Cavity Mold Positioning Mechanism for Uniform Preform Heating
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Solution Overview
Problem
The adjustment of the temperature adjustment mold position to ensure appropriate alignment with the preform surface is complex and cumbersome, hindering efficient temperature uniformity in preforms before blow molding.
Innovation Solution
A mold with a position adjustment mechanism that includes a fixed plate and a movable plate, allowing precise alignment of the cavity mold with respect to the preform through a cam and elongated hole system, facilitating easy and accurate positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual adjustment of temperature adjustment mold position is performed, then position alignment between preform and mold can be achieved, but the adjustment process becomes extremely complicated and time-consuming
Solution Approach 1:
The invention transforms the static mold positioning system into a dynamic adjustable system. The cavity mold is made movable relative to the temperature adjustment mold through a positioning mechanism, allowing real-time adjustment of the distance between the preform surface and mold inner surface. This enables precise positioning without complex manual adjustment procedures.
Solution Approach 2:
The invention introduces a positioning mechanism as an intermediary between the temperature adjustment mold and the cavity mold. This positioning mechanism includes positioning members that can be adjusted to change the relative position, serving as a mediator that simplifies the overall adjustment process while maintaining precision.
2Manufacturing precision
If frequent molding adjustment is performed to maintain position alignment, then temperature uniformity can be maintained, but production time is lost and productivity decreases
Solution Approach 1:
The positioning mechanism is configured to maintain the correct distance between the preform surface and mold inner surface automatically. By establishing the correct position in advance through adjustable positioning members, frequent adjustments during production are eliminated, thus maintaining temperature uniformity without sacrificing productivity.
3Ease of operation
If the position adjustment mechanism is added to the mold system, then workability and ease of adjustment are improved, but the device structure becomes more complex
Solution Approach 1:
The mold system is segmented into distinct functional components: the temperature adjustment mold, the cavity mold, and the positioning mechanism. The positioning mechanism itself is segmented into positioning members that can be independently adjusted. This segmentation allows for easy adjustment of individual components without affecting the entire system, improving ease of operation.
Data Source
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AI summary
A mold includes a position adjustment mechanism that receives a shaft portion extending from a cavity mold, which accommodates a preform, and adjusts a position where the cavity mold is held on a plane intersecting an extending direction of the shaft portion. The position adjustment mechanism includes a first member in which a linear cam hole that receives the shaft portion is formed, and a second member that is disposed to overlap the first member in the extending direction of the shaft portion and rotates with respect to the first member along a plane. The second member has an elongated hole that intersects the cam hole in a direction of the plane and positions the shaft portion together with the cam hole. Further, a position where the cam hole and the elongated hole intersect each other moves along a longitudinal direction of the cam hole by rotation of the second member.