JPH1172407A - Balancer - Google Patents
BalancerInfo
- Publication number
- JPH1172407A JPH1172407A JP23352597A JP23352597A JPH1172407A JP H1172407 A JPH1172407 A JP H1172407A JP 23352597 A JP23352597 A JP 23352597A JP 23352597 A JP23352597 A JP 23352597A JP H1172407 A JPH1172407 A JP H1172407A
- Authority
- JP
- Japan
- Prior art keywords
- work
- balancer
- draw bar
- collet
- drawbar
- 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.)
- Pending
Links
Landscapes
- Testing Of Balance (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、ファン、プーリ、
モーター回転子など、工業的に生産される回転部材の高
速回転時に生じる動的な不つりあいを測定するバランサ
に関する。TECHNICAL FIELD The present invention relates to a fan, a pulley,
The present invention relates to a balancer for measuring a dynamic unbalance generated when a rotating member industrially produced, such as a motor rotor, rotates at a high speed.
【０００２】[0002]
【従来の技術】従来のたて形バランサにあっては、動的
不つりあいの被測定物であるワークの装置への装着には
コレット式のアダプタが多く用いられており、ワークの
着脱にはバランサの回転主軸内に貫設された長大なチャ
ッキングロッドの上下動でコレットの開閉を行う機構が
採用され、長大で重いチャッキングロッドの慣性力の影
響を避けるため、複雑な除振機構を余儀なく付加してい
た。2. Description of the Related Art In a conventional vertical balancer, a collet-type adapter is often used for mounting a workpiece, which is a dynamically unbalanced workpiece, to a device. A mechanism that opens and closes the collet by moving up and down a long chucking rod penetrating the rotating spindle of the balancer is adopted.To avoid the influence of the inertia force of a long and heavy chucking rod, a complex vibration isolation mechanism is used. Had to be added.
【０００３】[0003]
【発明が解決しようとする課題】バランサは動的不つり
あいの測定に被測定物のワークを高速で回転させるため
に装置内の回転部に僅かな動的不つりあいが存在しても
測定誤差の原因になる。また、ワークの着脱時に微小な
振動が生じても測定誤差の原因となる。したがって、回
転主軸内に達するワークの着脱のための長大なチャッキ
ングロッドを設けた従来のバランサでは、着脱機構を構
成するこれら回転部品に起因する振動から生じる変動誤
差を含んだ測定値を計測するという問題があった。In order to measure the dynamic unbalance, the balancer rotates the workpiece to be measured at a high speed, so that even if there is a slight dynamic unbalance in the rotating portion in the apparatus, the measurement error can be reduced. Cause. Further, even if a minute vibration occurs when the work is attached or detached, it causes a measurement error. Therefore, in a conventional balancer provided with a long chucking rod for attaching and detaching a work reaching the inside of the rotating spindle, a measurement value including a fluctuation error caused by vibration caused by these rotating components constituting the attaching / detaching mechanism is measured. There was a problem.
【０００４】すなわち、図４は従来から使用されていた
コレット式のアダプタの構成例で、被測定物であるワー
ク１はワーク受け４の上端面に装着され、ワーク受け４
に連接された内張り式コレット２の開閉部の外周面とワ
ーク１の内径面とが係合している。内張り式コレット２
の開閉部の内径側はテーパ状になっており、テーパ状内
径に合致する棒状のテーパ部を上端部に備えたドローバ
３が内装されている。ドローバ３の下部は平行なドロー
バ軸３′になっており、内張り式コレット２の軸心とア
ダプタ本体５上部の軸心を貫通している。ドローバ軸
３′はチャッキングロッド１５と一体になっていて、こ
のチャッキングロッド１５を介して直動アクチュエータ
１１の上下作動がドローバ軸３′に伝達されるよう構成
されているのである。また、図示例から明らかなよう
に、長大で重いチャッキングロッド１５の作動時の衝撃
を避けるために、直動アクチュエータ１１を機枠１３に
直接固定せずに板バネ１４を介して支持し、直動アクチ
ュエータ１１に固設されたフック１６をバランサ回転主
軸９の下端に係合させるように配設して直動アクチュエ
ータ１１の作動で上下動するアクチュエータロッド１２
でチャッキングロッド１５を押し上げ、チャッキングロ
ッド１５と連接するドローバ３と内張り式コレット２の
係合を解く方式を採っている。したがって、構成は複雑
かつ長大なものになっており、特に重いチャッキングロ
ッド１５の慣性力による振動などの影響は避け難い問題
となっている。FIG. 4 shows an example of the structure of a collet-type adapter that has been conventionally used. A work 1 to be measured is mounted on the upper end surface of a work receiver 4 and the work receiver 4 is mounted.
The outer peripheral surface of the opening / closing part of the lining type collet 2 connected to the inner surface of the work 1 is engaged with the inner peripheral surface of the work 1. Lined collet 2
The inside diameter side of the opening / closing portion is tapered, and a drawbar 3 having a rod-shaped tapered portion at the upper end portion corresponding to the tapered inside diameter is provided therein. The lower part of the drawbar 3 is a parallel drawbar shaft 3 ′, which penetrates the axis of the lining type collet 2 and the axis of the upper part of the adapter body 5. The drawbar shaft 3 'is integrated with the chucking rod 15, and the vertical movement of the linear motion actuator 11 is transmitted to the drawbar shaft 3' via the chucking rod 15. Further, as is apparent from the illustrated example, in order to avoid a shock at the time of operation of the long and heavy chucking rod 15, the linear motion actuator 11 is supported via the leaf spring 14 without being directly fixed to the machine frame 13, An actuator rod 12 that is disposed so as to be engaged with a lower end of the balancer rotating main shaft 9 and that is fixed to the linear actuator 11 so as to move up and down by the operation of the linear actuator 11.
The chucking rod 15 is pushed up by the lever to disengage the drawbar 3 connected to the chucking rod 15 and the lining type collet 2. Therefore, the configuration is complicated and long, and the influence of the vibration due to the inertial force of the heavy chucking rod 15 is an unavoidable problem.
【０００５】本発明は、かかる問題点を解消するために
回転主軸内より長大なチャッキングロッドを除いたワー
クの着脱機構を備えたバランサの提供を目的とする。SUMMARY OF THE INVENTION It is an object of the present invention to provide a balancer having a work attaching / detaching mechanism excluding a chucking rod which is longer than the inside of a rotary spindle in order to solve such a problem.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するため
に、本発明のバランサにおいては、ワークを固着するワ
ーク受けに固設された内張り式コレットを開閉させるテ
ーパ部を備えた短小のドローバを内張り式コレットのテ
ーパ部に沿うように内設し、このドローバ軸端に棒状の
受圧ピンを同軸心と直交して取り付け、内張り式コレッ
トと連接するアダプタ本体の開口部より受圧ピンを回転
軸の外側に突出するように配し、突出した受圧ピンと回
転軸外に設けた直動アクチュエータの作動で上下動する
アンチャックアームとを係合させ、アンチャックアーム
の作動でバランサ回転主軸の軸外からワークの装置への
着脱を可能にした。In order to achieve the above object, a balancer according to the present invention is provided with a short and small drawbar having a tapered portion for opening and closing a lined collet fixed to a work receiver for fixing a work. A rod-shaped pressure receiving pin is attached to the end of the drawbar shaft orthogonal to the coaxial center, and the pressure receiving pin is connected to the rotating shaft through the opening of the adapter body connected to the lined collet. It is arranged so as to protrude outward, and the protruding pressure receiving pin is engaged with the unchuck arm that moves up and down by the operation of the linear motion actuator provided outside the rotary shaft, and from the outside of the balancer rotating main shaft by the operation of the unchuck arm. Work can be attached to and detached from the device.
【０００７】したがって、ワークの着脱動作時において
も、長大なチャッキングロッドの上下動で生じる振動の
ような不規則な外乱も無く、また、部品の小型化・簡略
化による効果によって構成部品そのものの不つりあいか
ら生じる振動も最少化が図れ高精度の不つりあいの測定
ができる。Therefore, even when the workpiece is attached or detached, there is no irregular disturbance such as vibration caused by the vertical movement of the long chucking rod, and the effect of the miniaturization and simplification of the component makes the component itself. Vibrations caused by unbalance can be minimized, and highly accurate unbalance measurement can be performed.
【０００８】[0008]
【発明の実施の形態】本発明のバランサの一実施例を図
１〜図３に基づいて説明する。図１に本発明の実施例装
置の構成を示す。被測定物であるワーク１はワーク受け
４の上端面に装着され、ワーク受け４に連接された内張
り式コレット２の開閉部の外周面とワーク１の内径面と
が係合している。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a balancer according to the present invention will be described with reference to FIGS. FIG. 1 shows the configuration of an embodiment of the present invention. The work 1 to be measured is mounted on the upper end surface of the work receiver 4, and the outer peripheral surface of the opening / closing section of the lining type collet 2 connected to the work receiver 4 is engaged with the inner diameter surface of the work 1.
【０００９】内張り式コレット２の開閉部の内径側はテ
ーパ状になっており、テーパ状内径に合致する棒状のテ
ーパ部を上端部に備えたドローバ３が内装されている。
ドローバ３の下部は平行なドローバ軸３′になってお
り、内張り式コレット２の軸心とアダプタ本体５上部の
軸心を貫通し、このドローバ軸３′端には軸心と直交し
て突出する棒状の受圧ピン８が取り付けられている。The opening / closing portion of the lining type collet 2 is tapered on the inner diameter side, and a drawbar 3 having a rod-shaped tapered portion at the upper end corresponding to the tapered inner diameter is provided therein.
The lower part of the drawbar 3 is a parallel drawbar shaft 3 ', which penetrates the axis of the lined collet 2 and the axis of the upper part of the adapter body 5, and projects at the end of the drawbar shaft 3' perpendicular to the axis. A rod-shaped pressure receiving pin 8 is attached.
【００１０】受圧ピン８はアダプタ本体５の軸心に対し
て水平方向に設けられた左右の開口部６より外部に張り
出しており、アダプタ本体５の底部はバランサ回転主軸
９と連接し、バランサ回転主軸９の回転に伴いこれに係
合するワーク１、内張り式コレット２、ドローバ３、ワ
ーク受け４およびアダプタ本体５は共に回転する。The pressure receiving pins 8 project outward from left and right openings 6 provided in the horizontal direction with respect to the axis of the adapter body 5, and the bottom of the adapter body 5 is connected to the balancer rotating main shaft 9, and the balancer rotating shaft 9 is rotated. With the rotation of the main shaft 9, the work 1, the lining type collet 2, the drawbar 3, the work receiver 4, and the adapter body 5 which engage with the main shaft 9 rotate together.
【００１１】ドローバ３はアダプタ本体５の内径上側と
連接する受圧ピン８との間に内設されたコイルバネ７の
反発力でつねに内張り式コレット２の開閉部を押し広
げ、コレットの締付効果でワーク１をバランサ回転主軸
９の回転軸上に固着している。バランサ回転主軸９の外
側に位置する機枠１３に配設された直動アクチュエータ
１１の作動で上下動するアクチュエータロッド１２に装
着されたアンチャックアーム１０の端部には、図１に示
すごとくアダプタ本体５が貫設される穴が設けてある。
アダプタ本体５の開口部６より張り出した受圧ピン８
は、バランサ回転主軸９の回転角に関係なく、図２に示
すごとくアンチャックアーム１０にまたがり、直動アク
チュエータ１１の作動によるアクチュエータロッド１２
の上下動時にアンチャックアーム１０と受圧ピン８は係
合する。The drawbar 3 always pushes the open / close portion of the lining type collet 2 by the repulsive force of the coil spring 7 provided between the upper side of the inner diameter of the adapter body 5 and the pressure receiving pin 8 connected thereto, and the collet tightening effect is obtained. The work 1 is fixed on the rotating shaft of the balancer rotating main shaft 9. As shown in FIG. 1, an end of an unchuck arm 10 mounted on an actuator rod 12 which moves up and down by the operation of a linear motion actuator 11 disposed on a machine frame 13 located outside the balancer rotating main shaft 9 is provided with an adapter as shown in FIG. A hole through which the main body 5 is provided is provided.
Pressure receiving pin 8 protruding from opening 6 of adapter body 5
2, irrespective of the rotation angle of the balancer rotating main shaft 9, straddles the unchuck arm 10 as shown in FIG.
The unchuck arm 10 and the pressure receiving pin 8 are engaged during the vertical movement of.
【００１２】コイルバネ７の反発力で受圧ピン８を押し
下げて受圧ピン８に連接するドローバ３と係合する内張
り式コレット２の拡張でワーク受け４に固着されたワー
ク１は、そのあとバランサ回転主軸９の回転で不つりあ
いが測定される。なお、バランサ回転主軸９は図示して
いないが、軸受けで保持されると共に回転伝達機構を介
して連接する駆動モータから回転力を得る。The work 1 fixed to the work receiver 4 by expansion of the lining type collet 2 which engages with the draw bar 3 connected to the pressure receiving pin 8 by pushing down the pressure receiving pin 8 by the repulsive force of the coil spring 7 is then rotated by the balancer rotating spindle. The unbalance is measured at 9 revolutions. Although not shown, the balancer rotating main shaft 9 obtains a rotating force from a driving motor that is held by a bearing and is connected via a rotation transmitting mechanism.
【００１３】不つりあいの測定後、バランサ回転主軸９
の回転は停止され、直動アクチュエータ１１の作動でア
クチュエータロッド１２に装着されたアンチャックアー
ム１０が上昇し、アンチャックアーム１０と係合する受
圧ピン８はアンチャックアーム１０によって押し上げら
れる。その結果、ドローバ３が持ち上がりドローバ３と
内張り式コレット２の係合は解かれ、内張り式コレット
２の縮小によりワーク１は開放される。図３はアダプタ
本体５の開口部６と受圧ピン８およびアンチャックアー
ム１０の関係を外観より示したもので、受圧ピン８はア
ンチャックアーム１０の作動時に開口部６の壁面に沿っ
て上下動する。After measuring the unbalance, the balancer rotating spindle 9
Is stopped, the unchuck arm 10 attached to the actuator rod 12 is raised by the operation of the linear motion actuator 11, and the pressure receiving pin 8 engaged with the unchuck arm 10 is pushed up by the unchuck arm 10. As a result, the drawbar 3 is lifted, the engagement between the drawbar 3 and the lining collet 2 is released, and the work 1 is released by the contraction of the lining collet 2. FIG. 3 shows the relationship between the opening 6 of the adapter body 5 and the pressure receiving pin 8 and the unchuck arm 10 from the outside. The pressure receiving pin 8 moves up and down along the wall surface of the opening 6 when the unchuck arm 10 operates. I do.
【００１４】以上のような構成によって、ワーク１の装
置への着脱時に回転軸内で上下動するのは、短小で軽量
な受圧ピン８と連接するドローバ３のみのため、回転時
に生じる構成部品の不つりあいや内張り式コレット２の
開閉動作時の振動などの影響も従来形の構成例に比べ格
段に少なく、ワーク１の不つりあいの測定を従来形に比
べより高精度で行うことができる。また、部品の小型化
・簡略化による経済効果も合わせ有している。With the above configuration, only the drawbar 3 connected to the short and light pressure receiving pin 8 moves up and down in the rotary shaft when the work 1 is attached to and detached from the apparatus. The influence of unbalance and vibration at the time of opening and closing operation of the lining type collet 2 is much less than that of the conventional configuration, and the unbalance of the work 1 can be measured with higher accuracy than the conventional type. In addition, there is an economic effect due to downsizing and simplification of parts.
【００１５】[0015]
【発明の効果】本発明は、以上説明したような構成であ
るからつぎのような効果を有する。The present invention has the following effects because it has the structure described above.
【００１６】短小なドローバに連接する受圧ピンとワー
クの回転軸心外に配設した直動アクチュエータに連動す
るアンチャックアームとの係合で、回転軸心外から内張
り式コレットの開閉を可能にしたため、ワークの装置へ
の着脱時の振動および回転時の振動原因となる回転部品
の不つりあい要因も大幅に減少することができ、高精度
の測定を可能にすると共に部品の短小化で構造も簡単と
なる。[0016] The engagement of the pressure receiving pin connected to the short and small drawbar and the unchuck arm linked to the linear motion actuator disposed outside the rotation axis of the work enables opening and closing of the lined collet from outside the rotation axis. In addition, the unbalance factor of rotating parts, which causes vibration when attaching / detaching the work to / from the equipment and vibration during rotation, can be greatly reduced, enabling high-precision measurement and making the structure simpler with shorter parts. Becomes
【図１】本発明の一実施例装置の構成図である。FIG. 1 is a configuration diagram of an apparatus according to an embodiment of the present invention.
【図２】本発明の一実施例装置の受圧ピンからの上面図
である。FIG. 2 is a top view from a pressure receiving pin of the device according to the embodiment of the present invention.
【図３】本発明の一実施例装置の外観側面図である。FIG. 3 is an external side view of the apparatus according to one embodiment of the present invention.
【図４】従来形のたて形バランサの構成例を示す図であ
る。FIG. 4 is a diagram showing a configuration example of a conventional vertical balancer.
１…ワーク ２…内張り式コレット ３…ドローバ ３′…ドローバ軸 ４…ワーク受け ５…アダプタ本体 ６…開口部 ７…コイルバネ ８…受圧ピン ９…バランサ回転主軸 １０…アンチャックアーム １１…直動アクチュエータ １２…アクチュエータロッド １３…機枠 １４…板バネ １５…チャッキングロッド １６…フック DESCRIPTION OF SYMBOLS 1 ... Work 2 ... Lined collet 3 ... Drawbar 3 '... Drawbar shaft 4 ... Work receiver 5 ... Adapter body 6 ... Opening 7 ... Coil spring 8 ... Pressure receiving pin 9 ... Balancer rotating main shaft 10 ... Unchuck arm 11 ... Linear actuator 12 Actuator rod 13 Machine frame 14 Plate spring 15 Chucking rod 16 Hook
Claims (1)
クの内径面と接触し、内径側にテーパ部を備えた内張り
式コレットを、同テーパ部に一致するテーパ部を備えた
ドローバの上下動により、拡張あるいは縮小させてワー
クの装置への脱着を行うバランサにおいて、前記ドロー
バ軸端に同軸心と直交して突出する受圧ピンを取り付け
ると共に、この受圧ピンを介してドローバを上下動させ
るようにしたことを特徴としたバランサ。1. A liner-type collet having a tapered portion on the inner diameter side with an outer peripheral surface of the tip contacting the inner diameter surface of the workpiece on the rotation axis of the work, and a drawbar having a tapered portion matching the tapered portion. In a balancer that expands or contracts a work by attaching or detaching the work to or from a device by vertical movement of the drawer, a pressure receiving pin that projects perpendicular to the coaxial center is attached to the drawbar shaft end, and the drawbar is moved up and down through the pressure receiving pin. A balancer characterized by being made to do.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23352597A JPH1172407A (en) | 1997-08-29 | 1997-08-29 | Balancer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23352597A JPH1172407A (en) | 1997-08-29 | 1997-08-29 | Balancer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH1172407A true JPH1172407A (en) | 1999-03-16 |
Family
ID=16956412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23352597A Pending JPH1172407A (en) | 1997-08-29 | 1997-08-29 | Balancer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH1172407A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871343A (en) * | 2010-06-29 | 2010-10-27 | 上海大学 | Rotation type multi-station tension and compression experiment device |
| CN104568314A (en) * | 2015-01-20 | 2015-04-29 | 芜湖金源机械制造有限公司 | Engine crankshaft damping pulley dynamic balance detection tool and detection method |
-
1997
- 1997-08-29 JP JP23352597A patent/JPH1172407A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871343A (en) * | 2010-06-29 | 2010-10-27 | 上海大学 | Rotation type multi-station tension and compression experiment device |
| CN104568314A (en) * | 2015-01-20 | 2015-04-29 | 芜湖金源机械制造有限公司 | Engine crankshaft damping pulley dynamic balance detection tool and detection method |
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