Flue gas preheated 3D printer jet nozzle
A 3D printer and nozzle technology, applied in the field of 3D printing, can solve problems such as nozzle thermal deformation, manufacturing precision drop, channel blockage, etc., and achieve the effects of avoiding cooling, quick installation and disassembly, and flexible structure
Inactive Publication Date: 2015-10-21
CHENGDU I MAKE SCI & TECH
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Problems solved by technology
The 3D printers commonly used in the market today heat and melt the filamentous hot-melt material, and extrude it through a nozzle with a fine channel. Therefore, it is necessary to keep the heat from being lost when passing through the channel. The condensation of the hot-melt material will cause the channel The clogging of the nozzle, and the long-term high temperature state, the precision nozzle is prone to thermal deformation, resulting in a decrease in manufacturing accuracy
Method used
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Embodiment Construction
[0012] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0013] Such as figure 1 As shown, a flue gas preheating 3D printer nozzle is characterized in that: it includes a material delivery pipeline 1, a fixed plate 2 sleeved on the material delivery pipeline 1, and a chassis 9 connected to the fixed plate 2; the chassis There is a stepped hole in the middle of 9, the small hole is a connecting through hole, the large hole is a mounting hole, and a clamping device is arranged in the mounting hole; the chassis 9 is provided with a circuitous smoke channel 4, and the smoke channel 4 is provided with a plurality of heat exchange plates 8; the fixed plate 2 is provided with a flue gas inlet chamber 11 and a flue gas outlet chamber 3, and an air inlet 10 connected to the outside is opened on the wall of the flue gas inlet chamber 11, and the The flue gas chamber 11 is connected with the inlet of the flue ...
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The invention discloses a flue gas preheated 3D printer jet nozzle. The flue gas preheated 3D printer jet nozzle comprises a delivery pipeline, a fixed tray which sleeves the delivery pipeline and a chassis which is connected to the fixed tray, wherein the middle of the chassis is provided with stepped holes consisting of a smaller upper hole and a larger lower hole, the smaller hole is a connecting through hole, the larger hole is an installation hole, and a clamping device is arranged in the installation hole; a circuitous flue gas passage is provided in the chassis and a plurality of heat exchange plates are provided in the flue gas passage; a flue gas inlet chamber and a flue gas outlet chamber are provided in the fixed tray, the wall of the flue gas inlet chamber is provided with a gas inlet passage communicated with the outside, the inside of the flue gas inlet chamber is communicated with the inlet of the flue gas passage, the flue gas outlet chamber is communicated with the outlet of the flue gas passage, a draft fan is provided in the flue gas outlet chamber and the jet nozzle is preheated through flue gas. By adopting the flue gas preheated 3D printer jet nozzle, the working efficiency can be effectively improved.
Description
technical field [0001] The invention relates to the technical field of 3D printing, in particular to a flue gas preheating nozzle of a 3D printer. Background technique [0002] 3D printing is to discretize the 3D digital model layer by layer through software, and then use powdered metal or plastic and other bondable materials to build entities by layer-by-layer accumulation. Compared with traditional manufacturing technology, 3D printing technology can better save production raw materials. The 3D printers commonly used in the market today heat and melt the filamentous hot-melt material, and extrude it through a nozzle with a fine channel. Therefore, it is necessary to keep the heat from being lost when passing through the channel. The condensation of the hot-melt material will cause the channel In the long-term high-temperature state, the precise nozzle is prone to thermal deformation, resulting in a decrease in manufacturing accuracy. Contents of the invention [0003] ...
Claims
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Login to View More IPC IPC(8): B29C67/00B33Y30/00
CPCB29C64/118
Inventor 廖显洪雷赟肖葛洋
Owner CHENGDU I MAKE SCI & TECH