Printer Roll Support Mechanism for Automatic Adjustment
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The existing printer design requires burdensome operations for removing and replacing form rolls of the same size, as the presser plates need to be adjusted to accommodate different roll widths, complicating the process.
Innovation Solution
The printer incorporates movable first support portions with pivoting and energizing mechanisms that allow for automatic adjustment and support of roll ends, enabling easy mounting and removal of form rolls without manual adjustment of the presser plates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the presser plates are fixed at a specific distance, then the roll is securely held, but the user must manually adjust the presser plates when replacing rolls of the same size, increasing operational complexity
Solution Approach 1:
The presser plates are made movable rather than fixed, allowing them to adjust automatically when rolls are installed or removed. The movable design enables the presser plates to adapt to different roll positions without requiring manual adjustment, thus maintaining secure holding while simplifying replacement operations
Solution Approach 2:
The system uses spring mechanisms that automatically adjust the presser plate positions when rolls are installed or removed. The springs provide the necessary force to move the presser plates into the correct position without user intervention, making the system self-adjusting and eliminating manual adjustment steps
2Ease of operation
If the presser plates are made movable to simplify roll replacement, then ease of operation improves, but the mechanism complexity increases due to additional components
Solution Approach 1:
The presser plate assembly is divided into separate components: the presser plates themselves, the spring mechanisms, and the mounting structure. This segmentation allows each component to perform its specific function independently, simplifying the overall design while maintaining ease of operation
Solution Approach 2:
Spring mechanisms are introduced as intermediary elements between the presser plates and the fixed mounting structure. These springs mediate the interaction by providing automatic adjustment force, enabling smooth roll replacement without requiring complex actuation mechanisms
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 design simplifies the process of removing a mounted form roll and mounting a different roll of the same size by allowing automatic adjustment of the support mechanisms, reducing user effort and improving operational efficiency.
Implementation Method 1
each of the two second support portions includes a pivoting portion, a projecting portion, and a first energizing portion. The first energizing portion energizes the pivoting portion in a direction in which the pivoting portion pivots such that the projecting portion projects from the side of the first support portion that faces the opposing first support portion
Data Source
AI summary
A printer includes a printing portion, two plate-shaped first support portions, a moving portion, a restricting portion, and two second support portions. The first support portions are disposed opposite one another and support opposite ends of the roll. The moving portion supports the first support portions movably. The restricting portion restricts movement of the first support portions. The second support portions support the ends of the roll. Each second support portion includes a pivoting portion, a projecting portion, and an energizing portion. The pivoting portion is supported pivotally. The projecting portion projects from the pivoting portion in a direction that intersects an axis parallel to the plane of an associated first support portion. The energizing portion energizes the pivoting portion in a direction in which the pivoting portion pivots such that the projecting portion projects from the side of the first support portion that faces the opposing first support portion.