JP5473521B2 - Glulam processing machine and glulam processing method - Google Patents

Description

  The present invention relates to a laminated lumber processing machine and a laminated lumber processing method for laminating a plurality of wood.

  The laminated lumber is made by laminating long wood with a small cross-sectional dimension with an adhesive to reconstitute a wood material with a large cross-section. In the manufacturing process of the laminated wood, an adhesive is applied to the surface of dried wood, and several pieces of such wood are combined and bonded together under pressure. Glulam is mainly used as a building material.

  For example, as shown in FIG. 5, the method for manufacturing the aggregated square member described in Patent Document 1 is a long aggregated member 72 having a square cross section by combining a number of squared members 70, and the outer periphery of the aggregated material is tightened with a fastening tool 74. Two adjacent surfaces on the outer peripheral surface of the aggregate material are supported by the support body 76, and the other two adjacent surfaces are simultaneously pressed by the pressurizing body 78 from the outside in the opposing angle direction of the aggregate material, Is bonded and fixed. For this pressurization, a pressurizing device 80 equipped with a hydraulic cylinder is used.

  In addition, the simple press-bonding block adhering method described in Patent Document 2 is a method in which a large number of squares and plates are gathered together in a rectangular cross section and laminated, and an adhesive is applied to the joining surfaces of the squares to form an assembled block body. Then, it is made to adhere by applying a pressing force with a wire through four pairs of tools covering the four side surfaces.

  The manufacturing method of the laminated material of patent document 3 is a 2nd process of apply | coating an adhesive agent to the surface of each wood, and the 1st process of softening each wood while performing a water vapor process to multiple wood under high temperature and high pressure And a third step of pressing and compressing each piece of wood using a press cylinder to form a predetermined shape.

Japanese Patent No. 3946729 JP-A-57-126608 JP-A-7-32325

However, in the manufacturing method described in Patent Document 1, a combination of square members is used as an aggregate material, and it takes time to work such as tightening the aggregate material with a fastener, and a pressurization device equipped with a hydraulic cylinder or the like is a large-scale and the installation place is limited There is a problem that the economic burden is large and the handling is complicated. Similarly, the manufacturing method of Patent Document 3 has a problem that the apparatus becomes large.
Further, in the processing method of Patent Document 2, the pressing force is held by wire tightening. In this case, it is not easy to make the pressing force of the wire in all locations uniform, and the quality of the laminated material There is a problem in maintenance.

  The present invention has been made to solve the above-described problems, and provides a glulam processing machine and a glulam processing method that are simple in structure, easy to handle, and excellent in quality and economy. Objective.

  In order to solve the above technical problems, the laminated lumber processing machine 2 according to the present invention is arranged in a valley shape with the left and right holding plates 14 and 14 each having an inclination angle of 45 degrees as shown in FIG. The other holding plate 14 forms an angle of 90 degrees with respect to the one holding plate 14, and a plurality of long timbers 60 are combined on the upper portions of the both holding plates 14, 14 so that the timbers are in contact with each other. The support body 4 is supported so that the holding body 4 on which the laminated member 61 having a square cross-section with an adhesive applied on the surface to be mounted and the holding plates 14 and 14 can each maintain an inclination angle of 45 degrees. The support leg 8 and the left and right pressure plates 15 and 15 are arranged in a mountain shape with an inclination angle of 45 degrees, and the other pressure plate 15 forms an angle of 90 degrees with respect to one pressure plate 15. Pressurized body placed on top of the laminated material 61 placed on the holding body 4 Then, the both sides of the holding body 4 and the both sides of the pressure body 6 are tightened, and the pressure body 6 is pressed downward against the holding body 4 to hold the laminated material 61 in a pressurized state. It is the structure which has the fastening bolt 10 to do.

  The laminated lumber processing machine 2 according to the present invention has a plurality of headings in the inclined direction on the lower surface portions of the holding plates 14 and 14 of the holding body 4 and the upper surface portions of the pressing plates 15 and 15 of the pressing body 6. The rib plates 18, 19, 20, and 21 are fixed.

  In the laminated timber processing machine according to the present invention, the tightening bolt 10 is provided with an annular bearing portion 33 and a bolt portion 34 in which a screw groove is engraved, and a shaft body attached along both side portions of the holding body 4. 30, 31, 32 is rotatably fitted with the bearing portion 33, the bolt portion 34 is turned upward, the bolt portion 34 is engaged with both side portions of the upper pressure body 6, and the bolt In this configuration, a nut 38 is fastened to the portion 34 and the pressure body 6 is fastened to the holding body 4.

  In the laminated timber processing method according to the present invention, depending on the length of the wood 60, a plurality of the laminated timber processing machines 2 described above are arranged in series so as to be equivalent to the length of the wood 60, The wood 60 is arranged on the holding bodies 4 arranged in a row so that the laminated material 61 is formed, and the holding bodies 4 are covered with the pressure bodies 6 and fastened with the fastening bolts 10 to form the laminated body. It is to process the material 61.

  According to the laminated lumber processing machine according to the present invention, the left and right holding plates are arranged in a valley shape with an inclination angle of 45 degrees, respectively, and a plurality of long timbers are combined on the upper portions of both holding plates. A holding body on which the material is placed, a support leg that supports the holding body, and right and left pressure plates are arranged in a mountain shape with an inclination angle of 45 degrees, respectively, on the upper part of the laminated material placed on the holding body Adopting a configuration that has a pressure body that is placed over and a bolt that tightens between both sides of the holding body and both sides of the pressure body, the weight of the pressure body and the pressure caused by tightening the bolt Can propagate efficiently in the vertical and horizontal directions, and the wood can be maintained in a uniform and stable quality over the entire length, resulting in a good quality laminated wood. Since it has a structure that can only be tightened with a tool, the glulam processing machine is installed and fixed. It can be immediately put into the processing work of laminated timber, and it is excellent in workability because it does not select the use place, and there is no failure because it does not have a power part, and it can be used for a long time just by replacing parts such as friction parts, and maintenance management It has the effect of being easy and excellent in durability and economy.

  According to the laminated timber processing machine according to the present invention, a plurality of rib plates directed in the inclined direction are respectively fixed to the lower surface portions of both holding plates of the holding body and the upper surface portions of both pressure plates of the pressing body. Therefore, there is an effect that the strength of the holding body and the pressure body is ensured in a relatively lightweight form, and the movement and workability are excellent.

  According to the laminated timber processing machine according to the present invention, the tightening bolt is provided with a bolt portion in which an annular bearing portion and a screw groove are engraved, and the bearing portion is rotatably fitted on both sides of the holding body. Is engaged with the upper pressure body, and the nut is tightened and the pressure body is tightened against the holding body, so there is no complicated mechanism such as hydraulic pressure, so it is easy to move and no matter where it is used. Since no special operation is required, anyone can handle it immediately and it has good workability, and it is possible to supply a uniform product in terms of quality.

  According to the laminated timber processing method according to the present invention, a plurality of laminated timber processing machines are arranged in series, and the timber is arranged so that the laminated timber is formed on the holding bodies arranged in a row, and each holding body is respectively Since the laminated material is processed by tightening the pressure body with the tightening bolt, the laminated material processing machine can be divided into multiple units, and each of the laminated material processing machines can be moved and There is an effect that it can be moved relatively easily and is excellent in workability, and the space can be efficiently used so that a large space is not required and convenience is also excellent.

1 is a perspective view of a laminated lumber processing machine according to an embodiment of the present invention. It is a figure which shows the side surface of the laminated wood processing machine which concerns on embodiment. It is a figure which shows the plane of the laminated lumber processing machine which concerns on embodiment. It is a figure which shows the fastening operation | work form of the fastening bolt of a laminated wood processing machine. (A) is a figure which shows an aggregated square material manufacturing apparatus, and (b) is explanatory drawing of the processing direction of an aggregated material concerning a prior art example.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1-3 show the laminated lumber processing machine 2 according to the embodiment.
The laminated lumber processing machine 2 includes a holding body 4, a pressurizing body 6, a support leg 8, a fastening bolt 10, and the like. Each said member consists of steel materials.

The holding body 4 has holding plates 14 and 14 arranged on the left and right in a valley shape in cross section, and the other holding plate 14 is formed integrally with the one holding plate 14 at an angle of 90 degrees (right angle). ing.
For this reason, when the holding body 4 is installed in a normal state, the holding plates 14 and 14 are inclined at an angle of 45 °.

The upper end portions (both side portions) of the holding plates 14 are bent outward in the horizontal direction, and support plate portions 16 are formed here, respectively. Furthermore, the reinforcing plate 12 is attached to the upper part of each support plate part 16 and 16 by welding, respectively.
Further, on the upper surface of each of the holding plates 14, 14, a hard wood (Lauan material or the like) panel 17 is attached by a fastener 13 so as to cover substantially the entire holding plate 14.

Reinforcing rib plates 18 and 19 are arranged on the lower surfaces of the holding plates 14 and 14 in the direction of the slope, respectively, and upper ends of the rib plates 18 and 19 are welded to the holding plate 14. Each of these rib plates 18 and 19 has a shape in which the sides are in contact with each other on the lower side, and the contact portions are integrally connected by welding. The integrated rib plates 18 and 19 maintain the strength of the holding plates 14 and 14.
Each of the rib plates 18 and 19 is attached to a plurality of sheets (here, 10 sheets) at regular intervals. By using the plate-like rib plates 18 and 19 to reinforce the holding plate 14, the weight is relatively suppressed and the reinforcement can be performed strongly.

Support legs 8 are respectively provided on the left and right portions of the support plate portions 16 and 16 of the holding body 4 (between the second and third pieces and between the eighth and ninth pieces as counted from the rib plate at the end). , 8 are attached.
The support leg 8 is provided with a support bolt part 28 at a lower part of the square columnar leg part 26, and is configured to be adjustable in height.

  Moreover, it is the lower part of the support plate part 16 of each holding | maintenance board 14, Comprising: Between predetermined rib plates 18 and 19 (counting from the rib plate of an edge part, between the 1st sheet, the 2nd sheet, the 3rd sheet, Between the fourth sheet, the fifth sheet and the sixth sheet, between the seventh sheet and the eighth sheet, and between the ninth sheet and the tenth sheet, reinforcing members 22 are respectively attached by welding.

  The holding body 4 is provided with holes penetrating the upper portions of the rib plates 18 and 19, the reinforcing member 22 and the upper portions of the support legs 8, and ribs from the first to the fourth from the end. The first shaft 30 is inserted between the plates 18 and 19 through the holes. The shaft body 30 includes the fastening bolts 10 between the first and second rib plates 18 and 19 and between the third and fourth rib plates 18 and 19, respectively. 30 is pivotally supported.

  A second shaft 31 is inserted between the fifth and sixth rib plates 18 and 19, passing through the holes and collinear with the first shaft 30. A fastening bolt 10 is pivotally supported on the shaft body 31.

  Further, the third shaft body 32 is inserted between the seventh to tenth rib plates 18 and 19 through the holes. The shaft body 32 has the tightening bolts 10 between the seventh and eighth rib plates 18 and 19 and between the ninth and tenth rib plates 18 and 19, respectively. It is pivotally supported.

The tightening bolt 10 has an annular bearing portion 33 and a bolt portion 34 in which a screw groove is formed. A washer 36 is fitted on the bolt portion 34 and a nut 38 is screwed.
As shown in FIG. 2, the fastening bolt 10 pivotally supported by each shaft body 30, 31, 32 is rotatable about the shaft body.
In this embodiment, the above-described tightening bolt 10 is used for pressurization, but in addition, pressure is applied between the support plate portions of the holding body 4 and the pressurizing body 6 using a pressurizing machine such as a hydraulic device. It is also possible to adopt a form in which the pressure body is pressed downward with respect to the holding body.

Further, as shown in FIG. 3, the positioning pin 39 is erected upward on the support plate portion 16 between the sixth and seventh rib plates 18 of the holding body 4. A positioning pin 39 is erected on the support plate portion 16 on the other side of the holding body 4 between the fourth and fifth rib plates 19.
The positioning pins 39, 39 can be fitted into holes 41 provided at corresponding positions of the respective support plate portions 40, 40 of the pressurizing body 6 disposed above, whereby the pressurizing body for the holding body 4. 6 is set as a normal position.

  On the other hand, the pressure body 6 of the laminated lumber processing machine 2 is provided with pressure plates 15 and 15 in a cross-sectional mountain shape on the left and right, and the other pressure plate 15 is 90 degrees (right angle) with respect to one pressure plate 15. Are formed integrally with each other.

The lower end portions (both side portions) of the pressure plates 15, 15 are bent outward in the horizontal direction, and support plate portions 40, 40 are formed respectively. Further, reinforcing plates 42 are attached to the lower portions of the support plate portions 40, 40, respectively, by welding.
Moreover, the panel 17 is attached to the lower surface part of each said pressure plate 15 and 15 in the state which covers the substantially whole pressure plate 15, respectively.

Reinforcing rib plates 20 and 21 are disposed on the upper surfaces of the pressure plates 15 and 15 in the inclined direction, and the lower ends of the rib plates 20 and 21 are welded to the pressure plate 15. Each of these rib plates 20 and 21 has a shape in which the sides come into contact with each other on the upper side, and the contact portions are integrally connected by welding. These integrated rib plates 20 and 21 maintain the strength of the pressure plates 15 and 15.
The rib plates 20 and 21 are attached to a plurality of sheets (here, 10 sheets) at regular intervals.

  Moreover, it is the upper part of the support plate part 40 of each pressurization board 15, Comprising: Between predetermined rib plates 20 and 21 (counting from the rib plate of an edge part, between the 1st sheet, the 2nd sheet, the 3rd sheet, Between the fourth sheet, the fifth sheet and the sixth sheet, between the seventh sheet and the eighth sheet, and between the ninth sheet and the tenth sheet, a reinforcing material 48 is attached by welding.

And the recessed part 50 toward the inner side is formed in the outer center part of each said reinforcing material 48, and the support plate part 40 applicable to this. The bolts 34 of the tightening bolts 10 can be fitted into the recesses 50, respectively.
In addition, a circular bar 52 is disposed above each rib plate 21 so as to penetrate through a hole provided in each rib plate 21. The bar 52 is used for hooking a hook when the pressure member 6 is lifted by a crane or the like.

The glulam processing machine 2 here has a length of 1 m. This length is determined from the size and weight range that is easy to move and handle by constructing a lengthy processing machine from 4 pieces when gathering 4 m timber that is generally used. Is.
For this reason, when the length of the laminated material 61 is 4 m, for example, the four laminated material processing machines 2 are used in series.

Of course, according to the length of the laminated material 61 to be processed, it is possible to process the laminated material by arranging a plurality of laminated material processing machines 2 in series, and the laminated material using only one laminated material processing machine 2 Can also be processed.
Also, the length of the laminated lumber processing machine 2 is not limited to 1 m, and can be set to an appropriate length according to the thickness and length of the laminated lumber.

  The laminated lumber processing machine 2 is installed on the floor surface 3 for use. The height of each of the four support legs 24 that support the holding body 4 can be adjusted, and these are adjusted so that the overall height becomes horizontal. When the left and right support plate portions 16 and 16 of the holding body 4 are in a horizontal state, the holding plates 14 and 14 are inclined at 45 degrees with respect to the horizontal plane, so that the machining operation can be performed normally.

  Here, as a long timber processed into the laminated material 61, a square member 60 (150 × 150 mm) having a square section is used. In this square member 60, each of the four corners is slightly cut and chamfered. For this reason, when the four square members 60 are bundled, a hollow portion 59 is formed at a position where the four corner portions meet. The hollow portion 59 improves the adhesion between the square members 60 and functions as a space for the escape of the adhesive.

Further, here, the laminated material 61 (450 × 450 mm in this example) is processed using nine square members 60. Depending on the size, the square members 60 are used in such a manner that four, sixteen, twenty-five, etc. are used (generally, n × n pieces) and bundled into a square cross section.
This laminated lumber processing machine 2 can be applied to other cases where the cross section of the wood is rectangular or polygonal, and can be assembled if it can be arranged so that the state in which all the woods are bundled becomes a square cross section. .

  In this laminated lumber processing machine 2, since the wood holding body 4 has an inclination of 45 degrees, induction by its own weight is performed simply by placing the wood on the holding body 4, and the wood is ideally stored in the holding body 4. . Also, when placing wood, there is no need to worry about arranging it in close contact with each other, and there is no concern that the top wood will collapse. Yes.

Now, the processing method of the laminated lumber using the said laminated lumber processing machine 2 is based on the following work processes.
1. The fastening bolt 10 of the laminated lumber processing machine 2 is tilted forward.
2. Remove the pressure body 6 using a crane or the like and place it on the floor.
3. A predetermined amount of adhesive is applied only to the surface of the square member 60 that contacts the other square member 60 (glue processing), and is placed on the holder 4 of the laminated material processing machine 2.
4). Similarly, with respect to the remaining eight square members 60, the adhesive is applied only to the surface where the square members 60 come into contact with each other, and is sequentially stacked on the holder 4.
After all the 5.9 square bars 60 have been mounted, the pressure member 6 on the floor is lifted with a crane or the like, covered with the square bar 60 placed on the holding body 4, and held using the positioning pins 39. Place the body 4 at the original matching position.
6). The fastening bolt 10 is lifted back and the nut 38 is manually tightened from above.
7). At this time, the two workers A and B have a tightening tool such as a torque wrench, and as shown in FIG. 4, the three fastening bolts 10 on one side are simultaneously balanced in the order of 1 → 3 → 2, respectively. Tighten with a torque wrench until a predetermined crimping force is obtained (torque wrench torque is cut when a predetermined crimping force is applied). The tightening bolts 10 at other locations are also tightened with a good balance.
8). The laminated material 61 that is held for a predetermined time (until the adhesive is cured), then loosens the fastening bolt 10 and lifts and removes the pressurizing body 6 with a crane or the like, and is laminated with a crane (or a lift or the like). Take out.

  When using a plurality of the laminated timber processing machines 2, the necessary number of the laminated timber processing machines 2 are arranged in a line and in a straight line so as to be equal to the length of these timbers according to the length of the timber to be laminated. Use. In the case of using four laminated lumber processing machines 2, the four holding bodies 4 are arranged in a straight line, and the wood to be assembled is placed over each holding body 4. Then, each holding body 4 is covered with a pressure body 6 and fastened with a fastening bolt 10 to process the laminated material. The basic processing method does not change even when the number of the laminated lumber processing machines 2 increases.

  When the square member 60 is placed on the holding body 4, the first one of the square members 60 is placed on the deepest part of the valley shape of the holding member 4, and then the right and left parts of the square member 60 and the holding member 4 are held. The following two square members 60 are placed on the valley-like portions (two places) formed by the plate 14 respectively. Further, the following three square members 60 are respectively placed on the left and right portions of the square members 60 and the valley portions (three places) formed by the holding plate 14, and the valley portions (two places) formed by the left and right portions of the three square members 60. ), The next two square bars 60 are placed, and the last one square bar 60 is placed in a valley-like portion (one place) formed by the left and right parts of the two square bars 60.

  As described above, according to the laminated timber processing machine 2, when the square members 60 are placed, the square members 60 are in close contact with each other without any gap due to their own weights simply by placing the square members 60 on the valley-like portions formed one after another. Are stacked in an ideal state and stored in an ideally stacked state.

When the placement of all the square members 60 on the holding body 4 of the glulam processing machine 2 is finished, the square members 60 are stacked in a mountain shape (a 45 ° slope on the left and right).
And the pressurization body 6 is conveyed and moved with a crane etc., and it mounts on the upper part of the square member 60 described above. At this time, both positioning pins 39 provided on the holding body 4 are respectively inserted into the holes of the pressure body 6 to place the pressure body 6 at an accurate position. Thereafter, the laminated material 61 is processed according to the above procedure.

  Therefore, according to the embodiment described above, the holding body of the laminated lumber processing machine is inclined by 45 degrees, so that the weight of the pressurizing body and the pressure due to tightening of the tightening bolt can be efficiently performed in the vertical and horizontal directions. Propagation material can be obtained, and the wood is maintained in a uniform and stable state of quality over the entire length, and a high-quality laminated material is obtained. Moreover, since the hollow part was provided in the position where the corner | angular parts of wood contact | abut, wood adheres more closely and the adhesion state of an adhesive agent is stabilized.

  Moreover, since the laminated wood processing machine is divided into a plurality of units, and the total length of the laminated wood processing machine is composed of 4 units (4 pieces), the length of the laminated wood is 4 m. It is relatively easy to move and move the pressurizing body during processing of the laminated material, and the space can be used efficiently, so that a large space is not required and the convenience is excellent.

  In addition, the pressurization mechanism of the laminated timber processing machine has a structure that can only be tightened with a general-purpose tool. It is environmentally friendly without using energy, and can be moved anytime because there is no electrical wiring or piping.

Furthermore, when handling the laminated timber processing machine, the tightening operation can be started only by moving the pressurizing body, and no complicated electric operation is required. In terms of quality, it is possible to supply products that are uniform and have no difference compared to a processing machine using hydraulic pressure or the like.
In addition, the above-mentioned laminated lumber processing machine is designed to have no power section, so there is no electrical failure, etc., it can be used for a long time just by replacing parts such as the friction section, easy maintenance and durability, excellent running cost It is economical and economical.

4 Holding Body 6 Pressurizing Body 8 Supporting Leg 10 Clamping Bolt 14 Holding Plate 15 Pressure Plate 18, 19, 20, 21 Rib Plate 33 Bearing Part 34 Bolt Part 38 Nut 60 Wood (Square)
61 Glulam

Claims (4)

The left and right holding plates are arranged in a valley shape with an inclination angle of 45 degrees, and the other holding plate forms an angle of 90 degrees with respect to one holding plate. A holding body on which a laminated material having a square cross section in which an adhesive is applied to the surface where each wood comes into contact with each other in combination with a scale-like wood,
A support leg for supporting the holding body so that the holding plates can each maintain an inclination angle of 45 degrees;
The left and right pressure plates are arranged in a mountain shape with an inclination angle of 45 degrees, and the other pressure plate forms an angle of 90 degrees with respect to one pressure plate, and the upper part of the laminated material placed on the holding body A pressurizing body disposed over the surface,
There are tightening bolts that clamp the space between both sides of the holding body and both sides of the pressure body and pressurize the pressure body downward against the holding body to hold the laminated material in a pressurized state. Glulam processing machine characterized by that.   2. The laminated lumber processing according to claim 1, wherein a plurality of rib plates directed in an inclined direction are fixed to the lower surface portions of both holding plates of the holding body and the upper surface portions of both pressure plates of the pressing body. Machine.   The tightening bolt is provided with a bolt portion having an annular bearing portion and a screw groove, and the bearing portion is rotatably fitted to a shaft body attached along both side portions of the holding body. The bolt portion is engaged with both side portions of the upper pressure body, and the pressure body is fastened to the holding body by tightening a nut to the bolt portion. Item 3. A laminated lumber processing machine according to item 1 or 2.   Depending on the length of the wood, a plurality of the laminated timber processing machines according to any one of claims 1 to 3 are arranged in series so as to be equal to the length of the wood, and the holders arranged in a row A laminated material processing method, comprising: arranging the wood so that the laminated material is formed, covering each holding body with the pressure body, and tightening with the tightening bolts.

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