Bent Guide Frame Structure for Stable Printhead Movement
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Solution Overview
Problem
Existing printing devices face issues with insufficient rigidity in the sub-scanning direction, leading to vibrations and reduced printing quality due to inadequate support of the carriage during movement.
Innovation Solution
A printing device with a guide frame that includes a first and second bent section formed by bending a metal plate, providing enhanced rigidity and stability to the guide frame, which guides the head unit in both the main and sub-scanning directions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a conventional guide frame structure is used, then the device complexity is low, but the rigidity in the sub-scanning direction is insufficient causing vibrations and reduced printing quality
Solution Approach 1:
The guide frame incorporates bent sections with curved geometries instead of straight lines, creating arc-shaped support structures that naturally resist lateral forces during carriage movement. These curved sections provide enhanced rigidity in the sub-scanning direction while maintaining structural efficiency and avoiding excessive complexity.
2Ease of operation
If the carriage is moved in the sub-scanning direction without adequate support, then the ease of operation is improved, but vibrations and load increase reducing printing quality
Solution Approach 1:
The guide frame is pre-configured with bent support sections positioned to provide rigidity before the carriage movement begins. These pre-positioned structural elements ensure that when the carriage moves in the sub-scanning direction, the vibrations and loads are immediately counteracted by the rigid guide structure, maintaining printing quality while allowing smooth operation.
Data Source
AI summary
A printing device 10 includes a head unit 39 configured to eject liquid onto a medium; a first movement section 37 configured to move the head unit 39 in a width direction X; a guide frame 40 configured to guide movement of the head unit 39 in a width direction X; and a second movement section 38 configured to move the first movement section 37 in a forward and rearward direction Y intersecting the width direction X, wherein the guide frame 40 includes a first bent section 81 formed by bending a metal plate along the width direction X and a second bent section 82 formed by bending the metal plate along the width direction X, and guides the head unit 39 by a first guide section 84, which is between the first bent section 81 and the second bent section 82.