JPS61250507A - Measuring apparatus - Google Patents
Measuring apparatusInfo
- Publication number
- JPS61250507A JPS61250507A JP9091085A JP9091085A JPS61250507A JP S61250507 A JPS61250507 A JP S61250507A JP 9091085 A JP9091085 A JP 9091085A JP 9091085 A JP9091085 A JP 9091085A JP S61250507 A JPS61250507 A JP S61250507A
- Authority
- JP
- Japan
- Prior art keywords
- measured
- measuring head
- measuring
- head
- air supply
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B13/00—Measuring arrangements characterised by the use of fluids
- G01B13/08—Measuring arrangements characterised by the use of fluids for measuring diameters
- G01B13/10—Measuring arrangements characterised by the use of fluids for measuring diameters internal diameters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B13/00—Measuring arrangements characterised by the use of fluids
- G01B13/18—Measuring arrangements characterised by the use of fluids for measuring angles or tapers; for testing the alignment of axes
- G01B13/19—Measuring arrangements characterised by the use of fluids for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Arrangements Characterized By The Use Of Fluids (AREA)
Abstract
Description
【発明の詳細な説明】 〔発明の技術分野〕 本発明は、内径又は外径の測定装置に関する。[Detailed description of the invention] [Technical field of invention] The present invention relates to an inner diameter or outer diameter measuring device.
従来、第４図に示すように１円筒状の被測定物（Ｗ）の
中空部（人）の内径測定法の一つとして１円柱状の測定
ヘッド（Ｂ）を中空部（Ａ）に遊挿し、測定ヘッド（Ｂ
）の先端円周方向に沿って等配して穿設されている複数
のエアノズル（Ｃ）・・・から圧縮空気を噴出させ、こ
のときのエアノズル（Ｃ）・・・の背圧変化に基づｂて
、中空部（Ａ）の内径を測定するヤシ方がある。そして
、測定ヘッド（Ｂ）の先端部には、テーパ（Ｄ）が付さ
れていて、中空部（Ａ）に遊挿しやすくなっている。Conventionally, as shown in Fig. 4, one method for measuring the inner diameter of the hollow part (person) of a cylindrical object (W) is to move a cylindrical measuring head (B) into the hollow part (A). Insert the measuring head (B
), compressed air is ejected from a plurality of air nozzles (C)... which are equally spaced along the circumferential direction of the tip of the air nozzle (C)... Firstly, there is a method for measuring the inner diameter of the hollow part (A). The tip of the measuring head (B) is tapered (D) to facilitate loose insertion into the hollow portion (A).
しかしながら、中空部（Ａ）と測定ヘッド（Ｂ）とが同
軸でない場合、つまり中空部（Ａ）と測定ヘツ′ド（Ｂ
）との軸心がずれている場合には、測定ヘッド（Ｂ）が
中空部（Ａ）の開口縁部（Ｂ）に接触し１種々の支障を
惹起する。たとえば、被測定物（Ｗ）が支持台（Ｆ）に
固定されている場合、支持台（Ｆ）との摩擦係数が大き
い場合、あるいは被測定物（Ｗ）の重量が測定ヘッド（
Ｂ）に比し過大である場合には、測定ヘッド（Ｂ）が中
空部（Ａ）に無理に押し込まれることになる。その結果
、被測定物（Ｗ）あるいは測定ヘッド（Ｂ）が損傷する
不具合を生じる。However, if the hollow part (A) and the measuring head (B) are not coaxial, that is, the hollow part (A) and the measuring head (B)
), the measuring head (B) will come into contact with the opening edge (B) of the hollow part (A), causing various problems. For example, when the object to be measured (W) is fixed to the support stand (F), when the coefficient of friction with the support stand (F) is large, or when the weight of the object to be measured (W) is
If it is too large compared to B), the measuring head (B) will be forced into the hollow part (A). As a result, the object to be measured (W) or the measurement head (B) may be damaged.
重大な問題となっている。This has become a serious problem.
本発明は、上記事情に着目してなされたもので。 The present invention has been made by paying attention to the above-mentioned circumstances.
被測定物と内径測定用の測定ヘッドとの調芯を自動的に
行うことによシ、被測定物の損傷の発生を防止すること
のできる測定装置を提供することを目的とする。It is an object of the present invention to provide a measuring device that can prevent damage to the object to be measured by automatically aligning the object to be measured and a measuring head for measuring the inner diameter.
内径又は外径が測定される被測定物を載置面に沿って移
動自在に静圧支持するとともに、被測定物に遊嵌する測
定ヘッドの先端部に円周方向に沿って、少なくとも３個
の圧縮気体を噴出する給気孔が穿設されたテーパ部を形
成したものである。The object to be measured, the inner diameter or outer diameter of which is to be measured, is supported by static pressure so as to be movable along the mounting surface, and at least three pieces are installed along the circumference at the tip of the measurement head that loosely fits into the object to be measured. A tapered portion is formed with an air supply hole that blows out compressed gas.
以下１本発明の一実施例を区間を参照して詳述する。 An embodiment of the present invention will be described below in detail with reference to sections.
第１図は、この実施例の測定装置を示している。FIG. 1 shows the measuring device of this embodiment.
この測定装置は１円筒状の被測定物（Ｗ）を載置する次
めの載置台（１）と、被測定物（Ｗ）の円柱状の中空部
（Ｖ） ＩＣ遊挿されるとともに軸線方向に昇降自在に
配設された円柱状の測定ヘッド（２）と、この測定ヘッ
ド（２）を昇降させる昇降機構（図示せず）と。This measuring device consists of a mounting table (1) on which a cylindrical object to be measured (W) is placed, and a cylindrical hollow part (V) of the object to be measured (W), into which an IC is loosely inserted and in the axial direction. A cylindrical measuring head (2) that is disposed so as to be able to rise and fall freely, and a lifting mechanism (not shown) that moves the measuring head (2) up and down.
載置台（１）の被測定物（Ｗ）載置面（３）に圧縮空気
を供給する第１の給気機構（４）と、後述する調芯を目
的として測定ヘッド（２）外周面から外方に圧縮空気を
供給する第２０給気機構（５）と、内径測定のための内
径測定機構（６）とから構成されている。しかして。A first air supply mechanism (4) that supplies compressed air to the object (W) mounting surface (3) of the mounting table (1), and a first air supply mechanism (4) that supplies compressed air to the mounting surface (3) of the object (W) on the mounting table (1), and a It is composed of a 20th air supply mechanism (5) that supplies compressed air to the outside, and an inner diameter measuring mechanism (6) that measures the inner diameter. However.
載置台（１）は、中空部（Ｖ）とほぼ等径の円孔（ｌり
が穿設され九台状の本体部（７）と、この本体部（７）
上にて被測定物（Ｗ）を遊嵌するように円孔（１ａ）と
同軸に突設された円環状の規制壁部（８）とからなって
いる。つｔシ、規制壁部（８）によシ円柱状の中空部（
９）が形成され、この中空部（９）に被測定物（Ｗ）が
、この被測定物（Ｗ）と規制壁部（８）とのギャップに
より決定される一定の範囲内で戟＆ｒｒｉＪ（３３上を
移動自在に保持されるようになっている。そして、載置
面（３）には、第２図く示すよう罠、複数の給気孔ｔｌ
ｌ・・・（ｉ＆低３個）が等配して穿設されている。こ
れら給気孔（ＩＩ・・・は１図示せぬｆ４１の圧縮空気
源に接続し、第１０給気機構（４）を構成している。す
なわち。The mounting table (1) has a main body part (7) in the shape of nine tables with circular holes (L) having approximately the same diameter as the hollow part (V), and a main body part (7) in the shape of nine tables.
It consists of a circular hole (1a) and an annular regulating wall (8) protruding coaxially so as to loosely fit the object (W) thereon. The cylindrical hollow part (
9) is formed, and the object to be measured (W) is placed in the hollow part (9) within a certain range determined by the gap between the object to be measured (W) and the regulating wall (8). The mounting surface (3) has traps and a plurality of air supply holes tl as shown in Figure 2.
l...(3 i & low) are equally spaced and drilled. These air supply holes (II...) are connected to a compressed air source f41 (not shown) and constitute a tenth air supply mechanism (4).
載置面（３）は、給気孔ａ〔・・・から圧縮空気が供給
されることによシ靜圧摺動面となシ、わずかの力で被測
定物（Ｗ）を移動させることができるようになりている
。一方、測定ヘッド（２）は、一端部が昇降機構に連結
された円柱をなし且つ外径が中空部（９）の内径よシ小
さい軸部ａυと、この軸部ａυの他端部に先細となるよ
うに形成されたテーパ部αりとからなりている。そして
、このテーパ部ａ望外局面には。The mounting surface (3) becomes a silent pressure sliding surface by being supplied with compressed air from the air supply hole a [...], and the object to be measured (W) can be moved with a slight force. It is now possible to do so. On the other hand, the measuring head (2) has a cylindrical shaft part aυ whose one end is connected to a lifting mechanism and whose outer diameter is smaller than the inner diameter of the hollow part (9), and a tapered shaft part aυ at the other end. It consists of a tapered part α formed so as to be. And in this taper part a unexpected phase.
円周方向く沿って等配して穿設され九給気孔αＪ・・・
＜ｉ＆低３個）が、軸方向（多段に開口している。Nine air supply holes αJ are drilled at equal intervals along the circumference.
<i&low 3 pieces) are opened in the axial direction (in multiple stages).
これら給気孔崗・・・は１図示せぬ第２の圧縮空気源に
接続され、前記第２０給気機構（５）を構成している。These air supply holes are connected to a second compressed air source (not shown) and constitute the 20th air supply mechanism (5).
さらに、軸部ａυのテーパ部（１りに近接した部位外聞
面には１円周方向く沿って等配して穿設された給気孔ａ
４・・・（最低３個）が開口している。これら給気孔（
１（・・・は、各別に図示せぬ第３の圧縮空気源に接続
されているとともに、それらの流体管路途上には、各給
気孔Ｉ・・・から噴出される圧縮空気の背圧を検出する
複数の空電変換器（図示せず）が設置されている。まな
、各空電変換器は、これら空電変換器から出力された背
圧構出信号に基づいて中空部（Ｖ）の内径を算出する演
算装置（図示せず）Ｋ接続されている。これら演算装置
、空電変換器、第３の圧縮空気源及び給気孔（１４１・
・・蝶、前記内径測定機構（６）を構成している。他方
、昇降機構は、測定ヘッド（２）を、規制壁部（８）及
び円孔（１ａ）と同軸に保持し、かつ軸方向である矢印
（１５ａ）１れるにつれ、徐々に上記ギャップが挟まり
、これに従って１次第に被測定物（Ｗ）が測定ヘッド（
２）と同軸位置に位置決めされる。かくて、給気孔（１
荀・・・が、中空部（Ｖ）の内壁面に対向する位置まで
測定ヘッド（２）が下降した段階においては、被測定物
（′Ｗ）は、完全に調芯されている。しかして、このと
きの給気孔＋１４）・・・から噴出された圧縮空気の背
圧を示す前記空電変換器から出力された検出信号に基づ
いて前記演算装置にて、被測定物（Ｗ）の内径が算出さ
れる。In addition, air supply holes a are provided in the outer surface of the tapered portion of the shaft portion aυ (a portion adjacent to the outer surface of the shaft portion a), which are equally spaced along the circumferential direction.
4... (at least 3) are open. These air supply holes (
1 (... are each connected to a third compressed air source (not shown), and in the middle of these fluid pipes, there is a back pressure of the compressed air ejected from each air supply hole I... A plurality of pneumatic converters (not shown) are installed to detect the ) is connected to a computing device (not shown) K for calculating the inner diameter of the
...The butterfly constitutes the inner diameter measuring mechanism (6). On the other hand, the elevating mechanism holds the measuring head (2) coaxially with the regulating wall (8) and the circular hole (1a), and gradually closes the gap as it moves in the axial direction (arrow (15a) 1). , according to this, the object to be measured (W) is gradually moved to the measuring head (
2) is positioned coaxially with Thus, the air supply hole (1
At the stage when the measuring head (2) has descended to the position where the shaft faces the inner wall surface of the hollow portion (V), the object to be measured ('W) is completely aligned. At this time, based on the detection signal output from the pneumatic converter, which indicates the back pressure of the compressed air blown out from the air supply hole +14)... The inner diameter of is calculated.
このように、この実施例の内径測定装置においては、測
定ヘッド（２）に対して被測定物（Ｗ）を自動的に調芯
することができるので、測定ヘッド（２）の衝突によυ
被測定物（Ｗ）に損傷を与えることがなくなるとともに
、測定能率が向上する。また、被測定物（Ｗ）の内径測
定精度も向上する。In this way, in the inner diameter measuring device of this embodiment, the object to be measured (W) can be automatically aligned with the measuring head (2), so that υ
Damage to the object (W) to be measured is eliminated, and measurement efficiency is improved. Moreover, the accuracy of measuring the inner diameter of the object to be measured (W) is also improved.
なお、上記実施例は、内径測定装置について例示してい
るが、第３図に示すように、外径測定装置についても適
用できる。この場合の測定ヘッド０１）は１円筒状であ
り、外径測定対象となる円柱状の被測定物四が遊挿する
中空部間を有している。Note that, although the above embodiment is exemplified with respect to an inner diameter measuring device, it can also be applied to an outer diameter measuring device as shown in FIG. The measuring head 01) in this case has a cylindrical shape, and has a hollow space into which a cylindrical object 4 to be measured is loosely inserted.
この測定ヘッド（２カの先端部内壁面には、開口側が大
径と表るテーパ部（財）が形成されている。このテーパ
部（財）内周面には１円周方向に沿って等配して穿設さ
れた給気孔（ハ）・・・（最低３個）が開口している。On the inner wall surface of the tip of this measuring head (two parts), a tapered part (material) whose opening side appears as a large diameter is formed. Air supply holes (c) arranged and drilled (at least 3) are open.
また、テーパ部（２４に近接した部位には、外径測定用
の給気孔（イ）・・・（最低３個）が円周方向に沿って
等配して穿設されている。この場合も、被測定物＠を静
圧支持させることにより、上記実施例と同様にして自動
調芯を行うことができる。In addition, in the vicinity of the tapered part (24), air supply holes (A) for measuring the outer diameter (at least 3) are drilled at equal intervals along the circumferential direction. In this case Also, by statically supporting the object to be measured, automatic alignment can be performed in the same manner as in the above embodiment.
さらに、径測定方法は、エアーマイクロメータ方式に限
るとと々く２例えば電気マイクロメータ等、いずれの方
法を採用してもよい。さらに、調芯用の円周方向に沿っ
九給気孔は、複数段でなく。Further, the diameter measurement method may be any method including an air micrometer method, for example, an electric micrometer method. Furthermore, there are nine air supply holes along the circumferential direction for centering, rather than multiple stages.
一段でもよい。さらに、測定ヘッド側を固定し。Even one step is fine. Furthermore, fix the measuring head side.
載置台側を昇降させるようにしてもよい。The mounting table side may be raised and lowered.
本発明の測定装置は、測定ヘッドに対して被測定物を同
軸となるように自動的に調芯することができるので、被
測定物の内径又は外径を、損傷を与えることなく、高精
度かつ高能率で測定することができる。The measuring device of the present invention can automatically align the object to be measured so that it is coaxial with the measurement head, so the inner diameter or outer diameter of the object can be adjusted with high precision without causing damage. And it can be measured with high efficiency.
第１図は本発明の一実施例の測定装置の構成を示す図、
第２図は同じく載置台の平面図、に３図は本発明の他の
実施例の測定装置の説明図、第４図は従来の径測定の欠
点の説明図である。
（１）：載置台、 （２＞、（２υ：測定ヘッ
ド。
（３）：載置面、 ａり、Ｑ４：テーパ部。
職翰：給気孔、 （Ｗ） ：被測定物。
代理人 弁理士 則 近 憲 佑
（ほか１名）
第３図FIG. 1 is a diagram showing the configuration of a measuring device according to an embodiment of the present invention;
FIG. 2 is a plan view of the mounting table, FIG. 3 is an explanatory diagram of a measuring device according to another embodiment of the present invention, and FIG. 4 is an explanatory diagram of the drawbacks of conventional diameter measurement. (1): Placement table, (2>, (2υ): Measuring head. (3): Placement surface, aperture, Q4: Taper part. Worker's hand: Air supply hole, (W): Object to be measured. Agent: Patent attorney Kensuke Chika (and 1 other person) Figure 3
Claims (3)
。 （イ）径を測定される被測定物が載置される載置面に沿
って移動自在に上記被測定物を静圧支持する載置台。 同上記被測定物に遊嵌される形状に形成され、上記被測
定物に対向する先端部に円周方向に等配して３個以上圧
縮気体を噴出する給気孔が穿設されたテーパ部を有する
測定ヘッド。 （ハ）上記測定ヘッドの上記テーパ部に近接した部位に
設けられ、上記被測定物の径を検出する径検出機構。 （ニ）上記測定ヘッドを上記載置台上に支持されている
被測定物に対してほぼ同軸に支持するとともに、上記被
測定物に対して軸方向に相対的に進退させる昇降機構。(1) A measurement head characterized by having the following configuration. (a) A mounting table that statically supports the object to be measured so as to be movable along the mounting surface on which the object whose diameter is to be measured is placed. A tapered part formed in a shape to be loosely fitted into the object to be measured, and having three or more air supply holes for ejecting compressed gas equally distributed in the circumferential direction at the tip facing the object to be measured. Measuring head with. (c) A diameter detection mechanism that is provided at a portion of the measurement head close to the tapered portion and detects the diameter of the object to be measured. (d) An elevating mechanism that supports the measurement head substantially coaxially with respect to the object to be measured supported on the mounting table and moves it forward and backward relative to the object to be measured in the axial direction.
円筒状の被測定物に遊挿されることを特徴とする特許請
求の範囲第１項記載の測定装置。(2) The measuring device according to claim 1, wherein the measuring head is formed in a cylindrical shape and is loosely inserted into a cylindrical object whose inner diameter is to be measured.
円柱状の被測定物に遊挿されることを特徴とする特許請
求の範囲第１項記載の測定装置。(3) The measuring device according to claim 1, wherein the measuring head is formed in a cylindrical shape and is loosely inserted into a cylindrical object to be measured in outer diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9091085A JPS61250507A (en) | 1985-04-30 | 1985-04-30 | Measuring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9091085A JPS61250507A (en) | 1985-04-30 | 1985-04-30 | Measuring apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61250507A true JPS61250507A (en) | 1986-11-07 |
| JPH0423723B2 JPH0423723B2 (en) | 1992-04-23 |
Family
ID=14011562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9091085A Granted JPS61250507A (en) | 1985-04-30 | 1985-04-30 | Measuring apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61250507A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006284376A (en) * | 2005-03-31 | 2006-10-19 | Aisin Aw Co Ltd | Positioning device, air micro measuring device, and measuring method thereof |
| JP2009150780A (en) * | 2007-12-20 | 2009-07-09 | Honda Motor Co Ltd | Back pressure type gas micrometer, and internal diameter simultaneous inspection system and internal diameter simultaneous inspection method of plurality of hole parts to be inspected |
| JP2009156598A (en) * | 2007-12-25 | 2009-07-16 | Bridgestone Corp | Inspection tool and inspection method for mounting hole |
| US8485021B2 (en) | 2008-01-21 | 2013-07-16 | Mitsubishi Heavy Industries, Ltd. | Measuring head for air micrometer |
| CN104048627A (en) * | 2014-06-27 | 2014-09-17 | 贵州红林机械有限公司 | Multi-nozzle pneumatic line measurement needle, calibration ring thereof, calibration method and measurement method |
| CN105004288A (en) * | 2015-07-22 | 2015-10-28 | 郑州中量测控科技有限公司 | Pneumatic internal-diameter measurement device |
| CN106546198A (en) * | 2016-09-27 | 2017-03-29 | 重庆西电普华智能机器人技术有限公司 | A kind of hole location device for fast detecting |
| CN111238423A (en) * | 2020-03-05 | 2020-06-05 | 屈静清 | Detection apparatus for bearing inner race axiality |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51128564U (en) * | 1975-04-14 | 1976-10-18 |
-
1985
- 1985-04-30 JP JP9091085A patent/JPS61250507A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51128564U (en) * | 1975-04-14 | 1976-10-18 |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006284376A (en) * | 2005-03-31 | 2006-10-19 | Aisin Aw Co Ltd | Positioning device, air micro measuring device, and measuring method thereof |
| JP2009150780A (en) * | 2007-12-20 | 2009-07-09 | Honda Motor Co Ltd | Back pressure type gas micrometer, and internal diameter simultaneous inspection system and internal diameter simultaneous inspection method of plurality of hole parts to be inspected |
| JP2009156598A (en) * | 2007-12-25 | 2009-07-16 | Bridgestone Corp | Inspection tool and inspection method for mounting hole |
| US8485021B2 (en) | 2008-01-21 | 2013-07-16 | Mitsubishi Heavy Industries, Ltd. | Measuring head for air micrometer |
| CN104048627A (en) * | 2014-06-27 | 2014-09-17 | 贵州红林机械有限公司 | Multi-nozzle pneumatic line measurement needle, calibration ring thereof, calibration method and measurement method |
| CN105004288A (en) * | 2015-07-22 | 2015-10-28 | 郑州中量测控科技有限公司 | Pneumatic internal-diameter measurement device |
| CN106546198A (en) * | 2016-09-27 | 2017-03-29 | 重庆西电普华智能机器人技术有限公司 | A kind of hole location device for fast detecting |
| CN111238423A (en) * | 2020-03-05 | 2020-06-05 | 屈静清 | Detection apparatus for bearing inner race axiality |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0423723B2 (en) | 1992-04-23 |
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