CN105502961A - Vacuum glass sealing method and device - Google Patents
Vacuum glass sealing method and device Download PDFInfo
- Publication number
- CN105502961A CN105502961A CN201510959639.7A CN201510959639A CN105502961A CN 105502961 A CN105502961 A CN 105502961A CN 201510959639 A CN201510959639 A CN 201510959639A CN 105502961 A CN105502961 A CN 105502961A
- Authority
- CN
- China
- Prior art keywords
- vacuum
- vacuum glass
- glass
- cap liner
- bleeding point
- 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.)
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Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/20—Uniting glass pieces by fusing without substantial reshaping
- C03B23/24—Making hollow glass sheets or bricks
- C03B23/245—Hollow glass sheets
Abstract
The invention discloses a vacuum glass sealing method. The method includes the following steps that firstly, a metal layer is prepared on the peripheral edge of the outer surface of an exhaust port; secondly, metal solder is pre-arranged on the metal layer and/or a sealing piece; thirdly, the sealing piece is placed on the exhaust port of vacuum glass; fourthly, the vacuum glass in the third step is conveyed into a vacuum box, and the vacuum box is vacuumized to a set value; fifthly, the metal solder disposed around the exhaust port and/or the metal solder on the sealing piece is heated, so that the metal solder is completely melted, and vacuumizing continues in the heating process so that the set value in the fourth step can be kept; sixthly, heating stops, the sealing piece is pressed on the exhaust port to complete sealing. According to the method, gas released by the solder in the heating process is exhausted through a vacuum system before the exhaust port is sealed, and it is avoided that gas released by the solder after heating enters a vacuum cavity of the vacuum glass. The vacuum degree in the vacuum cavity of the vacuum glass is guaranteed. The invention further comprises a vacuum glass sealing device.
Description
Technical field
The present invention relates to a kind of mouth-sealing method and closing device of vacuum glass, belong to glass processing field.
Background technology
The glass substrate that vacuum glass is packaged together by two panels usually forms, and generally a slice glass substrate is wherein provided with bleeding point.At present, the production method of vacuum glass is generally: 1, encapsulate two panels glass substrate, 2, by bleeding point by the evacuate space between two panels glass substrate; 3, the vacuum tightness of setting is reached in the vacuum tightness of vacuum glass inside, such as: 10
-3-10
-5after Pa, use cap liner to be sealed by bleeding point, finally form vacuum glass.
As shown in Figure 1, existing vacuum glass closing device, such as: application number is the Chinese patent of 201520403588.5, generally includes vacuum chamber 1, rollgang 2, heat block 5, elastic buffering mechanism 14 and piston cylinder 10.Vacuum chamber 1 inside is vacuum environment.The import and the outlet that connect vacuum chamber 1 are provided with rollgang 2, and vacuum glass 3 delivers to outlet by rollgang 2 from import.The top of rollgang 2 is provided with heat block 5, and heat block 5 is fixedly mounted on the bottom of elastic buffering mechanism 14, and the top of elastic buffering mechanism 14 is connected with the piston cylinder 10 of vacuum chamber 1 outside; During sealing, control heat block 5 by piston cylinder 10 and be pressed against on cap liner 4, after glass solder fusing, remove heat block 5.
Find in practice process, dissolved gas when utilizing said apparatus to seal on cap liner in solder can discharge when solder fusing, and the gas of these releases is sealed in the vacuum layer of vacuum glass and cannot extracts out, the vacuum glass completed is caused not reach desirable vacuum tightness.And in other forms of vacuum glass closing device and method also in various degree there are the problems referred to above, the yield rate that vacuum glass is produced is low, and production cost is high.
Summary of the invention
Discharge the problem entering into vacuum chamber and cannot get rid of to solve in above-mentioned prior art in solder existing in vacuum glass capping processes gas at solder fusing, the invention provides a kind of vacuum seal method, the method the solder for closed bleeding point before melting bleeding point do not close always, until solder is after completing heating, re-uses cap liner and bleeding point is sealed.By using method disclosed in invention, can make solder in heat-processed to produce and/or escaping gas is extracted out by the vacuum chamber of vacuum glass in vacuum subsequently, the vacuum tightness in vacuum chamber can not be affected.Improve vacuum glass vacuum tightness and yield rate.In addition, the application also comprises a kind of vacuum glass packaging system.
In order to solve the problem, technical scheme provided by the present invention is:
A kind of vacuum glass mouth-sealing method, for the bleeding point of encapsulated vacuum glass, the method comprises the following steps:
1) metal level is prepared at the periphery of the outside surface of the bleeding point of vacuum glass;
2) preset brazing metal on described metal level and/or cap liner;
3) cap liner is placed on the bleeding point of vacuum glass;
4) vacuum glass in step 3 is sent in vacuum chamber, and vacuum chamber is vacuumized until set(ting)value;
5) heating is arranged on the brazing metal around bleeding point and/or the brazing metal on cap liner, makes it whole fusing; The set(ting)value vacuumizing to keep in step 4) is continued in heat-processed;
6) stop heating, cap liner is pressed on bleeding point, after brazing metal solidifies, completes sealing.
Further, described metal level is made up of the tinsel being suitable for soldering, and tinsel is fixed by welding on described glass substrate; Or described metal level is the metal layer of sintering on glass baseplate surface.
Further, the outside surface of described glass substrate is provided with the counterbore concentric with described aspirating hole, described metal level and described first brazing metal are arranged in described counterbore.
Further, described brazing metal is tin, tin alloy, indium or indium alloy.
Further, described cap liner is metal seal sheet, is fixed on described bleeding point by described cap liner after on the bleeding point being placed on vacuum glass by spot welding method.
A kind of vacuum glass closing device, for being closed by the bleeding point cap liner of vacuum glass, comprising:
For holding the vacuum chamber of vacuum glass, described vacuum chamber is formed with the base plate hermetic seal being arranged on annular sidewall bottom by annular sidewall and the top board being arranged on annular sidewall top;
For the heating unit for vacuum glass pumping hole and cap liner heating;
For described cap liner being pressed on the hold-down gear at described bleeding point place; With
Be arranged in vacuum chamber, for carrying the transfer mechanism of vacuum glass.
Further, described heating unit is be arranged on the laser heating device outside described vacuum chamber, described vacuum chamber is provided with the transparent window that the laser that sends for described laser heating device passes.
Further, described hold-down gear comprises for executing stressed thrustor to described cap liner and being connected with described thrustor, for contacting with described cap liner and the jacking force of described thrustor being passed to the clamping piece of described cap liner, described thrustor is fixed on described vacuum chamber.
Further, described hold-down gear also comprises the snubber assembly for preventing jacking force excessive, glass substrate being caused to damage, and described thrustor is fixedly connected with described clamping piece by described snubber assembly.
Further, described snubber assembly comprises:
With the overhead gage of two through holes, described overhead gage is fixedly connected with the output terminal of described thrustor;
For the lower baffle plate be connected with clamping piece;
Two one end are with the stock of flange, and two described stocks are each passed through the through hole on described overhead gage, and the flange on it is resisted against on overhead gage, and the lower end of described stock is fixed on described lower baffle plate;
Two springs, are set on two described stocks, and between overhead gage and lower baffle plate.
The invention provides a kind of for encapsulated vacuum glass bleeding point vacuum glass method for packing, cap liner compression by first melting the brazing solder on bleeding point and cap liner, and then is sealed vacuum glass pumping hole by the method.The present invention adopts and first heats the method for sealing afterwards, and the gas that braze is discharged in heat-processed is extracted out by vacuum system before bleeding point sealing, avoids the gas discharged after the heating in braze and enters in the vacuum chamber of vacuum glass.Ensure that the vacuum tightness in vacuum glass vacuum chamber.
Accompanying drawing explanation
Fig. 1 is a kind of vacuum glass closing device of the present invention structural representation;
Fig. 2 is A place enlarged view in Fig. 1;
Fig. 3 is the present invention's another kind of vacuum glass closing device structural representation.
Embodiment
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As shown in Figure 1,3, involved in the present invention vacuum glass 10 comprises: two pieces of glass substrates be packaged together are vacuum chamber between two pieces of glass substrates, and top glass substrate 10a is provided with the bleeding point 12 for being vacuumized by vacuum chamber.
In encapsulation process, first, at the metal level 14 be consolidated with top glass substrate 10a prefabricated around bleeding point 12, metal level 10 also presets the first brazing metal 15.Cap liner 16 and the matching form of bleeding point 12, for closed bleeding point 12, it presets the second brazing metal 17.In order to prevent cap liner 16 to be shifted because of vibrations, by techniques such as spot welding, cap liner 16 can be tentatively fixed on bleeding point 12 place.In addition, in this step, can also only preset brazing metal on metal level 14 or cap liner 16, as long as meet seal request.
Then, vacuum glass 10 is put in vacuum chamber 1 or other enclosed spaces, and vacuum chamber 1 is vacuumized until the vacuum tightness in vacuum chamber 1 reaches set(ting)value.Subsequently, heating is arranged on the first brazing metal 15 around bleeding point 12 and the second brazing metal 17 on cap liner 16, and the first brazing metal 15 and the second brazing metal 17 are melted completely.
Brazing metal may produce when melting or overflow gas, for ensureing the vacuum tightness in vacuum chamber, then needs to continue to vacuumize vacuum chamber 1, to keep above-mentioned set(ting)value.Then, stop heating, cap liner 16 is pressed on bleeding point 12, treats that the first brazing metal and the second brazing metal solidify, after fusing together, complete sealing.
Wherein, metal level 14 can be made up of the tinsel being suitable for soldering, and is fixed on the surface of top glass substrate 10a by modes such as ultrasonic welding; Or be the metal layer of sintering on top glass substrate 10a surface.When preparing this metal layer, first, metal paste coating is prepared on the surface of top glass substrate 10a, then glass substrate, metal paste coating is sintered into the metal layer be consolidated with top glass substrate 10a, metal paste coating wherein can adopt the modes such as dip-coating, spraying, silk screen printing, manual coating or mechanical application to be prepared on the surface of top glass substrate 10a.
Cap liner 16 can be the tinsel be made up of the metallic substance being suitable for soldering, and is tentatively fixed on bleeding point 12 by modes such as spot welding.
The shape of metal level 14 is preferably suitable for the concentric annular of bleeding point 12, and corresponding cap liner 16 is equally also the circle matched with metal level 14.First brazing metal 15 and the second brazing metal 17 are thin slice.Its material is preferably braze; What be more preferably is tin, tin alloy, indium or indium alloy braze.
The outside surface of top glass substrate is provided with the counterbore concentric with described aspirating hole, metal level 14 and the first brazing metal are all arranged in described counterbore.Like this cap liner 16 is being fixed on after in counterbore 13, its outside surface can be made concordant with the upper surface of top glass substrate 10a, facilitating the follow-up use of vacuum glass.
As shown in Figure 1, 2, a kind of vacuum glass closing device of the present invention, for being closed with cap liner 16 by the bleeding point 12 of vacuum glass 10, comprising: vacuum chamber 1, heating unit 3, hold-down gear and transfer mechanism 11.
Vacuum chamber 1 for holding vacuum glass 10 to be sealed, and provides vacuum space for it.Vacuum chamber 1 is made up of annular sidewall and the top board being arranged on annular sidewall top and the base plate that is arranged on annular sidewall bottom, annular sidewall be hermetic seal between top board and base plate and be connected.The top board of vacuum chamber 1 is also provided with transparent window 2, and preferably, the material of transparent window 2 is silica glass.
Heating unit 3 is for being arranged on the laser heating device above vacuum chamber 1, and the light beam 20 that it emits is injected in vacuum chamber 1 through transparent window 2, for vacuum glass 10 heats.Certainly, heating unit also can for being arranged on other heating units in portion in or beyond vacuum chamber 1.
Hold-down gear comprises thrustor and clamping piece for providing power for compressing cap liner 16.Thrustor can be hydro-cylinder, cylinder and electrical control mechanism.As shown in Figure 1, when being thrustor selecting cylinder, its cylinder part 4 is fixed on the top board of vacuum chamber 1, and its piston rod 5 stretches out to vacuum chamber 1 inside.The lower end of piston rod 5 is connected with the clamping piece 9 for compressing cap liner 16.When needs compress cap liner 16, piston rod 5 stretches out, and drives clamping piece 9 to decline, is pressed on bleeding point 12 place for cap liner 16 applies pressure.Because heating unit 3 is for being arranged on the laser heating device of vacuum chamber 1 outside, so clamping piece 9 also needs to adopt transparent material to make, to avoid blocking the light beam 20 that laser heating device sends.Cause in the hold-down gear of damage vacuum glass 10 to prevent jacking force excessive and also comprise snubber assembly, piston rod 5 is fixedly connected with clamping piece 9 by snubber assembly.
Snubber assembly comprises: overhead gage 7, lower baffle plate 8, two springs 6 and two one end are with the stock 6a of flange.Overhead gage 7 is provided with two through holes, it is fixedly installed on the lower end of piston rod 5, and preferably, makes on it two through holes lay respectively at the both sides of piston rod 5.Two stock 6a pass respectively from two of overhead gage 7 through holes, and its flange portion leans on overhead gage 7, and two springs 6 are set on two stock 6a respectively, and the lower end of two stock 6a is fixed on lower baffle plate 8.Clamping piece 9 is fixedly connected with lower baffle plate 8.When stretching out during piston rod 5 is by cylinder body, snubber assembly and clamping piece 9 is driven to move downward, when clamping piece 9 moves downward vacuum glass 10 place, and after contacting with top glass substrate 10a, piston rod 5 continues descending, overhead gage 7 is thereupon descending and be pressed against on spring 6 and apply elastic pressure by holddown spring 6 to cap liner 16, and piston rod 5 so just can be avoided too to press down the damage caused vacuum glass 10.
It is inner that transfer mechanism 11 arranges vacuum chamber 1, and it can match with the rollgang etc. of outside, carries vacuum glass 10 between each operation.In the present invention, transfer mechanism 11 is also played a supporting role to vacuum glass when sealing.
It is more than the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a vacuum glass mouth-sealing method, for the bleeding point of encapsulated vacuum glass, it is characterized in that, the method comprises the following steps:
1) metal level is prepared at the periphery of bleeding point outside surface;
2) preset brazing metal on described metal level and/or cap liner;
3) cap liner is placed on the bleeding point of vacuum glass;
4) vacuum glass in step 3 is sent in vacuum chamber, set(ting)value is evacuated to vacuum chamber;
5) heating is arranged on the brazing metal around bleeding point and/or the brazing metal on cap liner, makes it whole fusing; The set(ting)value vacuumizing to keep in step 4) is continued in heat-processed;
6) stop heating, cap liner is pressed on bleeding point, after brazing metal solidifies, completes sealing.
2. according to the mouth-sealing method of vacuum glass described in claim 1, it is characterized in that, described metal level is made up of the tinsel being suitable for soldering, and tinsel is fixed by welding on described glass substrate; Or described metal level is the metal layer of sintering on glass baseplate surface.
3. according to the mouth-sealing method of vacuum glass described in claim 1, it is characterized in that, the outside surface of described glass substrate is provided with the counterbore concentric with described aspirating hole, described metal level and described brazing metal are arranged in described counterbore.
4. according to the mouth-sealing method of vacuum glass described in claim 1, it is characterized in that, described brazing metal is tin, tin alloy, indium or indium alloy.
5. according to the mouth-sealing method of vacuum glass described in claim 1, it is characterized in that, described cap liner is metal seal sheet, is fixed on described bleeding point by described cap liner after on the bleeding point being placed on vacuum glass by dot welding method.
6. a vacuum glass closing device, for being closed by the bleeding point cap liner of vacuum glass, is characterized in that, described vacuum glass closing device comprises:
For holding the vacuum chamber of vacuum glass, described vacuum chamber is formed with the base plate hermetic seal being arranged on annular sidewall bottom by annular sidewall and the top board being arranged on annular sidewall top;
For the heating unit for vacuum glass pumping hole and cap liner heating;
For described cap liner being pressed on the hold-down gear at described bleeding point place; With
Be arranged in vacuum chamber, for carrying the transfer mechanism of vacuum glass.
7. according to the closing device of vacuum glass described in claim 6, it is characterized in that, described heating unit is be arranged on the laser heating device outside described vacuum chamber, described vacuum chamber is provided with the transparent window that the laser that sends for described laser heating device passes.
8. according to the closing device of vacuum glass described in claim 6, it is characterized in that, described hold-down gear comprises for executing stressed thrustor to described cap liner and being connected with described thrustor, for contacting with described cap liner and the jacking force of described thrustor being passed to the clamping piece of described cap liner, described thrustor is fixed on described vacuum chamber.
9. according to Claim 8 described in vacuum glass closing device, it is characterized in that, described hold-down gear also comprises the snubber assembly for preventing jacking force excessive, glass substrate being caused to damage, and described thrustor is fixedly connected with described clamping piece by described snubber assembly.
10. according to the closing device of vacuum glass described in claim 9, it is characterized in that, described snubber assembly comprises:
With the overhead gage of two through holes, described overhead gage is fixedly connected with the output terminal of described thrustor;
For the lower baffle plate be connected with clamping piece;
Two one end are with the stock of flange, and two described stocks are each passed through the through hole on described overhead gage, and the flange on it is resisted against on overhead gage, and the lower end of described stock is fixed on described lower baffle plate;
Two springs, are set on two described stocks, and between overhead gage and lower baffle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510959639.7A CN105502961A (en) | 2015-12-21 | 2015-12-21 | Vacuum glass sealing method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510959639.7A CN105502961A (en) | 2015-12-21 | 2015-12-21 | Vacuum glass sealing method and device |
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| Publication Number | Publication Date |
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| CN105502961A true CN105502961A (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510959639.7A Pending CN105502961A (en) | 2015-12-21 | 2015-12-21 | Vacuum glass sealing method and device |
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| CN (1) | CN105502961A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108860802A (en) * | 2018-04-27 | 2018-11-23 | 深圳市和拓创新科技有限公司 | A kind of full-automatic hot-pressing indium envelope equipment |
| CN109665726A (en) * | 2019-01-02 | 2019-04-23 | 洛阳八佳电气科技股份有限公司 | A kind of edge bonding method of vacuum glass |
| CN110204185A (en) * | 2019-07-05 | 2019-09-06 | 郑州科探仪器设备有限公司 | A kind of quartz ampoule vacuum seal method and quartz ampoule vacuum seal equipment |
| CN111473103A (en) * | 2020-04-28 | 2020-07-31 | 东莞利得机电有限公司 | Speed reducer assembling method and speed reducer assembling device |
| CN111908808A (en) * | 2020-08-19 | 2020-11-10 | 四川零能昊科技有限公司 | Exhaust sealing assembly and exhaust sealing device |
| CN113149415A (en) * | 2020-11-30 | 2021-07-23 | 盐城博硕真空设备有限公司 | One-step method, no-extraction-opening all-tempered vacuum glass laminating method and equipment |
| CN115745429A (en) * | 2022-11-23 | 2023-03-07 | 四川零零昊科技有限公司 | Vacuum glass online sealing system, online sealing method and continuous production system |
| CN116081962A (en) * | 2023-02-10 | 2023-05-09 | 福耀高性能玻璃科技(福建)有限公司 | Vacuum glass sealing device |
| CN116217096A (en) * | 2023-03-07 | 2023-06-06 | 福耀高性能玻璃科技(福建)有限公司 | Vacuum glass sealing method and device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108860802A (en) * | 2018-04-27 | 2018-11-23 | 深圳市和拓创新科技有限公司 | A kind of full-automatic hot-pressing indium envelope equipment |
| CN109665726A (en) * | 2019-01-02 | 2019-04-23 | 洛阳八佳电气科技股份有限公司 | A kind of edge bonding method of vacuum glass |
| CN110204185A (en) * | 2019-07-05 | 2019-09-06 | 郑州科探仪器设备有限公司 | A kind of quartz ampoule vacuum seal method and quartz ampoule vacuum seal equipment |
| CN110204185B (en) * | 2019-07-05 | 2024-01-26 | 郑州科探仪器设备有限公司 | Quartz tube vacuum sealing method and quartz tube vacuum sealing equipment |
| CN111473103A (en) * | 2020-04-28 | 2020-07-31 | 东莞利得机电有限公司 | Speed reducer assembling method and speed reducer assembling device |
| CN111908808A (en) * | 2020-08-19 | 2020-11-10 | 四川零能昊科技有限公司 | Exhaust sealing assembly and exhaust sealing device |
| CN111908808B (en) * | 2020-08-19 | 2023-11-10 | 四川零能昊科技有限公司 | Exhaust seal assembly and exhaust seal device |
| CN113149415A (en) * | 2020-11-30 | 2021-07-23 | 盐城博硕真空设备有限公司 | One-step method, no-extraction-opening all-tempered vacuum glass laminating method and equipment |
| CN115745429A (en) * | 2022-11-23 | 2023-03-07 | 四川零零昊科技有限公司 | Vacuum glass online sealing system, online sealing method and continuous production system |
| CN116081962A (en) * | 2023-02-10 | 2023-05-09 | 福耀高性能玻璃科技(福建)有限公司 | Vacuum glass sealing device |
| CN116217096A (en) * | 2023-03-07 | 2023-06-06 | 福耀高性能玻璃科技(福建)有限公司 | Vacuum glass sealing method and device |
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Application publication date: 20160420 |