JP2003001583A - Grooving appliance - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a grooving appliance by which slots for assemblies on a partition board with which insides, such as lunch box, are divided crosswise is easily cut out from board material such as foaming material and a thick board. SOLUTION: A cutter part 1 is formed by attaching two sheets of vertical cutter 3, 4, which is formed forward and backward phase difference of p1 with edge points 3c, 4c made into the same height, and is formed right and left interval of p2, on a cutter holder 2. The cutter part is height adjustably attached on a cutter part supporting body 14 of a frame 10, and processing material w is loaded to the sending direction in piles on a slider 20 which has a clearance groove to the cutter part 1, and a slot w1 of p1=s=t is cut off by sending the slider 20 and the processing material w in the direction of an arrow.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for cutting a groove from a plate-shaped foam material or cardboard to an intermediate portion in its width direction. Conventionally, as a partition plate inside a lunch box, a candy box, or the like, a combination of strip-shaped foam materials and plate materials made of cardboard in a cross shape is often used.
As shown in FIG. 2, the grooves a1 and b1 up to the middle portion in the width direction are cut at intermediate positions in the longitudinal direction of the two plate materials a and b, and the two plate materials a and b are cut using the grooves a1 and b1. It is combined into a cross.

[0002]

2. Description of the Related Art Conventionally, in order to form the above-mentioned groove from a plate material, it is general that a large number of materials are piled up thickly and cut by a circular saw to make the groove at once, and this method is efficient. It is convenient for mass production, but it is not suitable for a small-scale contractor or a contractor handling a large number of products in small quantities due to the large size of the device, and a large amount of dust is generated. This dust is annoying to workers and food handlers, and its disposal is also difficult.

[0003]

DISCLOSURE OF THE INVENTION The present invention facilitates a grooved plate having a groove of a desired size from a plate-shaped processed material without using large-scale equipment or power and without generating dust. It is an object to obtain a small and simple device that can be manufactured.

[0004]

Means for solving the problems are as described in each claim, and the grooving device according to claim 1 is
Two thin plate-shaped vertical cutters for cutting both sides of the groove to the work material, attached to the cutter holder in parallel with the blades inclined and the cutting edges at the same height, and one for cutting the bottom of the groove The horizontal cutter is attached to the cutter holder behind the cutting edge of the vertical cutter to form the cutter part, and the frame is provided with the cutter part support with the cutter part attached and the slider guide parallel to the cutter part, and the workpiece is placed. It is characterized in that the slider is provided with an escape groove straddling the cutter portion, and the slider is movably installed on the slider guide. According to this means, the groove is cut off only by placing the processed material on the slider and passing it through the cutter portion.

A groove cutting device according to a second aspect of the present invention is the groove cutting device according to the first aspect, wherein the two vertical cutters are attached to a cutter holder by shifting the attachment positions back and forth.
According to this means, the two vertical cutters do not cut into one processed material at the same time, so the lateral pressure acting on the vertical cutter from each processed material is the pressure generated when one vertical cutter is pushed in. Remarkably less than when pushing in a sheet and less cutting resistance.

The groove cutting device of claim 3 is the same as that of claim 1 or 2.
In the above, the cutter holder is attached to the frame so that its height can be adjusted. According to this means
You can easily prepare for work depending on the height of the processed material.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a main part of a groove cutting device of the present invention, and 1 is a cutter part. As the cutter part 1,
A blade of a cutter knife, which is commonly used as a cutting knife, is obliquely attached to the plate-shaped cutter holder 2 as vertical cutters 3 and 4 with the blade portions 3a and 4a facing upward.
The horizontal cutter 5 is attached to the rear part. The vertical cutters 3 and 4 have the same length and are provided with several grooves for folding at the same position. The vertical cutters 3 and 4 have holes 3b and 4b at their rear ends, and the slopes 2a and 2b provided on the cutter holder 2 Placed in the hole 3
Screwed to the cutter holder 2 with screws passing through b and 4b,
The horizontal cutter 5 is inserted into the vertical groove 2c and screwed to the cutter holder 2 with a screw passing through the hole 5a.

The cutter holder 2 is provided with a plurality of screw holes for screwing the holes 3b and 4b. When the vertical cutters 3 and 4 cannot be cut, the tip side is bent to change the mounting position and a new blade portion is provided. Are ready to use.
It should be noted that the left side in FIG. 1 is the front part and the right side is the rear part, and the front-rear relationship in other figures will be described accordingly.

The vertical cutters 3 and 4 are attached with a gap p1 in the front and back such that the operating positions of the blades with respect to the workpiece w are different between the left and right.
4b have the same height. Vertical cutters 3, 4
Is equal to the width of the slope 2a, and the interval p2
Is equal to the width s and the plate thickness t of the groove w1 provided in the processed material w. The horizontal cutter 5 has a blade portion 5b facing forward, and the length of the blade is substantially equal to the interval p2. Below the blade portion 5b of the horizontal cutter 5, there is formed a slope 2d that facilitates the chips cut by the blade portion 5b to fall downward.

On the back surface (left side surface) of the cutter holder 2, the cutter portion support 1 fixed to a frame 10 (not shown).
4 are arranged, two elongated holes 6, 6 are formed in the lower portion of the cutter holder 2 for adjusting the vertical position, and tightening screws 7, 7 are provided in the cutter portion support 14 through the elongated holes 6, 6. It is screwed into the screw hole, and the position of the cutter unit 1 is fixed when the tightening screws 7, 7 are tightened, and the upper and lower positions can be adjusted by loosening it. In the figure, reference numeral 8 is a hole for fixing a female screw member 17, which will be described later, and reference numeral 18a is a knob for vertically adjusting the cutter unit 1.

2, 3 and 4 are a side view, a plan view and a front view of a groove cutting device A of the present invention, in which the cutter unit 1 is attached to a frame 10 so as to be adjustable in the vertical direction. . In the frame 10, the front and rear lateral plates 12 and 13 are fixed to the leg plates 11 and 11 to form a rectangular frame, and the cutter portion support 14 is located at the center of the upper surface of the lateral plates 12 and 13. It is fixed in the direction. Frame 10
Two guide shaft mounting plates 15 are fixed to the left and right of the upper surfaces of the front end and the rear end, respectively, and a pair of guide shafts 16 and 16 are fixed to the guide shaft mounting plates 15 as slider guides.

Referring to FIGS. 4 and 5, the female screw member 17 is fixed to the lower side surface of the cutter holder 2 with a screw passing through the hole 8, and an adjusting screw 18 is associated therewith. The adjusting screw 18 includes a knob 18a, a screw portion 18b, a small diameter portion 18c, and a screw hole formed in an end surface of the small diameter portion 18c. A stopper 18d is screwed into a screw hole formed in the end face of the support body 14 by loosely fitting it into a round hole formed in the support body 14. Therefore, the adjustment screw 18 is vertically held by the cutter support 14 and is rotatably held, and when the knob 18a is rotated, the cutter 18 is rotated by the screw action of the screw 18b and the female screw member 17. It can be moved up and down, whereby the depth of the groove to be cut out from the work material w is adjusted.

The slider 20 is used for placing the processed material w and passing it through the processing position. The two slider bottom plates 21 and 21 are connected to a vertical slider front plate 23 with the clearance groove 22 opened. It has a structure in which the slider rear plate 24 is connected,
The clearance groove 2 is also formed on the slider front plate 23 and the slider rear plate 24.
2 is provided with a relief groove 22a (FIG. 4) and a relief groove 22b (FIG. 5). On the lower surface of the slider bottom plates 21 and 21, there is a bearing 25 which is slidably fitted in the guide shafts 16 and 16.
4 are attached, which allows the slider 20
Can be guided and moved from the front end to the rear end of the guide shaft 16, and the escape grooves 22b, 22 and 22a can be moved by the cutter 3,
Pass over 4 and 5.

A safety cover 26 is fixed forward at the center of the upper end of the slider front plate 23, and a safety cover 27 is fixed rearward at the upper end of the slider rear plate 24. Long grooves 28, 28 are formed in the lower left and right sides of the slider front plate 23 and are used for positioning a positioning member 29 for determining the position of the end of the processed material w. A screw hole is formed in the end surface of the positioning member 29, and the positioning member 29 can be fixed at an arbitrary position by strongly screwing the screw portion of the push screw 30 into the screw hole through the long groove 28. .

With the above construction, as shown in FIG. 2, a large number of processed materials are placed between the front plate 23 and the rear plate 24 of the slider 20, and the height of the cutter portion 1 is adjusted by the knob 18a. hand,
Set the cutting positions of the cutters 3, 4, and 5 to approximately the height of the processed material w.
If the height of the vertical cutter 3 is fixed to one half and fixed with the tightening screw 7, the slider front plate 23 is manually pushed and the workpiece w is restrained from moving upward while it is moved forward. Cutting of the vertical cutter 4 starts with a delay of the phase difference p1, cutting of the vertical cutter ends when it passes through the cutting edges 3c and 4c, and when it next passes the horizontal cutter 5, all cutting in the vertical and horizontal directions ends, and chips fall downward. To do.

As described above, by shifting the timing at which the vertical cutters 3 and 4 operate, only one vertical cutter cuts one processed material w at any one time. The lateral pressure applied to the cutter can be suppressed to be small, and the cutting resistance applied from the whole can be reduced.

When the number of processed materials w to be processed is small, the processed materials w may be moved toward the slider front plate 23 side to move the slider 20 forward.

[0018]

According to the first aspect of the present invention, the groove can be cut off by simply placing the processed material on the slider and pushing it manually, which is advantageous in that the operation is simple and no dust is generated, and the device configuration is simple. Therefore, there is an effect that the device can be manufactured easily and inexpensively.

According to the second aspect of the present invention, since the two vertical cutters do not act on one processed material at the same time, cutting resistance can be suppressed to a low level, and the work can be facilitated.

According to the third aspect, there is an effect that the groove having a desired depth can be cut out by adjusting the position of the cutter portion.

[Brief description of drawings]

FIG. 1 is a perspective view of a main part of an embodiment of the present invention.

2 is a sectional view taken along line 2-2 of FIG.

FIG. 3 is a plan view of the embodiment of the present invention.

[Figure 4] Similarly, a front view

FIG. 5 Partial sectional view

FIG. 6 is a front view of a slider rear plate.

[Fig. 7] Illustration for using the partition plate

[Explanation of symbols]

1 Cutter part 2 Cutter holder 3, 4
Vertical cutter 5 Horizontal cutter 10 Frame 14 Cutter support 16 Guide shaft
17 Female screw member 18 Adjustment screw
20 slider 21 slider bottom plate
22, 22a, 22b Escape groove 23 Front slider plate 24 Rear slider plate
A Grooving device w Processed material

Claims (3)

[Claims] 1. Two thin plate-shaped vertical cutters for cutting both side surfaces of a groove with respect to a processed material are attached to a cutter holder in parallel so that the cutting edges are inclined and the cutting edges are at the same height. Attach one horizontal cutter for cutting to the cutter holder behind the cutting end of the vertical cutter to make a cutter part,
A cutter support that has a cutter attached to the frame,
A grooving device comprising: a slider guide parallel to the cutter portion; a slider on which a workpiece is placed; an escape groove extending across the cutter portion; and the slider being movably installed on the slider guide. 2. The grooving device according to claim 1, wherein the two vertical cutters are attached to a cutter holder by shifting the attachment positions back and forth. 3. The groove cutting device according to claim 1, wherein the cutter holder is attached to a frame so that the height of the cutter holder is adjustable.