CN-224221873-U - Ultrasonic amplitude transformer, ultrasonic transducer and ultrasonic cutter

CN224221873UCN 224221873 UCN224221873 UCN 224221873UCN-224221873-U

Abstract

The utility model discloses an ultrasonic amplitude transformer, an ultrasonic transducer and an ultrasonic cutter, wherein a first amplitude transformer body and a second amplitude transformer body are coaxially arranged, the projection of the second amplitude transformer body along the central axis is positioned in the first amplitude transformer body, one end of the second amplitude transformer body, which is far away from the first amplitude transformer body, is provided with a containing cavity, a positioning rod body is arranged on one end of the first amplitude transformer body, which is far away from the second amplitude transformer body, is coaxially arranged with the first amplitude transformer body, a flange structure is arranged on the side wall of the first amplitude transformer body, a gap is formed between the flange structure and the side wall of the second amplitude transformer body, and an adjusting block extends into the gap and is at least partially connected with one end, which is close to the second amplitude transformer body, of the first amplitude transformer body and is abutted against the side wall of the part of the second amplitude transformer body. The adjusting block can act on the second amplitude transformer body to enable the second amplitude transformer body to realize polarization, and the bending vibration effect is realized through the combined action of longitudinal vibration and polarization, so that the action of a cutter is facilitated.

Inventors

YIN ZHEN
LI HONG

Assignees

苏州尚匠超声设备有限公司

Dates

Publication Date: 20260512
Application Date: 20250328

Claims (6)

1. An ultrasonic horn, comprising: The first amplitude transformer body and the second amplitude transformer body are connected and coaxially arranged, the projection of the second amplitude transformer body along the central axis thereof is positioned in the first amplitude transformer body, one end of the second amplitude transformer body far away from the first amplitude transformer body is provided with a containing cavity, The positioning rod body is arranged at one end of the first amplitude changing rod body far away from the second amplitude changing rod body and is coaxially arranged with the first amplitude changing rod body, A flange structure which is arranged on the side wall of the first amplitude changing rod body and is provided with a gap with the side wall of the second amplitude changing rod body, The adjusting block extends into the gap, is at least partially connected to one end of the first amplitude changing rod body, which is close to the second amplitude changing rod body, and is abutted against the side wall of the part of the second amplitude changing rod body; The first amplitude transformer body or the flange is structurally and symmetrically provided with mounting holes penetrating through the body in the axial direction, the adjusting block is provided with locking holes and is in locking connection through bolts penetrating through one mounting hole and extending into the locking holes, the adjusting block is of a symmetrical structure, the vertical distance between the side wall of the adjusting block and the second amplitude transformer body is gradually reduced from top to bottom, the projection of the abutting surface of the adjusting block and the second amplitude transformer body along the central axis of the second amplitude transformer body is smaller than a semicircle arc and larger than a fifth arc, the lower end face of the adjusting block is level, and the lower end of the adjusting block is higher than the lower end of the second amplitude transformer body.
2. The ultrasonic horn of claim 1 wherein the mounting holes are counter bore structures.
3. The ultrasonic transducer is characterized by comprising piezoelectric ceramics and the ultrasonic amplitude transformer according to any one of claims 1 to 2, wherein the piezoelectric ceramics is sleeved on the positioning rod body and is abutted against one end, far away from the second amplitude transformer, of the first amplitude transformer.
4. The ultrasonic cutter is characterized by comprising a cutter handle, a cutter and the ultrasonic transducer of claim 3, wherein one end of the ultrasonic transducer extends into the inner cavity of the cutter handle, the flange structure is connected with the cutter handle, and the cutter is arranged in the accommodating cavity.
5. The ultrasonic cutting tool according to claim 4, wherein a positioning groove is formed in an inner wall of the tool shank, which is close to the opening of the inner cavity, and the flange structure is fixedly connected in the positioning groove.
6. The ultrasonic tool according to claim 4 or 5, wherein an annular groove is formed between the flange structure and the shank, and a sealing ring is arranged in the annular groove.

Description

Ultrasonic amplitude transformer, ultrasonic transducer and ultrasonic cutter Technical Field The utility model relates to the technical field of ultrasonic cutter devices, in particular to an ultrasonic amplitude transformer, an ultrasonic transducer and an ultrasonic cutter. Background The ultrasonic amplitude transformer is an important component of an ultrasonic vibration system and mainly used for transmitting ultrasonic vibration and changing the amplitude of the ultrasonic vibration. The conventional ultrasonic longitudinal vibration excitation device mostly works in a longitudinal vibration mode, is inconvenient to directly connect with a driving bending vibration tool, and is difficult to realize bending vibration. In the prior art, like a compound rotatory ultrasonic vibration dysmorphism amplitude transformer of indulging of application number 202411929647.2, it discloses that dynamic balance divides vibrating portion to include curved oscillator structure and the indulge oscillator structure that the cross-sectional area is different, and the mass of curved oscillator structure and indulge oscillator structure equals, and the center of mass of curved oscillator structure and indulge oscillator structure sets up with the axis symmetry of amplitude transformer rotation axis, but its structural design is relatively complicated, and the degree of bending vibration is single. Disclosure of utility model The utility model aims to provide an ultrasonic amplitude transformer, an ultrasonic transducer and an ultrasonic cutter, wherein the top end of an adjusting block of the ultrasonic amplitude transformer is at least partially abutted against a first amplitude transformer body, the side wall of the adjusting block is abutted against a second amplitude transformer body, vibration can be acted on the second amplitude transformer body to enable the second amplitude transformer body to realize polarization, a bending vibration effect is realized through the combined action of longitudinal vibration and polarization, and the cutter action is facilitated. In order to achieve the purpose, the utility model adopts the technical scheme that the ultrasonic amplitude transformer comprises: The first amplitude transformer body and the second amplitude transformer body are connected and coaxially arranged, the projection of the second amplitude transformer body along the central axis thereof is positioned in the first amplitude transformer body, one end of the second amplitude transformer body far away from the first amplitude transformer body is provided with a containing cavity, The positioning rod body is arranged at one end of the first amplitude changing rod body far away from the second amplitude changing rod body and is coaxially arranged with the first amplitude changing rod body, A flange structure which is arranged on the side wall of the first amplitude changing rod body and is provided with a gap with the side wall of the second amplitude changing rod body, The adjusting block extends into the gap, is at least partially connected to one end, close to the second amplitude changing rod body, of the first amplitude changing rod body, and is abutted to the side wall of the part of the second amplitude changing rod body. As further optimization, the first amplitude varying rod body, the second amplitude varying rod body, the positioning rod body and the adjusting block are of an integrated structure. As further optimization, the first amplitude transformer body or the flange is symmetrically provided with mounting holes which axially penetrate through the body, the adjusting block is provided with locking holes, and the adjusting block is in locking connection through bolts which penetrate through one mounting hole and extend into the locking holes. As further optimization, the mounting hole is of a counter bore structure, so that the upper end of the bolt does not protrude out of the end face of the first amplitude transformer body, and the assembly of the piezoelectric ceramic is facilitated. As further optimization, the adjusting block is of a symmetrical structure, the vertical distance between the side wall of the adjusting block and the second amplitude-variable rod body from top to bottom is gradually reduced, and the projection of the abutting surface of the adjusting block and the second amplitude-variable rod body along the central axis of the second amplitude-variable rod body is smaller than a semicircle and larger than a fifth of a circular arc. As further optimization, the lower end face of the adjusting block is flush, and the lower end of the adjusting block is higher than the lower end of the second amplitude transformer body. The utility model also provides an ultrasonic transducer which comprises piezoelectric ceramics and the ultrasonic amplitude transformer, wherein the piezoelectric ceramics are sleeved on the positioning rod body and are abutted with one end, far away from the second a