Novel 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: 2021-03-23
FOSHAN NANHAI GUANGDONG TECH UNIV CNC EQUIP COOP INNOVATION INST +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the existing fused lamination molding printing nozzles are mostly used for filament-like continuous wires of fixed si...

Method used

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  • Novel 3D printing bar extrusion mechanism
  • Novel 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 in conjunction with the accompanying drawings and embodiments. It should be understood that the specific examples described here are only used to explain the present invention, not to limit the present invention.

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

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Abstract

The invention discloses a novel 3D printing bar extrusion mechanism. The novel 3D printing bar extrusion mechanism comprises a driving gear and a driven gear; the driving gear and the driven gear areengaged with each other, the driving gear is installed on a first device, the driven gear is installed on a second device, and the first device and the second device are consistent in structure and each comprise a synchronous belt, a top synchronous wheel and a bottom synchronous wheel; positioning sleeves are arranged at the upper ends of the first device and the second device; heating devices are arranged at the lower ends of the first device and the second device; and nozzles are arranged at the bottoms of the heating devices. According to the novel 3D printing bar extrusion mechanism, theself-adaption of the size of the bar within a certain range is realized, and the continuous conveying and extrusion of multiple sections of bars are ensured, so that the adaptability and continuity inthe actual printing process are ensured, a foundation is laid for automatic feeding, and the material application range of the fused deposition modeling 3D printing technology is expanded.

Description

technical field [0001] The invention relates to the technical field of 3D printing equipment, in particular to a novel 3D printing rod extruding mechanism. Background technique [0002] The traditional fused lamination molding 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 layer by layer on the workbench according to the cross-sectional profile information. superior. Theoretically, materials that can be melted by heating and solidified by cooling are suitable for this technology, but the raw materials used are filamentous wires, which usually need to be wound on a circular tray. Therefore, at this stage, most of the raw materials that can be printed by this 3D printing technology are thermoplastic polymer materials with certain elasticity and plasticity. Other materials that do not have excellent elastic-plastic propertie...

Claims

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Application Information

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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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