CN117841131A - Processing method of baking varnish wood grain finished board - Google Patents

Processing method of baking varnish wood grain finished board Download PDF

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Publication number
CN117841131A
CN117841131A CN202410160994.7A CN202410160994A CN117841131A CN 117841131 A CN117841131 A CN 117841131A CN 202410160994 A CN202410160994 A CN 202410160994A CN 117841131 A CN117841131 A CN 117841131A
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China
Prior art keywords
blank plate
conveying
paint
wood
curing
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Pending
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CN202410160994.7A
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Chinese (zh)
Inventor
夏耀强
夏耀权
周蓉芬
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Zhejiang Mufeng Home Furnishings Co ltd
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Zhejiang Mufeng Home Furnishings Co ltd
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Application filed by Zhejiang Mufeng Home Furnishings Co ltd filed Critical Zhejiang Mufeng Home Furnishings Co ltd
Priority to CN202410160994.7A priority Critical patent/CN117841131A/en
Publication of CN117841131A publication Critical patent/CN117841131A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a processing method of a baking varnish wood grain finished board, which comprises the following steps: s1, pretreatment: coating paint on the blank plate for multiple times to prepare a primary blank plate; s2, wood grain printing: carrying out secondary monochromatic printing on the surface of the primary blank plate to obtain a secondary blank plate with three-dimensional wood grains on the surface; s3, pore pressing of the plate: conveying the secondary blank plate into a hole pressing machine to press wood grains and pores to prepare a tertiary blank plate with wood grains and pores; s4, spraying protective paint: and spraying and curing the three-time blank plate for multiple times to obtain the wood grain plate. According to the invention, wood grain pores with solid wood boards are pressed on the surface of the board printed with the three-dimensional wood grains, so that the similarity between the wood boards is improved by up to 99%, the existing pressed natural veneer finished product is replaced, and the production cost is effectively reduced.

Description

Processing method of baking varnish wood grain finished board
Technical Field
The invention relates to the technical field of wood and plate surface processing, in particular to a processing method of a baking varnish wood grain finished plate.
Background
The conventional board is a board or a molded product which is formed by taking natural wood, non-wood plants and inorganic nonmetallic materials as raw materials, separating the raw materials into various unit materials through mechanical processing, and gluing the unit materials with other additives under the condition of applying or not applying adhesive, and mainly comprises a solid wood multilayer board, an European pine board, a medium density fiberboard and the like.
Based on the problems of scarcity of solid wood board resources, high cost and the like, the conventional board is generally rolled and adhered with a layer of 50-wire solid wood skin on the surface of the conventional board in order to be consistent with the surface effect of the solid wood at present, and the board adhered with the solid wood skin is similar to the solid wood board, but is easy to foam and change color in the use process due to being adhered on the surface of the board, and the production cost of the solid wood skin is very high.
Disclosure of Invention
The invention aims to provide a processing method of a baking varnish wood grain finished board, which is characterized in that solid wood grains are printed on the surface of the board, and solid wood grain pores are pressed out on the board in a hole pressing mode, so that the technical problem that the existing solid wood skin is easy to foam, fall off and change color is solved, and the board with the same color line as the solid wood surface is obtained.
In order to achieve the above purpose, the present invention provides the following technical solutions: a processing method of a baking varnish wood grain finished board comprises the following steps:
s1, pretreatment: the blank plate is subjected to a plurality of coating paint curing procedures to prepare a primary blank plate;
s2, wood grain printing: performing secondary single-color printing on the surface of the primary blank plate to obtain a secondary blank plate with wood grains on the surface;
s3, wood grain pore pressing: conveying the secondary blank plate into a hole pressing machine for pressing wood grain pores to prepare a tertiary blank plate with wood grain pores;
s4, spraying and curing protective paint: and (3) carrying out paint spraying and curing on the three-time blank plate for multiple times to obtain the wood grain plate.
As a preferable scheme of the invention, a relief plate is arranged in the hole pressing machine in the step S3, the relief plate is prepared by scanning natural wood grain pores in a full-page mode, and the relief plate is used for pressing the wood grain pores.
As a preferred embodiment of the present invention, the pretreatment step in step S1 specifically includes the steps of:
s1.10, placing the blank plate on a conveying belt, conveying the blank plate into a first dust remover through the conveying belt to remove dust, and removing burrs, particles and dust on the surface of the blank plate;
s1.11, conveying the dust-removed blank plate to a first double-roller coater, and roll-coating a first UV primer on the surface of the blank plate;
s1.12, conveying the blank plate with the first UV primer roll-coated to a first hot air dryer to level and dry the surface of the first UV primer;
s1.13, conveying the blank plate dried in the step S1.12 into a double-shaft deburring machine, removing burrs formed after the first UV primer on the surface of the blank is dried and hardened, conveying the blank plate with the burrs removed to a second double-roller coater, and rolling and coating the second UV primer on the surface of the blank plate;
s1.14, conveying the blank plate with the second UV primer roll-coated to a second hot air dryer, and leveling and drying the surface of the second UV primer;
s1.15, conveying the blank plate dried in the step S1.14 to a putty machine, filling UV putty into the concave uneven part of the surface of the blank plate, conveying the filled blank plate to a first double-lamp curing machine, and curing and drying the UV putty on the surface of the blank plate;
s1.16, conveying the blank plate obtained in the step S1.15 to a first single-roll coater, roll-coating a third UV primer on the surface of the blank plate, and photo-curing the third UV primer on the surface of the blank plate by a second double-lamp curing machine;
s1.17, conveying the blank plate with the three UV priming paint roller coating layers to a first paint sanding machine for sanding and polishing to enable the surface of the blank plate to be smooth, conveying the blank plate to a second dust remover, and removing dust on the surface of the blank plate;
s1.18, conveying the blank plate obtained in the step S1.17 to a second single-roll coater, spraying wood grain ground color on the surface of the blank plate by the second single-roll coater, conveying the blank plate sprayed with the wood grain ground color to a third double-lamp curing machine, and curing the wood grain ground color on the surface of the blank plate by the third double-lamp curing machine, wherein the cured blank plate is called as a primary blank plate.
As a preferred embodiment of the present invention, the wood grain printing in step S2 specifically includes the steps of:
s2.10, conveying the primary blank plate into a first printer, and rolling out first monochromatic wood grains on the surface of the primary blank plate by the first printer;
s2.11, conveying the primary blank plate with the first single-color wood grains rolled into a second printer, and rolling out the second single-color wood grains on the surface of the second printer by the second printer to obtain the secondary blank plate.
As a further scheme of the invention, the first printing machine and the second printing machine are provided with shallow relief plates for printing wood grains, and the shallow relief plates are manufactured by adopting the wood grains of natural wood boards to scan the grains by a computer.
As a further scheme of the invention, the first single-color wood grains and the second single-color wood grains are overlapped to form the three-dimensional wood grains.
As a preferred embodiment of the present invention, the protective paint spraying in step S4 includes a primer spraying process and a paint surface spraying process.
As a further preferable aspect of the present invention, the primer coating process specifically includes the steps of:
s4.10, conveying the third blank plate manufactured in the step S3 to a third double-roller coater, rolling-coating the first primer on the surface of the wood grain, and conveying the third blank plate rolling-coated with the first primer to a fourth double-lamp curing machine to carry out photo-curing on the first primer;
s4.11, conveying the third blank plate after the first priming paint is cured to a fourth double-roll coater to roll-coat the second priming paint, and conveying the third blank plate which is roll-coated with the second priming paint to a fifth double-lamp curing machine to carry out photo-curing on the second priming paint;
and S4.12, conveying the third blank plate for curing the second priming paint to a second paint sanding machine for sanding and polishing, and then removing dust by a third dust remover.
As a further preferable scheme of the invention, the paint surface spraying process specifically comprises the following steps:
s4.13, conveying the tertiary blank plate obtained in the step S4.12 to a fifth double-roll coater to roll-coat the first UV finish paint, and conveying the tertiary blank plate roll-coated with the first UV finish paint to a sixth double-lamp curing machine to carry out photo-curing on the first UV finish paint;
s4.14, conveying the cured three-time blank plate to a sixth double-roller coater to roll-coat the second UV finish paint, and conveying the three-time blank plate roll-coated with the second UV finish paint to a three-lamp curing machine to carry out photo-curing on the second UV finish paint to obtain the wood grain plate.
Compared with the prior art, the processing method of the baking varnish wood grain finished board has the beneficial effects that:
according to the invention, the wood grain pores similar to the texture of the solid wood board are pressed on the surface of the blank plate printed with the three-dimensional wood grain, so that the plate with the wood grain on the surface is prepared, the similarity between the wood grain plate and the solid wood board is effectively improved, the existing plate processing method for bonding the solid wood skin is eliminated, and the production cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the inventive embodiments of the present invention, the drawings needed in the embodiments will be briefly described below, it will be apparent that the drawings in the following description are only examples of the inventive embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art
FIG. 1 is a flow chart of an embodiment of the present invention;
FIG. 2 is a first flow line diagram of an apparatus at a pretreatment stage according to an embodiment of the present invention;
FIG. 3 is a second flow line diagram of the apparatus at the pretreatment stage according to the embodiment of the present invention;
FIG. 4 is a third flow line diagram of the apparatus at the pretreatment stage according to the embodiment of the present invention;
FIG. 5 is a fourth flow line diagram of the apparatus at the pretreatment stage according to the embodiment of the present invention;
FIG. 6 is a flow chart of an apparatus for the wood grain printing and wood grain pore pressing stage of an embodiment of the present invention;
FIG. 7 is a flow chart of primer coating process equipment at the stage of coating and curing the protective paint according to the embodiment of the invention;
FIG. 8 is a flow chart of paint spraying process equipment at the stage of spraying and curing the protective paint according to the embodiment of the invention.
Reference numerals: the coating machine comprises a conveying belt-101, a first dust remover-102, a first double-roll coater-103, a first hot air dryer-104, a double-shaft deburring machine-105, a second double-roll coater-106, a second hot air dryer-107, a putty machine-108, a first double-lamp curing machine-109, a first single-roll coater-110, a second double-lamp curing machine-111, a first paint sanding machine-112, a second dust remover-113, a second single-roll coater-114 and a third double-lamp curing machine-115;
a first printer-201, a second printer-202;
hole pressing machine-301;
the paint coating machine comprises a third double-roll coating machine-401, a fourth double-lamp curing machine-402, a fourth double-roll coating machine-403, a fifth double-lamp curing machine-404, a second paint sanding machine-405, a third dust remover-406, a fifth double-roll coating machine-407, a sixth double-lamp curing machine-408, a sixth double-roll coating machine-409 and a three-lamp curing machine-410.
Detailed Description
In order to make the objects, technical solutions and advantages of the inventive embodiments of the present invention more apparent, the inventive embodiments of the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present invention.
Referring to fig. 1-8, the processing method of the baking varnish wood grain finished board in the embodiment of the invention comprises the following steps:
s1, pretreatment: the blank plate is coated with paint for multiple times and solidified to prepare a primary blank plate;
s2, wood grain printing: performing secondary monochromatic printing on the surface of the primary blank plate to obtain a secondary blank plate with wood grains on the surface;
s3, wood grain pore pressing: conveying the secondary blank plate into a hole pressing machine for pressing wood grain pores to obtain a tertiary blank plate with wood grain pores;
s4, spraying and curing protective paint: and (3) carrying out paint spraying and curing on the three-time blank plate for multiple times to obtain the wood grain plate.
Referring to fig. 1 to 5, the pretreatment process in the embodiment of the invention specifically includes the following steps:
s1.10, placing the blank plate on a conveying belt 101, conveying the blank plate into a first dust remover 102 through the conveying belt 101 to remove dust, and removing impurities such as burrs, particles, dust and the like on the surface of the blank plate;
s1.11, conveying the dedusted blank plate to a first double-roll coater 103, and roll-coating a first UV primer on the surface of the blank plate;
s1.12, conveying the blank plate with the first UV primer roll-coated to a first hot air dryer 104 to level and dry the surface of the first UV primer;
s1.13, conveying the blank plate dried in the step S1.12 into a double-shaft deburring machine 105, removing burrs formed after the first UV primer on the surface of the blank plate is dried and hardened, conveying the blank plate with the burrs removed to a second double-roller coater 106, and rolling and coating the second UV primer on the surface of the blank plate;
s1.14, conveying the blank plate with the second UV primer roll-coated to a second hot air dryer 107, and leveling and drying the surface of the second UV primer;
s1.15, conveying the blank plate dried in the step S1.14 to a putty machine 108, filling UV putty into the concave uneven part of the surface of the blank plate, conveying the filled blank plate to a first double-lamp curing machine 109, and curing and drying the UV putty on the surface of the blank plate;
s1.16, conveying the blank plate obtained in the step S1.15 to a first single-roll coater 110, roll-coating a third UV primer on the surface of the blank plate, and photo-curing the third UV primer on the surface of the blank plate by a second double-lamp curing machine 111;
s1.17, conveying the blank plate obtained in the step S1.16 to a first paint sander 112 for surface sanding and polishing to enable the surface of the blank plate to be flat and smooth, and conveying the blank plate to a second dust remover 113 for surface dust removal;
s1.18, conveying the dust-removed blank plate in the step S1.17 to a second single-roll coater 114, spraying wood grain ground color on the surface of the blank plate by the second single-roll coater 114, conveying the blank plate sprayed with the wood grain ground color to a third double-lamp curing machine 115 for photo-curing of the surface wood grain ground color, and obtaining a primary blank plate after curing.
Referring to fig. 6, in the embodiment of the invention, the wood grain printing specifically includes the following steps:
s2.10, conveying the primary blank plate into a first printer 201, and rolling out first monochromatic wood grains on the surface of the primary blank plate by the first printer 201;
s2.11, conveying the primary blank plate with the single-color wood grains rolled into a second printer 202, and rolling out the second single-color wood grains on the surface of the second printer 202 by the second printer 202 to manufacture a secondary blank plate.
In the wood grain printing process, the first printing machine 201 and the second printing machine 202 are respectively provided with a shallow relief plate for printing wood grains, and the shallow relief plates are made by adopting natural wood grains to scan the textures by a computer. The first single-color wood grain and the second single-color wood grain are overlapped to form the three-dimensional wood grain.
Referring to fig. 6, in an embodiment of the present invention, the wood grain pore pressing specifically includes the following steps:
s3.10, manufacturing pore relief plates for pressing wood boards: the natural wood board pores are scanned integrally to form a relief plate, and the relief plate is mounted on a hole pressing machine 301;
s3.11, pore pressing of the plate: the secondary blank plate is conveyed to a hole pressing machine 301 for pressing wood grains and pores, and a tertiary blank plate with wood grains and pores is manufactured.
Referring to fig. 7-8, the step S4 of spray curing of the protective paint according to the embodiment of the present invention includes a primer spray process and a paint spray process.
Specifically, the primer coating process shown in fig. 7 specifically includes the following steps:
s4.10, conveying the third blank plate manufactured in the step S3 to a third double-roller coater 401, rolling-coating the first primer on the surface of the wood grain, and conveying the third blank plate rolled with the first primer to a fourth double-lamp curing machine 402 to carry out light fixation on the first primer;
s4.11, conveying the third blank plate after the first priming paint is cured to a fourth double-roll coater 403 to roll-coat the second priming paint, and conveying the third blank plate which is roll-coated with the second priming paint to a fifth double-lamp curing machine 404 to carry out photo-curing on the second priming paint;
and S4.12, conveying the third blank plate for curing the second priming paint to a second paint sander 405 to sand and polish the two priming paint, and conveying the third blank plate to a third dust remover 406 to perform dust removal operation on the sanded third blank plate so as to prepare for paint surface spraying.
The paint spraying process shown in fig. 8 specifically includes the following steps:
s4.13, conveying the tertiary blank plate obtained in the step S4.12 to a fifth double-roll coater 407 to roll-coat the first UV finish, and conveying the tertiary blank plate roll-coated with the first UV finish to a sixth double-lamp curing machine 408 to carry out photo-curing on the first UV finish;
and S4.14, conveying the three-time blank plate subjected to light curing of the first UV finish paint to a sixth double-roller coater 409 for roll coating of a second UV finish paint, and conveying the three-time blank plate subjected to roll coating of the second UV finish paint to a three-lamp curing machine 410 for light curing of the second UV finish paint to obtain the baking finish wood grain finished board.
The devices or machines involved in the embodiments of the present invention are all existing devices.
While the basic principles of the present invention have been shown and described, the foregoing is provided by way of illustration of a preferred embodiment of the invention, and not by way of limitation, the foregoing embodiment and description are merely illustrative of the principles of the invention, and any modifications, equivalents, improvements or modifications not within the spirit and scope of the invention should be included within the scope of the invention.

Claims (9)

1. The processing method of the baking varnish wood grain finished board is characterized by comprising the following steps of:
s1, pretreatment: the blank plate is coated with paint for multiple times and solidified to prepare a primary blank plate;
s2, wood grain printing: performing secondary monochromatic printing on the surface of the primary blank plate to obtain a secondary blank plate with wood grains on the surface;
s3, wood grain pore pressing: conveying the secondary blank plate into a hole pressing machine for pressing wood grain pores to obtain a tertiary blank plate with wood grain pores;
s4, spraying and curing protective paint: and (3) carrying out paint spraying and curing on the three-time blank plate for multiple times to obtain the wood grain plate.
2. The method for processing the finished board with the paint baking wood grains according to claim 1, which is characterized in that: and (3) arranging a relief plate in the hole pressing machine in the step (S3), wherein the relief plate is manufactured by scanning the natural wood grain pores in a full-page mode.
3. The method for processing the finished board with the paint baking wood grains according to claim 1, which is characterized in that: the wood grain printing in step S2 specifically includes the steps of:
s2.10, conveying the primary blank plate to a first printer, and rolling a first monochromatic wood grain on the surface of the primary blank plate by the first printer;
s2.11, conveying the primary blank plate with the first single-color wood grains rolled to a second printer, and rolling the second single-color wood grains on the surface of the primary blank plate by the second printer to manufacture the secondary blank plate.
4. A method of processing a finished board of paint wood grain according to claim 3, wherein: the first printing machine and the second printing machine are respectively provided with a shallow relief plate used for printing wood grains on the round rollers, and the shallow relief plates are manufactured after the computer scans the textures of the natural wood grains.
5. A method of processing a finished board of paint wood grain according to claim 3, wherein: and the first single-color wood grains and the second single-color wood grains are overlapped to form three-dimensional wood grains.
6. The method for processing the finished board with the paint baking wood grains according to claim 1, which is characterized in that: the step S1 of coating paint for multiple times in pretreatment comprises the following steps:
s1.10, conveying the blank plate into a first dust remover through a conveying belt to remove dust;
s1.11, conveying the dedusted blank plate to a first double-roller coater, and roll-coating a first UV primer on the surface of the blank plate;
s1.12, conveying the blank plate with the first UV primer roll-coated to a first hot air dryer, and leveling and drying the surface of the first UV primer;
s1.13, conveying the blank plate dried in the step S1.12 to a double-shaft deburring machine, removing burrs formed after the first UV primer is dried and hardened on the surface of the blank plate, and conveying the blank plate with the burrs removed to a second double-roller coater for roll coating of a second UV primer;
s1.14, conveying the blank plate with the second UV primer roll-coated to a second hot air dryer, and leveling and drying the surface of the second UV primer;
s1.15, conveying the blank plate dried in the step S1.14 to a putty machine, filling UV putty on the concave uneven part of the surface of the blank plate, conveying the filled blank plate to a first double-lamp curing machine, and curing and drying the UV putty on the surface of the blank plate;
s1.16, conveying the blank plate obtained in the step S1.15 to a first single-roll coater, and carrying out light curing on the third UV primer on the surface of the blank plate by a second double-lamp curing machine after the third UV primer is roll-coated on the surface of the blank plate;
s1.17, conveying the blank plate obtained in the step S1.16 to a first paint sander for surface sanding and polishing, and carrying out surface dust removal by a second dust remover;
s1.18, conveying the blank plate obtained in the step S1.17 to a second single-roll coater to spray the wood grain ground color on the surface, and then carrying out photo-curing on the wood grain ground color on the surface by a third double-lamp curing machine, so as to obtain the primary blank plate after curing.
7. The method for processing the finished board with the paint baking wood grains according to claim 1, which is characterized in that: the step S4 of spraying the protective paint comprises a primer spraying process and a paint surface spraying process.
8. The method for processing the finished board with the paint baking wood grains according to claim 7, wherein the method comprises the following steps of: the primer spraying process specifically comprises the following steps:
s4.10, conveying the three-time blank plate obtained in the step S3 to a third double-roller coater, rolling-coating the first primer on the surface of the wood grain, and photo-curing the first primer by a fourth double-lamp curing machine;
s4.11, conveying the third blank plate after the first priming paint is cured to a fourth double-roller coater to roll-coat a second priming paint, and then carrying out photo-curing on the second priming paint by a fifth double-lamp curing machine;
and S4.12, conveying the third blank plate for curing the second priming paint to a second paint sanding machine for sanding and polishing, and then removing dust by a third dust remover.
9. The method for processing the finished board with the paint baking wood grains according to claim 8, wherein the method comprises the following steps of: the paint surface spraying process specifically comprises the following steps of:
s4.13, conveying the three-time blank plate obtained in the step S4.12 to a fifth double-roll coater to roll-coat the first UV finish paint, and then carrying out photo-curing on the first UV finish paint by a sixth double-lamp curing machine;
and S4.14, conveying the three-time blank plate obtained in the step S4.13 to a sixth double-roller coater to roll-coat the second UV paint surface, and then carrying out photo-curing on the second UV paint surface by a three-lamp curing machine to obtain the wood grain plate. .
CN202410160994.7A 2024-02-05 2024-02-05 Processing method of baking varnish wood grain finished board Pending CN117841131A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410160994.7A CN117841131A (en) 2024-02-05 2024-02-05 Processing method of baking varnish wood grain finished board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410160994.7A CN117841131A (en) 2024-02-05 2024-02-05 Processing method of baking varnish wood grain finished board

Publications (1)

Publication Number Publication Date
CN117841131A true CN117841131A (en) 2024-04-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202410160994.7A Pending CN117841131A (en) 2024-02-05 2024-02-05 Processing method of baking varnish wood grain finished board

Country Status (1)

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