CN104743842A - Vacuum glass laminated at high temperature and production method thereof - Google Patents
Vacuum glass laminated at high temperature and production method thereof Download PDFInfo
- Publication number
- CN104743842A CN104743842A CN201310721458.1A CN201310721458A CN104743842A CN 104743842 A CN104743842 A CN 104743842A CN 201310721458 A CN201310721458 A CN 201310721458A CN 104743842 A CN104743842 A CN 104743842A
- Authority
- CN
- China
- Prior art keywords
- glass
- vacuum
- solder
- temperature
- furnace
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
Landscapes
- Joining Of Glass To Other Materials (AREA)
Abstract
The invention relates to a vacuum glass laminated at high temperature, which comprises an upper glass and a lower glass, the upper glass and the lower glass are plane glass or convex glass, the upper glass and the lower glass are rapidly heated and laminated at high temperature, the circumference can be welded together by pressurizing through a glass solder or a metal solder in a vacuum furnace, an enclosing vacuum layer is formed between the upper glass and the lower glass, and the supporters with lattice arrangement are arranged in the vacuum layer. The vacuum glass and its production method have the advantages that the process is simple and the production efficiency is high, the prepared vacuum glass can eliminate the stress of the sealed edge and can keep the toughening characteristic of the toughened glass, so that toughened vacuum glass can be massively produced, and usage life is increased.
Description
Technical field
The present invention relates to glass post-processing technical field, particularly relate to a kind of high temperature and close vacuum glass of sheet and preparation method thereof.
Background technology
Vacuum glass, as a kind of novel glass of most energy-saving potential, through the research and development of more than ten years, now achieves large-scale production, and especially building field obtains good application in a lot of fields, but also there is obvious weak point, mainly production efficiency is low, production capacity is little, can not toughened vacuum glass etc. be produced, limit its applying in a wider context, the production technique that existing vacuum glass large-scale production is employing high temperature (430-480 DEG C) normal pressure lower sealing edge, low temperature (180-300 DEG C) vacuumizes rear sealing, owing to needing insulation for some time at edge sealing temperature, being generally 15-20min, fully melt flowing bonding to make solder and then obtain higher sealing strength and resistance to air loss, so toughened glass will be annealed in edge sealing process under high temperature and long duration of action, although the initial stress of toughened glass can be done very highly also can only obtain half tempered vacuum glass, toughened vacuum glass another major cause not fertile is the planeness problem of glass, glass can produce the distortion of 0.1-0.3% in toughening process, its deformation quantity is far longer than the thickness of vacuum glass vacuum layer, if there is planeness not high enough (particularly toughened glass) in process of production in vacuum glass, solder thickness is inconsistent, heat the factor such as uneven in edge sealing process and will cause edge sealing sealing-off, resistance to air loss is bad and can not get vacuum glass, lower-glass also can be caused to can not get upholder fully and uniformly support, vacuumizing final vacuum glass will make the local of glass produce very large stress under the effect of the every square meter of air about 10 tons of pressure, these stress the edge of glass show more obvious, and the edge position that to be glass the weakest, under the long term of these edge sealing stress, stressed larger vacuum glass will break and cause damaging, and not only affects the work-ing life of vacuum glass, and may bring safety problem.
Summary of the invention
Technical problem to be solved by this invention is the defect being to exist for existing vacuum glass, a kind of high temperature is provided to close vacuum glass of sheet and preparation method thereof, this vacuum glass and preparation method thereof technique is simple, production efficiency is high, prepared vacuum glass not only can reduce or eliminate edge sealing stress but also can keep the tempering characteristic of toughened glass, can be mass-produced toughened vacuum glass, and can increase its work-ing life.
In order to solve the problems of the technologies described above, the invention provides the vacuum glass that a kind of high temperature closes sheet, comprise glass and lower-glass, it is characterized in that described upper glass and described lower-glass are flat glasss, described upper glass and described lower-glass are simple glass or toughened glass or semi-tempered glass, and described upper glass and described lower-glass at high temperature close sheet after process furnace rapid heating, its periphery adds pressure by glass solder and welds together in vacuum oven; By thermal compression welding, eliminate the variable anamorphic of glass, glass is shaped in using state, reduce and eliminate edge sealing stress; The vacuum layer that between described upper glass and described lower-glass, formation one is closed, has the upholder in lattice arrangement in described vacuum layer.
In order to solve the problems of the technologies described above, the invention provides the preparation method of area vacuum glass or plane toughened vacuum glass, comprising:
The first step, according to the shape of the area vacuum glass of required making and two pieces of flat glasss up and down of size cutting desired size, and carries out edging, chamfering, cleaning and drying treatment to upper and lower two blocks of glass;
Second step, at least one block of glass makes upholder, upper glass, lower-glass is sent in High Temperature Furnaces Heating Apparatus or annealing furnace and carries out high temperature or tempering process subsequently;
3rd step, at the weld even spread glass solder of lower-glass periphery, upper and lower glass is sent in process furnace respectively, adopt the mode of rapid heating, make upper and lower glass in 0.5-30min, be heated to 150-450 DEG C but lower than the temperature of fusion 5-50 DEG C of solder, upper and lower glass at high temperature carried out conjunction sheet;
4th step, glass closes to send in the pre-vacuum chamber of vacuum oven after sheet and carries out forvacuum, and the glass after forvacuum is sent in the vacuum chamber of vacuum oven, the temperature of vacuum chamber and the temperature of solder close, but lower than the temperature of solder; Then opening infrared heater makes the temperature of solder be increased to rapidly more than the temperature of fusion of solder; After solder fusing, glass is sent in the pressurized compartment of vacuum oven, and under solder fusing state, pressurize to upper and lower glass, glass evenly and is fully contacted with solder or upholder, applied pressure is about the pressure of air until solder solidification; After solder tentatively solidifies, enter in the cooling room of vacuum oven, pressurization can also be continued, until solder solidifies completely to glass in cooling room;
5th step, glass hermetic welds together by the solder of solidification, obtains vacuum glass; Vacuum glass enters normal pressure cool furnace from cooling room and continues to be cooled to room temperature.
Wherein, described upper glass and described lower-glass are flat glass or convex glass, or convex glass.
Further, described convex glass convex surface facing outside, after described convex surface relies on glass hot mastication self gravity, formed by the blast of cooling air when mould applied pressure or tempering, the high 0.1mm that is not less than of convex surface bow, be preferably 1 ~ 200mm, more preferably 3 ~ 10mm.
Further, in the vacuum layer of described convex surface vacuum glass not or have a small amount of upholder, convex surface vacuum glass mainly relies on convex shape to resist barometric point.
Wherein, described upper glass and described lower-glass are simple glass or toughened glass or semi-tempered glass.
Wherein, described upper glass and described lower-glass are simple glass or coated glass or Low-E glass.
Wherein, also have intermediate glass between described upper glass and described lower-glass, described upper glass and described lower-glass and described intermediate glass form two closed vacuum layer;
Further, described intermediate glass has one to several piece, and described upper glass and described lower-glass and described intermediate glass form two and above vacuum layer.
Wherein, in order to place the random flowing after preventing solder fusing and loss, improve Edge strength, resistance to air loss, reliability and attractive in appearance, the weld of described glass have sealed strip and or sealing groove;
Further, described upper glass and or the weld of intermediate glass at least containing a sealed strip, described lower-glass and or intermediate glass weld at least containing a sealing groove and or two sealed strips;
Further, described upper glass with or intermediate glass sealed strip and described lower-glass and or intermediate glass sealing groove and or sealed strip corresponding, described upper glass and or the sealed strip of intermediate glass can insert described lower-glass and or intermediate glass sealing groove neutralization or sealed strip between;
Further, described sealed strip adopts printing, printing or the mode such as mechanically spraying cryogenic glass powder or toughened glass ink to prepare;
Further, described sealing groove is formed by mechanical workout or laser processing, and preferred mechanical processing mode, as mechanical mill, mechanical cutting etc.
Wherein, described glass solder is low temperature glass solder or glass powder with low melting point, and the temperature of fusion of described glass solder is 350-480 DEG C, and be preferably 380-450 DEG C, described material is existing commercial commodity.
Wherein, described glass solder can be replaced by brazing metal;
Further, described brazing metal comprises low-temperature metal solder and solder, and the temperature of fusion of described brazing metal is 150-480 DEG C, and be preferably 250-380 DEG C, described material is existing commercial commodity, as metallic tin and alloy etc. thereof.
Further, the shape of described brazing metal is powdery, strip, sheet or bulk, ring-type, tubulose or paste etc. or the liquid for fusing.
Further, have metal paste coating between described brazing metal and described glass or described sealed strip, metal paste contributes to combining closely of brazing metal and glass, and described material is existing commercial commodity, as silver slurry etc.
Wherein, above support is made up of metal, pottery, glass or high molecular polymer, matrix material, preferably adopts printing, some glue or sprayed glass ink or polymkeric substance preparation; Above support can be prepared before glass tempering, also can prepare after glass tempering.
Wherein, above support has one deck or two-layer; Above support is printed on one block of glass, or is printed on two blocks of glass, and conventional vacuum glass is preferably printed on one block of glass, and toughened vacuum glass is preferably printed on two blocks of glass; Above support can make at normal temperatures, also can at high temperature make.
Wherein, above support is column, or is strip; When upholder is printed on one block of glass, preferably cylindric; When upholder is printed on two blocks of glass simultaneously, be preferably strip, and vertical pile.
Wherein, described process furnace can be batch kiln or continuous furnace, preferred continuous furnace.
Wherein, described process furnace can have one to several heating chamber, a preferred 3-5 heating chamber, as described in upper glass, lower-glass rapid heating and close the operation such as sheet and preferably carry out in respective heating chamber, with improve production efficiency and product quality; The heating system of described heating chamber can adopt the mode of Hot-blast Heating or resistive heating (Infrared Heating) as nichrome wire, electrothermal tube, hot plate etc., can also adopt microwave heating; Preferred employing hot blast and infrared rays combined heat, the preferred near infrared ray of infrared rays and middle infrared (Mid-IR), selectivity heating glass solder, makes the temperature of temperature lower than glass solder of glass, keeps the tempering characteristic of toughened glass further; When heating Low-e glass, also can adopt FAR INFRARED HEATING, due to the existence of low-radiation film, the temperature of glass can be made to be starkly lower than the temperature of solder;
Further, when described solder is brazing metal, described process furnace is atmosphere heating furnace, and described atmosphere is non-oxidizing gas, as argon gas, nitrogen etc.;
Further, the rapid heating of described upper glass, lower-glass, in the short period of time, as 0.5-30min, preferred 0.5-10min, more preferably 0.5-3min, described upper and lower glass and glass solder are heated to the temperature of a setting, as 100-500 DEG C, be preferably 180-480 DEG C, thus toughened glass can not be caused obviously to anneal;
Further, described conjunction sheet heating chamber is by described upper glass by devices such as high-temperature vacuum sucker, mechanical manipulators, relies on measurement, location dispatch control system at high temperature, as 180-480 DEG C, is combined with described lower-glass;
Wherein, described vacuum oven is continuous vacuum stove, comprises the unit such as pre-vacuum chamber, vacuum chamber, pressurized compartment and cooling room; The conveying of glass preferably adopts the roller-way structure being similar to annealing furnace.
Further, the described temperature of vacuum oven pre-vacuum chamber and the temperature close of glass, but be not less than the temperature of glass, maintenance pressure is 1-100Pa, and the glass residence time is preferably 0.5-5min; Glass after forvacuum is sent in the vacuum chamber of vacuum oven, the temperature of vacuum chamber and the temperature of solder close, but lower than the temperature of solder; The pressure of vacuum chamber is 0.01-0.1Pa, and the time is 0.5-5min; Then opening infrared heater makes the temperature of solder be increased to rapidly more than the temperature of fusion of solder; After solder fusing, glass is sent in the pressurized compartment of vacuum oven, and under solder fusing state, pressurize to upper and lower glass, glass evenly and is fully contacted with solder or upholder, applied pressure is about the pressure of air until solder solidification; The temperature of pressurized compartment is lower than the temperature of fusion 20-100 DEG C of solder, and the pressure of pressurized compartment is 0.01-0.1Pa, and the time is 0.5-5min; After solder tentatively solidifies, enter in the cooling room of vacuum oven, pressurization can also be continued, until solder solidifies completely to glass in cooling room; The temperature of cooling room is lower than the temperature of fusion 100-200 DEG C of solder, and the pressure of cooling room is 10-1000Pa, and the time is 0.5-5min;
Further, described vacuum oven pressurized compartment, be that described glass closes after sheet and carries out pressurizeing and cooling in pressurized compartment, pressurization object is the variable anamorphic making the described upper and lower glass of elimination, makes described upper and lower glass obtain fully and uniformly supporting of solder or upholder; The pressure of described pressurization is about the pressure of air, is preferably 0.1MPa; Described pressurization can adopt the pressuring method and corresponding device that mechanical pressurization, air pressure, hydraulic pressure etc. are conventional; The time remaining of described pressurization is to solder solidification sizing, and namely described upper and lower glass sizing is in using state, thus eliminates edge sealing stress.
Wherein, described vacuum oven heating, can adopt infrared heating, also can adopt other suitable heating unit or heater meanses.
Further, described heating, can heat bulk glass, also can local heating solder.
Wherein, in order to simplify the difficulty of vacuum edge sealing, adding pressure and directly carrying out after the edge sealing of described upper glass and described lower-glass can close sheet in described process furnace, described process furnace increases pressurization cooling room; Reserved bleeding point on described upper glass, described bleeding point utilizes intensification fusing, the cooling solidification automatic-sealed of solder in a vacuum furnace; Described vacuum oven is intermittent vacuum stove or continuous vacuum stove, and the heating system of described vacuum oven, can heat bulk glass, also can local heating bleeding point;
Further, the structure of described bleeding point can adopt the mode with hydraulic seal structure, as being similar to the sealed structure of drain trap, water seal floor drain etc., also can adopt the structure of applicant any one bleeding point published, the simple tapered hole of structure can also be adopted, utilize the solder of viscosity higher directly to seal; Described bleeding point can heat separately in vacuum oven, to reduce the temperature head between solder;
Further, described bleeding point has one to several, be preferably 1-4, pieces of glass can arrange one, structural glass can arrange 4, respectively arranges one at each edge, can accelerate pumping efficiency more than at least 4 times and can improve the vacuum tightness of vacuum glass, and then reduce costs, improve production capacity and performance;
Further, described solder comprises glass solder and brazing metal, when described solder is brazing metal, the glass surface contacted has the metal pulp bed of material with described solder.
Wherein, the conveniently installation of described vacuum glass, described vacuum glass can also have open holes, and described open holes has one to several, and be preferably 1-4, pieces of glass can arrange one, and structural glass can arrange 4, respectively arranges one at each edge;
Further, described in there is open holes its making method of vacuum glass both can adopt the described making method without bleeding point vacuum glass, have the making method of bleeding point vacuum glass described in can adopting again.
Beneficial effect of the present invention:
The present invention uses for reference the rapid heating principle of annealing furnace, respectively rapid heating is carried out to the monolithic glass of vacuum glass, not only drastically increase production efficiency, compared with reheating with after conjunction sheet, its heating rate can improve tens times, and can by the progressively intensification of multi-work-station, make within the time shorten of toughened glass under the high temperature of welding temperature to several minutes even a minute, effectively maintain the tempering characteristic of toughened glass, solve the difficult problem that existing toughened glass is annealed in edge sealing process, also existing vacuum glass production process is solved long, production efficiency is low, the problem that production capacity is little, especially toughened vacuum glass is extensive to achieve vacuum glass, the production of low cost, solder is heat temperature raising when open, can make the thoroughly volatilization such as gas, moisture, organism contained in solder, prevent solder because affecting its resistance to air loss containing pore, it also avoid organism and be deposited in vacuum chamber the pollution that vacuum glass produces, the present invention uses for reference the production principle of doubling glass, before solder solidification, the glass after high temperature conjunction sheet is pressurizeed, effectively can eliminate the variable anamorphic of lower-glass, especially the arcuate deformation of toughened glass, enable lower-glass be supported thing fully and uniformly support, avoid produce stress concentration, under the effect of the pressure, solder fully contacts with glass, bond, and the sealing of edge is more evenly reliable, can obtain higher sealing strength and resistance to air loss, applied pressure be a normal atmosphere, applying time until solder solidifies completely, shape when making lower-glass be fixed to work, thus reduce even to eliminate edge sealing stress, avoid vacuum glass breaking and the self-destruction of toughened vacuum glass in use, thus can extend the work-ing life of vacuum glass, prevent the generation of security incident, thermal compression welding, can also reduce welding temperature, shorten weld interval, keep the tempering characteristic of toughened glass further, thermal compression welding, can also improve the planeness of vacuum glass, reduces and eliminates optical distortion.
Accompanying drawing explanation
Fig. 1 is area vacuum glass structure schematic diagram of the present invention;
Fig. 2 is the convex surface vacuum glass structural representation with bleeding point;
Fig. 3 is the area vacuum glass structure schematic diagram with open holes and intermediate glass.
In figure: 1. go up glass, 2. lower-glass, 3. upholder, 4. glass solder, 5. sealed strip, 6. sealing groove, 7. brazing metal, 8. silver slurry, 9. bleeding point or open holes, 10. seal gum, 11. product brands, 12. protective casings, 13. intermediate glasss.
Embodiment
Below adopt embodiment and accompanying drawing to describe embodiments of the present invention in detail, to the present invention, how utilisation technology means solve technical problem whereby, and the implementation procedure reaching technique effect can fully understand and implement according to this.
Embodiment 1: see Fig. 1, vacuum glass is made up of upper glass 1 and lower-glass 2, two blocks of glass are toughened glass or semi-tempered glass, wherein one piece or low emissivity glass, its making method is as follows: first according to one piece of flat glass and one block of low emissivity glass of the shape of made vacuum glass and size cutting desired size, low emissivity glass is selected to be lower-glass 2, in the periphery weld membrane removal of lower-glass 2, and carry out edging, chamfering and cleaning, drying, the lower surface of upper glass 1 utilize dispensing technology make upholder 3; Secondly two blocks of glass are sent in annealing furnace and carry out wind-cooling reinforcing, obtain tempering or semi-tempered glass; Again by the weld even spread glass solder 4 of lower-glass 2 periphery, and two blocks of glass are sent in process furnace respectively; Process furnace can adopt the structure and heating system that are similar to annealing furnace, and heating system can adopt Hot-blast Heating, Infrared Heating or both combined heats; Process furnace has 3 heating chambers, in order to reach energy-conservation, timesaving effect, each heating chamber can also comprise one to several station, the temperature of each station is different and gradually change, the temperature in heating chamber is made to form gradient, glass can be controlled in 0.2-2min in the residence time of each station, and namely glass can be controlled within one minute in the time length of top temperature; Wherein first, second heating chamber heats upper glass 1 and lower-glass 2 respectively, within 1-5 minute, glass and solder is heated to design temperature, as 320-420 DEG C; Then lower-glass 2 is transported to the 3rd heating chamber and namely closes sheet heating chamber, in conjunction sheet heating chamber, utilize mechanical manipulator to be stacked together by two pieces of glass consistencies from top to bottom, the temperature of this heating chamber lower than the temperature of fusion of solder, as remained on 300-400 DEG C; Finally send in continuous vacuum stove, vacuum oven comprises several working cells such as pre-vacuum chamber, vacuum chamber, pressurized compartment and cooling room, and each unit is control temperature, pressure and other parameters respectively, completes vacuumizing and sealing of vacuum glass; After cooling room cooling, vacuum glass just can enter in the cool furnace under normal pressure and continue to be cooled to whole technological process.
Embodiment 2: see Fig. 2, convex surface vacuum glass is made up of upper glass 1 and lower-glass 2, and the periphery of two blocks of glass is welded together by glass solder 4, and centre is vacuum layer.Its making method is as follows: first according to the shape of made vacuum glass and two pieces of flat glasss of size cutting desired size, bore a through hole at the edge of upper glass 1 and form bleeding point 9, edging, chamfering and cleaning, drying are carried out to upper lower-glass, mechanical spraying technology is utilized to prepare sealed strip 5 at the periphery weld of upper lower-glass and the periphery of bleeding point 9 and corresponding position, and on upper lower-glass, prepare upholder 3 with point gum machine, the surface of the sealed strip contacted with brazing metal and glass makes silver slurry layer 8; Secondly upper and lower two blocks of glass are loaded mould, are placed in bending furnace, be warming up to the temperature 550-750 DEG C of Glass Transition, rely on the gravity of glass self to make glass form convex surface downwards, be down to room temperature with stove, and by the method for plane lapping, upholder 3 be machined to same level height; Again by even spread glass solder 4 between two sealed strips 5 of lower-glass 2 periphery, and two blocks of glass are sent in process furnace respectively; Process furnace can adopt the structure and heating system that are similar to annealing furnace, and heating system can adopt Hot-blast Heating, Infrared Heating or both combined heats; Process furnace has 4 heating chambers, in order to reach energy-conservation, timesaving effect, each heating chamber can also comprise one to several station, the temperature of each station is different and gradually change, the temperature in heating chamber is made to form gradient, glass can be controlled in 0.2-2min in the residence time of each station, and namely glass can be controlled within one minute in the time length of top temperature; Wherein first, second heating chamber heats upper glass 1 and lower-glass 2 respectively, glass and glass solder is heated to the melt temperature 430-480 DEG C of solder within 1-5 minute; Then lower-glass 2 is transported to the 3rd heating chamber and namely closes sheet heating chamber, in conjunction sheet heating chamber, utilize mechanical manipulator to be stacked together by two pieces of glass consistencies from top to bottom, the glass solder 4 of melting by two pieces of glass cementations together, the temperature of this heating chamber can lower than the temperature of fusion of solder, as remained on 300-450 DEG C; The glass closed after sheet is transported to the 4th heating chamber and pressurized, heated room, uniform pressurization is carried out to glass, keeps lower temperature in this heating chamber, as 280-380 DEG C, in the process of pressurization, glass is lowered the temperature rapidly, after glass solder 4 solidifies, two blocks of glass are hermetic welded together; Finally in bleeding point 9, load brazing metal 7, send in vacuum oven, vacuum oven can be selected intermittent vacuum stove, can put into the vacuum glass of tens to hundreds of sheet at every turn, also can select continuous vacuum stove, utilizes several vacuum chamber to carry out monolithic and vacuumizes and heating operation; By intermittent vacuum stove evacuation to below 0.1Pa, be warming up to the melt temperature of brazing metal 7 as more than 300 DEG C, brazing metal 7 is fused into liquid retention between two sealed strips 5 of lower-glass 2, the sealed strip 5 of upper glass 1 also floods in a liquid, and liquid is by bleeding point 9 self-sealing; Stop heating, with stove cooling, brazing metal 7 condenses into solid, realizes airtight sealing to bleeding point, obtains vacuum glass.Seal gum 10 is put into while hot as butyl rubber, the product brand 11 of covering above of seal gum 10, the upper surface flush of trade mark 11 and upper glass 1 in bleeding point.
Embodiment 3: see Fig. 3, the two vacuum layer glass of plane is by upper glass 1, intermediate glass 13 and lower-glass 2 form, at least go up in three blocks of glass, lower-glass is toughened glass or semi-tempered glass, wherein lower-glass 2 or and intermediate glass 13 or low emissivity glass, its making method is as follows: first according to the shape of the two vacuum layer glass of the plane of required making and three pieces of flat glasss of size cutting desired size, at upper glass 1, it is open holes 9 that the edge of intermediate glass 13 and lower-glass 2 bores a through hole, the through hole wherein gone up on glass 1 is greater than the through hole on intermediate glass 13, sealing groove 6 is offered at intermediate glass 13 and the upper surface periphery of lower-glass 2 and the periphery of open holes 9 and corresponding position, and edging is carried out to three blocks of glass, chamfering, cleaning, drying treatment, secondly print at upper glass 1 and the lower surface periphery of intermediate glass 13 and the periphery of open holes 9 and corresponding position and prepare sealed strip 5, the lower surface of upper glass 1 and the upper surface of lower-glass 2 print or puts glue and prepare upholder 3, make silver slurry layer 8 at sealed strip and sealing groove surface subsequently, high temperature sintering is carried out to the sealed strip 5 of intermediate glass 13, two blocks of upper and lower glass are carried out tempering process, again respectively the upholder 3 on upper and lower glass is machined to same level height by the method for mechanical workout, brazing metal 7 is evenly filled by the sealing groove of intermediate glass 13 and lower-glass 2 periphery, and three blocks of glass are sent in atmosphere heating furnace respectively, atmosphere heating furnace adopts argon gas or nitrogen protection, process furnace can adopt the structure and heating system that are similar to annealing furnace, and heating system can adopt Hot-blast Heating, Infrared Heating or both combined heats, process furnace has 4 heating chambers, in order to reach energy-conservation, timesaving effect, each heating chamber can also comprise one to several station, the temperature of each station is different and gradually change, the temperature in heating chamber is made to form gradient, glass can be controlled in 0.2-2min in the residence time of each station, and namely glass can be controlled within one minute in the time length of top temperature, wherein first, second and the 3rd heating chamber heat upper glass 1, intermediate glass 13 and lower-glass 2 respectively, within 1-5 minute, glass and solder are heated to design temperature, then lower-glass 2 is transported to the 4th heating chamber and namely closes sheet heating chamber, in conjunction sheet heating chamber, utilize mechanical manipulator to be stacked together by three pieces of glass consistencies from top to bottom, the temperature of this heating chamber lower than the temperature of fusion of solder, as remained on 300-400 DEG C, finally send in continuous vacuum stove, vacuum oven comprises several working cells such as pre-vacuum chamber, vacuum chamber, pressurized compartment and cooling room, and each unit is control temperature, pressure and other parameters respectively, completes vacuumizing and sealing of vacuum glass, after cooling room cooling, vacuum glass just can enter in the cool furnace under normal pressure and continue cooling.Seal gum 10 is put into while hot as butyl rubber and protective casing 12, the product brand 11 of covering above of seal gum 10, the upper surface flush of trade mark 11 and upper glass 1 in open holes.
All above-mentioned this intellecture properties of primary enforcement, not setting restriction this product innovation of other forms of enforcement and/or novel method.Those skilled in the art, based on the amendment of foregoing, can realize similar implementation status.But all modifications or transformation belong to the right of reservation based on product innovation of the present invention.
The above is only preferred embodiment of the present invention, and be not restriction the present invention being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solution of the present invention content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (10)
1. the vacuum glass of a high temperature conjunction sheet, comprise glass and lower-glass, it is characterized in that described upper glass and described lower-glass are flat glass or convex glass, described upper glass and described lower-glass are simple glass or toughened glass or semi-tempered glass, and described upper glass and described lower-glass at high temperature close sheet after process furnace rapid heating, its periphery adds pressure by glass solder or brazing metal and welds together in vacuum oven; By thermal compression welding, eliminate the variable anamorphic of glass, glass is shaped in using state, reduce and eliminate edge sealing stress; The vacuum layer that between described upper glass and described lower-glass, formation one is closed, has the upholder in lattice arrangement in described vacuum layer.
2. vacuum glass according to claim 1, it is characterized in that described upper glass and described lower-glass have intermediate glass, described intermediate glass has one to several piece.
3. vacuum glass according to claim 1 and 2, it is characterized in that the weld of described upper glass and described lower-glass and described intermediate glass have sealed strip and or sealing groove.
4. the vacuum glass according to any one of claims 1 to 3, is characterized in that described vacuum glass has bleeding point or open holes.
5. vacuum glass according to claim 4, it is characterized in that adding pressure after the edge sealing of described vacuum glass closes sheet in described process furnace directly carries out, described bleeding point utilizes intensification fusing, the cooling solidification automatic-sealed of solder in a vacuum furnace.
6. vacuum glass according to claim 4, its making method of vacuum glass described in it is characterized in that with open holes both can adopt the described making method without bleeding point vacuum glass, had the making method of bleeding point vacuum glass described in can adopting again.
7. the preparation method of the vacuum glass described in any one of claim 1 to 6, is characterized in that: described area vacuum glass is conventional vacuum glass or toughened vacuum glass, and preparation method is as follows:
The first step, according to the shape of the area vacuum glass of required making and two pieces of flat glasss up and down of size cutting desired size, and carries out edging, chamfering, cleaning and drying treatment to upper and lower two blocks of glass;
Second step, at least one block of glass makes upholder, upper glass, lower-glass is sent in High Temperature Furnaces Heating Apparatus or annealing furnace and carries out high temperature or tempering process subsequently;
3rd step, at the weld even spread glass solder of lower-glass periphery, upper and lower glass is sent in process furnace respectively, adopt the mode of rapid heating, make upper and lower glass in 0.5-30min, be heated to 150-450 DEG C but lower than the temperature of fusion 5-50 DEG C of solder, upper and lower glass at high temperature carried out conjunction sheet;
4th step, glass closes to send in the pre-vacuum chamber of vacuum oven after sheet and carries out forvacuum, and the glass after forvacuum is sent in the vacuum chamber of vacuum oven, the temperature of vacuum chamber and the temperature of solder close, but lower than the temperature of solder; Then opening infrared heater makes the temperature of solder be increased to rapidly more than the temperature of fusion of solder; After solder fusing, glass is sent in the pressurized compartment of vacuum oven, and under solder fusing state, pressurize to upper and lower glass, glass evenly and is fully contacted with solder or upholder, applied pressure is about the pressure of air until solder solidification; After solder tentatively solidifies, enter in the cooling room of vacuum oven, pressurization can also be continued, until solder solidifies completely to glass in cooling room;
5th step, glass hermetic welds together by the solder of solidification, obtains vacuum glass; Vacuum glass enters normal pressure cool furnace from cooling room and continues to be cooled to room temperature.
8. the preparation method of vacuum glass according to claim 7, is characterized in that described process furnace or vacuum oven can be batch furnace or continuous furnace, preferred continuous furnace.
9. the preparation method of vacuum glass according to claim 7, is characterized in that the time of described process furnace heating glass is 0.5-3min.
10. the preparation method of vacuum glass according to claim 7, it is characterized in that the pressure of described pressurization is 0.1MPa, the time length of described pressurization is till solder solidifies completely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310721458.1A CN104743842A (en) | 2013-12-25 | 2013-12-25 | Vacuum glass laminated at high temperature and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310721458.1A CN104743842A (en) | 2013-12-25 | 2013-12-25 | Vacuum glass laminated at high temperature and production method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104743842A true CN104743842A (en) | 2015-07-01 |
Family
ID=53584212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310721458.1A Withdrawn CN104743842A (en) | 2013-12-25 | 2013-12-25 | Vacuum glass laminated at high temperature and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104743842A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017101479A1 (en) * | 2015-12-15 | 2017-06-22 | 洛阳兰迪玻璃机器股份有限公司 | Method for manufacturing tempered vacuum glass and production line therefor |
| CN112811832A (en) * | 2021-04-06 | 2021-05-18 | 无锡市江松科技有限公司 | Vacuum glass processing method and processing production line |
| CN113146263A (en) * | 2021-03-31 | 2021-07-23 | 嘉兴市华杰机械有限公司 | Connecting method of stamping parts, hot press and manufactured parts |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0624810A (en) * | 1992-07-07 | 1994-02-01 | Bridgestone Corp | Manufacture of laminated glass |
| CN102241473A (en) * | 2010-05-12 | 2011-11-16 | 王世忠 | Production method and equipment of toughened vacuum glass |
| CN102863158A (en) * | 2011-07-05 | 2013-01-09 | 洛阳兰迪玻璃机器股份有限公司 | Vacuum glass sealing method and device |
| CN102951820A (en) * | 2012-10-06 | 2013-03-06 | 戴长虹 | Vacuum glass and preparation method thereof |
| CN103420574A (en) * | 2013-07-17 | 2013-12-04 | 戴长虹 | Plain vacuum glass with edges and extraction opening both sealed with sealing grooves as well as preparation method of same |
| CN103420587A (en) * | 2013-07-17 | 2013-12-04 | 戴长虹 | Vacuum convex glass welded with seal grooves and mounting holes |
| CN103420591A (en) * | 2013-07-17 | 2013-12-04 | 戴长虹 | Vacuum flat glass welded with seal strips, seal grooves and mounting holes |
| CN103420586A (en) * | 2013-07-17 | 2013-12-04 | 戴长虹 | Plane vacuum glass with sealing grooves and mounting holes through metal welding |
| CN103420576A (en) * | 2013-07-17 | 2013-12-04 | 戴长虹 | Plane vacuum glass with sealing strip and mounting hole welded in glass |
| CN103420626A (en) * | 2013-07-17 | 2013-12-04 | 戴长虹 | Vacuum convex glass provided with sealing grooves and mounting hole through metal welding |
| CN103420625A (en) * | 2013-07-17 | 2013-12-04 | 戴长虹 | Vacuum plane glass provided with sealing strips and mounting hole through metal welding |
| CN103420577A (en) * | 2013-07-17 | 2013-12-04 | 戴长虹 | Plane double vacuum layer glass with sealing groove and mounting hole welded in glass |
| CN103420628A (en) * | 2013-07-17 | 2013-12-04 | 戴长虹 | Plane double-vacuum-layer glass with sealing strips and grooves and mounting holes through metal welding |
| CN103420627A (en) * | 2013-07-17 | 2013-12-04 | 戴长虹 | Double-vacuum layer convex glass with sealing strips and mounting holes through metal welding |
-
2013
- 2013-12-25 CN CN201310721458.1A patent/CN104743842A/en not_active Withdrawn
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0624810A (en) * | 1992-07-07 | 1994-02-01 | Bridgestone Corp | Manufacture of laminated glass |
| CN102241473A (en) * | 2010-05-12 | 2011-11-16 | 王世忠 | Production method and equipment of toughened vacuum glass |
| CN102863158A (en) * | 2011-07-05 | 2013-01-09 | 洛阳兰迪玻璃机器股份有限公司 | Vacuum glass sealing method and device |
| CN102951820A (en) * | 2012-10-06 | 2013-03-06 | 戴长虹 | Vacuum glass and preparation method thereof |
| CN103420574A (en) * | 2013-07-17 | 2013-12-04 | 戴长虹 | Plain vacuum glass with edges and extraction opening both sealed with sealing grooves as well as preparation method of same |
| CN103420587A (en) * | 2013-07-17 | 2013-12-04 | 戴长虹 | Vacuum convex glass welded with seal grooves and mounting holes |
| CN103420591A (en) * | 2013-07-17 | 2013-12-04 | 戴长虹 | Vacuum flat glass welded with seal strips, seal grooves and mounting holes |
| CN103420586A (en) * | 2013-07-17 | 2013-12-04 | 戴长虹 | Plane vacuum glass with sealing grooves and mounting holes through metal welding |
| CN103420576A (en) * | 2013-07-17 | 2013-12-04 | 戴长虹 | Plane vacuum glass with sealing strip and mounting hole welded in glass |
| CN103420626A (en) * | 2013-07-17 | 2013-12-04 | 戴长虹 | Vacuum convex glass provided with sealing grooves and mounting hole through metal welding |
| CN103420625A (en) * | 2013-07-17 | 2013-12-04 | 戴长虹 | Vacuum plane glass provided with sealing strips and mounting hole through metal welding |
| CN103420577A (en) * | 2013-07-17 | 2013-12-04 | 戴长虹 | Plane double vacuum layer glass with sealing groove and mounting hole welded in glass |
| CN103420628A (en) * | 2013-07-17 | 2013-12-04 | 戴长虹 | Plane double-vacuum-layer glass with sealing strips and grooves and mounting holes through metal welding |
| CN103420627A (en) * | 2013-07-17 | 2013-12-04 | 戴长虹 | Double-vacuum layer convex glass with sealing strips and mounting holes through metal welding |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017101479A1 (en) * | 2015-12-15 | 2017-06-22 | 洛阳兰迪玻璃机器股份有限公司 | Method for manufacturing tempered vacuum glass and production line therefor |
| EP3392214A4 (en) * | 2015-12-15 | 2018-12-19 | Luoyang Landglass Technology Co., Ltd. | Method for manufacturing tempered vacuum glass and production line therefor |
| JP2019500307A (en) * | 2015-12-15 | 2019-01-10 | ルオヤン ランドグラス テクノロジー カンパニー リミテッド | Steel-making vacuum glass manufacturing method and production line thereof |
| AU2016369739B2 (en) * | 2015-12-15 | 2020-01-16 | Luoyang Landglass Technology Co., Ltd. | Manufacturing method and production line of one type of tempered vacuum glass |
| CN113146263A (en) * | 2021-03-31 | 2021-07-23 | 嘉兴市华杰机械有限公司 | Connecting method of stamping parts, hot press and manufactured parts |
| CN113146263B (en) * | 2021-03-31 | 2023-02-17 | 嘉兴市华杰机械有限公司 | Connecting method of stamping parts, hot press and manufactured parts |
| CN112811832A (en) * | 2021-04-06 | 2021-05-18 | 无锡市江松科技有限公司 | Vacuum glass processing method and processing production line |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104743897A (en) | Metal-welded sealed plain vacuum glass with edges sealed by sealing grooves and manufacturing method thereof | |
| CN104743842A (en) | Vacuum glass laminated at high temperature and production method thereof | |
| CN104743805A (en) | High-temperature-sheet-combination sealed convex vacuum glass with edges sealed by sealing grooves and sealing strips and manufacturing method thereof | |
| CN104743900A (en) | Metal-welded sealed convex vacuum glass with edges sealed by sealing strips and manufacturing method thereof | |
| CN104743895A (en) | Metal-welded sealed convex vacuum glass with edges sealed by sealing grooves and sealing strips and manufacturing method thereof | |
| CN104743789A (en) | High-temperature-sheet-combination sealed plain vacuum glass with edges sealed by sealing grooves and manufacturing method thereof | |
| CN104743850A (en) | Glass-welded sealed convex vacuum glass with edges and extraction openings sealed by sealing strips and production method thereof | |
| CN104743825A (en) | High-temperature-sheet-combination convex vacuum glass provided with edges sealed by sealing grooves and provided with mounting hole(s) | |
| CN104743804A (en) | High-temperature-sheet-combination sealed convex double-vacuum-layer glass with edges sealed by sealing grooves and sealing strips | |
| CN104743796A (en) | High-temperature-sheet-combination plain vacuum glass provided with edges sealed by sealing grooves and sealing strips and provided with mounting hole(s) | |
| CN104743902A (en) | Metal-welded sealed plain vacuum glass with edges sealed by sealing strips and manufacturing method thereof | |
| CN104743845A (en) | Convex vacuum glass by glass welding at sealed edge of sealing grooves and strips and production method thereof | |
| CN104743847A (en) | Convex vacuum glass by glass welding at sealed edge of sealing groove and production method thereof | |
| CN104743788A (en) | High-temperature-sheet-combination sealed convex vacuum glass with edges sealed by sealing grooves and manufacturing method thereof | |
| CN104743810A (en) | High-temperature-sheet-combination sealed plain double-vacuum-layer glass provided with edges sealed by sealing strips and manufacturing method thereof | |
| CN104743783A (en) | Metal-welded sealed convex vacuum glass with edges sealed by sealing grooves and manufacturing method thereof | |
| CN104743830A (en) | Glass-welded convex vacuum glass with edges sealed by sealing strips and manufacturing method thereof | |
| CN104743782A (en) | High-temperature-sheet-combination sealed convex vacuum glass with edges sealed by sealing strips and manufacturing method thereof | |
| CN104743809A (en) | High-temperature-sheet-combination sealed plain double-vacuum-layer glass with edges sealed by sealing grooves and manufacturing method thereof | |
| CN104743787A (en) | High-temperature-sheet-combination sealed plain vacuum glass with edges sealed by sealing grooves and sealing strips and manufacturing method thereof | |
| CN104743794A (en) | High-temperature-sheet-combination plain double-vacuum-layer glass provided with edges sealed by sealing grooves and provided with mounting hole(s) | |
| CN104743781A (en) | High-temperature-sheet-combination sealed convex double-vacuum-layer glass provided with edges sealed by sealing strips and manufacturing method thereof | |
| CN104743816A (en) | High-temperature-sheet-combination plain double-vacuum-layer glass provided with edges sealed by sealing strips and provided with mounting hole(s) | |
| CN104743808A (en) | High-temperature-sheet-combination plain vacuum glass provided with edges sealed by sealing grooves and provided with mounting hole(s) | |
| CN104743807A (en) | High-temperature-sheet-combination sealed plain double-vacuum-layer glass provided with edges sealed by sealing grooves and sealing strips |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20150701 |