Detection tool and method for automobile back door decorating part assembly

By designing a vehicle back door decoration inspection tooling that includes a detection table and a detection mechanism, the existing detection methods are solved, with low efficiency, large error and poor adaptability, and more efficient and accurate detection effects are achieved.

CN119958642APending Publication Date: 2025-05-09LIUZHOU SHUANGYING CO LTD
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Patent Information

Application Number
CN202510364242.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-26
Publication Date
2025-05-09

AI Technical Summary

Technical Problem

The existing automotive back door decoration detection methods are low efficiency, have large errors, poor adaptability, and are difficult to meet production needs.

Method used

A detection tool for the automotive back door decoration assembly is designed, including a detection table and two detection mechanisms. The detection mechanism consists of a mounting frame, a moving component, an upper detection component, an upper resistor and a lower resistor. The detection component is adjusted to a preset position through the moving component, and a variety of detection modules are used for detection.

Benefits of technology

It improves detection efficiency, reduces errors, enhances detection adaptability, and can more accurately detect car back door decorations, improving yield.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of automobile decoration part detection, in particular to an automobile back door decoration part assembly detection tool and method.The automobile back door decoration part assembly detection tool comprises a detection table and two detection mechanisms, each detection mechanism comprises a mounting frame, a moving assembly, an upper detection assembly, an upper abutting assembly and a lower abutting assembly, and the detection table provides mounting conditions for the two detection mechanisms; 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.
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Description

Technical Field

[0001] The invention relates to the technical field of automobile decorative parts detection, and in particular to a detection tool and method for an automobile back door decorative parts assembly. Background Art

[0002] The car tailgate trim assembly is a key exterior component integrated into the vehicle tailgate, usually including spoilers, license plate decorative covers, taillight decorative frames, rear bumper trims, etc. When producing car tailgate trims, they need to be tested one by one to ensure the yield rate.

[0003] At present, traditional detection methods rely on manual measurement, which has low efficiency and large errors. There is an urgent need to develop automobile tailgate trim assembly detection tooling to break through the technical barriers of low efficiency, large errors and poor adaptability of traditional detection. Summary of the invention

[0004] The object of the present invention is to provide a detection tool and method for an automobile tailgate trim assembly, aiming to solve the problem of low efficiency of existing detection methods.

[0005] To achieve the above-mentioned purpose, in a first aspect, the present invention provides a detection tool for an automobile back door trim assembly.

[0006] It includes a detection platform and two detection mechanisms, wherein the detection mechanism includes a mounting frame, a moving assembly, an upper detection assembly, an upper abutting assembly and a lower abutting assembly;

[0007] The mounting frame is fixedly connected to the detection platform and is located on the detection platform, the moving component is mounted on the mounting frame, the upper detection component is mounted on the moving component, the upper supporting component is mounted on a side of the mounting frame close to the moving component, and the lower supporting component is mounted on the mounting frame.

[0008] Among them, the moving component includes a slide rail, a slider and a fixed rod. The slide rail is fixedly connected to the mounting frame and is located on the mounting frame. 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] Wherein, the upper detection component includes a moving frame and a plurality of detection modules 1, the moving frame is fixedly connected to a slider 1 and is located on one side of the slider 1, and the plurality of detection modules 1 are all installed on the moving frame.

[0010] Wherein, the detection mechanism further includes a detection module 2 and two side detection modules. The detection module 2 is installed on a side of the mounting frame close to the slide rail 1, and the two side detection modules are respectively installed on one side of the mounting frame.

[0011] Among them, the upper supporting assembly includes a second slide rail, a second slider, a second fixing rod and a supporting 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 supporting head is fixedly connected to the second slider and is located on the second slider.

[0012] Among them, the lower supporting assembly includes a slide rail three, a slider three, a fixing rod three, a plurality of positioning pins and a section knife. 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 plurality of positioning pins are inserted into the mounting frame, and the section knife is installed on the slider three.

[0013] In a second aspect, a method for inspecting a car back door trim assembly is provided, which is used for the inspection tool for the car back door trim assembly described in the first aspect, and comprises the following steps:

[0014] Placing two to-be-tested automobile back door trims on two testing mechanisms, and fixing the two to-be-tested automobile back door trims by two upper abutting assemblies and two lower abutting assemblies;

[0015] Adjusting the two upper detection components to a preset position by two moving components;

[0016] Start the detection module 1, the detection module 2 and the two side detection modules to detect the two automobile back door decoration parts to be detected, and output the detection data.

[0017] The present invention provides a testing tool for an automobile back door decoration assembly, wherein the testing platform provides installation conditions for the two testing mechanisms. When the automobile back door decoration needs to be tested, the two automobile back door decorations to be tested are placed on the two testing mechanisms, and the two automobile back door decorations to be tested are fixed by the two upper abutting components and the two lower abutting components; the two upper testing components are adjusted to a preset position by the two moving components; the upper testing components are started to test the two automobile back door decorations to be tested, and the testing data is output. Thus, the problem of low efficiency of the existing testing methods is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 The present invention is a schematic structural diagram of a detection tool for an automobile back door trim assembly provided by the present invention.

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

[0021] Figure 3 It is the second side detection module of the detection module.

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

[0023] Figure 5 The present invention is a flow chart of a method for detecting an automobile back door trim assembly.

[0024] In the figure: 1-testing table, 2-mounting frame, 3-slide rail 1, 4-slider 1, 5-fixed rod 1, 6-movable frame, 7-testing module 1, 8-testing module 2, 9-side test module, 10-slide rail 2, 11-slider 2, 12-fixed rod 2, 13-holding head, 14-slide rail 3, 15-slider 3, 16-fixed rod 3, 17-locating pin, 18-section knife, 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 DESCRIPTION

[0025] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0026] See also Figures 1 to 4 In a first aspect, the present invention provides a detection tool for an automobile back door trim assembly, comprising a detection platform 1 and two detection mechanisms, wherein the detection mechanism comprises a mounting frame 2, a moving assembly, an upper detection assembly, an upper abutting assembly, and a lower abutting assembly;

[0027] The mounting frame 2 is fixedly connected to the detection platform 1 and is located on the detection platform 1, the moving component is mounted on the mounting frame 2, the upper detection component is mounted on the moving component, the upper supporting component is mounted on the side of the mounting frame 2 close to the moving component, and the lower supporting component is mounted on the mounting frame 2.

[0028] In this embodiment, the detection platform 1 provides installation conditions for the two detection mechanisms. When it is necessary to detect the car back door decoration, the two car back door decorations to be detected are placed on the two detection mechanisms, and the two car back door decorations to be detected are fixed by the two upper abutting components and the two lower abutting components; the two upper detection components are adjusted to the preset position by the two moving components; the upper detection components are started to detect the two car back door decorations to be detected, and the detection data is output. This solves the problem of low efficiency of the existing detection method.

[0029] Furthermore, the moving assembly includes a slide rail 3, a slider 4 and a fixing rod 5, the slide rail 3 is fixedly connected to the mounting frame 2 and is located on the mounting frame 2, the slider 4 is slidably connected to the slide rail 3 and is located on the slide rail 3, and 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 installation conditions for the slider 4. The movement of the slider 4 can drive the upper detection component to move, and the fixing rod 5 can be rotated. When the fixing rod 5 moves into the fixing hole on the slide rail 3, the slider 4 can be fixed.

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

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

[0033] The detection module 1 7 includes a laser scanning unit 71, an image acquisition unit 72 and a data processing unit 73;

[0034] The laser scanning unit 71 is integrated with a high-precision line laser sensor for performing three-dimensional contour scanning on the workpiece surface to obtain geometric tolerance data;

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

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

[0037] Furthermore, the detection mechanism also includes a detection module 2 8 and two side detection modules 9. The detection module 2 8 is installed on one side of the mounting frame 2 close to the slide rail 1 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 distance measuring unit 82;

[0039] The contact sensor unit 81 includes a telescopic probe array to measure the workpiece sidewall clearance and assembly hole alignment;

[0040] The infrared distance measuring unit 82 determines the warping deformation through the reflection signal.

[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 in combination with a machine vision algorithm;

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

[0044] Furthermore, the upper supporting assembly includes a second slide rail 10, a second slider 11, a second fixing rod 12 and a supporting 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 supporting 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. The slider 2 11 can be moved to drive the abutting head 13 to move. The abutting head 13 can be used to abut and limit the tailgate trim of the car to be inspected. The fixing rod 2 12 is rotated, and the slider 2 11 can be limited when the fixing rod 2 12 moves into the fixing hole on the slide rail 2 10.

[0046] Furthermore, the lower supporting assembly includes a slide rail three 14, a slider three 15, a fixing rod three 16, a plurality of positioning pins 17 and a section knife 18. The slide rail three 14 is fixedly connected to the mounting frame 2 and is located on one side of the mounting frame 2. The slider three 15 is slidably connected to the slide rail three 14 and is located on the slide rail three 14. The fixing rod three 16 is threadedly connected to the slider three 15 and passes through the slider three 15. The plurality of positioning pins 17 are all inserted into the mounting frame 2, and the section knife 18 is installed on the slider three 15.

[0047] In this embodiment, the slide rail three 14 provides installation conditions for the slider three 15. The section knife 18 can be driven to move by moving the slider three 15. The gap position of the section knife 18 can be detected by a go / no-go gauge. The fixing rod three 16 is rotated. When the fixing rod three 16 moves into the fixing hole on the slide rail three 14, the slider three 15 can be limited. By passing a plurality of positioning pins 17 through the positioning holes of the car tailgate trim and inserting them into the mounting frame 2, the car tailgate trim can be fixed and limited.

[0048] See also Figure 5 In a second aspect, a method for detecting an automobile back door trim assembly is provided, which is used for the detection tooling for the automobile back door trim assembly described in the first aspect, and comprises the following steps:

[0049] S1: placing two to-be-tested automobile back door trims on two testing mechanisms, and fixing the two to-be-tested automobile back door trims by two upper abutting assemblies and two lower abutting assemblies;

[0050] Specifically, two automobile trunk door decorations to be inspected are placed on the mounting frame 2, and the slider 2 11 is moved, and the slider 2 11 drives the supporting head 13 to move toward the side close to the automobile trunk door decoration until the supporting head 13 contacts it and fixes it, and the slider 3 15 is slid, and the slider 3 15 drives the section knife 18 to move toward the side close to the automobile trunk door decoration to fix the automobile trunk door decoration, and the fixing rod 3 16 is rotated, and the fixing rod 3 16 fixes the automobile trunk door decoration, and a plurality of the positioning pins 17 are inserted into the mounting frame 2 through the automobile trunk door decoration.

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

[0052] Specifically, the slider 4 is moved, and the slider 4 drives the multiple detection modules 7 on the movable frame 6 to move to the side close to the car tailgate decoration until the multiple detection modules 7 move to the preset position, and then the fixing rod 5 is rotated to fix the slider 4.

[0053] S3 starts the detection module 1 7, the detection module 2 8 and the two side detection modules 9 to detect the two to-be-detected automobile back door decorations and outputs the detection data.

[0054] Specifically, the laser scanning unit 71 integrates a high-precision line laser sensor to perform three-dimensional contour scanning on the workpiece surface and obtain 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 scanning data with the CAD model based on the built-in algorithm and outputs a dimensional deviation analysis report. The contact sensor unit 81 includes a telescopic probe array to measure the side wall gap of the workpiece and the alignment of the assembly hole; the infrared ranging unit 82 determines the warping deformation through the reflection signal. 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 in combination with the machine vision algorithm; the pressure feedback unit 92 is equipped with a piezoelectric force sensor to detect the contact pressure distribution of the assembly surface and determine the uniformity of the sealing strip fit.

[0055] What is disclosed above is only a preferred embodiment of the detection tooling and method of a car tailgate trim assembly of the present invention. Of course, this cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiments and equivalent changes made according to the claims of the present invention still fall within the scope of the invention.

Claims

1. A detection tool for an automobile back door trim assembly, characterized in that: It includes a detection platform and two detection mechanisms, wherein the detection mechanism includes a mounting frame, a moving assembly, an upper detection assembly, an upper abutting assembly and a lower abutting assembly; The mounting frame is fixedly connected to the detection platform and is located on the detection platform, the moving component is mounted on the mounting frame, the upper detection component is mounted on the moving component, the upper supporting component is mounted on a side of the mounting frame close to the moving component, and the lower supporting component is mounted on the mounting frame.

2. The inspection tool for the automobile back door trim assembly according to claim 1, characterized in that: The moving assembly includes a slide rail 1, a slider 1 and a fixed rod 1. The slide rail 1 is fixedly connected to the mounting frame and is located on the mounting frame. The slider 1 is slidably connected to the slide rail 1 and is located on the slide rail 1. The fixed rod 1 is threadedly connected to the slider 1 and passes through the slide rail 1.

3. The inspection tool for the automobile back door trim assembly according to claim 2, characterized in that: The upper detection assembly includes a moving frame and a plurality of detection modules 1. The moving frame is fixedly connected to a slider 1 and is located on one side of the slider 1. The plurality of detection modules 1 are all installed on the moving frame.

4. The inspection tool for the automobile back door trim assembly according to claim 2, characterized in that: The detection mechanism also includes a detection module 2 and two side detection modules. The detection module 2 is installed on a side of the mounting frame close to the slide rail 1, and the two side detection modules are respectively installed on one side of the mounting frame.

5. The inspection tool for the automobile back door trim assembly according to claim 1, characterized in that: The upper supporting assembly includes a second slide rail, a second slider, a second fixing rod and a supporting 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 supporting head is fixedly connected to the second slider and is located on the second slider.

6. The inspection tool for the automobile back door trim assembly according to claim 1, characterized in that: The lower supporting assembly includes a slide rail three, a slider three, a fixing rod three, a plurality of positioning pins and a section knife. 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 plurality of positioning pins are inserted into the mounting frame, and the section knife is installed on the slider three.

7. A method for inspecting an automobile back door trim assembly, used for the inspection tool for the automobile back door trim assembly according to any one of claims 1 to 6, characterized in that: The following steps are involved: Placing two to-be-tested automobile back door trims on two testing mechanisms, and fixing the two to-be-tested automobile back door trims by two upper abutting assemblies and two lower abutting assemblies; Adjusting the two upper detection components to a preset position by two moving components; Start the detection module 1, the detection module 2 and the two side detection modules to detect the two automobile back door decoration parts to be detected, and output the detection data.