CN114380513B - Glass coating process and coated glass prepared by adopting same - Google Patents
Glass coating process and coated glass prepared by adopting same Download PDFInfo
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- CN114380513B CN114380513B CN202111643754.5A CN202111643754A CN114380513B CN 114380513 B CN114380513 B CN 114380513B CN 202111643754 A CN202111643754 A CN 202111643754A CN 114380513 B CN114380513 B CN 114380513B
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- 239000011521 glass Substances 0.000 title claims abstract description 236
- 238000000576 coating method Methods 0.000 title claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 65
- 238000005406 washing Methods 0.000 claims abstract description 64
- 239000008367 deionised water Substances 0.000 claims abstract description 35
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 28
- 238000005520 cutting process Methods 0.000 claims abstract description 25
- 239000011248 coating agent Substances 0.000 claims abstract description 19
- 230000002093 peripheral effect Effects 0.000 claims abstract description 9
- 238000004140 cleaning Methods 0.000 claims description 61
- 238000002791 soaking Methods 0.000 claims description 18
- 238000005108 dry cleaning Methods 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 12
- 239000000758 substrate Substances 0.000 claims description 12
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 229910018487 Ni—Cr Inorganic materials 0.000 claims description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 10
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 10
- JYMITAMFTJDTAE-UHFFFAOYSA-N aluminum zinc oxygen(2-) Chemical compound [O-2].[Al+3].[Zn+2] JYMITAMFTJDTAE-UHFFFAOYSA-N 0.000 claims description 10
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 10
- 238000001755 magnetron sputter deposition Methods 0.000 claims description 10
- 229910052710 silicon Inorganic materials 0.000 claims description 10
- 239000010703 silicon Substances 0.000 claims description 10
- 229910052709 silver Inorganic materials 0.000 claims description 10
- 239000004332 silver Substances 0.000 claims description 10
- 238000004806 packaging method and process Methods 0.000 claims description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 238000011010 flushing procedure Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims description 7
- 229910052786 argon Inorganic materials 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229910002065 alloy metal Inorganic materials 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 238000007688 edging Methods 0.000 claims description 3
- 238000002310 reflectometry Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000001223 reverse osmosis Methods 0.000 description 3
- 239000013077 target material Substances 0.000 description 3
- 238000007605 air drying Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000005344 low-emissivity glass Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
- 238000001771 vacuum deposition Methods 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
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
- C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
- C03C17/3644—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer the metal being silver
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled 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
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
- C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
- C03C17/3649—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer made of metals other than silver
-
- 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
- C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
- C03C23/0075—Cleaning of 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
- C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
- C03C23/0095—Solution impregnating; Solution doping; Molecular stuffing, e.g. of porous 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
- C03C2218/00—Methods for coating glass
- C03C2218/10—Deposition methods
- C03C2218/15—Deposition methods from the vapour phase
- C03C2218/154—Deposition methods from the vapour phase by sputtering
- C03C2218/156—Deposition methods from the vapour phase by sputtering by magnetron sputtering
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
The invention provides a glass coating process and coated glass prepared by the process, which comprises the following steps: carrying out irradiation light spot display on the cutting position of the whole glass, and automatically adjusting the reference position of the glass; during wet washing, firstly dividing glass into a plurality of areas, detecting the area of stains in each area, and grading the areas according to the ratio of the area of the stains, wherein the higher the ratio of the area of the stains is, the higher the grade is, and the more the corresponding wet washing times are; after wet washing, detecting the area of the stain, the area of which is occupied by the area of the stain exceeds a preset value, and the adjacent outward expansion areas of the areas again, detecting whether pollution to the peripheral area exists during wet washing, and if the area of the stain still exceeds the preset value, repeating the steps of running water washing and deionized water washing. The invention provides a glass coating process and coated glass prepared by the process, and has high cutting utilization rate on glass, so that the coating effect is better, and the coated glass is very worth popularizing.
Description
Technical Field
The invention relates to the technical field of glass coating, in particular to a glass coating process and coated glass prepared by the process.
Background
Coated glass is also called reflecting glass, and is characterized by that one or several layers of metal, alloy or metal compound film are coated on the surface of glass so as to change the optical property of glass and meet a certain specific requirement. Coated glass can be classified into the following categories according to different characteristics of products: heat reflective glass, low emissivity glass (Low-E), conductive film glass, and the like. The production method of the coated glass mainly comprises a vacuum magnetron sputtering method, a vacuum evaporation method, a chemical vapor deposition method, a sol-gel method and the like, wherein vacuum magnetron sputtering coating is carried out in a sputtering chamber provided with a cathode by a conveying roller way, and different targets and process gases are selected according to the requirements of a film layer. In the film plating chamber, negative voltage is applied to the cathode, permanent magnet steel is arranged behind the target material and fixed on the top surface (the surface facing the glass) of the cathode. Under the action of the electric field, glow discharge starts to form plasma, and positive gas ions in the plasma fly to the target surface due to the attraction of negative charges of the target material. When the target material is impacted strongly enough, the atoms on the target are ejected and sputtered onto the glass surface, so that a layer of film formed by the particles of the atoms is formed.
In the prior art, a glass coating process with the publication number of CN113045219A and coated glass prepared by adopting the process, the glass coating process comprises the following steps: cleaning, drying and vacuum magnetron sputtering coating; in the cleaning step, reverse osmosis water is adopted to carry out countercurrent water cleaning on the glass, and deionized water is adopted to clean the glass; in the vacuum magnetron sputtering coating step, the process atmosphere is one or more of oxygen, nitrogen and argon. Coated glass is prepared by adopting the glass coating process; and the coated glass comprises low-emissivity coated glass and solar control coated glass. The glass of the window of the house adopts the coated glass. According to the glass coating process, the reverse osmosis water countercurrent washing and the deionized water spraying washing are adopted, so that the glass cleaning effect is effectively improved, the glass surface cleanliness is improved, the coating effect is improved, and the coated glass has ideal performance.
However, during the use process, the method still has obvious defects: 1. the technology sequentially uses reverse osmosis water and deionized water to clean glass, but for tiny stains with strong adhesiveness, the simple flushing mode is difficult to effectively remove, so that the technology does not clean the glass thoroughly, and the quality of coated glass is lower; 2. the number of the film layers in the coated glass is more, and the film layers are similar in structure, so that the film layers are provided with some redundancy, and the production cost is increased.
Disclosure of Invention
The invention aims to provide a glass coating process and coated glass prepared by the process, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a glass coating process comprises the following steps:
identifying a label on the glass substrate;
the cutting position of the whole glass is subjected to irradiation light spot display, the reference position of the glass is automatically adjusted, and the utilization rate of the glass to be cut is maximized;
the method comprises the steps of sequentially carrying out dry cleaning and wet cleaning on glass, wherein the wet cleaning comprises ultrasonic soaking, running water flushing and deionized water cleaning, during wet cleaning, firstly dividing the glass into a plurality of areas, detecting the area of a stain in each area, then grading the areas according to the ratio of the area of the stain, and the higher the ratio of the area of the stain is, the higher the grade is, and the more the corresponding wet cleaning times are;
after wet washing, detecting the area of the stain, the area of which is occupied by the area of the stain exceeds a preset value, and the adjacent outward-expanding areas of the areas again, detecting whether pollution to the peripheral area exists during wet washing, and if the area of the stain still exceeds the preset value, repeating the steps of running water washing and deionized water washing;
drying the glass by multi-angle blowing;
vacuumizing;
vacuum magnetron sputtering coating is adopted, and the coating sequentially comprises a silver film layer, a zinc oxide aluminum film layer, a nickel chromium film layer and a silicon film layer from the glass substrate outwards;
and (5) detecting and packaging.
Preferably, the identifying the label on the glass substrate specifically includes:
the label can be a bar code or a two-dimensional code, and the content read by the label at least comprises the thickness, the size and the material of the glass and the size of the small glass which is required to be cut into the whole glass.
Preferably, the step of displaying the irradiation light spot on the cutting position of the whole glass and automatically adjusting the reference position of the glass to maximize the utilization rate of the glass to be cut specifically includes:
the edge position of the glass is automatically detected at fixed points through a photoelectric sensor and infrared distance measuring equipment, then the cutting position of the whole glass is subjected to irradiation light spot display, the reference position of the glass is automatically adjusted by taking a transmission device as a power source, the cutting range is reasonably arranged, and the utilization rate of the glass to be cut is maximized;
cutting the glass and edging the corners of the glass.
Preferably, the glass is sequentially subjected to dry cleaning and wet cleaning, the wet cleaning comprises ultrasonic soaking, running water flushing and deionized water cleaning, during the wet cleaning, the glass is firstly divided into a plurality of areas, the area of the stains in each area is detected, then the areas are classified according to the ratio of the area of the stains, the larger the ratio of the area of the stains is, the higher the level is, and the more the corresponding wet cleaning times are, and the method specifically comprises the following steps:
the method comprises the steps of dry cleaning, namely directly using a soft brush to remove glass scraps attached to two sides of glass, wherein the soft brush directly contacts the surface of the glass, and if the glass is curved, the position of the brush can be automatically adjusted;
the wet washing comprises three stages, wherein the first stage uses ultrasonic waves to clean the soaked glass, the second stage uses flowing water to wash the surface of the glass panel, and the third stage uses deionized water to wash the glass;
the method comprises the steps of performing self-cleaning on a soft brush used in dry cleaning while wet cleaning of glass;
in the first stage, the liquid for soaking the glass is ethanol solution with the volume fraction of 60-75%, and the ultrasonic soaking time is 3-5 min;
in the third stage, deionized water is used for washing glass, the water temperature is controlled to be 25-45 ℃, the conductance value of the deionized water is less than or equal to 10 mu s/cm < 2 >, the deionized water washing time is 55-60 s, and the transmission speed of the glass is 4-8 m/min.
Preferably, after the wet washing, detecting the area of the stain with the area ratio exceeding a preset value and the adjacent outward expansion areas of the areas again, detecting whether pollution to the peripheral area exists during the wet washing, and if the area of the stain still exceeds the preset value, repeating the steps of running water washing and deionized water washing specifically including:
the adjacent outward expansion areas are outward expansion cleaning areas which take the original wet cleaning area as the center and the periphery of the adjacent outward expansion areas are respectively outward expansion cleaning areas, and if the outward expansion areas of the original wet cleaning areas are overlapped, the overlapped areas are detected only once;
if the stain area still exceeds the preset value, repeated wet washing is carried out on the areas, and other areas are shielded during the wet washing.
Preferably, the multi-angle blowing is used for drying the glass, and specifically comprises the following steps:
the air outlet of the drying air knife blows to the glass from different angles, the air outlet wind power is automatically adjusted according to the thickness of the glass, and if the glass is thinner, the air outlet wind power is relatively lower.
Preferably, the vacuum-pumping treatment specifically includes:
and continuously vacuumizing the vacuum chamber by using a mechanical pump, detecting the vacuum degree in the vacuum chamber by using a composite vacuum gauge until the vacuum degree reaches 9.5X10-6 Pa at 8X 10-5Pa, wherein the vacuum gas is nitrogen or argon.
Preferably, the vacuum magnetron sputtering coating is adopted, and the coating is a silver film layer, a zinc aluminum oxide film layer, a nickel chromium film layer and a silicon film layer from the glass substrate outwards in sequence, and specifically comprises:
the silver film layer enables the glass to have low emissivity, the thickness of the film layer is 6.5-7.5 nm, the zinc oxide aluminum film layer is used as an interference layer, the thickness of the film layer is 18-20 nm, the nickel-chromium film layer is used as an alloy metal protection layer, the thickness of the film layer is 2.5-3.5 nm, the thickness of the silicon film layer is used as a medium layer, and the thickness of the film layer is 50-65 nm.
Preferably, the detection package specifically includes:
and measuring the transmissivity and reflectivity of the coated glass by adopting a spectrophotometer, and packaging and stacking the coated glass.
The coated glass is prepared by adopting the glass coating process.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the irradiation light spot display can be carried out on the cutting position of the whole glass, and the reference position of the glass is automatically adjusted, so that the cutting can be started from the edge, the utilization rate of the glass to be cut is maximized, more glass products can be cut, and the material waste is effectively reduced;
2. the invention can sequentially carry out dry cleaning and wet cleaning on glass, wherein the wet cleaning comprises ultrasonic soaking, running water flushing and deionized water cleaning, and the ultrasonic soaking cleaning can enable a dirt layer to be dispersed, emulsified and peeled off, thereby effectively solving the defect that stains with strong adhesiveness are difficult to effectively clean;
3. the invention is provided with the silver film layer, the zinc oxide aluminum film layer, the nickel chromium film layer and the silicon film layer in sequence, can meet the requirements of basic coated glass, and has reasonable film layer arrangement, simple structure and lower cost.
The invention provides a glass coating process and coated glass prepared by the process, which have high cutting utilization rate of glass, thorough cleaning, better coating effect, simple structure, low manufacturing cost and great popularization value.
Drawings
FIG. 1 is a schematic flow chart of a glass coating process according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the present invention provides a technical solution:
embodiment one:
a glass coating process comprises the following steps:
s101, identifying a label on a glass substrate;
s102, carrying out irradiation light spot display on the cutting position of the whole glass, automatically adjusting the reference position of the glass, and maximizing the utilization rate of the glass to be cut;
s103, sequentially carrying out dry cleaning and wet cleaning on glass, wherein the wet cleaning comprises ultrasonic soaking, running water flushing and deionized water cleaning, during the wet cleaning, firstly dividing the glass into a plurality of areas, detecting the area of stains in each area, and then grading the areas according to the ratio of the area of the stains, wherein the higher the ratio of the area of the stains is, the higher the grade is, and the more the corresponding wet cleaning times are;
s104, after wet washing, detecting the area of the stain, the area of which is larger than a preset value, and the adjacent outward expansion areas of the areas again, detecting whether pollution to the peripheral area exists during wet washing, and if the area of the stain still exceeds the preset value, repeating the steps of running water washing and deionized water washing;
s105, drying the glass by multi-angle blowing;
s106, vacuumizing;
s107, vacuum magnetron sputtering coating is adopted, and the coating sequentially comprises a silver film layer, a zinc aluminum oxide film layer, a nickel chromium film layer and a silicon film layer from the glass substrate outwards;
s108, detecting packaging.
Embodiment two:
the present embodiment further discloses and defines each step based on the first embodiment, specifically:
identifying a label on a glass substrate, comprising: the label can be bar code or two-dimensional code, the label need clean, be level, be convenient for read information, and the label both can be through the sticky subsides of no trace on glass, also can fix on glass through convenient quick detachable clamping structure, the content that the label read includes thickness, size, the material of this glass at least, and the size of the fritted glass that needs to cut this fritted glass into, thickness information can be for the follow-up stoving processing of drying of blowing reference, if thickness is great, then can use higher wind-force to air dry fast, otherwise, if the thickness of glass is lower, in order to avoid glass to take place the damage, then should adopt the less air current of wind-force to blow the stoving, the size of fritted glass and the size of required fritted glass all are used for arranging the light point and provide the reference to follow-up cutting position after cutting, and then rationally distribute for fritted glass, make available glass piece number after the cutting more.
The method comprises the steps of carrying out irradiation light spot display on the cutting position of the whole glass, automatically adjusting the reference position of the glass, maximizing the utilization rate of the glass to be cut, and specifically comprising the following steps: the edge position of the glass is automatically detected at fixed points through the photoelectric sensor and the infrared distance measuring equipment, then the cutting position of the whole glass is irradiated with light spots for displaying, the light spots are visible light, such as red or green light spots, and the light spots are taken as a power source by virtue of a transmission device which can be an electric element such as a cylinder or a motor and can drive the whole glass to move and adjust the position, so that the reference position of the glass is automatically adjusted, the cutting range is reasonably arranged, the cutting of the small glass can be started from the edge of the whole glass, the utilization rate of the glass to be cut is maximized, and the waste is reduced; cutting glass, wherein the cut glass can be round, square or special-shaped glass, edging is carried out on corners of the glass after cutting, and the operator is prevented from being scratched by sharp positions.
The method comprises the steps of sequentially carrying out dry cleaning and wet cleaning on glass, wherein the wet cleaning comprises ultrasonic soaking, running water flushing and deionized water cleaning, during wet cleaning, firstly dividing the glass into a plurality of areas, detecting the area of a stain in each area, then grading the areas according to the occupied ratio of the area of the stain, and the higher the occupied ratio of the area of the stain is, the more the number of times of wet cleaning correspondingly carried out is, and specifically comprises the following steps: the glass scraps attached to the two sides of the glass are removed by dry cleaning directly by using the soft brush, wherein the soft brush is directly contacted with the surface of the glass, if the glass is curved, the position of the brush can be automatically adjusted along with the glass, so that the glass is always attached, dirt on the surface of the glass can be directly removed by dry cleaning, the dirt is prevented from polluting cleaning liquid in the subsequent wet cleaning, the cleaning liquid is more durable, frequent replacement is not needed, the operation procedure is simplified, and the consumption of the cleaning liquid is also saved; the wet washing comprises three stages, wherein the first stage uses ultrasonic waves to clean soaked glass, the ultrasonic waves can be utilized to carry out cavitation, acceleration and direct flow actions in liquid to directly and indirectly act on the liquid and dirt, so that a dirt layer is dispersed, emulsified and stripped to achieve the purpose of cleaning, the surface of the glass is cleaned more comprehensively and thoroughly, the second stage uses flowing water to wash the surface of a glass panel, the dirt stripped in the first stage is washed and removed, the third stage uses deionized water to wash the glass, and the deionized water is pure water after ionic impurities, so that the glass can be washed finally, and the dirt is effectively eliminated; the soft brush used in dry cleaning is cleaned by self when the glass is wet-cleaned, and the operation and the wet-cleaning operation are performed simultaneously, so that the soft brush can be cleaned, stains on the soft brush are prevented from being reversely attached to the glass in the subsequent cleaning process, secondary pollution is avoided, the processing time is saved, the soft brush is not required to be cleaned in additional time, and the processing efficiency is effectively improved; in the first stage, the liquid for soaking the glass is ethanol solution with the volume fraction of 60% -75%, and the ultrasonic cleaning time is 3-5 min, so that stains on the glass can be effectively removed; in the third stage, deionized water is used for washing glass, the water temperature is controlled to be 25-45 ℃, the conductance value of the deionized water is less than or equal to 10 mu S/cm < 2 >, the deionized water washing time is 55-60S, and the transmission speed of the glass is 4-8 m/min.
After wet washing, detecting the area of the stain, the area of which is occupied by the area of the stain exceeds a preset value, and the adjacent outward expansion areas of the areas again, detecting whether pollution to the peripheral area exists during wet washing, and if the area of the stain still exceeds the preset value, repeating the wet washing step, wherein the method specifically comprises the following steps: the adjacent outward expansion areas are outward expansion cleaning areas which take the original wet cleaning areas as the center and the periphery of the original wet cleaning areas, and the peripheral areas which are possibly polluted are covered at the moment, of course, the outward expansion areas can be added during actual use, so that the pollution to the peripheral areas during cleaning is further prevented, and if the outward expansion areas of the original wet cleaning areas are overlapped, the overlapped areas are detected only once, and the repeated detection is avoided, so that the time and energy are wasted; if the area of the stains still exceeds a preset value, repeated wet washing is carried out on the areas, and other areas are shielded during the wet washing, so that the surrounding areas are prevented from being polluted again, the cleaning effect is better, and the specific cleaning is more water-saving, so that the production cost is effectively reduced.
For example, when a piece of 2 x 2m glass is wet washed, ultrasonic soaking, running water washing and deionized water washing are sequentially included, in the first stage, the liquid for soaking the glass is ethanol solution with the volume fraction of 70%, the ultrasonic soaking time is 4min, the running water washing time in the second stage is 2.5min, when the deionized water is used for washing the glass in the third stage, the water temperature is controlled at 38 ℃, the conductivity value of the deionized water is 8 mu S/cm < 2 >, the deionized water washing time is 56S, the transmission speed of the glass is 5m/min, on the premise that the condition is that the whole glass is subjected to indiscriminate washing, and if stains are still detected after the first washing, the washing is repeated once, namely, two ultrasonic soaking times, two running water washing times and two deionized water washing times are realized, and the control group washing treatment is performed;
then, during wet washing, firstly dividing glass into forty areas, detecting the area of the stains in each area, then classifying the areas according to the ratio of the area of the stains, wherein the larger the area of the stains is, the higher the level is, the more the corresponding wet washing times are, after wet washing, detecting the area of the stains with the ratio exceeding a preset value and the adjacent expanded areas of the areas again, detecting whether pollution to the peripheral area exists during wet washing, and if the area of the stains still exceeds the preset value, repeating the steps of running water washing and deionized water washing, namely, jointly realizing one ultrasonic soaking, two running water washing and two deionized water washing, wherein the action areas of the two steps are the same, so as to form an experiment group washing treatment:
comparing the two with each other, the result is as follows:
therefore, if the method is adopted, the time consumption of the overall coating process is shorter, the water consumption is also smaller, and the production cost can be obviously reduced.
The multi-angle blowing is carried out on the glass for drying treatment, and the method specifically comprises the following steps: the air outlet of the drying air knife blows to the glass from different angles, so that residual liquid on different positions of the glass can be effectively blown and dried, a drying blind area is avoided, the air outlet wind power is automatically adjusted according to the thickness of the glass, if the glass is thinner, the air outlet wind power is relatively lower, the thin glass is prevented from being blown by strong wind, otherwise, if the glass is thicker, the air outlet wind power is relatively higher, the glass at the moment is not damaged, the air drying time is reduced due to the increase of the wind power, the air drying efficiency is improved, and the glass is more adaptive.
The vacuumizing treatment specifically comprises the following steps: the vacuum chamber is continuously vacuumized by a mechanical pump, the vacuum degree in the vacuum chamber is detected by a composite vacuum gauge until the vacuum degree reaches 9.5X10-6 Pa at 8X 10-5Pa, the vacuum gas is nitrogen or argon, and the nitrogen and the argon are inert gases, so that unnecessary spontaneous reactions can be avoided, the use is safer, and the interference of irrelevant factors is avoided.
The vacuum magnetron sputtering coating is adopted, and the coating sequentially comprises a silver film layer, a zinc oxide aluminum film layer, a nickel chromium film layer and a silicon film layer from the glass substrate outwards, and specifically comprises the following steps: the silver film layer enables the glass to have low emissivity, the thickness of the film layer is 6.5-7.5 nm, the zinc oxide aluminum film layer is used as an interference layer, the thickness of the film layer is 18-20 nm, the nickel chromium film layer is used as an alloy metal protection layer, the thickness of the film layer is 2.5-3.5 nm, the thickness of the silicon film layer is used as a medium layer, the thickness of the film layer is 50-65 nm, the position design of the film layer is reasonable, the film layer is in line with daily use requirements, the overall film layer structure is simpler, and therefore, the manufacturing and processing cost is lower, and the glass is very suitable for large-scale popularization and use.
The detection package specifically comprises: and measuring the transmissivity and reflectivity of the coated glass by adopting a spectrophotometer, detecting whether the coated glass meets preset requirements, if not, reworking is required, or scrapping is directly carried out, and if so, packaging and stacking the coated glass, wherein the packaging can be independent packaging of a single glass, or combining and packaging the coated glass which is in the same batch and is subjected to the same treatment, and the coated glass can be flexibly selected according to the processing requirements during use.
The coated glass is prepared by adopting the glass coating process.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The glass coating process is characterized by comprising the following steps of:
identifying a label on the glass substrate;
the cutting position of the whole glass is subjected to irradiation light spot display, the reference position of the glass is automatically adjusted, and the utilization rate of the glass to be cut is maximized;
the method comprises the steps of sequentially carrying out dry cleaning and wet cleaning on glass, wherein the wet cleaning comprises ultrasonic soaking, running water flushing and deionized water cleaning, during wet cleaning, firstly dividing the glass into a plurality of areas, detecting the area of a stain in each area, then grading the areas according to the ratio of the area of the stain, and the higher the ratio of the area of the stain is, the higher the grade is, and the more the corresponding wet cleaning times are;
after wet washing, detecting the area of the stain with the area ratio exceeding a preset value and the adjacent outward expansion areas of the areas again, detecting whether the stain area is polluted on the peripheral areas during wet washing, if the area of the stain still exceeds the preset value, repeating the steps of running water washing and deionized water washing, wherein the adjacent outward expansion areas are outward expansion washing areas taking the original wet washing area as the center, and surrounding areas respectively, if the outward expansion areas of the original wet washing areas are overlapped, detecting the overlapped areas only once, and if the area of the stain still exceeds the preset value, repeating the wet washing on the areas, and shielding other areas during wet washing;
drying the glass by multi-angle blowing;
vacuumizing;
vacuum magnetron sputtering coating is adopted, and the coating sequentially comprises a silver film layer, a zinc oxide aluminum film layer, a nickel chromium film layer and a silicon film layer from the glass substrate outwards;
and (5) detecting and packaging.
2. A glass coating process according to claim 1, wherein: the label on the identification glass substrate specifically comprises:
the label is a bar code or a two-dimensional code, and the content read by the label at least comprises the thickness, the size and the material of the glass and the size of the small glass which is required to be cut into the whole glass.
3. A glass coating process according to claim 1, wherein: the method comprises the steps of carrying out irradiation light spot display on the cutting position of the whole glass, automatically adjusting the reference position of the glass, maximizing the utilization rate of the glass to be cut, and specifically comprising the following steps:
the edge position of the glass is automatically detected at fixed points through a photoelectric sensor and infrared distance measuring equipment, then the cutting position of the whole glass is subjected to irradiation light spot display, the reference position of the glass is automatically adjusted by taking a transmission device as a power source, the cutting range is reasonably arranged, and the utilization rate of the glass to be cut is maximized;
cutting the glass and edging the corners of the glass.
4. A glass coating process according to claim 1, wherein: the method comprises the steps of sequentially carrying out dry cleaning and wet cleaning on glass, wherein the wet cleaning comprises ultrasonic soaking, running water flushing and deionized water cleaning, during wet cleaning, firstly dividing the glass into a plurality of areas, detecting the area of stains in each area, then grading the areas according to the occupation ratio of the areas of the stains, and the larger the occupation ratio of the areas of the stains is, the higher the grade is, and the more the corresponding wet cleaning times are, and specifically comprises the following steps:
the method comprises the steps of dry cleaning, namely directly using a soft brush to remove glass scraps attached to two sides of glass, wherein the soft brush directly contacts the surface of the glass, and if the glass is curved, the position of the brush can be automatically adjusted;
the wet washing comprises three stages, wherein the first stage uses ultrasonic waves to clean the soaked glass, the second stage uses flowing water to wash the surface of the glass panel, and the third stage uses deionized water to wash the glass;
the method comprises the steps of performing self-cleaning on a soft brush used in dry cleaning while wet cleaning of glass;
in the first stage, the liquid for soaking the glass is ethanol solution with the volume fraction of 60-75%, and the ultrasonic soaking time is 3-5 min;
in the third stage, deionized water is used to wash glass, the water temperature is controlled to be 25-45 ℃, and the conductance value of the deionized water is less than or equal to 10 mu s/cm 2 The deionized water washing time is 55-60 s, and the transmission speed of the glass is 4-8 m/min.
5. A glass coating process according to claim 1, wherein: the multi-angle blowing is carried out the drying treatment to the glass, and specifically comprises the following steps:
the air outlet of the drying air knife blows to the glass from different angles, the air outlet wind power is automatically adjusted according to the thickness of the glass, and if the glass is thinner, the air outlet wind power is relatively lower.
6. A glass coating process according to claim 1, wherein: the vacuumizing treatment specifically comprises the following steps:
continuously vacuumizing the vacuum chamber by using a mechanical pump, and detecting the vacuum degree in the vacuum chamber by using a composite vacuum gauge until the vacuum degree is 8 multiplied by 10 -5 Pa reaches 9.5X10 -6 And between Pa, the vacuum gas is nitrogen or argon.
7. A glass coating process according to claim 1, wherein: the vacuum magnetron sputtering coating is adopted, and the coating sequentially comprises a silver film layer, a zinc oxide aluminum film layer, a nickel chromium film layer and a silicon film layer from the glass substrate outwards, and specifically comprises the following steps:
the silver film layer enables the glass to have low emissivity, the thickness of the film layer is 6.5-7.5 nm, the zinc oxide aluminum film layer is used as an interference layer, the thickness of the film layer is 18-20 nm, the nickel-chromium film layer is used as an alloy metal protection layer, the thickness of the film layer is 2.5-3.5 nm, the thickness of the silicon film layer is used as a medium layer, and the thickness of the film layer is 50-65 nm.
8. A glass coating process according to claim 1, wherein: the detection package specifically comprises:
and measuring the transmissivity and reflectivity of the coated glass by adopting a spectrophotometer, and packaging and stacking the coated glass.
9. The coated glass is characterized in that: the glass coating process according to any one of claims 1 to 8.
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| CN105084778B (en) * | 2014-05-05 | 2018-02-16 | 福建新福兴玻璃有限公司 | A kind of green low radiation coated glass and preparation method thereof |
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| CN110818280A (en) * | 2019-12-02 | 2020-02-21 | 惠州市万合玻璃科技有限公司 | Production process of multilayer coated glass |
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