CN206689426U - A kind of lf deposition modeling device - Google Patents
A kind of lf deposition modeling device Download PDFInfo
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- CN206689426U CN206689426U CN201720392738.6U CN201720392738U CN206689426U CN 206689426 U CN206689426 U CN 206689426U CN 201720392738 U CN201720392738 U CN 201720392738U CN 206689426 U CN206689426 U CN 206689426U
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- silk material
- printing head
- composite printing
- carbon dioxide
- dioxide laser
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Abstract
The utility model discloses a kind of lf deposition modeling device；Including carbon dioxide laser generator, composite printing head, multichannel wire feeder；Carbon dioxide laser generator connects composite printing head by optical fiber, and forms light path with the mobile microscope group in it and focusing lens and be connected；The lower end of composite printing head is conical structure, and multiple silk material guide channels are distributed with along the periphery wall of conical structure；Silk material from multichannel wire feeder is penetrated in silk material guide channel；Thermal source of the carbon dioxide laser generator as melting silk material, laser spot focus on silk material end and melted；X, Y-direction motion carry composite printing head, by the silk material liquation after melting according to path planning fusion sediment on hott bed.The present apparatus organic combination carbon dioxide laser and composite printing head, silk material melting occur outside composite printing head, solve existing printhead and easily occur shower nozzle blocking in print procedure, the problems such as.
Description
Technical field
It the utility model is related to increasing material manufacturing 3D printing field, more particularly to a kind of lf deposition modeling device.
Background technology
Traditional nonmetallic desktop fusion sediment FDM operation principle is to be sent into wire stock by wire feed part to heat
Shower nozzle, then it is heated and melts in shower nozzle, shower nozzle moves along part section profile and filling track under computer, will
The material of half flow regime is sent to specified location and finally solidified, at the same with adjacent material bond, selective successively fusing with
Covering, ultimately forms finished product.Fused glass pellet is last century late nineteen eighties, the skill invented by Stratasys companies of the U.S.
Art.1992, Stratasys companies were proposed 3D printer of the First based on FDM technology in the world --- " 3D fashioners
(3DModeler) ", this also indicates that FDM technology steps into commercial stage.Domestic aspect, the research for FDM technology is most early in bag
Include Tsing-Hua University, Xi'an hands over big, Deng Jisuo colleges and universities of Central China University of Science and Technology to carry out, wherein the enterprise of Tsing-Hua University subordinate released in 2000
Commercial 3D printer based on FDM technology, in recent years also emerging Beijing, too more of three-dimensional etc. is first faced by 3D in generation, Hangzhou at that time
The commercialized enterprise of printer technology.
Its feature of FDM has that moulding material scope is wider, and the thermoplastic such as ABS, PLA, PC, PP can be used as FDM roads
The moulding material in footpath, it is easy to obtain, and cost is relatively low.Environmental pollution is smaller, and the molten of thermoplastic material is pertained only in whole process
Warm solidification, and carried out in the 3D printing room more closed, and it is not related to high temperature, high pressure, discharged without poisonous and harmful substance,
Therefore environment-friendly degree is higher.But also have the defects of relative, molding time be not easy it is long, due to shower nozzle motion be mechanical fortune
Dynamic, forming process medium velocity is subject to certain restrictions, therefore general molding time is longer, is unsuitable for manufacturing large component.Precision
Low, compared with other 3D printing paths, the finished product accuracy using FDM paths is relatively low, and there is obvious lines on surface.Need to prop up
Timbering material, need to add backing material in forming process, to be peeled off after the completion of printing, come for some complex components
Say, stripping has certain difficulty.Printhead easily blocks, and printhead tends to block in forming process, causes to shape
Journey is interrupted.
The content of the invention
The shortcomings that the purpose of this utility model is to overcome above-mentioned prior art and deficiency, there is provided one kind is simple in construction, adds
The lf deposition modeling device of work efficiency high.Solve existing printhead and easily occur shower nozzle blocking in print procedure, etc.
Problem.
The utility model is achieved through the following technical solutions：
A kind of lf deposition modeling device, including carbon dioxide laser generator 4, composite printing are first 1, multichannel wire feed
Mechanism 2, hott bed 6；First 1 inside of composite printing is cavity, is provided with mobile microscope group 8 and focusing lens 9 from top to bottom；It is described
Carbon dioxide laser generator 4 by optical fiber 7 connect composite printing first 1, and with the mobile microscope group 8 in it and the shape of focusing lens 9
Connected into light path；
The lower end of the composite printing first 1 is conical structure, and multiple silk materials are distributed with along the periphery wall of conical structure
Guide channel 10；Silk material 3 from multichannel wire feeder 2 is penetrated in silk material guide channel 10；Composite printing first 1 is transported by X, Y-direction
Motivation structure drives；Hott bed 6 is driven by Z-direction motion；
Carbon dioxide laser generator 4 as melting silk material 3 thermal source, laser spot focus on the end of silk material 3 and by its
Melting；X, Y-direction motion carries composite printing first 1, by the silk material liquation after melting according to path planning fusion sediment in heat
On bed 6.
It is outer on first 1 body of composite printing to be equipped with a regulation handle, for adjusting mobile microscope group 8 and focusing lens 9
Distance, and then change the size for the focus for focusing on silk material end.
The inner side of the lower end outlet of the silk material guide channel 10 is angle.
The quantity of the silk material guide channel 10 is 3 to 5, and its aperture is identical or different.
The operation method of the utility model lf deposition modeling device is as follows：
In print procedure, composite printing first 1 drives it to be transported in the X of path planning, Y-direction plane by X, Y-direction motion
It is dynamic；Hott bed 6 drives its up and down motion according to path planning by Z-direction motion；
Carbon dioxide laser generator 4 as melting silk material 3 thermal source, laser spot focus on the end of silk material 3 and by its
Melting；Silk material 3 is constantly delivered to silk material guide channel 10 by multichannel wire feeder 2, and X, Y-direction motion carry composite printing head
1, by the silk material liquation after melting according to path planning fusion sediment on hott bed 10；During fused glass pellet, often into
One layer of type, Z-direction motion decline a thickness, until the whole fused glass pellet of workpiece 5 according to path planning.
The utility model is had the following advantages and effect relative to prior art：
1st, the innovation on forming method：Traditional fusion sediment (FDM) former, the mode using heating shower nozzle make consumption
Material fusion sediment, need to wait shower nozzle heating before use, shower nozzle blocking easily occur in print procedure, wear and change troublesome
Easily there is the problem of wire drawing, fracture of wire in problem, consumptive material.The utility model uses carbon dioxide laser as heating source, silk material
Melting occurs outside composite printing head, and use incorporates multichannel wire feeder, can be consumed according to selection conveying is actually needed
Material way and by controlling laser beam foucing position, regulates and controls spot size, when ensureing working condition, the multichannel consumptive material of conveying is in light
In the range of spot, heating melting is carried out to consumptive material.
2nd, the progress on shaping efficiency：Compared with common single nozzle fused glass pellet equipment, the utility model uses
Multichannel wire feed composite printing head can realize efficiently printing inside multichannel wire feed Fast Filling, so as to accelerate forming efficiency；Together
When laser energy density concentrate, the characteristics of heat affected area is small, can melt consumptive material in the short period, thus can accelerate consumptive material conveying,
So as to accelerate molding rate.
3rd, the progress on forming technique：Multichannel wire feed composite printing head, not only efficiently, it may have multi-jet advantage.
While can realizing that single channel finely prints, multichannel wire feed composite printing head device can realize multi-color printing, colour mixture printing
Scheme, while Water Soluble Support consumptive material can be conveyed and solve the problem for removing support.
4th, the frontier of lf deposition (LFDM) is opened：The utility model provides new for fusion sediment technology
Developing direction, while solving some problems existing for conventional equipment, the more functions of new device are also gived, are molten
Thaw collapse product forming technique provides more may be with solving the method and thinking of problem.
Brief description of the drawings
Fig. 1 is the utility model lf deposition modeling device structural representation.
Fig. 2 is composite printing head front view；
Fig. 3 is composite printing head upward view；
Fig. 4 is the first-class axonometric drawing of composite printing.
Embodiment
The utility model is more specifically described in detail with reference to specific embodiment.
Embodiment
As shown in Figures 1 to 4.The utility model discloses a kind of lf deposition modeling device, including carbon dioxide to swash
Optical generator 4, composite printing are first 1, multichannel wire feeder 2, hott bed 6；First 1 inside of composite printing is cavity, from top to bottom
It is provided with mobile microscope group 8 and focusing lens 9；The carbon dioxide laser generator 4 connects composite printing first 1 by optical fiber 7, and
Light path is formed with the mobile microscope group 8 in it and focusing lens 9 to be connected；The lower end of the composite printing first 1 is conical structure, edge
Multiple silk material guide channels 10 are distributed with the periphery wall of conical structure；Silk material 3 (consumptive material) from multichannel wire feeder 2 penetrates
In silk material guide channel 10；Conical structure ensures that the silk material that each silk material guide channel 10 exports is poly- to laser optical path passage centre
Collection is neat.
Composite printing first 1 is driven by X, Y-direction motion；Hott bed 6 is driven by Z-direction motion；
Carbon dioxide laser generator 4 as melting silk material 3 thermal source, laser spot focus on the end of silk material 3 and by its
Melting；X, Y-direction motion carries composite printing first 1, by the silk material liquation after melting according to path planning fusion sediment in heat
On bed 6.
It is outer on first 1 body of composite printing to be equipped with a regulation handle, for adjusting mobile microscope group 8 and focusing lens 9
Distance, and then change the size for the focus for focusing on silk material end, to ensure to make whole in the light path size that consumptive material aggregation is located together
Consumptive material is able to melt shaping.
The inner side of the lower end outlet of the silk material guide channel 10 is angle.The quantity of the silk material guide channel 10 is 3
To 5, its aperture is identical or different, can convey a variety of different colours, varying number, variety classes according to being actually needed
Silk material (consumption consumption).
At work, multichannel wire feeder 2 runs corresponding extruder, to obtain required consumptive material according to the control of system.
Multichannel wire feeder 2 conveys a variety of different colours, varying number, different types of consumptive material according to different situations.
When printing thin-walled and fine structure, consumptive material can be conveyed from single nozzle；, can be simultaneously defeated from more shower nozzles when printing large area filling
The consumptive material being relatively large in diameter is sent, accelerates print speed；According to the needs of printout color, the consumptive material of different colours can be conveyed；
During printing support, switching material makes shower nozzle convey Water Soluble Support consumptive material, facilitates post-processing to remove support.
During the lf deposition modeling of reality, before printing starts, first the file data for the part finished is led
Enter former control system.According to the needs of actual forming part, respective color species is installed in multichannel wire feeder 2
Consumptive material, adjust coordinate value, leveling hott bed 6 is simultaneously heated, without heating composite printing head, ready-to-print.
In print procedure, hott bed 6 is by straight line screw mandrel module, and under motor driving, the motion in Z-direction is compound to beat
Driving of the head by line slideway and motor is printed, the movement in X-axis, Y direction is realized, is successively molded.According to
Selection conveying consumptive material way and the distance by adjusting mobile microscope group and amasthenic lens are actually needed, adjusts laser beam foucing position,
Regulate and control spot size, when ensureing working condition, the multichannel consumptive material of conveying carries out heating melting in the range of hot spot, to consumptive material.It is multiple
Printhead is closed under the control of system, multi-color printing, colour mixture printing, monochromatic printing etc. can be achieved；If desired during printing support, then
Water-soluble support materials can be conveyed；When printing thin-walled or other fine structures, finely printed using single injector；Filled out if printing is internal
When filling, can multichannel wire feed to improve efficiency.
Shaping terminates, and hott bed 6 returns origin, and printout is removed from hott bed 6, is removed Water Soluble Support, at surface
The post-processings such as reason, complete shaping work.
As described above, it can preferably realize the utility model.
Embodiment of the present utility model is simultaneously not restricted to the described embodiments, and other are any without departing from of the present utility model
Spirit Essence with made under principle change, modification, replacement, combine, simplification, should be equivalent substitute mode, be included in
Within the scope of protection of the utility model.
Claims (4)
- A kind of 1. lf deposition modeling device, it is characterised in that：Including carbon dioxide laser generator (4), composite printing Head (1), multichannel wire feeder (2), hott bed (6)；It is cavity that the composite printing head (1) is internal, is provided with movement from top to bottom Microscope group (8) and focusing lens (9)；The carbon dioxide laser generator (4) connects composite printing head (1) by optical fiber (7), and Light path is formed with the mobile microscope group (8) in it and focusing lens (9) to be connected；The lower end of the composite printing head (1) is conical structure, and multiple silk materials, which are distributed with, along the periphery wall of conical structure leads To passage (10)；Silk material (3) from multichannel wire feeder (2) is penetrated in silk material guide channel (10)；Composite printing head (1) by X, Y-direction motion drives；Hott bed (6) is driven by Z-direction motion；Thermal source of the carbon dioxide laser generator (4) as melting silk material (3), laser spot focus on silk material (3) end and will It is melted；X, Y-direction motion carries composite printing head (1), by the silk material liquation after melting according to path planning fusion sediment On hott bed (6).
- 2. lf deposition modeling device according to claim 1, it is characterised in that：Composite printing head (1) body A regulation handle is equipped with outside upper, for adjusting the distance of mobile microscope group (8) and focusing lens (9), and then changes and focuses on silk material The size of the focus of end.
- 3. lf deposition modeling device according to claim 1, it is characterised in that：The silk material guide channel (10) The inner side of lower end outlet is angle.
- 4. lf deposition modeling device according to claim 1, it is characterised in that：The silk material guide channel (10) Quantity is 3 to 5, and its aperture is identical or different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720392738.6U CN206689426U (en) | 2017-04-14 | 2017-04-14 | A kind of lf deposition modeling device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720392738.6U CN206689426U (en) | 2017-04-14 | 2017-04-14 | A kind of lf deposition modeling device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975750A (en) * | 2017-04-14 | 2017-07-25 | 华南理工大学 | A kind of lf deposition modeling device and its operation method |
| CN108454099A (en) * | 2018-02-13 | 2018-08-28 | 大连派思益科技有限公司 | The more material lasers of polychrome cure Phthalazinone polyaryl ether-nitrile-sulfone ketone printer |
| CN110340352A (en) * | 2019-07-02 | 2019-10-18 | 宁波哈勒姆电子科技有限公司 | A kind of quick increasing material manufacturing equipment of metal wire material and its manufacturing method |
-
2017
- 2017-04-14 CN CN201720392738.6U patent/CN206689426U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975750A (en) * | 2017-04-14 | 2017-07-25 | 华南理工大学 | A kind of lf deposition modeling device and its operation method |
| CN108454099A (en) * | 2018-02-13 | 2018-08-28 | 大连派思益科技有限公司 | The more material lasers of polychrome cure Phthalazinone polyaryl ether-nitrile-sulfone ketone printer |
| CN110340352A (en) * | 2019-07-02 | 2019-10-18 | 宁波哈勒姆电子科技有限公司 | A kind of quick increasing material manufacturing equipment of metal wire material and its manufacturing method |
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