JPH081442Y2 - Roundness measuring machine - Google Patents
Roundness measuring machineInfo
- Publication number
- JPH081442Y2 JPH081442Y2 JP6691290U JP6691290U JPH081442Y2 JP H081442 Y2 JPH081442 Y2 JP H081442Y2 JP 6691290 U JP6691290 U JP 6691290U JP 6691290 U JP6691290 U JP 6691290U JP H081442 Y2 JPH081442 Y2 JP H081442Y2
- Authority
- JP
- Japan
- Prior art keywords
- measuring tool
- measuring
- roundness
- balance weight
- long
- 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
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 本考案は真円度測定機に係り、特にクランクシャフト
等の長尺ワークの真円度を測定する真円度測定機に関す
る。[Detailed Description of the Invention] [Industrial application] The present invention relates to a roundness measuring machine, and more particularly to a roundness measuring machine for measuring the roundness of a long workpiece such as a crankshaft.
従来、クランクシャフト等の長尺ワークの真円度を測
定する場合、真円度測定機に空気軸受を介して設けられ
ている回転軸に直交してガイド部材を設け、ガイド部材
に摺動自在に取り付けられた長軸測定具でクランクシャ
フト等の真円度を測定する。Conventionally, when measuring the roundness of a long workpiece such as a crankshaft, a guide member is provided orthogonal to the rotation axis that is provided in the roundness measuring machine via an air bearing, and it can slide on the guide member. Measure the roundness of the crankshaft etc. with the long axis measuring tool attached to.
しかしながら、長尺ワークを測定する為の長軸測定具
は大型なので質量が大きくなり、更に長尺ワークの測定
時には長軸測定具が回転軸受から離れているので、回転
軸受にモーメント荷重が作用し、真円度の測定精度が低
くなるという欠点がある。However, since the long-axis measuring tool for measuring long workpieces is large, the mass is large, and when measuring long workpieces, the long-axis measuring tool is far from the rotary bearing, so a moment load acts on the rotary bearing. However, there is a drawback that the roundness measurement accuracy becomes low.
この欠点を解決する為にガイド部材にバランスウエイ
トを設け、回転軸受に作用するモーメント荷重を除去す
る方法が考案されている。In order to solve this drawback, a method has been devised in which a balance weight is provided on the guide member to remove the moment load acting on the rotary bearing.
しかしながら、従来のバランスウエイトはガイド部材
に固定されているので長軸測定具がワークの種類に応じ
て移動するとバランスがくずれて回転軸受にモーメント
荷重が作用し、正確に長尺ワークの真円度を測定するこ
とができないという問題がある。However, since the conventional balance weight is fixed to the guide member, if the long-axis measuring tool moves according to the type of work, the balance will be lost and a moment load will be applied to the rotary bearing, resulting in an accurate roundness of the long work. There is a problem that can not be measured.
更に、従来のバランスウエイトは下方に延長された形
状なので測定時に邪魔になるという問題がある。Further, since the conventional balance weight has a shape extended downward, there is a problem that it interferes with the measurement.
本考案はこのような事情に鑑みてなされたもので、検
出器が移動しても正確に真円度を測定することができ、
更に測定の邪魔にならない真円度測定機を提供すること
を目的とする。The present invention has been made in view of such circumstances, and it is possible to accurately measure the roundness even if the detector moves.
Furthermore, it aims at providing the roundness measuring machine which does not interfere with measurement.
本考案は、前記目的を達成する為に、真円度測定機の
回転軸に設けられた横方向のガイド部材に測定具を移動
可能に設け、前記測定具をガイド部材に沿って移動して
ワークに当接すると共に、回転軸で測定具をワーク表面
に沿って移動してワークの真円度を測定する真円度測定
機において、前記ガイド部材に摺動自在に設けられると
共に、前記回転軸に対して前記測定具と対称位置に設け
られたバランスウエイトと、前記測定具の移動時に、前
記測定具の移動方向と反対方向に前記測定具の移動量分
前記バランスウエイトを移動する手段と、から成ること
を特徴とする。In order to achieve the above object, the present invention movably provides a measuring tool on a lateral guide member provided on a rotary shaft of a roundness measuring machine, and moves the measuring tool along the guide member. A circularity measuring machine that measures the roundness of a work by moving the measuring tool along the surface of the work while contacting the work, and the rotation shaft being provided slidably on the guide member. With respect to the balance weight provided in a symmetrical position with the measuring tool, when moving the measuring tool, means for moving the balance weight by the amount of movement of the measuring tool in a direction opposite to the moving direction of the measuring tool, It is characterized by consisting of.
本考案によればバランスウエイトをガイド部材に移動
自在に設けると共にバランスウエイトを回転軸に対して
測定具と対称位置に設け、バランスウエイトの移動手段
でバランスウエイトを測定具の移動と同時に測定具の移
動方向と反対方向に測定具の移動量分移動することがで
きる。According to the present invention, the balance weight is movably provided on the guide member, and the balance weight is provided at a symmetrical position with respect to the rotation axis with respect to the measuring tool, and the balance weight moving means moves the balance weight at the same time when the measuring tool It is possible to move in the direction opposite to the moving direction by the moving amount of the measuring tool.
従って、バランスウエイトを測定具とバランスを保つ
位置に保持することができるので、真円度測定機の回転
軸受に大きなモーメント荷重が作用しない。これによ
り、回転軸受の回転精度が向上し、正確にワークの真円
度を測定することができる。Therefore, the balance weight can be held at a position where the balance weight is kept in balance with the measuring tool, so that a large moment load does not act on the rotary bearing of the roundness measuring machine. Thereby, the rotation accuracy of the rotary bearing is improved, and the roundness of the work can be accurately measured.
以下添付図面に従って本考案に係る真円度測定機の好
ましい実施例を詳説する。Hereinafter, preferred embodiments of a roundness measuring machine according to the present invention will be described in detail with reference to the accompanying drawings.
第１図に示す真円度測定機10には空気軸受（図示せ
ず）を介して回転軸12が設けられ、回転軸12にはガイド
部材16を介して長軸測定具14が設けられている。The circularity measuring machine 10 shown in FIG. 1 is provided with a rotary shaft 12 via an air bearing (not shown), and the rotary shaft 12 is provided with a long axis measuring tool 14 via a guide member 16. There is.
ガイド部材16には支持梁16Aが設けられ、支持梁16Aの
中央には立設されている取付け部18が第１図の回転軸12
に取り付けられる。また、ガイド部材16には送りねじ20
が回転自在に支持され、送りねじ20はモータ（図示せ
ず）に回転力が伝達可能に連結されている。このモータ
はガイド部材16に取り付けられている。The guide member 16 is provided with a support beam 16A, and a mounting portion 18 provided upright at the center of the support beam 16A has a rotating shaft 12 shown in FIG.
Attached to. In addition, the guide member 16 has a feed screw 20
Is rotatably supported, and the feed screw 20 is connected to a motor (not shown) so that the rotational force can be transmitted. This motor is attached to the guide member 16.
送りねじ20にはキャリッジ22の突出部22Aが螺合され
ている。そしてキャリッジ22の両端に固着されているガ
イド22B、22B、22C、22Cは第３図に示すレール23に摺動
自在に係止されている。レール23は支持梁16Aに固定さ
れている。またキャリッジ22の下部にはブロック24が設
けられている。A protrusion 22A of a carriage 22 is screwed onto the feed screw 20. The guides 22B, 22B, 22C and 22C fixed to both ends of the carriage 22 are slidably locked to the rail 23 shown in FIG. The rail 23 is fixed to the support beam 16A. A block 24 is provided below the carriage 22.
ブロック24の下部には、連結部材24A、調整部材25、
保持部材27を介して長軸測定具14のスタイラスアーム28
の上端が設けられ、その下端には検出器26がスタイラス
アーム28の軸線に直交して設けられている。従って長軸
測定具14は第１図上で回転軸12を中心として時計回り方
向又は反時計回り方向（矢印Ａ−Ｂ方向）に回転するこ
とができる。尚、調整部材25で検出器26の位置を調整す
ることができる。At the bottom of the block 24, the connecting member 24A, the adjusting member 25,
A stylus arm 28 of the long-axis measuring tool 14 via a holding member 27.
Is provided at the upper end of the stylus arm 28, and a detector 26 is provided at the lower end thereof at right angles to the axis of the stylus arm 28. Therefore, the long-axis measuring tool 14 can rotate in the clockwise direction or the counterclockwise direction (arrow AB direction) about the rotary shaft 12 in FIG. The position of the detector 26 can be adjusted by the adjusting member 25.
また連結部材24Aにはボルト24B、24Cを介してワイヤ3
0の一端及びワイヤ32の一端が連結されている。そして
ワイヤ30の他端はプーリ34を介してバランスウエイト36
の左側部に連結され、ワイヤ32の他端はプーリ38を介し
てバランスウエイト36の右端部に連結されている。プー
リ34はガイド部材16の左端部に軸支され、プーリ38はガ
イド部材16右端部に軸支されていて、連結部材24Aとバ
ランスウエイト36とで連結されたワイヤ32、38はプーリ
34、38で張設されている。Further, the wire 3 is connected to the connecting member 24A via bolts 24B and 24C.
One end of 0 and one end of the wire 32 are connected. The other end of the wire 30 is connected to the balance weight 36 via the pulley 34.
The left end of the wire 32 is connected to the right end of the balance weight 36 via the pulley 38. The pulley 34 is pivotally supported on the left end of the guide member 16, the pulley 38 is pivotally supported on the right end of the guide member 16, and the wires 32 and 38 connected by the connecting member 24A and the balance weight 36 are pulleys.
It is stretched at 34 and 38.
バランスウエイト36は第３図に示すレール40に摺動自
在に支持され、レール40は支持梁16Aに固定されてい
る。従って、前述したモータ（図示せず）を駆動して送
りねじ20を正転、逆転すると、検出器26がキャリッジ22
等を介して第２図上で左右方向（矢印Ｃ−Ｄ方向）に移
動する。同時にワイヤ30、32を介してブロック24に連結
されているバランスウエイト36が検出器26と反対方向に
検出器26の移動量と同量分連動する。The balance weight 36 is slidably supported by the rail 40 shown in FIG. 3, and the rail 40 is fixed to the support beam 16A. Therefore, when the above-mentioned motor (not shown) is driven to rotate the feed screw 20 in the forward and reverse directions, the detector 26 causes the carriage 22 to move.
And the like in the horizontal direction (arrow C-D direction) in FIG. At the same time, the balance weight 36 connected to the block 24 via the wires 30 and 32 operates in the opposite direction to the detector 26 by the same amount as the movement amount of the detector 26.
このバランスウエイト36は第３図に示すようにレール
40の両側に二分割されてコンパクトに形成されているの
で、真円度測定時に測定の邪魔にならない。また、バラ
ンスウエイト36はボルト24B、24Cを連結部材24Aから着
脱するだけで新たなバランスウエイトに取り換えること
ができるので種々の長軸測定具に適用することができ
る。尚、第１図上で42はテーブル、44は長尺ワークであ
る。This balance weight 36 is a rail as shown in FIG.
Since it is divided into two parts on both sides of 40 and is compactly formed, it does not interfere with the measurement at the time of roundness measurement. Further, the balance weight 36 can be replaced with a new balance weight simply by attaching and detaching the bolts 24B and 24C to and from the connecting member 24A, so that the balance weight 36 can be applied to various long-axis measuring tools. In FIG. 1, 42 is a table and 44 is a long work.
前記の如く構成された本考案に係る真円度測定機の作
用を説明する。The operation of the roundness measuring machine according to the present invention constructed as above will be described.
先ず長尺ワーク44をテーブル42の所定の位置に載置
し、前記モータを駆動して長軸測定具14をガイド部材16
に沿って移動して検出子26Aを長尺ワーク44の表面に接
触し、この状態で回転軸12を回転又は軸線方向に移動し
て長尺ワーク44の真円度を測定する。First, the long work 44 is placed on the table 42 at a predetermined position, and the motor is driven to move the long-axis measuring tool 14 to the guide member 16.
Along with this, the detector 26A is brought into contact with the surface of the long work 44, and in this state, the rotary shaft 12 is rotated or moved in the axial direction to measure the roundness of the long work 44.
この場合、モータの駆動で送りねじ20が正転又は逆転
するので長軸測定具14は第２図上で矢印Ｃ−Ｄ方向に移
動し、長軸測定具14の移動でワイヤ30、32が移動するの
でバランスウエイト36は長軸測定具14と反対方向に長軸
測定具14の移動分と同量移動する。このように、長軸測
定具14がガイド16に沿って移動した場合でもバランスウ
エイト36との移動でバランスが保たれるので、回転軸12
に大きなモーメント荷重がかからない。従って、回転軸
12の回転精度が向上するので真円度の測定精度を高める
ことができる。In this case, since the feed screw 20 is normally or reversely rotated by driving the motor, the long-axis measuring tool 14 moves in the direction of arrow CD in FIG. 2, and the movement of the long-axis measuring tool 14 causes the wires 30, 32 to move. Since the balance weight 36 moves, the balance weight 36 moves in the opposite direction of the long-axis measuring tool 14 by the same amount as the movement amount of the long-axis measuring tool 14. As described above, even when the long-axis measuring tool 14 moves along the guide 16, the balance with the balance weight 36 maintains the balance, so that the rotary shaft 12
Does not apply a large moment load. Therefore, the rotation axis
Since the rotation accuracy of 12 is improved, the accuracy of roundness measurement can be improved.
また、長軸測定具14の位置は、測定ワークの種類が異
なる場合も測定径の大きさにより変化するが同様に対処
することができる。Further, the position of the long-axis measuring tool 14 varies depending on the size of the measurement diameter even when the type of the measurement work is different, but the same measure can be taken.
前記実施例では、バランスウエイト36をワイヤ30、32
で長軸測定具14に連結し、長軸測定具14の移動に連動さ
せたが、これに限らず、他の移動手段でバランスウエイ
ト36を長軸測定具14の移動量分移動させてもよい。In the above embodiment, the balance weight 36 is connected to the wires 30, 32.
Although it is linked to the long-axis measuring tool 14 with the movement of the long-axis measuring tool 14, the present invention is not limited to this, and the balance weight 36 may be moved by the moving amount of the long-axis measuring tool 14 by other moving means. Good.
上述したように本考案に係る真円度測定機によれば、
バランスウエイトを測定具の移動方向と反対方向に測定
具の移動量分連動して回転軸の荷重バランスを略均一に
維持することができる。従って、回転軸の回転精度の向
上を図ることができるのでワークの真円度を正確に測定
することができる。As described above, according to the roundness measuring device of the present invention,
It is possible to maintain the load balance of the rotating shaft substantially uniform by interlocking the balance weight in the direction opposite to the moving direction of the measuring tool by the moving amount of the measuring tool. Therefore, since the rotation accuracy of the rotary shaft can be improved, the roundness of the work can be accurately measured.
また、バランスウエイトをコンパクトな形状にしたの
で測定時に邪魔になることがない。Moreover, since the balance weight has a compact shape, it does not interfere with the measurement.
第１図は本考案に係る真円度測定機を使用した真円度測
定機の全体斜視図、第２図は本考案に係る真円度測定機
の側面図、第３図は第２図のIII-III断面図である。 10……真円度測定機、12……回転軸、14……長軸測定
部、16……ガイド部、20……送りねじ、26……検出器、
26A……検出子、28……スタイラスアーム、30、32……
ワイヤ、34、38……プーリ、36……バランスウエイト、
44……ワーク。1 is an overall perspective view of a roundness measuring machine using the roundness measuring machine according to the present invention, FIG. 2 is a side view of the roundness measuring machine according to the present invention, and FIG. 3 is FIG. FIG. 3 is a sectional view taken along line III-III of FIG. 10 …… Roundness measuring machine, 12 …… Rotary axis, 14 …… Major axis measuring section, 16 …… Guide section, 20 …… Feed screw, 26 …… Detector,
26A …… Detector, 28 …… Stylus arm, 30,32 ……
Wire, 34, 38 ... Pulley, 36 ... Balance weight,
44 …… Work.
Claims (1)
のガイド部材に測定具を移動可能に設け、前記測定具を
ガイド部材に沿って移動してワークに当接すると共に、
回転軸で測定具をワーク表面に沿って移動してワークの
真円度を測定する真円度測定機において、 前記ガイド部材に摺動自在に設けられると共に、前記回
転軸に対して前記測定具と対称位置に設けられたバラン
スウエイトと、 前記測定具の移動時に、前記測定具の移動方向と反対方
向に前記測定具の移動量分前記バランスウエイトを移動
する手段と、 から成ることを特徴とする真円度測定機。1. A measuring tool is movably provided on a lateral guide member provided on a rotary shaft of a roundness measuring machine, and the measuring tool is moved along the guide member to abut against a work,
A circularity measuring machine for measuring the roundness of a work by moving the measuring tool along the surface of a work with a rotating shaft, the measuring device being provided slidably on the guide member and with respect to the rotating shaft. And a balance weight provided at a symmetrical position, and a means for moving the balance weight by a moving amount of the measuring tool in a direction opposite to a moving direction of the measuring tool when the measuring tool moves. Roundness measuring machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6691290U JPH081442Y2 (en) | 1990-06-25 | 1990-06-25 | Roundness measuring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6691290U JPH081442Y2 (en) | 1990-06-25 | 1990-06-25 | Roundness measuring machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0426305U JPH0426305U (en) | 1992-03-02 |
| JPH081442Y2 true JPH081442Y2 (en) | 1996-01-17 |
Family
ID=31600029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6691290U Expired - Fee Related JPH081442Y2 (en) | 1990-06-25 | 1990-06-25 | Roundness measuring machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH081442Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2556550Y2 (en) * | 1993-06-10 | 1997-12-03 | 株式会社東京精密 | Surface profile measuring machine |
| CN113218285B (en) * | 2021-05-12 | 2024-03-29 | 西安理工大学 | On-site measurement device for roundness of sectional type circular arc rolling guide rail |
-
1990
- 1990-06-25 JP JP6691290U patent/JPH081442Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0426305U (en) | 1992-03-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |