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Laser-assisted two-section type threaded rod rapid fused deposition spray nozzle

A laser-assisted, fused deposition technology, used in metal processing equipment, 3D object support structures, manufacturing tools, etc., can solve problems such as increasing volume filling speed, reduce size and weight, improve heating efficiency, overcome printing speed and printing speed and other problems. The effect of print resolution

Pending Publication Date: 2021-08-31
QINGDAO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Similarly, if the volume filling speed is increased while reducing the nozzle diameter, it is also faced with such problems

Method used

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  • Laser-assisted two-section type threaded rod rapid fused deposition spray nozzle
  • Laser-assisted two-section type threaded rod rapid fused deposition spray nozzle
  • Laser-assisted two-section type threaded rod rapid fused deposition spray nozzle

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Embodiment Construction

[0026] It should be noted that the following detailed description is exemplary and intended to provide further explanation of the present invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

[0027] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0028] A laser-assisted two-stage screw rapid fusion deposition nozzle, including:

[0029] The wire guide includes an in...

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PUM

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Abstract

The invention relates to a laser-assisted two-section type threaded rod rapid fused deposition spray nozzle. The laser-assisted two-section type threaded rod rapid fused deposition spray nozzle comprises a wire conduit and a machine barrel. The wire conduit comprises an inlet end and an outlet end, and a laser heating device is arranged on the wire conduit. A threaded rod is arranged inside the machine barrel, external threads are arranged on the outer wall of the threaded rod, the threaded rod and the machine barrel are in interference fit, and the machine barrel is connected with the outlet end of the wire conduit in a communicating mode. The laser heating device is arranged on the wire conduit, a wire is rapidly heated and molten when passing through the wire conduit, and then the wire enters the machine barrel in a molten state; and the threaded rod is arranged in the machine barrel, the threaded rod compresses the wire in the wire conduit, the pressure is increased for fluid in a cavity through rotation of the threaded rod, and therefore the problem that a printing head device only can output the limited volume filling speed and the limited extrusion force is solved.

Description

technical field [0001] The invention belongs to the technical field of fusion deposition equipment, in particular to a laser-assisted two-stage screw rapid fusion deposition nozzle. Background technique [0002] The information disclosed in this background section is only intended to increase the understanding of the general background of the present invention, and is not necessarily taken as an acknowledgment or any form of suggestion that the information constitutes the prior art already known to those skilled in the art. [0003] 3D printing technology, as the cutting-edge technology of scientific and technological development, is one of the research hotspots in the world today. Fused deposition modeling (Fused deposition modeling, FDM) is currently one of the most widely used 3D printing technologies due to its simple principle, low equipment cost, wide range of molding materials, short product production cycle, high material utilization rate, and controllable shape of p...

Claims

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Application Information

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IPC IPC(8): B29C64/118B33Y30/00
CPCB29C64/118B33Y30/00
Inventor 张鹏飞王宗兴程联军
Owner QINGDAO UNIV