A pre-soaked continuous fiber twin-screw extrusion additive manufacturing printing nozzle
A twin-screw extrusion and continuous fiber technology, which is applied in the field of pre-soaked continuous fiber twin-screw extrusion additive manufacturing printing nozzles, can solve the problems of poor printing effect of fiber-reinforced composite materials, save cost and time, and improve the overall The effect of improving performance and efficiency
Active Publication Date: 2022-02-11
JILIN UNIV
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[0029] It includes a support structure 1, a fiber feed mechanism 2, a twin-screw resin feed mechanism 3 and a mixing chamber 4, wherein: the plasma generator 202 of the fiber feed mechanism 2 is fixedly connected to the upper part of the support plate 101 of the support structure 1, and the fiber feed The fan 205 of the wire mechanism 2 is fixedly connected with the fan bracket 103 of the support structure 1, the motor frame 211 and the cutting device 207 of the fiber feed mechanism 2 are fixedly connected with the lower part of the support plate 101 of the support structure 1 respectively, and the pre-installation of the fiber feed mechanism 2 The infiltration device 203 is screwed to the twin-screw resin feeding mechanism 3 through a resin passage valve 308, and the mixing chamber 4 is connected to the twin-screw resin feeding mechanism 3 through a conduit.
[0030] The structure of the supporting structure 1 in the present invention is: the fixing plate 102 is installed at t...
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Abstract
The invention relates to a pre-soaked continuous fiber twin-screw extrusion type additive manufacturing printing nozzle, which belongs to the field of additive manufacturing. The plasma generator of the fiber feeding mechanism is fixedly connected to the upper part of the support plate of the supporting structure, the fan of the fiber feeding mechanism is fixedly connected to the fan bracket of the supporting structure, the motor frame and the cutting device of the fiber feeding mechanism are respectively connected to the supporting structure of the supporting structure. The lower part of the plate is fixedly connected, the pre-soaking device of the fiber feeding mechanism is screwed with the twin-screw resin feeding mechanism through the resin channel valve, and the mixing chamber is connected with the twin-screw resin feeding mechanism through a conduit. The advantage is that the structure is novel, and it can print fiber-reinforced composite materials, which makes the range of printed parts wider, improves the quality and performance of the final component, and the function of the printed product can meet more requirements. To the cycle of the forming process, the efficiency of component forming can also be improved, and the application prospect is broad.
Description
technical field [0001] The invention belongs to the technical field of additive manufacturing of special engineering plastics, in particular to a printing nozzle for pre-soaked continuous fiber twin-screw extrusion type additive manufacturing. Background technique [0002] With the rapid development of manufacturing industry and economy in today's world, high-performance special engineering plastics have been widely used in more and more fields. High-performance special engineering plastics refer to a class of engineering plastics that have high comprehensive performance and can work for a long time above 150 degrees Celsius, so they are also called heat-resistant engineering plastics. Special engineering plastics have good flame retardancy, good coating processability (melt extrusion without adding solvent), good peel resistance, good wear resistance, excellent biocompatibility and radiation resistance In addition, this kind of material has a series of advantages such as l...
Claims
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IPC IPC(8): B29C64/118B29C64/314B33Y40/10
CPCB29C64/118B29C64/314B33Y40/10
Inventor 吴文征曲涵张伟李子涵赵继
Owner JILIN UNIV