Heater Roller and Guide Structure for Flexible Screen Frame Lamination
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Solution Overview
Problem
The manufacturing of flexible window screens is labor-intensive and inefficient, with manual processes leading to time-consuming production and inferior weld quality due to polymer coating interference and contamination, affecting the durability and ease of handling.
Innovation Solution
A mesh to flexible screen frame laminator system comprising an entry table, processing table, and exit table, with heater rollers and tensioning rollers to automate the fusion of screen mesh to flexible frames, using adjustable and textured rollers to maintain frame rectilinearity and apply heat uniformly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual processes are used for manufacturing flexible window screens, then labor flexibility is maintained, but production efficiency is low and cycle times are long
Solution Approach 1:
The patent replaces manual mechanical operations with an automated heating and fusing system. The laminator uses heated rollers and controlled heating elements to automatically fuse mesh material to flexible screen frames, eliminating manual labor while maintaining precise control over the manufacturing process.
Solution Approach 2:
The patent controls the manufacturing process by adjusting parameters such as heating temperature, pressure application, and cycle time. The system allows for optimized heating parameters and pressure settings to achieve consistent fusion quality while reducing overall cycle times compared to manual processes.
2Strength
If resistance welding is used to join frame ends, then structural integrity is achieved, but polymer coating interference causes inferior weld quality
Solution Approach 1:
The patent applies preliminary heating to the polymer coating material before welding occurs. This pre-heating step softens or removes the polymer coating from the frame ends, clearing the interference that would otherwise prevent proper electrical contact and weld formation during the resistance welding process.
Solution Approach 2:
The patent utilizes phase transition of the polymer coating material from solid to softened/molten state through controlled heating. This phase change allows the polymer to be removed or rendered non-interfering before welding, enabling successful electrical contact and weld formation.
3Ease of operation
If flexible screen frames are deformed for insertion, then ease of installation is achieved, but frame rectilinearity is compromised
Solution Approach 1:
The patent employs dynamically adjustable heating rollers and tensioning rollers that can adapt their position and pressure during the fusing process. This dynamic adjustment allows the system to maintain proper frame geometry and rectilinearity while applying the necessary heat and pressure for fusion, preventing permanent deformation.
Solution Approach 2:
The patent incorporates feedback mechanisms through adjustable rollers and tensioning devices that respond to frame position and shape during processing. This feedback control ensures that frames maintain their rectilinear shape during the fusing operation, preventing the kind of deformation that would compromise installation quality.
4Manufacturing precision
If heated air is applied to fuse mesh and frame, then fusion quality is improved, but handling damage increases
Solution Approach 1:
The patent introduces heated rollers as an intermediary medium between the heat source and the mesh-frame assembly. These rollers apply heat through controlled contact, distributing thermal energy evenly while providing mechanical support and protection to the delicate mesh and frame materials, preventing handling damage during the fusion process.
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
Facilitates efficient and high-quality production of durable flexible window screens by automating the fusion process, reducing cycle times, and minimizing handling-related damage while ensuring consistent fusion and polymer adhesion.
Implementation Method 1
heat is applied to shrink it
Implementation Method 2
heated air is applied directly to the mesh and the frame to fuse the mesh material through the polymer coating
Implementation Method 3
application of heat and pressure to the materials to create a plastic welded permanent fusion
Data Source
AI summary
A mesh to flexible screen frame laminator heater roller structure including a first pair of selectively driven rollers which are shiftable between a raised position and a lowered position relative to a first table. At least one driven roller of the first pair of the first pair of selectively driven rollers is smooth and another of the driven rollers of the first pair of selectively driven rollers is textured to facilitate movement of the flexible screen frame.