CN207028180U - A kind of multichannel wire feed lf deposits LFDM shaped devices - Google Patents
A kind of multichannel wire feed lf deposits LFDM shaped devices Download PDFInfo
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- CN207028180U CN207028180U CN201720393149.XU CN201720393149U CN207028180U CN 207028180 U CN207028180 U CN 207028180U CN 201720393149 U CN201720393149 U CN 201720393149U CN 207028180 U CN207028180 U CN 207028180U
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Abstract
The utility model discloses a kind of multichannel wire feed lf to deposit LFDM shaped devices；Including wire feeding mouth, laser head, the carbon dioxide laser being made up of multi-filament material conveyance conduit；Wire feeding mouth is fixed together with laser head by connector, forms composite printing head；Steering wheel is installed on connector, to increase the free degree of composite printing head；Laser head can launch rectangular laser beam, by the laterally emitted of laser head, and irradiate the end that corresponding silk material outside wire feeding mouth is stretched out in covering, it is melted；The present apparatus is on the basis of conventional melt deposition technique, develop lf deposition technique, while solving some problems existing for conventional equipment, the more functions of new device are also gived, being provided for fused glass pellet technology more may be with solving the method and thinking of problem.Yi word pattern multichannel wire feed simultaneously, also provide a kind of effective more conveyance conduit arrangement modes.
Description
Technical field
The print member of increasing material manufacturing 3D printing equipment is the utility model is related to, more particularly to a kind of multichannel wire feed laser melts
Thaw collapse accumulates LFDM shaped devices.
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 a kind of simple in construction, fortune
The reliable multichannel wire feed lf deposition LFDM shaped devices of row.The utility model laser energy density is concentrated, heat affected area
The characteristics of small, can melt consumptive material in the short period, thus can accelerate consumptive material conveying, so as to accelerate molding rate.By multi-filament material
The yi word pattern multichannel wire feed composite printing that conveyance conduit is formed, it is possible to achieve multi-color printing, colour mixture printing, while can convey water-soluble
Property support consumptive material solve remove support problem.Composite printing head can realize single channel, and finely printing and multichannel wire feed are quickly filled out
Internal efficiently printing is filled, so as to accelerate forming efficiency.Because shower nozzle need not be heated, molding time is saved, and silk material is melted in
Outside composite printing head, solves the problems such as shower nozzle blocking, fracture of wire.
The utility model is achieved through the following technical solutions：
A kind of multichannel wire feed lf deposits LFDM shaped devices, including is sent by what multi-filament material conveyance conduit 7 was formed
Silk mouth 1, the wire-feed motor 12 that silk material is transported to silk material conveyance conduit 7, laser head 2, the carbon dioxide laser being connected with laser head 2
Device 8；
The wire feeding mouth 1 is fixed together with laser head 2 by connector, forms composite printing head；Pacify on connector
Equipped with steering wheel 6, to increase the free degree of composite printing head；The laser head 2 can launch rectangular laser beam, by the side of laser head 2
To injection, and the end that the corresponding silk material in the outside of wire feeding mouth 1 is stretched out in covering is irradiated, it is melted；
When multi-filament material conveyance conduit 7 works simultaneously, by controlling steering wheel 6 composite printing head is turned to printing path
Required angle, the silk material for avoiding each silk material conveyance conduit 7 from melting overlap accumulation.
The inside itself of the laser head 2 and under be disposed with mobile microscope group 5, focusing lens 4, level crossing 3；Pass through tune
Section mobile the distance between microscope group 5 and focusing lens 4, the size of adjustable laser beam hot spot, it is anti-that laser beam occurs for level crossing 3
From the laterally emitted of laser head 2 after penetrating, irradiation, which is covered in, exposes in the corresponding silk material in the outside of wire feeding mouth 1, and it is melted.
The multi-filament material conveyance conduit 7 arranges in yi word pattern.
The composite printing head carries it by drive mechanism and moved in XY direction of principal axis；Hott bed 10 below composite printing head by
Screw body drives it to be moved in Z-direction.
The wire-feed motor 12 uses respective numbers by the way of long-range wire feed, and according to the way of conveying silk material.
The operation method of the multichannel wire feed lf deposition LFDM shaped devices is as follows：
Silk material transports step：Corresponding silk material is delivered to wire feeding mouth 1 by wire-feed motor 12 according to instruction；
Composite printing head movement step：Composite printing head is carried by drive mechanism and according to path planning in XY direction of principal axis
It is mobile, to be successively molded to workpiece 9；
The job step of laser head 2：Heating source of the carbon dioxide laser 8 as silk material；By adjusting the mobile He of microscope group 5
The distance between focusing lens 4, the size of adjustable laser beam hot spot, level crossing 3 make laser beam reflect after from laser head 2
It is laterally emitted, irradiation, which is covered in, exposes in the corresponding silk material in the outside of wire feeding mouth 1, and it is melted；
It is molded end step：Hott bed 10 returns origin, and workpiece 9 is removed from hott bed 10, is removed Water Soluble Support, table
The post-processings such as face processing, complete shaping work.
The utility model is had the following advantages and effect relative to prior art：
1. 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；Because silk material heating and melting inside printhead, in print procedure easily
There is shower nozzle to block, the problem of wearing and change trouble, the problem of wire drawing, fracture of wire easily occurs in consumptive material.The utility model wire feed
Mouth using yi word pattern arrangement multi-filament material conveyance conduit form, by multiple consumptive material conveyance conduits in the way of laid out in parallel it is whole
It is combined together, and incorporates the carbon dioxide laser head that can launch rectangular laser light beam.Substituted by carbon dioxide laser and passed
System electrical heating thermal source, the rectangular laser beam of flat-top uniform energy density adjust beam size by negative focusing mode, finally reflected
Corresponding different wire feed way.It is as needed during printing, it can control one or more consumptive material to melt accumulation under laser heat source,
Realize efficiently printing.
2. the progress on shaping efficiency：Compared with common single nozzle fused glass pellet equipment, the utility model uses
Printhead with multiple yi word patterns arrangement conveyance conduit, it is possible to achieve efficiently printing inside multichannel wire feed Fast Filling, so as to
Accelerate forming efficiency；The characteristics of laser energy density is concentrated simultaneously, and heat affected area is small can melt consumptive material in the short period, thus
Consumptive material conveying can be accelerated, so as to accelerate molding rate.
3. the progress on forming technique：Yi word pattern multichannel wire feed, not only efficiently, it may have multiinjector printhead is distinctive excellent
Point.While can realize that single channel finely prints, it is possible to achieve multi-color printing, the scheme of colour mixture printing, while water can be conveyed
Dissolubility support consumptive material solves the problem for removing support.
4. lf deposition (LFDM) technology is developed：The utility model is opened on the basis of conventional melt deposition technique
Lf deposition technique has been sent out, while solving some problems existing for conventional equipment, has also gived new device more
More functions, being provided for fused glass pellet technology more may be with solving the method and thinking of problem.Yi word pattern simultaneously
Multichannel wire feed, also provide a kind of effective more conveyance conduit arrangement modes.
Brief description of the drawings
Fig. 1 is that the utility model multichannel wire feed lf deposits LFDM shaped device structural representations.
Fig. 2 is composite printing head front view.
Fig. 3 is composite printing head right view.
Fig. 4 is composite printing head upward view.
Fig. 5 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 Fig. 1 to 5.The utility model discloses a kind of multichannel wire feed lf to deposit LFDM shaped devices, bag
Include the wire feeding mouth 1 being made up of multi-filament material conveyance conduit 7, silk material is transported to wire-feed motor 12, the laser head of silk material conveyance conduit 7
2nd, the carbon dioxide laser 8 being connected with laser head 2；
The wire feeding mouth 1 is fixed together with laser head 2 by connector, forms composite printing head；Pacify on connector
Equipped with steering wheel 6, to increase the free degree of composite printing head；The laser head 2 can launch rectangular laser beam, by the side of laser head 2
To injection, and the end that the corresponding silk material 11 (consumptive material) in the outside of wire feeding mouth 1 is stretched out in covering is irradiated, it is melted；
When multi-filament material conveyance conduit 7 works simultaneously, by controlling steering wheel 6 composite printing head is turned to printing path
Required angle, the silk material for avoiding each silk material conveyance conduit 7 from melting overlap accumulation.
The inside itself of the laser head 2 and under be disposed with mobile microscope group 5, focusing lens 4, level crossing 3；Pass through tune
Section mobile the distance between microscope group 5 and focusing lens 4, the size of adjustable laser beam hot spot, it is anti-that laser beam occurs for level crossing 3
From the laterally emitted of laser head 2 after penetrating, irradiation, which is covered in, exposes in the corresponding silk material in the outside of wire feeding mouth 1, and it is melted.
The multi-filament material conveyance conduit 7 arranges in yi word pattern.A variety of different colours can be conveyed according to being actually needed, it is different
Quantity, different types of silk material 11.
A variety of different colours can be conveyed according to following different situations, varying number, different types of consumptive material, select equipment fortune
The quantity of silk material conveyance conduit and consumptive material species during row：, can be from single silk material delivery pipe when printing thin-walled and fine structure
Road conveys consumptive material；When printing large area filling, can be added by multi-filament material conveyance conduit while the larger consumptive material of delivery diameter
Fast print speed；According to the needs of printout color, the consumptive material of different colours can be conveyed；When printing support, switching material
Shower nozzle is conveyed Water Soluble Support consumptive material, facilitate post-processing to remove support.
The composite printing head carries it by drive mechanism and moved in XY direction of principal axis；Hott bed 10 below composite printing head by
Screw body drives it to be moved in Z-direction.
The wire-feed motor 12 uses respective numbers by the way of long-range wire feed, and according to the way of conveying silk material.
During the lf deposition modeling of reality, before printing starts, first mould is imported in corresponding Slice Software
Type file carries out section programming, and the program finished is imported into former control system.According to the needs of actual forming part,
The consumptive material of respective color species is installed, adjusts coordinate value, leveling hott bed 10 is simultaneously heated, accurate without heating printhead
Standby printing.
Corresponding silk material is delivered to wire feeding mouth 1 by wire-feed motor 12 according to instruction；
Composite printing head is carried by drive mechanism and moved according to path planning in XY direction of principal axis, successively to enter to workpiece 9
Row shaping；
Heating source of the carbon dioxide laser 8 as silk material；By adjust between mobile microscope group 5 and focusing lens 4 away from
From, the size of adjustable laser beam hot spot, level crossing 3 make laser beam reflect after from the laterally emitted of laser head 2, irradiation is covered
Cover on the corresponding silk material in the outside of wire feeding mouth 1 is exposed, it is melted；
Shaping terminates, and hott bed 10 returns origin, and workpiece 9 is removed from hott bed 10, 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 (5)
1. a kind of multichannel wire feed lf deposits LFDM shaped devices, it is characterised in that：Including by multi-filament material conveyance conduit
(7) wire feeding mouth (1) that forms, wire-feed motor (12), laser head (2) and the laser head that silk material is transported to silk material conveyance conduit (7)
(2) carbon dioxide laser (8) of connection；
The wire feeding mouth (1) is fixed together with laser head (2) by connector, forms composite printing head；Pacify on connector
Equipped with steering wheel (6), to increase the free degree of composite printing head；The laser head (2) can launch rectangular laser beam, by laser head
(2) laterally emitted, and the end that the outside corresponding silk material of wire feeding mouth (1) is stretched out in covering is irradiated, it is melted；
In multi-filament material conveyance conduit (7) while when working, by controlling steering wheel (6) composite printing head is turned to printing path
Required angle, the silk material of each silk material conveyance conduit (7) melting is avoided to overlap accumulation.
2. multichannel wire feed lf deposition LFDM shaped devices according to claim 1, it is characterised in that：The laser head
(2) inside itself and under be disposed with mobile microscope group (5), focusing lens (4), level crossing (3)；By adjusting mobile microscope group
(5) and the distance between focusing lens (4), the size of adjustable laser beam hot spot, after level crossing (3) reflects laser beam
From the laterally emitted of laser head (2), irradiation, which is covered in, exposes in the outside corresponding silk material of wire feeding mouth (1), and it is melted.
3. multichannel wire feed lf deposition LFDM shaped devices according to claim 1, it is characterised in that：The multi-filament
Material conveyance conduit (7) arranges in yi word pattern.
4. multichannel wire feed lf deposits LFDM shaped devices according to any one of claims 1 to 3, its feature exists
In：The composite printing head carries it by drive mechanism and moved in XY direction of principal axis；Hott bed (10) below composite printing head is by silk
Linkage drives it to be moved in Z-direction.
5. multichannel wire feed lf deposition LFDM shaped devices according to claim 4, it is characterised in that：The wire-feed motor
(12) by the way of long-range wire feed, and respective numbers are used according to the way of conveying silk material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720393149.XU CN207028180U (en) | 2017-04-14 | 2017-04-14 | A kind of multichannel wire feed lf deposits LFDM shaped devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720393149.XU CN207028180U (en) | 2017-04-14 | 2017-04-14 | A kind of multichannel wire feed lf deposits LFDM shaped devices |
Publications (1)
| Publication Number | Publication Date |
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| CN207028180U true CN207028180U (en) | 2018-02-23 |
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ID=61478718
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106926447A (en) * | 2017-04-14 | 2017-07-07 | 华南理工大学 | A kind of multichannel wire feed lf deposits LFDM shaped devices and method |
| CN109130170A (en) * | 2018-07-28 | 2019-01-04 | 华中科技大学 | A kind of more materials increase and decrease material combined shaping system and methods of polymer |
| DE102018100051A1 (en) * | 2018-01-03 | 2019-07-04 | Gabriele Schramm | Process for processing thermoplastic material |
| US11110663B2 (en) * | 2018-07-28 | 2021-09-07 | Huazhong University Of Science And Technology | Polymer multi-material high-flexibility laser additive manufacturing system and method thereof |
| CN113699525A (en) * | 2021-07-29 | 2021-11-26 | 陕西中科中美激光科技有限公司 | Multi-beam wire feeding laser cladding device surrounding center |
| DE102020206541A1 (en) | 2020-05-26 | 2021-12-02 | Ford Global Technologies, Llc | System for additive manufacturing of components |
-
2017
- 2017-04-14 CN CN201720393149.XU patent/CN207028180U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106926447A (en) * | 2017-04-14 | 2017-07-07 | 华南理工大学 | A kind of multichannel wire feed lf deposits LFDM shaped devices and method |
| DE102018100051A1 (en) * | 2018-01-03 | 2019-07-04 | Gabriele Schramm | Process for processing thermoplastic material |
| CN109130170A (en) * | 2018-07-28 | 2019-01-04 | 华中科技大学 | A kind of more materials increase and decrease material combined shaping system and methods of polymer |
| US11110663B2 (en) * | 2018-07-28 | 2021-09-07 | Huazhong University Of Science And Technology | Polymer multi-material high-flexibility laser additive manufacturing system and method thereof |
| DE102020206541A1 (en) | 2020-05-26 | 2021-12-02 | Ford Global Technologies, Llc | System for additive manufacturing of components |
| CN113699525A (en) * | 2021-07-29 | 2021-11-26 | 陕西中科中美激光科技有限公司 | Multi-beam wire feeding laser cladding device surrounding center |
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