JPH0215602Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) This invention relates to a jig used when cutting wood with a saw, and more specifically, it is used to cut wood diagonally with respect to the longitudinal direction with a hand saw. Regarding jigs.

(Prior Art) For example, as a method for joining the corners of various wooden frame structures such as picture frames, clasp welding is often used, in which the cut surfaces of diagonally cut rod-shaped wood are butted and joined. To do this, it is necessary to cut the wood diagonally, but conventionally, each piece of wood is marked with a score line and cut one by one using a saw.

(Problem that the invention aims to solve) However, in the above conventional cutting method, unless the widths of the pieces of wood to be joined are the same, the cutting line will be at an irregular angle other than 45 degrees with respect to the longitudinal direction. On the other hand, it is difficult to mark accurate cutting lines, especially for amateurs, and it is also difficult to saw the wood accurately diagonally to the longitudinal direction without a guide. It was not easy to create a tight fitting right-angled weld.

This invention solves the above-mentioned conventional problems, and aims to provide a sawing jig that can easily cut wood at a precise angle of inclination for combinations of wood of arbitrary widths. It is.

(Means for solving the problem) However, the sawing jig of this invention is a wood guide made by fixing two guide plates upright to a base plate with the inner surfaces of the two guide plates perpendicular to each other. A guide plate is erected and fixed to the end of the presser plate with the side surface of the guide plate perpendicular to the lower surface of the presser plate, and the edge is flush with the side surface of the guide plate at one end of the guide plate. This sawing jig consists of a saw guide having a downwardly protruding blade, and a fastener that presses the holding plate against the substrate.

(Function) In the sawing jig of this invention, two guide plates hold two pieces of wood at right angles. The cutting edge of the saw guide is inserted into the corner formed by the crossed timber sides to position one end of the sawing guide. Further, the saw guide is fastened onto the overlapping pieces of wood by a fastener, and the side surface of the guide plate guides the side surface of the saw.

(Example) An example of this invention will be described below with reference to the drawings. In the figure, reference numeral 1 denotes a wood guide, and guide plates 3 and 4 made of steel plates are erected and fixed to two sides of a substrate 2 made of steel plates. The inner surfaces 3a and 4a of both guide plates are perpendicular to each other, and a gap 1a is provided between the two guide plates into which a saw enters during cutting.
Reference numeral 5 denotes a saw guide made of angle iron-like steel, with a guide plate 7 erected and fixed to the end of a presser plate 6, and the lower surface of the presser plate 6 and the side surface 8 of the guide plate 7 are perpendicular to each other. Reference numeral 9 denotes a blade attached to one end of the guide plate 7 through a dovetail groove-shaped guide portion 10 so as to be freely raised and lowered, and its edge 9a is flush with the side surface 8 of the guide plate 7. 11 is information board 7
A saw blade guide made of spring steel plate fixed to the guide plate 7.
A saw insertion space 12 is formed between the side surface 8 and the side surface 8 of the saw. Further, reference numeral 13 denotes a positioning member fixed to the lower surface of the holding plate 6, and its inner surface 13a is the side surface 8 of the guide plate 7.
is orthogonal to Reference numeral 14 denotes a fastener for fixing the saw guide 5. An arm 16 is rotatably attached to a rod 15 fixed to the guide plate 4, and a threaded rod 18 is screwed into a nut 17 fixed to the tip of the arm 16. A knob 19 for rotational operation is fixed to the upper end of the threaded rod, and a presser foot 20 is rotatably attached to the lower end of the threaded rod 18. On the other hand, 21 is a fastener for tightening wood, and has the same structure as the fastener 14 described above.

A rod-shaped piece of wood 2 is cut by the sawing jig 22 having the above configuration.
In order to cut diagonally at the abutting portions 3 and 24, as shown in FIG. Place the wood 23 on the inner side 3a of the guide plate 3.
Place it against the wall and tighten and fix it with the fastener 21.
Also, on the guide plate 4 side, a piece of wood 26 of the same thickness as the wood 23 is placed on the seat plate 25, and a piece of wood 26 of the same thickness as the wood 23 is placed on the seat plate 25.
4 is placed with its side surface against the inner surface 4a of the guide plate 4, and the tip of this piece of wood 24 is placed on top of the piece of wood 23. Note that the tip surface 23a of the wood 23 is brought into contact with the inner surface 4a of the guide plate 4, and the tip surface 24a of the wood 24 is brought into contact with the inner surface 3a of the guide plate 3, respectively. Next, the saw guide 5 is placed on the wood 24, and the blade 9 is lowered by its own weight, so that the edge 9a of the saw guide 5 is brought into contact with the corner 27 formed by the sides of the wood 23 and 24, as shown in FIG. position. To do this, by manually pulling the saw guide 5 in the diagonal direction of the intersection of the timbers as shown by arrow X in FIG. It is located at 27. Next, the lower edge 8 of the side surface 8 of the guide plate 7
Visually align a with the outer tip corner of the wood 24,
If a scribing line is drawn on the wood 24 along this lower edge 8a, this becomes the desired cutting line. Then, move the saw guide 5 parallel to the scribe line in the direction of arrow Y by about 1/2 of the width of the saw groove, and tighten and fix the saw guide 5 together with the wood 24 using the fastener 14. . Since the setting is completed in this state, a saw (not shown) can be inserted into the saw insertion space 12 of the saw blade guide 11 and the sawing operation can be performed. wood 2
3 and 24 are overlapped at right angles and cut diagonally, making it possible to obtain accurate cut surfaces that fit perfectly.

Note that the saw guide 5 can also be used alone when cutting wood at right angles. At this time, if the positioning member 13 is brought into contact with the side surface of the wood, the side surface 8 of the guide plate 7 will be positioned perpendicularly to the side surface of the wood, so you can hold the saw guide 5 by hand or use a woodworking tool. It is sufficient to fix it to the wood by tightening it with force and perform sawing using the saw blade guide tool 11.

This invention is not limited to the above-mentioned embodiment. For example, in the above-mentioned embodiment, the cutting blade 9 is attached to the guide plate 7 so as to be able to move up and down. However, if the thickness of the wood is approximately constant, the blade 9 may be fixed to the guide plate 7. In addition, in the above embodiment, the saw guide 5 is provided with the saw blade guide 11 for inserting the saw, so that the lateral shift of the saw during sawing is suppressed and more accurate and easier cutting can be performed. The saw may be cut along the side surface 8 of the guide plate 7 without providing the tool 11. Further, since the lower wood 23 is tightened by the fastener 14 via the upper wood 24, the fastener 14
1 can also be omitted. Further, as the tightening tool 14, a woodworking vise or the like which is separate from the wood guide 1 may be used. Furthermore, when the saw guide 5 is not used for right-angle cutting, the positioning member 13 may be omitted.

(Effects of the invention) As explained above, according to this invention, it is possible to easily saw the timbers at an accurate inclination angle for a combination of timbers of any width.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of a sawing jig showing an embodiment of this invention in use, FIG. 2 is a partially cutaway plan view, and FIG. 3 is a perspective view of a saw guide. 1... Wood guide, 2... Board, 3, 4... Guide plate, 3a, 4a... Inner surface, 5... Saw guide, 6... Holding plate, 7... Guide plate, 8... Side surface,
9...Blade, 9a...Edge, 11...Saw blade guide, 13...Positioning member, 14...Tightening tool, 2
2...Sawing jig.

Claims (1)

[Scope of Claim for Utility Model Registration] 1. A wood guide consisting of two guide plates fixed to a substrate with their inner surfaces perpendicular to each other, a guide plate at the end of the holding plate, A saw in which the side surface of the guide plate is erected and fixed in a state perpendicular to the lower surface of the presser plate, and a blade whose edge is flush with the side surface is protruded downward from one end of the guide plate. A sawing jig comprising a combination of a guide and a fastener that presses the holding plate against the substrate. 2. The sawing jig according to claim 1 of the utility model registration claim, in which the blade is guided by a guide plate so as to be able to move up and down. 3. The sawing jig according to claim 1 or 2 of the utility model registration claim, in which a guide plate is provided with a saw blade guide for guiding the saw blade. 4 On the bottom surface of the end of the holding plate opposite to the part where the blade is installed,
The sawing jig according to claim 1, 2, or 3, wherein a positioning member that is orthogonal to the side surface of the guide plate is protruded and fixed.