CN106976227A - A kind of feeding system of the biological 3D printer of many shower nozzles - Google Patents
A kind of feeding system of the biological 3D printer of many shower nozzles Download PDFInfo
- Publication number
- CN106976227A CN106976227A CN201710263109.8A CN201710263109A CN106976227A CN 106976227 A CN106976227 A CN 106976227A CN 201710263109 A CN201710263109 A CN 201710263109A CN 106976227 A CN106976227 A CN 106976227A
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- China
- Prior art keywords
- shower nozzles
- feeding system
- valve
- printer
- biological
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Classifications
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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
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/753—Medical equipment; Accessories therefor
- B29L2031/7532—Artificial members, protheses
Abstract
The invention discloses a kind of feeding system of the biological 3D printers of many shower nozzles, include pressure source, air cleaner, pressure regulator, first pressure table, drier, proportional dump valve, second pressure table, 3 position-5 way magnetic valve, the first two five-way electromagnetic valves, 1 No. 4 sterilizing filters, the second two five-way electromagnetic valves, 1 No. 4 extrusion shower nozzles and controllers.The present invention can realize real-time control and the quick response of multiple material extrusion, it is adaptable to many shower nozzles biology 3D equipment of extrusion molding, not limited by material and technique.Feeding system feed control of the present invention is simple, stable, and feed switching is rapid, can realize the switch operating on host computer to shower nozzle, is fed continuous-stable.This feeding system is can be widely used on the 3D printer of printing plurality of liquid material.
Description
Technical field
The present invention relates to 3D printing field, the feeding system of more particularly to a kind of biological 3D printer of many shower nozzles.
Background technology
In actual life, when run into serious disease such as infect, tumour, wound when, cause bone, skin etc. tissue damage
Hinder, clinically general the most frequently used use autograft, allograft.But autograft easily triggers two
Secondary damage and the problem of bring Additional pain, limited amount.The problem of allograft is due to rejection, can cause
Process of tissue reparation fails, and the life of patient from now on is made troubles, and increases the expense of tissue repair.Other allosome tissue
Deficiency also proposes sternness test to tissue repair, has thousands of patient bearing the torment of slight illness every year.Organize work
Journey is element by cell, growth information, support, and tissue and organ are built in vitro or in vivo, is patient with wishing.3D is beaten
Print can print various complicated structure stands due to the method for increasing material manufacturing, huge to organizational project meaning.
Biological 3D printer is that one kind can assemble life under three-dimensional digital model driving according to the principle of increasing material manufacturing
Thing material or cell factory, the equipment of manufacture medicine equipment, tissue engineering bracket and organizer official rank.Itself and general 3D printer
Difference is that its raw material is biology modules rather than plastics.Multi-nozzle 3D printer can be realized not by the switching of different shower nozzles
With the print job of stock support.Due to containing multiple material inside tissue, so the organizational project branch that we print
Frame should simulate physiological environment complicated in human body, and multiple material is the essential requirement of support of 3D printing.Utilize many shower nozzles
Biological 3D printer produces the regeneration support of different materials labyrinth.
The feed section of the biological 3D printer of market is always difficult to stabilization and is accurately fed, or can only realize list
The condition of one material flows, and feeding system structure is cumbersome, and the mode of Screw Extrusion is used mostly to be fed, is adopted
With air pressure as power source, can meet ensure cell survival rate, it is pollution-free etc. it is biological in terms of requirement.Other pneumatic feed system
System can reduce the weight of printhead, can make 3D printer printing more efficiently.The existing biological 3D printer of many shower nozzles is difficult to reality
Accurate feeding after existing feeding system switching, it is difficult to realized by host computer to the atmospheric pressure value and feed in feeding system
The real-time start and stop of system are regulated and controled.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of feed system of the biological 3D printer of many shower nozzles
System, controls the problem of switching of a variety of shower nozzles is fed by the feeding system, three position five-way valve is controlled by controller in real time
In left, center, right three realize the break-makes of different feed gas circuits, cut additionally by the left and right position of two-position-five-way solenoid valve
Change the switching for realizing two shower nozzles.By magnetic valve come whether in middle position come realize detection feeding system break-make, pass through temperature
Degree sensor and heating element heater are in temperature constant state to ensure to extrude the biomaterial in shower nozzle, are the 3D printer of many shower nozzles
Switching feed, which is provided, in real time ensures.
To reach above-mentioned purpose, the present invention uses following technical scheme：
A kind of feeding system of the biological 3D printer of many shower nozzles, includes pressure source, air cleaner, pressure regulator, first
Pressure gauge, drier, proportional dump valve, second pressure table, 3 position-5 way magnetic valve, the first two five-way electromagnetic valves, 1-4 nothings
Bacterium filter, the second two five-way electromagnetic valves, No. 1-4 extrusion shower nozzle and controller；The pressure source passes sequentially through air filtration
Device, pressure regulator, drier connection proportional dump valve, the output end connection 3 position-5 way magnetic valve of the proportional dump valve
Air inlet, the gas outlet of 3 position-5 way magnetic valve connects the air inlet of two five-way electromagnetic valves, in the pressure regulator and dry
First pressure table is set between dry device, second pressure table is set between proportional dump valve and 3 position-5 way magnetic valve；No. 1 extrusion
Shower nozzle, No. 2 extrusion shower nozzles connect the first two five-way electromagnetic valves, No. 3 by No. 1 sterilizing filter, No. 2 sterilizing filters respectively
Extrusion shower nozzle, No. 4 extrusion shower nozzles connect the second two five energization magnetic by No. 3 sterilizing filters, No. 4 sterilizing filters respectively
Valve.
The pressure source used is micro air pump.
The 3 position-5 way magnetic valve seals formula magnetic valve in using, and its signal input part is connected with controller.
The signal input part of two five-way electromagnetic valves is connected with controller.
The signal input part of the proportional dump valve, output end are connected with controller.
Temperature sensor and heater, the output end of the temperature sensor are provided with No. 1-4 extrusion shower nozzle
It is connected with controller, the input of heating element heater is connected with controller.Controller receives the analog signal of temperature sensor, control
Heating element heats material, so as to realize the temperature control of feeding system.
The 1-4 sterilizing filters input connects two corresponding five-way electromagnetic valves, and output end connection is corresponding
No. 1-4 extrusion shower nozzle air inlet.
Communicated by host computer with controller, controller passing ratio pressure regulator valve carries out analog input and output to realize pair
The control of atmospheric pressure value in feeding system.Proportional dump valve comes with pressure feedback, and pressure signal can be converted into 0-10V's
Analog signal, feeds back to controller.Analog signal of the controller to one 0-10V of proportional dump valve, to realize that controller is contrasted
The control of example pressure regulator valve, host computer is based on Ethernet realization with controller and communicated, so that the control interface for passing through host computer is contrasted
Example valve control, show in feeding system be exactly pressure real-time control with monitor.
The switching and feed pause of multiple shower nozzles are with starting what is realized by the break-make of three magnetic valves, three electromagnetism
The input of valve is connected with controller, and controller realizes the commutation of magnetic valve by the control of digital output end, passes through electricity
Magnet valve is in different positions to realize the difference in functionality in feeding system, and feeding system is realized by the cooperation of three magnetic valves
Start and stop, and multiple feeding devices switch operating.
Compared with prior art, the beneficial effects of the invention are as follows：
1. a pressure value can be set by host computer, realized and communicated with controller by Ethernet, controller output voltage
Analog signal, then ratio adjusting valve voltage analog signal is received the pressure in feeding system is adjusted.The feed
System can be realized from host computer to the connection feed executing agency.
It is biomaterial 2. ensure that material is kept at normal temperatures in extrusion shower nozzle by temperature sensor and heater
Activity and viscosity provide ensure.
3. control magnetic valve to be in different positions to three magnetic valve data signals by controller, so as to realize different gas
Road switches and feed start and stop function.Feeding system feed control is simple, stable, and feed switching is rapid, can realize upper
To the switch operating of shower nozzle on machine, continuous-stable is fed.This feeding system can be widely used in the 3D of printing plurality of liquid material
On printer.
Brief description of the drawings
The feed schematic diagram of the biological 3D printer of many shower nozzles of Fig. 1.
The control module of Fig. 2 feeding systems.
Embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings, but the content protected of the present invention be not limited to
It is lower described.
As shown in figure 1, a kind of feeding system of the biological 3D printer of many shower nozzles, include pressure source 1, air cleaner 2,
Pressure regulator 3, first pressure table 4, drier 5, proportional dump valve 6, second pressure table 7,3 position-5 way magnetic valve 8, first
Two five-way electromagnetic valves 9,1-4 sterilizing filters 10,11,15,16, the second two five-way electromagnetic valves 14, No. 1-4 extrusion shower nozzles
12nd, 13,17,18 and controller 19；The pressure source 1 passes sequentially through air cleaner 2, pressure regulator 3, drier 5 and connected
Proportional dump valve 6, the air inlet of the output end connection 3 position-5 way magnetic valve 8 of the proportional dump valve 6,3 position-5 way magnetic valve
8 gas outlet connects the air inlet of two five-way electromagnetic valves 9,14, and the is set between the pressure regulator 3 and drier 5
One pressure gauge 4, sets second pressure table 7 between proportional dump valve 6 and 3 position-5 way magnetic valve 8；No. 1 extrusion shower nozzle 12, No. 2
Shower nozzle 13 is extruded respectively by No. 1 sterilizing filter 10, the first two five-way electromagnetic valves 9,3 of No. 2 sterilizing filters 11 connection
Shower nozzle 17, No. 4 extrusion shower nozzles 18 are extruded respectively by No. 3 sterilizing filters 15, the connection of No. 4 sterilizing filters 16 the second two five
Three-way electromagnetic valve 14.
The pressure source 1 used is micro air pump.
The 3 position-5 way magnetic valve 8 seals formula magnetic valve in using, and its signal input part is connected with controller 19.
The signal input part of two five-way electromagnetic valves 9,14 is connected with controller 19.
The signal input part of the proportional dump valve 6, output end are connected with controller 19.
Temperature sensor 21 and heater 20, the temperature are provided with No. 1-4 extrusion shower nozzle 12,13,17,18
The output end of sensor 21 is connected with controller 19, and the input of heating element heater is connected with controller 19.
The input of 1-4 sterilizing filters 10,11,15,16 connects corresponding two five-way electromagnetic valves 9,14, defeated
Go out the air inlet of No. 1-4 corresponding extrusion shower nozzle 12,13,17,18 of end connection.
The realization of the Real Time Control Function of pressure in feeding system, a safe pressure value is set by pressure regulator 3
To carry out the preliminary regulation of pressure, the pressure value required for controller 19 1, controller are then given in real time by host computer
19 output pressure analog signals control the air pressure of the output end of proportional dump valve 6, and proportional dump valve 6 is according to the gas of output end in addition
Pressure value produces a pressure simulation signal, and then feeds back to controller 19, so as to realize real-time prison of the host computer to feeding system
Control and regulation.
The operation principle of present system is as follows：
The pause function of the switching of gas circuit and feed is realized in feeding system, when 3 position-5 way magnetic valve 8 is in middle position
Wait, feeding system pause feed.The 3 position-5 way magnetic valve 8 that formula is sealed in is to be to when feed is suspended, be fed
Atmospheric pressure value in system remains to be maintained at a stable pressure value.It is right when the magnet coil on the left side of 3 position-5 way magnetic valve 8 is powered
When no power is enclosed in sideline, left side gas circuit realizes connection, No. 1 extrusion extruded material of shower nozzle 12；Then when the first two five energization magnetic
After the magnet coil of valve 9 is powered, the first two five-way electromagnetic valves 9 are in left position, No. 2 extrusion extruded materials of shower nozzle 13；When three
The magnet coil on the right of five-way electromagnetic valve 8 is powered, during the coil no power of the left side, and the right gas circuit realizes connection, No. 3 extrusion shower nozzles 17
Extruded material；Then after the magnet coil of the second two five-way electromagnetic valves 14 is powered, the second two five-way electromagnetic valves 14 are in
Zuo Wei, No. 4 extrusion extruded materials of shower nozzle 18.The break-make of electromagnetic coil circuit be the digital analogue signal that is exported by controller 19 Lai
Realize the position control of magnetic valve.
Claims (7)
1. a kind of feeding system of the biological 3D printer of many shower nozzles, it is characterised in that：Include pressure source（1）, air cleaner
（2）, pressure regulator（3）, first pressure table（4）, drier（5）, proportional dump valve（6）, second pressure table（7）, three five
Three-way electromagnetic valve（8）, the first two five-way electromagnetic valves（9）, 1-4 sterilizing filters（10、11、15、16）, the second two five be powered
Magnet valve（14）, No. 1-4 extrusion shower nozzle（12、13、17、18）And controller（19）；The pressure source（1）Pass sequentially through air filtration
Device（2）, pressure regulator（3）, drier（5）Connect proportional dump valve（6）, the proportional dump valve（6）Output end connection
3 position-5 way magnetic valve（8）Air inlet, 3 position-5 way magnetic valve（8）Gas outlet connect two five-way electromagnetic valves（9、14）'s
Air inlet, in the pressure regulator（3）And drier（5）Between set first pressure table（4）, in proportional dump valve（6）With
3 position-5 way magnetic valve（8）Between set second pressure table（7）；No. 1 extrusion shower nozzle（12）, No. 2 extrusion shower nozzles（13）Lead to respectively
Cross No. 1 sterilizing filter（10）, No. 2 sterilizing filters（11）Connect the first two five-way electromagnetic valves（9）, No. 3 extrusion shower nozzles
（17）, No. 4 extrusion shower nozzles（18）Pass through No. 3 sterilizing filters respectively（15）, No. 4 sterilizing filters（16）Connect the second two five
Three-way electromagnetic valve（14）.
2. the feeding system of the biological 3D printer of many shower nozzles according to claim 1, it is characterised in that：The pressure used
Source（1）For micro air pump.
3. the feeding system of the biological 3D printer of many shower nozzles according to claim 1, it is characterised in that：The 3 position-5 way
Magnetic valve（8）Formula magnetic valve, its signal input part and controller are sealed in（19）It is connected.
4. the feeding system of the biological 3D printer of many shower nozzles according to claim 1, it is characterised in that：Described two five lead to
Magnetic valve（9、14）Signal input part and controller（19）It is connected.
5. the feeding system of the biological 3D printer of many shower nozzles according to claim 1, it is characterised in that：The ratio pressure regulation
Valve（6）Signal input part, output end and controller（19）It is connected.
6. the feeding system of the biological 3D printer of many shower nozzles according to claim 1, it is characterised in that：Described No. 1-4 is squeezed
Go out shower nozzle（12、13、17、18）It is interior to be provided with temperature sensor（21）And heater（20）, the temperature sensor（21）'s
Output end and controller（19）It is connected, the input and controller of heating element heater（19）It is connected.
7. the feeding system of the biological 3D printer of many shower nozzles according to claim 1, it is characterised in that：The 1-4 nothings
Bacterium filter（10、11、15、16）Input connects two corresponding five-way electromagnetic valves（9、14）, output end connects corresponding
No. 1-4 extrusion shower nozzle（12、13、17、18）Air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710263109.8A CN106976227B (en) | 2017-04-21 | 2017-04-21 | A kind of feeding system of more spray head biology 3D printers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710263109.8A CN106976227B (en) | 2017-04-21 | 2017-04-21 | A kind of feeding system of more spray head biology 3D printers |
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| Publication Number | Publication Date |
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| CN106976227A true CN106976227A (en) | 2017-07-25 |
| CN106976227B CN106976227B (en) | 2019-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710263109.8A Active CN106976227B (en) | 2017-04-21 | 2017-04-21 | A kind of feeding system of more spray head biology 3D printers |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108501359A (en) * | 2018-04-23 | 2018-09-07 | 广州迈普再生医学科技股份有限公司 | A kind of control system of biology 3D printer pneumatic sprayhead |
| CN110561747A (en) * | 2019-08-22 | 2019-12-13 | 浙江大学 | Desktop-level biological 3D printing system |
| CN110587989A (en) * | 2019-08-31 | 2019-12-20 | 共享智能装备有限公司 | Device is added to 3D printer liquid material |
| CN114147951A (en) * | 2021-11-29 | 2022-03-08 | 浙江大学 | Pneumatic multi-channel control system and method for multi-nozzle biological 3D printing system |
| CN114261089A (en) * | 2021-12-24 | 2022-04-01 | 浙江大学滨海产业技术研究院 | Desktop-level biological 3D printer device and method |
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| US20160325498A1 (en) * | 2015-05-04 | 2016-11-10 | Daniel Gelbart | 3D Printer Based on a Staggered Nozzle Array |
| CN106222085A (en) * | 2016-07-28 | 2016-12-14 | 西安交通大学 | A kind of high-precision biology is combined 3D printing equipment and Method of printing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS57128559A (en) * | 1981-02-03 | 1982-08-10 | Canon Inc | Ink jet printer |
| US20160325498A1 (en) * | 2015-05-04 | 2016-11-10 | Daniel Gelbart | 3D Printer Based on a Staggered Nozzle Array |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108501359A (en) * | 2018-04-23 | 2018-09-07 | 广州迈普再生医学科技股份有限公司 | A kind of control system of biology 3D printer pneumatic sprayhead |
| CN110561747A (en) * | 2019-08-22 | 2019-12-13 | 浙江大学 | Desktop-level biological 3D printing system |
| CN110587989A (en) * | 2019-08-31 | 2019-12-20 | 共享智能装备有限公司 | Device is added to 3D printer liquid material |
| CN114147951A (en) * | 2021-11-29 | 2022-03-08 | 浙江大学 | Pneumatic multi-channel control system and method for multi-nozzle biological 3D printing system |
| CN114261089A (en) * | 2021-12-24 | 2022-04-01 | 浙江大学滨海产业技术研究院 | Desktop-level biological 3D printer device and method |
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| Publication number | Publication date |
|---|---|
| CN106976227B (en) | 2019-06-25 |
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