CN108621430A - A kind of heated type 3D printer extrusion nozzle - Google Patents
A kind of heated type 3D printer extrusion nozzle Download PDFInfo
- Publication number
- CN108621430A CN108621430A CN201810410386.1A CN201810410386A CN108621430A CN 108621430 A CN108621430 A CN 108621430A CN 201810410386 A CN201810410386 A CN 201810410386A CN 108621430 A CN108621430 A CN 108621430A
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- Prior art keywords
- nozzle
- connect
- heated type
- buffer volume
- temperature
- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/205—Means for applying layers
- B29C64/209—Heads; Nozzles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/295—Heating elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/386—Data acquisition or data processing for additive manufacturing
- B29C64/393—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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- 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
-
- 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
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
Abstract
The invention discloses a kind of heated type 3D printers to squeeze out nozzle,Including ceramic nozzle,Heating device,Feeding device and control mechanism,The control mechanism includes motor pulse-width controlled module and temperature control modules,The motor pulse-width controlled module is connect with feeding device,The feeding device is arranged in the top of ceramic nozzle,And buffer volume is vertically arranged between feeding device and ceramic nozzle,The lower end of the buffer volume is connect with ceramic nozzle,The outside in buffer volume and ceramic nozzle is arranged in the heating device,Temperature-detecting device is provided on heating device,Described temperature control modules one end is connect with heating device,The other end is connect with temperature-detecting device,It is simple in structure,It is easy to operate,Universal performance is strong,The 3D printing product of high quality can be printed,Greatly reduce the rejection rate of the heated type 3D printer printed product.
Description
Technical field
The present invention relates to 3D printer technical field, specially a kind of heated type 3D printer squeezes out nozzle.
Background technology
3D printer is also known as three-dimensional printer, i.e. a kind of machine of rapid prototyping technology, it is a kind of digital model file
Based on, with adhesive materials such as powdery metal or plastics, construct the technology of object, mistake by layer-by-layer printing
It goes it to be often used for modeling in fields such as mold manufacturing, industrial designs, is now increasingly used for the direct manufacture of some products,
The technology can be used for jewelry, footwear, industrial design, building, engineering and construction, automobile, aerospace, dentistry and medical industries,
Education, GIS-Geographic Information System, civil engineering and many other fields.
The extrusion nozzle of 3D printer is the critical component of 3D printer walking mechanism, how to control extrusion silk and is squeezing out
When temperature directly affect the precision of 3D printing again, therefore, heating is usually arranged in existing 3D printer on squeezing out nozzle
Device, there are still some problems during the work time for the 3D printer of existing heated type：
(1) existing heated type 3D printer squeezes out and is not provided with temperature control equipment on nozzle, to can not achieve heating
Temperature controlled function, during 3D printer nozzle extruded product, often occur due to temperature it is low, prevent printing raw material from
Melt completely, phenomenon hindered is sprayed, to affect the service life of 3D printer；Or since temperature is excessively high, make
Printing raw material melt ejection after still have larger mobility, to after ejection without legal type the problem of, moreover, for
When 3D printing product uses different consumptive materials, required heating temperature is also different；
(2) for existing heated type 3D printer in printing feeding process, driving motor dynamic property is poor, often occur by
In the response not in time of driving motor, printed product wire drawing is caused, influences the quality of printed product, causes printed product rejection rate
It improves.
Invention content
In order to overcome the shortcomings of that prior art, the present invention provide a kind of heated type 3D printer extrusion nozzle, structure
Simply, easy to operate, the 3D printing product of high quality can be printed, and can effectively solve the problem that the problem of background technology proposes.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of heated type 3D printer extrusion nozzle, including ceramic nozzle, heating device, feeding device and control mechanism,
The control mechanism includes motor pulse-width controlled module and temperature control modules, the motor pulse-width controlled module and feeding device
Connection, the feeding device is arranged in the top of ceramic nozzle, and buffering is vertically arranged between feeding device and ceramic nozzle
The lower end of vessel, the buffer volume is connect with ceramic nozzle, and the heating device is arranged in buffer volume and ceramic nozzle
Outside, be provided with temperature-detecting device on heating device, described temperature control modules one end is connect with heating device, the other end
It is connect with temperature-detecting device.
Further, the feeding device includes feed roller, the stepper drive motors for controlling charging, for step to be arranged
Fixed mounting plate into driving motor and the passage being vertically arranged, the feed roller is arranged in the top of passage, and feeds
The drive shaft of roller center and the transmission axis connection of stepper drive motors, described stepper drive motors one end and motor pulse-width controlled
Module connects, and the lower end of the passage and the upper end of buffer volume connect.
Further, the heating device includes heating aluminium sheet and heat conductive silica gel adhesive layer, and the heating aluminium sheet setting exists
The outer surface of buffer volume and ceramic nozzle, the heat conductive silica gel adhesive layer setting are being heated between aluminium sheet and buffer volume, are being added
Between hot aluminium sheet and ceramic nozzle, the temperature-detecting device setting heats aluminium sheet one end and temperature in heating aluminium sheet outer surface
Control module connects.
Further, the temperature-detecting device includes heat sensor and the groove for installing heat sensor, described
Groove is arranged in heating aluminium sheet close to one end of buffer volume, and described heat sensor one end is connect with heating aluminium sheet, the other end
It is connect with temperature control modules.
Further, the motor pulse-width controlled module is used for controlling the pulse width of stepper drive motors, motor pulsewidth
Control module includes circuit for controlling motor and pulse width regulating circuit, described circuit for controlling motor one end and stepper drive motors
Connection, the other end connect with pulse width regulating circuit, and described pulse width regulating circuit one end also with stepper drive motors
Connection.
Further, be provided with insulating assembly between the buffer volume and passage, the passage lower end pass through every
Hot component extends to the inside of buffer volume.
Further, the insulating assembly includes upper layer and lower layer vacuum insulation panel, vacuum insulation panel described in upper layer and lower layer it
Between be provided with high temperature resistant heat insulation cotton layer.
Further, the side of the ceramic nozzle is provided with protection device of air, and the protection device of air includes snorkel
Road and installation frame body for fixing ventilation pipe, the installation frame body are arranged in the side of ceramic nozzle, the ventilation pipe
Bottom end alignment ceramic nozzle lower end.
Further, the gas in the ventilation pipe is nitrogen or neon, xenon.
Further, the ceramic nozzle includes nozzle body and nozzle, and the nozzle is arranged in the lower end of nozzle body,
And nozzle is connect by threaded engagement mode with nozzle body.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) present invention can be worked by the setting of the temperature control modules on squeezing out nozzle in the heated type 3D printer
The function to heating and temperature control is realized in the process, by temperature-detecting device, is measured heating temperature, is then passed through temperature control
Molding block controls heating temperature, on the one hand, can be different according to the consumptive material of 3D printing product, the difference of heating temperature is controlled, is enhanced
The universal performance of the heated type 3D printer, has reached preferably printing effect；On the other hand, avoid temperature too high or too
It is low, cause ejection product to be not easy to shape or be easy to cause the clogging of ceramic nozzle；
(2) setting of the invention by motor pulse-width controlled module to the heated type 3D printer, it can be achieved that be fed stepping
The control function of driving motor substantially improves the dynamic property of feed stepper drive motors so that feed stepper drive motors
It disclosure satisfy that feed demand when needing ceramic nozzle quick response, ensure the quality for the 3D printing product that ceramic nozzle is sprayed
Reliably, phenomena such as avoiding the occurrence of crimping, drift, wire drawing reduces the rejection rate of the heated type 3D printer institute printed product.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the control mechanism control flow chart of the present invention.
Figure label：
1- ceramic nozzles；2- heating devices；3- feeding devices；4- control mechanisms；5- motor pulse-width controlled modules；6- temperature
Control module；7- protects device of air；8- temperature-detecting devices；9- insulating assemblies；10- buffer volumes；
101- nozzle bodies；102- nozzles；
201- heats aluminium sheet；202- heat conductive silica gel adhesive layers；
301- feed rollers；302- stepper drive motors；303- fixed mounting plates；304- passages；305- drive shafts；
501- circuit for controlling motor；502- pulse width regulating circuits；
701- ventilation pipes；702- installation frame bodies；
801- heat sensors；802- grooves；
901- vacuum insulation panels；902- high temperature resistant heat insulations cotton layer.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As depicted in figs. 1 and 2, the present invention provides a kind of heated type 3D printer squeeze out nozzle, including ceramic nozzle 1,
Heating device 2, feeding device 3 and control mechanism 4, ceramic nozzle 1 have high temperature resistant, chemical stability is good, is conducive to extend pottery
The characteristics of porcelain 1 service life of nozzle, the control mechanism 4 include motor pulse-width controlled module 5 and temperature control modules 6, the motor
Pulse-width controlled module 5 is connect with feeding device 3, and the feeding device 3 is arranged in the top of ceramic nozzle 1, and feeding device 3 with
Buffer volume 10, the setting of buffer volume 10 are vertically arranged between ceramic nozzle 1, on the one hand, can to printing raw material into
Row melts, and increases its mobility, in order to which it is sprayed from ceramic nozzle 1；On the other hand, buffer volume 10 has certain body
Product, additionally it is possible to the printing raw material of liquid are stored temporarily, maintain the amount of printing raw material in buffer volume 10, so as to
It is enough effectively relieved in print procedure and the phenomenon that fracture occurs due under feeding, lower end and the ceramics of the buffer volume 10 spray
Mouth 1 connects, and the heating device 2 is arranged the outside in buffer volume 10 and ceramic nozzle 1, temperature is provided on heating device 2
Detection device 8 is spent, 6 one end of the temperature control modules is connect with heating device 2, and the other end is connect with temperature-detecting device 8.
By temperature control modules 6 and temperature-detecting device 8, to realize heating device 2 to 1 heating temperature of ceramic nozzle
Control action, temperature cannot be low, and low temperature can prevent material from melting completely, and ejection is hindered, to influence the 3D printer
Service life；Excessively high temperature still has larger mobility after material can be made to melt ejection, thus can not after ejection
Sizing.
The feeding device 3 includes feed roller 301, the stepper drive motors 302 for controlling charging, for stepping to be arranged
The fixed mounting plate 303 of driving motor 302 and the passage 304 being vertically arranged, the feed roller 301 are arranged in passage 304
Top, and the transmission axis connection of the drive shaft 305 at 301 center of feed roller and stepper drive motors 302, the stepper drive
302 one end of motor is connect with motor pulse-width controlled module 5, and the lower end of the passage 304 is connect with the upper end of buffer volume 10.
The operation principle of the feeding device 3 is as follows：
Start stepper drive motors 302, drive shaft 305 is driven to rotate, and then realizes feed roller 301 to passage 304
Interior charging, printing raw material are entered by passage 304 in buffer volume 10, that is, realize the feeding work(of the heated type 3D printer
Energy.
It is explained further, driving part of the stepper drive motors 302 as ceramic nozzle 1 needs in many cases,
The quick response of ceramic nozzle 1 is wanted, we contacted many physical motion problems from small to large, and physical motion is all very here
It is ideal or with regard to direct uniform motion or just directly accelerate, for stress problem, applies one to an object and make
Firmly, then this object just receives the effect of power at once, in fact, these things, are all not present in actual life, one
A object will be there are one speed, it is required for the process there are one speed dynamic change；One object will be by 10 newton
Power, after the power that you give its 10 newton, it will not be at once just by so big power, and the stress of object also changed
Journey；And after the pulse frequency for providing stepper drive motors 302, it will not carry out work according to this frequency at once, it also has
One dynamic change procedure, so many times, stepper drive motors 302 may be because of being quickly unable to reach requirement
Speed, and its normal work is influenced, material is too small in the speed just to have gushed out, can influence viscous between material and working face
Conjunction property, to which crimping, drift etc. occur, when needing ceramic nozzle 1 to do quick movement, since target speed can not be rapidly achieved
Degree, to which there is a phenomenon where the silks to gush out to be pulled.
Supplementary explanation, the stepper drive motors 302 can not have excessively high electric current, excessively high electric current stepping can be made to drive
The dynamic fever of motor 302 is accelerated, and influences 302 service life of stepper drive motors, but also will produce prodigious noise.
By the setting of motor pulse-width controlled module 5, the function to 302 pulse width modulation of stepper drive motors is realized,
And then the dynamic property of stepper drive motors 302 is effectively improved, ensure that the quality of the heated type 3D printer institute printed product can
It leans on.
The heating device 2 includes heating aluminium sheet 201 and heat conductive silica gel adhesive layer 202, and the setting of heating aluminium sheet 201 exists
The outer surface of buffer volume 10 and ceramic nozzle 1, the setting of heat conductive silica gel adhesive layer 202 are held in heating aluminium sheet 201 and buffering
Between chamber 10, between heating aluminium sheet 201 and ceramic nozzle 1, heating aluminium sheet 201 can guarantee 1 table of buffer volume 10 and ceramic nozzle
Face is heated evenly so that the printing raw material in buffer volume 10 and ceramic nozzle 1 fully melt；Heat conductive silica gel adhesive layer 202
Setting so that heating aluminium sheet 201 be completely embedded with buffer volume 10, ceramic nozzle 1, moreover, heat conductive silica gel adhesive layer 202 rises
Arrived conductive force well, the setting of the temperature-detecting device 8 in 201 outer surface of heating aluminium sheet, heating 201 one end of aluminium sheet with
Temperature control modules 6 connect.
The temperature-detecting device 8 includes heat sensor 801 and the groove 802 for installing heat sensor 801, and heat passes
Sensor is the characteristic varied with temperature using the resistance of conductor, to the device that the related parameter of temperature and humidity is detected, institute
It states groove 802 to be arranged in heating aluminium sheet 201 close to one end of buffer volume 10, ensure that 801 measured temperature of heat sensor
Reliability, 801 one end of the heat sensor are connect with heating aluminium sheet 201, and the other end is connect with temperature control modules 6.
Heating aluminium sheet 201 is detected to printing the heating temperature of raw material by heat sensor 801, and temperature data is passed
Temperature control modules 6 are passed, temperature control modules 6 receive the data that heat sensor 801 is sent, and processing, analysis are finally real again
Now to the control of 201 heating effect of heated aluminum block.
The motor pulse-width controlled module 5 is used for controlling the pulse width of stepper drive motors 302, motor pulse-width controlled mould
Block 5 includes circuit for controlling motor 501 and pulse width regulating circuit 502,501 one end of the circuit for controlling motor and stepper drive
Motor 302 connects, and the other end connect with pulse width regulating circuit 502, and 502 one end of the pulse width regulating circuit also with
Stepper drive motors 302 connect.
Data acquisition, analysis by circuit for controlling motor 501 to 302 rotating speed of stepper drive motors, are then sent to arteries and veins
Adjustment circuit 502 is rushed, pulse width regulating circuit 502 receives data processing, analysis from circuit for controlling motor 501
Afterwards, by changing pulse width, change the driving current of stepper drive motors 302, and then realize to 302 turns of stepper drive motors
The control action of speed.
Be provided with insulating assembly 9 between the buffer volume 10 and passage 304,304 lower end of the passage pass through every
Hot component 9 extends to the inside of buffer volume 10, and the setting of insulating assembly 9 can make printing raw material reach buffer volume
It will not soften before 10, so as to which the problem of high temperature makes the printing raw material of 304 upper end of passage soften is effectively relieved, because
This, the problem of capable of effectively avoiding printing raw material softening that its extruding force is caused to reduce, and be easy fracture, block, and can
Effectively improve printing shaping efficiency and Forming Quality.
The insulating assembly 9 includes upper layer and lower layer vacuum insulation panel 901, and vacuum insulation panel is one in vacuum thermal insulating material
Kind, it is to be combined by filling core material and vacuum protection surface layer, it is effectively prevented from heat transmission caused by cross-ventilation, has ring
It protects and energy-efficient characteristic, is current efficient thermal insulation material state-of-the-art in the world, vacuum insulation panel 901 described in upper layer and lower layer
Between be provided with high temperature resistant heat insulation cotton layer 902, high temperature resistant heat insulation cotton has that high temperature resistant, nonflammable, thermal coefficient is low, thermal insulation
Can be good the features such as.
The side of the ceramic nozzle 1 is provided with protection device of air 7, protects the setting of device of air 7, can effectively prevent ceramics
The metal that nozzle 1 squeezes out is aoxidized, and ensure that the heated type 3D printer prints the quality of product, the protection device of air 7
Installation frame body 702 including ventilation pipe 701 and for fixing ventilation pipe 701, the setting of the installation frame body 702 are sprayed in ceramics
The side of mouth 1, the lower end of the bottom end alignment ceramic nozzle 1 of the ventilation pipe 701, ensures what 701 bottom end of ventilation pipe sprayed
Gas is protected, is just sprayed onto in the printed product of the ejection of ceramic nozzle 1, to effectively prevent heated type 3D printer printing production
The oxidation of product ensure that the quality of printed product.
Gas in the ventilation pipe 701 is nitrogen or neon, xenon, according to required printed product consumptive material
Material difference selects.
The ceramic nozzle 1 includes nozzle body 101 and nozzle 102, and the nozzle 102 is arranged in nozzle body 101
Lower end, and nozzle 102 is connect by threaded engagement mode with nozzle body 101, split type ceramic nozzle design so that nozzle
102 installation and removal operation is all very convenient, consequently facilitating the replacement operation of nozzle 102.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (10)
1. a kind of heated type 3D printer squeezes out nozzle, it is characterised in that：Including ceramic nozzle (1), heating device (2), feed
Device (3) and control mechanism (4), the control mechanism (4) include motor pulse-width controlled module (5) and temperature control modules (6),
The motor pulse-width controlled module (5) connect with feeding device (3), and the feeding device (3) is arranged in the upper of ceramic nozzle (1)
Side, and buffer volume (10) is vertically arranged between feeding device (3) and ceramic nozzle (1), under the buffer volume (10)
End is connect with ceramic nozzle (1), and the heating device (2) is arranged in buffer volume (10) and the outside of ceramic nozzle (1), adds
Temperature-detecting device (8) is provided in thermal (2), described temperature control modules (6) one end is connect with heating device (2), separately
One end is connect with temperature-detecting device (8).
2. a kind of heated type 3D printer according to claim 1 squeezes out nozzle, it is characterised in that：The feeding device
(3) include feed roller (301), the stepper drive motors (302) for controlling charging, for stepper drive motors (302) to be arranged
Fixed mounting plate (303) and the passage (304) that is vertically arranged, the feed roller (301) be arranged in the upper of passage (304)
Side, and the transmission axis connection of the drive shaft (305) and stepper drive motors (302) at feed roller (301) center, the stepping are driven
Dynamic motor (302) one end is connect with motor pulse-width controlled module (5), lower end and the buffer volume (10) of the passage (304)
Upper end connection.
3. a kind of heated type 3D printer according to claim 1 squeezes out nozzle, it is characterised in that：The heating device
(2) include heating aluminium sheet (201) and heat conductive silica gel adhesive layer (202), heating aluminium sheet (201) setting is in buffer volume (10)
With the outer surface of ceramic nozzle (1), heat conductive silica gel adhesive layer (202) setting is in heating aluminium sheet (201) and buffer volume
(10) between, between heating aluminium sheet (201) and ceramic nozzle (1), temperature-detecting device (8) setting is in heating aluminium sheet
(201) outer surface, heating aluminium sheet (201) one end are connect with temperature control modules (6).
4. a kind of heated type 3D printer according to claim 3 squeezes out nozzle, it is characterised in that：The temperature detection dress
It includes heat sensor (801) and the groove (802) for installing heat sensor (801) to set (8), and the groove (802) sets
It sets in heating aluminium sheet (201) close to one end of buffer volume (10), described heat sensor (801) one end and heating aluminium sheet (201)
Connection, the other end are connect with temperature control modules (6).
5. a kind of heated type 3D printer according to claim 2 squeezes out nozzle, it is characterised in that：The motor pulsewidth control
Molding block (5) is used for controlling the pulse width of stepper drive motors (302), and motor pulse-width controlled module (5) includes motor control
Circuit (501) and pulse width regulating circuit (502), described circuit for controlling motor (501) one end and stepper drive motors (302)
Connection, the other end connect with pulse width regulating circuit (502), and the pulse width regulating circuit (502) one end also with step
It is connected into driving motor (302).
6. a kind of heated type 3D printer according to claim 2 squeezes out nozzle, it is characterised in that：The buffer volume
(10) insulating assembly (9) is provided between passage (304), passage (304) lower end extends across insulating assembly (9)
To the inside of buffer volume (10).
7. a kind of heated type 3D printer according to claim 6 squeezes out nozzle, it is characterised in that：The insulating assembly
(9) include upper layer and lower layer vacuum insulation panel (901), be provided between vacuum insulation panel (901) described in upper layer and lower layer high temperature resistant every
Hot cotton layer (902).
8. a kind of heated type 3D printer according to claim 1 squeezes out nozzle, it is characterised in that：The ceramic nozzle
(1) side is provided with protection device of air (7), and the protection device of air (7) includes ventilation pipe (701) and ventilates for fixed
The installation frame body (702) of pipeline (701), the installation frame body (702) are arranged in the side of ceramic nozzle (1), the snorkel
The lower end of the bottom end alignment ceramic nozzle (1) in road (701).
9. a kind of heated type 3D printer according to claim 8 squeezes out nozzle, it is characterised in that：The ventilation pipe
(701) gas in is nitrogen or neon, xenon.
10. a kind of heated type 3D printer according to claim 1 squeezes out nozzle, it is characterised in that：The ceramic nozzle
(1) include nozzle body (101) and nozzle (102), nozzle (102) setting is in the lower end of nozzle body (101), and nozzle
(102) it is connect with nozzle body (101) by threaded engagement mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810410386.1A CN108621430A (en) | 2018-05-02 | 2018-05-02 | A kind of heated type 3D printer extrusion nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810410386.1A CN108621430A (en) | 2018-05-02 | 2018-05-02 | A kind of heated type 3D printer extrusion nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108621430A true CN108621430A (en) | 2018-10-09 |
Family
ID=63695275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810410386.1A Pending CN108621430A (en) | 2018-05-02 | 2018-05-02 | A kind of heated type 3D printer extrusion nozzle |
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| CN (1) | CN108621430A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109397468A (en) * | 2018-11-08 | 2019-03-01 | 苏州云植医学技术有限公司 | A kind of extruded type ceramics printing |
| CN111958972A (en) * | 2020-09-22 | 2020-11-20 | 北京信息职业技术学院 | 3D beats printer head and 3D printer |
| CN112077315A (en) * | 2020-09-10 | 2020-12-15 | 南昌工程学院 | 3D printer spray head protection device capable of printing high-temperature metal materials |
| CN114770935A (en) * | 2022-03-05 | 2022-07-22 | 南通理工学院 | Plastic extrusion device for 3D molding |
| CN117962315A (en) * | 2024-03-29 | 2024-05-03 | 极致创新智能科技(南通)有限公司 | Intelligent control system of 3D printing equipment |
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