JPH10193272A - Polishing device for work - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the working efficiency of polishing work by arranging slipping-out preventive members in tip parts of shafts, bringing the outside of buff wheels into contact with these slipping-out preventive members, and screw-fitting fastening nuts to the inside of the buff wheels in the shafts. SOLUTION: Slipping-out preventive pins 50 and 50 fitted to and installed on tip parts of small diameter parts 11 and 11 in shafts 10 and 10, prevent buff wheels 20 and 20 from falling off from the small diameter parts 11 and 11 of the shafts 10 and 10. In this condition, the buff wheels 20 and 20 are fastened and fixed by the slipping-out preventive pins 50 and 50 by screwing and moving fastening nuts 40 and 40 in the direction of the buff wheels 20 and 20. As a result, a projecting part is eliminated from outside surfaces of the buff wheels 20, and polishing work is more easily performed, and positioning of the buff wheels 20 to a vehicular wheel W is facilitated.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for polishing a workpiece, and more particularly to a method for installing a buff wheel.

[0002]

2. Description of the Related Art In a conventional work polishing apparatus, as shown in FIG. 1, a latching portion 30 is provided inside a buff wheel 20 inserted into a shaft 10 and tightened outside the buff wheel 20. The buff wheel 20 is fastened and fixed to the tip of the shaft 10 by screwing a nut 40 and screwing the tightening nut 40 with respect to the shaft 10, and the shaft 10 is rotated around its axis O. The work (eg, vehicle wheel) W was polished by the buff wheel 20 by rotating.

[0003]

However, in such a conventional polishing apparatus, since the tightening nut 40 of the buff wheel 20 is provided at the tip of the shaft 10,
As a result of the tip of the shaft 10 protruding from the outer surface of the buff wheel 20 by the thickness of the tightening nut 40 and the tightening margin, the protruding portion hinders the polishing operation, and therefore it is difficult to improve the working efficiency of the polishing operation Had the inconvenience. In particular, as shown in FIG. 1, a pair of buff wheels 20, 2
When one workpiece W is polished with the workpieces 0 facing each other, the protruding end portions of the shafts 10 and 10 in these buff wheels 20 and 20 hinder the movement of the buff wheels 20 and 20 and, as a result, the center of the workpiece W (The work is rotating around its axis), which is inconvenient in that it is difficult to polish.

In addition, in the conventional polishing apparatus, the buff wheel 20 is hung on the shaft 10 with reference to the inner surface thereof. The result depends on
There is a disadvantage that it is difficult to position the buff wheel 20 with respect to the work W.

An object of the present invention is to eliminate these disadvantages.

[0006]

In order to achieve the above object, in a work polishing apparatus according to the present invention, a buff wheel is fitted to a shaft, and the work is rotated while rotating the shaft around its axis. In a workpiece polishing apparatus for polishing, a retaining member is provided at a tip portion of the shaft, and an outer side of the buff wheel is brought into contact with the retaining member, and a tightening nut is screwed inside the buff wheel on the shaft. Since the buff wheel is tightened and fixed to the shaft by screwing the tightening nut with respect to the shaft, unlike the related art, the tightening nut and the tightening margin are unnecessary on the outer surface of the buff wheel. .

Further, since the buff wheel can be hung on the shaft with reference to the outer surface thereof,
The position of the outer surface of the buff wheel is not affected by the thickness of the buff wheel, so that the buff wheel can be easily positioned with respect to the work.

Further, if the buff wheel is formed with an enlarged diameter portion around the shaft hole on the outside and the retaining member can be accommodated in the enlarged diameter portion, the outer surface of the buff wheel is further attached to the tip of the shaft. As a result of the matching, the polishing operation is easier and the positioning of the buff wheel with respect to the workpiece is easier.

[0009]

FIG. 2 shows an embodiment of the polishing apparatus. In the figure, W is a vehicle wheel, which corresponds to the work of the present invention. The vehicle wheel W can be rotated about the axis O by appropriate means.

Reference numerals 10, 10 denote shafts, which are arranged above the vehicle wheel W. The shafts 10 and 10 are appropriately rotated around the axis by driving means. Also,
The shfts 10, 10 can move forward and backward in the axial and width directions, and can vibrate in small increments. Furthermore, it is possible to swing in the horizontal direction or the vertical direction using the root portion as a fulcrum.

Reference numerals 11 and 11 denote small-diameter portions.
0 is formed at the tip. Reference numerals 12 and 12 denote bolt portions, which are formed from the roots of the small-diameter portions 11 and 11 toward the distal end. Tightening nuts 40, 40 are screwed into the bolt portions 12, 12, respectively. This tightening nut 40,4
The function of 0 will be described later. Reference numerals 20, 20 denote buff wheels, which are fitted into the small diameter portions 11, 11 of the shafts 10, 10, respectively. The buff wheels 20, 20 are ordinary buff wheels, and flange portions 22, 23, 22, 23 are integrally formed at both ends of the boss portions 21, 21, and the flange portions 22, 22, and the flange portions 23, 23 are formed integrally. Disc-shaped buffs 24, 24 are sandwiched between them.

Reference numerals 50, 50 denote retaining pins (corresponding to the "retaining member" of the present invention), which are fitted to the distal ends of the small diameter portions 11, 11 of the shafts 10, 10, respectively. The retaining pins 50,50 are for the buff wheels 20,20 for the shaft 1
It is prevented from falling off from the small diameter portions 11 and 11 of 0 and 10.

In this state, by screwing the tightening nuts 40, 40 toward the buff wheels 20, 20,
The buff wheels 20, 20 are tightened and fixed by the retaining pins 50, 50.

As shown in FIG. 3, if the central portion of the flange portion 23 is formed in a concave shape, the retaining pins 50, 50 are fitted in the concave portion (corresponding to the "enlarged diameter portion" of the present invention) 231. Since the buff wheel 20 can be accommodated, the tip surface (outer surface) of the buff wheel 20 can be made to coincide with the tip of the shaft. As a result, the polishing operation is further facilitated, and the positioning of the buff wheel 20 with respect to the vehicle wheel W is further facilitated. become.

[0015]

The work polishing apparatus according to the present invention is a work polishing apparatus for polishing a work by fitting a buff wheel to a shaft and rotating the shaft around its axis. A retaining member is provided, and the outside of the buff wheel is brought into contact with the retaining member, and a tightening nut is screwed into the inside of the buff wheel on the shaft, and the tightening nut is screwed to the shaft. Since the buff wheel is fastened and fixed to the shaft by moving, a tightening nut and a margin are not required on the outer surface of the buff wheel unlike the related art.

Therefore, when this polishing apparatus is used, since there is almost no protruding portion from the outer surface of the buff wheel, there is no obstacle that hinders the polishing operation, and therefore, the operation efficiency of the polishing operation is easily improved. Things. In particular, when polishing one work with a pair of buff wheels facing each other,
Since the ends of the shafts of these buff wheels do not collide with each other and hinder the movement of the buff wheel, it is easy to sufficiently polish the center of the work.

In addition, since the position of the buff wheel can be hung on the shaft with reference to the outer surface thereof, the outer surface of the buff wheel is not affected by the thickness of the buff wheel. It is easy to position the buff wheel with respect to.

Further, if the buff wheel is formed with an enlarged portion around the shaft hole on the outside and the retaining member can be accommodated in the enlarged portion, the outer surface of the buff wheel can be further attached to the tip of the shaft. As a result of the matching, the polishing operation is easier and the positioning of the buff wheel with respect to the workpiece is easier.

[Brief description of the drawings]

FIG. 1 is a front sectional view of a conventional polishing apparatus.

FIG. 2 is a front sectional view of the polishing apparatus of the present invention.

FIG. 3 is a sectional view of another embodiment.

[Explanation of symbols]

 10… Shaft 20… Buff wheel 231… Enlarged part (recess) 40… Tightening nut 50… Retaining pin (retaining member) W… Vehicle wheel (work)

Claims (2)

[Claims] 1. A work polishing apparatus for fitting a buff wheel to a shaft and polishing the work while rotating the shaft around its axis, wherein a stopper member is provided at a tip portion of the shaft, and the stopper member is provided. The outside of the buff wheel abuts against a stop member, and a tightening nut is screwed into the inside of the buff wheel on the shaft, and the tightening nut is screwed with respect to the shaft. A workpiece polishing device characterized by being fixedly fastened to a shaft. 2. An apparatus for polishing a workpiece according to claim 1, wherein an enlarged diameter portion is formed around the shaft hole on the outside of said buff wheel, and said retaining member can be accommodated in said enlarged diameter portion. .