CN106182771A - A kind of band pumpback function and the compatible biological and 3D printer of food - Google Patents
A kind of band pumpback function and the compatible biological and 3D printer of food Download PDFInfo
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- CN106182771A CN106182771A CN201610554449.1A CN201610554449A CN106182771A CN 106182771 A CN106182771 A CN 106182771A CN 201610554449 A CN201610554449 A CN 201610554449A CN 106182771 A CN106182771 A CN 106182771A
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- axis motion
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/08—Bioreactors or fermenters specially adapted for specific uses for producing artificial tissue or for ex-vivo cultivation of tissue
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/48—Automatic or computerized control
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
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- Bioinformatics & Cheminformatics (AREA)
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- Biomedical Technology (AREA)
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- Computer Hardware Design (AREA)
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- Materials Engineering (AREA)
- Confectionery (AREA)
Abstract
The invention discloses a kind of band pumpback function and the compatible biological and 3D printer of food, relate to printer technology field.Including frame, extruder, print platform, X-axis motion is positioned at frame top, Y-axis motion is positioned at X-axis motion both sides, Z axis motion is positioned at frame side, print platform is arranged on Z axis motion, extruder is arranged on X-axis motion, extruder includes fixing seat, fixing seat bottom portion arranges material-extruding tube, storing pipe is set inside material-extruding tube, bottom storing pipe, nozzle is set, fixing seat top arranges through motor, leading screw is installed on through motor, material extrusion head is installed in leading screw bottom, guide rod seat is installed on leading screw top, the optical axis parallel with leading screw is set between guide rod seat with fixing seat.The beneficial effects of the present invention is: its simple in construction, extruder is with pumpback function, flexible and convenient to use, and the leading screw side of extruder is installed and guided optical axis, and extrusion precision is high, drive mechanism stable drive simultaneously.
Description
Technical field
The present invention relates to printer technology field, a kind of band pumpback function and compatible biological and food 3D print
Machine.
Background technology
The one of 3 D-printing, i.e. Rapid Prototyping technique, based on it is a kind of mathematical model file, uses powdered gold
Belong to or plastics etc. can jointing material, by the way of successively printing, carry out the technology of constructed object.The three-dimensional printer of prior art
It is broadly divided into fused glass pellet (FDM), selective laser sintering (SLS), stereolithography (SLA) and numeral optical processing
(DLP).Existing food 3D printer is based on FDM technology, and often can run into deficiency using, such as:
1, extruder passes through driven by motor slide block, then promotes syringe, can only push away and can not retract during promoting
Come, use dumb；
2, when the screw mandrel of existing extruder moves up and down, penetration type structure there will be and teetertotters, thus has influence on
The precision and stability of extrusion.
3, the piston handle of syringe protrudes the longest, and unsightly, volume is big.
4, most printer drive mechanism uses X-axis transverse reciprocating motion on Z axis, and platform is fixed on Y-axis and goes forward
Rear motion, rocks before and after so causing the living model printed or food model meeting, and the highest model will
Cause landslide.
Summary of the invention
For solving deficiency of the prior art, the present invention provides a kind of band pumpback function and compatible biological and food 3D to beat
Print machine, its simple in construction, extruder is with pumpback function, flexible and convenient to use, and the leading screw side of extruder is installed and guided
Optical axis, extrusion precision is high, drive mechanism stable drive simultaneously.
The present invention for achieving the above object, is achieved through the following technical solutions: a kind of band pumpback function and compatible biological and
The 3D printer of food, including frame, extruder, print platform, and the motion of rack-mounted X-axis motion, Y-axis
Mechanism, Z axis motion, described X-axis motion is positioned at frame top, and described Y-axis motion is positioned at X-axis motion two
Side, and drive X-axis motion to move along Y direction, described Z axis motion is positioned at frame side, and described print platform is pacified
Being contained on Z axis motion, described extruder is arranged on X-axis motion, and described extruder includes fixing seat, described fixing
Seat bottom portion arranges material-extruding tube, arranges storing pipe, arrange the nozzle communicated therewith, institute bottom described storing pipe inside described material-extruding tube
Stating nozzle and reach outside material-extruding tube, described fixing seat top arranges through motor, on described through motor
Installing leading screw, material extrusion head is installed in described leading screw bottom, and described material extrusion head is positioned at inside storing pipe, and guide rod is installed on described leading screw top
Seat, arranges the optical axis parallel with leading screw between described guide rod seat with fixing seat.
Described Y-axis motion includes being arranged on parallel the first transmission band side by side of frame top and the second transmission band, use
In linking the first transmission band and the power transmission shaft of the second transmission band and for the Y-axis motion motor driving the first transmission band to rotate,
Described first transmission band, power transmission shaft, the second U-shaped shape of transmission band are distributed and are rotatably connected in frame, described first transmission band
Side arranges the first straight optical axis in parallel, and described second transmission band side arranges the second straight optical axis in parallel.
Described X-axis motion includes the 3rd transmission band, the X-axis motion motor driving the 3rd transmission band to rotate, drives the
Two carriages that three transmission bands move along Y direction, on a described X-axis motion motor carriage installed therein,
Two described carriages are respectively and fixedly installed on the first transmission band and the second transmission band, and respectively with the first straight optical axis and
Second straight optical axis is slidably connected, and arranges threeth straight optical axis parallel with the 3rd transmission band between described carriage, described
Extruder is fixedly mounted on the 3rd transmission band and is slidably connected with the 3rd straight optical axis.
Described Z axis motion includes Z axis motion motor, described Z axis motion motor is installed Z axis leading screw, also includes and Z
The guide rod that axial filament thick stick is parallel, described print platform is screwed onto on Z axis leading screw, and is slidably connected with guide rod.
Also include that protective cover, described protective cover are arranged on fixing seat.
Described material extrusion head is Rubber end.
Described storing pipe is stainless steel tube.
Contrast prior art, the beneficial effects of the present invention is:
1, in the present invention, extruder drives extruder head to move by leading screw, it is possible to achieve advances and pumpback function, uses spirit
Live convenient；Further, using through motor in extruder, overall structure is the compactest, and volume is little, lightweight；The silk of extruder
Optical axis is had as guiding so that run more steady, thus improve printing precision when bar moves up and down；Extruder is positioned at X-axis fortune
On motivation structure, Y-axis motion drives X-axis motion to move, and Z axis motion drives print platform to move, stable drive,
Rocking before and after avoiding the living model printed or food model meeting, the highest model will result in landslide.
2, X-axis motion motor can be slided in Y direction by carriage, does not has any interference space, when seesawing
Allowing out the space of Y direction, compact conformation, integral space utilization ratio is high；
3, Z axis motion utilizes Z axis screw mandrel to improve height space, designs component so that this device overall space
Utilization rate is higher.
4, material extrusion head uses quality of rubber materials, and sealing function is good, also will not contact with storing inside pipe wall simultaneously and cause scratching.
5, storing pipe is stainless steel tube, it is ensured that food safety and preventing get rusty have influence on print raw material and produce rotten.
Accompanying drawing explanation
Accompanying drawing 1 is present configuration schematic diagram；
Accompanying drawing 2 is extruder structure schematic diagram of the present invention；
Accompanying drawing 3 is extruder explosive view structural representation of the present invention；
Accompanying drawing 4 is X-axis motion of the present invention and Y-axis motion structural representation；
Accompanying drawing 5 is Z axis motion of the present invention and print platform structural representation.
Label shown in accompanying drawing: 1, frame；2, extruder；21, fixing seat；22, material-extruding tube；23, storing pipe；24, nozzle；
25, through motor；26, leading screw；27, material extrusion head；28, guide rod seat；29, optical axis；210, protective cover；211, bearing；3、
Print platform；31, support；32, slide block；33, nut；34, bearing holder (housing, cover)；35, workbench；4, X-axis motion；41, the 3rd pass
Dynamic band；42, X-axis motion motor；43, carriage；44, the 3rd straight optical axis；45, the 6th synchronous pulley；5, Y-axis fitness machine
Structure；51, the first transmission band；52, the second transmission band；53, power transmission shaft；54, Y-axis motion motor；55, the first straight optical axis；56,
Two straight optical axis；57, the first motor fixing seat；58, the first synchronous pulley；59, the first bearing；510, the second bearing；511,
Two synchronous pulleys；512, the 3rd synchronous pulley；513, three abutments；514, axle；515, the 4th synchronous pulley；516, mounting seat；
6, Z axis motion；61, Z axis motion motor；62, Z axis leading screw；63, guide rod；64, lower fixed seat；65, shaft coupling；66, upper solid
Reservation；67, Z axis limit switch.
Detailed description of the invention
In conjunction with the drawings and specific embodiments, the invention will be further described.Should be understood that these embodiments are merely to illustrate
The present invention rather than restriction the scope of the present invention.In addition, it is to be understood that after having read the content that the present invention lectures, this area
The present invention can be made various changes or modifications by technical staff, and these equivalent form of values fall within the application appended claims equally
Limited range.
A kind of band pumpback function and the compatible biological and 3D printer of food, including frame 1, extruder 2, print platform 3,
And be arranged in frame 1 X-axis motion 4, Y-axis motion 5, Z axis motion 6, described X-axis motion 4
In frame 1 top, described Y-axis motion 5 is positioned at X-axis motion 4 both sides, and drives X-axis motion 4 along Y direction
Mobile, described Z axis motion 6 is positioned at frame 1 side, and described print platform 3 is arranged on Z axis motion 6.Y-axis is moved
Mechanism drives X-axis motion to move along Y direction, and X-axis motion drives extruder to move, and Z axis motion drives and beats
Print platform moves up and down along Z-direction, stable drive, it is to avoid the model landslide printed.Described extruder 2 is arranged on X-axis
On motion 4, described extruder 2 includes fixing seat 21, arranges material-extruding tube 22, described material-extruding tube 22 bottom described fixing seat 21
Inside arranges storing pipe 23, arranges the nozzle 24 communicated therewith bottom described storing pipe 23, and described nozzle 24 reaches material-extruding tube
22 is outside, and described fixing seat 21 top arranges through motor 25, and described through motor 25 is installed leading screw 26,
Material extrusion 27 is installed in described leading screw 26 bottom, and it is internal that described material extrusion 27 is positioned at storing pipe 23, and described leading screw 26 top is installed and led
Pole socket 28, arranges the optical axis 29 parallel with leading screw 26, when leading screw moves up and down, optical axis between described guide rod seat 28 with fixing seat 21
As guide effect so that run more steady, thus improve printing precision.Optical axis 29 is arranged on fixing seat by bearing 211
On 21.Through motor drives leading screw to move up and down, and optical axis plays guide effect, and leading screw moves drive material extrusion head motion,
Food material and biomaterial (PCL, hydrogel, natural biologic material, all kinds of human body cells) in storing pipe will be by material extrusions
Head is from nozzle extrusion molding, and after whole print procedure completes, through motor inverts, and leading screw drives material extrusion head to return to most and goes up
End, but when needing again to print charging, the most just screw mandrel and first of material extrusion can take off charging, refill screw mandrel and rubber has squeezed
Stub bar (rubber material extrusion head dress be enclosed within screw mandrel, can tighten together with screw mandrel after installing for the first time always, take out charging without
Secondary dismounts), flexible and convenient to use, volume is little, compact conformation.
Further, described Y-axis motion 5 includes being arranged on parallel the first transmission band 51 He side by side in frame 1 top
Second transmission band 52, for linkage the first transmission band 51 and the power transmission shaft 53 of the second transmission band 52 and for drive the first transmission
With the Y-axis motion motor 54 of 51 rotations, described first transmission band 51, the power transmission shaft U-shaped shape of the 53, second transmission band 52 are distributed and turn
Being automatically connected in frame 1, described first transmission band 51 side arranges the first straight optical axis 55 in parallel, described second transmission
Arranging the second straight optical axis 56 in parallel with 52 sides, y-axis motor directly drives belt pulley, and belt pulley drives Y-axis motion
Save whole space.Y-axis motion motor 54 is fixed in frame 1 by the first motor fixing seat 57, Y-axis motion motor 54
Output shaft on the first synchronous pulley 58 is installed, power transmission shaft 53 is arranged on frame 1 by the first bearing 59 and the second bearing 510
On, the second synchronous pulley 511 is installed in power transmission shaft 53 one end, and the first transmission band 51 is arranged on the first synchronous pulley 58 and second and synchronizes
On belt wheel 511, power transmission shaft 53 other end installs the 3rd synchronous pulley 512, and the 4th synchronous pulley 515 is by three abutments 513 He
Axle 514 is arranged in frame 1, and the second transmission band 52 is arranged on the 3rd synchronous pulley 512 and the 4th synchronous pulley 515.First
Straight optical axis 55 and the second straight optical axis are arranged in frame 1 by mounting seat 516, and Y-axis limit switch 517 is assemblied in frame 1
On, prevent mobile over range.
Further, the X-axis fortune that described X-axis motion 4 includes the 3rd transmission band 41, drives the 3rd transmission band 41 to rotate
Two carriages 43 that galvanic electricity machine 42, drive the 3rd transmission band 41 move along Y direction, described X-axis motion motor 42 is installed
Wherein on a carriage 43, two described carriages 43 are respectively and fixedly installed to the first transmission band 51 and the second transmission
On band 52, and it is slidably connected with the first straight optical axis 55 and the second straight optical axis 56 respectively, arranges between described carriage 43
Threeth straight optical axis 44 parallel with the 3rd transmission band 41, the fixing seat 21 on described extruder 2 is fixedly mounted on the 3rd transmission
It is slidably connected on band 41 and with the 3rd straight optical axis 44.The 5th synchronous pulley and the 6th Timing Belt it is respectively mounted on carriage 43
Wheel 45, the 5th synchronous pulley is connected with the output shaft of X-axis motion motor 42, the 3rd transmission band 41 be arranged on the 5th synchronous pulley with
On 6th synchronous pulley 45.
Another step, described Z axis motion 6 includes Z axis motion motor 61, and described Z axis motion motor 61 is installed Z axis
Leading screw 62, also includes the guide rod 63 parallel with Z axis leading screw 62, and described print platform 3 is screwed onto on Z axis leading screw 62, and and guide rod
63 are slidably connected.Z axis motion motor 61 is arranged on bottom frame 1 by lower fixed seat 64, Z axis motion motor 61 and Z axis leading screw
Being connected by shaft coupling 65 between 62, frame 1 top arranges upper fixed seat 66, and guide rod 63 is arranged on upper fixed seat 66 and lower fixing
Between seat 64；Print platform 3 includes that support 31, support 31 top arrange workbench 35, and support 31 one end sets slide block 32, slide block 32
On nut 33 and bearing holder (housing, cover) 34 are set, nut 33 is arranged on Z axis leading screw 62, and bearing holder (housing, cover) 34 is arranged on guide rod 63, frame 1
Upper installation Z axis limit switch 67, it is to avoid workbench exceeds moving range.
As optimization, also include that protective cover 210, described protective cover 210 are arranged on fixing seat 21, improve U.S. of extruder
The property seen.
As optimization, described material extrusion 27 is Rubber end, uses quality of rubber materials, and sealing function is good, the most also will not and store up
Material inside pipe wall contact causes scratching.
Claims (7)
1. a band pumpback function and the compatible biological and 3D printer of food, it is characterised in that: include frame (1), extruder
(2), print platform (3), and be arranged in frame (1) X-axis motion (4), Y-axis motion (5), Z axis fitness machine
Structure (6), described X-axis motion (4) is positioned at frame (1) top, and described Y-axis motion (5) is positioned at X-axis motion (4)
Both sides, and drive X-axis motion (4) to move along Y direction, described Z axis motion (6) is positioned at frame (1) side, described
Print platform (3) is arranged on Z axis motion (6), and described extruder (2) is arranged on X-axis motion (4), described crowded
Going out machine (2) and include that fixing seat (21), described fixing seat (21) bottom arrange material-extruding tube (22), described material-extruding tube (22) is internal to be arranged
Storing pipe (23), described storing pipe (23) bottom arranges the nozzle (24) communicated therewith, and described nozzle (24) reaches material-extruding tube
(22) outside, described fixing seat (21) top arranges through motor (25), the upper peace of described through motor (25)
Dress leading screw (26), described leading screw (26) bottom installation material extrusion head (27), it is internal that described material extrusion head (27) is positioned at storing pipe (23), institute
State leading screw (26) top and guide rod (63) seat (28) is installed, arrange and leading screw between described guide rod (63) seat (28) and fixing seat (21)
(26) parallel optical axis (29).
A kind of band pumpback function the most according to claim 1 and the compatible biological and 3D printer of food, it is characterised in that:
Described Y-axis motion (5) includes being arranged on parallel the first transmission band (51) side by side in frame (1) top and the second transmission band
(52) linkage the first transmission band (51) and the power transmission shaft (53) of the second transmission band (52), it are used for and for driving the first transmission band
(51) the Y-axis motion motor (54) rotated, described first transmission band (51), power transmission shaft (53), the second transmission band (52) U-shaped shape
Being distributed and be rotatably connected in frame (1), described first transmission band (51) side arranges the first straight optical axis in parallel
(55), described second transmission band (52) side arranges the second straight optical axis (56) in parallel.
A kind of band pumpback function the most according to claim 2 and the compatible biological and 3D printer of food, it is characterised in that:
Described X-axis motion (4) include the 3rd transmission band (41), drive the 3rd transmission band (41) rotate X-axis motion motor (42),
Two carriages (43) that the 3rd transmission band (41) moves along Y direction, described X-axis motion motor (42) are driven to be arranged on it
In on a carriage (43), two described carriages (43) are respectively and fixedly installed to the first transmission band (51) and second and pass
On dynamic band (52), and it is slidably connected with the first straight optical axis (55) and the second straight optical axis (56) respectively, described carriage
(43) arranging threeth straight optical axis (44) parallel with the 3rd transmission band (41) between, described extruder (2) is fixedly mounted on the
Three transmission bands (41) are upper and are slidably connected with the 3rd straight optical axis (44).
A kind of band pumpback function the most according to claim 1 and the compatible biological and 3D printer of food, it is characterised in that:
Described Z axis motion (6) includes Z axis motion motor (61), and described Z axis motion motor (61) is upper installs Z axis leading screw (62), also
Including the guide rod (63) parallel with Z axis leading screw (62), described print platform (3) is screwed onto on Z axis leading screw (62), and and guide rod
(63) it is slidably connected.
A kind of band pumpback function the most according to claim 1 and the compatible biological and 3D printer of food, it is characterised in that:
Also include that protective cover (210), described protective cover (210) are arranged on fixing seat (21).
A kind of band pumpback function the most according to claim 1 and the compatible biological and 3D printer of food, it is characterised in that:
Described material extrusion head (27) is Rubber end.
A kind of band pumpback function the most according to claim 1 and the compatible biological and 3D printer of food, it is characterised in that:
Described storing pipe (23) is stainless steel tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610554449.1A CN106182771A (en) | 2016-07-14 | 2016-07-14 | A kind of band pumpback function and the compatible biological and 3D printer of food |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610554449.1A CN106182771A (en) | 2016-07-14 | 2016-07-14 | A kind of band pumpback function and the compatible biological and 3D printer of food |
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| Publication Number | Publication Date |
|---|---|
| CN106182771A true CN106182771A (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610554449.1A Pending CN106182771A (en) | 2016-07-14 | 2016-07-14 | A kind of band pumpback function and the compatible biological and 3D printer of food |
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| CN107127970A (en) * | 2017-05-23 | 2017-09-05 | 江汉大学 | A kind of food 3D printer |
| CN107283824A (en) * | 2017-06-19 | 2017-10-24 | 汤在英 | A kind of intelligent 3D printer of the anti-wire drawing based on Internet of Things |
| CN108058260A (en) * | 2018-02-09 | 2018-05-22 | 华北理工大学 | Ceramic material 3D printing equipment and its method of work |
| CN108795687A (en) * | 2018-05-10 | 2018-11-13 | 太原理工大学 | A kind of 3D biometric print machines of detectable cell activity |
| CN108891027A (en) * | 2018-08-27 | 2018-11-27 | 河南理工大学 | Modularization Quick universal 3D printing tool heads |
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| CN114434795A (en) * | 2022-02-16 | 2022-05-06 | 桂林电子科技大学 | Composite gel slurry extruder for 3D printer |
| CN114982995A (en) * | 2022-06-13 | 2022-09-02 | 吉安市创享三维科技有限公司 | A shower nozzle device for food 3D prints |
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| CN107127970A (en) * | 2017-05-23 | 2017-09-05 | 江汉大学 | A kind of food 3D printer |
| CN107283824A (en) * | 2017-06-19 | 2017-10-24 | 汤在英 | A kind of intelligent 3D printer of the anti-wire drawing based on Internet of Things |
| CN107283824B (en) * | 2017-06-19 | 2019-11-12 | 南京四点半信息科技有限公司 | A kind of intelligent 3D printer of the anti-wire drawing based on Internet of Things |
| CN108058260A (en) * | 2018-02-09 | 2018-05-22 | 华北理工大学 | Ceramic material 3D printing equipment and its method of work |
| CN108795687A (en) * | 2018-05-10 | 2018-11-13 | 太原理工大学 | A kind of 3D biometric print machines of detectable cell activity |
| CN108795687B (en) * | 2018-05-10 | 2021-10-26 | 太原理工大学 | 3D bioprinter of detectable cell activity |
| CN108891027A (en) * | 2018-08-27 | 2018-11-27 | 河南理工大学 | Modularization Quick universal 3D printing tool heads |
| CN114434795A (en) * | 2022-02-16 | 2022-05-06 | 桂林电子科技大学 | Composite gel slurry extruder for 3D printer |
| CN114982995A (en) * | 2022-06-13 | 2022-09-02 | 吉安市创享三维科技有限公司 | A shower nozzle device for food 3D prints |
| CN114982995B (en) * | 2022-06-13 | 2023-03-14 | 吉安市创享三维科技有限公司 | A shower nozzle device for food 3D prints |
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