CN217729681U - Extrusion nozzle for 3D printing - Google Patents
Extrusion nozzle for 3D printing Download PDFInfo
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- CN217729681U CN217729681U CN202122312500.7U CN202122312500U CN217729681U CN 217729681 U CN217729681 U CN 217729681U CN 202122312500 U CN202122312500 U CN 202122312500U CN 217729681 U CN217729681 U CN 217729681U
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- melting cylinder
- funnel
- melting
- end cover
- connector
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Abstract
The utility model discloses an extrusion nozzle for 3D printing, which belongs to the technical field of 3D printing and comprises a melting cylinder and a nozzle body, wherein the nozzle body is assembled at the bottom in the melting cylinder and is communicated with the melting cylinder; the bottom of the melting cylinder is provided with a heating assembly which heats and melts the materials in the melting cylinder; the melting cylinder is internally detachably provided with a funnel piece, the bottom of the funnel piece is provided with a through hole for molten materials to pass through, and the funnel piece can slide up and down in the melting cylinder. The utility model discloses well funnel spare can take out a melting section of thick bamboo with the molten material, has avoided the problem that the molten material caking leads to the shower nozzle to block up to take place in a melting section of thick bamboo internal cooling, the utility model provides a funnel spare has still avoided not fused granule to enter into the problem that this internal shower nozzle body blockked up of shower nozzle takes place.
Description
Technical Field
The utility model belongs to the technical field of 3D prints, specifically speaking relates to an extrude shower nozzle for 3D prints.
Background
3D printing is a rapid prototyping technology, and is mainly through melting the material, prints out corresponding model according to the model that scans, and at present, 3D printing technology has become relatively mature, and the wide application is in technical field such as industry, medical treatment.
In 3D printing, a printer is an indispensable device, a spray head is assembled on the 3D printer, materials are extruded and printed after being melted by the spray head, however, in the prior art, the spray head has certain defects in use:
because the material melts in the nozzle, the melted material has high viscosity and is easily attached to the inner wall of the nozzle, so that the melted material is easily attached to the inner wall of the nozzle after the printer is used, and the nozzle is easily blocked by agglomeration after the temperature is reduced, thereby bringing certain inconvenience to people.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.
In view of the problem that above-mentioned shower nozzle in use exists, provided the utility model discloses a be provided with funnel spare in a melting section of thick bamboo, fused material can pass funnel spare when printing, after the printing is accomplished, takes out in a melting section of thick bamboo after funnel spare bottom is sealed through the end cover, takes out the material in a melting section of thick bamboo, has avoided the material to cool down the caking in a melting section of thick bamboo to the problem of shower nozzle jam has been avoided takes place.
Therefore, one of the objects of the present invention is to provide a method for producing a composite material
In order to solve the above problems, the utility model adopts the following technical proposal.
An extrusion nozzle for 3D printing comprises a melting cylinder and a nozzle body, wherein the nozzle body is assembled at the bottom in the melting cylinder and is communicated with the melting cylinder; the bottom of the melting cylinder is provided with a heating assembly which heats and melts the materials in the melting cylinder;
the melting cylinder is internally detachably assembled with a funnel piece, the bottom of the funnel piece is provided with a through hole for molten materials to pass through, and the funnel piece can slide up and down in the melting cylinder.
Preferably, the outer edge of the funnel member abuts against the inner wall of the melting cylinder.
Preferably, the funnel piece include the connector and the end cover that cooperates the connector to use, the end cover demountable assembly be in the connector on, funnel piece bottom is provided with the connector, when funnel piece assembly be in a melting section of thick bamboo in after, its connector follow melting bobbin base portion stretch out and extend to in the shower nozzle body.
Preferably, the outer side wall of the connecting head is provided with external threads, the end cover is matched with the funnel piece for use, the end cover is of a cover body structure, the inner wall of the end cover is provided with internal threads, and the end cover is assembled on the connecting head in a threaded assembly mode.
Preferably, the outer diameter of the end cover is smaller than the inner diameter of the outlet at the bottom of the melting cylinder, and the end cover can move up and down in the melting cylinder along with the funnel piece.
The extrusion nozzle further comprises a hopper, the bottom of the hopper is communicated with the melting cylinder, and a filter screen is arranged at the joint between the hopper and the melting cylinder.
Advantageous effects
Compared with the prior art, the beneficial effects of the utility model are that:
(1) The utility model provides an extrude shower nozzle is provided with funnel spare in a melting section of thick bamboo, and funnel spare can be in a melting section of thick bamboo in reciprocate to when not printing, the funnel spare can take out a melting section of thick bamboo with the fused material, has avoided the problem emergence that the fused material caking leads to the shower nozzle to block up in a melting section of thick bamboo internal cooling, the utility model provides a funnel spare has still avoided not fused granule to enter into the shower nozzle this internal problem that leads to the shower nozzle body to block up and has taken place.
(2) The utility model provides a funnel spare still includes connector and end cover, the end cover assembly is in when not printing the connector on seal the through-hole of funnel spare bottom to follow funnel spare and upwards move in a melting section of thick bamboo with the melting material discharge melting section of thick bamboo, thereby avoided the melting material to stop in a melting section of thick bamboo, further avoided the problem of shower nozzle body jam to take place, make things convenient for people to use.
Drawings
Fig. 1 is a schematic structural view of a sprinkler head according to the present invention;
FIG. 2 is a cross-sectional view of the sprinkler head of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is a schematic view of an assembly structure of the melting barrel and the funnel of the present invention;
FIG. 5 is a schematic view of an assembly structure of the middle funnel and the end cap of the present invention;
fig. 6 is a top view of the funnel of the present invention.
The corresponding relationship between the reference numbers of the figures and the names of the components in the figures is as follows:
10. a hopper; 20. a melting cylinder; 30. a nozzle body; 40. a support frame;
41. a drive mechanism; 42. a rotating shaft; 43. extruding a blade;
50. a funnel member; 51. a connector; 52. and (4) end covers.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying the present invention are described in detail below with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
As shown in fig. 1 and fig. 2, which are schematic structural views of an extrusion nozzle according to a preferred embodiment of the present invention, the extrusion nozzle of this embodiment includes a hopper 10, a melting cylinder 20 and a nozzle body 30, the nozzle body 30 is assembled at the bottom of the melting cylinder 20 and is communicated with the inside of the melting cylinder 20; the extrusion nozzle further comprises a support frame 40, a driving mechanism 41 is assembled on the support frame 40, a power end of the driving mechanism 41 is connected with a rotating shaft 42, the bottom of the rotating shaft 42 is provided with an extrusion blade 43, in this embodiment, the bottom of the hopper 10 is communicated with the melting cylinder 20, and the rotating shaft 42 penetrates through the hopper 10 and extends into the melting cylinder 20, it is noted that the melting cylinder 20 and the hopper 10 in this embodiment are detachably assembled, so that the melting cylinder 20 is convenient to clean.
In this embodiment, the material to be melted is placed in the hopper 10, the driving mechanism 41 operates to drive the rotating shaft 42 to rotate, a pulverizing assembly (not shown in the figure) is fixedly connected to the rotating shaft 42 in the hopper 10, and the rotating shaft 42 drives the pulverizing assembly to rotate to pulverize the material in the hopper 10.
In this embodiment, the rotating shaft 42 in the melting cylinder 20 is provided with an extruding blade 43, and the extruding blade 43 rotates along with the rotating shaft 42 to push the material downward. In this embodiment, a heating component is disposed at the bottom of the melting cylinder 20, and heats the material in the melting cylinder 20 to melt the material, so as to extrude the material through the nozzle body 30, thereby completing the printing operation.
As shown in fig. 2, 3 and 4, in the present embodiment, the funnel 50 is detachably mounted in the melting cylinder 20, a through hole is formed at the bottom of the funnel 50 for the melted material to be extruded from the melting cylinder 20, it should be noted that the funnel 50 slides up and down in the melting cylinder 20, the outer edge of the funnel 50 abuts against the inner wall of the melting cylinder 20, a through hole for the melted material to pass through is formed at the bottom of the funnel 50, after the printing is completed, the funnel 50 is taken out from the melting cylinder 20, the funnel 50 takes the remaining material in the melting cylinder 20 out of the melting cylinder 20, and the problem that the melted material is cooled and agglomerated in the melting cylinder 20 to block the nozzle body 30 is avoided. It is worth noting that the funnel piece 50 in this embodiment enables, on one hand, the melted material to be discharged out of the melting cylinder 20 after the printing is completed, and on the other hand, the problem that the nozzle body 30 is blocked due to the fact that the unmelted material particles in the melting cylinder 20 enter the nozzle body 30 is also avoided, therefore, the 3D printing efficiency and the printing effect are greatly improved by the funnel piece 50, and on the other hand, the waste of the material and the problem that the nozzle body 30 is blocked are also avoided.
Example 2
In order to prevent the funnel 50 from leaking out of the through hole at the bottom of the funnel 50 in the upward movement process, as shown in fig. 5 and fig. 6, which are schematic structural views of the funnel 50 according to a preferred embodiment of the present invention, the funnel 50 of the present embodiment includes a connector 51 and an end cap 52 used in cooperation with the connector 51, on the basis of embodiment 1, the connector 51 is disposed at the bottom thereof, after the funnel 50 is assembled in the melting cylinder 20, the connector 51 extends out from the bottom of the melting cylinder 20 and extends into the nozzle body 30, in the present embodiment, an external thread is disposed on the outer side wall of the connector 51, the end cap 52 used in cooperation with the funnel 50 is also provided with an end cap 52, the end cap 52 is a cap structure, an internal thread is disposed on the inner wall of the end cap 52, and the end cap 52 is assembled on the connector 51 in a thread assembly manner.
It should be noted that in this embodiment, the outer diameter of the end cap 52 is smaller than the inner diameter of the bottom outlet of the melting cylinder 20, so that after the end cap 52 is assembled on the connecting head 51, the funnel member 50 can also move from bottom to top in the melting cylinder 20 to discharge the molten material remaining in the melting cylinder 20 from the melting cylinder 20, and the end cap 52 in this embodiment has the purpose of sealing the through hole at the bottom of the funnel member 50, so that the material remaining in the melting cylinder 20 can be completely taken out in the process of moving the funnel member 50 upwards, and the problem that the nozzle body 30 is blocked due to the fact that the material is cooled and agglomerated in the melting cylinder 20 is avoided.
The above description is for further details of the present invention, and it is not assumed that the embodiments of the present invention are limited to these descriptions, and it is obvious to those skilled in the art that the present invention can be implemented by a plurality of simple deductions or replacements without departing from the concept of the present invention, and all should be considered as belonging to the protection scope defined by the claims submitted by the present invention.
Claims (6)
1. An extrusion nozzle for 3D printing comprises a melting cylinder (20) and a nozzle body (30), wherein the nozzle body (30) is assembled in the melting cylinder (20), and the bottom of the nozzle body is communicated with the melting cylinder (20); the bottom of the melting cylinder (20) is provided with a heating assembly, and the heating assembly heats and melts the materials in the melting cylinder (20);
the method is characterized in that:
the melting cylinder (20) is internally and detachably provided with a funnel piece (50), the bottom of the funnel piece (50) is provided with a through hole for molten materials to pass through, and the funnel piece (50) can slide up and down in the melting cylinder (20).
2. The extrusion nozzle for 3D printing as recited in claim 1, wherein: the outer edge of the funnel piece (50) is abutted against the inner wall of the melting cylinder (20).
3. The extrusion nozzle for 3D printing according to claim 1, wherein: funnel spare (50) including connector (51) and end cover (52) that cooperation connector (51) used, end cover (52) demountable assembly be in connector (51) on, funnel spare (50) bottom is provided with connector (51), work as funnel spare (50) assemble and be in a melting section of thick bamboo (20) in after, its connector (51) are followed melting section of thick bamboo (20) bottom stretch out and extend to in shower nozzle body (30).
4. The extrusion nozzle for 3D printing as recited in claim 3, wherein: the outer side wall of the connector (51) is provided with external threads, the end cover (52) is used in cooperation with the funnel piece (50), the end cover (52) is of a cover body structure, internal threads are arranged on the inner wall of the end cover (52), and the end cover (52) is assembled on the connector (51) in a thread assembling mode.
5. Extrusion nozzle for 3D printing according to claim 3 or 4, characterized in that: the outer diameter of the end cover (52) is smaller than the inner diameter of the outlet at the bottom of the melting cylinder (20), and the end cover (52) can move up and down in the melting cylinder (20) along with the funnel piece (50).
6. The extrusion nozzle for 3D printing according to claim 1, wherein: still include hopper (10), hopper (10) bottom with melting section of thick bamboo (20) intercommunication, hopper (10) and melting section of thick bamboo (20) between the junction be provided with the filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122312500.7U CN217729681U (en) | 2021-09-24 | 2021-09-24 | Extrusion nozzle for 3D printing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122312500.7U CN217729681U (en) | 2021-09-24 | 2021-09-24 | Extrusion nozzle for 3D printing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217729681U true CN217729681U (en) | 2022-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122312500.7U Active CN217729681U (en) | 2021-09-24 | 2021-09-24 | Extrusion nozzle for 3D printing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117400533A (en) * | 2023-12-14 | 2024-01-16 | 南京诚德新材料有限公司 | 3D prints shower nozzle feed arrangement and 3D and prints shower nozzle |
-
2021
- 2021-09-24 CN CN202122312500.7U patent/CN217729681U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117400533A (en) * | 2023-12-14 | 2024-01-16 | 南京诚德新材料有限公司 | 3D prints shower nozzle feed arrangement and 3D and prints shower nozzle |
| CN117400533B (en) * | 2023-12-14 | 2024-03-08 | 南京诚德新材料有限公司 | 3D prints shower nozzle feed arrangement and 3D and prints shower nozzle |
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