Coffee grinder system
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Coffee grinder systems with permanently installed drive devices and grinders are prone to reduced service life and malfunctions due to incorrect adjustments, and lack of disassembly options for maintenance, making repairs unfeasible.
Innovation Solution
A coffee grinder system with a movable and self-centering connection between the grinder and drive device, allowing for torque transmission and easy disassembly, featuring a coaxial drive motor and gearbox, and a manually operable control element, enabling reliable operation and maintenance without tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the drive device and grinder are permanently installed and precisely adjusted in the housing, then the grinding mechanism can be driven reliably, but the service life is reduced and malfunctions occur due to inability to adjust for wear
Solution Approach 1:
The patent applies the dynamics principle by making the connection between the drive device and grinder movable rather than fixed. The drive shaft is designed to be displaceable relative to the drive device through a coupling mechanism, allowing dynamic adjustment during operation. This enables compensation for wear and manufacturing tolerances over time, extending service life while maintaining reliable torque transmission for grinding operations.
2Reliability
If the drive device and grinder are permanently installed with complex adjustment, then reliable driving is achieved, but repair and maintenance become impossible
Solution Approach 1:
The patent applies segmentation by dividing the coffee grinder system into separable modules: the housing, the grinder assembly, and the drive device. The coupling mechanism between the drive shaft and drive device allows these segments to be easily disconnected and reconnected. This modular design enables simple maintenance and repair by allowing users to remove and replace components without complex adjustments or special tools.
3Ease of manufacture
If simple disassembly is not intended in the structure, then manufacturing is simplified, but repair becomes not worthwhile when malfunctions occur
Solution Approach 1:
The patent implements a movable coupling mechanism that allows the drive shaft to be easily disconnected from the drive device. This dynamic connection maintains structural simplicity during manufacturing while enabling straightforward disassembly for repair. The coupling design requires no complex tools or adjustments, allowing users to disassemble and reassemble components easily when maintenance is needed.
4Stability of the object's composition
If forces cause increased wear and jamming in fixed connections, then structural stability is maintained, but component wear increases and connection jams
Solution Approach 1:
The patent applies dynamics by designing the drive shaft connection to be displaceable rather than fixed. The coupling mechanism allows the drive shaft to move slightly within the housing, accommodating forces that would otherwise cause wear and jamming in rigid connections. This dynamic capability maintains structural stability while preventing component wear and connection failure.
Solution Approach 2:
The coupling mechanism acts as an intermediary between the drive device and drive shaft. This intermediary component absorbs and accommodates misalignment forces, preventing direct transmission of harmful forces to the drive shaft and grinder. The coupling allows relative movement that compensates for manufacturing tolerances and wear, maintaining reliable operation.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
The invention relates to a coffee grinder system comprising a coffee grinder (1) including a housing (2) and a grinding mechanism arranged in the housing, and a drive device (3) for driving the grinding mechanism. The coffee grinder system is characterized in that the coffee grinder (1) can be movably and/or self-centeringly coupled to, or is coupled to, the drive device (3).