3D printing device and printing method based on coating resin
A 3D printing and coating technology, applied in the field of 3D printing, can solve the problems of difficult separation of cured resin and film, insufficient printing accuracy, etc., and achieve the effect of increasing 3D printing speed, reducing pulling force and sufficient contact
Pending Publication Date: 2022-07-22
深圳永昌和科技有限公司
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Problems solved by technology
[0005] The present invention provides a resin-coated 3D printing device and printing method, aiming to solve the problems of the existing 3D printers based on liquid tanks that it is difficult to separate the cured resin from the film and the printing accuracy is insufficient.
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[0025] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0026] It should also be understood that the terminology used in this specification of the present invention is for the purpose of describing particular embodiments only and is not intended to limit the present invention. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural unless the context clearly dictates otherwise.
[0027] It should further be understood that,...
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The invention discloses a 3D printing device and method based on coating resin, the 3D printing device comprises a release film, a lifting plate and a light curing device, the release film is provided with a plurality of pieces of coating resin arranged in sequence, the release film is arranged between the lifting plate and the light curing device, the coating resin is arranged on the side, close to the lifting plate, of the release film, and the light curing device is arranged on the side, close to the lifting plate, of the release film. Light emitted by the light curing device is irradiated to the lifting plate; the release film moves between the lifting plate and the light curing device so as to sequentially drive the coating resin to move to the position between the lifting plate and the light curing device. According to the device, through the characteristics of coating resin, the step of curing and forming in a liquid tank is reduced, so that the photocuring process is carried out in an aerobic environment all the time, separation from a release film is easier, and the printing precision is improved. And layer-by-layer curing is carried out in a moving manner, so that the curing thickness and curing energy of each layer can be more accurately controlled.
Description
technical field [0001] The invention belongs to the technical field of 3D printing, and particularly relates to a 3D printing device and a printing method based on coating resin. Background technique [0002] 3D printer, also known as three-dimensional printer (3DP), is a kind of cumulative manufacturing technology, that is, a machine of high-speed forming technology. It is based on a digital model file and can be bonded by using special wax, powdered metal or plastic. materials, which create three-dimensional objects by printing layers of adhesive material. [0003] Existing 3D printers, including conventional SLA / DLP / LCD printers, will include a liquid tank (feed tank) containing the model resin for holding the liquid resin. The imaging system is located under the liquid tank, and its imaging surface is just located At the bottom of the liquid tank, through energy and pattern control, a thin layer of resin (50μm / 25μm) with a certain thickness and shape can be cured each t...
Claims
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IPC IPC(8): B29C64/129B29C64/379B29C64/371B33Y10/00B33Y40/00
CPCB29C64/129B29C64/379B29C64/371B33Y10/00B33Y40/00
Inventor 林世妥肖国悦焦鑫
Owner 深圳永昌和科技有限公司