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, there is provided a kind of and novel have composite evacuated plate of the stone material of getter and preparation method thereof, this have the preparation method technique of the composite evacuated plate of the stone material of getter simple, the prepared composite evacuated plate of the stone material of getter that has can overcome existing insulating board, the deficiency of vacuum heat-insulating plate and warming plate, effectively can ensure the tightness of the composite evacuated plate of stone material of getter, 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 ofly has the composite evacuated plate of the stone material of getter, comprise panel, articulamentum and vacuum chamber, it is characterized in that described panel is lithotome or artificial stone, described panel and or described articulamentum provide additional strength for described vacuum chamber, ensure vacuum chamber planarization under atmospheric pressure, described vacuum chamber welds edge sealing at ambient pressure by metal sheet, high temperature seals and the closed cavity of formation under vacuo, described sealing utilizes solder according to hydraulic seal principle automatic-sealed in a vacuum furnace pre-extract opening on vacuum chamber, supporter and getter is had in described vacuum chamber.
In order to solve the problems of the technologies described above, the invention provides a kind of preparation method having the composite evacuated plate of the stone material of getter, it is characterized in that comprising the following steps:
The first step, the have shape of the composite evacuated plate of the stone material of getter and size according to required making make two pieces of panels and two pieces of metal sheets for the formation of vacuum chamber respectively, and it is shaping and make supporter and extract opening at least one piece of metal sheet two pieces of metal sheets for the formation of vacuum chamber to be carried out flanging;
Two pieces of panels are first joined together to form composite plate and reserved bleed-off passage respectively by articulamentum and two pieces of metal sheets, then are welded together by two pieces of composite plate alignment fastenings by second step; Or first two pieces of metal sheet alignment fastenings for the formation of vacuum chamber are welded together, then be joined together to form composite plate and reserved bleed-off passage by articulamentum and two pieces of panels; Getter is placed in vacuum chamber, solder is placed in extract opening, composite plate is sent in vacuum drying oven, once can send into several piece;
3rd step, first vacuum drying oven is warming up to the temperature of articulamentum solidification, again vacuum drying oven is evacuated to below 0.1Pa, then vacuum drying oven is warming up to the temperature of sealing, solder fusing is by extract opening self-closed, with stove cooling, solder solidify rear to vacuum chamber realize tightness welding, open the composite evacuated plate of stone material that vacuum drying oven obtains getter.
Wherein, the composite evacuated plate of the stone material of getter is had to comprise the various forms of sheet materials such as surface plate, curved slab, bending plate, sketch plate described in.
Wherein, the composite evacuated plate of the stone material of getter is had to have connector or groove etc. for installing described in.
Wherein, the surrounding of the composite evacuated plate of the stone material of getter or vacuum chamber is had to scribble fluid sealant or structure glue described in.
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;
Further, described panel can be commaterial, also can be two kinds of different materials.
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 metal sheets, 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 composite evacuated plate is installed.
Wherein, the metal sheet of described vacuum chamber is the material of Low emissivity, as adopted mirror board, 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.
Wherein, described getter automatic activation under high temperature, high vacuum in capping processes.
Wherein, described getter comprises evaporable air-absorbing agent and nonevaporable getter.
Wherein, described getter is powdery, granular, banded, the various ways such as tubulose, ring-type, column.
Wherein, 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, the preferred low-temperature metal solder of described solder and solder, as tin, zinc, magnesium etc. and alloy thereof, described material is existing commercial commodity.
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 extract opening can be arranged on surface or the side of vacuum chamber.
Wherein, 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.
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 the metal sheet 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.
The invention has the beneficial effects as follows:
Of the present invention have the hermetically-sealed construction of its getter of the composite evacuated plate of the stone material of getter simple, seal reliable, convenient for production, with low cost; In a vacuum furnace under high temperature, high vacuum, not only can direct activated degasser, and can effectively remove getter surface absorption gas, getter is regenerated, ensure that the gettering ability of getter; Vacuum chamber or its space of extract opening comparatively speaking can be very large, so can lay more substantial getter, the vacuum of the vacuum chamber time that is higher but also that maintain not only can be made longer; Vacuum chamber is that metal sheet is made and has the protection of articulamentum and panel, 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 vacuum chamber is minimum, is generally less than 1 millimeter, so the thickness of whole composite plate can be very little, 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 have the composite evacuated plate of the stone material of getter to be 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; The composite evacuated plate of stone material by getter of the present invention forms primarily of stone material and metal material, and articulamentum can select inorganic material or fire proofing, so have good fireproof performance; The stone material having its panel of the composite evacuated plate of the stone material of getter can select multiple decoration of the present invention, so have good decorative effect, does not need after installation to do decorative layer again, not only saves material and saves manpower and time yet; Panel can be assembled by little stone material, so not only can turn waste into wealth, and can increase style; Can process by counter plate in the process that composite plate is produced, make it have higher intensity, better acidproof and anti-pollution characteristic; Of the present invention have the composite evacuated plate of the stone material of getter to be made up of stone material and composite metal plate, so not only thickness is thin, lightweight, and has very high mechanical strength; Of the present invention have the composite evacuated plate of the stone material of getter to adopt normal temperature and pressure lower sealing edge, high-temperature vacuum lower sealing, its 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 have the composite evacuated plate of the stone material of getter 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 have the composite evacuated plate of the stone material of getter to make sketch plate, is directly used in the production of refrigerator carriage, cold store, frozen products insulated container etc.
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.
See accompanying drawing, be made up of panel 1, articulamentum 2, vacuum chamber 3 and supporter 4 the composite evacuated plate of the stone material of getter, 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; Vacuum chamber 3 is that the corrosion resistant plate of 0.15-1.0mm, stainless iron plate, electrolytic tinplate or galvanized sheet etc. are welded by thickness; 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 5 is directly stamped out by the upper metal sheet of vacuum chamber 3 and seal cover form, getter 7 is placed in extract opening 5, place solder 6 in air exhaust nozzle as tin, zinc, magnesium and low-melting alloy thereof, solder 6 dissolves and automatically to seal extract opening 5 afterwards.There is the preparation method of the composite evacuated plate of the stone material of getter as follows: the electrolytic tinplate that first cutting two pieces is onesize is for making vacuum chamber 3, and utilize the mode of punching press to two pieces of electrolytic tinplates carry out flanging shaping and make extract opening 5, by the mode of printing with the performed polymer of high polymer for supporter 4 to be printed on wherein on one block of plate by raw material, utilize seam welder to be welded together after two pieces of electrolytic tinplates close sheet, carry out edge sealing; Secondly make two pieces of onesize marble slabs 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 and solder, 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 7 that promote gas in vacuum chamber 3, after vacuum reaches, be warming up to sealing temperature again, solder 6 melts extract opening 5 self-closed, lower the temperature with stove, solder 6 solidifies final vacuum chamber 3 and realizes airtight sealing, opens the composite evacuated plate of stone material that vacuum drying oven obtains getter; In order to protect the impact of vacuum chamber 3 and elimination heat bridge, 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.