JPH08521U - Polishing tool - Google Patents

Abstract

(57) [Abstract] (Correction) [PROBLEMS] A polishing tool used for polishing an automobile body or the like, when a pad 2 having a small diameter and a polishing member 3 having a large diameter different from each other are joined via a surface fastener. , So that the centers of the pads may be exactly aligned with each other, and the pad may be used in combination with other abrasives. SOLUTION: The polishing tool is mounted on a drive shaft of a polishing machine, and has a small diameter pad 2 having a polishing material mounting surface 5 formed in a flat shape, and a large diameter polishing member 3, and a pad via a surface fastener. An attachment surface of the concave shape 6 into which the diameter of the pad is fitted is provided at the joining portion of the polishing member that can be joined.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a polishing tool used for polishing an automobile body or the like.

[0002]

[Prior art]

 In the past, the surface of the pad to which the abrasive was attached was usually flat when peeling paint using an electric or air-driven polisher and polishing putty. Then, with a polishing member consisting of a large diameter sponge body attached to this polishing material attachment surface via a hook-and-loop fastener, polishing work such as adjusting the coating surface of the coating surface and polishing was performed. However, the polishing member was frequently replaced for each process, for example, while the one with excellent grinding power was used to adjust the coating surface and the one with fine texture was used in the polishing work.

[0003]

[Problems to be solved by the device]

 When a small-diameter pad and a large-diameter polishing member are attached to each other, the mounting surface on the large-diameter polishing member side should be adjusted so that the centers of both pads are accurately aligned so that runout does not occur when they are rotated. A hook-and-loop fastener with the same diameter as the pad was also provided, and a circle was drawn to align the centers. However, with these methods, it was not possible to leave the center accurately, and it slipped during use and fell off, which was dangerous. The problem to be solved by the present invention is to accurately align the centers of a small-diameter pad and a large-diameter polishing member having a different diameter when they are joined via a surface fastener. The point is that it can be used together with other abrasives.

[0004]

[Means for Solving the Problems]

 The polishing tool according to the present invention is mounted on a drive shaft of a polishing machine, and has a small-diameter pad having a flat abrasive-material mounting surface and a large-diameter polishing member, and the pad and the pad via a surface fastener. Although a concave attaching surface into which the diameter of the pad is fitted is provided in the connecting portion of the polishing member that can be connected, the method of operating the drive shaft is not particularly limited. The pad is generally circular or square, but may have other shapes. The material is not limited, and may be made of, for example, resin, rubber, or metal such as aluminum or leaf spring, and these may be provided alone or with a cushioning material such as sponge if necessary. The abrasive member is not limited to a sponge body, and examples thereof include abrasive cloth paper, fiber disc, wool buff, grindstone, felt, non-woven fabric or sponge having abrasive grains attached thereto, and rubber having abrasiveness. , Other than this may be used. The concave attachment surface may be formed with an indentation in the polishing member, or an annular side wall may be projected on the surface of the polishing member. The surface fastener provided on the polishing member may be directly bonded to the polishing member, but other members may be used as long as the size does not exceed the diameter of the pad.

[0005]

[Action]

 In the polishing tool according to the present invention, a pad mounted on a drive shaft of a polishing machine is fitted to a concave attachment surface formed on a polishing member, and the A surface and B surface of a surface fastener are connected to each other for use. . Since the entire diameter of the pad fits snugly in the recess, the center coincidence point does not change at all. The so-called magic-type hook-and-loop fastener, due to its structure, caused bending due to the length of the fur, but when it is rotated, the pad will appear like a screw in the concave shape, and the hook-and-loop fastener A surface. Firmly bonds deeply to the B side of the surface fastener of the polishing member to prevent lateral slippage peculiar to the surface fastener. Therefore, it is possible to prevent falling and scattering due to runout. Further, conventionally, the peripheral portion of the pad was exposed when the pad and the polishing member were joined together. Therefore, in the case of a flexible polishing member such as a sponge body, it was easy to scratch the surface to be polished at the edge portion of the pad. However, since the peripheral edge of the pad of the present invention is covered with the concave portion, even the surface to be polished having a complicated shape is not scratched. Also, since the polishing material mounting surface of the pad is formed in a flat shape, it is possible to use another polishing material or the like as it is without changing the pad even if the work process changes.

[0006]

Embodiment 1 Embodiment 1 of the present invention will be described with reference to FIGS. FIG. 1 is a perspective view showing a small-diameter pad 2 mounted on a polishing machine 1 and a large-diameter polishing member 3 coupled to the pad 2. FIG. 2 is an operation explanatory view showing a part of the joint portion when the pad 2 and the polishing member 3 are joined, which is cut away. The pad 2 is attached to a drive shaft (not shown) of the polishing machine 1, and a surface fastener B surface and a pair of surface fastener A surfaces 4 to be described later are adhered to the surface thereof, and a flat abrasive material mounting surface 5 is provided. ing. The well-known so-called magic type polishing paper, buffs with cushion pads, etc. can be mounted here. Reference numeral 3 denotes a sponge-shaped polishing member made of polyurethane and formed in a disk shape having a diameter larger than that of the pad 2. An upper surface of the polishing member 3 is integrally formed with a recess 6 having a different diameter from the center. The bottom wall is provided with an attachment surface to which the surface fastener B side 7 is adhered. The recessed portion 6 is provided in such a size that the pad 2 can be fitted therein and can be easily removed. Reference numeral 8 is a central hole for allowing the polishing slag generated during polishing to escape.

Embodiment 2 Embodiment 2 of the present invention will be described with reference to FIG. In FIG. 3, an annular side wall 10 having a diameter different from the center is formed on the upper surface of a disk-shaped large-diameter polishing member 9, and a pad 13 is fitted inside the side wall 10 with surface fasteners 11 and 12. It shows the thing. The side wall 10 is made of plastic in an annular shape and is attached with an adhesive. However, if it is made of plastic, a softer one rather than a harder one is used as a polishing member when it is dissociated from the pad. It is good because it is easy to warp. Therefore, it may be made of flexible rubber or the like. Further, some kind of viscous liquid may be used as it is, but it may be formed by mixing with powder or the like and three-dimensionally applying it in a band shape and curing it to an appropriate hardness. Besides, it may be provided by some method regardless of the material. Further, the side walls 10 need not be strip-shaped and may be provided at equal intervals. In addition to the above, the present invention may include various shaped pads, concave deformations, polishing member types, and the like, all of which are included in the present invention.

[0008]

[Effect of device]

 According to the polishing tool of the present invention, the polishing member can be instantly and concentrically arranged with respect to the pad, so that the working efficiency is improved, and it is safe because it does not fall off and scatter due to runout during use. Since the pad is covered on the periphery, there is no risk of scratching the surface to be polished. Furthermore, since the polishing material mounting surface of the pad is flat, it can be conveniently used in combination with other polishing materials.

[0009]

[Brief description of drawings]

FIG. 1 is a perspective view showing the structure and operation of the first embodiment.

FIG. 2 is an explanatory view of the same operation of the first embodiment.

FIG. 3 is an operation explanatory view showing the second embodiment.

[Explanation of symbols]

 2 Pad 5 Abrasive mounting surface 6 Recess 10 Side wall

Claims (1)

[Scope of utility model registration request] 1. A small-diameter pad, which is mounted on a drive shaft of a polishing machine and has an abrasive-material mounting surface formed in a flat surface, and a large-diameter polishing member, can be joined to the pad via a surface fastener. A polishing tool characterized in that a concave attachment surface into which the diameter of the pad is fitted is provided at the connecting portion of the polishing member.