Retractable Arm Mixing Apparatus for Receptacle Contents
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Solution Overview
Problem
Existing methods for mixing contents in receptacles, such as paint, plaster, and foodstuffs, are inefficient, leading to incomplete mixing and contamination, with current tools like sticks and gyroscopes being inadequate or too expensive, and existing devices being difficult to clean and requiring manual effort.
Innovation Solution
A rotary shaft apparatus with retractable or extendable arms and a corkscrew neck, attachable to a handheld drill or electric screwdriver, which extends radially to mix contents effectively and prevent contamination, featuring a collar to enhance mixing and a corkscrew neck to prevent material from being drawn up during mixing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional mixing methods (sticks, rods) are used, then the mixing process is simple, but the mixing quality is poor and contamination occurs
Solution Approach 1:
The mixing element employs dynamically extendable arms that transition from a compact stored position to an extended mixing position during operation. This dynamic configuration allows the device to achieve effective mixing coverage while maintaining portability and ease of storage, resolving the contradiction between mixing quality and device complexity
Solution Approach 2:
The mixing element is segmented into multiple extendable arms with mixing blades, allowing the device to cover larger mixing areas and improve mixing effectiveness. The segmented structure enables better material circulation and reduces dead zones, thereby improving mixing quality without requiring an overly complex monolithic structure
2Reliability
If gyroscopes are used for mixing paint, then mixing quality improves, but the cost becomes prohibitively expensive
Solution Approach 1:
The invention employs a simple, inexpensive mixing element that can be easily manufactured and potentially replaced, avoiding the high cost of gyroscopic systems. The straightforward mechanical design with extendable arms and blades uses common materials and manufacturing processes, significantly reducing production costs while maintaining effective mixing performance
3Area of stationary object
If the mixing element arms are extendable, then mixing coverage increases, but the device complexity increases
Solution Approach 1:
The extendable arms utilize a dynamic mechanism that allows them to transition between compact and extended states. This dynamic design enables the mixing element to achieve large mixing coverage during operation while maintaining a compact form factor when stored or not in use, effectively balancing coverage area with device complexity
Solution Approach 2:
The mixing element employs flexible or spring-loaded arm mechanisms that can extend and retract smoothly. These flexible components provide the necessary movement range for extensive mixing coverage while maintaining structural simplicity and ease of manufacture, avoiding complex rigid linkage systems
4Productivity
If mixing is performed with traditional methods, then the process is simple, but the mixing time is excessive (7-10 minutes for 40 kg plaster)
Solution Approach 1:
The dynamically extendable arms create more effective material circulation patterns and increase the active mixing surface area, significantly reducing mixing time from 7-10 minutes to approximately one minute for 40 kg of plaster. The dynamic extension ensures all areas of the container are effectively mixed, improving productivity without requiring excessive user effort
Solution Approach 2:
The extendable arms add a radial dimension to the mixing action, creating three-dimensional material circulation rather than simple planar stirring. This multi-dimensional mixing approach dramatically improves mixing efficiency and speed, reducing the time required while maintaining ease of operation through the power-assisted mechanism
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 apparatus achieves thorough mixing in a shorter time with reduced user input and easier cleaning, significantly improving mixing efficiency and reducing contamination, as demonstrated by mixing a 40 kg container of plaster in one minute compared to seven to ten minutes with traditional methods.
Implementation Method 1
the at least two arms are retractable when in a resting position or extendable radially outwardly when in an operative rotating position
Data Source
Figure 1
Figure 2A~2B
Figure 3
AI summary
Apparatus (301) is provided for mixing contents of a receptacle, the apparatus comprising a rotary shaft equipped at a proximal end (302) with a connection for removable attachment to a means of providing rotation. The rotary shaft has a mixing element fixedly connected at a distal end (303) of the shaft opposite to the proximal end. The mixing element comprising at least two arms (304), which are configured to move between a resting position where the arms are retracted and an operative rotating position where the arms extend radially outwardly.