Multi-Layer Board Platform With Movable Pins for Clean Alignment
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Solution Overview
Problem
Existing multi-layer PCB manufacturing processes face contamination issues due to dust and impurities from insulation layers, leading to defects like short circuits and open circuits, and the large, fixed operating platforms complicate precise layer alignment and cleanliness maintenance.
Innovation Solution
A lightweight, minimized multi-layer board operating platform with a slide configuration and DC driving mechanism for synchronized positioning pin elevation, allowing translation across different areas with isolated cleanliness levels to maintain cleanliness and precision.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a large operating platform with a reducer motor is used to lift positioning pins, then positioning accuracy is improved, but the platform size increases and mobility is reduced
Solution Approach 1:
The operating platform is segmented into multiple independent positioning pin units, each with its own thin DC motor. This allows the platform to be minimized in size while maintaining positioning capability through distributed actuation points, resolving the contradiction between positioning accuracy and platform mobility.
Solution Approach 2:
The traditional large reducer motor is replaced with thin DC motors that can be directly integrated into the minimized platform structure. This substitution enables precise positioning control without requiring a large mechanical drive system, thus improving platform mobility while maintaining positioning accuracy.
2Productivity
If layer stacking and lamination are performed in the same area, then workflow efficiency is improved, but contamination from PP dust increases
Solution Approach 1:
The manufacturing area is segmented into distinct zones: a clean area for copper foil and steel plate stacking, and a separate area for PP layer processing. The minimized and movable operating platform enables this spatial segmentation while maintaining workflow efficiency through its ability to be positioned in different locations as needed.
Solution Approach 2:
The operating platform is designed to be movable rather than fixed, allowing dynamic repositioning between clean and dirty areas. This dynamic capability enables the system to maintain workflow efficiency while preventing cross-contamination by isolating PP dust generation to specific areas during specific operations.
3Stability of the object's composition
If the operating platform is fixed at one area, then structural stability is improved, but adaptability to different processing areas is reduced
Solution Approach 1:
The operating platform transitions from a fixed structure to a movable one equipped with thin DC motors and positioning pin mechanisms. This dynamic design provides structural stability during operation while enabling adaptability to different processing areas through controlled movement, resolving the contradiction between stability and versatility.
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 enhances manufacturing yield by reducing defects, improving the PCB production yield rate from 80% to 95% and minimizing operational constraints, thus lowering costs.
Implementation Method 1
at least one DC driving device configured in the casing body and adjacent to the positioning pin structure for driving an elevation of the positioning pin structure
Data Source
AI summary
The present application provides a multi-layer board operating platform adapted to be configured on a slide slidable on a base. The multi-layer board operating platform includes a casing body having an upper surface, wherein the upper surface has a plurality of openings; a positioning pin structure configured in the casing body and comprising a plurality of positioning pins capable of telescopically passing through the plurality of openings, respectively; and a driving device configured in the case body and adjacent to the positioning pin structure for driving an elevation of at least one of the plurality of positioning pins.