Wire extruding device for 3D printing machine

Abstract

The invention discloses a wire extruding device for a 3D printing machine. The wire extruding device comprises a shell (1), a guiding mechanism, a cleaning mechanism, a heating mechanism and a discharging mechanism; a cavity is formed in the shell (1); the guiding mechanism, the cleaning mechanism, the heating mechanism and the discharging mechanism are arranged in sequence; a wire channel (40) isformed from the guiding mechanism to at least a part of the heating mechanism; a box door (2) is arranged on the shell; a through hole penetrating to the cavity is formed in the upper surface of theshell; the guiding mechanism comprises a group of pulley units; a gap is formed between each group of pulley units; the cleaning mechanism comprises a roller (15); a plurality of brushes (17) are arranged on the inside wall of the roller; the heating mechanism comprises a passing cylinder (26) and a melting cylinder (28); a preheating unit and a heating unit are sequentially arranged on the outersurface of the melting cylinder in the vertical direction; and the discharging mechanism communicates with the melting cylinder. The wire extruding device achieves the effects that the straightness ofa wire in the extruding process is effectively improved, no impurities exist basically, the melting effect is good, the product quality is effectively improved, and the product cost is reduced.

Description

technical field [0001] The invention relates to the field of 3D printing devices, in particular to a wire extruding device for a 3D printer. Background technique [0002] 3D printing, also known as additive manufacturing, is a new manufacturing method that began in the 1980s. After more than 30 years of development, the technology has become relatively mature and has been widely used in aerospace, military, medical and other fields. It is applied in the field of cultural creativity closely related to our life. 3D printing technology will profoundly change the industrial model of traditional industries and realize the transition from traditional manufacturing to intelligent manufacturing. As one of the representative technologies of the third industrial revolution, 3D printing technology has also attracted more and more attention from the investment community. The existing 3D printer wire extruder device has complex structure and difficult operation. Since the surface stain...

AI Technical Summary

Problems solved by technology

[0003] In view of the above-mentioned prior art, the purpose of the present invention is to overcome the problem that the wire extruder directly melts the wire during 3D printing in the prior art, and the existence of impurities etc. has a direct impact on product quality, and the wire is often easily bent, thus causing Stuck phenomenon, resulting in poor product quality or even unusable, directly scrapped. At the same time, general melting often causes problems such as uneven melting, so as to provide a method that can effectively improve the straightness of the wire during the extrusion process and is basically free of impurities. 3D printer wire extrusion device with good melting effect, effectively improving product quality and reducing production cost

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