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Multi-zone array selective melting manufacturing equipment and process

A technology of selective melting and manufacturing equipment, which is applied in the direction of manufacturing tools, processing and manufacturing, and additive manufacturing. It can solve the problems of high comprehensive processing cost, low processing efficiency, and long powder spreading time, so as to achieve stable powder spreading effect and improve processing efficiency. , the effect of spreading powder evenly

Active Publication Date: 2021-07-13
UNIV OF SHANGHAI FOR SCI & TECH
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  • Abstract
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  • Claims
  • Application Information

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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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  • Multi-zone array selective melting manufacturing equipment and process

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0025] Such as figure 1 , as shown in 2, the multi-partition array type selective melting manufacturing equipment of the present invention includes a base 011, a support 012, a lifting guide rail 013, a forming bin 014, a forming platform 015, a forming bottom plate 016, a powder bin 1 021, and a powder bin 2 022, the first discharge port 023, the second discharge port 024, the sliding base of the silo 025, the powder spreading grid 031, the scraper drive motor 032, the scraper drive mechanism 033, the small scraper 034, and the powder forming area 040.

[0026] The base 011 in the equipment of the present invention is the basic load-bearing structure of the whole set of devices, ensuring that the whole device does not shake during operation, the support 012 is installed on the base 011, the forming chamber 014 is installed on the support 012, and the l...

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Abstract

The invention relates to a multi-division array type selective melting manufacturing equipment and a process. A forming bin of the device is connected to a forming bottom plate through a lifting guide rail, a forming platform is arranged on the upper end of the forming bin, and a plurality of parallel powder spreading grids are arranged on the forming platform. The powder forming area on the forming platform is divided into a plurality of array powder selection areas, a powder silo is respectively provided on both ends of the powder spreading grid, and both ends of the powder spreading grid and the powder silos on it pass through respectively. The sliding base of the silo is connected with the forming platform, and the sliding base of the silo drives the powder spreading grid and the powder silo to reciprocate vertically along the powder spreading direction on the forming platform to form multi-zone powder spreading. Printing is carried out in the middle, so that powder spreading and printing are relatively isolated; there are several small scrapers in the powder spreading grid, and the small scrapers are connected to the scraper driving motor through the scraper driving mechanism, and the scraper driving motor drives the small scrapers on the powder spreading grid through the scraper driving mechanism. Internal reciprocating motion, spread the powder evenly in the powder grid.

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...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C64/153B29C64/20B29C64/214B22F3/105B33Y30/00B33Y10/00
CPCB29C64/153B29C64/20B29C64/214B33Y30/00B33Y10/00B22F10/00B22F12/30B22F10/28B22F12/67B22F12/224Y02P10/25
Inventor 曹志强沈爱萍
Owner UNIV OF SHANGHAI FOR SCI & TECH
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