Portable Device Disassembly Modules for Adhesive Bond Separation
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Solution Overview
Problem
Manual disassembly of portable electronic devices is inefficient, inexact, and poses safety risks due to the complexity and hazardous materials involved, such as heavy metals, making large-scale recycling challenging and environmentally unsustainable.
Innovation Solution
A modular, computer-controlled automated system that includes modules for specific disassembly tasks, using a movable arm to weaken adhesive bonds and detach components, with cooling and detachment elements to safely separate recyclable materials from hazardous ones.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual disassembly techniques are used, then flexibility and adaptability are maintained, but productivity is low and safety risks increase due to hazardous materials
Solution Approach 1:
The automated disassembly system is divided into multiple specialized modules: a housing opening module that separates the display assembly from the housing, and an electronic component removal module that extracts components from the housing. This segmentation allows each module to be optimized for specific tasks, improving overall productivity while containing hazardous materials within controlled operational zones.
Solution Approach 2:
The system introduces automated robotic manipulators and specialized tools as intermediaries between the operator and the electronic device. These intermediaries handle hazardous materials and perform disassembly operations, reducing direct human exposure to harmful factors while maintaining high productivity through automated precision operations.
2Productivity
If automated disassembly systems are implemented, then productivity and precision are improved, but device complexity increases
Solution Approach 1:
The complex automated disassembly system is broken down into separate, functionally distinct modules: a housing opening module with a first robotic manipulator for display separation, and an electronic component removal module with a second robotic manipulator for component extraction. This modular segmentation manages system complexity by allowing each module to be independently designed, controlled, and maintained while achieving high overall productivity.
Solution Approach 2:
The automated disassembly system is designed with universal features that enable it to handle multiple device types and configurations. The robotic manipulators are equipped with interchangeable tools and programmable control systems that can adapt to different device geometries and fastening mechanisms, reducing the need for entirely separate systems for each device type.
3Strength
If adhesive bonds are used to secure components, then manufacturing precision and assembly strength are improved, but disassembly difficulty increases
Solution Approach 1:
The housing opening module performs preliminary actions by applying controlled force to separate the display assembly from the housing before the electronic component removal module operates. This preliminary separation exposes the adhesive-bonded electronic components, allowing the subsequent module to focus specifically on detaching components from the housing, thereby improving overall disassembly productivity despite strong adhesive bonds.
Solution Approach 2:
The system replaces manual mechanical prying and cutting methods with automated robotic manipulators that apply precise, controlled forces to detach adhesive-bonded components. The robotic systems use programmable motion control and force feedback to efficiently overcome adhesive bonds without damaging components, significantly improving productivity compared to manual techniques.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables precise, efficient, and environmentally friendly disassembly of portable electronic devices, increasing the yield of recyclable metals and ensuring safe handling of hazardous materials, facilitating large-scale recycling and reducing environmental impact.
Implementation Method 1
cooling the housing and the electronic component attached thereto to a temperature that is low enough to weaken the adhesive bond
Implementation Method 2
causing the movable arm to rotate about the hinge such that a portion of the housing strikes a detachment element with sufficient force to separate the electronic component from the housing
Data Source
AI summary
According to some embodiments, a method operable by an electronic component recovery system for detaching an electronic component adhesively bonded to a housing by way of an adhesive bond, is described. The electronic component is carried within a cavity defined by the housing of a portable electronic device. The method can include while the housing having the electronic component attached thereto is located at an electronic component detaching module, where the electronic component detaching module includes a movable arm capable of rotating about a hinge: cooling the housing and the electronic component attached thereto to a temperature that is low enough to weaken the adhesive bond, and causing the movable arm to rotate about the hinge such that a portion of the housing strikes a detachment element with sufficient force to separate the electronic component from the housing.