Movable Housing Seed Meter for Complete Cleanout
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Solution Overview
Problem
Current seed meter designs, particularly vacuum seed meters, face challenges in achieving a quick and complete cleanout of seeds, often requiring partial or full disassembly and manual intervention, which can lead to contamination risks and inefficiencies.
Innovation Solution
A seed meter design featuring a movable housing portion with a locking mechanism and hinge system that allows for easy access to the seed disk, enabling tactile and visual access for complete seed removal without disassembling the entire unit, and a connected funnel or chute for efficient seed collection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the seed hopper and meter are removed completely to achieve complete seed cleanout, then all seeds can be removed, but the device complexity increases and operational time is lost
Solution Approach 1:
The housing is divided into a first housing portion and a second housing portion that can be selectively moved. The second housing portion can be opened independently to provide access to the seed disk for seed removal, while the first housing portion remains attached. This segmentation allows complete seed cleanout without requiring complete disassembly of the entire seed meter assembly.
Solution Approach 2:
The second housing portion is extracted or separated from the main assembly through the hinge mechanism, providing direct access to the seed disk. This extraction allows operators to remove seeds from the seed disk and hopper without having to remove the entire seed meter from the planter, thus maintaining system integrity while enabling complete cleanout.
2Reliability
If the entire seed meter is disassembled to remove all seeds, then complete cleanout is achieved, but productivity decreases due to time loss
Solution Approach 1:
The selective movement of only the second housing portion allows operators to access and clean the seed disk quickly without disassembling the entire seed meter. This segmented approach significantly reduces cleanout time compared to complete disassembly, thereby maintaining productivity while achieving complete seed removal.
Solution Approach 2:
The hinge mechanism is pre-configured to allow the second housing portion to swing open easily, and the funnel is pre-positioned to receive seeds as the housing opens. This preliminary arrangement of components enables rapid seed removal without requiring complex manual manipulation during the cleanout process.
3Strength
If a fixed housing design is used to maintain structural integrity, then device strength is maintained, but ease of operation for seed removal deteriorates
Solution Approach 1:
The housing is segmented into two portions connected by a hinge, allowing the second portion to move independently. This segmentation provides access to the seed disk for easy seed removal while the first housing portion remains fixed to maintain overall structural integrity of the seed meter assembly.
Solution Approach 2:
The second housing portion is designed with dynamic movement capability through the hinge mechanism, allowing it to swing between closed and open positions. This dynamic design enables easy access to seeds during operation while maintaining structural integrity when closed, combining the benefits of both fixed and movable designs.
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
Facilitates a quick and complete cleanout of seeds, reducing contamination risks and improving operational efficiency by allowing for easy access and removal of seeds without the need for extensive disassembly, ensuring all seeds are removed effectively.
Implementation Method 1
a vacuum source coupled to a second side of the seed disk opposite the seed supply to draw the seeds into the openings defined by the disc and hold the seeds against the disc
Implementation Method 2
Air pressure differential seed meters, which are commonly known as air seed meters, are generally of two types. The first type being the positive pressure type and the second type relying upon negative pressure or vacuum.
Data Source
AI summary
A seed meter includes an input port configured to receive a supply of seeds and an output port configured to deliver the supply of seeds for dispensing to a planting area and a seed disk configured to receive the supply of seeds from the input port and deliver the supply of seeds to the output port at a substantially uniform rate. The seed disk has a seed side where seeds flow from the input port, and a vacuum side opposite the seed side. The seed meter further includes a first housing portion surrounding a first portion of the seed disk in a fixed relationship to direct the supply of seeds against the seed disk and a second housing portion. The second housing portion is configured to move between a first position extending to a second portion of the seed disk to operate in concert with the first housing portion to direct the supply of seeds against the seed disk and a second position providing access to at least a portion of the second portion of the seed disk including the lowest most portion of the seed disk.