JPS6320671B2 - - Google Patents
Info
- Publication number
- JPS6320671B2 JPS6320671B2 JP2045683A JP2045683A JPS6320671B2 JP S6320671 B2 JPS6320671 B2 JP S6320671B2 JP 2045683 A JP2045683 A JP 2045683A JP 2045683 A JP2045683 A JP 2045683A JP S6320671 B2 JPS6320671 B2 JP S6320671B2
- Authority
- JP
- Japan
- Prior art keywords
- plate
- grinding
- cylindrical part
- toggle plate
- toggle
- 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
Links
Classifications
-
- 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
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/26—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding workpieces with arcuate surfaces, e.g. parts of car bodies, bumpers or magnetic recording heads
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Description
本発明は側縁等に欠円柱状部を有する板又は其
他の部材の欠円柱状部の研削方法に関するもので
ある。
ジヨークラツシヤのトグルプレートのような側
縁に欠円柱状部を有する大形で重量物の板状部材
又は欠円柱状部を有する大形で重量物の其他の部
材の該欠円柱状部の切削及び研削は、一般の円柱
状部材又は欠円柱状部材の如く部材を軸心を中心
として回転して行うことができない。従来これら
の部材の欠円柱状部の切削又は研削は、該欠円柱
状部周面を細かく分割し、一分割部分について軸
方向に長く切削又は研削した後、被加工材と工具
の相対位置をかえ次の分割部分の切削又は研削を
遂次行うことにより実施されていた。従つて、従
来は切削又は研削に時間を要し、精度が低い。精
度が低いことは特に研削において致命的である。
本発明の目的は、加工精度が優れ、しかも加工
時間を短縮することができる大形で重量物の板又
は其他の部材の欠円柱状部の研削方法を提供する
にある。
本発明による板又は其他の部材の欠円柱状部の
研削方法は、欠円柱状部を有する大形で重量物の
板又は其他の部材を、該欠円柱状部の曲率の中心
にて、工作機械の主軸台と心押台との間に回動自
在に保持し、該欠円柱状部より離隔する部を、該
機械のベツドに基部を枢着した油圧シリンダのピ
ストンロツド端に枢着し、該板又は其他の部材を
欠円柱状部材の曲率中心を中心として揺動可能と
し、該板又は其他の部材の欠円柱状部の往復回動
を研削の為の送り運動とすることを特徴とする方
法である。
本発明による研削方法の好ましい態様において
は、前記板又は其他の部材がジヨークラツシヤの
トグルプレートである。
本発明による研削方法の他の好ましい態様にお
いては、前記板又は其他の部材の揺動範囲がリミ
ツトスイツチにより制御される。
以下、本発明による研削方法を、実施例の被研
削部材及び工作機械を示す図面に基づいて詳述す
る。
第１図ａ，ｂは本発明の方法によつて研削され
る被研削材の実施例のトグルプレートの正面図及
び側面図である。トグルプレートはジヨークラツ
シヤの動歯板の揺動端部と移動するピツトマンの
間を接続し（ダブルトグル型ではピツトマンと本
体を接続するもう一個のトグルプレートが設けら
れる。）、動歯板の開閉の動力を伝えると共に、或
る程度以上の力によつて折れる安全装置をなして
いる。トグルプレート１は両端箪は欠円柱状をな
し（曲率半径をＲその中心を２で示す。）、それぞ
れ凹円柱状の動歯板及びビツトマンのトグルツー
トに嵌装せしめられ、トグルプレートはビツトマ
ンの移動に応じて前記嵌合部を摺動させながら動
力を伝達する。
本発明の方法の対象とする被研削材はトグルプ
レートに限られることなく、側縁又は中間部に欠
円柱状部、例えば欠円柱状側縁、突条等を有する
大形で重量物のすべてを対象とすることができ
る。但し、欠円柱状部が部材の中間部にある等に
より、該部材の揺動範囲が著しく制限される場合
は、本発明の方法の利用価値が少ない。
第２図は本発明の方法を実施する装置の実施例
の概略斜視図である。工作機械としては、旋盤、
円筒研削盤等を若干改造して使用することができ
る。図示の例では旋盤１０を使用している。
トグルプレートは側縁の欠円柱状部の曲率中心
２にて、旋盤１０の主軸台１１と心押台１２の間
に回動自在に保持される。１４は自重により揺動
するトグルプレート１を支承する為にベツド１３
に立設したボールである。一方ベツド１３には油
圧シリンダ１５の基部が枢着され、油圧シリンダ
１５のピストンロツド端は、トグルプレート１の
保持側の欠円柱状部より離隔する部、図示の実施
例では反対側の欠円柱状部に枢着される。従つ
て、トグルプレート１は、油圧シリンダ１５のピ
ストンロツドの伸縮により、一方の側縁の欠円柱
状部の曲率中心線２―２を軸として揺動可能とな
る。トグルプレート１の揺動状態の一例を第３図
に示す。揺動角Ｓは工作機機械の構造にもよる
が、側縁に欠円柱状部を有す板部材においても、
約120度が概ね限度である。
第２図において、１６は油圧シリンダ１５への
送油の油圧、及びこの機械１０の油圧利用設備に
おける其他の油圧を制御する油圧ユニツトであ
る。１７は研削砥石で、砥石台に取付けられ、被
削材の軸方向及びこれに直角に被研削材と近接・
離脱する方向に移動し、研削の為の送り及び切り
こみ運動をなすと共に、自らも回転し、研削の為
の主運動をなす。又、主軸台１１のトグルプレー
ト１の揺動と共に回動する部分にドツグ１８を設
け、ドツグ１８が主軸台１１の固定部分に設けた
リミツトスイツチ１９に接触するようにしてあ
る。リミツトスイツチ１９をトグルプレート１の
揺動限度に相当する位置に設け、リミツトスイツ
チ１９よりの信号を油圧ユニツト１６に送り、こ
の信号に基づいて油圧シリンダ１５が作動せしめ
られ、トグルプレート１の揺動範囲が制御され
る。２０は研削液ポンプユニツトであり、図示せ
ざる研削液の供給・回収設備が設けられてある。
以上の如く改造旋盤１０は構成され、旋盤１０
にトグルプレート１が取付けられる。本発明の方
法を実施するには、砥石１７を回転し、トグルプ
レート１を揺動させ、砥石台を揺動するトグルプ
レート１の一端（例えば心押台１２側）でトグル
プレート１に接近させ、所望の研摩厚で接触させ
て研摩をはじめる。研摩を開始後、適切な速さで
砥石台をトグルプレート１の他端側に向けて移動
することにより所望厚の研摩を行なうことができ
る。所要に応じて、砥石台を再びトグルプレート
１の研摩開始端側に移動し、研摩厚を更に大にし
て再研摩を行う。
次に、図示の装置を使用して本発明の方法を行
つた実施例における各種条件等について述べる。
The present invention relates to a method of grinding a missing cylindrical portion of a plate or other member having a missing cylindrical portion on a side edge or the like. Cutting the missing cylindrical part of a large and heavy plate-like member having a missing cylindrical part on the side edge, such as a toggle plate of a geo-crusher, or other large and heavy plate-like member having a missing cylindrical part, and Grinding cannot be carried out by rotating the member around its axis like a general cylindrical member or a partially cylindrical member. Conventionally, in cutting or grinding the missing cylindrical part of these parts, the peripheral surface of the missing cylindrical part is divided into small pieces, one divided part is cut or ground long in the axial direction, and then the relative position of the workpiece and the tool is determined. This was carried out by successively cutting or grinding the divided parts of the kaeji. Therefore, cutting or grinding conventionally requires time and has low accuracy. Low precision is especially fatal in grinding. SUMMARY OF THE INVENTION An object of the present invention is to provide a method for grinding a hollow cylindrical portion of a large and heavy plate or other member, which has excellent processing accuracy and can shorten processing time. The method of grinding a missing cylindrical part of a plate or other member according to the present invention involves grinding a large and heavy plate or other member having a missing cylindrical part at the center of the curvature of the missing cylindrical part. The hydraulic cylinder is rotatably held between the headstock and the tailstock of the machine, and the part spaced apart from the cylindrical part is pivotally connected to the piston rod end of a hydraulic cylinder whose base is pivotally connected to the bed of the machine; The plate or other member is made swingable around the center of curvature of the hollow cylindrical member, and the reciprocating rotation of the hollow cylindrical portion of the plate or other member is used as a feeding motion for grinding. This is the way to do it. In a preferred embodiment of the grinding method according to the invention, the plate or other member is a toggle plate of a geo-crusher. In another preferred embodiment of the grinding method according to the invention, the range of oscillation of the plate or other member is controlled by a limit switch. Hereinafter, the grinding method according to the present invention will be explained in detail based on drawings showing a workpiece to be ground and a machine tool according to an embodiment. FIGS. 1a and 1b are a front view and a side view of a toggle plate of an embodiment of a workpiece to be ground by the method of the present invention. The toggle plate connects the swinging end of the toothed plate of the jaw crusher and the moving pit man (in the double toggle type, another toggle plate is provided to connect the pit man and the main body), and controls the opening and closing of the toothed plate. It transmits power and serves as a safety device that breaks when a certain amount of force is applied. The toggle plate 1 has a hollow cylinder shape at both ends (the radius of curvature is R and its center is indicated by 2), and is fitted into a concave cylindrical moving tooth plate and Bitman's toggle tool, respectively. The power is transmitted while sliding the fitting portion in accordance with the above. The material to be ground that is the object of the method of the present invention is not limited to toggle plates, but all large and heavy objects that have a cylindrical part, such as a cylindrical side edge or a protrusion, on the side edge or middle part. can be targeted. However, if the swing range of the member is significantly restricted due to the presence of the missing cylindrical portion in the middle of the member, the method of the present invention has little utility. FIG. 2 is a schematic perspective view of an embodiment of an apparatus for carrying out the method of the invention. Machine tools include lathes,
It can be used with a slightly modified cylindrical grinder. In the illustrated example, a lathe 10 is used. The toggle plate is rotatably held between the headstock 11 and the tailstock 12 of the lathe 10 at the center of curvature 2 of the cylindrical portion of the side edge. 14 is a bed 13 for supporting the toggle plate 1 which swings due to its own weight.
It is a ball set up on the ground. On the other hand, the base of a hydraulic cylinder 15 is pivotally attached to the bed 13, and the piston rod end of the hydraulic cylinder 15 is connected to a portion spaced apart from the hollow cylindrical portion on the holding side of the toggle plate 1; It is pivoted to the section. Therefore, the toggle plate 1 can swing about the center line of curvature 2-2 of the cylindrical portion on one side edge by the expansion and contraction of the piston rod of the hydraulic cylinder 15. An example of the swinging state of the toggle plate 1 is shown in FIG. The swing angle S depends on the structure of the machine tool, but even in a plate member having a cylindrical part on the side edge,
Approximately 120 degrees is the general limit. In FIG. 2, reference numeral 16 denotes a hydraulic unit that controls the hydraulic pressure for feeding oil to the hydraulic cylinder 15 and other hydraulic pressures in the hydraulic utilization equipment of this machine 10. Reference numeral 17 is a grinding wheel, which is attached to a grinding wheel head and is close to the workpiece in the axial direction of the workpiece and at right angles thereto.
It moves in the direction of separation and makes feeding and cutting movements for grinding, and also rotates itself to make the main movement for grinding. Further, a dog 18 is provided at a portion of the headstock 11 that rotates with the rocking of the toggle plate 1, so that the dog 18 comes into contact with a limit switch 19 provided at a fixed portion of the headstock 11. A limit switch 19 is provided at a position corresponding to the swing limit of the toggle plate 1, and a signal from the limit switch 19 is sent to the hydraulic unit 16. Based on this signal, the hydraulic cylinder 15 is operated, and the swing range of the toggle plate 1 is controlled. controlled. Reference numeral 20 denotes a grinding fluid pump unit, which is provided with grinding fluid supply/recovery equipment (not shown). The modified lathe 10 is configured as described above, and the lathe 10
Toggle plate 1 is attached to. To carry out the method of the present invention, the grinding wheel 17 is rotated, the toggle plate 1 is oscillated, and one end of the oscillating toggle plate 1 (for example, the tailstock 12 side) approaches the toggle plate 1. , and start polishing by making contact with the desired polishing thickness. After starting polishing, by moving the grindstone head toward the other end of the toggle plate 1 at an appropriate speed, it is possible to polish to a desired thickness. If necessary, the grindstone head is moved again to the polishing start end side of the toggle plate 1, the polishing thickness is further increased, and re-polishing is performed. Next, various conditions etc. in an example in which the method of the present invention was carried out using the illustrated apparatus will be described.
【表】
以上の条件で研削仕上を行つたところ、仕上り
精度は極めて良好であり、加工時間（トグルプレ
ートの工作機械への取付けから取外しまでの時
間）は８時間に過ぎなく、従来に較べて加工時間
を短縮することができた。
本発明の方法は以上の如く構成されているの
で、主軸台や心押台等の大形化や高剛性化及び大
きな駆動力を要することなく、大形で重量物の板
又は其他の部材の欠円柱状部を高い精度と短い加
工時間で研削することができる。トグルプレート
の場合のように、板又は其他の部材の欠円柱状部
は、主として継手部として、受部材との間で摺動
を許容されて力を伝達する個所に使用されるが、
本発明の方法においては欠円柱状部が砥石幅で周
方向に研削された後遂次軸方向に移動されて欠円
柱状部全体の研削を実施するものであるので、研
削方向と使用時の運動方向が一致し、運動時（摺
動時）の潤滑性が優れている。又、従来の方法で
研削したトグルプレートをジヨークラツヤに使用
した場合トグルプレートの摺動部より音が発生し
ていたが、本発明の方法により研削したトグルプ
レートを使用した場合は音の発生がなくなつた。
このことは本発明の方法により研削した欠円柱状
部の潤滑性が優れていることを意味している。[Table] When finishing by grinding under the above conditions, the finishing accuracy was extremely good, and the machining time (time from attaching the toggle plate to the machine tool to removing it) was only 8 hours, which was faster than before. We were able to shorten processing time. Since the method of the present invention is configured as described above, it is possible to handle large and heavy plates or other members without increasing the size or rigidity of the headstock or tailstock or requiring large driving force. It is possible to grind the missing cylindrical part with high precision and short machining time. As in the case of toggle plates, the hollow cylindrical part of the plate or other member is mainly used as a joint part where it is allowed to slide between it and the receiving member and transmits force.
In the method of the present invention, after the missing cylindrical part is ground in the circumferential direction with the width of the grinding wheel, it is sequentially moved in the axial direction to grind the entire missing cylindrical part. The direction of movement matches, and the lubricity during movement (sliding) is excellent. In addition, when a toggle plate ground using the conventional method was used in a J-Yokura gloss, noise was generated from the sliding part of the toggle plate, but when a toggle plate ground using the method of the present invention is used, no sound is generated. Summer.
This means that the cylindrical part ground by the method of the present invention has excellent lubricity.
第１図は本発明の方法の対象とする被研削材の
一例のトグルプレートの正面図（ａ図）及び側面
図（ｂ図）、第２図は本発明の方法を実施する装
置の実施例の概略斜視図、第３図は第２図の装置
におけるトグルプレートの揺動状態を示す断面図
である。
１……トグルプレート、２……欠円柱状部曲率
中心、１０……旋盤、１１……主軸台、１２……
心押台、１３……ベツド、１５……油圧シリン
ダ、１６……油圧ユニツト、１７……砥石、１８
……ドツグ、１９……リミツトスイツチ、２０…
…研削液ポンプユニツト。
Fig. 1 is a front view (Fig. A) and side view (Fig. B) of a toggle plate of an example of a material to be ground which is the object of the method of the present invention, and Fig. 2 is an example of an apparatus for carrying out the method of the present invention. FIG. 3 is a sectional view showing the swinging state of the toggle plate in the device of FIG. 2. 1... Toggle plate, 2... Center of curvature of the missing cylindrical part, 10... Lathe, 11... Headstock, 12...
Tailstock, 13... Bed, 15... Hydraulic cylinder, 16... Hydraulic unit, 17... Grindstone, 18
...Dotsugu, 19...Limit Switch, 20...
...Grinding fluid pump unit.
Claims (1)
他の部材を、該欠円柱状部の曲率中心にて、工作
機械の主軸台と心押台との間に回動自在に保持
し、該欠円柱状部より離隔する部を、該機械のベ
ツドに基部を枢着した油圧シリンダのピストンロ
ツド端に枢着し、該板又は其他の部材を欠円柱状
部の曲率中心を中心として揺動可能とし、該板又
は其他の部材の欠円柱状部の往復回動を研削の為
の送り運動とすることを特徴とする板又は其他の
部材の欠円柱状部の研削方法。 ２ 前記板又は其他の部材がジヨークラツシヤの
トグルプレートである特許請求の範囲第１項の研
削方法。 ３ 前記板又は其他の部材の揺動範囲がリミツト
スイツチにより制御される特許請求の範囲第１項
又は第２項の研削方法。[Scope of Claims] 1. A large and heavy plate or other member having a cylindrical part is placed between the headstock and tailstock of a machine tool at the center of curvature of the cylindrical part. The plate or other member is held rotatably, and the part spaced apart from the cylindrical part is pivotally connected to the piston rod end of a hydraulic cylinder whose base is pivoted to the bed of the machine. A hollow cylindrical portion of a plate or other member is capable of swinging around the center of curvature, and the reciprocating rotation of the hollow cylindrical portion of the plate or other member is used as a feeding motion for grinding. Grinding method. 2. The grinding method according to claim 1, wherein the plate or other member is a toggle plate of a geo-crusher. 3. The grinding method according to claim 1 or 2, wherein the swing range of the plate or other member is controlled by a limit switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2045683A JPS59146747A (en) | 1983-02-09 | 1983-02-09 | Grinding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2045683A JPS59146747A (en) | 1983-02-09 | 1983-02-09 | Grinding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59146747A JPS59146747A (en) | 1984-08-22 |
| JPS6320671B2 true JPS6320671B2 (en) | 1988-04-28 |
Family
ID=12027570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2045683A Granted JPS59146747A (en) | 1983-02-09 | 1983-02-09 | Grinding method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59146747A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05207314A (en) * | 1991-07-03 | 1993-08-13 | Thomson Consumer Electron Sa | Television receiver |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111964416A (en) * | 2020-09-21 | 2020-11-20 | 安徽理工大学 | A parallel rolling continuous dryer |
-
1983
- 1983-02-09 JP JP2045683A patent/JPS59146747A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05207314A (en) * | 1991-07-03 | 1993-08-13 | Thomson Consumer Electron Sa | Television receiver |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59146747A (en) | 1984-08-22 |
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