Blender Container with Metal Plate Insert for High-Speed Durability
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Solution Overview
Problem
Conventional blenders face challenges in efficiently blending frozen or icy drinks and in commercial kitchens, where speed and accuracy are crucial, due to limitations in blade design and container durability, leading to reduced usable life and increased blending times.
Innovation Solution
A container assembly with a metal plate insert overmolded at the closed end, providing a reinforced bottom and a balanced blade assembly with symmetric wings, which allows for higher motor speeds and torque while reducing stress and vibration, and incorporating NFC tags for improved blending control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional plastic container bottom is used, then the container is easy to manufacture, but the container durability and usable life are reduced due to stress and vibration during high-speed blending
Solution Approach 1:
The container bottom integrates a metal insert (stainless steel or aluminum) within the plastic structure, creating a composite material solution. The metal insert provides enhanced strength and vibration resistance during high-speed blending, while the plastic provides manufacturing ease and cost-effectiveness. This composite structure resolves the contradiction by combining materials with complementary properties.
Solution Approach 2:
Instead of making the entire container from durable metal, the patent applies the metal insert only at the bottom area where stress and vibration are most intense during operation. This localized application of enhanced material properties provides the necessary durability improvement while minimizing manufacturing complexity and cost increases.
2Productivity
If a conventional blade assembly is used, then the device complexity is low, but the blending efficiency and consistency are reduced
Solution Approach 1:
The blade assembly features asymmetric blade wings with different angles of attack on each side. This asymmetry creates optimized flow patterns and cutting angles for different types of ingredients, significantly improving blending efficiency and consistency. The complex geometry of the asymmetric blades resolves the productivity enhancement while accepting increased device complexity.
Solution Approach 2:
The blade wings are designed with dynamic angles of attack that optimize performance during rotation. The blades are angled to create effective cutting action at different rotational positions, enhancing blending efficiency. This dynamic design approach accepts increased geometric complexity to achieve superior blending performance.
3Productivity
If high motor speeds and torque are used, then the blending efficiency increases, but the stress and vibration on the container increase leading to breakage
Solution Approach 1:
The metal insert in the container bottom provides the structural strength needed to withstand high motor speeds and torque. The composite construction allows the container to handle higher power inputs without breaking, enabling increased productivity while maintaining structural integrity through the reinforced bottom area.
4Strength
If a metal plate insert is added to the container, then the container durability and stress resistance improve, but the manufacturing complexity and cost increase
Solution Approach 1:
The manufacturing process integrates the metal insert into the plastic container bottom through overmolding or insert molding techniques. This composite manufacturing approach, while more complex than simple plastic injection, establishes a standardized process that balances the need for enhanced strength with manufacturing feasibility and cost considerations.
Solution Approach 2:
The metal insert is applied only to the specific bottom area requiring enhanced strength, rather than reinforcing the entire container. This localized reinforcement minimizes the amount of metal material needed and reduces manufacturing complexity while still providing adequate stress resistance for high-speed blending operations.
Data Source
AI summary
A blending system includes a container assembly. The container assembly includes a body. The body has a closed end and an open end. A plate insert is attached to the closed end. A blade assembly is attached to the plate insert. The blade assembly includes a blade. The blade may be balanced.