Variable 3D Extrusion Port for Uniform Material Flow
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Traditional 3D printing devices with fixed extrusion ports face issues of non-uniform material flow rates due to the squeezing of materials during size adjustments, leading to reduced printing quality and accuracy.
Innovation Solution
A 3D printing device with a variable-sized extrusion port, comprising a feeding portion, discharging portion, and control mechanism that allows for the relative movement of these components to adjust the number of hole channels in communication, thereby changing the extrusion port's size without causing material squeezing, ensuring uniform flow rates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the extrusion port size is adjusted dynamically, then printing accuracy and efficiency are improved, but material flow rate uniformity deteriorates due to squeezing
Solution Approach 1:
The extrusion port is divided into multiple independent hole channels instead of a single continuous port. This segmentation allows each hole channel to extrude material independently, preventing the squeezing effect that causes non-uniform flow rates when adjusting the overall port size. The control portion can selectively open or close individual hole channels to achieve precise control over material flow while maintaining uniformity across all active channels.
2Productivity
If the extrusion port size is changed, then printing efficiency is improved, but material flow rate uniformity deteriorates
Solution Approach 1:
The extrusion port is designed with dynamic controllability through the control portion, which can selectively open or close individual hole channels based on printing requirements. This dynamic adjustment allows the system to optimize printing efficiency by activating only the necessary number of hole channels for each printing task, while maintaining uniform material flow rates through precise control of each channel's opening and closing states.
3Device complexity
If a fixed extrusion port is used, then device simplicity is maintained, but adaptability to different printing requirements deteriorates
Solution Approach 1:
The extrusion port is designed with multiple hole channels that can be selectively activated based on different printing requirements. This multi-functional design allows a single extrusion port structure to adapt to various printing tasks by opening or closing specific hole channels, providing both simplicity in its basic structure and versatility in its operational capabilities.
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 enhances printing quality by maintaining consistent material flow, allowing for adjustable printing accuracy and efficiency through flexible control of the extrusion port's size and shape, accommodating various printing requirements.
Implementation Method 1
the extrusion port is capable of being in fluid communication with the outlet of the feeding portion, so as to extrude the material
Implementation Method 2
an arrangement of the row of hole channels makes materials extruded from adjacent hole channels in the row of hole channels be capable of mutually fused in the region
Data Source
AI summary
Disclosed are a 3D printing device with an extrusion port having a variable size and a control method thereof. The 3D printing device includes: a feeding portion with an inlet and an outlet for a material; a discharging portion with an extrusion port, where the extrusion port is capable of being in fluid communication with the outlet of the feeding portion to extrude the material, and the extrusion port is partitioned into a plurality of hole channels; and a control portion, configured to control, in a process of filling a single-communication region by utilizing the extrusion port, a relative movement between the feeding portion and the discharging portion, to change a quantity of hole channels in communication with the outlet of the feeding portion in the plurality of hole channels, thereby changing a size of the extrusion port.