JPH01163058U - - Google Patents

Description

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

第１図は本考案のラツピング機の全体構成を示
す一部切欠側面図、第２図は本考案ラツピング機
に適用する被研磨体保持器の拡大縦断面図、第３
図は本考案ラツピング機に適用する加工圧制御装
置を示すフローチヤート、第４図はラツピング処
理する被研磨体の真円度を示す線図、第５図は本
考案ラツピング機で処理した被研磨体の真円度を
示す線図、第６図は圧力制御装置を適用していな
いラツピング機で処理した被研磨体の真円度を示
す線図、第７図は従来のラツピング機を示す斜視
図、第８図Ａ，Ｂは従来のラツピング機における
加圧力の変動を吸収する機構を示す要部切欠断面
正面図、要部切欠断面側面図である。 符号の名称は以下の通りである。２０……基台
、２１……支持フレーム、２１ａ……支持フレー
ム上部先端部、２２……回転駆動軸、２３……軸
受体、２４……旋回アーム、２５……スライダ、
２６……定盤回転器、２７……定盤、２８……被
研磨体、２８ａ……被研磨体支持軸、２９……被
研磨体保持器、１０１……スラスト軸受室、１０
２……ばね保持室、１０３……軸受、１０４……
ばね受筒、１０５……圧力検出器、１０６……ば
ね受座、１０７……ステツプモータ、１０８……
ばね受座、１０９……コイルばね、１１０……ス
テツプモータ回転軸、１１１……球面軸受座、２
５１……スライダの球面軸受、ｘ……回転駆動軸
の軸芯、ｙ……被研磨体保持器の軸芯、Ｇ……球
芯点、Ａ……比較演算器、Ｂ……モータドライバ
、Ｃ……定盤回転器および回転駆動軸のモータ。 Fig. 1 is a partially cutaway side view showing the overall configuration of the wrapping machine of the present invention, Fig. 2 is an enlarged longitudinal cross-sectional view of a holder for polished objects applied to the wrapping machine of the present invention, and Fig.
The figure is a flowchart showing the processing pressure control device applied to the wrapping machine of the present invention, Figure 4 is a diagram showing the roundness of the polished object to be wrapped, and Figure 5 is the polished object processed by the wrapping machine of the present invention. Figure 6 is a diagram showing the roundness of a polished object processed by a wrapping machine that does not have a pressure control device; Figure 7 is a perspective view of a conventional wrapping machine. 8A and 8B are a cutaway front view and a cutaway side view of a main part showing a mechanism for absorbing pressure fluctuations in a conventional wrapping machine. The names of the codes are as follows. 20...Base, 21...Support frame, 21a...Top end of support frame, 22...Rotation drive shaft, 23...Bearing body, 24...Swivel arm, 25...Slider,
26... Surface plate rotator, 27... Surface plate, 28... Polished object, 28a... Polished object support shaft, 29... Polished object holder, 101... Thrust bearing chamber, 10
2... Spring holding chamber, 103... Bearing, 104...
Spring receiver, 105... Pressure detector, 106... Spring receiver, 107... Step motor, 108...
Spring bearing seat, 109... Coil spring, 110... Step motor rotating shaft, 111... Spherical bearing seat, 2
51... Spherical bearing of slider, x... Axis of rotational drive shaft, y... Axis of polished object holder, G... Spherical center point, A... Comparison calculator, B... Motor driver, C... Surface plate rotator and rotary drive shaft motor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 支持フレームに枢着された回転駆動軸の軸芯延
長上に、被研磨体の求心点が位置する如く受容す
る回転自在のラツピング用定盤を対設し、前記回
転駆動軸にはこの回転駆動軸の軸芯を公転する旋
回アームを枢着し、この旋回アームには前記回転
駆動軸の軸芯に対し所定の角度で交叉する軸芯の
延長線方向へ進退自在とした被研磨体保持器を具
備してなる他、この被研磨体保持器の負荷する加
工圧力値及びその変動値を検出する加工圧力検出
部と、この加工圧力検出部で検出された実測加工
圧力値と基準設定圧力値とを比較演算する比較演
算部と、比較演算部でえられた演算値に基ずき加
工圧力を調整する加工圧力調整部並びに前記演算
値が設定変動圧力値を超えた時に加工圧力を減ず
ると共に駆動源を停止させる異常検出部とからな
る加圧制御装置を設けてなることを特徴とする加
圧制御装置を具備した球面ラツピング機。 A rotatable wrapping surface plate that receives the centripetal point of the object to be polished so as to be positioned is provided on the axial extension of a rotary drive shaft pivotally connected to the support frame, and the rotary drive shaft A rotating arm that revolves around the axis of the shaft is pivotally mounted, and the rotating arm has a holder for the object to be polished that can move forward and backward in the direction of the extension of the axis that intersects the axis of the rotary drive shaft at a predetermined angle. In addition, it is equipped with a machining pressure detection unit that detects the machining pressure value loaded on the polished object holder and its fluctuation value, and an actual machining pressure value detected by this machining pressure detection unit and a reference setting pressure value. a comparison calculation section that performs a comparison calculation between A spherical wrapping machine equipped with a pressurization control device, characterized in that the pressurization control device is provided with an abnormality detection section for stopping a drive source.