Inkjet Head Cleaning Device With Segmented Suction
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Solution Overview
Problem
Existing cleaning devices for liquid jet heads with guard members face challenges in efficiently cleaning the jet plate while preventing cleaning liquid from leaking along the guard member's opening, which can lead to contamination and reduced cleaning efficiency.
Innovation Solution
A cleaning device with a holder that moves relative to the liquid jet head, featuring a jet section, a wipe part with a width smaller than the guard member's opening, and suction sections ahead and behind the wipe part to capture any leaked cleaning liquid, ensuring effective cleaning and preventing leakage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the wipe part width is reduced to fit through the guard member opening, then the cleaning device can access the jet plate, but cleaning liquid leaks along the opening and contaminates peripheral areas
Solution Approach 1:
A holder is introduced as an intermediary component that receives cleaning liquid at its rear end and transports it to the front end for discharge onto the jet plate. This mediator structure prevents cleaning liquid from leaking along the guard member opening while ensuring proper delivery to the cleaning area
Solution Approach 2:
The holder utilizes fluid dynamics principles to contain and transport cleaning liquid through its internal passage from rear to front, preventing uncontrolled leakage along the opening while maintaining efficient delivery to the jet plate surface
2Ease of operation
If the wipe part width is reduced to fit through the guard member opening, then the cleaning device can access the jet plate, but the cleaning efficiency decreases
Solution Approach 1:
The holder's internal fluid passage system efficiently delivers cleaning liquid to the front end where it is discharged onto the jet plate, compensating for the reduced wipe part width by ensuring adequate liquid supply for effective cleaning
Solution Approach 2:
The cleaning mechanism transitions from relying solely on wipe part contact to a combined approach where cleaning liquid delivery through the holder's three-dimensional structure provides the necessary cleaning action, offsetting the limited width of the wipe part
3Object-affected harmful factors
If the holder is provided with both first and second suction sections, then cleaning liquid leakage is prevented, but the device complexity increases
Solution Approach 1:
The suction function is divided into two separate suction sections positioned at different locations, each handling specific leakage prevention tasks. This segmentation allows for targeted control of cleaning liquid at different points in the system
Solution Approach 2:
The suction sections act as intermediary control elements that actively manage cleaning liquid flow, creating negative pressure zones to prevent leakage while maintaining the simplicity of the overall holder structure
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
The device efficiently cleans the jet plate with the guard member in place, enhancing cleaning performance by maintaining the cleaning liquid's wetness on the wipe part and preventing leakage, thus maintaining the cleanliness of the liquid jet head.
Implementation Method 1
a first suction section disposed ahead of the jet section and the wipe part in the moving direction of the holder, and a second suction section disposed posterior to the jet section and the wipe part in the moving direction of the holder
Data Source
AI summary
There is provided a cleaning device for a liquid jet head which can efficiently clean a jet plate attached with a guard member while preventing cleaning liquid from being leaked along an opening of the guard member. The cleaning device for the inkjet head includes a holder moving relatively to the inkjet head, wherein the holder includes a jet section for jetting the cleaning liquid toward a nozzle guard of the inkjet head, a wipe part which has a width in a width direction perpendicular to a moving direction of the holder smaller than a width of an opening of the nozzle guard, and which wipes a nozzle plate due to a movement of the holder, a first suction section disposed ahead of the jet section and the wipe part in the moving direction of the holder, and a second suction section disposed posterior to the jet section and the wipe part in the moving direction of the holder.