Label Printer Peeling Cover for Easy Backing Paper Loading
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Solution Overview
Problem
In existing printer devices, it is difficult to set the leading edge of the backing paper in the conveyance path when replacing label paper, especially in environments where the backing paper is positioned at the bottom of the device, such as in a shipping line.
Innovation Solution
A peeling cover portion that rotates around a perpendicular shaft, allowing the peeling pinch roller to be pressed against the peeling roller, and a holding unit that aligns the cover portion to facilitate easy insertion of the backing paper into the conveyance path during label paper replacement, using a protruding portion and magnet for secure positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the backing paper is positioned at the bottom of the printer device for shipping line operation, then the printing function is improved, but the ease of operation deteriorates because it becomes difficult to insert the operator's hand into the bottom to set the leading edge of the backing paper
Solution Approach 1:
The printer device is segmented into an upper housing for label paper loading and a lower section for backing paper processing. The peeling cover portion can be opened independently to provide access to the conveyance path at the bottom, allowing operators to set backing paper without opening the main housing. This segmentation resolves the contradiction by maintaining the bottom-positioned backing paper for printing efficiency while providing a separate access mechanism for ease of operation.
Solution Approach 2:
The peeling cover portion acts as an intermediary element between the operator and the conveyance path. By opening this cover, operators can insert their hand into the bottom section to set the leading edge of the backing paper in the conveyance path. This intermediary structure enables easy access to the otherwise difficult-to-reach conveyance path while maintaining the printing function at the bottom of the device.
2Ease of manufacture
If the housing is opened from above to replace label paper, then the label paper replacement is simplified, but the backing paper positioning becomes difficult due to limited access to the bottom conveyance path
Solution Approach 1:
The housing is divided into separate functional sections: the upper housing for label paper replacement and the lower peeling cover portion for backing paper positioning. This segmentation allows each operation to be performed independently through its designated access point, resolving the contradiction between easy label paper replacement and easy backing paper positioning.
Solution Approach 2:
Access to the conveyance path is provided through a vertical dimension by opening the peeling cover portion at the bottom, rather than requiring horizontal access from the side or top. This dimensional change allows operators to easily position backing paper while maintaining the top-loading housing design for label paper replacement.
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
Enables easy and efficient setting of the backing paper in the conveyance path, improving operational ease and reducing the need for direct access to the bottom of the printer device during label paper replacement.
Implementation Method 1
a holding unit that holds the peeling cover portion at a paper replacement position where replacement backing paper is inserted between the peeling roller and the peeling pinch roller
Data Source
AI summary
A printer device in which a backing paper from which a label is peeled off after printing can be easily set in a conveyance path provided at a bottom of the printer device when replacing a label paper. A label printer includes: a peeling roller and a peeling pinch roller that interpose and wind the backing paper after the label is peeled off; a peeling cover portion provided at the bottom of the printer device, holding the peeling pinch roller to be pressed against the peeling roller by supporting the peeling pinch roller and rotating the peeling cover portion around a rotation shaft perpendicular to a conveyance direction of the backing paper;and a protruding portion and a magnet that holds the peeling cover portion at a label paper replacement position.