CN207692083U - A kind of substrate heating system for SLM and SLS 3D printings - Google Patents
A kind of substrate heating system for SLM and SLS 3D printings Download PDFInfo
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- CN207692083U CN207692083U CN201721378894.3U CN201721378894U CN207692083U CN 207692083 U CN207692083 U CN 207692083U CN 201721378894 U CN201721378894 U CN 201721378894U CN 207692083 U CN207692083 U CN 207692083U
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- electromagnetic heating
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- supporting plate
- pedestal
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Abstract
A kind of substrate heating system for SLM and SLS 3D printings, it include the supporting plate in moulding cylinder, supporting plate is installed above substrate, it is connected with groove below supporting plate, the electromagnetic heating coil and supporting plate installed in the inner cavity of groove form electromagnetic induction, it is connected by sealing ring and moulding cylinder on the outside of groove, it is taken a breath by the air inlet pipe that is connected on groove, escape pipe inner cavity, groove is connected with jacking system, electromagnetic heating coil is connected by the output of cable and electromagnetic heating controller, and electromagnetic heating controller is communicated by connection and host computer；The electromagnetic heating coil includes pedestal, and pedestal center is equipped with thermistor, and disk has coil on pedestal, and magnetic separator is equipped between coil and pedestal, and magnetic separator is embedded in pedestal, and coil, thermistor are connect by cable with electromagnetic heating controller；The utility model uses electromagnetic heating, has the advantages that heating speed is fast, capacity usage ratio is high, safe, small.
Description
Technical field
The utility model is related to SLM (selective laser melting) and SLS (selective laser sintering) 3D printing technique field,
More particularly to a kind of substrate heating system for SLM and SLS 3D printings.
Background technology
It, can be certain to substrate heating in SLM (selective laser melting) and SLS (selective laser sintering) 3D printing
The buckling deformation of part is solved the problems, such as in degree, promotes Forming Quality.The heating of SLM and SLS 3D printers substrate at present is always
By the way of Resistant heating, resistance wire, which is powered, generates heat, and heat transfer is to the supporting plate of bearing substrate, the raising of supporting plate temperature
Substrate is transferred heat to, the efficiency of heating surface is low, and capacity usage ratio is low；Resistance wire can reach 600 as heat source, heating temperature
DEG C, resistance wire is red toast state at this time, there is the danger that fire occurs；Since resistance wire exposure very likely makes machine in a groove
Electrification occurs short circuit, therefore resistance wire is encapsulated in ceramic material, so volume is larger, this more reduces the efficiency of heating surface.
Invention content
In order to overcome the disadvantages of the above prior art, the purpose of this utility model is to provide one kind being used for SLM and SLS
The substrate heating system of 3D printing, using electromagnetic induction heating, with heating speed is fast, capacity usage ratio is high, safe, small
The advantages of.
In order to achieve the above object, the technical scheme adopted by the utility model is that：
A kind of substrate heating system for SLM and SLS 3D printings includes the supporting plate 2 in moulding cylinder 1, supporting plate 2
It is installed above to there is substrate 3, supporting plate 2 to be connected below with groove 6, the electromagnetic heating coil 5 and supporting plate 2 installed in the inner cavity 9 of groove 6
Form electromagnetic induction, the outside of groove 6 is connected by sealing ring 7 and moulding cylinder 1, inner cavity 9 by connected on groove 6 into
Tracheae 8, escape pipe 10 are taken a breath, and groove 6 and jacking system 11 connect, and electromagnetic heating coil 5 is added by cable 12 with electromagnetism
The output of heat controller 13 connects, and electromagnetic heating controller 13 is communicated by connection 14 and host computer 15.
The electromagnetic heating coil 5 includes pedestal 5-1, and the centers pedestal 5-1 are equipped with thermistor 5-4, on pedestal 5-1
Disk has coil 5-2, and magnetic separator 5-3 is equipped between coil 5-2 and pedestal 5-1, and magnetic separator 5-3 is embedded in pedestal 5-1,
Coil 5-2, thermistor 5-4 are connect by cable 12 with electromagnetic heating controller 13.
Heat-barrier material 4 is installed, heat-barrier material 4 is in groove 6 between the electromagnetic heating coil 5 and supporting plate 2.
The beneficial effects of the utility model are：
Since the utility model uses electromagnetic heating, electromagnetic heating coil 5 to make supporting plate 2 from interior by way of electromagnetic induction
Portion generates heat, and supporting plate 2 transfers heat to substrate 3 after generating heat, and reduces a heat transfer process, reduces volume, heating speed
Soon, capacity usage ratio is improved；Coil heating is less, avoids the danger that fire occurs；Therefore the utility model has heating speed
The advantage that degree is fast, capacity usage ratio is high, safe, small.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structure sectional view of the utility model electromagnetic heating coil 5.
Specific implementation mode
The utility model is described in detail below in conjunction with the accompanying drawings.
Referring to Fig.1, a kind of substrate heating system for SLM and SLS 3D printings includes the support in moulding cylinder 1
Plate 2, supporting plate 2 is installed above to have substrate 3, supporting plate 2 to be connected with below with groove 6, the electromagnetism installed in the inner cavity 9 of groove 6
Heating coil 5 and supporting plate 2 form electromagnetic induction, and heat-barrier material 4, heat-barrier material are equipped between electromagnetic heating coil 5 and supporting plate 2
4 in the groove 6, and 6 outside of groove is connected by sealing ring 7 and moulding cylinder 1, and inner cavity 9 passes through the air inlet that is connected on groove 6
Pipe 8, escape pipe 10 are taken a breath, and air inlet pipe 8 gives the supply of inner cavity 9 dry cold air, and heated gas is discharged from escape pipe 10, groove
6 and jacking system 11 connect, do piston motion under the drive of jacking system 11, electromagnetic heating coil 5 passes through cable 12 and electricity
The output of magnetic heating controller 13 connects, and electromagnetic heating controller 13 is communicated by connection 14 and host computer 15.
With reference to Fig. 2, the electromagnetic heating coil 5 includes pedestal 5-1, and the centers pedestal 5-1 are equipped with thermistor 5-4,
Disk has coil 5-2 on pedestal 5-1, and magnetic separator 5-3 is equipped between coil 5-2 and pedestal 5-1, and magnetic separator 5-3 is embedded in
In pedestal 5-1, coil 5-2, thermistor 5-4 are connect by cable 12 with electromagnetic heating controller 13.
A kind of heating means of substrate heating system for SLM and SLS 3D printings, include the following steps：
The first step：According to technological requirement, the setting value of 3 heating temperature of substrate is sent to by host computer 15 by connection 14
Electromagnetic heating controller 13；
Second step：The electric power input of electromagnetic heating controller 13 is single-phase alternating current (220V, 50Hz), electromagnetic heating control
Single-phase alternating current (220V, 50Hz) is switched to high-frequency electrical (20kHz or so) by device 13, and electromagnetic heating controller 13 supplies coil 5-2
High frequency electric source (20kHz or so)；
Third walks：Coil 5-2 makes supporting plate 2 from inner heat by way of electromagnetic induction；
4th step：Supporting plate 2 transfers heat to substrate 3, achievees the purpose that heat to substrate 3；
5th step：Electromagnetic heating controller 13 is by real-time 2 actual temperatures of supporting plate of thermistor 5-4, according to actual temperature
The air inflow for adjusting dry cold air in air inlet pipe 8, prevents electromagnetic heating coil 5 from overheating；
6th step：Electromagnetic heating controller 13 is by comparing the deviation of the target temperature and practical heating temperature of supporting plate 2, reality
When adjust electromagnetic heating controller 13 power, realize closed-loop control；
7th step：2 Current Temperatures of supporting plate are sent to host computer 15 by electromagnetic heating controller 13 by connection 10；
8th step：It repeats Step 3: four, five, six, seven, eight, nine, until reaching target temperature；
9th step：After supporting plate 2 reaches target temperature, 3D printing process can be started, and continue repeat three, four, five, six, seven,
Eight, nine step keeps heating temperature, until print procedure terminates；
Tenth step：After printing process, according to technological requirement, substrate heating system is closed.
Claims (3)
1. a kind of substrate heating system for SLM and SLS 3D printings, including the supporting plate (2) that is located in moulding cylinder (1), it is special
Sign is：Supporting plate (2) is installed above to have substrate (3), supporting plate (2) to be connected below with groove (6), peace in the inner cavity (9) of groove (6)
The electromagnetic heating coil (5) and supporting plate (2) of dress form electromagnetic induction, pass through sealing ring (7) and moulding cylinder (1) on the outside of groove (6)
It is connected, inner cavity (9) are taken a breath by the air inlet pipe (8) that is connected on groove (6), escape pipe (10), groove (6) and lifting
System (11) connects, and electromagnetic heating coil (5) is connect by cable (12) with the output of electromagnetic heating controller (13), and electromagnetism adds
Heat controller (13) is communicated by connection (14) and host computer (15).
2. a kind of substrate heating system for SLM and SLS 3D printings according to claim 1, it is characterised in that：Institute
The electromagnetic heating coil (5) stated includes pedestal (5-1), and the center pedestal (5-1) is equipped with thermistor (5-4), on pedestal (5-1)
Disk has coil (5-2), and magnetic separator (5-3) is equipped between coil (5-2) and pedestal (5-1), and magnetic separator (5-3) is embedded in
In pedestal (5-1), coil (5-2), thermistor (5-4) are connect by cable (12) with electromagnetic heating controller (13).
3. a kind of substrate heating system for SLM and SLS 3D printings according to claim 1, it is characterised in that：Institute
Heat-barrier material (4) is equipped between the electromagnetic heating coil (5) stated and supporting plate (2), heat-barrier material (4) is in groove (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721378894.3U CN207692083U (en) | 2017-10-24 | 2017-10-24 | A kind of substrate heating system for SLM and SLS 3D printings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721378894.3U CN207692083U (en) | 2017-10-24 | 2017-10-24 | A kind of substrate heating system for SLM and SLS 3D printings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207692083U true CN207692083U (en) | 2018-08-03 |
Family
ID=62989106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721378894.3U Active CN207692083U (en) | 2017-10-24 | 2017-10-24 | A kind of substrate heating system for SLM and SLS 3D printings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207692083U (en) |
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2017
- 2017-10-24 CN CN201721378894.3U patent/CN207692083U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A base plate heating system for SLM and SLS 3D print Effective date of registration: 20190618 Granted publication date: 20180803 Pledgee: Xi'an investment and financing Company limited by guarantee Pledgor: Shaanxi Hengtong Intelligent Machine Co., Ltd. Registration number: 2019610000124 |