CN216506775U - A nozzle device for 3D prints - Google Patents
A nozzle device for 3D prints Download PDFInfo
- Publication number
- CN216506775U CN216506775U CN202122993533.2U CN202122993533U CN216506775U CN 216506775 U CN216506775 U CN 216506775U CN 202122993533 U CN202122993533 U CN 202122993533U CN 216506775 U CN216506775 U CN 216506775U
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- Prior art keywords
- pipe
- nozzle
- radiator
- straight
- printing
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- 239000000463 material Substances 0.000 claims abstract description 54
- 238000007639 printing Methods 0.000 claims abstract description 47
- 239000007787 solid Substances 0.000 claims abstract description 47
- 238000010438 heat treatment Methods 0.000 claims abstract description 38
- 238000001816 cooling Methods 0.000 claims abstract description 25
- 238000010146 3D printing Methods 0.000 claims abstract description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000002826 coolant Substances 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 19
- 238000009966 trimming Methods 0.000 abstract description 8
- 239000003086 colorant Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Abstract
The utility model provides a nozzle device for 3D printing, which comprises a first feeding pipe, wherein one end of the first feeding pipe is connected with a solid model material source, and the other end of the first feeding pipe is connected with a first pipe side inlet of a radiator; one end of the second feeding pipe is connected with a material source of the supporting component, and the other end of the second feeding pipe is connected with a second pipe side inlet of the radiator; a first pipe side outlet of the radiator is connected with one end of a first straight pipe, and the other end of the first straight pipe is connected with a first nozzle; a second pipe side outlet of the radiator is connected with one end of a second straight-through pipe, and the other end of the second straight-through pipe is connected with a second nozzle; a cooling working medium is introduced to the shell side of the radiator; the first heating block is sleeved on the outer side of the first straight-through pipe, and the second heating block is sleeved on the outer side of the second straight-through pipe; the method realizes the obvious division of different areas of the 3D model, and avoids the damage of the trimming process to the entity model part; meanwhile, the phenomenon that the material is overheated and naturally flows out through a nozzle is avoided, and the accuracy of the printing process is ensured.
Description
Technical Field
The utility model belongs to the technical field of 3D printing, and particularly relates to a nozzle device for 3D printing.
Background
At present, 3D printing technology is gradually mature; the manufacturing technology is based on a digital model, and the material is piled layer by layer to manufacture a solid object; the method is related to the industries of aerospace, automobiles, medical treatment, consumer goods, education and the like, and particularly in some industrial fields, higher requirements are provided for manufacturing large-size complex precision components such as titanium alloy, high-strength steel, high-temperature alloy, aluminum alloy and the like.
In the existing 3d printing product, an initial designer often adds a support at certain key positions to avoid the deformation of the printed product due to stress concentration or to ensure the printing quality for the consistency of printing; after printing is finished, the supports are manually cut off, and the printing efficiency is greatly reduced in the process; however, in the face of some smaller sized prints, the trimming support is very likely to damage the printed solid model. Therefore, a key technology which has a simple structure and is easy to distinguish the printing solid model from the supporting component is urgently needed.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems in the prior art, the utility model provides a nozzle device for 3D printing, which aims to solve the technical problems that in the existing 3D printing process, a solid model and a supporting component cannot be distinguished, the process of trimming the supporting component is difficult to damage, and the solid model is easy to damage.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the utility model provides a nozzle device for 3D printing, which comprises a first feeding pipe, a second feeding pipe, a radiator, a first straight-through pipe, a second straight-through pipe, a first heating block, a second heating block, a first nozzle and a second nozzle, wherein the first feeding pipe is connected with the first straight-through pipe; one end of the first feeding pipe is connected with the solid model material source, and the other end of the first feeding pipe is connected with a first pipe side inlet of the radiator; one end of the second feeding pipe is connected with the material source of the supporting component, and the other end of the second feeding pipe is connected with a second pipe side inlet of the radiator;
the outlet of the first pipe side of the radiator is connected with one end of a first straight-through pipe, and the other end of the first straight-through pipe is connected with a first nozzle; the outlet of the second pipe side of the radiator is connected with one end of a second straight-through pipe, and the other end of the second straight-through pipe is connected with a second nozzle;
a cooling working medium is communicated with the shell side of the radiator; the first heating block is sleeved on the outer side of the first straight-through pipe, and the second heating block is sleeved on the outer side of the second straight-through pipe.
Furthermore, a shell side inlet of the radiator is connected with a cooling working medium source, and a shell side outlet of the radiator is connected with a cooling working medium circulating device; and the cooling working medium circulating device is used for refrigerating the cooling working medium subjected to heat exchange, and the refrigerated cooling working medium is introduced into the cooling working medium source.
Furthermore, the first heating block and the second heating block are both copper heat conduction blocks; a plurality of heating holes are uniformly formed in the copper heat conduction block; each heating hole is provided with a thermal resistor, and the power supply end of each thermal resistor is connected with an external power supply.
Further, the material source of the solid model stores a material for printing the solid, and the material source of the support component stores a material for printing the support component.
Further, the material for printing the solid body is different in color from the material for printing the support member.
Further, a first pipe joint is arranged between the first feeding pipe and a first pipe side inlet of the radiator; one end of the first pipe joint is communicated with the first feeding pipe, and the other end of the first pipe joint is communicated with a first pipe side inlet of the radiator.
Further, a second pipe joint is arranged between the second feeding pipe and a second pipe side inlet of the radiator; one end of the second pipe joint is communicated with the second feeding pipe, and the other end of the second pipe joint is communicated with a second pipe side inlet of the radiator.
Further, a first electromagnetic valve switch is arranged on the first nozzle, and a second electromagnetic valve switch is arranged on the second nozzle; the first electromagnetic valve switch and the second electromagnetic valve switch are arranged in an interlocking mode.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides a nozzle device for 3D printing, which is characterized in that two nozzles are arranged and are respectively connected with a solid model material source and a support component material source through pipelines, a solid model material is used for printing a solid model, and a support component material is used for printing the support component, so that the different areas of the 3D model are obviously divided, the support component is convenient to trim, and the damage to the solid model part in the trimming process is avoided; meanwhile, due to the arrangement of the radiator, the situation that materials are overheated and naturally flow out through the nozzle is avoided, and the accuracy of the printing process is ensured.
Furthermore, the shell side outlet of the radiator is connected with the cooling working medium circulating device, so that the cyclic utilization of the cooling working medium is realized.
Furthermore, the heating block is a copper heat conduction block, so that the heat conduction efficiency is high, and the temperature control precision is good.
Furthermore, the material used for printing the solid model and the material used for printing the supporting component are distinguished by different colors, so that the identification degree of the supporting component is improved, and the accuracy of the trimming process of the supporting component is ensured.
Furthermore, the pipe joint is arranged between the feeding pipe and the pipe side inlet of the radiator, so that the connection reliability between the feeding pipe and the radiator is improved.
Furthermore, the nozzles are provided with the electromagnetic valve switches, and the electromagnetic valve switches on the two nozzles are arranged in an interlocking manner, so that the accuracy of solid model printing and supporting component printing is ensured.
Drawings
Fig. 1 is a front view of a nozzle device for 3D printing according to an embodiment;
fig. 2 is a side view of a nozzle device for 3D printing according to an embodiment.
The device comprises a first feeding pipe 1, a second feeding pipe 2, a first pipe joint 3, a second pipe joint 4, a radiator 5, a first straight-through pipe 6, a second straight-through pipe 7, a first heating block 8, a second heating block 9, a first nozzle 10, a second nozzle 11 and a thermal resistor 12.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects of the present invention more apparent, the following embodiments further describe the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
The utility model provides a nozzle device for 3D printing, which comprises a first feeding pipe 1, a second feeding pipe 2, a first pipe joint 3, a second pipe joint 4, a radiator 5, a first straight pipe 6, a second straight pipe 7, a first heating block 8, a second heating block 9, a first nozzle 10 and a second nozzle 11.
One end of a first feeding pipe 1 is connected with a solid model material source, and the other end of the first feeding pipe 1 is connected with one end of a first pipe joint 3; the other end of the first pipe joint 3 is connected with a first pipe side inlet of the radiator 5; one end of the second feeding pipe 2 is connected with a material source of the supporting component, and the other end of the second feeding pipe 2 is connected with one end of a second pipe joint 4; the other end of the second pipe joint is connected to a second pipe-side inlet of the radiator 5.
A first pipe side outlet of the radiator 5 is connected with one end of a first straight bobbin 6, and the other end of the first straight bobbin 6 is connected with a first nozzle 10; a second-tube-side outlet of the radiator 5 is connected to one end of the second straight-through tube 7, and the other end of the second straight-through tube 7 is connected to the second nozzle 11.
A cooling working medium is introduced to the shell side of the radiator 5; the first heating block 8 is sleeved on the outer side of the first straight-through pipe 6, and the second heating block 9 is sleeved on the outer side of the second straight-through pipe 7.
According to the nozzle device for 3D printing, the two nozzles are arranged and are respectively connected with the solid model material source and the support component material source through the pipelines, the solid model material is used for printing the solid model, and the support component material is used for printing the support component, so that the different areas of the 3D model are obviously divided, the support component is convenient to trim, and the damage to the solid model part in the trimming process is avoided; meanwhile, due to the arrangement of the radiator, the situation that materials are overheated and naturally flow out through the nozzle is avoided, and the accuracy of the printing process is ensured.
Examples
As shown in fig. 1-2, the present embodiment provides a nozzle device for 3D printing, which includes a first feeding tube 1, a second feeding tube 2, a first pipe joint 3, a second pipe joint 4, a heat sink 5, a first straight pipe 6, a second straight pipe 7, a first heating block 8, a second heating block 9, a first nozzle 10, and a second nozzle 11.
One end of a first feeding pipe 1 is connected with a solid model material source, and the other end of the first feeding pipe 1 is connected with one end of a first pipe joint 3; the other end of the first pipe joint 3 is connected with a first pipe side inlet of the radiator 5; one end of the second feeding pipe 2 is connected with a material source of the supporting component, and the other end of the second feeding pipe 2 is connected with one end of a second pipe joint 4; the other end of the second pipe joint is connected with a second pipe side inlet of the radiator 5; the pipe joint is arranged between the feeding pipe and the pipe side inlet of the radiator, so that the reliability of connection between the feeding pipe and the radiator is improved.
In this embodiment, the material source of the solid model stores a material for printing the solid model, and the material source of the support assembly stores a material for printing the support assembly; the material for printing the solid model has the same material properties as the material for printing the support component, but the color of the material is different; the material used for printing the solid model and the material used for printing the supporting component are distinguished by different colors, so that the identification degree of the supporting component is improved, and the accuracy of the trimming process of the supporting component is ensured.
A first pipe side outlet of the radiator 5 is connected with one end of a first straight bobbin 6, and the other end of the first straight bobbin 6 is connected with a first nozzle 10; a second-tube-side outlet of the radiator 5 is connected to one end of the second straight-through tube 7, and the other end of the second straight-through tube 7 is connected to the second nozzle 11.
A cooling working medium is introduced to the shell side of the radiator 5; wherein, the shell side inlet of the radiator 5 is connected with a cooling working medium source, and the shell side outlet of the radiator 5 is connected with a cooling working medium circulating device; the cooling working medium circulating device is used for refrigerating the cooling working medium subjected to heat exchange, and the cooled cooling working medium is introduced into a cooling working medium source; and the shell side outlet of the radiator is connected with the cooling working medium circulating device, so that the cyclic utilization of the cooling working medium is realized.
The first heating block 8 is sleeved on the outer side of the first straight-through pipe 6, and the second heating block 9 is sleeved on the outer side of the second straight-through pipe 7; the first heating block 8 and the second heating block 9 are both copper heat conduction blocks; a plurality of heating holes are uniformly formed in the copper heat conduction block; each heating hole is respectively provided with a thermal resistor 12, and the power supply end of the thermal resistor 12 is connected with an external power supply; in this embodiment, the heating block adopts the copper heat conduction block, and heat conduction efficiency is higher, and the control by temperature change precision is good.
A first electromagnetic valve switch is arranged on the first nozzle 10, and a second electromagnetic valve switch is arranged on the second nozzle 11; the first electromagnetic valve switch and the second electromagnetic valve switch are arranged in an interlocking mode; the nozzles are provided with the electromagnetic valve switches, and the electromagnetic valve switches on the two nozzles are arranged in an interlocking mode, so that the printing accuracy of the solid model and the printing accuracy of the supporting assembly are ensured.
The using method comprises the following steps:
in this embodiment, the raw material for printing the solid model and the raw material for printing the support assembly enter through two feeding pipes respectively; the raw materials are respectively changed into liquid from solid under the heating action of the heating blocks in the two straight-through pipes and are sprayed out from nozzles at the ends of the straight-through pipes so as to realize printing of a solid structure combining the solid model and the supporting component in a working plane; wherein, the heating block adopts a thermal resistor for heating, so that the temperature reaches a preset temperature value; in the printing process, when the solid model is printed, the first nozzle is in a material spraying state, and meanwhile, the second nozzle is in a closed state; when the support component is printed, the first nozzle is in a closed state, and the second nozzle is in a material spraying state, so that the solid model and the support component are printed.
The nozzle device for 3D printing according to this embodiment prints by setting two nozzles; two nozzles are mixed with two printing raw materials with different colors through pipelines; wherein the material for printing the solid model is ejected through the first nozzle, and the material for printing the support component is ejected through the second nozzle; printing different colors of the solid model and the supporting component in the printing process; after printing is finished, manually trimming the supporting component to obtain a required entity model; the embodiment realizes the rapid resolution and separation of the solid model and the supporting component; thereby ensuring the printing quality and efficiency.
When in use, solid model materials and supporting component materials are respectively filled through the two feeding pipes; in order to ensure the printing quality, the material properties of the solid model material and the material of the supporting component of the two feeding pipes are the same, and only color difference exists; in the printing process, the solid model is printed by adopting the material of the solid model through the identification of the solid model; when the support component is printed, another nozzle is changed for spitting, so that the printed solid model and the support component are different in color, and the support component is more convenient to remove.
The nozzle device for 3D printing can distinguish different colors of the solid model and the supporting component, can prevent the solid model from being damaged in the process of shearing and supporting, accurately and quickly identifies the position of the supporting component, and ensures the processing quality; after printing is finished, the supporting component added in the printing process can be removed quickly, and after printing of the key part with the smaller size is finished, the entity model and the supporting component can be distinguished well, so that the integrity of the printed entity model is protected well.
The above-described embodiment is only one of the embodiments that can implement the technical solution of the present invention, and the scope of the present invention is not limited by the embodiment, but includes any variations, substitutions and other embodiments that can be easily conceived by those skilled in the art within the technical scope of the present invention disclosed.
Claims (7)
1. A nozzle device for 3D printing is characterized by comprising a first feeding pipe (1), a second feeding pipe (2), a radiator (5), a first straight pipe (6), a second straight pipe (7), a first heating block (8), a second heating block (9), a first nozzle (10) and a second nozzle (11); one end of the first feeding pipe (1) is connected with a solid model material source, and the other end of the first feeding pipe is connected with a first pipe side inlet of the radiator (5); one end of the second feeding pipe (2) is connected with the material source of the supporting component, and the other end of the second feeding pipe is connected with a second pipe side inlet of the radiator (5);
a first pipe side outlet of the radiator (5) is connected with one end of a first straight-through pipe (6), and the other end of the first straight-through pipe (6) is connected with a first nozzle (10); an outlet on the second pipe side of the radiator (5) is connected with one end of a second straight-through pipe (7), and the other end of the second straight-through pipe (7) is connected with a second nozzle (11);
a cooling working medium is introduced to the shell side of the radiator (5); the first heating block (8) is sleeved on the outer side of the first straight-through pipe (6), and the second heating block (9) is sleeved on the outer side of the second straight-through pipe (7).
2. A nozzle arrangement for 3D printing according to claim 1, characterized in that the shell-side inlet of the heat sink (5) is connected to a source of cooling medium and the shell-side outlet of the heat sink (5) is connected to a cooling medium circulation means; and the cooling working medium circulating device is used for refrigerating the cooling working medium subjected to heat exchange, and the refrigerated cooling working medium is introduced into the cooling working medium source.
3. A nozzle device for 3D printing according to claim 1, wherein the first heating block (8) and the second heating block (9) are both copper heat conducting blocks; a plurality of heating holes are uniformly formed in the copper heat conduction block; each heating hole is internally provided with a thermal resistor (12), and the power supply end of each thermal resistor (12) is connected with an external power supply.
4. A nozzle arrangement for 3D printing according to claim 1, wherein the material for printing the solid model is stored in a solid model material source, and the material for printing the support member is stored in a support member material source.
5. A nozzle device for 3D printing according to claim 1, characterized in that a first pipe joint (3) is provided between the first feed pipe (1) and the first pipe-side inlet of the heat sink (5); one end of the first pipe joint (3) is communicated with the first feeding pipe (1), and the other end of the first pipe joint (3) is communicated with a first pipe side inlet of the radiator (5).
6. A nozzle device for 3D printing according to claim 1, wherein a second pipe joint (4) is provided between the second feed pipe (2) and the second pipe-side inlet of the heat sink (5); one end of the second pipe joint (4) is communicated with the second feeding pipe (2), and the other end of the second pipe joint (4) is communicated with a second pipe side inlet of the radiator (5).
7. A nozzle device for 3D printing according to claim 1, characterized in that a first solenoid valve switch is arranged on the first nozzle (10) and a second solenoid valve switch is arranged on the second nozzle (11); the first electromagnetic valve switch and the second electromagnetic valve switch are arranged in an interlocking mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122993533.2U CN216506775U (en) | 2021-11-30 | 2021-11-30 | A nozzle device for 3D prints |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122993533.2U CN216506775U (en) | 2021-11-30 | 2021-11-30 | A nozzle device for 3D prints |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216506775U true CN216506775U (en) | 2022-05-13 |
Family
ID=81465903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122993533.2U Expired - Fee Related CN216506775U (en) | 2021-11-30 | 2021-11-30 | A nozzle device for 3D prints |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216506775U (en) |
-
2021
- 2021-11-30 CN CN202122993533.2U patent/CN216506775U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220513 |
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| CF01 | Termination of patent right due to non-payment of annual fee |