JP3084606B2 - Wood plate manufacturing method and apparatus - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a veneer veneer or other veneer, a roll veneer in which ends of the veneer veneer are subjected to finger joint processing and spliced in the longitudinal direction, and formed by laminating the veneer veneer. Of wood board materials that can make a desired grain pattern appear on the surface of various wood materials such as plywood such as LVL (laminate veneer) and wood boards having a predetermined thickness obtained by sawing wood. The present invention relates to a method and a manufacturing apparatus used for the method.

[0002]

2. Description of the Related Art As a method of printing a wood grain pattern resembling the grain of a natural wood with a high quality feeling on the surface of a woody material such as a veneer, a plywood or a board obtained by sawing, see, for example, Japanese Patent Application Laid-Open No. 3-21.
As disclosed in Japanese Patent Publication No. 8801, a wood pattern such as a conduit hole or a medullary line is relatively small, or a wood pattern such as a conduit hole is recessed by embossing rolls or the like on the surface of a wooden board where no wooden pattern is seen. And then apply a colored undercoat so that it penetrates into the recesses of the wood pattern and dry it. Then, apply a transparent sanding sealer and dry it. There is a method of manufacturing boards.

[0003]

The above-mentioned method of manufacturing a decorative board is intended to produce a high-quality decorative board by applying it to a veneer or veneer having a white wood surface such as Ramin or Ayous and having no grain pattern such as a conduit hole. This is advantageous in that it can be manufactured. However, as is apparent from the examples described in the above-mentioned patent publication, the surface of a wooden board on which a grain pattern is to be printed is adjusted by sanding, and then a transparent paint is applied to the surface. Then, a conduit pattern that matches the grain pattern to be obtained is formed as a recess by embossing, and the base color paint is pressed into the entire surface of the wood board and the recess, and applied while being penetrated and dried. Let it. After that, apply a more transparent paint on the surface of the base coloring paint, dry it, and then carry out sanding to completely adjust the base,
A very complicated process of printing a wood pattern by gravure offset printing, and finally applying a transparent paint to finish it is necessary.

An object of the present invention is to provide a method and an apparatus for manufacturing a wooden board capable of printing a grain pattern to be obtained on the surface of various wooden materials very simply and easily.

[0005]

Means for Solving the Problems In order to achieve the above object, the invention according to claim 1 of the present invention is useful for embossing a wood pattern such as a conduit hole on the surface of a plate-like wooden material. After embossing the wood pattern on the surface of the wooden material using an embossing roll formed by protruding the wood texture that matches the grain pattern to be embossed on the surface, the ink is inked into the embossed part, and then A method of manufacturing a wooden board, characterized by printing a grain pattern corresponding to the grain pattern on a surface with a transfer roll.

According to a third aspect of the present invention, there is provided an embossing roll formed by protruding a wood grain pattern coincident with a grain pattern to be obtained on the surface, embossing a wood material with the embossing roll. At the same time, an embossing mechanism comprising an ink supply device for inking the wood pattern and the embossing roll and a pressure roll for pressing the wood material to be embossed toward the embossing roll, and an embossing mechanism. A wood plate material embossing process, and a printing mechanism for printing a wood grain pattern that matches the wood texture pattern on the surface of the wood material inked in the embossed portion, wherein is there.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In the present invention, woody materials are imported woods such as Ramin, Merapi, Ayous and Sandy, which are regarded as low grade because natural wood does not have a clear grain pattern. It may be a high-quality precious wood with a clear grain pattern, such as teak, rosewood, and Gubinka.

These woody materials have a thickness of about 0.2 to 1.0 mm, which can be wound into a roll by processing.
Veneer veneer, veneer connected in the fiber direction (vertical hedge) or laterally connected (horizontal hedge) of veneer veneer, or veneer veneer lined with paper or nonwoven fabric; Plywood such as LVL of 2-30mm, thickness of about 3-5
It is used as a plate made of 0 mm lumber.

[0009] Even if the wood materials are the same kind, the colors are not necessarily the same because they are natural woods. Therefore, when used, a base coating using a solvent-based or water-based pigment or dye is required. However, it is preferable to make the ground color uniform.

In the present invention, the wood pattern printed on the surface of the wood material means a conduit hole, a medullar line, a node, and the like, and the wood grain pattern means a state of the wood surface such as a plate grain and a straight grain. The grain pattern printed on the surface of the wooden material
The grain pattern itself is a straight grain or plate grain of high-grade precious wood such as oak and ash, and the grain pattern matches that of the precious wood such as oak and ash.

[0011] The formation of the wood pattern on the woody material is carried out by embossing rolls. The embossing roll is formed by transferring a wood grain pattern to be printed onto a roll and projecting a portion corresponding to a wood grain pattern originally possessed by the wood grain pattern into a convex shape, and embossing a woody material with the embossing roll and the embossing roll. The wood texture is embossed in a concave shape by feeding the material between the pair of pressure rolls.

The present invention embosses a wood pattern on a wooden material and simultaneously inks the embossed portion. Specifically, the inking is performed by embossing each protruding portion formed on an embossing roll. A means for embossing a wood pattern and simultaneously supplying ink to the embossed portion from the ink supply hole, and an ink roller on the outer periphery of the embossing roll, There is a means for applying ink to the formed convex portion and transferring the ink to the embossed portion.

[0013] The surface is embossed with a concave wood texture,
In addition, the wood material inked into the embossed portion is sent to a dryer by a suitable means, for example, a pair of feed rollers, and after the inked ink is dried, grain printing by gravure offset printing is performed. This grain print is
A photograph is taken of a grain corresponding to the wood pattern, and the grain is transferred to a roll by a printing roll and a printing mechanism paired with the printing roll. At this time, it is preferable that the printing roll is configured such that the printing pattern on the surface is a continuous grain pattern by rotation without being divided in units of one rotation of the roll.

The wood material on which the grain printing has been completed is dried with the printing ink, and then a desired color is applied to the printing surface by a coating mechanism including a coloring coating roller and a pressure roll.
Once dried, send it to a clear coating mechanism consisting of a clear coating roller and a pressure roll, further apply clear coating to the colored surface, and dry to obtain a wood board with a clear grain pattern. Can be.

[0015]

According to the method of manufacturing a wooden board of the present invention, when a wooden pattern such as a conduit is formed on a surface of a wooden material by an embossing roller, a concave portion serving as the wooden pattern is formed at the same time.
Since the inking of the predetermined color is performed on the concave portion, a wood board having a desired grain pattern can be easily and easily obtained on a wood material with an unclear grain.

On the other hand, the apparatus for manufacturing a wooden board according to the present invention
The embossing mechanism for inking the desired ink into the formed embossed portion is provided at the same time as embossing the texture of the wood texture that matches the desired grain pattern on the surface of the wood material. At the same time as the pattern is formed, inking can be performed on the wood pattern, and a high quality wood board having a desired grain pattern can be mass-produced at low cost.

[0017]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a method for manufacturing a wooden board according to the present invention. FIG. 1 shows an embodiment of a manufacturing apparatus 1 used in the method for manufacturing a wooden board according to the present invention. This manufacturing apparatus 1 forms a wooden texture on the surface of a wooden material in a concave shape, and Embossing mechanism 2 capable of inking the wood, printing mechanism 7 for performing wood grain printing on embossed wood material A _1, and wood material A printed with wood grain
₂ and a coating mechanism 12 for obtaining a target wooden board by coating.

The embossing mechanism 2 includes an embossing roll 3 that is horizontally arranged below and has a convex-shaped wood grain pattern that matches the grain pattern to be obtained on the surface, and the embossing roll 3 is provided above the embossing roll 3. The pressure roll 4, which is arranged so as to be able to freely adjust the distance between the ink roll, the ink roll 5 for supplying ink to the convex wood pattern formed on the embossing roll 3, and the inked ink are dried. And a dryer 6. The wood material A ₁
Means for inking ink into the concave portion (embossed portion) which is a wood pattern formed on the embossing roll is provided with an ink supply hole (not shown) in the convex portion of the embossing roll 3, and from the inside of the embossing roll 3 through the convex portion. A method of supplying to a concave portion which is a pattern may be used.

The dryer 6 has a heating function such as a heater inside, and passes an embossed wood material to dry ink inked into a wood pattern.

The printing mechanism 7 can freely adjust the interval between the printing roll 8 for printing a grain pattern on the embossed wood material A ₁ and the printing roll 8 above the printing roll 8. Is constituted by a pressure roll 9 arranged in such a manner and a dryer 11 arranged behind the same. The dryer 11 is the same as the dryer 7, and is used for drying the ink used for the grain printing. is there. The printing roll 8 is formed by forming a grain pattern such as a straight grain or a grain pattern formed on a natural wood board surface corresponding to a wood grain pattern on a peripheral surface by photoengraving to form a printing plate face.
Is supplied by an ink roll 10.

The coating mechanism 12 includes a coloring coating roller 13 which is in circumferential contact with the ink roll 15, a pressure roll 14 which is disposed above so that the distance between the coloring coating roller 13 can be freely adjusted, and a coating roller 14 which is disposed behind the pressure roller 14. Dryer 16,
And a clear coating roll 17, a pressure roll 18 disposed above the clear coating roll 17, and a dryer 20 behind the roll 18. In the figure, reference numeral 19 denotes an ink roll which is in circumferential contact with the clear coating roll 17.

Hereinafter, a method of printing a wood grain pattern on a wooden material using the manufacturing apparatus 1 having the above configuration will be described.
In this embodiment, the woody material is a wood veneer obtained by slicing a thin laminating whole whitish lamin to a predetermined width by horizontal cutting, and the edges in the fiber direction are interconnected by finger joint processing. To a predetermined length, and a thickness of about 0.5 mm x a width of about 5 mm obtained by backing a nonwoven fabric on the back surface.
A 00 mm rolled veneer was used. In addition, the embossing roll 3 used was one in which the texture of the oak tree, which is a high-grade precious wood, was formed in a convex shape, and the printing roll 8 used was the one obtained by transferring a grain pattern corresponding to the oak wood pattern by photoengraving. .

[0023] First, after the space between the embossing roll 3 and the pressure roll 4 of the manufacturing apparatus 1 was adjusted to match the thickness of the rolled veneer A _1, and drives the embossing mechanism 2, a roll veneer A ₁ Is supplied between the embossing roll 3 and the pressure roll 4 while pulling out such that the surface is on the lower side, the roll-shaped veneer A ₁ is transferred to the left by the rotating embossing roll 3 and the pressure roll 4. Roll 3
At the same time the concave portion is formed by a convex bark pattern formed on, for embossing roll 3 is in contact with ink roll 5 and the circumferential, inking the bark pattern concave formed in a roll veneer A ₁ row A wooden pattern such as a conduit is printed.

The rolled veneer A ₁ on which the wood pattern is formed by the embossing roll 3 and inked is then sent to the dryer 6 to dry the inked ink and then the printing roll 8 constituting the printing mechanism 7. And between the pressure roll 9. The drying time by the dryer 6 is 60 ° C.
About 1 minute. Printing roll 8 in printing mechanism 7
And after the grain pattern that matches the rind pattern by a roll veneer A ₁ is printing roll 8, which is supplied between the impression roll 9 is printed, sent dried for about 5 minutes at a temperature 60 ° C. in a dryer 11, It is sent to the coating mechanism 12.

Wood texture and wood sent to the coating mechanism 12
Rolled veneer A printed with eye pattern _TwoIs a colored painted low
Between the pressure roll 13 and the pressure roll 14, and
Colored with paint of the same color as the material
, And then passed through a dryer 16 to dry the painted surface
After that, between the clear coating roll 17 and the pressure roll 18
Supplied, clear coating with transparent clear paint on painted surface
Is applied. Rolled veneer A with clear transparent coating
_TwoIs dried through a dryer 20 and is the same grain of wood as oak
A wood board on which the patterns are printed is manufactured.

The rolled veneer thus obtained does not have a pronounced grain pattern at the beginning, and the rolled veneer also has a light color. By cutting it into pieces and wrapping it on the surface of the furniture, for example, it is possible to obtain high-quality furniture having a grained wood pattern.

In the above embodiment, the rolled veneer is used as the wood material, and the process from embossing to clear coating is performed consistently. However, each process may be performed by batch processing. Of course, may be plywood such as veneer veneer or LVL of a predetermined size. In addition, as long as inking can be performed on the concave portion that becomes a wood texture simultaneously with embossing, the means for inking is not limited to the embodiment. Further, in the embodiment, the embossing roll 3, the printing roll 8, the coloring coating roll 13, and the clear coating roll 17 are all arranged on the lower side, and this is because the ink applied to each roll is made of wood. It is an effective means to prevent extra coating on the surface of the material,
As long as the amount of ink applied to the wood material can be controlled, the pressure rolls may be set downward and the rolls may be arranged above.

[0028]

According to the method for producing a wooden board of the present invention, a wood texture is formed by embossing a wooden material.
Since embossing can be performed at the same time as embossing, the wood pattern can be efficiently printed on a wooden material. In addition, since inking can be reliably performed on each embossed portion formed in the wood material, the obtained wood board material is a high-quality one having a clear wood grain pattern and a grain pattern very similar to a predetermined natural wood. can do.

On the other hand, an apparatus for manufacturing a wooden board according to the present invention
When embossing a wood pattern on a wooden material, an ink supply device is attached to the embossing roll, so that the embossed portion can be inked at the same time as the embossing process.
A more vivid wood texture can be formed on the wooden material,
Since the woodgrain pattern can be printed in accordance with the woodgrain pattern, it is possible to mass-produce low-cost, high-quality woody board materials having a clear woodgrain very similar to predetermined natural wood.

[Brief description of the drawings]

FIG. 1 is a process chart showing an example of a method for producing a wood board of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Wood board manufacturing apparatus 2 Embossing mechanism 3 Embossing roll 4, 9, 14, 18 Pressure roll 5, 10, 15, 19 Ink roll 6, 11, 16, 20 Dryer 7 Printing mechanism 8 Printing roll 12 Painting mechanism 13 rolled veneer colored coating roll 17 clear coating roll A ₁ rolled veneer A ₂ bark pattern and a grain pattern is printed

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ identification code FI E04F 13/08 E04F 13/08 (58) Investigated field (Int.Cl. ⁷ , DB name) B41M 3/06 B32B 21/06 B41M 1/24 B41M 1/38 B44C 3/02 E04F 13/08

Claims (7)

(57) [Claims] When embossing a wood pattern such as a conduit hole on the surface of a plate-like wood material, an embossing roll formed by projecting a wood pattern adapted to a desired wood grain pattern on the surface is used. After embossing a wood pattern on the surface of the wood material, and simultaneously inking the embossed portion with ink, a wood grain pattern matching the wood texture is printed on the surface by a transfer roll. Production method. 2. When embossing a wood pattern such as a conduit hole on the surface of a plate-like wood material, an embossing roll formed by projecting a wood pattern corresponding to the obtained wood pattern on the surface is used. At the same time as embossing the wood pattern on the surface of the wooden material, the ink is inked into the embossed portion, and then a wood grain pattern corresponding to the wood texture is printed on the surface, and then a finish coating film of clear paint is applied on the surface. A method for producing a wooden board, characterized by forming 3. An embossing roll formed by projecting a wood pattern corresponding to a grain pattern to be obtained on the surface, and an ink supply for embossing the wood material by the embossing roll and simultaneously inking the wood pattern. An embossing mechanism comprising a device and a pressure roll for forming a pair with the embossing roll and pressing a wood material to be embossed toward the embossing roll; and a wood pattern embossed by the embossing mechanism, and the embossed portion. A printing mechanism for printing a woodgrain pattern that matches the texture of the wood on the surface of the wood material inked. 4. An embossing roll formed by protruding a wood pattern corresponding to a wood grain pattern to be obtained on the surface, and forming the wood pattern on the surface of the woody material by the embossing roll and simultaneously applying ink to the wood texture. An ink supply device for placing the embossing roll, a pair of embossing rolls, and an embossing mechanism including a pressure roll that presses the wood material to be embossed toward the embossing roll side, and the embossing mechanism embosses the wood pattern. And a printing mechanism comprising a printing roll for printing a grain pattern matching the wood texture on the surface of the wood material inked into the embossed portion, and a pressure roll paired with the printing roll, and a printed wood material. Colored coating on the printing surface of the material and a coating roll and a pressure roll for sequentially forming a finish coating film with clear paint on the surface An apparatus for manufacturing a wooden board, comprising a mechanism. 5. The printing roll according to claim 3, wherein a printing pattern formed on a surface of the printing roll is a wood grain pattern that is continuous by rotating the printing roll in units of one rotation. 4. An apparatus for producing a wood board according to 4. 6. An ink supply device for inking a wood pattern embossed on a surface of a wooden material by embossing, wherein the ink supply device sends ink from an ink tank disposed in the embossing roll to the surface of the embossing roll. 5. The apparatus for manufacturing a wooden board according to claim 3, wherein the apparatus is used. 7. An ink supply device for inking a wood pattern embossed on the surface of a wooden material by embossing, wherein the ink supply apparatus rotates in circumferential contact with the embossing roll, and protrudes from the embossing roll. 5. An apparatus for manufacturing a wooden board according to claim 3, comprising an ink roller capable of applying ink only to said ink roller, and an ink tank for supplying ink to said ink roller.