CN108501373A - A kind of temperature-controllable 3D printing nozzle of automatic adjustment discharge method - Google Patents
A kind of temperature-controllable 3D printing nozzle of automatic adjustment discharge method Download PDFInfo
- Publication number
- CN108501373A CN108501373A CN201810476124.5A CN201810476124A CN108501373A CN 108501373 A CN108501373 A CN 108501373A CN 201810476124 A CN201810476124 A CN 201810476124A CN 108501373 A CN108501373 A CN 108501373A
- Authority
- CN
- China
- Prior art keywords
- temperature
- nozzle
- nozzle housing
- wall
- discharge method
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000010146 3D printing Methods 0.000 title claims abstract description 19
- 230000005684 electric field Effects 0.000 claims abstract description 11
- 238000001125 extrusion Methods 0.000 claims abstract description 10
- 238000004804 winding Methods 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000004033 diameter control Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 13
- 230000033228 biological regulation Effects 0.000 abstract description 2
- 239000012620 biological material Substances 0.000 description 15
- 238000007639 printing Methods 0.000 description 6
- 230000030833 cell death Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000006072 paste Substances 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000005439 thermosphere Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- 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
-
- 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
- B29C64/295—Heating elements
-
- 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
- B29C64/30—Auxiliary operations or equipment
- B29C64/386—Data acquisition or data processing for additive manufacturing
- B29C64/393—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
Landscapes
- 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
A kind of temperature-controllable 3D printing nozzle of automatic adjustment discharge method of the present invention, belongs to 3D printing technique field；Technical problem to be solved is that the regulation and control of existing nozzle are inconvenient, and the control of printed material temperature and discharge method control are difficult；The technical solution used for：Nozzle housing is that bottom is open, and the hollow cylinder of top center trepanning, the middle and lower part that circular fixing plate is fixed on nozzle housing inner wall forms discharge port；Charging ladle is hollow circular-tube, and inside nozzle housing, extrusion piston is sleeved in charging ladle concentric locking collar；On the outer wall of heat-conducting layer, heat-conducting layer is sleeved on outside charging ladle and is fitted closely with charging ladle outer wall resistance wire uniform winding；Three convergence pieces fit closely to form an open-topped inverted cone between each other, and three convergence pieces are connected by shaft with discharge port respectively, and three compressed springs are separately fixed between three convergence pieces and nozzle housing inner wall；Two extra electric field electrode slices are symmetrically inlaid in nozzle housing inner wall bottom.
Description
Technical field
A kind of temperature-controllable 3D printing nozzle of automatic adjustment discharge method of the present invention, belongs to 3D printing technique field.
Background technology
Biological 3D printer is a kind of rapid forming equipment that a variety of biomaterial printings can be used, and is beaten using related data
Print off entity 3D biomaterial compatibility structures, the biometric print model made have the external form for meeting design requirement and
Open immanent structure.In simple terms, biological 3D printer will be located by controlling printed material cylinder in the movement of three dimensions
It is squeezed out by air pressure in the biomaterial of fluid, colloid or paste, material goes out mould of different shapes by layer upon layer aftershaping
Type, to complete 3D printing process.
However, due to material character difference, the demand to the condition of printing is also different, such as temperature height, material grain
Diameter size.Or the requirement to printed material discharge method is different, required print conditions are also not quite similar.Existing 3D printing
Nozzle designs a heating module usually at nozzle, to achieve the purpose that heating biological material.Or use different-diameter
The more nozzles of multichannel carry out biological 3D printings, realize the printing of the biomaterial of different-grain diameter.
In the prior art, temperature control biology 3D printing nozzle can only carry out single point temperature control, biomaterial can be caused to heat
It is uneven, influence biomaterial print quality.Existing biology 3D printing nozzle cannot achieve to be controlled according to material particle size size
Jet diameters processed cause biometric print nozzle to be easy to block, when printing cell, even result in cell death.In addition to this, existing
The biological 3D printing nozzle having is unable to control the discharge method of material, causes the biological 3D structures of printing to occur with expected structure inclined
Difference.
Invention content
It is that the regulation and control of existing nozzle are inconvenient that the present invention, which overcomes the shortcomings of the prior art, technical problem to be solved, is beaten
It prints material temperature control and discharge method control is difficult.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：A kind of temperature of automatic adjustment discharge method
Controllable 3D printing nozzle is spent, including：Nozzle housing, biology charging module, temperature control modules, nozzle diameter control module and outer
Added electric field electrode slice；
The nozzle housing is that bottom is open, and the hollow cylinder of top center trepanning, circular fixing plate is fixed on nozzle housing
The middle and lower part of inner wall forms discharge port, opens that there are two symmetrical heat emission holes on nozzle housing；
The biology charging module includes charging ladle and extrusion piston, and charging ladle is hollow circular-tube, and concentric locking collar is mounted in nozzle housing
Inside is simultaneously fixed on circular fixing plate, and extrusion piston is sleeved in charging ladle；
The temperature control modules include resistance wire and heat-conducting layer, and resistance wire uniform winding is on the outer wall of heat-conducting layer, heat-conducting layer
It is sleeved on outside charging ladle and is fitted closely with charging ladle outer wall；
The nozzle diameter control module includes three pieces convergence piece and three compressed springs, and three convergences piece is tight between each other
Closely connected conjunction forms an open-topped inverted cone, and three convergence pieces are connected by shaft with discharge port respectively, three compression bullets
Spring is separately fixed between three convergence pieces and nozzle housing inner wall；
Two extra electric field electrode slices are symmetrically inlaid in nozzle housing inner wall bottom.
The section of the convergence piece is zigzag, mutually overlaps, fits closely between three convergence pieces.
The temperature control modules further include temperature sensor and main control module, and temperature sensor is welded on heat-conducting layer inner wall
On, the input terminal of temperature sensor and main control module connects, the output end of main control module and the computer heating control of temperature control modules
Switch is connected.
The temperature sensor is contact type temperature sensor.
The temperature control modules further include two heat emission fans, are flush-mounted in respectively in two heat emission holes on nozzle housing,
The control switch of two heat emission fans is connected with the output end of main control module in temperature control modules.
The present invention has the advantages that compared with prior art.
1, after the resistance wire fever that the present invention passes through uniform winding, the biomaterial in charging ladle can be carried out through heat-conducting layer
It is evenly heated, the control of heating temperature can be effectively carried out by temperature sensor, effectively prevent because heating uneven, temperature
The inconvenient adverse effect to print result of control.
2, the present invention restrains the compressed spring being arranged between pieces and nozzle housing by the way that 3 convergence pieces and 3 are arranged,
It realizes nozzle and dehisces that diameter is variable, and in the biomaterials print procedure such as cell, avoiding causes because jet diameters are too small
Cell death.
3, the present invention applies electric field by electrode slice and realizes biomaterial by field controlling material discharge method and go out
The consistency of material, improves print quality.
Description of the drawings
The present invention will be further described in detail below in conjunction with the accompanying drawings.
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the A-A sectional views of Fig. 1.
Fig. 3 is the sectional view that piece is restrained in the present invention.
In figure：1 is nozzle housing, and 2 be extra electric field electrode slice, and 3 be circular fixing plate, and 4 be discharge port, and 5 be heat dissipation
Hole, 6 be charging ladle, and 7 be extrusion piston, and 8 be resistance wire, and 9 be heat-conducting layer, and 10 be convergence piece, and 11 be compressed spring, and 12 be temperature
Sensor, 13 be heat emission fan.
Specific implementation mode
As shown in Fig. 1-Fig. 3, a kind of temperature-controllable 3D printing nozzle of automatic adjustment discharge method of the present invention, including：Spray
Head shell 1, biology charging module, temperature control modules, nozzle diameter control module and extra electric field electrode slice 2；
The nozzle housing 1 is that bottom is open, and the hollow cylinder of top center trepanning, circular fixing plate 3 is fixed on outside nozzle
The middle and lower part of 1 inner wall of shell forms discharge port 4, opens that there are two symmetrical heat emission holes 5 on nozzle housing 1；
The biology charging module includes charging ladle 6 and extrusion piston 7, and charging ladle 6 is hollow circular-tube, and concentric locking collar is outside nozzle
1 inside of shell is simultaneously fixed on circular fixing plate 3, and extrusion piston 7 is sleeved in charging ladle 6；
The temperature control modules include resistance wire 8 and heat-conducting layer 9, and 8 uniform winding of resistance wire is led on the outer wall of heat-conducting layer 9
Thermosphere 9 is sleeved on outside charging ladle 6 and is fitted closely with 6 outer wall of charging ladle；
The nozzle diameter control module includes three pieces convergence piece 10 and three compressed springs 11, and three convergences piece 10 is mutual
Between fit closely to form an open-topped inverted cone, three convergence pieces 10 be connected respectively with discharge port 4 by shaft, three
A compressed spring 11 is separately fixed between three convergence pieces 10 and 1 inner wall of nozzle housing；
Two extra electric field electrode slices 2 are symmetrically inlaid in 1 inner wall bottom of nozzle housing.
The section of the convergence piece 10 is zigzag, mutually overlaps, fits closely between three convergence pieces 10.
The temperature control modules further include temperature sensor 12 and main control module, and temperature sensor 12 is welded on heat-conducting layer
On 9 inner walls, temperature sensor 12 is connect with the input terminal of main control module, the output end of main control module and adding for temperature control modules
Thermal control switch is connected.
The temperature sensor 12 is contact type temperature sensor.
The temperature control modules further include two heat emission fans 13, two heat emission holes 5 being flush-mounted in respectively on nozzle housing 1
Interior, the control switch of two heat emission fans 13 is connected with the output end of main control module in temperature control modules.
The operation principle of the present invention：It is by extrusion piston 7 that biomaterial is defeated after printing biomaterial enters charging ladle 6
It is sent to heating position, biomaterial is evenly heated.After the completion of heating, extrusion piston 7 continues biomaterial being transported to
Discharge port 4 generates pressure to the convergence piece 10 of discharge port 4, is passed pressure by restraining piece 10 when biomaterial grain size is larger
It is delivered in compressed spring 11, compressed spring 11 is shunk, to achieve the purpose that nozzle is dehisced controlled diameter.Simultaneously in discharge port 4
Electric field is generated between the extra electric field electrode slice 2 of both sides, to make carbon nanotube, the printed materials such as nanometer gold bar direction have one
Cause property, and then achieve the purpose that control material discharge method.
The embodiment of the present invention is explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned implementations
Example, within the knowledge of a person skilled in the art, can also make without departing from the purpose of the present invention
Go out various change.
Claims (5)
1. a kind of temperature-controllable 3D printing nozzle of automatic adjustment discharge method, it is characterised in that including：Nozzle housing（1）, it is raw
Object charging module, temperature control modules, nozzle diameter control module and extra electric field electrode slice（2）；
The nozzle housing（1）For bottom opening, the hollow cylinder of top center trepanning, circular fixing plate（3）It is fixed on spray
Head shell（1）The middle and lower part of inner wall forms discharge port（4）, nozzle housing（1）On open there are two symmetrical heat emission hole（5）；
The biology charging module includes charging ladle（6）And extrusion piston（7）, charging ladle（6）For hollow circular-tube, concentric locking collar is mounted in
Nozzle housing（1）Inside is simultaneously fixed on circular fixing plate（3）On, extrusion piston（7）It is sleeved on charging ladle（6）It is interior；
The temperature control modules include resistance wire（8）And heat-conducting layer（9）, resistance wire（8）Uniform winding is in heat-conducting layer（9）It is outer
On wall, heat-conducting layer（9）It is sleeved on charging ladle（6）Outer and and charging ladle（6）Outer wall fits closely；
The nozzle diameter control module includes three pieces convergence piece（10）With three compressed springs（11）, three convergences piece
（10）It fits closely to form an open-topped inverted cone between each other, three convergence pieces（10）Pass through shaft and discharging respectively
Mouthful（4）It is connected, three compressed springs（11）It is separately fixed at three convergence pieces（10）And nozzle housing（1）Between inner wall；
Two extra electric field electrode slices（2）Symmetrically it is inlaid in nozzle housing（1）Inner wall bottom.
2. a kind of temperature-controllable 3D printing nozzle of automatic adjustment discharge method according to claim 1, it is characterised in that：
The convergence piece（10）Section be zigzag, three convergence pieces（10）Between mutually overlap, fit closely.
3. a kind of temperature-controllable 3D printing nozzle of automatic adjustment discharge method according to claim 1 or 2, feature exist
In：The temperature control modules further include temperature sensor（12）And main control module, temperature sensor（12）It is welded on heat-conducting layer
（9）On inner wall, temperature sensor（12）It is connect with the input terminal of main control module, the output end and temperature control modules of main control module
Computer heating control switch be connected.
4. a kind of temperature-controllable 3D printing nozzle of automatic adjustment discharge method according to claim 3, it is characterised in that：
The temperature sensor（12）For contact type temperature sensor.
5. a kind of temperature-controllable 3D printing nozzle of automatic adjustment discharge method according to claim 3, it is characterised in that：
The temperature control modules further include two heat emission fans（13）, it is flush-mounted in nozzle housing respectively（1）On two heat emission holes（5）
It is interior, two heat emission fans（13）Control switch be connected with the output end of main control module in temperature control modules.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810476124.5A CN108501373B (en) | 2018-05-17 | 2018-05-17 | Temperature-controllable 3D printing spray head capable of automatically adjusting discharging mode |
| US16/362,803 US10434713B1 (en) | 2018-05-15 | 2019-03-25 | Printhead device for 3D bio-printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810476124.5A CN108501373B (en) | 2018-05-17 | 2018-05-17 | Temperature-controllable 3D printing spray head capable of automatically adjusting discharging mode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108501373A true CN108501373A (en) | 2018-09-07 |
| CN108501373B CN108501373B (en) | 2020-11-27 |
Family
ID=63400630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810476124.5A Active CN108501373B (en) | 2018-05-15 | 2018-05-17 | Temperature-controllable 3D printing spray head capable of automatically adjusting discharging mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108501373B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE2051037A1 (en) * | 2020-09-02 | 2022-03-03 | Cellink Ab | Material cartridge arrangement for a dispensing system |
| RU213706U1 (en) * | 2022-01-25 | 2022-09-23 | Андрей Сергеевич Долгин | Extruder for printing ceramic pastes on a 3D printer using fusing technology |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104441651A (en) * | 2014-05-31 | 2015-03-25 | 福州大学 | Diameter controllable nozzle for 3D printing machine |
| CN105538715A (en) * | 2016-01-05 | 2016-05-04 | 杭州捷诺飞生物科技有限公司 | High-temperature printing spray head and 3D printing equipment applying same |
-
2018
- 2018-05-17 CN CN201810476124.5A patent/CN108501373B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104441651A (en) * | 2014-05-31 | 2015-03-25 | 福州大学 | Diameter controllable nozzle for 3D printing machine |
| CN105538715A (en) * | 2016-01-05 | 2016-05-04 | 杭州捷诺飞生物科技有限公司 | High-temperature printing spray head and 3D printing equipment applying same |
Non-Patent Citations (1)
| Title |
|---|
| 仝兴存: "《电子封装热管理先进材料》", 30 April 2016, 国防工业出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE2051037A1 (en) * | 2020-09-02 | 2022-03-03 | Cellink Ab | Material cartridge arrangement for a dispensing system |
| SE544535C2 (en) * | 2020-09-02 | 2022-07-05 | Cellink Bioprinting Ab | Material cartridge arrangement for a dispensing system |
| RU213706U1 (en) * | 2022-01-25 | 2022-09-23 | Андрей Сергеевич Долгин | Extruder for printing ceramic pastes on a 3D printer using fusing technology |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108501373B (en) | 2020-11-27 |
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Effective date of registration: 20240510 Address after: Room 703, Building 1, No. 430 Miaoqiao Road, Pudong New Area, Shanghai, 201315 Patentee after: Lanbaotai (Shanghai) Biopharmaceutical Co.,Ltd. Country or region after: China Address before: 030024 No. 79 West Main Street, Wan Berlin District, Shanxi, Taiyuan, Yingze Patentee before: Taiyuan University of Technology Country or region before: China |