Manual Can Seaming With Self-Centering Chucks for Small Batches
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Solution Overview
Problem
Current can seaming equipment is inefficient and costly for small batch production, often requiring extensive training and being unsuitable for manual operation, while existing solutions for smaller batches are either expensive or difficult to operate.
Innovation Solution
A can seaming apparatus comprising a frame, can handling assembly, driving assembly, and seaming assembly, with a lower and upper chuck configuration that allows for manual operation, featuring overcenter mechanisms and adjustable rollers to form a double seam can seal efficiently and cost-effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If large automated can sealing equipment is used, then sealing speed and productivity are improved, but equipment cost and operational complexity increase significantly
Solution Approach 1:
The can sealing apparatus is divided into distinct functional modules: a can holding assembly with upper and lower chucks, a separate can driving assembly, and an independent seaming assembly with first and second rollers. This segmentation allows each component to perform its specific function efficiently while keeping the overall system simple and manageable for small batch operations.
Solution Approach 2:
Instead of using complex automated equipment designed for continuous high-speed production, the invention inverts the approach by creating a simplified manual apparatus that can be easily operated for small batch production. The design prioritizes ease of operation and low cost over maximum sealing speed, appropriately matching the needs of small-scale operations.
2Ease of operation
If manual can sealing equipment is used, then operational simplicity and cost-effectiveness are improved, but sealing precision and consistency deteriorate
Solution Approach 1:
The seaming assembly incorporates curved or spherical rolling surfaces on the first and second rollers that conform to the cylindrical shape of the can. This curvature ensures uniform contact and distribution of sealing force around the can circumference, maintaining consistent sealing precision even during manual operation.
Solution Approach 2:
The apparatus includes self-aligning features where the can automatically centers itself between the upper and lower chucks during the sealing process. The rolling action of the seaming rollers also self-adjusts to maintain proper contact pressure, reducing the need for precise manual positioning while maintaining sealing consistency.
3Productivity
If extensive automation is implemented, then production efficiency is improved, but training requirements and operational difficulty increase
Solution Approach 1:
The can driving assembly automatically rotates the can during the sealing process without requiring manual intervention. The seaming rollers are designed to automatically engage and disengage from the can, and the apparatus includes self-centering mechanisms that eliminate the need for operator training on precise positioning and alignment procedures.
4Manufacturing precision
If specialized equipment is used, then sealing quality is improved, but equipment cost and accessibility deteriorate
Solution Approach 1:
The apparatus is constructed from simple, segmented components including separate chucks, a driving assembly, and rolling elements that can be manufactured using basic machining processes. This modular segmentation allows for cost-effective production while maintaining the functional integrity needed for quality sealing.
Solution Approach 2:
The design utilizes simple rolling elements and basic mechanical components that can be easily replaced if needed, rather than investing in expensive specialized equipment. The apparatus prioritizes affordability and accessibility while delivering adequate sealing quality for small batch operations.
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
Enables inexpensive and efficient self-canning and sealing of cans, suitable for small operations, with a user-friendly design that reduces operational costs and complexity.
Implementation Method 1
The lower can handling subassembly further includes an overcenter mechanism to lock the lower chuck into an engaging configuration.
Implementation Method 2
The can driving assembly spins the can and the upper and lower chucks about an axis.
Implementation Method 3
The seaming assembly includes two rollers which can selectively be directed to engage the can to form the necessary crimping operations.
Data Source
AI summary
A can seaming apparatus including a frame, a can handling assembly, a can driving assembly and a seaming assembly. The can seaming apparatus is configured to seal a lid to a can through a double seam can seal. The can is positioned and clamped between an upper and a lower chuck. The can driving assembly spins the can and the upper and lower chucks about an axis. The seaming assembly includes two rollers which can selectively be directed to engage the can to form the necessary crimping operations.