Laser melting molding machine with residual material recovery

Abstract

The invention discloses a laser melting molding machine with residual material recovery, which comprises a machine frame, a powder spreading device for laying metal powder, a laser system for selectively melting the metal powder, a horizontal guide rail for supporting the powder spreading device, and The vertical drive mechanism used to drive the vertical movement of the horizontal guide rail and the residual material recovery device for recycling the remaining material spilled from the powder spreading device to the powder spreading device; The horizontal drive mechanism of the horizontal reciprocating motion of the device; the laser melting molding machine with residual material recovery of the present invention; while in-situ processing can be realized, the metal powder residual material can be effectively recovered, material waste is avoided, and it is beneficial to the reciprocating use of materials, effectively Reduce the volume of the system and make it easy to move.

Description

technical field [0001] The invention relates to the field of manufacturing, in particular to a laser melting molding machine with residual material recovery. Background technique [0002] Rapid prototyping technology is a new type of manufacturing technology developed in the 1980s. This technology is the process of slicing the three-dimensional model of the part, stacking it layer by layer, and finally superimposing it into a three-dimensional solid part. Rapid prototyping technology breaks through the conventional ideas of deformation forming and removal forming, and realizes the concept of "net shape". There are three main types of rapid prototyping: selective laser sintering (SLS), laser cladding manufacturing (LENS), and selective laser melting (SLM). Among them, the parts prepared by selective laser melting technology have high density, high precision, good performance and good processing stability, which have attracted much attention at home and abroad. At present, S...

AI Technical Summary

Problems solved by technology

Asia is mainly concentrated in Singapore, Japan and other countries; in the existing technology, it is generally to control the lifting of the platform to realize the layering of the powder layer to descend in sequence, and realize that the topmost layer is the next processing layer; and the area of ​​the platform is fixed, and its area corresponds to the processing layer. The bottom area of ​​the area, and for different sizes of workpieces, the volume of the processing area remains the same, so that when processing small-sized workpieces, the space in the processing area still needs to be filled with powder, which makes the processing raw materials polluted and wasteful, and the raw materials are recycled. The processing is cumbersome. At the same time, when processing large workpieces, this technology cannot realize in-situ processing, that is, it needs to be processed and transported to the place of use. The processing efficiency is low, the limitations are large, and the scope of application is limited.

Images