Flexographic Print Station Automatic Inking Roller Support System
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Solution Overview
Problem
Existing flexographic print stations require significant downtime for inking roller changes or cleaning, as they necessitate manual intervention, which disrupts the production process.
Innovation Solution
A flexographic print station with an automatic system for supporting and moving inking rollers, allowing rapid and automated changes by using a fork-shaped support arm and movement groups to position inking rollers at different locations within the station, enabling simultaneous use of multiple rollers with different screen surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual intervention is used for inking roller changes, then operation simplicity is maintained, but machine downtime increases significantly
Solution Approach 1:
The system enables self-service through automated support arms that can independently grasp, lift, move, and position inking rollers without human intervention. The automated system includes motors, control units, and positioning mechanisms that work autonomously to replace rollers, eliminating the need for manual handling while reducing machine downtime.
Solution Approach 2:
The invention implements preliminary action by having multiple inking rollers pre-positioned on support structures within the printing system. These备用 rollers are ready for immediate installation when a roller needs replacement, eliminating the need for manual retrieval and preparation of replacement rollers during operation.
2Device complexity
If inking rollers are changed manually, then device complexity is kept simple, but productivity decreases due to prolonged downtime
Solution Approach 1:
The system segments the inking roller support function into multiple independent support arms, each capable of independently handling roller replacement. This modular segmentation allows parallel operations where one support arm performs maintenance while others continue printing operations, thereby maintaining productivity without excessive overall system complexity.
Solution Approach 2:
The invention introduces a vertical dimension to roller replacement by using support arms that move rollers between different height positions. This dimensional change enables rollers to be replaced without horizontal movement through the printing area, allowing continuous printing operations while reducing the time required for roller changes and thus maintaining productivity.
3Loss of time
If automated support arms are introduced, then machine downtime is reduced, but device complexity increases
Solution Approach 1:
The support arms are designed with multi-functionality, serving multiple purposes: supporting inking rollers during printing operations, enabling automated roller replacement, positioning rollers for cleaning operations, and facilitating roller maintenance. This universal design reduces the need for separate dedicated components for each function, thereby reducing overall system complexity while achieving automated roller handling.
Solution Approach 2:
The invention merges the functions of roller support, roller positioning, and roller replacement into a single integrated automated system. The support arms combine structural support with automated handling capabilities, and the control unit integrates multiple control functions into one centralized system, reducing the number of separate components and simplifying the overall architecture.
4Adaptability or versatility
If multiple inking rollers with different screen surfaces are stored, then printing versatility is improved, but device complexity increases
Solution Approach 1:
The system implements preliminary action by pre-storing multiple inking rollers with different screen surfaces on the support structures. These rollers are prepared and positioned in advance, allowing the system to switch between different printing configurations (colors, intensities) by simply changing the roller, without requiring complex real-time selection or preparation mechanisms.
Solution Approach 2:
The invention introduces dynamic capability to the roller management system through automated support arms that can move between different rollers stored on support structures. This dynamic positioning allows the system to adapt to different printing requirements by rapidly switching between pre-stored rollers with different screen surfaces, achieving versatility without requiring complex real-time roller manufacturing or preparation systems.
Data Source
Figure 1A
Figure 1B
Figure 1C
AI summary
The print station (100) comprises: a chamber (L) in which a cardboard sheet transits, on which a print is to be made; a first pair of support elements (11 A, 11 B) of an inking roller on the internal faces of two opposite and facing walls (T1, T2) of the chamber (L); at least a second pair of support elements (12A, 12B) of an inking roller on the internal faces of the two walls (T1, T2) and a carriage (M) positionable internally of the chamber (L) and conformed to be able to restingly receive an inking roller (RS). The print station (100) further comprises an automatic system (S) of support and movement of an inking roller for moving and positioning an inking roller whether: in a raised operating position (O), below a print roller; in a first lowered position (P1) at the first pair of support elements (11 A, 11B), for releasing or collecting an inking roller (RS); in a second lowered position (P2) at the second pair of support elements (12A, 21 B) for releasing or collecting an inking roller (RS); in a third lowered position (P3) at the carriage (M) for releasing or collecting an inking roller (RS).