Cosmetic Coating Device for Uniform Cleansing Sheet Thickness
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Solution Overview
Problem
Existing cleansing sheet manufacturing processes face challenges in ensuring uniform thickness application, precise temperature and time control for solidification, and efficient adhesion of the liquid composition to release paper, leading to reduced product quality and productivity.
Innovation Solution
A cosmetic coating device with a composition supply part, solidifying treatment part, and sheet forming part, utilizing rollers, light sources, and temperature adjustment to apply and solidify a liquid composition uniformly on a support body, such as release paper, to form high-quality cleansing sheets.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a liquid composition is applied to release paper using existing coating equipment, then the manufacturing process can be completed, but the thickness uniformity is poor and product quality is reduced
Solution Approach 1:
The coating device is divided into multiple functional modules: a composition supply unit with a composition tank and pump, a coating unit with a coating roller, and a drying unit with heating elements. This segmentation allows each module to be optimized independently for its specific function, ensuring uniform thickness application while maintaining high productivity through coordinated operation of all modules.
Solution Approach 2:
The device incorporates adjustable parameters including variable coating roller speeds, controllable pump flow rates, and adjustable heating temperatures. These dynamic controls enable real-time optimization of the coating process to maintain uniform thickness while adapting to different production rates, resolving the contradiction between precision and productivity.
2Manufacturing precision
If temperature and time control is not precise during composition solidification, then the manufacturing process is simpler, but the composition is not solidified at appropriate speed and consistent product quality cannot be maintained
Solution Approach 1:
The drying unit incorporates temperature sensors that monitor the heating process in real-time and provide feedback to the control system. This feedback mechanism enables precise automatic adjustment of heating power and processing time to achieve optimal solidification conditions consistently, maintaining high manufacturing precision while managing device complexity through automation.
Solution Approach 2:
The device allows adjustment of multiple parameters including heating temperature, drying time, and composition composition to optimize the solidification process. By changing these parameters within controlled ranges, the system achieves precise solidification control without requiring overly complex equipment, balancing manufacturing precision with device complexity.
3Productivity
If the composition drying and solidifying process is inefficient, then the manufacturing process is faster, but productivity decreases and adhesion of composition to release paper is poor
Solution Approach 1:
The drying unit operates continuously along the path of the release paper, providing uninterrupted heating and solidification treatment as the paper moves through the system. This continuous action ensures that the composition is thoroughly dried and adheres reliably to the release paper while maintaining high production speed, resolving the contradiction between productivity and reliability.
Solution Approach 2:
The heating elements operate in controlled cycles with adjustable on/off timing and temperature variations during the drying process. This periodic heating pattern efficiently solidifies the composition by alternating between heat application and cooling periods, ensuring strong adhesion while maintaining fast production throughput.
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 device enables even application, precise drying and solidification, and consistent product quality, enhancing manufacturing efficiency and consumer satisfaction.
Implementation Method 1
a light irradiation module that cures the liquid composition by photopolymerization
Implementation Method 2
a heating unit that heats the liquid composition to facilitate drying and solidification
Data Source
AI summary
Disclosed is a cosmetic coating device according to various embodiments. The cosmetic coating device may include a composition supply part applying a composition in a flowing state on one surface of a support body, a solidifying treatment part receiving the support body having the composition applied thereon from the composition supply part and performing a curing operation on the support body having the composition applied thereon, and a sheet forming part manufacturing a sheet using the support body having the one surface on which the composition is solidified after passing through the solidifying treatment part.