Aluminum wheel burr and paint film thickness defect detection device
By designing an aluminum wheel detection device that uses current measurement and detection components, the problem of detection of insufficient thickness of aluminum wheel edge burrs and paint film is solved, and fast and accurate defect detection and non-qualified product interception are achieved.
Patent Information
- Application Number
- CN202421860877.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-02
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-08-02
AI Technical Summary
During the production process, aluminum wheels often have problems with edge burrs and insufficient paint film thickness, resulting in corrosion problems and user complaints. It is difficult for existing detection methods to quickly and accurately detect these defects.
A aluminum wheel burr and paint film thickness defect detection device is designed. Using current measurement equipment and detection components, the conductive foam and flexible tire contact contact the wheel hub to be tested, and a small DC voltage is applied to detect current changes to determine the burr and paint film thickness deficiency.
It realizes rapid detection of defects in aluminum wheel burrs and paint film thickness deficiency, which can intercept unqualified products, reduce detection costs, and reduce the risk of user electric shock through conductive gloves.
Smart Images
Figure CN222825084U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of aluminum wheel detection, in particular to a device for detecting burrs and paint film thickness defects of aluminum wheels. Background Art
[0002] During the mass production stage, aluminum wheels often have corrosion problems caused by incomplete scraping of edge burrs or insufficient edge paint film thickness. This has caused a large number of complaints from users, so the amount of after-sales claims from aluminum wheel suppliers is also high. However, due to the small size of the burrs, it is not easy to detect them by visual inspection or manual touch. The thickness of the edge paint film cannot be non-destructively detected by equipment. Since the burrs on the edge of the wheel spokes are covered by the paint film, they are not easy to detect by visual inspection or touch, and the thickness of the edge paint film cannot be measured. Usually, automatic detection can be performed through visual recognition methods, but multi-dimensional stereo scanning of burrs is required, which will affect the production rhythm. In addition, the burrs are too small and need to be collected by high-definition cameras. The cost is very high.
[0003] Based on this, a device for detecting burrs and paint film thickness defects of aluminum wheels is now provided, which can eliminate the disadvantages of existing devices. Utility Model Content
[0004] The utility model aims to provide a device for detecting burrs and paint film thickness defects of aluminum wheels, so as to solve the problems in the background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A device for detecting burrs and paint film thickness defects of aluminum wheels comprises a current measuring device, wherein a positive terminal of the current measuring device is fixedly connected to a first measuring line, the other end of the first measuring line is fixedly connected to a first measuring clamp, a negative terminal of the current measuring device is fixedly connected to a second measuring line, the other end of the second measuring line is fixedly connected to a second measuring clamp, a wheel hub to be measured is arranged on one side of the current measuring device, a connecting component is arranged on one end surface of the wheel hub to be measured, and a detection component is arranged on the surface of the wheel hub to be measured.
[0007] On the basis of the above technical solutions, the present invention also provides the following optional technical solutions:
[0008] In an optional solution: the connection assembly includes a plurality of bolt holes opened on the surface of the wheel hub to be measured, a conductive copper column is inserted into the bolt hole, and the second measuring clamp is clamped on one end of the conductive copper column.
[0009] In an optional solution: the detection component includes a flexible jig arranged at the other end of the wheel hub to be measured, the size of the flexible jig is the same as the size of the wheel hub to be measured, and an energized measuring component is arranged on the surface of one end of the flexible jig.
[0010] In an optional solution: the current measurement component includes a plurality of conductive foams attached to the surface of one end of the flexible mold.
[0011] In an optional solution: the conductive foam is in a strip shape and is evenly attached to the surface of one end of the flexible mold, and the first measuring clamp is clamped on the surface of the conductive foam.
[0012] In an optional solution: the first measuring clamp surface is clamped with a troubleshooting component for troubleshooting defects on the surface of the wheel hub to be measured.
[0013] In an optional solution: the inspection component is a conductive glove, and the palm surface of the conductive glove is attached to the outer surface of the wheel hub to be tested.
[0014] In an optional solution, the current flowing inside the first measurement line and the second measurement line is less than 0.1 mA.
[0015] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0016] The utility model achieves the purpose of quickly detecting burrs and insufficient thickness on the paint film surface of the aluminum wheel hub through the detection component and the troubleshooting component. By detecting the change in the detection size of the input current, it can quickly detect whether there are burrs and insufficient thickness defects on the paint film surface of the aluminum wheel. The set current threshold can be used to intercept unqualified products, and the defects can be quickly checked by touching with conductive gloves. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0018] Figure 2 It is a front structural schematic diagram of the connection assembly of the utility model.
[0019] Figure 3 It is a side structural schematic diagram of the connection assembly of the utility model.
[0020] Figure 4 It is a front structural schematic diagram of the detection component of the utility model.
[0021] Notes on figure numbers: 1. Current measuring device; 2. First measuring line; 3. First measuring clamp; 4. Second measuring line; 5. Second measuring clamp; 6. Wheel hub to be measured; 7. Connecting assembly; 71. Bolt hole; 72. Conductive copper column; 8. Detection assembly; 81. Flexible mold; 82. Conductive foam; 9. Conductive gloves. DETAILED DESCRIPTION
[0022] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.
[0023] Example 1
[0024] In one embodiment, Figure 1-Figure 4 As shown, a device for detecting burrs and paint film thickness defects of aluminum wheels comprises a current measuring device 1, a positive end of the current measuring device 1 is fixedly connected to a first measuring line 2, the other end of the first measuring line 2 is fixedly connected to a first measuring clamp 3, a negative end of the current measuring device 1 is fixedly connected to a second measuring line 4, the other end of the second measuring line 4 is fixedly connected to a second measuring clamp 5, a wheel hub 6 to be measured is arranged on one side of the current measuring device 1, a connecting component 7 is arranged on the surface of one end of the wheel hub 6 to be measured, and a detection component 8 is arranged on the surface of the wheel hub 6 to be measured, and a user uses the detection component 8 to quickly detect defects such as burrs and insufficient paint film thickness of the aluminum wheel.
[0025] In one embodiment, Figure 4 As shown, the connecting component 7 includes a plurality of bolt holes 71 opened on the surface of the wheel hub 6 to be measured, and a conductive copper column 72 is inserted inside the bolt hole 71. The second measuring clamp 5 is clamped at one end of the conductive copper column 72. The detection component 8 includes a flexible jig 81 arranged at the other end of the wheel hub 6 to be measured. The size of the flexible jig 81 is the same as the size of the wheel hub 6 to be measured. An energized measuring component is arranged on the surface of one end of the flexible jig 81. The energized measuring component includes a plurality of conductive foams 82 attached to the surface of one end of the flexible jig 81. The conductive foams 82 are strip-shaped and evenly surrounded and attached to the surface of one end of the flexible jig 81. The first measuring clamp 3 is clamped on the surface of the conductive foam 82, so that the wheel hub 6 to be measured is in contact with the conductive foam 82 on the flexible jig 81, and a certain pressure is applied. The conductive copper column 72 is inserted into the bolt hole 71 on the wheel hub 6 to be tested. The user applies a small DC voltage between the positive and negative electrodes. The wheel hub 6 to be tested without burrs and with qualified edge thickness has a conduction current of less than 0.1 mA due to the effect of the surface paint film. The wheel hub 6 to be tested with burrs or unqualified paint film thickness will form a conduction loop between the positive and negative electrodes, and the conduction current will exceed 1 mA, the equipment will alarm, and the defect can be detected.
[0026] Example 2
[0027] The difference from Example 1 is that Figure 2 and Figure 3As shown, the surface of the first measuring clamp 3 can also be clamped with a troubleshooting component for troubleshooting defects on the surface of the wheel hub 6 to be measured, and the troubleshooting component is a conductive glove 9. The palm surface of the conductive glove 9 is attached to the outer surface of the wheel hub 6 to be measured. The current flowing inside the first measuring line 2 and the second measuring line 4 is less than 0.1mA. When the user is looking for the defect position, the first measuring clamp 3 connected to the positive electrode is disconnected from the conductive foam 82 connected to the flexible mold 81, and the conductive glove 9 is connected. The user checks the edge position of the wheel hub 6 to be measured by touching it with the glove. The position where the current exceeds 1mA is the defect position. The small current reduces the risk of electric shock to the user during detection.
[0028] The above embodiment discloses a device for detecting burrs and paint film thickness defects of aluminum wheels, wherein the wheel hub 6 to be tested is contacted with the conductive foam 82 on the flexible mold 81 and a certain pressure is applied. The conductive copper column 72 is inserted into the bolt hole 71 on the wheel hub 6 to be tested, and the user applies a small DC voltage between the positive and negative electrodes. The wheel hub 6 to be tested of the aluminum wheel without burrs and with qualified edge thickness has a conduction current of less than 0.1 mA due to the effect of the surface paint film. The wheel hub 6 to be tested of the aluminum wheel with burrs or unqualified paint film thickness will form a conduction loop between the positive and negative electrodes, and the conduction current will exceed 1 mA, the equipment alarms, and the defect can be detected. When the user searches for the defect position, the first measuring clamp 3 connected to the positive electrode is disconnected from the conductive foam 82 connected to the flexible mold 81, and the conductive gloves 9 are connected. The user touches and checks the edge position of the wheel hub 6 to be tested by using the gloves. The position where the current exceeds 1 mA is the defect position, and the small current reduces the risk of electric shock to the user during detection.
[0029] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.
Claims
1. A device for detecting burrs and paint film thickness defects of aluminum wheels, comprising a current measuring device (1), characterized in that: The positive terminal of the current measuring device (1) is fixedly connected to a first measuring line (2), the other end of the first measuring line (2) is fixedly connected to a first measuring clamp (3), the negative terminal of the current measuring device (1) is fixedly connected to a second measuring line (4), the other end of the second measuring line (4) is fixedly connected to a second measuring clamp (5), a wheel hub (6) to be measured is arranged on one side of the current measuring device (1), a connecting component (7) is arranged on one end surface of the wheel hub (6) to be measured, and a detection component (8) is arranged on the surface of the wheel hub (6) to be measured.
2. The device for detecting burrs and paint film thickness defects of aluminum wheels according to claim 1, characterized in that: The connection assembly (7) comprises a plurality of bolt holes (71) formed on the surface of the wheel hub (6) to be measured, a conductive copper column (72) is inserted into the bolt hole (71), and the second measuring clamp (5) is clamped on one end of the conductive copper column (72).
3. The device for detecting burrs and paint film thickness defects of aluminum wheels according to claim 1, characterized in that: The detection component (8) comprises a flexible jig (81) arranged at the other end of the wheel hub (6) to be measured, the size of the flexible jig (81) being the same as the size of the wheel hub (6) to be measured, and an energized measurement component is arranged on the surface of one end of the flexible jig (81).
4. The device for detecting burrs and paint film thickness defects of aluminum wheels according to claim 3, characterized in that: The current measurement component comprises a plurality of conductive foams (82) attached to the surface of one end of the flexible mold (81).
5. The device for detecting burrs and paint film thickness defects of aluminum wheels according to claim 4, characterized in that: The conductive foam (82) is in the shape of a strip and is evenly attached to the surface of one end of the flexible mold (81). The first measuring clamp (3) is clamped on the surface of the conductive foam (82).
6. The device for detecting burrs and paint film thickness defects of aluminum wheels according to claim 1, characterized in that: The surface of the first measuring clamp (3) is provided with a detection component for detecting defects on the surface of the wheel hub (6) to be measured.
7. The device for detecting burrs and paint film thickness defects of aluminum wheels according to claim 6, characterized in that: The inspection component is a conductive glove (9), and the palm surface of the conductive glove (9) is attached to the outer surface of the wheel hub (6) to be tested.
8. The device for detecting burrs and paint film thickness defects of aluminum wheels according to claim 1, characterized in that: The current flowing inside the first measuring line (2) and the second measuring line (4) is less than 0.1 mA.