3D Printing Conveyor Platform With Oscillating Belt Alignment

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Solution Overview

Problem

Existing infinite 3D printers face installation complexity and conveyor belt offset issues, affecting printing accuracy over time.

Innovation Solution

A 3D printing conveying platform with a movable assembly and follower system that adjusts to maintain belt alignment, ensuring stable transmission and printing precision by oscillating in response to belt deflection.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If a fixed conveyor belt system is used in existing infinite 3D printers, then the structure is simple, but the conveyor belt offsets after a period of use, affecting printing accuracy

Engineering Contradiction:
Improveprinting accuracyVSAvoidinstallation complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The follower assembly is designed to be movable rather than fixed, allowing it to oscillate in the second direction (perpendicular to the conveying direction) in response to conveyor belt deflections. This dynamic adjustment mechanism automatically compensates for belt offset, maintaining printing accuracy without requiring complex manual realignment procedures

Inventive Principle:
Principle #15Dynamics

2Manufacturing precision

If the conveyor belt is tensioned tightly to prevent offset, then printing accuracy is maintained, but the installation complexity increases and the system becomes more rigid

Engineering Contradiction:
Improveprinting accuracyVSAvoidease of installation
Core Design Contradiction:
Manufacturing precisionVSEase of operation

Solution Approach 1:

The follower assembly automatically detects and responds to conveyor belt deflections through its oscillation capability, eliminating the need for manual tensioning adjustments or complex installation procedures. The system self-adjusts to maintain belt alignment and printing accuracy

Inventive Principle:
Principle #25Self-service

3Manufacturing precision

If the follower assembly is made movable to compensate for belt deflection, then printing accuracy is maintained, but the device complexity increases

Engineering Contradiction:
Improveprinting accuracyVSAvoidstructural complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The follower assembly's position parameter is changed from fixed to variable, allowing it to oscillate in the second direction. This single degree of freedom provides sufficient adjustment capability to compensate for belt deflection while avoiding the need for multiple complex adjustment mechanisms

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS12533846B23D printing conveying platform and 3D printer
Publication Date: 2026.01.27 SHENZHEN CREALITY 3D TECH CO LTD
  • US12533846B2 patent drawing
  • US12533846B2 patent drawing
  • US12533846B2 patent drawing

AI summary

A 3D printing conveying platform includes a conveyor belt and a drive assembly driving the conveyor belt in a first direction, a base, a follower assembly and a movable component. The drive assembly is mounted to the base. The follower assembly is disposed opposite the drive assembly in the first direction, the conveyor belt is drive connected to the follower assembly. The movable component includes a first movable member and a second movable member connected to each other, the first movable member is connected to the follower assembly, the second movable member is movably disposed between the first movable member and the base and connected to the first movable member and the base, such that the follower assembly is capable of oscillating in a second direction relative to the base. The present application also provides a 3D printer.