Ammunition Case Orientation Device with Splitter Funnel
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Solution Overview
Problem
Existing devices for sorting ammunition cases, particularly bottle-neck cases, face challenges in achieving high throughput without frequent jams due to the unique length-to-diameter ratio and mass distribution of the cases, leading to a lengthy orientation process.
Innovation Solution
A case orientation device featuring an input chute with a wider width than the case length, transitioning through a funnel with a splitter to a narrower discharge chute, and a rotatable case plate with drop pockets to align and orient cases vertically, ensuring consistent orientation and reducing jams.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a simple case plate design is used, then device complexity is reduced, but productivity decreases and reliability worsens due to frequent jams
Solution Approach 1:
The case plate is divided into multiple functional sections: an input section with input pockets for receiving cases, an orientation section with orientation pockets for rotating cases to vertical orientation, and a discharge section with discharge pockets for releasing oriented cases. This segmentation allows each section to perform its specific function efficiently, improving throughput while maintaining manageable complexity
Solution Approach 2:
The case plate rotates about a horizontal axis to dynamically transition cases between different pocket sections. This rotational movement enables continuous operation where cases are constantly fed, oriented, and discharged, significantly improving productivity compared to static designs
2Device complexity
If a simple case plate design is used, then device complexity is reduced, but reliability worsens due to frequent jams
Solution Approach 1:
By separating the case plate into distinct input, orientation, and discharge sections with specialized pockets for each function, the design ensures that cases undergo a controlled transformation process. This reduces the likelihood of jams by providing dedicated spaces for each operational phase
Solution Approach 2:
Cases are pre-oriented in the input pockets before being transferred to orientation pockets. The design prepares cases for the upcoming orientation operation, ensuring smooth transitions and reducing the risk of jams during the critical orientation phase
3Device complexity
If manual hand sorting is used, then device complexity is reduced, but productivity decreases and time consumption increases
Solution Approach 1:
The case plate system automatically performs case orientation through its rotational mechanism and pocket design. Cases are self-fed into input pockets, self-oriented through the rotation to vertical position, and self-discharged into the collection area, eliminating the need for manual intervention and significantly improving productivity
Data Source
AI summary
A case orientation device may include an input chute coupled to a discharge chute via a funnel. The input chute may have a width dimension which may be greater than the length dimension of the ammunition case. The discharge chute may have a width dimension which may be less than the less than the length dimension of the case. The funnel may transition from the width dimension of the input chute to the width dimension of the discharge chute. A splitter may be disposed in the funnel, and the splitter may have a tipping surface which may be oriented towards the input chute. A case may enter the input chute in a horizontal orientation, may be rotated out of the horizontal orientation via contact with the tipping surface, and may be forced into a vertical orientation to enter the discharge chute in the vertical orientation.