Metal Injection Nozzle with Interchangeable Heated Head
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing metal injection nozzles lack the ability to adapt quickly and efficiently to different materials and ambient temperatures, requiring time-consuming and costly changes when switching between various metal spraying requirements.
Innovation Solution
A metal spray nozzle with an exchangeable nozzle head featuring integrated heating and cooling elements, allowing for rapid temperature control and adjustment of nozzle openings, enabling quick heating or cooling of molten metal to match specific spraying conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the entire nozzle assembly is removed to change the number or position of nozzle openings, then the spraying requirements can be adapted, but the process becomes time-consuming and costly
Solution Approach 1:
The nozzle assembly is divided into separate components: a fixed nozzle body and interchangeable nozzle heads. The nozzle head contains the nozzle openings and can be quickly detached and replaced without removing the entire nozzle assembly, enabling rapid adaptation to different spraying requirements while minimizing downtime
Solution Approach 2:
The system transitions from a static, fixed nozzle configuration to a dynamic, interchangeable nozzle head system. Different nozzle heads can be mounted on the same nozzle body to adapt to various spraying requirements, providing flexibility without requiring complete nozzle replacement
2Adaptability or versatility
If heating cartridges are positioned at a distance from the branch channels, then the nozzle can be used with different materials, but adaptation to different ambient temperatures requires long downtime
Solution Approach 1:
A temperature control element acts as an intermediary between the heating cartridges and the branch channels. This intermediary conducts heat directly to the branch channels, enabling rapid temperature adjustment when switching between different ambient temperature conditions while maintaining the heating cartridges at their optimal position
Solution Approach 2:
The temperature control element is pre-positioned to conduct heat directly to the branch channels, so that when temperature adjustment is needed, the heat transfer path is already established and ready, reducing the time required to reach the desired processing temperature
3Speed
If heating elements are integrated into the nozzle head, then rapid temperature control is possible, but the nozzle head becomes more complex
Solution Approach 1:
The heating system is segmented into modular components: heating cartridges in the nozzle body and temperature control elements in the nozzle head. This segmentation allows the nozzle head to contain only the essential temperature control elements needed for rapid response, reducing its complexity while maintaining fast temperature control capability
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
Enables rapid and flexible adaptation to different materials and temperatures, reducing downtime and costs by allowing for quick heating or cooling of molten metal, ensuring optimal processing conditions.
Implementation Method 1
The heating elements integrated into the nozzle head ensure that the molten metal is heated to a predetermined temperature or maintained at that temperature. If relatively high temperatures are required for specific metal melts, this can be achieved by replacing the nozzle head with a suitably configured one, which is facilitated by the detachable mounting.
Implementation Method 2
The cooling elements integrated into the nozzle head can be used to cool the molten metal in the branch channels near the nozzle openings, until it solidifies and thus thermally closes the metal injection nozzle.
Implementation Method 3
When the injection molding process is to be continued, the cooling of the molten metal is interrupted and/or the molten metal is heated, causing it to liquefy again and the nozzle openings to reopen.
Data Source
Figure 1~2
AI summary
A metal injection nozzle comprises a nozzle tube which forms a melt duct and can be heated using at least one nozzle tube heater, and a nozzle head which has at least one nozzle port for discharging the melt. According to the invention, the nozzle head is retained in a replaceable manner, a plurality of duct branches is formed in the nozzle head, each of the branches ends in a nozzle port, and at least one heating element is integrated into the nozzle head.