JPH0623417Y2 - Abrasive cloth wheel - Google Patents

Description

[Detailed Description of the Invention] [Object of the Invention] Industrial field of application The present invention facilitates disposition of abrasive cloth paper and enhances the adhesive strength, and makes use of the flexibility of abrasive cloth paper. It concerns the paper wheel.

2. Description of the Related Art Conventionally, as a polishing cloth wheel, a large number of polishing cloth papers formed in a rectangular shape are radially arranged on a wheel base and arranged in an inclined state in a circumferential direction, and a base end portion thereof is adhesively fixed. Although abrasive cloth paper wheels are known, in such abrasive cloth paper wheels, since the base end of the abrasive cloth paper is only brought into contact with the wheel base and fixed by adhesion, Since it is extremely difficult to make the annular polishing bodies to be made uniform, it is inferior in workability, and since it becomes uneven, the polishing surface becomes wavy, resulting in poor polishing. Even if all the base end portions of are adhered, that is, even adhered to a wheel base having the same diameter as or larger than that of the annular abrasive body, there is a defect that the adhesive strength is insufficient and the base is easily pulled out during use. Diameter smaller than annular abrasive Therefore, there is a drawback that the annular abrasive body cannot have flexibility and the curved workpiece cannot be polished.

DISCLOSURE OF THE INVENTION The present invention not only improves the workability at the time of bonding and arranging an abrasive body composed of abrasive cloth paper, but also grinds well without corrugating the processed surface, and the base end of the abrasive cloth paper. The part is gripped by the concave groove, and it is firmly joined together with an adhesive while contacting innumerable fluff, and the outer diameter of the wheel base is made significantly smaller than the outer diameter of the abrasive body It is intended to provide an abrasive cloth wheel having flexibility on the side and adapted to a curved processed surface.

[Constitution of device]

Means for Solving the Problems In view of the problems such as the adhesive strength based on the above-mentioned conventional technique, the present invention provides the mesh body with a radial shape in advance, and provides a concave groove with a width corresponding to the thickness of the abrasive cloth. The above-mentioned drawbacks are provided by providing a polishing cloth wheel which is characterized in that the workability and adhesive strength are improved and the outer peripheral side of the polishing body is provided with flexibility by fitting the base end portion of the polishing cloth paper into the groove. It is a solution to the problem.

As the abrasive cloth wheel, an abrasive body constituted by arranging a large number of abrasive cloth papers each in a radial direction and arranging in a circumferential direction, and a wheel base having a diameter smaller than the abrasive body In the abrasive cloth wheel adhered and fixed by interposing, a large number of concave grooves are radially provided in the width corresponding to the thickness of the abrasive cloth paper in the mesh body in which the warp and the warp intersect with each other by the natural and chemical fibers having fluff, The base end of each abrasive cloth paper constituting the abrasive body is fitted in the concave groove.

Effect In the present invention, by inserting the base end of the abrasive cloth paper into the concave groove formed in the net body, the inclination angle of the abrasive cloth and the intervals between the abrasive cloth papers are made substantially uniform and uniform. And the base end part of the abrasive cloth paper is firmly held by both side walls of the concave groove of the net body, and firmly bonded together with an adhesive while contacting with innumerable fluff. To do.

Embodiments An embodiment of the present invention will be described below with reference to the drawings. 1 is a polishing cloth paper wheel according to the present invention, and the polishing cloth paper wheel 1 has a shaft into which a rotary shaft such as a grinder can be inserted. The hole 2 is formed, and the mesh 4 is formed on the wheel base 3.
The polishing body 5 is adhered and integrally bonded with the interposition of.

The wheel base 3 is made of synthetic resin, metal, grindstone (vitrified, resinoid, rubber), etc., and has a flange portion 6 formed at the peripheral portion and an outwardly bulged portion 7 formed at the central portion. A shaft hole 8 is formed in the center of the portion 7.

The mesh body 4 is a mesh-like woven fabric in which the warp and the weft are crossed by natural and chemical fibers, etc., which have almost the same shape as the wheel base 3, and have a number of fluffs. Concave grooves 10, 10a formed in an inclined shape over
Are radially arranged with a width corresponding to the thickness of the abrasive cloth paper 11, 11a ....

The abrasive body 5 comprises rectangular abrasive cloth papers 11 and 11a, in which abrasive grains are arranged and fixed in an upright manner by using static electricity, and the abrasive surfaces of the abrasive cloth papers 11 and 11a. The wheel base 3 is inclined so as to hit an acute angle and is arranged in the circumferential direction to form a ring having a larger diameter than the wheel base 3.

And as the abrasive cloth wheel 1, the wheel base 3
Apply adhesive 12 to the inner surface of the
The net body 4 is placed with the back surface in the opposite direction of the opening side of 10, 10a ... facing, and then the base ends of the abrasive cloth papers 11, 11a ... .. are fitted into the concave grooves 10, 10a, and the adhesive 12 is solidified and integrally bonded.

In this bonded state, the adhesive 12 applied to the inner side surface of the wheel base 3 exudes to the surface side through the mesh of the mesh body 4 and fits into the concave grooves 10, 10a ... 11, 11a ...
Are integrated together.

Reference numeral 13 in the drawing is a dish-shaped seat plate having a shaft hole 14 that is adhesively fixed to the inner surface of the bulging portion 7 of the wheel base 3.

Next, the operation of the abrasive cloth wheel according to the present invention will be described. First, in manufacturing, the concave grooves 10 and 1 formed in the net body 4 in advance are first described.
By inserting the base end portions of the abrasive cloth papers 11 and 11a into 0a, the inclination angle of the abrasive body 5 and the intervals between the abrasive cloths 11 and 11a are made substantially constant, and the uniform abrasive body is obtained. 5, and the base ends of the abrasive cloths 11, 11a ... Are closely gripped by both side walls of the concave grooves 10, 10a ... of the net 4, and are in contact with innumerable fluff. Then, the outer diameter of the wheel base 3 is made small by firmly bonding together with the adhesive 12 so that the polishing body 5 has flexibility on the outer peripheral side.

Next, at the time of use, the polishing cloth wheel 1 is attached to the rotary shaft of the grinder 15 and the surface of the metal or the like is polished by the polishing body 5. In such a state, the outer peripheral side of the polishing body 5 is By pressing against the curved processing surface 16, the outer peripheral side is deformed along the curved shape,
Each of the abrasive cloth papers 11 and 11a at the bonding portion overlaps each other in an inclined manner and reinforces each other, so that the waist of the abrasive body 5 becomes strong, and the abrasive grains of the abrasive cloth papers 11 and 11a are base cloth cloths. A large-scale type in which the abrasive paper is pressed against the work surface and the abrasive particles hit the processing surface at an acute angle, so that the cloth paper band from which the abrasive particles fall off becomes the escape area for the chips between the abrasive particles and the binder. The polishing body 5 is formed by concentrating the respective abrasive cloth papers 11 and 11a, so that heat transfer by heat conduction is small, and the outer peripheral edge side of the polishing body 5 is located outside the wheel base 3. Since it is exposed to the outside, the abrasive cloth paper 11, 1
A swirling air flow passing through each adjacent space of 1a ... Is induced to have a cooling effect, and the polishing body 5 is fixedly connected to the wheel base 3 with the mesh body 4 interposed therebetween. It acts as a buffer function.

[Effects of the Invention] In summary, the present invention has a polishing body 5 composed of a plurality of abrasive cloth papers 11, 11a ... In the abrasive cloth paper wheel, which is adhered and fixed to the wheel base 3 with the mesh body 4 interposed therebetween, the thickness of the abrasive cloth paper 11, 11a, etc. on the mesh body 4 in which warps and warps are crossed by natural or chemical fibers having fluffs. A large number of concave grooves 10, 10a ... Are provided radially with a width corresponding to the above, and each abrasive cloth paper 11, 11a ... Which constitutes the abrasive body 5 in the concave grooves 10, 10a.
Since the base ends of the abrasive cloth paper 11, 11a, ... Are closely held by the side walls of the concave grooves 10, 10a. While being in contact with each other, it can be firmly and integrally bonded with the adhesive 12.
Since it can be fixed in an inclined state, the abrasive cloth paper 11, 11a ... Can be used safely without being bent and cut, and the net 4 disperses the peeling force applied to each abrasive cloth paper 11, 11a. It is possible to prevent the abrasive cloth paper 11, 11a ... from coming off without partial peeling of the parts, and to make the outer diameter of the wheel base 3 significantly smaller than the outer diameter of the abrasive body 5 to provide flexibility on the outer peripheral side of the abrasive body 5. It can be included, and the curved processing surface 16 can be satisfactorily ground, and the base ends of the abrasive cloth paper 11, 11a ... Can be fitted into the concave grooves 10, 10a. By abrasive body 5
Since the polishing body 5 having a uniform inclination can be configured by making the inclination angle of each of the polishing cloth papers 11 and 11a ... And the interval between the polishing cloth papers 11 and 11a. In addition to making it easy, the polished surface of the polishing body 5 does not become wavy, so
This is a great practical effect in that it flatly digs into the surface 16 and the surface 16 can be satisfactorily polished without becoming wavy.

[Brief description of drawings]

1 shows an embodiment of the present invention, FIG. 1 is a side view of an abrasive cloth wheel according to the present invention, and FIG.
The figure is a plan view of the same as above, FIG. 3 is a bottom view of the same as above, FIG. 4 is a cross-sectional view of the same as above, FIG. 5 is a plan view of a net body constituting the same as above, and FIG. 6 is a second view showing a bonded state of abrasive cloth paper. FIG. 7 is an enlarged cross-sectional view taken along the line AA of FIG. 7, and FIG. 7 is a view showing a usage state of the abrasive cloth wheel. 3 wheel base, 4 mesh body, 5 abrasive body 10, 10a ... concave groove, 11, 11a ... abrasive cloth paper

Claims (1)

[Scope of utility model registration request] 1. A polishing body constituted by arranging a large number of abrasive cloth papers by sloping them in a radial pattern and arranging them in a circumferential direction, and a wheel base having a diameter smaller than that of the polishing body, with a mesh body interposed therebetween. In a bonded abrasive-bonded paper wheel, a plurality of concave grooves are radially provided in a mesh corresponding to the thickness of the abrasive cloth in a mesh body in which warps and warps cross with natural fibers, scientific fibers, etc. An abrasive cloth wheel, wherein the base end of each abrasive cloth paper composing the abrasive body is fitted in.