JP2509779B2 - Loghouse processing equipment for log houses - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a processing apparatus for mechanically processing various cutouts for combining log materials which are structural materials of a log house.

[0002]

2. Description of the Related Art As is well known, a log house is one in which logs are stacked side by side to form a wall, and a truss is assembled on the wall. Grooves (engagement grooves) are formed in and the notches are formed at the intersections and combined, and it is necessary to accurately process the grooves and notches so that no gap is created between the logs when they are stacked. . The conventional processing means is
A scribe line (compass with level) is used to draw a vertical line on a log material, and the line is used as a reference for processing, and most of the cutting is done by a chain saw.

[0003]

However, since the log material has different thicknesses at the opening and the closing opening, the opening and the closing opening can be stacked alternately, and the diameters of the logs are different. Therefore, each notch has different dimensions, and each notch must be accurately finished in order to stack without gaps, but since it is cut with a chain saw as described above, even an expert can be careful. Attention has been paid. On the other hand, log materials, unlike prisms, do not require lumber processing costs and can be obtained at a relatively low price, especially if thinned wood, but as it takes a lot of processing time as mentioned above, the number of construction days becomes long, There were problems such as being expensive.

The present invention is to solve the above problems, and an object thereof is to provide an apparatus for processing a log material for a log house, which can be processed accurately and quickly according to a required size.

[0005]

According to the present invention, there is provided a plurality of undulating supports for supporting an intermediate portion of a log material between a pair of left and right holding means for horizontally supporting the both ends of the log material. Groove cutting means that forms a groove for meshing the intermediate pillars and the log materials that are vertically stacked on each other over the entire length, notch forming means that cuts the log material into a triangle in the part where the log materials are crossed, and cutting into a rhombic cross section And a notch forming means for cutting into a rhombic cross-section including a mountain-shaped male part that fits into a triangular notch, and the groove cutting means, the notch forming means, and the notch forming means slide in parallel with the longitudinal direction of the log material. It is characterized in that it is movably provided, and that it is provided so as to be reciprocally moved in a direction orthogonal to the longitudinal direction of the log material and vertically adjustable.

In addition to the above construction, the log material is provided with a hole forming means for making a through hole through which a fastening bolt is inserted, at a right angle to the length thereof.

The groove cutting means is an upper groove in which a large and small cutter having a trapezoidal trapezoidal shape is provided on the upper drive shaft of the upper and lower drive shafts of the log material projecting upward and downward, and a large size is continuously provided on the tip side and a small size on the base side. The present invention is characterized by including a cutting cutter, and a lower groove cutting cutter in which large and small trapezoidal cutters are continuously provided on the lower drive shaft on the tip side and small on the base side.

The notch forming means is characterized in that a pair of circular saw blades of a disk are arranged in a staggered manner with respect to a log material, and both circular saw blades are provided so as to be inclined in a mountain shape.

In the notch forming means, a pair of cylindrical cutters are arranged in a V shape so as to sandwich both sides of the log material, and both cylindrical cutters are provided so as to be swingable in the longitudinal direction of the log material. It is characterized by being

[0010]

In this device, the blube is cut over the entire length of the log material, and the orthogonal parts of the log material are cut so that the cross-sectional shape becomes a rhombus (parallelogram), and the upper half is It is a male part of a chevron, the lower half is cut into an inverted triangle to form a rhombus in cross section, and a notch of an inverted triangle is formed when viewed from a direction orthogonal to the length of the log. In order to assemble the two in a vertical manner, the chevron-shaped male parts are housed in the inverted triangular notches, and the upper and lower grooves are meshed with each other and stacked.

Therefore, the log material processing procedure according to the apparatus of the present invention is as follows: A) The log material is horizontally laid by the pair of left and right holding means while keeping its core, and the intermediate column is erected to prevent the log material from swinging. B) Next, set the upper and lower groove cutting cutters of the groove cutting means at predetermined positions of the log material, adjust the depth thereof, and then move the cutter along the length of the log material while rotating the cutter. Shape the groove. However, since the thickness of the main opening is different from that of the end opening, the groove is moved while adjusting the depth of the groove according to the thickness. C) Next, after setting the blade of the notch forming means at a predetermined position of the log material, the blade is rotationally driven to form the notch. At that time, if the blades are inclined in a chevron shape,
By feeding the blade from the side of the log material, first the leading blade makes a sloping cut, then the other blade makes a sloping cut on the opposite side, so at the same time as this cutting, the triangular waste material is cut off, A triangular notch is formed in the log when viewed from the side. D) Next, as described above, the blade of the notch forming means is used to form a rhombic cross section by scooping out from the one having a round cross section. By notching in the rhombus, the notch is engaged with the upper half of the log material. The male part is cut out, and the notch is formed in the lower half, but it is also formed in an inverted triangle in a different direction from the upper half but similarly. If this processing is cut with a pair of V-shaped cylindrical cutters, after cutting the notch,
By feeding a V-shaped cylindrical cutter directly below the log and swinging the cutter in the front-back direction while rotating the cutter, the shape of the lower half of the rhombus can be cut in the lower half of the log. At that time, since it is intended to cut by swinging the cylindrical cutter of V-shaped in the longitudinal direction, is cut in the longitudinal direction long elliptical, although the hypotenuse of the triangle at the center thereof, gouge according leads back and forth The amount of inclusion is shallow. E) After forming the lower half as described above, turn the log upside down and lay it horizontally again while keeping the core with both holding means, and then drive the V-shaped cylindrical cutter again in the same manner as above. By doing so, the diamond shape can be finished. F) It is preferable to insert a fastening bolt into each log material in order to more reliably maintain the safety of the stacked walls as described above. At that time, a plurality of through holes are formed by the perforating means.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The processing apparatus of the present invention will be described in detail. As shown in FIGS. 1 and 2, holding means 1 and 1 are provided on both ends of a position where the processing apparatus is installed. Are provided so as to be fixed so that they can be moved toward and away from each other along the direction of separation, and second and third rails 3 and 4 are laid on both sides between both holding means 1 and 1, respectively, and one second rail. 3, a punching means 5 and a groove cutting means 6 are slidably provided, and a notch forming means 7 and a notch forming means 8 are also slidably provided on the other third rail 4.

Further, the state of being processed by this apparatus is shown in FIG. 7, but when a plurality of through holes a vertically penetrating over the entire length of the log material are opened at intervals and the log materials are piled up. , Is to reinforce each through hole a by fastening bolts b,
However, in some cases, it is not always necessary to reinforce, and in that case, it is not necessary to make a through hole. Next, a saw-toothed groove c is formed so that the upper and lower logs to be stacked are meshed with each other and stacked on each other over the entire length of the logs W in the vertical direction. Further, a notch cutout d is formed in a portion where logs are crossed and piled up. The notch cutout d includes types called a notch, a saddle notch, a scandinavian notch, etc. That is, a notch is formed in a rhombus shape to form a notch to be combined.

Therefore, as shown in FIG. 1, the holding means 1 is provided with a chuck 10 on a supporting column 9 sliding on the first rail 2, one directly on the supporting column 9, and the other screw screw 1 provided on the supporting column 9.
The chuck 10 has a center pin 12 at the center of a disk and a plurality of claws 13 projectingly inserted into and removed from the periphery thereof. Further, the interval is adjusted according to the length of the log material W on which the columns 9, 9 are processed, but they are fixedly fixed at the adjusted position by a conventionally known fixing means (not shown). Both columns 9,
When installing the log material W between the nine, a hole is made in the core of the log material W, the center pin 12 is inserted into the hole, and each claw 1
3 is driven to support non-rotatably.

Further, since the log material W is long,
As shown in FIG. 1, a plurality of intermediate columns 14 are provided so as to be capable of undulating so that the intermediate portion does not sag, and the undulation is forcibly performed by, for example, a cylinder.

As shown in FIGS. 1, 2 and 3, the perforating means 5 includes a perforating frame 16 on the first carriage 15 on the second rail 3 and a log W side on the first feed handle 17. It is installed so that it can be sent to the
A slider 19 that moves up and down with a lifting handle 18 is provided, and a motor 20 provided downwardly on the slider 19 is provided with a drill 2
1 is attached. The first carriage 15 is moved along the erected log material W, the perforated frame 16 is fed to the log material W side by the first feed handle 17 at a predetermined position, and the drill 21 is aligned with the center line of the log material W. From the above, the through hole a is opened while rotating and driving.

As shown in FIGS. 1, 2 and 4, the grooving means 6 includes a grooving frame 22 on the first carriage 15.
Is provided so as to be movable up and down and to the log side by the second lifting handle 23 and the second feed handle 24, and the pair of upper and lower second and third motors 25 and 26 are projected on the groove cutting frame 22 toward the log side. And the upper and lower drive shafts 28 and 29 are provided with upper and lower groove cutting cutters 30 and 31 for cutting the groove c on the upper drive shaft 28 and the lower drive shaft 29, respectively. It is a thing. The upper groove cutting cutter 30 attached to the upper drive shaft 28 is a large cutter of the trapezoidal cross section as shown in FIG. The lower grooving cutter 31 to be provided is also composed of large and small cutters having a trapezoidal cross section, and the small cutter is provided first and then the large cutter is provided continuously. When performing grooving, the gap between the upper and lower grooving cutters 30 and 31 is adjusted at a position deviated from the tip of the log W and then driven, and the first carriage 15 slides along the second rail 3 as it is. By doing so, the desired groove c can be cut all at once in the vertical direction.

The notch forming means 7 is, as shown in FIGS. 1, 2 and 5, the second carriage 3 traveling on the third rail 4.
2, the notch molding frame 33, the third lifting handle 34
The third feed handle 35 and the third feed handle 35 are provided so as to be movable up and down and to the log side, and the frame 33 has a pair of circular saw blades 3.
The circular saw blades 36, 37 are provided by arranging 6, 37 in a back-and-forth manner with respect to the log material and inclining in a mountain shape.
Are driven by fourth and fifth motors 38 and 39, respectively. The opening angle of both circular saw blades 36, 37 is 90 °. Double circular saw blade 36 to the position where the notch is formed,
After moving 37, adjust up and down according to the log material W to be erected, and if both circular saw blades 36 and 37 are driven to rotate toward the log material W, the apex angle of the log material W will be increased. 90
The notch e of an isosceles triangle forming an angle of 0 is cut out.

As shown in FIGS. 1, 2 and 6, the notch forming means 8 includes a notch forming frame 40 on the second carriage 32, a fourth lifting handle 41 and a fourth feed handle 4.
It is provided so as to be movable up and down and to the log material side with 2, and is provided so as to be orthogonal to the longitudinal direction of the log material on which the rotation shaft 43 is installed on the frame 40. With a supporting rod 45 in the shape of
As shown in FIG. 6, the V-shaped support rod 45 is provided in such a manner that a log material is sandwiched from both sides, and cylindrical cutters 46 and 47 are respectively provided on both pieces of the support rod 45 for the sixth and seventh motors 47, respectively. , 48 are rotationally driven. The above-mentioned cylindrical cutters 46, 47 are formed by arranging a plurality of blades over the entire length of the cylinder in a radially detachable manner on the outer periphery of the cylinder, or a tip to be a blade is attached to each protruding portion of a roller having a windmill-shaped cross section. It was formed by. In order to process with the above-mentioned notch forming means 8, both the cylindrical cutters 46 and 47 are arranged at the positions where the notches e have been cut, and the notch forming frame 40 is once lowered to slip under the log material W,
After ascending again to bring both the cylindrical cutters 46, 47 into contact with the outer surface of the log material W, while driving the both cylindrical cutters 46, 47, the operating handle 44 is rotated in the forward and reverse directions within a range of 180 °. Thus, the two cylindrical cutters 46, 47 swing and cut in the front-back direction of the log material to form an inverted triangle below the notch cutout portion d for cutting from a circular shape to a diamond shape. Next, in order to perform notch molding of the triangle above the notch notch portion d, each claw 13 of the holding means 1 is pulled out and the center pin 12 is removed.
If the log W is inverted around the center, the pawls 13 are driven again to hold it unrotatably, and then the cut forming means 8 cuts it again in the same manner as described above, the male portion fitted into the notch e there. f is what is molded.

As described above, after the log material W is laid horizontally, a plurality of through holes a are formed by the hole forming means 5, and then the groove c is formed by the grooving means 6 in the entire length above and below the log material W. Then, the notch forming means 7 is provided with the notch e, and then the notch forming means 8 is used to form and finish the diamond-shaped notch notch portion d having the male portion f.

[0021]

According to the processing apparatus for log material for a log house according to the present invention, the log material is installed horizontally while keeping the core by the holding means, and then sequentially processed by the groove cutting means, the notch forming means and the notch forming means. Since each means is provided so as to slide in the direction orthogonal to the parallel direction along the log material which is horizontally installed and is capable of moving up and down, the core is kept by the holding means. By erection, each required processing can be performed accurately, the efficiency of the processing can be doubled, and the construction period of the log house can be significantly shortened.

Further, in addition to the above-mentioned means, as long as the punching means is similarly slidable in the parallel and orthogonal directions and can be raised and lowered, even a log material having a relatively small diameter such as a thinning material. The connecting bolts can be inserted into the stacked logs to enhance the connection strength, and the construction period of the log house can be significantly shortened, and the log house can be provided at low cost.

Further, since the holding means is provided with a pair of opposing columns which are adjustable in space and each column is provided with a chuck, it is possible to support the log according to the length of the log material, and further, the intermediate member. Since the pillar also supports the middle part of the log material, even long materials can be finished with accurate dimensions while maintaining the core.

Since the groove cutting means is provided with a pair of upper and lower groove cutting cutters, the upper and lower grooves can be cut all at once and in parallel.

Further, the notch forming means is such that a pair of circular saw blades are arranged in a staggered manner in the front and rear, and both circular saw blades are provided so as to be inclined in a mountain shape. You can easily make a cutout at once.

Further, since the notch forming means is constituted by combining a pair of cylindrical cutters in a V shape and oscillating in the front-rear direction by sandwiching the log material from both sides, it is possible to oscillate. The log is cut into an inverted triangle, and by performing the work up and down, a notch cutout with a rhombus cross section can be formed in the middle of the log. It will be possible to surely finish with accurate dimensions without failure such as passing.

[Brief description of drawings]

FIG. 1 is a front view showing an apparatus for processing a log material for a log house according to the present invention.

FIG. 2 is a plan view of the same.

FIG. 3 is a side view showing a punching means.

FIG. 4 is a side view showing a groove cutting means.

FIG. 5 is a side view showing a notch forming unit.

FIG. 6 is a side view showing a notch forming means.

FIG. 7 is a perspective view showing an assembled state of a processed log material.

[Explanation of symbols]

1 Holding Means 5 Drilling Means 6 Grooving Means 7 Notch Forming Means 8 Notch Forming Means 14 Intermediate Column 28 Upper Drive Shaft 29 Lower Drive Shaft 30 Upper Groove Cutter 31 Lower Groove Cutter 36 Circular Saw Blade 37 Circular Saw Blade 46 Cylindrical Cutter 47 Cylindrical cutter a Through hole b Fastening bolt c Groove d Notch notch e Notch f Male part

Claims (5)

(57) [Claims] 1. A plurality of undulating intermediate columns (14) for supporting the middle portion of the log material, and a pair of upper and lower parts, between a pair of left and right holding means (1) for horizontally supporting and supporting both ends of the log material. Grooving means (6) for forming a groove (c) for engaging the log materials that are assembled with each other over the entire length, and notch forming means (7) for cutting a triangular shape at the crossing part of the log materials.
And a notch forming means (8) for cutting into a rhombic cross section including a mountain-shaped male part (f) which fits into a triangular notch (e), and the groove forming means (6) and notch forming means (7). The notch forming means (8) is slidably provided in parallel with the longitudinal direction of the log material, and is reciprocally moved in a direction orthogonal to the longitudinal direction of the log material and is vertically adjustable. A unique log-house processing machine for log houses. 2. A perforating means (5) for making a through hole (a) through which a fastening bolt (b) is passed through the log material at right angles to the longitudinal direction of the log material, which is slidable parallel to the longitudinal direction of the log material. 2. The apparatus for processing log material for a log house according to claim 1, wherein the log material is provided on the log material, and is reciprocally movable in a direction orthogonal to the longitudinal direction of the log material and vertically adjustable. 3. The grooving means (6) has a large and small cutter having a trapezoidal shape on the upper drive shaft (28) of the upper and lower drive shafts (28, 29) projecting up and down of the log material. An upper groove cutting cutter (30) continuously provided with a small rear is provided, and large and small cutters having a trapezoidal trapezoidal shape are provided on the lower drive shaft (29) continuously with a small tip and a large rear. ) Are provided, The processing apparatus of the log material for log houses of Claim 1 or 2 characterized by the above-mentioned. 4. The notch forming means (7) has a pair of circular saw blades (36, 37) arranged in a staggered manner with respect to a log material, and both circular saw blades (36, 37) form a mountain shape. The log-machining log processing apparatus according to claim 1 or 2, wherein the log-machining log processing apparatus is inclined. 5. The notch forming means (8) is formed by inserting a pair of cylindrical cutters (46, 47) so as to sandwich both sides of the log material.
3. Log material for a log house according to claim 1 or 2, wherein the log cutters (46, 47) arranged in a shape are provided so as to be swingable in the longitudinal direction of the log material. Processing equipment.