JPH0653060U - Polishing tool - Google Patents

Abstract

(57) [Summary] [Purpose] Prevents sagging of the corners of the work piece and polishing of the part to be polished , and also eliminates clogging of the pieces of abrasive cloth
Continues polishing power. [Structure] A plurality of abrasive cloth paper pieces 2 are mounted on the wheel substrate 1.
The polishing material 3 provided integrally in a laminated manner is adhered and fixed at a required interval in the front-rear direction of the wheel substrate so as to eliminate cornering of the workpiece and polishing of the portion to be polished.
In addition , it prevents clogging of abrasive cloth paper pieces and keeps polishing power.
It

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 This invention relates to a polishing tool of a type in which an abrasive is adhered to the surface of a disk.

[0002]

[Prior art]

 Conventionally, as a polishing tool in which a disk and an abrasive are combined, there is one disclosed in Japanese Utility Model Publication No. 1-127273.

In this device, a large number of polishing pieces having abrasive grains adhered to the surface of a sheet material are radially arranged and adhered to a base (disk).

The polishing tool configured as described above is attached to a rotary shaft of a hand grinder, and while being rotated, a polishing piece is pressed against a workpiece, and polishing is performed while maintaining the pressed state.

[0005]

[Problems to be solved by the device]

 With the above-mentioned polishing tools, a restoring force is generated on the polishing pieces that fall in the direction of rotation of the disk during polishing.Therefore, at the corners of the work piece, the polishing pieces just before passing through are subject to the restoring force. It is strongly pressed against the corner. Therefore, there was a problem that the corner was dull.

[0006] Furthermore, since the fine grinding powder and the polishing particles separated from the polishing pieces during polishing enter between the subsequent polishing piece and the work piece and there is no escape area, clogging of the polishing pieces occurs. Therefore, there is a problem that the polishing efficiency is significantly reduced.

Therefore, an object of the present invention is to provide a polishing tool that prevents sagging at a corner and prevents polishing efficiency from decreasing.

[0008]

[Means for Solving the Problems]

 In order to solve the above problems, the present invention provides a polishing tool in which a piece of abrasive cloth paper is adhered and fixed onto a wheel substrate, and an abrasive material for the piece of abrasive cloth paper is required on the wheel substrate before and after the rotation direction of the wheel substrate. It adopts a structure in which the gap is fixed and adhesively fixed.

[0009]

[Action]

 The wheel substrate is attached to the rotary shaft of the hand grinder, the polishing tool is rotated in one direction, and the polishing material is pressed against the workpiece to polish.

Polishing fine powder and abrasive grains separated from the abrasive during the polishing are discharged from a gap between the abrasives before and after the rotation direction.

[0011]

【Example】

 Hereinafter, an embodiment according to the present invention will be described with reference to the accompanying drawings.

As shown in FIGS. 1 and 2, reference numeral 1 denotes a wheel substrate, on the surface of which the abrasive material 3 of a piece of abrasive cloth paper 2 has a predetermined gap before and after the wheel substrate 1 in the rotating direction. It is adhesively fixed.

In the case of the abrasive material 3, a required number of the pieces of abrasive cloth paper 2 are laminated and fixed to each other with an adhesive to form a block, but one piece of the abrasive cloth paper piece 2 is adhesively fixed (not shown). There is also a chance.

The arrangement of the abrasives 3 is carried out by fixing the abrasives 3 with an adhesive 4 along the periphery of the wheel substrate 1 as shown in FIGS. 1 and 3, and by the wheel as shown in FIG. In some cases, the abrasives 3 are arranged radially from the central portion to the peripheral edge of the base plate 1 and are fixed with an adhesive 4. Also, as shown in FIG. If a short abrasive 3 is interposed between the abrasives 3 in the radial direction, the gap between the abrasives 3 before and after the rotation direction can be reduced.

The outer peripheral edge of the abrasive material 3 shown in FIG. 1 has an arc shape that matches the outer peripheral edge of the wheel substrate 1. However, as shown in FIG. 3, it may be a straight line or a block shape. In some cases, one end of the polishing material 3 is adhered and fixed (not shown) so as to protrude from the peripheral edge of the wheel substrate 1, and polishing is performed using the protruding end of the block-shaped polishing material 3.

Further, when the flexible wheel substrate 1 such as a fiber is used, a polishing tool having an extremely high flexibility can be obtained even when the polishing material 3 of one layer or multiple layers is used. If a cloth is interposed (not shown) on the adhesive fixing side of the first abrasive 3, the adhesive force can be significantly increased.

Reference numeral 5 in the drawing denotes a through hole which is provided at the center of the wheel substrate 1 and which penetrates the rotary shaft of the hand grinder.

[0018]

【effect】

 As described above, according to the polishing tool of the present invention, since the polishing material is adhered and fixed on the wheel substrate with a predetermined gap before and after the wheel substrate in the rotating direction, the polishing powder or the polishing cloth paper piece is fixed. The abrasive particles that have separated from are discharged from the gap to the periphery of the wheel substrate. For this reason, it is possible to prevent clogging of the pieces of polishing cloth paper, significantly improve the polishing efficiency, and eliminate sagging or chattering of the corners of the workpiece during polishing.

In addition, when the laminated abrasive material of the abrasive cloth paper piece is used, when the abrasive cloth paper piece of the surface layer is worn out, the abrasive cloth paper piece of the next layer is exposed, so that the life is extended.

[Submission date] July 13, 1992

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] Full text

[Correction method] Change

[Correction content] [Detailed description of the device]

[0001]

[Industrial applications]

 This invention relates to a polishing tool of a type in which an abrasive is adhered to the surface of a disk.

[0002]

[Prior art]

Conventionally, as a polishing tool in which a base (disk) and an abrasive are combined, there is one disclosed in Japanese Utility Model Laid-Open No. 1-114273.

[0003] This material, a large number of coated abrasive piece abrasive particles on the surface of the sheet material is bonded, it is bonded side by side radially in the base (disk). Note that the abrasive cloth paper piece may be fixed at a right angle to the plate surface of the base, or may be tilted and fixed.

[0004] The structured abrasive tool is attached to a rotating shaft of the hand grinder and while rotating along with pressing the coated abrasive piece to the workpiece, the state maintaining Shinano pressing is polished al.

[0005]

[Problems to be solved by the device]

According to the grinding tool as described above, since the returning force to the coated abrasive piece fallen in the rotational direction of the disk with the abrasive is Okoshisei, in the corner portion of the workpiece, the coated abrasive piece just before passing Is strongly pressed against the corner due to the restoring force. Therefore, there was a problem that the corner was dull.

Further, even when grinding a bead of weld, also pressed the polishing cloth paper to be welded portion by restoring force acting on the abrasive cloth paper as described above, a problem of grinding the welded portion there were.

Further , since the fine abrasive powder and the abrasive particles separated from the abrasive cloth paper piece accompanying the polishing enter the space between the subsequent abrasive piece and the work piece and there is no escape area, clogging of the abrasive cloth paper piece occurs. To do. Therefore, there is a problem that the polishing efficiency is significantly reduced.

Therefore, an object of the present invention is to prevent sagging at the corner , or to prevent polishing of the portion to be polished from the boundary between the polishing portion and the portion to be polished, and to prevent the polishing efficiency from decreasing. It is to provide a polishing tool.

[0009]

[Means for Solving the Problems]

In order to solve the above problems, in this invention the grinding tool with an abrasive cloth paper adhered and fixed onto the wheel substrate, the wheel abrasive material provided turned into integrally laminating a plurality of polishing cloth paper to the wheel on a substrate It employs a structure in which the board is attached and fixed at a required interval before and after the rotation direction of the board.

[0010]

[Action]

The wheel substrate is attached to the rotary shaft of the hand grinder to rotate the polishing tool in one direction, and at the same time, the polishing material is pressed against the workpiece to polish (grind). The fine grinding powder and the polishing particles that have separated from the polishing material during polishing are discharged from the gap between the polishing materials before and after the rotation direction. When the abrasive cloth paper piece constituting the abrasive is worn away during the polishing, the abrasive cloth paper piece of the next layer is exposed, and therefore the polishing power is maintained.

[0011]

Embodiments of the present invention will be described below with reference to the accompanying drawings.

As shown in FIGS. 1 and 2, reference numeral 1 denotes a wheel substrate, and on the surface of the wheel substrate 1, an abrasive 3 provided by laminating and integrating a plurality of polishing cloth paper pieces 2 is provided on the wheel substrate. 1 is bonded and fixed with a predetermined gap before and after the rotating direction of 1. Incidentally, integrally laminated polishing cloth paper 2 which constitute the abrasive material 3, securing the adhesive through astringency lock shape.

The arrangement of the abrasives 3 is carried out by fixing the abrasives 3 with the adhesive 4 along the periphery of the wheel substrate 1 as shown in FIGS. 1 and 3, and by the wheel as shown in FIG. In some cases, the abrasives 3 are arranged radially from the central portion to the peripheral edge of the base plate 1 and are fixed with an adhesive 4. Also, as shown in FIG. If a short abrasive 3 is interposed between the abrasives 3 in the radial direction, the gap between the abrasives 3 before and after the rotation direction can be reduced.

The outer peripheral edge of the abrasive material 3 shown in FIG. 1 has an arc shape that matches the outer peripheral edge of the wheel substrate 1. However, as shown in FIG. 3, it may be a straight line or a block shape. In some cases, one end of the polishing material 3 is adhered and fixed (not shown) so as to protrude from the peripheral edge of the wheel substrate 1, and polishing is performed using the protruding end of the block-shaped polishing material 3.

Furthermore, the use of wheel substrate 1 a flexible, such as a fiber, even with a polishing material 3 of the multi-layer can be obtained very abrasive article highly flexible, yet, the wheel substrate 1 If a cloth is interposed (not shown) on the adhesive fixing side of the abrasive material 3, the adhesive force is significantly increased and the wheel substrate 1 is reinforced.

Reference numeral 5 in the drawing denotes a through hole which is provided at the center of the wheel substrate 1 and which penetrates the rotary shaft of the hand grinder.

[0017]

[Effects] As described above, according to the polishing tool of the present invention, since the polishing material is adhered and fixed on the wheel substrate with a predetermined gap before and after the wheel substrate in the rotating direction, the polishing fine powder and The abrasive particles that have separated from the abrasive cloth paper piece are discharged from the gap to the periphery of the wheel substrate. Therefore, to prevent the clogging of the polishing pad paper, Ru can significantly improve polishing efficiency.

Further, since the abrasive material provided by laminating and integrating a plurality of pieces of abrasive cloth paper is used, corner sagging such as a large number of pieces of abrasive cloth paper which are radially aligned and fixed, and an abraded portion and an abraded portion are formed. It is possible to eliminate the inconvenience and chatter phenomenon of polishing a portion to be polished from the boundary .

Furthermore, since a laminated abrasive polishing cloth paper, since the surface layer of the polishing cloth paper is worn polishing pad paper follows layer exposed, sustained abrasive forces, to allow for a long time polishing In addition, the life is significantly extended . Further, since the entire surface of the abrasive cloth paper piece forming the abrasive is brought into contact with the work piece, the advantages of the abrasive cloth paper piece are maximized.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a polishing tool.

FIG. 2 is a perspective view of an abrasive.

FIG. 3 is a plan view showing the arrangement of abrasives.

FIG. 4 is a plan view showing the arrangement of abrasives.

FIG. 5 is a plan view showing the arrangement of abrasives.

[Explanation of symbols]

 1 Wheel Substrate 2 Polished Cloth Paper Piece 3 Abrasive Material 4 Adhesive 5 Through Hole

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[Procedure amendment]

[Submission date] July 13, 1992

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] Full text

[Correction method] Change

[Correction content]

[Document name] Statement

[Name of device] Polishing tool

[Scope of utility model registration request]

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a polishing tool.

FIG. 2 is a perspective view of an abrasive.

FIG. 3 is a plan view showing the arrangement of abrasives.

FIG. 4 is a plan view showing the arrangement of abrasives.

FIG. 5 is a plan view showing the arrangement of abrasives.

[Explanation of reference numerals] 1 wheel substrate 2 polishing cloth paper piece 3 polishing material 4 adhesive 5 through hole

Claims (1)

[Scope of utility model registration request] 1. A polishing tool comprising an abrasive cloth paper piece adhered and fixed onto a wheel substrate, wherein the abrasive material of the abrasive cloth paper piece is adhered and fixed onto the wheel substrate at a required interval before and after the rotation direction of the wheel substrate. A polishing tool characterized by the above.