Hot Pressing Die with Movable Refrigerant Flow Control
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Solution Overview
Problem
Existing hot pressing dies face challenges in securing strength while efficiently supplying refrigerant to formed articles, as they often require complex valve control systems or internal cavities that compromise die strength.
Innovation Solution
A die design featuring a die base with a storage portion for refrigerant and a movable opening/closing member with through holes that align with flow channels, allowing for easy communication and refrigerant supply without the need for internal cavities, thus enhancing strength and control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a refrigerant container is disposed inside the die body, then refrigerant can be supplied to the formed article, but the strength of the die decreases due to the cavity
Solution Approach 1:
The die is divided into two separate parts: the die body and the die base. The storage portion for refrigerant is placed in the die base rather than inside the die body, eliminating the need for internal cavities in the die body while maintaining refrigerant supply capability through flow channels that connect the two parts.
Solution Approach 2:
Flow channels act as intermediaries to transport refrigerant from the storage portion in the die base to the forming surface of the die body. This mediator approach allows refrigerant supply without requiring internal storage space within the die body itself.
2Adaptability or versatility
If multiple valves are provided in each refrigerant supply tube, then ejection parameters can be controlled, but the ejection control becomes complicated
Solution Approach 1:
Multiple valve functions are merged into a single opening/closing member that can control the flow of refrigerant to multiple flow channels simultaneously. This single member integrates the control functionality that would otherwise require multiple separate valves, simplifying the control system while maintaining the ability to regulate ejection parameters.
Solution Approach 2:
The opening/closing member serves multiple functions: it acts as a valve for controlling refrigerant flow, provides structural support, and enables communication between the storage portion and flow channels. This multi-functional design reduces the number of separate components needed for control.
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 die design secures strength and facilitates efficient refrigerant supply to formed articles without complex valve control, allowing for uniform cooling and adjustable cooling times and rates across different regions.
Implementation Method 1
As a result of the refrigerant container being moved up and down or rotated in the die body, each of the container supply holes and a die supply hole are brought into a communication state or a non-communication state. When the container supply hole and the die supply hole come into communication with each other, the refrigerant is supplied from the refrigerant container to the formed article on the forming surface through the container supply hole and the die supply hole.
Implementation Method 2
The formed article is cooled, for example, by refrigerant ejected from the forming surface of a die.
Data Source
AI summary
The die includes a die base, a die body, and an opening/closing member. In the die base, a storage portion for storing refrigerant is formed. The die body includes a mounting surface, a forming surface, and a plurality of flow channels. The mounting surface is located on the storage portion side of the die base. The forming surface is located on the opposite side of the mounting surface. The flow channels pass through the die body from the mounting surface to the forming surface. The opening/closing member is disposed between the die base and the die body. The opening/closing member includes a plurality of through holes corresponding to the plurality of flow channels. The opening/closing member is configured to be movable with respect to the die base and the die body such that each of the through holes brings the corresponding flow channel and the storage portion into communication.