CN201075846Y - Bending compressional vibration type straight line ultrasound wave electric machine - Google Patents
Bending compressional vibration type straight line ultrasound wave electric machine Download PDFInfo
- Publication number
- CN201075846Y CN201075846Y CNU200720045721XU CN200720045721U CN201075846Y CN 201075846 Y CN201075846 Y CN 201075846Y CN U200720045721X U CNU200720045721X U CN U200720045721XU CN 200720045721 U CN200720045721 U CN 200720045721U CN 201075846 Y CN201075846 Y CN 201075846Y
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- potsherd
- longitudinal vibration
- curved
- electric machine
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Abstract
A bent longitudinal vibration linear ultrasonic motor relates to a column stator bent longitudinal vibration linear ultrasonic motor, including a column stator (1), a pretightening mechanism (2) and a base plate (3). The column stator (1) includes five fitting blocks (13), a first bent vibration ceramic plate pair (14), a first longitudinal vibration ceramic plate pair (15), a second longitudinal vibration ceramic plate pair (16) and a second bent vibration ceramic plate pair (17). A normal pre-pressure is exerted on the column stator (1) by the pretightening mechanism (2). A pre-pressure exerted on the column stator (1) is adjusted by an adjusting bolt (25). Besides the series of advantages of a linear ultrasonic motor, the motor also has the advantages of large output force and broad speed adjusting range.
Description
Technical field
The utility model is a kind of curved longitudinal vibration ejector half linear ultrasonic electric machine, belongs to the technical field that supersonic motor is made.
Background technology
Supersonic motor utilizes inverse piezoelectric effect that electric energy is converted into the vibration of motor stator, then by friction couple drive electric mover motion between motor stator and mover.Thereby supersonic motor has series of advantages, compares with traditional electromagnetic machine, and it has, and inertia is little, response is fast, control characteristic is good, not affected by magnetic fields, itself also do not produce characteristics such as magnetic field, positioning accuracy height simultaneously.Particularly it have in light weight, simple in structure, efficient is high, noise is little, low-speed big, can directly drive characteristics such as load.Linear ultrasonic motor has not only possessed a series of advantage of ultrasound electric machine, and it also has does not need screw body to carry out movement conversion, can realize advantages such as hi-Fix in closed-loop system.Abroad, linear ultrasonic electric machine is widely used in fields such as semiconductor manufacturing, electronic medicine equipment, industrial automation machine and computer-aided manufacture.The mid-90 in last century, the domestic research that begins linear ultrasonic electric machine, and obtain certain achievement.
In recent years, because linear ultrasonic electric machine position resolution height, in semi-conductor industry and other precision instrument device fields, the utilization linear ultrasonic electric machine produces high thrust and realizes that the demand of grand movement is increasing.
Technology contents
Technical problem: the purpose of this utility model is to provide a kind of curved longitudinal vibration ejector half linear ultrasonic electric machine, adopt the cylinder stator, the flexural vibrations controlling and driving foot of cylinder stator cylinder and the frictional force of slide block contact-making surface utilize the extensional vibration of cylinder stator cylinder to produce stator thrust.This motor has whole advantages of linear ultrasonic electric machine.In addition, this motor also has high thrust and the good characteristics of dynamic property.
Technical scheme: a kind of curved longitudinal vibration ejector half linear ultrasonic electric machine, this motor comprises the cylinder stator, pre-tightening mechanism, bedplate, bedplate is horizontally disposed with, the vertical vertical fixing of guide rail mounting panel is in the left end of bedplate, guide rail mounting panel middle inside is fixed in the bottom of guide-track groove, the cell wall of slide block sliding contact guide-track groove, the slide block outside contacts with the left end that drives foot, the pre-tightening mechanism crosswise fixed is at the right-hand member of bedplate, the cylinder stator vertically is arranged on and drives between foot and the pre-tightening mechanism, drive sufficient right-hand member and be fixed in cylinder stator left side, cylinder stator right side contacts with the rectilinear motion tumbler bearing left end camber line groove of pre-tightening mechanism.
The cylinder stator of above-mentioned curved longitudinal vibration ejector half linear ultrasonic electric machine comprises five match block, be provided with adjacent two match block from cylinder stator left end to right-hand member a potsherd to and to set gradually the first curved potsherd that shakes right to, the second curved potsherd that shakes to, the second longitudinal vibration potsherd to, the first longitudinal vibration potsherd, each potsherd is to constituting by accompanying an electrode slice between two piezoelectric ceramic pieces, above-mentioned each potsherd has through hole to, electrode slice, match block, and the inwall of through hole cooperates with screw flight.Pre-tightening mechanism comprises the rectilinear motion tumbler bearing, spring, mounting yoke, the precompressed slide block, regulate bolt, bearing, lead rail axis, the linear motion ball rest base contacts with bedplate, the mounting yoke vertical fixing is in the right-hand member of bedplate, regulating bolt cooperates with the inner thread of mounting yoke mesopore, regulate the bolt left end and be provided with the precompressed slide block, horizontally set spring between rectilinear motion tumbler bearing right side and precompressed slide block left end, the spring both sides are horizontally disposed with lead rail axis, the lead rail axis left end is provided with bearing and rectilinear motion tumbler bearing middle part and is connected, and the lead rail axis right-hand member runs through and is fixed in outside the mounting yoke.
The utility model is bent longitudinal vibration ejector half linear ultrasonic electric machine, and 1/3rd cylinder stator length places are provided with respectively and drive foot apart from cylinder stator two ends.First curved shake potsherd pair with second curved shake potsherd to reverse polarization and on shaft position mutual deviation 180 degree, to polarization in the same way, above-mentioned each potsherd drives between the foot being arranged on two the first longitudinal vibration potsherd to, the second longitudinal vibration potsherd.Cylinder stator midpoint and be provided with holding tank respectively apart from sixth cylinder stator length place, cylinder stator two ends, the rectilinear motion tumbler bearing left end camber line groove of three pre-tightening mechanisms contacts with holding tank respectively.
By the rectilinear motion tumbler bearing fixed cylinder stator of pre-tightening mechanism, the cylinder stator is fluted so that fixing at the clip position of rectilinear motion tumbler bearing, and by regulating the adjusting bolt on the pre-tightening mechanism, adjustment is to the precompression of cylinder stator.The cylinder stator is equipped with two and drives sufficient driving guide rail top shoe motion.The cylinder stator of this motor is made up of match block and piezoelectric ceramic piece, between per two piezoelectric ceramic pieces, be provided with electrode slice, set gradually from cylinder stator left end to right-hand member left match block, the first curved potsherd that shakes to, match block in the middle of first, the first longitudinal vibration potsherd to, match block in the middle of second, the second longitudinal vibration potsherd to, match block in the middle of the 3rd, the second curved potsherd that shakes to, right match block.Above-mentioned each potsherd has through hole to, electrode slice, match block, and the inwall of through hole cooperates with screw flight.Left side match block is connected by screw rod with right match block and middle match block of tight fit and piezoelectric ceramic piece.Piezoelectric ceramic is two districts to the dividing electrodes of the piezoelectric ceramic of two-phase excitation flexural vibrations, and reverse polarization mutually, the piezoelectric ceramic of two-phase excitation extensional vibration is a subregion, insert excitation power supply, contacted ground connection of potsherd and stator match block from the middle extraction electrode of every group of potsherd.Extensional vibration and flexural vibrations potsherd are applied the excitation power supply that the frequency same phase differs 90 °, the generation phase difference is two kinds of mode of oscillations of 90 °, make stator drive sufficient contact-making surface particle and produce elliptic motion, slide thereby promote slide block, by exchanging the direction of motion that two excitation power supply phase sequences just can change slide block.
Beneficial effect: the utility model is to provide a kind of curved longitudinal vibration ejector half linear ultrasonic electric machine.Adopt the cylinder stator, utilize the flexural vibrations control stator of cylinder and the frictional force of slide block contact-making surface, utilize the extensional vibration of cylinder to produce stator thrust.The stator diameter of making is the curved longitudinal vibration ejector half linear ultrasonic electric machine of 20mm, and its maximum thrust output reaches 20N, and maximum speed reaches 100mm/s.Therefore, curved longitudinal vibration ejector half linear ultrasonic electric machine of the present utility model is with piezoelectric transducer, moving body and the fixing supersonic motor formed of pre-tightening mechanism, it is compared with the traditional electrical magneto, has that thrust is big, outstanding features such as fast dynamic response and operation noiseless.
Description of drawings
Fig. 1 is a general structure end view of the present utility model.Cylinder stator 1, pre-tightening mechanism 2, bedplate 3, guide rail mounting panel 4, guide-track groove 5, slide block 6 are wherein arranged, drive foot 7, rectilinear motion tumbler bearing 21, camber line groove 211, spring 22, mounting yoke 23, mounting yoke mesopore 231, precompressed slide block 24, adjusting bolt 25.
Fig. 2 is a stator structure schematic diagram of the present utility model.Wherein have holding tank 11, screw rod 12, match block 13, first curved shake potsherd to 14, the first longitudinal vibration potsherd to 15, the second longitudinal vibration potsherd to 16, the second curved potsherd that shakes to 17, electrode slice 18, drive foot 7.
Fig. 3 is a general structure vertical view of the present utility model.Cylinder stator 1, pre-tightening mechanism 2, bearing 26, lead rail axis 27 are wherein arranged.
Fig. 4 is a piezoelectric ceramic riding position schematic diagram.Wherein have first curved shake potsherd to 14, the first longitudinal vibration potsherd to 15, the second longitudinal vibration potsherd to 16, the second curved potsherd that shakes to 17, electrode slice 18, "+" wherein polarizes for forward, "-" is reverse polarization.
Embodiment
Motor comprises cylinder stator 1, pre-tightening mechanism 2, bedplate 3, bedplate 3 is horizontally disposed with, guide rail mounting panel 4 vertical vertical fixing are in the left end of bedplate 3, guide rail mounting panel (4) middle inside is fixed in the bottom of guide-track groove 5, the cell wall 51 of slide block 6 sliding contact guide-track grooves 5, slide block 6 outsides contact with the left end that drives foot 7, pre-tightening mechanism 2 crosswise fixed are at the right-hand member of bedplate 3, cylinder stator 1 vertically is arranged in the camber line groove 211 of pre-tightening mechanism 2 left ends, drives foot 7 right-hand members and is fixed in cylinder stator 1 left side.
Claims (6)
1. curved longitudinal vibration ejector half linear ultrasonic electric machine, it is characterized in that this motor comprises cylinder stator (1), pre-tightening mechanism (2), bedplate (3), bedplate (3) is horizontally disposed with, the vertical vertical fixing of guide rail mounting panel (4) is in the left end of bedplate (3), guide rail mounting panel (4) middle inside is fixed in the bottom of guide-track groove (5), the cell wall (51) of slide block (6) sliding contact guide-track groove (5), slide block (6) outside contacts with the left end that drives foot (7), pre-tightening mechanism (2) crosswise fixed is at the right-hand member of bedplate (3), cylinder stator (1) vertically is arranged in the camber line groove (211) of pre-tightening mechanism (2) left end, drives foot (7) right-hand member and is fixed in cylinder stator (1) left side.
2. curved longitudinal vibration ejector half linear ultrasonic electric machine according to claim 1, it is characterized in that cylinder stator (1) comprises five match block (13), be provided with adjacent two match block from cylinder stator (1) left end to right-hand member a potsherd to and set gradually first and curved shake potsherd (14), the first longitudinal vibration potsherd is to (15), the second longitudinal vibration potsherd is to (16), second curved shakes potsherd to (17), each potsherd is to constituting by accompanying an electrode slice (18) between two piezoelectric ceramic pieces, above-mentioned each potsherd is right, electrode slice (18), match block has through hole, the inwall of through hole and screw rod (12) threaded engagement.
3. curved longitudinal vibration ejector half linear ultrasonic electric machine according to claim 1, it is characterized in that pre-tightening mechanism (2) comprises rectilinear motion tumbler bearing (21), spring (22), mounting yoke (23), precompressed slide block (24), regulate bolt (25), bearing (26), lead rail axis (27), rectilinear motion tumbler bearing (21) bottom contacts with bedplate (3), mounting yoke (23) vertical fixing is in the right-hand member of bedplate (3), regulating bolt (25) cooperates with the inner thread of mounting yoke mesopore (231), regulate bolt (25) left end and be provided with precompressed slide block (24), horizontally set spring (22) between rectilinear motion tumbler bearing (21) right side and precompressed slide block (24) left end, spring (22) both sides are horizontally disposed with lead rail axis (27), lead rail axis (27) left end is provided with bearing (26) and rectilinear motion tumbler bearing (21) middle part and is connected, and lead rail axis (27) right-hand member runs through and is fixed in outside the mounting yoke (23).
4. curved longitudinal vibration ejector half linear ultrasonic electric machine according to claim 1 is characterized in that 1/3rd cylinder stator length places are provided with driving foot (7) respectively and are in same plane apart from cylinder stator two ends.
5. curved longitudinal vibration ejector half linear ultrasonic electric machine according to claim 1, it is characterized in that first curved shake potsherd to (14) with second curved shake potsherd to (17) reverse polarization and on shaft position mutual deviation 180 degree, the first longitudinal vibration potsherd polarizes to (16) in the same way to (15), the second longitudinal vibration potsherd, and above-mentioned each potsherd drives between the foot (7) being arranged on two.
6. curved longitudinal vibration ejector half linear ultrasonic electric machine according to claim 1, it is characterized in that cylinder stator (1) midpoint and be provided with holding tank (11) respectively apart from cylinder stator (1) two ends sixth cylinder stator length place, rectilinear motion tumbler bearing (21) the left end camber line groove (211) of three pre-tightening mechanisms (2) contacts with holding tank (11) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720045721XU CN201075846Y (en) | 2007-08-31 | 2007-08-31 | Bending compressional vibration type straight line ultrasound wave electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720045721XU CN201075846Y (en) | 2007-08-31 | 2007-08-31 | Bending compressional vibration type straight line ultrasound wave electric machine |
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| Publication Number | Publication Date |
|---|---|
| CN201075846Y true CN201075846Y (en) | 2008-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720045721XU Expired - Fee Related CN201075846Y (en) | 2007-08-31 | 2007-08-31 | Bending compressional vibration type straight line ultrasound wave electric machine |
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| CN (1) | CN201075846Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102896061A (en) * | 2012-10-15 | 2013-01-30 | 哈尔滨工业大学 | Piezoelectric micro-jet device based on bending vibration sandwich transducer |
| CN103457507A (en) * | 2012-05-30 | 2013-12-18 | 佳能株式会社 | Method for driving ultrasonic motor, ultrasonic motor, and robot arm |
| CN108722855A (en) * | 2018-06-25 | 2018-11-02 | 新乡市振英机械设备有限公司 | A kind of direct discharging screen dual shale shaker optional equipment |
-
2007
- 2007-08-31 CN CNU200720045721XU patent/CN201075846Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103457507A (en) * | 2012-05-30 | 2013-12-18 | 佳能株式会社 | Method for driving ultrasonic motor, ultrasonic motor, and robot arm |
| US9148076B2 (en) | 2012-05-30 | 2015-09-29 | Canon Kabushiki Kaisha | Method for driving ultrasonic motor, ultrasonic motor, and robot arm |
| CN103457507B (en) * | 2012-05-30 | 2015-11-18 | 佳能株式会社 | For driving the method for ultrasonic motor, ultrasonic motor and mechanical arm |
| CN102896061A (en) * | 2012-10-15 | 2013-01-30 | 哈尔滨工业大学 | Piezoelectric micro-jet device based on bending vibration sandwich transducer |
| CN102896061B (en) * | 2012-10-15 | 2014-10-08 | 哈尔滨工业大学 | Piezoelectric micro-jet device based on bending vibration sandwich transducer |
| CN108722855A (en) * | 2018-06-25 | 2018-11-02 | 新乡市振英机械设备有限公司 | A kind of direct discharging screen dual shale shaker optional equipment |
| CN108722855B (en) * | 2018-06-25 | 2019-09-03 | 新乡市振英机械设备有限公司 | A kind of direct discharging screen dual shale shaker optional equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080618 Termination date: 20100831 |