CN104746740A - Composite vacuum board welded through glass and preparation method thereof - Google Patents
Composite vacuum board welded through glass and preparation method thereof Download PDFInfo
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- CN104746740A CN104746740A CN201310721455.8A CN201310721455A CN104746740A CN 104746740 A CN104746740 A CN 104746740A CN 201310721455 A CN201310721455 A CN 201310721455A CN 104746740 A CN104746740 A CN 104746740A
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Abstract
Disclosed is a composite vacuum board welded through glass. The composite vacuum board welded through the glass comprises a panel, a connection layer and a vacuum cavity, and is characterized in that the panel is a glass plate or a ceramic plate or a stone plate or a metal plate, the connection layer connects the panel and the vacuum cavity into a whole, the panel and/or the connection layer provides additional strength to the vacuum cavity, and guarantees smoothness of the vacuum cavity under atmospheric pressure, the vacuum cavity is formed by welding a low carbon steel plate through glass solder in a vacuum furnace under high vacuum and high temperature, thermal expansion coefficients of the low carbon steel plate and the glass solder are matched with each other, a support is arranged in the vacuum cavity, and the support is individually manufactured or directly formed on the vacuum cavity. The invention further discloses a preparation method of the composite vacuum board welded through the glass. The preparation method of the composite vacuum board welded through the glass is simple in manufacture technology, and the composite vacuum board welded through the glass prepared through the preparation method can overcome defects of an existing heat preservation board and an existing vacuum heat insulation board, and therefore gas tightness of the vacuum cavity of the composite vacuum board welded through the glass can be effectively guaranteed, use life of the composite vacuum board welded through the glass is prolonged, and furthermore strength, thermal and sound insulation performance and fireproof performance of the composite vacuum board welded through the glass can be enhanced.
Description
Technical field
The present invention relates to energy-saving building technology field, composite evacuated plate particularly relating to a kind of glass solder and preparation method thereof.
Background technology
Current building exterior wall heat preserving material used is divided into A level heat insulating material and B level heat insulating material, and the fireproof performance of A level heat insulating material is good, but its heat-insulating property, water resistance etc. are all lower than B level heat insulating material, and there is the problems such as price is high, complicated construction technique; B level heat insulating material has the advantages such as cost is low, good heat insulating, construction technology are ripe, but its durability is bad, heat resistance is poor, easy firing, a large amount of poison gas is not only discharged during burning, and spreading of big fire can be accelerated, so prohibit the use organic insulation material for exterior-wall heat insulation in highrise building and public building.Vacuum heat-insulating plate was applied to building heat preservation field in recent years, its major advantage be belong to A level heat insulating material, good heat insulating, thickness is thin, unit mass is light, but also have that obvious shortcoming is as low in vacuum bag poor air-tightness, puncture-resistant intensity, edge exists cold bridge, soon, easily rise bag, insulation life-span of vacuum decay is short etc.Therefore, building heat preservation needs the new A level heat insulating material researching and developing good heat insulating, long service life.
Applicant discloses a series of evacuated panel and preparation method thereof in July, 2013, although solve the contradiction and problems of the aspect such as fire prevention, insulation, application life that existing heat insulating material exists, but owing to directly metal sheet being welded together, so its edge exists obvious cold bridge, its heat-insulating property is made not reach optimum state.
Summary of the invention
technical problem to be solved by this invention is the defect being to exist for existing building insulating board, warming plate, vacuum heat-insulating plate, composite evacuated plate of a kind of novel glass solder and preparation method thereof is provided, the preparation method technique of the composite evacuated plate of this glass solder is simple, prepared composite evacuated plate can overcome the deficiency of existing insulating board, vacuum heat-insulating plate and warming plate, effectively can ensure the tightness of composite evacuated plate, increase the service life, and its intensity and heat insulation, sound insulation, fireproof performance can be increased, also there is good decorative effect simultaneously.
In order to solve the problems of the technologies described above, the invention provides a kind of composite evacuated plate of glass solder, comprise panel, articulamentum and vacuum chamber, it is characterized in that described panel is glass plate, ceramic wafer, stone plate or metal sheet, described panel is connected as a whole with described vacuum chamber by described articulamentum, described panel and or described articulamentum provide additional strength for described vacuum chamber, ensure vacuum chamber planarization under atmospheric pressure, described vacuum chamber is by low carbon steel plate high vacuum in vacuum drying oven, glass solder is utilized to be welded under high temperature, the coefficient of thermal expansion of described low carbon steel plate and described glass solder matches, supporter is had in described vacuum chamber, above support makes separately or directly formed on vacuum chamber.
In order to solve the problems of the technologies described above, the invention provides a kind of preparation method of composite evacuated plate of glass solder, it is characterized in that comprising the following steps:
The first step, make two pieces of panels and two pieces of low carbon steel plates for the formation of vacuum chamber respectively according to the shape of the composite evacuated plate of the glass solder of required making and size, it is shaping and make supporter at least one piece of low carbon steel plate two pieces of low carbon steel plates for the formation of vacuum chamber to be carried out flanging;
Second step, first by the weld coated glass solder of the lower low carbon steel plate in two pieces of low carbon steel plates, and reserved bleed-off passage, then two pieces of low carbon steel plate consistencies from top to bottom are combined, then send in continuous vacuum stove;
3rd step, is introduced in the pre-vacuum chamber of vacuum drying oven, carries out forvacuum and preheats; Then enter in the vacuum chamber of vacuum drying oven, further gas clean-up and heating-up temperature, after vacuum reaches requirement, then be warming up to the temperature 380-500 DEG C of welding, after glass solder fusing, upper and lower low carbon steel plate is bonded together; Enter subsequently in the cooling chamber of vacuum drying oven, by vacuum chamber hermetic welded seal after glass solder solidifies; Finally enter in the compound room of vacuum drying oven, first spraying or lay articulamentum on the external surface of vacuum chamber, then panel covering is bonded on articulamentum, after going out vacuum drying oven, obtain composite evacuated plate.
Wherein, the composite evacuated plate of described glass solder comprises the various forms of sheet materials such as surface plate, curved slab, bending plate, sketch plate.
Wherein, the composite evacuated plate of described glass solder has the connector or groove etc. for installing.
Wherein, the composite evacuated plate of described glass solder or the surrounding of vacuum chamber scribble fluid sealant or structure glue.
Wherein, described panel is glass plate, as simple glass, tempered glass, semi-tempered glass, coated glass, patterned glass, sand blasting glass etc., can have decorative layer, as colored glaze etc. above it;
Further, the preferred tempered glass of described panel, to increase its intensity and safety.
Wherein, described panel is ceramic wafer or ceramic tile, and described ceramic wafer comprises conventional ceramic plate and ultra-thin ceramic plate, and described ceramic tile comprises internal wall brick and exterior wall tile, also comprises soft ceramic tile and mosaic;
Further, the preferred ultra-thin ceramic plate of described panel and Ultrathin ceramic tile, to save material, reduce costs, reduce deadweight, to increase safety;
Further, described panel is single ceramic wafer or ceramic tile, or combination ceramic wafer or ceramic tile.
Wherein, described panel is lithotome or artificial stone, described lithotome comprises granite, marble, sandstone, limestone, lava etc., and described artificial stone comprises polyester artificial marble, composite artificial marble, silicate-type artificial marble, slug type artificial marble etc.;
Further, the preferred superthin stone of described panel, to save material, reduce costs, reduce deadweight, to increase safety;
Further, described panel is single stone material, or the stone material of combination.
Wherein, described panel is metal sheet, as iron plate, corrosion resistant plate, aluminium alloy plate etc., can have decoration, overcoat above it, as coating, electrodeposited coating, F-C paint etc.;
Further, the preferred ultra thin plate of described panel, with weight reduction and cost;
Further, described panel is single metal sheet, or composite metal plate.
Wherein, described articulamentum is bonding adhesive or plastic sheet;
Further, described bonding adhesive comprises organic gel, inorganic glue and composite adhesive, is commercially available prod; Described organic gel comprises thermosetting cement, PUR etc., and preferred resistant to elevated temperatures bonding adhesive, as phenolic resins, epoxy resin, organic siliconresin etc.;
Further, the preferred resistant to elevated temperatures thermoplastic of described plastic sheet, as polyamide, poly-to mock, PVB film etc.
Wherein, described articulamentum can be one to several layers;
Further, enhancement Layer or stiffener can be had, as fiber, reinforcing rib, reinforcing mat, stiffener etc. in described articulamentum or between described articulamentum.
Wherein, panel and vacuum chamber can connect as one before vacuumizing or in vacuum or after vacuumizing by described articulamentum.
Wherein, described vacuum chamber is the air-tight cavity be welded by a piece or two pieces of low carbon steel plates, and the C content of described low carbon steel plate is not more than 0.06%, preferred enamel low carbon steel plate, and thickness is 0.3-3mm, preferred 0.3-1mm.
Wherein, described vacuum chamber can be one to several, and when described vacuum chamber is two, upper and lower two vacuum chambers stack bonding along the diagonal dislocation of lower upper surface, make it form overlap edge, to reduce edge cold bridge impact when described composite evacuated plate is installed.
Wherein, the low carbon steel plate of described vacuum chamber can adopt mirror board, if its surface is senior finish, or its inner surface makes it have extremely low emissivity, as aluminizer etc. through process.
Wherein, the inwall of described vacuum chamber can have coating that is heat insulation, sound insulation; Can have getter in described vacuum chamber, getter is automatic activation under high temperature, high vacuum.
Further, described getter comprises evaporable air-absorbing agent and nonevaporable getter.
Further, described getter is powdery, granular, banded, the various ways such as tubulose, ring-type, column.
Further, described getter can directly put into described vacuum chamber or extract opening, also can be contained in a container and put into described vacuum chamber or extract opening again.
Wherein, described glass solder refers to and utilizes glass solder at high temperature to be welded together by two pieces of low carbon steel plates, commercially available low temperature glass solder selected by described glass solder, and its welding temperature is generally 380-480 DEG C, selects low temperature glass solder to be conducive to reducing costs, improving production capacity etc.
Wherein, described glass solder and described panel by described articulamentum and described vacuum chamber in conjunction with time, certain pressure can be applied, namely pressure welding is carried out, with make welding and combine more solid and reliable, vacuum chamber and plate face more smooth, and can eliminate because solder thickness is uneven, vacuum chamber surface irregularity can not get supporter and evenly effectively supports and the edge sealing stress that causes; Described pressure is approximately 0.1MPa, described in the mode of exerting pressure can adopt mechanical compression, air pressure or hydraulic pressure etc.
Wherein, described vacuum drying oven comprises pre-vacuum chamber, vacuum chamber, cooling chamber and compound room etc., and described pre-vacuum chamber carries out preliminary vacuumizing and heat, and the temperature of pre-vacuum chamber is 300-350 DEG C, pressure is 10-1000Pa; Described vacuum chamber vacuumizes further and heats, and the vacuum reached required by welding and temperature, the temperature of vacuum chamber is 350-380 DEG C, pressure is 0.001-0.1Pa; Described cooling chamber is that vacuum chamber is cooled, and the temperature of cooling chamber is 200-300 DEG C, pressure is 10-1000Pa; Described compound room is combined with each other by articulamentum and vacuum chamber by panel, and the temperature of compound room is 50-200 DEG C, pressure is 10-1000Pa.
Wherein, in order to place the random flowing after preventing glass solder from melting and loss, improve Edge strength, tightness, reliability and attractive in appearance, the weld of described vacuum chamber have weather strip and or seal groove;
Further, on described vacuum chamber, the weld of low carbon steel plate is at least containing a weather strip, and under described vacuum chamber, the weld of low carbon steel plate is at least containing a seal groove and or two weather strip;
Further, the weather strip of described upper low carbon steel plate and the seal groove of described lower low carbon steel plate and or weather strip corresponding, between the seal groove neutralization that the weather strip of described upper low carbon steel plate can insert described lower low carbon steel plate or weather strip;
Further, described weather strip is made up of glass or metal etc.; When described weather strip is made up of glass, preferably cryogenic glass powder is produced on described low carbon steel plate by modes such as printing, printing, sprayings and forms through high temperature sintering, can carry out separately sintering, also can sintering together with glass solder, the fusion temperature of described cryogenic glass powder is higher than the welding temperature of described glass solder; Can be the metal sheet, the bar that are welded on separately on described low carbon steel plate when described weather strip is metal, also can be described low carbon steel plate flanging; Can only be connected with one piece of low carbon steel plate when described weather strip is metal sheet, bar, cold bridge can not be formed in described vacuum chamber;
Further, described seal groove is formed by machining, preferred punch process mode.
Wherein, above support can be the supporter made separately, also can be on the low carbon steel plate making vacuum chamber by mechanical means as punching press the projection that formed, as point, line etc.;
Further, when above support makes separately, be point, line or the net etc. that adopt the materials such as metal, glass, pottery, high polymer to make.
Wherein, above support has one to several layers.
Wherein, above support can directly put into described vacuum chamber, also can form one with the inwall of described vacuum chamber by punching press, roll extrusion and welding, the mode such as bonding.
Wherein, in order to simplify the difficulty of vacuum edge sealing, the edge of two pieces of low carbon steel plates can hermetic weld together by described vacuum chamber in heat fused under atmospheric pressure by glass solder in heating furnace, cooling solidification; Reserved extract opening on described vacuum chamber, described extract opening utilizes intensification fusing, the cooling solidification automatic-sealed of solder in a vacuum furnace;
Further, described edge sealing heating furnace or vacuum drying oven are the single-unit furnaces of batch production, or the tunnel kiln that continous way is produced; The edge sealing temperature of described edge sealing heating furnace is 360-500 DEG C, is preferably 380-480 DEG C; The vacuum of described vacuum drying oven is 0.001-0.1Pa, is preferably 0.005-0.05Pa; The sealing temperature of described vacuum drying oven is 150-450 DEG C, is preferably 280-350 DEG C; The heating system of described vacuum drying oven, can heating, vacuum chamber overall, also can spot heating extract opening;
Further, the structure of described extract opening can adopt the mode with hydraulic seal structure, as being similar to the hermetically-sealed construction of trap, water-seal floor drain etc., also can adopt the structure of applicant any one (vacuum glass) extract opening published, the simple bellmouth of structure can also be adopted, utilize the solder of viscosity higher directly to seal; Described extract opening can directly be made in vacuum chamber punching press, also first can make extract opening and be welded on vacuum chamber again; Described extract opening can heat separately in vacuum drying oven, to reduce the temperature difference between solder; Described solder comprises low-temperature metal solder and solder;
Further, described extract opening has one to several, be preferably 1-4, fritter vacuum chamber can arrange one, bulk vacuum chamber can arrange 4, respectively arranges one at each edge, can accelerate pumping efficiency more than at least 4 times and can improve the vacuum of composite evacuated plate, and then reduce costs, improve production capacity and performance.
Wherein, the conveniently installation of described composite evacuated plate, described composite evacuated plate can also have installing hole, described installing hole has one to several, and be preferably 1-4, the composite evacuated plate of fritter can arrange one, the composite evacuated plate of bulk can arrange 4, respectively arranges one at each edge; Described installing hole can unite two into one with described extract opening;
Further, described in there is installing hole its preparation method of composite evacuated plate both can adopt the described preparation method without the composite evacuated plate of extract opening, have the preparation method of the composite evacuated plate of extract opening described in can adopting again;
Further, the tightness welding at described installing hole place can adopt glass solder, also can adopt brazing metal.
Wherein, in order to improve heat insulation and soundproof effect, described vacuum chamber can have dividing plate, and described dividing plate has one to several piece, and described dividing plate makes described vacuum chamber form two and above vacuum layer;
Further, described dividing plate is metal sheet, glass plate, ceramic wafer or resistant to elevated temperatures high polymer plate;
Further, described dividing plate can be integrally welded with the inwall of vacuum chamber, makes vacuum chamber form two independently vacuum layer; Described dividing plate also can be placed directly in vacuum chamber, makes vacuum chamber form the vacuum layer of Liang Ge UNICOM;
Further, described dividing plate is that mirror board or its surface are coated with low-radiation film.
The invention has the beneficial effects as follows:
The present invention replaces metal () to weld with glass solder, coefficient of thermal conductivity due to glass only has 1% of metal even less so can solve the edge cold bridge problem of evacuated panel well, because glass is different with the material of metal so the evacuated panel of glass solder has better sound insulation value; The low carbon steel plate matched with coefficient of thermal expansion and glass solder replaces conventional metal sheet, solves the Welding Problems between glass and metal; An about atmospheric pressure is applied when glass solder, glass solder is made to solidify the sizing of final vacuum chamber in using state, eliminate edge sealing stress, avoid the evacuated panel in use damage that causes because of unbalance stress of brittle glass solder, thus ensure that heat-proof quality and the application life of evacuated panel; Vacuum chamber is welded in employing at higher temperature and vacuum, composite joint layer and panel at lower temperature and vacuum, both the condition of high vacuum degree of vacuum chamber and the intensity of glass solder and tightness had been ensure that, the temperature of articulamentum compound tense can be reduced again, make articulamentum can the kind of the selection of material especially organic material increases greatly, the price of material significantly declines; Panel and articulamentum under vacuo while hot with vacuum chamber compound, not only shorten technological process, reduce energy consumption, and panel, articulamentum, eliminate the existence of bubble between vacuum chamber, make the combination between panel, articulamentum, vacuum chamber more solid and reliable; The composite evacuated plate of glass solder of the present invention is made up of Inorganic Non-metallic Materials and metal composite, so not only thickness is thin, lightweight, and has very high mechanical strength; The composite evacuated plate manufacture craft of glass solder of the present invention is simple, cost of production is low, can mechanization, automation, production in enormous quantities, product can be widely used in interior wall, exterior wall and curtain wall, the consumption that can greatly reduce material and the energy, the weight alleviating building, shortening building cycle; The composite evacuated plate of glass solder of the present invention not only can be applied to new building, and the energy-conservation of existing building and outward appearance transformation can be applied to, not only can wet combining but also can be cladding, can greatly save the engineering time compared with existing heat insulating material, improve heat insulation and soundproof effect; The composite evacuated plate of glass solder of the present invention can also make sketch plate, is directly used in the production of refrigerator, refrigerator-freezer, refrigerator carriage, incubator, cold store, frozen products insulated container etc.
Accompanying drawing explanation
Fig. 1 is the composite evacuated plated construction schematic diagram having the glass solder of seal groove;
Fig. 2 is the composite evacuated plated construction schematic diagram having the glass solder of installing hole and weather strip;
Fig. 3 is the composite evacuated plated construction schematic diagram having the glass solder of getter;
Fig. 4 is the composite evacuated plated construction schematic diagram having the glass solder of extract opening and dividing plate.
In figure: 1. panel, 2. articulamentum, 3. vacuum chamber, 4. supporter, 5. glass solder, 6. extract opening or installing hole, 7. brazing metal, 8. weather strip, 9. getter, 10. dividing plate.
Detailed description of the invention
Below adopt embodiment and accompanying drawing to describe embodiments of the present invention in detail, to the present invention, how application technology means solve technical problem whereby, and the implementation procedure reaching technique effect can fully understand and implement according to this.
Embodiment 1: see Fig. 1, the composite evacuated plate of glass solder is made up of panel 1, articulamentum 2, vacuum chamber 3 and supporter 4 etc., and lithotome or artificial stone etc. that panel 1 is 2-8mm by thickness are formed; Articulamentum 2 is resistant to elevated temperatures bonding adhesive, can select organic adhesion agent and conventional inorganic adhesive or the organo-mineral complexing bonding adhesive etc. such as the resistant to elevated temperatures phenolic resin glue of normal temperature or hot setting, epoxide-resin glue, organic siliconresin glue and polyimides; The low carbon steel plate that vacuum chamber 3 is 0.3-1.0mm by thickness is welded; Supporter 4 and seal groove are made up of the low carbon steel plate forming vacuum chamber 3 direct punching press when punch forming, and the bearing height of supporter 4 is advisable with 0.15-1.0mm.The preparation method of the composite evacuated plate of glass solder is as follows: the low carbon steel plate that first cutting two pieces is onesize is for making vacuum chamber 3, and it is shaping to utilize the mode of punching press to carry out flanging to two pieces of low carbon steel plates, and direct punching press supporter 4 and seal groove, in seal groove, load glass solder 5, glass solder 5 leaves slit as the passage vacuumized; Secondly the low carbon steel plate closed after sheet is sent in continuous vacuum stove, vacuum drying oven comprises pre-vacuum chamber, vacuum chamber, cooling chamber and compound room etc., tentatively vacuumizing and heating through pre-vacuum chamber, complete in a vacuum chamber and vacuumize and pressure welding, after cooling chamber cooling, glass solder 5 solidifies, and vacuum chamber 3 is shaped and reached airtight sealing; Finally make two pieces of onesize ultra-thin marble slabs as panel 1, choose epoxide-resin glue as articulamentum 2, successively panel 1 is pasted onto on two surfaces up and down of vacuum chamber 3 by articulamentum 2 in the compound room of vacuum drying oven, after applying pressure, forms composite plate; The composite evacuated plate of glass solder is obtained after going out vacuum drying oven; In order to protect vacuum chamber 3 and attractive in appearance, the surrounding of vacuum chamber 3 can smear fluid sealant or structure glue.
Embodiment 2: see Fig. 2, the composite evacuated plate of glass solder is made up of panel 1, articulamentum 2, vacuum chamber 3 and supporter 4 etc., and the metal sheet such as corrosion resistant plate or aluminium alloy plate that panel 1 is 0.2-1.5mm by thickness is formed; Articulamentum 2 is resistant to elevated temperatures bonding adhesive, can select organic adhesion agent and conventional inorganic adhesive or the organo-mineral complexing bonding adhesive etc. such as the resistant to elevated temperatures phenolic resin glue of normal temperature or hot setting, epoxide-resin glue, organic siliconresin glue and polyimides; The low carbon steel plate that vacuum chamber 3 is 0.3-1.0mm by thickness utilizes glass solder 5 to be welded; Supporter 4 is made up of metal, pottery, glass or high polymer, and modes such as utilizing printing, print, spray, machinery lays is that dot matrix is distributed in vacuum chamber 3, and the bearing height of supporter 4 is advisable with 0.15-1.0mm, and the diameter of the strong point is advisable with 0.3-1.0mm; The air exhaust nozzle that extract opening 6 is directly stamped out by two pieces of low carbon steel plates up and down of vacuum chamber 3 and groove form, and place brazing metal 7 as tin, zinc, magnesium and low-melting alloy thereof in groove, and brazing metal 7 dissolves and automatically to seal extract opening 6 afterwards; Installing hole 6 and the same hole of extract opening, through whole composite evacuated plate.There is the preparation method of the composite evacuated plate of weather strip and installing hole as follows: the low carbon steel plate that first cutting two pieces is onesize is for making vacuum chamber 3, and utilize the mode of punching press to two pieces of low carbon steel plates carry out flanging shaping and make extract opening 6, be that raw material is printed on the edge weld of low carbon steel plate weather strip 8 by the mode of printing or spray with cryogenic glass powder, supporter 4 is printed on two boards respectively, by the weld coated glass solder 5 of the lower low carbon steel plate in two pieces of low carbon steel plates, again two pieces of low carbon steel plate consistencies from top to bottom are combined, then send in edge sealing heating furnace, the edge sealing temperature of edge sealing heating furnace is 400-450 DEG C, by the heat fused of glass solder 5, the edge of two pieces of low carbon steel plates hermetic welds together by cooling solidification, complete edge sealing, next is cut out onesize two pieces of aluminium alloy plates as panel 1 and stamps out installing hole 6, choose epoxide-resin glue as articulamentum 2, two surfaces up and down panel 1 being pasted onto vacuum chamber 3 by articulamentum 2 form composite plate, and in extract opening 6, places brazing metal 7 in advance, finally one piece or composite plate are in batch sent in vacuum drying oven, below 0.1Pa is evacuated to after first heating makes the epoxy resin adhesive curing of articulamentum 2, temperature when vacuumizing is preferably more than 300 DEG C, to promote the eliminating of gas in vacuum chamber 3, after vacuum reaches, then be warming up to sealing temperature, brazing metal 7 melts extract opening 6 self-closed, with stove cooling, brazing metal 7 solidifies final vacuum chamber 3 and realizes airtight sealing, opens the composite evacuated plate that vacuum drying oven obtains glass solder, in order to protect vacuum chamber 3 and attractive in appearance, the surrounding of vacuum chamber 3 can smear fluid sealant or structure glue, in order to protect panel 1 and play decoration function, the surface of panel 1 can brushing F-C paint.
Embodiment 3: see Fig. 3, the composite evacuated plate of glass solder is made up of panel 1, articulamentum 2, vacuum chamber 3 and supporter 4 etc., and panel 1 is that the ceramic wafer of 2-12mm or ceramic tile or soft ceramic tile or mosaic etc. are formed by thickness; Articulamentum 2 is resistant to elevated temperatures bonding adhesive, can select organic adhesion agent and conventional inorganic adhesive or the organo-mineral complexing bonding adhesive etc. such as the resistant to elevated temperatures phenolic resin glue of normal temperature or hot setting, epoxide-resin glue, organic siliconresin glue and polyimides; The low carbon steel plate that vacuum chamber 3 is 0.3-1.0mm by thickness utilizes glass solder 5 to be welded; Supporter 4 is made up of metal, pottery, glass or high polymer, and modes such as utilizing printing, print, spray, machinery lays becomes dot matrix to be distributed in vacuum chamber 3, and the bearing height of supporter 4 is advisable with 0.15-1.0mm, and the diameter of the strong point is advisable with 0.3-1.0mm; The air exhaust nozzle that extract opening 6 is directly stamped out by the upper low carbon steel plate of vacuum chamber 3 and seal cover form, getter 9 is placed in extract opening 6, place brazing metal 7 in air exhaust nozzle as tin, zinc, magnesium and low-melting alloy thereof, brazing metal 7 dissolves and automatically to seal extract opening 6 afterwards.The preparation method of the composite evacuated plate of glass solder is as follows: the low carbon steel plate that first cutting two pieces is onesize is for making vacuum chamber 3, and it is shaping and make extract opening 6 to utilize the mode of punching press to carry out flanging to two pieces of low carbon steel plates, be that supporter 4 to be printed on wherein on one block of plate by raw material with cryogenic glass powder by the mode of printing; By the weld coated glass solder 5 of the lower low carbon steel plate in two pieces of low carbon steel plates, again two pieces of low carbon steel plate consistencies from top to bottom are combined, then send in edge sealing heating furnace, the edge sealing temperature of edge sealing heating furnace is 400-450 DEG C, by the heat fused of glass solder 5, cooling solidification, the edge of two pieces of low carbon steel plates is hermetic welded together, complete edge sealing; Secondly make two pieces of onesize ceramic ultra-thin plates as panel 1, choose epoxide-resin glue as articulamentum 2, two surfaces up and down panel 1 being pasted onto vacuum chamber 3 by articulamentum 2 form composite plate, and reserved bleed-off passage; Finally place getter 9 and brazing metal 7, one piece or composite plate are in batch sent in vacuum drying oven, below 0.1Pa is evacuated to after first heating makes the epoxy resin adhesive curing of articulamentum 2, temperature when vacuumizing is preferably more than 300 DEG C, with the activation of the eliminating and getter 9 that promote gas in vacuum chamber 3, after vacuum reaches, be warming up to sealing temperature again, brazing metal 7 melts extract opening 6 self-closed, lower the temperature with stove, brazing metal 7 solidifies final vacuum chamber 3 and realizes airtight sealing, opens the composite evacuated plate that vacuum drying oven obtains glass solder; In order to protect vacuum chamber 3 and attractive in appearance, the surrounding of vacuum chamber 3 can smear fluid sealant or structure glue; In order to protect panel 1 and play decoration function, bleed-off passage is smeared fluid sealant and is decorated.
Embodiment 4: see Fig. 4, the composite evacuated plate of glass solder is made up of panel 1, articulamentum 2, vacuum chamber 3, supporter 4 and dividing plate 10 etc., and panel 1 is that the glass plate of 2-6mm or tempered glass or coated glass or colored glazed glass or ground glass etc. are formed by thickness; Articulamentum 2 is resistant to elevated temperatures bonding adhesive, can select organic adhesion agent and conventional inorganic adhesive or the organo-mineral complexing bonding adhesive etc. such as the resistant to elevated temperatures phenolic resin glue of normal temperature or hot setting, epoxide-resin glue, organic siliconresin glue and polyimides; The low carbon steel plate that vacuum chamber 3 is 0.3-1.0mm by thickness utilizes glass solder 5 to be welded, and dividing plate 10 can adopt same sheet material, directly welds together with vacuum chamber 3, makes vacuum chamber 3 form two independently vacuum layer; Supporter 4 is made up of metal, pottery, glass or high polymer, modes such as utilizing printing, print, spray, machinery lays becomes dot matrix to be distributed on two surfaces up and down of dividing plate 10, the bearing height of supporter 4 is advisable with 0.15-1.0mm, and the diameter of the strong point is advisable with 0.3-1.0mm; The air exhaust nozzle that extract opening 6 is directly stamped out by two pieces of low carbon steel plates up and down of vacuum chamber 3 and pit form, and place brazing metal 7 as tin, zinc, magnesium and low-melting alloy thereof in air exhaust nozzle, and brazing metal 7 dissolves and automatically to seal extract opening 6 afterwards.The preparation method of the composite evacuated plate of glass solder is as follows: the low carbon steel plate that first cutting two pieces is onesize is for making vacuum chamber 3, and utilize the mode of punching press to two pieces of low carbon steel plates carry out flanging shaping and make extract opening 6, cutting one piece of low carbon steel plate is as dividing plate 10 and reserved bleed-off passage again, is that supporter 4 is printed on two surfaces up and down of dividing plate 10 by raw material by the mode of printing with cryogenic glass powder; By in three pieces of low carbon steel plates, the weld coated glass solder 5 of lower two pieces of low carbon steel plates, again three pieces of low carbon steel plate consistencies from top to bottom are combined, then send in edge sealing heating furnace, the edge sealing temperature of edge sealing heating furnace is 400-450 DEG C, by the heat fused of glass solder 5, cooling solidification, the edge of three pieces of low carbon steel plates is hermetic welded together, complete edge sealing; Secondly make two pieces of onesize armorplate glasses as panel 1, choose epoxide-resin glue as articulamentum 2, two surfaces up and down panel 1 being pasted onto vacuum chamber 3 by articulamentum 2 form composite plate and reserved bleed-off passage; Finally place brazing metal 7, one piece or composite plate are in batch sent in vacuum drying oven, below 0.1Pa is evacuated to after first heating makes the epoxy resin adhesive curing of articulamentum 2, temperature when vacuumizing is preferably more than 300 DEG C, to promote the eliminating of gas in vacuum chamber 3, be warming up to sealing temperature again, brazing metal 7 melts extract opening 6 self-closed, lowers the temperature with stove, brazing metal 7 solidifies final vacuum chamber 3 and realizes airtight sealing, opens the composite evacuated plate that vacuum drying oven obtains glass solder; In order to protect vacuum chamber 3 and attractive in appearance, the surrounding of vacuum chamber 3 can smear fluid sealant or structure glue; In order to protect panel 1 and play decoration function, bleed-off passage is smeared fluid sealant and is decorated.
All above-mentioned this intellectual properties of primary enforcement, not setting restriction this new product of other forms of enforcement and/or new 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 new product of the present invention.
The above is only preferred embodiment of the present invention, and be not restriction the present invention being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solution of the present invention content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (10)
1. the composite evacuated plate of a glass solder, comprise panel, articulamentum and vacuum chamber, it is characterized in that described panel is glass plate, ceramic wafer, stone plate or metal sheet, described panel is connected as a whole with described vacuum chamber by described articulamentum, described panel and or described articulamentum provide additional strength for described vacuum chamber, ensure vacuum chamber planarization under atmospheric pressure, described vacuum chamber is by low carbon steel plate high vacuum in vacuum drying oven, glass solder is utilized to be welded under high temperature, the coefficient of thermal expansion of described low carbon steel plate and described glass solder matches, supporter is had in described vacuum chamber, above support makes separately or directly formed on vacuum chamber.
2. the composite evacuated plate of glass solder as claimed in claim 1, is characterized in that described articulamentum is bonding adhesive or plastic sheet.
3. the composite evacuated plate of glass solder as claimed in claim 1 or 2, it is characterized in that there is getter in described vacuum chamber, described getter is automatic activation under high temperature, high vacuum.
4. the composite evacuated plate of the glass solder as described in any one of claims 1 to 3, it is characterized in that described vacuum chamber has extract opening, described vacuum chamber utilizes glass solder to weld edge sealing in heating furnace under atmospheric pressure, described extract opening utilizes brazing metal automatic-sealed in a vacuum furnace.
5. the composite evacuated plate of the glass solder as described in any one of Claims 1-4, is characterized in that there is dividing plate in described vacuum chamber.
6. the composite evacuated plate of the glass solder as described in any one of claim 1 to 5, it is characterized in that the weld of described vacuum chamber have weather strip and or seal groove.
7. the composite evacuated plate of the glass solder as described in any one of claim 1 to 6, it is characterized in that described composite evacuated plate has installing hole, described installing hole has one to several.
8. the composite evacuated plate of glass solder as claimed in claim 7, the composite evacuated plate described in it is characterized in that with installing hole adopts the described preparation method without the composite evacuated plate of extract opening, or has the preparation method of the composite evacuated plate of extract opening described in adopting.
9. the composite evacuated plate of the glass solder as described in any one of claim 1 to 8, is characterized in that described glass solder is pressure welding.
10. the preparation method of the composite evacuated plate of the glass solder described in any one of claim 1 to 9, is characterized in that comprising the following steps:
The first step, make two pieces of panels and two pieces of low carbon steel plates for the formation of vacuum chamber respectively according to the shape of the composite evacuated plate of the glass solder of required making and size, it is shaping and make supporter at least one piece of low carbon steel plate two pieces of low carbon steel plates for the formation of vacuum chamber to be carried out flanging;
Second step, first by the weld coated glass solder of the lower low carbon steel plate in two pieces of low carbon steel plates, and reserved bleed-off passage, then two pieces of low carbon steel plate consistencies from top to bottom are combined, then send in continuous vacuum stove;
3rd step, is introduced in the pre-vacuum chamber of vacuum drying oven, carries out forvacuum and preheats; Then enter in the vacuum chamber of vacuum drying oven, further gas clean-up and heating-up temperature, after vacuum reaches requirement, then be warming up to the temperature 380-500 DEG C of welding, after glass solder fusing, upper and lower low carbon steel plate is bonded together; Enter subsequently in the cooling chamber of vacuum drying oven, by vacuum chamber hermetic welded seal after glass solder solidifies; Finally enter in the compound room of vacuum drying oven, first spraying or lay articulamentum on the external surface of vacuum chamber, then panel covering is bonded on articulamentum, after going out vacuum drying oven, obtain composite evacuated plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310721455.8A CN104746740A (en) | 2013-12-25 | 2013-12-25 | Composite vacuum board welded through glass and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310721455.8A CN104746740A (en) | 2013-12-25 | 2013-12-25 | Composite vacuum board welded through glass and preparation method thereof |
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| CN104746740A true CN104746740A (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310721455.8A Withdrawn CN104746740A (en) | 2013-12-25 | 2013-12-25 | Composite vacuum board welded through glass and preparation method thereof |
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| CN112945708A (en) * | 2021-05-14 | 2021-06-11 | 中国科学院、水利部成都山地灾害与环境研究所 | Gravel frozen soil strength test system |
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Application publication date: 20150701 |