Mask manufacturing method based on fused deposition in-situ 3D printing technology

Abstract

The invention relates to a mask manufacturing method based on a fused deposition in-situ 3D printing technology, in particular to a replaceable filter element mask manufactured based on the fused deposition modeling in-situ 3D printing technology, and the mask comprises a main body general part of the mask and is manufactured on a large scale through an injection mold. The mask further comprises a face fitting customization part, firstly, the face three-dimensional features of a wearer are extracted through reverse engineering, a personalized customization part three-dimensional model is established according to the size of an injection mold part and the face features of the user, fused deposition modeling 3D printing is carried out, and finally the integrated mask is formed. The mask with the replaceable filter element is attached to the face of the user, more comfortable to wear, good in sealing performance, better in protection effect and capable of being recycled. According to the method, mold manufacturing and 3D printing manufacturing are combined, the actual use requirement can be well met, the machining period can be shortened, the cost can be reduced, and the method is suitable for batch production.

Description

technical field [0001] The invention relates to the technical field of mask production, in particular to a mask based on fused deposition modeling, that is, FDM (Fused Deposition Modeling) in-situ 3D printing technology and a production method thereof. Background technique [0002] Traditional melt-blown cloth masks cannot be recycled because they will be destroyed in high temperature, alcohol and other environments. Non-woven double-layer masks, filter membrane masks, etc. extend the service life of the masks to a certain extent, but when the use time exceeds 7 days, not only the filtering effect will be greatly reduced, but also it is easier to cause bacterial growth. Therefore, a replaceable filter-element mask becomes a better solution. [0003] A replaceable filter-element mask (publication number CN111802724A), the proposal provides a manufacturing method of a replaceable filter-element mask, the same as other existing replaceable filter-element masks on the market, a...

AI Technical Summary

Problems solved by technology

However, the facial features of each person are different. The mask made of the same mold is not comfortable, and it will cause pain when worn for a long time. At the same time, because it cannot fit the face well, the airtightness of the mask will be poor.

In addition, not only in daily scenarios, but also in special scenarios such as hospitals or production workshops, there are similar problems with replaceable filter masks, which cannot well meet the needs of actual use

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