3D Printer Switching Device for Adjustable Nozzle Intervals
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Solution Overview
Problem
Conventional 3D printing technologies face limitations in printing efficiency per unit area due to unadjustable nozzle intervals in synchronous handpiece movement, which restricts the size of printed objects, and high costs and inconsistency in independent monoaxial and coaxial movement systems.
Innovation Solution
A switching device for 3D printers featuring a component platform with handpiece and platform guiding parts, transmission mechanisms, and drive mechanisms that allow synchronous movement, enabling copy, mirror, and independent printing while ensuring high consistency and adjustable printing areas.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If synchronous handpiece movement is adopted, then cooperative printing of multiple materials is improved, but the unadjustable interval between handpieces limits the size of printed objects
Solution Approach 1:
The patent introduces a switching device that enables dynamic switching between synchronous and independent handpiece movement modes. The handpiece can be switched between connected to a common transmission mechanism (synchronous mode) or disconnected to move independently (independent mode), allowing the system to adapt between fixed-interval cooperative printing and adjustable-interval flexible printing based on printing requirements
2Productivity
If independent monoaxial and coaxial movement is adopted, then printing space utilization is improved, but the cost of multiple transmission systems increases and consistency cannot be ensured
Solution Approach 1:
The patent designs a universal transmission mechanism that can serve multiple functions: when the handpiece is connected, it provides synchronous movement for cooperative printing; when disconnected, the same transmission mechanism structure is available but the handpiece operates independently. This multi-functionality eliminates the need for separate transmission systems for synchronous and independent modes, reducing overall system complexity while maintaining both printing modes
3Adaptability or versatility
If independent handpiece movement is adopted, then copy or mirror printing can be performed simultaneously, but extremely high consistency cannot be ensured due to different transmission structures
Solution Approach 1:
The patent merges the transmission mechanisms by making the handpiece switchable between connection and disconnection from a common transmission system. When connected, both handpieces share the same transmission mechanism, ensuring high consistency for copy/mirror printing. When disconnected, each handpiece can operate independently for flexible positioning. This merging approach eliminates the need for separate transmission structures while maintaining both consistency and versatility
Data Source
AI summary
Switching devices for a printing mode of a 3D printer are disclosed. In some embodiments, the switching devices includes: a component platform with at least two platform bodies (200); at least two handpiece guiding parts (110); at least two platform guiding parts (210); at least two handpiece transmission mechanisms (120); a handpiece drive mechanism configured to drive the handpiece transmission mechanisms (120) to move synchronously; at least two platform transmission mechanisms (220); and a platform drive mechanism configured to drive the platform transmission mechanisms (220) to move synchronously.