Adjustable Half-Cut Depth Mechanism for Tape Tube Printers
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Solution Overview
Problem
Existing tape/tube printers face issues with setting a precise half-cut depth for different print media, leading to poor operability and increased costs due to the need for multiple cutters, and result in unintended cutting of tubes during transportation.
Innovation Solution
A tape/tube printer with an adjustable cutting mechanism that includes a blade portion and a butt portion, where the butt portion forms a gap with the receiving base, allowing for adjustment of the half-cut depth without changing the cutter or receiving base, enabling optimal setting for various print media.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the half-cut depth is set for the tape having a thin thickness, then the tape can be properly cut, but the tube is unpreparedly cut when transporting the tube after subjecting the tube to half cut
Solution Approach 1:
The cutter is made adjustable in its projection amount from the receiving base through the cam mechanism. The displacing face of the cam allows the cutter to be dynamically repositioned, changing the half-cut depth from a fixed value to an adjustable parameter. This resolves the contradiction by enabling the system to adapt to different media requirements rather than being constrained to a single fixed depth setting
2Manufacturing precision
If the half-cut depth is changed in accordance with the print medium, then the cutting precision can be improved, but the cutter needs to be interchanged at each time of changing the print medium used to pose a problem that the operability is poor
Solution Approach 1:
The cam mechanism serves multiple functions: it positions the cutter, adjusts the half-cut depth, and enables quick changes between different cutting depths for different media types. Instead of requiring separate cutters for different media, this single adjustable mechanism handles all cutting requirements, improving operability while maintaining precision
Solution Approach 2:
The cutter's projection amount is made dynamically adjustable through the cam's displacing face. This allows the operator to change cutting parameters without interchanging physical cutters, transforming a static system into a dynamic one that adapts to different printing media requirements
3Manufacturing precision
If the half-cut depth is changed in accordance with the print medium, then the cutting precision can be improved, but the cutters need to be prepared in accordance with different print media to pose a problem of increasing costs
Solution Approach 1:
The cam-based adjusting mechanism provides a universal solution that replaces multiple specialized cutters. A single cutter assembly can perform all cutting operations by adjusting the cam's displacing face, eliminating the need to prepare and maintain multiple different cutters for different media types
Solution Approach 2:
The invention merges the functions of multiple cutters into a single adjustable cutter assembly. By combining the positioning and depth-control functions into the cam mechanism, the system consolidates what would otherwise require separate physical components, reducing device complexity and cost
Data Source
AI summary
A half cut portion is provided with a receiving base for receiving a tube, and a cutter for cutting the tube. The receiving base is provided with a stroke adjusting lever on an upper portion of the receiving base, and the stroke adjusting lever is provided with a cam face in which an amount of projecting is varied by being rotated. The cutter butts to the cam face and a depth of a half cut is set according to a displacement of the amount of projecting of the cam face from the receiving base.