Denture 3D printer nozzle switching mechanism

By designing a nozzle switching mechanism for a 3D denture printer that includes components such as an upper nozzle and a cutter, automatic nozzle switching is achieved, solving the problem of manual material cutting in existing technologies, improving the degree of automation, and reducing labor intensity.

CN224311214UActive Publication Date: 2026-06-02CHONGQING SAILING TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHONGQING SAILING TECH CO LTD
Filing Date
2025-06-13
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Existing 3D denture printer nozzle switching mechanisms require manual cutting of filamentous material, resulting in low automation and increased labor intensity for workers.

Method used

A nozzle switching mechanism for a dental prosthesis 3D printer was designed, comprising an upper nozzle, a cutter, a strip plate, a lower nozzle, a U-shaped frame, a motor, a vertical plate, a moving block, a lead screw, a slider, a guide block, a fixed rod, a spring, a slide bar, and rollers. The motor drives the lead screw to rotate, and the slider drives the cutter to automatically cut filamentous material, thereby realizing automatic nozzle switching.

Benefits of technology

It enables automated switching of nozzles, reduces the labor intensity of workers, and improves the level of automation.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to the field of dental prosthesis 3D printer technology, specifically a nozzle switching mechanism for a dental prosthesis 3D printer. It includes a moving block and an upper nozzle mounted on one side of the moving block. A U-shaped frame is located at the bottom of the moving block, and a lead screw is rotatably mounted inside the U-shaped frame. A motor is fixedly mounted on the outside of the U-shaped frame, and the motor output is fixedly connected to the lead screw. A strip plate is located below the upper nozzle, and a slider is threaded onto the wall of the lead screw. The slider is fixedly connected to the strip plate. Multiple lower nozzles are evenly distributed at the upper end of the strip plate. A sliding hole is provided on the side wall of the moving block between the upper and lower nozzles. An automatic cutting mechanism is provided between the sliding hole and the slider. The automatic cutting mechanism includes a sliding rod, which is slidably mounted within the sliding hole. Both ends of the sliding rod extend outside the sliding hole, and the rod wall has a strip-shaped hole. This utility model can automatically cut filamentous materials when switching between different lower nozzles, achieving a high degree of automation and reducing the labor intensity of workers.
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