Double-nozzle assembly and three-dimensional printing device applying same

A three-dimensional printing, dual-nozzle technology, applied in coating devices, additive processing, etc., can solve the problems of difficult installation and adjustment operations, failed printing operations, and time-consuming, etc., to improve operational efficiency, easy assembly, and simplified assembly. The effect of the process

Active Publication Date: 2019-03-26
TECO IMAGE SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the installation and adjustment of traditional dual-nozzle fused deposition molding is difficult, and the height of the two nozzles cannot be changed during the printing process, and they are always on the same plane
During the printing process, if another nozzle that is not in use touches the workpiece, the printing job will fail
In addition, when the traditional dual-nozzle fused deposition molding device is in operation, due to the alternate use of the dual nozzles, the nozzle to be switched needs to be heated up, and the other nozzle needs to be cooled. It takes a lot of time to wait for the temperature to drop on the box

Method used

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  • Double-nozzle assembly and three-dimensional printing device applying same
  • Double-nozzle assembly and three-dimensional printing device applying same
  • Double-nozzle assembly and three-dimensional printing device applying same

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Embodiment Construction

[0074] Some typical embodiments embodying the features and advantages of the present invention will be described in detail in the description in the following paragraphs. It should be understood that the present invention is capable of various changes in different aspects without departing from the scope of the present invention, and that the description and drawings therein are illustrative in nature and not limiting. this invention.

[0075] figure 1 It is a schematic structural diagram of a three-dimensional printing device in a preferred embodiment of the present invention. The three-dimensional printing device 1 includes a frame 10 , a driving unit 11 , a switchable thimble group 12 and a dual nozzle assembly 2 . Wherein the switching thimble group 12 is fixed on one side of the frame 10, the drive unit 11 is built on the frame 10, and the double nozzle assembly 2 is built on the drive unit 11, so that the double nozzle assembly 2 can be driven by the drive unit 11 to m...

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Abstract

The invention relates to a double-nozzle assembly and a three-dimensional printing device applying the same. The double-nozzle assembly comprises a base, a nozzle module and a switching module; and abearing of the nozzle module is arranged in the middle of a positioning swing arm, a first nozzle unit and a second nozzle unit are fixed to the positioning swing arm and located at the two opposite lateral edges of the bearing correspondingly, and a fixing shaft piece erects the nozzle module on the base through the bearing. When a rotating shaft of the switching module switches a first cam or asecond cam on the rotating shaft to abut against one end or the other end of a force application elastic sheet in a pressing mode, a third connecting element or a fourth connecting element is driven to abut against one end or the other end of the positioning swing arm of the nozzle module in a pressing mode, so that the positioning swing arm swings with the bearing as the center, and the height difference between the first nozzle unit and the second nozzle unit is switched.

Description

technical field [0001] The invention relates to a spray head assembly structure, in particular to a double spray head assembly and an applicable three-dimensional printing device. Background technique [0002] 3D printing (3D printing), also known as additive manufacturing (AM), refers to any process of printing three-dimensional objects. There are many incremental technologies that are gradually being used in the market today. The main difference between the different incremental processes is the lamination method and the materials used. Among them, fused deposition modeling (Fused deposition modeling, FDM) is a kind of additive manufacturing commonly used in modeling, prototyping and production applications. Fused deposition modeling models or parts are produced by extruding a stream of thermoplastic material that then hardens in layers. Thermoplastic or metal wire wound on a spool is gradually unwound and fed towards an extrusion nozzle (3D printing extrusion head). E...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C64/209B29C64/20B33Y30/00
CPCB33Y30/00
Inventor 陈鼎钧
Owner TECO IMAGE SYST
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