CN113087416A - Preparation process of digital printing hollow laminated glass - Google Patents
Preparation process of digital printing hollow laminated glass Download PDFInfo
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- CN113087416A CN113087416A CN202110408687.2A CN202110408687A CN113087416A CN 113087416 A CN113087416 A CN 113087416A CN 202110408687 A CN202110408687 A CN 202110408687A CN 113087416 A CN113087416 A CN 113087416A
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- colored drawing
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- 238000007639 printing Methods 0.000 title claims abstract description 78
- 239000005340 laminated glass Substances 0.000 title claims abstract description 36
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000011521 glass Substances 0.000 claims abstract description 202
- 239000000758 substrate Substances 0.000 claims abstract description 22
- 238000005520 cutting process Methods 0.000 claims abstract description 17
- 239000011229 interlayer Substances 0.000 claims abstract description 8
- 238000007688 edging Methods 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 238000005496 tempering Methods 0.000 claims abstract description 3
- 239000005341 toughened glass Substances 0.000 claims description 46
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 45
- 229910052782 aluminium Inorganic materials 0.000 claims description 45
- 238000001816 cooling Methods 0.000 claims description 41
- 238000010438 heat treatment Methods 0.000 claims description 27
- 239000002808 molecular sieve Substances 0.000 claims description 26
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 26
- 229920005549 butyl rubber Polymers 0.000 claims description 25
- 238000004140 cleaning Methods 0.000 claims description 25
- 238000012360 testing method Methods 0.000 claims description 23
- 238000001035 drying Methods 0.000 claims description 21
- 229920001971 elastomer Polymers 0.000 claims description 20
- 238000010791 quenching Methods 0.000 claims description 17
- 230000000171 quenching effect Effects 0.000 claims description 17
- 238000011049 filling Methods 0.000 claims description 16
- 238000010030 laminating Methods 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 238000000227 grinding Methods 0.000 claims description 10
- 239000000498 cooling water Substances 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 8
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims description 8
- 238000010079 rubber tapping Methods 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 239000010410 layer Substances 0.000 claims description 6
- 230000003044 adaptive effect Effects 0.000 claims description 5
- 238000004026 adhesive bonding Methods 0.000 claims description 5
- 238000010009 beating Methods 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 238000011068 loading method Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000009924 canning Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 241001391944 Commicarpus scandens Species 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 230000003749 cleanliness Effects 0.000 description 3
- 238000012790 confirmation Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000005329 float glass Substances 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 239000008213 purified water Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- 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
- C03C27/08—Joining glass to glass by processes other than fusing with the aid of intervening metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10807—Making laminated safety glass or glazing; Apparatus therefor
- B32B17/10816—Making laminated safety glass or glazing; Apparatus therefor by pressing
- B32B17/10871—Making laminated safety glass or glazing; Apparatus therefor by pressing in combination with particular heat treatment
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B27/00—Tempering or quenching glass products
- C03B27/04—Tempering or quenching glass products using gas
-
- 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
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/001—General methods for coating; Devices therefor
- C03C17/002—General methods for coating; Devices therefor for flat glass, e.g. float glass
-
- 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
- C03C2217/00—Coatings on glass
- C03C2217/70—Properties of coatings
- C03C2217/72—Decorative coatings
-
- 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
- C03C2218/00—Methods for coating glass
- C03C2218/10—Deposition methods
- C03C2218/11—Deposition methods from solutions or suspensions
- C03C2218/119—Deposition methods from solutions or suspensions by printing
-
- 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
- C03C2218/00—Methods for coating glass
- C03C2218/30—Aspects of methods for coating glass not covered above
- C03C2218/31—Pre-treatment
-
- 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
- C03C2218/00—Methods for coating glass
- C03C2218/30—Aspects of methods for coating glass not covered above
- C03C2218/32—After-treatment
Abstract
The invention relates to the technical field of glass processing and manufacturing, in particular to a preparation process of digital printing hollow laminated glass, which comprises the following preparation steps: s1 cutting: cutting the glass big plate original sheet to obtain a glass substrate; s2 edging: edging the cut glass substrate; s3 colored drawing: digitally printing patterns on the surface of the glass by using colored drawing equipment; and S4 tempering, S5 interlayer, S6 pressurization, S7 hollowing and the like, so that the preparation of the digital printing hollow laminated glass is realized. The process has the advantages that the printed patterns are added on the colored drawing equipment, and the printing parameters are set, so that the patterns can be directly and digitally printed on the surface of the glass, the operation is simple and convenient, the printed patterns can be conveniently changed according to the requirements of customers, and the printable patterns can be freely changed; the pattern printed on the surface of the glass in a digital printing mode is not easy to fade and is durable and durable to see. The glass is made into a hollow sandwich type, so that the anti-impact capacity of the glass is improved, the glass is not easy to break, the safety is high, and the service life is long.
Description
Technical Field
The invention relates to the technical field of glass manufacturing, in particular to a preparation process of digital printing hollow laminated glass.
Background
Glass curtain wall (reflection glass curtainwall) refers to a building external enclosure structure or a decoration structure which has a certain displacement capacity relative to a main structure and does not bear the action of the main structure by a support structure system. The wall body has two types of single-layer glass and double-layer glass. The glass curtain wall is a beautiful and novel building wall decoration method and is a remarkable characteristic of modern high-rise building times. With the improvement of science and technology and the aesthetic level of people, the glass curtain wall becomes an indispensable bright landscape in modern cities.
The surface of glass used as curtain walls is usually printed with various patterns, and in the prior art, the patterns are usually printed on the glass by means of colored glaze or UA spraying. The glass printed with patterns by the colored glaze process is called colored glaze glass, and specifically, the colored glaze glass is a wear-resistant, acid-alkali-resistant decorative glass product obtained by printing inorganic glaze on the surface of glass, and then carrying out drying, toughening or thermalization processing treatment to permanently sinter the glaze on the surface of the glass.
However, the patterns printed on the glass surface by the colored glaze or UA spraying process are easy to lose color, and the patterns are few in style, so that the change of the printed patterns is particularly troublesome, and the requirements of people on increasing aesthetic quality are difficult to adapt. In addition, the existing colored glaze glass is not firm enough and is easy to crack when being impacted by foreign objects.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides a preparation process of digital printing hollow laminated glass.
In order to achieve the purpose, the invention provides the following technical scheme: a preparation process of digital printing hollow laminated glass comprises the following steps:
s1, cutting: cutting the glass large plate raw sheet to obtain a glass substrate;
s2, edging: placing the glass substrate prepared in the step S1 on an edge grinding machine for edge grinding treatment;
s3, colored drawing:
s3.1, cleaning: selecting and cleaning one of the glass substrates edge-polished in the step S2;
s3.2, chip loading inspection: placing the cleaned glass substrate on a printing table of a colored drawing device of a dust-free colored drawing chamber and positioning the glass substrate to ensure that the printing surface of the glass substrate is clean;
s3.3, colored drawing and printing: adding printing patterns on colored drawing equipment, setting printing parameters, performing printing ink test printing, and wiping the patterns clean by using dust-free cloth after the patterns are confirmed to be correct; then formal printing is carried out through colored drawing equipment;
s3.4, drying: after the colored drawing printing is finished, moving the glass to a drying section rotating table, and drying to obtain colored drawing glass;
s4, toughening: respectively placing the glass substrate edge-polished in the step S2 and the colored drawing glass dried in the step S3 into a tempering furnace for heating and wind pressure cooling treatment, wherein the wind pressure cooling treatment comprises rapid cooling wind pressure cooling and general wind pressure cooling, and common tempered glass and colored drawing tempered glass are respectively prepared;
s5, interlayer:
s5.1, cleaning the common toughened glass prepared in the step S4 by a cleaning machine;
s5.2, conveying the cleaned common toughened glass to be laminated into a laminating chamber, controlling the temperature in the laminating chamber to be 25 +/-3 ℃ and controlling the humidity to be 30-40%;
s5.3, cutting the film according to the size of the common toughened glass to be laminated, laying the film on the surface of the common toughened glass, and placing the other piece of the common toughened glass matched with the film on the film to prepare a toughened glass laminated sheet;
s5.4, feeding the tempered glass sheet into a roller press for prepressing, wherein the temperature of a first area ranges from 100 ℃ to 120 ℃, the temperature of a second area ranges from 180 ℃ to 200 ℃, the temperature of a third area ranges from 195 ℃ to 220 ℃, the transmission speed ranges from 0.5m/min to 1.5m/min, and the rolling height is smaller than 2mm to 5mm of the total thickness of the tempered glass sheet, so as to prepare tempered laminated glass;
s6, pressurizing:
s6.1, placing the toughened laminated glass prepared in the step S5 in an autoclave, and carrying out temperature and pressure raising in stages, wherein the pressure is set to be 5 +/-1 KG in the first stage, the heating temperature is set to be 60 +/-5 ℃, a pressure valve is opened when the temperature rises to be 60 +/-5 ℃, the temperature and the pressure are kept for 10min when the temperature and the pressure in the autoclave reach set values, the pressure is set to be 10 +/-1 KG in the second stage, the heating temperature is set to be 100-110 ℃, the temperature and the pressure are kept for 10 +/-5 min when the temperature and the pressure reach set values, the pressure is set to be 12KG in the third stage, the heating temperature is set to be 130-140 ℃, and the temperature and the pressure are kept for 40 +/-10 min when;
s6.2, setting the cooling temperature to 35 +/-10 ℃, opening a cooling water valve, and opening an exhaust valve to reduce the pressure until the pressure is reduced to 0 when the temperature is reduced to 35 +/-5 ℃;
s6.3, removing the glass in the high-pressure kettle and repairing glue;
s7, hollowing:
s7.1, selecting a corresponding aluminum strip to bend on a bending machine, and connecting two ends of the aluminum strip by using a plug-in unit at the end head to obtain an aluminum frame which is adaptive to the size of glass to be produced;
s7.2, filling the molecular sieve into the aluminum strip by using a molecular sieve filling machine, and sealing the small holes in the aluminum strip after filling;
s7.3, placing the aluminum frame filled with the molecular sieve on a butyl rubber machine and beating butyl rubber;
s7.4, cleaning and drying the colored drawing toughened glass prepared in the step S4 and the toughened sandwich glass pressurized in the step S6;
s7.5, placing the dried toughened laminated glass on one side of an aluminum frame coated with butyl rubber, placing the dried colored drawing toughened glass on the other side of the aluminum frame, laminating two glass plates into a laminated hollow glass primary finished product, and forming a hollow layer between the aluminum frame and the glass on the two sides;
s7.6, allowing the hollow glass subjected to plate pressing to flow into an automatic gluing machine for automatic glue injection;
and S7.7, using an automatic sucker hoisting machine to unload the glass onto a prepared glass iron frame, and using a soft roller brush to treat the corner of the glass.
Preferably, the temperature of the dust-free colored drawing chamber is controlled to be 18-25 ℃, and the humidity is controlled to be 40-60%.
Preferably, the colored drawing device is Dip-Tech NEra-D460.
Preferably, the glass large plate original sheet in the step S1 is white glass, colored glass or LOW-E glass.
Preferably, the film in the step S5.3 is PVB (polyvinyl butyral) film, and a 2-5 mm film is reserved at the edge of the laminated glass.
Preferably, the thickness of the non-painted glass and the painted glass in the step S4 is 3mm, the heating time is 110 ± 30S, the quenching cooling time is 10 ± 5S, the quenching air pressure is 16 ± 0.05kpa, the cooling time is generally 30 ± 20S, the air pressure is generally 3 ± 0.05kpa, the distance of an upper air grid is 10 ± 1mm, the distance of a lower air grid is 10 ± 1mm, the upper temperature is 720 ± 10 ℃, the lower temperature is 725 ± 10 ℃, and the tapping temperature is 695 ± 5 ℃.
Preferably, in step S4, the thickness of the un-painted glass and the painted glass is 12mm, the heating time is 950 ± 50S, the quenching cooling time is 350 ± 10S, the quenching air pressure is 0.3 ± 0.03kpa, the cooling time is 380 ± 10S, the air pressure is 1 ± 0.05kpa, the upper air grid distance is 68 ± 1mm, the lower air grid distance is 60 ± 1mm, the upper temperature is 665 ± 10 ℃, the lower temperature is 670 ± 10 ℃, and the tapping temperature is 670 ± 3 ℃.
Preferably, the molecular sieve in the step S7.3 passes a temperature rise test, the temperature difference of the temperature rise test is more than or equal to 30 ℃, and the canning amount of the molecular sieve is 70-85%.
Preferably, the width of the butyl rubber in the step S7.3 is 3-5 mm, the rubber cylinder temperature of the butyl rubber machine is 138 +/-2 ℃, the rubber nozzle temperature is 140 +/-2 ℃, and the rubber nozzle temperature is 2-3 ℃ higher than the rubber cylinder temperature.
The invention has the beneficial effects that: the printing patterns are added on the colored drawing equipment, the printing parameters are set, the set patterns can be directly and digitally printed on the surface of the glass, the operation is simple and convenient, the printing patterns can be directly added on the colored drawing equipment, the printing patterns can be conveniently changed according to the requirements of customers, the printable patterns can be changed at will, and the patterns are multiple; the pattern printed on the surface of the glass in a digital printing mode is not easy to fade and is durable and durable to see. In addition, the glass is made into a hollow sandwich type, so that the anti-impact capacity of the glass is improved, the glass is not easy to break, the safety is high, and the service life is long.
The invention can effectively reduce the damage rate of the toughened glass and improve the impact resistance and the compressive strength of the glass by controlling the temperature and the pressure of different wind pressure types in the toughening process, and meanwhile, the three-stage pressurizing treatment is adopted to ensure that no bubbles remain between the glass after the interlayer process is finished, thereby improving the safety quality of the interlayer glass. Meanwhile, the hollow process adopts a molecular sieve which passes a temperature rise test, and the glue injection process can meet the requirements of a butterfly test, so that the moisture-proof, diaphragmatic and heat-insulating effects of the hollow glass are ensured.
Detailed Description
The present invention will be further described with reference to the following examples.
Example 1
A preparation process of digital printing hollow laminated glass comprises the following steps:
s1, cutting: cutting a glass big plate raw sheet to obtain a glass substrate, wherein the glass big plate raw sheet is float glass;
s2, edging: placing the glass substrate obtained in the last step on an edge grinding machine for edge grinding;
s3, colored drawing:
s3.1, cleaning: selecting one piece of glass which is edged in the previous step, cleaning the selected piece of glass with purified water, and confirming that the surface of the glass is free from dust and dirt;
s3.2, chip loading inspection: sending the cleaned glass to a printing table of a colored drawing device of a dust-free colored drawing room, positioning the glass, checking whether the printing surface of the glass is clean or not again, and if the printing surface of the glass is clean, wiping the glass to ensure the cleanliness of the printing surface, wherein the temperature of the dust-free colored drawing room is controlled at 18 ℃ and the humidity is controlled at 60%; the color drawing equipment is Dip-Tech NEra-D460.
S3.3, colored drawing and printing: adding printing patterns on colored drawing equipment, setting printing parameters, performing printing ink test printing after the computer displays the patterns to be prepared, performing printing ink test printing, checking that the test effect must meet the equipment requirement, and wiping the patterns clean by using dust-free cloth after confirmation; then formal printing is carried out through colored drawing equipment;
s3.4, drying: after the colored drawing printing is finished, moving the glass to a drying section rotating table, and drying to obtain colored drawing glass;
s4, toughening: respectively hoisting the glass edge-polished in the step S2 and the colored drawing glass dried in the step S3 to the edge of an upper sheet rack of a toughening furnace, wherein the thickness of the glass without colored drawing and the thickness of the colored drawing glass after edge polishing are both 12mm, then placing the glass on an upper sheet end roller of the toughening furnace, and allowing the glass to enter the toughening furnace for heating and wind pressure cooling treatment, wherein the wind pressure cooling is firstly carried out by quenching and wind pressure cooling, and then is carried out by ordinary wind pressure cooling to respectively prepare ordinary toughened glass and the colored drawing toughened glass; wherein the heating time is 900s, the quenching cooling time is 340s, the quenching air pressure is 0.27kpa, the common cooling time is 370s, the common air pressure is 0.95kpa, the upper air grid distance is 68 +/-1 mm, the lower air grid distance is 60 +/-1 mm, the upper temperature is 655 ℃, the lower temperature is 660 ℃, and the tapping temperature is 667 ℃.
S5, interlayer:
s5.1, cleaning the common toughened glass in the previous step by a cleaning machine;
s5.2, conveying the cleaned glass to be laminated into a laminating chamber, controlling the temperature in the laminating chamber at 22 ℃ and controlling the humidity at 30%;
and S5.3, cutting the PVB film according to the size of the glass to be laminated, paving the PVB film on the glass, putting the other piece of matched glass on the film to prepare a tempered glass laminated sheet, and reserving a 2mm film at the edge of the laminated tempered glass.
S5.4, feeding the well-combined glass into a roller press for prepressing, wherein the temperature range of a first area is 100 ℃, the temperature range of a second area is 180 ℃, the temperature range of a third area is 195 ℃, the transmission speed is 0.5m/min, and the rolling height is less than 2mm of the total thickness of the combined glass, so as to obtain tempered laminated glass;
s6, pressurizing:
s6.1, pushing the toughened laminated glass prepared in the last step into a high-pressure kettle, setting parameters on a control cabinet of the high-pressure kettle, starting a fan, starting a special cooling water pump of the fan, setting a pressure and temperature curve, setting a pressure of 4KG in a first stage, setting a heating temperature of 55 ℃, automatically opening a pressure valve when the temperature rises to 55 ℃, keeping the temperature and the pressure in the kettle for 10min when the temperature and the pressure reach set values, setting a pressure of 9KG in a second stage, setting a heating temperature of 100 ℃, keeping the temperature and the pressure for 5min when the temperature and the pressure reach set values, setting a pressure of 12KG in a third stage, setting a heating temperature of 130 ℃, and keeping the temperature and the pressure for 30min when the temperature and the pressure reach set values;
s6.2, setting the cooling temperature to be 25 ℃, automatically or manually opening a cooling water valve, automatically or manually opening an exhaust valve to reduce the pressure when the temperature reaches 30 ℃, opening a kettle ring valve until the pressure is reduced to 0, relieving the pressure of the ring valve, opening a safety handle, and opening a kettle door after residual gas is exhausted;
s6.3, moving the glass in the kettle to the open space through a track, and repairing the glass;
s7, hollowing:
s7.1, selecting a corresponding aluminum strip to bend on a bending machine, and connecting two ends of the aluminum strip by using a plug-in unit at the end head to obtain an aluminum frame which is adaptive to the size of glass to be produced;
s7.2, filling the molecular sieve into the aluminum strip by using a molecular sieve filling machine, and sealing the small holes in the aluminum strip after filling;
s7.3, placing the aluminum frame filled with the molecular sieve on a butyl rubber machine, and beating butyl rubber, wherein the molecular sieve passes a temperature rise test, the temperature difference of the temperature rise test is 30 ℃, and the filling amount of the molecular sieve is 70%; the width of butyl rubber is 3mm, the temperature of a rubber cylinder of a butyl rubber machine is 138 ℃, the temperature of a rubber nozzle is 141 ℃, and the temperature of the rubber nozzle is 3 ℃ higher than that of the rubber cylinder;
s7.4, cleaning and drying the colored drawing toughened glass prepared in the step S4 and the toughened sandwich glass pressurized in the step S6;
s7.5, placing the dried toughened laminated glass on one side of an aluminum frame coated with butyl rubber, placing the dried colored drawing toughened glass on the other side of the aluminum frame, laminating two glass plates into a primary laminated hollow glass finished product, and forming a hollow layer between the aluminum frame and the glass on the two sides;
s7.6, allowing the hollow glass subjected to plate pressing to flow into an automatic gluing machine for automatic glue injection;
and S7.7, using an automatic sucker hoisting machine to unload the glass onto a prepared glass iron frame, and using a soft roller brush to treat the corner of the glass.
Example 2
A preparation process of digital printing hollow laminated glass comprises the following steps:
s1, cutting: cutting a glass big plate raw sheet to obtain a glass substrate, wherein the glass big plate raw sheet is float glass;
s2, edging: placing the glass substrate obtained in the last step on an edge grinding machine for edge grinding;
s3, colored drawing:
s3.1, cleaning: selecting one piece of glass which is edged in the previous step, cleaning the selected piece of glass with purified water, and confirming that the surface of the glass is free from dust and dirt;
s3.2, chip loading inspection: controlling the temperature of the dust-free colored drawing room at 25 ℃ and the humidity at 40%, sending the cleaned glass to a printing table of colored drawing equipment of the dust-free colored drawing room, positioning the glass, checking whether the printing surface of the glass is clean or not again, and ensuring the cleanliness of the printing surface if the glass needs to be cleaned; wherein the colored drawing equipment is Dip-Tech NEra-D460;
s3.3, colored drawing and printing: adding printing patterns on colored drawing equipment, setting printing parameters, performing printing ink test printing after the computer displays the patterns to be prepared, performing printing ink test printing, checking that the test effect must meet the equipment requirement, and wiping the patterns clean by using dust-free cloth after confirmation; then formal printing is carried out through colored drawing equipment;
s3.4, drying: after the colored drawing printing is finished, moving the glass to a drying section rotating table, and drying to obtain colored drawing glass;
s4, toughening: respectively hoisting the glass edge-polished in the step S2 and the colored drawing glass dried in the step S3 to the edge of an upper sheet rack of a toughening furnace, wherein the thickness of the glass without colored drawing and the thickness of the colored drawing glass after edge polishing are both 3mm, then placing the glass on an upper sheet end roller of the toughening furnace, and allowing the glass to enter the toughening furnace for heating and wind pressure cooling treatment, wherein the wind pressure cooling is firstly carried out by quenching and wind pressure cooling, and then common wind pressure cooling is carried out, so as to respectively prepare common toughened glass and the colored drawing toughened glass; wherein the heating time is 110s, the quenching cooling time is 10s, the quenching air pressure is 16kpa, the common cooling time is 30s, the common air pressure is 3kpa, the distance of an upper air grid is 10mm, the distance of a lower air grid is 10mm, the upper temperature is 720 ℃, the lower temperature is 725 ℃, and the tapping temperature is 695 ℃;
s5, interlayer:
s5.1, cleaning the common toughened glass in the previous step by a cleaning machine;
s5.2, conveying the cleaned glass to be laminated into a laminating chamber, controlling the temperature in the laminating chamber to be 25 ℃ and controlling the humidity to be 35%;
and S5.3, cutting the PVB film according to the size of the glass to be laminated, paving the PVB film on the glass, putting the other piece of matched glass on the film to prepare a tempered glass laminated sheet, and reserving a 2mm film at the edge of the laminated tempered glass.
S5.4, feeding the well-combined glass into a roller press for prepressing, wherein the temperature range of a first area is 110 ℃, the temperature range of a second area is 190 ℃, the temperature range of a third area is 210 ℃, the transmission speed is 1.0m/min, and the rolling height is less than 3.5mm of the total thickness of the combined glass, so as to obtain tempered laminated glass;
s6, pressurizing:
s6.1, pushing the toughened laminated glass prepared in the last step into a high-pressure kettle, setting parameters on a control cabinet of the high-pressure kettle, starting a fan, starting a special cooling water pump of the fan, setting a pressure and temperature curve, setting a pressure of 5KG in a first stage, setting a heating temperature to be 60 ℃, automatically opening a pressure valve when the temperature rises to 60 ℃, keeping the temperature and the pressure in the kettle for 10min when the temperature and the pressure reach set values, setting a pressure of 10KG in a second stage, setting a heating temperature to be 105 ℃, keeping the temperature and the pressure for 10min when the temperature and the pressure reach set values, setting a pressure of 12KG in a third stage, setting a heating temperature to be 135 ℃, and keeping the temperature and the pressure for 40min when the temperature and the pressure reach set values;
s6.2, setting the cooling temperature to 35 ℃, automatically or manually opening a cooling water valve, automatically or manually opening an exhaust valve to reduce the pressure when the temperature reaches 35 ℃, opening a kettle ring valve until the pressure is reduced to 0, relieving the pressure of the ring valve, opening a safety handle, and opening a kettle door after residual gas is exhausted;
s6.3, moving the glass in the kettle to the open space through a track, and repairing the glass;
s7, hollowing:
s7.1, selecting a corresponding aluminum strip to bend on a bending machine, and connecting two ends of the aluminum strip by using a plug-in unit at the end head to obtain an aluminum frame which is adaptive to the size of glass to be produced;
s7.2, filling the molecular sieve into the aluminum strip by using a molecular sieve filling machine, and sealing the small holes in the aluminum strip after filling;
s7.3, placing the aluminum frame filled with the molecular sieve on a butyl rubber machine and beating butyl rubber; wherein the molecular sieve passes the temperature rise test, the temperature difference of the temperature rise test is 40 ℃, and the canning amount of the molecular sieve is 85 percent; the width of butyl rubber is 5mm, the temperature of a rubber cylinder of a butyl rubber machine is 136 ℃, the temperature of a rubber nozzle is 138 ℃, and the temperature of the rubber nozzle is 2 ℃ higher than that of the rubber cylinder;
s7.4, cleaning and drying the colored drawing toughened glass prepared in the step S4 and the toughened sandwich glass pressurized in the step S6;
s7.5, placing the dried toughened laminated glass on one side of an aluminum frame coated with butyl rubber, placing the dried colored drawing toughened glass on the other side of the aluminum frame, laminating two glass plates into a primary laminated hollow glass finished product, and forming a hollow layer between the aluminum frame and the glass on the two sides;
s7.6, allowing the hollow glass subjected to plate pressing to flow into an automatic gluing machine for automatic glue injection;
and S7.7, using an automatic sucker hoisting machine to unload the glass onto a prepared glass iron frame, and using a soft roller brush to treat the corner of the glass.
Example 3
A preparation process of digital printing hollow laminated glass comprises the following steps:
s1, cutting: cutting a glass big plate raw sheet to obtain a glass substrate, wherein the glass big plate raw sheet is float glass;
s2, edging: placing the glass substrate obtained in the last step on an edge grinding machine for edge grinding;
s3, colored drawing:
s3.1, cleaning: selecting one piece of glass which is edged in the previous step, cleaning the selected piece of glass with purified water, and confirming that the surface of the glass is free from dust and dirt;
s3.2, chip loading inspection: controlling the temperature of the dust-free colored drawing room at 22 ℃ and the humidity at 50%, sending the cleaned glass to a printing table of colored drawing equipment of the dust-free colored drawing room, positioning the glass, checking whether the printing surface of the glass is clean or not again, and ensuring the cleanliness of the printing surface if the glass needs to be cleaned; wherein the colored drawing equipment is Dip-Tech NEra-D460;
s3.3, colored drawing and printing: adding printing patterns on colored drawing equipment, setting printing parameters, performing printing ink test printing after the computer displays the patterns to be prepared, performing printing ink test printing, checking that the test effect must meet the equipment requirement, and wiping the patterns clean by using dust-free cloth after confirmation; then formal printing is carried out through colored drawing equipment;
s3.4, drying: after the colored drawing printing is finished, moving the glass to a drying section rotating table, and drying to obtain colored drawing glass;
s4, toughening: respectively hoisting the glass edge-polished in the step S2 and the colored drawing glass dried in the step S3 to the edge of an upper sheet rack of a toughening furnace, wherein the thickness of the glass without colored drawing and the thickness of the colored drawing glass after edge polishing are both 12mm, then placing the glass on an upper sheet end roller of the toughening furnace, and allowing the glass to enter the toughening furnace for heating and wind pressure cooling treatment, wherein the wind pressure cooling is firstly carried out by quenching and wind pressure cooling, and then is carried out by ordinary wind pressure cooling to respectively prepare ordinary toughened glass and the colored drawing toughened glass; wherein the heating time is 1000s, the quenching cooling time is 360s, the quenching air pressure is 0.33kpa, the cooling time is 390s, the air pressure is 1.05kpa, the distance of an upper air grid is 68 +/-1 mm, the distance of a lower air grid is 60 +/-1 mm, the upper temperature is 675 ℃, the lower temperature is 680 ℃, and the tapping temperature is 673 ℃;
s5, interlayer:
s5.1, cleaning the common toughened glass in the previous step by a cleaning machine;
and cutting the VB film according to the size of the glass to be laminated, paving the VB film on the glass, putting the other piece of matched glass on the film to prepare a tempered glass laminated sheet, and reserving a 2mm film at the edge of the laminated tempered glass.
S5.4, feeding the well-combined glass into a roller press for prepressing, wherein the temperature range of a first area is 120 ℃, the temperature range of a second area is 200 ℃, the temperature range of a third area is 220 ℃, the transmission speed is 1.5m/min, and the rolling height is less than 5mm of the total thickness of the combined glass, so as to obtain tempered laminated glass;
s6, pressurizing:
s6.1, pushing the toughened laminated glass prepared in the last step into a high-pressure kettle, setting parameters on a control cabinet of the high-pressure kettle, starting a fan, starting a special cooling water pump of the fan, setting a pressure and temperature curve, setting a pressure of 6KG in a first stage, setting a heating temperature to be 65 ℃, automatically opening a pressure valve when the temperature rises to 65 ℃, keeping the temperature and the pressure in the kettle for 10min when the temperature and the pressure reach set values, setting a pressure of 11KG in a second stage, setting a heating temperature to be 110 ℃, keeping the temperature and the pressure for 15min when the temperature and the pressure reach set values, setting a pressure of 12KG in a third stage, setting a heating temperature to be 140 ℃, and keeping the temperature and the pressure for 50min when the temperature and the pressure reach set values;
s6.2, setting the cooling temperature to be 45 ℃, automatically or manually opening a cooling water valve, automatically or manually opening an exhaust valve to reduce the pressure when the temperature reaches 40 ℃, opening a kettle ring valve until the pressure is reduced to 0, relieving the pressure of the ring valve, opening a safety handle, and opening a kettle door after residual gas is exhausted;
s6.3, moving the glass in the kettle to the open space through a track, and repairing the glass;
s7, hollowing:
s7.1, selecting a corresponding aluminum strip to bend on a bending machine, and connecting two ends of the aluminum strip by using a plug-in unit at the end head to obtain an aluminum frame which is adaptive to the size of glass to be produced;
s7.2, filling the molecular sieve into the aluminum strip by using a molecular sieve filling machine, and sealing the small holes in the aluminum strip after filling;
s7.3, placing the aluminum frame filled with the molecular sieve on a butyl rubber machine and beating butyl rubber; wherein the molecular sieve passes the temperature rise test, the temperature difference of the temperature rise test is 45 ℃, and the canning amount of the molecular sieve is 80 percent; the width of butyl rubber is 4mm, the temperature of a rubber cylinder of a butyl rubber machine is 140 ℃, the temperature of a rubber nozzle is 142 ℃, and the temperature of the rubber nozzle is 2 ℃ higher than that of the rubber cylinder;
s7.4, cleaning and drying the colored drawing toughened glass prepared in the step S4 and the toughened sandwich glass pressurized in the step S6;
s7.5, placing the dried toughened laminated glass on one side of an aluminum frame coated with butyl rubber, placing the dried colored drawing toughened glass on the other side of the aluminum frame, laminating two glass plates into a primary laminated hollow glass finished product, and forming a hollow layer between the aluminum frame and the glass on the two sides;
s7.6, allowing the hollow glass subjected to plate pressing to flow into an automatic gluing machine for automatic glue injection;
and S7.7, using an automatic sucker hoisting machine to unload the glass onto a prepared glass iron frame, and using a soft roller brush to treat the corner of the glass.
The above embodiments are only for illustrating the invention and are not to be construed as limiting the invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention, therefore, all equivalent technical solutions also belong to the scope of the invention, and the scope of the invention is defined by the claims.
Claims (9)
1. A preparation process of digital printing hollow laminated glass is characterized in that: the preparation process comprises the following steps:
s1, cutting: cutting the glass large plate raw sheet to obtain a glass substrate;
s2, edging: placing the glass substrate prepared in the step S1 on an edge grinding machine for edge grinding treatment;
s3, colored drawing:
s3.1, cleaning: selecting and cleaning one of the glass substrates edge-polished in the step S2;
s3.2, chip loading inspection: placing the cleaned glass substrate on a printing table of a colored drawing device of a dust-free colored drawing chamber and positioning the glass substrate to ensure that the printing surface of the glass substrate is clean;
s3.3, colored drawing and printing: adding printing patterns on colored drawing equipment, setting printing parameters, performing printing ink test printing, and wiping the patterns clean by using dust-free cloth after the patterns are confirmed to be correct; then formal printing is carried out through colored drawing equipment;
s3.4, drying: after the colored drawing printing is finished, moving the glass to a drying section rotating table, and drying to obtain colored drawing glass;
s4, toughening: respectively placing the glass substrate edge-polished in the step S2 and the colored drawing glass dried in the step S3 into a tempering furnace for heating and wind pressure cooling treatment, wherein the wind pressure cooling treatment comprises rapid cooling wind pressure cooling and general wind pressure cooling, and common tempered glass and colored drawing tempered glass are respectively prepared;
s5, interlayer:
s5.1, cleaning the common toughened glass prepared in the step S4 by a cleaning machine;
s5.2, conveying the cleaned common toughened glass to be laminated into a laminating chamber, controlling the temperature in the laminating chamber to be 25 +/-3 ℃ and controlling the humidity to be 30-40%;
s5.3, cutting the film according to the size of the common toughened glass to be laminated, laying the film on the surface of the common toughened glass, and placing the other piece of the common toughened glass matched with the film on the film to prepare a toughened glass laminated sheet;
s5.4, feeding the tempered glass sheet into a roller press for prepressing, wherein the temperature of a first area ranges from 100 ℃ to 120 ℃, the temperature of a second area ranges from 180 ℃ to 200 ℃, the temperature of a third area ranges from 195 ℃ to 220 ℃, the transmission speed ranges from 0.5m/min to 1.5m/min, and the rolling height is smaller than 2mm to 5mm of the total thickness of the tempered glass sheet, so as to prepare tempered laminated glass;
s6, pressurizing:
s6.1, placing the toughened laminated glass prepared in the step S5 in an autoclave, and carrying out temperature and pressure raising in stages, wherein the pressure is set to be 5 +/-1 KG in the first stage, the heating temperature is set to be 60 +/-5 ℃, a pressure valve is opened when the temperature rises to be 60 +/-5 ℃, the temperature and the pressure are kept for 10min when the temperature and the pressure in the autoclave reach set values, the pressure is set to be 10 +/-1 KG in the second stage, the heating temperature is set to be 100-110 ℃, the temperature and the pressure are kept for 10 +/-5 min when the temperature and the pressure reach set values, the pressure is set to be 12KG in the third stage, the heating temperature is set to be 130-140 ℃, and the temperature and the pressure are kept for 40 +/-10 min when;
s6.2, setting the cooling temperature to 35 +/-10 ℃, opening a cooling water valve, and opening an exhaust valve to reduce the pressure until the pressure is reduced to 0 when the temperature is reduced to 35 +/-5 ℃;
s6.3, removing the glass in the high-pressure kettle and repairing glue;
s7, hollowing:
s7.1, selecting a corresponding aluminum strip to bend on a bending machine, and connecting two ends of the aluminum strip by using a plug-in unit at the end head to obtain an aluminum frame which is adaptive to the size of glass to be produced;
s7.2, filling the molecular sieve into the aluminum strip by using a molecular sieve filling machine, and sealing the small holes in the aluminum strip after filling;
s7.3, placing the aluminum frame filled with the molecular sieve on a butyl rubber machine and beating butyl rubber;
s7.4, cleaning and drying the colored drawing toughened glass prepared in the step S4 and the toughened sandwich glass pressurized in the step S6;
s7.5, placing the dried toughened laminated glass on one side of an aluminum frame coated with butyl rubber, placing the dried colored drawing toughened glass on the other side of the aluminum frame, laminating two glass plates into a laminated hollow glass primary finished product, and forming a hollow layer between the aluminum frame and the glass on the two sides;
s7.6, allowing the hollow glass subjected to plate pressing to flow into an automatic gluing machine for automatic glue injection;
and S7.8, unloading the glass onto a prepared glass iron frame by using an automatic sucker hoisting machine, and treating the corner of the glass by using a soft roller brush.
2. The process for preparing a digitally printed hollow laminated glass according to claim 1, wherein: the temperature of the dust-free colored drawing chamber is controlled to be 18-25 ℃, and the humidity is controlled to be 40-60%.
3. The process for preparing a digitally printed hollow laminated glass according to claim 1, wherein: the colored drawing equipment is Dip-Tech NEra-D460.
4. The process for preparing a digitally printed hollow laminated glass according to claim 1, wherein: the glass large plate original sheet in the step S1 is white glass, colored glass or LOW-E glass.
5. The process for preparing a digitally printed hollow laminated glass according to claim 1, wherein: and (5) the film in the step S5.3 is PVB (polyvinyl butyral), and a 2-5 mm film is reserved at the edge of the laminated glass.
6. The process for preparing a digitally printed hollow laminated glass according to claim 1, wherein: in the step S4, the thickness of the un-painted glass and the painted glass is 3mm, the heating time is 110 +/-30S, the quenching cooling time is 10 +/-5S, the quenching wind pressure is 16 +/-0.05 kpa, the cooling time is 30 +/-20S generally, the wind pressure is 3 +/-0.05 kpa generally, the distance of an upper wind grid is 10 +/-1 mm, the distance of a lower wind grid is 10 +/-1 mm, the upper temperature is 720 +/-10 ℃, the lower temperature is 725 +/-10 ℃, and the tapping temperature is 695 +/-5 ℃.
7. The preparation process of the digital printing hollow laminated glass according to claim 1, characterized in that: in the step S4, the thickness of the un-painted glass and the painted glass is 12mm, the heating time is 950 +/-50S, the quenching cooling time is 350 +/-10S, the quenching air pressure is 0.3 +/-0.03 kpa, the cooling time is 380 +/-10S, the air pressure is 1 +/-0.05 kpa, the distance of an upper air grid is 68 +/-1 mm, the distance of a lower air grid is 60 +/-1 mm, the upper temperature is 665 +/-10 ℃, the lower temperature is 670 +/-10 ℃, and the tapping temperature is 670 +/-3 ℃.
8. The preparation process of the digital printing hollow laminated glass according to claim 1, characterized in that: the molecular sieve in the step S7.3 is tested by a temperature rise test, the temperature difference of the temperature rise test is more than or equal to 30 ℃, and the canning amount of the molecular sieve is 70-85%.
9. The preparation process of the digital printing hollow laminated glass according to claim 1, characterized in that: the width of the butyl rubber in the step S7.3 is 3-5 mm, the rubber cylinder temperature of the butyl rubber machine is 138 +/-2 ℃, the rubber nozzle temperature is 140 +/-2 ℃, and the rubber nozzle temperature is 2-3 ℃ higher than the rubber cylinder temperature.
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Denomination of invention: A preparation process for digital printed hollow laminated glass Effective date of registration: 20231218 Granted publication date: 20221011 Pledgee: Agricultural Bank of China Limited Hangzhou Liangzhu Branch Pledgor: ZHEJIANG NARKING GLASS TECHNOLOGY Co.,Ltd. Registration number: Y2023980071691 |