Flexible Plate Transport With Articulated Arm Alignment
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Solution Overview
Problem
Existing automated plate transport systems are not suitable for all steps of the printing process, particularly when plates need to be aligned and/or rotated, often requiring human operator intervention.
Innovation Solution
An apparatus and method using at least two movable elements, detection means, and a control system to align the edge of a plate by detecting measures representative of the movable elements' positions, allowing for reliable and operator-independent alignment and movement of plates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If automated plate transport systems are used, then productivity is improved, but they are not suitable for alignment steps requiring operator intervention
Solution Approach 1:
The system uses detection means to automatically detect the position and alignment of the plate edge, and the control means automatically controls the movable elements and controllable components to align and transport the plate without operator intervention, making the system self-sufficient for both transport and alignment tasks
Solution Approach 2:
The apparatus combines multiple functions into a single system: the support surface holds the plate, movable elements detect and respond to plate position, detection means measure alignment, controllable components perform alignment actions, and control means coordinates all elements - enabling the system to handle both automated transport and alignment tasks that previously required separate manual operations
2Adaptability or versatility
If human operators manually align and rotate plates, then adaptability is improved, but productivity decreases due to reduced automation
Solution Approach 1:
The system replaces manual mechanical alignment operations with an automated system where detection means electronically detect plate position, and control means electronically control movable elements and controllable components to perform alignment, substituting human mechanical manipulation with automated sensing and actuation
Solution Approach 2:
The detection means continuously monitor the position of movable elements and plate alignment, providing feedback to the control means which adjusts the controllable components and movable elements in real-time to achieve precise alignment, enabling automated adaptive control without operator intervention
3Measurement precision
If detection means directly detect the plate edge, then measurement precision is improved, but reliability decreases due to environmental conditions
Solution Approach 1:
The movable elements serve as intermediaries between the plate edge and the detection means. The detection means do not directly detect the plate edge but instead detect measures representative of the movable elements' positions, which have been mechanically influenced by the plate edge, isolating the detection system from direct exposure to environmental conditions while maintaining measurement accuracy
Data Source
AI summary
A system for moving a flexible plate, in particular a printing plate or a printing plate precursor, over a support surface in the direction of a treatment station includes a support for supporting the plate on a support surface thereof. An articulated operating arm extends substantially parallel to the support surface and comprising a first segment and a second segment. The first segment has a first end which is rotatably connected to said second segment around a first rotation axis substantially perpendicular to the support surface, and a second end provided with a plate engagement means to contact the plate. The second segment is rotatable around a second rotation axis substantially perpendicular to the support surface. A control means controls the rotation of the first and second segments such that the plate is slid over the support in the direction of the treatment station.