CN113602015B - Interconnected 3D effect UV spray painting intelligent plate and preparation method thereof - Google Patents
Interconnected 3D effect UV spray painting intelligent plate and preparation method thereof Download PDFInfo
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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
- B41M1/26—Printing on other surfaces than ordinary paper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/14—Printing or colouring
- B32B38/145—Printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/0047—Digital printing on surfaces other than ordinary paper by ink-jet printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
- B41M7/0081—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using electromagnetic radiation or waves, e.g. ultraviolet radiation, electron beams
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Laminated Bodies (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses an interconnectable 3D effect UV spray painting intelligent plate and a preparation method thereof, wherein the plate comprises a 3D three-dimensional synchronous alignment layer, a transparent film layer, a transition layer, a UV spray painting layer and a base material from top to bottom; the UV spray painting layer comprises a surface treatment layer, a pattern layer and a protective layer, wherein the surface treatment layer is sprayed on the surface of the base material, the pattern layer is sprayed on the surface of the surface treatment layer, and the protective layer is sprayed on the surface of the pattern layer; the substrate comprises a board with integrated built-in circuits; the transition layer is coated after the spray painting of the base material is finished, the transparent film layer is paved to synchronously press and paste the patterns to form the 3D three-dimensional synchronous pattern layer, the color is vivid, the three-dimensional effect is achieved, the decoration effect is good, personalized customization can be achieved, the environment is protected, the wear resistance and scratch resistance are achieved, the adhesive force of the printing ink is strong, the color fastness is high, the fidelity is durable, the power on is safe and reliable and stable, the wiring mode is simplified, the wiring attractiveness and the construction efficiency are improved, the installation and connection are convenient, the interconnection between plates and different applications is achieved, and the popularization and the development of intelligent home are effectively promoted.
Description
Technical Field
The invention belongs to the technical field of decorative plates, and particularly relates to an interconnectable 3D effect UV spray painting intelligent plate and a preparation method thereof.
Background
With the younger consumer groups, consumers are increasingly focusing on personalization in building finishing material selection. Patent document with publication number of CN205822641U discloses an integrated intelligent board of built-in circuit, through setting up the conductor in the board body, and be provided with the coupling mechanism of connecting conductor at board body edge, simplified wiring mode, improve wiring aesthetic degree and efficiency of construction, reduce construction cost, realize the intellectuality that panel used, the convenience of installation, but integrated intelligent board of built-in circuit is difficult to realize individuation customization, 3D effect pattern and interconnection, is not in front of being in market popularization.
The UV spray painting is a novel spray painting process utilizing ultraviolet light curing ink, the output of UV spray painting patterns is completely controlled by a computer, the UV spray painting patterns can be printed at will, patterns such as character photos and portraits can be printed, the color is rich, the picture is fine and smooth, the operation is relatively simple, the UV spray painting process is widely applied to the fields of building material decoration, advertising industry, artistic decoration and the like, and the problem that the intelligent plate cannot realize personalized customization can be solved.
Although UV spray painting has formed mature production process on materials such as cardboard, ceramics, acrylic, etc., the application of UV spray painting on artificial boards has faced a lot of technical problems such as low adhesion, poor wear and scratch resistance, easy fading, etc.
On the other hand, the current UV spray painting technology is mainly realized by piling ink and paint, so that the cost is high, the production efficiency is low, the synchronous texture alignment technology can realize synchronous combination of visual texture trend and relief effect on touch sense, the 3D stereoscopic effect is presented, the UV spray painting technology is widely applied to melamine decorative boards, and the UV spray painting technology can be combined with the UV spray painting technology to present the 3D effect.
The melamine decorative board synchronous pattern alignment technology and the UV spray painting technology are combined with the built-in circuit integrated intelligent board to produce the interconnected UV spray painting intelligent decorative board with the synchronous pattern alignment 3D effect, a new application platform is provided for intelligent home, and the intelligent board is not only a major breakthrough in technology, but also a major promotion force for industry development.
Disclosure of Invention
The invention aims to provide the interconnected 3D effect UV spray-painted intelligent board which is lifelike in color, stereoscopic and vivid, high in color fastness, strong in surface performance, good in decoration effect, safe and reliable, capable of realizing intelligent interconnection, effectively improving production efficiency, reducing production and manufacturing costs and promoting popularization of intelligent home.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows:
the interconnected 3D effect UV spray painting intelligent plate comprises a 3D three-dimensional synchronous alignment layer, a transparent film layer, a transition layer, a UV spray painting layer and a base material from top to bottom; the UV spray painting layer comprises a surface treatment layer, a pattern layer and a protective layer, wherein the surface treatment layer is sprayed on the surface of the base material, the pattern layer is sprayed on the surface of the surface treatment layer, and the protective layer is sprayed on the surface of the pattern layer; the base material comprises an intelligent shaving board, a fiberboard and a plywood which are integrated with a built-in circuit; the base material is embedded with a connecting piece connected with the conductor; and coating the transition layer after the spray painting of the base material is finished, paving the transparent film layer, and synchronously laminating the patterns to form the 3D three-dimensional synchronous alignment layer.
Specifically, the 3D stereo synchronous alignment layer is formed by rolling or flattening through a synchronous alignment embossing die, the texture depth is 0.03-2 mm, the surface is enabled to form uneven with different depths to present a 3D stereo visual effect, a coarseness detector with resolution of 0.001 mu m is used, the detector is moved at the speed of 0.1-0.5 mm/s, the up-down deflection of the measuring needle detects the surface unevenness, and the measurement of the surface texture depth is realized.
Specifically, the surface treatment layer and the protective layer are both UV-cured coatings, and the pattern layer is a pattern formed by UV ink spray painting.
The preparation method of the interconnectable 3D effect UV spray painting intelligent plate comprises the following steps:
(1) The shaving board, the fiber board or the plywood is grooved through a CNC machining center to manufacture a wire groove;
(2) The conductor is pre-buried in the wire slot position and pre-fixed after being connected with the connecting piece;
(3) Cold pressing and compounding the glue passing assembly to obtain a base material, namely an intelligent shaving board, a fiber board or a plywood with integrated built-in circuit;
(4) The surface of the base material is subjected to sanding and dust removing treatment, the abrasive belt of the sanding machine is 180 meshes, a dust removing and soot blowing device is arranged at the outlet plate of the sanding machine to remove dust, the surface of the base material is smooth and free of impurities, a foundation is laid for UV spray painting, and the surface adhesive force is improved;
(5) Spraying primer on the surface of the treated substrate to form a surface treatment layer, wherein the surface treatment layer comprises an upper UV white coating and a lower UV white coating, the spraying temperature is 56-60 ℃, the thickness of the lower UV white coating is 15-20 mu m, and the thickness of the upper UV white coating is 8-10 mu m, so that the cost is saved, and the adhesive force of the UV spraying layer to the substrate can be effectively enhanced;
(6) Inputting a designed pattern, and carrying out spray painting on the surface of the surface treatment layer according to the adjusted color ink proportion to form a pattern layer, wherein the pixels of the pattern are between 900 and 1200dpi, so that the definition and color expressive force of the pattern are ensured;
(7) The UV coating is used for spray painting on the surface of the pattern layer to form a protective layer, the protective layer is a transparent UV wear-resistant coating containing 0.5-1% of nano silicon dioxide, the spray painting temperature is 56-60 ℃, the coating thickness is 10-20 mu m, the addition of the nano silicon dioxide not only improves the bonding performance and sealing effect, but also improves the heat resistance of the protective layer, and the protective layer forms a first re-protection for the pattern layer, and simultaneously enhances the wear resistance and scratch resistance of the product;
(8) And (3) spraying a transition layer on the surface of the protective layer, wherein the transition layer is transparent UV glue with the thickness of 10-15 mu m, and irradiating for 6-10 seconds under ultraviolet light with the wavelength of 365-400 nm after the spraying and coating to finish primary curing. The addition of the nano silicon dioxide not only improves the bonding performance and the sealing effect, but also improves the heat resistance of the transition layer, the transition layer forms a second protection for the pattern layer, the possibility of synchronously laminating the patterns on the UV spray painting layer is improved, the transition layer can be compatible with the UV coating and the melamine adhesive, is the key that the transparent film layer and the UV spray painting layer can be fused, and can enhance the bonding force of the transparent film layer and the UV spray painting layer;
(9) Paving a transparent film layer, performing hot press forming, paving the transparent film layer on the surface of the transition layer, entering a hot press to synchronously press and paste the patterns for trimming, and performing hot press technological parameters: the pressure is 18-22 MPa, the temperature is 120-190 ℃ and the time is 20-300 s, and the interconnected 3D effect UV spray painting intelligent plate is obtained.
Specifically, in the step (1), the appearance quality and physical and chemical properties of the shaving board, the fiber board or the plywood meet the related standard requirements, the thickness is 9-25 mm, and the formaldehyde release amount is less than or equal to 0.05mg/m 3 The width of the wire slot is 12-35 mm, the depth is 0.3-0.5 mm, and the wire slot end is provided with a groove with the width of 50mm, the depth of 30mm and the height of 5mm for embedding the connecting piece.
Specifically, in the step (2), the conductor comprises a metal strip and a twisted pair, the metal strip is made of any one of copper, iron, aluminum and other metals, the width is 8-30 mm, the thickness is 0.3-0.8 mm, the diameter of the twisted pair is 0.8-1 mm, 4 pairs of conductors are arranged side by side, the conductors are longitudinally and transversely arranged and are not conducted mutually, two ends of the conductors are respectively connected with a connecting piece, the later installation and connection are facilitated, and the interconnection between boards or applications is realized.
Specifically, in step (2), the connecting piece is buckle formula integrated piece, and the size is wide 48mm dark 30mm high 10mm, including public seat and female seat, public seat integration has the buckle component of connecting wire and paired line, female seat integration has the receiving element of connecting wire and paired line, buckle component and receiving element adaptation, buckle component and public seat be split type structure, buckle component can be on public seat lateral shifting, can adjust the position, can adapt to great error, improve fault-tolerant rate, reduce the panel extravagant, conductor and connecting piece are fixed on the wire casing in advance through staple or instantaneous adhesive, avoid shifting when the assembly complex.
Specifically, in the step (3), the glue is a water-based double-component adhesive with the solid content of 49-52%, the main components are styrene-acrylic modified polyvinyl acetate emulsion and isocyanate, the mass ratio of the styrene-acrylic modified polyvinyl acetate emulsion to the isocyanate is 100:8-12, and the sizing amount is 150-200 g/m 2 And (3) a shaving board, a fiber board or a plywood with a wire slot without embedded conductors and connecting pieces is subjected to single-sided gluing, and then is subjected to cold pressing and compounding with the shaving board, the fiber board or the plywood with the embedded conductors and connecting pieces, the wire slots of the two boards are coincident, the dislocation cannot exceed 1mm, and the cold pressing process is as follows: the pressure is 13-20 MPa, and the time is 2-3 h. After the glue is solidified, an insulating layer can be formed, the conductor and the connecting piece can be fixed, and meanwhile, the bonding strength of a substrate composite interface is ensured.
Specifically, in the step (8), the UV glue is prepared by mixing and reacting 1-2 parts by weight of nano silicon dioxide, 5-15 parts by weight of polyether ethanol, 10-30 parts by weight of methacrylate with at least one hydroxyl functional group, 5-15 parts by weight of polyol containing an ionic group, 15-30 parts by weight of aromatic polyester polyol and 30-50 parts by weight of polyisocyanate.
Specifically, in the step (9), the transparent film layer is transparent paper impregnated with modified melamine resin, the thickness is 0.1-0.15 mm, and the gram weight of the transparent paper is 25-45 g/m 2 The adhesive is small in gram weight, the adhesive dipping is poor, the gram weight greatly influences the color expressive force of patterns, the adhesive dipping amount is 110-130%, the volatile matter content is 5-7%, the pre-curing degree is 40-55%, the physical and chemical properties of the transparent paper are controlled in the range, so that quality defects are avoided when the transparent paper is pressed and pasted, the formaldehyde release amount is less than or equal to 0.5mg/L, the environment-friendly and healthy products are ensured, the transparent film layer forms third triple protection on the pattern layer, the synchronous pattern pressing and pasting on the UV spray painting layer is realized, and the surface properties such as abrasion resistance, scratch resistance, light fastness and the like of the products are improved.
Specifically, in the step (9), the synchronous pattern alignment pressing and pasting is to scan the pattern texture on the surface of the substrate through the image scanning system, analyze the deviation between the pattern texture and the position of the mold through the computer, automatically start the positioning system to adjust the position of the substrate to enable the pattern texture to be basically matched with the position of the pattern texture of the mold, then fix and press the substrate, achieve the effect that the pattern deviation is not more than 1mm, and completely solidify and fuse the transition layer and the transparent film layer together during pressing and pasting, so as to realize the fusion of the synchronous pattern alignment technology and the UV spray painting technology.
Compared with the prior art, the invention has the beneficial effects that:
(1) The integrated connecting piece of the male and female seat buckle type, which is connected with the conductor, is embedded inside the integrated intelligent board of the built-in circuit, so that the interconnection between boards and different applications is realized, the power-on is safe and reliable and stable, the wiring mode is greatly simplified, the wiring attractiveness and the construction efficiency are improved, the construction cost is reduced, the installation and connection are convenient, a platform is provided for intelligent household application, and the popularization and development of intelligent household are effectively promoted.
(2) The protective layer and the transition layer are added with nano silicon dioxide, so that the adhesive property and the sealing effect are improved, the heat resistance is improved, the transparent film layer forms triple protection for the pattern layer, and the transition layer is compatible with the UV coating and the melamine adhesive, so that the synchronous pattern pressing and pasting on the UV spray painting layer is realized, and the surface properties of the product, such as abrasion resistance, scratch resistance, light fastness and the like are improved.
(3) The intelligent board integrates the synchronous pattern alignment technology, the UV spray painting technology and the built-in circuit, realizes the breakthrough in technology, has reasonable and efficient production process and lower cost, has vivid color, high color fastness and good decoration effect, and can realize personalized customization, and the produced intelligent board with the interconnected 3D effect UV spray painting is vivid in color.
(4) Through substrate surface sanding dust removal treatment, set up the very big adhesive force that has strengthened the product of surface treatment layer and transition layer of two-layer priming paint, set up the effectual surface properties such as wear-resisting resistant scratch of having improved the product of protective layer and transparent rete, make the colour fastness of product higher, but the wear-resisting resistant scratch of interconnected 3D effect UV air brushing intelligent panel of preparation, printing ink adhesive force is strong, and color fidelity is durable, and the sexual valence relative altitude, product competitiveness is strong.
(5) The adopted base material, the composite glue, the impregnated transparent paper and the UV coating ink are all environment-friendly materials with the index lower than the national standard VOC, and the product is environment-friendly and healthy and can not have harmful effects on the environment and human body.
(6) Through image scanning system and location image computer processing analysis, realize full-automatic accurate synchronous to line and press the subsides, be no more than 1mm to the line deviation, press and merge transition layer and transparent rete complete solidification together when pasting, very big promotion is synchronous to the development of line technique and UV air brushing technique.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic structural diagram of a UV inkjet layer.
Reference numerals illustrate:
a 3D stereo synchronous alignment layer 1, a transparent film layer 2, a transition layer 3,
a UV spray painting layer 4, a base material 5, a protective layer 41, a pattern layer 42 and a surface treatment layer 43.
Detailed Description
The present invention will be further described in detail with reference to the following specific embodiments and the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present invention more apparent, but the scope of the present invention is not limited to the embodiments.
The preparation method of the 18mm interconnected UV spray painting integrated intelligent shaving board with the 3D effect and built-in circuit comprises the following steps:
(1) The appearance quality and physical and chemical properties meet the standard requirements of the shaving board, and the formaldehyde release amount is 0.03mg/m 3 The 9mm shaving board is subjected to groove milling through a CNC machining center, a groove is manufactured, the width of the groove is 12mm, the depth of the groove is 0.4mm, and a groove with the width of 50mm, the depth of 30mm and the height of 5mm is formed at the end of the groove and is used for embedding a connecting piece;
(2) The method comprises the steps of paving 4 pairs of twisted pairs with the width of 8mm and the thickness of 0.8mm on a wire slot side by side, connecting a male seat buckle type integrated connecting piece at one end, connecting a female seat buckle type integrated connecting piece at the other end, pre-fixing the copper bars, the twisted pairs and the connecting piece on the slot by using a U-shaped nail or instant adhesive, wherein the size of the male seat buckle type integrated connecting piece is 48mm wide and 30mm deep and 10mm high.
(3) The method comprises the steps of coating a single surface of a 9mm shaving board with a wire slot without embedded conductors and connectors with glue, wherein the glue is a water-based two-component adhesive, the solid content is 50%, the main components are styrene-acrylic modified polyvinyl acetate emulsion and isocyanate, the mass ratio of the styrene-acrylic modified polyvinyl acetate emulsion to the isocyanate is 100:10, and the glue application amount is 180g/m 2 Then, the composite board is combined with a 9mm shaving board assembly of a pre-buried conductor and a connecting piece in a cold pressing way, the line grooves of two boards are coincident, the dislocation cannot exceed 1mm, and the cold pressing process is as follows: the pressure is 15MPa and the time is 3 hours, and the substrate 5, namely the intelligent shaving board with integrated built-in circuit is prepared;
(4) The surface of the base material 5 is subjected to sanding and dust removing treatment, the abrasive belt of a sanding machine is 180 meshes, and a dust removing and soot blowing device is arranged at the outlet of the sanding machine to remove dust, so that the surface of the base material 5 is smooth and free of impurities;
(5) Spraying primer on the surface of the treated substrate 5 to form a surface treatment layer 43, wherein the surface treatment layer 43 comprises an upper UV white coating and a lower UV white coating, the spraying temperature is 58 ℃, the thickness of the lower UV white coating is 16 mu m, and the thickness of the upper UV white coating is 8 mu m;
(6) Inputting a designed pattern, wherein the pixels of the pattern are 1000dpi, and performing pattern spray painting on the surface of the surface treatment layer 43 according to the adjusted color ink proportion to form a pattern layer 42;
(7) Spraying a transparent UV wear-resistant coating containing 0.6% of nano silicon dioxide on the surface of the pattern layer 42 to form a protective layer 41, wherein the spraying temperature is 58 ℃, and the thickness of the coating is 12 mu m;
(8) The surface of the protective layer 41 is coated with transparent UV-containing glue to form a transition layer 3, the thickness is 13 mu m, the UV-containing glue is irradiated for 6 seconds under ultraviolet light with the wavelength of 400nm after the curtain coating to complete primary curing, and the UV-containing glue is prepared by mixing and reacting 1 part by weight of nano silicon dioxide, 10 parts by weight of polyether ethanol, 15 parts by weight of methacrylate with at least one hydroxyl functional group, 10 parts by weight of polyol containing ionic groups, 24 parts by weight of aromatic polyester polyol and 40 parts by weight of polyisocyanate;
(9) Scanning the pattern texture on the surface of the substrate 5 by an image scanning system, and analyzing by a computerThe pattern texture deviates from the position of the mould, the automatic starting and positioning system adjusts the position of the base material to enable the pattern texture to be basically matched with the position of the mould texture and then fixed, and the gram weight is 25g/m 2 The transparent paper impregnated with modified melamine resin with the gum dipping amount of 120%, the volatile matter content of 6%, the pre-curing degree of 50% and the formaldehyde release amount of 0.1mg/L is paved on the surface of the transition layer 3 to synchronously carry out texture pressing, pasting and trimming, and the hot pressing technological parameters are as follows: the pressure is 18MPa, the temperature is 180 ℃ and the time is 40s, and the 18mm interconnected UV spray painting integrated intelligent shaving board with the 3D effect and the internal circuit is obtained.
The specific structure of the plate finished product is as follows: the three-dimensional synchronous alignment layer comprises a 3D three-dimensional synchronous alignment layer 1, a transparent film layer 2, a transition layer 3, a UV spray painting layer 4 and a substrate 5 from top to bottom; the UV spray painting layer 4 includes a surface treatment layer 43, a pattern layer 42 and a protection layer 41, wherein the surface treatment layer 43 is sprayed on the surface of the substrate 5, the pattern layer 42 is sprayed on the surface of the surface treatment layer 43, and the protection layer 41 is sprayed on the surface of the pattern layer 42; the base material 5 comprises an intelligent shaving board, a fiber board and a plywood which are integrated with a built-in circuit; the base material 5 is embedded with a connecting piece connected with the conductor; and after the spray painting of the base material 5 is finished, the transition layer 3 is coated, the transparent film layer 2 is paved for synchronous pattern alignment and lamination to form the 3D three-dimensional synchronous pattern alignment layer 1.
The texture depth of the 3D stereo synchronization alignment layer 1 is 0.03-2 mm, uneven depth is formed on the surface to present a 3D stereo visual effect, a detector is moved at a speed of 0.1-0.5 mm/s by using a coarseness meter with resolution of 0.001 mu m, the uneven surface is detected by the up-down deflection of a measuring needle, and the measurement of the texture depth of the surface is realized.
Specifically, the surface treatment layer 43 and the protective layer 41 are both UV-curable coatings, and the pattern layer 42 is a pattern formed by UV ink jet printing.
Physical and chemical property tests were performed on the decorative boards prepared in this example and the ordinary spray painted decorative boards, and the results are shown in table 1:
table 1 comparison of the test results of examples and common inkjet decorative panels
As can be seen from Table 1, the interconnectable 3D effect UV spray-painted intelligent board manufactured by the invention has better adhesive force, wear resistance, scratch resistance, color fidelity durability and environmental protection than the common spray-painted decorative board, has obvious 3D stereoscopic effect and good electric conductivity, can realize interconnection, and can be widely applied to various decorative places.
Variations and modifications to the above would be obvious to persons skilled in the art to which the invention pertains from the foregoing description and teachings. Therefore, the invention is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the invention should be also included in the scope of the claims of the invention. In addition, although specific terms are used in the present invention, these terms are for convenience of description only and do not limit the present invention in any way.
Claims (7)
1. The interconnectable 3D effect UV spray painting intelligent plate is characterized by comprising a 3D three-dimensional synchronous alignment layer, a transparent film layer, a transition layer, a UV spray painting layer and a base material from top to bottom; the UV spray painting layer comprises a surface treatment layer, a pattern layer and a protective layer, wherein the surface treatment layer is sprayed on the surface of the base material, the pattern layer is sprayed on the surface of the surface treatment layer, and the protective layer is sprayed on the surface of the pattern layer;
the protective layer is a transparent UV wear-resistant coating containing nano silicon dioxide;
the transparent film layer is transparent paper impregnated with modified melamine resin;
the transition layer is transparent UV glue;
the substrate comprises an intelligent shaving board, a fiberboard or a plywood integrated with a built-in circuit; the base material is embedded with a connecting piece connected with the conductor; coating the transition layer after the spray painting of the base material is finished, paving the transparent film layer, and synchronously laminating the patterns to form the 3D synchronous alignment layer;
the preparation method of the interconnected 3D effect UV spray painting intelligent plate comprises the following steps:
(1) The shaving board, the fiber board or the plywood are grooved through a CNC machining center to manufacture the wire grooves, the thickness of the shaving board, the fiber board or the plywood is 9-25 mm, and the formaldehyde release amount is less than or equal to 0.05mg/m 3 The width of the wire slot is 12-35 mm, the depth is 0.3-0.5 mm, and the wire slot end is provided with a groove with the width of 50mm, the depth of 30mm and the height of 5mm for embedding the connecting piece;
(2) The conductor is pre-buried in the wire slot position and pre-fixed after being connected with the connecting piece;
(3) Cold pressing and compounding the glue passing assembly to obtain a base material, namely an intelligent shaving board, a fiber board or a plywood with integrated built-in circuit;
the specific operation is as follows: cold pressing and compounding a shaving board, a fiber board or a plywood which is only provided with a wire slot and is not provided with a pre-buried conductor and a connecting piece with a shaving board, a fiber board or a plywood assembly which is provided with the pre-buried conductor and the connecting piece;
(4) The surface of the base material is subjected to sanding and dust removing treatment, the abrasive belt of the sanding machine is 180 meshes, and a dust removing and soot blowing device is arranged at the outlet plate of the sanding machine for dust removal;
(5) Spraying primer on the surface of the treated substrate to form a surface treatment layer, wherein the surface treatment layer comprises an upper UV white coating and a lower UV white coating, the spraying temperature is 56-60 ℃, the thickness of the lower UV white coating is 15-20 mu m, and the thickness of the upper UV white coating is 8-10 mu m;
(6) Inputting a designed pattern, and carrying out spray painting on the surface of the surface treatment layer according to the adjusted color ink proportion to form a pattern layer, wherein the pixels of the pattern are 900-1200 dpi;
(7) Carrying out spray painting on the surface of the pattern layer by using a UV coating to form a protective layer, wherein the protective layer is a transparent UV wear-resistant coating containing nano silicon dioxide, the spray painting temperature is 56-60 ℃, and the thickness of the coating is 10-20 mu m;
(8) The surface of the protective layer is coated with a transition layer, wherein the transition layer is transparent UV glue with the thickness of 10-15 mu m, and the primary curing is completed by irradiation for 6-10 seconds under the ultraviolet light with the wavelength of 365-400 nm after the curtain coating;
the UV adhesive is prepared by mixing and reacting 1-2 parts by weight of nano silicon dioxide, 5-15 parts by weight of polyether ethanol, 10-30 parts by weight of methacrylate with at least one hydroxyl functional group, 5-15 parts by weight of polyol containing an ionic group, 15-30 parts by weight of aromatic polyester polyol and 30-50 parts by weight of polyisocyanate;
(9) Paving a transparent film layer, performing hot press forming, paving the transparent film layer on the surface of the transition layer, entering a hot press to synchronously press and paste the patterns for trimming, and performing hot press technological parameters: the pressure is 18-22 MPa, the temperature is 120-190 ℃ and the time is 20-300 s, so that the interconnected 3D effect UV spray painting intelligent plate is obtained;
the transparent film layer is transparent paper impregnated with modified melamine resin, the thickness is 0.1-0.15 mm, and the gram weight of the transparent paper is 25-45 g/m 2 The gum dipping amount is 110-130%, the volatile matter content is 5-7%, the pre-curing degree is 40-55%, and the formaldehyde release amount is less than or equal to 0.5mg/L.
2. The interconnectable 3D effect UV inkjet intelligent board according to claim 1, wherein the 3D stereoscopic synchronization alignment layer is formed by rolling or flattening a synchronization alignment embossing mold, the texture depth is 0.03 to 2mm, the detector is moved at a speed of 0.1 to 0.5mm/s by using a coarseness gauge with a resolution of 0.001 μm, the surface roughness is detected by the up-down displacement amount of the stylus, and the measurement of the surface texture depth is realized.
3. The interconnectable 3D effect UV inkjet intelligent board of claim 1, wherein the surface treatment layer and the protective layer are both UV curable coatings, and the pattern layer is a pattern formed by UV ink inkjet.
4. The method for preparing the interconnected 3D effect UV spray painting intelligent plate according to claim 1, wherein in the step (2), the conductor comprises a metal strip and a twisted pair, the metal strip is made of any one of copper, iron and aluminum, the width is 8-30 mm, the thickness is 0.3-0.8 mm, the diameter of the twisted pair is 0.8-1 mm, 4 pairs are arranged side by side, the conductor is longitudinally and transversely arranged and is not conducted, and two ends of the conductor are respectively connected with the connecting piece.
5. The method for manufacturing the interconnectable 3D effect UV inkjet intelligent board according to claim 1, wherein in the step (2), the connector is a snap-on type integrated member, the connector is 48mm wide, 30mm deep, and 10mm high, and the connector comprises a male seat and a female seat, the male seat is integrated with a snap-on element for connecting wires and twisted pairs, the female seat is integrated with a receiving element for connecting wires and twisted pairs, the snap-on element is adapted to the receiving element, the snap-on element and the male seat are in a split type structure, the snap-on element can move laterally on the male seat, and the conductor and the connector are pre-fixed on the wire slot by a staple or an instant adhesive.
6. The method for preparing the interconnectable 3D effect UV spray painting intelligent board according to claim 1, wherein in the step (3), a single-sided glue coating is performed on a groove surface of a shaving board, a fiber board or a plywood with no embedded conductor and no connecting piece in a wire groove, and then the single-sided glue coating is combined with a shaving board, a fiber board or a plywood assembly with embedded conductor and connecting piece in a cold pressing manner, the wire grooves of the two boards are coincident, the dislocation cannot exceed 1mm, and the cold pressing process comprises the following steps: the pressure is 13-20 MPa, and the time is 2-3 h.
7. The method for preparing the interconnected 3D effect UV spray painting intelligent plate according to claim 1, wherein in the step (9), the synchronous texture alignment pressing and pasting is to scan the pattern texture on the surface of the substrate through an image scanning system, the pattern texture is analyzed by a computer to be deviated from the position of the mold, the positioning system is automatically started to adjust the position of the substrate to enable the pattern texture to be basically consistent with the position of the mold texture, then the pressing and pasting is fixed, the effect that the texture deviation is not more than 1mm is achieved, and the transition layer and the transparent film layer are completely solidified and fused together while the pressing and pasting is carried out, so that the fusion of the synchronous texture alignment technology and the UV spray painting technology is realized.
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