A high-performance 3D printer extrusion nozzle mechanism

By setting a cavity and vacuum insulation in the throat assembly of the 3D printer nozzle mechanism, and using a wavy heat sink and a heat dissipation fan in the heat dissipation block, the problem of insufficient heat dissipation and heat resistance of the nozzle mechanism in the prior art is solved, and more efficient heat dissipation and heat resistance effects are achieved, improving printing performance and stability.

CN115284604BActive Publication Date: 2025-03-25HUBEI CREALITY 3D TECH CO LTD
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Patent Information

Application Number
CN202211003137.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-08-22
Publication Date
2025-03-25
Estimated Expiration
2042-08-22

AI Technical Summary

Technical Problem

The heat dissipation and heat resistance of the nozzle mechanism of the existing 3D printer are insufficient, resulting in low printing performance and easy material blockage problems.

Method used

The heat dissipation layout is optimized by providing two cavity in the throat assembly, one for industrial pure water with high specific heat capacity, the other for vacuum insulation, and the introduction of a wave-shaped heat sink and a cooling fan into the heat dissipation block.

Benefits of technology

It improves the heat resistance and heat dissipation efficiency of the nozzle mechanism, avoids the problem of clogging of high-temperature consumables, enhances printing quality and stability, and is suitable for printing a variety of consumables.

✦ Generated by Eureka AI based on patent content.
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Abstract

A high-performance 3D printer extrusion nozzle mechanism relates to the technical field of 3D printing nozzles, comprising a heat sink, a frame plate and a consumables duct, wherein a nozzle is correspondingly arranged at the lower end of the consumables duct, a heating block is arranged outside the nozzle, and a throat assembly is arranged outside the consumables duct; the throat assembly comprises a throat body, and two cavities are arranged at intervals along the axial direction of the throat body on the lower end wall of the throat body, and pure water and vacuum are arranged in the upper cavity and the lower cavity respectively; a through hole is arranged at the center of the lower end face of the heat sink, and both sides of the outer walls of the middle part of the heat sink are extended to be provided with heat sink groups, and the heat sink group comprises a plurality of wavy heat sinks; the upper end of the heat sink is correspondingly installed on the frame plate surface, and the frame plate is provided with heat dissipation holes on the plate surface corresponding to the middle part of the heat sink, and a heat dissipation fan is arranged on the side of the middle part of the heat sink away from the frame plate; the nozzle mechanism can improve the printing performance of the nozzle mechanism by increasing the heat resistance of the throat assembly, optimizing the structure of the heat sink and the overall heat dissipation layout.
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