JPS58131408A - Actuator apparatus - Google Patents

Actuator apparatus

Info

Publication number
JPS58131408A
JPS58131408A JP1162482A JP1162482A JPS58131408A JP S58131408 A JPS58131408 A JP S58131408A JP 1162482 A JP1162482 A JP 1162482A JP 1162482 A JP1162482 A JP 1162482A JP S58131408 A JPS58131408 A JP S58131408A
Authority
JP
Japan
Prior art keywords
actuator
servo valve
actuators
cylinder portion
spool
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
Application number
JP1162482A
Other languages
Japanese (ja)
Other versions
JPS6319723B2 (en
Inventor
Ichiro Nakamura
一郎 中村
Takeshi Ichiyanagi
健 一柳
Haruo Watanabe
春夫 渡辺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP1162482A priority Critical patent/JPS58131408A/en
Publication of JPS58131408A publication Critical patent/JPS58131408A/en
Publication of JPS6319723B2 publication Critical patent/JPS6319723B2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/044—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by electrically-controlled means, e.g. solenoids, torque-motors
    • F15B13/0446—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by electrically-controlled means, e.g. solenoids, torque-motors with moving coil, e.g. voice coil
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1428—Cylinders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/149—Fluid interconnections, e.g. fluid connectors, passages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/202—Externally-operated valves mounted in or on the actuator

Abstract

PURPOSE:To heighten space factor to reduce an actuator apparatus to compact size by disposing a servo valve at right angle to actuators, and forming a sleeve body of the servo valve and each cylinder portion of the actuators in the same member. CONSTITUTION:In case of driving two actuators 2A, 2B by one servo valve 1, the servo valve 1 and the actuators 2A, 2B are disposed at right angles in a machine frame 3. The servo valve 1 comprises a force motor 4 adapted to generate shaft power by applying an electric current to a coil winding 8 disposed in air gap between a yoke 6 and a magnet 7, and a spool valve body 5 united in a body with a bobbin 9 of the coil winding 8, wherein the spool valve 5 is rotated in a sleeve 11 to change a flow path and drive each actuator 2A, 2B. Each actuator 2A, 2B includes a piston 18 provided with a piston rod 19 integral therewith and slidably stored in a cylinder portion 17.

Description

【発明の詳細な説明】 本発明は小型でかつ高速に応答するアクチュエータ装置
に関するもので、とくに撮動試験機等の機械の駆動に好
適なアクチュエータ装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an actuator device that is compact and responds at high speed, and particularly to an actuator device suitable for driving a machine such as a photographic testing machine.

従来、大出力のフォースモータで操作さｎるサーボ弁に
よって駆動されるアクチュエータ装置においては、フォ
ースモータとサーボ弁本体とから構成さｎる′サーボ弁
は、シリンダとピストンとからなるアクチュエータの軸
線と平行的にマニホールド３を介してアクチュエータに
結合されている。Conventionally, in an actuator device driven by a servo valve operated by a high-output force motor, the servo valve, which is composed of a force motor and a servo valve body, is aligned with the axis of an actuator composed of a cylinder and a piston. It is connected to the actuator via the manifold 3 in parallel.

この場合、フォースモータが大きいため、全般的にスペ
ースが大きく、シかも全体が大きくなって取扱いが不便
であるという欠点があった。In this case, since the force motor is large, it generally takes up a large space, and the overall size of the motor is large, making it inconvenient to handle.

更に、この構造ではアクチュエータが１軸構造であるた
め直線運動しかで＠ないという欠点があつ九。Furthermore, this structure has the disadvantage that because the actuator has a uniaxial structure, it can only move in a straight line.

本発明は上述の事柄にもとづいてなされたもので、フォ
ースモータ型サーボ弁を有するアクチュエータにおいて
、スペースファクタを良くした小型構造とし、かつ負荷
１に直線運動及び回転運動させることができる高速のア
クチュエータ装置を提供することを目的とする。The present invention has been made based on the above-mentioned matters, and is a high-speed actuator device that has a compact structure with an improved space factor in an actuator having a force motor type servo valve, and that can cause the load 1 to perform linear motion and rotational motion. The purpose is to provide

本発明は上記の目的を達成するために、サーボ弁とアク
チュエータと１に＠交ぜしめると共に、サーボ弁のスプ
ールをガイドするスリーブ体とアクチュエータのピスト
ンをガイドするシリンダ部とを同一部材内に１１！成せ
しめたものである。また更にスプールの軸心に対して、
その左右に各々１個のアクチュエータを［ダ装置してス
ペースファクタを向上せしめるとともに、１台のサーボ
弁により２軸並進運勤めるいは２軸を互いに逆方向に運
動せしめて負荷に回転運動を与えることを可能にしたも
のである。In order to achieve the above object, the present invention combines a servo valve and an actuator in one, and also incorporates a sleeve body that guides the spool of the servo valve and a cylinder part that guides the piston of the actuator in the same member! It has been accomplished. Furthermore, relative to the axis of the spool,
One actuator is installed on each of the left and right sides to improve the space factor, and one servo valve is used to perform two-axis translational motion or to move two axes in opposite directions to provide rotational motion to the load. This is what made it possible.

以下本発明の実施例を図面を参照して説明する。Embodiments of the present invention will be described below with reference to the drawings.

第１図は本発明の一実施例を示すものであり、１台のサ
ーボ弁ｌで２台のアクチュエータ２人。FIG. 1 shows an embodiment of the present invention, in which one servo valve uses two actuators and two people.

２Ｂを駆動する場合を示したものである。サーボ弁ｌと
アクチュエータ２Ａ、２Ｂは装置枠３に直交して配置さ
れている。This shows the case where 2B is driven. The servo valve l and the actuators 2A and 2B are arranged perpendicular to the device frame 3.

サーボ弁１の詳細な構成を第２図によって説明する。サ
ーボ弁ｌＩ／′ｉ、フォースモータ４と弁体５とを備え
ている。６はフォースモータ４のヨーク、７はマグネッ
トである。ヨーク６とマグネット７との間のエアギャッ
プ内には、巻線８を施こしたボビ／９が設けらｎている
。この巻線８に制御電流を印加することにより、ファラ
デイ左手則により軸力を発生せしめる。ボビン９にはス
プール９体５が一体に結合されている。このスプール弁
体５はばねｌＯに抗して軸方向に摺動する。スプール弁
体５はスリーブ１１によりガイドされつつ〜油路を連続
的に切り換えてアクチュエータ２Ａ。The detailed structure of the servo valve 1 will be explained with reference to FIG. It includes a servo valve lI/'i, a force motor 4, and a valve body 5. 6 is a yoke of the force motor 4, and 7 is a magnet. In the air gap between the yoke 6 and the magnet 7, a bobby/9 having a winding 8 is provided. By applying a control current to this winding 8, an axial force is generated according to Faraday's left-hand rule. A spool 9 body 5 is integrally connected to the bobbin 9. This spool valve body 5 slides in the axial direction against the spring lO. The spool valve body 5 is guided by the sleeve 11 and continuously switches the oil path to the actuator 2A.

２Ｂを駆動する。装置枠３およびスリーブ１１には圧力
流体供給通路１２、排出通路１３，１４、連通通路１５
．１６が設けられている。Drive 2B. The device frame 3 and the sleeve 11 are provided with a pressure fluid supply passage 12, discharge passages 13, 14, and a communication passage 15.
．． 16 are provided.

アクチュエータ２Ａ、２Ｂは装置枠３内に形成したシリ
ンダ部１７に沿って摺動するピストン１８とこのピスト
ン１８に連結したピストンロッド１９とで構成さ扛てい
る。アクチュエータ２Ａ。The actuators 2A, 2B are composed of a piston 18 that slides along a cylinder portion 17 formed within the device frame 3, and a piston rod 19 connected to the piston 18. Actuator 2A.

２Ｂのシリンダ部１７とスプール弁体５とを連通する通
路１５．１６の詳細な構成の一例を第３図に示す。この
第３図に示す実施例は２個のアクチュｚ−夕２Ａ、２Ｂ
を゛並進運動させるために、通路１５．１６を２個のア
クチュエータ２Ａ、２Ｂに対して対称的に配置しである
。すなわち、通路１５．１６は２個のアクチュエータ２
Ａ、２Ｂの対応する油室を連通している。An example of a detailed configuration of the passages 15 and 16 that communicate the cylinder portion 17 of the 2B and the spool valve body 5 is shown in FIG. The embodiment shown in FIG. 3 has two actuators 2A and 2B.
The passages 15, 16 are arranged symmetrically with respect to the two actuators 2A, 2B in order to translate the actuators 2A, 2B. That is, the passages 15, 16 are connected to the two actuators 2
Corresponding oil chambers A and 2B are communicated.

次に上述した本発明の装置の一実施例の動作を説明する
。Next, the operation of one embodiment of the above-described apparatus of the present invention will be described.

巻線８に制御電流を印加することにより、スプール弁体
５はその軸線方向に移動し、圧力流体供給通路１２から
の圧力流体を通路１５または通路１６に供給する。これ
により、アクチュエータ２Ａ、２Ｂは共に並進運動する
。By applying a control current to the winding 8, the spool valve body 5 moves in its axial direction and supplies pressure fluid from the pressure fluid supply passage 12 to the passage 15 or the passage 16. As a result, both actuators 2A and 2B move in translation.

なお、上述の実施例はアクチュエータ２Ａ。Note that the above-mentioned embodiment is the actuator 2A.

２Ｂを並進運動させる構成について説明したが、アクチ
ュエータ２Ａ、２Ｂのピストンロット°１９を互に逆方
向に運動させたい場合には、第４図に示すように、通路
１５Ａをアクチュエータ２Ａの一方の油室とアクチュエ
ータ２Ｂの他方の油室に連通させ、を九通路１６Ａｔア
クチュエータ２Ａの他方の油室とアクチュエータ２Ｂの
一方の油室に連通させればよい。このように構成するこ
とにより、アクチェエータ２Ａ、２Ｂのピストンロッド
１９を互に逆方向に移動させることができる。2B has been described, but if you want to move the piston rods 19 of actuators 2A and 2B in opposite directions, as shown in FIG. The chamber may be communicated with the other oil chamber of the actuator 2B, and may be communicated with the other oil chamber of the nine-passage 16At actuator 2A and one oil chamber of the actuator 2B. With this configuration, the piston rods 19 of the actuators 2A and 2B can be moved in opposite directions.

この構成のアクチュエータ装置を負荷に連結す詐ば、負
荷に回転運動を４えることができる・以上述べた本発明
の実施例によ詐ば、アクチュエータ２Ａ、２Ｂおよびサ
ーボ弁１を装置枠３の内部に構成し得るので、スペース
ファクタが極めて良く、装置全体を小形にすることがで
きる。By connecting the actuator device with this configuration to a load, it is possible to impart rotational movement to the load. Since it can be configured internally, the space factor is extremely good and the entire device can be made compact.

以上詳述したように、本発明によれば、大出力のフォー
スモータで駆動されるアクチュエータを極めて小さく構
成することができると共に、１台のサーボ弁により２個
のアクチュエータを効率的に駆動することができる。こ
ｎにより、大容量のアクチュエータ装置を提供すること
ができるものである。As detailed above, according to the present invention, an actuator driven by a high-output force motor can be configured to be extremely small, and two actuators can be efficiently driven by one servo valve. I can do it. This makes it possible to provide a large-capacity actuator device.

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本発明の装置の一実施例を示す斜視図、第２図
は第１図に示される本発明め装置の一実施例のサーボ弁
部を示す縦断面図、第３図は第２図の横断面図、第４図
は本発明の装置の他の実施例を示す横断面図である。 １・・・サーボ弁、２Ａ、２Ｂ・・・アクチュエータ、
３・・・装ｆｉｌｅ、４・・・フォースモータ、５・・
・スブ〜ル弁体、１１・・・スリーブ％　　１５．１６
・・・通路、１７・・・シリンダ部、１８・・・ピスト
ン、１９・・・ピストンロッド。 ＹＪｌ［Ｄ 舅２図FIG. 1 is a perspective view showing one embodiment of the device of the present invention, FIG. 2 is a longitudinal sectional view showing the servo valve portion of the embodiment of the device of the present invention shown in FIG. 1, and FIG. 2 is a cross-sectional view, and FIG. 4 is a cross-sectional view showing another embodiment of the apparatus of the present invention. 1... Servo valve, 2A, 2B... Actuator,
3...Installation file, 4...Force motor, 5...
・Suburu valve body, 11...Sleeve% 15.16
... Passage, 17... Cylinder section, 18... Piston, 19... Piston rod. YJl [D father-in-law 2 figure

Claims (1)

【特許請求の範囲】 １、　フォースモータによってスプールを駆動する直動
型サーボ弁とこのサーボ弁からの圧力流体によって動か
されるアクチュエータとを直交して配置し、前記サーボ
弁のスプールをガイドするスリーブ体とアクチュエータ
のピストンをガイドするシリンダ部とを、通路によって
連通すると共に同一部材内に構成したことを特徴とする
アクチュエータ装置。 ２　スプールの細心に対して、その左右に各々１個のア
クチュエータを直交配置したことを特徴とする特許請求
の範囲第１項記載のアクチュエータ装置。 ＆　サーボ弁のスリーブからアクチュエータのシリンダ
部への油路を対称に配置して、２個のアクチュエータを
同一方向に移動せしめること１に特徴とする特許請求の
範囲第２項記載のアクチュエータ装置。 生　サーボ弁のスリーブからアクチュエータのシリンダ
部への油路を非対称に配置して、２個のアクチュエータ
を互いに逆方向に移動せしめることを特徴とする特許請
求の範囲第１項記載のアクチェエータ装置。[Claims] 1. A sleeve body that guides the spool of the servo valve, in which a direct-acting servo valve whose spool is driven by a force motor and an actuator which is moved by pressure fluid from the servo valve are disposed orthogonally to each other, and which guides the spool of the servo valve. 1. An actuator device comprising: a cylinder portion that guides a piston of the actuator; and a cylinder portion that guides a piston of the actuator, which communicate with each other through a passage and are constructed within the same member. 2. The actuator device according to claim 1, wherein one actuator is arranged perpendicularly to the left and right sides of the spool. & The actuator device according to claim 2, characterized in that the oil passages from the sleeve of the servo valve to the cylinder portion of the actuator are arranged symmetrically to move the two actuators in the same direction. 2. The actuator device according to claim 1, wherein the oil passage from the sleeve of the servo valve to the cylinder portion of the actuator is arranged asymmetrically to move the two actuators in opposite directions.
JP1162482A 1982-01-29 1982-01-29 Actuator apparatus Granted JPS58131408A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1162482A JPS58131408A (en) 1982-01-29 1982-01-29 Actuator apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1162482A JPS58131408A (en) 1982-01-29 1982-01-29 Actuator apparatus

Publications (2)

Publication Number Publication Date
JPS58131408A true JPS58131408A (en) 1983-08-05
JPS6319723B2 JPS6319723B2 (en) 1988-04-25

Family

ID=11783075

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1162482A Granted JPS58131408A (en) 1982-01-29 1982-01-29 Actuator apparatus

Country Status (1)

Country Link
JP (1) JPS58131408A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6192302A (en) * 1984-10-09 1986-05-10 ガス・ゲゼルシヤフト・フユール・アントリ―プス―ウント・シユトイエルングステヒニツク・ミト・ベシユレンクテル・ハフツング・ウント・コンパニ―コマンデイトゲゼルシヤフト Linear drive
WO2020054667A1 (en) * 2018-09-12 2020-03-19 Smc Corporation Fluid pressure cylinder

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6192302A (en) * 1984-10-09 1986-05-10 ガス・ゲゼルシヤフト・フユール・アントリ―プス―ウント・シユトイエルングステヒニツク・ミト・ベシユレンクテル・ハフツング・ウント・コンパニ―コマンデイトゲゼルシヤフト Linear drive
WO2020054667A1 (en) * 2018-09-12 2020-03-19 Smc Corporation Fluid pressure cylinder
TWI720612B (en) * 2018-09-12 2021-03-01 日商Ｓｍｃ股份有限公司 Fluid pressure cylinder
CN112739915A (en) * 2018-09-12 2021-04-30 Smc株式会社 Fluid pressure cylinder

Also Published As

Publication number Publication date
JPS6319723B2 (en) 1988-04-25

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