JPH0647232B2 - Electric polishing device - Google Patents
Electric polishing deviceInfo
- Publication number
- JPH0647232B2 JPH0647232B2 JP63256820A JP25682088A JPH0647232B2 JP H0647232 B2 JPH0647232 B2 JP H0647232B2 JP 63256820 A JP63256820 A JP 63256820A JP 25682088 A JP25682088 A JP 25682088A JP H0647232 B2 JPH0647232 B2 JP H0647232B2
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- eccentric
- fixed
- mounting member
- crankshaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005498 polishing Methods 0.000 title claims description 44
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/12—Tools for fastening artificial teeth; Holders, clamps, or stands for artificial teeth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/04—Portable grinding machines, e.g. hand-guided; Accessories therefor with oscillating grinding tools; Accessories therefor
Description
【発明の詳細な説明】 産業上の利用分野 本発明は金型、貴金属、歯科技工用、その他種々の物品
の表面研磨に用いる電動研磨装置に係るものであって、
手持ち作業により高精度の研磨を短時間で行う事を目的
とするものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric polishing apparatus used for surface polishing of molds, precious metals, dental technicians, and various other articles.
The purpose is to carry out highly accurate polishing in a short time by hand.
従来の技術 従来の電動研磨装置は、研磨工具を回転、揺動、往復等
の単一方向への運動のみが可能であった。そのため、研
磨工具と被加工物の同一部分が繰り返し接触し、傷や偏
摩耗が生じ易い。また、傷や偏摩耗が一度発生すると急
速に進行するものとなる。2. Description of the Related Art A conventional electric polishing apparatus can only rotate, swing, reciprocate, etc., a polishing tool in a single direction. Therefore, the polishing tool and the same portion of the workpiece repeatedly come into contact with each other, and scratches and uneven wear are likely to occur. Further, once scratches and uneven wear occur, they rapidly progress.
これを防止するため、作業者が研磨工具の進退方向と交
差する方向に研磨工具を進退運動させる事が行われてい
る。しかし、作業者の手による進退運動は、電動機で進
退運動を行う場合に比して著しく遅いため、上記欠点を
除去出来ないものであった。In order to prevent this, an operator moves the polishing tool back and forth in a direction intersecting the forward and backward direction of the polishing tool. However, since the forward / backward movement by the operator's hand is significantly slower than the case where the forward / backward movement is performed by the electric motor, the above-mentioned drawback cannot be eliminated.
発明が解決しようとする問題点 本発明は上述のごとき問題点を解決しようとするもので
あって、研磨工具を往復運動とともに往復運動方向軸と
交差する方向に、揺動運動を行わせる。この方法によ
り、研磨工具と被加工物の同一部分が繰り返し接触する
のを防止し、傷や偏摩耗が生じることなく、また作業者
による研磨工具の運動等も不要にして、精密でしかも迅
速な研磨作業を可能にしようとするものである。DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention The present invention is intended to solve the above-mentioned problems, and causes a polishing tool to perform a reciprocating motion and a swing motion in a direction intersecting the reciprocating motion direction axis. By this method, it is possible to prevent the polishing tool and the same part of the workpiece from repeatedly contacting with each other, without causing scratches or uneven wear, and without requiring the operator to move the polishing tool. It aims to enable polishing work.
問題点を解決するための手段 本発明は上述のごとき問題点を解決するため、第１電動
機に接続して回動するエキセン軸に、クランク軸を偏心
回動可能に接続するとともにこのクランク軸に、クラン
ク軸の軸方向と交差する方向にジョイント軸を接続し、
クランク軸の回動に伴って進退運動するジョイント軸
に、研磨工具固定用の固定スピンドルを揺動可能に接続
し、この固定スピンドルを進退可能に装着したメインア
ームを、装着本体に回動軸を介して回動可能に接続する
とともにこのメインアームを、回動軸を介して回動する
振り駒に接続固定し、この振り駒を偏心回動する為の偏
心軸に、前記第１電動機とは別個の、振り子運動用の第
２電動機を接続し、振り駒を振り子運動させて成るもの
である。Means for Solving the Problems In order to solve the above problems, the present invention connects an crank shaft to an eccentric shaft that rotates by connecting to a first electric motor and allows the crank shaft to be eccentrically rotated. , Connect the joint shaft in the direction that intersects the axial direction of the crank shaft,
A fixed spindle for fixing the polishing tool is swingably connected to the joint shaft that moves forward and backward with the rotation of the crankshaft, and the main arm with the fixed spindle mounted so that it can move forward and backward The main arm is rotatably connected via a rotary shaft, and the main arm is connected and fixed to a swing piece that rotates via a rotary shaft. The eccentric shaft for eccentrically rotating the swing piece serves as the first electric motor. A separate second electric motor for pendulum movement is connected to the pendulum for pendulum movement.
また、エキセン軸は、装着部材とこの装着部材内に回動
および固定可能に挿入したエキセンカラーとから成り、
装着部材に設けた装着凹部の軸心を、装着部材の軸心と
は偏心して形成するとともにこの装着部材の装着凹部に
挿入するエキセンカラーに、エキセンカラーの軸心と
は、軸心を偏心した挿入凹部を形成し、この挿入凹部に
クランク軸を装着し、装着部材のエキセンカラー内での
回動により、クランク軸の偏心量を調整し得るものとし
たものであっても良い。The eccentric shaft is composed of a mounting member and an eccentric collar rotatably and fixedly inserted into the mounting member.
The shaft center of the mounting recess provided in the mounting member is formed eccentric to the shaft center of the mounting member, and the shaft center of the eccentric collar inserted into the mounting recess of the mounting member is eccentric. Alternatively, the insertion recess may be formed, the crank shaft may be mounted in the insertion recess, and the eccentric amount of the crank shaft may be adjusted by rotating the mounting member within the eccentric collar.
また、振り駒を振り子運動させる偏心軸は、偏心量調整
用のアジャスト軸を、振り駒とは接触することの無いよ
う、外周に回動および固定可能に固定したものであって
も良い。Further, the eccentric shaft for pendulum-moving the swing piece may be an adjust shaft for adjusting the eccentricity, which is fixed to the outer circumference so as to be rotatable and fixable so as not to come into contact with the swing piece.
またジョイント軸は、固定スピンドルに、ボールジョイ
ントを介して回動可能に接続したものであっても良い。The joint shaft may be rotatably connected to a fixed spindle via a ball joint.
作 用 本発明は上述のごとく構成したものであるから、第１電
動機の回動力によって研磨工具を進退運動させる。同時
に、この研磨工具を固定したスピンドルを、第２電動機
の回動力によって、進退運動軸と交差する方向にメイン
アームで揺動運動する。Operation Since the present invention is configured as described above, the polishing tool is moved forward and backward by the turning force of the first electric motor. At the same time, the spindle to which the polishing tool is fixed is oscillated by the main arm in the direction intersecting the forward / backward movement axis by the turning force of the second electric motor.
このため、研磨工具を往復運動とともに往復運動方向軸
と交差する方向に揺動運動を行わせる事ができる。しか
も、この往復運動と揺動運動を、第１、第２の別個の電
動機により行う。そして、往復運動と揺動運動との運動
速度の比を任意に選択することにより、研磨工具の軌跡
を直線、円、楕円、低次から高次までのリサージュ図形
等を自由に設定出来る。Therefore, it is possible to cause the polishing tool to perform reciprocating motion and swing motion in a direction intersecting the reciprocating motion direction axis. Moreover, the reciprocating motion and the swinging motion are performed by the first and second separate electric motors. Then, by arbitrarily selecting the ratio of the reciprocating motion and the oscillating motion, the trajectory of the polishing tool can be freely set to a straight line, a circle, an ellipse, a Lissajous figure from a low order to a high order, or the like.
そのため、研磨工具と被研磨物の接触部が一部に集中せ
ず、満遍なく接触することができ、傷、偏摩耗等の生じ
ることが極めて少なく、また研磨部分の形状に合わせた
研磨加工が可能となる。Therefore, the contact part of the polishing tool and the object to be polished is not concentrated in one part and can be contacted evenly, scratches, uneven wear, etc. are extremely unlikely to occur, and polishing processing that matches the shape of the polishing part is possible Becomes
本発明の作用を更に具体的に説明すれば、第１電動機を
作動すると、この第１電動機に接触しているエキセン軸
が回動し、このエキセン軸の回動に伴ってクランク軸が
偏心回動する。また、このクランク軸に、クランク軸の
軸方向と交差する方向に接続しているジョイント軸を進
退運動させる。そして、このジョイント軸に接続した、
研磨工具を固定した固定スピンドルを同時に進退運動さ
せる。The operation of the present invention will be described more specifically. When the first electric motor is operated, the eccentric shaft that is in contact with the first electric motor rotates, and the crankshaft rotates eccentrically with the rotation of the eccentric shaft. Move. Further, a joint shaft connected to the crank shaft in a direction intersecting with the axial direction of the crank shaft is moved back and forth. And connected to this joint shaft,
The fixed spindle with the polishing tool fixed is moved back and forth simultaneously.
また、上記第１電動機の作動と同時に、第２電動機を作
動すれば、偏心軸が偏心回動し、この偏心軸に接続した
振り駒を振り子運動させる。この振り駒の振り子運動に
よって、振り駒と連結しているメインアームを揺動す
る。このメインアームには、固定スピンドルを進退可能
に装着しているから、固定スピンドルに固定した研磨工
具は進退運動と、この進退方向軸と交差方向の揺動運動
とを同時に行うものとなる。If the second electric motor is operated at the same time as the operation of the first electric motor, the eccentric shaft is eccentrically rotated, and the swing piece connected to the eccentric shaft is pendulum-moved. By the pendulum movement of the swing piece, the main arm connected to the swing piece is swung. Since the fixed spindle is attached to the main arm so as to be able to advance and retreat, the polishing tool fixed to the fixed spindle simultaneously performs the forward and backward movement and the swinging movement in the direction intersecting with the forward and backward movement axis.
従って、前述のごとく往復運動と揺動運動との運動速度
の比を任意に選択することにより、研磨工具の軌跡を直
線、円、楕円、低次から高次までのリサージュ図形等を
自由に設定出来る。そのため、研磨工具と被研磨物の接
触部が一部に集中せず、満遍なく接触することができ、
傷、偏摩耗等の生じることが極めて少なく、また研磨部
分の形状に合わせた研磨加工が可能となる。Therefore, by freely selecting the ratio of the reciprocating motion and the oscillating motion as described above, the trajectory of the polishing tool can be freely set to a straight line, a circle, an ellipse, or a Lissajous figure from low to high order. I can. Therefore, the contact portion of the polishing tool and the object to be polished is not concentrated in a part, and it is possible to make even contact.
Scratches, uneven wear, etc. are extremely unlikely to occur, and polishing processing that matches the shape of the polishing portion becomes possible.
実施例 以下本発明の一実施例を図面に於いて説明すれば、(１)
は第１電動機で、主動軸(２)の外周に固定したサンギア
ー(３)から、順次、遊星ギアー(４)、インターナルギア
ー(５)を接続して減速機構を構成する。そして、この減
速機構を介してエキセン軸(６)を接続している。Embodiment An embodiment of the present invention will be described below with reference to the drawings. (1)
Is a first electric motor, and a planetary gear (4) and an internal gear (5) are sequentially connected from a sun gear (3) fixed to the outer periphery of the main shaft (2) to form a reduction mechanism. Then, the eccentric shaft (6) is connected through this reduction mechanism.
このエキセン軸(６)は、装着部材(７)と、この装着部材
(７)内に回動および固定自在に装着したエキセンカラー
(８)とから成っている。そして、装着部材(７)に設けた
装着凹部(１０)の軸心を、装着部材(７)の軸心とは偏心
して形成する。また、この装着部材(７)の装着凹部(１
０)に挿入するエキセンカラー(８)にも、エキセンカラ
ー(８)の軸心とは、軸心を偏心した挿入凹部(１１)を形
成する。そして、この挿入凹部(１１)に、クランク軸
(１２)を、軸受(１３)を介して装着する。The eccentric shaft (6) includes a mounting member (7) and the mounting member (7).
(7) An eccentric collar that can be rotated and fixed inside
It consists of (8) and. Then, the axis of the mounting recess (10) provided in the mounting member (7) is formed eccentric to the axis of the mounting member (7). Also, the mounting recess (1) of this mounting member (7)
The eccentric collar (8) to be inserted in (0) also forms an insertion concave portion (11) with the axial center of the eccentric collar (8) eccentric. Then, in the insertion recess (11), the crankshaft
(12) is mounted via the bearing (13).
また、このクランク軸(１２)の偏心量を、装着部材(７)
とエキセンカラー(８)との円周方向の回動により調整す
ることができ、この調整位置を固定螺子(１４)により固
定する。In addition, the eccentricity of the crankshaft (12) is adjusted to the mounting member (7).
This can be adjusted by rotating the eccentric collar (8) and the eccentric collar (8) in the circumferential direction, and the adjustment position is fixed by the fixing screw (14).
そして、上記クランク軸(１２)に、クランク軸(１２)の
軸方向と交差する方向に、ジョイント軸(１５)を接続す
る。また、クランク軸(１２)の回動に伴って進退運動す
るジョイント軸(１５)に、研磨工具(１６)固定用の固定
スピンドル(１７)を、ボールジョイント(１８)を介して
揺動可能に接続している。Then, a joint shaft (15) is connected to the crank shaft (12) in a direction intersecting the axial direction of the crank shaft (12). Further, a fixed spindle (17) for fixing the polishing tool (16) can be swung via a ball joint (18) on a joint shaft (15) that moves back and forth with the rotation of the crank shaft (12). Connected.
また、この固定スピンドル(１７)を進退可能に装着した
メインアーム(２０)を、装着本体(２１)に回動軸(２２)
を介して、回動可能に接続するとともに、側面軸方向の
先端側に、割溝(２３)を設けている。そして、この割溝
(２３)に、摺動自在に装着した装着片(２４)を介して、
研磨工具(１６)のロックネジ(２５)を固定スピンドル
(１７)に設置している。Further, the main arm (20) on which the fixed spindle (17) is mounted so as to be able to move back and forth is attached to the mounting body (21) by the rotating shaft (22).
Is connected rotatably via a through hole, and a split groove (23) is provided at the tip end side in the axial direction of the side surface. And this split groove
(23) via the mounting piece (24) slidably mounted,
Fix the lock screw (25) of the polishing tool (16) to the spindle
It is installed at (17).
また、この固定スピンドル(１７)内には、押圧発条(２
６)の付勢力で、ボールジョイント(１８)を常時押圧す
る。付勢ピストン(２７)を摺動可能に装着し、ジョイン
ト軸(１５)の進退運動を固定スピンドル(１７)に確実に
伝達している。In addition, in the fixed spindle (17), the pressing spring (2
The ball joint (18) is constantly pressed by the urging force of 6). The urging piston (27) is slidably mounted so that the forward / backward movement of the joint shaft (15) is reliably transmitted to the fixed spindle (17).
また、固定スピンドル(１７)を装着したメインアーム
(２０)には、Ｌ字形の振り駒(２８)の一方片(３０)を接
続固定する。そして、この一方片(３０)と直角に位置す
る他方片(３１)に、ジョイント軸(１５)と長さ方向の軸
を平行とする長溝(３２)を形成している。Also, the main arm equipped with the fixed spindle (17)
One piece (30) of the L-shaped swing piece (28) is connected and fixed to (20). Then, in the other piece (31) positioned at a right angle to the one piece (30), a long groove (32) having a longitudinal axis parallel to the joint shaft (15) is formed.
そして、この長溝(３２)に、振り駒(２８)を偏心回動す
る為の、偏心軸(３３)の軸受(３４)を挿入し接続する。
この偏心軸(３３)は、軸受(３４)とは反対側の端部に、
偏心固定した挿入軸(３５)を設け、この挿入軸(３５)
を、スイング軸(３６)に回動、固定可能に挿入する。ま
た、偏心軸(３３)の外周には、振り駒(２８)と接触しな
いようアジャスト軸(３７)を固定し、挿入軸(３５)を介
してスイング軸(３６)に対して回動、固定可能に位置
し、偏心軸(３３)の偏心量を調整可能としている。ま
た、スイング軸(３６)には、前記第１電動機(１)とは別
個の、振り子運動用の第２電動機(３８)を接続してい
る。Then, the bearing (34) of the eccentric shaft (33) for eccentrically rotating the swing piece (28) is inserted into and connected to the long groove (32).
This eccentric shaft (33) is at the end opposite to the bearing (34),
An eccentrically fixed insertion shaft (35) is provided, and this insertion shaft (35)
Is inserted into the swing shaft (36) so that it can be rotated and fixed. Further, an adjusting shaft (37) is fixed to the outer periphery of the eccentric shaft (33) so as not to come into contact with the swing piece (28), and is rotated and fixed with respect to the swing shaft (36) via the insertion shaft (35). It is possible to adjust the eccentricity of the eccentric shaft (33). Further, a second electric motor (38) for pendulum motion, which is separate from the first electric motor (1), is connected to the swing shaft (36).
また、図面中(４０)は前部蓋体で、装着本体(２１)に装
着螺子(４１)で上部を固定し、下端の嵌合凹部(４２)に
装着本体(２１)の嵌合突部(４３)を嵌合固定している。Further, in the drawing, (40) is a front lid body, the upper part of which is fixed to the mounting body (21) by the mounting screw (41), and the fitting protrusion of the mounting body (21) is fitted into the fitting recess (42) at the lower end. (43) is fitted and fixed.
上述のごとく構成したものに於いて、第１電動機(１)を
作動すると、この第１電動機(１)に、サンギアー(３)、
遊星ギアー(４)、インターナルギアー(５)等からなる減
速機構を介して接続しているエキセン軸(６)が回動す
る。このエキセン軸(６)の回動に伴って、クランク軸
(１２)が偏心回動し、このクランク軸(１２)に、クラン
ク軸(１２)の軸方向と交差する方向に接続しているジョ
イント軸(１５)を進退運動させる。When the first electric motor (1) is operated in the structure as described above, the sun gear (3),
The eccentric shaft (6), which is connected via a reduction mechanism including a planetary gear (4) and an internal gear (5), rotates. With the rotation of the eccentric shaft (6), the crankshaft
The eccentric rotation of (12) causes the joint shaft (15) connected to the crank shaft (12) in a direction intersecting with the axial direction of the crank shaft (12) to move back and forth.
そして、このジョイント軸(１５)にボールジョイント
(１８)を介して接続し、研磨工具(１６)を固定した固定
スピンドル(１７)を、メインアーム(２０)内で同時に進
退運動させる。And ball joint to this joint shaft (15)
The fixed spindle (17) connected via (18) and fixed to the polishing tool (16) is simultaneously moved back and forth in the main arm (20).
また、上記第１電動機(１)の作動と同時に第２電動機
(３８)を作動すれば、スイング軸(３６)を介して偏心軸
(３３)が偏心回動し、この偏心軸(３３)に接続したＬ字
型の振り駒(２８)を振り子運動させる。At the same time as the operation of the first electric motor (1), the second electric motor
When (38) is activated, the eccentric shaft is moved through the swing shaft (36).
(33) rotates eccentrically, and causes the L-shaped swing piece (28) connected to this eccentric shaft (33) to perform a pendulum motion.
この振り駒(２８)の振り子運動によって、振り駒(２８)
と連結しているメインアーム(２０)を揺動する。このメ
インアーム(２０)には、固定スピンドル(１７)を進退可
能に装着しているから、固定スピンドル(１７)に固定し
た研磨工具(１６)は進退運動と、この進退方向軸と交す
る揺動運動とを同時に行うものとなる。By the pendulum movement of this swing piece (28), the swing piece (28)
The main arm (20) connected to is rocked. Since the fixed spindle (17) is attached to the main arm (20) so as to be able to move forward and backward, the polishing tool (16) fixed to the fixed spindle (17) moves forward and backward and swings to intersect with the forward and backward direction axis. It will be performed at the same time as the dynamic movement.
しかも、この往復運動と揺動運動を、第１、第２の別個
の電動機により行うから、往復運動と揺動運動との運動
速度の比を任意に選択することにより、研磨工具(１６)
の軌跡を直線、円、楕円、低次から高次までのリサージ
ュ図形等を自由に設定出来る。そのため、研磨工具(１
２)と被研磨物の接触部が一部に集中せず、満遍なく接
触することができ、傷、偏摩耗生じることが極めて少な
く、また研磨部分の形状に合わせた研磨加工が可能とな
る。Moreover, since the reciprocating motion and the oscillating motion are performed by the first and second separate electric motors, the polishing tool (16) is selected by arbitrarily selecting the ratio of the reciprocating motion and the oscillating motion.
The locus of can be freely set to a straight line, a circle, an ellipse, a Lissajous figure from low order to high order, etc. Therefore, polishing tools (1
The contact portion of 2) and the object to be polished are not concentrated in one part and can be evenly contacted, the occurrence of scratches and uneven wear is extremely small, and the polishing processing according to the shape of the polished portion becomes possible.
発明の効果 本発明は上述のごとく構成したものであるから、研磨工
具は進退運動と、この進退方向軸と交差方向の揺動運動
とを同時に行うものとなる。しかも、この往復運動と揺
動運動を、第１、第２の別個の電動機により行うから、
往復運動と揺動運動との運動速度の比を任意に選択する
ことにより、研磨工具の軌跡を直線、円、楕円、低次か
ら高次までのリサージュ図形等を自由に設定出来る。EFFECTS OF THE INVENTION Since the present invention is configured as described above, the polishing tool simultaneously performs the forward / backward movement and the swinging movement in the direction intersecting the forward / backward direction axis. Moreover, since the reciprocating motion and the swinging motion are performed by the first and second separate electric motors,
By arbitrarily selecting the ratio of the reciprocating motion and the oscillating motion, it is possible to freely set the trajectory of the polishing tool as a straight line, a circle, an ellipse, a Lissajous figure from a low order to a high order, or the like.
そのため、研磨工具と被研磨物の接触部が一部に集中せ
ず、満遍なく接触することができ、傷、偏摩耗生じるこ
とが極めて少なく、また研磨部分の形状に合わせた研磨
加工が可能となる。Therefore, the contact portion of the polishing tool and the object to be polished is not concentrated on one part and can be contacted evenly, scratches and uneven wear are extremely unlikely to occur, and polishing processing according to the shape of the polishing portion is possible. .
図面は本発明の一実施例を示すものであって、第１図は
断面図、第２図は前部蓋体を取り除いた状態の第１図の
Ａ−Ａ線断面図である。 (１)……第一電動機、(６)……エキセン軸 (７)……装着部材、(８)……エキセンカラー (10)……装着凹部、(11)……挿入凹部 (12)……クランク軸、(15)……ジョイント軸 (16)……研磨工具、(17)……固定スピンドル (18)……ボールジョイント、(20)……メインアーム (21)……装着本体、(22)……回動軸 (28)……振り駒、(33)……偏心軸 (37)……アジャスト軸、(38)……第２電動機The drawings show an embodiment of the present invention, in which FIG. 1 is a sectional view and FIG. 2 is a sectional view taken along the line AA in FIG. 1 with a front cover removed. (1) …… First motor, (6) …… Eccentric shaft (7) …… Mounting member, (8) …… Eccentric collar (10) …… Mounting recess, (11) …… Insertion recess (12)… … Crankshaft, (15) …… Joint shaft (16) …… Polishing tool, (17) …… Fixed spindle (18) …… Ball joint, (20) …… Main arm (21) …… Mounting body, ( 22) …… Rotating shaft (28) …… Swing piece, (33) …… Eccentric shaft (37) …… Adjust shaft, (38) …… Second motor
Claims (4)
に、クランク軸を偏心回動可能に接続するとともにこの
クランク軸に、クランク軸の軸方向と交差する方向にジ
ョイント軸を接続し、クランク軸の回動に伴って進退運
動するジョイント軸に、研磨工具固定用の固定スピンド
ルを揺動可能に接続し、この固定スピンドルを進退可能
に装着したメインアームを、装着本体に回動軸を介して
回動可能に接続するとともにこのメインアームを、回動
軸を介して回動する振り駒に接続固定し、この振り駒を
偏心回動する為の偏心軸に、前記第１電動機とは別個
の、振り子運動用の第２電動機を接続し、振り駒を振り
子運動させる事を特徴とする電動研磨装置。1. A crankshaft is eccentrically rotatably connected to an eccentric shaft that rotates by connecting to a first electric motor, and a joint shaft is connected to this crankshaft in a direction intersecting with the axial direction of the crankshaft. , A joint spindle that moves forward and backward with the rotation of the crankshaft is swingably connected to the fixed spindle for fixing the polishing tool, and the main arm equipped with the fixed spindle so that the spindle can move forward and backward The main arm is rotatably connected via a rotary shaft, and the main arm is connected and fixed to a swing piece which rotates via a rotary shaft. The eccentric shaft for eccentrically rotating the swing piece is connected to the first electric motor. Is a separate electric motor for pendulum movement, and the pendulum movement is performed on the pendulum.
に回動および固定可能に挿入したエキセンカラーとから
成り、装着部材に設けた装着凹部の軸心を、装着部材の
軸心とは偏心して形成するとともにこの装着部材の装着
凹部に挿入するエキセンカラーに、エキセンカラーの軸
心とは、軸心を偏心した挿入凹部を形成し、この挿入凹
部にクランク軸を装着し、装着部材のエキセンカラー内
での回動により、クランク軸の偏心量を調整し得るもの
としたことを特徴とする請求項１記載の電動研磨装置。2. An eccentric shaft is composed of a mounting member and an eccentric collar inserted into the mounting member so as to be rotatable and fixed. The shaft center of a mounting recess provided in the mounting member is the shaft center of the mounting member. The eccentric collar, which is formed eccentrically and is inserted into the mounting recess of this mounting member, has an eccentric collar with an eccentric insertion recess, and a crankshaft is mounted in this insertion recess to mount the mounting member. The electric polishing apparatus according to claim 1, wherein the amount of eccentricity of the crankshaft can be adjusted by rotating the eccentric collar.
量調整用のアジャスト軸を、振り駒とは接触することの
無いよう、外周に回動および固定可能に固定したもので
あることを特徴とする請求項１記載の電動研磨装置。3. An eccentric shaft for pendulum movement of a swing piece is an eccentricity adjusting adjust shaft fixed to the outer circumference so as to be rotatable and fixable so as not to come into contact with the swing piece. The electric polishing apparatus according to claim 1, which is characterized in that.
ルジョイントを介して回動可能に接続したものであるこ
とを特徴とする請求項１記載の電動研磨装置。4. The electric polishing apparatus according to claim 1, wherein the joint shaft is rotatably connected to a fixed spindle via a ball joint.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63256820A JPH0647232B2 (en) | 1988-10-12 | 1988-10-12 | Electric polishing device |
| IT06787189A IT1238115B (en) | 1988-10-12 | 1989-10-11 | ABRASIVE EQUIPMENT OPERATED BY A MOTOR |
| DE3933885A DE3933885A1 (en) | 1988-10-12 | 1989-10-11 | Electrically driven grinding tool - has two motors which impart two oscillating motions to grinding head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63256820A JPH0647232B2 (en) | 1988-10-12 | 1988-10-12 | Electric polishing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02106265A JPH02106265A (en) | 1990-04-18 |
| JPH0647232B2 true JPH0647232B2 (en) | 1994-06-22 |
Family
ID=17297888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63256820A Expired - Lifetime JPH0647232B2 (en) | 1988-10-12 | 1988-10-12 | Electric polishing device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPH0647232B2 (en) |
| DE (1) | DE3933885A1 (en) |
| IT (1) | IT1238115B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5482499A (en) * | 1993-11-18 | 1996-01-09 | Ryobi Limited | Sanding apparatus |
| CN201061862Y (en) * | 2007-06-25 | 2008-05-21 | 南京德朔实业有限公司 | Electric grinding tool |
| DE102014109904A1 (en) * | 2014-07-15 | 2016-01-21 | C. & E. Fein Gmbh | Random Orbit Sander |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3702937A1 (en) * | 1987-01-31 | 1988-08-11 | Eoc Normalien Gmbh & Co Kg | Method for polishing and polishing device |
-
1988
- 1988-10-12 JP JP63256820A patent/JPH0647232B2/en not_active Expired - Lifetime
-
1989
- 1989-10-11 IT IT06787189A patent/IT1238115B/en active IP Right Grant
- 1989-10-11 DE DE3933885A patent/DE3933885A1/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3933885A1 (en) | 1990-04-19 |
| DE3933885C2 (en) | 1991-09-19 |
| JPH02106265A (en) | 1990-04-18 |
| IT1238115B (en) | 1993-07-07 |
| IT8967871A0 (en) | 1989-10-11 |
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