Linerless Label Printer Water Application Module Simplification
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Prior portable linerless label printers with complex water application modules face difficulties in installation and maintenance, leading to unstable water application performance due to the separation of non-woven fabrics and foam pieces, limiting the scope of application for hydrophilic adhesive labels.
Innovation Solution
A linerless label printer with a simplified water application module using a polyvinyl alcohol (PVA) water absorption sponge as the water application piece, which is fixed within a shell and designed to maintain moisture, allowing for smooth water transmission to the hydrophilic adhesive layer without requiring additional active force, reducing friction, and ensuring stable adhesion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a water application module with multiple layers of non-woven fabrics and foam piece is used, then good water absorption property and good water conductivity are achieved, but the structure becomes complicated and installation difficulty increases
Solution Approach 1:
The patent extracts and removes the complex multi-layer non-woven fabric and foam piece structure from the water application module, replacing it with a single PVA water absorption sponge that maintains good water absorption and conductivity properties while significantly simplifying the overall structure and installation process
Solution Approach 2:
The patent applies local quality by using a PVA water absorption sponge with specific localized properties - the sponge is designed with particular water absorption characteristics and conductivity features that are optimized for the specific water application needs, eliminating the need for multiple different materials with different properties
2Reliability
If a water application module with multiple layers of non-woven fabrics and foam piece is used, then good water absorption property is achieved, but after long period of use the layers may separate causing deterioration of water application performance
Solution Approach 1:
The patent uses a single integrated PVA water absorption sponge instead of multiple separate layers, eliminating the interfaces between layers where separation could occur. The sponge acts as one unified component that maintains its structural integrity and water application performance throughout its service life
Solution Approach 2:
The patent employs a PVA water absorption sponge with asymmetric internal structure that provides both water absorption and conductivity functions within a single component, preventing the symmetry-breaking separation that occurs in multi-layer constructions where layers can delaminate over time
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
The PVA water absorption sponge ensures effective and stable water application to the hydrophilic adhesive layer, simplifying the printer's structure, facilitating easy installation, and maintaining consistent performance over time, thereby expanding the printer's application range without the need for additional active force.
Implementation Method 1
the PVA water absorption sponge is made in a sheet shape, and at least one end of the PVA water absorption sponge extends downward till a bottom part of a water trough provided inside the shell
Implementation Method 2
the water application piece is a polyvinyl alcohol (PVA) water absorption sponge
Data Source
AI summary
A linerless label printer having a printing module (100); a cutting module (200) and a water application module (300) are sequentially arranged so that the cutting module (200) is provided in front of the printing module (100), the water application module (300) is provided in front of the cutting module (200); the water application module (300) comprises a shell (301) for storing water, a water application piece (303) fixed on the shell (301) and capable of obtaining water in the shell (301) to maintain moisture; the water application piece (303) comprises a water application surface (304) exposed out of an upper surface of the shell (301); a label press (302) is provided above the water application surface (304) of the water application piece (303); the water application piece is a PVA water absorption sponge. The linerless label printer has the advantages of simple structure, easy installation, as well as stable water application performance.