CN207136199U - A kind of mixed food 3D printing device - Google Patents
A kind of mixed food 3D printing device Download PDFInfo
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- CN207136199U CN207136199U CN201720235652.2U CN201720235652U CN207136199U CN 207136199 U CN207136199 U CN 207136199U CN 201720235652 U CN201720235652 U CN 201720235652U CN 207136199 U CN207136199 U CN 207136199U
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Abstract
The utility model discloses a kind of mixed food 3D printing device.It includes motor drive component, ball-screw component, extrude syringe, extrude head assembly and workbench, motor drive component is arranged on the top of ball-screw component and is connected with ball-screw component, ball-screw component is provided with syringe fixture, extrusion syringe includes egg white syringe and dough syringe, egg white syringe and dough syringe are installed on syringe fixture, extrusion head assembly is arranged on ball-screw component and is placed in below the syringe fixture provided with dough syringe, egg white syringe is connected with extrusion head assembly, workbench is provided with X-axis guide rail, Y-axis guide rail, mounting bracket and print platform, Y-axis guide rail is slided along X-axis guide rail, mounting bracket is placed in Y-axis guide rail and slided along Y-axis guide rail, ball-screw component is arranged in mounting bracket, print platform is placed in the lower section of extrusion head assembly.The beneficial effects of the utility model are：Printing precision is high, and reliability is high, easy to disassemble with installing.
Description
Technical field
Printer correlative technology field is the utility model is related to, refers in particular to a kind of mixed food 3D printing device.
Background technology
Dough is as typical viscoelastic material, in extruder head less by internal diameter, it may occur that a large amount of elastoplasticity shapes
Become, extruder head internal diameter is smaller, and required extrusion force is bigger.Meanwhile temperature, water content, modulation system etc. can all influence dough
Viscosity, and then change the demand of extrusion force, thus extrusion system power source is provided should be sufficient enough.Material storage tube when dough is extruded
In pressure it is larger, to reach estimated extrusion capacity, material storage tube inwall must have preferable rigidity, otherwise in piston execution
Inwall convergent-divergent can be driven during pumpback-extrusion action so that the flowing of dough produces time lag, then printer model precision can be by
Have a strong impact on.
Conventional 3 D-printing platform is divided into XYZ printers and parallel connection type printer by reference axis species section.Parallel connection type is beaten
Print machine is fed motor by single material and conveyed from distant place using simultaneously motion stage of the joining beam as shower nozzle, printed material, because
The motion of this its printhead lighter weight is flexible, is category relatively popular on Vehicles Collected from Market.But dough is as typical viscoelastic
Property food material, according to the method remotely exported, will produce a large amount of, prolonged shear strain in the process, required
Carrying capacity it is larger, existence conditions is difficult to realize.
And in XYZ printers, being divided into planer-type according to the motion mode difference of extruder head at present, (extruder head can be along X and Z
Axle moves), three-shaft linkage formula (extruder head XYZ directions removable), lift (extruder head can only move along Z axis), general-purpose type
(extruder head moves along XY directions).Wherein, three-shaft linkage formula extruder head be able to can but be protected by various dynamic load effects, workpieces processing
Hold motionless.Workpieces processing on planer-type and lift all can be by the dynamic load effect on X or Y-direction, the workpiece of general-purpose type
Only influenceed by Z-direction.Printed for dough, because its viscous-elastic behaviour, in the quite a while after the extrusion, the external world carries
Lotus can all impact to its size, especially the load of XY direction of principal axis, may make dough model inclination or even cave in.
Utility model content
The utility model is above-mentioned in order to overcome the shortcomings of to exist in the prior art, there is provided a kind of printing precision is high to mix
Combined foodstuff 3D printing device.
To achieve these goals, the utility model uses following technical scheme：
A kind of mixed food 3D printing device, including motor drive component, ball-screw component, extrusion syringe, extruder head
Component and workbench, described motor drive component are arranged on the top of ball-screw component and are connected with ball-screw component,
Described ball-screw component is provided with syringe fixture, and described extrusion syringe includes egg white syringe and dough syringe, described
Egg white syringe and dough syringe are installed on syringe fixture, and described extrusion head assembly is arranged on ball-screw component and put
Below the syringe fixture provided with dough syringe, described egg white syringe is connected with extrusion head assembly, is set on described workbench
There are X-axis guide rail, Y-axis guide rail, mounting bracket and print platform, described Y-axis guide rail is slided along X-axis guide rail, described installation
Branch is placed in Y-axis guide rail and slided along Y-axis guide rail, and described ball-screw component is arranged in mounting bracket, described
Print platform is placed in the lower section of extrusion head assembly.
By the design of motor drive component in the utility model, in guarantee, the printer can provide enough power sources
Meanwhile the viscosity of dough is not interfered with；By the design of ball-screw component, extrusion capacity can be accurately controlled；Pass through egg white pin
Cylinder separately designs with dough syringe, in order to ensure that egg white and dough can select different mixing ratios according to different demands
Example；By the design of extruder head, while normal print demand can be ensured, ensure that extruder head is not easy to be blocked；Pass through work
The design of platform so that ball-screw component carries out printing shaping along XY direction of principal axis in print platform；So design, which has reached, beats
Print the high purpose of precision.
Preferably, described motor drive component includes stepper motor and motor reducer, described motor reducer
On stepper motor, described stepper motor is arranged on ball-screw component by motor reducer, and the motor subtracts
The speed reducing ratio of fast device is 1: 19.Pass through being used cooperatively for stepper motor and motor reducer, it can be ensured that provide for the printer
Sufficient power source enough.
Preferably, described ball-screw component is fixed including ball wire pole socket, ball screw axle, bearing block and nut
Block, described bearing block are arranged in ball wire pole socket, and described ball screw axle is arranged on bearing block, and described nut is consolidated
Block is determined on ball screw axle, and one end of the ball screw axle is connected by shaft coupling with motor drive component.Ball
The structure design of lead screw assembly, extrusion capacity can be accurately controlled, its helical pitch is 5mm.
Preferably, the shape of cross section of the ball wire pole socket is U-shaped, described ball wire pole socket includes bottom plate and two
Block side plate, the both ends of the ball screw axle are equipped with bearing block, and described bearing block is arranged on bottom plate, described syringe folder
Tool includes stationary fixture and movable clamp, and described movable clamp is arranged on nut fixed block, the installation of described stationary fixture
In the lower end of ball wire pole socket and between being placed in two blocks of side plates, the upper end of the ball wire pole socket is provided with motor fixing plate, described
Motor drive component be arranged on motor fixing plate on.Pass through the design of bearing block, it can be ensured that be positioned at ball screw axle
In ball wire pole socket；By the design of syringe fixture, dough syringe and egg white syringe can be preferably fixed, to ensure the printing
The reliability of machine.
Preferably, described extrusion syringe includes cylinder and piston rod, described stationary fixture and movable clamp by
PLA material is made, and described stationary fixture includes fixed seat and fixed plate, and described fixed seat is arranged on ball wire pole socket
Lower end and be placed between two blocks of side plates, described cylinder is arranged in fixed seat and is fixed by fixed plate, described
Movable clamp includes Mobile base and movable plate, and described Mobile base is arranged on nut fixed block, the left and right two of the Mobile base
Side is provided with positioning guide rail, and two blocks of side plates of the ball wire pole socket are placed in positioning guide rail and are in contact with positioning guide rail, described
Piston rod be arranged on Mobile base and be fixed by movable plate, described fixed seat, fixed plate, Mobile base and movable plate
On be equipped with some clamping slots, the shape of cross section of the clamping slot is to be provided with fastening bolt in U-shaped, described clamping slot.It is logical
The design of PLA material is crossed, makes it have the features such as degradable, printing intensity is high；Because of the dough to heterogeneity and concocting method
Need to carry out different extrusioning experiment research, so need frequently to change printed material, therefore stationary fixture and movable clamp
Design needs to have the ability quickly reloaded concurrently on the premise of intensifying force is ensured, so spiral shell can be realized by the design of clamping slot
The quick of bolt removes and installs.
Preferably, described dough syringe is Luer's syringe, the cylinder of the dough syringe is divided into two layers, wherein cylinder
The outer layer of body is stainless steel layer, and the internal layer of cylinder is glassy layer, and the piston rod of the dough syringe is adjusting piston external diameter
Piston rod, described egg white syringe are ordinary syringe.Pressure when dough is extruded in material storage tube is larger, to reach what is be expected
Extrusion capacity, material storage tube inwall must have preferable rigidity, otherwise inwall can be driven to receive when piston performs pumpback-extrusion action
Contracting expansion so that the flowing of dough produces time lag, then printer model precision can be severely impacted, so shell has been selected as not
Rust steel, the Luer's syringe that internal layer is glass are as dough syringe；Meanwhile different ratio forms and the difference of compound method, face
The mechanical characteristic of group is also different, and the requirement to piston seal performance is also different, and the Luer's syringe of selection can pass through the piston of end
The external diameter of head control piston is adjusted, is advantageous to the flexibility of Experimental Research.
Preferably, described extrusion head assembly includes egg white nozzle, dough interflow block, egg white heat block, egg white cavity
And syringe needle, the centre of dough interflow block are provided with dough charging aperture, described dough syringe is placed in face by dough charging aperture
On group's interflow block, the side of dough interflow block is provided with egg white charging aperture, and described egg white nozzle is arranged on egg white syringe,
Connected between described egg white charging aperture and egg white nozzle by food silicone tube, described egg white cavity is placed in dough interflow block
Lower section, described egg white heat block is placed in the outside of egg white cavity, and described syringe needle is placed at the bottom centre of egg white cavity.
Pass through being used cooperatively for egg white nozzle and food silicone tube so that egg white is entered in the block of dough interflow from egg white syringe；By
The dough and egg white of dough interflow block are mixed in egg white cavity, and the mixture in egg white cavity is entered by egg white heat block
Row heating operation；Extruded afterwards by syringe needle and carry out printing shaping.
Preferably, described dough interflow block is made by nylon material.Pass through the design of nylon material so that face
Group's interflow block can be used as thermal insulation layer, prevent the heat of egg white heat block from having influence on the dough and egg white do not extruded.
Preferably, described egg white heat block is provided with temperature sensor and heating rod, described temperature sensor and
Heating rod is respectively connected with temperature controller.Pass through the triplicity of temperature sensor, temperature controller and heating rod so that egg white
Heat block can realize intelligent temperature control, prevent temperature too high or it is too low printer and print structure are caused not it is contemplated that
Consequence.
Preferably, described syringe needle is cone-shaped metal nozzle., on the one hand can be real by the design of cone-shaped metal nozzle
The transmission of existing heat, on the other hand can ensure that syringe needle is not easily blocked.
The beneficial effects of the utility model are：Printing precision is high, and printing intensity is high, and reliability is high, applied widely,
It is easy to disassemble high with installation, using flexible height, security performance.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is Fig. 1 front view；
Fig. 3 is Fig. 1 side view；
Fig. 4 is Fig. 1 top view.
In figure：1. stepper motor, 2. motor fixing plates, 3. shaft couplings, 4. bearing blocks, 5. ball wire pole sockets, 6. Mobile bases,
7. positioning guide rail, 8. nut fixed blocks, 9. movable plates, 10. ball screw axles, 11. fixed seats, 12. fixed plates, 13. egg white pins
Cylinder, 14. egg white nozzles, 15. food silicone tubes, 16. doughs interflow block, 17. egg white heat blocks, 18. egg white cavitys, 19. syringe needles,
20. dough syringe, 21. motor reducers, 22. side plates, 23. bottom plates, 24. piston rods, 25. cylinders, 26. clamping slots, 27. spiral shells
Bolt.
Embodiment
The utility model is further described with reference to the accompanying drawings and detailed description.
As shown in Figure 1, Figure 2, in the embodiment described in Fig. 3, Fig. 4, a kind of mixed food 3D printing device, including motor driving group
Part, ball-screw component, extrusion syringe, extrusion head assembly and workbench, motor drive component are arranged on ball-screw component
Top and it is connected with ball-screw component, ball-screw component is provided with syringe fixture, and extrusion syringe includes the He of egg white syringe 13
Dough syringe 20, egg white syringe 13 and dough syringe 20 are installed on syringe fixture, and extrusion head assembly is arranged on ball-screw
On component and it is placed in below the syringe fixture provided with dough syringe 20, egg white syringe 13 is connected with extrusion head assembly, on workbench
Provided with X-axis guide rail, Y-axis guide rail, mounting bracket and print platform, Y-axis guide rail is slided along X-axis guide rail, and mounting bracket is placed in Y-axis
Slided on guide rail and along Y-axis guide rail, ball-screw component is arranged in mounting bracket, and print platform is placed in extrusion head assembly
Lower section.
Motor drive component includes stepper motor 1 and motor reducer 21, and motor reducer 21 is arranged on stepper motor 1
On, stepper motor 1 is arranged on ball-screw component by motor reducer 21, and the speed reducing ratio of motor reducer 21 is 1: 19.
Ball-screw component includes ball wire pole socket 5, ball screw axle 10, bearing block 4 and nut fixed block 8, bearing block 4
In ball wire pole socket 5, ball screw axle 10 is arranged on bearing block 4, and nut fixed block 8 is arranged on ball screw axle 10
On, one end of ball screw axle 10 is connected by shaft coupling 3 with motor drive component.The shape of cross section of ball wire pole socket 5 is U
Type, ball wire pole socket 5 include bottom plate 23 and two blocks of side plates 22, and the both ends of ball screw axle 10 are equipped with bearing block 4, bearing block 4
On bottom plate 23, syringe fixture includes stationary fixture and movable clamp, and movable clamp is arranged on nut fixed block 8, Gu
Clamp tool is installed in the lower end of ball wire pole socket 5 and is placed between two blocks of side plates 22, and the upper end of ball wire pole socket 5 is consolidated provided with motor
Fixed board 2, motor drive component are arranged on motor fixing plate 2.Extrusion syringe includes cylinder 25 and piston rod 24, stationary fixture with
Movable clamp is made by PLA material, and stationary fixture includes fixed seat 11 and fixed plate 12, and fixed seat 11 is arranged on ball
The lower end of screw rodb base 5 and it is placed between two blocks of side plates 22, cylinder 25 is arranged in fixed seat 11 and consolidated by fixed plate 12
Fixed, movable clamp includes Mobile base 6 and movable plate 9, and Mobile base 6 is arranged on nut fixed block 8, the right and left of Mobile base 6
Provided with positioning guide rail 7, two blocks of side plates 22 of ball wire pole socket 5 are placed in positioning guide rail 7 and are in contact with positioning guide rail 7, piston
Bar 24 is arranged on Mobile base 6 and is fixed by movable plate 9, on fixed seat 11, fixed plate 12, Mobile base 6 and movable plate 9
Some clamping slots 26 are equipped with, the shape of cross section of clamping slot 26 is U-shaped, and fastening bolt 27 is provided with clamping slot 26.
Dough syringe 20 is Luer's syringe, and the cylinder 25 of the dough syringe 20 divides for two layers, outside its middle cylinder body 25
Layer is stainless steel layer, and the internal layer of cylinder 25 is glassy layer, and the piston rod 24 of dough syringe 20 is the piston of adjusting piston external diameter
Bar, egg white syringe 13 are food-grade syringe.
Extruding head assembly includes egg white nozzle 14, dough interflow block 16, egg white heat block 17, egg white cavity 18 and syringe needle
19, the centre of dough interflow block 16 is provided with dough charging aperture, and dough syringe 20 is placed in dough by dough charging aperture and collaborates block 16
On, the side of dough interflow block 16 is provided with egg white charging aperture, and egg white nozzle 14 is arranged on egg white syringe 13, egg white charging aperture and
Connected between egg white nozzle 14 by food silicone tube 15, egg white cavity 18 is placed in the lower section of dough interflow block 16, egg white heating
Block 17 is placed in the outside of egg white cavity 18, and syringe needle 19 is placed at the bottom centre of egg white cavity 18.Dough collaborates block 16 by nylon
Material is made.Egg white heat block 17 is provided with temperature sensor and heating rod, and temperature sensor and heating rod are respectively connected with
Temperature controller.Syringe needle 19 is cone-shaped metal nozzle.
In use, first, egg white and dough are respectively placed in egg white syringe 13 and dough syringe 20, due to temperature, contain
Water, modulation system etc. can all influence the viscosity of dough, and then change the demand of extrusion force, so the printer provides power source
Should be sufficient enough, so the utility model have selected stepper motor 1 and is engaged with motor reducer 21, to meet the demand；
Secondly, it is connected by shaft coupling 3 with ball screw axle 10, to reach the purpose of accurate control extrusion capacity, the utility model will roll
Ballscrew axle 10 is used as motion guide rail, coordinates stationary fixture and movable clamp to act together, its helical pitch is 5mm；Afterwards, due to face
Pressure during group's extrusion in dough syringe 20 is larger, and to reach estimated extrusion capacity, the inwall of cylinder 25 must have preferable
Rigidity, otherwise it can drive the inwall convergent-divergent of cylinder 25 when piston rod 24 performs pumpback-extrusion action so that the flowing of dough
Producing time lag, then printer model precision can be severely impacted, so to have selected shell be stainless steel, the metal that internal layer is glass
Syringe is as dough syringe 20, and different ratio forms and the difference of compound method, and the mechanical characteristic of dough is also different, to piston
The requirement of sealing is also different, and the Luer's syringe of selection can adjust the external diameter that head controls piston by the piston of end, favorably
In the flexibility of Experimental Research, piston rod 24 is fixed thereon by the clamping slot 26 on movable clamp, passes through stationary fixture
On clamping slot 26 cylinder 25 is fixed thereon；After again, egg white syringe 13 is connected by egg white nozzle 14 and food silicone tube 15
It is connected on the block 16 of dough interflow, dough and egg white are entered in egg white cavity 18 through dough interflow block 16 and mixed, and are passed through
Egg white heat block 17 heats to mixture；Finally, mixture is extruded through conical nozzle, along XY direction of principal axis in print platform
Carry out printing shaping.
Claims (10)
1. a kind of mixed food 3D printing device, it is characterized in that, including motor drive component, ball-screw component, extrusion syringe,
Extrude head assembly and workbench, described motor drive component be arranged on the top of ball-screw component and with ball-screw component
Connection, described ball-screw component are provided with syringe fixture, and described extrusion syringe includes egg white syringe (13) and dough pin
Cylinder (20), described egg white syringe (13) and dough syringe (20) are installed on syringe fixture, described extrusion head assembly peace
On ball-screw component and it is placed in below the syringe fixture provided with dough syringe (20), described egg white syringe (13) is with squeezing
Go out head assembly connection, described workbench is provided with X-axis guide rail, Y-axis guide rail, mounting bracket and print platform, and described Y-axis is led
Rail slides along X-axis guide rail, and described mounting bracket is placed in Y-axis guide rail and slided along Y-axis guide rail, described ball-screw
Component is arranged in mounting bracket, and described print platform is placed in the lower section of extrusion head assembly.
2. a kind of mixed food 3D printing device according to claim 1, it is characterized in that, described motor drive component bag
Stepper motor (1) and motor reducer (21) are included, described motor reducer (21) is arranged on stepper motor (1), described
Stepper motor (1) is arranged on ball-screw component by motor reducer (21), the speed reducing ratio of the motor reducer (21)
For 1: 19.
3. a kind of mixed food 3D printing device according to claim 1 or 2, it is characterized in that, described ball-screw group
Part includes ball wire pole socket (5), ball screw axle (10), bearing block (4) and nut fixed block (8), described bearing block (4) peace
In ball wire pole socket (5), described ball screw axle (10) is arranged on bearing block (4), described nut fixed block (8)
On ball screw axle (10), one end of the ball screw axle (10) is connected by shaft coupling (3) and motor drive component
Connect.
4. a kind of mixed food 3D printing device according to claim 3, it is characterized in that, the ball wire pole socket (5)
Shape of cross section is U-shaped, and described ball wire pole socket (5) includes bottom plate (23) and two pieces of side plates (22), the ball screw axle
(10) both ends are equipped with bearing block (4), and described bearing block (4) is arranged on bottom plate (23), and described syringe fixture includes
Stationary fixture and movable clamp, described movable clamp are arranged on nut fixed block (8), and described stationary fixture is arranged on rolling
The lower end of ballscrew seat (5) and it is placed between two pieces of side plates (22), the upper end of the ball wire pole socket (5) is provided with motor fixing plate
(2), described motor drive component is arranged on motor fixing plate (2).
5. a kind of mixed food 3D printing device according to claim 4, it is characterized in that, described extrusion syringe includes cylinder
Body (25) and piston rod (24), described stationary fixture and movable clamp are made by PLA material, described stationary fixture
Including fixed seat (11) and fixed plate (12), described fixed seat (11) is arranged on the lower end of ball wire pole socket (5) and is placed in two
Between block side plate (22), described cylinder (25) is arranged in fixed seat (11) and is fixed by fixed plate (12), described
Movable clamp include Mobile base (6) and movable plate (9), described Mobile base (6) is arranged on nut fixed block (8), described
The right and left of Mobile base (6) is provided with positioning guide rail (7), and two pieces of side plates (22) of the ball wire pole socket (5) are placed in positioning and led
It is in contact in rail (7) and with positioning guide rail (7), described piston rod (24) is arranged on Mobile base (6) and passes through movable plate (9)
It is fixed, some clamping slots is equipped with described fixed seat (11), fixed plate (12), Mobile base (6) and movable plate (9)
(26), the shape of cross section of the clamping slot (26) is U-shaped to be provided with fastening bolt (27) in described clamping slot (26).
6. a kind of mixed food 3D printing device according to claim 5, it is characterized in that, described dough syringe (20) is
Luer's syringe, the cylinder (25) of the dough syringe (20) are divided into two layers, and the outer layer of its middle cylinder body (25) is stainless steel layer, cylinder
The internal layer of body (25) is glassy layer, and the piston rod (24) of the dough syringe (20) is the piston rod of adjusting piston external diameter, institute
The egg white syringe (13) stated is food-grade syringe.
7. a kind of mixed food 3D printing device according to claim 1, it is characterized in that, described extrusion head assembly includes
Egg white nozzle (14), dough interflow block (16), egg white heat block (17), egg white cavity (18) and syringe needle (19), the dough close
The centre of stream block (16) is provided with dough charging aperture, and described dough syringe (20) is placed in dough by dough charging aperture and collaborates block
(16) on, the side of the dough interflow block (16) is provided with egg white charging aperture, and described egg white nozzle (14) is arranged on egg white pin
On cylinder (13), it is connected between described egg white charging aperture and egg white nozzle (14) by food silicone tube (15), described egg white
Cavity (18) is placed in the lower section of dough interflow block (16), and described egg white heat block (17) is placed in the outside of egg white cavity (18),
Described syringe needle (19) is placed at the bottom centre of egg white cavity (18).
8. a kind of mixed food 3D printing device according to claim 7, it is characterized in that, described dough interflow block (16)
It is made by nylon material.
9. a kind of mixed food 3D printing device according to claim 7, it is characterized in that, described egg white heat block (17)
Temperature sensor and heating rod are provided with, described temperature sensor and heating rod are respectively connected with temperature controller.
10. a kind of mixed food 3D printing device according to claim 7, it is characterized in that, described syringe needle (19) is cone
Shape metallic nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720235652.2U CN207136199U (en) | 2017-03-10 | 2017-03-10 | A kind of mixed food 3D printing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720235652.2U CN207136199U (en) | 2017-03-10 | 2017-03-10 | A kind of mixed food 3D printing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207136199U true CN207136199U (en) | 2018-03-27 |
Family
ID=61658867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720235652.2U Active CN207136199U (en) | 2017-03-10 | 2017-03-10 | A kind of mixed food 3D printing device |
Country Status (1)
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| CN (1) | CN207136199U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109624320A (en) * | 2018-12-21 | 2019-04-16 | 长兴时印科技有限公司 | A kind of self-service print head of 3D printer |
| CN111607514A (en) * | 2020-05-28 | 2020-09-01 | 杭州电子科技大学 | Biological 3D print platform is mixed to compound biomaterial developments |
-
2017
- 2017-03-10 CN CN201720235652.2U patent/CN207136199U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109624320A (en) * | 2018-12-21 | 2019-04-16 | 长兴时印科技有限公司 | A kind of self-service print head of 3D printer |
| CN109624320B (en) * | 2018-12-21 | 2023-07-07 | 杭州盼打科技有限公司 | Self-service print head of 3D printer |
| CN111607514A (en) * | 2020-05-28 | 2020-09-01 | 杭州电子科技大学 | Biological 3D print platform is mixed to compound biomaterial developments |
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