Swap Container Turning Mechanism for Faster 3D Powder Unpacking
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Solution Overview
Problem
The existing methods for unpacking 3D objects manufactured in swap containers by layer-by-layer application and selective solidification of powdery structural material are time-consuming and inefficient, as they require manual handling and rotation of the swap container to separate the unsolidified material from the object.
Innovation Solution
A turning device that rotates the swap container from an upright position into a removal position for discharging unsolidified structural material, allowing the 3D object to be displaced into a removal position using a drive unit, with optional manual or electrically controlled rotation, and includes a clamp for secure attachment and a cover for media-tight closure to collect or suction the material.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual handling and rotation of the swap container is used to separate unsolidified material from the object, then the unpacking process can be performed with simple equipment, but the process is time-consuming and inefficient
Solution Approach 1:
The unpacking device is divided into distinct functional modules: a rotation device for rotating the swap container, a drive unit for displacing the object, a collecting container for unsolidified material, and a suction device. This segmentation allows each component to perform its specific function efficiently, resolving the contradiction by providing automated functionality without requiring an overly complex monolithic structure.
Solution Approach 2:
A drive unit acts as an intermediary mechanism between the rotation device and the constructed object. The drive unit displaces the object relative to the swap container during rotation, ensuring the object remains properly positioned while the container rotates to discharge unsolidified material. This intermediary mechanism enables automated unpacking without direct manual handling.
2Loss of time
If the swap container is rotated to discharge unsolidified structural material, then the unsolidified material can be separated from the object, but manual rotation is time-consuming
Solution Approach 1:
The rotation device automatically rotates the swap container through 180 degrees to discharge unsolidified material into the collecting container, then rotates it back to the upright position. This self-service automated rotation eliminates time-consuming manual rotation operations while maintaining operational simplicity through a straightforward rotational mechanism.
Solution Approach 2:
The rotation device operates in a gravitational field where unsolidified material naturally falls into the collecting container during the 180-degree rotation. By positioning the container rotation to utilize gravity for material discharge, the system achieves efficient material separation without requiring additional energy input or complex mechanisms, reducing both time and operational complexity.
3Productivity
If the object is displaced into a removal position using a drive unit, then the object can be immediately removed after unpacking, but the device complexity increases
Solution Approach 1:
The drive unit is integrated with the rotation device, combining the object displacement function with the container rotation mechanism. The drive unit displaces the object relative to the swap container during or after rotation, and this integrated design allows immediate object removal while avoiding the need for separate, additional complex mechanisms.
Solution Approach 2:
The drive unit serves multiple functions: it displaces the constructed object during container rotation, positions the object for removal, and can operate in coordination with the suction device. This multi-functionality enables continuous operation and immediate object removal without requiring multiple separate devices, thereby increasing productivity without proportionally increasing overall device 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
This solution significantly optimizes the unpacking process by enabling immediate removal of the 3D object and efficient collection or suction of unsolidified material, reducing time and manual effort, and allowing for continuous operation of the device with minimal downtime.
Implementation Method 1
the swap container receives both the manufactured 3D object and the structural material that surrounds the 3D object that has remained unsolidified... The unsolidified structural material is received in a collecting container below the rotation device
Data Source
AI summary
Described are devices and methods for unpacking a three-dimensional object, manufactured in a swap container by layer-by-layer application and selective solidification of a powdery structural material, from the structural material that surrounds the object and has remained unsolidified, comprising a turning device that rotates the swap container from an upright position into an unloading position for discharging the unsolidified structural material, wherein the turning device comprises a drive unit by which the three-dimensional object is displaceable into a removal position relative to the swap container), following the unpacking of the unsolidified structural material.