Printer Cutter Blade Alignment via Movable Module
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Solution Overview
Problem
The clamshell-type printer apparatus faces issues with the angle between the movable and fixed blades in the cutter unit being affected by dimension and positional errors, leading to either short lifetime or blunt cutting due to suboptimal blade alignment.
Innovation Solution
A printer module with a positioning unit that ensures the movable blade module is optimally aligned with the fixed blade module, allowing for slight movement relative to the rotationally openable lid, thereby stabilizing the angle between the blades and minimizing the impact of assembly errors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the angle between the movable blade and fixed blade is increased to accommodate dimension errors, then the cutter can be more robust, but the cutting performance deteriorates and blade lifetime shortens
Solution Approach 1:
The movable blade module is designed to be movable relative to the rotationally openable lid, allowing the blade assembly to dynamically adjust its position and angle during operation. This dynamic configuration enables the cutter to maintain optimal blade alignment despite dimensional variations in the printer apparatus, resolving the contradiction between robustness and cutting performance.
Solution Approach 2:
The invention changes the angle parameter between the movable blade and fixed blade from a fixed value to a variable that can be optimized. By making the movable blade module adjustable, the system can optimize the blade angle for both robustness and cutting performance, rather than being constrained by a single fixed angle design.
2Volume of moving object
If the printer apparatus size is reduced, then the portability is improved, but the dimension errors affect the blade angle more significantly
Solution Approach 1:
The movable blade module introduces dynamic adjustability to compensate for the reduced manufacturing precision tolerance in compact devices. By allowing the blade assembly to move and self-align, the system maintains accurate cutting angles despite the smaller size and associated dimensional variations.
Solution Approach 2:
The movable blade module is configured to automatically position itself at the optimal angle through its own movement capabilities, without requiring external adjustment mechanisms. This self-positioning feature ensures precise blade alignment in compact printers where manual or complex adjustment systems would be impractical.
3Strength
If the movable blade module is fixed rigidly, then the structural stability is improved, but the angle cannot be optimized and cutter lifetime decreases
Solution Approach 1:
The invention transitions from a rigid fixed structure to a dynamically adjustable structure. The movable blade module maintains structural stability through its controlled movement mechanism while enabling angle optimization, thereby extending cutter lifetime by preventing premature wear from suboptimal blade alignment.
Solution Approach 2:
The system changes the angular parameter of the blade assembly from a fixed value to an optimizable variable. This parameter change allows the cutter to operate at optimal angles for extended periods, significantly extending blade lifetime while maintaining structural integrity through the controlled movement design.
Data Source
AI summary
A printer module for use in a printer apparatus having a rotationally openable lid includes a fixed blade module having a fixed blade, a movable blade module having a movable blade and configured to be joined to the fixed blade module such that the movable blade and the fixed blade face each other, and a positioning unit configured to position the movable blade module relative to the fixed blade module such that an angle between the movable blade and the fixed blade becomes optimum upon joining the movable blade module to the fixed blade module, wherein the movable blade module is configured to be movable relative to the rotationally openable lid upon being mounted on the rotationally openable lid of the printer apparatus.