CN211467487U

CN211467487U - 3D print head

Info

Publication number: CN211467487U
Application number: CN201921884575.9U
Authority: CN
Inventors: 邓鹏�
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-09-11
Anticipated expiration: 2029-11-05

Abstract

The utility model relates to a 3D printing apparatus technical field especially relates to a 3D printer head, the connector comprises a connector, be equipped with the pan feeding mouth of pipe on the connector, the bottom of connector is equipped with the conveying pipeline, be equipped with a plurality of fin on the conveying pipeline, the winding has the cooling tube on the circumference outer wall of conveying pipeline, the below of conveying pipeline is equipped with anti-clogging device, anti-clogging device's below is equipped with the shower nozzle, the inside both sides wall interior symmetry of anti-clogging device is equipped with two miniature DC motor, miniature DC motor's output is equipped with the second gear, the upper and lower bilateral symmetry of second gear is equipped with two first gears, and the device reasonable in design not only has outstanding heat-sinking capability, can also prevent that the shower nozzle from blockking up, is fit for promoting.

Description

3D print head

Technical Field

The utility model relates to a 3D printing apparatus technical field especially relates to a 3D print head.

Background

The 3D printing technology is a kind of rapid forming manufacturing technology which is rapidly developed in recent years, it is based on computer technology, through software layering dispersion and numerical control forming system, utilize high energy laser beam, hot melt nozzle, etc. mode to carry on the laminated manufacturing approach that the adhesion takes shape of materials such as metal, ceramic powder, plastics and cell tissue, etc., at present, use in 3D printing technical field most extensively and is called the melting and piling up the shaping, namely FDM mode, it mainly send thermoplastic macromolecule wire material to the high temperature and beat printer head, melt wire material and extrude the molten macromolecule continuously, and through the laminated mode of building up part shape on the printer base under accurate positioning, but the existing printer shower nozzle has the easy jam, and dispel the heat the disadvantage apt to damage shower nozzle badly, propose a 3D printer shower nozzle for this reason.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that has easy jam and heat dissipation difference among the prior art, and the 3D print head who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

designing a 3D printer nozzle, comprising a connector, wherein a feeding pipe opening is arranged on the connector, a conveying pipe is arranged at the bottom of the connector, a plurality of radiating fins are arranged on the conveying pipe, radiating pipes are wound on the outer wall of the circumference of the conveying pipe, an anti-blocking device is arranged below the conveying pipe, a nozzle is arranged below the anti-blocking device, two micro direct current motors are symmetrically arranged in two side walls of the inner part of the anti-blocking device, a second gear is arranged at the output end of each micro direct current motor, two first gears are symmetrically arranged on the upper side and the lower side of each second gear, a fixed shaft is arranged at the center of each first gear, a plurality of first stirring blades are arranged on the fixed shafts, a second bearing is arranged between each first gear and the micro direct current motors, a connecting shaft is arranged at the top of each second gear, and a plurality of second stirring blades are arranged on, one end of the connecting shaft is provided with a first bearing, and the second gear is meshed with the first gear.

Preferably, the first gear is fixedly connected with the fixed shaft through four connecting rods at the bottom of the fixed shaft, and the first stirring blades are circumferentially and symmetrically arranged on the fixed shaft at equal intervals.

Preferably, the radiating pipe is connected with an external circulating water pump, and the radiating fins are arranged on the circumferential outer wall of the material conveying pipe at equal intervals.

The utility model provides a pair of 3D print head, beneficial effect lies in: during the use with the raw materials from the pan feeding mouth of pipe send to the connector in, after that, it loops through conveying pipeline and anti-clogging device to transport downwards through the connector, finally from the shower nozzle blowout, when through the conveying pipeline, through fin and cooling tube, drop the temperature rapidly, prevent the high temperature damage shower nozzle, when the raw materials passes through anti-clogging device, because the deposit principle, probably arouse the jam, lead to damaging the shower nozzle, start miniature DC motor this moment, it is rotatory to drive first gear and second gear, and first gear can drive fixed epaxial first stirring vane rotation, the second gear can drive second stirring vane is along with the rotatory stirring raw materials of connecting axle, prevent that the deposit from blockking up the shower nozzle, the device reasonable in design, not only have outstanding heat-sinking capability, can also prevent that the shower nozzle from blockking up, and is suitable for popularization.

Drawings

Fig. 1 is a schematic perspective view of a 3D printer head according to the present invention;

fig. 2 is a schematic cross-sectional structure view of a 3D printer head according to the present invention;

fig. 3 is the utility model provides a local section structure sketch map of 3D print head.

In the figure: the device comprises a connector 1, a feeding pipe orifice 2, a radiating fin 3, a conveying pipe 4, a radiating pipe 5, an anti-blocking device 6, a nozzle 7, a first stirring blade 8, a micro direct current motor 9, a second stirring blade 10, a first gear 11, a connecting shaft 12, a first bearing 13, a second gear 14, a second bearing 15 and a fixing shaft 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a 3D printer nozzle includes a connector 1, a feeding pipe orifice 2 is provided on the connector 1, a feeding pipe 4 is provided at the bottom of the connector 1, a plurality of cooling fins 3 are provided on the feeding pipe 4, a cooling pipe 5 is wound on the circumferential outer wall of the feeding pipe 4, an anti-clogging device 6 is provided below the feeding pipe 4, a nozzle 7 is provided below the anti-clogging device 6, two micro dc motors 9 are symmetrically provided in two side walls of the interior of the anti-clogging device 6, a second gear 14 is provided at the output end of the micro dc motor 9, two first gears 11 are symmetrically provided on the upper and lower sides of the second gear 14, a fixed shaft 16 is provided at the center of each first gear 11, a plurality of first stirring blades 8 are provided on the fixed shaft 16, a second bearing 15 is provided between the first gears 11 and the micro dc motors 9, a connecting shaft 12 is, a plurality of second stirring blades 10 are arranged on the connecting shaft 12, a first bearing 13 is arranged at one end of the connecting shaft 12, and a second gear 14 is meshed with the first gear 11.

First gear 11 and fixed axle 16 pass through four connecting rods fixed connection at the bottom of fixed axle 16, first stirring vane 8 equidistance circumference symmetry sets up on fixed axle 16, when the raw materials passes through anti-blocking device 6, because the deposit principle, probably arouses the jam, leads to damaging the shower nozzle, start miniature DC motor 9 this moment, will drive first gear 11 and second gear 14 rotatory, and first gear 11 will drive the first stirring vane 8 rotation on the fixed axle 16, and second gear 14 will drive second stirring vane 10 along with the rotatory stirring raw materials of connecting axle 12, prevents that the shower nozzle is blockked up in the deposit.

The cooling tube 5 is connected with outside circulating water pump, fin 3 equidistance sets up on the circumference outer wall of conveying pipeline 4, in sending the raw materials to connector 1 from pan feeding mouth of pipe 2 during the use, after that, it loops through conveying pipeline 4 and anti-clogging device 6 to transport downwards through connector 1, finally from shower nozzle 7 blowout, when through conveying pipeline 4, through fin 3 and cooling tube 5, drop the temperature rapidly, prevent the high damage shower nozzle of high temperature.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a 3D printer nozzle, includes connector (1), its characterized in that, be equipped with pan feeding mouth of pipe (2) on connector (1), the bottom of connector (1) is equipped with conveying pipeline (4), be equipped with a plurality of fin (3) on conveying pipeline (4), the winding has cooling tube (5) on the circumference outer wall of conveying pipeline (4), the below of conveying pipeline (4) is equipped with anti-clogging device (6), the below of anti-clogging device (6) is equipped with shower nozzle (7), the inside both sides wall internal symmetry of anti-clogging device (6) is equipped with two miniature DC motor (9), the output of miniature DC motor (9) is equipped with second gear (14), the upper and lower bilateral symmetry of second gear (14) is equipped with two first gear (11), every the center department of first gear (11) all is equipped with fixed axle (16), be equipped with a plurality of first stirring vane (8) on fixed axle (16), first gear (11) with be equipped with second bearing (15) between miniature DC motor (9), the top of second gear (14) is equipped with connecting axle (12), be equipped with a plurality of second stirring vane (10) on connecting axle (12), the one end of connecting axle (12) is equipped with first bearing (13), second gear (14) with first gear (11) mesh mutually.

2. 3D printer head according to claim 1, characterized in that said first gear (11) is fixedly connected to said fixed shaft (16) by means of four connecting rods at the bottom of the fixed shaft (16), said first stirring blades (8) being circumferentially symmetrical and equidistantly arranged on said fixed shaft (16).

3. The 3D printer head according to claim 1, characterized in that said heat dissipation pipe (5) is connected to an external circulating water pump, and said heat dissipation fins (3) are disposed on the circumferential outer wall of said feed delivery pipe (4) at equal intervals.