Vertical Shredder Tool for Heterogeneous Container Opening
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Solution Overview
Problem
Existing devices for opening household refuse containers are prone to frequent failures due to heterogeneous materials, high maintenance costs, and inefficiencies in handling materials of varying sizes and strengths, leading to incomplete processing and safety risks.
Innovation Solution
A device with a vertically oriented shredder tool mounted on a guide support, allowing it to move away from its reference position when encountering large or strong containers, and an adjustable shredder channel to accommodate different sizes, reducing jamming and energy consumption, while being designed for robustness and low maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a horizontal conveyor with a rotary cylinder is used to open containers, then the device can process materials continuously, but the device is prone to frequent failures and high maintenance costs due to heterogeneous materials damaging the rotary cylinder and drive elements
Solution Approach 1:
The shredder tool is made movable rather than fixed, allowing it to adapt its position dynamically. The tool can move away from its reference position when encountering large or strong containers that would otherwise damage the device, while return means automatically bring it back to the reference position when the path is clear, thus preventing damage while maintaining continuous operation
Solution Approach 2:
The device separates the shredder tool from the fixed structure by introducing a guide support and return means system. This segmentation allows the tool to move independently, isolating it from damage to the main device structure and drive elements, thereby reducing failure rates while maintaining productivity
2Productivity
If the shredder channel has a fixed size, then the device structure is simple, but it cannot accommodate containers of varying sizes efficiently, leading to incomplete processing and jamming
Solution Approach 1:
The shredder channel size is made dynamic through the movable shredder tool. As the tool moves away from its reference position, the channel size changes to accommodate larger containers. This dynamic adjustment enables complete processing of heterogeneous containers without requiring complex adjustable mechanisms, maintaining structural simplicity while improving processing effectiveness
3Reliability
If the shredder tool is fixed in position, then the device structure is simple and robust, but it cannot adapt to large or strong containers, leading to frequent damage and safety risks
Solution Approach 1:
The shredder tool mounting mechanism transitions from a fixed connection to a movable connection with guide support and return means. This dynamic mounting allows the tool to move away from damaging positions when encountering strong containers, significantly improving damage resistance. The added complexity is minimal, involving only guide support structure and return means, while providing substantial reliability improvement
Solution Approach 2:
The guide support and return means act as a cushioning mechanism that prepares the shredder tool for potential damage scenarios. Before damage can occur to the main device, the movable tool can shift position to avoid contact with oversized or strong containers, preventing damage proactively rather than reacting to it
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
The device effectively opens containers of varying sizes and strengths, reduces jamming and maintenance needs, and operates safely with low energy consumption, ensuring efficient processing of household refuse.
Implementation Method 1
a shredder tool that is rotatably mounted about a vertical axis within the enclosure, the shredder tool, while it is in rotation, being suitable for causing containers traveling through the enclosure to open when it comes into contact with said containers
Data Source
AI summary
The invention relates to a device (1) for opening containers (C), the device comprising:an enclosure (2) having an inlet (3) for admitting containers (C), the inlet being above an outlet (4);a rotary shredder tool (10) suitable for causing the containers (C) to open, and extending between a bottom end (11) and a top end (12), said shredder tool (10) being mounted via its top end (12), the bottom end (11) of said shredder tool (10) being free inside said enclosure (2); anddrive means (14) for driving rotation of said shredder tool (10);the device (1) being characterized in that said shredder tool (10) presents a reference position from which it can move away while continuing to perform its function of opening the containers (C), said shredder tool (10) having a natural tendency to return to its reference position under the action of return means (34).Opening containers.