A print head for a 3d printer
A 3D printer and print head technology, applied in the field of 3D printing, can solve problems such as affecting the printing efficiency of equipment, difficulty in manual replacement, and printing quality problems, and achieve the effects of stable work, simple use and fast printing speed.
Active Publication Date: 2021-06-29
HANGZHOU HIMALAYA INFORMATION TECH
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Problems solved by technology
[0004] In actual operation, manual replacement of nozzles is inefficient, which not only indirectly affects the printing efficiency of the equipment, but also easily causes printing quality problems due to the problem of repeated positioning; moreover, the nozzle temperature is high, and manual replacement is difficult
Method used
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Embodiment Construction
[0029] The present invention will be further described below in conjunction with accompanying drawing:
[0030] Refer to attached Figure 1-11 : a print head of a 3D printer in this embodiment, comprising a screw nut 1 connected to the screw rod transmission, the front end of the screw nut 1 is provided with a guide nut 2 parallel to the screw nut 1, the screw nut The lower ends of the nut 1 and the guide nut 2 are fixedly connected with a first connecting plate 3, and several fixing bolts 4 are arranged around the lower end of the first connecting plate 3, and the upper ends of the fixing bolts 4 pass through the first connecting plate 3, so that The outer side of the upper end of the fixing bolt 4 is threadedly connected with the fixing nut 5 located at the upper end of the first connecting plate 3, the outer side of the lower end of the fixing bolt 4 is provided with a second connecting plate 6, and the lower end of the fixing bolt 4 passes through the second Connecting plat...
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A printing head of a 3D printer, comprising a screw nut connected to a screw rod, the lower end of the screw nut is provided with a first connecting plate, the lower end of the first connecting plate is provided with a second connecting plate connected by a fixing bolt, and the second connecting plate There is a rotating hole in the center of the inner side of the plate, a rotating plate is arranged on the upper end of the second connecting plate, a nozzle is threadedly connected to the lower end of the rotating plate, a heating block is arranged on the outer side of the lower end of the nozzle, a connecting base is arranged on the upper end of the threaded hole, and a connecting base is arranged on the inner side of the middle end of the connecting base. Connecting part, the outer side of the upper end of the connecting part is provided with a limit boss, the outer side of the limit boss is provided with a telescopic tube, the upper end of the telescopic tube is provided with a sealing plate, the lower end of the sealing plate is opened with a first installation groove, and the upper end of the connecting base is opened with a second installation groove , the inner side of the first installation groove and the second installation groove is provided with a compression spring, the upper end of the threaded hole at the left end is provided with a throat, the inner side of the throat pipe is provided with a feeding hole, the upper end of the feeding hole is provided with a mounting hole, and the inner side of the upper end of the mounting hole is provided with a pneumatic joint. The lower end of the throat is provided with a feeding head.
Description
technical field [0001] The invention relates to the technical field of 3D printing, in particular to a printing head of a 3D printer. Background technique [0002] With people's continuous exploration and innovation in the field of equipment manufacturing, 3D printing additive manufacturing has received widespread attention and promotion in various manufacturing fields. [0003] The nozzle and the outlet of the 3D printing device are generally threaded, and the viscous material can only be extruded after the nozzle is heated. At present, 3D printing has some problems in the field of industrial printing. For example, when printing complex and large products that cannot be hollowed out, due to the large size of the product and the complex surface structure, if printing with a small nozzle, the efficiency is too low, and the diameter can be used. Large nozzles are used for fast printing; for precision parts or small contours, the use of large nozzles cannot guarantee product q...
Claims
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IPC IPC(8): B29C64/20B29C64/209B33Y30/00
CPCB33Y30/00B29C64/20B29C64/209
Inventor 祝勇仁赵庆洋范有赖全忠吴俊毛德峰
Owner HANGZHOU HIMALAYA INFORMATION TECH