CN101691900A - Method for manufacturing vacuum insulated plate - Google Patents
Method for manufacturing vacuum insulated plate Download PDFInfo
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- CN101691900A CN101691900A CN200910180367A CN200910180367A CN101691900A CN 101691900 A CN101691900 A CN 101691900A CN 200910180367 A CN200910180367 A CN 200910180367A CN 200910180367 A CN200910180367 A CN 200910180367A CN 101691900 A CN101691900 A CN 101691900A
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- vacuum insulated
- insulated plate
- isolation film
- film
- sealing
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Abstract
The invention discloses a method for manufacturing a vacuum insulated plate, which comprises the following steps: forming a sealing surface of a high-barrier film on the side of an insulated core material by first filling an insulated core material into a high-barrier bag, then vacuumizing the bag, and finally sealing the bag at a reduced pressure; attaching a protective patch with protecting function to the edge or the corner of the sealing surface formed by the high-barrier film at the same time; and folding and wrapping the sealing surface. The method for manufacturing the vacuum insulated plate has the characteristics that the crease is shallower in an edge and corner folding process, the folding damage is smaller, and the immersion of gas at the folded parts can be reduced on the folded surface so as to enhance the protection for a film material at the folded parts; even if local damage occurs at the folded parts, because of the additional protection, the obstruction performance of the edge parts can be enhanced, and the service life of a product can be preserved; and the process is comparatively simple.
Description
Technical field
The present invention relates to the adiabatic heat-insulation technical field, relate in particular to a kind ofly in the folding process of vacuum heat-insulating plate corner, not only can effectively reduce to produce when folding the problem of aperture or be full of cracks and damage film material and the simple relatively method for manufacturing vacuum insulated plate of technology.
Background technique
As everyone knows, vacuum heat-insulating plate is the coated porous core of film bag by high barrier, as: silica, inorfil etc., by decompression vacuum pumping the high-isolation film heat-sealing is made.The vacuum heat-insulating plate of Zhi Zaoing by this way, because of the size of two barrier films up and down of adopting specification greater than core, thereby cause the sealing surface that exists unnecessary high-isolation film to form more or less around its core, this sealing surface is made up of to unnecessary high-isolation film and four corners by the film overlay complexity on each limit of core heat-sealing limit and heat-sealing limit, because of around described vacuum heat-insulating plate, having the unnecessary corner of high-isolation film, when vacuum heat-insulating plate is installed in the interior of casing, stacked position on every side becomes obstruction, will produce the gap at end face.In order can gaplessly to install, the high-isolation film around the core must be folded up.Therefore, must seek a kind of easily folding method with the surplus edge contraction of film.
At present, in the working process of vacuum heat-insulating plate, normally take to adopt adhesive tape with certain viscosity or glue directly to be fitted in core wherein on the high-isolation film of one side the high-isolation film around the core, such bound edge mode, the bound edge personnel must be careful careful four corners are fixed on four corners of core with adhesive tape, along fold line four edge contractions are being fitted on the barrier film on core surface.In folding process, film material inner layer material is because of bend by pressure, and the outer membrane material easily stretches, and the heat-sealing limit is in the process of core surface laps, because the heat-sealing limit has with respect to the higher intensity of heat-sealing film not, in the bound edge process, when especially four corners are folding, be easy at smooth core sheet surface tear film long, cause the damage of the not attractive in appearance and film material on surface, in case it is impaired to have the rete of high barrier, the insulation effect of vacuum heat-insulating plate also can worsen thereupon so, finally influences the working life of product.
In application number is 200610076092.7 patent documentation, a kind of manufacture method of vacuum heat-insulating plate is provided, this method is by except along four limits of core, the not hot melt of the peripheral part of close core side applies outside the part, make the kink of the gas-barrier films of the corner periphery generation that is included in core, overlapping portion, the not deposited part of corner portion is also deposited, though it is a kind of when reducing to produce when folding phenomenon such as aperture or be full of cracks that this method can provide, prevent that gas from immersing, the problem that degree of vacuum reduces, but the core that the method is mentioned has through hole or breach, the position hot compress that also needs loaded down with trivial details not hot melt to apply in addition, temperature is higher than 5～35 ℃ of the fusing points of hot melt coating, the technology relative complex requires also higher.
Be directed to above-mentioned situation, be necessary to provide a kind of making method of vacuum heat-insulating plate in fact, the making method of this vacuum heat-insulating plate not only can effectively reduce to produce when the corner folds the problem of aperture or be full of cracks and damage film material, and the simple method for manufacturing vacuum insulated plate of technology, to overcome the defective of the making method of vacuum heat-insulating plate in the prior art.
Summary of the invention
Purpose of the present invention just provides a kind of method for manufacturing vacuum insulated plate, the making method of vacuum heat-insulating plate not only can effectively reduce to produce when the corner folds the problem of aperture or be full of cracks and damage film material, and the simple relatively method for manufacturing vacuum insulated plate of technology.
For reaching above-mentioned purpose, the invention provides a kind of method for manufacturing vacuum insulated plate, it may further comprise the steps,
A packs adiabatic core in the high-barrier bag that high-isolation film makes into, and puts vacuum chamber into and vacuumize;
B carries out reduced pressure sealing to the high-barrier bag then and handles, and forms a high-isolation film sealing surface at adiabatic core side simultaneously;
C, the protection paster with protective function is sticked at limit on formed high-isolation film sealing surface or angle.
Especially, behind step c, described high-isolation film sealing surface is folded wrap again.
Especially, the high-isolation film sealing surface among the described step b is by Dimensions formed four sealing planes that complicated corner constituted of unnecessary film greater than the barrier film of four heat-sealing limits of two high-isolation film bags of adiabatic core specification and heat-sealing back gauge core side and when vacuumizing sealing.
Especially, the protection paster among the described step c is the film structure with block or shape that various suitable protections corner is impaired of certain intensity.
Especially, the protection paster among the described step c has certain barrier property, can protect the phenomenon because of the folding high-resistant diaphragm breakage that causes.
Especially, the protection paster among the described step c can be arranged at the inside or the outside of the bag of high-isolation film formation.
Especially, the protection paster among the described step c is arranged at four corners on the core surface of determining parcel.
Especially, the protection paster among the described step c be arranged on the high-isolation film around.
Especially; the core of the high-barrier bag of packing among the described step a can be the material of rectangular, square, different shape such as trapezoidal; protection paster among the corresponding described step c is change shape at any time; mainly be that the film material shape of being enclosed around the adiabatic core during according to the shape of adiabatic core and bound edge decides; can be cut into block, bar shaped, circular, as long as different shape all can play a protective role when film tuck.
Especially, four sides at the adiabatic core edge among the described step a and corner adopt the adhesive tape or the glue that the high-isolation film bonding can be fit together with certain viscosity, four corners are fitted in it on selected flanging surface in good condition along fold line, influence the heat-insulating property of thermal shield to prevent other impurity.
Compared to prior art, the invention provides a kind of making method of vacuum heat-insulating plate, the making method of this vacuum heat-insulating plate not only can effectively reduce to produce when the corner folds the problem of aperture or be full of cracks and damage film material, and the simple method for manufacturing vacuum insulated plate of technology.
Description of drawings
With embodiment the utility model is described in further detail with reference to the accompanying drawings below.
Fig. 1 is the planimetric map of the embodiment of the invention behind reduced pressure sealing,
Fig. 2 is the partial enlarged drawing at the folding position of inventive embodiments.
Among the figure:
1, vacuum heat-insulating plate; 2, adiabatic core; 3, high-isolation film; 4, heat-sealing limit; 5, side high-isolation film; 6, corner; 7, protection paster; 8, fold line.
Embodiment
Please refer to Figure 1 and Figure 2, Fig. 1 is the planimetric map of the embodiment of the invention behind reduced pressure sealing, and Fig. 2 is the partial enlarged drawing at the folding position of inventive embodiments.The invention provides a kind of method for manufacturing vacuum insulated plate; in present embodiment; choose in the vacuum insulation core material that the inorfil pad forms and add adsorbent; form the vacuum heat-insulating plate 1 of a 400*400*12mm with the high-barrier composite film 3 parcel decompression vacuum pumping sealing backs of containing aluminium foil; the heat-sealing limit 4 that has high-isolation film 3 formation of certain-length at the periphery of adiabatic core 2; 6 forming directions of the corner with certain labyrinth that form according to four corners 6 at first; determine the core surface of easy bound edge; cut the circular block rete protection paster 7 of four 40*40mm then; described protection paster 7 is arranged at the inside of the bag of high-isolation film 3 formation; with described protection paster 7 after 6 places, four corners post; utilize adhesive tape or glue with 6 location, four turnings, and seal limits 4 with four along determined fold line 8; and the side barrier film 5 of heat-sealing back gauge core; and vacuumize the sealing plane that formed four the complicated corners 6 of unnecessary film of when sealing are constituted and well be fitted in high-isolation film 3 surfaces.Simultaneously, the adhesive tape that can have modification at the high-isolation film 3 surface coverage applying one decks of fitting, can adopt various mode to cover bound edge from specious angle, form the adhesive tape that own unique bound edge shape also can cover that layer outside, folding then wrapping gets final product.
Described protection paster 7 is not only applicable to 6 places, four corners; also be applicable to simultaneously along adiabatic core 2 high-isolation film 3 folding bound edges all around; around the film on heat-sealing limit 4, stick protection paster 7 at adiabatic core 2; cut into strip according to concrete width and length; well fit with on every side limit enabling; adhesive tape or the glue stronger with viscosity are attached on each shape rete, are fitted in the heat-sealing limit 4 and 7 places, corner of adiabatic core 2 then, finish bound edge work along fold line then.
In addition; described protection paster 7 can also be arranged in the bag of high-isolation film 3 formation; before the bag; several sides in heat-sealing stick this protection paster 7 respectively; vacuumize sealing after adiabatic core 2 packed into; inside at adiabatic core 2 and high-isolation film 3 bags has formed good protective action; then; core side film that can be externally and corner use the rete protective material of different shape; can team's folded edge form the excellent protection function like this, play the effect of duplicate protection.Along fold line corner is on every side wrapped up then.
By comparing; the folded membrane that does not post protection paster 7 is launched with the film material tiling of posting protection paster 7; discovery is darker at the high-isolation film 3 internal layer folding lines that do not post protection paster 7; and the film material that posts behind the protection paster 7 wants more shallow relatively; folding damage is less; and on folding surface; after sticking this protection paster 7; can reduce the immersion of folding position gas, strengthen the protection of folding position film material, even local damage occurs at these positions; because this layer protection of adding; the barrier property of these edges is enhanced, and can keep the working life of product, and technology is fairly simple.
Claims (10)
1. method for manufacturing vacuum insulated plate, it is characterized in that: it may further comprise the steps,
A packs adiabatic core in the high-barrier bag that high-isolation film makes into, and puts vacuum chamber into and vacuumize;
B carries out reduced pressure sealing to the high-barrier bag then and handles, and forms a high-isolation film sealing surface at adiabatic core side simultaneously;
C, the protection paster with protective function is sticked at limit on formed high-isolation film sealing surface or angle.
2. method for manufacturing vacuum insulated plate according to claim 1 is characterized in that: behind step c, described high-isolation film sealing surface is folded wrap again.
3. method for manufacturing vacuum insulated plate according to claim 1 is characterized in that: the high-isolation film sealing surface among the described step b is by Dimensions formed four sealing planes that complicated corner constituted of unnecessary film greater than the barrier film of four heat-sealing limits of two high-isolation film bags of core specification and heat-sealing back gauge core side and when vacuumizing sealing.
4. according to claim 1,2 or 3 described method for manufacturing vacuum insulated plate, it is characterized in that: the protection paster among the described step c is the film structure with block or shape that various suitable protections corner is impaired of certain intensity.
5. method for manufacturing vacuum insulated plate according to claim 4 is characterized in that: described protection paster has certain barrier property, can protect the phenomenon because of the folding high-resistant diaphragm breakage that causes.
6. method for manufacturing vacuum insulated plate according to claim 4 is characterized in that: described protection paster can be arranged at the inside or the outside of the bag of high-isolation film formation.
7. method for manufacturing vacuum insulated plate according to claim 4 is characterized in that: described protection paster is arranged at four corners on the adiabatic core surface of determining parcel.
8. method for manufacturing vacuum insulated plate according to claim 4 is characterized in that: described protection paster is arranged at the corner or all around on the high-isolation film.
9. method for manufacturing vacuum insulated plate according to claim 4; it is characterized in that: the adiabatic core of the high-barrier of packing among described step a bag can be the material of rectangular, square, different shape such as trapezoidal; protection paster among the corresponding described step c is change shape at any time; mainly be that the film material shape of being enclosed around the core during according to the shape of adiabatic core and bound edge decides; can be cut into block, bar shaped, circular, as long as different shape all can play a protective role when film tuck.
10. method for manufacturing vacuum insulated plate according to claim 4, it is characterized in that: four sides at adiabatic core edge and corner adopt the adhesive tape or the glue that the high-isolation film bonding can be fit together with certain viscosity among the described step a, four corners are fitted in it on selected flanging surface in good condition along fold line, influence the heat-insulating property of thermal shield to prevent other impurity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910180367A CN101691900A (en) | 2009-10-27 | 2009-10-27 | Method for manufacturing vacuum insulated plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910180367A CN101691900A (en) | 2009-10-27 | 2009-10-27 | Method for manufacturing vacuum insulated plate |
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| CN101691900A true CN101691900A (en) | 2010-04-07 |
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| CN200910180367A Pending CN101691900A (en) | 2009-10-27 | 2009-10-27 | Method for manufacturing vacuum insulated plate |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101881546A (en) * | 2010-07-01 | 2010-11-10 | 王欣南 | Built-in integral special-shaped vacuum heat-insulating plate for icebox and processing method thereof |
| CN102330481A (en) * | 2011-08-12 | 2012-01-25 | 常州美家爱节能科技有限公司 | Thermal insulation block brick |
| CN102628539A (en) * | 2011-02-04 | 2012-08-08 | 三菱电机株式会社 | Vacuum heat-insulating material and heat-insulating box |
| CN103542235A (en) * | 2013-10-15 | 2014-01-29 | 潍坊纳博欧化工科技有限公司 | Folding device |
| CN104295861A (en) * | 2014-10-16 | 2015-01-21 | 南京航空航天大学 | Low-thermal-bridge vacuum insulated panel |
| WO2015130638A1 (en) * | 2014-02-26 | 2015-09-03 | Sonoco Development, Inc. | Method of manufacturing vacuum insulation panels |
| CN104964124A (en) * | 2014-08-01 | 2015-10-07 | 常州山由帝奥绝缘材料制造有限公司 | Vacuum insulation board having gaps and/or through holes and method for producing same |
| CN105972389A (en) * | 2015-03-10 | 2016-09-28 | 株式会社东芝 | Vacuum insulated panel, core material, and refrigerator |
| CN113074494A (en) * | 2020-01-06 | 2021-07-06 | 青岛海尔电冰箱有限公司 | Method for manufacturing vacuum heat insulator and refrigerator |
| CN113074495A (en) * | 2020-01-06 | 2021-07-06 | 青岛海尔电冰箱有限公司 | Method for manufacturing vacuum heat insulator and refrigerator |
-
2009
- 2009-10-27 CN CN200910180367A patent/CN101691900A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101881546A (en) * | 2010-07-01 | 2010-11-10 | 王欣南 | Built-in integral special-shaped vacuum heat-insulating plate for icebox and processing method thereof |
| CN102628539A (en) * | 2011-02-04 | 2012-08-08 | 三菱电机株式会社 | Vacuum heat-insulating material and heat-insulating box |
| CN102628539B (en) * | 2011-02-04 | 2015-04-01 | 三菱电机株式会社 | Vacuum heat-insulating material and heat-insulating box |
| CN102330481A (en) * | 2011-08-12 | 2012-01-25 | 常州美家爱节能科技有限公司 | Thermal insulation block brick |
| CN103542235A (en) * | 2013-10-15 | 2014-01-29 | 潍坊纳博欧化工科技有限公司 | Folding device |
| CN103542235B (en) * | 2013-10-15 | 2015-12-02 | 潍坊纳博欧化工科技有限公司 | A kind of folding device |
| WO2015130638A1 (en) * | 2014-02-26 | 2015-09-03 | Sonoco Development, Inc. | Method of manufacturing vacuum insulation panels |
| CN104964124A (en) * | 2014-08-01 | 2015-10-07 | 常州山由帝奥绝缘材料制造有限公司 | Vacuum insulation board having gaps and/or through holes and method for producing same |
| CN104295861A (en) * | 2014-10-16 | 2015-01-21 | 南京航空航天大学 | Low-thermal-bridge vacuum insulated panel |
| CN105972389A (en) * | 2015-03-10 | 2016-09-28 | 株式会社东芝 | Vacuum insulated panel, core material, and refrigerator |
| CN105972389B (en) * | 2015-03-10 | 2018-12-14 | 东芝生活电器株式会社 | Vacuum heat-insulating plate and refrigerator |
| CN113074494A (en) * | 2020-01-06 | 2021-07-06 | 青岛海尔电冰箱有限公司 | Method for manufacturing vacuum heat insulator and refrigerator |
| CN113074495A (en) * | 2020-01-06 | 2021-07-06 | 青岛海尔电冰箱有限公司 | Method for manufacturing vacuum heat insulator and refrigerator |
| CN113074494B (en) * | 2020-01-06 | 2022-07-26 | 青岛海尔电冰箱有限公司 | Method for manufacturing vacuum heat insulator and refrigerator |
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Application publication date: 20100407 |