Grinding wheel mounting apparatus

Abstract

Provided is a grinding wheel mounting apparatus that reduces the weight of a grinding wheel to be replaced, enabling the grinding wheel to be easily mounted on a grinding wheel flange while ensuring centering precision. Thus, a grinding wheel mounting shaft (23a) on which the inner peripheral surface (25a) of the grinding wheel (19) is mounted is provided to the grinding wheel flange (23); an introduction and mating section (23a1) having a smaller dimension in the radial direction than the diameter dimension of the inner peripheral surface of the grinding wheel is formed on the outer periphery of the grinding wheel mounting shaft; an arc-shaped mating protruding section (23a2), which concentrically mates with and holds the grinding wheel on the grinding wheel mounting shaft, is formed over an angular range of less than 180 DEG at the base end of the introduction and mating section; a relief section (23a3) having a smaller dimension in the radial direction than the introduction and mating section is separated from the mating protruding section in the axial direction at the shaft end side of the grinding wheel mounting shaft on the introduction and mating section, and is formed over a predetermined angular range at a position facing the mating protruding section in the circumferential direction.

Description

technical field [0001] The present invention relates to a grinding wheel mounting device, and more particularly to a grinding wheel mounting device capable of mounting a grinding wheel to a grinding wheel flange easily and ensuring centering accuracy. Background technique [0002] Patent Document 1 describes a structure in which the grinding wheel is dressed by a grinding wheel dressing device outside the machine tool of the grinding machine, and the grinding wheel is attached to the grinding machine by the same attachment standard. [0003] For the structure described in Patent Document 1, between the mounting surface (outer peripheral surface) of each grinding wheel spindle of the grinding wheel dressing device and the grinding machine and the mounting hole (inner peripheral surface) of the grinding wheel mounted on the mounting surface, a There is a gap to the extent that the grinding wheel is easily fitted to the grinding wheel shaft, so that the work of attaching the gr...

AI Technical Summary

Problems solved by technology

Therefore, whenever the grinding wheel is replaced, it is necessary to remove the heavy grinding wheel sleeve from the grinding wheel shaft, and install the heavy grinding wheel sleeve on the grinding wheel shaft, so that the workability of grinding wheel replacement is poor, resulting in the need for grinding wheel replacement. The problem of time growth

[0010] And, in the structure described in Patent Document 2, if the protruding amount of the arc-shaped grinding wheel mounting portion (6a) formed on the protrusion (6) of the grinding wheel sleeve (5) is small, the grinding wheel holder (2 ) becomes smaller, making it difficult to install the grinding wheel holder (2) on the grinding wheel mounting portion (6a) of the grinding wheel sleeve (5)

Therefore, in order to facilitate the attachment of the grinding wheel holder (2), it is necessary to increase the amount of protrusion of the grinding wheel mounting portion (6a), which has the problem of increasing the rotational imbalance of the grinding wheel sleeve (5).

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