CN106827499B - A kind of multi-functional 3D printing head - Google Patents
A kind of multi-functional 3D printing head Download PDFInfo
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- CN106827499B CN106827499B CN201710049252.7A CN201710049252A CN106827499B CN 106827499 B CN106827499 B CN 106827499B CN 201710049252 A CN201710049252 A CN 201710049252A CN 106827499 B CN106827499 B CN 106827499B
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- nozzle
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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
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Abstract
The present invention relates to a kind of multi-functional 3D printing heads, including cooling mechanism, nozzle and the discharging mechanism being arranged on nozzle, mixed organization, switching mechanism and heater, discharging mechanism includes feed inlet, first discharge port and the first transfer passage, mixed organization includes first motor, screw rod, second discharge port, second transfer passage and third transfer passage, switching mechanism includes the second motor, baffle and shaft, cooling mechanism includes convergence case, fan and radiating subassembly, radiating subassembly includes shell and feed pipe, in the multi-functional 3D printing head, collect four discharging mechanisms in a nozzle, the nozzle can simultaneously or timesharing imports four kinds of raw material threads, raw material thread can spray after discharging mechanism melts, it is sprayed after mixed organization can also being entered from discharging mechanism, mixed organization squeezes out after abundant melt raw material may be implemented, it prevents from spraying Mouth blocking, can also mix the raw material thread of multiple color simultaneously, mix colours.
Description
Technical field
The present invention relates to the field of 3D printing equipment, in particular to a kind of multi-functional 3D printing head.
Background technique
With the development of science and technology, 3D printing technique has been applied to multiple necks such as jewelry, footwear, industrial design, automobile
In domain, a kind of machine of 3D printer, that is, rapid prototyping technology, it is based on a digital model file, with powdered gold
Belong to or the adhesive materials such as plastics, constructs the technology of object by layer-by-layer printing.
3D printing spray head is the critical component of 3D printer at present, it is arranged in stable walking mechanism, and being used for will be former
Material is melted and is squeezed out.Existing 3D printer spray head mostly uses greatly a kind of mode of corresponding nozzle of raw material, sprays in printing
Switching between head needs to waste many times, especially causes for disadvantage 3D printing very slow for print speed itself
Life, secondly, the nozzle structure of multiple nozzles is complicated, space hold is big, and structure is not easy to stablize, to influence to print accuracy.
3D printing spray head is that spray head is easy blocking there are also a very distinct issues at present.
Summary of the invention
The technical problem to be solved by the present invention is for overcome the deficiencies in the prior art, providing a kind of multi-functional 3D printing
Head.
It is of the present invention solve the problems, such as used by technical solution be: a kind of multi-functional 3D printing head, including cooling mechanism, nozzle
And discharging mechanism, mixed organization, switching mechanism and heater on nozzle are set；
The shape of the nozzle is truncated cone-shaped, and the area in the upper end of nozzle face is greater than the area of lower end surface, the heat dissipation
The top of nozzle is arranged in mechanism, and the cooling mechanism is connected to discharging mechanism, and there are four the discharging mechanisms, each discharging mechanism
It is evenly distributed on the periphery of nozzle-axis, the mixed organization is located on the axis of nozzle, the discharging mechanism and mixed organization
Connection, there are four the switching mechanisms, and the side of discharging mechanism is arranged in the switching mechanism, and the nozzle is equipped with several logical
Hole, each through-hole is horizontally disposed, and the heater has several, and the heater is located in through-hole；
The discharging mechanism includes feed inlet, the first discharge port and the first transfer passage, and the feed inlet is arranged in nozzle
Upper surface, first discharge port is arranged in the lower end surface of nozzle, and the feed inlet is gone out by the first conveyance conduit with first
Material mouth connection；
The mixed organization includes first motor, screw rod, the second discharge port, the second transfer passage and third transfer passage,
Second transfer passage is vertically provided at the inside of nozzle, and second discharge port is arranged in the lower end surface of nozzle, and described
Two discharge ports and the second transfer passage are respectively positioned on the axis of nozzle, and the bottom of second transfer passage and the second discharge port connect
Logical, first transfer passage is connected to by third transfer passage with the second transfer passage, and the first motor is arranged in nozzle
Upper surface, the output shaft of the first motor is arranged straight down, and the screw rod is vertically arranged, and it is defeated that the screw rod is located at second
It send in channel, the output shaft and screw coaxial of the first motor are arranged, and the first motor is connect with screw drive；
The switching mechanism includes the second motor, baffle and shaft, and the cross section of first transfer passage is circle, institute
Stating baffle is disc, and the baffle is matched with the first transfer passage, and the shaft is arranged in the first transfer passage, described turn
Axis is vertical with the first transfer passage to be connect, and the shaft is slidably connected with the first transfer passage, and the baffle passes through shaft and the
One transfer passage is hinged, and second motor is arranged on the outer wall of nozzle, and second motor and shaft are coaxially disposed, described
Second motor is connect with rotating shaft transmission, and the switching mechanism is located at the lower section of third transfer passage；
The cooling mechanism includes convergence case, fan and radiating subassembly, and there are four the radiating subassemblies, and each radiating subassembly is equal
It is connected to convergence case, the upper surface of convergence case is arranged in the fan, and the air inlet of the fan is connected to convergence case；
The radiating subassembly includes shell and feed pipe, and the upper surface of the shell is equipped with the first opening, the shell
Lower end surface is equipped with the second opening, and the first opening and the second opening are connected to by feed pipe, and the feed pipe is connected by screw thread
Mode is connect to be connected to feed inlet.
Preferably, in order to radiate to feed pipe, prevent the raw material thread in feed pipe from melting in advance to influence to feed, institute
The outer wall for stating feed pipe is equipped with several radiating fins.
Preferably, in order to improve the heat-sinking capability of radiating fin, the making material of the radiating fin is aluminium alloy.
Preferably, in order to monitor and control the heating temperature of nozzle, the nozzle is equipped with temperature sensor.
Preferably, in order to improve the temperature measurement range of temperature sensor, the temperature sensor is electric thermo-couple temperature
Sensor.
Preferably, motor and nozzle directly contact and hot transmitting occur in order to prevent, the first motor and the second electricity
Machine passes through thermal insulation board and connect with nozzle.
Preferably, in order to improve the stability of thermal insulation board and heat-proof quality, the thermal insulation board is rock wool thermal insulation board.
Preferably, in order to improve the thermal conductivity of nozzle, the making material of the nozzle is copper.
Preferably, in order to improve heating efficiency, the heater is electromagnetic heater.
Preferably, the first motor and the second motor are servo motor in order to accurately control motor.
The invention has the advantages that the multi-functional 3D printing is ingenious in design, feasibility is high, collect four discharging mechanisms in
One nozzle, which can simultaneously or timesharing imports four kinds of raw material threads, and raw material thread can spray after discharging mechanism melts,
It is sprayed after mixed organization can also being entered from discharging mechanism, mixed organization squeezes out after abundant melt raw material may be implemented, and prevents from spraying
Mouth blocking, can also mix the raw material thread of multiple color simultaneously, mix colours, the design of four discharging mechanisms can support three kinds of originals
The importing of color material and backing material.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is a kind of structural schematic diagram of multi-functional 3D printing head of the invention.
Fig. 2 is a kind of top view of the nozzle of multi-functional 3D printing head of the invention.
Fig. 3 is a kind of bottom view of the nozzle of multi-functional 3D printing head of the invention.
Fig. 4 is a kind of structural schematic diagram of the regulating mechanism of multi-functional 3D printing head of the invention.
In figure: 1. nozzles, 2. heaters, 3. feed inlets, 4. first discharge ports, 5. first transfer passages, 6. first motors,
7. screw rod, 8. second discharge ports, 9. second transfer passages, 10. third transfer passages, 11. second motors, 12. baffles, 13. turns
Axis, 14. convergence casees, 15. fans, 16. shells, 17. feed pipes, 18. radiating fins, 19. temperature sensors.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
As shown in Figs 1-4, a kind of multi-functional 3D printing head, including cooling mechanism, nozzle 1 and is arranged on nozzle 1
Discharging mechanism, mixed organization, switching mechanism and heater 2；
The shape of the nozzle 1 is truncated cone-shaped, and the area of 1 upper surface of nozzle is greater than the area of lower end surface, described to dissipate
The top of nozzle 1 is arranged in heat engine structure, and the cooling mechanism is connected to discharging mechanism, and there are four the discharging mechanisms, each to discharge
Mechanism is evenly distributed on the periphery of 1 axis of nozzle, and the mixed organization is located on the axis of nozzle 1, the discharging mechanism and mixed
Mechanism connection is closed, there are four the switching mechanisms, and the side of discharging mechanism is arranged in the switching mechanism, sets on the nozzle 1
There are several through-holes, each through-hole is horizontally disposed, and the heater 2 there are several, and the heater 2 is located in through-hole；
The discharging mechanism includes feed inlet 3, the first discharge port 4 and the first transfer passage 5, and the setting of feed inlet 3 exists
The lower end surface of nozzle 1 is arranged in the upper surface of nozzle 1, first discharge port 4, and the feed inlet 3 passes through the first conveyance conduit
It is connected to the first discharge port 4；
The mixed organization includes that first motor 6, screw rod 7, the second discharge port 8, the second transfer passage 9 and third conveying are logical
Road 10, second transfer passage 9 are vertically provided at the inside of nozzle 1, and the lower end of nozzle 1 is arranged in second discharge port 8
Face, second discharge port 8 and the second transfer passage 9 are respectively positioned on the axis of nozzle 1, the bottom of second transfer passage 9
It is connected to the second discharge port 8, first transfer passage 5 is connected to by third transfer passage 10 with the second transfer passage 9, described
The upper surface of nozzle 1 is arranged in first motor 6, and the output shaft of the first motor 6 is arranged straight down, and the screw rod 7 is vertical
Setting, the screw rod 7 is located in the second transfer passage 9, output shaft and screw rod 7 coaxial arrangement of the first motor 6, and described the
One motor 6 is sequentially connected with screw rod 7；
The switching mechanism includes the second motor 11, baffle 12 and shaft 13, and the cross section of first transfer passage 5 is
Circle, the baffle 12 are disc, and the baffle 12 is matched with the first transfer passage 5, and the setting of shaft 13 is defeated first
It send in channel 5, the shaft 13 is vertical with the first transfer passage 5 to be connect, and the shaft 13 and the sliding of the first transfer passage 5 connect
It connecing, the baffle 12 is hinged by shaft 13 and the first transfer passage 5, and second motor 11 is arranged on the outer wall of nozzle 1,
Second motor 11 is coaxially disposed with shaft 13, and second motor 11 is sequentially connected with shaft 13, the switching mechanism position
In the lower section of third transfer passage 10；
The cooling mechanism includes convergence case 14, fan 15 and radiating subassembly, and there are four the radiating subassemblies, each heat dissipation group
Part is connected to convergence case 14, and the upper surface of convergence case 14, the air inlet of the fan 15 and convergence is arranged in the fan 15
Case 14 is connected to；
The radiating subassembly includes shell 16 and feed pipe 17, and the upper surface of the shell 16 is equipped with the first opening, described
The lower end surface of shell 16 is equipped with the second opening, and the first opening and the second opening are connected to by feed pipe 17, the feed pipe
17 are connected through a screw thread mode is connected to feed inlet 3.
Preferably, prevent the raw material thread in feed pipe from melt in advance to influence to feed to radiate to feed pipe 17,
The outer wall of the feed pipe 17 is equipped with several radiating fins 18.
Preferably, in order to improve the heat-sinking capability of radiating fin 18, the making material of the radiating fin 18 is aluminium conjunction
Gold.
Preferably, in order to monitor and control the heating temperature of nozzle 1, the nozzle 1 is equipped with temperature sensor
19。
Preferably, in order to improve the temperature measurement range of temperature sensor 19, the temperature sensor 19 is thermocouple
Temperature sensor.
Preferably, motor and nozzle 1 directly contact and heat transmitting occur in order to prevent, the first motor 6 and second
Motor 11 is connect by thermal insulation board with nozzle 1.
Preferably, in order to improve the stability of thermal insulation board and heat-proof quality, the thermal insulation board is rock wool thermal insulation board.
Preferably, in order to improve the thermal conductivity of nozzle 1, the making material of the nozzle 1 is copper.
Preferably, in order to improve heating efficiency, the heater 2 is electromagnetic heater.
Preferably, the first motor 6 and the second motor 11 are servo motor in order to accurately control motor.
The multi-functional 3D printing head, is mounted in the walking mechanism of 3D printer, the working principle of discharging mechanism are as follows: raw material
Silk enters in the first transfer passage 5 from feed inlet 4 to be melted, and is sprayed after fusing from the first discharge port 4.The work of switching mechanism
Principle are as follows: the rotation of 11 drive shaft 13 of the second motor makes the rotation of baffle 12 to the first transfer passage 5 is blocked, melts at this time
Raw material thread is entered in the second transfer passage 9 from the first transfer passage 5 by third transfer passage 10.The working principle of mixed organization
Are as follows: when one or more kinds of raw materials enter in the second transfer passage 9, first motor 6 drives screw rod 7 to rotate, and carries out to original
Stirring and extruding, make to mix and the raw material sufficiently melted is sprayed from the second discharge port 8.The working principle of cooling mechanism is to feed
Pipe 17 converges case 14 and four shells for distributing the heat passed over from nozzle 1 for importing raw material thread, radiating fin 18
16 are connected to, and the heat in four shells can be discharged to top simultaneously for fan 15, prevent the outlet air of fan 15 going out to nozzle 1
Material impacts.
Compared with prior art, the multi-functional 3D printing is ingenious in design, and feasibility is high, collects four discharging mechanisms in one
Nozzle 1, which can simultaneously or timesharing imports four kinds of raw material threads, and raw material thread can spray after discharging mechanism melts,
It is sprayed after mixed organization being entered from discharging mechanism, mixed organization squeezes out after abundant melt raw material may be implemented, and prevents nozzle 1
Blocking, can also mix the raw material thread of multiple color simultaneously, mix colours, the design of four discharging mechanisms can support three kinds of primary colors
The importing of material and backing material.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above 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 range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of multi-functional 3D printing head, which is characterized in that including cooling mechanism, nozzle (1) and be arranged on nozzle (1)
Discharging mechanism, mixed organization, switching mechanism and heater (2)；
The shape of the nozzle (1) is truncated cone-shaped, and the area of nozzle (1) upper surface is greater than the area of lower end surface, described to dissipate
Heat engine structure is arranged in the top of nozzle (1), and the cooling mechanism is connected to discharging mechanism, and there are four the discharging mechanisms, is respectively gone out
Material mechanism is evenly distributed on the periphery of nozzle (1) axis, and the mixed organization is located on the axis of nozzle (1), the discharging machine
Structure is connected to mixed organization, and there are four the switching mechanisms, and the side of discharging mechanism, the nozzle is arranged in the switching mechanism
(1) several through-holes are equipped with, each through-hole is horizontally disposed, and the heater (2) there are several, and the heater (2) is located at logical
In hole；
The discharging mechanism includes feed inlet (3), the first discharge port (4) and the first transfer passage (5), and the feed inlet (3) sets
The upper surface in nozzle (1) is set, first discharge port (4) is arranged in the lower end surface of nozzle (1), and the feed inlet (3) passes through
First conveyance conduit is connected to the first discharge port (4)；
The mixed organization includes that first motor (6), screw rod (7), the second discharge port (8), the second transfer passage (9) and third are defeated
It send channel (10), second transfer passage (9) is vertically provided at the inside of nozzle (1), and the second discharge port (8) setting exists
The lower end surface of nozzle (1), second discharge port (8) and the second transfer passage (9) are respectively positioned on the axis of nozzle (1), described
The bottom of second transfer passage (9) is connected to the second discharge port (8), and first transfer passage (5) passes through third transfer passage
(10) it is connected to the second transfer passage (9), the first motor (6) is arranged in the upper surface of nozzle (1), the first motor
(6) output shaft is arranged straight down, and the screw rod (7) is vertically arranged, and the screw rod (7) is located in the second transfer passage (9),
The output shaft of the first motor (6) and screw rod (7) are coaxially disposed, and the first motor (6) and screw rod (7) are sequentially connected；
The switching mechanism includes the second motor (11), baffle (12) and shaft (13), first transfer passage (5) it is transversal
Face is circle, and the baffle (12) is disc, and the baffle (12) matches with the first transfer passage (5), the shaft (13)
In the first transfer passage (5), the shaft (13) is vertical with the first transfer passage (5) to be connect for setting, the shaft (13) and
First transfer passage (5) is slidably connected, the baffle (12) by shaft (13) and the first transfer passage (5) hingedly, described the
Two motors (11) are arranged on the outer wall of nozzle (1), and second motor (11) and shaft (13) are coaxially disposed, second electricity
Machine (11) and shaft (13) are sequentially connected, and the switching mechanism is located at the lower section of third transfer passage (10)；
The cooling mechanism includes convergence case (14), fan (15) and radiating subassembly, and there are four the radiating subassemblies, each heat dissipation group
Part is connected to convergence case (14), and fan (15) setting is in the upper surface of convergence case (14), the air inlet of the fan (15)
Mouth is connected to convergence case (14)；
The radiating subassembly includes shell (16) and feed pipe (17), and the upper surface of the shell (16) is equipped with the first opening, institute
The lower end surface for stating shell (16) is equipped with the second opening, and the first opening and the second opening are connected to by feed pipe (17), described
Feed pipe (17) is connected through a screw thread mode and is connected to feed inlet (3).
2. multi-functional 3D printing head as described in claim 1, which is characterized in that the outer wall of the feed pipe (17) is equipped with several
Radiating fin (18).
3. multi-functional 3D printing head as claimed in claim 2, which is characterized in that the making material of the radiating fin (18) is
Aluminium alloy.
4. multi-functional 3D printing head as described in claim 1, which is characterized in that the nozzle (1) is equipped with temperature sensor
(19)。
5. multi-functional 3D printing head as claimed in claim 4, which is characterized in that the temperature sensor (19) is thermocouple temperature
Spend sensor.
6. multi-functional 3D printing head as described in claim 1, which is characterized in that the first motor (6) and the second motor
(11) it is connect by thermal insulation board with nozzle (1).
7. multi-functional 3D printing head as claimed in claim 6, which is characterized in that the thermal insulation board is rock wool thermal insulation board.
8. multi-functional 3D printing head as described in claim 1, which is characterized in that the making material of the nozzle (1) is copper.
9. multi-functional 3D printing head as described in claim 1, which is characterized in that the heater (2) is electromagnetic heater.
10. multi-functional 3D printing head as described in claim 1, which is characterized in that the first motor (6) and the second motor
It (11) is servo motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710049252.7A CN106827499B (en) | 2017-01-20 | 2017-01-20 | A kind of multi-functional 3D printing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710049252.7A CN106827499B (en) | 2017-01-20 | 2017-01-20 | A kind of multi-functional 3D printing head |
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| CN106827499A CN106827499A (en) | 2017-06-13 |
| CN106827499B true CN106827499B (en) | 2019-01-08 |
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ID=59120215
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| CN201710049252.7A Active CN106827499B (en) | 2017-01-20 | 2017-01-20 | A kind of multi-functional 3D printing head |
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| CN107160536A (en) * | 2017-07-21 | 2017-09-15 | 西安科技大学 | A kind of arm-type pottery mud 3D printer of manipulator |
| CN108715030A (en) * | 2017-08-12 | 2018-10-30 | 张玲玲 | The span shunting 3D forming methods of solid figure |
| CN107351382B (en) * | 2017-08-28 | 2018-12-14 | 绍兴上虞威拓机械电子有限公司 | The colour contamination pan feeding of 3D printer, colour mixture pan feeding control system |
| CN107538744B (en) * | 2017-08-28 | 2019-08-13 | 严红飞 | The colour contamination and mixing Method of printing of colored 3D printer |
| CN108407282A (en) * | 2017-08-28 | 2018-08-17 | 六安永贞匠道机电科技有限公司 | The colored 3D printer of uniform color mixture printing |
| CN108527860A (en) * | 2018-05-04 | 2018-09-14 | 重庆大学 | A kind of 3D printing batch mixing nozzle and the 3D printer using the nozzle |
| JP6511577B1 (en) * | 2018-08-21 | 2019-05-15 | 独立行政法人国立高等専門学校機構 | Molding apparatus and molding method |
| US11358330B2 (en) * | 2019-03-15 | 2022-06-14 | GM Global Technology Operations LLC | Filament deposition head and method of depositing filament material for joining workpieces |
| CN111775441A (en) * | 2019-12-16 | 2020-10-16 | 江苏华疆三维科技有限公司 | Car 3D prints many materials extrusion device |
| CN112590214A (en) * | 2020-11-03 | 2021-04-02 | 西安昆仑工业（集团）有限责任公司 | Multifunctional 3D printing head |
| CN112917907B (en) * | 2021-01-22 | 2023-09-29 | 芜湖市爱三迪电子科技有限公司 | Adopt 3D printer of polychrome wire rod |
| CN113001973A (en) * | 2021-03-15 | 2021-06-22 | 合肥海闻自动化设备有限公司 | Printing nozzle for 3D printer and printer thereof |
| CN115488491A (en) * | 2022-08-08 | 2022-12-20 | 中南大学 | Real-time temperature measurement material increase device |
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Effective date of registration: 20210524 Address after: 41007 room 602, building 14 and 15, No. 188, Huanbao Middle Road, Yuhua District, Changsha City, Hunan Province Patentee after: HUNAN NUOEN KEDE BIOTECHNOLOGY Co.,Ltd. Address before: 314001 Room 223, Building 1, 3339 Linggongtang Road (Jiaxing Science and Technology City), Nanhu District, Jiaxing City, Zhejiang Province Patentee before: Jiaxing Titanium Amine New Material Technology Co.,Ltd. |