Electromagnetic induction heating nozzle device of metal fuse deposition printer
A technology of electromagnetic induction heating and metal fuse, applied in the direction of additive processing, etc., can solve the problems of easy clogging of nozzles, uneven heating, long heating time, etc., and achieve the effect of avoiding clogging, uniform heating, and fast heating speed.
Inactive Publication Date: 2021-03-09
QINGDAO UNIV OF SCI & TECH
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Problems solved by technology
[0005] In order to solve the problems of uneven heating of the metal material at the nozzle of the existing metal fuse deposition printer, long heating time and easy blockage of the nozzle, the present invention designs an electromagnetic induction heating nozzle device of the metal fuse deposition printer
The electromagnetic induction heating device of the nozzle can greatly solve the problems of low efficiency, long heating time and uneven heating of the original printer resistance heating method. The crucible nozzle can prevent the molten metal material from being rapidly cooled and solidified at the nozzle, which reduces the chance of metal material solidification, improves printing efficiency, and greatly reduces printer failure problems and quality problems of printed items
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[0022] The inventive device such as figure 1 As shown, it includes an adaptive wire feeding device 1 , a heating block 2 of an electromagnetic induction heating device, and a high-temperature ceramic crucible nozzle 3 . The inside of the heating block of the electromagnetic induction heating device includes an upper cold water pipe 4 , a rectangular heating coil 5 , a lower cold water pipe 6 , an insulating rod 7 and a wire interface 8 . The adaptive wire feeding device includes a driving wheel 9 , a driven wheel 11 , a spring 12 and a handle 13 .
[0023] The working principle of the electromagnetic induction heating device is that the rectangular heating coil 7 generates an induced magnetic field under the action of the current, and the induced magnetic field generates an induced current. The rectangular heating coil 7 generates a large amount of heat in the induced current, which makes the heating block heat rapidly and melts the metal material. , the upper cold water pipe...
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The invention discloses an electromagnetic induction heating nozzle device of a metal fuse deposition printer. The electromagnetic induction heating nozzle device comprises a wire feeding device, a heating device and a nozzle, wherein the wire feeding device is a self-adaptive wire feeding device, a heating mode of the heating device is electromagnetic induction heating, the nozzle is a high-temperature ceramic crucible nozzle, metal materials enter the area of an electromagnetic induction heating device under the action of the self-adaptive wire feeding device and are converted into a moltenstate at high temperature, then molten metal is reserved through fine holes of the high-temperature ceramic crucible nozzle, and layer-by-layer printing is achieved. According to the electromagnetic induction heating nozzle device, the problems that the metal fuse deposition printer is difficult to feed and withdraw, low in resistance heat heating efficiency, low in heating speed, uneven in heating, prone to blockage of the nozzle, poor in quality of printed objects and the like can be solved.
Description
technical field [0001] The invention relates to the technical field of rapid prototyping, and specifically designs an electromagnetic induction heating nozzle device for a metal fuse deposition printer based on additive manufacturing technology. Background technique [0002] The metal fused filament deposition printer is a tool for rapid prototyping technology. It relies on model files and uses metal materials to form objects by layer-by-layer printing. In the past, it was widely used in the fields of mold manufacturing and industrial processing, and now it has gradually expanded to various fields of life. [0003] The metal fused filament deposition printer is a kind of common 3D printer, and the materials used are generally hot-melt metal materials, which are fed in filament form. It heats and melts the metal material, and then sprays the molten metal through a fine nozzle. After the hot-melt metal material is sprayed, it is deposited on the panel of the printer, and the ...
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IPC IPC(8): B22F12/53B22F12/13B33Y30/00
CPCB22F3/115B33Y30/00
Inventor 潘家敬董运龙郭怀志
Owner QINGDAO UNIV OF SCI & TECH