Screen Printing Apparatus Dual Substrate Support Tables
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Solution Overview
Problem
Conventional screen printing apparatuses require additional equipment like sorting, switching, or relay devices to function between single and dual system devices with different substrate transfer line pitches, leading to space inefficiencies and increased costs in printed circuit board manufacturing.
Innovation Solution
A screen printing apparatus designed to operate independently between devices of single and dual systems, utilizing two substrate support tables and print executing parts to align and print substrates from dual loaders, allowing for direct transfer to a single component mounting device without additional equipment, by adjusting the conveyer width and clamp mechanisms to accommodate different substrate sizes and patterns.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional screen printing apparatuses are installed between single and dual system devices with different substrate transfer line pitches, then additional equipment like sorting, switching, or relay devices is required, but this increases the manufacturing line size and cost
Solution Approach 1:
The screen printing apparatus is designed with dual substrate support tables (first and second substrate support tables) that can independently receive substrates from different loaders, and a single substrate discharge table that can deliver to different component mounting devices. This universal design allows the same apparatus to function in both single-system and dual-system configurations without requiring additional sorting or switching equipment.
Solution Approach 2:
The apparatus divides the substrate handling function into separate segments: the first substrate support table handles substrates from the first loader, the second substrate support table handles substrates from the second loader, and the single substrate discharge table handles delivery to the component mounting device. This segmentation allows independent control of each substrate path, enabling flexible configuration between single and dual systems without additional equipment.
2Adaptability or versatility
If conventional screen printing apparatuses use sorting, switching, or relay devices to accommodate different system configurations, then adaptability is improved, but device complexity and cost increase
Solution Approach 1:
The apparatus merges the substrate receiving and discharge functions into a unified structure with coordinated control. The first and second substrate support tables are integrated with the single substrate discharge table through a control unit that coordinates their operations. This merging eliminates the need for separate sorting devices, switching mechanisms, or relay equipment that would otherwise be required to manage substrate flow between single and dual systems.
Solution Approach 2:
The control unit provides universal coordination capability that manages both single-system and dual-system operations through the same apparatus structure. The control unit can independently control the first and second substrate support tables to receive substrates from different loaders and coordinate with the substrate discharge table to deliver to component mounting devices, whether in single or dual configuration, without requiring additional control equipment.
Data Source
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AI summary
Control means 8 places substrate support means 10 at the first receiving position or the second receiving position in order to receive substrates W loaded from the first and second substrate loading positions, the control means 8 places the substrate support means 10 to a print executing part 20 so that printing is performed to the received substrates W, using one of two printing patterns 211, 212, and the control means 8 places the substrate support means 10 at a sending position in order to send the print substrate W to a substrate unloading position.