CN106738914A - A kind of effective 3D printing head for solving wire drawing phenomenon - Google Patents
A kind of effective 3D printing head for solving wire drawing phenomenon Download PDFInfo
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- CN106738914A CN106738914A CN201710049461.1A CN201710049461A CN106738914A CN 106738914 A CN106738914 A CN 106738914A CN 201710049461 A CN201710049461 A CN 201710049461A CN 106738914 A CN106738914 A CN 106738914A
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- Prior art keywords
- pumpback
- wire drawing
- nozzle
- pipe
- resistance piece
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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
Abstract
The present invention relates to a kind of effective 3D printing head for solving wire drawing phenomenon, including nozzle, heat block, trunnion, cooling mechanism, feeding mechanism and pumpback component, radiating subassembly includes the first housing, radiating tube, feeding mechanism includes the second housing, feed pipe, feeding assembly and adjusting part, feeding assembly includes charging gear and charging motor, adjusting part includes pressure roller and rotating shaft, pumpback component includes pumpback pipe, first resistance piece and the second resistance piece, in effective 3D printing head for solving wire drawing phenomenon, feeding mechanism can adjust the distance between charging gear and pressure roller, to adapt to various sizes of raw material thread, cooling mechanism have high cooling efficiency can prevent fusing raw material flow back into radiating tube, pumpback component can prevent the wire drawing phenomenon produced when two independent individuals are printed.
Description
Technical field
The present invention relates to 3D printing field, more particularly to a kind of effective 3D printing head for solving wire drawing phenomenon.
Background technology
3D printing (3DP) is one kind of rapid shaping technique, and it is a kind of based on mathematical model file, with powder
Shape metal or plastics etc. can jointing material, come the technology of constructed object by way of successively printing.
As emerging technology, many problems can be usually run into during 3D printing, wire drawing phenomenon is just included among these,
So-called ground wire drawing phenomenon, is exactly, when two neighboring independent subject is printed, to lead silk due to what printhead material leakage was produced, although existing
3D beat existing pumpback mechanism, but can not but be fully solved the problem of wire drawing.
The content of the invention
The technical problem to be solved in the present invention is：In order to overcome the deficiencies in the prior art, there is provided a kind of effectively to solve wire drawing
The 3D printing head of phenomenon.
The technical scheme that solve problem of the present invention is used is：A kind of effective 3D printing head for solving wire drawing phenomenon, including
Nozzle, heat block, trunnion, cooling mechanism, feeding mechanism and pumpback component；
The nipple top is provided with connecting tube, and the upper end of the connecting tube is provided with external screw thread, and the heat block is provided with logical
Hole, the through hole is vertical through hole, and the upper and lower ends of the through hole are equipped with internal thread, and the nozzle is by connecting tube and adds
Hot block connection, the connecting tube is threadedly coupled with heat block, the heat block positioned at the top of nozzle, up and down the two of the trunnion
End is equipped with external screw thread, and the lower end of the trunnion is threadedly coupled with heat block, and upper end and the cooling mechanism screw thread of the trunnion connect
Connect, the cooling mechanism is connected with feeding mechanism, one end of the pumpback component is located in nozzle, the pumpback component it is another
End is located in connecting tube；
The radiating subassembly includes the first housing, radiating tube, and the radiating tube is vertically arranged, and the radiating tube passes through first
Housing, the radiating tube lower end is provided with internal thread, and the lower end of the radiating tube is connected with the threaded upper ends of trunnion, the radiating tube
Upper end be provided with external screw thread, the feeding mechanism is located at the top of radiating tube, and the radiating tube is threadedly coupled with feeding mechanism；
The feeding mechanism includes the second housing, feed pipe, feeding assembly and adjusting part, and the feed pipe vertically sets
Put, the feed pipe passes through the second housing, and the lower end of the feed pipe is provided with internal thread, the lower end of the feed pipe and radiating tube
Threaded upper ends connection, the feeding assembly and adjusting part be respectively positioned in second shell body, the feeding assembly and adjusting part
Respectively positioned at the both sides of feed pipe；
The feeding assembly includes charging gear and charging motor, and the charging gear is set in the output shaft of charging motor
On, the charging gear is vertically arranged, and one end of the charging gear is located in feed pipe, the other end position of the charging gear
In in second shell body；
The adjusting part includes pressure roller and rotating shaft, and the rotating shaft is horizontally disposed with, and the pressure roller is set in rotating shaft, described
Pressure roller and charging axisymmetrical of the gear on feed pipe are set；
The pumpback component includes pumpback pipe, the first resistance piece and the second resistance piece, and the pumpback pipe is vertically arranged, the pumpback
One end of pipe is located in nozzle, and the other end of the pumpback pipe is located in connecting tube, and the pumpback pipe is slidably connected with connecting tube,
The first resistance piece is arranged on the inwall of pumpback pipe, and one end of the first resistance piece is connected with the inwall of pumpback pipe, and described the
The other end of one resistance piece is set diagonally downward, and the first resistance piece has several, and each first resistance piece is equal on the inwall of pumpback pipe
Even distribution, one end of the second resistance piece is arranged in pumpback pipe outer wall, and the other end of the second resistance piece tilts upward setting,
It is described second resistance piece have several, it is each second resistance piece on the outer wall of pumpback pipe with distribution, it is described second resistance piece be located at nozzle
It is interior.
Preferably, in order that nozzle has high-efficiency heating function, the nozzle is provided with bottoming hole, the bottoming hole water
It is flat to set, it is provided with heater in the bottoming hole.
Preferably, in order to the heating-up temperature of real-time monitoring nozzle, the nozzle is provided with thermometer hole, the thermometric
Hole horizontal is set, and temperature sensor is provided with the thermometer hole.
Preferably, measurement range and stability in order to improve temperature sensor, the temperature sensor is thermocouple
Temperature sensor.
Preferably, the capacity of heat transmission in order to improve nozzle, the making material of the nozzle is copper.
Preferably, in order to improve radiating effect, the heat-sink unit also includes radiating fin and fan, the radiating fin
Piece has several, and each radiating fin is uniformly distributed on the outer wall of radiating tube, and the radiating fin is located in first shell body, described
Radiator fan is arranged on the first housing, and the radiator fan is connected with the first housing.
Preferably, in order that easily by pumpback pipe through in connecting tube insertion nozzle, described second hinders the making material of piece
Expect to be memorial alloy.
Preferably, in order to adjust the distance between charging gear and pressure roller, to adapt to various sizes of raw material thread,
The adjusting part also includes chute, connecting plate and worm screw, and the chute has two, and the chute is symmetricly set on the second housing
Inwall on, the two ends of the rotating shaft are respectively positioned in chute and are connected with slide, the connecting plate.
Preferably, in order to further improve radiating efficiency, the outer wall of the radiating tube scribbles heat radiation coating.
Preferably, for precise control motor, the charging motor is servomotor.
The beneficial effects of the invention are as follows the 3D printing head design that this effectively solves wire drawing phenomenon is ingenious, and feasibility is high, charging
Mechanism can adjust the distance between charging gear and pressure roller, and to adapt to various sizes of raw material thread, cooling mechanism has high dissipating
The thermal efficiency can prevent the raw material of fusing from flowing back into radiating tube, and pumpback component can prevent from being produced when two independent individuals are printed
Raw wire drawing phenomenon.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is a kind of structural representation of effective 3D printing head for solving wire drawing phenomenon of the invention.
Fig. 2 is a kind of top view of the feeding mechanism of effective 3D printing head for solving wire drawing phenomenon of the invention.
Fig. 3 is a kind of structural representation of the pumpback component of effective 3D printing head for solving wire drawing phenomenon of the invention.
Fig. 4 is a kind of top view of the heat block of effective 3D printing head for solving wire drawing phenomenon of the invention.
In figure：1. nozzle, 2. heat block, 3. trunnion, 4. connecting tube, 5. through hole, 6. the first housing, 7. radiating tube, 8.
Two housings, 9. feed pipe, 10. feeds gear, 11. charging motors, 12. pressure rollers, 13. rotating shafts, 14. pumpback pipes, 15. first resistances
Piece, 16. second resistance pieces, 17. heaters, 18. temperature sensors, 19. radiating fins, 20. fans, 21. chutes.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant with the present invention.
As Figure 1-4, it is a kind of it is effective solve wire drawing phenomenon 3D printing head, including nozzle 1, heat block 2, trunnion 3, dissipate
Heat engine structure, feeding mechanism and pumpback component；
The top of the nozzle 1 is provided with connecting tube 4, and the upper end of the connecting tube 4 is provided with external screw thread, is set on the heat block 2
There is through hole 5, the through hole 5 is vertical through hole, and the upper and lower ends of the through hole 5 are equipped with internal thread, and the nozzle 1 is by connecting
Adapter 4 is connected with heat block 2, and the connecting tube 4 is threadedly coupled with heat block 2, and the heat block 2 is located at the top of nozzle 1, institute
The upper and lower ends for stating trunnion 3 are equipped with external screw thread, and the lower end of the trunnion 3 is threadedly coupled with heat block 2, the trunnion 3 it is upper
End is threadedly coupled with cooling mechanism, and the cooling mechanism is connected with feeding mechanism, and one end of the pumpback component is located at nozzle 1
Interior, the other end of the pumpback component is located in connecting tube 4；
The radiating subassembly includes the first housing 6, radiating tube 7, and the radiating tube 7 is vertically arranged, and the radiating tube 7 is passed through
First housing 6, the lower end of the radiating tube 7 is provided with internal thread, and the lower end of the radiating tube 7 is connected with the threaded upper ends of trunnion 3, institute
The upper end for stating radiating tube 7 is provided with external screw thread, and the feeding mechanism is located at the top of radiating tube 7, the radiating tube 7 and feeding mechanism
Threaded connection；
The feeding mechanism includes the second housing 8, feed pipe 9, feeding assembly and adjusting part, and the feed pipe 9 is vertical
Set, the feed pipe 9 passes through the second housing 8, the lower end of the feed pipe 9 is provided with internal thread, the lower end of the feed pipe 9 with
The threaded upper ends connection of radiating tube 7, the feeding assembly and adjusting part be respectively positioned in the second housing 8, the feeding assembly and
Adjusting part is respectively positioned at the both sides of feed pipe 9；
The feeding assembly includes charging gear 10 and charging motor 11, and the charging gear 10 is set in charging motor 11
Output shaft on, it is described charging gear 10 it is vertically arranged, it is described charging gear 10 one end be located at feed pipe 9 in, the charging
The other end of gear 10 is located in the second housing 8；
The adjusting part includes pressure roller 12 and rotating shaft 13, and the rotating shaft 13 is horizontally disposed with, and the pressure roller 12 is set in and turns
On axle 13, the pressure roller 12 and charging axisymmetrical of the gear 10 on feed pipe 9 are set；
The pumpback component includes the resistance resistance piece 16 of piece 15 and second of pumpback pipe 14, first, and the pumpback pipe 14 is vertically arranged,
One end of the pumpback pipe 14 is located in nozzle 1, and the other end of the pumpback pipe 14 is located in connecting tube 4, the pumpback pipe 14
Be slidably connected with connecting tube 4, it is described first resistance piece 15 is arranged on the inwall of pumpback pipe 14, it is described first resistance piece 15 one end with
The inwall connection of pumpback pipe 14, the other end of the first resistance piece 15 is set diagonally downward, and the first resistance piece 15 has several,
Each first resistance piece 15 is uniformly distributed on the inwall of pumpback pipe 14, and one end of the second resistance piece 16 is arranged on the outer wall of pumpback pipe 14
On, the other end of the second resistance piece 16 tilts upward setting, and the second resistance piece 16 has several, and each second resistance piece 16 is being returned
Take out on the outer wall of pipe 14 with distribution, the second resistance piece 16 is located in nozzle 1.
Preferably, in order that nozzle has high-efficiency heating function, the nozzle 1 is provided with bottoming hole, the bottoming hole
It is horizontally disposed, heater 17 is provided with the bottoming hole.
Preferably, in order to the heating-up temperature of real-time monitoring nozzle, the nozzle 1 is provided with thermometer hole, the survey
Warm hole horizontal is set, and temperature sensor 18 is provided with the thermometer hole.
Preferably, measurement range and stability in order to improve temperature sensor 18, the temperature sensor 18 is heat
Galvanic couple temperature sensor 18.
Preferably, the capacity of heat transmission in order to improve nozzle, the making material of the nozzle 1 is copper.
Preferably, in order to improve radiating effect, the heat-sink unit also includes radiating fin 19 and fan 20, described to dissipate
Hot fin 19 has several, and each radiating fin 19 is uniformly distributed on the outer wall of radiating tube 7, and the radiating fin 19 is located at first
In housing 6, the radiator fan 20 is arranged on the first housing 6, and the radiator fan 20 is connected with the first housing 6.
Preferably, in order that easily pumpback pipe is inserted in nozzle 1 through connecting tube 4, the system of the second resistance piece 16
Make material for memorial alloy.
Preferably, in order to adjust the distance between charging gear 10 and pressure roller 12, to adapt to various sizes of original
Material silk, the adjusting part also includes chute 21, connecting plate and worm screw, and the chute 21 has two, and the chute 21 symmetrically sets
Put on the inwall of the second housing 8, the two ends of the rotating shaft 13 are respectively positioned in chute 21 and are slidably connected with chute 21, the company
Fishplate bar.
Preferably, in order to further improve radiating efficiency, the outer wall of the radiating tube 7 scribbles heat radiation coating.
Preferably, for precise control motor, the charging motor 11 is servomotor.
In effective 3D printing head for solving wire drawing phenomenon, the operation principle of feeding mechanism is：Using feeding the He of gear 10
Frictional force between pressure roller 12 and raw material thread carries out feeding, and when charging, charging motor 11 drives Knucle-gear 10 to rotate.In addition,
Because the two ends of rotating shaft 13 can be slided in chute 21, therefore charging the distance between gear 10 and pressure roller 12 can also be adjusted,
Realize the raw material thread charging to different model.The operation principle of cooling mechanism is：Wandered away using radiating fin 19 and the band of fan 20
Heat in heat pipe 7.The operation principle of pumpback component is：When pumpback component is added without, because space is big in nozzle 1, beating
When starting rollback during print, only the raw material positioned at the center of nozzle 1 can retract, and the raw material at edge then may proceed to flow down and cause wire drawing to show
As after pumpback component is added, pumpback pipe 14 can be moved up and down in connecting tube 4, in printing during triggering Backward Function, be returned
The material for moving back can together pull up pumpback pipe 14, and pumpback pipe 14 can together rise with the material in the exit of nozzle 1, therefore nozzle 1 goes out
Mouth does not have residual raw materials and flows down, and causes wire drawing phenomenon.The second resistance piece 16 in other pumpback component can use memorial alloy
Material, pumpback pipe 14 can be inserted directly from connecting tube 4, its second resistance piece 16 is located in nozzle 1.
Compared with prior art, the 3D printing head for effectively solving wire drawing phenomenon designs ingenious, and feasibility is high, feeding mechanism
The distance between charging gear 10 and pressure roller 12 can be adjusted, to adapt to various sizes of raw material thread, cooling mechanism has high dissipating
The thermal efficiency can prevent the raw material of fusing from flowing back into radiating tube 7, and pumpback component can be prevented when two independent individuals are printed
The wire drawing phenomenon of generation.
With above-mentioned according to desirable embodiment of the invention as enlightenment, by above-mentioned description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.
Claims (10)
1. it is a kind of it is effective solve wire drawing phenomenon 3D printing head, it is characterised in that including nozzle (1), heat block (2), trunnion
(3), cooling mechanism, feeding mechanism and pumpback component；
Nozzle (1) top is provided with connecting tube (4), and the upper end of the connecting tube (4) is provided with external screw thread, the heat block (2)
Through hole (5) is provided with, the through hole (5) is vertical through hole, the upper and lower ends of the through hole (5) are equipped with internal thread, described
Nozzle (1) is connected by connecting tube (4) with heat block (2), and the connecting tube (4) is threadedly coupled with heat block (2), the heating
Positioned at the top of nozzle (1), the upper and lower ends of the trunnion (3) are equipped with external screw thread to block (2), the lower end of the trunnion (3) with
Heat block (2) is threadedly coupled, and the upper end of the trunnion (3) is threadedly coupled with cooling mechanism, the cooling mechanism and feeding mechanism
Connection, one end of the pumpback component is located in nozzle (1), and the other end of the pumpback component is located in connecting tube (4)；
The radiating subassembly includes the first housing (6), radiating tube (7), and the radiating tube (7) is vertically arranged, the radiating tube (7)
Through the first housing (6), radiating tube (7) lower end is provided with internal thread, and the lower end of the radiating tube (7) is upper with trunnion (3)
End threaded connection, the upper end of the radiating tube (7) is provided with external screw thread, and the feeding mechanism is located at the top of radiating tube (7), described
Radiating tube (7) is threadedly coupled with feeding mechanism；
The feeding mechanism includes the second housing (8), feed pipe (9), feeding assembly and adjusting part, and the feed pipe (9) is erected
To setting, the feed pipe (9) is provided with internal thread, the feed pipe through the second housing (8), the lower end of the feed pipe (9)
(9) lower end is connected with the threaded upper ends of radiating tube (7), and the feeding assembly and adjusting part are respectively positioned in the second housing (8),
The feeding assembly and adjusting part are respectively positioned at the both sides of feed pipe (9)；
The feeding assembly includes charging gear (10) and charging motor (11), and charging gear (10) is set in charging motor
(11) on output shaft, charging gear (10) is vertically arranged, and one end of charging gear (10) is located at feed pipe (9)
Interior, the other end of charging gear (10) is located in the second housing (8)；
The adjusting part includes pressure roller (12) and rotating shaft (13), and the rotating shaft (13) is horizontally disposed with, and the pressure roller (12) is arranged
In rotating shaft (13), the axisymmetrical of the pressure roller (12) and charging gear (10) on feed pipe (9) is set；
The pumpback component includes pumpback pipe (14), the first resistance piece (15) and the second resistance piece (16), and the pumpback pipe (14) is vertical
Set, one end of the pumpback pipe (14) is located in nozzle (1), the other end of the pumpback pipe (14) is located in connecting tube (4),
The pumpback pipe (14) is slidably connected with connecting tube (4), and first resistance piece (15) is arranged on the inwall of pumpback pipe (14), institute
The one end for stating the first resistance piece (15) is connected with the inwall of pumpback pipe (14), and the other end of first resistance piece (15) is tilted towards dividing into
Put, first resistance piece (15) there are several, each first resistance piece (15) is uniformly distributed on the inwall of pumpback pipe (14), described the
One end of two resistances piece (16) is arranged on pumpback pipe (14) outer wall, and the other end of second resistance piece (16) tilts upward setting,
It is described second resistance piece (16) have several, it is each second resistance piece (16) on the outer wall of pumpback pipe (14) with distribution, described second
Resistance piece (16) is in nozzle (1).
2. the 3D printing head of wire drawing phenomenon is effectively solved as claimed in claim 1, it is characterised in that set on the nozzle (1)
There is bottoming hole, the bottoming hole is horizontally disposed with, and heater (17) is provided with the bottoming hole.
3. the 3D printing head of wire drawing phenomenon is effectively solved as claimed in claim 1, it is characterised in that set on the nozzle (1)
There is thermometer hole, the thermometer hole is horizontally disposed with, and temperature sensor (18) is provided with the thermometer hole.
4. the 3D printing head of the effective solution wire drawing phenomenon as described in right wants 3, it is characterised in that the temperature sensor (18)
It is thermocouple temperature sensor (18).
5. the 3D printing head of wire drawing phenomenon is effectively solved as claimed in claim 1, it is characterised in that the system of the nozzle (1)
Make material for copper.
6. the 3D printing head of wire drawing phenomenon is effectively solved as claimed in claim 1, it is characterised in that the heat-sink unit is also wrapped
Radiating fin (19) and fan (20) are included, the radiating fin (19) there are several, and each radiating fin (19) is in radiating tube (7)
It is uniformly distributed on outer wall, in the first housing (6), the radiator fan (20) is arranged on first shell to the radiating fin (19)
On body (6), the radiator fan (20) connects with the first housing (6).
7. the 3D printing head of wire drawing phenomenon is effectively solved as claimed in claim 1, it is characterised in that second resistance piece (16)
Making material be memorial alloy.
8. the 3D printing head of wire drawing phenomenon is effectively solved as claimed in claim 1, it is characterised in that the adjusting part is also wrapped
Chute (21), connecting plate and worm screw are included, the chute (21) there are two, and the chute (21) is symmetricly set on the second housing (8)
Inwall on, the two ends of the rotating shaft (13) are respectively positioned in chute (21) and are slidably connected with chute (21), the connecting plate.
9. the 3D printing head of wire drawing phenomenon is effectively solved as claimed in claim 1, it is characterised in that the radiating tube (7)
Outer wall scribbles heat radiation coating.
10. the 3D printing head of wire drawing phenomenon is effectively solved as claimed in claim 1, it is characterised in that the charging motor
(11) it is servomotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710049461.1A CN106738914B (en) | 2017-01-23 | 2017-01-23 | A kind of effective 3D printing head for solving wire drawing phenomenon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710049461.1A CN106738914B (en) | 2017-01-23 | 2017-01-23 | A kind of effective 3D printing head for solving wire drawing phenomenon |
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| Publication Number | Publication Date |
|---|---|
| CN106738914A true CN106738914A (en) | 2017-05-31 |
| CN106738914B CN106738914B (en) | 2019-02-15 |
Family
ID=58941604
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710049461.1A Active CN106738914B (en) | 2017-01-23 | 2017-01-23 | A kind of effective 3D printing head for solving wire drawing phenomenon |
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| CN107310150A (en) * | 2017-08-07 | 2017-11-03 | 长沙远达华信息科技有限公司 | A kind of 3D printer for being used to print architectural design model |
| CN107813499A (en) * | 2017-11-27 | 2018-03-20 | 西北工业大学（张家港）智能装备技术产业化研究院有限公司 | Anti- wire drawing 3D printer |
| CN108582764A (en) * | 2018-04-25 | 2018-09-28 | 锐力斯传动系统（苏州）有限公司 | A kind of 3D printer radiator and extrusion mechanism |
| CN109531990A (en) * | 2017-06-05 | 2019-03-29 | 李子扬 | A kind of intelligent 3D printer |
| CN110001050A (en) * | 2019-02-28 | 2019-07-12 | 南京航空航天大学 | A kind of five axis three-dimensional printer nozzle component of extended type water cooling based on reduction interference |
| JP2019137038A (en) * | 2018-02-12 | 2019-08-22 | 三緯國際立體列印科技股▲ふん▼有限公司ＸＹＺｐｒｉｎｔｉｎｇ， Ｉｎｃ． | 3d printing nozzle, 3d printing nozzle assembly, and 3d printer |
| CN112406097A (en) * | 2020-09-10 | 2021-02-26 | 成都市新美加机械设备制造有限公司 | 3D prints quick wire drive feed unit |
| CN115157655A (en) * | 2022-07-04 | 2022-10-11 | 上海酷鹰机器人科技有限公司 | Design method of 3D printing overall scheme of large-size special-shaped curved surface sample |
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| JP2019137038A (en) * | 2018-02-12 | 2019-08-22 | 三緯國際立體列印科技股▲ふん▼有限公司ＸＹＺｐｒｉｎｔｉｎｇ， Ｉｎｃ． | 3d printing nozzle, 3d printing nozzle assembly, and 3d printer |
| CN108582764A (en) * | 2018-04-25 | 2018-09-28 | 锐力斯传动系统（苏州）有限公司 | A kind of 3D printer radiator and extrusion mechanism |
| CN110001050A (en) * | 2019-02-28 | 2019-07-12 | 南京航空航天大学 | A kind of five axis three-dimensional printer nozzle component of extended type water cooling based on reduction interference |
| CN112406097A (en) * | 2020-09-10 | 2021-02-26 | 成都市新美加机械设备制造有限公司 | 3D prints quick wire drive feed unit |
| WO2023168199A3 (en) * | 2022-03-01 | 2023-10-26 | Essentium Ipco, Llc | Heated nozzle assembly for a three-dimensional printer head including fins in shank barrel and nozzle tip |
| CN115157655A (en) * | 2022-07-04 | 2022-10-11 | 上海酷鹰机器人科技有限公司 | Design method of 3D printing overall scheme of large-size special-shaped curved surface sample |
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