CN115434620B - Method for processing hollow glass door of refrigerated cabinet - Google Patents
Method for processing hollow glass door of refrigerated cabinet Download PDFInfo
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- CN115434620B CN115434620B CN202211207166.1A CN202211207166A CN115434620B CN 115434620 B CN115434620 B CN 115434620B CN 202211207166 A CN202211207166 A CN 202211207166A CN 115434620 B CN115434620 B CN 115434620B
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- glass
- glue
- coated
- coated glass
- hollow glass
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- 239000011521 glass Substances 0.000 title claims abstract description 278
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000012545 processing Methods 0.000 title claims abstract description 13
- 239000003292 glue Substances 0.000 claims abstract description 228
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 50
- 229920001971 elastomer Polymers 0.000 claims abstract description 45
- 238000009413 insulation Methods 0.000 claims abstract description 45
- 239000011247 coating layer Substances 0.000 claims abstract description 27
- 238000000576 coating method Methods 0.000 claims abstract description 17
- 239000011248 coating agent Substances 0.000 claims abstract description 15
- 238000011049 filling Methods 0.000 claims abstract description 8
- 230000008093 supporting effect Effects 0.000 claims abstract description 8
- 238000007688 edging Methods 0.000 claims abstract description 7
- 238000005496 tempering Methods 0.000 claims abstract description 5
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- 239000010410 layer Substances 0.000 claims description 29
- 238000003892 spreading Methods 0.000 claims description 28
- 230000007480 spreading Effects 0.000 claims description 28
- 238000003466 welding Methods 0.000 claims description 22
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 238000004026 adhesive bonding Methods 0.000 claims description 14
- 238000007790 scraping Methods 0.000 claims description 14
- 239000011261 inert gas Substances 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 238000010073 coating (rubber) Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 2
- 238000010030 laminating Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 27
- 230000008569 process Effects 0.000 description 18
- 230000000694 effects Effects 0.000 description 16
- 229910052709 silver Inorganic materials 0.000 description 16
- 239000004332 silver Substances 0.000 description 16
- 125000006850 spacer group Chemical group 0.000 description 12
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 238000009833 condensation Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 6
- 238000004513 sizing Methods 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000003672 processing method Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 229920001169 thermoplastic Polymers 0.000 description 5
- 239000004416 thermosoftening plastic Substances 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 230000001154 acute effect Effects 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 4
- 229920002379 silicone rubber Polymers 0.000 description 4
- 239000004945 silicone rubber Substances 0.000 description 4
- 238000009966 trimming Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 239000013464 silicone adhesive Substances 0.000 description 3
- 229920002725 thermoplastic elastomer Polymers 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000005341 toughened glass Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005816 glass manufacturing process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000005336 safety glass Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/673—Assembling the units
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
- C03C27/06—Joining glass to glass by processes other than fusing
- C03C27/10—Joining glass to glass by processes other than fusing with the aid of adhesive specially adapted for that purpose
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/663—Elements for spacing panes
- E06B3/66309—Section members positioned at the edges of the glazing unit
- E06B3/66323—Section members positioned at the edges of the glazing unit comprising an interruption of the heat flow in a direction perpendicular to the unit
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/663—Elements for spacing panes
- E06B3/66309—Section members positioned at the edges of the glazing unit
- E06B3/66328—Section members positioned at the edges of the glazing unit of rubber, plastics or similar materials
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/673—Assembling the units
- E06B3/67326—Assembling spacer elements with the panes
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/673—Assembling the units
- E06B3/67326—Assembling spacer elements with the panes
- E06B3/6733—Assembling spacer elements with the panes by applying, e.g. extruding, a ribbon of hardenable material on or between the panes
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/673—Assembling the units
- E06B3/67339—Working the edges of already assembled units
- E06B3/67343—Filling or covering the edges with synthetic hardenable substances
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/677—Evacuating or filling the gap between the panes ; Equilibration of inside and outside pressure; Preventing condensation in the gap between the panes; Cleaning the gap between the panes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/84—Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields
- H05B3/86—Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields the heating conductors being embedded in the transparent or reflecting material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/249—Glazing, e.g. vacuum glazing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
- Y02B80/22—Glazing, e.g. vaccum glazing
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Joining Of Glass To Other Materials (AREA)
- Refrigerator Housings (AREA)
- Securing Of Glass Panes Or The Like (AREA)
Abstract
The invention provides a method for processing a hollow glass door of a refrigerated cabinet, which comprises the following steps: cutting, edging and tempering the coated glass and the white glass according to the required size, respectively coating conductive silver paste strips on the upper and lower positions of the outer surface of a conductive coating layer of the coated glass, coating inner heat insulation soft glue with a certain thickness on the periphery of the outer side of the conductive coating layer of the coated glass, laminating the coated glass and the white glass, forming a hollow glass cavity between the coated glass and the white glass, filling and coating outer support soft glue in the hollow glass cavity on the outer side of the inner heat insulation soft glue, and realizing the further combination of the coated glass and the white glass, wherein the outer support soft glue completely covers the conductive silver paste strips and a power line. And (3) curing the coated glass and the white glass filled and coated with the outer side supporting soft rubber to form the hollow glass. The method can be widely applied to hollow glass processing, and is particularly suitable for processing the hollow glass door commonly used in a refrigerated cabinet.
Description
Technical Field
The present application is a divisional application of patent application with application number 2021109288527 and application name "hollow glass processing method" of 2021, month 08 and 13.
The invention relates to hollow glass, in particular to a method for processing a hollow glass door of a refrigerated cabinet.
Background
With the development of society and the development of the building industry, the electronic industry and the household appliance industry, the hollow glass is more and more demanded, and particularly, the high-quality hollow glass is more and more favored by consumers, and the quality requirements of the hollow glass used in the building industry and the hollow glass used in the household appliance industry are more and more high.
In order to achieve the attractive and transparent effects of the traditional refrigeration showcase, a glass door is often adopted, and three types of hollow glass doors commonly used in the existing market refrigerated cabinets are mainly adopted, and the hollow glass doors are specifically as follows:
a metal hollow strip type hollow glass door adopting double layers of common glass is characterized in that due to the temperature difference between the inside and the outside of a cabinet, the glass door is inevitably condensed or frosted, so that the glass door becomes fuzzy, articles in the cabinet cannot be seen clearly, the transparent effect and the aesthetic property of the glass door are affected, the merchant and the customer are affected to a certain extent, and the sales effect of the merchant and the experience degree of the customer are affected.
The second is that the outer glass is coated with a metal conductive film, a metal spacer is adopted between the double glass layers of the hollow glass, silver paste lines are added on two sides of the glass layer coated with the conductive film, and the silver paste lines on two sides of the glass are connected with a power supply to heat the glass to solve the problems of condensation and frosting.
The third is similar to the second, but the metal spacer is changed into a PVC spacer, because the PVC material belongs to an insulator, the conductive film is not needed to be removed at the contact part of the PVC material and the conductive film, the silver paste belt can be positioned at the outer side of the spacer, and the hollow cavity can be filled with inert gas, but the spacer of the process is in plug-in connection, the four corners of the spacer are connected by plug-in components, the air tightness is poor, the storage time of the inert gas in the cavity is short, and the energy-saving effect is poor after a period of use.
Disclosure of Invention
Aiming at the requirements of high-quality hollow glass in the building industry, the electronic industry and the household appliance industry and the technical problems that the hollow glass door is easy to form condensation or frosting, the sealing performance of the hollow glass door is poor, inert gas cannot be reserved in a hollow cavity for a long time, the energy-saving effect of the glass door is poor, and finally the energy consumption of products is high, the invention provides a high-quality hollow glass processing method and a refrigerated cabinet hollow glass door processing method, the hollow glass and the refrigerated cabinet hollow glass door processed by the method can prevent the hollow glass from condensation and frosting, have good sealing performance, long service life, transparent and attractive glass doors and good user experience, can effectively block heat exchange transmission inside and outside a cabinet body, reduce energy consumption and save more energy; the processing method of the hollow glass and the processing technology method of the hollow glass door of the refrigerated cabinet are simple and reliable, and the technology stability is high.
Therefore, the technical scheme of the invention is that the method for processing the hollow glass door of the refrigerated cabinet comprises the following steps:
(1) Cutting the coated glass and the white glass according to the required size;
(2) Edging the cut coated glass and white glass;
(3) Tempering the coated glass and the white glass subjected to edging treatment;
(4) Respectively coating conductive silver paste strips on the upper and lower positions of the outer surface of the conductive coating layer of the coated glass;
(5) Cleaning and drying coated glass and white glass, and coating inner side heat insulation soft glue with a certain thickness on the periphery of the outer side of the outer surface of a conductive coating layer of the coated glass;
(6) Pressing the coated glass and the white glass, and forming seamless connection between the inner heat insulation soft rubber and the coated glass and the white glass, so as to form a hollow glass cavity between the coated glass and the white glass; filling inert gas into the hollow glass cavity while pressing;
(7) Welding power lines on the upper welding point of the power line and the lower welding point of the power line respectively, wherein the external ends of the power lines of the upper power line and the lower power line are externally leaked outside the coated glass and the white glass;
(8) The hollow glass cavity at the outer side of the inner side heat insulation soft rubber is filled with and coated with outer side support soft rubber, so that further combination of coated glass and white glass is realized, and the outer side support soft rubber covers the conductive silver paste belt and the power line;
(9) Curing the coated glass and the white glass filled and coated with the outer side supporting soft rubber to form hollow glass;
in the step (8), when filling and injecting the outer side support soft rubber, adopting a rubber coating and scraping assembly;
the gluing and scraping assembly comprises a gluing main body, wherein a gluing gun is arranged at one end of the gluing main body, a transverse glue guiding groove is formed in one surface of the gluing main body, and glue overflow preventing side plates are fixedly arranged on two sides of the transverse glue guiding groove; the inside of gluing rifle is equipped with into gluey passageway, and the one side that advances gluey passageway and is close to the rubber coating main part is equipped with a plurality of branch gluey holes, and a plurality of branch gluey holes are symmetrical fan-shaped distribution for advancing gluey passageway, and the internal diameter that advances gluey passageway is close to branch gluey hole one side and is the ladder and diminish the state in proper order.
Preferably, in the step (6), two sides of the coated glass are respectively pressed with the white glass, and two layers of hollow glass cavities are formed between the coated glass and the white glass.
Preferably, the time interval between step (6) and step (8) is less than 1 minute.
Preferably, the two transverse glue guiding grooves are in an isolation state, the inner diameter of the glue inlet channel is 20 mm+/-1 mm, the inner diameter of the connecting hole positioned on the glue inlet channel at the joint of the glue inlet channel and the outermost fan-shaped glue dividing hole is 16 mm+/-1 mm, the inner diameter of the connecting hole positioned on the glue inlet channel at the joint of the glue inlet channel and the innermost fan-shaped glue dividing hole is 12 mm+/-1 mm, and the inner diameter of the glue dividing hole of the outermost fan-shaped glue dividing hole and the inner diameter of the innermost fan-shaped glue dividing hole are 10 mm+/-1 mm.
The invention has the beneficial effects that as the inner side heat insulation soft rubber, the coated glass and the white glass form seamless connection, the process step does not need to adopt metal supporting parting strips, and the processed vacuum glass has good heat insulation, long service life and stable size. The hollow glass cavity on the outer side of the inner side heat insulation soft rubber is filled with the outer side support soft rubber, so that further combination of coated glass and white glass is realized, a structure with all glue is realized, the product temperature and reliability are better, and the service life is longer; the outside supports the flexible glue and covers electrically conductive silver thick liquid area and power cord totally, and the product is more stable, and the reliability of power circular telegram heating is higher.
Because this freezer cavity glass door includes conductive heating subassembly, can carry out automatic circular telegram and outage according to the temperature of settlement through outside control circuit, just can realize coated glass's heating when circular telegram, prevent to appear dewing and frosting problem. The conductive coating layer of the coated glass does not need to remove the film in a large area, so that the heating area of the coated glass is reserved to the greatest extent, the problem that the periphery of the glass door is particularly easy to be condensed due to cold exposure can be effectively prevented, and the process is simplified in the processing process. Therefore, the hollow glass door is adopted on the fresh-keeping cabinet and the refrigerator, so that the glass door can be ensured not to be condensed and frosted, and the transparency and the attractiveness of the glass door are ensured.
The hollow glass processed by the invention can stably keep the size and keep the temperature for a long time, and the processed hollow glass door can play roles in preventing dewing and frosting, and can save energy.
Drawings
FIG. 1 is a schematic illustration of the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a cross-sectional view of FIG. 2;
FIG. 4 is a cross-sectional view of yet another version of FIG. 2;
FIG. 5 is a cross-sectional view of FIG. 1;
FIG. 6 is a cross-sectional view of yet another version of FIG. 1;
FIG. 7 is a schematic view of one form of a conductive silver paste tape;
fig. 8 is a schematic view of yet another form of a conductive silver paste tape;
fig. 9 is a schematic view of yet another form of a conductive silver paste tape;
fig. 10 is a schematic view of a conductive silver paste tape with dimensional schematic;
FIG. 11 is a schematic view of the construction and manner of use of the glue spreading assembly;
FIG. 12 is a schematic illustration of yet another construction and manner of use of the glue application and screeding assembly;
FIG. 13 is a schematic view of yet another construction and manner of use of the glue application and screeding assembly;
FIG. 14 is a top view of a screed plate;
FIG. 15 is yet another top view of the screed plate;
FIG. 16 is a schematic view of a glue gun;
FIG. 17 is a top view of FIG. 16;
FIG. 18 is a cross-sectional view of FIG. 16;
FIG. 19 is yet another schematic view of a glue gun;
FIG. 20 is a cross-sectional view of FIG. 19;
FIG. 21 is a schematic view of a dispensing orifice;
FIG. 22 is a further schematic view of a dispensing orifice;
FIG. 23 is yet another schematic view of a glue gun;
fig. 24 is a front view of fig. 23;
FIG. 25 is a top view of FIG. 23;
FIG. 26 is a cross-sectional view of FIG. 23;
FIG. 27 is yet another schematic illustration of a glue gun;
fig. 28 is a schematic view of an application of the glue gun of fig. 27.
The symbols in the drawings illustrate:
1. inner side heat insulation soft rubber; 2. a cabinet body rotating shaft side; 3. the outer side supports soft rubber; 4. welding points on the power line; 5. a conductive silver paste tape; 6. a power line; 7. the external end of the power line; 8. coated glass; 9. white glass; 10. a conductive coating layer; 11. a hollow glass cavity; 12. a glass door body assembly; 13. a conductive heating assembly; 14. welding points under the power line; 15. a gluing and scraping assembly; 1501. a scraping plate; 1502. a glue gun; 150201. a glue feeding rod; 150202. a glue spreading nozzle; 150203. a glue inlet channel; 150204. a cone is fixed on the glue gun; 150205. a glue outlet inclined plane; 150206. a glue guiding circular arc; 150207. a glue drawing sharp corner; 150208. a transverse glue guiding groove; 150209. a glue spreading main body; 150210. a glue separating hole; 1503. an anti-overflow side plate; 1504. a side cleaning pad; 1505. a glue gun mounting hole; 1506. a guide post; 1507. a spring; 1508. and (5) supporting plates.
Detailed Description
The invention is further described below with reference to examples.
Fig. 1 to 28 show an embodiment of a method for manufacturing a hollow glass according to the present invention, which can be seen in the drawings, the hollow glass comprises a glass door main body assembly 12 and a conductive heating assembly 13, the glass door main body assembly 12 comprises a coated glass 8, a white glass 9 is arranged on one side of the coated glass 8, an inner side heat insulation soft rubber 1 is arranged between the coated glass 8 and the white glass 9, a hollow glass cavity 11 is arranged between the coated glass 8 and the white glass 9 and positioned on the inner side of the inner side heat insulation soft rubber 1, and inert gas is filled in the hollow glass cavity 11; the coated glass 8 comprises a conductive coating layer 10 arranged on the inner surface of the coated glass, and the inner side heat insulation soft rubber 1 is positioned around the inner surface of the conductive coating layer 10 and around the inner wall surface of the white glass 9; the inner surface of the conductive coating layer 10 is close to one side and is fixedly provided with a conductive silver paste belt 5, the inner side edge of the conductive silver paste belt 5 does not exceed the inner side edge of the inner side heat insulation flexible glue 1, one end of the conductive silver paste belt 5 is fixedly provided with a power wire upper welding point 4, the inner surface of the conductive coating layer 10 is close to the other side and is fixedly provided with a conductive silver paste belt 5, one end of the conductive silver paste belt 5 is fixedly provided with a power wire lower welding point 14, the power wire upper welding point 4 and the power wire lower welding point 14 are respectively positioned at two opposite angles of the coated glass 8, the power wire upper welding point 4 and the power wire lower welding point 14 are respectively connected with a power wire 6, the outer end of the power wire 6 is a power wire outer connecting end 7, the power wire outer connecting end 7 is leaked outside a glass door main body assembly 12, and the conductive coating layer 10, the conductive silver paste belt 5 and the power wire 6 form a conductive heating assembly 13; the outer side periphery of the inner side heat insulation soft rubber 1 is provided with an outer side support soft rubber 3.
In this embodiment, the conductive silver paste tape 5 is located on the outer side of the inner side heat insulation flexible glue 1, as shown in fig. 3, such a structure facilitates the welding of the power line 6, meanwhile, the conductive silver paste tape 5 is not in contact with the inner side heat insulation flexible glue 1, and is completely located under the coverage of the outer side support flexible glue 3, when the conductive heating component 13 is electrified, uniform circuit density can be formed, heating is more uniform, and energy consumption is lower when heating is used for a long time.
As shown in fig. 4, the conductive silver paste tape 5 may be located at the bottom of the inner heat insulation flexible glue 1, and the conductive silver paste tape 5 and the inner heat insulation flexible glue 1 are in complete coverage contact, since the inner heat insulation flexible glue 1 has a high resistance value, most of the current flows along the conductive coating layer 10 when the conductive heating component 13 is electrified, and uniform current is formed, so that the technical effect of forming uniform circuit density can be achieved, heating is very uniform, and energy consumption is lower when heating is used for a long time; under this scheme, welding point 4 and welding point 14 all are placed in the outside of inboard thermal-insulated flexible glue 1 on the power cord on the electrically conductive silver thick liquid area 5, and after the thermal-insulated flexible glue 1 glueing of scene inboard like this, can weld power cord 6 again, convenient operation.
As shown in fig. 9, a part of the conductive silver paste tape 5 can be placed at the bottom of the inner heat insulation soft rubber 1, and another part can be placed in the outer region of the inner heat insulation soft rubber 1, so that the heating performance of the product can be ensured.
The inner side heat insulation soft rubber 1 of the embodiment is made of thermoplastic rubber, and comprises TPS rubber or 4SG rubber, wherein the equivalent heat conductivity coefficient of the TPS thermoplastic rubber is 0.24W/(m.k), so that heat conduction can be effectively controlled, and the heat conduction inside and outside the control cabinet body can be controlled, so that the effects of heat preservation and energy conservation are achieved. Meanwhile, the resistivity of TPS glue or 4SG glue can reach 10 6 -10 7 The ohm cm can ensure the insulation effect among the inner side heat insulation soft rubber 1, the conductive silver paste belt 5 and the conductive coating layer 10 and ensure the smoothness of the current channel of the conductive heating component 13. The selection of the thermoplastic adhesive is guaranteedThe effective heat conductivity coefficient is less than or equal to 0.24W/(m.k), and the resistivity is more than or equal to 10 6 -10 7 ohm cm, can well meet the requirements of hollow glass doors used for fresh-keeping cabinets and storage showcases.
The outside supports the material of the soft rubber 3 and is silicone rubber, and the silicone rubber also has high resistivity and low heat conductivity coefficient, so that the smooth and heat insulation effects of the current heating channel can be further ensured.
In this implementation, the material of inboard thermal-insulated flexible glue 1 is thermoplastic rubber, and the material of outside support flexible glue 3 is silicone rubber, and the surface of outside support flexible glue 3 is parallel and level mutually with coated glass 8 and white glass 9's lateral surface, and such structure can guarantee that the silicone rubber solidification back has very stable thickness support, guarantees the thickness dimensional stability of double-deck freezer cavity glass door, can long-term stable use non-deformable.
In the technical scheme, thermoplastic glue and silicone glue are adopted to have large resistance, especially TPS glue is adopted to the thermoplastic glue, the conductive silver paste strip 5 is tightly contacted with the conductive coating layer 10 of the coated glass 8 to form a good conductive effect, meanwhile, the conductive silver paste strip 5 and the thermoplastic glue and the silicone glue have good insulating effect, no insulating treatment is needed in the manufacturing process, and compared with the existing metal spacer and PVC spacer, the metal spacer and PVC spacer are insulated with the conductive silver paste strip 5, the conductive coating layer 10 at the bottom of the metal spacer and PVC spacer is removed in the manufacturing process, so that the process of the embodiment is simpler, the reliability of conductive heating is higher, and the long-term use stability is better.
In the embodiment, the width of the conductive silver paste belt 5 is 5mm-6mm, the distance between the outer side surface of the inner side heat insulation soft rubber 1 and the outer side surfaces of the coated glass 8 and the white glass 9 is 8mm-15mm, the width of the inner side heat insulation soft rubber 1 is 5.8mm-6.8mm, and the thickness of the inner side heat insulation soft rubber 1 is 2mm-20mm, so that a stable supporting structure can be formed by the structural dimension, and meanwhile, the stable sealing performance of the hollow glass cavity 11 can be ensured; and because the conductive coating layer 10 at the bottom of the inner side heat insulation soft rubber 1 does not need to be removed during manufacturing, the coated glass 8 can be ensured to have the complete conductive coating layer 10, so that the uniform running of the current density in the conductive coating layer 10 can be ensured, the heating uniformity of the conductive coating layer 10 is further ensured, and finally, the good heating effect of the conductive heating component 13 is ensured, and the inside of the hollow glass cavity 11 is not frosted or condensed.
As an optimized size, the width of the inner side heat insulation soft rubber 1 is 5.8mm-6.8mm, the size B shown in figure 10 is shown, the thickness of the inner side heat insulation soft rubber 1 is 2mm-2.5mm, the distance between the outer side surface of the inner side heat insulation soft rubber 1 and the outer side surfaces of the coated glass 8 and the white glass 9 is 10mm-11mm, the size A shown in figure 10 is shown, the width of the conductive silver paste belt 5 is 5.5mm-5.6mm, the use of most of the sizes of fresh-keeping cabinets and refrigerated cabinets can be met, the hollow glass door of the refrigerated cabinet can have beautiful appearance and permeability, the stability of the structure can be ensured, the sealing is reliable, and the service life is long; meanwhile, the thickness of the inner side heat insulation flexible glue 1 is 2mm-2.5mm, the thickness of the hollow glass cavity 11 between the formed hollow glasses is kept between 2mm-2.5mm, and when the heat insulation flexible glue is used for a glass door of a fresh-keeping cabinet, the total thickness is smaller, the heat insulation flexible glue is very suitable for use, the permeability is better, the heat insulation property is good, the fresh-keeping cabinet is attractive, the visibility is good, the exhibits in the heat insulation flexible glue are clear and easy to see, and when the door is opened and closed, the heat insulation flexible glue is very easy to operate and good in hand feeling because of the thinner thickness, and a user very likes to customize products of the size.
In this embodiment, the upper welding point 4 of the power line and the lower welding point 14 of the power line are respectively located at two opposite angles of the coated glass 8, and by adopting the design of such opposite angles, the current supplied from the outside can be ensured to have symmetrical channels when being conducted with the conductive coating layer 10 through the conductive silver paste belt 5, so that the density of the current entering the conductive coating layer 10 is ensured to be more uniform, the heating effect is better, the area with larger resistance value cannot appear in the current, the whole current consumption is small, and the energy consumption is small when the device is used for a long time.
The inert gas in this embodiment is commonly used argon gas, other inert gases can be adopted, and inert gases such as argon gas are filled into the hollow glass cavity 11, so that the heat conduction coefficient can be further reduced, the heat conduction between the inside and the outside of the cabinet body is further ensured, and the energy-saving effect is achieved after long-term use.
The external end 7 of the power line is positioned on one side of the hollow glass door of the refrigerated cabinet as a rotating shaft, so that the installation and the integration can be facilitated.
As another form, the two sides of the coated glass 8 are respectively provided with white glass 9 to form a double-layer glass door, a multi-layer glass door can be formed according to special requirements, the other side of the coated glass 8 is added with another white glass 9, a hollow glass cavity 11 is also formed in the other side of the coated glass, the glue applying process and structure between the coated glass 8 and the white glass 9 are the same, so that the double-layer hollow glass can be conveniently manufactured, and the multi-layer hollow glass can be manufactured according to a similar process method.
The embodiment provides a hollow glass processing method, which comprises the following steps:
(1) Cutting the coated glass 8 and the white glass 9 according to the required size;
(2) Edging the cut coated glass 8 and white glass 9;
(3) Tempering the coated glass 8 and the white glass 9 subjected to edging treatment;
(4) Respectively coating conductive silver paste strips 5 on the upper and lower positions of the outer surface of a conductive coating layer 10 of coated glass 8;
(5) Cleaning and drying the coated glass 8 and the white glass 9, and coating inner side heat insulation soft rubber 1 with a certain thickness on the periphery of the outer side of the outer surface of the conductive coating layer 10 of the coated glass 8;
(6) Pressing the coated glass 8 and the white glass 9, forming seamless connection between the inner side heat insulation soft rubber 1 and the coated glass 8 and the white glass 9, and forming a hollow glass cavity 11 between the coated glass 8 and the white glass 9; filling inert gas into the hollow glass cavity 11 while pressing;
(7) The power lines 6 are respectively welded on the upper welding point 4 and the lower welding point 14 of the power lines, and the power line external connection ends 7 of the upper power line 6 and the lower power line 6 are externally leaked outside the coated glass 8 and the white glass 9;
(8) The hollow glass cavity 11 at the outer side of the inner side heat insulation soft rubber 1 is filled with and coated with the outer side support soft rubber 3, so that further combination of the coated glass 8 and the white glass 9 is realized, and the outer side support soft rubber 3 completely covers the conductive silver paste belt 5 and the power line 6;
(9) And (3) curing the coated glass and the white glass filled and coated with the outer side supporting soft rubber to form the hollow glass.
In this embodiment, in the process of step (6), the two sides of the coated glass 8 may be pressed together with the white glass 9, so that a two-layer hollow glass cavity 11 is formed between the coated glass 8 and the white glass 9, thereby forming a double-layer mechanism.
The time interval between the step (6) and the step (8) is less than 1 minute, and experiments prove that the inner side heat insulation soft rubber 1 and the outer side support soft rubber 3 can be effectively combined, and the product performance is stable in size.
The external side of the power line connecting end 7 is leaked outside the coated glass 8 and the white glass 9, and the size is 50mm-100mm, so that various wiring is facilitated.
In this embodiment, the glue spreading and scraping assembly 15 is used when filling and injecting the outer side support soft glue 3, and as shown in fig. 11-28, a process schematic diagram is shown when filling and injecting the outer side support soft glue 3.
Fig. 16-18 illustrate an embodiment of a glue application and trimming assembly 15. As can be seen, the glue application and trimming assembly 15 includes a trimming plate 1501 and a glue application gun 1502, the trimming plate 1501 having glue application gun mounting holes 1505; the glue gun 1502 comprises a glue feeding rod 150201, a glue gun fixing cone 150204 is arranged at the front end of the glue feeding rod 150201, a glue outlet inclined plane 150205 is arranged at the front end of the glue gun fixing cone 150204, a glue coating nozzle 150202 is arranged on the glue outlet inclined plane 150205, a glue feeding channel 150203 is arranged in the glue feeding rod 150201, a glue distributing hole 150210 is formed in one end, close to the glue coating nozzle 150202, of the glue feeding channel 150203, the glue distributing hole 150210 and the glue coating nozzle 150202 are communicated, and the inner diameter of the glue feeding channel 150203 is larger than that of the glue distributing hole 150210; a portion of the gun mount cone 150204 may be inserted into the gun mount hole 1505 to form a sealed connection. In use, the glue gun fixing cone 150204 is inserted obliquely into the glue gun mounting hole 1505 of the scratch board 1501, and the bottom surface of the scratch board 1501 contacts the outer side surfaces of the coated glass 8 and the white glass 9. In this implementation, because the internal diameter of advance gluey passageway 150203 is greater than the internal diameter of branch gluey hole 150210, when advancing gluey like this, advance gluey passageway 150203 can store a lot of glues with large flow, can satisfy the play gluey needs of a plurality of branch gluey holes 150210, guarantees the stability of gluing and the technology of gluing, can not appear leaking gluey or because the condition that the air that the gluey volume is insufficient led to gets into, glue application quality is stable.
Fig. 19-22 show another embodiment of the glue spreading and scraping assembly 15, which is different from fig. 16-18 in that the glue spreading nozzle 150202 is provided with a plurality of glue guiding circular arcs 150206, glue spreading sharp corners 150207 are arranged between adjacent glue guiding circular arcs 150206, the glue guiding circular arcs 150206 form the appearance shapes of a plurality of circular arc sections on the surface during glue discharging, and the glue spreading is performed through the bottom surface of the scraping plate 1501, so that the glue is easily and quickly scraped due to the existence of a plurality of circular arc sections on the outer surface of the glue, and the glue spreading is uniform in distribution, the glue spreading and spreading effects are very good, and the scraping efficiency is very high.
Fig. 14 and 15 are schematic diagrams of two shapes of the glue gun mounting hole 1505, and different shapes can meet the requirement that the shape of the glue gun mounting hole 1505 is adapted to the glue gun fixing cone 150204, the shape of the glue gun mounting hole 1505 is elliptical or a hole with a multi-arc shape, and other shapes can be designed according to different shapes of the glue gun fixing cone 150204. As can be seen in fig. 14 and 15, the top view of the scraping plate can be adapted to two glue gun fixing cones 150204 with different shapes respectively, wherein the oval glue gun mounting hole 1505 of fig. 14 can meet the shape of the round glue gun fixing cone 150204, when the glue gun fixing cone 150204 is inserted into the glue gun mounting hole 1505, a sealing form with a certain acute angle is formed, because of the existence of the acute angle, glue can be smoothly discharged, the glue coating process can be smoothly completed, the acute angle is generally selected to be 30 ° -60 °, the moving direction of the glue coating nozzle 150202 is along the direction of the acute angle, and the glue coating process and the scraping process can be more smooth; the multi-arc shaped gun mounting holes 1505 of fig. 15 can in turn accommodate such multi-arc shaped appearance shapes of the gun mount cone 150204.
Various forms of the screed 1501 can also be seen in fig. 11-13, the screed 1501 of fig. 11 being in the form of a flat plate, which is well suited for manual sizing for small size glass making; the skillet 1501 in fig. 12 can satisfy mechanical automatic glue application, it can be seen that two sides of the skillet 1501 are respectively provided with a glue overflow preventing side plate 1503, the inner side of the glue overflow preventing side plate 1503 is provided with a side cleaning soft pad 1504, and the arrangement of the side cleaning soft pad 1504 can satisfy that slight glue leakage on two sides is further cleaned up during mechanical glue application, and the next process is directly carried out, so that automatic production is completed. In fig. 13, a structural form is further optimized, and it can be seen that a support plate 1508 is fixedly arranged on one side of the scratch board 1501, one of the glue overflow-preventing side plates 1503 is positioned on the inner side of the support plate 1508, a guide column 1506 is fixedly arranged on the outer side of the glue overflow-preventing side plate 1503, a spring 1507 is sleeved on the outer circle of the guide column 1506, the glue overflow-preventing side plate 1503 and the scratch board 1501 form sliding connection, the manufacture of glass doors with different thicknesses can be met, the universality of the scratch board is stronger, the processing and sizing of glass with various specifications can be met rapidly, and the production efficiency of the whole production line is improved.
Fig. 23-26 show another embodiment of the glue spreading and scraping assembly 15, where it can be seen that the glue spreading and scraping assembly 15 includes a glue spreading main body 150209, a glue spreading gun 1502 is disposed at one end of the glue spreading main body 150209, a lateral glue guiding slot 150208 is disposed on one surface of the glue spreading main body 150209, and glue overflow preventing side plates 1503 are fixedly disposed on two sides of the lateral glue guiding slot 150208; the glue gun 1502 is internally provided with a glue inlet channel 150203, one side of the glue inlet channel 150203 close to the glue spreading main body 150209 is provided with a plurality of glue distributing holes 150210, and one side of the inner diameter of the glue inlet channel 150203 close to the glue distributing holes 150210 is in a step-down state in sequence. Unlike other embodiments, the technical solution of this embodiment is to integrate the glue overflow preventing side plate 1503 and the glue spreading main body 150209, so that the structure can more easily meet the automatic production of a large-scale production line, and the glue spreading and scraping assembly 15 and the automatic glue spreading equipment can be integrated to complete the full-automatic glue spreading production. Because the glue outlet amount can be large due to the existence of the transverse glue guide groove 150208, during glue application, glue flows out quickly along the transverse glue guide groove 150208, and then enters into a position between two layers of glass to finish industrial automation, as can be seen in fig. 26, the glue outlet holes 150210 can be arranged into a plurality of glue outlet holes according to the width of the transverse glue guide groove 150208, the glue outlet holes 150210 on the outermost side and the glue outlet holes 150210 on the inner side are distributed in a fan shape and are respectively communicated with the glue inlet channel 150203, the inner diameter of the glue inlet channel 150203 is in a stepped and smaller state at one side close to the glue outlet holes 150210 in sequence, the synchronism during glue application can be met, because the inner diameter of the glue outlet hole 150210 on the outermost side of the fan shape is larger than the inner diameter of the glue outlet hole 150210 on the inner side of the fan shape and the glue inlet channel 150203, the glue outlet speed of the glue outlet holes 150210 on the outermost side of the fan shape can be quickly ensured during glue outlet, the glue outlet process stability is ensured, the glue applying quality is ensured, the glue outlet holes 150210 distributed on the two sides of the fan shape on the two sides of the glue inlet channel 150203 are distributed symmetrically, and the glue outlet quality is stable.
The embodiment of fig. 27 is to satisfy the sizing of double glazing with a thicker thickness, and it can be seen that two lateral glue guiding grooves 150208 are provided, and the two lateral glue guiding grooves 150208 are isolated, so that the two isolated lateral glue guiding grooves 150208 can simultaneously fill two gaps for sizing, and the sizing gaps are not filled one by one, thereby greatly providing the sizing process of the large-thickness multi-layer hollow glass.
The embodiment of the glue spreading assembly 15 of fig. 23-28 can be used for automated gluing of thicker hollow glass, and fig. 27 is particularly suited for gluing process of large thickness multi-layer hollow glass.
Fig. 28 is a schematic application diagram of the embodiment of fig. 27, in which two isolated lateral glue guiding grooves 150208 can be simultaneously filled with two glue applying gaps respectively, so that automatic glue applying of a hollow glass with a thicker thickness and a double layer can be satisfied, the glue applying of the two glue applying gaps is symmetrical and stable, the stability of an automatic production process and the quality of a product can be ensured, in this embodiment, the inner diameter of the glue feeding channel 150203 is 20mm±1mm, the inner diameter of a connecting hole located on the glue feeding channel 150203 at the connection position of the glue feeding channel 150203 and the outermost-side fan-shaped glue dividing hole 150210 is 16mm±1mm, the inner diameter of a connecting hole located on the glue feeding channel 150203 at the connection position of the glue feeding channel 150203 and the innermost-side fan-shaped glue dividing hole 150210 is 12mm±1mm, the inner diameter of the outermost-side fan-shaped glue dividing hole 150210 and the innermost-side fan-shaped glue dividing hole is 10mm±1mm, and the size structure can basically satisfy the process requirements of most common double-layer hollow glass, and the universality is strong.
When the hollow glass is manufactured, the width of the conductive silver paste belt 5 is generally 5mm-6mm, so that the current passing requirement can be met, silver paste can be saved, when the hollow glass is actually manufactured, the conductive silver paste belt 5 is generally coated on two opposite sides in the width direction, the length in the width direction is shorter, the using amount of the silver paste can be further introduced, the cost is reduced, the current flowing requirement can be ensured, and the heating requirement can be ensured.
Due to the inclusion of the conductive heating component 13, the automatic power-on and power-off can be performed according to the set temperature through an external control circuit, and the heating of the coated glass 8 can be realized when the power-on is performed, so that the problems of dew condensation and frosting are prevented. Because the periphery of the conductive coating layer 10 of the coated glass 8 does not need to remove the film in a large area, the heating area of the coated glass 8 is reserved to the greatest extent, the problem that the periphery of the glass door is particularly easy to be condensed due to cold exposure can be effectively prevented, and the process is simplified in the processing process. Therefore, the hollow glass door is adopted on the fresh-keeping cabinet and the refrigerator, so that the glass door can be ensured not to be condensed and frosted, and the transparency and the attractiveness of the glass door are ensured.
The glass that this embodiment adopted is through tempering treatment, because toughened glass belongs to safety glass, is difficult for broken, and the security is good, also can use not toughened glass.
Fully coating silicone adhesive in a hollow glass cavity area outside the TPS adhesive, realizing the complete combination of two layers of glass by utilizing the structural property of the silicone adhesive, and keeping the integral nominal thickness of the hollow glass for a long time by utilizing the effective supporting property of the silicone adhesive; two conductive leads are led out from the upper corner of the side of the glass door which is opened in actual use, and are directly connected with a power line of the cabinet body when being installed on the cabinet body.
The hollow glass which is basically combined is finished, according to the opening rotating shaft side which is actually used, a conductive lead is welded at one end of the lower silver paste belt close to the rotating shaft side, the conductive lead is also welded at the diagonal end of the welding lead of the upper silver paste belt and the lower silver paste belt, the length of the lead is based on the length that the outer side of TPS glue can reach the edge angle of the rotating shaft and be added with 50mm, the added 50mm is favorable for being connected with a cabinet power supply, and the length can be lengthened according to the requirements of users; inert gas is filled into the hollow glass cavity 11 to reduce the heat transfer coefficient of the gas in the hollow glass cavity; after the TPS adhesive is pressed, seamless butt joint is realized, the air tightness is very good, and the effective time of inert gas can be kept for more than 50 years.
In the implementation, TPS or 4SG thermoplastic glue is coated on the upper periphery of one layer of glass according to the required thickness, the coating position of the TPS glue is based on that the inner side of the TPS glue is not exposed with a silver paste tape, the silver paste tape can be leaked outside the TPS glue, the glue resistance value is very large, the conductive performance of the silver paste tape and the conductive film is not affected completely, the conductive film is not required to be removed from the contact area of the TPS glue and the conductive film, and the silver paste tape can be contacted with the TPS glue completely; the high-transmittance coated glass with the surface coated with the conductive LOW-radiation film layer is selected from online LOW-radiation LOW_E coated glass which is easy to purchase in the market, the coated layer has a radiation-proof function, the heat radiation transmission can be effectively reduced, the glass belongs to a metal film, the conductivity is good, the coated layer is coated on the original glass during production, the combination of the coated layer and a glass body is good, and the oxidation can be avoided.
One layer of hollow glass adopts high-permeability coated glass coated with a conductive low-radiation film layer, conductive silver paste lines are coated on two sides of a coated surface, TPS glue or 4SG glue is used for spacing the two layers of glass, current can be automatically selected to be transmitted through the silver paste lines and the conductive low-radiation film layer due to the very large resistance value of the TPS glue, the conductive film layer of a contact surface is not required to be removed, inert gas is filled in, the two layers of glass are combined together, connecting leads of the silver paste lines are welded, silicone glue is coated in a cavity from the outer side of the TPS glue to the edge of the glass, the welded leads are positioned between the TPS glue and the silicone glue, and a collecting point is arranged at the upper corner of the rotating shaft edge of the glass door, so that the energy-saving glass door capable of preventing condensation and frosting is formed.
The hollow glass door of the refrigerated cabinet only illustrates a single-cavity hollow glass door formed by two layers of glass, and can also be formed by multiple layers of glass.
According to the technical scheme, the hollow glass door of the refrigerated cabinet comprises the conductive heating component 13, and the external control circuit can automatically conduct power on and off according to the set temperature, so that the coated glass 8 can be heated when the power is on, and the problems of condensation and frosting are prevented. Because the periphery of the conductive coating layer 10 of the coated glass 8 does not need to remove the film in a large area, the heating area of the coated glass 8 is reserved to the greatest extent, the problem that the periphery of the glass door is particularly easy to be condensed due to cold exposure can be effectively prevented, and the process is simplified in the processing process. Therefore, the hollow glass door is adopted on the fresh-keeping cabinet and the refrigerator, so that the glass door can be ensured not to be condensed and frosted, and the transparency and the attractiveness of the glass door are ensured.
The hollow glass has good heat preservation effect, can play roles in preventing dewing and frosting when being used for the hollow glass door of the refrigerated cabinet, can save energy, and can be used for the glass door of the refrigerated cabinet such as a fresh-keeping cabinet, a freezer and the like.
However, the foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, so that the substitution of equivalent elements or equivalent variations and modifications within the scope of the invention are intended to fall within the scope of the claims.
Claims (4)
1. A method for processing a hollow glass door of a refrigerated cabinet is characterized by comprising the following steps: the method comprises the following steps:
(1) Cutting the coated glass and the white glass according to the required size;
(2) Edging the cut coated glass and white glass;
(3) Tempering the coated glass and the white glass subjected to edging treatment;
(4) Respectively coating conductive silver paste strips on the upper and lower positions of the outer surface of the conductive coating layer of the coated glass;
(5) Cleaning and drying coated glass and white glass, and coating inner side heat insulation soft glue with a certain thickness on the periphery of the outer side of the outer surface of a conductive coating layer of the coated glass;
(6) Pressing the coated glass and the white glass, and forming seamless connection between the inner heat insulation soft rubber and the coated glass and the white glass, so as to form a hollow glass cavity between the coated glass and the white glass; filling inert gas into the hollow glass cavity while pressing;
(7) Welding power lines on the upper welding point of the power line and the lower welding point of the power line respectively, wherein the external ends of the power lines of the upper power line and the lower power line are externally leaked outside the coated glass and the white glass;
(8) The hollow glass cavity at the outer side of the inner side heat insulation soft rubber is filled with and coated with outer side support soft rubber, so that further combination of coated glass and white glass is realized, and the outer side support soft rubber covers the conductive silver paste belt and the power line;
(9) Curing the coated glass and the white glass filled and coated with the outer side supporting soft rubber to form hollow glass;
in the step (8), when filling and injecting the outer side support soft rubber, adopting a gluing and strickling assembly;
the glue spreading and scraping assembly comprises a glue spreading main body, wherein a glue spreading gun is arranged at one end of the glue spreading main body, a transverse glue guiding groove is formed in one surface of the glue spreading main body, and glue overflow preventing side plates are fixedly arranged on two sides of the transverse glue guiding groove; the inside of gluing rifle is equipped with into gluey passageway, and the one side that advances gluey passageway and is close to the rubber coating main part is equipped with a plurality of branch gluey holes, and a plurality of branch gluey holes are symmetrical fan-shaped distribution for advancing gluey passageway, and the internal diameter that advances gluey passageway is close to branch gluey hole one side and is the ladder and diminish the state in proper order.
2. A method of manufacturing a hollow glass door for a refrigerated cabinet as set forth in claim 1 wherein: in the step (6), the two sides of the coated glass are respectively pressed with the white glass, and two layers of hollow glass cavities are formed between the coated glass and the white glass.
3. A method of manufacturing a hollow glass door for a refrigerated cabinet as set forth in claim 1 wherein: the time interval between the step (6) and the step (8) is less than 1 minute.
4. A method of manufacturing a hollow glass door for a refrigerated cabinet as set forth in claim 1 wherein: the two lateral glue guiding grooves are in an isolation state, the inner diameter of the glue inlet channel is 20 mm+/-1 mm, the inner diameter of the connecting hole on the glue inlet channel at the joint of the glue inlet channel and the outermost fan-shaped glue dividing hole is 16 mm+/-1 mm, the inner diameter of the connecting hole on the glue inlet channel at the joint of the glue inlet channel and the innermost fan-shaped glue dividing hole is 12 mm+/-1 mm, and the inner diameter of the glue dividing hole on the outermost fan-shaped glue dividing hole and the innermost fan-shaped glue dividing hole is 10 mm+/-1 mm.
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| CN113565407A (en) | 2021-10-29 |
| CN115434620A (en) | 2022-12-06 |
| CN113565407B (en) | 2022-11-11 |
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