Photo-curing 3D printer and resin tank assembly and printing method thereof

Abstract

The invention relates to a photo-curing 3D printer and a resin tank assembly and a printing method thereof. The resin tank assembly comprises a tank body (1) used for containing a resin material and with the light-transmitting tank bottom and a mounting seat (4) used for detachably mounting the tank body (1). An OLED screen (2) is arranged between the tank body (1) and the mounting seat (4). The self-luminous OLED screen has the advantages of being high in response speed, capable of emitting light with a simple driving circuit, simple in manufacture procedure and the like at the same time, besides, according to the OLED screen, in the displaying aspect, luminance is high, the response speed is high, and the image is stable and high in resolution, therefore, the photo-curing 3D printer and the resin tank assembly thereof adopt the OLED screen to supply a light source, and complex light path arrangement is avoided; and the 3D printing method is conducted by utilizing the photo-curing 3D printer, so that the manufacturing cost is relatively low, delayed time at the time of printing is reduced, the photo-curing efficiency is improved, and accordingly the printing efficiency is improved.

Description

technical field [0001] The present disclosure relates to the field of 3D printing, in particular, to a light-curing 3D printer, a resin pool assembly, and a printing method thereof. Background technique [0002] In 3D (three dimensional) printing technology, photocuring rapid prototyping technology is more common, which uses liquid photosensitive resin (UV) to undergo polymerization reaction under light, so that the light source can be cured according to the cross-sectional shape of the 3D printing object to be cured. After irradiation, the liquid photosensitive resin is cured layer by layer and then accumulated and superimposed, finally forming a cured 3D printing object. [0003] Currently, photocuring rapid prototyping devices based on the above principles mainly include a selective laser curing device (SLA, also known as a stereolithography device) and a mask photolithography device (DLP). [0004] Among them, the selective laser curing device uses a laser with a specif...

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Problems solved by technology

[0006] In addition, whether it is a selective laser curing device or a mask photocuring device, it has a complex optical path, resulting in a long delay during printing, which reduces the curing efficiency

[0007] In order to increase the speed of light curing, Carbon3D in the United States invented a continuous light curing technology (CLIP) based on DLP. Although this technology can increase the printing speed, the manufacturing cost is high, and the price of this 3D printer reaches tens of thousands of dollars.

[0008] In addition, if the light curing speed is increased by selecting a light source with higher intensity, the heat released by the resin at the bottom of the photosensitive resin pool will increase during curing, thereby reducing the service life of the resin pool

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