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A new type of 3D printing bar extrusion mechanism

A 3D printing and rod printing technology, which is applied in the field of new 3D printing rod extrusion mechanism, can solve the problems of lack of self-adaptive size and achieve strong adaptability

Active Publication Date: 2022-06-21
FOSHAN NANHAI GUANGDONG TECH UNIV CNC EQUIP COOP INNOVATION INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing fused lamination molding printing nozzles are mostly used for filament-like continuous wires of fixed size, and there is a lack of a 3D printing nozzle that can adapt to the size and can realize continuous extrusion of multi-section rods

Method used

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  • A new type of 3D printing bar extrusion mechanism
  • A new type of 3D printing bar extrusion mechanism

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Embodiment Construction

[0028] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific examples described herein are only used to explain the present invention, but not to limit the present invention.

[0029] Please also refer to Figure 1 to Figure 2 , and now a new type of 3D printing rod extrusion mechanism provided by the present invention will be described. A new type of 3D printing bar extrusion mechanism, including a driving gear 13 and a driven gear 5, the driving gear 13 and the driven gear 5 are meshed with each other, the driving gear 13 is installed on the first device, and the driven gear 5 is installed on the second device. On the device; the driving gear 13 and the bottom synchronizing wheel 16 of the first device are fixed on the same shaft, and...

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Abstract

The invention discloses a novel 3D printing bar material extrusion mechanism, which includes a driving gear and a driven gear, the driving gear and the driven gear mesh with each other, the driving gear is installed on the first device, and the driven gear is installed on the second device , the structure of the first device is consistent with that of the second device, both including a synchronous belt, a top synchronous wheel and a bottom synchronous wheel; the upper end of the first device and the second device is provided with a positioning sleeve, the lower end is provided with a heating device, and the bottom of the heating device is provided with a nozzle. The invention realizes the self-adaptation of the size of the bar material within a certain range, and ensures the continuous transmission and extrusion of the multi-section bar material, so as to ensure the adaptability and continuity in the actual printing process, lay the foundation for automatic feeding, and Improve the application range of materials for fused lamination molding 3D printing technology.

Description

technical field [0001] The invention relates to the technical field of 3D printing equipment, in particular to a novel 3D printing bar extrusion mechanism. Background technique [0002] The traditional FDM 3D printing technology (FDM) is to heat and melt the filamentous hot-melt material, and at the same time, under the control of the computer, the three-dimensional nozzle selectively coats the material on the workbench layer by layer according to the cross-sectional profile information. superior. In theory, materials that can be heated and melted and cooled and solidified are suitable for this technology. However, the raw material used is filamentary wire, which usually needs to be wound on a circular material tray. Therefore, at this stage, the raw materials that can be printed by this 3D printing technology are mostly thermoplastic polymer materials with certain elastic plasticity. Other materials that do not have excellent elastoplasticity often need to be mixed with t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C64/118B29C64/314B29C64/321B33Y10/00B33Y40/00B33Y40/10B33Y70/10
CPCB29C64/118B29C64/314B29C64/321B33Y10/00B33Y40/00B33Y40/10B33Y70/10
Inventor 贺礼钟一瀚钟云腾白崇庆胡亮
Owner FOSHAN NANHAI GUANGDONG TECH UNIV CNC EQUIP COOP INNOVATION INST
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