JP3052640U - Round polishing tool - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To enable polishing by a round polishing tool having a curved surface substantially corresponding to the shape and curvature of a polishing portion. SOLUTION: A plurality of pipes 2 having a diameter of 10 mm to 30 mm are provided, and a sander paper 3 is bonded to an outer periphery of each of the pipes 2 to constitute a round polishing tool 1. Then, the optimum diameter of the pipe 2 is selected and polished according to the shape and curvature of the portion to be polished.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a round polishing tool for polishing a curved portion or the like.

[0002]

[Prior art]

 2. Description of the Related Art Sandpaper (sandpaper) used for finishing a surface of a woodwork product or deburring a cut metal plate has been known. Such sandpaper is, for example, a powder of gold sand or glass adhered to paper, cloth, or the like.Since the main body of the sandpaper is made of flexible paper, cloth, or the like, When polishing, it can be deformed along the shape of the part to be polished, but when polishing a round hole or a rounded notch in a woodwork product, there is no core material to serve as a guide, so polishing is required. difficult. For this reason, sandpaper has conventionally been wound around disposable chopsticks or rod-shaped cores. However, for example, in wood carvings such as furniture, the portion to be polished is not a fixed curvature, but has a complicated shape combining curved portions with different curvatures, and has various sizes of curved portions. If the curvature of the portion to be polished is smaller than the curvature of the core material, or if the curvature of the portion to be polished is much larger than the curvature of the polished core material, it is extremely difficult to grind and the workability is poor. Met.

An object of the present invention is to solve such a problem, and an object of the present invention is to provide a round-shaped polishing tool that can easily polish even if the portion to be polished has a different curvature.

[0004]

[Means for Solving the Problems]

 According to the first aspect of the present invention, a plurality of core materials having different diameters are provided, and a flexible abrasive is provided on the outer periphery of the core material. For this reason, it becomes possible to select the optimal core material diameter according to the shape and curvature of the portion to be polished out of a plurality of core materials, and to perform polishing efficiently.

A second aspect of the present invention is the round abrasive tool according to the first aspect, wherein the abrasive is sandpaper, and the sandpaper is bonded and fixed to an outer periphery of the core material. For this reason, the structure of the round polishing tool is simple, and the manufacturing cost can be reduced.

According to a third aspect of the present invention, there is provided the round polishing tool according to the first or second aspect, wherein the core has a diameter of 10 mm to 30 mm. For this reason, it is possible to easily grind a relatively large curved portion from a small curved portion, and it is easy to grasp when grinding by setting the diameter of the pipe to a maximum of 30 mm.

[0007]

[Embodiment of the invention]

 Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. 1 to 5 show an embodiment of the present invention, in which a round polishing tool 1 is constituted by bonding a sandpaper 3 to an outer periphery of a hollow pipe 2 made of, for example, vinyl chloride as a core material. Have been. The pipe 2 has a diameter within a range of 10 mm to 30 mm and a length of 150 mm to 300 mm. In this embodiment, the pipe 2 sequentially increases in diameter within a range of 10 mm to 30 mm at intervals of 5 mm. Five pipes 2 are provided, and sandpaper 3 is bonded to the outer periphery of each pipe 2. The length of the pipe 2 is 250 mm. According to the curvature of the portion to be polished, the pipe 2 is selected to have the curvature closest to the curvature, and the round polishing tool 1 is used to finish the curved surface of furniture 4 such as a chair shown in FIG. Curved surface of a woodwork 7 having a round hole 5 and an elliptical cutout 6 as shown in FIG. 5, or deburring of a metal plate 8 shown in FIG. 4 and polishing of a knife 9 such as a kitchen knife and scissors shown in FIG. Used for As described above, a plurality of pipes 2 having different diameters within the range of 10 mm to 30 mm are provided, and the round polishing tool 1 to which the sandpaper 3 is adhered is provided on the outer periphery of each pipe 2 so that the curved portion to be polished is provided. If a round-shaped polishing tool 1 having a curvature closest to the curvature is selected, curved portions having different diameters can be easily polished. In addition, since the sandpaper 3 is bonded and fixed to the pipe 2, the sandpaper 3 does not peel off from the pipe 2 during polishing.

As described above, in this embodiment, a plurality of core pipes 2 having different diameters are provided, and the sandpaper 3 is adhered to the outer periphery of the pipes 2 so that curved portions having different curvatures are polished. At this time, since the polishing can be performed with the round polishing tool 1 substantially corresponding to the curvature, the curved surface can be easily finished. In addition, by using the pipe 2 as the core material and bonding the sandpaper 3 to the pipe 2 to form the round polishing tool 1, the structure is simple and the production cost can be reduced. Further, by setting the diameter of the pipe 2 to be in the range of 10 mm to 30 mm, various kinds of deburring of furniture 4 such as a chair, a woodwork 7 or a metal plate 8 or polishing and cutting of various cutting tools 9 such as kitchen knives and scissors can be performed. Can be used for polishing. Further, by setting the maximum diameter of the pipe 2 to 30 mm, it is easy to grasp when polishing.

As described above, one embodiment of the present invention has been described in detail. However, the present invention is not limited to the above embodiments, and various modifications can be made within the scope of the present invention. For example, the case where a hollow pipe is used as the core material has been described, but the core material may be constituted by a solid rod material. Further, the material of the pipe is not limited to that made of vinyl chloride, but may be metal, wood, or the like.

[0010]

[Effect of the invention]

 According to the invention of claim 1, a plurality of core materials having different diameters are provided, and a flexible abrasive is provided on the outer periphery of the core material. Therefore, when polishing curved portions having different curvatures, The curved portion can be easily polished because it can be polished with a round polishing tool substantially corresponding to the curvature.

According to a second aspect of the present invention, in the round polishing tool according to the first aspect, the abrasive is sandpaper, and the sandpaper is bonded and fixed to an outer periphery of the core material. Therefore, the structure is simple and the manufacturing cost can be reduced.

According to the third aspect of the present invention, in the round polishing tool according to the first or second aspect, since the core material is a pipe having a diameter of 10 mm to 30 mm, curved portions having different curvatures can be easily polished. can do.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is a perspective view showing a state in which furniture is being polished.

FIG. 3 is a perspective view showing a state in which the curved portion is being polished.

FIG. 4 is a perspective view showing a state in which the metal plate is being polished.

FIG. 5 is a perspective view showing a state in which the blade is polished.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Round abrasive tool 2 Pipe (core material) 3 Sandpaper (abrasive material)

Claims (3)

[Utility model registration claims] 1. A round-shaped polishing tool comprising a plurality of cores having different diameters, and a flexible abrasive provided on an outer periphery of the cores. 2. The round polishing tool according to claim 1, wherein the abrasive is sandpaper, and the sandpaper is bonded and fixed to an outer periphery of the core. 3. The pipe according to claim 1, wherein the core is a pipe having a diameter of 10 mm to 30 mm.
The round polishing tool as described.