CN208376018U - A kind of 3D printing spray head that more barrel single injectors squeeze out - Google Patents
A kind of 3D printing spray head that more barrel single injectors squeeze out Download PDFInfo
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- CN208376018U CN208376018U CN201820578775.0U CN201820578775U CN208376018U CN 208376018 U CN208376018 U CN 208376018U CN 201820578775 U CN201820578775 U CN 201820578775U CN 208376018 U CN208376018 U CN 208376018U
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- barrel
- flange
- spray head
- centre gangway
- temperature control
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Abstract
A kind of 3D printing spray head that more barrel single injectors squeeze out, wherein, including centre gangway flange, the motor above centre gangway flange, the screw arbor assembly between centre gangway flange and motor, at least two mutually independent barrels and the syringe needle below centre gangway flange, vertical sprue and horizontal flow road are set inside centre gangway flange, horizontal flow road one end is connect with vertical sprue top, the bottom end of each barrel is connected with the corresponding horizontal flow road other end by electromagnetic valve component respectively, and syringe needle is connect with the bottom end of vertical sprue.The showerhead configurations of the utility model have a syringe needle and at least two mutually independent barrels, and electromagnetic valve component is provided with below each barrel, and each barrel can load not same material, it can be achieved that more materials switching printing while printing and/or gradient printing.When need to only print a kind of material, each barrel loads same material can promote the material capacity of spray head at double.
Description
Technical field
The utility model relates to 3D printing technique fields, beat more particularly, to a kind of 3D that more barrel single injectors squeeze out
Print spray head.
Background technique
3D printing technique is a kind of increases material manufacturing technology, and the 3D printing for being applied to field of biomedicine is a kind of offer human body
The technology of tissue and the bionical modeling of organ and external regeneration manufacture, material and component used in biological 3D printing are different
And update that iteration frequency is higher, and this requires biometric print machine especially spray heads to have better versatility and simultaneous to biomaterial
Capacitive.
The spray head that circulation is compared in market generally only has single barrel, only allows to print a kind of material simultaneously or difference
The homogeneous material that is uniformly mixed to form of material of co-blended can be loaded into barrel and print in advance.For that can not be blended and must not
When the more file printings that can be lacked more materials can only be realized using the mutual switching between more spray heads by way of increasing spray head quantity
The cooperation printing shaping of material.On the one hand excessive amount of spray head can reduce printing effect, on the other hand, more spray heads are constantly switching
The repetitive positioning accuracy that needle point can be lost in the process, influences final printing precision.For needing shared by different materials each component
Concentration when generating change of gradient printing, common thin material cylinder spray head cannot achieve.
Utility model content
For the defect for overcoming the above-mentioned prior art, the utility model provides a kind of 3D printing spray that more barrel single injectors squeeze out
Head.The 3D printing showerhead configurations have a syringe needle and at least two mutually independent barrels, it can be achieved that the switching of multiple material is beaten
Print, simultaneously printing and/or gradient printing, at the same it is simple and compact for structure, and printing precision will not be lost.
In order to solve the above technical problems, the technical solution adopted in the utility model is: a kind of more barrel single injectors extrusions
3D printing spray head, wherein including centre gangway flange, the motor above the centre gangway flange, be set to the center
Screw arbor assembly between channel flange and motor, at least two circumferentially setting and mutually independent barrel and set along the motor
Syringe needle below the centre gangway flange.Be equipped with inside the centre gangway flange vertical sprue and with the barrel number
Corresponding horizontal flow road is measured, the one end in the horizontal flow road is connect with the vertical sprue top, it is preferable that level point
Runner is equidistantly uniformly distributed, and every horizontal flow road corresponds to a barrel, and horizontal flow road finally converges to vertical mainstream
Road, vertical sprue are spray head material mixed zone.The bottom end of each barrel is another with corresponding horizontal flow road respectively
End is connected by electromagnetic valve component, and the syringe needle is connect with the bottom end of the vertical sprue.
In this way, each barrel can load the biomaterial of heterogeneity.When needing more material switching printings, can pass through
The material that electromagnetic valve component controls in corresponding barrel enters corresponding horizontal flow road, and then the material in horizontal flow road enters
To vertical sprue, printing shaping is squeezed out by syringe needle, more material switching printings are realized on the basis of not using remaining spray head,
It is poor to avoid tip height caused by when different spray head switchings print；When needing more materials to print simultaneously and/or gradient prints,
The material in corresponding barrel can be controlled by electromagnetic valve component enters and/or enter in proportion corresponding horizontal flow road simultaneously,
Then the material in each horizontal flow road enters vertical sprue, and vertical sprue is spray head material mixed zone, motor and screw rod
Component can guarantee to be uniformly mixed, after mixing by squeezing out printing shaping by syringe needle, while realizing more materials printing and/
Or the printing requirement of concentration gradient variation.
In addition, can keep loading identical material in each barrel when not needing more file printings, so that spray head
Material capacity expands several times, guarantees the model that more or bigger specification is printed in the case where not shutting down more conversion materials.
Further, the lower part of the screw arbor assembly is extend into inside the vertical sprue, the output shaft of the motor
It is connect with the top of the screw arbor assembly.
Further, the screw arbor assembly includes screw rod and is located between the screw rod and the centre gangway flange
First sealing ring and the second sealing ring, the screw rod include being located in the middle step section and being located at the step section or more two
The linkage section and thread segment of side, the thread segment are placed in inside the vertical sprue.The first sealing ring is located at described
On the outer wall of step section, second sealing ring is located at the junction of the step section Yu the thread segment.More materials simultaneously
When printing and/or gradient print, the uniformity of the material of spray head material mixed zone directly determines the mechanics and biology of printer model
Characteristic is learned, a variety of materials to be mixed of spray head material mixed zone are forced by the screw rod that motor drives lower part to have thread segment
Stirring can guarantee that material is uniformly mixed, and effectively reduce the generation of the uneven caused material isolation phenomenon of mixing.Stirring is used
Screw rod and spray head material mixed zone belong to dynamic sealing, on screw rod middle bench section outer wall and step section is connect with thread segment
The first sealing ring and the second sealing ring that place is set can guarantee that spray head material mixed zone strictly seals.
Further, the circumferential side wall of the centre gangway flange is equipped with the end with each horizontal flow road other end
The cleaning eye of head connection, the cleaning eye are equipped with sealing screw.In spray head wash phase, all barrels can pass through Design of Screw Thread
Unscrew and remove, and barrel is individually cleared up.It, can be by cleaning eye to complicated stream for the runner of spray head material mixed zone
Road is quickly cleaned, and in non-clean-up phase, cleaning eye is sealed using sealing screw.
Further, the electromagnetic valve component includes electromagnetism on-off valve or proportioning valve, is located at the barrel and electromagnetism on-off
It barrel adapter between valve or proportioning valve and is located between the centre gangway flange and electromagnetism on-off valve or proportioning valve
Flange adapter.Barrel is connect by way of Design of Screw Thread with barrel adapter.
Further, the motor is fixed on the centre gangway flange by motor retainer, the motor it is defeated
Shaft is flexibly connected by the linkage section of shaft coupling and the screw rod, and the shaft coupling is located inside the motor retainer.
Further, the periphery of each barrel is additionally provided with temperature control component, what the temperature control component of barrel periphery can be convenient
The temperature of biomaterial in each barrel of independent control, the temperature between keeping physical isolation to prevent between adjacent barrel are dry
It disturbs, can cooperate different Thermo-sensitive biomaterials to the demand difference in temperature field in this way.The temperature control component includes being set in institute
The barrel temperature control tube of barrel periphery is stated, and barrel heating rod and the barrel temperature sensing being plugged on the barrel temperature control tube
Device, the motor are equipped with barrel temperature control tube retainer, the barrel temperature control tube and the fixed company of the barrel temperature control tube retainer
It connects.The barrel temperature control tube retainer is made of the material of low thermal conductivity, to prevent the temperature between adjacent barrel temperature control tube
Interference and barrel temperature control tube interfere the temperature rise that motor generates.The side of the barrel temperature control tube is set there are two right angle portion, institute
It states right angle portion and is equipped with slot, the barrel heating rod and barrel temperature sensor are respectively provided at the slot in described two right angle portions
In.The side wall of the barrel temperature control tube is equipped with observation window of liquid level, to facilitate the surplus situation of material in observation barrel.The material
It is equipped with heat-conducting silicone grease on the outer wall of cylinder heating rod and barrel temperature sensor, to guarantee good thermal conductivity.
Further, the syringe needle periphery is equipped with syringe needle that is detachable with the centre gangway flange base and being tightly connected
Retainer, when needing replacing syringe needle, it is only necessary to unscrew the syringe needle that needle holder can be removed and replace appropriate size；It is described
It is equipped with flange heating rod and flange temperature sensor inside centre gangway flange, utilizes flange heating rod and flange temperature sensor
Temperature control method temperature control is carried out to spray head material mixed zone and spray head syringe needle, the material of spray head material mixed zone can be prevented
Due to temperature uncontrollable the phenomenon that leading to spray nozzle clogging when mixing.When carrying out temperature control, using thermal coefficient lesser zero
Part forms physical isolation, the heat transmitting of strict control between the two between spray head material mixed zone and barrel area.The center
Channel flange and needle holder are made of the material of high thermal conductivity coefficient.In this way, the temperature that flange heating rod generates can lead to
It crosses centre gangway flange and needle holder is conducted to tip end, so that the temperature of centre gangway flange and nozzle syringe needle can
Control.
Compared with prior art, the utility model has the following beneficial effects:
The 3D printing spray head of the utility model is provided with a syringe needle and at least two mutually independent barrels, it can be achieved that more
Kind material switching printing, simultaneously printing and/or gradient print, while simple and compact for structure, and will not lose the printing essence of spray head
Degree.When need to only print a kind of material, each barrel can promote the material capacity of spray head at double when loading same material.
The 3D printing spray head of the utility model is provided with electromagnetic valve component below each barrel, and each barrel loads different materials
When, every kind of material can be controlled by electromagnetic valve component and is individually squeezed out from nozzle, realized on the basis of not using remaining spray head
More material switching printings, and avoid tip height error caused by when different spray head switchings print；Solenoid valve can also be passed through
Component controls the material in each barrel while squeezing out or squeezing out in proportion, printing and/or gradient printing while realizing more materials.
Motor and screw arbor assembly are provided on the 3D printing spray head of the utility model, biomaterial is relied on when mixing and squeezing out
Motor drives helical screw agitator, ensure that the consistent uniformity of more material mixing.
The temperature of each barrel of the 3D printing spray head of the utility model can independent control, the temperature of spray head runner and syringe needle
It can also independent control.
The 3D printing spray head of the utility model is provided with cleaning eye on centre gangway flange, can lead in spray head cleaning
It crosses reserved cleaning eye and quickly cleans remaining material in runner.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the 3D printing spray head of the utility model.
Fig. 2 is the longitudinal sectional drawing of the 3D printing spray head of the utility model.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；In order to better illustrate this embodiment, attached
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable.Being given for example only property of positional relationship is described in attached drawing
Illustrate, should not be understood as the limitation to this patent.
As depicted in figs. 1 and 2, the D printing head that a kind of 2 single injector of more barrels squeezes out, wherein including centre gangway flange
1, the motor 4 above the centre gangway flange 1, the screw arbor assembly between the centre gangway flange 1 and motor 4
5, at least two along the circumferential setting of the motor 4 and mutually independent barrel 2 and set on 1 lower section of centre gangway flange
Syringe needle 3.Vertical sprue 11 and horizontal flow road corresponding with 2 quantity of barrel are equipped with inside the centre gangway flange 1
12, the one end in the horizontal flow road 12 is connect with vertical 11 top of sprue, it is preferred that horizontal flow road 12 is equidistant
It being uniformly distributed, every horizontal flow road 12 corresponds to a barrel 2, and horizontal flow road 12 finally converges to vertical sprue 11,
Vertical sprue 11 is spray head material mixed zone.The bottom end of each barrel 2 is another with corresponding horizontal flow road 12 respectively
One end is connected by electromagnetic valve component 6, and the syringe needle 3 is connect with the bottom end of the vertical sprue 11.
In this way, each barrel 2 can load the biomaterial of heterogeneity.When needing more material switching printings, can lead to
It crosses the material that electromagnetic valve component 6 controls in corresponding barrel 2 and enters corresponding horizontal flow road 12, then in horizontal flow road 12
Material enters vertical sprue 11, squeezes out printing shaping by syringe needle 3, realizes more materials on the basis of not using remaining spray head
It is poor to avoid tip height caused by when different spray head switchings print for material switching printing；When needing more materials to print simultaneously and/or
When gradient prints, correspondence can be entered by the material entrance simultaneously in the corresponding barrel 2 of the control of electromagnetic valve component 6 and/or in proportion
Horizontal flow road 12, then the material in each horizontal flow road 12 enter vertical sprue 11, vertical sprue 11 be spray head
Material mixed zone, motor 4 and screw arbor assembly 5 can guarantee to be uniformly mixed, after mixing by being printed as by the extrusion of syringe needle 3
Type, the printing requirement of printing and/or concentration gradient variation while realizing more materials.
In addition, can keep loading identical material in each barrel 2, so that spray head when not needing more file printings
Material capacity expand several times, guarantee to print the model of more or bigger specification in the case where not shutting down more conversion materials.
As shown in Fig. 2, the lower part of the screw arbor assembly 5 is extend into inside the vertical sprue 11, the motor 4 it is defeated
Shaft is connect with the top of the screw arbor assembly 5.Specifically, the screw arbor assembly 5 including screw rod 51 and is located at the screw rod
The first sealing ring 52 and the second sealing ring 53 between 51 and the centre gangway flange 1, the screw rod 51 include being located at centre
Step section and be located at the linkage section and thread segment of step section two sides up and down, the thread segment is placed in the vertical master
Inside runner 11.First sealing ring, 52 ring is located on the outer wall of the step section, and second sealing ring 53 is located at described
The junction of step structure section and the thread segment.When more materials print simultaneously and/or gradient prints, spray head material mixed zone
The uniformity of material directly determine the mechanics and biological characteristics of printer model, pass through the thread segment that motor 4 drives screw rod 51
Action of forced stirring is carried out to a variety of materials to be mixed of spray head material mixed zone, can guarantee to be uniformly mixed, effectively reduce mixing not
The generation of material isolation phenomenon caused by uniformly.The screw rod 51 of stirring and spray head material mixed zone belong to dynamic sealing, screw rod
53 energy of first sealing ring 52 and the second sealing ring set by 51 middle bench section outer walls and step section and thread segment junction
Enough guarantee that spray head material mixed zone strictly seals.
As depicted in figs. 1 and 2, the circumferential side wall of the centre gangway flange 1 is equipped with and each horizontal flow road 12
The cleaning eye of the end connection of the other end, the cleaning eye are equipped with sealing screw 13.In spray head wash phase, all barrels 2
It can be unscrewed by Design of Screw Thread and be removed, and barrel 2 is individually cleared up.For the runner of spray head material mixed zone, can pass through
Cleaning eye quickly cleans complicated runner, and in non-clean-up phase, cleaning eye is sealed using sealing screw 13.
As depicted in figs. 1 and 2, the electromagnetic valve component 6 includes electromagnetism on-off valve or proportioning valve 61, is located at the barrel 2
Barrel adapter 62 between electromagnetism on-off valve or proportioning valve 61 and it is located at the centre gangway flange 1 and electromagnetism on-off valve
Or the flange adapter 63 between proportioning valve 61.Barrel 2 is connect by way of Design of Screw Thread with barrel adapter 62.This implementation
In example, when each barrel 2 loads different materials, every kind of material can be controlled by electromagnetic valve component 6 and is individually squeezed out from nozzle, is not made
It is printed with more material switchings are realized on the basis of remaining spray head, and avoids needle point caused by when different spray heads switchings print
Height error；The material in each barrel 2 can also be controlled by electromagnetic valve component 6 while squeezing out or squeezing out in proportion, realize more materials
Printing and/or gradient printing while material.
As depicted in figs. 1 and 2, the motor 4 is fixed on the centre gangway flange 1 by motor retainer 9, described
The output shaft of motor 4 is flexibly connected by the linkage section of shaft coupling 10 and the screw rod 51, and the shaft coupling 10 is located at the electricity
Inside machine retainer 9.
As depicted in figs. 1 and 2, the periphery of each barrel 2 is additionally provided with temperature control component 8, the temperature control component 8 of 2 periphery of barrel
The temperature of biomaterial in each barrel 2 of the independent control that can be convenient keeps physical isolation to prevent each other between adjacent barrel 2
Between temperature interference, can cooperate different Thermo-sensitive biomaterials to the demand difference in temperature field in this way.The temperature control component 8
Barrel temperature control tube 81 including being set in 2 periphery of barrel, and the barrel heating being plugged on the barrel temperature control tube 81
Stick 82 and barrel temperature sensor 83, the motor 4 are equipped with barrel temperature control tube retainer 84, the barrel temperature control tube 81 and institute
Barrel temperature control tube retainer 84 is stated to be fixedly connected.The barrel temperature control tube retainer 84 is made of the material of low thermal conductivity, with
Prevent temperature interference and barrel temperature control tube 81 between adjacent barrel temperature control tube 81 from interfering the temperature rise that motor 4 generates.It is described
The side of barrel temperature control tube 81 is set there are two right angle portion 85, and the right angle portion 85 is equipped with slot, 82 He of barrel heating rod
Barrel temperature sensor 83 is respectively provided in the slot in described two right angle portions 85.The side wall of the barrel temperature control tube 81 is equipped with
Observation window of liquid level 86, to facilitate the surplus situation of material in observation barrel 2.The barrel heating rod 82 and barrel temperature sensor
It is equipped with heat-conducting silicone grease on 83 outer wall, to guarantee good thermal conductivity.
In the present embodiment, 3 periphery of syringe needle is equipped with detachable with 1 bottom of centre gangway flange and sealed connection
Needle holder 7, when needing replacing syringe needle, it is only necessary to unscrew the needle that needle holder 7 can be removed and replace appropriate size
Head；It is equipped with flange heating rod and flange temperature sensor inside the centre gangway flange 1, utilizes flange heating rod and flange temperature
The temperature control method for spending sensor carries out temperature control to spray head material mixed zone and spray head syringe needle 3, and spray head material can be prevented mixed
Due to temperature uncontrollable the phenomenon that leading to spray nozzle clogging when closing the material mixing in area.When carrying out temperature control, using thermally conductive system
The lesser part of number forms physical isolation between 2nd area of spray head material mixed zone and barrel, and the heat of strict control between the two passes
It passs.The centre gangway flange 1 and needle holder 7 are made of the material of high thermal conductivity coefficient.In this way, what flange heating rod generated
Temperature can by centre gangway flange 1 and the conduction of needle holder 7 to tip end so that centre gangway flange 1 and
The temperature-controllable of nozzle syringe needle 3.
Obviously, the above embodiments of the present invention is used for the purpose of clearly demonstrating examples for clearly illustrating the present invention,
And it is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, it is stated upper
It can also be made other variations or changes in different ways on the basis of bright.There is no need and unable to give all embodiments
With exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc. should all include
Within the protection scope of the utility model claims.
Claims (10)
1. a kind of 3D printing spray head that more barrel single injectors squeeze out, which is characterized in that including centre gangway flange (1), be set to institute
State the motor (4) above centre gangway flange (1), the screw arbor assembly being set between the centre gangway flange (1) and motor (4)
(5), at least two along the setting of the motor (4) circumferential direction and mutually independent barrel (2) and set on the centre gangway flange
(1) syringe needle (3) below；
It is equipped with inside the centre gangway flange (1) vertical sprue (11) and horizontal point corresponding with the barrel (2) quantity
Runner (12), one end of the horizontal flow road (12) are connect with vertical sprue (11) top, each barrel (2)
Bottom end respectively with the other end of corresponding horizontal flow road (12) by electromagnetic valve component (6) connect, the syringe needle (3) with it is described
The bottom end connection of vertical sprue (11).
2. the 3D printing spray head that more barrel single injectors according to claim 1 squeeze out, which is characterized in that the screw arbor assembly
(5) lower part extend into vertical sprue (11) inside, output shaft and the screw arbor assembly (5) of the motor (4)
Top connection.
3. the 3D printing spray head that more barrel single injectors according to claim 2 squeeze out, which is characterized in that the screw arbor assembly
It (5) include screw rod (51) and the first sealing ring (52) being located between the screw rod (51) and the centre gangway flange (1)
With the second sealing ring (53), the screw rod (51) includes being located in the middle step section and being located at step section two sides up and down
Linkage section and thread segment, it is internal that the thread segment is placed in the vertical sprue (11).
4. the 3D printing spray head that more barrel single injectors according to claim 3 squeeze out, which is characterized in that first sealing
Circle (52) ring is located on the outer wall of the step section, and second sealing ring (53) is located at the step section and the thread segment
Junction.
5. the 3D printing spray head that more barrel single injectors according to claim 1 squeeze out, which is characterized in that the centre gangway
The circumferential side wall of flange (1) is equipped with the cleaning eye being connected to the end of each horizontal flow road (12) other end, described clear
It manages hole and is equipped with sealing screw (13).
6. the 3D printing spray head that more barrel single injectors according to claim 1 squeeze out, which is characterized in that the solenoid valve block
Part (6) includes electromagnetism on-off valve or proportioning valve (61), is located between the barrel (2) and electromagnetism on-off valve or proportioning valve (61)
Barrel adapter (62) and the flange being located between the centre gangway flange (1) and electromagnetism on-off valve or proportioning valve (61) turn
Connector (63).
7. the 3D printing spray head that more barrel single injectors according to claim 3 squeeze out, which is characterized in that the motor (4)
It is fixed on the centre gangway flange (1) by motor retainer (9), the output shaft of the motor (4) passes through shaft coupling
(10) it is flexibly connected with the linkage section of the screw rod (51), it is internal that the shaft coupling (10) is located at the motor retainer (9).
8. the 3D printing spray head that more barrel single injectors according to claim 1 squeeze out, which is characterized in that each barrel
(2) periphery is additionally provided with temperature control component (8), and the temperature control component (8) includes the barrel temperature control for being set in the barrel (2) periphery
It manages (81), and the barrel heating rod (82) and barrel temperature sensor (83) that are plugged on the barrel temperature control tube (81), institute
Motor (4) are stated equipped with barrel temperature control tube retainer (84), the barrel temperature control tube (81) and the barrel temperature control tube retainer
(84) it is fixedly connected.
9. the 3D printing spray head that more barrel single injectors according to claim 8 squeeze out, which is characterized in that the barrel temperature control
The side of pipe (81) is set there are two right angle portion (85), and the right angle portion (85) is equipped with slot, the barrel heating rod (82) and
Barrel temperature sensor (83) is respectively provided in the slot of described two right angle portions (85), the side wall of the barrel temperature control tube (81)
It is equipped with observation window of liquid level (86).
10. the 3D printing spray head that more barrel single injectors according to claim 1 squeeze out, which is characterized in that the syringe needle (3)
Periphery is equipped with needle holder (7) that is detachable with centre gangway flange (1) bottom and being tightly connected；The centre gangway
Flange heating rod and flange temperature sensor, the centre gangway flange (1) and needle holder (7) are equipped with inside flange (1)
It is made of the material of high thermal conductivity coefficient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820578775.0U CN208376018U (en) | 2018-04-23 | 2018-04-23 | A kind of 3D printing spray head that more barrel single injectors squeeze out |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820578775.0U CN208376018U (en) | 2018-04-23 | 2018-04-23 | A kind of 3D printing spray head that more barrel single injectors squeeze out |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208376018U true CN208376018U (en) | 2019-01-15 |
Family
ID=64972295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820578775.0U Active CN208376018U (en) | 2018-04-23 | 2018-04-23 | A kind of 3D printing spray head that more barrel single injectors squeeze out |
Country Status (1)
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| CN (1) | CN208376018U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110239096A (en) * | 2019-06-28 | 2019-09-17 | 哈尔滨汇恒科技有限公司 | Extruded type biology 3D printing spray head |
| CN110253884A (en) * | 2019-06-26 | 2019-09-20 | 北京矩阵空间科技有限公司 | Compound extruded 3D printing spray head and 3D printer |
| CN110481021A (en) * | 2019-07-24 | 2019-11-22 | 苏州大学 | A kind of certainly mixed extrusion type 3D printer head |
| CN111086210A (en) * | 2019-12-09 | 2020-05-01 | 江苏大学 | 3D printing-based equipment and method for processing net-shaped multilayer structure composite material |
| CN113334766A (en) * | 2021-07-20 | 2021-09-03 | 杭州捷诺飞生物科技股份有限公司 | Multichannel 3D prints shower nozzle |
| CN113352601A (en) * | 2021-05-12 | 2021-09-07 | 西安交通大学 | 3D printing device and method for high-viscosity resin multiple concentric structure |
| CN113787712A (en) * | 2021-11-01 | 2021-12-14 | 辽宁工程技术大学 | Split type FDM type 3D printer nozzle system |
| CN114103473A (en) * | 2021-11-22 | 2022-03-01 | Tcl华星光电技术有限公司 | Ink jet printing apparatus and ink jet printing method |
| CN114654726A (en) * | 2022-03-04 | 2022-06-24 | 中国科学院重庆绿色智能技术研究院 | 3D printer head with material circulation function |
| CN114750414A (en) * | 2022-06-16 | 2022-07-15 | 季华实验室 | 3D suspension printing method for multi-material or gradient structure material model |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110253884A (en) * | 2019-06-26 | 2019-09-20 | 北京矩阵空间科技有限公司 | Compound extruded 3D printing spray head and 3D printer |
| CN110239096A (en) * | 2019-06-28 | 2019-09-17 | 哈尔滨汇恒科技有限公司 | Extruded type biology 3D printing spray head |
| CN110239096B (en) * | 2019-06-28 | 2021-03-23 | 哈尔滨汇恒科技有限公司 | Extrusion type biological 3D printing nozzle |
| CN110481021A (en) * | 2019-07-24 | 2019-11-22 | 苏州大学 | A kind of certainly mixed extrusion type 3D printer head |
| CN111086210A (en) * | 2019-12-09 | 2020-05-01 | 江苏大学 | 3D printing-based equipment and method for processing net-shaped multilayer structure composite material |
| CN113352601A (en) * | 2021-05-12 | 2021-09-07 | 西安交通大学 | 3D printing device and method for high-viscosity resin multiple concentric structure |
| CN113334766A (en) * | 2021-07-20 | 2021-09-03 | 杭州捷诺飞生物科技股份有限公司 | Multichannel 3D prints shower nozzle |
| CN113787712A (en) * | 2021-11-01 | 2021-12-14 | 辽宁工程技术大学 | Split type FDM type 3D printer nozzle system |
| CN114103473A (en) * | 2021-11-22 | 2022-03-01 | Tcl华星光电技术有限公司 | Ink jet printing apparatus and ink jet printing method |
| CN114654726A (en) * | 2022-03-04 | 2022-06-24 | 中国科学院重庆绿色智能技术研究院 | 3D printer head with material circulation function |
| CN114654726B (en) * | 2022-03-04 | 2024-03-15 | 中国科学院重庆绿色智能技术研究院 | 3D printer head with material circulation function |
| CN114750414A (en) * | 2022-06-16 | 2022-07-15 | 季华实验室 | 3D suspension printing method for multi-material or gradient structure material model |
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