CN104550958A - 3D metal printer nozzle - Google Patents
3D metal printer nozzle Download PDFInfo
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- CN104550958A CN104550958A CN201410792373.7A CN201410792373A CN104550958A CN 104550958 A CN104550958 A CN 104550958A CN 201410792373 A CN201410792373 A CN 201410792373A CN 104550958 A CN104550958 A CN 104550958A
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Abstract
The invention belongs to the technical field of material increase manufacturing and relates to a 3D metal printer nozzle which is characterized by comprising an inner core and a coating sleeve, wherein the coating sleeve sleeves the exterior of the inner core; the inner core comprises an inner core section I, an inner core section II and a load block; the load block is embedded into the periphery of the inner core section II; the coating sleeve comprises a coating sleeve section I, a coating sleeve section II, a cooling device and a heating device; the cooling device is arranged at the interior of the coating sleeve section I; the heating device is arranged at the interior of the coating sleeve section II. The 3D metal printer nozzle can be used for solving the problems that the metal spray deposition 3D printer nozzle based on a wire feeding manner is liable to block and wires are discontinuously extruded; the efficient formation of the 3D printing based on the wire feeding manner is implemented.
Description
Technical field
The present invention relates to and increase material manufacturing technology field, in particular to a kind of metal 3D printer head.
Background technology
3D printing technique is by CAD design data, and the method adopting material successively to add up manufactures the technology of entity component, relative to traditional Machining Technology for Cutting, is a kind of material addition manufacture method from bottom to top.Be usually used in prototype or the model manufacturing in the field such as Making mold, industrial design.The direct printing-forming of part has become the important method in quick manufacture field, and metal parts direct 3D printing technique is wherein most important developing direction.
The metal 3D printing technique of existing maturation mainly contains selective laser sintering (Selective Laser Sintering, SLS), precinct laser fusion (Selective Laser Melting, SLM), laser near-net-shape (Laser Engineering Net Shaping, and electron beam selective melting technology (Electron Beam Selective Melting LENS), EBSM) etc., although achieve more achievement both at home and abroad in relation technological researching and equipment development, but still it is low to there is forming efficiency, technology and equipment cost high, the problems such as machinable material is limited, only Aero-Space and military industry field have certain applications at present.The scale application of correlation technique and equipment is urgently to be resolved hurrily.
Based on the metal jet deposition 3D Method of printing of metal jet deposition technique and 3D Method of printing, directly metal material is carried out fusing by feed mechanism in nozzle and jet deposition on shaping base plate, by the Prototyping Metal Parts that successively adds up.Metalwork that is efficient, low cost can be realized directly print.Wherein printer head is core component.Metal current part 3D printer head structure, because nozzle arrangements material is single, the heat of fire end can be delivered to feeding end fast, cause the temperature of feeding end higher, metal wire material is softening too early in feeding end to be piled up, and wire feed cannot carry out continuously, affects forming efficiency.
Summary of the invention
The object of the invention is to pile up for metal wire material is softening too early in feeding end, the problem that wire feed cannot carry out continuously, provides a kind of metal 3D printer head.
For achieving the above object, the technical solution used in the present invention is: a kind of metal 3D printer head, comprise inner core and wrap, wrap is sheathed on inner core outside.
Further, described inner core is made up of inner core I section, inner core II section and load block, and wrap is made up of wrap I section, wrap II section, cooling device and heater.
Further, described inner core II section is positioned at the lower end of inner core I section.
Further, described inner core I section of material thermal conductivity is higher than inner core II section of material, and the heat that can effectively be produced by heater and the heat being transmitted to inner core II section are disseminated away by cooling device.
Further, described inner core II section of material and metal wellability poor, the molten metal of molten condition and inner core II section of phenomenon that sticks together can be prevented, avoid the generation of spray nozzle clogging phenomenon.
Further, the junction of described inner core I section and inner core II section adopts bank conjunction structure to coordinate, and has higher concentricity, ensure that metal wire material passes through smoothly when can ensure inner core I section and inner core II section assembling.
Further, described inner core II section of periphery is embedded with load block, and load block has higher magnetic conductivity and thickness and length all can regulate, can according to thermal source needed for the material that heats, and the mode adopting one or more load block to combine regulates.
Further, described inner core II pars infrasegmentalis nozzle molten metal exports position and adopts rounding frustum structure, can effectively reduce molten metal heat loss, and when ensureing that silk material sprays, temperature drop controls within the specific limits.
Further, described inner core II section of nozzle molten metal exports above position and is provided with one or more atmosphere protection passage, and the oxidizing gas that effectively can reduce ejection molten metal enters melt liquid, ensures the quality of final formed metal element.
Further, described wrap II section is positioned at the lower end of wrap I section.
Further, described wrap I intersegmental part is provided with cooling device, the type of cooling is circulating cooling, and the heat that can effectively be produced by heater and the heat being transmitted to inner core II section disseminate away fast, make metal wire material keep the continuous wire feed of the complete realization of physical state.
Further, described wrap II intersegmental part is provided with heater, and the mode of heating of heater is resistance heated or eddy-current heating, metal wire material can be quickly heated up to happy and harmonious state.
The invention solves that prior art energy consumption is high, shower nozzle easily blocks, silk material extrudes the technical problems such as difficulty.
Accompanying drawing explanation
Fig. 1 is a kind of metal 3D printer head structural representation in the specific embodiment of the invention.
In figure: 1, metal wire material, 2, wire feeder, 3, wrap I section, 4, cooling device, 5, heater, 6, wrap II section, 7, inner core I section, 8, load block, 9, inner core II section, 10, atmosphere protection passage.
Detailed description of the invention
A kind of metal 3D printer head as shown in Figure 1, it is inner that metal wire material 1 is clamp-oned inner core central through hole by metal wire material 1 under the driving of wire feeder 2, successively through inner core I section 7, inner core II section 9.When inner core I section 7, metal wire material 1 can be kept complete silk material form because being provided with cooling device 4.Metal wire material 1 continues through the inner core being provided with heater 5 and is rapidly heated to molten state for II section 9, is extruded and Action of Gravity Field makes metal wire material 1 by the ejection of nozzle bottom inner core by non-motlten metal silk material 1.
Below in conjunction with specific embodiment, the present invention is further described:
Embodiment 1
Described inner core I section of 7 material selection copper alloy, the heat effectively produced by heater 5 and the heat being transmitted to inner core II section 9 are well disseminated away by cooling device 4, avoid metal wire material to soften too early; Described inner core II section of 9 material selection graphite is made, graphite and metal wellability poor, the molten metal of molten condition and inner core II section of 9 phenomenon that sticks together can be prevented, avoid the generation of spray nozzle clogging phenomenon.Described load block 8 selects the metal alloy compositions with high magnetic conductivity, and wrap II section of 6 inner heater 5 arranged can be coordinated to heat; The mode of heating of described heater 5 is eddy-current heating.Described metal wire material 1 material selection kirsite.
A kind of metal 3D printer head as shown in Figure 1, it is inner that first metal wire material 1 kirsite is squeezed into inner core central through hole under the driving of wire feeder 2, then the inner core made by copper alloy I section 7, continue through cooling device 4 and inner core II section 9, metal wire material 1 keeps complete silk material form, until enter into the inner core II section 9 being embedded with load block 8, molten state is rapidly heated to when heater 5 by eddy-current heating of inner core II section 9, under by circulating cooling to the extruding and Action of Gravity Field of non-melting solid metallic silk material 1, zinc alloy metal silk material 1 is sprayed by the nozzle bottom inner core.
Embodiment 2
Described inner core I section of 7 material selection stainless steel, the heat effectively produced by heater 5 and the heat being transmitted to inner core II section 9 are well disseminated in air by cooling device 4, avoid metal wire material to soften too early; Described inner core II section of 9 material selection glass is made, glass and metal wellability poor, the molten metal of molten condition and inner core II section of 9 phenomenon that sticks together can be prevented, avoid the generation of spray nozzle clogging phenomenon.Described load block 8 selects the metal alloy compositions with high magnetic conductivity, and wrap II section of 6 inner heater 5 arranged can be coordinated to heat; The mode of heating of described heater 5 is resistance heated.Described metal wire material 1 material selection aluminium alloy.
A kind of metal 3D printer head as shown in Figure 1, it is inner that first metal wire material 1 kirsite is squeezed into inner core central through hole under the driving of wire feeder 2, then the inner core made by stainless steel I section 7, continue through cooling device 4 and inner core II section 9, metal wire material 1 keeps complete silk material form, until enter into the inner core II section 9 being embedded with load block 8, molten state is rapidly heated to when heater 5 by eddy-current heating of inner core II section 9, under circulating cooling to the extruding and Action of Gravity Field of the solid metallic silk material 1 of non-melting, Al-alloy metal silk material 1 is being sprayed by the nozzle bottom inner core.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a metal 3D printer head, is characterized in that: comprise inner core and wrap, and wrap is sheathed on inner core outside; Inner core is made up of inner core I section (7), inner core II section (9) and load block (8); Wrap is made up of wrap I section (3), wrap II section (6), cooling device (4) and heater (5).
2. a kind of metal 3D printer head according to claim 1, it is characterized in that, described inner core II section (9) is positioned at the lower end of inner core I section (7), inner core I section of (7) material thermal conductivity higher than inner core II section of (9) material, inner core II section of (9) material and metal wellability poor.
3. a kind of metal 3D printer head according to claim 1, is characterized in that, the junction of described inner core I section (7) and inner core II section (9) adopts bank conjunction structure to coordinate.
4. a kind of metal 3D printer head according to claim 1, is characterized in that, described inner core II section of (9) upper periphery is embedded with one or more load block (8), and load block (8) has higher magnetic conductivity and thickness and length all can regulate.
5. a kind of metal 3D printer head according to claim 1, is characterized in that, described inner core II section of (9) lower end nozzle molten metal exports position and adopt rounding frustum structure.
6. a kind of metal 3D printer head according to claim 1, is characterized in that, described inner core II section of (9) nozzle molten metal exports above position and be provided with one or more atmosphere protection passage (10).
7. a kind of metal 3D printer head according to claim 1, it is characterized in that, described wrap II section (6) is positioned at the lower end of wrap I section (3).
8. a kind of metal 3D printer head according to claim 1, is characterized in that, described wrap I section of (3) inside is provided with cooling device (4), and the type of cooling is circulating cooling.
9. a kind of metal 3D printer head according to claim 1, is characterized in that, described wrap II section of (6) inside is provided with heater (5), and the mode of heating of heater (5) is resistance heated or eddy-current heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410792373.7A CN104550958B (en) | 2014-12-19 | 2014-12-19 | A kind of metal 3D printer nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410792373.7A CN104550958B (en) | 2014-12-19 | 2014-12-19 | A kind of metal 3D printer nozzle |
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| CN104550958A true CN104550958A (en) | 2015-04-29 |
| CN104550958B CN104550958B (en) | 2018-09-28 |
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| CN201410792373.7A Expired - Fee Related CN104550958B (en) | 2014-12-19 | 2014-12-19 | A kind of metal 3D printer nozzle |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104972661A (en) * | 2015-06-30 | 2015-10-14 | 成都思维智造科技有限公司 | 3D printer nozzle |
| CN105108145A (en) * | 2015-08-25 | 2015-12-02 | 国家电网公司 | Sprayer for micro coating of molten metal |
| CN105499572A (en) * | 2016-01-05 | 2016-04-20 | 哈尔滨工程大学 | Extrusion spraying head of electromagnetic induction heating type 3D printer |
| CN105750548A (en) * | 2015-10-29 | 2016-07-13 | 西安智熔金属打印系统有限公司 | Electron beam metal jet additive manufacturing apparatus and electron beam metal spray additive manufacturing method |
| CN106392076A (en) * | 2016-06-21 | 2017-02-15 | 中国科学院宁波材料技术与工程研究所 | 3D printing system and print head device thereof |
| CN106623939A (en) * | 2016-12-20 | 2017-05-10 | 北京工业大学 | Method for forming metal wire through resistance and electromagnetic induction composite heating |
| CN106914621A (en) * | 2017-03-22 | 2017-07-04 | 江苏理工学院 | The method that increases material manufacturing technology prepares aluminum alloy dual-metal composite |
| CN107127969A (en) * | 2017-05-10 | 2017-09-05 | 合肥开目管理咨询合伙企业(有限合伙) | A kind of 3D printer nozzle and preparation method thereof |
| CN107263453A (en) * | 2017-08-09 | 2017-10-20 | 成都航空职业技术学院 | A kind of multi-functional five shaft mechanicals arm work station |
| CN107848033A (en) * | 2015-07-23 | 2018-03-27 | 赵庆 | Metal alloying metal silk three-dimensional printer |
| CN108380881A (en) * | 2018-05-09 | 2018-08-10 | 南方科技大学 | A kind of 3D printer and 3D printing method of composite heating |
| WO2020132283A1 (en) * | 2018-12-20 | 2020-06-25 | Jabil Inc. | Apparatus, system and method of operating an additive manufacturing nozzle |
| CN111940732A (en) * | 2020-07-11 | 2020-11-17 | 西北工业大学 | Uniform droplet/polymer space circuit combined printing device and method |
| CN112122612A (en) * | 2020-09-27 | 2020-12-25 | 芜湖英罗智能制造有限公司 | Screw rod is extruded formula electromagnetism heating device for 3D printer |
| CN112658286A (en) * | 2020-12-02 | 2021-04-16 | 北京石油化工学院 | Melting extrusion nozzle for 3D printing of metal |
| CN113715324A (en) * | 2021-08-27 | 2021-11-30 | 中国空间技术研究院 | 3D printer made of metal and nonmetal composite material and printing method thereof |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104972661A (en) * | 2015-06-30 | 2015-10-14 | 成都思维智造科技有限公司 | 3D printer nozzle |
| CN107848033B (en) * | 2015-07-23 | 2019-12-17 | 赵庆一 | Three-dimensional printer for metal alloy metal wire |
| CN107848033A (en) * | 2015-07-23 | 2018-03-27 | 赵庆 | Metal alloying metal silk three-dimensional printer |
| CN105108145A (en) * | 2015-08-25 | 2015-12-02 | 国家电网公司 | Sprayer for micro coating of molten metal |
| CN105750548A (en) * | 2015-10-29 | 2016-07-13 | 西安智熔金属打印系统有限公司 | Electron beam metal jet additive manufacturing apparatus and electron beam metal spray additive manufacturing method |
| CN105499572B (en) * | 2016-01-05 | 2018-01-19 | 哈尔滨工程大学 | A kind of electromagnetic induction heating type 3D printer extrudes shower nozzle |
| CN105499572A (en) * | 2016-01-05 | 2016-04-20 | 哈尔滨工程大学 | Extrusion spraying head of electromagnetic induction heating type 3D printer |
| CN106392076A (en) * | 2016-06-21 | 2017-02-15 | 中国科学院宁波材料技术与工程研究所 | 3D printing system and print head device thereof |
| CN106623939A (en) * | 2016-12-20 | 2017-05-10 | 北京工业大学 | Method for forming metal wire through resistance and electromagnetic induction composite heating |
| CN106623939B (en) * | 2016-12-20 | 2019-05-17 | 北京工业大学 | A kind of resistance electromagnetic induction composite heating metal wire material manufacturing process |
| CN106914621A (en) * | 2017-03-22 | 2017-07-04 | 江苏理工学院 | The method that increases material manufacturing technology prepares aluminum alloy dual-metal composite |
| CN107127969A (en) * | 2017-05-10 | 2017-09-05 | 合肥开目管理咨询合伙企业(有限合伙) | A kind of 3D printer nozzle and preparation method thereof |
| CN107263453A (en) * | 2017-08-09 | 2017-10-20 | 成都航空职业技术学院 | A kind of multi-functional five shaft mechanicals arm work station |
| CN108380881A (en) * | 2018-05-09 | 2018-08-10 | 南方科技大学 | A kind of 3D printer and 3D printing method of composite heating |
| CN108380881B (en) * | 2018-05-09 | 2024-03-19 | 南方科技大学 | Composite heating 3D printer and 3D printing method |
| WO2020132283A1 (en) * | 2018-12-20 | 2020-06-25 | Jabil Inc. | Apparatus, system and method of operating an additive manufacturing nozzle |
| CN113518702A (en) * | 2018-12-20 | 2021-10-19 | 捷普有限公司 | Apparatus, system, and method of operating an additive manufacturing nozzle |
| CN111940732A (en) * | 2020-07-11 | 2020-11-17 | 西北工业大学 | Uniform droplet/polymer space circuit combined printing device and method |
| CN112122612A (en) * | 2020-09-27 | 2020-12-25 | 芜湖英罗智能制造有限公司 | Screw rod is extruded formula electromagnetism heating device for 3D printer |
| CN112658286A (en) * | 2020-12-02 | 2021-04-16 | 北京石油化工学院 | Melting extrusion nozzle for 3D printing of metal |
| CN113715324A (en) * | 2021-08-27 | 2021-11-30 | 中国空间技术研究院 | 3D printer made of metal and nonmetal composite material and printing method thereof |
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