3D printing device and technique for forming large products

A technology for 3D printing and large-scale products, which is applied in the direction of manufacturing auxiliary devices, additive processing of mixtures of solid materials and liquid materials, processing and manufacturing, etc. Problems such as printing material size and power are small, so as to achieve the effects of less restrictions on printing materials, avoiding thermal collapse, and fast forming speed

Active Publication Date: 2017-03-22
BEIJING UNIV OF CHEM TECH
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of the screw plasticizing conveying printer is that the process parameters of the printed material are difficult to adjust accurately, and the temperature fluctuation of the screw heating section and the unevenness of the flow rate in the barrel will directly affect the accuracy of the printed product
Although the heat

Method used

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  • 3D printing device and technique for forming large products
  • 3D printing device and technique for forming large products

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Embodiment Construction

[0022] The present invention proposes a 3D printing device and process for forming large-scale products, such as figure 1As shown, it is mainly composed of injection system, data conversion and control system, three-dimensional motion system, molding system, microwave heating system, etc. The molding system and the microwave heating system are placed separately. The injection system is mainly composed of glue storage box 8 and nozzle 6; the data conversion and control system is mainly composed of motion control card 16 and data storage 17; the three-dimensional motion system is mainly composed of X-direction motion mechanism 5 It is composed of the Y-direction movement mechanism 7, the Z-direction storage chamber movement mechanism 1 and the Z-direction molding chamber movement mechanism 18; the molding system is mainly composed of the storage chamber 3, the storage chamber piston 2, the molding chamber 9, the molding chamber piston 11 and the The material roller 4 is formed; ...

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Abstract

The invention discloses a 3D printing device and technique for forming large products. The printing device mainly comprises an injection system, a data conversion and control system, a 3D movement system, a forming system and a microwave heating system. The injection system mainly comprises a glue storing box and a nozzle. The data conversion and control system is mainly composed of a movement control card and a data storage. The 3D movement system is mainly composed of an X-direction movement mechanism, a Y-direction movement mechanism, a Z-direction storage cavity movement mechanism and a Z-direction forming cavity movement mechanism. The forming system is mainly composed of a storage cavity, a storage cavity piston, a forming cavity, a forming cavity piston and a paving roller. The microwave heating system is mainly composed of a heating cavity and a temperature controller. The printing process only involves binding of glue and particle materials, microwave heating is adopted for a heating part, the interiors and exteriors of printed products can be heated at the same time, and finally the products with the interiors uniformly filled are formed. The 3D printing device and technique for forming large products are high in forming speed, the technique is simple, limitation of printed materials is small, and the 3D printing device and technique can be used for forming large products.

Description

technical field [0001] The invention relates to a 3D printing device and process, in particular to a 3D printing device and process that can be used to form large-scale products. Background technique [0002] Rapid prototyping technology (also known as rapid prototyping manufacturing technology, Rapid Prototyping Manufacturi-ng, referred to as RPM), also known as 3D printing. This technology manufactures entities in a layer-by-layer manner through molding equipment based on the three-dimensional model data of the object. This technology can overcome the special structural obstacles that cannot be realized by traditional mechanical processing at present, and can realize the simplified production of arbitrary complex structural parts. The existing 3D printing technologies are mainly divided into fused deposition modeling (FDM), stereolithography (SLA), selective laser sintering (SLS), stereolithography (SLA), three-dimensional jet printing (3DP) and digital light processing. ...

Claims

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Application Information

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IPC IPC(8): B29C64/165B29C64/295B29C64/307B29C35/08B33Y10/00B33Y30/00B33Y40/00
CPCB29C35/0805B29C2035/0855B33Y10/00B33Y30/00B33Y40/00
Inventor 杨卫民刘晓军焦志伟丁玉梅
Owner BEIJING UNIV OF CHEM TECH
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