Modular Temperature Controlled Dispensing Tool for 3D Printers
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Solution Overview
Problem
Three-dimensional printers lack effective temperature control for material extrusion, which is crucial for achieving desired viscosity and uniformity, and existing dispensing tools are not modular enough to accommodate various material barrel sizes.
Innovation Solution
A temperature-controlled dispensing tool with a mount for robotic arms, featuring a modular temperature-controlled module that includes interchangeable barrel inserts, heating and cooling elements, temperature sensors, and a control unit to maintain precise temperature control for different materials and barrel sizes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If temperature control is added to the dispensing tool, then extrusion properties (viscosity, uniformity) are improved, but device complexity increases
Solution Approach 1:
The heating element and cooling element are integrated into a single temperature control module that combines both thermal regulation functions. This merging of heating and cooling systems into one unified structure reduces overall device complexity while maintaining precise temperature control for improved extrusion uniformity.
Solution Approach 2:
The temperature control module serves multiple functions: it heats materials to achieve desired viscosity, cools materials to prevent degradation, and maintains consistent extrusion temperatures. This multi-functionality allows a single device component to address various extrusion property requirements without proportionally increasing complexity.
2Adaptability or versatility
If modular barrel inserts are implemented to accommodate various material barrel sizes, then adaptability is improved, but device complexity increases
Solution Approach 1:
The dispensing tool is divided into modular components, specifically the barrel insert that can be removed and replaced. This segmentation allows different sized barrel inserts to be used with the same base device, providing adaptability to various material barrel sizes while keeping the overall device structure relatively simple through standardized interfaces.
Solution Approach 2:
The base dispensing tool structure is designed to universally accommodate multiple barrel insert sizes through standardized mounting interfaces. This universality allows a single device platform to handle various material barrel dimensions without requiring completely different tooling for each size.
3Temperature
If both heating and cooling elements are integrated into the same module, then temperature control precision is improved, but manufacturing complexity increases
Solution Approach 1:
Heating and cooling elements are merged into a single integrated temperature control module with shared mounting structures and control systems. This merging improves temperature control precision by coordinating both thermal actions within one unified component, while the modular design actually simplifies manufacturing compared to separate heating and cooling devices.
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
Enables adaptable temperature control for various materials, ensuring optimal extrusion properties and accommodating different material barrel sizes, thereby improving printing efficiency and quality.
Implementation Method 1
The one or more heating elements and the one or more cooling elements are in thermal communication with the barrel insert
Implementation Method 2
The one or more heating elements and the one or more cooling elements are in thermal communication with the barrel insert
Implementation Method 3
The one or more temperature sensors are configured to output a temperature signal indicative of the temperature of the temperature controlled module
Data Source
AI summary
A temperature controlled dispensing tool includes a mount and a temperature controlled module coupled to the mount. The temperature controlled module may include a barrel housing, a barrel insert, one or more heating element, one or more cooling element, one or more temperature sensors, and a control unit. The barrel insert is removably insertable into the barrel housing and configured to receive a material barrel. The one or more heating elements and the one or more cooling elements are in thermal communication with the barrel insert. The control unit is configured to determine a temperature of the temperature controlled module based on the signal of the one or more temperature sensors, and selectively operate the one or more heating elements and the one or more cooling elements thereby controlling a temperature of the temperature controlled module.