CN114734631A - 3D prints shower nozzle and 3D printer - Google Patents
3D prints shower nozzle and 3D printer Download PDFInfo
- Publication number
- CN114734631A CN114734631A CN202210230452.3A CN202210230452A CN114734631A CN 114734631 A CN114734631 A CN 114734631A CN 202210230452 A CN202210230452 A CN 202210230452A CN 114734631 A CN114734631 A CN 114734631A
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- Prior art keywords
- nozzle
- pipe
- discharging
- air inlet
- movable shaft
- 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.)
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- 238000007599 discharging Methods 0.000 claims abstract description 74
- 239000002994 raw material Substances 0.000 claims abstract description 27
- 230000001105 regulatory effect Effects 0.000 claims abstract description 21
- 230000000903 blocking effect Effects 0.000 claims abstract description 20
- 238000010146 3D printing Methods 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims description 22
- 238000001816 cooling Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 15
- 230000033228 biological regulation Effects 0.000 claims description 7
- 238000010030 laminating Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000007639 printing Methods 0.000 abstract description 7
- 239000002245 particle Substances 0.000 abstract description 4
- 239000000654 additive Substances 0.000 abstract description 3
- 230000000996 additive effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 12
- 230000005574 cross-species transmission Effects 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000000016 photochemical curing Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Images
Classifications
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- 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
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/205—Means for applying layers
- B29C64/209—Heads; Nozzles
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- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Coating Apparatus (AREA)
Abstract
The invention provides a 3D printing nozzle and a 3D printer, belongs to the technical field of additive manufacturing, and solves the problem that a nozzle cannot be prevented from leaking during 3D particle printing in the prior art. The automatic feeding device comprises a feeding hole, a feeding pipe, a discharging pipe and a nozzle, wherein a movable shaft capable of moving axially and a driving device capable of driving the movable shaft to move axially are arranged in the discharging pipe, a blocking part is arranged on the movable shaft, a through hole communicated with the discharging pipe is formed in the end part of the feeding pipe, a pressure regulating piston attached to the inner wall of the discharging pipe is further arranged on the movable shaft, a discharging channel is formed among the pressure regulating piston, the blocking part and the discharging pipe, the blocking part can move axially along with the movable shaft to enable the discharging channel to be communicated with or blocked from the nozzle, when the discharging channel is blocked from the nozzle, negative pressure can be formed near the nozzle in the discharging pipe to enable raw materials on the nozzle to be sucked back into the discharging pipe, and when the discharging channel is communicated with the nozzle, the nozzle can perform discharging printing.
Description
Technical Field
The invention belongs to the technical field of additive manufacturing, and particularly relates to a 3D printer nozzle and a 3D printer.
Background
Additive Manufacturing (AM) is commonly referred to as 3D printing, and a manufacturing technology for manufacturing a solid object is performed by stacking consumable materials such as a special metal material, a non-metal material, a medical biomaterial and the like layer by layer in modes of extrusion, sintering, melting, photocuring, spraying and the like through software and a numerical control system. Compared with the traditional method, the method has different processing modes on raw materials, is a manufacturing method of accumulating materials from bottom to top, and enables the manufacture of complex structural parts which cannot be realized due to the constraint of the traditional manufacturing mode in the past.
3D granule printing is one of 3D printing technique, and is different from the 3D silk material printing of mainstream, and the raw materials that 3D granule printed are graininess, through heating and melting, extrude from the nozzle, and layer by layer superposes on the workstation at last and prints, forms the finished product. The nozzle of the 3D particle printer is one of the core components of the 3D particle printer, and the quality of molding is determined to a large extent.
The raw materials function of withdrawing that present most 3D print head possessed all prints the design for the 3D silk material, and this kind of function of withdrawing can't satisfy the 3D granule and prints for the 3D granule is printed when printing some sunkenly, and the outflow of raw materials can't be prevented to the nozzle, has influenced greatly and has printed off-the-shelf quality.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a 3D printing nozzle and a 3D printer capable of preventing printing particle raw materials from leaking.
The purpose of the invention can be realized by the following technical scheme: the utility model provides a 3D prints shower nozzle, includes material loading mouth, conveying pipe, discharging pipe, nozzle, the discharging pipe in be equipped with the loose axle of axial activity and can drive the drive arrangement of loose axle axial activity, the loose axle on be equipped with putty portion, the conveying pipe tip be equipped with the communicating through-hole of discharging pipe, the loose axle on still be equipped with the pressure regulating piston of laminating with the discharging pipe inner wall, pressure regulating piston, putty portion, discharging pipe between form discharging channel, putty portion can make discharging channel and nozzle communicate with each other or block along with loose axle axial activity, discharging channel and nozzle block when, discharging channel in can form near nozzle near can form the negative pressure and make the raw materials on the nozzle suck back in the discharging pipe, discharging channel and nozzle communicate with each other when, but the nozzle ejection of compact print.
Utilize the axial activity of loose axle to drive the activity of putty portion and block or open discharging channel, move until blocking discharging channel and nozzle when putty portion to pressure regulating piston one side, near the nozzle in the discharging tube forms the negative pressure, can be about to spill over or spill over the raw materials suck-back of nozzle in the discharging tube, the leak protection effect is good, move until communicating discharging channel and nozzle when putty portion to keeping away from pressure regulating piston one side, the nozzle can normally the ejection of compact print.
In the above 3D printing head, the driving device includes an air cylinder, an electric cylinder, or a hydraulic cylinder, which is disposed at one end of the movable shaft and can drive the movable shaft to move axially.
The function can be realized by arranging a driving mechanism, such as an air cylinder, an electric cylinder or a hydraulic cylinder, at the end part of the movable shaft, wherein the driving mechanism can drive the movable shaft to move axially.
In the above 3D printing nozzle, as another scheme, the driving device includes a separating ring disposed on the movable shaft, a first adjusting cavity and a second adjusting cavity are formed between the separating ring and the discharge pipe, and the driving device further includes a driving mechanism capable of pushing the separating ring to move toward or away from the material blocking portion.
The movable shaft is provided with the separating ring, a first adjusting cavity and a second adjusting cavity are formed in two sides of the separating ring respectively, the driving mechanism is used for driving the separating ring to move axially along the discharge pipe, and the axial movement of the separating ring can drive the movable shaft to move axially.
In foretell 3D prints shower nozzle, first regulation chamber on be equipped with first air inlet, the second regulation chamber on be equipped with the second air inlet, actuating mechanism including set up the first fan on first air inlet and set up the second fan on the second air inlet, first air inlet machine can let in first air inlet with external atmosphere, the second air inlet machine can let in the second air inlet with external atmosphere.
The first fan is started to lead the atmosphere into the first air inlet, the air pressure in the first adjusting cavity can be increased to push the partition ring to move towards the second adjusting cavity, the second fan is started to lead the atmosphere into the second air inlet, and the air pressure in the second adjusting cavity can be increased to push the partition ring to move towards the first adjusting cavity.
In foretell 3D prints shower nozzle, the pressure regulating piston keep away from still to be equipped with the exhaust chamber between the one side of putty portion and the loose axle, the exhaust chamber on be equipped with the gas vent.
Through setting up exhaust chamber and gas vent be convenient for the movable shaft to keep away from the one side axial displacement of putty portion, do not receive atmospheric pressure to hinder.
In the 3D printing nozzle, the feeding pipe is provided with a driving motor, a screw rod is arranged in the feeding pipe, an output end of the driving motor is connected with the screw rod, and a heating coil capable of heating the feeding pipe is further arranged outside the feeding pipe.
The driving motor is used for driving the screw rod connected with the output end of the driving motor to rotate, the screw rod can improve feeding efficiency and melting effect through rotation, and the heating coil is used for heating the raw materials.
In the above 3D printing head, a cooling mechanism capable of cooling the feeding pipe is disposed on one side of the feeding pipe. And rapidly cooling the feeding pipe by using the cooling mechanism.
In the above 3D printing nozzle, the cooling mechanism includes a support disposed on the feeding pipe and a cooling fan disposed on the support. The support is used for installing cooling fan, and cooling fan is used for accelerating the heat dissipation of air flow.
In the 3D printing nozzle, the discharging pipe is internally provided with a discharging heating rod and a temperature sensing hole. The discharging heating rod is used for heating when the raw materials are discharged, and the temperature sensing hole is used for detecting the temperature of the discharging pipe and the raw materials.
The invention further aims to provide a 3D printer applying the 3D printing nozzle.
Compared with the prior art, the axial movement of the movable shaft is utilized to block or open the discharge channel, the material blocking part can move towards one side of the pressure regulating piston to block the discharge channel from the nozzle, negative pressure is formed near the nozzle in the discharge pipe, the raw material which is about to overflow or overflows from the nozzle can be sucked back into the discharge pipe, the leakage prevention effect is good, the material blocking part can also move towards one side far away from the pressure regulating piston to enable the discharge channel to be communicated with the nozzle, and the nozzle can normally discharge and print; the movable shaft is provided with the separating ring, and the driving mechanism is arranged to drive the separating ring to drive the movable shaft to axially move or directly drive the movable shaft to axially move; the movable positions of the separating rings are adjusted by introducing the first fan and the second fan into respective air inlets, so that the control is simple, long-time driving is not needed, and the energy consumption is saved; through setting up exhaust chamber and gas vent be convenient for the movable shaft to keep away from the one side axial displacement of putty portion, do not receive atmospheric pressure to hinder.
Drawings
FIG. 1 is a simplified schematic diagram of the present invention;
FIG. 2 is a simplified structural illustration of the tapping pipe according to the invention;
in the figure, 1, a feeding port; 2. a feeding pipe; 21. a heating coil; 22. a through hole; 23. a screw; 3. a discharge pipe; 4. a nozzle; 5. a movable shaft; 51. a material blocking part; 52. a pressure regulating piston; 6. a drive device; 61. a spacer ring; 62. a first fan; 63. a second fan; 7. a discharge channel; 8. a first regulation chamber; 81. a first air inlet; 9. a second regulating chamber; 91. a second air inlet; 10. an exhaust chamber; 101. an exhaust port; 11. a cooling mechanism; 111. a support; 112. a cooling fan; 12. discharging and heating the rod; 13. a temperature sensing hole; 14. the motor is driven.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1-2, the invention comprises a feeding port 1, a feeding pipe 2, a discharging pipe 3, a nozzle 4, and comprises a feeding port, a feeding pipe, a discharging pipe, and a nozzle, wherein a movable shaft capable of moving axially and a driving device capable of driving the movable shaft to move axially are arranged in the discharging pipe, a blocking part is arranged on the movable shaft, a through hole 22 communicated with the discharging pipe 3 is arranged at the end part of the feeding pipe 2, a pressure regulating piston 52 attached to the inner wall of the discharging pipe 3 is further arranged on the movable shaft 5, a discharging channel 7 is formed among the pressure regulating piston 52, the blocking part 51 and the discharging pipe 3, the blocking part 51 can move axially along with the movable shaft 5 to enable the discharging channel 7 to be communicated with or blocked by the nozzle 4, when the discharging channel 7 is blocked by the nozzle 4, a negative pressure can be formed near the nozzle 4 in the discharging pipe 3 to enable the raw material discharging pipe on the nozzle 4 to be sucked back into the discharging pipe 3, when the discharge channel 7 is communicated with the nozzle 4, the nozzle 4 can discharge and print.
Utilize the axial activity of loose axle 5 to drive putty portion 51 and block or open discharging channel 7, move until blocking discharging channel 7 and nozzle 4 when putty portion 51 is to pressure regulating piston 52 one side, near nozzle 4's near formation negative pressure in discharging pipe 3, can be about to spill over or spill over in the raw materials back-suction discharging pipe 3 of nozzle 4, the leak protection effect is good, move until communicating discharging channel 7 and nozzle 4 when putty portion 51 is to keeping away from pressure regulating piston 52 one side, nozzle 4 can normally be discharged the material and print.
The driving device 6 comprises a separating ring 61 arranged on the movable shaft 5, a first adjusting cavity 8 and a second adjusting cavity 9 are formed between the separating ring 61 and the discharge pipe 3, and the driving device 6 further comprises a driving mechanism capable of pushing the separating ring 61 to move towards the direction close to or away from the material blocking part 51.
By arranging the separating ring 61 on the movable shaft 5, a first adjusting cavity 8 and a second adjusting cavity 9 are respectively formed on two sides of the separating ring 61, the driving mechanism is used for driving the separating ring 61 to move axially along the discharge pipe 3, and the axial movement of the separating ring 61 can drive the movable shaft 5 to move axially.
The first fan 62 is turned on to let atmospheric air into the first air inlet 81, so as to increase the air pressure in the first adjustment chamber 8 to push the separation ring 61 to move toward the second adjustment chamber 9, the second fan 63 is turned on to let atmospheric air into the second air inlet 91, so as to increase the air pressure in the second adjustment chamber 9 to push the separation ring 61 to move toward the first adjustment chamber 8.
An exhaust cavity 10 is further arranged between one side, far away from the material blocking part 51, of the pressure regulating piston 52 and the movable shaft 5, and an exhaust port 101 is formed in the exhaust cavity 10. The arrangement of the exhaust chamber 10 and the exhaust port 101 facilitates the axial movement of the movable shaft 5 to the side away from the blockage part 51 without being obstructed by the air pressure.
The feeding pipe 2 is provided with a driving motor 14, a screw 23 is arranged in the feeding pipe 2, the output end of the driving motor 14 is connected with the screw 23, and the outer side of the feeding pipe 2 is also provided with a heating coil 21 capable of heating the feeding pipe. The driving motor 14 is used for driving the screw 23 connected with the output end of the driving motor to rotate, the screw 23 rotates to improve the feeding efficiency and the melting effect, and the heating coil 21 is used for heating the raw materials.
One side of the feeding pipe 2 is provided with a cooling mechanism 11 which can cool the feeding pipe. The feed pipe 2 is rapidly cooled by the cooling mechanism 11. The cooling mechanism 11 includes a bracket 111 disposed on the feeding pipe 2 and a cooling fan 112 disposed on the bracket 111. The bracket 111 is used for mounting a cooling fan 112, and the cooling fan 112 is used for accelerating air flow to dissipate heat.
And a discharging heating rod 12 and a temperature sensing hole 13 are arranged in the discharging pipe 3. The discharging heating rod 12 is used for heating raw material during discharging, and the temperature sensing hole 13 is used for detecting the temperature of the discharging pipe 3 and the raw material.
The working principle of the invention is as follows: the raw materials are put into a feeding port 1, the raw materials fall into a feeding pipe 2 from the feeding port 1, a driving motor 14 is driven, the output end of the driving motor 14 drives a screw 23 to rotate, a heating coil 21 heats the feeding pipe 2, the raw materials in the feeding pipe 2 are quickly melted and conveyed to a discharging pipe 3, a first fan 62 is started, the first fan 62 introduces atmosphere into a first air inlet 81, the air pressure in a first adjusting cavity 8 is increased, a separating ring 61 is pushed by gas to move towards a second adjusting cavity 9, a movable shaft 5 is driven by the separating ring 61 to synchronously move axially, a blocking part 51 on the movable shaft 5 is pushed to abut against the inner wall of one end of the discharging pipe 3, a discharging channel 7 is communicated with a nozzle 4, the first fan 62 is stopped, the raw materials in the feeding pipe 2 are introduced into the discharging pipe 3 from a through hole 22, a discharging heating rod 12 in the discharging pipe 3 continuously heats the raw materials, the raw materials are sprayed out from the nozzle 4 to be printed after passing through the discharging channel 7, if printing is finished, the second fan 63 is started, the second fan 63 introduces the atmosphere into the second air inlet 91, the air pressure in the second adjusting cavity 9 is increased, the separating ring 61 is pushed by the gas to move towards the direction of the first adjusting cavity 8, the movable shaft 5 is driven by the separating ring 61 to synchronously move axially until the material blocking part 51 on the movable shaft 5 blocks the discharge channel 7 from the nozzle 4, the second fan 63 is stopped, the raw material in the feeding pipe 2 cannot be fed to the discharge pipe 3, the area in the discharge pipe 3 close to the nozzle 4 forms negative pressure, and the overflowed raw material is sucked back into the discharge pipe 3.
The axial movement of the movable shaft 5 is utilized to drive the blocking part 51 to move to block or open the discharge channel 7, the blocking part 51 can move towards one side of the pressure regulating piston 52 to block the discharge channel 7 from the nozzle 4, negative pressure is formed near the nozzle 4 in the discharge tube 3, raw materials which are about to overflow or overflow the nozzle 4 can be sucked back into the discharge tube 3, the leakage prevention effect is good, the blocking part 51 can also move towards one side far away from the pressure regulating piston 52 to enable the discharge channel 7 to be communicated with the nozzle 4, and the nozzle 4 can normally discharge and print; the movable shaft 5 is provided with the separating ring 61, and the driving mechanism is arranged to drive the separating ring 61 to drive the movable shaft 5 to axially move or directly drive the movable shaft 5 to axially move; the movable position of the separating ring 61 is adjusted by leading the first fan 62 and the second fan 63 into respective air inlets, so that the control is simple, long-time driving is not needed, and the energy consumption is saved; the arrangement of the exhaust chamber 10 and the exhaust port 101 facilitates the axial movement of the movable shaft 5 to the side away from the blockage part 51 without being obstructed by the air pressure.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments, or alternatives may be employed, by those skilled in the art, without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a 3D prints shower nozzle, includes material loading mouth (1), conveying pipe (2), discharging pipe (3), nozzle (4), its characterized in that: discharging pipe (3) in be equipped with loose axle (5) that can axial motion and drive loose axle (5) axial motion's drive arrangement (6), loose axle (5) on be equipped with putty portion (51), conveying pipe (2) tip be equipped with discharging pipe (3) communicating through-hole (22), loose axle (5) on still be equipped with pressure regulating piston (52) of laminating mutually with discharging pipe (3) inner wall, pressure regulating piston (52), putty portion (51), discharging pipe (3) between form discharging channel (7), putty portion (51) can make discharging channel (7) and nozzle (4) communicate with each other or block along with loose axle (5) axial motion, discharging channel (7) and nozzle (4) block when, discharging pipe (3) in near can form the negative pressure make the raw materials on nozzle (4) suck back discharging pipe (3), when the discharge channel (7) is communicated with the nozzle (4), the nozzle (4) can discharge and print.
2. The 3D printing nozzle according to claim 1, wherein: the driving device (6) comprises an air cylinder, an electric cylinder or a hydraulic cylinder which is arranged at one end of the movable shaft (5) and can drive the movable shaft to move axially.
3. The 3D printing head according to claim 1, wherein: the driving device (6) comprises a separating ring (61) arranged on the movable shaft (5), a first adjusting cavity (8) and a second adjusting cavity (9) are formed between the separating ring (61) and the discharge pipe (3), and the driving device (6) further comprises a driving mechanism capable of pushing the separating ring (61) to move towards the direction close to or far away from the material blocking part (51).
4. The 3D printing nozzle according to claim 3, wherein: first regulation chamber (8) on be equipped with first air inlet (81), second regulation chamber (9) on be equipped with second air inlet (91), actuating mechanism including set up first fan (62) on first air inlet (81) and set up second fan (63) on second air inlet (91), first air inlet machine can let in first air inlet (81) with external atmosphere, second air inlet machine can let in second air inlet (91) with external atmosphere.
5. A3D print head according to claim 1 or 2 or 3 or 4, wherein: pressure regulating piston (52) keep away from between one side of putty portion (51) and loose axle (5) still be equipped with exhaust chamber (10), exhaust chamber (10) on be equipped with gas vent (101).
6. A3D print head according to claim 1 or 2 or 3 or 4, wherein: the feeding pipe (2) is provided with a driving motor (14), a screw rod (23) is arranged in the feeding pipe (2), the output end of the driving motor (14) is connected with the screw rod (23), and a heating coil (21) capable of heating the feeding pipe (2) is further arranged on the outer side of the feeding pipe.
7. A3D print head according to claim 1 or 2 or 3 or 4, wherein: one side of the feeding pipe (2) is provided with a cooling mechanism (11) which can cool the feeding pipe.
8. The 3D printing nozzle according to claim 7, wherein: the cooling mechanism (11) comprises a bracket (111) arranged on the feeding pipe (2) and a cooling fan (112) arranged on the bracket (111).
9. A3D print head according to claim 1 or 2 or 3 or 4, wherein: the discharging pipe (3) is internally provided with a discharging heating rod (12) and a temperature sensing hole (13).
10. A 3D printer using the 3D printing head according to claim 1, 2, 3 or 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210230452.3A CN114734631A (en) | 2022-03-10 | 2022-03-10 | 3D prints shower nozzle and 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210230452.3A CN114734631A (en) | 2022-03-10 | 2022-03-10 | 3D prints shower nozzle and 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114734631A true CN114734631A (en) | 2022-07-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210230452.3A Pending CN114734631A (en) | 2022-03-10 | 2022-03-10 | 3D prints shower nozzle and 3D printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114734631A (en) |
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