KR101779810B1 - Manufacture method of plywood - Google Patents

Abstract

The present invention relates to a method for manufacturing or processing a plywood in which a wood plate-shaped material and a natural wood-processed board are alternatively laminated and compressed and the board formed thereby is cut to process the circular-shaped board, wherein the method comprises the following steps: using a plurality of plates consisting of the pair of the wood plate-shaped material and the natural wood-processed board to alternately laminate and compress the pair to form the board; cutting the board formed thereby into a predetermined size; and processing a square tar as a circular rod having a circular shape. In addition, the method for processing a circular rod through the method for manufacturing a plywood using a wood plate-shaped material and a natural wood-processed board enables the texture and appearance having the same veining as a natural tree to be provided, and when the plywood is cut and processed, it is possible to cut the board in the same direction as the direction of a veining of a growth ring formed on the board, and to provide a method capable of processing the board without deformation or twisting, and cracking.

Description

[0001] Manufacture method of plywood [0002] The present invention relates to a manufacturing method of a plywood using a wood-based plate material and a natural wood-

The present invention relates to a method of processing a round bar using a wood-based plate material and a natural wood-processed plate, and more particularly, to a method of manufacturing a round bar by using a wood- To a method of forming a plywood by applying an adhesive between the processed plywoods and pressing the plywood to form a circular bar.

Generally, a plywood is a laminated wood which is cut into thin slices and arranged in a direction orthogonal to the fiber direction, and then superimposed. In a rotary method in which a wood slice is cut out with a knife, And a cutter sliced with a knife that moves up and down to obtain a veneer by a slicer method or the like which has the advantage of producing a maximum or a beautiful grain up to the diameter of a log of a maximum width, Are bonded to each other by using an adhesive such as casein, viscose, glutamine or the like in a state in which the fiber directions of the fibers are orthogonal to each other and a plurality of sheets are overlapped with each other.

Such plywood is used for ordinary plywood (Ordinary Plywood) used for housing, exterior, floor, ceiling, wall, vehicle, furniture and musical instruments, mold plywood used for concrete curing and building industrial material, Tego Film Plywood, which is a plywood made by impregnating phenolic resin or melamine resin film on both sides, particle board made by molding a small chip before fiber disease, fiberboard and molding with MDF for furniture, musical instrument molding, molding MDF (Medium Density Fiberboard) for use in automobiles, automobiles, and cored plywood, which is made by joining shavings and joining a veneer on it, as a substitute for the plate of regular plywood.

However, the use of these timber products has been limited due to the protection of natural resources, the restriction of logging, the rise of wood prices and the fluctuation of oil prices, which has caused the price increase.

The plywood formed by laminating a single plate and a high density fiberboard or MDF has been developed. However, the MDF plate is used between the MDF plates, and the thickness thereof is thinned to provide a texture and appearance having a texture similar to a natural wood In case of simple cutting and processing, the plywood is cut in a direction different from the direction of the knitting of the rings formed on the plywood, and the formed plywood is deformed, twisted or cracked.

Korean Patent Laid-Open Publication No. 10-2015-0107941.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a method of manufacturing a laminated board, which comprises sequentially laminating a ligneous plate material and a natural wood processed plate sequentially and applying an adhesive agent between the lumber material and the natural wood processed plate, The method comprising cutting the formed plywood with a square bar and processing the cut square into a circular rod having a circular shape so that the formed plywood can have the same appearance as a natural wood.

However, the object of the present invention is not limited to the above-mentioned object, and another object which is not mentioned can be understood by those skilled in the art from the following description.

In order to achieve the above object, the present invention provides a method of manufacturing and processing a plywood, which is formed by alternately laminating and laminating a ligneous plate material and a natural wood processed plate, And natural wood processed sheets are paired so that the pair of plywoods are sequentially laminated while alternately laminating the lumberboard material and the natural wood processed plate to form a plywood to form a pair of plywood, And machining the square bar into a circular rod having a circular shape.

At this time, the step of sequentially laminating the wood-like plate material and the natural wood-processed plate so that the wood-like plate material and the natural wood-processed plate form a pair (paired), and pressing them to form the plywood, Forming an adhesive layer on the upper surface of the single plate formed on the base layer by using any one of the base plate and the base plate; A step of laminating the laminated layer by using any one of the wood processed plate materials, forming an adhesive layer by applying an adhesive on the laminated layer, forming a laminated wood plate on the upper side of the formed adhesive layer, Further comprising a step of laminating using either a material or a natural wood processed sheet, Wherein the steps are repeatedly performed to repeatedly stack the wood plate material and the natural wood processed plate so that the applied adhesive is infiltrated between the repeatedly laminated wood plate material and the natural wood processed plate, Thereby forming a plywood.

In addition, in the plywood formed of the plurality of layers, 9 pairs to 14 pairs of the pair of plates are formed and laminated to form the plywood, and the thickness of the plywood is 35.0 mm to 42.0 mm.

In addition, the total thickness of the wood plate material is 53 to 66% of the total thickness of the laminate, the thickness of each of the wood plate materials is 1.0 mm to 2.0 mm, And the thickness of each of the veneers is 1.0 mm to 1.8 mm.

At this time, the natural wood processed plate uses at least one of broad-leaved trees and softwoods. When the natural wood treated plate is used, the natural wood treated plate has a thickness of 1.0 mm to 1.5 mm, The thickness of the natural wood processed sheet material is 1.4 mm to 1.8 mm.

The step of cutting the formed plywood with a square bar having a predetermined size may include measuring the size of the plywood, equally dividing the plywood in a square shape according to the measured size, and cutting the plywood to a uniform size .

In this case, the length s of the plywood, the width w of the square bar, and the width? Of the cutting portion generated when the plywood is cut are required in the step of equally dividing the rectangular shape according to the measured size, It is possible to cut the square bar by equally dividing the plywood using the number of equal parts (n) = length of plywood (s) / (width of square bar + width of cutting part).

In the step of processing the square bar into a circular rod having a circular shape, the diameter of the circular rod is 30 mm to 40 mm.

Wherein the step of machining the square bar into a circular bar having a circular shape includes using a machine having a uniform power and including a machining tool having a rounded blade and a conveying portion in a symmetrical manner, A step of inserting the conveyed angled bar into the processing tool, a step of machining the angled bar by a forming blade formed on the processing tool, and a step of completing the processed angled bar with a round bar.

The adhesive may use at least one of an isocyanate-based resin, an epoxy-based resin, an acrylic-based resin and a urethane-based resin.

The wood plate material may include at least one of MDF (Medium Density Fiberboard), PB (Plastic Board), OSB (Oriented Strand Board), and laminate.

In addition, the natural wood processed sheet includes at least one of a veneer, a lumber or a wood.

The features and advantages of the present invention will become more apparent from the following detailed description based on the accompanying drawings.

Prior to that, terms and words used in the present specification and claims should not be construed in a conventional and dictionary sense, and the inventor may properly define the concept of the term in order to best explain its invention It should be construed as meaning and concept consistent with the technical idea of the present invention.

According to the present invention, a method of processing a round bar through a method of producing a plywood using a wood-platy material and a natural wood-processed plate makes it possible to provide a texture and appearance having a texture such as a natural wood, It is possible to cut the plywood in the same direction as the direction of the knitting of the rings formed on the plywood, thereby providing a method of processing the plywood so that it is not deformed, twisted, or cracked.

In addition, by stacking the above-mentioned single plates in several layers, there is an advantage that the single plate has different physical properties and dispersion of defects having different thicknesses, and the average effect is increased.

1 shows a flowchart according to an embodiment of the present invention.
2 is a view illustrating a method of sequentially laminating a wood-platy material and a natural wood-processed plate according to an embodiment of the present invention.
3 is a view showing a method of sequentially laminating a wood-platy material and a natural wood-processed plate according to an embodiment of the present invention.
4 is a view illustrating a method of sequentially laminating SPLIT and a natural wood processed sheet according to an embodiment of the present invention.
5 is a flowchart showing a method for manufacturing a plywood according to an embodiment of the present invention.
6 is a view illustrating cutting of a plywood according to an embodiment of the present invention into a square bar.
7 is a view showing that a square bar according to the embodiment of the present invention is processed by a machine.
8 is a view showing a shape of a circular rod according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. In this process, the thicknesses of the lines and the sizes of the constituent elements shown in the drawings may be exaggerated for clarity and convenience of explanation.

In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

In addition, the following embodiments are not intended to limit the scope of the present invention, but merely as exemplifications of the constituent elements set forth in the claims of the present invention, and are included in technical ideas throughout the specification of the present invention, Embodiments that include components replaceable as equivalents in the elements may be included within the scope of the present invention.

Hereinafter, with reference to the accompanying drawings, a method of processing a round bar using a wood plate material according to a preferred embodiment of the present invention and a method of manufacturing a plywood using a natural wood processed plate will be described in detail. But are not limited to.

FIG. 1 is a flow chart according to an embodiment of the present invention. FIG. 2 is a view illustrating a method of sequentially laminating a wood plate material and a natural wood processed plate according to an embodiment of the present invention. FIG. 4 is a view illustrating a method of sequentially stacking SPLIT and a natural wood processed sheet according to an embodiment of the present invention, and FIG. FIG. 5 is a flow chart illustrating a method of manufacturing a plywood according to an embodiment of the present invention, FIG. 6 is a view illustrating cutting a plywood according to an embodiment of the present invention into a square bar, FIG. Fig. 8 is a view showing a shape of a circular rod according to an embodiment of the present invention. Fig.

The present invention relates to a method for manufacturing and processing a plywood, which is formed by alternately laminating and laminating a ligneous plate material and a natural wood processed plate into a circular shape after being formed into a square shape.

The wood plate material includes at least one of MDF (Medium Density Fiberboard), PB (Plastic Board), OSB (Oriented Strand Board), and laminate.

In addition, the natural wood processed sheet includes at least one of a veneer, a lumber or a wood.

In the present specification, for example, MDF, which is one kind of wood-based plate material, will be described and a veneer, which is one kind of natural wood processed plate, will be used.

The MDF and the veneer are examples and are not limited to the above types.

Referring to FIG. 1, the plywood is formed using a plurality of MDFs 111 and a veneer 112.

In addition, the MDF 111 and the veneer 112 may be formed as a pair, sequentially stacking the MDF and the veneer to form the pair, and pressing them to form the plywood 100, A step S110 of cutting the formed plywood 100 into a square bar 110 having a predetermined size and a step S120 of processing the square bar into a circular bar 110 'having a circular shape.

At this time, a pair means a plate in which one MDF and one veneer are stacked.

V Long shown in Figs. 2 to 5 means veneers.

2 to 5, the MDF 111 and the veneer 112 are alternately stacked and pressed together to form a plywood 100 so that the MDF 111 and the veneer 112 form a pair. A step S210 of forming a base layer using any one of the MDF 111 and the veneer 112, applying an adhesive to the upper surface of the single plate formed on the base layer to form an adhesive layer S210, (S220) stacking the adhesive layer by using any one of the MDF (111) or the veneer (112) which is not used for the base layer on the adhesive layer, applying an adhesive on the adhesive layer (S230); and stacking (S240) stacking the upper surface of the formed adhesive layer using any one of MDF or veneer which is not used for the single-layer coated with the adhesive.

The MDF 111 and the veneer 112 are repeatedly stacked so that the applied adhesive is penetrated between the repeatedly stacked MDF 111 and the veneer 112, And pressing and pressing the plate (S250) so as to form the plywood 100.

For example, when the MDF 111 is formed on the base layer, a veneer 112 is stacked on the MDF 111, an MDF 111 is stacked on the veneer 112, And the veneer 112 is stacked on top of the top plate 111 alternately.

A pair of the MDF 111 and the veneer 112 are stacked to form a pair so that the MDF 111 and the veneer 112 are alternately stacked in succession to form a pair will be.

At this time, the adhesive is applied to any one of the surfaces of the plate contacting the MDF 111 and the veneer 112, and the process of applying the adhesive and the pressing process are not separately shown.

The adhesive may use at least one of an isocyanate-based resin, an epoxy-based resin, an acrylic-based resin and a urethane-based resin.

The plywood 100 is formed by laminating 9 to 14 pairs of the plates P constituting the pair in the plywood 100 formed of the plurality of layers and stacking the plates P forming the pair, Is 35.0 mm to 42.0 mm.

At this time, the total thickness of the MDF 111 accounts for 53 to 66% of the total thickness of the plywood 100, and the thickness of each MDF 111 is 1.0 mm to 2.0 mm.

The thickness of the entire veneers 112 is 33 to 47% of the total thickness of the plywood 100, and the thickness of each of the veneers 112 is 1.0 to 1.8 mm.

At this time, the veneer 112 is divided into a hardwood and a conifer.

When the hardwood veneer 112 is used, the thickness of the veneer 112 is 1.0 mm to 1.5 mm, and the thickness of the softwood veneer 112, The thickness of the veneer 112 is 1.4 mm to 1.8 mm.

The SPLIT 113 shown in FIG. 5 is a kind of MDF 111, and since the MDF can not be manufactured to less than 2.0 mm, a plate formed by cutting the MDF in half is called SPLIT 113.

The thicknesses of the MDF 111, the V Long 112 and the SPLIT 113 shown in the figure are merely examples, and the thickness is not limited or limited.

In addition, the V Long 112 and the SPLIT 113 are shown in the wood grain direction.

Referring to FIG. 6, a square bar 110 having a predetermined size is shown.

The step of cutting the formed plywood into square pieces 110 having a predetermined size may include the steps of measuring the size of the plywood, equally dividing the plywood into square shapes according to the measured size, And a cutting step.

Accordingly, the length s of the plywood 100, the width w of the square bar 110, and the width of the cutting portion generated when the plywood is cut off are equal to each other in the step of equally dividing the rectangular shape according to the measured size α) is required.

In this case, when cutting the plywood 100 by the square bar 110, the width of the cutting portion is the same as a circular saw, which means a margin or an error range generated by the volume of the mechanism.

In addition, when cutting the plywood 100, it is possible to equally divide the plywood using equations (n) = length of plywood (s) / (width of square bar + width of cutting part)

In the figure, A indicates the direction of the wood formed on the plywood 100.

Referring to FIG. 7, the square bar is processed into a circular rod 110 '.

The step of machining the rectangular bar 110 into a circular rod 110 'having a circular shape includes a machining tool 220 having a round shaped workpiece 221 and a transfer unit 210, And is processed using the machine 200 having the power.

In this case, the machining step may include a step of transferring the rods 110 by the transfer unit 210 of the machine, a step of inserting the transferred rods 110 into the processing tool 220, The step of machining the square bar 110 with the formed cutting edge 221 is completed and the processed square bar 110 is completed with the circular bar 110 '.

The square bar is conveyed by the conveying unit 210 and the square bar 220 is rounded off by the rounded workpiece 221.

In addition, the processing tool 220 including the processing blade 221 is formed symmetrically so that the thickness of the square bar 110 cut away by the cutting edge is equally shaved.

Accordingly, the diameter d of the circular rod 110 'may be 30 mm to 40 mm in a step of processing the square bar 110 into a circular bar 110' having a circular shape, And has a small diameter.

Referring to FIG. 8, the shape of the circular rod 110 'processed through the above steps is shown.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the same is by way of illustration and example only and is not to be construed as limiting the present invention. It is obvious that the modification or improvement is possible.

It is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.

100: plywood 110: square bar
110 ': Circular rod 111: MDF
112: veneer board 113: SPLIT
200: machine 210: transfer part
220: Processing tool 221:

Claims (11)

A method for manufacturing and processing a plywood which is formed by alternately laminating and laminating a wood-like plate material and a natural wood-processed plate to a circular shape after being formed into a square bar shape,
The wood plate material and the natural wood processed plate are a pair,
Sequentially laminating and laminating the wood-plated material and the natural wood-processed plate alternately so that the wood-platy material and the natural wood-processed plate form a pair;
Cutting the formed plywood into square bars having a predetermined size;
Machining the square bar into a circular rod having a circular shape; Lt; / RTI >
The step of sequentially laminating and laminating the wood-like plate material and the natural wood-processed plate alternately so that the wood plate material and the natural wood processed plate form a pair,
Forming a base layer using any one of a woody plate material and a natural wood processed plate;
Applying an adhesive to an upper surface of the single plate formed on the base layer to form an adhesive layer;
Laminating an upper layer of the adhesive layer on the base layer using any one of a wood plate material not used in the base layer or a natural wood processed plate;
Forming an adhesive layer by applying an adhesive to an upper portion of the laminated layer;
Stacking the adhesive layer on the adhesive layer by using any one of a wood plate material or a natural wood processed plate not used in the single plate to which the adhesive is applied; And the steps are repeatedly performed to repeatedly stack the wood plate material and the natural wood processed sheet,
Pressing and pressing the overlapped plate so that the applied adhesive is penetrated between the repeatedly laminated wood plate material and the natural wood processed plate; Lt; / RTI >
In the plywood formed by the plurality of layers,
The plate, which is a pair of the wood plate material and the natural wood processed plate,
9 to 14 pairs are stacked to form the plywood,
The total thickness of the wood plate material is 53 to 66% of the total thickness of the laminate, and the thickness of each MDF, which is the wood plate material, is 1.0 mm to 2.0 mm,
Since the MDF can not be manufactured to less than 2.0 mm, the SPLIT made by cutting the MDF in half is used,
The step of cutting the formed plywood into square bars having a predetermined size may include measuring the size of the plywood; And equally dividing into a square shape according to the measured size; And cutting the plywood to an equal size; Further comprising:
The length s of the plywood and the width of the square bar and the width a of the cutting portion generated when the plywood is cut are required in the step of equally dividing the square according to the measured size, = The length of the plywood (s) / (the width of the square bar + the width of the cutting portion), the plywood can be equally divided in the same manner to cut the square bar, and a method for producing plywood using a natural wood- . delete delete The method according to claim 1,
In the plywood,
Wherein the thickness of the plywood is 35.0 mm to 42.0 mm. A method of processing a round bar through a method of manufacturing a plywood using a natural wood processed sheet material. The method according to claim 1,
The natural wood processed sheet may be one or more of broad-leaved trees and coniferous trees,
When the above-mentioned hardwood natural wood processed sheet is used,
The thickness of the hardwood natural wood processed sheet is preferably in the range of
Wherein the method comprises the steps of: preparing a plywood using a wood-based plate material and a natural wood-processed plate material; The method according to claim 1,
If you are using conifers natural wood treated plates,
The thickness of the softwood natural wood processed plate is preferably in the range
Wherein the method comprises the steps of: preparing a plywood using a wood-based plate material and a natural wood processed plate; The method according to claim 1,
The adhesive,
Wherein the resin is at least one selected from the group consisting of an isocyanate resin, an epoxy resin, an acrylic resin, and a urethane resin, and a method for manufacturing a round bar using the method of manufacturing a plywood using a natural wood processed plate. The method according to claim 1,
The step of machining the square bar into a circular rod having a circular shape includes:
A machine comprising a machining tool having a symmetrical and rounded blade and a transfer part and having a constant power,
Feeding a square bar by a conveying unit of the machine;
Inserting the conveyed square bar into the processing tool;
Machining the square bar by a cutting edge formed on the machining tool;
Completing the machined square bar with a circular rod; And a method of manufacturing a circular rod using the method of manufacturing a plywood using a natural wood processed sheet material. 9. The method of claim 8,
In the step of machining the square bar into a circular rod having a circular shape,
Wherein the diameter of the circular rod is 30 mm to 40 mm. The circular rod processing method according to claim 1, wherein the circular rod has a diameter of 30 mm to 40 mm. The method according to claim 1,
Wherein the wood plate material comprises
A round bar process through a method of manufacturing a plywood using a wood-based plate material and a natural wood processed plate, characterized by comprising at least one of MDF (Medium Density Fiberboard), PB (Plastic Board), OSB (Oriented Strand Board) Way. The method according to claim 1,
The natural wood processed sheet material is characterized in that,
A method of manufacturing a circular rod by a method of manufacturing a plywood using a woody plate material and a natural wood processed plate, characterized by comprising at least one of a veneer, a lumber or a wood material.

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