile supports, upper lower-glass still is the some contact by upholder, and contact for line between upholder and the glass, increased contact area, reduced the tension stress of glass in support place, thus the quantity of upholder can be reduced, thus further improve the transparency of glass, heat insulation and sound-proofing properties.
Former of described upper glass, described lower-glass can be simple glass or low emissivity glass or wire glass or rolled glass or hot melt glass; After tempering was processed, described upper glass, described lower-glass were toughened glass, or semi-tempered glass, or low radiation toughened glass, or low radiation semi-tempered glass.
Described solder comprises low temperature glass solder and low melting point metal or solder, and described solder is placed in the middle of the edge band frame of glass.
The invention provides the preparation method of above-mentioned tempering, half tempered vacuum glass, when the material of upholder was cryogenic glass powder, it comprised:
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, and is carried out edging, chamfering, cleans, drying treatment;
Second step, the face of weld of the glass after processing utilizes mould printing technology and cryogenic glass powder to prepare edge band frame and upholder, and after guaranteeing 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, in annealing furnace it being carried out tempering processes;
The 3rd step, the upholder on glass that second step is obtained carries out mechanical workout, make its top be positioned at the plane that sets, the solder of packing between the edge band frame of glass, and described two glass consistencies from top to bottom are stacked together, leave the exhaust-duct between two glass, then send in the vacuum edge sealing stove;
The 4th step, to described vacuum edge sealing sole vacuumize, limit heating, be evacuated to 0.1Pa following, be warming up to more than the melt temperature of solder, reach the edge sealing temperature; Solder is melted into liquid, and under the effect of glass self gravitation, upper and lower edge band frame is entrenched togather mutually; Stopped heating, with stove cooling, solder hermetic welds together two blocks of glass, the fire door of opening vacuum edge sealing stove obtains required vacuum glass.
When the melt temperature of described solder during greater than 320 ℃, the problem of annealing because welding temperature is too high for solving toughened glass, vacuum edge sealing stove can have basic heating system and local heating system, the basis heating system can adopt the mode of resistive heating such as nichrome wire, electrothermal tube, hot plate etc., with vacuum edge sealing furnace interior and glass heats to a basal temperature; The modes such as recycling resistive heating, infrared heating, LASER HEATING, Electromagnetic Heating, microwave heating are that local heating is carried out in the edge sealing position to the periphery of glass, reach the purpose that at short notice solder is heated to melting.
The invention provides the preparation method of above-mentioned tempering, half tempered vacuum glass, when the material of upholder was low temperature glass solder, it comprised:
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, and is carried out edging, chamfering, cleans, drying treatment;
Second step, the face of weld of the glass after processing utilizes mould printing technology and cryogenic glass powder to prepare the edge band frame, and after guaranteeing 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, in annealing furnace it being carried out tempering processes;
The 3rd step, utilize mould printing technology and low temperature glass solder to prepare upholder on the face of weld of the glass that second step is obtained, the solder of packing between the edge band frame on glass, and described two glass consistencies from top to bottom are stacked together, leave the exhaust-duct between two glass, then send in the vacuum edge sealing stove;
The 4th step, to described vacuum edge sealing sole vacuumize, limit heating, be evacuated to 0.1Pa following, be warming up to more than the melt temperature of solder, reach the edge sealing temperature; Solder is melted into liquid, and under the effect of glass self gravitation, upper and lower edge band frame is entrenched togather mutually; Stopped heating, with stove cooling, solder hermetic welds together two blocks of glass, the fire door of opening vacuum edge sealing stove obtains required vacuum glass.
When the melt temperature of described solder during greater than 320 ℃, the problem of annealing because welding temperature is too high for solving toughened glass, vacuum edge sealing stove can have basic heating system and local heating system, the basis heating system can adopt the mode of resistive heating such as nichrome wire, electrothermal tube, hot plate etc., with vacuum edge sealing furnace interior and glass heats to a basal temperature; The modes such as recycling resistive heating, infrared heating, LASER HEATING, Electromagnetic Heating, microwave heating are that local heating is carried out in the edge sealing position to the periphery of glass, reach the purpose that at short notice solder is heated to melting.
Below adopt embodiment and accompanying drawing to describe embodiments of the present invention in detail, how the utilisation technology means solve technical problem to the present invention whereby, and the implementation procedure of reaching technique effect can fully understand and implements according to this.
Embodiment 1: referring to Fig. 1, two blocks of glass of vacuum glass are toughened glass or semi-tempered glass, wherein one or low emissivity glass, on glassly all has an edge band frame at two, its making method is as follows: at first according to the shape of made vacuum glass and one flat plate glass and low emissivity glass of size cutting desired size, carry out edging, chamfering, clean, after the drying, two printing technologies of utilizing on glass cryogenic glass powder cream is printed to the edge band frame, wherein upper glass has an edge band frame, lower-glass has two edge band frames, the size of upper glass edge band frame is between two edge band frames of lower-glass, after upper lower-glass closes sheet, the edge band frame of upper glass can be embedded between two edge band frames of lower-glass, and the width of each edge band frame is 1.5mm, highly be 0.6mm; Secondly two blocks of glass are sent into respectively annealing furnace, in the softening melting of the high temperature action lower seal edge strip frame of annealing furnace and glassy bond together, carry out immediately wind-cooling reinforcing, obtain having tempering or the semi-tempered glass of edge band frame; And utilize low temperature glass solder to print upholder at upper or lower-glass, upholder is that minimum unit is the dot matrix arrangement of equilateral triangle, the leg-of-mutton length of side is 70mm, upholder is cylindric, its diameter is 0.6mm, highly for 0.8mm, for eliminating the difference of altitude that causes because of glass tempering, the height of upholder is higher than the height 0.2mm of edge band frame; Again fill the brazing metal glass putty or spread tinfoil paper or the tin silk between two edge band frames with lower-glass, and two glass consistencies from top to bottom are stacked together and leave certain space of bleeding, send in the vacuum edge sealing stove; The back vacuumizes, the limit heating, be evacuated to 0.1Pa melting temperature following, that be warming up to metallic tin above such as 240 ℃, metallic tin will melt, and the edge band frame of upper glass embeds under action of gravitation between the edge band frame of lower-glass, and the metallic tin of melting with two glass cementations together; Continue to be warming up to more than 300 ℃, upholder is the softening difference of altitude between two blocks of glass, with two glass cementations together of automatically adapting to first, sintering curing again, high temperature also more is conducive to the desorb of glass adsorbed gas, the gas of desorb can be overflowed by liquid metal tin between the upper lower-glass, thereby makes the vacuum tightness that reaches higher between the lower-glass; Stopped heating, with stove cooling, brazing metal tin hermetic welds together two blocks of glass, opens fire door and obtains required vacuum glass.
Adopt the edge band frame, can be easy to utilize low melting point metal or alloy to realize the solder bonding metal of vacuum glass, because the selectable scope of brazing temperature is very large, so not only can wholely heat glass, reduce the cost of process furnace and simplify production technique, and can decrease edge sealing temperature, shorten heat-up time, thereby reduce production costs, enhance productivity, the more important thing is to guarantee tempering or the semi-tempered glass phenomenon of in heat-processed, can not annealing.Because the edge band frame is chimeric up and down, can make the thickness of vacuum glass that one scope of automatically regulating is arranged, the height of upholder also is variable in addition, so upholder can link together two blocks of glass reliably.
Upholder adopts low temperature glass solder to make, lower sintering temperature is arranged, make that it can soften, sintering under lower Heating temperature, and by means of its slightly high height, upper lower-glass can be bonded together reliably, thereby play effective supporting role.
Embodiment 2: referring to Fig. 2, two blocks of glass of vacuum glass are toughened glass or semi-tempered glass, wherein one or low emissivity glass, on glassly all has an edge band frame at two, its making method is as follows: at first according to the shape of made vacuum glass and one flat plate glass and low emissivity glass of size cutting desired size, carry out edging, chamfering, clean, after the drying, two printing technologies of utilizing on glass cryogenic glass powder cream is printed to the edge band frame, wherein upper glass has two edge band frames, lower-glass has three edge band frames, the size of upper glass edge band frame is between lower-glass edge band frame, after upper lower-glass closes sheet, the edge band frame of upper glass can be embedded between the edge band frame of lower-glass, and the width of each edge band frame is 1.5mm, highly be 0.7mm; And at the upper and lower upholder of printing simultaneously on glass, upholder is that minimum unit is the dot matrix arrangement of equilateral triangle, the leg-of-mutton length of side is 80mm, upholder is strip, its length be 2 mm, width be 0.60mm, highly for 0.5mm, the upholder of upper and lower glass is orthogonal, and it is crosswise shape that upper and lower glass closes sheet rear support thing overlapping; Secondly two blocks of glass are sent into respectively annealing furnace, be in the same place in the softening melting of high temperature action lower seal edge strip frame and upholder and the glassy bond of annealing furnace, carry out immediately wind-cooling reinforcing, obtain having tempering or the semi-tempered glass of edge band frame and upholder; For eliminating the difference of altitude of the upholder that causes because of the glass tempering distortion, upholder is carried out mechanical workout, by cutting or grinding its top is in the same plane; Again fill low temperature glass solder between three edge band frames with lower-glass, two glass consistencies from top to bottom are stacked together, reserve certain bleed-off passage, send in the vacuum edge sealing stove; Vacuum edge sealing stove and accessory has basic heating system and local heating system; At last while vacuumizing, utilize basic heating system heating, be evacuated to that 0.1Pa is following, after basal temperature rises to 300 ℃, recycling local heating system such as far infra-red heater are heated to melt temperature more than 450 ℃ with the low temperature glass solder in the edge band frame, the edge band frame of upper glass embeds between the edge band frame of lower-glass under action of gravitation, the low temperature glass solder of melting with two glass cementations together, the upholder of upper lower-glass is in contact with one another, overlappingly be crosswise shape; Stopped heating, with stove cooling, low temperature glass solder hermetic welds together two blocks of glass, opens fire door and obtains required vacuum glass.
Upper lower-glass all has the strip upholder, the upholder vertical pile supports, upper and lower glass still is the some contact by upholder, and contact for line between upholder and the glass, increased contact area, reduced the tension stress of glass in support place, thus the quantity of upholder can be reduced, thus further improve the transparency of glass, heat insulation and sound-proofing properties; By upholder is carried out mechanical workout, its top is in the same plane, guaranteed the reliability that supports.
Embodiment 3: referring to Fig. 2, two blocks of glass of vacuum glass are toughened glass or semi-tempered glass, wherein one or low emissivity glass, on glassly all has an edge band frame at two, its making method is as follows: at first according to the shape of made vacuum glass and one flat plate glass and low emissivity glass of size cutting desired size, carry out edging, chamfering, clean, after the drying, two printing technologies of utilizing on glass cryogenic glass powder cream is printed to the edge band frame, wherein upper glass has two edge band frames, lower-glass has three edge band frames, the size of upper glass edge band frame is between lower-glass edge band frame, after upper lower-glass closes sheet, the edge band frame of upper glass can be embedded between the edge band frame of lower-glass, and the width of each edge band frame is 1.5mm, highly be 0.7mm; Secondly two blocks of glass are sent into annealing furnace, in the softening melting of the high temperature action lower seal edge strip frame of annealing furnace and glassy bond together, carry out immediately wind-cooling reinforcing, obtain having tempering or the semi-tempered glass of edge band frame; The low temperature glass solder that utilizes upper and lower on glass behind tempering is printed upholder simultaneously again, upholder is that minimum unit is the dot matrix arrangement of equilateral triangle, the leg-of-mutton length of side is 80mm, upholder is strip, its length be 2 mm, width be 0.60mm, highly for 0.5mm, the upholder of upper lower-glass is orthogonal, and it is crosswise shape that upper lower-glass closes sheet rear support thing overlapping; Fill the brazing metal glass putty or spread tinfoil paper or the tin silk between three edge band frames with lower-glass, two glass consistencies from top to bottom are stacked together, reserve certain bleed-off passage, send in the vacuum edge sealing stove; The back vacuumizes, the limit heating, be evacuated to 0.1Pa melting temperature following, that be warming up to metallic tin above such as 240 ℃, metallic tin melts, two edge band frames of upper glass embed under action of gravitation between three edge band frames of lower-glass, the metallic tin of melting with two glass cementations together, the upholder of upper and lower glass is in contact with one another, overlappingly be crosswise shape; Continue to be warming up to more than 300 ℃, make the upholder sintering curing, incite somebody to action up and down two glassy bonds together, high temperature also more is conducive to the desorb of glass adsorbed gas, and the gas of desorb can be overflowed by liquid metal tin between the upper lower-glass, thereby makes the vacuum tightness that reaches higher between the lower-glass; Stopped heating, with stove cooling, brazing metal tin hermetic welds together two blocks of glass, opens fire door and obtains required vacuum glass.
Upper and lower glass all has the strip upholder, the upholder vertical pile supports, upper lower-glass still is the some contact by upholder, and contact for line between upholder and the glass, increased contact area, reduced the tension stress of glass in support place, thus the quantity of upholder can be reduced, thus further improve the transparency of glass, heat insulation and sound-proofing properties.
This intellecture property of primary enforcement that all are above-mentioned is not set 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 only is preferred embodiment of the present invention, is not to be the restriction of the present invention being made other form, and 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 solution of the present invention content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment does, still belongs to the protection domain of technical solution of the present invention according to technical spirit of the present invention.
Claims (10)
1. a tempering, half tempered vacuum glass, it comprises: upper glass, lower-glass, described upper glass and described lower-glass are dull and stereotyped tempering, semi-tempered glass, the periphery of the face of weld of described upper glass and described lower-glass all has the edge band frame, the periphery of described upper glass and described lower-glass welds together by solder, form the vacuum layer of a sealing between described upper glass and the described lower-glass, have in the described vacuum layer to be the upholder that dot matrix is arranged.
2. tempering planar vacuum glass according to claim 1, it is characterized in that described tempering planar vacuum glass can also comprise one flat plate glass, described sheet glass is clipped between described upper glass and the described lower-glass, and described upper glass and described lower-glass form respectively the vacuum layer of two sealings with described sheet glass.
3. tempering planar vacuum glass according to claim 1 is characterized in that the periphery of described upper glass face of weld has an edge band frame at least, and the periphery of described lower-glass face of weld has two edge band frames at least.
4. tempering planar vacuum glass according to claim 3 is characterized in that the edge band frame of described upper glass is entrenched between the edge band frame of described lower-glass.
5. tempering planar vacuum glass according to claim 1 is characterized in that the difference of altitude that above support causes because of the glass tempering distortion by the mechanical workout elimination.
6. tempering planar vacuum glass according to claim 1 is characterized in that above support adopts mould printing cryogenic glass powder or low temperature glass solder preparation.
7. tempering planar vacuum glass according to claim 1 is characterized in that it is cylindric when on glass that above support only is printed on one; It is strip when on glass that above support is printed on two simultaneously, and vertical pile.
8. tempering planar vacuum glass according to claim 1, its material is cryogenic glass powder when it is characterized in that above support is printed before edge band frame sintering; Its material was low temperature glass solder when above support was printed behind edge band frame sintering.
9. the preparation method of each described tempering planar vacuum glass of claim 1 to 8 is characterized in that it comprises when the material of upholder is cryogenic glass powder:
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, and is carried out edging, chamfering, cleans, drying treatment;
Second step, the face of weld of the glass after processing utilizes mould printing technology and cryogenic glass powder to prepare edge band frame and upholder, and after guaranteeing 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, in annealing furnace it being carried out tempering processes;
The 3rd step, the upholder on glass that second step is obtained carries out mechanical workout, make its top be positioned at the plane that sets, the solder of packing between the edge band frame of glass, and described two glass consistencies from top to bottom are stacked together, leave the exhaust-duct between two glass, then send in the vacuum edge sealing stove;
The 4th step, to described vacuum edge sealing sole vacuumize, limit heating, be evacuated to 0.1Pa following, be warming up to more than the melt temperature of solder, reach the edge sealing temperature; Solder is melted into liquid, and under the effect of glass self gravitation, upper and lower edge band frame is entrenched togather mutually; Stopped heating, with stove cooling, solder hermetic welds together two blocks of glass, the fire door of opening vacuum edge sealing stove obtains required vacuum glass;
When the melt temperature of described solder during greater than 320 ℃, the problem of annealing because welding temperature is too high for solving toughened glass, high temperature edge sealing stove can have basic heating system and local heating system, the basis heating system can adopt the mode of resistive heating such as nichrome wire, electrothermal tube, hot plate etc., with high temperature edge sealing furnace interior and glass heats to a basal temperature; The modes such as recycling resistive heating, infrared heating, LASER HEATING, Electromagnetic Heating, microwave heating are that local heating is carried out in the edge sealing position to the periphery of glass, reach the purpose that at short notice solder is heated to melting.
10. the preparation method of each described tempering planar vacuum glass of claim 1 to 8 is characterized in that it comprises when the material of upholder is low temperature glass solder:
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, and is carried out edging, chamfering, cleans, drying treatment;
Second step, the face of weld of the glass after processing utilizes mould printing technology and cryogenic glass powder to prepare the edge band frame, and after guaranteeing 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, in annealing furnace it being carried out tempering processes;
The 3rd step, utilize mould printing technology and low temperature glass solder to prepare upholder on the face of weld of the glass that second step is obtained, the solder of packing between the edge band frame on glass, and described two glass consistencies from top to bottom are stacked together, leave the exhaust-duct between two glass, then send in the vacuum edge sealing stove;
The 4th step, to described vacuum edge sealing sole vacuumize, limit heating, be evacuated to 0.1Pa following, be warming up to more than the melt temperature of solder, reach the edge sealing temperature; Solder is melted into liquid, and under the effect of glass self gravitation, upper and lower edge band frame is entrenched togather mutually; Stopped heating, with stove cooling, solder hermetic welds together two blocks of glass, the fire door of opening vacuum edge sealing stove obtains required vacuum glass;
When the melt temperature of described solder during greater than 320 ℃, the problem of annealing because welding temperature is too high for solving toughened glass, high temperature edge sealing stove can have basic heating system and local heating system, the basis heating system can adopt the mode of resistive heating such as nichrome wire, electrothermal tube, hot plate etc., with high temperature edge sealing furnace interior and glass heats to a basal temperature; The modes such as recycling resistive heating, infrared heating, LASER HEATING, Electromagnetic Heating, microwave heating are that local heating is carried out in the edge sealing position to the periphery of glass, reach the purpose that at short notice solder is heated to melting.
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| CN201210075619XA CN102951793A (en) | 2012-03-21 | 2012-03-21 | Tempered and semi-tempered vacuum glass and manufacturing method thereof |
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Cited By (1)
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|---|---|---|---|---|
| CN104291636A (en) * | 2013-07-17 | 2015-01-21 | 戴长虹 | Mounting hole with circular tube and seal strips for plate vacuum glass and a manufacturing method thereof |
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| EP1571134A1 (en) * | 2002-12-05 | 2005-09-07 | Nippon Sheet Glass Company, Limited | Process for producing vacuum glass panel and vacuum glass panel produced thereby |
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Application publication date: 20130306 |