JPH01121644U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

図面はこの考案研磨工具の実施例を示すもので
、第１図は縦断正面図、第２図は縦断側面図、第
３図は底面図、第４図は横断平面図、第５図は別
の実施例の側面図、第６図は同砥石保持部の正面
図である。 １……蓋ケース、２……主軸、２ａ……偏心軸
、３……軸承本体、３ａ……ばね孔、４，５，６
，７……軸受、８……スライダー、８ａ……前後
内側面、８ｂ……左右内側面、９……クロスロー
ラガイド、１０……コイルばね、１１……保持体
、１１ａ……円弧案内面、１２……係嵌溝、１３
……クロスローラガイド、１４……円弧溝、１５
……砥石ホルダー、１６……砥石、１７……ピン
、１８……中間保持体、１８ａ……円弧案内面、
１９……円弧溝、２０……ピン、２１……固定袋
ナツト。 The drawings show an embodiment of this devised polishing tool, and Fig. 1 is a vertical front view, Fig. 2 is a longitudinal side view, Fig. 3 is a bottom view, Fig. 4 is a cross-sectional plan view, and Fig. 5 is a separate view. FIG. 6 is a side view of the embodiment, and FIG. 6 is a front view of the same grindstone holder. 1...Lid case, 2...Main shaft, 2a...Eccentric shaft, 3...Bearing body, 3a...Spring hole, 4, 5, 6
, 7... Bearing, 8... Slider, 8a... Front and rear inner surfaces, 8b... Left and right inner surfaces, 9... Cross roller guide, 10... Coil spring, 11... Holder, 11a... Arc guide surface , 12... Fitting groove, 13
...Cross roller guide, 14...Circular groove, 15
... Grindstone holder, 16 ... Grindstone, 17 ... Pin, 18 ... Intermediate holder, 18a ... Arc guide surface,
19...Circular groove, 20...Pin, 21...Fixing bag nut.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 内側面の軸受５を介装して設けた軸承本体３に
挿通して蓋ケース１中心に垂直支承された先端が
偏心軸２ａの主軸２と、上記軸承本体３と前後内
側面８ａ及び左右内側面８ｂの少なくとも一方と
の間にクロスローラガイド９及びコイルばね１０
を夫々介装して左右方向滑動自在に装設したスラ
イダー８と、該スライダー８下面にクロスローラ
ガイド１３を介装すると共に係嵌溝１２に前記偏
心軸２ａを係嵌して主軸２の回転で前後滑動自在
に設けた保持体１１と、該保持体１１に少なくと
も前後方向円弧揺動自在に枢着した先端に砥石１
６を有する砥石ホルダー１５とからなる研磨工具
。 The tip of the main shaft 2 of the eccentric shaft 2a, which is inserted into the bearing main body 3 provided with a bearing 5 interposed therebetween and is vertically supported at the center of the lid case 1, connects the bearing main body 3 with the front and rear inner surfaces 8a, and the left and right inner surfaces. A cross roller guide 9 and a coil spring 10 are provided between at least one of the side surfaces 8b.
A slider 8 is installed so as to be slidable in the left and right directions, and a cross roller guide 13 is installed on the lower surface of the slider 8, and the eccentric shaft 2a is fitted into the fitting groove 12 to rotate the main shaft 2. A holder 11 is provided so as to be slidable back and forth, and a whetstone 1 is attached to the tip of the holder 11 so as to be swingable in an arc at least in the back and forth direction.
A polishing tool consisting of a whetstone holder 15 having a grinding wheel holder 6.