CN113149453A - Preparation method of vehicle window glass - Google Patents
Preparation method of vehicle window glass Download PDFInfo
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- CN113149453A CN113149453A CN202110445645.6A CN202110445645A CN113149453A CN 113149453 A CN113149453 A CN 113149453A CN 202110445645 A CN202110445645 A CN 202110445645A CN 113149453 A CN113149453 A CN 113149453A
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- 239000005357 flat glass Substances 0.000 title claims abstract description 113
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000011521 glass Substances 0.000 claims abstract description 200
- 239000000758 substrate Substances 0.000 claims abstract description 171
- 238000007639 printing Methods 0.000 claims abstract description 145
- 238000000034 method Methods 0.000 claims abstract description 37
- 238000005520 cutting process Methods 0.000 claims abstract description 30
- 230000008569 process Effects 0.000 claims abstract description 26
- 238000005452 bending Methods 0.000 claims abstract description 11
- 238000000465 moulding Methods 0.000 claims abstract description 11
- 238000004140 cleaning Methods 0.000 claims abstract description 7
- 238000005245 sintering Methods 0.000 claims description 25
- 238000004519 manufacturing process Methods 0.000 claims description 24
- 238000000227 grinding Methods 0.000 claims description 22
- 239000000919 ceramic Substances 0.000 claims description 8
- 239000004645 polyester resin Substances 0.000 claims description 3
- 229920001225 polyester resin Polymers 0.000 claims description 3
- 239000003086 colorant Substances 0.000 claims description 2
- 230000000873 masking effect Effects 0.000 claims 1
- 230000007246 mechanism Effects 0.000 description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 230000005540 biological transmission Effects 0.000 description 13
- 239000008367 deionised water Substances 0.000 description 10
- 229910021641 deionized water Inorganic materials 0.000 description 10
- 238000005406 washing Methods 0.000 description 7
- 238000001035 drying Methods 0.000 description 6
- 238000003825 pressing Methods 0.000 description 5
- 238000005286 illumination Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000013003 hot bending Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
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- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000001023 inorganic pigment Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000012945 sealing adhesive Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000005361 soda-lime glass Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/006—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/02—Re-forming glass sheets
- C03B23/023—Re-forming glass sheets by bending
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
-
- 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
- C03C23/0005—Other surface treatment of glass not in the form of fibres or filaments by irradiation
- C03C23/002—Other surface treatment of glass not in the form of fibres or filaments by irradiation by ultraviolet light
-
- 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
- C03C23/007—Other surface treatment of glass not in the form of fibres or filaments by thermal treatment
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Geochemistry & Mineralogy (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Composite Materials (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
The invention relates to a method for preparing window glass, which comprises providing a glass substrate with an area at least 10% larger than that of the window glass to be manufactured; providing a printing member comprising a first region and a second region, the inner contour of the first region coinciding with the outer contour of the second region, the area of the first region being greater than the area of the printing region on the glazing, the shape of the second region being the same as the shape of the transparent region on the glazing; cleaning the glass substrate, and aligning the first area of the printing member with the part to be printed on the glass substrate; printing the shielding piece on a part needing to be printed on the glass substrate; curing the shield on the glass substrate; cutting the glass substrate provided with the shielding piece into a shape corresponding to the vehicle window glass; and finally, bending and molding the glass substrate provided with the shielding piece. The preparation method of the window glass improves the printing quality and the integral appearance aesthetic degree of the window glass and reduces the operation difficulty of the printing process.
Description
The technical field is as follows:
the invention relates to the field of glass production, in particular to a preparation method suitable for vehicle window glass.
Background art:
with the development of the automobile industry, the assembly technology of the window glass is continuously improved, for example, the assembly technology of the front windshield is developed into a non-sealing installation mode from a traditional peripheral sealing strip installation mode; with this weatherstrip-less mounting, the printed pattern of the glass ink can be observed from the outside of the vehicle; however, the automobile glass manufactured by the existing printing method has poor printing quality of the glass boundary and appearance defects such as burrs, sawteeth and the like, and a plurality of existing automobile manufacturers have increasingly strict requirements on the printed appearance, the existing printing process is difficult to achieve the printing effect of the zero-white edge, and the distances between the ink outer boundary and the glass boundary are not equal to each other, so that the appearance of the automobile glass is influenced; in addition, the sealing adhesive in the vehicle interior is damaged by ultraviolet irradiation due to the distance between the ink outer boundary of the vehicle window glass and the glass boundary; automotive manufacturers therefore often require a complete bond between the ink outer boundary of the glazing and the glass boundary, and the quality of the printed appearance of the edge of the glazing is becoming increasingly stringent.
The existing preparation method of the car window glass comprises the working procedures of cutting, printing, forming and the like, wherein the printing method of the car window glass comprises the steps of sucking redundant ink on a printing screen plate by using an ink sucking device, preventing the ink from being accumulated on the edge of the glass during printing, and realizing the attachment of the outer boundary of the ink and the outer boundary of the glass; the printing method has low production efficiency, great damage to printing equipment, ink leakage and the like possibly occurring in the printing process and influencing the printing quality; chinese patent CN104827790A proposes that an adjustable frame strip is disposed on a screen frame, and the size of the printed pattern is adjusted by adjusting the position of the frame strip relative to the screen frame body, so as to attach the outer boundary of the ink to the outer boundary of the glass; for the method for printing by adopting the screen frame with the adjustable frame strip, the manufacturing cost of the screen frame is higher, the operation process is complex, the defects of size deviation, ink leakage, dot deformation and the like frequently occur in the printed ink area, the complete bonding of the ink outer boundary and the glass boundary in the true sense is difficult to realize, and the printing quality is poor.
The invention content is as follows:
the invention aims to solve the technical problems that the outer boundary of ink cannot be completely attached to the glass boundary in the printing process in the existing vehicle window glass preparation method, the defects of poor printing quality of the ink, low production efficiency, high manufacturing cost, large damage to printing equipment and the like are easily caused, and the vehicle window glass preparation method which can realize complete full printing in the printing process, has good printing quality of the whole ink, is simple in operation process, cannot cause large damage to the printing equipment and has low manufacturing cost is provided.
In order to solve the technical problem, the preparation method of the vehicle window glass comprises the following steps:
step 1: providing a glass substrate, wherein the area of the glass substrate is at least 10% larger than the area of the car window glass to be manufactured; providing a printing member, wherein the printing member comprises a first area and a second area, the first area surrounds the periphery of the second area, the inner contour of the first area is coincident with the outer contour of the second area, the area of the first area is larger than that of the printing area on the vehicle window glass, and the shape of the second area is the same as that of the transparent area on the vehicle window glass;
step 2: cleaning the glass substrate, and aligning the first area of the printing member with the part to be printed on the glass substrate;
and step 3: printing the shielding part on the part needing to be printed on the glass substrate through the first area of the printing part;
and 4, step 4: curing the shield on the glass substrate;
and 5: cutting the glass substrate provided with the shielding piece into a shape corresponding to the vehicle window glass according to the shape of the vehicle window glass to be manufactured;
step 6: grinding the outer contour edge of a glass substrate with a shape corresponding to the vehicle window glass into an arc shape;
and 7: and bending and molding the glass substrate provided with the shielding piece to obtain the final vehicle window glass.
Further, in step 1, the area of the first region of the printing member is 5% to 20% larger than the area of the printing region on the window glass.
Further, in step 1, the shape of the first region corresponds to the shape of the printed region on the window pane.
Further, in step 2, the shielding member is ceramic ink; in step 4, the mask on the glass substrate is cured using a pre-sintering process.
Further, in the step 4, when the shielding member on the glass substrate is cured by adopting a pre-sintering process, the pre-sintering temperature is set to be 200-610 ℃, and the pre-sintering time is set to be 600-900 seconds.
Further, in step 2, the shielding member is ultraviolet light curing ink; in step 4, the mask on the glass substrate is cured using an ultraviolet curing process.
Further, the mask includes a colorant, a polyester resin, a polydipentaerythritol pentaacrylate, and a photoinitiator.
Further, in the step 4, when the shielding member on the glass substrate is cured by adopting an ultraviolet curing process, ultraviolet light with the wavelength of 365-405 nanometers is adopted for irradiation, and the ultraviolet irradiation time is set to be 8-30 seconds.
Further, in step 4, the thickness of the shielding part is 15-22 microns.
Meanwhile, the invention also provides the car window glass prepared by applying the car window glass, the car window glass comprises a glass substrate and a shielding piece, the shielding piece is arranged on the surface of the glass substrate, and the distance between the outer contour of the shielding piece and the outer contour of the glass substrate is 0-0.3 mm.
According to the invention, by adopting the mode of printing the shielding layer with the size larger than the size of the pattern to be printed on the glass substrate and cutting the glass substrate printed with the shielding layer into the corresponding shape according to the shape of the window glass to be manufactured, the average distance between the outer boundary of the shielding layer and the outer boundary of the glass substrate is within 0-0.3 mm, the printing quality and the integral appearance attractiveness of the window glass are improved, and the printed pattern can be completely printed on the glass substrate.
Description of the drawings:
fig. 1 is a schematic flow chart of a method for manufacturing a vehicle window glass according to the present invention.
The specific implementation mode is as follows:
the invention will be further explained with reference to the accompanying drawings.
The invention relates to a preparation method of vehicle window glass, which is characterized by comprising the following steps of:
step 1: providing a glass substrate, wherein the area of the glass substrate is at least 10% larger than the area of the car window glass to be manufactured; providing a printing member, wherein the printing member comprises a first area and a second area, the first area surrounds the periphery of the second area, the inner contour of the first area is coincident with the outer contour of the second area, the area of the first area is larger than that of the printing area on the vehicle window glass, and the shape of the second area is the same as that of the transparent area on the vehicle window glass;
step 2: cleaning the glass substrate, and aligning the first area of the printing member with the part to be printed on the glass substrate;
and step 3: printing the shielding part on the part needing to be printed on the glass substrate through the first area of the printing part;
and 4, step 4: curing the shield on the glass substrate;
and 5: cutting the glass substrate provided with the shielding piece into a shape corresponding to the vehicle window glass according to the shape of the vehicle window glass to be manufactured;
step 6: grinding the outer contour edge of a glass substrate with a shape corresponding to the vehicle window glass into an arc shape;
and 7: and bending and molding the glass substrate provided with the shielding piece to obtain the final vehicle window glass.
Printing a shielding piece on a glass substrate which is larger than the size of the window glass to be manufactured by at least 10 mm by adopting a printing piece which is provided with a first area which is larger than the printing area of the window glass and a second area which is the same as the transparent area of the window glass in shape, solidifying the shielding piece, cutting and polishing the edge part of the shielding piece, and finally bending and molding the glass substrate containing the shielding piece; the shielding part can be uniformly and completely attached to the outer edge of the glass substrate, the distance between the shielding part and the outer edge of the glass substrate is reduced, the appearance of the window glass is improved, compared with the traditional window glass preparation method, an ink absorption device is not required to be additionally adopted to absorb the shielding part redundant in the edge of the glass substrate in the printing process, the service life of the printing tool is prolonged, and the printing quality of the window glass is also improved.
In the step 1, the glass substrate comprises soda-lime glass or high-alumina glass, and the thickness of the glass substrate ranges from 0.7 mm to 5.0 mm; in order to facilitate the manufacturing production of the vehicle window glass, specifically, the glass substrate is in a quadrilateral shape, and the size of the glass substrate is 10-30 mm larger than that of the vehicle window glass to be manufactured; the length of the glass substrate is 10-30 mm larger than that of the vehicle window glass to be manufactured, the width of the glass substrate is 10-30 mm larger than that of the vehicle window glass to be manufactured, and the glass substrate is green glass, dark green glass or transparent glass; the printing member comprises a frame, a printing silk screen and a photosensitive film, the printing silk screen is stretched and arranged in the frame, the photosensitive film being coated on a portion of the printing screen, the photosensitive film being for forming a second area on the printing screen for preventing passage of a mask, the distribution of the first and second regions corresponds to the distribution of the printed and transparent regions on the glazing, the first region is for forming a printed area on a glazing and the second region is for forming a transparent area on a glazing, in particular, after the photosensitive film is covered on the printing silk screen, the photosensitive film is irradiated, the part, covered with the photosensitive film, of the printing silk screen is irradiated to form the second area, and the part, not covered with the photosensitive film, of the printing silk screen forms the first area; in order to facilitate printing of the window glass and improve the accuracy of the printing process and the overall printing quality, the second area is preferably located in the middle of the printing screen, the extending direction of the second area is in the same straight line with the installation direction of the printing screen, and the shape of the second area is the same as that of the transparent area on the window glass; the first area surrounds the periphery of the second area, the center of the first area coincides with the center of the printing screen, the extending direction of the first area is on the same straight line with the installing direction of the printing screen, the inner contour of the first area coincides with the outer contour of the second area, and the area of the first area is larger than that of the printing area on the window glass; more preferably, the shape of the first region corresponds to the shape of a printed region on the glazing, the area of the first region being 5% to 20%, for example 10%, greater than the area of the printed region on the glazing.
In order to improve the printing quality and printing accuracy of the window glass, in step 2, the glass substrate is washed by high-pressure water or a brush, so as to remove impurities on the surface of the glass substrate, and the shielding piece can be stably and accurately printed on the surface of the glass substrate, specifically, the glass substrate is prevented from being on the transmission mechanism and entering the washing mechanism through the transmission mechanism, the washing mechanism is internally provided with deionized water, under the action of high pressure, the detergent adopts deionized water to wash the surface to be printed on the glass substrate, wherein the water temperature of the deionized water is 30-80 ℃, the transmission speed of the transmission mechanism is 5-13 m/min, a brush and a pressing roller are further arranged in the washing mechanism, and the brush and the pressing roller are used together for being matched with deionized water so as to further clean the surface of the glass substrate; after the surface of the glass substrate is washed by deionized water, the transmission mechanism transports the glass plate into a drying mechanism, and the drying mechanism dries and peels the deionized water film on the glass substrate by adopting a high-pressure fan so as to achieve the drying effect; wherein, high pressure positive blower comprises a plurality of air knife mouths high pressure positive blower's entry end still is provided with the dish brush, the dish brush is used for right glass substrate carries out preliminary washing, in order to get rid of better the last deionized water membrane of glass substrate reaches the stoving effect.
After the glass substrate is cleaned, aligning the frame of the printing member with the glass substrate, aligning the center of the printing screen of the printing member with the center of the glass substrate, further aligning the center of the first area of the printing screen with the center of the part to be printed on the glass substrate, correspondingly setting the shape of the first area of the printing screen and the part to be printed on the glass substrate, and correspondingly overlapping the first area of the printing screen and the part to be printed on the glass substrate; similarly, the center of the second area of the printing screen is aligned with the center of the part of the glass substrate, which is used for forming the transparent area of the window glass, the second area of the printing screen is correspondingly arranged with the shape of the part of the glass substrate, which needs to form the transparent area, and the second area of the printing screen is correspondingly overlapped with the part of the glass substrate, which needs to form the transparent area; in order to improve the printing quality and the printing accuracy of the glass substrate, preferably, a glass positioning mechanism is adopted to perform centered positioning on the glass substrate, the printing part is arranged on a printing part fixing frame, the printing part is correspondingly moved to a corresponding position on the glass substrate according to the printing requirement of the window glass and is fixedly positioned, and the alignment arrangement of the printing part and the glass substrate is completed.
After the printing part is aligned with the glass substrate, in step 3, the distance between the printing part and the glass substrate is adjusted, and then a shielding part for forming a part to be printed on the vehicle window glass is poured on the printing part; in order to better print the shielding parts on the glass substrate and improve the printing efficiency and the printing quality of the printing process so as to form a stable shielding layer, preferably, the shielding parts are printed on the glass substrate by using a printing tool, wherein the printing tool comprises an ink returning scraper blade and a printing scraper blade, and the ink returning scraper blade is used for uniformly distributing the shielding parts on the printing parts so that the shielding parts are uniformly and evenly distributed on the printing parts; then driving the printing scraper to press the shielding member, and driving the printing scraper to move on the printing member, wherein the printing scraper prints the shielding member on the corresponding position of the glass substrate through the first area of the printing member, and specifically, the shielding member covers the corresponding position of the glass substrate through the first area of the printing member which is not covered with the photosensitive glue; more specifically, in step 3, the shielding part is set in an environment with the temperature of 16-25 ℃ and the humidity of 30-80%, and the part needing to be printed on the glass substrate is printed through the first area of the printing part; the running speed of the printing scraper is 200-750 mm/s, the running speed of the ink returning scraper is 200-750 mm/s, the extrusion pressure of the printing scraper on the shielding piece is 0.4-0.6 MPa, and the viscosity of the shielding piece is 10-20 Pa sec; the thickness of the shielding piece is 15-22 microns.
The shielding part is ceramic ink suitable for automobile glass printing or ultraviolet curing ink suitable for automobile glass printing; when the shielding piece is ceramic ink, the shielding piece comprises glass oil, ink powder, inorganic pigment, filler, organic solvent, resin and auxiliary agent; the ceramic ink has strong adhesion with a glass substrate, and has the advantages of good acid and alkali resistance, good chemical resistance and the like; when the shielding member is ultraviolet light curing printing ink, the shielding member comprises a pigment, polyester resin, polydipentaerythritol pentaacrylate and a photoinitiator; the ultraviolet curing ink has the advantages of strong adhesion with a glass substrate, water resistance, salt water resistance, acid and alkali resistance, high curing speed and the like.
In step 4, after the shielding member is printed on the glass substrate, the shielding member is cured in a pre-sintering or ultraviolet light irradiation mode to form a stable shielding layer structure; when the shielding piece is ceramic ink, the shielding piece is solidified in a drying and pre-sintering mode; specifically, a glass substrate printed with the shielding piece passes through a drying mechanism to primarily dry ceramic ink, then the glass plate is placed on a transmission mechanism, the transmission mechanism drives the glass substrate printed with the shielding piece to enter a pre-sintering mechanism, and the pre-sintering mechanism heats and solidifies the shielding piece printed with the glass plate, wherein the sintering temperature of the pre-sintering mechanism is 200-610 ℃, the sintering temperature of the pre-sintering mechanism increases along with the movement direction of the glass substrate and then decreases, when the glass substrate moves to the middle area of the pre-sintering mechanism, the sintering temperature of the pre-sintering mechanism reaches the maximum value, such as 610 ℃, the transmission speed of the transmission mechanism is 60-100 mm/s, and the sintering time is 600-900 seconds; the pre-sintering mechanism is used for carrying out curing processing on the shielding piece so as to volatilize oil in the shielding piece, so that crystals are formed on the surface of the shielding piece, the bending forming of a subsequent glass substrate is facilitated, and the production quality of the window glass is improved;
when the shielding piece is ultraviolet curing ink, curing the shielding piece in an ultraviolet curing mode; specifically, a glass substrate printed with the shielding piece is placed under a curing mechanism, the shielding piece is irradiated by the curing mechanism, the curing mechanism can emit light rays with different wavelengths and energy to enable monomer polymers in the shielding piece to be polymerized with each other to form polymers, a film layer is formed on the surface of the shielding piece, and meanwhile, the shielding piece is converted into a dry shielding layer; placing the glass substrate printed with the shielding part on a transmission mechanism, and moving the glass substrate to a position below a curing mechanism by the transmission mechanism; the curing mechanism is used for carrying out illumination curing on the shielding part on the glass substrate so as to enable the shielding part to form a shielding layer in a solid state and cover the shielding layer at a corresponding position of the glass substrate, wherein the curing mechanism is an ultraviolet curing mechanism, can emit ultraviolet light, and cures the shielding part through ultraviolet irradiation to form the shielding layer; the transmission speed of the glass substrate moved by the transmission mechanism is 4-8 m/min, the working power of the curing mechanism is 20-30 kilowatts, the wavelength of ultraviolet light emitted by the curing mechanism is 365-405 nanometers, the illumination time of the shielding piece by the curing mechanism is 8-30 seconds, the illumination temperature of the curing mechanism is 16-25 ℃, the illumination humidity is 30-80%, the viscosity of the shielding piece is 25-35 Pa seconds, and the thickness of the shielding piece is 15-22 micrometers.
After the shielding member is solidified on the part of the glass substrate to be printed, in step 5, cutting the glass substrate covered with the shielding member into a structure with the same shape as the vehicle window glass to be manufactured, specifically, firstly, moving the glass substrate printed with the shielding member from a pre-sintering mechanism or a solidifying mechanism to a cutting mechanism by using a moving mechanism, such as a mechanical arm, and positioning the glass substrate by the cutting mechanism so that the glass substrate is located at the center of the cutting mechanism, specifically, the center of a transparent area of the glass substrate coincides with the center of the cutting mechanism, and the center of a printing area of the glass substrate coincides with the center of the cutting mechanism; after the centering of the glass substrate is completed, the cutting mechanism cuts the glass substrate printed with the shielding piece into a shape corresponding to the shape of the vehicle window glass to be manufactured according to the shape of the vehicle window glass to be manufactured; the cutting mechanism comprises a cutting knife wheel, the cutting knife wheel scores at the corresponding position of the glass substrate, stress is generated in the glass through scratches on the surface of the glass substrate, and then the glass substrate can be separated from each other along the direction of the scratches on the surface of the glass substrate through manual work or a separation tool, so that the cutting of the glass substrate is completed; more specifically, the cutting of the glass substrates with different thicknesses can be realized by controlling cutting parameters of the cutting mechanism, wherein the cutting parameters comprise cutting pressure and cutting speed, the range of the cutting pressure is 0.03-0.4 MPa, and the range of the cutting speed is 80-150 m/min.
In order to improve the operation safety of the cut glass substrate and the appearance shape and installation safety of the window glass, in step 6, the outer contour of the cut glass substrate with the shape corresponding to the shape of the window glass is ground into a circular arc shape; specifically, the outer contour of the glass substrate is ground by a grinding mechanism, the grinding mechanism comprises a grinding wheel, the grinding wheel is provided with an arc-shaped groove corresponding to the edge shape of the window glass to be manufactured, in the grinding process, the groove of the grinding wheel is correspondingly superposed with the outer contour of the glass substrate, and the grinding wheel is driven to rotate so as to rub the grinding wheel and the outer contour of the glass substrate with each other, so that the outer contour of the glass substrate is ground into an arc-shaped shape; the outer outlines of the glass substrates with different thicknesses are ground into corresponding arc shapes by controlling grinding parameters of the grinding mechanism, wherein the grinding parameters comprise grinding speed, grinding depth and grinding pressure, and preferably, the grinding speed is 6-30 m/min; in step 6, the outer contour of the glass substrate may be manually ground using a sanding belt.
Printing a shielding piece on the surface of the glass substrate, cutting the glass substrate into a shape corresponding to the vehicle window glass, grinding the outline of the outer edge of the vehicle window glass into an arc shape, and then bending and molding the glass substrate printed with the shielding piece in step 7 to form the final vehicle window glass; the method for bending and forming the glass substrate comprises hot bending forming, pressing forming, in-furnace toughening forming, rolling toughening forming and out-furnace toughening forming; according to the thickness of glass and the actual production requirement, after the glass substrates are correspondingly bent, the two glass substrates can be correspondingly overlapped, the resin layer is arranged between the two glass substrates, and then the two glass substrates and the resin layer are laminated and combined through processes such as initial pressing, high pressure and the like to form the laminated vehicle window glass.
The following will further illustrate a method for manufacturing a window glass according to the present invention with reference to the following examples
Example 1
Step 1: providing a glass substrate, wherein the area of the glass substrate is 2 square meters, and the thickness of the glass substrate is 2.1 millimeters; providing a printing member, wherein the area of a first area of the printing member is 0.46 square meter, the area of a second area of the printing member is 1.33 square meter, the shape of the first area corresponds to the shape of a printing area on the window glass to be manufactured, and the shape of the second area is the same as the shape of a transparent area on the window glass;
step 2: cleaning the glass by adopting a washing mechanism containing deionized water, and aligning a first area of the printing piece with a part to be printed on the glass substrate; aligning the second region of the printing member with a portion of the glass substrate for forming a transparent region of a window pane;
and step 3: printing a shielding piece on a part needing to be printed on the glass substrate through a first area of a printing piece by adopting a printing tool, wherein the shielding piece is ceramic ink;
and 4, step 4: drying the shielding part, and heating and curing the shielding part on the glass substrate by adopting a pre-sintering process; wherein the pre-sintering temperature is 200-610 ℃, and the pre-sintering time is 600-900 seconds;
and 5: cutting the glass substrate provided with the shielding piece into a shape corresponding to the vehicle window glass according to the shape of the vehicle window glass to be manufactured;
step 6: grinding the outer contour edge of a glass substrate with a shape corresponding to the vehicle window glass into an arc shape;
and 7: and bending and molding the glass substrate provided with the shielding part by adopting a hot bending molding or pressing molding process to obtain the final vehicle window glass.
Example 2
Step 1: providing a glass substrate, wherein the area of the glass substrate is 2 square meters, and the thickness of the glass substrate is 4.0 millimeters; providing a printing member, wherein the area of a first area of the printing member is 0.10 square meter, the area of a second area of the printing member is 0.076 square meter, the shape of the first area corresponds to the shape of a printing area on the window glass to be manufactured, and the shape of the second area is the same as the shape of a transparent area on the window glass;
step 2: cleaning the glass by adopting a washing mechanism containing deionized water, and aligning a first area of the printing piece with a part to be printed on the glass substrate; aligning the second region of the printing member with a portion of the glass substrate for forming a transparent region of a window pane;
and step 3: printing a shielding piece on a part needing to be printed on the glass substrate through a first area of a printing piece by adopting a printing tool, wherein the shielding piece is ultraviolet curing ink;
and 4, step 4: curing the shielding part by adopting a curing mechanism in an ultraviolet curing mode; wherein the working power of the curing mechanism is 28 kilowatts, the wavelength of ultraviolet light is 380 nanometers, and the curing time of the curing mechanism to the shielding piece is 15 seconds;
and 5: cutting the glass substrate provided with the shielding piece into a shape corresponding to the vehicle window glass according to the shape of the vehicle window glass to be manufactured;
step 6: grinding the outer contour edge of a glass substrate with a shape corresponding to the vehicle window glass into an arc shape;
and 7: and bending and molding the glass substrate provided with the shielding piece by adopting an external tempering process or a rolling molding process to obtain the final vehicle window glass.
Example 3
Step 1: providing a glass substrate, wherein the area of the glass substrate is 1.13 square meters, and the thickness of the glass substrate is 3.2 millimeters; providing a printing member, wherein the area of a first area of the printing member is 0.37 square meter, the area of a second area of the printing member is 0.76 square meter, the shape of the first area corresponds to the shape of a printing area on the window glass to be manufactured, and the shape of the second area is the same as the shape of a transparent area on the window glass;
step 2: cleaning the glass by adopting a washing mechanism containing deionized water, and aligning a first area of the printing piece with a part to be printed on the glass substrate; aligning the second region of the printing member with a portion of the glass substrate for forming a transparent region of a window pane;
and step 3: printing a shielding piece on a part needing to be printed on the glass substrate through a first area of a printing piece by adopting a printing tool, wherein the shielding piece is ultraviolet curing ink;
and 4, step 4: curing the shielding part by adopting a curing mechanism in an ultraviolet curing mode; wherein the working power of the curing mechanism is 25 kilowatts, the wavelength of ultraviolet light is 400 nanometers, and the curing time of the curing mechanism to the shielding part is 20 seconds;
and 5: cutting the glass substrate provided with the shielding piece into a shape corresponding to the vehicle window glass according to the shape of the vehicle window glass to be manufactured;
step 6: grinding the outer contour edge of a glass substrate with a shape corresponding to the vehicle window glass into an arc shape;
and 7: and bending and forming the glass substrate provided with the shielding piece by adopting an external toughening process or an internal toughening forming process to obtain the final vehicle window glass.
For the window glasses produced in examples 1 to 3, the distances of the outer edges of the printed portions of the window glasses from the outer edges of the respective glass substrates were respectively detected;
table 1 results of distance measurement of the outer edge of the printed portion of the window glass produced in examples 1 to 3 from the outer edge of the corresponding glass substrate
As can be seen from the above table, in the window glass manufactured by the method for manufacturing a window glass according to the present invention, the distance from the outer edge of the printed portion to the outer edge of the corresponding glass substrate is in the range of 0 to 0.3; therefore, the average distance between the outer edge of the printed part of the vehicle window glass produced by the vehicle window glass production method and the outer edge of the corresponding glass substrate is obviously reduced and the appearance shape and the printing quality of the vehicle window glass are improved compared with the vehicle window glass produced by the traditional vehicle window glass production method.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A preparation method of vehicle window glass is characterized by comprising the following steps:
step 1: providing a glass substrate, wherein the area of the glass substrate is at least 10% larger than the area of the car window glass to be manufactured; providing a printing member, wherein the printing member comprises a first area and a second area, the first area surrounds the periphery of the second area, the inner contour of the first area is coincident with the outer contour of the second area, the area of the first area is larger than that of the printing area on the vehicle window glass, and the shape of the second area is the same as that of the transparent area on the vehicle window glass;
step 2: cleaning the glass substrate, and aligning the first area of the printing member with the part to be printed on the glass substrate;
and step 3: printing the shielding part on the part needing to be printed on the glass substrate through the first area of the printing part;
and 4, step 4: curing the shield on the glass substrate;
and 5: cutting the glass substrate provided with the shielding piece into a shape corresponding to the vehicle window glass according to the shape of the vehicle window glass to be manufactured;
step 6: grinding the outer contour edge of a glass substrate with a shape corresponding to the vehicle window glass into an arc shape;
and 7: and bending and molding the glass substrate provided with the shielding piece to obtain the final vehicle window glass.
2. The method for producing a window glass according to claim 1, characterized in that: in step 1, the area of the first region of the printing member is 5% to 20% larger than the area of the printing region on the window glass.
3. The method for producing a window glass according to claim 1, characterized in that: in step 1, the shape of the first region corresponds to the shape of the printed area on the glazing.
4. The method for producing a window glass according to claim 1, characterized in that: in step 2, the shielding member is ceramic ink; in step 4, the mask on the glass substrate is cured using a pre-sintering process.
5. The method for producing a window glass according to claim 4, characterized in that: in step 4, when the shielding member on the glass substrate is cured by adopting a pre-sintering process, the pre-sintering temperature is set to be 200-610 ℃, and the pre-sintering time is set to be 600-900 seconds.
6. The method for producing a window glass according to claim 1, characterized in that: in step 2, the shielding part is ultraviolet light curing printing ink; in step 4, the mask on the glass substrate is cured using an ultraviolet curing process.
7. The method for producing a window glass according to claim 6, characterized in that: the mask includes a colorant, a polyester resin, a polydipentaerythritol pentaacrylate, and a photoinitiator.
8. The method for producing a window glass according to claim 6, characterized in that: in the step 4, when the shielding member on the glass substrate is cured by adopting an ultraviolet curing process, ultraviolet light with the wavelength of 365-405 nanometers is adopted for irradiation, and the ultraviolet irradiation time is set to be 8-30 seconds.
9. The method for producing a window glass according to claim 1, characterized in that: in step 4, the thickness of the shielding part is 15-22 microns.
10. A window glass manufactured by applying the method for manufacturing a window glass according to any one of claims 1 to 9, comprising a glass substrate and a masking member provided on a surface of the glass substrate, characterized in that: the distance between the outer contour of the shielding piece and the outer contour of the glass substrate is 0-0.3 mm.
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|---|---|---|---|
| CN202110445645.6A CN113149453A (en) | 2021-04-25 | 2021-04-25 | Preparation method of vehicle window glass |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110445645.6A CN113149453A (en) | 2021-04-25 | 2021-04-25 | Preparation method of vehicle window glass |
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| CN113149453A true CN113149453A (en) | 2021-07-23 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2137482A1 (en) * | 1993-12-08 | 1995-06-09 | Tsutomu Sakai | Window pane for automotive vehicles |
| CN202130114U (en) * | 2011-07-13 | 2012-02-01 | 福耀玻璃工业集团股份有限公司 | Automobile glass printing screen plate |
| CN104827789A (en) * | 2015-05-25 | 2015-08-12 | 福耀玻璃（重庆）有限公司 | Full-printing method for silk-screen printing of automobile glass decorating edge |
| CN105174737A (en) * | 2015-09-07 | 2015-12-23 | 福耀集团（上海）汽车玻璃有限公司 | Manufacturing method of low-emissivity coated laminated glass capable of removing film in peripheral area and being bent by drying |
| CN112159082A (en) * | 2020-09-21 | 2021-01-01 | 福耀玻璃工业集团股份有限公司 | Automobile windshield and manufacturing method thereof |
-
2021
- 2021-04-25 CN CN202110445645.6A patent/CN113149453A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2137482A1 (en) * | 1993-12-08 | 1995-06-09 | Tsutomu Sakai | Window pane for automotive vehicles |
| CN202130114U (en) * | 2011-07-13 | 2012-02-01 | 福耀玻璃工业集团股份有限公司 | Automobile glass printing screen plate |
| CN104827789A (en) * | 2015-05-25 | 2015-08-12 | 福耀玻璃（重庆）有限公司 | Full-printing method for silk-screen printing of automobile glass decorating edge |
| CN105174737A (en) * | 2015-09-07 | 2015-12-23 | 福耀集团（上海）汽车玻璃有限公司 | Manufacturing method of low-emissivity coated laminated glass capable of removing film in peripheral area and being bent by drying |
| CN112159082A (en) * | 2020-09-21 | 2021-01-01 | 福耀玻璃工业集团股份有限公司 | Automobile windshield and manufacturing method thereof |
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Application publication date: 20210723 |