Multi-partition array type selective melting manufacturing equipment and process

Abstract

The invention relates to multi-partition array type selective melting manufacturing equipment and a process. The equipment is characterized in that a forming bin is internally connected with a formingbottom plate through a lifting guide rail, a forming platform is arranged at the upper end of the forming bin, a plurality of powder laying grids which are distributed in parallel are arranged on theforming platform, a powder forming area on the forming platform is divided into a plurality of array type powder selecting areas, a powder bin is arranged at each of the two ends of each powder laying grid, the two ends of each powder laying grid and the powder bins on the corresponding powder laying grid are connected with the forming platform through bin sliding bases, the bin sliding bases drive the powder laying grids and the powder bins to perpendicularly reciprocate on the forming platform in the powder laying direction, multi-partition powder laying is formed, and high-energy beams canbe used for printing in the middles of the powder laying grids, so that powder laying and printing are relatively isolated; and a plurality of small scrapers are arranged in each powder laying grid,the small scrapers are connected with scraper driving motors through scraper driving mechanisms, and the scraper driving motors drive the small scrapers to reciprocate in the powder laying grids through the scraper driving mechanisms to evenly lay powder in the powder laying grids.

Description

technical field [0001] The invention relates to a metal and non-metal 3D printing manufacturing equipment, in particular to a multi-zone array type selective melting manufacturing equipment and process. Background technique [0002] Additive manufacturing, commonly known as 3D printing, is a combination of computer-aided design, material processing and forming technology, based on digital model files, through software and numerical control system, special metal materials, non-metal materials and medical biological materials, according to extrusion, Sintering, melting, light curing, spraying, etc. are accumulated layer by layer to create a manufacturing technology for physical objects. [0003] Among them, selective laser melting SLM (Selective Laser Melting), SLM technology is a technology that uses metal powder to be completely melted under the heat of a laser beam, cooled and solidified to form a shape. In order to completely melt the metal powder, the laser energy densit...

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Problems solved by technology

[0007] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a multi-partition array selective melting manufacturing equipment and process to solve the problems of long powder spreading time, low processing efficiency and comprehensive processing in the existing 3D printing production. high cost problem

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