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Extrusion type 3D printing double- jetting-head device

A 3D printing, dual-nozzle technology, applied in the field of extrusion 3D printing dual-nozzle devices, can solve problems such as restricting the development of extrusion 3D printing technology and being unable to meet gradient materials.

Active Publication Date: 2019-01-15
THE NORTHERN RES INST OF NJUST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Extrusion 3D printing technology has broad application prospects in construction, but the existing extrusion 3D printers are mainly single-nozzle, which cannot meet the requirements of gradient materials, multi-material and multi-color printing functions of the same part, which limits extrusion. Development of out-of-the-box 3D printing technology

Method used

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  • Extrusion type 3D printing double- jetting-head device
  • Extrusion type 3D printing double- jetting-head device
  • Extrusion type 3D printing double- jetting-head device

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Embodiment Construction

[0014] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0015] as attached Figure 1-3 Shown, device of the present invention comprises:

[0016] The printing double nozzle assembly 3 is installed on the nut bracket 5 of the ball screw 1, the ball screw 1 is installed on the steel plate 2, and the printing double nozzle assembly 3 can realize vertical movement up and down under the transmission of the ball screw 1;

[0017] Among them, the printing double nozzle assembly 3 includes a cover plate 10, an opening A15, an opening B11, a sleeve 16, a bidirectional alternating rotation motor 12, a feed port A17, a feed port B13, a rotatable chassis 18, a nozzle A19, and a nozzle B14;

[0018] The nozzle A19 and the nozzle B14 are respectively connected to the feed port A17 and the feed port B13 with threaded ports, the feed port A17 and the feed port B13 are fixed on the steel plate 20, and the...

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Abstract

The invention discloses an extrusion type 3D printing double-jetting-head device. A printing double-jetting-head assembly is installed on a nut support of a ballscrew, the ballscrew is mounted on a steel plate, and the printing double-jetting-head assembly can move vertically up and down under transmission by the ballscrew; in the printing double-jetting-head assembly, jetting heads A and B are connected to feed ports A and B via screws respectively, the feed ports A and B are fixed to the steel plate, the steel plate is fixed on a rotatable chassis via a fastener, the rotatable chassis is inrotatable connection with a sleeve, the sleeve is fixedly connected with a cover plate, and openings A and B are symmetrically formed in the cover plate; and the bottom of a bidirectional alternativerotation motor is fixedly connected with the cover plate, and the top of the bidirectional alternative rotation motor is connected to the rotatable chassis via a bolt. The extrusion type 3D printing double-jetting-head device can satisfy printing of gradient materials and multi-material multi-color printing of the same part, and application of extrusion type 3D printing technology is enhanced.

Description

technical field [0001] The invention relates to the technical field of extrusion 3D printing, in particular to an extrusion 3D printing double nozzle device. Background technique [0002] 3D printing is a rapid prototyping technology that accumulates layers of powder or semi-solid materials into a whole and builds entities according to digital models through intelligent control. Extrusion 3D printing is a type of 3D printing. Extrusion 3D printing technology has broad application prospects in construction, but the existing extrusion 3D printers are mainly single-nozzle, which cannot meet the requirements of gradient materials, multi-material and multi-color printing functions of the same part, which limits extrusion. The development of out-of-the-box 3D printing technology. Concrete is a widely used material in the construction industry. Concrete is different from other materials. The particle size of different types of concrete aggregates is different. The size of the nozz...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28B1/00B28B17/00B33Y30/00
CPCB28B1/001B28B17/00B33Y30/00
Inventor 赖建中董赛阳王强陈光李沛
Owner THE NORTHERN RES INST OF NJUST
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