Polishing unit and polishing method by polishing unit

Abstract

Disclosed is a polishing unit wherein a main body part (11) and a lid (12) of a barrel tank (10) are respectively interchangeable, and the lid (12) and the barrel tank (10) can be reliably secured to the main body part (11) of the barrel tank (10) and the barrel tank case (20), respectively. The barrel tank (10) has a lid securing member (14) for securing the lid (12) to the main body part (11). The barrel tank case (20) includes a tray (21) for mounting and holding the barrel tank (10) thereon, a barrel tank securing member (22) for securing the barrel tank (10) to the tray (21), and a pair of guide parts (23) capable of moving the barrel tank securing member (22) in a horizontal direction. The barrel tank securing member (22) includes a pressing member (22a) which is placed over a position facing the tray (21) so as to be able to press the barrel tank (10) vertically downward and presses the barrel tank (10), and, as a positioning member which when the barrel tank securing member (22) is mounted, restricts the movement of the barrel tank securing member (22) using the guide parts (23) as a reference, a convex member (22c) and a protruding member (22d).

Description

technical field [0001] This application claims the priority of Japanese Patent Application No. 2010-216294 (filing date: September 28, 2010), title of the invention "grinding unit", and the entire content of this application is incorporated in this specification by reference. [0002] The present invention relates to a grinding unit used in a centrifugal drum grinding device and a grinding method of a centrifugal drum grinding device equipped with the grinding unit. Background technique [0003] For a long time, in order to deburr, fillet, polish and grind the object to be ground (workpiece), the following centrifugal drum grinding device has been widely used: put the workpiece and grinding media in the drum groove, and make the drum groove Since it revolves, the grinding medium flows to grind the workpiece. [0004] A conventional polishing unit used in such a centrifugal barrel polishing device is disclosed in Patent Document 1, for example. [0005] Figure 4 An example...

AI Technical Summary

Problems solved by technology

Therefore, if the main body 111 and the cover 112 do not match, the amount of space may exceed the specified range, so the main body 111 and the cover 112 do not have the interchangeability with respect to other covers and the main body, and there is a problem that the drum groove cannot be effectively carried out. 110 disassembly operation problem

In addition, the magnitude of the pressing force and the direction in which the pressing force acts depend on the eccentricity of the cam 124 and the clearance between the cam 124 and the shoulder 113, so it is difficult to control the pressing force in a certain direction with a certain value. question

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