Pivoting Drum Surface Treatment for Uniform Bulk Irradiation
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Solution Overview
Problem
Existing devices for collective surface treatment of multiple objects lack an efficient design that optimizes treatment quality and process flexibility, particularly for bulk materials like small metal parts.
Innovation Solution
A device with a pivoting drum holder and an articulated arm robot or multi-axis linear system for precise alignment of an irradiation unit, allowing for rotational mixing and flexible positioning during treatment, combined with a pivoting unit and extraction unit for improved treatment and safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the drum holder is fixed in a vertical loading position, then object insertion and removal is simplified, but treatment quality and alignment precision deteriorate
Solution Approach 1:
The drum holder is made dynamically adjustable between vertical loading position and tilted treatment position. This allows the system to optimize for ease of operation during loading/unloading phases and for treatment quality during the irradiation phase, resolving the contradiction between operational simplicity and treatment precision.
2Device complexity
If the irradiation unit is fixed in position, then device complexity is reduced, but alignment precision and treatment optimization deteriorate
Solution Approach 1:
The irradiation unit is mounted on a movable support structure that enables positional adjustment and articulation. This dynamic positioning capability allows precise alignment with the drum at various angles during treatment, achieving optimal treatment quality while maintaining manageable device complexity through systematic design.
3Productivity
If the drum rotates at high speed, then treatment efficiency is improved, but object mixing and coverage uniformity deteriorate
Solution Approach 1:
The drum rotation is designed as a periodic tumbling motion that alternates between different rotational phases. This periodic action ensures that objects are continuously repositioned and mixed during treatment, achieving uniform irradiation coverage across all object surfaces while maintaining high treatment efficiency through controlled rotational cycles.
4Productivity
If the receiving space is enlarged to hold more objects, then productivity is improved, but irradiation penetration and treatment quality deteriorate
Solution Approach 1:
The system dynamically adjusts the drum tilt angle and irradiation unit position to optimize radiation penetration into the bulk material. By tilting the drum during treatment, the system improves radiation access to objects throughout the receiving space, maintaining treatment quality even with larger batch sizes that increase productivity.
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 high-quality surface cleaning and roughening of bulk materials with enhanced process optimization and safety, facilitating efficient handling and replacement of treated objects.
Implementation Method 1
an irradiation unit which is arranged and designed to introduce radiation into the receiving space of the drum received in the drum holder in the working position of the drum holder and thus to treat surfaces of the objects introduced into the receiving space
Implementation Method 2
a drive unit designed to drive the drum inserted into the drum holder in rotation about an axis of rotation relative to the drum holder
Data Source
AI summary
The present invention relates to a device for the collective treatment of surfaces of a plurality of objects, comprising a receiving unit having a rotatable drum defining a receiving space for receiving objects to be treated and an irradiation unit which is arranged and designed to introduce radiation into the receiving space of the drum and thus to treat surfaces of the objects introduced into the receiving space, wherein the irradiation unit is held on an articulated arm robot or on a multi-axis linear system and is movable relative to the receiving unit.