Automatic Nail Decorating Machine With 3D Finger Recognition
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Solution Overview
Problem
Existing nail decorating machines face challenges in achieving precise and efficient nail decoration due to human hand shaking during the process, leading to unsatisfactory printing results.
Innovation Solution
A fully automatic nail decorating machine equipped with a hand slot mechanism, visual recognition mechanism, and printing mechanism, which includes cameras for three-dimensional modeling, inflatable airbags for finger fixation, and three-way moving nozzles for precise spray printing, ensuring ergonomic comfort and hygiene.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual nail decorating is used, then flexibility and adaptability are maintained, but decorating efficiency and consistency deteriorate
Solution Approach 1:
The nail decorating machine is divided into independent functional modules: hand slot mechanism for positioning, visual recognition mechanism for scanning, and printing mechanism for decoration. Each module operates independently but coordinates through a control system, enabling automated high-efficiency decorating while maintaining manageable system complexity through modular design.
2Manufacturing precision
If automated printing mechanism is introduced, then decorating precision is improved, but device complexity increases
Solution Approach 1:
The patent replaces complex mechanical positioning systems with a visual recognition-based coordinate system. The visual recognition mechanism captures images of the hand and nail, establishes a coordinate system, and guides the printing mechanism based on image data rather than complex mechanical linkages, thereby achieving high precision with reduced mechanical complexity.
Solution Approach 2:
The visual recognition mechanism serves as an intermediary between the hand positioning system and the printing mechanism. It captures hand position and nail geometry, processes this information into coordinate data, and transmits it to control the printing mechanism, enabling precise decoration without direct complex mechanical coupling between positioning and printing components.
3Stability of the object's composition
If hand slot mechanism with fixing mechanism is used, then finger stability is improved, but user comfort may deteriorate
Solution Approach 1:
The hand slot mechanism incorporates an inflatable air bag that can be adjusted to provide gentle fixation pressure on the user's hand. The air bag is inflated to a controlled extent to secure the hand in position for stable scanning and printing, while the pneumatic nature allows for adjustable pressure to maintain user comfort during the decorating process.
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 machine achieves precise and ergonomic nail decoration with improved efficiency and comfort by automatically adjusting finger positions and recognizing three-dimensional coordinates for accurate pattern application, reducing human error and enhancing user safety.
Implementation Method 1
a fixing mechanism is disposed inside each finger slot in the hand slot mechanism, and the fixing mechanism includes an inflatable air bag
Implementation Method 2
a visual recognition mechanism, arranged above the hand slot mechanism and including one or more cameras configured to photograph a finger placed in the hand slot mechanism
Implementation Method 3
one or more printing nozzles are driven by the three-way moving module to be positioned above the finger to perform spray printing to a nail
Data Source
AI summary
A fully automatic nail decorating machine, including a cabin body provided with a cabin door, where an inside of the cabin body is provided with at least one hand slot mechanism, the hand slot mechanism includes one or more finger slots; a visual recognition mechanism, arranged above the hand slot mechanism and including one or more cameras configured to photograph a finger placed in the hand slot mechanism, and transmit photographed information to a visual control module for data processing, to obtain a three-dimensional space model and position information of the finger; where a printing mechanism is arranged inside the cabin body, where the printing mechanism includes a three-way moving module and one or more printing nozzles fixed to the three-way moving module, and the one or more printing nozzles are driven by the three-way moving module to be positioned above the finger to perform spray printing to a nail.