Adjustable Slide Retract for Conveyor Rejection
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Solution Overview
Problem
Conveyor systems face challenges in efficiently handling different-sized products, as existing rejection mechanisms require costly and complex modifications to accommodate varying package sizes, leading to increased downtime and operational expenses.
Innovation Solution
An adjustable slide retract mechanism is integrated into the reject system, allowing for automatic or user-input-based adjustments of the gap size based on product size, enabling seamless transitions between package sizes without the need for extensive retooling or equipment changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the rejection mechanism is designed to accommodate a specific package size, then it can handle products of that size effectively, but it becomes difficult or costly to change when different size products are to be handled
Solution Approach 1:
The rejection mechanism employs a movable assembly that can dynamically adjust its position to accommodate different package sizes. The slide assembly is movable along the conveyor belt, allowing the rejection point to be repositioned based on the size of the product being handled, thus providing adaptability without requiring complete mechanism replacement
Solution Approach 2:
The rejection mechanism is divided into separate modular components including the slide assembly, movable assembly, and retraction mechanism. This segmentation allows individual components to be adjusted or reconfigured independently, reducing overall system complexity when adapting to different package sizes
2Area of stationary object
If the rejection mechanism is designed to be compact to save space, then it minimizes equipment footprint, but it may lack the flexibility to handle varying product sizes
Solution Approach 1:
The compact rejection mechanism achieves space efficiency through a retractable slide assembly that can extend and retract as needed. When not in use, the slide retracts to minimize footprint, but when handling different package sizes, it can extend to provide the necessary adjustment range, thus maintaining both compactness and flexibility
3Productivity
If manual adjustment of the rejection mechanism is used, then the structure can be simpler, but the productivity and efficiency are reduced due to downtime for adjustments
Solution Approach 1:
The manual adjustment mechanism is replaced with an automated retraction mechanism that uses motorized or pneumatic actuators to move the slide assembly. This substitution eliminates manual intervention, reduces downtime for adjustments, and maintains operational efficiency while managing system complexity through automated control
Solution Approach 2:
The system incorporates sensors that detect package size and automatically adjust the rejection mechanism position accordingly. This feedback loop enables real-time adaptation to different product sizes without manual intervention, maintaining high productivity while managing complexity through intelligent control systems
Data Source
AI summary
A package handling device includes a conveyor, a sensor system and a reject system. The conveyor transports a product along a product handling line. The sensor system is proximate to the conveyor system to determine at least one characteristic of the product for comparison to product acceptance criteria. Failure of the product to meet product acceptance criteria generates a reject signal. The reject system directs the product to a reject bin responsive to the reject signal via a movable assembly that moves a portion of the conveyor to create a gap in the product handling line. The reject system includes an adjustable retraction mechanism coupled to a frame of the conveyor and to the movable assembly. The adjustable refraction mechanism draws the movable assembly inwardly responsive to receipt of the reject signal to define a size of the gap based on information indicative of a size of the product.