CN203159447U - Planar vacuum glass manufactured through glass solder welding via microwave and edge sealing by strip frames - Google Patents
Planar vacuum glass manufactured through glass solder welding via microwave and edge sealing by strip frames Download PDFInfo
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- CN203159447U CN203159447U CN 201220569772 CN201220569772U CN203159447U CN 203159447 U CN203159447 U CN 203159447U CN 201220569772 CN201220569772 CN 201220569772 CN 201220569772 U CN201220569772 U CN 201220569772U CN 203159447 U CN203159447 U CN 203159447U
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- glass
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- edge sealing
- sealing bar
- solder
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Abstract
Planar vacuum glass manufactured through glass solder welding via microwave and edge sealing by strip frames is characterized by comprising upper glass and lower glass which are planar glass; edge sealing strip frames are mounted on the periphery of the welding surface of the upper glass and the lower glass, the peripheries of the upper glass and the lower glass are welded together by low-temperature solder via microwave, and the low-temperature solder is low-melting-point glass solder; and a closed vacuum layer is formed between the upper glass and the lower glass. Through the mutual engagement between upper and lower edge sealing strip frames, the sealing effect of the vacuum glass is guaranteed. The vacuum glass has the advantages of simple manufacturing process, low cost, high production efficiency, reliable sealing and good sealing effect.
Description
Technical field
The utility model relates to the processing and manufacturing of glass, especially makes a kind of vacuum glass.
Background technology
Vacuum glass is a kind of best energy-saving glass product, can be widely used in industrial or agricultural fields such as building window, glass curtain wall, refrigerator and refrigerator and the resident's daily living article, is good heat insulation, sound insulation and finishing material.In the making processes of vacuum glass, the structure of edge sealing-in and technology be guarantee that circumference of vacuum glass is indeformable, do not produce the stress that exceeds standard, air tight and keep the gordian technique of toughened glass characteristic.The main weak point of existing vacuum glass is: the one, and structure and complex process are not suitable for mechanize, automatization and mass production; The 2nd, the difficulty of bleeding in the edge sealing process, need be not suitable for directly bleeding from the limit portion of glass at the bleeding point that arranges on glass; The 3rd, easily run off the reliability of influence sealing after the solder high temperature melting; The 4th, toughened glass unfairness sealing difficulty.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model provides a kind of vacuum glass, it comprises upper glass, lower-glass, described upper glass and described lower-glass are flat glasss, the periphery of the face of weld of described upper glass and described lower-glass has edge sealing bar frame, the periphery of described upper glass and described lower-glass utilizes microwave to weld together by solder, described solder is low temperature glass solder, form the vacuum layer of a sealing between described upper glass and the described lower-glass, in the described vacuum layer upholder is arranged, above support has one deck or two-layer.
Wherein, described vacuum glass can also comprise an intermediate glass, and described intermediate glass is clipped between described upper glass and the described lower-glass, and described upper glass and described lower-glass form the vacuum layer of two sealings respectively with described intermediate glass.
Wherein, above support is made by low temperature glass, metal, pottery, glass or plastics, preferred printing cryogenic glass powder or the low temperature glass solder of adopting prepares, and the temperature of fusion of described cryogenic glass powder is 550～750 ℃, and the temperature of fusion of described low temperature glass solder is 350～550 ℃.
Wherein, above support be printed on one on glass, or be printed on two on glass, conventional vacuum glass preferably be printed on one on glass, toughened vacuum glass preferably be printed on two on glass.
Wherein, above support is column, or is strip; When upholder is printed on one when on glass, be preferably cylindric; When upholder is printed on two when on glass simultaneously, be preferably strip, and vertical pile.
Wherein, described mode of printing comprises modes such as mould printing, silk screen printing and printer printing; Described mode of printing comprises hardboard (net) printing and soft board (net) printing, and described hardboard (net) mainly is plate, the net that metallic substance is made, and described soft board (net) mainly is plate, the net that organic materials is made.
Wherein, when above support is printed before glass tempering or before the curing of edge sealing bar frame, preferably adopt soft board (net) to print; When above support is printed behind glass tempering or after the curing of edge sealing bar frame, preferably adopt hardboard (net) to print, hardboard (net) printing can make the top of upholder be on the plane, is out of shape the influence that brings the glass planeness with the elimination glass tempering; When above support was printed before glass tempering or before the curing of edge sealing bar frame, preferred cryogenic glass powder was made; When upholder was printed behind glass tempering or after the curing of edge sealing bar frame, preferred low temperature glass solder was made.
Wherein, when above support is printed before glass tempering or before the curing of edge sealing bar frame, preferably carrying out mechanical workout behind the tempering or after the curing of edge sealing bar frame, as turning, grinding, polishing or laser sculpture etc., make the top of upholder be on the plane or make its shape size uniform, bring influence to glass planeness or shape to eliminate the glass tempering distortion.
Wherein, the periphery of described upper glass face of weld has an edge sealing bar frame at least, and the periphery of described lower-glass face of weld has two edge sealing bar frames at least.
Wherein, described edge sealing bar frame is made by printing or mode such as spraying, preferably adopts the silk screen printing cryogenic glass powder to make, and it is 550～750 ℃ glass glaze that described cryogenic glass powder is preferably commercially available melt temperature; When described edge sealing bar frame prepares, can be once to finish, also can be repeatedly to finish.
Wherein, it is absorbing material that described cryogenic glass powder contains the strong material of wave-sucking performance, and described absorbing material comprises Graphite Powder 99, SiC powder, BaO powder and metal powder etc.
Wherein, described mode of printing is to adopt silk screen printing or methods such as mould printing or printer, and cryogenic glass powder is imprinted on the fin that formation on glass is raised in glass surface.
Wherein, the edge sealing bar frame of described lower-glass is Duoed one than the edge sealing bar frame of described upper glass, be that described upper glass contains an edge sealing bar frame at least, described lower-glass contains two edge sealing bar frames at least, the edge sealing bar frame of described upper glass is inserted in the edge sealing bar frame of described lower-glass, the edge sealing bar frame of described upper and lower glass is entrenched togather mutually, and vacuum layer is carried out labyrinth seal; Described edge sealing bar frame when the upper surface of the intermediate glass of the vacuum glass with two vacuum layer, identical with described lower-glass, when the lower surface of described intermediate glass, identical with described upper glass.
Wherein, described solder is low temperature glass solder, and the sealing temperature scope of described low temperature glass solder is 350～550 ℃, is preferably 380～450 ℃.
Wherein, described upper glass, the material of lower-glass and intermediate glass is simple glass, or toughened glass, or half tempered glass, or low emissivity glass, or chilled glass (comprising physical strengthening and chemical enhanced), or heat-reflecting glass, or wire glass, or rolled glass, or hot melt glass, or the combination of above any two or three kinds of glass, more preferably tempering or half tempered glass, chilled glass and low emissivity glass further are preferably the combination of tempering or half tempered glass and low radiation tempering or half tempered glass, the combination of tempering or half tempered glass and low radiation chilled glass, the combination of tempering or half tempered glass and low emissivity glass.
Wherein, described coated glass comprises low emissivity glass and heat-reflecting glass etc., and described coated glass has good wave-sucking performance, can directly utilize microwave to carry out heat temperature raising.
The beneficial effects of the utility model are:
On the vacuum glass of the present utility model, the periphery of lower-glass contains edge sealing bar frame, make that the edge sealing of vacuum glass is easier, the mutual chimeric sealing effectiveness of glass under the distortion situation that guaranteed of last lower sealing edge bar frame, have the bonding strength higher than solder between edge sealing bar frame and the last lower-glass, sealing surface area and airtight layer thickness between the last lower-glass have been increased, solved the uneven problem of sealing at existing vacuum glass edge, sticking power and the adhesion strength of sealing-in have been strengthened greatly, on having increased, the tightness of vacuum layer between the lower-glass, improved the life-span of vacuum glass, and can save and make and the great bleeding point of sealing difficulty, realized that the single stage method mass prepares vacuum glass and toughened vacuum glass.
The advantage of microwave heating is that rate of heating is fast, cooling rate is fast, be conventional several times or tens times of heating, can selectivity and even heating solder of inside and outside while, the sintering temperature that solder and glassy phase weight/power ratio are minimum, microwave heating can reduce solder again, so energy consumption is low, thus microwave heating have energy-conservation, save time, high-quality, advantage efficiently; Microwave heating can promote the diffusion of molecule, so microwave heating can reduce sintering temperature or welding temperature, more is conducive to the welding of tempering or half tempered glass; Microwave heating can make the temperature of bulk glass be lower than the temperature of solder, can effectively prevent the annealing of toughened glass in the edge sealing process, so can direct production tempering or half tempered vacuum glass; In addition, microwave heating can also promote polar gas molecule such as the H that glass surface is adsorbed
2O, CO
2With the desorb of CO etc., thus the work-ing life of further improving the vacuum tightness of vacuum glass and performance, prolongation vacuum glass.
Description of drawings
Fig. 1 is vacuum glass structural representation of the present utility model;
Fig. 2 is strengthened vacuum glass structural representation of the present utility model;
Fig. 3 is the toughened vacuum glass structural representation with two-layer upholder of the present utility model;
Among the figure: 1. upper glass, 2. lower-glass, 3. solder, 4. edge sealing bar frame, 5. upholder.
Embodiment
Below adopt embodiment and accompanying drawing to describe embodiment of the present utility model in detail, how the utilisation technology means solve technical problem to the utility model whereby, and the implementation procedure of reaching technique effect can fully understand and implements according to this.
Embodiment 1: referring to Fig. 1, vacuum glass is made up of two blocks of glass up and down, wherein one is low emissivity glass, its making method is as follows: at first according to the shape of made vacuum glass and one flat plate glass and low emissivity glass of size cutting desired size, carry out edging, chamfering, membrane removal, clean, after the drying, utilize printing technology that cryogenic glass powder cream is printed to edge sealing bar frame at upper glass, utilize polyester net that cryogenic glass powder cream is printed to edge sealing bar frame and upholder at lower-glass, after last lower-glass closed sheet, the edge sealing bar frame of upper glass can be embedded between the edge sealing bar frame of lower-glass; Upholder is that minimum unit is that the dot matrix of equilateral triangle is arranged, and the leg-of-mutton length of side is 30mm, and upholder is cylindric, and its diameter is 0.5mm, highly is 0.3mm; Secondly two blocks of glass are sent into respectively in the High Temperature Furnaces Heating Apparatus, high temperature action lower seal edge strip frame and the upholder of 550～650 ℃ of High Temperature Furnaces Heating Apparatuss soften or fusion and glassy bond together, be down to room temperature immediately; If edge sealing bar frame or upholder shape in sintering process change, can make it uniform by mode such as turning, the grinding etc. of mechanical workout; Be coated with full low temperature glass solder between the edge sealing bar frame with lower-glass again, two glass consistencies from top to bottom be stacked together, and leave bleed-off passage, send in the microwave oven; Vacuumize at last and heating operation, be evacuated to below the 0.1Pa, start microwave heating, absorb microwave and slowly be warming up to more than the melt temperature of low temperature glass solder as 400 ℃ by low emissivity glass and solder, the low temperature glass solder fusion, the edge sealing bar frame of upper glass between the edge sealing bar frame that embeds lower-glass under the effect of gravity, fusion with two glass cementations of low temperature glass solder together; Stop heating, lower the temperature with stove, low temperature glass solder hermetic welds together two blocks of glass, opens fire door and obtains required vacuum glass.
Embodiment 2: referring to Fig. 2, one is low emissivity glass in two blocks of glass of vacuum glass, another piece is toughened glass or half tempered glass, its making method is as follows: at first according to the shape of made vacuum glass and one flat plate glass and low emissivity glass of size cutting desired size, carry out edging, chamfering, membrane removal, clean, after the drying, two printing technologies of utilizing on glass cryogenic glass powder cream is printed to edge sealing bar frame, after last lower-glass closes sheet, the edge sealing bar frame of upper glass can be embedded between two edge sealing bar frames of lower-glass, and the width of each edge sealing bar frame is 1.8mm, highly be 0.25mm; Secondly upper glass is sent in the High Temperature Furnaces Heating Apparatus, at the high temperature action lower seal edge strip frame of 550～650 ℃ of High Temperature Furnaces Heating Apparatuss and glass sintering together, be down to room temperature immediately or be chilled to room temperature and make its reinforcement, obtain having the upper glass of edge sealing bar frame; Lower-glass is sent in the annealing furnace, at the high temperature action lower seal edge strip frame of 650～750 ℃ of annealing furnaces and glass sintering together, carried out air-cooled tempering immediately, obtain tempering or half tempered glass; Adopt low temperature glass solder to utilize the woven wire of tensioning or expanded metal lath to print upholder at lower-glass, make the top of upholder in one plane, to eliminate the glass tempering distortion to the influence of planeness, upholder is that minimum unit is the dot matrix arrangement of equilateral triangle, the leg-of-mutton length of side is 50mm, upholder is cylindric, and its diameter is that 0.5mm, center line average are 0.3mm; The low temperature glass solder of packing between two edge sealing bar frames with lower-glass again, and two glass consistencies from top to bottom are stacked together, reserve bleed-off passage, to send in the microwave oven, microwave oven has auxiliary heating system, and auxiliary heating system adopts far infra-red heater; Vacuumize at last and heating operation, after utilizing the auxiliary heating system far infra-red heater that the basal temperature of burner hearth is risen to 300 ℃ earlier, be evacuated to below the 0.1Pa again, recycling microwave heating is with more than the temperature local heating to 380 at edge sealing bar frame place ℃, reach the melt temperature of low temperature glass solder, low temperature glass solder is fused into liquid, the edge sealing bar frame of upper glass is embedding under the effect of gravity between two edge sealing bar frames of lower-glass, the low temperature glass solder of fusion with two glass cementations together, the softening or fusion of upholder simultaneously and glass cementation is together up and down; Stop heating, with stove cooling, low temperature glass solder hermetic welds together two blocks of glass, upholder also is integral with glass sintering up and down, opens fire door and obtains required vacuum glass.
Embodiment 3: referring to Fig. 3, two blocks of glass are toughened glass or half tempered glass, wherein one still is low emissivity glass, its making method is as follows: at first according to the shape of made vacuum glass and one flat plate glass and low emissivity glass of size cutting desired size, carry out edging, chamfering, membrane removal, clean, after the drying, two printing technologies of utilizing on glass cryogenic glass powder cream is printed to edge sealing bar frame, wherein upper glass has an edge sealing bar frame, lower-glass has two edge sealing bar frames, the size of upper glass edge sealing bar frame is between lower-glass edge sealing bar frame, after last lower-glass closes sheet, the edge sealing bar frame of upper glass can be embedded between the edge sealing bar frame of lower-glass, and the width of each edge sealing bar frame is 2.5mm, highly be 1.2mm; Secondly two blocks of glass are sent into annealing furnace respectively, at the high temperature action lower seal edge strip frame of annealing furnace and glass sintering together, carry out air-cooled tempering immediately, obtain having tempering or the half tempered glass of edge sealing bar frame; For eliminating the unfairness of the edge sealing bar frame that causes because of the glass tempering distortion, edge sealing bar frame is carried out mechanical workout, by cutting or grinding its top is in the same plane, its center line average is down to 0.3mm; Print upholder simultaneously at upper and lower low temperature glass solder and the woven wire of utilizing on glass, upholder is that minimum unit is the dot matrix arrangement of equilateral triangle, the leg-of-mutton length of side is 80mm, upholder is strip, its length is that 1.2mm, width are that 0.2mm, center line average are 0.2mm, the top of upholder in one plane, the upholder of last lower-glass is orthogonal, last lower-glass closes behind the sheet that upholder is overlapping to be crosswise shape; Fill low temperature glass solder between the edge sealing bar frame with lower-glass again, two glass consistencies from top to bottom are stacked together, reserve certain bleed-off passage, send in the microwave oven, microwave oven has auxiliary heating system, and auxiliary heating parts is the warming plate that contains Graphite Powder 99 or SiC; Vacuumize at last and heating operation, utilize the strong warming plate of wave-sucking performance earlier, low emissivity glass and scolder etc. rise to the temperature of burner hearth more than 200 ℃, be evacuated to below the 0.1Pa again, this moment, the wave-sucking performance of edge sealing place and upholder strengthened gradually, edge sealing place and upholder preferentially heat up, to more than the melt temperature of low temperature glass solder as 450 ℃, the low temperature glass solder fusing, the edge sealing bar frame of upper glass is embedding under the effect of gravity between the edge sealing bar frame of lower-glass, the low temperature glass solder of fusion with two glass cementations together, the upholder of last lower-glass is in contact with one another, overlapping is crosswise shape; Stop heating, with stove cooling, low temperature glass solder hermetic welds together two blocks of glass, up and down upholder and up and down vitrification be integral, open fire door and obtain required vacuum glass.
Claims (8)
1. vacuum glass, it is characterized in that comprising upper glass, lower-glass, described upper glass and described lower-glass are flat glasss, the periphery of the face of weld of described upper glass and described lower-glass has edge sealing bar frame, the periphery of described upper glass and described lower-glass utilizes microwave to weld together by solder, described solder is low temperature glass solder, form the vacuum layer of a sealing between described upper glass and the described lower-glass, in the described vacuum layer upholder is arranged, above support has one deck or two-layer.
2. vacuum glass according to claim 1, it is characterized in that described vacuum glass also comprises an intermediate glass, described intermediate glass is clipped between described upper glass and the described lower-glass, and described upper glass and described lower-glass form the vacuum layer of two sealings respectively with described intermediate glass.
3. vacuum glass according to claim 1 and 2 is characterized in that described upper glass and described lower-glass have at least one to be tempering or half tempered glass.
4. vacuum glass according to claim 3 is characterized in that above support makes before glass tempering or behind the glass tempering.
5. vacuum glass according to claim 1 is characterized in that described edge sealing bar frame or upholder carry out mechanical workout after curing.
6. vacuum glass according to claim 1 is characterized in that the periphery of described upper glass face of weld has an edge sealing bar frame at least, and the periphery of described lower-glass face of weld has two edge sealing bar frames at least.
7. vacuum glass according to claim 1 is characterized in that above support uses soft net or hard net to make.
8. vacuum glass according to claim 1 is characterized in that described edge sealing bar frame is by printing or the preparation of spraying cryogenic glass powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220569772 CN203159447U (en) | 2012-10-09 | 2012-10-09 | Planar vacuum glass manufactured through glass solder welding via microwave and edge sealing by strip frames |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220569772 CN203159447U (en) | 2012-10-09 | 2012-10-09 | Planar vacuum glass manufactured through glass solder welding via microwave and edge sealing by strip frames |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203159447U true CN203159447U (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220569772 Expired - Fee Related CN203159447U (en) | 2012-10-09 | 2012-10-09 | Planar vacuum glass manufactured through glass solder welding via microwave and edge sealing by strip frames |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203159447U (en) |
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2012
- 2012-10-09 CN CN 201220569772 patent/CN203159447U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130828 Termination date: 20141009 |
|
| EXPY | Termination of patent right or utility model |