CN104295022A - Double-vacuum-layer metal vacuum composite plate and manufacturing method thereof - Google Patents
Double-vacuum-layer metal vacuum composite plate and manufacturing method thereof Download PDFInfo
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- CN104295022A CN104295022A CN201310298616.7A CN201310298616A CN104295022A CN 104295022 A CN104295022 A CN 104295022A CN 201310298616 A CN201310298616 A CN 201310298616A CN 104295022 A CN104295022 A CN 104295022A
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Abstract
The invention discloses a double-vacuum-layer metal vacuum composite plate. The double-vacuum-layer metal vacuum composite plate comprises a shell, core plates and a vacuum cavity; the double-vacuum-layer metal vacuum composite plate is characterized in that the shell is made of metal plates or metal composite plates, and the core plates are arranged in the vacuum cavity formed by seal welding of the shell; the at least two core plates provide additional strength for the shell and ensure the smoothness of the shell under the barometric pressure; according to the vacuum cavity, batch automatic welding sealing is carried out in a vacuum furnace under high vacuum and high temperature; a partition plate is arranged in the vacuum cavity; the interior of the vacuum cavity is divided into two vacuum layers through the partition plate; supporting objects are arranged in the vacuum layers, and the supporting objects are independently manufactured or are directly formed on the core plates or the partition plate. A manufacturing method of the double-vacuum-layer metal vacuum composite plate is simple in technology, and the manufactured double-vacuum-layer metal vacuum composite plate can overcome defects of an existing heat preservation plate and a vacuum heat insulation plate. The strength, the heat insulation, noise insulation and fire prevention properties and the decoration function can be improved.
Description
Technical field
The present invention relates to energy-saving building technology field, particularly relate to a kind of two vacuum layer metal vacuum composite plate and preparation method thereof.
Background technology
The power consumption of the architectural energy consumption Yi Zhan whole society of China more than 1/3 and in the trend that increases year by year, adopt heat preservation construction material to be one of Main Means reducing building energy consumption.Current building exterior wall heat preserving material used is many is B level heat insulating 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 large fire spread can be accelerated; Simultaneously, molten contracting can be there is in organic material when fire, produce density flaming droplet, on initiation insulation layer, institute's tile fixing comes off, cause spot fire and secondary injury possibly, so national departments concerned prohibites exterior-wall heat insulation use organic insulation material, particularly at highrise building and public building.Reach in the heat insulating material of A grade standard in combustibility, mainly with the inorganic material that mineral wool and rock wool are representative, but existing home made article requires very large gap with Application in Building in water absorption rate, intensity, weatherability etc., be directly used in construction wall insulation, problems such as water suction will being occurred, drop, be softening.In addition, A level heat insulating material cost is far away higher than organic material, and complicated construction technique construction cost is far beyond the expense of B level heat insulating material, and its poor thermal insulation property and energy consumption is high, the needs of national current energy-saving and emission-reduction can not be met.
Vacuum heat-insulating plate is a kind of novel heat insulating material grown up in recent years, mainly comprise vacuum bag and core etc., its major advantage be belong to A level heat insulating material, good heat insulating, thickness is thin, unit mass is light, but also there is obvious shortcoming difficulty as dry in 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 heat insulating material all needs to increase decoration overcoat.
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, a kind of novel two vacuum layer metal vacuum composite plates and preparation method thereof 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 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 a kind of two vacuum layer metal vacuum composite plate, comprise shell, central layer and vacuum chamber, it is characterized in that described shell is metal sheet or composite metal 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, mass automatic welding sealing under high temperature, 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 a kind of pair of vacuum layer metal vacuum composite plate, 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 two vacuum layer metal vacuum composite plates of required making and size, two pieces of Shell Plates are carried out flanging shaping, and make supporter on central layer, or supporter is produced on dividing plate;
Second step, first that two pieces of central layers and dividing plate mounted on top is neat, put into the cavity that two pieces of Shell Plates are formed, then send in vacuum drying oven; Or the periphery of the two pieces of Shell Plates putting into central layer and dividing plate welded and sends into vacuum drying oven after reserving bleed-off passage, once can send into several piece;
3rd step, first vacuum drying oven is heated to the temperature of bleeding, then vacuum drying oven is evacuated to below 0.1Pa, then utilize the mode of welding by vacuum chamber hermetic welded closure, remove vacuum, with stove cooling, open vacuum drying oven and obtain two vacuum layer metal vacuum composite plate.
Wherein, described pair of vacuum layer metal vacuum composite plate comprises the various forms of sheet materials such as surface plate, curved slab, bending plate, sketch plate.
Wherein, the described pair of vacuum layer metal vacuum composite plate has connector for installing or groove or hole etc.
Wherein, described shell is metal sheet or composite metal plate, 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 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 metal sheets, and described metal sheet is ultra thin plate, and thickness is 0.1-1mm, preferred 0.15-0.5mm, and described metal sheet is ultra thin plate, and thickness is 0.1-1mm, preferred 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, to reduce edge heat bridge impact when described vacuum composite plate is installed.
Wherein, described vacuum chamber is Low emissivity chamber, and namely its metal sheet is Low emissivity plate, as adopted mirror board etc., or its 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, described dividing plate is 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 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 metal sheet especially ultra-thin metal plates.
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 or the single-unit furnace of batch production, or the tunnel kiln that continous way is produced; 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 DEG C, is preferably 280-350 DEG C.
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:
Of the present invention pair of its shell of vacuum layer metal vacuum composite plate is that metal sheet or composite metal plate are made, so have fabulous tightness, puncture-resistant intensity and low emissivity, thus not only heat-proof quality is good but also have extremely long application life; The thickness of composite metal plate can be very little, and minimum only have several millimeters, and space that is less than the thickness of existing vacuum heat-insulating plate, that take is less; Of the present invention pair of vacuum layer metal vacuum composite plate is formed by the Material cladding of several difformity and material, prevents resonance effects during sound transmission, in addition the existence of vacuum layer, so have good sound insulation value; Of the present invention pair of vacuum layer metal vacuum composite plate forms primarily of metal material, and central layer can select inorganic material or fire proofing, so have good fireproof performance; Of the present invention pair of its shell of vacuum layer metal vacuum composite plate can select multiple decorative metal board, 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; Of the present invention pair of vacuum layer metal vacuum composite plate is composited by multiple material, so not only thickness is thin, lightweight, and has very high mechanical strength; Of the present invention pair of its vacuum chamber of vacuum layer metal vacuum composite plate 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; Of the present invention pair vacuum layer metal vacuum composite plate manufacture craft 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; Of the present invention pair of vacuum layer metal vacuum composite plate 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; Of the present invention pair of vacuum layer metal vacuum composite plate 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 of the present invention pair of vacuum layer metal vacuum composite plate structure schematic diagram;
Fig. 2 is two vacuum layer metal vacuum composite plate structure schematic diagrames of soldering edge sealing of the present invention.
In figure: 1. shell, 2. central layer, 3. vacuum chamber, 4. supporter, 5. dividing plate, 6. solder.
Detailed description of the invention
Embodiment 1: see Fig. 1, two vacuum layer metal vacuum composite plate is made up of shell 1, central layer 2, vacuum chamber 3, supporter 4 and dividing plate 5, and shell 1 is that the metal sheets such as the corrosion resistant plate of 0.2-1.5mm, stainless iron plate, electrolytic tinplate, galvanized sheet or aluminium alloy plate are formed by thickness; 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 metal sheet, 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 two vacuum layer metal vacuum composite plate is as follows: the electrolytic tinplate 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 electrolytic tinplates, the more smaller electrolytic tinplate of cutting one piece is as dividing plate 5; 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; Put into the cavity that two pieces of shells 1 form after again two pieces of central layers 2 and dividing plate 5 mounted on top is neat and form composite plate, utilize seam welder by most of edge welded seal of shell 1, leave the bleed-off passage of fraction as vacuum chamber 3; Finally one piece or composite plate are in batch sent in vacuum drying oven, first heat, be evacuated to below 0.1Pa again, temperature when vacuumizing preferably more than 300 DEG C, to promote the eliminating of gas in vacuum chamber 3, after vacuum reaches, utilize electric welding machine or laser generator by the bleed-off passage welded closure of vacuum chamber 3, remove vacuum, with stove cooling, open vacuum drying oven and obtain two vacuum layer metal vacuum composite plate; In order to protecting sheathing 1 with play decoration function, the surface of shell 1 can brushing F-C paint.
Embodiment 2: see embodiment 1 and Fig. 2, substantially the same manner as Example 1, difference is that dividing plate 5 adopts resistant to elevated temperatures high polymer plastic plate as LCP plate, is placed directly in vacuum chamber 3, the metal sheet forming shell 1 directly stamps out the groove of edge sealing when punch forming, place low-temperature metal solder in groove as tin, zinc, magnesium and low-melting alloy thereof, completed the airtight sealing of vacuum chamber 3 by the soldering in vacuum drying oven.
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. a two vacuum layer metal vacuum composite plate, comprise shell, central layer and vacuum chamber, it is characterized in that described shell is metal sheet or composite metal 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, mass automatic welding sealing under high temperature, 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. two vacuum layer metal vacuum composite plate as claimed in claim 1, is characterized in that described pair of vacuum layer metal vacuum composite plate comprises surface plate, curved slab, bending plate and sketch plate.
3. two vacuum layer metal vacuum composite plate 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. two vacuum layer metal vacuum composite plate as claimed in claim 1, is characterized in that described central layer can have low-radiation film.
5. two vacuum layer metal vacuum composite plate 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 heat bridge impact during installation.
6. two vacuum layer metal vacuum composite plate as claimed in claim 1, is characterized in that described dividing plate is metal sheet, glass plate, ceramic wafer or resistant to elevated temperatures high polymer plate.
7. two vacuum layer metal vacuum composite plate 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. two vacuum layer metal vacuum composite plate 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 plate 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 plates 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 two vacuum layer metal vacuum composite plates of required making and size, two pieces of Shell Plates are carried out flanging shaping, and make supporter on central layer, or supporter is produced on dividing plate;
Second step, first that two pieces of central layers and dividing plate mounted on top is neat, put into the cavity that two pieces of Shell Plates are formed, then send in vacuum drying oven; Or the periphery of the two pieces of Shell Plates putting into central layer and dividing plate welded and sends into vacuum drying oven after reserving bleed-off passage, once can send into several piece;
3rd step, first vacuum drying oven is heated to the temperature of bleeding, then vacuum drying oven is evacuated to below 0.1Pa, then utilize the mode of welding by vacuum chamber hermetic welded closure, remove vacuum, with stove cooling, open vacuum drying oven and obtain two vacuum layer metal vacuum composite plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310298616.7A CN104295022A (en) | 2013-07-17 | 2013-07-17 | Double-vacuum-layer metal vacuum composite plate and manufacturing method thereof |
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| CN201310298616.7A CN104295022A (en) | 2013-07-17 | 2013-07-17 | Double-vacuum-layer metal vacuum composite plate and manufacturing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106400993A (en) * | 2016-10-11 | 2017-02-15 | 衢州市瑞锋机动车部件有限公司 | High-performance low-cost composite vacuum plate for seal welding as well as preparation and mounting method of composite vacuum plate |
| CN109826389A (en) * | 2019-04-04 | 2019-05-31 | 晋江宏基机械有限公司 | A kind of wall external decoration structure and its construction method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2544069Y (en) * | 2002-09-13 | 2003-04-09 | 京东方科技集团股份有限公司 | Edge closing for high thermal-insulaion sound-insulaion glass |
| CN2544072Y (en) * | 2002-09-12 | 2003-04-09 | 京东方科技集团股份有限公司 | High thermal-insulation sound-insulation glass |
| CN201066022Y (en) * | 2007-06-06 | 2008-05-28 | 兆宁 | Metal vacuum heat-insulation plate |
| CN102304956A (en) * | 2011-06-24 | 2012-01-04 | 王自成 | Vacuum heat insulation color steel plate |
| CN102434758A (en) * | 2011-09-28 | 2012-05-02 | 南京航空航天大学 | Rigid vacuum insulating plate and manufacturing method thereof |
| CN202595934U (en) * | 2012-06-07 | 2012-12-12 | 张寅啸 | Hollow vacuum heat-insulating plate |
| CN202660158U (en) * | 2012-05-28 | 2013-01-09 | 徐林波 | Plate material packaged by metal thin plate in vacuum mode and product of plate material |
| 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 |
| CN102953444A (en) * | 2012-03-21 | 2013-03-06 | 戴长虹 | Vacuum ceramic thermal baffle and manufacturing method of vacuum ceramic thermal baffle |
-
2013
- 2013-07-17 CN CN201310298616.7A patent/CN104295022A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2544072Y (en) * | 2002-09-12 | 2003-04-09 | 京东方科技集团股份有限公司 | High thermal-insulation sound-insulation glass |
| CN2544069Y (en) * | 2002-09-13 | 2003-04-09 | 京东方科技集团股份有限公司 | Edge closing for high thermal-insulaion sound-insulaion glass |
| CN201066022Y (en) * | 2007-06-06 | 2008-05-28 | 兆宁 | Metal vacuum heat-insulation plate |
| CN102304956A (en) * | 2011-06-24 | 2012-01-04 | 王自成 | Vacuum heat insulation color steel plate |
| 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 |
| CN102953444A (en) * | 2012-03-21 | 2013-03-06 | 戴长虹 | Vacuum ceramic thermal baffle and manufacturing method of vacuum ceramic thermal baffle |
| CN202660158U (en) * | 2012-05-28 | 2013-01-09 | 徐林波 | Plate material packaged by metal thin plate in vacuum mode and product of plate material |
| CN202595934U (en) * | 2012-06-07 | 2012-12-12 | 张寅啸 | Hollow vacuum heat-insulating plate |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106400993A (en) * | 2016-10-11 | 2017-02-15 | 衢州市瑞锋机动车部件有限公司 | High-performance low-cost composite vacuum plate for seal welding as well as preparation and mounting method of composite vacuum plate |
| CN109826389A (en) * | 2019-04-04 | 2019-05-31 | 晋江宏基机械有限公司 | A kind of wall external decoration structure and its construction method |
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Application publication date: 20150121 |