CN111822505A - Ultrasonic loading device for plate and strip - Google Patents
Ultrasonic loading device for plate and strip Download PDFInfo
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- CN111822505A CN111822505A CN202010628753.2A CN202010628753A CN111822505A CN 111822505 A CN111822505 A CN 111822505A CN 202010628753 A CN202010628753 A CN 202010628753A CN 111822505 A CN111822505 A CN 111822505A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B11/00—Subsidising the rolling process by subjecting rollers or work to vibrations, e.g. ultrasonic vibrations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/004—Heating the product
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/004—Heating the product
- B21B2045/006—Heating the product in vacuum or in inert atmosphere
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- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention relates to an ultrasonic loading device for plates and strips, which belongs to the technical field of ultrasonic frequency mechanical vibration generation, and particularly comprises an ultrasonic transducer and an amplitude transformer, wherein the ultrasonic transducer is used for generating ultrasonic vibration; the loading working head is provided with a connecting part fixedly connected with the amplitude transformer and a loading part which is used for being pressed against the surface of a plate strip material when in use, the loading part extends along the transverse direction, and the bottom surface of the loading part is an arc-shaped cylindrical surface. The ultrasonic loading device for the plate and strip adopts the ultrasonic transducer and the amplitude transformer which are fixedly connected with each other, the amplitude transformer is fixedly connected with the loading working head, and all the components are fixedly connected with each other, so that the ultrasonic vibration generated by the ultrasonic transducer can be smoothly transmitted to the working head, the ultrasonic loading efficiency can be obviously improved, and the service life of the loading device is prolonged.
Description
Technical Field
The invention relates to an ultrasonic loading device for a plate and strip material, and belongs to the technical field of ultrasonic frequency mechanical vibration generation.
Background
With the rapid development of high and new technologies, the demand for high-quality sheet and strip materials is rapidly increasing in the fields of connectors for 5G communication, connectors for new energy vehicles, high-end lead frames, and the like. The core technical problem of the high-quality plate strip is how to reduce the residual stress of the plate strip and avoid the problems of deformation and warping of the plate strip in the using process. The traditional main method for removing the residual stress of the plate strip is to carry out stress relief annealing through an air cushion furnace, a bell jar furnace and the like, the effect of removing the residual stress is not good, the residual stress of the alloy plate strip is usually controlled to be about +/-120 MPa, and products with low requirements on the residual stress can meet the requirements.
CN108405609B discloses an ultrasonic vibration auxiliary rolling method for producing low residual stress aluminum alloy strips, which comprises the steps of using aluminum alloy strips or medium plates as raw materials, firstly carrying out cold rolling to obtain strips or foils with the thickness of 10 mu m-2 mm, then utilizing three ultrasonic guide rollers with the same diameter to apply ultrasonic waves of 20 KHz-30 MHz to the strips or foils, and finally obtaining the low residual stress strips or foils. The method can reduce the residual stress of the strip or foil by using cold rolling and ultrasonic processing, but the device for applying ultrasonic vibration adopts an ultrasonic guide roller, the guide roller is a rotatable cylindrical roller, and the application of ultrasonic vibration by using the rotatable roller has the following problems: one of them is affected by the processing precision, there is a gap between the roller and the rotating shaft thereof, which absorbs the ultrasonic vibration energy and generates heat, resulting in energy loss, and the components such as the shaft sleeve, the bearing and the like arranged between the roller and the rotating shaft thereof are easily deformed and damaged under the long-term ultrasonic vibration, resulting in greater energy loss.
Disclosure of Invention
The invention aims to provide an ultrasonic wave loading device which is high in ultrasonic wave vibration loading efficiency and long in service life.
The invention adopts the following technical scheme: an ultrasonic loading device for plates and strips comprises an ultrasonic transducer and an amplitude transformer, wherein the ultrasonic transducer is used for generating ultrasonic vibration, one end of the amplitude transformer is fixedly connected with the ultrasonic transducer, and the other end of the amplitude transformer is provided with a loading working head; the loading working head is provided with a connecting part fixedly connected with the amplitude transformer and a loading part which is used for being pressed against the surface of a plate strip material when in use, the loading part extends along the transverse direction, and the bottom surface of the loading part is an arc-shaped cylindrical surface.
The transverse direction refers to the width direction of the plate and strip material when the plate and strip material is pressed on the surface in use, the loading part extends along the direction so as to be capable of loading ultrasonic vibration on the whole width direction of the plate and strip material, and the specific extending length can be appropriately lengthened according to the width of the plate and strip material to be loaded.
The ultrasonic loading device for the plate and strip adopts the ultrasonic transducer and the amplitude transformer which are fixedly connected with each other, the amplitude transformer is fixedly connected with the loading working head, and all the components are fixedly connected with each other, so that the ultrasonic vibration generated by the ultrasonic transducer can be smoothly transmitted to the working head, the ultrasonic loading efficiency can be obviously improved, and the service life of the loading device is prolonged. The arc-shaped cylindrical surface arranged at the bottom of the loading working surface can enable the plate and strip to generate arc-surface bending deformation, the contact area between the loading working head and the plate and strip is increased, and the loading efficiency of ultrasonic vibration is improved. The arc in the arc-shaped cylindrical surface can adopt arc shapes such as an ellipse, an oblate, a discontinuous arc and the like, the selection is further optimized, and the arc-shaped cylindrical surface can adopt an arc-shaped cylindrical surface.
According to the further improved scheme, the amplitude transformer and the loading working head are fixedly connected integrally, and the ultrasonic vibration transmission is more effective than that of a split structure. The ultrasonic vibration plate has the advantages that the selection is optimized, the materials of the amplitude transformer and the loading working head are both titanium alloy or hard alloy, the hardness of the titanium alloy and the hard alloy is high, the high-temperature strength is good, the ultrasonic vibration plate is suitable for being used at a high temperature, and the loading ultrasonic vibration can be realized at the annealing temperature of the plate and the strip. Particularly, the loading part and the amplitude transformer are arranged vertically.
The fixed connection mode of the ultrasonic transducer and the amplitude transformer can adopt the existing connection modes of flange connection, welding, threaded connection and the like, and the invention further adopts an improved scheme that the ultrasonic transducer and the amplitude transformer are fixedly connected by adopting a stud bolt, and the fixed connection mode specifically comprises the following steps: the ultrasonic transducer is fixedly connected with the amplitude transformer through a stud bolt, and two ends of the stud bolt are respectively in threaded engagement with the first countersunk head screw hole and the second countersunk head screw hole. The fixed connection mode of the stud bolts is adopted, and compared with the fixed connection mode of flange connection and welding connection, the diameters of the ultrasonic transducer and the amplitude transformer can be guaranteed not to be increased, and the shapes and the structures of the outer surfaces of the ultrasonic transducer and the amplitude transformer can not be influenced. The roughness of the end surface planes of the ultrasonic transducer and the amplitude transformer is not more than Ra0.6, so that the seamless combination quality of the two surfaces is ensured. The method has the advantages that the optimization selection is realized, and the stud bolt is a full-thread stud bolt.
According to a further improved scheme, a limiting edge is arranged on the outer side surface of the ultrasonic transducer.
According to the further improved scheme, the ultrasonic transducer is provided with a loading driving mechanism for driving the loading working head to move along the loading direction, the loading direction refers to the direction in which the loading working head abuts against the plate and strip materials when the ultrasonic transducer is used, the driving mechanism can drive the loading working head to move forwards so as to abut against the plate and strip materials, and can also drive the loading working head to move backwards so as to separate from the plate and strip materials. The specific loading driving mechanism can adopt an existing hydraulic mechanism or a motor driving mechanism, for example, an electric worm mechanism, and is not described in detail herein.
According to a further improved scheme, supporting rollers are arranged on two sides of the loading working head in the longitudinal direction respectively and extend in the transverse direction. Where "longitudinal" is taken to mean relative to the transverse direction, specifically the length of the strip in use. The arrangement of the supporting roller can facilitate the plate and strip to form arc surface bending deformation at the arc cylindrical surface for loading the working head.
According to a further improved scheme, the protective layer is deposited on the surface of the arc-shaped cylindrical surface, so that the high-temperature wear resistance of the loading working head is improved, and the friction between the loading working head and the plate and strip is reduced in the plate and strip advancing process. The protective layer can be a tungsten carbide layer, a ceramic layer, a hard chromium layer and the like.
Drawings
FIG. 1 is a schematic structural view of an embodiment of the ultrasonic loading device for plate and strip materials of the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a schematic structural view of another embodiment of the ultrasonic loading device for plate and strip materials of the present invention;
FIG. 4 is a schematic structural diagram of an embodiment of an ultrasonic loading device according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, which may be present in the embodiments of the present invention, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the statement that "comprises an … …" is intended to indicate that there are additional elements of the same process, method, article, or apparatus that comprise the element.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.
In the description of the present invention, unless otherwise specifically stated or limited, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be detachable or non-detachable. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.
In the ultrasonic loading device of the invention, the specific implementation mode of the amplitude transformer is as follows: the amplitude transformer is structurally characterized in that a cylinder with the diameter of 40-60mm is transited to a cylinder with the diameter of 15-30mm and the length of 70-230m through a conical surface from top to bottom, and then the cylinder is transited to a loading working head through a round angle with the r being 20-50 mm; the bottom of the loading working head is of a round angle structure, so that scratches of edges and corners on a plate strip can be avoided, and a wear-resistant layer (such as tungsten carbide, ceramic, hard chromium and the like) is arranged on the round angle structure, so that the high-temperature wear resistance of the loading working head can be improved; the width W range of the loading working head is 50mm-150mm, the height H range is 120mm-2400mm, and the top end fillet transition radius R range is 8mm-15 mm. The amplitude transformer (including a loading working head) can work at room temperature to 500 ℃, and the specific material is titanium alloy (such as TC 4) and hard aluminum alloy (such as 7075).
In the ultrasonic loading device of the present invention, the specific implementation manner of the ultrasonic transducer is as follows: the frequency of the ultrasonic transducer is not less than 18KHz, the power is not less than 500W, and the vibration amplitude is not less than 19 μm. The ultrasonic generator is configured according to the parameters of the ultrasonic transducer, and is a prior art ultrasonic generator, which is not shown in the figure, and mainly outputs an electric signal to the ultrasonic transducer, and the ultrasonic transducer converts the signal into kinetic energy of high-frequency secondary vibration, which is not described in detail herein. The ultrasonic transducer is fixed on an electric screw device (not shown in the figure), the electric screw can realize that the loading working head has an adjusting range space with the length L of 0-35mm in the height direction, and the loading working head transmits vibration to a plate and strip material with certain tensile stress at different pressures and contact areas by adjusting the height position of the loading working head, wherein the pressure range applied on the plate and strip material by the loading working head is controlled between 0-22500N.
The present invention will be described in further detail with reference to examples.
Example 1
The embodiment is an embodiment of the ultrasonic loading device for plate and strip materials, and particularly the device is shown in fig. 1 and fig. 2 and comprises an ultrasonic transducer 7 and a horn 9, wherein the ultrasonic transducer is used for generating ultrasonic vibration, and the horn can transmit the ultrasonic vibration downwards; the lower end face of the ultrasonic transducer 7 is a plane and is provided with a first countersunk head screw hole, the upper end face of the amplitude transformer 9 is a plane and is provided with a second countersunk head screw hole, the ultrasonic transducer 7 and the amplitude transformer 9 are fixedly connected through a stud bolt 8, and two ends of the stud bolt 8 are respectively in threaded fit with the first countersunk head screw hole and the second countersunk head screw hole. When the ultrasonic transducer is used, one end of the stud bolt 8 is screwed into the first countersunk head screw hole of the ultrasonic transducer 7, and then the amplitude transformer 9 is screwed into the other end of the stud bolt 8 through the second countersunk head screw hole and is screwed.
The lower end of the amplitude transformer 9 is integrally connected with a loading working head 25, the loading working head 25 is provided with a connecting part 27 and a loading part 28, the loading part 28 extends along the transverse direction, namely the width direction of the plate and strip material 4 as shown in fig. 2 and 3, the bottom surface is used for being pressed against the upper surface of the plate and strip material 4, and the shape of the loading working head is an arc cylindrical surface 26. In the longitudinal direction, that is, the length direction of the plate and strip material 4, two sides of the loading working head 25 are respectively provided with a supporting roller, the supporting rollers extend along the transverse direction, and can rotate and support the plate and strip material when in use, so that the loading working head 25 can move downwards to press the plate and strip material to carry out ultrasonic vibration loading. The amplitude transformer 9 and the loading working head 25 are made of titanium alloy with the alloy model being TC 4.
It can be understood that in the present embodiment, an electric worm mechanism (not shown) is further provided on the ultrasonic transducer, and is used for driving the loading working head 25 to move downwards to press against the plate and strip material 4, and also driving the loading working head 25 to move upwards to separate from the plate and strip material 4.
Example 2
The embodiment is an embodiment of the ultrasonic loading device for the plate and strip materials, and is basically the same as embodiment 1, except that a protective layer is deposited on the surface of the circular cylindrical surface of the loading working head 25, the protective layer is made of tungsten carbide, so that the friction between the protective layer and the plate and strip materials 4 can be reduced, and the abrasion of the loading working head 25 on the surface of the plate and strip materials 4 is avoided.
Example 3
The present embodiment is an embodiment of the ultrasonic loading device for plate and strip materials according to the present invention, and is substantially the same as embodiment 1 except that, as shown in fig. 3, support rollers 10 are respectively provided on both sides in the longitudinal direction of the loading working head 25, and the support rollers 10 extend in the transverse direction. The amplitude transformer 9 and the loading working head 25 of the embodiment are connected by a stud bolt.
Example 4
In order to better understand the ultrasonic loading device of the present invention, this embodiment provides an application scheme of the ultrasonic loading device, namely a device for reducing the residual stress of a plate and strip material, as shown in fig. 4, the device includes a supporting platform 16, the supporting platform 16 is supported by a supporting upright 17, the bottom of the supporting upright 17 is provided with a universal wheel 18, and a hand push rod 19 is arranged on the supporting upright 17 on one side, so as to facilitate the movement of the whole equipment.
The heating furnace 6 is arranged on the supporting platform 16, the first winding roller 1 and the second winding roller 20 are respectively arranged on the left side and the right side of the heating furnace, when in use, two ends of the plate strip 4 are respectively wound on the first winding roller 1 and the second winding roller 20, the first winding roller 1 and the second winding roller 20 respectively rotate in opposite directions, and opposite acting forces are provided for the plate strip 4, so that a tensile stress field condition is provided. The first winding roller 1 and the second winding roller 20 are respectively provided with a first driving motor 2 and a second driving motor 21, wherein the power output ends of the first driving motor 2 and the second driving motor 21 are respectively provided with a magnetic powder brake 15,22 for providing braking force for the plate and strip material so as to adjust the tensile force of the plate and strip material, and a right-angle speed changer 14 is further arranged between the first driving motor and the first winding roller and between the second driving motor and the second winding roller for adjusting the driving speed of the driving motor. The system formed by the winding rollers, the driving motor, the right-angle speed changer and the magnetic powder brake on the two sides of the heating furnace 6 is completely consistent, and the plate and strip can be treated repeatedly.
The heating furnace 6 is provided with a furnace wall and a furnace chamber enclosed by the furnace wall, and the left side and the right side of the furnace wall are respectively provided with a first opening 24 and a second opening 23, so that the plate and strip material 4 can pass through the furnace chamber of the heating furnace 6 to realize the temperature field condition applied to the plate and strip material 4; when the plate and strip materials are processed repeatedly, the first opening and the second opening have the same function and are used for entering and exiting the heating furnace. The wall of the heating furnace is respectively provided with an air inlet 5 and an air outlet 12 which are used for introducing inert gas for protection when in use.
The middle part of the heating furnace 6 is provided with an ultrasonic loading device, as shown in fig. 2 and 3, the ultrasonic loading device comprises an ultrasonic transducer 7, the bottom of the ultrasonic transducer 7 is fixedly connected with an amplitude transformer 9 through a stud bolt 8, the bottom of the amplitude transformer 9 is fixedly connected with a loading working head 25, the loading working head 25 extends along the width direction of the plate and strip material, as shown in fig. 3, W is the width of the loading working head, and the width W can ensure that the whole width of the plate and strip material 4 can be covered when in use. The bottom surface of the loading working head 25 is a circular arc surface, so that a larger contact area with the plate and strip can be provided. The loading working head 25 is positioned in the furnace chamber of the heating furnace 6, and the amplitude transformer 9 is inserted through the furnace wall at the top of the heating furnace 6, so that the ultrasonic transducer 7 is positioned outside the heating furnace 6, and the influence of the heat of the heating furnace 6 on the use of the ultrasonic transducer 7 is avoided. It will be appreciated that the ultrasonic loading means further comprises a drive means (not shown in fig. 1) capable of providing a fixed arrangement for providing downward loading against the compressive stress, in particular an electric worm, which drive means may be fixed to the top surface of the furnace or to the support platform in a manner conventionally selected and not described in detail herein.
Two groups of supporting roller sets which are alternately arranged are also arranged in the furnace chamber of the heating furnace 6, and the two groups of supporting roller sets are respectively positioned on the left side part and the right side part of the furnace chamber of the heating furnace 6. Each group of support roller sets comprises four support rollers 3 which are alternately arranged up and down. When the loading device is used, as shown in fig. 4, the loading working head 25 provides downward pressing stress under the action of a driving device of the ultrasonic loading device, the plate and strip 4 is in a shape with two high ends and a low middle under the combined action of the two near-end supporting rollers 10 on the left side and the right side, and is similar to a V-shaped shape, and at the moment, the arc-shaped bottom surface of the loading working head 25 is in contact with the plate and strip 4, so that the plate and strip 4 is in arc-shaped bending deformation.
Other structures of the heating furnace 6 can adopt the prior art, a heating element is arranged in the heating furnace, a metal partition plate is arranged between the heating element and the hearth, the heat of the heating element can be prevented from directly radiating to the hearth, and the temperature uniformity of the hearth can be improved. The heating furnace is internally provided with a temperature sensor, and the heating temperature adjusting range is adjustable within 0-500 ℃. The side wall of the heating furnace is also provided with a movable furnace cover 11, the movable furnace cover is opened to facilitate the loading and the taking out of the plate and strip materials, the heights and the positions of the supporting roller and the near-end supporting roller in the heating furnace can be adjusted, the specific structure adopts the prior art, and the detailed description is omitted.
The use method of the device for reducing the residual stress of the plate strip adopts the following steps:
1) opening a movable furnace cover of the heating furnace, respectively winding the plate and strip materials on a first winding roller and a second winding roller, respectively enabling the plate and strip materials in the middle to pass through a second opening and a first opening on the heating furnace, respectively placing the plate and strip materials on two groups of alternately arranged supporting roller sets in an S-shaped mode as shown in figure 4, and closing the movable furnace cover;
2) starting a heating furnace to start heating, and introducing inert gas argon into the heating furnace to ensure that the temperature in the heating furnace is stabilized at 360 +/-2 ℃;
3) opening the first driving motor and the second driving motor, applying tensile force in opposite directions on the plate and strip materials, adjusting the magnetic powder brake, and ensuring that the tensile force applied on the plate and strip materials is stabilized at 50 Mpa;
4) opening a driving device on the ultrasonic loading device, enabling the loading working head to move downwards and press the plate and strip materials, and ensuring that 1600 +/-2N of pressing stress is applied to the plate and strip materials, as shown in figures 3 and 4, forming a structure similar to a V shape;
5) starting an ultrasonic transducer of the ultrasonic loading device, and adjusting ultrasonic vibration parameters to 20KHz in frequency, 800W in power and 18 +/-3 mu m in vibration amplitude;
6) starting a first driving motor to pull the plate and strip materials to move until all the plate and strip materials are subjected to residual stress reduction treatment, and then starting a second driving motor to pull the plate and strip materials to move reversely until all the plate and strip materials are subjected to residual stress reduction treatment; the treatment is repeated once. And after the treatment is finished, naturally cooling to room temperature in the air.
7) And opening a movable furnace cover of the heating furnace, and taking out the treated plate strip from the first winding roller and the second winding roller.
As shown in figure 1, set up spacing shelves on ultrasonic transducer and follow, can avoid ultrasonic loading device to get into the heating furnace when supporting the clamp plate strip downwards, adopt stud fixed connection between ultrasonic transducer and the amplitude transformer in addition, can compare flange joint and welded connection's fixed connection mode, can guarantee not increase the diameter of ultrasonic transducer and amplitude transformer, can not influence the shape and the structure of ultrasonic transducer and amplitude transformer surface yet, the aspect amplitude transformer can insert in the furnace chamber of heating furnace smoothly.
The above description is only a preferred embodiment of the present application, and not intended to limit the present application, the scope of the present application is defined by the appended claims, and all changes in equivalent structure made by using the contents of the specification and the drawings of the present application should be considered as being included in the scope of the present application.
Claims (9)
1. An ultrasonic loading device for plate and strip materials is characterized in that: the ultrasonic vibration generator comprises an ultrasonic transducer and an amplitude transformer, wherein the ultrasonic transducer is used for generating ultrasonic vibration, one end of the amplitude transformer is fixedly connected with the ultrasonic transducer, and the other end of the amplitude transformer is provided with a loading working head; the loading working head is provided with a connecting part fixedly connected with the amplitude transformer and a loading part which is used for being pressed against the surface of a plate strip material when in use, the loading part extends along the transverse direction, and the bottom surface of the loading part is an arc-shaped cylindrical surface.
2. The ultrasonic loading device for plate and strip material of claim 1, wherein: the amplitude transformer is fixedly connected with the loading working head integrally.
3. The ultrasonic loading device for plate and strip material of claim 1, wherein: the amplitude transformer and the loading working head are made of titanium alloy or hard alloy.
4. The ultrasonic loading device for plate and strip material of claim 1, wherein: and a limiting edge is arranged on the outer side surface of the ultrasonic transducer.
5. The ultrasonic loading device for plate and strip material of claim 1, wherein: and a protective layer is deposited on the surface of the arc-shaped cylindrical surface.
6. The ultrasonic loading device for plate and strip material of claim 1, wherein: the arc-shaped cylindrical surface is a circular arc-shaped cylindrical surface.
7. The ultrasonic loading device for plate and strip material of claim 1, wherein: and the ultrasonic transducer is provided with a loading driving mechanism for driving the loading working head to move along the loading direction.
8. An ultrasonic loading unit for plate and strip material according to any one of claims 1 to 7, wherein: the ultrasonic transducer is fixedly connected with the amplitude transformer through a stud bolt, and two ends of the stud bolt are respectively in threaded fit with the first countersunk screw hole and the second countersunk screw hole.
9. An ultrasonic loading unit for plate and strip material according to any one of claims 1 to 7, wherein: and supporting rollers are respectively arranged on two sides of the loading working head in the longitudinal direction and extend along the transverse direction.
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| CN202010628753.2A CN111822505A (en) | 2020-07-01 | 2020-07-01 | Ultrasonic loading device for plate and strip |
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| CN202010628753.2A CN111822505A (en) | 2020-07-01 | 2020-07-01 | Ultrasonic loading device for plate and strip |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114959219A (en) * | 2022-05-31 | 2022-08-30 | 安徽理工大学 | Ultrasonic shot peening strengthening device for long thin plate test piece |
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| CN114959219B (en) * | 2022-05-31 | 2023-05-26 | 安徽理工大学 | Ultrasonic shot peening strengthening device for long sheet test piece |
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Application publication date: 20201027 |