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Multi-material rapid prototyping device and method

A technology of prototyping and forming methods, applied in the direction of additive processing, etc., can solve the problems of single product material, limited forming shape, low forming precision, etc., and achieve the effect of simple process, expanding scope and improving product performance

Active Publication Date: 2016-12-07
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0011] The purpose of the present invention is to solve the problems of the existing rapid prototyping technology that the product material is single, the molding shape is limited and the molding accuracy is low, and a multi-material rapid prototyping device and method are provided.

Method used

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  • Multi-material rapid prototyping device and method

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specific Embodiment approach 1

[0063] Specific implementation mode one: the following combination figure 1 Describe this embodiment, the multi-material rapid prototyping device described in this embodiment includes a frame 1, a feeding drive machine 2, a material delivery head 3, a material bin 4, a recovery chamber 5, a guide rail 6, and a residual material removal machine 7. Scraper 8, molding cavity 9, light source 10, light guide system 11, imaging system 12 and controller,

[0064] The central area of ​​the frame 1 is provided with a molding chamber 9, and the bottom of the molding chamber 9 is supported by a piston that can be controlled to lift; one end of the frame 1 is provided with a feeding driver 2 near the frame, and the output end of the feeding driver 2 is connected to the feeding head 3 , the position of the discharge port of the feeding head 3 corresponds to the forming cavity 9; it is located inside the feeding drive machine 2, and a plurality of hoppers 4 and recovery cavities 5 are arran...

specific Embodiment approach 2

[0073] Specific implementation mode two: the following combination Figure 1 to Figure 10 Describe this embodiment, the multi-material rapid prototyping method described in this embodiment, the molding method is realized based on a multi-material rapid prototyping device, the molding method is a molding method of two structural materials; it includes the following steps:

[0074] Step 1: Use graphics software to generate a 3D model of the product to be formed, divide the 3D model into multiple parts, and mark the structural materials used in each part;

[0075] Step 2: Save the 3D model as a standard additive manufacturing file format, and record the shape, material and color information of the parts corresponding to the 3D model;

[0076] Step 3: Use 3D slicing software to cut and layer the 3D model in Step 2, and then generate a rapid prototyping layered control instruction file according to the structural materials of each layer. The layered control instruction file include...

specific Embodiment approach 3

[0090] Specific implementation mode three: the following combination Figure 1 to Figure 10 Describe this embodiment, the multi-material rapid prototyping method described in this embodiment, the molding method is realized based on a multi-material rapid prototyping device, the molding method is a molding method of two structural materials; it includes the following steps:

[0091] Step 1: Use graphics software to generate a 3D model of the product to be formed, divide the 3D model into multiple parts, and mark the structural materials used in each part;

[0092] Step 2: Save the 3D model as a standard additive manufacturing file format, and record the shape, material and color information of the parts corresponding to the 3D model;

[0093] Step 3: Use 3D slicing software to cut and layer the 3D model in Step 2, and then generate a rapid prototyping layered control instruction file according to the structural materials of each layer. The layered control instruction file inclu...

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Abstract

The invention discloses a multi-material rapid prototyping device and method, and belongs to the technical field of rapid prototyping. The multi-material rapid prototyping device and method aim at solving the problems that products obtained through existing rapid prototyping technologies are singular in material, prototyping shapes are limited, and prototyping precision is low. The device comprises a rack, a feeding driver, a conveying head, bins, recovery cavities, a guide rail, a residue removing machine, a leveling machine, a prototyping cavity, a light source, a light guide system, an imaging system and a controller. The prototyping cavity is formed in the center of the rack, the feeding driver is arranged in the position, close to a frame, of one end of the rack, and the output end of the feeding driver is connected with the conveying head. The guide rail is arranged in the position, close to the frame, of the other end of the rack in the direction parallel to the frame, and the residue removing machine is connected to the guide rail. The leveling machine is further arranged at the other end of the rack and located on a peripheral frame of the prototyping cavity. According to the method, rapid prototyping of a final product composed of multiple materials can be achieved through area selection sintering, curing, gasification and combination of area selection sintering, curing and gasification. The multi-material rapid prototyping device and method are used for multi-material rapid prototyping.

Description

technical field [0001] The invention relates to a rapid prototyping device and method for multiple materials, and belongs to the technical field of rapid prototyping. Background technique [0002] Rapid prototyping processes are well known, such as the use of known layered manufacturing techniques in which a number of layers sequentially built up one after the other gradually form an article, such as a metal mold, a prototype, or the like. A variant of this method is called the SLA system, for example, the Chinese patent "Digital Projection Light Curing Rapid Prototyping Device and Method", the publication number is CN 1850494A; and the Chinese patent "Rapid Prototyping Method Using Projection Technology", The publication number is CN100391721C; they use a computer-controlled focused UV laser to scan the liquid surface of a photopolymerizable liquid polymer, such as a photosensitive resin, to selectively polymerize the polymer to form a first solid polymer layer. This layer...

Claims

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Application Information

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IPC IPC(8): B29C67/00B33Y10/00B33Y30/00B33Y50/00B33Y50/02B33Y40/00
CPCB33Y10/00B33Y30/00B33Y40/00B33Y50/00B33Y50/02
Inventor 陈广俊吴頔王东鹏
Owner HARBIN INST OF TECH
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