CN206356582U - Metal 3 D-printing device - Google Patents
Metal 3 D-printing device Download PDFInfo
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- CN206356582U CN206356582U CN201621327066.2U CN201621327066U CN206356582U CN 206356582 U CN206356582 U CN 206356582U CN 201621327066 U CN201621327066 U CN 201621327066U CN 206356582 U CN206356582 U CN 206356582U
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Abstract
The utility model provides a kind of metal 3 D-printing device, binding agent is used as by liquid photocurable material using metal dust and carries out position three-dimensional solidification, then the three-dimensional first one-step forming of metal can be realized, or carry out the moulding material containing metal material using fused glass pellet to be printed as picture, planished simultaneously when being successively molded by topping machanism, cutting or the polishing of shape, photo-curing material can subsequently be removed by hot setting sintering and realize the fusion connection between metal dust, it is finally completed the 3 D-printing of metal pattern, due to using be that DLP photocurings or FDM fusion sediments carry out just one-step forming, its printing shaping efficiency high and precision are high, and the metal 3 D-printing device of this case not only prints that cost is relatively low and structure is relatively simple, it is easy to maintain.
Description
Technical field
The utility model is related to metal 3 D-printing field, more particularly to a kind of metal 3 D-printing device.
Background technology
3D printer is also known as 3 D-printing device, is a kind of machine of utilization rapid shaping technique, with mathematical model file
Based on, using moulding material, the entity of three-dimensional is constructed by way of successively printing.Before printing, it is necessary to utilize calculating
Machine modeling software is modeled, then the threedimensional model built up " subregion " is cut into slices into section successively, so as to instruct 3D printing device
Successively print.3D printing device is obtained a wide range of applications in product manufacturing industry.It is specific according to molding mode FDM, DLP, SLA,
The method of the 3D such as SLS, SLM, 3DP shapings.
Fused glass pellet (FDM) be by move horizontally printhead extrusion heating melting after moulding material, and
Successively stack to form threedimensional model in molding seat.Another printing type is laser sintered (SLM), and it is burnt using powder laser
Form type, general principle is to be laid with powder after one layer with laser sintered, then lays one layer, then laser sintered one with powder again
Secondary, it is in kind that 3 D stereo is printed in circulation.
But above two Method of printing all has some limitations, if desired for powerful laser head or high temperature melting
Change, metallic print can be realized, this is accomplished by the very professional protection of 3 D-printing equipment, and energy resource consumption is more, into
This is very high.
And DLP 3 D-printings are successively to solidify liquid photosensitive resin using a projecting apparatus using digital optical processing technique,
It can print the object with very fine-resolution.
Existing DLP photocurings 3D printing device includes light emitting devices, print platform and resin storage tank, and print platform is located at
In resin storage tank, light emitting devices is irradiated towards print platform, and the object for needing to print then successively is formed on print platform.
However, because print platform is moved up and down in resin storage tank, on the one hand, due to liquid light maleate resin and print platform
Contact, the active force for causing print platform upward is very big, is easily caused printing equipment liquid resin trench bottom material damage.Separately
On the one hand, because the movement of platform will have error, printing objects position and printing precision is caused to there is certain error.
Simultaneously because general imaging is used to be irradiated solidification to the liquid photocurable material such as resin, its energy is smaller, therefore can not be right
There is limitation in metal material printing shaping, use.And the imaging mode of photocuring reclaims knot because moulding material lacks
Structure, it will usually cause a large amount of wastes of moulding material.
The content of the invention
First purpose of the present utility model is to provide a kind of printing shaping efficiency high, precision height and prints lower-cost gold
Belong to 3 D-printing device.
Second purpose of the present utility model is to provide a kind of printing shaping efficiency high, precision height and prints lower-cost gold
Belong to 3 D-printing device.
3rd purpose of the present utility model be to provide it is a kind of realized using fused glass pellet mode it is quick and high-precision
The metal 3 D-printing device of metal material 3 D-printing shaping.
In order to realize the purpose of the utility model first, the utility model provides a kind of metal 3 D-printing device, including control
Device processed, the first platform, scraper plate, the second platform, light emitting devices and topping machanism, the output of the first platform receiving control device
First control signal, the first platform can be moved vertically, and the first platform is used to carry moulding material, and moulding material includes liquid
State photo-curing material and metal dust, the second control signal of scraper plate receiving control device output, scraper plate can be moved in the horizontal direction
Dynamic, the 3rd control signal of the second platform receiving control device output, the second platform can be moved vertically, scraper plate can by into
Section bar material is delivered on the second platform from the first platform, the 4th control signal of light emitting devices receiving control device output, light
Emitter is located at the top of the second platform, and light emitting devices irradiates towards the second platform, and topping machanism receiving control device is defeated
The 5th control signal gone out, topping machanism can carry out cutting movement on the second platform.
Further scheme is that photocuring metal 3 D-printing device also includes cleaning device, and cleaning device is used for
Move and clean on second platform.
From such scheme, by carrying moulding material on the first platform, the second platform is used to be imaged, then utilized
Scraper plate conveys moulding material to the second platform layer by layer, and the liquid photocurable material in moulding material is consolidated in light emitting devices
Change, because moulding material includes liquid photocurable material and metal dust, therefore metal dust is used as by liquid photocurable material
Binding agent carries out position three-dimensional solidification, the three-dimensional first one-step forming of metal can be then realized, while being passed through in successively Stereolithography
Cross topping machanism planished, cut or shape polishing, subsequently can by hot setting sintering by photo-curing material remove simultaneously
The fusion connection between metal dust is realized, the 3 D-printing of metal pattern is finally completed, is that DLP photocurings enter due to what is utilized
The first one-step forming of row, its printing shaping efficiency high and precision are high, and compared to expensive SLM metal 3 D-printing devices, SLM metals
Not only price is high, later maintenance cost is big, consuming cost is high, the photocuring metal 3 D-printing device of this case for 3 D-printing device
Not only print that cost is relatively low and structure is relatively simple to the printing of metal pattern, it is easy to safeguard.Metal dust accounts for 60% simultaneously, into
Section bar material is in thick material so that moulding material more has adhesive force, also improves the image quality of metallic print.And it is logical
Cross cleaning device the unnecessary moulding material after cutting is cleaned and reclaimed.
In order to realize the purpose of the utility model second, the utility model provides a kind of metal 3 D-printing device, including control
Device processed, the first platform, scraper plate, the second platform, nozzle, light emitting devices and topping machanism, the first platform receiving control device
First control signal of output, the first platform can be moved vertically, and the first platform is used for bearing metal powder, and scraper plate is received
Second control signal of control device output, scraper plate can move in the horizontal direction, and the of the output of the second platform receiving control device
Three control signals, the second platform can be moved vertically, and metal dust from the first platform can be delivered to the second platform by scraper plate,
4th control signal of nozzle receiving control device output, nozzle is used to spray liquid photocurable material, light towards the second platform
5th control signal of emitter receiving control device output, light emitting devices is located at the top of the second platform, light transmitting dress
Put towards the irradiation of the second platform, the 6th control signal of topping machanism receiving control device output, topping machanism can be flat second
Cutting movement is carried out on platform.
Further scheme is that photocuring metal 3 D-printing device also includes cleaning device, and cleaning device is used for
Move and clean on second platform.
Further scheme is, by the bearing metal powder on the first platform, and the second platform is used to be imaged, then sharp
Metal dust is conveyed to the second platform layer by layer with scraper plate, while solid evenly towards metal powder painting liquid light using nozzle
Change material, and in light emitting devices to the liquid photocurable material solidification in moulding material, because moulding material includes liquid light
Curing materials and metal dust, therefore metal dust is used as binding agent by liquid photocurable material and carries out position three-dimensional solidification, after
And the three-dimensional first one-step forming of metal can be realized, while planished in successively Stereolithography by topping machanism, cut or
The polishing of shape, photo-curing material can subsequently be removed and realize that the fusion between metal dust connects by hot setting sintering
Connect, be finally completed the 3 D-printing of metal pattern, due to using be DLP photocurings carry out just one-step forming, its printing shaping effect
Rate is high and precision is high, and compared to expensive SLM metal 3 D-printing devices, SLM metal 3 D-printings device not only price it is high,
Later maintenance cost is big, consuming cost is high, and the printing of the photocuring metal 3 D-printing device of this case to metal pattern is not only beaten
It is printed as this relatively low and structure is relatively simple, it is easy to safeguard.And the unnecessary moulding material after cutting is entered by cleaning device
Row cleaning and recovery.
In order to realize the purpose of the utility model the 3rd, the utility model provides a kind of metal 3 D-printing device, metal three
Tieing up printing equipment includes print head assembly, molding seat, moving assembly, consumptive material feeding assembly and topping machanism, and moving assembly is used for
Mobile print head assembly, consumptive material feeding assembly is used to drive the first moulding material and the second moulding material to be transported to print head assembly
In, at least one in the first moulding material and the second moulding material includes metal material and binding agent, and print head assembly is used for
The first moulding material and/or the second moulding material are extruded on molding seat, moving assembly is additionally operable to move topping machanism in shaping
Cut on seat.
Further scheme is that metal 3 D-printing device also includes cleaning device, and moving assembly is additionally operable to mobile clear
Clean device is cleaned on molding seat.
From such scheme, printed respectively with different metal material by consumptive material feeding assembly and print head assembly
Moulding material, while be extruded into the principle of picture using printhead, 3 D-printing is carried out using FDM molding mode, at the same by
Planished during layer Stereolithography by topping machanism, cut or shape polishing, its shaping efficiency is high, precision height, cost
It is low, the three dimensional model printing of many metal materials can be then realized, it can form the threedimensional model with new metallicity.
And the unnecessary moulding material after cutting is cleaned and reclaimed by cleaning device.
Brief description of the drawings
Fig. 1 is the utility model photocuring metal 3 D-printing device first embodiment structure principle chart.
Fig. 2 is the utility model photocuring metal 3 D-printing device second embodiment structure principle chart.
Fig. 3 is the utility model photocuring metal 3 D-printing device 3rd embodiment structure principle chart.
Fig. 4 is the principle schematic of the printing equipment first embodiment of the utility model metal 3 D-printing device.
Fig. 5 is the principle schematic of the printing equipment second embodiment of the utility model metal 3 D-printing device.
Fig. 6 is the flow chart of the manufacture method embodiment of the three-dimensionally shaped silk of the utility model.
Fig. 7 is the screw extruder and molding extruder head of the manufacture method embodiment of the three-dimensionally shaped silk of the utility model
Structure chart.
Fig. 8 be three-dimensionally shaped silk embodiment filamentary material be in linear state and case of bending when schematic diagram.
Fig. 9 is the test chart of three-dimensionally shaped silk embodiment.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment
Photocuring metal 3 D-printing device first embodiment：
Reference picture 1, photocuring metal 3 D-printing device include control device 1, platform 11, accommodating chamber 111, platform 12,
Accommodating chamber 121, scraper plate 21, light emitting devices 22, topping machanism 23 and cleaning device 24, control device 1 is using with computing energy
The single-chip microcomputer and process chip of power, accommodating chamber 111 and accommodating chamber 121 are up provided with opening, and platform 11 is located at first and held
Receive in chamber, platform 12 is located in the second accommodating chamber.The control signal of the receiving control device 1 of platform 11 output, platform 11 is being accommodated
Can vertically it be moved in chamber 111, platform 11 is used to carry moulding material, and moulding material includes liquid photocurable material and gold
Belong to powder, the accounting of the quality of metal dust in the quality of moulding material is more than or equal to 60% so that moulding material is in thick
Liquid, moulding material Stackable is on platform 11.
The control signal of the receiving control device 1 of platform 12 output, platform 12 can vertically be moved in accommodating chamber 121
Dynamic, the control signal of the receiving control device 1 of scraper plate 21 output, scraper plate 21 is set in strip, and scraper plate 21 can be moved in the horizontal direction
It is dynamic.
The control signal of the receiving control device 1 of light emitting devices 22 output, light emitting devices 22 uses digital laser head simultaneously
Imaging is irradiated by DLP modes, light emitting devices 22 is located at the top of platform 12, and light emitting devices 22 shines towards platform 12
Penetrate image light.
The control signal of the receiving control device 1 of topping machanism 23 output, cleaning device 24 is connected with topping machanism 23, is cut
Device 23 and cleaning device 24 can be moved together on platform 12, and topping machanism 23 is cut the moulding material after photocuring
And planing, the movement of the trailing type of cleaning device 24 can clean to the remaining moulding material after planing living after cutting.Preferably,
Cleaning device can using negative pressure extracting formula be cleaned, either cleaning device can also using brush formula be cleaned or
Cleaned using high-pressure jet formula.Above-mentioned scraper plate, cleaning device and topping machanism can be using conventional move mode
Move, such as the conventional move mode of screw drive, belt driving, and topping machanism is also that can be carried out using manipulator
It is more flexible mobile so that topping machanism can carry out the processing of different angles to the side top surface of threedimensional model, cut certainly
Turning device and cleaning device are individually to drive respectively so that topping machanism has higher flexibility ratio.
The Method of printing first embodiment of photocuring metal 3 D-printing device：
When above-mentioned photocuring metal 3 D-printing device first embodiment enters row metal three-dimensional imaging, during beginning, platform 11
It is normally in accommodating chamber 111, multi-layer forming material is stacked on platform 11, platform 12 is normally at the opening of accommodating chamber 121,
Moulding material is delivered on platform 12 by scraper plate 21 from platform 11 first, and moulding material is struck off, subsequent light emitting devices 22
It is irradiated to the moulding material of platform 12, causes the liquid photocurable material in moulding material to consolidate due to the imaging of irradiation
Change, then solidify default irradiation area, and photo-curing material also causes gold as the binding agent between metal powder particles
Category powder is fixed in default irradiation area position.The shaping that subsequent topping machanism 23 and cleaning device 24 are moved to after photocuring
On material, cut and cleaned.
Then it is imaged the platform 11 finished and up moves pre-determined distance, the pre-determined distance and platform 12 moves down.With follow-up
Moulding material is delivered on platform 12 by the continuous scraper plate 21 that performs, and light emitting devices 22 is carried out at photocuring to moulding material
Reason, and platform are moved up and down, until threedimensional model is successively printed and finished.Finally will tentatively it complete containing metal dust
Threedimensional model is taken out from platform 12, and hot setting sintering is carried out to it, and hot setting sintering can be by the photocuring in model
Material such as resin is removed, and metal dust is heated into melting and be combined with each other, and is finally completed metal three dimensional model printing.
Photocuring metal 3 D-printing device second embodiment：
Reference picture 2, photocuring metal 3 D-printing device include control device 3, platform 31, accommodating chamber 311, platform 32,
Accommodating chamber 321, scraper plate 41, light emitting devices 42, shower nozzle 43, topping machanism 44 and cleaning device 45, control device 3, which is used, to be had
The single-chip microcomputer and process chip of operational capability, accommodating chamber 311 and accommodating chamber 321 are up provided with opening, and platform 31 is located at
In first accommodating chamber, platform 32 is located in the second accommodating chamber.The control signal of the receiving control device 3 of platform 31 output, platform 31
Can vertically it be moved in accommodating chamber 311, platform 31 is used for bearing metal powder 51, and the Stackable of metal dust 51 is in platform
On 31.
The control signal of the receiving control device 3 of platform 32 output, platform 32 can vertically be moved in accommodating chamber 321
Dynamic, the control signal of the receiving control device 3 of scraper plate 41 output, scraper plate 41 is set in strip, and scraper plate 41 can be moved in the horizontal direction
It is dynamic.The control signal of the receiving control device 3 of shower nozzle 43 output, shower nozzle 43 can be moved in the horizontal direction, and shower nozzle 43 can be in strip
It is extended and is used for towards the injection liquid photocurable of platform 32 material 52.
The control signal of the receiving control device 3 of light emitting devices 42 output, light emitting devices 42 uses digital laser head simultaneously
Imaging is irradiated by DLP modes, light emitting devices 42 is located at the top of platform 32, and light emitting devices 42 shines towards platform 32
Penetrate imaging.
The control signal of the receiving control device 1 of topping machanism 44 output, cleaning device 45 is connected with topping machanism 44, is cut
Device 44 and cleaning device 45 can be moved together on platform 32, and topping machanism 44 is cut the moulding material after photocuring
And planing, the movement of the trailing type of cleaning device 45 can clean to the remaining moulding material after planing living after cutting.
The Method of printing second embodiment of photocuring metal 3 D-printing device：
When above-mentioned photocuring metal 3 D-printing device second embodiment enters row metal three-dimensional imaging, during beginning, platform 31
It is normally in accommodating chamber 311, multi-layer forming material is stacked on platform 31, platform 32 is normally at the opening of accommodating chamber 321,
Metal dust is delivered on platform 12 by scraper plate 41 from platform 11 first, and metal dust is struck off, and then the level of shower nozzle 43 is moved
Move and spray liquid photocurable material 52, metal dust 51 and the phase of liquid photocurable material 52 towards metal dust 51 on platform 32
Mutually fusion, easily attracts each other then easily into metal because the diameter of metal dust is general between 8 rans, metal dust
Agglomerates, it is not easy to pave, and after injection liquid photocurable material 52, in order that the layer is more smooth, scraper plate 41 is again
Metal dust 51 and liquid photocurable material 52 on platform 32 is struck off again.
Subsequent light emitting devices 42 is irradiated to the liquid photocurable material 52 of platform 32, because the imaging of irradiation makes
Liquid photocurable material solidification, then solidify default irradiation area, and photo-curing material as metal powder particles it
Between binding agent, also cause metal dust fixed in default irradiation area position.Then topping machanism 44 and cleaning device 45
It is moved on the moulding material after photocuring, is cut and cleaned.
Then it is imaged the platform 31 finished and up moves pre-determined distance, the pre-determined distance and platform 32 moves down.With follow-up
Metal dust is delivered on platform 32 by the continuous scraper plate 41 that performs, and fill-before-fire liquid photocurable material, and light emitting devices 42 enter
The processing of row photocuring, and platform are moved up and down, until threedimensional model is successively printed and finished.Finally by containing for tentatively completing
The threedimensional model of metal dust is taken out from platform 32, and hot setting sintering is carried out to it, and hot setting sintering can be by model
In photo-curing material for example resin remove, and by metal dust heat melt and be combined with each other, be finally completed metal threedimensional model
Printing.
Photocuring metal 3 D-printing device 3rd embodiment：
, can be right in reference picture 3, and the principle based on the first and second embodiment of above-mentioned photocuring metal 3 D-printing device
The station of photocuring metal 3 D-printing device is improved, and such as setting multiple is used to carry the flat of moulding material or metal dust
Platform 61, platform 61 can carry different metal material respectively, set the platform 62 of multiple carrying models, and in the upper of each platform 62
Side is provided for the light emitting devices of irradiation imaging, and intersects and be disposed adjacently between platform 61 and platform 62, i.e., multiple
Platform 61 can be arranged on the periphery of platform 62 so that platform 62 can be molded by two scraper plates 63 for being arranged on side
Material is conveyed and struck off, and just platform 62 can be sprayed by movement by two shower nozzles 64 for being arranged on side, is entered
During row various metals mixing printing shaping, alternately paving metal dust and injection liquid photocurable material can be carried out, and set
Two topping machanisms 65 and cleaning device 66 in side, can be cut and be cleaned to the model on platform 62, utilize multiplexing
The metal 3 D-printing of different metal is realized in the setting of position, and improves printing shaping efficiency.
Above-mentioned metal dust can using bronze, cobalt-base alloys, acid bronze alloy, gold-base alloy, nickel-base alloy, stainless steel,
At least one of iron, lead, kirsite, and the first platform, the second platform, scraper plate and shower nozzle in this case are built-in with movement
Motor simultaneously can be along predetermined trajectory along moving horizontally or vertical shift, and control device controls the rotation of mobile motor by control signal
Just movement can be realized.
The metal 3 D-printing device first embodiment of fused glass pellet：
Reference picture 4, metal 3 D-printing device include print head assembly, molding seat, moving assembly, consumptive material feeding assembly,
Topping machanism 73 and cleaning device 74,3 D-printing device 1 are provided with X-axis mobile motor, Y-axis mobile motor and Z axis movement electricity
Machine (is not indicated), and X-axis mobile motor, Y-axis mobile motor and Z axis mobile motor constitute the moving assembly of the present embodiment, is moved in Z axis
It is connected with screw rod, Z axis mobile motor and is moved in the Z-axis direction by screw drive molding seat on dynamic motor.
X-axis mobile motor and Y-axis mobile motor driving print head assembly are moved in horizontal X Y-direction, print head assembly bag
The printhead 72 of printhead 71 and second is included, printhead 71 is used to extrude the moulding material 711, and printhead 72 is used for extrusion molding
Moulding material can be delivered in printhead by material 712, consumptive material feeding assembly by roller mode.Topping machanism 73 and sanitizer cartridge
Put 74 together can be moved on molding seat, and topping machanism 73 is cut and planished to moulding material, the trailing type of cleaning device 74
Movement the remaining moulding material after planing living after cutting can be cleaned.Moving assembly is also including to topping machanism 73 and clearly
The travel mechanism that clean device 74 is moved, the travel mechanism can be moved using conventional move mode, and such as screw rod drives
The conventional travel mechanisms such as dynamic, belt driving.
The metal 3 D-printing device second embodiment of fused glass pellet：
Reference picture 5, is improved in metal 3 D-printing device second embodiment to print head assembly, specifically, beating
Printing head assembly includes guide device, nozzle 83 and heater 82, and guide device is connected to consumptive material feeding assembly and print head assembly
Between 14, guide device includes housing 81, two inputs is provided with the upper end of housing 81, in the bottom of housing 81
Output end 813 is provided with, passage 811 is communicatively offered between input and output end 813, in another input and output
Passage 812 is communicatively offered between end 813, passage 811 and passage 812 are the groove that housing 81 is opened up.Passage 811 and logical
Road 812 its respective bottom it is interconnected set so that passage 811 and passage 812 are distributed in Y type branching shapes.
Passage 811 and passage 812 are separately installed with position detecting device (not shown), position detecting device on the position of upper end
The position of moulding material can be detected by position detecting device using the conventional position detector such as laser detection,
And feed back to the result that position is detected in 3 D-printing device.
Heater 82 is enclosed on outside nozzle 83, and heater 82 can be heated to the moulding material in nozzle 83 and make forming material
Material is heated to molten condition, and actual temp is substantially at 150-200 degrees Celsius, and binding agent can be heated to molten condition by it.Plus
The input of hot device 82 connects setting with output end 813.
Metal 3 D-printing device second embodiment also includes topping machanism 84 and cleaning device 85,84 pairs of topping machanism into
Section bar material is cut and planished, and the movement of the trailing type of cleaning device 85 can enter to the remaining moulding material after planing living after cutting
Row cleaning.
The Method of printing first embodiment of the metal 3 D-printing device of fused glass pellet：
Include gold using above-mentioned metal 3 D-printing device second embodiment, i.e. moulding material 711 and moulding material 712
Belong to material and binding agent, and boiling point of the fusing point less than moulding material 712 of moulding material 711, and moulding material 711 and shaping
The fusing point of material 712 is close.
Print head assembly extrusion molding material 711 and includes the step of moulding material 712 on molding seat：
First, consumptive material feeding assembly driving moulding material 711 enters to guide device and driven, and drives to printhead cluster
In part, then heat, then print head assembly extrudes a formable layer material 711 on molding seat, subsequent topping machanism 84 and clear
Clean device 85 is moved on moulding material 711, is cut and is cleaned.
Then, molding seat declines after pre-determined distance, and print head assembly extrudes a formable layer material on moulding material 711
712, then topping machanism 84 and cleaning device 85 be moved on moulding material 712, cut and cleaned.Finally realize different
Layer carries out three dimensional model printing using different metal material.
After printing is finished, taken out from molding seat, high temperature sintering will be carried out, two kinds of mutual melting mixings of metal material are formed
Metal threedimensional model with new metallicity.
Two kinds of metal materials are mutually merged into printing, first can also be mixed in printhead, specifically, moulding material
711 and moulding material 712 mixed in print head assembly after form mixed-forming material, in the lump from printhead extrusion then shape
Into hybrid metal 3 D-printing.
The Method of printing second embodiment of the metal 3 D-printing device of fused glass pellet：
On the application foundation of metal 3 D-printing the first second embodiment of device, when printing a layer model, Ke Yigen
Factually border modelling switches the moulding material of printing, i.e. a layer model while using moulding material 711 and moulding material at any time
712 are printed.
Above-mentioned Method of printing first embodiment and second embodiment, its preferred metal material is, the gold of moulding material 711
Category material is zinc-containing alloy, and the fusing point of zinc-containing alloy is at 450-480 degrees Celsius, and the metal material of moulding material 712 closes for aluminium base
Gold, the melting temperature of zinc-containing alloy is at 580-650 degrees Celsius.
The Method of printing 3rd embodiment of the metal 3 D-printing device of fused glass pellet：
Or a kind of moulding material is printed on molding seat only with a kind of moulding material, i.e. print head assembly and makes it
Into threedimensional model.
The Method of printing fourth embodiment of the metal 3 D-printing device of fused glass pellet：
Using the first second embodiment of above-mentioned metal 3 D-printing device, and the property of moulding material is adjusted, had
Body is that moulding material 711 and moulding material 712 include metal material and binding agent, and the fusing point of moulding material 711 is higher than into
The boiling point of section bar material 712.Its preferred metal material is that the metal material of moulding material 712 is zinc-containing alloy, zinc-containing alloy
Fusing point is at 450-480 degrees Celsius, and the metal material of moulding material 711 is stainless steel alloy, and the melting temperature of stainless steel alloy exists
1200-1300 degrees Celsius.
Print head assembly extrusion molding material 711 and includes the step of moulding material 712 on molding seat：
Need printing some need the threedimensional model of supporting construction when, print head assembly is extruded on molding seat first
Section bar material 711, using moulding material 711 as support zone, to support the printing of moulding material 712.After one layer of printing, cutting dress
Put and be moved to cleaning device on moulding material 711, cut and cleaned.
The printing of physical location is then performed, molding seat declines after pre-determined distance, and print head assembly 14 is in moulding material 711
Upper extrusion molding material 712, then realizes the cooperation printing of support zone and physical location.Print after the layer, topping machanism and
Cleaning device is moved on moulding material 712, is cut and is cleaned.
After printing is finished, taken out from molding seat, high temperature sintering will be carried out, because physical location is moulding material 712, therefore added
Heat is to the melting temperature of moulding material 712, and moulding material 711 is low also in uncured or also in powdered due to temperature
State, so cleaning and removal moulding material 711 are to be relatively easy to.
The embodiment of Method of printing the 5th of the metal 3 D-printing device of fused glass pellet：
The moulding material of above-described embodiment contains metal material, and the scheme that the present embodiment is used is that moulding material 711 is wrapped
Metal material and binding agent are included, metal material can use zinc-containing alloy, and moulding material 712 is backing material, and backing material can be adopted
With ABS resin or PLA PLAs, the fusing point of moulding material 711 is higher than the fusing point of the moulding material 712.
Print head assembly extrusion molding material 711 and includes the step of moulding material 712 on molding seat：
Need printing some need the threedimensional model of supporting construction when, print head assembly is extruded on molding seat first
Section bar material 712, using moulding material 712 as support zone, to support the printing of moulding material 711.Print after the layer, cutting dress
Put and be moved to cleaning device on moulding material 712, cut and cleaned.
The printing of physical location is then performed, molding seat declines after pre-determined distance, and print head assembly is on moulding material 712
Extrusion molding material 711, then realizes the cooperation printing of support zone and physical location.Print after the layer, topping machanism and clear
Clean device is moved on moulding material 711, is cut and is cleaned.
After printing is finished, taken out from molding seat, high temperature sintering will be carried out, because physical location is moulding material 711, therefore needed
It is heated to the melting temperature of moulding material 711, and is that the backing material of ABS resin or PLA PLAs will gasify discharge, so clearly
It is to be relatively easy to manage and remove moulding material 712.
The Method of printing sixth embodiment of the metal 3 D-printing device of fused glass pellet：
, can also be using the mixing between metal material and nonmetallic materials in addition to the mixing printing of different metal material
Printing, specifically, mixing printing, the first forming material can be carried out using the printing equipment second embodiment of metal 3 D-printing device
Material includes the first metal material and the first binding agent, and the second moulding material uses nonmetallic materials, can such as use ceramic ink, its
For the imaging of color, or can be using permanent-magnet material, ceramic powders or rare earth powder etc., for improveing metallic character.
Therefore, the forming material with different metal material is printed by consumptive material feeding assembly and print head assembly respectively
Material, while be extruded into the principle of picture using printhead, using FDM molding mode carry out after 3 D-printing, and printing and
When cutting planing processing, high cost is low in high precision for its shaping efficiency, can then realize the three dimensional model printing of many metal materials,
It can form the threedimensional model with new metallicity.
The manufacture method embodiment of three-dimensionally shaped silk and three-dimensionally shaped silk embodiment：
Moulding material in above-described embodiment makes the three-dimensionally shaped silk that just can be formed in the present embodiment by thread stretching
Material, following examples specifically tell about the three-dimensionally shaped silk of this case is how to be made and composition proportion.
The three-dimensionally shaped silk that the utility model is provided includes metal material, binding agent, dispersant, pliability reinforcing agent
And stabilizer, wherein, the percentage that metal material accounts for the gross weight of three-dimensionally shaped silk is 80% to 90%；Binding agent accounts for three-dimensional
The total weight percent for being molded silk is 1% to 10%；The total weight percent that dispersant accounts for three-dimensionally shaped silk is 0.1% to 5%；
The total weight percent that pliability reinforcing agent accounts for three-dimensionally shaped silk is 0.1% to 5%；Stabilizer accounts for the gross weight of three-dimensionally shaped silk
It is 0.1% to 1% to measure percentage.
Preferably, metal material is Fe/Ni metal materials（Iron-nickel alloy）, Wc/Co/Cu metal materials（Tungsten carbide/cobalt/
Copper alloy）、YBa2Cu3O7Metal material（Yttrium barium copper oxide）, SiC metal materials（Carborundum）、Si3N4Metal material（Nitridation
Silicon）, Si/Al metal materials（Silico-aluminum）、Al2O3/ Tic metal materials（Aluminum oxide/titanium carbide composite）, ferrous metal material
Material, cobalt metal material, Molybdenum metal materials industry, chromium metal material, niobium metal material, nickel metal material, manganese Metal material, tungsten metal material
Material, copper metal material, aluminum metallic material.
Preferably, binding agent is paraffin based binder, beeswax, stearic acid, Brazil wax, ethylene ethyl acrylate, benzene
Ethylene, propylene nitrile（SAN）Resin, acrylonitrile-butadiene-styrene copolymer（ABS）Resin, polybutylene terephthalate (PBT)
（PBT）, polyethyleneglycol diacrylate, DPG first mystery acetate, 2-Pyrrolidone, polybutylene terephthalate (PBT),
Ethyl cellulose, acetate fiber, hydroxypropyl cellulose, collodion cotton, Ethylene/Butylene cellulose, polyvinyl butyral,
Polyethylene terephthalate, polystyrene, nylon.
Preferably, dispersant is at least one of following material：Polyamide（PA）, polyformaldehyde（POM）, polypropylene
（PP）, polyethylene（PE）, ethylene-vinyl acetate copolymer（EVA）, polyacrylate（PEA）.Stabilizer is steady for Zinc-oxide-based heat
Determine agent.
Preferably, pliability reinforcing agent is the mixture of o-phthalic acid dibutyl ester and dibutyl phthalate (DBP), adjacent benzene
The percentage by weight of dioctyl phthalate dibutyl ester and dibutyl phthalate (DBP) is 0.1：1 to 10：1.
Preferably, the percentage by weight that metal material is occupied is 85% to 90%；The percentage by weight that binding agent is occupied is 4%
To 9%；The percentage by weight that dispersant is occupied is 0.5% to 3%；The percentage by weight that pliability reinforcing agent is occupied is 0.5% to 3%；
The percentage by weight that stabilizer is occupied is 0.5% to 0.8%.
First embodiment：
The manufacture method of the three-dimensionally shaped silk of the present embodiment includes following step.
As shown in fig. 6, first, performing preparation process S1,80 parts of iron-nickel alloys are obtained（Fe/Ni）Metal material, 10 parts of stones
Wax-based binder, 0.5 part of polyamides amine dispersant, 0.5 part of pliability reinforcing agent and 0.5 part of oxidation zinc heat stabilizer.Wherein, it is flexible
Property reinforcing agent be o-phthalic acid dibutyl ester and dibutyl phthalate (DBP) mixture, and o-phthalic acid dibutyl ester and adjacent benzene
The percentage by weight of dioctyl phthalate dibutylester is 1：1.
Then, extrusion step S2 is performed, above-mentioned metal material, binding agent, dispersant, pliability reinforcing agent and stabilizer
By screw extruder, and extruded by molding extruder head at 100 DEG C to 250 DEG C and obtain extruded material.Such as Fig. 7 institutes
Show, each component raw material is added in screw extruder 91 through charge door 90, the prolonged agitation each component raw material of screw rod 92 is mixed to reach
Uniform purpose is closed, then extruded material 94 is obtained by the extrusion of molding extruder head 93.
Then, drawing step S3 is performed, extruded material obtains filamentary material using wire drawing machine wire drawing.As shown in figure 8, being silk
Shape material 95 can be form of straight lines, and in outer masterpiece with occuring bending and deformation, meanwhile, this thread material after flexural deformation
Material 95 will not be broken.In a preferred embodiment, cooling step, the handle in cooling step are also included after drawing step
Filamentary material is cooled to room temperature.A diameter of 1.75 millimeters ± 0.05 millimeter of filamentary material after wire drawing.
Finally, curled hair step S4 is performed, therefore can be filamentary material because this filamentary material 95 can be with flexural deformation
95 are crimped onto on silk disk.
The 3 D-printing device of the present embodiment includes print platform, printhead and three-dimensionally shaped silk, and printhead can be relative
Moved in print platform on three-dimensional, three-dimensionally shaped silk is wrapped on the silk disk of FDM 3 D-printing devices.This implementation
The specific structural features and operation principle of the 3 D-printing device of example refer to background section.The 3 D-printing of the present embodiment
The forming method of device includes preliminary forming step and sintering step, and three-dimensionally shaped silk uses the three-dimensionally shaped silk of the present embodiment
Material.
In preliminary forming step, printhead is successively molded on print platform after three-dimensionally shaped silk is melted and formed just
Step solidification object, and melting temperature of the three-dimensionally shaped silk in printhead is 180 DEG C to 350 DEG C.
In sintering step, primary solidification object obtained above place under vacuum conditions, 1200 DEG C of hot environments
Lower sintering curing, is finally completed the shaping of three-dimensional body, and the density value of the object after shaping is 7.70.The specific work of sintering step
Skill can be found in the process of existing metal powder sintered technique.
Second embodiment：
The manufacture method of the three-dimensionally shaped silk of the present embodiment includes following step.
First, preparation process is performed：Obtain 85 parts of iron-nickel alloys（Fe/Ni）Metal material, 10 parts of beeswax binding agents, 0.3
Part polyformaldehyde dispersant, 0.7 part of pliability reinforcing agent and 0.2 part of oxidation zinc heat stabilizer.Wherein, pliability reinforcing agent is adjacent benzene
The mixture of dioctyl phthalate dibutyl ester and dibutyl phthalate (DBP), and o-phthalic acid dibutyl ester and dibutyl phthalate (DBP)
Percentage by weight is 0.3：1.
Then, extrusion step is performed, above-mentioned metal material, binding agent, dispersant, pliability reinforcing agent and stabilizer are led to
Screw extruder is crossed, and process molding extruder head is extruded at 160 DEG C to 190 DEG C and obtains extruded material.
Then, drawing step is performed, extruded material obtains filamentary material using wire drawing machine wire drawing, preferred embodiment
In.Also include cooling step after drawing step, filamentary material is cooled to room temperature in cooling step.
Finally, curled hair step is performed, filamentary material is crimped onto on silk disk.
The 3 D-printing device of the present embodiment includes print platform, printhead and three-dimensionally shaped silk, and printhead can be relative
Moved in print platform on three-dimensional, three-dimensionally shaped silk is wrapped on the silk disk of FDM 3 D-printing devices.This implementation
The specific structural features and operation principle of the 3 D-printing device of example refer to background section.The 3 D-printing of the present embodiment
The forming method of device includes preliminary forming step and sintering step, and three-dimensionally shaped silk uses the three-dimensionally shaped silk of the present embodiment
Material.
In preliminary forming step, printhead is successively molded on print platform after three-dimensionally shaped silk is melted and formed just
Step solidification object, and melting temperature of the three-dimensionally shaped silk in printhead is 200 DEG C to 300 DEG C.
In sintering step, primary solidification object obtained above place under vacuum conditions, 1200 DEG C of hot environments
Lower sintering curing, is finally completed the shaping of three-dimensional body, and the density value of the object after shaping is 7.74.The specific work of sintering step
Skill can be found in the process of existing metal powder sintered technique.
3rd embodiment：
In preparation process is performed, 90 parts of iron-nickel alloys are obtained（Fe/Ni）Metal powder material, 10 parts of beeswax binding agents,
0.4 part of polyformaldehyde dispersant, 0.6 part of pliability reinforcing agent and 0.3 part of oxidation zinc heat stabilizer.Wherein, pliability reinforcing agent is
The mixture of o-phthalic acid dibutyl ester and dibutyl phthalate (DBP), and o-phthalic acid dibutyl ester and the fourth of phthalic acid two
The percentage by weight of fat is 0.5：1.The density value of object after shaping is 7.82.
Other steps are identical with above-mentioned second embodiment, repeat no more.
Fourth embodiment：
In preparation process is performed, 80 parts of iron-nickel alloys are obtained（Fe/Ni）Metal powder material, 10 parts of ethylene acrylic second
Ester binding agent, 0.3 part of polypropylene dispersant, 0.7 part of pliability reinforcing agent and 0.2 part of oxidation zinc heat stabilizer.Wherein, pliability
Reinforcing agent is the mixture of o-phthalic acid dibutyl ester and dibutyl phthalate (DBP), and o-phthalic acid dibutyl ester and adjacent benzene two
The percentage by weight of formic acid dibutylester is 0.3：1.The density value of object after shaping is 7.75.
5th embodiment：
In preparation process is performed：Obtain 85 parts of iron-nickel alloys（Fe/Ni）Metal material, 10 parts of stearic acid binders, 0.3
Part polyformaldehyde dispersant, 0.7 part of pliability reinforcing agent and 0.4 part of oxidation zinc heat stabilizer.Wherein, pliability reinforcing agent is adjacent benzene
The mixture of dioctyl phthalate dibutyl ester and dibutyl phthalate (DBP), and o-phthalic acid dibutyl ester and dibutyl phthalate (DBP)
Percentage by weight is 0.8：1.The density value of object after shaping is 7.74.
Sixth embodiment：
In preparation process is performed：Obtain 85 parts of iron-nickel alloys（Fe/Ni）Metal material, 10 parts of stearic acid binders, 0.3
Part sub-polyethylene powder, 0.7 part of pliability reinforcing agent and 0.5 part of oxidation zinc heat stabilizer.Wherein, pliability reinforcing agent is adjacent benzene
The mixture of dioctyl phthalate dibutyl ester and dibutyl phthalate (DBP), and o-phthalic acid dibutyl ester and dibutyl phthalate (DBP)
Percentage by weight is 1.2：1.The density value of object after shaping is 7.80.
The experimental data of 7th embodiment to the 9th embodiment of three-dimensionally shaped silk is as shown in the table：
| Group | CrNiMn powder of stainless steel | Binding agent | Stabilizer zinc oxide | High temperature sintering temperature（℃） | Physical three-dimensional object density |
| 7th embodiment | 80% | 10% | 1% | 1300 | 7.71 |
| 8th embodiment | 85% | 10% | 1% | 1300 | 7.73 |
| 9th embodiment | 90% | 10% | 1% | 1300 | 7.81 |
The other steps do not addressed and parameter of 7th embodiment to the 9th embodiment are identical with first embodiment, no longer go to live in the household of one's in-laws on getting married
State.
The three-dimensionally shaped silk obtained to above-mentioned first embodiment to sixth embodiment carries out specimen sample, to these samples
Tested according to standard GB/T9341-2008.Sample is shaped as：It is long 80.00 millimeters（Mm), it is wide 10.00 millimeters（), mm it is thick
4.11 millimeter（mm).The speed of test sample uses linear velocity：10.0 mm/mins（mm/min).The span of test sample is
66 millimeters（mm）.
The test result of sample is as shown in the table：
| Test index | Provide load during degree of disturbing | Provide bending stress σ fc during degree of disturbing | Bending modulus Ef | Bending strain ε fM under bending strength | Bending strength σ fM |
| Unit | N | MPa | MPa | MPa | MPa |
| Average value | 9.293 | 6.969 | 642.120 | 0.142 | 6.995 |
Wherein, curve as shown in Figure 9 is also obtained in the sample of first embodiment, and curve shows stress with strain (hundred
Point ratio) variation tendency.
The three-dimensionally shaped silk that the utility model is provided, the bending strength of three-dimensionally shaped silk is more than 6.9MPa, so that real
The flexural deformation of metal matrix three-dimensional shaping silk is showed and will not fracture.
In other embodiments, three-dimensionally shaped silk of the present utility model does not include heat stabilizer, and still can
Utility model purpose of the present utility model is enough completed, that is, in the case of not comprising heat stabilizer, three-dimensionally shaped silk
Bending strength can reach requirement, be coiled on silk disk.
In other embodiments, the component of three-dimensionally shaped silk also includes magnetic material such as ferroso-ferric oxide, upper
In the manufacture method for stating three-dimensionally shaped silk, in preparation process and extrusion step, magnetic material powder is with other raw materials as glued
Tie agent etc. and add mixing together.The component of three-dimensionally shaped silk can also include colouring agent or dyestuff, to cause silk to have
Different colors.Pliability reinforcing agent is, for example, plasticizer, and plasticizer is, for example, phthalate（Or phthalate
Class is also known as phthalate ester）Compound, phthalate plasticiser includes：Phthalic acid two（2- ethyl hexyls）Ester
（DEHP）, di-n-octyl phthalate（DNOP or DnOP）, BBP(Butyl Benzyl Phthalate（BBP）, phthalic acid di-secondary it is pungent
Ester（DCP）, dicyclohexyl phthalate（DCHP）Deng.The utility model is further to the thing in the component of three-dimensionally shaped silk
The role of material or mechanism are set forth, but this mechanism of action does not play limitation to protection domain of the present utility model
Effect.Due to the density difference between metal material and binding agent farther out, therefore uniform mixed effect is hardly formed, and in group
In part can just good effect be played to the uniform mixing of raw material after increase dispersant.Metal material feed powder of the present utility model
Behind end and binding agent formation silk, because the fragility of this silk is larger, easily fractureed when bending, and in component
In add pliability reinforcing agent such as plasticizer after, its pliability or bending strength are improved, above-mentioned characterization result
It can illustrate.For three-dimensionally shaped silk of the present utility model, when its binding agent, plasticizer, dispersant use polymeric material
When, because the molecular weight of polymer molecule is a wider scope, this melting temperature that will result in three-dimensionally shaped silk goes out
Existing large range of fluctuation, such as melt temperature scope is added after heat stabilizer in 200 DEG C to 230 DEG C, can caused
The melting temperature of three-dimensionally shaped silk is limited in a less scope, such as between 200 DEG C to 205 DEG C.
Finally it should be noted that the utility model is not limited to above-mentioned embodiment, such as bending strength is more than
6.9MPa, bending strength is more than 6.5MPa design etc. also within claims of the present utility model.
Claims (6)
1. metal 3 D-printing device, it is characterised in that including：
Control device；
First platform, first platform receives the first control signal of the control device output, and first platform can edge
Vertical direction is moved, and first platform is used to carry moulding material, and the moulding material includes liquid photocurable material and gold
Belong to powder；
Scraper plate, the scraper plate receives the second control signal of the control device output, and the scraper plate can be moved in the horizontal direction；
Second platform, second platform receives the 3rd control signal of the control device output, and second platform can edge
Vertical direction is moved, and the moulding material can be delivered on second platform by the scraper plate from first platform；
Light emitting devices, the light emitting devices receives the 4th control signal of the control device output, the light transmitting dress
Setting in the top of second platform, the light emitting devices irradiates towards second platform;
Topping machanism, the topping machanism receives the 5th control signal of the control device output, and the topping machanism can be
Cutting movement is carried out on second platform.
2. metal 3 D-printing device according to claim 1, it is characterised in that：
The metal 3 D-printing device also includes cleaning device, the cleaning device be used for it is mobile on second platform and
Cleaning.
3. metal 3 D-printing device, it is characterised in that including：
Control device；
First platform, first platform receives the first control signal of the control device output, and first platform can edge
Vertical direction is moved, and first platform is used for bearing metal powder；
Scraper plate, the scraper plate receives the second control signal of the control device output, and the scraper plate can be moved in the horizontal direction；
Second platform, second platform receives the 3rd control signal of the control device output, and second platform can edge
Vertical direction is moved, and the metal dust from first platform can be delivered to second platform by the scraper plate；
Nozzle, the nozzle receives the 4th control signal of the control device output, and the nozzle is used for towards described second
Platform sprays liquid photocurable material；
Light emitting devices, the light emitting devices receives the 5th control signal of the control device output, the light transmitting dress
Setting in the top of second platform, the light emitting devices irradiates towards second platform；
Topping machanism, the topping machanism receives the 6th control signal of the control device output, and the topping machanism can be
Cutting movement is carried out on second platform.
4. metal 3 D-printing device according to claim 3, it is characterised in that：
The metal 3 D-printing device also includes cleaning device, the cleaning device be used for it is mobile on second platform and
Cleaning.
5. metal 3 D-printing device, it is characterised in that：
The metal 3 D-printing device includes print head assembly, molding seat, moving assembly, consumptive material feeding assembly and cutting dress
Put, the moving assembly is used to move the print head assembly, the consumptive material feeding assembly be used to driving the first moulding material and
Second moulding material is transported in the print head assembly, in first moulding material and second moulding material at least
One includes metal material and binding agent, and the print head assembly is used to extrude first moulding material on the molding seat
And/or second moulding material, the moving assembly is additionally operable to move the topping machanism to be cut on the molding seat
Cut.
6. metal 3 D-printing device according to claim 5, it is characterised in that：
The metal 3 D-printing device also includes cleaning device, and the moving assembly is additionally operable to move the cleaning device in institute
State and cleaned on molding seat.
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| CN201621327066.2U CN206356582U (en) | 2016-12-05 | 2016-12-05 | Metal 3 D-printing device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106513672A (en) * | 2016-12-05 | 2017-03-22 | 珠海天威飞马打印耗材有限公司 | Metal three-dimensional printing device and printing method thereof |
| CN111086212A (en) * | 2019-12-25 | 2020-05-01 | 杭州喜马拉雅信息科技有限公司 | Compound 3D beats printer head |
| CN111356962A (en) * | 2017-08-17 | 2020-06-30 | Eos有限公司电镀光纤系统 | Method and device for additive manufacturing of at least one component layer of a component, and storage medium |
| CN114378918A (en) * | 2022-01-21 | 2022-04-22 | 清华大学 | Additive manufacturing apparatus for ceramic and additive manufacturing method for ceramic |
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2016
- 2016-12-05 CN CN201621327066.2U patent/CN206356582U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106513672A (en) * | 2016-12-05 | 2017-03-22 | 珠海天威飞马打印耗材有限公司 | Metal three-dimensional printing device and printing method thereof |
| WO2018103529A1 (en) * | 2016-12-05 | 2018-06-14 | 珠海天威飞马打印耗材有限公司 | Metal three-dimensional printing device and printing method therefor |
| CN111356962A (en) * | 2017-08-17 | 2020-06-30 | Eos有限公司电镀光纤系统 | Method and device for additive manufacturing of at least one component layer of a component, and storage medium |
| CN111086212A (en) * | 2019-12-25 | 2020-05-01 | 杭州喜马拉雅信息科技有限公司 | Compound 3D beats printer head |
| CN114378918A (en) * | 2022-01-21 | 2022-04-22 | 清华大学 | Additive manufacturing apparatus for ceramic and additive manufacturing method for ceramic |
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