CN104338933B - A kind of 3D printhead for metal melting extrusion molding - Google Patents

A kind of 3D printhead for metal melting extrusion molding Download PDF

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Publication number
CN104338933B
CN104338933B CN201410513433.7A CN201410513433A CN104338933B CN 104338933 B CN104338933 B CN 104338933B CN 201410513433 A CN201410513433 A CN 201410513433A CN 104338933 B CN104338933 B CN 104338933B
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metal
crucible
raw
printhead
electromagnetic induction
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CN104338933A (en
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王国玉
范树迁
纪丽娜
段宣明
杨毓杰
陈勇
王林志
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Chongqing Institute of Green and Intelligent Technology of CAS
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Chongqing Institute of Green and Intelligent Technology of CAS
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Abstract

The invention discloses a kind of 3D printhead for metal melting extrusion molding, comprise housing, material channel, heating system, cooling system and temperature control system, described material channel comprises feed(raw material)inlet, transfer roller, strip hollow crucible, material outlet and is positioned at the thermal insulation ring at material outlet place; Described crucible is outside is coated with thermal shield near material outlet end, described heating system comprises the electromagnetic induction coil and the electromagnetic induction power supply that are set between thermal shield and crucible, described cooling system comprises and is set in water collar and the apparatus for supplying cool water of crucible near end outside, feed(raw material)inlet, and described temperature control system comprises the sensor, data analysis module of temperature, for regulating the PLC control module of electromagnetic induction line coil power and/or cooling water flow. 3D printhead of the present invention, can complete the heating and melting of raw metal fast, solved ordinary metallic material and cannot melt extrude the problem of moulding.

Description

A kind of 3D printhead for metal melting extrusion molding
Technical field
The invention belongs to three-dimensional manufacturing technology field, relate to metal melting extrusion technology, particularly a kind of for Metal MeltingMelt the 3D printhead of extrusion molding.
Background technology
From producing so far more than 20 year, three-dimensional printing technology is developed rapidly. Press printed material classification, 3 D-printing can divideFor metal, nonmetal, ceramic material, composite and biomaterial printing technique; Press molding mode classification, 3 D-printing canBe divided into sintered powder technique (SLS), powder melts technology (SLM), Laser Near forming technique (LENS) and extrude moltenMelt technology (FDM).
Metal material fusing point is higher, is all generally the mode of selecting high energy beam sintering/fusingization, for example SLM, LENS and EBMTechnology; Material shape is granularity from the spherical powder of 10 microns to 100 microns. Spherical powder need be through specific process such as plasma nodularizationsProcess, cause cost of material significantly to promote; And, taking the high energy beam such as electron beam, laser beam as basic forming technique, due toThe laser system of using and electron beam system are expensive and complicated, cause that global formation cost is high and shaping efficiency is low, have hindered goldBelong to the extensive popularization of material rapid shaping technique.
FDM technology material used is generally a material or band, and the cost of raw material is cheap; And FDM technology in-house facility costAlso lower, thus make the holistic cost of FDM technology cheap, and shaping efficiency is high. But the power output of FDM equipment is limited,Mostly to be used on the rapid shaping of plastic material at present. Therefore, if the inefficient high advantage of the comprehensive FDM cost of energy, andThe advantage of metal material excellent performance, will greatly promote the extensive popularization of rapid shaping technique, changes the system of metal current partsMake mode.
3D printhead is the core component that 3D prints, but up to the present, there is not yet the 3D extruding about metal melting and printThe design report of head.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of 3D printhead for metal melting extrusion molding, thereby realizeMetal melting is extruded 3D printing shaping.
For achieving the above object, the invention provides following technical scheme:
For a 3D printhead for metal melting extrusion molding, comprise housing, material channel, heating system, cooling systemAnd temperature control system, described material channel is positioned at enclosure interior, comprises successively feed(raw material)inlet, transfer roller, strip hollow earthenwareCrucible and material outlet, described material outlet place is provided with the thermal insulation ring for stoping crucible and metal bath and extraneous heat to be transmitted, metalRaw material, by feed(raw material)inlet admission passage, enters crucible through transfer roller transmission, is smelted into metal bath in crucible, this metal bathBy material outlet leaving channel; Described crucible is outside is coated with thermal shield near material outlet end, and described heating system comprises electricityMagnetic induction coil and electromagnetic induction power supply, described electromagnetic induction coil is set in outside thermal shield; Described cooling system comprises sheathedWater collar and apparatus for supplying cool water at crucible near end outside, feed(raw material)inlet, described temperature control system comprises for monitoring goldBelong to the sensor of raw material and/or crucible temperature, for the data analysis module of analyte sensors information, for regulating electromagnetic induction lineThe PLC control module of coil power and/or cooling water flow.
Further, described material channel also comprises and being arranged between feed(raw material)inlet and transfer roller for calibrating the standard of raw metal positionThrough ship.
Further, described raw metal be aluminium, magnesium, lithium, sodium, potassium, calcium, strontium, barium, titanium, iron, cobalt, nickel, copper, zinc,Gallium, silver, gold, platinum, chromium, cadmium, indium, tin, antimony, lead, mercury, bismuth, tantalum, hafnium, tungsten, yttrium, zirconium, tellurium, rare earth metalAnd alloy, the material of described crucible is alumina-based ceramic material, magnesium oxide-based ceramic material, thyrite, nitrogenSiClx ceramic material, graphite, iron, stainless steel, copper, the fusing point of described crucible is higher than the fusing point of raw metal, in described crucibleWall is smooth.
Further, described raw metal is metal wire material or band, and the diameter 0.05mm~10mm of described metal wire material is thread,The sectional area of described sheet metal strip is 0.01mm2~100mm2
Further, described thermal shield material is opaque metal, quartz, asbestos or pottery.
Beneficial effect of the present invention is:
The invention provides a kind ofly by the 3D printhead of electromagnetic induction heating, can realize to raw metal fast, directly addHeat is melted, and can meet the requirement that metal melting is extruded, and efficiently solving ordinary metallic material cannot be with melt extruding method mouldingProblem; 3D printhead of the present invention is also provided with water cooling system and temperature control system, makes 3D printhead each positionTemperature, in reasonable interval, still can normally be used in the time of metal melting; 3D printhead of the present invention is also provided with thermal shield and exhaustedHeat ring, avoids metal bath and extraneous heat to transmit too fast on the one hand, has avoided on the other hand the temperatures involved printhead of metal bathThe work at other positions (as aligning roller, feeding roller); 3D printhead of the present invention is further preferred metal bath and crucible materialMatter, avoids both to react and introduces impurity.
Brief description of the drawings
In order to make object of the present invention, technical scheme and beneficial effect clearer, the invention provides following accompanying drawing and describe:
Fig. 1 is the structural representation of the present invention for metal melting extrusion molding 3D printhead.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
Embodiment 1:
As shown in Figure 1, the present invention, for the 3D printhead of metal melting extrusion molding, comprises housing 1, material channel, heatingSystem, cooling system and temperature control system, described material channel is positioned at housing 1 inside, comprises successively feed(raw material)inlet, collimationWheel 3, transfer roller 4, (in the present embodiment, the inwall 8 of crucible 7 is smooth, to move/flow resistance of metal for strip hollow crucible 7Less) and material outlet 11, described material outlet 11 places are provided with for stoping crucible 7 and metal bath and extraneous heat to be transmittedAdiabatic ring 12, raw metal 2, by feed(raw material)inlet admission passage, is proofreaied and correct through collimation wheel 3, and transfer roller 4 transmits and enters crucible 7,In crucible, be smelted into metal bath, this metal bath is by material outlet 11 leaving channels; Described crucible 7 is outside to be gone out near raw materialMouthful 11 ends are coated with thermal shield 9, described heating system comprise electromagnetic induction coil 18 and electromagnetic induction power supply 13 and and bothThe wire 14 being communicated with, described electromagnetic induction coil 18 is set in outside thermal shield 9; Described cooling system comprises and is set in crucible 7Near water collar 17 and apparatus for supplying cool water 16 and the water pipe 15 of end outside, feed(raw material)inlet, described temperature control system comprises useIn the sensor 6 of monitoring raw metal and/or crucible temperature, for the data analysis module of analyte sensors information, for regulatingThe PLC control module of electromagnetic induction coil 18 power and/or cooling water flow.
In the present embodiment, described raw metal is aluminium alloy, and the material of described crucible is alumina-based ceramic material, described heat shieldingCovering layer material is asbestos.
When work: (wire that diameter is 0.05mm~10mm or sectional area are 0.01mm to raw metal 22~100mm2GoldBelong to band) by feed(raw material)inlet, upper end admission passage, to proofread and correct through collimation wheel 3, transfer roller 4 transmits and enters crucible 7, and now metal is formerMaterial 2 melts and obtains metal bath 10 (raw metal 2 enters 7 one sections of distances of crucible gradually under the heating of electromagnetic induction coil 18From after start to melt, in crucible 7, there is the solid-liquid interface 5 of raw metal 2), this metal bath 10 is by material outlet 11Leaving channel; In electromagnetic induction coil 18 heating processes, sensor 6 is monitored at any time the temperature of raw metal and/or crucible and is incited somebody to actionThis information is sent to data analysis module and determines whether to change heating power or increase cooling water circulation speed.
It should be noted that, raw metal can be for aluminium, magnesium, lithium, sodium, potassium, calcium, strontium, barium, titanium, iron, cobalt, nickel,Copper, zinc, gallium, silver, gold, platinum, chromium, cadmium, indium, tin, antimony, lead, mercury, bismuth, tantalum, hafnium, tungsten, yttrium, zirconium, tellurium,Any one in rare earth metal and alloy thereof, the material of crucible is alumina-based ceramic material, magnesium oxide-based ceramic material, carbonAny one in SiClx ceramic material, silicon nitride ceramic material, graphite, iron, stainless steel, copper, thermal shield material is not forAny one in transparent metal, quartz, asbestos or pottery; As long as the fusing point of crucible is higher than fusing point and the crucible of raw metalDo not react with metal bath, crucible inwall 8 is smooth, all has good result of use.
Finally explanation, above preferred embodiment is only unrestricted in order to technical scheme of the present invention to be described, although by above-mentionedPreferred embodiment is described in detail the present invention, but it will be appreciated by those skilled in the art that can be in form andIn details, it is made to various changes, and do not depart from the claims in the present invention book limited range.

Claims (5)

1. for a 3D printhead for metal melting extrusion molding, comprise housing, material channel, heating system, cooling system andTemperature control system, is characterized in that: described material channel is positioned at enclosure interior, comprise successively feed(raw material)inlet, transfer roller,Strip hollow crucible and material outlet, described material outlet place is provided with for stoping crucible and metal bath and extraneous heat to passThe thermal insulation ring of passing, raw metal, by feed(raw material)inlet admission passage, enters crucible through transfer roller transmission, in crucible, is smelted intoMetal bath, this metal bath is by material outlet leaving channel; Described crucible is outside is coated with heat shielding near material outlet endCover layer, described heating system comprises electromagnetic induction coil and electromagnetic induction power supply, and described electromagnetic induction coil is set in heat shieldingCover outside layer; Described cooling system comprises and is set in water collar and the apparatus for supplying cool water of crucible near end outside, feed(raw material)inlet,Described temperature control system comprises sensor for monitoring raw metal and/or crucible temperature, for analyte sensors informationData analysis module, for regulating the PLC control module of electromagnetic induction coil power and/or cooling water flow.
2. according to claim 1 for the 3D printhead of metal melting extrusion molding, it is characterized in that: described material channel alsoComprise and being arranged between feed(raw material)inlet and transfer roller for calibrating the collimation wheel of raw metal position.
3. according to claim 1 for the 3D printhead of metal melting extrusion molding, it is characterized in that: described raw metal isAluminium, magnesium, lithium, sodium, potassium, calcium, strontium, barium, titanium, iron, cobalt, nickel, copper, zinc, gallium, silver, gold, platinum, chromium,Cadmium, indium, tin, antimony, lead, mercury, bismuth, tantalum, hafnium, tungsten, yttrium, zirconium, tellurium, rare earth metal and alloy thereof, described earthenwareThe material of crucible be alumina-based ceramic material, magnesium oxide-based ceramic material, thyrite, silicon nitride ceramic material,One in graphite, iron, stainless steel, copper, the fusing point of described crucible is higher than the fusing point of raw metal, described crucible inwallSmooth.
4. according to claim 1 for the 3D printhead of metal melting extrusion molding, it is characterized in that: described raw metal isMetal wire material or band, the diameter 0.05mm~10mm of described metal wire material is thread, and the sectional area of described sheet metal strip is0.01mm2~100mm2
5. according to claim 1 for the 3D printhead of metal melting extrusion molding, it is characterized in that: described thermal shield materialMatter is opaque metal, quartz, asbestos or pottery.
CN201410513433.7A 2014-09-29 2014-09-29 A kind of 3D printhead for metal melting extrusion molding Active CN104338933B (en)

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Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104646670B (en) * 2015-03-06 2017-05-24 沈湧 High-frequency induction melting type metal 3D (three-dimensional) printing machine
CN105108146B (en) * 2015-08-31 2018-05-25 沈阳海纳鑫科技有限公司 It is a kind of using noble metal silk material as the process of raw material increasing material manufacturing ornaments and component
DE102016117540A1 (en) 2016-09-16 2018-03-22 Joomion UG (haftungsbeschränkt) Method and apparatus for continuous electrical melting, mixing and extrusion of metals and other conductive materials
CN106808691B (en) * 2017-02-15 2023-08-22 清华大学天津高端装备研究院 Preparation system and preparation method of medical radiation protection equipment
CN106825576A (en) * 2017-04-05 2017-06-13 曾广兴 A kind of induction quick metal molten shower nozzle for 3D metallic print machines
CN107363237A (en) * 2017-07-07 2017-11-21 镇江镨利玛新型材料科技有限公司 The shaped device of continuous production high temperature alloy ingot blank
US20190024265A1 (en) * 2017-07-18 2019-01-24 GM Global Technology Operations LLC Filament for an additive manufacturing process
CN107520447A (en) * 2017-08-28 2017-12-29 潘涌 A kind of metal increasing material manufacturing device and method
US11235528B2 (en) 2017-09-02 2022-02-01 R3 Printing, Inc. Carriageless print head assembly for extrusion-based additive construction
CN107649676A (en) * 2017-09-06 2018-02-02 王明江 A kind of 3D printing aluminium alloy powder body material
CN108941338B (en) * 2017-12-01 2023-12-22 江苏科技大学 Induction heating leveling integral structure
CN108274956A (en) * 2017-12-26 2018-07-13 平湖爱贝拉儿童用品有限公司 A kind of wheel carrier of perambulator
CN108356270B (en) * 2018-03-26 2020-06-09 厦门大学 Metal 3D printing method based on contact resistance heating
CN109609831B (en) * 2019-01-21 2021-01-15 广西慧思通科技有限公司 3D printing metal material and preparation method thereof
CN112453431A (en) * 2020-10-27 2021-03-09 青岛科技大学 Electromagnetic induction heating spray head device of metal fuse deposition printer
CN112405376B (en) * 2020-10-30 2022-03-01 郑州磨料磨具磨削研究所有限公司 Brittle metal binding agent, metal binding agent grinding wheel and preparation method and application thereof
CN113671144A (en) * 2021-08-19 2021-11-19 攀钢集团攀枝花钢铁研究院有限公司 Hydrogen determination probe rod driving device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8204438A (en) * 1982-11-16 1984-06-18 Philips Nv METHOD AND APPARATUS FOR THE CONTINUOUS MANUFACTURE OF LONG-STRETCHED BODIES FROM AN UNFUSED STARTING MATERIAL.
CN201605309U (en) * 2010-01-14 2010-10-13 西北工业大学 Device for preparing nano-fiber orientation and localization reinforced metal base composite materials
CN103551572A (en) * 2013-10-31 2014-02-05 王璐瑶 Three-dimensional (3D) metal printer
CN103894614B (en) * 2014-04-17 2017-02-01 机械科学研究总院先进制造技术研究中心 Metal material melt extrusion device based on high-frequency induction heating
CN103909268B (en) * 2014-04-19 2018-02-06 张远明 The large scale solid-state free forming printer and Method of printing of metal dust slurry

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