Ink Supply System with Segmented Discharge Openings
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Solution Overview
Problem
Existing ink supply systems for printing machines require manual intervention to monitor ink levels and distribute ink within the chamber, leading to inefficient filling and premature cartridge replacement, as ink does not naturally flow to consumption areas, causing operational stoppages and wasteful cartridge exchanges.
Innovation Solution
A system with multiple discharge openings connected to ink cartridges via a common distribution channel or individual hoses, utilizing a level sensor and compressed air to ensure automatic and efficient ink distribution, allowing for precise control of ink flow and reducing manual labor by ensuring cartridges are replaced only when empty.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual monitoring and distribution of ink is used, then the system is simple in structure, but the productivity decreases due to frequent manual intervention and operational stoppages
Solution Approach 1:
The ink chamber is divided into multiple zones with separate discharge openings distributed throughout the chamber. Each discharge opening can independently receive ink from cartridges via individual channels or a common distribution channel, allowing localized ink supply to high-consumption areas without requiring complete chamber emptying or manual redistribution
Solution Approach 2:
The system incorporates automatic level sensing that triggers ink supply operations without manual intervention. When the sensor detects low ink levels at specific discharge openings, the system automatically replenishes ink from cartridges, enabling continuous operation and eliminating the need for operators to manually monitor and refill the entire chamber
2Reliability
If ink is supplied through a single central opening, then the device complexity is low, but the ink distribution becomes non-uniform and consumption areas are not adequately supplied
Solution Approach 1:
The single central discharge opening is segmented into multiple discharge openings distributed at different locations within the ink chamber. This segmentation allows ink to be delivered directly to multiple consumption zones simultaneously, ensuring uniform distribution and preventing localized depletion that would occur with a single central opening
Solution Approach 2:
Different discharge openings are positioned at specific locations corresponding to high-consumption areas within the printing chamber. Each discharge opening provides localized ink supply tailored to the needs of its corresponding region, ensuring that areas with greater consumption rates receive adequate ink without relying on passive diffusion from a central point
3Productivity
If operators replace cartridges preemptively, then operational stoppages are avoided, but economic efficiency decreases due to premature replacement of non-empty cartridges
Solution Approach 1:
Level sensors provide real-time feedback on ink levels at each discharge opening, enabling the system to monitor actual consumption and trigger cartridge replacement only when ink is depleted at specific locations. This feedback mechanism eliminates the need for preemptive replacement based on estimates, allowing operators to replace cartridges precisely when needed and maximizing ink utilization
Solution Approach 2:
The system performs preliminary detection of ink levels through sensors before depletion occurs, allowing advance planning of cartridge replacement without requiring early replacement. The sensor system identifies low ink conditions at discharge openings, triggering automated or alerted replacement actions that maintain operational continuity while avoiding premature disposal of cartridges with remaining ink
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 enables continuous, reliable ink supply to printing machines, optimizing ink distribution and reducing waste by ensuring ink is only replaced when completely depleted, thus minimizing operational interruptions and improving economic efficiency.
Implementation Method 1
a level sensor (11), which detects the level of ink in the chamber (21)
Implementation Method 2
the ink case (2) is a pressure container and that a compressed air channel (8) is able to supply compressed air to the ink case (2) in an area above a piston (20) in the ink cartridge (12)
Data Source
AI summary
An automatic ink filling system for printing machines, where a pipe (3) has a plurality of inlet openings (4) and outlet openings (5), said inlet openings (4) being connected with a base member (6) of an ink case, in which case an ink cartridge (20) with ink is disposed, while an air hose (8) is connected at the cover (7) of the ink case via a magnetic valve (9), which is in turn connected with a level sensor (11) via a control, so that compressed air may be supplied to the ink in the cartridge (20), whereby it is pressed out through the outlet opening (5) and down into the ink chamber (21).