A colorful fusing type 3D printer

Abstract

The invention relates to a colorful fusing type 3D printer. The printer includes a shell, a sealing door disposed on the shell, a workbench disposed at the inner bottom of the shell, a colorful sprayer assembly disposed in the shell, a movement mechanism used for driving the colorful sprayer assembly to move three-dimensionally, a plurality of material supplying mechanisms for providing printing materials and a controller for controlling the mechanisms. The colorful sprayer assembly includes an annular base, a heater disposed in the middle of the base, a plurality of sprayer storage holes disposed on the base, a sprayer printing hole vertically penetrating the heater, sprayers disposed in the sprayer storage holes and having different printing material colors, and a manipulator disposed atthe inner top of the shell and used for taking a sprayer into the sprayer storage hole or the sprayer printing hole. The printer is provided with the sprayers different in printing material colors, and the sprayers can be automatically switched through the manipulator according to required colors to print a 3D printed object having a plurality of colors, thus increasing the production efficiency.

Description

technical field [0001] The invention relates to the field of 3D printers, in particular to a colorful fusion type 3D printer. Background technique [0002] The 3D printing technology based on fused deposition modeling (Fused Deposition Modeling, hereinafter referred to as FDM) first appeared in the 1980s. Its working principle is to generate 3D entities by adding materials layer by layer. , scanning, etc. to obtain the three-dimensional model of the object to be printed, and then complete a series of digital slices along a certain direction through computer-aided design technology, and transmit the information of these slices to the 3D printer, and the computer generates machine instructions based on the digital slices. The 3D printer prints thin layers according to the machine instructions, and stacks successive thin layers until a solid object is formed to form a three-dimensional object, and finally 3D printing is completed. [0003] At present, FDM 3D printers are limit...

AI Technical Summary

Problems solved by technology

[0003] At present, FDM 3D printers are limited to single-color printing. Although multi-color printing can be achieved by changing the printing material; but the process is very complicated and time-consuming, and requires experienced 3D operators to complete, and the surface quality of the printing will be affected by the pause in the middle. It leaves contact marks and affects the printing quality; therefore, color 3D printers have also appeared on the market, such as the prior art 201611164065.5, which discloses a multi-color integrally formed 3D printer, including a printer frame, a raw material rack, a nozzle feeding module, and a gripper. Hand mechanism, the raw material rack is fixed on the printer frame, the nozzle feeding module is stuck on the raw material rack, the top gripper mechanism can slide freely in the horizontal direction and the vertical direction through the guide rail, and the gripper mechanism grabs different nozzle feeding modules; the nozzle supply The material module is composed of raw materials, wire clamping device, telescopic device, heating device, wire winding device, and nozzles; although the existing technology can print multi-color products, each nozzle feeding device can only provide materials of one color, resulting in The more colors are required, the number of nozzle feeding devices will also increase correspondingly, which greatly increases the manufacturing cost; and each nozzle has its own heating device, which is heated only during work, resulting in a pause in the middle, which seriously affects Printing efficiency, furthermore, it will produce scratches on the printed parts, which will affect the surface quality; and the gripper mechanism will move the nozzle of the required color to the position to be printed each time, not only the program design is more troublesome, but also its motion error will gradually Accumulated on the print, causing serious quality problems such as misalignment

Images