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Reverse parallel rod 3D printer with movable working-platform

A 3D printer and work platform technology, applied in processing platforms/substrates, additive processing, etc., can solve problems affecting printing quality, wire drawing, and high surface roughness of printed parts, improve printing accuracy, avoid printing failures, and reduce wire drawing effect of the phenomenon

Active Publication Date: 2018-07-10
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method is limited by the speed of the extrusion head and the moving speed of the nozzle, and the phenomenon of wire drawing often occurs, resulting in a higher surface roughness of the printed part, which affects the printing quality.
This limits the development of 3D printing technology printing quality

Method used

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  • Reverse parallel rod 3D printer with movable working-platform
  • Reverse parallel rod 3D printer with movable working-platform
  • Reverse parallel rod 3D printer with movable working-platform

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Such as figure 1 and figure 2 As shown, in this embodiment, a movable 3D printer with a reverse parallel-link working platform is mainly composed of a double-layer cylindrical frame, a nozzle 14, a platform movement mechanism and a printing platform 10;

[0029] The frame is mainly composed of a base plate 2, a bracket 11, a nozzle support plate 18 and a top plate 23; wherein, the base plate 2 is located at the bottom of the frame, and three bases 1 are installed at the bottom of the base plate 2 as supports; there are six brackets 11, each Two groups are divided into three groups, evenly arranged on the base plate 2, and the lower end of the bracket 11 is inserted into the preset slot on the base plate 2, the middle part of the bracket 11 passes through the slot on the nozzle support plate 18, and the nozzle support plate 18 passes through it. The nozzle support plate fixing seat 17 fixedly installed below limits it on the bracket 11, and the upper part of the bracke...

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Abstract

The invention discloses a reverse parallel rod 3D printer with a movable working-platform and belongs to the technical field of digital machining and aims at the problems that existing 3D printers adopt fixed platforms and use stepping motors for driving printing nozzles to move downwards, in this way, the wiredrawing phenomenon is caused often due to limitation of wire outlet speed of extruding heads and moving speed of the nozzles, consequently, the roughness of a part of surfaces of printed parts is high, and the printing quality is affected. Three sets of reverse parallel rods are driven by a stepping motor to drive a printing platform to move, meanwhile, printing nozzles are fixed, the above problems are avoided, and the problem that the printing quality is affected due to wiredrawingis solved.

Description

technical field [0001] The invention belongs to the technical field of digital processing. Background technique [0002] 3D printing is a production and processing technology based on digital models. Firstly, the computer slices the digital model to generate corresponding codes, and uses fused deposition technology, selective laser sintering technology or light curing technology to print layer by layer. The production and processing of objects. [0003] Currently, the common printing arrangement of existing 3D printers is that the working platform does not move, and the printing nozzle moves through the stepping motor control, and at the same time, the nozzle extrudes printing consumables, and the consumables are superimposed on the stationary part that has been printed to form an entity. However, this method is limited by the speed of the extrusion head and the moving speed of the nozzle, and the phenomenon of stringing often occurs, resulting in a higher surface roughness...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C64/245B29C64/20B33Y30/00
CPCB33Y30/00Y02P10/25
Inventor 孙慧超王学旭曲兴田闫龙威张昆郭思廷王宏一
Owner JILIN UNIV
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