CN103420568A - Seal structure of vacuum glass air suction mouth and manufacturing method thereof - Google Patents
Seal structure of vacuum glass air suction mouth and manufacturing method thereof Download PDFInfo
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- CN103420568A CN103420568A CN2013102985094A CN201310298509A CN103420568A CN 103420568 A CN103420568 A CN 103420568A CN 2013102985094 A CN2013102985094 A CN 2013102985094A CN 201310298509 A CN201310298509 A CN 201310298509A CN 103420568 A CN103420568 A CN 103420568A
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- 239000011521 glass Substances 0.000 title claims abstract description 141
- 238000004519 manufacturing process Methods 0.000 title abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims abstract description 84
- 239000002184 metal Substances 0.000 claims abstract description 84
- 238000007789 sealing Methods 0.000 claims abstract description 41
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 229910000679 solder Inorganic materials 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 230000000740 bleeding effect Effects 0.000 claims description 78
- 238000010438 heat treatment Methods 0.000 claims description 46
- 238000005219 brazing Methods 0.000 claims description 42
- 238000005086 pumping Methods 0.000 claims description 22
- 238000003466 welding Methods 0.000 claims description 7
- 230000014759 maintenance of location Effects 0.000 claims description 6
- 238000005245 sintering Methods 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 230000004927 fusion Effects 0.000 claims description 4
- 238000010792 warming Methods 0.000 claims description 4
- 230000008961 swelling Effects 0.000 claims description 3
- 238000000137 annealing Methods 0.000 claims description 2
- 230000000295 complement effect Effects 0.000 claims description 2
- 229940023462 paste product Drugs 0.000 claims description 2
- 239000000565 sealant Substances 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 239000000956 alloy Substances 0.000 claims 1
- 238000012797 qualification Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 238000000605 extraction Methods 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 229910001128 Sn alloy Inorganic materials 0.000 description 4
- 229910001297 Zn alloy Inorganic materials 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 239000002419 bulk glass Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000004093 laser heating Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000005341 toughened glass Substances 0.000 description 3
- 239000004831 Hot glue Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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
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- Joining Of Glass To Other Materials (AREA)
Abstract
A seal structure of a vacuum glass air suction mouth is characterized in that an air suction mouth is manufactured by a round hole formed in an upper glass of the vacuum glass, a circular tube is manufactured to be inserted into the round hole, and the upper end of the circular tube is welded together with the upper glass; a concave pit or a groove is formed in a position, corresponding to the air suction mouth, on the upper surface of the lower glass, the lower end of the circular tube can be inserted into the concave pit or the groove, and an air suction channel is between the circular tube and the concave pit or the groove; metal solder is placed in the air suction mouth or the circular tube after the upper glass and the lower glass are subjected to edge sealing, the air suction mouth is vacuumized, and heated to allow the metal solder to be melted into liquid, the liquid is reserved in the concave pit or the groove, the lower end of the circular tube is also submerged in the liquid, the air suction mouth is sealed automatically by utilizing liquid seal principle, and the liquid is solidified after cooling down to realize air-tight sealing for the extraction mouth. Through the adoption of the method, the mass production can be realized, the production efficiency and the qualification rate of the vacuum glass and steel vacuum glass can be greatly improved, and the manufacturing cost is lowered.
Description
Technical field
The invention belongs to the vacuum glass field, relate in particular to sealed structure of a kind of vacuum glass pumping hole and preparation method thereof.
Background technology
Existing vacuum glass generally is comprised of two or three blocks of sheet glass, glass surrounding low temperature glass solder edge sealing, and there is small upholder centre, makes to form between two blocks of glass the thin vacuum layer of 0.1～0.2mm thickness by bleeding.Due to the heat transfer that there is no gas, transaudient, the internal surface of glass can have again transparent low thermal radiation film, so vacuum glass has well heat insulation and soundproof effect, is one of best energy-saving glass of performance.
The gordian technique of existing vacuum glass has: the one, and edge sealing, the 2nd, the laying of upholder, the 3rd, the acquisition of vacuum and maintaining.The mode that existing vacuum glass obtains vacuum mainly contains following two kinds: (1) is at first in a slice punching on glass, to prepare bleeding point, then weld the Glass tubing of bleeding on bleeding point when with low temperature glass solder, adding hot edge seal, finally heating vacuumizes and the sealing by fusing Glass tubing of bleeding, because the Glass tubing of bleeding protrudes from glass surface, so also need the bleeding point position is protected; (2) be not need prefabricated bleeding point above glass, but be placed in vacuum furnace after the glass that limit section scribbles low temperature glass solder is closed to sheet, add hot edge seal and directly form vacuum layer under vacuum.The shortcoming of first kind of way is that evacuation process is complicated, production efficiency is very low: because pump-line is very thin, vacuum layer is very thin, the resistance of bleeding is large, speed is little, and needs monolithic to extract, so production efficiency is very low; The second way can solve the shortcoming that first kind of way exists, but because low temperature glass solder is to be made by many oxide, under high temperature, vacuum, in volatile substances in the air of scolder absorption and moisture, scolder, the gas that scolder dissolves in process of production and scolder, the decomposition of partial oxide etc. all can cause a large amount of bubble of generation in scolder, the properties that has greatly weakened scolder is resistance to air loss especially, causes the feasibility of this kind of mode to be greatly affected.Also having a kind of mode is between above two kinds of modes, at prefabricated bleeding point on glass, then after the high temperature edge sealing, vacuumize again, finally utilize scolder by seal weldings such as sheet metals on bleeding point; The shortcoming of this mode is if adopt glass solder run into the difficulty identical with the second way, if adopt the brazing metal soldering how to make small and light sheet metal realize that the resistance to air loss welding will run into very large difficulty under vacuum condition, its economic benefit not necessarily is better than first kind of way.
Summary of the invention
Technical problem to be solved by this invention is to be the defect existed for existing vacuum glass pumping hole, a kind of novel vacuum glass pumping hole and preparation method thereof is provided, the making method technique of this vacuum glass pumping hole is simple, the vacuum glass of made comprises that toughened vacuum glass can overcome deficiency of the prior art, can effectively guarantee the work-ing life of the resistance to air loss of vacuum glass and heat insulation performance, prolongation vacuum glass, and can improve vacuum glass production efficiency, reduce production costs.
In order to solve the problems of the technologies described above, the invention provides a kind of sealed structure of vacuum glass pumping hole, it is characterized in that: make a call to a circular hole and make bleeding point on the upper glass of vacuum glass, produce a pipe and insert in circular hole, upper end and the upper glass of described pipe weld together; At the upper surface of lower-glass, the position corresponding with bleeding point prepares a pit or groove, and the lower end of described pipe can be inserted in described pit or groove, between described pipe and described pit or groove, is bleed-off passage; After upper and lower glazing gasket, brazing metal is put into to described bleeding point or pipe, described bleeding point is vacuumized, also heats and make described brazing metal be fused into liquid, described liquid retention is in described pit or groove, the lower end of described pipe also is submerged in described liquid, utilize the hydraulic seal principle by described bleeding point self-sealing, after cooling, described liquid solidifies, and realizes the airtight sealing to described bleeding point.
Wherein, described circular hole is a V shaped hole or is comprised of the circular hole of two upper big, lower small.
Wherein, described pipe is metal tube or Glass tubing, the preferred metal close with glass swelling coefficient when described pipe is metal tube, the preferred lower end at described pipe by metal paste sintering when described pipe is Glass tubing.
Wherein, described pipe with between described upper glass together with the welding of glass solder or metal paste.
Further, make material or its fusing point of scolder of described pipe and use the fusing point of low temperature glass solder higher than glazing gasket, guarantee that, in the glazing gasket process, described pipe does not change.
Wherein, the upper end of described pipe is lower than the upper surface of described upper glass.
Wherein, the internal surface of described pit or groove can the paint metals slurry, and utilizes the high temperature sintering metal paste, and metal paste contributes to combining closely of brazing metal and glass.
Further, described metal paste (or electric slurry) contributes to the welding between brazing metal and glass, and described metal paste can also serve as the transition layer between glass paste and brazing metal.
Wherein, described brazing metal comprises low-temperature metal scolder and solder, and described material is existing commercial commodity.
Further, the fusing point of described brazing metal is lower than the use temperature of fusing point or the binding agent of glass solder, and during the brazing metal fusing, glass solder or the binding agent of edge sealing remain unchanged.
Further, described brazing metal is shaped as powdery, strip, sheet or bulk, ring-type, tubulose etc.
Wherein, the height of described liquid is preferably close with the degree of depth of described pit or groove.
Wherein, described vacuumizing and the bleeding point sealing can be carried out in batches in vacuum furnace, also can implement by monolithic; Can wholely heat glass, also can the local heating bleeding point.
Wherein, described heating, can adopt conventional heating, Infrared Heating, also can adopt induction heating, LASER HEATING, can also adopt microwave heating and other suitable heating unit or heater means.
Further, described heating, can heat bulk glass, also can the local heating bleeding point.
Wherein, described bleeding point, after brazing metal sealing, then is used sealant sealing, above seal gum, is trade mark or the metal finishing sheet of product, and seal gum can be protected brazing metal, can realize two seals to bleeding point again.
Further, described seal gum preferably has secret sealing, more preferably hot melt adhesive, hot-setting adhesive or two component sealing gum.
In order to solve the problems of the technologies described above, the invention provides the making method of above-mentioned vacuum glass pumping hole, it comprises:
The first step, according to the size of required making bleeding point, on upper glass, bleeding point, the end opening that is greater than suitable for reading of bleeding point are made in boring;
Second step, getting a pipe inserts in bleeding point, the end opening internal diameter of the external diameter of pipe and bleeding point is complementary, the end opening of pipe and bleeding point closely cooperates, form a groove between the top of pipe and bleeding point, placing glass scolder or metal paste utilize High Temperature Furnaces Heating Apparatus or annealing furnace or edge sealing stove are welded in groove; Make pit or the groove concentric with bleeding point on the upper surface of lower-glass, the pipe of upper glass can be enclosed within the pit or groove of lower-glass;
The 3rd step, after upper and lower glazing gasket, pack brazing metal in bleeding point or pipe into, and send in vacuum furnace;
The 4th step, to described heating under vacuum sole vacuumize, limit heating, be evacuated to 0.1Pa following, be warming up to the temperature of fusion of brazing metal more than, brazing metal is fused into liquid, liquid retention is in the pit or groove of lower-glass, pipe on upper glass also is submerged in liquid, and liquid is by the bleeding point self-sealing; Stop heating, with stove cooling, brazing metal solidifies realizes airtight sealing afterwards to bleeding point, opens vacuum furnace, takes out vacuum glass;
The 5th step is put into seal gum in bleeding point, Paste Product trade mark or metal finishing sheet on seal gum.
Wherein, described circular hole is a V shaped hole or is comprised of the circular hole of two upper big, lower small.
Wherein, described pipe is metal tube or Glass tubing, the preferred metal close with glass swelling coefficient when described pipe is metal tube, the preferred lower end at described pipe by metal paste sintering when described pipe is Glass tubing.
Wherein, described pipe with between described upper glass together with the welding of glass solder or metal paste.
Further, make material and its fusing point of scolder of described pipe and use the fusing point of low temperature glass solder higher than glazing gasket, guarantee that, in the glazing gasket process, described pipe does not change.
Wherein, the upper end of described pipe is lower than the upper surface of described upper glass.
Wherein, the internal surface of described pit or groove can the paint metals slurry, and utilizes the high temperature sintering metal paste, and metal paste contributes to combining closely of brazing metal and glass.
Further, described metal paste (or electric slurry) contributes to the welding between brazing metal and glass, and described metal paste can also serve as the transition layer between glass paste and brazing metal.
Wherein, described brazing metal comprises low-temperature metal scolder and solder, and described material is existing commercial commodity.
Further, the fusing point of described brazing metal is lower than the use temperature of fusing point or the binding agent of glass solder, and during the brazing metal fusing, glass solder or the binding agent of edge sealing remain unchanged.
Further, described brazing metal is shaped as powdery, strip, sheet or bulk, ring-type, tubulose etc.
Wherein, the height of described liquid is preferably close with the degree of depth of described pit or groove.
Wherein, described vacuumizing and the bleeding point sealing can be carried out in batches in vacuum furnace, also can implement by monolithic; Can wholely heat glass, also can the local heating bleeding point.
Wherein, described heating, can adopt conventional heating, Infrared Heating, also can adopt induction heating, LASER HEATING, can also adopt microwave heating and other suitable heating unit or heater means.
Further, described heating, can heat bulk glass, also can the local heating bleeding point.
Wherein, described heating, can adopt conventional heating, Infrared Heating, also can adopt induction heating, LASER HEATING, can also adopt microwave heating and other suitable heating unit or heater means.
Further, described heating, can heat bulk glass, also can the 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:
Vacuum glass pumping hole of the present invention, with reference to " water seal " structure of the water exhaust system especially floor drain of falling the bell-jar, according to the hydraulic seal principle, utilize under high temperature the metal that is fused into liquid to realize the self-sealing to bleeding point, vacuum glass pumping hole of the present invention is simple in structure, it is reliable, convenient for production, with low cost to seal, directly sealing in vacuum oven, avoided the existing possibility of Glass tubing in melting moment air inlet of bleeding, and can improve the exhaust temperature of glass, glass absorption and dissolved gases are thoroughly got rid of, under vacuum condition, chemical transformation can not occur in brazing metal, solidify rear resistance to air loss good, can effectively guarantee the vacuum tightness of vacuum glass vacuum layer, with the bleeding point of existing vacuum glass, compare, its size of bleeding point of the present invention can be very large, its bleed-off passage sectional area is tens times to tens times of the existing Glass tubing of bleeding, the resistance of bleeding, inside and outside differential pressure is less, pumping speed, the vacuum tightness of vacuum layer is higher, thereby be conducive to improve the heat insulation of vacuum glass, sound-proofing properties, extend its work-ing life, self-sealing in vacuum oven, can mass production, can greatly improve vacuum glass production efficiency and qualification rate, reduce production costs, the fusing point of brazing metal is easy to select, and can carry out the integral body heating and guarantee that toughened glass is unannealed toughened glass, realizes mass making toughened vacuum glass.
The accompanying drawing explanation
Fig. 1 is the structural representation that lower-glass of the present invention has the vacuum glass pumping hole of pit;
The structural representation that Fig. 2 is the reeded vacuum glass pumping hole of lower-glass of the present invention.
In figure: 1. upper glass, 2. lower-glass, 3. pipe, 4. pit or groove, 5. brazing metal, 6. seal gum, 7. trade mark or tinsel.
Embodiment
Below adopt embodiment and accompanying drawing to describe embodiments of the present invention in detail, to the present invention, how the utilisation technology means solve technical problem whereby, and the implementation procedure of reaching technique effect can fully understand and implement according to this.
Embodiment 1: referring to Fig. 1, vacuum glass is comprised of upper glass 1 and lower-glass 2, bore a V-type through hole and form bleeding point on upper glass 1, producing a metal circular tube 3 inserts in bleeding point, the top of pipe 3 is lower than the upper surface of upper glass 1, and pipe 3 closely cooperates with the end opening of bleeding point, forms a groove between the top of pipe 3 and bleeding point, scolder is placed in the bottom of groove, scolder is glass solder or metal paste, when edge sealing, pipe 3 and upper glass 1 is welded together; Utilize the concentric pit of mechanical workout one and bleeding point 4 on the upper surface of lower-glass 2, the lower end of the pipe 3 of upper glass 1 can be inserted in the pit 4 of lower-glass 2, between pipe 3 and pit 4, is bleed-off passage; Then utilize low temperature glass solder upper lower-glass after involution piece in the constant-pressure and high-temperature stove to carry out edge sealing, glass after edge sealing is from High Temperature Furnaces Heating Apparatus takes out, while hot brazing metal 5 is put into to bleeding point as tin alloy, send in vacuum furnace with being about to glass, can once send into multiple pieces of glass; To the heating under vacuum sole vacuumize, limit heating, be evacuated to below 0.1Pa, be warming up to the temperature of fusion of brazing metal 5 tin alloys as more than 350 ℃, brazing metal 5 tin alloys are fused into liquid retention in the pit 4 of lower-glass 2, the lower end of the pipe 3 of upper glass 1 also is submerged in liquid, and liquid is by the bleeding point self-sealing; Stop heating, lower the temperature with stove, brazing metal 5 tin alloys condense into solid, and bleeding point is realized to airtight sealing, open vacuum furnace, take out vacuum glass.
Embodiment 2: referring to Fig. 2, substantially the same manner as Example 1, difference is that bleeding point is comprised of the circular hole of two upper big, lower small, pipe 3 closely cooperates with little circular hole, pipe 3 changes Glass tubing into and the lower end at described pipe 3 by the metal paste sintering, placing toughened glass printing ink in groove, make itself and pipe 3 weld together during upper glass 1 tempering; Make a groove 4 on the upper surface of lower-glass 2, the preferred paint metals slurry of the internal surface of groove, with the reinforced seal effect; The lower end of the pipe 3 of upper glass 1 can be inserted in the groove 4 of lower-glass 2, and the space between pipe 3 and groove 4 is bleed-off passage; Then utilize low temperature glass solder upper lower-glass after involution piece in the constant-pressure and high-temperature stove to carry out edge sealing, glass after edge sealing is from High Temperature Furnaces Heating Apparatus takes out, while hot brazing metal 5 is put into to bleeding point or pipe as zinc alloy, send in vacuum furnace with being about to glass, can once send into multiple pieces of glass; To the heating under vacuum sole vacuumize, limit heating, be evacuated to below 0.1Pa, be warming up to the temperature of fusion of brazing metal 5 zinc alloys as more than 380 ℃, brazing metal 5 zinc alloys are fused into liquid retention in the groove 4 of lower-glass 2, the lower end of pipe 3 also is submerged in liquid, and liquid is by the bleeding point self-sealing; Stop heating, lower the temperature with stove, brazing metal 5 zinc alloys condense into solid, and bleeding point is realized to airtight sealing, open vacuum furnace, take out vacuum glass.Put into while hot seal gum 6 as butyl rubber in bleeding point, the top covering product brand 7 of seal gum 6, the upper surface flush of trade mark 7 and upper glass 1.
All above-mentioned these intellecture properties of primary enforcement, do not set restriction this product innovation of other forms of enforcement and/or novel method.Those skilled in the art will utilize this important information, and foregoing is revised, to realize similar implementation status.But all modifications or transformation belong to the right of reservation based on product innovation of the present invention.
The above, be only preferred embodiment of the present invention, is not the present invention to be done to the restriction of other form, and any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solution of the present invention content that do not break away from, any simple modification, equivalent variations and the remodeling above embodiment done 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 sealed structure of a vacuum glass pumping hole is characterized in that: make a call to a circular hole and make bleeding point on the upper glass of vacuum glass, produce a pipe and insert in circular hole, upper end and the upper glass of described pipe weld together; At the upper surface of lower-glass, the position corresponding with bleeding point prepares a pit or groove, and the lower end of described pipe can be inserted in described pit or groove, between described pipe and described pit or groove, is bleed-off passage; After upper and lower glazing gasket, brazing metal is put into to described bleeding point or pipe, described bleeding point is vacuumized, also heats and make described brazing metal be fused into liquid, described liquid retention is in described pit or groove, the lower end of described pipe also is submerged in described liquid, utilize the hydraulic seal principle by described bleeding point self-sealing, after cooling, described liquid solidifies, and realizes the airtight sealing to described bleeding point.
2. the sealed structure of vacuum glass pumping hole as claimed in claim 1 is characterized in that: described pipe with between described upper glass together with glass solder or metal paste welding.
3. the sealed structure of vacuum glass pumping hole as claimed in claim 1, it is characterized in that: described pipe is metal tube or Glass tubing.
4. the sealed structure of vacuum glass pumping hole as claimed in claim 3, it is characterized in that: described pipe is the metal tube close with the glass swelling coefficient.
5. the sealed structure of vacuum glass pumping hole as claimed in claim 3, it is characterized in that: when described pipe is Glass tubing, preferable alloy slurry sintering is in the lower end of described pipe.
6. the sealed structure of vacuum glass pumping hole as claimed in claim 1, is characterized in that: on the internal surface of described pit or groove, metal paste is arranged.
7. the sealed structure of vacuum glass pumping hole as claimed in claim 1, it is characterized in that: described brazing metal comprises low-temperature metal scolder and solder.
8. the sealed structure of vacuum glass pumping hole as claimed in claim 1 is characterized in that: described to vacuumize with bleeding point sealing be to utilize process furnace whole heating glass or local heating bleeding point, carry out in batches or monolithic is implemented.
9. the sealed structure of vacuum glass pumping hole as claimed in claim 1 is characterized in that: described bleeding point, after the brazing metal sealing, then is used sealant sealing, above seal gum, is trade mark or the metal finishing sheet of product.
10. the making method of the described vacuum glass pumping hole sealed structure of claim 1 to 9 any one, is characterized in that, comprising:
The first step, according to the size of required making bleeding point, on upper glass, bleeding point, the end opening that is greater than suitable for reading of bleeding point are made in boring;
Second step, getting a pipe inserts in bleeding point, the end opening internal diameter of the external diameter of pipe and bleeding point is complementary, the end opening of pipe and bleeding point closely cooperates, form a groove between the top of pipe and bleeding point, placing glass scolder or metal paste utilize High Temperature Furnaces Heating Apparatus or annealing furnace or edge sealing stove are welded in groove; Make pit or the groove concentric with bleeding point on the upper surface of lower-glass, the pipe of upper glass can be enclosed within the pit or groove of lower-glass;
The 3rd step, after upper and lower glazing gasket, pack brazing metal in bleeding point or pipe into, and send in vacuum furnace;
The 4th step, to described heating under vacuum sole vacuumize, limit heating, be evacuated to 0.1Pa following, be warming up to the temperature of fusion of brazing metal more than, brazing metal is fused into liquid, liquid retention is in the pit or groove of lower-glass, pipe on upper glass also is submerged in liquid, and liquid is by the bleeding point self-sealing; Stop heating, with stove cooling, brazing metal solidifies realizes airtight sealing afterwards to bleeding point, opens vacuum furnace, takes out vacuum glass;
The 5th step is put into seal gum in bleeding point, Paste Product trade mark or metal finishing sheet on seal gum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102985094A CN103420568A (en) | 2013-07-17 | 2013-07-17 | Seal structure of vacuum glass air suction mouth and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102985094A CN103420568A (en) | 2013-07-17 | 2013-07-17 | Seal structure of vacuum glass air suction mouth and manufacturing method thereof |
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| CN103420568A true CN103420568A (en) | 2013-12-04 |
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| CN2013102985094A Pending CN103420568A (en) | 2013-07-17 | 2013-07-17 | Seal structure of vacuum glass air suction mouth and manufacturing method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107213819A (en) * | 2017-05-27 | 2017-09-29 | 罗斯（无锡）设备有限公司 | A kind of large-scale mixing plant |
| CN113324877A (en) * | 2021-06-01 | 2021-08-31 | 上海应用技术大学 | Ultra-low oxygen partial pressure sealing chamber seat dropping method for observing wetting angle of aluminum and magnesium melt |
| CN113324877B (en) * | 2021-06-01 | 2025-04-11 | 上海应用技术大学 | Observation of the wetting angle of aluminum and magnesium molten solutions using the sessile drop method in a sealed chamber with extremely low oxygen partial pressure |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 CN2013102985094A patent/CN103420568A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Non-Patent Citations (1)
| Title |
|---|
| 王承遇等: "《玻璃材料手册》", 31 January 2008, article "真空玻璃", pages: 151-159 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107213819A (en) * | 2017-05-27 | 2017-09-29 | 罗斯（无锡）设备有限公司 | A kind of large-scale mixing plant |
| CN113324877A (en) * | 2021-06-01 | 2021-08-31 | 上海应用技术大学 | Ultra-low oxygen partial pressure sealing chamber seat dropping method for observing wetting angle of aluminum and magnesium melt |
| CN113324877B (en) * | 2021-06-01 | 2025-04-11 | 上海应用技术大学 | Observation of the wetting angle of aluminum and magnesium molten solutions using the sessile drop method in a sealed chamber with extremely low oxygen partial pressure |
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Application publication date: 20131204 |