Automobile door trim panel detection placing rack, detection system and method
By designing a detection and placement rack including motor, worm, worm gear and mobile components, combined with data acquisition and analysis modules, automatic clamping and intelligent detection of the interior panel of the car door is realized, solving the problem of low efficiency of traditional detection methods and improving detection accuracy and production management efficiency.
Patent Information
- Application Number
- CN202510625645.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-15
- Publication Date
- 2025-07-29
AI Technical Summary
The traditional car door interior panel inspection methods are inefficient, have large errors and poor consistency, making it difficult to meet the high standards of modern automobile manufacturing.
A car door interior panel detection and placement rack is designed, using motors, worms, worm gears and mobile components to work together to achieve automatic clamping and positioning, and is equipped with data acquisition, analysis and alarm modules for intelligent inspection.
It improves detection efficiency and accuracy, reduces manual operation time and error, ensures the accuracy and reliability of detection results, reduces production costs, and optimizes production management.
Smart Images

Figure CN120382455A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of interior trim panel detection, and particularly to a detection placing rack, a detection system and a detection method for an automotive door interior trim panel. Background Art
[0002] During the automotive manufacturing process, as an important interior component, the dimensional accuracy of the door interior trim panel directly affects the appearance quality and assembly performance of the whole vehicle. With the rapid development of the automotive industry, the production of door interior trim panels is gradually moving towards large-scale, high-precision and high-efficiency development.
[0003] Traditional detection methods rely on manual measurement and single gauges, which have problems such as low efficiency, large errors and poor consistency, and are difficult to meet the high standards of modern automotive manufacturing. Summary of the Invention
[0004] The purpose of the present invention is to provide a detection placing rack, a detection system and a detection method for an automotive door interior trim panel, aiming to solve the problem of low efficiency of existing traditional detection methods.
[0005] To achieve the above object, in the first aspect, the present invention provides a detection placing rack for an automotive door interior trim panel, including a workbench, two chassis, a motor, a worm, two worm wheels, two moving components, a plurality of electric push rods and a plurality of clamping plates; the two chassis are respectively installed on the workbench, the motor is fixedly connected to the workbench and is located inside the workbench, the worm is fixedly connected to the output end of the motor and is rotatably connected to the workbench, the two worm wheels are respectively meshed with the worm and are respectively rotatably connected to the workbench, the two moving components are respectively installed between the two worm wheels and the workbench, the plurality of electric push rods are respectively installed on the two moving plates, and the plurality of clamping plates are respectively fixedly connected to the output ends of the plurality of electric push rods.
[0006] Wherein, the workbench has a plurality of moving wheels and a plurality of limiting pieces, the plurality of moving wheels are respectively rotatably connected to the workbench and are all located at the bottom of the workbench, and the plurality of limiting pieces are respectively installed on one side of the workbench close to the moving wheels.
[0007] Wherein, the moving component includes a bidirectional screw rod, two sleeves and two moving plates, the bidirectional screw rod is fixedly connected to the worm wheel and is rotatably connected to the workbench, the two sleeves are respectively threadedly connected to the bidirectional screw rod and are respectively located on the bidirectional screw rod, and the two moving plates are respectively fixedly connected to the two sleeves and are respectively fixedly connected to the two electric push rods.
[0008] Wherein, the moving component further includes a guide rail and two guide blocks. The guide rail is fixedly connected to the workbench and is located inside the workbench. The two guide blocks are respectively slidably connected to the guide rail and are respectively fixedly connected to the two sleeves, and are both located between the sleeve and the guide rail.
[0009] Wherein, the moving component further includes two guide rods and two limit blocks. The two guide rods are respectively slidably connected to the two moving plates and are respectively fixedly connected to the two clamping plates. The two limit blocks are respectively fixedly connected to the two guide rods and are both located on the side of the guide rod away from the clamping plate.
[0010] In a second aspect, an automobile door interior trim panel detection system is used for the automobile door interior trim panel detection placement rack described in the first aspect.
[0011] It includes a data acquisition module, a data analysis module, a report generation module and an alarm module. The data acquisition module is connected to the data analysis module, and the report generation module and the alarm module are respectively connected to the data analysis module.
[0012] The data acquisition module is used to acquire the size data of the door interior trim panel.
[0013] The data analysis module performs comparative analysis on the size data based on preset qualified data to obtain analysis data.
[0014] The report generation module generates a report based on the analysis data.
[0015] The alarm module issues an abnormal alarm based on the analysis data.
[0016] In a third aspect, an automobile door interior trim panel detection method is used for the automobile door interior trim panel detection system described in the second aspect, and includes the following steps:
[0017] Acquire the size data of the door interior trim panel.
[0018] Perform comparative analysis on the size data based on preset qualified data to obtain analysis data.
[0019] Generate a report based on the analysis data and issue an abnormal alarm.
[0020] A detection and placement rack for an automobile door interior trim panel according to the present invention. When it is necessary to detect the door interior trim panel, the two door interior trim panels to be detected are respectively placed on the two bottom frames, and the motor is started. The motor drives the worm to rotate, and the worm drives the two worm wheels to rotate. The two worm wheels respectively drive the two moving components to approach each other. The two moving components drive the clamping plates on the plurality of electric push rods to approach each other. After the plurality of electric push rods move to the preset positions, the plurality of electric push rods work to drive the plurality of clamping plates to move to the preset height to clamp the door interior trim panel to be detected on the bottom frame. At this time, the door interior trim panel can be detected by the detection system, thus solving the problem of low efficiency of the existing traditional detection method. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.
[0022] Figure 1 FIG. 1 is a schematic structural diagram of a detection and placement rack for an automobile door interior trim panel provided by the present invention.
[0023] Figure 2 FIG. 2 is a cross-sectional view of a detection and placement rack for an automobile door interior trim panel provided by the present invention along the direction of the worm wheel.
[0024] Figure 3 FIG. 3 is a cross-sectional view of a detection and placement rack for an automobile door interior trim panel provided by the present invention along the direction of the bidirectional screw.
[0025] Figure 4 FIG. 4 is a schematic diagram of a detection system for an automobile door interior trim panel provided by the present invention.
[0026] Figure 5 FIG. 5 is a flowchart of a detection method for an automobile door interior trim panel provided by the present invention.
[0027] In the figure: 1 - workbench, 2 - bottom frame, 3 - motor, 4 - worm, 5 - worm wheel, 6 - electric push rod, 7 - clamping plate, 8 - moving wheel, 9 - limiting piece, 10 - bidirectional screw, 11 - sleeve, 12 - moving plate, 13 - guide rail, 14 - guiding block, 15 - guide rod, 16 - limiting block;
[0028] 101 - data acquisition module, 102 - data analysis module, 103 - report generation module, 104 - alarm module. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0029] Embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, where like or similar reference numerals denote like or similar elements or elements having like or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0030] Please refer to Figures 1 to 3 , in a first aspect, the present invention provides a detection and placement rack for an automotive door interior trim panel, including a workbench 1, two chassis 2, a motor 3, a worm 4, two worm wheels 5, two moving components, a plurality of electric push rods 6 and a plurality of clamping plates 7; the two chassis 2 are respectively installed on the workbench 1, the motor 3 is fixedly connected to the workbench 1 and is located inside the workbench 1, the worm 4 is fixedly connected to the output end of the motor 3 and is rotatably connected to the workbench 1, the two worm wheels 5 are respectively meshed with the worm 4 and are respectively rotatably connected to the workbench 1, the two moving components are respectively installed between the two worm wheels 5 and the workbench 1, the plurality of electric push rods 6 are respectively installed on the two moving plates 12, and the plurality of clamping plates 7 are respectively fixedly connected to the output ends of the plurality of electric push rods 6.
[0031] In this embodiment, when it is necessary to detect the door interior trim panel, the two door interior trim panels to be detected are respectively placed on the two chassis 2, the motor 3 is started, the motor 3 works to drive the worm 4 to rotate, the worm 4 drives the two worm wheels 5 to rotate, the two worm wheels 5 respectively drive the two moving components to approach each other, the two moving components drive the plurality of clamping plates 7 on the plurality of electric push rods 6 to approach each other. After the plurality of electric push rods 6 move to a preset position, the plurality of electric push rods 6 work to drive the plurality of clamping plates 7 to move to a preset height to clamp the door interior trim panel to be detected on the chassis 2. At this time, the door interior trim panel can be detected by the detection system, thus solving the problem of low efficiency of the existing traditional detection method.
[0032] Furthermore, the workbench 1 has a plurality of moving wheels 8 and a plurality of limiting pieces 9. The plurality of moving wheels 8 are respectively rotatably connected to the workbench 1 and are all located at the bottom of the workbench 1, and the plurality of limiting pieces 9 are respectively installed on one side of the workbench 1 close to the moving wheels 8.
[0033] In this embodiment, the plurality of limiting pieces 9 can limit the plurality of moving wheels 8, and the plurality of moving wheels 8 can drive the processing table to move.
[0034] Further, the moving assembly includes a bidirectional screw 10, two sleeves 11 and two moving plates 12. The bidirectional screw 10 is fixedly connected to the worm gear 5 and rotatably connected to the workbench 1. The two sleeves 11 are respectively threadedly connected to the bidirectional screw 10 and are respectively located on the bidirectional screw 10. The two moving plates 12 are respectively fixedly connected to the two sleeves 11 and are respectively fixedly connected to the two electric push rods 6.
[0035] In this embodiment, the rotation of the bidirectional screw 10 can drive the two sleeves 11 to approach or move away from each other. The movement of the two sleeves 11 can drive the two moving plates 12 to move, and the movement of the two moving plates 12 can drive the clamping plate 7 on the electric push rod 6 to move.
[0036] Further, the moving assembly further includes a guide rail 13 and two guide blocks 14. The guide rail 13 is fixedly connected to the workbench 1 and is located inside the workbench 1. The two guide blocks 14 are respectively slidably connected to the guide rail 13 and are respectively fixedly connected to the two sleeves 11, and are both located between the sleeve 11 and the guide rail 13.
[0037] In this embodiment, the guide rail 13 provides an installation condition for the sleeve 11. The sleeve 11 can be guided and limited through the guide block 14, improving the stability of the sleeve 11 during movement.
[0038] Further, the moving assembly further includes two guide rods 15 and two limit blocks 16. The two guide rods 15 are respectively slidably connected to the two moving plates 12 and are respectively fixedly connected to the two clamping plates 7. The two limit blocks 16 are respectively fixedly connected to the two guide rods 15 and are both located on the side of the guide rod 15 away from the clamping plate 7.
[0039] In this embodiment, when the clamping plate 7 moves, it drives the two guide rods 15 to move. The two guide rods 15 can guide the clamping plate 7, and the two limit blocks 16 can limit the two guide rods 15 to prevent the two guide rods 15 from moving out of the preset range.
[0040] Please refer to Figure 4 , Second aspect, an interior panel detection system for an automobile door, used for the interior panel detection placement rack of the automobile door described in the first aspect.
[0041] It includes a data acquisition module 101, a data analysis module 102, a report generation module 103 and an alarm module 104. The data acquisition module 102 is connected to the data analysis module 102, and the report generation module 103 and the alarm module 104 are respectively connected to the data analysis module 102;
[0042] The data acquisition module 101 is used to acquire the dimensional data of the door interior trim panel;
[0043] The data analysis module 102 performs comparative analysis on the dimensional data based on preset qualified data to obtain analysis data;
[0044] The report generation module 103 generates a report based on the analysis data;
[0045] The alarm module 104 issues an abnormal alarm based on the analysis data.
[0046] In this embodiment, the data acquisition module 101 acquires the dimensional data of the door interior trim panel, and the dimensional data includes key parameters such as the aperture, spatial dimension, and edge distance of the door interior trim panel;
[0047] The data analysis module 102 performs comparative analysis on the dimensional data based on preset qualified data to obtain analysis data; Comparative analysis algorithm: For each detection point, calculate the deviation value between the acquired data and the preset qualified data: Δ = ∣D 预设 , 预设 , 采集 , 采集 -D 预设 ∣
[0048] where D 采集 is the acquired data, and D 预设 is the preset qualified data. Determine whether the deviation value is within the allowable tolerance range: Δ ≤ T, where T is the allowable tolerance.
[0049] Calculate the qualified rate of the batch of products:
[0050]
[0051] Perform normal distribution analysis on the detection data to evaluate the stability of the production process.
[0052] The report generation module 103 generates a report based on the analysis data; The alarm module 104 issues an abnormal alarm based on the analysis data. Use database technology to store the detection data, supporting fast query and export. Use a report generation tool to generate a visual report, and the report includes single-piece detection results, batch statistical information, and trend analysis charts; The single-piece detection results include detection point data, deviation values, qualified status, etc. The batch statistical information includes the qualified rate, unqualified reason distribution, etc. The trend analysis charts include dimensional deviation trends, production process stability analysis, etc.
[0053] Perform comparative analysis on the acquired dimensional data based on preset qualified data to determine whether the product is qualified. Set an alarm threshold, and trigger an alarm when the deviation value exceeds the allowable tolerance range. The alarm is issued through an audible and visual alarm, SMS notification, or system pop-up window, etc.
[0054] Please refer to Figure 5 , thirdly, a method for detecting an interior door panel of an automobile, which is used for the automobile interior door panel detection system described in the second aspect, includes the following steps:
[0055] S1 Collect the dimensional data of the interior door panel;
[0056] Specifically, the data acquisition module 101 collects the dimensional data of the interior door panel, and the dimensional data includes key parameters such as the aperture, spatial dimension, and edge distance of the interior door panel.
[0057] S2 Perform a comparative analysis on the dimensional data based on preset qualified data to obtain analysis data;
[0058] Specifically, the data analysis module 102 performs a comparative analysis on the dimensional data based on preset qualified data to obtain analysis data; Comparative analysis algorithm: For each detection point, calculate the deviation value between the collected data and the preset qualified data: Δ = ∣D 采集 -D 预设 ∣
[0059] where D 采集 is the collected data, and D 预设 is the preset qualified data. Determine whether the deviation value is within the allowable tolerance range: Δ ≤ T, where T is the allowable tolerance.
[0060] Calculate the pass rate of the batch of products:
[0061]
[0062] Perform a normal distribution analysis on the detection data to evaluate the stability of the production process.
[0063] S3 Generate a report based on the analysis data and issue an abnormal alarm.
[0064] Specifically, the report generation module 103 generates a report based on the analysis data; the alarm module 104 issues an abnormal alarm based on the analysis data. Use database technology to store the detection data, support quick query and export. Use a report generation tool to generate a visual report. The report includes single-piece detection results, batch statistical information, and trend analysis charts; the single-piece detection results include detection point data, deviation values, qualified status, etc. The batch statistical information includes pass rate, unqualified reason distribution, etc. The trend analysis charts include dimensional deviation trends, production process stability analysis, etc.
[0065] Beneficial effects:
[0066] I. Improve detection efficiency: Through the collaborative work of the motor, worm, worm gear, and moving component, automatic clamping and positioning of the door interior trim panel are achieved, reducing the time and labor intensity of manual operation. Two chassis and multiple clamping plates are designed to detect two door interior trim panels simultaneously, significantly improving the detection efficiency and being applicable to mass production scenarios.
[0067] II. Enhance detection accuracy: The bidirectional screw, sleeve, and guide rod in the moving component ensure the precise movement of the clamping plate, avoiding positioning errors in manual operation. The cooperative design of the electric push rod and the clamping plate can stably clamp the door interior trim panel, preventing measurement errors caused by vibration or displacement during the detection process.
[0068] III. Strengthen system intelligence: The data acquisition module and data analysis module in the detection system achieve real-time acquisition and intelligent analysis of the dimensions of the door interior trim panel, ensuring the accuracy and reliability of the detection results. The alarm module can promptly detect and feedback abnormal data, facilitating rapid adjustment of the production process and reducing the generation of unqualified products.
[0069] IV. Optimize production management: The report generation module generates detailed detection reports based on the detection data, providing data support for production management and quality control, and facilitating traceability and analysis. The standardized design of the detection method ensures that the steps and standards of each detection are consistent, improving the controllability and consistency of the production process.
[0070] V. Reduce production costs: Automatic detection and intelligent analysis reduce the dependence on manual detection and lower the labor cost. Through precise detection and timely alarm, material waste caused by unqualified dimensions is reduced, further lowering the production cost.
[0071] The above-disclosed is only a preferred embodiment of a detection and placement rack, detection system, and method for an automotive door interior trim panel of the present invention. Of course, it cannot be used to limit the scope of the rights of the present invention. Those of ordinary skill in the art can understand all or part of the processes of implementing the above embodiments, and the equivalent changes made according to the claims of the present invention still fall within the scope covered by the invention.
Claims
1. An inspection and placement rack for an automobile door interior trim panel, characterized in that it includes a workbench, two chassis, a motor, a worm, two worm wheels, two moving components, a plurality of electric push rods and a plurality of clamping plates; The two chassis are respectively installed on the workbench, the motor is fixedly connected to the workbench and is located inside the workbench, the worm is fixedly connected to the output end of the motor and is rotationally connected to the workbench, the two worm wheels are respectively meshed with the worm and are respectively rotationally connected to the workbench, the two moving components are respectively installed between the two worm wheels and the workbench, the plurality of electric push rods are respectively installed on the two moving plates, and the plurality of clamping plates are respectively fixedly connected to the output ends of the plurality of electric push rods.
2. The inspection and placement rack for an automobile door interior trim panel according to claim 1, characterized in that the workbench has a plurality of moving wheels and a plurality of limit pieces, the plurality of moving wheels are respectively rotationally connected to the workbench and are all located at the bottom of the workbench, and the plurality of limit pieces are respectively installed on one side of the workbench close to the moving wheels.
3. The inspection and placement rack for an automobile door interior trim panel according to claim 1, characterized in that the moving component includes a bidirectional screw rod, two sleeves and two moving plates, the bidirectional screw rod is fixedly connected to the worm wheel and is rotationally connected to the workbench, the two sleeves are respectively threadedly connected to the bidirectional screw rod and are respectively located on the bidirectional screw rod, the two moving plates are respectively fixedly connected to the two sleeves and are respectively fixedly connected to the two electric push rods.
4. The inspection and placement rack for an automobile door interior trim panel according to claim 3, characterized in that the moving component further includes a guide rail and two guide blocks, the guide rail is fixedly connected to the workbench and is located inside the workbench, the two guide blocks are respectively slidably connected to the guide rail and are respectively fixedly connected to the two sleeves and are both located between the sleeve and the guide rail.
5. The inspection and placement rack for an automobile door interior trim panel according to claim 3, characterized in that the moving component further includes two guide rods and two limit blocks, the two guide rods are respectively slidably connected to the two moving plates and are respectively fixedly connected to the two clamping plates, and the two limit blocks are respectively fixedly connected to the two guide rods and are both located on the side of the guide rod away from the clamping plate.
6. An inspection system for an automobile door interior trim panel, which is used for the inspection and placement rack for an automobile door interior trim panel according to any one of claims 1-5, characterized in that it includes a data acquisition module, a data analysis module, a report generation module and an alarm module, the data acquisition module is connected to the data analysis module, and the report generation module and the alarm module are respectively connected to the data analysis module; the data acquisition module is used to acquire the dimension data of the door interior trim panel; the data analysis module performs comparative analysis on the dimension data based on preset qualified data to obtain analysis data; the report generation module generates a report based on the analysis data; the alarm module issues an abnormal alarm based on the analysis data.
7. A method for detecting an inner trim panel of an automobile door, which is used for the automobile door inner trim panel detection system according to claim 6, and is characterized in that It includes the following steps: Collect the dimensional data of the car door interior panel; Conduct a comparative analysis on the dimensional data based on the preset qualified data to obtain analysis data; Generate a report based on the analysis data and issue an abnormal warning.