JPH09117904A - Automatic grooving machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To realize the easy adjustment of a goove width and an interval between grooves without dismounting a cutter in response to the groove width of a cutting material by a method wherein a plurality of cutters are arranged in series to the feeding direction of the material and at the same time, the respective cutters are supported movably normal to the feeding direction of the material. SOLUTION: Cutters 9 and 10, the width of each of which is narrower than the groove width of a cutting material 3 to work, are respectively mounted onto sliding tables 11 and 12. Then, by turning knobs 20, the projected positions of the cutters 9 and 10 above the top surface of a table 2 are adjusted so as to fit to the depth of the desired groove. Next, by means of a handle, the cutter 11 is moved to the position to cut the right side of the groove and, at the same time, set to overlap some part of the cutters 9 and 10 with each other when seen from the feeding direction of the cutting material. When the change of the groove width is intended, the positions of the cutters 9 and 10 are shifted with handles 15 and 16. Further, also when the interval between grooves is set, the positions of the cutters 9 and 10 are set with the handles 15 and 16.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic grooving machine for grooving a cutting material with a plurality of cutters.

[0002]

2. Description of the Related Art The width of a groove used in general construction and the distance between two rows of grooves have various dimensions depending on the application. Since the conventional automatic grooving machine has only one cutter axis, it is necessary to prepare a cutter suitable for the required groove width and replace it with a cutter corresponding to the groove width each time machining is performed. Recently, there has been a free cutter that changes the groove width by changing the mounting inclination of the cutter, but its cutting surface is not so well finished and its application is limited because the bottom surface of the groove is arcuate. Further, the gap between the grooves is changed by replacing the spacer inserted between the cutters with a spacer corresponding to the gap between the grooves.

Further, when two or three rows of grooves are machined simultaneously, a plurality of cutters are attached to the cutter shaft, so that the cutter shaft becomes long. In this case, the shaft diameter is thicker than that of the portable groove cutting so that there is no problem in strength. This made the cutter bigger. Further, by using the two-row and three-row grooving, a motor having a large output is used so that it can be cut even if the cutting load is large.

[0004]

The conventional automatic grooving machine has the following problems. (1) The workability was poor because the cutter had to be replaced with a cutter according to the required groove width each time machining was performed. (2) When changing the distance between the grooves, it was necessary to replace the spacer inserted between the cutters, which required time before the work. (3) Even if a universal cutter was used, when changing the groove width, it was necessary to remove the universal cutter from the main body and adjust it in the same way as above, which made workability poor. (4) The operator had to prepare many types of cutters, which were more expensive than those for portable use, depending on the groove width, and had to spend a large amount of money on the purchase of the cutter. (5) Since the cutter diameter is large and a high-power motor is used, the product is heavy and large, making it difficult to move. It was also an expensive product.

The object of the present invention is to eliminate the above-mentioned drawbacks of the prior art, to easily perform a desired groove width, a plurality of rows of grooves, a deep groove, etc. without exchanging the cutter, and a compact, lightweight and inexpensive automatic machine. The purpose is to provide a grooving machine.

[0006]

SUMMARY OF THE INVENTION The above object is to provide an automatic groove provided with a material feeding device for feeding a cutting material to a position opposed to the table by projecting a cutter rotatably supported on the table surface. In the cutting machine, a plurality of cutters protruding from the table surface are provided, and the plurality of cutters are arranged in series in the material feeding direction of the cutting material and are movable in a direction orthogonal to the material feeding direction. Achieved by supporting.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described with reference to FIGS. 1 is a front view of a main body showing an embodiment of the present invention, FIG. 2 is a partial cross-sectional side view of FIG. 1, and FIG. 3 is AA of FIG.
A line sectional view, FIG. 4 is an explanatory view when grooving by combination, FIG. 5 is an explanatory view when grooving two rows, and FIG. 6 is an explanatory view when deep grooving.

In the figure, a table 2 is provided on a base 1, and a head 5 having a material feeding roller 4 serving as a material feeding device for feeding the cutting material 3 is provided at a position facing the upper surface of the table 2, and the table 2 is provided. The feed screw 8 that rotates with the lifting handle 7 is fitted and the head 5 is supported by the feed screw 8, so that the head 5 can move up and down with the columns 6 and 6 standing on the table 2 as guides.

The central portion of the upper surface of the table 2 is open,
Slide tables 11 and 12 are provided in the opening in series in the feeding direction of the cutting material 3 (direction of arrow B in FIG. 1). A cutter 9 is provided on the slide table 11 and a cutter 10 is provided on the slide table 12, and the cutters 9 and 10 are rotationally driven by a motor (not shown). Inside the table 2, slide pipes 13 and 14 extending in a direction orthogonal to the feeding direction of the cutting material 3 (direction of arrow C in FIG. 2) are provided. The slide table 11 is a slide pipe 13 and the slide table 12 is a slide pipe 14. Is supported by each. Handles 15 and 16 are provided on the front side of the table 2. The threaded portion of the handle 15 is screwed into the lower portion of the slide table 11, and the threaded portion of the handle 16 is screwed into the lower portion of the slide table 12, respectively. Handles 15, 16
By rotating the slide table 11,
12 moves in the direction of arrow C with the slide pipes 13 and 14 as a guide. That is, the cutters 9 and 10 move together with the slide tables 11 and 12 by the rotation of the handles 15 and 16.

In the slide table 11, a cutter housing 17 for rotatably supporting the cutter 9 is rotatably supported on one side of the slide pipe 13. A worm 19 is attached to an arc rack 18 provided on the cutter housing 17.
The worms 19 are engaged with each other, and a knob 20 is provided at one end of the worm 19. When the knob 20 is rotated, the cutter housing 17 is rotated in the up-down direction via the arc rack 18, and the cutter housing 17 is rotated, so that the protrusion amount of the cutter 9 protruding from the upper surface of the table 2 can be adjusted. The height of the cutter 10 protruding from the upper surface of the table 2 can be adjusted by the same structure as the cutter 9 described above.
A guide 21 for guiding the feeding of the cutting material 3 is provided on the table 2.

In the above structure, when the two cutters 9 and 10 are used to form a groove having a desired groove width as shown in FIG. 4, the cutter is narrower than the groove width of the cutting material 3 to be processed. 9 and 10 are attached, the knob 20 is rotated, the protruding position of the cutters 9 and 10 with respect to the upper surface of the table 2 is adjusted according to the desired groove depth, and then the cutter 16 is cut to the position where the right side of the groove is cut. 10 is moved so that the cutters 9 and 10 are partially overlapped with each other when viewed from FIG. In this state, the cutters 9 and 10 and the material feeding roller 4 are rotationally driven, and when the cutting material 3 is inserted into the material feeding path formed between the upper surface of the table 2 and the lower surface of the head 5 while abutting the side surface of the guide 19, The cutting material 3 is fed by the material feeding roller 4 toward the cutters 9 and 10, and groove processing by compounding can be performed. The groove width of the cutting material 3 can be easily changed only by moving the positions of the cutters 9 and 10 with the handles 15 and 16.

As shown in FIG. 5, when the cutter 9 is used to machine the first row and the cutter 10 is used to machine the second row, the distance between the grooves can be obtained simply by moving the positions of the cutters 9 and 10 with the handles 15 and 16. Easy to change.

When processing a deep groove as shown in FIG. 6, the positions of the cutters 9 and 10 are set to be the same when viewed from FIG. 6, the knob 20 on the cutter 10 side is operated, and the cutter 10 is moved more than the cutter 9. Make it protrude from the surface of the table 2. When grooving, first, the cutter 9 processes a groove having a depth of about half, and the cutter 10 processes the remaining depth. By doing so, the cutting load per cutter can be reduced.

[0014]

According to the present invention, a plurality of cutters are arranged in series with respect to the material feeding direction, and the respective cutters are movably supported in the direction orthogonal to the material feeding direction to enable complex cutting. Therefore, the groove width and the interval between the grooves can be easily adjusted without removing the cutter according to the groove width of the cutting material, and the workability at the time of groove processing is significantly improved.

Further, since the cutting load per cutter is reduced, the cutter may be small and inexpensive, and since a motor having a relatively small output can be used, a small and lightweight automatic groove cutting machine can be used. Can be provided.

Furthermore, since a small number of types of cutters can be used for processing in accordance with desired groove processing conditions, many types of cutters are not required, and the cost of purchasing the cutters can be reduced.

[Brief description of the drawings]

FIG. 1 is a front view of a main body showing an embodiment of the present invention.

2 is a partial cross-sectional side view of FIG.

FIG. 3 is a sectional view taken along line AA of FIG. 2;

FIG. 4 is an explanatory diagram at the time of grooving by combination.

FIG. 5 is an explanatory diagram when processing two-row grooves.

FIG. 6 is an explanatory diagram at the time of deep groove processing.

[Explanation of symbols]

2 is a table, 3 is a cutting material, 9 and 10 are cutters, 11 and
12 is a slide table, 13 and 14 are slide pipes, 15 and 16 are handles, 17 is a cutter housing,
18 is an arc rack, 19 is a worm, and 20 is a knob.

Claims (2)

[Claims] 1. An automatic grooving machine provided with a material feeding device for feeding a cutting material to a position facing the table by projecting a cutter rotatably supported on the table surface, on the table surface. A plurality of cutters protruding from the cutter are provided, the plurality of cutters are respectively arranged in series with respect to the feeding direction of the cutting material, and are supported movably in a direction orthogonal to the feeding direction. Grooving machine. 2. The automatic grooving machine according to claim 1, wherein the height of the cutter protruding from the table surface is adjustable.