Inkjet Head Posture Adjustment for Maintenance Access
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Solution Overview
Problem
The existing inkjet image forming apparatuses face difficulties in easily attaching and detaching inkjet heads due to their inclined posture when moved to a maintenance position, which complicates maintenance work.
Innovation Solution
A posture adjusting apparatus is introduced, featuring a mechanism to adjust the angle of the inkjet heads, allowing them to be changed from an inclined to a vertical orientation, improving the workability of head exchange by facilitating easier access and attachment/detachment during maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the inkjet head is moved to a maintenance position for access, then the head becomes accessible to the operator, but the head assumes an inclined posture that makes attachment and detachment difficult
Solution Approach 1:
The patent applies a posture adjusting mechanism that enables the inkjet head to dynamically change its orientation between an inclined position during normal operation and a vertical position during maintenance. This dynamic adjustment allows the head to be accessible while maintaining ease of attachment and detachment through proper positioning.
Solution Approach 2:
The invention changes the angular parameter of the inkjet head through the posture adjusting mechanism. By modifying the inclination angle to a vertical orientation during maintenance, the system transforms the head's posture parameter, thereby improving ease of attachment and detachment while maintaining accessibility.
2Ease of repair
If the inkjet head is positioned vertically for easy attachment and detachment, then maintenance work becomes easier, but the head cannot be properly positioned for image formation
Solution Approach 1:
The posture adjusting mechanism enables dynamic repositioning of the inkjet head between vertical orientation for maintenance and inclined orientation for image formation. This dynamic capability allows the system to switch between maintenance mode and operation mode without compromising either function.
Solution Approach 2:
The system segments the operational phases into maintenance mode (vertical position) and operation mode (inclined position). By separating these functions temporally and spatially through the posture adjusting mechanism, the patent resolves the contradiction between ease of maintenance and proper positioning for image formation.
3Ease of repair
If a posture adjusting mechanism is added to change head orientation, then attachment and detachment become easier, but the device complexity increases
Solution Approach 1:
The posture adjusting mechanism is designed to serve multiple functions: it enables easy attachment and detachment during maintenance, allows proper positioning for image formation, and can be integrated with the existing carriage system. This multi-functionality justifies the added complexity by providing benefits across multiple operational aspects.
Solution Approach 2:
The patent merges the posture adjusting function with the existing carriage and head assembly structure. By integrating the adjustment mechanism into the overall system architecture rather than adding a completely separate system, the patent minimizes the increase in device complexity while achieving the desired functionality.
Data Source
AI summary
A posture adjusting apparatus includes: an ink ejector that has a detachable inkjet head that ejects ink; and a posture adjuster for adjusting a posture of the ink ejector. The ink ejector includes a head fixing member to/from which the inkjet head is attached and detached, and is movable between a first position where an image is formed on a recording medium by the inkjet head and a second position where the inkjet head is attached and detached, and the posture adjuster allows adjustment of an angle of the head fixing member in the second position.