Powder supply and recovery component of selective laser-sintering printing equipment

Abstract

The invention discloses a powder supply and recovery component of selective laser-sintering printing equipment, and relates to the technical field of printing equipment. The powder supply and recovery component comprises a printing base and powder; the bottom of the printing base is fixedly embedded in the outer wall of the top of a device shell; a rolling mechanism is arranged above the printing base and comprises a tiling roller, a No. 1 connecting rod, a No. 1 supporting rod, a movable shell and a fixing rod; the bottom of the tiling roller is movably connected with the upper surface of the powder; and the tiling roller is rotationally mounted on the No. 1 connecting rod. According to the powder supply and recovery component of the selective laser-sintering and printing equipment, a scraping mechanism is arranged on the tiling roller, so that when the rolling mechanism conducts powder tiling, the scraping mechanism can conduct cleaning operation on powder attached to the surface of the tiling roller; meanwhile, the scraping mechanism can be self-cleaned through a cleaning mechanism, the cleaning efficiency is improved, and thus the powder tiling efficiency can be improved.

Description

technical field [0001] The invention relates to the technical field of printing equipment, in particular to a powder supply recovery component of selective laser sintering printing equipment. Background technique [0002] Laser sintering, the technology of sintering powder compacts with laser as heat source. This technology has unique advantages for sintered materials that are not easily completed by conventional sintering furnaces. Due to the low concentration and penetrating power of the laser beam, it is suitable for sintering of small area and thin sheet products. It is easy to sinter together powder or flake compacts of different composition than the matrix. Bonding of high melting point metals and ceramics can be achieved using lasers. Compared with other rapid prototyping technologies, the components prepared by laser sintering have the characteristics of good performance, fast production speed, diverse materials, and low cost. Europe, America and Japan have gradu...

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Problems solved by technology

[0003] In the prior art, during the working process of laser sintering, the powder is directly rolled by the roller to spread the powder, which will cause the powder to adhere to the roller, resulting in low utilization of the powder, and the adhesion of the powder will cause The surface of the roller is uneven, which affects the efficiency and quality of tiling

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