A 3D printing pen

Abstract

The invention discloses a 3D printing pen. The 3D printing pen comprises a first printing pen point, a printing pen body, a feeding pipe and a mixing barrel; the feeding pipe shaped like a four-way pipe is arranged inside the printing pen body; the mixing barrel is connected to one end, far away from a liquid material tank, of the feeding pipe; one end, far away from the mixing barrel, of a guiding hose extends to the bottom of the printing pen body and is connected with the first printing pen point. According to the 3D printing pen, the proportion of every feeding pipe photosensitive resin liquid is guaranteed, so that the purity of the required color is guaranteed, and meanwhile, modulation is performed according to the required amount; during extrusion, on one hand, the photosensitive resin liquids can be stirred by the aid of a second spiral stirring shaft and a first spiral stirring shaft, and on the other hand, the pressure can be provided for the photosensitive resin liquids until an extruding plate makes contact with the top of the mixing barrel, so that the photosensitive resin liquids can be discharged conveniently and completely, and waste is prevented; and meanwhile, the inside hole diameters of the printing pen points can be adjusted conveniently, dismounting is not required, and thus the printing pen is convenient to use.

Description

technical field [0001] The invention relates to the technical field of 3D printing pens, in particular to a 3D printing pen. Background technique [0002] With the development of science and technology, 3D printing technology is more and more widely used in various fields. At the same time, 3D printing technology also appears in people's life in the form of more types of products. The handheld 3D printing pen is mainly divided into two types: hot-melt type and light-curing type. The light-curing 3D printing pen extrudes liquid photosensitive resin, which is cured and formed under the action of ultraviolet light. Its processing flexibility and final printing body There are certain advantages in the texture fineness, and the optional and combination types and ranges of photosensitive materials are also very flexible. [0003] Although the existing 3D printing pen can use the principle of three primary colors to modulate different colors for writing and printing, it cannot ens...

AI Technical Summary

Problems solved by technology

[0003] Although the existing 3D printing pen can use the principle of three primary colors to modulate different colors for writing and printing, it cannot ensure the mixing and matching ratio of two and three colors in the modulation process, so that the required color cannot be guaranteed. At the same time, it is impossible to control the amount of use when using it, and it is easy to cause residue inside the printing pen. When other colors are required, it cannot be modulated. At the same time, the nibs of the printing pens are now through the cooperation between the threads. The nib is disassembled to replace other nibs to adjust the size of the discharge aperture, which is inconvenient to use and too cumbersome to replace

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