JP2000246653A - Deburring tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a deburring tool having a long service life and improved performance without causing secondary burrs and plugging. SOLUTION: The tip of a rotary shaft 3 is provided with a combination of grinding wheels 5 and brushes 7. The grinding wheels 5 and brushes 7 form a circular cross section around the rotary shaft 3, and the grinding wheels 5 and brushes 7 are alternately provided in a circumferential direction.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a deburring apparatus for removing burrs generated on a work when processed by a shearing machine or a punch press or dross generated on a work when processed by a laser processing machine. Regarding the deburring tool used.

[0002]

2. Description of the Related Art Conventionally, burrs generated on a work when processed by a shearing machine, a punch press, or the like,
(A), a rotating shaft 10 as shown in FIG.
Deburring tool 10 having a grindstone 103A fixed to the tip of 1
5, (B), a rotating shaft 1 as shown in FIG.
A deburring tool 107 in which a grindstone 103B made of abrasive-containing rubber is adhered to the tip of a rotating shaft 101, a nylon brush 109 containing abrasive grains is attached to the tip of a rotating shaft 101 as shown in FIG. (Also referred to as Tynex), a deburring tool 111 crimped by caulking, and (D)
As shown in FIG. 7D, the wire shaft 113 is removed by a deburring tool 115 which is crimped to the tip of the rotating shaft 101 by caulking.

[0003]

However, if burrs are removed by the above-mentioned conventional deburring tool 105, secondary burrs are generated and clogging occurs, making it impossible to remove burrs. If burrs are removed by the conventional deburring tool 107, there is a problem that the rubber is worn, the life is short, and the ratio of abrasive grains is reduced, so that the grinding ability is small.

In addition, when removing burrs with the conventional deburring tool 111, there is a problem that the brush opens when the rotational speed is increased, and the nylon brush containing abrasive grains wears out and has a short life.

Further, when the burr is removed by the conventional deburring tool 115, the brush is opened when the rotation speed is increased, and the brush is hit by the brush to remove the burr. There is a problem that it cannot be removed.

An object of the present invention is to provide a deburring tool which is free from secondary burrs and clogging, has a longer life and has improved performance.

[0007]

According to a first aspect of the present invention, there is provided a deburring tool comprising a combination of a grindstone and a brush provided at the tip of a rotatable rotating shaft. It is assumed that.

Therefore, the burr is removed by rotating the rotating shaft of the deburring tool to bring the grindstone into contact with the burr generated on the work. Even if secondary burrs are generated during the removal of burrs, the secondary burrs are easily removed by the brush and the performance is improved without clogging.

Thus, the life of the deburring tool is made longer than that of the conventional one, and the number of rotations is increased, so that the machining speed is increased.

According to a second aspect of the present invention, there is provided a deburring tool according to the first aspect, wherein the grindstone and the brush have a circular cross section around the rotation axis, and the grindstone and the brush are circular. It is characterized by being provided alternately in the circumferential direction.

Therefore, since the grinding wheel and the brush have a circular cross section around the rotating shaft and the grinding wheels are alternately provided in the circumferential direction, the rotating shaft is rotated to separate the grinding wheel and the brush. By contacting the burr generated on the work, the same operation as in the first aspect can be obtained.

According to a third aspect of the present invention, there is provided a deburring tool according to the first aspect of the present invention, further comprising a grindstone having a circular cross section around the rotation axis, and having a circular cross section in the grindstone. It is characterized in that a plurality of brushes are provided.

Therefore, a grinding wheel having a circular cross section is provided around the rotation axis, and a plurality of brushes having a circular cross section are provided in the grinding stone. Is brought into contact with the burr generated on the work, whereby the same effect as in claim 1 can be obtained.

According to a fourth aspect of the present invention, there is provided a deburring tool according to the first aspect, wherein the deburring tool has a grindstone having a circular cross section around the rotation axis, and a brush is provided on an outer periphery of the grindstone. It is characterized by the following.

Therefore, a grindstone having a circular cross section is provided around the rotating shaft, and the rotating shaft provided with a brush on the outer periphery of the grindstone is rotated so that the grindstone and the brush are generated on the work. By contacting the portion, the same action as in claim 1 can be obtained.

According to a fifth aspect of the present invention, a deburring tool according to the present invention is characterized in that a plurality of whetstones and brushes are alternately provided radially around the rotation axis.

Therefore, a plurality of whetstones and brushes are alternately provided radially around the rotation axis, so that the rotation shaft is rotated to apply the whetstone and the brush to the burr generated on the workpiece. By bringing them into contact with each other, the same operation as the first aspect is obtained.

According to a sixth aspect of the present invention, there is provided a deburring tool according to the first, second, third, fourth, or fifth aspect, wherein the brush is made of a wire brush, and the material of the wire brush is metal or metal. It is characterized by being made of a synthetic resin.

Therefore, a grindstone having a circular cross section is provided around the rotation axis, and a plurality of wire brushes having a circular cross section are provided in the grindstone. The same operation as in the first aspect can be obtained by contacting with.

According to a seventh aspect of the present invention, in the deburring tool according to the sixth aspect, at least an upper end portion of the wire brush is bonded with an adhesive. .

Therefore, at least the upper end of the wire brush is bonded with an adhesive, so that
The number of rotations is increased, and it is prevented from spreading outward.

[0022]

Embodiments of the present invention will be described below in detail with reference to the drawings.

Referring to FIGS. 1A and 1B, the deburring tool 1 has a rotatable rotating shaft 3 at the tip (the lower end in FIG. 1A). Whetstone 5
Are fixed, and a wire brush 7 as a brush is adhered to the rotating shaft 3 side with an adhesive 9. Moreover, as shown in FIG. 1B, the grinding wheel 5 and the wire brush 7 have a circular cross section and are provided in the circumferential direction.

With the above configuration, the burr can be removed by rotating the rotating shaft 3 of the deburring tool 1 and bringing the grindstone 5 into contact with the burr generated on the work. Even if secondary burrs occur when removing burrs,
The secondary burrs can be easily removed by a brush, and the performance can be improved without clogging.

As a result, the life of the deburring tool 1 can be increased as compared with the conventional one and the rotation speed can be increased, so that the machining speed can be increased.

Referring to FIG. 2, a grindstone 13 and a wire brush 15 are provided at the tip of the rotating shaft 11 of the deburring tool 9. That is, a grinding wheel 13 having a circular cross section is provided around the rotation shaft 11, and a plurality of wire brushes 15 having a circular cross section are provided in the grinding stone 13.

Therefore, the same operation and effect as those of the embodiment shown in FIG. 1 can be obtained.

Referring to FIG. 3, a grindstone 21 and a wire brush 23 are provided at the tip of the rotating shaft 19 of the deburring tool 17. That is, a grindstone 21 having a circular cross section is provided around the rotation shaft 19, and a wire brush 23 is provided on the outer periphery of the grindstone 21.

Therefore, the same operations and effects as those of the embodiment shown in FIG. 1 can be obtained.

Referring to FIG. 4, a grindstone 29 and a wire brush 31 are provided at the tip of the rotating shaft 27 of the deburring tool 25. That is, a plurality of grindstones 29 and wire brushes 31 are provided alternately radially about the rotation shaft 27.

Therefore, the same operation and effect as those of the embodiment shown in FIG. 1 can be obtained.

Referring to FIG. 5, a grindstone 37 and a wire brush 39 are provided at the tip of the rotating shaft 35 of the deburring tool 33. That is, a wire brush 39 is provided on the outer circumference of the grindstone 37, and the outer circumference of the wire brush 39 on the side of the rotating shaft 35 is an adhesive 41 such as vinyl chloride.
It is glued. As a result, when the wire brush 39 comes into contact with the workpiece and removes burrs, it does not spread even if the number of rotations is increased.

Therefore, the same operations and effects as those of the embodiment shown in FIG. 1 can be obtained.

Referring to FIG. 6, a grindstone 47 and a wire brush 49 are provided at the tip of the rotating shaft 45 of the deburring tool 43. That is, the outer periphery of the rotary shaft 45 of the wire brush 49 is adhered with an adhesive 51 such as vinyl chloride. As a result, when the wire brush 49 comes into contact with the workpiece and removes burrs, the wire brush 49 does not spread even if the number of rotations is increased.

Therefore, the same operations and effects as those of the embodiment shown in FIG. 1 can be obtained.

The deburring tools 1, 9 shown in FIGS.
In 17, 25, 33, 43, the grindstones 5, 13, 2
1, 29, 37, 47 and wire brushes 7, 15,
It is also possible to taper the tip of each of 23, 31, and 49, for example, by 120 to 150 °.

It should be noted that the present invention is not limited to the above-described embodiment of the present invention, but by making appropriate changes,
It can be implemented in other aspects. In the present embodiment, a nylon brush containing abrasive grains, a SUS wire, a brass wire, or a hard copper wire may be used instead of the wire brush. Instead of a grindstone, a rubber grindstone, a nonwoven fabric containing abrasive grains, and a carbide cutter may be used.

[0038]

As will be understood from the above description of the embodiments of the present invention, according to the first aspect of the present invention, the rotary shaft of the deburring tool is rotated on the burr generated on the work. The burr can be removed by bringing the grinding stone into contact with the grinding wheel. Even if secondary burrs are generated at the time of removing the burrs, the secondary burrs can be easily removed by the brush and the performance can be improved without clogging. According to the invention of claim 2, since the grindstone and the brush have a circular cross section around the rotation axis and the grindstones are provided alternately in the circumferential direction, the rotation shaft is rotated and the grindstone is rotated. By bringing the brush and the brush into contact with the burr generated on the work, the same effect as in claim 1 can be obtained.

According to the third aspect of the present invention, there is provided a grindstone having a circular cross section around the rotary shaft, and a plurality of brushes having a circular cross section are provided in the grindstone. The same effect as in claim 1 can be obtained by rotating the grindstone and the brush so as to contact the burr generated on the work.

According to the fourth aspect of the present invention, a grinding wheel having a circular cross section is provided around the rotating shaft, and a brush is provided on the outer periphery of the grinding stone. Is brought into contact with the burr generated on the work, whereby the same effect as in claim 1 can be obtained.

According to the fifth aspect of the present invention, a plurality of whetstones and brushes are alternately provided radially around the rotating shaft, so that the rotating shaft is rotated to generate the whetstone and the brush on the work. The same effect as in claim 1 can be obtained by contacting the burr portion.

According to the sixth aspect of the present invention, there is provided a grindstone having a circular cross section around the rotation axis, and a plurality of wire brushes having a circular cross section are provided in the grindstone. The same effect as in claim 1 can be obtained by contacting the generated burrs.

According to the invention of claim 7, since at least the upper end portion of the wire brush is adhered with the adhesive, the number of rotations can be further increased and the wire brush can be prevented from spreading outward. .

[Brief description of the drawings]

1 (A) and 1 (B) are a front view and a bottom view of a deburring tool of the present invention.

FIG. 2 is a bottom view of a deburring tool diagram according to another embodiment of the present invention.

FIG. 3 is a bottom view of a deburring tool diagram according to another embodiment of the present invention.

FIG. 4 is a bottom view of a deburring tool diagram according to another embodiment of the present invention.

FIG. 5 is a front view of a deburring tool diagram according to another embodiment of the present invention.

FIG. 6 is a front view of a deburring tool diagram according to another embodiment of the present invention.

7 (A) to 7 (D) are front views of a conventional deburring tool.

[Explanation of symbols]

1, 9, 25, 33, 43 Deburring tool 3, 11, 19, 27, 35, 45 Rotation axis 5, 13, 29, 37, 47 Grinding stone 7, 15, 23, 31, 39, 49 Wire brush (brush ) 41, 51 Adhesive

Claims (7)

[Claims] 1. A deburring tool characterized in that a grindstone and a brush are provided in combination at the tip of a rotatable rotating shaft. 2. A burr according to claim 1, wherein a whetstone and a brush have a circular cross section around the rotation axis, and the whetstone and the brush are alternately provided in a circumferential direction. Tool. 3. A deburring machine according to claim 1, further comprising a grindstone having a circular cross section around the rotation axis, and a plurality of brushes having a circular cross section provided in the grindstone. Utensils. 4. The deburring tool according to claim 1, further comprising a grindstone having a circular cross section around the rotation axis, and a brush provided on an outer periphery of the grindstone. 5. The deburring tool according to claim 1, wherein a plurality of whetstones and brushes are alternately provided radially around the rotation axis. 6. The deburring tool according to claim 1, wherein the brush is made of a wire brush, and the material of the wire brush is made of metal or synthetic resin. 7. The deburring tool according to claim 6, wherein at least an upper end portion of the wire brush is adhered with an adhesive.