CN102963104B - Preparation method of back-sealing vacuum insulation panel - Google Patents
Preparation method of back-sealing vacuum insulation panel Download PDFInfo
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- CN102963104B CN102963104B CN201210422388.5A CN201210422388A CN102963104B CN 102963104 B CN102963104 B CN 102963104B CN 201210422388 A CN201210422388 A CN 201210422388A CN 102963104 B CN102963104 B CN 102963104B
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Abstract
A preparation method and a device for a back-sealing vacuum insulation panel. A gas barrier film is tiled; a prepared core material is placed in the middle of the gas barrier film; a triangular support device is used to fold both sides of the gas barrier film into the middle of the core material, and the two sides are sealed; and a gas barrier film pocket filled with the core material is placed into a vacuum device and is vacuumized to 200Pa. The invention has the following advantages: a peripheral edging (long edge) of the vacuum insulation panel is reduced, in order to realize simpleness and reliability, and improve the production efficiency; and the vacuum insulation panel has high heat insulation performance and long vacuum-maintaining time, and can effectively avoid heat transfer caused by cross-ventilation. Therefore, the back-sealing vacuum insulation panel has substantially reduced thermal conductivity, which is less than 0.008w / m.K, and has the characteristics of highly efficient energy-saving, thinness, small volume and light weight.
Description
Technical field
The present invention relates to a kind of preparation method of carrying on the back sealed type vacuum heat-insulating shield.
Background technology
Existing vacuum heat-insulating plate comprises core and is coated on the gas barrier film outside core, inside vacuumizes, the packaged type of gas barrier film is generally carry out edge sealing on three limits of the core of tabular or periphery, the edge sealing of the vacuum heat-insulating plate of such encapsulation can form heat bridge in use, can reduce the integral heat-insulation property of the vacuum heat-insulating plate be stitched together.
Summary of the invention
The present invention aims to provide a kind of preparation method of carrying on the back sealed type vacuum heat-insulating shield, the edge sealing that the periphery existed to solve prior art carries out the vacuum heat-insulating plate of edge sealing can form heat bridge in use, reduces the problem of the integral heat-insulation property of the vacuum heat-insulating plate be stitched together.
Technical scheme of the present invention is:
Advantage of the present invention is: adopt triangular supporting device to realize sealing the back of the body of core, decrease vacuum heat-insulating plate periphery edge sealing (long limit), simple and reliable, improves production efficiency; Heat preservation core plate heat-proof quality is high, and vacuum is held time length, and effectively avoid the heat trnasfer that cross-ventilation causes, therefore thermal conductivity factor significantly reduces, and is less than 0.008w/m.K, has energy-efficient characteristic.Compared with traditional insulation materials, vacuum heat-insulating plate has that layer is thin, volume is little, lightweight advantage.
Accompanying drawing explanation
Fig. 1 is the general structure top view of present device;
Fig. 2 is the upward view of Fig. 1;
Fig. 3 is the top view of figure gas barrier film gathering device of the present invention;
Fig. 4 is the A-A sectional view (being rotated counterclockwise 90 degree) of Fig. 3;
Fig. 5 is the B-B sectional view (being rotated counterclockwise 90 degree) of Fig. 3.
Detailed description of the invention
A kind of preparation method of carrying on the back sealed type vacuum heat-insulating shield of the present invention, vacuum heat-insulating plate comprises core and is coated on the gas barrier film outside core, and inside vacuumizes, and it is characterized in that,
(1) formula of core: its composition and parts by weight are: get dry microfine silica powder 40-70, inserts 0-40, inorganic core material (silicon ash, alumina silicate, one or more mixture of perlite) 0-50, inorfil 1-18, getter 0-3, these raw materials are mixed by vacuum stabilizer 0-2.8;
(2) with the non-woven fabrics sack of Bag Making Machine manufacturing specification size, inside back cover limit, stays open-ended;
(3) to weigh pack: core material is weighed according to formula and pours in non-woven bag, by unsealed for a non-woven bag edge sealing;
(4) be forward laid in by non-woven bag on the flat machine in top, flat machine of running is equipped with in the process of the non-woven fabrics of core material in transport, is evenly paved by the core material in non-woven fabrics in non-woven fabrics;
(5) compacting machine sent into by conveyer belt, by core material compacting, makes heat preservation core plate;
(6) gas barrier film is tiled, centre (or is departed from the centre heat preservation core plate made being placed in gas barrier film, as long as the both sides of gas barrier film can be made to close up on heat preservation core plate), the both sides of gas barrier film are upwards also closed up and sealing-in mutually mutually to folding to above heat preservation core plate;
(7) seal, cut: by an end closure of the gas barrier film of doubling, other end open-ended, the gas barrier film pocket of heat preservation core plate is equipped with in formation, then carries out cutting in units of a heat preservation core plate being divided into single semi-finished product;
(8) semi-finished product are sent into vaccum-pumping equipment to vacuumize, then one end of open-ended is sealed, obtain finished product.
Described vacuum stabilizer is made up of one or more mixtures in active carbon, barium lithium and golden activator, calcium oxide, magnesia, silica gel; Described inorfil comprises the one in rock wool, glass, lignin fibre and glass-ceramic fibre, or with the two or more above-mentioned fiber of arbitrary proportion mixing.
Described inserts is the one in float stone, diatomite, calcium silicates and aerosil, or two or morely mixes with arbitrary proportion.
Described gas barrier film ecto-entad binding agent composite glass fiber cloth, high-isolation film and obstruct composite membrane successively.
Described high-isolation film is aluminium foil, aluminizer, PET film, nylon film, PVC film, EVOH film, PE film or PP film.
Described obstruct composite membrane is composited by one or more any combination in aluminium foil, aluminizer, PET film, nylon film, PVC film, EVOH film and PP film.
See Fig. 1 ~ Fig. 5, a kind of enforcement makes the equipment carrying on the back sealed type vacuum heat-insulating shield method, gas barrier film discharging device 17, gas barrier film gathering device, the first height stationary fixture 5, edge banding apparatus 6, second height stationary fixture 7, closing device 8 and cutting means 9 are installed between input (left end) on conveyor belt 2 to output (right-hand member) successively, core conveying device 1 is provided with, for equally spacedly to (device fabrications by other) heat preservation core plate 11 of the input conveying tabular of conveyer belt 2 on the side of conveyer belt 2 input.When the heat preservation core plate 11 being advanced to conveyer belt 2 advances certain distance (size according to heartwood is determined, as 20-40 centimetre), core conveying device 1 advances next block core.Core conveying device 1 and gas barrier film discharging device 17 are prior art.
Described gas barrier film gathering device is that leg-of-mutton bracing or strutting arrangement 4 and a limit for height baffle plate 10 form by an end face, bracing or strutting arrangement 4 and limit for height baffle plate 10 are connected to the both sides of the frame of conveyer belt 2 respectively by the support 12 and 14 of respective n shape, limit for height baffle plate 10 is positioned at after triangular supporting device 4, first height stationary fixture 5 (be front with product input, output is rear) after limit for height baffle plate 10.Gas barrier film 3 is laid on conveyer belt 1, and when triangular supporting device 4, gas barrier film 3 both sides are directed to be closed up, heat preservation core plate 11 from bracing or strutting arrangement 4 below by.
Leg-of-mutton bracing or strutting arrangement 4 is that the wide iron bar of about 4-8cm is made, as 4 diagrams.
Be connected to the top of a vertical rod 13 in the middle part of the limit for height baffle plate 10 of horizontally set with bolt, the top of vertical rod 13 is connected with the top middle portion of the support 14 of n shape.Be provided with through hole or the screw 15 of the setting of multiple longitudinal separation on the top of vertical rod 13, limit for height baffle plate 10 can be fixed on the diverse location on vertical rod 13 top by bolt, realize the height regulating limit for height baffle plate 10.After bracing or strutting arrangement 4, after the both sides of gas barrier film are upwards closed up, the height on the both sides through limit for height baffle plate 10 pairs of gas barrier films is needed to regulate, make it concordant, and it is consistent with the height of two height stationary fixtures 5 and 7, and then realize, to the adjustment of next procedure heat-sealing position, the uniformity of the smooth and edge sealing of edge banding apparatus 6 edge sealing being ensured.
Bracing or strutting arrangement 4 all leaves one with the bottom of the vertical rod 13 being connected limit for height baffle plate 10 with the surface of conveyer belt 2 can by the gap of heat preservation core plate 11.
The first described height stationary fixture 5, second height stationary fixture 7 to the rotating roller composition axially erect, is provided with anti-slip veins on the surface of rotating roller, for fixing the height of gas barrier film 3 and gas barrier film 3 being guided transmission forward by three.
The implication of the present invention's " back of the body envelope " is exactly the back side (above in Fig. 4 and Fig. 5) that the edge sealing of gas barrier film 3 is located at heat preservation core plate 11.
Claims (6)
1. carry on the back a preparation method for sealed type vacuum heat-insulating shield, vacuum heat-insulating plate comprises core and is coated on the gas barrier film outside core, and inside vacuumizes, and it is characterized in that,
(1) formula of core: its composition and parts by weight are: get dry microfine silica powder 40-70, inserts 0-40, inorganic core material 0-50, inorfil 1-18, these raw materials are mixed by getter 0-3, vacuum stabilizer 0-2.8; Described inserts is that one or more of float stone, diatomite and calcium silicates mix with arbitrary proportion; Described inorganic core material is silicon ash, one or more mixture of alumina silicate and perlite;
(2) with the non-woven fabrics sack of Bag Making Machine manufacturing specification size, inside back cover limit, stays open-ended;
(3) to weigh pack: core material is weighed according to formula and pours in non-woven bag, by unsealed for a non-woven bag edge sealing;
(4) be forward laid in by non-woven bag on the flat machine in top, flat machine of running is equipped with in the process of the non-woven fabrics of core material in transport, is evenly paved by the core material in non-woven fabrics in non-woven fabrics;
(5) compacting machine sent into by conveyer belt, by core material compacting, obtains heat preservation core plate;
(6) gas barrier film is tiled, the heat preservation core plate made is placed in the centre of gas barrier film or departs from centre, the both sides of gas barrier film are upwards also closed up and sealing-in mutually mutually to folding to above core;
(7) seal, cut: by an end closure of the gas barrier film of doubling, other end open-ended, the gas barrier film pocket of heat preservation core plate is equipped with in formation, then carries out cutting in units of a heat preservation core plate being divided into single semi-finished product;
(8) semi-finished product are sent into vaccum-pumping equipment to vacuumize, then one end of open-ended is sealed, obtain finished product;
Described step (6) adopts triangular supporting device to realize, and tiling gas barrier film is on a moving belt through triangular supporting device, and both sides upwards close up and form back of the body edge sealing under the guiding of triangular supporting device; This back of the body edge sealing continues the edge banding apparatus conveying walked backward through the guiding of one group of guide roller, and completes heat-sealing by the latter.
2. the preparation method of back of the body sealed type vacuum heat-insulating shield according to claim 1, is characterized in that, described vacuum stabilizer is made up of one or more mixtures in active carbon, barium lithium alloy activator, calcium oxide, magnesia, silica gel; Described inorfil comprises the one in rock wool, glass, lignin fibre and glass-ceramic fibre, or with the two or more above-mentioned fiber of arbitrary proportion mixing.
3. the preparation method of back of the body sealed type vacuum heat-insulating shield according to claim 1, is characterized in that, described gas barrier film ecto-entad binding agent composite glass fiber cloth, high-isolation film and obstruct composite membrane successively.
4. the preparation method of back of the body sealed type vacuum heat-insulating shield according to claim 3, is characterized in that, described high-isolation film is aluminium foil, aluminizer, PET film, nylon film, PVC film, EVOH film, PE film or PP film.
5. the preparation method of the back of the body sealed type vacuum heat-insulating shield according to claim 3 or 4, it is characterized in that, described obstruct composite membrane is composited by one or more any combination in aluminium foil, aluminizer, PET film, nylon film, PVC film, EVOH film and PP film.
6. the preparation method of back of the body sealed type vacuum heat-insulating shield according to claim 1, it is characterized in that, described guide roller forms the rotating roller axially erect by three, is provided with anti-slip veins, for fixing the height of gas barrier film and being forwarded by gas barrier film on the surface of rotating roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210422388.5A CN102963104B (en) | 2012-10-30 | 2012-10-30 | Preparation method of back-sealing vacuum insulation panel |
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| CN201210422388.5A CN102963104B (en) | 2012-10-30 | 2012-10-30 | Preparation method of back-sealing vacuum insulation panel |
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| CN102963104B true CN102963104B (en) | 2015-01-28 |
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Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373768A (en) * | 2013-08-12 | 2015-02-25 | 苏州维艾普新材料股份有限公司 | Vacuum insulation plate flatness improving device and method |
| CN103438327B (en) * | 2013-08-21 | 2016-06-08 | 四川航天系统工程研究所 | The preparation method with the high-performance nano heat-barrier material of ultra-low thermal conductivity |
| WO2015182768A1 (en) * | 2014-05-30 | 2015-12-03 | 旭硝子株式会社 | Vacuum heat-insulating material |
| JP6253534B2 (en) * | 2014-07-09 | 2017-12-27 | 三菱電機株式会社 | Vacuum insulating material manufacturing method and vacuum insulating material manufactured by the manufacturing method |
| CN105570617A (en) * | 2014-09-29 | 2016-05-11 | 福建赛特新材股份有限公司 | Manufacturing method of vacuum insulation board |
| CN104652629A (en) * | 2014-12-26 | 2015-05-27 | 高俊丽 | STP (Standard Temperature and Pressure) ultrathin vacuum insulation panel for building internal wall |
| CN105333266A (en) * | 2015-12-01 | 2016-02-17 | 太仓清宇特种塑料有限公司 | Thermal insulation composite material |
| CN106113532B (en) * | 2016-08-17 | 2018-03-09 | 青岛奕辰新能源有限公司 | Vacuum heat-insulation plate flanging all-in-one, vacuum heat-preserving board assembly line and production method |
| CN107387944B (en) * | 2017-06-28 | 2020-01-10 | 高彦峰 | Environment-friendly vacuum insulation board |
| CN110778851B (en) * | 2019-09-26 | 2021-08-03 | 安徽百特新材料科技有限公司 | Vacuum insulation panel provided with mounting holes and free of surface damage |
| CN110792878A (en) * | 2019-09-26 | 2020-02-14 | 安徽百特新材料科技有限公司 | Vacuum insulation panel free of surface damage |
| CN110792879B (en) * | 2019-09-26 | 2021-01-26 | 安徽百特新材料科技有限公司 | Processing technology of vacuum heat insulation plate without fear of surface damage |
| CN112610807A (en) * | 2020-12-18 | 2021-04-06 | 四川迈科隆真空新材料有限公司 | Manufacturing and cutting method of multi-section strip-shaped vacuum heat-insulating plate |
| CN114148001A (en) * | 2021-10-22 | 2022-03-08 | 福建建壹真空科技有限公司 | Production method and production device of vacuum heat insulation plate |
| CN115626323A (en) * | 2022-10-14 | 2023-01-20 | 泰山玻璃纤维有限公司 | Automatic production system for vacuum insulation panels |
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| CN101526165A (en) * | 2009-03-27 | 2009-09-09 | 上海海事大学 | PU vacuum insulation panel and preparation method thereof |
| CN102720922A (en) * | 2012-06-08 | 2012-10-10 | 青岛科瑞新型环保材料有限公司 | Production method of vacuum insulated panel |
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| WO2005003618A1 (en) * | 2003-07-04 | 2005-01-13 | Matsushita Electric Industrial Co., Ltd. | Vacuum thermal insulation material and equipment using the same |
| CN102102796B (en) * | 2010-03-12 | 2012-10-17 | 福建赛特新材股份有限公司 | Vacuum insulation panel and manufacturing method thereof |
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| CN101526165A (en) * | 2009-03-27 | 2009-09-09 | 上海海事大学 | PU vacuum insulation panel and preparation method thereof |
| CN102720922A (en) * | 2012-06-08 | 2012-10-10 | 青岛科瑞新型环保材料有限公司 | Production method of vacuum insulated panel |
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