Robot Weather Strip Assembly With Vision-Guided Flange Fitting
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Solution Overview
Problem
Conventional manual installation of weather strips on vehicle bodies is time-consuming, inefficient, and prone to uneven quality, leading to musculoskeletal disorders and fatigue among workers.
Innovation Solution
An apparatus comprising a weather strip mounting gripper and a robot, equipped with a vision system, a guide part, and an assembly part, which automates the fitting and quality inspection of weather strips to a vehicle's chassis flange, using a 2D camera and laser vision sensor for precise alignment and a pressure roller for secure attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual installation of weather strips is used, then workers can perform the installation, but the work time is long and productivity is low
Solution Approach 1:
The patent replaces the manual mechanical installation process with an automated robot system equipped with a specialized gripper. The robot automatically grasps the weather strip, positions it along the chassis flange, and presses it into place, eliminating manual labor and significantly increasing installation speed while reducing work time.
Solution Approach 2:
The weather strip installation system is designed to be self-sufficient through the integrated robot-gripper-vision system. The apparatus autonomously performs detection, positioning, grasping, and installation without requiring human intervention during the process, thereby maximizing productivity and minimizing work time.
2Manufacturing precision
If manual installation of weather strips is used, then workers can perform the installation, but the work quality is uneven
Solution Approach 1:
The patent replaces manual installation operations with an automated robot system that executes precise, repeatable motions. The robot-controlled gripper applies consistent pressing force and maintains uniform positioning along the chassis flange, eliminating the variability and inconsistency inherent in manual installation processes.
Solution Approach 2:
The vision system continuously monitors the installation process, detecting the position of the weather strip and the chassis flange geometry in real-time. This feedback information is used by the control system to adjust the gripper's positioning and pressing force dynamically, ensuring consistent high-quality installation throughout the entire process.
3Ease of manufacture
If manual installation of weather strips is used, then workers can perform the installation, but workers experience musculoskeletal disorders and fatigue
Solution Approach 1:
The patent replaces manual labor with an automated robot system that performs all installation operations. The robot assumes the physically demanding tasks of grasping, positioning, and pressing the weather strip, completely eliminating exposure to musculoskeletal disorders and fatigue while achieving high-level automation.
Solution Approach 2:
The installation system is fully automated and self-executing, requiring no human physical involvement during the installation process. The robot-gripper-vision system operates autonomously to complete the entire installation sequence, thereby protecting worker health while maximizing automation extent.
4Productivity
If a robot system is used for automatic assembly, then productivity is improved, but the device complexity increases
Solution Approach 1:
The patent integrates the robot, specialized gripper, and vision system into a unified automated installation apparatus. By merging these components into a coordinated system, the patent achieves high productivity through automation while managing complexity through functional integration rather than separate independent systems.
Solution Approach 2:
The robot system is designed with multi-functional capabilities, serving as the central platform for detection, positioning, grasping, and installation operations. This universal approach consolidates multiple functions into a single integrated system, improving productivity while controlling overall device complexity through functional consolidation.
Data Source
AI summary
Proposed are an apparatus and a method for automatic assembly of a weather strip, wherein both the work of fitting a weather strip (20) to a chassis flange (10) constituting a vehicle body and the work of quality inspection for inspecting the fitted state of the weather strip (20) are automated, thereby contributing to work efficiency improvement and quality enhancement.


