JP4043807B2 - Wood board connection panel manufacturing equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention is, for example, a panel used under a tatami mat, a roof, a wall, or the like as an architectural base material, and connects a small-width wooden board to form a large-width panel. It is about.
[0002]
[Prior art]
In recent years, it has been found that symptoms such as sore throat, headache, asthma occur due to formaldehyde and volatile organic compounds (UOC) contained in adhesives such as plywood and wallpaper in homes. It is a problem.
[0003]
On the other hand, the domestic forestry industry has been pushed down by cheap lauan timber imported from abroad, and the effective use of forest resources such as cedar and firewood has been neglected. In addition, Japanese cedar and firewood can often only be obtained with a narrow wooden board, so it is not possible to make a large panel, so many boards must be nailed during construction, from the point of workability Is also shunned.
[0004]
Therefore, in order to effectively use a small-width wooden board obtained from thinned wood or the like, for example, in Japanese Patent Publication No. 7-930, a plurality of rectangular wooden boards are arranged in the width direction, a sheet is bonded to one side, and the plural A panel formed by connecting wooden boards is disclosed.
[0005]
The plurality of wooden boards constituting the panel are connected by the sheet, and when the wooden boards are arranged, adjacent wooden boards are connected through a fitting portion formed on the side surfaces of the adjacent wooden boards, The unity of the panel is enhanced.
[0006]
According to this panel, since a plurality of wood boards are connected in advance, an on-site assembly process is not required, and even a non-expert can easily construct a wide panel.
[0007]
[Problems to be solved by the invention]
However, the panel has a problem in that the manufacturing process is complicated because the sheet needs to be bonded to one side of the arranged wooden boards, and the manufacturing cost is increased by the amount of the sheet and the adhesive.
[0008]
In addition, this sheet is bonded to a wooden board by heat fusion or an adhesive, but a synthetic resin such as nylon (polyamide) or vinylon (polyvinyl formal) is often used as the sheet or adhesive, and a synthetic resin is used. As a result, it is difficult to recycle, so there is a problem in terms of environmental load.
[0009]
Furthermore, there is a problem that a volatile organic substance represented by formaldehyde or the like is included in the adhesive, which is not preferable from the influence on the human body.
[0010]
Accordingly, an object of the present invention is to provide an apparatus for manufacturing a wood board connection panel in which a plurality of wood boards can be connected without using a sheet or an adhesive to form a panel having a large area.
[0011]
[Means for Solving the Problems]
In order to achieve the above object, a manufacturing apparatus for a wood board connection panel according to the present invention comprises a conveying means for arranging and transporting elongated wood boards of a predetermined width cut out from a raw wood in the width direction, and at least of the wood boards arranged in the width direction. A groove forming means for forming a continuous groove along the width direction on one side, and a linear member inserting means for inserting a linear member made of bamboo straw of a predetermined length into the groove and connecting the wood board The linear member inserting means supplies the linear member above the opening of the groove, and inserts the linear member into the groove gradually and deeply by a plurality of rollers. It is characterized by being structured .
[0012]
According to the present invention, the conveying means conveys the narrow wooden boards of a predetermined width cut out from the raw wood in the width direction, and the groove forming means provides at least one side of the wooden boards arranged in the width direction in the width direction. A wide-area panel can be manufactured by forming a continuous groove along the line, inserting a linear member having a predetermined length into the groove and connecting the wooden boards by the linear member inserting means.
[0013]
In this way, a large-area panel can be configured by connecting a plurality of wooden boards without using sheets or adhesives, so that forest resources can be used effectively, and since no sheets or adhesives are used, it is safe for the human body. And there are no environmental problems.
[0014]
In this invention, it is preferable that the said groove formation means forms a dovetail groove inside wider than an opening part. According to this aspect, it is possible to make it difficult for the linear member to come off when the linear member is inserted.
[0015]
Further, the groove forming means has at least two rotary saw blades arranged on the same straight line along the conveying direction, and these rotary saw blades pass through the straight line and are perpendicular to the wood board. It is preferable to incline by a predetermined angle in the opposite directions to each other. According to this aspect, the opening is formed by forming grooves inclined in opposite directions while tracing on the same straight line by at least two rotary saw blades arranged on the same straight line and inclined in opposite directions. It is possible to efficiently form a dovetail groove that is wider inside than the portion.
[0017]
Furthermore, it is preferable that the both sides | surfaces of the said wooden board are provided with the recessed part or convex part along a longitudinal direction which fits adjacent wooden boards. According to this aspect, it is possible to more firmly connect the wooden boards, and it is possible to prevent a large gap from being generated between the wooden boards.
[0018]
DETAILED DESCRIPTION OF THE INVENTION
The outline of the manufacturing process of the wood board connection panel to which the manufacturing apparatus of the present invention is applied is shown in FIG.
[0019]
The figure (a) shows the raw material tree 1 felled in the mountain forest, this is cut | disconnected by a normal method, and it is set as the wooden board 2 of the predetermined width shown in the figure (b).
[0020]
FIG. 2C shows a cutting device that cuts both the side surfaces and the top and bottom surfaces of the wooden board 2. The cutting device 3 includes top and bottom cutters 4 a and 4 b that flatly cut the top and bottom surfaces of the wooden board 2, and both side surfaces of the plate material 2. And both side cutters 5a and 5b. By the both-side cutters 5a and 5b of the cutting device 3, a convex portion 11a having a mountain-shaped cross section is formed on one side surface of the wooden board 2, and a concave portion 11b having a V-shaped cross section is formed on the other side surface of the plate material 2. The When the wooden boards 11 formed in this way are arranged and brought into contact with each other in the width direction, the convex parts 11a and the concave parts 11b of the adjacent wooden boards 11 are fitted to each other, thereby increasing the connecting force of the wooden boards 11 and preventing the generation of gaps. be able to.
[0021]
FIG. 4D shows a step of forming a continuous groove 12 extending in the width direction on the wooden boards 11 arranged in the width direction, and inserting the linear member 13 into the groove 12 to connect the wooden boards 11. Is shown. As the linear member 13, bamboo is Ru is used.
[0022]
FIG. 4E shows the wood board connection panel 10 formed in this way. A plurality of wood boards 11 are arranged in the width direction, and these are connected by a linear member 13 to form a relatively large panel. FIG. 5F shows a state in which the finished wood board connection panel 10 is transported by a truck or the like.
[0023]
In the manufacturing method of the wood board connection panel of the present invention, in the step (d), the groove 12 is formed in the wood board 11, the linear member 13 is inserted into the groove 12, and the wood board 11 is connected. It is an apparatus used for manufacturing the connection panel 10.
[0024]
Hereinafter, with reference to FIGS. 2-8, one Embodiment of the manufacturing apparatus of the wood board connection panel by this invention is described. 2 is a front view of the manufacturing apparatus, FIG. 3 is a plan view of the manufacturing apparatus, FIG. 4 is a front view of the groove forming means, FIG. 5 is a side view of the groove forming means, and FIG. 7 is a side view showing a state in which the cutter is rotated in the means, and FIG. 7 is a front view of the linear member inserting means.
[0025]
As shown in FIGS. 2 and 3, the manufacturing apparatus has a total of four rows of belt conveyors 20 for transporting the wooden boards 11 side by side in the width direction. Each belt conveyor 20 is rotationally driven by a motor 21 provided at one end thereof. A guide plate 22 that restricts the upper surface of the wooden board 11 and prevents it from rising is disposed above the belt conveyor 20 by the thickness of the wooden board 11. The belt conveyor 20, the motor 21, and the guide plate 22 constitute the conveying means in the present invention.
[0026]
On the conveying path of the belt conveyor 20, the groove forming means 30 is arranged. The groove forming means 30 has two rotary saw blades 31 and 32. 4 to 6 show a drive mechanism for one of the rotary saw blades 31. Since the rotary saw blade 32 has the same drive mechanism, the drive mechanism of one rotary saw blade 31 will be described below.
[0027]
In FIG. 4, a support plate 35 is fixed to the apparatus frame 33 via a substrate 34. A rotating substrate 37 is attached to the support plate 35 via a support shaft 36. The rotating substrate 37 has guide pins 39 that slide in arcuate grooves 38 provided on the support plate 35. The support plate 35 is provided with a handle 40 for fixing the rotating substrate 37 at an arbitrary rotating position.
[0028]
An upper and lower slide base 41 that can slide up and down with respect to the rotation substrate 37 is attached to the rotation substrate 37. The vertical slide base 41 is slid up and down by a ball screw 43 rotated by a handle 42 and can be fixed at an arbitrary slide position by a handle 44.
[0029]
A left and right slide base 45 slidable to the left and right with respect to the vertical slide base 41 is attached to the vertical slide base 41. The left / right slide base 41 is slid left and right by a ball screw 47 (see FIG. 5, omitted in FIG. 6) that is rotated by a handle 46. Further, the handle 48 can be fixed at an arbitrary slide position.
[0030]
A motor 50 is installed on the left and right slide base 41 via a support plate 49, and a rotary saw blade 31 is attached to the rotating shaft of the motor 50. The motor 50 is attached to the support plate 49 so that its attachment angle can be adjusted within a predetermined range.
[0031]
A rail 51 that receives the wooden board 11 is disposed below the rotary saw blade 31. The wooden board 11 is formed on the conveyor 20 while the groove 12 along the width direction is formed by the rotary saw blade 31 while moving.
[0032]
When the groove 12 is formed, the rotary saw blade 31 is disposed to be inclined at a predetermined angle in the left direction in FIG. Although not shown, the other rotary saw blade 32 is arranged to be inclined at a predetermined angle in the right direction in FIG. 5 with respect to the plane perpendicular to the wooden board 11. And the rotary saw blades 31 and 32 corresponding to the front and rear are located at the same position in the length direction of the wooden board 11 and are arranged so as to cut the same line along the width direction.
[0033]
In this way, by cutting the same line with two rotary saw blades 31 and 32 that are inclined with respect to the wooden board 11 and opposite in the inclination direction, the inside is formed with a dovetail groove wider than the opening. A groove 12 is formed.
[0034]
The inclination angle of the rotary saw blades 31 and 32 with respect to the vertical plane is preferably 0 to 10 °, and more preferably 2 to 7 °. When the tilt angle is 0 °, a dovetail groove is formed instead of a normal straight groove, but by using two rotary saw blades 31 and 32, a merit that the groove width can be adjusted is obtained. Further, if the inclination angle exceeds 10 °, the inside becomes too wide than the opening, and even if the linear member 13 is press-fitted, it is loosened inside, so that it is difficult to firmly connect the wood 11. .
[0035]
As the linear member 13, it is preferable to adopt a member that is wider than the width of the opening and the same as or narrower than the inner width. The effect can be enhanced.
[0036]
In the case of this embodiment, five lines in which the rotary saw blades 31 and 32 are provided are provided in the length direction of the wooden board 11. However, the number of the grooves 12 formed is not particularly limited, and preferably two or more grooves are formed.
[0037]
A linear member inserting means 60 is arranged in front of the groove forming means 30 along the conveying line of the wooden board 11. In this embodiment, the linear member inserting means 60 has a stocker 61 for accommodating the linear member 13 made of bamboo. Then, the linear member 13 loaded on the stocker 61 is successively sent out from the lower end of the linear member 13 by sending means (not shown).
[0038]
As shown in FIG. 7, a first pushing roller 63 is arranged adjacent to the outlet 62 of the linear member 13 of the stocker 61. The first push-in roller 63 is mounted on an operating rod 67 of an air cylinder 66 attached via a bracket 65 fixed to the frame 64.
[0039]
A second push roller 68 is disposed adjacent to the first push roller 63. The second pushing roller 68 is attached to the operating rod 71 of the air cylinder 70 attached to the frame 69. The second pushing roller 68 can be lowered further than the first pushing roller 63.
[0040]
A third fixed roller 73 attached to the frame 69 via a bracket 72 and a fourth fixed roller 75 also attached to the frame 69 via a bracket 74 are disposed adjacent to the second pushing roller 68. Yes.
[0041]
A plurality of receiving rollers 76 are arranged below these rollers. The linear member inserted in the groove 12 of the wooden board 11 is set such that the distance between the fourth fixed roller 75 and the receiving roller 76 is shorter than the distance between the third fixed roller 73 and the receiving roller 76. 13 is finally sandwiched between the fourth fixed roller 75 and the receiving roller 76 and passes through here to be inserted to the depth of the groove 12.
[0042]
Referring again to FIGS. 2 and 3, a side cutter 77 is disposed in front of the linear member inserting means 60 along the conveying line of the wooden board 11. Again, the cutters 77 are positioned at both ends of the wooden board 11 in the length direction, and play a role of cutting both ends of the wooden board 11 so as to have a predetermined length.
[0043]
An upper surface cutter 78 for smoothing the surface of the wood board connection panel 10 by cutting a portion protruding from the surface of the wood board 11 of the linear member 13 along the conveyance line of the wood board 11 is disposed further forward of the side cutter 77. Has been. The upper surface cutter 78 is provided for each insertion line of the linear member 13, but only one of them is shown in FIG. 3 and the others are omitted.
[0044]
Next, the operation of this wood board connection panel manufacturing apparatus will be described.
First, the worker arranges the wooden boards 11 in the width direction and supplies them from the start end of the belt conveyor 20. The wooden board 11 is carried on the belt conveyor 20 while the upper surface is regulated by the guide board 22.
[0045]
The wood board 11 reaches the groove forming means 30 and cuts the same line with the rotary saw blades 31 and 32 corresponding to the front and rear. Since the front and rear rotary saw blades 31 and 32 are inclined at a predetermined angle from the plane perpendicular to the wooden board 11 by a predetermined angle, the grooves are formed by being obliquely cut from opposite directions, and as a result, the opening portion As a result, a groove 12 having a wider dovetail is formed inside.
[0046]
In the operation of the groove forming means 30, the height and the width direction position of the rotary saw blades 31, 32 are adjusted by operating the handles 42, 46 to move the vertical slide base 41 and the horizontal slide base 45. Can do. Further, when exchanging the rotary saw blades 31 and 32, as shown in FIG. 6, the rotary saw blades 31 and 32 can be directed obliquely upward by rotating the rotary substrate 37.
[0047]
The wooden board 11 thus formed with the grooves 12 then reaches the linear member inserting means 60. Here, the linear member 13 is supplied from the stocker 61 to each groove 12, and first, the first pushing roller 63 is pushed downward by the operation of the air cylinder 66. Subsequently, the second pushing roller 68 is pushed downward by the operation of the air cylinder 70, and the linear member 13 is pushed further deeply into the groove 12. Further, the linear member 13 is completely inserted into the groove 12 by being pressed by the third fixed roller 74 and the fourth fixed roller 75 that are fixedly arranged. The linear member 13 is inserted across the width direction of the plurality of wooden boards 11, and connects the plurality of wooden boards 11 to form a large connection panel 10.
[0048]
The wood plates 11 thus connected are further cut by the side cutter 77 so that both ends have a predetermined length, and the upper surface cutter 78 is arranged so that the portion protruding from the upper surface of the wood plate 11 of the linear member 13 coincides with the upper surface. It is cut flat and taken out as a finished wood board connection panel 10.
[0049]
In the present invention, as the groove forming means 30, after forming a groove perpendicular to the upper surface of the wooden board 11 by, for example, a rotating saw blade, the inner wall of this groove is further reverse tapered with the tip diameter expanded. It is also possible to employ a structure that is cut by a router that is a rotary cutting tool.
[0050]
Moreover, if the length of the wooden board 11 is prepared in advance, the side cutter 77 may not be provided. Further, even if the linear member 13 partially protrudes from the surface of the wooden board 11, there is no particular problem in its use, or the linear member 13 does not protrude from the surface of the wooden board 11 and fits in the groove 12. If it can be inserted in this way, the upper surface cutter 78 may not be provided.
[0051]
【The invention's effect】
As described above, according to the present invention, the transporting means transports the narrow wooden boards having a predetermined width cut out from the raw wood in the width direction, and at least of the wooden boards aligned in the width direction by the groove forming means. A continuous groove along the width direction is formed on one side, and a linear member of a predetermined length is inserted into this groove by a linear member inserting means to connect a wooden board to produce a panel with a large area. can do.
[0052]
In this way, a large-area panel can be configured by connecting a plurality of wooden boards without using sheets or adhesives, so that forest resources can be used effectively, and since no sheets or adhesives are used, it is safe for the human body. And there are no environmental problems.
[Brief description of the drawings]
FIG. 1 is an explanatory diagram showing an outline of a manufacturing process of a wood board connection panel to which a manufacturing apparatus of the present invention is applied.
FIG. 2 is a front view showing an embodiment of an apparatus for manufacturing a wood board connection panel according to the present invention.
FIG. 3 is a plan view of the manufacturing apparatus.
FIG. 4 is a front view showing a groove forming means in the manufacturing apparatus.
FIG. 5 is a side view of the groove forming means.
FIG. 6 is a side view showing a state in which the cutter is rotated in the groove forming means.
FIG. 7 is a front view of a linear member inserting means in the manufacturing apparatus.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Wood board connection panel 11 Wood board 12 Strip groove 13 Linear member 20 Belt conveyor 30 Strip groove formation means 31, 32 Rotary saw blade 60 Linear member insertion means 61 Stocker 63 1st pushing roller 68 2nd pushing roller 73 3rd fixed roller 75 Fourth fixed roller

Claims (4)

Conveying means for arranging and transporting narrow wooden boards of a predetermined width cut out from the raw wood in the width direction, and forming a groove that forms a continuous groove along the width direction on at least one side of the wooden boards arranged in the width direction. Means, and linear member insertion means for connecting the wooden board by inserting a linear member made of bamboo string of a predetermined length into the groove,
The linear member inserting means is configured to supply the linear member above the opening of the groove, and to insert the linear member into the groove gradually and deeply by a plurality of rollers. An apparatus for manufacturing a wood board connection panel.   2. The apparatus for manufacturing a wood board connection panel according to claim 1, wherein the groove forming means forms a dovetail having a wider inside than the opening.   The groove forming means has at least two rotary saw blades arranged on the same straight line along the transport direction, and these rotary saw blades pass through the straight line and are perpendicular to the wood board. The wood board connection panel manufacturing apparatus according to claim 2, wherein the wood board connection panel is inclined at predetermined angles in opposite directions. The manufacturing apparatus of the wooden board connection panel as described in any one of Claims 1-3 in which the recessed part or convex part along a longitudinal direction which makes adjacent wooden boards fit is provided in the both sides | surfaces of the said wooden board. .

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