Printing head and 3D printer

Abstract

The utility model provides a printing head and a 3D printer. The technical problem to be solved by the utility model is solved by the following technical means: on one hand, the utility model provides a printing head which comprises a printing head module, an outer sleeve shell arranged outside the printing head module and a plurality of heat dissipation modules arranged on the outer sleeve shell, the rear part and the lower part of the outer sleeve shell are both provided with openings, and the heat dissipation modules are arranged on the outer sleeve shell; the printing head module is arranged in the middle of the interior of the outer sleeve shell and comprises a nozzle, the nozzle penetrates out of the outer side of the lower portion of the outer sleeve shell, and the heat dissipation modules are arranged on the left side and the right side of the outer sleeve shell. The outer sleeve shell can wrap the printing head module inside to form protection and avoid contamination, and in addition, the outer sleeve shell shields the printing head module and is shown outside, so that the whole printing head looks more attractive and neat. In addition, the heat dissipation modules are symmetrically designed on the two sides, and the aesthetic feeling can be improved. The utility model relates to the technical field of 3D printing.

Description

Technical Field

[0001] The utility model relates to the technical field of 3D printing, and in particular to a print head and a 3D printer. Background Art

[0002] The print head of an FDM 3D printer is an important component used by 3D printers to spit out printing consumables. Its main structure is the same as the application number CN2023214953515, the patent name is print head and the print head technical solution disclosed by the 3D printer. It mainly includes components such as a nozzle, a heating unit, a heat dissipation unit and a throat. Conventional print heads are exposed to the outside and are easily contaminated. In addition, the print head is composed of multiple components with irregular shapes, and does not look beautiful when exposed to the outside. Utility Model Content

[0003] In order to solve the deficiencies of the prior art, the utility model provides a print head and a 3D printer.

[0004] The technical problem to be solved by the utility model is achieved through the following technical means: one aspect of the utility model is to propose a print head, including a print head module, an outer shell arranged outside the print head module and a plurality of heat dissipation modules arranged on the outer shell, the rear and lower parts of the outer shell are both open, the print head module is arranged in the middle of the outer shell, the print head module includes a nozzle, the nozzle passes through the outer side of the lower part of the outer shell, and the plurality of heat dissipation modules are arranged on the left and right sides of the outer shell.

[0005] In the above solution, the outer shell can wrap the print head module inside to form a protection to prevent contamination. In addition, the outer shell covers the print head module and the outer shell is exposed outside, making the print head look more beautiful and neat. In addition, the heat dissipation module is symmetrically designed on both sides to improve the aesthetics.

[0006] In one embodiment, the heat dissipation module includes an exhaust nozzle and an exhaust fan located on both sides of the nozzle and matched with the nozzle, and the exhaust fan is arranged on the inner side wall of the outer shell.

[0007] In the above scheme, the nozzle is used to spray out hot-melt 3D printing consumables. If the hot-melt consumables cannot be cooled and dissipated in time, the consumables will not be completely solidified, which will ultimately affect the model printing effect. Therefore, the utility model designs the exhaust nozzle to face the nozzle and uses the exhaust fan to blow air into the exhaust nozzle.

[0008] In one embodiment, the print head module includes an extrusion unit, a heat dissipation unit and a heating unit from top to bottom, the nozzle is arranged on the heating unit, the upper part of the extrusion unit and the inner upper wall of the outer shell are connected by screws, and the outer shell is provided with heat dissipation holes corresponding to the heat dissipation unit.

[0009] In one embodiment, the heat dissipation module includes heat dissipation fans located on both sides of the print head module.

[0010] In the above solution, the cooling fan is used to assist in heat dissipation.

[0011] In one embodiment, the outer shell is provided with a protective cover outside the heat dissipation fan.

[0012] In one embodiment, the heat dissipation fans are located on both sides of the extrusion unit.

[0013] In one embodiment, an auxiliary suspension support is provided on the upper portion of the outer shell, and a mounting hole is provided on the auxiliary suspension support.

[0014] In the above scheme, the auxiliary suspension support is used to assist in installing the entire print head on the 3D printer, and can be installed mainly by configuring screws on the mounting holes and using screws.

[0015] In one embodiment, the auxiliary suspension support includes a suspension plate, the suspension plate extends out of the rear outer side of the outer shell, and the mounting hole is arranged on the suspension plate.

[0016] Another aspect of the present invention is to provide a 3D printer, which comprises the print head. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of the structure of a print head in an embodiment;

[0018] Figure 2 The figure is a schematic diagram of the structure of a print head in an embodiment from another angle. DETAILED DESCRIPTION

[0019] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0020] like Figure 1 to Figure 2As shown, the technical solution adopted by the utility model is that the technical problem to be solved by the utility model is achieved through the following technical means: One aspect of the utility model is to propose a print head, including a print head module 1, an outer shell 2 arranged outside the print head module 1 and a plurality of heat dissipation modules 3 arranged on the outer shell 2, the rear and lower parts of the outer shell 2 are both open, the print head module 1 is arranged in the middle of the outer shell 2, the print head module 1 includes a nozzle 4, the nozzle 4 passes through the outer side of the lower part of the outer shell 2, and the plurality of heat dissipation modules 3 are arranged on the left and right sides of the outer shell 2.

[0021] In the above solution, the outer shell 2 can wrap the print head module 1 inside to form a protection to prevent contamination. In addition, the outer shell 2 covers the print head module 1, and the outer shell 2 is exposed outside, making the print head look more beautiful and neat. In addition, the heat dissipation module 3 is symmetrically designed on both sides, which can also improve the aesthetics.

[0022] In one embodiment, the heat dissipation module 3 includes an exhaust nozzle 5 and an exhaust fan 6 located on both sides of the nozzle 4 and matched with the nozzle 4 , and the exhaust fan 6 is arranged on the inner wall of the outer shell 2 .

[0023] In the above scheme, the nozzle 4 is used to spray out hot-melt 3D printing consumables. If the hot-melt consumables cannot be cooled and dissipated in time, the consumables will not be completely solidified, which will eventually affect the model printing effect. Therefore, the utility model designs the exhaust nozzle 5 to face the nozzle 4, and uses the exhaust fan 6 to blow air to the exhaust nozzle 5.

[0024] In one embodiment, the print head module 1 includes an extrusion unit 7, a heat dissipation unit 8 and a heating unit 9 from top to bottom, the nozzle 4 is arranged on the heating unit 9, the upper part of the extrusion unit 7 and the inner upper wall of the outer shell 2 are connected by screws, and the outer shell 2 is provided with a heat dissipation hole 10 corresponding to the heat dissipation unit 8.

[0025] In one embodiment, the heat dissipation module 3 includes heat dissipation fans 11 located on both sides of the print head module 1 .

[0026] In the above solution, the heat dissipation fan 11 is used to assist in heat dissipation.

[0027] In one embodiment, the outer shell 2 is provided with a protective cover 12 outside the heat dissipation fan 11 .

[0028] In one embodiment, the heat dissipation fans 11 are located on both sides of the extrusion unit 7 .

[0029] In one embodiment, an auxiliary suspension support 13 is disposed on the upper portion of the outer shell 2 , and a mounting hole 14 is disposed on the auxiliary suspension support 13 .

[0030] In the above solution, the auxiliary suspension support 13 is used to assist in installing the entire print head on the 3D printer, mainly by configuring screws on the mounting holes 14 and installing them using screws.

[0031] In one embodiment, the auxiliary suspension support 13 includes a suspension plate 15 , the suspension plate 15 extends out from the rear outer side of the outer shell 2 , and the mounting hole 14 is arranged on the suspension plate 15 .

[0032] Another aspect of the present invention is to provide a 3D printer, which comprises the print head.

Claims

1. A print head, characterized in that: The invention comprises a print head module (1), an outer shell (2) arranged outside the print head module (1), and a plurality of heat dissipation modules (3) arranged on the outer shell (2), wherein the rear and lower parts of the outer shell (2) are both open, the print head module (1) is arranged in the middle of the inner part of the outer shell (2), the print head module (1) comprises a nozzle (4), the nozzle (4) passes through the outer side of the lower part of the outer shell (2), and the plurality of heat dissipation modules (3) are arranged on the left and right sides of the outer shell (2).

2. The print head according to claim 1, characterized in that: The heat dissipation module (3) comprises an exhaust nozzle (5) and an exhaust fan (6) located on both sides of the nozzle (4) and matched with the nozzle (4); the exhaust fan (6) is arranged on the inner side wall of the outer shell (2).

3. The print head according to claim 1, characterized in that: The print head module (1) comprises, from top to bottom, an extrusion unit (7), a heat dissipation unit (8) and a heating unit (9); the nozzle (4) is arranged on the heating unit (9); the upper part of the extrusion unit (7) and the inner upper wall of the outer shell (2) are connected by screws; and the outer shell (2) is provided with heat dissipation holes (10) corresponding to the heat dissipation unit (8).

4. The print head according to claim 3, characterized in that: The heat dissipation module (3) comprises heat dissipation fans (11) located on both sides of the print head module (1).

5. The print head according to claim 4, characterized in that: The outer shell (2) is provided with a protective cover (12) outside the heat dissipation fan (11).

6. The print head according to claim 4, characterized in that: The cooling fans (11) are located on both sides of the extrusion unit (7).

7. The print head according to claim 1, characterized in that: An auxiliary suspension support (13) is provided on the upper portion of the outer shell (2), and a mounting hole (14) is provided on the auxiliary suspension support (13).

8. The print head according to claim 7, characterized in that: The auxiliary suspension support (13) comprises a suspension plate (15), the suspension plate (15) extending outward from the rear of the outer shell (2), and the mounting hole (14) is arranged on the suspension plate (15).

9. A 3D printer, characterized in that: Comprising the print head as claimed in any one of claims 1 to 8.

Images