JP3564567B2 - Manufacturing method of frame building materials - Google Patents

Description

[0001]
[Industrial applications]
The present invention relates to a method for manufacturing a framed building material having a framed shape used for furniture doors and the like.
[0002]
[Prior art]
Conventionally, a frame set such as a door for furniture is formed by combining a plurality of members mainly composed of a vertical frame and a horizontal frame, or by pressing a single flat plate to give the flat plate an uneven shape. Then, a frame structure was formed.
[0003]
[Problems to be solved by the invention]
The former has a problem that a gap, a gap, or peeling may occur at the abutting portion between the vertical and horizontal frames, and that it takes time to form the frame assembly.
[0004]
The latter requires a press die and a press machine, and requires the installation of a different type of machine from a normal cutting machine for processing wood, resulting in a problem that the frame is costly.
[0005]
The present invention has been made in view of the above, and an object of the present invention is to provide a method for manufacturing a framed building material that can easily form a framed frame having an excellent appearance. .
[0006]
[Means for Solving the Problems]
The present invention has been made to achieve the above object,
The method for manufacturing a frame-structured building material according to the first invention is a method for manufacturing a frame-structured building material in which a decorative groove having a polygonal outer periphery is formed in a plate material to form a frame structure.
A plurality of side forming steps of engraving a side of the decorative groove by moving a groove cutting tool having a conical cutting edge in a longitudinal direction of one side of the decorative groove, and cutting the groove at a corner of the decorative groove; The tip of the cutting edge of the tool is raised along the outer wall surface of the engraved side, and is moved outward on an extension line of a bisector of an angle between the side and an adjacent side adjacent to the side. A plurality of abutting line forming steps of forming a valley-shaped abutting line in the portion, the steps are combined in accordance with the number of polygonal sides and the number of corners, the abutting line to the plate material A method of manufacturing a frame-structured building material, comprising forming a frame-structure having:
[0007]
The method for manufacturing a framed building material of the second invention is characterized in that, after the plurality of side forming steps and the plurality of butting line forming steps, a stepped conical shape having an arbitrary stepped shape on the inner wall surface of the decorative groove. A step pattern forming step of cutting a step pattern on the inner wall surface by bringing a step pattern cutting tool having a cutting edge into contact with the tool and moving the cutting tool in a direction in which the decorative groove extends. It is a manufacturing method of building materials.
[0008]
[Action]
According to the present invention, in the side forming step, the groove cutting tool cuts a side of the decorative groove having the V-shaped cross section.
[0009]
In the butting line forming step, the cutting edge of the groove cutting tool forms a butting line at the corner between the above-mentioned side and an adjacent side adjacent thereto, thereby revealing the shape of the butting portion of the frame assembly.
[0010]
In the subsequent side forming step, the side adjacent to the decorative groove is carved, and a corner formed by the side and the adjacent side is formed.
[0011]
The step pattern forming step forms a step pattern on the inner wall surface of the decorative groove.
[0012]
【Example】
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0013]
The method for manufacturing a framed building material according to the present embodiment is a woodworking method in which a groove cutting tool 1 (hereinafter abbreviated as a tool 1) having a conical cutting edge 2 shown in FIG. It is constituted by the following steps of giving a frame structure to the board 10 made of a thick wooden board using a milling machine. In the following, a case where the outer peripheral shape of the decorative groove 11 that appears in the frame structure is a square will be described as an example.
[0014]
The manufacturing process of this frame-structured building material includes four side forming steps, four butting line forming steps, and one step pattern forming step corresponding to the four sides and four corners of the square. It is composed in the order of. That is,
1. First side forming step (a)
2. First butting line forming step (b)
3. Second side forming step (c)
4. Second butting line forming step (d)
5. Third side forming step (e)
6. Third butting line forming step (f)
7. Fourth side forming step (g)
8. Fourth butting line forming step (h)
9. Step pattern forming step (i)
First, the first side forming step (a), the example, as shown in FIG. 2, the upper surface of the plate material 10, the tool 1 rotating in a cutting start point C ₀ abuts the first swash increase start point C _Then , the first side 11a of the square decorative groove 11 is engraved with a predetermined width. At this time, the first side 11a is engraved in a V-shape by the cone-shaped cutting edge 2, and the movement trajectory of the tip 3 appears as a straight valley line 12, and the outside of the valley line 12 (see FIGS. 2 and 3). An outer wall surface 13 is formed on the right side) and an inner wall surface 15 is formed on the inner side.
[0015]
In the first butting line forming step (b), the tip 3 of the tool 1, the first swash increase start point C ₁ as the starting point, along with the increase in Sowase outside wall surface 13 of the first side 11a, a positive Extension line D _{1 of the} bisector of the angle between the first side 11a of the quadrangle and the adjacent side adjacent thereto, that is, the second side 11b (a line inclined to the right by 45 ° with respect to the valley line 12 in FIG. 4) The top 3 is moved outward, and finally the tip 3 is moved upward away from the upper surface of the plate 10 (see FIGS. 4 and 5).
[0016]
Thus, the trajectory of the tip 3 of the tool 1, as well as continuous to the valley line 12 is formed as a trough-like abutting line 17a which is bent at an oblique rising start point C ₁ to the 45 ° right, and becomes gradually shallower . Then, an outer angle line 18 extending in the vertical direction in FIG. 4 and continuing to the groove shoulder 14 forming the outline of the outer wall surface 13 and an outer angle line 19 extending horizontally to the left are formed with the butting line 17a interposed therebetween. You.
[0017]
In the second side forming step (c), the tip 3 of the tool 1, along with lowering the swash increase start point C _1, as shown in FIG. 6, to move toward the second to the oblique rising start point C ₂ In the meantime, the second side 11b of the decorative groove 11 which is orthogonal to and adjacent to the first side 11a formed in the step (a) is engraved. This step (c) is the same as the first side forming step (a) except for the X and Y axis movement directions of the tool 1, and extends horizontally from the upper end of the first side 11a to the left in FIG. The two sides 11b are formed to have the same valley lines 12, outer wall surfaces 13, and inner wall surfaces 15 as the first side 11a.
[0018]
Also, inside the oblique rising start point _{C 1,} the vertical edge line 20a of the mountain to the refractive continuous portions of the inner wall surface 15, 15 in the horizontal direction is formed, the ridge 20a is a view with respect to the butting line 17a 6 One corner 21a of the decorative groove 11 is formed so as to extend linearly upward, together with the above-described outer corner lines 18 and 19. Note that the butting line 17a forms a butting portion in a frame assembly shape between the outer wall surface 13 of the first side 11a and the outer wall surface 13 of the second side 11b. Further, the groove shoulder line 14 of the second side 11b is formed continuously with the outer angle line 19.
[0019]
In the second butting line forming step (d), the tip 3 of the tool 1, starting at an oblique increase start point C _2, together with the increase in Sowase outside wall surface 13 of the second side 11b, a second side 11b moving the third side 11c and the angle of the extension line D ₂ on the bisector of the adjacent thereto outward (see FIG. 7).
[0020]
Thus, the left end portion of the second side 11b, together with the continuous to the valley line 12, bent at an oblique increase start point C ₂ to 45 ° upwards, and the butting line 17b is gradually made shallow, as the locus of the tip 3 It is formed. This step (d) is the same as the first butting line forming step (b) except for the X and Y-axis movement directions of the tool 1, and the outer angle lines in both the vertical and horizontal directions across the butting line 17 b (see FIG. (Omitted) is similarly formed.
[0021]
In a third side forming step (e), as shown in FIG. 7, between the oblique rising start point C ₂ and the swash increase start point C _3, it is engraved third side 11c of the decoration groove 11. This step (e) is the same as the first side forming step (a) except for the X- and Y-axis movement directions of the tool 1, and similarly to the step (c), at the movement start point of the tool 1 in some oblique increase start point _{C 2} inside, together form a ridge line 20b, to form a corner portion 21a similar to corner 21b.
[0022]
Continued In the third butting line forming step (f), the tip 3 of the tool 1, starting at an oblique increase start point C _3, together with the increase in Sowase outside wall surface 13 of the third side 11c, the third side 11c it is moved outward on extension lines D ₃ bisector of the angle formed between the fourth side 11d which is adjacent (see FIG. 7). Thereby, a butting line 17c similar to the butting lines 17a and 17b is formed at the lower end of the third side 11c. This step (f) is the same as the first butting line forming step (b) except for the X and Y axis movement directions of the tool 1.
[0023]
In a fourth side forming step (g), it is engraved fourth side 11d of the decorative groove 11 between the swash increase start point C ₃ and the cutting starting point C _0. The step (g) is, X of the tool 1, except the Y-axis moving direction is the same as the first side forming step (a), the addition, in the same manner as in the step (c), the oblique increase start point C ₃ inside A ridge line 20c is formed at the same time, and a corner 21c similar to the corner 21a is formed. . Then, to form a ridge line 20d to start point _{C 0} inner cutting.
[0024]
In the fourth butting line forming step (h), the leading end 3 of the tool 1, as the starting point of the cutting start point C _0, along with increases in Sowase outside wall surface 13 of the fourth side 11d, and a fourth side 11d first moving the angle of the upper extension D ₄ bisector of one side 11a outwardly. (See FIG. 7). This step (h) is the same as the first butting line forming step (b) except for the X and Y axis movement directions of the tool 1.
[0025]
Thus, at the intersection of the fourth side 11d and the first side 11a, a butting line 17d similar to the butting lines 17a, 17b, and 17c is formed, and at the same time, a corner 21d similar to the corner 21a is formed. Each of the sides 11a to 11d is engraved as a regular square decorative groove 11. That is, the decorative groove 11 has a valley line 12 at the bottom of the groove, and at each corner 21a, 21b, 21c, 21d, a valley-shaped butting line 17a, 17b, 17c, 17d corresponding to a butt portion of a frame assembly. To form a frame assembly 23 outside the decorative groove 11.
[0026]
In the step pattern forming step (i), for example, as shown in FIG. 8, a cutting edge 6 having a spherical tip and stepped portions 7 and 8 having an arbitrary stepped shape and formed in a stepped cone shape is used. The provided step pattern cutting tool 5 (hereinafter abbreviated as tool 5) is mounted on a woodworking milling machine to cut and form the step pattern.
[0027]
In this step (i), the center line E of the tool 5 is set closer to the inner wall surface 15 than the valley line 12 of the decorative groove 11 formed in steps (a) to (h), as shown in FIG. The inner wall surface 15 of each side 11a to 11d is cut and moved. Thus, a stepped pattern 25 is formed on each inner wall surface 15 side, and a square decorative plate portion 27 surrounded by the decorative groove 11 with the stepped pattern 25 is formed.
[0028]
Thus, as shown in FIGS. 10 and 11, the frame assembly 23 having the butting lines 17a, 17b, 17c and 17d at the corners 21a, 21b, 21c and 21d, respectively, and the step pattern 25 inside the frame assembly 23. The frame assembly material 30 having the decorative plate portion 27 formed through the decorative groove 11 having the following is obtained.
[0029]
In addition, as for the combination of the above-described steps, substantially the same operation and effect can be obtained, for example, by setting each side forming step continuously and then setting each butting line forming step.
[0030]
【The invention's effect】
As described above, according to the method for manufacturing a frame-structured building material of the present invention, a frame structure having a valley-shaped abutting line at the abutting portion of a vertical frame and a horizontal frame, which characterizes the frame structure, is obtained by cutting a plate material. Can be formed. Therefore, it is possible to avoid the occurrence of a gap or peeling at the abutting portion, as in the case of the conventional frame assembly composed of a plurality of members, and to efficiently manufacture the frame assembly material.
[0031]
In addition, since cutting can be performed with a normal woodworking machine, no additional equipment is required for manufacturing the framed building material, and the framed building material can be manufactured at low cost.
[0032]
Furthermore, since the shape of the cutting edge of the step pattern cutting tool can be easily changed, an effect is provided that can easily cope with diversification of the design of the step pattern.
[Brief description of the drawings]
FIG. 1 is a front view showing an example of a groove cutting tool used in a method for manufacturing a framed building material according to an embodiment of the present invention.
FIG. 2 is a plan view showing a first side forming step of the manufacturing method of the present invention.
FIG. 3 is a sectional view taken along the line AA of FIG. 2;
FIG. 4 is a plan view showing a first butting line forming step of the manufacturing method.
FIG. 5 is a sectional view taken along line BB of FIG. 4;
FIG. 6 is a plan view showing a second side forming step of the present manufacturing method.
FIG. 7 is a plan view showing a second butting line forming step, a third side forming step, a third butting line forming step, a fourth side forming step, and a fourth butting line forming step.
FIG. 8 is a front view showing an example of a step pattern cutting tool used in a step pattern forming step.
FIG. 9 is a sectional view showing a step pattern forming step of the present invention.
FIG. 10 is a front view of a framed building material obtained by the method for manufacturing a framed building material of the present invention.
11 is an enlarged perspective view of a portion F in FIG. 10;
[Explanation of symbols]
1 Groove cutting tool 5 Step pattern cutting tool 11 Decorative groove 11a First side 11b Second side 11c Third side 11d Fourth side 17a, 17b, 17c, 17d Butt lines 21a, 21b, 21c, 21d Corner 23 Frame assembly 25 Step pattern 27 Decorative plate 30 Frame construction material

Claims (2)

A method for manufacturing a frame-structured building material in which a decorative groove having a polygonal outer periphery is engraved on a plate material to form a frame structure,
A plurality of side forming steps of engraving a side of the decorative groove by moving a groove cutting tool having a conical cutting edge in a longitudinal direction of one side of the polygonal decorative groove,
At the corners of the decorative groove, the tip of the cutting edge of the groove cutting tool is raised along the outer wall surface of the engraved side and an extension of a bisector of an angle formed between the side and an adjacent side adjacent thereto A plurality of butting line forming steps of forming a valley-shaped butting line at the corner by moving outward on a line,
Of each process,
Combining the respective steps in accordance with the number of sides and the number of corners of the polygonal shape to form a frame having a butting line on the plate material,
A method for manufacturing a framed building material, comprising: It is a manufacturing method of the framed building material of Claim 1, Comprising:
After the plurality of side forming steps, and the plurality of butting line forming steps,
A stepped pattern cutting tool having a stepped conical cutting edge having an arbitrary stepped shape is brought into contact with the inner wall surface of the decorative groove, and is moved in a direction in which the decorative groove extends, so that a step pattern is formed on the inner wall surface. A step pattern forming step of cutting and forming
A method of manufacturing a framed building material, comprising:

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