A fully automated non-destructive testing device and method for carbon fiber wheel hubs

Abstract

This invention relates to the field of testing equipment technology, specifically disclosing a fully automated non-destructive testing device for carbon fiber wheel hubs. The device includes: a worktable and a drive assembly. The worktable is equipped with a testing water tank for immersing the carbon fiber wheel hub. The drive assembly includes a rolling element, a drive component, and a clamping assembly. The rolling element contacts the carbon fiber wheel hub and is connected to the drive end of the drive component, which is fixedly connected to the worktable. The clamping assembly is mounted on the surface of the rolling element to position the carbon fiber wheel hub. A robotic arm is located on one side of the worktable, capable of moving towards the carbon fiber wheel hub, and its end is equipped with a probe for testing. A control panel is located on the worktable, electrically connected to the drive assembly and the robotic arm. This invention enables the carbon fiber wheel hub to rotate via the drive assembly, while the robotic arm carrying the probe performs multi-angle scanning, achieving omnidirectional non-destructive testing of the carbon fiber wheel hub and effectively avoiding missed detections caused by a single testing angle.

Description

Technical Field

[0001] This invention relates to the field of testing equipment technology, specifically to a fully automatic non-destructive testing device for carbon fiber wheel hubs. Background Technology

[0002] With the rapid development of the automotive industry and other fields, carbon fiber wheels are being used more and more widely due to their superior properties such as high strength and lightweight. However, during the manufacturing process of carbon fiber composite materials, area-type defects such as delamination and detachment are prone to occur between layers. These defects seriously affect the performance and service life of the wheel, and if they are not detected in time, they may lead to serious safety accidents.

[0003] Currently, traditional non-destructive testing methods have many limitations when inspecting carbon fiber wheels. There is no complete and effective fully automated non-destructive testing equipment and method for workpieces with complex structures like carbon fiber wheels, making it impossible to achieve fast, accurate, and comprehensive inspection of carbon fiber wheels. Summary of the Invention

[0004] In order to overcome the problems existing in the prior art, the purpose of this invention is to provide a fully automatic non-destructive testing device for carbon fiber wheel hubs.

[0005] The technical solution adopted by this invention to solve its technical problem is: a fully automatic non-destructive testing device for carbon fiber wheel hubs, comprising:

[0006] The workbench and drive assembly are provided, with the workbench equipped with a testing water tank for immersing carbon fiber wheel hubs.

[0007] The drive assembly includes a rolling element, a drive element, and a clamping assembly. The rolling element contacts the carbon fiber wheel hub, the rolling element is connected to the drive end of the drive element, and the drive element is fixedly connected to the worktable. The clamping assembly is mounted on the surface of the rolling element to position the carbon fiber wheel hub.

[0008] A robotic arm is provided on one side of the workbench. The robotic arm can move towards the carbon fiber hub, and a probe for detection is provided at the end of the robotic arm.

[0009] The workbench is equipped with a control panel, which is electrically connected to the drive assembly and the robotic arm.

[0010] Main working principle: This fully automatic non-destructive testing equipment for carbon fiber wheel hubs includes a worktable and a drive assembly.

[0011] During the equipment initialization phase, the operator turns on the equipment power, the control panel is powered on and started, and the equipment components perform self-checks to ensure that the drive components and robotic arm are in normal standby mode.

[0012] Place the carbon fiber wheel hub to be detected on the rolling element. At this time, the clamping component comes into play and precisely positions the carbon fiber wheel hub to ensure its stable position during the detection process without deviation or shaking. The control panel issues an instruction to the driving component, and the driving component starts to operate. Since its driving end is connected to the rolling element, it drives the rolling element to rotate. As the rolling element contacts the carbon fiber wheel hub, the rotation of the rolling element will drive the carbon fiber wheel hub to rotate together, making the carbon fiber wheel hub in a dynamic detection state for a comprehensive inspection of all parts of the wheel hub.

[0013] During the rotation of the carbon fiber wheel hub, the detection water tank on the workbench soaks the carbon fiber wheel hub. The specific liquid (such as water) in the detection water tank acts as a couplant, which helps the probe better detect the internal structure of the wheel hub, eliminates air interference, and improves the accuracy and sensitivity of the detection. The control panel simultaneously controls the robotic arm to move towards the carbon fiber wheel hub. When the robotic arm moves to the appropriate position, the probe provided at its end starts to work. The probe uses non-destructive testing technology to comprehensively scan and detect the rotating carbon fiber wheel hub. The probe emits and receives signals to obtain information about the internal structure of the carbon fiber wheel hub, such as whether there are defects like cracks and pores.

[0014] The probe transmits the detected signals to the control panel. The data processing system built into the control panel analyzes and processes these signals, converts the electrical signals into intuitive detection results, and determines whether there are defects in the carbon fiber wheel hub and information such as the location and size of the defects. The control panel displays the detection results on the display screen for the operator to view. At the same time, the device can automatically record and store the detection results for subsequent traceability and statistical analysis. The operator decides whether the carbon fiber wheel hub is qualified based on the detection results and marks and processes the unqualified products.

[0015] After the detection is completed, the control panel controls the driving component to stop operating, and the rolling element and the carbon fiber wheel hub stop rotating. The robotic arm returns to its initial position, and the operator removes the detected carbon fiber wheel hub from the device, and the entire detection process ends.

[0016] Preferably, the rolling element is a rolling shaft, and the end of the rolling shaft is connected to the driving component.

[0017] Preferably, the clamping component includes a first positioning block and a plurality of second positioning blocks. There are multiple second positioning blocks, and the first positioning block and the multiple second positioning blocks are all arranged on the surface of the rolling shaft, and the multiple second positioning blocks are arranged at equal intervals;

[0018] One side of the carbon fiber wheel hub abuts against the side wall of the first positioning block, and the other side of the carbon fiber wheel hub abuts against the side wall of any one of the second positioning blocks.

[0019] Preferably, a driven shaft is provided on one side of the rolling shaft, the driven shaft is arranged parallel to the rolling shaft, and the carbon fiber hub is placed above the rolling shaft and the driven shaft.

[0020] Preferably, a slide plate is provided above the workbench, and a slide groove is provided on the slide plate. The bottom of the robotic arm is installed in the slide groove, and the robotic arm can be adjusted and installed along the direction of the slide groove; the robotic arm is a six-axis robotic arm.

[0021] Preferably, the end of the robotic arm is provided with not less than two sets of adjusting arms. The end of one set of adjusting arms is connected to the probe, and the end of the other set of adjusting arms is provided with a positioning rod. During operation, the probe and the positioning rod are located on the inner and outer sides of the carbon fiber hub, respectively.

[0022] The adjusting arm is provided with multiple adjusting rods, which are fixed together by screws.

[0023] Preferably, the ends of at least two sets of the adjusting arms are respectively connected to two different types of probes.

[0024] A fully automated non-destructive testing method for carbon fiber wheel hubs, using any one of the aforementioned fully automated non-destructive testing equipment for carbon fiber wheel hubs, includes the following steps:

[0025] S1. The carbon fiber wheel hub to be tested is hoisted and placed on the drive assembly in the testing water tank. The drive assembly is equipped with a clamping assembly, which positions and fixes the carbon fiber wheel hub.

[0026] S2. Control the robotic arm via the control panel to move the probe to the preset working zero point position;

[0027] The drive assembly is activated to rotate the carbon fiber wheel hub. At the same time, ultrasonic phased array technology is used to detect the rim and spokes of the carbon fiber wheel hub. The ultrasonic phased array technology controls the excitation pulse time of each element of the multi-element probe so that the ultrasonic waves emitted by each element form interference superposition at a specific position inside the carbon fiber wheel hub, thereby achieving phase control effects of ultrasonic beam focusing and beam deflection.

[0028] S3. The system acquires ultrasonic test data in real time, determines whether there are defects exceeding the set value according to the preset defect standard; after the test is completed, the defects that are determined to exist are measured, the relevant information is stored and displayed, and marked on the corresponding position of the carbon fiber wheel hub.

[0029] S4. After the test is completed, control the robotic arm to move to one side of the test tank and remove the tested carbon fiber wheel from the test tank. When the specifications of the carbon fiber wheel to be tested are changed, reset the test parameters and load them into the system, and then perform the test on the new specification carbon fiber wheel according to S1 to S3.

[0030] As a preferred embodiment, in S2, when detecting the profile section of the wheel spoke plane, the probe emits a beam perpendicular to its surface, while simultaneously receiving reflected waves from the upper and lower surfaces of the workpiece; the distance from each crystal's emitted ultrasonic beam to the workpiece's surface and bottom is calculated, and the delay rule is calculated and adjusted in real time to ensure that the incident sound wave is always perpendicular to the workpiece's surface and bottom, reducing energy loss caused by non-perpendicular beam angles and obtaining a more ideal bottom surface echo of the workpiece.

[0031] When inspecting the curved profile of the wheel rim, acoustic field simulation software is used to simulate the bending geometry of the workpiece based on the profile of the curved profile. The distance from each crystal to the surface and bottom of the workpiece is calculated in advance, and the delay law is calculated and adjusted in real time to ensure that the incident sound wave is always perpendicular to the surface and bottom of the workpiece, thereby improving the transmittance and obtaining a more ideal bottom echo of the workpiece.

[0032] Preferably, in S1-S3, the probe is coupled to the carbon fiber hub through a water layer to ensure that the ultrasonic beam is incident on the interior of the carbon fiber hub as much as possible, thus ensuring the detection effect.

[0033] Compared with the prior art, the beneficial effects of the present invention are:

[0034] This invention drives the carbon fiber wheel hub to rotate via a drive component, while a robotic arm carrying a probe performs multi-angle scanning, enabling omnidirectional non-destructive testing of the carbon fiber wheel hub. This effectively avoids the problem of missed detection caused by a single detection angle, greatly improving the accuracy and reliability of defect detection.

[0035] The workbench is equipped with a testing water tank for immersing carbon fiber wheel hubs. The liquid in the testing water tank can act as a good coupling agent, reducing the air gap between the probe and the surface of the wheel hub, so that ultrasonic and other testing signals can be transmitted into the interior of the wheel hub more effectively, thereby obtaining clearer and more accurate testing signals and further improving testing accuracy.

[0036] The clamping assembly is mounted on the surface of the rolling element, which can accurately position and fix the carbon fiber wheel hub, ensuring that the wheel hub is stable in position during rotation detection. It will not affect the accuracy and consistency of the detection signal due to shaking or displacement, thus providing a strong guarantee for high-quality detection. Attached Figure Description

[0037] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the following description of the embodiments will be briefly introduced. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0038] Figure 1 This is a schematic diagram of the fully automated non-destructive testing equipment for carbon fiber wheel hubs;

[0039] Figure 2 for Figure 1 A magnified view of a portion of region A;

[0040] Figure 3 This is a top view of the fully automated non-destructive testing equipment for the carbon fiber wheel hub;

[0041] Figure 4 This is the front view of the fully automated non-destructive testing equipment for the carbon fiber wheel hub;

[0042] 1. Workbench; 10. Detection tank; 11. Slide plate; 2. Robotic arm; 20. Probe; 21. Adjusting rod; 22. Positioning rod; 3. Control panel; 4. Drive assembly; 40. Rolling element; 41. Drive component; 42. Clamping assembly; 420. First positioning block; 421. Second positioning block; 43. Driven shaft. Detailed Implementation

[0043] To better understand the above-mentioned objectives, features, and advantages of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. Many specific details are set forth in the following description to provide a thorough understanding of the present invention; the described embodiments are merely some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0044] 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 invention pertains. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

[0045] Example 1

[0046] This embodiment discloses a fully automated non-destructive testing device for carbon fiber wheel hubs, such as... Figures 1-4 As shown, it includes a workbench 1 and a drive component 4.

[0047] During the equipment initialization phase, the operator turns on the equipment power, the control panel 3 is powered on and starts, and performs self-tests on each component of the equipment to ensure that the drive component 4, robotic arm 2, etc. are in normal standby state.

[0048] The carbon fiber wheel hub to be tested is placed on the rolling element 40. At this time, the clamping assembly 42 functions to accurately position the carbon fiber wheel hub, ensuring that the hub's position remains stable during the testing process and does not shift or wobble. The control panel 3 sends a command to the drive element 41, which then starts to operate. Since its drive end is connected to the rolling element 40, it drives the rolling element 40 to rotate. Because the rolling element 40 is in contact with the carbon fiber wheel hub, the rotation of the rolling element 40 causes the carbon fiber wheel hub to rotate together, putting the carbon fiber wheel hub in a dynamic testing state for comprehensive testing of all parts of the wheel hub.

[0049] During the rotation of the carbon fiber wheel hub, the detection water tank 10 on the workbench 1 immerses the carbon fiber wheel hub. The specific liquid (such as water) in the detection water tank 10 acts as a coupling agent, helping the probe 20 to better detect the internal structure of the wheel hub, eliminating air interference, and improving the accuracy and sensitivity of the detection. Simultaneously, the control panel 3 controls the robotic arm 2 to move towards the carbon fiber wheel hub. When the robotic arm 2 moves to the appropriate position, the probe 20 at its end begins to operate. The probe 20 uses non-destructive testing technology to perform a comprehensive scan and inspection of the rotating carbon fiber wheel hub. By transmitting and receiving signals, the probe 20 acquires information about the internal structure of the carbon fiber wheel hub, such as whether there are defects like cracks or pores.

[0050] The probe 20 transmits the detected signals to the control panel 3. The built-in data processing system in the control panel 3 analyzes and processes these signals, converting the electrical signals into intuitive detection results to determine whether the carbon fiber wheel hub has defects, as well as the location and size of the defects. The control panel 3 displays the detection results on a screen for the operator to view. Simultaneously, the equipment can automatically record and store the detection results for subsequent traceability and statistical analysis. Based on the detection results, the operator determines whether the carbon fiber wheel hub is qualified, and marks and handles unqualified products.

[0051] After the inspection is completed, control panel 3 stops the drive unit 41, and the rolling element 40 and carbon fiber wheel hub stop rotating. Robotic arm 2 returns to its initial position, and the operator removes the inspected carbon fiber wheel hub from the equipment, thus ending the entire inspection process.

[0052] In some optional embodiments, the rolling element 40 is specifically a rolling shaft, the end of which is connected to the driving element 41. When the driving element 41 operates, power is directly transmitted to the rolling shaft, and the rotation of the rolling shaft drives the carbon fiber wheel hub in contact with it to rotate, thereby realizing the dynamic detection of the wheel hub.

[0053] In some optional embodiments, the clamping assembly 42 has a first positioning block 420 and a plurality of equidistantly arranged second positioning blocks 421 disposed on the surface of the rolling shaft. When the carbon fiber hub is placed on the rolling shaft, one side of the hub is pressed against the side wall of the first positioning block 420, and the other side is pressed against the side wall of any of the second positioning blocks 421. The hub is clamped by the side walls of the first positioning block 420 and the second positioning blocks 421, achieving precise positioning of the hub on the rolling shaft and preventing the hub from shifting during rotation detection.

[0054] In some optional embodiments, a driven shaft 43 is arranged parallel to one side of the rolling shaft, and the carbon fiber hub is placed above the rolling shaft and the driven shaft 43. The driving component 41 drives the rolling shaft to rotate, and the rolling shaft contacts the hub to generate friction, which drives the hub to rotate. At the same time, the driven shaft 43 plays a supporting and auxiliary role in the rotation, ensuring that the hub is more stable during rotation.

[0055] In some optional embodiments, a slide plate 11 is provided above the workbench 1, with grooves on the slide plate 11, and the bottom of the robotic arm 2 is installed in the grooves. Depending on the inspection requirements of different specifications of carbon fiber wheel hubs, the operator can manually or via the control panel 3 adjust the installation position of the robotic arm 2 along the direction of the grooves, enabling the robotic arm 2 to reach the appropriate inspection position. The robotic arm 2 is a six-axis robotic arm with multiple degrees of freedom, capable of flexible movement and posture adjustment in three-dimensional space. During the inspection process, the six-axis robotic arm 2 can move the probe 20 at its end to the optimal inspection position and angle according to the shape of the wheel hub and the inspection requirements, achieving omnidirectional inspection of the wheel hub.

[0056] In some optional embodiments, the robotic arm 2 is provided with no fewer than two sets of adjusting arms at its end. One set of adjusting arms is connected to the probe 20 at its end, and the other set is provided with a positioning rod 22 at its end. During operation, the probe 20 and the positioning rod 22 are respectively placed on the inner and outer sides of the carbon fiber wheel hub. The positioning rod 22 plays a role in positioning and assisting in detection, ensuring that the probe 20 can be accurately aligned with the detection part of the wheel hub, thereby improving the accuracy of the detection.

[0057] The adjusting arm is equipped with multiple adjusting rods 21, which are fixed together by screws. Depending on the size and shape of different carbon fiber wheel hubs, the operator can loosen the screws and adjust the position and angle of the adjusting rods 21, thereby changing the length and posture of the adjusting arm so that the probe 20 and the positioning rod 22 can better adapt to the inspection requirements of the wheel hub.

[0058] In some optional embodiments, when it is necessary to inspect the flat part of the carbon fiber wheel hub, the control panel 3 controls the robotic arm 2 to adjust its position and posture, so that the adjustment arm connected to the flat probe 20 moves to the vicinity of the flat part of the wheel hub, aligns the flat probe 20 with the flat surface, and emits a detection signal according to the preset detection parameters (such as detection frequency, scanning speed, etc.) to scan and detect the flat surface of the wheel hub, obtain the internal structural information of the flat part, and transmit the detection signal to the control panel 3 for analysis and processing.

[0059] When it is necessary to inspect the curved surface of a carbon fiber wheel hub, the control panel 3 controls the robotic arm 2 to move the adjusting arm connected to the curved surface probe 20 to the curved surface of the wheel hub, ensuring good contact between the probe 20 and the surface. The probe then emits a signal suitable for surface inspection, scanning along the surface to acquire internal structural information. This signal is then transmitted to the control panel 3 for analysis. Through the coordinated operation of two different probe models 20, comprehensive non-destructive testing of both the flat and curved surfaces of the carbon fiber wheel hub is achieved.

[0060] Example 2

[0061] A fully automated non-destructive testing method for carbon fiber wheel hubs, characterized by using any one of the fully automated non-destructive testing devices for carbon fiber wheel hubs in Example 1, comprising the following steps:

[0062] S1. The carbon fiber wheel hub to be tested is hoisted and placed on the drive assembly 4 in the testing water tank 10. The drive assembly 4 is equipped with a clamping assembly 42, which positions and fixes the carbon fiber wheel hub.

[0063] S2. Control the robotic arm 2 to move the probe 20 to the preset working zero point position via the control panel 3;

[0064] The drive assembly 4 is activated to rotate the carbon fiber hub. At the same time, ultrasonic phased array technology is used to detect the rim and spokes of the carbon fiber hub. The ultrasonic phased array technology controls the excitation pulse time of each element of the multi-element probe 20 so that the ultrasonic waves emitted by each element form interference superposition at a specific position inside the carbon fiber hub, thereby achieving the phase control effect of ultrasonic beam focusing and beam deflection.

[0065] S3. The system acquires ultrasonic test data in real time, determines whether there are defects exceeding the set value according to the preset defect standard; after the test is completed, the defects that are determined to exist are measured, the relevant information is stored and displayed, and marked on the corresponding position of the carbon fiber wheel hub.

[0066] S4. After the test is completed, the robotic arm 2 is moved to one side of the test tank 10 and the tested carbon fiber wheel hub is removed from the test tank 10. When the specification of the carbon fiber wheel hub to be tested is changed, the test parameters are reset and loaded into the system, and the test of the new specification carbon fiber wheel hub is carried out according to S1 to S3.

[0067] In some optional embodiments, in S2, when detecting planar profile sections such as wheel spokes, the probe 20 emits a beam perpendicular to its surface, while simultaneously receiving reflected waves from the upper and lower surfaces of the workpiece; the distance from each crystal-emitted ultrasonic beam to the workpiece surface and bottom surface is calculated, and the delay rule is calculated and adjusted in real time to ensure that the incident sound wave is always perpendicular to the surface and bottom surface of the workpiece, reducing energy loss caused by non-perpendicular beam angles and obtaining a more ideal bottom surface echo of the workpiece.

[0068] When inspecting the curved profile of the wheel rim, acoustic field simulation software is used to simulate the bending geometry of the workpiece based on the profile of the curved profile. The distance from each crystal to the surface and bottom of the workpiece is calculated in advance, and the delay law is calculated and adjusted in real time to ensure that the incident sound wave is always perpendicular to the surface and bottom of the workpiece, thereby improving the transmittance and obtaining a more ideal bottom echo of the workpiece.

[0069] In some optional embodiments, in S1-S3, the probe 20 is coupled to the carbon fiber hub through a water layer to ensure that the ultrasonic beam is incident as much as possible into the interior of the carbon fiber hub, thus ensuring the detection effect.

[0070] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Therefore, any modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the scope of the present invention.

Claims

1. A fully automated non-destructive testing device for carbon fiber wheel hubs, characterized in that, include: The workbench and drive assembly are provided, with the workbench equipped with a testing water tank for immersing carbon fiber wheel hubs. The drive assembly includes a rolling element, a drive element, and a clamping assembly. The rolling element contacts the carbon fiber wheel hub, the rolling element is connected to the drive end of the drive element, and the drive element is fixedly connected to the worktable. The clamping assembly is mounted on the surface of the rolling element to position the carbon fiber wheel hub. A robotic arm is provided on one side of the workbench. The robotic arm can move towards the carbon fiber hub, and a probe for detection is provided at the end of the robotic arm. The workbench is equipped with a control panel, which is electrically connected to the drive assembly and the robotic arm. The rolling element is a rolling shaft, and the end of the rolling shaft is connected to the driving element; The clamping assembly includes a first positioning block and a second positioning block. Multiple second positioning blocks are provided. The first positioning block and multiple second positioning blocks are all disposed on the surface of the rolling shaft, and the multiple second positioning blocks are arranged at equal intervals. One side of the carbon fiber wheel hub is pressed against the side wall of the first positioning block, and the other side of the carbon fiber wheel hub is pressed against the side wall of any of the second positioning blocks. A slide plate is provided above the workbench, and a slide groove is provided on the slide plate. The bottom of the robotic arm is installed in the slide groove, and the robotic arm can be adjusted and installed along the direction of the slide groove; the robotic arm is a six-axis robotic arm. The end of the robotic arm is provided with at least two sets of adjusting arms. The end of one set of adjusting arms is connected to the probe, and the end of the other set of adjusting arms is provided with a positioning rod. During operation, the probe and the positioning rod are located on the inner and outer sides of the carbon fiber hub, respectively. The adjusting arm is provided with multiple adjusting rods, which are fixed together by screws.

2. The fully automated non-destructive testing equipment for carbon fiber wheel hubs according to claim 1, characterized in that, A driven shaft is provided on one side of the rolling shaft, and the driven shaft is arranged parallel to the rolling shaft. The carbon fiber hub is placed above the rolling shaft and the driven shaft.

3. The fully automated non-destructive testing equipment for carbon fiber wheel hubs according to claim 1, characterized in that, The ends of at least two sets of the adjusting arms are respectively connected to two different types of probes.

4. A fully automated non-destructive testing method for carbon fiber wheel hubs, characterized in that, Using the fully automated non-destructive testing equipment for carbon fiber wheel hubs as described in any one of claims 1-3, the process includes the following steps: S1. The carbon fiber wheel hub to be tested is hoisted and placed on the drive assembly in the testing water tank. The drive assembly is equipped with a clamping assembly, which positions and fixes the carbon fiber wheel hub. S2. Control the robotic arm via the control panel to move the probe to the preset working zero point position; The drive assembly is activated to rotate the carbon fiber wheel hub. At the same time, ultrasonic phased array technology is used to detect the rim and spokes of the carbon fiber wheel hub. The ultrasonic phased array technology controls the excitation pulse time of each element of the multi-element probe so that the ultrasonic waves emitted by each element form interference superposition at a specific position inside the carbon fiber wheel hub, thereby achieving phase control effects of ultrasonic beam focusing and beam deflection. S3. The system acquires ultrasonic test data in real time, determines whether there are defects exceeding the set value according to the preset defect standard; after the test is completed, the defects that are determined to exist are measured, the relevant information is stored and displayed, and marked on the corresponding position of the carbon fiber wheel hub. S4. After the test is completed, control the robotic arm to move to one side of the test tank and remove the tested carbon fiber wheel from the test tank. When the specifications of the carbon fiber wheel to be tested are changed, reset the test parameters and load them into the system, and then perform the test on the new specification carbon fiber wheel according to S1 to S3.

5. The fully automated non-destructive testing method for carbon fiber wheel hubs according to claim 4, characterized in that, In S2, when detecting the profile section of the wheel spoke plane, the probe emits a beam perpendicular to its surface and simultaneously receives reflected waves from the upper and lower surfaces of the workpiece. The distance from the ultrasonic beam emitted by each crystal to the surface and bottom of the workpiece is calculated, and the delay law is calculated and adjusted in real time to ensure that the incident sound wave is always perpendicular to the surface and bottom of the workpiece, reducing energy loss caused by non-perpendicular beam angle and obtaining a more ideal bottom surface echo of the workpiece. When inspecting the curved profile of the wheel rim, acoustic field simulation software is used to simulate the bending geometry of the workpiece based on the profile of the curved profile. The distance from each crystal to the surface and bottom of the workpiece is calculated in advance, and the delay law is calculated and adjusted in real time to ensure that the incident sound wave is always perpendicular to the surface and bottom of the workpiece, thereby improving the transmittance and obtaining a more ideal bottom echo of the workpiece.

6. The fully automated non-destructive testing method for carbon fiber wheel hubs according to claim 4, characterized in that, In S1-S3, the probe is coupled to the carbon fiber hub through a water layer to ensure that the ultrasonic beam is incident on the interior of the carbon fiber hub as much as possible, thus ensuring the detection effect.

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