CN103419435A - Dual-vacuum-layer metal vacuum composite board provided with mounting hole, and preparation method of same - Google Patents
Dual-vacuum-layer metal vacuum composite board provided with mounting hole, and preparation method of same Download PDFInfo
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- CN103419435A CN103419435A CN2013102985713A CN201310298571A CN103419435A CN 103419435 A CN103419435 A CN 103419435A CN 2013102985713 A CN2013102985713 A CN 2013102985713A CN 201310298571 A CN201310298571 A CN 201310298571A CN 103419435 A CN103419435 A CN 103419435A
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Abstract
A dual-vacuum-layer metal vacuum composite board provided with a mounting hole comprises a casing, a core board and a vacuum cavity and is characterized in that the mounting hole and an extraction opening are combined into a whole; the casing is made of a metal board or a metal composite board; the core board is positioned in the vacuum cavity, supplies additional strength for the casing and ensures the smoothness of the casing under barometric pressure; the vacuum cavity is a sealed cavity formed in the way that the edge of the casing is sealed through welding under normal pressure and an opening is sealed under high temperature in vacuum; the opening is sealed in the way that the extraction opening prefabricated on the casing is sealed automatically in a vacuum furnace through low-temperature welding flux according to the liquid seal principle; a partition board is arranged in the vacuum cavity and divides the vacuum cavity into two vacuum layers; supporters are arranged in the vacuum layers. According to the invention, the manufacturing method and process is simple, and the prepared dual-vacuum-layer metal vacuum composite board can overcome the defects of the conventional insulation boards and vacuum insulation panels and is improved in strength, thermal insulation, sound insulation and fireproof performance and in decorative function.
Description
Technical field
The present invention relates to the energy-saving building technology field, relate in particular to a kind of two vacuum layer metal vacuum composite plates that installing hole is arranged and preparation method thereof.
Background technology
China's architectural energy consumption accounted for whole society power consumption 1/3 or more and be the trend increased year by year, adopting heat preservation construction material is one of Main Means of reduction building energy consumption.At present building exterior wall heat preserving material used is many is B level insulation material, as organic materials such as polystyrene, polyurethane, bipeltates, these organic material heat resistances are poor, easy firing, not only discharge a large amount of heats during burning, produce a large amount of poison gas, and can accelerate large fire spread; Simultaneously, molten contracting can occur in organic material when fire, produce the burning dropping, on the initiation heat-insulation layer, institute's tiling comes off, cause possibly spot fire and secondary injury, so national departments concerned is prohibited exterior-wall heat insulation and is used organic insulation material, particularly at skyscraper and public building.In combustibility, reach in the insulation material of A grade standard, mainly to take the inorganic material that mineral wool and rock wool be representative, but existing home made article has very large gap at aspects such as water absorption rate, intensity, weatherabilities with the Application in Building requirement, it is directly used in to construction wall insulation, water suction, tenesmus, the problem such as softening will occur.In addition, A level insulation material cost is far away higher than organic material, and the complicated construction technique construction cost is far beyond the expense of B level insulation material, and its heat-insulating property is poor and energy consumption is high, can not meet the needs of national current energy-saving and emission-reduction.
Vacuum heat-insulating plate is a kind of novel insulation material grown up in recent years, mainly comprise vacuum bag and core etc., its major advantage is that to belong to A level insulation material, good heat insulating, thin thickness, unit mass light etc., but also there is obvious shortcoming difficulty as dry as core, vacuum bag poor air-tightness, puncture-resistant intensity are low, and soon, easily rise bag, insulation life-span of vacuum decay is short etc.In addition, above insulation material all needs to increase the decoration overcoat.
Evacuated panel can substitute existing warming plate and be applied to require the installation of need to punching of heat insulation and ，You De installation site, place sound insulation on warming plate, and evacuated panel obviously can't punch when mounted thereon, otherwise can destroy its vacuum.
Summary of the invention
?technical problem to be solved by this invention is to be for the existing building thermal insulation board, warming plate, the defect that vacuum heat-insulating plate exists, a kind of novel two vacuum layer metal vacuum composite plates of installing hole and preparation method thereof that have are provided, the preparation method technique of this pair of vacuum layer metal vacuum composite plate is simple, prepared two vacuum layer metal vacuum composite plates can overcome existing thermal insulation board, the deficiency of vacuum heat-insulating plate and warming plate, can effectively guarantee the air-tightness of two vacuum layer metal vacuum composite plates, increase the service life, and can increase its intensity and heat insulation, sound insulation, fire protecting performance, also there is good decorative effect simultaneously.
In order to solve the problems of the technologies described above, the invention provides a kind of two vacuum layer metal vacuum composite plates that installing hole is arranged, comprise shell, central layer and vacuum chamber, it is characterized in that installing hole and bleeding point unite two into one, described installing hole is through whole composite plate, described shell is metallic plate or composite metal plate, described central layer has two at least, be positioned at described vacuum chamber, described central layer provides additional strength for described shell, guarantee shell planarization under atmospheric pressure, described vacuum chamber is to weld edge sealing by shell under normal pressure, under vacuum, high temperature seals and the closed cavity of formation, described sealing is in vacuum drying oven, to utilize solder according to hydraulic seal principle automatic-sealed prefabricated bleeding point on shell, described solder comprises low-temperature metal and solder, one dividing plate is arranged in described vacuum chamber, described dividing plate forms two vacuum layer by being divided into two in described vacuum chamber, in described vacuum layer, supporter is arranged, above support be make separately or on central layer or dividing plate, directly form.
In order to solve the problems of the technologies described above, the invention provides a kind of preparation method that two vacuum layer metal vacuum composite plates of installing hole are arranged, it is characterized in that comprising the following steps:
The first step, make respectively two Shell Plates and two central layers and a dividing plate according to shape and the size of two vacuum layer metal vacuum composite plates that installing hole is arranged of required making, two Shell Plates that are used to form vacuum chamber are carried out to the flanging moulding and make bleeding point, make supporter or supporter is produced on dividing plate to fabrication and installation hole on each piece plate on two central layers;
Second step, first stack two central layers and dividing plate neatly up and down, puts into two formed cavitys of Shell Plate, then, in sending the peripheral welded seal of two Shell Plates and after solder is placed at the bleeding point place into vacuum drying oven, once can send into several piece;
The 3rd step, first vacuum drying oven is warming up to the temperature that is conducive to exhaust, again vacuum drying oven is evacuated to below 0.1Pa, then vacuum drying oven is warming up to the temperature of sealing, the solder fusing is by the bleeding point self-closed, solidify and rear vacuum chamber is realized to the air-tightness welding with stove cooling, solder, open two vacuum layer metal vacuum composite plates that vacuum drying oven obtains installing hole.
Wherein, described have two vacuum layer metal vacuum composite plates of installing hole to comprise the various forms of sheet materials such as surface plate, curved slab, bending plate, sketch plate.
Wherein, described have two vacuum layer metal vacuum composite plates of installing hole can also be useful on connector or groove or the hole etc. that use is installed.
Wherein, described shell is metallic plate or composite metal plate, as iron plate, corrosion resistant plate, aluminium alloy plate etc., decoration, overcoat can be arranged above it, as coating, electrodeposited coating, fluorine carbon paint etc.;
Further, the preferred ultra thin plate of described shell, with weight reduction and cost;
Further, described shell can be commaterial, can be also two kinds of different materials.
Wherein, described central layer is metallic plate, glass plate, ceramic wafer, plastic plate or composite plate, preferably 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 that described metallic plate is ultra thin plate by one or two air-tight cavities that metallic plate is welded, and thickness is 0.1-1mm, preferably 0.15-0.5mm.
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, the limit section heat bridge impact while installing to reduce described vacuum composite plate.
Wherein, described vacuum chamber is low radial chamber, and its metallic plate is for low radiant panel, as adopted mirror board etc., or its surface through processing make its there is extremely low radiance, as aluminizer etc.
Wherein, the inwall of described vacuum chamber can have coating heat insulation, sound insulation; In described vacuum chamber, getter can be arranged, getter is automatic activation under high temperature, high vacuum.
Wherein, described dividing plate is metallic plate, 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 two UNICOMs.
Wherein, described dividing plate is that mirror board or its surface are coated with low-radiation film.
Wherein, described welding comprises melting welding, pressure welding, soldering etc., as argon arc welding, laser weld, ultrasonic bonding, low-melting-point metal and alloy welding and other welding manners for metallic plate especially ultra-thin metal plates.
Wherein, described bleeding point or installing hole have one to several.
Wherein, described bleeding point can directly be pressed in the shell upper punch, also can first make bleeding point and be welded on shell.
Wherein, described vacuum layer can share a bleeding point or each vacuum layer respectively has a bleeding point.
Wherein, described vacuum drying oven or the single-unit furnace of batch production, or the tunnel kiln of continous way production; The vacuum of described vacuum drying oven is 0.1-0.001Pa, is preferably 0.05-0.005Pa; The temperature of described vacuum drying oven is 150-450 ℃, is preferably 280-350 ℃.
Wherein, above support can be the supporter of making separately, can be also on central layer or dividing plate as by the formed projection of mechanical means punching press, as point, line etc.;
Further, when above support is made 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.
The invention has the beneficial effects as follows:
It is of the present invention that two its shells of vacuum layer metal vacuum composite plate of installing hole are arranged is that metallic plate or composite metal plate are made, so there is fabulous air-tightness, puncture-resistant intensity and low radiance, thereby not only heat-proof quality is good but also have extremely long service life; The thickness of two vacuum layer metal vacuum composite plates can be very little, and minimum only has several millimeters, and, the space that take less than the thickness of existing vacuum heat-insulating plate still less; Two vacuum layer metal vacuum composite plates are formed by the Material cladding of several difformities and material, the resonance effects while having prevented sound transmission, and the existence of vacuum layer in addition, so have good sound insulation value; Two vacuum layer metal vacuum composite plates mainly are comprised of metal material, and central layer can be selected inorganic material or fire proofing, so have good fire protecting performance; Two its shells of vacuum layer metal vacuum composite plate can be selected multiple decorative metal board, so have good decorative effect, do not need to do decorative layer after installation again, not only save material and also save manpower and time; Two vacuum layer metal vacuum composite plates are composited by multiple material, thus thin thickness, lightweight not only, and there is very high mechanical strength; Two its vacuum chambers of vacuum layer metal vacuum composite plate are divided into two and form two vacuum layer by dividing plate, and the cost of increase and operation seldom, but can effectively improve heat insulation, sound insulation and the mechanical performance of vacuum composite plate; Two vacuum layer metal vacuum composite plates adopt normal temperature and pressure lower sealing edge, high-temperature vacuum lower sealing, installing hole and bleeding point unite two into one, its manufacture craft is simple, production cost is low, can mechanization, automation, production in enormous quantities, product can be widely used in interior wall, exterior wall and curtain wall, can greatly reduce the consumption of material and the energy, the weight that alleviates building, shortening building cycle; Two vacuum layer metal vacuum composite plates not only can be applied to new building, and the energy-conservation and outward appearance that can be applied to existing building is transformed, installing hole can have one to several, not only can wet combining but also can be cladding, compare with existing insulation material and can greatly save the engineering time, improve heat insulation and soundproof effect; Two vacuum layer metal vacuum composite plates can also be made sketch plate, are directly used in the production of refrigerator, refrigerator-freezer, refrigerator carriage, incubator, freezer, frozen products insulated container etc.; Can also be for high-temperature field, as outer insulation of various bodies of heater etc.
The accompanying drawing explanation
Fig. 1 is two vacuum layer metal vacuum composite plate structure schematic diagrames that installing hole is arranged of the present invention.
In figure: 1. shell, 2. central layer, 3. vacuum chamber, 4. supporter, 5. dividing plate, 6. bleeding point and installing hole, 7. solder.
The specific embodiment
Referring to accompanying drawing, two vacuum layer metal vacuum composite plates by installing hole are comprised of shell 1, central layer 2, vacuum chamber 3, supporter 4 and dividing plate 5, and the metal sheets such as the corrosion resistant plate that shell 1 is 0.2-1.5mm by thickness, stainless iron plate, electrolytic tinplate, galvanized sheet or aluminium alloy plate form; Central layer 2 is metallic plate, ceramic wafer, glass plate, plastic plate or composite plate etc., the armorplate glass that the aluminium alloy plate that preferably 1-2mm is thick or 3-5mm are thick etc.; Dividing plate 5 can adopt metallic plate, with shell 1, directly welds together, and makes vacuum chamber 3 form two independently vacuum layer, or adopts the high-temperature resistance plastice plate, is placed directly in vacuum chamber 3; Supporter 4 is made by metal, pottery, glass or high polymer, utilize the modes such as printing, printing, spraying, machinery lay to become 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; Metal annular groove on the air exhaust nozzle that bleeding point 6 is directly stamped out by the upper metallic plate of shell 1 and the lower metallic plate of shell 1 forms, place solder 7 in the metal annular groove as tin, zinc, magnesium and low-melting alloy thereof, solder 7 dissolves and automatically bleeding point 6 is sealed afterwards; Installing hole 6 and the same hole of air exhaust nozzle, through whole pair of vacuum layer metal vacuum composite plate.Have the preparation method of two vacuum layer metal vacuum composite plates of installing hole as follows: at first two onesize corrosion resistant plates of cutting are for making shell 1, and the mode of utilizing punching press carries out the flanging moulding and make bleeding point 6 two corrosion resistant plates, more slightly a little bit smaller electrolytic tinplate of cutting is as dividing plate 5 and stamp out installing hole 6; Next cuts two glass plates and holes and produce installing hole 6 as central layer 2 and on two glass plates, and glass ink is printed on glass plate, after the tempering processing, forms supporter 4; Again two central layers 2 and dividing plate 5 are stacked up and down after neat and put into the cavity that two shells 1 form and form composite plate, utilize seam welder by the limit section welded seal of shell 1; In finally at bleeding point 6 places, placing solder 7, one or composite plate in batch being sent into to vacuum drying oven, first heating, be evacuated to again below 0.1Pa, temperature while vacuumizing is preferably in more than 300 ℃, to promote the eliminating of vacuum chamber 3 interior gases, then is warming up to sealing temperature, solder 7 fusings are by bleeding point 6 self-closeds, with the stove cooling, solder 7 solidifies final vacuum chamber 3 realizes airtight sealing, opens two vacuum layer metal vacuum composite plates that vacuum drying oven obtains installing hole; For protecting sheathing 1 with play decoration function, smearing fluid sealant in installing hole 6 and install the surface of protective casing, shell 1 additional can brushing fluorine carbon paint.
All above-mentioned these intellectual properties of primary enforcement, do not set 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, be only preferred embodiment of the present invention, is not the present invention to be done to the restriction of other form, and any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solution of the present invention content that do not break away from, any simple modification, equivalent variations and the remodeling above embodiment done according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (10)
1. two vacuum layer metal vacuum composite plates that installing hole is arranged, comprise shell, central layer and vacuum chamber, it is characterized in that installing hole and bleeding point unite two into one, described installing hole is through whole composite plate, described shell is metallic plate or composite metal plate, described central layer has two at least, be positioned at described vacuum chamber, described central layer provides additional strength for described shell, guarantee shell planarization under atmospheric pressure, described vacuum chamber is to weld edge sealing by shell under normal pressure, under vacuum, high temperature seals and the closed cavity of formation, described sealing is in vacuum drying oven, to utilize solder according to hydraulic seal principle automatic-sealed prefabricated bleeding point on shell, described solder comprises low-temperature metal and solder, one dividing plate is arranged in described vacuum chamber, described dividing plate forms two vacuum layer by being divided into two in described vacuum chamber, in described vacuum layer, supporter is arranged, above support be make separately or on central layer or dividing plate, directly form.
2. two vacuum layer metal vacuum composite plates that installing hole is arranged as claimed in claim 1, is characterized in that describedly having two vacuum layer metal vacuum composite plates of installing hole to comprise surface plate, curved slab, bending plate and sketch plate.
3. two vacuum layer metal vacuum composite plates that installing hole is arranged as claimed in claim 1, is characterized in that described central layer is metallic plate, ceramic wafer, glass plate, plastic plate or composite plate.
4. two vacuum layer metal vacuum composite plates that installing hole is arranged as claimed in claim 1, is characterized in that, on described central layer, low-radiation film to be arranged.
5. two vacuum layer metal vacuum composite plates that installing hole is arranged 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, make it form overlap edge, the limit section heat bridge impact while installing to reduce.
6. two vacuum layer metal vacuum composite plates that installing hole is arranged as claimed in claim 1, is characterized in that described dividing plate is metallic plate, glass plate, ceramic wafer or resistant to elevated temperatures high polymer plate.
7. two vacuum layer metal vacuum composite plates that installing hole is arranged 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 two UNICOMs.
8. two vacuum layer metal vacuum composite plates that installing hole is arranged as claimed in claim 1, is characterized in that described welding comprises melting welding, pressure welding and soldering.
9. two vacuum layer metal vacuum composite plates that installing hole is arranged as claimed in claim 1, is characterized in that, in described vacuum chamber, getter is arranged.
10. the described preparation method that two vacuum layer metal vacuum composite plates of installing hole are arranged of claim 1 to 9 any one is characterized in that comprising the following steps:
The first step, make respectively two Shell Plates and two central layers and a dividing plate according to shape and the size of two vacuum layer metal vacuum composite plates that installing hole is arranged of required making, two Shell Plates that are used to form vacuum chamber are carried out to the flanging moulding and make bleeding point, make supporter or supporter is produced on dividing plate to fabrication and installation hole on each piece plate on two central layers;
Second step, first stack two central layers and dividing plate neatly up and down, puts into two formed cavitys of Shell Plate, then, in sending the peripheral welded seal of two Shell Plates and after solder is placed at the bleeding point place into vacuum drying oven, once can send into several piece;
The 3rd step, first vacuum drying oven is warming up to the temperature that is conducive to exhaust, again vacuum drying oven is evacuated to below 0.1Pa, then vacuum drying oven is warming up to the temperature of sealing, the solder fusing is by the bleeding point self-closed, solidify and rear vacuum chamber is realized to the air-tightness welding with stove cooling, solder, open two vacuum layer metal vacuum composite plates that vacuum drying oven obtains installing hole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013102985713A CN103419435A (en) | 2013-07-17 | 2013-07-17 | Dual-vacuum-layer metal vacuum composite board provided with mounting hole, and preparation method of same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013102985713A CN103419435A (en) | 2013-07-17 | 2013-07-17 | Dual-vacuum-layer metal vacuum composite board provided with mounting hole, and preparation method of same |
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| CN102953509A (en) * | 2012-03-21 | 2013-03-06 | 戴长虹 | Vacuum ceramic thermal baffle welded by metal solders and manufacturing method of thermal baffle |
| CN202809869U (en) * | 2012-09-14 | 2013-03-20 | 昆山蓝胜建材有限公司 | Vacuum insulated panel |
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- 2013-07-17 CN CN2013102985713A patent/CN103419435A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102345341A (en) * | 2010-07-30 | 2012-02-08 | 叶倩儿 | Multifunctional plate and manufacturing method thereof |
| CN102434758A (en) * | 2011-09-28 | 2012-05-02 | 南京航空航天大学 | Rigid vacuum insulating plate and manufacturing method thereof |
| CN102953441A (en) * | 2012-03-21 | 2013-03-06 | 戴长虹 | Convex-sided vacuum heat-insulating board, flattened vacuum heat-insulating board and preparation methods thereof |
| CN102953509A (en) * | 2012-03-21 | 2013-03-06 | 戴长虹 | Vacuum ceramic thermal baffle welded by metal solders and manufacturing method of thermal baffle |
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