JPH0780119B2 - Grinding machine - Google Patents
Grinding machineInfo
- Publication number
- JPH0780119B2 JPH0780119B2 JP16217684A JP16217684A JPH0780119B2 JP H0780119 B2 JPH0780119 B2 JP H0780119B2 JP 16217684 A JP16217684 A JP 16217684A JP 16217684 A JP16217684 A JP 16217684A JP H0780119 B2 JPH0780119 B2 JP H0780119B2
- Authority
- JP
- Japan
- Prior art keywords
- ground
- rotating member
- flat
- rotation
- grindstones
- 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 - Fee Related
Links
- 238000005452 bending Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） この発明は、２枚の平砥石を有する研削装置に関するも
のである。TECHNICAL FIELD The present invention relates to a grinding apparatus having two flat grindstones.
（従来の技術及び解決しようとする課題） 従来、複数個の砥石を同一軸上または同一平面上にある
軸に取付けて研削する装置として、特開昭50−53988号
公報，特開昭57−54065号公報，特開昭58−28459号公
報，実開昭55−16935号公報に記載されたものがある。(Prior art and problem to be solved) Conventionally, as a device for grinding by attaching a plurality of grindstones to a shaft on the same axis or on the same plane, JP-A-50-53988 and JP-A-57-57988 54065, JP-A-58-28459, and JP-A-55-16935.
しかしながら、これらは、単に砥石枚数を増して１往復
の研削量を増大したものにすぎず、被研削材の大きな曲
りに対する対応がなされておらず、左右の砥石の研削面
がともに被研削面に対して全面的に接するようにした
り、左右の砥石の摩耗を均等なものにしようとする配慮
もなされていない。However, these are merely those in which the number of grindstones is increased to increase the amount of grinding in one reciprocation, and no large bending of the material to be ground is dealt with. In contrast, no consideration has been given to making contact with the entire surface or even wear on the left and right wheels.
そこで、本発明は、それら従来の欠点を解決した研削装
置を提供することを課題とする。Then, this invention makes it a subject to provide the grinding device which solved those conventional faults.
（課題を解決するための手段） 上記課題を解決するために、本発明に係る研削装置は、
図１及び図２にその原理を示すように、回動軸線回りに
回動可能な回動部材Ｙと、回動部材Ｙに対して設けられ
その回動軸線とほぼ直角方向に交差する回転軸Ｊと、相
互間に所定の間隔を有しともに同径で偏平な円柱状をな
し、回転軸Ｊに対して同心的に設けられ回転軸Ｊの回転
に伴って回転することによってその外周部において被研
削面Ｍの研削を行う２枚の平砥石G1,G2と、回動部材Ｙ
に対して設けられ、被研削面Ｍの曲がり度合いと回動部
材Ｙの回動度合いとの関係に応じて生じる各平砥石G1,G
2の被研削面Ｍに対する圧接力R1,R2の差に対応する値を
検出する荷重検出器と、その荷重検出器の検出結果に基
づいて、各平砥石G1,G2の被研削面Ｍに対する圧接力R1,
R2の差に対応する値がほぼゼロとなるように回動部材Ｙ
の回動度合いを調整するフィードバック制御装置とを有
することを特徴とする。(Means for Solving the Problems) In order to solve the above problems, the grinding apparatus according to the present invention is
As shown in the principle in FIGS. 1 and 2, a rotary member Y rotatable about a rotary axis, and a rotary shaft provided on the rotary member Y and intersecting the rotary axis substantially at a right angle. J has a predetermined space between them and has a flat columnar shape with the same diameter and is provided concentrically with respect to the rotation axis J and rotates with the rotation of the rotation axis J so that its outer peripheral portion Two flat grindstones G 1 and G 2 for grinding the surface M to be ground and a rotating member Y
For each of the flat grindstones G 1 and G that are provided in accordance with the relationship between the degree of bending of the surface M to be ground and the degree of rotation of the rotating member Y.
2 is a load detector that detects a value corresponding to the difference between the pressure contact forces R 1 and R 2 with respect to the surface M to be ground, and based on the detection result of the load detector, the grindstone of each of the flat grindstones G 1 and G 2 Pressure contact force R 1 on surface M,
The rotating member Y is adjusted so that the value corresponding to the difference in R 2 becomes almost zero.
And a feedback control device that adjusts the degree of rotation of the.
（作用・効果） 本発明においては、被研削面Ｍの曲がり度合いと前記回
動部材Ｙの回動度合いとの関係に応じて生じる各平砥石
G1,G2の被研削面Ｍに対する圧接力R1,R2の差に対応する
値が、荷重検出器によって検出される。そして、その荷
重検出器の検出結果に基づいて、フィードバック制御装
置により、前記回動部材Ｙの回動度合いが調整され、両
平砥石G1,G2の被研削面Ｍに対する圧接力R1,R2がほぼ同
一となるようにされる。(Operation / Effect) In the present invention, each flat grindstone generated according to the relationship between the degree of bending of the surface M to be ground and the degree of rotation of the rotating member Y.
A value corresponding to the difference between the pressure contact forces R 1 and R 2 of G 1 and G 2 on the surface M to be ground is detected by the load detector. Then, based on the detection result of the load detector, the degree of rotation of the rotating member Y is adjusted by the feedback control device, and the pressure contact force R 1 of the flat grindstones G 1 and G 2 against the surface M to be ground R 1 , R 2 is made to be almost the same.
このため、両平砥石G1,G2の研削面（外周部）が被研削
面Ｍに対してともに全面的に接することとなり、被研削
面Ｍが滑らかに研削される。For this reason, the ground surfaces (outer peripheral portions) of both flat grindstones G 1 and G 2 are in contact with the surface M to be ground, and the surface M to be ground is smoothly ground.
また、両平砥石G1,G2の摩耗度合いがほぼ同一となり、
両平砥石G1,G2全体としての耐久性が増すこととなる。Also, the wear levels of both flat grindstones G 1 and G 2 are almost the same,
Both flat grindstones G 1 and G 2 will have increased durability as a whole.
（実施例） 次に、この発明の一実施例を図面に基づいて説明する。(Embodiment) Next, an embodiment of the present invention will be described with reference to the drawings.
第３図及び第４図に示すように、研削装置１の基台２の
上面には、フレーム３が、第４図中左右方向に転動自在
に取付けられている。そして、このフレーム３は、基台
２上の基端４に設けられた進退動シリンダー５によって
その第４図中左右方向に進退動するようにされている。As shown in FIGS. 3 and 4, a frame 3 is attached to the upper surface of the base 2 of the grinding device 1 so as to be rotatable in the left-right direction in FIG. The frame 3 is moved forward and backward in the left-right direction in FIG. 4 by a forward-backward moving cylinder 5 provided at a base end 4 on the base 2.
また、フレーム３に対しては、上下回動部材12が、バラ
ンス用シリンダ６によって、支点Ｐ（第７図参照）を中
心に回動可能に支持されている。Further, with respect to the frame 3, a vertical rotating member 12 is supported by a balancing cylinder 6 so as to be rotatable around a fulcrum P (see FIG. 7).
両平砥石G1,G2を主体とするヘッド部10においては、第
５図〜第７図に示すように、両平砥石G1,G2の被研削面
に対する圧接力R1,R2が、調整可能とされている。すな
わち、上下回動部材12に対して、回動部材16が、回動シ
リンダ14によって、回動軸15（回動軸線Ｃ）を中心に回
動可能に設けられている。このため、回動部材16の回動
度合いによって、両平砥石G1,G2の被研削面に対する圧
接力が調整されるのである。In the head portion 10 mainly composed of the both flat grindstones G 1 and G 2, as shown in FIGS. 5 to 7, the pressure contact forces R 1 and R 2 of the both flat grindstones G 1 and G 2 against the surface to be ground are used. However, it is supposed to be adjustable. That is, the rotating member 16 is provided so as to be rotatable about the rotating shaft 15 (rotating axis C) by the rotating cylinder 14 with respect to the vertical rotating member 12. Therefore, the pressure contact force of the flat grindstones G 1 and G 2 with respect to the surface to be ground is adjusted depending on the degree of rotation of the rotating member 16.
この回動シリンダ14の駆動は、第８図中に示す電気油圧
サーボ弁31によってなされる。なお、Ａは油圧源であ
り、Ｖは戻り油タンクである。The rotation cylinder 14 is driven by an electrohydraulic servo valve 31 shown in FIG. In addition, A is a hydraulic pressure source and V is a return oil tank.
また、回動部材16には、両平砥石G1,G2の被研削面に対
する圧接力R1,R2の差に対応する荷重Ｆを検出する荷重
検出器27が設けられている。また、荷重検出器27及び電
気油圧サーボ弁31は、フィードバック制御装置を構成す
る図示しないマイクロコンピュータに接続されている。
なお、図中30は、位置検出器である。Further, the rotating member 16 is provided with a load detector 27 that detects a load F corresponding to the difference between the pressure contact forces R 1 and R 2 of the flat grindstones G 1 and G 2 against the surfaces to be ground. Further, the load detector 27 and the electrohydraulic servo valve 31 are connected to a microcomputer (not shown) that constitutes a feedback control device.
Incidentally, reference numeral 30 in the figure is a position detector.
また、両平砥石G1,G2の回転は次のようになされてい
る。回動部材16の先端部に回転軸18が設けられ、回転軸
18に対してスペーサー17を挟んで平砥石G1,G2が設けら
れている。そして、回転軸18に設けられたプーリー19と
モータ20のプーリー21との間に、Ｖベルト22が掛けられ
ている。このため、モータ20の回転に基づいて回転軸18
が回転し、両平砥石G1,G2が回転するのである。The rotation of the both flat grindstones G 1 and G 2 is performed as follows. A rotary shaft 18 is provided at the tip of the rotary member 16,
Flat grindstones G 1 and G 2 are provided with respect to 18 with a spacer 17 interposed therebetween. A V-belt 22 is hung between a pulley 19 provided on the rotary shaft 18 and a pulley 21 of the motor 20. Therefore, the rotation shaft 18 is rotated based on the rotation of the motor 20.
Is rotated, and both flat grindstones G 1 and G 2 are rotated.
なお、図中23は砥石カバー、24は車輪、25はレール、26
はガイドローラである。In the figure, 23 is a whetstone cover, 24 is a wheel, 25 is a rail, 26
Is a guide roller.
次に、この実施例の作用を第８図〜第10図に基づいて説
明する。Next, the operation of this embodiment will be described with reference to FIGS.
第８図に示すように、荷重検出器27の検出する荷重Ｆと
回動軸線Ｃとの距離をＬとすると、平砥石G1,G2の被研
削面に対する圧接力R1,R2と、その荷重Ｆと、距離Ｌ
と、平砥石G1,G2間の距離の半分の距離ｌとの間には、
次の関係式が成立する。As shown in FIG. 8, when the distance between the load F detected by the load detector 27 and the rotation axis C is L, the pressure contact forces R 1 and R 2 of the flat grindstones G 1 and G 2 against the surface to be ground are R 1 and R 2 . , Its load F and distance L
And the distance l, which is half the distance between the flat grindstones G 1 and G 2 ,
The following relational expression holds.
Ｆ＝（R1−R2）l/L そして、第８図（R1＝R2），第９図（R1＞R2），第10図
（R1＜R2），の各場合においては、荷重Ｆは次のように
なる。F = (R 1 −R 2 ) l / L And in each case of FIG. 8 (R 1 = R 2 ), FIG. 9 (R 1 > R 2 ), and FIG. 10 (R 1 <R 2 ). In, the load F is as follows.
R1＝R2のとき……Ｆ＝０ （第８図） R1＞R2のとき……Ｆ＜０ （第９図） R1＜R2のとき……Ｆ＞０ （第10図） そして、前述したフィードバック制御装置によって、常
にＦ＝０になるように、電気油圧サーボ弁31が制御さ
れ、回動部材16の回動度合いが制御される。When R 1 = R 2 …… F = 0 (Fig. 8) When R 1 > R 2 …… F <0 (Fig. 9) When R 1 <R 2 …… F> 0 (Fig. 10 The above-mentioned feedback control device controls the electrohydraulic servo valve 31 so that F = 0 is always maintained, and the degree of rotation of the rotating member 16 is controlled.
このようにして、被研削面が曲がっていても、両平砥石
G1,G2の被研削面に対する圧接力R1,R2は常にほぼ同じに
される。In this way, even if the surface to be ground is curved, both flat grindstones
The pressure contact forces R 1 and R 2 of G 1 and G 2 on the surface to be ground are always made almost the same.
このため、両平砥石G1,G2の研削面（外周部）が被研削
面に対してともに全面的に接することとなり、被研削面
が滑らかに研削される。For this reason, the grinding surfaces (outer peripheral portions) of both flat grindstones G 1 and G 2 are in full contact with the surface to be ground, and the surface to be ground is smoothly ground.
また、両平砥石G1,G2の摩耗度合いがほぼ同一となり、
両平砥石G1,G2全体としての耐久性が増すこととなる。Also, the wear levels of both flat grindstones G 1 and G 2 are almost the same,
Both flat grindstones G 1 and G 2 will have increased durability as a whole.
第１図は本発明の原理を説明する正面図であり、第２図
はその側面図である。 第３図は本発明の一実施例である研削装置の正面図であ
り、第４図はその側面図である。第５図はその要部正面
図であり、第６図はその要部平面図であり、第７図はそ
の要部側面図である。第８図〜第10図はその作用説明図
である。 16……回動部材Ｙ 18……回転軸Ｊ G1,G2……平砥石 27……荷重検出器FIG. 1 is a front view for explaining the principle of the present invention, and FIG. 2 is a side view thereof. FIG. 3 is a front view of a grinding apparatus which is an embodiment of the present invention, and FIG. 4 is a side view thereof. FIG. 5 is a front view of the main part, FIG. 6 is a plan view of the main part, and FIG. 7 is a side view of the main part. 8 to 10 are explanatory views of the operation. 16 …… Rotating member Y 18 …… Rotation axis J G 1 , G 2 …… Plain whetstone 27 …… Load detector
Claims (1)
方向に交差する回転軸と、 相互間に所定の間隔を有しともに同径で偏平な円柱状を
なし前記回転軸に対して同心的に設けられ、その回転軸
の回転に伴って回転することによってその外周部におい
て被研削面の研削を行う２枚の平砥石と、 前記回動部材に対して設けられ、前記被研削面の曲がり
度合いと前記回動部材の回動度合いとの関係に応じて生
じる前記各平砥石の前記被研削面に対する圧接力の差に
対応する値を検出する荷重検出器と、 その荷重検出器の検出結果に基づいて、前記各平砥石の
前記被研削面に対する圧接力の差に対応する値がほぼゼ
ロとなるように前記回動部材の回動度合いを調整するフ
ィードバック制御装置と を有することを特徴とする研削装置。1. A rotating member which is rotatable about a rotating axis, a rotating shaft which is provided for the rotating member and which intersects with the rotating axis in a direction substantially at a right angle, and a predetermined interval between them. Two of them have a flat columnar shape having the same diameter and are concentrically provided with respect to the rotary shaft, and rotate along with the rotation of the rotary shaft to grind the surface to be ground on the outer peripheral portion thereof. A flat grindstone and a pressing force of each of the flat grindstones, which is provided for the rotating member and is generated according to the relationship between the bending degree of the surface to be ground and the degree of rotation of the rotating member, to the surface to be ground. A load detector that detects a value corresponding to the difference, and based on the detection result of the load detector, the value corresponding to the difference in the pressure contact force of each of the flat grindstones with respect to the surface to be ground becomes approximately zero. Feedback control device for adjusting the degree of rotation of the rotating member And a grinding device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16217684A JPH0780119B2 (en) | 1984-07-31 | 1984-07-31 | Grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16217684A JPH0780119B2 (en) | 1984-07-31 | 1984-07-31 | Grinding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6138850A JPS6138850A (en) | 1986-02-24 |
| JPH0780119B2 true JPH0780119B2 (en) | 1995-08-30 |
Family
ID=15749458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16217684A Expired - Fee Related JPH0780119B2 (en) | 1984-07-31 | 1984-07-31 | Grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0780119B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2525355B (en) * | 2013-02-20 | 2020-01-01 | Ihi Corp | Force control robot and method for controlling same |
-
1984
- 1984-07-31 JP JP16217684A patent/JPH0780119B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6138850A (en) | 1986-02-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |