CN102788229A - Method for manufacturing a uniform-density vacuum insulated panel with high production efficiency - Google Patents
Method for manufacturing a uniform-density vacuum insulated panel with high production efficiency Download PDFInfo
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- CN102788229A CN102788229A CN2012102550384A CN201210255038A CN102788229A CN 102788229 A CN102788229 A CN 102788229A CN 2012102550384 A CN2012102550384 A CN 2012102550384A CN 201210255038 A CN201210255038 A CN 201210255038A CN 102788229 A CN102788229 A CN 102788229A
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Abstract
A method for manufacturing a uniform-density vacuum insulated panel with a high production efficiency includes steps as follows: (1) a non-woven fabric bag of a specification and a size are made by a bag making machine, and one edge is left unsealed; (2) the non-woven fabric bag is filled with a core material and the unsealed opening is sealed; (3) the core material in the non-woven fabric bag is evenly spread in the non-woven fabric bag by a jolt flattening machine; (4) the core material is sent into a compacter by a conveyor belt, and is compacted; and (5) the core material is loaded into a gas blocking bag, and then the gas blocking bag is subjected to vacuum pumping by vacuum pumping equipment until reaching 0.02 pa, and then is sealed. The method has the advantages as follows: weighing bagging ensures the precision of product specification; the jolt equipment spreads the core material to be more evenly and flatly under the action of gravity; the step of shaping compacting is carried out after the non-woven fabric bag is filled with the core material, so that the condition that the corner formation of the core material is damaged easily when the core material is coated with the non-woven fabric bag after the step of shaping compacting is avoided, and the yield is improved; and the method is suitable for automatic production, and greatly improves the production efficiency.
Description
Technical field
The present invention relates to a kind of making method of vacuum heat-insulating plate, the vacuum heat-insulating plate of production is mainly used in the heat-insulation and heat-preservation of building materials, household electric appliance, pipeline and other equipment.
Background technique
The preparation process flow process of existing vacuum heat-insulating plate is: core material injects mould compression moulding, uses nonwovens parcel, pack to seal, vacuumize.This method can not guarantee the uniformity of core material tiling during compression moulding in mould, the density unevenness of the core material after the compacting is even; When nonwovens parcel core, destroy the corner moulding of core easily, reduce yield rate; Automaticity is not high, and the personnel that need are more, and manufacturing efficiency is lower.
Summary of the invention
The present invention aim to provide a kind of density evenly, the making method of the vacuum heat-insulating plate of high efficiency, can not guarantee the uniformity of core material tiling when solving the compression moulding in mould that existing technology exists, the density unevenness of the core material after the compacting is even; When nonwovens parcel core, destroy the corner moulding of core easily, reduce yield rate; And automaticity is not high, the problem that manufacturing efficiency is lower.
Technological scheme of the present invention is: a kind of density is even, the making method of the vacuum heat-insulating plate of high efficiency, it is characterized in that, comprises following process step:
(1) with the nonwovens sack of pouch machine manufacturing specification size, open-ended is on one side stayed on the inside back cover limit;
(2) pack of weighing: core material weighed according to prescription to pour in the non-woven bag, one side seal non-woven bag is unsealed;
(3) non-woven bag forward is tiled on the flat-bed machine of top, the top flat-bed machine is evenly paved the core material in the nonwovens in nonwovens in the process of transporting the nonwovens that core material is housed;
(4) line belt is sent into compactor, with the core material compacting;
(5) core is packed in the choke bag, after being evacuated to 0.02pa-200pa on the vaccum-pumping equipment, seal.
The mode that sealing in the described step (1) adopts ultrasound to seal.
The parts by weight of described each composition of core material are: superfine silicon dioxide powder 18-71, stuffing 0-53, inorganic core material 0--41, inorfil 1-18, getter 0-3, vacuum stabilizer 0-2.8.
Said superfine silicon dioxide powder is one or more the mixture in silica flour, silicon ash, volcanic ash, SILICA FUME, SiO 2 powder, the perlite powder, and its packing density is 130-280kg/m
3, specific surface area is 15-29m
2/ g, Mean particle diameter is the 0.1-2 micron; Said vacuum stabilizer is the hollow sorbing material, and mean inside diameter is the 0.1-3 micron.
Said stuffing is one or more the mixture in pulverized fuel ash, expanded perlite, close hole perlite, glass bead, sawdust, wood chip, crop stalk ground product, shredded paper bits, glass wool chip, foam, rock wool debris, granules of polystyrene, dry mud, silicious marl, super glass wool, centrifugally glass-wool, the rock wool; Described inorganic core material is one or more a mixture of aerogel, aerosil, precipitated silica.
Said inorfil is one or more the mixture in glass chopped silk, super glass wool, flame cotton, aluminium silicate wool, ceramic fiber cotton, brucite fiber, the foam, and its length is 3-12mm, and fiber diameter is the 0.2-13 micron.
Said getter is one or more the mixture in active carbon, barium lithium alloy activator, calcium oxide, magnesia, the silica gel; Described vacuum stabilizer is Carborundum or superfine fibre active carbon material or the mixture of the two.
Described choke bag is composited by aluminium foil, polyester film, nylon film, polyethylene film, polyvinyl chloride film, polystyrene film, polyvinylidene chloride, polyvinyl alcohol film, ethylene-vinyl acetate copolymer film, polyvinyl alcohol film, nylon film, ethylene/vinyl alcohol copolymer film, polycarbonate film and polyacrylic one or more; One end of choke bag does not seal, should a unsealed end closure after the core material of packing into vacuumizes.
Said high resistant air film outermost is provided with protective layer, and this protective layer mainly is composited by one or more of glass cloth, nonwovens, carbon-fiber cloth, basalt fiber cloth and ceramic fiber cloth.
Two ends at described high resistant air film bag are provided with edge sealing, and this edge sealing is located at the relative one side at the two ends of this high resistant air film bag, are provided with the occlusal crib that coincide with this edge sealing at the another side relative with this edge sealing.
Advantage of the present invention is: the pack of weighing has guaranteed the stability of product specification; The flat equipment in top uses action of gravity that core material is distributed in non-woven bag, makes the more even of distribution, and is more smooth; Core material packed into carry out the shaping compacting again behind the non-woven bag, destroy the corner moulding of core when having avoided first compacting shaping easily, improved yield rate again with nonwovens parcel core; This method is fit to adopt automatic production, and automation degree of equipment is high, and such production line only needs six employees, and nearly 30 people's production line has improved manufacturing efficiency greatly before replacing.Adopt materials such as sawdust wood chip or agricultural crop straw; Waste utilization has solved the processing difficult problem of these wastes, can reduce the fabricating cost of core simultaneously; Owing to the how empty spongiosa ground of wood fibre, can well keep the extremely low thermal conductivity of vacuum heat-insulating plate simultaneously.Inorfil intermeshes, and can increase the internal stress of core, the intensity of reinforcing core material.Superfine silicon dioxide self has extremely low thermal conductivity, because its structure of molecule that loosens can absorb the residual gas in the choke bag when guaranteeing low thermal conductivity, guarantees the stable of the interior condition of high vacuum degree of choke bag simultaneously.
Description of drawings
Fig. 1 is the vacuum heat-insulating plate processed of the present invention (view on one side) structural representation;
Fig. 2 is another vacuum heat-insulating plate embodiment of the present invention (view on one side) structural representation;
Fig. 3 is the plan view of Fig. 1;
Fig. 4 is the butt joint schematic representation of the present invention when using.
Embodiment
A kind of density of the present invention is even, the making method of the vacuum heat-insulating plate of high efficiency, it is characterized in that, comprises following process step:
(1) with the nonwovens sack of pouch machine manufacturing specification size, open-ended is on one side stayed on the inside back cover limit.Seal the mode that adopts ultrasound to seal.Utilize the ultrasound concentrator to act on the packaging container closure part, with the machine of sealed package container.Be sent to welding zone to ultrasonic energy through last weldment,, therefore can produce localized hyperthermia because the interface place acoustic resistance of i.e. two welding of welding zone is big.Because the nonwovens poor thermal conductivity, can't in time distribute for the moment again, accumulate in welding zone, cause the surface of contact of two nonwovens to melt rapidly, add certain pressure after, make it be fused into one.After ultrasound fails, let pressure continue several seconds, make its coagulation forming, so just form a firm molecular chain, reach the purpose of welding, weld strength can approach raw material intensity.Do not need Bond.
(2) pack of weighing: core material is poured in the non-woven bag with electronic scale weighing according to prescription, one side seal non-woven bag is unsealed.
The parts by weight of described each composition of core material are: superfine silicon dioxide powder 18-71, stuffing 0-53, inorganic core material 0--41, inorfil 1-18, getter 0-3, vacuum stabilizer 0-2.8.
Said superfine silicon dioxide powder is one or more the mixture in silica flour, silicon ash, volcanic ash, SILICA FUME, SiO 2 powder, the perlite powder, and its packing density is 130-280kg/m
3, specific surface area is 15-29m
2/ g, Mean particle diameter is the 0.1-2 micron.
Said vacuum stabilizer is the hollow sorbing material, and mean inside diameter is the 0.1-3 micron.
Said stuffing is one or more the mixture in pulverized fuel ash, expanded perlite, close hole perlite, glass bead, sawdust, wood chip, crop stalk ground product, shredded paper bits, glass wool chip, foam, rock wool debris, granules of polystyrene, dry mud, silicious marl, super glass wool, centrifugally glass-wool, the rock wool; Described inorganic core material is one or more a mixture of aerogel, aerosil, precipitated silica.
Said inorfil is one or more the mixture in glass chopped silk, super glass wool, flame cotton, aluminium silicate wool, ceramic fiber cotton, brucite fiber, the foam, and its length is 3-12mm, and fiber diameter is the 0.2-13 micron.
Said getter is one or more the mixture in active carbon, barium lithium alloy activator, calcium oxide, magnesia, the silica gel.
Described vacuum stabilizer is Carborundum or superfine fibre active carbon material or the mixture of the two.
(3) non-woven bag forward is tiled on the flat-bed machine of top, the top flat-bed machine is evenly paved the core material in the non-woven bag in nonwovens in the process of transporting the nonwovens that core material is housed.The top flat-bed machine is an existing technology.
(4) non-woven bag that core material is housed that will run after putting down with line belt is sent into compactor, with becoming core after the core material compacting.Compactor is an existing technology.
(5) above-mentioned core is packed in the choke bag, after being evacuated to 0.02pa on the vaccum-pumping equipment, seal.
Described choke bag is composited by aluminium foil, polyester film, nylon film, polyethylene film, polyvinyl chloride film, polystyrene film, polyvinylidene chloride, polyvinyl alcohol film, ethylene-vinyl acetate copolymer film, polyvinyl alcohol film, nylon film, ethylene/vinyl alcohol copolymer film, polycarbonate film and polyacrylic one or more; The choke bag has an end open-ended, after the core material of packing into vacuumizes, it is sealed.
Said high resistant air film outermost is provided with protective layer, and this protective layer mainly is composited by one or more of glass cloth, nonwovens, carbon-fiber cloth, basalt fiber cloth and ceramic fiber cloth.
Referring to Fig. 1-Fig. 4, the vacuum heat-insulating plate form structure that the present invention processes can be conventional shape, in the middle of the two ends of high resistant air film bag 1, is provided with sealing strip 3 (referring to Fig. 1).Also can the sealing strip 3 at high resistant air film bag 1 two ends be located at the relative one side at the two ends of this high resistant air film bag 1, be provided with the occlusal crib 4 that coincide with this edge sealing with sealing limit 3 relative another sides.Adjacent two warming plate A1 and A2 edge sealing 3 are placed in the other side's the occlusal crib 4 (as shown in Figure 4) in when construction, have reduced the heat bridge thickness between adjacent two warming plates, improved heat insulation effect and efficiency of construction.
Claims (10)
- A density evenly, the making method of the vacuum heat-insulating plate of high efficiency, it is characterized in that, comprise following process step:(1) with the nonwovens sack of pouch machine manufacturing specification size, open-ended is on one side stayed on the inside back cover limit;(2) pack of weighing: core material weighed according to prescription to pour in the non-woven bag, one side seal non-woven bag is unsealed;(3) non-woven bag forward is tiled on the flat-bed machine of top, the top flat-bed machine is evenly paved the core material in the nonwovens in nonwovens in the process of transporting the nonwovens that core material is housed;(4) line belt is sent into compactor, with the core material compacting;(5) core is packed in the choke bag, after being evacuated to 0.02pa-200pa on the vaccum-pumping equipment, seal.
- 2. density according to claim 1 evenly, the making method of the vacuum heat-insulating plate of high efficiency, it is characterized in that, seal the mode that adopts ultrasound to seal in the described step (1).
- 3. density according to claim 1 is even, the making method of the vacuum heat-insulating plate of high efficiency; It is characterized in that the parts by weight of described each composition of core material are: superfine silicon dioxide powder 18-71, stuffing 0-53; Inorganic core material 0-41; Inorfil 1-18, getter 0-3, vacuum stabilizer 0-2.8.
- 4. density according to claim 3 is even, the making method of the vacuum heat-insulating plate of high efficiency; It is characterized in that: said superfine silicon dioxide powder is one or more the mixture in silica flour, silicon ash, volcanic ash, SILICA FUME, SiO 2 powder, the perlite powder, and its packing density is 130-280kg/m 3, specific surface area is 15-29m 2/ g, Mean particle diameter is the 0.1-2 micron; Said vacuum stabilizer is the hollow sorbing material, and mean inside diameter is the 0.1-3 micron.
- 5. density according to claim 3 evenly, the making method of the vacuum heat-insulating plate of high efficiency, it is characterized in that: said stuffing is one or more the mixture in the mud, silicious marl, super glass wool, centrifugally glass-wool, rock wool of pulverized fuel ash, expanded perlite, closed perlite, glass bead, sawdust, wood chip, crop stalk ground product, shredded paper bits, glass wool chip, foam, rock wool debris, granules of polystyrene, drying; Described inorganic core material is one or more a mixture of aerogel, aerosil, precipitated silica.
- 6. density according to claim 3 is even, the making method of the vacuum heat-insulating plate of high efficiency; It is characterized in that: said inorfil is one or more the mixture in glass chopped silk, super glass wool, flame cotton, aluminium silicate wool, ceramic fiber cotton, brucite fiber, the foam; Its length is 3-12mm, and fiber diameter is the 0.2-13 micron.
- 7. density according to claim 3 evenly, the making method of the vacuum heat-insulating plate of high efficiency, it is characterized in that: said getter is one or more the mixture in active carbon, barium lithium alloy activator, calcium oxide, magnesia, the silica gel; Described vacuum stabilizer is Carborundum or superfine fibre active carbon material or the mixture of the two.
- 8. density according to claim 1 is even, the making method of the vacuum heat-insulating plate of high efficiency; It is characterized in that described choke bag is composited by aluminium foil, polyester film, nylon film, polyethylene film, polyvinyl chloride film, polystyrene film, polyvinylidene chloride, polyvinyl alcohol film, ethylene-vinyl acetate copolymer film, polyvinyl alcohol film, nylon film, ethylene/vinyl alcohol copolymer film, polycarbonate film and polyacrylic one or more; One end of choke bag does not seal, should a unsealed end closure after the core material of packing into vacuumizes.
- 9. density according to claim 8 is even, the making method of the vacuum heat-insulating plate of high efficiency; It is characterized in that: said high resistant air film outermost is provided with protective layer, and this protective layer mainly is composited by one or more of glass cloth, nonwovens, carbon-fiber cloth, basalt fiber cloth and ceramic fiber cloth.
- 10. density according to claim 1 is even, the making method of the vacuum heat-insulating plate of high efficiency; It is characterized in that: the two ends at described high resistant air film bag are provided with edge sealing; This edge sealing is located at the relative one side at the two ends of this high resistant air film bag, is provided with the occlusal crib that coincide with this edge sealing at the another side relative with this edge sealing.
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| CN201210255038.4A CN102788229B (en) | 2012-07-23 | 2012-07-23 | Method for manufacturing a uniform-density vacuum insulated panel with high production efficiency |
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| CN102924041A (en) * | 2012-11-30 | 2013-02-13 | 兴铁新型建材（上海）有限公司 | Formula and technology of novel nanometer composite board core material |
| CN103196007A (en) * | 2013-04-03 | 2013-07-10 | 常州山由帝武节能新材料制造有限公司 | Vacuum insulated panel core material and manufacturing method thereof |
| CN104141859A (en) * | 2013-05-10 | 2014-11-12 | 常州山由帝武节能新材料制造有限公司 | Core material for vacuum heat-insulating plate and vacuum heat-insulating plate |
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| CN104405050A (en) * | 2014-12-09 | 2015-03-11 | 连云港杰瑞自动化有限公司 | Vacuum insulation panel for heat insulation of building and production process of vacuum insulation panel |
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| CN102767244B (en) * | 2012-07-30 | 2016-06-15 | 徐洁 | The making method of a kind of vacuum heat-insulating plate and this vacuum heat-insulating plate is applied to the constructional method of external wall |
| CN102924041A (en) * | 2012-11-30 | 2013-02-13 | 兴铁新型建材（上海）有限公司 | Formula and technology of novel nanometer composite board core material |
| CN103196007A (en) * | 2013-04-03 | 2013-07-10 | 常州山由帝武节能新材料制造有限公司 | Vacuum insulated panel core material and manufacturing method thereof |
| CN104141859A (en) * | 2013-05-10 | 2014-11-12 | 常州山由帝武节能新材料制造有限公司 | Core material for vacuum heat-insulating plate and vacuum heat-insulating plate |
| CN104141859B (en) * | 2013-05-10 | 2016-05-11 | 江苏山由帝奥节能新材股份有限公司 | A kind of core material of vacuum heat insulation plate and vacuum heat-insulating plate |
| CN105757400A (en) * | 2013-05-10 | 2016-07-13 | 糜玥崎 | Core material for vacuum insulation plate and vacuum insulation plate form by same |
| CN104291772A (en) * | 2014-08-12 | 2015-01-21 | 南京航空航天大学 | Fly ash doped glass fiber core material and preparation method thereof |
| CN104405050A (en) * | 2014-12-09 | 2015-03-11 | 连云港杰瑞自动化有限公司 | Vacuum insulation panel for heat insulation of building and production process of vacuum insulation panel |
| CN104534765A (en) * | 2014-12-20 | 2015-04-22 | 苏州苏格尔电器有限公司 | Single-door freezer |
| CN105240652A (en) * | 2015-09-06 | 2016-01-13 | 靳亲国 | Vacuum structure high-temperature thermal baffle and preparation method thereof |
| CN105909919A (en) * | 2016-06-23 | 2016-08-31 | 南京惠科盛德节能科技有限公司 | Core material for vacuum insulation panel |
| CN105970742A (en) * | 2016-06-23 | 2016-09-28 | 南京惠科盛德节能科技有限公司 | Preparing method for vacuum heat insulation board |
| CN105972390A (en) * | 2016-06-23 | 2016-09-28 | 南京惠科盛德节能科技有限公司 | Vacuum insulation plate |
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| CN106946262A (en) * | 2017-04-05 | 2017-07-14 | 景德镇宏柏化学科技有限公司 | A kind of method for preparing hydrophobic type silica aerogel material and its method for preparing VIP evacuated panels and powder |
| CN106946262B (en) * | 2017-04-05 | 2019-07-05 | 江西宏柏新材料股份有限公司 | A kind of method preparing hydrophobic type silica aerogel material and its method for preparing VIP evacuated panel and powder |
| CN107387944A (en) * | 2017-06-28 | 2017-11-24 | 高彦峰 | A kind of environment-friendly type vacuum insulation panel |
| CN108868048A (en) * | 2018-05-11 | 2018-11-23 | 滁州银兴新材料科技有限公司 | A kind of heating floor system heat-insulated with vacuum heat-insulating plate |
| CN112770892A (en) * | 2018-08-22 | 2021-05-07 | 哈金森公司 | 3D thermoformed elements |
| CN111578045A (en) * | 2020-05-22 | 2020-08-25 | 上海海事大学 | Multifunctional composite vacuum insulation panel and manufacturing and packaging method thereof |
| CN111578045B (en) * | 2020-05-22 | 2022-01-28 | 上海海事大学 | Multifunctional composite vacuum insulation panel and manufacturing and packaging method thereof |
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Address after: 266112 Chengyang District, Qingdao, Shandong Province, Wangjiazhuang Street Community Neighborhood Committee North 500 meters. Patentee after: Qingdao Kerui new environmental protection materials Group Co. Ltd. Address before: 266112 Chengyang District, Qingdao, Shandong Province, Wangjiazhuang Street Community Neighborhood Committee North 500 meters. Patentee before: Qingdao Creek New Environmental Materials Co., Ltd. |
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Denomination of invention: Method for manufacturing a uniform-density vacuum insulated panel with high production efficiency Effective date of registration: 20191217 Granted publication date: 20150513 Pledgee: Qingdao Datong Huixin Private Capital Management Co., Ltd Pledgor: Qingdao Kerui new environmental protection materials Group Co. Ltd. Registration number: Y2019370010045 |