CN208288993U - 3D printer of compound heating - Google Patents
3D printer of compound heating Download PDFInfo
- Publication number
- CN208288993U CN208288993U CN201820687068.5U CN201820687068U CN208288993U CN 208288993 U CN208288993 U CN 208288993U CN 201820687068 U CN201820687068 U CN 201820687068U CN 208288993 U CN208288993 U CN 208288993U
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- Prior art keywords
- metal wire
- printer
- heating mechanism
- wire material
- straightener
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 67
- 150000001875 compounds Chemical class 0.000 title abstract 2
- 229910052751 metal Inorganic materials 0.000 claims abstract description 86
- 239000002184 metal Substances 0.000 claims abstract description 86
- 239000000463 material Substances 0.000 claims abstract description 79
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 29
- 239000002131 composite material Substances 0.000 claims description 19
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 15
- 238000010894 electron beam technology Methods 0.000 abstract description 4
- 239000011229 interlayer Substances 0.000 abstract description 4
- 238000004321 preservation Methods 0.000 abstract description 4
- 238000007493 shaping process Methods 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 5
- 238000000151 deposition Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 238000007639 printing Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000006263 metalation reaction Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Powder Metallurgy (AREA)
Abstract
The utility model belongs to the technical field of the metal parts shaping, a 3D printer of compound heating is disclosed. The 3D printer comprises a first heating mechanism and a second heating mechanism which are used for heating metal wire materials, the metal wire materials are sequentially heated by the first heating mechanism and the second heating mechanism, the first heating mechanism is an electromagnetic induction heating mechanism, and the second heating mechanism is a laser, an electron emitter or a plasma generator. The utility model has the advantages that the electromagnetic induction heat source is firstly utilized to heat the metal wire, so that the preheating and heat preservation effects are achieved, the temperature difference between the extruded metal wire and the metal wire which is not extruded is smaller, and the interlayer bonding performance of the metal wire is improved; and then the metal wire is further heated by high-energy-density heat sources such as laser beams and electron beams, so that the metal wire is ensured to have better interlayer combination effect, and the problem of poor interlayer combination effect of the formed part prepared by the existing single heat source printer is effectively solved.
Description
Technical field
The utility model relates to the molding technical field of metal parts more particularly to a kind of 3D printers of composite heating.
Background technique
Increasing material manufacturing (Additive Manufacture), is commonly called as 3D printing, with free forming, labyrinth object, contracting
The short sawn timber development cycle is dominant, automobile industry, aerospace industry, personalized consumption conduct industry, electronic circuit industry shadow
Ringing power increasingly enhances.Wherein the application of metal DIRECT ENERGY deposition technique (Direct Energy Deposition) is very wide
It is general, especially in the production of aerospace structural members and reparation field.
DIRECT ENERGY deposition 3D printer is mainly melted using the heating of the heat sources such as laser, electron beam and plasma arc at present
Change printing raw material, form the metal of solid-liquid state, these types of heating method needs high power, high-cost generator (as swashed
Light device), the required cost of electric energy and equipment cost are very high.And common DIRECT ENERGY deposition technique uses powdered original more
Material, preparation cost is high, and inflammable and explosive, is unfavorable for storing and transport.
Meanwhile in the case where using a kind of heat source merely, new molding one layer of solid-liquid state metal is directly plated in
On the preceding layer metallic surface cooled down, it can not be effectively combined between double layer of metal since the temperature difference is larger, so as to cause
Quantity of sintered parts is poor.
It would therefore be highly desirable to need a kind of 3D printer of NEW TYPE OF COMPOSITE heating to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of 3D printers of composite heating, existing using single source to solve
The bad problem of the Coating combination effect of the molded part of printer preparation.
For this purpose, the utility model uses following technical scheme:
A kind of 3D printer of composite heating, including the first heating mechanism and the second heater for heating metal wire material
Structure, metal wire material are successively heated by the first heating mechanism and the second heating mechanism, and the first heating mechanism is electromagnetic induction heating machine
Structure, the second heating mechanism are laser, electronic emitter or plasma generator.
Preferably, further including the straightener for aligning metal wire material, straightener includes existing for aligning metal wire material
First straightener of deformation and the second straightener for aligning metal wire material deformation in a second direction on first direction, first
Direction and second direction are vertical.
Preferably, the first straightener includes the first idler wheel of multiple shafts with first direction, the second straightener packet
The second idler wheel of multiple shafts with second direction is included, multiple first idler wheels are staggered in the two sides of metal wire material, multiple
Second idler wheel is staggered in the two sides of metal wire material.
Preferably, further including the coil of wire for storing metal wire material and for driving metal wire material by the coil of wire by aligning
The wire-feed motor of device.
Preferably, being successively arranged print head and print platform below wire-feed motor, metal wire material is sent into and is printed by wire-feed motor
In head.
Preferably, electromagnetic induction heating mechanism includes electromagnetic induction coil, electromagnetic induction coil is located at the end of print head
Portion.
Preferably, laser is set to the bottom of wire-feed motor when the second heating mechanism is laser, laser is launched
Laser beam be irradiated on the metal wire material below electromagnetic induction coil.
Preferably, further include for fixing the coil of wire, the straightener and the first support frame of the wire-feed motor, with
And the second support frame for fixing the electromagnetic induction heating mechanism and first support frame.
Preferably, second support frame is made of aluminum profile, and the bottom end of second support frame is equipped with multiple use
In the aluminum profile corner fittings of Auxiliary support.
Preferably, further including for driving the print platform to move horizontally the driving mechanism with vertical shift.
The utility model has the beneficial effects that
The present invention plays the effect of preheating and heat preservation, makes by heating first with electromagnetic induction heat source to metal wire material
The temperature difference of the metal wire material that must be squeezed out and the metal wire material not being extruded is smaller, improves the Coating combination of metal wire material
Energy；It recycles the high-energy densities such as laser beam and electron beam heat source further to heat metal wire material, ensure that metal wire material has
There is better Coating combination effect, to efficiently solve the interlayer knot of the existing molded part using the preparation of single source printer
Close the bad problem of effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the 3D printer of composite heating provided by the utility model；
Fig. 2 is the structural schematic diagram of the first support frame in Fig. 1；
Fig. 3 is the structural schematic diagram of driving mechanism in Fig. 1；
Fig. 4 is the partial schematic diagram of the 3D printer of composite heating of the invention；
Fig. 5 is the partial sectional view of Fig. 4.
In figure:
100, optical platform；200, driving mechanism；
1, the first support frame；2, the second support frame；21, corner fittings；
11, metal wire material；12, electromagnetic induction heating mechanism；13, laser；14, the coil of wire；15, straightener；16, wire feed
Machine；17, print platform；18, print platform bracket；19, sliding platform；121, electromagnetic induction coil；131, laser beam；161, it beats
Print head；151, the first straightener；152, the second straightener；
311, X is to linear motor；312, the first X is to slide unit；313, the 2nd X is to slide unit；321, Y-direction linear motor；322,Y
To slide unit；331, Z-direction linear motor；332, Z-direction slide unit；34, lead screw；35, linear guide.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1, a kind of 3D printer of composite heating provided by the invention, which includes the first support frame
1, the second support frame 2, optical platform 100 and driving mechanism 200, in which:
The first heating mechanism and the second heating mechanism for heating metal wire material 11 are installed on first support frame 1, gold
Belong to silk material 11 successively to be heated by the first heating mechanism and the second heating mechanism, in this embodiment, the first heating mechanism
Preferably electromagnetic induction heating mechanism 12, the second heating mechanism are preferably laser 13.The present invention passes through first with electromagnetic induction
Heat source heats metal wire material 11, plays the effect of preheating and heat preservation so that the metal wire material 11 squeezed out be not extruded
The temperature difference of metal wire material 11 is smaller, improves the Coating combination performance of metal wire material 11；Recycle laser beam to metal wire material
11 further heating, ensure that metal wire material 11 has better Coating combination effect, to efficiently solve existing using single
The bad problem of the Coating combination effect of the molded part of one heat source printer preparation.It is understood that having with laser beam same
Etc. ranks energy density heat source (i.e. high-energy density heat source) there are also the heat sources such as electron beam and plasma arc.Therefore, originally
In specific embodiment, laser 13 is not defined, can also be electronic emitter and plasma generator etc..
First support frame 1 is fixed on the second support frame 2, while electromagnetic induction heating mechanism 12 also is secured to the second support
On frame 2.The material of first support frame 1 and the second support frame 2 is preferably made of aluminum profile, i.e., save the cost can mitigate printing again
The self weight of machine.Further, the bottom end of the second support frame 2 is equipped with multiple aluminum profile corner fittings 21 for Auxiliary support, can be right
First support frame 1 and the second support frame 2 play the role of better Auxiliary support, even if printer is more stable, are not easy to shake.And
Second support frame 2 and driving mechanism 200 are fixedly arranged on optical platform 100, so that printer is more compact, are carried more square
Just.
As shown in Fig. 2, being fixedly provided with the coil of wire 14 for storing metal wire material 11 on the first support frame 1, for aligning gold
Belong to the straightener 15 of silk material 11 and the wire-feed motor 16 for driving metal wire material 11 to pass through straightener 15 by the coil of wire 14.The coil of wire 14 is received
When the metal wire material 11 received is carried over, metal wire material 11 the case where there are torsional deformations, and due in laser beam heats range set,
The deformation of metal wire material 11 is easy to influence the heating effect of laser beam.Also, in print procedure, it is solid that metal wire material 11 is in half
In the state of state (i.e. solid-liquid state), the position that metal wire material 11 is deposited in printing plane will receive the influence of its shape,
Straight metal wire material 11 is optimal material, and the metal wire material 11 of deformation is easy that workpiece is made to generate biggish error.Meanwhile
The metal wire material 11 of deformation will affect the performance of wire-feed motor 16, the situation for causing plug, wire feed length inaccurate.Therefore, pass through
Straightener 15 is added between the coil of wire 14 and wire-feed motor 16, can improve print quality.
Specifically, straightener 15 includes the first straightener 151 for aligning the deformation in a first direction of metal wire material 11
With the second straightener 152 for aligning the deformation in a second direction of metal wire material 11, first direction and second direction are vertical.More
For specifically, the first straightener 151 includes the first idler wheel of multiple shafts with first direction, the second straightener 152 includes
Second idler wheel of multiple shafts with second direction, multiple first idler wheels are staggered in the two sides of metal wire material 11, multiple
Second idler wheel is staggered in the two sides of metal wire material 11.By two groups of idler wheels composition of two-way (being mutually perpendicular to) is arranged first
Straightener 151 and the second straightener 152, so that being straightened from the metal wire material 11 that the coil of wire 14 is sent out, so as to improve print quality.
As shown in Figures 2 and 3, the 3D printer further include print platform 17 and for drive print platform 17 move horizontally and
The driving mechanism 200 of vertical shift (i.e. XYZ three-dimensional moves).Specifically, driving mechanism 200 is preferably motor driven, and including X
To linear motor 311, Y-direction linear motor 321 and Z-direction linear motor 331, each motor is respectively connected with lead screw 34 and linear guide
35 (lead screw 34 and linear guide 35 of Y-direction linear motor 321 and Z-direction linear motor 331 are not shown in Fig. 3).Wherein, X to
Linear motor 311, lead screw 34 and linear guide 35 are arranged in the first X on slide unit 312, go back in parallel with the first X to slide unit 312
Equipped with the 2nd X to slide unit 313, Y-direction linear motor 321, lead screw 34 and linear guide 35 are arranged on Y-direction slide unit 322, and Z-direction is straight
Line motor 331, lead screw 34 and linear guide 35 are arranged on Z-direction slide unit 332, and the 2nd X is used for Auxiliary support Y-direction to slide unit 313
Slide unit 322 and Z-direction slide unit 332, so that driving mechanism 200 is operably more steady.Specifically, print platform 17 is flat by printing
Platform bracket 18 is installed on sliding platform 19, and sliding platform 19 slides up and down on Z-direction slide unit 332 along linear guide 35.
As shown in Figure 4 and Figure 5, the lower section of wire-feed motor 16 is successively arranged print head 161 and print platform 17, and electromagnetic induction adds
Heat engine structure 12 includes electromagnetic induction coil 121, and electromagnetic induction coil 121 is located at the end of print head 161, and laser 13 is set to and send
The bottom of silk machine 16, the laser beam 131 that laser 13 is launched are irradiated to the metal wire material positioned at 121 lower section of electromagnetic induction coil
On 11, metal wire material 11 is sent into print head 161 by wire-feed motor 16, and the heating through electromagnetic induction coil 121 and laser beam 131 is made
With metal wire material 11 forms solid-liquid state metal and accumulation molding on print platform 17.The present invention is by utilizing wire
Material 11 is successively heated by electromagnetic induction heating mechanism 12 and laser 13, since electromagnetic induction heating sphere of action is big, may make
A certain range of metal wire material 11 can be heated, and play the effect of preheating and heat preservation, so that the metal wire material squeezed out
11 is smaller with the temperature difference for the metal wire material 11 not being extruded, and the Coating combination performance of metal wire material 11 is effectively promoted；And
Laser beam 131 not by electromagnetic field effects, more concentrate by heat effect, so that metal wire material 11 further heats, to guarantee
The Coating combination effect of molded part is more preferable.
A kind of course of work of the 3D printer of composite heating provided by the utility model is as follows:
(1) metal wire material 11 is sent into print head 161 by wire-feed motor 16；(2) metal wire material 11 passes through electromagnetic induction coil
121 alternating magnetic fields generated, so that the inside of metal wire material 11 generates vortex, metal wire material 11 is heated；(3) metal wire material 11
It is heated by the laser beam 131 that laser 13 issues；(4) metal wire material 11 switchs to solid-liquid state by solid-state, and in print platform
Stack shaping on 17.
In conclusion metal wire material 11 reaches straight state by straightener 15, wire-feed motor 16 is sent to electromagnetism sense
In the alternating magnetic field for answering coil 121 to generate, so that the inside of metal wire material 11 generates vortex, 11 inner high speed of metal wire material is random
The atom then moved produces amount of heat.Later, laser beam 131 is further to silk material 11 before will reaching print platform 17
Heating, metal wire material 11 is sent and stack shaping, due to the double action of electromagnetic induction coil 121 and laser beam 131, so that
Metal good combination between layers, forms that quality is good and complete metal parts.
Obviously, the above embodiments of the present invention is used for the purpose of clearly illustrating examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For the ordinary skill user of fields, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model claims.
Claims (10)
1. a kind of 3D printer of composite heating, which is characterized in that including the first heater for heating metal wire material (11)
Structure and the second heating mechanism, the metal wire material (11) are successively added by first heating mechanism and second heating mechanism
Heat, first heating mechanism are electromagnetic induction heating mechanism (12), and second heating mechanism is laser (13), electronics is sent out
Emitter or plasma generator.
2. the 3D printer of composite heating according to claim 1, which is characterized in that further include for aligning the metal
The straightener (15) of silk material (11), the straightener (15) include for aligning the metal wire material (11) shape in a first direction
The first straightener (151) become and the second straightener for aligning the metal wire material (11) deformation in a second direction
(152), the first direction and the second direction are vertical.
3. the 3D printer of composite heating according to claim 2, which is characterized in that the first straightener (151) packet
The first idler wheel of multiple shafts with first direction is included, second straightener (152) includes multiple with second direction
Second idler wheel of shaft, multiple first idler wheels are staggered in the two sides of the metal wire material (11), and multiple described second
Idler wheel is staggered in the two sides of the metal wire material (11).
4. the 3D printer of composite heating according to claim 2, which is characterized in that further include for storing the metal
The coil of wire (14) of silk material (11) and for driving the metal wire material (11) by the coil of wire (14) by the straightener (15)
Wire-feed motor (16).
5. the 3D printer of composite heating according to claim 4, which is characterized in that below the wire-feed motor (16) successively
Equipped with print head (161) and print platform (17), the metal wire material (11) are sent into the print head by the wire-feed motor (16)
(161) in.
6. the 3D printer of composite heating according to claim 5, which is characterized in that the electromagnetic induction heating mechanism
It (12) include electromagnetic induction coil (121), the electromagnetic induction coil (121) is located at the end of the print head (161).
7. the 3D printer of composite heating according to claim 6, which is characterized in that when second heating mechanism is institute
When stating laser (13), the laser (13) is set to the bottom of the wire-feed motor (16), what the laser (13) was launched
Laser beam (131) is irradiated on the metal wire material (11) below the electromagnetic induction coil (121).
8. the 3D printer of composite heating according to claim 4, which is characterized in that further include for fixing the coil of wire
(14), the first support frame (1) of the straightener (15) and the wire-feed motor (16), and add for fixing the electromagnetic induction
The second support frame (2) of heat engine structure (12) and first support frame (1).
9. the 3D printer of composite heating according to claim 8, which is characterized in that second support frame (2) is by aluminium
Profile is made, and the bottom end of second support frame (2) is equipped with multiple aluminum profile corner fittings (21) for Auxiliary support.
10. the 3D printer of composite heating according to claim 5, which is characterized in that further include for driving described beat
Print platform (17) moves horizontally and the driving mechanism of vertical shift (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820687068.5U CN208288993U (en) | 2018-05-09 | 2018-05-09 | 3D printer of compound heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820687068.5U CN208288993U (en) | 2018-05-09 | 2018-05-09 | 3D printer of compound heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208288993U true CN208288993U (en) | 2018-12-28 |
Family
ID=64704518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820687068.5U Expired - Fee Related CN208288993U (en) | 2018-05-09 | 2018-05-09 | 3D printer of compound heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208288993U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108380881A (en) * | 2018-05-09 | 2018-08-10 | 南方科技大学 | Composite heating 3D printer and 3D printing method |
| CN110216289A (en) * | 2019-07-23 | 2019-09-10 | 桂林理工大学 | A kind of preparation method of 3D metallic print machine and 3D printing metallic article |
-
2018
- 2018-05-09 CN CN201820687068.5U patent/CN208288993U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108380881A (en) * | 2018-05-09 | 2018-08-10 | 南方科技大学 | Composite heating 3D printer and 3D printing method |
| CN108380881B (en) * | 2018-05-09 | 2024-03-19 | 南方科技大学 | Composite heating 3D printer and 3D printing method |
| CN110216289A (en) * | 2019-07-23 | 2019-09-10 | 桂林理工大学 | A kind of preparation method of 3D metallic print machine and 3D printing metallic article |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181228 |