WO2022006997A1 - 一种可切换振动模态的超声装置及方法 - Google Patents

一种可切换振动模态的超声装置及方法 Download PDF

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Publication number
WO2022006997A1
WO2022006997A1 PCT/CN2020/103660 CN2020103660W WO2022006997A1 WO 2022006997 A1 WO2022006997 A1 WO 2022006997A1 CN 2020103660 W CN2020103660 W CN 2020103660W WO 2022006997 A1 WO2022006997 A1 WO 2022006997A1
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Prior art keywords
vibration
spring
tool head
ultrasonic
slider
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Ceased
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PCT/CN2020/103660
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English (en)
French (fr)
Inventor
姜文帆
姜银方
吴搏
董正乾
金伟
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Jiangsu University
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Jiangsu University
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Priority to US17/434,459 priority Critical patent/US11471377B2/en
Publication of WO2022006997A1 publication Critical patent/WO2022006997A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H23/00—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms
    • A61H23/02—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms with electric or magnetic drive
    • A61H23/0245—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms with electric or magnetic drive with ultrasonic transducers, e.g. piezoelectric
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H39/00—Devices for locating or stimulating specific reflex points of the body for physical therapy, e.g. acupuncture
    • A61H39/007—Stimulation by mechanical vibrations, e.g. ultrasonic
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H39/00—Devices for locating or stimulating specific reflex points of the body for physical therapy, e.g. acupuncture
    • A61H39/08—Devices for applying needles to such points, i.e. for acupuncture ; Acupuncture needles or accessories therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H39/00—Devices for locating or stimulating specific reflex points of the body for physical therapy, e.g. acupuncture
    • A61H39/08—Devices for applying needles to such points, i.e. for acupuncture ; Acupuncture needles or accessories therefor
    • A61H39/086—Acupuncture needles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/04—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism
    • B06B1/045—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism using vibrating magnet, armature or coil system
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B3/00—Methods or apparatus specially adapted for transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H02K33/16—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • H02N2/0005—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing non-specific motion; Details common to machines covered by H02N2/02 - H02N2/16
    • H02N2/001—Driving devices, e.g. vibrators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • H02N2/0005—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing non-specific motion; Details common to machines covered by H02N2/02 - H02N2/16
    • H02N2/005—Mechanical details, e.g. housings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/12—Driving means
    • A61H2201/1207—Driving means with electric or magnetic drive
    • A61H2201/1215—Rotary drive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
    • B06B2201/50—Application to a particular transducer type
    • B06B2201/52—Electrodynamic transducer
    • B06B2201/53—Electrodynamic transducer with vibrating magnet or coil
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
    • B06B2201/70—Specific application
    • B06B2201/76—Medical, dental
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N35/00—Magnetostrictive devices

Definitions

  • the invention relates to the field of ultrasonic technology, and in particular, to an ultrasonic device and method capable of switching vibration modes.
  • the ultrasonic vibration device mostly adopts a single vibration mode, which cannot complete the motion control of the tool head.
  • the invention patent with publication number CN 104502443A provides a circumferential array magnetostrictive sensor based on orthogonal surrounding coils, which can only generate ultrasonic waves in the form of fixed vibration, that is, torsional vibration, which cannot be switched without replacing components.
  • the requirements of various vibration states make it impossible to control the motion of the tool head.
  • the invention patent with publication number CN106733571B discloses a single-excitation longitudinal-bending composite vibration ultrasonic transducer.
  • the ultrasonic waves generated by the transducer are composite vibration ultrasonic waves, but the vibration modes cannot be switched independently, and the tool head cannot be moved.
  • the invention patent publication number CN109589506A discloses an ultrasonic acupuncture transducer with switchable vibration modes. Although the switch of ultrasonic modes can be completed, the transducer cannot control the motion of the tool head.
  • the present invention provides an ultrasonic method and device with switchable vibration modes: the device is formed by combining the ultrasonic motor, the structural design of the magnetostrictive material and the driving coils with different functions, so that the device can Without replacing the components, ultrasonic waves with switchable modes are generated, namely three different vibration modes of longitudinal vibration, torsional vibration and longitudinal torsional vibration.
  • different vibration modes are excited without the need to replace parts, which meets the processing requirements of different vibration forms, and the operation is more convenient and fast, and the overall design structure of the device ensures that the device can operate efficiently and safely.
  • the present invention achieves the above technical purpose through the following technical means.
  • An ultrasonic device with switchable vibration modes comprising a hollow shaft, an ultrasonic motor and a limit casing;
  • the ultrasonic motor comprises an ultrasonic motor casing and an ultrasonic motor rotor;
  • the hollow shaft casing and the ultrasonic motor rotor are in interference fit, so
  • the limit shell is welded on the ultrasonic motor shell, and the limit shell is sleeved on the outer side of the shell;
  • a strip spring threaded slider and a moving head are arranged between the limit shell and the shell;
  • the strip spring threaded slider and The moving head is arranged opposite to the front and back;
  • an electromagnet is installed on the inner side wall of the casing; when the electromagnet is energized, the thread on the strip spring threaded slider can be threadedly connected with the casing thread on the casing, and at the same time, the strip spring thread
  • the sliding block can slide axially along the inner side wall of the limiting casing, the strip spring threaded sliding
  • the hollow shaft includes a casing, the outer side wall of the casing is provided with casing threads, the inner side wall of the casing is provided with an interlayer, and a heat insulating ring is arranged in the interlayer; the end of the hollow shaft is a solid structure, and the solid structure is A reserved groove is opened, and a groove is formed in the reserved groove.
  • a vibration source is arranged inside the moving head, and a cake-shaped spring buckle is fixed on the vibration source; a cake-shaped electromagnet is arranged in the reserved groove (1-4); when the cake-shaped electromagnet is energized, Under the action of magnetic force, the pie-shaped spring buckle is attached to the pie-shaped electromagnet, thereby driving the vibration source and the moving head to rotate, and the tool head rotates.
  • the moving head includes a permanent magnet, a tool head groove and a plane bearing; the moving head is cylindrical, one end of the cylindrical shape is sequentially provided with a plane bearing and a permanent magnet, and the bottom of the cylindrical shape is provided with a tool head groove. , a tool head is arranged in the tool head groove.
  • the vibration source includes a vibration coil, a paranoid magnet, a torsional vibration coil, a conductive filler and a vibration source casing; the vibration source casing is sequentially provided with a vibration coil, a paranoid magnet, a torsional vibration coil and a conductive filler.
  • the center of the vibration source passes through the tool head slot.
  • the pie-shaped spring buckle includes a pie-shaped base, a transmission plate and a buckle spring; the pie-shaped base is provided with a groove, one end of the buckle spring is arranged in the groove, and the other end of the buckle spring is provided. Set on the drive plate.
  • the bar-shaped spring threaded slider includes a thread, a spring, a slider and a transmission block; the transmission block is provided with a thread, the transmission block is provided with a groove in the vertical direction of the thread, and one end of the spring is installed in the groove, A slider is installed at the other end of the spring; the slider is a T-shaped slider.
  • the limiting housing is provided with a T-shaped slideway in the axial direction, and the T-shaped slideway is slidably connected with the slider.
  • a detection method for an ultrasonic device with switchable vibration modes including the following modes:
  • Linear motion form When the electromagnet is energized, the attractive force generated by the electromagnet attracts the transmission block, so that the thread on the transmission block is threadedly connected with the outer shell thread of the hollow shaft, and the slider moves linearly in the limit chute.
  • the transmission block Under the action of the permanent magnet, the transmission block is always in contact with the plane bearing, that is, the moving head and the transmission block are always connected; the push-pull moving head of the transmission block performs linear motion between the inner wall of the limit housing and the outer wall of the hollow shaft; changing the rotation of the ultrasonic motor
  • the direction can change the linear motion direction of the moving head, that is, forward and backward;
  • Rotational motion form When the pie electromagnet is not energized, the drive plate of the pie spring clip is away from the groove of the hollow shaft under the tension of the spring, and the attractive force generated by the pie electromagnet will attract the drive plate into the hollow shaft. In the bottom groove, the moving head rotates with the hollow shaft; changing the rotation direction of the ultrasonic motor can change the rotating direction of the moving head, that is, clockwise rotation and counterclockwise rotation;
  • Ultrasonic source vibration form the magnetic field direction of the paranoid magnet in the vibration source is along the axial direction of the tool head.
  • the direction of the alternating magnetic field generated by the longitudinal vibration coil is parallel to the axial direction of the tool head and parallel to the paranoid magnet.
  • the tool head produces longitudinal vibration; when only the torsional vibration coil is supplied with alternating current, the direction of the alternating magnetic field generated by the torsional vibration coil is the circumferential direction of the tool head, and works together with the paranoid magnet to make the tool head produce torsional vibration; when Longitudinal vibration coil, when the torsional vibration coil is connected to alternating current at the same time, the tool head will generate longitudinal torsional vibration mode.
  • the purpose of this device is to help reduce the processing cost due to the use of a variety of different transducers during processing and improve processing efficiency.
  • the device is compact in structure, small in size, convenient to use, limited position, heat insulation and other safety measures, and can work safely and efficiently.
  • the device is composed of the design of the permanent magnet on the ultrasonic motor and the tool head and the different driving coils in the vibration sources with different functions, so that the device can generate ultrasonic waves with switchable modes without changing the components. , namely three different vibration modes of longitudinal vibration, torsional vibration and longitudinal torsional vibration.
  • 1 is a schematic diagram of the overall structure of an ultrasonic method and device for switching vibration modes
  • FIG. 2 is a half-section view of the overall structure of an ultrasonic method and device for a switchable vibration mode
  • Figure 3 is a schematic view of the structure of the hollow shaft
  • Figure 4 is a schematic diagram of the bottom structure of the hollow shaft
  • Figure 5 is a schematic diagram of a hollow ultrasonic motor
  • Figure 6 is a schematic structural diagram of the cooperation between the limit chute and the slider
  • Figure 7 is a schematic diagram of the structure of a strip spring threaded slider
  • Figure 8 is a schematic view of the structure of the vibration source
  • Figure 9 is a front view of a pie-shaped spring buckle
  • FIG. 10 is a top view of the pie-shaped spring clip.
  • FIG. 11 is a schematic diagram of the structure of the moving head
  • first and second are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as “first” or “second” may expressly or implicitly include one or more of that feature.
  • “plurality” means two or more, unless otherwise expressly and specifically defined.
  • the terms “installed”, “connected”, “connected”, “fixed” and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrally connected; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication between the two components.
  • installed e.g., it may be a fixed connection or a detachable connection , or integrally connected; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication between the two components.
  • An ultrasonic device with switchable vibration modes comprising a hollow shaft 1, an ultrasonic motor 2 and a limit housing 3; the ultrasonic motor 2 comprises an ultrasonic motor housing 2-1 and an ultrasonic motor rotor 2-2; the hollow shaft 1
  • the outer shell 1-1 of the ultrasonic motor is in interference fit with the ultrasonic motor rotor 2-2, the limit shell 3 is welded on the ultrasonic motor shell 2-1, and the limit shell 3 is sleeved on the outside of the shell 2-1;
  • the limit shell 3 3 and the shell 2-1 are provided with a strip spring threaded slider 4 and a moving head 7; the strip spring threaded slider 4 and the moving head 7 are arranged opposite to each other; Electromagnet 6; when the electromagnet 6 is energized, the thread 4-1 on the strip spring threaded slider 4 can be threadedly connected with the casing thread 1-2 on the shell 1-1, and at the same time, the strip spring threaded slider 4 can be axially slid along the inner
  • the hollow shaft 1 includes an outer casing 1-1, the outer side wall of the outer casing 1-1 is provided with a casing thread 1-2, the inner side wall of the outer casing 1-1 is provided with an interlayer 1-3, and the interlayer 1-3 is provided with There is a heat insulation ring 5; the end of the hollow shaft 1 is a solid structure, a reserved groove 1-4 is formed on the solid structure, and a groove 1-5 is formed in the reserved groove 1-4.
  • a vibration source 8 is provided inside the moving head 7, and a pan-shaped spring buckle 11 is fixed on the vibration source 8; pan-shaped electromagnets 10 are provided in the reserved grooves 1-4; When 10 is energized, under the action of magnetic force, the pie-shaped spring buckle 11 is attached to the pie-shaped electromagnet 10, thereby driving the vibration source 8 and the moving head 7 to rotate, and the filigree needle rotates.
  • the moving head 7 includes a permanent magnet 7-1, a tool head groove 7-3 and a plane bearing 7-4; the moving head 7 is cylindrical, and one end of the cylindrical shape is sequentially provided with a plane bearing 7-4 And the permanent magnet 7-1, the bottom of the cylinder is provided with a tool head groove 7-3, and the tool head groove 7-3 is provided with a filigree needle.
  • the vibration source 8 includes a vibration coil 8-1, a biased magnet 8-2, a torsional vibration coil 8-3, a conductive filler 8-4 and a vibration source housing 8-5; the vibration source housing 8-5 A vibrating coil 8-1, a paranoid magnet 8-2, a torsional vibrating coil 8-3 and a conductive filler 8-4 are sequentially arranged inside.
  • the center of the vibration source 8 passes through the tool head slot 7-3.
  • the pie-shaped spring buckle 11 includes a pie-shaped base 11-1, a transmission plate 11-2 and a buckle spring 11-3; the pie-shaped base 11-1 is provided with a groove, and the groove is provided with There is one end of the buckle spring 11-3, and the other end of the buckle spring 11-3 is arranged on the transmission plate 11-2.
  • the strip spring threaded slider 4 includes a thread 4-1, a spring 4-2, a slider 4-3 and a transmission block 4-4; the transmission block 4-4 is provided with a thread 4-1, The transmission block 4-4 is provided with a groove perpendicular to the thread 4-1, one end of the spring 4-2 is installed in the groove, and the other end of the spring 4-2 is installed with a slider 4-3; the slider 4-3 For the T-slider.
  • the limiting housing 3 is provided with a T-shaped slideway in the axial direction, and the T-shaped slideway is slidably connected with the slider 4-3.
  • a detection method for an ultrasonic device with switchable vibration modes including the following modes:
  • Linear motion form when the electromagnet 6 is energized, the attractive force generated by the electromagnet 6 will attract the transmission block 4-4, so that the thread 4-1 on the transmission block 4-4 and the outer shell thread 1-2 thread of the hollow shaft 1 connected, the slider 4-3 moves linearly in the limit chute 3-1, and at the same time, under the action of the permanent magnet 7-1, the transmission block 4-4 is always in contact with the plane bearing 7-4, that is, the moving head 7 It is always connected with the transmission block 4-4; the transmission block 4-4 pushes and pulls the moving head 7 to perform linear motion between the inner wall of the limit housing 3 and the outer wall of the hollow shaft 1; changing the rotation direction of the ultrasonic motor 2 can change the linear motion of the moving head 7 direction, i.e. forward and backward;
  • Rotational movement form when the pancake electromagnet 10 is not energized, the drive plate 11-2 of the pancake spring clip 11 is away from the groove 1-5 of the hollow shaft 1 under the pulling force of the spring 11-3, and the pancake electromagnet 10
  • the attractive force generated after power-on will attract the drive plate 11-2 into the groove 1-5 at the bottom of the hollow shaft 1, so that the moving head 7 rotates with the hollow shaft 1; changing the rotation direction of the ultrasonic motor 2 can change the movement of the moving head 7.
  • the direction of the rotational movement that is, clockwise rotation and counterclockwise rotation;
  • Ultrasonic source vibration form the magnetic field direction of the paranoid magnet 8-2 in the vibration source 8 is along the axial direction of the filigree needle.
  • the direction of the alternating magnetic field generated by the longitudinal vibration coil 8-1 is the same as that of the longitudinal vibration coil 8-1.
  • the axial direction of the filigree needle is parallel, and works together with the paranoid magnet 8-2 to make the tool head filigree needle vibrate longitudinally; when only the torsional vibration coil 8-3 is supplied with alternating current, the direction of the alternating magnetic field generated by the torsional vibration coil 8-3 is the direction of the tool.
  • the circumferential direction of the head filiform needle works together with the paranoid magnet 8-2, so that the tool head filiform needle produces torsional vibration; when the longitudinal vibration coil 8-1 and the torsional vibration coil 8-3 are connected to alternating current at the same time, the tool head filiform needle produces longitudinal torsion vibration mode.
  • filigree needles can effectively enhance the feeling of acupuncture and the depth of nerve stimulation, and enhance the feeling of "de-qi" during acupuncture.
  • the flexible movement form of the device can imitate acupuncture techniques, enhance the curative effect and make the treatment process safer. Convenient.
  • an ultrasonic device with switchable vibration modes includes a hollow shaft 1, an ultrasonic motor 2, a limit housing 3, a bar spring threaded slider 4, a heat insulation ring 5, an electromagnet 6, a moving head 7, Vibration source 8, tool head 9, pan-shaped electromagnet 10, pan-shaped spring buckle 11 and filler 12;
  • the hollow shaft 1 includes a casing 1-1, casing threads 1-2, interlayers 1-3 and reserved grooves 1-4.
  • the rotary motion is converted into linear motion, and there are grooves 1-5 at the bottom, which cooperate with the pie-shaped spring bayonet 11 to output rotary motion;
  • the outer wall of the ultrasonic motor 2 is the ultrasonic motor housing 2-1, and the inner wall is the ultrasonic motor rotor 2-2;
  • the limit housing 3 is welded on one end of the ultrasonic motor housing 2-1, and its interior has a limit chute 3-1, the chute 3-1 is a T-shaped structure, and the slider 4-3 can be straight along the chute 3-1 sports;
  • the bar-shaped spring threaded slider 4 includes a spring 4-2, a slider 4-3, a transmission block 4-4, and the transmission block 4-4 has a thread 4-1, which is connected with the outer casing thread 1-1 of the hollow shaft 1. 2 cooperate;
  • the heat insulation ring 5 should be made of magnetic conductive material
  • the electromagnet 6 generates a magnetic field after the current is turned on, which can act on the transmission block 4 under the constraint of the magnetic yoke, and the electromagnet 6 is attached to the heat insulation ring 5 to reduce heat transfer. After the current is turned on, the magnetic field can attract Transmission block 4-4;
  • the vibration source 8 includes a longitudinal vibration coil 8-1, a biased magnet 8-2, a torsional vibration coil 8-3, a conductive filler 8-4 and a vibration source housing 8-5;
  • the tool head 9 is made of magnetostrictive material and is pre-magnetized in the axial direction;
  • the pie-shaped electromagnet 10 has a groove in its center
  • the pie-shaped spring buckle 11 includes a pie-shaped base 11-1, a transmission plate 11-2 and a buckle spring 11-3;
  • the filler 12 can fully fill the hollow part of the hollow shaft 1 to prevent displacement of internal components.

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  • Apparatuses For Generation Of Mechanical Vibrations (AREA)

Abstract

本发明公开了一种可切换振动模态的超声装置及方法，该装置包括空心轴、超声电机、限位外壳、电磁铁、运动头、振动源和工具头，通过超声电机与磁致伸缩材料的结构设计以及不同功能的驱动线圈组合而成，从而使得装置能够在不跟换组件的情况下，产生可切换模态的超声波，即纵向振动、扭转振动和纵扭振动三种不同振动模态。装置运行过程中，在不需要再更换部件的情况下激发不同振动模态，满足了不同振动形式的加工需求，同时操作更加方便快捷，而且装置的整体设计结构保证了装置能够高效安全运行。

Description

一种可切换振动模态的超声装置及方法 技术领域
本发明涉及超声技术领域，尤其涉及到一种可切换振动模态的超声装置及方法。
背景技术
目前，通过超声振动装置多采用单一振动模式，无法完成对工具头的运动控制，在制造业飞速发展，需求的加工技术愈加复杂的情况下，急需发明一种可切换振动模态的超声方法及装置。
公开号为CN 104502443A的发明专利提供了一种基于正交环绕线圈的圆周阵列式磁致伸缩传感器，其仅能产生固定振动形式的超声波，即扭转振动，无法满足在不更换组件的情况下切换多种振动状态的要求，更无法对工具头进行运动控制。
公开号为CN106733571B的发明专利公开了一种单激励纵弯复合振动超声换能器，其产生的超声波为复合振动超声，但其振动模态无法独立切换，也无法使工具头完成运动。
公开号为CN109589506A的发明专利公开了一种可切换振动模态的超声针灸换能器，虽然可以完成超声模态的切换，但换能器无法对工具头进行运动控制。
发明内容
为解决上述问题，本发明提供了一种可切换振动模态的超声方法及装置：该装置是通过超声电机与磁致伸缩材料的结构设计以及不同功能的驱动线圈组合而成，从而使得装置能够在不跟换组件的情况下，产生可切换模态的超声波，即纵向振动、扭转振动和纵扭振动三种不同振动模态。装置运行过程中，在不需要再更换部件的情况下激发不同振动模态，满足了不同振动形式的加工需求，同时操作更加方便快捷，而且装置的整体设计结构保证了装置能够高效安全运行。
本发明是通过以下技术手段实现上述技术目的的。
一种可切换振动模态的超声装置，包括空心轴、超声电机和限位外壳；所述超声电机包括超声电机外壳和超声电机转子；所述空心轴的外壳与超声电机转子过盈配合，所述限位外壳焊接在超声电机外壳上，且限位外壳套装在外壳外侧；所述限位外壳与外壳之间设置有条形弹簧螺纹滑块和运动头；所述条形弹簧螺纹滑块和运动头前后相对设置；所述外壳内侧壁上安装有电磁铁；当电磁铁通电时，所述条形弹簧螺纹滑块上的螺纹可与外壳上的外壳螺纹螺纹连接，同时，条形弹簧螺纹滑块可沿限位外壳内侧壁轴向滑动，条形弹簧螺纹滑块可推动运动头沿外壳外侧壁滑动，运动头上设置有工具头。
进一步的，所述空心轴包括外壳，外壳的外侧壁上开设有外壳螺纹，外壳内侧壁上开设有夹层，夹层内设置有隔热环；所述空心轴的端部为实心结构，实心结构上开设有预留槽，预留槽内开设有凹槽。
进一步的，所述运动头内部设置有振动源，振动源上固定有饼状弹簧卡扣；所述预留槽(1-4)内设置有饼状电磁铁；当饼状电磁铁通电时，在磁力的作用下，饼状弹簧卡扣与饼状电磁铁贴合，从而带动振动源和运动头旋转，工具头旋转运动。
进一步的，所述运动头包括永磁体、工具头槽和平面轴承；所述运动头为圆筒形，圆筒形的一端依次设置平面轴承和永磁体，圆筒形的底部设置有工具头槽，工具头槽内设置有工具头。
进一步的，所述振动源包括振动线圈、偏执磁铁、扭转振动线圈、传导填充物和振动源外壳；所述振动源外壳内依次设置有振动线圈、偏执磁铁、扭转振动线圈和传导填充物。
进一步的，所述振动源中心穿过工具头槽。
进一步的，所述饼状弹簧卡扣包括饼状底座、传动板和卡扣弹簧；所述饼状底座上开设有凹槽，凹槽内设置有卡扣弹簧的一端，卡扣弹簧的另一端设置在传动板上。
进一步的，所述条形弹簧螺纹滑块包括螺纹、弹簧、滑块和传动块；所述传动块上开设有螺纹，传动块与螺纹垂直方向上开设有槽，槽内安装有弹簧的一端，弹簧的另一端安装有滑块；所述滑块为T型滑块。
进一步的，所述限位外壳沿轴向方向上开设有T型滑道，T型滑道与所述滑块滑动连接。
可切换振动模态的超声装置的检测方法，包括如下模式：
直线运动形式：当电磁铁通电时，电磁铁产生的吸引力将传动块吸引，使得传动块上的螺纹与中空轴外侧的外壳螺纹螺纹连接，滑块在限位滑槽中作直线运动，同时，在永磁铁的作用下，传动块始终与平面轴承接触，即运动头与传动块始终保持连接；传动块推拉运动头在限位外壳内壁与空心轴外壁之间做直线运动；改变超声电机旋转方向可以改变运动头的直线运动方向，即前进与后退；
旋转运动形式：饼状电磁铁未通电时，饼状弹簧卡扣的传动板在弹簧的拉力作用下远离空心轴的凹槽，饼状电磁铁通电后产生的吸引力将传动板吸引插入空心轴底部凹槽内，使得运动头随着空心轴做旋转运动；改变超声电机旋转方向可以改变运动头的旋转运动方向，即顺势针旋转与逆时针旋转；
超声源振动形式：振动源内的偏执磁铁磁场方向沿工具头的轴向，当仅有纵向振动线圈通入交流电时，纵向振动线圈产生的交变磁场方向与工具头的轴向平行，与偏执磁铁共同作用，使得工具头产生纵向振动；当仅有扭转振动线圈入交流电时，扭转振动线圈产生的交变 磁场方向为工具头的周向，与偏执磁铁共同作用，使得工具头产生扭转振动；当纵向振动线圈，扭转振动线圈同时通入交流电时，使工具头产生纵扭振动模态。
有益效果：
1.本装置旨在帮助减少加工过程中由于使用多种不同换能器的加工成本，提高加工效率。
2.本装置在传统单一振动的基础上增加的多种振动形式的超声振动，使得加工方式多样化，便于工艺设计与优化。
3.本装置结构紧凑，体积小，使用便利，有限位、隔热等安全措施，能够安全高效的进行工作。
4.该装置是通过超声电机与工具头上永磁体的设计以及不同功能的振动源内的不同驱动线圈组合而成，从而使得装置能够在不跟换组件的情况下，产生可切换模态的超声波，即纵向振动、扭转振动和纵扭振动三种不同振动模态。
5.装置运行过程中，在不需要再更换部件的情况下激发不同振动模态，满足了不同振动形式的加工需求，同时操作更加方便快捷，而且装置的整体设计结构保证了装置能够高效安全运行。
附图说明
图1为一种可切换振动模态的超声方法及装置整体结构示意图；
图2为一种可切换振动模态的超声方法及装置整体结构半剖图；
图3为空心轴结构示意图；
图4为空心轴底部结构示意图；
图5为中空超声电机示意图；
图6为限位滑槽与滑块配合的结构示意图；
图7为条形弹簧螺纹滑块结构示意图；
图8为振动源结构示意图；
图9为饼状弹簧卡扣正视图；
图10为饼状弹簧卡扣俯视图。
图11为运动头结构示意图；
附图标记：
1-空心轴；2-超声电机；3-限位外壳；4-条形弹簧螺纹滑块；5-隔热环；6-电磁铁；7-运动头；8-振动源；9-工具头；10-饼状电磁铁；11-饼状弹簧卡扣；12-填充物。
1-1外壳；1-2外壳螺纹；1-3夹层；1-4预留槽；1-4-1凹槽；2-1超声电机外壳；2-2超声电 机转子；3-1限位滑槽；4-1螺纹；4-2弹簧；4-3滑块；4-4传动块；7-1永磁体；7-3工具头槽；7-4平面轴承；8-1振动线圈；8-2偏执磁铁；8-3扭转振动线圈；8-4传导填充物；8-5振动源外壳；11-1饼状底座；11-2传动板；11-3卡扣弹簧。
具体实施方式
下面详细描述本发明的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，旨在用于解释本发明，而不能理解为对本发明的限制。
在本发明的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“轴向”、“径向”、“竖直”、“水平”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本发明的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本发明中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
下面首先结合附图具体描述根据本发明实施例
一种可切换振动模态的超声装置，包括空心轴1、超声电机2和限位外壳3；所述超声电机2包括超声电机外壳2-1和超声电机转子2-2；所述空心轴1的外壳1-1与超声电机转子2-2过盈配合，所述限位外壳3焊接在超声电机外壳2-1上，且限位外壳3套装在外壳2-1外侧；所述限位外壳3与外壳2-1之间设置有条形弹簧螺纹滑块4和运动头7；所述条形弹簧螺纹滑块4和运动头7前后相对设置；所述外壳1-1内侧壁上安装有电磁铁6；当电磁铁6通电时，所述条形弹簧螺纹滑块4上的螺纹4-1可与外壳1-1上的外壳螺纹1-2螺纹连接，同时，条形弹簧螺纹滑块4可沿限位外壳3内侧壁轴向滑动，条形弹簧螺纹滑块4可推动运动头7沿外壳1-1外侧壁滑动，运动头7上设置有工具头9，其中，工具头9在本发明实施例中为毫针，毫针使得本发明装置能够运用于针灸治疗。
进一步的，所述空心轴1包括外壳1-1，外壳1-1的外侧壁上开设有外壳螺纹1-2，外壳1-1内侧壁上开设有夹层1-3，夹层1-3内设置有隔热环5；所述空心轴1的端部为实心结构，实心结构上开设有预留槽1-4，预留槽1-4内开设有凹槽1-5。
进一步的，所述运动头7内部设置有振动源8，振动源8上固定有饼状弹簧卡扣11；所述预留槽1-4内设置有饼状电磁铁10；当饼状电磁铁10通电时，在磁力的作用下，饼状弹簧卡扣11与饼状电磁铁10贴合，从而带动振动源8和运动头7旋转，毫针旋转运动。
进一步的，所述运动头7包括永磁体7-1、工具头槽7-3和平面轴承7-4；所述运动头7为圆筒形，圆筒形的一端依次设置平面轴承7-4和永磁体7-1，圆筒形的底部设置有工具头槽7-3，工具头槽7-3内设置有毫针。
进一步的，所述振动源8包括振动线圈8-1、偏执磁铁8-2、扭转振动线圈8-3、传导填充物8-4和振动源外壳8-5；所述振动源外壳8-5内依次设置有振动线圈8-1、偏执磁铁8-2、扭转振动线圈8-3和传导填充物8-4。
进一步的，所述振动源8中心穿过工具头槽7-3。
进一步的，所述饼状弹簧卡扣11包括饼状底座11-1、传动板11-2和卡扣弹簧11-3；所述饼状底座11-1上开设有凹槽，凹槽内设置有卡扣弹簧11-3的一端，卡扣弹簧11-3的另一端设置在传动板11-2上。
进一步的，所述条形弹簧螺纹滑块4包括螺纹4-1、弹簧4-2、滑块4-3和传动块4-4；所述传动块4-4上开设有螺纹4-1，传动块4-4与螺纹4-1垂直方向上开设有槽，槽内安装有弹簧4-2的一端，弹簧4-2的另一端安装有滑块4-3；所述滑块4-3为T型滑块。
进一步的，所述限位外壳3沿轴向方向上开设有T型滑道，T型滑道与所述滑块4-3滑动连接。
可切换振动模态的超声装置的检测方法，包括如下模式：
直线运动形式：当电磁铁6通电时，电磁铁6产生的吸引力将传动块4-4吸引，使得传动块4-4上的螺纹4-1与中空轴1外侧的外壳螺纹1-2螺纹连接，滑块4-3在限位滑槽3-1中作直线运动，同时，在永磁铁7-1的作用下，传动块4-4始终与平面轴承7-4接触，即运动头7与传动块4-4始终保持连接；传动块4-4推拉运动头7在限位外壳3内壁与空心轴1外壁之间做直线运动；改变超声电机2旋转方向可以改变运动头7的直线运动方向，即前进与后退；
旋转运动形式：饼状电磁铁10未通电时，饼状弹簧卡扣11的传动板11-2在弹簧11-3的拉力作用下远离空心轴1的凹槽1-5，饼状电磁铁10通电后产生的吸引力将传动板11-2吸引插入空心轴1底部凹槽1-5内，使得运动头7随着空心轴1做旋转运动；改变超声电机2旋转方向可以改变运动头7的旋转运动方向，即顺势针旋转与逆时针旋转；
超声源振动形式：振动源8内的偏执磁铁8-2磁场方向沿毫针的轴向，当仅有纵向振动线圈8-1通入交流电时，纵向振动线圈8-1产生的交变磁场方向与毫针的轴向平行，与偏执磁铁8-2共同作用，使得工具头毫针产生纵向振动；当仅有扭转振动线圈8-3入交流电时，扭转振动线圈8-3产生的交变磁场方向为工具头毫针的周向，与偏执磁铁8-2共同作用，使得工具头毫针产生扭转振动；当纵向振动线圈8-1，扭转振动线圈8-3同时通入交流电时，使工具头毫针产生纵扭振动模态。毫针在不同振动模态下，能够有效增强针感与神经刺激深度，加强针灸过程中的“得气”感受，装置灵活的运动形式，能够模仿针刺手法，增强疗效得同时使得治疗过程更加安全便捷。
结合附图，一种可切换振动模态的超声装置，包括空心轴1、超声电机2、限位外壳3、条形弹簧螺纹滑块4、隔热环5、电磁铁6、运动头7、振动源8、工具头9、饼状电磁铁10、饼状弹簧卡扣11和填充物12；
所述空心轴1包括外壳1-1、外壳螺纹1-2、夹层1-3和预留槽1-4，通过外壳螺纹1-2与条形弹簧螺纹滑块4配合，将超声电机2的旋转运动转化为直线运动，底部有凹槽1-5，与饼状弹簧卡口11配合，输出旋转运动；
所述超声电机2外壁为超声电机外壳2-1，内壁为超声电机转子2-2；
所述限位外壳3焊接在超声电机外壳2-1的一端，其内部有限位滑槽3-1，滑槽3-1为T字形结构，滑块4-3可以沿滑槽3-1直线运动；
所述条形弹簧螺纹滑块4包括弹簧4-2，滑块4-3，传动块4-4，且传动块4-4有螺纹4-1，与空心轴1外部设置的外壳螺纹1-2配合；
所述隔热环5应由导磁材料制成；
所述电磁铁6在接通电流后产生磁场能够在磁轭的约束下作用于传动块4，且电磁铁6与隔热环5贴合，减少热量传递，在接通电流后产生磁场能够吸引传动块4-4；
所述运动头7两侧有永磁体7-1，并安装有平面轴承7-4，工具头槽7-3，后部凹槽能够安装振动源8，
所述振动源8包括纵向振动线圈8-1、偏执磁铁8-2、扭转振动线圈8-3、传导填充物8-4和振动源外壳8-5；
所述工具头9由磁致伸缩材料制成且沿轴向预磁化；
所述饼状电磁铁10，其中心部位有凹槽；
所述饼状弹簧卡扣11包括饼状底座11-1、传动板11-2和卡扣弹簧11-3；
所述填充物12能够将空心轴1空心部分充分填满，防止内部部件移位。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、 或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
尽管上面已经示出和描述了本发明的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本发明的限制，本领域的普通技术人员在不脱离本发明的原理和宗旨的情况下在本发明的范围内可以对上述实施例进行变化、修改、替换和变型。

Claims (10)

  1. 一种可切换振动模态的超声装置，其特征在于，包括空心轴(1)、超声电机(2)和限位外壳(3)；所述超声电机(2)包括超声电机外壳(2-1)和超声电机转子(2-2)；所述空心轴(1)的外壳(1-1)与超声电机转子(2-2)过盈配合，所述限位外壳(3)焊接在超声电机外壳(2-1)上，且限位外壳(3)套装在外壳(2-1)外侧；所述限位外壳(3)与外壳(2-1)之间设置有条形弹簧螺纹滑块(4)和运动头(7)；所述条形弹簧螺纹滑块(4)和运动头(7)前后相对设置；所述外壳(1-1)内侧壁上安装有电磁铁(6)；当电磁铁(6)通电时，所述条形弹簧螺纹滑块(4)上的螺纹(4-1)可与外壳(1-1)上的外壳螺纹(1-2)螺纹连接，同时，条形弹簧螺纹滑块(4)可沿限位外壳(3)内侧壁轴向滑动，条形弹簧螺纹滑块(4)可推动运动头(7)沿外壳(1-1)外侧壁滑动，运动头(7)上设置有工具头(9)。
  2. 根据权利要求1所述的可切换振动模态的超声装置，其特征在于，所述空心轴(1)包括外壳(1-1)，外壳(1-1)的外侧壁上开设有外壳螺纹(1-2)，外壳(1-1)内侧壁上开设有夹层(1-3)，夹层(1-3)内设置有隔热环(5)；所述空心轴(1)的端部为实心结构，实心结构上开设有预留槽(1-4)，预留槽(1-4)内开设有凹槽(1-5)。
  3. 根据权利要求2所述的可切换振动模态的超声装置，其特征在于，所述运动头(7)内部设置有振动源(8)，振动源(8)上固定有饼状弹簧卡扣(11)；所述预留槽(1-4)内设置有饼状电磁铁(10)；当饼状电磁铁(10)通电时，在磁力的作用下，饼状弹簧卡扣(11)与饼状电磁铁(10)贴合，从而带动振动源(8)和运动头(7)旋转，工具头(9)旋转运动。
  4. 根据权利要求1所述的可切换振动模态的超声装置，其特征在于，所述运动头(7)包括永磁体(7-1)、工具头槽(7-3)和平面轴承(7-4)；所述运动头(7)为圆筒形，圆筒形的一端依次设置平面轴承(7-4)和永磁体(7-1)，圆筒形的底部设置有工具头槽(7-3)，工具头槽(7-3)内设置有工具头(9)。
  5. 根据权利要求1所述的可切换振动模态的超声装置，其特征在于，所述振动源(8)包括振动线圈(8-1)、偏执磁铁(8-2)、扭转振动线圈(8-3)、传导填充物(8-4)和振动源外壳(8-5)；所述振动源外壳(8-5)内依次设置有振动线圈(8-1)、偏执磁铁(8-2)、扭转振动线圈(8-3)和传导填充物(8-4)。
  6. 根据权利要求4所述的可切换振动模态的超声装置，其特征在于，所述振动源(8)中心穿过工具头槽(7-3)。
  7. 根据权利要求3所述的可切换振动模态的超声装置，其特征在于，所述饼状弹簧卡扣(11)包括饼状底座(11-1)、传动板(11-2)和卡扣弹簧(11-3)；所述饼状底座(11-1)上开设有凹槽，凹槽内设置有卡扣弹簧(11-3)的一端，卡扣弹簧(11-3)的另一端设置在传动板(11-2)上。
  8. 根据权利要求1所述的可切换振动模态的超声装置，其特征在于，所述条形弹簧螺纹滑块(4)包括螺纹(4-1)、弹簧(4-2)、滑块(4-3)和传动块(4-4)；所述传动块(4-4)上开设有螺纹(4-1)，传动块(4-4)与螺纹(4-1)垂直方向上开设有槽，槽内安装有弹簧(4-2)的一端，弹簧(4-2)的另一端安装有滑块(4-3)；所述滑块(4-3)为T型滑块。
  9. 根据权利要求8所述的可切换振动模态的超声装置，其特征在于，所述限位外壳(3)沿轴向方向上开设有T型滑道，T型滑道与所述滑块(4-3)滑动连接。
  10. 根据权利要求1至9任一项所述的可切换振动模态的超声装置的检测方法，其特征在于，包括如下模式：
    直线运动形式：当电磁铁(6)通电时，电磁铁(6)产生的吸引力将传动块(4-4)吸引，使得传动块(4-4)上的螺纹(4-1)与中空轴(1)外侧的外壳螺纹(1-2)螺纹连接，滑块(4-3)在限位滑槽(3-1)中作直线运动，同时，在永磁铁(7-1)的作用下，传动块(4-4)始终与平面轴承(7-4)接触，即运动头(9)与传动块(4-4)始终保持连接；传动块(4-4)推拉运动头(7)在限位外壳(3)内壁与空心轴(1)外壁之间做直线运动；改变超声电机(2)旋转方向可以改变运动头(7)的直线运动方向，即前进与后退；
    旋转运动形式：饼状电磁铁(10)未通电时，饼状弹簧卡扣(11)的传动板(11-2)在弹簧(11-3)的拉力作用下远离空心轴(1)的凹槽(1-5)，饼状电磁铁(10)通电后产生的吸引力将传动板(11-2)吸引插入空心轴(1)底部凹槽(1-5)内，使得运动头(7)随着空心轴(1)做旋转运动；改变超声电机(2)旋转方向可以改变运动头(7)的旋转运动方向，即顺势针旋转与逆时针旋转；
    超声源振动形式：振动源(8)内的偏执磁铁(8-2)磁场方向沿工具头(9)的轴向，当仅有纵向振动线圈(8-1)通入交流电时，纵向振动线圈(8-1)产生的交变磁场方向与工具头(9)的轴向平行，与偏执磁铁(8-2)共同作用，使得工具头(9)产生纵向振动；当仅有扭转振动线圈(8-3)入交流电时，扭转振动线圈(8-3)产生的交变磁场方向为工具头(9)的周向，与偏执磁铁(8-2)共同作用，使得工具头(9)产生扭转振动；当纵向振动线圈(8-1)，扭转振动线圈(8-3)同时通入交流电时，使工具头(9)产生纵扭振动模态。
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