KR20120089169A - Sandpaper manufacturing method and sandpaper - Google Patents

Abstract

PURPOSE: Sandpaper and a manufacturing method thereof, are provided to be attached to inner surfaces of sheet and net materials, and to between the sheet material and the net material. CONSTITUTION: A method for manufacturing sandpaper is as follows. A net material(12) is attached on a sheet material(11). The sheet material is made of one of the paper, fabric, synthetic resin, rubber material, non-woven fabric, sponge, cork and metal. The net material is made of one of the paper, synthetic resin, non-woven fabric or the metal material. Adhesives(27) are spread on the net material and the sheet material. High static electricity is applied to a receiving part which is filled with abrasive grains. The abrasive grains are attached to the net and sheet materials by the high static electricity.

Description

Sandpaper manufacturing method and sandpaper {SANDPAPER MANUFACTURING METHOD AND SANDPAPER}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sandpaper production method and sandpaper in which abrasive grains are uniformly attached and do not easily fall off.

The workpiece processing mechanism described in Japanese Patent Laid-Open No. 2002-66936 is for processing such as grinding, polishing, burr removal, and the like on a workpiece. The workpiece treatment mechanism comprises a first treatment tool provided in a shank, and a second treatment tool detachable from the first treatment tool, and is selectively ground using the first treatment tool and the second treatment tool. It is characterized by being able to efficiently process processes, such as grinding | polishing and burr removal. In addition, as for the processing apparatus which grinds, grinds, removes a burr, etc. with respect to a workpiece | work, what attached sand paper is used a lot.

[Patent Document 1] Japanese Patent Laid-Open No. 2002-66936

Conventionally, the brush hair material which processes grinding, grinding | polishing, burr removal, etc. with respect to a workpiece | work is comprised by the powder of abrasive grains etc. mixed in the brush hair material made from synthetic resin. Moreover, the sandpaper is comprised by the abrasive grain affixed uniformly on a sheet | seat raw material. However, when processing such as grinding, polishing, burr removal and the like on the workpiece, the brush bristles or sandpaper often come into contact with almost the same place of the workpiece. As a result, the brush bristles or sandpapers often failed to be used as brush bristles or sandpapers even if abrasive grains were dropped in a part of the same place, and abrasive grains remained in other portions.

Since the abrasive grains adhered to the brush bristle or sandpaper are usually attached with a uniform thickness, when peeling occurs in a part, they often failed to function as brush bristle or sandpaper.

MEANS TO SOLVE THE PROBLEM In order to solve the above subjects, this invention bonds a net material on a sheet | seat material, The manufacturing method of the sandpaper which can form an abrasive grain also in the surface or both surfaces of the said sheet | seat material and the net material, and the inside of an adhesive agent. And it aims at providing sand paper. In addition, an object of the present invention is to provide a sandpaper manufacturing method and sandpaper that can attach the abrasive grains to both the sheet material and the net material strongly and thickly by making the sheet material also in the shape of a net or a fabric.

(1st invention)

The sandpaper manufacturing method of the present invention is a paper, cloth, synthetic resin, nonwoven fabric, or metal material on a sheet material made of at least one of paper, cloth, synthetic resin, rubber material, nonwoven fabric, sponge, cork, and metal. Bonding the net material comprising at least one of the above, applying the adhesive to the sheet material and the net material, applying a high static electricity to an accommodating part containing abrasive grains, and And a step of causing the abrasive grains stored in the housing to fly up by the application of the high static electricity, thereby attaching the abrasive grains on the sheet material and the net material.

(2nd invention)

As for the sheet material in the sandpaper manufacturing method of 2nd invention, at least 1 sort (s) of said member is woven. It is characterized by the above-mentioned.

(Third invention)

In the sandpaper manufacturing method of the third aspect of the invention, the cutting hole is formed in a sheet material and a net material with abrasive grains.

(Fourth invention)

The abrasive grain in the sandpaper manufacturing method of the fourth invention comprises at least diamond, ceramic, alumina, silicon, zirconium oxide, zirconium, glass, emery, cerium oxide, boron nitride (CBN), and green carbon (GC). It is one kind, It is characterized by being attached so that the whole surface of the said net material and sheet | seat material may be covered.

(5th invention)

The net material in the sandpaper production method of the fifth invention is characterized by weaving or braiding at least one line.

(6th invention)

The sandpaper of the sixth invention is at least one kind of paper, cloth, resin, nonwoven fabric, or metal material on a sheet material composed of at least one kind of paper, cloth, synthetic resin, rubber material, nonwoven fabric, sponge, cork, and metal. At least an abrasive layer attached to cover the sheet material and the net material when the base material bonded to the net material is bonded to the base material, the adhesive applied on the base material, and high static electricity is applied. It is characterized by being configured.

(7th invention)

In the sandpaper of the seventh aspect of the invention, the substrate to which the abrasive grain layer is attached by an adhesive is wound in a roll shape.

(8th invention)

In the sandpaper according to the eighth aspect of the invention, in the substrate, the abrasive grain layer is provided on both surfaces of the substrate by an adhesive.

(Ninth invention)

In the sandpaper of the ninth invention, the net material is provided so as to be oblique to the sheet material.

(10th invention)

In the sandpaper according to the tenth aspect of the invention, the substrate to which the abrasive grain layer is attached by an adhesive is cut into strips, or a plurality of notches are formed, and the sheets are formed into sheets.

(11th invention)

In the sandpaper according to the eleventh aspect of the invention, the substrate to which the abrasive grain layer is attached by an adhesive is rolled round and molded into a rod shape.

(12th invention)

In the sandpaper of the twelfth invention, a plurality of substrates having the abrasive grain layer adhered by an adhesive are rolled and formed in one piece.

(13th invention)

In the sandpaper of the thirteenth invention, the net material made of the metal material is characterized in that the cross section is formed of a circle, an ellipse, and a polygon.

According to the present invention, since high static electricity is applied to the abrasive grains and the abrasive grains can be mixed in the sheet material and / or the net material, sandpaper having a long life can be obtained.

According to the present invention, the abrasive can be attached not only to the surfaces of the sheet material and the net material and the mesh, but also to the inside of the material and the sheet material and the net material by the adhesive.

According to the present invention, by selecting the type of the sheet material and the net material and the combination of the materials, sandpaper having high quality and long life can be obtained.

According to the present invention, since the cutting hole is formed in the sandpaper, when it is rolled into a roll shape, it can be easily cut into a required size if necessary.

According to the present invention, it is possible to easily obtain sandpapers having a shape other than a sheet, such as strip-shaped ones in which the sandpaper is cut to a predetermined width, rounded rod-shaped ones, and rolled up a plurality of rounded pieces.

According to the present invention, by making the mesh of the net material small, more abrasives can be coated on the net material than to adhere to the plane.

According to the present invention, the abrasive grains of different particle diameters are mixed and a high voltage is applied to thereby adhere to one or both surfaces of the sheet material and / or the net material.

According to the present invention, by making the net material oblique to the sheet material, it is possible to change the polishing force or the contact method for the workpiece. The sheet material and / or net material may be angled at one side and oblique at the other side.

1 (a) to (c) are schematic views for explaining a state in which a net material is attached to a sheet material and an abrasive grain is attached to and between the sheet materials as a first embodiment of the present invention.
2 (a) to 2 (c) are schematic views for explaining a state in which sand is attached to a sheet material and a net material by applying high static electricity to the abrasive grains as a method for producing the sandpaper of the present invention.
3 (a) to 3 (c) are views for explaining an example of cutting the sandpaper of the present invention to produce various products.
4 (a) to 4 (d) are diagrams for explaining a state in which sand paper is produced by attaching a wire mesh to a sheet material and applying high static electricity as a second embodiment of the present invention.
5 (a) to (bar) are views for explaining a sandpaper in which a wire mesh is attached to both surfaces of a sheet material as a third embodiment of the present invention.

(1st invention)

The sandpaper manufacturing method of the first invention comprises at least a step of bonding a net material on a sheet material, a step of applying an adhesive, a step of applying high static electricity, and a step of attaching abrasive grains, thereby forming an upper portion of the net material. And sandpaper having firmly adhered abrasive grains on the sides and the top of the sheet material. The sheet material is made of paper, cloth, synthetic resin, rubber material, nonwoven fabric, sponge, cork, and a thickness such that at least one kind of metal can be wound in a roll shape.

The sheet material is bonded to the net material on the top. The said net material consists of at least 1 sort (s) of paper, cloth, synthetic resin, a nonwoven fabric, or a metal material. For example, the sheet material and the net material which are wound in advance are formed in a sheet shape and an adhesive is applied. As the coating step, for example, first, an accommodating part containing abrasive grains is provided below the sheet material and net material, and high static electricity is applied to the abrasive when these materials pass through the upper part of the accommodating part. The abrasive grains accommodated in the accommodation portion fly off as the high static electricity is applied.

The abrasive grains blown by the high static electricity are attached to cover the upper part of the sheet material and the net material. In addition, the abrasive grains are almost uniform in direction when flying with static electricity, and are uniformly attached to the sheet material and the net material. Moreover, since the abrasive grains are strongly attached to the sheet material and the net material by using the force of static electricity, the abrasive grains are formed to every corner as if the net-shaped portion is covered and coated. By applying the adhesive thickly, the abrasive grains blown off by the high static electricity adhere to the inside and the surface of the sheet material and the net material. The sandpaper produced in this way can use the abrasive part which penetrated (infiltrated) inside the said sheet | seat material and net material by the application of high static electricity, even if the abrasive grain of a surface wears.

(2nd invention)

In the sandpaper production method of the second aspect of the invention, the sheet material is formed of at least one or a plurality of linear members instead of one sheet-like face member to form a planar body. For example, paper, cloth, or fibrous synthetic resin is made into a linear body and then woven into a sheet material. In the sheet material, abrasive grains can penetrate between the woven noses, and the life of the sandpaper can be extended.

(Third invention)

In the sandpaper manufacturing method of the third aspect of the invention, cutting holes are formed in the sheet material and the net material with the abrasive grains to easily cut the finished sandpaper into a predetermined size. By forming the cut-out hole, it is easy to cut the sandpaper by a desired size without using a cutting tool such as scissors. The direction of the said cutting hole, for example, a longitudinal direction, a horizontal direction, or a number etc., is formed in arbitrary places as needed.

(Fourth invention)

The abrasive grains adhered to the sandpaper of the fourth aspect of the invention are at least one kind of diamond, ceramic, alumina, silicon, zirconium oxide, zirconium, glass, diamond steel, cerium oxide, boron nitride (CBN), and green carbon (GC). The abrasive grains cover the entire surfaces of the net material and the sheet material, and are attached over an intersecting portion or a narrow corner portion of the material.

(5th invention)

The net material of the fifth aspect of the invention is made by woven one line or a plurality of lines or by twisting a plurality of lines into one. In particular, a plurality of wire-woven or braided net materials are easy to attach the abrasive grains between the sheet material and the net material and between the net material and the net material.

(6th invention)

The sandpaper of the sixth invention is at least composed of a substrate on which a net material is bonded on a sheet material, an adhesive applied on the substrate, and an abrasive grain layer adhered to the sheet material and the net material. The sheet material is made of at least one of, for example, paper, cloth, synthetic resin, rubber material, nonwoven fabric, sponge, cork, and metal, and has a paper shape. The said net material consists of at least 1 sort (s) of paper, cloth, resin, a nonwoven fabric, or a metal material, for example. The said net material is bonded together on the said sheet | seat raw material, and the said base material has comprised the sheet form.

The base material is coated with an adhesive thereon. An abrasive grain is blown off by applying high static electricity, for example, 60,000 volts of direct current. The flying abrasive grain is attached to the sheet material and the net material to become an abrasive grain layer. The abrasive grain layer not only covers the entire surfaces of the sheet material and the net material, but also penetrates into the mesh, and not only maintains the quality as sandpaper for a long time but also can maintain the service life for a long time.

(7th invention)

As for the sandpaper of 7th invention, the base material is wound in roll shape. Since the base material to which the said abrasive grain layer adhered by the adhesive agent is wound in roll shape, it can be cut | disconnected and used for a required length and / or size.

(8th invention)

As for the sandpaper of 8th invention, the said abrasive grain layer is provided in the both surfaces of a base material with an adhesive agent. The said base material is provided so that a net material may be provided in both surfaces, and the said abrasive layer penetrates into the said base material and a net material. Since the abrasive grains are formed on both surfaces of the sandpaper, the life of the sandpaper can be extended.

(Ninth invention)

The sandpaper of the ninth invention is provided such that the net material is oblique to the sheet material. The net material can be changed at a right angle or at an inclined angle with respect to the sheet material, thereby changing the polishing force or the contact method for the workpiece.

(10th invention)

The sandpaper of the tenth aspect of the present invention can be used by cutting the substrate having the abrasive grain layer adhered by an adhesive into a strip or in the form of a sheet in which a plurality of notches are formed. The strip-shaped sandpaper can be used in a narrow bar shape with a narrow width. In addition, the said sandpaper can also be used in the shape of a rectangle which made the width | variety of a strip slightly wider. Moreover, the said sandpaper can be used as the sheet form which provided the some notch.

(11th invention)

The sandpaper of the eleventh invention can be rolled up and shaped into a rod shape after the substrate having the abrasive grain layer adhered by an adhesive is cut into strips (rectangles). The said rectangular base material can obtain the round bar brush which differs in thickness by changing width arbitrarily as needed.

(12th invention)

The sandpaper of the twelfth invention can be used by molding a plurality of pieces in which the abrasive grain layer rounds the substrate attached with the adhesive. The said round bar brush can put a core as needed, and can also be set as the brush which collected several pieces together.

(13th invention)

In the sandpaper of the thirteenth invention, the net material is made of a metal material. The cross section of the metal material may be a circle, an ellipse, and a polygon. Compared with the circular material, the metal mesh material made of the above-mentioned polygonal material can be polished even by this part because the edge portion is exposed to the surface even if the abrasive layer is worn.

[First Embodiment]

1 (a) to (c) are schematic views for explaining a state in which a net material is attached to a sheet material and an abrasive grain is attached to the upper part and between them as a first embodiment of the present invention. 1 (a) to (c) of the first embodiment of the present invention, the sheet material 11, the net material 12, such as paper, cloth, synthetic resin, rubber material, non-woven fabric, sponge, cork, or At least one kind of metal is integrally attached. The net material 12 is formed of the paper, cloth, synthetic resin, rubber material, nonwoven fabric, sponge, cork, or metal in a net shape.

The sheet material 11 is, for example, is thin enough to be wound in a roll shape and is formed in a plate shape. Moreover, the said sheet | seat raw material 11 can also form and form at least 1 type of said member. The sheet material 11 can adhere the abrasive grains 14 to the woven nose, and can extend the life as sandpaper.

The said sheet | seat raw material 11 can be squeezed as one or more types of thing as a single line or a twisted line. The net material 12 attached to the sheet material 11 can be formed by a single line or a twisted line. In particular, the sheet material made of paper can be made into a single material by twisting the sheet-shaped paper round and then twisting it into a single material to form the net material 12. Further, the paper material is cut into paper, cut, or torn into small pieces, and then put in a small amount of adhesive to be braided to a desired thickness, and then produced as a sheet material 11 or a net material 12.

The net material 12 is, for example, at least one kind of paper, cloth, resin, nonwoven fabric, or metal material in a net shape. The sheet material 11 is attached to the net material 12 with an adhesive 13 or the like. The sandpaper of the present invention then attaches the abrasive grains 14 by the method shown in FIG. 2. The abrasive grains 14 may be attached in the state of being coated on the surface of the sheet material 11 and the upper portion of the net material 12, or between them.

2 (a) to 2 (c) are schematic views for explaining a state in which sand is attached to a sheet material and a net material by applying high static electricity to the abrasive grains as a method for producing the sandpaper of the present invention. In FIG. 2A, the base 21 has a predetermined distance as shown in the first spacer 22, the second spacer 23, and the third spacer 24 in at least three places. It is installed. The sheet material 11 and the net material 12 are integrally attached to each other, and are wound in advance to form a roll-shaped member 28.

The roll-shaped member 28 is drawn out, for example, with the net material 12 facing downward, and over the first spacer 22, the second spacer 23, and the third spacer 24. To pass. Between the said 2nd spacer 23 and the 3rd spacer 24, the storage chamber which accommodates the abrasive grains 14 is provided. The storage chamber is provided with electrode plates or electrodes 25 and 26 for applying high static electricity up and down. On the other hand, the application | coating apparatus which apply | coats the adhesive agent 27 is provided below the said sheet | seat raw material 11 and the net raw material 12. As shown in FIG. The position of the said coating apparatus is not limited only to the lower side of the arrow which shows the delivery direction of the adhesive agent 27, It should just be in front of the said storage chamber.

As for the sheet | seat raw material 11 and the net raw material 12 taken out from the said roll-shaped member 28, the adhesive agent 13 is apply | coated from below first. The sheet material 11 and the net material 12 move along the spacers 22, 23, and 24 and pass through an upper portion of the storage chamber in which the abrasive grains 14 are accommodated. For example, 60,000 volts of static electricity is applied to the electrodes 25 and 26 provided above and below the storage chamber. By the application of the static electricity, the abrasive grains 14 housed in the storage chamber are blown off in a powder state and coated to cover the sheet material 11 and the net material 12. Since the static electricity is high at 60,000 volts, since the energy when the abrasive grains 14 are blown up is laminated several times in the gap between the sheet material 11 and the net material 12, the density is increased. High abrasive layer;

Although the figure shown to (a) of FIG. 2 is only about the case where an abrasive grain is adhere | attached from one side of sandpaper from below, it can also form on both surfaces of the said sandpaper. In addition, the sandpaper may be attached to the abrasive grains by applying static electricity from one or the other in the longitudinal direction.

In FIG. 2B, the sandpaper is composed of a sheet material 11, a net material 12, and an abrasive grain layer 14 ′. In Fig. 2C, the sandpaper is composed of sheet materials 11 and 11 ', net material 12, and abrasive grain layer 14'. The sheet material 11 ′ may be formed of a different material and a different structure from the net material 12.

3 (a) to 3 (c) are views for explaining an example of cutting the sandpaper of the present invention to produce various products. In Fig. 3A, the sandpaper shown in Fig. 2 is cut into strips. The strip-shaped sandpaper 31 is folded in half, respectively, and sandwiched by a channel member (not shown), whereby a channel brush is formed. In addition, the strip-shaped sandpaper 31 is planted on a deck to form a hair-shaped brush.

In FIG. 3B, the rod-shaped brush 33 is formed by winding a sandpaper having a wider width than in FIG. 3A. The sandpaper may be wound once. The rod-shaped brush 33 has an abrasive grain 32 attached to its entire surface. In FIG. 3 (c), the rod-shaped brush 35 in which a plurality of rod-shaped brushes 33 roundly rolled up is formed by FIG. 3 (b). Plural pieces of the rod-shaped brush 35 are bundled, and abrasive grains 36 are attached to the circumference thereof.

[Second Embodiment]

4 (a) to 4 (d) are diagrams for explaining a state in which sand paper is produced by attaching a wire mesh to a sheet material and applying high static electricity as a second embodiment of the present invention. In FIG. 4A, a wire mesh 42 is attached to the sheet material 41. In FIG. 4B, an adhesive 43 is applied to the sheet material 41 and the wire mesh 42. In FIG. 4C, the sheet material 41, the wire mesh 42, and the adhesive 43, as shown in FIG. 2, blow off the abrasive grains by high static electricity and use the energy of the sheet material ( 41 and the upper part of the wire mesh 42, the clearance gap formed by the sheet | seat material 41, and the wire mesh 42, etc. are made to adhere.

The wire mesh 42 may be one having a polygonal cross section of a metal material, in addition to a single line or a twisted line. Compared with the circular material, the wire mesh 42 made of the polygon can be polished even by this part because the edge portion of the material is exposed to the surface even when the abrasive layer is worn.

[Third Embodiment]

5 (a) to 5 (a) are views for explaining a sandpaper in which a wire mesh is attached to both surfaces of a sheet material 51 as a third embodiment of the present invention. In FIGS. 5A and 5B, the sheet material 51 is provided with net material 52 and 53 arranged in parallel with one edge of the sheet material 51 on the upper and lower surfaces thereof. . 5 (a) to (bar), the abrasive grains are omitted.

5 (c) and (d), the sheet material 51 is provided with net materials 54 and 55 obliquely with respect to the edges of the material on the upper and lower surfaces thereof. In the figure, abrasive grains are omitted. Since the sand paper is fixedly arranged at an angle to the edge of the net material 54, 55, it is easier to adjust the polishing force or the contact method on the workpiece as compared with FIGS. 5A and 5B.

In FIGS. 5E and 5B, the sheet material 51 has a net material 56 parallel to the edge of the sheet material 51 on its upper surface, and an edge of the material 51 on its back surface. An obliquely net material 57 is provided. The sand paper can change the polishing force or the contact method with respect to a workpiece by the surface and the back surface. Although FIG. 5A-FIG. 5 demonstrated the metal wire of 2nd Example, it can be set as the sheet | seat material and net material shown in FIG.

The sheet material can be rolled up, twisted, twisted, and formed into bristles. In addition, the paper material can be formed as a bristles by cutting the sheet-like member into strips, rolling them in the same manner as described above, twisting and twisting them. The said angled net material can change an angle arbitrarily.

The abrasive grains used in the present invention are at least one of diamond, ceramic, alumina, silicon, zirconium oxide, zirconium, glass, diamond steel, cerium oxide, boron nitride (CBN) and green carbon (GC). The said diamond is an industrial diamond normally produced artificially.

As mentioned above, although the Example of this invention was described in detail, this invention is not limited to said Example. In addition, various design changes are possible for this invention within the range which does not deviate from the matter described in a claim. Since the sandpaper manufacturing method and sandpaper according to the present invention attach abrasive grains by application of high static electricity, since the amount of deposition and the direction of abrasive grains at the time of attachment differ from the usual ones, the state of wear and the like is surely different.

11: sheet material
12: net material
13: glue
14: abrasive
21: expect
22, 23, 24: spacer
25, 26: electrode
27: adhesive
28: roll-shaped member

Claims (13)

Bonding a net material made of at least one of paper, cloth, synthetic resin, nonwoven fabric, or metal material onto a sheet material made of at least one kind of paper, cloth, synthetic resin, rubber material, nonwoven fabric, sponge, cork, and metal. Fair,
Applying an adhesive to the sheet material and the net material;
A process of applying high static electricity to a receptacle containing abrasive grains,
And a step of attaching the abrasive grains on the sheet material and the net material by flying the abrasive grains stored in the accommodating portion by the application of the high static electricity. The method of claim 1,
The sheet material is a sandpaper production method, characterized in that at least one member is woven. The method according to claim 1 or 2,
Sandpaper manufacturing method characterized in that the cutting hole for cutting is formed in the sheet material and the net material is attached to the abrasive. The method according to claim 1 or 2,
The abrasive grains are at least one kind of diamond, ceramic, alumina, silicon, zirconium oxide, zirconium, glass, emerald steel, cerium oxide, boron nitride (CBN), and green carbon (GC), and the net material and sheet Sandpaper manufacturing method, characterized in that attached to cover the entire surface of the material. The method according to claim 1 or 2,
The net material is a sandpaper manufacturing method, characterized in that weaving or braiding at least one line. A net material made of at least one of paper, cloth, resin, nonwoven fabric, or metal material is bonded to a sheet material made of at least one kind of paper, cloth, synthetic resin, rubber material, nonwoven fabric, sponge, cork, and metal. Base materials,
An adhesive applied on the substrate,
A sandpaper comprising at least an abrasive layer attached to cover the sheet material and the net material when high static electricity is applied. The method according to claim 6,
The substrate on which the abrasive grain layer is attached by an adhesive is wound in a roll shape. The method according to claim 6 or 7,
The said base material is a sandpaper in which the said abrasive grain layer is provided in both surfaces by the adhesive agent. The method according to claim 6 or 7,
The said net material is provided so that it may become oblique with respect to a sheet material, The sandpaper characterized by the above-mentioned. The method according to claim 6 or 7,
The substrate on which the abrasive grain layer is attached by an adhesive is cut into strips, or a plurality of notches are formed in a sheet shape. The method according to claim 6 or 7,
The substrate on which the abrasive grain layer is attached by an adhesive is rolled round and molded into a rod shape. The method according to claim 6 or 7,
The base paper with which the said abrasive grain layer was affixed with the adhesive agent is formed by integrally shape | molding a plurality of round sheets, and sandpaper characterized by the above-mentioned. The method according to claim 6 or 7,
The net material made of the metal material is a sandpaper, characterized in that the cross section consisting of a circle, an ellipse, and a polygon.

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