Hinge Mechanism for Book Molding Alignment
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Solution Overview
Problem
Precise alignment of mold portions in injection molding systems is challenging, affecting the accuracy of fabricated parts.
Innovation Solution
A book molding system with a hinge mechanism that pivotally attaches the bottom and top mold portions, along with a core retainer bar, allowing for accurate positioning and easy opening for part removal, incorporating a cushion system and locking mechanism for enhanced accuracy and protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the bottom mold portion, top mold portion and insert are separately positioned, then the mold can be assembled, but alignment accuracy deteriorates
Solution Approach 1:
The mold is divided into separate bottom mold portion, top mold portion, and core retainer bar components that can be independently positioned and assembled, yet maintain precise alignment through the hinge mechanism and positioning features
Solution Approach 2:
The hinge mechanism acts as an intermediary element that connects the bottom mold portion, top mold portion, and core retainer bar, ensuring accurate alignment while allowing for assembly and disassembly. The hinge mechanism serves as the mediating structure that resolves the alignment challenge
2Stability of the object's composition
If the mold portions are tightly fixed, then alignment stability is improved, but ease of operation for opening and part removal deteriorates
Solution Approach 1:
The hinge mechanism provides a dynamic connection that allows the mold portions to be securely fixed during injection molding operations, yet easily opened when needed. The pivotable connection enables transition between stable closed position and open position for part removal
3Productivity
If the mold is designed for easy opening, then productivity is improved, but alignment precision deteriorates
Solution Approach 1:
The hinge mechanism serves as an intermediary that maintains precise alignment between mold portions while enabling easy opening and closing operations. This mediating structure allows both high productivity and high precision to coexist
Data Source
AI summary
A book molding system including a bottom mold portion, a top mold portion, a core retainer bar and a hinge mechanism. At least one of the bottom mold portion and the top mold portion has a molding recess formed therein. The hinge mechanism pivotally attaches the bottom mold portion, the top mold portion and the core retainer bar so that the core retainer bar is intermediate the bottom mold portion and the top mold portion.