JPS5898163U

JPS5898163U - Sponge grindstone mounting device

Info

Publication number: JPS5898163U
Application number: JP19795981U
Authority: JP
Inventors: 博田中
Original assignee: 日本レヂボン株式会社
Priority date: 1981-12-25
Filing date: 1981-12-25
Publication date: 1983-07-04
Also published as: JPS6216280Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

図面は本考案の実施例を示し、第１図は装着時の縦断面
図、第２図は分解した状態の縦断面図、第３図は固定着
脱具の平面図、第４図はスポンジ砥石の平面図、第５図
は挾持用ナツトの平面図である。１・・・・・・グラインダ、２・・・・・・回転軸、４
・・・・・・固定　　゛着脱具、４ａ・・・・・・凹陥
部、５・・・・・・ボス部、５ａ・・・・・・切欠き面
、６・・・・・・突出部、８・・・・・・スポンジ砥石
、９・・・・・・中心孔、１０・・・・・・裏当て材、
１１・・・・・・中心孔、１２・・・・・・ナツト、１
３・・・・・・中醇、１５””−膨出部、１６・・・・
・・切欠き部、１７・・・・・・係止凹溝。The drawings show an embodiment of the present invention; Fig. 1 is a longitudinal cross-sectional view when installed, Fig. 2 is a longitudinal cross-sectional view of the disassembled state, Fig. 3 is a plan view of the fixing attachment/detachment tool, and Fig. 4 is a sponge grindstone. FIG. 5 is a plan view of the clamping nut. 1... Grinder, 2... Rotating shaft, 4
・・・・・・Fixation ゛Attachment/detaching tool, 4a...Recessed part, 5...Boss part, 5a...Notch surface, 6...Protrusion Part 8...Sponge grindstone, 9...Center hole, 10...Backing material,
11... Center hole, 12... Nut, 1
3...Middle volume, 15""-bulging part, 16...
... Notch, 17... Locking groove.

Claims

[Scope of utility model registration request]

(1) The central part is recessed in the shape of a truncated cone, and a cylindrical boss part that can be removably screwed onto the rotating shaft of the grinder and has a notched surface on the outer periphery is erected at the center of the recessed part. At the same time, a fixing attachment/detachment tool having a plurality of protrusions protruding horizontally at equal circumferential pitches on the outer periphery of the tip of the boss part is screwed and fixed to the rotating shaft of the grinder at the boss part. On the other hand, the back surface of a ring plate-shaped sponge grindstone having a center hole with a diameter substantially equal to the recessed part has a shape that allows the boss part and the protruding part of the fixing attachment/detachment tool to be inserted through the center thereof, and is prevented from rotating by the notch surface. A disk-shaped hard elastic backing material having a center hole is adhered thereto, and has an outer diameter that can be fitted into the center hole of the sponge grinding wheel, and a boss portion of the fixing/detaching tool above the center point. has a center hole through which the fixing attachment/removal tool can be inserted, and on the periphery of the center hole, a notch through which the protrusion of the fixing attachment/detachment tool can be inserted and a locking groove into which the protrusion is fitted and locked are alternately arranged at equal pitches. A clamping nut formed of After the nut is fitted by inserting the center hole and notch of the nut into the boss part and the protruding part, the nut is rotated while being pressed against the elasticity of the backing material, and the locking recess of the nut is inserted. A sponge grindstone mounting device, characterized in that the sponge grindstone is clamped by a fixed attachment/detachment tool with a nut by locking the protrusion in the groove, and is mounted on the rotating shaft of a grinder.

(2) A sponge whetstone according to claim i (t) in which the periphery of the center hole on the back side of the nut is formed into a bulged part that bulges out in a truncated cone shape corresponding to the recessed part of the fixing attachment/detaching tool. mounting device.