CN102951788B - Strengthened flat board low latitude glass and preparation method thereof - Google Patents
Strengthened flat board low latitude glass and preparation method thereof Download PDFInfo
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- CN102951788B CN102951788B CN201210075604.3A CN201210075604A CN102951788B CN 102951788 B CN102951788 B CN 102951788B CN 201210075604 A CN201210075604 A CN 201210075604A CN 102951788 B CN102951788 B CN 102951788B
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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
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- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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Abstract
The invention provides a kind of strengthened flat board low latitude glass, comprising: upper glass, lower glass, described upper glass be simple glass, described lower glass be safety glass, the periphery of the solder side of described lower glass at least two edge band frames, the periphery of described upper glass and described lower glass is welded together by solder, form a low dead level closed between described upper glass and described lower glass, in described low dead level, have the supporter in lattice arrangement.The manufacture method technique of this low latitude glass of the present invention is simple, and prepared tempering low latitude glass can overcome deficiency of the prior art, and is capable of mass production.
Description
Technical field
The present invention relates to glass working arts field, particularly relate to a kind of tempering flat board low latitude glass and preparation method thereof.
Background technology
Along with the reinforcement of environmental protection and energy saving consciousness, double glazing has obtained popularization and application widely, is effectively increased the insulation of door and window, sound insulation property.Distance between the two panels plate glass of double glazing, the i.e. thickness of air layer determines insulation, the effect of sound insulation, and air layer is the thickest, then insulation and defening effect are the best, but the thickness increasing air layer can increase the thickness of sash, thus can increase the cost of manufacture of door and window；Other method such as uses coated glass, pad pasting and in measures such as double glazing central filler noble gases, though there being certain effect, but cost is the highest, is not suitable for commonly used.
Existing double glazing is mostly to separate the periphery glass with organic sealant sealing by the interval box with desiccant in the middle of the glass more than two panels or two panels.Owing to organic fluid sealant self contains the reasons such as moisture, ageing resistace is poor, air-tightness is bad, cause double glazing that failure phenomenon often occurs, had a strong impact on the service life of double glazing.
Air in double glazing air layer is sealed between two blocks of glass, change due to ambient temperature, the pressure that can cause air layer changes, during ambient temperature height, pressure is more than atmospheric pressure, glass evagination, when ambient temperature is low, pressure is less than atmospheric pressure, glass indent, produce so-called " breathing " phenomenon, thus affect the normal service life of double glazing.
Summary of the invention
The technical problem to be solved is the defect being to exist for existing double glazing, a kind of low pressure double glazing---tempering low latitude glass and preparation method thereof is provided, the manufacture method technique of this low latitude glass is simple, prepared tempering low latitude glass can overcome the deficiency of existing double glazing, can effectively ensure that the air-tightness of low latitude glass, increase the service life, and intensity and heat insulation, sound insulation value can be increased.
In order to solve above-mentioned technical problem, the invention provides a kind of tempering flat board low latitude glass, comprising: upper and lower glass, described upper and lower glass is plate glass, described upper glass is simple glass, described lower glass is safety glass, the periphery of the solder side of described lower glass at least two edge band frames, the periphery of described upper glass and described lower glass is welded together by solder, form a low dead level closed between described upper glass and described lower glass, in described low dead level, have the supporter in lattice arrangement.
Wherein, described low dead level is low latitude glass at high temperature edge sealing, is down to self-assembling formation after room temperature, and the air pressure in described low dead level is determined by the fusing point of solder, generally 0.01 ~ 0.09MPa, preferably 0.02 ~ 0.07MPa.
Wherein, described tempering flat board low latitude glass can also include that one flat plate glass, described plate glass are clipped between described upper glass and described lower glass, and described upper glass and described lower glass form two low dead levels closed respectively with described plate glass.
Further, a periphery at least edge band frame in described upper glass solder face, periphery at least two edge band frames in described lower glass solder face.
Wherein, described edge band frame is made by the way of printing or spraying, preferably employ mould printing cryogenic glass powder or low temperature glass solder is made, the glass glaze that melt temperature is 550 ~ 750 DEG C that described cryogenic glass powder is the most commercially available, the most commercially available melt temperature of described low temperature glass solder is about the crown glass solder of 450 DEG C.
Wherein, described mode of printing is to use silk screen printing or mould printing or the method for printer, is imprinted on glass by cryogenic glass powder and forms the fin being raised in glass surface.
Wherein, the preparation of described edge band frame, can be one-step print, it is also possible to be repeatedly to print.
Wherein, the highly preferred of described edge band frame is 0.1～10mm, more preferably 0.5～2mm, and width is preferably 0.2～5mm, and more preferably 1～2mm.
Wherein, described solder includes 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 the crown glass solder of 450 DEG C, described low-melting-point metal or the preferred stannum of solder or ashbury metal, zinc or kirsite, magnesium or magnesium alloy, its shape or form are paste, powder, thread or foil-like.
Wherein, above support is made up of metal, pottery or glass, it is preferred to use prepared by mould printing cryogenic glass powder or low temperature glass solder.
Wherein, above support is printed on one block of glass, or is printed on two blocks of glass.
Wherein, above support is cylindric, or is strip；When supporter is only printed on one block of glass, the most cylindric；When supporter is printed on two blocks of glass simultaneously, preferably strip, and vertical pile.
Wherein, above support minimum unit can be the lattice arrangement of equilateral triangle, and the length of side of triangle is about 30～300mm, preferably 50～150mm；Supporter is strip, its a length of 0.3～5.0 mm, preferably 0.5～2.0 mm, width is 0.1～2.0mm, is preferably 0.2～1.0mm, being highly 0.1～10.0mm, be preferably 0.5～3.0mm, the height of supporter is higher than the height 0.1～2.0mm of edge band frame, is preferably 0.1～0.5mm；Supporter can also be cylindric, it is a diameter of 0.1～3.0mm, preferably 0.3～2.0mm years old, being highly 0.1～5.0 mm, be preferably 0.5～3.0mm, the height of supporter closes sheet rear support thing position spatial altitude 0～0.3 mm higher than upper and lower two blocks of glass, is preferably 0.1～0.2mm.
Wherein, when above support is printed before edge band frame sinters, its material is preferably cryogenic glass powder；When above support is printed after edge band frame sinters, its material is preferably low temperature glass solder.
Wherein, when above support is printed before glass tempering, the height after its tempering is all not less than set height；The most machined, such as turning, grinding etc., above support is machined to set height, to eliminate because glass tempering deforms the difference in height of the supporter caused.
Wherein, when above support is printed after glass tempering, its dried height is all not less than set height；When above support is only imprinted on one block of glass, if its dried top is not in set plane, then can be machined, such as turning, grinding etc., the top of above support is machined in set plane；When above support is imprinted on two blocks of glass simultaneously, if its dried top is not in set plane, then can be not required to processing, the supporter on two blocks of glass can be entrenched togather mutually.
In order to solve above-mentioned technical problem, the invention provides the preparation method of above-mentioned tempering flat board low latitude glass, when the material of supporter is cryogenic glass powder, comprising:
The first step, cuts two blocks of plate glass of required size, and carries out edging, chamfering according to the shapes and sizes of the tempering flat board low latitude glass of required making, cleaning, dried；
Second step, stencil printing techniques and cryogenic glass powder is utilized to prepare edge band frame and supporter on the solder side of glass after treatment, if there being edge band frame on upper glass, after then ensureing upper and lower glass alignment, the edge band frame of upper glass can be embedded between the edge band frame of lower glass, the most after drying, in high temperature furnace on the edge band frame of glass or supporter carry out high temperature sintering solidification, lower glass is carried out tempering process；
3rd step, the supporter on glass obtain second step carries out machining, its top is made to be positioned at set plane, eutectic solder is loaded between the edge band frame of glass, and described two pieces of glass consistencies from top to bottom are stacked together, leave exhaust passage between two glass, be then fed in high temperature edge sealing stove；
4th step, is heated to more than the melt temperature of solder to described high temperature edge sealing stove, reaches 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；Stopping heating, lower the temperature with stove, two blocks of glass are hermetic welded together by solder, and the fire door opening high temperature edge sealing stove obtains required tempering flat board low latitude glass.
When the melt temperature of described solder is more than 320 DEG C, for solving the problem that safety glass is annealed because welding temperature is too high, high temperature edge sealing stove can have basic heating system and hot spot system, basis heating system can adopt the mode being heated by resistive such as heating wire, electrothermal tube, electric hot plate etc., and high temperature edge sealing furnace interior and glass are heated to a basal temperature；The modes such as recycling resistance heating, infrared heating, LASER HEATING, Electromagnetic Heating, microwave heating carry out local and heat the periphery i.e. edge sealing position of glass, reach the purpose that solder is heated to melt at short notice.
In order to solve above-mentioned technical problem, the invention provides the preparation method of above-mentioned tempering flat board low latitude glass, when the material of supporter is low temperature glass solder, comprising:
The first step, cuts two blocks of plate glass of required size, and carries out edging, chamfering according to the shapes and sizes of the tempering flat board low latitude glass of required making, cleaning, dried；
Second step, stencil printing techniques and cryogenic glass powder is utilized to prepare edge band frame on the solder side of glass after treatment, if there being edge band frame on upper glass, after then ensureing upper and lower glass alignment, the edge band frame of upper glass can be embedded between the edge band frame of lower glass, the most after drying, in high temperature furnace on the edge band frame of glass carry out high temperature sintering solidification, lower glass is carried out tempering process；
3rd step, stencil printing techniques and low temperature glass solder is utilized to prepare supporter on the solder side of the glass obtained by second step, solder is loaded between edge band frame on lower glass, and described two pieces of glass consistencies from top to bottom are stacked together, leave exhaust passage between two glass, be then fed in high temperature edge sealing stove；
4th step, is heated to more than the melt temperature of solder to described high temperature edge sealing stove, reaches 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 two blocks of glass are also linked together by supporter；Stopping heating, lower the temperature with stove, two blocks of glass are hermetic welded together by solder, and the fire door opening high temperature edge sealing stove obtains required tempering flat board low latitude glass.
When the melt temperature of described solder is more than 320 DEG C, for solving the problem that safety glass is annealed because welding temperature is too high, high temperature edge sealing stove can have basic heating system and hot spot system, basis heating system can adopt the mode being heated by resistive such as heating wire, electrothermal tube, electric hot plate etc., and high temperature edge sealing furnace interior and glass are heated to a basal temperature；The modes such as recycling resistance heating, infrared heating, LASER HEATING, Electromagnetic Heating, microwave heating carry out local and heat the periphery i.e. edge sealing position of glass, reach the purpose that solder is heated to melt at short notice.
Beneficial effects of the present invention:
The low latitude glass of the present invention is a kind of glass between double glazing and vacuum glass, utilizes high temperature edge sealing to seal, and automatically forms low pressure air layer after being down to room temperature between upper and lower glass.Compared with double glazing, replace organic adhesive and room temperature edge sealing with inorganic solder and high temperature edge sealing, drastically increase sealing property and extend service life；The rarefaction of air of low dead level, hydrone and oxygen equal size are lower, not only will not haze, frosting, and alleviate the oxidation of low-radiation film, and thin air also makes heat insulation and sound insulation value is more preferable；The air pressure of low dead level is consistently less than atmospheric pressure, so not having " breathing " phenomenon.Compared with existing vacuum glass, it is not necessary to evacuation, few with or without supporter, production technology is simpler, cost is lower, and the pressure that glass bears during using is less, and service life is longer.
Under the low latitude glass of the present invention, the periphery of glass contains edge band frame, the edge sealing making low latitude glass is easier, by to the machining of glass tempering rear support thing or make the mutual tabling of upper and lower supporter, eliminate the difference in height of the supporter caused because glass tempering deformation；The the most chimeric of edge band frame ensure that glass sealing effectiveness under deformation up and down, have more higher bond strength than solder between edge band frame and upper and lower glass, increase sealing area and airtight layer thickness between upper and lower glass, adhesive force and the adhesive strength of sealing-in are greatly reinforced it, add, the tightness of low dead level between lower glass, improve the life-span of low latitude glass, achieve one-step method mass and prepare low latitude glass, promote the industrialized production of low latitude glass, drastically increase productivity ratio and the qualification rate of low latitude glass, reduce the production cost of low latitude glass.
Accompanying drawing explanation
Fig. 1 is the low latitude glass structure schematic diagram of the present invention；
Fig. 2 is the low latitude glass structure schematic diagram that the glass up and down of the present invention all has edge band frame；
Fig. 3 is the low latitude glass structure schematic diagram that the glass up and down of the present invention all has supporter.
In figure: 1. go up glass, 2. descend glass, 3. solder, 4. descend the edge band frame on glass, 5. go up the edge band frame of glass, 6. descend the supporter on glass, 7. go up the supporter on glass.
Detailed description of the invention
The invention provides a kind of tempering flat board low latitude glass, it includes, upper and lower glass, described upper and lower glass is plate glass, and described upper glass is simple glass, and described lower glass is safety glass, the periphery of the solder side of described lower glass at least two edge band frames, the periphery of described upper glass and described lower glass is welded together by solder, forms a low dead level closed, have the supporter in lattice arrangement in described low dead level between described upper glass and described lower glass.
Described low dead level be at high temperature edge sealing, be down to self-assembling formation after room temperature, the air pressure in described low dead level by solder fusing point determine, generally 0.01 ~ 0.09MPa, preferably 0.02 ~ 0.07MPa.
The highly preferred of described edge band frame is 0.1～10mm, more preferably 0.1～1mm, and width is preferably 0.2～5mm, and more preferably 1.0～2.0mm.
Several steam vent can be left on described edge band frame, described steam vent can be closed after described solder melts.
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 having the upper surface of the central flat glass of plate glass of two low dead levels, identical with described lower glass, when the lower surface of described plate glass, identical with described upper glass.
When described upper glass at least contains an edge band frame, 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 mutually entrenched togather, low dead level is carried out labyrinth sealing, described edge band frame is when having the upper surface of the central flat glass of plate glass of two low dead levels, identical with described lower glass, when the lower surface of described plate glass, identical with described upper glass.
Described edge band frame is made by the way of squeezing, etching or print, and described edge band frame includes fin and groove, it is preferred to use mould printing cryogenic glass powder is made.
Described squeezing mode is to be loaded by plate glass in the inner surface mold cavity with depression or protruding lines, after high-temperature process makes Glass Transition, plate glass is applied pressure, and the periphery at plate glass forms fin and groove.
Described etching mode is known prior art, utilizes method for printing screen that acid-proof ink is printed on plate glass and is not required to the place of etching, groove with corrosive acids such as Fluohydric acid .s by not having on plate glass at acid-proof ink to corrode.
Described mode of printing is to use silk screen printing or mould printing or the method for printer, is imprinted on plate glass by cryogenic glass powder and forms the fin being raised in surface of plate glass.
Time prepared by described edge band frame, can be one-step print, it is also possible to be repeatedly to print.
Described tempering flat board low latitude glass can also include that one flat plate glass, described plate glass are clipped between described upper glass and described lower glass, and described upper glass and described lower glass form two low dead levels closed respectively with described plate glass.
Described tempering flat board low latitude glass may further include polylith plate glass, thus comprises the low dead level of multiple closing.
Described edge sealing temperature is preferably 150～550 DEG C, is further preferably 290～350 DEG C when using low-melting-point metal or solder；Further it is preferably 380～470 DEG C when using low temperature glass solder.
The material of above support is low temperature glass, metal, pottery, glass or plastics, preferably low temperature glass.
Above support minimum unit can be the lattice arrangement of equilateral triangle, and the length of side of triangle is about 20～100mm, preferably 30～50mm；Supporter is strip, its a length of 0.3～5.0 mm, preferably 0.5～2.0 mm, width is 0.1～2.0mm, is preferably 0.2～1.0mm, being highly 0.1～10.0mm, be preferably 0.2～3.0mm, the height of supporter is higher than the height 0.1～2.0mm of edge band frame, is preferably 0.1～0.5mm；Supporter can also be cylindric, its a diameter of 0.1～3.0mm, be preferably 0.3～2.0mm, height be 0.1～5.0 mm, be preferably 0.5～3.0mm.
When supporter is printed on one block of glass, the most cylindric；When supporter is printed on upper and lower two blocks of glass simultaneously, preferably strip.
When supporter is printed before edge band frame sinters, preferably cryogenic glass powder is made；When supporter is printed after edge band frame sinters, preferably low temperature glass solder is made.
When glass all has strip supporter up and down, supporter vertical pile supports, glass is still point cantact by supporter up and down, and between supporter and glass, it is linear contact lay, increase contact area, reduce glass tensile stress at support, it is possible to reduce the quantity of supporter, thus improve the heat insulation of glass and sound insulation value further.
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 safety glass, or semi-tempered glass, or Low emissivity safety glass, or Low emissivity semi-tempered glass.
Described solder includes that low temperature glass solder and low-melting-point metal or solder, described solder are placed in the middle of the edge band frame of glass.
The invention provides a kind of tempering flat board low latitude glass, comprising: upper and lower glass, described upper and lower glass is plate glass, described upper glass is simple glass, described lower glass is safety glass, the periphery of the solder side of described lower glass at least two edge band frames, and the periphery of described upper glass and described lower glass is welded together by solder, form a low dead level closed between described upper glass and described lower glass, in described low dead level, have the supporter in lattice arrangement.
The invention provides the preparation method of above-mentioned tempering flat board low latitude glass, when the material of supporter is cryogenic glass powder, comprising:
The first step, cuts two blocks of plate glass of required size, and carries out edging, chamfering according to the shapes and sizes of the tempering flat board low latitude glass of required making, cleaning, dried；
Second step, stencil printing techniques and cryogenic glass powder is utilized to prepare edge band frame and supporter on the solder side of glass after treatment, if there being edge band frame on upper glass, after then ensureing upper and lower glass alignment, the edge band frame of upper glass can be embedded between the edge band frame of lower glass, the most after drying, in high temperature furnace on the edge band frame of glass or supporter carry out high temperature sintering solidification, lower glass is carried out tempering process；
3rd step, the supporter on glass obtain second step carries out machining, its top is made to be positioned at set plane, eutectic solder is loaded between the edge band frame of glass, and described two pieces of glass consistencies from top to bottom are stacked together, leave exhaust passage between two glass, be then fed in high temperature edge sealing stove；
4th step, is heated to more than the melt temperature of solder to described high temperature edge sealing stove, reaches 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；Stopping heating, lower the temperature with stove, two blocks of glass are hermetic welded together by solder, and the fire door opening high temperature edge sealing stove obtains required tempering flat board low latitude glass.
When the melt temperature of described solder is more than 320 DEG C, for solving the problem that safety glass is annealed because welding temperature is too high, high temperature edge sealing stove can have basic heating system and hot spot system, basis heating system can adopt the mode being heated by resistive such as heating wire, electrothermal tube, electric hot plate etc., and high temperature edge sealing furnace interior and glass are heated to a basal temperature；The modes such as recycling resistance heating, infrared heating, LASER HEATING, Electromagnetic Heating, microwave heating carry out local and heat the periphery i.e. edge sealing position of glass, reach the purpose that solder is heated to melt at short notice.
Described high temperature edge sealing stove or the single-unit furnace of batch production, or the tunnel kiln that continuous way produces, preferably tunnel kiln.
Atmosphere in described high temperature edge sealing stove or air, or the neutral atmosphere such as nitrogen, argon, preferably argon.
When the atmosphere in high temperature edge sealing stove is neutral atmosphere, by the transmission of gas under high temperature and exchange, moisture and oxygen content in the low dead level of low latitude glass can be reduced, thus improve the performance of low latitude glass further.
The invention provides the preparation method of above-mentioned tempering flat board low latitude glass, when the material of supporter is low temperature glass solder, comprising:
The first step, cuts two blocks of plate glass of required size, and carries out edging, chamfering according to the shapes and sizes of the tempering flat board low latitude glass of required making, cleaning, dried；
Second step, stencil printing techniques and cryogenic glass powder is utilized to prepare edge band frame on the solder side of glass after treatment, if there being edge band frame on upper glass, after then ensureing upper and lower glass alignment, the edge band frame of upper glass can be embedded between the edge band frame of lower glass, the most after drying, in high temperature furnace on the edge band frame of glass carry out high temperature sintering solidification, lower glass is carried out tempering process；
3rd step, stencil printing techniques and low temperature glass solder is utilized to prepare supporter on the solder side of the glass obtained by second step, solder is loaded between edge band frame on lower glass, and described two pieces of glass consistencies from top to bottom are stacked together, leave exhaust passage between two glass, be then fed in high temperature edge sealing stove；
4th step, is heated to more than the melt temperature of solder to described high temperature edge sealing stove, reaches 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 two blocks of glass are also linked together by supporter；Stopping heating, lower the temperature with stove, two blocks of glass are hermetic welded together by solder, and the fire door opening high temperature edge sealing stove obtains required tempering flat board low latitude glass.
When the melt temperature of described solder is more than 320 DEG C, for solving the problem that safety glass is annealed because welding temperature is too high, high temperature edge sealing stove can have basic heating system and hot spot system, basis heating system can adopt the mode being heated by resistive such as heating wire, electrothermal tube, electric hot plate etc., and high temperature edge sealing furnace interior and glass are heated to a basal temperature；The modes such as recycling resistance heating, infrared heating, LASER HEATING, Electromagnetic Heating, microwave heating carry out local and heat the periphery i.e. edge sealing position of glass, reach the purpose that solder is heated to melt at short notice.
Hereinafter using embodiment and accompanying drawing to describe embodiments of the present invention in detail, to the present invention, how application technology means solve technical problem whereby, and the process that realizes reaching technique effect can fully understand and implement according to this.
Embodiment 1: see Fig. 1, one piece of two blocks of glass of low latitude glass are simple glass, another block is safety glass or semi-tempered glass, its manufacture method is as follows: first cut the one flat plate glass of required size and one block of low emissivity glass according to the shapes and sizes of made low latitude glass, carry out edging, chamfering, clean, after drying, weld at upper glass falls a bigger angle, lower glass utilize printing technology cryogenic glass powder cream is printed two edge band frames, the width of each edge band frame is 1.5mm, interior edge band frame height is 0.6mm, covering edge strip frame height is 1.6mm；Secondly lower glass being sent into annealing furnace, the high temperature action lower sealing edge bar frame at annealing furnace softens melted together with glassy bond, carries out wind-cooling reinforcing immediately, obtains tempering or the semi-tempered glass with edge band frame；And utilize low temperature glass solder to print supporter on up or down glass, supporter be minimum unit be the lattice arrangement of equilateral triangle, the length of side of triangle is 70mm, supporter is cylindric, its a diameter of 0.6mm, height are 0.8mm, by eliminating because glass tempering deforms the difference in height caused, the height of supporter is higher than the height 0.2mm of interior edge band frame；Again will load the low temperature glass solder that fusing point is 450 DEG C between two edge band frames of lower glass, the upper surface of low temperature glass solder is between the height of inside and outside edge band frame, and two pieces of glass consistencies from top to bottom are stacked together, reserved exhaust passage, sending in high temperature edge sealing stove, high temperature edge sealing stove has basic heating system and hot spot system；Finally first with basis heating system heats, after basal temperature rises to 300 DEG C, low temperature glass solder in edge band frame is heated to melt temperature more than 450 DEG C by recycling hot spot system such as far infra-red heater, and supporter first softens and bonded together by two blocks of glass, re-sinters solidification；The solder side of upper glass low temperature glass solder under gravity and between two edge band frames of lower glass is in close contact, two blocks of glass are bonded together by melted low temperature glass solder, stop heating, lower the temperature with stove, two blocks of glass are hermetic welded together by low temperature glass solder, open fire door and obtain required low latitude glass.
Supporter uses low temperature glass solder to make, and has relatively low sintering temperature so that it is can soften under relatively low heating-up temperature, sinter, and by means of its slightly higher height so that it is upper and lower glass reliably can be bonded together, thus play effective supporting role.
nullEmbodiment 2: see Fig. 2，One piece of two blocks of glass of low latitude glass are simple glass，Another block is safety glass or semi-tempered glass，One of or low emissivity glass，Two blocks of glass are respectively provided with edge band frame，Its manufacture method is as follows: first cut the one flat plate glass of required size and one block of low emissivity glass according to the shapes and sizes of made low latitude glass，Carry out edging、Chamfering，Clean、After drying，Two blocks of glass utilize screen printing technique that cryogenic glass powder cream is printed to edge band frame，Wherein go up glass and have an edge band frame、Lower glass has two edge band frames，The size of upper glazing gasket bar frame is between two edge band frames of lower glass，After glass closes sheet up and down，The edge band frame of upper glass can be embedded between two edge band frames of lower glass，The width of each edge band frame is 1.5mm、It is highly 0.6mm；And utilize on lower glass cryogenic glass powder print supporter, supporter be minimum unit be the lattice arrangement of equilateral triangle, the length of side of triangle is 70mm, and supporter is cylindric, its a diameter of 0.6mm, height be 0.8mm；Secondly upper glass sent into high temperature furnace, and heating makes edge band frame sintering curing；Annealing furnace sent into by lower glass, high temperature action lower sealing edge bar frame at annealing furnace softens melted together with glassy bond with supporter, carry out wind-cooling reinforcing immediately, obtain that there is edge band frame and the tempering of supporter or semi-tempered glass, by eliminating because glass tempering deforms the difference in height caused, supporter is carried out machining, makes its top be in sustained height by cutting or grinding；Again will fill brazing metal glass putty between two edge band frames of lower glass or spread tinfoil paper or stannum silk, and two pieces of glass consistencies from top to bottom are stacked together and leave certain aerofluxus space, send in high temperature edge sealing stove；Finally it is warming up to more than the melting temperature of metallic tin such as 240 DEG C, metallic tin will melt, the edge band frame of upper glass embeds between the edge band frame of lower glass under gravity, and supporter is in close contact with upper glass, and two blocks of glass are bonded together by melted metallic tin；Stopping heating, lower the temperature with stove, two blocks of glass are hermetic welded together by brazing metal stannum, open fire door and obtain required low latitude glass.
Use edge band frame, can be readily available low-melting-point metal or alloy realizes the solder bonding metal of low latitude glass, owing to the selectable scope of brazing temperature is the biggest, so glass not only overall can be heated, and reduces the cost of heating furnace and simplifies production technology, and edge sealing temperature can be greatly lowered, shorten heat time heating time, thus reduce production cost, improve production efficiency, it is often more important that ensure that tempering or semi-tempered glass will not occur annealing phenomena in heating process.Due to being fitted together to up and down of edge band frame, can make the scope that the thickness of low latitude glass has to be automatically adjusted, supporter can eliminate the impact of safety glass deformation by machining, so two blocks of glass can reliably be linked together by supporter.
nullEmbodiment 3: see Fig. 3，One piece of two blocks of glass of low latitude glass are simple glass，Another block is safety glass or semi-tempered glass，One of or low emissivity glass，Two blocks of glass are respectively provided with edge band frame，Its manufacture method is as follows: first cut the one flat plate glass of required size and one block of low emissivity glass according to the shapes and sizes of made low latitude glass，Carry out edging、Chamfering，Clean、After drying，Two blocks of glass utilize printing technology that cryogenic glass powder cream is printed to edge band frame，Wherein go up glass and have an edge band frame、Lower glass has two edge band frames，The size of upper glazing gasket bar frame is between two edge band frames of lower glass，After glass closes sheet up and down，The edge band frame of upper glass can be embedded between two edge band frames of lower glass，The width of each edge band frame is 1.5mm、It is highly 0.7mm；Secondly lower glass being sent into annealing furnace, the high temperature action lower sealing edge bar frame at annealing furnace softens melted together with glassy bond, carries out wind-cooling reinforcing immediately, obtains tempering or the semi-tempered glass with edge band frame；High temperature furnace sent into by upper glass, and heating makes edge band frame sintering curing；Again and on upper and lower glass, print supporter simultaneously, supporter be minimum unit be the lattice arrangement of equilateral triangle, the length of side of triangle is 80mm, and supporter is strip, and its a length of 2 mm, width are 0.60mm, height is for 0.5mm；Upper and lower supporter vertical pile, mutual tabling can eliminate the difference in height of the supporter caused because of glass tempering deformation；Between two edge band frames of lower glass, fill low temperature glass solder, two pieces of glass consistencies from top to bottom are stacked together, reserve certain exhaust passage, send in high temperature edge sealing stove；High temperature edge sealing stove has basic heating system and hot spot system；Finally first with basis heating system heats, after basal temperature rises to 300 DEG C, low temperature glass solder in edge band frame is heated to melt temperature more than 450 DEG C by recycling hot spot system such as far infra-red heater, the edge band frame of upper glass embeds between two edge band frames of lower glass under gravity, two blocks of glass are bonded together by melted low temperature glass solder, upper glass contacts with each other with the supporter of lower glass, chimeric, sintering curing is together；Stopping heating, lower the temperature with stove, two blocks of glass are hermetic welded together by low temperature glass solder, open fire door and obtain required low latitude glass.
All above-mentioned primary these intellectual properties of enforcement, do not set this new product of enforcement and/or the new method limiting other forms.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 new product of the present invention.
The above, be only presently preferred embodiments of the present invention, is not the restriction that the present invention makees other form, and any those skilled in the art are changed possibly also with the technology contents of the disclosure above or are modified as the Equivalent embodiments of equivalent variations.But every without departing from technical solution of the present invention content, any simple modification, equivalent variations and remodeling above example made according to the technical spirit of the present invention, still fall within the protection domain of technical solution of the present invention.
Claims (9)
1. a tempering flat board low pressure hollow i.e. low latitude glass, including upper glass and lower glass, it is characterised in that described upper glass
Glass is ordinary plate glass, and described lower glass is tempering plate glass, the periphery in a described upper glass solder face at least envelope
Edge strip frame, periphery at least two edge band frames in described lower glass solder face, described edge band frame by printing or spraying
Mode is produced on the lower surface of described upper glass and on the upper surface of described lower glass；The edge band frame of described upper glass is fitted together to
Between the edge band frame of described lower glass, the low pressure air layer of described low latitude glass is carried out labyrinth sealing；On described
The periphery of glass and lower glass is welded together in edge sealing stove by edge band frame and the solder being entrenched togather, described
Forming a low pressure air layer closed between upper glass and lower glass, described low pressure air layer is that low latitude glass is at high temperature
Lower sealing edge, being down to self-assembling formation after room temperature, the air pressure in described low pressure air layer is 0.02 ~ 0.07MPa, described low pressure
The supporter in lattice arrangement is had in air layer.
Tempering flat board low latitude the most according to claim 1 glass, it is characterised in that described tempering flat board low latitude glass also wraps
Including one flat plate glass, described plate glass is clipped between described upper glass and described lower glass, described upper glass and described under
Glass forms two low pressure air layers closed respectively with described plate glass.
Tempering flat board low latitude the most according to claim 1 glass, it is characterised in that above support is disappeared by machining
Except deforming, because of glass tempering, the difference in height caused.
Tempering flat board low latitude the most according to claim 1 glass, it is characterised in that above support uses mould printing low
Prepared by temperature glass dust.
Tempering flat board low latitude the most according to claim 1 glass, it is characterised in that above support uses mould printing low
Prepared by temperature glass solder.
Tempering flat board low latitude the most according to claim 1 glass, it is characterised in that above support is only printed on one piece of glass
It is cylindric time on glass；Above support is strip when being printed on two blocks of glass simultaneously, and vertical pile.
Tempering flat board low latitude the most according to claim 1 glass, it is characterised in that above support sinters at edge band frame
During front printing, its material is cryogenic glass powder；When above support is printed after edge band frame sinters, its material is low temperature glass weldering
Material.
8. the preparation method of the tempering flat board low latitude glass described in claim 1, it is characterised in that when the material of supporter is low
During temperature glass dust, comprising:
The first step, cuts two pieces of flat boards of required size according to the shapes and sizes of the tempering flat board low latitude glass of required making
Glass, and carry out edging, chamfering, cleaning, dried；
Second step, the solder side of glass after treatment utilizes stencil printing techniques and cryogenic glass powder prepare edge band frame and
Supporter, if there being edge band frame on upper glass, then after ensureing upper and lower glass alignment, the edge band frame of upper glass can be fitted together to
Between the edge band frame of lower glass, the most after drying, in high temperature furnace on the edge band frame of glass or supporter carry out
High temperature sintering solidifies, and lower glass is carried out tempering process；
3rd step, the supporter on glass obtain second step carries out machining so that it is top is positioned at set plane
In, load eutectic solder between the edge band frame of glass, and described two pieces of glass consistencies from top to bottom are stacked together, two glass
Between leave exhaust passage, be then fed in high temperature edge sealing stove；
4th step, is heated to more than the melt temperature of solder to described high temperature edge sealing stove, reaches edge sealing temperature；Low temperature
Solder is melted into liquid, and under the effect of glass self gravitation, upper and lower edge band frame is entrenched togather mutually；Stop heating, with
Stove is lowered the temperature, and two blocks of glass are hermetic welded together by solder, and the fire door opening high temperature edge sealing stove obtains required steel
Change flat board low latitude glass；
When the melt temperature of described solder is more than 320 DEG C, for solving what safety glass was annealed because welding temperature is too high
Problem, high temperature edge sealing stove has basic heating system and hot spot system, basis heating system to adopt the mode being heated by resistive,
High temperature edge sealing furnace interior and glass are heated to a basal temperature；Recycling resistance heating, infrared heating, LASER HEATING, electricity
The mode of magnetic heating or microwave heating carries out local and heats the periphery i.e. edge sealing position of glass, reaches at short notice by low temperature
Solder is heated to the purpose melted.
9. the preparation method of the tempering flat board low latitude glass described in claim 1, it is characterised in that when the material of supporter is low
During temperature glass solder, comprising:
The first step, cuts two pieces of flat boards of required size according to the shapes and sizes of the tempering flat board low latitude glass of required making
Glass, and carry out edging, chamfering, cleaning, dried；
Second step, the solder side of glass after treatment utilizes stencil printing techniques and cryogenic glass powder prepare edge band frame,
If there being edge band frame on upper glass, then after ensureing upper and lower glass alignment, the edge band frame of upper glass can be embedded in lower glass
Edge band frame between, the most after drying, in high temperature furnace on the edge band frame of glass carry out high temperature sintering solidification, under
Glass carries out tempering process；
3rd step, the solder side of the glass obtained by second step utilizes stencil printing techniques and low temperature glass solder preparation support
Thing, loads solder, and is stacked together by described two pieces of glass consistencies from top to bottom between the edge band frame on lower glass, two glass
Leave exhaust passage between glass, be then fed in high temperature edge sealing stove；
4th step, is heated to more than the melt temperature of solder to described high temperature edge sealing stove, reaches edge sealing temperature；Low 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 supporter also will
Two blocks of glass link together；Stopping heating, lower the temperature with stove, two blocks of glass are hermetic welded together, beat by solder
The fire door driving high temperature edge sealing stove obtains required tempering flat board low latitude glass；
When the melt temperature of described solder is more than 320 DEG C, for solving what safety glass was annealed because welding temperature is too high
Problem, high temperature edge sealing stove has basic heating system and hot spot system, basis heating system to adopt the mode being heated by resistive,
High temperature edge sealing furnace interior and glass are heated to a basal temperature；Recycling resistance heating, infrared heating, LASER HEATING, electricity
The mode of magnetic heating or microwave heating carries out local and heats the periphery i.e. edge sealing position of glass, reaches at short notice by low temperature
Solder is heated to the purpose melted.
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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 |
| CN101492255A (en) * | 2008-01-22 | 2009-07-29 | 左树森 | Method of quickly manufacturing vacuum glass |
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Effective date of registration: 20191211 Address after: 314416 No.318, Nanjie Road, Yuanhua Town, Haining City, Jiaxing City, Zhejiang Province Patentee after: Haining Yuanhua Town Industrial Investment Co., Ltd Address before: 266033 No. 11, Fushun Road, Sifang District, Shandong, Qingdao Patentee before: Dai Changhong |