CN104291697A - Metal-welded convex double-vacuum-layer glass with sealing grooves and mounting hole - Google Patents
Metal-welded convex double-vacuum-layer glass with sealing grooves and mounting hole Download PDFInfo
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- CN104291697A CN104291697A CN201310298577.0A CN201310298577A CN104291697A CN 104291697 A CN104291697 A CN 104291697A CN 201310298577 A CN201310298577 A CN 201310298577A CN 104291697 A CN104291697 A CN 104291697A
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- glass
- convex surface
- vacuum
- vacuum layer
- periphery
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
- C03C27/06—Joining glass to glass by processes other than fusing
- C03C27/08—Joining glass to glass by processes other than fusing with the aid of intervening metal
Abstract
The invention relates to metal-welded convex double-vacuum-layer glass with sealing grooves and a mounting hole. The glass comprises upper glass, lower glass, and intermediate glass. The glass is characterized in comprising the mounting hole. The upper glass and the lower glass are convex glass. The intermediate glass is planar glass. Sealing strips are provided on the peripheries of the lower surfaces of the upper glass and the intermediate glass, and on the peripheries of the mounting hole at the lower surfaces of the upper glass and the intermediate glass. Sealing grooves are provided on the peripheries of the upper surfaces of the intermediate glass and the lower glass, and on the peripheries of the mounting hole at the upper surfaces of the intermediate glass and the lower glass. The peripheries of the three pieces of glass are automatically welded together by using a metal solder in a vacuum furnace. The mounting hole is also automatically sealed by using the metal solder. Two vacuum layers are formed between the upper glass and the intermediate glass, and between the lower glass and the intermediate glass. The vacuum glass and the preparation method have simple process. The prepared vacuum glass and tempered vacuum glass are beneficial for mounting and application. Air-tightness of the vacuum glass can be ensured. Strength, thermal insulation performance and sound insulation performance of the glass can be enhanced.
Description
Technical field
The present invention relates to glass post-processing technical field, particularly relate to a kind of metal welding two vacuum layer glass of convex surface being connected to sealing groove and open holes and preparation method thereof.
Background technology
Vacuum glass is a kind of novel energy-saving glass, and vacuum glass not only can solve " breathing " problem of the double glazing of existing a large amount of use, and has that heat-and sound-insulating performance is good, wind pressure resistant strength is high, thickness is little and the advantage such as long service life.Vacuum glass is generally made up of two to three sheet glass, and form cavity between two adjacent sheet glass, the periphery of glass is provided with edge sealing structure, cavity forms vacuum layer after being pumped into vacuum.Vacuum glass is different according to the mode forming vacuum layer, can be divided into two kinds, a kind of is vacuum glass without bleeding point, and the edge sealing of this vacuum glass carries out in vacuum oven, along with completing of edge sealing, between two adjacent sheet glass the cavity self-assembling formation vacuum layer closed; Another kind is the vacuum glass having bleeding point, the edge sealing of this vacuum glass carries out in High Temperature Furnaces Heating Apparatus at ambient pressure, after edge sealing completes again by prefabricated bleeding point between glass the cavity closed vacuumize, finally terminate rear enclosed bleeding point bleeding, complete the making of vacuum glass.
A series of vacuum glass without bleeding point and preparation method thereof is disclosed in the patent of the vacuum glass that present invention applicant applied in October, 2012, but when utilizing low temperature glass solder edge sealing, because low temperature glass solder is made up of many oxide, at high temperature, under vacuum, the air of solder wettable and moisture, volatile substances in solder, in the gas that solder dissolves in process of production and solder, the decomposition etc. of partial oxide all can cause in solder and produce a large amount of bubbles, greatly weaken the properties especially resistance to air loss of solder, the feasibility of this kind of mode is caused to be greatly affected.
Vacuum glass can substitute existing single-glass and be applied to and require heat insulation and place that is sound insulation, and some installation sites need punching on glass to install, and vacuum glass obviously cannot punch when mounted thereon, otherwise can destroy its vacuum.
Summary of the invention
Technical problem to be solved by this invention is the defect being to exist for existing vacuum glass, two vacuum layer glass of the convex surface providing a kind of metal welding to be connected to sealing groove and open holes and preparation method thereof, the making method technique of this vacuum glass is simple, prepared vacuum glass and toughened vacuum glass are not only conducive to installing and using, and resistance to air loss and the transparency of vacuum glass can be ensured, and its intensity and heat insulation, sound-proofing properties can be increased.
In order to solve the problems of the technologies described above, the invention provides the two vacuum layer glass of convex surface that a kind of metal welding is connected to sealing groove and open holes, comprise glass, intermediate glass and lower-glass, it is characterized in that there is open holes, described upper glass and lower-glass are convex glasses, described intermediate glass is flat glass, the lower surface of described upper glass and intermediate glass and the periphery of described open holes have sealed strip, the periphery of described intermediate glass and lower-glass upper surface and the periphery of described open holes have sealing groove, the periphery of described upper glass and described lower-glass and described intermediate glass by brazing metal together with automatic welding in vacuum oven, described open holes also utilizes brazing metal automatic-sealed, described upper glass and form two closed vacuum layer between described lower-glass and described intermediate glass.
In order to solve the problems of the technologies described above, the invention provides the preparation method of the two vacuum layer glass of convex surface or the two vacuum layer glass of convex surface tempering, it comprises:
The first step, according to the shape of the two vacuum layer glass of the convex surface of required making and three pieces of flat glasss of size cutting desired size, in the edge punching fabrication and installation hole of three blocks of glass, offer sealing groove at lower-glass and the periphery weld of intermediate glass and the periphery of open holes, and edging, chamfering, cleaning and drying treatment are carried out to three blocks of glass;
Second step, sealed strip is prepared at the periphery weld of upper glass and intermediate glass and open holes, sealed strip can insert in corresponding sealing groove, upper lower-glass after process is loaded hot bending die, is placed in bending furnace or annealing furnace, be warming up to the temperature 550 ~ 750 DEG C of Glass Transition, rely on the gravity of glass self or externally applied forces to make glass form convex surface downwards, and be down to room temperature with stove, or carry out tempering process; Intermediate glass directly carries out high temperature sintering or tempering process;
3rd step, by even spread brazing metal in the sealing groove of intermediate glass and lower-glass periphery and open holes periphery, sends in vacuum oven after three blocks of glass close sheets;
4th step, described vacuum sole is vacuumized, limit heating, be evacuated to below 0.1Pa, be warming up to more than the temperature of fusion of brazing metal, brazing metal is fused into liquid, liquid retention is in the sealing groove of intermediate glass and lower-glass, the sealed strip of upper glass and intermediate glass also floods in a liquid, and liquid is by glass edge and open holes self-sealing; Stop heating, with stove cooling, realize airtight sealing after brazing metal solidifies, open vacuum oven, take out the two vacuum layer glass of convex surface;
5th step, puts into seal gum and protective casing, at the place suitable for reading Paste Product trade mark of protective casing in the bleeding point of the two vacuum layer glass of convex surface.
Wherein, described convex glass convex surface facing outside, convex surface bow is highly not less than 0.1mm, is preferably 1 ~ 200mm, more preferably 3 ~ 10mm.
Wherein, the lower surface periphery of described upper glass and intermediate glass or the periphery of open holes at least respectively have a sealed strip.
Wherein, the upper surface periphery of described intermediate glass and lower-glass or the periphery of open holes at least respectively have a sealing groove.
Wherein, described sealed strip is corresponding with described sealing groove, and described sealed strip can insert in described sealing groove.
Wherein, 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.
Wherein, described upper glass, described intermediate glass and described lower-glass are simple glass or toughened glass or semi-tempered glass.
Wherein, described upper glass, described intermediate glass and described lower-glass are simple glass or coated glass or Low-E glass.
Wherein, described sealed strip adopts printing, printing or mechanically spraying cryogenic glass powder or the mode such as glass ink or metal paste to prepare.
Wherein, described sealing groove is formed by mechanical workout or laser processing, and preferred mechanical processing mode, as mechanical mill, mechanical cutting etc.
Wherein, the internal surface of the sealing groove of described open holes periphery can paint metals slurry, and metal paste contributes to combining closely of brazing metal and glass.
Wherein, described brazing metal comprises low-temperature metal solder and solder, and described material is existing commercial commodity.
Further, the shape of described brazing metal is powdery, strip, sheet or bulk, ring-type, tubulose etc.
Wherein, in the vacuum layer of the two vacuum layer glass of described convex surface not or have a small amount of upholder, the two vacuum layer glass of convex surface mainly relies on convex shape to resist barometric point.
Wherein, above support is made up of metal, pottery, glass or high molecular polymer, matrix material, preferably adopts printing, sprayed glass ink or polymkeric substance preparation.
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, is preferably printed on two blocks of glass.
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 vacuum oven once can heat the two vacuum layer glass of one to several piece convex surface.
Further, described vacuum oven can have basic heating system and hot spot system, basis heating system can adopt the mode of Hot-blast Heating or resistive heating as nichrome wire, electrothermal tube, hot plate etc. or inhale ripple heating element, and hot spot system adopts the mode such as microwave heating or Infrared Heating;
Further, the heating of described basis, is that burner hearth or bulk glass are heated to a lower temperature, as 300 ~ 350 DEG C, toughened glass can not be caused obviously to anneal;
Further, described local heating is that solder or glass periphery are heated to a higher temperature, as 400 ~ 450 DEG C, prevents the overall obviously annealing of toughened glass;
Wherein, described in vacuumize and welded seal, can in vacuum oven batch carry out, also can monolithic implement; Overallly can heat glass, also can local heating bleeding point.
Wherein, described vacuum oven heating, can adopt conventional heating, Infrared Heating, also can adopt induction heating, LASER HEATING, can also adopt other suitable heating unit or heater meanses.
Further, described heating, can heat bulk glass, also can local heating bleeding point.
Wherein, described seal gum preferably has secret sealing, more preferably hot melt adhesive, hot-setting adhesive or two component sealing gum.
Beneficial effect of the present invention:
The two vacuum layer glass of convex surface that metal welding of the present invention is connected to sealing groove and open holes on it glass and the periphery of intermediate glass and the periphery of open holes have sealed strip, the periphery of intermediate glass and lower-glass and the periphery of open holes have sealing groove, make the edge sealing of the two vacuum layer glass of convex surface and seal easier, more reliable, even if sealed strip and the chimeric of sealing groove ensure that the two sealing effectiveness of vacuum layer glass when glass deformation of convex surface, there is between sealed strip and upper glass the bonding strength higher than low temperature welding glass, the chimeric of sealed strip and sealing groove increases sealing surface area between lower-glass and airtight layer thickness, the chimeric of sealed strip and sealing groove achieves the automatic-sealed of bleeding point and mass seals, the open holes of vacuum glass of the present invention, structure is simple, safe and reliable, convenient for production, with low cost, vacuum glass of the present invention there is open holes, not only production technique is simple, and intensity is higher, the quantity of open holes is not limit, and can have one to several, not only facilitates and installs but also be conducive to vacuumizing, its size of open holes of the present invention relatively can be very large, and inside can increase protective casing, thus is conducive to the quality and performance improving vacuum glass, extends its work-ing life, under vacuum, the sealing of brazing metal edge sealing solves the airtight integrity problem of solder, adds the tightness of vacuum layer, improves the life-span of vacuum glass, drastically increases the productivity of vacuum glass and qualification rate, reduces the production cost of vacuum glass.
Accompanying drawing explanation
Fig. 1 is the two vacuum layer glass structural representation of convex surface of the present invention.
In figure: 1. go up glass, 2. lower-glass, 3. open holes, 4. brazing metal, 5. sealed strip, 6. sealing groove, 7. upholder, 8. intermediate glass, 9. seal gum, 10. protective casing, 11. product brands.
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: see accompanying drawing, the two vacuum layer glass of convex surface is made up of upper convex glass 1, intermediate glass 8 and lower convex glass 2.Its making method is as follows: first according to the shape of the two vacuum layer glass of the convex surface of required making and three pieces of flat glasss of size cutting desired size, three blocks of glass bore a through hole respectively and forms open holes 3, sealing groove 6 is offered at intermediate glass 8 and the upper surface periphery of lower-glass 2 and the periphery of open holes 3, and edging, chamfering are carried out to three blocks of glass, cleaning, drying treatment; Secondly sealed strip 5 is prepared at upper glass 1 and the lower surface periphery of intermediate glass 8 and the periphery spraying of open holes 3, the lower surface of upper glass 1 and the upper surface of lower-glass 2 print and prepares upholder 7, intermediate glass 8 is directly sent in High Temperature Furnaces Heating Apparatus and carries out pyroprocessing, upper and lower two blocks of glass are loaded in mould, be warming up to the temperature 550 ~ 750 DEG C of Glass Transition, rely on the gravity of glass self or externally applied forces to make glass form convex surface downwards, and carry out tempering process immediately; Again respectively the upholder 7 on upper and lower glass is machined to same level height by the method for mechanical workout, low temperature glass solder 4 is filled by the peripheral sealing groove 6 of intermediate glass 8 and lower-glass 2, and described three pieces of glass consistencies from top to bottom are stacked together, ensure that sealed strip 5 is corresponding with sealing groove 6, send in vacuum oven; Vacuum oven has basic heating system and hot spot system, first utilize basic heating system as electric heater for heating, basal temperature is made to rise to 300 ~ 350 DEG C, low temperature glass solder is heated to melt temperature 430 ~ 450 DEG C by recycling hot spot system such as Infrared Heating, and the low temperature glass solder 4 of melting by three pieces of glass cementations together; Stop heating, with stove cooling, three blocks of glass hermetic weld together by low temperature glass solder 4; Finally in open holes 3, load magnesium alloy solder 7, send in vacuum oven, carry out vacuumizing and heating operation, be evacuated to below 0.1Pa, be warming up to the melt temperature more than 360 DEG C of magnesium alloy solder 7, magnesium alloy solder 7 is fused into liquid retention in sealing groove 6, sealed strip 5 also floods in a liquid, and liquid is by glass edge and open holes self-sealing; Stop heating, with stove cooling, magnesium alloy solder 7 condenses into solid, realizes airtight sealing, opens vacuum oven, take out the two vacuum layer glass of convex surface.In open holes, smear seal gum 9 while hot as butyl rubber, protective casing 10 is loaded in open holes 3, fill up the space between protective casing 10 and open holes 3 with seal gum 9, finally on protective casing 10, cover product brand 11.
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. a metal welding is connected to the two vacuum layer glass of convex surface of sealing groove and open holes, comprise glass, intermediate glass and lower-glass, it is characterized in that: there is open holes, described upper glass and described lower-glass are convex glasses, described upper glass and described lower-glass are simple glass or toughened glass or semi-tempered glass, the lower surface of described upper glass and intermediate glass and the periphery of described open holes have sealed strip, the periphery of described intermediate glass and lower-glass upper surface and the periphery of described open holes have sealing groove, the periphery of described upper glass and described lower-glass and described intermediate glass by brazing metal together with automatic welding in vacuum oven, described open holes also utilizes brazing metal automatic-sealed, described brazing metal comprises low-temperature metal solder and solder, described upper glass and form two closed vacuum layer between described lower-glass and described intermediate glass.
2. the two vacuum layer glass of convex surface according to claim 1, is characterized in that having one deck or two-layer upholder in described vacuum layer.
3. the two vacuum layer glass of convex surface according to claim 1 and 2, is characterized in that described upper glass, described intermediate glass and described lower-glass are simple glass or coated glass or Low-E glass.
4. the two vacuum layer glass of the convex surface according to any one of claims 1 to 3, is characterized in that the employing of described sealed strip is printed, print or prepared by the mode of mechanically spraying cryogenic glass powder or glass ink or metal paste.
5. the two vacuum layer glass of the convex surface according to any one of claims 1 to 3, is characterized in that described sealing groove adopts mechanical workout or laser processing to form.
6. the two vacuum layer glass of the convex surface according to any one of claim 1 to 5, it is characterized in that described convex glass convex surface facing outside, convex surface bow is high is 3 ~ 10mm.
7. the preparation method of the two vacuum layer glass of the convex surface described in any one of claim 1 to 6, is characterized in that: the two vacuum layer glass of described convex surface is the two vacuum layer glass of convex surface or the two vacuum layer glass of convex surface tempering, and preparation method is as follows:
The first step, according to the shape of the two vacuum layer glass of the convex surface of required making and three pieces of flat glasss of size cutting desired size, in the edge punching fabrication and installation hole of three blocks of glass, offer sealing groove at lower-glass and the periphery weld of intermediate glass and the periphery of open holes, and edging, chamfering, cleaning and drying treatment are carried out to three blocks of glass;
Second step, sealed strip is prepared at the periphery weld of upper glass and intermediate glass and open holes, sealed strip can insert in corresponding sealing groove, upper lower-glass after process is loaded hot bending die, is placed in bending furnace or annealing furnace, be warming up to the temperature 550 ~ 750 DEG C of Glass Transition, rely on the gravity of glass self or externally applied forces to make glass form convex surface downwards, and be down to room temperature with stove, or carry out tempering process; Intermediate glass directly carries out high temperature sintering or tempering process;
3rd step, by even spread brazing metal in the sealing groove of intermediate glass and lower-glass periphery and open holes periphery, sends in vacuum oven after three blocks of glass close sheets;
4th step, described vacuum sole is vacuumized, limit heating, be evacuated to below 0.1Pa, be warming up to more than the temperature of fusion of brazing metal, brazing metal is fused into liquid, liquid retention is in the sealing groove of intermediate glass and lower-glass, the sealed strip of upper glass and intermediate glass also floods in a liquid, and liquid is by glass edge and open holes self-sealing; Stop heating, with stove cooling, realize airtight sealing after brazing metal solidifies, open vacuum oven, take out the two vacuum layer glass of convex surface;
5th step, puts into seal gum and protective casing, at the place suitable for reading Paste Product trade mark of protective casing in the bleeding point of the two vacuum layer glass of convex surface.
8. the preparation method of the two vacuum layer glass of convex surface according to claim 7, is characterized in that described vacuum oven once can heat the two vacuum layer glass of one to several piece convex surface.
9. the preparation method of the two vacuum layer glass of convex surface according to claim 7, is characterized in that described vacuum oven has basic heating system and hot spot system.
10. the preparation method of the two vacuum layer glass of convex surface according to claim 9, it is characterized in that described basic heating system adopts one or several of Hot-blast Heating, resistive heating, Infrared Heating and far-infrared heating, described hot spot system adopts the mode such as microwave heating or Infrared Heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298577.0A CN104291697A (en) | 2013-07-17 | 2013-07-17 | Metal-welded convex double-vacuum-layer glass with sealing grooves and mounting hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298577.0A CN104291697A (en) | 2013-07-17 | 2013-07-17 | Metal-welded convex double-vacuum-layer glass with sealing grooves and mounting hole |
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| Publication Number | Publication Date |
|---|---|
| CN104291697A true CN104291697A (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310298577.0A Pending CN104291697A (en) | 2013-07-17 | 2013-07-17 | Metal-welded convex double-vacuum-layer glass with sealing grooves and mounting hole |
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|---|---|
| CN (1) | CN104291697A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102249561A (en) * | 2010-12-10 | 2011-11-23 | 洛阳兰迪玻璃机器有限公司 | Vacuum glass with mounting holes |
| US20120321822A1 (en) * | 2009-11-27 | 2012-12-20 | Luoyang Landglass Technology Co., Ltd | Compound Sealing Method for Vacuum Glass |
| CN102951819A (en) * | 2012-10-06 | 2013-03-06 | 戴长虹 | Metal solder-welded and groove-edge-sealed convex vacuum glass and manufacturing method thereof |
-
2013
- 2013-07-17 CN CN201310298577.0A patent/CN104291697A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120321822A1 (en) * | 2009-11-27 | 2012-12-20 | Luoyang Landglass Technology Co., Ltd | Compound Sealing Method for Vacuum Glass |
| CN102249561A (en) * | 2010-12-10 | 2011-11-23 | 洛阳兰迪玻璃机器有限公司 | Vacuum glass with mounting holes |
| CN102951819A (en) * | 2012-10-06 | 2013-03-06 | 戴长虹 | Metal solder-welded and groove-edge-sealed convex vacuum glass and manufacturing method thereof |
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Application publication date: 20150121 |