Clay 3D (Three Dimensional) printer and extruding device thereof

Abstract

The invention discloses a clay 3D (Three Dimensional) printer. The clay 3D printer comprises a rack, and a material storage device and an extruding device which are arranged on the rack, wherein the material storage device comprises a material storage tank, an air compressor, a piston and a material conveying pipe; the air compressor is communicated with a top air inlet of the material storage tank; the piston is arranged in the material storage tank; and the extruding device comprises a shell, a feeding part, an extruding charging barrel arranged in the shell and a nozzle arranged at the lower part of the extruding charging barrel. The difficulty that materials have air bubbles in a printing process is overcome and the problem of the viscosity of the materials is effectively solved; and meanwhile, an extruding amount of the nozzle also can be effectively controlled, and the printing quality and precision of a product are guaranteed. With the adoption of the clay 3D printer provided by the invention, the material storage tanks with different sizes can be replaced according to clay with different viscosities and an applicable range of the clay 3D printer is expanded; and the material conveying pipe adopts a PU (Polyurethane) hose so that the resistance of flowing-state clay can be reduced and the clay is prevented from being blocked in the material conveying pipe.

Description

technical field [0001] The invention relates to the technical field of 3D printing equipment, in particular to a clay 3D printer. Background technique [0002] Existing clay 3D printers generally use syringe pumps or peristaltic pumps. This structure generates a lot of heat and has low efficiency. Air bubbles often exist in the material during the printing process, resulting in wire breakage, which significantly reduces the strength of the product and cannot print clay with high viscosity. materials, and the viscosity of fluid clay materials cannot be accurately controlled. Existing clay 3D printers cannot achieve precise micro-spraying during the printing process, and cannot perform continuous spraying and need to additionally inject fluid clay into the extrusion barrel. Contents of the invention [0003] Provide a clay 3D printer that solves the problem of air bubbles in materials during printing, realizes continuous replenishment of materials, precise micro-injection, ...

AI Technical Summary

Problems solved by technology

[0002] Existing clay 3D printers generally use syringe pumps or peristaltic pumps. This structure generates a lot of heat and has low efficiency. Air bubbles often exist in the material during the printing process, resulting in broken wires, which significantly reduces the strength of the product and cannot print clay with high viscosity. materials, and the viscosity of fluid clay materials cannot be accurately controlled

Existing clay 3D printers cannot achieve precise micro-injection during the printing process, and cannot perform continuous injection and need to inject fluid clay into the extrusion barrel

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