Material supplying and spreading integrated scraper for 3D printing and material supplying and spreading integrated method

Abstract

The invention provides a material supplying and spreading integrated scraper for 3D printing and a material supplying and spreading integrated method. The material supplying and spreading integrated scraper for 3D printing comprises a scraper frame, a left scraper body and a right scraper body. A height-adjustable left scraper and a height-adjustable right scraper are respectively mounted on the left side and the right side of the scraper cavity; the distance between the left scraper and the bottom face of the scraper cavity and the distance between the right scraper and the bottom face of the scraper cavity are one printing layer thickness. Compared with the prior art, the material spreading and scraping piece has the advantages that the material spreading and scraping piece is provided with the double scrapers and the scraper cavity for containing printing materials, the material supplying and spreading integrated scrapers are integrated, traditional material supplying and material spreading are integrated into material spreading and material supplying which are carried out at the same time, and the material spreading and supplying efficiency is improved; and 2) the height of the scraper is adjustable, so that scraping of materials with different layer thicknesses is realized, and various use requirements are met. And (3) the material supplying and spreading integrated scraper used for 3D printing and the material scraping rotating disc are installed in a matched mode through three orthogonal plane structures, and high stability of the material supplying and spreading integrated scraper during rotating material scraping or linear back-and-forth material scraping is guaranteed.

Description

technical field [0001] The invention belongs to the technical field of 3D printing, and in particular relates to an integrated scraper for 3D printing and an integrated method for supplying and spreading materials. Background technique [0002] 3D printing is a technology that uses bondable materials such as powdered metal or plastic to construct objects by layer-by-layer printing based on digital model files. [0003] At present, in the light-curing 3D printing industry, the most widely used printing materials are non-Newtonian fluid materials such as paste and resin. Due to the adhesive nature of the printing material itself, in order to achieve high-precision additive manufacturing at this stage, it is necessary to flatten the exposed and cured surface of each layer with a scraper or other methods. In the prior art, the thickness control accuracy of most scrapers is not high, and the reliability is poor. Moreover, most of the feeding parts are fed from the side, and the...

AI Technical Summary

Problems solved by technology

In the existing technology, most of the scraper scraping layer thickness control accuracy is not high, and the reliability is poor

Moreover, most of the feeding part adopts side feeding, and then scrapes it with a scraper, which takes up a lot of space and the scraping efficiency is low

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