JPH07100802A - Manufacture of decorative veneer - Google Patents

Abstract

PURPOSE:To make a grain pattern of a kind of wood characterized by resin paths and radial structures on a decorative veneer. CONSTITUTION:A plurality of notches 2 are made by cutting In the longitudinal direction of a spring material veneer 1. Next, the inner surface of notches 2 is dyed by dyeing the spring material veneer 1. Following this, the spring material veneer 1 and winter grain expression veneer 3 are alternately laminated so as to form a flitch 4. The flitch 4 is subjected to a slice operation at the surface being crossed with the laminated surface of the spring material veneer 1 and winter grain expression veneer 3, thereby obtaining a decorative veneer. The dyed notches 2 appear on the surface of the decorative veneer 5 in a linear configuration, so that resin paths and radial structures can be expressed thereon.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for producing a decorative veneer used as a decorative material for building materials.

[0002]

2. Description of the Related Art Conventionally, a decorative veneer 5 having a wood grain pattern as shown in FIG. 6 has been used as a decorative material for building materials. This decorative veneer 5 is formed by alternately laminating spring veneer and winter veneer veneer having a darker color than the spring veneer to form a flitch, and bending the flitch in the thickness direction by a molding die. The modified flitch is produced by slicing the modified flitch on the surface intersecting the laminated surface of the spring wood veneer and the winter eye expression veneer.

[0003]

However, when the decorative veneer 5 is manufactured as described above, the resin path and radiation tissue of the resin formed between the wood grain are not expressed, and the resin path of the resin is It was not possible to form the wood grain pattern of the tree species with a characteristic of radiant tissue. The present invention has been made in view of the above points, and an object of the present invention is to provide a method for producing a decorative veneer capable of forming a wood grain pattern of a tree species that has a characteristic resin path or radiation tissue of a tar. In addition, it is an object of the present invention to provide a method for manufacturing a decorative veneer that can easily perform the work of cutting the spring veneer veneer for expressing the resin path and radiation tissue of the tar. .

[0004]

The method for manufacturing a decorative veneer according to the present invention comprises cutting a spring veneer 1 in the thickness direction to form a plurality of cuts 2 and dyeing the veneer 1 at the same time. The inner surface of the cut portion 2 is dyed, and the spring wood veneer 1 and the winter eye expression veneer 3 are alternately laminated to form a flitch 4. The flitch 4 is used for the spring wood veneer 1 and the winter eye expression. It is characterized by slicing on the surface intersecting the laminated surface of the single plate 3.

In the present invention, the spring wood veneer 1 and the winter eye veneer veneer 3 may be laminated with a colored adhesive. Further, in the present invention, the tip end is the blade portion 1 on the outer peripheral portion.
A plurality of blades 13 having a number of 2 is provided to form a blade roll 14, and the blade roll 14 is rotated while rotating the blade roll 14.
It is preferable to cut the spring veneer 1 in the thickness direction with the blade 13 to provide the cut portion 2.

As the blade 13, the blade portion 12 is
It is preferable to use a straight line portion 12a at the leading edge and inclined portions 12b that are inclined inward on both sides thereof.
The outer peripheral portion of the blade roll 14 is the blade 1
It is preferable to use a sponge 15 in which 3 can pass freely.

[0007]

[Operation] The spring wood veneer 1 is cut in the thickness direction to form the cut portion 2
The spring wood veneer 1 is dyed on the inner surface of the cut portion 2 and the spring wood veneer 1 and the winter veneer veneer 3 are alternately laminated to form a flitch 4. Since the flitch 4 is sliced on the surface intersecting the laminated surface of the spring wood veneer 1 and the winter eye expression veneer 3, the dyed notch 2 is linear on the surface of the decorative veneer 5. It is possible to express the resin path of the tar and the radiation tissue.

Further, since the spring veneer 1 and the winter-eye expressing veneer 3 are bonded and laminated with a colored adhesive, the colored adhesive is applied to the cut portion 2 of the spring veneer 1. The notch 2 can be colored by entering, and the resin path of the resin, the radial tissue, etc. can be clearly expressed by the notch 2. Further, a plurality of blades 13 each having a blade portion 12 at the tip thereof are provided on the outer peripheral portion to form a blade roll 14, and the blade roll 14 is rotated while the blade roll 14 is rotated.
Since the spring wood veneer 1 is cut in the thickness direction to provide the cut portion 2, it is possible to form the cut portion 2 simply by sending the spring wood veneer 1 to the blade roll 14 and passing it. It is possible to easily form the portion 2.

[0009]

EXAMPLES The present invention will be described in detail below with reference to examples. The spring wood veneer 1 may be the one used in the production of ordinary decorative veneers. After decolorizing the spring wood veneer 1 with a hydrogen peroxide-based bleaching agent, as shown in FIG. As shown, the spring wood veneer 1 is provided with a plurality of notches 2 cut in the thickness direction. The cut portion 2 is formed by cutting from the front surface to the back surface of the spring veneer 1 and has a length of 10 mm to 3 mm.
About 0 mm is preferable, and it is preferable that the longitudinal direction of the cut portion 2 is aligned in a fixed direction. The number, length, width, etc. of the cut portions 2 are appropriately determined according to the grain of the desired tree species formed on the decorative veneer 5.

The cut portion 2 may be provided in the spring wood veneer 1 by using a blade roll 14 as shown in FIG. FIG. 3A shows a disk 11 that constitutes a part of the blade roll 14, and a plurality of blades 13 are attached to the outer peripheral edge of the disk 11. This blade 13 has a disk 11 so that its blade portion 12 faces the outer tip.
The blades 12 are arranged radially in FIG.
As shown in (b), the linear portion 12a at the center of the tip and the inclined portions 12b, 12b on both sides of the tip are formed. As shown in FIG. 3C, the angle θ of the blade edge of the blade portion 12 is preferably about 30 °. Further, a shaft through hole 18 is provided in the center of the disk 11, and a large number of alignment holes 19 are provided around the shaft through hole 18 at regular intervals on the same circumference.

A plurality of discs 11 and spacers 20 each having a donut shape and having shaft through holes (not shown) are alternately stacked, and a roll shaft 21 is passed through each shaft through hole 18 to form the discs 11. And the spacer 20 are attached, and a pair of end disks 22 are inserted into the outer circumference of the roll shaft 21 so as to sandwich them, and each end disk 22 is fixed to the roll shaft 21,
Alignment hole 19 of disk 11 and spacer 20 and end disk 2
The tool roll 14 can be formed by stopping the rotation of each disk 11 through the positioning rods 23 through the positioning holes (not shown) provided on the disk 2 corresponding to the positioning holes 19 of the disk 11. Therefore, the blade roll 14
A plurality of blades 13 are provided so as to project on the outer periphery of the. Here, by pulling out the positioning rod 23, the disc 11 can be rotated around the roll shaft 21.
It is possible to freely change the arrangement of the blades 13 on the outer circumference of the blade roll 14 by changing the position of the blade 13 of No. 1. After rotating the disc 11 to change the arrangement of the blades 13, the positioning rod 2 is attached to the disc 11, the spacer 20, and the end disc 22 in the same manner as above.
Each disk 11 can be fixed again through 3.

An elastic sponge 15 made of foamed soft polyurethane or the like is wound around and attached to the outer periphery of the blade roll 14. When the sponge 15 is wound, the blades 13 are in a state of being inserted into the sponge 15 by the cutting force of the blade portion 12, but the thickness of the sponge 15 depends on the blade 1.
The blade portion 12 of the blade 13 is positioned inside the sponge 15 by setting the protrusion size larger than 3. Therefore, an operator is not injured by the blade 13 protruding to the outer periphery of the blade roll 14.

The blade roll 14 formed as described above is arranged on the conveyor belt 24 formed of an elastic material such as rubber as shown in FIG. 4, and the blade roll 14 is used. In providing the cut portion 2 on the spring veneer 1 while rotating the blade roll 14 around the roll shaft 21, the spring veneer 1 is conveyed by the conveyor belt 24 or the like in a direction perpendicular to the longitudinal direction of the roll shaft 21. Send and cutlery roll 14
Pass underneath. When the spring veneer 1 is passed through the blade roll 14 in this manner, the blade portion 12 of the blade 13 on the outer peripheral portion of the blade roll 14 bites into the spring veneer 1 and the spring veneer 1 is cut into the cut portion 2 Can be provided.

At this time, the sponge 15 is the blade roll 14
The spring material veneer 1 is compressed between the spring material veneer 1 and the blade portion 12 of the blade 13 protrudes from the outer periphery of the sponge 15 and can bite into the spring material veneer 1. As described above, since the blade portion 12 of the blade 13 is provided with the cut portion 2 by push-cutting, fiber scraps are not generated as cutting scraps on the back side of the spring wood veneer 1. In addition, after the blade 13 is thus cut into the spring wood veneer 1 to form the notch 2, the blade roll 1
When the blade 13 separates from the spring veneer 1 due to the rotation of 4, the sponge 15 presses the surface of the spring veneer 1 while elastically restoring the surface from the compressed state, and the blade 13 bites into the spring veneer 1. It is possible to prevent the spring wood veneer 1 from being lifted up and wrapped around the blade roll 14.

Here, when the blade portion 12 of the blade 13 has a shape as shown in FIG. 5A, the cut portion 2 provided in the spring veneer 1 is formed.
As shown in FIG. 5 (b), both ends are widened, which is unnatural for the resin path of the tar and the radial tissue, and fiber scraps are easily generated at both ends of the cut portion 2. On the other hand, the blade portion 12 of the blade 13 is replaced by the linear portion 1 as shown in FIG.
If it is formed in a shape composed of 2a and the inclined portion 12b, the cut portion 2 provided in the spring veneer 1 has a shape in which both ends are narrowed as shown in FIG. The cut portion 2 can be formed in a natural shape, and moreover, fiber dust is less likely to be generated.

Next, after the cut piece 2 is provided in the spring wood veneer 1 as described above, the spring wood veneer 1 is dyed. The dyeing method includes a method of applying a dye solution to the surface of the spring wood veneer 1 with a roll and then steaming, and a method of immersing the spring wood veneer 1 in a bath of the dyeing solution. Then, as shown in FIG. 1B, in this dyeing step, the spring wood veneer 1 is impregnated with a dye to be colored, and the cut 2 of the spring wood veneer 1 is impregnated with a dye to color the inner surface of the cut 2. To do.

Next, the colored spring veneer 1 and the winter veneer veneer 3 are alternately adhered with an adhesive or the like and laminated while being heated and pressed to form a flitch 4 as shown in FIG. 1 (c). create. The veneer veneer veneer 3 is darker than the spring veneer veneer 1 or is colored darker than the spring veneer veneer 1 with a dye or the like. Further, as the adhesive used here, it is preferable to use an adhesive colored by adding a pigment or the like, and this colored adhesive enters into the cut portion 2 of the spring veneer 1 to color the cut portion 2. Can be done effectively.

Thereafter, the flitch 4 is heated and pressed by a molding die to form a deformed flitch 6 as shown in FIG. 1D, and the deformed flitch 6 is laminated with the spring wood veneer 1 and the winter eye expression veneer 3. The decorative veneer 5 as shown in FIG. 1 (e) is formed by slicing on a surface that intersects substantially perpendicularly to the surface. The flitch 4 may be sliced as it is without creating the modified flitch 6 from the flitch 4.

In such a decorative veneer 5, a spring veneer 1,
In addition to the wood grain formed by the winter eye veneer 3 between 1 and 2, the colored notch 2 of the spring wood veneer 1 appears in a linear form, and the linear pattern of the notch 2 causes It is possible to represent resin roads, radiant tissues, and the like. Next, the above embodiment will be described by way of a specific example.

The decolorized spring wood veneer 1 is cut with a blade 13 using a blade roll 14 as shown in FIG.
A cut 2 of 30 mm is formed. Then 85% by weight of water,
Brown dye 0.6 wt%, was applied to the spring member veneer 1 at a coverage of staining solution 80g / m ² ~90g / m ² prepared in PEGMA15 wt%, the spring member single and steamed at 95 ° C. Stain board 1. After drying this spring wood veneer 1 to a predetermined water content, winter veneer veneer 3 dyed with the winter color of pine
Alternately, they are adhered and laminated with an adhesive, and heated and pressed to form the flitch 4. The adhesive used at this time is the adhesive 10
A colored adhesive obtained by adding 2 parts by weight of a brown colorant to 0 parts by weight is used, and the coating amount is 80 g / m ^{2 to} 90.
It is g / m ² . The flitch 4 is heated and pressed by a molding die to create a deformed flitch 6.
The sliced veneer 1 was sliced along a plane intersecting the laminated surface of the spring veneer 1 and the winter-eye expressing veneer 3 substantially perpendicularly to obtain a decorative veneer 5. The decorative veneer 5 formed in this manner has a wood grain, a resin path of resin, and a radial tissue that closely resembles a pine wood board.

[0021]

As described above, according to the present invention, the spring wood veneer is cut in the thickness direction to form a plurality of cut portions, and the spring wood veneer is dyed to dye the inner surface of the cut portion. A veneer was formed by alternately laminating veneer and veneer for winter expression, and this flitch was sliced on the surface intersecting with the laminated surface of veneer for spring and veneer for winter expression. The cuts appear linearly on the surface of the decorative veneer, and can represent resin paths and radiant tissue of the resin, and the resin path and radiative tissue of the resin form a characteristic wood grain pattern. Is what you can do.

Further, since the spring wood veneer and the winter eye expression veneer are stuck and laminated with a colored adhesive, the colored adhesive may enter the notch of the spring wood veneer and color the notch. It is possible to clearly express the resin path of the tar and the radiant tissue by the cut portion. Further, a plurality of blades having a blade portion at the outer peripheral portion are provided to form a blade roll, and while the blade roll is rotated, a spring wood veneer is cut in the thickness direction with the blade of the blade roll to provide a cut portion. Thus, the cut portion can be formed simply by sending the spring wood veneer to the blade roll and passing it through, and the cut portion can be easily processed.

Further, as the blade, the blade is used which is formed by the straight portion of the leading edge and the inclined portions which incline inwardly on both sides thereof. The notch part provided on the can be formed in a natural shape as a resin path or radiation tissue of a resin whose both ends are narrowed,
Moreover, it is less likely that fiber waste will be generated. Furthermore, as the blade roll, the one whose outer peripheral portion is covered with a sponge through which the blade can pass is used, so that it is possible to prevent an operator from being injured by the blade protruding to the outer periphery of the blade roll. is there.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention, and (a) to (e) are schematic views showing a manufacturing process.

FIG. 2 shows a knife roll used in the above,
(A) is a front view and (b) is a front view showing a cross section of a sponge.

FIG. 3 shows an embodiment of the same as above, (a) is a front view of a disk, (b) is a front view of a part of a blade, (c) is a sectional view of a part of the blade, (d). [Fig. 3] is a plan view showing a cut portion formed by this blade.

FIG. 4 is a side view of a process of forming a cut portion on a spring wood veneer.

FIG. 5 (a) is a partial front view showing another example of a blade,
(B) is a plan view showing a cut portion formed by this blade.

FIG. 6 is a plan view of a conventional example.

[Explanation of symbols]

 1 Spring wood veneer 2 Cut part 3 Winter veneer veneer 4 Flitch 5 Makeup veneer 11 Disc 12 Blade part 13 Cutlery 14 Cutlery roll 15 Sponge

Claims (5)

[Claims] 1. A spring wood veneer is cut in the thickness direction to form a plurality of cuts, and the spring wood veneer is dyed to dye the inner surface of the cut, and the spring wood veneer and winter veneer veneer. A method for producing a decorative veneer, which comprises alternately stacking boards to form a flitch, and slicing the flitch on a surface that intersects with a stacking surface of the spring wood veneer and the winter eye expression veneer. 2. The method for manufacturing a decorative veneer according to claim 1, wherein the spring veneer veneer and the winter eye veneer veneer are laminated by adhering with a colored adhesive. 3. A cutting tool roll is formed by providing a plurality of cutting tools each having a cutting edge at the outer peripheral portion thereof, and while cutting the cutting tool roll, cutting the spring wood veneer in the thickness direction with the cutting tool of the cutting tool roll. A part is provided, The claim 1 or 2 characterized by the above-mentioned.
The method for manufacturing a decorative veneer according to. 4. The makeup according to claim 3, wherein the blade has a blade portion formed by a straight portion of a leading edge and inclined portions which are inclined inwardly on both sides thereof. Veneer manufacturing method. 5. The method for producing a decorative veneer according to claim 3, wherein the blade roll has a peripheral portion covered with a sponge through which the blade can pass.