JP2013172629A5 - Piezoelectric motors and robots - Google Patents

Piezoelectric motors and robots Download PDF

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Publication number
JP2013172629A5
JP2013172629A5 JP2012037114A JP2012037114A JP2013172629A5 JP 2013172629 A5 JP2013172629 A5 JP 2013172629A5 JP 2012037114 A JP2012037114 A JP 2012037114A JP 2012037114 A JP2012037114 A JP 2012037114A JP 2013172629 A5 JP2013172629 A5 JP 2013172629A5
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JP
Japan
Prior art keywords
vibrating body
housing case
piezoelectric motor
motor according
holding portion
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.)
Withdrawn
Application number
JP2012037114A
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Japanese (ja)
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JP2013172629A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2012037114A priority Critical patent/JP2013172629A/en
Priority claimed from JP2012037114A external-priority patent/JP2013172629A/en
Publication of JP2013172629A publication Critical patent/JP2013172629A/en
Publication of JP2013172629A5 publication Critical patent/JP2013172629A5/en
Withdrawn legal-status Critical Current

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Claims (5)

圧電材料を含み、駆動電圧が印加されることによって伸縮方向および屈曲方向に振動する振動体と、
前記振動体の前記伸縮方向の端面に設けられた凸部と、
前記凸部が突出した状態で前記振動体を収容する収容ケースと、
前記収容ケースと前記振動体との間に介在して前記振動体を保持し、且つ、前記振動体の熱を前記収容ケースに伝える保持部と、
を備える圧電モーター。 A vibrator that includes a piezoelectric material and vibrates in a stretching direction and a bending direction when a drive voltage is applied;
A convex portion provided on an end surface of the vibrating body in the expansion and contraction direction;
A housing case for housing the vibrating body in a state in which the convex portion protrudes;
A holding portion that is interposed between the housing case and the vibrating body, holds the vibrating body, and transmits heat of the vibrating body to the housing case;
Piezoelectric motor with 請求項１に記載の圧電モーターであって、
前記収容ケースおよび前記振動体が前記保持部と接する表面の少なくとも一部は凹凸形状に形成されている
ことを特徴とする圧電モーター。 The piezoelectric motor according to claim 1,
The piezoelectric motor according to claim 1, wherein at least a part of a surface of the housing case and the vibrating body in contact with the holding portion is formed in an uneven shape. 請求項１または請求項２に記載の圧電モーターであって、
前記保持部は、前記振動体が前記屈曲方向に振動する節部と前記収容ケースとの間に介在して、前記振動体を保持する
ことを特徴とする圧電モーター。 The piezoelectric motor according to claim 1 or 2,
The piezoelectric motor according to claim 1, wherein the holding portion is interposed between a node portion where the vibrating body vibrates in the bending direction and the housing case, and holds the vibrating body. 請求項１ないし請求項３の何れか一項に記載の圧電モーターであって、
前記保持部は、ヤング率が１ＧＰａ以下で、伝熱性を有する材料で形成されている
ことを特徴とする圧電モーター。 A piezoelectric motor according to any one of claims 1 to 3 ,
The holding portion is formed of a material having a Young's modulus of 1 GPa or less and a heat transfer property. 回動可能な関節部が設けられた腕部と、
前記腕部に設けられたハンド部と、
前記腕部が設けられた本体部と、
を備えたロボットであって、
前記関節部に設けられて前記関節部を屈曲あるいは回転駆動させる駆動部を有しており、
前記駆動部は、
圧電材料を含み、駆動電圧が印加されることによって伸縮方向および屈曲方向に振動する振動体と、
前記振動体の前記伸縮方向の端面に設けられた凸部と、
前記凸部が突出した状態で前記振動体を収容する収容ケースと、
前記収容ケースと前記振動体との間に介在して前記振動体を保持し、且つ、前記振動体の熱を前記収容ケースに伝える保持部と、
を備えるロボット。 An arm provided with a rotatable joint, and
A hand portion provided on the arm portion;
A main body provided with the arm,
A robot equipped with
It has a drive part that is provided at the joint part and that drives the joint part to bend or rotate,
The drive unit is
A vibrator that includes a piezoelectric material and vibrates in a stretching direction and a bending direction when a drive voltage is applied;
A convex portion provided on an end surface of the vibrating body in the expansion and contraction direction;
A housing case for housing the vibrating body in a state in which the convex portion protrudes;
A holding portion that is interposed between the housing case and the vibrating body, holds the vibrating body, and transmits heat of the vibrating body to the housing case;
Robot equipped with.
JP2012037114A 2012-02-23 2012-02-23 Piezoelectric motor, robot hand, robot, electronic component transportation device, electronic component inspection device, liquid feed pump, printer, electronic clock, projection device and transportation device Withdrawn JP2013172629A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2012037114A JP2013172629A (en) 2012-02-23 2012-02-23 Piezoelectric motor, robot hand, robot, electronic component transportation device, electronic component inspection device, liquid feed pump, printer, electronic clock, projection device and transportation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012037114A JP2013172629A (en) 2012-02-23 2012-02-23 Piezoelectric motor, robot hand, robot, electronic component transportation device, electronic component inspection device, liquid feed pump, printer, electronic clock, projection device and transportation device

Publications (2)

Publication Number Publication Date
JP2013172629A JP2013172629A (en) 2013-09-02
JP2013172629A5 true JP2013172629A5 (en) 2015-01-15

Family

ID=49266220

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012037114A Withdrawn JP2013172629A (en) 2012-02-23 2012-02-23 Piezoelectric motor, robot hand, robot, electronic component transportation device, electronic component inspection device, liquid feed pump, printer, electronic clock, projection device and transportation device

Country Status (1)

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JP (1) JP2013172629A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6879015B2 (en) * 2017-03-31 2021-06-02 セイコーエプソン株式会社 Piezoelectric drive device, drive method of piezoelectric drive device, robot, electronic component transfer device, printer and projector
CN114280874A (en) * 2020-09-17 2022-04-05 新思考电机有限公司 Optical member driving device, camera device, and electronic apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3481842B2 (en) * 1997-12-24 2003-12-22 京セラ株式会社 Ultrasonic drive
DE10025997A1 (en) * 2000-05-25 2001-12-06 Bosch Gmbh Robert Piezo actuator
JP4154851B2 (en) * 2000-10-31 2008-09-24 コニカミノルタホールディングス株式会社 Drive device
JP2004260990A (en) * 2003-02-06 2004-09-16 Seiko Epson Corp Driver and operation unit
JP2004357393A (en) * 2003-05-28 2004-12-16 Nsk Ltd Piezoelectric actuator and positioning device
JP4394158B2 (en) * 2009-02-27 2010-01-06 セイコーインスツル株式会社 Ultrasonic motor and electronic device with ultrasonic motor

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