CN107802023A - A kind of thermoplastic food's 3D printer extrusion system - Google Patents
A kind of thermoplastic food's 3D printer extrusion system Download PDFInfo
- Publication number
- CN107802023A CN107802023A CN201711226143.4A CN201711226143A CN107802023A CN 107802023 A CN107802023 A CN 107802023A CN 201711226143 A CN201711226143 A CN 201711226143A CN 107802023 A CN107802023 A CN 107802023A
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- China
- Prior art keywords
- barrel
- fixed
- module
- seat
- heating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23P—SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
- A23P30/00—Shaping or working of foodstuffs characterised by the process or apparatus
- A23P30/20—Extruding
-
- 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
Abstract
The present invention relates to food 3D printing association area, more particularly to a kind of thermoplastic food's 3D printer extrusion system.A kind of thermoplastic food's 3D printer extrusion system, including power transfer module, material extrusion module, temperature control modules and flip module of reloading, the power transfer module are connected in extrusion system fixed plate；The material extrusion module is connected in the power transfer module；The material extrusion module is arranged on the inner side of the flip module of reloading；The flip module of reloading is connected in the extrusion system fixed plate；The material extrusion module connects the temperature control modules；The temperature control modules are connected in extrusion system fixed plate.The invention provides a kind of simple in construction, reload conveniently, temperature control is accurate, is not easy the extrusion system of thermoplastic food's 3D printer of plug.
Description
Technical field
The present invention relates to food 3D printing association area, and system is extruded more particularly to a kind of thermoplastic food's 3D printer
System.
Background technology
As the improvement of people's living standards, people increasingly favor the unique food of modern design, therefore food 3D is beaten
Print machine arises at the historic moment.Food 3D printer is the combination of current 3D printing technique and food, can according to the demand of user,
3D printing is carried out with edible material, prints unique food moulding.
The extrusion system of existing food 3D printer typically has screw rod extrusion type and two kinds of extruded type of injection, wherein screw rod
Extruded type uses for reference the principle of injection machine, conveys food materials by the screw thread on screw rod, then pass through varying pitch or the method for change groove depth
Pressure is applied to the food materials of bottom, is allowed to extrude from syringe needle；And the principle that extruded type uses for reference syringe is injected, food materials are loaded and expected
Pipe, drive push rod that food materials are pushed out syringe needle by a sets of transmission mechanism.In order to which the thermoplasticity as chocolate can be printed
Food, it is also necessary to increase temperature control system, such as the invention of an Application No. 201610243386.8 in extrusion system
A kind of food 3D printer material extrusion device for being mentioned in patent application, pushed away using through driving stepper motor feed screw nut
Piston material extrusion, barrel inside have heating unit, can keep the temperature of food materials in barrel.
But existing screw rod extrusion type requires higher to the material and working ability of screw rod, causes overall structure cost
Height, and the extrusion capacity of food materials can not be accurately controlled, remaining food materials are also difficult to clear up after the completion of printing；Existing injection extruded type
Reload inconvenience, mode of heating is single, easily produces plug problem.
The content of the invention
It is an object of the invention to provide a kind of thermoplastic food's 3D printer extrusion system, can effectively solve prior art
The problem of middle；The invention provides a kind of simple in construction, reload conveniently, temperature control is accurate, is not easy the thermoplastic food of plug
The extrusion system of 3D printer.
The purpose of the present invention is achieved through the following technical solutions：
A kind of thermoplastic food's 3D printer extrusion system, including power transfer module, material extrusion module, temperature control
Module and flip module of reloading, the power transfer module are connected in extrusion system fixed plate；The material extrusion module connects
It is connected in the power transfer module；The material extrusion module is arranged on the inner side of the flip module of reloading；It is described to reload
Flip module is connected in the extrusion system fixed plate；The material extrusion module connects the temperature control modules；It is described
Temperature control modules are connected in extrusion system fixed plate.
The power transfer module includes decelerating step motor, shaft coupling, screw mandrel, feed screw nut, optical axis guide rail, linear axis
Hold, pressing plate, motor fixing seat and leading screw fixed plate；The decelerating step motor is fixed in the motor fixing seat；It is described to subtract
The shaft of trot stepper motor is connected with described shaft coupling one end；The other end of the shaft coupling is connected with described screw mandrel one end；Institute
State and the feed screw nut is cased with screw mandrel；The pressing plate is fixed on the feed screw nut；The linear bearing is fixed on described
On pressing plate, the center of the linear bearing passes through the optical axis guide rail；The lower end of the optical axis guide rail is fixed on the motor and consolidated
In reservation, the upper end of the optical axis guide rail is fixed in the leading screw fixed plate；The screw rod fixing plate and the motor are fixed
Seat is all fixedly connected in extrusion system fixed plate.
The flip module of reloading includes buckle, strong magnet piece I, strong magnet piece II, limit screw, nut, barrel and fixed
Seat, barrel overturning seat and extruder head heated seats；The buckle is provided with two, and two buckles are connected to the barrel fixed seat
The both sides of top, the buckle can rotate around its connecting hole；The strong magnet piece I is fixed in the groove of the buckle；It is described
Limit screw is fixed on the top of the barrel overturning seat by the nut；The top of the barrel overturning seat is fixed with described
Strong magnet piece II, the strong magnet piece II and the strong magnet piece I are oppositely arranged；The buckle is by the barrel overturning seat card
Firmly；The extruder head heated seats are fixed on the lower section of the barrel fixed seat；The barrel overturning seat is connected to institute by axis hole
State in extruder head heated seats, the barrel overturning seat can rotate around axis hole；The barrel fixed seat is fixedly connected on the motor
One end of fixed seat.
The material extrusion module includes push rod, barrel, extruder head and piston；The barrel head is fixed with the extrusion
Head；There is screw thread one end of the push rod, and described threaded one end of push rod is fixed on the pressing plate by locking nut, described
The push rod other end connects the piston；The piston sliding connection is in the inside of the barrel, the piston and the material
Cylinder is internally formed closing space.
The temperature control modules include heating module and refrigerating module；The heating module include extruder head heat block,
Extruder head heating rod, temperature sensor, insulating collar I, insulating collar II, barrel heating plate and resistance heating film；The barrel heating
Piece is tile, and the barrel heating plate is provided with two, two barrel heating plates be separately fixed at the barrel fixed seat and
On the barrel overturning seat, cavity is formed between two barrel heating plates；The resistance heating film is provided with two, two resistance
Heating film is attached to the back of two barrel heating plates respectively；The temperature sensor is pasted with the resistance heating film；
The extruder head heat block is a tight fit in the extruder head heated seats；The extruder head heating rod and the temperature sensor lead to
Small holes are embedded to inside the extruder head heat block；The barrel be inserted in the cavity that described two barrel heating plates are formed and with
The barrel heating plate is brought into close contact；The inner sleeve of the insulating collar I in the upper end in the outside of two barrel heating plates, it is described every
The upper end being fitted on the outside of gas ket I on the inside of the barrel fixed seat and the barrel overturning seat；The inner side of the insulating collar II
The lower end in the outside of two barrel heating plates is enclosed on, the barrel fixed seat and the material are fitted on the outside of the insulating collar II
Lower end on the inside of cylinder overturning seat.
The refrigerating module includes fan retaining bracket, cooling fan and air guiding sleeve；The fan retaining bracket is fixed on extrusion
In system fixed plate；The cooling fan is fixedly connected on the fan retaining bracket；The air outlet of the cooling fan is cased with
The air guiding sleeve.
The resistance heating film is flexible tack heating film.
Beneficial effects of the present invention：A kind of thermoplastic food's 3D printer extrusion system of the present invention, can effectively be solved
The problems of the prior art；The invention provides a kind of simple in construction, reload conveniently, temperature control is accurate, is not easy the heat of plug
The extrusion system of plastic food 3D printer.
The present invention compared with prior art, the advantage is that：
1. compared to the type of drive through motor, stepper motor of the invention can install decelerator on shaft, and
The moment of torsion of decelerating step motor is larger, so compared to through motor, under same operating power, there is in light weight, small volume, saves
The advantages of saving installing space.
2. the push rod of the extrusion system of traditional food 3D printer can only realize the motion in a direction, i.e., food materials is crowded
Go out.And the extrusion system of the present invention has the locking nut for coordinating pumpback function to realize, the afterbody of push rod is installed on, and by push rod
It is fixed together with pressing plate, wire drawing phenomenon caused by model surface can be effectively prevented from, lifts print quality and molding effect.
3. due to push rod push with pumpback be both direction motion, limit screw of the invention can make expects pipe with it is solid
The relative position of reservation does not change, and fixed is more firm.The overturning seat pipe process that can make to reload is more convenient.
4. cooling fan is advantageous to the rapid shaping of food materials in print procedure, make printing effect good.
5. the present invention has two temperature conditioning units, a barrel heating plate, for the insulation of food materials in expects pipe, one is accurate
Control the extruder head heating rod of drop temperature.Because traditional mode of heating only has a heating plate for the heating of expects pipe wall, with
The continuous reduction of food materials in print procedure, heat can be concentrated in clout, makes the temperature more and more higher of clout, prints
Food materials also can be thinning, and the effect of printing is deteriorated.And often through a pumpback process temperature of the food materials in pipe can all produced and change,
Therefore it is more difficult to realize the accurate control to extrudate temperature.The temperature of extruder head heating rod of the present invention is higher than barrel heating plate
Temperature, the temperature of extruded stock can be made to be slightly above the maximum temperature of food materials in pipe, the accurate control of print temperature is realized with this,
Be advantageous to prevent the generation of plug phenomenon, make printing effect stable.
Brief description of the drawings
Fig. 1 is the overall structure diagram one of the present invention；
Fig. 2 is the overall structure diagram two of the present invention；
Fig. 3 is the lateral partial structurtes sectional view of the present invention；
Fig. 4 is the structural representation of the flip module of reloading inside the present invention.
In figure：101- extrusion system fixed plates；102- screw rod fixing plates；103- optical axis guide rails；104- screw mandrels；105- screw mandrels
Nut；106- linear bearings；107- pressing plates；108- shaft couplings；109- motor fixing seats；110- decelerating step motors；201- locks
Tight nut；202- push rods；203- barrels；204- limit screws；205- buckles；206- barrel fixed seats；207- barrel overturning seats；
208- extruder head heated seats；209- extruder head heat blocks；210- extruder heads；211- extruder head heating rods；212- temperature sensors；
Insulating collar I-213A；Insulating collar II-213B；214- barrel heating plates；215- resistance heating films；216- pistons；Strong magnet piece I-
217A；Strong magnet piece II-217B；218- nuts；301- fan retaining brackets；302- cooling fans；303- air guiding sleeves.
Embodiment
1-4 is described in further detail to the present invention below in conjunction with the accompanying drawings.
Embodiment one：
As Figure 1-4, a kind of thermoplastic food's 3D printer extrusion system, including power transfer module, material extrusion
Module, temperature control modules and flip module of reloading, the power transfer module are connected in extrusion system fixed plate 101；Institute
Material extrusion module is stated to be connected in the power transfer module；The material extrusion module is arranged on the flip module of reloading
Inner side；The flip module of reloading is connected in the extrusion system fixed plate 101；Described in the material extrusion module connection
Temperature control modules；The temperature control modules are connected in extrusion system fixed plate 101.
The power transfer module includes decelerating step motor 110, shaft coupling 108, screw mandrel 104, feed screw nut 105, light
Axis rail 103, linear bearing 106, pressing plate 107, motor fixing seat 109 and leading screw fixed plate 102；The decelerating step motor
110 are fixed in the motor fixing seat 109；The shaft of the decelerating step motor 110 and one end phase of shaft coupling 108
Even；The other end of the shaft coupling 108 is connected with described one end of screw mandrel 104；The feed screw nut is cased with the screw mandrel 104
105；The pressing plate 107 is fixed on the feed screw nut 105；The linear bearing 106 is fixed on the pressing plate 107, institute
The center for stating linear bearing 106 passes through the optical axis guide rail 103；The lower end of the optical axis guide rail 103 is fixed on the motor and consolidated
In reservation 109, the upper end of the optical axis guide rail 103 is fixed in the leading screw fixed plate 102；The He of screw rod fixing plate 102
The motor fixing seat 109 is all fixedly connected in extrusion system fixed plate 101.On the shaft of the decelerating step motor 110
Decelerator is mounted with, and the moment of torsion of decelerating step motor 110 is larger, so compared to through motor, under same operating power,
There is the advantages of in light weight, small volume, saving installing space.
It is described reload flip module include buckle 205, strong magnet piece I217A, strong magnet piece II217B, limit screw 204,
Nut 218, barrel fixed seat 206, barrel overturning seat 207 and extruder head heated seats 208；The buckle 205 is provided with two, two
Buckle 205 is connected to the both sides of the top of barrel fixed seat 206, and the buckle 205 can rotate around its connecting hole；Institute
Strong magnet piece I217A is stated to be fixed in the groove of the buckle 205；The limit screw 204 is fixed on institute by the nut 218
State the top of barrel overturning seat 207；The top of the barrel overturning seat 207 is fixed with the strong magnet piece II217B, described strong
Flat thin magnet II217B is oppositely arranged with the strong magnet piece I217A；The buckle 205 blocks the barrel overturning seat 207；Institute
State the lower section that extruder head heated seats 208 are fixed on the barrel fixed seat 206；The barrel overturning seat 207 is connected by axis hole
In the extruder head heated seats 208, the barrel overturning seat 207 can rotate around axis hole；The barrel fixed seat 206, which is fixed, to be connected
It is connected on one end of the motor fixing seat 109.The top of barrel overturning seat 207 is fixed with the strong magnet piece 217B, is used for
Attract the corresponding strong magnet piece 217A, the buckle 205 is blocked the barrel overturning seat 207, the barrel upset
Seat 207 is connected in the extruder head heated seats 208 by axis hole, and can be rotated around axis hole.This flip module of reloading can make
It is more convenient to reload.The limit screw 204 is fixed on the top of barrel overturning seat 207 by the nut 218, due to pushing away
Push and the pumpback of bar 202 are the motions of both direction, available for preventing the barrel 203 in pumpback campaign from the temperature
Deviate from control module.
The material extrusion module includes push rod 202, barrel 203, extruder head 210 and piston 216；The barrel 203
Portion is fixed with the extruder head 210；There is screw thread one end of the push rod 202, and described 202 threaded one end of push rod passes through locking
Nut 201 is fixed on the pressing plate 107, and the other end of push rod 202 connects the piston 216；The piston 216, which slides, matches somebody with somebody
The inside for being connected to the barrel 203 is closed, the piston 216 is internally formed closing space with the barrel 203.The push rod
There is screw thread 202 one end, are fixed on by the locking nut 201 on the pressing plate 107, can be carried out directly with the pressing plate 107
Line moves.Because the push rod of the extrusion system of traditional food 3D printer can only realize the motion in a direction, i.e. food materials
Extrusion.And the extrusion system of the present invention has the locking nut 201 for coordinating pumpback function to realize, the afterbody of push rod 202 is installed on,
And push rod 202 and pressing plate 107 are fixed together, wire drawing phenomenon caused by model surface, lifting printing can be effectively prevented from
Quality and molding effect.
The temperature control modules include heating module and refrigerating module；The heating module includes extruder head heat block
209th, extruder head heating rod 211, temperature sensor 212, insulating collar I213A, insulating collar II213B, barrel heating plate 214 and electricity
Hinder heating film 215；The barrel heating plate 214 is tile, and the barrel heating plate 214 is provided with two, and two barrels add
Backing 214 is separately fixed in the barrel fixed seat 206 and the barrel overturning seat 207, between two barrel heating plates 214
Form cavity；The resistance heating film 215 is provided with two, and two resistance heating films 215 are attached to two barrel heating respectively
The back of piece 214；The temperature sensor 212 is pasted with the resistance heating film 215；The extruder head heat block 209
It is a tight fit in the extruder head heated seats 208；The extruder head heating rod 211 and the temperature sensor 212 pass through aperture
It is embedded to inside the extruder head heat block 209；The barrel 203 is inserted in the cavity that described two barrel heating plates 214 are formed
And it is brought into close contact with the barrel heating plate 214；The inner sleeve of the insulating collar I213A is in the outer of two barrel heating plates 214
The upper end of side, the barrel fixed seat 206 and the inner side of the barrel overturning seat 207 are fitted on the outside of the insulating collar I213A
Upper end；The inner sleeve of the insulating collar II213B is in the lower end in the outside of two barrel heating plates 214, the insulating collar
The lower end of the barrel fixed seat 206 and the inner side of the barrel overturning seat 207 is fitted on the outside of II213B.Because traditional adds
Hot mode only has a heating plate for the heating of expects pipe wall, with the continuous reduction of food materials in print procedure, can concentrate heat
In clout, make the temperature more and more higher of clout, the food materials printed also can be thinning, and the effect of printing is deteriorated.And often through one
Pumpback process can all make the temperature of the food materials in pipe produce change, therefore be more difficult to realize the accurate control to extrudate temperature.
The temperature of extruder head heating rod 211 of the present invention is higher than the temperature of barrel heating plate 214, and the temperature of extruded stock can be made slightly above to manage
The maximum temperature of interior food materials, the accurate control of print temperature is realized with this, be also beneficial to prevent the generation of plug phenomenon, make printing
Effect stability.
The refrigerating module includes fan retaining bracket 301, cooling fan 302 and air guiding sleeve 303；The fan retaining bracket
301 are fixed in extrusion system fixed plate 101；The cooling fan 302 is fixedly connected on the fan retaining bracket 301；Institute
Stating the air outlet cover of cooling fan 302 has the air guiding sleeve 303.The air guiding sleeve 303 can make the cold wind of blowout focus on beat
On the food materials printed off, make its fast cooling shaping, make printing effect good.
The resistance heating film 215 is flexible tack heating film.
Certainly, described above is not limitation of the present invention, and the present invention is also not limited to the example above, the art
The variations, modifications, additions or substitutions that those of ordinary skill is made in the essential scope of the present invention, fall within the guarantor of the present invention
Protect scope.
Claims (7)
1. a kind of thermoplastic food's 3D printer extrusion system, including power transfer module, material extrusion module, temperature control mould
Block and flip module of reloading, it is characterised in that：The power transfer module is connected in extrusion system fixed plate (101)；It is described
Material extrusion module is connected in the power transfer module；The material extrusion module is arranged on the flip module of reloading
Inner side；The flip module of reloading is connected on the extrusion system fixed plate (101)；Described in the material extrusion module connection
Temperature control modules；The temperature control modules are connected in extrusion system fixed plate (101).
A kind of 2. thermoplastic food's 3D printer extrusion system according to claim 1, it is characterised in that：The power passes
Passing module includes decelerating step motor (110), shaft coupling (108), screw mandrel (104), feed screw nut (105), optical axis guide rail
(103), linear bearing (106), pressing plate (107), motor fixing seat (109) and leading screw fixed plate (102)；The deceleration stepping electricity
Machine (110) is fixed in the motor fixing seat (109)；The shaft of the decelerating step motor (110) and the shaft coupling
(108) one end is connected；The other end of the shaft coupling (108) is connected with the screw mandrel (104) one end；On the screw mandrel (104)
It is cased with the feed screw nut (105)；The pressing plate (107) is fixed on the feed screw nut (105)；The linear bearing
(106) it is fixed on the pressing plate (107), the center of the linear bearing (106) passes through the optical axis guide rail (103)；It is described
The lower end of optical axis guide rail (103) is fixed in the motor fixing seat (109), and the upper end of the optical axis guide rail (103) is fixed on
On the leading screw fixed plate (102)；The screw rod fixing plate (102) and the motor fixing seat (109) are all fixedly connected on crowded
Go out in system fixed plate (101).
A kind of 3. thermoplastic food's 3D printer extrusion system according to claim 2, it is characterised in that：Described reload is turned over
Revolving die block include buckle (205), strong magnet piece I (217A), strong magnet piece II (217B), limit screw (204), nut (218),
Barrel fixed seat (206), barrel overturning seat (207) and extruder head heated seats (208)；The buckle (205) is provided with two, two
Buckle (205) is connected to the both sides above the barrel fixed seat (206), and the buckle (205) can be around its connecting hole
Rotation；The strong magnet piece I (217A) is fixed in the groove of the buckle (205)；The limit screw (204) passes through the spiral shell
Female (218) are fixed on the top of the barrel overturning seat (207)；The top of the barrel overturning seat (207) is fixed with described strong
Flat thin magnet II (217B), the strong magnet piece II (217B) are oppositely arranged with the strong magnet piece I (217A)；The buckle
(205) the barrel overturning seat (207) is blocked；The extruder head heated seats (208) are fixed on the barrel fixed seat (206)
Lower section；The barrel overturning seat (207) is connected on the extruder head heated seats (208) by axis hole, the barrel upset
Seat (207) can rotate around axis hole；The barrel fixed seat (206) is fixedly connected on one end of the motor fixing seat (109).
A kind of 4. thermoplastic food's 3D printer extrusion system according to claim 3, it is characterised in that：The material squeezes
Going out module includes push rod (202), barrel (203), extruder head (210) and piston (216)；Barrel (203) head is fixed with
The extruder head (210)；There is screw thread one end of the push rod (202), and the threaded one end of the push rod (202) passes through locking screw
Female (201) are fixed on the pressing plate (107), and push rod (202) other end connects the piston (216)；The piston
(216) sliding connection is internally formed envelope in the inside of the barrel (203), the piston (216) with the barrel (203)
Close space.
A kind of 5. thermoplastic food's 3D printer extrusion system according to claim 4, it is characterised in that：The temperature control
Molding block includes heating module and refrigerating module；The heating module includes extruder head heat block (209), extruder head heating rod
(211), temperature sensor (212), insulating collar I (213A), insulating collar II (213B), barrel heating plate (214) and resistance heating
Film (215)；The barrel heating plate (214) is tile, and the barrel heating plate (214) is provided with two, and two barrels add
Backing (214) is separately fixed on the barrel fixed seat (206) and the barrel overturning seat (207), two barrel heating plates
(214) cavity is formed between；The resistance heating film (215) is provided with two, and two resistance heating films (215) are attached to respectively
The back of two barrel heating plates (214)；Resistance heating film (215) place is pasted with the temperature sensor (212)；Institute
Extruder head heat block (209) is stated to be a tight fit in the extruder head heated seats (208)；The extruder head heating rod (211) and institute
State temperature sensor (212) and extruder head heat block (209) inside is embedded to by aperture；The barrel (203) is inserted in described
It is brought into close contact in the cavity that two barrel heating plates (214) are formed and with the barrel heating plate (214)；The insulating collar I
The inner sleeve of (213A) is fitted on the outside of the upper end in the outside of two barrel heating plates (214), the insulating collar I (213A)
Upper end on the inside of the barrel fixed seat (206) and the barrel overturning seat (207)；The inner sleeve of the insulating collar II (213B)
The barrel is fitted on the outside of the lower end in the outside of two barrel heating plates (214), the insulating collar II (213B) to fix
Lower end on the inside of seat (206) and the barrel overturning seat (207).
A kind of 6. thermoplastic food's 3D printer extrusion system according to claim 5, it is characterised in that：The cooling mould
Block includes fan retaining bracket (301), cooling fan (302) and air guiding sleeve (303)；The fan retaining bracket (301) is fixed on crowded
Go out in system fixed plate (101)；The cooling fan (302) is fixedly connected on the fan retaining bracket (301)；The cooling
The air outlet cover of fan (302) has the air guiding sleeve (303).
A kind of 7. thermoplastic food's 3D printer extrusion system according to claim 5, it is characterised in that：The resistance adds
Hotting mask (215) is flexible tack heating film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711226143.4A CN107802023B (en) | 2017-11-29 | 2017-11-29 | Thermoplastic food 3D printer extrusion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711226143.4A CN107802023B (en) | 2017-11-29 | 2017-11-29 | Thermoplastic food 3D printer extrusion system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107802023A true CN107802023A (en) | 2018-03-16 |
| CN107802023B CN107802023B (en) | 2022-11-04 |
Family
ID=61589533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711226143.4A Active CN107802023B (en) | 2017-11-29 | 2017-11-29 | Thermoplastic food 3D printer extrusion system |
Country Status (1)
| Country | Link |
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| CN (1) | CN107802023B (en) |
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| CN110039770A (en) * | 2019-05-24 | 2019-07-23 | 杭州捷诺飞生物科技股份有限公司 | Ejecting device and photocuring 3D printer |
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| CN113439865A (en) * | 2021-07-05 | 2021-09-28 | 宁波爱用机械科技有限公司 | Peristaltic pump type 3D printing nozzle and application thereof |
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