A three-dimensional printing device
A technology of 3D printing and equipment, which is applied in the field of 3D printing, can solve the problems of limited printing speed, achieve the effects of improving printing efficiency, improving comprehensive adjustment speed, and ensuring quality
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Embodiment 1
[0030] Embodiment 1: as Figure 1 to Figure 6 In the illustrated embodiment, a three-dimensional printing device includes a main frame 1, a discharge print head 2, a forming printing platen 3 inside the main frame, and a device for driving the discharge print head to move so as to change the output A print head displacement adjustment mechanism for the position of the material print head, the discharge print head is provided with a print head feed end for inputting printing materials, and the discharge print head is provided with a discharge port connected to the print head feed end. Passage 21, a platen adjustment cylinder 31 is provided below the forming and printing platen. The platen adjustment cylinder includes a cylinder body, a piston that slides with the cylinder body, and a piston rod connected to the piston. The piston rod of the platen adjustment cylinder is on the top 1. The cylinder body is at the bottom, the piston rod of the platen adjustment cylinder is vertica...
Embodiment 2
[0036] Embodiment 2: the basic structure and implementation mode of this embodiment are the same as embodiment 1, and its difference is:
[0037] Such as Figure 7 As shown in , the discharge channel is provided with a thermal insulation tube 23 coaxial with the discharge channel. The upper and lower ends of the thermal insulation tube are open. Thin material coloring channel 24 is formed between the wall and the channel wall of the discharge channel (that is, the inner wall of the discharge print head). The outlet of the coloring tube faces the outer wall of the heat-insulating tube, and a coloring check valve 521 is arranged at the outlet of the coloring tube. The passing direction of the coloring one-way valve is from the coloring pipe to the discharge channel, the highest point of the coloring port is lower than the highest point of the heat insulation cylinder, and the lowest point of the coloring port is higher than the lowest point of the heat insulation cylinder. The ...
Embodiment 3
[0038] Embodiment 3: the basic structure and implementation mode of this embodiment are the same as embodiment 1 or 2, and its difference is:
[0039] Such as Figure 8 , Figure 9 As shown in , the feed end of the printing head is connected to the mixing discharge end of a mixing cylinder 6 through a feed pump, and the mixing cylinder is provided with a cylinder feed port, and also includes several feeding ports for feeding the cylinder feed port. A raw material cylinder, a melting heater is provided in the raw material cylinder, a discharge valve is provided at the mixing discharge end, a mixing shaft 61a driven by a mixing motor 61 is arranged in the mixing cylinder, and a plurality of stirring blades 61b are arranged on the mixing shaft . The mixing motor is arranged above the mixing cylinder, the output end of the mixing motor is connected to the input end of a mixing speed reducer 61c, and the output end of the mixing speed reducer extends into the mixing cylinder and ...
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