Spray head device and powder 3D printer

By setting multiple extrusion components on the mounting frame of the nozzle device, each component is equipped with heating parts of different heating temperatures, the problem that existing 3D printers cannot handle high and low temperature powder plastics at the same time, achieving a wider range of use and adaptability.

CN119682207APending Publication Date: 2025-03-25GUILIN UNIV OF AEROSPACE TECH
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Patent Information

Application Number
CN202510099242.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2025-03-25

AI Technical Summary

Technical Problem

The existing single-spray single-screw powder 3D printer can only process low-temperature or high-temperature powder plastics alone, and cannot process high- and low-temperature powder plastics at the same time, which limits its use range.

Method used

A nozzle device is designed, with at least two extrusion components provided on the mounting frame, each extrusion component equipped with a heating element of a different maximum heating temperature, enabling simultaneous or separate treatment of low and high temperature powder materials.

Benefits of technology

The treatment of low-temperature powder materials and high-temperature powder materials can be achieved through different extrusion components, which increases the scope of use of the nozzle device and can adapt to more working conditions.

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Abstract

The invention belongs to the technical field of 3D printing. The spray head device comprises at least two extrusion components arranged on a mounting frame, each extrusion component comprises an extrusion barrel and a nozzle connected to the discharging end of the extrusion barrel, a heating piece used for heating a powder material is arranged on the extrusion barrel, and the nozzle is arranged on the extrusion barrel. The heating piece arranged on at least one extrusion part is a first heating piece, and the heating piece arranged on at least one extrusion part is a second heating piece. The at least two extrusion components are arranged on the mounting frame, the heating piece for heating on the extrusion barrel of the extrusion components is the first heating piece or the second heating piece, and the highest heating temperature of the first heating piece and the highest heating temperature of the second heating piece are different, so that the maximum heating temperature of the first heating piece and the highest heating temperature of the second heating piece are different; and treatment of low-temperature powder materials and treatment of high-temperature powder materials can be achieved through different extrusion components, and the application range of the spray head device is widened.
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