JP2007283444A - Brush material - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a wear-resistant and durable brush material for use in polishing and grinding to polish and deburr the surface of a workpiece, with which deburring effects and polishing effects can be expected even if burrs occurring on the surface or corners of the workpiece are hard when used under such severe conditions as the brush material is brought into contact with the surface of the workpiece while rapidly rotated or strong pressing force is applied. <P>SOLUTION: A covering layer 14 with a fine-powdered polishing agent 13 mixed is provided on a surface of a bristle material 12a with a polishing agent 10 of large grains mixed and comprising an assembly of a plurality of resin bristles 12 with a circular or polygonal cross section. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a brush material that can be used for polishing and grinding for polishing or deburring the surface of a workpiece.

Conventionally, as a brush material that can be used for polishing the surface of a workpiece, polishing such as deburring, and grinding, for example, a plurality of synthetic fibers mixed with abrasive grains are used as a core, and around this core The thing using the brush raw material which gave multi filament of thin synthetic fiber as a cover ring is known. (See Patent Document 1)
JP-A-63-3318907

  However, the above-mentioned brush material with multi-filament covering of synthetic fibers is used for polishing and grinding of the workpiece surface, deburring, etc., and contacting the workpiece surface while rotating at high speed If the burrs generated on the surface and corners of the workpiece are hard when used under severe conditions such as applying a strong pressing force, etc., expect deburring and polishing effects Because it was not possible, improvement was desired.

  The present invention solves the above-described problems, and is used for polishing and grinding of the workpiece surface, deburring, etc., and contacting the workpiece surface while rotating at high speed, giving a strong pressing force, etc. When used under harsh conditions, even if the burrs generated on the surface and corners of the workpiece are hard, it has wear resistance and durability that can be expected to have a deburring effect and polishing effect An object is to provide a brush material.

  In order to solve the above-mentioned problem, the invention described in claim 1 is characterized in that a fine abrasive powder is mixed on the surface of a resin brush bristle material in which a coarse abrasive is mixed and a plurality of resin bristles having a circular or polygonal cross section are gathered. This is a brush material provided with a covering layer made of a resin film mixed with a polishing material.

  Further, the invention according to claim 2 is the brush material according to claim 1, wherein the covering layer is formed by coating a resin, spirally winding a resin film, or mounting a resin thin film pipe material. It is.

  According to a third aspect of the present invention, the coarse abrasive has a particle size in the range of F50 to F100, and the fine abrasive has a particle size in the range of # 2,500 to # 8,000. The brush material according to 1 or 2.

  According to the brush material of the present invention, the brush bristle material is provided with a covering layer on the surface of the resin brush bristle material obtained by converging a plurality of brush hairs. In addition, burrs are generated on the surface and corners of workpieces when they are used under severe conditions such as making contact while rotating at high speed or applying a strong pressing force. Deburring effect and polishing effect can be expected.

  Embodiments of the present invention will be described below with reference to the drawings. In addition, the same code | symbol in each figure shows the same component.

  FIG. 1A is a schematic perspective view showing a brush material of Example 1 according to the present invention, and FIG. 1B is an enlarged sectional view taken along line AA of the brush material of FIG.

  1 (a) and 1 (b), a brush material 11 is formed into a circular cross section by mixing coarse abrasives (one or more of alumina, silicon carbide, cerium oxide, diamond) 10 therein. Four resin brush bristles 12 are converged to form a brush bristle material 12a, and a covering layer 14 is formed on the surface of the brush bristle material 12a by a resin film mixed with fine abrasive material 13. . The particle diameter and particle size of the coarse abrasive 10 and fine abrasive 13 are defined in JIS R6001 (1998), and the coarse abrasive 10 has a particle size in the range of F50 to F100. The particle size of the abrasive 13 is in the range of # 2,500 to # 8,000.

  FIG. 2A is a schematic perspective view showing a brush material of Example 2 according to the present invention, and FIG. 2B is an enlarged sectional view taken along line BB of the brush material of FIG.

  In FIG. 2, a brush material 21 is formed by converging four resin brush bristles 22 mixed with coarse abrasive 10 and formed into a triangular cross section to form a brush bristle material 22a, and the surface of the brush bristle material 22a. In addition, a covering layer 14 made of a resin film mixed with fine abrasive powder 13 is provided.

  FIG. 3A is a schematic perspective view showing a brush material of Example 3 according to the present invention, and FIG. 3B is an enlarged sectional view taken along the line C-C of the brush material of FIG.

  In FIG. 3, the brush material 31 forms a brush bristle material 32a formed by converging four resin brush hairs 32 mixed with the coarse abrasive 10 and formed into a square cross section. A covering layer 14 made of a resin film mixed with fine abrasive material 13 is provided on the surface.

  FIG. 4A is a schematic perspective view showing a brush material of Example 4 according to the present invention, and FIG. 4B is an enlarged sectional view taken along line DD of the brush material of FIG.

  In FIG. 4, a brush material 41 includes a coarse abrasive 10 and a resin brush hair 12 having a circular cross section, a resin brush hair 22 having a triangular cross section, and a resin brush having a square cross section. It is formed by providing a covering layer 14 made of a resin film mixed with a fine powdery abrasive 13 on the surface of a brush bristle material 42a formed by converging a total of three hairs 32 each mixed. .

  FIG. 5A is a schematic perspective view showing a brush material of Example 5 according to the present invention, and FIG. 5B is an enlarged sectional view taken along line EE of the brush material of FIG.

  In FIG. 5, the brush material 51 is mixed with the coarse abrasive 10 to form resin brush hairs 52 having a circular cross section and a large diameter, and resin brush bristles 53 having a circular cross section and a small diameter. A fine powder is formed on the surface of a brush bristle material 54 formed by arranging and concentrating a plurality (12 in FIG. 5) of resin brush hairs 53 having a small diameter around one resin brush hair 52 having a large diameter. This is formed by providing a covering layer 14 made of a resin film mixed with the abrasive 13.

  Each of the covering layers 14 described above was formed of a resin film in which one or more of alumina, silicon carbide, cerium oxide, and diamond were mixed as the fine abrasive 13. The proportion of fine abrasive 13 mixed in the resin coating was 1 to 10% by weight of diamond and 90 to 99% by weight of other abrasives.

  Moreover, each covering layer 14 may mix aromatic powder or deodorant powder with the fine abrasive 13. Thus, if aromatic powder or deodorant powder is mixed in the fine abrasive material, the brush bristle material 12a can be given aromaticity and deodorant during the polishing process of the workpiece.

  6 (a), 6 (b), and 6 (c) show a resin mixed with a coarse abrasive (alumina, silicon carbide, cerium oxide, or one or more kinds of diamond) having a particle size in the range of F50 to F100. Brush hairs 12, 22, and 32. 6A shows the resin brush bristles 12 having a circular cross section, FIG. 6B shows the resin brush bristles 22 having a triangular cross section, and FIG. 6C shows the resin brush bristles 32 having a square cross section. .

  FIG. 7 is a schematic view showing examples of cross-sectional shapes of various resin brush hairs. The resin brush bristles 12, 22 and 32 in Examples 1 to 4 are illustrated with a cross-sectional shape of a round shape, a triangular shape and a quadrangular shape (square). A rectangular shape, an elliptical shape 35, a cross shape 36, a glass shape 37 like a heel, a four-leaf clover shape 38 (or a three-leaf clover shape not shown), and a rectangular shape 39 may be used.

  Each of the resin brush bristles 12, 22, and 32 is illustrated with respect to a linear wire, but in addition to this, as shown in FIG. 8 (a), the twisted wire-shaped metal brush bristles 22c and FIG. 8 (b) are illustrated. Thus, the resin brush bristles 22d formed in a fine wavy line shape can be used.

  Further, when a brush bristle material is formed by bundling two or more resin brush bristles 12, 22 and 32, a plurality of various linear resin brush bristles 12 are bundled together to form a brush bristle material. Alternatively, as shown in FIG. 9, a plurality of (three in FIG. 9) various linear resin brush bristles 12 may be meshed to form the brush bristle material 60.

  The covering layer 14 can be formed by coating a resin. However, as shown in FIG. 10A, the covering layer 14a may be formed by spirally winding a resin film. As shown in (b), a resin thin film pipe material may be attached to form the covering layer 14b.

  11A to 11E are schematic views showing examples of cross-sectional shapes of other brush materials. The brush materials 11, 21, 31, 41, and 51 in Examples 1 to 5 are illustrated with the cross-sectional shape of the covering layer 14 formed in a circular ring shape, but the covering layer of the brush material is illustrated in FIG. ) Is a square ring 61 with round holes, the cross-sectional shape shown in FIG. 11 (b) is a triangular ring 62, the cross-sectional shape shown in FIG. 11 (c) is a hexagonal ring 63, and the cross-sectional shape shown in FIG. 11 (d). Can be made into various covering layers having an octagonal ring shape 64 and an elliptical ring shape 65 in cross section shown in FIG.

  The present invention is not limited to the above-described embodiment, and can be implemented in any way as long as the configuration described in the claims is not changed. For example, the resin brush bristles in the covering layer are three or four in Examples 1 to 5, but may be other plural pieces.

(A) is a schematic perspective view which shows Example 1 which concerns on this invention, FIG.1 (b) is an AA line expanded sectional view of the brush raw material of Fig.1 (a). (A) is a schematic perspective view which shows Example 2 which concerns on this invention, (b) is a BB line expanded sectional view of the brush raw material of (a). (A) is a schematic perspective view which shows Example 3 which concerns on this invention, (b) is CC expanded sectional view of the brush raw material of (a). (A) is a schematic perspective view which shows Example 4 which concerns on this invention, (b) is the DD line expanded sectional view of the brush raw material of (a). (A) is a schematic perspective view which shows Example 5 which concerns on this invention, (b) is the EE line expanded sectional view of the brush raw material of (a). (A) (b) (c) is a schematic perspective view which shows the resin brush bristles whose cross section used for Examples 1-5 which concerns on this invention is circular, a triangle, and a rectangle. It is the schematic which shows the example of the cross-sectional shape of various resin brush bristles. (A) (b) is a schematic perspective view which shows the example of the other resin brush hair. It is a schematic perspective view which shows another brush bristle material. (A) (b) is a schematic perspective view which shows the example of the covering layer which concerns on this invention. (A)-(e) is the schematic which shows the example of the cross-sectional shape of another brush raw material.

Explanation of symbols

10, 13 Abrasive material 11, 21, 31, 41, 51 Brush material 12, 22, 32, 52, 53 Resin brush hair 12a, 22a, 32a, 42a, 54 Brush bristle material 14, 61-65 Covering layer 22c Twist Linear resin brush bristles 22d Resin bristles formed into wavy lines 60 Brush bristles formed by netting resin bristles

Claims (3)

  A brush material in which a coarse abrasive material is mixed to cover a surface of a resin brush bristle material in which a plurality of resin brush hairs having a circular or polygonal cross section are gathered, and a covering layer containing fine powder abrasive material is provided on the surface. .   2. The brush material according to claim 1, wherein the covering layer is formed by coating a resin, winding a resin film in a spiral shape, or mounting a pipe material of a resin thin film.   The brush material according to claim 1 or 2, wherein the coarse abrasive has a particle size in the range of F50 to F100, and the fine abrasive has a particle size in the range of # 2,500 to # 8,000.

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