Printer Table Height Adjustment Mechanism for Inkjet Printers
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Solution Overview
Problem
Conventional printer table height adjustment processes are time-consuming and inaccurate, requiring belt removal and manual guesswork, leading to inconsistent alignment and quality issues in inkjet printing.
Innovation Solution
An external table height adjustment mechanism allows precise control of the image plane gap between the printer table and printheads, enabling adjustments with the belt installed, using multiple adjustment assemblies and nuts to correct imperfections in the printer system, thereby improving dot placement accuracy and consistency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional belt removal and manual adjustment method is used, then adjustment can be performed, but production time increases and alignment precision deteriorates
Solution Approach 1:
The adjustment mechanism is segmented into multiple independent adjustment assemblies distributed across the printer table, each capable of independent height adjustment. This allows localized precision adjustment without requiring complete system disassembly or time-consuming global recalibration.
Solution Approach 2:
The patent replaces manual belt removal and guesswork adjustment with a mechanical screw-based adjustment system. The adjustment assemblies use threaded rods and nuts to provide precise, controlled height adjustment, eliminating the need for time-consuming manual procedures while improving alignment accuracy.
2Measurement precision
If multiple adjustment assemblies are distributed across the printer table, then alignment precision improves, but device complexity increases
Solution Approach 1:
The adjustment system is divided into multiple identical modular adjustment assemblies distributed at different locations on the printer table. Each assembly is a self-contained unit with similar internal structure, allowing for precise local adjustment while maintaining overall system manageability through standardization.
Solution Approach 2:
The adjustment assemblies modify the height parameter of the printer table at specific locations by rotating adjustment nuts on threaded rods. This changes the vertical position parameter to achieve precise alignment between the printer table and printheads, addressing alignment issues through controlled parameter adjustment rather than complex mechanical redesign.
Data Source
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AI summary
An external table height adjustment technique for a printer system is disclosed. An operator can align an image gap between a printer table of the printer system and a printhead carriage via a height adjustment mechanism. The operator can perform the table height adjustment while a belt is installed on the printer table and media is loaded on top of the printer table. A height adjustment assembly is secured onto a supporting frame of the printer table such that an adjustment component exposed beyond an edge of the belt can raise or lower a portion of the printer table where the height adjustment assembly is secured.