CN114798399A - Ultrasonic transducer fixing device - Google Patents
Ultrasonic transducer fixing device Download PDFInfo
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- CN114798399A CN114798399A CN202210244434.0A CN202210244434A CN114798399A CN 114798399 A CN114798399 A CN 114798399A CN 202210244434 A CN202210244434 A CN 202210244434A CN 114798399 A CN114798399 A CN 114798399A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 38
- 239000000919 ceramic Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 5
- WSNMPAVSZJSIMT-UHFFFAOYSA-N COc1c(C)c2COC(=O)c2c(O)c1CC(O)C1(C)CCC(=O)O1 Chemical compound COc1c(C)c2COC(=O)c2c(O)c1CC(O)C1(C)CCC(=O)O1 WSNMPAVSZJSIMT-UHFFFAOYSA-N 0.000 claims description 3
- 238000002604 ultrasonography Methods 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 14
- 230000003068 static effect Effects 0.000 abstract description 8
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 229910000906 Bronze Inorganic materials 0.000 description 2
- 229910052790 beryllium Inorganic materials 0.000 description 2
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 2
- 239000010974 bronze Substances 0.000 description 2
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
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- 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
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention relates to an ultrasonic transducer fixing device, which comprises a fixing structure (2) and a positioning structure (3); the fixing structure (2) comprises a fixing device A (2.1) and a fixing device B (2.2), the fixing device A (2.1) is used for installing the ultrasonic transducer (1), and the fixing device A (2.1) is installed in the fixing device B (2.2); the positioning structure is connected with the fixing device B (2.2) and ensures that the whole device and the machine tool are relatively static. The ultrasonic transducer fixing device can keep the transducer static relative to a machine tool under the condition of rotary ultrasonic machining, the two ultrasonic transducers are placed by using a special fixing structure to realize ultrasonic elliptical vibration at a cutter, and a carbon brush structure or a non-contact electric energy transmission structure is removed, so that the structure of the traditional ultrasonic machining device is greatly simplified, the transmission loss of ultrasonic electric signals is reduced, and the service life of the device is prolonged.
Description
Technical Field
The invention belongs to the technical field of rotary ultrasonic processing, relates to an ultrasonic transducer fixing device, and particularly relates to an ultrasonic transducer fixing device which can realize ultrasonic elliptical vibration on a plane vertical to a transmission shaft and can prevent an ultrasonic transducer from rotating along with the transmission shaft.
Background
In recent years, ultrasonic machining technology has become more mature, because it can effectively reduce cutting force and improve surface machining quality, and has been widely used under various machining conditions, especially two-dimensional ultrasonic elliptical vibration cutting, and has good performance in the aspects of improving tool wear, suppressing chatter vibration generated during machining, improving machining quality, and the like.
The rotary ultrasonic machining is a machining mode in which ultrasonic vibration is applied in a fixed direction by a specific transducer when a tool rotates at a high speed along with a spindle, and is an effective machining method for machining advanced and difficult-to-machine materials. In conventional rotary ultrasonic machining, a tool is always vibrated longitudinally in one dimension along its axis, and in recent studies, machining methods of vibrating in a radial direction, even in an elliptical manner, have been gradually developed.
In the traditional structural design, the rotating ultrasonic processing has more transmission shafts rotating at high speed compared with the common ultrasonic processing, so that an energy converter generating ultrasonic waves has to rotate along with the transmission shafts, and a wire is obviously wound due to rotation by using a common design thought, so that the problem of electric energy transmission is generally solved by adopting a carbon brush, an induction electric energy transmission mode and the like, but a series of new problems of service life, transmission efficiency, complex design and the like are brought at the same time.
Therefore, it is very important to structurally design a fixing device which can make the ultrasonic transducer stationary relative to the machine tool while rotating ultrasonic machining.
Disclosure of Invention
The present invention is directed to solving the above problems in the prior art and to providing an ultrasonic transducer fixing device.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the fixing structure comprises a fixing device A and a fixing device B, wherein the fixing device A is used for installing the ultrasonic transducer and is arranged in the fixing device B;
the fixing device A is composed of a hollow cylinder y1 and a cylinder y2, the axial direction of the hollow cylinder y1 is perpendicular to the axial direction of the cylinder y2, one end face of the cylinder y2 is connected with the side face of the hollow cylinder y1 through a conical block, the size of the hollow cylinder y1 is enough to mount a transmission shaft, meanwhile, a space for mounting a bearing is required to be reserved, the lowest end of the cylinder y2 needs to be processed into a shape with an upper part being thick and a lower part being thin, the effect of increasing amplitude is achieved, and a threaded hole for mounting an ultrasonic transducer is processed on the other end face of the cylinder y 2;
the fixing device B is composed of a large hollow cylinder y3 and a small hollow cylinder y4, the axial direction of the hollow cylinder y3 is perpendicular to the axial direction of the hollow cylinder y4, one end face of the hollow cylinder y4 is connected with the side face of the hollow cylinder y3, and the inner diameter of the hollow cylinder y4 is equal to the diameter of the cylinder y 2; the cross-sectional size of the hollow cylinder y3 is the same as that of the hollow cylinder y1 (i.e., the inner diameter of the hollow cylinder y3 is the same as that of the hollow cylinder y1, and the outer diameter is the same); the hollow cylinder y3 is cut in the middle thereof and is divided into a hollow cylinder y31 and a hollow cylinder y32 which are identical in shape, a gap is provided between the hollow cylinder y31 and the hollow cylinder y32, and the width of the gap is equal to the height of the hollow cylinder y1, so that the hollow cylinder y4 in the fixing device a is installed in the gap; the hollow cylinder y31 and the hollow cylinder y32 are connected through the hollow cylinder y4 to form a complete fixing device B; a flange mounting plate is arranged on at least one end face of the hollow cylinder y3 and used for mounting a positioning structure;
for easy field installation, the fixing device B is divided into two same parts along the symmetry axis;
more than one bearing is installed in the hollow cylinder y1, the diameter of the inner ring of the bearing is equal to that of the transmission shaft, and the outer ring of the bearing is tightly attached to the hollow cylinder y 1.
As a preferred technical scheme:
an ultrasonic transducer fixing device comprises a fixing structure and a positioning structure;
in the ultrasonic transducer fixing device described above, the hollow cylinder y31 and the hollow cylinder y32 are connected by welding through the hollow cylinder y4, thereby forming the fixing device B.
An ultrasonic transducer fixing device as described above, the number of bearings is 3; the hollow cylinder y1 is also provided with two shaft sleeves t1 and two shaft sleeves t2, and the shaft sleeves and the bearings are sequentially provided with a shaft sleeve t1, a bearing c1, a shaft sleeve t2, a bearing c2, a shaft sleeve t2, a bearing c3 and a shaft sleeve t1 from left to right; because the ultrasonic vibration is transmitted to the transmission shaft from the energy converter through the bearing, the bearing right below plays a main transmission role, and the transmission precision can be improved by arranging three bearings; the bearings and the shaft sleeves are symmetrically arranged as much as possible, and the symmetrical arrangement is to ensure that the whole device is stressed uniformly and the service life is prolonged; the size and the material of the bearing c1, the bearing c2 and the bearing c3 are the same; in order to ensure a sealed environment, a rubber O-shaped ring is arranged between the shaft sleeve t1 and the transmission shaft.
An ultrasonic transducer fixing device as described above, the ultrasonic transducer includes a bearing bolt, a front cover plate, a piezoelectric ceramic group and an insulating sleeve, the bearing bolt passes through the front cover plate and the piezoelectric ceramic group from top to bottom in turn and is connected with a threaded hole on a cylinder y2 in the fixing device a (the part of the bearing bolt extending from the transducer should generally correspond to the distance from 1/3 to 1/2 of a cylinder y2, the depth of the threaded hole should be in accordance with the length of the bearing bolt extending from the transducer), and the insulating sleeve is sleeved on the bearing bolt to separate the bearing bolt from the piezoelectric ceramic group.
According to the fixing device for the ultrasonic transducer, the piezoelectric ceramic group is formed by alternately placing the electrode plates and the piezoelectric ceramics.
In the fixing device for the ultrasonic transducer, the number of the electrode pieces is 5, and the number of the piezoelectric ceramics is 4.
In the fixing device for the ultrasonic transducer, the number of the fixing structures and the number of the positioning structures are both 2. The number of structures, such as three sets of ultrasonic transducers, three sets of fixed structures, and four sets of positioning structures, may be increased or decreased as appropriate depending on the requirements.
An ultrasonic transducer fixing device as described above, each set of positioning structures comprises a positioning device a and a positioning device b; the positioning device a is a half flange mounting plate f31, and the positioning device b is composed of a half flange mounting plate f32, a cylinder y5 and a flange mounting plate f4 which are connected in sequence; one end of the cylinder y5 connected with the half flange mounting plate f32 is chamfered so as to facilitate the installation of bolts of the flange structure; the half flange mounting plate f31 and the half flange mounting plate f32 are combined into a flange mounting plate f 3;
a flange mounting plate f1 and a flange mounting plate f2 are respectively arranged on two end faces of the hollow cylinder y 3; the flange mounting plates f1 of the fixing devices B in the two groups of fixing structures are connected by bolt structures to form a flange structure I;
and the flange mounting plates f2 of the fixing devices B in the two groups of fixing structures are respectively connected with the flange mounting plates f3 in the two groups of positioning structures by bolt structures to form a flange structure II.
According to the fixing device for the ultrasonic transducer, when the two groups of positioning structures are installed, an angle (which is an angle formed between axial directions of the cylinders y5 in the two positioning structures) of 90-180 degrees is formed, and the specific angle is adjusted according to installation conditions, and is preferably 90 degrees or 120 degrees.
When the ultrasonic transducer fixing device is installed between two groups of ultrasonic transducers on two fixing devices B, the angle is 90-180 degrees, preferably 90 degrees or 120 degrees, so that ultrasonic elliptical vibration is formed on a plane of a cutter tip perpendicular to a transmission shaft.
In the invention, the fixing structure and the positioning structure are made of No. 45 steel, the ultrasonic transducer is made of conventional materials, namely, a force bearing bolt is made of bolt steel, a front cover plate is made of YL12, piezoelectric ceramic is made of PZT8, and an electrode plate is made of beryllium bronze.
The principle of the invention is as follows:
according to the fixing device of the ultrasonic transducer, the fixing device A is arranged in the fixing device B to form a fixing structure, and the fixing structure is connected with a transmission shaft by virtue of a bearing in the fixing structure; the fixed structure both sides are provided with the flange mounting board, rely on flange structure to link to each other with location structure, and lathe or ground are connected to location structure one end, and fixed structure is connected to one end, guarantees that fixed structure, location structure and lathe are static relatively through the flange structure of both sides. Because of the characteristic of motion separation of the bearing inner ring and the bearing outer ring, the bearing inner ring rotates along with the transmission shaft, and the outer ring, the fixed structure and the ultrasonic transducer are kept in a static state relative to the machine tool, so that the problem that the rotating structure transmits electric signals is not considered. Ultrasonic vibration generated by the ultrasonic transducer is transmitted to the transmission shaft after sequentially passing through the fixing device A and the bearing, and ultrasonic vibration is realized at the tool nose by means of vibration of the transmission shaft. When the quantity of the fixed structure and the positioning structure is two, the two fixed structures are connected through the flange structure, the angle formed between the two transducers is changed by adjusting the mounting mode of the flange structure, the two transducers jointly generate ultrasonic elliptical vibration, the ultrasonic elliptical vibration is transmitted to the transmission shaft through the bearing, and finally the ultrasonic elliptical vibration is formed at the tool tip. Because the two groups of ultrasonic transducers are perpendicular to the transmission shaft and keep a certain included angle, the ultrasonic elliptical vibration track generated by the tool nose is always generated on a plane perpendicular to the transmission shaft, and the ultrasonic elliptical vibration track has obvious improvement effect on the processing efficiency of milling, sawing and the like of rotary processing.
Has the advantages that:
(1) the invention provides an ultrasonic transducer fixing device which can realize ultrasonic elliptical vibration perpendicular to the plane of a transmission shaft and has great improvement effect on the processing efficiency of rotary processing such as milling or sawing;
(2) by means of the newly designed fixing structure and positioning structure, the ultrasonic transducer used by the invention can keep a static state relative to a machine tool, and devices suitable for rotating and transmitting electric signals, such as a conductive sliding ring and the like, do not need to be installed, so that the integral structure can be greatly simplified, and the service life is prolonged;
(3) the fixing structure and the positioning structure can be regarded as standard modules, and the number of the modules can be increased or decreased according to actual requirements to enhance the ultrasonic vibration degree or change the type of the ultrasonic vibration track.
Drawings
FIG. 1 is a schematic view of the overall structure of the fixing device of the present invention;
FIG. 2 is an exploded schematic view of an ultrasonic transducer;
FIG. 3 is a schematic structural view of a fixing structure;
FIG. 4 is a schematic structural view of a fixing device A and a fixing device B;
FIG. 5 is an exploded view of a fixed structure;
FIG. 6 is a schematic structural view of a positioning structure;
wherein, 1-ultrasonic transducer, 2-fixing structure, 2.1-fixing device A, 2.1.1-hollow cylinder y1, 2.1.2-cylinder y2, 2.2-fixing device B, 2.2.1-hollow cylinder y3, 2.2.1.1-hollow cylinder y31, 2.2.1.2-hollow cylinder y32, 2.2.2-hollow cylinder y4, 2.2.3-flange mounting plate f1, 2.2.4-flange mounting plate f2, 3-positioning structure, 3.1-positioning device a, 3.1.1-flange mounting plate f31, 3.2-positioning device B, 3.2.1-flange mounting plate f32, 3.2.2-cylinder y5, 3.2.3-flange mounting plate f4, 4-bearing bolt, 5-front cover plate, 6-piezoelectric ceramic shaft sleeve, 7-piezoelectric ceramic, 8-insulating sleeve, 9-t insulating sleeve 2, 9-t 2, 10-73742, 11-bearing c1, 12-bearing c2, 13-bearing c 3.
Detailed Description
The invention will be further illustrated with reference to specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
As shown in fig. 1, an ultrasound transducer fixing device includes two sets of fixing structures 2 and two sets of positioning structures 3;
the whole fixed structure 2 is made of No. 45 steel, as shown in figures 2-5, each group of fixed structures 2 comprises a fixed device A2.1 and a fixed device B2.2, and the fixed devices A2.1 are arranged in the fixed devices B2.2 in a clearance fit manner; the fixing device A2.1 is composed of a hollow cylinder y12.1.1 and a cylinder y22.1.2, the axial direction of the hollow cylinder y12.1.1 is perpendicular to the axial direction of the cylinder y22.1.2, one end surface of the cylinder y22.1.2 is connected with the side surface of the hollow cylinder y12.1.1 through a conical block, and the other end surface of the cylinder y22.1.2 is provided with a threaded hole for installing the ultrasonic transducer 1; the ultrasonic transducer 1 comprises a bearing bolt 4 (made of bolt steel), a front cover plate 5 (made of YL 12), a piezoelectric ceramic group and an insulating sleeve 8 (made of resin), wherein the piezoelectric ceramic group is formed by alternately placing 5 electrode plates 6 (made of beryllium bronze) and 4 piezoelectric ceramics 7 (made of PZT 8); the two groups of ultrasonic transducers 1 arranged on the two fixing devices A2.1 form an angle of 90-180 degrees when being arranged (in order to realize ultrasonic elliptical vibration on a plane vertical to the transmission shaft, the two groups of ultrasonic transducers 1 preferably form an angle of 120 degrees); 3 bearings (bearing steel) with the same size and material are arranged in the hollow cylinder y12.1.1, the diameter of the inner ring of each bearing is equal to that of the transmission shaft, and the outer ring of each bearing is tightly attached to the hollow cylinder y12.1.1; the hollow cylinder y12.1.1 is also provided with two shaft sleeves t 19 and two shaft sleeves t 210, and the shaft sleeves and the bearings are sequentially arranged from left to right as shaft sleeve t 19, bearing c 111, shaft sleeve t 210, bearing c 212, shaft sleeve t 210, bearing c 313 and shaft sleeve t 19; a rubber O-shaped ring is arranged between the shaft sleeve t 19 and the transmission shaft; in order to facilitate field installation, the fixing device B is divided into two identical parts along the symmetry axis, the fixing device B2.2 is integrally composed of a hollow cylinder y32.2.1 and a hollow cylinder y42.2.2, the axial direction of the hollow cylinder y32.2.1 is perpendicular to the axial direction of the hollow cylinder y42.2.2, one end surface of the hollow cylinder y42.2.2 is connected with the side surface of the hollow cylinder y32.2.1, and the inner diameter of the hollow cylinder y42.2.2 is equal to the diameter of the cylinder y22.1.2; the cross-sectional size of the hollow cylinder y32.2.1 is the same as that of the hollow cylinder y12.1.1; the hollow cylinder y32.2.1 is cut off in the middle, and is divided into a hollow cylinder y312.2.1.1 and a hollow cylinder y322.2.1.2, a gap is formed between the hollow cylinder y312.2.1.1 and the hollow cylinder y322.2.1.2, and the width of the gap is equal to the height of the hollow cylinder y12.1.1; the hollow cylinder y312.2.1.1 and the hollow cylinder y322.2.1.2 are connected by welding through the hollow cylinder y42.2.2; a flange mounting plate f12.2.3 and a flange mounting plate f22.2.4 are respectively arranged on two end faces of the hollow cylinder y32.2.1; the flange mounting plates f12.2.3 in the two groups of fixed structures 2 are connected by a bolt structure to form a flange structure I;
the positioning structures 3 are integrally made of No. 45 steel, and as shown in FIG. 6, each group of positioning structures 3 comprises a positioning device a 3.1 and a positioning device b 3.2; the positioning device a 3.1 is a half flange mounting plate f313.1.1, and the positioning device b 3.2 is composed of a half flange mounting plate f323.2.1, a cylinder y53.2.2 and a flange mounting plate f43.2.3 which are connected in sequence; chamfering one end of the cylinder y53.2.2 connected with the half flange mounting plate f323.2.1; the half flange mounting plate f313.1.1 and the half flange mounting plate f323.2.1 are combined into a flange mounting plate f 3; the flange mounting plates f 22.2.4 in the two groups of fixed structures 2 are respectively connected with the flange mounting plates f3 in the two groups of positioning structures 3 by bolt structures to form a flange structure II; when the two groups of positioning structures 3 are installed, an angle of 90-180 degrees is formed (preferably, an angle of 120 degrees is formed).
During practical use, the fixing device A penetrates through the transmission shaft, the fixing device B is installed from two sides of the transmission shaft in a fitting mode, the cylinder y2 of the fixing device A is installed in the hollow cylinder y4, flange installation plates are arranged on two end faces of the fixing device B, a fixing structure consisting of the fixing device A and the fixing device B is connected with the transmission shaft through a bearing, and the fixing structure is connected with the positioning structure through a flange structure. The positioning structure consists of a positioning device a and a positioning device b, flange mounting plates are respectively arranged at the head part and the tail part, one end of each flange mounting plate is connected with the fixed structure, and the other end of each flange mounting plate is connected with static structures such as a machine tool or the ground, so that the static structures, the positioning structures, the fixed structures and the ultrasonic transducers are kept in the same static state. In the bearing connection part of the fixing device and the transmission shaft, due to the motion separation characteristic of the bearing inner ring and the bearing outer ring, the bearing inner ring still rotates along with the transmission shaft, and the bearing outer ring keeps still along with the fixing structure, so that the movable connection of the fixing device and the transmission shaft is realized. Ultrasonic vibration generated by the ultrasonic transducer is transmitted to the transmission shaft after sequentially passing through the fixing device A and the bearing, and the ultrasonic vibration is realized at the tool nose by means of the vibration of the transmission shaft. When the quantity of fixed knot constructs and location structure is two, connect through flange structure between two fixed knot constructs to the angle that forms between two transducers is changed to the mounting means who relies on adjustment flange structure, produces the ultrasonic elliptical vibration jointly by two transducers, transmits the transmission shaft through the bearing on, forms the ultrasonic elliptical vibration at knife tip department at last, and can change the motion trail of ultrasonic elliptical vibration according to the angle change when installing.
Claims (10)
1. An ultrasonic transducer fixing device characterized in that: comprises a fixed structure (2) and a positioning structure (3);
the fixing structure (2) comprises a fixing device A (2.1) and a fixing device B (2.2), the fixing device A (2.1) is used for installing the ultrasonic transducer (1), and the fixing device A (2.1) is installed in the fixing device B (2.2);
the fixing device A (2.1) is composed of a hollow cylinder y1(2.1.1) and a cylinder y2(2.1.2), the axial direction of the hollow cylinder y1(2.1.1) is perpendicular to the axial direction of the cylinder y2(2.1.2), one end face of the cylinder y2(2.1.2) is connected with the side face of the hollow cylinder y1(2.1.1) through a conical block, and the other end face of the cylinder y2(2.1.2) is provided with a threaded hole for installing the ultrasonic transducer (1);
the fixing device B (2.2) is composed of a hollow cylinder y3(2.2.1) and a hollow cylinder y4(2.2.2), the axial direction of the hollow cylinder y3(2.2.1) is perpendicular to the axial direction of the hollow cylinder y4(2.2.2), one end face of the hollow cylinder y4(2.2.2) is connected with the side face of the hollow cylinder y3(2.2.1), and the inner diameter of the hollow cylinder y4(2.2.2) is equal to the diameter of the cylinder y2 (2.1.2); the cross section of the hollow cylinder y3(2.2.1) is the same as that of the hollow cylinder y1 (2.1.1); the hollow cylinder y3(2.2.1) is cut off in the middle, and is divided into a hollow cylinder y31(2.2.1.1) and a hollow cylinder y32(2.2.1.2), a gap is arranged between the hollow cylinder y31(2.2.1.1) and the hollow cylinder y32(2.2.1.2), and the width of the gap is equal to the height of the hollow cylinder y1 (2.1.1); hollow cylinder y31(2.2.1.1) and hollow cylinder y32(2.2.1.2) are connected by hollow cylinder y4 (2.2.2); a flange mounting plate is arranged on at least one end face of the hollow cylinder y3(2.2.1), and is used for mounting the positioning structure (3);
more than one bearing is arranged in the hollow cylinder y1(2.1.1), the diameter of the inner ring of the bearing is equal to that of the transmission shaft, and the outer ring of the bearing is tightly attached to the hollow cylinder y1 (2.1.1).
2. The ultrasonic transducer fixing device according to claim 1, wherein the hollow cylinder y31(2.2.1.1) and the hollow cylinder y32(2.2.1.2) are welded together through the hollow cylinder y4(2.2.2) to form the fixing device B (2.2).
3. The ultrasonic transducer fixing device according to claim 1, wherein the number of bearings is 3; two shaft sleeves t1(9) and two shaft sleeves t2(10) are further installed in the hollow cylinder y1(2.1.1), and the shaft sleeves and the bearings are sequentially installed from left to right as a shaft sleeve t1(9), a bearing c1(11), a shaft sleeve t2(10), a bearing c2(12), a shaft sleeve t2(10), a bearing c3(13) and a shaft sleeve t1 (9); the size and the material of the bearing c1(11), the bearing c2(12) and the bearing c3(13) are the same; a rubber O-shaped ring is arranged between the shaft sleeve t1 and the transmission shaft.
4. The fixing device of the ultrasonic transducer according to claim 3, wherein the ultrasonic transducer (1) comprises a bearing bolt (4), a front cover plate (5), a piezoelectric ceramic group and an insulating sleeve (8), the bearing bolt (4) sequentially penetrates through the front cover plate (5) and the piezoelectric ceramic group from top to bottom and is connected with a threaded hole on a cylinder y2(2.1.2) in the fixing device A (2.1), and the insulating sleeve (8) is sleeved on the bearing bolt (4) to separate the bearing bolt (4) from the piezoelectric ceramic group.
5. An ultrasonic transducer holding device according to claim 4, wherein the piezoelectric ceramic group is formed by alternately placing electrode sheets (6) and piezoelectric ceramics (7).
6. An ultrasonic transducer fixing device according to claim 5, wherein the number of electrode pieces (6) is 5 and the number of piezoelectric ceramics (7) is 4.
7. An ultrasound transducer fixing device according to claim 1, characterized in that the number of fixing structures (2) and positioning structures (3) is 2.
8. An ultrasound transducer fixing device according to claim 7, characterized in that each set of positioning structures (3) comprises a positioning means a (3.1) and a positioning means b (3.2); the positioning device a (3.1) is a half flange mounting plate f31(3.1.1), and the positioning device b (3.2) is composed of a half flange mounting plate f32(3.2.1), a cylinder y5(3.2.2) and a flange mounting plate f4(3.2.3) which are connected in sequence; chamfering one end of the cylinder y5(3.2.2) connected with the half flange mounting plate f32 (3.2.1); half flange mounting plate f31(3.1.1) and half flange mounting plate f32(3.2.1) are combined into flange mounting plate f 3;
a flange mounting plate f1(2.2.3) and a flange mounting plate f2(2.2.4) are respectively arranged on two end faces of the hollow cylinder y3 (2.2.1); the flange mounting plates f1(2.2.3) in the two groups of fixed structures (2) are connected by bolt structures to form a flange structure I;
and the flange mounting plates f2(2.2.4) in the two groups of fixed structures are respectively connected with the flange mounting plates f3 in the two groups of positioning structures by bolt structures to form a flange structure II.
9. The ultrasonic transducer fixing device according to claim 8, wherein the two sets of positioning structures (3) are mounted at an angle of 90-180 °.
10. The ultrasonic transducer fixing device according to claim 9, wherein the two sets of ultrasonic transducers (1) mounted on the two fixing devices A (2.1) are mounted at an angle of 90-180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210244434.0A CN114798399B (en) | 2022-03-14 | 2022-03-14 | Ultrasonic transducer fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210244434.0A CN114798399B (en) | 2022-03-14 | 2022-03-14 | Ultrasonic transducer fixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114798399A true CN114798399A (en) | 2022-07-29 |
| CN114798399B CN114798399B (en) | 2023-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210244434.0A Active CN114798399B (en) | 2022-03-14 | 2022-03-14 | Ultrasonic transducer fixing device |
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| CN (1) | CN114798399B (en) |
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| CN114798399B (en) | 2023-06-06 |
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