Nozzle-locating insulator with spring-noncontact sections
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Solution Overview
Problem
Current injection molding systems face challenges in minimizing thermal losses and maintaining efficient heat transfer between the molding nozzle assembly and the mold tool system, leading to reduced productivity and increased energy consumption.
Innovation Solution
A nozzle-locating insulator with a body assembly featuring spring-contact and spring-noncontact sections, made of titanium, is integrated into the mold-tool system to reduce surface contact and thermal losses, utilizing a spring assembly that contacts the molding-nozzle assembly only through raised surfaces, thereby minimizing heat transfer to the manifold plate.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the spring assembly contacts the nozzle assembly through a large surface area, then the mechanical support and stability are improved, but thermal losses increase due to enhanced heat transfer to the manifold plate
Solution Approach 1:
The spring-facing surface is designed with alternating spring-contact sections and spring-noncontact sections, creating localized contact zones. This allows the spring assembly to receive mechanical support only at specific raised surfaces rather than across the entire surface, thereby maintaining structural stability while minimizing thermal transfer pathways to the manifold plate.
Solution Approach 2:
The spring-facing surface is segmented into discrete contact and non-contact sections. The spring assembly contacts only the raised spring-contact sections, while the recessed spring-noncontact sections are isolated from contact. This segmentation reduces the continuous thermal conduction path while preserving necessary mechanical support functions.
2Stability of the object's composition
If the insulator uses a continuous contact surface with the spring assembly, then the mechanical stability is improved, but heat retention efficiency deteriorates
Solution Approach 1:
The insulator's spring-facing surface features localized contact zones (raised sections) rather than a continuous contact surface. This allows mechanical stability to be maintained at discrete points while creating thermal breaks at the recessed sections, thereby improving heat retention without sacrificing overall mechanical stability.
3Loss of energy
If the nozzle-locating insulator minimizes surface contact with the spring assembly, then thermal losses are reduced and heat retention is improved, but mechanical support stability may worsen
Solution Approach 1:
The insulator design concentrates mechanical contact at specific raised spring-contact sections while leaving recessed spring-noncontact sections isolated. This localized contact strategy minimizes thermal losses by reducing overall contact area while maintaining adequate mechanical support stability through strategically positioned contact zones.
Solution Approach 2:
The contact surface is segmented into discrete raised sections that provide mechanical support and recessed sections that provide thermal isolation. This segmentation enables the system to achieve both reduced thermal losses and maintained mechanical stability simultaneously by distributing contact functions across different spatial zones.
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 solution effectively reduces thermal losses and enhances heat retention, improving the efficiency of the molding process by minimizing heat transfer from the nozzle assembly to the manifold plate, leading to increased productivity and reduced energy consumption.
Implementation Method 1
The spring-noncontact sections reduce surface contact with the spring assembly so that thermal losses are reduced from the molding-nozzle assembly
Data Source
Figure 1
Figure 2A~2B
AI summary
A nozzle-locating insulator (300), comprising: a body assembly (302), having: a spring-facing surface (304) including: spring-contact sections (306); and spring-noncontact sections (308) interposed between the spring-contact sections (306).