Semi-Automated Sublimation Printer with Modular Heating Platens
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Solution Overview
Problem
Existing dye sublimation printing systems are not well-suited for retail environments due to large size, inefficiencies in heat and pressure application, and limited adaptability to various product shapes and materials, leading to safety and efficiency concerns.
Innovation Solution
A modular integrated sublimation printing apparatus with a dye sublimation transfer printer, platen, and heating platens, designed for semi-automated operation, capable of sublimating images onto different product types using a single thermal cycle, with a user interface and protective housing to ensure safety and efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a large chamber with fluid pressure system and vacuum system is used for sublimation, then sublimation capability is achieved, but device size and complexity increase
Solution Approach 1:
The patent removes the complex fluid pressure system and vacuum system from the sublimation chamber, extracting only the essential heating function. The heating platen directly applies heat and pressure to the product on the platen surface, eliminating the need for separate pressure and vacuum systems while maintaining sublimation capability.
Solution Approach 2:
The heating platen combines multiple functions into a single component: it provides heating, applies pressure, and serves as the product support surface. This merging of functions eliminates the need for separate systems for each function, reducing overall device complexity.
2Productivity
If heating is applied rapidly to reach sublimation temperature, then production speed improves, but safety hazards and ambient heating increase
Solution Approach 1:
The heating platen applies heat locally and directly to the product surface rather than heating a large chamber volume. This localized heating approach reaches sublimation temperature quickly for the product while minimizing ambient heating of the surrounding environment, thus improving productivity without creating safety hazards.
Solution Approach 2:
The platen acts as an intermediary between the heating source and the product, providing direct thermal contact. This intermediary approach enables rapid heat transfer to the product surface while the housing contains and controls the heat, preventing ambient heating and safety hazards.
3Device complexity
If a single platen design is used for all products, then device simplicity is maintained, but adaptability to various product shapes is reduced
Solution Approach 1:
The platen is designed with adjustable and reconfigurable features that allow it to adapt to different product shapes and sizes. The heating platen can be positioned and configured dynamically to match various product geometries, maintaining device simplicity while achieving versatility through flexible adjustment mechanisms.
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 apparatus enables on-demand production of personalized products with improved safety, efficiency, and adaptability, reducing wait times and energy consumption while maintaining high-quality sublimation results across various materials and shapes.
Implementation Method 1
Dye sublimation is a process employing heat and pressure to convert solid dyes into gaseous form without entering an intermediate liquid phase. Such a process can infuse colored dye into certain compatible materials, such as polyester or ceramics, to create a permanent printed image on the material.
Implementation Method 2
Dye sublimation is a process employing heat and pressure to convert solid dyes into gaseous form without entering an intermediate liquid phase.
Data Source
AI summary
A dye sublimation apparatus is disclosed. The apparatus is configured to either print one or more images onto transfer media, or to print images directly onto products. A selected product to receive the image(s) is positioned on a platen configured to receive one or more types of such products into channels matching those products' dimensions. Proper positioning of the transfer media (or the product, when directly printed) is facilitated by aligning fiducial markers printed on the transfer media and/or product with one or more lights disposed on the platen. The apparatus comprises one or more heating platens configured to sublimate one or more sides of the product in a single thermal cycle with a predetermined temperature, pressure, and duration based on properties of the product. The product platen is translated inside and out of the apparatus by a reversible motor.