CN210820930U

CN210820930U - 3D beats printer head cooling device

Info

Publication number: CN210820930U
Application number: CN201921755619.8U
Authority: CN
Inventors: 陈亮
Original assignee: Zhejiang Weibin Three Dimensional Technology Co ltd
Current assignee: Zhejiang Weibin Three Dimensional Technology Co ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-06-23
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses a 3D beats printer head cooling device, 3D printer beat printer head include shell, heating block, nozzle, and the shell bottom is equipped with the nozzle hole, and the heating block is fixed in the shell, and the nozzle is fixed in the heating block bottom and partly stretches out the shell through the nozzle hole, including fixing the radiator fan at the shell medial surface, still include the baffle, the baffle fix in the shell in bottom surface top, heating block below, the baffle middle part is equipped with the through-hole that can hold the nozzle to pass through, the baffle forms bottom air-out passageway with radiator fan bottom surface, shell inner bottom surface, air-out passageway entry for radiator fan bottom, export for the nozzle hole; two fixing columns are arranged on the inner bottom surface of the outer shell, and the baffle is fixed on the fixing columns; the edge of the through hole in the middle of the baffle is matched with the shape of the nozzle, and the through hole center and the nozzle opening are sunken and extended to form the inverted cone-shaped wind direction diversion nozzle. The utility model discloses rational in infrastructure has independent wind channel, can guarantee the nozzle heat dissipation.

Description

3D beats printer head cooling device

Technical Field

The utility model relates to a 3D printing apparatus technical field, in particular to 3D beats printer head cooling device.

Background

When the 3D printer is used, engineering plastics are used as printing consumables, a thin layer with a contour shape is formed by wire feeding, heating melting, extrusion and solidification, and the thin layer is overlapped layer by layer to finally form a product. Common 3D printer beats printer head includes heating block, nozzle, can produce a large amount of waste heat in the use, need in time follow printer head heat of discharge, all adopt fan heat of discharge usually, but the fan is installed and is beaten printer head shell, and the wind that the fan produced is discharged and is taken away the heat from the louvre that beats printer head shell, and the nozzle is located and is beaten printer head bottom, and wind is from beating printer head shell bottom nozzle hole exhaust very little, therefore the heat on the nozzle can not in time be got rid of.

Disclosure of Invention

The utility model relates to a solve the 3D printer and beat the effective radiating problem of printer head nozzle, provide a rational in infrastructure, have independent wind channel, can guarantee that radiating 3D of nozzle beats printer head cooling device.

In order to realize the above-mentioned purpose, the utility model discloses a following technical scheme, 3D beat printer head cooling device, 3D printer head include shell, heating piece, nozzle, and the shell bottom is equipped with the nozzle hole, and the heating piece is fixed in the shell, and the nozzle is fixed in heating piece bottom and stretches out the shell through the nozzle hole part, including fixing the radiator fan at the shell medial surface, still include the baffle, the baffle fix bottom surface top, heating piece below in the shell, the baffle middle part is equipped with the through-hole that can hold the nozzle and pass through, bottom formation bottom air-out passageway in baffle and radiator fan bottom surface, the shell, air-out passageway entry be the nozzle hole for radiator fan bottom, export. The heat dissipation fan is used for dissipating heat for the whole body in the shell, the air volume of the heat dissipation fan flows out from the heat dissipation groove of the shell, the bottom in the shell of the printing head forms an annular air channel which is isolated relatively, air is discharged from the bottom of the heat dissipation fan, partial air volume is isolated forcibly, flows in the annular air channel and is sprayed out through the nozzle holes, heat can be taken away from the nozzle during spraying, and therefore the fact that the nozzle has enough air volume to dissipate heat is guaranteed, and meanwhile heat dissipation of other parts in the shell of the printing head is not affected.

Preferably, two fixing posts are arranged on the inner bottom surface of the outer shell, and the baffle is fixed on the fixing posts. The height of the fixed column is just the gap between the baffle and the inner bottom surface of the shell, namely the height of the air outlet channel, and the fixed column can be set according to the required air volume.

Preferably, the edge of the through hole in the middle of the baffle is matched with the shape of the nozzle, and the edge is sunken and extends towards the center of the through hole and the nozzle opening to form an inverted cone-shaped wind direction diversion nozzle. The nozzle is the back taper usually, all leaves the clearance between wind direction guiding spout and nozzle, the nozzle bore, and the diameter of baffle through-hole can be established to be far greater than the nozzle external diameter, and wind direction guiding spout then reduces gradually and ends in the shell nozzle bore with the diameter difference of nozzle, and the wind of air-out passageway just can form the skew wind along the wind direction guiding spout outside, can agree with the nozzle appearance better, improves the radiating effect.

Therefore, the utility model discloses following beneficial effect has: reasonable structure and independent air channels, and can ensure the heat dissipation of the nozzle.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic sectional structure of the present invention.

In the figure: 1. housing 2, heating block 3, nozzle 4, nozzle hole

5. Radiator fan 6, baffle 7, through-hole 8, air-out passageway

9. Fixed column 10, wind direction guiding nozzle.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1 and 2, a 3D printing head cooling device, a 3D printer head includes a housing 1, a heating block 2, and a nozzle 3, a nozzle hole 4 is provided at the bottom of the housing 1, the heating block 2 is fixed in the housing 1, the nozzle 3 is fixed at the bottom of the heating block 2 and partially extends out of the housing 1 through the nozzle hole 4, the device includes a heat dissipation fan 5 fixed at the inner side of the housing 1, and further includes a baffle 6, the baffle 6 is fixed above the inner bottom surface of the housing 1 and below the heating block 2, a through hole 7 capable of allowing the nozzle 3 to pass is provided at the middle part of the baffle 6, a bottom air outlet channel 8 is formed by the baffle 6, the bottom surface of the heat dissipation fan 5 and the inner bottom surface of the;

two fixing posts 9 are arranged on the inner bottom surface of the shell 1, and the baffle 6 is fixed on the fixing posts 9;

the edge of the through hole 7 in the middle of the baffle 6 is matched with the shape of the nozzle 3, and is sunken and extended towards the center of the through hole 7 and the nozzle opening of the nozzle 3 to form an inverted cone-shaped wind direction diversion nozzle 10.

The concrete use is, during this scheme 3D printer of use, utilize radiator fan 5's bottom air-out, force to keep apart partial amount of wind and flow and spout through nozzle hole 4 in annular air-out passageway 8, the wind of air-out passageway 8 just can form on oblique wind blows nozzle 3 along wind direction guiding nozzle 10 outside, has just so guaranteed that nozzle 3 has sufficient amount of wind to dispel the heat, does not influence simultaneously and beat the heat dissipation of other parts in the printer head shell 1.

Claims

1. The utility model provides a 3D beats printer head cooling device, 3D printer head include shell, heating piece, nozzle, and the shell bottom is equipped with the nozzle hole, and the heating piece is fixed in the shell, and the nozzle is fixed in the heating piece bottom and is stretched out the shell through nozzle hole part, its characterized in that, including fixing the radiator fan at the shell medial surface, still include the baffle, the baffle fix bottom surface top in the shell, heating piece below, the baffle middle part is equipped with the through-hole that can hold the nozzle and pass through, bottom surface formation bottom air-out passageway in baffle and radiator fan bottom surface, the shell, air-out passageway entry be radiator fan bottom, export for the nozzle hole.

2. The 3D printhead cooling device of claim 1, wherein the inner bottom surface of the housing has two fixed posts to which the baffle is secured.

3. The 3D printhead cooling device of claim 1, wherein the edge of the through hole in the middle of the baffle plate is recessed and extended toward the center of the through hole and the nozzle opening to form an inverted cone-shaped wind deflector nozzle in accordance with the nozzle profile.