JPH07213340A - Cleaning brush - Google Patents

Abstract

PURPOSE:To extend rigidity and a service life by applying cleaning and grinding without impairing an opposite material due to elasticity by joining every plural wire rods with a joint material with elasticity. CONSTITUTION:Every plural wire rods 4 are joined by using the joint material 5 with elasticity when they are inserted to an insertion hole 2b in this cleaning brush 1, and every plural joined bundles 6 are inserted to each insertion hole 2b. At this time. each wire rod 4 is bundled with the joint material 5 with elasticity. Therefore, the grinding state of the wire rod in the joined bundle 6 where the rigidity higher than that when the single wire of each wire rod is used as it is can be obtained, and the slasticity higher than that when the wire rod with diameter same as that of the joined bundle 6 is used can be obtained can be set. Therefore, the grinding can be performed without impairing an injection valve 10 to be ground and with durability. The service life of the cleaning brush can be extended to 1100 compared with the case that the service life of the brush using the same wire rod 4 in an unjoined state is extended up to 600 valves 10.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cleaning brush such as a wire brush of a polishing apparatus.

[0002]

2. Description of the Related Art Conventionally, in this type of wire brush, as described in Japanese Utility Model Laid-Open No. 59-183360,
A plurality of insertion holes for inserting a large number of wire rods are formed on the outer peripheral edge of the disc-shaped holding plate, and a large number of wire rods are inserted into each insertion hole and folded in two at approximately the center to hold. It is configured to project radially from the plate.

When this wire brush is used, a holding plate is attached to a rotary drive shaft, and while the holding plate is being rotated, both ends of a large number of wire rods on the outer peripheral side of the holding plate are pressed against a polishing portion to be cleaned, for example, in an automobile. Remove welding spatter from the injection valve.

[0004]

However, in the wire brush described in the above publication, stress is repeatedly concentrated on the root portion of each wire rod on the side of the holding plate during polishing, so that the root portion of each wire rod breaks in a short period of time. In some cases, it became unusable.

The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a cleaning brush whose life can be improved.

[0006]

In the cleaning brush according to the present invention, a plurality of insertion holes for inserting a large number of wire rods are formed on the outer peripheral edge of a disc-shaped holding plate, and the plurality of wire rods are
A cleaning brush that is inserted into each of the insertion holes, is folded in half at substantially the center, and radially protrudes from the holding plate, and the wire rod inserted into each of the insertion holes has flexibility. It is characterized in that a plurality of the fastening members are fastened by the fastening material, and the fastened fastening bundle is inserted into each of the insertion holes.

[0007] The wire may be a metal wire, and further, of the metal wires, a piano wire which is resistant to fatigue can be used.

[0008]

In the cleaning brush according to the present invention, the holding plate is driven to rotate, and both ends of the wire on the outer peripheral side of the holding plate come into contact with the polishing portion.

At this time, each wire is fastened by a plurality of flexible fastening materials, and the fastened bundle is inserted into each insertion hole of the holding plate to clean the brush. Is configured.

That is, in the polished state, since the wires are bundled by the flexible fastening material, the wire bundle is more rigid than the case where the single wires of the respective wires are used as they are, and the bundled fastening bundle is used. The wire bundle is more elastic than when a wire rod having the same diameter as that of (1) is used, and is in a state of being ground by the fastening bundle.

[0011]

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

As shown in FIG. 1, the cleaning brush 1 of the first embodiment has a holding plate 2 and a pressing plate 3 for sandwiching the holding plate 2 from both sides.
3 and a wire rod 4 radially protruding from the holding plate 2.

The holding plate 2 has a disk shape, and a mounting hole 2a for mounting the holding plate 2 on the rotary drive shaft 8 is formed in the center, and a plurality of wire rods 4 for inserting a large number of wire rods 4 are formed on the outer peripheral edge. The insertion hole 2b is formed.

The wire 4 is a hard steel wire (SWR) having a wire diameter of 0.2 mm.
H62A) is used, a large number of wire rods 4 are inserted into the respective insertion holes 2b of the holding plate 2 and are folded in two substantially at the center,
By pressing the disk-shaped pressing plates 3 from both sides of the holding plate 2, the pressing plates 3 are attached to the holding plate 2 in a radially projected state.

In the cleaning brush 1 of the first embodiment,
When each wire rod 4 is inserted into the insertion hole 2b, a plurality of (28 in the embodiment) fasteners are fastened using the fastening material 5 having flexibility, and the fastened bundle 6 is fastened. A plurality (10 in the embodiment) are inserted into each insertion hole 2b. In the case of the embodiment, the same material as the wire 4 is used as the fastening material 5.

The manufacture of the cleaning brush 1 will be described. First, as shown in FIG. 2, a plurality of wire rods 4 are wound with a fastening member 5 while keeping a long length. After that, the fastening bundle 6 cut into a predetermined length is folded in two by a predetermined number and inserted into each insertion hole 2b of the holding plate 2, and the pressing plates 3 and 3 are pressed on both sides of the holding plate 2 by pressing. The cleaning brush 1 can be manufactured by tightening and fixing.

The cleaning brush 1 thus constructed is shown in FIG.
As shown in, by setting the rotary drive shaft 8 and rotating it, and applying the end portion of the wire 4 on the outer peripheral surface side to the injection valve 10 made of stainless steel set in the rotating jig 9,
The welding spatter adhered to the surface can be removed by polishing.

At this time, since the wire rods 4 are bundled by the flexible fastening material 5, the wire bundles 4 have higher rigidity than the case where the single wires of the wire rods 4 are used as they are and the bundled fastening bundles are used. Since it is in a state of being polished by the fastening bundle 6 which has elasticity more than the case of using a wire having a diameter of 6, the injection valve 10 to be polished can be polished with durability and without being damaged. it can.

In the case of the first embodiment, the cleaning brush using the same wire rod 4 in the non-fastened state cleaned 600 injection valves 10 and reached the end of its service life. It was possible to extend the life to 1,100 cleanings.

Further, in the configuration of the first embodiment, when the wire rod 4 and the fastening member 5 are made of a piano wire rod (SWRS72A) which has a wire diameter of 0.2 mm and is stronger in fatigue than a hard steel wire, the valve 10 is cleaned. It was possible to extend the life to 5000 pieces.

In the cleaning brush 11 of the second embodiment, as shown in FIG. 3, an elastic adhesive (in the embodiment,
Epoxy adhesive "Hamatite FE-4000" (Co., Ltd.)
Yokohama Rubber))) is used.

In order to manufacture the cleaning brush 11, as shown in FIG. 4, first, a plurality of (28 in the embodiment) wire rods 4 are formed.
In addition, the fastening body 15 is impregnated over the entire length while keeping it long.
Let it harden. After that, the fastening bundle 16 cut into a predetermined length
Is folded in two by a predetermined number (10 in the embodiment) and inserted into each insertion hole 2b of the holding plate 2, and the pressing plates 3 and 3 are caulked and fixed to both sides of the holding plate 2 by pressing. Then, the cleaning brush 11 can be manufactured.

In the cleaning brush 11 of the second embodiment, a hard steel wire (SWRH6) having a wire diameter of 0.2 mm is used without being fastened.
The cleaning brush using 2A) as the wire 4 cleaned the 600 injection valves 10 and reached the end of its service life, whereas the cleaning life of the valves 10 could be extended to 1800.

Further, in the structure of the second embodiment, a piano wire rod (S
If WRS72A), clean valve 10 by 4
The life could be extended to 000.

When an elastic adhesive is used as the fastening material, the hardened elastic adhesive 15 exerts a cushioning action during polishing, so that the cleaning surface is less likely to be damaged.

In the first and second embodiments, the case where a metal wire is used as the wire 4 is shown. However, synthetic resin such as polyamide containing carbon abrasive grains or alumina abrasive grains is also used. May be. When the wire rod 4 made of synthetic resin is used, as the fastening member 5, a hard steel wire or a piano wire rod which is plastically deformable and has flexibility, or the wire rod 4 is used.
It may be made of synthetic resin having flexibility similar to. Of course, in the first embodiment, the fastening member 5 may be made of a synthetic resin wire rod. By the way, when a plastically deformable wire rod is used as the fastening material 5, when the plurality of wire rods 4 are bundled, the fastening material 5 is simply wound.
Since the wire rods 4 can be plastically deformed to bundle the wire rods 4, the fastening bundle 6 can be easily formed. On the other hand, when the fastening material 5 is a wire rod made of synthetic resin, both ends of the fastening material 5 are
It is necessary to bond the wires 4 to the plurality of wire rods 4, or to bond and bond them together.

When the material of the wire 4 is a metal wire such as a steel wire, the mating member to be ground is desirable in that the steel product including the hardened product is not damaged, and the welding of the steel product is preferable. Can be used for spatter and deburring.

If the material of the wire 4 is a wire made of synthetic resin, the mating member to be polished is desirable because it does not damage the synthetic resin product, and it can be used for deburring the synthetic resin product.

[0029]

In the cleaning brush according to the present invention, since each wire is bundled by the flexible fastening material, it has rigidity as compared with the case where the single wire of each wire is used as it is,
And, it has more elasticity than the case of using a wire rod having the same diameter as the bundle of fastening bundles, it is in a state of polishing with the fastening bundle, and the elastic action allows cleaning and polishing without damaging the mating material to be cleaned, and, Due to the rigidity improving effect, the life can be improved.

If the wire material of the cleaning brush is a metal wire, it is possible to cope with cleaning and polishing of steel products. Furthermore, if the wire material of the cleaning brush is a piano wire material that is resistant to fatigue, The life can be further improved.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a usage mode of a cleaning brush according to a first embodiment of the present invention.

FIG. 2 is an explanatory diagram showing a manufacturing process of the example.

FIG. 3 is a cross-sectional view showing an aspect of using the cleaning brush of the second embodiment.

FIG. 4 is an explanatory view showing the manufacturing process of the example.

[Explanation of symbols]

 1 ································································································································ (Steel Product) Injection Valve.

Claims (3)

[Claims] 1. A plurality of insertion holes for inserting a large number of wire rods are formed in an outer peripheral edge of a disc-shaped holding plate, and the plurality of wire rods are inserted into the respective insertion holes and substantially in the center. Is a cleaning brush that is folded in two and radially protrudes from the holding plate, wherein a plurality of wire rods are inserted into each of the insertion holes by a flexible fastening member. A cleaning brush, characterized in that the fastened bundle of fasteners is inserted into each of the insertion holes. 2. The cleaning brush according to claim 1, wherein the wire is formed of a metal wire and is used for cleaning steel products. 3. The cleaning brush according to claim 2, wherein the wire rod is formed of a piano wire rod.