Modular Hot Melt Adhesive Delivery System with Interchangeable Metering Stations
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Solution Overview
Problem
Conventional hot melt adhesive and thermoplastic material delivery systems are inflexible and costly to adapt to different application procedures, requiring multiple systems for various manufacturing processes, which is economically unviable.
Innovation Solution
A modular system with attachable and detachable metering stations and supply assemblies, allowing for interchangeable connections via fasteners and check valves to accommodate various application procedures without the need for multiple fixed systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional fixed delivery systems are designed for specific application requirements, then the system can effectively meet predetermined application parameters, but the system lacks flexibility to accommodate different deposition procedures and requires multiple separate systems
Solution Approach 1:
The delivery system is divided into modular components including a supply assembly with tank and heater, a metering assembly with pump and controller, and connecting fluid lines. Each module can be independently configured and connected through standardized interfaces, allowing the system to be adapted to different application procedures without redesigning the entire system.
Solution Approach 2:
The modular components are designed with universal interfaces and standardized connection mechanisms that allow the same supply assembly and metering assembly to be used across multiple different deposition applications. The system can accommodate various fluid materials and application requirements through configuration changes rather than requiring dedicated systems for each application type.
2Adaptability or versatility
If multiple fixed delivery systems are installed to accommodate various deposition procedures, then each procedure has a dedicated system, but the cost becomes prohibitively expensive
Solution Approach 1:
A single modular delivery system can be reconfigured to perform multiple deposition procedures by changing the configuration of metering stations, fluid line connections, and applicator positions. This eliminates the need to purchase and install multiple separate fixed systems, significantly reducing capital equipment costs while maintaining the ability to serve various application procedures.
Solution Approach 2:
The system incorporates adjustable and reconfigurable components that can be dynamically adjusted between different deposition procedures. Metering pump parameters, heating temperatures, and fluid flow rates can be modified through control systems, allowing the same physical hardware to adapt to different material properties and application requirements without requiring multiple dedicated systems.
3Ease of operation
If metering pump assemblies are located remotely from supply units, then spatial constraints are satisfied, but fluid delivery reliability may be compromised
Solution Approach 1:
Heated fluid lines with insulation act as intermediaries to maintain material properties during transport between the remotely located supply assembly and metering assembly. The heating elements within the fluid lines ensure that thermoplastic materials remain at appropriate temperatures for flow, preventing solidification or viscosity changes that would compromise delivery reliability over distance.
Solution Approach 2:
The system uses pressurized fluid delivery through controlled hydraulic lines to maintain consistent flow rates to remotely located metering stations. Pressure regulation and flow control mechanisms ensure reliable material delivery even when components are spatially separated, compensating for pressure drops and flow variations that occur over longer fluid line distances.
Data Source
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AI summary
A modular system (100), for delivering hot melt adhesive or other thermoplastic materials, comprises a modular metering assembly (104), having a plurality of metering stations disposed therein, which is able to be attachably and detachably mounted upon a modular tank (102) or supply assembly. Alternative-ly, one or more of the plurality of metering stations may be disposed externally of the modular metering assembly, and alternatively still further, one or more additional modular metering assemblies may be attachably and detachably connect-ed to the first modular metering assembly. In this manner, the entire modular system exhibits enhanced versatility and flexibility in order to effectively implement different material application procedures that may be required by means of a particular end-user customer.