JPS6379107U - - Google Patents

Info

Publication number
JPS6379107U
JPS6379107U JP17481986U JP17481986U JPS6379107U JP S6379107 U JPS6379107 U JP S6379107U JP 17481986 U JP17481986 U JP 17481986U JP 17481986 U JP17481986 U JP 17481986U JP S6379107 U JPS6379107 U JP S6379107U
Authority
JP
Japan
Prior art keywords
load cell
light emitting
electric
chuck device
electric motor
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
Application number
JP17481986U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP17481986U priority Critical patent/JPS6379107U/ja
Publication of JPS6379107U publication Critical patent/JPS6379107U/ja
Pending legal-status Critical Current

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  • Gripping On Spindles (AREA)

Description

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

第1図はこの考案の一実施例による電動式チヤ
ツク装置のアクチユエータユニツトの構成を示す
部分断面図、第2図は同電動式チヤツク装置の電
気的構成を示すブロツク図、第3図は同電動式チ
ヤツク装置の締め付けトルクの調整動作を説明す
るためのタイムチヤート、第4図は従来の油圧式
チヤツク装置の構成を示す断面図である。 11……誘導電動機、25,26……スプライ
ン軸(駆動手段)、35,36……ロードセル、
38……スクリユーナツト、39……ドローボル
ト(牽引軸)、41,42……皿バネ(弾性部材
)、55……リード線、56……発光ダイオード
、58……フオトトランジスタ、63……CPU
、68……モータ制御装置(以上63,68は制
御手段)。
FIG. 1 is a partial sectional view showing the structure of an actuator unit of an electric chuck device according to an embodiment of the invention, FIG. 2 is a block diagram showing the electrical structure of the same electric chuck device, and FIG. FIG. 4 is a time chart for explaining the tightening torque adjustment operation of the electric chuck device, and FIG. 4 is a sectional view showing the structure of a conventional hydraulic chuck device. 11...Induction motor, 25, 26...Spline shaft (driving means), 35, 36...Load cell,
38... Screw nut, 39... Draw bolt (traction shaft), 41, 42... Belleville spring (elastic member), 55... Lead wire, 56... Light emitting diode, 58... Photo transistor, 63... CPU
, 68...Motor control device (63 and 68 above are control means).

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電動機を駆動源とする駆動手段によつて、牽引
軸を軸方向に往復動させることによりチヤツク爪
を開閉するようにした電動式チヤツク装置におい
て、前記牽引軸にかかる軸方向の力を検出するロ
ードセルと、該ロードセルの出力信号を外部に伝
送するべく回転軸端に取り付けられた発光素子と
、該発光素子と対向して固定側に取り付けられた
受光素子と、該受光素子の出力に基づいてチヤツ
ク把握力を表示するデジタル表示装置と、前記電
動機への供給電源を制御する制御手段とを具備す
ることを特徴とする電動式チヤツク装置。
In an electric chuck device that opens and closes a chuck pawl by reciprocating a traction shaft in an axial direction by a drive means using an electric motor as a drive source, a load cell detects an axial force applied to the traction shaft. , a light emitting element attached to the end of the rotating shaft to transmit the output signal of the load cell to the outside, a light receiving element attached to the stationary side opposite to the light emitting element, and a check based on the output of the light receiving element. An electric chuck device comprising: a digital display device that displays grasping force; and a control means that controls power supply to the electric motor.
JP17481986U 1986-11-14 1986-11-14 Pending JPS6379107U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17481986U JPS6379107U (en) 1986-11-14 1986-11-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17481986U JPS6379107U (en) 1986-11-14 1986-11-14

Publications (1)

Publication Number Publication Date
JPS6379107U true JPS6379107U (en) 1988-05-25

Family

ID=31113562

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17481986U Pending JPS6379107U (en) 1986-11-14 1986-11-14

Country Status (1)

Country Link
JP (1) JPS6379107U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011235436A (en) * 2010-05-04 2011-11-24 Karl Hiestand Clamping device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011235436A (en) * 2010-05-04 2011-11-24 Karl Hiestand Clamping device

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