CN102690046A - Vacuum glass edge sealing method and device - Google Patents
Vacuum glass edge sealing method and device Download PDFInfo
- Publication number
- CN102690046A CN102690046A CN2011100806851A CN201110080685A CN102690046A CN 102690046 A CN102690046 A CN 102690046A CN 2011100806851 A CN2011100806851 A CN 2011100806851A CN 201110080685 A CN201110080685 A CN 201110080685A CN 102690046 A CN102690046 A CN 102690046A
- Authority
- CN
- China
- Prior art keywords
- glass
- vacuum
- edge sealing
- bonding powder
- bonding
- 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.)
- Granted
Links
Images
Landscapes
- Joining Of Glass To Other Materials (AREA)
Abstract
The invention relates to a vacuum glass edge sealing method and device. The method comprises the following steps: putting a vacuum glass primary plate with welding glass powder and a support into a vacuum heating furnace, vacuumizing, heating for dewatering, melting and cooling to seal the vacuum glass primary plate. The invention is characterized in that the welding glass powder melt firstly seals part of edge of the vacuum glass primary plate, and after the bubbles in the welding glass powder melt are basically eliminated and the air pressure in the vacuum furnace achieves the set air pressure (0.1Pa for instance), the welding glass powder melt seals the aspirating hole.
Description
Technical field:
The present invention relates to vacuum glass and make the field, be meant a kind of vacuum glass edge sealing method and apparatus especially.
Background technology
Have now and be broadly divided into two types with glass for bonding powder sweating soldering vacuum glass edge sealing method: one type is with glass for bonding powder sweating soldering vacuum glass edge sealing in atmosphere; The vacuum glass that this type edge sealing method is produced all has aspirating hole, and production process is the edge sealing and the sealing of hole of bleeding in two steps; Second type is sealing-in vacuum glass in vacuum furnace, and edge sealing is once accomplished with bleeding, and does not have aspirating hole.Second class methods are superior to first kind method in theory, because second class methods are a step to accomplish edge sealing and bleed.But we find in actual production; At vacuum oven internal heating glass for bonding powder; Can produce great amount of bubbles in the glass for bonding powder melting process, the reason that produces bubble is that the glass for bonding powder adsorbs the lower melting point volatile component that gas that many empty G&Ws and glass for bonding powder dissolve in process of production and glass for bonding powder contain self.Some units address this problem the way of taking to prolong heat-up time and slow down rate of rise in temperature; This way only part solves glass for bonding powder bubble problem; But numerous air-bubble is still arranged,, reduced the intensity of glass for bonding congealed solid owing to the existence of bubble; Increase the gas leakage probability, and consumed mass energy tens hours heat-up time.Glass for bonding powder melt viscosity is big; And between the hollow plate glass levels sheet glass distance less than 1 millimeter; It is big that gas passes glass for bonding powder melt resistance to flow, and vacuum glass raw sheet intermediate gas is difficult to be drawn out of comes, and vacuum glass inside just is difficult to the vacuum tightness that reaches very high like this; Vacuum tightness is low, and the thermal and insulating performance of vacuum glass is just poor.
Summary of the invention
Main purpose of the present invention provides a kind of vacuum glass edge sealing method and apparatus.Reduce air bubble content in the glass for bonding congealed solid with this, improve glass for bonding congealed solid intensity, reduce the gas leakage probability, reduce heat-up time, reduce energy consumption, improve vacuum glass vacuum tightness.
Technical solution of the present invention is following:
A kind of vacuum glass edge sealing method; Put into vacuum furnace to the vacuum glass raw sheet that places glass for bonding powder and supporter; Steps such as process vacuumizes, thermal dehydration, fusing, cooling; With vacuum glass raw sheet sealing, it is characterized in that: be earlier with the limit of glass for bonding powder melt shutoff part vacuum glass raw sheet, wait until in the glass for bonding powder melt after the bubble basically eliminate; And after the vacuum oven internal gas pressure reaches the air pressure (such as 0.1Pa) of setting, use glass for bonding powder melt shutoff aspirating hole again.
Above-mentioned a kind of vacuum glass edge sealing method is characterized in that: gas pressure intensity is eliminated bubble in the pulsed rising vacuum furnace when the fusing of glass for bonding powder produces bubble.In the rising vacuum furnace gas pressure intensity eliminate the reason of bubble be when the bubble outside pressure during greater than the bubble internal pressure bubble be crushed or dwindle.
Above-mentioned a kind of vacuum glass edge sealing method is characterized in that: when placing the glass for bonding powder, leave one or more aspirating holes.This is because the fusing of glass for bonding powder can produce great amount of bubbles and rapid expansion; In order to eliminate the bubble repression of swelling vacuum furnace internal gas pressure that will raise; Middle too many for preventing that glass for bonding powder melt from pushing the vacuum glass raw sheet; Will guarantee that the heating under vacuum furnace chamber links to each other with vacuum glass raw sheet inner chamber,, under of the control of glass for bonding powder melting dilation initial stage, can't seal aspirating hole immediately at gear so will when placing the glass for bonding powder, leave aspirating hole; At this moment link to each other with vacuum glass raw sheet inner chamber owing to the heating under vacuum furnace chamber; Both sides do not have pressure reduction, and glass for bonding powder melt can not be pushed into vacuum glass raw sheet middle (wicking action can get into a little), and the glass for bonding powder melting dilation initial stage is best opportunity of rising vacuum furnace internal gas pressure elimination bubble.
Above-mentioned a kind of vacuum glass edge sealing method is characterized in that: the effect guiding glass for bonding powder melt through gear behind the basic froth breaking of glass for bonding powder melt flows to aspirating hole and reaches the shutoff aspirating hole.
Pressure is realized through release gas liquid or solid in vacuum furnace in the above-mentioned vacuum glass edge sealing method, pulsed rising vacuum furnace.Liquid or solid evaporate into gas in vacuum furnace, rising vacuum furnace internal gas pressure.
Above-mentioned a kind of vacuum glass edge sealing method; It is characterized in that: pressure can be the interior pressure of vacuum furnace that once raises in the pulsed rising vacuum furnace; Also can be the interior pressure of vacuum furnace that repeatedly raises, will extract the heating under vacuum furnace gas out behind the pressure in the rising vacuum furnace.
Above-mentioned a kind of vacuum glass edge sealing method, the glass for bonding powder on the limit of shutoff part vacuum glass raw sheet and the glass for bonding powder of shutoff aspirating hole can be that identical glass for bonding powder also can be different.
Above-mentioned a kind of vacuum glass edge sealing method, the glass for bonding powder on the limit of shutoff part vacuum glass raw sheet and the glass for bonding powder of shutoff aspirating hole can melt synchronously also can controlled asynchronous fusing.
Above-mentioned vacuum glass edge sealing method is eliminated the bubble effect in order to strengthen, and can directly gas channeling be arranged the position of glass for bonding powder melt with conduit.It is better to let gas directly blow to glass for bonding powder melt defoaming effect.For reducing the thermal shocking that gets into the vacuum furnace gas, can heat in advance getting into the vacuum furnace gas, reduce the temperature difference.
Above-mentioned vacuum glass edge sealing method; It is characterized in that: when the glass for bonding powder melt viscosity ratio of using is low; Middle exceeding of vacuum glass raw sheet preestablish the zone for preventing that glass for bonding powder melt from pushing; Can the blocking layer be set in vacuum glass raw sheet inboard, and when the glass for bonding powder melt viscosity ratio of using is higher, the blocking layer can be set.The blocking layer can be spun glass or glass powder and other powderies or fibrous material, and rate of expansion will be mated with hollow plate glass.
Above-mentioned vacuum glass edge sealing method, the solvent (also the someone claims carrier) of mediation glass for bonding powder is preferably selected the volatile liquid of this type such as water, alcohol for use.
A kind of vacuum glass edge sealing equipment is vacuum furnace; Comprise a sealable cavity, be used to put polylith vacuum glass raw sheet, a heating control system; Be used for heating, vacuum glass raw sheet; A vacuum extractor is used to extract out gas in the sealable cavity, it is characterized in that: have pilot-gas liquid or solid to get into the device of vacuum furnace on (1) vacuum furnace; (2) there is a control glass for bonding melt to flow to the device of aspirating hole on the vacuum furnace.Pilot-gas liquid or solid get into the valve of the device of vacuum furnace such as the device of pilot-gas entering vacuum furnace.
With existing vacuum glass edge sealing compared with techniques, the present invention can obtain following technique effect, 1, suppressed glass for bonding powder melt foam expansion phenomenon, preventing that glass for bonding powder melt from overflowing pollutes upper strata glass.2, fully eliminate bubble in the glass for bonding powder melt, increase welding strength, improve vacuum tightness in the vacuum glass.3, shortening save energy heat-up time reduces cost.
Description of drawings
Fig. 1 is a glass for bonding sealing-in vacuum glass synoptic diagram.
Fig. 2 is a vacuum oven internal structure synoptic diagram.
Fig. 3 is the vacuum glass synoptic diagram that the blocking layer is arranged.
Fig. 4 is for there being switchboard sealed vacuum glass principle schematic.
Fig. 5 is the unsettled sealed vacuum glass of a melting pool synoptic diagram.
Fig. 6 is runner control switchboard sealed vacuum glass synoptic diagram.
Fig. 7 is push rod control switchboard sealed vacuum glass synoptic diagram.
1---upper glass plate 2---supporter 3---blocking layer 4---glass for bonding powder (or glass for bonding bar) 5---valve 6---heating under vacuum furnace wall 7---heating tube 8---gas tube 9---gas orifice 10------switchboard 12---aspirating hole 13---melting pool 14---runner 15---shaft 16---backguy 17---push rod 18---the lower floor's sheet glass that blocks bar 11
Embodiment:
Embodiment: as shown in Figure 4, the vacuum glass raw sheet is made up of upper glass plate 1, lower floor's sheet glass 18, supporter 2, blocking layer 3 and glass for bonding powder 4, blocks bar 10 and switchboard 11 on lower floor's sheet glass 18; Between switchboard 11 and upper glass plate, leave aspirating hole 12, put into vacuum furnace to the vacuum glass raw sheet that places glass for bonding powder and supporter, it is 300 ℃ that this glass for bonding powder begins fusing point; Fusing point is 420 ℃ fully, at first extracts the heating under vacuum furnace gas out, makes the vacuum furnace internal gas pressure reach 0.01 normal atmosphere; Begin heating, in heating, continue to bleed, when temperature in the stove surpasses 300 ℃, stop to bleed; At this moment along with temperature in the process furnace continues to raise, constantly there is bubble to overflow in the glass for bonding powder melt, along with bubble is on the increase; Glass for bonding powder melt expands, and at this moment opens intake valve, closes air intake valve when the process furnace internal gas pressure rises to 0.3 normal atmosphere; At this moment can see along with bubble in the process furnace internal gas pressure rising glass for bonding powder melt breaks fast and dwindling and since switchboard 11 stop that the glass for bonding melt can not flow in the aspirating hole 12; And the vacuum furnace gas can be through in the middle of the aspirating hole 12 turnover vacuum glass raw sheets; Can keep air pressure balance in vacuum glass raw sheet inner chamber and the vacuum oven like this, the glass for bonding melt can not be pressed into vacuum glass raw sheet inner chamber, in the INO air inlet, continues heating; Close and open vacuum pump behind the air intake valve and bleed, the stove internal gas pressure is dropped to below 0.01 normal atmosphere.Repeat above-mentioned air inlet---pumping process again when temperature surpasses 380 ℃ in the stove, continue to bleed, when temperature reaches 420 ℃ of vacuum tightnesss and reaches 0.5Pa in stove, stop to bleed.After bubble basically eliminate in the glass for bonding melt, remove switchboard 11 with gear, the glass for bonding melt flows in the aspirating hole 12, seals aspirating hole.Be incubated 30 minutes, cooling is come out of the stove.
As shown in Figure 5, a melting pool 13 is arranged above aspirating hole 12, glass for bonding powder 4 is arranged in the melting pool 13, through vacuumizing, heating, air inlet---behind the froth breaking supervisor of bleeding, gear is poured glass for bonding melts in the melting pool 13 in the aspirating hole 12 into.Accomplish shutoff aspirating hole program.
As shown in Figure 6, this is the device synoptic diagram that a control glass for bonding melt flows to aspirating hole.Form the device that control glass for bonding melt flows to aspirating hole by runner 14, shaft 15 and backguy 16.Backguy 16 connects switchboard 11 and runner 14, and shaft 15 passes the vacuum furnace wall and reaches outside the stove, and is extraneous through rotating shaft 15 pulling switchboards 11.
As shown in Figure 7, this is the device that a push rod control glass for bonding melt flows to aspirating hole.Push rod 17 links to each other with extraneous, and extraneous push rod 17 promotes switchboard 11 through promoting push rod 17, and switchboard 11 promotes the glass for bonding melt and flows to aspirating hole 12.Glass for bonding powder 4 is far away apart from the upper glass plate edge in Fig. 7, and the glass for bonding melt is more sticking, so can just can not push the glass for bonding melt to aspirating hole 12 through push rod 17 immediately aspirating hole 12 shutoff behind the glass for bonding melt froth breaking.
The device that control glass for bonding melt flows to aspirating hole can also be designed to other styles; Can be manual; Also can be electronic control, but effect is exactly when needs glass for bonding melt flows to aspirating hole, control glass for bonding melt flows to aspirating hole.
Fig. 2 is a vacuum oven inner structure synoptic diagram, and vacuum oven has gas control valve 5, and gas tube 8 links to each other with gas control valve 5, and gas orifice 9 is arranged on the gas tube 8, directly blows to glass for bonding powder 4 through increasing gas tube 8 guiding gas, can improve defoaming effect like this.Push rod 17 reaches outside the vacuum furnace, and is extraneous through push rod 17 control switchboards 11.
Fig. 3 is the vacuum glass synoptic diagram that the blocking layer is arranged, and through increasing blocking layer 3, can stop that glass for bonding powder 4 melts flow in the 3 inboard ABCD scopes of blocking layer, and blocking layer 3 is processed by spun glass, good air permeability, and gas can conveniently be extracted out in the ABCD scope.
Core of the present invention is two aspects: gas pressure intensity elimination bubble inhibition glass for bonding melt overplumping (2) control glass for bonding melt postpones to flow to aspirating hole and postpones sealing of hole in (1) pulsed rising vacuum furnace.Be how gear that system or the control glass for bonding melt of pressure in the rising vacuum oven postpones to flow to aspirating hole changes and all should be included in the claim scope of the present invention.
Claims (8)
1. vacuum glass edge sealing method; Put into vacuum furnace to the vacuum glass raw sheet that places glass for bonding powder and supporter, steps such as process vacuumizes, thermal dehydration, fusing, cooling seal the vacuum glass raw sheet; It is characterized in that: be the limit of elder generation with glass for bonding powder melt shutoff part vacuum glass raw sheet; By the time in the glass for bonding powder melt after the bubble basically eliminate, and after the vacuum oven internal gas pressure reaches the air pressure of setting, use glass for bonding powder melt shutoff aspirating hole again.
2. according to the said a kind of vacuum glass edge sealing method of claim 1, it is characterized in that: gas pressure intensity is eliminated bubble in the pulsed rising vacuum furnace when the fusing of glass for bonding powder produces bubble.
3. according to the said a kind of vacuum glass edge sealing method of claim 1, it is characterized in that: when placing the glass for bonding powder, leave one or more aspirating holes.
4. according to the said a kind of vacuum glass edge sealing method of claim 1, it is characterized in that: the effect guiding glass for bonding powder melt through gear behind the basic froth breaking of glass for bonding powder melt flows to aspirating hole and reaches the shutoff aspirating hole.
5. according to the said a kind of vacuum glass edge sealing method of claim 1, it is characterized in that: pressure is realized through release gas liquid or solid in vacuum furnace in the pulsed rising vacuum furnace.
6. according to the said a kind of vacuum glass edge sealing method of claim 1; It is characterized in that:: pressure can be the interior pressure of vacuum furnace that once raises in the pulsed rising vacuum furnace; Also can be the interior pressure of vacuum furnace that repeatedly raises, will extract the heating under vacuum furnace gas out behind the pressure in the rising vacuum furnace.
7. according to the said a kind of vacuum glass edge sealing method of claim 1; It is characterized in that: above-mentioned vacuum glass edge sealing method; It is characterized in that: when the glass for bonding powder melt viscosity ratio of using is low, middle exceeding of vacuum glass raw sheet preestablish the zone, can the blocking layer be set in vacuum glass raw sheet inboard for preventing that glass for bonding powder melt from pushing; And when the glass for bonding powder melt viscosity ratio of using is higher, the blocking layer can be set.
8. a vacuum glass edge sealing equipment is vacuum furnace; Comprise a sealable cavity, be used to put polylith vacuum glass raw sheet, a heating control system; Be used for heating, vacuum glass raw sheet; A vacuum extractor is used to extract out gas in the sealable cavity, it is characterized in that: have pilot-gas liquid or solid to get into the device of vacuum furnace on (1) vacuum furnace; (2) there is a control glass for bonding melt to flow to the device of aspirating hole on the vacuum furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110080685.1A CN102690046B (en) | 2011-03-22 | 2011-03-22 | A kind of vacuum glass edge sealing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110080685.1A CN102690046B (en) | 2011-03-22 | 2011-03-22 | A kind of vacuum glass edge sealing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102690046A true CN102690046A (en) | 2012-09-26 |
| CN102690046B CN102690046B (en) | 2016-01-13 |
Family
ID=46855805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110080685.1A Expired - Fee Related CN102690046B (en) | 2011-03-22 | 2011-03-22 | A kind of vacuum glass edge sealing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102690046B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105008303A (en) * | 2013-02-26 | 2015-10-28 | 株式会社Joeun技术 | Sealing apparatus for vacuum window manufacturing equipment |
| CN107487992A (en) * | 2017-06-29 | 2017-12-19 | 无锡市京锡冶金液压机电有限公司 | A kind of glass vacuum extractor |
| US10195825B2 (en) | 2014-10-30 | 2019-02-05 | Corning Incorporated | Methods for strengthening the edge of laminated glass articles and laminated glass articles formed therefrom |
| US10513455B2 (en) | 2014-10-30 | 2019-12-24 | Corning Incorporated | Method and apparatus for sealing the edge of a glass article |
| US10793461B2 (en) | 2016-11-18 | 2020-10-06 | Corning Incorporated | Method and system for making 3D glass, glass-ceramic and ceramic objects |
| US11065860B2 (en) | 2015-08-13 | 2021-07-20 | Corning Incorporated | Method and system for printing 3D objects |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1286670A (en) * | 1999-08-27 | 2001-03-07 | 青岛新立基技术应用有限公司 | Method and device for mfg. vacuum glass |
| CN101054260A (en) * | 2007-03-28 | 2007-10-17 | 徐胜利 | Method of producing large diameter transparent quartz glass tube for semiconductor technology by continuous melting method |
| CN101148313A (en) * | 2006-09-20 | 2008-03-26 | 黄家军 | One-step forming vacuum glass and its manufacturing method and device |
-
2011
- 2011-03-22 CN CN201110080685.1A patent/CN102690046B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1286670A (en) * | 1999-08-27 | 2001-03-07 | 青岛新立基技术应用有限公司 | Method and device for mfg. vacuum glass |
| CN101148313A (en) * | 2006-09-20 | 2008-03-26 | 黄家军 | One-step forming vacuum glass and its manufacturing method and device |
| CN101054260A (en) * | 2007-03-28 | 2007-10-17 | 徐胜利 | Method of producing large diameter transparent quartz glass tube for semiconductor technology by continuous melting method |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105008303A (en) * | 2013-02-26 | 2015-10-28 | 株式会社Joeun技术 | Sealing apparatus for vacuum window manufacturing equipment |
| CN105008303B (en) * | 2013-02-26 | 2017-05-31 | 株式会社Joeun技术 | For the sealing device of vacuum window manufacturing equipment |
| US10195825B2 (en) | 2014-10-30 | 2019-02-05 | Corning Incorporated | Methods for strengthening the edge of laminated glass articles and laminated glass articles formed therefrom |
| US10513455B2 (en) | 2014-10-30 | 2019-12-24 | Corning Incorporated | Method and apparatus for sealing the edge of a glass article |
| US11065860B2 (en) | 2015-08-13 | 2021-07-20 | Corning Incorporated | Method and system for printing 3D objects |
| US10793461B2 (en) | 2016-11-18 | 2020-10-06 | Corning Incorporated | Method and system for making 3D glass, glass-ceramic and ceramic objects |
| CN107487992A (en) * | 2017-06-29 | 2017-12-19 | 无锡市京锡冶金液压机电有限公司 | A kind of glass vacuum extractor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102690046B (en) | 2016-01-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102690046A (en) | Vacuum glass edge sealing method and device | |
| CN104946289A (en) | High-softening-point asphalt, and preparation method and application thereof | |
| CN204111919U (en) | A kind of polycrystalline ingot furnace | |
| CN103086589B (en) | A kind of vacuum glass pressure reduction method for sealing | |
| CN102503096B (en) | Method for manufacturing vacuum glass in vacuum heating furnace by using temperature and pressure control method | |
| CN206570221U (en) | A kind of vacuum glass is evacuated pore structure | |
| CN203741207U (en) | Vacuum melting furnace and founding system of infrared glass | |
| CN206310714U (en) | A kind of machine oil heating case | |
| CN102863145A (en) | Vacuum glass sealing method | |
| CN113102708B (en) | Continuous casting crystallizer for manufacturing copper rod | |
| CN104018015B (en) | A kind of smelting degassing method of nickel alloy solution | |
| CN207362147U (en) | A kind of waste and old organic glass pyrolysis furnace | |
| CN204125343U (en) | A kind of glass annealing refrigerating unit | |
| CN203833654U (en) | Boiling aider for vacuum seawater desalination | |
| CN204224741U (en) | A kind of gas barrier of novel evacuated equipment | |
| CN204920907U (en) | Heating device for be used for production tree | |
| CN103420568A (en) | Seal structure of vacuum glass air suction mouth and manufacturing method thereof | |
| CN104370439A (en) | Molten glass clarifying device | |
| CN104294935A (en) | Double-vacuum layer glass composite vacuum insulation plate and preparation method thereof | |
| CN104354337B (en) | Gradient-density metal foam with through holes and simple method for preparing thereof | |
| CN104291593A (en) | Air-exhaust port sealing structure and manufacturing method thereof | |
| CN201896127U (en) | Vacuum glass | |
| CN108817339B (en) | Negative pressure continuous casting device and negative pressure continuous casting method | |
| KR101806471B1 (en) | Glass frit bar manufacturing method for vacuum glass and vacuum glass manufacturing method | |
| CN204924030U (en) | Constant temperature baking equipment of spiral tie |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20210322 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |