Release mechanism of 3D printer

Abstract

The present invention relates to the technical field of 3D printing, in particular to a release mechanism of a 3D printer, comprising a trough, a printing platform is arranged in the trough, the lower surface of the printing platform has a solidified layer, and the upper surface of the printing platform is One side is connected with a support plate through a pin shaft, and the other side of the upper surface of the printing platform is fixedly connected with two supporting columns, and a push plate parallel to the bottom surface of the trough is arranged above the printing platform, and the push plate A push rod is connected to the upper surface, and the push rod is connected to an external lifting device. A 3D printer release mechanism proposed by the present invention is provided with a printing platform that can rotate around one end, so that the solidified layer on the lower surface of the printing platform is gradually peeled off when it is separated from the bottom surface of the trough or the resin in the trough, so that the printing is successful The efficiency is higher and the effect is better, and a reset mechanism that can reset the printing platform is set to ensure the normal progress of the next printing.

Description

Technical field [0001] The present invention relates to the technical field of 3D printing, in particular to a 3D printer release mechanism. Background technique [0002] The 3D printing technology is based on the computer three-dimensional design model. Through software layering, special materials are stacked and bonded layer by layer using laser, hot melt, light and other methods to create physical products. 3D printing molding technology is still ongoing In the evolution, the materials used are also diverse. Among various molding methods, the photo-curing method is a more mature method. The photo-curing method uses the principle that the photosensitive resin is cured after being irradiated by ultraviolet light to perform material accumulation molding. It has the characteristics of high molding accuracy, good surface finish, and high material utilization rate, and is more and more accepted by people. In the light curing method, after each light is irradiated to form a cured lay...

AI Technical Summary

Problems solved by technology

During the curing process of the cured layer, there is almost no gap between its bottom surface and the bottom coating of the resin tank, plus the resistance (tension) of the thick resin, when the front of the cured layer leaves the resin tank, its adhesion suction is quite large Yes, especially when the cured layer is formed by the first light irradiation, the other side of the cured layer is adhered to the lower surface of the printing platform. If the bonding strength provided by the lower surface of the printing platform is not enough, the large adhesion force will be lost when the printing platform is lifted. As a result, the newly cured resin layer cannot be lifted together, and all or part of it is stuck to the bottom of the resin tank, resulting in printing failure

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