Beverage preparation machines
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Solution Overview
Problem
Existing beverage preparation machines face challenges in accurately positioning and easily ejecting cartridges of varying sizes due to bulky and inflexible positioning and ejection mechanisms.
Innovation Solution
A delivery head with a movable part and a cartridge guide that slides from a loading position to a dispensing position upon closure, allowing for flexible accommodation of different cartridge sizes and enabling automatic movement for improved ease of use and compact design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a bulky positioning and ejection mechanism is used, then accurate positioning and ejection of cartridges can be achieved, but the device complexity and size increase
Solution Approach 1:
The delivery head is divided into a movable first part and a fixed second part, with the cartridge guide segmented to slide independently between loading and dispensing positions. This segmentation allows each component to perform its function with simpler, more compact structures while maintaining accurate positioning capability.
Solution Approach 2:
The cartridge guide is made dynamically movable, sliding between a loading position (when first part is open) and a dispensing position (when first part is closed). This dynamic adjustment allows the mechanism to adapt its configuration based on operational phase, reducing the need for bulky fixed structures.
2Reliability
If the cartridge guide is positioned at the rear, then the dispensing position is optimized, but the loading accessibility deteriorates
Solution Approach 1:
The cartridge guide utilizes longitudinal sliding movement along the axis of the delivery head, transitioning from a front loading position to a rear dispensing position. This dimensional movement along the longitudinal axis resolves the spatial conflict between accessible loading (front) and optimized dispensing (rear).
3Ease of operation
If the first part is made movable between open and clamping positions, then the ease of operation improves, but the device complexity increases
Solution Approach 1:
The clamping function and the positioning function are merged into a single motion of the first part. As the first part moves from open to closed position, it simultaneously clamps the cartridge and drives the cartridge guide to slide from loading to dispensing position, achieving multiple functions with one movable component.
Data Source
AI summary
A delivery head for a beverage preparation machine comprising a movable first part, a fixed second part and a cartridge guide; the first part being movable between an open position and a clamping position; the cartridge guide being operatively engaged with the first part and slidably movable relative to the second part between a loading position and a dispensing position; the cartridge guide being located in the loading position when the first part is in the open position so as to enable loading of a cartridge into the cartridge guide; wherein on movement of the first part into the clamping position the cartridge guide is slidable into the dispensing position due to the operative engagement of the cartridge guide with the first part.