Detection tool for automobile back door decorating part assembly

Abstract

The utility model relates to the technical field of automobile decoration part detection, in particular to a detection tool for an automobile back door decoration part assembly, which comprises a detection table and two detection mechanisms, and is characterized in that each detection mechanism comprises a mounting frame, a moving assembly, an upper detection assembly, an upper abutting assembly and a lower abutting assembly, the detection table provides mounting conditions for the two detection mechanisms, and the two detection mechanisms are arranged on the detection table. When the automobile back door decorating parts need to be detected, two to-be-detected automobile back door decorating parts are placed on the two detection mechanisms, and the two to-be-detected automobile back door decorating parts are fixed through the two upper abutting assemblies and the two lower abutting assemblies. The two upper detection assemblies are adjusted to preset positions through the two moving assemblies; and starting the upper detection assembly to detect the two to-be-detected automobile back door decorating parts, and outputting detection data. Therefore, the problem that an existing detection method is low in efficiency is solved.

Description

Technical Field

[0001] This utility model relates to the field of automotive decorative parts testing technology, and in particular to a testing fixture for automotive tailgate decorative parts assembly. Background Technology

[0002] The tailgate trim assembly is a key exterior component integrated into the vehicle's tailgate, typically including parts such as a spoiler, license plate cover, taillight trim, and rear bumper trim. During production, each tailgate trim component undergoes individual inspection to ensure a high yield rate.

[0003] Currently, traditional testing methods rely on manual measurement, which is inefficient and prone to large errors. There is an urgent need to develop testing fixtures for automotive tailgate trim assemblies to overcome the technical barriers of low efficiency, large errors, and poor adaptability of traditional testing methods. Utility Model Content

[0004] The purpose of this invention is to provide a testing fixture for automotive tailgate trim assemblies, aiming to solve the problem of low efficiency in existing testing methods.

[0005] To achieve the above objectives, firstly, this utility model provides a testing fixture for automotive tailgate trim assemblies.

[0006] It includes a testing station and two testing mechanisms, each testing mechanism comprising a mounting frame, a moving component, an upper testing component, an upper supporting component, and a lower supporting component;

[0007] The mounting bracket is fixedly connected to the testing table and located on the testing table. The movable component is mounted on the mounting bracket, the upper testing component is mounted on the movable component, the upper abutment component is mounted on the side of the mounting bracket near the movable component, and the lower abutment component is mounted on the mounting bracket.

[0008] The movable component includes a slide rail, a slider, and a fixed rod. The slide rail is fixedly connected to the mounting bracket and is located on the mounting bracket. The slider is slidably connected to the slide rail and is located on the slide rail. The fixed rod is threadedly connected to the slider and passes through the slide rail.

[0009] The upper detection component includes a movable frame and multiple detection modules. The movable frame is fixedly connected to a slider and is located on one side of the slider. The multiple detection modules are all mounted on the movable frame.

[0010] The detection mechanism further includes a second detection module and two side detection modules. The second detection module is installed on the side of the mounting frame near the first slide rail, and the two side detection modules are respectively installed on one side of the mounting frame.

[0011] The upper abutment assembly includes a second slide rail, a second slider, a second fixing rod, and a abutment head. The second slide rail is fixedly connected to the mounting frame and is located on the mounting frame. The second slider is slidably connected to the second slide rail and is located on the second slide rail. The second fixing rod is threadedly connected to the second slider and passes through the second slider. The abutment head is fixedly connected to the second slider and is located on the second slider.

[0012] The lower abutment assembly includes a slide rail three, a slider three, a fixing rod three, multiple positioning pins, and a cutting edge. The slide rail three is fixedly connected to the mounting frame and is located on one side of the mounting frame. The slider three is slidably connected to the slide rail three and is located on the slide rail three. The fixing rod three is threadedly connected to the slider three and passes through the slider three. The multiple positioning pins are inserted into the mounting frame, and the cutting edge is installed on the slider three.

[0013] Secondly, a method for inspecting an automotive tailgate trim assembly, using the inspection fixture for the automotive tailgate trim assembly described in the first aspect, includes the following steps:

[0014] Two tailgate trim pieces to be tested are placed on two testing mechanisms and fixed by two upper abutment components and two lower abutment components;

[0015] The two upper detection components are adjusted to preset positions using two moving components;

[0016] The system activates detection module one, detection module two, and two side detection modules to inspect the two car tailgate trim pieces to be inspected and outputs the inspection data.

[0017] This utility model discloses a testing fixture for an automotive tailgate trim assembly. The testing platform provides installation conditions for two testing mechanisms. When testing the automotive tailgate trim, the two trims to be tested are placed on the two testing mechanisms and fixed by the two upper and two lower supporting components. The two upper testing components are adjusted to preset positions by the two moving components. The upper testing components are then activated to test the two trims and output test data. This solves the problem of low efficiency in existing testing methods. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of a testing fixture for an automotive tailgate trim assembly provided by this utility model.

[0020] Figure 2 It is a detection module on one side.

[0021] Figure 3 It is a detection module for both sides.

[0022] Figure 4 It is a side detection module.

[0023] Figure 5 This is a flowchart of a testing method for a car tailgate trim assembly.

[0024] In the diagram: 1-Detection platform, 2-Mounting frame, 3-Slide rail one, 4-Slider one, 5-Fixing rod one, 6-Moving frame, 7-Detection module one, 8-Detection module two, 9-Side detection module, 10-Slide rail two, 11-Slider two, 12-Fixing rod two, 13-Holding head, 14-Slide rail three, 15-Slider three, 16-Fixing rod three, 17-Positioning pin, 18-Cut-off blade, 71-Laser scanning unit, 72-Image acquisition unit, 73-Data processing unit, 81-Contact sensor unit, 82-Infrared ranging unit, 91-Visual positioning unit, 92-Pressure feedback unit. Detailed Implementation

[0025] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0026] Please see Figures 1 to 4 In the first aspect, this utility model provides a testing fixture for an automotive tailgate trim assembly, including a testing table 1 and two testing mechanisms. The testing mechanism includes a mounting frame 2, a moving component, an upper testing component, an upper supporting component, and a lower supporting component.

[0027] The mounting frame 2 is fixedly connected to the testing table 1 and is located on the testing table 1. The moving component is mounted on the mounting frame 2, the upper testing component is mounted on the moving component, the upper abutment component is mounted on the side of the mounting frame 2 near the moving component, and the lower abutment component is mounted on the mounting frame 2.

[0028] In this embodiment, the testing platform 1 provides installation conditions for the two testing mechanisms. When it is necessary to test the car tailgate trim, the two car tailgate trims to be tested are placed on the two testing mechanisms and fixed by the two upper abutment components and the two lower abutment components. The two upper testing components are adjusted to a preset position by the two moving components. The upper testing components are then activated to test the two car tailgate trims and output the test data. This solves the problem of low efficiency in existing testing methods.

[0029] Furthermore, the moving component includes a slide rail 3, a slider 4, and a fixing rod 5. The slide rail 3 is fixedly connected to the mounting bracket 2 and is located on the mounting bracket 2. The slider 4 is slidably connected to the slide rail 3 and is located on the slide rail 3. The fixing rod 5 is threadedly connected to the slider 4 and passes through the slide rail 3.

[0030] In this embodiment, the slide rail 3 provides the installation conditions for the slider 4. The movement of the slider 4 can drive the upper detection component to move. When the fixing rod 5 is rotated and moves into the fixing hole on the slide rail 3, the slider 4 can be fixed.

[0031] Furthermore, the upper detection component includes a movable frame 6 and multiple detection modules 7. The movable frame 6 is fixedly connected to the slider 4 and is located on one side of the slider 4. The multiple detection modules 7 are all installed on the movable frame 6.

[0032] In this embodiment, the movable frame 6 provides installation conditions for the plurality of detection modules 7;

[0033] The detection module 7 includes a laser scanning unit 71, an image acquisition unit 72, and a data processing unit 73;

[0034] The laser scanning unit 71 integrates a high-precision line laser sensor, which is used to perform three-dimensional contour scanning on the surface of the workpiece and obtain geometric tolerance data.

[0035] The image acquisition unit 72 uses an industrial camera in conjunction with a ring light source to capture surface scratches, color differences and other appearance defects.

[0036] The data processing unit 73 compares the scanned data with the CAD model based on the built-in algorithm and outputs a dimensional deviation analysis report.

[0037] Furthermore, the detection mechanism also includes a second detection module 8 and two side detection modules 9. The second detection module 8 is installed on the side of the mounting frame 2 near the slide rail 3, and the two side detection modules 9 are respectively installed on one side of the mounting frame 2.

[0038] In this embodiment, the detection module 2 8 includes a contact sensor unit 81 and an infrared ranging unit 82;

[0039] The contact sensor unit 81 includes a telescopic probe array for measuring the gap between the workpiece sidewalls and the alignment of the assembly holes.

[0040] The infrared ranging unit 82 determines warping deformation by reflecting signals.

[0041] The side detection module 9 includes a visual positioning unit 91 and a pressure feedback unit 92;

[0042] The visual positioning unit 91 captures the edge feature points of the workpiece in real time through a dual-camera system and calculates the offset from the preset coordinate system using a machine vision algorithm.

[0043] The pressure feedback unit 92 is equipped with a piezoelectric force sensor to detect the contact pressure distribution on the assembly surface and determine the uniformity of the sealing strip fit.

[0044] Furthermore, the upper abutment assembly includes a second slide rail 10, a second slider 11, a second fixing rod 12, and abutment head 13. The second slide rail 10 is fixedly connected to the mounting frame 2 and is located on the mounting frame 2. The second slider 11 is slidably connected to the second slide rail 10 and is located on the second slide rail 10. The second fixing rod 12 is threadedly connected to the second slider 11 and passes through the second slider 11. The abutment head 13 is fixedly connected to the second slider 11 and is located on the second slider 11.

[0045] In this embodiment, the slide rail 2 10 provides installation conditions for the slider 2 11. By moving the slider 2 11, the abutment head 13 can be moved. The abutment head 13 can abut and limit the car tailgate trim piece to be tested. When the fixing rod 2 12 is rotated and moves into the fixing hole on the slide rail 2 10, it can limit the slider 2 11.

[0046] Furthermore, the lower abutment assembly includes a slide rail 14, a slider 15, a fixing rod 16, multiple positioning pins 17, and a cutting edge 18. The slide rail 14 is fixedly connected to the mounting bracket 2 and is located on one side of the mounting bracket 2. The slider 15 is slidably connected to the slide rail 14 and is located on the slide rail 14. The fixing rod 16 is threadedly connected to the slider 15 and passes through the slider 15. The multiple positioning pins 17 are inserted into the mounting bracket 2, and the cutting edge 18 is installed on the slider 15.

[0047] In this embodiment, the slide rail 3 14 provides the installation conditions for the slider 3 15. By moving the slider 3 15, the cutting blade 18 can be moved. The gap position of the cutting blade 18 can be detected by a go / no-go gauge. When the fixing rod 3 16 is rotated and moves into the fixing hole on the slide rail 3 14, the slider 3 15 can be limited. By passing through the positioning holes of the car tailgate trim piece and inserting it into the mounting bracket 2, the car tailgate trim piece can be fixed and limited.

[0048] Please see Figure 5 Secondly, a method for inspecting an automotive tailgate trim assembly, using the inspection fixture for the automotive tailgate trim assembly described in the first aspect, includes the following steps:

[0049] S1 places two car tailgate trim pieces to be tested on two testing mechanisms and fixes the two car tailgate trim pieces to be tested by two upper abutment components and two lower abutment components;

[0050] Specifically, two car tailgate trim pieces to be tested are placed on the mounting bracket 2. The second slider 11 is moved, which drives the abutment head 13 to move closer to the car tailgate trim piece until the abutment head 13 contacts and fixes it. The third slider 15 is slid, which drives the cross-section blade 18 to move closer to the car tailgate trim piece to fix it. The third fixing rod 16 is rotated to fix the car tailgate trim piece, and multiple positioning pins 17 are inserted through the car tailgate trim piece into the mounting bracket 2.

[0051] S2 adjusts the two upper detection components to preset positions using two moving components;

[0052] Specifically, the slider 4 is moved, which drives the multiple detection modules 7 on the moving frame 6 to move towards the side closer to the car tailgate trim until the multiple detection modules 7 move to the preset position. Then, the fixing rod 5 is rotated to fix the slider 4.

[0053] The S3 system, consisting of detection module 7, detection module 8, and two side detection modules 9, performs detection on the two tailgate trim pieces of the car to be inspected and outputs the detection data.

[0054] Specifically, the laser scanning unit 71 integrates a high-precision line laser sensor for three-dimensional contour scanning of the workpiece surface to acquire geometric tolerance data; the image acquisition unit 72 uses an industrial camera with a ring light source to capture surface scratches, color differences, and other appearance defects; the data processing unit 73 compares the scanned data with the CAD model based on a built-in algorithm and outputs a dimensional deviation analysis report. The contact sensor unit 81 includes a telescopic probe array to measure the gap between the workpiece sidewalls and the alignment of the assembly holes; the infrared ranging unit 82 determines warping deformation through reflected signals. The visual positioning unit 91 captures the edge feature points of the workpiece in real time through a dual-camera system and calculates the offset from the preset coordinate system using machine vision algorithms; the pressure feedback unit 92 is equipped with a piezoelectric force sensor to detect the contact pressure distribution on the assembly surface and determine the uniformity of the sealing strip's fit.

[0055] The above-disclosed embodiment is merely a preferred embodiment of a testing fixture for an automotive tailgate trim assembly according to the present invention. Of course, it should not be construed as limiting the scope of the present invention. Those skilled in the art can understand that implementing all or part of the above-described embodiments and making equivalent changes according to the claims of the present invention still fall within the scope of the present invention.

Claims

1. A testing fixture for an automotive tailgate trim assembly, characterized in that, It includes a testing station and two testing mechanisms, each testing mechanism comprising a mounting frame, a moving component, an upper testing component, an upper supporting component, and a lower supporting component; The mounting bracket is fixedly connected to the testing table and located on the testing table. The movable component is mounted on the mounting bracket, the upper testing component is mounted on the movable component, the upper abutment component is mounted on the side of the mounting bracket near the movable component, and the lower abutment component is mounted on the mounting bracket.

2. The inspection fixture for the automotive tailgate trim assembly as described in claim 1, characterized in that, The moving component includes a slide rail, a slider, and a fixing rod. The slide rail is fixedly connected to the mounting bracket and is located on the mounting bracket. The slider is slidably connected to the slide rail and is located on the slide rail. The fixing rod is threadedly connected to the slider and passes through the slide rail.

3. The inspection fixture for the automotive tailgate trim assembly as described in claim 2, characterized in that, The upper detection component includes a movable frame and multiple detection modules. The movable frame is fixedly connected to a slider and is located on one side of the slider. The multiple detection modules are all mounted on the movable frame.

4. The inspection fixture for the automotive tailgate trim assembly as described in claim 2, characterized in that, The testing mechanism also includes a second testing module and two side testing modules. The second testing module is installed on the side of the mounting frame near the first slide rail, and the two side testing modules are respectively installed on one side of the mounting frame.

5. The inspection fixture for the automotive tailgate trim assembly as described in claim 1, characterized in that, The upper abutment assembly includes a second slide rail, a second slider, a second fixing rod, and a abutment head. The second slide rail is fixedly connected to the mounting bracket and is located on the mounting bracket. The second slider is slidably connected to the second slide rail and is located on the second slide rail. The second fixing rod is threadedly connected to the second slider and passes through the second slider. The abutment head is fixedly connected to the second slider and is located on the second slider.

6. The inspection fixture for the automotive tailgate trim assembly as described in claim 1, characterized in that, The lower abutment assembly includes a slide rail three, a slider three, a fixing rod three, multiple positioning pins, and a cutting edge. The slide rail three is fixedly connected to the mounting bracket and is located on one side of the mounting bracket. The slider three is slidably connected to the slide rail three and is located on the slide rail three. The fixing rod three is threadedly connected to the slider three and passes through the slider three. The multiple positioning pins are inserted into the mounting bracket, and the cutting edge is installed on the slider three.

Images