CN106671409A - Radiating nozzle of 3D printer - Google Patents
Radiating nozzle of 3D printer Download PDFInfo
- Publication number
- CN106671409A CN106671409A CN201710182236.5A CN201710182236A CN106671409A CN 106671409 A CN106671409 A CN 106671409A CN 201710182236 A CN201710182236 A CN 201710182236A CN 106671409 A CN106671409 A CN 106671409A
- Authority
- CN
- China
- Prior art keywords
- radiating
- nozzle
- radiating groove
- printer
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 claims abstract description 42
- 239000007921 spray Substances 0.000 claims description 36
- 230000017525 heat dissipation Effects 0.000 claims description 17
- 238000007664 blowing Methods 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 abstract description 5
- 238000010146 3D printing Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- -1 end Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/16—Cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/16—Cooling
- B29C2035/1658—Cooling using gas
- B29C2035/1666—Cooling using gas dried air
Abstract
The invention relates to a radiating nozzle of a 3D printer and belongs to the technical field of parts of 3D printing equipment. The radiating nozzle comprises a sprayer, an air supply apparatus and a sleeve, wherein a spraying channel is arranged in the sprayer; a radiating groove is formed in the outer side of the side wall of the spraying channel and radiates in the outlet direction of the spraying channel; the air supply apparatus is used for supplying air to the radiating groove; and the sleeve is arranged on the sprayer in a sleeving manner and is matched with the radiating groove to form a radiating channel. The structure can directly form the radiating channel on the surface of the nozzle to prolong the time that air flow passes through the nozzle and improve the radiating efficiency of the nozzle; as the divergent radiating channel is adopted to synchronously cool the periphery of the spraying channel more uniformly, the radiating efficiency is improved, and blockage caused by excessive reduction of local temperature is avoided. The air-out direction of an air outlet of the radiating channel is the same as the spraying direction of the sprayer; the air at the back of a cooling sprayer is used for preheating, softening and dedusting a to-be-sprayed part so as to ensure adhesion firmness of materials sprayed one after another.
Description
Technical field
The present invention relates to a kind of radiating nozzle of 3D printer, belong to 3D printing equipment component technical field.
Background technology
3D printing technique is a class rapid prototyping ＆ manufacturing technology fast-developing in recent years, and it is with computer technology as base
Plinth, by the way that software hierarchy is discrete and numerical control molding system, using modes such as high energy laser beam, hot melt nozzles by metal, ceramic powder
The materials such as end, plastics and cell tissue are successively piled up the manufacture method of molding bonded.At present, in 3D printing technique field
The most widely used to be known as Deformation In The Fdm Process, i.e. FDM modes, it is mainly and is transported to thermal plastic high polymer wire rod
High temperature print head, by wire rod melt and continuously extrusion melt macromolecule, and under being accurately positioned by way of successively piling up structure
Build three bodies.But while material molten, high temperature can be also conducted to nozzle chamber, such as greatly to uniform temperature in cavity,
Material begins to softening transform in cavity, the final precision of this printer model for not only influencing whether, is also possible to lead when serious
Cause printer head to block, cause printer failure.Method conventional at present be arranging cooling fan on the outside of nozzle chamber,
Forced heat radiation is carried out by accelerating air flow, but this mode is only capable of blowing to the half of nozzle chamber, and air velocity
Inequality, easily makes nozzle chamber radiate uneven, and inside cavity still has the phenomenon of overheat, can not fully effective cut-off add
The diffusion of hot block heat.The use of single radiator fan simultaneously, also can bring certain vibration to printer nozzle, and influence is final
The Forming Quality of model.
The content of the invention
It is an object of the invention to：For above-mentioned problem, there is provided a kind of radiating nozzle of 3D printer, extend gas
Flow the radiating efficiency and the radiating uniformity that nozzle is improved by the time of nozzle, it is to avoid the excessive thing for causing of local temperature reduction
Material is blocked.
The technical solution adopted by the present invention is as follows：
It is logical with material spray in shower nozzle the invention discloses a kind of radiating nozzle of 3D printer, including shower nozzle, blower and sleeve pipe
Road, radiating groove is provided with the outside of the wall of spray material channels side, and the radiating groove dissipates to spray material channels Way out；Blower is used for scattered
Heat channel is blown, and sleeve pipe is placed on shower nozzle and coordinates radiating groove to form heat dissipation channel.Heat dissipation channel is divided into multistage radiating branch groove, each
Level is respectively provided with the quantity of the radiating branch groove more than upper level, is arranged in juxtaposition with the radiating branch groove of one-level, the radiating branch of adjacent level
Groove is interconnected.
The structure directly can form heat dissipation channel on the surface of nozzle, and extension air-flow improves spray by the time of nozzle
The radiating efficiency of mouth, because the heat dissipation channel using divergent shape can more uniformly to synchronously lowering the temperature around spray material channels be carried
High cooling efficiency and the feed blocking for avoiding local temperature reduction from excessively causing.
Further, the air-out direction at the air outlet of the heat dissipation channel is identical with the material spray direction of shower nozzle.The structure by
In can shower nozzle material spray end face formed air stream outlet, can using the air after cooling spray treat material spray position carry out it is pre-
Heat, softening and dedusting, are effectively ensured the adhesion fastness of the material for successively spraying, and being designed to of the structure ensures new ejection
Adhesion of the material on existing printer model.
Further, the madial wall covering of described sleeve pipe and the notch of sealed heat-dissipating groove.The structure is by the adjacent groove of same one-level
Isolation, so that effectively uniform air flow flow direction, it is to avoid the generation of the random air-flow of wadding.
Further, the radiating groove has branched structure, has rectangular preiection in bifurcation, when air-flow is through the rectangular preiection
Local eddy currents can be formed.Strengthen radiating effect by local eddy currents.
Further, radiating groove has the branched structure of multiple stackings and in tree-shaped.
Further, there is multigroup radiating groove in the outside of spray material channels side wall, in the spray material channels side wall of correspondence blower
Outside there is gather qi together chamber, gather qi together chamber connects multigroup radiating groove and is simultaneously transferred in radiating groove the air-flow of blower respectively.By poly-
Air cavity carries out airflow diversion, improves the uniformity of shunting, meanwhile, it is convenient to air-supply and installs inverse with blower exit air-flow
Stream.
Further, the shower nozzle includes tube and connecting portion, and connecting portion is in the form of annular discs and one end positioned at tube, dissipates
Heat channel is located on the lateral wall of tube, and radiating groove is in divergent shape back on the direction of connecting portion, and sleeve pipe cooperation is placed on tubulose
The outside in portion.
The top-down processing quantity of nozzle increases step by step, the groove that width is reduced step by step, and the quantity of groove is more, is classified more
Then radiating effect is better, and processing charges is also in direct ratio soaring, the total three-level in microchannel of being radiated in this example.At the notch of groove
Cover sleeve pipe or by the mode securing cover plate such as soldering, radiating groove is constituted into the passage for radiating.
Further, the lateral wall of tube has gather qi together chamber, and gather qi together chamber connects multigroup radiating groove；There is blower laminating to manage
The housing of shape portion lateral wall, the bucket-shaped air outlet of its tool of blowing, air outlet is to the gather qi together chamber；Sleeve pipe is placed on tube
Outside simultaneously forms heat dissipation channel, the air-out direction in the exit of heat dissipation channel and the material spray direction phase of shower nozzle in the inner side of sleeve pipe
Together.
On the upside of nozzle chamber, i.e., radiating groove is machined with a larger circular groove i.e. away from the one-level central part of outlet
Gather qi together chamber, this gather qi together chamber and radiator fan central alignment, with the rotation of radiator fan, air accelerates to flow along heat dissipation channel,
The high temperature on the downside of nozzle chamber is extracted out as early as possible by way of convection current.
Further, in two blowers that are symmetrically arranged on two with of tube, two blowers are respectively to that should have a tubulose
Gather qi together chamber on the wall of portion side, gather qi together chamber is respectively communicated with two groups of radiating grooves, and radiating groove is the branch-like structure of stacking.Blower is symmetrical
Two are disposed with, radiator fan is fitted with tube excircle, by rational type selecting and control, can be applied two blowers
The perturbed force being added on nozzle is equal in magnitude, in the opposite direction to balance out the disturbance that radiator fan brings nozzle, improves impression block
The precision of type.
Further, the depth of the radiating groove is the 30%-50% of spray material channels sidewall thickness, at the side wall of radiating groove or bottom
There is squamous burr on wall.
In sum, by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1. the structure directly can form heat dissipation channel on the surface of nozzle, and extension air-flow improves nozzle by the time of nozzle
Radiating efficiency, because the heat dissipation channel using divergent shape can more uniformly to synchronously lowering the temperature around spray material channels be improved
Radiating efficiency and the blocking for avoiding local temperature reduction from excessively causing；
2. the application can treat material spray position and be preheated, softens and dedusting using the air after cooling spray, be effectively ensured
The adhesion fastness of the material for successively spraying, the material for being designed to ensure new ejection of the structure is viscous on existing printer model
Even.
Brief description of the drawings
Fig. 1 is the fragmentary cross-sectional view of the radiating nozzle of 3D printer；
Fig. 2 is the underside view of the radiating nozzle of 3D printer；
Fig. 3 is the front view of the radiating nozzle of 3D printer；
Fig. 4 is the front view of the shower nozzle of 3D printer；
Fig. 5 is the structure chart of the blower of 3D printer.
Marked in figure：1- shower nozzles, 11- spray material channels, 12- connecting holes, 13- gather qi togethers chamber, 14- radiating grooves, 2- blowers, 3-
Sleeve pipe.
Specific embodiment
Embodiment 1
As Figure 1-5, a kind of radiating nozzle of 3D printer of the invention, including shower nozzle 1, blower 2 and sleeve pipe 3, shower nozzle 1
Interior to be provided with radiating groove 14 on the outside of the side wall of spray material channels 11 with spray material channels 11, the radiating groove 14 is exported to spray material channels 11
Directional divergence；Blower 2 is used to be blown to radiating groove 14, and sleeve pipe 3 is placed on shower nozzle 1 and coordinates radiating groove 14 to form radiating and leads to
Road.Air-out direction at the air outlet of heat dissipation channel is identical with the material spray direction of shower nozzle 1.The madial wall of sleeve pipe 3 is covered and sealed
The notch of radiating groove 14.Radiating groove 14 has branched structure, has rectangular preiection in bifurcation, when air-flow is through the rectangular preiection
Local eddy currents can be formed.Radiating groove 14 has the branched structure of multiple stackings, and the branched structure can use arborizations structure.
The outside of the side wall of spray material channels 11 has multigroup radiating groove 14, has in the outside of the side wall of spray material channels 11 of correspondence blower 2
Gather qi together chamber 13, gather qi together chamber 13 connects multigroup radiating groove 14 and the air-flow of blower 2 is transferred in radiating groove 14 respectively.
Embodiment 2
It is logical with material spray in a kind of radiating nozzle of 3D printer of the invention, including shower nozzle 1, blower 2 and sleeve pipe 3, shower nozzle 1
Road 11, radiating groove 14 is provided with the outside of the side wall of spray material channels 11, and the radiating groove 14 dissipates to the Way out of spray material channels 11；Air-supply
Device 2 is used to be blown to radiating groove 14, and sleeve pipe 3 is placed on shower nozzle 1 and coordinates radiating groove 14 to form heat dissipation channel.Shower nozzle 1 includes pipe
Shape portion and connecting portion, connecting portion is in the form of annular discs and one end positioned at tube, and radiating groove 14 is located on the lateral wall of tube, and
Radiating groove 14 is in divergent shape back on the direction of connecting portion, and sleeve pipe 3 coordinates the outside for being placed on tube.
The lateral wall of tube has gather qi together chamber 13, and gather qi together chamber 13 connects multigroup radiating groove 14；There is blower 2 laminating to manage
The housing of shape portion lateral wall, the bucket-shaped air outlet of its tool of blowing, air outlet is to the gather qi together chamber 13；Sleeve pipe 3 is placed on tubulose
The outside in portion simultaneously forms heat dissipation channel, the air-out direction in the exit of heat dissipation channel and the material spray side of shower nozzle 1 in the inner side of sleeve pipe 3
To identical.In two blowers 2 that are symmetrically arranged on two with of tube, two blowers 2 are respectively to that should have a tube side wall
On gather qi together chamber 13, gather qi together chamber 13 is respectively communicated with two groups of radiating grooves 14, and radiating groove 14 is the branch-like structure of stacking.Radiating groove 14
Depth for the sidewall thickness of spray material channels 11 30%-50%, on the side wall or bottom wall of radiating groove 14 have squamous burr.
Claims (10)
1. the radiating nozzle of a kind of 3D printer, it is characterised in that including shower nozzle, blower and sleeve pipe, there is material spray in shower nozzle
Passage, radiating groove is provided with the outside of the wall of spray material channels side, and the radiating groove dissipates to spray material channels Way out；Blower be used for
Radiating groove is blown, and sleeve pipe is placed on shower nozzle and coordinates radiating groove to form heat dissipation channel.
2. the radiating nozzle of 3D printer as claimed in claim 1, it is characterised in that at the air outlet of the heat dissipation channel
Air-out direction is identical with the material spray direction of shower nozzle.
3. the radiating nozzle of 3D printer as claimed in claim 2, it is characterised in that the madial wall covering of described sleeve pipe is simultaneously close
Seal the notch of radiating groove.
4. the radiating nozzle of 3D printer as claimed in claim 1, it is characterised in that the radiating groove has branched structure,
There is rectangular preiection in bifurcation, local eddy currents can be formed when air-flow is through the rectangular preiection.
5. the radiating nozzle of 3D printer as claimed in claim 4, it is characterised in that radiating groove has the branches of multiple stackings
Structure and in tree-shaped.
6. the radiating nozzle of 3D printer as claimed in claim 4, it is characterised in that the outside of wall has in spray material channels side
Multigroup radiating groove, has gather qi together chamber in the outside of the spray material channels side wall of correspondence blower, and gather qi together chamber connects multigroup radiating groove simultaneously
The air-flow of blower is transferred in radiating groove respectively.
7. the radiating nozzle of 3D printer as claimed in claim 1, it is characterised in that the shower nozzle includes tube and connection
Portion, connecting portion is in the form of annular discs and one end positioned at tube, and radiating groove is located on the lateral wall of tube, and radiating groove back on
The direction of connecting portion is in divergent shape, and sleeve pipe coordinates the outside for being placed on tube.
8. the radiating nozzle of 3D printer as claimed in claim 7, it is characterised in that the lateral wall of tube has gather qi together
Chamber, gather qi together chamber connects multigroup radiating groove；Blower has the housing of laminating tube lateral wall, and its tool of blowing bucket-shaped goes out
Air port, air outlet is to the gather qi together chamber；Sleeve pipe is placed on the outside of tube and forms heat dissipation channel in the inner side of sleeve pipe, and radiating is logical
The air-out direction in the exit in road is identical with the material spray direction of shower nozzle.
9. the radiating nozzle of 3D printer as claimed in claim 8, it is characterised in that be symmetrically arranged on two with two in tube
Individual blower, respectively to that should have the gather qi together chamber on a tube side wall, gather qi together chamber is respectively communicated with two groups of radiatings to two blowers
Groove, radiating groove is the branch-like structure of stacking.
10. the radiating nozzle of 3D printer as claimed in claim 1, it is characterised in that the depth of the radiating groove is material spray
The 30%-50% of channel side wall thickness, has squamous burr on the side wall or bottom wall of radiating groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710182236.5A CN106671409A (en) | 2017-03-24 | 2017-03-24 | Radiating nozzle of 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710182236.5A CN106671409A (en) | 2017-03-24 | 2017-03-24 | Radiating nozzle of 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106671409A true CN106671409A (en) | 2017-05-17 |
Family
ID=58829225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710182236.5A Pending CN106671409A (en) | 2017-03-24 | 2017-03-24 | Radiating nozzle of 3D printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106671409A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107718543A (en) * | 2017-10-24 | 2018-02-23 | 广西大学 | A kind of early molten protector of 3D printing material silk softening |
| US10875242B2 (en) * | 2017-05-12 | 2020-12-29 | Seiko Epson Corporation | Three-dimensional modeling apparatuses and methods for fabricating three-dimensional objects |
| US10919223B2 (en) | 2017-10-03 | 2021-02-16 | Jabil Inc. | Apparatus, system and method for an additive manufacturing print head |
| US11458683B2 (en) | 2017-10-03 | 2022-10-04 | Jabil Inc. | Apparatus, system and method of operating an additive manufacturing nozzle |
| US11485088B2 (en) | 2017-10-03 | 2022-11-01 | Jabil Inc. | Apparatus, system and method of process monitoring and control in an additive manufacturing environment |
| US11969948B2 (en) | 2021-08-04 | 2024-04-30 | Jabil Inc. | Apparatus, system and method of process monitoring and control in an additive manufacturing environment |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10875242B2 (en) * | 2017-05-12 | 2020-12-29 | Seiko Epson Corporation | Three-dimensional modeling apparatuses and methods for fabricating three-dimensional objects |
| US11654630B2 (en) | 2017-10-03 | 2023-05-23 | Jabil Inc. | Apparatus, system and method of operating an additive manufacturing nozzle |
| US11840019B2 (en) | 2017-10-03 | 2023-12-12 | Jabil Inc. | Apparatus, system and method of operating an additive manufacturing nozzle |
| US10919221B2 (en) | 2017-10-03 | 2021-02-16 | Jabil Inc. | Apparatus, system and method for an additive manufacturing print head |
| US11420385B2 (en) | 2017-10-03 | 2022-08-23 | Jabil Inc. | Apparatus, system and method for an additive manufacturing print head |
| US11458683B2 (en) | 2017-10-03 | 2022-10-04 | Jabil Inc. | Apparatus, system and method of operating an additive manufacturing nozzle |
| US11485088B2 (en) | 2017-10-03 | 2022-11-01 | Jabil Inc. | Apparatus, system and method of process monitoring and control in an additive manufacturing environment |
| US10919223B2 (en) | 2017-10-03 | 2021-02-16 | Jabil Inc. | Apparatus, system and method for an additive manufacturing print head |
| US11878469B2 (en) | 2017-10-03 | 2024-01-23 | Jabil Inc. | Apparatus, system and method of operating an additive manufacturing nozzle |
| US11584078B2 (en) | 2017-10-03 | 2023-02-21 | Jabil Inc. | Apparatus, system and method of operating an additive manufacturing nozzle |
| US11845223B2 (en) | 2017-10-03 | 2023-12-19 | Jabil Inc. | Apparatus, system and method of operating an additive manufacturing nozzle |
| US11865778B2 (en) | 2017-10-03 | 2024-01-09 | Jabil Inc. | Apparatus, system and method for an additive manufacturing print head |
| US11872762B2 (en) | 2017-10-03 | 2024-01-16 | Jabil Inc. | Apparatus, system and method of operating an additive manufacturing nozzle |
| US11878468B2 (en) | 2017-10-03 | 2024-01-23 | Jabil Inc. | Apparatus, system and method of operating an additive manufacturing nozzle |
| CN107718543A (en) * | 2017-10-24 | 2018-02-23 | 广西大学 | A kind of early molten protector of 3D printing material silk softening |
| US11969948B2 (en) | 2021-08-04 | 2024-04-30 | Jabil Inc. | Apparatus, system and method of process monitoring and control in an additive manufacturing environment |
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Application publication date: 20170517 |