CN211138139U

CN211138139U - Special nozzle for 3D printer

Info

Publication number: CN211138139U
Application number: CN201922124027.2U
Authority: CN
Inventors: 顾启凌
Original assignee: Nanjing 4 30 Information Technology Co ltd
Current assignee: Nanjing 4 30 Information Technology Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-07-31
Anticipated expiration: 2029-12-02

Abstract

The utility model relates to a 3D printer field especially relates to a special nozzle of 3D printer, and this nozzle is for dividing the body structure, is convenient for clear up inside material, and is equipped with heating structure at the nozzle end, effectively solves the problem that proposes in the background art. The spray nozzle comprises a first connecting pipe, wherein an annular first joint is fixedly arranged on the lower end face of the first connecting pipe, a conical second connecting pipe with a large upper part and a small lower part is arranged below the first joint, a lantern ring in threaded connection with the first joint is fixedly arranged at the top of the second connecting pipe, a second joint is fixedly arranged on the lower end face of the second connecting pipe, and a spray nozzle is in threaded connection below the second joint; the shower nozzle lateral wall in coil and to have inlayed the heating block, shower nozzle internal surface and bottom surface be equipped with the teflon coating. The printer is simple to operate, convenient to use and suitable for 3D printers of various models.

Description

Special nozzle for 3D printer

Technical Field

The utility model relates to a 3D printer field specifically is a special nozzle of 3D printer.

Background

With the progress of science and technology and the development of society, the printing technology in China is rapidly developed, and the 3D printing technology is rapidly developed. The nozzle is an important part of the 3D printer, and the printing material is melted at high temperature and then is sprayed out through the nozzle, so that a three-dimensional product is formed. However, the existing 3D printer nozzle often has the situation that the printing material is dry and adhered to the end part and the inner wall of the nozzle, which seriously affects the normal discharge of the nozzle.

Current nozzle is structure as an organic whole usually, can not disassemble, is unfavorable for the clearance of inside material, and does not set up heating structure usually at the end of nozzle, leads to the material temperature reduction when terminal blowout, also can influence 3D and print the effect.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a special nozzle of 3D printer, this nozzle be for dividing the body structure, are convenient for clear up inside material, and are equipped with heating structure at the nozzle end, effectively solve the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a special nozzle of 3D printer which characterized in that: comprises a first connecting pipe, the first connecting pipe is in a cylindrical barrel shape which is through up and down as a whole, a circle of annular boss is fixedly arranged on the outer peripheral surface of the bottom of the first connecting pipe, external threads are arranged on the first connecting pipe on the upper side of the annular boss, an annular first joint is fixedly arranged on the lower end surface of the first connecting pipe, external threads are arranged on the outer surface of the first joint, a conical second connecting pipe with a large upper part and a small lower part is arranged below the first joint, a lantern ring in threaded connection with the first joint is fixedly arranged at the top of the second connecting pipe, an annular second joint is fixedly arranged on the lower end face of the second connecting pipe, external threads are arranged on the outer surface of the second joint, a spray head is arranged below the second joint, the whole spray head is of a cylindrical structure with a vertical upper opening and a vertical lower opening, a circle of annular groove matched with the second connector is embedded in the inner side wall of the upper end part of the spray head, and internal threads matched with the second connector are arranged on the inner surface of the annular groove;

the heating block is coiled and embedded in the side wall of the spray head, and two end parts of the heating block are electrically connected with the wire holder on the outer side through a connecting circuit respectively;

the inner surface and the bottom surface of the spray head are provided with Teflon coatings.

Preferably, the left outer side surface and the right outer side surface of the lantern ring are respectively fixedly provided with a first boss, and the first bosses are respectively cuboid.

Preferably, the left side and the right side of the spray head on the upper side of the wire holder are respectively fixedly provided with a second boss, and the second bosses are respectively in a cuboid shape.

Preferably, the inner surface of the teflon coating on the inner surface of the spray head is flush with the inner surface of the lower port of the second connecting pipe.

Preferably, the teflon coating layers on the inner surface and the bottom surface of the spray head are connected into a whole.

Preferably, the first fitting inner surface is flush with the first connecting tube inner surface.

Compared with the prior art, the utility model provides a special nozzle of 3D printer possesses following beneficial effect:

1. the utility model discloses a fixed lantern ring that is equipped with first joint threaded connection in second connecting pipe top, the fixed annular second that is equipped with of terminal surface connects under the second connecting pipe connects, the surface that the second connects is equipped with the external screw thread, second joint below be equipped with the shower nozzle, the whole vertical upper and lower open-ended cylinder section of thick bamboo structure that is of shower nozzle, shower nozzle upper end inside wall inlay round and second and connect complex annular groove, the annular groove internal surface be equipped with the second connect complex internal thread, during the use, first connecting pipe, second connecting pipe and shower nozzle all can be dismantled through the screw thread, make things convenient for later stage staff to disassemble the nozzle, and then be convenient for clear up the material of internal surface adhesion.

2. The utility model discloses a shower nozzle lateral wall in coil and inlayed the heating piece, heating piece both ends respectively through the connection terminal electric connection in interconnecting link and the outside, during the use, be connected with external power source through the connection terminal, then can realize locating to play the effect of heating to last spun material at the shower nozzle, do benefit to the printing effect of guaranteeing the 3D printer.

3. The utility model discloses a shower nozzle internal surface and bottom surface be equipped with the teflon coating, during the use, the adhesion of material can effectively be prevented to the teflon coating, and high temperature resistant does benefit to the printing effect of guaranteeing the 3D printer.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

The following are marked in the figure:

1. a first connecting pipe; 11. an annular boss; 12. a first joint;

2. a second connecting portion; 21. a collar; 211. a first boss; 22. a second joint;

3. a spray head; 31. a heating block; 32. a wire holder; 33. a second boss; 34. connecting a line; 35. an annular groove.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 and 2, a nozzle special for a 3D printer comprises a first connecting pipe 1, the first connecting pipe 1 is a cylindrical tube shape which is through from top to bottom, a circle of annular boss 11 (playing a role of limiting when being connected with the 3D printer) is fixedly arranged on the outer peripheral surface of the bottom of the first connecting pipe 1, an external thread (not shown in the figure) is arranged on the first connecting pipe on the upper side of the annular boss 11, an annular first connector 12 is fixedly arranged on the lower end surface of the first connecting pipe 1, an external thread is arranged on the outer surface of the first connector 12, a second connecting pipe 2 which is tapered and has a large upper part and a small lower part is arranged below the first connector 12, a lantern ring 21 which is in threaded connection with the first connector 12 is fixedly arranged on the top of the second connecting pipe 2, an annular second connector 22 is fixedly arranged on the lower end surface of the second connecting pipe 2, an external thread is arranged, the whole body of the spray head 3 is of a vertical cylindrical structure with an upper opening and a lower opening, a circle of annular groove 35 matched with the second connector 22 is embedded in the inner side wall of the upper end part of the spray head 3, and internal threads matched with the second connector 22 are arranged on the inner surface of the annular groove 35.

In the above embodiment, specifically, the side wall of the nozzle 3 is embedded with a heating block 31 in a winding manner, and both ends of the heating block 31 are electrically connected to an external wire holder 32 (known in the art) through a connecting wire 34, respectively.

In the above embodiments, specifically, the inner surface and the bottom surface of the nozzle 3 are provided with teflon coatings (not shown in the figures).

In the above embodiment, more specifically, the left and right outer side surfaces of the collar 21 are respectively fixedly provided with first bosses 211, and the first bosses 211 are respectively rectangular. The friction force is increased, and the worker can conveniently use the handle to detach the handle.

In the above embodiment, more specifically, the second bosses 33 are respectively fixed to the left and right side surfaces of the head 3 above the wire holder 32, and the second bosses 33 are respectively rectangular. The friction force is increased, and the worker can conveniently use the handle to detach the handle.

In the above embodiment, more specifically, the teflon coating inner surface of the nozzle 3 is flush with the inner surface of the lower port of the second connection pipe 2. The smoothness of material ejection is facilitated.

In the above embodiment, more specifically, the teflon coating layers on the inner surface and the bottom surface of the nozzle 3 are connected into a whole. The whole anti-adhesion effect is achieved.

In the above embodiment, more specifically, the inner surface of the first joint 12 is flush with the inner surface of the first connecting pipe 1. The smoothness of material ejection is facilitated.

The working principle is as follows: first connecting pipe 1, second connecting pipe 2 and shower nozzle 3 all can be dismantled through the screw thread, make things convenient for the later stage staff to disassemble the nozzle, and then be convenient for clear up the material of internal surface adhesion. Be connected with external power source through connection terminal 32 (can adopt plug connection, the later stage makes things convenient for the dismantlement of shower nozzle 3), then can realize 3 departments of shower nozzle and play the effect of heating to last spun material, the adhesion of material can effectively be prevented to the special fluorine dragon coating, and high temperature resistant, does benefit to the printing effect of guaranteeing the 3D printer.

The components used in the present invention are all common standard components or components known to those skilled in the art, and the structure and principle thereof are well known to those skilled in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a special nozzle of 3D printer which characterized in that: comprises a first connecting pipe, the first connecting pipe is in a cylindrical barrel shape which is through up and down as a whole, a circle of annular boss is fixedly arranged on the outer peripheral surface of the bottom of the first connecting pipe, external threads are arranged on the first connecting pipe on the upper side of the annular boss, an annular first joint is fixedly arranged on the lower end surface of the first connecting pipe, external threads are arranged on the outer surface of the first joint, a conical second connecting pipe with a large upper part and a small lower part is arranged below the first joint, a lantern ring in threaded connection with the first joint is fixedly arranged at the top of the second connecting pipe, an annular second joint is fixedly arranged on the lower end face of the second connecting pipe, external threads are arranged on the outer surface of the second joint, a spray head is arranged below the second joint, the whole spray head is of a cylindrical structure with a vertical upper opening and a vertical lower opening, a circle of annular groove matched with the second connector is embedded in the inner side wall of the upper end part of the spray head, and internal threads matched with the second connector are arranged on the inner surface of the annular groove;

2. The nozzle special for the 3D printer according to claim 1, wherein: the lantern ring left and right outer side face is respectively fixedly provided with a first boss, and the first bosses are respectively in a cuboid shape.

3. The nozzle special for the 3D printer according to claim 1, wherein: and second bosses are respectively fixedly arranged on the left side and the right side of the spray head on the upper side of the wire holder and are respectively cuboid.

4. The nozzle special for the 3D printer according to claim 1, wherein: the inner surface of the Teflon coating layer on the inner surface of the spray head is flush with the inner surface of the lower port of the second connecting pipe.

5. The nozzle special for the 3D printer according to claim 1, wherein: the Teflon coatings on the inner surface and the bottom surface of the spray head are connected into a whole.

6. The nozzle special for the 3D printer according to claim 1, wherein: the first joint inner surface is flush with the first connecting pipe inner surface.