JPH0546838Y2 - - Google Patents
Info
- Publication number
- JPH0546838Y2 JPH0546838Y2 JP9106988U JP9106988U JPH0546838Y2 JP H0546838 Y2 JPH0546838 Y2 JP H0546838Y2 JP 9106988 U JP9106988 U JP 9106988U JP 9106988 U JP9106988 U JP 9106988U JP H0546838 Y2 JPH0546838 Y2 JP H0546838Y2
- Authority
- JP
- Japan
- Prior art keywords
- jig
- centering hole
- main shaft
- centering
- clamp
- 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
- 238000007689 inspection Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Landscapes
- Machine Tool Sensing Apparatuses (AREA)
Description
【考案の詳細な説明】
〈産業上の利用分野〉
本考案は加工装置の精度検査を行う際に用いら
れる芯出し治具に関する。[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to a centering jig used when inspecting the accuracy of processing equipment.
〈従来の技術〉
従来、加工装置では組み付け後に所定の精度で
加工が行えるかを検査し、調整するいわゆる芯出
し作業が行われる。この芯出し作業の中で主軸の
回転精度や主軸頭の進退運動と加工台との平行度
の検査では加工台に芯出し穴を形成した治具本体
を芯出し穴が主軸軸線上にくるようにクランプ機
構でクランプし、芯出し穴に基準棒を嵌め込み、
主軸にチヤツク部材を装着し、この先端にダイヤ
ルゲージを取付け、このダイヤルゲージの測定針
を基準棒の外周に接触させて主軸を回転させ、こ
の時のダイヤルゲージの最大値と最小値の差を求
めることにより主軸の回転精度を検査している。<Prior Art> Conventionally, in a processing device, after assembly, a so-called centering operation is performed to inspect and adjust whether processing can be performed with a predetermined accuracy. During this centering work, the rotation accuracy of the spindle, the forward and backward movement of the spindle head, and the parallelism with the processing table are inspected. Clamp it with the clamp mechanism, fit the reference rod into the centering hole,
Attach a chuck member to the main shaft, attach a dial gauge to the tip of the chuck member, bring the measuring needle of this dial gauge into contact with the outer periphery of the reference rod, rotate the main shaft, and measure the difference between the maximum and minimum values of the dial gauge at this time. By determining this, the rotation accuracy of the spindle is inspected.
また、主軸頭に進退運動を行わせ、この時のダ
イヤルゲージの最大値と最小値の差を求めること
により、加工台と主軸頭の平行度を検査してい
る。 In addition, the parallelism between the processing table and the spindle head is inspected by moving the spindle head back and forth and determining the difference between the maximum and minimum values of the dial gauge at this time.
〈考案が解決しようとする課題〉
上述のように加工台に治具本体をクランプする
場合、クランプ位置が芯出し穴に近く、かつクラ
ンプ力が強い時には芯出し穴が変形し、検査棒が
芯出し穴に嵌め込めないことや検査精度に悪影響
を及ぼす問題があつた。<Problems to be solved by the invention> When clamping the jig body on the processing table as described above, if the clamp position is close to the centering hole and the clamping force is strong, the centering hole will be deformed and the inspection rod will not be centered. There were problems such as not being able to fit into the hole and having a negative impact on inspection accuracy.
〈課題を解決するための手段〉
本考案は上述した問題を解決するためになされ
たもので、加工台に治具本体をクランプし、この
治具本体に前記主軸の回転軸線上に芯出し穴を形
成し、この芯出し穴に嵌合され、主軸に設けられ
た測定ヘツドの一端が当接する基準棒を設け、前
記芯出し穴に前記クランプ機構のクランプ力が作
用しないように前記芯出し穴と、前記クランプ機
構のクランプ位置との間にスリツトを治具本体に
形成したものである。<Means for Solving the Problems> The present invention was made in order to solve the above-mentioned problems.A jig body is clamped on a processing table, and a centering hole is formed in the jig body on the rotation axis of the main shaft. A reference rod is provided that is fitted into this centering hole and that one end of the measuring head provided on the main shaft comes into contact with, and the centering hole is fixed so that the clamping force of the clamp mechanism does not act on the centering hole. A slit is formed in the jig body between the clamp position and the clamp position of the clamp mechanism.
〈作用〉
加工台に治具本体を芯出し穴が主軸軸線上にく
るようにクランプ機構でクランプし、芯出し穴に
基準棒を嵌め込み、主軸に測定ヘツドを装着し、
この測定ヘツドの一端を基準棒の外周に当接させ
たのち、主軸を回転させ、この時の測定ヘツドの
測定値の最大値と最小値の差を求めることにより
主軸の回転精度を検査する。そして治具本体のク
ランプ位置にクランプ力が働いてもスリツトが形
成されているのでクランプ力が芯出し穴に及ばな
い。<Operation> Clamp the jig main body on the processing table with the clamp mechanism so that the centering hole is on the spindle axis, fit the reference rod into the centering hole, attach the measuring head to the spindle,
After bringing one end of this measuring head into contact with the outer periphery of the reference rod, the main shaft is rotated, and the rotation accuracy of the main shaft is inspected by determining the difference between the maximum and minimum values of the measurement values of the measuring head at this time. Even if a clamping force is applied to the clamping position of the jig body, the clamping force will not reach the centering hole because the slit is formed.
〈実施例〉
以下本考案の実施例を図面に基づいて説明す
る。第１図および第２図において１０は、ベツド
である。このベツド１０には、テーブル１１が進
退可能に案内され、図略の送りモータによつて駆
動される。このテーブル１１には軸頭１２が装着
されており、この軸頭１２には主軸１３が回転可
能に軸承されており、この主軸１３は軸頭１２に
設けられた図略の駆動モータにより駆動される。<Example> Hereinafter, an example of the present invention will be described based on the drawings. In FIGS. 1 and 2, 10 is a bed. A table 11 is guided to the bed 10 so as to be movable forward and backward, and is driven by a feed motor (not shown). A shaft head 12 is attached to this table 11, and a main shaft 13 is rotatably supported on this shaft head 12. This main shaft 13 is driven by an unillustrated drive motor provided on the shaft head 12. Ru.
前記主軸１３には、円板状のチヤツク部材１４
が締付け固定されており、このチヤツク部材１４
には回転軸線より径方向に僅かに偏心位置に測定
バー１５が主軸１３の回転軸線に平行に設けられ
ている。この測定バー１５の先端には回転軸線の
径方向に弾性変形可能な弾性部材１６を介してダ
イヤルゲージ１７が固定されている。 A disc-shaped chuck member 14 is attached to the main shaft 13.
is tightened and fixed, and this chuck member 14
A measuring bar 15 is provided parallel to the rotational axis of the main shaft 13 at a slightly eccentric position in the radial direction from the rotational axis. A dial gauge 17 is fixed to the tip of the measurement bar 15 via an elastic member 16 that can be elastically deformed in the radial direction of the rotation axis.
このダイヤルゲージ１７の測定針１８には、基
準棒１９が当接しており、この基準棒１９は、主
軸１３の回転軸線と平行に治具本体２０の芯出し
穴２１に嵌合保持されている。 A reference rod 19 is in contact with the measuring needle 18 of this dial gauge 17, and this reference rod 19 is fitted and held in the centering hole 21 of the jig main body 20 in parallel to the rotational axis of the main shaft 13. .
この芯出し穴２１の両側には、治具本体２０の
下面より垂直にスリツト２２が形成されている。 On both sides of this centering hole 21, slits 22 are formed perpendicularly to the lower surface of the jig main body 20.
治具本体２０は主軸１３の正面に位置する加工
台３０に載置されており、上面を固定の天蓋２３
に設けられた基準シート２４によつて前記基準棒
１９が主軸軸線上にくるように位置決めされてい
る。そして、この基準シート２４と治具本体２０
を挟んで対向する位置には、クランプ機構２５が
設けれており、このクランプ機構２５は図略の昇
降シリンダによつてクランプ軸２６を昇降させ、
クランプ軸２６先端のクランプ部２７を治具本体
２０の下面の両端に形成されたクランプ面２８に
当接させ、治具本体２０をクランプする。 The jig main body 20 is placed on a processing table 30 located in front of the main spindle 13, and the top surface is covered with a fixed canopy 23.
The reference rod 19 is positioned on the axis of the main shaft by a reference sheet 24 provided on the main shaft. Then, this reference sheet 24 and the jig main body 20
A clamp mechanism 25 is provided at a position opposite to the clamp shaft 26, and the clamp mechanism 25 raises and lowers a clamp shaft 26 using an unillustrated lifting cylinder.
The clamp portion 27 at the tip of the clamp shaft 26 is brought into contact with clamp surfaces 28 formed at both ends of the lower surface of the jig body 20 to clamp the jig body 20.
以上の構成で、芯出し検査のうちの主軸の回転
精度検査時の動作について説明する。 With the above configuration, the operation during the rotation accuracy test of the main spindle in the centering test will be explained.
はじめに主軸１３にチヤツク部材１４を締付け
固定する。次に治具本体２０をクランプ機構２５
によつてクランプし、芯出し穴２１に基準棒１９
を嵌合する。このとき、治具本体２０にはスリツ
ト２２が形成されているためクランプによる変形
が芯出し穴２１にまで及ばないようにされてい
る。 First, the chuck member 14 is tightened and fixed to the main shaft 13. Next, the jig body 20 is attached to the clamping mechanism 25.
, and insert the reference rod 19 into the centering hole 21.
mate. At this time, since a slit 22 is formed in the jig main body 20, deformation caused by the clamp is prevented from reaching the centering hole 21.
そしてダイヤルゲージ１７が基準棒１８の外周
に当接するようにしたのち、ダイヤルゲージ１７
の指針を調整して準備を完了する。 After the dial gauge 17 is brought into contact with the outer periphery of the reference rod 18, the dial gauge 17
Adjust the guidelines and complete the preparations.
こののち、主軸１３を低速で回転させることに
より、ダイヤルゲージ１７の測定針１８が基準棒
１９の外周に沿つて回転し、この時のダイヤルゲ
ージ１７の指針の動きを見て基準棒１９の外周を
一周する間の最大値と最小値を読み取り、この差
より主軸１３の回転精度を検査する。 After that, by rotating the main shaft 13 at a low speed, the measuring needle 18 of the dial gauge 17 rotates along the outer periphery of the reference rod 19. The maximum and minimum values during one rotation are read, and the rotation accuracy of the main shaft 13 is inspected based on the difference.
〈考案の効果〉
以上述べたように本考案においては、加工台に
治具本体をクランプし、この治具本体に前記主軸
の回転軸線上に芯出し穴を形成し、この芯出し穴
に嵌合され、主軸に設けられた測定ヘツドの一端
が当接する基準棒を設け、前記芯出し穴に前記ク
ランプ機構のクランプ力が作用しないように前記
芯出し穴と、前記クランプ機構のクランプ位置と
の間にスリツトを治具本体に形成した加工装置の
精度検査を行うために前記加工台にクランプされ
る治具本体に加工台にクランプされた際に主軸の
回転軸線上にくるように芯出し穴を形成し、この
芯出し穴に基準棒を嵌合し、前記芯出し穴と、前
記クランプ機構のクランプ位置との間に、前記ク
ランプ機構のクランプ力が働く方向にスリツトを
形成したので、クランプ力により芯出し穴が変形
することを防止できる利点がある。<Effects of the invention> As described above, in the present invention, the jig main body is clamped on the processing table, a centering hole is formed in the jig main body on the rotational axis of the main spindle, and the jig body is fitted into the centering hole. A reference rod is provided on which one end of the measuring head provided on the main shaft abuts, and the centering hole is aligned with the clamping position of the clamping mechanism so that the clamping force of the clamping mechanism does not act on the centering hole. A centering hole is formed in the jig main body, which is clamped to the processing table in order to inspect the accuracy of a processing device in which a slit is formed in the jig main body, so that the jig body is aligned with the rotational axis of the main spindle when the jig main body is clamped to the processing table. A reference rod was fitted into this centering hole, and a slit was formed between the centering hole and the clamping position of the clamping mechanism in the direction in which the clamping force of the clamping mechanism was applied. This has the advantage of preventing the centering hole from deforming due to force.
図面は本考案の実施例を示すもので、第１図は
芯出し検査の状態を示す図、第２図は第１図の
−断面図である。
１２……軸頭、１３……主軸、１９……基準
棒、２０……治具本体、２１……芯出し穴、２２
……スリツト、２５……クランプ機構、３０……
加工台。
The drawings show an embodiment of the present invention, and FIG. 1 is a diagram showing a state of centering inspection, and FIG. 2 is a cross-sectional view taken from FIG. 1. 12... Shaft head, 13... Main shaft, 19... Reference rod, 20... Jig body, 21... Centering hole, 22
...Slit, 25...Clamp mechanism, 30...
Processing table.
Claims (1)
つ工作物に向かつて前進後退する軸頭と、工作物
をクランプするクランプ機構を備えた加工台とで
構成される加工装置において、前記加工台に治具
本体をクランプし、この治具本体に前記主軸の回
転軸線上に芯出し穴を形成し、この芯出し穴に嵌
合され、主軸に設けられた測定ヘツドの一端が当
接する基準棒を設け、前記芯出し穴に前記クラン
プ機構のクランプ力が作用しないように前記芯出
し穴と前記クランプ機構のクランプ位置との間に
スリツトを治具本体に形成したことを特徴とする
加工装置の芯出し治具。 In a processing device comprising a shaft head rotatably supporting a main shaft on which a tool is attached and moving forward and backward toward a workpiece, and a processing table equipped with a clamp mechanism for clamping the workpiece, the processing table A jig main body is clamped, a centering hole is formed in the jig main body on the rotation axis of the main shaft, and a reference rod is fitted into the centering hole and one end of the measuring head provided on the main shaft abuts. and a slit is formed in the jig body between the centering hole and the clamping position of the clamp mechanism so that the clamping force of the clamp mechanism does not act on the centering hole. Centering jig.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9106988U JPH0546838Y2 (en) | 1988-07-08 | 1988-07-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9106988U JPH0546838Y2 (en) | 1988-07-08 | 1988-07-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0215248U JPH0215248U (en) | 1990-01-30 |
| JPH0546838Y2 true JPH0546838Y2 (en) | 1993-12-08 |
Family
ID=31315563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9106988U Expired - Lifetime JPH0546838Y2 (en) | 1988-07-08 | 1988-07-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0546838Y2 (en) |
-
1988
- 1988-07-08 JP JP9106988U patent/JPH0546838Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0215248U (en) | 1990-01-30 |
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