CN215320670U - 3D prints shower nozzle device and 3D printer - Google Patents
3D prints shower nozzle device and 3D printer Download PDFInfo
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- CN215320670U CN215320670U CN202120541673.3U CN202120541673U CN215320670U CN 215320670 U CN215320670 U CN 215320670U CN 202120541673 U CN202120541673 U CN 202120541673U CN 215320670 U CN215320670 U CN 215320670U
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Abstract
The utility model relates to the technical field of 3D printers and discloses a 3D printing nozzle device and a 3D printer. The 3D printing spray head device comprises a fixing plate, a heat dissipation block, a heating block, a throat pipe, a nozzle and a blast fan, wherein the heat dissipation block is arranged on the fixing plate, at least three side walls of the heat dissipation block are communicated with air, and a feeding channel is arranged in the heat dissipation block; a heating channel is arranged in the heating block, and the heating block can heat consumables in the heating channel; one end of the throat pipe is communicated with the feeding channel, and the other end of the throat pipe is communicated with the heating channel; the nozzle is arranged at one end of the heating channel far away from the throat, and consumables can be extruded out of the nozzle after sequentially passing through the feeding channel, the throat and the heating channel; the blower fan is arranged on the fixed plate, and an air outlet of the blower fan is opposite to the nozzle. At least three side surfaces of the radiating block of the utility model are fully convected with air, thus the radiating effect is better; meanwhile, the structure is simplified, the weight is reduced, and the printing efficiency and the printing quality are improved.
Description
Technical Field
The utility model relates to the technical field of 3D printers, in particular to a 3D printing nozzle device and a 3D printer.
Background
Fused Deposition (FDM) is a well-known additive molding method, and can be used for layer-by-layer molding according to a three-dimensional part model until a three-dimensional solid part is obtained. The cooling mode that present FDM shower nozzle generally adopted is with radiator fan and blast fan's combination, and radiator fan mainly is to the heat dissipation of choke department, if the heat dissipation of choke department is untimely, and the heat gathering makes the silk banding consumptive material expand under the influence of high temperature in choke department, causes the putty phenomenon. The blast fan aims at heat dissipation at the nozzle, and has great influence on the printing effect.
Among the prior art, radiator fan locates the periphery of radiating block through the panel beating cover usually for to the heat dissipation of radiating block, but the panel beating cover that the radiating block was located to the cover is unfavorable for thermal giving off, makes radiator fan's radiating effect not good, makes choke pipe department easily cause the putty phenomenon, influences printing efficiency and printing quality.
Therefore, a 3D printing head device is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Based on the above, the utility model aims to provide the 3D printing nozzle device and the 3D printer, which have good cooling effect and are beneficial to improving the printing efficiency and the printing quality.
In order to achieve the purpose, the utility model adopts the following technical scheme:
A3D printing nozzle device comprises:
a fixing plate;
the heat dissipation block is arranged on the fixing plate, at least three side walls of the heat dissipation block are communicated with air, and a feeding channel is arranged in the heat dissipation block;
the heating block is internally provided with a heating channel and can heat consumables in the heating channel;
one end of the throat is communicated with the feeding channel, and the other end of the throat is communicated with the heating channel;
the nozzle is arranged at one end of the heating channel, which is far away from the throat pipe, and the consumable can be extruded out of the nozzle after sequentially passing through the feeding channel, the throat pipe and the heating channel;
and the air blowing fan is arranged on the fixed plate, and an air outlet of the air blowing fan is over against the nozzle. This 3D prints shower nozzle device cooling effect is good, is favorable to improving printing efficiency and printing quality.
As a preferable scheme of the 3D printing nozzle device, the heating block is connected with the fixing plate through a heat insulation column. Through setting up the heat insulating column, change heating block heat transfer's route, be favorable to concentrating the heat and heat the consumptive material in the heating channel, avoid heat conduction, be favorable to the energy saving.
As a preferred scheme of 3D printing shower nozzle device, thermal-insulated post height-adjustable. The universality of the 3D printing nozzle device is improved.
As a preferred scheme of 3D printing shower nozzle device, the radiating block with the side that the fixed plate is connected with the fixed plate laminating setting. The heat dissipation area between the heat dissipation block and the fixing plate is enlarged, and the timely dissipation of heat is ensured by increasing the heat dissipation area.
As a preferred scheme of 3D printing shower nozzle device, the one end that the radiating block kept away from the heating block is provided with the consumptive material import of material loading passageway intercommunication. The consumable enters the 3D printing nozzle device and is heated and extruded.
As a preferred scheme of the 3D printing nozzle device, the throat pipe, the heating block and the heat dissipation block can be detachably connected. When the throat is not unobstructed after long-time use, the throat can be locally dredged or replaced.
As a preferred scheme of 3D printing shower nozzle device, the choke adopts the PEEK material to make. The heat insulation between the heating block and the radiating block is more facilitated, the consumable materials are prevented from being heated and expanded too early in the throat, and the throat blockage phenomenon is reduced.
As an optimal scheme of the 3D printing nozzle device, the side wall of the radiating block is provided with a plurality of radiating grooves, and radiating efficiency of the radiating block is improved.
As a preferred scheme of the 3D printing nozzle device, the extending direction of the heat dissipation groove is perpendicular to the feeding channel, and the heat dissipation efficiency of the heat dissipation block is further improved.
A3D printer comprises the 3D printing nozzle device in any scheme.
The utility model has the beneficial effects that:
according to the utility model, the arrangement of the cooling fan is cancelled, and the metal plate cover for installing the cooling fan is further cancelled, so that at least three side surfaces of the cooling block are in full convection with air, the cooling effect of the cooling block is favorably improved, and the phenomenon of material blockage caused by expansion of consumables at a high-temperature throat due to heat accumulation at the throat is reduced; meanwhile, the elimination of the cooling fan is also beneficial to simplifying the structure of the 3D printing nozzle device and reducing the weight of the 3D printing nozzle device; the consumptive material is via feed channel, choke and heating channel, extrudes through the nozzle at last, because abundant convection current between at least three side of radiating block and the air, so can in time with the heat dissipation that transmits the radiating block by the heating block, avoid being in the consumptive material inflation of feed channel, block up the choke, be favorable to improving printing efficiency and print quality.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic diagram of a 3D printing head device according to an embodiment of the present invention.
In the figure:
1. a fixing plate; 11. a heat insulating column; 2. a heat dissipating block; 21. a consumable inlet; 22. a heat sink; 3. a heating block; 4. a throat; 5. a nozzle; 6. a blower fan; 61. and (7) air outlet.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
As shown in fig. 1, the present embodiment provides a 3D printing head device, the 3D printing head device includes a fixing plate 1, a heat dissipation block 2, a heating block 3, a throat 4, a nozzle 5, and a blower fan 6, the heat dissipation block 2 is disposed on the fixing plate 1, at least three side walls of the heat dissipation block 2 are communicated with air, and a feeding channel is disposed in the heat dissipation block 2; a heating channel is arranged in the heating block 3, and the heating block 3 can heat consumables in the heating channel; one end of the throat pipe 4 is communicated with the feeding channel, and the other end of the throat pipe is communicated with the heating channel; the nozzle 5 is arranged at one end of the heating channel far away from the throat 4, and consumables can be extruded out of the nozzle 5 after passing through the feeding channel, the throat 4 and the heating channel in sequence; the blower fan 6 is arranged on the fixed plate 1, and an air outlet 61 of the blower fan 6 is opposite to the nozzle 5.
The arrangement of the cooling fan is cancelled, and the metal plate cover for installing the cooling fan is further cancelled, so that sufficient convection is realized between at least three side surfaces of the cooling block 2 and air, the cooling effect of the cooling block 2 is favorably improved, and the phenomenon of material blockage caused by expansion of consumables at the high-temperature throat 4 due to heat accumulation at the throat 4 is reduced; meanwhile, the elimination of the cooling fan is also beneficial to simplifying the structure of the 3D printing nozzle device and reducing the weight of the 3D printing nozzle device; the consumptive material is via feed channel, choke 4 and heating channel, extrudes through nozzle 5 at last, because abundant convection current between at least three side of radiating block 2 and the air, so can in time with the heat dissipation that transmits radiating block 2 by heating block 3, avoid being in the consumptive material inflation of feed channel in, block up choke 4, be favorable to improving printing efficiency and print quality.
In this embodiment, the one end that heating block 3 was kept away from to radiating block 2 is provided with the consumptive material import 21 with the feed channel intercommunication for the consumptive material gets into 3D and prints the shower nozzle device, and then is heated and extrudes.
Specifically, for improving the radiating efficiency of radiating block 2, the side that radiating block 2 and fixed plate 1 are connected sets up with the laminating of fixed plate 1, and the laminating is provided with and does benefit to the heat radiating area who increases between radiating block 2 and the fixed plate 1, guarantees thermal in time scattering and disappearing through the mode of increase heat radiating area.
In order to further improve the heat dissipation efficiency of the heat dissipation block 2, a plurality of heat dissipation grooves 22 are formed on the side wall of the heat dissipation block 2 to increase the contact area between the heat dissipation block 2 and the air.
Optionally, the feeding channel in the heat dissipation block 2 is arranged in a vertical direction, and the extension direction of the heat dissipation groove 22 is perpendicular to the feeding channel, that is, the heat dissipation groove 22 extends in a horizontal direction. So as to dispel the heat to the consumptive material in the axial different positions of material loading passageway, the radiating effect is better.
For example, in order to improve the heat dissipation effect of the heat dissipation grooves 22, one skilled in the art may increase the contact area between the heat dissipation grooves 22 and the air by increasing the number of the heat dissipation grooves 22 and increasing the groove depth of the heat dissipation grooves 22, thereby improving the heat dissipation effect.
In this embodiment, in order to prevent the heat of the heating block 3 from being conducted out through the fixing plate 1, the heating block 3 is connected to the fixing plate 1 through the heat insulation column 11. The setting of heat insulation post 11 can change the route of 3 heat transfer of heating block, is favorable to concentrating the heat and heats the consumptive material in the heating channel, avoids the heat conduction, is favorable to the energy saving.
Preferably, the height of the heat insulation column 11 is adjustable, so that on one hand, the heat insulation effect required under different use scenes can be changed, and the universality of the 3D printing spray head device is improved; on the other hand, the position of the heating block 3 is favorably adjusted, the heating channel is convenient to be opposite to the throat pipe 4, and consumables can conveniently enter the heating channel through the throat pipe 4.
Furthermore, the throat pipe 4 is made of PEEK materials, compared with the throat pipe 4 which is supported by metal stainless steel in the prior art, the PEEK materials can be more favorable for heat insulation between the heating block 3 and the radiating block 2 as heat insulation materials, the consumable materials are prevented from being heated and expanded in the throat pipe 4 too early, and the phenomenon of material blockage of the throat pipe 4 is reduced.
Preferably, the choke 4 and the heating block 3 all can be dismantled with the radiating block 2 and be connected, and when choke 4 is obstructed after long-time the use, can carry out local mediation or change to choke 4, be favorable to improving 3D and print the life of shower nozzle device.
Example two
This embodiment provides a 3D printer, include as in embodiment one 3D print shower nozzle device, adopt as above 3D to print the 3D printer of shower nozzle device, the structure is simpler, and weight is lighter, and the radiating effect is better, has higher printing efficiency and better printing quality simultaneously.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (10)
1. The utility model provides a 3D prints shower nozzle device which characterized in that includes:
a fixed plate (1);
the heat dissipation block (2) is arranged on the fixing plate (1), at least three side walls of the heat dissipation block (2) are communicated with air, and a feeding channel is arranged in the heat dissipation block (2);
the heating block (3) is internally provided with a heating channel, and the heating block (3) can heat consumables in the heating channel;
one end of the throat pipe (4) is communicated with the feeding channel, and the other end of the throat pipe (4) is communicated with the heating channel;
the nozzle (5) is arranged at one end of the heating channel, which is far away from the throat (4), and the consumables can be extruded out from the nozzle (5) after passing through the feeding channel, the throat (4) and the heating channel in sequence;
and the air blowing fan (6) is arranged on the fixing plate (1), and an air outlet (61) of the air blowing fan (6) is over against the nozzle (5).
2. 3D print head device according to claim 1, characterized in that the heating block (3) is connected to the fixing plate (1) by means of insulating columns (11).
3. 3D print head arrangement according to claim 2, characterized in that the thermal insulation column (11) is height adjustable.
4. The 3D printing nozzle device according to claim 1, wherein a side surface of the heat dissipation block (2) connected with the fixing plate (1) is attached to the fixing plate (1).
5. 3D printing nozzle device according to claim 1, characterized in that the end of the heat dissipation block (2) away from the heating block (3) is provided with a consumable inlet (21) communicating with the feeding channel.
6. 3D print head arrangement according to claim 1, characterized in that the throat (4) is detachably connectable to both the heating block (3) and the heat sink block (2).
7. 3D print head device according to claim 1, characterized in that the throat (4) is made of PEEK material.
8. 3D printing head arrangement according to claim 1, characterized in that a plurality of heat dissipation grooves (22) are provided on the side wall of the heat dissipation block (2).
9. The 3D print head device according to claim 8, wherein the heat sink (22) extends in a direction perpendicular to the feeding channel.
10. 3D printer, characterized in that it comprises a 3D printing head device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120541673.3U CN215320670U (en) | 2021-03-16 | 2021-03-16 | 3D prints shower nozzle device and 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120541673.3U CN215320670U (en) | 2021-03-16 | 2021-03-16 | 3D prints shower nozzle device and 3D printer |
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| Publication Number | Publication Date |
|---|---|
| CN215320670U true CN215320670U (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120541673.3U Active CN215320670U (en) | 2021-03-16 | 2021-03-16 | 3D prints shower nozzle device and 3D printer |
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| Country | Link |
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| CN (1) | CN215320670U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114919172A (en) * | 2022-04-19 | 2022-08-19 | 福建工程学院 | Platform for real-time monitoring and defect detection of 3D printer |
| CN115008740A (en) * | 2022-06-01 | 2022-09-06 | 广西医科大学 | A biological 3D printer of dual spray for bone cartilage is restoreed |
| CN115284604A (en) * | 2022-08-22 | 2022-11-04 | 湖北创想三维科技有限公司 | High performance 3D printer extrusion nozzle mechanism |
-
2021
- 2021-03-16 CN CN202120541673.3U patent/CN215320670U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114919172A (en) * | 2022-04-19 | 2022-08-19 | 福建工程学院 | Platform for real-time monitoring and defect detection of 3D printer |
| CN115008740A (en) * | 2022-06-01 | 2022-09-06 | 广西医科大学 | A biological 3D printer of dual spray for bone cartilage is restoreed |
| CN115284604A (en) * | 2022-08-22 | 2022-11-04 | 湖北创想三维科技有限公司 | High performance 3D printer extrusion nozzle mechanism |
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