CN208697977U - A kind of 3D printing nozzle structure - Google Patents
A kind of 3D printing nozzle structure Download PDFInfo
- Publication number
- CN208697977U CN208697977U CN201820959395.1U CN201820959395U CN208697977U CN 208697977 U CN208697977 U CN 208697977U CN 201820959395 U CN201820959395 U CN 201820959395U CN 208697977 U CN208697977 U CN 208697977U
- Authority
- CN
- China
- Prior art keywords
- trunnion
- nozzle
- teflon pipe
- heating head
- fan
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of 3D printing nozzle structures, including polyether-ether-ketone shell, first Teflon pipe, trunnion, nozzle, heating head and radiator, feed inlet is equipped with inside the polyether-ether-ketone housing top end, the feed inlet bottom is equipped with the first Teflon pipe, first Teflon pipe bottom is equipped with trunnion, the trapezoidal steel for helping heat dissipation is equipped with outside the trunnion, the trunnion bottom is equipped with heating head, nozzle is equipped with inside the heating head, the trunnion side is equipped with fixing shell, the fixing shell side is equipped with patch fan, four chow ring of patch fan has fixed link, the fixed link other end is equipped with wind deflector, and the size of the wind deflector and the size of patch fan are consistent, this kind of 3D printing spray head, improve the direction of fan outlet air, wind-force can be reduced to unfashioned printed matter Product damage, and equipment is made to be less prone to plug, discharge disconnected phenomena such as saving.
Description
Technical field
The utility model relates to 3D printing field, specially a kind of 3D printing nozzle structure.
Background technique
3D printer is also known as three-dimensional printer, is a kind of cumulative manufacturing technology, i.e. a kind of machine of rapid prototyping technology, it
It is based on a digital model file, with adhesive materials such as special wax material, powdery metal or plastics, passes through printing one
Jointing material layer by layer manufactures three-dimensional object.Three-dimensional printer is used to manufacture product at this stage.The mode successively printed
To construct the technology of object.The principle of 3D printer is that data and raw material are put into 3D printer, and machine can be according to program handle
Product is created from level to level.
But existing 3D printer, it is easy to appear plug, phenomena such as raw material disconnected section, tracing it to its cause is that heat dissipation is insufficient,
Existing printer radiator cannot effectively use wind-force, make bigger contribution, and existing printer for 3D printing
Spray head, structure is complicated, and durability is not strong, and cost is high, is not suitable for the use of general population.
So how to design a kind of 3D printing nozzle structure, becoming us will currently be solved the problems, such as.
Utility model content
It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of 3D printing nozzle structure
Problem.
To achieve the above object, the utility model provides the following technical solutions: kind 3D printing nozzle structure, including polyethers ether
Ketone shell, the first Teflon pipe, trunnion, nozzle, heating head and radiator, be equipped with inside the polyether-ether-ketone housing top end into
Material mouth, the feed inlet bottom are equipped with the first Teflon pipe, and first Teflon pipe bottom is equipped with trunnion, outside the trunnion
Equipped with the trapezoidal steel for helping heat dissipation, it is equipped with the second Teflon pipe inside the trunnion, is equipped between each trapezoidal steel thermally conductive
Piece, the thermally conductive sheet run through trunnion, tightly among embedding second Teflon pipe, and the thermally conductive sheet and trunnion close adhesion, the larynx
Bottom of the tube is equipped with heating head, is equipped with nozzle inside the heating head, and the nozzle is infundibulate, and the top of the nozzle and the
One end close adhesion of two Teflon pipes, the heating head ring spray mouth one circle and with nozzle surrounding close adhesion, the trunnion one
Side is equipped with radiator, and the radiator side is equipped with fixing shell, and the fixing shell side is trapezoidal with trunnion surrounding
Steel closely welds, and the height of the fixing shell is slightly above the height of trunnion, and the trunnion top is equipped with the first air inlet, institute
The two sides for stating trunnion are equipped with the second air inlet, and the fixing shell side is equipped with patch fan, is equipped on the inside of the patch fan
Air outlet, and the air outlet is located at the center of patch fan.Patch fan side is uniformly equipped with 4 fixed screws,
And the fixing shell is tightly fastened with patch fan by fixed screw, four chow ring of patch fan has fixed link, described
Fixed link and patch fan close adhesion, the fixed link other end are equipped with wind deflector, the wind deflector and fixed link it is another
The close welding in end.
Further, second Teflon pipe extends at nozzle, and with nozzle close adhesion, the nozzle and heating
Head fits closely, and the nozzle extends the part of heating head no more than 1cm.
Further, the surface area of the wind deflector is greater than the surface area of patch fan.
Further, first Teflon pipe is identical as the diameter of the second Teflon pipe, and first Teflon pipe
It is fixed with the second Teflon pipe close adhesion.
Further, spacing is equipped between the trapezoidal steel, the spacing is in open-like shape, and is not less than at spacing minimum
0.5cm, spacing leak hole of second air inlet between trapezoidal steel.
Further, the bottom of the radiator keeps horizontal direction consistent with the bottom of trunnion.
Compared with prior art, the utility model has the beneficial effects that
1. the 3D printing nozzle structure, the second Teflon pipe extend at nozzle, and with nozzle close adhesion, nozzle with plus
Hot head fits closely, and nozzle extends the part of heating head no more than 1cm, and the materials temperature of nozzle segment has been effectively ensured,
So that the materials substance at nozzle is remained at liquid condition, avoids raw material disconnected the problem of saving to greatest extent, facilitate people
Life.
2. the 3D printing nozzle structure, trunnion top is equipped with the first air inlet, and the two sides of trunnion are equipped with the second air inlet, and
Crack hole of second air inlet between trapezoidal steel enables wind-force to be close to trunnion movement, maximumlly takes away trunnion surface
Heat, thus have the function that trunnion cool down so that the liquid material in spray head is not easy to flow backwards, avoid plug to greatest extent
The appearance of phenomenon.
3. the 3D printing nozzle structure, it is equipped with thermally conductive sheet between each trapezoidal steel, and thermally conductive sheet runs through trunnion, tight embedding second
Among Teflon pipe, the transmission for enabling the temperature inside trunnion most fast goes out trunnion, and spreads the air with surrounding, to allow
The cooling of trunnion further is speeded, so that the raw material in trunnion loses rapidly temperature and solidifies, further reduces showing for plug
As protecting the economic asset of people.
4. the 3D printing nozzle structure, fixed link and patch fan close adhesion, and the fixed link other end is equipped with wind deflector,
Wind deflector and the other end of fixed link closely weld, and the surface area of wind deflector is greater than the surface area of patch fan, so that patch
The wind of fan blowout is easier to be stopped by wind deflector, and spreads around, on the one hand avoids high wind to uncured printing
Object damages, and the air flowing of print head surrounding is on the one hand increased, so that 3D printing object cooling time shortens.
5. the 3D printing nozzle structure, trunnion side is equipped with radiator, and the bottom of radiator and the bottom of trunnion are protected
It is consistent to hold horizontal direction, avoids radiator from radiating trunnion position below, to influence the work of heating head, causes
The wasting of resources, so that structure is more reasonable, performance is more stable, and structure is simpler, is suitble to the use of general population.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the side structure schematic diagram of the utility model；
Fig. 3 is the schematic diagram of internal structure schematic diagram of the utility model；
Fig. 4 is that the wind-force of the utility model moves towards schematic diagram.
In figure: 1- polyether-ether-ketone shell；2- feed inlet；3- fixing shell；4- patch fan；5- fixed screw；6- is fixed
Bar；7- wind deflector；8- air outlet；9- trunnion；The trapezoidal steel of 10-；11- heating head；12- nozzle；The first air inlet of 13-；14-
Two air inlets；The first Teflon pipe of 15-；The second Teflon pipe of 16-；17- thermally conductive sheet；18- radiator.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-4, a kind of 3D printing nozzle structure, including polyether-ether-ketone shell 1, the first Teflon pipe 15, trunnion
9, nozzle 12, heating head 11 and radiator 18, it is characterised in that: feed inlet is equipped with inside 1 top of polyether-ether-ketone shell
2,2 bottom of feed inlet is equipped with the first Teflon pipe 15, and 15 bottom of the first Teflon pipe is equipped with trunnion 9, the trunnion
9 outsides are equipped with the trapezoidal steel 10 for helping heat dissipation, are equipped with the second Teflon pipe 16, each trapezoidal steel 10 inside the trunnion 9
Between be equipped with thermally conductive sheet 17, the thermally conductive sheet 17 runs through trunnion 9, among tight embedding second Teflon pipe 16, and the thermally conductive sheet 17
With 9 close adhesion of trunnion, 9 bottom of trunnion is equipped with heating head 11, is equipped with nozzle 12, the nozzle inside the heating head 11
12 be infundibulate, and one end close adhesion on the top of the nozzle 12 and the second Teflon pipe 16,11 ring spray of heating head
Mouth 12 1 circle and with 12 surrounding close adhesion of nozzle, 9 side of trunnion be equipped with radiator 18, the radiator 18 1
Side is equipped with fixing shell 3, the closely welding, and the fixing shell of trapezoidal steel 10 of 3 side of fixing shell and 9 surrounding of trunnion
3 height is slightly above the height of trunnion 9, and 9 top of trunnion is equipped with the first air inlet 13, and the two sides of the trunnion 9 are equipped with the
Two air inlets 14,3 side of fixing shell are equipped with patch fan 4, are equipped with air outlet 8 on the inside of the patch fan 4, and described
Air outlet 8 is located at the center of patch fan 4.4 side of patch fan is uniformly equipped with 4 fixed screws 5, and the fixation
Shell 3 is tightly fastened with patch fan 4 by fixed screw 5, and 4 four chow ring of patch fan has fixed link 6, the fixed link
6 are equipped with wind deflector 7 with 4 close adhesion of patch fan, 6 other end of fixed link, and the wind deflector 7 is another with fixed link 6
The close welding in end.
Further, second Teflon pipe 16 extends at nozzle 12, and with 12 close adhesion of nozzle, the nozzle
12 fit closely with heating head 11, and the nozzle 12 extends the part of heating head 11 no more than 1cm, keeps former in spray head
The liquefaction of material.
Further, the surface area of the wind deflector 7 is greater than the surface area of patch fan 4, guarantees that wind power energy is blocked.
Further, first Teflon pipe 15 is identical as the diameter of the second Teflon pipe 16, and the first iron fluorine
Imperial pipe 15 is fixed with 16 close adhesion of the second Teflon pipe, is made compact-sized.
Further, spacing is equipped between the trapezoidal steel 10, the spacing is in open-like shape, and is not less than at spacing minimum
0.5cm, spacing leak hole of second air inlet 14 between trapezoidal steel 10, makes surface heat be easier to be excluded.
Further, the bottom of the radiator 18 keeps horizontal direction consistent with the bottom of trunnion 9, closes structure more
Reason avoids reducing the temperature at spray head.
Working principle: firstly, raw material, which is extruded from feed inlet 2, enters through the first Teflon pipe 15, into the second iron fluorine
In imperial pipe 16, then enter at nozzle 12, subsequent solid raw material, which is heated first 11 heating, becomes liquid, with mechanical arm
Movement forms 3D printing, and in the process, the pause of printing can make liquid material flow back into trunnion 9 from nozzle 12, in this process
Middle liquid material can slowly be converted into solid-state, 10 meeting of trapezoidal steel that the thermally conductive sheet 17 and 9 surface of trunnion being equipped in trunnion 9 are equipped with
Temperature outflow being carried out to trunnion to accelerate, so that speed air flow increases, ambient heat is vaporized faster 4 meeting of patch fan, thus
So that liquid material is condensed into solid-state in 9 bottom of trunnion, avoids liquid material in the first Teflon pipe 15 and the second Teflon pipe 16
Place's condensation.Patch fan 4 makes wind-force flow to wind deflector 7 from the first air inlet 13 and the second air inlet 14 in the process of running,
Wind deflector 7 dissipates air four, on the one hand avoids high wind and damages to uncured printed matter, on the one hand increases printing
The air flowing of head surrounding, so that 3D printing object cooling time shortens.The 3D printing nozzle structure, the second Teflon pipe 16 are prolonged
Extend at nozzle 12, and with 12 close adhesion of nozzle, nozzle 12 is fitted closely with heating head 11, and nozzle 12 extends heating head
11 part is no more than 1cm, and the materials temperature of 11 part of nozzle has been effectively ensured, has remained the materials substance at nozzle 11
In liquid condition, raw material disconnected the problem of saving is avoided to greatest extent, facilitates people's lives.The 3D printing nozzle structure,
9 top of trunnion is equipped with the first air inlet 13, and the two sides of trunnion 9 are equipped with the second air inlet 14, and the second air inlet 14 is trapezoidal steel
Crack hole between 10 enables wind-force to be close to the movement of trunnion 9, the heat on 9 surface of trunnion is maximumlly taken away, to reach
The effect to cool down to trunnion 9 avoids going out for plug phenomenon so that the liquid material in spray head 12 is not easy to flow backwards to greatest extent
It is existing.The 3D printing nozzle structure, is equipped with thermally conductive sheet 17 between each trapezoidal steel 10, and thermally conductive sheet 17 runs through trunnion 9, and tight embedding second
Among Teflon pipe 14, the transmission for enabling the temperature inside trunnion 9 most fast goes out trunnion 9, and spreads the air with surrounding, from
And allowing further speeds the cooling of trunnion 9, so that the raw material in trunnion 9 loses rapidly temperature and solidifies, further reduces stifled
The phenomenon that head, protect the economic asset of people.The 3D printing nozzle structure, fixed link 6 and 4 close adhesion of patch fan, and
6 other end of fixed link is equipped with wind deflector 7, and wind deflector 7 and the other end of fixed link 6 closely weld, and the surface area of wind deflector 7 is big
In the surface area of patch fan 4, so that the wind that patch fan 4 is blown out is easier to be stopped by wind deflector 7, and spread around,
On the one hand it avoids high wind to damage uncured printed matter, on the one hand increases the air flowing of print head surrounding, make
It obtains and shortens 3D printing object cooling time.The 3D printing nozzle structure, 9 side of trunnion are equipped with radiator 18, radiator 18
Bottom keeps horizontal direction consistent with the bottom of trunnion 9, and radiator 18 is avoided to radiate the position below of trunnion 9, from
And the work of heating head 11 is influenced, it results in waste of resources, so that structure is more reasonable, performance is more stable, and structure is simpler
It is single, it is suitble to the use of general population.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of 3D printing nozzle structure, including polyether-ether-ketone shell (1), the first Teflon pipe (15), trunnion (9), nozzle
(12), heating head (11) and radiator (18), it is characterised in that: charging is equipped with inside polyether-ether-ketone shell (1) top
Mouth (2), feed inlet (2) bottom are equipped with the first Teflon pipe (15), and the first Teflon pipe (15) bottom is equipped with trunnion
(9), it is equipped with the trapezoidal steel (10) for helping heat dissipation outside the trunnion (9), is equipped with the second Teflon pipe inside the trunnion (9)
(16), thermally conductive sheet (17) being equipped between each trapezoidal steel (10), the thermally conductive sheet (17) runs through trunnion (9), and tight embedding second
Among Teflon pipe (16), and the thermally conductive sheet (17) and trunnion (9) close adhesion, trunnion (9) bottom are equipped with heating head
(11), nozzle (12) are equipped with inside the heating head (11), the nozzle (12) is infundibulate, and the top of the nozzle (12)
With one end close adhesion of the second Teflon pipe (16), heating head (11) the ring spray mouth (12) one circle and with nozzle (12) surrounding
Close adhesion, trunnion (9) side are equipped with radiator (18), and radiator (18) side is equipped with fixing shell (3),
The trapezoidal steel (10) of fixing shell (3) side and trunnion (9) surrounding closely welds, and the height of the fixing shell (3)
The slightly above height of trunnion (9), trunnion (9) top are equipped with the first air inlet (13), and the two sides of the trunnion (9) are equipped with the
Two air inlets (14), fixing shell (3) side are equipped with patch fan (4), and air outlet is equipped on the inside of the patch fan (4)
(8), and the air outlet (8) is located at the center of patch fan (4), and patch fan (4) side is uniformly equipped with 4 fixations
Screw (5), and the fixing shell (3) is tightly fastened with patch fan (4) by fixed screw (5), the patch fan (4)
Four chow rings have fixed link (6), and the fixed link (6) and patch fan (4) close adhesion, fixed link (6) other end are equipped with
Wind deflector (7), the wind deflector (7) and the other end of fixed link (6) closely weld.
2. a kind of 3D printing nozzle structure according to claim 1, it is characterised in that: second Teflon pipe (16) is prolonged
Extend at nozzle (12), and with nozzle (12) close adhesion, the nozzle (12) fits closely with heating head (11), and the spray
The part that mouth (12) extends heating head (11) is no more than 1cm.
3. a kind of 3D printing nozzle structure according to claim 1, it is characterised in that: the surface area of the wind deflector (7)
Greater than the surface area of patch fan (4).
4. a kind of 3D printing nozzle structure according to claim 1, it is characterised in that: first Teflon pipe (15) with
The diameter of second Teflon pipe (16) is identical, and first Teflon pipe (15) and the second Teflon pipe (16) close adhesion are solid
It is fixed.
5. a kind of 3D printing nozzle structure according to claim 1, it is characterised in that: between being equipped between trapezoidal steel (10)
Be in open-like shape away from, the spacing, and be not less than 0.5cm at spacing minimum, second air inlet (14) be trapezoidal steel (10) it
Between spacing leak hole.
6. a kind of 3D printing nozzle structure according to claim 1, it is characterised in that: the bottom of radiator (18) and larynx
The bottom for managing (9) keeps horizontal direction consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820959395.1U CN208697977U (en) | 2018-06-21 | 2018-06-21 | A kind of 3D printing nozzle structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820959395.1U CN208697977U (en) | 2018-06-21 | 2018-06-21 | A kind of 3D printing nozzle structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208697977U true CN208697977U (en) | 2019-04-05 |
Family
ID=65936737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820959395.1U Expired - Fee Related CN208697977U (en) | 2018-06-21 | 2018-06-21 | A kind of 3D printing nozzle structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208697977U (en) |
-
2018
- 2018-06-21 CN CN201820959395.1U patent/CN208697977U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190405 Termination date: 20200621 |