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Forming nozzle and additive manufacturing equipment

A nozzle and material tube technology applied in the field of additive manufacturing to achieve the effect of reducing process complexity and manufacturing costs

Pending Publication Date: 2022-04-29
NORTHWESTERN POLYTECHNICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The embodiment of the present application solves the technical problem of pre-processing raw materials into filaments when using FDM nozzles by providing a forming nozzle and additive manufacturing equipment

Method used

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  • Forming nozzle and additive manufacturing equipment
  • Forming nozzle and additive manufacturing equipment
  • Forming nozzle and additive manufacturing equipment

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Embodiment Construction

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0028] In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer " and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, rath...

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Abstract

The embodiment of the invention discloses a forming spray head and additive manufacturing equipment, relates to the technical field of additive manufacturing, and solves the technical problem that raw materials need to be processed into wires in advance when an FDM spray head is used at present. The forming nozzle comprises a material extruding pipe, a feeding mechanism, a material extruding screw rod and a material extruding driving mechanism, the feeding mechanism is communicated with the extruding pipe; the extrusion screw rod is arranged in the extrusion pipe along the length direction of the extrusion pipe; the power output end of the extrusion driving mechanism is connected with the extrusion screw so as to drive the extrusion screw to rotate around the central axis of the extrusion screw. The additive manufacturing equipment is provided with the forming nozzle. According to the forming nozzle and the additive manufacturing equipment provided by the embodiment of the invention, the raw materials do not need to be processed into wires in advance, the granular or powdery raw materials can be directly extruded, and the process complexity and the manufacturing cost are reduced.

Description

technical field [0001] The present application relates to the technical field of additive manufacturing, in particular to a forming nozzle and additive manufacturing equipment. Background technique [0002] Additive manufacturing technology has developed rapidly in recent years. It realizes the manufacture of structures by layer-by-layer printing. Compared with traditional subtractive methods, additive manufacturing can quickly realize the manufacture of complex structures. Among them, the Fused Deposition Modeling process (English: Fused Deposition Modeling, referred to as: FDM) is one of the processes that started earlier and developed more maturely and stably in the additive manufacturing technology. The current FDM nozzle uses wire as raw material, and the unmelted wire at the front end of the nozzle constitutes a piston-like extrusion mechanism. [0003] However, the current FDM nozzle design requires pre-processing the raw materials into filaments, which not only limi...

Claims

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Application Information

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IPC IPC(8): B29C64/106B29C64/209B29C64/321B33Y30/00B33Y40/00
CPCB29C64/106B29C64/209B29C64/321B33Y30/00B33Y40/00
Inventor 袁上钦赵华黄子秋朱继宏张卫红
Owner NORTHWESTERN POLYTECHNICAL UNIV