CN211542405U

CN211542405U - Nozzle suitable for 3D printer

Info

Publication number: CN211542405U
Application number: CN201922264019.8U
Authority: CN
Inventors: 谢春明
Original assignee: Suzhou Hongdao Education Technology Co ltd
Current assignee: Suzhou Hongdao Education Technology Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-09-22
Anticipated expiration: 2029-12-17

Abstract

The utility model relates to a nozzle suitable for 3D printer, from last threaded connection pipe that down includes in proper order, centre gripping pipe and conical nozzle pipe, threaded connection pipe's the outside is provided with spiral helicine external screw thread, threaded connection pipe, the inside of centre gripping pipe and conical nozzle pipe is run through and is provided with the inlet pipe, the inlet pipe is from last down including the feeding chamber in proper order, ejection of compact chamber and discharge gate, the feeding chamber runs through the setting in threaded connection pipe and centre gripping pipe, ejection of compact chamber sets up in the conical nozzle pipe, the bottom outside cover in feeding chamber is equipped with the zone of heating, the outside cover of zone of heating is equipped with the insulating layer, the insulating layer sets up the inside at the shell of centre gripping pipe, the bottom of conical nozzle pipe is. The utility model discloses a threaded connection pipe, centre gripping pipe and conical nozzle tubular construction set up, reasonable in design, simple structure, the cost is lower.

Description

Nozzle suitable for 3D printer

Technical Field

The utility model relates to a relevant technical field of 3D printer especially relates to a nozzle suitable for 3D printer.

Background

The 3D printer is a printing production apparatus which has been very popular in recent years, and is gradually widely popularized and applied in the field of manufacturing. In a 3D printer, a nozzle structure is mainly used for spraying a printing material which is heated and melted, and printing and forming layer by layer under the action of a control device. The 3D printer, also called three-dimensional printer, is a machine of an accumulative manufacturing technology, i.e. a rapid prototyping technology, which is a method for manufacturing a three-dimensional object by printing a layer of bondable material, such as special wax, powdered metal or plastic, on the basis of a digital model file. In recent years, 3D printers are used to manufacture various products. The 3D printer nozzle is the key part of 3D printer, connects in the bottom of heating choke, is the part that controls the consumptive material after the consumptive material melting and flow and realize spraying accuracy control. The general structure of printer nozzle among the prior art is comparatively complicated, and is not good to the heating of inlet pipe and the holistic radiating effect of nozzle, and the centre gripping effect is not good.

In view of the above-mentioned drawbacks, the present designer is actively making research and innovation to create a nozzle suitable for a 3D printer, so that the nozzle has industrial utility value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims at providing a nozzle suitable for 3D printer.

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

the utility model provides a nozzle suitable for 3D printer, from last threaded connection pipe that down includes in proper order, centre gripping pipe and conical nozzle pipe, threaded connection pipe's the outside is provided with spiral helicine external screw thread, threaded connection pipe, the inside of centre gripping pipe and conical nozzle pipe is run through and is provided with the inlet pipe, the inlet pipe is from last to down including the feeding chamber in proper order, ejection of compact chamber and discharge gate, the feeding chamber runs through the setting in threaded connection pipe and centre gripping pipe, ejection of compact chamber sets up in the conical nozzle pipe, the bottom outside cover in feeding chamber is equipped with the zone of heating, the outside cover of zone of heating is equipped with the insulating layer, the insulating layer sets up the inside at the shell of centre gripping pipe, the bottom of.

As a further improvement of the utility model, a first lantern ring is arranged between the threaded connection pipe and the clamping pipe.

As a further improvement of the utility model, a second lantern ring is arranged between the clamping pipe and the conical nozzle pipe.

As a further improvement, the outside of the clamping pipe is provided with a circular arc-shaped clamping part, and the clamping part is provided with an anti-skid thread layer.

As a further improvement of the utility model, the anti-skid lines are arranged on the anti-skid line layer and are in the shape of a plurality of stripes.

As a further improvement, the threaded connection pipe, the clamping pipe and the conical nozzle pipe are integrally formed.

As a further improvement of the utility model, a plurality of radiating fins are arranged at the two sides of the outside of the clamping pipe.

As a further improvement of the utility model, a certain gap is arranged between the heating layer and the thermal insulation layer.

As a further improvement of the utility model, the heating layer is a ceramic heating plate or a resistance wire heating plate.

As a further improvement of the utility model, the heat insulation layer is a glass fiber heat insulation plate or an asbestos heat insulation plate.

Borrow by above-mentioned scheme, the utility model discloses at least, have following advantage:

the utility model discloses 3D printer nozzle, through threaded connection pipe, centre gripping pipe and conical nozzle tube structural arrangement, reasonable in design, simple structure, the cost is lower; the heating layer sleeved outside the bottom of the feeding cavity is used for heating, the heat insulation layer sleeved outside the heating layer is used for heat insulation treatment, and the plurality of radiating fins arranged on two sides of the outer part of the clamping pipe are used for heat radiation treatment, so that the heating and heat insulation of the feeding pipe and the overall heat radiation effect of the nozzle are good; the anti-skid thread layer is arranged on the clamping part through the arc-shaped clamping part arranged on the outer side of the clamping pipe, so that the clamping of the nozzle body is facilitated; the structural strength of the nozzle body is further ensured by the first and second collars.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a nozzle suitable for a 3D printer according to the present invention;

fig. 2 is a sectional view of the internal structure of fig. 1.

In the drawings, the meanings of the reference numerals are as follows.

1 threaded connection pipe 2 anti-skid thread layer

3 clamping part 4 clamping pipe

5-fin 6-conical nozzle pipe

7 nozzle 8 first collar

9 second collar 10 feed chamber

11 thermal insulation layer 12 heating layer

13 outer casing 14 discharge cavity

15 discharge port 16 feeding pipe

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In order to make the technical solution of the present invention better understood, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the 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. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

As shown in figures 1-2 of the drawings,

the utility model provides a nozzle suitable for 3D printer, from last threaded connection pipe 1 down including in proper order, centre gripping pipe 4 and conical nozzle pipe 6, threaded connection pipe 1's the outside is provided with spiral helicine external screw thread, threaded connection pipe 1, the inside of centre gripping pipe 4 and conical nozzle pipe 6 is run through and is provided with inlet pipe 16, inlet pipe 16 is from last feeding chamber 10 down including in proper order, ejection of compact chamber 14 and discharge gate 15, feeding chamber 10 runs through and sets up in threaded connection pipe 1 and centre gripping pipe 4, ejection of compact chamber 14 sets up in conical nozzle pipe 6, the bottom outside cover of feeding chamber 10 is equipped with zone of heating 12, the outside cover of zone of heating 12 is equipped with insulating layer 11, insulating layer 11 sets up the inside at the shell 13 of centre gripping pipe 4, conical nozzle pipe 6's bottom is provided with nozzle 7, discharge gate 15 sets up.

Preferably, a first collar 8 is provided between the nipple 1 and the clamping tube 4.

Preferably, a second collar 9 is provided between the holding tube 4 and the conical nozzle tube 6.

Preferably, an arc-shaped clamping part 3 is arranged on the outer side of the clamping pipe 4, and the anti-skid thread layer 2 is arranged on the clamping part 3.

Preferably, the anti-skid grain layer 2 is provided with a plurality of striped anti-skid grains. The arc-shaped clamping part 3 is arranged on the outer side of the clamping pipe 4, and the anti-skid thread layer 2 is arranged on the clamping part 3, so that the nozzle body can be clamped conveniently.

Preferably, the threaded connection pipe 1, the clamping pipe 4 and the conical nozzle pipe 6 are integrally formed. Threaded connection 1, centre gripping pipe 4 and the 6 integrated into one piece's of conical nozzle pipe structure setting for the overall structure intensity of 3D printer nozzle is stronger.

Preferably, a plurality of cooling fins 5 are provided on both outer sides of the clamp tube 4.

Preferably, a certain gap is arranged between the heating layer 12 and the heat insulation layer 11.

Preferably, the heating layer 12 is a ceramic heating plate or a resistance wire heating plate.

Preferably, the insulation layer 11 is a glass fiber insulation board or a asbestos insulation board.

The utility model discloses 3D printer nozzle, through threaded connection pipe 1, centre gripping pipe 4 and conical nozzle pipe 6 structural arrangement, reasonable in design, simple structure, the cost is lower; the heating layer 12 sleeved outside the bottom of the feeding cavity 10 is used for heating, the heat insulation layer 11 sleeved outside the heating layer 12 is used for heat insulation treatment, and the plurality of radiating fins 5 arranged on two sides of the outer portion of the clamping pipe 4 are used for heat radiation treatment, so that the heating and heat insulation effects of the feeding pipe 16 and the heat radiation effect of the whole nozzle are good; the arc-shaped clamping part 3 is arranged on the outer side of the clamping pipe 4, and the anti-skid thread layer 2 is arranged on the clamping part 3, so that the nozzle body can be conveniently clamped; the structural strength of the nozzle body is further ensured by the first collar 8 and the second collar 9.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The nozzle suitable for the 3D printer is characterized by comprising a threaded connection pipe (1), a clamping pipe (4) and a conical nozzle pipe (6) from top to bottom in sequence, wherein the outer side of the threaded connection pipe (1) is provided with spiral external threads, the inner parts of the threaded connection pipe (1), the clamping pipe (4) and the conical nozzle pipe (6) are provided with an inlet pipe (16) in a penetrating manner, the inlet pipe (16) comprises a feeding cavity (10), a discharging cavity (14) and a discharging hole (15) from top to bottom in sequence, the feeding cavity (10) is arranged in the threaded connection pipe (1) and the clamping pipe (4) in a penetrating manner, the discharging cavity (14) is arranged in the conical nozzle pipe (6), the outer side of the bottom of the feeding cavity (10) is sleeved with a heating layer (12), the outer side of the heating layer (12) is sleeved with a heat insulation layer (11), the heat insulation layer (11) is arranged in the outer shell (13) of the, the bottom of the conical nozzle pipe (6) is provided with a nozzle (7), and the discharge hole (15) is arranged inside the nozzle (7).

2. A nozzle suitable for a 3D printer according to claim 1, wherein a first collar (8) is provided between the threaded connection tube (1) and the clamping tube (4).

3. A nozzle suitable for use in a 3D printer according to claim 1, wherein a second collar (9) is provided between the clamping tube (4) and the conical nozzle tube (6).

4. The nozzle suitable for the 3D printer is characterized in that the clamping pipe (4) is provided with a circular arc-shaped clamping part (3) on the outer side, and the clamping part (3) is provided with an anti-skid thread layer (2).

5. A nozzle suitable for a 3D printer according to claim 4, characterized in that the anti-skid layer (2) is provided with a plurality of stripe-shaped anti-skid stripes.

6. A nozzle suitable for a 3D printer according to claim 1, wherein the threaded connection tube (1), the clamping tube (4) and the conical nozzle tube (6) are formed integrally.

7. A nozzle suitable for a 3D printer according to claim 1, characterized in that the clamping tube (4) is provided with fins (5) on both outer sides.

8. A nozzle suitable for a 3D printer according to claim 1, wherein a gap is provided between the heating layer (12) and the thermal insulation layer (11).

9. The nozzle suitable for a 3D printer according to any of claims 1 or 8, wherein the heating layer (12) is a ceramic heating plate or a resistance wire heating plate.

10. A nozzle suitable for a 3D printer according to any one of claims 1 or 8, wherein the thermal insulation layer (11) is a fiberglass insulation board or a asbestos insulation board.