A device and method for repairing body panel deformation

Abstract

The application discloses a body panel deformation repairing device and method, which comprises a high-energy ultrasonic transducer, a fixing frame, a sound wedge block and the like. The high-energy ultrasonic transducer is arranged on the fixing frame, the fixing frame can fix the high-energy ultrasonic transducer on the body panel, and the emitting end of the high-energy ultrasonic transducer is arranged towards the body panel. The sound wedge block is arranged on the emitting end of the high-energy ultrasonic transducer, and the shape of the sound wedge block towards the surface of the body panel before deformation is matched with the shape of the body panel before deformation. The high-energy ultrasonic transducer can be fixed on the body panel through the fixing frame, the stress of the body panel caused by deformation can be eliminated through the ultrasonic wave emitted by the high-energy ultrasonic transducer, and thus the deformation can be eliminated. Therefore, the deformed part of the body panel can be restored under the action of the ultrasonic wave, manual mechanical processing or heating of the deformed part of the body panel is not needed, and the damage to the paint surface of the panel part is reduced. The influence of the environmental factors on the repairing precision is reduced, and the repairing difficulty is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of repairing equipment, and discloses a body sheet metal deformation repairing device and method. BACKGROUND

[0002] With the development of the automobile industry and the improvement of people's living standards, more and more families have cars, and the number of sheet metal parts is rapidly increasing, resulting in more and more sheet metal part repairing problems. At present, the sheet metal part repairing technology mainly focuses on manual participation in correction and spraying processes, and these methods have gradually fallen behind the pace of modern scientific and technological development.

[0003] Generally, the body of a high-grade car is made of aluminum alloy material, which has high plasticity, but after a slight collision, it will produce concave-convex micro-deformation. Due to the limitation of the material, it cannot be repaired by heating, and once heated, the non-deformed area will also be deformed. Therefore, one repairing method is to suck out the concave part of the sheet metal part by a suction cup and then knock it back to normal. This method cannot achieve perfect repair for high-grade cars due to the backwardness of the repairing means. Moreover, it may cause damage to the paint surface of the sheet metal part during the repairing process, increasing the difficulty of repairing. Another repairing method is to rotate the supporting beam of the repairing device on the base to reduce the angle adjustment of the worker during the repairing process. This repairing process mainly relies on manual participation, and the repairing accuracy depends on the personal experience and ability of the worker. However, this method cannot use the method of applying automobile putty powder commonly used in 4S stores to perform aesthetic repair for micro-defects.

[0004] Therefore, there is an urgent need for a body sheet metal deformation repairing device and method to repair the micro-deformation of the body sheet metal, reduce the repairing difficulty, and reduce the damage to the paint surface of the sheet metal part. SUMMARY

[0005] In view of the above problems of the prior art, the present application provides a body sheet metal deformation repairing device and method to repair the micro-deformation of the body sheet metal, reduce the repairing difficulty, and reduce the damage to the paint surface of the sheet metal part.

[0006] To achieve the above-mentioned purpose, the present application provides a body sheet metal deformation repairing device, comprising: a high-energy ultrasonic transducer; a fixing frame, wherein the high-energy ultrasonic transducer is arranged on the fixing frame, the fixing frame can fix the high-energy ultrasonic transducer on the body sheet metal, and the emitting end of the high-energy ultrasonic transducer is arranged towards the body sheet metal; and an acoustic wedge, wherein the acoustic wedge is arranged on the emitting end of the high-energy ultrasonic transducer, and the shape of the acoustic wedge towards the side surface of the body sheet metal is matched with the shape of the body sheet metal before deformation.

[0007] From the above, the high-energy ultrasonic transducer can be fixed on the vehicle body sheet metal through the fixing frame, and the stress generated by the deformation of the vehicle body sheet metal can be eliminated through the ultrasonic waves emitted by the high-energy ultrasonic transducer, so that the deformed position of the vehicle body sheet metal gradually recovers to the original shape as the stress is eliminated. Thus, the deformed position of the vehicle body sheet metal can be restored under the action of the ultrasonic waves, and manual mechanical processing or heating of the deformed position of the vehicle body sheet metal is not required, thereby reducing the damage to the paint surface of the sheet metal part. The influence of the factors on the repair accuracy can also be reduced, and the repair difficulty can be further reduced.

[0008] In addition, by arranging an acoustic wedge between the emitting end of the high-energy ultrasonic transducer and the vehicle body sheet metal, the efficiency of the ultrasonic waves emitted by the high-energy ultrasonic transducer transmitted to the vehicle body sheet metal can be improved. By matching the shape of the acoustic wedge on the side surface of the vehicle body sheet metal to the shape of the vehicle body sheet metal before deformation, the adhesion effect of the acoustic wedge can be maintained during the process of restoring the deformed position by ultrasonic waves, thereby improving the transmission effect of the ultrasonic waves.

[0009] As a possible implementation manner of the first aspect, the fixing frame is fixed on the vehicle body sheet metal by a suction cup.

[0010] From the above, the fixing frame is fixed on the vehicle body sheet metal by a suction cup, so that the connection and fixation of the fixing frame and the vehicle body sheet metal are more convenient, and the position of the fixing frame can be adjusted according to the deformed position of the vehicle body sheet metal, so as to repair the deformed position of the vehicle body sheet metal by the high-energy ultrasonic transducer.

[0011] As a possible implementation manner of the first aspect, the fixing frame is further provided with a pressing bolt, the high-energy ultrasonic transducer is arranged on the pressing bolt, and rotating the pressing bolt can drive the high-energy ultrasonic transducer to approach or move away from the vehicle body sheet metal.

[0012] From the above, the position of the high-energy ultrasonic transducer can be adjusted by the pressing bolt to adjust the distance between the high-energy ultrasonic transducer and the vehicle body sheet metal, so that the acoustic wedge can be closely attached to the vehicle body sheet metal, thereby improving the efficiency of the ultrasonic waves emitted by the high-energy ultrasonic transducer transmitted to the vehicle body sheet metal.

[0013] As a possible implementation manner of the first aspect, the high-energy ultrasonic transducer and the pressing bolt are slidably connected in the direction of approaching / away from the vehicle body sheet metal; a spring is further arranged between the high-energy ultrasonic transducer and the fixing frame, and the spring drives the high-energy ultrasonic transducer to move in the direction of approaching the vehicle body sheet metal.

[0014] From the above, the pressure of driving the acoustic wedge to be closely attached to the vehicle body sheet metal can be adjusted by adjusting the elastic force provided by the spring. Thus, the pressure change between the acoustic wedge and the vehicle body sheet metal can be avoided, and damage to the vehicle body sheet metal can be avoided.

[0015] As a possible implementation manner of the first aspect, the displacement mechanism is arranged on the fixing frame and drives the high-energy ultrasonic transducer to rub on the surface of the body panel.

[0016] Therefore, the displacement mechanism drives the high-energy ultrasonic transducer to rub on the surface of the body panel, thereby driving the deformation position to accelerate recovery, so as to improve the recovery effect of the deformation position.

[0017] As a possible implementation manner of the first aspect, the sound wedge is provided with sound-transmitting rubber on the side surface facing the body panel, and the thickness of the sound-transmitting rubber is greater than the deformation depth of the body panel.

[0018] Therefore, the sound-transmitting rubber provided on the side surface of the sound wedge facing the body panel can avoid damaging the body panel after the sound wedge contacts the body panel, and can improve the efficiency of transmitting the ultrasonic wave to the body panel. By making the thickness of the sound-transmitting rubber greater than the deformation depth of the body panel, the sound-transmitting rubber can completely fill the deformation position, thereby improving the efficiency of transmitting the ultrasonic wave to the body panel.

[0019] The second aspect of the present application provides a body panel deformation repair method, which comprises the following steps: fixing a high-energy ultrasonic transducer on a body panel through a fixing frame, so that the emitting end of the high-energy ultrasonic transducer faces the body panel; arranging a sound wedge on the emitting end of the high-energy ultrasonic transducer, the sound wedge is attached to the body panel and located at a deformation position of the body panel, and the shape of the side surface of the sound wedge facing the body panel is matched with the shape of the body panel before deformation; and the high-energy ultrasonic transducer emits a longitudinal wave ultrasonic wave.

[0020] Therefore, the high-energy ultrasonic transducer can be fixed on the body panel through the fixing frame, and the stress of the body panel caused by deformation can be eliminated by the ultrasonic wave emitted by the high-energy ultrasonic transducer, thereby eliminating the deformation. Thus, the deformed part of the body panel can be restored under the action of the ultrasonic wave without manual mechanical processing of the deformed part of the body panel, thereby reducing the repair difficulty and reducing the damage to the paint surface of the panel.

[0021] In addition, the sound wedge is arranged between the emitting end of the high-energy ultrasonic transducer and the body panel, thereby improving the efficiency of transmitting the ultrasonic wave emitted by the high-energy ultrasonic transducer to the body panel. By matching the shape of the side surface of the sound wedge facing the body panel with the shape of the body panel before deformation, the attachment effect of the sound wedge can be maintained during the process of driving the deformation position to recover by the ultrasonic wave, thereby improving the transmission effect of the ultrasonic wave.

[0022] As a possible implementation manner of the second aspect, the high-energy ultrasonic transducer is driven to rub on the surface of the vehicle body panel.

[0023] According to the above, the high-energy ultrasonic transducer is driven to rub on the surface of the vehicle body panel through the displacement mechanism, so as to drive the deformation position to accelerate recovery, thereby improving the recovery effect of the deformation position.

[0024] As a possible implementation manner of the second aspect, the first information is obtained, the first information being shape and size information of the deformation position of the vehicle body panel; the second information is determined according to the first information, the second information being at least one of a resonance frequency and output power information of the ultrasonic wave emitted by the high-energy ultrasonic transducer.

[0025] According to the above, the resonance frequency and output power of the ultrasonic wave can be determined according to the shape and size of the deformation position. Thus, the repair efficiency of the deformation position can be improved.

[0026] As a possible implementation manner of the second aspect, the high-energy ultrasonic transducers are arranged in pairs on two sides of the vehicle body panel.

[0027] According to the above, by arranging the high-energy ultrasonic transducers on two sides of the vehicle body panel, the ultrasonic wave can be emitted to the vehicle body panel from the two sides, thereby improving the repair effect on the vehicle body panel.

[0028] These and other aspects of the present application will become more fully understood from the following description of the (multiple) embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0029] Various features and relationships of the present application will be further described in the following detailed description of the embodiments, and more particularly will be described with reference to the following figures. The figures are diagrammatic and are not drawn to scale only to facilitate readability of this specification. Some features, which are of a conventional nature, are not shown in the figures, or are omitted, to avoid obscuring the subject matter of the present application, and some features, which are of a conventional nature, are shown in the figures, or are described in the specification, to avoid obscuring the subject matter of the present application. The combination of features shown in the figures is not intended to limit the present application. In addition, like reference numerals refer to like elements throughout the specification. The figures are as follows:

[0030] Figure 1 is a front view of the vehicle body panel deformation repair device in the embodiment of the present application;

[0031] Figure 2 is a top view of the vehicle body panel deformation repair device in the embodiment of the present application; Figure 1

[0032] Figure 3 is a structure diagram of repairing the vehicle body panel using the vehicle body panel deformation repair device in the embodiment of the present application; Figure 1 ​​

[0033] Figure 4 Flow chart of the body panel deformation repair method in the embodiments of the present application.

[0034] Explanation of reference signs

[0035] 100 body panel deformation repair device; 110 high-energy ultrasonic transducer; 120 fixing frame; 121 suction cup; 122 mounting plate; 123 connecting rod; 124 compression bolt; 125 spring; 130 acoustic wedge; 140 sound-transmitting rubber; 150 displacement mechanism; 151 gear ring; 152 gear; 153 motor; 200 body panel. DETAILED DESCRIPTION

[0036] The words "first", "second", "third" or similar in the description and claims or module A, module B, module C and the like similar terms are only used to distinguish similar objects and do not represent a specific order of the objects. It can be understood that the specific order or sequence can be interchanged as permitted, so that the embodiments of the present application described herein can be implemented in an order other than that illustrated or described herein.

[0037] In the following description, the reference signs representing steps such as S110, S120, and the like are not necessarily indicative of the order in which the steps are performed, and the order of the steps can be interchanged or performed simultaneously as permitted.

[0038] The term "comprising" as used in the specification and claims should not be interpreted as limiting to the listed elements; it does not exclude other elements or steps. It thus should be interpreted as specifying the presence of the stated features, integers, steps or components as referred to, but does not preclude the presence or addition of one or more other features, integers, steps or components, or groups thereof. Thus, the expression "a device comprising means A and B" should not be interpreted as device consisting only of means A and B.

[0039] The term "one embodiment" or "an embodiment" as may appear in the specification is intended to mean that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the application. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, but can refer to different embodiments. Furthermore, the particular features, structures, or characteristics can be combined in any suitable manner in one or more embodiments.

[0040] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. In case of any inconsistency, the meaning set forth in this specification or derived from the content described herein shall prevail. Furthermore, the terminology used herein is for the purpose of describing embodiments of this application only and is not intended to limit the scope of this application.

[0041] In order to accurately describe the technical content of this application and to accurately understand the present invention, the following explanations or definitions of the terms used in this specification are given before describing the specific embodiments.

[0042] Dislocations, also known as dislocations, are microscopic defects in crystalline materials, specifically the irregular arrangement of atoms in a localized manner, in materials science.

[0043] Yield limit, also known as flow limit. When a material is subjected to external force to a certain limit, it will continue to undergo significant plastic deformation even without increasing the load.

[0044] Elastic modulus, which is the stress divided by the strain in a uniaxial stress state.

[0045] Yield strength is the yield limit of a metallic material when it undergoes yielding, which is the stress that resists a small amount of plastic deformation.

[0046] The specific structure of the body sheet metal deformation repair device 100 in the embodiments of this application will be described in detail below with reference to the accompanying drawings.

[0047] Figure 1 This is a frontal orthographic projection of the body sheet metal deformation repair device 100 in the embodiments of this application; Figure 2 for Figure 1 A top-view diagram of the body panel deformation repair device 100; Figure 3 For use Figure 1 A schematic diagram of the structure of the body sheet metal deformation repair device 100 repairing the body sheet metal 200. (See diagram below.) Figure 1 , Figure 2 , Figure 3 As shown, the body sheet metal deformation repair device 100 in this embodiment includes: a high-energy ultrasonic transducer 110; a fixing frame 120, on which the high-energy ultrasonic transducer 110 is mounted, and the fixing frame 120 can fix the high-energy ultrasonic transducer 110 to the body sheet metal 200, with the emitting end of the high-energy ultrasonic transducer 110 facing the body sheet metal 200; and an acoustic wedge 130, on which the acoustic wedge 130 is mounted, and the shape of the surface of the acoustic wedge 130 facing the body sheet metal 200 is adapted to the shape of the body sheet metal 200 before deformation.

[0048] When the micro-deformation of the body sheet metal 200 occurs, stress will be generated at the deformation position of the body sheet metal 200. For the material with good plasticity such as aluminum alloy, after the stress is generated inside the body sheet metal 200, the high-energy ultrasonic transducer 110 can inject ultrasonic waves into the deformation position, so as to eliminate the stress at the deformation position, and the micro-deformation of the body sheet metal 200 can be restored with the elimination of the stress, thereby achieving the repairing purpose.

[0049] Specifically, when the ultrasonic waves are injected into the body sheet metal 200, and the body sheet metal 200 is subjected to the external force of the high-energy sound field, microscopically, the vibration frequency and amplitude of the crystal lattice atoms are greatly enhanced, and the originally distorted atoms will restore to the normal low-energy stable state after obtaining sufficient energy, so as to open the dislocation and relax the stress. Macroscopically, the high-energy field applied externally can make the yield limit and elastic modulus of the material decrease, when the yield strength of the material decreases to be less than the stress inside the material, the elastic strain decreases, the stress region is plastically deformed, and then the stress state is changed, thereby generating the micro-deformation and restoring the original state.

[0050] From the above, the high-energy ultrasonic transducer 110 can be fixed on the body sheet metal 200 through the fixing frame 120, the stress generated due to the deformation of the body sheet metal 200 can be eliminated by the ultrasonic waves emitted by the high-energy ultrasonic transducer 110, and the deformation position of the body sheet metal 200 can gradually restore to the original shape with the elimination of the stress. Thus, the micro-deformation position of the body sheet metal 200 can be restored under the action of the ultrasonic waves, and the mechanical processing or heating of the deformation position of the body sheet metal 200 by artificial is not needed, so as to reduce the damage to the paint surface of the sheet metal part. The influence of the environmental factors on the repairing accuracy can be reduced, and then the repairing difficulty can be reduced.

[0051] In addition, the sound wedge 130 can be arranged between the emitting end of the high-energy ultrasonic transducer 110 and the body sheet metal 200, so as to improve the transmission efficiency of the ultrasonic waves emitted by the high-energy ultrasonic transducer 110 to the body sheet metal 200. The shape of the sound wedge 130 towards the surface of the body sheet metal 200 can be adapted to the shape of the body sheet metal 200 before the deformation, so as to always maintain the adhesion effect with the sound wedge 130 in the process of driving the deformation position to restore, thereby improving the transmission effect of the ultrasonic waves.

[0052] Further, the sound wedge 130 can be made of a material with good sound transmission, excellent material performance and high strength, and preferably, the 7A04 aluminum alloy can be used.

[0053] Further, the sound wedge 130 is in the shape of a circular truncated cone, and the radius of the end of the sound wedge 130 connected to the high-energy ultrasonic transducer 110 is the same as the radius of the emitting end of the high-energy ultrasonic transducer 110. The radius of the end of the sound wedge 130 facing the vehicle body panel 200 is larger than the radius of the end of the sound wedge 130 connected to the high-energy ultrasonic transducer 110. In this way, the ultrasonic waves can be easily diverged in the sound wedge 130 and introduced into the vehicle body panel 200.

[0054] As shown in Figure 1 , the sound wedge 130 is provided with a sound-transmitting rubber 140 on the side surface facing the vehicle body panel 200, and the thickness of the sound-transmitting rubber 140 is greater than the deformation depth of the vehicle body panel 200. By providing the sound-transmitting rubber 140 on the side of the sound wedge 130 facing the vehicle body panel 200, the efficiency of the ultrasonic wave transmission to the vehicle body panel 200 can be improved. By making the thickness of the sound-transmitting rubber 140 greater than the deformation depth of the vehicle body panel 200, it can be ensured that the sound-transmitting rubber 140 can completely fill the deformed position, so as to improve the efficiency of the ultrasonic wave transmission to the vehicle body panel 200.

[0055] Further, the high-energy ultrasonic transducer 110 is a longitudinal wave transducer. Since the longitudinal wave can only propagate in solids and liquids, if it propagates in air, it will cause great attenuation. By providing the sound-transmitting rubber 140 on the sound wedge 130, the defects between the deformed surface and the sound wedge 130 can be perfectly filled, and the coupling agent effect can be achieved.

[0056] Further, a layer of liquid coupling agent can also be applied on the surface of the sound-transmitting rubber 140, so that after the sound-transmitting rubber 140 is attached to the vehicle body panel 200, the air can be completely excluded, and the efficiency of the ultrasonic wave injection into the material can be maximized.

[0057] As shown in Figure 1 , the fixing frame 120 is fixed on the vehicle body panel 200 by the suction cup 121. In this way, the fixing frame 120 is fixed on the vehicle body panel 200 by the suction cup 121, so that the connection and fixation of the fixing frame 120 and the vehicle body panel 200 can be more convenient, and the position of the fixing frame 120 can be adjusted according to the deformed position of the vehicle body panel 200, so as to repair the deformed position of the vehicle body panel 200 by the high-energy ultrasonic transducer 110.

[0058] Specifically, as shown in Figure 1 , Figure 2 , Figure 3 , the fixing frame 120 includes a mounting plate 122, which is in the shape of a square plate member, and a connecting rod 123 is vertically arranged at each corner of the mounting plate 122. The suction cup 121 is arranged at the end of the connecting rod 123, and the connecting rod 123 can be adsorbed and fixed on the vehicle body panel 200 by the suction cup 121.

[0059] AsFigure 1 , Figure 2 , Figure 3 As shown, a clamping bolt 124 is also provided on the mounting plate 122 of the fixing bracket 120. The high-energy ultrasonic transducer 110 is mounted on the clamping bolt 124. Rotating the clamping bolt 124 can drive the high-energy ultrasonic transducer 110 to approach or move away from the vehicle body sheet 200. Thus, the position of the high-energy ultrasonic transducer 110 can be adjusted by the clamping bolt 124 to adjust the distance between the high-energy ultrasonic transducer 110 and the vehicle body sheet 200, so that the acoustic wedge 130 can be tightly attached to the vehicle body sheet 200, thereby improving the efficiency of the ultrasonic waves emitted by the high-energy ultrasonic transducer 110 being transmitted to the vehicle body sheet 200.

[0060] like Figure 1 As shown, the high-energy ultrasonic transducer 110 is slidably connected to the clamping bolt 124 in the direction of approaching / moving away from the vehicle body sheet 200; a spring 125 is also provided between the high-energy ultrasonic transducer 110 and the fixing bracket 120, and the spring 125 drives the high-energy ultrasonic transducer 110 to move in the direction of approaching the vehicle body sheet 200. Therefore, the pressure of the driving acoustic wedge 130 tightly adhering to the vehicle body sheet 200 can be adjusted by adjusting the elastic force provided by the spring 125. This prevents the pressure change between the acoustic wedge 130 and the vehicle body sheet 200 from changing too rapidly, thus avoiding damage to the vehicle body sheet 200.

[0061] like Figure 2 As shown, the body sheet metal deformation repair device 100 in this embodiment further includes a displacement mechanism 150, which is mounted on the mounting plate 122 of the fixed frame 120 and drives the high-energy ultrasonic transducer 110 to knead the surface of the body sheet metal 200. Thus, by driving the high-energy ultrasonic transducer 110 to move slowly along an elliptical trajectory on the surface of the body sheet metal 200 through the displacement mechanism 150, the acoustic wedge block 130 can knead the deformed area of ​​the body sheet metal 200, thereby acting on the area surrounding the deformed area and accelerating the recovery of the deformed area, thus improving the recovery effect of the deformed area.

[0062] Specifically, such as Figure 2 , Figure 3 As shown, the displacement mechanism 150 includes a gear ring 151, a gear 152, and a motor 153. The gear ring 151 is elliptical and mounted on the mounting plate 122. The gear 152 is disposed within the gear ring 151 and meshes with it. The motor 153 is connected to the gear 152, driving the gear 152 to rotate and simultaneously causing it to move along the gear ring 151 within it. A clamping bolt 124 is fixed to the gear 152 and coaxially arranged with it. This allows the high-energy ultrasonic transducer 110 and the acoustic wedge block 130 to rotate and move along an elliptical trajectory.

[0063] Furthermore, after the body sheet metal is deformed due to collisions or other reasons, the shape of the deformed area is usually irregular. When fixing the mounting bracket 120, the two axes of the gear ring 151 can be arranged along the length direction of the deformed area. As a result, the high-energy ultrasonic transducer 110 and the acoustic wedge block 130 can move along an elliptical trajectory to completely cover the deformed area of ​​the body sheet metal 200, thereby improving the repair effect.

[0064] Furthermore, the gear ring 151 can also be a circular gear ring, so that the high-energy ultrasonic transducer 110 and the acoustic wedge block 130 can move along a circular trajectory to knead the deformed position of the body sheet metal 200. This is not limited.

[0065] Furthermore, the displacement mechanism 150 can also be driven by a transmission structure such as a linkage structure or a lead screw structure to cause the high-energy ultrasonic transducer 110 to knead the deformed position of the body sheet metal 200. The movement trajectory of the high-energy ultrasonic transducer 110 and the acoustic wedge block 130 can be a reciprocating movement along a straight line, a figure-eight movement, or other trajectories, without limitation.

[0066] This application also provides a method 300 for repairing the deformation of a body sheet metal 200. This method 300 can be implemented using the aforementioned body sheet metal deformation repair device 100, or other devices; there is no limitation on its use. The specific steps of the method 300 for repairing the deformation of a body sheet metal 200 in this application embodiment are described in detail below with reference to the accompanying drawings.

[0067] Figure 4 This is a flowchart of the body sheet metal deformation repair method 300 in an embodiment of this application. Figure 4 As shown, the specific steps of the body sheet metal deformation repair method 300 in this application include:

[0068] Step S310: Fix the high-energy ultrasonic transducer 110.

[0069] In step S310, the high-energy ultrasonic transducer 110 can be fixed to the vehicle body sheet 200 by the fixing bracket 120, so that the emitting end of the high-energy ultrasonic transducer 110 is facing the vehicle body sheet 200. An acoustic wedge 130 is provided at the emitting end of the high-energy ultrasonic transducer 110. The acoustic wedge 130 is attached to the vehicle body sheet 200 and located at the deformation position of the vehicle body sheet 200. The shape of the surface of the acoustic wedge 130 facing the vehicle body sheet 200 is adapted to the shape of the vehicle body sheet 200 before deformation.

[0070] Furthermore, the high-energy ultrasonic transducer 110 can be used as follows: Figure 3The high-energy ultrasonic transducer 110 is arranged on the two sides of the vehicle body panel 200, as shown. Thus, the ultrasonic waves can be emitted from both sides to the vehicle body panel 200, so that the repair effect on the vehicle body panel 200 can be improved.

[0071] In step S320, the first information is acquired.

[0072] In step S320, the first information is acquired, which is the shape and size information of the deformed position of the vehicle body panel 200.

[0073] In step S330, the second information is determined.

[0074] In step S330, the second information is determined according to the first information, and the second information is at least one of the resonance frequency and the output power information of the ultrasonic waves emitted by the high-energy ultrasonic transducer 110.

[0075] Specifically, the high-energy ultrasonic transducer 110 generates ultrasonic waves, and the frequency and size of the high-energy ultrasonic transducer 110 can be selected according to the size and shape of the micro-deformation on the vehicle body panel 200. For example, when the deformed area of the vehicle body panel 200 is about 40 cm 2 left and right, and the maximum deformation depth is less than about 3.2 mm, a high-energy ultrasonic transducer 110 with a diameter of 70 mm and a resonance frequency of 15 kHz can be selected, and the output power is set to 150 W-200 W.

[0076] In step S340, the ultrasonic waves are emitted according to the second information, and the resonance frequency and the output power of the ultrasonic waves can be determined according to the shape and size of the deformed position. Thus, the repair efficiency of the deformed position can be improved.

[0077] In step S340, the ultrasonic waves are emitted according to the second information, and the resonance frequency and the output power of the ultrasonic waves can be determined according to the shape and size of the deformed position. Thus, the repair efficiency of the deformed position can be improved.

[0078] Further, the ultrasonic waves are longitudinal waves.

[0079] In step S350, the high-energy ultrasonic transducer 110 is controlled to rub.

[0080] In step S350, the high-energy ultrasonic transducer 110 is driven to move on the surface of the vehicle body panel 200 along a circular, elliptical or other shaped track. Thus, the acoustic wedge 130 can rub at the deformed position of the vehicle body panel 200, so as to drive the deformed position to accelerate recovery, thereby improving the recovery effect of the deformed position.

[0081] Note that the above merely describes preferred embodiments of the present application and the applied technical principles. Those skilled in the art will understand that the present application is not limited to the specific embodiments described herein, and that various obvious changes, modifications and substitutions can be made by those skilled in the art without departing from the scope of the present application. Therefore, although the present application has been described in detail through the above embodiments, the present application is not limited to the above embodiments, and can include more other equivalent embodiments without departing from the concept of the present application, and all of them belong to the protection scope of the present application.

Claims

1. A device for repairing body panel deformation, characterized in that, The utility model relates to a high-energy ultrasonic testing device for vehicle body panel, comprising: a high-energy ultrasonic transducer; a fixing frame, wherein the high-energy ultrasonic transducer is arranged on the fixing frame, the fixing frame can fix the high-energy ultrasonic transducer on the vehicle body panel, and the emitting end of the high-energy ultrasonic transducer is arranged towards the vehicle body panel; an acoustic wedge, wherein the acoustic wedge is arranged on the emitting end of the high-energy ultrasonic transducer, and the shape of the side surface of the acoustic wedge towards the vehicle body panel is matched with the shape of the vehicle body panel before deformation; a displacement mechanism, wherein the displacement mechanism is arranged on the fixing frame and drives the high-energy ultrasonic transducer to rub on the surface of the vehicle body panel.

2. The vehicle body sheet metal deformation repair apparatus of claim 1, wherein, The fixing frame is fixed on the vehicle body panel by a suction cup.

3. The vehicle body sheet metal deformation repair apparatus of claim 1, wherein, The fixing frame is further provided with a compression bolt, the high-energy ultrasonic transducer is arranged on the compression bolt, and rotating the compression bolt can drive the high-energy ultrasonic transducer to approach or move away from the vehicle body panel.

4. The vehicle body sheet metal deformation repair apparatus of claim 3, wherein, The high-energy ultrasonic transducer and the compression bolt are slidingly connected along the direction of approaching / moving away from the vehicle body panel; the high-energy ultrasonic transducer and the fixing frame are further provided with a spring, and the spring drives the high-energy ultrasonic transducer to move towards the direction of approaching the vehicle body panel.

5. The vehicle body sheet metal deformation repair apparatus of claim 1, wherein, The side surface of the acoustic wedge towards the vehicle body panel is provided with sound-transmitting rubber, and the thickness of the sound-transmitting rubber is greater than the depth of deformation of the vehicle body panel.

6. A method of repairing a deformation of a body panel of a vehicle, characterized by, The utility model relates to a high-energy ultrasonic testing device for vehicle body panel, comprising: arranging a high-energy ultrasonic transducer on a fixing frame to fix the high-energy ultrasonic transducer on a vehicle body panel, so that the emitting end of the high-energy ultrasonic transducer is arranged towards the vehicle body panel; arranging an acoustic wedge on the emitting end of the high-energy ultrasonic transducer, wherein the acoustic wedge is attached to the vehicle body panel and located at the deformation position of the vehicle body panel, and the shape of the side surface of the acoustic wedge towards the vehicle body panel is matched with the shape of the vehicle body panel before deformation; the high-energy ultrasonic transducer emits longitudinal wave ultrasonic waves; driving the high-energy ultrasonic transducer to rub on the surface of the vehicle body panel.

7. The method of claim 6, wherein, obtaining first information, which is the shape and size information of the deformation position of the vehicle body panel; determining second information according to the first information, wherein the second information is at least one of the resonance frequency and output power information of the ultrasonic waves emitted by the high-energy ultrasonic transducer.

8. The method of claim 6 or 7, wherein, The high-energy ultrasonic transducers are arranged in pairs on both sides of the vehicle body panel.

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