Dynamic-Volume Heating Chamber for Faster High-Temperature 3D Printing
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Solution Overview
Problem
Existing 3D printers with fixed-volume heating chambers face challenges in achieving high temperatures due to component limitations, leading to inefficient heating, long preheating times, and high energy consumption, especially when printing small models.
Innovation Solution
A dynamic-volume heating chamber apparatus with a lifting printing platform that separates the chamber into a heating and expansion chamber, utilizing a sealing structure, fan, and air channels for cyclic heating, reducing the heated volume to minimize energy consumption and preheating time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If the entire printing chamber is heated to high temperature, then high-temperature printing can be achieved, but heating time becomes very long and energy consumption becomes extremely high
Solution Approach 1:
The printing chamber is divided into a heating chamber and an expansion chamber by the lifting printing platform. The heating chamber has smaller volume and is heated first, while the expansion chamber remains at ambient temperature. This segmentation allows high-temperature printing to be achieved in the heating chamber without heating the entire large-volume printing chamber, thus reducing preheating time and energy consumption.
Solution Approach 2:
The lifting printing platform can dynamically adjust its position between upper and lower limits. When a small model needs to be printed, the platform is positioned upward to reduce the heating chamber volume to minimum. As printing progresses or for larger models, the platform can be lowered to expand the heating chamber volume. This dynamic adjustment optimizes heating efficiency for different printing scenarios.
2Temperature
If the entire printing chamber is heated to high temperature, then high-temperature printing can be achieved, but energy consumption becomes extremely high
Solution Approach 1:
The printing chamber is divided into a heating chamber and an expansion chamber by the lifting printing platform. The heating chamber has smaller volume and is heated first, while the expansion chamber remains at ambient temperature. This segmentation allows high-temperature printing to be achieved in the heating chamber without heating the entire large-volume printing chamber, thus reducing preheating time and energy consumption.
Solution Approach 2:
Instead of heating the entire printing chamber volume, only the necessary heating chamber volume is heated to high temperature. The expansion chamber is excluded from heating when not needed, applying partial heating action rather than excessive full-chamber heating, thus significantly reducing energy consumption.
3Device complexity
If a fixed-volume heating chamber is used, then the chamber structure is simple and easy to implement, but heating efficiency is low and preheating time is long
Solution Approach 1:
The lifting printing platform can dynamically adjust its position between upper and lower limits. When a small model needs to be printed, the platform is positioned upward to reduce the heating chamber volume to minimum. As printing progresses or for larger models, the platform can be lowered to expand the heating chamber volume. This dynamic adjustment optimizes heating efficiency for different printing scenarios.
Solution Approach 2:
The volume parameter of the heating chamber is changed dynamically by adjusting the position of the lifting printing platform. By changing the chamber volume parameter according to printing needs, heating efficiency is improved without significantly increasing structural complexity.
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 apparatus significantly reduces heating time and energy consumption by preheating only the minimum required chamber volume, allowing for efficient and cost-effective high-temperature printing.
Implementation Method 1
a heating apparatus is disposed in the heating chamber... a fan, and an air inlet channel and an air outlet channel that communicate with the fan
Implementation Method 2
An electric heating tube is disposed in the air outlet tank
Implementation Method 3
a sealing structure is disposed between an edge of the lifting printing platform and the printing chamber
Data Source
AI summary
A dynamic-volume high-temperature heating chamber apparatus for a 3D (three-dimensional) printer is provided, and belongs to the field of 3D printers. The dynamic-volume high-temperature heating chamber apparatus for a 3D printer includes a cuboid printing chamber and a lifting printing platform that separates the printing chamber into a heating chamber and an expansion chamber, where a sealing structure is disposed between an edge of the lifting printing platform and the printing chamber. A printing head is disposed in the heating chamber, and a heating apparatus is disposed in the heating chamber. Beneficial effects are as follows. In an existing 3D printing device, an entire printing chamber needs to be heated, and energy consumption is extremely high. The lifting printing platform with the sealing structure is disposed in this apparatus, and the printing chamber is split into the heating chamber and the expansion chamber by using the lifting printing platform.