CN207136080U - A kind of mixed food 3D printing extrusion device - Google Patents
A kind of mixed food 3D printing extrusion device Download PDFInfo
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- CN207136080U CN207136080U CN201720235368.5U CN201720235368U CN207136080U CN 207136080 U CN207136080 U CN 207136080U CN 201720235368 U CN201720235368 U CN 201720235368U CN 207136080 U CN207136080 U CN 207136080U
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Abstract
The utility model discloses a kind of mixed food 3D printing extrusion device.It includes ball-screw component, dough syringe, egg white syringe and extruder head, extruder head includes dough interflow block, inner core fixed station, egg white cavity, egg white heat block and syringe needle, dough syringe and egg white syringe are installed on the block of dough interflow, egg white cavity is arranged on the lower section of dough interflow block, inner core fixed station is arranged on the lower section of dough interflow block and is placed in egg white cavity, egg white heat block is arranged on the outside of egg white cavity, syringe needle is arranged on the bottom of egg white cavity, ball-screw component includes ball-screw guide rail and motor, motor is connected with ball-screw guide rail, dough syringe and egg white syringe are separately mounted on ball-screw guide rail.The beneficial effects of the utility model are：Printing precision is high, and reliability is high, applied widely, and easy to disassemble with installing, using flexible is high, and security performance is high, can carry out intelligent temperature control, syringe needle is not easily blocked.
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 extrusion 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.
The runner draw ratio L/d of calibrating nozzle is bigger, viscoelastic material during being extruded by elastic-plastic deformation,
The longer time is needed finally to extrude, material can discharge the elastic potential energy of storage during this period, therefore can press down
The generation of extrusion swelling processed.But also because runner is longer and narrower, it is easier to the obstruction of nozzle occurs.
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 and not
The mixed food 3D printing extrusion device easily blocked.
To achieve these goals, the utility model uses following technical scheme：
A kind of mixed food 3D printing extrusion device, including ball-screw component, dough syringe, egg white syringe and extrusion
Head, described extruder head include dough interflow block, inner core fixed station, egg white cavity, egg white heat block and syringe needle, described dough
Syringe and egg white syringe are installed on the block of dough interflow, and described egg white cavity is arranged on the lower section of dough interflow block, described
Inner core fixed station be arranged on dough interflow block lower section and be placed in egg white cavity, described egg white heat block is arranged on egg white
The outside of cavity, described syringe needle are arranged on the bottom of egg white cavity, and described ball-screw component includes ball-screw guide rail
And motor, described motor are connected with ball-screw guide rail, described dough syringe and egg white syringe are installed respectively
On ball-screw guide rail.
The utility model collaborates block by dough and the egg white in the dough in dough syringe and egg white syringe is merged in into one
Rise, but and without mixing；By the design of inner core fixed station, it on the one hand can be easy to the positioning of egg white cavity, on the other hand
For guiding dough and egg white to enter in egg white cavity；Dough and egg white are mixed after entering egg white cavity, and are passed through
The effect of egg white heat block is heated to mixture；Finally, the mixture after heating is extruded by printing shaping by syringe needle；Its
In：Dough syringe and egg white syringe it is individually designed, meet the needs of different proportion formula, can accurately control mixed proportion；
In addition, by the way that Hybrid Heating is synchronized into operation, on the one hand it is able to ensure that extrudate is easy to be molded, on the other hand will not be because of
Transition is heated and causes syringe needle to block.By the design of motor and ball-screw guide rail, dough syringe can be accurately controlled
With the extrusion capacity of egg white syringe, printing precision is improved.
Preferably, described dough syringe is Luer's syringe, described dough syringe includes cylinder and piston rod, institute
The cylinder stated is divided into two layers, and the outer layer of its middle cylinder body is stainless steel layer, and the internal layer of cylinder is glassy layer, and the outer layer of the cylinder is set
There is observation window, described piston rod is the piston rod of adjusting piston external diameter.Pressure when dough is extruded in cylinder is larger, to
Reach estimated extrusion capacity, cylinder inboard wall there must be preferable rigidity, otherwise the meeting when piston rod performs pumpback-extrusion action
Driving inwall convergent-divergent so that the flowing of dough produces time lag, then printer model precision can be severely impacted, so from
Shell is stainless steel, internal layer is glass Luer's syringe as dough syringe, different ratio form and compound method not
Together, the mechanical characteristic of dough is also different, and the requirement to piston seal performance is also different, and the dough syringe of selection can pass through piston rod control
The external diameter of piston processed, be advantageous to the flexibility of Experimental Research.
Preferably, described egg white syringe is food-grade syringe, described egg white syringe is provided with egg white nozzle, institute
The dough interflow block stated is provided with egg white charging aperture, and described egg white nozzle collaborates the egg on block by food silicone tube and dough
Clear charging aperture connection.Pass through the design of food silicone tube, it is ensured that the security reliability of egg white.
Preferably, the top of dough interflow block is provided with dough charging aperture, described dough syringe is arranged on dough
At charging aperture, described egg white charging aperture is placed on the side of dough interflow block, and the lower section of dough interflow block is provided with dough
Discharging opening and egg white discharging opening, described dough discharging opening are connected with dough charging aperture, described egg white discharging opening and egg white
Charging aperture is connected, and described dough interflow block is made by nylon material.Collaborate the design of material of block by dough so that
Dough interflow block serves the effect of thermal insulation layer, prevents the dough do not extruded and egg white from being heated fast influence by egg white.
Preferably, described inner core fixed station is provided with dough charging hole and egg white charging hole, the charging of described dough
Hole is corresponding with dough discharging opening, and described egg white charging hole is corresponding with egg white discharging opening, and described inner core fixed station is placed in
In egg white cavity and with egg white cavity tight fit.By the design of inner core fixed station, on the one hand dough and egg white is guided to enter
Mixed in egg white cavity, on the other hand can position egg white cavity, can be easily fixed on the block of dough interflow,
And the environment of an opposing seal is realized between inner core fixed station.
Preferably, the shape of cross section of the egg white cavity is U-shaped, the openend of the egg white cavity is provided with outwardly
Flange, described egg white cavity collaborates block by flange and dough and is fixedly connected, and the bottom shape of the egg white cavity is in circle
Platform shape, described inner core fixed station are arranged on inside the openend of egg white cavity, and described egg white heat block is arranged on egg white chamber
On the outside of the openend of body, described syringe needle is arranged at the bottom centre of egg white cavity.Pass through the knot of truncated cone-shaped on egg white cavity
Structure is designed, and egg white heat block on the one hand can be guided to be installed to the outside of egg white cavity, on the other hand can guide egg white cavity
Interior mixture is extruded toward syringe needle direction.
Preferably, the center of the egg white heat block is provided with the through hole to match with egg white cavity, the egg white heating
The side of block is provided with bottoming hole and thermometer hole, and described thermometer hole connects with through hole, and described bottoming hole does not contact with through hole,
Heating rod is provided with described bottoming hole, thermistor (temperature) sensor, described heating rod and temperature-sensitive are provided with described thermometer hole
Connected between electric resistance sensor by temperature controller.Pass through the design of heating rod and thermistor (temperature) sensor, it can be ensured that egg
Mixture in cavity clearing body both meets temperature requirement, meets that extrusion requires again.
Preferably, described temperature controller includes PID temperature controllers and relay, described heating rod passes through relay
It is connected with PID temperature controllers, described thermistor (temperature) sensor is connected with PID temperature controllers.Pass through setting for PID temperature controllers and relay
Meter, temperature that can be in intelligent control egg white cavity, prevent temperature too high or too low printer and print structure are caused not
Predictable 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 reliability is high, applied widely, it is easy to disassemble with
Installation, using flexible is high, and security performance is high, can carry out intelligent temperature control, syringe needle is not easily blocked, simple in construction, easy to operate.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is Fig. 1 left view.
In figure：1. dough syringe, 2. egg white syringes, 3. piston rods, 4. cylinders, 5. egg white nozzles, 6. food silicone tubes, 7.
Dough interflow block, 8. egg white charging apertures, 9. thermometer holes, 10. inner core fixed stations, 11. egg white cavitys, 12. syringe needles, 13. bottoming holes,
14. egg white heat block.
Embodiment
The utility model is further described with reference to the accompanying drawings and detailed description.
As shown in Figure 1, Figure 2 in described embodiment, a kind of mixed food 3D printing extrusion device, including ball-screw component,
Dough syringe 1, egg white syringe 2 and extruder head, extruder head include dough interflow block 7, inner core fixed station 10, egg white cavity 11, egg
Clear heat block 14 and syringe needle 12, dough syringe 1 and egg white syringe 2 are installed on the block 7 of dough interflow, and egg white cavity 11 is arranged on
Dough collaborates the lower section of block 7, and inner core fixed station 10 is arranged on the lower section of dough interflow block 7 and is placed in egg white cavity 11, egg white
Heat block 14 is arranged on the outside of egg white cavity 11, and syringe needle 12 is arranged on the bottom of egg white cavity 11, and ball-screw component includes
Ball-screw guide rail and motor, motor are connected with ball-screw guide rail, and dough syringe 1 and egg white syringe 2 are pacified respectively
On ball-screw guide rail.Wherein：Ball screw guide rail includes ball screw axle and nut fixed seat, motor and ball
Screw mandrel axis connection, dough syringe 1 and egg white syringe 2 are separately mounted in nut fixed seat.So motor drives ball wire
Bar axle rotates, and drives the motion of nut fixed seat, so come control dough extrusion capacity in dough syringe 1 and egg white syringe 2 and
Egg white extrusion capacity.
Dough syringe 1 is Luer's syringe, and dough syringe 1 includes cylinder 4 and piston rod 3, and cylinder 4 divides for two layers, wherein
The outer layer of cylinder 4 is stainless steel layer, and the internal layer of cylinder 4 is glassy layer, and the outer layer of cylinder 4 is provided with observation window, and piston rod 3 is adjustable
Save the piston rod of piston external diameter.Egg white syringe 2 is food-grade syringe, and egg white syringe 2 is provided with egg white nozzle 5, dough interflow
Block 7 is provided with egg white charging aperture 8, and egg white nozzle 5 collaborates the egg white charging aperture 8 on block 7 with dough by food silicone tube 6 and connected
Connect.
The top of dough interflow block 7 is provided with dough charging aperture, and dough syringe 1 is arranged at dough charging aperture, egg white charging
Mouth 8 is placed on the side of dough interflow block 7, and the lower section of dough interflow block 7 is provided with dough discharging opening and egg white discharging opening, dough go out
Material mouth is connected with dough charging aperture, and egg white discharging opening is connected with egg white charging aperture 8, and dough collaborates block 7 by nylon material system
Form.Inner core fixed station 10 is provided with dough charging hole and egg white charging hole, and dough charging hole is corresponding with dough discharging opening,
Egg white charging hole is corresponding with egg white discharging opening, inner core fixed station 10 be placed in egg white cavity 11 and with the close-fitting of egg white cavity 11
Close.The shape of cross section of egg white cavity 11 is U-shaped, and the openend of egg white cavity 11 is provided with flange outwardly, egg white cavity 11
Collaborate block 7 with dough by flange to be fixedly connected, the bottom shape of egg white cavity 11 is in truncated cone-shaped, and inner core fixed station 10 is arranged on
Inside the openend of egg white cavity 11, egg white heat block 14 is arranged on the outside of the openend of egg white cavity 11, and syringe needle 12 is arranged on
At the bottom centre of egg white cavity 11.Syringe needle 12 is cone-shaped metal nozzle.
The center of egg white heat block 14 is provided with the through hole to match with egg white cavity 11, is set on the side of egg white heat block 14
There are bottoming hole 13 and thermometer hole 9, thermometer hole 9 is connected with through hole, and bottoming hole 13 does not contact with through hole, and heating is provided with bottoming hole 13
Rod, thermometer hole 9 is interior to be provided with thermistor (temperature) sensor, is connected between heating rod and thermistor (temperature) sensor by temperature controller.
Temperature controller includes PID temperature controllers and relay, and heating rod is connected by relay with PID temperature controllers, thermistor sensing
Device is connected with PID temperature controllers.
In use, controlling dough syringe 1 and egg white syringe 2 to carry out extrusion operation respectively, dough syringe 1 is provided with observation window
Can be with the extrusion capacity in Real Time Observation dough syringe 1, pressure when dough is extruded in cylinder 4 is larger, is squeezed to reach estimated
Output, the inwall of cylinder 4 must have preferable rigidity, otherwise inwall can be driven to receive when piston rod 3 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, internal layer form the difference with compound method for the Luer's syringe of glass as dough syringe 1, different ratio, dough
Mechanical characteristic is also different, and the requirement to piston seal performance is also different, and the dough syringe 1 of selection can control piston by piston rod 3
External diameter, be advantageous to the flexibility of Experimental Research, egg white syringe 2 is entered in food silicone tube 6 by egg white nozzle 5；Dough
Dough in syringe 1 is entered in the block 7 of dough interflow, and the egg white in egg white syringe 2 is also entered in the block 7 of dough interflow, but two
Do not mixed between person；Afterwards, both materials are entered in egg white cavity 11 by inner core fixed station 10 and mixed, now egg
Egg white heat block 14 outside cavity clearing body 11 is operated；Heating rod is placed in bottoming hole 13, and thermistor (temperature) sensor is placed in thermometric
In hole 9, heating rod is connected to the interface of relay, thermistor (temperature) sensor is connected to PID temperature controllers, you can realizes temperature
Control, when temperature be higher than setting value, PID temperature controllers will be switched off relay, stop heating, on the contrary then continue to heat.Heating rod
Power it is different, the elevated speed of temperature is also different under the same terms, and power is too small, and temperature raised slowly, when can cause wait
Between it is long, dough easily blocks in extruder head；Temperature rise is too fast, then perceive temperature in PID temperature controllers breaks more than setting value
A period of time after during open relay, heating rod temperature are thrown away higher than extruder head temperature, and heat continues to transmit, and causes temperature overshoot.
The material of dough interflow block 7 is nylon, can be used as thermal insulation layer, prevent the heat of egg white heat block 14 from passing through inner core fixed station 10
Conduction is into the dough and egg white do not extruded.
Claims (9)
1. a kind of mixed food 3D printing extrusion device, it is characterized in that, including ball-screw component, dough syringe (1), egg white pin
Cylinder (2) and extruder head, described extruder head include dough interflow block (7), inner core fixed station (10), egg white cavity (11), egg white
Heat block (14) and syringe needle (12), described dough syringe (1) and egg white syringe (2) are installed on dough interflow block (7), institute
The egg white cavity (11) stated is arranged on the lower section of dough interflow block (7), and described inner core fixed station (10) collaborates installed in dough
The lower section of block (7) and it is placed in egg white cavity (11), described egg white heat block (14) is arranged on the outside of egg white cavity (11),
Described syringe needle (12) is arranged on the bottom of egg white cavity (11), and described ball-screw component includes ball-screw guide rail and drive
Dynamic motor, described motor are connected with ball-screw guide rail, and described dough syringe (1) and egg white syringe (2) are pacified respectively
On ball-screw guide rail.
2. a kind of mixed food 3D printing extrusion device according to claim 1, it is characterized in that, described dough syringe
(1) it is Luer's syringe, described dough syringe (1) includes cylinder (4) and piston rod (3), and described cylinder (4) is divided into two
Layer, the outer layer of its middle cylinder body (4) is stainless steel layer, and the internal layer of cylinder (4) is glassy layer, and the outer layer of the cylinder (4), which is provided with, to be seen
Window is examined, described piston rod (3) is the piston rod of adjusting piston external diameter.
3. a kind of mixed food 3D printing extrusion device according to claim 1 or 2, it is characterized in that, described egg white pin
Cylinder (2) is food-grade syringe, and described egg white syringe (2) is provided with egg white nozzle (5), and described dough collaborates on block (7)
Provided with egg white charging aperture (8), described egg white nozzle (5) collaborates the egg white on block (7) with dough by food silicone tube (6) and entered
Material mouth (8) connects.
4. a kind of mixed food 3D printing extrusion device according to claim 3, it is characterized in that, the dough collaborates block
(7) top is provided with dough charging aperture, and described dough syringe (1) is arranged at dough charging aperture, described egg white charging aperture
(8) it is placed on the side of dough interflow block (7), the lower section of the dough interflow block (7) is provided with dough discharging opening and egg white discharges
Mouthful, described dough discharging opening is connected with dough charging aperture, and described egg white discharging opening is connected with egg white charging aperture (8),
Described dough interflow block (7) is made by nylon material.
5. a kind of mixed food 3D printing extrusion device according to claim 4, it is characterized in that, described inner core fixed station
(10) dough charging hole and egg white charging hole, described dough charging hole egg corresponding with dough discharging opening, described are provided with
Clear charging hole is corresponding with egg white discharging opening, described inner core fixed station (10) be placed in egg white cavity (11) it is interior and with egg white cavity
(11) tight fit.
6. a kind of mixed food 3D printing extrusion device according to claim 1, it is characterized in that, the egg white cavity (11)
Shape of cross section it is U-shaped, the openend of the egg white cavity (11) is provided with flange outwardly, described egg white cavity (11)
Collaborate block (7) by flange and dough to be fixedly connected, the bottom shape of the egg white cavity (11) is in truncated cone-shaped, described inner core
Fixed station (10) is arranged on inside the openend of egg white cavity (11), and described egg white heat block (14) is arranged on egg white cavity
(11) on the outside of openend, described syringe needle (12) is arranged at the bottom centre of egg white cavity (11).
7. a kind of mixed food 3D printing extrusion device according to claim 1 or 6, it is characterized in that, the egg white heating
The center of block (14) is provided with the through hole to match with egg white cavity (11), and the side of the egg white heat block (14) is provided with heating
Hole (13) and thermometer hole (9), described thermometer hole (9) connect with through hole, and described bottoming hole (13) does not contact with through hole, described
Bottoming hole (13) in be provided with heating rod, is provided with thermistor (temperature) sensor in described thermometer hole (9), described heating rod and hot
Connected between sensing resistance transducer by temperature controller.
8. a kind of mixed food 3D printing extrusion device according to claim 7, it is characterized in that, described temperature controller
Including PID temperature controllers and relay, described heating rod is connected by relay with PID temperature controllers, and described thermistor passes
Sensor is connected with PID temperature controllers.
9. a kind of mixed food 3D printing extrusion device according to claim 1, it is characterized in that, described syringe needle (12) is
Cone-shaped metal nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720235368.5U CN207136080U (en) | 2017-03-10 | 2017-03-10 | A kind of mixed food 3D printing extrusion device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720235368.5U CN207136080U (en) | 2017-03-10 | 2017-03-10 | A kind of mixed food 3D printing extrusion device |
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| CN207136080U true CN207136080U (en) | 2018-03-27 |
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ID=61657991
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114594673A (en) * | 2022-02-17 | 2022-06-07 | 大连工业大学 | Edible gelatin 3D printing equipment and control system |
-
2017
- 2017-03-10 CN CN201720235368.5U patent/CN207136080U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114594673A (en) * | 2022-02-17 | 2022-06-07 | 大连工业大学 | Edible gelatin 3D printing equipment and control system |
| CN114594673B (en) * | 2022-02-17 | 2023-03-17 | 大连工业大学 | Edible gelatin 3D printing equipment and control system |
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