Multi-head collaborative 3D printing equipment and printing method

Abstract

The invention discloses a multi-head collaborative 3D printing device and method. The 3D printing equipment comprises a three-axis displacement platform, a printing head module, a movable supporting plate and a control unit. The three-axis displacement platform is not limited to a desktop type three-axis platform and a non-desktop type three-axis platform; the printing head module is mounted on the three-axis displacement platform and comprises a printing head mounting plate and a printing head combination; the printing head combination can comprise 3D printing heads of different specifications, the 3D printing head of one specification is a printing head driven by piezoelectricity, and the high-precision printing effect can be achieved. The 3D printing head of the other specification is aprinting head driven by electromagnetism, so that a high-efficiency printing effect can be achieved; according to the 3D printing equipment and the printing method, metal or non-metal materials can be printed; inert gas shielding is not needed in the printing process, a laser heating device and a powder laying device are not needed, and the working efficiency is remarkably improved; production cost is greatly reduced.

Description

technical field [0001] The invention relates to 3D printing technology, in particular to a multi-head cooperative 3D printing device and a printing method. Background technique [0002] 3D printing technology is an additive manufacturing technology based on the principle of discrete-accumulation manufacturing. According to the designed 3D model, 3D printing equipment is used to add materials layer by layer to realize the manufacture of three-dimensional products. Compared with traditional manufacturing technology, 3D printing technology does not need to remove a large amount of materials, does not need to go through complicated manufacturing processes, and does not need to manufacture production molds in advance, especially when combined with product structure topology optimization technology, it greatly realizes the structure of the product. optimized while saving material and energy. Therefore, 3D printing technology is a change to the traditional manufacturing industry, ...

AI Technical Summary

Problems solved by technology

In addition, for some commonly used metal materials such as titanium alloy and aluminum alloy, inert gas protection is required during the printing process. The high-temperature forming process makes the surface hardness of the cooled metal higher, and it is very difficult to process again.

At the same time, the existing printing methods and equipment are difficult to achieve the printing of multiple materials

[0005] For printing equipment, most metal printing requires a vacuum environment, laser heating equipment / or electron beam heating equipment. Printing equipment is expensive, and its wide application is quite restricted; it also causes the equipment to be bulky and the application space is limited

[0006] For printed parts, except for SLM selective laser melting 3D printing technology, the mechanical properties of parts are difficult to match with traditional subtractive manufacturing methods. Generally, 3D printed parts are mostly used to form simple shapes and simple parts. Blanks, etc., resulting in considerable restrictions on the range of product applications

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