CN111777338A - Single-glass film, double-glass film hollow glass, manufacturing method, production equipment and application - Google Patents
Single-glass film, double-glass film hollow glass, manufacturing method, production equipment and application Download PDFInfo
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- CN111777338A CN111777338A CN202010722095.3A CN202010722095A CN111777338A CN 111777338 A CN111777338 A CN 111777338A CN 202010722095 A CN202010722095 A CN 202010722095A CN 111777338 A CN111777338 A CN 111777338A
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- 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
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- 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
- E06B3/54—Fixing of glass panes or like plates
- E06B3/56—Fixing of glass panes or like plates by means of putty, cement, or adhesives only
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- 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
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- 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
- E06B3/67—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light
- E06B3/6707—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light specially adapted for increased acoustical insulation
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- 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
- E06B3/67—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light
- E06B3/6715—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light specially adapted for increased thermal insulation or for controlled passage of light
-
- 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
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Acoustics & Sound (AREA)
- Physics & Mathematics (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)
Abstract
The invention belongs to the technical field of hollow glass manufacturing and production, and discloses a single-glass film hollow glass, a double-glass film hollow glass, a manufacturing method, production equipment and application. The invention makes the diaphragm flattened and tightened by directly heating the diaphragm, completes the thermal tightening within a few seconds, shortens the thermal tightening period from the prior hours to several minutes or even several seconds, reduces the time and energy consumption of the thermal tightening process, and can carry out continuous production. The invention greatly reduces the manufacturing cost of the single-glass film hollow glass and the double-glass film hollow glass by improving the structure and the production process of the product and utilizing a mechanized and continuous production line, greatly improves the productivity and obviously reduces the price of the product.
Description
Technical Field
The invention belongs to the technical field of hollow glass manufacturing and production, and particularly relates to single-glass film and double-glass film hollow glass, a manufacturing method, production equipment and application.
Background
At present, the hot mirror film hollow glass is formed by combining two layers of glass and a special hot mirror film, and compared with three-glass two-cavity hollow glass with the same structure, the hot mirror film hollow glass has the advantages that the heat preservation performance is unchanged, but the weight is reduced by nearly 1/3, so the advantages are obvious; but also has obvious defects, mainly a hot stretching process is adopted after the two layers of glass are laminated, and the hot mirror film in the middle is stretched and stretched to achieve good visual effect; however, the hot-stretching process is not only long in manufacturing period (only the structural sealant needs 7-10 days for curing and curing), but also high in energy consumption (several hours for heating when the hot-stretching process is stretched) because the structural sealant needing the glass edge sealing is cured when the hot-stretching process is hot-stretched and the hot-stretching process needs heating through glass, as disclosed in CN106517827A, the manufacturing cost and the productivity of the hollow glass of the hot-stretching mirror film are high, the selling price reaches thousands yuan per square meter, and the supply time is long, so that the hot-stretching process is not popularized and applied on a large scale.
Through the above analysis, the problems and defects of the prior art are as follows:
(1) the existing hot stretching process of the hollow glass of the hot mirror film has long manufacturing period and high energy consumption.
(2) The existing hot mirror film hollow glass has high manufacturing cost, low productivity, high selling price of thousands yuan per square meter and long supply time.
The difficulty in solving the above problems and defects is: the hot mirror film can produce very big contractility and exert on the interval frame among the hot process of stretching tight, and the interval frame generally adopts butyl rubber (butyl rubber can satisfy the requirement of gas tightness) bonding, because the butyl rubber is not solidified, so can not restrict the removal of interval frame under the exogenic action, only can rely on structural sealant, and structural sealant needs the maintenance of 7-10 days just can solidify, just can play the positioning action to the interval frame after only solidifying, lead to hot period of stretching tight very long, can not carry out serialization production.
The hot stretching process is to heat the hot mirror film to shrink the hot mirror film, and the heating difficulty of the hot mirror film is very large after the glass laminating and structural sealing adhesive is cured; the hot mirror film can only be heated through glass and an air layer in the hot stretching process, and the hollow glass of the hot mirror film has the characteristic of good heat insulation performance, so that the heating needs a long time; in the heating process, the air layer expands due to heating, and the glass deforms due to compression, so that the heating rate is required to be slow and uniform, the whole hot stretching process needs hours of heating and constant temperature time, and in addition, the time required by slow cooling is longer, the energy consumption is high, and continuous production cannot be carried out. The significance of solving the problems and the defects is as follows: if a new hot-stretching process is adopted, the hot-stretching time and the hot-stretching period are shortened, the energy consumption can be greatly reduced, and the continuous production can be realized, so that the production efficiency can be greatly improved, the production cost is reduced, the productivity is increased, the performance is improved, the market price is reduced, the hot mirror film hollow glass and related products are popularized and applied in a large range, and material conditions are provided for energy conservation and emission reduction of the whole society.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides single-glass film and double-glass film hollow glass, a manufacturing method, production equipment and application.
The invention is realized in such a way that the single glass film hollow glass is provided with:
a spacing frame;
the spacing frame is adhered and fixed on the periphery of the glass through an adhesive, and the adhesive at least contains a quick-drying adhesive; the diaphragm layer is fixed on the spacing frame in one or two modes of bonding, welding or clamping, the glass, the spacing frame and the diaphragm enclose a cavity, and the diaphragm is instantly flattened and tightened by utilizing hot tightening equipment in a mode of directly heating the diaphragm.
Furthermore, the glass is common glass, ultra-white glass, toughened glass, semi-toughened glass, Low-e glass, colored glaze glass, laminated glass or photovoltaic glass;
the glass is plane glass or cambered surface glass;
the spacing frame is a closed frame made of warm edge spacing strips, aluminum spacing strips or stainless steel spacing strips in a bending, welding or splicing mode;
the diaphragm layer is a plastic film or a composite film;
the diaphragm can be a common film or a functional film, such as a hot mirror film, a color printing film, a color changing film, an infrared ray blocking film, an ultraviolet ray blocking film, a water vapor blocking film and the like;
the diaphragm layer has one or more layers, and a spacing frame is arranged between two adjacent layers of diaphragms; each layer of diaphragm is independently subjected to heat stretching, and after the first layer of diaphragm is installed and subjected to heat stretching, the second layer of diaphragm is installed and subjected to heat stretching;
the thickness of the membrane layer is 0.005-1 mm;
the thickness of the cavity is 1-30 mm;
the curing time of the adhesive used for bonding the glass and the spacing frame and between the spacing frame and the diaphragm layer is 1-300 seconds; the quick-drying adhesive is a hot melt adhesive, a UV adhesive, a pressure-sensitive adhesive, an AB adhesive, an acrylate instant adhesive, a thermosetting phenolic resin adhesive or an epoxy resin adhesive; the adhesive may further comprise a sealant;
the welding between the spacing frame and the diaphragm is preferably ultrasonic welding or welding by a heat sealing machine.
The clamping between the spacing frames and the diaphragm layer is mechanical connection and fixation, and the two spacing frames and the diaphragm clamped between the two spacing frames are mutually connected and fixed together by utilizing the embedding between the convex-concave structures on the spacing frames;
filling inert gas argon or greenhouse gas carbon dioxide into the cavity;
the hot stretching equipment adopts a hot air gun, a hot stretching machine or a hot stretching furnace;
the hot-stretch heating mode adopts hot air heating or infrared heating, or adopts a mixed heating mode of hot air heating and infrared heating;
the temperature and time of the heat-seal are determined according to the material and thickness of the used diaphragm, the temperature of the heat-seal is 60-200 ℃, and the time of the heat-seal is several seconds to several minutes.
Furthermore, the spacing frame adopts a warm edge spacing bar, and the spacing bar contains a drying agent such as a molecular sieve;
the membrane layer is a pvc membrane, a pe membrane, a ps membrane, a pc membrane, a pp membrane, a pet membrane or a pof membrane;
the membrane layer has one to three layers; the thickness is 0.01-0.15 mm;
the thickness of the cavity is 6-15 mm;
the adhesive used for bonding the glass and the spacing frame and the diaphragm at least comprises a quick-drying adhesive, and the curing time of the quick-drying adhesive is 10-200 seconds; selecting heat-resistant high-temperature hot melt adhesive and UV adhesive for the quick-drying adhesive; the adhesive comprises a quick-drying adhesive and a sealant, and the two adhesives are used together;
the clamping connection between the spacing frame and the diaphragm layer is a buckle type connection or a mortise and tenon structural type connection;
the hot stretching equipment adopts a continuous hot stretching machine or a hot stretching furnace;
the hot stretching temperature and time are determined according to the material and thickness of the used diaphragm, and the hot stretching temperature is 70-110 ℃; the hot-stretch time is from a few seconds to tens of seconds.
Another object of the present invention is to provide the method for manufacturing a single glass film insulating glass, including:
firstly, cutting glass according to the size of the manufactured hollow glass, edging, cleaning and drying the glass, and carrying out tempering treatment if the glass needs to be tempered;
secondly, selecting spacing bars with materials and sizes to manufacture spacing frames with corresponding sizes;
thirdly, fixing the spacing frame: a circle of sealant is applied to the bonding surface of the spacing frame or the glass to bond the spacing frame on the glass; quick-drying glue is applied to the contact position of the inner ring or the outer ring of the spacing frame and the glass, so that the spacing frame is firmly fixed on the glass;
fourthly, connecting and fixing the selected diaphragm on the spacing frame in a mode of cutting after or after first assembling, welding or clamping by one or two methods of bonding, welding or clamping, wherein the size of the diaphragm is not smaller than that of the spacing frame, and the periphery of the diaphragm exceeds the spacing frame by 2-3 mm;
fifthly, feeding the glass with the spacer frame and the diaphragm into a hot stretching furnace or a hot stretching machine, directly heating the diaphragm by one or two modes of hot air and infrared rays to enable the diaphragm to shrink, flatten and stretch instantly, and discharging to obtain the required single-glass film hollow glass;
the manufacturing method of the single-glass membrane hollow glass repeats the second step to the fifth step to obtain the single-glass double-cavity membrane hollow glass and the single-glass multi-cavity membrane hollow glass; the diaphragm between two adjacent cavities is provided with vent holes, the vent holes are arranged at the corners of the diaphragm, and the diameter of the vent holes is 2-5 mm.
The invention also aims to provide a cover plate, a refrigerator door body and a wine cabinet door body of the flat-plate solar water heater made of the single-glass-film hollow glass.
The invention also aims to provide the double-cavity double-glass film hollow glass manufactured by the single-glass film hollow glass, wherein the double-cavity double-glass film hollow glass comprises the single-glass film hollow glass, a spacing frame, glass, a sealant layer and a structural sealant layer;
the diaphragm layer of the single-glass film hollow glass faces inwards, the spacer frame and the glass are sequentially bonded by using a sealant, and a structural adhesive layer is filled in a space formed by the two pieces of glass and the outer side of the spacer frame; the sealant is butyl rubber, and the structural adhesive is silicone adhesive or polysulfide adhesive.
The invention also aims to provide a manufacturing method of the double-cavity double-glass film hollow glass, which comprises the following steps:
firstly, cutting glass according to the size of the selected single-glass film hollow glass, edging, cleaning and drying the glass, and toughening the glass if the glass needs to be toughened;
secondly, selecting spacing bars with materials and sizes to manufacture spacing frames with the same size as the spacing frames of the single-glass film hollow glass;
step three, uniformly coating the sealant on the two bonding surfaces of the spacing frame by using a glue spreader;
fourthly, adhering and fixing the glued spacing frame on glass or single-glass film hollow glass;
fifthly, combining the glass with the single glass film hollow glass, and performing rolling or plate pressing;
and sixthly, filling structural adhesive in a space formed by the two pieces of glass and the outer side of the spacing frame, and curing the structural adhesive to obtain the double-glass film hollow glass.
The invention also aims to provide three-cavity double-glass-film hollow glass manufactured by the single-glass-film hollow glass, which comprises two pieces of single-glass-film hollow glass and a spacing frame, wherein the two pieces of single-glass-film hollow glass have the same length and width, the diaphragms face inwards and are oppositely arranged, the spacing frame is positioned between the two pieces of single-glass-film hollow glass, the two pieces of single-glass-film hollow glass and the spacing frame are fixedly bonded together by using a sealing adhesive layer, and a space formed by the two pieces of glass and the outer side of the spacing frame is filled with structural adhesive.
The invention also aims to provide a manufacturing method of the three-cavity double-glass film hollow glass, which comprises the following steps:
firstly, selecting a spacer bar with proper material and size to manufacture a spacer frame with the same size as that of the single-glass film hollow glass;
secondly, uniformly coating the two bonding surfaces of the spacing frame with sealant by using a glue spreader;
thirdly, adhering and fixing the glued spacing frame on one piece of single-glass film hollow glass;
fourthly, combining the two pieces of single glass film hollow glass together, and performing rolling or plate pressing;
and fifthly, filling structural adhesive in a space formed by the two pieces of glass and the outer side of the spacing frame, and curing the structural adhesive to obtain the double-glass film hollow glass.
The invention also aims to provide continuous production equipment for producing single-glass film hollow glass, double-cavity double-glass film hollow glass or three-cavity double-glass film hollow glass, wherein the continuous production equipment comprises a glass original sheet storage system, a cutting machine, an edge grinding machine, a cleaning machine, a toughening furnace, a spacing frame placing machine, a film laminating machine, a heat stretching furnace, a spacing frame placing machine, a sheet combining machine, a pressing machine, a gluing line, a sheet discharging machine and a product storage system; the single glass film hollow glass is connected with a sheet discharging machine after coming out of the hot stretching furnace; increasing the number of the film cavities requires increasing the number of the spacing frame placing machines, the film laminating machines and the heat stretching furnaces; the production of hollow glass also needs to add a spacer bending machine or a welding machine, a butyl rubber spreading machine and a molecular sieve filling machine.
By combining all the technical schemes, the invention has the advantages and positive effects that: the invention provides the single-glass-film hollow glass with simple process, convenient manufacture, low cost and high productivity, and the double-glass-film hollow glass is manufactured by taking the single-glass-film hollow glass as a semi-finished product, so that the low-cost, large-batch, mechanized and continuous production of the double-glass-film hollow glass can be realized, the heat insulation and sound insulation performance of the double-glass-film hollow glass is further improved, and the inherent breathing phenomenon of the existing hollow glass can be effectively improved.
The invention adopts the quick-drying glue to bond and fix the spacing frame, solves the problem of long curing and solidifying time required by fixing the spacing frame by structural glue in the prior art, shortens the time from several days to several minutes between the installation of the diaphragm on the thermal frame, can carry out continuous production, thereby greatly reducing the cost and improving the productivity. The invention makes the diaphragm flattened and tightened by directly heating the diaphragm, completes the thermal tightening within a few seconds, shortens the thermal tightening period from a few hours to a few minutes or even a few seconds (related to the sizes of the glass and the diaphragm), greatly reduces the time and the energy consumption of the thermal tightening process, and can carry out continuous production, thereby greatly reducing the cost, improving the productivity, making the manufacturing cost of the double-glass film hollow glass equal to that of the common hollow glass with the same configuration, and reducing the price of the hot mirror film hollow glass from thousands of yuan per square meter to hundreds of yuan.
By improving the structure and production process of the product, the invention utilizes a mechanized and continuous production line to greatly reduce the manufacturing cost of the double-glass membrane hollow glass (from 800 yuan/sq.m to 200 yuan/sq.m of the prior 600-.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained from the drawings without creative efforts.
FIG. 1 is a flow chart of a method for manufacturing a single-glass film hollow glass according to an embodiment of the present invention.
Fig. 2 is a flow chart of a method for manufacturing a two-cavity dual-glass film hollow glass according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a single-glass film hollow glass provided by an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a two-cavity dual-glass film hollow glass provided by an embodiment of the invention.
Fig. 5 is a schematic structural diagram of a three-cavity double-glass-film hollow glass provided in an embodiment of the present invention.
In the figure: 1. glass; 2. a spacing frame; 3. a separator layer; 4. sealing the adhesive layer; 5. a quick-drying glue layer; 6. the structure glue layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Aiming at the problems in the prior art, the invention provides single-glass film and double-glass film hollow glass, a manufacturing method, production equipment and application thereof, and the invention is described in detail by combining the attached drawings.
As shown in fig. 1, the method for manufacturing single-glass film hollow glass provided by the invention comprises the following steps:
s101: manufacturing glass: cutting glass according to the size of the manufactured hollow glass, edging, cleaning and drying the glass, and carrying out tempering treatment if the glass needs to be tempered;
s102: manufacturing a spacing frame: selecting a spacer bar with proper material and size to manufacture a spacer frame with corresponding size;
s103: fixing the spacing frame: a circle of sealant is applied to the bonding surface of the spacing frame or the glass to bond the spacing frame on the glass; quick-drying glue is applied to the contact position of the inner ring or the outer ring of the spacing frame and the glass, so that the spacing frame is firmly fixed on the glass;
s104: installing a diaphragm: connecting and fixing the selected diaphragm on the spacing frame by one or two methods of bonding, welding or clamping in a mode of cutting and then loading or loading and then cutting, wherein the size of the diaphragm is not smaller than that of the spacing frame, and the periphery of the diaphragm preferably exceeds the spacing frame by 2-3 mm;
s105: hot stretching: and (3) feeding the glass with the spacer frame and the diaphragm into a hot stretching furnace (or hot stretching machine), directly heating the diaphragm by using one or two modes of hot air and infrared rays to enable the diaphragm to shrink, flatten and stretch instantly, and discharging to obtain the required single-glass film hollow glass.
In the invention, the single-glass single-cavity membrane hollow glass is obtained by the manufacturing method, and the single-glass double-cavity membrane hollow glass and the single-glass multi-cavity membrane hollow glass can be obtained by repeating the steps S102 to S105; in order to balance the gas pressure of two adjacent cavities and prevent the diaphragm from generating deformation and corrugation, the diaphragm between the two adjacent cavities is provided with vent holes, the vent holes are generally arranged at the corners of the diaphragm, and the diameter of the vent holes can be set to be 2-5 mm.
The obtained single glass film hollow glass can be directly used for cover plates of flat-plate solar water heaters, door bodies of freezers and wine cabinets and the like, and can also be used for manufacturing double glass film hollow glass.
As shown in fig. 2, the method for manufacturing the double-cavity double-glass film hollow glass provided by the invention comprises the following steps:
s201: manufacturing glass: cutting glass according to the size of the selected single-glass film hollow glass, edging, cleaning and drying, and performing toughening treatment if the glass needs to be toughened;
s202: manufacturing a spacing frame: selecting a spacer bar with proper material and size to manufacture a spacer frame with the same size as the spacer frame of the single-glass film hollow glass;
s203: coating a sealant: uniformly coating the sealant on the two bonding surfaces of the spacing frame by using a glue spreader;
s204: installing a spacing frame: bonding and fixing the glued spacer frame on glass or single-glass film hollow glass;
s205: sheet combining and pressing: combining glass with the single glass film hollow glass, and performing rolling or plate pressing;
s206: gluing: and filling structural adhesive in a space formed by the two pieces of glass and the outer side of the spacing frame, and curing the structural adhesive to obtain the double-glass film hollow glass.
The invention provides a method for manufacturing three-cavity double-glass-film hollow glass, which comprises the following steps of:
(1) manufacturing a spacing frame: selecting a spacer bar with proper material and size to manufacture a spacer frame with the same size as the spacer frame of the single-glass film hollow glass;
(2) coating a sealant: uniformly coating the sealant on the two bonding surfaces of the spacing frame by using a glue spreader;
(3) installing a spacing frame: bonding and fixing the glued spacing frame on one piece of single-glass film hollow glass;
(4) sheet combining and pressing: combining two pieces of single-glass film hollow glass together, and performing rolling or plate pressing;
(5) gluing: and filling structural adhesive in a space formed by the two pieces of glass and the outer side of the spacing frame, and curing the structural adhesive to obtain the double-glass film hollow glass.
The invention provides single glass film hollow glass, which comprises glass, a spacing frame, a diaphragm and an adhesive, wherein the spacing frame is bonded and fixed on the periphery of the glass through the adhesive, the adhesive at least contains a quick-drying adhesive, and the quick-drying adhesive provides enough bonding force in a short time and ensures that the spacing frame does not shift in the next thermal tightening process; the diaphragm is fixed on the spacing frame in one or two modes of bonding, welding or clamping, the glass, the spacing frame and the diaphragm enclose a cavity, and the diaphragm is instantly flattened and tightened by utilizing hot tightening equipment in a mode of directly heating the diaphragm.
Wherein: the glass adopts common glass, ultra-white glass, toughened glass, semi-toughened glass, Low-e glass, colored glaze glass or laminated glass and the like used by the existing hollow glass, and can also adopt photovoltaic glass, such as transparent cadmium telluride photovoltaic glass or opaque crystalline silicon photovoltaic glass, thin film photovoltaic glass and the like.
The glass is plane glass or cambered surface glass.
The spacing frame is a closed frame which is made of warm edge spacing bars, aluminum spacing bars or stainless steel spacing bars through bending, welding or splicing and the like, preferably the warm edge spacing bars are adopted, and drying agents such as molecular sieves and the like are contained in the spacing bars.
The membrane is a plastic film or composite film, preferably a heat shrinkable film, such as pvc, pe, ps, pc, pp, pet or pof film, preferably pc, pet or pof film.
The diaphragm can be a common film or a functional film, such as a hot mirror film, a color printing film, a luminous film, a color changing film, an infrared ray blocking film, an ultraviolet ray blocking film, a water vapor blocking film and the like.
The diaphragm has one to several layers, preferably one to three layers, and a spacing frame is arranged between two adjacent layers of diaphragms; and (3) independently performing heat tightening on each layer of diaphragm, namely after the first layer of diaphragm is installed and heat tightened, performing installation and heat tightening on the second layer of diaphragm, and so on.
The thickness of the separator is 0.005 to 1mm, preferably 0.01 to 0.15 mm.
The thickness of the cavity is 1-30mm, preferably 6-15 mm.
The thickness of the cavity is equal or unequal, preferably unequal, for example, from the environment side, the thickness of the cavity is increased in sequence, and the thickness of each cavity can be taken according to an equal difference or equal ratio array, so that the breathing phenomenon of the hollow glass can be more effectively improved, and the heat insulation and sound insulation performance is improved.
The adhesive used for bonding the glass and the spacing frame and the diaphragm at least comprises a quick-drying adhesive, the curing time of the quick-drying adhesive is 1-300 seconds, preferably 10-200 seconds, the requirement of a continuous production line can be met, the quick-drying adhesive can be cured to form bonding force in a production beat, and the movement of the spacing frame and the wrinkle of the diaphragm caused by the contraction force of the diaphragm in the hot stretching process are prevented; the maximum use temperature of the quick-drying glue is higher than the heat tightening temperature, and the high-temperature-resistant glue is preferably selected; the quick-drying adhesive can be selected from hot melt adhesive, UV adhesive, pressure-sensitive adhesive, AB adhesive, acrylate instant adhesive, thermosetting phenolic resin adhesive or epoxy resin adhesive and the like, and preferably high-temperature-resistant hot melt adhesive, UV adhesive and the like are selected; the adhesive can also comprise a sealant, preferably a sealant with good air tightness, such as butyl rubber, hot melt adhesive, pressure-sensitive adhesive and the like; the adhesive preferably comprises a quick-drying glue and a sealant, both glues.
The welding between the spacing frame and the diaphragm is preferably ultrasonic welding or welding by a heat sealing machine.
The clamping between the spacing frames and the diaphragm is mechanical connection and fixation, preferably, the clamping connection or mortise and tenon structural connection is adopted, namely, the two spacing frames and the diaphragm clamped between the two spacing frames are mutually connected and fixed together by utilizing the embedding between the convex-concave structures on the spacing frames.
The connection between the spacing frame and the diaphragm can adopt two modes of bonding, welding or clamping, namely a composite connection and fixation mode.
The cavity can be filled with gas to replace air, such as inert gas argon or greenhouse gas carbon dioxide, and the like, so as to improve the heat preservation, heat insulation performance and oxidation resistance, prevent film oxidation, and the like; the inflation can be carried out before or after the thermal stretching, and the air can be pumped out of the cavity and then inflated before the thermal stretching, so as to improve the inflation efficiency and the replacement rate.
The hot stretching device can adopt a hot air gun, a hot stretching machine or a hot stretching furnace, and preferably adopts a continuous hot stretching machine or a hot stretching furnace.
The heating mode of the thermal bandage is preferably hot air heating or infrared heating, or a mixed heating mode of hot air heating and infrared heating.
The hot stretching temperature and time are determined according to the material and thickness of the used diaphragm, and the hot stretching temperature is 60-200 ℃, generally 70-110 ℃; the hot-holding time is from a few seconds to a few minutes, typically from a few seconds to a ten and a few seconds.
The invention provides double-glass film hollow glass manufactured by using single-glass film hollow glass, which comprises the single-glass film hollow glass, a spacing frame, glass, a sealing adhesive layer and a structural adhesive layer, wherein a diaphragm layer of the single-glass film hollow glass faces inwards, the spacing frame and the glass are sequentially bonded by using the sealing adhesive, and the structural adhesive layer is filled in a space formed by the two pieces of glass and the outer side of the spacing frame; the sealant is preferably butyl rubber, and the structural adhesive is preferably silicone adhesive or polysulfide adhesive.
The invention also provides double-glass-film hollow glass manufactured by the single-glass-film hollow glass, which comprises the single-glass-film hollow glass and a spacing frame, wherein the single-glass-film hollow glass comprises two pieces of single-glass-film hollow glass, the length and the width of the single-glass-film hollow glass are the same, the diaphragms face inwards and are oppositely arranged, the spacing frame is positioned between the two pieces of single-glass-film hollow glass, the two pieces of single-glass-film hollow glass and the spacing frame are bonded and fixed together by using a sealing adhesive layer, and a space formed by the two pieces of glass and the outer side of the spacing frame is filled.
The invention also provides a continuous production line for producing single-glass film hollow glass and double-glass film hollow glass, which comprises a glass original sheet storage system, a cutting machine, an edge grinding machine, a cleaning machine, a toughening furnace, a spacing frame placing machine, a film laminating machine, a hot stretching furnace, a spacing frame placing machine, a film combining machine, a pressing machine, a gluing line, a film discharging machine and a product storage system, and is formed by adding the film laminating machine, the hot stretching furnace and other equipment on the basis of the existing hollow glass continuous production line through technological transformation, wherein the equipment adopts automatic connection lines, can carry out mechanical and continuous production, and the production beat is 2-6 minutes for each piece of glass; the whole production line toughening furnace is horizontally installed before the whole production line toughening furnace, and the whole production line toughening furnace is horizontally or vertically installed after the whole production line toughening furnace; the equipment can be increased or decreased according to the configuration of the product, if common glass can save a toughening furnace, and the single-glass film hollow glass can be connected with a sheet discharging machine after coming out of the hot stretching furnace; if the number of the film cavities needs to be increased, the number of the spacing frame placing machines, the film laminating machines and the heat stretching furnaces needs to be correspondingly increased; the production line also needs to be matched with some conventional equipment used for producing the existing hollow glass, such as a spacer bending machine or a welding machine, a butyl rubber gluing machine, a molecular sieve filling machine and the like.
The technical solution of the present invention is further described below with reference to the accompanying drawings.
Example 1: as shown in fig. 3, the single-glass film hollow glass provided by the invention comprises glass 1, a spacing frame 2, a diaphragm layer 3, a sealant layer 4 and a quick-drying adhesive layer 5, wherein the glass 1 is cut according to the size of the manufactured single-glass film hollow glass, and is subjected to edge grinding and cleaning, and if the tempered glass needs to be subjected to tempering treatment, the tempered glass enters a tempering furnace; according to the size of the glass 1, selecting a composite warm edge strip, manufacturing a spacing frame 2 with a corresponding size by using a bending machine, and filling a molecular sieve into the warm edge strip; coating sealant such as butyl rubber on the peripheral bonding surface of the glass 1 or the bonding surface of the spacing frame 2 by using a glue spreader to bond the glass 1 and the spacing frame 2 together, and pressurizing to ensure that the bonding is firm and smooth; a glue coating machine or a glue gun is utilized to coat glue on a quick-drying glue layer 5 such as a hot melt glue at an angle of 45 degrees at the contact position of the inner ring of the spacing frame 2 and the glass 1, and the spacing frame 2 and the glass 1 are firmly bonded together; the diaphragm layer 3 is made of a PVC thermal shrinkage film, uv glue is uniformly coated on the other bonding surface of the spacing frame 2 through a glue spreader, then the diaphragm layer 3 is covered on the film and is in close contact with the film, the uv glue is cured after the film is irradiated by corresponding ultraviolet lamps for several seconds to dozens of seconds, and the diaphragm layer 3 is bonded and fixed on the spacing frame 2, so that the diaphragm layer 3, the glass 1 and the spacing frame 2 form a closed cavity together; or fixing the diaphragm layer 3 on the spacing frame 2, then adhering and fixing the spacing frame 2 on the glass 1, and punching a quick-drying glue layer 5 at the contact position of the outer ring of the spacing frame 2 and the glass 1; at last, the single-glass film hollow glass is sent into a hot stretching device such as a hot stretching furnace, the diaphragm layer 3 is directly heated by hot air or heat radiation to be thermally shrunk and stretched, and the heating time is very short and only lasts for several seconds to dozens of seconds, so that the temperature of the glass 1 is not obviously increased, the glass does not need to be cooled, can directly go out of the hot stretching furnace and cannot crack, and the single-glass film hollow glass is rapidly obtained. The manufactured single-glass film hollow glass can be directly used for manufacturing a cover plate of a flat plate type solar water heater or a door body of a freezer or a wine cabinet, and can also be used for manufacturing double-glass film hollow glass.
Example 2: as shown in fig. 4, the double-glass-film hollow glass with two glass layers and two cavities provided by the invention comprises glass 1, a spacing frame 2, a diaphragm layer 3, a sealant layer 4, a quick-drying sealant layer 5 and a structural sealant layer 6, wherein firstly, the glass 1, the spacing frame 2, the diaphragm layer 3, the sealant layer 4 and the quick-drying sealant layer 5 are manufactured into a single-glass-film hollow glass according to the embodiment 1, the diaphragm layer 3 can be made of pet heat-shrinkable film, the spacing frame 2 can be made of plastic warm edge strips, and the diaphragm layer 3 can be directly welded with the spacing frame 2 through a heat sealing machine; secondly, the interval frame 2 with the same size is bonded and fixed on another piece of glass 1 with the same size, a sealing adhesive layer 4 is coated on the other bonding surface of the interval frame 2 again and is combined with the prepared single-glass film hollow glass through laminating and plate pressing, finally, a structural adhesive layer 6 is coated in a gap formed between the two pieces of glass 1 and the outer sides of the two interval frames 2, the structural adhesive layer 6 is silicone adhesive or polysulfide adhesive used by the existing hollow glass, and the manufactured double-glass film hollow glass with two glass cavities is obtained after the structural adhesive layer 6 is cured.
Example 3: as shown in fig. 5, the double-glass-film hollow glass with two glass chambers and three chambers provided by the invention comprises glass 1, a spacing frame 2, a diaphragm layer 3, a sealant layer 4, a quick-drying sealant layer 5 and a structural sealant layer 6, wherein firstly, the glass 1, the spacing frame 2, the diaphragm layer 3, the sealant layer 4 and the quick-drying sealant layer 5 are respectively manufactured into two pieces of single-glass-film hollow glass with the same size according to the embodiment 1, then the two pieces of single-glass-film hollow glass are bonded and fixed together by using the spacing frame 2 with the same size, finally, the structural sealant layer 6 is fully coated in a gap formed between the two pieces of glass 1 and the outer sides of the three spacing frames 2, and the manufactured double-glass-film hollow glass with two glass chambers and three chambers is obtained after the.
The technical effects of the present invention will be described in detail with reference to the processes.
Compared with the prior art (CN106517827A, production process of hollow glass with two-glass three-cavity hot mirror film-application number 201610941221.8) (CN102701607A, preparation method of hollow glass with energy-saving hot mirror film-201210147825.7)
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A single glass film insulating glass is characterized by being provided with:
a spacing frame;
the spacing frame is adhered and fixed on the periphery of the glass through an adhesive, and the adhesive at least contains a quick-drying adhesive; the diaphragm layer is fixed on the spacing frame in one or two modes of bonding, welding or clamping, the glass, the spacing frame and the diaphragm enclose a cavity, and the diaphragm is instantly flattened and tightened by utilizing hot tightening equipment in a mode of directly heating the diaphragm.
2. The single glass film hollow glass according to claim 1, wherein the glass is common glass, ultra-white glass, tempered glass, semi-tempered glass, Low-e glass, colored glaze glass, laminated glass or photovoltaic glass;
the glass is plane glass or cambered surface glass;
the spacing frame is a closed frame made of warm edge spacing strips, aluminum spacing strips or stainless steel spacing strips in a bending, welding or splicing mode;
the diaphragm layer is a plastic film or a composite film;
the diaphragm layer has one or more layers, and a spacing frame is arranged between two adjacent layers of diaphragms; each layer of diaphragm is independently subjected to heat stretching, and after the first layer of diaphragm is installed and subjected to heat stretching, the second layer of diaphragm is installed and subjected to heat stretching;
the thickness of the membrane layer is 0.005-1 mm;
the thickness of the cavity is 1-30 mm;
the curing time of the adhesive used for bonding the glass and the spacing frame and between the spacing frame and the diaphragm layer is 1-300 seconds; the quick-drying adhesive is a hot melt adhesive, a UV adhesive, a pressure-sensitive adhesive, an AB adhesive, an acrylate instant adhesive, a thermosetting phenolic resin adhesive or an epoxy resin adhesive; the adhesive may further comprise a sealant;
the welding between the spacing frame and the diaphragm layer is preferably ultrasonic welding or welding by a heat sealing machine;
the clamping between the spacing frames and the diaphragm layer is mechanical connection and fixation, and the two spacing frames and the diaphragm clamped between the two spacing frames are mutually connected and fixed together by utilizing the embedding between the convex-concave structures on the spacing frames;
filling inert gas argon or greenhouse gas carbon dioxide into the cavity;
the hot stretching equipment adopts a hot air gun, a hot stretching machine or a hot stretching furnace;
the hot-stretch heating mode adopts hot air heating or infrared heating, or adopts a mixed heating mode of hot air heating and infrared heating;
the temperature and time of the heat-seal are determined according to the material and thickness of the used diaphragm, the temperature of the heat-seal is 60-200 ℃, and the time of the heat-seal is several seconds to several minutes.
3. The single glass film hollow glass according to claim 2, wherein the spacing frame adopts a warm edge spacing bar, and the spacing bar contains a drying agent such as a molecular sieve;
the membrane layer is a pvc membrane, a pe membrane, a ps membrane, a pc membrane, a pp membrane, a pet membrane or a pof membrane;
the membrane layer has one to three layers; the thickness is 0.01-0.15 mm;
the thickness of the cavity is 6-15 mm;
the adhesive used for bonding the glass and the spacing frame and the diaphragm at least comprises a quick-drying adhesive, and the curing time of the quick-drying adhesive is 10-200 seconds; selecting heat-resistant high-temperature hot melt adhesive and UV adhesive for the quick-drying adhesive; the adhesive comprises a quick-drying adhesive and a sealant, and the two adhesives are used together;
the clamping connection between the spacing frame and the diaphragm layer is a buckle type connection or a mortise and tenon structural type connection;
the hot stretching equipment adopts a continuous hot stretching machine or a hot stretching furnace;
the hot stretching temperature and time are determined according to the material and thickness of the used diaphragm, and the hot stretching temperature is 70-110 ℃; the hot stretching time is several seconds to several tens of seconds.
4. A method for manufacturing a single-glass-film hollow glass according to any one of claims 1 to 3, wherein the method for manufacturing a single-glass-film hollow glass comprises:
firstly, cutting glass according to the size of the manufactured hollow glass, edging, cleaning and drying the glass, and carrying out tempering treatment if the glass needs to be tempered;
secondly, selecting spacing bars with materials and sizes to manufacture spacing frames with corresponding sizes;
thirdly, fixing the spacing frame: a circle of sealant is applied to the bonding surface of the spacing frame or the glass to bond the spacing frame on the glass; quick-drying glue is applied to the contact position of the inner ring or the outer ring of the spacing frame and the glass, so that the spacing frame is firmly fixed on the glass;
fourthly, connecting and fixing the selected diaphragm on the spacing frame in a mode of cutting after or after first assembling, welding or clamping by one or two methods of bonding, welding or clamping, wherein the size of the diaphragm is not smaller than that of the spacing frame, and the periphery of the diaphragm exceeds the spacing frame by 2-3 mm;
fifthly, feeding the glass with the spacer frame and the diaphragm into a hot stretching furnace or a hot stretching machine, directly heating the diaphragm by one or two modes of hot air and infrared rays to enable the diaphragm to shrink, flatten and stretch instantly, and discharging to obtain the required single-glass film hollow glass;
the manufacturing method of the single-glass membrane hollow glass repeats the second step to the fifth step to obtain the single-glass double-cavity membrane hollow glass and the single-glass multi-cavity membrane hollow glass; the diaphragm between two adjacent cavities is provided with vent holes, the vent holes are arranged at the corners of the diaphragm, and the diameter of the vent holes is 2-5 mm.
5. A cover plate, a refrigerator door body and a wine cabinet door body of a flat-plate solar water heater made of the single-glass-film hollow glass of any one of claims 1 to 3.
6. The double-cavity double-glass-film hollow glass manufactured by the single-glass-film hollow glass of any one of claims 1 to 3, which is characterized by comprising the single-glass-film hollow glass, a spacing frame, glass, a sealant layer and a structural sealant layer;
the diaphragm layer of the single-glass film hollow glass faces inwards, the spacer frame and the glass are sequentially bonded by using a sealant, and a structural adhesive layer is filled in a space formed by the two pieces of glass and the outer side of the spacer frame; the sealant is butyl rubber, and the structural adhesive is silicone adhesive or polysulfide adhesive.
7. The manufacturing method of the two-cavity dual-glass film hollow glass as claimed in claim 6, wherein the manufacturing method of the two-cavity dual-glass film hollow glass comprises the following steps:
firstly, cutting glass according to the size of the selected single-glass film hollow glass, edging, cleaning and drying the glass, and toughening the glass if the glass needs to be toughened;
secondly, selecting spacing bars with materials and sizes to manufacture spacing frames with the same size as the spacing frames of the single-glass film hollow glass;
step three, uniformly coating the sealant on the two bonding surfaces of the spacing frame by using a glue spreader;
fourthly, adhering and fixing the glued spacing frame on glass or single-glass film hollow glass;
fifthly, combining the glass with the single glass film hollow glass, and performing rolling or plate pressing;
and sixthly, filling structural adhesive in a space formed by the two pieces of glass and the outer side of the spacing frame, and curing the structural adhesive to obtain the double-glass film hollow glass.
8. The three-cavity double-glass-film hollow glass manufactured by the single-glass-film hollow glass of any one of claims 1 to 3 is characterized by comprising two single-glass-film hollow glasses and a spacing frame, wherein the two single-glass-film hollow glasses have the same length and width, the diaphragms face inwards and are oppositely arranged, the spacing frame is positioned between the two single-glass-film hollow glasses, the two single-glass-film hollow glasses and the spacing frame are fixedly bonded together by using a sealing adhesive layer, and a space formed by the two pieces of glass and the outer side of the spacing frame is filled with structural adhesive.
9. The manufacturing method of the three-cavity double-glass-film hollow glass according to claim 8, wherein the manufacturing method of the three-cavity double-glass-film hollow glass comprises the following steps:
firstly, selecting a spacer bar with proper material and size to manufacture a spacer frame with the same size as that of the single-glass film hollow glass;
secondly, uniformly coating the two bonding surfaces of the spacing frame with sealant by using a glue spreader;
thirdly, adhering and fixing the glued spacing frame on one piece of single-glass film hollow glass;
fourthly, combining the two pieces of single glass film hollow glass together, and performing rolling or plate pressing;
and fifthly, filling structural adhesive in a space formed by the two pieces of glass and the outer side of the spacing frame, and curing the structural adhesive to obtain the double-glass film hollow glass.
10. A continuous production device is characterized in that the continuous production device produces the hollow glass of claims 1, 6 and 8, and comprises a glass original sheet storage system, a cutting machine, an edge grinding machine, a cleaning machine, a toughening furnace, a spacing frame placing machine, a film laminating machine, a hot stretching furnace, a spacing frame placing machine, a film combining machine, a pressing machine, a gluing line, a sheet discharging machine and a product storage system; the single glass film hollow glass is connected with a sheet discharging machine after coming out of the hot stretching furnace; increasing the number of the film cavities requires increasing the number of the spacing frame placing machines, the film laminating machines and the heat stretching furnaces; the production of hollow glass also needs to add a spacer bending machine or a welding machine, a butyl rubber spreading machine and a molecular sieve filling machine.
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| CN112412275A (en) * | 2020-11-20 | 2021-02-26 | 温州前瞻玻璃科技有限公司 | Point-bonded and sealed hollow glass and manufacturing method thereof |
| CN112431519A (en) * | 2020-11-20 | 2021-03-02 | 温州前瞻玻璃科技有限公司 | Negative pressure hollow glass, manufacturing method and application thereof |
| CN112431520A (en) * | 2020-11-20 | 2021-03-02 | 温州前瞻玻璃科技有限公司 | Fast-assembling hollow glass, manufacturing method and application |
| CN112431521A (en) * | 2020-11-20 | 2021-03-02 | 温州前瞻玻璃科技有限公司 | Fireproof hollow glass, manufacturing method and application |
| CN116354622A (en) * | 2021-12-27 | 2023-06-30 | 山西百澳智能玻璃股份有限公司 | Process for producing high-strength compression-resistant toughened hollow glass |
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