CN221067204U - 3D printer print shower nozzle convenient to change - Google Patents
3D printer print shower nozzle convenient to change Download PDFInfo
- Publication number
- CN221067204U CN221067204U CN202323023442.1U CN202323023442U CN221067204U CN 221067204 U CN221067204 U CN 221067204U CN 202323023442 U CN202323023442 U CN 202323023442U CN 221067204 U CN221067204 U CN 221067204U
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- China
- Prior art keywords
- extrusion
- heat dissipation
- bracket
- assembly
- head
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- 238000001125 extrusion Methods 0.000 claims abstract description 123
- 230000017525 heat dissipation Effects 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 27
- 238000001179 sorption measurement Methods 0.000 claims abstract description 27
- 239000007921 spray Substances 0.000 claims abstract description 22
- 238000007639 printing Methods 0.000 claims abstract description 17
- 238000001816 cooling Methods 0.000 claims description 37
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000000919 ceramic Substances 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000012255 powdered metal Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model discloses a printing nozzle of a 3D printer convenient to replace, which comprises a feeding mechanism and an extrusion mechanism, wherein the feeding mechanism comprises a feeding bracket and a driving assembly, and the driving assembly is used for conveying consumable materials; the extrusion mechanism comprises an extrusion bracket, a spray head assembly and a heat dissipation assembly, wherein the feeding bracket is fixed above the extrusion bracket, the extrusion bracket is provided with a mounting hole with a downward opening, and the top end of the spray head assembly can extend into the mounting hole; the spray head assembly is provided with a protruding part, a first adsorption magnet is arranged on the protruding part, a second adsorption magnet is arranged at the bottom end of the extrusion support, and the first adsorption magnet and the second adsorption magnet are attracted to connect the spray head assembly with the extrusion support; the spray head assembly is adsorbed on the extrusion support through the cooperation of the first adsorption magnet and the second adsorption magnet, so that the spray head assembly is convenient to detach and mount, and the spray head assembly is convenient to replace and clean.
Description
Technical Field
The utility model relates to the technical field of 3D printers, in particular to a printing nozzle of a 3D printer, which is convenient to replace.
Background
The 3D printer is also called as a three-dimensional printer, is a machine of a cumulative manufacturing technology, namely a rapid prototyping technology, is based on a digital model file, and is used for manufacturing a three-dimensional object by printing a layer of adhesive material by using special wax materials, powdered metals or plastic and other adhesive materials. Three-dimensional printers are now used to manufacture products. Techniques for structuring objects in a layer-by-layer printing manner. The principle of a 3D printer is that data and raw materials are put into the 3D printer, and the machine can build the product layer by layer according to a program.
When the 3D printer prints the product, often need carry out heating melting to the consumptive material, then extrude the consumptive material after melting and pile up department certain shape, extrude the part of molten material for extruding the head or print the shower nozzle in the 3D printer, the current printing shower nozzle of 3D printer often is fixed on equipment, dismantles inconveniently, because 3D printer often can lead to printing the shower nozzle putty because of some reasons again, therefore it is comparatively complicated to print the clearance and the change of shower nozzle, can waste a large amount of time.
Disclosure of utility model
In view of the above, the utility model discloses a printing nozzle of a 3D printer, which is convenient to replace, and the nozzle assembly is convenient to disassemble and assemble and is convenient to replace and clean.
The utility model discloses a printing nozzle of a 3D printer convenient to replace, which comprises the following components:
the feeding mechanism comprises a feeding bracket and a driving assembly, and the driving assembly is connected with the feeding bracket and used for conveying consumable materials;
The extrusion mechanism comprises an extrusion bracket, a spray head assembly and a heat dissipation assembly, wherein the feeding bracket is fixed above the extrusion bracket, the extrusion bracket is provided with a mounting hole with a downward opening, and the top end of the spray head assembly can extend into the mounting hole; the spray head assembly is provided with a protruding part, a first adsorption magnet is arranged on the protruding part, a second adsorption magnet is arranged at the bottom end of the extrusion support, and the first adsorption magnet and the second adsorption magnet are attracted to connect the spray head assembly with the extrusion support;
The heat dissipation assembly is fixed on the extrusion bracket.
Further, the shower nozzle subassembly includes radiating member, extrusion pipe, supporting shoe and extrusion head, the supporting shoe be located the below of radiating member and with radiating member fixed connection, extrusion pipe top connect in the radiating member, the bottom of extrusion pipe stretches into in the supporting shoe, the extrusion head be fixed in the bottom of supporting shoe and with the bottom intercommunication of extrusion pipe.
Further, the heat dissipation piece stretches into the mounting hole and is fixedly connected with the extrusion support, a material passing hole is formed in the top end of the heat dissipation piece, and consumable materials stretch into the extrusion pipe through the material passing hole.
Further, the supporting block is located below the extrusion support, the protruding portion is arranged on the supporting block and located on one side of the supporting block, and the first adsorption magnet is attached to the upper surface of the protruding portion.
Further, a clamping groove is formed in the protruding portion, a heating rod is fixedly clamped in the clamping groove, and the heating rod is located below the first adsorption magnet.
Further, a heat-insulating ceramic patch is arranged between the first adsorption magnet and the upper surface of the protruding portion.
Further, a heat dissipation hole is formed in the extrusion support, the heat dissipation hole is located on one side of the heat dissipation piece, and a first heat dissipation fan is arranged on the outer side of the heat dissipation hole.
Further, cooling air channels are respectively arranged on two sides of the extrusion head, the blowing direction of each cooling air channel is located right below the extrusion head, and a turbine fan is arranged at the air inlet end of each cooling air channel.
Further, two cooling protrusions are arranged on the extrusion support, the two cooling protrusions are symmetrically arranged on two sides of the extrusion head, the cooling air duct is arranged on the cooling protrusions, the air inlet end of the cooling air duct penetrates through the upper surfaces of the cooling protrusions, and the air outlet end of the cooling air duct is positioned on the side surface, close to the extrusion head, of the cooling protrusions; the turbine fan is fixed on the upper surface of the cooling protrusion.
Further, the driving assembly comprises a driving motor, a first driving gear, a second driving gear, a first extrusion wheel and a second extrusion wheel, wherein the first extrusion wheel and the second extrusion wheel are both in rotary connection with the feeding support, and the first extrusion wheel and the second extrusion wheel are meshed through a gear structure; the second driving gear is fixedly connected with the first extrusion wheel, the first driving gear is meshed with the second driving gear, and the driving motor can drive the first driving gear to rotate;
The first extrusion wheel is provided with a first extrusion groove, the second extrusion wheel is provided with a second extrusion groove, and consumable materials penetrate through a driving gap formed by the cooperation of the first extrusion groove and the second extrusion groove.
Compared with the prior art, the technical scheme disclosed by the utility model has the beneficial effects that:
The spray head assembly is adsorbed on the extrusion support through the cooperation of the first adsorption magnet and the second adsorption magnet, so that the spray head assembly is convenient to detach and mount, and the spray head assembly is convenient to replace and clean.
Drawings
FIG. 1 is a schematic view of a print head;
FIG. 2 is an exploded view of the extrusion mechanism;
FIG. 3 is a schematic view of the structure of an extruded stent;
FIG. 4 is a schematic view of the structure of the support block;
FIG. 5 is a schematic structural view of a feeding mechanism;
Fig. 6 is a schematic structural view of a first extrusion wheel and a second extrusion wheel.
Detailed Description
The following description of the embodiments of the present utility model will be made with reference to the drawings in which the embodiments of the present utility model are clearly and fully described, it should be noted that when one component is considered to be "connected" to another component, it may be directly connected to the other component, or there may be an intervening component at the same time. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. It should also be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless otherwise specifically defined and limited; either mechanically or electrically, or by communication between two components. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
It should be further noted that, in the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, the utility model discloses a printing nozzle 100 of a 3D printer, which is convenient to replace, and comprises a feeding mechanism 10 and an extrusion mechanism 20, wherein the feeding mechanism 10 is used for conveying consumable materials, and after the consumable materials are conveyed to the extrusion mechanism 20, the extrusion mechanism 20 heats and melts the consumable materials and then extrudes the consumable materials.
The feeding mechanism 10 comprises a feeding bracket 11 and a driving assembly, wherein the driving assembly is connected with the feeding bracket 11 and used for conveying consumable materials.
As shown in fig. 2 to 4, the extruding mechanism 20 includes an extruding bracket 21, a nozzle assembly 27 and a heat dissipating assembly 26, the feeding bracket 10 is fixed above the extruding bracket 21, the extruding bracket 21 is provided with a mounting hole 212 with a downward opening, and the top end of the nozzle assembly 27 can extend into the mounting hole 212; the nozzle assembly 27 is provided with a protruding portion 254, a first adsorption magnet 251 is arranged on the protruding portion 254, a second adsorption magnet 213 is arranged at the bottom end of the extrusion bracket 21, and the first adsorption magnet 251 and the second adsorption magnet 213 are attracted to connect the nozzle assembly 27 to the extrusion bracket 21; the heat sink assembly 27 is secured to the extrusion mount 21. When the spray head assembly 27 is installed, the spray head assembly 27 is adsorbed on the extrusion bracket 21 through the matching of the first adsorption magnet 251 and the second adsorption magnet 213, so that the spray head assembly 27 is convenient to detach and install, and the spray head assembly 27 is convenient to replace and clean.
Further, the nozzle assembly 27 includes a heat dissipating member 23, an extrusion tube 24, a supporting block 25, and an extrusion head 22, wherein the supporting block 25 is located below the heat dissipating member 23 and fixedly connected to the heat dissipating member 23, the top end of the extrusion tube 24 is connected to the heat dissipating member 23, the bottom end of the extrusion tube 24 extends into the supporting block 25, and the extrusion head 22 is fixed to the bottom end of the supporting block 25 and is communicated with the bottom end of the extrusion tube 24.
Further, the heat dissipation part 23 extends into the mounting hole 212 to be fixedly connected with the extrusion bracket 21, a material passing hole 211 is formed in the top end of the heat dissipation part 23, and consumable materials extend into the extrusion pipe 24 through the material passing hole 211. The feeding mechanism 10 drives the consumable to move downwards, so that the consumable enters the extrusion pipe 24 through the material passing hole 211.
Further, the supporting block 25 is located below the extrusion bracket 21, the protruding portion 254 is disposed on the supporting block 25 and located at one side of the supporting block 25, and the first attracting magnet 251 is attached to an upper surface of the protruding portion 254.
Further, a clamping groove 252 is provided in the protruding portion 254, and a heating rod (not shown) is clamped and fixed in the clamping groove 252, and the heating rod is located below the first adsorption magnet 251. The bottom end of the extrusion tube 24 extends into the support block 25, and the heating rod can heat and melt the consumable in the extrusion tube 24 during operation, and then extrude the consumable through the extrusion head 22.
Further, a heat-insulating ceramic patch 253 is disposed between the first attracting magnet 251 and the upper surface of the protruding portion 254, and the heat is isolated by the heat-insulating ceramic sheet 253, so that the heat transferred to the first attracting magnet 251 is reduced, and the demagnetizing of the first attracting magnet 251 is prevented.
Further, the extrusion bracket 21 is provided with a heat dissipation hole 214, the heat dissipation hole 214 is located at one side of the heat dissipation member 23, the heat dissipation assembly 26 includes a first heat dissipation fan 261, the first heat dissipation fan 261 is located at the outer side of the heat dissipation hole 214, and when the first heat dissipation fan 261 works, heat generated by the heat dissipation member 23 can be dissipated.
The two sides of the extrusion head 22 are respectively provided with a cooling air duct 215, the blowing direction of the cooling air duct 215 is located right below the extrusion head 22, and the air inlet end of the cooling air duct 215 is provided with a turbine fan 262.
Two cooling protrusions 216 are arranged on the extrusion support 21, the two cooling protrusions 216 are symmetrically arranged on two sides of the extrusion head 22, the cooling air duct 215 is arranged on the cooling protrusions 216, an air inlet end of the cooling air duct 215 penetrates through the upper surface of the cooling protrusions 216, and an air outlet end of the cooling air duct 215 is positioned on the side surface of the cooling protrusions 216, which is close to the extrusion head 22; the turbo fan 262 is fixed to an upper surface of the cooling protrusion 216. When the turbo fan 262 works, wind can be transmitted to the lower part of the extrusion head 22 through the cooling air duct 215, and the consumable extruded by the extrusion head 22 is cooled and solidified.
As shown in fig. 5 and 6, further, the driving assembly includes a driving motor 12, a first driving gear 13, a second driving gear 14, a first extrusion wheel 15, and a second extrusion wheel 16, the first extrusion wheel 15 and the second extrusion wheel 16 are rotatably connected with the feeding support 11, and the first extrusion wheel 15 and the second extrusion wheel 16 are engaged through a gear structure; the second driving gear 14 is fixedly connected with the first extrusion wheel 15, the first driving gear 13 is meshed with the second driving gear 14, and the driving motor 12 can drive the first driving gear 13 to rotate; the first extrusion wheel 15 is provided with a first extrusion groove 151, the second extrusion wheel 16 is provided with a second extrusion groove 161, and consumable materials penetrate through a driving gap formed by the cooperation of the first extrusion groove 151 and the second extrusion groove 161. During operation, the driving motor 12 drives the first driving gear 13 to rotate, the first driving gear 13 drives the second driving gear 14 to rotate, the second driving gear 14 drives the first extruding wheel 15 to rotate, the first extruding wheel 15 drives the second extruding wheel 16 to rotate, and during operation of the first extruding wheel 15 and the second extruding wheel 16, consumable materials are conveyed through cooperation of the first extruding groove 151 and the second extruding groove 161.
The present utility model can be embodied in various forms and modifications without departing from the broad spirit and scope of the utility model, and the above-described embodiments are intended to be illustrative of the utility model, but not limiting the scope of the utility model.
Claims (10)
1. 3D printer print shower nozzle convenient to change, its characterized in that includes:
the feeding mechanism comprises a feeding bracket and a driving assembly, and the driving assembly is connected with the feeding bracket and used for conveying consumable materials;
The extrusion mechanism comprises an extrusion bracket, a spray head assembly and a heat dissipation assembly, wherein the feeding bracket is fixed above the extrusion bracket, the extrusion bracket is provided with a mounting hole with a downward opening, and the top end of the spray head assembly can extend into the mounting hole; the spray head assembly is provided with a protruding part, a first adsorption magnet is arranged on the protruding part, a second adsorption magnet is arranged at the bottom end of the extrusion support, and the first adsorption magnet and the second adsorption magnet are attracted to connect the spray head assembly with the extrusion support;
The heat dissipation assembly is fixed on the extrusion bracket.
2. The printing nozzle of the 3D printer convenient to replace according to claim 1, wherein the nozzle assembly comprises a heat radiating member, an extrusion pipe, a supporting block and an extrusion head, the supporting block is located below the heat radiating member and fixedly connected with the heat radiating member, the top end of the extrusion pipe is connected with the heat radiating member, the bottom end of the extrusion pipe extends into the supporting block, and the extrusion head is fixed to the bottom end of the supporting block and is communicated with the bottom end of the extrusion pipe.
3. The printing nozzle of the 3D printer convenient to replace according to claim 2, wherein the heat dissipation part extends into the mounting hole and is fixedly connected with the extrusion bracket, a material passing hole is formed in the top end of the heat dissipation part, and consumable materials extend into the extrusion pipe through the material passing hole.
4. The printing head of claim 2, wherein the support block is located below the extrusion support, the boss is disposed on the support block and located on one side of the support block, and the first attracting magnet is attached to an upper surface of the boss.
5. The printing nozzle of the 3D printer convenient to replace according to claim 4, wherein a clamping groove is formed in the protruding portion, a heating rod is clamped and fixed in the clamping groove, and the heating rod is located below the first adsorption magnet.
6. The printing head of claim 5, wherein a thermal insulating ceramic patch is disposed between the first attracting magnet and the upper surface of the boss.
7. The printing nozzle of the 3D printer convenient to replace according to claim 6, wherein the extrusion support is provided with a heat dissipation hole, the heat dissipation hole is located at one side of the heat dissipation piece, the heat dissipation assembly comprises a first heat dissipation fan, and the first heat dissipation fan is located at the outer side of the heat dissipation hole.
8. The printing nozzle of the 3D printer convenient to replace according to claim 7, wherein cooling air channels are respectively arranged on two sides of the extrusion head, the blowing direction of the cooling air channels is located under the extrusion head, and a turbine fan is arranged at the air inlet end of the cooling air channels.
9. The printing nozzle of the 3D printer convenient to replace according to claim 8, wherein two cooling protrusions are arranged on the extrusion support, the two cooling protrusions are symmetrically arranged on two sides of the extrusion head, the cooling air duct is arranged on the cooling protrusions, an air inlet end of the cooling air duct penetrates through the upper surfaces of the cooling protrusions, and an air outlet end of the cooling air duct is positioned on the side surface, close to the extrusion head, of the cooling protrusions; the turbine fan is fixed on the upper surface of the cooling protrusion.
10. The 3D printer head of claim 1, wherein the drive assembly comprises a drive motor, a first drive gear, a second drive gear, a first extrusion wheel, and a second extrusion wheel, wherein the first extrusion wheel and the second extrusion wheel are both rotatably connected to the feed support, and wherein the first extrusion wheel and the second extrusion wheel are engaged by a gear structure; the second driving gear is fixedly connected with the first extrusion wheel, the first driving gear is meshed with the second driving gear, and the driving motor can drive the first driving gear to rotate;
The first extrusion wheel is provided with a first extrusion groove, the second extrusion wheel is provided with a second extrusion groove, and consumable materials penetrate through a driving gap formed by the cooperation of the first extrusion groove and the second extrusion groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323023442.1U CN221067204U (en) | 2023-11-09 | 2023-11-09 | 3D printer print shower nozzle convenient to change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323023442.1U CN221067204U (en) | 2023-11-09 | 2023-11-09 | 3D printer print shower nozzle convenient to change |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221067204U true CN221067204U (en) | 2024-06-04 |
Family
ID=91265333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323023442.1U Active CN221067204U (en) | 2023-11-09 | 2023-11-09 | 3D printer print shower nozzle convenient to change |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221067204U (en) |
-
2023
- 2023-11-09 CN CN202323023442.1U patent/CN221067204U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |