CN216300181U

CN216300181U - 3D printer extrusion device

Info

Publication number: CN216300181U
Application number: CN202121575782.3U
Authority: CN
Inventors: 饶济麒
Original assignee: Shenzhen Chuangyi Sandi Technology Co ltd
Current assignee: Shenzhen Chuangyi Sandi Technology Co ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2022-04-15
Anticipated expiration: 2031-07-12

Abstract

The utility model discloses a 3D printer extrusion device, including extrusion mechanism, heat dissipation mechanism, choke, nozzle and consumptive material guiding mechanism, the front side at extrusion mechanism is fixed to heat dissipation mechanism, extrusion mechanism and heat dissipation mechanism formula as an organic whole, extrusion mechanism rear portion below is equipped with the choke, the nozzle is connected to the choke lower extreme, the extrusion mechanism left side is equipped with consumptive material guiding mechanism, consumptive material guiding mechanism lower part is equipped with heating mechanism. The extrusion structure and the heat dissipation block are of an integrated structure, so that the distance between extrusion and a nozzle is shortened, the 3D printer can print various materials, and especially the printing of flexible materials is improved. The throat pipe has good heat insulation performance, the heat dissipation of the heat dissipation block is stable, and the automatic leveling structure is adopted, so that the problem of difficult leveling is solved.

Description

3D printer extrusion device

Technical Field

The utility model relates to the field of 3D printers, in particular to an extrusion device of a 3D printer.

Background

3D printing (3 DP), a technique for constructing objects by layer-by-layer printing using bondable materials such as powdered metals or plastics based on digital model files, is one of the rapid prototyping techniques, also known as additive manufacturing.

3D printing is typically achieved using digital technology material printers. The method is often used for manufacturing models in the fields of mold manufacturing, industrial design and the like, and is gradually used for directly manufacturing some products, and parts printed by the technology are already available. The technology has applications in jewelry, footwear, industrial design, construction, engineering and construction (AEC), automotive, aerospace, dental and medical industries, education, geographic information systems, civil engineering, firearms, and other fields.

At present, 3D printing equipment develops rapidly, enters the visual field of people gradually, and is applied to various industries, the existing 3D printer extrusion device is low in transmission efficiency, is far away from a nozzle, and is not easy to print TPU (flexible material).

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides an extrusion device of a 3D printer.

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

the utility model provides a 3D printer extrusion device, includes extrusion mechanism, heat dissipation mechanism, choke, nozzle and consumptive material guiding mechanism, heat dissipation mechanism fixes in extrusion mechanism's front side, extrusion mechanism and heat dissipation mechanism formula as an organic whole, the rear portion below of extrusion mechanism is equipped with the choke, the nozzle is connected to the choke lower extreme, the extrusion mechanism left side is equipped with consumptive material guiding mechanism, consumptive material guiding mechanism lower part is equipped with heating mechanism.

Furthermore, extrusion mechanism includes the fixed plate of extrusion mechanism, extrudes radiator fan, extrudes the clamp, extrudes the seat and extrude the motor, extrude radiator fan and fix in extrusion mechanism fixed plate front side, extrude the seat and fix in extrusion mechanism fixed plate right front side, extrude and press from both sides and extrude the motor and all be fixed in on extruding the fixing base, heat dissipation mechanism installs in the lower part of extruding the seat front side. Furthermore, the heat dissipation mechanism comprises a model heat dissipation fan and a model fan air guide, the model heat dissipation fan is arranged on the front side of the extrusion mechanism, and the model fan air guide is arranged below the model heat dissipation fan.

Furthermore, a radiating block is arranged on the outer side of the throat pipe.

Furthermore, a leveling detection device is arranged on the left front side of the extrusion mechanism.

Furthermore, the leveling detection device is installed on a leveling installation seat, and the leveling installation seat is fixed on an extrusion mechanism fixing plate of the extrusion mechanism.

Furthermore, the consumable guiding mechanism comprises a consumable guiding driven wheel and a consumable guiding driving wheel.

Further, heating mechanism includes heating block, heating pipe and thermodetector, the consumptive material guiding mechanism lower part is located to the heating block, be equipped with heating pipe and thermodetector in the heating block.

By adopting the technical scheme of the utility model, the utility model has the beneficial effects that: the extrusion structure and the heat dissipation block are of an integrated structure, so that the distance between extrusion and a nozzle is shortened, the 3D printer can print various materials, and especially the printing of flexible materials is improved. The throat pipe has good heat insulation performance, the heat dissipation of the heat dissipation block is stable, and the automatic leveling structure is adopted, so that the problem of difficult leveling is solved.

Drawings

FIG. 1 is a front view structural diagram of an extrusion device of a 3D printer provided by the utility model;

FIG. 2 is a rear view structural diagram of an extrusion device of a 3D printer provided by the utility model;

FIG. 3 is a left side view structural diagram of an extrusion device of a 3D printer provided by the utility model;

FIG. 4 is a right view structural diagram of an extrusion device of a 3D printer provided by the utility model;

FIG. 5 is a top view structural diagram of an extrusion device of a 3D printer provided by the utility model;

fig. 6 is a bottom view structural diagram of an extrusion device of a 3D printer provided by the utility model.

The device comprises a leveling detection device 1, a leveling mounting seat 2, an extrusion mechanism fixing plate 3, an extrusion cooling fan 4, an extrusion clamp 5, an extrusion seat 6, an extrusion motor 7, an extrusion motor 8, a model cooling fan 9, model fan air guide 10, a throat pipe 11, a cooling block 12, a nozzle 13, a consumable guide driven wheel 14, a consumable guide driving wheel 15, a heating block 16, a heating pipe 17 and a temperature detector.

Detailed Description

Specific embodiments of the present invention will be further described with reference to the accompanying drawings.

As shown in the figure, the 3D printer extrusion device comprises an extrusion mechanism, a heat dissipation mechanism, a throat pipe 10, a nozzle 12 and a consumable guiding mechanism, wherein the heat dissipation mechanism is fixed on the front side of the extrusion mechanism, the extrusion mechanism and the heat dissipation mechanism are integrated, the throat pipe 10 is arranged below the rear portion of the extrusion mechanism, the nozzle 12 is connected to the lower end of the throat pipe 10, the consumable guiding mechanism is arranged on the left side of the extrusion mechanism, and a heating mechanism is arranged on the lower portion of the consumable guiding mechanism. The extrusion mechanism is integrated with a heat dissipation mechanism, so that the distance between the extrusion and the discharge of the nozzle 12 is greatly shortened. The nozzle 12 adopts a multi-step design, 3D printing discharging is optimized, and printing quality is improved.

Extruding means includes extruding means fixed plate 3, extrudes radiator fan 4, extrudes and presss from both sides 5, extrude seat 6 and extrude motor 7, extrude radiator fan 4 and fix in extruding means fixed plate 3 front side, extrude seat 6 and fix in extruding means fixed plate 3 right front side, extrude and press from both sides 5 and extrude motor 7 and all be fixed in on extruding the fixing base, heat dissipation mechanism installs in the lower part of extruding 6 front sides. The heat dissipation mechanism comprises a model heat dissipation fan 8 and a model fan air guide 9, the model heat dissipation fan 8 is installed on the front side of the extrusion mechanism, and the model fan air guide 9 is arranged below the model heat dissipation fan 8.

The outside of the throat pipe 10 is provided with a heat dissipation block 11, and a copper material is adopted to reinforce the package and ensure that the heat transferred from the heating block 15 through the throat pipe 10 is dissipated. The throat pipe 10 adopts thin-wall small-diameter heating block 15 heat to transfer heat to the radiating block 11, and the heat stability of the heating block 15 is proved.

And a leveling detection device 1 is arranged on the left front side of the extrusion mechanism. And an automatic leveling device is added, so that the leveling problem of the 3D printer is improved.

The leveling detection device 1 is installed on a leveling installation seat 2, and the leveling installation seat 2 is fixed on an extrusion mechanism fixing plate 3 of an extrusion mechanism.

The consumable guiding mechanism comprises a consumable guiding driven wheel 13 and a consumable guiding driving wheel 14.

Heating mechanism includes heating block 15, heating pipe 16 and thermodetector 17, consumable guiding mechanism lower part is located to heating block 15, be equipped with heating pipe 16 and thermodetector 17 in the heating block 15. The connecting rod of the heating block 15 adopts a copper material package to prove that the high-temperature of the heating block 15 is stable.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. The utility model provides a 3D printer extrusion device, its characterized in that includes extrusion mechanism, heat dissipation mechanism, choke, nozzle and consumptive material guiding mechanism, heat dissipation mechanism fixes in extrusion mechanism's front side, extrusion mechanism and heat dissipation mechanism formula as an organic whole, extrusion mechanism rear portion below is equipped with the choke, the nozzle is connected to the choke lower extreme, the extrusion mechanism left side is equipped with consumptive material guiding mechanism, consumptive material guiding mechanism lower part is equipped with heating mechanism.

2. The 3D printer extrusion device according to claim 1, wherein the extrusion mechanism comprises an extrusion mechanism fixing plate, an extrusion heat dissipation fan, an extrusion clamp, an extrusion seat and an extrusion motor, the extrusion heat dissipation fan is fixed on the front side of the extrusion mechanism fixing plate, the extrusion seat is fixed on the right front side of the extrusion mechanism fixing plate, the extrusion clamp and the extrusion motor are fixed on an extrusion fixing seat, and the heat dissipation mechanism is installed on the lower portion of the front side of the extrusion seat.

3. The 3D printer extrusion apparatus of claim 1, wherein the heat dissipation mechanism comprises a model heat dissipation fan and a model fan wind guide, the model heat dissipation fan is installed on the front side of the extrusion mechanism, and the model fan wind guide is arranged below the model heat dissipation fan.

4. The 3D printer extrusion apparatus of claim 1, wherein a heat sink is disposed outside the throat.

5. The extrusion device of the 3D printer according to claim 1, wherein the left front side of the extrusion mechanism is provided with a leveling detection device.

6. The extrusion device of the 3D printer according to claim 5, wherein the leveling detection device is mounted on a leveling mounting seat, and the leveling mounting seat is fixed on an extrusion mechanism fixing plate of the extrusion mechanism.

7. The 3D printer extrusion apparatus of claim 1, wherein the consumable guide mechanism comprises a consumable guide driven wheel and a consumable guide driving wheel.

8. The 3D printer extrusion apparatus of claim 1, wherein the heating mechanism comprises a heating block, a heating pipe and a temperature detector, the heating block is disposed at a lower portion of the consumable guiding mechanism, and the heating pipe and the temperature detector are disposed in the heating block.