CN113650430B - Glass surface treatment process and device based on nanoimprint and screen printing - Google Patents
Glass surface treatment process and device based on nanoimprint and screen printing Download PDFInfo
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- CN113650430B CN113650430B CN202110946395.4A CN202110946395A CN113650430B CN 113650430 B CN113650430 B CN 113650430B CN 202110946395 A CN202110946395 A CN 202110946395A CN 113650430 B CN113650430 B CN 113650430B
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- 239000011521 glass Substances 0.000 title claims abstract description 105
- 238000007650 screen-printing Methods 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000008569 process Effects 0.000 title claims abstract description 20
- 238000004381 surface treatment Methods 0.000 title claims abstract description 19
- 238000007639 printing Methods 0.000 claims abstract description 51
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 26
- 239000011347 resin Substances 0.000 claims abstract description 23
- 229920005989 resin Polymers 0.000 claims abstract description 23
- 238000001035 drying Methods 0.000 claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims abstract description 8
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 238000001127 nanoimprint lithography Methods 0.000 claims abstract description 8
- 238000000992 sputter etching Methods 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 238000000016 photochemical curing Methods 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims abstract description 4
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 239000003086 colorant Substances 0.000 claims description 3
- 238000005530 etching Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 238000001020 plasma etching Methods 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 230000000007 visual effect Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 8
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/12—Stencil printing; Silk-screen printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
- B41C1/02—Engraving; Heads therefor
- B41C1/04—Engraving; Heads therefor using heads controlled by an electric information signal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/08—Machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F19/00—Apparatus or machines for carrying out printing operations combined with other operations
- B41F19/02—Apparatus or machines for carrying out printing operations combined with other operations with embossing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/24—Inking and printing with a printer's forme combined with embossing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/26—Printing on other surfaces than ordinary paper
- B41M1/34—Printing on other surfaces than ordinary paper on glass or ceramic surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/24—Pressing or stamping ornamental designs on surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2215/00—Screen printing machines
- B41P2215/50—Screen printing machines for particular purposes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Surface Treatment Of Glass (AREA)
- Printing Methods (AREA)
Abstract
The invention provides a glass surface treatment process and a glass surface treatment device based on nanoimprint lithography and screen printing, which specifically comprise the following steps: preparing a screen printing device; horizontally placing a template on a printing table, wherein the upper surface of the template is a plane and is coated with photoresist; printing ink is poured into one end of the screen printing plate, and the printing ink is extruded onto the photoresist from meshes of the image-text part by a scraper in moving; carrying out ion etching on the template; cleaning glass, printing an ink layer on the back of the glass, and drying; coating a resin layer on the front surface of the glass, pressing a pattern on the resin layer by adopting a template, and carrying out photocuring drying on the resin layer with the pattern; and removing the template. The glass surface treatment process and device based on nanoimprint lithography and screen printing provided by the invention are used for treating the surface of household appliance glass, so that the color of the household appliance glass has the visual effects of freshness, transparency, brightness and flashing, the defects of the traditional screen printing are overcome, and the whole production process also has the advantage of environmental protection.
Description
Technical Field
The invention belongs to the technical field of glass surface treatment, and particularly relates to a glass surface treatment process and device based on nanoimprint lithography and screen printing.
Background
The household appliance industry is one of a few industries with international competitiveness in China and is also representative of the manufacturing industry in China. The global proportions of the air conditioner, color TV, washing machine, refrigerator and the like in China are 95%, 62%, 42% and 41% respectively. China is the largest home appliance consumption market in the world, production enterprises are numerous, the industrial chain is perfect, the home appliance enterprises have more advanced production lines, and the home appliance enterprises in China have stronger international competitiveness in the aspects of profitability and product cost performance. The household appliance industry is the largest carrier of 'consumption upgrade' of the current Chinese residents and also is a global industry integrator.
Household appliance glass plays an important role in the household appliance industry, more than 70% of household appliances in markets at present are made of glass panels, the main reason is that the printing process is widely applied to the glass industry, so that the glass surface has four visual effects of freshness, transparency, brightness and flashing, and the glass is very high in strength and not easy to break after being tempered. The development of printing technology for household appliance glass plays a crucial role in promoting the household appliance sales industry. The printing technology that traditional household electrical appliances glass adopted is traditional screen printing, toasts through the drying furnace many times, and the color collocation and style texture are made in the superposition of printing number of times, have overprinting many times, and the rejection rate is high, the big disadvantage of color deviation, and produces a large amount of smells at the stoving in-process, the polluted environment, the energy consumption is high. Therefore, there is a need for an improved printing process for home appliance glass that can solve the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a glass surface treatment process and a glass surface treatment device based on nanoimprint lithography and screen printing, which solve the technical problem of how to treat the surface of household appliance glass, ensure that the color of the household appliance glass has the visual effects of freshness, transparency, brightness and flashing, change the defects of the traditional screen printing and ensure that the whole production process has the advantage of environmental protection.
The glass surface treatment process based on nanoimprint and screen printing specifically comprises the following steps:
step S1: preparing a screen printing device, wherein the screen printing device specifically comprises a screen printing plate, a scraper and printing ink, the screen printing plate takes a screen as a plate base, and pictures and texts are carried on the screen by a photosensitive plate making method;
step S2: horizontally placing a template on a printing table, horizontally placing the screen printing plate right above the template, wherein the upper surface of the template is a plane and is coated with photoresist, and the photoresist is tightly attached below the screen;
and step S3: pouring printing ink into one end of the screen printing plate, applying certain pressure to the printing ink part on the screen printing plate by using the scraper, moving towards the other end of the screen printing plate at a constant speed, and extruding the printing ink onto the photoresist from meshes of the image-text part by using the scraper in the moving process;
and step S4: carrying out ion etching on the template coated with the photoresist to obtain a nano pattern with the shape consistent with that of the image-text on the silk screen;
step S5: cleaning glass, printing an ink layer on the back of the glass, and drying the ink layer to obtain a cured ink layer;
step S6: coating a resin layer on the front surface of the glass, pressing a pattern on the resin layer by adopting a template, and carrying out photocuring drying on the resin layer with the pattern to form a texture layer;
step S7: and removing the template to obtain the household appliance glass with the surface treated.
Preferably, in step S2, the template is a silicon-based template.
In the step S4, the photoresist with the pictures and texts is etched by adopting a plasma etcher, and corresponding picture and text nanometer patterns are displayed on the solidified photoresist.
In the step S5, the ink layer is provided with three layers which are sequentially connected, and the ink layer is respectively transparent UV ink, metal ink and protective ink from inside to outside, and the UV ink is attached to the surface of the household appliance glass.
The thickness of the UV printing ink is 30-40 mu m, the metal printing ink is formed by mixing colors of high-brightness silver paste, the reflecting layer is endowed with free colors, the thickness is 10-20 mu m, the protective printing ink is used for protecting the high-brightness printing ink layer or the metal film, and the thickness is 10-20 mu m.
The glass surface treatment device based on nanoimprint lithography and screen printing comprises a screen printing plate, two transverse slide rails, a template and household appliance glass, wherein the screen printing plate is horizontally arranged, the two transverse slide rails are respectively horizontally arranged below two sides of the screen printing plate, the template can slide along the two transverse slide rails, the household appliance glass is arranged below the two transverse slide rails, two ends of the template are respectively hinged to two sliding blocks, and the sliding blocks are arranged in transverse sliding chutes in the transverse slide rails;
the household appliance glass is arranged on the rotating frame, the template can also be in contact with the household appliance glass in a vertically sliding manner, photoresist is arranged on one bottom surface of the template, and a heating assembly is arranged on the other bottom surface of the template;
one end of the screen printing plate is hinged to the support, the two transverse sliding rails are arranged on the support, and the rotating frame can be horizontally positioned on the support.
The both ends of template are provided with the perforating hole, the both ends of perforating hole are provided with flexible post respectively, are close to the inner lateral part of flexible post is provided with the screw hole, a lateral part of template is provided with rectangular through-hole, passes the removal screw rod of rectangular through-hole with the screw hole is connected, the separable setting in outer end of flexible post is in the horizontal spout.
The sliding block is arranged in the vertical sliding groove in a vertically movable mode, the top end of the vertical sliding rail is connected with the transverse sliding rail, and the bottom end of the vertical sliding rail is arranged on the support.
The rotating frame comprises a fixed part and a movable part, the fixed part comprises a positioning shaft and a rotating block, the positioning shaft is horizontally arranged on the side surface of the vertical sliding rail, the rotating block is hinged on the positioning shaft, the movable part is detachably arranged on the fixed part, and the household appliance glass is arranged on the movable part;
the movable part is including passing the T type strip of fixed part outside portion, with two the blend stop that T type strip one end is connected, be provided with spacing on the T type strip, one side of rotatory piece is supported and is leaned on the spacing, the upper and lower below of fixed part all is provided with T type strip, two about household electrical appliances glass's upper and lower card is established between the T type strip, household electrical appliances glass's one end supports and leans on the blend stop.
The bracket is also provided with a limiting support component; the limiting support assembly comprises an arc-shaped plate arranged below the rotating frame, and a first support rod and a second support rod which are respectively arranged on two sides of the rotating frame, the circular center of the arc-shaped plate is the center of the positioning shaft, the first support rod and the second support rod are slidably arranged on a support slide rail, and the support slide rail is arranged on the support;
the two ends of the rotating frame are horizontally arranged on the first supporting rod and the second supporting rod respectively, and one end of the rotating frame is rotatably abutted against the inner side face of the arc-shaped plate.
The two ends of the screen printing plate are respectively provided with a lapping block and an embedding block, the embedding block is arranged in an open slot of the rotating block, a bolt penetrates through the side part of the rotating block and is connected with the embedding block, the rotating block is hinged on the fixed seat, and the fixed seat is arranged on the bracket;
the lapping block and the embedding block are respectively arranged on the upper end face of the transverse sliding rail.
The invention achieves the following remarkable effects:
(1) The scheme breaks through the traditional screen printing technology, adopts the mode of combining the advanced nano-imprinting technology with the traditional screen printing technology, and develops the household appliance colored crystal glass with the nano-ultra-fine textures, the glass has the excellent performances of high strength, safety and thermal shock resistance, and also has the ultra-fine nano-textures, and the patterns have more stereoscopic impression, spatial impression and naturalness;
in addition, through the combination of the two technologies, the combination of the pattern texture and the color can be realized to present a 3D stereoscopic effect with strong multi-vision metal texture, the combination is presented on the surface of the glass, the texture and the pattern can be engraved on the die for one-time processing, the problems of overlapping, nesting and contraposition of the traditional printing technology are perfectly avoided, the one-time revolutionary upgrade of the traditional silk-screen printing is broken through, and the traditional silk-screen printing unilateral printing technology is not comparable at all;
(2) On new process development, adopt novel environmental protection resin material to combine traditional printing ink printing, reduce the harmful gas that printing ink stoving in-process produced, adopt mould sculpture 3D texture to combine the pattern, use LED ultraviolet curing equipment, once only solidify and reach traditional printing and stack effect many times, reduce energy consumption, the outward appearance presents multi-level three-dimensional many D effect, and the product is more meticulous. The pattern printed by the scheme has the three-dimensional attractive effect, and also has the excellent performances of hardness, wear resistance and fastness;
(3) The glass surface treatment device is designed in the scheme, wherein the screen printing plate is of a detachable structure, so that the screen printing plate can be detached when being replaced, and is convenient to mount;
the screen printing machine is provided with the transverse sliding rails, the template can move to the position below the screen printing plate along the transverse sliding rails, meanwhile, the template can also move to the position of the vertical sliding rails, and the screen printing process and the glass printing process are smoothly combined, so that not only is the space saved, but also the production efficiency is improved;
(4) The template and the household appliance glass are respectively designed into rotatable structures, so that the operation flexibility is greatly improved, for example, after the template is printed under a screen printing plate, the template moves to the position of an opening of a transverse sliding rail, the photoresist on the template is subjected to ion etching, after the printing is finished, the template is rotated by 180 degrees, the printing surface of the template faces towards the glass, and because the environment-friendly UV resin is arranged on one surface of the glass, the template is contacted with the UV resin, the UV resin on the glass presents textures and patterns;
and then, rotating the glass by 180 degrees, coating an ink layer on the other surface of the glass, and drying to obtain the household appliance glass with excellent surface color.
Drawings
FIG. 1 is a schematic view showing the construction of an apparatus for surface treatment of glass in an embodiment of the present invention.
Fig. 2 is a view showing a structure of connection of a screen plate in the embodiment of the present invention.
Fig. 3 is a structural diagram of a template in an embodiment of the present invention.
FIG. 4 is a schematic view showing the structure of a glass imprint apparatus according to an embodiment of the present invention.
FIG. 5 is a structural view of a glass rotating mechanism according to an embodiment of the present invention.
Fig. 6 is a front view of a rotating block in an embodiment of the present invention.
Fig. 7 is a structural view of a stopper bar and a barrier bar in an embodiment of the present invention.
Wherein the reference numbers are: 1. a wire mesh frame; 1-1, a lap joint block; 2. a wire mesh; 3. embedding a block; 4. rotating the block; 4-1, bolts; 5. a fixed seat; 6. a transverse slide rail; 6-1, a magnet sheet; 6-2, opening; 7. a vertical slide rail; 8. t-shaped strips; 8-1, rotating the block; 8-2, a barrier strip; 8-3, a limiting groove; 8-4, a limiting strip; 9. a first support rod; 9-1, a first pull rod; 10. an arc-shaped plate; 11. household appliance glass; 12. supporting the slide rail; 13. a second supporting rod; 13-1, a second pull rod; 14. a support column; 15. a template; 15-1, a slide block; 15-2, heating parts; 15-3, a telescopic column; 15-4, moving the screw.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is described below by way of specific embodiments.
The glass surface treatment process based on nanoimprint and silk screen 2 printing specifically comprises the following steps of:
step S1: preparing a screen 2 printing device, which specifically comprises a screen printing plate, a scraper plate and ink, wherein the screen printing plate takes the screen 2 as a plate base, and the screen 2 is provided with pictures and texts by a photosensitive plate making method;
step S2: horizontally placing a template 15 on a printing table, horizontally placing a screen printing plate right above the template 15, wherein the upper surface of the template 15 is a plane and is coated with photoresist, and the photoresist is tightly attached below the screen 2;
and step S3: pouring printing ink into one end of the screen printing plate, applying certain pressure to the printing ink part on the screen printing plate by using a scraper, moving towards the other end of the screen printing plate at a constant speed, and extruding the printing ink onto the photoresist from meshes of the image-text part by using the scraper in the moving process;
and step S4: performing ion etching on the template 15 coated with the photoresist to obtain a nano pattern with the shape consistent with that of the image-text on the silk screen 2;
step S5: cleaning glass, printing an ink layer on the back of the glass, and drying the ink layer to obtain a cured ink layer;
step S6: coating a resin layer on the front surface of the glass, pressing a pattern on the resin layer by adopting a template 15, and carrying out photocuring drying on the resin layer with the pattern to form a texture layer;
step S7: and removing the template 15 to obtain the household appliance glass 11 with the surface treated.
More preferably, in step S2, the template 15 is a silicon-based template 15.
And S4, etching the photoresist with the pictures and texts by using a plasma etching machine, and displaying corresponding picture and text nano patterns on the cured photoresist.
In the step S5, the ink layer comprises three layers which are sequentially connected, wherein transparent UV ink, metal ink and protective ink are respectively arranged from inside to outside, and the UV ink is attached to the surface of the household appliance glass 11.
The thickness of the UV printing ink is 30-40 mu m, the metal printing ink is high-brightness silver paste for color mixing, the free color is endowed to the reflecting layer, the thickness is 10-20 mu m, the protective printing ink is used for protecting the high-brightness printing ink layer or the metal film, and the thickness is 10-20 mu m.
Referring to fig. 1, the glass surface treatment device based on nanoimprint lithography and screen 2 printing comprises a screen printing plate which is horizontally arranged, two transverse slide rails 6 which are horizontally arranged below two sides of the screen printing plate respectively, a template 15 which can slide along the two transverse slide rails 6, and household appliance glass 11 which is arranged below the two transverse slide rails 6, wherein two ends of the template 15 are hinged on two sliding blocks 15-1 respectively, and the sliding blocks 15-1 are arranged in transverse sliding chutes in the transverse slide rails 6;
the household appliance glass 11 is arranged on the rotating frame, the template 15 can also be in contact with the household appliance glass 11 in a vertically sliding manner, photoresist is arranged on one bottom surface of the template 15, and a heating assembly is arranged on the other bottom surface of the template 15;
one end of the screen printing plate is hinged on the support, the two transverse sliding rails 6 are arranged on the support, and the rotating frame can be horizontally positioned on the support.
Referring to fig. 3, through holes are formed at both ends of the mold plate 15, telescopic columns 15-3 are respectively formed at both ends of the through holes, threaded holes are formed at the side portions near the inner ends of the telescopic columns 15-3, a long through hole is formed at one side portion of the mold plate 15, a moving screw 15-4 penetrating through the long through hole is connected with the threaded holes, and the outer ends of the telescopic columns 15-3 are detachably arranged in the transverse sliding grooves.
When the template 15 can horizontally slide on the transverse sliding rail 6, the telescopic columns 15-3 are arranged in the transverse sliding grooves, so that the effect of balancing the template 15 is achieved, and when the template 15 rotates, the telescopic columns 15-3 can be pulled out of the transverse sliding grooves.
An opening 6-2 is formed in the lower portion of the transverse sliding groove and close to the end portion of the transverse sliding rail 6, a vertical sliding rail 7 is arranged below the opening 6-2, a vertical sliding groove is formed in the vertical sliding rail 7, the width of the vertical sliding groove is identical to that of the opening 6-2, a sliding block 15-1 is movably arranged in the vertical sliding groove up and down, the top end of the vertical sliding rail 7 is connected with the transverse sliding rail 6, and the bottom end of the vertical sliding rail 7 is arranged on the support.
The vertical sliding rails 7 also serve as supports, namely horizontal sliding rails, supporting columns 14 are arranged at one ends, close to the screen printing plate, of the supports, and the supporting columns 14 and the vertical sliding rails 7 jointly play a role in supporting the horizontal sliding rails.
One end part of the transverse slide rail 6 is closed, and the other end part is closed through the magnet sheet 6-1, so that the installation and the disassembly of the template 15 are greatly facilitated, and the template is prevented from sliding out of the transverse slide rail 6.
Referring to fig. 4, 5, 6 and 7, the rotating frame comprises a fixed part and a movable part, the fixed part comprises a positioning shaft and a rotating block 8-1, the positioning shaft is horizontally arranged on the side surface of the vertical sliding rail 7, the rotating block 8-1 is hinged on the positioning shaft, the movable part is detachably arranged on the fixed part, and the household appliance glass 11 is arranged on the movable part;
the movable part comprises a T-shaped strip 8 penetrating through the outer side part of the fixed part and a barrier strip 8-2 connected with one end of the two T-shaped strips 8, a limiting strip 8-4 is arranged on the T-shaped strip 8, one side of the rotating block 8-1 is abutted against the limiting strip 8-4, the T-shaped strips 8 are arranged above and below the fixed part, the upper part and the lower part of the household appliance glass 11 are clamped between the upper T-shaped strip 8 and the lower T-shaped strip 8, and one end of the household appliance glass 11 is abutted against the barrier strip 8-2.
The rotating block 8-1 is provided with a limiting groove 8-3, and the T-shaped strip 8 is arranged in the limiting groove 8-3.
The structural design of the rotating frame can ensure the rotating motion of the household appliance glass 11 and prevent the household appliance glass from being separated, and on the other hand, when the T-shaped strip 8 or the household appliance glass 11 needs to be taken out, the household appliance glass can be taken out smoothly.
The bracket is also provided with a limiting support component; the limiting support assembly comprises an arc-shaped plate 10 arranged below the rotating frame, a first support rod 9 and a second support rod 13 which are respectively arranged on two sides of the rotating frame, the circular center of the arc-shaped plate 10 is the center of the positioning shaft, the first support rod 9 and the second support rod 13 are slidably arranged on a support slide rail 12, and the support slide rail 12 is arranged on the support;
two ends of the rotating frame are horizontally arranged on the first supporting rod 9 and the second supporting rod 13 respectively, and one end of the rotating frame is rotatably abutted against the inner side face of the arc-shaped plate 10.
Preferably, a first pull rod 9-1 and a second pull rod 13-1 are respectively arranged on the outer sides of the first support rod 9 and the second support rod 13 for facilitating the operation of people.
The first support rod 9 and the second support rod 13 can move along the support slide rail 12, so that the household appliance glass 11 can be conveniently supported, and the household appliance glass 11 can be in a horizontal state.
Referring to fig. 2, two ends of a screen printing plate are respectively provided with a lapping block 1-1 and an embedding block 3, the embedding block 3 is arranged in an open slot of a rotating block 4, a bolt 4-1 is arranged on the side part of the rotating block 4 in a penetrating way and connected with the embedding block 3, the rotating block 4 is hinged on a fixed seat 5, and the fixed seat 5 is arranged on a bracket;
the lapping blocks 1-1 and the embedding blocks 3 are respectively arranged on the upper end faces of the transverse slide rails 6.
The structure design of the screen printing plate is mainly used for facilitating mounting and dismounting.
The specific working process of the invention is as follows:
firstly, preparing a silk screen printing plate, fixing a silk screen 2 on a silk screen frame 1, and positioning the silk screen printing plate on a rotating block 4, so that the silk screen printing plate can rotate around a hinged point of the rotating block 4, and the embedded block 3 and the lapping block 1-1 are arranged on the upper end face of a transverse sliding rail 6;
coating photoresist on the upper end face of the template 15, moving the template 15 to the position below a screen printing plate, using the template 15 as a printing plate, pouring printing ink onto the screen 2, using a scraper to enable the template 15 to present grain patterns on the screen 2, after that, moving the template 15 to a position close to a notch 6-2 of the transverse slide rail 6, using an ion etching machine to etch the photoresist, wherein the ion etching machine can be placed beside the transverse slide rail 6;
after etching is finished, rotating the template 15 for 180 degrees, then moving the template to the position of the notch 6-2, moving the template downwards along the vertical sliding rail 7, horizontally placing the household appliance glass 11 at the moment, coating the environment-friendly UV resin on the household appliance glass 11, heating the UV resin at the moment, contacting an etched surface of the template 15 with the environment-friendly resin, displaying a pattern on the template 15 under the action of extrusion force, and drying the environment-friendly UV resin after ultraviolet light curing;
lifting the template 15 onto the transverse sliding rail 6, rotating the household appliance glass 11 to rotate 180 degrees, coating an ink layer on the other surface of the household appliance glass 11, wherein the ink layer comprises three layers which are sequentially connected, and the ink layer comprises transparent UV ink, metal ink and protective ink from inside to outside, and the UV ink is attached to the surface of the household appliance glass 11 and is dried;
when the household appliance glass 11 is heated, the heating part 15-2 is arranged on the template 15, so that the heating part 15-2 can be contacted with the UV resin, the operation is convenient, and the energy is saved; at this time, the heating element is first contacted with the UV resin, and after heating, the template is rotated 180 degrees, and the ion etching layer on the template is contacted with the UV resin.
In addition, because the household appliance glass 11 is limited by the upper T-shaped strip 8 and the lower T-shaped strip 8, when the template 15 is contacted with the household appliance glass 11, the T-shaped strip 8 at the upper end is removed, so that the template 15 is completely contacted with the household appliance glass 11; when the household appliance glass 11 needs to be rotated, the two T-shaped strips 8 can limit the household appliance glass 11, meanwhile, in order to prevent the household appliance glass 11 from sliding out of the T-shaped strips 8 in the rotating process, the arc-shaped plate 10 is arranged, so that the barrier strips 8-2 are in contact with the arc-shaped plate 10, the arc-shaped plate 10 can limit the barrier strips 8-2, and meanwhile, as the limit strips 8-4 are arranged at one side close to the barrier strips 8-2, when the T-shaped strip 8 at the upper end is taken out, the T-shaped strip 8 directly slides out of the rotating block 8-1;
because the top surface of arc 10 and the high parallel and level of 11 horizontality of household electrical appliances glass, consequently when taking out T type strip 8, need set up 11 slopes of household electrical appliances glass, the side can be with T type board roll-off.
The product is successfully applied to the panel glass of the refrigerator, the beginning of the 113D three-dimensional fine texture expression of the household appliance glass is created, the appearance of the household appliance is brought into a new era of 3D three-dimensional effect, the product is a technical revolution, and the product leads the trend of industry development; meanwhile, the household appliance glass 11 can be promoted to develop towards the direction of energy saving and environmental protection, so that the international market competition position of the Chinese household appliance industry is improved.
The technical features of the present invention which are not described in the above embodiments may be implemented by or using the prior art, and are not described herein again, of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and variations, modifications, additions or substitutions which may be made by those skilled in the art within the spirit and scope of the present invention should also fall within the protection scope of the present invention.
Claims (3)
1. The glass surface treatment process based on nanoimprint lithography and screen printing is characterized by comprising the following steps:
step S1: preparing a screen printing device, which specifically comprises a screen printing plate, a scraper plate and ink, wherein the screen printing plate takes a screen as a plate base, and the screen is provided with pictures and texts by a photosensitive plate making method;
the glass surface treatment device comprises a screen printing plate, two transverse sliding rails, a template and household appliance glass, wherein the screen printing plate is horizontally arranged, the two transverse sliding rails are respectively horizontally arranged below two sides of the screen printing plate, the template can slide along the two transverse sliding rails, the household appliance glass is arranged below the two transverse sliding rails, two ends of the template are respectively hinged to two sliding blocks, and the sliding blocks are arranged in transverse sliding grooves in the transverse sliding rails;
the household appliance glass is arranged on the rotating frame, the template can also be in contact with the household appliance glass in a vertically sliding manner, photoresist is arranged on one bottom surface of the template, and a heating assembly is arranged on the other bottom surface of the template;
one end of the screen printing plate is hinged to the support, the two transverse sliding rails are arranged on the support, and the rotating frame can be horizontally positioned on the support;
through holes are formed in two end portions of the template, telescopic columns are arranged at two ends of the through holes respectively, threaded holes are formed in the side portions, close to the inner ends of the telescopic columns, of the template, long-strip-shaped through holes are formed in one side portion of the template, moving screws penetrating through the long-strip-shaped through holes are connected with the threaded holes, and the outer ends of the telescopic columns are detachably arranged in the transverse sliding grooves;
a notch is arranged at the position close to the end part of the transverse sliding rail and at the lower part of the transverse sliding chute, a vertical sliding rail is arranged below the notch, a vertical sliding chute is arranged on the vertical sliding rail, the width of the vertical sliding chute is consistent with that of the notch, the sliding block is movably arranged in the vertical sliding chute up and down, the top end of the vertical sliding rail is connected with the transverse sliding rail, and the bottom end of the vertical sliding rail is arranged on the bracket;
the rotating frame comprises a fixing part and a moving part, the fixing part comprises a positioning shaft and a rotating block, the positioning shaft is horizontally arranged on the side surface of the vertical sliding rail, the rotating block is hinged on the positioning shaft, the moving part is detachably arranged on the fixing part, and the household appliance glass is arranged on the moving part;
the movable part comprises a T-shaped strip penetrating through the outer side part of the fixed part and a blocking strip connected with one end of the two T-shaped strips, a limiting strip is arranged on the T-shaped strip, one side of the rotating block abuts against the limiting strip, the T-shaped strips are arranged above and below the fixed part, the upper part and the lower part of the household appliance glass are clamped between the upper T-shaped strip and the lower T-shaped strip, and one end of the household appliance glass abuts against the blocking strip;
step S2: horizontally placing a template on a printing table, horizontally placing the screen printing plate right above the template, wherein the upper surface of the template is a plane and is coated with photoresist, and the photoresist is tightly attached below the screen;
and step S3: pouring printing ink into one end of the screen printing plate, applying certain pressure to the printing ink part on the screen printing plate by using the scraper, moving towards the other end of the screen printing plate at a constant speed, and extruding the printing ink onto the photoresist from meshes of the image-text part by using the scraper in the moving process;
and step S4: carrying out ion etching on the template coated with the photoresist to obtain a nano pattern with the shape consistent with that of the image-text on the silk screen;
specifically, etching the photoresist with the pictures and texts by using a plasma etching machine, and displaying corresponding picture and text nanometer patterns on the cured photoresist;
step S5: cleaning glass, printing an ink layer on the back of the glass, and drying the ink layer to obtain a cured ink layer;
specifically, the ink layer comprises three layers which are sequentially connected, and transparent UV ink, metal ink and protective ink are respectively arranged from inside to outside, and the UV ink is attached to the surface of the household appliance glass;
the thickness of the UV printing ink is 30-40 mu m, the metal printing ink is prepared by mixing colors of highlight silver paste, a free color is endowed to the reflecting layer, the thickness is 10-20 mu m, the protective printing ink is used for protecting a highlight printing ink layer or a metal film, and the thickness is 10-20 mu m;
step S6: coating a resin layer on the front surface of the glass, pressing a pattern on the resin layer by adopting a template, and carrying out photocuring drying on the resin layer with the pattern to form a texture layer;
step S7: and removing the template to obtain the household appliance glass with the surface treated.
2. The nanoimprint and screen printing-based glass surface treatment process of claim 1, wherein a spacing support assembly is further disposed on the support; the limiting support assembly comprises an arc-shaped plate arranged below the rotating frame, and a first support rod and a second support rod which are respectively arranged on two sides of the rotating frame, the circular center of the arc-shaped plate is the center of the positioning shaft, the first support rod and the second support rod are slidably arranged on a support slide rail, and the support slide rail is arranged on the support;
the two ends of the rotating frame are horizontally arranged on the first supporting rod and the second supporting rod respectively, and one end of the rotating frame is rotatably abutted against the inner side face of the arc-shaped plate.
3. The glass surface treatment process based on nanoimprint and screen printing as defined in claim 2, wherein a lapping block and an embedding block are respectively disposed at two ends of the screen printing plate, the embedding block is disposed in an open slot of a rotation block, a bolt is inserted through a side portion of the rotation block and connected to the embedding block,
the rotating block is hinged on a fixed seat, and the fixed seat is arranged on the bracket;
the lapping block and the embedding block are respectively arranged on the upper end face of the transverse sliding rail.
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| CN115139636B (en) * | 2022-09-05 | 2022-12-20 | 龙口科诺尔玻璃科技有限公司 | Photovoltaic glass printing device based on UV imprinting technology and printing process thereof |
| CN117021806B (en) * | 2023-10-08 | 2023-12-22 | 龙口科诺尔玻璃科技有限公司 | Reflecting glass printing process and printing device based on UV nanoimprint technology |
| CN117087327B (en) * | 2023-10-20 | 2023-12-22 | 龙口科诺尔玻璃科技有限公司 | Glass printing device and printing method based on UV nanoimprint |
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| CN101923279B (en) * | 2009-06-09 | 2012-03-28 | 清华大学 | Nano-imprint template and preparation method thereof |
| CN204414764U (en) * | 2014-12-30 | 2015-06-24 | 衢州市众诚玻璃有限公司 | A kind of silk-screen printing device at glass surface printed patterns |
| CN209955545U (en) * | 2019-01-23 | 2020-01-17 | 龙口科诺尔玻璃科技有限公司 | Glass printing machine |
| CN211363877U (en) * | 2019-11-06 | 2020-08-28 | 苏州恒龙信达电子有限公司 | Screen printing device for processing mobile phone cover plate glass |
| CN112897896A (en) * | 2021-03-15 | 2021-06-04 | 龙口科诺尔玻璃科技有限公司 | HTMI-based colored crystal glass production process and production equipment thereof |
| CN113022179A (en) * | 2021-03-15 | 2021-06-25 | 龙口科诺尔玻璃科技有限公司 | TMI-based colored crystal glass treatment process and high-speed imprinting device thereof |
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Denomination of invention: Glass surface treatment process and device based on nanoimprinting and screen printing Effective date of registration: 20231117 Granted publication date: 20221220 Pledgee: China Everbright Bank Limited by Share Ltd. Yantai branch Pledgor: LONGKOU KENUOER GLASS TECHNOLOGY Co.,Ltd. Registration number: Y2023980066300 |
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