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A 3D printer extrusion system that can automatically switch print heads

A 3D printer, automatic switching technology, applied in coating devices, additive processing, etc., can solve the problems of difficult leveling of the print head, nozzles affecting the surface quality of the model, and easily scratched printed models, etc., to achieve simple switching components Reliable, guaranteed automatic switching accuracy, guaranteed accuracy effect

Active Publication Date: 2019-03-22
GUANGZHOU ELECTRONICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But it is difficult to level the two print heads with this structure, it is easy to scratch the printed model, and the drool of the nozzle will seriously affect the surface quality of the model

Method used

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  • A 3D printer extrusion system that can automatically switch print heads
  • A 3D printer extrusion system that can automatically switch print heads
  • A 3D printer extrusion system that can automatically switch print heads

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Embodiment Construction

[0036] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0037] Such as Figure 1 to Figure 3 As shown, a 3D printer extrusion system capable of automatically switching print heads includes a fixed print head assembly 1 , a fixed base 2 , a switching assembly, a movable base 6 and a movable print head assembly 7 . The fixed print head assembly 1 is fixedly installed on the fixed base 2, and its position remains unchanged. The movable print head assembly 7 is fixedly installed on the movable base 6, arranged in parallel with the fixed print head assembly 1, and the switching assembly is used to drive the movable base. The seat 6 slides vertically up and down parallel to the fixed base 1 and is positioned at the set position, thereby driving the entire movable print head assembly 7 to sli...

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Abstract

The invention discloses a three-dimensional printer extrusion system capable of automatically switching a printing head. The three-dimensional printer extrusion system capable of automatically switching the printing head comprises a fixed base, a fixed printing head assembly arranged on the fixed base, a movable base arranged on the fixed base in a lifting and displacement way, a movable printinghead assembly arranged on the movable base, and a switching assembly for moving and positioning the movable base. The switching assembly comprises a micro guide rail assembly for guiding the movable base, a switching motor for driving the movable base, and a sensor for positioning the movable base. According to the three-dimensional printer extrusion system capable of automatically switching the printing head provided by the invention, through designing the movable printing head assembly and the fixed printing head assembly, the switching of the height difference between the two printing headassemblies can be realized through switching the height of the movable printing head assembly, and the movable printing head assembly and the fixed printing head assembly are independent so as to be free of being interacted in any case during printing, so that the printing accuracy is ensured.

Description

technical field [0001] The invention relates to a three-dimensional printer based on a fusion deposition rapid prototyping process, in particular to a three-dimensional printer extrusion system capable of automatically switching print heads. Background technique [0002] The 3D printer based on the fusion deposition rapid prototyping process uses plastic filaments with a diameter of about 1-2 mm, and melts and extrudes the plastic filaments into filaments of about 0.2-0.4 mm through a computer-controlled printing extrusion head and prints them layer by layer. stacked into three-dimensional objects. Usually, the fused deposition rapid prototyping process needs to add supports when manufacturing objects with cantilever structures. If the extrusion head of the 3D printer only has a single melt channel design structure, the printed object and support can only be constructed with the same material. Although during the printing process, the support part can be loosened by contro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C64/20B29C64/209B33Y30/00
CPCB29C64/20B29C64/209B33Y30/00
Inventor 张海强杜俊斌
Owner GUANGZHOU ELECTRONICS TECH
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