Rotating Tube Chute for Regulating Material Flow
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Solution Overview
Problem
In material handling systems, chutes installed alongside conveyors face challenges in maintaining a consistent flow rate of items of varying sizes and shapes, leading to potential jamming, damage, or excessive speed, which can result in downtime and safety issues.
Innovation Solution
A chute system with a rotating tube portion that adjusts its rotational speed based on the physical characteristics, rate of inflow, and rate of outflow of items, ensuring a constant flow rate and preventing jamming or excessive speed, by being mechanically coupled to a conveyor at a defined angle and interfacing with an item accumulator.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If items are conveyed at high speeds through the material handling system, then productivity is improved, but items may travel in an unregulated manner causing jamming or excessive speed
Solution Approach 1:
The chute is designed with a rotatable tube portion that can dynamically adjust its orientation and rotational speed based on item characteristics, inflow rate, and outflow rate. This dynamic adjustment allows the system to maintain reliable flow regulation while operating at high conveying speeds, resolving the contradiction between productivity and reliability.
2Adaptability or versatility
If the chute is designed to handle items of varying sizes and shapes, then adaptability is improved, but maintaining a consistent flow rate becomes difficult leading to jamming or damage
Solution Approach 1:
The rotatable tube portion can adjust its rotational speed and orientation based on the physical characteristics of items being conveyed. This dynamic adaptation allows the chute to maintain consistent flow rates regardless of item size or shape variations, preventing jamming and damage while handling diverse items.
Solution Approach 2:
The system changes operational parameters (rotational speed, tube orientation) based on item characteristics, inflow rate, and outflow rate. By dynamically adjusting these parameters, the chute maintains consistent flow rates for items of varying sizes and shapes, resolving the contradiction between adaptability and flow rate consistency.
3Device complexity
If the chute operates without flow rate control, then device complexity is reduced, but items may experience excessive speed causing damage or safety issues
Solution Approach 1:
The rotatable tube portion provides active flow rate control through rotational movement, which regulates item descent speed. This dynamic control mechanism prevents item damage from excessive speed while adding minimal complexity to the chute structure, as the rotation can be integrated into the existing conveyor system.
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 chute system effectively maintains a constant flow rate of items through the chute, preventing jamming and damage, and ensuring continuous operation by controlling the descent of items, regardless of their size or shape, thereby reducing downtime and ensuring safe operation.
Implementation Method 1
A chute system with a rotating tube portion that adjusts its rotational speed based on the physical characteristics, rate of inflow, and rate of outflow of items
Data Source
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AI summary
A material handling system includes a conveyor, an actuation unit, and a chute. The chute is mechanically coupled to the conveyor at a defined angle with respect to a surface of the conveyor. The chute includes an inlet defining a first end and a second end, where the first end of the inlet is mechanically coupled to the surface of the conveyor. Further, the chute includes at least one tube configured to be rotated by the actuation unit at a defined rotational speed. The chute also includes an outlet mechanically coupled to the at least one tube. In this aspect, the defined angle and the defined rotational speed is based on at least one of: physical characteristic of an item to be passed through the chute, a rate of inflow of the item through the inlet, and a rate of outflow of the item through the outlet.