JPH10180714A - Woodworking planer body - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a woodworking planer body for satisfactorily cutting a working surface of a composite material such as an aggregate without impairing effective application and operating efficiency of a cutter. SOLUTION: A working surface 21 exposed with a laminating part of an aggregate 20 is planely cut by rotation of the woodworking planer body 10, and hence overall surface except an adhesive layer 22 having high hardness is flatly cut by a flat blade 15. The layer 22 linearly retained at the working surface can be removed by a sintered diamond blade mounted at a cutting implement 18 substantially in the same radius as that of a cutting edge of the flat blade. Thus, the cutting surface can be entirely worked substantially in a flat shape. Even if a cutout is generated at the flat blade corresponding to the layer, no problem occurs in cutting, but the blade can be used until its original lifetime. The blade can be effectively used, and cost of the blade can be reduced. Since it is not necessary to frequently replace the blade, cutting efficiency is enhanced.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to plane cutting of a surface (hereinafter referred to as a machined surface) on which an adhesive layer of a composite material such as a laminated material formed by bonding a plurality of flat materials with an adhesive is shown. It relates to the woodworking cylinder used.

[0002]

2. Description of the Related Art Glued laminates are formed by laminating a plurality of flat core materials called lamina with an adhesive. As a result, it is increasingly used as a building material. Glued lumber is attracting attention because it has a uniform material strength, and is used not only as a pillar, building material, and beam material for houses, but also as a structural material for large buildings such as gymnasiums, auditoriums, halls, and domes. Are also being used. In the laminated wood, a composite material in which an iron plate, a non-ferrous metal plate, a synthetic resin, or the like is interposed between woods is also used. In order to smoothly cut the processing surface of the laminated wood, a processing machine such as a moulder or an automatic plane machine in which a woodworking plane with a plane blade is set is used.

As an example of a conventional woodworking cylinder for a moulder, as shown in FIGS. 7 and 8, a cylindrical main body 1 having a predetermined length and a through hole 2 for attachment at the center is provided. Between the both ends of the outer peripheral surface of the main body 1, there is a 4 extending parallel to the axial direction.
The book mounting grooves 3 are formed at equal intervals. A flat blade 4 and a backrest 5 are mounted in the mounting groove 3, and the diameter from the center of the main body to the cutting edge of the flat blade 4 is adjusted to be constant. Can be attached to the main body 1. As a mode of attaching the flat blade 4 to the main body 1, a woodworking plane cylinder in which the flat blade and the backrest (fixing member) are automatically set in the mounting groove by using the centrifugal force of the rotation of the main body is also used. Have been.

[0004] In particular, an adhesive used for a laminated material used for a structural material is required to have water resistance and weather resistance, so that an adhesive layer is very hard. For this reason, the flat blade 4 used in the above-mentioned woodworking plane cylinder uses high-speed tool steel or cemented carbide as a blade material, but by cutting a laminated wood having the same configuration, the same portion of the flat blade is cut. As a result, the cutting edge corresponding to the adhesive layer portion is locally worn or spilled by continuous cutting. For this reason, as shown in FIG. 8, a linear projection 9a remains on the exposed surface of the adhesive layer 9 on the processed surface 8a of the laminated wood 8, which may hinder a later process, or a decorative plate may be attached to the processed surface 8a. Even after attaching, there is a problem that the product remains as linear projections on the surface and the commercial value of the laminated wood decreases. On the other hand, the flat blade may be replaced frequently, but the flat blade only wears locally at the portion corresponding to the adhesive layer, and the other portions are normal. Replacement has resulted in a great waste of flat blade material and relatively high flat blade costs. In addition, since it is necessary to frequently replace a complicated flat blade, there is a problem that the work efficiency of the cutting process is reduced. SUMMARY OF THE INVENTION The present invention is directed to solving the above-described problems, and provides a woodworking plane cylinder that can favorably cut the exposed processing surface of an adhesive layer of a composite material such as a glued laminated lumber and does not impair the effective use of a blade and work efficiency. The purpose is to do.

[0005]

Means for Solving the Problems and Effects of the Invention In order to achieve the above object, the constitutional feature of the invention according to the first aspect is characterized in that an outer peripheral surface between both ends of a columnar or cylindrical body is formed on an axial line. A long flat blade is detachably fixed to a plurality of grooves formed in parallel and circumferential direction with a fixing jig with the cutting edge slightly protruding on the outer peripheral surface, and rotation about the axis Thereby, in a woodworking plane cylinder that performs plane cutting of a laminated wood formed by bonding a plurality of flat plate materials with an adhesive, at least two places between a plurality of grooves, on an outer peripheral surface between both ends of the main body, A mounting groove formed parallel to the axis,
A blade having a blade length sufficiently shorter than the flat blade and having a hardness higher than the flat blade and having high wear resistance, at least one blade provided at a predetermined position in the mounting groove portion, and a blade; There is provided a cutting tool fixing member for detachably fixing a radius from the center of the main body to the cutting edge of the blade body with substantially the same radius as the radius of the cutting edge of the flat blade from the center of the main body. The radius from the center of the main body to the cutting edge of the blade of the cutting tool is in a range of +0.1 to -0.06 mm, more preferably ± 0.04 mm, with respect to the radius from the center of the main body to the cutting edge of the flat blade. Range.

According to the first aspect of the present invention, a woodworking plane cylinder is attached to a rotary cutting machine such as a moulder or a planing machine, and an adhesive layer which is a bonded portion of a composite material such as a laminated wood. Is arranged such that the adhesive layer is perpendicular to the blade, and the cutting tool is positioned so as to correspond to the position of the adhesive layer. Thereafter, a plane cutting of a processing surface of a composite material such as a laminated wood is performed by rotation about an axis of the woodworking plane cylinder, and the entire surface is cut by a flat blade. However, the edge of the flat blade where the adhesive layer is cut is locally worn, and the flat blade cannot be completely removed, leaving a hard linear projection on the adhesive layer of the work surface. Since the radius is almost the same as the edge of the blade, only the adhesive layer portion of the composite material is scraped off, or the surrounding area is cut at a very small depth, so the processed surface as a whole is almost flat with no noticeable unevenness It can be processed into a shape. Further, by providing the cutting edge of the cutting tool with a convex arc shape or providing an inclination of about 10 ° at both corners, the dent can be made less noticeable.

[0007] As a result, it is possible to perform flat cutting of a composite material partially including a high-hardness adhesive layer for a long period of time without exchanging blades. In addition, since the flat blade can be used until its original life, the flat blade material can be effectively used, and the relative cost of the flat blade can be reduced. In addition, since it is not necessary to frequently replace a complicated flat blade, the efficiency of the cutting operation can be improved, and the operation cost can be reduced.

A structural feature of the invention according to claim 2 is that, in the woodworking plane cylinder according to claim 1, the mounting position of the cutting tool in the mounting groove can be changed. By configuring the invention according to claim 2 as described above,
In addition to the effects of the first aspect of the present invention, the cutting edge of the blade gradually wears, but by gradually shifting the mounting position of the blade, long-term use becomes possible.

According to a third aspect of the present invention, in the woodworking plane cylinder according to the first or second aspect, the rake angle of the blade of the cutting tool is smaller than the rake angle of the flat blade. I did it. Since the invention according to claim 3 is configured as described above, the cutting tool only needs to scrape off the adhesive layer portion after cutting with a flat blade, or only need to cut the periphery of the adhesive layer with a minute depth. It is not necessary to make the rake angle of the blade provided on the blade tool as large as the rake angle of the flat blade. In addition, the life of the blade body can be extended.

[0010] Further, a structural feature of the invention according to claim 4 is that, in the woodworking plane cylinder according to any one of claims 1 to 3, the blade angle of the blade body provided on the cutting tool is set. That is, the blade angle of the flat blade is made larger. Since the invention according to claim 4 is configured as described above, the cutting tool only needs to scrape off the adhesive layer portion after cutting with a flat blade, or only cut the periphery of the adhesive layer with a minute depth. It is not necessary to make the blade angle of the blade provided on the blade tool as acute as the blade angle of the flat blade. In addition, the life of the blade body can be extended.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. FIGS. 1 and 2 show a woodworking cylinder 10 attached to a moulder according to the embodiment in a side view and FIG. It is shown by a front view. Woodworking plane cylinder 10
Has a substantially cylindrical main body 11 and a mounting hole 12 at an axial center thereof for mounting the main body 11 on a moulder. On the outer peripheral surface of the main body 11, four flat blade mounting grooves 13a to 13d for mounting flat blades extending between both ends in parallel with the axis are provided at equal intervals in the circumferential direction. Between the grooves 13a to 13d, four blade mounting grooves 14a to 14d extending between both ends parallel to the axis are provided at equal intervals in the circumferential direction.

The flat blade mounting grooves 13a (13b to 13d also have the same shape, and only 13a will be described below) have a trapezoidal portion 13a1 formed substantially at right angles to the outer peripheral surface and having a substantially trapezoidal cross section, and a trapezoidal portion. 13a1 and the trapezoidal portion 1 is inclined rearward on the main body rotation side with respect to the outer peripheral surface,
An inclined portion 13a2 having a substantially rectangular cross section which is deeper than 3a1.
It is composed of A well-known flat blade 15 and a back seat 16 are mounted in the flat blade mounting groove 13a. Flat blade 15
Is a long plate having the same length as the flat blade mounting groove 13a, and a blade 15a made of high-speed tool steel is brazed and fixed to the tip. The back seat 16 is a substantially quadrangular prism-shaped bar having the same length as the flat blade mounting groove 13a. Are provided with screw grooves 16c reaching the inclined surface 16a at a plurality of locations. A wide surface 16d perpendicular to the side surface 16b is placed on the bottom 13a3 of the trapezoidal portion 13a1. A screw 17 is screwed into each screw groove 16c.

The flat blade 15 and the back seat 16 inserted into the flat blade mounting groove 13a are formed by the flat blade 15 and the bottom 13a of the trapezoidal portion 13a1.
3 is pressed by the inclined surface 16a of the backing seat 16 placed on the base 3 and is fixed by adjusting the screw 17 in a state of contacting the inclined surface of the inclined portion 13a2. Here, the inclination angle of the inclined portion 13a2 is the rake angle θh of the flat blade 15. Flat blade 1
Adjustment of the amount of protrusion of the body 5 from the outer peripheral surface is performed by loosening the screw 17.

The cutting tool mounting groove 14a (14b to 14d also has the same shape, and only 14a will be described below) has a trapezoidal section 14a1 having a substantially trapezoidal cross section inclined slightly toward the rear side of the main body rotation with respect to the outer peripheral surface. And the trapezoid 14a1
The bottom 14a2 is provided with a projection 14a3 slightly above the main body rotation front side, slightly inclined from the main body rotation front side. As shown in FIG. 2, a plurality of blades 18 and a backrest 19 are mounted in the blade mounting groove 14 a in accordance with the position of the adhesive layer 22 of the laminated wood 20. As shown in FIG. 3, the cutting tool 18 has a vertical portion 18a having a length of 10 to 20 mm and a horizontal portion 1a.
8b and the vertical portion 18a
A blade 18c of high hardness and excellent wear resistance made of ceramic or sintered diamond or the like is fixed to the front rotation side surface of the tip by brazing, and a circular recess 18b1 is formed on the surface side of the horizontal portion 18b. I have. The cutting tool 18 is mounted on the rotation rear side of the bottom 14a2 of the cutting tool mounting groove 14a.
The blade angle of the blade 18 is larger than the blade 15a of the flat blade 15.

The backing seat 19 has a substantially cubic shape having the same length as the cutting tool 18, and one side surface is protruded from the bottom surface 19a.
3 and the inclined surface 19b.
Is perpendicular to the bottom surface 19a. A screw hole 19e that penetrates to the bottom surface 19a is formed in the upper surface 19d, and the screw hole 19e is formed in the screw hole 19e.
A is screwed. The backing 19 is the vertical part 1 of the cutting tool 18.
The blade 18 is fixed to the blade mounting groove 14 by pressing a screw 19A, which is disposed between the side 8a and the protruding portion 14a3 of the blade mounting groove 14a. Here, the rake angle θt, which is the inclination angle of the blade body 18 c of the blade 18, is smaller than the rake angle θh of the flat blade 15. The radius rt from the center of the main body 11 to the tip of the blade body 18c is +0.1 to -0.0 with respect to the radius rh from the tip of the flat blade 15 to rh.
It is in the range of 06 mm, preferably in the range of ± 0.04 mm. As shown in FIG. 2, the blade 18 and the backing 19 are
It is arranged in accordance with the position of the adhesive layer 22, which is a bonded portion exposed on the processing surface 21 of the laminated wood 20.

Next, the operation of the embodiment configured as described above will be described. By attaching the woodworking plane cylinder 10 to a rotary cutting machine (not shown) such as a molder or a plane machine, and performing plane cutting of the processing surface 21 on which the adhesive layer 22 of the glued laminate 20 is exposed by rotation about an axis, The entire processing surface is cut flat by the flat blade 15. And
Even if partial wear or the like occurs on the blade body 15a of the flat blade 15 corresponding to the adhesive layer 22, this part is to be removed by a sintered diamond blade body 18c brazed and fixed to the blade tool 18. Thus, the cut surface as a whole can be processed into a substantially flat shape. Further, since the cutting edge of the cutting tool 18 has substantially the same radius as the cutting edge of the flat blade 15, the protruding portion of the adhesive layer 22 of the glued laminated lumber 20 is removed while leaving it slightly inconspicuous, or the periphery thereof is minute. Since the cutting is performed at the depth, the processing surface can be processed into a substantially flat shape as a whole. Therefore, the flat blade 15 can be used up to the original life, the flat blade 15 can be used effectively, and the cost of the flat blade 15 can be reduced. In addition, since it is not necessary to frequently replace the flat blade 15, the work efficiency of the plane cutting can be increased, and the work cost can be reduced.

In the above cutting, the blade 1 of the cutting tool 18 is cut.
8c also gradually wears in a partial area (only the adhesive layer portion), but by slightly shifting the mounting position of the cutting tool 18, long-term use becomes possible. The blade 18 is a flat blade 15
It is only necessary to scrape off the adhesive layer 22 after cutting, or only to cut the surrounding area with a minute depth.
The rake angle of the blade body 18c does not need to be as large as the rake angle of the flat blade 15. In addition, the life of the blade body 18c of the blade tool 18 can be extended.

Next, a modification of the above embodiment will be described. In the modified example, as shown in FIGS. 4 and 5, three cutting tool mounting grooves 31 a (31 b to 31 b) of the woodworking cylinder 30.
The same applies to 31d).
a is a replacement blade. That is, as shown in FIG. 6, the concave portion 32b is formed at the upper end on the rotation rear side of the L-shaped blade 32.
And a linear engaging projection 32 on the vertical surface of the recess 32b.
b1 is provided, and an engaging recess 32a1 is provided at a position corresponding to the engaging portion 32b1 of the blade body 32a. Then, the engaging recess 32a1 of the blade 32a is engaged with the engaging portion 32b1, so that the recess 3
2b. Then, the blade 32 is fixed to the blade mounting groove 31a by tightening the screw 33a of the back seat 33. The back seat 33 and the blade attachment groove 31a are the same as in the above embodiment. With the woodworking cylinder 30 having the above-described configuration, the same effects as those of the above embodiment can be obtained.

The mounting of the flat blade 15 is not limited to the mounting with the screw shown in the above-mentioned embodiment, and as shown in FIG. May fix the flat blade (replacement blade). That is, the flat blade mounting groove 41
Is composed of a rectangular portion 41a having a substantially rectangular cross section formed at a substantially right angle to the outer peripheral surface, and a bottom portion 41b formed at the bottom of the rectangular portion 41a so as to be shifted to the rear side of the main body rotation. In the flat blade mounting groove 41, a spare blade 42, a back seat 43, and a centrifugal fixing plate 44 are mounted.

The replacement blade 42 has a concave groove 42a formed in the center of the blade body, and the back seat 43 has a curved portion at the lower end side for engaging with the bottom portion 41b, and is inclined toward the tip to be wider. Has become. The back seat 43 is provided with a convex portion 43a on the rotation rear side of the front end, and the concave groove 42a of the spare blade 42 is engaged with the convex portion 43a. The centrifugal fixing plate 44 is a rod having a substantially quadrangular prism shape.
4a. Then, the backrest 43 is inserted into the flat blade mounting groove 41.
And the centrifugal fixing plate 44 are attached, the spare blade 42 is inserted from the side, the concave groove 42a is engaged with the convex portion 43a of the back seat 43, and the woodworking cylinder 30 is rotated. As is well known, the centrifugal fixing plate 44 pops out due to centrifugal force,
The spare blade 42 is pressed against the rotating rear side wall of the flat blade mounting groove 41 via the back seat 43 and is fixed by a wedge action.

In the above-described embodiment and modified examples, the flat blade mounting groove and the blade tool mounting groove are provided at equal intervals, but need not always be at equal intervals. In addition, the four blade mounting grooves 14a to 14d are provided between the four flat blade mounting grooves 13a to 13d. However, the present invention is not limited to this, and two blade mounting grooves are formed at symmetrical positions. May be attached. That is, between the even number of flat blade mounting grooves,
You may make it provide the tool mounting groove of a number smaller than the number of flat blade mounting grooves in a symmetric position. However, when the number of the flat blade mounting grooves is odd, it is preferable that the number of the blade mounting grooves is equal to the number of the flat blade mounting grooves.

In the above embodiment, a woodworking cylinder having a mounting hole for use by being attached to a moulder has been described. The present invention can be similarly applied to a plane cylinder.

[Brief description of the drawings]

FIG. 1 is a partially broken side view showing a woodworking cylinder according to an embodiment of the present invention.

FIG. 2 is a front view showing the woodworking cylinder and the glulam.

FIG. 3 is a perspective view showing a blade and a backrest of the woodworking cylinder.

FIG. 4 is a partially cutaway side view showing a woodworking cylinder as a modification.

FIG. 5 is a front view showing the woodworking planner and the glulam.

FIG. 6 is a perspective view showing a blade and a backrest of the woodworking cylinder.

FIG. 7 is a partially broken side view showing a conventional woodworking cylinder.

FIG. 8 is a front view showing the woodworking planner and the laminated wood.

[Explanation of symbols]

10 woodworking cylinder, 11 body, 12 mounting holes, 13a-
13d: flat blade mounting groove, 14a to 14d: blade tool mounting groove, 1
5: Flat blade, 15a: Blade body, 16: Back seat, 16a: Inclined surface, 17: Screw, 18: Blade tool, 18a: Vertical part, 18b
... horizontal part, 18c ... blade body, 19 ... backing, 19A ... screw,
20: laminated wood, 21: processed surface, 22: adhesive layer.

Claims (4)

[Claims] 1. A long flat blade is slightly inserted into an outer peripheral surface between both ends of a substantially cylindrical or cylindrical main body in a plurality of grooves formed in a circumferential direction in parallel with an axis. A woodwork plane that is detachably fixed with a flat blade fixing member while protruding from the surface, and performs plane cutting of a composite material formed by laminating multiple flat plate materials with adhesive by rotation about the axis In the body, at least two places between the plurality of grooves, on the outer peripheral surface between both ends of the main body, a mounting groove formed parallel to an axis, and a blade length shorter than the flat blade and sufficiently shorter than the flat blade. It has a blade body made of a material with higher hardness and higher wear resistance than the blade,
At least one cutting tool disposed at a predetermined position of the mounting groove, and a radius of the cutting tool from the center of the main body to the cutting edge of the blade body is substantially the same as the radius of the cutting edge of the flat blade from the center of the main body. A woodworking cylinder characterized by comprising a cutting tool fixing member for detachably fixing in a state of (1). 2. The woodworking plane cylinder according to claim 1, wherein a mounting position of the cutting tool in the mounting groove can be changed. 3. The woodworking plane cylinder according to claim 1, wherein the rake angle of the blade body of the cutting tool is smaller than the rake angle of the flat blade. 4. The method according to claim 1, wherein
3. The woodworking plane cylinder according to claim 1, wherein the blade angle of the blade body of the cutting tool is larger than the blade angle of the flat blade.