CN102951798B - The flat board tempering low latitude glass of glass solder and manufacture method thereof - Google Patents
The flat board tempering low latitude glass of glass solder and manufacture method thereof Download PDFInfo
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- CN102951798B CN102951798B CN201210075631.0A CN201210075631A CN102951798B CN 102951798 B CN102951798 B CN 102951798B CN 201210075631 A CN201210075631 A CN 201210075631A CN 102951798 B CN102951798 B CN 102951798B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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Abstract
The invention provides a kind of flat board tempering low latitude glass, comprising: upper glass, lower glass, described upper glass and described lower glass are flat board safety glass, the periphery of the solder side of described upper glass and described lower glass all has edge band frame, the periphery of described upper glass and described lower glass is welded together by solder, described solder is low temperature glass 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.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 invention belongs to low latitude glass manufacturing area, especially a kind of tempering low latitude glass and manufacture method thereof.
Background technology
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 flat board tempering low latitude glass, comprising: upper glass, lower glass, described upper glass and described lower glass are flat board safety glass, the periphery of the solder side of described upper glass and described lower glass all has edge band frame, the periphery of described upper glass and described lower glass is welded together by solder, described solder is low temperature glass 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, 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, it is preferred to use mould printing cryogenic glass powder is made, and described cryogenic glass powder is preferably the glass glaze that commercially available melt temperature is 550 ~ 750 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, when described edge band frame uses mould printing cryogenic glass powder to prepare, 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, the crown glass solder that melt temperature scope is 430～450 DEG C that described low temperature glass solder is the most commercially available.
Wherein, described flat board tempering low latitude glass can also include one flat plate glass, described plate glass is clipped between described upper glass and described lower glass, described upper glass and described lower glass form two low dead levels closed respectively with described plate glass, the lower surface of the periphery of described plate glass at least contains an edge band frame, and upper surface at least contains two edge band frames.
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 glass tempering, its material is preferably cryogenic glass powder；When above support is printed after glass tempering, its material is preferably low temperature glass solder, described low temperature glass solder can during edge sealing sintering curing.
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 flat board tempering low latitude glass, when the material of supporter is cryogenic glass powder, preparation method is as follows:
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 flat board tempering 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, and after 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 annealing furnace, it 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, 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；Described high temperature edge sealing stove has 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., hot spot system can with adopt be heated by resistive, the mode such as infrared heating, LASER HEATING, Electromagnetic Heating, microwave heating；
4th step, first use basis heating system that described high temperature edge sealing furnace interior and upper and lower glass entirety are heated to a basal temperature, use hot spot system that glass periphery position carries out local again to heat, reach the purpose that solder is heated to melt at short notice, thus reach 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 flat board tempering low latitude glass.
In order to solve above-mentioned technical problem, the invention provides the preparation method of above-mentioned flat board tempering 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 flat board tempering 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, and after 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 annealing furnace, it 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 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；Described high temperature edge sealing stove has 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., hot spot system can with adopt be heated by resistive, the mode such as infrared heating, LASER HEATING, Electromagnetic Heating, microwave heating；
4th step, first use basis heating system that described high temperature edge sealing furnace interior and upper and lower glass entirety are heated to a basal temperature, use hot spot system that glass periphery position carries out local again to heat, reach the purpose that solder is heated to melt at short notice, thus reach 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 flat board tempering low latitude glass.
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.
The periphery of the upper and lower glass of low latitude glass of the present invention contains edge band frame so that the edge sealing of low latitude glass is easier, and the most chimeric of upper and lower edge band frame ensure that glass sealing effectiveness under tempering deformation；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；By using the hot spot system of high temperature edge sealing stove, solve the annealing problems of safety glass；Have more higher bond strength than low temperature glass 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 upper and lower glass, improve the life-span of low latitude glass, achieve one-step method mass and prepare tempering low latitude glass, promote the industrialized production of tempering low latitude glass, drastically increase the productivity ratio of low latitude glass and qualification rate, reduce the production cost of low latitude glass.
Accompanying drawing explanation
Fig. 1 is the flat board tempering low latitude glass structure schematic diagram with dual-gripper thing of the present invention；
Fig. 2 is the flat board tempering low latitude glass structure schematic diagram with single supporter of the present invention.
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 flat board tempering low latitude glass, comprising: upper glass, lower glass, described upper glass and described lower glass are flat board safety glass, the periphery of the solder side of described upper glass and described lower glass all has edge band frame, the periphery of described upper glass and described lower glass is welded together by solder, described solder is low temperature glass 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.
Described flat board tempering 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 flat board tempering low latitude glass may further include polylith plate glass, thus comprises the low dead level of multiple closing.
When the material of supporter is cryogenic glass powder, the preparation method of described flat board tempering low latitude glass farther includes:
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 flat board tempering 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, and after 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 annealing furnace, it is carried out tempering process；
When the material of supporter is low temperature glass solder, described preparation method farther includes:
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 flat board tempering 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, and after 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 annealing furnace, it is carried out tempering process；
Described glass tempering temperature is preferably 550 DEG C～750 DEG C.
The crown glass solder that melt temperature is 430 DEG C～450 DEG C that described solder is the most commercially available.
Described solder is placed between two edge band frames of lower glass.
The one-step method that is formed by of the low latitude glass of described single low dead level is formed, and described one-step method refers to that the edge sealing of low latitude glass and high-temperature exhaust air complete in high temperature edge sealing stove simultaneously, and low latitude glass can be carried out batch processing.
When the material of supporter is cryogenic glass powder, described one-step method farther includes following steps:
The supporter on glass obtain second step carries out machining, make its top be positioned at set plane, load solder 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；Described high temperature edge sealing stove has 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., hot spot system can with adopt be heated by resistive, the mode such as infrared heating, LASER HEATING, Electromagnetic Heating, microwave heating；First use basis heating system that described high temperature edge sealing furnace interior and upper and lower glass entirety are heated to a basal temperature, use hot spot system that glass periphery position carries out local again to heat, reach the purpose that solder is heated to melt at short notice, thus reach 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 flat board tempering low latitude glass.
When the material of supporter is low temperature glass solder, described one-step method farther includes following steps:
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 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；Described high temperature edge sealing stove has 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., hot spot system can with adopt be heated by resistive, the mode such as infrared heating, LASER HEATING, Electromagnetic Heating, microwave heating；First use basis heating system that described high temperature edge sealing furnace interior and upper and lower glass entirety are heated to a basal temperature, use hot spot system that glass periphery position carries out local again to heat, reach the purpose that solder is heated to melt at short notice, thus reach 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 flat board tempering low latitude glass.
The one-step method forming step of one-step method forming step dead level low with the one flat plate steel low latitude glass of said two low dead level flat plate steel low latitude glass is similar
Described basis heating-up temperature range preferably from 280～320 DEG C, edge sealing temperature range preferably from 420～470 DEG C.
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.
Use the mode of automatic edge sealing in high temperature edge sealing stove, simplify technical process, reduce production cost, shorten the production cycle, improve production efficiency.
Owing to high temperature edge sealing stove has basic heating system and hot spot system, the temperature that can make glass edge is rapidly heated to welding temperature, and tempering or semi-tempered glass will not occur obvious annealing phenomena under relatively low basal temperature, in the long period and in higher local temperature, relatively short period of time, it is possible to ensure to obtain tempering or half tempered low latitude glass.
Described upper and lower glass is safety glass, or semi-tempered glass, or Low emissivity safety glass, or Low emissivity semi-tempered glass, or any two or the combination of three kinds of glass above.
The solder side periphery of described upper glass at least contains an edge band frame, and the solder side periphery of described lower glass at least contains two edge band frames.
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.
Described edge band frame is when having the upper surface of the central flat glass of flat board safety glass of two low dead levels, identical with described lower glass, when the lower surface of described plate glass, identical with described upper glass.
More than the edge band frame of described upper glass one of the edge band frame of described lower glass, the most described upper glass at least contains an edge band frame, described lower glass at least contains two edge band frames, 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, and low dead level is carried out labyrinth sealing.
The introducing of edge band frame is possible not only to limit random flowing after solder dissolves, make edge sealing the most good-looking, and play good supporting role, solder is made to keep certain thickness, strengthening sealing effectiveness, the more important thing is that the high and upper and lower glass of its heating-up temperature has more reliable bonding, rough surface and solder have stronger combination, thus improve air-tightness and the reliability of low latitude glass.
Described edge band frame is made by the way of printing, it is preferred to use mould printing cryogenic glass powder is made, and described cryogenic glass powder is preferably the crown glass glaze that commercially available melt temperature is 550 ~ 750 DEG C.
Described mode of printing is to use silk screen printing or mould printing or the method for printer, and cryogenic glass powder print or low temperature glass solder are formed on glass the fin being raised in glass surface.
When described edge band frame uses mould printing to prepare, can be one-step print, it is also possible to be repeatedly to print.
Making its melt temperature of cryogenic glass powder of edge band frame far above the solder of edge sealing, not only low price, performance are good, and have more preferable bond strength with glass；Up and down after the mutual tabling of edge band frame of glass, not only reduce the consumption of edge sealing solder, reduce the requirement to edge sealing solder, and increase inner liner thickness, improve the sealing strength of upper and lower glass, the more important thing is and can solve the buckling deformation produced in toughening process because of glass and the sealing problem brought, thus improve the qualification rate of product.
The invention provides a kind of flat board tempering low latitude glass with a low dead level closed, comprising: upper glass, lower glass, described upper glass and described lower glass are flat board safety glass, the periphery of the solder side of described upper glass and described lower glass all has edge band frame, the periphery of described upper glass and described lower glass is welded together by solder, described solder is low temperature glass 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.
One of described preparation method of flat board tempering low latitude glass of low dead level with a closing is as follows:
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 flat board tempering 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, and after 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 annealing furnace, it 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, 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；Described high temperature edge sealing stove has 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., hot spot system can with adopt be heated by resistive, the mode such as infrared heating, LASER HEATING, Electromagnetic Heating, microwave heating；
4th step, first use basis heating system that described high temperature edge sealing furnace interior and upper and lower glass entirety are heated to a basal temperature, use hot spot system that glass periphery position carries out local again to heat, reach the purpose that solder is heated to melt at short notice, thus reach 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 flat board tempering low latitude glass.
The two of the preparation method of the described flat board tempering low latitude glass with a low dead level closed are as follows:
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 flat board tempering 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, and after 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 annealing furnace, it 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 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；Described high temperature edge sealing stove has 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., hot spot system can with adopt be heated by resistive, the mode such as infrared heating, LASER HEATING, Electromagnetic Heating, microwave heating；
4th step, first use basis heating system that described high temperature edge sealing furnace interior and upper and lower glass entirety are heated to a basal temperature, use hot spot system that glass periphery position carries out local again to heat, reach the purpose that solder is heated to melt at short notice, thus reach 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 flat board tempering low latitude glass.
Present invention also offers a kind of flat board tempering low latitude glass with two low dead levels closed, comprising: upper glass, lower glass and plate glass, described plate glass is clipped between described upper glass and described lower glass, described upper glass, described lower glass and described plate glass are flat board safety glass, described upper glass, the periphery of the solder side of described lower glass and described plate glass all has edge band frame, described upper glass, the periphery of described lower glass and described plate glass is welded together by solder, described upper glass and described lower glass form two low dead levels closed respectively with described plate glass, the supporter in lattice arrangement is had in described low dead level.
The preparation method of the described flat board tempering low latitude glass with two low dead levels closed is similar with the preparation method of the described flat board tempering low latitude glass with a low dead level closed.
Present invention also offers the preparation method of a kind of flat board tempering low latitude glass with a low dead level, 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 flat board tempering 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, and after 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 annealing furnace, it 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, 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；Described high temperature edge sealing stove has 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., hot spot system can with adopt be heated by resistive, the mode such as infrared heating, LASER HEATING, Electromagnetic Heating, microwave heating；
4th step, first use basis heating system that described high temperature edge sealing furnace interior and upper and lower glass entirety are heated to a basal temperature, use hot spot system that glass periphery position carries out local again to heat, reach the purpose that solder is heated to melt at short notice, thus reach 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 flat board tempering low latitude glass.
Present invention also offers the preparation method of a kind of flat board tempering low latitude glass with a low dead level, 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 flat board tempering 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, and after 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 annealing furnace, it 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 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；Described high temperature edge sealing stove has 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., hot spot system can with adopt be heated by resistive, the mode such as infrared heating, LASER HEATING, Electromagnetic Heating, microwave heating；
4th step, first use basis heating system that described high temperature edge sealing furnace interior and upper and lower glass entirety are heated to a basal temperature, use hot spot system that glass periphery position carries out local again to heat, reach the purpose that solder is heated to melt at short notice, thus reach 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 flat board tempering low latitude glass.
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, two blocks of glass of low latitude glass are flat board safety 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 stencil printing techniques that cryogenic glass powder cream is printed to edge band frame, wherein go up glass and have two edge band frames, lower glass has three edge band frames, the size of upper glazing gasket bar frame is between lower glazing gasket bar frame, after glass closes sheet up and down, the edge band frame of upper glass can be embedded between the edge band frame of lower glass, the width of each edge band frame is 1.5mm, it is highly 0.8mm；Secondly two blocks of glass being respectively fed to annealing furnace, the high temperature action lower sealing edge bar frame annealing furnace 550 ~ 750 DEG C softens melted together with glassy bond, carries out tempering process immediately, obtains the upper and lower safety glass with edge band frame；Then the low temperature glass solder using lower sintering temperature on upper and lower glass prints supporter simultaneously, supporter be minimum unit be the lattice arrangement of equilateral triangle, the length of side of triangle is 50mm, supporter is strip, its a length of 2 mm, width are 0.60mm, height is 0.5mm, the supporter of glass is orthogonal up and down, and it is crosswise shape that upper and lower glass closes sheet rear support thing overlap；Again will load the low temperature glass solder that fusing point is 450 DEG C between three edge band frames of lower glass, and two pieces of glass consistencies from top to bottom are stacked together, reserved exhaust passage, sends in high temperature edge sealing stove, and 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, supporter first softens the difference in height automatically adapting between two blocks of glass, and it is chimeric to report to the leadship after accomplishing a task mutually, two blocks of glass are bonded together simultaneously, re-sinter solidification, 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, 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 the low temperature glass solder of lower sintering temperature to make so that it is can sinter at a temperature of edge sealing, 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.
The introducing of edge band frame is possible not only to limit random flowing after solder dissolves, make edge sealing the most good-looking, and play good supporting role, solder is made to keep certain thickness, strengthening sealing effectiveness, the more important thing is that the high and upper and lower glass of its heating-up temperature has more reliable bonding, rough surface and low temperature glass solder have stronger combination, thus improve air-tightness and the reliability of low latitude glass.
Embodiment 2: see Fig. 1, two blocks of glass are 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 two edge band frames, lower glass has three 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；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, supporter is strip, its a length of 2 mm, width are 0.60mm, height is 0.5mm, the supporter of glass is orthogonal up and down, and it is crosswise that upper and lower glass closes sheet rear support thing overlap；Secondly two blocks of glass being respectively fed to annealing furnace, the high temperature action lower sealing edge bar frame at annealing furnace softens melted together with glassy bond with supporter, carries out wind-cooling reinforcing immediately, obtains having edge band frame and the tempering of supporter or semi-tempered glass；For eliminating the difference in height of the supporter caused because of glass tempering deformation, supporter is carried out machining, makes its top be in same plane by cutting or grinding；Again between three 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, and the supporter of upper and lower glass contacts with each other, overlap is crosswise shape；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.
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；By supporter is carried out machining so that it is top is in same plane, it is ensured that the reliability of support.
Embodiment 3: see Fig. 2, two blocks of glass are 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 two edge band frames, lower glass has three 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；Secondly two blocks of glass being respectively fed to 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, the difference in height caused because of glass tempering by elimination, the height of supporter is higher than the height 0.2mm of edge band frame；Again will load the low temperature glass solder that fusing point is 450 DEG C between three edge band frames of lower glass, and two pieces of glass consistencies from top to bottom are stacked together, reserved exhaust passage, sends in high temperature edge sealing stove, and 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, supporter first softens the difference in height automatically adapting between two blocks of glass, two blocks of glass are bonded together, re-sinter solidification, 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, 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.
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 (8)
1. a flat board tempering low pressure hollow i.e. low latitude glass, including upper glass and lower glass, it is characterised in that: described upper glass
Glass and lower glass are flat board safety glass, a periphery at least edge band frame in described upper glass solder face, described lower glass
The periphery of solder side at least two edge band frames；The edge band frame of described upper glass is entrenched in the edge band frame of described lower glass
Between, the low pressure air layer of described low latitude glass is carried out labyrinth sealing；The periphery of described upper glass and lower glass passes through
The edge band frame and the low temperature glass solder that are entrenched togather weld together in edge sealing stove, between described upper glass and lower glass
Form a low pressure air layer closed, described low pressure air layer is low latitude glass at high temperature edge sealing, be down to room temperature after
Self-assembling formation, the air pressure in described low pressure air layer is 0.02 ~ 0.07MPa, has in dot matrix in described low pressure air layer
The supporter of arrangement.
2. flat board tempering low latitude as claimed in claim 1 glass, it is characterised in that described flat board tempering low latitude glass also includes
One flat plate glass, described plate glass is clipped between described upper glass and described lower glass, described upper glass and described lower glass
Glass forms two low pressure air layers closed respectively with described plate glass.
3. flat board tempering low latitude as claimed in claim 1 glass, it is characterised in that above support is printed on one block of glass
Time be cylindric, above support is strip when being printed on two blocks of glass, and vertical pile.
4. flat board tempering low latitude as claimed in claim 1 glass, it is characterised in that described edge band frame and above support are adopted
Prepare with mould printing cryogenic glass powder.
5. flat board tempering low latitude as claimed in claim 1 glass, it is characterised in that described edge band frame and above support are adopted
Prepare with mould printing low temperature glass solder.
6. flat board tempering low latitude as claimed in claim 1 glass, it is characterised in that above support by machining or on
The most mutual tabling eliminates because glass tempering deforms the difference in height caused.
7. the preparation method of the flat board tempering low latitude glass described in claim 1, it is characterised in that when the material of supporter is low
During temperature glass dust, preparation method is as follows:
The first step, cuts two pieces of flat boards of required size according to the shapes and sizes of the flat board tempering 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, and after 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 annealing furnace, it 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 solder between the edge band frame of glass, and described two pieces of glass consistencies from top to bottom be stacked together, two glass it
Between leave exhaust passage, be then fed in high temperature edge sealing stove；Described high temperature edge sealing stove has basic heating system and local heating
System, basis heating system adopt the mode being heated by resistive, hot spot system adopt be heated by resistive, infrared heating, laser
Heating, Electromagnetic Heating or the mode of microwave heating；
4th step, first uses basis heating system that described high temperature edge sealing furnace interior and upper and lower glass entirety are heated to a base
Plinth temperature, then use hot spot system glass periphery position is carried out local heat, reach at short notice by solder
It is heated to the purpose melted, thus reaches edge sealing temperature；Solder is melted into liquid, 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 by solder
Together, the fire door opening high temperature edge sealing stove obtains required flat board tempering low latitude glass.
8. the preparation method of flat board tempering low latitude as claimed in claim 1 glass, it is characterised in that when the material of supporter is
During low temperature glass solder, comprising:
The first step, cuts two pieces of flat boards of required size according to the shapes and sizes of the flat board tempering 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 after ensureing upper and lower glass alignment, the edge band frame of upper glass can be embedded between the edge band frame of lower glass, then through dry
After dry, in annealing furnace, it is carried 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 glass, two glass
Between leave exhaust passage, be then fed in high temperature edge sealing stove；Described high temperature edge sealing stove has basic heating system and local to add
Hot systems, basis heating system adopt the mode being heated by resistive, hot spot system adopt be heated by resistive, infrared heating, swash
Light heating, Electromagnetic Heating or the mode of microwave heating；
4th step, first uses basis heating system that described high temperature edge sealing furnace interior and upper and lower glass entirety are heated to a base
Plinth temperature, then use hot spot system glass periphery position is carried out local heat, reach at short notice by solder
It is heated to the purpose melted, thus reaches edge sealing temperature；Solder is melted into liquid, 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 by solder
Together, the fire door opening high temperature edge sealing stove obtains required flat board tempering low latitude glass.
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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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