Vertically Movable Mixer Blade to Reduce Motor Load and Noise
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Solution Overview
Problem
Conventional mixers with fixed rotatable blades require high-speed rotation to grind food effectively, leading to motor overload and inefficiency, with no existing solution to address this issue.
Innovation Solution
A vertically movable mixer design that allows the rotatable blade to rotate while reciprocally linearly moving in the vertical direction, improving mixing performance and efficiency by reducing the need for high-speed rotation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a fixed rotatable blade is used in conventional mixers, then the blade can rotate and grind food, but the mixer requires high-speed rotation leading to motor overload and reduced efficiency
Solution Approach 1:
The blade assembly is designed to move vertically reciprocally in addition to rotating, transforming the static blade position into a dynamic system. The blade moves up and down within the container while rotating, creating enhanced cutting and grinding actions that improve productivity without requiring excessive motor power for rotation alone.
Solution Approach 2:
The invention adds a vertical dimensional movement to the traditional rotational motion. By enabling the blade to move vertically through the food material while rotating horizontally, the system creates multi-directional grinding action that increases efficiency without proportionally increasing motor load.
2Productivity
If high-speed rotation is used to grind food effectively, then grinding performance is maintained, but noise increases and energy consumption rises
Solution Approach 1:
The dynamic vertical reciprocating motion of the blade allows effective grinding at lower rotational speeds. The up-and-down movement complements the rotation to create shearing and cutting actions that maintain grinding performance while reducing the need for high-speed rotation, thereby lowering noise levels.
3Productivity
If a fixed rotatable blade simply rotates in place, then the structure is simple, but mixing performance and efficiency are insufficient
Solution Approach 1:
The blade assembly incorporates vertical reciprocating motion capability while maintaining rotational function. This dynamic design enhances mixing efficiency by creating multiple cutting planes and directions, justifying the increased structural complexity through significant performance improvement.
Solution Approach 2:
The invention combines rotational motion and vertical reciprocating motion into a single blade assembly operation. By merging these two motion types, the system achieves superior mixing performance without requiring separate mechanisms, thus limiting the increase in device complexity.
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
The vertically movable mixer enhances food grinding performance and efficiency, reduces noise by allowing lower motor RPM, and achieves uniform grinding results compared to conventional mixers with fixed blades.
Implementation Method 1
an elastic member having a lower end resiliently supported on a lower end of the sliding member and an upper end resiliently supported on the bushing, and configured to provide a downward elastic force to push the sliding member downward
Data Source
AI summary
Proposed is a vertically movable mixer including a container comprising a bottom portion in which a central through-hole is formed, a motor housing coupled to the container under the container, a motor built in the motor housing, a sliding member configured to reciprocally slidably move in a vertical direction through the central through-hole of the container, a rotatable shaft rotatably installed in the sliding member so as to be configured to reciprocally slidably move in the vertical direction in conjunction with the sliding member and axially mounted on a motor shaft of the motor so as to be configured to rotate by rotation of the motor, and a rotatable blade mounted on the rotatable shaft and configured to cut, grind, and mill food contained in the container while rotating and while reciprocally slidably moving in the vertical direction.