Winding Shaft Alignment Marks for Accurate Media Rewinding
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Solution Overview
Problem
Existing recording devices face challenges in accurately aligning the axial direction of a medium with the direction of a paper tube during rewinding, leading to uneven winding due to visual attachment errors.
Innovation Solution
The recording device incorporates a flat top surface section with a positioning section and orthogonal marks to guide the placement of a winding shaft, ensuring proper alignment and stabilization during rewinding operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If visual measurement is used to attach the medium end to the paper tube, then the operation is simple and quick, but the alignment accuracy between the medium axial direction and the paper tube axial direction deteriorates
Solution Approach 1:
The patent introduces an intermediary tool (the flat top surface section with positioning section and orthogonal marks) that mediates between the user's visual attachment operation and the required precise alignment. The positioning section and orthogonal marks serve as intermediate reference elements that guide the attachment process, enabling accurate alignment without requiring advanced visual measurement skills from the user.
Solution Approach 2:
The patent implements preliminary action by pre-configuring the flat top surface section with the positioning section and orthogonal marks before the attachment operation. This preparation creates a ready-made alignment guide system that automatically ensures proper orientation when the medium is attached, eliminating the need for complex real-time alignment adjustments during the attachment process.
2Productivity
If the medium is attached at an angle to the paper tube axial direction, then the attachment process is completed, but the medium winding quality deteriorates due to meandering and unevenness
Solution Approach 1:
The orthogonal marks on the flat top surface section serve as intermediary reference elements that guide the attachment process. By aligning the medium with these marks, the system ensures that the attachment angle is correct, preventing meandering during winding while maintaining operational efficiency. The marks act as a visual intermediary that translates the requirement for precise angular alignment into a simple visual alignment task.
Solution Approach 2:
The patent utilizes visual markers (orthogonal marks) that provide clear visual contrast and orientation cues. These marks create a visual reference system that guides the user in achieving the correct attachment angle, ensuring that the medium is aligned properly with the paper tube axial direction, thereby preventing meandering and ensuring uniform winding.
Data Source
AI summary
A recording device is provided with a feed out section for feeding out a medium from a roll body, a medium transport device for transporting the medium feed out in a transport direction from the feed out section, a recording section for recording on the medium transported by the medium transport device, and an exterior for housing the recording section and the medium transport device and also having a flat top surface section. The top surface section is provided with a positioning section on which a winding shaft for winding a medium can be placed, and in which a placement position of the winding shaft is determined by placing the winding shaft in contact therewith. An orthogonal mark is provided that indicates a direction that is orthogonal to an axial direction of the winding shaft positioned by the positioning section.