Self-Supporting Infusion Unit Assembly for Automatic Coffee Machines
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The assembly and maintenance of automatic coffee machines are complex and time-consuming due to the numerous elements involved in the coffee-making process, and testing the infusion unit after installation leads to extensive cleaning challenges, especially with coffee powder and grounds being difficult to clean.
Innovation Solution
A self-supporting infusion unit that can be easily assembled, tested, and cleaned outside the coffee machine, featuring a structural element that keeps its elements in relative position, allowing for removable and pivotable components, and a method for attaching it to the housing, facilitating faster assembly and maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the infusion unit is tested after installation in the coffee machine, then the testing can be performed in the final assembly configuration, but the machine requires extensive cleaning afterward due to coffee powder and grounds being difficult to clean
Solution Approach 1:
The infusion unit is designed as a self-supporting, modular assembly that can be separated from the coffee machine housing. This segmentation allows the infusion unit to be tested independently in a dedicated testing area, preventing coffee powder contamination of the main machine interior, thereby eliminating extensive cleaning requirements while maintaining testing accuracy in the final assembly configuration.
Solution Approach 2:
The infusion unit is extracted as a removable module from the coffee machine housing. This extraction enables testing to be performed outside the housing in a controlled environment, allowing thorough cleaning of the infusion unit before installation without contaminating the main machine interior, thus resolving the contradiction between reliable testing and ease of cleaning.
2Stability of the object's composition
If multiple elements of the infusion unit are assembled inside the coffee machine housing, then the final assembly configuration is achieved, but the assembly process becomes complex and time-consuming
Solution Approach 1:
The infusion unit is segmented into a self-supporting modular assembly that can be pre-assembled outside the housing. This modular segmentation maintains the stability of the final assembly configuration while dramatically reducing assembly time, as the pre-assembled module is simply installed as a complete unit rather than assembling multiple elements individually inside the housing.
Solution Approach 2:
The infusion unit elements are pre-assembled into a self-supporting structure outside the coffee machine housing before final installation. This preliminary action completes the complex assembly work in advance, allowing rapid installation of the complete assembly while ensuring the stable final configuration is achieved without time-consuming in-situ assembly.
3Ease of manufacture
If the infusion unit elements are tested separately before assembly, then cleaning is easier, but the test is not representative as it does not test the elements in their final assembly configuration
Solution Approach 1:
The infusion unit is segmented as a self-supporting modular assembly that can be tested as a complete unit outside the housing. This segmentation enables representative testing of the assembled configuration in a controlled environment, while the modular design allows easy removal and cleaning of the entire assembly without disassembly, thus achieving both testing representativeness and cleaning ease.
Solution Approach 2:
A self-supporting structural element acts as an intermediary, holding the infusion unit elements in their final assembly configuration during external testing. This intermediary structure enables realistic testing of the complete assembly while allowing the entire unit to be easily removed and cleaned as a single module, resolving the contradiction between testing representativeness and cleaning ease.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
The present invention discloses an automatic coffee machine comprising a housing having a structure; a coffee bean grinder for grinding coffee beans into coffee powder; and an infusion unit for infusing the coffee powder coming from the coffee bean grinder, said infusion unit comprising: an infusion chamber for infusing coffee powder with water; a closing plunger for closing the infusion chamber and pressing the coffee powder therein; and an expulsion piston for expulsing the coffee from the infusion chamber after infusion; wherein the infusion unit is a self-supporting infusion unit that is attached to the structure of the housing. It is also disclosed a method of assembling an automatic coffee machine according to invention, the method comprising the steps of: assembling the self-supporting infusion unit; and attaching the self-supporting infusion unit to the structure of the housing of the automatic coffee machine.