CN102951788A - Single flat tempered low-altitude glass and manufacturing method thereof - Google Patents
Single flat tempered low-altitude glass and manufacturing method thereof Download PDFInfo
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- CN102951788A CN102951788A CN2012100756043A CN201210075604A CN102951788A CN 102951788 A CN102951788 A CN 102951788A CN 2012100756043 A CN2012100756043 A CN 2012100756043A CN 201210075604 A CN201210075604 A CN 201210075604A CN 102951788 A CN102951788 A CN 102951788A
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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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- Y02P40/00—Technologies relating to the processing of minerals
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Abstract
The invention provides single flat tempered low-altitude glass. The glass comprises upper glass and lower glass, wherein the upper glass is common glass while the lower glass is tempered glass; at least two edge sealing strip frames are arranged on the periphery of the welding surface of the lower glass; the peripheries of the upper and lower glass are welded together through low-temperature solders; and a closed low-altitude 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 low-altitude glass provided by the invention is simple in process; and the manufactured tempered low-altitude glass can overcome defects in the prior art and can be subjected to mass production.
Description
Technical field
The present invention relates to the glass processing technical field, relate in particular to the dull and stereotyped low latitude of a kind of tempering glass and preparation method thereof.
Background technology
Along with the reinforcement of environmental protection and energy saving consciousness, double glazing has obtained applying widely, Effective Raise the insulation of door and window, sound insulation property.Distance between two sheet glass of double glazing, be the effect that the thickness of gas cloud has determined insulation, sound insulation, gas cloud is thicker, and then insulation and defening effect are better, but the thickness that increases gas cloud can increase the thickness of sash, thereby can increase the cost of manufacture of door and window; Other method is as adopting coated glass, pad pasting and fill the measure such as rare gas element in the middle of double glazing, though certain effect is arranged, cost is very high, is not suitable for generally using.
Existing double glazing mostly is to use the interval box with siccative to separate peripheral glasswork with organic sealant sealing in the middle of the glass more than two or two.Owing to organic seal gum self contains the reasons such as moisture, ageing resistance is relatively poor, resistance to air loss is bad, cause double glazing that failure phenomenon often occurs, had a strong impact on the work-ing life of double glazing.
Air in the double glazing gas cloud is sealed between two blocks of glass, because the variation of outside temperature, can cause the pressure of gas cloud to change, pressure was greater than normal atmosphere, glass evagination when outside temperature was high, pressure was less than normal atmosphere, glass indent when outside temperature was low, produce so-called " breathing " phenomenon, thereby affect the normal working life of double glazing.
Summary of the invention
Technical problem to be solved by this invention is the defective that is for existing double glazing existence, a kind of novel subatmospheric double glazing---tempering low latitude glass and preparation method thereof is provided, the making method technique of this low latitude glass is simple, prepared tempering low latitude glass can overcome the deficiency of existing double glazing, can effectively guarantee low latitude glass resistance to air loss, increase the service life, and can gain in strength and heat insulation, sound-proofing properties.
In order to solve the problems of the technologies described above, the invention provides the dull and stereotyped low latitude of a kind of tempering glass, it comprises: upper and lower glass, described upper and lower glass is sheet glass, described upper glass is simple glass, described lower-glass is toughened glass, the periphery of the face of weld of described lower-glass has two edge band frames at least, the periphery of described upper glass and described lower-glass welds together by solder, form the low dead level of a sealing between described upper glass and the described lower-glass, have in the described low dead level to be the upholder that dot matrix is arranged.
Wherein, described low dead level be low latitude glass at high temperature edge sealing, be down to self-assembling formation after the room temperature, the air pressure in the described low dead level is determined by the fusing point of solder, is generally 0.01 ~ 0.09MPa, is preferably 0.02 ~ 0.07MPa.
Wherein, the dull and stereotyped low latitude of described tempering 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 low dead level of two sealings with described sheet glass.
Further, 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.
Wherein, described edge band frame is made by the mode of printing or spraying, preferred mould printing cryogenic glass powder or the low temperature glass solder 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.
Wherein, 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.
Wherein, the preparation of described edge band frame can be one-step print, also can be repeatedly to print.
Wherein, 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.
Wherein, above support be printed on one on glass, or be printed on two on glass.
Wherein, 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.
Wherein, 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.
Wherein, when above support was printed before edge band frame sintering, its material was preferably cryogenic glass powder; When above support was printed behind edge band frame sintering, its material was preferably low temperature glass solder.
Wherein, 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.
Wherein, 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.
In order to solve the problems of the technologies described above, the invention provides the preparation method of the dull and stereotyped low latitude of above-mentioned tempering glass, when the material of upholder was cryogenic glass powder, it comprised:
The first step according to the shape of the dull and stereotyped low latitude of the tempering of required making glass 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, if the edge band frame is arranged on the upper glass, after then 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, edge band frame or upholder to upper glass in High Temperature Furnaces Heating Apparatus carry out high temperature sintering curing, lower-glass is carried out tempering process;
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 eutectic 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 high temperature edge sealing stove;
The 4th step was heated to more than the melt temperature of solder described high temperature edge sealing stove, reached 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 high temperature edge sealing stove obtains the dull and stereotyped low latitude of required tempering 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.
In order to solve the problems of the technologies described above, the invention provides the preparation method of the dull and stereotyped low latitude of above-mentioned tempering glass, when the material of upholder was low temperature glass solder, it comprised:
The first step according to the shape of the dull and stereotyped low latitude of the tempering of required making glass 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, if the edge band frame is arranged on the upper glass, after then 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, the edge band frame to upper glass in High Temperature Furnaces Heating Apparatus carries out high temperature sintering curing, lower-glass is carried out tempering process;
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 the lower-glass, and described two glass consistencies from top to bottom are stacked together, leave the exhaust-duct between two glass, then send in the high temperature edge sealing stove;
The 4th step was heated to more than the melt temperature of solder described high temperature edge sealing stove, reached 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, and upholder also links together two blocks of glass; Stopped heating, with stove cooling, solder hermetic welds together two blocks of glass, the fire door of opening high temperature edge sealing stove obtains the dull and stereotyped low latitude of required tempering 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.
Beneficial effect of the present invention:
Low latitude of the present invention glass is a kind of novel glass between double glazing and vacuum glass, utilizes high temperature edge sealing sealing, is down to after the room temperature and automatically forms the subatmospheric gas cloud between the upper and lower glass.Compare with double glazing, replace organic adhesive and normal temperature edge sealing with inorganic scolder and high temperature edge sealing, greatly improved sealing property and prolonged work-ing life; The air rarefaction of low dead level, water molecules and oxygen equal size are lower, not only can not haze, frosting, and the oxidation that has alleviated low-radiation film, thin air also make heat insulation and sound-proofing properties better; The air pressure of low dead level is all the time less than normal atmosphere, so there is not " breathing " phenomenon.Compare with existing vacuum glass, do not need to vacuumize, few with or without upholder, production technique is more simple, cost is lower, the pressure that bears in the glass use procedure is less, longer service life.
The periphery of low latitude of the present invention glass lower-glass contains the edge band frame, so that the edge sealing of low latitude glass is easier, by to the mechanical workout of glass tempering rear support thing or make that upholder is chimeric mutually 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, sticking power and the adhesion strength of sealing-in have greatly been strengthened, on having increased, the tightness of low dead level between the lower-glass, improved the life-span of low latitude glass, realized that the single stage method mass prepares low latitude glass, promote the suitability for industrialized production of low latitude glass, greatly improved productivity and the qualification rate of low latitude glass, reduced the production cost of low latitude glass.
Description of drawings
Fig. 1 is low latitude of the present invention glass structure schematic diagram;
Fig. 2 is the low latitude glass structure schematic diagram that upper lower-glass of the present invention all has the edge band frame;
Fig. 3 is the low latitude glass structure schematic diagram that upper lower-glass of the present invention all has upholder.
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 the dull and stereotyped low latitude of a kind of tempering glass, it comprises, upper and lower glass, described upper and lower glass is sheet glass, and described upper glass is simple glass, and described lower-glass is toughened glass, the periphery of the face of weld of described lower-glass has two edge band frames at least, the periphery of described upper glass and described lower-glass welds together by solder, forms the low dead level of a sealing between described upper glass and the described lower-glass, has in the described low dead level to be the upholder that dot matrix is arranged.
Described low dead level be at high temperature edge sealing, be down to self-assembling formation after the room temperature, the air pressure in the described low dead level is determined by the fusing point of solder, is generally 0.01 ~ 0.09MPa, is preferably 0.02 ~ 0.07MPa.
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 venting holes can be left on the described edge band frame, after described solder fusing, described venting 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 low dead levels, identical with described lower-glass, when the lower surface of described sheet glass, identical with described upper glass.
When described upper glass contains an edge band frame at least, the edge band frame of described upper glass is inserted in the middle of the edge band frame of described lower-glass, the edge band frame of described upper and lower glass is entrenched togather mutually, low dead level 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 low dead levels, 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.
The dull and stereotyped low latitude of described tempering 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 low dead level of two sealings with described sheet glass.
The dull and stereotyped low latitude of described tempering glass may further include polylith sheet glass, thereby comprises the low dead level 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 heat insulation and sound-proofing properties of glass.
The material of described upper glass can be simple glass or low emissivity glass or wire glass or rolled glass or hot melt glass; Described lower-glass is 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 dull and stereotyped low latitude of a kind of tempering glass, it comprises: upper and lower glass, described upper and lower glass is sheet glass, described upper glass is simple glass, described lower-glass is toughened glass, and the periphery of the face of weld of described lower-glass has two edge band frames at least, and the periphery of described upper glass and described lower-glass welds together by solder, form the low dead level of a sealing between described upper glass and the described lower-glass, have in the described low dead level to be the upholder that dot matrix is arranged.
The invention provides the preparation method of the dull and stereotyped low latitude of above-mentioned tempering glass, when the material of upholder was cryogenic glass powder, it comprised:
The first step according to the shape of the dull and stereotyped low latitude of the tempering of required making glass 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, if the edge band frame is arranged on the upper glass, after then 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, edge band frame or upholder to upper glass in High Temperature Furnaces Heating Apparatus carry out high temperature sintering curing, lower-glass is carried out tempering process;
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 eutectic 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 high temperature edge sealing stove;
The 4th step was heated to more than the melt temperature of solder described high temperature edge sealing stove, reached 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 high temperature edge sealing stove obtains the dull and stereotyped low latitude of required tempering 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.
Described high temperature edge sealing stove or the single-unit furnace of batch production, or the tunnel kiln of continous way production, preferred tunnel kiln.
Atmosphere or air in the described high temperature edge sealing stove, or the neutral atmospheres such as nitrogen, argon gas, preferred argon gas.
When the atmosphere in the high temperature edge sealing stove is neutral atmosphere, by transmission and the exchange of gas under the high temperature, can reduces moisture and oxygen content in the low dead level of low latitude glass, thereby further improve the performance of low latitude glass.
The invention provides the preparation method of the dull and stereotyped low latitude of above-mentioned tempering glass, when the material of upholder was low temperature glass solder, it comprised:
The first step according to the shape of the dull and stereotyped low latitude of the tempering of required making glass 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, if the edge band frame is arranged on the upper glass, after then 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, the edge band frame to upper glass in High Temperature Furnaces Heating Apparatus carries out high temperature sintering curing, lower-glass is carried out tempering process;
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 the lower-glass, and described two glass consistencies from top to bottom are stacked together, leave the exhaust-duct between two glass, then send in the high temperature edge sealing stove;
The 4th step was heated to more than the melt temperature of solder described high temperature edge sealing stove, reached 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, and upholder also links together two blocks of glass; Stopped heating, with stove cooling, solder hermetic welds together two blocks of glass, the fire door of opening high temperature edge sealing stove obtains the dull and stereotyped low latitude of required tempering 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.
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, one in two blocks of glass of low latitude glass are simple glass, another piece is toughened glass or semi-tempered glass, its making method is as follows: at first according to the shape of made low latitude glass and one flat plate glass and low emissivity glass of size cutting desired size, carry out edging, chamfering, clean, after the drying, fall a larger angle at the weld of upper glass, utilize printing technology that cryogenic glass powder cream is printed two edge band frames at lower-glass, the width of each edge band frame is 1.5mm, and interior edge band frame height is 0.6mm, covering edge strip frame height is 1.6mm; Secondly lower-glass is 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; 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 the glass tempering distortion, the height of upholder is higher than the height 0.2mm of interior edge band frame; The fusing point of again packing between two edge band frames with lower-glass is 450 ℃ low temperature glass solder, the upper surface of low temperature glass solder is between the height of inside and outside edge band frame, and two glass consistencies from top to bottom are stacked together, reserve the exhaust-duct, send in the high temperature edge sealing stove, high temperature edge sealing stove and accessory has basic heating system and local heating system; Utilize first at last basic heating system heating, 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, and upholder softens with two glass cementations together first, again sintering curing; The face of weld of upper glass is under action of gravitation and the low temperature glass solder close contact between two edge band frames of lower-glass, the low temperature glass solder of melting with two glass cementations together, stopped heating, lower the temperature with stove, low temperature glass solder hermetic welds together two blocks of glass, opens fire door and obtains required low latitude glass.
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, one in two blocks of glass of low latitude glass are simple glass, another piece is 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 low latitude glass and one flat plate glass and low emissivity glass of size cutting desired size, carry out edging, chamfering, clean, after the drying, at two screen printing techniques that utilize 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; And utilize cryogenic glass powder to print upholder at lower-glass, and upholder is that minimum unit is that the dot matrix of equilateral triangle is arranged, and the leg-of-mutton length of side is 70mm, and upholder is cylindric, and its diameter is 0.6mm, highly is 0.8mm; Secondly upper glass is sent into High Temperature Furnaces Heating Apparatus, heating makes edge band frame sintering curing; Lower-glass is sent into annealing furnace, high temperature action lower seal edge strip frame at annealing furnace is in the same place with the softening melting of upholder and glassy bond, 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 that causes because of the glass tempering distortion, upholder is carried out mechanical workout, make its top be in sustained height by cutting or grinding; 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 exhaust space, send in the high temperature edge sealing stove; The melting temperature that is warming up at last metallic tin is above such as 240 ℃, metallic tin will melt, the edge band frame of upper glass embeds under action of gravitation between the edge band frame of lower-glass, and upholder and upper glass close contact, the metallic tin of melting are with two glass cementations together; Stopped heating, with stove cooling, brazing metal tin hermetic welds together two blocks of glass, opens fire door and obtains required low latitude glass.
Adopt the edge band frame, can be easy to utilize low melting point metal or alloy to realize the solder bonding metal of low latitude 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 low latitude glass that one scope of automatically regulating is arranged, upholder can be eliminated the impact of toughened glass distortion by mechanical workout, so upholder can link together two blocks of glass reliably.
Embodiment 3: referring to Fig. 3, one in two blocks of glass of low latitude glass are simple glass, another piece is 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 low latitude 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 0.7mm; Secondly lower-glass is 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; Upper glass is sent into High Temperature Furnaces Heating Apparatus, and heating makes edge band frame sintering curing; Again and at the upper and lower upholder of printing simultaneously on glass, upholder is that minimum unit is that the dot matrix of equilateral triangle is arranged, and the leg-of-mutton length of side is 80mm, and upholder is strip, and its length is that 2 mm, width are 0.60mm, highly are 0.5mm; Upper and lower upholder vertical pile, the mutual chimeric difference of altitude of eliminating the upholder that causes because of the glass tempering distortion; Fill low temperature glass solder between two edge band frames with lower-glass, two glass consistencies from top to bottom are stacked together, reserve certain exhaust-duct, send in the high temperature edge sealing stove; High temperature edge sealing stove and accessory has basic heating system and local heating system; Utilize first at last basic heating system heating, 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 under action of gravitation between two edge band frames of lower-glass, the low temperature glass solder of melting with two glass cementations together, the upholder of upper glass and lower-glass is in contact with one another, chimeric, sintering curing is together; Stopped heating, with stove cooling, low temperature glass solder hermetic welds together two blocks of glass, opens fire door and obtains required low latitude glass.
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. the dull and stereotyped low latitude of tempering glass, it is characterized in that, comprise: upper and lower glass, described upper and lower glass is sheet glass, and described upper glass is simple glass, and described lower-glass is toughened glass, the periphery of the face of weld of described lower-glass has two edge band frames at least, the periphery of described upper glass and described lower-glass welds together by solder, forms the low dead level of a sealing between described upper glass and the described lower-glass, has in the described low dead level to be the upholder that dot matrix is arranged.
2. the dull and stereotyped low latitude of tempering according to claim 1 glass, it is characterized in that the dull and stereotyped low latitude of described tempering 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 low dead level of two sealings with described sheet glass.
3. the dull and stereotyped low latitude of tempering according to claim 1 glass 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. the dull and stereotyped low latitude of tempering according to claim 1 glass is characterized in that the air pressure in the described low dead level is 0.02 ~ 0.07MPa.
5. the dull and stereotyped low latitude of tempering according to claim 1 glass is characterized in that the difference of altitude that above support causes because of the glass tempering distortion by the mechanical workout elimination.
6. the dull and stereotyped low latitude of tempering according to claim 1 glass is characterized in that above support adopts mould printing cryogenic glass powder or low temperature glass solder preparation.
7. the dull and stereotyped low latitude of tempering according to claim 1 glass 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. the dull and stereotyped low latitude of tempering according to claim 1 glass, 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 the dull and stereotyped low latitude of each described tempering of claim 1 to 8 glass is characterized in that it comprises when the material of upholder is cryogenic glass powder:
The first step according to the shape of the dull and stereotyped low latitude of the tempering of required making glass 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, if the edge band frame is arranged on the upper glass, after then 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, edge band frame or upholder to upper glass in High Temperature Furnaces Heating Apparatus carry out high temperature sintering curing, lower-glass is carried out tempering process;
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 eutectic 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 high temperature edge sealing stove;
The 4th step was heated to more than the melt temperature of solder described high temperature edge sealing stove, reached 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 high temperature edge sealing stove obtains the dull and stereotyped low latitude of required tempering 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 the dull and stereotyped low latitude of each described tempering of claim 1 to 8 glass 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 dull and stereotyped low latitude of the tempering of required making glass 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, if the edge band frame is arranged on the upper glass, after then 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, the edge band frame to upper glass in High Temperature Furnaces Heating Apparatus carries out high temperature sintering curing, lower-glass is carried out tempering process;
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 the lower-glass, and described two glass consistencies from top to bottom are stacked together, leave the exhaust-duct between two glass, then send in the high temperature edge sealing stove;
The 4th step was heated to more than the melt temperature of solder described high temperature edge sealing stove, reached 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, and upholder also links together two blocks of glass; Stopped heating, with stove cooling, solder hermetic welds together two blocks of glass, the fire door of opening high temperature edge sealing stove obtains the dull and stereotyped low latitude of required tempering 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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| CN201210075604.3A CN102951788B (en) | 2012-03-21 | 2012-03-21 | Strengthened flat board low latitude glass and preparation method thereof |
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| CN201210075604.3A CN102951788B (en) | 2012-03-21 | 2012-03-21 | Strengthened flat board low latitude glass and preparation method thereof |
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| CN1126504A (en) * | 1993-06-30 | 1996-07-10 | 悉尼大学 | Methods of construction of evacuated glazing |
| CN1128320A (en) * | 1995-07-25 | 1996-08-07 | 金广亨 | Vacuum plate glass and its manufacturing method |
| EP1657396A2 (en) * | 2004-11-11 | 2006-05-17 | Saint-Gobain Glass France | Insulating glass unit |
| CN101050056A (en) * | 2006-04-05 | 2007-10-10 | 罗建超 | New method and equipment for preparing vacuum glass faceplate |
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