Automated 3D Printing Tank with Movable Leveling Roller
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Solution Overview
Problem
Current 3D printing technologies require frequent and complex manual operations for leveling and sample removal, which can lead to damage of delicate components and contamination risks.
Innovation Solution
A 3D printing device with a liquid tank having a main and extended area, a printing platform, a release film assembly, a leveling roller assembly, and a bubble scraper, where these components can move between the main and extended areas, reducing manual intervention and risk of damage or contamination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual operations are used for installing and removing the leveling roller assembly, release film assembly, and printing platform, then the device can be operated with simple structure, but the operation complexity and time consumption increase significantly
Solution Approach 1:
The patent makes previously static components (leveling roller assembly, release film assembly, printing platform) dynamically movable through automated driving mechanisms. The leveling roller assembly can be automatically moved to and from the printing area, the release film assembly can be automatically fed and positioned, and the printing platform can be automatically raised and lowered. This dynamic automation resolves the contradiction by reducing manual operation frequency while accepting increased device complexity through integrated driving mechanisms.
Solution Approach 2:
The system enables self-service operation where the 3D printing device automatically performs leveling, release film management, and platform adjustment without human intervention. The automated leveling roller applies pressure to level the release film surface, the driving mechanisms automatically position components, and the system coordinates these actions autonomously. This self-service capability eliminates the need for frequent manual operations while managing the complexity through integrated control systems.
2Reliability
If the leveling roller assembly is frequently manually installed and removed, then the device structure remains simple, but the risk of damage to the delicate leveling roller increases
Solution Approach 1:
The leveling roller assembly is transformed from a manually handled static component to a dynamically positioned automated component. The driving mechanism enables the leveling roller to be automatically moved to the printing area when needed and retracted when not in use, eliminating repeated manual installation and removal. This dynamic automation protects the delicate leveling roller from damage while accepting the complexity of the automated positioning system.
Solution Approach 2:
An automated driving mechanism acts as an intermediary between the operator and the leveling roller assembly. Instead of direct manual handling, the intermediary automated system performs the positioning and application of the leveling roller, reducing mechanical stress and damage risk to the delicate component. This intermediary mechanism manages the complexity by providing a controlled, automated interface for leveling roller deployment.
3Reliability
If manual removal of the release film assembly is performed, then the device structure remains simple, but the risk of contamination from liquid resin spillage increases
Solution Approach 1:
The release film assembly is transformed from a manually removed static component to a dynamically managed automated component. The driving mechanism enables the release film to be automatically fed, positioned, and removed in a controlled manner, eliminating manual handling that causes resin spillage. This dynamic automation reduces contamination risk while accepting the complexity of the automated release film management system.
Solution Approach 2:
An automated driving mechanism acts as an intermediary between the operator and the release film assembly. Instead of direct manual removal, the intermediary automated system performs the release film management operations, reducing the risk of liquid resin spillage and contamination. This intermediary mechanism manages the complexity by providing a controlled, automated interface for release film deployment and removal.
4Productivity
If automated driving mechanisms are added for the release film assembly and leveling roller assembly, then manual operation frequency decreases, but the device complexity increases
Solution Approach 1:
The driving mechanisms are designed with multi-functionality to manage complexity. The same driving system that positions the leveling roller assembly also manages the release film assembly positioning and movement. This universal driving mechanism performs multiple functions (leveling roller deployment, release film feeding, platform coordination) through a single integrated system, improving printing efficiency while controlling device complexity through functional consolidation.
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 solution simplifies manual operations, reduces the risk of damage to the leveling roller and contamination from resin spillage, and enhances printing efficiency by automating key processes.
Implementation Method 1
a release film driving component, the release film driving component is used to drive the release film to move between the main area and the extended area of the liquid tank
Implementation Method 2
a roller driving component, the roller driving component is used to drive the leveling roller main body to move between the main area and the extended area of the liquid tank
Implementation Method 3
BMF has developed a new method for rapid leveling using rollers to address the issue of long leveling times and low efficiency during printing
Implementation Method 4
The method also includes a bubble scraper 5, which can slide along the lower surface of the release film assembly 3 to eliminate bubbles and prevent them from affecting print quality
Implementation Method 5
The present invention relates to the field of photopolymerization 3D printing technology
Data Source
Figure 1~2
Figure 3
Figure 4~5
AI summary
This disclosure relates to a 3D printing device for convenient operation and method. The 3D printing device includes a liquid tank, a printing platform, a release film assembly, a leveling roller assembly, and a bubble scraper. The liquid tank is widened on one side to form an extended area. The bubble scraper is positioned within the extended area and fixed at the bottom of the extended area of the liquid tank near the main body area. The release film assembly and the leveling roller assembly can both move laterally. The advantageous effects of the present invention are as follows: 1) Fewer and simpler manual operations before and after printing; 2) The present invention reduces the risk of damage caused by frequent manual installation and removal of the leveling roller, which is a delicate and fragile component, and reduces the time wasted on repeated leveling adjustments when reinstalling the leveling roller; 3) The present invention reduces the risk of contamination caused by liquid resin dripping when removing the release film.