Tape Cutter Lid Support for Half-Cutting Accuracy
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Solution Overview
Problem
The existing tape printing apparatuses face issues with accurately half-cutting tapes due to the displacement of the receiving portion when pressed by the movable portion, leading to an escape of pressing force and incomplete cuts.
Innovation Solution
A tape printing apparatus with a half cutter and a lid, where the lid provides support to the receiving portion and a movable portion with a blade, ensuring the receiving portion is pressed effectively and preventing displacement, thus ensuring proper half-cutting of the tape.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the movable portion presses the receiving portion to half-cut the tape, then the cutting function is achieved, but the receiving portion displaces to the side opposite to the movable portion, causing the pressing force to escape and the cut to be incomplete
Solution Approach 1:
The lid-side receiving support portion is pre-configured to support the receiving portion before the pressing action occurs. This preliminary support structure prevents displacement from the outset, ensuring the receiving portion remains stable during the cutting operation and the pressing force is effectively transmitted for complete cutting.
Solution Approach 2:
The lid-side receiving support portion acts as an intermediary element between the receiving portion and the external environment. It mediates the pressing force transmission and prevents the receiving portion from displacing, thereby resolving the contradiction between achieving the cut and maintaining stability.
2Reliability
If the receiving portion is free to move during pressing, then the structure remains simple and easy to manufacture, but the pressing force escapes and the tape cannot be properly half-cut
Solution Approach 1:
Instead of making the entire structure complex, the support function is localized to a specific portion of the lid. The lid-side receiving support portion is added only where needed to support the receiving portion, maintaining simplicity elsewhere while ensuring cutting reliability at the critical location.
Solution Approach 2:
The support structure is pre-configured in the lid before operation. This preliminary arrangement ensures that when pressing occurs, the receiving portion is already supported and cannot displace, thereby guaranteeing reliable cutting without requiring complex real-time control mechanisms.
Data Source
AI summary
Provided is a tape printing apparatus including a half cutter and a mounting portion lid. The half cutter has a half-receiving portion and a half-movable portion, the half-movable portion includes a half-movable blade and comes into contact with or separates from the half-receiving portion, a first side, which is one side of the half-movable blade in a blade length direction, is open between the half-receiving portion and the half-movable portion, and the mounting portion lid opens and closes a cutter mounting portion on which the half cutter is mounted. The mounting portion lid is provided with a lid-side half-receiving support portion that supports at least one of an end on the first side of the half-receiving portion and an end on the first side of a third frame portion that supports the half-receiving portion pressed by the half-movable portion when the mounting portion lid is closed.