JP4568224B2 - Twist brush - Google Patents

Description

  The present invention relates to a twist brush.

Conventionally, a twist brush having a plurality of twist brush portions is known. For example, it has a shank part, a twist brush part, a bundling part and a flat brush part at the tip, and twists the metal wire by sandwiching short brush hairs orthogonally between a plurality of metal wires. The bundling portion is configured by bundling a plurality of brush bristles constituting a flat brush portion with a wire, and forming a plurality of bristles bundling the flat brush portion by a bundling portion into a disk shape, A twisting brush having a configuration in which the center is fixed with an adhesive and retained is known.
JP-A-7-285056

  This type of twisted brush is manufactured by arranging a brush material between a plurality of metal wires, and twisting the metal wire to fix the brush material between the metal wires and sequentially forming a plurality of twisted brush portions. is doing.

  In a torsion brush having a plurality of torsion brush portions, it may be desired to form various types of torsion brush portions by incorporating several types of brush materials. Since the wire is a common metal wire that clamps and fixes the brush material of each twist brush portion, and the type and number of brush materials constituting the twist brush portion are also limited, improvement has been desired.

The present invention has been proposed to solve the above-described problems, and provides a twist brush in which the form of the metal wire that is the central axis of the twist brush is changed according to the type of brush material of each twist brush portion. With the goal.

In order to achieve the above object, the invention according to claim 1 is characterized in that one metal wire is bent and the metal wire portions are arranged in parallel, and the metal wire portion at the first parallel portion in a predetermined range of the parallel metal wire portions. A plurality of first brush materials are mounted so as to be orthogonal to each other, and the first parallel brush portion is formed by twisting the first parallel portion, and the first twist brush portion is annular and both ends And the first twisted brush part is formed into an annular shape, and the metal wire parts protruding from both ends of the first twisted brush part are formed to have a second parallel part, and the second parallel part. The second brush material is a twisted brush provided with a second twisted brush portion that is mounted so that a plurality of second brush materials are orthogonal to each other and the second parallel portion is twisted .

  The twisting brush of the present invention includes a plurality of twisting brush portions, but the number of metal wire portions that are the central axis of the twisting brush portion can be easily changed by bending the metal wire.

Reference examples will be described below with reference to the drawings. As a brush raw material demonstrated in the following reference examples , any 1 type, or 2 or more types, such as a synthetic resin wire, a metal wire, a biodegradable wire, a vegetable fiber, and an animal fiber can be mixed and used. Examples of the synthetic resin wire used for the brush material include nylon, vinyl chloride, polypropylene, and biodegradable plastic wire. Metal wires used for the brush material include stainless steel, piano wire, iron wire, and copper. Lines, etc. are used as plant fibers, such as pakin, palm, etc., and as animal fibers, pig materials, horse materials, cocoon materials, etc. are used.

  These brush materials can also be used with abrasive grains mixed therein. Examples of the abrasive grains include metal powder such as stainless powder, gold powder, and titanium powder, diamond powder, ceramic powder, inorganic powder, and the like, and any one or more of these are synthetic resin or metal brush. It is mixed in the material.

FIG. 1A is a perspective view of a twisted brush of a reference example , and FIG. 1B is a perspective view of the bent metal wire of FIG. 1A and a brush material before being twisted.

  1 (a) and 1 (b), the twisting brush 10 has a metal wire 1 bent and has two parallel portions 2a and four parallel portions 2b in which the number of the metal wire portions 1a arranged in parallel is two. The formed metal wire 2, the first brush material 3a, and the second brush material 3b longer than the first brush material 3a are formed.

  In order to manufacture the twisting brush 10, first, in the parallel portion 2a where two metal wire portions 1a on the tip side are arranged in parallel, each metal is orthogonal to the metal wire portions 1a where the plurality of first brush materials 3a are arranged in parallel. It arrange | positions between the line parts 1a. Next, in the parallel portion 2b where the four metal wire portions 1a on the base side are arranged in parallel, a plurality of second brush materials 3b are arranged between the metal wire portions 1a on the back side so as to be orthogonal to the metal wire portions 1a. . Then, in the state shown in FIG. 1B, one end on the base side where four metal wire portions 1a of the formed metal wire 2 are arranged in parallel is attached to a rotation-side clamping mechanism (not shown), and a plurality of the formed metal wires 2 The pinching mechanism is rotated and twisted while fixing the position a1 of the end where the second brush material 3b is disposed. Thereby, the handle 3 bundled integrally from one end of the formed metal wire 2 to the middle position a1 is twisted. And the metal wire part 1a is shape | molded in the state arrange | positioned short in parallel at the front-end | tip of the handle 3, and the metal wire part 1a is shape | molded long in the state arrange | positioned in parallel at the front-end | tip. ing.

  Next, in the formed metal wire 2, the position a <b> 2 where the number of the metal wire portions 1 a arranged in parallel is changed from four to two is fixed, and the four metal wire portions 1 a are arranged in parallel. The longer second brush material 3b is formed at the tip of the handle 3 by spirally twisting the parallel portion 2b of the metal wire portion 1a on the base side where the second brush material 3b is disposed between the metal wire portions 1a. Are arranged in a spiral shape to form a short-axis twisted brush portion 4. Then, the tips of the formed metal wires 2 are bundled and attached to a fixed-side clamping mechanism (not shown), and the formed metal wires 2 are twisted in a spiral shape so that a plurality of first brush materials 3a are arranged in a spiral shape to make a long axis The twisting brush part 5 is formed to complete the twisting brush 10.

FIG. 2 is a schematic view of a twisted brush before twisting a metal wire and a brush material according to the first embodiment of the present invention.

  In FIG. 2, the twisting brush 11 first bends the metal wire 1 in half. Then, a plurality of first brush materials 3a are mounted between the metal wire portions 1a so as to be orthogonal to the parallel portions 12a of the predetermined range of the metal wire portions 1a that are bent in half and parallel to the two wires. Then, one end a4 of the parallel portion 12a in a state where the first brush material 3a is mounted is attached to a rotation-side holding mechanism (not shown), and the holding mechanism is rotated while the other end a5 of the parallel portion 12a is fixed. The first twisted brush portion 13 is formed by twisting the portion 12a in a spiral shape.

Next, the first twisting brush part 13 is formed in an annular shape , both ends a4 and a5 of the first twisting brush part 13 are matched, the annular first twisting brush part 13 is formed at the tip, and both ends a4 and a4 are formed. The formed metal wire is formed such that each of the two metal wire portions 1a protruding from a5 has a parallel portion 12 in which the metal wire portions 1a are arranged in parallel.

Then, mounted between the two metal wire part of the 1a plurality of the predetermined range of parallel positions 12 between the second brush material 3b so as to be perpendicular to each metal line portion 1a, the base side of the parallel positions 12 The end a6 is attached to the rotation-side clamping mechanism, and the clamping mechanism is rotated and twisted while fixing the other end a7 of the parallel portion 12 where the second brush material 3b is not attached. Thereby, although not shown, the handle bundled integrally is twisted and formed up to a position a7 in the middle of the base side of the formed metal wire.

Next, the clamping mechanism is rotated while fixing both ends a4 and a5 of the first twisted brush portion 13 at the boundary between the annularly formed first twisted brush portion 13 and the parallel portion 12 between the two metal wire portions 1a. Then, by twisting the parallel portions of the metal wire portions 1a to which the second brush material 3b is attached in a spiral manner, the second twisted brush portion 14 is formed and the twisted brush 11 is completed.

(A) is a perspective view of the twist brush which concerns on a reference example , (b) is a perspective view before twisting the metal wire and brush material of (a) bent. It is the schematic before twisting the metal wire and brush material which were bent of the twist brush which concerns on Example 1 of this invention.

1 Metal wire 1a Metal wire part
2 Formed metal wires 2a, 2b, 12a, 12 parallel locations
3 Handle 3a 1st brush material 3b 2nd brush material 4 Short shaft twist brush portion 5 Long shaft twist brush portion 10, 11 Twist brush 13 First twist brush portion 14 Second twist brush portion

Claims (1)

One metal wire is bent so that the metal wire portions are arranged in parallel, and a plurality of first brush materials are orthogonal to each other between the metal wire portions of the first parallel portion in a predetermined range of the parallel metal wire portions. A first twisted brush portion that is mounted and formed by twisting the first parallel portion, and the first twisted brush portion is annularly formed and both ends thereof are matched to form the first twisted brush portion annularly. The metal wire portions projecting from both ends of the first twisted brush portion are formed so as to have a second parallel portion, and a plurality of second brush materials are mounted so as to be orthogonal to the second parallel portion. And a second twisting brush portion formed by twisting the second parallel portion.

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