JP4076895B2 - Manufacturing method of disc-shaped brush - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a method of manufacturing a disk-type brush used for polishing or grinding a surface or inner diameter of a workpiece or for deburring.
[0002]
[Prior art]
As this type of disk-shaped brush, a strip-shaped brush material formed by concentrating a large number of filaments in parallel and condensing the parallel filaments with a heat-resistant adhesive having a high flexibility after curing is formed on the outer peripheral edge of the disk. A polishing brush formed by implanting a large number is known. (For example, see Patent Document 1)
[0003]
[Patent Document 1]
JP 2000-84860
[0004]
[Problems to be solved by the invention]
The polishing brush described in Patent Document 1 (Japanese Patent Application Laid-Open No. 2000-84860) has a large number of filaments concentrated together and condensed with a heat-resistant adhesive to form a belt-like brush material. A large number of material planting holes are provided at equal intervals, and a belt-like brush material is inserted into each of the disc brush material planting holes, and the tip is radially extended outward from the outer periphery of the disc. is doing. Since the work of forming a belt-like brush material in advance and inserting the belt-like brush material into each of the brush material planting holes of the disk is complicated and requires skill, an improvement in the manufacturing method of the disk-type brush is desired. It was rare.
[0005]
The present invention solves the above-described problems, and an object of the present invention is to provide a disc-shaped brush manufacturing method that is easy to manufacture .
[0006]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, the invention according to claim 1 is characterized in that a bundle of a plurality of bristle materials is inserted into the hole of the pedestal having a hole in the center, and is erected in a state of being bundled at one end. Is used as a pressing jig on the die side, and a protrusion having a conical shape at the center is provided at the center, and a bundle of brush bristle material is axially moved by a punching side pressing jig provided with a ring-shaped heater at the outer periphery of the base of the protrusion. The plurality of brush bristle materials are bent at a substantially right angle and radially arranged while forming a through hole at the center of the bundle by urging the ring, and the outer periphery of the through hole is welded in a ring shape by the ring heater Thus, a disc-shaped brush manufacturing method is characterized in that a disc-shaped brush having a ring-shaped fixing portion is manufactured .
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail with reference to the drawings illustrating embodiments. 1 (a) to 1 (e) are schematic diagrams for explaining a method of manufacturing a disc-shaped brush according to the present invention, and FIGS. 2 (a) to 2 (g) are diagrams of brush bristle materials constituting the disc-shaped brush of FIG. FIG. 3 is a schematic view showing a cross-section of the bristle material of FIG. 2 (a), and FIGS. 4 to 6 are deformed ends of the bristle material of FIGS. 1 (a) and 1 (b). FIG. 7 to FIG. 12 are perspective views (however, FIGS. 9A to 9C and FIG. 11 are front views) of a brush product formed of a bristle material.
[0008]
In FIG. 1, as shown in FIGS. 1A and 1B, the pedestal 2 has leg portions 2 b and 2 b on the left and right sides of the flat plate 2 a and is formed in a U-shaped cross section. Have a space. A hole 2c is provided in the center of the flat plate 2a, and a bundle B of a plurality of brush bristle materials 1, 1,... Is inserted into the hole 2c and is erected in a state of being bundled at one end. Next, as shown in (c), the pedestal 2 is used as a die-side press jig, and one end is bundled at a hole 2c of the pedestal 2 with a punch-side press jig 3 having a conical protrusion 3a at the tip. The plurality of brush bristle materials 1, 1, and the like are substantially formed while urging the bundle 1 a of the bristle material 1 fixed upright in the state of being held in the axial direction to form a through hole 4 b at the center of the bundle. A plurality of brush bristles 4a, 4a,... A ring-shaped heater 3b is provided on the outer periphery of the base of the conical protrusion 3a of the press jig 3, and is formed at the center of a plurality of brush bristles 4a, 4a,. The outer peripheral portion of the through hole 4b is welded in a ring shape as shown in FIG. In this way, a through hole 4b is formed at the center of the plurality of brush bristles 4a, 4a,... Bent radially at a right angle, and a ring-shaped fixing portion 4c is formed at the periphery of the through hole 4b (e The disc-shaped brush 4 as shown in FIG. In addition, you may form the ring-shaped fixing | fixed part 4c by the adhesion part using an adhesive material.
[0009]
Below, the bristle material 1a-1g shown to Fig.2 (a)-(g) is demonstrated. Each of the bristle materials 1a to 1g shown in FIGS. 2 (a) to 2 (g) is constituted by a single wire or a combination of a plurality of wires. The combination of a plurality of lines of brush bristle material is a single line formed by coaxially joining a plurality of lines of brush bristle material, or a single line by bundling multiple lines. Can be configured.
[0010]
The brush bristle material 1a shown in FIG. 2 (a) is formed of a linear body 12 in which diamond abrasive grains 10 and polishing abrasive grains 11 are mixed in a linear single wire. The brush bristle material 1b shown in FIG. 2B is formed of a pipe-like body 14 in which diamond abrasive grains 10 and metal abrasive grains 13 are mixed in a pipe-like single wire having pipe holes 33.
[0011]
The brush bristle material 1c shown in FIG. 2 (c) has a linear body (linear shape) made of another bristle material in a pipe hole of a pipe-like body 15 in which diamond abrasive grains 10 are mixed into a pipe-like single wire. (Single wire) 16 is formed.
[0012]
A brush bristle material 1d shown in FIG. 2 (d) is formed by grasping a plurality of linear bodies 17 and winding a linear body 18 made of another brush bristle material around the outer periphery to mix two or more kinds of hairs. . In this case, the metal abrasive grains 13 may be mixed into the linear body 17.
[0013]
The bristle material 1e shown in FIG. 2 (e) is formed in a rod shape by winding a mesh sheet 19 formed of fibers.
[0014]
The bristle material 1f shown in FIG. 2 (f) is formed in a thick line shape by twisting thin brush bristle materials 20 together. In this case, the thin brush bristle material 20 may be mixed with one kind or two or more kinds of diamond abrasive grains, polishing abrasive grains, and metal abrasive grains.
[0015]
A brush bristle material 1g shown in FIG. 2 (g) is formed into a thick line by twisting nano-wire brush bristle material 8 together. In this case, one type or two or more types of diamond abrasive grains, polishing abrasive grains, and metal abrasive grains may be mixed in the bristle material 1g.
[0016]
The brush bristle material in FIG. 2 (a) and the pipe-like brush bristle material in FIGS. 2 (b) and 2 (c) have been described with respect to the round shape 21 shown in FIG. As shown in FIG. 3, the cross-sectional shape of the brush-like brush-like material or the pipe-like brush-like material is a polygon such as a triangle 22, a square 23, a hexagon 24, an octagon 25, an ellipse 26, a cross 27, Such as glasses 28 and four-leaf clover 29 (or a three-leaf clover not shown) may be used. 3 shows a linear brush bristle material, but in the case of a pipe-like brush bristle material, the pipe hole 33 is formed at the center of each of the various cross-sectional shapes in FIG. Since the drawing in which the provided pipe hole 33 is omitted is similar to FIG. 3, the drawing of the cross-sectional shape of the brush-like material of the pipe-like body is omitted.
[0017]
Further, the brush bristle material in FIG. 2 (a) and the pipe-like brush bristle material in FIG. 2 (b) have been described with the same cross-sectional shape up to both ends. As shown in FIG. 4 (a), the pipe-shaped brush bristle material is a brush bristle material 31 formed only at one end in a sphere having a larger diameter than the other part, or as shown in FIG. 4 (b). Alternatively, the bristle material 32 may be formed in a sphere having a diameter larger than that of the other part at both ends.
[0018]
Further, the linear brush bristle material and the pipe-like brush bristle material are brush bristle materials 41 and 42 in which one end or both ends are formed in a cracked shape as shown in FIGS. 5 (a) and 5 (b). Also good. Further, the linear brush bristle material or the pipe-like brush bristle material may be the bristle material 51, 52 having one end or both ends tapered as shown in FIGS. 6 (a) and 6 (b). good.
[0019]
The brush bristle material described in FIGS. 2A to 2G, FIGS. 4A and 4B, FIGS. 5A and 5B, and FIGS. 6A and 6B will be described. As the bristle material, a resin bristle material (nylon, vinyl chloride, polyethylene, polyvinyl chloride, polyamide, polystyrene, polycarbonate, polypropylene) or the like can be applied.
[0020]
Below, the brush product formed with the bristle material is demonstrated. FIG. 7A is a diagram in which a plurality of disk-shaped brushes 71 formed of a brush bristle material 71a formed by combining one or more of the various bristle materials of FIGS. 2A to 2G are stacked. The disc-type brush group 72 is overlapped so that the holes 71b, 71b,... Of the disc-type brushes 71, 71,.
[0021]
7B shows a shank 74 formed by coaxially fixing the holes 71b, 71b,... Of the disc-shaped brush group 72 to one end side of the shaft 73. FIG. FIG. 7C shows a wheel brush 76 in which the holes 71b, 71b,... FIG. 7D shows a roll brush 78 formed by continuously attaching holes 71b, 71b,... Of a plurality of disc-shaped brush groups 72, 72,. FIG. 7E shows a shank 80 formed by coaxially fixing the holes 71b, 71b,... Of a plurality of disc-shaped brush groups 72, 72,.
[0022]
Next, any one of the bristle materials having a shape obtained by deforming the ends of the bristle materials of FIGS. 1A and 1B described with reference to FIGS. 4 to 6 can be used alone, or FIG. FIGS. 8A to 8D show brush products formed by using a plurality of disc-shaped brushes formed by combining the brush bristle material of FIGS. 2A and 2B with the various bristle materials of FIGS. ) Will be described.
[0023]
8A shows the holes 81b, 81b,... Of the plurality of disc-shaped brushes 81, 81,... Formed by the brush bristle material 31 (or the brush bristle material 32 folded in half) of FIG. This is a shank 84 that is coaxially fixed to one end of the shaft 83. In this case, a plurality of disk-shaped brushes 82 are formed by overlapping a plurality of disk-shaped brushes 81 so that the holes 81b, 81b,... Of each disk-shaped brush 81, 81,. May be.
[0024]
FIG. 8B shows a combination of a brush bristle material 71a obtained by combining one or more of the various bristle materials of FIGS. 2A to 2G with the brush bristle material of FIG. 4A. This is a shank 88 formed by using a plurality of disk-shaped brushes 85 formed and fixed to one end side of the shaft 83 with the same phase in the same axis.
[0025]
FIG. 8 (c) shows the use of a plurality of disc-shaped brushes 86 formed by combining the bristle material 71a with the bristle material of FIG. 4 (a), coaxially on one end side of the shaft 83, and odd and even numbers. , And the shank 89 is formed by fixing the odd-numbered and even-numbered phases to be fixed.
[0026]
FIG. 8D shows a case where a plurality of disk-shaped brushes 87 formed by combining the bristle material 71a with the brush bristle material of FIG. The shank 90 is formed.
[0027]
FIGS. 9A to 9D are shanks 91, 92, 93, 94 formed by attaching other brushes, grindstones or polishing materials used for polishing or grinding to the tip of the shank 80 of FIG. 7E. is there. The shank 91 is formed by attaching a twisting brush 95 coaxially to the tip of the shank 80. The shank 92 is formed by attaching a bullet-shaped grindstone 96 coaxially to the tip of the shank 80. The shank 93 is formed by attaching a cylindrical grindstone 97 coaxially to the tip of the shank 80. The shank 94 is formed by coaxially attaching a cylindrical abrasive material 98 to the tip of the shank 80. The abrasive material 98 is made of a resin brush material with diamond abrasive grains, abrasive abrasive grains, and metal abrasive grains. One type or two or more types are mixed and both ends are opened to form a cylindrical shape.
[0028]
FIG. 10 shows a continuous arrangement of holes 81b, 81b,... Of a plurality of disc-shaped brushes 81, 81,... Formed with the brush bristle material 31 (or the brush bristle material 32 folded in half) of FIG. The roll brush 101 is formed by attaching fixed washers 102, 102.
[0029]
FIG. 11 shows a brush product 106 in which disk-shaped brush groups 72, 72,... Are formed coaxially between a plurality of brushes 104, 105 having a brush 103 at the tip, and fixed washers 102, 102 are attached. In this case, the drawing shows an example in which twisted brushes are used as the brushes 104 and 105, but the brushes 104 and 105 may be formed by appropriately using a grindstone, a buff, a polishing material, or the like.
[0030]
FIG. 12 shows a toothbrush 110 formed by rotatably attaching a disk-shaped brush group 72 to the tip of an arm 108 that is foldably attached to one end of a handle 107 at a root portion.
[0031]
In this way, the disk-shaped brush manufacturing method described above is configured such that a plurality of brush bristle materials bundled at one end are axially biased to form a through hole at the center of the bundle, and are bent at a substantially right angle so as to radiate. They can be easily manufactured simply by arranging them and fixing the peripheral edges of the through holes. Since the disc-shaped brush can be formed in a small size, various brush products can be manufactured in a small size using the disc-shaped brush.
[0032]
【The invention's effect】
As described above, the disk-shaped brush manufacturing method of the present invention is configured by bending a plurality of brush bristle materials bundled at one end in the axial direction to form a through hole at the center of the bundle, and bending it at a substantially right angle to form a radial shape. arranged in, easily produce disk-shaped brush periphery of the through-holes simply by forming a soluble wear to ring-shaped fixing portion in a ring shape, yet can be formed compact.
[Brief description of the drawings]
FIGS. 1A to 1E are schematic views for explaining a method of manufacturing a disk-type brush according to the present invention.
FIGS. 2A to 2G are perspective views showing an example of a bristle material constituting the disc-shaped brush of FIG.
FIG. 3 is a schematic view showing a cross-section of the bristle material of FIG.
4A is a schematic diagram showing a first example of an end shape of the bristle material of FIG. 2A. FIG.
(B) is the schematic which shows the 2nd example of the edge part shape of the bristle material of Fig.2 (a).
FIG. 5A is a schematic view showing a third example of the end shape of the bristle material of FIG. 2A.
(B) is the schematic which shows the 4th example of the edge part shape of Fig.2 (a) brush bristle material.
6A is a schematic diagram showing a fifth example of the end shape of the brush bristle material in FIG. 2A. FIG.
(B) is the schematic which shows the 6th example of the edge part shape of Fig.2 (a) brush bristle material.
7A is a perspective view of a disk-shaped brush group formed of the brush bristle material of FIG. 2. FIG.
(B) is a perspective view of the shank formed with the disk-shaped brush group of FIG. 7 (a).
(C) is a perspective view of a wheel brush formed by the disc-shaped brush group of FIG. 7 (a).
FIG. 8D is a perspective view of a roll brush formed by a plurality of disk-shaped brush groups in FIG.
FIG. 8E is a perspective view of a shank formed by a plurality of disk-shaped brush groups in FIG.
8A is a perspective view of a shank formed by a plurality of disk-shaped brushes formed from the bristle material of FIG. 4A. FIG.
(B)-(d) is a perspective view of the shank formed using the disc-shaped brush formed by combining the bristle material of FIG. 2 with the bristle material of FIG. 4 (a).
9A to 9C are front views of a shank formed by attaching another brush, a grindstone, or an abrasive material to the tip of the shank 80 of FIG. 7E; FIG. 9D is a perspective view. It is.
10 is a perspective view of a roll brush formed by a plurality of disc-shaped brushes formed from the bristle material of FIG. 4 (a). FIG.
FIG. 11 is a front view of a brush product formed by attaching the disk-shaped brush group of FIG. 7A coaxially between a plurality of stages of twisted brushes.
12 is a perspective view of a toothbrush formed using the disk-shaped brush group of FIG. 7 (a). FIG.
[Explanation of symbols]
1, 1a, 1b, 1c, 1d, 1e, 1f, 1g, 31, 32, 41, 42, 51, 52, 71a Brush bristle material 2 Base 2a Flat plate 2b Leg 2c Hole 3 Press jig 3a Protrusion 3b Ring heater 4, 81, 85, 86, 87 Disc-shaped brush 4b Through-hole 4a Brush bristles 4c Adhering portion 8 Nanowire brush bristle material 10 Diamond abrasive grains 11 Abrasive grains 12, 16, 17, 18 Linear body 13 Metal abrasive grains 14, 15 Pipe-shaped body 19 Mesh sheet 20 Thin brush bristle material 21 Round 22 Triangle 23 Square 24 Hexagon 25 Octagon 26 Oval 27 Cross 28 Glasses 29 Clover 33 Pipe hole 71 Disc brush 71b, 81b Disc Shaped brush holes 72, 82 Disc shaped brush groups 73, 77, 79, 83 Shafts 74, 80, 84, 88, 89, 90, 9 1, 92, 93, 94 Shank 75 Bearing plate 76 Wheel brush 78, 101 Roll brush 95 Torsion brush 96, 97 Grinding stone 98 Abrasive material 102 Fixed washer 103, 104, 105 Brush 106 Brush product 107 Handle 108 Arm 110 Toothbrush B Brush hair Bunch of material

Claims (1)

A bundle of a plurality of bristle materials is inserted into the hole of the pedestal having a hole in the center and is brought upright in a state of being bundled at one end, and the pedestal is used as a press jig on the die side, and the tip has a conical shape. While forming a through hole at the center of the bundle by urging the bundle of the bristle material in the axial direction with a pressing jig on the punch side provided with a protrusion at the center and a ring-shaped heater at the outer periphery of the base of the protrusion The plurality of brush bristle materials are bent at a substantially right angle and radially arranged, and the outer periphery of the through hole is welded in a ring shape by the ring heater to produce a disc-shaped brush having a ring-shaped fixing portion. A method of manufacturing a disk-type brush characterized by the above.

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