CN105262367A - Patch-type ultrasonic motor, and drive platform and drive method thereof - Google Patents
Patch-type ultrasonic motor, and drive platform and drive method thereof Download PDFInfo
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- CN105262367A CN105262367A CN201510002573.2A CN201510002573A CN105262367A CN 105262367 A CN105262367 A CN 105262367A CN 201510002573 A CN201510002573 A CN 201510002573A CN 105262367 A CN105262367 A CN 105262367A
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Abstract
The invention discloses a patch-type ultrasonic motor, and a drive platform and a drive method thereof and aims at solving the technical problem that the ultrasonic motor which individually adopts a beam structure or disk structure elastomer is not ideal in overall output performance and the like. The patch-type ultrasonic motor comprises a fixed base, a first elastomer, a second elastomer, a rotating body, keys, a thrust ball bearing, a belleville spring, a nut and an output shaft, wherein the first elastomer is in a beam structure; the second elastomer is in a slab structure; a d<31> excitation mode is adopted by a rectangular piezoelectric ceramic piece; a deformation direction of the rectangular piezoelectric ceramic piece and the axis of the first elastomer are arranged at a +/-alpha angle; an excitation signal of an ultrasonic band is applied to the piezoelectric ceramic piece; the first elastomer and the second elastomer are excited to generate longitudinal and flexural vibration modes respectively; drive friction force is generated by superposing and coupling of the vibration modes; and movement outputs of the patch-type ultrasonic motor are achieved. The patch-type ultrasonic motor has the technical advantages of high output power, stable motor operation, wide application range and the like, and has a wide application prospect in the technical fields of precision driving and micro positioning.
Description
Technical field
The present invention relates to a kind of SMD ultrasound electric machine, drive platform and driving method thereof, belong to precision actuation and microposition technical field.
Background technology
Ultrasound electric machine utilizes the inverse piezoelectric effect of piezoelectric element to encourage elastomer to produce ultrasonic vibration a little, realized the small and special electric machine of mechanical energy output by friction coupling.Compared with traditional electrical magneto, be easy to microminiaturization, fast response time because it has structure, without technical advantages such as electromagnetic interference, be widely used in precision actuation and microposition technical field.According to the version of elastomer (or being called stator) and the different of driving incentive mode, ultrasound electric machine mainly contains the several types such as girder construction elastomer ultrasound electric machine and plate structure elastomer ultrasound electric machine.
Chinese patent " rod traveling wave type ultrasonic motor ", Authorization Notice No. is CN100525057C, authorized announcement date is on August 5th, 2009, disclosed a kind of rod traveling wave type ultrasonic motor, piezoelectric ceramic piece group and electrode slice group are screwed connection by the screw rod of base by base and upper balancing weight by its stator module, upper balancing weight is in the form of annular discs, the inside groove boss that upper end has a size relatively little, base outer rim has four screwed holes installed, motor rotor component is by flex rotor, pin, gland, the formations such as axle, precompression between electric machine rotor is obtained by holddown spring and regulates, when motor passes into alternating voltage certain in ultrasonic frequency domain, on electronics stationary part, the particle on the surface of balancing weight and rotor contact does elliptic motion, owing to there is precompression between rotor, frictional force can be produced between rotor, this frictional force can be rotated by drive rotor, Chinese patent " vibrator of beam type linear ultrasonic motor using bending vibration modes ", Authorization Notice No. is CN101626203B, authorized announcement date is on July 20th, 2011, disclosed a kind of vibrator of beam type linear ultrasonic motor using bending vibration modes drives foot by two, two end caps, two insulating cases, two pairs of polarised directions are the piezoelectric ceramic piece of thickness direction, ring flange, two thin walled beams and mount pad composition, the end face of ring flange respectively stretches out a stud along its axis, on each stud, cover has a pair piezoelectric ceramic piece, the projecting end end of each stud is combined with end cap, the end of each end cap is arranged one and drive foot, described every sheet piezoelectric ceramic piece is by combining after cutting, two symmetrical half piezoelectric ceramic piece compositions, between two half piezoelectric ceramic pieces, polarised direction is contrary, the segmentation lines of two pairs of piezoelectric ceramic pieces of flange both sides is mutually vertical, the polarised direction of the piezoelectric ceramic piece in often pair of piezoelectric ceramic piece is contrary, Chinese patent " disc type non-contact ultrasonic motor ", Authorization Notice No. is CN100525056C, authorized announcement date is on August 5th, 2009, disclosed a kind of disc type non-contact ultrasonic motor, primarily of stator module, rotor assembly and making assembly are formed, stator module is pasted by disc stator matrix and piezoelectric ceramic and is formed, the rotor assembly of motor is by rotor matrix, axle, spring, the formations such as nut, motor support base assembly is by base, shell, screw is formed, when motor passes into alternating voltage certain in ultrasonic frequency range, motor stator produces the rotation of supersonic frequency, rotor turns is driven by viscous force, power is exported by axle, Chinese patent " Novel rotating travelling-wave ultrasonic motor ", application notification number is CN102437787A, the application day for announcing is on May 2nd, 2012, disclosed a kind of Novel rotating travelling-wave ultrasonic motor, its critical piece has two stators, rotor, base, friction lining, back-up ring and bearing etc., wherein, the stator that two shapes are identical is arranged symmetrically with and compresses rotor two end faces, ensure that the working face of two stators reliably realizes and rotor surface parallel contact, make rotor contact-making surface uniform force, the radial contact of rotary type travelling wave ultrasonic motor rotor existence that can overcome so at present based on single stator structure is uneven, contact range is little, there is the defects such as radial slippage frictional dissipation in rotor, be expected to the maximum output torque and the efficiency that improve rotary type travelling wave ultrasonic motor, and extend the useful life of rotary type travelling wave ultrasonic motor.
From the drive principle of ultrasound electric machine, under the same terms, the vibration amplitude of motor stator is larger, and between stator and rotor, effective contact area is larger, is more conducive to the raising of motor overall performance.And the elastomeric ultrasound electric machine of above-mentioned employing girder construction, although motor stator vibration amplitude is comparatively large, between stator and rotor, effective contact area is less, makes the mechanical output performance of girder construction ultrasound electric machine limited; For the elastomeric ultrasound electric machine of employing plate structure, compared with girder construction ultrasound electric machine, although effective contact area is comparatively large between motor stator and rotor, the vibration amplitude of stator is general less, shows as the brute force limiting ultrasound electric machine mechanical output equally and exports.As can be seen here, for adopting girder construction elastomer or the elastomeric ultrasound electric machine of plate structure separately, due to the technical problem such as contact area effective between stator and rotor is little or vibration amplitude is little, cause the overall output performance of ultrasound electric machine undesirable, limit its application & development in precision actuation and microposition technical field.
Summary of the invention
For solving for adopting girder construction elastomer or the elastomeric ultrasound electric machine of plate structure separately, because contact area effective between stator and rotor is little or the vibration amplitude little institute technical problem such as cause the overall output performance of ultrasound electric machine undesirable, the invention discloses a kind of SMD ultrasound electric machine, drive platform and driving method thereof.
The technical solution adopted in the present invention is: described SMD ultrasound electric machine comprises firm banking, the first elastomer, the second elastomer, rotor, key, thrust ball bearing, butterfly spring, nut and output shaft composition.
Described firm banking is plate structure, and described firm banking side end surface is along the circumferential direction evenly provided with n through-hole structure, wherein n be more than or equal to 1 integer; End surface center, described firm banking side is provided with thread pore structure, and described firm banking end side centre of surface position is provided with counter sink structure, and described firm banking thread pore structure and counter sink structure centre position are provided with through-hole structure.Described first elastomer is hollow cylindrical structure, described first elastomer both side ends external peripheral surface is provided with external thread structure, external peripheral surface between described first elastomer both side ends external thread structure is along the circumferential direction evenly provided with m outerplanar structure, wherein m be more than or equal to 1 integer, described in be arranged in rectangular piezoelectric ceramic sheet on the first elastomer outerplanar and adopt
d 31exciting pattern encourages, and all through-thickness polarization, the deformation direction of the described rectangular piezoelectric ceramic sheet be arranged on the first elastomer outerplanar all becomes ± α angle arrangement relation with the first elastomeric central axis, described first elastomer is provided with through-hole structure vertically.Described second elastomer is plane second elastomer or interdigitated electrode structure second elastomer.Described rotor is plate structure, and end surface center, described rotor side is provided with circular groove structure, positioned opposite with the second elastomeric circular groove structure; Described rotor end side centre of surface position is provided with flanged structure, described rotor flanged structure end surface is provided with shoulder hole structure, described rotor end surface center is provided with through-hole structure, and described rotor flanged structure inside is provided with keyway arrangements.Described output shaft is multidiameter structure, described output shaft one side end is provided with keyway arrangements, described output shaft is provided with external thread structure near keyway arrangements side, described output shaft end side is provided with external thread structure, and the external peripheral surface that described output shaft and thrust ball bearing are connected is provided with keyway arrangements near keyway arrangements side.
The described rectangular piezoelectric ceramic sheet be arranged on the first elastomer forms exciting group A.
The driving method of described a kind of SMD ultrasound electric machine is specially: described exciting group A passes to the ac-excited signal of telecommunication of a certain supersonic frequency (being generally greater than 16kHz), the extensional vibration that described exciting group A excites encourages the second elastomer to produce flexural vibration mode, the twisting vibration that described exciting group A excites encourages the first elastomer to produce torsion modes, utilize the superposition of mode of oscillation and be coupled, the contact surface of the second elastomer and rotor is formed and drives frictional force, by regulating the phase difference of the ac-excited signal of telecommunication of exciting group A, the movement output of the positive and negative both direction of the present invention can be realized, the described ac-excited signal of telecommunication can be the periodic electric signals such as sine, square wave or sawtooth waveforms.
The invention has the beneficial effects as follows: the present invention adopts the elastomer of beam slab complex method to carry out exciting to ultrasound electric machine, girder construction elastomer is utilized to be coupled with the superposition of plate structure Vibration of Elastic Bodies mode, while realizing motor stator larger vibration amplitude, effective contact area larger between motor stator and rotor can be obtained, the complete machine output performance of ultrasound electric machine is obtained and significantly promotes.The present invention has that power output is large, motor operates steadily, positioning precision is high, environmental suitability is strong and the technical advantage such as applied range, in precision actuation and microposition technical field, have larger application & development prospect.
Accompanying drawing explanation
Figure 1 shows that the cutaway view of a kind of SMD ultrasound electric machine that the present invention proposes;
Figure 2 shows that the front view of the firm banking of a kind of SMD ultrasound electric machine that the present invention proposes;
Figure 3 shows that the cutaway view of the firm banking of a kind of SMD ultrasound electric machine that the present invention proposes;
Figure 4 shows that the first elastomeric front view of a kind of SMD ultrasound electric machine that the present invention proposes;
Figure 5 shows that the first elastomeric cross-sectional view of a kind of SMD ultrasound electric machine that the present invention proposes;
Figure 6 shows that a kind of SMD ultrasound electric machine that the present invention proposes and use the elastomeric front view of plane second of driving platform of this motor;
Figure 7 shows that a kind of SMD ultrasound electric machine that the present invention proposes and use the elastomeric cutaway view of plane second of driving platform of this motor;
Figure 8 shows that a kind of SMD ultrasound electric machine that the present invention proposes and use the elastomeric front view of comb contact-type second of driving platform of this motor;
Figure 9 shows that a kind of SMD ultrasound electric machine that the present invention proposes and use the elastomeric cutaway view of comb contact-type second of driving platform of this motor;
Figure 10 shows that the front view of the rotor of a kind of SMD ultrasound electric machine that the present invention proposes;
Figure 11 shows that the cutaway view of the rotor of a kind of SMD ultrasound electric machine that the present invention proposes;
Figure 12 shows that the partial sectional view of the output shaft of a kind of SMD ultrasound electric machine that the present invention proposes;
Figure 13 shows that a kind of cutaway view using the driving platform of SMD ultrasound electric machine that the present invention proposes;
Figure 14 shows that a kind of cutaway view using the fixing outrigger of the driving platform of SMD ultrasound electric machine that the present invention proposes;
Figure 15 shows that a kind of vertical view using the fixing outrigger of the driving platform of SMD ultrasound electric machine that the present invention proposes;
Figure 16 shows that a kind of the first elastomeric partial sectional view using the driving platform of SMD ultrasound electric machine that the present invention proposes;
Figure 17 shows that a kind of cutaway view using the rotating platform of the driving platform of SMD ultrasound electric machine that the present invention proposes;
Figure 18 shows that a kind of front view using the rotating platform of the driving platform of SMD ultrasound electric machine that the present invention proposes;
Figure 19 shows that a kind of partial sectional view using the fastening connection piece of the driving platform of SMD ultrasound electric machine that the present invention proposes.
Embodiment
Embodiment one: composition graphs 1 ~ Fig. 7, Figure 10 ~ Figure 12 illustrate present embodiment.Present embodiments provide for a kind of specific embodiments of SMD ultrasound electric machine.Described SMD ultrasound electric machine forms primarily of firm banking 1, first elastomer 2, second elastomer 3, rotor 4, key 5, thrust ball bearing 6, butterfly spring 7, nut 8 and output shaft 9.
Described firm banking 1 is plate structure, and described firm banking 1 side end surface is along the circumferential direction evenly provided with n through hole 1-1 structure, and it is for realizing fixed installation of the present invention, wherein n be more than or equal to 1 integer; End surface center, described firm banking 1 side is provided with screwed hole 1-2 structure, and it is for screwing with the first elastomer 2 one side end external screw thread 2-1 structure the fastening installation being connected and realizing the first elastomer 2; Described firm banking 1 end side centre of surface position is provided with counter sink 1-3 structure, and closely cooperating of its layout for nut 8 and thrust ball bearing 6, realizes the fastening installation of output shaft 9 one side end; Described firm banking 1 screwed hole 1-2 structure and counter sink 1-3 structure centre position are provided with through hole 1-4 structure, and it is arranged for the gap realizing output shaft 9.
Described first elastomer 2 is hollow cylindrical structure, described first elastomer 2 both side ends external peripheral surface is provided with external screw thread 2-1 structure, it is connected for screwing with firm banking 1 and the second elastomer 3, realizes being fastenedly connected of firm banking 1 and the second elastomer 3 and the first elastomer 2; External peripheral surface between described first elastomer 2 both side ends external screw thread 2-1 structure is along the circumferential direction evenly provided with m outerplanar 2-2 structure, it is for realizing being fastenedly connected of m sheet rectangular piezoelectric ceramic sheet 2-3 by adhesion process, wherein m be more than or equal to 1 integer; The described rectangular piezoelectric ceramic sheet 2-3 be arranged on the first elastomer 2 outerplanar 2-2 adopts
d 31exciting pattern encourages, and all through-thickness polarization; The deformation direction of the described rectangular piezoelectric ceramic sheet 2-3 be arranged on the first elastomer 2 outerplanar 2-2 all becomes ± α angle arrangement relation with the central axis of the first elastomer 2; Described first elastomer 2 is provided with through hole 2-4 structure vertically, and it is arranged for the gap realizing output shaft 9.
Described second elastomer 3 is plane second elastomer, end surface center, described plane second elastomer 3 side is provided with screwed hole 3-1 structure, it is connected for screwing with the first elastomer 2 one side end external screw thread 2-1, realizes being fastenedly connected of the first elastomer 2 and the second elastomer 3; Described plane second elastomer 3 end side centre of surface position is provided with circular groove 3-3 structure; Described plane second elastomer 3 circular groove 3-3 structure side end surface is provided with friction material 3-4, and it, for increasing the second elastomer 3 and the frictional force of rotor 4 contact surface, realizes high-performance of the present invention and export; Described plane second elastomer 3 circular groove 3-3 structure and screwed hole 3-1 structure centre position are provided with through hole 3-2 structure, and it is arranged for the gap realizing output shaft 9.
Described rotor 4 is plate structure, and end surface center, described rotor 4 side is provided with circular groove 4-1 structure, and the circular groove 3-3 structure of itself and the second elastomer 3 is positioned opposite; Described rotor 4 end side centre of surface position is provided with flange 4-2 structure, and described rotor 4 flange 4-2 structure end surface is provided with shoulder hole 4-3 structure, and it is for realizing closely cooperating of thrust ball bearing 6; Described rotor 4 end surface center is provided with through hole 4-4 structure, and it is arranged for the gap realizing output shaft 9; Described rotor 4 flange 4-2 inside configuration is provided with keyway 4-5 structure, and it realizes the transmission of rotor 4 and output shaft 9 rotary motion and power for being connected with key 5.
Described output shaft 9 is multidiameter structure, and described output shaft 9 one side end is provided with keyway 9-1 structure, and it is for being connected the output realizing motion of the present invention and power with supported complex; Described output shaft 9 is provided with external screw thread 9-2 structure near keyway 9-1 structure side, and it realizes pressurization pretension of the present invention for screwing to be connected with nut 8; Described output shaft 9 end side is provided with external screw thread 9-6 structure, and it realizes pressurization pretension of the present invention for screwing to be connected with nut 8; Described output shaft 9 is used for being connected with thrust ball bearing 6 near the external peripheral surface 9-3 of both sides external screw thread 9-2 and 9-6 structure and 9-5 structure; Between the external peripheral surface 9-3 that described output shaft 9 and thrust ball bearing 6 are connected and 9-5 structure, keyway 9-1 structure side is provided with keyway 9-4 structure, it realizes rotor 4 move and transmission of power with output shaft 9 for being connected with key 5.
The described rectangular piezoelectric ceramic sheet 2-3 be arranged on the first elastomer 2 forms exciting group A.
Embodiment two: present embodiment is described in conjunction with Figure 13 ~ Figure 19.Present embodiments provide for a kind of specific embodiments using the driving platform of SMD ultrasound electric machine.Described a kind of driving platform of SMD ultrasound electric machine that uses forms primarily of fixing outrigger 1, first elastomer 2, second elastomer 3, rotatable platform 4, rolling element 5, thrust ball bearing 6, butterfly spring 7, fastening connection piece 8 and hexagon socket head cap screw 9, describedly a kind ofly applies the second elastomer 3 in the driving platform of SMD ultrasound electric machine and forms identical with connected mode with the structure of the second elastomer 3 in embodiment one.
Described fixing outrigger 1 is the thin wall circular body structure that a side end is provided with flange, described fixing outrigger 1 flange surrounding is along the circumferential direction evenly provided with q through hole 1-1 structure, it is for realizing the fixed installation of fixing outrigger 1, wherein q be more than or equal to 1 integer; Described fixing outrigger 1 thin-wall circular ring body is provided with through hole 1-2 structure near flange section, and it is for realizing the extraction of electrified wire; Described fixing outrigger 1 thin-wall circular ring body is provided with arc-shaped slideway 1-3 structure inside cantilever end, and it is for being connected the rotary steering and support that realize rotatable platform 4 with rolling element 5; End surface center, described fixing outrigger 1 flange side is provided with shoulder hole 1-4 structure, and it is for realizing the mounting arrangements of the first elastomer 2; Described fixing outrigger 1 flange end side centre of surface position is provided with shoulder hole 1-6 structure, and it is for realizing the mounting arrangements of hexagon socket head cap screw 9; 1-4 structure centre position, described fixing outrigger 1 flange end surface step hole is provided with through hole 1-5 structure, and it is for realizing the fastening installation of the first elastomer 2 with hexagon socket head cap screw 9 matched in clearance.
Described first elastomer 2 is provided with the cylindrical structure of screwed hole 2-4 structure for both side ends, described first elastomer 2 side end thread hole 2-4 is used for screwing to be connected with hexagon socket head cap screw 9 realizing being fastenedly connected of the first elastomer 2, described first elastomer 2 end side screwed hole 2-4 is used for screwing with fastening connection piece 8 being connected, and realizes by butterfly spring 7 the pressurization pretension driving platform; Described first elastomer 2 one side end is provided with external screw thread 2-1 structure, and it is connected for screwing with the screwed hole 3-1 structure of the second elastomer 3, realizes being fastenedly connected of the first elastomer 2 and the second elastomer 3; Described first elastomer 2 external peripheral surface is along the circumferential direction evenly provided with m outerplanar 2-2 structure, and it is for realizing being fastenedly connected of m sheet rectangular piezoelectric ceramic sheet 2-3 by adhesion process, wherein m be more than or equal to 1 integer; The described rectangular piezoelectric ceramic sheet 2-3 be arranged on the first elastomer 2 outerplanar 2-2 adopts d31 exciting pattern to encourage, and all through-thickness polarization; The deformation direction of the described rectangular piezoelectric ceramic sheet 2-3 be arranged on the first elastomer 2 outerplanar 2-2 all becomes ± α angle arrangement relation with the central axis of the first elastomer 2.
Described rotatable platform 4 is plate structure, and end surface center, described rotatable platform 4 side is provided with circular groove 4-1 structure, and the circular groove 3-3 structure of itself and the second elastomer 3 is positioned opposite; Described rotatable platform 4 end side centre of surface position is provided with counter sink 4-2 structure, and it is for realizing closely cooperating of thrust ball bearing 6; Be provided with through hole 4-3 structure between described rotatable platform 4 circular groove 4-1 structure and counter sink 4-2 structure, it is arranged for the gap realizing fastening connection piece 8; Described rotatable platform 4 external peripheral surface is provided with circular arc slideway 4-5 structure, and it is for being connected the rotary steering and support that realize rotatable platform 4 with rolling element 5; Described rotatable platform 4 end side surface is along the circumferential direction evenly provided with r screwed hole 4-4 structure, and it is for screwing with load the output being connected and realizing driving platform rotary motion and power, wherein r be more than or equal to 1 integer.
Described fastening connection piece 8 is the cylindrical structure that a side end is provided with inner hexagonal hole, described fastening connection piece 8 end side is provided with external screw thread 8-1 structure, and it is for screwing with the screwed hole 2-4 of the first elastomer 2 one side end the pressurization pretension being connected and realizing driving platform; Outer cylinder surface 8-2 between described fastening connection piece 8 inner hexagonal hole and external screw thread 8-1 structure is used for being closely connected with thrust ball bearing 6.
The described rectangular piezoelectric ceramic sheet 2-3 be arranged on the first elastomer 2 forms exciting group A.
Embodiment three: present embodiments provide for a kind of SMD ultrasound electric machine and use the specific embodiments of driving method of driving platform of this motor.
Described a kind of SMD ultrasound electric machine and use the specific embodiments of the driving method of the driving platform of this motor to be: described exciting group A passes to the ac-excited signal of telecommunication of a certain supersonic frequency (being generally greater than 16kHz), the extensional vibration that described exciting group A excites encourages the second elastomer 3 to produce flexural vibration mode, the twisting vibration that described exciting group A excites encourages the first elastomer 2 to produce torsion modes, utilize the superposition of mode of oscillation and be coupled, the contact surface of the second elastomer 3 and rotor 4 or rotatable platform 4 is formed and drives frictional force, by regulating the phase difference of the ac-excited signal of telecommunication of exciting group A, the movement output of the positive and negative both direction of the present invention can be realized, the described ac-excited signal of telecommunication can be the periodic electric signals such as sine, square wave or sawtooth waveforms.
Embodiment four: composition graphs 8 and Fig. 9 illustrate present embodiment.The elastomeric implementation of a kind of interdigitated electrode structure second of the second elastomer 3 in the driving platform that present embodiments provide for a kind of SMD ultrasound electric machine and use this motor.
Described second elastomer 3 is interdigitated electrode structure second elastomer, end surface center, described interdigitated electrode structure second elastomer 3 side is provided with screwed hole 3-1 structure, it is connected for screwing with the first elastomer 2 one side end external screw thread 2-1, realizes being fastenedly connected of the first elastomer 2 and the second elastomer 3; Described interdigitated electrode structure second elastomer 3 end side centre of surface position is provided with circular groove 3-3 structure; Described interdigitated electrode structure second elastomer 3 circular groove 3-3 structure side end surface is provided with comb 3-6 structure, described interdigitated electrode structure second elastomer 3 comb 3-5 body structure surface is provided with friction material 3-4, it, for increasing the frictional force of the second elastomer 3 and rotor 4 or turntable 4 contact surface, realizes high-performance of the present invention and exports; Described interdigitated electrode structure second elastomer 3 circular groove 3-3 structure and screwed hole 3-1 structure centre position are provided with through hole 3-2 structure, and it is arranged for the gap realizing output shaft 9 or fastening connection piece 8.
Claims (4)
1. a SMD ultrasound electric machine, is made up of firm banking (1), the first elastomer (2), the second elastomer (3), rotor (4), key (5), thrust ball bearing (6), butterfly spring (7), nut (8) and output shaft (9), described firm banking (1) is plate structure, described firm banking (1) side end surface is along the circumferential direction evenly provided with n through hole (1-1) structure, wherein n be more than or equal to 1 integer, end surface center, described firm banking (1) side is provided with screwed hole (1-2) structure, described firm banking (1) end side centre of surface position is provided with counter sink (1-3) structure, and described firm banking (1) screwed hole (1-2) structure and counter sink (1-3) structure centre position are provided with through hole (1-4) structure, described first elastomer (2) is hollow cylindrical structure, described first elastomer (2) both side ends external peripheral surface is provided with external screw thread (2-1) structure, external peripheral surface between described first elastomer (2) both side ends external screw thread (2-1) structure is along the circumferential direction evenly provided with m outerplanar (2-2) structure, wherein m be more than or equal to 1 integer, described in be arranged in rectangular piezoelectric ceramic sheet (2-3) on the first elastomer (2) outerplanar (2-2) and adopt
d 31exciting pattern encourages, and all through-thickness polarization, the deformation direction of the described rectangular piezoelectric ceramic sheet (2-3) be arranged on the first elastomer (2) outerplanar (2-2) all becomes ± α angle arrangement relation with the central axis of the first elastomer (2), described first elastomer (2) is provided with through hole (2-4) structure vertically, described second elastomer (3) is plane second elastomer, end surface center, described plane second elastomer (3) side is provided with screwed hole (3-1) structure, described plane second elastomer (3) end side centre of surface position is provided with circular groove (3-3) structure, described plane second elastomer (3) circular groove (3-3) structure side end surface is provided with friction material (3-4), described plane second elastomer (3) circular groove (3-3) structure and screwed hole (3-1) structure centre position are provided with through hole (3-2) structure, described rotor (4) is plate structure, end surface center, described rotor (4) side is provided with circular groove (4-1) structure, circular groove (3-3) structure of itself and the second elastomer (3) is positioned opposite, described rotor (4) end side centre of surface position is provided with flange (4-2) structure, described rotor (4) flange (4-2) structure end surface is provided with shoulder hole (4-3) structure, described rotor (4) end surface center is provided with through hole (4-4) structure, described rotor (4) flange (4-2) inside configuration is provided with keyway (4-5) structure, described output shaft (9) is multidiameter structure, described output shaft (9) side end is provided with keyway (9-1) structure, described output shaft (9) is provided with external screw thread (9-2) structure near keyway (9-1) structure side, described output shaft (9) end side is provided with external screw thread (9-6) structure, the external peripheral surface (9-3) of described output shaft (9) near both sides external screw thread (9-2) with (9-6) structure is connected with (9-5) structure and thrust ball bearing (6), between the external peripheral surface (9-3) that described output shaft (9) and thrust ball bearing (6) are connected and (9-5) structure, keyway (9-1) structure side is provided with keyway (9-4) structure, the described rectangular piezoelectric ceramic sheet (2-3) be arranged on the first elastomer (2) forms exciting group A.
2. a SMD driving platform according to claim 1, it is characterized in that: be a kind of driving platform using SMD ultrasound electric machine, described a kind of driving platform of SMD ultrasound electric machine that uses forms by fixing outrigger (1), the first elastomer (2), the second elastomer (3), rotatable platform (4), rolling element (5), thrust ball bearing (6), butterfly spring (7), fastening connection piece (8) and hexagon socket head cap screw (9), described fixing outrigger (1) is the thin wall circular body structure that a side end is provided with flange, described fixing outrigger (1) flange surrounding is along the circumferential direction evenly provided with q through hole (1-1) structure, wherein q be more than or equal to 1 integer, described fixing outrigger (1) thin-wall circular ring body is provided with through hole (1-2) structure near flange section, described fixing outrigger (1) thin-wall circular ring body is provided with arc-shaped slideway (1-3) structure inside cantilever end, end surface center, described fixing outrigger (1) flange side is provided with shoulder hole (1-4) structure, described fixing outrigger (1) flange end side centre of surface position is provided with shoulder hole (1-6) structure, described fixing outrigger (1) flange end surface step hole (1-4) structure centre position is provided with through hole (1-5) structure, described first elastomer (2) is provided with the cylindrical structure of screwed hole (2-4) structure for both side ends, described first elastomer (2) side end is provided with external screw thread (2-1) structure, described first elastomer (2) external peripheral surface is along the circumferential direction evenly provided with m outerplanar (2-2) structure, wherein m be more than or equal to 1 integer, the described rectangular piezoelectric ceramic sheet (2-3) be arranged on the first elastomer (2) outerplanar (2-2) adopts d31 exciting pattern to encourage, and all through-thickness polarization, the deformation direction of the described rectangular piezoelectric ceramic sheet (2-3) be arranged on the first elastomer (2) outerplanar (2-2) all becomes ± α angle arrangement relation with the central axis of the first elastomer (2), described rotatable platform (4) is plate structure, end surface center, described rotatable platform (4) side is provided with circular groove (4-1) structure, described rotatable platform (4) end side centre of surface position is provided with counter sink (4-2) structure, through hole (4-3) structure is provided with between described rotatable platform (4) circular groove (4-1) structure and counter sink (4-2) structure, described rotatable platform (4) external peripheral surface is provided with circular arc slideway (4-5) structure, described rotatable platform (4) end side surface is along the circumferential direction evenly provided with r screwed hole (4-4) structure, wherein r be more than or equal to 1 integer, described fastening connection piece (8) is the cylindrical structure that a side end is provided with inner hexagonal hole, described fastening connection piece (8) end side is provided with external screw thread (8-1) structure, and the outer cylinder surface (8-2) between described fastening connection piece (8) inner hexagonal hole and external screw thread (8-1) structure and thrust ball bearing (6) are closely connected, the described rectangular piezoelectric ceramic sheet (2-3) be arranged on the first elastomer (2) forms exciting group A.
3. a SMD ultrasound electric machine as claimed in claim 1 or 2 and use the driving method of driving platform of this motor, it is characterized in that: described SMD ultrasound electric machine and use the driving method of the driving platform of this motor the to be specially ac-excited signal of telecommunication that exciting group A passes to a certain supersonic frequency (being greater than 16kHz), the ac-excited signal of telecommunication is the periodic electric signal such as sinusoidal, square wave or sawtooth waveforms.
4. a SMD ultrasound electric machine according to claim 1 and 2 and use second elastomer (3) of driving platform of this motor, it is characterized in that: be a kind of interdigitated electrode structure second elastomer, end surface center, described interdigitated electrode structure second elastomer (3) side is provided with screwed hole (3-1) structure, described interdigitated electrode structure second elastomer (3) end side centre of surface position is provided with circular groove (3-3) structure, described interdigitated electrode structure second elastomer (3) circular groove (3-3) structure side end surface is provided with comb (3-6) structure, described interdigitated electrode structure second elastomer (3) comb (3-6) body structure surface is provided with friction material (3-4), described interdigitated electrode structure second elastomer (3) circular groove (3-3) structure and screwed hole (3-1) structure centre position are provided with through hole (3-2) structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510002573.2A CN105262367A (en) | 2015-01-06 | 2015-01-06 | Patch-type ultrasonic motor, and drive platform and drive method thereof |
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| CN201510002573.2A CN105262367A (en) | 2015-01-06 | 2015-01-06 | Patch-type ultrasonic motor, and drive platform and drive method thereof |
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| CN105262367A true CN105262367A (en) | 2016-01-20 |
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| CN201510002573.2A Withdrawn CN105262367A (en) | 2015-01-06 | 2015-01-06 | Patch-type ultrasonic motor, and drive platform and drive method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111557784A (en) * | 2020-07-15 | 2020-08-21 | 上海微创医疗器械（集团）有限公司 | Ultrasonic vibrator, ultrasonic emulsification handle and ultrasonic emulsification system |
| CN112290822A (en) * | 2020-09-14 | 2021-01-29 | 南京航空航天大学 | High-thrust threaded linear ultrasonic motor and working method thereof |
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| US5402030A (en) * | 1989-12-13 | 1995-03-28 | Canon Kabushiki Kaisha | Vibration wave driven apparatus |
| US6300705B1 (en) * | 1998-07-29 | 2001-10-09 | Asmo Co., Ltd. | Ultrasonic motor driven by elliptic vibration |
| CN1389974A (en) * | 2002-07-31 | 2003-01-08 | 清华大学 | Great-moment oscillating piezoelectric ultrasonic motor |
| CN1606228A (en) * | 2004-11-12 | 2005-04-13 | 南京航空航天大学 | Rod traveling wave type ultrasonic motor |
| CN101777853A (en) * | 2010-01-12 | 2010-07-14 | 南京航空航天大学 | d31-effect based unidirectional chip longitudinal-torsional compound ultrasonic motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5402030A (en) * | 1989-12-13 | 1995-03-28 | Canon Kabushiki Kaisha | Vibration wave driven apparatus |
| US6300705B1 (en) * | 1998-07-29 | 2001-10-09 | Asmo Co., Ltd. | Ultrasonic motor driven by elliptic vibration |
| CN1389974A (en) * | 2002-07-31 | 2003-01-08 | 清华大学 | Great-moment oscillating piezoelectric ultrasonic motor |
| CN1606228A (en) * | 2004-11-12 | 2005-04-13 | 南京航空航天大学 | Rod traveling wave type ultrasonic motor |
| CN101777853A (en) * | 2010-01-12 | 2010-07-14 | 南京航空航天大学 | d31-effect based unidirectional chip longitudinal-torsional compound ultrasonic motor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111557784A (en) * | 2020-07-15 | 2020-08-21 | 上海微创医疗器械（集团）有限公司 | Ultrasonic vibrator, ultrasonic emulsification handle and ultrasonic emulsification system |
| CN111557784B (en) * | 2020-07-15 | 2020-11-13 | 微创视神医疗科技(上海)有限公司 | Ultrasonic vibrator, ultrasonic emulsification handle and ultrasonic emulsification system |
| CN112290822A (en) * | 2020-09-14 | 2021-01-29 | 南京航空航天大学 | High-thrust threaded linear ultrasonic motor and working method thereof |
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