JPS6343010Y2 - - Google Patents
Info
- Publication number
- JPS6343010Y2 JPS6343010Y2 JP1984132136U JP13213684U JPS6343010Y2 JP S6343010 Y2 JPS6343010 Y2 JP S6343010Y2 JP 1984132136 U JP1984132136 U JP 1984132136U JP 13213684 U JP13213684 U JP 13213684U JP S6343010 Y2 JPS6343010 Y2 JP S6343010Y2
- Authority
- JP
- Japan
- Prior art keywords
- centering element
- centering
- diameter
- shank
- center hole
- 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
- 238000005259 measurement Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 6
- 238000003801 milling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Machine Tool Sensing Apparatuses (AREA)
Description
この考案は機械加工を施す場合に被加工物の端
面に当接して加工位置を読みとるために使用され
る芯出しゲージの改良に関する。
This invention relates to an improvement in a centering gauge used to read the machining position by coming into contact with the end face of a workpiece during machining.
従来のこの種のゲージとして例えば第３図に示
すものがある。
このゲージは、全長が同径のスリーブからなる
シヤンク部１と、該シヤンク部１に内蔵されてそ
の上端内壁部に基端が繋止されたバネ部材２と、
該バネ部材２の先端に連結されてそのバネ力で前
記シヤンク部１の下端に圧接保持された芯出し素
子３とからなつている。
そして、かかるゲージはフライス盤の主軸に設
けられたチヤツク機構４でチヤツキングされて使
用に供せられる。
ところが、上記従来のゲージにあつては、前述
の如くシヤンク部１が全長に亘つて同径のため、
該シヤンク部１の上端側を前記チヤツク機構４で
チヤツキングさせるための取付軸部１′としてい
るにすぎない。
このような取付軸部１′は、シヤンク部１が内
部全長に亘つてバネ部材２を内蔵していることか
ら、外径を小さくできないのが実情である。
一方、前記チヤツク機構４にあつても、これに
チヤツキングさせる軸径の許容範囲が異なつた
種々のものがあるため、如何なる種類のチヤツク
機構４にでも前記取付軸部１′をチヤツキング可
能にするためには、該取付軸部１′を可及的に小
径にすることが好ましい。
かかる事由から、前述の如くバネ部材２を内蔵
したシヤンク部１の外径より小径にできない取付
軸部１′は、チヤツク機構４の種類によつてチヤ
ツキングさせ得ない場合が生じ、フライス用芯出
しゲージとしての汎用性に欠けるという難点があ
る。
また、特開昭53−33485号の芯出しホルダーに
おいては、ホルダ先端部を、残るホルダ本体側に
対しバネで引張られた状態の別体の感知ピースと
して構成し、このピースがホルダ本体の先端部に
対し同心を含む平行軸関係に同行回転できるよう
にした芯出しホルダーの構成が開示されている。
しかし、この場合、ホルダ本体の突部が感知ピ
ースと完全に一致する外径をもつているため、被
加工物はホルダ本体と感知ピースとの両方の周面
と衝合することが測定条件となるのでチヤツキン
グの際のホルダ本体の振れは精度に関係すること
となり正確な取付が必要となる。
また、測定時に感知ピースを所定軌跡で突部に
対して偏心して回転させるために、突部と感知ピ
ースの摺接面より上部に感知ピースから突出する
巾規制部を設けて周隙間を設け、更に上記巾規制
部の上部に下側バネ受を突設してホルダ本体の上
端の上側バネ受に掛合されたバネの下端が掛合さ
れている。
従つて、バネは突部と感知ピースの摺接面より
かなり上方で下端が掛合されるので、ホルダ本体
は大型化が免れない欠点があつた。
An example of a conventional gauge of this type is the one shown in FIG. This gauge includes a shank part 1 consisting of a sleeve with the same diameter over the entire length, a spring member 2 built into the shank part 1 and whose base end is fixed to the upper inner wall part of the shank part 1.
It consists of a centering element 3 connected to the tip of the spring member 2 and held in pressure contact with the lower end of the shank part 1 by the spring force. Then, this gauge is chucked by a chuck mechanism 4 provided on the main shaft of the milling machine and put into use. However, in the case of the above-mentioned conventional gauge, since the shank portion 1 has the same diameter over the entire length as described above,
The upper end side of the shank portion 1 is simply a mounting shaft portion 1' for being chucked by the chuck mechanism 4. In reality, the outer diameter of such a mounting shaft portion 1' cannot be reduced because the shank portion 1 incorporates the spring member 2 over its entire internal length. On the other hand, since there are various kinds of chuck mechanisms 4 that have different allowable ranges of shaft diameters to which they can be chucked, it is necessary to make it possible for any type of chuck mechanism 4 to chuck the mounting shaft portion 1'. Therefore, it is preferable to make the diameter of the mounting shaft portion 1' as small as possible. For this reason, as mentioned above, the mounting shaft portion 1', which cannot be made smaller in diameter than the outer diameter of the shank portion 1 that incorporates the spring member 2, may not be able to be chucked depending on the type of chuck mechanism 4. The drawback is that it lacks versatility as a gauge. Furthermore, in the centering holder disclosed in JP-A No. 53-33485, the tip of the holder is constructed as a separate sensing piece that is tensioned by a spring against the remaining holder main body. A configuration of a centering holder is disclosed that allows the centering holder to rotate along parallel axes including concentrically with respect to the centering portion. However, in this case, the protrusion on the holder body has an outer diameter that perfectly matches that of the sensing piece, so the measurement condition is that the workpiece collides with the circumferential surfaces of both the holder body and the sensing piece. Therefore, the vibration of the holder body during chucking is related to accuracy, and accurate installation is required. In addition, in order to rotate the sensing piece eccentrically with respect to the protrusion on a predetermined trajectory during measurement, a width regulating part is provided above the sliding contact surface of the protrusion and the sensing piece to protrude from the sensing piece to provide a circumferential gap. Furthermore, a lower spring receiver is provided protrudingly from the upper part of the width regulating portion, and the lower end of the spring engaged with the upper spring receiver at the upper end of the holder main body is engaged. Therefore, since the lower end of the spring is engaged at a position considerably above the sliding surface of the protrusion and the sensing piece, the holder body inevitably becomes larger.
この考案は上記事情に鑑みてなされたもので、
シヤンク部と芯出し素子との摺接面より下の位置
でバネ材の下端を掛合してシヤンク部の小型化を
可能とすると共に、シヤンク部を芯出し素子より
小径にして測定時にシヤンク部を被加工物と接触
させないようにして測定を容易とした芯出しゲー
ジを提供するにある。
This idea was made in view of the above circumstances,
By engaging the lower end of the spring material at a position below the sliding contact surface between the shank part and the centering element, it is possible to make the shank part more compact. To provide a centering gauge that facilitates measurement by not coming into contact with a workpiece.
この考案は上記課題を達成するために、
芯出し素子を内蔵したバネで保持するシヤンク
部と、該シヤンク部より小径にした取付軸部を一
体に設けた芯出しゲージにおいて、
(a) シヤンク部の下端に配置されてシヤンク部よ
り大径に設定された芯出し素子を設ける、
(b) 該芯出し素子の中心位置で上下に貫通する中
心孔を設ける、
(c) 中心孔の径より長く設定されて上記芯出し素
子の下側で衝合可能に配置されたバネ受用のピ
ンを設ける、
(d) 前記シヤンク部に内蔵されてシヤンク部の上
部で軸芯位置に一端を連結し、他端を上記芯出
し素子の中心孔を貫挿してバネ受用のピンに連
結し、芯出し素子をシヤンク部に押圧させるバ
ネ部材を設ける、
という技術的手段を講じた。
In order to achieve the above-mentioned problems, this invention has a centering gauge that is integrally provided with a shank part held by a spring containing a centering element and a mounting shaft part having a smaller diameter than the shank part.(a) The shank part (b) provide a center hole that penetrates vertically at the center position of the centering element; (c) provide a center hole that is longer than the diameter of the center hole; (d) a spring receiving pin built in the shank part and connected to the axial center position at the upper part of the shank part; A technical measure was taken in which a spring member was provided whose end was inserted through the center hole of the centering element and connected to a spring receiving pin to press the centering element against the shank portion.
測定時に、芯出し素子は、張設されたバネ材を
中心として、芯出し素子は中心孔の直径分だけシ
ヤンク部から偏心して回転する。
また、バネ材で引つ張られるバネ受用のピンは
芯出し素子の下面と衝合するが接触面積が少なく
シヤンク部と芯出し素子との摺動の障害とならな
い。
更に被加工物はシヤンク部より大径の芯出し素
子と衝合するのみで、シヤンク部とは常に非接触
であるので取付軸部に取付誤差が生じたとしても
測定に際してての条件（基準面）とはならず精度
に関係しない。
During measurement, the centering element rotates eccentrically from the shank portion by the diameter of the center hole around the tensioned spring material. Further, although the spring receiving pin pulled by the spring material abuts against the lower surface of the centering element, the contact area is small and does not interfere with sliding between the shank portion and the centering element. Furthermore, the workpiece only collides with the centering element, which has a larger diameter than the shank part, and is always in non-contact with the shank part. ) and is not related to accuracy.
以下、この考案の芯出しゲージの好適実施例を
第１図に基づいて説明する。
同図において、１０はフライス用芯出しゲージ
の本体となるシヤンク部で、下端が開口した金属
製のスリーブからなつている。
かかるシヤンク部１０の上端軸心部には、該シ
ヤンク部の外径より小径の取付軸部１１が一体形
成されている。
また、前記シヤンク部１０の上端側周壁には対
向位置で開口する一対のピン孔Ｈ１，Ｈ２が穿設
されている。
これらのピン孔Ｈ１，Ｈ２にはバネ掛止用のピ
ンＰ１が嵌着横架されている。
該ピンＰ１には、前記シヤンク部１０に内蔵さ
せたバネ部材１２の基端が掛止されている。
１３はシヤンク部１０の下端に設ける芯出し素
子にして、該芯出し素子１３はシヤンク部１０の
外径より大径の真円形状に一体形成され、且つ焼
入れと研磨が施された高精度のもので、中心孔１
３Ａを有している。
この中心孔１３Ａは上面の開口を小径とし、底
面の開口を大径としており、上面の開口から同一
径で中途位置まで形成され該中途位置から底面の
開口に向い漸次大径に拡開するテーパ孔部１３
A′が形成されている。
そして、前記中心孔１３Ａに前記バネ部材１２
の先端側が引つ張られた状態で挿通され、その先
端部をバネ受用のピンＰ２で芯出し素子１３の下
端に掛止することによつて、ピンＰ２は少ない接
触面積で芯出し素子１３と衝合し、該芯出し素子
１３の上面をシヤンク部１０の下端面に対し弾性
的に押圧保持させている。
また該芯出し素子１３の上面とシヤンク部１０
の下端面とは極めて少ない摩擦で接触するよう形
成されており芯出し素子１３は周方向に摺動自在
となつている。
これにより、測定時に芯出し素子１３は、張設
されたバネ部材１２を中心として、小径の中心孔
１３Ａの直径分だけシヤンク部１０から偏心して
回転摺動することができる。
斯くして、上記構成の芯出しゲージは、そのシ
ヤンク部１０上端側の小径取付軸部１１をホール
盤の主軸に設けられたチヤツク機構１４でチヤツ
キングさせることにより使用に供せられる。
つぎに、上記実施例の作用を第２図に基づいて
説明する。
まず、ボール盤の主軸を回転させると、それと
同軸上のシヤンク部１０を介して芯出し素子１３
が偏芯状態で回転する。
この状態で第２図Ａの如く芯出し素子１３の周
面を被加工物Ｗの端面に徐々に当接させると、第
２図Ｂに示す如く芯出し素子１３の芯振れが０点
になる。
０点になつた芯出し素子１３は第２図Ｃに示す
如く被加工物Ｗの端面と反対側の横方向に向かつ
て瞬間的にスライスする。
そのスライス位置がフライス芯出しのための基
準位置となる。
すなわち、前記スライス位置においては、被加
工物Ｗの端面とボール盤主軸の中心との距離が芯
出し素子１３の半径に等しくなる。
従つて、ボール盤のテーブルを前記距離分だけ
主軸側に摺動させることによつてフライスの芯出
しが完了する。
A preferred embodiment of the centering gauge of this invention will be described below with reference to FIG. In the figure, reference numeral 10 denotes a shank portion which is the main body of the centering gauge for milling, and is made of a metal sleeve with an open bottom end. A mounting shaft portion 11 having a smaller diameter than the outer diameter of the shank portion is integrally formed at the upper end shaft center portion of the shank portion 10. Further, a pair of pin holes H1 and H2 are formed in the upper end side peripheral wall of the shank portion 10 and open at opposing positions. A spring-latching pin P1 is fitted and horizontally suspended in these pin holes H1 and H2. A base end of a spring member 12 built into the shank portion 10 is hooked to the pin P1. Reference numeral 13 denotes a centering element provided at the lower end of the shank part 10. The centering element 13 is integrally formed in a perfect circular shape with a larger diameter than the outer diameter of the shank part 10, and is made of high precision hardened and polished material. center hole 1
It has 3A. The center hole 13A has a small diameter opening on the top surface and a large diameter opening on the bottom surface, and has a taper that is formed from the top surface opening to a halfway point with the same diameter and gradually widens to a larger diameter from the halfway point toward the bottom surface opening. Hole 13
A′ is formed. Then, the spring member 12 is inserted into the center hole 13A.
The pin P2 is inserted into the centering element 13 with its tip side being stretched, and by hooking the tip end to the lower end of the centering element 13 with the spring receiving pin P2, the pin P2 can be connected to the centering element 13 with a small contact area. The upper surface of the centering element 13 is elastically pressed and held against the lower end surface of the shank portion 10. In addition, the upper surface of the centering element 13 and the shank portion 10
The centering element 13 is formed so as to be in contact with the lower end surface of the centering element 13 with extremely little friction, so that the centering element 13 can freely slide in the circumferential direction. Thereby, during measurement, the centering element 13 can rotate and slide eccentrically from the shank portion 10 by the diameter of the small center hole 13A around the tensioned spring member 12. Thus, the centering gauge having the above structure is put into use by chucking the small diameter mounting shaft portion 11 on the upper end side of the shank portion 10 with the chuck mechanism 14 provided on the main shaft of the hole board. Next, the operation of the above embodiment will be explained based on FIG. 2. First, when the main shaft of the drilling machine is rotated, the centering element 13 is
rotates eccentrically. In this state, when the peripheral surface of the centering element 13 is gradually brought into contact with the end surface of the workpiece W as shown in FIG. 2A, the center runout of the centering element 13 becomes 0 point as shown in FIG. 2B. . The centering element 13, which has reached the zero point, instantaneously slices the workpiece W in the lateral direction opposite to the end surface thereof, as shown in FIG. 2C. The slice position becomes the reference position for centering the milling cutter. That is, at the slicing position, the distance between the end surface of the workpiece W and the center of the main shaft of the drilling machine becomes equal to the radius of the centering element 13. Therefore, the centering of the milling cutter is completed by sliding the table of the drill press by the distance toward the spindle.
シヤンク部と芯出し素子との衝合面より下方で
バネ材を掛合したので、シヤンク部に内蔵するバ
ネ材に対してシヤンク部を可及的に小型化するこ
とができる。
また、芯出し素子の偏心のための軌跡は中心孔
の径の大きさで設定できるので、そのための構成
が極めて簡単となる。
更に、シヤンク部は被加工物とは非接触となる
ので、取付軸部のチヤツキングに際して取付誤差
が生じていてもシヤンク部の周面は測定の基準面
とはならず精度に関係しない。
即ち、測定に際しては被加工物は芯出し素子と
衝合するだけなので、測定精度を一層高めること
ができて好ましい。
Since the spring material is engaged below the abutment surface between the shank part and the centering element, the shank part can be made as small as possible compared to the spring material built into the shank part. Furthermore, since the locus for eccentricity of the centering element can be set by the size of the diameter of the center hole, the configuration for this purpose is extremely simple. Furthermore, since the shank part does not come into contact with the workpiece, even if a mounting error occurs when chucking the mounting shaft part, the circumferential surface of the shank part does not serve as a reference surface for measurement and has no effect on accuracy. That is, during measurement, the workpiece only collides with the centering element, which is preferable because measurement accuracy can be further improved.
第１図はこの考案の好適一実施例に係わる芯出
しゲージの断面図、第２図Ａ〜Ｄは同作用説明
図、第３図は従来の芯出しゲージの断面図であ
る。
１０……シヤンク部、１１……小径取付軸部、
１２……バネ部材、１３……芯出し素子、１３Ａ
……中心孔。
FIG. 1 is a sectional view of a centering gauge according to a preferred embodiment of this invention, FIGS. 2A to 2D are explanatory views of the same operation, and FIG. 3 is a sectional view of a conventional centering gauge. 10...Shank part, 11...Small diameter mounting shaft part,
12... Spring member, 13... Centering element, 13A
...Central hole.
Claims (1)
ク部と、該シヤンク部より小径にした取付軸部
を一体に設けた芯出しゲージにおいて、 シヤンク部の下端に配置されてシヤンク部よ
り大径に設定された芯出し素子と、 該芯出し素子の中心位置で上下に貫通する中
心孔と、 中心孔の径より長く設定されて上記芯出し素
子の下側で衝合可能に配置されたバネ受用のピ
ンと、 前記シヤンク部に内蔵されてシヤンク部の上
部で軸芯位置に一端を連結し、他端を上記芯出
し素子の中心孔を貫通してバネ受用のピンに連
結し、芯出し素子をシヤンク部に押圧させるバ
ネ部材とからなることを特徴とした芯出しゲー
ジ。 (2) 中心孔が上面の開口を小径とし、底面の開口
を大径としており、上面の開口から同一径で中
途位置まで形成され該中途位置から底面の開口
に向い漸次大径に拡開するテーパ孔部が形成さ
れていることを特徴とする実用新案登録請求の
範囲第１項記載の芯出しゲージ。[Scope of Claim for Utility Model Registration] (1) In a centering gauge that is integrally provided with a shank portion held by a spring containing a centering element and a mounting shaft portion having a smaller diameter than the shank portion, the lower end of the shank portion a centering element arranged and set to have a larger diameter than the shank portion; a center hole passing through vertically at the center position of the centering element; and a center hole set longer than the diameter of the center hole and below the centering element. A pin for a spring receiver arranged so as to be able to abut against each other, and a pin for a spring receiver built in the shank part, one end of which is connected to the axis position at the upper part of the shank part, and the other end passed through the center hole of the centering element. A centering gauge characterized by comprising a spring member connected to a pin and pressing a centering element against a shank portion. (2) The center hole has a small diameter opening on the top surface and a large diameter opening on the bottom surface, and is formed with the same diameter from the opening on the top surface to a halfway position, and gradually expands to a larger diameter from the halfway point toward the opening on the bottom surface. The centering gauge according to claim 1, characterized in that a tapered hole is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13213684U JPS6146146U (en) | 1984-08-31 | 1984-08-31 | centering gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13213684U JPS6146146U (en) | 1984-08-31 | 1984-08-31 | centering gauge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6146146U JPS6146146U (en) | 1986-03-27 |
| JPS6343010Y2 true JPS6343010Y2 (en) | 1988-11-10 |
Family
ID=30690698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13213684U Granted JPS6146146U (en) | 1984-08-31 | 1984-08-31 | centering gauge |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6146146U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5333485A (en) * | 1976-09-08 | 1978-03-29 | Hiroshi Houjiyou | Centering holdfr |
| JPS5395381A (en) * | 1977-01-31 | 1978-08-21 | Kenichi Tsujihara | Centering tool |
-
1984
- 1984-08-31 JP JP13213684U patent/JPS6146146U/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5333485A (en) * | 1976-09-08 | 1978-03-29 | Hiroshi Houjiyou | Centering holdfr |
| JPS5395381A (en) * | 1977-01-31 | 1978-08-21 | Kenichi Tsujihara | Centering tool |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6146146U (en) | 1986-03-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5046262A (en) | Spherical edge locator for machining | |
| US11255654B2 (en) | Misalignment determining device | |
| US4936559A (en) | Indexing work-piece holder for numerically-controlled machine tools | |
| US4211014A (en) | Devices for inspecting bores | |
| JPS63150601A (en) | Three-dimensional measuring device for size of body | |
| JPS6343010Y2 (en) | ||
| US4351111A (en) | Machine tool for scribing arcs and circles | |
| JP5008498B2 (en) | Blade height measuring device | |
| JPS6144506A (en) | Tool holder | |
| US2533024A (en) | Gauging instrument for setting cutting tools | |
| JP2002066855A (en) | Rotating tool holding device and head removal jig | |
| JPH06254747A (en) | Tool attaching position regulating method and measuring tool for regulation | |
| JPH04507381A (en) | Tools for use in machine tools | |
| JPH0419446Y2 (en) | ||
| JPS5953107A (en) | Chuck | |
| JPH0632562Y2 (en) | Concentricity measuring device | |
| US4262456A (en) | Method for positioning a dressing wheel | |
| JPH0752565Y2 (en) | measuring device | |
| JPS6245122Y2 (en) | ||
| JPH0118281Y2 (en) | ||
| JPS6029411Y2 (en) | Cutting tool edge position measuring device | |
| JP2546928Y2 (en) | Centering gauge | |
| JPS6035845Y2 (en) | Measuring tool | |
| JPS6038168Y2 (en) | Hole position measuring device | |
| JP2504202Y2 (en) | Jig for work size measurement on NC lathe |