CN103786344B - The feed mechanism of 3D printer - Google Patents
The feed mechanism of 3D printer Download PDFInfo
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- CN103786344B CN103786344B CN201410026141.0A CN201410026141A CN103786344B CN 103786344 B CN103786344 B CN 103786344B CN 201410026141 A CN201410026141 A CN 201410026141A CN 103786344 B CN103786344 B CN 103786344B
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- smelting furnace
- feed mechanism
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- nozzle
- feeding
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Abstract
The present invention discloses a kind of feed mechanism of 3D printer, including：Feeding material component for conveying material to be processed；For the melting component melted for material to be processed；The melting component includes smelting furnace, nozzle and for the inductive component for furnace heats；The nozzle is fixedly connected with smelting furnace；The inductive component is set in the periphery of the smelting furnace.The feed mechanism of 3D printer of the invention it is safe, and the scope of application is wide.
Description
Technical field
The present invention relates to 3D printing field shaping technique, and in particular to a kind of feed mechanism of 3D printer.
Background technology
3D printing technique is actually a series of general designation of rapid prototyping forming techniques, and its general principle is all lamination system
Make, the cross sectional shape of workpiece is formed by scanning form in X-Y plane by rapid prototyping machine, and discontinuously make layer in Z coordinate
The displacement of face thickness, ultimately forms three dimensional articles.Rapid shaping technique in the market is usually SL stereolithography skills
Art, SLS precinct laser sinterings etc..
But the 3D products in existing SLS precinct laser sinterings technology are usually the form of powder sintered superposition, therefore
The nozzle of feed mechanism is typically easy to be blocked and had an accident by powdered substance.And existing feed mechanism is to consumptive material
It is required that it is higher, therefore some special materials are only applicable to, the material therefore, it is possible to be applied to 3D printing is less, so as to cause it
The scope of application is narrower.
The content of the invention
In view of the shortcomings of the prior art, it is rational in infrastructure, applied widely and safe it is an object of the invention to provide one kind
The feed mechanism of property 3D printer high.
To achieve the above object, this practicality is adopted the following technical scheme that：
A kind of feed mechanism of 3D printer, including：
Feeding material component for conveying material to be processed；
For the melting component melted for material to be processed；
The melting component includes smelting furnace, nozzle and for the inductive component for furnace heats；The nozzle is consolidated with smelting furnace
Fixed connection；The inductive component is set in the periphery of the smelting furnace.
Preferably, the inside furnace offers an accommodating cavity；The upper end of smelting furnace offers a feeding mouth, and lower end offers
One discharging opening；The feeding mouth, discharging opening respectively with accommodating cavity insertion.
Preferably, a runner is offered in the nozzle；Upper and lower surface of the runner through nozzle；The runner with it is described
Accommodating cavity insertion.
Preferably, the melting component also includes a thermal resistance component；The insulating assembly is arranged on the smelting furnace with sensing
Between component.
Preferably, one is offered inside the insulating assembly is used to house the accommodation space of the smelting furnace.
Preferably, the melting component also includes a cover plate, and the cover plate is covered in the upper end of the insulating assembly；It is described
Offered on cover plate one for supply the through hole that passes through of material.
Preferably, the inductive component is electromagnetic induction coil.
Preferably, the smelting furnace is fixed on the upper end of the nozzle, and the smelting furnace is integrally formed with nozzle.
Preferably, the feeding material component includes feeding rod, bearing and the motor for driving feeding rod to move；The feeding
That is fixed on bar is arranged with drawing-inroller and first gear；A feeding space is formed between the drawing-inroller and the bearing.
Preferably, the melting component is medium-high frequency smelting furnace.
Beneficial effects of the present invention：
In sum, a kind of feed mechanism of 3D printer of the invention is conveyed material to be processed by feeding material component
To smelting furnace, and high frequency flux is produced by inductive component, so that smelting furnace produces predetermined amount of heat, realize material to be processed
Melted in smelting furnace, and the material ejection of melting is carried out by 3D printing by nozzle.Compared to prior art, the present invention is logical
Cross melting component and treat after processing materials are melted and spray again, such that it is able to effectively improve the safety of the feed mechanism
Property.And, the heating-up temperature that the smelting furnace is produced can be set according to the characteristic of material to be processed, therefore can be realized to various
Material realizes 3D printing after being melted, therefore its scope of application is wider.
Brief description of the drawings
Fig. 1 is one of a kind of overall structure diagram of feed mechanism of 3D printer in embodiments of the invention；
Fig. 2 is the A portions enlarged drawing of Fig. 1；
Fig. 3 is a kind of sectional view for melting component in embodiments of the invention；
Fig. 4 is two of a kind of overall structure diagram of the feed mechanism of 3D printer in embodiments of the invention.
In figure：1st, feeding material component；10th, feeding space；11st, feeding rod；12nd, bearing；120th, groove；13rd, motor；14th, send
Material wheel；140th, double wedge；15th, first gear；16th, rotating shaft；17th, second gear；2nd, component is melted；21st, smelting furnace；210th, accommodating cavity；
211st, feeding mouth；212nd, discharging opening；213rd, the first space segment；215th, second space section；22nd, nozzle；220th, runner；23rd, sense
Component；25th, insulating assembly；26th, cover plate；260th, through hole；3rd, housing；30th, perforate；31st, fixing axle；100th, material.
Specific embodiment
Below, with reference to accompanying drawing and specific embodiment, the present invention is described further：
Reference picture 1, a kind of feed mechanism of the 3D printer described in the present embodiment, including for conveying material to be processed
100 feeding material component 1 and the melting component 2 for being melted for material 100 to be processed.The feeding material component 1 and melting
Component 2 sets gradually along the transmission direction of material 100 that band is processed.
The feeding material component 1 includes feeding rod 11, bearing 12 and the motor 13 for driving feeding rod 11 to move.It is described to send
That is fixed on material bar 11 is arranged with drawing-inroller 14 and first gear 15.
Rotating shaft 16 and second gear 17 are provided with the motor 13.What the second gear 17 was fixed is set in described turning
On axle 16.The second gear 17 is engaged with the first gear 15.As shown in Fig. 2 the drawing-inroller 14 and the bearing 12
Between be formed with a feeding space 10.What is be spaced on the outer surface of the drawing-inroller 14 is convexly equipped with some double wedges 140.
The bearing 12 can be V-type bearing of the prior art or U-shaped bearing, such as outer surface of the bearing 12
An annular groove 120 can be provided with.
With reference to reference picture 3, the melting component 2 includes smelting furnace 21, nozzle 22 and the sense group for being heated for smelting furnace 21
Part 23.An accommodating cavity 210 is offered inside the smelting furnace 21.The upper end of smelting furnace 21 offers a feeding mouth 211.Under the smelting furnace 21
End offers a discharging opening 212.The feeding mouth 211, discharging opening 212 with the insertion of the accommodating cavity 210.Preferably, it is described
Accommodating cavity 210 includes one first space segment 213 and second space section 215.First space segment 213 can be located at second space
The top of section 215.First space segment 213 can be in cylinder.The second space section 215 can be in truncated cone-shaped.Specifically,
The diameter of second space section 215 from top to bottom successively decreases successively.The less end of diameter of the second space section 215 is described
Discharging opening 212.The second space section 215 of such structure can ensure that the fused materials 100 in smelting furnace 21 can continuously from discharging
In 212 flow nozzles 22 of mouth.
The nozzle 22 is fixed on the lower end of smelting furnace 21.A runner 220 is offered in the nozzle 22.The runner 220 runs through
The upper and lower surface of nozzle 22.Institute's runner 220 and the insertion of the accommodating cavity 210.The inductive component 23 is looped around the smelting furnace 21
Periphery.Preferably, the nozzle 22 can be integrally formed with the smelting furnace 21.
Used as a preferred embodiment, the induction coil that the inductive component 23 can be made for conductive material for example can be
Hollow copper tubing is made.The inductive component 23 can produce flux after being passed through high frequency low voltage electric current, so that smelting furnace 21 produces heat
Amount, so as to the material 100 in smelting furnace 21 be melted.
As a preferred embodiment, a cooling duct 24 is provided with inside the inductive component 23.The cooling duct 24 and the external world
The container of accommodating cooling agent forms cooling circuit.Cooling agent is passed through in the cooling duct 24, inductive component can be effectively taken away
23 heats, so as to improve security.And the service life of inductive component 23 can also be improved.
Used as a preferable embodiment, the melting component 2 can also include an insulating assembly 25.The insulating assembly
One is provided with 25 is used to install the accommodation space of the smelting furnace 21（Figure is not marked）.The insulating assembly 25 is set in the smelting furnace 21
Periphery.What the inductive component 23 was fixed is wrapped on the periphery wall of the insulating assembly 25.The insulating assembly 25 may be such that
The flux that inductive component 23 is produced is passed through and transmitted to the smelting furnace 21.The insulating assembly 25 can be used to prevent what smelting furnace 21 from producing
Heat is outwardly radiated, and so as to play a part of insulation, and can cause the more uniform temperature of smelting furnace 21.The insulating assembly 25 can
It is made up of the existing material such as cement, heat insulation foam.
Used as a preferable embodiment, the melting component 2 can also include a cover plate 26, and the cover plate 26 is covered in
The upper end of the insulating assembly 25.Offered on the cover plate 26 one for supply the through hole 260 that passes through of material 100.The cover plate 26
The smelting furnace 21 can be sealed to the accommodation space.
The melting component 2 can be medium-high frequency smelting furnace of the prior art.
Used as a preferable embodiment, with reference to reference picture 4, the feed mechanism of 3D printer of the invention also includes a shell
Body 3.The inner hollow of housing 3 and upper end open.The feeding material component 1 is arranged on the inside of the housing 3.Under the housing 3
Surface is provided with a perforation 30.The perforation 30 is alignd with the feeding space 10 and is set.The perforation 30 can be used for for thing to be processed
Material 100 is passed through.That is fixed in the housing 3 is provided with a fixing axle 31, and the bearing 12 can be set in the fixing axle 31.It is described
Melting component 2 is located at the lower section of the housing 3, and the feeding mouth 211 is coaxially disposed with the perforation 30.
Operation principle of the invention：
Accessible domestic power supply starts the motor 13, by motor 13 drives 17 turns of the rotating shaft 16 and second gear
It is dynamic.The first gear 15 that the second gear 17 transmission is engaged is rotated.The first gear 15 is driven feeding rod 11 and is fixed on
Drawing-inroller 14 on feeding rod 11 is rotated.When material 100 to be processed from feeding space 10 through when, the drawing-inroller 14 and axle
The outer surface material 100 to be processed with this for holding 12 offsets, and the material 100 to be processed is clamped and should by frictional force
Material 100 to be processed is delivered in smelting furnace 21 and is melted.Material 100 after melting can be sprayed by the nozzle 22, be gone forward side by side
Row 3D printing.
The double wedge 140 can effectively reduce the contact area of drawing-inroller 14 and material 100, thus increase drawing-inroller 14 with
Pressure between material 100, improves the precision of the transmission locus of material 100.
The heating-up temperature of the smelting furnace 21 can be set according to the characteristic of material 100, so that material to be processed
100 are melted in the smelting furnace 21 completely, and successfully spray from the runner 220 of nozzle 22, and prevent nozzle 22 from blocking, and
With security higher.And requirement to material 100 to be processed is relatively low, you can to cause that various materials 100 can be molten
Melted in the accommodating cavity 210 of stove 21, so as to improve its scope of application.The power frequency for being passed through the inductive component 23 can
It is controlled by the transformer of prior art.
The material 100 that can be melted by smelting furnace 21 at least includes following several：
Tungsten：Fusing point is 3410 DEG C；Iron：Fusing point is 1535 DEG C, boiling point is 2750 DEG C；Steel：Fusing point is 1515 DEG C；Copper：Fusing point
It is 1083 DEG C；Gold：Fusing point is 1064 DEG C；Aluminium：Fusing point is 660 DEG C；Magnesium：Fusing point is 648.8 DEG C；Lead：Fusing point is 328 DEG C；Buddha's warrior attendant
Stone：Fusing point is 3550 DEG C；Various cast irons：Fusing point is 1200 DEG C or so；Silver：Fusing point is 962 DEG C；Fusing point is tin:232℃.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
It is corresponding to change and deformation, and all these change and deformation should all belong to the protection domain of the claims in the present invention
Within.
Claims (9)
- The feed mechanism of 1.3D printers, it is characterised in that including：Feeding material component for conveying material to be processed；For the melting component melted for material to be processed；The melting component includes smelting furnace, nozzle and for the inductive component for furnace heats；The nozzle is fixed with smelting furnace and connected Connect；The inductive component is set in the periphery of the smelting furnace；The inside furnace offers an accommodating cavity；The upper end of smelting furnace offers a feeding mouth, and lower end offers a discharging opening；Institute State feeding mouth, discharging opening respectively with accommodating cavity insertion；The accommodating cavity includes one first space segment and second space section；It is described First space segment is located at the top of second space section；The diameter of second space section from top to bottom successively decreases successively；Described second is empty Between section the less end of diameter be the discharging opening.
- 2. the feed mechanism of 3D printer according to claim 1, it is characterised in that offer one stream in the nozzle Road；Upper and lower surface of the runner through nozzle；The runner and the accommodating cavity insertion.
- 3. the feed mechanism of 3D printer according to claim 1, it is characterised in that the melting component also include one every Hot component；The insulating assembly is arranged between the smelting furnace and inductive component.
- 4. the feed mechanism of 3D printer according to claim 3, it is characterised in that offered inside the insulating assembly One accommodation space for being used to house the smelting furnace.
- 5. the feed mechanism of 3D printer according to claim 4, it is characterised in that the melting component also includes a lid Plate, the cover plate is covered in the upper end of the insulating assembly；Offered on the cover plate one for supply the through hole that passes through of material.
- 6. the feed mechanism of 3D printer according to claim 1, it is characterised in that the inductive component is electromagnetic induction Coil.
- 7. the feed mechanism of 3D printer according to claim 1, it is characterised in that the smelting furnace is fixed on the nozzle Upper end, the smelting furnace is integrally formed with nozzle.
- 8. the feed mechanism of 3D printer according to claim 1, it is characterised in that the feeding material component includes feeding Bar, bearing and the motor for driving feeding rod to move；That is fixed on the feeding rod is arranged with drawing-inroller and first gear；Institute State and a feeding space is formed between drawing-inroller and the bearing.
- 9. the feed mechanism of the 3D printer according to claim any one of 1-8, it is characterised in that the melting component is Medium-high frequency smelting furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410026141.0A CN103786344B (en) | 2014-01-20 | 2014-01-20 | The feed mechanism of 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410026141.0A CN103786344B (en) | 2014-01-20 | 2014-01-20 | The feed mechanism of 3D printer |
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| CN103786344A CN103786344A (en) | 2014-05-14 |
| CN103786344B true CN103786344B (en) | 2017-05-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019109114A1 (en) * | 2017-12-05 | 2019-06-13 | Schreiner Konrad | Printhead for the layer-by-layer application of material |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2014044B9 (en) * | 2014-12-23 | 2017-03-29 | Bond High Performance 3D Tech B V | Deposition print head. |
| WO2016123753A1 (en) * | 2015-02-04 | 2016-08-11 | 英华达（上海）科技有限公司 | Three-dimensional printer and control method |
| CN104720087B (en) * | 2015-03-19 | 2017-07-11 | 杭州铭展网络科技有限公司 | The continuous feeding system and implementation method of viscous state material 3D printer |
| CN106703412B (en) * | 2015-07-13 | 2019-04-26 | 马义和 | A kind of building element 3D printing spray head including vibrating head |
| JP2018525522A (en) * | 2015-07-23 | 2018-09-06 | チョ, キュンギルCHO, Kyungil | 3D printer for metal alloy filament |
| KR101764058B1 (en) | 2015-07-23 | 2017-08-14 | 조경일 | Metal filament for 3D printer |
| CN105216334A (en) * | 2015-11-17 | 2016-01-06 | 李乾勇 | A kind of induction heater, 3D printer extruder |
| CN105817625A (en) * | 2016-05-19 | 2016-08-03 | 西安交通大学 | Composite forming device of molten coating added and decreased materials |
| FR3067637B1 (en) * | 2017-06-14 | 2020-08-14 | Xtreee | CEMENT CORD EXTRUSION SYSTEM FOR ADDITIVE MANUFACTURING ROBOT OF ARCHITECTURAL STRUCTURES |
| KR20190042434A (en) | 2017-10-15 | 2019-04-24 | 조경일 | Fdm type 3d printer nozzle device |
| CN112440466B (en) * | 2019-08-15 | 2022-11-22 | 中国科学院化学研究所 | Rapid forming device for ultrahigh molecular weight polymer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105062A (en) * | 2011-11-10 | 2013-05-15 | 陈新华 | High frequency inductive aluminum melting furnace used for aluminum die-casting |
| CN103341626A (en) * | 2013-06-08 | 2013-10-09 | 王奉瑾 | Casting type 3D printer |
| CN203344320U (en) * | 2013-06-19 | 2013-12-18 | 广州捷和电子科技有限公司 | Jet head transmission mechanism of 3D printer and 3D printer with mechanism |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103134316A (en) * | 2011-11-25 | 2013-06-05 | 王亦强 | Medium-frequency induction furnace |
| CN203680811U (en) * | 2014-01-20 | 2014-07-02 | 广州捷和电子科技有限公司 | Feeding mechanism of 3D (three-dimensional) printer |
-
2014
- 2014-01-20 CN CN201410026141.0A patent/CN103786344B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105062A (en) * | 2011-11-10 | 2013-05-15 | 陈新华 | High frequency inductive aluminum melting furnace used for aluminum die-casting |
| CN103341626A (en) * | 2013-06-08 | 2013-10-09 | 王奉瑾 | Casting type 3D printer |
| CN203344320U (en) * | 2013-06-19 | 2013-12-18 | 广州捷和电子科技有限公司 | Jet head transmission mechanism of 3D printer and 3D printer with mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019109114A1 (en) * | 2017-12-05 | 2019-06-13 | Schreiner Konrad | Printhead for the layer-by-layer application of material |
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| CN103786344A (en) | 2014-05-14 |
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