Optical Element Driving Module Assembly With Through-Hole Glue Positioning
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Solution Overview
Problem
Conventional camera modules face challenges with low production yield and high production costs due to the difficulty in rapidly and precisely applying glue to small components during assembly, requiring numerous glue application stations and increasing assembly time.
Innovation Solution
An optical element driving module with a housing, base, and magnetic elements adhered by glue, featuring through holes for efficient glue application and reduced assembly stations, allowing for precise positioning and adherence of components, thereby enhancing assembly efficiency and reducing costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If manual labor is used to apply glue to small components, then flexibility and adaptability are maintained, but manufacturing precision and productivity deteriorate due to difficulty in rapid and precise glue application
Solution Approach 1:
A positioning structure with positioning protrusions and positioning grooves is introduced as an intermediary mechanism between the manual glue application process and the components. This positioning structure guides the glue to the correct location, ensuring precise glue application while maintaining the flexibility of manual assembly. The positioning protrusions fit into corresponding grooves to accurately locate components during assembly.
2Manufacturing precision
If numerous glue application stations are used to assemble multiple components, then manufacturing precision is improved, but device complexity and productivity worsen due to increased assembly time
Solution Approach 1:
Multiple positioning functions are merged into a single integrated positioning structure that simultaneously positions multiple components (housing, base, magnetic elements). This consolidation reduces the number of separate assembly stations needed while maintaining assembly precision. The positioning structure with its protrusions and grooves provides unified positioning for all glued components in one operation.
3Manufacturing precision
If numerous glue application stations are used to assemble multiple components, then manufacturing precision is improved, but productivity deteriorates due to increased assembly time
Solution Approach 1:
The positioning structure is pre-designed and pre-assembled before the glue application process. The positioning protrusions and grooves are already in place to guide component alignment, eliminating the need for time-consuming alignment operations during assembly. This preliminary preparation of positioning features enables rapid and precise glue application in a single operation.
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 enables rapid and precise assembly of camera module components, reducing production costs and improving manufacturing efficiency by minimizing the number of glue application stations and enhancing the mechanical strength of the module.
Implementation Method 1
the driving assembly includes at least a coil and at least a magnetic element for driving the movable portion to move relative to the fixed portion
Implementation Method 2
the housing, the base, and the magnetic element are adhered to each other by the glue
Data Source
AI summary
An optical element driving mechanism is provided, including a base, a holder movably coupled to the base for holding an optical element, a casing, a frame, a driving assembly, and an adhering member. The casing has a top wall and a plurality of side walls extending from the edge of the top wall along an optical axis of the optical element, and the top wall is closer to a light-incident end than the base. The frame is disposed on the top wall and has a frame protrusion extending toward the base. The driving assembly is configured to drive the holder to move relative to the base, and an accommodating space is formed between the base, the frame and the casing. The adhering member is disposed in the accommodating space and configured to directly adhere to the base, the frame, the casing, and the driving assembly.