CN203680811U - Feeding mechanism of 3D (three-dimensional) printer - Google Patents
Feeding mechanism of 3D (three-dimensional) printer Download PDFInfo
- Publication number
- CN203680811U CN203680811U CN201420035589.4U CN201420035589U CN203680811U CN 203680811 U CN203680811 U CN 203680811U CN 201420035589 U CN201420035589 U CN 201420035589U CN 203680811 U CN203680811 U CN 203680811U
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- China
- Prior art keywords
- smelting furnace
- feed mechanism
- nozzle
- feeding
- melting
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- Expired - Lifetime
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- 239000000463 material Substances 0.000 claims abstract description 48
- 238000002844 melting Methods 0.000 claims abstract description 39
- 230000008018 melting Effects 0.000 claims abstract description 39
- 238000003723 Smelting Methods 0.000 claims description 46
- 230000001939 inductive effect Effects 0.000 claims description 20
- 238000007599 discharging Methods 0.000 claims description 9
- 230000004308 accommodation Effects 0.000 claims description 4
- 230000005674 electromagnetic induction Effects 0.000 claims description 2
- 238000005507 spraying Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000010146 3D printing Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000004907 flux Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000000149 argon plasma sintering Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical group [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002937 thermal insulation foam Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
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Abstract
The utility model discloses a feeding mechanism of a 3D (three-dimensional) printer. The feeding mechanism comprises a feeding component used for conveying a material to be machined and a melting component used for melting the material to be machined, wherein the melting component comprises a melting furnace, a spraying nozzle and a sensing component used for heating the melting furnace; the spraying nozzle is fixedly connected with the melting furnace; the sensing component is arranged on the periphery of the melting furnace in a sleeving mnaner. The feeding mechanism of the 3D printer, disclosed by the utility model, is high in safety and wide in application range.
Description
Technical field
The utility model relates to 3D printing shaping technical field, is specifically related to the feed mechanism with a kind of 3D printer.
Background technology
3D printing technique is actually the general designation of a series of rapid prototyping forming techniques, its basic principle is all lamination manufacture, in X-Y plane, formed the cross sectional shape of workpiece by rapid prototyping machine by scanning form, and do discontinuously the displacement of slice thickness at Z coordinate, finally form three-dimensional product.Rapid shaping technique is in the market generally SL stereolithography techniques, SLS precinct laser sintering etc.
But the 3D goods in existing SLS precinct laser sintering technology are generally the form of powder sintered stack, therefore the nozzle of feed mechanism is conventionally easily stopped up by powdered substance and has an accident.And existing feed mechanism is had relatively high expectations to consumptive material, be therefore only applicable to some special material, the material that therefore can be applied to 3D printing is less, thereby causes its scope of application narrower.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of feed mechanism of rational in infrastructure, applied widely and safe 3D printer.
For achieving the above object, this practicality adopts following technical scheme:
A feed mechanism for 3D printer, comprising:
For delivery of the feeding material component of material to be processed;
Be used to material to be processed to carry out the melting assembly of melting;
Described melting assembly comprises smelting furnace, nozzle and is used to the inductive component of furnace heats; Described nozzle is fixedly connected with smelting furnace; Described inductive component is set in the periphery of described smelting furnace.
Preferably, described inside furnace offers an accommodating cavity; The upper end of smelting furnace offers a feeding mouth, and lower end offers a discharging opening; Described feeding mouth, discharging opening connect with accommodating cavity respectively.
Preferably, in described nozzle, offer a runner; This runner runs through the upper and lower surface of nozzle; Described runner and described accommodating cavity connect.
Preferably, described melting assembly also comprises a thermal resistance assembly; Described insulating assembly is arranged between described smelting furnace and inductive component.
Preferably, described insulating assembly inside offers an accommodation space for accommodating described smelting furnace.
Preferably, described melting assembly also comprises a cover plate, and described cover plate covers the upper end of described insulating assembly; On described cover plate, offer a through hole passing for confession material.
Preferably, described inductive component is electromagnetic induction coil.
Preferably, described smelting furnace is fixed on the upper end of described nozzle, and this smelting furnace and nozzle are one-body molded.
Preferably, described feeding material component comprises feeding rod, bearing and the motor for driving feeding rod to move; Fixing drawing-inroller and the first gear of being arranged with on described feeding rod; Between described drawing-inroller and described bearing, be formed with a feeding space.
Preferably, described melting assembly is medium-high frequency smelting furnace.
The beneficial effects of the utility model:
In sum, the feed mechanism of a kind of 3D printer of the present utility model by feeding material component by mass transport to be processed to smelting furnace, and produce high frequency flux by inductive component, thereby make smelting furnace produce predetermined amount of heat, realize material to be processed and in smelting furnace, carry out melting, and by nozzle, the material ejection of melting is carried out to 3D printing.Compared to prior art, the utility model is treated processing materials by melting assembly and is carried out spraying after melting again, thus the security that can effectively improve this feed mechanism.And the heating-up temperature that described smelting furnace produces can be set according to the characteristic of material to be processed, therefore can realize various materials are carried out realizing 3D printing after melting, therefore its scope of application is wider.
Accompanying drawing explanation
Fig. 1 is one of overall structure schematic diagram of the feed mechanism of a kind of 3D printer in embodiment of the present utility model;
Fig. 2 is the A portion enlarged drawing of Fig. 1;
Fig. 3 is the cutaway view of a kind of melting assembly in embodiment of the present utility model;
Fig. 4 be the feed mechanism of a kind of 3D printer in embodiment of the present utility model overall structure schematic diagram two.
In figure: 1, feeding material component; 10, feeding space; 11, feeding rod; 12, bearing; 120, groove; 13, motor; 14, drawing-inroller; 140, double wedge; 15, the first gear; 16, rotating shaft; 17, the second gear; 2, melting assembly; 21, smelting furnace; 210, accommodating cavity; 211, feeding mouth; 212, discharging opening; 213, the first space segment; 215, second space section; 22, nozzle; 220, runner; 23, inductive component; 25, insulating assembly; 26, cover plate; 260, through hole; 3, housing; 30, perforation; 31, fixed axis; 100, material.
The specific embodiment
Below, by reference to the accompanying drawings and the specific embodiment, the utility model is described further:
With reference to Fig. 1, the feed mechanism of a kind of 3D printer described in the present embodiment, comprises for delivery of the feeding material component 1 of material to be processed 100 and is used to material to be processed 100 to carry out the melting assembly 2 of melting.Described feeding material component 1 sets gradually along material 100 transmission directions of band processing with melting assembly 2.
Described feeding material component 1 comprises feeding rod 11, bearing 12 and the motor 13 for driving feeding rod 11 to move.Fixing drawing-inroller 14 and the first gear 15 of being arranged with on described feeding rod 11.
On described motor 13, be provided with rotating shaft 16 and the second gear 17.Described the second gear 17 fixing being set in described rotating shaft 16.Described the second gear 17 engages with described the first gear 15.As shown in Figure 2, between described drawing-inroller 14 and described bearing 12, be formed with a feeding space 10.On the outer surface of described drawing-inroller 14, interval convexes with some double wedges 140.
Described bearing 12 can be V-type bearing of the prior art or U-shaped bearing, and for example described in this, the outer surface of bearing 12 can be provided with an annular groove 120.
In conjunction with reference to Fig. 3, described melting assembly 2 comprises smelting furnace 21, nozzle 22 and the inductive component 23 that is used to smelting furnace 21 to heat.Described smelting furnace 21 inside offer an accommodating cavity 210.The upper end of smelting furnace 21 offers a feeding mouth 211.These smelting furnace 21 lower ends offer a discharging opening 212.Described feeding mouth 211, discharging opening 212 all connect with described accommodating cavity 210.Preferably, described accommodating cavity 210 comprises one first space segment 213 and a second space section 215.Described the first space segment 213 can be positioned at the top of second space section 215.This first space segment 213 can be cylindrical.Described second space section 215 can be truncated cone-shaped.Particularly, the diameter of this second space section 215 from top to bottom successively decreases successively.The less end of diameter of described second space section 215 is described discharging opening 212.So the second space section 215 of structure can guarantee that the fused materials 100 in smelting furnace 21 can be continuously in discharging opening 212 flow nozzles 22.
Described nozzle 22 is fixed on the lower end of smelting furnace 21.In this nozzle 22, offer a runner 220.This runner 220 runs through the upper and lower surface of nozzle 22.Institute's runner 220 connects with described accommodating cavity 210.Described inductive component 23 is looped around the periphery of described smelting furnace 21.Preferably, this nozzle 22 can be one-body molded with described smelting furnace 21.
As a preferred embodiment, described inductive component 23 can be the induction coil that conductive material is made, for example, can be hollow copper tubing and make etc.This inductive component 23 can produce flux after passing into high frequency low voltage electric current, thereby makes smelting furnace 21 produce heat, thereby by 100 meltings of the material in smelting furnace 21.
As a preferred embodiment, described inductive component 23 inside are provided with a cooling duct 24.This cooling duct 24 forms cooling circuit with the container of extraneous accommodating cooling agent.In described cooling duct 24, pass into cooling agent, can effectively take away 23 heats of inductive component, thereby improve security.And can also improve the service life of inductive component 23.
As a good embodiment, described melting assembly 2 can also comprise an insulating assembly 25.On described insulating assembly 25, have one for the accommodation space (figure is mark not) of described smelting furnace 21 is installed.This insulating assembly 25 is set in the periphery of described smelting furnace 21.On the periphery wall that is wrapped in described insulating assembly 25 that described inductive component 23 is fixed.The flux that described insulating assembly 25 can make inductive component 23 produce passes and transfers to described smelting furnace 21.This insulating assembly 25 can be used for preventing that heat that smelting furnace 21 produces is to extraneous radiation, thereby plays the effect of insulation, and can make the more uniform temperature of smelting furnace 21.Described insulating assembly 25 can be made up of the existing material such as cement, heat insulation foam.
As a good embodiment, described melting assembly 2 can also comprise a cover plate 26, and described cover plate 26 covers the upper end of described insulating assembly 25.On described cover plate 26, offer a through hole 260 passing for confession material 100.This cover plate 26 can be sealed to described smelting furnace 21 in described accommodation space.
Described melting assembly 2 can be medium-high frequency smelting furnace of the prior art.
As a good embodiment, in conjunction with reference to Fig. 4, the feed mechanism of 3D printer of the present utility model also comprises a housing 3.This housing 3 inner hollow and upper end open.Described feeding material component 1 is arranged on the inside of described housing 3.The lower surface of this housing 3 has a perforation 30.Described perforation 30 is alignd and is established with described feeding space 10.This perforation 30 can be used for passing for material 100 to be processed.The interior fixing fixed axis 31 that is provided with of this housing 3, described bearing 12 can be set on this fixed axis 31.Described melting assembly 2 is positioned at the below of this housing 3, and described feeding mouth 211 coaxially arranges with described perforation 30.
Operation principle of the present utility model:
Accessible domestic power supply starts described motor 13, drives described rotating shaft 16 and the second gear 17 to rotate by motor 13.The first gear 15 that these the second gear 17 transmissions are engaged with it rotates.These the first gear 15 transmission feeding rods 11 and the drawing-inroller 14 being fixed on feeding rod 11 rotate.In the time that material to be processed 100 passes from feeding space 10, the outer surface of described drawing-inroller 14 and bearing 12 all offsets with this material 100 to be processed, this material 100 to be processed is clamped and by frictional force, this material 100 to be processed is delivered to and in smelting furnace 21, carries out melting.Material 100 after melting can be sprayed by described nozzle 22, and carries out 3D printing.
Described double wedge 140 can effectively reduce the contact area of drawing-inroller 14 and material 100, thereby increases pressure between drawing-inroller 14 and material 100, improves the precision of material 100 transmission locus.
The heating-up temperature of described smelting furnace 21 can be set according to the characteristic of material 100, thereby material to be processed 100 is melted completely in smelting furnace 21, and successfully spray, and prevent nozzle 22 from the runner 220 of nozzle 22 and stop up, and there is higher security.And the requirement to material to be processed 100 is lower, can makes various materials 100 all can in the accommodating cavity of smelting furnace 21 210, carry out melting, thereby improve its scope of application.The power frequency that passes into described inductive component 23 can be controlled by the transformer of prior art.
The material 100 that can carry out melting by smelting furnace 21 at least comprises following several:
Tungsten: fusing point is 3410 ℃; Iron: fusing point is that 1535 ℃, boiling point are 2750 ℃; Steel: fusing point is 1515 ℃; Copper: fusing point is 1083 ℃; Gold: fusing point is 1064 ℃; Aluminium: fusing point is 660 ℃; Magnesium: fusing point is 648.8 ℃; Plumbous: fusing point is 328 ℃; Diamond: fusing point is 3550 ℃; Various cast iron: fusing point is 1200 ℃ of left and right; Silver: fusing point is 962 ℃; Fusing point is tin: 232 ℃.
To one skilled in the art, can be according to technical scheme described above and design, make other various corresponding changes and deformation, and within these all changes and deformation all should belong to the protection domain of the utility model claim.
Claims (10)
- The feed mechanism of 1.3D printer, is characterized in that, comprising:For delivery of the feeding material component of material to be processed;Be used to material to be processed to carry out the melting assembly of melting;Described melting assembly comprises smelting furnace, nozzle and is used to the inductive component of furnace heats; Described nozzle is fixedly connected with smelting furnace; Described inductive component is set in the periphery of described smelting furnace.
- 2. the feed mechanism of 3D printer according to claim 1, is characterized in that, described inside furnace offers an accommodating cavity; The upper end of smelting furnace offers a feeding mouth, and lower end offers a discharging opening; Described feeding mouth, discharging opening connect with accommodating cavity respectively.
- 3. the feed mechanism of 3D printer according to claim 2, is characterized in that, offers a runner in described nozzle; This runner runs through the upper and lower surface of nozzle; Described runner and described accommodating cavity connect.
- 4. the feed mechanism of 3D printer according to claim 1, is characterized in that, described melting assembly also comprises a thermal resistance assembly; Described insulating assembly is arranged between described smelting furnace and inductive component.
- 5. the feed mechanism of 3D printer according to claim 4, is characterized in that, described insulating assembly inside offers an accommodation space for accommodating described smelting furnace.
- 6. the feed mechanism of 3D printer according to claim 5, is characterized in that, described melting assembly also comprises a cover plate, and described cover plate covers the upper end of described insulating assembly; On described cover plate, offer a through hole passing for confession material.
- 7. the feed mechanism of 3D printer according to claim 1, is characterized in that, described inductive component is electromagnetic induction coil.
- 8. the feed mechanism of 3D printer according to claim 1, is characterized in that, described smelting furnace is fixed on the upper end of described nozzle, and this smelting furnace and nozzle are one-body molded.
- 9. the feed mechanism of 3D printer according to claim 1, is characterized in that, described feeding material component comprises feeding rod, bearing and the motor for driving feeding rod to move; Fixing drawing-inroller and the first gear of being arranged with on described feeding rod; Between described drawing-inroller and described bearing, be formed with a feeding space.
- 10. according to the feed mechanism of the 3D printer described in claim 1-9 any one, it is characterized in that, described melting assembly is medium-high frequency smelting furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420035589.4U CN203680811U (en) | 2014-01-20 | 2014-01-20 | Feeding mechanism of 3D (three-dimensional) printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420035589.4U CN203680811U (en) | 2014-01-20 | 2014-01-20 | Feeding mechanism of 3D (three-dimensional) printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203680811U true CN203680811U (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420035589.4U Expired - Lifetime CN203680811U (en) | 2014-01-20 | 2014-01-20 | Feeding mechanism of 3D (three-dimensional) printer |
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| CN (1) | CN203680811U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103786344A (en) * | 2014-01-20 | 2014-05-14 | 广州捷和电子科技有限公司 | Feed mechanism of 3D printer |
| CN104608527A (en) * | 2015-01-30 | 2015-05-13 | 江苏浩宇电子科技有限公司 | Wire feeding mechanism of 3D drawing pen |
| CN105216334A (en) * | 2015-11-17 | 2016-01-06 | 李乾勇 | A kind of induction heater, 3D printer extruder |
| CN106696269A (en) * | 2017-01-04 | 2017-05-24 | 深圳市玖品空气净化科技有限公司 | Multifunctional 3D printer nozzle |
| EP3442774B1 (en) | 2016-04-11 | 2022-06-08 | OMNI3D Sp. z o.o | Print head for three-dimensional printing and the print head assembly |
-
2014
- 2014-01-20 CN CN201420035589.4U patent/CN203680811U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103786344A (en) * | 2014-01-20 | 2014-05-14 | 广州捷和电子科技有限公司 | Feed mechanism of 3D printer |
| CN104608527A (en) * | 2015-01-30 | 2015-05-13 | 江苏浩宇电子科技有限公司 | Wire feeding mechanism of 3D drawing pen |
| CN105216334A (en) * | 2015-11-17 | 2016-01-06 | 李乾勇 | A kind of induction heater, 3D printer extruder |
| EP3442774B1 (en) | 2016-04-11 | 2022-06-08 | OMNI3D Sp. z o.o | Print head for three-dimensional printing and the print head assembly |
| CN106696269A (en) * | 2017-01-04 | 2017-05-24 | 深圳市玖品空气净化科技有限公司 | Multifunctional 3D printer nozzle |
| CN106696269B (en) * | 2017-01-04 | 2019-07-26 | 陕西恒通智能机器有限公司 | A kind of multi-functional 3D printer spray head |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |