CN104746690A - Double-vacuum-layer metal vacuum composite plate with edge sealed by seal strip and manufacturing method thereof - Google Patents
Double-vacuum-layer metal vacuum composite plate with edge sealed by seal strip and manufacturing method thereof Download PDFInfo
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- CN104746690A CN104746690A CN201310721288.7A CN201310721288A CN104746690A CN 104746690 A CN104746690 A CN 104746690A CN 201310721288 A CN201310721288 A CN 201310721288A CN 104746690 A CN104746690 A CN 104746690A
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Abstract
A double-vacuum-layer metal vacuum composite plate with the edge sealed by a seal strip comprises a housing, at least two core plates and a vacuum cavity and is characterized in that the housing is a low-carbon steel plate or a low-carbon steel composite plate, the core plates are located in the vacuum cavity formed through seal welding of the housing, the core plates provide additional strength for the housing and ensure the smoothness of the housing under atmospheric pressure, the vacuum cavity is welded and sealed by utilizing a glass solder in a vacuum furnace under high vacuum and high temperature, the seal strip is arranged at the welding position of the edge portion of the low-carbon steel plate, the coefficient of thermal expansion of the low-carbon steel plate is matched with that of the glass solder, a partition plate is arranged in the vacuum cavity and divides the vacuum cavity into two to form double vacuum layers, and supports are arranged in the vacuum layers and are independently manufactured or are directly formed on the core plate or the partition plate. A manufacturing method of the double-vacuum-layer metal vacuum composite plate is simple in process, and strength, heat-insulation, sound-insulation and fireproof performance and a decorative function can be improved.
Description
Technical field
The present invention relates to energy-saving building technology field, particularly relate to two vacuum layer metal vacuum composite plate of a kind of weather strip edge sealing 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 for existing building insulating board, warming plate, the defect that vacuum heat-insulating plate exists, two vacuum layer metal vacuum composite plate of a kind of novel weather strip edge sealing and preparation method thereof is provided, the preparation method technique of the two vacuum layer metal vacuum composite plate of this weather strip edge sealing is simple, prepared two vacuum layer metal vacuum composite plates can overcome existing insulating board, the deficiency of vacuum heat-insulating plate and warming plate, effectively can ensure the tightness of two vacuum layer metal vacuum composite plate, increase the service life, and its intensity and heat insulation can be increased, sound insulation, fireproof performance, also there is good decorative effect simultaneously.
In order to solve the problems of the technologies described above, the invention provides the two vacuum layer metal vacuum composite plate of a kind of weather strip edge sealing, comprise shell, central layer and vacuum chamber, it is characterized in that described shell is low carbon steel plate or mild steel composite plate, described central layer is positioned at the vacuum chamber that described shell is formed through seal welding, described central layer has two pieces at least, described central layer provides additional strength for described shell, ensure described shell planarization under atmospheric pressure, described vacuum chamber high vacuum in vacuum drying oven, glass solder welded seal is utilized under high temperature, the edge weld of described low carbon steel plate has weather strip, the coefficient of thermal expansion of described low carbon steel plate and described glass solder matches, a dividing plate is had in described vacuum chamber, described dividing plate forms two vacuum layer by being divided into two in described vacuum chamber, supporter is had in described vacuum layer, above support makes separately or directly formed on central layer or dividing plate.
In order to solve the problems of the technologies described above, the invention provides the preparation method of the two vacuum layer metal vacuum composite plate of a kind of weather strip edge sealing, it is characterized in that comprising the following steps:
The first step, two pieces of Shell Plates and two pieces of central layers and one piece of dividing plate is made respectively according to the shape of the two vacuum layer metal vacuum composite plate of the weather strip edge sealing of required making and size, two pieces of Shell Plates are carried out flanging shaping, edge weld make weather strip, and make supporter on central layer, or supporter is produced on dividing plate;
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 or dividing plate, and reserved bleed-off passage, two pieces of central layers and dividing plate stack and are neatly placed between 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 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, the edge of low carbon steel plate is bonded together; Finally enter in the cooling chamber of vacuum drying oven, by Shell ground welded seal after glass solder solidifies, after going out vacuum drying oven, obtain the two vacuum layer metal vacuum composite plate of weather strip edge sealing.
Wherein, the two vacuum layer metal vacuum composite plate of described weather strip edge sealing comprises the various forms of sheet materials such as surface plate, curved slab, bending plate, sketch plate.
Wherein, the two vacuum layer metal vacuum composite plate of described weather strip edge sealing has connector for installing or groove or hole etc.
Wherein, described shell is low carbon steel plate or mild steel composite plate, can have decoration, overcoat above it, as coating, electrodeposited coating, F-C paint etc.;
Further, the preferred ultra thin plate of described shell, with weight reduction and cost;
Further, described shell can be commaterial, also can be two kinds of different materials.
Wherein, described central layer is metal sheet, glass plate, ceramic wafer, plastic plate or composite plate, preferred armorplate glass or aluminium alloy plate.
Wherein, the surface of described central layer can be coated with low-radiation film, as aluminium film etc.
Wherein, described vacuum chamber is the air-tight cavity be welded by a piece or two pieces of low carbon steel plates, described low carbon steel plate is ultra thin plate, thickness is 0.1-1mm, preferred 0.15-0.5mm, the C content of described low carbon steel plate is not more than 0.06%, preferred enamel low carbon steel plate, 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 vacuum composite 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.
Wherein, the edge weld of described low carbon steel plate has weather strip, and described weather strip is made up of glass or metal etc.;
Further, 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;
Further, 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 weather strip forms an airtight bar frame at the weld of described low carbon steel plate, described weather strip has two airtight bar frames at least at the edge weld of lower low carbon steel plate of the described vacuum chamber of composition, described glass solder is positioned in the region that described two airtight bar frames surround, described weather strip has an airtight bar frame at least at the edge weld of upper low carbon steel plate of the described vacuum chamber of composition, and the weather strip of described upper low carbon steel plate can insert between two weather strips of described lower low carbon steel plate.
Wherein, described central layer or dividing plate are metal sheet, glass plate, ceramic wafer or resistant to elevated temperatures high polymer plate.
Wherein, 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.
Wherein, described dividing plate is that mirror board or its surface are coated with low-radiation film.
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.; Described glass solder, 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 welding can be carried out in vacuum drying oven, also can carry out outside vacuum drying oven, can also first vacuum drying oven outer sealing edge, after seal in vacuum drying oven; Described edge sealing is connected together by the peripheral weld of described vacuum chamber, and described sealing is that the extract opening on the surface or side that are reserved in vacuum chamber is carried out welded seal.
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, above support can be the supporter made separately, also can be on central layer or dividing plate as by mechanical means 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 be produced on described dividing plate, also can form one with described central layer by punching press, roll extrusion and welding, the mode such as bonding.
The invention has the beneficial effects as follows:
The present invention adds weather strip at the weld of glass solder, weather strip not only can limit the rear random flowing of glass solder fusing, make edge sealing neatly good-looking, prevent the solder skip phenomenon caused because glass solder runs off, the qualification rate improving product, and the plane-welding of glass solder can be become three-dimensional welding, make welding more firmly, reliably, the tightness of vacuum chamber is fine, the longer service life of evacuated panel; 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; The two vacuum layer metal vacuum composite plate of weather strip edge sealing of the present invention forms primarily of metal material, and central layer can select inorganic material or fire proofing, so have good fireproof performance; Two its shell of vacuum layer metal vacuum composite plate of weather strip edge sealing of the present invention can select multiple decoration low carbon steel plate, so have good decorative effect, does not need to do decorative layer again after installation, not only saves material and also saves manpower and time; The two vacuum layer metal vacuum composite plate of weather strip edge sealing of the present invention is composited by multiple material, so not only thickness is thin, lightweight, and has very high mechanical strength; Two its vacuum chamber of vacuum layer metal vacuum composite plate of weather strip edge sealing of the present invention is divided into two by dividing plate and forms two vacuum layer, the cost of increase and operation little, but effectively can improve heat insulation, sound insulation and the mechanical performance of vacuum composite plate; The two vacuum layer metal vacuum composite plate manufacture craft of weather strip edge sealing 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 two vacuum layer metal vacuum composite plate of weather strip edge sealing 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 two vacuum layer metal vacuum composite plate of weather strip edge sealing 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.; High-temperature field can also be used for, as the Surgery therapy etc. of various body of heater.
Accompanying drawing explanation
Fig. 1 is the two vacuum layer metal vacuum composite plate structure schematic diagram of weather strip edge sealing of the present invention.
In figure: 1. shell, 2. central layer, 3. vacuum chamber, 4. supporter, 5. dividing plate, 6. glass solder, 7. weather strip.
Detailed description of the invention
Embodiment: see Fig. 1, the two vacuum layer metal vacuum composite plate of weather strip edge sealing is made up of shell 1, central layer 2, vacuum chamber 3, supporter 4 and dividing plate 5, and the low carbon steel plate that shell 1 is 0.3-1.0mm by thickness is formed; Central layer 2 is metal sheet, ceramic wafer, glass plate, plastic plate or composite plate etc., the aluminium alloy plate that preferred 1-2mm is thick or the thick armorplate glass etc. of 3-5mm; Dividing plate 5 can adopt low carbon steel plate, directly welds together with shell 1, 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 5, 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 preparation method of the two vacuum layer metal vacuum composite plate of weather strip edge sealing is as follows: the low carbon steel plate that first cutting two pieces is onesize as shell 1 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, the low carbon steel plate that cutting one piece is more smaller again, as dividing plate 5, is that raw material is printed on the edge weld of low carbon steel plate weather strip 7 by the mode of printing or spray with cryogenic glass powder; Secondly cutting two pieces of glass plates are as central layer 2, printed by glass ink and form supporter 4 on a glass, after tempering process; Again by the lower steel plate of two pieces of low carbon steel plates and the weld coated glass solder 6 of dividing plate 5, glass solder 6 leaves slit as the passage vacuumized, and the shell 1 that two pieces of low carbon steel plates compositions put into successively by two pieces of central layers 2 and dividing plate 5 forms composite plate; Finally composite plate 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 6 solidifies, and shell 1 is shaped and reached airtight sealing; The two vacuum layer metal vacuum composite plate of weather strip edge sealing is obtained after going out vacuum drying oven; In order to protecting sheathing 1 with play decoration function, the surface of shell 1 can brushing F-C paint.
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 two vacuum layer metal vacuum composite plate of weather strip edge sealing, comprise shell, central layer and vacuum chamber, it is characterized in that described shell is low carbon steel plate or mild steel composite plate, described central layer is positioned at the vacuum chamber that described shell is formed through seal welding, described central layer has two pieces at least, described central layer provides additional strength for described shell, ensure described shell planarization under atmospheric pressure, described vacuum chamber high vacuum in vacuum drying oven, glass solder welded seal is utilized under high temperature, the edge weld of described low carbon steel plate has weather strip, the coefficient of thermal expansion of described low carbon steel plate and described glass solder matches, a dividing plate is had in described vacuum chamber, described dividing plate forms two vacuum layer by being divided into two in described vacuum chamber, supporter is had in described vacuum layer, above support makes separately or directly formed on central layer or dividing plate.
2. the two vacuum layer metal vacuum composite plate of weather strip edge sealing as claimed in claim 1, is characterized in that the two vacuum layer metal vacuum composite plate of described weather strip edge sealing comprises surface plate, curved slab, bending plate and sketch plate.
3. the two vacuum layer metal vacuum composite plate of weather strip edge sealing as claimed in claim 1, is characterized in that described central layer is metal sheet, ceramic wafer, glass plate, plastic plate or composite plate.
4. the two vacuum layer metal vacuum composite plate of weather strip edge sealing as claimed in claim 1, is characterized in that described central layer can have low-radiation film.
5. the two vacuum layer metal vacuum composite plate of weather strip edge sealing as claimed in claim 1, it is characterized in that described vacuum chamber has one to several, when described vacuum chamber is two, upper and lower two vacuum chambers stack bonding along the diagonal dislocation of lower upper surface, it is made to form overlap edge, to reduce edge cold bridge impact during installation.
6. the two vacuum layer metal vacuum composite plate of weather strip edge sealing as claimed in claim 1, is characterized in that described central layer or dividing plate are metal sheet, glass plate, ceramic wafer or resistant to elevated temperatures high polymer plate.
7. the two vacuum layer metal vacuum composite plate of weather strip edge sealing as claimed in claim 1, is characterized in that 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.
8. the two vacuum layer metal vacuum composite plate of weather strip edge sealing as claimed in claim 1, is characterized in that described glass solder is pressure welding.
9. the two vacuum layer metal vacuum composite plate of weather strip edge sealing as claimed in claim 1, is characterized in that there is getter in described vacuum chamber.
10. the preparation method of the two vacuum layer metal vacuum composite plate of the weather strip edge sealing described in any one of claim 1 to 9, is characterized in that comprising the following steps:
The first step, two pieces of Shell Plates and two pieces of central layers and one piece of dividing plate is made respectively according to the shape of the two vacuum layer metal vacuum composite plate of the weather strip edge sealing of required making and size, two pieces of Shell Plates are carried out flanging shaping, edge weld make weather strip, and make supporter on central layer, or supporter is produced on dividing plate;
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 or dividing plate, and reserved bleed-off passage, two pieces of central layers and dividing plate stack and are neatly placed between 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 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, the edge of low carbon steel plate is bonded together; Finally enter in the cooling chamber of vacuum drying oven, by Shell ground welded seal after glass solder solidifies, after going out vacuum drying oven, obtain the two vacuum layer metal vacuum composite plate of weather strip edge sealing.
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| WD01 | Invention patent application deemed withdrawn after publication |