CN104291708A - Convex vacuum glass welded by metal and provided with sealing bar, sealing groove and mounting hole - Google Patents
Convex vacuum glass welded by metal and provided with sealing bar, sealing groove and mounting hole Download PDFInfo
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- CN104291708A CN104291708A CN201310298861.8A CN201310298861A CN104291708A CN 104291708 A CN104291708 A CN 104291708A CN 201310298861 A CN201310298861 A CN 201310298861A CN 104291708 A CN104291708 A CN 104291708A
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- glass
- convex surface
- vacuum
- periphery
- open holes
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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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
A convex vacuum glass welded by metal and provided with sealing bars, sealing grooves and a mounting hole includes an upper glass and a lower glass. The convex vacuum glass is characterized by being provided with the mounting hole. The upper glass and the lower glass are convex glasses. Peripheries of the upper glass and the mounting hole are provided with the sealing bars and the periphery of the lower glass and the mounting hole are provided with the sealing grooves and the sealing bars. The peripheries of the upper glass and the lower glass are automatically welded to each other through a metal solder in a vacuum oven while the mounting hole is sealed automatically through the metal solder. A sealed vacuum layer is formed between the upper glass and the lower glass. The vacuum glass is simple in manufacturing technology. The vacuum glass and a tempered vacuum glass are easy to install and use, are ensured in air tightness and are enhanced in strength, heat-insulating performance and sound-insulation performance.
Description
Technical field
The present invention relates to glass post-processing technical field, particularly relate to a kind of metal welding convex surface vacuum glass being connected to seal strip 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, convex surface vacuum glass providing a kind of metal welding to be connected to seal strip groove and open holes and preparation method thereof, the making method technique of this vacuum glass is simple, made vacuum glass and toughened vacuum glass are not only conducive to installing and using, and the resistance to air loss 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 convex surface vacuum glass that a kind of metal welding is connected to seal strip groove and open holes, comprise glass and lower-glass, it is characterized in that there is open holes, described upper glass and described lower-glass are convex glasses, the periphery of described upper glass and described open holes has sealed strip, the periphery of described lower-glass and the periphery of described open holes have sealed strip and sealing groove, the periphery of described upper glass and described lower-glass by brazing metal together with automatic welding in vacuum oven, described open holes also utilizes brazing metal automatic-sealed, the vacuum layer that between described upper glass and described lower-glass, formation one is closed.
In order to solve the problems of the technologies described above, the invention provides the preparation method of convex surface vacuum glass or convex surface toughened vacuum glass, it comprises:
The first step, according to the shape of the convex surface vacuum glass of required making and two pieces of flat glasss up and down of size cutting desired size, at edge punching fabrication and installation hole and the bleeding point of upper lower-glass, offer sealing groove at the periphery weld of lower-glass and the periphery of open holes, and edging, chamfering, cleaning and drying treatment are carried out to upper and lower two blocks of glass;
Second step, sealed strip is prepared at the periphery of the periphery of upper glass and the periphery of open holes and sealing groove, the sealed strip of upper glass 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 directly carry out tempering process;
3rd step, by even spread brazing metal in the sealing groove of lower-glass periphery and open holes periphery, upper and lower glass is sent in vacuum oven after closing sheet;
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 lower-glass, the sealed strip of upper 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 convex surface vacuum glass;
5th step, puts into seal gum and protective casing in the bleeding point of convex surface vacuum glass, at the place suitable for reading Paste Product trade mark of protective casing.
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 described periphery of upper glass or the periphery of open holes have a sealed strip at least.
Wherein, the periphery of described lower-glass or the periphery of open holes have a sealing groove and two sealed strips at least.
Wherein, the sealed strip of described upper glass is corresponding with the sealing groove of described lower-glass, and the sealed strip of described upper glass can insert in the sealing groove of described lower-glass.
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 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, 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 lower-glass bleeding point 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 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, 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, and conventional vacuum glass is preferably printed on one block of glass, and toughened vacuum 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 one to several piece convex surface vacuum glass.
Wherein, 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 convex surface vacuum glass that metal welding of the present invention is connected to seal strip groove and open holes on it periphery of glass and the periphery of open holes have sealed strip, the periphery of lower-glass and the periphery of open holes have sealing groove and sealed strip, make the edge sealing of vacuum glass and seal easier, more reliable, even if sealed strip ensure that the sealing effectiveness of vacuum glass when glass deformation with the chimeric of sealing groove, there is between sealed strip and upper lower-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, add the tightness of vacuum layer between upper and lower glass, improve the life-span of vacuum glass, drastically increase the productivity of vacuum glass and qualification rate, reduce the production cost of vacuum glass.
Accompanying drawing explanation
Fig. 1 is the convex surface vacuum glass structural representation having upholder of the present invention;
Fig. 2 is convex surface vacuum glass structural representation 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. seal gum, 9. protective casing, 10. product brand.
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, 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 low temperature glass solder 4, and centre is vacuum layer.Its making method is as follows: first according to the shape of made convex surface vacuum glass and two pieces of flat glasss of size cutting desired size, respectively bore a through hole at the edge of upper lower-glass and form open holes 3, sealing groove 6 is offered at the periphery of lower-glass 2 and the periphery of open holes 3, and carry out edging, chamfering and cleaning, drying, mechanical spraying technology is utilized to prepare sealed strip 5 at the periphery of the periphery weld of upper glass 1, the periphery of open holes 3 and lower-glass sealing groove, and with point gum machine at upper and lower glass preparation upholder 7; 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 make upholder 7 be in same level height by plane lapping method; Again by even spread metallic zinc solder 4 in the sealing groove 6 of lower-glass 2, and two pieces of glass consistencies from top to bottom are stacked together, send in vacuum oven; Finally carry out vacuumizing and heating operation, be evacuated to below 0.1Pa, be warming up to the melt temperature more than 420 DEG C of metallic zinc solder 4, metallic zinc solder 4 is fused into liquid retention in sealing groove 6, the sealed strip 5 of upper glass also floods in a liquid, and liquid is by glass edge and open holes self-sealing; Stop heating, with stove cooling, metallic zinc solder 4 condenses into solid, realizes airtight sealing, opens vacuum oven, takes out convex surface vacuum glass.In open holes, smear seal gum 9 while hot as butyl rubber, protective casing 9 is loaded in open holes 3, fill up the space between protective casing 9 and open holes 3 with seal gum 8, finally on protective casing 9, cover product brand 10.
Embodiment 2: see Fig. 2, convex surface 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 convex surface vacuum glass and size cutting desired size, low emissivity glass is selected to be lower-glass 2, respectively bore a through hole at the edge of upper lower-glass and form open holes 3, sealing groove 6 is offered at the periphery of lower-glass 2 and the periphery of open holes 3, and carry out edging, chamfering and cleaning, dry, at the periphery weld of upper glass 1, on the periphery of open holes 3 and lower-glass 2, the periphery of sealing groove 6 utilizes screen printing technique to print sealed strip, secondly two blocks of glass are respectively charged in two forming moulds, this forming mould has mold and bed die (i.e. formpiston and former), glass clamp is between mold and bed die, and can exert pressure make upper and lower mould close, the forming mould that glass is housed is warming up to the temperature 650-700 DEG C of Glass Transition, rely on the pressure put on forming mould to make the glass in forming mould form convex surface, remove mold immediately and carry out wind-cooling reinforcing, obtaining tempering or semi-tempered glass, again by even spread low temperature glass solder 4 in the sealing groove 6 of lower-glass 2 periphery, and two pieces of glass consistencies from top to bottom are stacked together, send in vacuum oven, vacuum oven has basic heating system and hot spot system, first utilize basic heating system as electric heater for heating, make basal temperature 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 two pieces of glass cementations together, stop heating, with stove cooling, two blocks of glass hermetic weld together by low temperature glass solder 4, finally carry out the sealing of open holes 3, with embodiment 1, just brazing metal 4 changes metallic tin into.
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 convex surface vacuum glass of seal strip groove and open holes, comprise 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 periphery of described upper glass and described open holes has sealed strip, the periphery of described lower-glass and the periphery of described open holes have sealing groove and sealed strip, the periphery of described upper glass and described lower-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, the vacuum layer that between described upper glass and described lower-glass, formation one is closed.
2. convex surface vacuum glass according to claim 1, is characterized in that having one deck or two-layer upholder in described vacuum layer.
3. convex surface vacuum glass according to claim 1 and 2, is characterized in that described upper glass and described lower-glass are simple glass or coated glass or Low-E glass.
4. the convex surface vacuum glass 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 convex surface vacuum glass 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 convex surface vacuum glass according to any one of claim 1 to 5, it is characterized in that described convex glass convex surface facing outside, convex surface bow high be 3 ~ 10mm.
7. the preparation method of the convex surface vacuum glass described in any one of claim 1 to 6, is characterized in that: described convex surface vacuum glass is convex surface vacuum glass or convex surface toughened vacuum glass, and preparation method is as follows:
The first step, according to the shape of the convex surface vacuum glass of required making and two pieces of flat glasss up and down of size cutting desired size, at edge punching fabrication and installation hole and the bleeding point of upper lower-glass, offer sealing groove at the periphery weld of lower-glass and the periphery of open holes, and edging, chamfering, cleaning and drying treatment are carried out to upper and lower two blocks of glass;
Second step, sealed strip is prepared at the periphery of the periphery of upper glass and the periphery of open holes and sealing groove, the sealed strip of upper glass 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 directly carry out tempering process;
3rd step, by even spread brazing metal in the sealing groove of lower-glass periphery and open holes periphery, upper and lower glass is sent in vacuum oven after closing sheet;
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 lower-glass, the sealed strip of upper 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 convex surface vacuum glass;
5th step, puts into seal gum and protective casing in the bleeding point of convex surface vacuum glass, at the place suitable for reading Paste Product trade mark of protective casing.
8. the preparation method of convex surface vacuum glass according to claim 7, is characterized in that described vacuum oven once can heat one to several piece convex surface vacuum glass.
9. the preparation method of convex surface vacuum glass according to claim 7, is characterized in that described vacuum oven has basic heating system and hot spot system.
10. the preparation method of convex surface vacuum glass 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 |
|---|---|---|---|
| CN201310298861.8A CN104291708A (en) | 2013-07-17 | 2013-07-17 | Convex vacuum glass welded by metal and provided with sealing bar, sealing groove and mounting hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298861.8A CN104291708A (en) | 2013-07-17 | 2013-07-17 | Convex vacuum glass welded by metal and provided with sealing bar, sealing groove and mounting hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104291708A true CN104291708A (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310298861.8A Withdrawn CN104291708A (en) | 2013-07-17 | 2013-07-17 | Convex vacuum glass welded by metal and provided with sealing bar, sealing groove and mounting hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104291708A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29716365U1 (en) * | 1996-07-23 | 1998-01-22 | GTD Glas-Technik-Design GmbH, 68723 Oftersheim | Laminated glass |
| CN102079630A (en) * | 2010-11-25 | 2011-06-01 | 沈阳工业大学 | Vacuum insulating layer and manufacturing method thereof |
| 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 |
| CN102951813A (en) * | 2012-10-06 | 2013-03-06 | 戴长虹 | Convex low-altitude glass welded by glass solders and subjected to edge sealing by strip frame and groove, and manufacturing method of glass |
| CN102951821A (en) * | 2012-10-06 | 2013-03-06 | 戴长虹 | Glass solder-welded and strip frame-groove-edge-sealed convex vacuum glass and manufacturing method thereof |
-
2013
- 2013-07-17 CN CN201310298861.8A patent/CN104291708A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29716365U1 (en) * | 1996-07-23 | 1998-01-22 | GTD Glas-Technik-Design GmbH, 68723 Oftersheim | Laminated glass |
| CN102079630A (en) * | 2010-11-25 | 2011-06-01 | 沈阳工业大学 | Vacuum insulating layer and manufacturing method thereof |
| 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 |
| CN102951813A (en) * | 2012-10-06 | 2013-03-06 | 戴长虹 | Convex low-altitude glass welded by glass solders and subjected to edge sealing by strip frame and groove, and manufacturing method of glass |
| CN102951821A (en) * | 2012-10-06 | 2013-03-06 | 戴长虹 | Glass solder-welded and strip frame-groove-edge-sealed convex vacuum glass and manufacturing method thereof |
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Application publication date: 20150121 |